drivers/media/pci/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
  18 #include <linux/pci.h>
  19 #include <linux/i2c.h>
  20 #include <linux/kdev_t.h>
  21 #include <linux/slab.h>
  22
  23 #include <media/v4l2-device.h>
  24 #include <media/v4l2-fh.h>
  25 #include <media/v4l2-ctrls.h>
  26 #include <media/tuner.h>
  27 #include <media/tveeprom.h>
  28 #include <media/videobuf2-dma-sg.h>
  29 #include <media/videobuf2-dvb.h>
  30 #include <media/rc-core.h>
  31
  32 #include "cx23885-reg.h"
  33 #include "media/cx2341x.h"
  34
  35 #include <linux/mutex.h>
  36
  37 #define CX23885_VERSION "0.0.4"
  38
  39 #define UNSET (-1U)
  40
  41 #define CX23885_MAXBOARDS 8
  42
  43 /* Max number of inputs by card */
  44 #define MAX_CX23885_INPUT 8
  45 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  46
  47 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  48
  49 #define CX23885_BOARD_NOAUTO               UNSET
  50 #define CX23885_BOARD_UNKNOWN                  0
  51 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  52 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  53 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  54 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  55 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  56 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  57 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  58 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  59 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  60 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  61 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  62 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  63 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  64 #define CX23885_BOARD_TBS_6920                 14
  65 #define CX23885_BOARD_TEVII_S470               15
  66 #define CX23885_BOARD_DVBWORLD_2005            16
  67 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  68 #define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  69 #define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  70 #define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  71 #define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  72 #define CX23885_BOARD_MYGICA_X8506             22
  73 #define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  74 #define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  75 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  76 #define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  77 #define CX23885_BOARD_MYGICA_X8558PRO          27
  78 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  79 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  80 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
  81 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
  82 #define CX23885_BOARD_MPX885                   32
  83 #define CX23885_BOARD_MYGICA_X8507             33
  84 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
  85 #define CX23885_BOARD_TEVII_S471               35
  86 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111  36
  87 #define CX23885_BOARD_PROF_8000                37
  88 #define CX23885_BOARD_HAUPPAUGE_HVR4400        38
  89 #define CX23885_BOARD_AVERMEDIA_HC81R          39
  90 #define CX23885_BOARD_TBS_6981                 40
  91 #define CX23885_BOARD_TBS_6980                 41
  92 #define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
  93 #define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE     43
  94 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
  95 #define CX23885_BOARD_DVBSKY_T9580             45
  96 #define CX23885_BOARD_DVBSKY_T980C             46
  97 #define CX23885_BOARD_DVBSKY_S950C             47
  98 #define CX23885_BOARD_TT_CT2_4500_CI           48
  99 #define CX23885_BOARD_DVBSKY_S950              49
 100 #define CX23885_BOARD_DVBSKY_S952              50
 101 #define CX23885_BOARD_DVBSKY_T982              51
 102 #define CX23885_BOARD_HAUPPAUGE_HVR5525        52
 103 #define CX23885_BOARD_HAUPPAUGE_STARBURST      53
 104
 105 #define GPIO_0 0x00000001
 106 #define GPIO_1 0x00000002
 107 #define GPIO_2 0x00000004
 108 #define GPIO_3 0x00000008
 109 #define GPIO_4 0x00000010
 110 #define GPIO_5 0x00000020
 111 #define GPIO_6 0x00000040
 112 #define GPIO_7 0x00000080
 113 #define GPIO_8 0x00000100
 114 #define GPIO_9 0x00000200
 115 #define GPIO_10 0x00000400
 116 #define GPIO_11 0x00000800
 117 #define GPIO_12 0x00001000
 118 #define GPIO_13 0x00002000
 119 #define GPIO_14 0x00004000
 120 #define GPIO_15 0x00008000
 121
 122 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 123 #define CX23885_NORMS (\
 124         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 125         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 126         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 127         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 128
 129 struct cx23885_fmt {
 130         char  *name;
 131         u32   fourcc;          /* v4l2 format id */
