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 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  70 #define CX23885_BOARD_TBS_6920                 14
  71 #define CX23885_BOARD_TEVII_S470               15
  72 #define CX23885_BOARD_DVBWORLD_2005            16
  73
  74 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
  75 #define CX23885_NORMS (\
  76         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
  77         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
  78         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
  79         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
  80
  81 struct cx23885_fmt {
  82         char  *name;
  83         u32   fourcc;          /* v4l2 format id */
  84         int   depth;
  85         int   flags;
  86         u32   cxformat;
  87 };
  88
  89 struct cx23885_ctrl {
  90         struct v4l2_queryctrl v;
  91         u32                   off;
  92         u32                   reg;
  93         u32                   mask;
  94         u32                   shift;
  95 };
  96
  97 struct cx23885_tvnorm {
  98         char            *name;
  99         v4l2_std_id     id;
 100         u32             cxiformat;
 101         u32             cxoformat;
 102 };
 103
 104 struct cx23885_fh {
 105         struct cx23885_dev         *dev;
 106         enum v4l2_buf_type         type;
 107         int                        radio;
 108         u32                        resources;
 109
 110         /* video overlay */
 111         struct v4l2_window         win;
 112         struct v4l2_clip           *clips;
 113         unsigned int               nclips;
 114
 115         /* video capture */
 116         struct cx23885_fmt         *fmt;
 117         unsigned int               width, height;
 118
 119         /* vbi capture */
 120         struct videobuf_queue      vidq;
 121         struct videobuf_queue      vbiq;
 122
 123         /* MPEG Encoder specifics ONLY */
 124         struct videobuf_queue      mpegq;
 125         atomic_t                   v4l_reading;
 126 };
 127
 128 enum cx23885_itype {
 129         CX23885_VMUX_COMPOSITE1 = 1,
 130         CX23885_VMUX_COMPOSITE2,
 131         CX23885_VMUX_COMPOSITE3,
 132         CX23885_VMUX_COMPOSITE4,
 133         CX23885_VMUX_SVIDEO,
 134         CX23885_VMUX_TELEVISION,
 135         CX23885_VMUX_CABLE,
 136         CX23885_VMUX_DVB,
 137         CX23885_VMUX_DEBUG,
 138         CX23885_RADIO,
 139 };
 140
 141 enum cx23885_src_sel_type {
 142         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 143         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 144 };
 145
 146 /* buffer for one video frame */
 147 struct cx23885_buffer {
 148         /* common v4l buffer stuff -- must be first */
 149         struct videobuf_buffer vb;
 150
 151         /* cx23885 specific */
 152         unsigned int           bpl;
 153         struct btcx_riscmem    risc;
 154         struct cx23885_fmt     *fmt;
 155         u32                    count;
 156 };
 157
 158 struct cx23885_input {
 159         enum cx23885_itype type;
 160         unsigned int    vmux;
 161         u32             gpio0, gpio1, gpio2, gpio3;
 162 };
 163
 164 typedef enum {
 165         CX23885_MPEG_UNDEFINED = 0,
 166         CX23885_MPEG_DVB,
 167         CX23885_ANALOG_VIDEO,
 168         CX23885_MPEG_ENCODER,
 169 } port_t;
 170
 171 struct cx23885_board {
 172         char                    *name;
 173         port_t                  porta, portb, portc;
 174         unsigned int            tuner_type;
 175         unsigned int            radio_type;
 176         unsigned char           tuner_addr;
 177         unsigned char           radio_addr;
 178
 179         /* Vendors can and do run the PCIe bridge at different
 180          * clock rates, driven physically by crystals on the PCBs.
 181          * The core has to accomodate this. This allows the user
 182          * to add new boards with new frequencys. The value is
 183          * expressed in Hz.
 184          *
 185          * The core framework will default this value based on
 186          * current designs, but it can vary.
