Commit | Line | Data |
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38f993ad DA |
1 | /* |
2 | * s2255drv.c - a driver for the Sensoray 2255 USB video capture device | |
3 | * | |
d86c6a8c | 4 | * Copyright (C) 2007-2014 by Sensoray Company Inc. |
38f993ad DA |
5 | * Dean Anderson |
6 | * | |
7 | * Some video buffer code based on vivi driver: | |
8 | * | |
9 | * Sensoray 2255 device supports 4 simultaneous channels. | |
10 | * The channels are not "crossbar" inputs, they are physically | |
11 | * attached to separate video decoders. | |
12 | * | |
13 | * Because of USB2.0 bandwidth limitations. There is only a | |
14 | * certain amount of data which may be transferred at one time. | |
15 | * | |
16 | * Example maximum bandwidth utilization: | |
17 | * | |
18 | * -full size, color mode YUYV or YUV422P: 2 channels at once | |
38f993ad | 19 | * -full or half size Grey scale: all 4 channels at once |
38f993ad | 20 | * -half size, color mode YUYV or YUV422P: all 4 channels at once |
38f993ad DA |
21 | * -full size, color mode YUYV or YUV422P 1/2 frame rate: all 4 channels |
22 | * at once. | |
38f993ad DA |
23 | * |
24 | * This program is free software; you can redistribute it and/or modify | |
25 | * it under the terms of the GNU General Public License as published by | |
26 | * the Free Software Foundation; either version 2 of the License, or | |
27 | * (at your option) any later version. | |
28 | * | |
29 | * This program is distributed in the hope that it will be useful, | |
30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
32 | * GNU General Public License for more details. | |
38f993ad DA |
33 | */ |
34 | ||
35 | #include <linux/module.h> | |
36 | #include <linux/firmware.h> | |
37 | #include <linux/kernel.h> | |
38 | #include <linux/mutex.h> | |
5a0e3ad6 | 39 | #include <linux/slab.h> |
38f993ad | 40 | #include <linux/videodev2.h> |
feb75f07 | 41 | #include <linux/mm.h> |
44d06d82 HV |
42 | #include <linux/vmalloc.h> |
43 | #include <linux/usb.h> | |
2d700715 | 44 | #include <media/videobuf2-v4l2.h> |
340a30c5 | 45 | #include <media/videobuf2-vmalloc.h> |
38f993ad | 46 | #include <media/v4l2-common.h> |
3a67b5cc | 47 | #include <media/v4l2-device.h> |
35ea11ff | 48 | #include <media/v4l2-ioctl.h> |
192f1e78 | 49 | #include <media/v4l2-ctrls.h> |
44d06d82 | 50 | #include <media/v4l2-event.h> |
38f993ad | 51 | |
340a30c5 | 52 | #define S2255_VERSION "1.25.1" |
38f993ad DA |
53 | #define FIRMWARE_FILE_NAME "f2255usb.bin" |
54 | ||
22b88d48 DA |
55 | /* default JPEG quality */ |
56 | #define S2255_DEF_JPEG_QUAL 50 | |
38f993ad DA |
57 | /* vendor request in */ |
58 | #define S2255_VR_IN 0 | |
59 | /* vendor request out */ | |
60 | #define S2255_VR_OUT 1 | |
61 | /* firmware query */ | |
62 | #define S2255_VR_FW 0x30 | |
63 | /* USB endpoint number for configuring the device */ | |
64 | #define S2255_CONFIG_EP 2 | |
65 | /* maximum time for DSP to start responding after last FW word loaded(ms) */ | |
14d96260 | 66 | #define S2255_DSP_BOOTTIME 800 |
38f993ad | 67 | /* maximum time to wait for firmware to load (ms) */ |
3f8d6f73 | 68 | #define S2255_LOAD_TIMEOUT (5000 + S2255_DSP_BOOTTIME) |
9da62eb0 | 69 | #define S2255_MIN_BUFS 2 |
14d96260 | 70 | #define S2255_SETMODE_TIMEOUT 500 |
4de39f5d | 71 | #define S2255_VIDSTATUS_TIMEOUT 350 |
3fa00605 DA |
72 | #define S2255_MARKER_FRAME cpu_to_le32(0x2255DA4AL) |
73 | #define S2255_MARKER_RESPONSE cpu_to_le32(0x2255ACACL) | |
74 | #define S2255_RESPONSE_SETMODE cpu_to_le32(0x01) | |
75 | #define S2255_RESPONSE_FW cpu_to_le32(0x10) | |
76 | #define S2255_RESPONSE_STATUS cpu_to_le32(0x20) | |
14d96260 | 77 | #define S2255_USB_XFER_SIZE (16 * 1024) |
38f993ad | 78 | #define MAX_CHANNELS 4 |
38f993ad DA |
79 | #define SYS_FRAMES 4 |
80 | /* maximum size is PAL full size plus room for the marker header(s) */ | |
14d96260 DA |
81 | #define SYS_FRAMES_MAXSIZE (720*288*2*2 + 4096) |
82 | #define DEF_USB_BLOCK S2255_USB_XFER_SIZE | |
38f993ad DA |
83 | #define LINE_SZ_4CIFS_NTSC 640 |
84 | #define LINE_SZ_2CIFS_NTSC 640 | |
85 | #define LINE_SZ_1CIFS_NTSC 320 | |
86 | #define LINE_SZ_4CIFS_PAL 704 | |
87 | #define LINE_SZ_2CIFS_PAL 704 | |
88 | #define LINE_SZ_1CIFS_PAL 352 | |
89 | #define NUM_LINES_4CIFS_NTSC 240 | |
90 | #define NUM_LINES_2CIFS_NTSC 240 | |
91 | #define NUM_LINES_1CIFS_NTSC 240 | |
92 | #define NUM_LINES_4CIFS_PAL 288 | |
93 | #define NUM_LINES_2CIFS_PAL 288 | |
94 | #define NUM_LINES_1CIFS_PAL 288 | |
95 | #define LINE_SZ_DEF 640 | |
96 | #define NUM_LINES_DEF 240 | |
97 | ||
98 | ||
99 | /* predefined settings */ | |
100 | #define FORMAT_NTSC 1 | |
101 | #define FORMAT_PAL 2 | |
102 | ||
103 | #define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */ | |
104 | #define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */ | |
105 | #define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */ | |
7d853532 DA |
106 | /* SCALE_4CIFSI is the 2 fields interpolated into one */ |
107 | #define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */ | |
38f993ad DA |
108 | |
109 | #define COLOR_YUVPL 1 /* YUV planar */ | |
110 | #define COLOR_YUVPK 2 /* YUV packed */ | |
111 | #define COLOR_Y8 4 /* monochrome */ | |
14d96260 | 112 | #define COLOR_JPG 5 /* JPEG */ |
38f993ad | 113 | |
5a34d9df DA |
114 | #define MASK_COLOR 0x000000ff |
115 | #define MASK_JPG_QUALITY 0x0000ff00 | |
116 | #define MASK_INPUT_TYPE 0x000f0000 | |
8a8cc952 | 117 | /* frame decimation. */ |
38f993ad DA |
118 | #define FDEC_1 1 /* capture every frame. default */ |
119 | #define FDEC_2 2 /* capture every 2nd frame */ | |
120 | #define FDEC_3 3 /* capture every 3rd frame */ | |
121 | #define FDEC_5 5 /* capture every 5th frame */ | |
122 | ||
123 | /*------------------------------------------------------- | |
124 | * Default mode parameters. | |
125 | *-------------------------------------------------------*/ | |
126 | #define DEF_SCALE SCALE_4CIFS | |
127 | #define DEF_COLOR COLOR_YUVPL | |
128 | #define DEF_FDEC FDEC_1 | |
129 | #define DEF_BRIGHT 0 | |
130 | #define DEF_CONTRAST 0x5c | |
131 | #define DEF_SATURATION 0x80 | |
132 | #define DEF_HUE 0 | |
133 | ||
134 | /* usb config commands */ | |
3fa00605 | 135 | #define IN_DATA_TOKEN cpu_to_le32(0x2255c0de) |
3b2a6306 | 136 | #define CMD_2255 0xc2255000 |
3fa00605 DA |
137 | #define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10)) |
138 | #define CMD_START cpu_to_le32((CMD_2255 | 0x20)) | |
139 | #define CMD_STOP cpu_to_le32((CMD_2255 | 0x30)) | |
140 | #define CMD_STATUS cpu_to_le32((CMD_2255 | 0x40)) | |
38f993ad DA |
141 | |
142 | struct s2255_mode { | |
143 | u32 format; /* input video format (NTSC, PAL) */ | |
144 | u32 scale; /* output video scale */ | |
145 | u32 color; /* output video color format */ | |
146 | u32 fdec; /* frame decimation */ | |
147 | u32 bright; /* brightness */ | |
148 | u32 contrast; /* contrast */ | |
149 | u32 saturation; /* saturation */ | |
150 | u32 hue; /* hue (NTSC only)*/ | |
151 | u32 single; /* capture 1 frame at a time (!=0), continuously (==0)*/ | |
152 | u32 usb_block; /* block size. should be 4096 of DEF_USB_BLOCK */ | |
153 | u32 restart; /* if DSP requires restart */ | |
154 | }; | |
155 | ||
38f993ad | 156 | |
14d96260 DA |
157 | #define S2255_READ_IDLE 0 |
158 | #define S2255_READ_FRAME 1 | |
38f993ad | 159 | |
14d96260 | 160 | /* frame structure */ |
38f993ad DA |
161 | struct s2255_framei { |
162 | unsigned long size; | |
14d96260 | 163 | unsigned long ulState; /* ulState:S2255_READ_IDLE, S2255_READ_FRAME*/ |
38f993ad DA |
164 | void *lpvbits; /* image data */ |
165 | unsigned long cur_size; /* current data copied to it */ | |
166 | }; | |
167 | ||
168 | /* image buffer structure */ | |
169 | struct s2255_bufferi { | |
170 | unsigned long dwFrames; /* number of frames in buffer */ | |
171 | struct s2255_framei frame[SYS_FRAMES]; /* array of FRAME structures */ | |
172 | }; | |
173 | ||
174 | #define DEF_MODEI_NTSC_CONT {FORMAT_NTSC, DEF_SCALE, DEF_COLOR, \ | |
175 | DEF_FDEC, DEF_BRIGHT, DEF_CONTRAST, DEF_SATURATION, \ | |
3f8d6f73 | 176 | DEF_HUE, 0, DEF_USB_BLOCK, 0} |
38f993ad | 177 | |
38f993ad DA |
178 | /* for firmware loading, fw_state */ |
179 | #define S2255_FW_NOTLOADED 0 | |
180 | #define S2255_FW_LOADED_DSPWAIT 1 | |
181 | #define S2255_FW_SUCCESS 2 | |
182 | #define S2255_FW_FAILED 3 | |
f78d92c9 | 183 | #define S2255_FW_DISCONNECTING 4 |
deaf53e3 | 184 | #define S2255_FW_MARKER cpu_to_le32(0x22552f2f) |
14d96260 DA |
185 | /* 2255 read states */ |
186 | #define S2255_READ_IDLE 0 | |
187 | #define S2255_READ_FRAME 1 | |
38f993ad DA |
188 | struct s2255_fw { |
189 | int fw_loaded; | |
190 | int fw_size; | |
191 | struct urb *fw_urb; | |
192 | atomic_t fw_state; | |
193 | void *pfw_data; | |
194 | wait_queue_head_t wait_fw; | |
38f993ad DA |
195 | const struct firmware *fw; |
196 | }; | |
197 | ||
198 | struct s2255_pipeinfo { | |
199 | u32 max_transfer_size; | |
200 | u32 cur_transfer_size; | |
201 | u8 *transfer_buffer; | |
38f993ad | 202 | u32 state; |
38f993ad DA |
203 | void *stream_urb; |
204 | void *dev; /* back pointer to s2255_dev struct*/ | |
205 | u32 err_count; | |
38f993ad | 206 | u32 idx; |
38f993ad DA |
207 | }; |
208 | ||
209 | struct s2255_fmt; /*forward declaration */ | |
fe85ce90 DA |
210 | struct s2255_dev; |
211 | ||
5e950faf DA |
212 | /* 2255 video channel */ |
213 | struct s2255_vc { | |
f5402007 | 214 | struct s2255_dev *dev; |
fe85ce90 | 215 | struct video_device vdev; |
192f1e78 | 216 | struct v4l2_ctrl_handler hdl; |
7041dec7 | 217 | struct v4l2_ctrl *jpegqual_ctrl; |
fe85ce90 | 218 | int resources; |
d86c6a8c | 219 | struct list_head buf_list; |
fe85ce90 DA |
220 | struct s2255_bufferi buffer; |
221 | struct s2255_mode mode; | |
469af77a | 222 | v4l2_std_id std; |
fe85ce90 | 223 | /* jpeg compression */ |
7041dec7 | 224 | unsigned jpegqual; |
fe85ce90 DA |
225 | /* capture parameters (for high quality mode full size) */ |
226 | struct v4l2_captureparm cap_parm; | |
227 | int cur_frame; | |
228 | int last_frame; | |
fe85ce90 DA |
229 | /* allocated image size */ |
230 | unsigned long req_image_size; | |
231 | /* received packet size */ | |
232 | unsigned long pkt_size; | |
233 | int bad_payload; | |
234 | unsigned long frame_count; | |
235 | /* if JPEG image */ | |
236 | int jpg_size; | |
237 | /* if channel configured to default state */ | |
238 | int configured; | |
239 | wait_queue_head_t wait_setmode; | |
240 | int setmode_ready; | |
241 | /* video status items */ | |
242 | int vidstatus; | |
243 | wait_queue_head_t wait_vidstatus; | |
244 | int vidstatus_ready; | |
245 | unsigned int width; | |
246 | unsigned int height; | |
340a30c5 | 247 | enum v4l2_field field; |
fe85ce90 DA |
248 | const struct s2255_fmt *fmt; |
249 | int idx; /* channel number on device, 0-3 */ | |
340a30c5 | 250 | struct vb2_queue vb_vidq; |
251 | struct mutex vb_lock; /* streaming lock */ | |
252 | spinlock_t qlock; | |
fe85ce90 DA |
253 | }; |
254 | ||
38f993ad DA |
255 | |
256 | struct s2255_dev { | |
5e950faf | 257 | struct s2255_vc vc[MAX_CHANNELS]; |
f5402007 | 258 | struct v4l2_device v4l2_dev; |
fe85ce90 | 259 | atomic_t num_channels; |
38f993ad | 260 | int frames; |
a19a5cd7 | 261 | struct mutex lock; /* channels[].vdev.lock */ |
47d8c881 | 262 | struct mutex cmdlock; /* protects cmdbuf */ |
38f993ad DA |
263 | struct usb_device *udev; |
264 | struct usb_interface *interface; | |
265 | u8 read_endpoint; | |
38f993ad DA |
266 | struct timer_list timer; |
267 | struct s2255_fw *fw_data; | |
ab85c6a3 | 268 | struct s2255_pipeinfo pipe; |
38f993ad | 269 | u32 cc; /* current channel */ |
38f993ad | 270 | int frame_ready; |
14d96260 | 271 | int chn_ready; |
4de39f5d DA |
272 | /* dsp firmware version (f2255usb.bin) */ |
273 | int dsp_fw_ver; | |
5a34d9df | 274 | u16 pid; /* product id */ |
47d8c881 DA |
275 | #define S2255_CMDBUF_SIZE 512 |
276 | __le32 *cmdbuf; | |
38f993ad | 277 | }; |
65c6edb3 | 278 | |
65c6edb3 DA |
279 | static inline struct s2255_dev *to_s2255_dev(struct v4l2_device *v4l2_dev) |
280 | { | |
281 | return container_of(v4l2_dev, struct s2255_dev, v4l2_dev); | |
282 | } | |
38f993ad DA |
283 | |
284 | struct s2255_fmt { | |
285 | char *name; | |
286 | u32 fourcc; | |
287 | int depth; | |
288 | }; | |
289 | ||
290 | /* buffer for one video frame */ | |
291 | struct s2255_buffer { | |
292 | /* common v4l buffer stuff -- must be first */ | |
2d700715 | 293 | struct vb2_v4l2_buffer vb; |
340a30c5 | 294 | struct list_head list; |
38f993ad DA |
295 | }; |
296 | ||
38f993ad | 297 | |
abce21f4 | 298 | /* current cypress EEPROM firmware version */ |
