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 #include <linux/slab.h>
  27
  28 #include <media/v4l2-device.h>
  29 #include <media/tuner.h>
  30 #include <media/tveeprom.h>
  31 #include <media/videobuf-dma-sg.h>
  32 #include <media/videobuf-dvb.h>
  33 #include <media/rc-core.h>
  34
  35 #include "btcx-risc.h"
  36 #include "cx23885-reg.h"
  37 #include "media/cx2341x.h"
  38
  39 #include <linux/mutex.h>
  40
  41 #define CX23885_VERSION "0.0.3"
  42
  43 #define UNSET (-1U)
  44
  45 #define CX23885_MAXBOARDS 8
  46
  47 /* Max number of inputs by card */
  48 #define MAX_CX23885_INPUT 8
  49 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  50 #define RESOURCE_OVERLAY       1
  51 #define RESOURCE_VIDEO         2
  52 #define RESOURCE_VBI           4
  53
  54 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  55
  56 #define CX23885_BOARD_NOAUTO               UNSET
  57 #define CX23885_BOARD_UNKNOWN                  0
  58 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  59 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  60 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  61 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  62 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  63 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  64 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  65 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  66 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  67 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  68 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  69 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  70 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  71 #define CX23885_BOARD_TBS_6920                 14
  72 #define CX23885_BOARD_TEVII_S470               15
  73 #define CX23885_BOARD_DVBWORLD_2005            16
  74 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  75 #define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  76 #define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  77 #define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  78 #define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  79 #define CX23885_BOARD_MYGICA_X8506             22
  80 #define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  81 #define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  82 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  83 #define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  84 #define CX23885_BOARD_MYGICA_X8558PRO          27
  85 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  86 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  87 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
  88 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
  89 #define CX23885_BOARD_MPX885                   32
  90 #define CX23885_BOARD_MYGICA_X8507             33
  91 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
  92
  93 #define GPIO_0 0x00000001
  94 #define GPIO_1 0x00000002
  95 #define GPIO_2 0x00000004
  96 #define GPIO_3 0x00000008
  97 #define GPIO_4 0x00000010
  98 #define GPIO_5 0x00000020
  99 #define GPIO_6 0x00000040
 100 #define GPIO_7 0x00000080
 101 #define GPIO_8 0x00000100
 102 #define GPIO_9 0x00000200
 103 #define GPIO_10 0x00000400
 104 #define GPIO_11 0x00000800
 105 #define GPIO_12 0x00001000
 106 #define GPIO_13 0x00002000
 107 #define GPIO_14 0x00004000
 108 #define GPIO_15 0x00008000
 109
 110 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 111 #define CX23885_NORMS (\
 112         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 113         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 114         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 115         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 116
 117 struct cx23885_fmt {
 118         char  *name;
 119         u32   fourcc;          /* v4l2 format id */
 120         int   depth;
 121         int   flags;
 122         u32   cxformat;
 123 };
 124
 125 struct cx23885_ctrl {
 126         struct v4l2_queryctrl v;
 127         u32                   off;
 128         u32                   reg;
 129         u32                   mask;
 130         u32                   shift;
 131 };
 132
 133 struct cx23885_tvnorm {
 134         char            *name;
 135         v4l2_std_id     id;
 136         u32             cxiformat;
 137         u32             cxoformat;
 138 };
 139
 140 struct cx23885_fh {
 141         struct cx23885_dev         *dev;
 142         enum v4l2_buf_type         type;
 143         int                        radio;
 144         u32                        resources;
 145
 146         /* video overlay */
 147         struct v4l2_window         win;
 148         struct v4l2_clip           *clips;
 149         unsigned int               nclips;
 150
 151         /* video capture */
 152         struct cx23885_fmt         *fmt;
 153         unsigned int               width, height;
 154
 155         /* vbi capture */
