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