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/drv-intf/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 #define CX23885_BOARD_VIEWCAST_260E            54
 105 #define CX23885_BOARD_VIEWCAST_460E            55
 106 #define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB     56
 107 #define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC    57
 108
 109 #define GPIO_0 0x00000001
 110 #define GPIO_1 0x00000002
 111 #define GPIO_2 0x00000004
 112 #define GPIO_3 0x00000008
 113 #define GPIO_4 0x00000010
 114 #define GPIO_5 0x00000020
 115 #define GPIO_6 0x00000040
 116 #define GPIO_7 0x00000080
 117 #define GPIO_8 0x00000100
 118 #define GPIO_9 0x00000200
 119 #define GPIO_10 0x00000400
 120 #define GPIO_11 0x00000800
 121 #define GPIO_12 0x00001000
 122 #define GPIO_13 0x00002000
 123 #define GPIO_14 0x00004000
 124 #define GPIO_15 0x00008000
 125
 126 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 127 #define CX23885_NORMS (\
 128         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 129         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 130         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 131         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 132
 133 struct cx23885_fmt {
 134         char  *name;
 135         u32   fourcc;          /* v4l2 format id */
 136         int   depth;
 137         int   flags;
 138         u32   cxformat;
 139 };
 140
 141 struct cx23885_tvnorm {
 142         char            *name;
 143         v4l2_std_id     id;
 144         u32             cxiformat;
 145         u32             cxoformat;
 146 };
 147
 148 enum cx23885_itype {
 149         CX23885_VMUX_COMPOSITE1 = 1,
 150         CX23885_VMUX_COMPOSITE2,
 151         CX23885_VMUX_COMPOSITE3,
 152         CX23885_VMUX_COMPOSITE4,
 153         CX23885_VMUX_SVIDEO,
 154         CX23885_VMUX_COMPONENT,
 155         CX23885_VMUX_TELEVISION,
 156         CX23885_VMUX_CABLE,
 157         CX23885_VMUX_DVB,
 158         CX23885_VMUX_DEBUG,
 159         CX23885_RADIO,
 160 };
 161
 162 enum cx23885_src_sel_type {
 163         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 164         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 165 };
 166
 167 struct cx23885_riscmem {
 168         unsigned int   size;
 169         __le32         *cpu;
 170         __le32         *jmp;
 171         dma_addr_t     dma;
 172 };
 173
 174 /* buffer for one video frame */
 175 struct cx23885_buffer {
 176         /* common v4l buffer stuff -- must be first */
 177         struct vb2_v4l2_buffer vb;
 178         struct list_head queue;
 179
 180         /* cx23885 specific */
 181         unsigned int           bpl;
 182         struct cx23885_riscmem risc;
 183         struct cx23885_fmt     *fmt;
 184         u32                    count;
 185 };
 186
 187 struct cx23885_input {
 188         enum cx23885_itype type;
 189         unsigned int    vmux;
 190         unsigned int    amux;
 191         u32             gpio0, gpio1, gpio2, gpio3;
 192 };
 193
 194 typedef enum {
 195         CX23885_MPEG_UNDEFINED = 0,
 196         CX23885_MPEG_DVB,
 197         CX23885_ANALOG_VIDEO,
 198         CX23885_MPEG_ENCODER,
 199 } port_t;
 200
 201 struct cx23885_board {
 202         char                    *name;
 203         port_t                  porta, portb, portc;
 204         int             num_fds_portb, num_fds_portc;
 205         unsigned int            tuner_type;
 206         unsigned int            radio_type;
 207         unsigned char           tuner_addr;
 208         unsigned char           radio_addr;
 209         unsigned int            tuner_bus;
 210
 211         /* Vendors can and do run the PCIe bridge at different
 212          * clock rates, driven physically by crystals on the PCBs.
 213          * The core has to accommodate this. This allows the user
 214          * to add new boards with new frequencys. The value is
 215          * expressed in Hz.
 216          *
 217          * The core framework will default this value based on
 218          * current designs, but it can vary.