 156         struct videobuf_queue      vidq;
 157         struct videobuf_queue      vbiq;
 158
 159         /* MPEG Encoder specifics ONLY */
 160         struct videobuf_queue      mpegq;
 161         atomic_t                   v4l_reading;
 162 };
 163
 164 enum cx23885_itype {
 165         CX23885_VMUX_COMPOSITE1 = 1,
 166         CX23885_VMUX_COMPOSITE2,
 167         CX23885_VMUX_COMPOSITE3,
 168         CX23885_VMUX_COMPOSITE4,
 169         CX23885_VMUX_SVIDEO,
 170         CX23885_VMUX_COMPONENT,
 171         CX23885_VMUX_TELEVISION,
 172         CX23885_VMUX_CABLE,
 173         CX23885_VMUX_DVB,
 174         CX23885_VMUX_DEBUG,
 175         CX23885_RADIO,
 176 };
 177
 178 enum cx23885_src_sel_type {
 179         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 180         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 181 };
 182
 183 /* buffer for one video frame */
 184 struct cx23885_buffer {
 185         /* common v4l buffer stuff -- must be first */
 186         struct videobuf_buffer vb;
 187
 188         /* cx23885 specific */
 189         unsigned int           bpl;
 190         struct btcx_riscmem    risc;
 191         struct cx23885_fmt     *fmt;
 192         u32                    count;
 193 };
 194
 195 struct cx23885_input {
 196         enum cx23885_itype type;
 197         unsigned int    vmux;
 198         unsigned int    amux;
 199         u32             gpio0, gpio1, gpio2, gpio3;
 200 };
 201
 202 typedef enum {
 203         CX23885_MPEG_UNDEFINED = 0,
 204         CX23885_MPEG_DVB,
 205         CX23885_ANALOG_VIDEO,
 206         CX23885_MPEG_ENCODER,
 207 } port_t;
 208
 209 struct cx23885_board {
 210         char                    *name;
 211         port_t                  porta, portb, portc;
 212         int             num_fds_portb, num_fds_portc;
 213         unsigned int            tuner_type;
 214         unsigned int            radio_type;
 215         unsigned char           tuner_addr;
 216         unsigned char           radio_addr;
 217         unsigned int            tuner_bus;
 218
 219         /* Vendors can and do run the PCIe bridge at different
 220          * clock rates, driven physically by crystals on the PCBs.
 221          * The core has to accommodate this. This allows the user
 222          * to add new boards with new frequencys. The value is
 223          * expressed in Hz.
 224          *
 225          * The core framework will default this value based on
 226          * current designs, but it can vary.
 227          */
 228         u32                     clk_freq;
 229         struct cx23885_input    input[MAX_CX23885_INPUT];
 230         int                     ci_type; /* for NetUP */
 231         /* Force bottom field first during DMA (888 workaround) */
 232         u32                     force_bff;
 233 };
 234
 235 struct cx23885_subid {
 236         u16     subvendor;
 237         u16     subdevice;
 238         u32     card;
 239 };
 240
 241 struct cx23885_i2c {
 242         struct cx23885_dev *dev;
 243
 244         int                        nr;
 245
 246         /* i2c i/o */
 247         struct i2c_adapter         i2c_adap;
 248         struct i2c_algo_bit_data   i2c_algo;
 249         struct i2c_client          i2c_client;
 250         u32                        i2c_rc;
 251
 252         /* 885 registers used for raw addess */
 253         u32                        i2c_period;
 254         u32                        reg_ctrl;
 255         u32                        reg_stat;
 256         u32                        reg_addr;
 257         u32                        reg_rdata;
 258         u32                        reg_wdata;
 259 };
 260
 261 struct cx23885_dmaqueue {
 262         struct list_head       active;
 263         struct list_head       queued;
 264         struct timer_list      timeout;
 265         struct btcx_riscmem    stopper;
 266         u32                    count;
 267 };
 268
 269 struct cx23885_tsport {
 270         struct cx23885_dev *dev;
 271
 272         int                        nr;
 273         int                        sram_chno;
 274
 275         struct videobuf_dvb_frontends frontends;
 276
 277         /* dma queues */
 278         struct cx23885_dmaqueue    mpegq;
 279         u32                        ts_packet_size;
 280         u32                        ts_packet_count;
 281
 282         int                        width;
 283         int                        height;
 284
 285         spinlock_t                 slock;
 286
 287         /* registers */
 288         u32                        reg_gpcnt;
 289         u32                        reg_gpcnt_ctl;
 290         u32                        reg_dma_ctl;
 291         u32                        reg_lngth;
 292         u32                        reg_hw_sop_ctrl;
 293         u32                        reg_gen_ctrl;
 294         u32                        reg_bd_pkt_status;
 295         u32                        reg_sop_status;