 187          */
 188         u32                     clk_freq;
 189         struct cx23885_input    input[MAX_CX23885_INPUT];
 190 };
 191
 192 struct cx23885_subid {
 193         u16     subvendor;
 194         u16     subdevice;
 195         u32     card;
 196 };
 197
 198 struct cx23885_i2c {
 199         struct cx23885_dev *dev;
 200
 201         int                        nr;
 202
 203         /* i2c i/o */
 204         struct i2c_adapter         i2c_adap;
 205         struct i2c_algo_bit_data   i2c_algo;
 206         struct i2c_client          i2c_client;
 207         u32                        i2c_rc;
 208
 209         /* 885 registers used for raw addess */
 210         u32                        i2c_period;
 211         u32                        reg_ctrl;
 212         u32                        reg_stat;
 213         u32                        reg_addr;
 214         u32                        reg_rdata;
 215         u32                        reg_wdata;
 216 };
 217
 218 struct cx23885_dmaqueue {
 219         struct list_head       active;
 220         struct list_head       queued;
 221         struct timer_list      timeout;
 222         struct btcx_riscmem    stopper;
 223         u32                    count;
 224 };
 225
 226 struct cx23885_tsport {
 227         struct cx23885_dev *dev;
 228
 229         int                        nr;
 230         int                        sram_chno;
 231
 232         struct videobuf_dvb_frontends frontends;
 233
 234         /* dma queues */
 235         struct cx23885_dmaqueue    mpegq;
 236         u32                        ts_packet_size;
 237         u32                        ts_packet_count;
 238
 239         int                        width;
 240         int                        height;
 241
 242         spinlock_t                 slock;
 243
 244         /* registers */
 245         u32                        reg_gpcnt;
 246         u32                        reg_gpcnt_ctl;
 247         u32                        reg_dma_ctl;
 248         u32                        reg_lngth;
 249         u32                        reg_hw_sop_ctrl;
 250         u32                        reg_gen_ctrl;
 251         u32                        reg_bd_pkt_status;
 252         u32                        reg_sop_status;
 253         u32                        reg_fifo_ovfl_stat;
 254         u32                        reg_vld_misc;
 255         u32                        reg_ts_clk_en;
 256         u32                        reg_ts_int_msk;
 257         u32                        reg_ts_int_stat;
 258         u32                        reg_src_sel;
 259
 260         /* Default register vals */
 261         int                        pci_irqmask;
 262         u32                        dma_ctl_val;
 263         u32                        ts_int_msk_val;
 264         u32                        gen_ctrl_val;
 265         u32                        ts_clk_en_val;
 266         u32                        src_sel_val;
 267         u32                        vld_misc_val;
 268         u32                        hw_sop_ctrl_val;
 269
 270         /* Allow a single tsport to have multiple frontends */
 271         u32                        num_frontends;
 272 };
 273
 274 struct cx23885_dev {
 275         struct list_head           devlist;
 276         atomic_t                   refcount;
 277
 278         /* pci stuff */
 279         struct pci_dev             *pci;
 280         unsigned char              pci_rev, pci_lat;
 281         int                        pci_bus, pci_slot;
 282         u32                        __iomem *lmmio;
 283         u8                         __iomem *bmmio;
 284         int                        pci_irqmask;
 285         int                        hwrevision;
 286
 287         /* This valud is board specific and is used to configure the
 288          * AV core so we see nice clean and stable video and audio. */
 289         u32                        clk_freq;
 290
 291         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 292         struct cx23885_i2c         i2c_bus[3];
 293
 294         int                        nr;
 295         struct mutex               lock;
 296
 297         /* board details */
 298         unsigned int               board;
 299         char                       name[32];
 300
 301         struct cx23885_tsport      ts1, ts2;
 302
 303         /* sram configuration */
 304         struct sram_channel        *sram_channels;
 305
 306         enum {
 307                 CX23885_BRIDGE_UNDEFINED = 0,
 308                 CX23885_BRIDGE_885 = 885,
 309                 CX23885_BRIDGE_887 = 887,
 310         } bridge;
 311
 312         /* Analog video */
 313         u32                        resources;
 314         unsigned int               input;
 315         u32                        tvaudio;
 316         v4l2_std_id                tvnorm;
 317         unsigned int               tuner_type;
 318         unsigned char              tuner_addr;
 319         unsigned int               radio_type;
 320         unsigned char              radio_addr;
 321         unsigned int               has_radio;
 322
 323         /* V4l */
 324         u32                        freq;
 325         struct video_device        *video_dev;
 326         struct video_device        *vbi_dev;
 327         struct video_device        *radio_dev;
 328
 329         struct cx23885_dmaqueue    vidq;
 330         struct cx23885_dmaqueue    vbiq;
 331         spinlock_t                 slock;
 332
 333         /* MPEG Encoder ONLY settings */
 334         u32                        cx23417_mailbox;
 335         struct cx2341x_mpeg_params mpeg_params;
 336         struct video_device        *v4l_device;
 337         atomic_t                   v4l_reader_count;
 338         struct cx23885_tvnorm      encodernorm;
 339
 340 };
 341
 342 extern struct list_head cx23885_devlist;
 343
 344 #define SRAM_CH01  0 /* Video A */
 345 #define SRAM_CH02  1 /* VBI A */
