drivers/media/pci/cx23885/cx23885.h

   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
 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         u32   fourcc;          /* v4l2 format id */
 131         int   depth;
 132         int   flags;
 133         u32   cxformat;
 134 };
 135
 136 struct cx23885_tvnorm {
 137         char            *name;
 138         v4l2_std_id     id;
 139         u32             cxiformat;
 140         u32             cxoformat;
 141 };
 142
 143 enum cx23885_itype {
 144         CX23885_VMUX_COMPOSITE1 = 1,
 145         CX23885_VMUX_COMPOSITE2,
 146         CX23885_VMUX_COMPOSITE3,
 147         CX23885_VMUX_COMPOSITE4,
 148         CX23885_VMUX_SVIDEO,
 149         CX23885_VMUX_COMPONENT,
 150         CX23885_VMUX_TELEVISION,
 151         CX23885_VMUX_CABLE,
 152         CX23885_VMUX_DVB,
 153         CX23885_VMUX_DEBUG,
 154         CX23885_RADIO,
 155 };
 156
 157 enum cx23885_src_sel_type {
 158         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 159         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 160 };
 161
 162 struct cx23885_riscmem {
 163         unsigned int   size;
 164         __le32         *cpu;
 165         __le32         *jmp;
 166         dma_addr_t     dma;
 167 };
 168
 169 /* buffer for one video frame */
 170 struct cx23885_buffer {
 171         /* common v4l buffer stuff -- must be first */
 172         struct vb2_v4l2_buffer vb;
 173         struct list_head queue;
 174
 175         /* cx23885 specific */
 176         unsigned int           bpl;
 177         struct cx23885_riscmem risc;
 178         struct cx23885_fmt     *fmt;
 179         u32                    count;
 180 };
 181
 182 struct cx23885_input {
 183         enum cx23885_itype type;
 184         unsigned int    vmux;
 185         unsigned int    amux;
 186         u32             gpio0, gpio1, gpio2, gpio3;
 187 };
 188
 189 typedef enum {
 190         CX23885_MPEG_UNDEFINED = 0,
 191         CX23885_MPEG_DVB,
 192         CX23885_ANALOG_VIDEO,
 193         CX23885_MPEG_ENCODER,
 194 } port_t;
 195
 196 struct cx23885_board {
 197         char                    *name;
 198         port_t                  porta, portb, portc;
 199         int             num_fds_portb, num_fds_portc;
 200         unsigned int            tuner_type;
 201         unsigned int            radio_type;
 202         unsigned char           tuner_addr;
 203         unsigned char           radio_addr;
 204         unsigned int            tuner_bus;
 205
 206         /* Vendors can and do run the PCIe bridge at different
 207          * clock rates, driven physically by crystals on the PCBs.
 208          * The core has to accommodate this. This allows the user
 209          * to add new boards with new frequencys. The value is
 210          * expressed in Hz.
 211          *
 212          * The core framework will default this value based on
 213          * current designs, but it can vary.
 214          */
 215         u32                     clk_freq;
 216         struct cx23885_input    input[MAX_CX23885_INPUT];
 217         int                     ci_type; /* for NetUP */
 218         /* Force bottom field first during DMA (888 workaround) */
 219         u32                     force_bff;
 220 };
 221
 222 struct cx23885_subid {
 223         u16     subvendor;
 224         u16     subdevice;
 225         u32     card;
 226 };
 227
 228 struct cx23885_i2c {
 229         struct cx23885_dev *dev;
 230
 231         int                        nr;
 232
 233         /* i2c i/o */
 234         struct i2c_adapter         i2c_adap;
 235         struct i2c_client          i2c_client;
 236         u32                        i2c_rc;
 237
 238         /* 885 registers used for raw address */
 239         u32                        i2c_period;
 240         u32                        reg_ctrl;
 241         u32                        reg_stat;
 242         u32                        reg_addr;
 243         u32                        reg_rdata;
 244         u32                        reg_wdata;
 245 };
 246
 247 struct cx23885_dmaqueue {
 248         struct list_head       active;
 249         u32                    count;
 250 };
 251
 252 struct cx23885_tsport {
 253         struct cx23885_dev *dev;
 254
 255         unsigned                   nr;
 256         int                        sram_chno;
 257
 258         struct vb2_dvb_frontends   frontends;
 259
 260         /* dma queues */
 261         struct cx23885_dmaqueue    mpegq;
 262         u32                        ts_packet_size;
 263         u32                        ts_packet_count;
 264
 265         int                        width;
 266         int                        height;
 267
 268         spinlock_t                 slock;
 269
 270         /* registers */
 271         u32                        reg_gpcnt;
 272         u32                        reg_gpcnt_ctl;
 273         u32                        reg_dma_ctl;
 274         u32                        reg_lngth;
 275         u32                        reg_hw_sop_ctrl;
 276         u32                        reg_gen_ctrl;
 277         u32                        reg_bd_pkt_status;
 278         u32                        reg_sop_status;
 279         u32                        reg_fifo_ovfl_stat;
 280         u32                        reg_vld_misc;
 281         u32                        reg_ts_clk_en;
 282         u32                        reg_ts_int_msk;
 283         u32                        reg_ts_int_stat;
 284         u32                        reg_src_sel;
 285
 286         /* Default register vals */
 287         int                        pci_irqmask;
 288         u32                        dma_ctl_val;
 289         u32                        ts_int_msk_val;
 290         u32                        gen_ctrl_val;
 291         u32                        ts_clk_en_val;
 292         u32                        src_sel_val;
 293         u32                        vld_misc_val;
