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Diffstat (limited to 'drivers/media/video/saa7146.h')
| -rw-r--r-- | drivers/media/video/saa7146.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/media/video/saa7146.h b/drivers/media/video/saa7146.h new file mode 100644 index 000000000000..f305ec802ea6 --- /dev/null +++ b/drivers/media/video/saa7146.h @@ -0,0 +1,115 @@ +/* + saa7146.h - definitions philips saa7146 based cards + Copyright (C) 1999 Nathan Laredo (laredo@gnu.org) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef __SAA7146__ +#define __SAA7146__ + +#define SAA7146_VERSION_CODE 0x000101 + +#include <linux/types.h> +#include <linux/wait.h> + +#include <linux/videodev.h> + +#ifndef O_NONCAP +#define O_NONCAP O_TRUNC +#endif + +#define MAX_GBUFFERS 2 +#define FBUF_SIZE 0x190000 + +#ifdef __KERNEL__ + +struct saa7146_window +{ + int x, y; + ushort width, height; + ushort bpp, bpl; + ushort swidth, sheight; + short cropx, cropy; + ushort cropwidth, cropheight; + unsigned long vidadr; + int color_fmt; + ushort depth; +}; + +/* Per-open data for handling multiple opens on one device */ +struct device_open +{ + int isopen; + int noncapturing; + struct saa7146 *dev; +}; +#define MAX_OPENS 3 + +struct saa7146 +{ + struct video_device video_dev; + struct video_picture picture; + struct video_audio audio_dev; + struct video_info vidinfo; + int user; + int cap; + int capuser; + int irqstate; /* irq routine is state driven */ + int writemode; + int playmode; + unsigned int nr; + unsigned long irq; /* IRQ used by SAA7146 card */ + unsigned short id; + struct pci_dev *dev; + unsigned char revision; + unsigned char boardcfg[64]; /* 64 bytes of config from eeprom */ + unsigned long saa7146_adr; /* bus address of IO mem from PCI BIOS */ + struct saa7146_window win; + unsigned char __iomem *saa7146_mem; /* pointer to mapped IO memory */ + struct device_open open_data[MAX_OPENS]; +#define MAX_MARKS 16 + /* for a/v sync */ + int endmark[MAX_MARKS], endmarkhead, endmarktail; + u32 *dmaRPS1, *pageRPS1, *dmaRPS2, *pageRPS2, *dmavid1, *dmavid2, + *dmavid3, *dmaa1in, *dmaa1out, *dmaa2in, *dmaa2out, + *pagedebi, *pagevid1, *pagevid2, *pagevid3, *pagea1in, + *pagea1out, *pagea2in, *pagea2out; + wait_queue_head_t i2cq, debiq, audq, vidq; + u8 *vidbuf, *audbuf, *osdbuf, *dmadebi; + int audhead, vidhead, osdhead, audtail, vidtail, osdtail; + spinlock_t lock; /* the device lock */ +}; +#endif + +#ifdef _ALPHA_SAA7146 +#define saawrite(dat,adr) writel((dat), saa->saa7146_adr+(adr)) +#define saaread(adr) readl(saa->saa7146_adr+(adr)) +#else +#define saawrite(dat,adr) writel((dat), saa->saa7146_mem+(adr)) +#define saaread(adr) readl(saa->saa7146_mem+(adr)) +#endif + +#define saaand(dat,adr) saawrite((dat) & saaread(adr), adr) +#define saaor(dat,adr) saawrite((dat) | saaread(adr), adr) +#define saaaor(dat,mask,adr) saawrite((dat) | ((mask) & saaread(adr)), adr) + +/* bitmask of attached hardware found */ +#define SAA7146_UNKNOWN 0x00000000 +#define SAA7146_SAA7111 0x00000001 +#define SAA7146_SAA7121 0x00000002 +#define SAA7146_IBMMPEG 0x00000004 + +#endif |