media: usbvision: remove deprecated driver
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Tue, 1 Sep 2020 06:22:47 +0000 (08:22 +0200)
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Thu, 10 Sep 2020 12:06:27 +0000 (14:06 +0200)
To quote the TODO of this driver:

--------------------------------------------------------------
The driver is deprecated and scheduled for removal by the end
of 2020.

In order to prevent removal the following actions would have to
be taken:

- clean up the code
- convert to the vb2 framework
- fix the disconnect and free-on-last-user handling (i.e., add
  a release callback for struct v4l2_device and rework the code
  to use that correctly).
--------------------------------------------------------------

Nobody picked this up, so it's time to retire this driver.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
14 files changed:
Documentation/admin-guide/media/usb-cardlist.rst
Documentation/admin-guide/media/usbvision-cardlist.rst [deleted file]
MAINTAINERS
drivers/staging/media/Kconfig
drivers/staging/media/Makefile
drivers/staging/media/usbvision/Kconfig [deleted file]
drivers/staging/media/usbvision/Makefile [deleted file]
drivers/staging/media/usbvision/TODO [deleted file]
drivers/staging/media/usbvision/usbvision-cards.c [deleted file]
drivers/staging/media/usbvision/usbvision-cards.h [deleted file]
drivers/staging/media/usbvision/usbvision-core.c [deleted file]
drivers/staging/media/usbvision/usbvision-i2c.c [deleted file]
drivers/staging/media/usbvision/usbvision-video.c [deleted file]
drivers/staging/media/usbvision/usbvision.h [deleted file]

index 546fd40da4c3a0504c2795139c8fef86085d5318..1e96f928e0af2facbb3b1c853b67c082a45bc7f9 100644 (file)
@@ -112,7 +112,6 @@ zr364xx                 USB ZR364XX Camera
        em28xx-cardlist
        tm6000-cardlist
        siano-cardlist
-       usbvision-cardlist
 
        gspca-cardlist
 
diff --git a/Documentation/admin-guide/media/usbvision-cardlist.rst b/Documentation/admin-guide/media/usbvision-cardlist.rst
deleted file mode 100644 (file)
index 6aee115..0000000
+++ /dev/null
@@ -1,283 +0,0 @@
-.. SPDX-License-Identifier: GPL-2.0
-
-USBvision cards list
-====================
-
-.. tabularcolumns:: |p{1.4cm}|p{11.1cm}|p{4.2cm}|
-
-.. flat-table::
-   :header-rows: 1
-   :widths: 2 19 18
-   :stub-columns: 0
-
-   * - Card number
-     - Card name
-     - USB IDs
-
-   * - 0
-     - Xanboo
-     - 0a6f:0400
-
-   * - 1
-     - Belkin USB VideoBus II Adapter
-     - 050d:0106
-
-   * - 2
-     - Belkin Components USB VideoBus
-     - 050d:0207
-
-   * - 3
-     - Belkin USB VideoBus II
-     - 050d:0208
-
-   * - 4
-     - echoFX InterView Lite
-     - 0571:0002
-
-   * - 5
-     - USBGear USBG-V1 resp. HAMA USB
-     - 0573:0003
-
-   * - 6
-     - D-Link V100
-     - 0573:0400
-
-   * - 7
-     - X10 USB Camera
-     - 0573:2000
-
-   * - 8
-     - Hauppauge WinTV USB Live (PAL B/G)
-     - 0573:2d00
-
-   * - 9
-     - Hauppauge WinTV USB Live Pro (NTSC M/N)
-     - 0573:2d01
-
-   * - 10
-     - Zoran Co. PMD (Nogatech) AV-grabber Manhattan
-     - 0573:2101
-
-   * - 11
-     - Nogatech USB-TV (NTSC) FM
-     - 0573:4100
-
-   * - 12
-     - PNY USB-TV (NTSC) FM
-     - 0573:4110
-
-   * - 13
-     - PixelView PlayTv-USB PRO (PAL) FM
-     - 0573:4450
-
-   * - 14
-     - ZTV ZT-721 2.4GHz USB A/V Receiver
-     - 0573:4550
-
-   * - 15
-     - Hauppauge WinTV USB (NTSC M/N)
-     - 0573:4d00
-
-   * - 16
-     - Hauppauge WinTV USB (PAL B/G)
-     - 0573:4d01
-
-   * - 17
-     - Hauppauge WinTV USB (PAL I)
-     - 0573:4d02
-
-   * - 18
-     - Hauppauge WinTV USB (PAL/SECAM L)
-     - 0573:4d03
-
-   * - 19
-     - Hauppauge WinTV USB (PAL D/K)
-     - 0573:4d04
-
-   * - 20
-     - Hauppauge WinTV USB (NTSC FM)
-     - 0573:4d10
-
-   * - 21
-     - Hauppauge WinTV USB (PAL B/G FM)
-     - 0573:4d11
-
-   * - 22
-     - Hauppauge WinTV USB (PAL I FM)
-     - 0573:4d12
-
-   * - 23
-     - Hauppauge WinTV USB (PAL D/K FM)
-     - 0573:4d14
-
-   * - 24
-     - Hauppauge WinTV USB Pro (NTSC M/N)
-     - 0573:4d2a
-
-   * - 25
-     - Hauppauge WinTV USB Pro (NTSC M/N) V2
-     - 0573:4d2b
-
-   * - 26
-     - Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L)
-     - 0573:4d2c
-
-   * - 27
-     - Hauppauge WinTV USB Pro (NTSC M/N) V3
-     - 0573:4d20
-
-   * - 28
-     - Hauppauge WinTV USB Pro (PAL B/G)
-     - 0573:4d21
-
-   * - 29
-     - Hauppauge WinTV USB Pro (PAL I)
-     - 0573:4d22
-
-   * - 30
-     - Hauppauge WinTV USB Pro (PAL/SECAM L)
-     - 0573:4d23
-
-   * - 31
-     - Hauppauge WinTV USB Pro (PAL D/K)
-     - 0573:4d24
-
-   * - 32
-     - Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L)
-     - 0573:4d25
-
-   * - 33
-     - Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L) V2
-     - 0573:4d26
-
-   * - 34
-     - Hauppauge WinTV USB Pro (PAL B/G) V2
-     - 0573:4d27
-
-   * - 35
-     - Hauppauge WinTV USB Pro (PAL B/G,D/K)
-     - 0573:4d28
-
-   * - 36
-     - Hauppauge WinTV USB Pro (PAL I,D/K)
-     - 0573:4d29
-
-   * - 37
-     - Hauppauge WinTV USB Pro (NTSC M/N FM)
-     - 0573:4d30
-
-   * - 38
-     - Hauppauge WinTV USB Pro (PAL B/G FM)
-     - 0573:4d31
-
-   * - 39
-     - Hauppauge WinTV USB Pro (PAL I FM)
-     - 0573:4d32
-
-   * - 40
-     - Hauppauge WinTV USB Pro (PAL D/K FM)
-     - 0573:4d34
-
-   * - 41
-     - Hauppauge WinTV USB Pro (Temic PAL/SECAM B/G/I/D/K/L FM)
-     - 0573:4d35
-
-   * - 42
-     - Hauppauge WinTV USB Pro (Temic PAL B/G FM)
-     - 0573:4d36
-
-   * - 43
-     - Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L FM)
-     - 0573:4d37
-
-   * - 44
-     - Hauppauge WinTV USB Pro (NTSC M/N FM) V2
-     - 0573:4d38
-
-   * - 45
-     - Camtel Technology USB TV Genie Pro FM Model TVB330
-     - 0768:0006
-
-   * - 46
-     - Digital Video Creator I
-     - 07d0:0001
-
-   * - 47
-     - Global Village GV-007 (NTSC)
-     - 07d0:0002
-
-   * - 48
-     - Dazzle Fusion Model DVC-50 Rev 1 (NTSC)
-     - 07d0:0003
-
-   * - 49
-     - Dazzle Fusion Model DVC-80 Rev 1 (PAL)
-     - 07d0:0004
-
-   * - 50
-     - Dazzle Fusion Model DVC-90 Rev 1 (SECAM)
-     - 07d0:0005
-
-   * - 51
-     - Eskape Labs MyTV2Go
-     - 07f8:9104
-
-   * - 52
-     - Pinnacle Studio PCTV USB (PAL)
-     - 2304:010d
-
-   * - 53
-     - Pinnacle Studio PCTV USB (SECAM)
-     - 2304:0109
-
-   * - 54
-     - Pinnacle Studio PCTV USB (PAL) FM
-     - 2304:0110
-
-   * - 55
-     - Miro PCTV USB
-     - 2304:0111
-
-   * - 56
-     - Pinnacle Studio PCTV USB (NTSC) FM
-     - 2304:0112
-
-   * - 57
-     - Pinnacle Studio PCTV USB (PAL) FM V2
-     - 2304:0210
-
-   * - 58
-     - Pinnacle Studio PCTV USB (NTSC) FM V2
-     - 2304:0212
-
-   * - 59
-     - Pinnacle Studio PCTV USB (PAL) FM V3
-     - 2304:0214
-
-   * - 60
-     - Pinnacle Studio Linx Video input cable (NTSC)
-     - 2304:0300
-
-   * - 61
-     - Pinnacle Studio Linx Video input cable (PAL)
-     - 2304:0301
-
-   * - 62
-     - Pinnacle PCTV Bungee USB (PAL) FM
-     - 2304:0419
-
-   * - 63
-     - Hauppauge WinTv-USB
-     - 2400:4200
-
-   * - 64
-     - Pinnacle Studio PCTV USB (NTSC) FM V3
-     - 2304:0113
-
-   * - 65
-     - Nogatech USB MicroCam NTSC (NV3000N)
-     - 0573:3000
-
-   * - 66
-     - Nogatech USB MicroCam PAL (NV3001P)
-     - 0573:3001
index 6ac3b993cb8641dd08a01243659898ec1b168497..4e68598c16facea90c6d6860ab0538951f80747e 100644 (file)
@@ -18116,14 +18116,6 @@ T:     git git://linuxtv.org/media_tree.git
 F:     drivers/media/usb/uvc/
 F:     include/uapi/linux/uvcvideo.h
 
-USB VISION DRIVER
-M:     Hans Verkuil <hverkuil@xs4all.nl>
-L:     linux-media@vger.kernel.org
-S:     Odd Fixes
-W:     https://linuxtv.org
-T:     git git://linuxtv.org/media_tree.git
-F:     drivers/staging/media/usbvision/
-
 USB WEBCAM GADGET
 M:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 L:     linux-usb@vger.kernel.org
index 71d077762698cffe3a14292bd18b51f4acd63a4c..5d33d5d9881eaefb1e6807c4704c1b6693bb3de2 100644 (file)
@@ -46,8 +46,4 @@ source "drivers/staging/media/phy-rockchip-dphy-rx0/Kconfig"
 
 source "drivers/staging/media/rkisp1/Kconfig"
 
-if MEDIA_ANALOG_TV_SUPPORT
-source "drivers/staging/media/usbvision/Kconfig"
-endif
-
 endif
index 17ececa1e095f767e2858725593be90f6a4fe196..25910221b100e2f810cce076433f6b0505c911b1 100644 (file)
@@ -12,4 +12,3 @@ obj-$(CONFIG_VIDEO_HANTRO)    += hantro/
 obj-$(CONFIG_VIDEO_IPU3_IMGU)  += ipu3/
 obj-$(CONFIG_PHY_ROCKCHIP_DPHY_RX0)    += phy-rockchip-dphy-rx0/
 obj-$(CONFIG_VIDEO_ROCKCHIP_ISP1)      += rkisp1/
-obj-$(CONFIG_VIDEO_USBVISION)  += usbvision/
diff --git a/drivers/staging/media/usbvision/Kconfig b/drivers/staging/media/usbvision/Kconfig
deleted file mode 100644 (file)
index 1c7da2a..0000000
+++ /dev/null
@@ -1,18 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-config VIDEO_USBVISION
-       tristate "USB video devices based on Nogatech NT1003/1004/1005 (Deprecated)"
-       depends on MEDIA_USB_SUPPORT && I2C && VIDEO_V4L2 && USB
-       select VIDEO_TUNER
-       select VIDEO_SAA711X if MEDIA_SUBDRV_AUTOSELECT
-       help
-         There are more than 50 different USB video devices based on
-         NT1003/1004/1005 USB Bridges. This driver enables using those
-         devices.
-
-         This driver is deprecated and scheduled for removal by the
-         end of 2020. See the TODO file in drivers/staging/media/usbvision
-         for a list of actions that have to be done in order to prevent
-         removal of this driver.
-
-         To compile this driver as a module, choose M here: the
-         module will be called usbvision.
diff --git a/drivers/staging/media/usbvision/Makefile b/drivers/staging/media/usbvision/Makefile
deleted file mode 100644 (file)
index 4d8541b..0000000
+++ /dev/null
@@ -1,4 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-usbvision-objs  := usbvision-core.o usbvision-video.o usbvision-i2c.o usbvision-cards.o
-
-obj-$(CONFIG_VIDEO_USBVISION) += usbvision.o
diff --git a/drivers/staging/media/usbvision/TODO b/drivers/staging/media/usbvision/TODO
deleted file mode 100644 (file)
index e9fb4d1..0000000
+++ /dev/null
@@ -1,11 +0,0 @@
-The driver is deprecated and scheduled for removal by the end
-of 2020.
-
-In order to prevent removal the following actions would have to
-be taken:
-
-- clean up the code
-- convert to the vb2 framework
-- fix the disconnect and free-on-last-user handling (i.e., add
-  a release callback for struct v4l2_device and rework the code
-  to use that correctly).
diff --git a/drivers/staging/media/usbvision/usbvision-cards.c b/drivers/staging/media/usbvision/usbvision-cards.c
deleted file mode 100644 (file)
index 5e0cbbf..0000000
+++ /dev/null
@@ -1,1120 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- *  usbvision-cards.c
- *  usbvision cards definition file
- *
- * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
- *
- * This module is part of usbvision driver project.
- * Updates to driver completed by Dwaine P. Garden
- */
-
-
-#include <linux/list.h>
-#include <linux/module.h>
-#include <media/v4l2-dev.h>
-#include <media/tuner.h>
-#include "usbvision.h"
-#include "usbvision-cards.h"
-
-/* Supported Devices: A table for usbvision.c*/
-struct usbvision_device_data_st  usbvision_device_data[] = {
-       [XANBOO] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 4,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Xanboo",
-       },
-       [BELKIN_VIDEOBUS_II] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Belkin USB VideoBus II Adapter",
-       },
-       [BELKIN_VIDEOBUS] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Belkin Components USB VideoBus",
-       },
-       [BELKIN_USB_VIDEOBUS_II] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Belkin USB VideoBus II",
-       },
-       [ECHOFX_INTERVIEW_LITE] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "echoFX InterView Lite",
-       },
-       [USBGEAR_USBG_V1] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "USBGear USBG-V1 resp. HAMA USB",
-       },
-       [D_LINK_V100] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 4,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "D-Link V100",
-       },
-       [X10_USB_CAMERA] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "X10 USB Camera",
-       },
-       [HPG_WINTV_LIVE_PAL_BG] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = -1,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Live (PAL B/G)",
-       },
-       [HPG_WINTV_LIVE_PRO_NTSC_MN] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Live Pro (NTSC M/N)",
-       },
-       [ZORAN_PMD_NOGATECH] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 2,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Zoran Co. PMD (Nogatech) AV-grabber Manhattan",
-       },
-       [NOGATECH_USB_TV_NTSC_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = 20,
-               .model_string   = "Nogatech USB-TV (NTSC) FM",
-       },
-       [PNY_USB_TV_NTSC_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = 20,
-               .model_string   = "PNY USB-TV (NTSC) FM",
-       },
-       [PV_PLAYTV_USB_PRO_PAL_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "PixelView PlayTv-USB PRO (PAL) FM",
-       },
-       [ZT_721] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "ZTV ZT-721 2.4GHz USB A/V Receiver",
-       },
-       [HPG_WINTV_NTSC_MN] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = 20,
-               .model_string   = "Hauppauge WinTV USB (NTSC M/N)",
-       },
-       [HPG_WINTV_PAL_BG] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (PAL B/G)",
-       },
-       [HPG_WINTV_PAL_I] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (PAL I)",
-       },
-       [HPG_WINTV_PAL_SECAM_L] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_SECAM,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_SECAM,
-               .x_offset       = 0x80,
-               .y_offset       = 0x16,
-               .model_string   = "Hauppauge WinTV USB (PAL/SECAM L)",
-       },
-       [HPG_WINTV_PAL_D_K] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (PAL D/K)",
-       },
-       [HPG_WINTV_NTSC_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (NTSC FM)",
-       },
-       [HPG_WINTV_PAL_BG_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (PAL B/G FM)",
-       },
-       [HPG_WINTV_PAL_I_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (PAL I FM)",
-       },
-       [HPG_WINTV_PAL_D_K_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTV USB (PAL D/K FM)",
-       },
-       [HPG_WINTV_PRO_NTSC_MN] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_MICROTUNE_4049FM5,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (NTSC M/N)",
-       },
-       [HPG_WINTV_PRO_NTSC_MN_V2] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_MICROTUNE_4049FM5,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (NTSC M/N) V2",
-       },
-       [HPG_WINTV_PRO_PAL] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_FM1216ME_MK3,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L)",
-       },
-       [HPG_WINTV_PRO_NTSC_MN_V3] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (NTSC M/N) V3",
-       },
-       [HPG_WINTV_PRO_PAL_BG] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL B/G)",
-       },
-       [HPG_WINTV_PRO_PAL_I] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL I)",
-       },
-       [HPG_WINTV_PRO_PAL_SECAM_L] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_SECAM,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_SECAM,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL/SECAM L)",
-       },
-       [HPG_WINTV_PRO_PAL_D_K] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL D/K)",
-       },
-       [HPG_WINTV_PRO_PAL_SECAM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_SECAM,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_SECAM,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L)",
-       },
-       [HPG_WINTV_PRO_PAL_SECAM_V2] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_SECAM,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_SECAM,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L) V2",
-       },
-       [HPG_WINTV_PRO_PAL_BG_V2] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_ALPS_TSBE1_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL B/G) V2",
-       },
-       [HPG_WINTV_PRO_PAL_BG_D_K] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_ALPS_TSBE1_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL B/G,D/K)",
-       },
-       [HPG_WINTV_PRO_PAL_I_D_K] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_LG_PAL_NEW_TAPC,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL I,D/K)",
-       },
-       [HPG_WINTV_PRO_NTSC_MN_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (NTSC M/N FM)",
-       },
-       [HPG_WINTV_PRO_PAL_BG_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL B/G FM)",
-       },
-       [HPG_WINTV_PRO_PAL_I_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL I FM)",
-       },
-       [HPG_WINTV_PRO_PAL_D_K_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL D/K FM)",
-       },
-       [HPG_WINTV_PRO_TEMIC_PAL_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_MICROTUNE_4049FM5,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (Temic PAL/SECAM B/G/I/D/K/L FM)",
-       },
-       [HPG_WINTV_PRO_TEMIC_PAL_BG_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_MICROTUNE_4049FM5,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (Temic PAL B/G FM)",
-       },
-       [HPG_WINTV_PRO_PAL_FM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_FM1216ME_MK3,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L FM)",
-       },
-       [HPG_WINTV_PRO_NTSC_MN_FM_V2] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Hauppauge WinTV USB Pro (NTSC M/N FM) V2",
-       },
-       [CAMTEL_TVB330] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = 5,
-               .y_offset       = 5,
-               .model_string   = "Camtel Technology USB TV Genie Pro FM Model TVB330",
-       },
-       [DIGITAL_VIDEO_CREATOR_I] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Digital Video Creator I",
-       },
-       [GLOBAL_VILLAGE_GV_007_NTSC] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 82,
-               .y_offset       = 20,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Global Village GV-007 (NTSC)",
-       },
-       [DAZZLE_DVC_50_REV_1_NTSC] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Dazzle Fusion Model DVC-50 Rev 1 (NTSC)",
-       },
-       [DAZZLE_DVC_80_REV_1_PAL] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Dazzle Fusion Model DVC-80 Rev 1 (PAL)",
-       },
-       [DAZZLE_DVC_90_REV_1_SECAM] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_SECAM,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Dazzle Fusion Model DVC-90 Rev 1 (SECAM)",
-       },
-       [ESKAPE_LABS_MYTV2GO] = {
-               .interface      = 0,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_FM1216ME_MK3,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Eskape Labs MyTV2Go",
-       },
-       [PINNA_PCTV_USB_PAL] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 0,
-               .tuner          = 1,
-               .tuner_type     = TUNER_TEMIC_4066FY5_PAL_I,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Pinnacle Studio PCTV USB (PAL)",
-       },
-       [PINNA_PCTV_USB_SECAM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_SECAM,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_SECAM,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Pinnacle Studio PCTV USB (SECAM)",
-       },
-       [PINNA_PCTV_USB_PAL_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = 128,
-               .y_offset       = 23,
-               .model_string   = "Pinnacle Studio PCTV USB (PAL) FM",
-       },
-       [MIRO_PCTV_USB] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_PAL,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Miro PCTV USB",
-       },
-       [PINNA_PCTV_USB_NTSC_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Pinnacle Studio PCTV USB (NTSC) FM",
-       },
-       [PINNA_PCTV_USB_NTSC_FM_V3] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Pinnacle Studio PCTV USB (NTSC) FM V3",
-       },
-       [PINNA_PCTV_USB_PAL_FM_V2] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_TEMIC_4009FR5_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Pinnacle Studio PCTV USB (PAL) FM V2",
-       },
-       [PINNA_PCTV_USB_NTSC_FM_V2] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_TEMIC_4039FR5_NTSC,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Pinnacle Studio PCTV USB (NTSC) FM V2",
-       },
-       [PINNA_PCTV_USB_PAL_FM_V3] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_TEMIC_4009FR5_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Pinnacle Studio PCTV USB (PAL) FM V3",
-       },
-       [PINNA_LINX_VD_IN_CAB_NTSC] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Pinnacle Studio Linx Video input cable (NTSC)",
-       },
-       [PINNA_LINX_VD_IN_CAB_PAL] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 2,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Pinnacle Studio Linx Video input cable (PAL)",
-       },
-       [PINNA_PCTV_BUNGEE_PAL_FM] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7113,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 1,
-               .radio          = 1,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_TEMIC_4009FR5_PAL,
-               .x_offset       = 0,
-               .y_offset       = 3,
-               .dvi_yuv_override = 1,
-               .dvi_yuv        = 7,
-               .model_string   = "Pinnacle PCTV Bungee USB (PAL) FM",
-       },
-       [HPG_WINTV] = {
-               .interface      = -1,
-               .codec          = CODEC_SAA7111,
-               .video_channels = 3,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 1,
-               .radio          = 0,
-               .vbi            = 1,
-               .tuner          = 1,
-               .tuner_type     = TUNER_PHILIPS_NTSC_M,
-               .x_offset       = -1,
-               .y_offset       = -1,
-               .model_string   = "Hauppauge WinTv-USB",
-       },
-       [MICROCAM_NTSC] = {
-               .interface      = -1,
-               .codec          = CODEC_WEBCAM,
-               .video_channels = 1,
-               .video_norm     = V4L2_STD_NTSC,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 0,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 71,
-               .y_offset       = 15,
-               .model_string   = "Nogatech USB MicroCam NTSC (NV3000N)",
-       },
-       [MICROCAM_PAL] = {
-               .interface      = -1,
-               .codec          = CODEC_WEBCAM,
-               .video_channels = 1,
-               .video_norm     = V4L2_STD_PAL,
-               .audio_channels = 0,
-               .radio          = 0,
-               .vbi            = 0,
-               .tuner          = 0,
-               .tuner_type     = 0,
-               .x_offset       = 71,
-               .y_offset       = 18,
-               .model_string   = "Nogatech USB MicroCam PAL (NV3001P)",
-       },
-};
