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  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/pci.h>
  23 #include <linux/i2c.h>
  24 #include <linux/kdev_t.h>
  25 #include <linux/slab.h>
  26
  27 #include <media/v4l2-device.h>
  28 #include <media/tuner.h>
  29 #include <media/tveeprom.h>
  30 #include <media/videobuf-dma-sg.h>
  31 #include <media/videobuf-dvb.h>
  32 #include <media/rc-core.h>
  33
  34 #include "btcx-risc.h"
  35 #include "cx23885-reg.h"
  36 #include "media/cx2341x.h"
  37
  38 #include <linux/mutex.h>
  39
  40 #define CX23885_VERSION "0.0.3"
  41
  42 #define UNSET (-1U)
  43
  44 #define CX23885_MAXBOARDS 8
  45
  46 /* Max number of inputs by card */
  47 #define MAX_CX23885_INPUT 8
  48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  49 #define RESOURCE_OVERLAY       1
  50 #define RESOURCE_VIDEO         2
  51 #define RESOURCE_VBI           4
  52
  53 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  54
  55 #define CX23885_BOARD_NOAUTO               UNSET
  56 #define CX23885_BOARD_UNKNOWN                  0
  57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  58 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  59 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  62 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  63 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  64 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  65 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  68 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  70 #define CX23885_BOARD_TBS_6920                 14
  71 #define CX23885_BOARD_TEVII_S470               15
  72 #define CX23885_BOARD_DVBWORLD_2005            16
  73 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  74 #define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  75 #define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  76 #define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  77 #define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  78 #define CX23885_BOARD_MYGICA_X8506             22
  79 #define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  80 #define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  81 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  82 #define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  83 #define CX23885_BOARD_MYGICA_X8558PRO          27
  84 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  85 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  86 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
  87 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
  88 #define CX23885_BOARD_MPX885                   32
  89 #define CX23885_BOARD_MYGICA_X8507             33
  90 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
  91 #define CX23885_BOARD_TEVII_S471               35
  92 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111  36
  93 #define CX23885_BOARD_PROF_8000                37
  94 #define CX23885_BOARD_HAUPPAUGE_HVR4400        38
  95
  96 #define GPIO_0 0x00000001
  97 #define GPIO_1 0x00000002
  98 #define GPIO_2 0x00000004
  99 #define GPIO_3 0x00000008
 100 #define GPIO_4 0x00000010
 101 #define GPIO_5 0x00000020
 102 #define GPIO_6 0x00000040
 103 #define GPIO_7 0x00000080
 104 #define GPIO_8 0x00000100
 105 #define GPIO_9 0x00000200
 106 #define GPIO_10 0x00000400
 107 #define GPIO_11 0x00000800
 108 #define GPIO_12 0x00001000
 109 #define GPIO_13 0x00002000
 110 #define GPIO_14 0x00004000
 111 #define GPIO_15 0x00008000
 112
 113 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 114 #define CX23885_NORMS (\
 115         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 116         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 117         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 118         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 119
 120 struct cx23885_fmt {
 121         char  *name;
 122         u32   fourcc;          /* v4l2 format id */
 123         int   depth;
 124         int   flags;
 125         u32   cxformat;
 126 };
 127
 128 struct cx23885_ctrl {
 129         struct v4l2_queryctrl v;
 130         u32                   off;
 131         u32                   reg;
 132         u32                   mask;
 133         u32                   shift;
 134 };
 135
 136 struct cx23885_tvnorm {
 137         char            *name;
 138         v4l2_std_id     id;
 139         u32             cxiformat;
 140         u32             cxoformat;
 141 };
 142
 143 struct cx23885_fh {
 144         struct cx23885_dev         *dev;
 145         enum v4l2_buf_type         type;
 146         int                        radio;
 147         u32                        resources;
 148
 149         /* video overlay */
 150         struct v4l2_window         win;
 151         struct v4l2_clip           *clips;
 152         unsigned int               nclips;
 153
 154         /* video capture */
 155         struct cx23885_fmt         *fmt;
 156         unsigned int               width, height;
 157
 158         /* vbi capture */
 159         struct videobuf_queue      vidq;
 160         struct videobuf_queue      vbiq;
 161
 162         /* MPEG Encoder specifics ONLY */
 163         struct videobuf_queue      mpegq;
 164         atomic_t                   v4l_reading;
 165 };
 166
 167 enum cx23885_itype {
 168         CX23885_VMUX_COMPOSITE1 = 1,
 169         CX23885_VMUX_COMPOSITE2,
 170         CX23885_VMUX_COMPOSITE3,
 171         CX23885_VMUX_COMPOSITE4,
 172         CX23885_VMUX_SVIDEO,
 173         CX23885_VMUX_COMPONENT,
 174         CX23885_VMUX_TELEVISION,
 175         CX23885_VMUX_CABLE,
 176         CX23885_VMUX_DVB,
