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
  91 #define GPIO_0 0x00000001
  92 #define GPIO_1 0x00000002
  93 #define GPIO_2 0x00000004
  94 #define GPIO_3 0x00000008
  95 #define GPIO_4 0x00000010
  96 #define GPIO_5 0x00000020
  97 #define GPIO_6 0x00000040
  98 #define GPIO_7 0x00000080
  99 #define GPIO_8 0x00000100
 100 #define GPIO_9 0x00000200
 101 #define GPIO_10 0x00000400
 102 #define GPIO_11 0x00000800
 103 #define GPIO_12 0x00001000
 104 #define GPIO_13 0x00002000
 105 #define GPIO_14 0x00004000
 106 #define GPIO_15 0x00008000
 107
 108 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 109 #define CX23885_NORMS (\
 110         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 111         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 112         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 113         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 114
 115 struct cx23885_fmt {
 116         char  *name;
 117         u32   fourcc;          /* v4l2 format id */
 118         int   depth;
 119         int   flags;
 120         u32   cxformat;
 121 };
 122
 123 struct cx23885_ctrl {
 124         struct v4l2_queryctrl v;
 125         u32                   off;
 126         u32                   reg;
 127         u32                   mask;
 128         u32                   shift;
 129 };
 130
 131 struct cx23885_tvnorm {
 132         char            *name;
 133         v4l2_std_id     id;
 134         u32             cxiformat;
 135         u32             cxoformat;
 136 };
 137
 138 struct cx23885_fh {
 139         struct cx23885_dev         *dev;
 140         enum v4l2_buf_type         type;
 141         int                        radio;
 142         u32                        resources;
 143
 144         /* video overlay */
 145         struct v4l2_window         win;
 146         struct v4l2_clip           *clips;
 147         unsigned int               nclips;
 148
 149         /* video capture */
 150         struct cx23885_fmt         *fmt;
 151         unsigned int               width, height;
 152
 153         /* vbi capture */
 154         struct videobuf_queue      vidq;
 155         struct videobuf_queue      vbiq;
 156
 157         /* MPEG Encoder specifics ONLY */
 158         struct videobuf_queue      mpegq;
 159         atomic_t                   v4l_reading;
 160 };
 161
 162 enum cx23885_itype {
 163         CX23885_VMUX_COMPOSITE1 = 1,
 164         CX23885_VMUX_COMPOSITE2,
 165         CX23885_VMUX_COMPOSITE3,
 166         CX23885_VMUX_COMPOSITE4,
 167         CX23885_VMUX_SVIDEO,
 168         CX23885_VMUX_COMPONENT,
 169         CX23885_VMUX_TELEVISION,
 170         CX23885_VMUX_CABLE,
 171         CX23885_VMUX_DVB,
 172         CX23885_VMUX_DEBUG,
 173         CX23885_RADIO,
 174 };
 175
 176 enum cx23885_src_sel_type {
 177         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 178         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 179 };
 180
 181 /* buffer for one video frame */
 182 struct cx23885_buffer {
 183         /* common v4l buffer stuff -- must be first */
 184         struct videobuf_buffer vb;
 185
 186         /* cx23885 specific */
 187         unsigned int           bpl;
 188         struct btcx_riscmem    risc;
 189         struct cx23885_fmt     *fmt;
 190         u32                    count;
 191 };
 192
 193 struct cx23885_input {
 194         enum cx23885_itype type;
 195         unsigned int    vmux;
 196         unsigned int    amux;
 197         u32             gpio0, gpio1, gpio2, gpio3;
 198 };
 199
 200 typedef enum {
 201         CX23885_MPEG_UNDEFINED = 0,
 202         CX23885_MPEG_DVB,
 203         CX23885_ANALOG_VIDEO,
 204         CX23885_MPEG_ENCODER,
 205 } port_t;
 206
 207 struct cx23885_board {
 208         char                    *name;
 209         port_t                  porta, portb, portc;
 210         int             num_fds_portb, num_fds_portc;
 211         unsigned int            tuner_type;
 212         unsigned int            radio_type;
 213         unsigned char           tuner_addr;
 214         unsigned char           radio_addr;
 215         unsigned int            tuner_bus;
 216
 217         /* Vendors can and do run the PCIe bridge at different
 218          * clock rates, driven physically by crystals on the PCBs.