-const int usbvision_device_data_size = ARRAY_SIZE(usbvision_device_data);
-
-/* Supported Devices */
-
-struct usb_device_id usbvision_table[] = {
-       { USB_DEVICE(0x0a6f, 0x0400), .driver_info = XANBOO },
-       { USB_DEVICE(0x050d, 0x0106), .driver_info = BELKIN_VIDEOBUS_II },
-       { USB_DEVICE(0x050d, 0x0207), .driver_info = BELKIN_VIDEOBUS },
-       { USB_DEVICE(0x050d, 0x0208), .driver_info = BELKIN_USB_VIDEOBUS_II },
-       { USB_DEVICE(0x0571, 0x0002), .driver_info = ECHOFX_INTERVIEW_LITE },
-       { USB_DEVICE(0x0573, 0x0003), .driver_info = USBGEAR_USBG_V1 },
-       { USB_DEVICE(0x0573, 0x0400), .driver_info = D_LINK_V100 },
-       { USB_DEVICE(0x0573, 0x2000), .driver_info = X10_USB_CAMERA },
-       { USB_DEVICE(0x0573, 0x2d00), .driver_info = HPG_WINTV_LIVE_PAL_BG },
-       { USB_DEVICE(0x0573, 0x2d01), .driver_info = HPG_WINTV_LIVE_PRO_NTSC_MN },
-       { USB_DEVICE(0x0573, 0x2101), .driver_info = ZORAN_PMD_NOGATECH },
-       { USB_DEVICE(0x0573, 0x3000), .driver_info = MICROCAM_NTSC },
-       { USB_DEVICE(0x0573, 0x3001), .driver_info = MICROCAM_PAL },
-       { USB_DEVICE(0x0573, 0x4100), .driver_info = NOGATECH_USB_TV_NTSC_FM },
-       { USB_DEVICE(0x0573, 0x4110), .driver_info = PNY_USB_TV_NTSC_FM },
-       { USB_DEVICE(0x0573, 0x4450), .driver_info = PV_PLAYTV_USB_PRO_PAL_FM },
-       { USB_DEVICE(0x0573, 0x4550), .driver_info = ZT_721 },
-       { USB_DEVICE(0x0573, 0x4d00), .driver_info = HPG_WINTV_NTSC_MN },
-       { USB_DEVICE(0x0573, 0x4d01), .driver_info = HPG_WINTV_PAL_BG },
-       { USB_DEVICE(0x0573, 0x4d02), .driver_info = HPG_WINTV_PAL_I },
-       { USB_DEVICE(0x0573, 0x4d03), .driver_info = HPG_WINTV_PAL_SECAM_L },
-       { USB_DEVICE(0x0573, 0x4d04), .driver_info = HPG_WINTV_PAL_D_K },
-       { USB_DEVICE(0x0573, 0x4d10), .driver_info = HPG_WINTV_NTSC_FM },
-       { USB_DEVICE(0x0573, 0x4d11), .driver_info = HPG_WINTV_PAL_BG_FM },
-       { USB_DEVICE(0x0573, 0x4d12), .driver_info = HPG_WINTV_PAL_I_FM },
-       { USB_DEVICE(0x0573, 0x4d14), .driver_info = HPG_WINTV_PAL_D_K_FM },
-       { USB_DEVICE(0x0573, 0x4d2a), .driver_info = HPG_WINTV_PRO_NTSC_MN },
-       { USB_DEVICE(0x0573, 0x4d2b), .driver_info = HPG_WINTV_PRO_NTSC_MN_V2 },
-       { USB_DEVICE(0x0573, 0x4d2c), .driver_info = HPG_WINTV_PRO_PAL },
-       { USB_DEVICE(0x0573, 0x4d20), .driver_info = HPG_WINTV_PRO_NTSC_MN_V3 },
-       { USB_DEVICE(0x0573, 0x4d21), .driver_info = HPG_WINTV_PRO_PAL_BG },
-       { USB_DEVICE(0x0573, 0x4d22), .driver_info = HPG_WINTV_PRO_PAL_I },
-       { USB_DEVICE(0x0573, 0x4d23), .driver_info = HPG_WINTV_PRO_PAL_SECAM_L },
-       { USB_DEVICE(0x0573, 0x4d24), .driver_info = HPG_WINTV_PRO_PAL_D_K },
-       { USB_DEVICE(0x0573, 0x4d25), .driver_info = HPG_WINTV_PRO_PAL_SECAM },
-       { USB_DEVICE(0x0573, 0x4d26), .driver_info = HPG_WINTV_PRO_PAL_SECAM_V2 },
-       { USB_DEVICE(0x0573, 0x4d27), .driver_info = HPG_WINTV_PRO_PAL_BG_V2 },
-       { USB_DEVICE(0x0573, 0x4d28), .driver_info = HPG_WINTV_PRO_PAL_BG_D_K },
-       { USB_DEVICE(0x0573, 0x4d29), .driver_info = HPG_WINTV_PRO_PAL_I_D_K },
-       { USB_DEVICE(0x0573, 0x4d30), .driver_info = HPG_WINTV_PRO_NTSC_MN_FM },
-       { USB_DEVICE(0x0573, 0x4d31), .driver_info = HPG_WINTV_PRO_PAL_BG_FM },
-       { USB_DEVICE(0x0573, 0x4d32), .driver_info = HPG_WINTV_PRO_PAL_I_FM },
-       { USB_DEVICE(0x0573, 0x4d34), .driver_info = HPG_WINTV_PRO_PAL_D_K_FM },
-       { USB_DEVICE(0x0573, 0x4d35), .driver_info = HPG_WINTV_PRO_TEMIC_PAL_FM },
-       { USB_DEVICE(0x0573, 0x4d36), .driver_info = HPG_WINTV_PRO_TEMIC_PAL_BG_FM },
-       { USB_DEVICE(0x0573, 0x4d37), .driver_info = HPG_WINTV_PRO_PAL_FM },
-       { USB_DEVICE(0x0573, 0x4d38), .driver_info = HPG_WINTV_PRO_NTSC_MN_FM_V2 },
-       { USB_DEVICE(0x0768, 0x0006), .driver_info = CAMTEL_TVB330 },
-       { USB_DEVICE(0x07d0, 0x0001), .driver_info = DIGITAL_VIDEO_CREATOR_I },
-       { USB_DEVICE(0x07d0, 0x0002), .driver_info = GLOBAL_VILLAGE_GV_007_NTSC },
-       { USB_DEVICE(0x07d0, 0x0003), .driver_info = DAZZLE_DVC_50_REV_1_NTSC },
-       { USB_DEVICE(0x07d0, 0x0004), .driver_info = DAZZLE_DVC_80_REV_1_PAL },
-       { USB_DEVICE(0x07d0, 0x0005), .driver_info = DAZZLE_DVC_90_REV_1_SECAM },
-       { USB_DEVICE(0x07f8, 0x9104), .driver_info = ESKAPE_LABS_MYTV2GO },
-       { USB_DEVICE(0x2304, 0x010d), .driver_info = PINNA_PCTV_USB_PAL },
-       { USB_DEVICE(0x2304, 0x0109), .driver_info = PINNA_PCTV_USB_SECAM },
-       { USB_DEVICE(0x2304, 0x0110), .driver_info = PINNA_PCTV_USB_PAL_FM },
-       { USB_DEVICE(0x2304, 0x0111), .driver_info = MIRO_PCTV_USB },
-       { USB_DEVICE(0x2304, 0x0112), .driver_info = PINNA_PCTV_USB_NTSC_FM },
-       { USB_DEVICE(0x2304, 0x0113), .driver_info = PINNA_PCTV_USB_NTSC_FM_V3 },
-       { USB_DEVICE(0x2304, 0x0210), .driver_info = PINNA_PCTV_USB_PAL_FM_V2 },
-       { USB_DEVICE(0x2304, 0x0212), .driver_info = PINNA_PCTV_USB_NTSC_FM_V2 },
-       { USB_DEVICE(0x2304, 0x0214), .driver_info = PINNA_PCTV_USB_PAL_FM_V3 },
-       { USB_DEVICE(0x2304, 0x0300), .driver_info = PINNA_LINX_VD_IN_CAB_NTSC },
-       { USB_DEVICE(0x2304, 0x0301), .driver_info = PINNA_LINX_VD_IN_CAB_PAL },
-       { USB_DEVICE(0x2304, 0x0419), .driver_info = PINNA_PCTV_BUNGEE_PAL_FM },
-       { USB_DEVICE(0x2400, 0x4200), .driver_info = HPG_WINTV },
-       { },    /* terminate list */
-};
-
-MODULE_DEVICE_TABLE(usb, usbvision_table);
diff --git a/drivers/staging/media/usbvision/usbvision-cards.h b/drivers/staging/media/usbvision/usbvision-cards.h
deleted file mode 100644 (file)
index 07ec835..0000000
+++ /dev/null
@@ -1,70 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#define XANBOO                                   0
-#define BELKIN_VIDEOBUS_II                       1
-#define BELKIN_VIDEOBUS                          2
-#define BELKIN_USB_VIDEOBUS_II                   3
-#define ECHOFX_INTERVIEW_LITE                    4
-#define USBGEAR_USBG_V1                          5
-#define D_LINK_V100                              6
-#define X10_USB_CAMERA                           7
-#define HPG_WINTV_LIVE_PAL_BG                    8
-#define HPG_WINTV_LIVE_PRO_NTSC_MN               9
-#define ZORAN_PMD_NOGATECH                       10
-#define NOGATECH_USB_TV_NTSC_FM                  11
-#define PNY_USB_TV_NTSC_FM                       12
-#define PV_PLAYTV_USB_PRO_PAL_FM                 13
-#define ZT_721                                   14
-#define HPG_WINTV_NTSC_MN                        15
-#define HPG_WINTV_PAL_BG                         16
-#define HPG_WINTV_PAL_I                          17
-#define HPG_WINTV_PAL_SECAM_L                    18
-#define HPG_WINTV_PAL_D_K                        19
-#define HPG_WINTV_NTSC_FM                        20
-#define HPG_WINTV_PAL_BG_FM                      21
-#define HPG_WINTV_PAL_I_FM                       22
-#define HPG_WINTV_PAL_D_K_FM                     23
-#define HPG_WINTV_PRO_NTSC_MN                    24
-#define HPG_WINTV_PRO_NTSC_MN_V2                 25
-#define HPG_WINTV_PRO_PAL                        26
-#define HPG_WINTV_PRO_NTSC_MN_V3                 27
-#define HPG_WINTV_PRO_PAL_BG                     28
-#define HPG_WINTV_PRO_PAL_I                      29
-#define HPG_WINTV_PRO_PAL_SECAM_L                30
-#define HPG_WINTV_PRO_PAL_D_K                    31
-#define HPG_WINTV_PRO_PAL_SECAM                  32
-#define HPG_WINTV_PRO_PAL_SECAM_V2               33
-#define HPG_WINTV_PRO_PAL_BG_V2                  34
-#define HPG_WINTV_PRO_PAL_BG_D_K                 35
-#define HPG_WINTV_PRO_PAL_I_D_K                  36
-#define HPG_WINTV_PRO_NTSC_MN_FM                 37
-#define HPG_WINTV_PRO_PAL_BG_FM                  38
-#define HPG_WINTV_PRO_PAL_I_FM                   39
-#define HPG_WINTV_PRO_PAL_D_K_FM                 40
-#define HPG_WINTV_PRO_TEMIC_PAL_FM               41
-#define HPG_WINTV_PRO_TEMIC_PAL_BG_FM            42
-#define HPG_WINTV_PRO_PAL_FM                     43
-#define HPG_WINTV_PRO_NTSC_MN_FM_V2              44
-#define CAMTEL_TVB330                            45
-#define DIGITAL_VIDEO_CREATOR_I                  46
-#define GLOBAL_VILLAGE_GV_007_NTSC               47
-#define DAZZLE_DVC_50_REV_1_NTSC                 48
-#define DAZZLE_DVC_80_REV_1_PAL                  49
-#define DAZZLE_DVC_90_REV_1_SECAM                50
-#define ESKAPE_LABS_MYTV2GO                      51
-#define PINNA_PCTV_USB_PAL                       52
-#define PINNA_PCTV_USB_SECAM                     53
-#define PINNA_PCTV_USB_PAL_FM                    54
-#define MIRO_PCTV_USB                            55
-#define PINNA_PCTV_USB_NTSC_FM                   56
-#define PINNA_PCTV_USB_PAL_FM_V2                 57
-#define PINNA_PCTV_USB_NTSC_FM_V2                58
-#define PINNA_PCTV_USB_PAL_FM_V3                 59
-#define PINNA_LINX_VD_IN_CAB_NTSC                60
-#define PINNA_LINX_VD_IN_CAB_PAL                 61
-#define PINNA_PCTV_BUNGEE_PAL_FM                 62
-#define HPG_WINTV                                63
-#define PINNA_PCTV_USB_NTSC_FM_V3                64
-#define MICROCAM_NTSC                            65
-#define MICROCAM_PAL                             66
-
-extern const int usbvision_device_data_size;
diff --git a/drivers/staging/media/usbvision/usbvision-core.c b/drivers/staging/media/usbvision/usbvision-core.c
deleted file mode 100644 (file)
index e35dee3..0000000
+++ /dev/null
@@ -1,2428 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * usbvision-core.c - driver for NT100x USB video capture devices
- *
- * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
- *                         Dwaine Garden <dwainegarden@rogers.com>
- *
- * This module is part of usbvision driver project.
- * Updates to driver completed by Dwaine P. Garden
- */
-
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/gfp.h>
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/vmalloc.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/videodev2.h>
-#include <linux/i2c.h>
-
-#include <media/i2c/saa7115.h>
-#include <media/v4l2-common.h>
-#include <media/tuner.h>
-
-#include <linux/workqueue.h>
-
-#include "usbvision.h"
-
-static unsigned int core_debug;
-module_param(core_debug, int, 0644);
-MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
-
-static int adjust_compression = 1;     /* Set the compression to be adaptive */
-module_param(adjust_compression, int, 0444);
-MODULE_PARM_DESC(adjust_compression, " Set the ADPCM compression for the device.  Default: 1 (On)");
-
-/* To help people with Black and White output with using s-video input.
- * Some cables and input device are wired differently. */
-static int switch_svideo_input;
-module_param(switch_svideo_input, int, 0444);
-MODULE_PARM_DESC(switch_svideo_input, " Set the S-Video input.  Some cables and input device are wired differently. Default: 0 (Off)");
-
-static unsigned int adjust_x_offset = -1;
-module_param(adjust_x_offset, int, 0644);
-MODULE_PARM_DESC(adjust_x_offset, "adjust X offset display [core]");
-
-static unsigned int adjust_y_offset = -1;
-module_param(adjust_y_offset, int, 0644);
-MODULE_PARM_DESC(adjust_y_offset, "adjust Y offset display [core]");
-
-
-#define        ENABLE_HEXDUMP  0       /* Enable if you need it */
-
-
-#ifdef USBVISION_DEBUG
-       #define PDEBUG(level, fmt, args...) { \
-               if (core_debug & (level)) \
-                       printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \
-                               __func__, __LINE__ , ## args); \
-       }
-#else
-       #define PDEBUG(level, fmt, args...) do {} while (0)
-#endif
-
-#define DBG_HEADER     (1 << 0)
-#define DBG_IRQ                (1 << 1)
-#define DBG_ISOC       (1 << 2)
-#define DBG_PARSE      (1 << 3)
-#define DBG_SCRATCH    (1 << 4)
-#define DBG_FUNC       (1 << 5)
-
-/* The value of 'scratch_buf_size' affects quality of the picture
- * in many ways. Shorter buffers may cause loss of data when client
- * is too slow. Larger buffers are memory-consuming and take longer
- * to work with. This setting can be adjusted, but the default value
- * should be OK for most desktop users.
- */
-#define DEFAULT_SCRATCH_BUF_SIZE       (0x20000)               /* 128kB memory scratch buffer */
-static const int scratch_buf_size = DEFAULT_SCRATCH_BUF_SIZE;
-
-/* Function prototypes */
-static int usbvision_request_intra(struct usb_usbvision *usbvision);
-static int usbvision_unrequest_intra(struct usb_usbvision *usbvision);
-static int usbvision_adjust_compression(struct usb_usbvision *usbvision);
-static int usbvision_measure_bandwidth(struct usb_usbvision *usbvision);
-
-/*******************************/
-/* Memory management functions */
-/*******************************/
-
-/*
- * Here we want the physical address of the memory.
- * This is used when initializing the contents of the area.
- */
-
-static void *usbvision_rvmalloc(unsigned long size)
-{
-       void *mem;
-       unsigned long adr;
-
-       size = PAGE_ALIGN(size);
-       mem = vmalloc_32(size);
-       if (!mem)
-               return NULL;
-
-       memset(mem, 0, size); /* Clear the ram out, no junk to the user */
-       adr = (unsigned long) mem;
-       while (size > 0) {
-               SetPageReserved(vmalloc_to_page((void *)adr));
-               adr += PAGE_SIZE;
-               size -= PAGE_SIZE;
-       }
-
-       return mem;
-}
-
-static void usbvision_rvfree(void *mem, unsigned long size)
-{
-       unsigned long adr;
-
-       if (!mem)
-               return;
-
-       size = PAGE_ALIGN(size);
-
-       adr = (unsigned long) mem;
-       while ((long) size > 0) {
-               ClearPageReserved(vmalloc_to_page((void *)adr));
-               adr += PAGE_SIZE;
-               size -= PAGE_SIZE;
-       }
-
-       vfree(mem);
-}
-
-
-#if ENABLE_HEXDUMP
-static void usbvision_hexdump(const unsigned char *data, int len)
-{
-       char tmp[80];
-       int i, k;
-
-       for (i = k = 0; len > 0; i++, len--) {
-               if (i > 0 && (i % 16 == 0)) {
-                       printk("%s\n", tmp);
-                       k = 0;
-               }
-               k += sprintf(&tmp[k], "%02x ", data[i]);
-       }
-       if (k > 0)
-               printk(KERN_CONT "%s\n", tmp);
-}
-#endif
-
-/********************************
- * scratch ring buffer handling
- ********************************/
-static int scratch_len(struct usb_usbvision *usbvision)    /* This returns the amount of data actually in the buffer */
-{
-       int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr;
-
-       if (len < 0)
-               len += scratch_buf_size;
-       PDEBUG(DBG_SCRATCH, "scratch_len() = %d\n", len);
-
-       return len;
-}
-
-
-/* This returns the free space left in the buffer */
-static int scratch_free(struct usb_usbvision *usbvision)
-{
-       int free = usbvision->scratch_read_ptr - usbvision->scratch_write_ptr;
-       if (free <= 0)
-               free += scratch_buf_size;
-       if (free) {
-               free -= 1;                                                      /* at least one byte in the buffer must */
-                                                                               /* left blank, otherwise there is no chance to differ between full and empty */
-       }
-       PDEBUG(DBG_SCRATCH, "return %d\n", free);
-
-       return free;
-}
-
-
-/* This puts data into the buffer */
-static int scratch_put(struct usb_usbvision *usbvision, unsigned char *data,
-                      int len)
-{
-       int len_part;
-
-       if (usbvision->scratch_write_ptr + len < scratch_buf_size) {
-               memcpy(usbvision->scratch + usbvision->scratch_write_ptr, data, len);
-               usbvision->scratch_write_ptr += len;
-       } else {
-               len_part = scratch_buf_size - usbvision->scratch_write_ptr;
-               memcpy(usbvision->scratch + usbvision->scratch_write_ptr, data, len_part);
-               if (len == len_part) {
-                       usbvision->scratch_write_ptr = 0;                       /* just set write_ptr to zero */
-               } else {
-                       memcpy(usbvision->scratch, data + len_part, len - len_part);
-                       usbvision->scratch_write_ptr = len - len_part;
-               }
-       }
-
-       PDEBUG(DBG_SCRATCH, "len=%d, new write_ptr=%d\n", len, usbvision->scratch_write_ptr);
-
-       return len;
-}
-
-/* This marks the write_ptr as position of new frame header */
-static void scratch_mark_header(struct usb_usbvision *usbvision)
-{
-       PDEBUG(DBG_SCRATCH, "header at write_ptr=%d\n", usbvision->scratch_headermarker_write_ptr);
-
-       usbvision->scratch_headermarker[usbvision->scratch_headermarker_write_ptr] =
-                               usbvision->scratch_write_ptr;
-       usbvision->scratch_headermarker_write_ptr += 1;
-       usbvision->scratch_headermarker_write_ptr %= USBVISION_NUM_HEADERMARKER;
-}
-
-/* This gets data from the buffer at the given "ptr" position */
-static int scratch_get_extra(struct usb_usbvision *usbvision,
-                            unsigned char *data, int *ptr, int len)
-{
-       int len_part;
-
-       if (*ptr + len < scratch_buf_size) {
-               memcpy(data, usbvision->scratch + *ptr, len);
-               *ptr += len;
-       } else {
-               len_part = scratch_buf_size - *ptr;
-               memcpy(data, usbvision->scratch + *ptr, len_part);
-               if (len == len_part) {
-                       *ptr = 0;                                                       /* just set the y_ptr to zero */
-               } else {
-                       memcpy(data + len_part, usbvision->scratch, len - len_part);
-                       *ptr = len - len_part;
-               }
-       }
-
-       PDEBUG(DBG_SCRATCH, "len=%d, new ptr=%d\n", len, *ptr);
-
-       return len;
-}
-
-
-/* This sets the scratch extra read pointer */
-static void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr,
-                                 int len)
-{
-       *ptr = (usbvision->scratch_read_ptr + len) % scratch_buf_size;
-
-       PDEBUG(DBG_SCRATCH, "ptr=%d\n", *ptr);
-}
-
-
-/* This increments the scratch extra read pointer */
-static void scratch_inc_extra_ptr(int *ptr, int len)
-{
-       *ptr = (*ptr + len) % scratch_buf_size;
-
-       PDEBUG(DBG_SCRATCH, "ptr=%d\n", *ptr);
-}
-
-
-/* This gets data from the buffer */
-static int scratch_get(struct usb_usbvision *usbvision, unsigned char *data,
-                      int len)
-{
-       int len_part;
-
-       if (usbvision->scratch_read_ptr + len < scratch_buf_size) {
-               memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len);
-               usbvision->scratch_read_ptr += len;
-       } else {
-               len_part = scratch_buf_size - usbvision->scratch_read_ptr;
-               memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len_part);
-               if (len == len_part) {
-                       usbvision->scratch_read_ptr = 0;                                /* just set the read_ptr to zero */
-               } else {
-                       memcpy(data + len_part, usbvision->scratch, len - len_part);
-                       usbvision->scratch_read_ptr = len - len_part;
-               }
-       }
-
-       PDEBUG(DBG_SCRATCH, "len=%d, new read_ptr=%d\n", len, usbvision->scratch_read_ptr);
-
-       return len;
-}
-
-
-/* This sets read pointer to next header and returns it */
-static int scratch_get_header(struct usb_usbvision *usbvision,
-                             struct usbvision_frame_header *header)
-{
-       int err_code = 0;
-
-       PDEBUG(DBG_SCRATCH, "from read_ptr=%d", usbvision->scratch_headermarker_read_ptr);
-
-       while (usbvision->scratch_headermarker_write_ptr -
-               usbvision->scratch_headermarker_read_ptr != 0) {
-               usbvision->scratch_read_ptr =
-                       usbvision->scratch_headermarker[usbvision->scratch_headermarker_read_ptr];
-               usbvision->scratch_headermarker_read_ptr += 1;
-               usbvision->scratch_headermarker_read_ptr %= USBVISION_NUM_HEADERMARKER;
-               scratch_get(usbvision, (unsigned char *)header, USBVISION_HEADER_LENGTH);
-               if ((header->magic_1 == USBVISION_MAGIC_1)
-                        && (header->magic_2 == USBVISION_MAGIC_2)
-                        && (header->header_length == USBVISION_HEADER_LENGTH)) {
-                       err_code = USBVISION_HEADER_LENGTH;
-                       header->frame_width  = header->frame_width_lo  + (header->frame_width_hi << 8);
-                       header->frame_height = header->frame_height_lo + (header->frame_height_hi << 8);
-                       break;
-               }
-       }
-
-       return err_code;
-}
-
-
-/* This removes len bytes of old data from the buffer */
-static void scratch_rm_old(struct usb_usbvision *usbvision, int len)
-{
-       usbvision->scratch_read_ptr += len;
-       usbvision->scratch_read_ptr %= scratch_buf_size;
-       PDEBUG(DBG_SCRATCH, "read_ptr is now %d\n", usbvision->scratch_read_ptr);
-}
-
-
-/* This resets the buffer - kills all data in it too */
-static void scratch_reset(struct usb_usbvision *usbvision)
-{
-       PDEBUG(DBG_SCRATCH, "\n");
-
-       usbvision->scratch_read_ptr = 0;
-       usbvision->scratch_write_ptr = 0;
-       usbvision->scratch_headermarker_read_ptr = 0;
-       usbvision->scratch_headermarker_write_ptr = 0;
-       usbvision->isocstate = isoc_state_no_frame;
-}
-
-int usbvision_scratch_alloc(struct usb_usbvision *usbvision)
-{
-       usbvision->scratch = vmalloc_32(scratch_buf_size);
-       scratch_reset(usbvision);
-       if (usbvision->scratch == NULL) {
-               dev_err(&usbvision->dev->dev,
-                       "%s: unable to allocate %d bytes for scratch\n",
-                               __func__, scratch_buf_size);
-               return -ENOMEM;
-       }
-       return 0;
-}
-
-void usbvision_scratch_free(struct usb_usbvision *usbvision)
-{
-       vfree(usbvision->scratch);
-       usbvision->scratch = NULL;
-}
-
-/*
- * usbvision_decompress_alloc()
- *
- * allocates intermediate buffer for decompression
- */
-int usbvision_decompress_alloc(struct usb_usbvision *usbvision)
-{
-       int IFB_size = MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * 3 / 2;
-
-       usbvision->intra_frame_buffer = vmalloc_32(IFB_size);
-       if (usbvision->intra_frame_buffer == NULL) {
-               dev_err(&usbvision->dev->dev,
-                       "%s: unable to allocate %d for compr. frame buffer\n",
-                               __func__, IFB_size);
-               return -ENOMEM;
-       }
-       return 0;
-}
-
-/*
- * usbvision_decompress_free()
- *
- * frees intermediate buffer for decompression
- */
-void usbvision_decompress_free(struct usb_usbvision *usbvision)
-{
-       vfree(usbvision->intra_frame_buffer);
-       usbvision->intra_frame_buffer = NULL;
-
-}
-
-/************************************************************
- * Here comes the data parsing stuff that is run as interrupt
- ************************************************************/
-/*
- * usbvision_find_header()
- *
- * Locate one of supported header markers in the scratch buffer.