 219          */
 220         u32                     clk_freq;
 221         struct cx23885_input    input[MAX_CX23885_INPUT];
 222         int                     ci_type; /* for NetUP */
 223         /* Force bottom field first during DMA (888 workaround) */
 224         u32                     force_bff;
 225 };
 226
 227 struct cx23885_subid {
 228         u16     subvendor;
 229         u16     subdevice;
 230         u32     card;
 231 };
 232
 233 struct cx23885_i2c {
 234         struct cx23885_dev *dev;
 235
 236         int                        nr;
 237
 238         /* i2c i/o */
 239         struct i2c_adapter         i2c_adap;
 240         struct i2c_client          i2c_client;
 241         u32                        i2c_rc;
 242
 243         /* 885 registers used for raw addess */
 244         u32                        i2c_period;
 245         u32                        reg_ctrl;
 246         u32                        reg_stat;
 247         u32                        reg_addr;
 248         u32                        reg_rdata;
 249         u32                        reg_wdata;
 250 };
 251
 252 struct cx23885_dmaqueue {
 253         struct list_head       active;
 254         u32                    count;
 255 };
 256
 257 struct cx23885_tsport {
 258         struct cx23885_dev *dev;
 259
 260         int                        nr;
 261         int                        sram_chno;
 262
 263         struct vb2_dvb_frontends   frontends;
 264
 265         /* dma queues */
 266         struct cx23885_dmaqueue    mpegq;
 267         u32                        ts_packet_size;
 268         u32                        ts_packet_count;
 269
 270         int                        width;
 271         int                        height;
 272
 273         spinlock_t                 slock;
 274
 275         /* registers */
 276         u32                        reg_gpcnt;
 277         u32                        reg_gpcnt_ctl;
 278         u32                        reg_dma_ctl;
 279         u32                        reg_lngth;
 280         u32                        reg_hw_sop_ctrl;
 281         u32                        reg_gen_ctrl;
 282         u32                        reg_bd_pkt_status;
 283         u32                        reg_sop_status;
 284         u32                        reg_fifo_ovfl_stat;
 285         u32                        reg_vld_misc;
 286         u32                        reg_ts_clk_en;
 287         u32                        reg_ts_int_msk;
 288         u32                        reg_ts_int_stat;
 289         u32                        reg_src_sel;
 290
 291         /* Default register vals */
 292         int                        pci_irqmask;
 293         u32                        dma_ctl_val;
 294         u32                        ts_int_msk_val;
 295         u32                        gen_ctrl_val;
 296         u32                        ts_clk_en_val;
 297         u32                        src_sel_val;
 298         u32                        vld_misc_val;
 299         u32                        hw_sop_ctrl_val;
 300
 301         /* Allow a single tsport to have multiple frontends */
 302         u32                        num_frontends;
 303         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 304         void                       *port_priv;
 305
 306         /* Workaround for a temp dvb_frontend that the tuner can attached to */
 307         struct dvb_frontend analog_fe;
 308
 309         struct i2c_client *i2c_client_demod;
 310         struct i2c_client *i2c_client_tuner;
 311         struct i2c_client *i2c_client_sec;
 312         struct i2c_client *i2c_client_ci;
 313
 314         int (*set_frontend)(struct dvb_frontend *fe);
 315         int (*fe_set_voltage)(struct dvb_frontend *fe,
 316                               enum fe_sec_voltage voltage);
 317 };
 318
 319 struct cx23885_kernel_ir {
 320         struct cx23885_dev      *cx;
 321         char                    *name;
 322         char                    *phys;
 323
 324         struct rc_dev           *rc;
 325 };
 326
 327 struct cx23885_audio_buffer {
 328         unsigned int            bpl;
 329         struct cx23885_riscmem  risc;
 330         void                    *vaddr;
 331         struct scatterlist      *sglist;
 332         int                     sglen;
 333         int                     nr_pages;
 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 cx23885_audio_buffer   *buf;
 352
 353         struct snd_pcm_substream *substream;
 354 };
 355
 356 struct cx23885_dev {
 357         atomic_t                   refcount;
 358         struct v4l2_device         v4l2_dev;
 359         struct v4l2_ctrl_handler   ctrl_handler;
 360
 361         /* pci stuff */
 362         struct pci_dev             *pci;
 363         unsigned char              pci_rev, pci_lat;
 364         int                        pci_bus, pci_slot;
 365         u32                        __iomem *lmmio;
 366         u8                         __iomem *bmmio;
 367         int                        pci_irqmask;
 368         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 369         int                        hwrevision;
 370
 371         /* This valud is board specific and is used to configure the
 372          * AV core so we see nice clean and stable video and audio. */
 373         u32                        clk_freq;
 374
 375         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 376         struct cx23885_i2c         i2c_bus[3];
 377
 378         int                        nr;
