495 lines
14 KiB
C
495 lines
14 KiB
C
/*
|
|
|
|
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(0,9,18)
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c-algo-bit.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/input.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/scatterlist.h>
|
|
#include <asm/io.h>
|
|
#include <media/v4l2-common.h>
|
|
#include <linux/device.h>
|
|
#include <media/videobuf-dma-sg.h>
|
|
#include <media/tveeprom.h>
|
|
#include <media/ir-common.h>
|
|
|
|
|
|
#include "bt848.h"
|
|
#include "bttv.h"
|
|
#include "btcx-risc.h"
|
|
|
|
#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_STREAM 2
|
|
#define RESOURCE_VBI 4
|
|
#define RESOURCE_VIDEO_READ 8
|
|
|
|
#define RAW_LINES 640
|
|
#define RAW_BPL 1024
|
|
|
|
#define UNSET (-1U)
|
|
|
|
/* Min. value in VDELAY register. */
|
|
#define MIN_VDELAY 2
|
|
/* Even to get Cb first, odd for Cr. */
|
|
#define MAX_HDELAY (0x3FF & -2)
|
|
/* Limits scaled width, which must be a multiple of 4. */
|
|
#define MAX_HACTIVE (0x3FF & -4)
|
|
|
|
#define BTTV_NORMS (\
|
|
V4L2_STD_PAL | V4L2_STD_PAL_N | \
|
|
V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \
|
|
V4L2_STD_NTSC | V4L2_STD_PAL_M | \
|
|
V4L2_STD_PAL_60)
|
|
/* ---------------------------------------------------------- */
|
|
|
|
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;
|
|
/* ITU-R frame line number of the first VBI line we can
|
|
capture, of the first and second field. The last possible line
|
|
is determined by cropcap.bounds. */
|
|
u16 vbistart[2];
|
|
/* Horizontally this counts fCLKx1 samples following the leading
|
|
edge of the horizontal sync pulse, vertically ITU-R frame line
|
|
numbers of the first field times two (2, 4, 6, ... 524 or 624). */
|
|
struct v4l2_cropcap cropcap;
|
|
};
|
|
extern const struct bttv_tvnorm bttv_tvnorms[];
|
|
|
|
struct bttv_format {
|
|
char *name;
|
|
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 */
|
|
};
|
|
|
|
/* ---------------------------------------------------------- */
|
|
|
|
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;
|
|
unsigned int tvnorm;
|
|
int btformat;
|
|
int btswap;
|
|
struct bttv_geometry geo;
|
|
struct btcx_riscmem top;
|
|
struct btcx_riscmem bottom;
|
|
struct v4l2_rect crop;
|
|
unsigned int vbi_skip[2];
|
|
unsigned int vbi_count[2];
|
|
};
|
|
|
|
struct bttv_buffer_set {
|
|
struct bttv_buffer *top; /* top field buffer */
|
|
struct bttv_buffer *bottom; /* bottom field buffer */
|
|
unsigned int top_irq;
|
|
unsigned int frame_irq;
|
|
};
|
|
|
|
struct bttv_overlay {
|
|
unsigned int tvnorm;
|
|
struct v4l2_rect w;
|
|
enum v4l2_field field;
|
|
struct v4l2_clip *clips;
|
|
int nclips;
|
|
int setup_ok;
|
|
};
|
|
|
|
struct bttv_vbi_fmt {
|
|
struct v4l2_vbi_format fmt;
|
|
|
|
/* fmt.start[] and count[] refer to this video standard. */
|
|
const struct bttv_tvnorm *tvnorm;
|
|
|
|
/* Earliest possible start of video capturing with this
|
|
v4l2_vbi_format, in struct bttv_crop.rect units. */
|
|
__s32 end;
|
|
};
|
|
|
|
/* bttv-vbi.c */
|
|
void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
|
|
|
|
struct bttv_crop {
|
|
/* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
|
|
struct v4l2_rect rect;
|
|
|
|