 132         int   depth;
 133         int   flags;
 134         u32   cxformat;
 135 };
 136
 137 struct cx23885_tvnorm {
 138         char            *name;
 139         v4l2_std_id     id;
 140         u32             cxiformat;
 141         u32             cxoformat;
 142 };
 143
 144 enum cx23885_itype {
 145         CX23885_VMUX_COMPOSITE1 = 1,
 146         CX23885_VMUX_COMPOSITE2,
 147         CX23885_VMUX_COMPOSITE3,
 148         CX23885_VMUX_COMPOSITE4,
 149         CX23885_VMUX_SVIDEO,
 150         CX23885_VMUX_COMPONENT,
 151         CX23885_VMUX_TELEVISION,
 152         CX23885_VMUX_CABLE,
 153         CX23885_VMUX_DVB,
 154         CX23885_VMUX_DEBUG,
 155         CX23885_RADIO,
 156 };
 157
 158 enum cx23885_src_sel_type {
 159         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 160         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 161 };
 162
 163 struct cx23885_riscmem {
 164         unsigned int   size;
 165         __le32         *cpu;
 166         __le32         *jmp;
 167         dma_addr_t     dma;
 168 };
 169
 170 /* buffer for one video frame */
 171 struct cx23885_buffer {
 172         /* common v4l buffer stuff -- must be first */
 173         struct vb2_v4l2_buffer vb;
 174         struct list_head queue;
 175
 176         /* cx23885 specific */
 177         unsigned int           bpl;
 178         struct cx23885_riscmem risc;
 179         struct cx23885_fmt     *fmt;
 180         u32                    count;
 181 };
 182
 183 struct cx23885_input {
 184         enum cx23885_itype type;
 185         unsigned int    vmux;
 186         unsigned int    amux;
 187         u32             gpio0, gpio1, gpio2, gpio3;
 188 };
 189
 190 typedef enum {
 191         CX23885_MPEG_UNDEFINED = 0,
 192         CX23885_MPEG_DVB,
 193         CX23885_ANALOG_VIDEO,
 194         CX23885_MPEG_ENCODER,
 195 } port_t;
 196
 197 struct cx23885_board {
 198         char                    *name;
 199         port_t                  porta, portb, portc;
 200         int             num_fds_portb, num_fds_portc;
 201         unsigned int            tuner_type;
 202         unsigned int            radio_type;
 203         unsigned char           tuner_addr;
 204         unsigned char           radio_addr;
 205         unsigned int            tuner_bus;
 206
 207         /* Vendors can and do run the PCIe bridge at different
 208          * clock rates, driven physically by crystals on the PCBs.
 209          * The core has to accommodate this. This allows the user
 210          * to add new boards with new frequencys. The value is
 211          * expressed in Hz.
 212          *
 213          * The core framework will default this value based on
 214          * current designs, but it can vary.
 215          */
 216         u32                     clk_freq;
 217         struct cx23885_input    input[MAX_CX23885_INPUT];
 218         int                     ci_type; /* for NetUP */
 219         /* Force bottom field first during DMA (888 workaround) */
 220         u32                     force_bff;
 221 };
 222
 223 struct cx23885_subid {
 224         u16     subvendor;
 225         u16     subdevice;
 226         u32     card;
 227 };
 228
 229 struct cx23885_i2c {
 230         struct cx23885_dev *dev;
 231
 232         int                        nr;
 233
 234         /* i2c i/o */
 235         struct i2c_adapter         i2c_adap;
 236         struct i2c_client          i2c_client;
 237         u32                        i2c_rc;
 238
 239         /* 885 registers used for raw addess */
 240         u32                        i2c_period;
 241         u32                        reg_ctrl;
 242         u32                        reg_stat;
 243         u32                        reg_addr;
 244         u32                        reg_rdata;
 245         u32                        reg_wdata;
 246 };
 247
 248 struct cx23885_dmaqueue {
 249         struct list_head       active;
 250         u32                    count;
 251 };
 252
 253 struct cx23885_tsport {
 254         struct cx23885_dev *dev;
 255
 256         int                        nr;
 257         int                        sram_chno;
 258
 259         struct vb2_dvb_frontends   frontends;
 260
 261         /* dma queues */
 262         struct cx23885_dmaqueue    mpegq;
 263         u32                        ts_packet_size;
 264         u32                        ts_packet_count;
 265
 266         int                        width;
 267         int                        height;
 268
 269         spinlock_t                 slock;
 270
 271         /* registers */
 272         u32                        reg_gpcnt;
 273         u32                        reg_gpcnt_ctl;
 274         u32                        reg_dma_ctl;
 275         u32                        reg_lngth;
 276         u32                        reg_hw_sop_ctrl;
 277         u32                        reg_gen_ctrl;
 278         u32                        reg_bd_pkt_status;