- */
-static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
-{
-       struct usbvision_frame *frame;
-       int found_header = 0;
-
-       frame = usbvision->cur_frame;
-
-       while (scratch_get_header(usbvision, &frame->isoc_header) == USBVISION_HEADER_LENGTH) {
-               /* found header in scratch */
-               PDEBUG(DBG_HEADER, "found header: 0x%02x%02x %d %d %d %d %#x 0x%02x %u %u",
-                               frame->isoc_header.magic_2,
-                               frame->isoc_header.magic_1,
-                               frame->isoc_header.header_length,
-                               frame->isoc_header.frame_num,
-                               frame->isoc_header.frame_phase,
-                               frame->isoc_header.frame_latency,
-                               frame->isoc_header.data_format,
-                               frame->isoc_header.format_param,
-                               frame->isoc_header.frame_width,
-                               frame->isoc_header.frame_height);
-
-               if (usbvision->request_intra) {
-                       if (frame->isoc_header.format_param & 0x80) {
-                               found_header = 1;
-                               usbvision->last_isoc_frame_num = -1; /* do not check for lost frames this time */
-                               usbvision_unrequest_intra(usbvision);
-                               break;
-                       }
-               } else {
-                       found_header = 1;
-                       break;
-               }
-       }
-
-       if (found_header) {
-               frame->frmwidth = frame->isoc_header.frame_width * usbvision->stretch_width;
-               frame->frmheight = frame->isoc_header.frame_height * usbvision->stretch_height;
-               frame->v4l2_linesize = (frame->frmwidth * frame->v4l2_format.depth) >> 3;
-       } else { /* no header found */
-               PDEBUG(DBG_HEADER, "skipping scratch data, no header");
-               scratch_reset(usbvision);
-               return parse_state_end_parse;
-       }
-
-       /* found header */
-       if (frame->isoc_header.data_format == ISOC_MODE_COMPRESS) {
-               /* check isoc_header.frame_num for lost frames */
-               if (usbvision->last_isoc_frame_num >= 0) {
-                       if (((usbvision->last_isoc_frame_num + 1) % 32) != frame->isoc_header.frame_num) {
-                               /* unexpected frame drop: need to request new intra frame */
-                               PDEBUG(DBG_HEADER, "Lost frame before %d on USB", frame->isoc_header.frame_num);
-                               usbvision_request_intra(usbvision);
-                               return parse_state_next_frame;
-                       }
-               }
-               usbvision->last_isoc_frame_num = frame->isoc_header.frame_num;
-       }
-       usbvision->header_count++;
-       frame->scanstate = scan_state_lines;
-       frame->curline = 0;
-
-       return parse_state_continue;
-}
-
-static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvision,
-                                          long *pcopylen)
-{
-       volatile struct usbvision_frame *frame;
-       unsigned char *f;
-       int len;
-       int i;
-       unsigned char yuyv[4] = { 180, 128, 10, 128 }; /* YUV components */
-       unsigned char rv, gv, bv;       /* RGB components */
-       int clipmask_index, bytes_per_pixel;
-       int stretch_bytes, clipmask_add;
-
-       frame  = usbvision->cur_frame;
-       f = frame->data + (frame->v4l2_linesize * frame->curline);
-
-       /* Make sure there's enough data for the entire line */
-       len = (frame->isoc_header.frame_width * 2) + 5;
-       if (scratch_len(usbvision) < len) {
-               PDEBUG(DBG_PARSE, "out of data in line %d, need %u.\n", frame->curline, len);
-               return parse_state_out;
-       }
-
-       if ((frame->curline + 1) >= frame->frmheight)
-               return parse_state_next_frame;
-
-       bytes_per_pixel = frame->v4l2_format.bytes_per_pixel;
-       stretch_bytes = (usbvision->stretch_width - 1) * bytes_per_pixel;
-       clipmask_index = frame->curline * MAX_FRAME_WIDTH;
-       clipmask_add = usbvision->stretch_width;
-
-       for (i = 0; i < frame->frmwidth; i += (2 * usbvision->stretch_width)) {
-               scratch_get(usbvision, &yuyv[0], 4);
-
-               if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                       *f++ = yuyv[0]; /* Y */
-                       *f++ = yuyv[3]; /* U */
-               } else {
-                       YUV_TO_RGB_BY_THE_BOOK(yuyv[0], yuyv[1], yuyv[3], rv, gv, bv);
-                       switch (frame->v4l2_format.format) {
-                       case V4L2_PIX_FMT_RGB565:
-                               *f++ = (0x1F & rv) |
-                                       (0xE0 & (gv << 5));
-                               *f++ = (0x07 & (gv >> 3)) |
-                                       (0xF8 &  bv);
-                               break;
-                       case V4L2_PIX_FMT_RGB24:
-                               *f++ = rv;
-                               *f++ = gv;
-                               *f++ = bv;
-                               break;
-                       case V4L2_PIX_FMT_RGB32:
-                               *f++ = rv;
-                               *f++ = gv;
-                               *f++ = bv;
-                               f++;
-                               break;
-                       case V4L2_PIX_FMT_RGB555:
-                               *f++ = (0x1F & rv) |
-                                       (0xE0 & (gv << 5));
-                               *f++ = (0x03 & (gv >> 3)) |
-                                       (0x7C & (bv << 2));
-                               break;
-                       }
-               }
-               clipmask_index += clipmask_add;
-               f += stretch_bytes;
-
-               if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                       *f++ = yuyv[2]; /* Y */
-                       *f++ = yuyv[1]; /* V */
-               } else {
-                       YUV_TO_RGB_BY_THE_BOOK(yuyv[2], yuyv[1], yuyv[3], rv, gv, bv);
-                       switch (frame->v4l2_format.format) {
-                       case V4L2_PIX_FMT_RGB565:
-                               *f++ = (0x1F & rv) |
-                                       (0xE0 & (gv << 5));
-                               *f++ = (0x07 & (gv >> 3)) |
-                                       (0xF8 &  bv);
-                               break;
-                       case V4L2_PIX_FMT_RGB24:
-                               *f++ = rv;
-                               *f++ = gv;
-                               *f++ = bv;
-                               break;
-                       case V4L2_PIX_FMT_RGB32:
-                               *f++ = rv;
-                               *f++ = gv;
-                               *f++ = bv;
-                               f++;
-                               break;
-                       case V4L2_PIX_FMT_RGB555:
-                               *f++ = (0x1F & rv) |
-                                       (0xE0 & (gv << 5));
-                               *f++ = (0x03 & (gv >> 3)) |
-                                       (0x7C & (bv << 2));
-                               break;
-                       }
-               }
-               clipmask_index += clipmask_add;
-               f += stretch_bytes;
-       }
-
-       frame->curline += usbvision->stretch_height;
-       *pcopylen += frame->v4l2_linesize * usbvision->stretch_height;
-
-       if (frame->curline >= frame->frmheight)
-               return parse_state_next_frame;
-       return parse_state_continue;
-}
-
-/* The decompression routine  */
-static int usbvision_decompress(struct usb_usbvision *usbvision, unsigned char *compressed,
-                                                               unsigned char *decompressed, int *start_pos,
-                                                               int *block_typestart_pos, int len)
-{
-       int rest_pixel, idx, pos, extra_pos, block_len, block_type_pos, block_type_len;
-       unsigned char block_byte, block_code, block_type, block_type_byte, integrator;
-
-       integrator = 0;
-       pos = *start_pos;
-       block_type_pos = *block_typestart_pos;
-       extra_pos = pos;
-       block_len = 0;
-       block_byte = 0;
-       block_code = 0;
-       block_type = 0;
-       block_type_byte = 0;
-       block_type_len = 0;
-       rest_pixel = len;
-
-       for (idx = 0; idx < len; idx++) {
-               if (block_len == 0) {
-                       if (block_type_len == 0) {
-                               block_type_byte = compressed[block_type_pos];
-                               block_type_pos++;
-                               block_type_len = 4;
-                       }
-                       block_type = (block_type_byte & 0xC0) >> 6;
-
-                       /* statistic: */
-                       usbvision->compr_block_types[block_type]++;
-
-                       pos = extra_pos;
-                       if (block_type == 0) {
-                               if (rest_pixel >= 24) {
-                                       idx += 23;
-                                       rest_pixel -= 24;
-                                       integrator = decompressed[idx];
-                               } else {
-                                       idx += rest_pixel - 1;
-                                       rest_pixel = 0;
-                               }
-                       } else {
-                               block_code = compressed[pos];
-                               pos++;
-                               if (rest_pixel >= 24)
-                                       block_len  = 24;
-                               else
-                                       block_len = rest_pixel;
-                               rest_pixel -= block_len;
-                               extra_pos = pos + (block_len / 4);
-                       }
-                       block_type_byte <<= 2;
-                       block_type_len -= 1;
-               }
-               if (block_len > 0) {
-                       if ((block_len % 4) == 0) {
-                               block_byte = compressed[pos];
-                               pos++;
-                       }
-                       if (block_type == 1) /* inter Block */
-                               integrator = decompressed[idx];
-                       switch (block_byte & 0xC0) {
-                       case 0x03 << 6:
-                               integrator += compressed[extra_pos];
-                               extra_pos++;
-                               break;
-                       case 0x02 << 6:
-                               integrator += block_code;
-                               break;
-                       case 0x00:
-                               integrator -= block_code;
-                               break;
-                       }
-                       decompressed[idx] = integrator;
-                       block_byte <<= 2;
-                       block_len -= 1;
-               }
-       }
-       *start_pos = extra_pos;
-       *block_typestart_pos = block_type_pos;
-       return idx;
-}
-
-
-/*
- * usbvision_parse_compress()
- *
- * Parse compressed frame from the scratch buffer, put
- * decoded RGB value into the current frame buffer and add the written
- * number of bytes (RGB) to the *pcopylen.
- *
- */
-static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision,
-                                          long *pcopylen)
-{
-#define USBVISION_STRIP_MAGIC          0x5A
-#define USBVISION_STRIP_LEN_MAX                400
-#define USBVISION_STRIP_HEADER_LEN     3
-
-       struct usbvision_frame *frame;
-       unsigned char *f, *u = NULL, *v = NULL;
-       unsigned char strip_data[USBVISION_STRIP_LEN_MAX];
-       unsigned char strip_header[USBVISION_STRIP_HEADER_LEN];
-       int idx, idx_end, strip_len, strip_ptr, startblock_pos, block_pos, block_type_pos;
-       int clipmask_index;
-       int image_size;
-       unsigned char rv, gv, bv;
-       static unsigned char *Y, *U, *V;
-
-       frame = usbvision->cur_frame;
-       image_size = frame->frmwidth * frame->frmheight;
-       if ((frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) ||
-           (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420)) {       /* this is a planar format */
-               /* ... v4l2_linesize not used here. */
-               f = frame->data + (frame->width * frame->curline);
-       } else
-               f = frame->data + (frame->v4l2_linesize * frame->curline);
-
-       if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { /* initialise u and v pointers */
-               /* get base of u and b planes add halfoffset */
-               u = frame->data
-                       + image_size
-                       + (frame->frmwidth >> 1) * frame->curline;
-               v = u + (image_size >> 1);
-       } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
-               v = frame->data + image_size + ((frame->curline * (frame->width)) >> 2);
-               u = v + (image_size >> 2);
-       }
-
-       if (frame->curline == 0)
-               usbvision_adjust_compression(usbvision);
-
-       if (scratch_len(usbvision) < USBVISION_STRIP_HEADER_LEN)
-               return parse_state_out;
-
-       /* get strip header without changing the scratch_read_ptr */
-       scratch_set_extra_ptr(usbvision, &strip_ptr, 0);
-       scratch_get_extra(usbvision, &strip_header[0], &strip_ptr,
-                               USBVISION_STRIP_HEADER_LEN);
-
-       if (strip_header[0] != USBVISION_STRIP_MAGIC) {
-               /* wrong strip magic */
-               usbvision->strip_magic_errors++;
-               return parse_state_next_frame;
-       }
-
-       if (frame->curline != (int)strip_header[2]) {
-               /* line number mismatch error */
-               usbvision->strip_line_number_errors++;
-       }
-
-       strip_len = 2 * (unsigned int)strip_header[1];
-       if (strip_len > USBVISION_STRIP_LEN_MAX) {
-               /* strip overrun */
-               /* I think this never happens */
-               usbvision_request_intra(usbvision);
-       }
-
-       if (scratch_len(usbvision) < strip_len) {
-               /* there is not enough data for the strip */
-               return parse_state_out;
-       }
-
-       if (usbvision->intra_frame_buffer) {
-               Y = usbvision->intra_frame_buffer + frame->frmwidth * frame->curline;
-               U = usbvision->intra_frame_buffer + image_size + (frame->frmwidth / 2) * (frame->curline / 2);
-               V = usbvision->intra_frame_buffer + image_size / 4 * 5 + (frame->frmwidth / 2) * (frame->curline / 2);
-       } else {
-               return parse_state_next_frame;
-       }
-
-       clipmask_index = frame->curline * MAX_FRAME_WIDTH;
-
-       scratch_get(usbvision, strip_data, strip_len);
-
-       idx_end = frame->frmwidth;
-       block_type_pos = USBVISION_STRIP_HEADER_LEN;
-       startblock_pos = block_type_pos + (idx_end - 1) / 96 + (idx_end / 2 - 1) / 96 + 2;
-       block_pos = startblock_pos;
-
-       usbvision->block_pos = block_pos;
-
-       usbvision_decompress(usbvision, strip_data, Y, &block_pos, &block_type_pos, idx_end);
-       if (strip_len > usbvision->max_strip_len)
-               usbvision->max_strip_len = strip_len;
-
-       if (frame->curline % 2)
-               usbvision_decompress(usbvision, strip_data, V, &block_pos, &block_type_pos, idx_end / 2);
-       else
-               usbvision_decompress(usbvision, strip_data, U, &block_pos, &block_type_pos, idx_end / 2);
-
-       if (block_pos > usbvision->comprblock_pos)
-               usbvision->comprblock_pos = block_pos;
-       if (block_pos > strip_len)
-               usbvision->strip_len_errors++;
-
-       for (idx = 0; idx < idx_end; idx++) {
-               if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                       *f++ = Y[idx];
-                       *f++ = idx & 0x01 ? U[idx / 2] : V[idx / 2];
-               } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) {
-                       *f++ = Y[idx];
-                       if (idx & 0x01)
-                               *u++ = U[idx >> 1];
-                       else
-                               *v++ = V[idx >> 1];
-               } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
-                       *f++ = Y[idx];
-                       if (!((idx & 0x01) | (frame->curline & 0x01))) {
-                               /* only need do this for 1 in 4 pixels */
-                               /* intraframe buffer is YUV420 format */
-                               *u++ = U[idx >> 1];
-                               *v++ = V[idx >> 1];
-                       }
-               } else {
-                       YUV_TO_RGB_BY_THE_BOOK(Y[idx], U[idx / 2], V[idx / 2], rv, gv, bv);
-                       switch (frame->v4l2_format.format) {
-                       case V4L2_PIX_FMT_GREY:
-                               *f++ = Y[idx];
-                               break;
-                       case V4L2_PIX_FMT_RGB555:
-                               *f++ = (0x1F & rv) |
-                                       (0xE0 & (gv << 5));
-                               *f++ = (0x03 & (gv >> 3)) |
-                                       (0x7C & (bv << 2));
-                               break;
-                       case V4L2_PIX_FMT_RGB565:
-                               *f++ = (0x1F & rv) |
-                                       (0xE0 & (gv << 5));
-                               *f++ = (0x07 & (gv >> 3)) |
-                                       (0xF8 & bv);
-                               break;
-                       case V4L2_PIX_FMT_RGB24:
-                               *f++ = rv;
-                               *f++ = gv;
-                               *f++ = bv;
-                               break;
-                       case V4L2_PIX_FMT_RGB32:
-                               *f++ = rv;
-                               *f++ = gv;
-                               *f++ = bv;
-                               f++;
-                               break;
-                       }
-               }
-               clipmask_index++;
-       }
-       /* Deal with non-integer no. of bytes for YUV420P */
-       if (frame->v4l2_format.format != V4L2_PIX_FMT_YVU420)
-               *pcopylen += frame->v4l2_linesize;
-       else
-               *pcopylen += frame->curline & 0x01 ? frame->v4l2_linesize : frame->v4l2_linesize << 1;
-
-       frame->curline += 1;
-
-       if (frame->curline >= frame->frmheight)
-               return parse_state_next_frame;
-       return parse_state_continue;
-
-}
-
-
-/*
- * usbvision_parse_lines_420()
- *
- * Parse two lines from the scratch buffer, put
- * decoded RGB value into the current frame buffer and add the written
- * number of bytes (RGB) to the *pcopylen.
- *
- */
-static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvision,
-                                          long *pcopylen)
-{
-       struct usbvision_frame *frame;
-       unsigned char *f_even = NULL, *f_odd = NULL;
-       unsigned int pixel_per_line, block;
-       int pixel, block_split;
-       int y_ptr, u_ptr, v_ptr, y_odd_offset;
-       const int y_block_size = 128;
-       const int uv_block_size = 64;
-       const int sub_block_size = 32;
-       const int y_step[] = { 0, 0, 0, 2 }, y_step_size = 4;
-       const int uv_step[] = { 0, 0, 0, 4 }, uv_step_size = 4;
-       unsigned char y[2], u, v;       /* YUV components */
-       int y_, u_, v_, vb, uvg, ur;
-       int r_, g_, b_;                 /* RGB components */
-       unsigned char g;
-       int clipmask_even_index, clipmask_odd_index, bytes_per_pixel;
-       int clipmask_add, stretch_bytes;
-
-       frame  = usbvision->cur_frame;
-       f_even = frame->data + (frame->v4l2_linesize * frame->curline);
-       f_odd  = f_even + frame->v4l2_linesize * usbvision->stretch_height;
-
-       /* Make sure there's enough data for the entire line */
-       /* In this mode usbvision transfer 3 bytes for every 2 pixels */
-       /* I need two lines to decode the color */
-       bytes_per_pixel = frame->v4l2_format.bytes_per_pixel;
-       stretch_bytes = (usbvision->stretch_width - 1) * bytes_per_pixel;
-       clipmask_even_index = frame->curline * MAX_FRAME_WIDTH;
-       clipmask_odd_index  = clipmask_even_index + MAX_FRAME_WIDTH;
-       clipmask_add = usbvision->stretch_width;
-       pixel_per_line = frame->isoc_header.frame_width;
-
-       if (scratch_len(usbvision) < (int)pixel_per_line * 3) {
-               /* printk(KERN_DEBUG "out of data, need %d\n", len); */
-               return parse_state_out;
-       }
-
-       if ((frame->curline + 1) >= frame->frmheight)
-               return parse_state_next_frame;
-
-       block_split = (pixel_per_line%y_block_size) ? 1 : 0;    /* are some blocks split into different lines? */
-
-       y_odd_offset = (pixel_per_line / y_block_size) * (y_block_size + uv_block_size)
-                       + block_split * uv_block_size;
-
-       scratch_set_extra_ptr(usbvision, &y_ptr, y_odd_offset);
-       scratch_set_extra_ptr(usbvision, &u_ptr, y_block_size);
-       scratch_set_extra_ptr(usbvision, &v_ptr, y_odd_offset
-                       + (4 - block_split) * sub_block_size);
-
-       for (block = 0; block < (pixel_per_line / sub_block_size); block++) {
-               for (pixel = 0; pixel < sub_block_size; pixel += 2) {
-                       scratch_get(usbvision, &y[0], 2);
-                       scratch_get_extra(usbvision, &u, &u_ptr, 1);
-                       scratch_get_extra(usbvision, &v, &v_ptr, 1);
-
-                       /* I don't use the YUV_TO_RGB macro for better performance */
-                       v_ = v - 128;
-                       u_ = u - 128;
-                       vb = 132252 * v_;
-                       uvg = -53281 * u_ - 25625 * v_;
-                       ur = 104595 * u_;
-
-                       if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                               *f_even++ = y[0];
-                               *f_even++ = v;
-                       } else {
-                               y_ = 76284 * (y[0] - 16);
-
-                               b_ = (y_ + vb) >> 16;
-                               g_ = (y_ + uvg) >> 16;
-                               r_ = (y_ + ur) >> 16;
-
-                               switch (frame->v4l2_format.format) {
-                               case V4L2_PIX_FMT_RGB565:
-                                       g = LIMIT_RGB(g_);
-                                       *f_even++ =
-                                               (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_even++ =
-                                               (0x07 & (g >> 3)) |
-                                               (0xF8 &  LIMIT_RGB(b_));
-                                       break;
-                               case V4L2_PIX_FMT_RGB24:
-                                       *f_even++ = LIMIT_RGB(r_);
-                                       *f_even++ = LIMIT_RGB(g_);
-                                       *f_even++ = LIMIT_RGB(b_);
-                                       break;
-                               case V4L2_PIX_FMT_RGB32:
-                                       *f_even++ = LIMIT_RGB(r_);
-                                       *f_even++ = LIMIT_RGB(g_);
-                                       *f_even++ = LIMIT_RGB(b_);
-                                       f_even++;
-                                       break;
-                               case V4L2_PIX_FMT_RGB555:
-                                       g = LIMIT_RGB(g_);
-                                       *f_even++ = (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_even++ = (0x03 & (g >> 3)) |
-                                               (0x7C & (LIMIT_RGB(b_) << 2));
-                                       break;
-                               }
-                       }
-                       clipmask_even_index += clipmask_add;
-                       f_even += stretch_bytes;
-
-                       if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                               *f_even++ = y[1];
-                               *f_even++ = u;
-                       } else {
-                               y_ = 76284 * (y[1] - 16);
-
-                               b_ = (y_ + vb) >> 16;
-                               g_ = (y_ + uvg) >> 16;
-                               r_ = (y_ + ur) >> 16;
-
-                               switch (frame->v4l2_format.format) {
-                               case V4L2_PIX_FMT_RGB565:
-                                       g = LIMIT_RGB(g_);
-                                       *f_even++ =
-                                               (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_even++ =
-                                               (0x07 & (g >> 3)) |
-                                               (0xF8 &  LIMIT_RGB(b_));
-                                       break;
-                               case V4L2_PIX_FMT_RGB24:
-                                       *f_even++ = LIMIT_RGB(r_);
-                                       *f_even++ = LIMIT_RGB(g_);
-                                       *f_even++ = LIMIT_RGB(b_);
-                                       break;
-                               case V4L2_PIX_FMT_RGB32:
-                                       *f_even++ = LIMIT_RGB(r_);
-                                       *f_even++ = LIMIT_RGB(g_);
-                                       *f_even++ = LIMIT_RGB(b_);
-                                       f_even++;
-                                       break;
-                               case V4L2_PIX_FMT_RGB555:
-                                       g = LIMIT_RGB(g_);
-                                       *f_even++ = (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_even++ = (0x03 & (g >> 3)) |
-                                               (0x7C & (LIMIT_RGB(b_) << 2));
-                                       break;
-                               }
-                       }
-                       clipmask_even_index += clipmask_add;
-                       f_even += stretch_bytes;
-
-                       scratch_get_extra(usbvision, &y[0], &y_ptr, 2);
-
-                       if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                               *f_odd++ = y[0];
-                               *f_odd++ = v;
-                       } else {
-                               y_ = 76284 * (y[0] - 16);
-
-                               b_ = (y_ + vb) >> 16;
-                               g_ = (y_ + uvg) >> 16;
-                               r_ = (y_ + ur) >> 16;
-
-                               switch (frame->v4l2_format.format) {
-                               case V4L2_PIX_FMT_RGB565:
-                                       g = LIMIT_RGB(g_);
-                                       *f_odd++ =
-                                               (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_odd++ =
-                                               (0x07 & (g >> 3)) |
-                                               (0xF8 &  LIMIT_RGB(b_));
-                                       break;
-                               case V4L2_PIX_FMT_RGB24:
-                                       *f_odd++ = LIMIT_RGB(r_);
-                                       *f_odd++ = LIMIT_RGB(g_);
-                                       *f_odd++ = LIMIT_RGB(b_);
-                                       break;
-                               case V4L2_PIX_FMT_RGB32:
-                                       *f_odd++ = LIMIT_RGB(r_);
-                                       *f_odd++ = LIMIT_RGB(g_);
-                                       *f_odd++ = LIMIT_RGB(b_);
-                                       f_odd++;
-                                       break;
-                               case V4L2_PIX_FMT_RGB555:
-                                       g = LIMIT_RGB(g_);
-                                       *f_odd++ = (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_odd++ = (0x03 & (g >> 3)) |
-                                               (0x7C & (LIMIT_RGB(b_) << 2));
-                                       break;
-                               }
-                       }
-                       clipmask_odd_index += clipmask_add;
-                       f_odd += stretch_bytes;
-
-                       if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
-                               *f_odd++ = y[1];
-                               *f_odd++ = u;
-                       } else {
-                               y_ = 76284 * (y[1] - 16);
-
-                               b_ = (y_ + vb) >> 16;
-                               g_ = (y_ + uvg) >> 16;
-                               r_ = (y_ + ur) >> 16;
-
-                               switch (frame->v4l2_format.format) {
-                               case V4L2_PIX_FMT_RGB565:
-                                       g = LIMIT_RGB(g_);
-                                       *f_odd++ =
-                                               (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_odd++ =
-                                               (0x07 & (g >> 3)) |
-                                               (0xF8 &  LIMIT_RGB(b_));
-                                       break;
-                               case V4L2_PIX_FMT_RGB24:
-                                       *f_odd++ = LIMIT_RGB(r_);
-                                       *f_odd++ = LIMIT_RGB(g_);
-                                       *f_odd++ = LIMIT_RGB(b_);
-                                       break;
-                               case V4L2_PIX_FMT_RGB32:
-                                       *f_odd++ = LIMIT_RGB(r_);
-                                       *f_odd++ = LIMIT_RGB(g_);
-                                       *f_odd++ = LIMIT_RGB(b_);
-                                       f_odd++;
-                                       break;
-                               case V4L2_PIX_FMT_RGB555:
-                                       g = LIMIT_RGB(g_);
-                                       *f_odd++ = (0x1F & LIMIT_RGB(r_)) |
-                                               (0xE0 & (g << 5));
-                                       *f_odd++ = (0x03 & (g >> 3)) |
-                                               (0x7C & (LIMIT_RGB(b_) << 2));
-                                       break;
-                               }
-                       }
-                       clipmask_odd_index += clipmask_add;
-                       f_odd += stretch_bytes;
-               }
-
-               scratch_rm_old(usbvision, y_step[block % y_step_size] * sub_block_size);
-               scratch_inc_extra_ptr(&y_ptr, y_step[(block + 2 * block_split) % y_step_size]
-                               * sub_block_size);
-               scratch_inc_extra_ptr(&u_ptr, uv_step[block % uv_step_size]
-                               * sub_block_size);
-               scratch_inc_extra_ptr(&v_ptr, uv_step[(block + 2 * block_split) % uv_step_size]
-                               * sub_block_size);
-       }
-
-       scratch_rm_old(usbvision, pixel_per_line * 3 / 2
-                       + block_split * sub_block_size);
-
-       frame->curline += 2 * usbvision->stretch_height;
-       *pcopylen += frame->v4l2_linesize * 2 * usbvision->stretch_height;
-
-       if (frame->curline >= frame->frmheight)
-               return parse_state_next_frame;
-       return parse_state_continue;
-}
-
-/*
- * usbvision_parse_data()
- *
- * Generic routine to parse the scratch buffer. It employs either
- * usbvision_find_header() or usbvision_parse_lines() to do most
- * of work.
- *
- */
-static void usbvision_parse_data(struct usb_usbvision *usbvision)
-{
-       struct usbvision_frame *frame;
-       enum parse_state newstate;
-       long copylen = 0;
-       unsigned long lock_flags;
-
-       frame = usbvision->cur_frame;
-
-       PDEBUG(DBG_PARSE, "parsing len=%d\n", scratch_len(usbvision));
-
-       while (1) {
-               newstate = parse_state_out;
-               if (scratch_len(usbvision)) {
-                       if (frame->scanstate == scan_state_scanning) {
-                               newstate = usbvision_find_header(usbvision);
-                       } else if (frame->scanstate == scan_state_lines) {
-                               if (usbvision->isoc_mode == ISOC_MODE_YUV420)
-                                       newstate = usbvision_parse_lines_420(usbvision, &copylen);
-                               else if (usbvision->isoc_mode == ISOC_MODE_YUV422)
-                                       newstate = usbvision_parse_lines_422(usbvision, &copylen);
-                               else if (usbvision->isoc_mode == ISOC_MODE_COMPRESS)
-                                       newstate = usbvision_parse_compress(usbvision, &copylen);
-                       }
-               }
-               if (newstate == parse_state_continue)
-                       continue;
-               if ((newstate == parse_state_next_frame) || (newstate == parse_state_out))
-                       break;
-               return; /* parse_state_end_parse */
-       }
-
-       if (newstate == parse_state_next_frame) {
-               frame->grabstate = frame_state_done;
-               frame->ts = ktime_get_ns();
-               frame->sequence = usbvision->frame_num;
-
-               spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
-               list_move_tail(&(frame->frame), &usbvision->outqueue);
-               usbvision->cur_frame = NULL;
-               spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
-
-               usbvision->frame_num++;
-
-               /* This will cause the process to request another frame. */
-               if (waitqueue_active(&usbvision->wait_frame)) {
-                       PDEBUG(DBG_PARSE, "Wake up !");
-                       wake_up_interruptible(&usbvision->wait_frame);
-               }
-       } else {
-               frame->grabstate = frame_state_grabbing;
-       }
-
-       /* Update the frame's uncompressed length. */
-       frame->scanlength += copylen;
-}
-
-
-/*
- * Make all of the blocks of data contiguous
- */
-static int usbvision_compress_isochronous(struct usb_usbvision *usbvision,
-                                         struct urb *urb)
-{
-       unsigned char *packet_data;
-       int i, totlen = 0;
-
-       for (i = 0; i < urb->number_of_packets; i++) {
-               int packet_len = urb->iso_frame_desc[i].actual_length;
-               int packet_stat = urb->iso_frame_desc[i].status;
-
-               packet_data = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
-
-               /* Detect and ignore errored packets */
-               if (packet_stat) {      /* packet_stat != 0 ????????????? */
-                       PDEBUG(DBG_ISOC, "data error: [%d] len=%d, status=%X", i, packet_len, packet_stat);
-                       usbvision->isoc_err_count++;
-                       continue;
-               }
-
-               /* Detect and ignore empty packets */
-               if (packet_len < 0) {
-                       PDEBUG(DBG_ISOC, "error packet [%d]", i);
-                       usbvision->isoc_skip_count++;
-                       continue;
-               } else if (packet_len == 0) {   /* Frame end ????? */
-                       PDEBUG(DBG_ISOC, "null packet [%d]", i);
-                       usbvision->isocstate = isoc_state_no_frame;
-                       usbvision->isoc_skip_count++;
-                       continue;
-               } else if (packet_len > usbvision->isoc_packet_size) {
-                       PDEBUG(DBG_ISOC, "packet[%d] > isoc_packet_size", i);
-                       usbvision->isoc_skip_count++;
-                       continue;
-               }
-
-               PDEBUG(DBG_ISOC, "packet ok [%d] len=%d", i, packet_len);
-
-               if (usbvision->isocstate == isoc_state_no_frame) { /* new frame begins */
-                       usbvision->isocstate = isoc_state_in_frame;
-                       scratch_mark_header(usbvision);
-                       usbvision_measure_bandwidth(usbvision);
-                       PDEBUG(DBG_ISOC, "packet with header");
-               }
-
-               /*
-                * If usbvision continues to feed us with data but there is no
-                * consumption (if, for example, V4L client fell asleep) we
-                * may overflow the buffer. We have to move old data over to
-                * free room for new data. This is bad for old data. If we
-                * just drop new data then it's bad for new data... choose
-                * your favorite evil here.
