linux/drivers/media/pci/cx23885/cx23885.h
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   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  Driver for the Conexant CX23885 PCIe bridge
   4 *
   5 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
   6 */
   7
   8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
   9
  10#include <linux/pci.h>
  11#include <linux/i2c.h>
  12#include <linux/kdev_t.h>
  13#include <linux/slab.h>
  14
  15#include <media/v4l2-device.h>
  16#include <media/v4l2-fh.h>
  17#include <media/v4l2-ctrls.h>
  18#include <media/tuner.h>
  19#include <media/tveeprom.h>
  20#include <media/videobuf2-dma-sg.h>
  21#include <media/videobuf2-dvb.h>
  22#include <media/rc-core.h>
  23
  24#include "cx23885-reg.h"
  25#include "media/drv-intf/cx2341x.h"
  26
  27#include <linux/mutex.h>
  28
  29#define CX23885_VERSION "0.0.4"
  30
  31#define UNSET (-1U)
  32
  33#define CX23885_MAXBOARDS 8
  34
  35/* Max number of inputs by card */
  36#define MAX_CX23885_INPUT 8
  37#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  38
  39#define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  40
  41#define CX23885_BOARD_NOAUTO               UNSET
  42#define CX23885_BOARD_UNKNOWN                  0
  43#define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  44#define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  45#define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  46#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  47#define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  48#define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  49#define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  50#define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  51#define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  52#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  53#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  54#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  55#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  56#define CX23885_BOARD_TBS_6920                 14
  57#define CX23885_BOARD_TEVII_S470               15
  58#define CX23885_BOARD_DVBWORLD_2005            16
  59#define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  60#define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  61#define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  62#define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  63#define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  64#define CX23885_BOARD_MYGICA_X8506             22
  65#define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  66#define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  67#define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  68#define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  69#define CX23885_BOARD_MYGICA_X8558PRO          27
  70#define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  71#define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  72#define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
  73#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
  74#define CX23885_BOARD_MPX885                   32
  75#define CX23885_BOARD_MYGICA_X8507             33
  76#define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
  77#define CX23885_BOARD_TEVII_S471               35
  78#define CX23885_BOARD_HAUPPAUGE_HVR1255_22111  36
  79#define CX23885_BOARD_PROF_8000                37
  80#define CX23885_BOARD_HAUPPAUGE_HVR4400        38
  81#define CX23885_BOARD_AVERMEDIA_HC81R          39
  82#define CX23885_BOARD_TBS_6981                 40
  83#define CX23885_BOARD_TBS_6980                 41
  84#define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
  85#define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE     43
  86#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
  87#define CX23885_BOARD_DVBSKY_T9580             45
  88#define CX23885_BOARD_DVBSKY_T980C             46
  89#define CX23885_BOARD_DVBSKY_S950C             47
  90#define CX23885_BOARD_TT_CT2_4500_CI           48
  91#define CX23885_BOARD_DVBSKY_S950              49
  92#define CX23885_BOARD_DVBSKY_S952              50
  93#define CX23885_BOARD_DVBSKY_T982              51
  94#define CX23885_BOARD_HAUPPAUGE_HVR5525        52
  95#define CX23885_BOARD_HAUPPAUGE_STARBURST      53
  96#define CX23885_BOARD_VIEWCAST_260E            54
  97#define CX23885_BOARD_VIEWCAST_460E            55
  98#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB     56
  99#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC    57
 100#define CX23885_BOARD_HAUPPAUGE_HVR1265_K4     58
 101#define CX23885_BOARD_HAUPPAUGE_STARBURST2     59
 102#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB_885 60
 103#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC_885 61
 104#define CX23885_BOARD_AVERMEDIA_CE310B         62
 105
 106#define GPIO_0 0x00000001
 107#define GPIO_1 0x00000002
 108#define GPIO_2 0x00000004
 109#define GPIO_3 0x00000008
 110#define GPIO_4 0x00000010
 111#define GPIO_5 0x00000020
 112#define GPIO_6 0x00000040
 113#define GPIO_7 0x00000080
 114#define GPIO_8 0x00000100
 115#define GPIO_9 0x00000200
 116#define GPIO_10 0x00000400
 117#define GPIO_11 0x00000800
 118#define GPIO_12 0x00001000
 119#define GPIO_13 0x00002000
 120#define GPIO_14 0x00004000
 121#define GPIO_15 0x00008000
 122
 123/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 124#define CX23885_NORMS (\
 125        V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 126        V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 127        V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 128        V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 129