 279         u32                        reg_sop_status;
 280         u32                        reg_fifo_ovfl_stat;
 281         u32                        reg_vld_misc;
 282         u32                        reg_ts_clk_en;
 283         u32                        reg_ts_int_msk;
 284         u32                        reg_ts_int_stat;
 285         u32                        reg_src_sel;
 286
 287         /* Default register vals */
 288         int                        pci_irqmask;
 289         u32                        dma_ctl_val;
 290         u32                        ts_int_msk_val;
 291         u32                        gen_ctrl_val;
 292         u32                        ts_clk_en_val;
 293         u32                        src_sel_val;
 294         u32                        vld_misc_val;
 295         u32                        hw_sop_ctrl_val;
 296
 297         /* Allow a single tsport to have multiple frontends */
 298         u32                        num_frontends;
 299         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 300         void                       *port_priv;
 301
 302         /* Workaround for a temp dvb_frontend that the tuner can attached to */
 303         struct dvb_frontend analog_fe;
 304
 305         struct i2c_client *i2c_client_demod;
 306         struct i2c_client *i2c_client_tuner;
 307         struct i2c_client *i2c_client_sec;
 308         struct i2c_client *i2c_client_ci;
 309
 310         int (*set_frontend)(struct dvb_frontend *fe);
 311         int (*fe_set_voltage)(struct dvb_frontend *fe,
 312                               enum fe_sec_voltage voltage);
 313 };
 314
 315 struct cx23885_kernel_ir {
 316         struct cx23885_dev      *cx;
 317         char                    *name;
 318         char                    *phys;
 319
 320         struct rc_dev           *rc;
 321 };
 322
 323 struct cx23885_audio_buffer {
 324         unsigned int            bpl;
 325         struct cx23885_riscmem  risc;
 326         void                    *vaddr;
 327         struct scatterlist      *sglist;
 328         int                     sglen;
 329         int                     nr_pages;
 330 };
 331
 332 struct cx23885_audio_dev {
 333         struct cx23885_dev      *dev;
 334
 335         struct pci_dev          *pci;
 336
 337         struct snd_card         *card;
 338
 339         spinlock_t              lock;
 340
 341         atomic_t                count;
 342
 343         unsigned int            dma_size;
 344         unsigned int            period_size;
 345         unsigned int            num_periods;
 346
 347         struct cx23885_audio_buffer   *buf;
 348
 349         struct snd_pcm_substream *substream;
 350 };
 351
 352 struct cx23885_dev {
 353         atomic_t                   refcount;
 354         struct v4l2_device         v4l2_dev;
 355         struct v4l2_ctrl_handler   ctrl_handler;
 356
 357         /* pci stuff */
 358         struct pci_dev             *pci;
 359         unsigned char              pci_rev, pci_lat;
 360         int                        pci_bus, pci_slot;
 361         u32                        __iomem *lmmio;
 362         u8                         __iomem *bmmio;
 363         int                        pci_irqmask;
 364         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 365         int                        hwrevision;
 366
 367         /* This valud is board specific and is used to configure the
 368          * AV core so we see nice clean and stable video and audio. */
 369         u32                        clk_freq;
 370
 371         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 372         struct cx23885_i2c         i2c_bus[3];
 373
 374         int                        nr;
 375         struct mutex               lock;
 376         struct mutex               gpio_lock;
 377
 378         /* board details */
 379         unsigned int               board;
 380         char                       name[32];
 381
 382         struct cx23885_tsport      ts1, ts2;
 383
 384         /* sram configuration */
 385         struct sram_channel        *sram_channels;
 386
 387         enum {
 388                 CX23885_BRIDGE_UNDEFINED = 0,
 389                 CX23885_BRIDGE_885 = 885,
 390                 CX23885_BRIDGE_887 = 887,
 391                 CX23885_BRIDGE_888 = 888,
 392         } bridge;
 393
 394         /* Analog video */
 395         unsigned int               input;
 396         unsigned int               audinput; /* Selectable audio input */
 397         u32                        tvaudio;
 398         v4l2_std_id                tvnorm;
 399         unsigned int               tuner_type;
 400         unsigned char              tuner_addr;
 401         unsigned int               tuner_bus;
 402         unsigned int               radio_type;
 403         unsigned char              radio_addr;
 404         struct v4l2_subdev         *sd_cx25840;
 405         struct work_struct         cx25840_work;
 406
 407         /* Infrared */