 296         u32                        reg_fifo_ovfl_stat;
 297         u32                        reg_vld_misc;
 298         u32                        reg_ts_clk_en;
 299         u32                        reg_ts_int_msk;
 300         u32                        reg_ts_int_stat;
 301         u32                        reg_src_sel;
 302
 303         /* Default register vals */
 304         int                        pci_irqmask;
 305         u32                        dma_ctl_val;
 306         u32                        ts_int_msk_val;
 307         u32                        gen_ctrl_val;
 308         u32                        ts_clk_en_val;
 309         u32                        src_sel_val;
 310         u32                        vld_misc_val;
 311         u32                        hw_sop_ctrl_val;
 312
 313         /* Allow a single tsport to have multiple frontends */
 314         u32                        num_frontends;
 315         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 316         void                       *port_priv;
 317
 318         /* Workaround for a temp dvb_frontend that the tuner can attached to */
 319         struct dvb_frontend analog_fe;
 320 };
 321
 322 struct cx23885_kernel_ir {
 323         struct cx23885_dev      *cx;
 324         char                    *name;
 325         char                    *phys;
 326
 327         struct rc_dev           *rc;
 328 };
 329
 330 struct cx23885_audio_buffer {
 331         unsigned int            bpl;
 332         struct btcx_riscmem     risc;
 333         struct videobuf_dmabuf  dma;
 334 };
 335
 336 struct cx23885_audio_dev {
 337         struct cx23885_dev      *dev;
 338
 339         struct pci_dev          *pci;
 340
 341         struct snd_card         *card;
 342
 343         spinlock_t              lock;
 344
 345         atomic_t                count;
 346
 347         unsigned int            dma_size;
 348         unsigned int            period_size;
 349         unsigned int            num_periods;
 350
 351         struct videobuf_dmabuf  *dma_risc;
 352
 353         struct cx23885_audio_buffer   *buf;
 354
 355         struct snd_pcm_substream *substream;
 356 };
 357
 358 struct cx23885_dev {
 359         atomic_t                   refcount;
 360         struct v4l2_device         v4l2_dev;
 361
 362         /* pci stuff */
 363         struct pci_dev             *pci;
 364         unsigned char              pci_rev, pci_lat;
 365         int                        pci_bus, pci_slot;
 366         u32                        __iomem *lmmio;
 367         u8                         __iomem *bmmio;
 368         int                        pci_irqmask;
 369         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 370         int                        hwrevision;
 371
 372         /* This valud is board specific and is used to configure the
 373          * AV core so we see nice clean and stable video and audio. */
 374         u32                        clk_freq;
 375
 376         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 377         struct cx23885_i2c         i2c_bus[3];
 378
 379         int                        nr;
 380         struct mutex               lock;
 381         struct mutex               gpio_lock;
 382
 383         /* board details */
 384         unsigned int               board;
 385         char                       name[32];
 386
 387         struct cx23885_tsport      ts1, ts2;
 388
 389         /* sram configuration */
 390         struct sram_channel        *sram_channels;
 391
 392         enum {
 393                 CX23885_BRIDGE_UNDEFINED = 0,
 394                 CX23885_BRIDGE_885 = 885,
 395                 CX23885_BRIDGE_887 = 887,
 396                 CX23885_BRIDGE_888 = 888,
 397         } bridge;
 398
 399         /* Analog video */
 400         u32                        resources;
 401         unsigned int               input;
 402         unsigned int               audinput; /* Selectable audio input */
 403         u32                        tvaudio;
 404         v4l2_std_id                tvnorm;
 405         unsigned int               tuner_type;
 406         unsigned char              tuner_addr;
 407         unsigned int               tuner_bus;
 408         unsigned int               radio_type;
 409         unsigned char              radio_addr;
 410         unsigned int               has_radio;
 411         struct v4l2_subdev         *sd_cx25840;
 412         struct work_struct         cx25840_work;
 413
 414         /* Infrared */
 415         struct v4l2_subdev         *sd_ir;
 416         struct work_struct         ir_rx_work;
 417         unsigned long              ir_rx_notifications;
 418         struct work_struct         ir_tx_work;
 419         unsigned long              ir_tx_notifications;
 420
 421         struct cx23885_kernel_ir   *kernel_ir;
 422         atomic_t                   ir_input_stopping;
 423
 424         /* V4l */
 425         u32                        freq;