8a8cc952 | 299 | #define S2255_CUR_USB_FWVER ((3 << 8) | 12) |
4de39f5d | 300 | /* current DSP FW version */ |
8a8cc952 | 301 | #define S2255_CUR_DSP_FWVER 10104 |
4de39f5d | 302 | /* Need DSP version 5+ for video status feature */ |
5a34d9df DA |
303 | #define S2255_MIN_DSP_STATUS 5 |
304 | #define S2255_MIN_DSP_COLORFILTER 8 | |
469af77a | 305 | #define S2255_NORMS (V4L2_STD_ALL) |
5a34d9df DA |
306 | |
307 | /* private V4L2 controls */ | |
308 | ||
309 | /* | |
310 | * The following chart displays how COLORFILTER should be set | |
311 | * ========================================================= | |
312 | * = fourcc = COLORFILTER = | |
313 | * = =============================== | |
314 | * = = 0 = 1 = | |
315 | * ========================================================= | |
316 | * = V4L2_PIX_FMT_GREY(Y8) = monochrome from = monochrome= | |
317 | * = = s-video or = composite = | |
318 | * = = B/W camera = input = | |
319 | * ========================================================= | |
320 | * = other = color, svideo = color, = | |
321 | * = = = composite = | |
322 | * ========================================================= | |
323 | * | |
324 | * Notes: | |
325 | * channels 0-3 on 2255 are composite | |
326 | * channels 0-1 on 2257 are composite, 2-3 are s-video | |
327 | * If COLORFILTER is 0 with a composite color camera connected, | |
328 | * the output will appear monochrome but hatching | |
329 | * will occur. | |
330 | * COLORFILTER is different from "color killer" and "color effects" | |
331 | * for reasons above. | |
332 | */ | |
333 | #define S2255_V4L2_YC_ON 1 | |
334 | #define S2255_V4L2_YC_OFF 0 | |
192f1e78 | 335 | #define V4L2_CID_S2255_COLORFILTER (V4L2_CID_USER_S2255_BASE + 0) |
5a34d9df | 336 | |
38f993ad DA |
337 | /* frame prefix size (sent once every frame) */ |
338 | #define PREFIX_SIZE 512 | |
339 | ||
340 | /* Channels on box are in reverse order */ | |
3f8d6f73 | 341 | static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0}; |
38f993ad | 342 | |
38f993ad | 343 | static int debug; |
38f993ad DA |
344 | |
345 | static int s2255_start_readpipe(struct s2255_dev *dev); | |
346 | static void s2255_stop_readpipe(struct s2255_dev *dev); | |
5e950faf DA |
347 | static int s2255_start_acquire(struct s2255_vc *vc); |
348 | static int s2255_stop_acquire(struct s2255_vc *vc); | |
349 | static void s2255_fillbuff(struct s2255_vc *vc, struct s2255_buffer *buf, | |
fe85ce90 | 350 | int jpgsize); |
5e950faf | 351 | static int s2255_set_mode(struct s2255_vc *vc, struct s2255_mode *mode); |
38f993ad | 352 | static int s2255_board_shutdown(struct s2255_dev *dev); |
e2a06704 | 353 | static void s2255_fwload_start(struct s2255_dev *dev); |
d62e85a0 | 354 | static void s2255_destroy(struct s2255_dev *dev); |
14d96260 DA |
355 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req, |
356 | u16 index, u16 value, void *buf, | |
357 | s32 buf_len, int bOut); | |
38f993ad | 358 | |
be9ed511 MCC |
359 | /* dev_err macro with driver name */ |
360 | #define S2255_DRIVER_NAME "s2255" | |
361 | #define s2255_dev_err(dev, fmt, arg...) \ | |
362 | dev_err(dev, S2255_DRIVER_NAME " - " fmt, ##arg) | |
363 | ||
f5402007 | 364 | #define dprintk(dev, level, fmt, arg...) \ |
365 | v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg) | |
38f993ad | 366 | |
38f993ad DA |
367 | static struct usb_driver s2255_driver; |
368 | ||
38f993ad DA |
369 | /* start video number */ |
370 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
371 | ||
e42e28f9 SLD |
372 | /* Enable jpeg capture. */ |
373 | static int jpeg_enable = 1; | |
374 | ||
3f8d6f73 | 375 | module_param(debug, int, 0644); |
38f993ad | 376 | MODULE_PARM_DESC(debug, "Debug level(0-100) default 0"); |
3f8d6f73 | 377 | module_param(video_nr, int, 0644); |
38f993ad | 378 | MODULE_PARM_DESC(video_nr, "start video minor(-1 default autodetect)"); |
e42e28f9 SLD |
379 | module_param(jpeg_enable, int, 0644); |
380 | MODULE_PARM_DESC(jpeg_enable, "Jpeg enable(1-on 0-off) default 1"); | |
38f993ad DA |
381 | |
382 | /* USB device table */ | |
5a34d9df | 383 | #define USB_SENSORAY_VID 0x1943 |
7fb2e072 | 384 | static const struct usb_device_id s2255_table[] = { |
5a34d9df DA |
385 | {USB_DEVICE(USB_SENSORAY_VID, 0x2255)}, |
386 | {USB_DEVICE(USB_SENSORAY_VID, 0x2257)}, /*same family as 2255*/ | |
38f993ad DA |
387 | { } /* Terminating entry */ |
388 | }; | |
389 | MODULE_DEVICE_TABLE(usb, s2255_table); | |
390 | ||
38f993ad DA |
391 | #define BUFFER_TIMEOUT msecs_to_jiffies(400) |
392 | ||
38f993ad | 393 | /* image formats. */ |
e42e28f9 | 394 | /* JPEG formats must be defined last to support jpeg_enable parameter */ |
38f993ad DA |
395 | static const struct s2255_fmt formats[] = { |
396 | { | |
38f993ad DA |
397 | .name = "4:2:2, packed, YUYV", |
398 | .fourcc = V4L2_PIX_FMT_YUYV, | |
399 | .depth = 16 | |
400 | ||
401 | }, { | |
402 | .name = "4:2:2, packed, UYVY", | |
403 | .fourcc = V4L2_PIX_FMT_UYVY, | |
404 | .depth = 16 | |
5c632b22 HV |
405 | }, { |
406 | .name = "4:2:2, planar, YUV422P", | |
407 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
408 | .depth = 16 | |
409 | ||
e42e28f9 SLD |
410 | }, { |
411 | .name = "8bpp GREY", | |
412 | .fourcc = V4L2_PIX_FMT_GREY, | |
413 | .depth = 8 | |
14d96260 DA |
414 | }, { |
415 | .name = "JPG", | |
416 | .fourcc = V4L2_PIX_FMT_JPEG, | |
417 | .depth = 24 | |
d0ef8540 SLD |
418 | }, { |
419 | .name = "MJPG", | |
420 | .fourcc = V4L2_PIX_FMT_MJPEG, | |
421 | .depth = 24 | |
38f993ad DA |
422 | } |
423 | }; | |
424 | ||
5e950faf | 425 | static int norm_maxw(struct s2255_vc *vc) |
38f993ad | 426 | { |
5e950faf | 427 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
428 | LINE_SZ_4CIFS_NTSC : LINE_SZ_4CIFS_PAL; |
429 | } | |
430 | ||
5e950faf | 431 | static int norm_maxh(struct s2255_vc *vc) |
38f993ad | 432 | { |
5e950faf | 433 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
434 | (NUM_LINES_1CIFS_NTSC * 2) : (NUM_LINES_1CIFS_PAL * 2); |
435 | } | |
436 | ||
5e950faf | 437 | static int norm_minw(struct s2255_vc *vc) |
38f993ad | 438 | { |
5e950faf | 439 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
440 | LINE_SZ_1CIFS_NTSC : LINE_SZ_1CIFS_PAL; |
441 | } | |
442 | ||
5e950faf | 443 | static int norm_minh(struct s2255_vc *vc) |
38f993ad | 444 | { |
5e950faf | 445 | return (vc->std & V4L2_STD_525_60) ? |
38f993ad DA |
446 | (NUM_LINES_1CIFS_NTSC) : (NUM_LINES_1CIFS_PAL); |
447 | } | |
448 | ||
449 | ||
3f8d6f73 DA |
450 | /* |
451 | * TODO: fixme: move YUV reordering to hardware | |
452 | * converts 2255 planar format to yuyv or uyvy | |
453 | */ | |
38f993ad DA |
454 | static void planar422p_to_yuv_packed(const unsigned char *in, |
455 | unsigned char *out, | |
456 | int width, int height, | |
457 | int fmt) | |
458 | { | |
459 | unsigned char *pY; | |
460 | unsigned char *pCb; | |
461 | unsigned char *pCr; | |
462 | unsigned long size = height * width; | |
463 | unsigned int i; | |
464 | pY = (unsigned char *)in; | |
465 | pCr = (unsigned char *)in + height * width; | |
466 | pCb = (unsigned char *)in + height * width + (height * width / 2); | |
467 | for (i = 0; i < size * 2; i += 4) { | |
468 | out[i] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCr++; | |
469 | out[i + 1] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCr++ : *pY++; | |
470 | out[i + 2] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCb++; | |
471 | out[i + 3] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCb++ : *pY++; | |
472 | } | |
473 | return; | |
474 | } | |
475 | ||
d45b9b8a | 476 | static void s2255_reset_dsppower(struct s2255_dev *dev) |
14d96260 | 477 | { |
8a8cc952 | 478 | s2255_vendor_req(dev, 0x40, 0x0000, 0x0001, NULL, 0, 1); |
e2a06704 | 479 | msleep(50); |
14d96260 | 480 | s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); |
752eb7ae | 481 | msleep(600); |
482 | s2255_vendor_req(dev, 0x10, 0x0000, 0x0000, NULL, 0, 1); | |
14d96260 DA |
483 | return; |
484 | } | |
38f993ad DA |
485 | |
486 | /* kickstarts the firmware loading. from probe | |
487 | */ | |
74ee0477 | 488 | static void s2255_timer(struct timer_list *t) |
38f993ad | 489 | { |
74ee0477 KC |
490 | struct s2255_dev *dev = from_timer(dev, t, timer); |
491 | struct s2255_fw *data = dev->fw_data; | |
38f993ad | 492 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { |
f5402007 | 493 | pr_err("s2255: can't submit urb\n"); |
f78d92c9 DA |
494 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
495 | /* wake up anything waiting for the firmware */ | |
496 | wake_up(&data->wait_fw); | |
38f993ad DA |
497 | return; |
498 | } | |
499 | } | |
500 | ||
38f993ad DA |
501 | |
502 | /* this loads the firmware asynchronously. | |
0b84caab | 503 | Originally this was done synchronously in probe. |
38f993ad DA |
504 | But it is better to load it asynchronously here than block |
505 | inside the probe function. Blocking inside probe affects boot time. | |
506 | FW loading is triggered by the timer in the probe function | |
507 | */ | |
508 | static void s2255_fwchunk_complete(struct urb *urb) | |
509 | { | |
510 | struct s2255_fw *data = urb->context; | |
511 | struct usb_device *udev = urb->dev; | |
512 | int len; | |
38f993ad | 513 | if (urb->status) { |
be9ed511 | 514 | dev_err(&udev->dev, "URB failed with status %d\n", urb->status); |
f78d92c9 DA |
515 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
516 | /* wake up anything waiting for the firmware */ | |
517 | wake_up(&data->wait_fw); | |
38f993ad DA |
518 | return; |
519 | } | |
520 | if (data->fw_urb == NULL) { | |
be9ed511 | 521 | s2255_dev_err(&udev->dev, "disconnected\n"); |
f78d92c9 DA |
522 | atomic_set(&data->fw_state, S2255_FW_FAILED); |
523 | /* wake up anything waiting for the firmware */ | |
524 | wake_up(&data->wait_fw); | |
38f993ad DA |
525 | return; |
526 | } | |
527 | #define CHUNK_SIZE 512 | |
528 | /* all USB transfers must be done with continuous kernel memory. | |
529 | can't allocate more than 128k in current linux kernel, so | |
530 | upload the firmware in chunks | |
531 | */ | |
532 | if (data->fw_loaded < data->fw_size) { | |
533 | len = (data->fw_loaded + CHUNK_SIZE) > data->fw_size ? | |
534 | data->fw_size % CHUNK_SIZE : CHUNK_SIZE; | |
535 | ||
536 | if (len < CHUNK_SIZE) | |
537 | memset(data->pfw_data, 0, CHUNK_SIZE); | |
538 | ||
38f993ad DA |
539 | memcpy(data->pfw_data, |
540 | (char *) data->fw->data + data->fw_loaded, len); | |
541 | ||
542 | usb_fill_bulk_urb(data->fw_urb, udev, usb_sndbulkpipe(udev, 2), | |
543 | data->pfw_data, CHUNK_SIZE, | |
544 | s2255_fwchunk_complete, data); | |
545 | if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { | |
546 | dev_err(&udev->dev, "failed submit URB\n"); | |
547 | atomic_set(&data->fw_state, S2255_FW_FAILED); | |
548 | /* wake up anything waiting for the firmware */ | |
549 | wake_up(&data->wait_fw); | |
550 | return; | |
551 | } | |
552 | data->fw_loaded += len; | |
f5402007 | 553 | } else |
38f993ad | 554 | atomic_set(&data->fw_state, S2255_FW_LOADED_DSPWAIT); |
38f993ad DA |
555 | return; |
556 | ||
557 | } | |
558 | ||
9694fbec | 559 | static void s2255_got_frame(struct s2255_vc *vc, int jpgsize) |
38f993ad | 560 | { |
38f993ad | 561 | struct s2255_buffer *buf; |
5e950faf | 562 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
38f993ad | 563 | unsigned long flags = 0; |
9694fbec | 564 | |
340a30c5 | 565 | spin_lock_irqsave(&vc->qlock, flags); |
5e950faf | 566 | if (list_empty(&vc->buf_list)) { |
f5402007 | 567 | dprintk(dev, 1, "No active queue to serve\n"); |
9694fbec | 568 | spin_unlock_irqrestore(&vc->qlock, flags); |
569 | return; | |
38f993ad | 570 | } |
5e950faf | 571 | buf = list_entry(vc->buf_list.next, |
340a30c5 | 572 | struct s2255_buffer, list); |
573 | list_del(&buf->list); | |
d6dd645e | 574 | buf->vb.vb2_buf.timestamp = ktime_get_ns(); |
2d700715 JS |
575 | buf->vb.field = vc->field; |
576 | buf->vb.sequence = vc->frame_count; | |
9694fbec | 577 | spin_unlock_irqrestore(&vc->qlock, flags); |
578 | ||
5e950faf | 579 | s2255_fillbuff(vc, buf, jpgsize); |
9694fbec | 580 | /* tell v4l buffer was filled */ |
2d700715 | 581 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); |
340a30c5 | 582 | dprintk(dev, 2, "%s: [buf] [%p]\n", __func__, buf); |
38f993ad DA |
583 | } |
584 | ||
38f993ad DA |
585 | static const struct s2255_fmt *format_by_fourcc(int fourcc) |
586 | { | |
587 | unsigned int i; | |
38f993ad DA |
588 | for (i = 0; i < ARRAY_SIZE(formats); i++) { |
589 | if (-1 == formats[i].fourcc) | |
590 | continue; | |
f5402007 | 591 | if (!jpeg_enable && ((formats[i].fourcc == V4L2_PIX_FMT_JPEG) || |
592 | (formats[i].fourcc == V4L2_PIX_FMT_MJPEG))) | |
