Rev 1056 |
Blame |
Compare with Previous |
Last modification |
View Log
| RSS feed
/*
bttv - Bt848 frame grabber driver
bttv's *private* header file -- nobody other than bttv itself
should ever include this file.
(c) 2000-2002 Gerd Knorr <kraxel@bytesex.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 _BTTVP_H_
#define _BTTVP_H_
#include <linux/version.h>
#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,12)
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/videodev.h>
#include <linux/pci.h>
#include <linux/input.h>
#include <asm/scatterlist.h>
#include <asm/io.h>
#include <linux/device.h>
#include <drivers/video-buf.h>
#include <drivers/audiochip.h>
#include <drivers/tuner.h>
#include "drivers/bt848.h"
#include "drivers/bttv.h"
#include "drivers/btcx-risc.h"
#ifdef CONFIG_VIDEO_IR
#include "ir-common.h"
#endif
#ifdef __KERNEL__
#define FORMAT_FLAGS_DITHER 0x01
#define FORMAT_FLAGS_PACKED 0x02
#define FORMAT_FLAGS_PLANAR 0x04
#define FORMAT_FLAGS_RAW 0x08
#define FORMAT_FLAGS_CrCb 0x10
#define RISC_SLOT_O_VBI 4
#define RISC_SLOT_O_FIELD 6
#define RISC_SLOT_E_VBI 10
#define RISC_SLOT_E_FIELD 12
#define RISC_SLOT_LOOP 14
#define RESOURCE_OVERLAY 1
#define RESOURCE_VIDEO 2
#define RESOURCE_VBI 4
#define RAW_LINES 640
#define RAW_BPL 1024
#define UNSET (-1U)
/* ---------------------------------------------------------- */
struct bttv_tvnorm {
int v4l2_id;
char *name;
u32 Fsc;
u16 swidth, sheight; /* scaled standard width, height */
u16 totalwidth;
u8 adelay, bdelay, iform;
u32 scaledtwidth;
u16 hdelayx1, hactivex1;
u16 vdelay;
u8 vbipack;
u16 vtotal;
int sram;
};
extern const struct bttv_tvnorm bttv_tvnorms[];
extern const unsigned int BTTV_TVNORMS;
struct bttv_format {
char *name;
int palette; /* video4linux 1 */
int fourcc; /* video4linux 2 */
int btformat; /* BT848_COLOR_FMT_* */
int btswap; /* BT848_COLOR_CTL_* */
int depth; /* bit/pixel */
int flags;
int hshift,vshift; /* for planar modes */
};
extern const struct bttv_format bttv_formats[];
extern const unsigned int BTTV_FORMATS;
/* ---------------------------------------------------------- */
struct bttv_geometry {
u8 vtc,crop,comb;
u16 width,hscale,hdelay;
u16 sheight,vscale,vdelay,vtotal;
};
struct bttv_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
/* bttv specific */
const struct bttv_format *fmt;
int tvnorm;
int btformat;
int btswap;
struct bttv_geometry geo;
struct btcx_riscmem top;
struct btcx_riscmem bottom;
};
struct bttv_buffer_set {
struct bttv_buffer *top; /* top field buffer */
struct bttv_buffer *bottom; /* bottom field buffer */
struct bttv_buffer *vbi; /* vbi buffer */
unsigned int irqflags;
unsigned int topirq;
};
struct bttv_overlay {
int tvnorm;
struct v4l2_rect w;
enum v4l2_field field;
struct v4l2_clip *clips;
int nclips;
int setup_ok;
};
struct bttv_fh {
struct bttv *btv;
int resources;
#ifdef VIDIOC_G_PRIORITY
enum v4l2_priority prio;
#endif
enum v4l2_buf_type type;
/* video capture */
struct videobuf_queue cap;
const struct bttv_format *fmt;
int width;
int height;
/* current settings */
const struct bttv_format *ovfmt;
struct bttv_overlay ov;
/* video overlay */
struct videobuf_queue vbi;
int lines;
};
/* ---------------------------------------------------------- */
/* bttv-risc.c */
/* risc code generators - capture */
int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
struct scatterlist *sglist,
unsigned int offset, unsigned int bpl,
unsigned int pitch, unsigned int lines);
int bttv_risc_planar(struct bttv *btv, struct btcx_riscmem *risc,
struct scatterlist *sglist,
unsigned int yoffset, unsigned int ybpl,
unsigned int ypadding, unsigned int ylines,
unsigned int uoffset, unsigned int voffset,
unsigned int hshift, unsigned int vshift,
unsigned int cpadding);
int bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc,
const struct bttv_format *fmt,
struct bttv_overlay *ov,
int skip_top, int skip_bottom);
/* calculate / apply geometry settings */
void bttv_calc_geo(struct bttv *btv, struct bttv_geometry *geo,
int width, int height, int interleaved, int norm);
void bttv_apply_geo(struct bttv *btv, struct bttv_geometry *geo, int top);
/* control dma register + risc main loop */
void bttv_set_dma(struct bttv *btv, int override, int irqflags);
int bttv_risc_init_main(struct bttv *btv);
int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
int irqflags);
/* capture buffer handling */