 294         u32                        hw_sop_ctrl_val;
 295
 296         /* Allow a single tsport to have multiple frontends */
 297         u32                        num_frontends;
 298         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 299         void                       *port_priv;
 300
 301         /* Workaround for a temp dvb_frontend that the tuner can attached to */
 302         struct dvb_frontend analog_fe;
 303
 304         struct i2c_client *i2c_client_demod;
 305         struct i2c_client *i2c_client_tuner;
 306         struct i2c_client *i2c_client_sec;
 307         struct i2c_client *i2c_client_ci;
 308
 309         int (*set_frontend)(struct dvb_frontend *fe);
 310         int (*fe_set_voltage)(struct dvb_frontend *fe,
 311                               enum fe_sec_voltage voltage);
 312 };
 313
 314 struct cx23885_kernel_ir {
 315         struct cx23885_dev      *cx;
 316         char                    *name;
 317         char                    *phys;
 318
 319         struct rc_dev           *rc;
 320 };
 321
 322 struct cx23885_audio_buffer {
 323         unsigned int            bpl;
 324         struct cx23885_riscmem  risc;
 325         void                    *vaddr;
 326         struct scatterlist      *sglist;
 327         int                     sglen;
 328         int                     nr_pages;
 329 };
 330
 331 struct cx23885_audio_dev {
 332         struct cx23885_dev      *dev;
 333
 334         struct pci_dev          *pci;
 335
 336         struct snd_card         *card;
 337
 338         spinlock_t              lock;
 339
 340         atomic_t                count;
 341
 342         unsigned int            dma_size;
 343         unsigned int            period_size;
 344         unsigned int            num_periods;
 345
 346         struct cx23885_audio_buffer   *buf;
 347
 348         struct snd_pcm_substream *substream;
 349 };
 350
 351 struct cx23885_dev {
 352         atomic_t                   refcount;
 353         struct v4l2_device         v4l2_dev;
 354         struct v4l2_ctrl_handler   ctrl_handler;
 355
 356         /* pci stuff */
 357         struct pci_dev             *pci;
 358         unsigned char              pci_rev, pci_lat;
 359         int                        pci_bus, pci_slot;
 360         u32                        __iomem *lmmio;
 361         u8                         __iomem *bmmio;
 362         int                        pci_irqmask;
 363         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 364         int                        hwrevision;
 365
 366         /* This valud is board specific and is used to configure the
 367          * AV core so we see nice clean and stable video and audio. */
 368         u32                        clk_freq;
 369
 370         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 371         struct cx23885_i2c         i2c_bus[3];
 372
 373         int                        nr;
 374         struct mutex               lock;
 375         struct mutex               gpio_lock;
 376
 377         /* board details */
 378         unsigned int               board;
 379         char                       name[32];
 380
 381         struct cx23885_tsport      ts1, ts2;
 382
 383         /* sram configuration */
 384         struct sram_channel        *sram_channels;
 385
 386         enum {
 387                 CX23885_BRIDGE_UNDEFINED = 0,
 388                 CX23885_BRIDGE_885 = 885,
 389                 CX23885_BRIDGE_887 = 887,
 390                 CX23885_BRIDGE_888 = 888,
 391         } bridge;
 392
 393         /* Analog video */
 394         unsigned int               input;
 395         unsigned int               audinput; /* Selectable audio input */
 396         u32                        tvaudio;
 397         v4l2_std_id                tvnorm;
 398         unsigned int               tuner_type;
 399         unsigned char              tuner_addr;
 400         unsigned int               tuner_bus;
 401         unsigned int               radio_type;
 402         unsigned char              radio_addr;
 403         struct v4l2_subdev         *sd_cx25840;
 404         struct work_struct         cx25840_work;
 405
 406         /* Infrared */
 407         struct v4l2_subdev         *sd_ir;
 408         struct work_struct         ir_rx_work;
 409         unsigned long              ir_rx_notifications;
 410         struct work_struct         ir_tx_work;
 411         unsigned long              ir_tx_notifications;
 412
 413         struct cx23885_kernel_ir   *kernel_ir;
 414         atomic_t                   ir_input_stopping;
 415
 416         /* V4l */
 417         u32                        freq;
 418         struct video_device        *video_dev;
 419         struct video_device        *vbi_dev;
 420
 421         /* video capture */
 422         struct cx23885_fmt         *fmt;
 423         unsigned int               width, height;
 424         unsigned                   field;
 425
 426         struct cx23885_dmaqueue    vidq;
 427         struct vb2_queue           vb2_vidq;
 428         struct cx23885_dmaqueue    vbiq;
 429         struct vb2_queue           vb2_vbiq;
 430
 431         spinlock_t                 slock;
 432
 433         /* MPEG Encoder ONLY settings */
 434         u32                        cx23417_mailbox;
 435         struct cx2341x_handler     cxhdl;
 436         struct video_device        *v4l_device;
 437         struct vb2_queue           vb2_mpegq;
 438         struct cx23885_tvnorm      encodernorm;
 439
 440         /* Analog raw audio */
 441         struct cx23885_audio_dev   *audio_dev;
 442
 443         /* Does the system require periodic DMA resets? */
 444         unsigned int            need_dma_reset:1;
 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 const 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_maxh(v4l2_std_id norm)
 631 {
 632         return (norm & V4L2_STD_525_60) ? 480 : 576;
 633 }