linux/drivers/media/pci/cx23885/cx23885.h
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   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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19
  20#include <linux/pci.h>
  21#include <linux/i2c.h>
  22#include <linux/kdev_t.h>
  23#include <linux/slab.h>
  24
  25#include <media/v4l2-device.h>
  26#include <media/v4l2-fh.h>
  27#include <media/v4l2-ctrls.h>
  28#include <media/tuner.h>
  29#include <media/tveeprom.h>
  30#include <media/videobuf2-dma-sg.h>
  31#include <media/videobuf2-dvb.h>
  32#include <media/rc-core.h>
  33
  34#include "cx23885-reg.h"
  35#include "media/drv-intf/cx2341x.h"
  36
  37#include <linux/mutex.h>
  38
  39#define CX23885_VERSION "0.0.4"
  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
  49#define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  50
  51#define CX23885_BOARD_NOAUTO               UNSET
  52#define CX23885_BOARD_UNKNOWN                  0
  53#define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  54#define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  55#define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  56#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  57#define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  58#define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  59#define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  60#define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  61#define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  62#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  63#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  64#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  65#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  66#define CX23885_BOARD_TBS_6920                 14
  67#define CX23885_BOARD_TEVII_S470               15
  68#define CX23885_BOARD_DVBWORLD_2005            16
  69#define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  70#define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  71#define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  72#define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  73#define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  74#define CX23885_BOARD_MYGICA_X8506             22
  75#define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  76#define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  77#define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  78#define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  79#define CX23885_BOARD_MYGICA_X8558PRO          27
  80#define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  81#define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  82#define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
  83#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
  84#define CX23885_BOARD_MPX885                   32
  85#define CX23885_BOARD_MYGICA_X8507             33
  86#define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
  87#define CX23885_BOARD_TEVII_S471               35
  88#define CX23885_BOARD_HAUPPAUGE_HVR1255_22111  36
  89#define CX23885_BOARD_PROF_8000                37
  90#define CX23885_BOARD_HAUPPAUGE_HVR4400        38
  91#define CX23885_BOARD_AVERMEDIA_HC81R          39
  92#define CX23885_BOARD_TBS_6981                 40
  93#define CX23885_BOARD_TBS_6980                 41
  94#define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
  95#define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE     43
  96#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
  97#define CX23885_BOARD_DVBSKY_T9580             45
  98#define CX23885_BOARD_DVBSKY_T980C             46
  99#define CX23885_BOARD_DVBSKY_S950C             47
 100#define CX23885_BOARD_TT_CT2_4500_CI           48
 101#define CX23885_BOARD_DVBSKY_S950              49
 102#define CX23885_BOARD_DVBSKY_S952              50
 103#define CX23885_BOARD_DVBSKY_T982              51
 104#define CX23885_BOARD_HAUPPAUGE_HVR5525        52
 105#define CX23885_BOARD_HAUPPAUGE_STARBURST      53
 106#define CX23885_BOARD_VIEWCAST_260E            54
 107#define CX23885_BOARD_VIEWCAST_460E            55
 108#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB     56
 109#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC    57
 110
 111#define GPIO_0 0x00000001
 112#define GPIO_1 0x00000002
 113#define GPIO_2 0x00000004
 114#define GPIO_3 0x00000008
 115#define GPIO_4 0x00000010
 116#define GPIO_5 0x00000020
 117#define GPIO_6 0x00000040
 118#define GPIO_7 0x00000080
 119#define GPIO_8 0x00000100
 120#define GPIO_9 0x00000200
 121#define GPIO_10 0x00000400
 122#define GPIO_11 0x00000800
 123#define GPIO_12 0x00001000
 124#define GPIO_13 0x00002000
 125#define GPIO_14 0x00004000
 126#define GPIO_15 0x00008000
 127
 128/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 129#define CX23885_NORMS (\
