git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/cx23885/cx23885.h

   1 /*
   2  *  Driver for the Conexant CX23885 PCIe bridge
   3  *
   4  *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/pci.h>
  23 #include <linux/i2c.h>
  24 #include <linux/i2c-algo-bit.h>
  25 #include <linux/kdev_t.h>
  26
  27 #include <media/v4l2-common.h>
  28 #include <media/tuner.h>
  29 #include <media/tveeprom.h>
  30 #include <media/videobuf-dma-sg.h>
  31 #include <media/videobuf-dvb.h>
  32
  33 #include "btcx-risc.h"
  34 #include "cx23885-reg.h"
  35 #include "media/cx2341x.h"
  36
  37 #include <linux/version.h>
  38 #include <linux/mutex.h>
  39
  40 #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
  41
  42 #define UNSET (-1U)
  43
  44 #define CX23885_MAXBOARDS 8
  45
  46 /* Max number of inputs by card */
  47 #define MAX_CX23885_INPUT 8
  48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  49 #define RESOURCE_OVERLAY       1
  50 #define RESOURCE_VIDEO         2
  51 #define RESOURCE_VBI           4
  52
  53 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  54
  55 #define CX23885_BOARD_NOAUTO               UNSET
  56 #define CX23885_BOARD_UNKNOWN                  0
  57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  58 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  59 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  62 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  63 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  64 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  65 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  68
  69 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
  70 #define CX23885_NORMS (\
  71         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
  72         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
  73         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
  74         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
  75
  76 struct cx23885_fmt {
  77         char  *name;
  78         u32   fourcc;          /* v4l2 format id */
  79         int   depth;
  80         int   flags;
  81         u32   cxformat;
  82 };
  83
  84 struct cx23885_ctrl {
  85         struct v4l2_queryctrl v;
  86         u32                   off;
  87         u32                   reg;
  88         u32                   mask;
  89         u32                   shift;
  90 };
  91
  92 struct cx23885_tvnorm {
  93         char            *name;
  94         v4l2_std_id     id;
  95         u32             cxiformat;
  96         u32             cxoformat;
  97 };
  98
  99 struct cx23885_fh {
 100         struct cx23885_dev         *dev;
 101         enum v4l2_buf_type         type;
 102         int                        radio;
 103         u32                        resources;
 104
 105         /* video overlay */
 106         struct v4l2_window         win;
 107         struct v4l2_clip           *clips;
 108         unsigned int               nclips;
 109
 110         /* video capture */
 111         struct cx23885_fmt         *fmt;
 112         unsigned int               width, height;
 113
 114         /* vbi capture */
 115         struct videobuf_queue      vidq;
 116         struct videobuf_queue      vbiq;
 117
 118         /* MPEG Encoder specifics ONLY */
 119         struct videobuf_queue      mpegq;
 120         atomic_t                   v4l_reading;
 121 };
 122
 123 enum cx23885_itype {
 124         CX23885_VMUX_COMPOSITE1 = 1,
 125         CX23885_VMUX_COMPOSITE2,
 126         CX23885_VMUX_COMPOSITE3,
 127         CX23885_VMUX_COMPOSITE4,
 128         CX23885_VMUX_SVIDEO,
 129         CX23885_VMUX_TELEVISION,
 130         CX23885_VMUX_CABLE,
 131         CX23885_VMUX_DVB,
 132         CX23885_VMUX_DEBUG,
 133         CX23885_RADIO,
 134 };
 135
 136 enum cx23885_src_sel_type {
 137         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 138         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 139 };
 140
 141 /* buffer for one video frame */
 142 struct cx23885_buffer {
 143         /* common v4l buffer stuff -- must be first */
 144         struct videobuf_buffer vb;
 145
 146         /* cx23885 specific */
 147         unsigned int           bpl;
 148         struct btcx_riscmem    risc;
 149         struct cx23885_fmt     *fmt;
 150         u32                    count;
 151 };
 152
 153 struct cx23885_input {
 154         enum cx23885_itype type;
 155         unsigned int    vmux;
 156         u32             gpio0, gpio1, gpio2, gpio3;
 157 };
 158
 159 typedef enum {
 160         CX23885_MPEG_UNDEFINED = 0,
 161         CX23885_MPEG_DVB,
 162         CX23885_ANALOG_VIDEO,
 163         CX23885_MPEG_ENCODER,
 164 } port_t;
 165
 166 struct cx23885_board {
 167         char                    *name;
 168         port_t                  porta, portb, portc;
 169         unsigned int            tuner_type;
 170         unsigned int            radio_type;
 171         unsigned char           tuner_addr;
 172         unsigned char           radio_addr;
 173
 174         /* Vendors can and do run the PCIe bridge at different
 175          * clock rates, driven physically by crystals on the PCBs.
 176          * The core has to accomodate this. This allows the user
 177          * to add new boards with new frequencys. The value is
 178          * expressed in Hz.
 179          *
 180          * The core framework will default this value based on
 181          * current designs, but it can vary.
