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 #define CX23885_BOARD_AVERMEDIA_HC81R          39
  96 #define CX23885_BOARD_TBS_6981                 40
  97 #define CX23885_BOARD_TBS_6980                 41
  98 #define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
  99
 100 #define GPIO_0 0x00000001
 101 #define GPIO_1 0x00000002
 102 #define GPIO_2 0x00000004
 103 #define GPIO_3 0x00000008
 104 #define GPIO_4 0x00000010
 105 #define GPIO_5 0x00000020
 106 #define GPIO_6 0x00000040
 107 #define GPIO_7 0x00000080
 108 #define GPIO_8 0x00000100
 109 #define GPIO_9 0x00000200
 110 #define GPIO_10 0x00000400
 111 #define GPIO_11 0x00000800
 112 #define GPIO_12 0x00001000
 113 #define GPIO_13 0x00002000
 114 #define GPIO_14 0x00004000
 115 #define GPIO_15 0x00008000
 116
 117 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 118 #define CX23885_NORMS (\
 119         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 120         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 121         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 122         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 123
 124 struct cx23885_fmt {
 125         char  *name;
 126         u32   fourcc;          /* v4l2 format id */
 127         int   depth;
 128         int   flags;
 129         u32   cxformat;
 130 };
 131
 132 struct cx23885_ctrl {
 133         struct v4l2_queryctrl v;
 134         u32                   off;
 135         u32                   reg;
 136         u32                   mask;
 137         u32                   shift;
 138 };
 139
 140 struct cx23885_tvnorm {
 141         char            *name;
 142         v4l2_std_id     id;
 143         u32             cxiformat;
 144         u32             cxoformat;
 145 };
 146
 147 struct cx23885_fh {
 148         struct cx23885_dev         *dev;
 149         enum v4l2_buf_type         type;
 150         int                        radio;
 151         u32                        resources;
 152
 153         /* video overlay */
 154         struct v4l2_window         win;
 155         struct v4l2_clip           *clips;
 156         unsigned int               nclips;
 157
 158         /* video capture */
 159         struct cx23885_fmt         *fmt;
 160         unsigned int               width, height;
 161
 162         /* vbi capture */
 163         struct videobuf_queue      vidq;
 164         struct videobuf_queue      vbiq;
 165
 166         /* MPEG Encoder specifics ONLY */
 167         struct videobuf_queue      mpegq;
 168         atomic_t                   v4l_reading;
 169 };
 170
 171 enum cx23885_itype {
 172         CX23885_VMUX_COMPOSITE1 = 1,
 173         CX23885_VMUX_COMPOSITE2,
 174         CX23885_VMUX_COMPOSITE3,
 175         CX23885_VMUX_COMPOSITE4,
 176         CX23885_VMUX_SVIDEO,
 177         CX23885_VMUX_COMPONENT,
 178         CX23885_VMUX_TELEVISION,
 179         CX23885_VMUX_CABLE,
 180         CX23885_VMUX_DVB,
 181         CX23885_VMUX_DEBUG,
 182         CX23885_RADIO,
 183 };
 184
 185 enum cx23885_src_sel_type {
 186         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 187         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 188 };
 189
 190 /* buffer for one video frame */
 191 struct cx23885_buffer {
 192         /* common v4l buffer stuff -- must be first */
 193         struct videobuf_buffer vb;
 194
 195         /* cx23885 specific */
 196         unsigned int           bpl;
 197         struct btcx_riscmem    risc;
 198         struct cx23885_fmt     *fmt;
 199         u32                    count;
 200 };
 201
 202 struct cx23885_input {
 203         enum cx23885_itype type;
 204         unsigned int    vmux;
 205         unsigned int    amux;
 206         u32             gpio0, gpio1, gpio2, gpio3;
 207 };
 208
 209 typedef enum {
 210         CX23885_MPEG_UNDEFINED = 0,
 211         CX23885_MPEG_DVB,
 212         CX23885_ANALOG_VIDEO,
 213         CX23885_MPEG_ENCODER,
 214 } port_t;
 215
 216 struct cx23885_board {
 217         char                    *name;
 218         port_t                  porta, portb, portc;
 219         int             num_fds_portb, num_fds_portc;
 220         unsigned int            tuner_type;
 221         unsigned int            radio_type;
 222         unsigned char           tuner_addr;
 223         unsigned char           radio_addr;
 224         unsigned int            tuner_bus;
 225
 226         /* Vendors can and do run the PCIe bridge at different
 227          * clock rates, driven physically by crystals on the PCBs.
 228          * The core has to accommodate this. This allows the user
 229          * to add new boards with new frequencys. The value is
 230          * expressed in Hz.
 231          *
 232          * The core framework will default this value based on
 233          * current designs, but it can vary.
 234          */
 235         u32                     clk_freq;
 236         struct cx23885_input    input[MAX_CX23885_INPUT];
 237         int                     ci_type; /* for NetUP */
 238         /* Force bottom field first during DMA (888 workaround) */
 239         u32                     force_bff;
 240 };
 241
 242 struct cx23885_subid {
 243         u16     subvendor;
 244         u16     subdevice;
 245         u32     card;
 246 };
 247
 248 struct cx23885_i2c {
 249         struct cx23885_dev *dev;
 250
 251         int                        nr;
 252
 253         /* i2c i/o */
 254         struct i2c_adapter         i2c_adap;
 255         struct i2c_client          i2c_client;
 256         u32                        i2c_rc;
 257
 258         /* 885 registers used for raw addess */
 259         u32                        i2c_period;
 260         u32                        reg_ctrl;
 261         u32                        reg_stat;
 262         u32                        reg_addr;
 263         u32                        reg_rdata;
 264         u32                        reg_wdata;
 265 };
 266
 267 struct cx23885_dmaqueue {
 268         struct list_head       active;
 269         struct list_head       queued;
 270         struct timer_list      timeout;
 271         struct btcx_riscmem    stopper;
 272         u32                    count;
 273 };
 274
 275 struct cx23885_tsport {
 276         struct cx23885_dev *dev;
 277
 278         int                        nr;
 279         int                        sram_chno;
 280
 281         struct videobuf_dvb_frontends frontends;
 282
 283         /* dma queues */
 284         struct cx23885_dmaqueue    mpegq;
 285         u32                        ts_packet_size;
 286         u32                        ts_packet_count;
 287
 288         int                        width;
 289         int                        height;
 290
 291         spinlock_t                 slock;
 292
 293         /* registers */
 294         u32                        reg_gpcnt;
 295         u32                        reg_gpcnt_ctl;
 296         u32                        reg_dma_ctl;
 297         u32                        reg_lngth;
 298         u32                        reg_hw_sop_ctrl;
 299         u32                        reg_gen_ctrl;
 300         u32                        reg_bd_pkt_status;
 301         u32                        reg_sop_status;
 302         u32                        reg_fifo_ovfl_stat;
 303         u32                        reg_vld_misc;
 304         u32                        reg_ts_clk_en;
 305         u32                        reg_ts_int_msk;
 306         u32                        reg_ts_int_stat;
 307         u32                        reg_src_sel;
 308
 309         /* Default register vals */
 310         int                        pci_irqmask;
 311         u32                        dma_ctl_val;
 312         u32                        ts_int_msk_val;
 313         u32                        gen_ctrl_val;
 314         u32                        ts_clk_en_val;
 315         u32                        src_sel_val;
 316         u32                        vld_misc_val;
 317         u32                        hw_sop_ctrl_val;
 318
 319         /* Allow a single tsport to have multiple frontends */
 320         u32                        num_frontends;
 321         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
 322         void                       *port_priv;
 323
 324         /* Workaround for a temp dvb_frontend that the tuner can attached to */
 325         struct dvb_frontend analog_fe;
 326
 327         int (*set_frontend)(struct dvb_frontend *fe);
 328 };
 329
 330 struct cx23885_kernel_ir {
 331         struct cx23885_dev      *cx;
 332         char                    *name;
 333         char                    *phys;
 334
 335         struct rc_dev           *rc;
 336 };
 337
 338 struct cx23885_audio_buffer {
 339         unsigned int            bpl;
 340         struct btcx_riscmem     risc;