/* Scaled image size limits with this crop rect. Divide
|
|
max_height, but not min_height, by two when capturing
|
|
single fields. See also bttv_crop_reset() and
|
|
bttv_crop_adjust() in bttv-driver.c. */
|
|
__s32 min_scaled_width;
|
|
__s32 min_scaled_height;
|
|
__s32 max_scaled_width;
|
|
__s32 max_scaled_height;
|
|
};
|
|
|
|
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;
|
|
|
|
/* video overlay */
|
|
const struct bttv_format *ovfmt;
|
|
struct bttv_overlay ov;
|
|
|
|
/* Application called VIDIOC_S_CROP. */
|
|
int do_crop;
|
|
|
|
/* vbi capture */
|
|
struct videobuf_queue vbi;
|
|
/* Current VBI capture window as seen through this fh (cannot
|
|
be global for compatibility with earlier drivers). Protected
|
|
by struct bttv.lock and struct bttv_fh.vbi.lock. */
|
|
struct bttv_vbi_fmt vbi_fmt;
|
|
};
|
|
|
|
/* ---------------------------------------------------------- */
|
|
/* 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 skip_lines,
|
|
unsigned int store_lines);
|
|
|
|
/* control dma register + risc main loop */
|
|
void bttv_set_dma(struct bttv *btv, int override);
|
|
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_activate_video(struct bttv *btv,
|
|
struct bttv_buffer_set *set);
|
|
int bttv_buffer_activate_vbi(struct bttv *btv,
|
|
struct bttv_buffer *vbi);
|
|
void bttv_dma_free(struct videobuf_queue *q, 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 */
|
|
|
|
int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
|
|
int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
|
|
int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
|
|
|
|
extern struct videobuf_queue_ops bttv_vbi_qops;
|
|
|
|
/* ---------------------------------------------------------- */
|
|
/* bttv-gpio.c */
|
|
|
|
extern struct bus_type bttv_sub_bus_type;
|
|
int bttv_sub_add_device(struct bttv_core *core, char *name);
|
|
int bttv_sub_del_devices(struct bttv_core *core);
|
|
|
|
/* ---------------------------------------------------------- */
|
|
/* bttv-cards.c */
|
|
|
|
extern int no_overlay;
|
|
|
|
/* ---------------------------------------------------------- */
|
|
/* 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 void init_bttv_i2c_ir(struct bttv *btv);
|
|
extern int fini_bttv_i2c(struct bttv *btv);
|
|
|
|
#define bttv_printk if (bttv_verbose) printk
|
|
#define dprintk if (bttv_debug >= 1) printk
|
|
#define d2printk if (bttv_debug >= 2) printk
|
|
|
|
#define BTTV_MAX_FBUF 0x208000
|
|
#define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
|
|
#define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* 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 */
|
|
};
|
|
|
|
/* 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;
|
|
};
|
|
|
|
struct bttv_suspend_state {
|
|
u32 gpio_enable;
|
|
u32 gpio_data;
|
|
int disabled;
|
|
int loop_irq;
|
|
struct bttv_buffer_set video;
|
|
struct bttv_buffer *vbi;
|
|
};
|
|
|
|
struct bttv {
|
|
struct bttv_core c;
|
|
|
|
/* pci device config */
|
|
unsigned short id;
|
|
unsigned char revision;
|
|
unsigned char __iomem *bt848_mmio; /* pointer to mmio */
|
|
|
|
/* card configuration info */
|
|
unsigned int cardid; /* pci subsystem id (bt878 based ones) */
|
|
unsigned int tuner_type; /* tuner chip type */