 177         CX23885_VMUX_DEBUG,
 178         CX23885_RADIO,
 179 };
 180
 181 enum cx23885_src_sel_type {
 182         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 183         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 184 };
 185
 186 /* buffer for one video frame */
 187 struct cx23885_buffer {
 188         /* common v4l buffer stuff -- must be first */
 189         struct videobuf_buffer vb;
 190
 191         /* cx23885 specific */
 192         unsigned int           bpl;
 193         struct btcx_riscmem    risc;
 194         struct cx23885_fmt     *fmt;
 195         u32                    count;
 196 };
 197
 198 struct cx23885_input {
 199         enum cx23885_itype type;
 200         unsigned int    vmux;
 201         unsigned int    amux;
 202         u32             gpio0, gpio1, gpio2, gpio3;
 203 };
 204
 205 typedef enum {
 206         CX23885_MPEG_UNDEFINED = 0,
 207         CX23885_MPEG_DVB,
 208         CX23885_ANALOG_VIDEO,
 209         CX23885_MPEG_ENCODER,
 210 } port_t;
 211
 212 struct cx23885_board {
 213         char                    *name;
 214         port_t                  porta, portb, portc;
 215         int             num_fds_portb, num_fds_portc;
 216         unsigned int            tuner_type;
 217         unsigned int            radio_type;
 218         unsigned char           tuner_addr;
 219         unsigned char           radio_addr;
 220         unsigned int            tuner_bus;
 221
 222         /* Vendors can and do run the PCIe bridge at different
 223          * clock rates, driven physically by crystals on the PCBs.
 224          * The core has to accommodate this. This allows the user
 225          * to add new boards with new frequencys. The value is
 226          * expressed in Hz.
 227          *
 228          * The core framework will default this value based on
 229          * current designs, but it can vary.
 230          */
 231         u32                     clk_freq;
 232         struct cx23885_input    input[MAX_CX23885_INPUT];
 233         int                     ci_type; /* for NetUP */
 234         /* Force bottom field first during DMA (888 workaround) */
 235         u32                     force_bff;
 236 };
 237
 238 struct cx23885_subid {
 239         u16     subvendor;
 240         u16     subdevice;
 241         u32     card;
 242 };
 243
 244 struct cx23885_i2c {
 245         struct cx23885_dev *dev;
 246
 247         int                        nr;
 248
 249         /* i2c i/o */
 250         struct i2c_adapter         i2c_adap;
 251         struct i2c_client          i2c_client;
 252         u32                        i2c_rc;
 253
 254         /* 885 registers used for raw addess */
 255         u32                        i2c_period;
 256         u32                        reg_ctrl;
 257         u32                        reg_stat;
 258         u32                        reg_addr;
 259         u32                        reg_rdata;
 260         u32                        reg_wdata;
 261 };
 262
 263 struct cx23885_dmaqueue {
 264         struct list_head       active;
 265         struct list_head       queued;
 266         struct timer_list      timeout;
 267         struct btcx_riscmem    stopper;
 268         u32                    count;
 269 };
 270
 271 struct cx23885_tsport {
 272         struct cx23885_dev *dev;
 273
 274         int                        nr;
 275         int                        sram_chno;
 276
 277         struct videobuf_dvb_frontends frontends;
 278
 279         /* dma queues */
 280         struct cx23885_dmaqueue    mpegq;
 281         u32                        ts_packet_size;
 282         u32                        ts_packet_count;
 283
 284         int                        width;
 285         int                        height;
 286
 287         spinlock_t                 slock;
 288
 289         /* registers */
 290         u32                        reg_gpcnt;
 291         u32                        reg_gpcnt_ctl;
 292         u32                        reg_dma_ctl;
 293         u32                        reg_lngth;
 294         u32                        reg_hw_sop_ctrl;
 295         u32                        reg_gen_ctrl;
 296         u32                        reg_bd_pkt_status;
 297         u32                        reg_sop_status;
 298         u32                        reg_fifo_ovfl_stat;
 299         u32                        reg_vld_misc;
 300         u32                        reg_ts_clk_en;
 301         u32                        reg_ts_int_msk;
 302         u32                        reg_ts_int_stat;
 303         u32                        reg_src_sel;
 304
 305         /* Default register vals */
 306         int                        pci_irqmask;
 307         u32                        dma_ctl_val;
 308         u32                        ts_int_msk_val;
 309         u32                        gen_ctrl_val;
 310         u32                        ts_clk_en_val;
 311         u32                        src_sel_val;
 312         u32                        vld_misc_val;
 313         u32                        hw_sop_ctrl_val;
 314
 315         /* Allow a single tsport to have multiple frontends */
 316         u32                        num_frontends;
 317         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 318         void                       *port_priv;
 319
 320         /* Workaround for a temp dvb_frontend that the tuner can attached to */
 321         struct dvb_frontend analog_fe;
 322 };
 323
 324 struct cx23885_kernel_ir {
 325         struct cx23885_dev      *cx;
 326         char                    *name;
 327         char                    *phys;