 182          */
 183         u32                     clk_freq;
 184         struct cx23885_input    input[MAX_CX23885_INPUT];
 185 };
 186
 187 struct cx23885_subid {
 188         u16     subvendor;
 189         u16     subdevice;
 190         u32     card;
 191 };
 192
 193 struct cx23885_i2c {
 194         struct cx23885_dev *dev;
 195
 196         int                        nr;
 197
 198         /* i2c i/o */
 199         struct i2c_adapter         i2c_adap;
 200         struct i2c_algo_bit_data   i2c_algo;
 201         struct i2c_client          i2c_client;
 202         u32                        i2c_rc;
 203
 204         /* 885 registers used for raw addess */
 205         u32                        i2c_period;
 206         u32                        reg_ctrl;
 207         u32                        reg_stat;
 208         u32                        reg_addr;
 209         u32                        reg_rdata;
 210         u32                        reg_wdata;
 211 };
 212
 213 struct cx23885_dmaqueue {
 214         struct list_head       active;
 215         struct list_head       queued;
 216         struct timer_list      timeout;
 217         struct btcx_riscmem    stopper;
 218         u32                    count;
 219 };
 220
 221 struct cx23885_tsport {
 222         struct cx23885_dev *dev;
 223
 224         int                        nr;
 225         int                        sram_chno;
 226
 227         struct videobuf_dvb        dvb;
 228
 229         /* dma queues */
 230         struct cx23885_dmaqueue    mpegq;
 231         u32                        ts_packet_size;
 232         u32                        ts_packet_count;
 233
 234         int                        width;
 235         int                        height;
 236
 237         spinlock_t                 slock;
 238
 239         /* registers */
 240         u32                        reg_gpcnt;
 241         u32                        reg_gpcnt_ctl;
 242         u32                        reg_dma_ctl;
 243         u32                        reg_lngth;
 244         u32                        reg_hw_sop_ctrl;
 245         u32                        reg_gen_ctrl;
 246         u32                        reg_bd_pkt_status;
 247         u32                        reg_sop_status;
 248         u32                        reg_fifo_ovfl_stat;
 249         u32                        reg_vld_misc;
 250         u32                        reg_ts_clk_en;
 251         u32                        reg_ts_int_msk;
 252         u32                        reg_ts_int_stat;
 253         u32                        reg_src_sel;
 254
 255         /* Default register vals */
 256         int                        pci_irqmask;
 257         u32                        dma_ctl_val;
 258         u32                        ts_int_msk_val;
 259         u32                        gen_ctrl_val;
 260         u32                        ts_clk_en_val;
 261         u32                        src_sel_val;
 262         u32                        vld_misc_val;
 263         u32                        hw_sop_ctrl_val;
 264 };
 265
 266 struct cx23885_dev {
 267         struct list_head           devlist;
 268         atomic_t                   refcount;
 269
 270         /* pci stuff */
 271         struct pci_dev             *pci;
 272         unsigned char              pci_rev, pci_lat;
 273         int                        pci_bus, pci_slot;
 274         u32                        __iomem *lmmio;
 275         u8                         __iomem *bmmio;
 276         int                        pci_irqmask;
 277         int                        hwrevision;
 278
 279         /* This valud is board specific and is used to configure the
 280          * AV core so we see nice clean and stable video and audio. */
 281         u32                        clk_freq;
 282
 283         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 284         struct cx23885_i2c         i2c_bus[3];
 285
 286         int                        nr;
 287         struct mutex               lock;
 288
 289         /* board details */
 290         unsigned int               board;
 291         char                       name[32];
 292
 293         struct cx23885_tsport      ts1, ts2;
 294
 295         /* sram configuration */
 296         struct sram_channel        *sram_channels;
 297
 298         enum {
 299                 CX23885_BRIDGE_UNDEFINED = 0,
 300                 CX23885_BRIDGE_885 = 885,
 301                 CX23885_BRIDGE_887 = 887,
 302         } bridge;
 303
 304         /* Analog video */
 305         u32                        resources;
 306         unsigned int               input;
 307         u32                        tvaudio;
 308         v4l2_std_id                tvnorm;
 309         unsigned int               tuner_type;
 310         unsigned char              tuner_addr;
 311         unsigned int               radio_type;
 312         unsigned char              radio_addr;
 313         unsigned int               has_radio;
 314
 315         /* V4l */
 316         u32                        freq;
 317         struct video_device        *video_dev;
 318         struct video_device        *vbi_dev;
 319         struct video_device        *radio_dev;
 320
 321         struct cx23885_dmaqueue    vidq;
 322         struct cx23885_dmaqueue    vbiq;
 323         spinlock_t                 slock;
 324
 325         /* MPEG Encoder ONLY settings */
 326         u32                        cx23417_mailbox;
 327         struct cx2341x_mpeg_params mpeg_params;
 328         struct video_device        *v4l_device;
 329         atomic_t                   v4l_reader_count;
 330         struct cx23885_tvnorm      encodernorm;
 331
 332 };
 333
 334 extern struct list_head cx23885_devlist;
 335
 336 #define SRAM_CH01  0 /* Video A */
 337 #define SRAM_CH02  1 /* VBI A */
 338 #define SRAM_CH03  2 /* Video B */
 339 #define SRAM_CH04  3 /* Transport via B */
 340 #define SRAM_CH05  4 /* VBI B */
 341 #define SRAM_CH06  5 /* Video C */