 130        V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 131        V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 132        V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 133        V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 134
 135struct cx23885_fmt {
 136        char  *name;
 137        u32   fourcc;          /* v4l2 format id */
 138        int   depth;
 139        int   flags;
 140        u32   cxformat;
 141};
 142
 143struct cx23885_tvnorm {
 144        char            *name;
 145        v4l2_std_id     id;
 146        u32             cxiformat;
 147        u32             cxoformat;
 148};
 149
 150enum cx23885_itype {
 151        CX23885_VMUX_COMPOSITE1 = 1,
 152        CX23885_VMUX_COMPOSITE2,
 153        CX23885_VMUX_COMPOSITE3,
 154        CX23885_VMUX_COMPOSITE4,
 155        CX23885_VMUX_SVIDEO,
 156        CX23885_VMUX_COMPONENT,
 157        CX23885_VMUX_TELEVISION,
 158        CX23885_VMUX_CABLE,
 159        CX23885_VMUX_DVB,
 160        CX23885_VMUX_DEBUG,
 161        CX23885_RADIO,
 162};
 163
 164enum cx23885_src_sel_type {
 165        CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 166        CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 167};
 168
 169struct cx23885_riscmem {
 170        unsigned int   size;
 171        __le32         *cpu;
 172        __le32         *jmp;
 173        dma_addr_t     dma;
 174};
 175
 176/* buffer for one video frame */
 177struct cx23885_buffer {
 178        /* common v4l buffer stuff -- must be first */
 179        struct vb2_v4l2_buffer vb;
 180        struct list_head queue;
 181
 182        /* cx23885 specific */
 183        unsigned int           bpl;
 184        struct cx23885_riscmem risc;
 185        struct cx23885_fmt     *fmt;
 186        u32                    count;
 187};
 188
 189struct cx23885_input {
 190        enum cx23885_itype type;
 191        unsigned int    vmux;
 192        unsigned int    amux;
 193        u32             gpio0, gpio1, gpio2, gpio3;
 194};
 195
 196typedef enum {
 197        CX23885_MPEG_UNDEFINED = 0,
 198        CX23885_MPEG_DVB,
 199        CX23885_ANALOG_VIDEO,
 200        CX23885_MPEG_ENCODER,
 201} port_t;
 202
 203struct cx23885_board {
 204        char                    *name;
 205        port_t                  porta, portb, portc;
 206        int             num_fds_portb, num_fds_portc;
 207        unsigned int            tuner_type;
 208        unsigned int            radio_type;
 209        unsigned char           tuner_addr;
 210        unsigned char           radio_addr;
 211        unsigned int            tuner_bus;
 212
 213        /* Vendors can and do run the PCIe bridge at different
 214         * clock rates, driven physically by crystals on the PCBs.
 215         * The core has to accommodate this. This allows the user
 216         * to add new boards with new frequencys. The value is
 217         * expressed in Hz.
 218         *
 219         * The core framework will default this value based on
 220         * current designs, but it can vary.
 221         */
 222        u32                     clk_freq;
 223        struct cx23885_input    input[MAX_CX23885_INPUT];
 224        int                     ci_type; /* for NetUP */
 225        /* Force bottom field first during DMA (888 workaround) */
 226        u32                     force_bff;
 227};
 228
 229struct cx23885_subid {
 230        u16     subvendor;
 231        u16     subdevice;
 232        u32     card;
 233};
 234
 235struct cx23885_i2c {
 236        struct cx23885_dev *dev;
 237
 238        int                        nr;
 239
 240        /* i2c i/o */
 241        struct i2c_adapter         i2c_adap;
 242        struct i2c_client          i2c_client;
 243        u32                        i2c_rc;
 244
 245        /* 885 registers used for raw addess */
 246        u32                        i2c_period;
 247        u32                        reg_ctrl;
 248        u32                        reg_stat;
 249        u32                        reg_addr;
 250        u32                        reg_rdata;
 251        u32                        reg_wdata;
 252};
 253
 254struct cx23885_dmaqueue {
 255        struct list_head       active;
 256        u32                    count;
 257};
 258
 259struct cx23885_tsport {
 260        struct cx23885_dev *dev;
 261
 262        unsigned                   nr;
 263        int                        sram_chno;
 264
 265        struct vb2_dvb_frontends   frontends;
 266
 267        /* dma queues */
 268        struct cx23885_dmaqueue    mpegq;
 269        u32                        ts_packet_size;
 270        u32                        ts_packet_count;
 271
 272        int                        width;
 273        int                        height;
 274
 275        spinlock_t                 slock;
 276
 277        /* registers */
 278        u32                        reg_gpcnt;
