SAFE public projects git trees. - safe/jmp/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 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  63 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  64 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  65
  66 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
  67 #define CX23885_NORMS (\
  68         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
  69         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
  70         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
  71         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
  72
  73 struct cx23885_fmt {
  74         char  *name;
  75         u32   fourcc;          /* v4l2 format id */
  76         int   depth;
  77         int   flags;
  78         u32   cxformat;
  79 };
  80
  81 struct cx23885_ctrl {
  82         struct v4l2_queryctrl v;
  83         u32                   off;
  84         u32                   reg;
  85         u32                   mask;
  86         u32                   shift;
  87 };
  88
  89 struct cx23885_tvnorm {
  90         char            *name;
  91         v4l2_std_id     id;
  92         u32             cxiformat;
  93         u32             cxoformat;
  94 };
  95
  96 struct cx23885_fh {
  97         struct cx23885_dev         *dev;
  98         enum v4l2_buf_type         type;
  99         int                        radio;
 100         u32                        resources;
 101
 102         /* video overlay */
 103         struct v4l2_window         win;
 104         struct v4l2_clip           *clips;
 105         unsigned int               nclips;
 106
 107         /* video capture */
 108         struct cx23885_fmt         *fmt;
 109         unsigned int               width, height;
 110
 111         /* vbi capture */
 112         struct videobuf_queue      vidq;
 113         struct videobuf_queue      vbiq;
 114
 115         /* MPEG Encoder specifics ONLY */
 116         struct videobuf_queue      mpegq;
 117         atomic_t                   v4l_reading;
 118 };
 119
 120 enum cx23885_itype {
 121         CX23885_VMUX_COMPOSITE1 = 1,
 122         CX23885_VMUX_COMPOSITE2,
 123         CX23885_VMUX_COMPOSITE3,
 124         CX23885_VMUX_COMPOSITE4,
 125         CX23885_VMUX_SVIDEO,
 126         CX23885_VMUX_TELEVISION,
 127         CX23885_VMUX_CABLE,
 128         CX23885_VMUX_DVB,
 129         CX23885_VMUX_DEBUG,
 130         CX23885_RADIO,
 131 };
 132
 133 enum cx23885_src_sel_type {
 134         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 135         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 136 };
 137
 138 /* buffer for one video frame */
 139 struct cx23885_buffer {
 140         /* common v4l buffer stuff -- must be first */
 141         struct videobuf_buffer vb;
 142
 143         /* cx23885 specific */
 144         unsigned int           bpl;
 145         struct btcx_riscmem    risc;
 146         struct cx23885_fmt     *fmt;
 147         u32                    count;
 148 };
 149
 150 struct cx23885_input {
 151         enum cx23885_itype type;
 152         unsigned int    vmux;
 153         u32             gpio0, gpio1, gpio2, gpio3;
 154 };
 155
 156 typedef enum {
 157         CX23885_MPEG_UNDEFINED = 0,
 158         CX23885_MPEG_DVB,
 159         CX23885_ANALOG_VIDEO,
 160 } port_t;
 161
 162 struct cx23885_board {
 163         char                    *name;
 164         port_t                  porta, portb, portc;
 165         unsigned int            tuner_type;
 166         unsigned int            radio_type;
 167         unsigned char           tuner_addr;
 168         unsigned char           radio_addr;
 169
 170         /* Vendors can and do run the PCIe bridge at different
 171          * clock rates, driven physically by crystals on the PCBs.
 172          * The core has to accomodate this. This allows the user
 173          * to add new boards with new frequencys. The value is
 174          * expressed in Hz.
 175          *
 176          * The core framework will default this value based on
 177          * current designs, but it can vary.