 219          * The core has to accommodate this. This allows the user
 220          * to add new boards with new frequencys. The value is
 221          * expressed in Hz.
 222          *
 223          * The core framework will default this value based on
 224          * current designs, but it can vary.
 225          */
 226         u32                     clk_freq;
 227         struct cx23885_input    input[MAX_CX23885_INPUT];
 228         int                     ci_type; /* for NetUP */
 229 };
 230
 231 struct cx23885_subid {
 232         u16     subvendor;
 233         u16     subdevice;
 234         u32     card;
 235 };
 236
 237 struct cx23885_i2c {
 238         struct cx23885_dev *dev;
 239
 240         int                        nr;
 241
 242         /* i2c i/o */
 243         struct i2c_adapter         i2c_adap;
 244         struct i2c_algo_bit_data   i2c_algo;
 245         struct i2c_client          i2c_client;
 246         u32                        i2c_rc;
 247
 248         /* 885 registers used for raw addess */
 249         u32                        i2c_period;
 250         u32                        reg_ctrl;
 251         u32                        reg_stat;
 252         u32                        reg_addr;
 253         u32                        reg_rdata;
 254         u32                        reg_wdata;
 255 };
 256
 257 struct cx23885_dmaqueue {
 258         struct list_head       active;
 259         struct list_head       queued;
 260         struct timer_list      timeout;
 261         struct btcx_riscmem    stopper;
 262         u32                    count;
 263 };
 264
 265 struct cx23885_tsport {
 266         struct cx23885_dev *dev;
 267
 268         int                        nr;
 269         int                        sram_chno;
 270
 271         struct videobuf_dvb_frontends frontends;
 272
 273         /* dma queues */
 274         struct cx23885_dmaqueue    mpegq;
 275         u32                        ts_packet_size;
 276         u32                        ts_packet_count;
 277
 278         int                        width;
 279         int                        height;
 280
 281         spinlock_t                 slock;
 282
 283         /* registers */
 284         u32                        reg_gpcnt;
 285         u32                        reg_gpcnt_ctl;
 286         u32                        reg_dma_ctl;
 287         u32                        reg_lngth;
 288         u32                        reg_hw_sop_ctrl;
 289         u32                        reg_gen_ctrl;
 290         u32                        reg_bd_pkt_status;
 291         u32                        reg_sop_status;
 292         u32                        reg_fifo_ovfl_stat;
 293         u32                        reg_vld_misc;
 294         u32                        reg_ts_clk_en;
 295         u32                        reg_ts_int_msk;
 296         u32                        reg_ts_int_stat;
 297         u32                        reg_src_sel;
 298
 299         /* Default register vals */
 300         int                        pci_irqmask;
 301         u32                        dma_ctl_val;
 302         u32                        ts_int_msk_val;
 303         u32                        gen_ctrl_val;
 304         u32                        ts_clk_en_val;
 305         u32                        src_sel_val;
 306         u32                        vld_misc_val;
 307         u32                        hw_sop_ctrl_val;
 308
 309         /* Allow a single tsport to have multiple frontends */
 310         u32                        num_frontends;
 311         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 312         void                       *port_priv;
 313 };
 314
 315 struct cx23885_kernel_ir {
 316         struct cx23885_dev      *cx;
 317         char                    *name;
 318         char                    *phys;
 319
 320         struct rc_dev           *rc;
 321 };
 322
 323 struct cx23885_audio_buffer {
 324         unsigned int            bpl;
 325         struct btcx_riscmem     risc;
 326         struct videobuf_dmabuf  dma;
 327 };
 328
 329 struct cx23885_audio_dev {
 330         struct cx23885_dev      *dev;
 331
 332         struct pci_dev          *pci;
 333
 334         struct snd_card         *card;
 335
 336         spinlock_t              lock;
 337
 338         atomic_t                count;
 339
 340         unsigned int            dma_size;
 341         unsigned int            period_size;
 342         unsigned int            num_periods;
 343
 344         struct videobuf_dmabuf  *dma_risc;
 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
 355         /* pci stuff */
 356         struct pci_dev             *pci;
 357         unsigned char              pci_rev, pci_lat;
 358         int                        pci_bus, pci_slot;
 359         u32                        __iomem *lmmio;
 360         u8                         __iomem *bmmio;
 361         int                        pci_irqmask;
 362         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 363         int                        hwrevision;
 364
 365         /* This valud is board specific and is used to configure the
 366          * AV core so we see nice clean and stable video and audio. */
 367         u32                        clk_freq;
 368
 369         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 370         struct cx23885_i2c         i2c_bus[3];
 371
 372         int                        nr;