 279        u32                        reg_gpcnt_ctl;
 280        u32                        reg_dma_ctl;
 281        u32                        reg_lngth;
 282        u32                        reg_hw_sop_ctrl;
 283        u32                        reg_gen_ctrl;
 284        u32                        reg_bd_pkt_status;
 285        u32                        reg_sop_status;
 286        u32                        reg_fifo_ovfl_stat;
 287        u32                        reg_vld_misc;
 288        u32                        reg_ts_clk_en;
 289        u32                        reg_ts_int_msk;
 290        u32                        reg_ts_int_stat;
 291        u32                        reg_src_sel;
 292
 293        /* Default register vals */
 294        int                        pci_irqmask;
 295        u32                        dma_ctl_val;
 296        u32                        ts_int_msk_val;
 297        u32                        gen_ctrl_val;
 298        u32                        ts_clk_en_val;
 299        u32                        src_sel_val;
 300        u32                        vld_misc_val;
 301        u32                        hw_sop_ctrl_val;
 302
 303        /* Allow a single tsport to have multiple frontends */
 304        u32                        num_frontends;
 305        void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 306        void                       *port_priv;
 307
 308        /* Workaround for a temp dvb_frontend that the tuner can attached to */
 309        struct dvb_frontend analog_fe;
 310
 311        struct i2c_client *i2c_client_demod;
 312        struct i2c_client *i2c_client_tuner;
 313        struct i2c_client *i2c_client_sec;
 314        struct i2c_client *i2c_client_ci;
 315
 316        int (*set_frontend)(struct dvb_frontend *fe);
 317        int (*fe_set_voltage)(struct dvb_frontend *fe,
 318                              enum fe_sec_voltage voltage);
 319};
 320
 321struct cx23885_kernel_ir {
 322        struct cx23885_dev      *cx;
 323        char                    *name;
 324        char                    *phys;
 325
 326        struct rc_dev           *rc;
 327};
 328
 329struct cx23885_audio_buffer {
 330        unsigned int            bpl;
 331        struct cx23885_riscmem  risc;
 332        void                    *vaddr;
 333        struct scatterlist      *sglist;
 334        int                     sglen;
 335        int                     nr_pages;
 336};
 337
 338struct cx23885_audio_dev {
 339        struct cx23885_dev      *dev;
 340
 341        struct pci_dev          *pci;
 342
 343        struct snd_card         *card;
 344
 345        spinlock_t              lock;
 346
 347        atomic_t                count;
 348
 349        unsigned int            dma_size;
 350        unsigned int            period_size;
 351        unsigned int            num_periods;
 352
 353        struct cx23885_audio_buffer   *buf;
 354
 355        struct snd_pcm_substream *substream;
 356};
 357
 358struct cx23885_dev {
 359        atomic_t                   refcount;
 360        struct v4l2_device         v4l2_dev;
 361        struct v4l2_ctrl_handler   ctrl_handler;
 362
 363        /* pci stuff */
 364        struct pci_dev             *pci;
 365        unsigned char              pci_rev, pci_lat;
 366        int                        pci_bus, pci_slot;
 367        u32                        __iomem *lmmio;
 368        u8                         __iomem *bmmio;
 369        int                        pci_irqmask;
 370        spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 371        int                        hwrevision;
 372
 373        /* This valud is board specific and is used to configure the
 374         * AV core so we see nice clean and stable video and audio. */
 375        u32                        clk_freq;
 376
 377        /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 378        struct cx23885_i2c         i2c_bus[3];
 379
 380        int                        nr;
 381        struct mutex               lock;
 382        struct mutex               gpio_lock;
 383
 384        /* board details */
 385        unsigned int               board;
 386        char                       name[32];
 387
 388        struct cx23885_tsport      ts1, ts2;
 389
 390        /* sram configuration */
 391        struct sram_channel        *sram_channels;
 392
 393        enum {
 394                CX23885_BRIDGE_UNDEFINED = 0,
 395                CX23885_BRIDGE_885 = 885,
 396                CX23885_BRIDGE_887 = 887,
 397                CX23885_BRIDGE_888 = 888,
 398        } bridge;
 399
 400        /* Analog video */
 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        struct v4l2_subdev         *sd_cx25840;
 411        struct work_struct         cx25840_work;
 412
 413        /* Infrared */
 414        struct v4l2_subdev         *sd_ir;