-                */
-               if (scratch_free(usbvision) < packet_len) {
-                       usbvision->scratch_ovf_count++;
-                       PDEBUG(DBG_ISOC, "scratch buf overflow! scr_len: %d, n: %d",
-                              scratch_len(usbvision), packet_len);
-                       scratch_rm_old(usbvision, packet_len - scratch_free(usbvision));
-               }
-
-               /* Now we know that there is enough room in scratch buffer */
-               scratch_put(usbvision, packet_data, packet_len);
-               totlen += packet_len;
-               usbvision->isoc_data_count += packet_len;
-               usbvision->isoc_packet_count++;
-       }
-#if ENABLE_HEXDUMP
-       if (totlen > 0) {
-               static int foo;
-
-               if (foo < 1) {
-                       printk(KERN_DEBUG "+%d.\n", usbvision->scratchlen);
-                       usbvision_hexdump(data0, (totlen > 64) ? 64 : totlen);
-                       ++foo;
-               }
-       }
-#endif
-       return totlen;
-}
-
-static void usbvision_isoc_irq(struct urb *urb)
-{
-       int err_code = 0;
-       int len;
-       struct usb_usbvision *usbvision = urb->context;
-       int i;
-       struct usbvision_frame **f;
-
-       /* We don't want to do anything if we are about to be removed! */
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return;
-
-       /* any urb with wrong status is ignored without acknowledgment */
-       if (urb->status == -ENOENT)
-               return;
-
-       f = &usbvision->cur_frame;
-
-       /* Manage streaming interruption */
-       if (usbvision->streaming == stream_interrupt) {
-               usbvision->streaming = stream_idle;
-               if ((*f)) {
-                       (*f)->grabstate = frame_state_ready;
-                       (*f)->scanstate = scan_state_scanning;
-               }
-               PDEBUG(DBG_IRQ, "stream interrupted");
-               wake_up_interruptible(&usbvision->wait_stream);
-       }
-
-       /* Copy the data received into our scratch buffer */
-       len = usbvision_compress_isochronous(usbvision, urb);
-
-       usbvision->isoc_urb_count++;
-       usbvision->urb_length = len;
-
-       if (usbvision->streaming == stream_on) {
-               /* If we collected enough data let's parse! */
-               if (scratch_len(usbvision) > USBVISION_HEADER_LENGTH &&
-                   !list_empty(&(usbvision->inqueue))) {
-                       if (!(*f)) {
-                               (*f) = list_entry(usbvision->inqueue.next,
-                                                 struct usbvision_frame,
-                                                 frame);
-                       }
-                       usbvision_parse_data(usbvision);
-               } else {
-                       /* If we don't have a frame
-                         we're current working on, complain */
-                       PDEBUG(DBG_IRQ,
-                              "received data, but no one needs it");
-                       scratch_reset(usbvision);
-               }
-       } else {
-               PDEBUG(DBG_IRQ, "received data, but no one needs it");
-               scratch_reset(usbvision);
-       }
-
-       for (i = 0; i < USBVISION_URB_FRAMES; i++) {
-               urb->iso_frame_desc[i].status = 0;
-               urb->iso_frame_desc[i].actual_length = 0;
-       }
-
-       urb->status = 0;
-       urb->dev = usbvision->dev;
-       err_code = usb_submit_urb(urb, GFP_ATOMIC);
-
-       if (err_code) {
-               dev_err(&usbvision->dev->dev,
-                       "%s: usb_submit_urb failed: error %d\n",
-                               __func__, err_code);
-       }
-
-       return;
-}
-
-/*************************************/
-/* Low level usbvision access functions */
-/*************************************/
-
-/*
- * usbvision_read_reg()
- *
- * return  < 0 -> Error
- *        >= 0 -> Data
- */
-
-int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg)
-{
-       int err_code = 0;
-       unsigned char *buffer = usbvision->ctrl_urb_buffer;
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return -1;
-
-       err_code = usb_control_msg(usbvision->dev, usb_rcvctrlpipe(usbvision->dev, 1),
-                               USBVISION_OP_CODE,
-                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
-                               0, (__u16) reg, buffer, 1, HZ);
-
-       if (err_code < 0) {
-               dev_err(&usbvision->dev->dev,
-                       "%s: failed: error %d\n", __func__, err_code);
-               return err_code;
-       }
-       return buffer[0];
-}
-
-/*
- * usbvision_write_reg()
- *
- * return 1 -> Reg written
- *        0 -> usbvision is not yet ready
- *       -1 -> Something went wrong
- */
-
-int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
-                           unsigned char value)
-{
-       int err_code = 0;
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       usbvision->ctrl_urb_buffer[0] = value;
-       err_code = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                               USBVISION_OP_CODE,
-                               USB_DIR_OUT | USB_TYPE_VENDOR |
-                               USB_RECIP_ENDPOINT, 0, (__u16) reg,
-                               usbvision->ctrl_urb_buffer, 1, HZ);
-
-       if (err_code < 0) {
-               dev_err(&usbvision->dev->dev,
-                       "%s: failed: error %d\n", __func__, err_code);
-       }
-       return err_code;
-}
-
-
-static void usbvision_ctrl_urb_complete(struct urb *urb)
-{
-       struct usb_usbvision *usbvision = (struct usb_usbvision *)urb->context;
-
-       PDEBUG(DBG_IRQ, "");
-       usbvision->ctrl_urb_busy = 0;
-}
-
-
-static int usbvision_write_reg_irq(struct usb_usbvision *usbvision, int address,
-                               unsigned char *data, int len)
-{
-       int err_code = 0;
-
-       PDEBUG(DBG_IRQ, "");
-       if (len > 8)
-               return -EFAULT;
-       if (usbvision->ctrl_urb_busy)
-               return -EBUSY;
-       usbvision->ctrl_urb_busy = 1;
-
-       usbvision->ctrl_urb_setup.bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT;
-       usbvision->ctrl_urb_setup.bRequest     = USBVISION_OP_CODE;
-       usbvision->ctrl_urb_setup.wValue       = 0;
-       usbvision->ctrl_urb_setup.wIndex       = cpu_to_le16(address);
-       usbvision->ctrl_urb_setup.wLength      = cpu_to_le16(len);
-       usb_fill_control_urb(usbvision->ctrl_urb, usbvision->dev,
-                                                       usb_sndctrlpipe(usbvision->dev, 1),
-                                                       (unsigned char *)&usbvision->ctrl_urb_setup,
-                                                       (void *)usbvision->ctrl_urb_buffer, len,
-                                                       usbvision_ctrl_urb_complete,
-                                                       (void *)usbvision);
-
-       memcpy(usbvision->ctrl_urb_buffer, data, len);
-
-       err_code = usb_submit_urb(usbvision->ctrl_urb, GFP_ATOMIC);
-       if (err_code < 0) {
-               /* error in usb_submit_urb() */
-               usbvision->ctrl_urb_busy = 0;
-       }
-       PDEBUG(DBG_IRQ, "submit %d byte: error %d", len, err_code);
-       return err_code;
-}
-
-
-static int usbvision_init_compression(struct usb_usbvision *usbvision)
-{
-       usbvision->last_isoc_frame_num = -1;
-       usbvision->isoc_data_count = 0;
-       usbvision->isoc_packet_count = 0;
-       usbvision->isoc_skip_count = 0;
-       usbvision->compr_level = 50;
-       usbvision->last_compr_level = -1;
-       usbvision->isoc_urb_count = 0;
-       usbvision->request_intra = 1;
-       usbvision->isoc_measure_bandwidth_count = 0;
-
-       return 0;
-}
-
-/* this function measures the used bandwidth since last call
- * return:    0 : no error
- * sets used_bandwidth to 1-100 : 1-100% of full bandwidth resp. to isoc_packet_size
- */
-static int usbvision_measure_bandwidth(struct usb_usbvision *usbvision)
-{
-       if (usbvision->isoc_measure_bandwidth_count < 2) { /* this gives an average bandwidth of 3 frames */
-               usbvision->isoc_measure_bandwidth_count++;
-               return 0;
-       }
-       if ((usbvision->isoc_packet_size > 0) && (usbvision->isoc_packet_count > 0)) {
-               usbvision->used_bandwidth = usbvision->isoc_data_count /
-                                       (usbvision->isoc_packet_count + usbvision->isoc_skip_count) *
-                                       100 / usbvision->isoc_packet_size;
-       }
-       usbvision->isoc_measure_bandwidth_count = 0;
-       usbvision->isoc_data_count = 0;
-       usbvision->isoc_packet_count = 0;
-       usbvision->isoc_skip_count = 0;
-       return 0;
-}
-
-static int usbvision_adjust_compression(struct usb_usbvision *usbvision)
-{
-       int err_code = 0;
-       unsigned char buffer[6];
-
-       PDEBUG(DBG_IRQ, "");
-       if ((adjust_compression) && (usbvision->used_bandwidth > 0)) {
-               usbvision->compr_level += (usbvision->used_bandwidth - 90) / 2;
-               RESTRICT_TO_RANGE(usbvision->compr_level, 0, 100);
-               if (usbvision->compr_level != usbvision->last_compr_level) {
-                       int distortion;
-
-                       if (usbvision->bridge_type == BRIDGE_NT1004 || usbvision->bridge_type == BRIDGE_NT1005) {
-                               buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100);     /* PCM Threshold 1 */
-                               buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100);      /* PCM Threshold 2 */
-                               distortion = 7 + 248 * usbvision->compr_level / 100;
-                               buffer[2] = (unsigned char)(distortion & 0xFF);                         /* Average distortion Threshold (inter) */
-                               buffer[3] = (unsigned char)(distortion & 0xFF);                         /* Average distortion Threshold (intra) */
-                               distortion = 1 + 42 * usbvision->compr_level / 100;
-                               buffer[4] = (unsigned char)(distortion & 0xFF);                         /* Maximum distortion Threshold (inter) */
-                               buffer[5] = (unsigned char)(distortion & 0xFF);                         /* Maximum distortion Threshold (intra) */
-                       } else { /* BRIDGE_NT1003 */
-                               buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100);     /* PCM threshold 1 */
-                               buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100);      /* PCM threshold 2 */
-                               distortion = 2 + 253 * usbvision->compr_level / 100;
-                               buffer[2] = (unsigned char)(distortion & 0xFF);                         /* distortion threshold bit0-7 */
-                               buffer[3] = 0;  /* (unsigned char)((distortion >> 8) & 0x0F);           distortion threshold bit 8-11 */
-                               distortion = 0 + 43 * usbvision->compr_level / 100;
-                               buffer[4] = (unsigned char)(distortion & 0xFF);                         /* maximum distortion bit0-7 */
-                               buffer[5] = 0; /* (unsigned char)((distortion >> 8) & 0x01);            maximum distortion bit 8 */
-                       }
-                       err_code = usbvision_write_reg_irq(usbvision, USBVISION_PCM_THR1, buffer, 6);
-                       if (err_code == 0) {
-                               PDEBUG(DBG_IRQ, "new compr params %#02x %#02x %#02x %#02x %#02x %#02x", buffer[0],
-                                                               buffer[1], buffer[2], buffer[3], buffer[4], buffer[5]);
-                               usbvision->last_compr_level = usbvision->compr_level;
-                       }
-               }
-       }
-       return err_code;
-}
-
-static int usbvision_request_intra(struct usb_usbvision *usbvision)
-{
-       unsigned char buffer[1];
-
-       PDEBUG(DBG_IRQ, "");
-       usbvision->request_intra = 1;
-       buffer[0] = 1;
-       usbvision_write_reg_irq(usbvision, USBVISION_FORCE_INTRA, buffer, 1);
-       return 0;
-}
-
-static int usbvision_unrequest_intra(struct usb_usbvision *usbvision)
-{
-       unsigned char buffer[1];
-
-       PDEBUG(DBG_IRQ, "");
-       usbvision->request_intra = 0;
-       buffer[0] = 0;
-       usbvision_write_reg_irq(usbvision, USBVISION_FORCE_INTRA, buffer, 1);
-       return 0;
-}
-
-/*******************************
- * usbvision utility functions
- *******************************/
-
-int usbvision_power_off(struct usb_usbvision *usbvision)
-{
-       int err_code = 0;
-
-       PDEBUG(DBG_FUNC, "");
-
-       err_code = usbvision_write_reg(usbvision, USBVISION_PWR_REG, USBVISION_SSPND_EN);
-       if (err_code == 1)
-               usbvision->power = 0;
-       PDEBUG(DBG_FUNC, "%s: err_code %d", (err_code != 1) ? "ERROR" : "power is off", err_code);
-       return err_code;
-}
-
-/* configure webcam image sensor using the serial port */
-static int usbvision_init_webcam(struct usb_usbvision *usbvision)
-{
-       int rc;
-       int i;
-       static char init_values[38][3] = {
-               { 0x04, 0x12, 0x08 }, { 0x05, 0xff, 0xc8 }, { 0x06, 0x18, 0x07 }, { 0x07, 0x90, 0x00 },
-               { 0x09, 0x00, 0x00 }, { 0x0a, 0x00, 0x00 }, { 0x0b, 0x08, 0x00 }, { 0x0d, 0xcc, 0xcc },
-               { 0x0e, 0x13, 0x14 }, { 0x10, 0x9b, 0x83 }, { 0x11, 0x5a, 0x3f }, { 0x12, 0xe4, 0x73 },
-               { 0x13, 0x88, 0x84 }, { 0x14, 0x89, 0x80 }, { 0x15, 0x00, 0x20 }, { 0x16, 0x00, 0x00 },
-               { 0x17, 0xff, 0xa0 }, { 0x18, 0x6b, 0x20 }, { 0x19, 0x22, 0x40 }, { 0x1a, 0x10, 0x07 },
-               { 0x1b, 0x00, 0x47 }, { 0x1c, 0x03, 0xe0 }, { 0x1d, 0x00, 0x00 }, { 0x1e, 0x00, 0x00 },
-               { 0x1f, 0x00, 0x00 }, { 0x20, 0x00, 0x00 }, { 0x21, 0x00, 0x00 }, { 0x22, 0x00, 0x00 },
-               { 0x23, 0x00, 0x00 }, { 0x24, 0x00, 0x00 }, { 0x25, 0x00, 0x00 }, { 0x26, 0x00, 0x00 },
-               { 0x27, 0x00, 0x00 }, { 0x28, 0x00, 0x00 }, { 0x29, 0x00, 0x00 }, { 0x08, 0x80, 0x60 },
-               { 0x0f, 0x2d, 0x24 }, { 0x0c, 0x80, 0x80 }
-       };
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-
-       /* the only difference between PAL and NTSC init_values */
-       if (usbvision_device_data[usbvision->dev_model].video_norm == V4L2_STD_NTSC)
-               init_values[4][1] = 0x34;
-
-       for (i = 0; i < sizeof(init_values) / 3; i++) {
-               usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT);
-               memcpy(value, init_values[i], 3);
-               rc = usb_control_msg(usbvision->dev,
-                                    usb_sndctrlpipe(usbvision->dev, 1),
-                                    USBVISION_OP_CODE,
-                                    USB_DIR_OUT | USB_TYPE_VENDOR |
-                                    USB_RECIP_ENDPOINT, 0,
-                                    (__u16) USBVISION_SER_DAT1, value,
-                                    3, HZ);
-               if (rc < 0)
-                       return rc;
-               usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SIO);
-               /* write 3 bytes to the serial port using SIO mode */
-               usbvision_write_reg(usbvision, USBVISION_SER_CONT, 3 | 0x10);
-               usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, 0);
-               usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT);
-               usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_IO_2);
-               usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT | USBVISION_CLK_OUT);
-               usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT | USBVISION_DAT_IO);
-               usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_SER_MODE_SOFT | USBVISION_CLK_OUT | USBVISION_DAT_IO);
-       }
-
-       return 0;
-}
-
-/*
- * usbvision_set_video_format()
- *
- */
-static int usbvision_set_video_format(struct usb_usbvision *usbvision, int format)
-{
-       static const char proc[] = "usbvision_set_video_format";
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-       int rc;
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       PDEBUG(DBG_FUNC, "isoc_mode %#02x", format);
-
-       if ((format != ISOC_MODE_YUV422)
-           && (format != ISOC_MODE_YUV420)
-           && (format != ISOC_MODE_COMPRESS)) {
-               printk(KERN_ERR "usbvision: unknown video format %02x, using default YUV420",
-                      format);
-               format = ISOC_MODE_YUV420;
-       }
-       value[0] = 0x0A;  /* TODO: See the effect of the filter */
-       value[1] = format; /* Sets the VO_MODE register which follows FILT_CONT */
-       rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                            USBVISION_OP_CODE,
-                            USB_DIR_OUT | USB_TYPE_VENDOR |
-                            USB_RECIP_ENDPOINT, 0,
-                            (__u16) USBVISION_FILT_CONT, value, 2, HZ);
-
-       if (rc < 0) {
-               printk(KERN_ERR "%s: ERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
-                      proc, rc);
-       }
-       usbvision->isoc_mode = format;
-       return rc;
-}
-
-/*
- * usbvision_set_output()
- *
- */
-
-int usbvision_set_output(struct usb_usbvision *usbvision, int width,
-                        int height)
-{
-       int err_code = 0;
-       int usb_width, usb_height;
-       unsigned int frame_rate = 0, frame_drop = 0;
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       if (width > MAX_USB_WIDTH) {
-               usb_width = width / 2;
-               usbvision->stretch_width = 2;
-       } else {
-               usb_width = width;
-               usbvision->stretch_width = 1;
-       }
-
-       if (height > MAX_USB_HEIGHT) {
-               usb_height = height / 2;
-               usbvision->stretch_height = 2;
-       } else {
-               usb_height = height;
-               usbvision->stretch_height = 1;
-       }
-
-       RESTRICT_TO_RANGE(usb_width, MIN_FRAME_WIDTH, MAX_USB_WIDTH);
-       usb_width &= ~(MIN_FRAME_WIDTH-1);
-       RESTRICT_TO_RANGE(usb_height, MIN_FRAME_HEIGHT, MAX_USB_HEIGHT);
-       usb_height &= ~(1);
-
-       PDEBUG(DBG_FUNC, "usb %dx%d; screen %dx%d; stretch %dx%d",
-                                               usb_width, usb_height, width, height,
-                                               usbvision->stretch_width, usbvision->stretch_height);
-
-       /* I'll not rewrite the same values */
-       if ((usb_width != usbvision->curwidth) || (usb_height != usbvision->curheight)) {
-               value[0] = usb_width & 0xff;            /* LSB */
-               value[1] = (usb_width >> 8) & 0x03;     /* MSB */
-               value[2] = usb_height & 0xff;           /* LSB */
-               value[3] = (usb_height >> 8) & 0x03;    /* MSB */
-
-               err_code = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                            USBVISION_OP_CODE,
-                            USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT,
-                                0, (__u16) USBVISION_LXSIZE_O, value, 4, HZ);
-
-               if (err_code < 0) {
-                       dev_err(&usbvision->dev->dev,
-                               "%s failed: error %d\n", __func__, err_code);
-                       return err_code;
-               }
-               usbvision->curwidth = usbvision->stretch_width * usb_width;
-               usbvision->curheight = usbvision->stretch_height * usb_height;
-       }
-
-       if (usbvision->isoc_mode == ISOC_MODE_YUV422)
-               frame_rate = (usbvision->isoc_packet_size * 1000) / (usb_width * usb_height * 2);
-       else if (usbvision->isoc_mode == ISOC_MODE_YUV420)
-               frame_rate = (usbvision->isoc_packet_size * 1000) / ((usb_width * usb_height * 12) / 8);
-       else
-               frame_rate = FRAMERATE_MAX;
-
-       if (usbvision->tvnorm_id & V4L2_STD_625_50)
-               frame_drop = frame_rate * 32 / 25 - 1;
-       else if (usbvision->tvnorm_id & V4L2_STD_525_60)
-               frame_drop = frame_rate * 32 / 30 - 1;
-
-       RESTRICT_TO_RANGE(frame_drop, FRAMERATE_MIN, FRAMERATE_MAX);
-
-       PDEBUG(DBG_FUNC, "frame_rate %d fps, frame_drop %d", frame_rate, frame_drop);
-
-       frame_drop = FRAMERATE_MAX;     /* We can allow the maximum here, because dropping is controlled */
-
-       if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
-               if (usbvision_device_data[usbvision->dev_model].video_norm == V4L2_STD_PAL)
-                       frame_drop = 25;
-               else
-                       frame_drop = 30;
-       }
-
-       /* frame_drop = 7; => frame_phase = 1, 5, 9, 13, 17, 21, 25, 0, 4, 8, ...
-               => frame_skip = 4;
-               => frame_rate = (7 + 1) * 25 / 32 = 200 / 32 = 6.25;
-
-          frame_drop = 9; => frame_phase = 1, 5, 8, 11, 14, 17, 21, 24, 27, 1, 4, 8, ...
-           => frame_skip = 4, 3, 3, 3, 3, 4, 3, 3, 3, 3, 4, ...
-               => frame_rate = (9 + 1) * 25 / 32 = 250 / 32 = 7.8125;
-       */
-       err_code = usbvision_write_reg(usbvision, USBVISION_FRM_RATE, frame_drop);
-       return err_code;
-}
-
-
-/*
- * usbvision_frames_alloc
- * allocate the required frames
- */
-int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames)
-{
-       int i;
-
-       /* needs to be page aligned cause the buffers can be mapped individually! */
-       usbvision->max_frame_size = PAGE_ALIGN(usbvision->curwidth *
-                                               usbvision->curheight *
-                                               usbvision->palette.bytes_per_pixel);
-
-       /* Try to do my best to allocate the frames the user want in the remaining memory */
-       usbvision->num_frames = number_of_frames;
-       while (usbvision->num_frames > 0) {
-               usbvision->fbuf_size = usbvision->num_frames * usbvision->max_frame_size;
-               usbvision->fbuf = usbvision_rvmalloc(usbvision->fbuf_size);
-               if (usbvision->fbuf)
-                       break;
-               usbvision->num_frames--;
-       }
-
-       /* Allocate all buffers */
-       for (i = 0; i < usbvision->num_frames; i++) {
-               usbvision->frame[i].index = i;
-               usbvision->frame[i].grabstate = frame_state_unused;
-               usbvision->frame[i].data = usbvision->fbuf +
-                       i * usbvision->max_frame_size;
-               /*
-                * Set default sizes for read operation.