 373         struct mutex               lock;
 374         struct mutex               gpio_lock;
 375
 376         /* board details */
 377         unsigned int               board;
 378         char                       name[32];
 379
 380         struct cx23885_tsport      ts1, ts2;
 381
 382         /* sram configuration */
 383         struct sram_channel        *sram_channels;
 384
 385         enum {
 386                 CX23885_BRIDGE_UNDEFINED = 0,
 387                 CX23885_BRIDGE_885 = 885,
 388                 CX23885_BRIDGE_887 = 887,
 389                 CX23885_BRIDGE_888 = 888,
 390         } bridge;
 391
 392         /* Analog video */
 393         u32                        resources;
 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         unsigned int               has_radio;
 404         struct v4l2_subdev         *sd_cx25840;
 405         struct work_struct         cx25840_work;
 406
 407         /* Infrared */
 408         struct v4l2_subdev         *sd_ir;
 409         struct work_struct         ir_rx_work;
 410         unsigned long              ir_rx_notifications;
 411         struct work_struct         ir_tx_work;
 412         unsigned long              ir_tx_notifications;
 413
 414         struct cx23885_kernel_ir   *kernel_ir;
 415         atomic_t                   ir_input_stopping;
 416
 417         /* V4l */
 418         u32                        freq;
 419         struct video_device        *video_dev;
 420         struct video_device        *vbi_dev;
 421         struct video_device        *radio_dev;
 422
 423         struct cx23885_dmaqueue    vidq;
 424         struct cx23885_dmaqueue    vbiq;
 425         spinlock_t                 slock;
 426
 427         /* MPEG Encoder ONLY settings */
 428         u32                        cx23417_mailbox;
 429         struct cx2341x_mpeg_params mpeg_params;
 430         struct video_device        *v4l_device;
 431         atomic_t                   v4l_reader_count;
 432         struct cx23885_tvnorm      encodernorm;
 433
 434         /* Analog raw audio */
 435         struct cx23885_audio_dev   *audio_dev;
 436
 437 };
 438
 439 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 440 {
 441         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 442 }
 443
 444 #define call_all(dev, o, f, args...) \
 445         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 446
 447 #define CX23885_HW_888_IR  (1 << 0)
 448 #define CX23885_HW_AV_CORE (1 << 1)
 449
 450 #define call_hw(dev, grpid, o, f, args...) \
 451         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 452
 453 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 454
 455 #define SRAM_CH01  0 /* Video A */
 456 #define SRAM_CH02  1 /* VBI A */
 457 #define SRAM_CH03  2 /* Video B */
 458 #define SRAM_CH04  3 /* Transport via B */
 459 #define SRAM_CH05  4 /* VBI B */
 460 #define SRAM_CH06  5 /* Video C */
 461 #define SRAM_CH07  6 /* Transport via C */
 462 #define SRAM_CH08  7 /* Audio Internal A */
 463 #define SRAM_CH09  8 /* Audio Internal B */
 464 #define SRAM_CH10  9 /* Audio External */
 465 #define SRAM_CH11 10 /* COMB_3D_N */
 466 #define SRAM_CH12 11 /* Comb 3D N1 */
 467 #define SRAM_CH13 12 /* Comb 3D N2 */
 468 #define SRAM_CH14 13 /* MOE Vid */
 469 #define SRAM_CH15 14 /* MOE RSLT */
 470
 471 struct sram_channel {
 472         char *name;
 473         u32  cmds_start;
 474         u32  ctrl_start;
 475         u32  cdt;
 476         u32  fifo_start;
 477         u32  fifo_size;
 478         u32  ptr1_reg;
 479         u32  ptr2_reg;
 480         u32  cnt1_reg;
 481         u32  cnt2_reg;
 482         u32  jumponly;
 483 };
 484
 485 /* ----------------------------------------------------------- */
 486
 487 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 488 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 489
 490 #define cx_andor(reg, mask, value) \
 491   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 492   ((value) & (mask)), dev->lmmio+((reg)>>2))
 493
 494 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 495 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 496
 497 /* ----------------------------------------------------------- */
 498 /* cx23885-core.c                                              */
 499
 500 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 501         struct sram_channel *ch,
 502         unsigned int bpl, u32 risc);
 503
 504 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 505         struct sram_channel *ch);
 506
 507 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 508         u32 reg, u32 mask, u32 value);
 509
 510 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 511         struct scatterlist *sglist,
 512         unsigned int top_offset, unsigned int bottom_offset,
 513         unsigned int bpl, unsigned int padding, unsigned int lines);
 514
 515 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 516         struct btcx_riscmem *risc, struct scatterlist *sglist,
 517         unsigned int top_offset, unsigned int bottom_offset,
 518         unsigned int bpl, unsigned int padding, unsigned int lines);
 519
 520 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 521
 522 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 523                                 struct cx23885_dmaqueue *q);
 524
 525 extern void cx23885_wakeup(struct cx23885_tsport *port,
 526                            struct cx23885_dmaqueue *q, u32 count);
 527