 178          */
 179         u32                     clk_freq;
 180         struct cx23885_input    input[MAX_CX23885_INPUT];
 181 };
 182
 183 struct cx23885_subid {
 184         u16     subvendor;
 185         u16     subdevice;
 186         u32     card;
 187 };
 188
 189 struct cx23885_i2c {
 190         struct cx23885_dev *dev;
 191
 192         int                        nr;
 193
 194         /* i2c i/o */
 195         struct i2c_adapter         i2c_adap;
 196         struct i2c_algo_bit_data   i2c_algo;
 197         struct i2c_client          i2c_client;
 198         u32                        i2c_rc;
 199
 200         /* 885 registers used for raw addess */
 201         u32                        i2c_period;
 202         u32                        reg_ctrl;
 203         u32                        reg_stat;
 204         u32                        reg_addr;
 205         u32                        reg_rdata;
 206         u32                        reg_wdata;
 207 };
 208
 209 struct cx23885_dmaqueue {
 210         struct list_head       active;
 211         struct list_head       queued;
 212         struct timer_list      timeout;
 213         struct btcx_riscmem    stopper;
 214         u32                    count;
 215 };
 216
 217 struct cx23885_tsport {
 218         struct cx23885_dev *dev;
 219
 220         int                        nr;
 221         int                        sram_chno;
 222
 223         struct videobuf_dvb        dvb;
 224
 225         /* dma queues */
 226         struct cx23885_dmaqueue    mpegq;
 227         u32                        ts_packet_size;
 228         u32                        ts_packet_count;
 229
 230         int                        width;
 231         int                        height;
 232
 233         spinlock_t                 slock;
 234
 235         /* registers */
 236         u32                        reg_gpcnt;
 237         u32                        reg_gpcnt_ctl;
 238         u32                        reg_dma_ctl;
 239         u32                        reg_lngth;
 240         u32                        reg_hw_sop_ctrl;
 241         u32                        reg_gen_ctrl;
 242         u32                        reg_bd_pkt_status;
 243         u32                        reg_sop_status;
 244         u32                        reg_fifo_ovfl_stat;
 245         u32                        reg_vld_misc;
 246         u32                        reg_ts_clk_en;
 247         u32                        reg_ts_int_msk;
 248         u32                        reg_ts_int_stat;
 249         u32                        reg_src_sel;
 250
 251         /* Default register vals */
 252         int                        pci_irqmask;
 253         u32                        dma_ctl_val;
 254         u32                        ts_int_msk_val;
 255         u32                        gen_ctrl_val;
 256         u32                        ts_clk_en_val;
 257         u32                        src_sel_val;
 258 };
 259
 260 struct cx23885_dev {
 261         struct list_head           devlist;
 262         atomic_t                   refcount;
 263
 264         /* pci stuff */
 265         struct pci_dev             *pci;
 266         unsigned char              pci_rev, pci_lat;
 267         int                        pci_bus, pci_slot;
 268         u32                        __iomem *lmmio;
 269         u8                         __iomem *bmmio;
 270         int                        pci_irqmask;
 271         int                        hwrevision;
 272
 273         /* This valud is board specific and is used to configure the
 274          * AV core so we see nice clean and stable video and audio. */
 275         u32                        clk_freq;
 276
 277         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 278         struct cx23885_i2c         i2c_bus[3];
 279
 280         int                        nr;
 281         struct mutex               lock;
 282
 283         /* board details */
 284         unsigned int               board;
 285         char                       name[32];
 286
 287         struct cx23885_tsport      ts1, ts2;
 288
 289         /* sram configuration */
 290         struct sram_channel        *sram_channels;
 291
 292         enum {
 293                 CX23885_BRIDGE_UNDEFINED = 0,
 294                 CX23885_BRIDGE_885 = 885,
 295                 CX23885_BRIDGE_887 = 887,
 296         } bridge;
 297
 298         /* Analog video */
 299         u32                        resources;
 300         unsigned int               input;
 301         u32                        tvaudio;
 302         v4l2_std_id                tvnorm;
 303         unsigned int               tuner_type;
 304         unsigned char              tuner_addr;
 305         unsigned int               radio_type;
 306         unsigned char              radio_addr;
 307         unsigned int               has_radio;
 308
 309         /* V4l */
 310         u32                        freq;
 311         struct video_device        *video_dev;
 312         struct video_device        *vbi_dev;
 313         struct video_device        *radio_dev;
 314
 315         struct cx23885_dmaqueue    vidq;
 316         struct cx23885_dmaqueue    vbiq;
 317         spinlock_t                 slock;
 318 };
 319
 320 extern struct list_head cx23885_devlist;
 321
 322 #define SRAM_CH01  0 /* Video A */
 323 #define SRAM_CH02  1 /* VBI A */
 324 #define SRAM_CH03  2 /* Video B */
