linux-bk/drivers/media/video/bttvp.h
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   1/*
   2    $Id: bttvp.h,v 1.12 2004/10/25 11:26:36 kraxel Exp $
   3
   4    bttv - Bt848 frame grabber driver
   5
   6    bttv's *private* header file  --  nobody other than bttv itself
   7    should ever include this file.
   8
   9    (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 2 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24*/
  25
  26#ifndef _BTTVP_H_
  27#define _BTTVP_H_
  28
  29#include <linux/version.h>
  30#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,15)
  31
  32#include <linux/types.h>
  33#include <linux/wait.h>
  34#include <linux/i2c.h>
  35#include <linux/i2c-algo-bit.h>
  36#include <linux/videodev.h>
  37#include <linux/pci.h>
  38#include <linux/input.h>
  39#include <asm/scatterlist.h>
  40#include <asm/io.h>
  41
  42#include <linux/device.h>
  43#include <media/video-buf.h>
  44#include <media/audiochip.h>
  45#include <media/tuner.h>
  46#include <media/ir-common.h>
  47
  48#include "bt848.h"
  49#include "bttv.h"
  50#include "btcx-risc.h"
  51
  52#ifdef __KERNEL__
  53
  54#define FORMAT_FLAGS_DITHER       0x01
  55#define FORMAT_FLAGS_PACKED       0x02
  56#define FORMAT_FLAGS_PLANAR       0x04
  57#define FORMAT_FLAGS_RAW          0x08
  58#define FORMAT_FLAGS_CrCb         0x10
  59
  60#define RISC_SLOT_O_VBI        4
  61#define RISC_SLOT_O_FIELD      6
  62#define RISC_SLOT_E_VBI       10
  63#define RISC_SLOT_E_FIELD     12
  64#define RISC_SLOT_LOOP        14
  65
  66#define RESOURCE_OVERLAY       1
  67#define RESOURCE_VIDEO         2
  68#define RESOURCE_VBI           4
  69
  70#define RAW_LINES            640
  71#define RAW_BPL             1024
  72
  73#define UNSET (-1U)
  74
  75/* ---------------------------------------------------------- */
  76
  77struct bttv_tvnorm {
  78        int   v4l2_id;
  79        char  *name;
  80        u32   Fsc;
  81        u16   swidth, sheight; /* scaled standard width, height */
  82        u16   totalwidth;
  83        u8    adelay, bdelay, iform;
  84        u32   scaledtwidth;
  85        u16   hdelayx1, hactivex1;
  86        u16   vdelay;
  87        u8    vbipack;
  88        u16   vtotal;
  89        int   sram;
  90};
  91extern const struct bttv_tvnorm bttv_tvnorms[];
  92extern const unsigned int BTTV_TVNORMS;
  93
  94struct bttv_format {
  95        char *name;
  96        int  palette;         /* video4linux 1      */
  97        int  fourcc;          /* video4linux 2      */
  98        int  btformat;        /* BT848_COLOR_FMT_*  */
  99        int  btswap;          /* BT848_COLOR_CTL_*  */
 100        int  depth;           /* bit/pixel          */
 101        int  flags;
 102        int  hshift,vshift;   /* for planar modes   */
 103};
 104extern const struct bttv_format bttv_formats[];
 105extern const unsigned int BTTV_FORMATS;
 106
 107/* ---------------------------------------------------------- */
 108
 109struct bttv_geometry {
 110        u8  vtc,crop,comb;
 111        u16 width,hscale,hdelay;
 112        u16 sheight,vscale,vdelay,vtotal;
 113};
 114
 115struct bttv_buffer {
 116        /* common v4l buffer stuff -- must be first */
 117        struct videobuf_buffer     vb;
 118
 119        /* bttv specific */
 120        const struct bttv_format   *fmt;
 121        int                        tvnorm;
 122        int                        btformat;
 123        int                        btswap;
 124        struct bttv_geometry       geo;
 125        struct btcx_riscmem        top;
 126        struct btcx_riscmem        bottom;
 127};
 128
 129struct bttv_buffer_set {
 130        struct bttv_buffer     *top;       /* top field buffer    */
 131        struct bttv_buffer     *bottom;    /* bottom field buffer */
 132        unsigned int           top_irq;
 133        unsigned int           frame_irq;
 134};
 135
 136struct bttv_overlay {
 137        int                    tvnorm;
 138        struct v4l2_rect       w;
 139        enum v4l2_field        field;
 140        struct v4l2_clip       *clips;
 141        int                    nclips;
 142        int                    setup_ok;
 143};
 144
 145struct bttv_fh {
 146        struct bttv              *btv;
 147        int resources;
 148#ifdef VIDIOC_G_PRIORITY
 149        enum v4l2_priority       prio;
 150#endif
 151        enum v4l2_buf_type       type;
 152
 153        /* video capture */
 154        struct videobuf_queue    cap;
 155        const struct bttv_format *fmt;
 156        int                      width;
 157        int                      height;
 158
 159        /* current settings */
 160        const struct bttv_format *ovfmt;
 161        struct bttv_overlay      ov;
 162
 163        /* video overlay */
 164        struct videobuf_queue    vbi;
 165        int                      lines;