 341         struct videobuf_dmabuf  dma;
 342 };
 343
 344 struct cx23885_audio_dev {
 345         struct cx23885_dev      *dev;
 346
 347         struct pci_dev          *pci;
 348
 349         struct snd_card         *card;
 350
 351         spinlock_t              lock;
 352
 353         atomic_t                count;
 354
 355         unsigned int            dma_size;
 356         unsigned int            period_size;
 357         unsigned int            num_periods;
 358
 359         struct videobuf_dmabuf  *dma_risc;
 360
 361         struct cx23885_audio_buffer   *buf;
 362
 363         struct snd_pcm_substream *substream;
 364 };
 365
 366 struct cx23885_dev {
 367         atomic_t                   refcount;
 368         struct v4l2_device         v4l2_dev;
 369
 370         /* pci stuff */
 371         struct pci_dev             *pci;
 372         unsigned char              pci_rev, pci_lat;
 373         int                        pci_bus, pci_slot;
 374         u32                        __iomem *lmmio;
 375         u8                         __iomem *bmmio;
 376         int                        pci_irqmask;
 377         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 378         int                        hwrevision;
 379
 380         /* This valud is board specific and is used to configure the
 381          * AV core so we see nice clean and stable video and audio. */
 382         u32                        clk_freq;
 383
 384         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 385         struct cx23885_i2c         i2c_bus[3];
 386
 387         int                        nr;
 388         struct mutex               lock;
 389         struct mutex               gpio_lock;
 390
 391         /* board details */
 392         unsigned int               board;
 393         char                       name[32];
 394
 395         struct cx23885_tsport      ts1, ts2;
 396
 397         /* sram configuration */
 398         struct sram_channel        *sram_channels;
 399
 400         enum {
 401                 CX23885_BRIDGE_UNDEFINED = 0,
 402                 CX23885_BRIDGE_885 = 885,
 403                 CX23885_BRIDGE_887 = 887,
 404                 CX23885_BRIDGE_888 = 888,
 405         } bridge;
 406
 407         /* Analog video */
 408         u32                        resources;
 409         unsigned int               input;
 410         unsigned int               audinput; /* Selectable audio input */
 411         u32                        tvaudio;
 412         v4l2_std_id                tvnorm;
 413         unsigned int               tuner_type;
 414         unsigned char              tuner_addr;
 415         unsigned int               tuner_bus;
 416         unsigned int               radio_type;
 417         unsigned char              radio_addr;
 418         unsigned int               has_radio;
 419         struct v4l2_subdev         *sd_cx25840;
 420         struct work_struct         cx25840_work;
 421
 422         /* Infrared */
 423         struct v4l2_subdev         *sd_ir;
 424         struct work_struct         ir_rx_work;
 425         unsigned long              ir_rx_notifications;
 426         struct work_struct         ir_tx_work;
 427         unsigned long              ir_tx_notifications;
 428
 429         struct cx23885_kernel_ir   *kernel_ir;
 430         atomic_t                   ir_input_stopping;
 431
 432         /* V4l */
 433         u32                        freq;
 434         struct video_device        *video_dev;
 435         struct video_device        *vbi_dev;
 436         struct video_device        *radio_dev;
 437
 438         struct cx23885_dmaqueue    vidq;
 439         struct cx23885_dmaqueue    vbiq;
 440         spinlock_t                 slock;
 441
 442         /* MPEG Encoder ONLY settings */
 443         u32                        cx23417_mailbox;
 444         struct cx2341x_mpeg_params mpeg_params;
 445         struct video_device        *v4l_device;
 446         atomic_t                   v4l_reader_count;
 447         struct cx23885_tvnorm      encodernorm;
 448
 449         /* Analog raw audio */
 450         struct cx23885_audio_dev   *audio_dev;
 451
 452 };
 453
 454 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 455 {
 456         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 457 }
 458