 325 #define SRAM_CH04  3 /* Transport via B */
 326 #define SRAM_CH05  4 /* VBI B */
 327 #define SRAM_CH06  5 /* Video C */
 328 #define SRAM_CH07  6 /* Transport via C */
 329 #define SRAM_CH08  7 /* Audio Internal A */
 330 #define SRAM_CH09  8 /* Audio Internal B */
 331 #define SRAM_CH10  9 /* Audio External */
 332 #define SRAM_CH11 10 /* COMB_3D_N */
 333 #define SRAM_CH12 11 /* Comb 3D N1 */
 334 #define SRAM_CH13 12 /* Comb 3D N2 */
 335 #define SRAM_CH14 13 /* MOE Vid */
 336 #define SRAM_CH15 14 /* MOE RSLT */
 337
 338 struct sram_channel {
 339         char *name;
 340         u32  cmds_start;
 341         u32  ctrl_start;
 342         u32  cdt;
 343         u32  fifo_start;;
 344         u32  fifo_size;
 345         u32  ptr1_reg;
 346         u32  ptr2_reg;
 347         u32  cnt1_reg;
 348         u32  cnt2_reg;
 349         u32  jumponly;
 350 };
 351
 352 /* ----------------------------------------------------------- */
 353
 354 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 355 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
 356
 357 #define cx_andor(reg,mask,value) \
 358   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 359   ((value) & (mask)), dev->lmmio+((reg)>>2))
 360
 361 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
 362 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
 363
 364 /* ----------------------------------------------------------- */
 365 /* cx23885-core.c                                              */
 366
 367 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 368         struct sram_channel *ch,
 369         unsigned int bpl, u32 risc);
 370
 371 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 372         struct sram_channel *ch);
 373
 374 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 375         u32 reg, u32 mask, u32 value);
 376
 377 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 378         struct scatterlist *sglist,
 379         unsigned int top_offset, unsigned int bottom_offset,
 380         unsigned int bpl, unsigned int padding, unsigned int lines);
 381
 382 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 383
 384 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 385                                 struct cx23885_dmaqueue *q);
 386
 387 extern void cx23885_wakeup(struct cx23885_tsport *port,
 388                            struct cx23885_dmaqueue *q, u32 count);
 389
 390
 391 /* ----------------------------------------------------------- */
 392 /* cx23885-cards.c                                             */
 393 extern struct cx23885_board cx23885_boards[];
 394 extern const unsigned int cx23885_bcount;
 395
 396 extern struct cx23885_subid cx23885_subids[];
 397 extern const unsigned int cx23885_idcount;
 398
 399 extern int cx23885_tuner_callback(void *priv, int command, int arg);
 400 extern void cx23885_card_list(struct cx23885_dev *dev);
 401 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 402 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 403 extern void cx23885_card_setup(struct cx23885_dev *dev);
 404 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 405
 406 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 407 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 408
 409 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 410                                struct cx23885_tsport *port,
 411                                struct cx23885_buffer *buf,
 412                                enum v4l2_field field);
 413 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 414                               struct cx23885_buffer *buf);
 415 extern void cx23885_free_buffer(struct videobuf_queue *q,
 416                                 struct cx23885_buffer *buf);
 417
 418 /* ----------------------------------------------------------- */
 419 /* cx23885-video.c                                             */
 420 /* Video */
 421 extern int cx23885_video_register(struct cx23885_dev *dev);
 422 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 423 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 424
 425 /* ----------------------------------------------------------- */
 426 /* cx23885-vbi.c                                               */
 427 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 428         struct v4l2_format *f);
 429 extern void cx23885_vbi_timeout(unsigned long data);
 430 extern struct videobuf_queue_ops cx23885_vbi_qops;
 431
 432 /* cx23885-i2c.c                                                */
 433 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 434 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 435 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
 436                                      void *arg);
 437
 438 /* ----------------------------------------------------------- */
 439 /* tv norms                                                    */
 440
 441 static inline unsigned int norm_maxw(v4l2_std_id norm)
 442 {
 443         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 444 }
 445
 446 static inline unsigned int norm_maxh(v4l2_std_id norm)
 447 {
 448         return (norm & V4L2_STD_625_50) ? 576 : 480;
 449 }
 450
 451 static inline unsigned int norm_swidth(v4l2_std_id norm)
 452 {
 453         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 454 }
 455
 456
 457 /*
 458  * Local variables:
 459  * c-basic-offset: 8
 460  * End:
 461  * 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
 462  */