bttvp.h
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上传日期:2013-04-10
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- /*
- bttv - Bt848 frame grabber driver
- bttv's *private* header file -- nobody else than bttv itself
- should ever include this file.
- Copyright (C) 1996,97 Ralph Metzler (rjkm@thp.uni-koeln.de)
- (c) 1999,2000 Gerd Knorr <kraxel@goldbach.in-berlin.de>
- 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 _BTTVP_H_
- #define _BTTVP_H_
- #define BTTV_VERSION_CODE KERNEL_VERSION(0,7,96)
- #include <linux/types.h>
- #include <linux/wait.h>
- #include <linux/i2c.h>
- #include <linux/i2c-algo-bit.h>
- #include "bt848.h"
- #include "bttv.h"
- #include "audiochip.h"
- #ifdef __KERNEL__
- /* ---------------------------------------------------------- */
- /* bttv-driver.c */
- /* insmod options / kernel args */
- extern int no_overlay;
- extern unsigned int bttv_verbose;
- extern unsigned int bttv_debug;
- extern unsigned int bttv_gpio;
- extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
- extern int init_bttv_i2c(struct bttv *btv);
- extern int pvr_boot(struct bttv *btv);
- #define dprintk if (bttv_debug) printk
- /* Anybody who uses more than four? */
- #define BTTV_MAX 4
- extern int bttv_num; /* number of Bt848s in use */
- extern struct bttv bttvs[BTTV_MAX];
- #ifndef O_NONCAP
- #define O_NONCAP O_TRUNC
- #endif
- #ifdef VIDEODAT_HACK
- # define VBI_MAXLINES 19
- #else
- # define VBI_MAXLINES 16
- #endif
- #define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
- #define MAX_GBUFFERS 64
- #define RISCMEM_LEN (32744*2)
- #define BTTV_MAX_FBUF 0x208000
- struct bttv_window
- {
- int x, y;
- ushort width, height;
- ushort bpp, bpl;
- ushort swidth, sheight;
- unsigned long vidadr;
- ushort freq;
- int norm;
- int interlace;
- int color_fmt;
- ushort depth;
- };
- struct bttv_pll_info {
- unsigned int pll_ifreq; /* PLL input frequency */
- unsigned int pll_ofreq; /* PLL output frequency */
- unsigned int pll_crystal; /* Crystal used for input */
- unsigned int pll_current; /* Currently programmed ofreq */
- };
- struct bttv_gbuf {
- int stat;
- #define GBUFFER_UNUSED 0
- #define GBUFFER_GRABBING 1
- #define GBUFFER_DONE 2
- #define GBUFFER_ERROR 3
- struct timeval tv;
-
- u16 width;
- u16 height;
- u16 fmt;
-
- u32 *risc;
- unsigned long ro;
- unsigned long re;
- };
- struct bttv {
- struct video_device video_dev;
- struct video_device radio_dev;
- struct video_device vbi_dev;
- struct video_picture picture; /* Current picture params */
- struct video_audio audio_dev; /* Current audio params */
- spinlock_t s_lock;
- struct semaphore lock;
- int user;
- int capuser;
- /* i2c */
- struct i2c_adapter i2c_adap;
- struct i2c_algo_bit_data i2c_algo;
- struct i2c_client i2c_client;
- int i2c_state, i2c_rc;
- struct i2c_client *i2c_clients[I2C_CLIENTS_MAX];
- int tuner_type;
- int channel;
-
- unsigned int nr;
- unsigned short id;
- struct pci_dev *dev;
- unsigned char revision;
- unsigned long bt848_adr; /* bus address of IO mem returned by PCI BIOS */
- unsigned char *bt848_mem; /* pointer to mapped IO memory */
- unsigned long busriscmem;
- u32 *riscmem;
-
- unsigned char *vbibuf;
- struct bttv_window win;
- int fb_color_ctl;
- int type; /* card type */
- int cardid;
- int audio; /* audio mode */
- int audio_chip; /* set to one of the chips supported by bttv.c */
- int radio;
- int has_radio;
- /* miro/pinnacle + Aimslab VHX
- philips matchbox (tea5757 radio tuner) support */
- int has_matchbox;
- int mbox_we;
- int mbox_data;
- int mbox_clk;
- int mbox_most;
- int mbox_mask;
- u32 *risc_jmp;
- u32 *vbi_odd;
- u32 *vbi_even;
- u32 bus_vbi_even;
- u32 bus_vbi_odd;
- wait_queue_head_t vbiq;
- wait_queue_head_t capq;
- int vbip;
- u32 *risc_scr_odd;
- u32 *risc_scr_even;
- u32 risc_cap_odd;
- u32 risc_cap_even;
- int scr_on;
- int vbi_on;
- struct video_clip *cliprecs;
- struct bttv_gbuf *gbuf;
- int gqueue[MAX_GBUFFERS];
- int gq_in,gq_out,gq_grab,gq_start;
- char *fbuffer;
- struct bttv_pll_info pll;
- unsigned int Fsc;
- unsigned int field;
- unsigned int last_field; /* number of last grabbed field */
- int i2c_command;
- int triton1;
- int errors;
- int needs_restart;
- wait_queue_head_t gpioq;
- int shutdown;
- void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
- };
- #endif
- #define btwrite(dat,adr) writel((dat), (char *) (btv->bt848_mem+(adr)))
- #define btread(adr) readl(btv->bt848_mem+(adr))
- #define btand(dat,adr) btwrite((dat) & btread(adr), adr)
- #define btor(dat,adr) btwrite((dat) | btread(adr), adr)
- #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
- /* bttv ioctls */
- #define BTTV_READEE _IOW('v', BASE_VIDIOCPRIVATE+0, char [256])
- #define BTTV_WRITEE _IOR('v', BASE_VIDIOCPRIVATE+1, char [256])
- #define BTTV_FIELDNR _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int)
- #define BTTV_PLLSET _IOW('v' , BASE_VIDIOCPRIVATE+3, struct bttv_pll_info)
- #define BTTV_BURST_ON _IOR('v' , BASE_VIDIOCPRIVATE+4, int)
- #define BTTV_BURST_OFF _IOR('v' , BASE_VIDIOCPRIVATE+5, int)
- #define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
- #define BTTV_PICNR _IOR('v' , BASE_VIDIOCPRIVATE+7, int)
- #define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
- #define TDA9850 0x01
- #define TDA9840 0x02
- #define TDA8425 0x03
- #define TEA6300 0x04
- #endif /* _BTTVP_H_ */
- /*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */