drivers/media/video/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/i2c-algo-bit.h>
  25 #include <linux/kdev_t.h>
  26 #include <linux/slab.h>
  27
  28 #include <media/v4l2-device.h>
  29 #include <media/tuner.h>
  30 #include <media/tveeprom.h>
  31 #include <media/videobuf-dma-sg.h>
  32 #include <media/videobuf-dvb.h>
  33 #include <media/rc-core.h>
  34
  35 #include "btcx-risc.h"
  36 #include "cx23885-reg.h"
  37 #include "media/cx2341x.h"
  38
  39 #include <linux/mutex.h>
  40
  41 #define CX23885_VERSION "0.0.3"
  42
  43 #define UNSET (-1U)
  44
  45 #define CX23885_MAXBOARDS 8
  46
  47 /* Max number of inputs by card */
  48 #define MAX_CX23885_INPUT 8
  49 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  50 #define RESOURCE_OVERLAY       1
  51 #define RESOURCE_VIDEO         2
  52 #define RESOURCE_VBI           4
  53
  54 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  55
  56 #define CX23885_BOARD_NOAUTO               UNSET
  57 #define CX23885_BOARD_UNKNOWN                  0
  58 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  59 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  60 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  61 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  62 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  63 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  64 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  65 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  66 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  67 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  68 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  69 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  70 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  71 #define CX23885_BOARD_TBS_6920                 14
  72 #define CX23885_BOARD_TEVII_S470               15
  73 #define CX23885_BOARD_DVBWORLD_2005            16
  74 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  75 #define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  76 #define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  77 #define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  78 #define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  79 #define CX23885_BOARD_MYGICA_X8506             22
  80 #define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  81 #define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  82 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  83 #define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  84 #define CX23885_BOARD_MYGICA_X8558PRO          27
  85 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  86 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  87 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
  88 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
  89 #define CX23885_BOARD_MPX885                   32
  90 #define CX23885_BOARD_MYGICA_X8507             33
  91
  92 #define GPIO_0 0x00000001
  93 #define GPIO_1 0x00000002
  94 #define GPIO_2 0x00000004
  95 #define GPIO_3 0x00000008
  96 #define GPIO_4 0x00000010
  97 #define GPIO_5 0x00000020
  98 #define GPIO_6 0x00000040
  99 #define GPIO_7 0x00000080
 100 #define GPIO_8 0x00000100
 101 #define GPIO_9 0x00000200
 102 #define GPIO_10 0x00000400
 103 #define GPIO_11 0x00000800
 104 #define GPIO_12 0x00001000
 105 #define GPIO_13 0x00002000
 106 #define GPIO_14 0x00004000
 107 #define GPIO_15 0x00008000
 108
 109 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 110 #define CX23885_NORMS (\
 111         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 112         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 113         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 114         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 115
 116 struct cx23885_fmt {
 117         char  *name;
 118         u32   fourcc;          /* v4l2 format id */
 119         int   depth;
 120         int   flags;
 121         u32   cxformat;
 122 };
 123
 124 struct cx23885_ctrl {
 125         struct v4l2_queryctrl v;
 126         u32                   off;
 127         u32                   reg;
 128         u32                   mask;
 129         u32                   shift;
 130 };
 131
 132 struct cx23885_tvnorm {
 133         char            *name;
 134         v4l2_std_id     id;
 135         u32             cxiformat;
 136         u32             cxoformat;
 137 };
 138
 139 struct cx23885_fh {
 140         struct cx23885_dev         *dev;
 141         enum v4l2_buf_type         type;
 142         int                        radio;
 143         u32                        resources;
 144
 145         /* video overlay */
 146         struct v4l2_window         win;
 147         struct v4l2_clip           *clips;
 148         unsigned int               nclips;
 149
 150         /* video capture */
 151         struct cx23885_fmt         *fmt;
 152         unsigned int               width, height;
 153
 154         /* vbi capture */
 155         struct videobuf_queue      vidq;
 156         struct videobuf_queue      vbiq;
 157
 158         /* MPEG Encoder specifics ONLY */
 159         struct videobuf_queue      mpegq;
 160         atomic_t                   v4l_reading;
 161 };
 162
 163 enum cx23885_itype {
 164         CX23885_VMUX_COMPOSITE1 = 1,
 165         CX23885_VMUX_COMPOSITE2,
 166         CX23885_VMUX_COMPOSITE3,
 167         CX23885_VMUX_COMPOSITE4,
 168         CX23885_VMUX_SVIDEO,
 169         CX23885_VMUX_COMPONENT,
 170         CX23885_VMUX_TELEVISION,
 171         CX23885_VMUX_CABLE,
 172         CX23885_VMUX_DVB,
 173         CX23885_VMUX_DEBUG,
 174         CX23885_RADIO,
 175 };
 176
 177 enum cx23885_src_sel_type {
 178         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 179         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 180 };
 181
 182 /* buffer for one video frame */
 183 struct cx23885_buffer {
 184         /* common v4l buffer stuff -- must be first */
 185         struct videobuf_buffer vb;
 186
 187         /* cx23885 specific */
 188         unsigned int           bpl;
 189         struct btcx_riscmem    risc;
 190         struct cx23885_fmt     *fmt;
 191         u32                    count;
 192 };
 193
 194 struct cx23885_input {
 195         enum cx23885_itype type;
 196         unsigned int    vmux;
 197         unsigned int    amux;
 198         u32             gpio0, gpio1, gpio2, gpio3;
 199 };
 200
 201 typedef enum {
 202         CX23885_MPEG_UNDEFINED = 0,
 203         CX23885_MPEG_DVB,
 204         CX23885_ANALOG_VIDEO,
 205         CX23885_MPEG_ENCODER,
 206 } port_t;
 207
 208 struct cx23885_board {
 209         char                    *name;
 210         port_t                  porta, portb, portc;
 211         int             num_fds_portb, num_fds_portc;
 212         unsigned int            tuner_type;
 213         unsigned int            radio_type;
 214         unsigned char           tuner_addr;
 215         unsigned char           radio_addr;
 216         unsigned int            tuner_bus;
 217
 218         /* Vendors can and do run the PCIe bridge at different
 219          * clock rates, driven physically by crystals on the PCBs.
 220          * The core has to accommodate this. This allows the user
 221          * to add new boards with new frequencys. The value is
 222          * expressed in Hz.
 223          *
 224          * The core framework will default this value based on
 225          * current designs, but it can vary.
 226          */
 227         u32                     clk_freq;
 228         struct cx23885_input    input[MAX_CX23885_INPUT];
 229         int                     ci_type; /* for NetUP */
 230 };
 231
 232 struct cx23885_subid {
 233         u16     subvendor;
 234         u16     subdevice;
 235         u32     card;
 236 };
 237
 238 struct cx23885_i2c {
 239         struct cx23885_dev *dev;
 240
 241         int                        nr;
 242
 243         /* i2c i/o */
 244         struct i2c_adapter         i2c_adap;
 245         struct i2c_algo_bit_data   i2c_algo;
 246         struct i2c_client          i2c_client;
 247         u32                        i2c_rc;
 248
 249         /* 885 registers used for raw addess */
 250         u32                        i2c_period;
 251         u32                        reg_ctrl;
 252         u32                        reg_stat;
 253         u32                        reg_addr;
 254         u32                        reg_rdata;
 255         u32                        reg_wdata;
 256 };
 257
 258 struct cx23885_dmaqueue {
 259         struct list_head       active;
 260         struct list_head       queued;
 261         struct timer_list      timeout;
 262         struct btcx_riscmem    stopper;
 263         u32                    count;
 264 };
 265
 266 struct cx23885_tsport {
 267         struct cx23885_dev *dev;
 268
 269         int                        nr;
 270         int                        sram_chno;
 271
 272         struct videobuf_dvb_frontends frontends;
 273
 274         /* dma queues */
 275         struct cx23885_dmaqueue    mpegq;
 276         u32                        ts_packet_size;
 277         u32                        ts_packet_count;
 278
 279         int                        width;
 280         int                        height;
 281
 282         spinlock_t                 slock;
 283
 284         /* registers */
 285         u32                        reg_gpcnt;
 286         u32                        reg_gpcnt_ctl;
 287         u32                        reg_dma_ctl;
 288         u32                        reg_lngth;
 289         u32                        reg_hw_sop_ctrl;
 290         u32                        reg_gen_ctrl;
 291         u32                        reg_bd_pkt_status;
 292         u32                        reg_sop_status;
 293         u32                        reg_fifo_ovfl_stat;
 294         u32                        reg_vld_misc;
 295         u32                        reg_ts_clk_en;
 296         u32                        reg_ts_int_msk;
 297         u32                        reg_ts_int_stat;
 298         u32                        reg_src_sel;
 299
 300         /* Default register vals */
 301         int                        pci_irqmask;
 302         u32                        dma_ctl_val;
 303         u32                        ts_int_msk_val;
 304         u32                        gen_ctrl_val;
 305         u32                        ts_clk_en_val;
 306         u32                        src_sel_val;
 307         u32                        vld_misc_val;
 308         u32                        hw_sop_ctrl_val;
 309
 310         /* Allow a single tsport to have multiple frontends */
 311         u32                        num_frontends;
 312         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 313         void                       *port_priv;
 314 };
 315
 316 struct cx23885_kernel_ir {
 317         struct cx23885_dev      *cx;
 318         char                    *name;
 319         char                    *phys;
 320
 321         struct rc_dev           *rc;
 322 };
 323
 324 struct cx23885_audio_buffer {
 325         unsigned int            bpl;
 326         struct btcx_riscmem     risc;
 327         struct videobuf_dmabuf  dma;
 328 };
 329
 330 struct cx23885_audio_dev {
 331         struct cx23885_dev      *dev;
 332
 333         struct pci_dev          *pci;
 334
 335         struct snd_card         *card;
 336
 337         spinlock_t              lock;
 338
 339         atomic_t                count;
 340
 341         unsigned int            dma_size;
 342         unsigned int            period_size;
 343         unsigned int            num_periods;
 344
 345         struct videobuf_dmabuf  *dma_risc;
 346
 347         struct cx23885_audio_buffer   *buf;
 348
 349         struct snd_pcm_substream *substream;
 350 };
 351
 352 struct cx23885_dev {
 353         atomic_t                   refcount;
 354         struct v4l2_device         v4l2_dev;
 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         u32                        resources;
 395         unsigned int               input;
 396         unsigned int               audinput; /* Selectable audio input */
 397         u32                        tvaudio;
 398         v4l2_std_id                tvnorm;
 399         unsigned int               tuner_type;
 400         unsigned char              tuner_addr;
 401         unsigned int               tuner_bus;
 402         unsigned int               radio_type;
 403         unsigned char              radio_addr;
 404         unsigned int               has_radio;
 405         struct v4l2_subdev         *sd_cx25840;
 406         struct work_struct         cx25840_work;
 407
 408         /* Infrared */
 409         struct v4l2_subdev         *sd_ir;
 410         struct work_struct         ir_rx_work;
 411         unsigned long              ir_rx_notifications;
 412         struct work_struct         ir_tx_work;
 413         unsigned long              ir_tx_notifications;
 414
 415         struct cx23885_kernel_ir   *kernel_ir;
 416         atomic_t                   ir_input_stopping;
 417
 418         /* V4l */
 419         u32                        freq;
 420         struct video_device        *video_dev;
 421         struct video_device        *vbi_dev;
 422         struct video_device        *radio_dev;
 423
 424         struct cx23885_dmaqueue    vidq;
 425         struct cx23885_dmaqueue    vbiq;
 426         spinlock_t                 slock;
 427
 428         /* MPEG Encoder ONLY settings */
 429         u32                        cx23417_mailbox;
 430         struct cx2341x_mpeg_params mpeg_params;
 431         struct video_device        *v4l_device;
 432         atomic_t                   v4l_reader_count;
 433         struct cx23885_tvnorm      encodernorm;
 434
 435         /* Analog raw audio */
 436         struct cx23885_audio_dev   *audio_dev;
 437
 438 };
 439
 440 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 441 {
 442         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 443 }
 444
 445 #define call_all(dev, o, f, args...) \
 446         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 447
 448 #define CX23885_HW_888_IR  (1 << 0)
 449 #define CX23885_HW_AV_CORE (1 << 1)
 450
 451 #define call_hw(dev, grpid, o, f, args...) \
 452         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 453
 454 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 455
 456 #define SRAM_CH01  0 /* Video A */
 457 #define SRAM_CH02  1 /* VBI A */
 458 #define SRAM_CH03  2 /* Video B */
 459 #define SRAM_CH04  3 /* Transport via B */
 460 #define SRAM_CH05  4 /* VBI B */
 461 #define SRAM_CH06  5 /* Video C */
 462 #define SRAM_CH07  6 /* Transport via C */
 463 #define SRAM_CH08  7 /* Audio Internal A */
 464 #define SRAM_CH09  8 /* Audio Internal B */
 465 #define SRAM_CH10  9 /* Audio External */
 466 #define SRAM_CH11 10 /* COMB_3D_N */
 467 #define SRAM_CH12 11 /* Comb 3D N1 */
 468 #define SRAM_CH13 12 /* Comb 3D N2 */
 469 #define SRAM_CH14 13 /* MOE Vid */
 470 #define SRAM_CH15 14 /* MOE RSLT */
 471
 472 struct sram_channel {
 473         char *name;
 474         u32  cmds_start;
 475         u32  ctrl_start;
 476         u32  cdt;
 477         u32  fifo_start;
 478         u32  fifo_size;
 479         u32  ptr1_reg;
 480         u32  ptr2_reg;
 481         u32  cnt1_reg;
 482         u32  cnt2_reg;
 483         u32  jumponly;
 484 };
 485
 486 /* ----------------------------------------------------------- */
 487
 488 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 489 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 490
 491 #define cx_andor(reg, mask, value) \
 492   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 493   ((value) & (mask)), dev->lmmio+((reg)>>2))
 494
 495 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 496 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 497
 498 /* ----------------------------------------------------------- */
 499 /* cx23885-core.c                                              */
 500
 501 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 502         struct sram_channel *ch,
 503         unsigned int bpl, u32 risc);
 504
 505 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 506         struct sram_channel *ch);
 507
 508 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 509         u32 reg, u32 mask, u32 value);
 510
 511 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 512         struct scatterlist *sglist,
 513         unsigned int top_offset, unsigned int bottom_offset,
 514         unsigned int bpl, unsigned int padding, unsigned int lines);
 515