 346 #define SRAM_CH03  2 /* Video B */
 347 #define SRAM_CH04  3 /* Transport via B */
 348 #define SRAM_CH05  4 /* VBI B */
 349 #define SRAM_CH06  5 /* Video C */
 350 #define SRAM_CH07  6 /* Transport via C */
 351 #define SRAM_CH08  7 /* Audio Internal A */
 352 #define SRAM_CH09  8 /* Audio Internal B */
 353 #define SRAM_CH10  9 /* Audio External */
 354 #define SRAM_CH11 10 /* COMB_3D_N */
 355 #define SRAM_CH12 11 /* Comb 3D N1 */
 356 #define SRAM_CH13 12 /* Comb 3D N2 */
 357 #define SRAM_CH14 13 /* MOE Vid */
 358 #define SRAM_CH15 14 /* MOE RSLT */
 359
 360 struct sram_channel {
 361         char *name;
 362         u32  cmds_start;
 363         u32  ctrl_start;
 364         u32  cdt;
 365         u32  fifo_start;;
 366         u32  fifo_size;
 367         u32  ptr1_reg;
 368         u32  ptr2_reg;
 369         u32  cnt1_reg;
 370         u32  cnt2_reg;
 371         u32  jumponly;
 372 };
 373
 374 /* ----------------------------------------------------------- */
 375
 376 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 377 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 378
 379 #define cx_andor(reg, mask, value) \
 380   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 381   ((value) & (mask)), dev->lmmio+((reg)>>2))
 382
 383 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 384 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 385
 386 /* ----------------------------------------------------------- */
 387 /* cx23885-core.c                                              */
 388
 389 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 390         struct sram_channel *ch,
 391         unsigned int bpl, u32 risc);
 392
 393 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 394         struct sram_channel *ch);
 395
 396 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 397         u32 reg, u32 mask, u32 value);
 398
 399 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 400         struct scatterlist *sglist,
 401         unsigned int top_offset, unsigned int bottom_offset,
 402         unsigned int bpl, unsigned int padding, unsigned int lines);
 403
 404 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 405
 406 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 407                                 struct cx23885_dmaqueue *q);
 408
 409 extern void cx23885_wakeup(struct cx23885_tsport *port,
 410                            struct cx23885_dmaqueue *q, u32 count);
 411
 412
 413 /* ----------------------------------------------------------- */
 414 /* cx23885-cards.c                                             */
 415 extern struct cx23885_board cx23885_boards[];
 416 extern const unsigned int cx23885_bcount;
 417
 418 extern struct cx23885_subid cx23885_subids[];
 419 extern const unsigned int cx23885_idcount;
 420
 421 extern int cx23885_tuner_callback(void *priv, int component,
 422         int command, int arg);
 423 extern void cx23885_card_list(struct cx23885_dev *dev);
 424 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 425 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 426 extern void cx23885_card_setup(struct cx23885_dev *dev);
 427 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 428
 429 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 430 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 431
 432 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 433                                struct cx23885_tsport *port,
 434                                struct cx23885_buffer *buf,
 435                                enum v4l2_field field);
 436 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 437                               struct cx23885_buffer *buf);
 438 extern void cx23885_free_buffer(struct videobuf_queue *q,
 439                                 struct cx23885_buffer *buf);
 440
 441 /* ----------------------------------------------------------- */
 442 /* cx23885-video.c                                             */
 443 /* Video */
 444 extern int cx23885_video_register(struct cx23885_dev *dev);
 445 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 446 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 447
 448 /* ----------------------------------------------------------- */
 449 /* cx23885-vbi.c                                               */
 450 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 451         struct v4l2_format *f);
 452 extern void cx23885_vbi_timeout(unsigned long data);
 453 extern struct videobuf_queue_ops cx23885_vbi_qops;
 454
 455 /* cx23885-i2c.c                                                */
 456 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 457 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 458 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
 459                                      void *arg);
 460 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 461
 462 /* ----------------------------------------------------------- */
 463 /* cx23885-417.c                                               */
 464 extern int cx23885_417_register(struct cx23885_dev *dev);
 465 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 466 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 467 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 468 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 469 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 470 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 471
 472
 473 /* ----------------------------------------------------------- */
 474 /* tv norms                                                    */
 475
 476 static inline unsigned int norm_maxw(v4l2_std_id norm)
 477 {
 478         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 479 }
 480
 481 static inline unsigned int norm_maxh(v4l2_std_id norm)
 482 {
 483         return (norm & V4L2_STD_625_50) ? 576 : 480;
 484 }
 485
 486 static inline unsigned int norm_swidth(v4l2_std_id norm)
 487 {
 488         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 489 }