 408         struct v4l2_subdev         *sd_ir;
 409         struct work_struct         ir_rx_work;
 410         unsigned long              ir_rx_notifications;
 411         struct work_struct         ir_tx_work;
 412         unsigned long              ir_tx_notifications;
 413
 414         struct cx23885_kernel_ir   *kernel_ir;
 415         atomic_t                   ir_input_stopping;
 416
 417         /* V4l */
 418         u32                        freq;
 419         struct video_device        *video_dev;
 420         struct video_device        *vbi_dev;
 421
 422         /* video capture */
 423         struct cx23885_fmt         *fmt;
 424         unsigned int               width, height;
 425         unsigned                   field;
 426
 427         struct cx23885_dmaqueue    vidq;
 428         struct vb2_queue           vb2_vidq;
 429         struct cx23885_dmaqueue    vbiq;
 430         struct vb2_queue           vb2_vbiq;
 431         void                       *alloc_ctx;
 432
 433         spinlock_t                 slock;
 434
 435         /* MPEG Encoder ONLY settings */
 436         u32                        cx23417_mailbox;
 437         struct cx2341x_handler     cxhdl;
 438         struct video_device        *v4l_device;
 439         struct vb2_queue           vb2_mpegq;
 440         struct cx23885_tvnorm      encodernorm;
 441
 442         /* Analog raw audio */
 443         struct cx23885_audio_dev   *audio_dev;
 444
 445 };
 446
 447 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 448 {
 449         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 450 }
 451
 452 #define call_all(dev, o, f, args...) \
 453         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 454
 455 #define CX23885_HW_888_IR  (1 << 0)
 456 #define CX23885_HW_AV_CORE (1 << 1)
 457
 458 #define call_hw(dev, grpid, o, f, args...) \
 459         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 460
 461 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 462
 463 #define SRAM_CH01  0 /* Video A */
 464 #define SRAM_CH02  1 /* VBI A */
 465 #define SRAM_CH03  2 /* Video B */
 466 #define SRAM_CH04  3 /* Transport via B */
 467 #define SRAM_CH05  4 /* VBI B */
 468 #define SRAM_CH06  5 /* Video C */
 469 #define SRAM_CH07  6 /* Transport via C */
 470 #define SRAM_CH08  7 /* Audio Internal A */
 471 #define SRAM_CH09  8 /* Audio Internal B */
 472 #define SRAM_CH10  9 /* Audio External */
 473 #define SRAM_CH11 10 /* COMB_3D_N */
 474 #define SRAM_CH12 11 /* Comb 3D N1 */
 475 #define SRAM_CH13 12 /* Comb 3D N2 */
 476 #define SRAM_CH14 13 /* MOE Vid */
 477 #define SRAM_CH15 14 /* MOE RSLT */
 478
 479 struct sram_channel {
 480         char *name;
 481         u32  cmds_start;
 482         u32  ctrl_start;
 483         u32  cdt;
 484         u32  fifo_start;
 485         u32  fifo_size;
 486         u32  ptr1_reg;
 487         u32  ptr2_reg;
 488         u32  cnt1_reg;
 489         u32  cnt2_reg;
 490         u32  jumponly;
 491 };
 492
 493 /* ----------------------------------------------------------- */
 494
 495 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 496 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 497
 498 #define cx_andor(reg, mask, value) \
 499   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 500   ((value) & (mask)), dev->lmmio+((reg)>>2))
 501
 502 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 503 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 504
 505 /* ----------------------------------------------------------- */
 506 /* cx23885-core.c                                              */
 507
 508 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 509         struct sram_channel *ch,
 510         unsigned int bpl, u32 risc);
 511
 512 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 513         struct sram_channel *ch);
 514
 515 extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
 516         struct scatterlist *sglist,
 517         unsigned int top_offset, unsigned int bottom_offset,
 518         unsigned int bpl, unsigned int padding, unsigned int lines);
 519
 520 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 521         struct cx23885_riscmem *risc, struct scatterlist *sglist,
 522         unsigned int top_offset, unsigned int bottom_offset,
 523         unsigned int bpl, unsigned int padding, unsigned int lines);
 524
 525 int cx23885_start_dma(struct cx23885_tsport *port,
 526                              struct cx23885_dmaqueue *q,
 527                              struct cx23885_buffer   *buf);
 528 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 529
 530
 531 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 532 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 533 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 534 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 535         int asoutput);
 536
 537 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 538 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 539 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 540 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 541