int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
int bttv_buffer_set_activate(struct bttv *btv,
struct bttv_buffer_set *set);
void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf);
/* overlay handling */
int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
const struct bttv_format *fmt,
struct bttv_buffer *buf);
/* ---------------------------------------------------------- */
/* bttv-vbi.c */
void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
extern struct videobuf_queue_ops bttv_vbi_qops;
/* ---------------------------------------------------------- */
/* bttv-input.c */
int bttv_input_init(struct bttv *btv);
void bttv_input_fini(struct bttv *btv);
void bttv_input_irq(struct bttv *btv);
/* ---------------------------------------------------------- */
/* bttv-driver.c */
/* insmod options */
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 fini_bttv_i2c(struct bttv *btv);
extern int pvr_boot(struct bttv *btv);
extern int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg);
extern void bttv_reinit_bt848(struct bttv *btv);
extern void bttv_field_count(struct bttv *btv);
#define vprintk if (bttv_verbose) printk
#define dprintk if (bttv_debug >= 1) printk
#define d2printk if (bttv_debug >= 2) printk
/* our devices */
#define BTTV_MAX 16
extern unsigned int bttv_num;
#define BTTV_MAX_FBUF 0x208000
#define VBIBUF_SIZE (2048*VBI_MAXLINES*2)
#define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */
#define BTTV_FREE_IDLE (HZ) /* one second */
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 */
};
#ifdef CONFIG_VIDEO_IR
/* for gpio-connected remote control */
struct bttv_input {
struct input_dev dev;
struct ir_input_state ir;
char name[32];
char phys[32];
u32 mask_keycode;
u32 mask_keydown;
};
#endif
struct bttv {
/* pci device config */
struct pci_dev *dev;
unsigned short id;
unsigned char revision;
unsigned char *bt848_mmio; /* pointer to mmio */
/* card configuration info */
unsigned int nr; /* dev nr (for printk("bttv%d: ..."); */
char name[8]; /* dev name */
unsigned int cardid; /* pci subsystem id (bt878 based ones) */
unsigned int type; /* card type (pointer into tvcards[]) */
unsigned int tuner_type; /* tuner chip type */
unsigned int pinnacle_id;
unsigned int svhs;
struct bttv_pll_info pll;
int triton1;
/* gpio interface */
wait_queue_head_t gpioq;
int shutdown;
void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
/* i2c layer */
struct i2c_adapter i2c_adap;
struct i2c_algo_bit_data i2c_algo;
struct i2c_client i2c_client;
int i2c_state, i2c_rc;
/* video4linux (1) */
struct video_device *video_dev;
struct video_device *radio_dev;
struct video_device *vbi_dev;
/* infrared remote */
int has_remote;
#ifdef CONFIG_VIDEO_IR
struct bttv_input *remote;
#endif
/* locking */
spinlock_t s_lock;
struct semaphore lock;
int resources;
struct semaphore reslock;
#ifdef VIDIOC_G_PRIORITY
struct v4l2_prio_state prio;
#endif
/* video state */
unsigned int input;
unsigned int audio;
unsigned long freq;
int tvnorm,hue,contrast,bright,saturation;
struct v4l2_framebuffer fbuf;
unsigned int field_count;
/* various options */
int opt_combfilter;
int opt_lumafilter;
int opt_automute;
int opt_chroma_agc;
int opt_adc_crush;
int opt_vcr_hack;
/* radio data/state */
int has_radio;
int radio_user;
/* 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;
/* ISA stuff (Terratec Active Radio Upgrade) */
int mbox_ior;
int mbox_iow;
int mbox_csel;
/* risc memory management data
- must aquire s_lock before changing these
- only the irq handler is supported to touch top + bottom + vcurr */
struct btcx_riscmem main;
struct bttv_buffer *screen; /* overlay */
struct list_head capture; /* video capture queue */
struct list_head vcapture; /* vbi capture queue */
struct bttv_buffer_set curr; /* active buffers */
int new_input;
unsigned long cap_ctl;
unsigned long dma_on;
struct timer_list timeout;
unsigned int errors;
unsigned int users;
struct bttv_fh init;
};
// moved here for gcc4 compatibility
extern struct bttv bttvs[BTTV_MAX];
/* private ioctls */
#define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
#define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
#endif
#define btwrite(dat,adr) writel((dat), (char *) (btv->bt848_mmio+(adr)))
#define btread(adr) readl(btv->bt848_mmio+(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)
#endif /* _BTTVP_H_ */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/