1/* 2 saa7146.h - definitions philips saa7146 based cards 3 Copyright (C) 1999 Nathan Laredo (laredo@gnu.org) 4 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#ifndef O_NONCAP 29#define O_NONCAP O_TRUNC 30#endif 31 32#define MAX_GBUFFERS 2 33#define FBUF_SIZE 0x190000 34 35#ifdef __KERNEL__ 36 37struct saa7146_window 38{ 39 int x, y; 40 ushort width, height; 41 ushort bpp, bpl; 42 ushort swidth, sheight; 43 short cropx, cropy; 44 ushort cropwidth, cropheight; 45 unsigned long vidadr; 46 int color_fmt; 47 ushort depth; 48}; 49 50/* Per-open data for handling multiple opens on one device */ 51struct device_open 52{ 53 int isopen; 54 int noncapturing; 55 struct saa7146 *dev; 56}; 57#define MAX_OPENS 3 58 59struct saa7146 60{ 61 struct video_device video_dev; 62 struct video_picture picture; 63 struct video_audio audio_dev; 64 struct video_info vidinfo; 65 int user; 66 int cap; 67 int capuser; 68 int irqstate; /* irq routine is state driven */ 69 int writemode; 70 int playmode; 71 unsigned int nr; 72 unsigned long irq; /* IRQ used by SAA7146 card */ 73 unsigned short id; 74 unsigned char revision; 75 unsigned char boardcfg[64]; /* 64 bytes of config from eeprom */ 76 unsigned long saa7146_adr; /* bus address of IO mem from PCI BIOS */ 77 struct saa7146_window win; 78 unsigned char __iomem *saa7146_mem; /* pointer to mapped IO memory */ 79 struct device_open open_data[MAX_OPENS]; 80#define MAX_MARKS 16 81 /* for a/v sync */ 82 int endmark[MAX_MARKS], endmarkhead, endmarktail; 83 u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2, 84 *dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out, 85 *pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in, 86 *pagea1out, *pagea2in, *pagea2out; 87 wait_queue_head_t i2cq, debiq, audq, vidq; 88 u8 *vidbuf, *audbuf, *osdbuf, *dmadebi; 89 int audhead, vidhead, osdhead, audtail, vidtail, osdtail; 90 spinlock_t lock; /* the device lock */ 91}; 92#endif 93 94#ifdef _ALPHA_SAA7146 95#define saawrite(dat,adr) writel((dat), saa->saa7146_adr+(adr)) 96#define saaread(adr) readl(saa->saa7146_adr+(adr)) 97#else 98#define saawrite(dat,adr) writel((dat), saa->saa7146_mem+(adr)) 99#define saaread(adr) readl(saa->saa7146_mem+(adr)) 100#endif 101 102#define saaand(dat,adr) saawrite((dat) & saaread(adr), adr) 103#define saaor(dat,adr) saawrite((dat) | saaread(adr), adr) 104#define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr) 105 106/* bitmask of attached hardware found */ 107#define SAA7146_UNKNOWN 0x00000000 108#define SAA7146_SAA7111 0x00000001 109#define SAA7146_SAA7121 0x00000002 110#define SAA7146_IBMMPEG 0x00000004 111 112#endif 113