|
|
unsigned int tda9887_conf;
|
|
unsigned int svhs, dig;
|
|
unsigned int has_saa6588:1;
|
|
struct bttv_pll_info pll;
|
|
int triton1;
|
|
int gpioirq;
|
|
int (*custom_irq)(struct bttv *btv);
|
|
|
|
int use_i2c_hw;
|
|
|
|
/* old gpio interface */
|
|
wait_queue_head_t gpioq;
|
|
int shutdown;
|
|
|
|
void (*volume_gpio)(struct bttv *btv, __u16 volume);
|
|
void (*audio_mode_gpio)(struct bttv *btv, struct v4l2_tuner *tuner, int set);
|
|
|
|
/* new gpio interface */
|
|
spinlock_t gpio_lock;
|
|
|
|
/* i2c layer */
|
|
struct i2c_algo_bit_data i2c_algo;
|
|
struct i2c_client i2c_client;
|
|
int i2c_state, i2c_rc;
|
|
int i2c_done;
|
|
wait_queue_head_t i2c_queue;
|
|
struct v4l2_subdev *sd_msp34xx;
|
|
struct v4l2_subdev *sd_tvaudio;
|
|
|
|
/* video4linux (1) */
|
|
struct video_device *video_dev;
|
|
struct video_device *radio_dev;
|
|
struct video_device *vbi_dev;
|
|
|
|
/* infrared remote */
|
|
int has_remote;
|
|
struct card_ir *remote;
|
|
|
|
/* locking */
|
|
spinlock_t s_lock;
|
|
struct mutex lock;
|
|
int resources;
|
|
#ifdef VIDIOC_G_PRIORITY
|
|
struct v4l2_prio_state prio;
|
|
#endif
|
|
|
|
/* video state */
|
|
unsigned int input;
|
|
unsigned int audio;
|
|
unsigned int mute;
|
|
unsigned long freq;
|
|
unsigned int tvnorm;
|
|
int 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;
|
|
int opt_whitecrush_upper;
|
|
int opt_whitecrush_lower;
|
|
int opt_uv_ratio;
|
|
int opt_full_luma_range;
|
|
int opt_coring;
|
|
|
|
/* 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 acquire 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 */
|
|
struct bttv_buffer *cvbi; /* active vbi buffer */
|
|
int loop_irq;
|
|
int new_input;
|
|
|
|
unsigned long cap_ctl;
|
|
unsigned long dma_on;
|
|
struct timer_list timeout;
|
|
struct bttv_suspend_state state;
|
|
|
|
/* stats */
|
|
unsigned int errors;
|
|
unsigned int framedrop;
|
|
unsigned int irq_total;
|
|
unsigned int irq_me;
|
|
|
|
unsigned int users;
|
|
struct bttv_fh init;
|
|
|
|
/* used to make dvb-bt8xx autoloadable */
|
|
struct work_struct request_module_wk;
|
|
|
|
/* Default (0) and current (1) video capturing and overlay
|
|
cropping parameters in bttv_tvnorm.cropcap units. Protected
|
|
by bttv.lock. */
|
|
struct bttv_crop crop[2];
|
|
|
|
/* Earliest possible start of video capturing in
|
|
bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
|
|
and free_btres(). Protected by bttv.lock. */
|
|
__s32 vbi_end;
|
|
|
|
/* Latest possible end of VBI capturing (= crop[x].rect.top when
|
|
VIDEO_RESOURCES are locked). Set by check_alloc_btres()
|
|
and free_btres(). Protected by bttv.lock. */
|
|
__s32 crop_start;
|
|
};
|
|
|
|
static inline struct bttv *to_bttv(struct v4l2_device *v4l2_dev)
|
|
{
|
|
return container_of(v4l2_dev, struct bttv, c.v4l2_dev);
|
|
}
|
|
|
|
/* our devices */
|
|
#define BTTV_MAX 32
|
|
extern unsigned int bttv_num;
|
|
extern struct bttv *bttvs[BTTV_MAX];
|
|
|
|
static inline unsigned int bttv_muxsel(const struct bttv *btv,
|
|
unsigned int input)
|
|
{
|
|
return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3;
|
|
}
|
|
|
|
#endif
|
|
|
|
#define btwrite(dat,adr) writel((dat), 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:
|
|
*/
|