 426         struct video_device        *video_dev;
 427         struct video_device        *vbi_dev;
 428         struct video_device        *radio_dev;
 429
 430         struct cx23885_dmaqueue    vidq;
 431         struct cx23885_dmaqueue    vbiq;
 432         spinlock_t                 slock;
 433
 434         /* MPEG Encoder ONLY settings */
 435         u32                        cx23417_mailbox;
 436         struct cx2341x_mpeg_params mpeg_params;
 437         struct video_device        *v4l_device;
 438         atomic_t                   v4l_reader_count;
 439         struct cx23885_tvnorm      encodernorm;
 440
 441         /* Analog raw audio */
 442         struct cx23885_audio_dev   *audio_dev;
 443
 444 };
 445
 446 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 447 {
 448         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 449 }
 450
 451 #define call_all(dev, o, f, args...) \
 452         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 453
 454 #define CX23885_HW_888_IR  (1 << 0)
 455 #define CX23885_HW_AV_CORE (1 << 1)
 456
 457 #define call_hw(dev, grpid, o, f, args...) \
 458         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 459
 460 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 461
 462 #define SRAM_CH01  0 /* Video A */
 463 #define SRAM_CH02  1 /* VBI A */
 464 #define SRAM_CH03  2 /* Video B */
 465 #define SRAM_CH04  3 /* Transport via B */
 466 #define SRAM_CH05  4 /* VBI B */
 467 #define SRAM_CH06  5 /* Video C */
 468 #define SRAM_CH07  6 /* Transport via C */
 469 #define SRAM_CH08  7 /* Audio Internal A */
 470 #define SRAM_CH09  8 /* Audio Internal B */
 471 #define SRAM_CH10  9 /* Audio External */
 472 #define SRAM_CH11 10 /* COMB_3D_N */
 473 #define SRAM_CH12 11 /* Comb 3D N1 */
 474 #define SRAM_CH13 12 /* Comb 3D N2 */
 475 #define SRAM_CH14 13 /* MOE Vid */
 476 #define SRAM_CH15 14 /* MOE RSLT */
 477
 478 struct sram_channel {
 479         char *name;
 480         u32  cmds_start;
 481         u32  ctrl_start;
 482         u32  cdt;
 483         u32  fifo_start;
 484         u32  fifo_size;
 485         u32  ptr1_reg;
 486         u32  ptr2_reg;
 487         u32  cnt1_reg;
 488         u32  cnt2_reg;
 489         u32  jumponly;
 490 };
 491
 492 /* ----------------------------------------------------------- */
 493
 494 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 495 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 496
 497 #define cx_andor(reg, mask, value) \
 498   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 499   ((value) & (mask)), dev->lmmio+((reg)>>2))
 500
 501 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 502 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 503
 504 /* ----------------------------------------------------------- */
 505 /* cx23885-core.c                                              */
 506
 507 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 508         struct sram_channel *ch,
 509         unsigned int bpl, u32 risc);
 510
 511 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 512         struct sram_channel *ch);
 513
 514 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 515         u32 reg, u32 mask, u32 value);
 516
 517 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 518         struct scatterlist *sglist,
 519         unsigned int top_offset, unsigned int bottom_offset,
 520         unsigned int bpl, unsigned int padding, unsigned int lines);
 521
 522 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 523         struct btcx_riscmem *risc, struct scatterlist *sglist,
 524         unsigned int top_offset, unsigned int bottom_offset,
 525         unsigned int bpl, unsigned int padding, unsigned int lines);
 526
 527 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 528
 529 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 530                                 struct cx23885_dmaqueue *q);
 531
 532 extern void cx23885_wakeup(struct cx23885_tsport *port,
 533                            struct cx23885_dmaqueue *q, u32 count);
 534
 535 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 536 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 537 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 538 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 539         int asoutput);
 540
 541 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 542 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 543 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 544 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 545
 546 /* ----------------------------------------------------------- */
 547 /* cx23885-cards.c                                             */
 548 extern struct cx23885_board cx23885_boards[];
 549 extern const unsigned int cx23885_bcount;
 550
 551 extern struct cx23885_subid cx23885_subids[];
 552 extern const unsigned int cx23885_idcount;
 553
 554 extern int cx23885_tuner_callback(void *priv, int component,
 555         int command, int arg);