 542 /* ----------------------------------------------------------- */
 543 /* cx23885-cards.c                                             */
 544 extern struct cx23885_board cx23885_boards[];
 545 extern const unsigned int cx23885_bcount;
 546
 547 extern struct cx23885_subid cx23885_subids[];
 548 extern const unsigned int cx23885_idcount;
 549
 550 extern int cx23885_tuner_callback(void *priv, int component,
 551         int command, int arg);
 552 extern void cx23885_card_list(struct cx23885_dev *dev);
 553 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 554 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 555 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 556 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 557 extern void cx23885_card_setup(struct cx23885_dev *dev);
 558 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 559
 560 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 561 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 562
 563 extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
 564                                struct cx23885_tsport *port);
 565 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 566                               struct cx23885_buffer *buf);
 567 extern void cx23885_free_buffer(struct cx23885_dev *dev,
 568                                 struct cx23885_buffer *buf);
 569
 570 /* ----------------------------------------------------------- */
 571 /* cx23885-video.c                                             */
 572 /* Video */
 573 extern int cx23885_video_register(struct cx23885_dev *dev);
 574 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 575 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 576 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 577         struct cx23885_dmaqueue *q, u32 count);
 578 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 579 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 580 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 581 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
 582 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 583
 584 /* ----------------------------------------------------------- */
 585 /* cx23885-vbi.c                                               */
 586 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 587         struct v4l2_format *f);
 588 extern void cx23885_vbi_timeout(unsigned long data);
 589 extern struct vb2_ops cx23885_vbi_qops;
 590 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 591
 592 /* cx23885-i2c.c                                                */
 593 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 594 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 595 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 596
 597 /* ----------------------------------------------------------- */
 598 /* cx23885-417.c                                               */
 599 extern int cx23885_417_register(struct cx23885_dev *dev);
 600 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 601 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 602 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 603 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 604 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 605 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 606 extern int mc417_register_read(struct cx23885_dev *dev,
 607                                 u16 address, u32 *value);
 608 extern int mc417_register_write(struct cx23885_dev *dev,
 609                                 u16 address, u32 value);
 610 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 611 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 612 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 613
 614 /* ----------------------------------------------------------- */
 615 /* cx23885-alsa.c                                             */
 616 extern struct cx23885_audio_dev *cx23885_audio_register(
 617                                         struct cx23885_dev *dev);
 618 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 619 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 620 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 621                                    struct cx23885_riscmem *risc,
 622                                    struct scatterlist *sglist,
 623                                    unsigned int bpl,
 624                                    unsigned int lines,
 625                                    unsigned int lpi);
 626
 627 /* ----------------------------------------------------------- */
 628 /* tv norms                                                    */
 629
 630 static inline unsigned int norm_maxw(v4l2_std_id norm)
 631 {
 632         return (norm & V4L2_STD_525_60) ? 720 : 768;
 633 }
 634
 635 static inline unsigned int norm_maxh(v4l2_std_id norm)
 636 {
 637         return (norm & V4L2_STD_525_60) ? 480 : 576;
 638 }