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-device.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 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  74
  75 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
  76 #define CX23885_NORMS (\
  77         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
  78         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
  79         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
  80         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
  81
  82 struct cx23885_fmt {
  83         char  *name;
  84         u32   fourcc;          /* v4l2 format id */
  85         int   depth;
  86         int   flags;
  87         u32   cxformat;
  88 };
  89
  90 struct cx23885_ctrl {
  91         struct v4l2_queryctrl v;
  92         u32                   off;
  93         u32                   reg;
  94         u32                   mask;
  95         u32                   shift;
  96 };
  97
  98 struct cx23885_tvnorm {
  99         char            *name;
 100         v4l2_std_id     id;
 101         u32             cxiformat;
 102         u32             cxoformat;
 103 };
 104
 105 struct cx23885_fh {
 106         struct cx23885_dev         *dev;
 107         enum v4l2_buf_type         type;
 108         int                        radio;
 109         u32                        resources;
 110
 111         /* video overlay */
 112         struct v4l2_window         win;
 113         struct v4l2_clip           *clips;
 114         unsigned int               nclips;
 115
 116         /* video capture */
 117         struct cx23885_fmt         *fmt;
 118         unsigned int               width, height;
 119
 120         /* vbi capture */
 121         struct videobuf_queue      vidq;
 122         struct videobuf_queue      vbiq;
 123
 124         /* MPEG Encoder specifics ONLY */
 125         struct videobuf_queue      mpegq;
 126         atomic_t                   v4l_reading;
 127 };
 128
 129 enum cx23885_itype {
 130         CX23885_VMUX_COMPOSITE1 = 1,
 131         CX23885_VMUX_COMPOSITE2,
 132         CX23885_VMUX_COMPOSITE3,
 133         CX23885_VMUX_COMPOSITE4,
 134         CX23885_VMUX_SVIDEO,
 135         CX23885_VMUX_TELEVISION,
 136         CX23885_VMUX_CABLE,
 137         CX23885_VMUX_DVB,
 138         CX23885_VMUX_DEBUG,
 139         CX23885_RADIO,
 140 };
 141
 142 enum cx23885_src_sel_type {
 143         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 144         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 145 };
 146
 147 /* buffer for one video frame */
 148 struct cx23885_buffer {
 149         /* common v4l buffer stuff -- must be first */
 150         struct videobuf_buffer vb;
 151
 152         /* cx23885 specific */
 153         unsigned int           bpl;
 154         struct btcx_riscmem    risc;
 155         struct cx23885_fmt     *fmt;
 156         u32                    count;
 157 };
 158
 159 struct cx23885_input {
 160         enum cx23885_itype type;
 161         unsigned int    vmux;
 162         u32             gpio0, gpio1, gpio2, gpio3;
 163 };
 164
 165 typedef enum {
 166         CX23885_MPEG_UNDEFINED = 0,
 167         CX23885_MPEG_DVB,
 168         CX23885_ANALOG_VIDEO,
 169         CX23885_MPEG_ENCODER,
 170 } port_t;
 171
 172 struct cx23885_board {
 173         char                    *name;
 174         port_t                  porta, portb, portc;
 175         unsigned int            tuner_type;
 176         unsigned int            radio_type;
 177         unsigned char           tuner_addr;
 178         unsigned char           radio_addr;
 179
 180         /* Vendors can and do run the PCIe bridge at different
 181          * clock rates, driven physically by crystals on the PCBs.
 182          * The core has to accomodate this. This allows the user
 183          * to add new boards with new frequencys. The value is
 184          * expressed in Hz.
 185          *
 186          * The core framework will default this value based on
 187          * current designs, but it can vary.