 516 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 517         struct btcx_riscmem *risc, struct scatterlist *sglist,
 518         unsigned int top_offset, unsigned int bottom_offset,
 519         unsigned int bpl, unsigned int padding, unsigned int lines);
 520
 521 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 522
 523 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 524                                 struct cx23885_dmaqueue *q);
 525
 526 extern void cx23885_wakeup(struct cx23885_tsport *port,
 527                            struct cx23885_dmaqueue *q, u32 count);
 528
 529 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 530 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 531 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 532 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 533         int asoutput);
 534
 535 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 536 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 537 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 538 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 539
 540 /* ----------------------------------------------------------- */
 541 /* cx23885-cards.c                                             */
 542 extern struct cx23885_board cx23885_boards[];
 543 extern const unsigned int cx23885_bcount;
 544
 545 extern struct cx23885_subid cx23885_subids[];
 546 extern const unsigned int cx23885_idcount;
 547
 548 extern int cx23885_tuner_callback(void *priv, int component,
 549         int command, int arg);
 550 extern void cx23885_card_list(struct cx23885_dev *dev);
 551 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 552 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 553 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 554 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 555 extern void cx23885_card_setup(struct cx23885_dev *dev);
 556 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 557
 558 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 559 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 560
 561 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 562                                struct cx23885_tsport *port,
 563                                struct cx23885_buffer *buf,
 564                                enum v4l2_field field);
 565 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 566                               struct cx23885_buffer *buf);
 567 extern void cx23885_free_buffer(struct videobuf_queue *q,
 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
 579 /* ----------------------------------------------------------- */
 580 /* cx23885-vbi.c                                               */
 581 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 582         struct v4l2_format *f);
 583 extern void cx23885_vbi_timeout(unsigned long data);
 584 extern struct videobuf_queue_ops cx23885_vbi_qops;
 585 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
 586         struct cx23885_dmaqueue *q);
 587 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 588
 589 /* cx23885-i2c.c                                                */
 590 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 591 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 592 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 593
 594 /* ----------------------------------------------------------- */
 595 /* cx23885-417.c                                               */
 596 extern int cx23885_417_register(struct cx23885_dev *dev);
 597 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 598 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 599 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 600 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 601 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 602 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 603 extern int mc417_register_read(struct cx23885_dev *dev,
 604                                 u16 address, u32 *value);
 605 extern int mc417_register_write(struct cx23885_dev *dev,
 606                                 u16 address, u32 value);
 607 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 608 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 609 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 610
 611 /* ----------------------------------------------------------- */
 612 /* cx23885-alsa.c                                             */
 613 extern struct cx23885_audio_dev *cx23885_audio_register(
 614                                         struct cx23885_dev *dev);
 615 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 616 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 617 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 618                                    struct btcx_riscmem *risc,
 619                                    struct scatterlist *sglist,
 620                                    unsigned int bpl,
 621                                    unsigned int lines,
 622                                    unsigned int lpi);
 623
 624 /* ----------------------------------------------------------- */
 625 /* tv norms                                                    */
 626
 627 static inline unsigned int norm_maxw(v4l2_std_id norm)
 628 {
 629         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 630 }
 631
 632 static inline unsigned int norm_maxh(v4l2_std_id norm)
 633 {
 634         return (norm & V4L2_STD_625_50) ? 576 : 480;
 635 }
 636
 637 static inline unsigned int norm_swidth(v4l2_std_id norm)
 638 {
 639         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 640 }