 328
 329         struct rc_dev           *rc;
 330 };
 331
 332 struct cx23885_audio_buffer {
 333         unsigned int            bpl;
 334         struct btcx_riscmem     risc;
 335         struct videobuf_dmabuf  dma;
 336 };
 337
 338 struct 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 videobuf_dmabuf  *dma_risc;
 354
 355         struct cx23885_audio_buffer   *buf;
 356
 357         struct snd_pcm_substream *substream;
 358 };
 359
 360 struct cx23885_dev {
 361         atomic_t                   refcount;
 362         struct v4l2_device         v4l2_dev;
 363
 364         /* pci stuff */
 365         struct pci_dev             *pci;
 366         unsigned char              pci_rev, pci_lat;
 367         int                        pci_bus, pci_slot;
 368         u32                        __iomem *lmmio;
 369         u8                         __iomem *bmmio;
 370         int                        pci_irqmask;
 371         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 372         int                        hwrevision;
 373
 374         /* This valud is board specific and is used to configure the
 375          * AV core so we see nice clean and stable video and audio. */
 376         u32                        clk_freq;
 377
 378         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 379         struct cx23885_i2c         i2c_bus[3];
 380
 381         int                        nr;
 382         struct mutex               lock;
 383         struct mutex               gpio_lock;
 384
 385         /* board details */
 386         unsigned int               board;
 387         char                       name[32];
 388
 389         struct cx23885_tsport      ts1, ts2;
 390
 391         /* sram configuration */
 392         struct sram_channel        *sram_channels;
 393
 394         enum {
 395                 CX23885_BRIDGE_UNDEFINED = 0,
 396                 CX23885_BRIDGE_885 = 885,
 397                 CX23885_BRIDGE_887 = 887,
 398                 CX23885_BRIDGE_888 = 888,
 399         } bridge;
 400
 401         /* Analog video */
 402         u32                        resources;
 403         unsigned int               input;
 404         unsigned int               audinput; /* Selectable audio input */
 405         u32                        tvaudio;
 406         v4l2_std_id                tvnorm;
 407         unsigned int               tuner_type;
 408         unsigned char              tuner_addr;
 409         unsigned int               tuner_bus;
 410         unsigned int               radio_type;
 411         unsigned char              radio_addr;
 412         unsigned int               has_radio;
 413         struct v4l2_subdev         *sd_cx25840;
 414         struct work_struct         cx25840_work;
 415
 416         /* Infrared */
 417         struct v4l2_subdev         *sd_ir;
 418         struct work_struct         ir_rx_work;
 419         unsigned long              ir_rx_notifications;
 420         struct work_struct         ir_tx_work;
 421         unsigned long              ir_tx_notifications;
 422
 423         struct cx23885_kernel_ir   *kernel_ir;
 424         atomic_t                   ir_input_stopping;
 425
 426         /* V4l */
 427         u32                        freq;
 428         struct video_device        *video_dev;
 429         struct video_device        *vbi_dev;
 430         struct video_device        *radio_dev;
 431
 432         struct cx23885_dmaqueue    vidq;
 433         struct cx23885_dmaqueue    vbiq;
 434         spinlock_t                 slock;
 435
 436         /* MPEG Encoder ONLY settings */
 437         u32                        cx23417_mailbox;
 438         struct cx2341x_mpeg_params mpeg_params;
 439         struct video_device        *v4l_device;
 440         atomic_t                   v4l_reader_count;
 441         struct cx23885_tvnorm      encodernorm;
 442
 443         /* Analog raw audio */
 444         struct cx23885_audio_dev   *audio_dev;
 445
 446 };
 447
 448 static 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
 462 extern 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
 480 struct 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
 509 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 510         struct sram_channel *ch,
 511         unsigned int bpl, u32 risc);
 512
 513 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 514         struct sram_channel *ch);
 515
 516 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 517         u32 reg, u32 mask, u32 value);
 518
 519 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 520         struct scatterlist *sglist,
 521         unsigned int top_offset, unsigned int bottom_offset,
 522         unsigned int bpl, unsigned int padding, unsigned int lines);
 523
 524 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 525         struct btcx_riscmem *risc, struct scatterlist *sglist,
 526         unsigned int top_offset, unsigned int bottom_offset,
 527         unsigned int bpl, unsigned int padding, unsigned int lines);
 528
 529 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 530
 531 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 532                                 struct cx23885_dmaqueue *q);
 533
 534 extern void cx23885_wakeup(struct cx23885_tsport *port,
 535                            struct cx23885_dmaqueue *q, u32 count);
 536
 537 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 538 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 539 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 540 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 541         int asoutput);
 542