593 | continue; | |
38f993ad DA |
594 | if (formats[i].fourcc == fourcc) |
595 | return formats + i; | |
596 | } | |
597 | return NULL; | |
598 | } | |
599 | ||
38f993ad DA |
600 | /* video buffer vmalloc implementation based partly on VIVI driver which is |
601 | * Copyright (c) 2006 by | |
602 | * Mauro Carvalho Chehab <mchehab--a.t--infradead.org> | |
603 | * Ted Walther <ted--a.t--enumera.com> | |
604 | * John Sokol <sokol--a.t--videotechnology.com> | |
605 | * http://v4l.videotechnology.com/ | |
606 | * | |
607 | */ | |
5e950faf | 608 | static void s2255_fillbuff(struct s2255_vc *vc, |
fe85ce90 | 609 | struct s2255_buffer *buf, int jpgsize) |
38f993ad DA |
610 | { |
611 | int pos = 0; | |
38f993ad | 612 | const char *tmpbuf; |
2d700715 | 613 | char *vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); |
38f993ad | 614 | unsigned long last_frame; |
5e950faf | 615 | struct s2255_dev *dev = vc->dev; |
38f993ad DA |
616 | |
617 | if (!vbuf) | |
618 | return; | |
5e950faf | 619 | last_frame = vc->last_frame; |
38f993ad | 620 | if (last_frame != -1) { |
38f993ad | 621 | tmpbuf = |
5e950faf | 622 | (const char *)vc->buffer.frame[last_frame].lpvbits; |
8bf405a0 | 623 | switch (vc->fmt->fourcc) { |
38f993ad DA |
624 | case V4L2_PIX_FMT_YUYV: |
625 | case V4L2_PIX_FMT_UYVY: | |
626 | planar422p_to_yuv_packed((const unsigned char *)tmpbuf, | |
340a30c5 | 627 | vbuf, vc->width, |
628 | vc->height, | |
8bf405a0 | 629 | vc->fmt->fourcc); |
38f993ad DA |
630 | break; |
631 | case V4L2_PIX_FMT_GREY: | |
340a30c5 | 632 | memcpy(vbuf, tmpbuf, vc->width * vc->height); |
38f993ad | 633 | break; |
14d96260 | 634 | case V4L2_PIX_FMT_JPEG: |
d0ef8540 | 635 | case V4L2_PIX_FMT_MJPEG: |
2d700715 | 636 | vb2_set_plane_payload(&buf->vb.vb2_buf, 0, jpgsize); |
340a30c5 | 637 | memcpy(vbuf, tmpbuf, jpgsize); |
14d96260 | 638 | break; |
38f993ad DA |
639 | case V4L2_PIX_FMT_YUV422P: |
640 | memcpy(vbuf, tmpbuf, | |
340a30c5 | 641 | vc->width * vc->height * 2); |
38f993ad DA |
642 | break; |
643 | default: | |
f5402007 | 644 | pr_info("s2255: unknown format?\n"); |
38f993ad | 645 | } |
5e950faf | 646 | vc->last_frame = -1; |
38f993ad | 647 | } else { |
f5402007 | 648 | pr_err("s2255: =======no frame\n"); |
38f993ad | 649 | return; |
38f993ad | 650 | } |
86f181c7 MCC |
651 | dprintk(dev, 2, "s2255fill at : Buffer %p size= %d\n", |
652 | vbuf, pos); | |
38f993ad DA |
653 | } |
654 | ||
655 | ||
656 | /* ------------------------------------------------------------------ | |
657 | Videobuf operations | |
658 | ------------------------------------------------------------------*/ | |
659 | ||
df9ecb0c | 660 | static int queue_setup(struct vb2_queue *vq, |
340a30c5 | 661 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 662 | unsigned int sizes[], struct device *alloc_devs[]) |
38f993ad | 663 | { |
340a30c5 | 664 | struct s2255_vc *vc = vb2_get_drv_priv(vq); |
9da62eb0 DA |
665 | if (*nbuffers < S2255_MIN_BUFS) |
666 | *nbuffers = S2255_MIN_BUFS; | |
340a30c5 | 667 | *nplanes = 1; |
668 | sizes[0] = vc->width * vc->height * (vc->fmt->depth >> 3); | |
38f993ad DA |
669 | return 0; |
670 | } | |
671 | ||
340a30c5 | 672 | static int buffer_prepare(struct vb2_buffer *vb) |
38f993ad | 673 | { |
340a30c5 | 674 | struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 JS |
675 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
676 | struct s2255_buffer *buf = container_of(vbuf, struct s2255_buffer, vb); | |
5e950faf DA |
677 | int w = vc->width; |
678 | int h = vc->height; | |
340a30c5 | 679 | unsigned long size; |
680 | ||
681 | dprintk(vc->dev, 4, "%s\n", __func__); | |
5e950faf | 682 | if (vc->fmt == NULL) |
38f993ad DA |
683 | return -EINVAL; |
684 | ||
5e950faf DA |
685 | if ((w < norm_minw(vc)) || |
686 | (w > norm_maxw(vc)) || | |
687 | (h < norm_minh(vc)) || | |
688 | (h > norm_maxh(vc))) { | |
92cde477 | 689 | dprintk(vc->dev, 4, "invalid buffer prepare\n"); |
38f993ad DA |
690 | return -EINVAL; |
691 | } | |
340a30c5 | 692 | size = w * h * (vc->fmt->depth >> 3); |
693 | if (vb2_plane_size(vb, 0) < size) { | |
92cde477 | 694 | dprintk(vc->dev, 4, "invalid buffer prepare\n"); |
38f993ad DA |
695 | return -EINVAL; |
696 | } | |
697 | ||
2d700715 | 698 | vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size); |
38f993ad | 699 | return 0; |
38f993ad DA |
700 | } |
701 | ||
340a30c5 | 702 | static void buffer_queue(struct vb2_buffer *vb) |
38f993ad | 703 | { |
2d700715 JS |
704 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
705 | struct s2255_buffer *buf = container_of(vbuf, struct s2255_buffer, vb); | |
340a30c5 | 706 | struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue); |
707 | unsigned long flags = 0; | |
92cde477 | 708 | dprintk(vc->dev, 1, "%s\n", __func__); |
340a30c5 | 709 | spin_lock_irqsave(&vc->qlock, flags); |
710 | list_add_tail(&buf->list, &vc->buf_list); | |
711 | spin_unlock_irqrestore(&vc->qlock, flags); | |
38f993ad DA |
712 | } |
713 | ||
340a30c5 | 714 | static int start_streaming(struct vb2_queue *vq, unsigned int count); |
e37559b2 | 715 | static void stop_streaming(struct vb2_queue *vq); |
38f993ad | 716 | |
1bc17717 | 717 | static const struct vb2_ops s2255_video_qops = { |
340a30c5 | 718 | .queue_setup = queue_setup, |
38f993ad DA |
719 | .buf_prepare = buffer_prepare, |
720 | .buf_queue = buffer_queue, | |
340a30c5 | 721 | .start_streaming = start_streaming, |
722 | .stop_streaming = stop_streaming, | |
723 | .wait_prepare = vb2_ops_wait_prepare, | |
724 | .wait_finish = vb2_ops_wait_finish, | |
38f993ad DA |
725 | }; |
726 | ||
38f993ad DA |
727 | static int vidioc_querycap(struct file *file, void *priv, |
728 | struct v4l2_capability *cap) | |
729 | { | |
340a30c5 | 730 | struct s2255_vc *vc = video_drvdata(file); |
731 | struct s2255_dev *dev = vc->dev; | |
39696009 | 732 | |
c0decac1 MCC |
733 | strscpy(cap->driver, "s2255", sizeof(cap->driver)); |
734 | strscpy(cap->card, "s2255", sizeof(cap->card)); | |
e22ed887 | 735 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
340a30c5 | 736 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | |
737 | V4L2_CAP_READWRITE; | |
39696009 | 738 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
38f993ad DA |
739 | return 0; |
740 | } | |
741 | ||
742 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
743 | struct v4l2_fmtdesc *f) | |
744 | { | |
6c61ac63 | 745 | int index = f->index; |
38f993ad DA |
746 | |
747 | if (index >= ARRAY_SIZE(formats)) | |
748 | return -EINVAL; | |
6c61ac63 DC |
749 | if (!jpeg_enable && ((formats[index].fourcc == V4L2_PIX_FMT_JPEG) || |
750 | (formats[index].fourcc == V4L2_PIX_FMT_MJPEG))) | |
751 | return -EINVAL; | |
c0decac1 | 752 | strscpy(f->description, formats[index].name, sizeof(f->description)); |
38f993ad DA |
753 | f->pixelformat = formats[index].fourcc; |
754 | return 0; | |
755 | } | |
756 | ||
757 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
758 | struct v4l2_format *f) | |
759 | { | |
340a30c5 | 760 | struct s2255_vc *vc = video_drvdata(file); |
5e950faf | 761 | int is_ntsc = vc->std & V4L2_STD_525_60; |
38f993ad | 762 | |
5e950faf DA |
763 | f->fmt.pix.width = vc->width; |
764 | f->fmt.pix.height = vc->height; | |
92513611 HV |
765 | if (f->fmt.pix.height >= |
766 | (is_ntsc ? NUM_LINES_1CIFS_NTSC : NUM_LINES_1CIFS_PAL) * 2) | |
767 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
768 | else | |
769 | f->fmt.pix.field = V4L2_FIELD_TOP; | |
5e950faf DA |
770 | f->fmt.pix.pixelformat = vc->fmt->fourcc; |
771 | f->fmt.pix.bytesperline = f->fmt.pix.width * (vc->fmt->depth >> 3); | |
38f993ad | 772 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; |
29ceb110 HV |
773 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
774 | f->fmt.pix.priv = 0; | |
3f8d6f73 | 775 | return 0; |
38f993ad DA |
776 | } |
777 | ||
778 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
779 | struct v4l2_format *f) | |
780 | { | |
781 | const struct s2255_fmt *fmt; | |
782 | enum v4l2_field field; | |
340a30c5 | 783 | struct s2255_vc *vc = video_drvdata(file); |
5e950faf | 784 | int is_ntsc = vc->std & V4L2_STD_525_60; |
38f993ad DA |
785 | |
786 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
787 | ||
788 | if (fmt == NULL) | |
789 | return -EINVAL; | |
790 | ||
791 | field = f->fmt.pix.field; | |
38f993ad | 792 | |
92cde477 | 793 | dprintk(vc->dev, 50, "%s NTSC: %d suggested width: %d, height: %d\n", |
85b85482 | 794 | __func__, is_ntsc, f->fmt.pix.width, f->fmt.pix.height); |
38f993ad DA |
795 | if (is_ntsc) { |
796 | /* NTSC */ | |
797 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_NTSC * 2) { | |
798 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC * 2; | |
92513611 | 799 | field = V4L2_FIELD_INTERLACED; |
38f993ad DA |
800 | } else { |
801 | f->fmt.pix.height = NUM_LINES_1CIFS_NTSC; | |
92513611 | 802 | field = V4L2_FIELD_TOP; |
38f993ad DA |
803 | } |
804 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_NTSC) | |
805 | f->fmt.pix.width = LINE_SZ_4CIFS_NTSC; | |
38f993ad DA |
806 | else |
807 | f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; | |
808 | } else { | |
809 | /* PAL */ | |
810 | if (f->fmt.pix.height >= NUM_LINES_1CIFS_PAL * 2) { | |
811 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL * 2; | |
92513611 | 812 | field = V4L2_FIELD_INTERLACED; |
38f993ad DA |
813 | } else { |
814 | f->fmt.pix.height = NUM_LINES_1CIFS_PAL; | |
92513611 | 815 | field = V4L2_FIELD_TOP; |
38f993ad | 816 | } |
92513611 | 817 | if (f->fmt.pix.width >= LINE_SZ_4CIFS_PAL) |
38f993ad | 818 | f->fmt.pix.width = LINE_SZ_4CIFS_PAL; |
92513611 | 819 | else |
38f993ad | 820 | f->fmt.pix.width = LINE_SZ_1CIFS_PAL; |
38f993ad | 821 | } |
38f993ad DA |
822 | f->fmt.pix.field = field; |
823 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; | |
824 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
29ceb110 HV |
825 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
826 | f->fmt.pix.priv = 0; | |
92cde477 | 827 | dprintk(vc->dev, 50, "%s: set width %d height %d field %d\n", __func__, |
85b85482 | 828 | f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); |
38f993ad DA |
829 | return 0; |
830 | } | |
831 | ||
832 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
833 | struct v4l2_format *f) | |
834 | { | |
340a30c5 | 835 | struct s2255_vc *vc = video_drvdata(file); |
38f993ad | 836 | const struct s2255_fmt *fmt; |
340a30c5 | 837 | struct vb2_queue *q = &vc->vb_vidq; |
fe85ce90 | 838 | struct s2255_mode mode; |
38f993ad | 839 | int ret; |
38f993ad | 840 | |
340a30c5 | 841 | ret = vidioc_try_fmt_vid_cap(file, vc, f); |
38f993ad DA |
842 | |
843 | if (ret < 0) | |
3f8d6f73 | 844 | return ret; |
38f993ad DA |
845 | |
846 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
847 | ||
848 | if (fmt == NULL) | |
849 | return -EINVAL; | |
850 | ||
340a30c5 | 851 | if (vb2_is_busy(q)) { |
92cde477 | 852 | dprintk(vc->dev, 1, "queue busy\n"); |
340a30c5 | 853 | return -EBUSY; |
38f993ad DA |
854 | } |
855 | ||
5e950faf DA |
856 | mode = vc->mode; |
857 | vc->fmt = fmt; | |
858 | vc->width = f->fmt.pix.width; | |
859 | vc->height = f->fmt.pix.height; | |
340a30c5 | 860 | vc->field = f->fmt.pix.field; |
5e950faf DA |
861 | if (vc->width > norm_minw(vc)) { |
862 | if (vc->height > norm_minh(vc)) { | |
863 | if (vc->cap_parm.capturemode & | |
85b85482 | 864 | V4L2_MODE_HIGHQUALITY) |
fe85ce90 | 865 | mode.scale = SCALE_4CIFSI; |
85b85482 | 866 | else |
fe85ce90 | 867 | mode.scale = SCALE_4CIFS; |
7d853532 | 868 | } else |
fe85ce90 | 869 | mode.scale = SCALE_2CIFS; |
38f993ad DA |
870 | |
871 | } else { | |
fe85ce90 | 872 | mode.scale = SCALE_1CIFS; |
38f993ad | 873 | } |
38f993ad | 874 | /* color mode */ |
5e950faf | 875 | switch (vc->fmt->fourcc) { |
38f993ad | 876 | case V4L2_PIX_FMT_GREY: |
fe85ce90 DA |
877 | mode.color &= ~MASK_COLOR; |
878 | mode.color |= COLOR_Y8; | |
38f993ad | 879 | break; |
14d96260 | 880 | case V4L2_PIX_FMT_JPEG: |
d0ef8540 | 881 | case V4L2_PIX_FMT_MJPEG: |
fe85ce90 DA |
882 | mode.color &= ~MASK_COLOR; |
883 | mode.color |= COLOR_JPG; | |
5e950faf | 884 | mode.color |= (vc->jpegqual << 8); |
14d96260 | 885 | break; |
38f993ad | 886 | case V4L2_PIX_FMT_YUV422P: |
fe85ce90 DA |
887 | mode.color &= ~MASK_COLOR; |
888 | mode.color |= COLOR_YUVPL; | |
38f993ad DA |
889 | break; |
890 | case V4L2_PIX_FMT_YUYV: | |
891 | case V4L2_PIX_FMT_UYVY: | |
892 | default: | |
fe85ce90 DA |
893 | mode.color &= ~MASK_COLOR; |
894 | mode.color |= COLOR_YUVPK; | |
38f993ad DA |
895 | break; |
896 | } | |
5e950faf | 897 | if ((mode.color & MASK_COLOR) != (vc->mode.color & MASK_COLOR)) |