 379         struct mutex               lock;
 380         struct mutex               gpio_lock;
 381
 382         /* board details */
 383         unsigned int               board;
 384         char                       name[32];
 385
 386         struct cx23885_tsport      ts1, ts2;
 387
 388         /* sram configuration */
 389         struct sram_channel        *sram_channels;
 390
 391         enum {
 392                 CX23885_BRIDGE_UNDEFINED = 0,
 393                 CX23885_BRIDGE_885 = 885,
 394                 CX23885_BRIDGE_887 = 887,
 395                 CX23885_BRIDGE_888 = 888,
 396         } bridge;
 397
 398         /* Analog video */
 399         unsigned int               input;
 400         unsigned int               audinput; /* Selectable audio input */
 401         u32                        tvaudio;
 402         v4l2_std_id                tvnorm;
 403         unsigned int               tuner_type;
 404         unsigned char              tuner_addr;
 405         unsigned int               tuner_bus;
 406         unsigned int               radio_type;
 407         unsigned char              radio_addr;
 408         struct v4l2_subdev         *sd_cx25840;
 409         struct work_struct         cx25840_work;
 410
 411         /* Infrared */
 412         struct v4l2_subdev         *sd_ir;
 413         struct work_struct         ir_rx_work;
 414         unsigned long              ir_rx_notifications;
 415         struct work_struct         ir_tx_work;
 416         unsigned long              ir_tx_notifications;
 417
 418         struct cx23885_kernel_ir   *kernel_ir;
 419         atomic_t                   ir_input_stopping;
 420
 421         /* V4l */
 422         u32                        freq;
 423         struct video_device        *video_dev;
 424         struct video_device        *vbi_dev;
 425
 426         /* video capture */
 427         struct cx23885_fmt         *fmt;
 428         unsigned int               width, height;
 429         unsigned                   field;
 430
 431         struct cx23885_dmaqueue    vidq;
 432         struct vb2_queue           vb2_vidq;
 433         struct cx23885_dmaqueue    vbiq;
 434         struct vb2_queue           vb2_vbiq;
 435
 436         spinlock_t                 slock;
 437
 438         /* MPEG Encoder ONLY settings */
 439         u32                        cx23417_mailbox;
 440         struct cx2341x_handler     cxhdl;
 441         struct video_device        *v4l_device;
 442         struct vb2_queue           vb2_mpegq;
 443         struct cx23885_tvnorm      encodernorm;
 444
 445         /* Analog raw audio */
 446         struct cx23885_audio_dev   *audio_dev;
 447
 448 };
 449
 450 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 451 {
 452         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 453 }
 454
 455 #define call_all(dev, o, f, args...) \
 456         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 457
 458 #define CX23885_HW_888_IR  (1 << 0)
 459 #define CX23885_HW_AV_CORE (1 << 1)
 460
 461 #define call_hw(dev, grpid, o, f, args...) \
 462         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 463
 464 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 465
 466 #define SRAM_CH01  0 /* Video A */
 467 #define SRAM_CH02  1 /* VBI A */
 468 #define SRAM_CH03  2 /* Video B */
 469 #define SRAM_CH04  3 /* Transport via B */
 470 #define SRAM_CH05  4 /* VBI B */
 471 #define SRAM_CH06  5 /* Video C */
 472 #define SRAM_CH07  6 /* Transport via C */
 473 #define SRAM_CH08  7 /* Audio Internal A */
 474 #define SRAM_CH09  8 /* Audio Internal B */
 475 #define SRAM_CH10  9 /* Audio External */
 476 #define SRAM_CH11 10 /* COMB_3D_N */
 477 #define SRAM_CH12 11 /* Comb 3D N1 */
 478 #define SRAM_CH13 12 /* Comb 3D N2 */
 479 #define SRAM_CH14 13 /* MOE Vid */
 480 #define SRAM_CH15 14 /* MOE RSLT */
 481
 482 struct sram_channel {
 483         char *name;
 484         u32  cmds_start;
 485         u32  ctrl_start;
 486         u32  cdt;
 487         u32  fifo_start;
 488         u32  fifo_size;
 489         u32  ptr1_reg;
 490         u32  ptr2_reg;
 491         u32  cnt1_reg;
 492         u32  cnt2_reg;
 493         u32  jumponly;
 494 };
 495
 496 /* ----------------------------------------------------------- */
 497
 498 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 499 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 500
 501 #define cx_andor(reg, mask, value) \
 502   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 503   ((value) & (mask)), dev->lmmio+((reg)>>2))
 504
 505 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 506 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 507
 508 /* ----------------------------------------------------------- */
 509 /* cx23885-core.c                                              */
 510
 511 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 512         struct sram_channel *ch,
 513         unsigned int bpl, u32 risc);
 514
 515 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 516         struct sram_channel *ch);
 517
 518 extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
 519         struct scatterlist *sglist,
 520         unsigned int top_offset, unsigned int bottom_offset,
 521         unsigned int bpl, unsigned int padding, unsigned int lines);
 522
 523 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 524         struct cx23885_riscmem *risc, struct scatterlist *sglist,
 525         unsigned int top_offset, unsigned int bottom_offset,
 526         unsigned int bpl, unsigned int padding, unsigned int lines);