 188          */
 189         u32                     clk_freq;
 190         struct cx23885_input    input[MAX_CX23885_INPUT];
 191         int                     cimax; /* for NetUP */
 192 };
 193
 194 struct cx23885_subid {
 195         u16     subvendor;
 196         u16     subdevice;
 197         u32     card;
 198 };
 199
 200 struct cx23885_i2c {
 201         struct cx23885_dev *dev;
 202
 203         int                        nr;
 204
 205         /* i2c i/o */
 206         struct i2c_adapter         i2c_adap;
 207         struct i2c_algo_bit_data   i2c_algo;
 208         struct i2c_client          i2c_client;
 209         u32                        i2c_rc;
 210
 211         /* 885 registers used for raw addess */
 212         u32                        i2c_period;
 213         u32                        reg_ctrl;
 214         u32                        reg_stat;
 215         u32                        reg_addr;
 216         u32                        reg_rdata;
 217         u32                        reg_wdata;
 218 };
 219
 220 struct cx23885_dmaqueue {
 221         struct list_head       active;
 222         struct list_head       queued;
 223         struct timer_list      timeout;
 224         struct btcx_riscmem    stopper;
 225         u32                    count;
 226 };
 227
 228 struct cx23885_tsport {
 229         struct cx23885_dev *dev;
 230
 231         int                        nr;
 232         int                        sram_chno;
 233
 234         struct videobuf_dvb_frontends frontends;
 235
 236         /* dma queues */
 237         struct cx23885_dmaqueue    mpegq;
 238         u32                        ts_packet_size;
 239         u32                        ts_packet_count;
 240
 241         int                        width;
 242         int                        height;
 243
 244         spinlock_t                 slock;
 245
 246         /* registers */
 247         u32                        reg_gpcnt;
 248         u32                        reg_gpcnt_ctl;
 249         u32                        reg_dma_ctl;
 250         u32                        reg_lngth;
 251         u32                        reg_hw_sop_ctrl;
 252         u32                        reg_gen_ctrl;
 253         u32                        reg_bd_pkt_status;
 254         u32                        reg_sop_status;
 255         u32                        reg_fifo_ovfl_stat;
 256         u32                        reg_vld_misc;
 257         u32                        reg_ts_clk_en;
 258         u32                        reg_ts_int_msk;
 259         u32                        reg_ts_int_stat;
 260         u32                        reg_src_sel;
 261
 262         /* Default register vals */
 263         int                        pci_irqmask;
 264         u32                        dma_ctl_val;
 265         u32                        ts_int_msk_val;
 266         u32                        gen_ctrl_val;
 267         u32                        ts_clk_en_val;
 268         u32                        src_sel_val;
 269         u32                        vld_misc_val;
 270         u32                        hw_sop_ctrl_val;
 271
 272         /* Allow a single tsport to have multiple frontends */
 273         u32                        num_frontends;
 274         void                       *port_priv;
 275 };
 276
 277 struct cx23885_dev {
 278         struct list_head           devlist;
 279         atomic_t                   refcount;
 280         struct v4l2_device         v4l2_dev;
 281
 282         /* pci stuff */
 283         struct pci_dev             *pci;
 284         unsigned char              pci_rev, pci_lat;
 285         int                        pci_bus, pci_slot;
 286         u32                        __iomem *lmmio;
 287         u8                         __iomem *bmmio;
 288         int                        pci_irqmask;
 289         int                        hwrevision;
 290
 291         /* This valud is board specific and is used to configure the
 292          * AV core so we see nice clean and stable video and audio. */
 293         u32                        clk_freq;
 294
 295         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 296         struct cx23885_i2c         i2c_bus[3];
 297
 298         int                        nr;
 299         struct mutex               lock;
 300
 301         /* board details */
 302         unsigned int               board;
 303         char                       name[32];
 304
 305         struct cx23885_tsport      ts1, ts2;
 306
 307         /* sram configuration */
 308         struct sram_channel        *sram_channels;
 309
 310         enum {
 311                 CX23885_BRIDGE_UNDEFINED = 0,
 312                 CX23885_BRIDGE_885 = 885,
 313                 CX23885_BRIDGE_887 = 887,
 314         } bridge;
 315
 316         /* Analog video */
 317         u32                        resources;
 318         unsigned int               input;
 319         u32                        tvaudio;
 320         v4l2_std_id                tvnorm;
 321         unsigned int               tuner_type;
 322         unsigned char              tuner_addr;
 323         unsigned int               radio_type;
 324         unsigned char              radio_addr;
 325         unsigned int               has_radio;
 326         struct v4l2_subdev         *sd_cx25840;
 327
 328         /* V4l */
 329         u32                        freq;
 330         struct video_device        *video_dev;
 331         struct video_device        *vbi_dev;
 332         struct video_device        *radio_dev;
 333
 334         struct cx23885_dmaqueue    vidq;
 335         struct cx23885_dmaqueue    vbiq;
 336         spinlock_t                 slock;
 337
 338         /* MPEG Encoder ONLY settings */
 339         u32                        cx23417_mailbox;
 340         struct cx2341x_mpeg_params mpeg_params;
 341         struct video_device        *v4l_device;
 342         atomic_t                   v4l_reader_count;
 343         struct cx23885_tvnorm      encodernorm;
 344
 345 };
 346
 347 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 348 {
