projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d56410e0 | 1 | /* |
| 1da177e4 LT |
2 | saa7146.h - definitions philips saa7146 based cards |
| 3 | Copyright (C) 1999 Nathan Laredo (laredo@gnu.org) | |
| d56410e0 | 4 | |
| 1da177e4 LT |
5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by | |
| 7 | the Free Software Foundation; either version 2 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| 16 | along with this program; if not, write to the Free Software | |
| 17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef __SAA7146__ | |
| 21 | #define __SAA7146__ | |
| 22 | ||
| 23 | #define SAA7146_VERSION_CODE 0x000101 | |
| 24 | ||
| 25 | #include <linux/types.h> | |
| 26 | #include <linux/wait.h> | |
| 27 | ||
| 28 | #include <linux/videodev.h> | |
| 29 | ||
| d56410e0 | 30 | #ifndef O_NONCAP |
| 1da177e4 LT |
31 | #define O_NONCAP O_TRUNC |
| 32 | #endif | |
| 33 | ||
| 34 | #define MAX_GBUFFERS 2 | |
| 35 | #define FBUF_SIZE 0x190000 | |
| 36 | ||
| 37 | #ifdef __KERNEL__ | |
| 38 | ||
| d56410e0 | 39 | struct saa7146_window |
| 1da177e4 LT |
40 | { |
| 41 | int x, y; | |
| 42 | ushort width, height; | |
| 43 | ushort bpp, bpl; | |
| 44 | ushort swidth, sheight; | |
| 45 | short cropx, cropy; | |
| 46 | ushort cropwidth, cropheight; | |
| 47 | unsigned long vidadr; | |
| 48 | int color_fmt; | |
| 49 | ushort depth; | |
| 50 | }; | |
| 51 | ||
| 52 | /* Per-open data for handling multiple opens on one device */ | |
| 53 | struct device_open | |
| 54 | { | |
| 55 | int isopen; | |
| 56 | int noncapturing; | |
| 57 | struct saa7146 *dev; | |
| 58 | }; | |
| 59 | #define MAX_OPENS 3 | |
| 60 | ||
| 61 | struct saa7146 | |
| 62 | { | |
| 63 | struct video_device video_dev; | |
| 64 | struct video_picture picture; | |
| 65 | struct video_audio audio_dev; | |
| 66 | struct video_info vidinfo; | |
| 67 | int user; | |
| 68 | int cap; | |
| 69 | int capuser; | |
| 70 | int irqstate; /* irq routine is state driven */ | |
| 71 | int writemode; | |
| 72 | int playmode; | |
| d56410e0 | 73 | unsigned int nr; |
| 1da177e4 LT |
74 | unsigned long irq; /* IRQ used by SAA7146 card */ |
| 75 | unsigned short id; | |
| 1da177e4 LT |
76 | unsigned char revision; |
| 77 | unsigned char boardcfg[64]; /* 64 bytes of config from eeprom */ | |
| 78 | unsigned long saa7146_adr; /* bus address of IO mem from PCI BIOS */ | |
| 79 | struct saa7146_window win; | |
| 80 | unsigned char __iomem *saa7146_mem; /* pointer to mapped IO memory */ | |
| 81 | struct device_open open_data[MAX_OPENS]; | |
| 82 | #define MAX_MARKS 16 | |
| 83 | /* for a/v sync */ | |
| 84 | int endmark[MAX_MARKS], endmarkhead, endmarktail; | |
| 85 | u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2, | |
| 86 | *dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out, | |
| 87 | *pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in, | |
| 88 | *pagea1out, *pagea2in, *pagea2out; | |
| 89 | wait_queue_head_t i2cq, debiq, audq, vidq; | |
| 90 | u8 *vidbuf, *audbuf, *osdbuf, *dmadebi; | |
| 91 | int audhead, vidhead, osdhead, audtail, vidtail, osdtail; | |
| 92 | spinlock_t lock; /* the device lock */ | |
| 93 | }; | |
| 94 | #endif | |
| 95 | ||
| 96 | #ifdef _ALPHA_SAA7146 | |
| 97 | #define saawrite(dat,adr) writel((dat), saa->saa7146_adr+(adr)) | |
| 98 | #define saaread(adr) readl(saa->saa7146_adr+(adr)) | |
| 99 | #else | |
| 100 | #define saawrite(dat,adr) writel((dat), saa->saa7146_mem+(adr)) | |
| 101 | #define saaread(adr) readl(saa->saa7146_mem+(adr)) | |
| 102 | #endif | |
| 103 | ||
| 104 | #define saaand(dat,adr) saawrite((dat) & saaread(adr), adr) | |
| 105 | #define saaor(dat,adr) saawrite((dat) | saaread(adr), adr) | |
| 106 | #define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr) | |
| 107 | ||
| 108 | /* bitmask of attached hardware found */ | |
| 109 | #define SAA7146_UNKNOWN 0x00000000 | |
| 110 | #define SAA7146_SAA7111 0x00000001 | |
| 111 | #define SAA7146_SAA7121 0x00000002 | |
| 112 | #define SAA7146_IBMMPEG 0x00000004 | |
| 113 | ||
| 114 | #endif |