 556 extern void cx23885_card_list(struct cx23885_dev *dev);
 557 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 558 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 559 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 560 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 561 extern void cx23885_card_setup(struct cx23885_dev *dev);
 562 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 563
 564 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 565 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 566
 567 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 568                                struct cx23885_tsport *port,
 569                                struct cx23885_buffer *buf,
 570                                enum v4l2_field field);
 571 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 572                               struct cx23885_buffer *buf);
 573 extern void cx23885_free_buffer(struct videobuf_queue *q,
 574                                 struct cx23885_buffer *buf);
 575
 576 /* ----------------------------------------------------------- */
 577 /* cx23885-video.c                                             */
 578 /* Video */
 579 extern int cx23885_video_register(struct cx23885_dev *dev);
 580 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 581 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 582 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 583         struct cx23885_dmaqueue *q, u32 count);
 584 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 585 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 586 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 587 int cx23885_set_frequency(struct file *file, void *priv, struct v4l2_frequency *f);
 588 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
 589 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
 590 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 591
 592 /* ----------------------------------------------------------- */
 593 /* cx23885-vbi.c                                               */
 594 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 595         struct v4l2_format *f);
 596 extern void cx23885_vbi_timeout(unsigned long data);
 597 extern struct videobuf_queue_ops cx23885_vbi_qops;
 598 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
 599         struct cx23885_dmaqueue *q);
 600 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 601
 602 /* cx23885-i2c.c                                                */
 603 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 604 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 605 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 606
 607 /* ----------------------------------------------------------- */
 608 /* cx23885-417.c                                               */
 609 extern int cx23885_417_register(struct cx23885_dev *dev);
 610 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 611 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 612 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 613 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 614 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 615 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 616 extern int mc417_register_read(struct cx23885_dev *dev,
 617                                 u16 address, u32 *value);
 618 extern int mc417_register_write(struct cx23885_dev *dev,
 619                                 u16 address, u32 value);
 620 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 621 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 622 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 623
 624 /* ----------------------------------------------------------- */
 625 /* cx23885-alsa.c                                             */
 626 extern struct cx23885_audio_dev *cx23885_audio_register(
 627                                         struct cx23885_dev *dev);
 628 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 629 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 630 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 631                                    struct btcx_riscmem *risc,
 632                                    struct scatterlist *sglist,
 633                                    unsigned int bpl,
 634                                    unsigned int lines,
 635                                    unsigned int lpi);
 636
 637 /* ----------------------------------------------------------- */
 638 /* tv norms                                                    */
 639
 640 static inline unsigned int norm_maxw(v4l2_std_id norm)
 641 {
 642         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 643 }
 644
 645 static inline unsigned int norm_maxh(v4l2_std_id norm)
 646 {
 647         return (norm & V4L2_STD_625_50) ? 576 : 480;
 648 }
 649
 650 static inline unsigned int norm_swidth(v4l2_std_id norm)
 651 {
 652         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 653 }