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@hauppauge.com>
   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
  67 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
  68 #define CX23885_NORMS (\
  69         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
  70         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
  71         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
  72         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
  73
  74 struct cx23885_fmt {
  75         char  *name;
  76         u32   fourcc;          /* v4l2 format id */
  77         int   depth;
  78         int   flags;
  79         u32   cxformat;
  80 };
  81
  82 struct cx23885_ctrl {
  83         struct v4l2_queryctrl v;
  84         u32                   off;
  85         u32                   reg;
  86         u32                   mask;
  87         u32                   shift;
  88 };
  89
  90 struct cx23885_tvnorm {
  91         char            *name;
  92         v4l2_std_id     id;
  93         u32             cxiformat;
  94         u32             cxoformat;
  95 };
  96
  97 struct cx23885_fh {
  98         struct cx23885_dev         *dev;
  99         enum v4l2_buf_type         type;
 100         int                        radio;
 101         u32                        resources;
 102
 103         /* video overlay */
 104         struct v4l2_window         win;
 105         struct v4l2_clip           *clips;
 106         unsigned int               nclips;
 107
 108         /* video capture */
 109         struct cx23885_fmt         *fmt;
 110         unsigned int               width, height;
 111
 112         /* vbi capture */
 113         struct videobuf_queue      vidq;
 114         struct videobuf_queue      vbiq;
 115
 116         /* MPEG Encoder specifics ONLY */
 117         struct videobuf_queue      mpegq;
 118         atomic_t                   v4l_reading;
 119 };
 120
 121 enum cx23885_itype {
 122         CX23885_VMUX_COMPOSITE1 = 1,
 123         CX23885_VMUX_COMPOSITE2,
 124         CX23885_VMUX_COMPOSITE3,
 125         CX23885_VMUX_COMPOSITE4,
 126         CX23885_VMUX_SVIDEO,
 127         CX23885_VMUX_TELEVISION,
 128         CX23885_VMUX_CABLE,
 129         CX23885_VMUX_DVB,
 130         CX23885_VMUX_DEBUG,
 131         CX23885_RADIO,
 132 };
 133
 134 enum cx23885_src_sel_type {
 135         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 136         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 137 };
 138
 139 /* buffer for one video frame */
 140 struct cx23885_buffer {
 141         /* common v4l buffer stuff -- must be first */
 142         struct videobuf_buffer vb;
 143
 144         /* cx23885 specific */
 145         unsigned int           bpl;
 146         struct btcx_riscmem    risc;
 147         struct cx23885_fmt     *fmt;
 148         u32                    count;
 149 };
 150
 151 struct cx23885_input {
 152         enum cx23885_itype type;
 153         unsigned int    vmux;
 154         u32             gpio0, gpio1, gpio2, gpio3;
 155 };
 156
 157 typedef enum {
 158         CX23885_MPEG_UNDEFINED = 0,
 159         CX23885_MPEG_DVB,
 160         CX23885_ANALOG_VIDEO,
 161         CX23885_MPEG_ENCODER,
 162 } port_t;
 163
 164 struct cx23885_board {
 165         char                    *name;
 166         port_t                  porta, portb, portc;
 167         unsigned int            tuner_type;
 168         unsigned int            radio_type;
 169         unsigned char           tuner_addr;
 170         unsigned char           radio_addr;
 171
 172         /* Vendors can and do run the PCIe bridge at different
 173          * clock rates, driven physically by crystals on the PCBs.
 174          * The core has to accomodate this. This allows the user
 175          * to add new boards with new frequencys. The value is
 176          * expressed in Hz.
 177          *
 178          * The core framework will default this value based on
 179          * current designs, but it can vary.