 130struct cx23885_fmt {
 131        u32   fourcc;          /* v4l2 format id */
 132        int   depth;
 133        int   flags;
 134        u32   cxformat;
 135};
 136
 137struct cx23885_tvnorm {
 138        char            *name;
 139        v4l2_std_id     id;
 140        u32             cxiformat;
 141        u32             cxoformat;
 142};
 143
 144enum 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
 158enum cx23885_src_sel_type {
 159        CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 160        CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 161};
 162
 163struct 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 */
 171struct 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
 183struct cx23885_input {
 184        enum cx23885_itype type;
 185        unsigned int    vmux;
 186        unsigned int    amux;
 187        u32             gpio0, gpio1, gpio2, gpio3;
 188};
 189
 190typedef enum {
 191        CX23885_MPEG_UNDEFINED = 0,
 192        CX23885_MPEG_DVB,
 193        CX23885_ANALOG_VIDEO,
 194        CX23885_MPEG_ENCODER,
 195} port_t;
 196
 197struct 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
 223struct cx23885_subid {
 224        u16     subvendor;
 225        u16     subdevice;
 226        u32     card;
 227};
 228
 229struct 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 address */
 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
 248struct cx23885_dmaqueue {
 249        struct list_head       active;
 250        u32                    count;
 251};
 252
 253struct cx23885_tsport {
 254        struct cx23885_dev *dev;
 255
 256        unsigned                   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
 315struct cx23885_kernel_ir {
 316        struct cx23885_dev      *cx;
 317        char                    *name;
 318        char                    *phys;
 319
 320        struct rc_dev           *rc;
 321};
 322
 323struct cx23885_audio_buffer {
 324        unsigned int            bpl;
 325        struct cx23885_riscmem  risc;
 326        void                    *vaddr;
 327        struct scatterlist      *sglist;
 328        int                     sglen;
 329        unsigned long           nr_pages;
 330};
 331
 332struct 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
 352struct 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
 432        spinlock_t                 slock;
 433
 434        /* MPEG Encoder ONLY settings */
 435        u32                        cx23417_mailbox;
 436        struct cx2341x_handler     cxhdl;
 437        struct video_device        *v4l_device;
 438        struct vb2_queue           vb2_mpegq;
 439        struct cx23885_tvnorm      encodernorm;
 440
 441        /* Analog raw audio */
 442        struct cx23885_audio_dev   *audio_dev;
 443
 444        /* Does the system require periodic DMA resets? */
 445        unsigned int            need_dma_reset:1;
 446};
 447
 448static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 449{
 450        return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 451}
 452
 453#define call_all(dev, o, f, args...) \
 454        v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 455
 456#define CX23885_HW_888_IR  (1 << 0)
 457#define CX23885_HW_AV_CORE (1 << 1)
 458
 459#define call_hw(dev, grpid, o, f, args...) \
 460        v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 461
 462extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 463
 464#define SRAM_CH01  0 /* Video A */
 465#define SRAM_CH02  1 /* VBI A */
 466#define SRAM_CH03  2 /* Video B */
 467#define SRAM_CH04  3 /* Transport via B */
 468#define SRAM_CH05  4 /* VBI B */
 469#define SRAM_CH06  5 /* Video C */
 470#define SRAM_CH07  6 /* Transport via C */
 471#define SRAM_CH08  7 /* Audio Internal A */
 472#define SRAM_CH09  8 /* Audio Internal B */
 473#define SRAM_CH10  9 /* Audio External */
 474#define SRAM_CH11 10 /* COMB_3D_N */
 475#define SRAM_CH12 11 /* Comb 3D N1 */
 476#define SRAM_CH13 12 /* Comb 3D N2 */
 477#define SRAM_CH14 13 /* MOE Vid */
 478#define SRAM_CH15 14 /* MOE RSLT */
 479
 480struct sram_channel {
 481        char *name;
 482        u32  cmds_start;
 483        u32  ctrl_start;
 484        u32  cdt;
 485        u32  fifo_start;
 486        u32  fifo_size;
 487        u32  ptr1_reg;
 488        u32  ptr2_reg;
 489        u32  cnt1_reg;
 490        u32  cnt2_reg;
 491        u32  jumponly;
 492};
 493
 494/* ----------------------------------------------------------- */
 495
 496#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 497#define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 498
 499#define cx_andor(reg, mask, value) \
 500  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 501  ((value) & (mask)), dev->lmmio+((reg)>>2))
 502
 503#define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 504#define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 505
 506/* ----------------------------------------------------------- */
 507/* cx23885-core.c                                              */
 508
 509extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 510        struct sram_channel *ch,
 511        unsigned int bpl, u32 risc);
 512
 513extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 514        struct sram_channel *ch);
 515
 516extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
 517        struct scatterlist *sglist,
 518        unsigned int top_offset, unsigned int bottom_offset,
 519        unsigned int bpl, unsigned int padding, unsigned int lines);
 520
 521extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 522        struct cx23885_riscmem *risc, struct scatterlist *sglist,