 543 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 544 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 545 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 546 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 547
 548 /* ----------------------------------------------------------- */
 549 /* cx23885-cards.c                                             */
 550 extern struct cx23885_board cx23885_boards[];
 551 extern const unsigned int cx23885_bcount;
 552
 553 extern struct cx23885_subid cx23885_subids[];
 554 extern const unsigned int cx23885_idcount;
 555
 556 extern int cx23885_tuner_callback(void *priv, int component,
 557         int command, int arg);
 558 extern void cx23885_card_list(struct cx23885_dev *dev);
 559 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 560 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 561 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 562 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 563 extern void cx23885_card_setup(struct cx23885_dev *dev);
 564 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 565
 566 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 567 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 568
 569 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 570                                struct cx23885_tsport *port,
 571                                struct cx23885_buffer *buf,
 572                                enum v4l2_field field);
 573 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 574                               struct cx23885_buffer *buf);
 575 extern void cx23885_free_buffer(struct videobuf_queue *q,
 576                                 struct cx23885_buffer *buf);
 577
 578 /* ----------------------------------------------------------- */
 579 /* cx23885-video.c                                             */
 580 /* Video */
 581 extern int cx23885_video_register(struct cx23885_dev *dev);
 582 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 583 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 584 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 585         struct cx23885_dmaqueue *q, u32 count);
 586 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 587 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 588 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 589 int cx23885_set_frequency(struct file *file, void *priv, struct v4l2_frequency *f);
 590 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
 591 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
 592 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 593
 594 /* ----------------------------------------------------------- */
 595 /* cx23885-vbi.c                                               */
 596 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 597         struct v4l2_format *f);
 598 extern void cx23885_vbi_timeout(unsigned long data);
 599 extern struct videobuf_queue_ops cx23885_vbi_qops;
 600 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
 601         struct cx23885_dmaqueue *q);
 602 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 603
 604 /* cx23885-i2c.c                                                */
 605 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 606 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 607 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 608
 609 /* ----------------------------------------------------------- */
 610 /* cx23885-417.c                                               */
 611 extern int cx23885_417_register(struct cx23885_dev *dev);
 612 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 613 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 614 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 615 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 616 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 617 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 618 extern int mc417_register_read(struct cx23885_dev *dev,
 619                                 u16 address, u32 *value);
 620 extern int mc417_register_write(struct cx23885_dev *dev,
 621                                 u16 address, u32 value);
 622 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 623 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 624 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 625
 626 /* ----------------------------------------------------------- */
 627 /* cx23885-alsa.c                                             */
 628 extern struct cx23885_audio_dev *cx23885_audio_register(
 629                                         struct cx23885_dev *dev);
 630 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 631 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 632 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 633                                    struct btcx_riscmem *risc,
 634                                    struct scatterlist *sglist,
 635                                    unsigned int bpl,
 636                                    unsigned int lines,
 637                                    unsigned int lpi);
 638
 639 /* ----------------------------------------------------------- */
 640 /* tv norms                                                    */
 641
 642 static inline unsigned int norm_maxw(v4l2_std_id norm)
 643 {
 644         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 645 }
 646
 647 static inline unsigned int norm_maxh(v4l2_std_id norm)
 648 {
 649         return (norm & V4L2_STD_625_50) ? 576 : 480;
 650 }
 651
 652 static inline unsigned int norm_swidth(v4l2_std_id norm)
 653 {
 654         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 655 }