fe85ce90 | 898 | mode.restart = 1; |
5e950faf | 899 | else if (mode.scale != vc->mode.scale) |
fe85ce90 | 900 | mode.restart = 1; |
5e950faf | 901 | else if (mode.format != vc->mode.format) |
fe85ce90 | 902 | mode.restart = 1; |
5e950faf DA |
903 | vc->mode = mode; |
904 | (void) s2255_set_mode(vc, &mode); | |
340a30c5 | 905 | return 0; |
38f993ad DA |
906 | } |
907 | ||
38f993ad | 908 | |
38f993ad DA |
909 | /* write to the configuration pipe, synchronously */ |
910 | static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf, | |
911 | int size) | |
912 | { | |
913 | int pipe; | |
914 | int done; | |
915 | long retval = -1; | |
916 | if (udev) { | |
917 | pipe = usb_sndbulkpipe(udev, S2255_CONFIG_EP); | |
918 | retval = usb_bulk_msg(udev, pipe, pbuf, size, &done, 500); | |
919 | } | |
920 | return retval; | |
921 | } | |
922 | ||
923 | static u32 get_transfer_size(struct s2255_mode *mode) | |
924 | { | |
925 | int linesPerFrame = LINE_SZ_DEF; | |
926 | int pixelsPerLine = NUM_LINES_DEF; | |
927 | u32 outImageSize; | |
928 | u32 usbInSize; | |
929 | unsigned int mask_mult; | |
930 | ||
931 | if (mode == NULL) | |
932 | return 0; | |
933 | ||
934 | if (mode->format == FORMAT_NTSC) { | |
935 | switch (mode->scale) { | |
936 | case SCALE_4CIFS: | |
7d853532 | 937 | case SCALE_4CIFSI: |
38f993ad DA |
938 | linesPerFrame = NUM_LINES_4CIFS_NTSC * 2; |
939 | pixelsPerLine = LINE_SZ_4CIFS_NTSC; | |
940 | break; | |
941 | case SCALE_2CIFS: | |
942 | linesPerFrame = NUM_LINES_2CIFS_NTSC; | |
943 | pixelsPerLine = LINE_SZ_2CIFS_NTSC; | |
944 | break; | |
945 | case SCALE_1CIFS: | |
946 | linesPerFrame = NUM_LINES_1CIFS_NTSC; | |
947 | pixelsPerLine = LINE_SZ_1CIFS_NTSC; | |
948 | break; | |
949 | default: | |
950 | break; | |
951 | } | |
952 | } else if (mode->format == FORMAT_PAL) { | |
953 | switch (mode->scale) { | |
954 | case SCALE_4CIFS: | |
7d853532 | 955 | case SCALE_4CIFSI: |
38f993ad DA |
956 | linesPerFrame = NUM_LINES_4CIFS_PAL * 2; |
957 | pixelsPerLine = LINE_SZ_4CIFS_PAL; | |
958 | break; | |
959 | case SCALE_2CIFS: | |
960 | linesPerFrame = NUM_LINES_2CIFS_PAL; | |
961 | pixelsPerLine = LINE_SZ_2CIFS_PAL; | |
962 | break; | |
963 | case SCALE_1CIFS: | |
964 | linesPerFrame = NUM_LINES_1CIFS_PAL; | |
965 | pixelsPerLine = LINE_SZ_1CIFS_PAL; | |
966 | break; | |
967 | default: | |
968 | break; | |
969 | } | |
970 | } | |
971 | outImageSize = linesPerFrame * pixelsPerLine; | |
14d96260 | 972 | if ((mode->color & MASK_COLOR) != COLOR_Y8) { |
38f993ad DA |
973 | /* 2 bytes/pixel if not monochrome */ |
974 | outImageSize *= 2; | |
975 | } | |
976 | ||
977 | /* total bytes to send including prefix and 4K padding; | |
978 | must be a multiple of USB_READ_SIZE */ | |
979 | usbInSize = outImageSize + PREFIX_SIZE; /* always send prefix */ | |
980 | mask_mult = 0xffffffffUL - DEF_USB_BLOCK + 1; | |
981 | /* if size not a multiple of USB_READ_SIZE */ | |
982 | if (usbInSize & ~mask_mult) | |
983 | usbInSize = (usbInSize & mask_mult) + (DEF_USB_BLOCK); | |
984 | return usbInSize; | |
985 | } | |
986 | ||
85b85482 | 987 | static void s2255_print_cfg(struct s2255_dev *sdev, struct s2255_mode *mode) |
38f993ad DA |
988 | { |
989 | struct device *dev = &sdev->udev->dev; | |
990 | dev_info(dev, "------------------------------------------------\n"); | |
85b85482 DA |
991 | dev_info(dev, "format: %d\nscale %d\n", mode->format, mode->scale); |
992 | dev_info(dev, "fdec: %d\ncolor %d\n", mode->fdec, mode->color); | |
38f993ad | 993 | dev_info(dev, "bright: 0x%x\n", mode->bright); |
38f993ad DA |
994 | dev_info(dev, "------------------------------------------------\n"); |
995 | } | |
996 | ||
997 | /* | |
998 | * set mode is the function which controls the DSP. | |
999 | * the restart parameter in struct s2255_mode should be set whenever | |
1000 | * the image size could change via color format, video system or image | |
1001 | * size. | |
1002 | * When the restart parameter is set, we sleep for ONE frame to allow the | |
1003 | * DSP time to get the new frame | |
1004 | */ | |
5e950faf | 1005 | static int s2255_set_mode(struct s2255_vc *vc, |
38f993ad DA |
1006 | struct s2255_mode *mode) |
1007 | { | |
1008 | int res; | |
38f993ad | 1009 | unsigned long chn_rev; |
5e950faf | 1010 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
0b84caab | 1011 | int i; |
47d8c881 | 1012 | __le32 *buffer = dev->cmdbuf; |
0b84caab | 1013 | |
47d8c881 | 1014 | mutex_lock(&dev->cmdlock); |
5e950faf DA |
1015 | chn_rev = G_chnmap[vc->idx]; |
1016 | dprintk(dev, 3, "%s channel: %d\n", __func__, vc->idx); | |
22b88d48 | 1017 | /* if JPEG, set the quality */ |
5a34d9df DA |
1018 | if ((mode->color & MASK_COLOR) == COLOR_JPG) { |
1019 | mode->color &= ~MASK_COLOR; | |
1020 | mode->color |= COLOR_JPG; | |
1021 | mode->color &= ~MASK_JPG_QUALITY; | |
5e950faf | 1022 | mode->color |= (vc->jpegqual << 8); |
5a34d9df | 1023 | } |
38f993ad | 1024 | /* save the mode */ |
5e950faf DA |
1025 | vc->mode = *mode; |
1026 | vc->req_image_size = get_transfer_size(mode); | |
1027 | dprintk(dev, 1, "%s: reqsize %ld\n", __func__, vc->req_image_size); | |
38f993ad DA |
1028 | /* set the mode */ |
1029 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1030 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
38f993ad | 1031 | buffer[2] = CMD_SET_MODE; |
0b84caab | 1032 | for (i = 0; i < sizeof(struct s2255_mode) / sizeof(u32); i++) |
5e950faf DA |
1033 | buffer[3 + i] = cpu_to_le32(((u32 *)&vc->mode)[i]); |
1034 | vc->setmode_ready = 0; | |
38f993ad DA |
1035 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
1036 | if (debug) | |
85b85482 | 1037 | s2255_print_cfg(dev, mode); |
38f993ad | 1038 | /* wait at least 3 frames before continuing */ |
14d96260 | 1039 | if (mode->restart) { |
5e950faf DA |
1040 | wait_event_timeout(vc->wait_setmode, |
1041 | (vc->setmode_ready != 0), | |
14d96260 | 1042 | msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); |
5e950faf | 1043 | if (vc->setmode_ready != 1) { |
f5402007 | 1044 | dprintk(dev, 0, "s2255: no set mode response\n"); |
14d96260 DA |
1045 | res = -EFAULT; |
1046 | } | |
1047 | } | |
38f993ad | 1048 | /* clear the restart flag */ |
5e950faf DA |
1049 | vc->mode.restart = 0; |
1050 | dprintk(dev, 1, "%s chn %d, result: %d\n", __func__, vc->idx, res); | |
47d8c881 | 1051 | mutex_unlock(&dev->cmdlock); |
38f993ad DA |
1052 | return res; |
1053 | } | |
1054 | ||
5e950faf | 1055 | static int s2255_cmd_status(struct s2255_vc *vc, u32 *pstatus) |
4de39f5d DA |
1056 | { |
1057 | int res; | |
4de39f5d | 1058 | u32 chn_rev; |
5e950faf | 1059 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
47d8c881 DA |
1060 | __le32 *buffer = dev->cmdbuf; |
1061 | ||
1062 | mutex_lock(&dev->cmdlock); | |
5e950faf DA |
1063 | chn_rev = G_chnmap[vc->idx]; |
1064 | dprintk(dev, 4, "%s chan %d\n", __func__, vc->idx); | |
4de39f5d DA |
1065 | /* form the get vid status command */ |
1066 | buffer[0] = IN_DATA_TOKEN; | |
3fa00605 | 1067 | buffer[1] = (__le32) cpu_to_le32(chn_rev); |
4de39f5d DA |
1068 | buffer[2] = CMD_STATUS; |
1069 | *pstatus = 0; | |
5e950faf | 1070 | vc->vidstatus_ready = 0; |
4de39f5d | 1071 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
5e950faf DA |
1072 | wait_event_timeout(vc->wait_vidstatus, |
1073 | (vc->vidstatus_ready != 0), | |
4de39f5d | 1074 | msecs_to_jiffies(S2255_VIDSTATUS_TIMEOUT)); |
5e950faf | 1075 | if (vc->vidstatus_ready != 1) { |
f5402007 | 1076 | dprintk(dev, 0, "s2255: no vidstatus response\n"); |
4de39f5d DA |
1077 | res = -EFAULT; |
1078 | } | |
5e950faf | 1079 | *pstatus = vc->vidstatus; |
f5402007 | 1080 | dprintk(dev, 4, "%s, vid status %d\n", __func__, *pstatus); |
47d8c881 | 1081 | mutex_unlock(&dev->cmdlock); |
4de39f5d DA |
1082 | return res; |
1083 | } | |
1084 | ||
340a30c5 | 1085 | static int start_streaming(struct vb2_queue *vq, unsigned int count) |
38f993ad | 1086 | { |
340a30c5 | 1087 | struct s2255_vc *vc = vb2_get_drv_priv(vq); |
38f993ad | 1088 | int j; |
92cde477 | 1089 | |
5e950faf DA |
1090 | vc->last_frame = -1; |
1091 | vc->bad_payload = 0; | |
1092 | vc->cur_frame = 0; | |
1093 | vc->frame_count = 0; | |
38f993ad | 1094 | for (j = 0; j < SYS_FRAMES; j++) { |
5e950faf DA |
1095 | vc->buffer.frame[j].ulState = S2255_READ_IDLE; |
1096 | vc->buffer.frame[j].cur_size = 0; | |
38f993ad | 1097 | } |
340a30c5 | 1098 | return s2255_start_acquire(vc); |
38f993ad DA |
1099 | } |
1100 | ||
340a30c5 | 1101 | /* abort streaming and wait for last buffer */ |
e37559b2 | 1102 | static void stop_streaming(struct vb2_queue *vq) |
38f993ad | 1103 | { |
340a30c5 | 1104 | struct s2255_vc *vc = vb2_get_drv_priv(vq); |
1105 | struct s2255_buffer *buf, *node; | |
1106 | unsigned long flags; | |
1107 | (void) s2255_stop_acquire(vc); | |
1108 | spin_lock_irqsave(&vc->qlock, flags); | |
1109 | list_for_each_entry_safe(buf, node, &vc->buf_list, list) { | |
1110 | list_del(&buf->list); | |
2d700715 | 1111 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); |
340a30c5 | 1112 | dprintk(vc->dev, 2, "[%p/%d] done\n", |
2d700715 | 1113 | buf, buf->vb.vb2_buf.index); |
340a30c5 | 1114 | } |
1115 | spin_unlock_irqrestore(&vc->qlock, flags); | |
38f993ad DA |
1116 | } |
1117 | ||
314527ac | 1118 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i) |
38f993ad | 1119 | { |
340a30c5 | 1120 | struct s2255_vc *vc = video_drvdata(file); |
fe85ce90 | 1121 | struct s2255_mode mode; |
340a30c5 | 1122 | struct vb2_queue *q = &vc->vb_vidq; |
1123 | ||
1124 | /* | |
1125 | * Changing the standard implies a format change, which is not allowed | |
1126 | * while buffers for use with streaming have already been allocated. | |
1127 | */ | |
1128 | if (vb2_is_busy(q)) | |
1129 | return -EBUSY; | |
469af77a | 1130 | |
92cde477 | 1131 | mode = vc->mode; |
314527ac | 1132 | if (i & V4L2_STD_525_60) { |
92cde477 | 1133 | dprintk(vc->dev, 4, "%s 60 Hz\n", __func__); |
e6b44bc5 | 1134 | /* if changing format, reset frame decimation/intervals */ |
fe85ce90 DA |
1135 | if (mode.format != FORMAT_NTSC) { |
1136 | mode.restart = 1; | |
1137 | mode.format = FORMAT_NTSC; | |
1138 | mode.fdec = FDEC_1; | |
5e950faf DA |
1139 | vc->width = LINE_SZ_4CIFS_NTSC; |
1140 | vc->height = NUM_LINES_4CIFS_NTSC * 2; | |
e6b44bc5 | 1141 | } |
314527ac | 1142 | } else if (i & V4L2_STD_625_50) { |
92cde477 | 1143 | dprintk(vc->dev, 4, "%s 50 Hz\n", __func__); |
fe85ce90 DA |
1144 | if (mode.format != FORMAT_PAL) { |
1145 | mode.restart = 1; | |
1146 | mode.format = FORMAT_PAL; | |
1147 | mode.fdec = FDEC_1; | |
5e950faf DA |
1148 | vc->width = LINE_SZ_4CIFS_PAL; |
1149 | vc->height = NUM_LINES_4CIFS_PAL * 2; | |
e6b44bc5 | 1150 | } |
340a30c5 | 1151 | } else |
1152 | return -EINVAL; | |
92cde477 | 1153 | vc->std = i; |
fe85ce90 | 1154 | if (mode.restart) |
92cde477 | 1155 | s2255_set_mode(vc, &mode); |
340a30c5 | 1156 | return 0; |
38f993ad DA |
1157 | } |
1158 | ||
469af77a HV |
1159 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *i) |
1160 | { | |
340a30c5 | 1161 | struct s2255_vc *vc = video_drvdata(file); |
469af77a | 1162 | |
92cde477 | 1163 | *i = vc->std; |
469af77a HV |
1164 | return 0; |
1165 | } | |
1166 | ||
38f993ad DA |
1167 | /* Sensoray 2255 is a multiple channel capture device. |
1168 | It does not have a "crossbar" of inputs. | |
1169 | We use one V4L device per channel. The user must | |
1170 | be aware that certain combinations are not allowed. | |
1171 | For instance, you cannot do full FPS on more than 2 channels(2 videodevs) | |
1172 | at once in color(you can do full fps on 4 channels with greyscale. | |
1173 | */ | |
1174 | static int vidioc_enum_input(struct file *file, void *priv, | |
1175 | struct v4l2_input *inp) | |
1176 | { | |
340a30c5 | 1177 | struct s2255_vc *vc = video_drvdata(file); |
92cde477 | 1178 | struct s2255_dev *dev = vc->dev; |
4de39f5d | 1179 | u32 status = 0; |
92cde477 | 1180 | |
38f993ad DA |
1181 | if (inp->index != 0) |
1182 | return -EINVAL; | |
38f993ad DA |
1183 | inp->type = V4L2_INPUT_TYPE_CAMERA; |
1184 | inp->std = S2255_NORMS; | |
4de39f5d DA |
1185 | inp->status = 0; |
1186 | if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) { | |
1187 | int rc; | |
92cde477 | 1188 | rc = s2255_cmd_status(vc, &status); |
f5402007 | 1189 | dprintk(dev, 4, "s2255_cmd_status rc: %d status %x\n", |
1190 | rc, status); | |
4de39f5d DA |
1191 | if (rc == 0) |
1192 | inp->status = (status & 0x01) ? 0 | |
1193 | : V4L2_IN_ST_NO_SIGNAL; | |
1194 | } | |
5a34d9df DA |
1195 | switch (dev->pid) { |
1196 | case 0x2255: | |
1197 | default: | |
c0decac1 | 1198 | strscpy(inp->name, "Composite", sizeof(inp->name)); |
5a34d9df DA |