-                */
-               usbvision->stretch_width = 1;
-               usbvision->stretch_height = 1;
-               usbvision->frame[i].width = usbvision->curwidth;
-               usbvision->frame[i].height = usbvision->curheight;
-               usbvision->frame[i].bytes_read = 0;
-       }
-       PDEBUG(DBG_FUNC, "allocated %d frames (%d bytes per frame)",
-                       usbvision->num_frames, usbvision->max_frame_size);
-       return usbvision->num_frames;
-}
-
-/*
- * usbvision_frames_free
- * frees memory allocated for the frames
- */
-void usbvision_frames_free(struct usb_usbvision *usbvision)
-{
-       /* Have to free all that memory */
-       PDEBUG(DBG_FUNC, "free %d frames", usbvision->num_frames);
-
-       if (usbvision->fbuf != NULL) {
-               usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size);
-               usbvision->fbuf = NULL;
-
-               usbvision->num_frames = 0;
-       }
-}
-/*
- * usbvision_empty_framequeues()
- * prepare queues for incoming and outgoing frames
- */
-void usbvision_empty_framequeues(struct usb_usbvision *usbvision)
-{
-       u32 i;
-
-       INIT_LIST_HEAD(&(usbvision->inqueue));
-       INIT_LIST_HEAD(&(usbvision->outqueue));
-
-       for (i = 0; i < USBVISION_NUMFRAMES; i++) {
-               usbvision->frame[i].grabstate = frame_state_unused;
-               usbvision->frame[i].bytes_read = 0;
-       }
-}
-
-/*
- * usbvision_stream_interrupt()
- * stops streaming
- */
-int usbvision_stream_interrupt(struct usb_usbvision *usbvision)
-{
-       int ret = 0;
-
-       /* stop reading from the device */
-
-       usbvision->streaming = stream_interrupt;
-       ret = wait_event_timeout(usbvision->wait_stream,
-                                (usbvision->streaming == stream_idle),
-                                msecs_to_jiffies(USBVISION_NUMSBUF*USBVISION_URB_FRAMES));
-       return ret;
-}
-
-/*
- * usbvision_set_compress_params()
- *
- */
-
-static int usbvision_set_compress_params(struct usb_usbvision *usbvision)
-{
-       static const char proc[] = "usbvision_set_compression_params: ";
-       int rc;
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-
-       value[0] = 0x0F;    /* Intra-Compression cycle */
-       value[1] = 0x01;    /* Reg.45 one line per strip */
-       value[2] = 0x00;    /* Reg.46 Force intra mode on all new frames */
-       value[3] = 0x00;    /* Reg.47 FORCE_UP <- 0 normal operation (not force) */
-       value[4] = 0xA2;    /* Reg.48 BUF_THR I'm not sure if this does something in not compressed mode. */
-       value[5] = 0x00;    /* Reg.49 DVI_YUV This has nothing to do with compression */
-
-       /* caught values for NT1004 */
-       /* value[0] = 0xFF; Never apply intra mode automatically */
-       /* value[1] = 0xF1; Use full frame height for virtual strip width; One line per strip */
-       /* value[2] = 0x01; Force intra mode on all new frames */
-       /* value[3] = 0x00; Strip size 400 Bytes; do not force up */
-       /* value[4] = 0xA2; */
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                            USBVISION_OP_CODE,
-                            USB_DIR_OUT | USB_TYPE_VENDOR |
-                            USB_RECIP_ENDPOINT, 0,
-                            (__u16) USBVISION_INTRA_CYC, value, 5, HZ);
-
-       if (rc < 0) {
-               printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
-                      proc, rc);
-               return rc;
-       }
-
-       if (usbvision->bridge_type == BRIDGE_NT1004) {
-               value[0] =  20; /* PCM Threshold 1 */
-               value[1] =  12; /* PCM Threshold 2 */
-               value[2] = 255; /* Distortion Threshold inter */
-               value[3] = 255; /* Distortion Threshold intra */
-               value[4] =  43; /* Max Distortion inter */
-               value[5] =  43; /* Max Distortion intra */
-       } else {
-               value[0] =  20; /* PCM Threshold 1 */
-               value[1] =  12; /* PCM Threshold 2 */
-               value[2] = 255; /* Distortion Threshold d7-d0 */
-               value[3] =   0; /* Distortion Threshold d11-d8 */
-               value[4] =  43; /* Max Distortion d7-d0 */
-               value[5] =   0; /* Max Distortion d8 */
-       }
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                            USBVISION_OP_CODE,
-                            USB_DIR_OUT | USB_TYPE_VENDOR |
-                            USB_RECIP_ENDPOINT, 0,
-                            (__u16) USBVISION_PCM_THR1, value, 6, HZ);
-
-       if (rc < 0) {
-               printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
-                      proc, rc);
-       }
-       return rc;
-}
-
-
-/*
- * usbvision_set_input()
- *
- * Set the input (saa711x, ...) size x y and other misc input params
- * I've no idea if this parameters are right
- *
- */
-int usbvision_set_input(struct usb_usbvision *usbvision)
-{
-       static const char proc[] = "usbvision_set_input: ";
-       int rc;
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-       unsigned char dvi_yuv_value;
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       /* Set input format expected from decoder*/
-       if (usbvision_device_data[usbvision->dev_model].vin_reg1_override) {
-               value[0] = usbvision_device_data[usbvision->dev_model].vin_reg1;
-       } else if (usbvision_device_data[usbvision->dev_model].codec == CODEC_SAA7113) {
-               /* SAA7113 uses 8 bit output */
-               value[0] = USBVISION_8_422_SYNC;
-       } else {
-               /* I'm sure only about d2-d0 [010] 16 bit 4:2:2 using sync pulses
-                * as that is how saa7111 is configured */
-               value[0] = USBVISION_16_422_SYNC;
-               /* | USBVISION_VSNC_POL | USBVISION_VCLK_POL);*/
-       }
-
-       rc = usbvision_write_reg(usbvision, USBVISION_VIN_REG1, value[0]);
-       if (rc < 0) {
-               printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
-                      proc, rc);
-               return rc;
-       }
-
-
-       if (usbvision->tvnorm_id & V4L2_STD_PAL) {
-               value[0] = 0xC0;
-               value[1] = 0x02;        /* 0x02C0 -> 704 Input video line length */
-               value[2] = 0x20;
-               value[3] = 0x01;        /* 0x0120 -> 288 Input video n. of lines */
-               value[4] = 0x60;
-               value[5] = 0x00;        /* 0x0060 -> 96 Input video h offset */
-               value[6] = 0x16;
-               value[7] = 0x00;        /* 0x0016 -> 22 Input video v offset */
-       } else if (usbvision->tvnorm_id & V4L2_STD_SECAM) {
-               value[0] = 0xC0;
-               value[1] = 0x02;        /* 0x02C0 -> 704 Input video line length */
-               value[2] = 0x20;
-               value[3] = 0x01;        /* 0x0120 -> 288 Input video n. of lines */
-               value[4] = 0x01;
-               value[5] = 0x00;        /* 0x0001 -> 01 Input video h offset */
-               value[6] = 0x01;
-               value[7] = 0x00;        /* 0x0001 -> 01 Input video v offset */
-       } else {        /* V4L2_STD_NTSC */
-               value[0] = 0xD0;
-               value[1] = 0x02;        /* 0x02D0 -> 720 Input video line length */
-               value[2] = 0xF0;
-               value[3] = 0x00;        /* 0x00F0 -> 240 Input video number of lines */
-               value[4] = 0x50;
-               value[5] = 0x00;        /* 0x0050 -> 80 Input video h offset */
-               value[6] = 0x10;
-               value[7] = 0x00;        /* 0x0010 -> 16 Input video v offset */
-       }
-
-       /* webcam is only 480 pixels wide, both PAL and NTSC version */
-       if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
-               value[0] = 0xe0;
-               value[1] = 0x01;        /* 0x01E0 -> 480 Input video line length */
-       }
-
-       if (usbvision_device_data[usbvision->dev_model].x_offset >= 0) {
-               value[4] = usbvision_device_data[usbvision->dev_model].x_offset & 0xff;
-               value[5] = (usbvision_device_data[usbvision->dev_model].x_offset & 0x0300) >> 8;
-       }
-
-       if (adjust_x_offset != -1) {
-               value[4] = adjust_x_offset & 0xff;
-               value[5] = (adjust_x_offset & 0x0300) >> 8;
-       }
-
-       if (usbvision_device_data[usbvision->dev_model].y_offset >= 0) {
-               value[6] = usbvision_device_data[usbvision->dev_model].y_offset & 0xff;
-               value[7] = (usbvision_device_data[usbvision->dev_model].y_offset & 0x0300) >> 8;
-       }
-
-       if (adjust_y_offset != -1) {
-               value[6] = adjust_y_offset & 0xff;
-               value[7] = (adjust_y_offset & 0x0300) >> 8;
-       }
-
-       rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                            USBVISION_OP_CODE, /* USBVISION specific code */
-                            USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0,
-                            (__u16) USBVISION_LXSIZE_I, value, 8, HZ);
-       if (rc < 0) {
-               printk(KERN_ERR "%sERROR=%d. USBVISION stopped - reconnect or reload driver.\n",
-                      proc, rc);
-               return rc;
-       }
-
-
-       dvi_yuv_value = 0x00;   /* U comes after V, Ya comes after U/V, Yb comes after Yb */
-
-       if (usbvision_device_data[usbvision->dev_model].dvi_yuv_override) {
-               dvi_yuv_value = usbvision_device_data[usbvision->dev_model].dvi_yuv;
-       } else if (usbvision_device_data[usbvision->dev_model].codec == CODEC_SAA7113) {
-               /* This changes as the fine sync control changes. Further investigation necessary */
-               dvi_yuv_value = 0x06;
-       }
-
-       return usbvision_write_reg(usbvision, USBVISION_DVI_YUV, dvi_yuv_value);
-}
-
-
-/*
- * usbvision_set_dram_settings()
- *
- * Set the buffer address needed by the usbvision dram to operate
- * This values has been taken with usbsnoop.
- *
- */
-
-static int usbvision_set_dram_settings(struct usb_usbvision *usbvision)
-{
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-       int rc;
-
-       if (usbvision->isoc_mode == ISOC_MODE_COMPRESS) {
-               value[0] = 0x42;
-               value[1] = 0x71;
-               value[2] = 0xff;
-               value[3] = 0x00;
-               value[4] = 0x98;
-               value[5] = 0xe0;
-               value[6] = 0x71;
-               value[7] = 0xff;
-               /* UR:  0x0E200-0x3FFFF = 204288 Words (1 Word = 2 Byte) */
-               /* FDL: 0x00000-0x0E099 =  57498 Words */
-               /* VDW: 0x0E3FF-0x3FFFF */
-       } else {
-               value[0] = 0x42;
-               value[1] = 0x00;
-               value[2] = 0xff;
-               value[3] = 0x00;
-               value[4] = 0x00;
-               value[5] = 0x00;
-               value[6] = 0x00;
-               value[7] = 0xff;
-       }
-       /* These are the values of the address of the video buffer,
-        * they have to be loaded into the USBVISION_DRM_PRM1-8
-        *
-        * Start address of video output buffer for read:       drm_prm1-2 -> 0x00000
-        * End address of video output buffer for read:         drm_prm1-3 -> 0x1ffff
-        * Start address of video frame delay buffer:           drm_prm1-4 -> 0x20000
-        *    Only used in compressed mode
-        * End address of video frame delay buffer:             drm_prm1-5-6 -> 0x3ffff
-        *    Only used in compressed mode
-        * Start address of video output buffer for write:      drm_prm1-7 -> 0x00000
-        * End address of video output buffer for write:        drm_prm1-8 -> 0x1ffff
-        */
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return 0;
-
-       rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
-                            USBVISION_OP_CODE, /* USBVISION specific code */
-                            USB_DIR_OUT | USB_TYPE_VENDOR |
-                            USB_RECIP_ENDPOINT, 0,
-                            (__u16) USBVISION_DRM_PRM1, value, 8, HZ);
-
-       if (rc < 0) {
-               dev_err(&usbvision->dev->dev, "%s: ERROR=%d\n", __func__, rc);
-               return rc;
-       }
-
-       /* Restart the video buffer logic */
-       rc = usbvision_write_reg(usbvision, USBVISION_DRM_CONT, USBVISION_RES_UR |
-                                  USBVISION_RES_FDL | USBVISION_RES_VDW);
-       if (rc < 0)
-               return rc;
-       rc = usbvision_write_reg(usbvision, USBVISION_DRM_CONT, 0x00);
-
-       return rc;
-}
-
-/*
- * ()
- *
- * Power on the device, enables suspend-resume logic
- * &  reset the isoc End-Point
- *
- */
-
-int usbvision_power_on(struct usb_usbvision *usbvision)
-{
-       int err_code = 0;
-
-       PDEBUG(DBG_FUNC, "");
-
-       usbvision_write_reg(usbvision, USBVISION_PWR_REG, USBVISION_SSPND_EN);
-       usbvision_write_reg(usbvision, USBVISION_PWR_REG,
-                       USBVISION_SSPND_EN | USBVISION_RES2);
-
-       if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
-               usbvision_write_reg(usbvision, USBVISION_VIN_REG1,
-                               USBVISION_16_422_SYNC | USBVISION_HVALID_PO);
-               usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
-                               USBVISION_NOHVALID | USBVISION_KEEP_BLANK);
-       }
-       usbvision_write_reg(usbvision, USBVISION_PWR_REG,
-                       USBVISION_SSPND_EN | USBVISION_PWR_VID);
-       mdelay(10);
-       err_code = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
-                       USBVISION_SSPND_EN | USBVISION_PWR_VID | USBVISION_RES2);
-       if (err_code == 1)
-               usbvision->power = 1;
-       PDEBUG(DBG_FUNC, "%s: err_code %d", (err_code < 0) ? "ERROR" : "power is on", err_code);
-       return err_code;
-}
-
-
-/*
- * usbvision_begin_streaming()
- * Sure you have to put bit 7 to 0, if not incoming frames are dropped, but no
- * idea about the rest
- */
-int usbvision_begin_streaming(struct usb_usbvision *usbvision)
-{
-       if (usbvision->isoc_mode == ISOC_MODE_COMPRESS)
-               usbvision_init_compression(usbvision);
-       return usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
-               USBVISION_NOHVALID | usbvision->vin_reg2_preset);
-}
-
-/*
- * usbvision_restart_isoc()
- * Not sure yet if touching here PWR_REG make loose the config
- */
-
-int usbvision_restart_isoc(struct usb_usbvision *usbvision)
-{
-       int ret;
-
-       ret = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
-                             USBVISION_SSPND_EN | USBVISION_PWR_VID);
-       if (ret < 0)
-               return ret;
-       ret = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
-                             USBVISION_SSPND_EN | USBVISION_PWR_VID |
-                             USBVISION_RES2);
-       if (ret < 0)
-               return ret;
-       ret = usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
-                             USBVISION_KEEP_BLANK | USBVISION_NOHVALID |
-                                 usbvision->vin_reg2_preset);
-       if (ret < 0)
-               return ret;
-
-       /* TODO: schedule timeout */
-       while ((usbvision_read_reg(usbvision, USBVISION_STATUS_REG) & 0x01) != 1)
-               ;
-
-       return 0;
-}
-
-int usbvision_audio_off(struct usb_usbvision *usbvision)
-{
-       if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, USBVISION_AUDIO_MUTE) < 0) {
-               printk(KERN_ERR "usbvision_audio_off: can't write reg\n");
-               return -1;
-       }
-       usbvision->audio_mute = 0;
-       usbvision->audio_channel = USBVISION_AUDIO_MUTE;
-       return 0;
-}
-
-int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel)
-{
-       if (!usbvision->audio_mute) {
-               if (usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, audio_channel) < 0) {
-                       printk(KERN_ERR "usbvision_set_audio: can't write iopin register for audio switching\n");
-                       return -1;
-               }
-       }
-       usbvision->audio_channel = audio_channel;
-       return 0;
-}
-
-int usbvision_setup(struct usb_usbvision *usbvision, int format)
-{
-       if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM)
-               usbvision_init_webcam(usbvision);
-       usbvision_set_video_format(usbvision, format);
-       usbvision_set_dram_settings(usbvision);
-       usbvision_set_compress_params(usbvision);
-       usbvision_set_input(usbvision);
-       usbvision_set_output(usbvision, MAX_USB_WIDTH, MAX_USB_HEIGHT);
-       usbvision_restart_isoc(usbvision);
-
-       /* cosas del PCM */
-       return USBVISION_IS_OPERATIONAL(usbvision);
-}
-
-int usbvision_set_alternate(struct usb_usbvision *dev)
-{
-       int err_code, prev_alt = dev->iface_alt;
-       int i;
-
-       dev->iface_alt = 0;
-       for (i = 0; i < dev->num_alt; i++)
-               if (dev->alt_max_pkt_size[i] > dev->alt_max_pkt_size[dev->iface_alt])
-                       dev->iface_alt = i;
-
-       if (dev->iface_alt != prev_alt) {
-               dev->isoc_packet_size = dev->alt_max_pkt_size[dev->iface_alt];
-               PDEBUG(DBG_FUNC, "setting alternate %d with max_packet_size=%u",
-                               dev->iface_alt, dev->isoc_packet_size);
-               err_code = usb_set_interface(dev->dev, dev->iface, dev->iface_alt);
-               if (err_code < 0) {
-                       dev_err(&dev->dev->dev,
-                               "cannot change alternate number to %d (error=%i)\n",
-                                       dev->iface_alt, err_code);
-                       return err_code;
-               }
-       }
-
-       PDEBUG(DBG_ISOC, "ISO Packet Length:%d", dev->isoc_packet_size);
-
-       return 0;
-}
-
-/*
- * usbvision_init_isoc()
- *
- */
-int usbvision_init_isoc(struct usb_usbvision *usbvision)
-{
-       struct usb_device *dev = usbvision->dev;
-       int buf_idx, err_code, reg_value;
-       int sb_size;
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return -EFAULT;
-
-       usbvision->cur_frame = NULL;
-       scratch_reset(usbvision);
-
-       /* Alternate interface 1 is is the biggest frame size */
-       err_code = usbvision_set_alternate(usbvision);
-       if (err_code < 0) {
-               usbvision->last_error = err_code;
-               return -EBUSY;
-       }
-       sb_size = USBVISION_URB_FRAMES * usbvision->isoc_packet_size;
-
-       reg_value = (16 - usbvision_read_reg(usbvision,
-                                           USBVISION_ALTER_REG)) & 0x0F;
-
-       usbvision->usb_bandwidth = reg_value >> 1;
-       PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec",
-              usbvision->usb_bandwidth);
-
-
-
-       /* We double buffer the Iso lists */
-
-       for (buf_idx = 0; buf_idx < USBVISION_NUMSBUF; buf_idx++) {
-               int j, k;
-               struct urb *urb;
-
-               urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
-               if (urb == NULL)
-                       return -ENOMEM;
-               usbvision->sbuf[buf_idx].urb = urb;
-               usbvision->sbuf[buf_idx].data =
-                       usb_alloc_coherent(usbvision->dev,
-                                          sb_size,
-                                          GFP_KERNEL,
-                                          &urb->transfer_dma);
-               if (!usbvision->sbuf[buf_idx].data)
-                       return -ENOMEM;
-
-               urb->dev = dev;
-               urb->context = usbvision;
-               urb->pipe = usb_rcvisocpipe(dev, usbvision->video_endp);
-               urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
-               urb->interval = 1;
-               urb->transfer_buffer = usbvision->sbuf[buf_idx].data;
-               urb->complete = usbvision_isoc_irq;
-               urb->number_of_packets = USBVISION_URB_FRAMES;
-               urb->transfer_buffer_length =
-                   usbvision->isoc_packet_size * USBVISION_URB_FRAMES;
-               for (j = k = 0; j < USBVISION_URB_FRAMES; j++,
-                    k += usbvision->isoc_packet_size) {
-                       urb->iso_frame_desc[j].offset = k;
-                       urb->iso_frame_desc[j].length =
-                               usbvision->isoc_packet_size;
-               }
-       }
-
-       /* Submit all URBs */
-       for (buf_idx = 0; buf_idx < USBVISION_NUMSBUF; buf_idx++) {
-               err_code = usb_submit_urb(usbvision->sbuf[buf_idx].urb,
-                                        GFP_KERNEL);
-               if (err_code) {
-                       dev_err(&usbvision->dev->dev,
-                               "%s: usb_submit_urb(%d) failed: error %d\n",
-                                       __func__, buf_idx, err_code);
-               }
-       }
-
-       usbvision->streaming = stream_idle;
-       PDEBUG(DBG_ISOC, "%s: streaming=1 usbvision->video_endp=$%02x",
-              __func__,
-              usbvision->video_endp);
-       return 0;
-}
-
-/*
- * usbvision_stop_isoc()
- *
- * This procedure stops streaming and deallocates URBs. Then it
- * activates zero-bandwidth alt. setting of the video interface.
- *
- */
-void usbvision_stop_isoc(struct usb_usbvision *usbvision)
-{
-       int buf_idx, err_code, reg_value;
-       int sb_size = USBVISION_URB_FRAMES * usbvision->isoc_packet_size;
-
-       if ((usbvision->streaming == stream_off) || (usbvision->dev == NULL))
-               return;
-
-       /* Unschedule all of the iso td's */
-       for (buf_idx = 0; buf_idx < USBVISION_NUMSBUF; buf_idx++) {
-               usb_kill_urb(usbvision->sbuf[buf_idx].urb);
-               if (usbvision->sbuf[buf_idx].data) {
-                       usb_free_coherent(usbvision->dev,
-                                         sb_size,
-                                         usbvision->sbuf[buf_idx].data,
-                                         usbvision->sbuf[buf_idx].urb->transfer_dma);
-               }
-               usb_free_urb(usbvision->sbuf[buf_idx].urb);
-               usbvision->sbuf[buf_idx].urb = NULL;
-       }
-
-       PDEBUG(DBG_ISOC, "%s: streaming=stream_off\n", __func__);
-       usbvision->streaming = stream_off;
-
-       if (!usbvision->remove_pending) {
-               /* Set packet size to 0 */
-               usbvision->iface_alt = 0;
-               err_code = usb_set_interface(usbvision->dev, usbvision->iface,
-                                           usbvision->iface_alt);
-               if (err_code < 0) {
-                       dev_err(&usbvision->dev->dev,
-                               "%s: usb_set_interface() failed: error %d\n",
-                                       __func__, err_code);
-                       usbvision->last_error = err_code;
-               }
-               reg_value = (16-usbvision_read_reg(usbvision, USBVISION_ALTER_REG)) & 0x0F;
-               usbvision->isoc_packet_size =
-                       (reg_value == 0) ? 0 : (reg_value * 64) - 1;
-               PDEBUG(DBG_ISOC, "ISO Packet Length:%d",
-                      usbvision->isoc_packet_size);
-
-               usbvision->usb_bandwidth = reg_value >> 1;
-               PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec",
-                      usbvision->usb_bandwidth);
-       }
-}
-
-int usbvision_muxsel(struct usb_usbvision *usbvision, int channel)
-{
-       /* inputs #0 and #3 are constant for every SAA711x. */
-       /* inputs #1 and #2 are variable for SAA7111 and SAA7113 */
-       int mode[4] = { SAA7115_COMPOSITE0, 0, 0, SAA7115_COMPOSITE3 };
-       int audio[] = { 1, 0, 0, 0 };
-       /* channel 0 is TV with audiochannel 1 (tuner mono) */
-       /* channel 1 is Composite with audio channel 0 (line in) */
-       /* channel 2 is S-Video with audio channel 0 (line in) */
-       /* channel 3 is additional video inputs to the device with audio channel 0 (line in) */
-
-       RESTRICT_TO_RANGE(channel, 0, usbvision->video_inputs);
-       usbvision->ctl_input = channel;
-
-       /* set the new channel */
-       /* Regular USB TV Tuners -> channel: 0 = Television, 1 = Composite, 2 = S-Video */
-       /* Four video input devices -> channel: 0 = Chan White, 1 = Chan Green, 2 = Chan Yellow, 3 = Chan Red */
-
-       switch (usbvision_device_data[usbvision->dev_model].codec) {
-       case CODEC_SAA7113:
-               mode[1] = SAA7115_COMPOSITE2;
-               if (switch_svideo_input) {
-                       /* To handle problems with S-Video Input for
-                        * some devices.  Use switch_svideo_input
-                        * parameter when loading the module.*/
-                       mode[2] = SAA7115_COMPOSITE1;
-               } else {
-                       mode[2] = SAA7115_SVIDEO1;
-               }
-               break;
-       case CODEC_SAA7111:
-       default:
-               /* modes for saa7111 */
-               mode[1] = SAA7115_COMPOSITE1;
-               mode[2] = SAA7115_SVIDEO1;
-               break;
-       }
-       call_all(usbvision, video, s_routing, mode[channel], 0, 0);
-       usbvision_set_audio(usbvision, audio[channel]);
-       return 0;
-}
diff --git a/drivers/staging/media/usbvision/usbvision-i2c.c b/drivers/staging/media/usbvision/usbvision-i2c.c
deleted file mode 100644 (file)
index aa3ff67..0000000
+++ /dev/null
@@ -1,438 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * usbvision_i2c.c
- *  i2c algorithm for USB-I2C Bridges
- *
- * Copyright (c) 1999-2007 Joerg Heckenbach <joerg@heckenbach-aw.de>
- *                         Dwaine Garden <dwainegarden@rogers.com>
- *
- * This module is part of usbvision driver project.