 415        struct work_struct         ir_rx_work;
 416        unsigned long              ir_rx_notifications;
 417        struct work_struct         ir_tx_work;
 418        unsigned long              ir_tx_notifications;
 419
 420        struct cx23885_kernel_ir   *kernel_ir;
 421        atomic_t                   ir_input_stopping;
 422
 423        /* V4l */
 424        u32                        freq;
 425        struct video_device        *video_dev;
 426        struct video_device        *vbi_dev;
 427
 428        /* video capture */
 429        struct cx23885_fmt         *fmt;
 430        unsigned int               width, height;
 431        unsigned                   field;
 432
 433        struct cx23885_dmaqueue    vidq;
 434        struct vb2_queue           vb2_vidq;
 435        struct cx23885_dmaqueue    vbiq;
 436        struct vb2_queue           vb2_vbiq;
 437
 438        spinlock_t                 slock;
 439
 440        /* MPEG Encoder ONLY settings */
 441        u32                        cx23417_mailbox;
 442        struct cx2341x_handler     cxhdl;
 443        struct video_device        *v4l_device;
 444        struct vb2_queue           vb2_mpegq;
 445        struct cx23885_tvnorm      encodernorm;
 446
 447        /* Analog raw audio */
 448        struct cx23885_audio_dev   *audio_dev;
 449
 450};
 451
 452static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 453{
 454        return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 455}
 456
 457#define call_all(dev, o, f, args...) \
 458        v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 459
 460#define CX23885_HW_888_IR  (1 << 0)
 461#define CX23885_HW_AV_CORE (1 << 1)
 462
 463#define call_hw(dev, grpid, o, f, args...) \
 464        v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 465
 466extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 467
 468#define SRAM_CH01  0 /* Video A */
 469#define SRAM_CH02  1 /* VBI A */
 470#define SRAM_CH03  2 /* Video B */
 471#define SRAM_CH04  3 /* Transport via B */
 472#define SRAM_CH05  4 /* VBI B */
 473#define SRAM_CH06  5 /* Video C */
 474#define SRAM_CH07  6 /* Transport via C */
 475#define SRAM_CH08  7 /* Audio Internal A */
 476#define SRAM_CH09  8 /* Audio Internal B */
 477#define SRAM_CH10  9 /* Audio External */
 478#define SRAM_CH11 10 /* COMB_3D_N */
 479#define SRAM_CH12 11 /* Comb 3D N1 */
 480#define SRAM_CH13 12 /* Comb 3D N2 */
 481#define SRAM_CH14 13 /* MOE Vid */
 482#define SRAM_CH15 14 /* MOE RSLT */
 483
 484struct sram_channel {
 485        char *name;
 486        u32  cmds_start;
 487        u32  ctrl_start;
 488        u32  cdt;
 489        u32  fifo_start;
 490        u32  fifo_size;
 491        u32  ptr1_reg;
 492        u32  ptr2_reg;
 493        u32  cnt1_reg;
 494        u32  cnt2_reg;
 495        u32  jumponly;
 496};
 497
 498/* ----------------------------------------------------------- */
 499
 500#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 501#define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 502
 503#define cx_andor(reg, mask, value) \
 504  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 505  ((value) & (mask)), dev->lmmio+((reg)>>2))
 506
 507#define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 508#define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 509
 510/* ----------------------------------------------------------- */
 511/* cx23885-core.c                                              */
 512
 513extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 514        struct sram_channel *ch,
 515        unsigned int bpl, u32 risc);
 516
 517extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 518        struct sram_channel *ch);
 519
 520extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
 521        struct scatterlist *sglist,
 522        unsigned int top_offset, unsigned int bottom_offset,
 523        unsigned int bpl, unsigned int padding, unsigned int lines);
 524
 525extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 526        struct cx23885_riscmem *risc, struct scatterlist *sglist,
 527        unsigned int top_offset, unsigned int bottom_offset,
 528        unsigned int bpl, unsigned int padding, unsigned int lines);
 529
 530int cx23885_start_dma(struct cx23885_tsport *port,
 531                             struct cx23885_dmaqueue *q,
 532                             struct cx23885_buffer   *buf);
 533void cx23885_cancel_buffers(struct cx23885_tsport *port);
 534
 535
 536extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 537extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 538extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 539extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 540        int asoutput);
 541
 542extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 543extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 544extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 545extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 546