1199 | break; |
1200 | case 0x2257: | |
c0decac1 | 1201 | strscpy(inp->name, (vc->idx < 2) ? "Composite" : "S-Video", |
5a34d9df DA |
1202 | sizeof(inp->name)); |
1203 | break; | |
1204 | } | |
3f8d6f73 | 1205 | return 0; |
38f993ad DA |
1206 | } |
1207 | ||
1208 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1209 | { | |
1210 | *i = 0; | |
1211 | return 0; | |
1212 | } | |
1213 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
1214 | { | |
1215 | if (i > 0) | |
1216 | return -EINVAL; | |
1217 | return 0; | |
1218 | } | |
1219 | ||
192f1e78 | 1220 | static int s2255_s_ctrl(struct v4l2_ctrl *ctrl) |
38f993ad | 1221 | { |
5e950faf DA |
1222 | struct s2255_vc *vc = |
1223 | container_of(ctrl->handler, struct s2255_vc, hdl); | |
fe85ce90 | 1224 | struct s2255_mode mode; |
5e950faf | 1225 | mode = vc->mode; |
2e70db9a DA |
1226 | /* update the mode to the corresponding value */ |
1227 | switch (ctrl->id) { | |
1228 | case V4L2_CID_BRIGHTNESS: | |
192f1e78 | 1229 | mode.bright = ctrl->val; |
2e70db9a DA |
1230 | break; |
1231 | case V4L2_CID_CONTRAST: | |
192f1e78 | 1232 | mode.contrast = ctrl->val; |
2e70db9a DA |
1233 | break; |
1234 | case V4L2_CID_HUE: | |
192f1e78 | 1235 | mode.hue = ctrl->val; |
2e70db9a DA |
1236 | break; |
1237 | case V4L2_CID_SATURATION: | |
192f1e78 | 1238 | mode.saturation = ctrl->val; |
2e70db9a | 1239 | break; |
192f1e78 | 1240 | case V4L2_CID_S2255_COLORFILTER: |
fe85ce90 | 1241 | mode.color &= ~MASK_INPUT_TYPE; |
192f1e78 | 1242 | mode.color |= !ctrl->val << 16; |
5a34d9df | 1243 | break; |
7041dec7 | 1244 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
5e950faf | 1245 | vc->jpegqual = ctrl->val; |
7041dec7 | 1246 | return 0; |
2e70db9a DA |
1247 | default: |
1248 | return -EINVAL; | |
38f993ad | 1249 | } |
fe85ce90 | 1250 | mode.restart = 0; |
2e70db9a DA |
1251 | /* set mode here. Note: stream does not need restarted. |
1252 | some V4L programs restart stream unnecessarily | |
1253 | after a s_crtl. | |
1254 | */ | |
5e950faf | 1255 | s2255_set_mode(vc, &mode); |
2e70db9a | 1256 | return 0; |
38f993ad DA |
1257 | } |
1258 | ||
22b88d48 DA |
1259 | static int vidioc_g_jpegcomp(struct file *file, void *priv, |
1260 | struct v4l2_jpegcompression *jc) | |
1261 | { | |
340a30c5 | 1262 | struct s2255_vc *vc = video_drvdata(file); |
7041dec7 HV |
1263 | |
1264 | memset(jc, 0, sizeof(*jc)); | |
5e950faf | 1265 | jc->quality = vc->jpegqual; |
92cde477 | 1266 | dprintk(vc->dev, 2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1267 | return 0; |
1268 | } | |
1269 | ||
1270 | static int vidioc_s_jpegcomp(struct file *file, void *priv, | |
d88aab53 | 1271 | const struct v4l2_jpegcompression *jc) |
22b88d48 | 1272 | { |
340a30c5 | 1273 | struct s2255_vc *vc = video_drvdata(file); |
1274 | ||
22b88d48 DA |
1275 | if (jc->quality < 0 || jc->quality > 100) |
1276 | return -EINVAL; | |
5e950faf | 1277 | v4l2_ctrl_s_ctrl(vc->jpegqual_ctrl, jc->quality); |
92cde477 | 1278 | dprintk(vc->dev, 2, "%s: quality %d\n", __func__, jc->quality); |
22b88d48 DA |
1279 | return 0; |
1280 | } | |
7d853532 DA |
1281 | |
1282 | static int vidioc_g_parm(struct file *file, void *priv, | |
1283 | struct v4l2_streamparm *sp) | |
1284 | { | |
e6b44bc5 | 1285 | __u32 def_num, def_dem; |
340a30c5 | 1286 | struct s2255_vc *vc = video_drvdata(file); |
1287 | ||
7d853532 DA |
1288 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1289 | return -EINVAL; | |
e6b44bc5 | 1290 | sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; |
5e950faf | 1291 | sp->parm.capture.capturemode = vc->cap_parm.capturemode; |
340a30c5 | 1292 | sp->parm.capture.readbuffers = S2255_MIN_BUFS; |
5e950faf DA |
1293 | def_num = (vc->mode.format == FORMAT_NTSC) ? 1001 : 1000; |
1294 | def_dem = (vc->mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 | 1295 | sp->parm.capture.timeperframe.denominator = def_dem; |
5e950faf | 1296 | switch (vc->mode.fdec) { |
e6b44bc5 DA |
1297 | default: |
1298 | case FDEC_1: | |
1299 | sp->parm.capture.timeperframe.numerator = def_num; | |
1300 | break; | |
1301 | case FDEC_2: | |
1302 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1303 | break; | |
1304 | case FDEC_3: | |
1305 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1306 | break; | |
1307 | case FDEC_5: | |
1308 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1309 | break; | |
1310 | } | |
92cde477 | 1311 | dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d\n", |
f5402007 | 1312 | __func__, |
e6b44bc5 DA |
1313 | sp->parm.capture.capturemode, |
1314 | sp->parm.capture.timeperframe.numerator, | |
1315 | sp->parm.capture.timeperframe.denominator); | |
7d853532 DA |
1316 | return 0; |
1317 | } | |
1318 | ||
1319 | static int vidioc_s_parm(struct file *file, void *priv, | |
1320 | struct v4l2_streamparm *sp) | |
1321 | { | |
340a30c5 | 1322 | struct s2255_vc *vc = video_drvdata(file); |
fe85ce90 | 1323 | struct s2255_mode mode; |
e6b44bc5 DA |
1324 | int fdec = FDEC_1; |
1325 | __u32 def_num, def_dem; | |
7d853532 DA |
1326 | if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1327 | return -EINVAL; | |
5e950faf | 1328 | mode = vc->mode; |
e6b44bc5 | 1329 | /* high quality capture mode requires a stream restart */ |
340a30c5 | 1330 | if ((vc->cap_parm.capturemode != sp->parm.capture.capturemode) |
1331 | && vb2_is_streaming(&vc->vb_vidq)) | |
e6b44bc5 | 1332 | return -EBUSY; |
fe85ce90 DA |
1333 | def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000; |
1334 | def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000; | |
e6b44bc5 DA |
1335 | if (def_dem != sp->parm.capture.timeperframe.denominator) |
1336 | sp->parm.capture.timeperframe.numerator = def_num; | |
1337 | else if (sp->parm.capture.timeperframe.numerator <= def_num) | |
1338 | sp->parm.capture.timeperframe.numerator = def_num; | |
1339 | else if (sp->parm.capture.timeperframe.numerator <= (def_num * 2)) { | |
1340 | sp->parm.capture.timeperframe.numerator = def_num * 2; | |
1341 | fdec = FDEC_2; | |
1342 | } else if (sp->parm.capture.timeperframe.numerator <= (def_num * 3)) { | |
1343 | sp->parm.capture.timeperframe.numerator = def_num * 3; | |
1344 | fdec = FDEC_3; | |
1345 | } else { | |
1346 | sp->parm.capture.timeperframe.numerator = def_num * 5; | |
1347 | fdec = FDEC_5; | |
1348 | } | |
fe85ce90 | 1349 | mode.fdec = fdec; |
e6b44bc5 | 1350 | sp->parm.capture.timeperframe.denominator = def_dem; |
340a30c5 | 1351 | sp->parm.capture.readbuffers = S2255_MIN_BUFS; |
5e950faf | 1352 | s2255_set_mode(vc, &mode); |
92cde477 | 1353 | dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n", |
e6b44bc5 DA |
1354 | __func__, |
1355 | sp->parm.capture.capturemode, | |
1356 | sp->parm.capture.timeperframe.numerator, | |
1357 | sp->parm.capture.timeperframe.denominator, fdec); | |
1358 | return 0; | |
1359 | } | |
7d853532 | 1360 | |
05e5d44b HV |
1361 | #define NUM_SIZE_ENUMS 3 |
1362 | static const struct v4l2_frmsize_discrete ntsc_sizes[] = { | |
1363 | { 640, 480 }, | |
1364 | { 640, 240 }, | |
1365 | { 320, 240 }, | |
1366 | }; | |
1367 | static const struct v4l2_frmsize_discrete pal_sizes[] = { | |
1368 | { 704, 576 }, | |
1369 | { 704, 288 }, | |
1370 | { 352, 288 }, | |
1371 | }; | |
1372 | ||
1373 | static int vidioc_enum_framesizes(struct file *file, void *priv, | |
1374 | struct v4l2_frmsizeenum *fe) | |
1375 | { | |
340a30c5 | 1376 | struct s2255_vc *vc = video_drvdata(file); |
5e950faf | 1377 | int is_ntsc = vc->std & V4L2_STD_525_60; |
05e5d44b HV |
1378 | const struct s2255_fmt *fmt; |
1379 | ||
1380 | if (fe->index >= NUM_SIZE_ENUMS) | |
1381 | return -EINVAL; | |
1382 | ||
1383 | fmt = format_by_fourcc(fe->pixel_format); | |
1384 | if (fmt == NULL) | |
1385 | return -EINVAL; | |
1386 | fe->type = V4L2_FRMSIZE_TYPE_DISCRETE; | |
1387 | fe->discrete = is_ntsc ? ntsc_sizes[fe->index] : pal_sizes[fe->index]; | |
1388 | return 0; | |
1389 | } | |
1390 | ||
e6b44bc5 DA |
1391 | static int vidioc_enum_frameintervals(struct file *file, void *priv, |
1392 | struct v4l2_frmivalenum *fe) | |
1393 | { | |
340a30c5 | 1394 | struct s2255_vc *vc = video_drvdata(file); |
05e5d44b HV |
1395 | const struct s2255_fmt *fmt; |
1396 | const struct v4l2_frmsize_discrete *sizes; | |
5e950faf | 1397 | int is_ntsc = vc->std & V4L2_STD_525_60; |
e6b44bc5 DA |
1398 | #define NUM_FRAME_ENUMS 4 |
1399 | int frm_dec[NUM_FRAME_ENUMS] = {1, 2, 3, 5}; | |
05e5d44b HV |
1400 | int i; |
1401 | ||
199ab8fe | 1402 | if (fe->index >= NUM_FRAME_ENUMS) |
e6b44bc5 | 1403 | return -EINVAL; |
05e5d44b HV |
1404 | |
1405 | fmt = format_by_fourcc(fe->pixel_format); | |
1406 | if (fmt == NULL) | |
e6b44bc5 | 1407 | return -EINVAL; |
05e5d44b HV |
1408 | |
1409 | sizes = is_ntsc ? ntsc_sizes : pal_sizes; | |
1410 | for (i = 0; i < NUM_SIZE_ENUMS; i++, sizes++) | |
1411 | if (fe->width == sizes->width && | |
1412 | fe->height == sizes->height) | |
1413 | break; | |
1414 | if (i == NUM_SIZE_ENUMS) | |
1415 | return -EINVAL; | |
1416 | ||
e6b44bc5 DA |
1417 | fe->type = V4L2_FRMIVAL_TYPE_DISCRETE; |
1418 | fe->discrete.denominator = is_ntsc ? 30000 : 25000; | |
1419 | fe->discrete.numerator = (is_ntsc ? 1001 : 1000) * frm_dec[fe->index]; | |
92cde477 | 1420 | dprintk(vc->dev, 4, "%s discrete %d/%d\n", __func__, |
f5402007 | 1421 | fe->discrete.numerator, |
e6b44bc5 | 1422 | fe->discrete.denominator); |
7d853532 DA |
1423 | return 0; |
1424 | } | |
e6b44bc5 | 1425 | |
340a30c5 | 1426 | static int s2255_open(struct file *file) |
38f993ad | 1427 | { |
5e950faf | 1428 | struct s2255_vc *vc = video_drvdata(file); |
340a30c5 | 1429 | struct s2255_dev *dev = vc->dev; |
14d96260 | 1430 | int state; |
340a30c5 | 1431 | int rc = 0; |
1432 | ||
1433 | rc = v4l2_fh_open(file); | |
1434 | if (rc != 0) | |
1435 | return rc; | |
1436 | ||
1437 | dprintk(dev, 1, "s2255: %s\n", __func__); | |
ff7e22df DA |
1438 | state = atomic_read(&dev->fw_data->fw_state); |
1439 | switch (state) { | |
1440 | case S2255_FW_DISCONNECTING: | |
14d96260 | 1441 | return -ENODEV; |
14d96260 | 1442 | case S2255_FW_FAILED: |
be9ed511 MCC |
1443 | s2255_dev_err(&dev->udev->dev, |
1444 | "firmware load failed. retrying.\n"); | |
e2a06704 | 1445 | s2255_fwload_start(dev); |
38f993ad | 1446 | wait_event_timeout(dev->fw_data->wait_fw, |
14d96260 DA |
1447 | ((atomic_read(&dev->fw_data->fw_state) |
1448 | == S2255_FW_SUCCESS) || | |
1449 | (atomic_read(&dev->fw_data->fw_state) | |
1450 | == S2255_FW_DISCONNECTING)), | |
38f993ad | 1451 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1452 | /* state may have changed, re-read */ |
1453 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1454 | break; |
1455 | case S2255_FW_NOTLOADED: | |
1456 | case S2255_FW_LOADED_DSPWAIT: | |
38f993ad DA |
1457 | /* give S2255_LOAD_TIMEOUT time for firmware to load in case |
1458 | driver loaded and then device immediately opened */ | |
f5402007 | 1459 | pr_info("%s waiting for firmware load\n", __func__); |
38f993ad | 1460 | wait_event_timeout(dev->fw_data->wait_fw, |
14d96260 DA |
1461 | ((atomic_read(&dev->fw_data->fw_state) |
1462 | == S2255_FW_SUCCESS) || | |
1463 | (atomic_read(&dev->fw_data->fw_state) | |
1464 | == S2255_FW_DISCONNECTING)), | |
eb78deec | 1465 | msecs_to_jiffies(S2255_LOAD_TIMEOUT)); |
ff7e22df DA |
1466 | /* state may have changed, re-read */ |
1467 | state = atomic_read(&dev->fw_data->fw_state); | |
14d96260 DA |
1468 | break; |
1469 | case S2255_FW_SUCCESS: | |
1470 | default: | |
1471 | break; | |
1472 | } | |
ff7e22df DA |
1473 | /* state may have changed in above switch statement */ |
1474 | switch (state) { | |
1475 | case S2255_FW_SUCCESS: | |
1476 | break; | |
1477 | case S2255_FW_FAILED: | |
f5402007 | 1478 | pr_info("2255 firmware load failed.\n"); |
ff7e22df DA |
1479 | return -ENODEV; |
1480 | case S2255_FW_DISCONNECTING: | |
f5402007 | 1481 | pr_info("%s: disconnecting\n", __func__); |
ff7e22df DA |
1482 | return -ENODEV; |
1483 | case S2255_FW_LOADED_DSPWAIT: | |
1484 | case S2255_FW_NOTLOADED: | |
f5402007 | 1485 | pr_info("%s: firmware not loaded, please retry\n", |
1486 | __func__); | |
eb78deec DA |
1487 | /* |
1488 | * Timeout on firmware load means device unusable. | |
1489 | * Set firmware failure state. | |
1490 | * On next s2255_open the firmware will be reloaded. | |
1491 | */ | |
1492 | atomic_set(&dev->fw_data->fw_state, | |
1493 | S2255_FW_FAILED); | |
ff7e22df DA |
1494 | return -EAGAIN; |
1495 | default: | |
f5402007 | 1496 | pr_info("%s: unknown state\n", __func__); |
ff7e22df | 1497 | return -EFAULT; |
38f993ad | 1498 | } |
5e950faf | 1499 | if (!vc->configured) { |
fe85ce90 | 1500 | /* configure channel to default state */ |