 349         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 350 }
 351
 352 #define call_all(dev, o, f, args...) \
 353         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 354
 355 extern struct list_head cx23885_devlist;
 356
 357 #define SRAM_CH01  0 /* Video A */
 358 #define SRAM_CH02  1 /* VBI A */
 359 #define SRAM_CH03  2 /* Video B */
 360 #define SRAM_CH04  3 /* Transport via B */
 361 #define SRAM_CH05  4 /* VBI B */
 362 #define SRAM_CH06  5 /* Video C */
 363 #define SRAM_CH07  6 /* Transport via C */
 364 #define SRAM_CH08  7 /* Audio Internal A */
 365 #define SRAM_CH09  8 /* Audio Internal B */
 366 #define SRAM_CH10  9 /* Audio External */
 367 #define SRAM_CH11 10 /* COMB_3D_N */
 368 #define SRAM_CH12 11 /* Comb 3D N1 */
 369 #define SRAM_CH13 12 /* Comb 3D N2 */
 370 #define SRAM_CH14 13 /* MOE Vid */
 371 #define SRAM_CH15 14 /* MOE RSLT */
 372
 373 struct sram_channel {
 374         char *name;
 375         u32  cmds_start;
 376         u32  ctrl_start;
 377         u32  cdt;
 378         u32  fifo_start;;
 379         u32  fifo_size;
 380         u32  ptr1_reg;
 381         u32  ptr2_reg;
 382         u32  cnt1_reg;
 383         u32  cnt2_reg;
 384         u32  jumponly;
 385 };
 386
 387 /* ----------------------------------------------------------- */
 388
 389 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 390 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 391
 392 #define cx_andor(reg, mask, value) \
 393   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 394   ((value) & (mask)), dev->lmmio+((reg)>>2))
 395
 396 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 397 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 398
 399 /* ----------------------------------------------------------- */
 400 /* cx23885-core.c                                              */
 401
 402 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 403         struct sram_channel *ch,
 404         unsigned int bpl, u32 risc);
 405
 406 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 407         struct sram_channel *ch);
 408
 409 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 410         u32 reg, u32 mask, u32 value);
 411
 412 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 413         struct scatterlist *sglist,
 414         unsigned int top_offset, unsigned int bottom_offset,
 415         unsigned int bpl, unsigned int padding, unsigned int lines);
 416
 417 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 418
 419 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 420                                 struct cx23885_dmaqueue *q);
 421
 422 extern void cx23885_wakeup(struct cx23885_tsport *port,
 423                            struct cx23885_dmaqueue *q, u32 count);
 424
 425
 426 /* ----------------------------------------------------------- */
 427 /* cx23885-cards.c                                             */
 428 extern struct cx23885_board cx23885_boards[];
 429 extern const unsigned int cx23885_bcount;
 430
 431 extern struct cx23885_subid cx23885_subids[];
 432 extern const unsigned int cx23885_idcount;
 433
 434 extern int cx23885_tuner_callback(void *priv, int component,
 435         int command, int arg);
 436 extern void cx23885_card_list(struct cx23885_dev *dev);
 437 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 438 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 439 extern void cx23885_card_setup(struct cx23885_dev *dev);
 440 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 441
 442 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 443 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 444
 445 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 446                                struct cx23885_tsport *port,
 447                                struct cx23885_buffer *buf,
 448                                enum v4l2_field field);
 449 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 450                               struct cx23885_buffer *buf);
 451 extern void cx23885_free_buffer(struct videobuf_queue *q,
 452                                 struct cx23885_buffer *buf);
 453
 454 /* ----------------------------------------------------------- */
 455 /* cx23885-video.c                                             */
 456 /* Video */
 457 extern int cx23885_video_register(struct cx23885_dev *dev);
 458 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 459 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 460
 461 /* ----------------------------------------------------------- */
 462 /* cx23885-vbi.c                                               */
 463 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 464         struct v4l2_format *f);
 465 extern void cx23885_vbi_timeout(unsigned long data);
 466 extern struct videobuf_queue_ops cx23885_vbi_qops;
 467
 468 /* cx23885-i2c.c                                                */
 469 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 470 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 471 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 472
 473 /* ----------------------------------------------------------- */
 474 /* cx23885-417.c                                               */
 475 extern int cx23885_417_register(struct cx23885_dev *dev);
 476 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 477 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 478 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 479 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 480 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 481 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 482
 483
 484 /* ----------------------------------------------------------- */
 485 /* tv norms                                                    */
 486
 487 static inline unsigned int norm_maxw(v4l2_std_id norm)
 488 {
 489         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 490 }
 491
 492 static inline unsigned int norm_maxh(v4l2_std_id norm)
 493 {
 494         return (norm & V4L2_STD_625_50) ? 576 : 480;
 495 }
 496
 497 static inline unsigned int norm_swidth(v4l2_std_id norm)
 498 {
 499         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 500 }