- * Updates to driver completed by Dwaine P. Garden
- */
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/uaccess.h>
-#include <linux/ioport.h>
-#include <linux/errno.h>
-#include <linux/usb.h>
-#include <linux/i2c.h>
-#include "usbvision.h"
-
-#define DBG_I2C                (1 << 0)
-
-static int i2c_debug;
-
-module_param(i2c_debug, int, 0644);                    /* debug_i2c_usb mode of the device driver */
-MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
-
-#define PDEBUG(level, fmt, args...) { \
-               if (i2c_debug & (level)) \
-                       printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \
-                               __func__, __LINE__ , ## args); \
-       }
-
-static int usbvision_i2c_write(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
-                           short len);
-static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
-                          short len);
-
-static inline int try_write_address(struct i2c_adapter *i2c_adap,
-                                   unsigned char addr, int retries)
-{
-       struct usb_usbvision *usbvision;
-       int i, ret = -1;
-       char buf[4];
-
-       usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap);
-       buf[0] = 0x00;
-       for (i = 0; i <= retries; i++) {
-               ret = (usbvision_i2c_write(usbvision, addr, buf, 1));
-               if (ret == 1)
-                       break;  /* success! */
-               udelay(5);
-               if (i == retries)       /* no success */
-                       break;
-               udelay(10);
-       }
-       if (i) {
-               PDEBUG(DBG_I2C, "Needed %d retries for address %#2x", i, addr);
-               PDEBUG(DBG_I2C, "Maybe there's no device at this address");
-       }
-       return ret;
-}
-
-static inline int try_read_address(struct i2c_adapter *i2c_adap,
-                                  unsigned char addr, int retries)
-{
-       struct usb_usbvision *usbvision;
-       int i, ret = -1;
-       char buf[4];
-
-       usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap);
-       for (i = 0; i <= retries; i++) {
-               ret = (usbvision_i2c_read(usbvision, addr, buf, 1));
-               if (ret == 1)
-                       break;  /* success! */
-               udelay(5);
-               if (i == retries)       /* no success */
-                       break;
-               udelay(10);
-       }
-       if (i) {
-               PDEBUG(DBG_I2C, "Needed %d retries for address %#2x", i, addr);
-               PDEBUG(DBG_I2C, "Maybe there's no device at this address");
-       }
-       return ret;
-}
-
-static inline int usb_find_address(struct i2c_adapter *i2c_adap,
-                                  struct i2c_msg *msg, int retries,
-                                  unsigned char *add)
-{
-       unsigned short flags = msg->flags;
-
-       unsigned char addr;
-       int ret;
-
-       addr = (msg->addr << 1);
-       if (flags & I2C_M_RD)
-               addr |= 1;
-
-       add[0] = addr;
-       if (flags & I2C_M_RD)
-               ret = try_read_address(i2c_adap, addr, retries);
-       else
-               ret = try_write_address(i2c_adap, addr, retries);
-
-       if (ret != 1)
-               return -EREMOTEIO;
-
-       return 0;
-}
-
-static int
-usbvision_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)
-{
-       struct i2c_msg *pmsg;
-       struct usb_usbvision *usbvision;
-       int i, ret;
-       unsigned char addr = 0;
-
-       usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap);
-
-       for (i = 0; i < num; i++) {
-               pmsg = &msgs[i];
-               ret = usb_find_address(i2c_adap, pmsg, i2c_adap->retries, &addr);
-               if (ret != 0) {
-                       PDEBUG(DBG_I2C, "got NAK from device, message #%d", i);
-                       return (ret < 0) ? ret : -EREMOTEIO;
-               }
-
-               if (pmsg->flags & I2C_M_RD) {
-                       /* read bytes into buffer */
-                       ret = (usbvision_i2c_read(usbvision, addr, pmsg->buf, pmsg->len));
-                       if (ret < pmsg->len)
-                               return (ret < 0) ? ret : -EREMOTEIO;
-               } else {
-                       /* write bytes from buffer */
-                       ret = (usbvision_i2c_write(usbvision, addr, pmsg->buf, pmsg->len));
-                       if (ret < pmsg->len)
-                               return (ret < 0) ? ret : -EREMOTEIO;
-               }
-       }
-       return num;
-}
-
-static u32 functionality(struct i2c_adapter *adap)
-{
-       return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
-}
-
-/* -----exported algorithm data: ------------------------------------- */
-
-static const struct i2c_algorithm usbvision_algo = {
-       .master_xfer   = usbvision_i2c_xfer,
-       .smbus_xfer    = NULL,
-       .functionality = functionality,
-};
-
-
-/* ----------------------------------------------------------------------- */
-/* usbvision specific I2C functions                                        */
-/* ----------------------------------------------------------------------- */
-static const struct i2c_adapter i2c_adap_template;
-
-int usbvision_i2c_register(struct usb_usbvision *usbvision)
-{
-       static unsigned short saa711x_addrs[] = {
-               0x4a >> 1, 0x48 >> 1,   /* SAA7111, SAA7111A and SAA7113 */
-               0x42 >> 1, 0x40 >> 1,   /* SAA7114, SAA7115 and SAA7118 */
-               I2C_CLIENT_END };
-
-       if (usbvision->registered_i2c)
-               return 0;
-
-       usbvision->i2c_adap = i2c_adap_template;
-
-       snprintf(usbvision->i2c_adap.name, sizeof(usbvision->i2c_adap.name),
-                "usbvision-%d-%s",
-                usbvision->dev->bus->busnum, usbvision->dev->devpath);
-       PDEBUG(DBG_I2C, "Adaptername: %s", usbvision->i2c_adap.name);
-       usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
-
-       i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);
-
-       if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
-               printk(KERN_ERR "usbvision_i2c_register: can't write reg\n");
-               return -EBUSY;
-       }
-
-       PDEBUG(DBG_I2C, "I2C   debugging is enabled [i2c]");
-       PDEBUG(DBG_I2C, "ALGO   debugging is enabled [i2c]");
-
-       /* register new adapter to i2c module... */
-
-       usbvision->i2c_adap.algo = &usbvision_algo;
-
-       usbvision->i2c_adap.timeout = 100;      /* default values, should       */
-       usbvision->i2c_adap.retries = 3;        /* be replaced by defines       */
-
-       i2c_add_adapter(&usbvision->i2c_adap);
-
-       PDEBUG(DBG_I2C, "i2c bus for %s registered", usbvision->i2c_adap.name);
-
-       /* Request the load of the i2c modules we need */
-       switch (usbvision_device_data[usbvision->dev_model].codec) {
-       case CODEC_SAA7113:
-       case CODEC_SAA7111:
-               /* Without this delay the detection of the saa711x is
-                  hit-and-miss. */
-               mdelay(10);
-               v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
-                               &usbvision->i2c_adap,
-                               "saa7115_auto", 0, saa711x_addrs);
-               break;
-       }
-       if (usbvision_device_data[usbvision->dev_model].tuner == 1) {
-               struct v4l2_subdev *sd;
-               enum v4l2_i2c_tuner_type type;
-               struct tuner_setup tun_setup;
-
-               sd = v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
-                               &usbvision->i2c_adap,
-                               "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
-               /* depending on whether we found a demod or not, select
-                  the tuner type. */
-               type = sd ? ADDRS_TV_WITH_DEMOD : ADDRS_TV;
-
-               sd = v4l2_i2c_new_subdev(&usbvision->v4l2_dev,
-                               &usbvision->i2c_adap,
-                               "tuner", 0, v4l2_i2c_tuner_addrs(type));
-
-               if (sd == NULL)
-                       return -ENODEV;
-               if (usbvision->tuner_type != -1) {
-                       tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
-                       tun_setup.type = usbvision->tuner_type;
-                       tun_setup.addr = v4l2_i2c_subdev_addr(sd);
-                       call_all(usbvision, tuner, s_type_addr, &tun_setup);
-               }
-       }
-       usbvision->registered_i2c = 1;
-
-       return 0;
-}
-
-int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
-{
-       if (!usbvision->registered_i2c)
-               return 0;
-
-       i2c_del_adapter(&(usbvision->i2c_adap));
-       usbvision->registered_i2c = 0;
-
-       PDEBUG(DBG_I2C, "i2c bus for %s unregistered", usbvision->i2c_adap.name);
-
-       return 0;
-}
-
-static int
-usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr,
-                    char *buf, short len)
-{
-       int rc, retries;
-
-       for (retries = 5;;) {
-               rc = usbvision_write_reg(usbvision, USBVISION_SER_ADRS, addr);
-               if (rc < 0)
-                       return rc;
-
-               /* Initiate byte read cycle                    */
-               /* USBVISION_SER_CONT <- d0-d2 n. of bytes to r/w */
-               /*                    d3 0=Wr 1=Rd             */
-               rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT,
-                                     (len & 0x07) | 0x18);
-               if (rc < 0)
-                       return rc;
-
-               /* Test for Busy and ACK */
-               do {
-                       /* USBVISION_SER_CONT -> d4 == 0 busy */
-                       rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT);
-               } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */
-               if (rc < 0)
-                       return rc;
-
-               /* USBVISION_SER_CONT -> d5 == 1 Not ack */
-               if ((rc & 0x20) == 0)   /* Ack? */
-                       break;
-
-               /* I2C abort */
-               rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00);
-               if (rc < 0)
-                       return rc;
-
-               if (--retries < 0)
-                       return -1;
-       }
-
-       switch (len) {
-       case 4:
-               buf[3] = usbvision_read_reg(usbvision, USBVISION_SER_DAT4);
-               fallthrough;
-       case 3:
-               buf[2] = usbvision_read_reg(usbvision, USBVISION_SER_DAT3);
-               fallthrough;
-       case 2:
-               buf[1] = usbvision_read_reg(usbvision, USBVISION_SER_DAT2);
-               fallthrough;
-       case 1:
-               buf[0] = usbvision_read_reg(usbvision, USBVISION_SER_DAT1);
-               break;
-       default:
-               printk(KERN_ERR
-                      "usbvision_i2c_read_max4: buffer length > 4\n");
-       }
-
-       if (i2c_debug & DBG_I2C) {
-               int idx;
-
-               for (idx = 0; idx < len; idx++)
-                       PDEBUG(DBG_I2C, "read %x from address %x", (unsigned char)buf[idx], addr);
-       }
-       return len;
-}
-
-
-static int usbvision_i2c_write_max4(struct usb_usbvision *usbvision,
-                                unsigned char addr, const char *buf,
-                                short len)
-{
-       int rc, retries;
-       int i;
-       unsigned char *value = usbvision->ctrl_urb_buffer;
-       unsigned char ser_cont;
-
-       ser_cont = (len & 0x07) | 0x10;
-
-       value[0] = addr;
-       value[1] = ser_cont;
-       for (i = 0; i < len; i++)
-               value[i + 2] = buf[i];
-
-       for (retries = 5;;) {
-               rc = usb_control_msg(usbvision->dev,
-                                    usb_sndctrlpipe(usbvision->dev, 1),
-                                    USBVISION_OP_CODE,
-                                    USB_DIR_OUT | USB_TYPE_VENDOR |
-                                    USB_RECIP_ENDPOINT, 0,
-                                    (__u16) USBVISION_SER_ADRS, value,
-                                    len + 2, HZ);
-
-               if (rc < 0)
-                       return rc;
-
-               rc = usbvision_write_reg(usbvision, USBVISION_SER_CONT,
-                                     (len & 0x07) | 0x10);
-               if (rc < 0)
-                       return rc;
-
-               /* Test for Busy and ACK */
-               do {
-                       rc = usbvision_read_reg(usbvision, USBVISION_SER_CONT);
-               } while (rc > 0 && ((rc & 0x10) != 0)); /* Retry while busy */
-               if (rc < 0)
-                       return rc;
-
-               if ((rc & 0x20) == 0)   /* Ack? */
-                       break;
-
-               /* I2C abort */
-               usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x00);
-
-               if (--retries < 0)
-                       return -1;
-
-       }
-
-       if (i2c_debug & DBG_I2C) {
-               int idx;
-
-               for (idx = 0; idx < len; idx++)
-                       PDEBUG(DBG_I2C, "wrote %x at address %x", (unsigned char)buf[idx], addr);
-       }
-       return len;
-}
-
-static int usbvision_i2c_write(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
-                           short len)
-{
-       char *buf_ptr = buf;
-       int retval;
-       int wrcount = 0;
-       int count;
-       int max_len = 4;
-
-       while (len > 0) {
-               count = (len > max_len) ? max_len : len;
-               retval = usbvision_i2c_write_max4(usbvision, addr, buf_ptr, count);
-               if (retval > 0) {
-                       len -= count;
-                       buf_ptr += count;
-                       wrcount += count;
-               } else
-                       return (retval < 0) ? retval : -EFAULT;
-       }
-       return wrcount;
-}
-
-static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
-                          short len)
-{
-       char temp[4];
-       int retval, i;
-       int rdcount = 0;
-       int count;
-
-       while (len > 0) {
-               count = (len > 3) ? 4 : len;
-               retval = usbvision_i2c_read_max4(usbvision, addr, temp, count);
-               if (retval > 0) {
-                       for (i = 0; i < len; i++)
-                               buf[rdcount + i] = temp[i];
-                       len -= count;
-                       rdcount += count;
-               } else
-                       return (retval < 0) ? retval : -EFAULT;
-       }
-       return rdcount;
-}
-
-static const struct i2c_adapter i2c_adap_template = {
-       .owner = THIS_MODULE,
-       .name              = "usbvision",
-};
diff --git a/drivers/staging/media/usbvision/usbvision-video.c b/drivers/staging/media/usbvision/usbvision-video.c
deleted file mode 100644 (file)
index 3ea25fd..0000000
+++ /dev/null
@@ -1,1643 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * USB USBVISION Video device driver 0.9.10
- *
- * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
- *
- * This module is part of usbvision driver project.
- *
- * Let's call the version 0.... until compression decoding is completely
- * implemented.
- *
- * This driver is written by Jose Ignacio Gijon and Joerg Heckenbach.
- * It was based on USB CPiA driver written by Peter Pregler,
- * Scott J. Bertin and Johannes Erdfelt
- * Ideas are taken from bttv driver by Ralph Metzler, Marcus Metzler &
- * Gerd Knorr and zoran 36120/36125 driver by Pauline Middelink
- * Updates to driver completed by Dwaine P. Garden
- *
- * TODO:
- *     - use submit_urb for all setup packets
- *     - Fix memory settings for nt1004. It is 4 times as big as the
- *       nt1003 memory.
- *     - Add audio on endpoint 3 for nt1004 chip.
- *         Seems impossible, needs a codec interface.  Which one?
- *     - Clean up the driver.
- *     - optimization for performance.
- *     - Add Videotext capability (VBI).  Working on it.....
- *     - Check audio for other devices
- */
-
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/highmem.h>
-#include <linux/vmalloc.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/videodev2.h>
-#include <linux/i2c.h>
-
-#include <media/i2c/saa7115.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-event.h>
-#include <media/tuner.h>
-
-#include <linux/workqueue.h>
-
-#include "usbvision.h"
-#include "usbvision-cards.h"
-
-#define DRIVER_AUTHOR                                  \
-       "Joerg Heckenbach <joerg@heckenbach-aw.de>, "   \
-       "Dwaine Garden <DwaineGarden@rogers.com>"
-#define DRIVER_NAME "usbvision"
-#define DRIVER_ALIAS "USBVision"
-#define DRIVER_DESC "USBVision USB Video Device Driver for Linux"
-#define USBVISION_VERSION_STRING "0.9.11"
-
-#define        ENABLE_HEXDUMP  0       /* Enable if you need it */
-
-
-#ifdef USBVISION_DEBUG
-       #define PDEBUG(level, fmt, args...) { \
-               if (video_debug & (level)) \
-                       printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \
-                               __func__, __LINE__ , ## args); \
-       }
-#else
-       #define PDEBUG(level, fmt, args...) do {} while (0)
-#endif
-
-#define DBG_IO         (1 << 1)
-#define DBG_PROBE      (1 << 2)
-#define DBG_MMAP       (1 << 3)
-
-/* String operations */
-#define rmspace(str)   while (*str == ' ') str++;
-#define goto2next(str) while (*str != ' ') str++; while (*str == ' ') str++;
-
-
-/* sequential number of usbvision device */
-static int usbvision_nr;
-
-static struct usbvision_v4l2_format_st usbvision_v4l2_format[] = {
-       { 1, 1,  8, V4L2_PIX_FMT_GREY },
-       { 1, 2, 16, V4L2_PIX_FMT_RGB565 },
-       { 1, 3, 24, V4L2_PIX_FMT_RGB24 },
-       { 1, 4, 32, V4L2_PIX_FMT_RGB32 },
-       { 1, 2, 16, V4L2_PIX_FMT_RGB555 },
-       { 1, 2, 16, V4L2_PIX_FMT_YUYV },
-       { 1, 2, 12, V4L2_PIX_FMT_YVU420 }, /* 1.5 ! */
-       { 1, 2, 16, V4L2_PIX_FMT_YUV422P }
-};
-
-/* Function prototypes */
-static void usbvision_release(struct usb_usbvision *usbvision);
-
-/* Default initialization of device driver parameters */
-/* Set the default format for ISOC endpoint */
-static int isoc_mode = ISOC_MODE_COMPRESS;
-/* Set the default Debug Mode of the device driver */
-static int video_debug;
-/* Sequential Number of Video Device */
-static int video_nr = -1;
-/* Sequential Number of Radio Device */
-static int radio_nr = -1;
-
-/* Grab parameters for the device driver */
-
-/* Showing parameters under SYSFS */
-module_param(isoc_mode, int, 0444);
-module_param(video_debug, int, 0444);
-module_param(video_nr, int, 0444);
-module_param(radio_nr, int, 0444);
-
-MODULE_PARM_DESC(isoc_mode, " Set the default format for ISOC endpoint.  Default: 0x60 (Compression On)");
-MODULE_PARM_DESC(video_debug, " Set the default Debug Mode of the device driver.  Default: 0 (Off)");
-MODULE_PARM_DESC(video_nr, "Set video device number (/dev/videoX).  Default: -1 (autodetect)");
-MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX).  Default: -1 (autodetect)");
-
-
-/* Misc stuff */
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(USBVISION_VERSION_STRING);
-MODULE_ALIAS(DRIVER_ALIAS);
-
-
-/*****************************************************************************/
-/* SYSFS Code - Copied from the stv680.c usb module.                        */
-/* Device information is located at /sys/class/video4linux/video0            */
-/* Device parameters information is located at /sys/module/usbvision         */
-/* Device USB Information is located at                                      */
-/*   /sys/bus/usb/drivers/USBVision Video Grabber                            */
-/*****************************************************************************/
-
-#define YES_NO(x) ((x) ? "Yes" : "No")
-
-static inline struct usb_usbvision *cd_to_usbvision(struct device *cd)
-{
-       struct video_device *vdev = to_video_device(cd);
-       return video_get_drvdata(vdev);
-}
-
-static ssize_t show_version(struct device *cd,
-                           struct device_attribute *attr, char *buf)
-{
-       return sprintf(buf, "%s\n", USBVISION_VERSION_STRING);
-}
-static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
-
-static ssize_t show_model(struct device *cd,
-                         struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       return sprintf(buf, "%s\n",
-                      usbvision_device_data[usbvision->dev_model].model_string);
-}
-static DEVICE_ATTR(model, S_IRUGO, show_model, NULL);
-
-static ssize_t show_hue(struct device *cd,
-                       struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
-                                                 V4L2_CID_HUE));
-
-       return sprintf(buf, "%d\n", val);
-}
-static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL);
-
-static ssize_t show_contrast(struct device *cd,
-                            struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
-                                                 V4L2_CID_CONTRAST));
-
-       return sprintf(buf, "%d\n", val);
-}
-static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL);
-
-static ssize_t show_brightness(struct device *cd,
-                              struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
-                                                 V4L2_CID_BRIGHTNESS));
-
-       return sprintf(buf, "%d\n", val);
-}
-static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL);
-
-static ssize_t show_saturation(struct device *cd,
-                              struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       s32 val = v4l2_ctrl_g_ctrl(v4l2_ctrl_find(&usbvision->hdl,
-                                                 V4L2_CID_SATURATION));
-
-       return sprintf(buf, "%d\n", val);
-}
-static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL);
-
-static ssize_t show_streaming(struct device *cd,
-                             struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       return sprintf(buf, "%s\n",
-                      YES_NO(usbvision->streaming == stream_on ? 1 : 0));
-}
-static DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL);
-
-static ssize_t show_compression(struct device *cd,
-                               struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       return sprintf(buf, "%s\n",
-                      YES_NO(usbvision->isoc_mode == ISOC_MODE_COMPRESS));
-}
-static DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL);
-
-static ssize_t show_device_bridge(struct device *cd,
-                                 struct device_attribute *attr, char *buf)
-{
-       struct video_device *vdev = to_video_device(cd);
-       struct usb_usbvision *usbvision = video_get_drvdata(vdev);
-       return sprintf(buf, "%d\n", usbvision->bridge_type);
-}
-static DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL);
-
-static void usbvision_create_sysfs(struct video_device *vdev)
-{
-       int res;
-
-       if (!vdev)
-               return;
-       do {
-               res = device_create_file(&vdev->dev, &dev_attr_version);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_model);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_hue);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_contrast);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_brightness);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_saturation);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_streaming);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_compression);
-               if (res < 0)
-                       break;
-               res = device_create_file(&vdev->dev, &dev_attr_bridge);
-               if (res >= 0)
-                       return;
-       } while (0);
-
-       dev_err(&vdev->dev, "%s error: %d\n", __func__, res);
-}
-
-static void usbvision_remove_sysfs(struct video_device *vdev)
-{
-       if (vdev) {
-               device_remove_file(&vdev->dev, &dev_attr_version);
-               device_remove_file(&vdev->dev, &dev_attr_model);
-               device_remove_file(&vdev->dev, &dev_attr_hue);
-               device_remove_file(&vdev->dev, &dev_attr_contrast);
-               device_remove_file(&vdev->dev, &dev_attr_brightness);
-               device_remove_file(&vdev->dev, &dev_attr_saturation);
-               device_remove_file(&vdev->dev, &dev_attr_streaming);
-               device_remove_file(&vdev->dev, &dev_attr_compression);
-               device_remove_file(&vdev->dev, &dev_attr_bridge);
-       }
-}
-
-/*
- * usbvision_open()
- *
- * This is part of Video 4 Linux API. The driver can be opened by one
- * client only (checks internal counter 'usbvision->user'). The procedure
- * then allocates buffers needed for video processing.
- *
- */
-static int usbvision_v4l2_open(struct file *file)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int err_code = 0;
-
-       PDEBUG(DBG_IO, "open");
-
-       if (mutex_lock_interruptible(&usbvision->v4l2_lock))
-               return -ERESTARTSYS;
-
-       if (usbvision->remove_pending) {
-               err_code = -ENODEV;
-               goto unlock;
-       }
-       if (usbvision->user) {
-               err_code = -EBUSY;
-       } else {
-               err_code = v4l2_fh_open(file);
-               if (err_code)
-                       goto unlock;
-
-               /* Allocate memory for the scratch ring buffer */
-               err_code = usbvision_scratch_alloc(usbvision);
-               if (isoc_mode == ISOC_MODE_COMPRESS) {
-                       /* Allocate intermediate decompression buffers
-                          only if needed */
-                       err_code = usbvision_decompress_alloc(usbvision);
-               }
-               if (err_code) {
-                       /* Deallocate all buffers if trouble */
-                       usbvision_scratch_free(usbvision);
-                       usbvision_decompress_free(usbvision);
-               }
-       }
-
-       /* If so far no errors then we shall start the camera */
-       if (!err_code) {
-               /* Send init sequence only once, it's large! */
-               if (!usbvision->initialized) {
-                       int setup_ok = 0;
-                       setup_ok = usbvision_setup(usbvision, isoc_mode);
-                       if (setup_ok)
-                               usbvision->initialized = 1;
-                       else
-                               err_code = -EBUSY;
-               }
-
-               if (!err_code) {
-                       usbvision_begin_streaming(usbvision);
-                       err_code = usbvision_init_isoc(usbvision);
-                       /* device must be initialized before isoc transfer */
-                       usbvision_muxsel(usbvision, 0);
-
-                       /* prepare queues */
-                       usbvision_empty_framequeues(usbvision);
-                       usbvision->user++;
-               }
-       }
-
-unlock:
-       mutex_unlock(&usbvision->v4l2_lock);
-
-       PDEBUG(DBG_IO, "success");
-       return err_code;
-}
-
-/*
- * usbvision_v4l2_close()
- *
- * This is part of Video 4 Linux API. The procedure
- * stops streaming and deallocates all buffers that were earlier
- * allocated in usbvision_v4l2_open().
- *
- */
-static int usbvision_v4l2_close(struct file *file)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int r;
-
-       PDEBUG(DBG_IO, "close");
-
-       mutex_lock(&usbvision->v4l2_lock);
-       usbvision_audio_off(usbvision);
-       usbvision_restart_isoc(usbvision);
-       usbvision_stop_isoc(usbvision);
-
-       usbvision_decompress_free(usbvision);
-       usbvision_frames_free(usbvision);
-       usbvision_empty_framequeues(usbvision);
-       usbvision_scratch_free(usbvision);
-
-       usbvision->user--;
-       r = usbvision->remove_pending;
-       mutex_unlock(&usbvision->v4l2_lock);
-
-       if (r) {
-               printk(KERN_INFO "%s: Final disconnect\n", __func__);
-               usbvision_release(usbvision);
-               return 0;
-       }
-
-       PDEBUG(DBG_IO, "success");
-       return v4l2_fh_release(file);
-}
-
-
-/*
- * usbvision_ioctl()
- *
- * This is part of Video 4 Linux API. The procedure handles ioctl() calls.