5e950faf DA |
1501 | vc->fmt = &formats[0]; |
1502 | s2255_set_mode(vc, &vc->mode); | |
1503 | vc->configured = 1; | |
14d96260 | 1504 | } |
38f993ad DA |
1505 | return 0; |
1506 | } | |
1507 | ||
d62e85a0 | 1508 | static void s2255_destroy(struct s2255_dev *dev) |
38f993ad | 1509 | { |
f5402007 | 1510 | dprintk(dev, 1, "%s", __func__); |
38f993ad DA |
1511 | /* board shutdown stops the read pipe if it is running */ |
1512 | s2255_board_shutdown(dev); | |
38f993ad | 1513 | /* make sure firmware still not trying to load */ |
9f6be2bc | 1514 | del_timer_sync(&dev->timer); /* only started in .probe and .open */ |
38f993ad | 1515 | if (dev->fw_data->fw_urb) { |
38f993ad DA |
1516 | usb_kill_urb(dev->fw_data->fw_urb); |
1517 | usb_free_urb(dev->fw_data->fw_urb); | |
1518 | dev->fw_data->fw_urb = NULL; | |
1519 | } | |
3fc82fa0 | 1520 | release_firmware(dev->fw_data->fw); |
f78d92c9 DA |
1521 | kfree(dev->fw_data->pfw_data); |
1522 | kfree(dev->fw_data); | |
ff7e22df DA |
1523 | /* reset the DSP so firmware can be reloaded next time */ |
1524 | s2255_reset_dsppower(dev); | |
ff7e22df | 1525 | mutex_destroy(&dev->lock); |
38f993ad | 1526 | usb_put_dev(dev->udev); |
fe85ce90 | 1527 | v4l2_device_unregister(&dev->v4l2_dev); |
47d8c881 | 1528 | kfree(dev->cmdbuf); |
b7732a32 | 1529 | kfree(dev); |
38f993ad DA |
1530 | } |
1531 | ||
bec43661 | 1532 | static const struct v4l2_file_operations s2255_fops_v4l = { |
38f993ad DA |
1533 | .owner = THIS_MODULE, |
1534 | .open = s2255_open, | |
340a30c5 | 1535 | .release = vb2_fop_release, |
1536 | .poll = vb2_fop_poll, | |
a19a5cd7 | 1537 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ |
340a30c5 | 1538 | .mmap = vb2_fop_mmap, |
1539 | .read = vb2_fop_read, | |
38f993ad DA |
1540 | }; |
1541 | ||
a399810c | 1542 | static const struct v4l2_ioctl_ops s2255_ioctl_ops = { |
38f993ad DA |
1543 | .vidioc_querycap = vidioc_querycap, |
1544 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1545 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1546 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1547 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
340a30c5 | 1548 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
1549 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1550 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1551 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
38f993ad | 1552 | .vidioc_s_std = vidioc_s_std, |
469af77a | 1553 | .vidioc_g_std = vidioc_g_std, |
38f993ad DA |
1554 | .vidioc_enum_input = vidioc_enum_input, |
1555 | .vidioc_g_input = vidioc_g_input, | |
1556 | .vidioc_s_input = vidioc_s_input, | |
340a30c5 | 1557 | .vidioc_streamon = vb2_ioctl_streamon, |
1558 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
22b88d48 DA |
1559 | .vidioc_s_jpegcomp = vidioc_s_jpegcomp, |
1560 | .vidioc_g_jpegcomp = vidioc_g_jpegcomp, | |
7d853532 DA |
1561 | .vidioc_s_parm = vidioc_s_parm, |
1562 | .vidioc_g_parm = vidioc_g_parm, | |
05e5d44b | 1563 | .vidioc_enum_framesizes = vidioc_enum_framesizes, |
e6b44bc5 | 1564 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, |
44d06d82 HV |
1565 | .vidioc_log_status = v4l2_ctrl_log_status, |
1566 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1567 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
a399810c HV |
1568 | }; |
1569 | ||
ff7e22df DA |
1570 | static void s2255_video_device_release(struct video_device *vdev) |
1571 | { | |
fe85ce90 | 1572 | struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); |
5e950faf DA |
1573 | struct s2255_vc *vc = |
1574 | container_of(vdev, struct s2255_vc, vdev); | |
192f1e78 | 1575 | |
f5402007 | 1576 | dprintk(dev, 4, "%s, chnls: %d\n", __func__, |
fe85ce90 | 1577 | atomic_read(&dev->num_channels)); |
192f1e78 | 1578 | |
5e950faf | 1579 | v4l2_ctrl_handler_free(&vc->hdl); |
f5402007 | 1580 | |
fe85ce90 | 1581 | if (atomic_dec_and_test(&dev->num_channels)) |
d62e85a0 | 1582 | s2255_destroy(dev); |
ff7e22df DA |
1583 | return; |
1584 | } | |
1585 | ||
86844942 | 1586 | static const struct video_device template = { |
a399810c | 1587 | .name = "s2255v", |
a399810c HV |
1588 | .fops = &s2255_fops_v4l, |
1589 | .ioctl_ops = &s2255_ioctl_ops, | |
ff7e22df | 1590 | .release = s2255_video_device_release, |
38f993ad | 1591 | .tvnorms = S2255_NORMS, |
38f993ad DA |
1592 | }; |
1593 | ||
192f1e78 HV |
1594 | static const struct v4l2_ctrl_ops s2255_ctrl_ops = { |
1595 | .s_ctrl = s2255_s_ctrl, | |
1596 | }; | |
1597 | ||
1598 | static const struct v4l2_ctrl_config color_filter_ctrl = { | |
1599 | .ops = &s2255_ctrl_ops, | |
1600 | .name = "Color Filter", | |
1601 | .id = V4L2_CID_S2255_COLORFILTER, | |
1602 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
1603 | .max = 1, | |
1604 | .step = 1, | |
1605 | .def = 1, | |
1606 | }; | |
1607 | ||
38f993ad DA |
1608 | static int s2255_probe_v4l(struct s2255_dev *dev) |
1609 | { | |
1610 | int ret; | |
1611 | int i; | |
1612 | int cur_nr = video_nr; | |
5e950faf | 1613 | struct s2255_vc *vc; |
340a30c5 | 1614 | struct vb2_queue *q; |
1615 | ||
65c6edb3 DA |
1616 | ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev); |
1617 | if (ret) | |
1618 | return ret; | |
38f993ad | 1619 | /* initialize all video 4 linux */ |
38f993ad DA |
1620 | /* register 4 video devices */ |
1621 | for (i = 0; i < MAX_CHANNELS; i++) { | |
5e950faf DA |
1622 | vc = &dev->vc[i]; |
1623 | INIT_LIST_HEAD(&vc->buf_list); | |
192f1e78 | 1624 | |
5e950faf DA |
1625 | v4l2_ctrl_handler_init(&vc->hdl, 6); |
1626 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, | |
192f1e78 | 1627 | V4L2_CID_BRIGHTNESS, -127, 127, 1, DEF_BRIGHT); |
5e950faf | 1628 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, |
192f1e78 | 1629 | V4L2_CID_CONTRAST, 0, 255, 1, DEF_CONTRAST); |
5e950faf | 1630 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, |
192f1e78 | 1631 | V4L2_CID_SATURATION, 0, 255, 1, DEF_SATURATION); |
5e950faf | 1632 | v4l2_ctrl_new_std(&vc->hdl, &s2255_ctrl_ops, |
192f1e78 | 1633 | V4L2_CID_HUE, 0, 255, 1, DEF_HUE); |
5e950faf | 1634 | vc->jpegqual_ctrl = v4l2_ctrl_new_std(&vc->hdl, |
7041dec7 HV |
1635 | &s2255_ctrl_ops, |
1636 | V4L2_CID_JPEG_COMPRESSION_QUALITY, | |
1637 | 0, 100, 1, S2255_DEF_JPEG_QUAL); | |
192f1e78 | 1638 | if (dev->dsp_fw_ver >= S2255_MIN_DSP_COLORFILTER && |
5e950faf DA |
1639 | (dev->pid != 0x2257 || vc->idx <= 1)) |
1640 | v4l2_ctrl_new_custom(&vc->hdl, &color_filter_ctrl, | |
f5402007 | 1641 | NULL); |
5e950faf DA |
1642 | if (vc->hdl.error) { |
1643 | ret = vc->hdl.error; | |
1644 | v4l2_ctrl_handler_free(&vc->hdl); | |
192f1e78 HV |
1645 | dev_err(&dev->udev->dev, "couldn't register control\n"); |
1646 | break; | |
1647 | } | |
340a30c5 | 1648 | q = &vc->vb_vidq; |
1649 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1650 | q->io_modes = VB2_MMAP | VB2_READ | VB2_USERPTR; | |
1651 | q->drv_priv = vc; | |
1652 | q->lock = &vc->vb_lock; | |
1653 | q->buf_struct_size = sizeof(struct s2255_buffer); | |
1654 | q->mem_ops = &vb2_vmalloc_memops; | |
1655 | q->ops = &s2255_video_qops; | |
ade48681 | 1656 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
340a30c5 | 1657 | ret = vb2_queue_init(q); |
1658 | if (ret != 0) { | |
1659 | dev_err(&dev->udev->dev, | |
1660 | "%s vb2_queue_init 0x%x\n", __func__, ret); | |
1661 | break; | |
1662 | } | |
1663 | /* register video devices */ | |
5e950faf | 1664 | vc->vdev = template; |
340a30c5 | 1665 | vc->vdev.queue = q; |
5e950faf DA |
1666 | vc->vdev.ctrl_handler = &vc->hdl; |
1667 | vc->vdev.lock = &dev->lock; | |
1668 | vc->vdev.v4l2_dev = &dev->v4l2_dev; | |
5e950faf | 1669 | video_set_drvdata(&vc->vdev, vc); |
38f993ad | 1670 | if (video_nr == -1) |
5e950faf | 1671 | ret = video_register_device(&vc->vdev, |
38f993ad DA |
1672 | VFL_TYPE_GRABBER, |
1673 | video_nr); | |
1674 | else | |
5e950faf | 1675 | ret = video_register_device(&vc->vdev, |
38f993ad DA |
1676 | VFL_TYPE_GRABBER, |
1677 | cur_nr + i); | |
fe85ce90 | 1678 | |
3a67b5cc | 1679 | if (ret) { |
38f993ad DA |
1680 | dev_err(&dev->udev->dev, |
1681 | "failed to register video device!\n"); | |
3a67b5cc | 1682 | break; |
38f993ad | 1683 | } |
fe85ce90 | 1684 | atomic_inc(&dev->num_channels); |
65c6edb3 | 1685 | v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n", |
5e950faf | 1686 | video_device_node_name(&vc->vdev)); |
3a67b5cc | 1687 | |
38f993ad | 1688 | } |
f5402007 | 1689 | pr_info("Sensoray 2255 V4L driver Revision: %s\n", |
1690 | S2255_VERSION); | |
3a67b5cc | 1691 | /* if no channels registered, return error and probe will fail*/ |
fe85ce90 | 1692 | if (atomic_read(&dev->num_channels) == 0) { |
65c6edb3 | 1693 | v4l2_device_unregister(&dev->v4l2_dev); |
3a67b5cc | 1694 | return ret; |
65c6edb3 | 1695 | } |
fe85ce90 | 1696 | if (atomic_read(&dev->num_channels) != MAX_CHANNELS) |
f5402007 | 1697 | pr_warn("s2255: Not all channels available.\n"); |
3a67b5cc | 1698 | return 0; |
38f993ad DA |
1699 | } |
1700 | ||
38f993ad DA |
1701 | /* this function moves the usb stream read pipe data |
1702 | * into the system buffers. | |
1703 | * returns 0 on success, EAGAIN if more data to process( call this | |
1704 | * function again). | |
1705 | * | |
1706 | * Received frame structure: | |
14d96260 | 1707 | * bytes 0-3: marker : 0x2255DA4AL (S2255_MARKER_FRAME) |
38f993ad DA |
1708 | * bytes 4-7: channel: 0-3 |
1709 | * bytes 8-11: payload size: size of the frame | |
1710 | * bytes 12-payloadsize+12: frame data | |
1711 | */ | |
1712 | static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) | |
1713 | { | |
38f993ad DA |
1714 | char *pdest; |
1715 | u32 offset = 0; | |
14d96260 | 1716 | int bframe = 0; |
38f993ad DA |
1717 | char *psrc; |
1718 | unsigned long copy_size; | |
1719 | unsigned long size; | |
1720 | s32 idx = -1; | |
1721 | struct s2255_framei *frm; | |
1722 | unsigned char *pdata; | |
5e950faf | 1723 | struct s2255_vc *vc; |
f5402007 | 1724 | dprintk(dev, 100, "buffer to user\n"); |
5e950faf DA |
1725 | vc = &dev->vc[dev->cc]; |
1726 | idx = vc->cur_frame; | |
1727 | frm = &vc->buffer.frame[idx]; | |
14d96260 DA |
1728 | if (frm->ulState == S2255_READ_IDLE) { |
1729 | int jj; | |
1730 | unsigned int cc; | |
3fa00605 | 1731 | __le32 *pdword; /*data from dsp is little endian */ |
14d96260 DA |
1732 | int payload; |
1733 | /* search for marker codes */ | |
1734 | pdata = (unsigned char *)pipe_info->transfer_buffer; | |
3fa00605 | 1735 | pdword = (__le32 *)pdata; |
14d96260 | 1736 | for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) { |
3fa00605 | 1737 | switch (*pdword) { |
14d96260 | 1738 | case S2255_MARKER_FRAME: |
f5402007 | 1739 | dprintk(dev, 4, "marker @ offset: %d [%x %x]\n", |
1740 | jj, pdata[0], pdata[1]); | |
14d96260 DA |
1741 | offset = jj + PREFIX_SIZE; |
1742 | bframe = 1; | |
3b2a6306 | 1743 | cc = le32_to_cpu(pdword[1]); |
14d96260 | 1744 | if (cc >= MAX_CHANNELS) { |
f5402007 | 1745 | dprintk(dev, 0, |
1746 | "bad channel\n"); | |
14d96260 DA |
1747 | return -EINVAL; |
1748 | } | |
1749 | /* reverse it */ | |
1750 | dev->cc = G_chnmap[cc]; | |
5e950faf | 1751 | vc = &dev->vc[dev->cc]; |
3b2a6306 | 1752 | payload = le32_to_cpu(pdword[3]); |
5e950faf DA |
1753 | if (payload > vc->req_image_size) { |
1754 | vc->bad_payload++; | |
14d96260 DA |
1755 | /* discard the bad frame */ |
1756 | return -EINVAL; | |
1757 | } | |
5e950faf DA |
1758 | vc->pkt_size = payload; |
1759 | vc->jpg_size = le32_to_cpu(pdword[4]); | |
14d96260 DA |
1760 | break; |
1761 | case S2255_MARKER_RESPONSE: | |
fe85ce90 | 1762 | |
14d96260 DA |
1763 | pdata += DEF_USB_BLOCK; |
1764 | jj += DEF_USB_BLOCK; | |
3b2a6306 | 1765 | if (le32_to_cpu(pdword[1]) >= MAX_CHANNELS) |
14d96260 | 1766 | break; |
3b2a6306 | 1767 | cc = G_chnmap[le32_to_cpu(pdword[1])]; |
f14a2972 | 1768 | if (cc >= MAX_CHANNELS) |
14d96260 | 1769 | break; |
5e950faf | 1770 | vc = &dev->vc[cc]; |
14d96260 | 1771 | switch (pdword[2]) { |
abce21f4 | 1772 | case S2255_RESPONSE_SETMODE: |
14d96260 DA |
1773 | /* check if channel valid */ |
1774 | /* set mode ready */ | |
5e950faf DA |
1775 | vc->setmode_ready = 1; |
1776 | wake_up(&vc->wait_setmode); | |
f5402007 | 1777 | dprintk(dev, 5, "setmode rdy %d\n", cc); |
38f993ad | 1778 | break; |
abce21f4 | 1779 | case S2255_RESPONSE_FW: |
14d96260 DA |
1780 | dev->chn_ready |= (1 << cc); |
1781 | if ((dev->chn_ready & 0x0f) != 0x0f) | |
1782 | break; | |
1783 | /* all channels ready */ | |
f5402007 | 1784 | pr_info("s2255: fw loaded\n"); |
14d96260 DA |
1785 | atomic_set(&dev->fw_data->fw_state, |
1786 | S2255_FW_SUCCESS); | |
1787 | wake_up(&dev->fw_data->wait_fw); | |
1788 | break; | |