 547/* ----------------------------------------------------------- */
 548/* cx23885-cards.c                                             */
 549extern struct cx23885_board cx23885_boards[];
 550extern const unsigned int cx23885_bcount;
 551
 552extern struct cx23885_subid cx23885_subids[];
 553extern const unsigned int cx23885_idcount;
 554
 555extern int cx23885_tuner_callback(void *priv, int component,
 556        int command, int arg);
 557extern void cx23885_card_list(struct cx23885_dev *dev);
 558extern int  cx23885_ir_init(struct cx23885_dev *dev);
 559extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 560extern void cx23885_ir_fini(struct cx23885_dev *dev);
 561extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 562extern void cx23885_card_setup(struct cx23885_dev *dev);
 563extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 564
 565extern int cx23885_dvb_register(struct cx23885_tsport *port);
 566extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 567
 568extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
 569                               struct cx23885_tsport *port);
 570extern void cx23885_buf_queue(struct cx23885_tsport *port,
 571                              struct cx23885_buffer *buf);
 572extern void cx23885_free_buffer(struct cx23885_dev *dev,
 573                                struct cx23885_buffer *buf);
 574
 575/* ----------------------------------------------------------- */
 576/* cx23885-video.c                                             */
 577/* Video */
 578extern int cx23885_video_register(struct cx23885_dev *dev);
 579extern void cx23885_video_unregister(struct cx23885_dev *dev);
 580extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 581extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 582        struct cx23885_dmaqueue *q, u32 count);
 583int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 584int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 585int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 586int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
 587int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 588
 589/* ----------------------------------------------------------- */
 590/* cx23885-vbi.c                                               */
 591extern int cx23885_vbi_fmt(struct file *file, void *priv,
 592        struct v4l2_format *f);
 593extern void cx23885_vbi_timeout(unsigned long data);
 594extern const struct vb2_ops cx23885_vbi_qops;
 595extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 596
 597/* cx23885-i2c.c                                                */
 598extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 599extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 600extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 601
 602/* ----------------------------------------------------------- */
 603/* cx23885-417.c                                               */
 604extern int cx23885_417_register(struct cx23885_dev *dev);
 605extern void cx23885_417_unregister(struct cx23885_dev *dev);
 606extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 607extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 608extern void cx23885_mc417_init(struct cx23885_dev *dev);
 609extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 610extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 611extern int mc417_register_read(struct cx23885_dev *dev,
 612                                u16 address, u32 *value);
 613extern int mc417_register_write(struct cx23885_dev *dev,
 614                                u16 address, u32 value);
 615extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 616extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 617extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 618
 619/* ----------------------------------------------------------- */
 620/* cx23885-alsa.c                                             */
 621extern struct cx23885_audio_dev *cx23885_audio_register(
 622                                        struct cx23885_dev *dev);
 623extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 624extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 625extern int cx23885_risc_databuffer(struct pci_dev *pci,
 626                                   struct cx23885_riscmem *risc,
 627                                   struct scatterlist *sglist,
 628                                   unsigned int bpl,
 629                                   unsigned int lines,
 630                                   unsigned int lpi);
 631
 632/* ----------------------------------------------------------- */
 633/* tv norms                                                    */
 634
 635static inline unsigned int norm_maxh(v4l2_std_id norm)
 636{
 637        return (norm & V4L2_STD_525_60) ? 480 : 576;
 638}
 639