- *
- */
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int vidioc_g_register(struct file *file, void *priv,
-                               struct v4l2_dbg_register *reg)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int err_code;
-
-       /* NT100x has a 8-bit register space */
-       err_code = usbvision_read_reg(usbvision, reg->reg&0xff);
-       if (err_code < 0) {
-               dev_err(&usbvision->vdev.dev,
-                       "%s: VIDIOC_DBG_G_REGISTER failed: error %d\n",
-                               __func__, err_code);
-               return err_code;
-       }
-       reg->val = err_code;
-       reg->size = 1;
-       return 0;
-}
-
-static int vidioc_s_register(struct file *file, void *priv,
-                               const struct v4l2_dbg_register *reg)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int err_code;
-
-       /* NT100x has a 8-bit register space */
-       err_code = usbvision_write_reg(usbvision, reg->reg & 0xff, reg->val);
-       if (err_code < 0) {
-               dev_err(&usbvision->vdev.dev,
-                       "%s: VIDIOC_DBG_S_REGISTER failed: error %d\n",
-                               __func__, err_code);
-               return err_code;
-       }
-       return 0;
-}
-#endif
-
-static int vidioc_querycap(struct file *file, void  *priv,
-                                       struct v4l2_capability *vc)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       if (!usbvision->dev)
-               return -ENODEV;
-
-       strscpy(vc->driver, "USBVision", sizeof(vc->driver));
-       strscpy(vc->card,
-               usbvision_device_data[usbvision->dev_model].model_string,
-               sizeof(vc->card));
-       usb_make_path(usbvision->dev, vc->bus_info, sizeof(vc->bus_info));
-       vc->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
-                          V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
-       if (usbvision_device_data[usbvision->dev_model].radio)
-               vc->capabilities |= V4L2_CAP_RADIO;
-       if (usbvision->have_tuner)
-               vc->capabilities |= V4L2_CAP_TUNER;
-       return 0;
-}
-
-static int vidioc_enum_input(struct file *file, void *priv,
-                               struct v4l2_input *vi)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int chan;
-
-       if (vi->index >= usbvision->video_inputs)
-               return -EINVAL;
-       if (usbvision->have_tuner)
-               chan = vi->index;
-       else
-               chan = vi->index + 1; /* skip Television string*/
-
-       /* Determine the requested input characteristics
-          specific for each usbvision card model */
-       switch (chan) {
-       case 0:
-               if (usbvision_device_data[usbvision->dev_model].video_channels == 4) {
-                       strscpy(vi->name, "White Video Input", sizeof(vi->name));
-               } else {
-                       strscpy(vi->name, "Television", sizeof(vi->name));
-                       vi->type = V4L2_INPUT_TYPE_TUNER;
-                       vi->tuner = chan;
-                       vi->std = USBVISION_NORMS;
-               }
-               break;
-       case 1:
-               vi->type = V4L2_INPUT_TYPE_CAMERA;
-               if (usbvision_device_data[usbvision->dev_model].video_channels == 4)
-                       strscpy(vi->name, "Green Video Input", sizeof(vi->name));
-               else
-                       strscpy(vi->name, "Composite Video Input",
-                               sizeof(vi->name));
-               vi->std = USBVISION_NORMS;
-               break;
-       case 2:
-               vi->type = V4L2_INPUT_TYPE_CAMERA;
-               if (usbvision_device_data[usbvision->dev_model].video_channels == 4)
-                       strscpy(vi->name, "Yellow Video Input", sizeof(vi->name));
-               else
-                       strscpy(vi->name, "S-Video Input", sizeof(vi->name));
-               vi->std = USBVISION_NORMS;
-               break;
-       case 3:
-               vi->type = V4L2_INPUT_TYPE_CAMERA;
-               strscpy(vi->name, "Red Video Input", sizeof(vi->name));
-               vi->std = USBVISION_NORMS;
-               break;
-       }
-       return 0;
-}
-
-static int vidioc_g_input(struct file *file, void *priv, unsigned int *input)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       *input = usbvision->ctl_input;
-       return 0;
-}
-
-static int vidioc_s_input(struct file *file, void *priv, unsigned int input)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       if (input >= usbvision->video_inputs)
-               return -EINVAL;
-
-       usbvision_muxsel(usbvision, input);
-       usbvision_set_input(usbvision);
-       usbvision_set_output(usbvision,
-                            usbvision->curwidth,
-                            usbvision->curheight);
-       return 0;
-}
-
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       usbvision->tvnorm_id = id;
-
-       call_all(usbvision, video, s_std, usbvision->tvnorm_id);
-       /* propagate the change to the decoder */
-       usbvision_muxsel(usbvision, usbvision->ctl_input);
-
-       return 0;
-}
-
-static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       *id = usbvision->tvnorm_id;
-       return 0;
-}
-
-static int vidioc_g_tuner(struct file *file, void *priv,
-                               struct v4l2_tuner *vt)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       if (vt->index)  /* Only tuner 0 */
-               return -EINVAL;
-       if (vt->type == V4L2_TUNER_RADIO)
-               strscpy(vt->name, "Radio", sizeof(vt->name));
-       else
-               strscpy(vt->name, "Television", sizeof(vt->name));
-
-       /* Let clients fill in the remainder of this struct */
-       call_all(usbvision, tuner, g_tuner, vt);
-
-       return 0;
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv,
-                               const struct v4l2_tuner *vt)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       /* Only one tuner for now */
-       if (vt->index)
-               return -EINVAL;
-       /* let clients handle this */
-       call_all(usbvision, tuner, s_tuner, vt);
-
-       return 0;
-}
-
-static int vidioc_g_frequency(struct file *file, void *priv,
-                               struct v4l2_frequency *freq)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       /* Only one tuner */
-       if (freq->tuner)
-               return -EINVAL;
-       if (freq->type == V4L2_TUNER_RADIO)
-               freq->frequency = usbvision->radio_freq;
-       else
-               freq->frequency = usbvision->tv_freq;
-
-       return 0;
-}
-
-static int vidioc_s_frequency(struct file *file, void *priv,
-                               const struct v4l2_frequency *freq)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       struct v4l2_frequency new_freq = *freq;
-
-       /* Only one tuner for now */
-       if (freq->tuner)
-               return -EINVAL;
-
-       call_all(usbvision, tuner, s_frequency, freq);
-       call_all(usbvision, tuner, g_frequency, &new_freq);
-       if (freq->type == V4L2_TUNER_RADIO)
-               usbvision->radio_freq = new_freq.frequency;
-       else
-               usbvision->tv_freq = new_freq.frequency;
-
-       return 0;
-}
-
-static int vidioc_reqbufs(struct file *file,
-                          void *priv, struct v4l2_requestbuffers *vr)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int ret;
-
-       RESTRICT_TO_RANGE(vr->count, 1, USBVISION_NUMFRAMES);
-
-       /* Check input validity:
-          the user must do a VIDEO CAPTURE and MMAP method. */
-       if (vr->memory != V4L2_MEMORY_MMAP)
-               return -EINVAL;
-
-       if (usbvision->streaming == stream_on) {
-               ret = usbvision_stream_interrupt(usbvision);
-               if (ret)
-                       return ret;
-       }
-
-       usbvision_frames_free(usbvision);
-       usbvision_empty_framequeues(usbvision);
-       vr->count = usbvision_frames_alloc(usbvision, vr->count);
-
-       usbvision->cur_frame = NULL;
-
-       return 0;
-}
-
-static int vidioc_querybuf(struct file *file,
-                           void *priv, struct v4l2_buffer *vb)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       struct usbvision_frame *frame;
-
-       /* FIXME : must control
-          that buffers are mapped (VIDIOC_REQBUFS has been called) */
-       if (vb->index >= usbvision->num_frames)
-               return -EINVAL;
-       /* Updating the corresponding frame state */
-       vb->flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-       frame = &usbvision->frame[vb->index];
-       if (frame->grabstate >= frame_state_ready)
-               vb->flags |= V4L2_BUF_FLAG_QUEUED;
-       if (frame->grabstate >= frame_state_done)
-               vb->flags |= V4L2_BUF_FLAG_DONE;
-       if (frame->grabstate == frame_state_unused)
-               vb->flags |= V4L2_BUF_FLAG_MAPPED;
-       vb->memory = V4L2_MEMORY_MMAP;
-
-       vb->m.offset = vb->index * PAGE_ALIGN(usbvision->max_frame_size);
-
-       vb->memory = V4L2_MEMORY_MMAP;
-       vb->field = V4L2_FIELD_NONE;
-       vb->length = usbvision->curwidth *
-               usbvision->curheight *
-               usbvision->palette.bytes_per_pixel;
-       v4l2_buffer_set_timestamp(vb, usbvision->frame[vb->index].ts);
-       vb->sequence = usbvision->frame[vb->index].sequence;
-       return 0;
-}
-
-static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *vb)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       struct usbvision_frame *frame;
-       unsigned long lock_flags;
-
-       /* FIXME : works only on VIDEO_CAPTURE MODE, MMAP. */
-       if (vb->index >= usbvision->num_frames)
-               return -EINVAL;
-
-       frame = &usbvision->frame[vb->index];
-
-       if (frame->grabstate != frame_state_unused)
-               return -EAGAIN;
-
-       /* Mark it as ready and enqueue frame */
-       frame->grabstate = frame_state_ready;
-       frame->scanstate = scan_state_scanning;
-       frame->scanlength = 0;  /* Accumulated in usbvision_parse_data() */
-
-       vb->flags &= ~V4L2_BUF_FLAG_DONE;
-
-       /* set v4l2_format index */
-       frame->v4l2_format = usbvision->palette;
-
-       spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
-       list_add_tail(&usbvision->frame[vb->index].frame, &usbvision->inqueue);
-       spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
-
-       return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *vb)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int ret;
-       struct usbvision_frame *f;
-       unsigned long lock_flags;
-
-       if (list_empty(&(usbvision->outqueue))) {
-               if (usbvision->streaming == stream_idle)
-                       return -EINVAL;
-               ret = wait_event_interruptible
-                       (usbvision->wait_frame,
-                        !list_empty(&(usbvision->outqueue)));
-               if (ret)
-                       return ret;
-       }
-
-       spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
-       f = list_entry(usbvision->outqueue.next,
-                      struct usbvision_frame, frame);
-       list_del(usbvision->outqueue.next);
-       spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
-
-       f->grabstate = frame_state_unused;
-
-       vb->memory = V4L2_MEMORY_MMAP;
-       vb->flags = V4L2_BUF_FLAG_MAPPED |
-               V4L2_BUF_FLAG_QUEUED |
-               V4L2_BUF_FLAG_DONE |
-               V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-       vb->index = f->index;
-       vb->sequence = f->sequence;
-       v4l2_buffer_set_timestamp(vb, f->ts);
-       vb->field = V4L2_FIELD_NONE;
-       vb->bytesused = f->scanlength;
-
-       return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       usbvision->streaming = stream_on;
-       call_all(usbvision, video, s_stream, 1);
-
-       return 0;
-}
-
-static int vidioc_streamoff(struct file *file,
-                           void *priv, enum v4l2_buf_type type)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-               return -EINVAL;
-
-       if (usbvision->streaming == stream_on) {
-               usbvision_stream_interrupt(usbvision);
-               /* Stop all video streamings */
-               call_all(usbvision, video, s_stream, 0);
-       }
-       usbvision_empty_framequeues(usbvision);
-
-       return 0;
-}
-
-static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
-                                       struct v4l2_fmtdesc *vfd)
-{
-       if (vfd->index >= USBVISION_SUPPORTED_PALETTES - 1)
-               return -EINVAL;
-       vfd->pixelformat = usbvision_v4l2_format[vfd->index].format;
-       return 0;
-}
-
-static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
-                                       struct v4l2_format *vf)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       vf->fmt.pix.width = usbvision->curwidth;
-       vf->fmt.pix.height = usbvision->curheight;
-       vf->fmt.pix.pixelformat = usbvision->palette.format;
-       vf->fmt.pix.bytesperline =
-               usbvision->curwidth * usbvision->palette.bytes_per_pixel;
-       vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline * usbvision->curheight;
-       vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
-       vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */
-
-       return 0;
-}
-
-static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
-                              struct v4l2_format *vf)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int format_idx;
-
-       /* Find requested format in available ones */
-       for (format_idx = 0; format_idx < USBVISION_SUPPORTED_PALETTES; format_idx++) {
-               if (vf->fmt.pix.pixelformat ==
-                  usbvision_v4l2_format[format_idx].format) {
-                       usbvision->palette = usbvision_v4l2_format[format_idx];
-                       break;
-               }
-       }
-       /* robustness */
-       if (format_idx == USBVISION_SUPPORTED_PALETTES)
-               return -EINVAL;
-       RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH);
-       RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT);
-
-       vf->fmt.pix.bytesperline = vf->fmt.pix.width*
-               usbvision->palette.bytes_per_pixel;
-       vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height;
-       vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
-       vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */
-
-       return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-                              struct v4l2_format *vf)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int ret;
-
-       ret = vidioc_try_fmt_vid_cap(file, priv, vf);
-       if (ret)
-               return ret;
-
-       /* stop io in case it is already in progress */
-       if (usbvision->streaming == stream_on) {
-               ret = usbvision_stream_interrupt(usbvision);
-               if (ret)
-                       return ret;
-       }
-       usbvision_frames_free(usbvision);
-       usbvision_empty_framequeues(usbvision);
-
-       usbvision->cur_frame = NULL;
-
-       /* by now we are committed to the new data... */
-       usbvision_set_output(usbvision, vf->fmt.pix.width, vf->fmt.pix.height);
-
-       return 0;
-}
-
-static ssize_t usbvision_read(struct file *file, char __user *buf,
-                     size_t count, loff_t *ppos)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int noblock = file->f_flags & O_NONBLOCK;
-       unsigned long lock_flags;
-       int ret, i;
-       struct usbvision_frame *frame;
-
-       PDEBUG(DBG_IO, "%s: %ld bytes, noblock=%d", __func__,
-              (unsigned long)count, noblock);
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision) || !buf)
-               return -EFAULT;
-
-       /* This entry point is compatible with the mmap routines
-          so that a user can do either VIDIOC_QBUF/VIDIOC_DQBUF
-          to get frames or call read on the device. */
-       if (!usbvision->num_frames) {
-               /* First, allocate some frames to work with
-                  if this has not been done with VIDIOC_REQBUF */
-               usbvision_frames_free(usbvision);
-               usbvision_empty_framequeues(usbvision);
-               usbvision_frames_alloc(usbvision, USBVISION_NUMFRAMES);
-       }
-
-       if (usbvision->streaming != stream_on) {
-               /* no stream is running, make it running ! */
-               usbvision->streaming = stream_on;
-               call_all(usbvision, video, s_stream, 1);
-       }
-
-       /* Then, enqueue as many frames as possible
-          (like a user of VIDIOC_QBUF would do) */
-       for (i = 0; i < usbvision->num_frames; i++) {
-               frame = &usbvision->frame[i];
-               if (frame->grabstate == frame_state_unused) {
-                       /* Mark it as ready and enqueue frame */
-                       frame->grabstate = frame_state_ready;
-                       frame->scanstate = scan_state_scanning;
-                       /* Accumulated in usbvision_parse_data() */
-                       frame->scanlength = 0;
-
-                       /* set v4l2_format index */
-                       frame->v4l2_format = usbvision->palette;
-
-                       spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
-                       list_add_tail(&frame->frame, &usbvision->inqueue);
-                       spin_unlock_irqrestore(&usbvision->queue_lock,
-                                              lock_flags);
-               }
-       }
-
-       /* Then try to steal a frame (like a VIDIOC_DQBUF would do) */
-       if (list_empty(&(usbvision->outqueue))) {
-               if (noblock)
-                       return -EAGAIN;
-
-               ret = wait_event_interruptible
-                       (usbvision->wait_frame,
-                        !list_empty(&(usbvision->outqueue)));
-               if (ret)
-                       return ret;
-       }
-
-       spin_lock_irqsave(&usbvision->queue_lock, lock_flags);
-       frame = list_entry(usbvision->outqueue.next,
-                          struct usbvision_frame, frame);
-       list_del(usbvision->outqueue.next);
-       spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);
-
-       /* An error returns an empty frame */
-       if (frame->grabstate == frame_state_error) {
-               frame->bytes_read = 0;
-               return 0;
-       }
-
-       PDEBUG(DBG_IO, "%s: frmx=%d, bytes_read=%ld, scanlength=%ld",
-              __func__,
-              frame->index, frame->bytes_read, frame->scanlength);
-
-       /* copy bytes to user space; we allow for partials reads */
-       if ((count + frame->bytes_read) > (unsigned long)frame->scanlength)
-               count = frame->scanlength - frame->bytes_read;
-
-       if (copy_to_user(buf, frame->data + frame->bytes_read, count))
-               return -EFAULT;
-
-       frame->bytes_read += count;
-       PDEBUG(DBG_IO, "%s: {copy} count used=%ld, new bytes_read=%ld",
-              __func__,
-              (unsigned long)count, frame->bytes_read);
-
-       /*
-        * FIXME:
-        * For now, forget the frame if it has not been read in one shot.
-        */
-       frame->bytes_read = 0;
-
-       /* Mark it as available to be used again. */
-       frame->grabstate = frame_state_unused;
-
-       return count;
-}
-
-static ssize_t usbvision_v4l2_read(struct file *file, char __user *buf,
-                     size_t count, loff_t *ppos)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int res;
-
-       if (mutex_lock_interruptible(&usbvision->v4l2_lock))
-               return -ERESTARTSYS;
-       res = usbvision_read(file, buf, count, ppos);
-       mutex_unlock(&usbvision->v4l2_lock);
-       return res;
-}
-
-static int usbvision_mmap(struct file *file, struct vm_area_struct *vma)
-{
-       unsigned long size = vma->vm_end - vma->vm_start,
-               start = vma->vm_start;
-       void *pos;
-       u32 i;
-       struct usb_usbvision *usbvision = video_drvdata(file);
-
-       PDEBUG(DBG_MMAP, "mmap");
-
-       if (!USBVISION_IS_OPERATIONAL(usbvision))
-               return -EFAULT;
-
-       if (!(vma->vm_flags & VM_WRITE) ||
-           size != PAGE_ALIGN(usbvision->max_frame_size)) {
-               return -EINVAL;
-       }
-
-       for (i = 0; i < usbvision->num_frames; i++) {
-               if (((PAGE_ALIGN(usbvision->max_frame_size)*i) >> PAGE_SHIFT) ==
-                   vma->vm_pgoff)
-                       break;
-       }
-       if (i == usbvision->num_frames) {
-               PDEBUG(DBG_MMAP,
-                      "mmap: user supplied mapping address is out of range");
-               return -EINVAL;
-       }
-
-       /* VM_IO is eventually going to replace PageReserved altogether */
-       vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
-
-       pos = usbvision->frame[i].data;
-       while (size > 0) {
-               if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
-                       PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed");
-                       return -EAGAIN;
-               }
-               start += PAGE_SIZE;
-               pos += PAGE_SIZE;
-               size -= PAGE_SIZE;
-       }
-
-       return 0;
-}
-
-static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int res;
-
-       if (mutex_lock_interruptible(&usbvision->v4l2_lock))
-               return -ERESTARTSYS;
-       res = usbvision_mmap(file, vma);
-       mutex_unlock(&usbvision->v4l2_lock);
-       return res;
-}
-
-/*
- * Here comes the stuff for radio on usbvision based devices
- *
- */
-static int usbvision_radio_open(struct file *file)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int err_code = 0;
-
-       PDEBUG(DBG_IO, "%s:", __func__);
-
-       if (mutex_lock_interruptible(&usbvision->v4l2_lock))
-               return -ERESTARTSYS;
-
-       if (usbvision->remove_pending) {
-               err_code = -ENODEV;
-               goto out;
-       }
-       err_code = v4l2_fh_open(file);
-       if (err_code)
-               goto out;
-       if (usbvision->user) {
-               dev_err(&usbvision->rdev.dev,
-                       "%s: Someone tried to open an already opened USBVision Radio!\n",
-                               __func__);
-               err_code = -EBUSY;
-       } else {
-               /* Alternate interface 1 is is the biggest frame size */
-               err_code = usbvision_set_alternate(usbvision);
-               if (err_code < 0) {
-                       usbvision->last_error = err_code;
-                       err_code = -EBUSY;
-                       goto out;
-               }
-
-               /* If so far no errors then we shall start the radio */
-               usbvision->radio = 1;
-               call_all(usbvision, tuner, s_radio);
-               usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO);
-               usbvision->user++;
-       }
-out:
-       mutex_unlock(&usbvision->v4l2_lock);
-       return err_code;
-}
-
-
-static int usbvision_radio_close(struct file *file)
-{
-       struct usb_usbvision *usbvision = video_drvdata(file);
-       int r;
-
-       PDEBUG(DBG_IO, "");
-
-       mutex_lock(&usbvision->v4l2_lock);
-       /* Set packet size to 0 */
-       usbvision->iface_alt = 0;
-       if (usbvision->dev)
-               usb_set_interface(usbvision->dev, usbvision->iface,
-                                 usbvision->iface_alt);
-
-       usbvision_audio_off(usbvision);
-       usbvision->radio = 0;
-       usbvision->user--;
-       r = usbvision->remove_pending;
-       mutex_unlock(&usbvision->v4l2_lock);
-
-       if (r) {
-               printk(KERN_INFO "%s: Final disconnect\n", __func__);
-               v4l2_fh_release(file);
-               usbvision_release(usbvision);
-               return 0;
-       }
-
-       PDEBUG(DBG_IO, "success");
-       return v4l2_fh_release(file);
-}
-
-/* Video registration stuff */
-
-/* Video template */
-static const struct v4l2_file_operations usbvision_fops = {
-       .owner             = THIS_MODULE,
-       .open           = usbvision_v4l2_open,
-       .release        = usbvision_v4l2_close,
-       .read           = usbvision_v4l2_read,
-       .mmap           = usbvision_v4l2_mmap,
-       .unlocked_ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops usbvision_ioctl_ops = {
-       .vidioc_querycap      = vidioc_querycap,
-       .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
-       .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
-       .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
-       .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
-       .vidioc_reqbufs       = vidioc_reqbufs,
-       .vidioc_querybuf      = vidioc_querybuf,
-       .vidioc_qbuf          = vidioc_qbuf,
-       .vidioc_dqbuf         = vidioc_dqbuf,
-       .vidioc_s_std         = vidioc_s_std,
-       .vidioc_g_std         = vidioc_g_std,
-       .vidioc_enum_input    = vidioc_enum_input,
-       .vidioc_g_input       = vidioc_g_input,
-       .vidioc_s_input       = vidioc_s_input,
-       .vidioc_streamon      = vidioc_streamon,
-       .vidioc_streamoff     = vidioc_streamoff,
-       .vidioc_g_tuner       = vidioc_g_tuner,
-       .vidioc_s_tuner       = vidioc_s_tuner,
-       .vidioc_g_frequency   = vidioc_g_frequency,
-       .vidioc_s_frequency   = vidioc_s_frequency,
-       .vidioc_log_status    = v4l2_ctrl_log_status,
-       .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
-       .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-       .vidioc_g_register    = vidioc_g_register,
-       .vidioc_s_register    = vidioc_s_register,
-#endif
-};
-
-static struct video_device usbvision_video_template = {
-       .fops           = &usbvision_fops,
-       .ioctl_ops      = &usbvision_ioctl_ops,
-       .name           = "usbvision-video",
-       .release        = video_device_release_empty,
-       .tvnorms        = USBVISION_NORMS,
-};
-
-
-/* Radio template */
-static const struct v4l2_file_operations usbvision_radio_fops = {
-       .owner             = THIS_MODULE,
-       .open           = usbvision_radio_open,
-       .release        = usbvision_radio_close,
-       .poll           = v4l2_ctrl_poll,
-       .unlocked_ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops usbvision_radio_ioctl_ops = {
-       .vidioc_querycap      = vidioc_querycap,
-       .vidioc_g_tuner       = vidioc_g_tuner,
-       .vidioc_s_tuner       = vidioc_s_tuner,
-       .vidioc_g_frequency   = vidioc_g_frequency,
-       .vidioc_s_frequency   = vidioc_s_frequency,
-       .vidioc_log_status    = v4l2_ctrl_log_status,
-       .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
-       .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-};
-
-static struct video_device usbvision_radio_template = {
-       .fops           = &usbvision_radio_fops,
-       .name           = "usbvision-radio",
-       .release        = video_device_release_empty,
-       .ioctl_ops      = &usbvision_radio_ioctl_ops,
-};
-
-
-static void usbvision_vdev_init(struct usb_usbvision *usbvision,
-                               struct video_device *vdev,
-                               const struct video_device *vdev_template,
-                               const char *name)
-{
-       struct usb_device *usb_dev = usbvision->dev;
-
-       if (!usb_dev) {
-               dev_err(&usbvision->dev->dev,
-                       "%s: usbvision->dev is not set\n", __func__);
-               return;
-       }
-
-       *vdev = *vdev_template;
-       vdev->lock = &usbvision->v4l2_lock;
-       vdev->v4l2_dev = &usbvision->v4l2_dev;
-       snprintf(vdev->name, sizeof(vdev->name), "%s", name);
-       video_set_drvdata(vdev, usbvision);
-}
-
-/* unregister video4linux devices */
-static void usbvision_unregister_video(struct usb_usbvision *usbvision)
-{
-       /* Radio Device: */
-       if (video_is_registered(&usbvision->rdev)) {
-               PDEBUG(DBG_PROBE, "unregister %s [v4l2]",
-                      video_device_node_name(&usbvision->rdev));
-               video_unregister_device(&usbvision->rdev);
-       }
-
-       /* Video Device: */
-       if (video_is_registered(&usbvision->vdev)) {
-               PDEBUG(DBG_PROBE, "unregister %s [v4l2]",
-                      video_device_node_name(&usbvision->vdev));
-               video_unregister_device(&usbvision->vdev);
-       }
-}
-
-/* register video4linux devices */
-static int usbvision_register_video(struct usb_usbvision *usbvision)
-{
-       int res = -ENOMEM;
-
-       /* Video Device: */
-       usbvision_vdev_init(usbvision, &usbvision->vdev,
-                             &usbvision_video_template, "USBVision Video");
-       if (!usbvision->have_tuner) {
-               v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_G_FREQUENCY);
-               v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_S_TUNER);
-               v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_G_FREQUENCY);
-               v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_S_TUNER);
-       }
-       usbvision->vdev.device_caps = V4L2_CAP_VIDEO_CAPTURE |
-                                     V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
-       if (usbvision->have_tuner)
-               usbvision->vdev.device_caps |= V4L2_CAP_TUNER;
-
-       if (video_register_device(&usbvision->vdev, VFL_TYPE_VIDEO, video_nr) < 0)
-               goto err_exit;
-       printk(KERN_INFO "USBVision[%d]: registered USBVision Video device %s [v4l2]\n",
-              usbvision->nr, video_device_node_name(&usbvision->vdev));
-
-       /* Radio Device: */
-       if (usbvision_device_data[usbvision->dev_model].radio) {
-               /* usbvision has radio */
-               usbvision_vdev_init(usbvision, &usbvision->rdev,
-                             &usbvision_radio_template, "USBVision Radio");
-               usbvision->rdev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
-               if (video_register_device(&usbvision->rdev, VFL_TYPE_RADIO, radio_nr) < 0)
-                       goto err_exit;
-               printk(KERN_INFO "USBVision[%d]: registered USBVision Radio device %s [v4l2]\n",
-                      usbvision->nr, video_device_node_name(&usbvision->rdev));
-       }
-       /* all done */
-       return 0;
-
- err_exit:
-       dev_err(&usbvision->dev->dev,
-               "USBVision[%d]: video_register_device() failed\n",
-                       usbvision->nr);
-       usbvision_unregister_video(usbvision);
-       return res;
-}
-
-/*
- * usbvision_alloc()
- *
- * This code allocates the struct usb_usbvision.
- * It is filled with default values.
- *
- * Returns NULL on error, a pointer to usb_usbvision else.
- *
- */
-static struct usb_usbvision *usbvision_alloc(struct usb_device *dev,
-                                            struct usb_interface *intf)
-{
-       struct usb_usbvision *usbvision;
-
-       usbvision = kzalloc(sizeof(*usbvision), GFP_KERNEL);
-       if (!usbvision)
-               return NULL;
-
-       usbvision->dev = dev;
-       if (v4l2_device_register(&intf->dev, &usbvision->v4l2_dev))
-               goto err_free;
-
-       if (v4l2_ctrl_handler_init(&usbvision->hdl, 4))
-               goto err_unreg;
-       usbvision->v4l2_dev.ctrl_handler = &usbvision->hdl;
-       mutex_init(&usbvision->v4l2_lock);
-
-       /* prepare control urb for control messages during interrupts */
-       usbvision->ctrl_urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
-       if (!usbvision->ctrl_urb)
-               goto err_unreg;
-
-       return usbvision;
-
-err_unreg:
-       v4l2_ctrl_handler_free(&usbvision->hdl);
-       v4l2_device_unregister(&usbvision->v4l2_dev);
-err_free:
-       kfree(usbvision);
-       return NULL;
-}
-
-/*
- * usbvision_release()
- *
- * This code does final release of struct usb_usbvision. This happens
- * after the device is disconnected -and- all clients closed their files.
- *
- */
-static void usbvision_release(struct usb_usbvision *usbvision)
-{
-       PDEBUG(DBG_PROBE, "");
-
-       usbvision->initialized = 0;
-
-       usbvision_remove_sysfs(&usbvision->vdev);
-       usbvision_unregister_video(usbvision);
-       kfree(usbvision->alt_max_pkt_size);
-
-       usb_free_urb(usbvision->ctrl_urb);
-
-       v4l2_ctrl_handler_free(&usbvision->hdl);
-       v4l2_device_unregister(&usbvision->v4l2_dev);
-       kfree(usbvision);
-
-       PDEBUG(DBG_PROBE, "success");
-}
-
-
-/*********************** usb interface **********************************/
-
-static void usbvision_configure_video(struct usb_usbvision *usbvision)
-{
-       int model;
-
-       if (!usbvision)
-               return;
-
-       model = usbvision->dev_model;
-       usbvision->palette = usbvision_v4l2_format[2]; /* V4L2_PIX_FMT_RGB24; */
-
-       if (usbvision_device_data[usbvision->dev_model].vin_reg2_override) {
-               usbvision->vin_reg2_preset =
-                       usbvision_device_data[usbvision->dev_model].vin_reg2;
-       } else {
-               usbvision->vin_reg2_preset = 0;
-       }
-
-       usbvision->tvnorm_id = usbvision_device_data[model].video_norm;
-       usbvision->video_inputs = usbvision_device_data[model].video_channels;
-       usbvision->ctl_input = 0;
-       usbvision->radio_freq = 87.5 * 16000;
-       usbvision->tv_freq = 400 * 16;
-
-       /* This should be here to make i2c clients to be able to register */
-       /* first switch off audio */
-       if (usbvision_device_data[model].audio_channels > 0)
-               usbvision_audio_off(usbvision);
-       /* and then power up the tuner */
-       usbvision_power_on(usbvision);
-       usbvision_i2c_register(usbvision);
-}
-
-/*
- * usbvision_probe()
- *
- * This procedure queries device descriptor and accepts the interface
- * if it looks like USBVISION video device
- *
- */
-static int usbvision_probe(struct usb_interface *intf,
-                          const struct usb_device_id *devid)
-{
-       struct usb_device *dev = usb_get_dev(interface_to_usbdev(intf));
-       struct usb_interface *uif;
-       __u8 ifnum = intf->altsetting->desc.bInterfaceNumber;
-       const struct usb_host_interface *interface;
-       struct usb_usbvision *usbvision = NULL;
-       const struct usb_endpoint_descriptor *endpoint;
-       int model, i, ret;
-
-       PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u",
-                               le16_to_cpu(dev->descriptor.idVendor),
-                               le16_to_cpu(dev->descriptor.idProduct), ifnum);
-
-       model = devid->driver_info;
-       if (model < 0 || model >= usbvision_device_data_size) {
-               PDEBUG(DBG_PROBE, "model out of bounds %d", model);
-               ret = -ENODEV;
-               goto err_usb;
-       }
-       printk(KERN_INFO "%s: %s found\n", __func__,
-                               usbvision_device_data[model].model_string);
-
-       if (usbvision_device_data[model].interface >= 0)
-               interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0];
-       else if (ifnum < dev->actconfig->desc.bNumInterfaces)
-               interface = &dev->actconfig->interface[ifnum]->altsetting[0];
-       else {
-               dev_err(&intf->dev, "interface %d is invalid, max is %d\n",
-                   ifnum, dev->actconfig->desc.bNumInterfaces - 1);
-               ret = -ENODEV;
-               goto err_usb;
-       }
-
-       if (interface->desc.bNumEndpoints < 2) {
-               dev_err(&intf->dev, "interface %d has %d endpoints, but must have minimum 2\n",
-                       ifnum, interface->desc.bNumEndpoints);
-               ret = -ENODEV;
-               goto err_usb;
-       }
-       endpoint = &interface->endpoint[1].desc;
-
-       if (!usb_endpoint_xfer_isoc(endpoint)) {
-               dev_err(&intf->dev, "%s: interface %d. has non-ISO endpoint!\n",
-                   __func__, ifnum);
-               dev_err(&intf->dev, "%s: Endpoint attributes %d",
-                   __func__, endpoint->bmAttributes);
-               ret = -ENODEV;
-               goto err_usb;
-       }
-       if (usb_endpoint_dir_out(endpoint)) {
-               dev_err(&intf->dev, "%s: interface %d. has ISO OUT endpoint!\n",
-                   __func__, ifnum);
-               ret = -ENODEV;
-               goto err_usb;
-       }
-
-       usbvision = usbvision_alloc(dev, intf);
-       if (!usbvision) {
-               dev_err(&intf->dev, "%s: couldn't allocate USBVision struct\n", __func__);
-               ret = -ENOMEM;
-               goto err_usb;
-       }
-
-       if (dev->descriptor.bNumConfigurations > 1)
-               usbvision->bridge_type = BRIDGE_NT1004;
-       else if (model == DAZZLE_DVC_90_REV_1_SECAM)
-               usbvision->bridge_type = BRIDGE_NT1005;
-       else
-               usbvision->bridge_type = BRIDGE_NT1003;
-       PDEBUG(DBG_PROBE, "bridge_type %d", usbvision->bridge_type);
-
-       /* compute alternate max packet sizes */
-       uif = dev->actconfig->interface[0];
-
-       usbvision->num_alt = uif->num_altsetting;
-       PDEBUG(DBG_PROBE, "Alternate settings: %i", usbvision->num_alt);
-       usbvision->alt_max_pkt_size = kmalloc_array(32, usbvision->num_alt,
-                                                   GFP_KERNEL);
-       if (!usbvision->alt_max_pkt_size) {
-               ret = -ENOMEM;
-               goto err_pkt;
-       }
-
-       for (i = 0; i < usbvision->num_alt; i++) {
-               u16 tmp;
-
-               if (uif->altsetting[i].desc.bNumEndpoints < 2) {
-                       ret = -ENODEV;
-                       goto err_pkt;
-               }
-
-               tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
-                                     wMaxPacketSize);
-               usbvision->alt_max_pkt_size[i] =
-                       (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
-               PDEBUG(DBG_PROBE, "Alternate setting %i, max size= %i", i,
-                      usbvision->alt_max_pkt_size[i]);
-       }
-
-
-       usbvision->nr = usbvision_nr++;
-
-       spin_lock_init(&usbvision->queue_lock);
-       init_waitqueue_head(&usbvision->wait_frame);
-       init_waitqueue_head(&usbvision->wait_stream);
-
-       usbvision->have_tuner = usbvision_device_data[model].tuner;
-       if (usbvision->have_tuner)
-               usbvision->tuner_type = usbvision_device_data[model].tuner_type;
-
-       usbvision->dev_model = model;
-       usbvision->remove_pending = 0;
-       usbvision->iface = ifnum;
-       usbvision->iface_alt = 0;
-       usbvision->video_endp = endpoint->bEndpointAddress;
-       usbvision->isoc_packet_size = 0;
-       usbvision->usb_bandwidth = 0;
-       usbvision->user = 0;
-       usbvision->streaming = stream_off;
-       usbvision_configure_video(usbvision);
-       usbvision_register_video(usbvision);
-
-       usbvision_create_sysfs(&usbvision->vdev);
-
-       PDEBUG(DBG_PROBE, "success");
-       return 0;
-
-err_pkt:
-       usbvision_release(usbvision);
-err_usb:
-       usb_put_dev(dev);
-       return ret;
-}
-
-
-/*
- * usbvision_disconnect()
- *
- * This procedure stops all driver activity, deallocates interface-private
- * structure (pointed by 'ptr') and after that driver should be removable
- * with no ill consequences.