4de39f5d | 1789 | case S2255_RESPONSE_STATUS: |
5e950faf DA |
1790 | vc->vidstatus = le32_to_cpu(pdword[3]); |
1791 | vc->vidstatus_ready = 1; | |
1792 | wake_up(&vc->wait_vidstatus); | |
f5402007 | 1793 | dprintk(dev, 5, "vstat %x chan %d\n", |
3b2a6306 | 1794 | le32_to_cpu(pdword[3]), cc); |
4de39f5d | 1795 | break; |
14d96260 | 1796 | default: |
f5402007 | 1797 | pr_info("s2255 unknown resp\n"); |
38f993ad | 1798 | } |
ec33fbd5 MCC |
1799 | pdata++; |
1800 | break; | |
14d96260 | 1801 | default: |
38f993ad | 1802 | pdata++; |
14d96260 | 1803 | break; |
38f993ad | 1804 | } |
14d96260 DA |
1805 | if (bframe) |
1806 | break; | |
1807 | } /* for */ | |
1808 | if (!bframe) | |
1809 | return -EINVAL; | |
38f993ad | 1810 | } |
5e950faf DA |
1811 | vc = &dev->vc[dev->cc]; |
1812 | idx = vc->cur_frame; | |
1813 | frm = &vc->buffer.frame[idx]; | |
14d96260 | 1814 | /* search done. now find out if should be acquiring on this channel */ |
340a30c5 | 1815 | if (!vb2_is_streaming(&vc->vb_vidq)) { |
14d96260 DA |
1816 | /* we found a frame, but this channel is turned off */ |
1817 | frm->ulState = S2255_READ_IDLE; | |
1818 | return -EINVAL; | |
38f993ad DA |
1819 | } |
1820 | ||
14d96260 DA |
1821 | if (frm->ulState == S2255_READ_IDLE) { |
1822 | frm->ulState = S2255_READ_FRAME; | |
1823 | frm->cur_size = 0; | |
38f993ad DA |
1824 | } |
1825 | ||
14d96260 DA |
1826 | /* skip the marker 512 bytes (and offset if out of sync) */ |
1827 | psrc = (u8 *)pipe_info->transfer_buffer + offset; | |
1828 | ||
1829 | ||
38f993ad | 1830 | if (frm->lpvbits == NULL) { |
f5402007 | 1831 | dprintk(dev, 1, "s2255 frame buffer == NULL.%p %p %d %d", |
38f993ad DA |
1832 | frm, dev, dev->cc, idx); |
1833 | return -ENOMEM; | |
1834 | } | |
1835 | ||
1836 | pdest = frm->lpvbits + frm->cur_size; | |
1837 | ||
14d96260 | 1838 | copy_size = (pipe_info->cur_transfer_size - offset); |
38f993ad | 1839 | |
5e950faf | 1840 | size = vc->pkt_size - PREFIX_SIZE; |
38f993ad | 1841 | |
14d96260 | 1842 | /* sanity check on pdest */ |
5e950faf | 1843 | if ((copy_size + frm->cur_size) < vc->req_image_size) |
14d96260 | 1844 | memcpy(pdest, psrc, copy_size); |
38f993ad | 1845 | |
38f993ad | 1846 | frm->cur_size += copy_size; |
f5402007 | 1847 | dprintk(dev, 4, "cur_size: %lu, size: %lu\n", frm->cur_size, size); |
14d96260 DA |
1848 | |
1849 | if (frm->cur_size >= size) { | |
f5402007 | 1850 | dprintk(dev, 2, "******[%d]Buffer[%d]full*******\n", |
fe85ce90 | 1851 | dev->cc, idx); |
5e950faf DA |
1852 | vc->last_frame = vc->cur_frame; |
1853 | vc->cur_frame++; | |
38f993ad | 1854 | /* end of system frame ring buffer, start at zero */ |
5e950faf DA |
1855 | if ((vc->cur_frame == SYS_FRAMES) || |
1856 | (vc->cur_frame == vc->buffer.dwFrames)) | |
1857 | vc->cur_frame = 0; | |
14d96260 | 1858 | /* frame ready */ |
340a30c5 | 1859 | if (vb2_is_streaming(&vc->vb_vidq)) |
5e950faf DA |
1860 | s2255_got_frame(vc, vc->jpg_size); |
1861 | vc->frame_count++; | |
14d96260 DA |
1862 | frm->ulState = S2255_READ_IDLE; |
1863 | frm->cur_size = 0; | |
1864 | ||
38f993ad DA |
1865 | } |
1866 | /* done successfully */ | |
1867 | return 0; | |
1868 | } | |
1869 | ||
1870 | static void s2255_read_video_callback(struct s2255_dev *dev, | |
1871 | struct s2255_pipeinfo *pipe_info) | |
1872 | { | |
1873 | int res; | |
f5402007 | 1874 | dprintk(dev, 50, "callback read video\n"); |
38f993ad DA |
1875 | |
1876 | if (dev->cc >= MAX_CHANNELS) { | |
1877 | dev->cc = 0; | |
1878 | dev_err(&dev->udev->dev, "invalid channel\n"); | |
1879 | return; | |
1880 | } | |
1881 | /* otherwise copy to the system buffers */ | |
1882 | res = save_frame(dev, pipe_info); | |
14d96260 | 1883 | if (res != 0) |
f5402007 | 1884 | dprintk(dev, 4, "s2255: read callback failed\n"); |
38f993ad | 1885 | |
f5402007 | 1886 | dprintk(dev, 50, "callback read video done\n"); |
38f993ad DA |
1887 | return; |
1888 | } | |
1889 | ||
1890 | static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, | |
1891 | u16 Index, u16 Value, void *TransferBuffer, | |
1892 | s32 TransferBufferLength, int bOut) | |
1893 | { | |
1894 | int r; | |
db65c49e MCC |
1895 | unsigned char *buf; |
1896 | ||
1897 | buf = kmalloc(TransferBufferLength, GFP_KERNEL); | |
1898 | if (!buf) | |
1899 | return -ENOMEM; | |
1900 | ||
38f993ad DA |
1901 | if (!bOut) { |
1902 | r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), | |
1903 | Request, | |
1904 | USB_TYPE_VENDOR | USB_RECIP_DEVICE | | |
1905 | USB_DIR_IN, | |
db65c49e | 1906 | Value, Index, buf, |
38f993ad | 1907 | TransferBufferLength, HZ * 5); |
db65c49e MCC |
1908 | |
1909 | if (r >= 0) | |
1910 | memcpy(TransferBuffer, buf, TransferBufferLength); | |
38f993ad | 1911 | } else { |
db65c49e | 1912 | memcpy(buf, TransferBuffer, TransferBufferLength); |
38f993ad DA |
1913 | r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), |
1914 | Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
db65c49e | 1915 | Value, Index, buf, |
38f993ad DA |
1916 | TransferBufferLength, HZ * 5); |
1917 | } | |
db65c49e | 1918 | kfree(buf); |
38f993ad DA |
1919 | return r; |
1920 | } | |
1921 | ||
1922 | /* | |
1923 | * retrieve FX2 firmware version. future use. | |
1924 | * @param dev pointer to device extension | |
1925 | * @return -1 for fail, else returns firmware version as an int(16 bits) | |
1926 | */ | |
1927 | static int s2255_get_fx2fw(struct s2255_dev *dev) | |
1928 | { | |
1929 | int fw; | |
1930 | int ret; | |
1931 | unsigned char transBuffer[64]; | |
1932 | ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, 2, | |
1933 | S2255_VR_IN); | |
1934 | if (ret < 0) | |
f5402007 | 1935 | dprintk(dev, 2, "get fw error: %x\n", ret); |
38f993ad | 1936 | fw = transBuffer[0] + (transBuffer[1] << 8); |
f5402007 | 1937 | dprintk(dev, 2, "Get FW %x %x\n", transBuffer[0], transBuffer[1]); |
38f993ad DA |
1938 | return fw; |
1939 | } | |
1940 | ||
1941 | /* | |
1942 | * Create the system ring buffer to copy frames into from the | |
1943 | * usb read pipe. | |
1944 | */ | |
5e950faf | 1945 | static int s2255_create_sys_buffers(struct s2255_vc *vc) |
38f993ad DA |
1946 | { |
1947 | unsigned long i; | |
1948 | unsigned long reqsize; | |
5e950faf | 1949 | vc->buffer.dwFrames = SYS_FRAMES; |
38f993ad DA |
1950 | /* always allocate maximum size(PAL) for system buffers */ |
1951 | reqsize = SYS_FRAMES_MAXSIZE; | |
1952 | ||
1953 | if (reqsize > SYS_FRAMES_MAXSIZE) | |
1954 | reqsize = SYS_FRAMES_MAXSIZE; | |
1955 | ||
1956 | for (i = 0; i < SYS_FRAMES; i++) { | |
1957 | /* allocate the frames */ | |
5e950faf DA |
1958 | vc->buffer.frame[i].lpvbits = vmalloc(reqsize); |
1959 | vc->buffer.frame[i].size = reqsize; | |
1960 | if (vc->buffer.frame[i].lpvbits == NULL) { | |
f5402007 | 1961 | pr_info("out of memory. using less frames\n"); |
5e950faf | 1962 | vc->buffer.dwFrames = i; |
38f993ad DA |
1963 | break; |
1964 | } | |
1965 | } | |
1966 | ||
1967 | /* make sure internal states are set */ | |
1968 | for (i = 0; i < SYS_FRAMES; i++) { | |
5e950faf DA |
1969 | vc->buffer.frame[i].ulState = 0; |
1970 | vc->buffer.frame[i].cur_size = 0; | |
38f993ad DA |
1971 | } |
1972 | ||
5e950faf DA |
1973 | vc->cur_frame = 0; |
1974 | vc->last_frame = -1; | |
38f993ad DA |
1975 | return 0; |
1976 | } | |
1977 | ||
5e950faf | 1978 | static int s2255_release_sys_buffers(struct s2255_vc *vc) |
38f993ad DA |
1979 | { |
1980 | unsigned long i; | |
38f993ad | 1981 | for (i = 0; i < SYS_FRAMES; i++) { |
83f56f7c | 1982 | vfree(vc->buffer.frame[i].lpvbits); |
5e950faf | 1983 | vc->buffer.frame[i].lpvbits = NULL; |
38f993ad DA |
1984 | } |
1985 | return 0; | |
1986 | } | |
1987 | ||
1988 | static int s2255_board_init(struct s2255_dev *dev) | |
1989 | { | |
38f993ad DA |
1990 | struct s2255_mode mode_def = DEF_MODEI_NTSC_CONT; |
1991 | int fw_ver; | |
ab85c6a3 DA |
1992 | int j; |
1993 | struct s2255_pipeinfo *pipe = &dev->pipe; | |
f5402007 | 1994 | dprintk(dev, 4, "board init: %p", dev); |
ab85c6a3 DA |
1995 | memset(pipe, 0, sizeof(*pipe)); |
1996 | pipe->dev = dev; | |
1997 | pipe->cur_transfer_size = S2255_USB_XFER_SIZE; | |
1998 | pipe->max_transfer_size = S2255_USB_XFER_SIZE; | |
1999 | ||
2000 | pipe->transfer_buffer = kzalloc(pipe->max_transfer_size, | |
2001 | GFP_KERNEL); | |
2002 | if (pipe->transfer_buffer == NULL) { | |
f5402007 | 2003 | dprintk(dev, 1, "out of memory!\n"); |
ab85c6a3 | 2004 | return -ENOMEM; |
38f993ad | 2005 | } |
38f993ad DA |
2006 | /* query the firmware */ |
2007 | fw_ver = s2255_get_fx2fw(dev); | |
2008 | ||
f5402007 | 2009 | pr_info("s2255: usb firmware version %d.%d\n", |
2010 | (fw_ver >> 8) & 0xff, | |
2011 | fw_ver & 0xff); | |
abce21f4 DA |
2012 | |
2013 | if (fw_ver < S2255_CUR_USB_FWVER) | |
f5402007 | 2014 | pr_info("s2255: newer USB firmware available\n"); |
38f993ad DA |
2015 | |
2016 | for (j = 0; j < MAX_CHANNELS; j++) { | |
5e950faf | 2017 | struct s2255_vc *vc = &dev->vc[j]; |
5e950faf | 2018 | vc->mode = mode_def; |
5a34d9df | 2019 | if (dev->pid == 0x2257 && j > 1) |
5e950faf DA |
2020 | vc->mode.color |= (1 << 16); |
2021 | vc->jpegqual = S2255_DEF_JPEG_QUAL; | |
2022 | vc->width = LINE_SZ_4CIFS_NTSC; | |
2023 | vc->height = NUM_LINES_4CIFS_NTSC * 2; | |
2024 | vc->std = V4L2_STD_NTSC_M; | |
2025 | vc->fmt = &formats[0]; | |
2026 | vc->mode.restart = 1; | |
2027 | vc->req_image_size = get_transfer_size(&mode_def); | |
2028 | vc->frame_count = 0; | |
38f993ad | 2029 | /* create the system buffers */ |
5e950faf | 2030 | s2255_create_sys_buffers(vc); |
38f993ad DA |
2031 | } |
2032 | /* start read pipe */ | |
2033 | s2255_start_readpipe(dev); | |
f5402007 | 2034 | dprintk(dev, 1, "%s: success\n", __func__); |
38f993ad DA |
2035 | return 0; |
2036 | } | |
2037 | ||
2038 | static int s2255_board_shutdown(struct s2255_dev *dev) | |
2039 | { | |
2040 | u32 i; | |
f5402007 | 2041 | dprintk(dev, 1, "%s: dev: %p", __func__, dev); |
38f993ad DA |
2042 | |
2043 | for (i = 0; i < MAX_CHANNELS; i++) { | |
340a30c5 | 2044 | if (vb2_is_streaming(&dev->vc[i].vb_vidq)) |
5e950faf | 2045 | s2255_stop_acquire(&dev->vc[i]); |
38f993ad | 2046 | } |
38f993ad | 2047 | s2255_stop_readpipe(dev); |
38f993ad | 2048 | for (i = 0; i < MAX_CHANNELS; i++) |
5e950faf | 2049 | s2255_release_sys_buffers(&dev->vc[i]); |
ab85c6a3 DA |
2050 | /* release transfer buffer */ |
2051 | kfree(dev->pipe.transfer_buffer); | |
38f993ad DA |
2052 | return 0; |
2053 | } | |
2054 | ||
2055 | static void read_pipe_completion(struct urb *purb) | |
2056 | { | |
2057 | struct s2255_pipeinfo *pipe_info; | |
2058 | struct s2255_dev *dev; | |
2059 | int status; | |
2060 | int pipe; | |
38f993ad | 2061 | pipe_info = purb->context; |
38f993ad | 2062 | if (pipe_info == NULL) { |
be9ed511 | 2063 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2064 | return; |
2065 | } | |
38f993ad DA |
2066 | dev = pipe_info->dev; |
2067 | if (dev == NULL) { | |
be9ed511 | 2068 | dev_err(&purb->dev->dev, "no context!\n"); |
38f993ad DA |
2069 | return; |
2070 | } | |
2071 | status = purb->status; | |
b02064ca DA |
2072 | /* if shutting down, do not resubmit, exit immediately */ |
2073 | if (status == -ESHUTDOWN) { | |
f5402007 | 2074 | dprintk(dev, 2, "%s: err shutdown\n", __func__); |
b02064ca | 2075 | pipe_info->err_count++; |
38f993ad DA |
2076 | return; |
2077 | } | |
2078 | ||
2079 | if (pipe_info->state == 0) { | |
f5402007 | 2080 | dprintk(dev, 2, "%s: exiting USB pipe", __func__); |
38f993ad DA |
2081 | return; |
2082 | } | |
2083 | ||
b02064ca DA |
2084 | if (status == 0) |
2085 | s2255_read_video_callback(dev, pipe_info); | |
2086 | else { | |
2087 | pipe_info->err_count++; | |
f5402007 | 2088 | dprintk(dev, 1, "%s: failed URB %d\n", __func__, status); |
b02064ca | 2089 | } |
38f993ad | 2090 | |
38f993ad DA |
2091 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
2092 | /* reuse urb */ | |
2093 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2094 | pipe, | |
2095 | pipe_info->transfer_buffer, | |
2096 | pipe_info->cur_transfer_size, | |
2097 | read_pipe_completion, pipe_info); | |
2098 | ||
2099 | if (pipe_info->state != 0) { | |
f5402007 | 2100 | if (usb_submit_urb(pipe_info->stream_urb, GFP_ATOMIC)) |
38f993ad | 2101 | dev_err(&dev->udev->dev, "error submitting urb\n"); |
38f993ad | 2102 | } else { |
f5402007 | 2103 | dprintk(dev, 2, "%s :complete state 0\n", __func__); |
38f993ad DA |
2104 | } |
2105 | return; | |
2106 | } | |
2107 | ||
2108 | static int s2255_start_readpipe(struct s2255_dev *dev) | |
2109 | { | |
2110 | int pipe; | |
2111 | int retval; | |
ab85c6a3 | 2112 | struct s2255_pipeinfo *pipe_info = &dev->pipe; |
38f993ad | 2113 | pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); |