 523        unsigned int top_offset, unsigned int bottom_offset,
 524        unsigned int bpl, unsigned int padding, unsigned int lines);
 525
 526int cx23885_start_dma(struct cx23885_tsport *port,
 527                             struct cx23885_dmaqueue *q,
 528                             struct cx23885_buffer   *buf);
 529void cx23885_cancel_buffers(struct cx23885_tsport *port);
 530
 531
 532extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 533extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 534extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 535extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 536        int asoutput);
 537
 538extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 539extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 540extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 541extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 542
 543/* ----------------------------------------------------------- */
 544/* cx23885-cards.c                                             */
 545extern struct cx23885_board cx23885_boards[];
 546extern const unsigned int cx23885_bcount;
 547
 548extern struct cx23885_subid cx23885_subids[];
 549extern const unsigned int cx23885_idcount;
 550
 551extern int cx23885_tuner_callback(void *priv, int component,
 552        int command, int arg);
 553extern void cx23885_card_list(struct cx23885_dev *dev);
 554extern int  cx23885_ir_init(struct cx23885_dev *dev);
 555extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 556extern void cx23885_ir_fini(struct cx23885_dev *dev);
 557extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 558extern void cx23885_card_setup(struct cx23885_dev *dev);
 559extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 560
 561extern int cx23885_dvb_register(struct cx23885_tsport *port);
 562extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 563
 564extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
 565                               struct cx23885_tsport *port);
 566extern void cx23885_buf_queue(struct cx23885_tsport *port,
 567                              struct cx23885_buffer *buf);
 568extern void cx23885_free_buffer(struct cx23885_dev *dev,
 569                                struct cx23885_buffer *buf);
 570
 571/* ----------------------------------------------------------- */
 572/* cx23885-video.c                                             */
 573/* Video */
 574extern int cx23885_video_register(struct cx23885_dev *dev);
 575extern void cx23885_video_unregister(struct cx23885_dev *dev);
 576extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 577extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 578        struct cx23885_dmaqueue *q, u32 count);
 579int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 580int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 581int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 582int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
 583int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 584
 585/* ----------------------------------------------------------- */
 586/* cx23885-vbi.c                                               */
 587extern int cx23885_vbi_fmt(struct file *file, void *priv,
 588        struct v4l2_format *f);
 589extern void cx23885_vbi_timeout(unsigned long data);
 590extern const struct vb2_ops cx23885_vbi_qops;
 591extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 592
 593/* cx23885-i2c.c                                                */
 594extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 595extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 596extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 597
 598/* ----------------------------------------------------------- */
 599/* cx23885-417.c                                               */
 600extern int cx23885_417_register(struct cx23885_dev *dev);
 601extern void cx23885_417_unregister(struct cx23885_dev *dev);
 602extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 603extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 604extern void cx23885_mc417_init(struct cx23885_dev *dev);
 605extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 606extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 607extern int mc417_register_read(struct cx23885_dev *dev,
 608                                u16 address, u32 *value);
 609extern int mc417_register_write(struct cx23885_dev *dev,
 610                                u16 address, u32 value);
 611extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 612extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 613extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 614
 615/* ----------------------------------------------------------- */
 616/* cx23885-alsa.c                                             */
 617extern struct cx23885_audio_dev *cx23885_audio_register(
 618                                        struct cx23885_dev *dev);
 619extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 620extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 621extern int cx23885_risc_databuffer(struct pci_dev *pci,
 622                                   struct cx23885_riscmem *risc,
 623                                   struct scatterlist *sglist,
 624                                   unsigned int bpl,
 625                                   unsigned int lines,
 626                                   unsigned int lpi);
 627
 628/* ----------------------------------------------------------- */
 629/* tv norms                                                    */
 630
 631static inline unsigned int norm_maxh(v4l2_std_id norm)
 632{
 633        return (norm & V4L2_STD_525_60) ? 480 : 576;
 634}
 635