- *
- */
-static void usbvision_disconnect(struct usb_interface *intf)
-{
-       struct usb_usbvision *usbvision = to_usbvision(usb_get_intfdata(intf));
-       int u;
-
-       PDEBUG(DBG_PROBE, "");
-
-       if (!usbvision) {
-               pr_err("%s: usb_get_intfdata() failed\n", __func__);
-               return;
-       }
-
-       mutex_lock(&usbvision->v4l2_lock);
-
-       /* At this time we ask to cancel outstanding URBs */
-       usbvision_stop_isoc(usbvision);
-
-       v4l2_device_disconnect(&usbvision->v4l2_dev);
-       usbvision_i2c_unregister(usbvision);
-       usbvision->remove_pending = 1;  /* Now all ISO data will be ignored */
-       u = usbvision->user;
-
-       usb_put_dev(usbvision->dev);
-       usbvision->dev = NULL;  /* USB device is no more */
-
-       mutex_unlock(&usbvision->v4l2_lock);
-
-       if (u) {
-               printk(KERN_INFO "%s: In use, disconnect pending\n",
-                      __func__);
-               wake_up_interruptible(&usbvision->wait_frame);
-               wake_up_interruptible(&usbvision->wait_stream);
-       } else {
-               usbvision_release(usbvision);
-       }
-
-       PDEBUG(DBG_PROBE, "success");
-}
-
-static struct usb_driver usbvision_driver = {
-       .name           = "usbvision",
-       .id_table       = usbvision_table,
-       .probe          = usbvision_probe,
-       .disconnect     = usbvision_disconnect,
-};
-
-/*
- * usbvision_init()
- *
- * This code is run to initialize the driver.
- *
- */
-static int __init usbvision_init(void)
-{
-       int err_code;
-
-       PDEBUG(DBG_PROBE, "");
-
-       PDEBUG(DBG_IO,  "IO      debugging is enabled [video]");
-       PDEBUG(DBG_PROBE, "PROBE   debugging is enabled [video]");
-       PDEBUG(DBG_MMAP, "MMAP    debugging is enabled [video]");
-
-       /* disable planar mode support unless compression enabled */
-       if (isoc_mode != ISOC_MODE_COMPRESS) {
-               /* FIXME : not the right way to set supported flag */
-               usbvision_v4l2_format[6].supported = 0; /* V4L2_PIX_FMT_YVU420 */
-               usbvision_v4l2_format[7].supported = 0; /* V4L2_PIX_FMT_YUV422P */
-       }
-
-       err_code = usb_register(&usbvision_driver);
-
-       if (err_code == 0) {
-               printk(KERN_INFO DRIVER_DESC " : " USBVISION_VERSION_STRING "\n");
-               PDEBUG(DBG_PROBE, "success");
-       }
-       return err_code;
-}
-
-static void __exit usbvision_exit(void)
-{
-       PDEBUG(DBG_PROBE, "");
-
-       usb_deregister(&usbvision_driver);
-       PDEBUG(DBG_PROBE, "success");
-}
-
-module_init(usbvision_init);
-module_exit(usbvision_exit);
diff --git a/drivers/staging/media/usbvision/usbvision.h b/drivers/staging/media/usbvision/usbvision.h
deleted file mode 100644 (file)
index 1153957..0000000
+++ /dev/null
@@ -1,500 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * USBVISION.H
- *  usbvision header file
- *
- * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
- *                         Dwaine Garden <dwainegarden@rogers.com>
- *
- * Report problems to v4l MailingList: linux-media@vger.kernel.org
- *
- * This module is part of usbvision driver project.
- * Updates to driver completed by Dwaine P. Garden
- * v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
- */
-
-
-#ifndef __LINUX_USBVISION_H
-#define __LINUX_USBVISION_H
-
-#include <linux/list.h>
-#include <linux/usb.h>
-#include <linux/i2c.h>
-#include <linux/mutex.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ctrls.h>
-#include <media/tuner.h>
-#include <linux/videodev2.h>
-
-#define USBVISION_DEBUG                /* Turn on debug messages */
-
-#define USBVISION_PWR_REG              0x00
-       #define USBVISION_SSPND_EN              (1 << 1)
-       #define USBVISION_RES2                  (1 << 2)
-       #define USBVISION_PWR_VID               (1 << 5)
-       #define USBVISION_E2_EN                 (1 << 7)
-#define USBVISION_CONFIG_REG           0x01
-#define USBVISION_ADRS_REG             0x02
-#define USBVISION_ALTER_REG            0x03
-#define USBVISION_FORCE_ALTER_REG      0x04
-#define USBVISION_STATUS_REG           0x05
-#define USBVISION_IOPIN_REG            0x06
-       #define USBVISION_IO_1                  (1 << 0)
-       #define USBVISION_IO_2                  (1 << 1)
-       #define USBVISION_AUDIO_IN              0
-       #define USBVISION_AUDIO_TV              1
-       #define USBVISION_AUDIO_RADIO           2
-       #define USBVISION_AUDIO_MUTE            3
-#define USBVISION_SER_MODE             0x07
-       #define USBVISION_CLK_OUT               (1 << 0)
-       #define USBVISION_DAT_IO                (1 << 1)
-       #define USBVISION_SENS_OUT              (1 << 2)
-       #define USBVISION_SER_MODE_SOFT         (0 << 4)
-       #define USBVISION_SER_MODE_SIO          (1 << 4)
-#define USBVISION_SER_ADRS             0x08
-#define USBVISION_SER_CONT             0x09
-#define USBVISION_SER_DAT1             0x0A
-#define USBVISION_SER_DAT2             0x0B
-#define USBVISION_SER_DAT3             0x0C
-#define USBVISION_SER_DAT4             0x0D
-#define USBVISION_EE_DATA              0x0E
-#define USBVISION_EE_LSBAD             0x0F
-#define USBVISION_EE_CONT              0x10
-#define USBVISION_DRM_CONT                     0x12
-       #define USBVISION_REF                   (1 << 0)
-       #define USBVISION_RES_UR                (1 << 2)
-       #define USBVISION_RES_FDL               (1 << 3)
-       #define USBVISION_RES_VDW               (1 << 4)
-#define USBVISION_DRM_PRM1             0x13
-#define USBVISION_DRM_PRM2             0x14
-#define USBVISION_DRM_PRM3             0x15
-#define USBVISION_DRM_PRM4             0x16
-#define USBVISION_DRM_PRM5             0x17
-#define USBVISION_DRM_PRM6             0x18
-#define USBVISION_DRM_PRM7             0x19
-#define USBVISION_DRM_PRM8             0x1A
-#define USBVISION_VIN_REG1             0x1B
-       #define USBVISION_8_422_SYNC            0x01
-       #define USBVISION_16_422_SYNC           0x02
-       #define USBVISION_VSNC_POL              (1 << 3)
-       #define USBVISION_HSNC_POL              (1 << 4)
-       #define USBVISION_FID_POL               (1 << 5)
-       #define USBVISION_HVALID_PO             (1 << 6)
-       #define USBVISION_VCLK_POL              (1 << 7)
-#define USBVISION_VIN_REG2             0x1C
-       #define USBVISION_AUTO_FID              (1 << 0)
-       #define USBVISION_NONE_INTER            (1 << 1)
-       #define USBVISION_NOHVALID              (1 << 2)
-       #define USBVISION_UV_ID                 (1 << 3)
-       #define USBVISION_FIX_2C                (1 << 4)
-       #define USBVISION_SEND_FID              (1 << 5)
-       #define USBVISION_KEEP_BLANK            (1 << 7)
-#define USBVISION_LXSIZE_I             0x1D
-#define USBVISION_MXSIZE_I             0x1E
-#define USBVISION_LYSIZE_I             0x1F
-#define USBVISION_MYSIZE_I             0x20
-#define USBVISION_LX_OFFST             0x21
-#define USBVISION_MX_OFFST             0x22
-#define USBVISION_LY_OFFST             0x23
-#define USBVISION_MY_OFFST             0x24
-#define USBVISION_FRM_RATE             0x25
-#define USBVISION_LXSIZE_O             0x26
-#define USBVISION_MXSIZE_O             0x27
-#define USBVISION_LYSIZE_O             0x28
-#define USBVISION_MYSIZE_O             0x29
-#define USBVISION_FILT_CONT            0x2A
-#define USBVISION_VO_MODE              0x2B
-#define USBVISION_INTRA_CYC            0x2C
-#define USBVISION_STRIP_SZ             0x2D
-#define USBVISION_FORCE_INTRA          0x2E
-#define USBVISION_FORCE_UP             0x2F
-#define USBVISION_BUF_THR              0x30
-#define USBVISION_DVI_YUV              0x31
-#define USBVISION_AUDIO_CONT           0x32
-#define USBVISION_AUD_PK_LEN           0x33
-#define USBVISION_BLK_PK_LEN           0x34
-#define USBVISION_PCM_THR1             0x38
-#define USBVISION_PCM_THR2             0x39
-#define USBVISION_DIST_THR_L           0x3A
-#define USBVISION_DIST_THR_H           0x3B
-#define USBVISION_MAX_DIST_L           0x3C
-#define USBVISION_MAX_DIST_H           0x3D
-#define USBVISION_OP_CODE              0x33
-
-#define MAX_BYTES_PER_PIXEL            4
-
-#define MIN_FRAME_WIDTH                        64
-#define MAX_USB_WIDTH                  320  /* 384 */
-#define MAX_FRAME_WIDTH                        320  /* 384 */                  /* stretching sometimes causes crashes*/
-
-#define MIN_FRAME_HEIGHT               48
-#define MAX_USB_HEIGHT                 240  /* 288 */
-#define MAX_FRAME_HEIGHT               240  /* 288 */                  /* Stretching sometimes causes crashes*/
-
-#define MAX_FRAME_SIZE                 (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
-#define USBVISION_CLIPMASK_SIZE                (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */
-
-#define USBVISION_URB_FRAMES           32
-
-#define USBVISION_NUM_HEADERMARKER     20
-#define USBVISION_NUMFRAMES            3  /* Maximum number of frames an application can get */
-#define USBVISION_NUMSBUF              2 /* Dimensioning the USB S buffering */
-
-#define USBVISION_POWEROFF_TIME                (3 * HZ)                /* 3 seconds */
-
-
-#define FRAMERATE_MIN  0
-#define FRAMERATE_MAX  31
-
-enum {
-       ISOC_MODE_YUV422 = 0x03,
-       ISOC_MODE_YUV420 = 0x14,
-       ISOC_MODE_COMPRESS = 0x60,
-};
-
-/* This macro restricts an int variable to an inclusive range */
-#define RESTRICT_TO_RANGE(v, mi, ma) \
-       { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
-
-/*
- * We use macros to do YUV -> RGB conversion because this is
- * very important for speed and totally unimportant for size.
- *
- * YUV -> RGB Conversion
- * ---------------------
- *
- * B = 1.164*(Y-16)                + 2.018*(V-128)
- * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
- * R = 1.164*(Y-16) + 1.596*(U-128)
- *
- * If you fancy integer arithmetic (as you should), hear this:
- *
- * 65536*B = 76284*(Y-16)                + 132252*(V-128)
- * 65536*G = 76284*(Y-16) -  53281*(U-128) -  25625*(V-128)
- * 65536*R = 76284*(Y-16) + 104595*(U-128)
- *
- * Make sure the output values are within [0..255] range.
- */
-#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
-#define YUV_TO_RGB_BY_THE_BOOK(my, mu, mv, mr, mg, mb) { \
-       int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
-       mm_y = (my) - 16; \
-       mm_u = (mu) - 128; \
-       mm_v = (mv) - 128; \
-       mm_yc = mm_y * 76284; \
-       mm_b = (mm_yc + 132252 * mm_v) >> 16; \
-       mm_g = (mm_yc - 53281 * mm_u - 25625 * mm_v) >> 16; \
-       mm_r = (mm_yc + 104595 * mm_u) >> 16; \
-       mb = LIMIT_RGB(mm_b); \
-       mg = LIMIT_RGB(mm_g); \
-       mr = LIMIT_RGB(mm_r); \
-}
-
-/*
- * This macro checks if usbvision is still operational. The 'usbvision'
- * pointer must be valid, usbvision->dev must be valid, we are not
- * removing the device and the device has not erred on us.
- */
-#define USBVISION_IS_OPERATIONAL(udevice) (\
-       (udevice != NULL) && \
-       ((udevice)->dev != NULL) && \
-       ((udevice)->last_error == 0) && \
-       (!(udevice)->remove_pending))
-
-#define I2C_USB_ADAP_MAX       16
-
-#define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M)
-
-/* ----------------------------------------------------------------- */
-/* usbvision video structures                                        */
-/* ----------------------------------------------------------------- */
-enum scan_state {
-       scan_state_scanning,    /* Scanning for header */
-       scan_state_lines        /* Parsing lines */
-};
-
-/* Completion states of the data parser */
-enum parse_state {
-       parse_state_continue,   /* Just parse next item */
-       parse_state_next_frame, /* Frame done, send it to V4L */
-       parse_state_out,        /* Not enough data for frame */
-       parse_state_end_parse   /* End parsing */
-};
-
-enum frame_state {
-       frame_state_unused,     /* Unused (no MCAPTURE) */
-       frame_state_ready,      /* Ready to start grabbing */
-       frame_state_grabbing,   /* In the process of being grabbed into */
-       frame_state_done,       /* Finished grabbing, but not been synced yet */
-       frame_state_done_hold,  /* Are syncing or reading */
-       frame_state_error,      /* Something bad happened while processing */
-};
-
-/* stream states */
-enum stream_state {
-       stream_off,             /* Driver streaming is completely OFF */
-       stream_idle,            /* Driver streaming is ready to be put ON by the application */
-       stream_interrupt,       /* Driver streaming must be interrupted */
-       stream_on,              /* Driver streaming is put ON by the application */
-};
-
-enum isoc_state {
-       isoc_state_in_frame,    /* Isoc packet is member of frame */
-       isoc_state_no_frame,    /* Isoc packet is not member of any frame */
-};
-
-struct usb_device;
-
-struct usbvision_sbuf {
-       char *data;
-       struct urb *urb;
-};
-
-#define USBVISION_MAGIC_1                      0x55
-#define USBVISION_MAGIC_2                      0xAA
-#define USBVISION_HEADER_LENGTH                        0x0c
-#define USBVISION_SAA7111_ADDR                 0x48
-#define USBVISION_SAA7113_ADDR                 0x4a
-#define USBVISION_IIC_LRACK                    0x20
-#define USBVISION_IIC_LRNACK                   0x30
-#define USBVISION_FRAME_FORMAT_PARAM_INTRA     (1<<7)
-
-struct usbvision_v4l2_format_st {
-       int             supported;
-       int             bytes_per_pixel;
-       int             depth;
-       int             format;
-};
-#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
-
-struct usbvision_frame_header {
-       unsigned char magic_1;                          /* 0 magic */
-       unsigned char magic_2;                          /* 1  magic */
-       unsigned char header_length;                    /* 2 */
-       unsigned char frame_num;                        /* 3 */
-       unsigned char frame_phase;                      /* 4 */
-       unsigned char frame_latency;                    /* 5 */
-       unsigned char data_format;                      /* 6 */
-       unsigned char format_param;                     /* 7 */
-       unsigned char frame_width_lo;                   /* 8 */
-       unsigned char frame_width_hi;                   /* 9 */
-       unsigned char frame_height_lo;                  /* 10 */
-       unsigned char frame_height_hi;                  /* 11 */
-       __u16 frame_width;                              /* 8 - 9 after endian correction*/
-       __u16 frame_height;                             /* 10 - 11 after endian correction*/
-};
-
-struct usbvision_frame {
-       char *data;                                     /* Frame buffer */
-       struct usbvision_frame_header isoc_header;      /* Header from stream */
-
-       int width;                                      /* Width application is expecting */
-       int height;                                     /* Height */
-       int index;                                      /* Frame index */
-       int frmwidth;                                   /* Width the frame actually is */
-       int frmheight;                                  /* Height */
-
-       volatile int grabstate;                         /* State of grabbing */
-       int scanstate;                                  /* State of scanning */
-
-       struct list_head frame;
-
-       int curline;                                    /* Line of frame we're working on */
-
-       long scanlength;                                /* uncompressed, raw data length of frame */
-       long bytes_read;                                /* amount of scanlength that has been read from data */
-       struct usbvision_v4l2_format_st v4l2_format;    /* format the user needs*/
-       int v4l2_linesize;                              /* bytes for one videoline*/
-       u64 ts;
-       int sequence;                                   /* How many video frames we send to user */
-};
-
-#define CODEC_SAA7113  7113
-#define CODEC_SAA7111  7111
-#define CODEC_WEBCAM   3000
-#define BRIDGE_NT1003  1003
-#define BRIDGE_NT1004  1004
-#define BRIDGE_NT1005   1005
-
-struct usbvision_device_data_st {
-       __u64 video_norm;
-       const char *model_string;
-       int interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
-       __u16 codec;
-       unsigned video_channels:3;
-       unsigned audio_channels:2;
-       unsigned radio:1;
-       unsigned vbi:1;
-       unsigned tuner:1;
-       unsigned vin_reg1_override:1;   /* Override default value with */
-       unsigned vin_reg2_override:1;   /* vin_reg1, vin_reg2, etc. */
-       unsigned dvi_yuv_override:1;
-       __u8 vin_reg1;
-       __u8 vin_reg2;
-       __u8 dvi_yuv;
-       __u8 tuner_type;
-       __s16 x_offset;
-       __s16 y_offset;
-};
-
-/* Declared on usbvision-cards.c */
-extern struct usbvision_device_data_st usbvision_device_data[];
-extern struct usb_device_id usbvision_table[];
-
-struct usb_usbvision {
-       struct v4l2_device v4l2_dev;
-       struct v4l2_ctrl_handler hdl;
-       struct video_device vdev;                                       /* Video Device */
-       struct video_device rdev;                                       /* Radio Device */
-
-       /* i2c Declaration Section*/
-       struct i2c_adapter i2c_adap;
-       int registered_i2c;
-
-       struct urb *ctrl_urb;
-       unsigned char ctrl_urb_buffer[8];
-       int ctrl_urb_busy;
-       struct usb_ctrlrequest ctrl_urb_setup;
-
-       /* configuration part */
-       int have_tuner;
-       int tuner_type;
-       int bridge_type;                                                /* NT1003, NT1004, NT1005 */
-       int radio;
-       int video_inputs;                                               /* # of inputs */
-       unsigned long radio_freq;
-       unsigned long tv_freq;
-       int audio_mute;
-       int audio_channel;
-       int isoc_mode;                                                  /* format of video data for the usb isoc-transfer */
-       unsigned int nr;                                                /* Number of the device */
-
-       /* Device structure */
-       struct usb_device *dev;
-       /* usb transfer */
-       int num_alt;            /* Number of alternative settings */
-       unsigned int *alt_max_pkt_size; /* array of max_packet_size */
-       unsigned char iface;                                            /* Video interface number */
-       unsigned char iface_alt;                                        /* Alt settings */
-       unsigned char vin_reg2_preset;
-       struct mutex v4l2_lock;
-       int power;                                                      /* is the device powered on? */
-       int user;                                                       /* user count for exclusive use */
-       int initialized;                                                /* Had we already sent init sequence? */
-       int dev_model;                                                  /* What type of USBVISION device we got? */
-       enum stream_state streaming;                                    /* Are we streaming Isochronous? */
-       int last_error;                                                 /* What calamity struck us? */
-       int curwidth;                                                   /* width of the frame the device is currently set to*/
-       int curheight;                                                  /* height of the frame the device is currently set to*/
-       int stretch_width;                                              /* stretch-factor for frame width (from usb to screen)*/
-       int stretch_height;                                             /* stretch-factor for frame height (from usb to screen)*/
-       char *fbuf;                                                     /* Videodev buffer area for mmap*/
-       int max_frame_size;                                             /* Bytes in one video frame */
-       int fbuf_size;                                                  /* Videodev buffer size */
-       spinlock_t queue_lock;                                          /* spinlock for protecting mods on inqueue and outqueue */
-       struct list_head inqueue, outqueue;                             /* queued frame list and ready to dequeue frame list */
-       wait_queue_head_t wait_frame;                                   /* Processes waiting */
-       wait_queue_head_t wait_stream;                                  /* Processes waiting */
-       struct usbvision_frame *cur_frame;                              /* pointer to current frame, set by usbvision_find_header */
-       struct usbvision_frame frame[USBVISION_NUMFRAMES];              /* frame buffer */
-       int num_frames;                                                 /* number of frames allocated */
-       struct usbvision_sbuf sbuf[USBVISION_NUMSBUF];                  /* S buffering */
-       volatile int remove_pending;                                    /* If set then about to exit */
-
-       /* Scratch space from the Isochronous Pipe.*/
-       unsigned char *scratch;
-       int scratch_read_ptr;
-       int scratch_write_ptr;
-       int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
-       int scratch_headermarker_read_ptr;
-       int scratch_headermarker_write_ptr;
-       enum isoc_state isocstate;
-       struct usbvision_v4l2_format_st palette;
-
-       struct v4l2_capability vcap;                                    /* Video capabilities */
-       unsigned int ctl_input;                                         /* selected input */
-       v4l2_std_id tvnorm_id;                                          /* selected tv norm */
-       unsigned char video_endp;                                       /* 0x82 for USBVISION devices based */
-
-       /* Decompression stuff: */
-       unsigned char *intra_frame_buffer;                              /* Buffer for reference frame */
-       int block_pos;                                                  /* for test only */
-       int request_intra;                                              /* 0 = normal; 1 = intra frame is requested; */
-       int last_isoc_frame_num;                                        /* check for lost isoc frames */
-       int isoc_packet_size;                                           /* need to calculate used_bandwidth */
-       int used_bandwidth;                                             /* used bandwidth 0-100%, need to set compr_level */
-       int compr_level;                                                /* How strong (100) or weak (0) is compression */
-       int last_compr_level;                                           /* How strong (100) or weak (0) was compression */
-       int usb_bandwidth;                                              /* Mbit/s */
-
-       /* Statistics that can be overlaid on the screen */
-       unsigned long isoc_urb_count;                   /* How many URBs we received so far */
-       unsigned long urb_length;                       /* Length of last URB */
-       unsigned long isoc_data_count;                  /* How many bytes we received */
-       unsigned long header_count;                     /* How many frame headers we found */
-       unsigned long scratch_ovf_count;                /* How many times we overflowed scratch */
-       unsigned long isoc_skip_count;                  /* How many empty ISO packets received */
-       unsigned long isoc_err_count;                   /* How many bad ISO packets received */
-       unsigned long isoc_packet_count;                /* How many packets we totally got */
-       int isoc_measure_bandwidth_count;
-       int frame_num;                                  /* How many video frames we send to user */
-       int max_strip_len;                              /* How big is the biggest strip */
-       int comprblock_pos;
-       int strip_len_errors;                           /* How many times was block_pos greater than strip_len */
-       int strip_magic_errors;
-       int strip_line_number_errors;
-       int compr_block_types[4];
-};
-
-static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev)
-{
-       return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev);
-}
-
-#define call_all(usbvision, o, f, args...) \
-       v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)
-
-/* --------------------------------------------------------------- */
-/* defined in usbvision-i2c.c                                      */
-/* i2c-algo-usb declaration                                        */
-/* --------------------------------------------------------------- */
-
-/* ----------------------------------------------------------------------- */
-/* usbvision specific I2C functions                                        */
-/* ----------------------------------------------------------------------- */
-int usbvision_i2c_register(struct usb_usbvision *usbvision);
-int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
-
-/* defined in usbvision-core.c                                      */
-int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
-int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
-                       unsigned char value);
-
-int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames);
-void usbvision_frames_free(struct usb_usbvision *usbvision);
-int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
-void usbvision_scratch_free(struct usb_usbvision *usbvision);
-int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
-void usbvision_decompress_free(struct usb_usbvision *usbvision);
-
-int usbvision_setup(struct usb_usbvision *usbvision, int format);
-int usbvision_init_isoc(struct usb_usbvision *usbvision);
-int usbvision_restart_isoc(struct usb_usbvision *usbvision);
-void usbvision_stop_isoc(struct usb_usbvision *usbvision);
-int usbvision_set_alternate(struct usb_usbvision *dev);
-
-int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel);
-int usbvision_audio_off(struct usb_usbvision *usbvision);
-
-int usbvision_begin_streaming(struct usb_usbvision *usbvision);
-void usbvision_empty_framequeues(struct usb_usbvision *dev);
-int usbvision_stream_interrupt(struct usb_usbvision *dev);
-
-int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
-int usbvision_set_input(struct usb_usbvision *usbvision);
-int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
-
-int usbvision_power_off(struct usb_usbvision *usbvision);
-int usbvision_power_on(struct usb_usbvision *usbvision);
-
-#endif                                                                 /* __LINUX_USBVISION_H */