 180          */
 181         u32                     clk_freq;
 182         struct cx23885_input    input[MAX_CX23885_INPUT];
 183 };
 184
 185 struct cx23885_subid {
 186         u16     subvendor;
 187         u16     subdevice;
 188         u32     card;
 189 };
 190
 191 struct cx23885_i2c {
 192         struct cx23885_dev *dev;
 193
 194         int                        nr;
 195
 196         /* i2c i/o */
 197         struct i2c_adapter         i2c_adap;
 198         struct i2c_algo_bit_data   i2c_algo;
 199         struct i2c_client          i2c_client;
 200         u32                        i2c_rc;
 201
 202         /* 885 registers used for raw addess */
 203         u32                        i2c_period;
 204         u32                        reg_ctrl;
 205         u32                        reg_stat;
 206         u32                        reg_addr;
 207         u32                        reg_rdata;
 208         u32                        reg_wdata;
 209 };
 210
 211 struct cx23885_dmaqueue {
 212         struct list_head       active;
 213         struct list_head       queued;
 214         struct timer_list      timeout;
 215         struct btcx_riscmem    stopper;
 216         u32                    count;
 217 };
 218
 219 struct cx23885_tsport {
 220         struct cx23885_dev *dev;
 221
 222         int                        nr;
 223         int                        sram_chno;
 224
 225         struct videobuf_dvb        dvb;
 226
 227         /* dma queues */
 228         struct cx23885_dmaqueue    mpegq;
 229         u32                        ts_packet_size;
 230         u32                        ts_packet_count;
 231
 232         int                        width;
 233         int                        height;
 234
 235         spinlock_t                 slock;
 236
 237         /* registers */
 238         u32                        reg_gpcnt;
 239         u32                        reg_gpcnt_ctl;
 240         u32                        reg_dma_ctl;
 241         u32                        reg_lngth;
 242         u32                        reg_hw_sop_ctrl;
 243         u32                        reg_gen_ctrl;
 244         u32                        reg_bd_pkt_status;
 245         u32                        reg_sop_status;
 246         u32                        reg_fifo_ovfl_stat;
 247         u32                        reg_vld_misc;
 248         u32                        reg_ts_clk_en;
 249         u32                        reg_ts_int_msk;
 250         u32                        reg_ts_int_stat;
 251         u32                        reg_src_sel;
 252
 253         /* Default register vals */
 254         int                        pci_irqmask;
 255         u32                        dma_ctl_val;
 256         u32                        ts_int_msk_val;
 257         u32                        gen_ctrl_val;
 258         u32                        ts_clk_en_val;
 259         u32                        src_sel_val;
 260         u32                        vld_misc_val;
 261         u32                        hw_sop_ctrl_val;
 262 };
 263
 264 struct cx23885_dev {
 265         struct list_head           devlist;
 266         atomic_t                   refcount;
 267
 268         /* pci stuff */
 269         struct pci_dev             *pci;
 270         unsigned char              pci_rev, pci_lat;
 271         int                        pci_bus, pci_slot;
 272         u32                        __iomem *lmmio;
 273         u8                         __iomem *bmmio;
 274         int                        pci_irqmask;
 275         int                        hwrevision;
 276
 277         /* This valud is board specific and is used to configure the
 278          * AV core so we see nice clean and stable video and audio. */
 279         u32                        clk_freq;
 280
 281         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 282         struct cx23885_i2c         i2c_bus[3];
 283
 284         int                        nr;
 285         struct mutex               lock;
 286
 287         /* board details */
 288         unsigned int               board;
 289         char                       name[32];
 290
 291         struct cx23885_tsport      ts1, ts2;
 292
 293         /* sram configuration */
 294         struct sram_channel        *sram_channels;
 295
 296         enum {
 297                 CX23885_BRIDGE_UNDEFINED = 0,
 298                 CX23885_BRIDGE_885 = 885,
 299                 CX23885_BRIDGE_887 = 887,
 300         } bridge;
 301
 302         /* Analog video */
 303         u32                        resources;
 304         unsigned int               input;
 305         u32                        tvaudio;
 306         v4l2_std_id                tvnorm;
 307         unsigned int               tuner_type;
 308         unsigned char              tuner_addr;
 309         unsigned int               radio_type;
 310         unsigned char              radio_addr;
 311         unsigned int               has_radio;
 312
 313         /* V4l */
 314         u32                        freq;
 315         struct video_device        *video_dev;
 316         struct video_device        *vbi_dev;
 317         struct video_device        *radio_dev;
 318
 319         struct cx23885_dmaqueue    vidq;
 320         struct cx23885_dmaqueue    vbiq;
 321         spinlock_t                 slock;
 322
 323         /* MPEG Encoder ONLY settings */
 324         u32                        cx23417_mailbox;
 325         struct cx2341x_mpeg_params mpeg_params;
 326         struct video_device        *v4l_device;
 327         atomic_t                   v4l_reader_count;
 328         struct cx23885_tvnorm      encodernorm;
 329
 330 };
 331
 332 extern struct list_head cx23885_devlist;
 333
 334 #define SRAM_CH01  0 /* Video A */
 335 #define SRAM_CH02  1 /* VBI A */
 336 #define SRAM_CH03  2 /* Video B */
 337 #define SRAM_CH04  3 /* Transport via B */
 338 #define SRAM_CH05  4 /* VBI B */