 342 #define SRAM_CH07  6 /* Transport via C */
 343 #define SRAM_CH08  7 /* Audio Internal A */
 344 #define SRAM_CH09  8 /* Audio Internal B */
 345 #define SRAM_CH10  9 /* Audio External */
 346 #define SRAM_CH11 10 /* COMB_3D_N */
 347 #define SRAM_CH12 11 /* Comb 3D N1 */
 348 #define SRAM_CH13 12 /* Comb 3D N2 */
 349 #define SRAM_CH14 13 /* MOE Vid */
 350 #define SRAM_CH15 14 /* MOE RSLT */
 351
 352 struct sram_channel {
 353         char *name;
 354         u32  cmds_start;
 355         u32  ctrl_start;
 356         u32  cdt;
 357         u32  fifo_start;;
 358         u32  fifo_size;
 359         u32  ptr1_reg;
 360         u32  ptr2_reg;
 361         u32  cnt1_reg;
 362         u32  cnt2_reg;
 363         u32  jumponly;
 364 };
 365
 366 /* ----------------------------------------------------------- */
 367
 368 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 369 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
 370
 371 #define cx_andor(reg,mask,value) \
 372   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 373   ((value) & (mask)), dev->lmmio+((reg)>>2))
 374
 375 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
 376 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
 377
 378 /* ----------------------------------------------------------- */
 379 /* cx23885-core.c                                              */
 380
 381 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 382         struct sram_channel *ch,
 383         unsigned int bpl, u32 risc);
 384
 385 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 386         struct sram_channel *ch);
 387
 388 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 389         u32 reg, u32 mask, u32 value);
 390
 391 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 392         struct scatterlist *sglist,
 393         unsigned int top_offset, unsigned int bottom_offset,
 394         unsigned int bpl, unsigned int padding, unsigned int lines);
 395
 396 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 397
 398 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 399                                 struct cx23885_dmaqueue *q);
 400
 401 extern void cx23885_wakeup(struct cx23885_tsport *port,
 402                            struct cx23885_dmaqueue *q, u32 count);
 403
 404
 405 /* ----------------------------------------------------------- */
 406 /* cx23885-cards.c                                             */
 407 extern struct cx23885_board cx23885_boards[];
 408 extern const unsigned int cx23885_bcount;
 409
 410 extern struct cx23885_subid cx23885_subids[];
 411 extern const unsigned int cx23885_idcount;
 412
 413 extern int cx23885_xc5000_tuner_callback(void *priv, int command, int arg);
 414 extern int cx23885_xc3028_tuner_callback(void *priv, int command, int arg);
 415 extern void cx23885_card_list(struct cx23885_dev *dev);
 416 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 417 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 418 extern void cx23885_card_setup(struct cx23885_dev *dev);
 419 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 420
 421 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 422 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 423
 424 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 425                                struct cx23885_tsport *port,
 426                                struct cx23885_buffer *buf,
 427                                enum v4l2_field field);
 428 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 429                               struct cx23885_buffer *buf);
 430 extern void cx23885_free_buffer(struct videobuf_queue *q,
 431                                 struct cx23885_buffer *buf);
 432
 433 /* ----------------------------------------------------------- */
 434 /* cx23885-video.c                                             */
 435 /* Video */
 436 extern int cx23885_video_register(struct cx23885_dev *dev);
 437 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 438 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 439
 440 /* ----------------------------------------------------------- */
 441 /* cx23885-vbi.c                                               */
 442 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 443         struct v4l2_format *f);
 444 extern void cx23885_vbi_timeout(unsigned long data);
 445 extern struct videobuf_queue_ops cx23885_vbi_qops;
 446
 447 /* cx23885-i2c.c                                                */
 448 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 449 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 450 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
 451                                      void *arg);
 452 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 453
 454 /* ----------------------------------------------------------- */
 455 /* cx23885-417.c                                               */
 456 extern int cx23885_417_register(struct cx23885_dev *dev);
 457 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 458 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 459 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 460 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 461 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 462 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 463
 464
 465 /* ----------------------------------------------------------- */
 466 /* tv norms                                                    */
 467
 468 static inline unsigned int norm_maxw(v4l2_std_id norm)
 469 {
 470         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 471 }
 472
 473 static inline unsigned int norm_maxh(v4l2_std_id norm)
 474 {
 475         return (norm & V4L2_STD_625_50) ? 576 : 480;
 476 }
 477
 478 static inline unsigned int norm_swidth(v4l2_std_id norm)
 479 {
 480         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 481 }
 482
 483
 484 /*
 485  * Local variables:
 486  * c-basic-offset: 8
 487  * End:
 488  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
 489  */