f5402007 | 2114 | dprintk(dev, 2, "%s: IN %d\n", __func__, dev->read_endpoint); |
ab85c6a3 DA |
2115 | pipe_info->state = 1; |
2116 | pipe_info->err_count = 0; | |
2117 | pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL); | |
fc56da79 | 2118 | if (!pipe_info->stream_urb) |
ab85c6a3 | 2119 | return -ENOMEM; |
ab85c6a3 DA |
2120 | /* transfer buffer allocated in board_init */ |
2121 | usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, | |
2122 | pipe, | |
2123 | pipe_info->transfer_buffer, | |
2124 | pipe_info->cur_transfer_size, | |
2125 | read_pipe_completion, pipe_info); | |
ab85c6a3 DA |
2126 | retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL); |
2127 | if (retval) { | |
f5402007 | 2128 | pr_err("s2255: start read pipe failed\n"); |
ab85c6a3 DA |
2129 | return retval; |
2130 | } | |
38f993ad DA |
2131 | return 0; |
2132 | } | |
2133 | ||
2134 | /* starts acquisition process */ | |
5e950faf | 2135 | static int s2255_start_acquire(struct s2255_vc *vc) |
38f993ad | 2136 | { |
38f993ad DA |
2137 | int res; |
2138 | unsigned long chn_rev; | |
2139 | int j; | |
5e950faf | 2140 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
47d8c881 | 2141 | __le32 *buffer = dev->cmdbuf; |
38f993ad | 2142 | |
47d8c881 DA |
2143 | mutex_lock(&dev->cmdlock); |
2144 | chn_rev = G_chnmap[vc->idx]; | |
5e950faf DA |
2145 | vc->last_frame = -1; |
2146 | vc->bad_payload = 0; | |
2147 | vc->cur_frame = 0; | |
38f993ad | 2148 | for (j = 0; j < SYS_FRAMES; j++) { |
5e950faf DA |
2149 | vc->buffer.frame[j].ulState = 0; |
2150 | vc->buffer.frame[j].cur_size = 0; | |
38f993ad DA |
2151 | } |
2152 | ||
2153 | /* send the start command */ | |
47d8c881 DA |
2154 | buffer[0] = IN_DATA_TOKEN; |
2155 | buffer[1] = (__le32) cpu_to_le32(chn_rev); | |
2156 | buffer[2] = CMD_START; | |
38f993ad DA |
2157 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
2158 | if (res != 0) | |
2159 | dev_err(&dev->udev->dev, "CMD_START error\n"); | |
2160 | ||
5e950faf | 2161 | dprintk(dev, 2, "start acquire exit[%d] %d\n", vc->idx, res); |
47d8c881 | 2162 | mutex_unlock(&dev->cmdlock); |
6a5b63b3 | 2163 | return res; |
38f993ad DA |
2164 | } |
2165 | ||
5e950faf | 2166 | static int s2255_stop_acquire(struct s2255_vc *vc) |
38f993ad | 2167 | { |
38f993ad DA |
2168 | int res; |
2169 | unsigned long chn_rev; | |
5e950faf | 2170 | struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev); |
47d8c881 DA |
2171 | __le32 *buffer = dev->cmdbuf; |
2172 | ||
2173 | mutex_lock(&dev->cmdlock); | |
5e950faf | 2174 | chn_rev = G_chnmap[vc->idx]; |
38f993ad | 2175 | /* send the stop command */ |
47d8c881 DA |
2176 | buffer[0] = IN_DATA_TOKEN; |
2177 | buffer[1] = (__le32) cpu_to_le32(chn_rev); | |
2178 | buffer[2] = CMD_STOP; | |
2179 | ||
38f993ad | 2180 | res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); |
38f993ad DA |
2181 | if (res != 0) |
2182 | dev_err(&dev->udev->dev, "CMD_STOP error\n"); | |
47d8c881 | 2183 | |
5e950faf | 2184 | dprintk(dev, 4, "%s: chn %d, res %d\n", __func__, vc->idx, res); |
47d8c881 | 2185 | mutex_unlock(&dev->cmdlock); |
14d96260 | 2186 | return res; |
38f993ad DA |
2187 | } |
2188 | ||
2189 | static void s2255_stop_readpipe(struct s2255_dev *dev) | |
2190 | { | |
ab85c6a3 | 2191 | struct s2255_pipeinfo *pipe = &dev->pipe; |
8b661b50 | 2192 | |
ab85c6a3 DA |
2193 | pipe->state = 0; |
2194 | if (pipe->stream_urb) { | |
2195 | /* cancel urb */ | |
2196 | usb_kill_urb(pipe->stream_urb); | |
2197 | usb_free_urb(pipe->stream_urb); | |
2198 | pipe->stream_urb = NULL; | |
38f993ad | 2199 | } |
f5402007 | 2200 | dprintk(dev, 4, "%s", __func__); |
38f993ad DA |
2201 | return; |
2202 | } | |
2203 | ||
e2a06704 | 2204 | static void s2255_fwload_start(struct s2255_dev *dev) |
38f993ad | 2205 | { |
e2a06704 | 2206 | s2255_reset_dsppower(dev); |
38f993ad DA |
2207 | dev->fw_data->fw_size = dev->fw_data->fw->size; |
2208 | atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED); | |
2209 | memcpy(dev->fw_data->pfw_data, | |
2210 | dev->fw_data->fw->data, CHUNK_SIZE); | |
2211 | dev->fw_data->fw_loaded = CHUNK_SIZE; | |
2212 | usb_fill_bulk_urb(dev->fw_data->fw_urb, dev->udev, | |
2213 | usb_sndbulkpipe(dev->udev, 2), | |
2214 | dev->fw_data->pfw_data, | |
2215 | CHUNK_SIZE, s2255_fwchunk_complete, | |
2216 | dev->fw_data); | |
2217 | mod_timer(&dev->timer, jiffies + HZ); | |
2218 | } | |
2219 | ||
2220 | /* standard usb probe function */ | |
2221 | static int s2255_probe(struct usb_interface *interface, | |
2222 | const struct usb_device_id *id) | |
2223 | { | |
2224 | struct s2255_dev *dev = NULL; | |
2225 | struct usb_host_interface *iface_desc; | |
2226 | struct usb_endpoint_descriptor *endpoint; | |
2227 | int i; | |
2228 | int retval = -ENOMEM; | |
14d96260 DA |
2229 | __le32 *pdata; |
2230 | int fw_size; | |
47d8c881 | 2231 | |
38f993ad DA |
2232 | /* allocate memory for our device state and initialize it to zero */ |
2233 | dev = kzalloc(sizeof(struct s2255_dev), GFP_KERNEL); | |
2234 | if (dev == NULL) { | |
be9ed511 | 2235 | s2255_dev_err(&interface->dev, "out of memory\n"); |
ff7e22df | 2236 | return -ENOMEM; |
38f993ad | 2237 | } |
47d8c881 DA |
2238 | |
2239 | dev->cmdbuf = kzalloc(S2255_CMDBUF_SIZE, GFP_KERNEL); | |
2240 | if (dev->cmdbuf == NULL) { | |
2241 | s2255_dev_err(&interface->dev, "out of memory\n"); | |
e21c94e7 | 2242 | goto errorFWDATA1; |
47d8c881 DA |
2243 | } |
2244 | ||
fe85ce90 | 2245 | atomic_set(&dev->num_channels, 0); |
ff3ec57d | 2246 | dev->pid = id->idProduct; |
38f993ad DA |
2247 | dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL); |
2248 | if (!dev->fw_data) | |
ff7e22df | 2249 | goto errorFWDATA1; |
38f993ad | 2250 | mutex_init(&dev->lock); |
47d8c881 | 2251 | mutex_init(&dev->cmdlock); |
38f993ad DA |
2252 | /* grab usb_device and save it */ |
2253 | dev->udev = usb_get_dev(interface_to_usbdev(interface)); | |
2254 | if (dev->udev == NULL) { | |
2255 | dev_err(&interface->dev, "null usb device\n"); | |
2256 | retval = -ENODEV; | |
ff7e22df | 2257 | goto errorUDEV; |
38f993ad | 2258 | } |
f5402007 | 2259 | dev_dbg(&interface->dev, "dev: %p, udev %p interface %p\n", |
2260 | dev, dev->udev, interface); | |
38f993ad DA |
2261 | dev->interface = interface; |
2262 | /* set up the endpoint information */ | |
2263 | iface_desc = interface->cur_altsetting; | |
f5402007 | 2264 | dev_dbg(&interface->dev, "num EP: %d\n", |
2265 | iface_desc->desc.bNumEndpoints); | |
38f993ad DA |
2266 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { |
2267 | endpoint = &iface_desc->endpoint[i].desc; | |
2268 | if (!dev->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { | |
2269 | /* we found the bulk in endpoint */ | |
2270 | dev->read_endpoint = endpoint->bEndpointAddress; | |
2271 | } | |
2272 | } | |
2273 | ||
2274 | if (!dev->read_endpoint) { | |
be9ed511 | 2275 | dev_err(&interface->dev, "Could not find bulk-in endpoint\n"); |
ff7e22df | 2276 | goto errorEP; |
38f993ad | 2277 | } |
74ee0477 | 2278 | timer_setup(&dev->timer, s2255_timer, 0); |
38f993ad | 2279 | init_waitqueue_head(&dev->fw_data->wait_fw); |
4de39f5d | 2280 | for (i = 0; i < MAX_CHANNELS; i++) { |
5e950faf DA |
2281 | struct s2255_vc *vc = &dev->vc[i]; |
2282 | vc->idx = i; | |
2283 | vc->dev = dev; | |
2284 | init_waitqueue_head(&vc->wait_setmode); | |
2285 | init_waitqueue_head(&vc->wait_vidstatus); | |
340a30c5 | 2286 | spin_lock_init(&vc->qlock); |
2287 | mutex_init(&vc->vb_lock); | |
4de39f5d | 2288 | } |
38f993ad DA |
2289 | |
2290 | dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); | |
fc56da79 | 2291 | if (!dev->fw_data->fw_urb) |
ff7e22df | 2292 | goto errorFWURB; |
ff7e22df | 2293 | |
38f993ad DA |
2294 | dev->fw_data->pfw_data = kzalloc(CHUNK_SIZE, GFP_KERNEL); |
2295 | if (!dev->fw_data->pfw_data) { | |
2296 | dev_err(&interface->dev, "out of memory!\n"); | |
ff7e22df | 2297 | goto errorFWDATA2; |
38f993ad DA |
2298 | } |
2299 | /* load the first chunk */ | |
2300 | if (request_firmware(&dev->fw_data->fw, | |
2301 | FIRMWARE_FILE_NAME, &dev->udev->dev)) { | |
f5402007 | 2302 | dev_err(&interface->dev, "sensoray 2255 failed to get firmware\n"); |
ff7e22df | 2303 | goto errorREQFW; |
38f993ad | 2304 | } |
14d96260 DA |
2305 | /* check the firmware is valid */ |
2306 | fw_size = dev->fw_data->fw->size; | |
2307 | pdata = (__le32 *) &dev->fw_data->fw->data[fw_size - 8]; | |
38f993ad | 2308 | |
14d96260 | 2309 | if (*pdata != S2255_FW_MARKER) { |
f5402007 | 2310 | dev_err(&interface->dev, "Firmware invalid.\n"); |
14d96260 | 2311 | retval = -ENODEV; |
ff7e22df | 2312 | goto errorFWMARKER; |
14d96260 DA |
2313 | } else { |
2314 | /* make sure firmware is the latest */ | |
2315 | __le32 *pRel; | |
2316 | pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4]; | |
f5402007 | 2317 | pr_info("s2255 dsp fw version %x\n", le32_to_cpu(*pRel)); |
3b2a6306 DC |
2318 | dev->dsp_fw_ver = le32_to_cpu(*pRel); |
2319 | if (dev->dsp_fw_ver < S2255_CUR_DSP_FWVER) | |
f5402007 | 2320 | pr_info("s2255: f2255usb.bin out of date.\n"); |
3b2a6306 DC |
2321 | if (dev->pid == 0x2257 && |
2322 | dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) | |
f5402007 | 2323 | pr_warn("2257 needs firmware %d or above.\n", |
2324 | S2255_MIN_DSP_COLORFILTER); | |
14d96260 | 2325 | } |
14d96260 | 2326 | usb_reset_device(dev->udev); |
38f993ad | 2327 | /* load 2255 board specific */ |
abce21f4 DA |
2328 | retval = s2255_board_init(dev); |
2329 | if (retval) | |
ff7e22df | 2330 | goto errorBOARDINIT; |
e2a06704 | 2331 | s2255_fwload_start(dev); |
ff7e22df DA |
2332 | /* loads v4l specific */ |
2333 | retval = s2255_probe_v4l(dev); | |
2334 | if (retval) | |
3a67b5cc | 2335 | goto errorBOARDINIT; |
38f993ad DA |
2336 | dev_info(&interface->dev, "Sensoray 2255 detected\n"); |
2337 | return 0; | |
ff7e22df DA |
2338 | errorBOARDINIT: |
2339 | s2255_board_shutdown(dev); | |
2340 | errorFWMARKER: | |
2341 | release_firmware(dev->fw_data->fw); | |
2342 | errorREQFW: | |
2343 | kfree(dev->fw_data->pfw_data); | |
2344 | errorFWDATA2: | |
2345 | usb_free_urb(dev->fw_data->fw_urb); | |
2346 | errorFWURB: | |
9f6be2bc | 2347 | del_timer_sync(&dev->timer); |
ff7e22df DA |
2348 | errorEP: |
2349 | usb_put_dev(dev->udev); | |
2350 | errorUDEV: | |
2351 | kfree(dev->fw_data); | |
ff7e22df DA |
2352 | mutex_destroy(&dev->lock); |
2353 | errorFWDATA1: | |
47d8c881 | 2354 | kfree(dev->cmdbuf); |
ff7e22df | 2355 | kfree(dev); |
f5402007 | 2356 | pr_warn("Sensoray 2255 driver load failed: 0x%x\n", retval); |
38f993ad DA |
2357 | return retval; |
2358 | } | |
2359 | ||
2360 | /* disconnect routine. when board is removed physically or with rmmod */ | |
2361 | static void s2255_disconnect(struct usb_interface *interface) | |
2362 | { | |
65c6edb3 | 2363 | struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface)); |
14d96260 | 2364 | int i; |
fe85ce90 | 2365 | int channels = atomic_read(&dev->num_channels); |
a19a5cd7 | 2366 | mutex_lock(&dev->lock); |
fe85ce90 | 2367 | v4l2_device_disconnect(&dev->v4l2_dev); |
a19a5cd7 | 2368 | mutex_unlock(&dev->lock); |
d62e85a0 | 2369 | /*see comments in the uvc_driver.c usb disconnect function */ |
fe85ce90 | 2370 | atomic_inc(&dev->num_channels); |
ff7e22df | 2371 | /* unregister each video device. */ |
fe85ce90 | 2372 | for (i = 0; i < channels; i++) |
5e950faf | 2373 | video_unregister_device(&dev->vc[i].vdev); |
ff7e22df | 2374 | /* wake up any of our timers */ |
14d96260 DA |
2375 | atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); |
2376 | wake_up(&dev->fw_data->wait_fw); | |
2377 | for (i = 0; i < MAX_CHANNELS; i++) { | |
5e950faf DA |
2378 | dev->vc[i].setmode_ready = 1; |
2379 | wake_up(&dev->vc[i].wait_setmode); | |
2380 | dev->vc[i].vidstatus_ready = 1; | |
2381 | wake_up(&dev->vc[i].wait_vidstatus); | |
14d96260 | 2382 | } |
fe85ce90 | 2383 | if (atomic_dec_and_test(&dev->num_channels)) |
d62e85a0 | 2384 | s2255_destroy(dev); |
ff7e22df | 2385 | dev_info(&interface->dev, "%s\n", __func__); |
38f993ad DA |
2386 | } |
2387 | ||
2388 | static struct usb_driver s2255_driver = { | |
be9ed511 | 2389 | .name = S2255_DRIVER_NAME, |
38f993ad DA |
2390 | .probe = s2255_probe, |
2391 | .disconnect = s2255_disconnect, | |
2392 | .id_table = s2255_table, | |
2393 | }; | |
2394 | ||
ecb3b2b3 | 2395 | module_usb_driver(s2255_driver); |
38f993ad DA |
2396 | |
2397 | MODULE_DESCRIPTION("Sensoray 2255 Video for Linux driver"); | |
2398 | MODULE_AUTHOR("Dean Anderson (Sensoray Company Inc.)"); | |
2399 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 2400 | MODULE_VERSION(S2255_VERSION); |
1bec982d | 2401 | MODULE_FIRMWARE(FIRMWARE_FILE_NAME); |