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