 527
 528 int cx23885_start_dma(struct cx23885_tsport *port,
 529                              struct cx23885_dmaqueue *q,
 530                              struct cx23885_buffer   *buf);
 531 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 532
 533
 534 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 535 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 536 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 537 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 538         int asoutput);
 539
 540 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 541 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 542 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 543 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 544
 545 /* ----------------------------------------------------------- */
 546 /* cx23885-cards.c                                             */
 547 extern struct cx23885_board cx23885_boards[];
 548 extern const unsigned int cx23885_bcount;
 549
 550 extern struct cx23885_subid cx23885_subids[];
 551 extern const unsigned int cx23885_idcount;
 552
 553 extern int cx23885_tuner_callback(void *priv, int component,
 554         int command, int arg);
 555 extern void cx23885_card_list(struct cx23885_dev *dev);
 556 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 557 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 558 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 559 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 560 extern void cx23885_card_setup(struct cx23885_dev *dev);
 561 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 562
 563 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 564 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 565
 566 extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
 567                                struct cx23885_tsport *port);
 568 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 569                               struct cx23885_buffer *buf);
 570 extern void cx23885_free_buffer(struct cx23885_dev *dev,
 571                                 struct cx23885_buffer *buf);
 572
 573 /* ----------------------------------------------------------- */
 574 /* cx23885-video.c                                             */
 575 /* Video */
 576 extern int cx23885_video_register(struct cx23885_dev *dev);
 577 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 578 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 579 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 580         struct cx23885_dmaqueue *q, u32 count);
 581 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 582 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 583 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 584 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
 585 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 586
 587 /* ----------------------------------------------------------- */
 588 /* cx23885-vbi.c                                               */
 589 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 590         struct v4l2_format *f);
 591 extern void cx23885_vbi_timeout(unsigned long data);
 592 extern struct vb2_ops cx23885_vbi_qops;
 593 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 594
 595 /* cx23885-i2c.c                                                */
 596 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 597 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 598 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 599
 600 /* ----------------------------------------------------------- */
 601 /* cx23885-417.c                                               */
 602 extern int cx23885_417_register(struct cx23885_dev *dev);
 603 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 604 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 605 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 606 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 607 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 608 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 609 extern int mc417_register_read(struct cx23885_dev *dev,
 610                                 u16 address, u32 *value);
 611 extern int mc417_register_write(struct cx23885_dev *dev,
 612                                 u16 address, u32 value);
 613 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 614 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 615 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 616
 617 /* ----------------------------------------------------------- */
 618 /* cx23885-alsa.c                                             */
 619 extern struct cx23885_audio_dev *cx23885_audio_register(
 620                                         struct cx23885_dev *dev);
 621 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 622 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 623 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 624                                    struct cx23885_riscmem *risc,
 625                                    struct scatterlist *sglist,
 626                                    unsigned int bpl,
 627                                    unsigned int lines,
 628                                    unsigned int lpi);
 629
 630 /* ----------------------------------------------------------- */
 631 /* tv norms                                                    */
 632
 633 static inline unsigned int norm_maxh(v4l2_std_id norm)
 634 {
 635         return (norm & V4L2_STD_525_60) ? 480 : 576;
 636 }