 166};
 167
 168/* ---------------------------------------------------------- */
 169/* bttv-risc.c                                                */
 170
 171/* risc code generators - capture */
 172int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
 173                     struct scatterlist *sglist,
 174                     unsigned int offset, unsigned int bpl,
 175                     unsigned int pitch, unsigned int lines);
 176int bttv_risc_planar(struct bttv *btv, struct btcx_riscmem *risc,
 177                     struct scatterlist *sglist,
 178                     unsigned int yoffset,  unsigned int ybpl,
 179                     unsigned int ypadding, unsigned int ylines,
 180                     unsigned int uoffset,  unsigned int voffset,
 181                     unsigned int hshift,   unsigned int vshift,
 182                     unsigned int cpadding);
 183int bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc,
 184                      const struct bttv_format *fmt,
 185                      struct bttv_overlay *ov,
 186                      int skip_top, int skip_bottom);
 187
 188/* calculate / apply geometry settings */
 189void bttv_calc_geo(struct bttv *btv, struct bttv_geometry *geo,
 190                   int width, int height, int interleaved, int norm);
 191void bttv_apply_geo(struct bttv *btv, struct bttv_geometry *geo, int top);
 192
 193/* control dma register + risc main loop */
 194void bttv_set_dma(struct bttv *btv, int override);
 195int bttv_risc_init_main(struct bttv *btv);
 196int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
 197                   int irqflags);
 198
 199/* capture buffer handling */
 200int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
 201int bttv_buffer_activate_video(struct bttv *btv,
 202                               struct bttv_buffer_set *set);
 203int bttv_buffer_activate_vbi(struct bttv *btv,
 204                             struct bttv_buffer *vbi);
 205void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf);
 206
 207/* overlay handling */
 208int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
 209                      const struct bttv_format *fmt,
 210                      struct bttv_buffer *buf);
 211
 212
 213/* ---------------------------------------------------------- */
 214/* bttv-vbi.c                                                 */
 215
 216void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
 217void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
 218void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);
 219
 220extern struct videobuf_queue_ops bttv_vbi_qops;
 221
 222/* ---------------------------------------------------------- */
 223/* bttv-gpio.c */
 224
 225
 226extern struct bus_type bttv_sub_bus_type;
 227int bttv_sub_add_device(struct bttv_core *core, char *name);
 228int bttv_sub_del_devices(struct bttv_core *core);
 229void bttv_gpio_irq(struct bttv_core *core);
 230void bttv_i2c_info(struct bttv_core *core, struct i2c_client *client, int attach);
 231
 232
 233/* ---------------------------------------------------------- */
 234/* bttv-driver.c                                              */
 235
 236/* insmod options */
 237extern unsigned int bttv_verbose;
 238extern unsigned int bttv_debug;
 239extern unsigned int bttv_gpio;
 240extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
 241extern int init_bttv_i2c(struct bttv *btv);
 242extern int fini_bttv_i2c(struct bttv *btv);
 243extern int pvr_boot(struct bttv *btv);
 244
 245extern int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg);
 246extern void bttv_reinit_bt848(struct bttv *btv);
 247extern void bttv_field_count(struct bttv *btv);
 248
 249#define vprintk  if (bttv_verbose) printk
 250#define dprintk  if (bttv_debug >= 1) printk
 251#define d2printk if (bttv_debug >= 2) printk
 252
 253/* our devices */
 254#define BTTV_MAX 16
 255extern unsigned int bttv_num;
 256extern struct bttv bttvs[BTTV_MAX];
 257
 258#define BTTV_MAX_FBUF   0x208000
 259#define VBIBUF_SIZE     (2048*VBI_MAXLINES*2)
 260#define BTTV_TIMEOUT    (HZ/2) /* 0.5 seconds */
 261#define BTTV_FREE_IDLE  (HZ)   /* one second */
 262
 263
 264struct bttv_pll_info {
 265        unsigned int pll_ifreq;    /* PLL input frequency        */
 266        unsigned int pll_ofreq;    /* PLL output frequency       */
 267        unsigned int pll_crystal;  /* Crystal used for input     */
 268        unsigned int pll_current;  /* Currently programmed ofreq */
 269};
 270
 271/* for gpio-connected remote control */
 272struct bttv_input {
 273        struct input_dev      dev;
 274        struct ir_input_state ir;
 275        char                  name[32];
 276        char                  phys[32];
 277        u32                   mask_keycode;
 278        u32                   mask_keydown;
 279};
 280