 339 #define SRAM_CH06  5 /* Video C */
 340 #define SRAM_CH07  6 /* Transport via C */
 341 #define SRAM_CH08  7 /* Audio Internal A */
 342 #define SRAM_CH09  8 /* Audio Internal B */
 343 #define SRAM_CH10  9 /* Audio External */
 344 #define SRAM_CH11 10 /* COMB_3D_N */
 345 #define SRAM_CH12 11 /* Comb 3D N1 */
 346 #define SRAM_CH13 12 /* Comb 3D N2 */
 347 #define SRAM_CH14 13 /* MOE Vid */
 348 #define SRAM_CH15 14 /* MOE RSLT */
 349
 350 struct sram_channel {
 351         char *name;
 352         u32  cmds_start;
 353         u32  ctrl_start;
 354         u32  cdt;
 355         u32  fifo_start;;
 356         u32  fifo_size;
 357         u32  ptr1_reg;
 358         u32  ptr2_reg;
 359         u32  cnt1_reg;
 360         u32  cnt2_reg;
 361         u32  jumponly;
 362 };
 363
 364 /* ----------------------------------------------------------- */
 365
 366 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 367 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
 368
 369 #define cx_andor(reg,mask,value) \
 370   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 371   ((value) & (mask)), dev->lmmio+((reg)>>2))
 372
 373 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
 374 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
 375
 376 /* ----------------------------------------------------------- */
 377 /* cx23885-core.c                                              */
 378
 379 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 380         struct sram_channel *ch,
 381         unsigned int bpl, u32 risc);
 382
 383 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 384         struct sram_channel *ch);
 385
 386 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 387         u32 reg, u32 mask, u32 value);
 388
 389 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 390         struct scatterlist *sglist,
 391         unsigned int top_offset, unsigned int bottom_offset,
 392         unsigned int bpl, unsigned int padding, unsigned int lines);
 393
 394 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 395
 396 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 397                                 struct cx23885_dmaqueue *q);
 398
 399 extern void cx23885_wakeup(struct cx23885_tsport *port,
 400                            struct cx23885_dmaqueue *q, u32 count);
 401
 402
 403 /* ----------------------------------------------------------- */
 404 /* cx23885-cards.c                                             */
 405 extern struct cx23885_board cx23885_boards[];
 406 extern const unsigned int cx23885_bcount;
 407
 408 extern struct cx23885_subid cx23885_subids[];
 409 extern const unsigned int cx23885_idcount;
 410
 411 extern int cx23885_tuner_callback(void *priv, int command, int arg);
 412 extern void cx23885_card_list(struct cx23885_dev *dev);
 413 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 414 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 415 extern void cx23885_card_setup(struct cx23885_dev *dev);
 416 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 417
 418 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 419 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 420
 421 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 422                                struct cx23885_tsport *port,
 423                                struct cx23885_buffer *buf,
 424                                enum v4l2_field field);
 425 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 426                               struct cx23885_buffer *buf);
 427 extern void cx23885_free_buffer(struct videobuf_queue *q,
 428                                 struct cx23885_buffer *buf);
 429
 430 /* ----------------------------------------------------------- */
 431 /* cx23885-video.c                                             */
 432 /* Video */
 433 extern int cx23885_video_register(struct cx23885_dev *dev);
 434 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 435 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 436
 437 /* ----------------------------------------------------------- */
 438 /* cx23885-vbi.c                                               */
 439 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 440         struct v4l2_format *f);
 441 extern void cx23885_vbi_timeout(unsigned long data);
 442 extern struct videobuf_queue_ops cx23885_vbi_qops;
 443
 444 /* cx23885-i2c.c                                                */
 445 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 446 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 447 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
 448                                      void *arg);
 449 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 450
 451 /* ----------------------------------------------------------- */
 452 /* cx23885-417.c                                               */
 453 extern int cx23885_417_register(struct cx23885_dev *dev);
 454 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 455 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 456 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 457 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 458 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 459 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 460
 461
 462 /* ----------------------------------------------------------- */
 463 /* tv norms                                                    */
 464
 465 static inline unsigned int norm_maxw(v4l2_std_id norm)
 466 {
 467         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 468 }
 469
 470 static inline unsigned int norm_maxh(v4l2_std_id norm)
 471 {
 472         return (norm & V4L2_STD_625_50) ? 576 : 480;
 473 }
 474
 475 static inline unsigned int norm_swidth(v4l2_std_id norm)
 476 {
 477         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 478 }
 479
 480
 481 /*
 482  * Local variables:
 483  * c-basic-offset: 8
 484  * End:
 485  * 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
 486  */