 528 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 529 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 530 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 531 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 532         int asoutput);
 533
 534 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 535 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 536 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 537 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 538
 539 /* ----------------------------------------------------------- */
 540 /* cx23885-cards.c                                             */
 541 extern struct cx23885_board cx23885_boards[];
 542 extern const unsigned int cx23885_bcount;
 543
 544 extern struct cx23885_subid cx23885_subids[];
 545 extern const unsigned int cx23885_idcount;
 546
 547 extern int cx23885_tuner_callback(void *priv, int component,
 548         int command, int arg);
 549 extern void cx23885_card_list(struct cx23885_dev *dev);
 550 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 551 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 552 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 553 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 554 extern void cx23885_card_setup(struct cx23885_dev *dev);
 555 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 556
 557 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 558 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 559
 560 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 561                                struct cx23885_tsport *port,
 562                                struct cx23885_buffer *buf,
 563                                enum v4l2_field field);
 564 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 565                               struct cx23885_buffer *buf);
 566 extern void cx23885_free_buffer(struct videobuf_queue *q,
 567                                 struct cx23885_buffer *buf);
 568
 569 /* ----------------------------------------------------------- */
 570 /* cx23885-video.c                                             */
 571 /* Video */
 572 extern int cx23885_video_register(struct cx23885_dev *dev);
 573 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 574 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 575 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 576         struct cx23885_dmaqueue *q, u32 count);
 577
 578 /* ----------------------------------------------------------- */
 579 /* cx23885-vbi.c                                               */
 580 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 581         struct v4l2_format *f);
 582 extern void cx23885_vbi_timeout(unsigned long data);
 583 extern struct videobuf_queue_ops cx23885_vbi_qops;
 584 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
 585         struct cx23885_dmaqueue *q);
 586 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 587
 588 /* cx23885-i2c.c                                                */
 589 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 590 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 591 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 592
 593 /* ----------------------------------------------------------- */
 594 /* cx23885-417.c                                               */
 595 extern int cx23885_417_register(struct cx23885_dev *dev);
 596 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 597 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 598 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 599 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 600 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 601 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 602 extern int mc417_register_read(struct cx23885_dev *dev,
 603                                 u16 address, u32 *value);
 604 extern int mc417_register_write(struct cx23885_dev *dev,
 605                                 u16 address, u32 value);
 606 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 607 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 608 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 609
 610 /* ----------------------------------------------------------- */
 611 /* cx23885-alsa.c                                             */
 612 extern struct cx23885_audio_dev *cx23885_audio_register(
 613                                         struct cx23885_dev *dev);
 614 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 615 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 616 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 617                                    struct btcx_riscmem *risc,
 618                                    struct scatterlist *sglist,
 619                                    unsigned int bpl,
 620                                    unsigned int lines,
 621                                    unsigned int lpi);
 622
 623 /* ----------------------------------------------------------- */
 624 /* tv norms                                                    */
 625
 626 static inline unsigned int norm_maxw(v4l2_std_id norm)
 627 {
 628         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 629 }
 630
 631 static inline unsigned int norm_maxh(v4l2_std_id norm)
 632 {
 633         return (norm & V4L2_STD_625_50) ? 576 : 480;
 634 }
 635
 636 static inline unsigned int norm_swidth(v4l2_std_id norm)
 637 {
 638         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 639 }