 281struct bttv_suspend_state {
 282        u32  gpio_enable;
 283        u32  gpio_data;
 284        int  disabled;
 285        int  loop_irq;
 286        struct bttv_buffer_set video;
 287        struct bttv_buffer     *vbi;
 288};
 289
 290struct bttv {
 291        struct bttv_core c;
 292
 293        /* pci device config */
 294        unsigned short id;
 295        unsigned char revision;
 296        unsigned char __iomem *bt848_mmio;   /* pointer to mmio */
 297
 298        /* card configuration info */
 299        unsigned int cardid;   /* pci subsystem id (bt878 based ones) */
 300        unsigned int tuner_type;  /* tuner chip type */
 301        unsigned int pinnacle_id;
 302        unsigned int svhs;
 303        struct bttv_pll_info pll;
 304        int triton1;
 305        int gpioirq;
 306        int use_i2c_hw;
 307
 308        /* old gpio interface */
 309        wait_queue_head_t gpioq;
 310        int shutdown;
 311        void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
 312
 313        /* new gpio interface */
 314        spinlock_t gpio_lock;
 315
 316        /* i2c layer */
 317        struct i2c_algo_bit_data   i2c_algo;
 318        struct i2c_client          i2c_client;
 319        int                        i2c_state, i2c_rc;
 320        int                        i2c_done;
 321        wait_queue_head_t          i2c_queue;
 322
 323        /* video4linux (1) */
 324        struct video_device *video_dev;
 325        struct video_device *radio_dev;
 326        struct video_device *vbi_dev;
 327
 328        /* infrared remote */
 329        int has_remote;
 330        struct bttv_input *remote;
 331
 332        /* locking */
 333        spinlock_t s_lock;
 334        struct semaphore lock;
 335        int resources;
 336        struct semaphore reslock;
 337#ifdef VIDIOC_G_PRIORITY
 338        struct v4l2_prio_state prio;
 339#endif
 340
 341        /* video state */
 342        unsigned int input;
 343        unsigned int audio;
 344        unsigned long freq;
 345        int tvnorm,hue,contrast,bright,saturation;
 346        struct v4l2_framebuffer fbuf;
 347        unsigned int field_count;
 348
 349        /* various options */
 350        int opt_combfilter;
 351        int opt_lumafilter;
 352        int opt_automute;
 353        int opt_chroma_agc;
 354        int opt_adc_crush;
 355        int opt_vcr_hack;
 356        int opt_whitecrush_upper;
 357        int opt_whitecrush_lower;
 358
 359        /* radio data/state */
 360        int has_radio;
 361        int radio_user;
 362
 363        /* miro/pinnacle + Aimslab VHX
 364           philips matchbox (tea5757 radio tuner) support */
 365        int has_matchbox;
 366        int mbox_we;
 367        int mbox_data;
 368        int mbox_clk;
 369        int mbox_most;
 370        int mbox_mask;
 371
 372        /* ISA stuff (Terratec Active Radio Upgrade) */
 373        int mbox_ior;
 374        int mbox_iow;
 375        int mbox_csel;
 376
 377        /* risc memory management data
 378           - must aquire s_lock before changing these
 379           - only the irq handler is supported to touch top + bottom + vcurr */
 380        struct btcx_riscmem     main;
 381        struct bttv_buffer      *screen;    /* overlay             */
 382        struct list_head        capture;    /* video capture queue */
 383        struct list_head        vcapture;   /* vbi capture queue   */
 384        struct bttv_buffer_set  curr;       /* active buffers      */
 385        struct bttv_buffer      *cvbi;      /* active vbi buffer   */
 386        int                     loop_irq;
 387        int                     new_input;
 388
 389        unsigned long cap_ctl;
 390        unsigned long dma_on;
 391        struct timer_list timeout;
 392        struct bttv_suspend_state state;
 393
 394        /* stats */
 395        unsigned int errors;
 396        unsigned int framedrop;
 397        unsigned int irq_total;
 398        unsigned int irq_me;
 399
 400        unsigned int users;
 401        struct bttv_fh init;
 402};
 403
 404/* private ioctls */
 405#define BTTV_VERSION            _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
 406#define BTTV_VBISIZE            _IOR('v' , BASE_VIDIOCPRIVATE+8, int)
 407
 408#endif
 409
 410#define btwrite(dat,adr)    writel((dat), btv->bt848_mmio+(adr))
 411#define btread(adr)         readl(btv->bt848_mmio+(adr))
 412
 413#define btand(dat,adr)      btwrite((dat) & btread(adr), adr)
 414#define btor(dat,adr)       btwrite((dat) | btread(adr), adr)
 415#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
 416
 417#endif /* _BTTVP_H_ */
 418
 419/*
 420 * Local variables:
 421 * c-basic-offset: 8
 422 * End:
 423 */
 424
The original LXR software by the LXR community, this experimental version by lxr@linux.no.
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.