 459 #define call_all(dev, o, f, args...) \
 460         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 461
 462 #define CX23885_HW_888_IR  (1 << 0)
 463 #define CX23885_HW_AV_CORE (1 << 1)
 464
 465 #define call_hw(dev, grpid, o, f, args...) \
 466         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 467
 468 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 469
 470 #define SRAM_CH01  0 /* Video A */
 471 #define SRAM_CH02  1 /* VBI A */
 472 #define SRAM_CH03  2 /* Video B */
 473 #define SRAM_CH04  3 /* Transport via B */
 474 #define SRAM_CH05  4 /* VBI B */
 475 #define SRAM_CH06  5 /* Video C */
 476 #define SRAM_CH07  6 /* Transport via C */
 477 #define SRAM_CH08  7 /* Audio Internal A */
 478 #define SRAM_CH09  8 /* Audio Internal B */
 479 #define SRAM_CH10  9 /* Audio External */
 480 #define SRAM_CH11 10 /* COMB_3D_N */
 481 #define SRAM_CH12 11 /* Comb 3D N1 */
 482 #define SRAM_CH13 12 /* Comb 3D N2 */
 483 #define SRAM_CH14 13 /* MOE Vid */
 484 #define SRAM_CH15 14 /* MOE RSLT */
 485
 486 struct sram_channel {
 487         char *name;
 488         u32  cmds_start;
 489         u32  ctrl_start;
 490         u32  cdt;
 491         u32  fifo_start;
 492         u32  fifo_size;
 493         u32  ptr1_reg;
 494         u32  ptr2_reg;
 495         u32  cnt1_reg;
 496         u32  cnt2_reg;
 497         u32  jumponly;
 498 };
 499
 500 /* ----------------------------------------------------------- */
 501
 502 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 503 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 504
 505 #define cx_andor(reg, mask, value) \
 506   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 507   ((value) & (mask)), dev->lmmio+((reg)>>2))
 508
 509 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 510 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 511
 512 /* ----------------------------------------------------------- */
 513 /* cx23885-core.c                                              */
 514
 515 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 516         struct sram_channel *ch,
 517         unsigned int bpl, u32 risc);
 518
 519 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 520         struct sram_channel *ch);
 521
 522 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 523         u32 reg, u32 mask, u32 value);
 524
 525 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 526         struct scatterlist *sglist,
 527         unsigned int top_offset, unsigned int bottom_offset,
 528         unsigned int bpl, unsigned int padding, unsigned int lines);
 529
 530 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
 531         struct btcx_riscmem *risc, struct scatterlist *sglist,
 532         unsigned int top_offset, unsigned int bottom_offset,
 533         unsigned int bpl, unsigned int padding, unsigned int lines);
 534
 535 void cx23885_cancel_buffers(struct cx23885_tsport *port);
 536
 537 extern int cx23885_restart_queue(struct cx23885_tsport *port,
 538                                 struct cx23885_dmaqueue *q);
 539
 540 extern void cx23885_wakeup(struct cx23885_tsport *port,
 541                            struct cx23885_dmaqueue *q, u32 count);
 542
 543 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 544 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 545 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 546 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 547         int asoutput);
 548
 549 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 550 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 551 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 552 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 553
 554 /* ----------------------------------------------------------- */
 555 /* cx23885-cards.c                                             */
 556 extern struct cx23885_board cx23885_boards[];
 557 extern const unsigned int cx23885_bcount;
 558
 559 extern struct cx23885_subid cx23885_subids[];
 560 extern const unsigned int cx23885_idcount;
 561
 562 extern int cx23885_tuner_callback(void *priv, int component,
 563         int command, int arg);
 564 extern void cx23885_card_list(struct cx23885_dev *dev);
 565 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 566 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 567 extern void cx23885_ir_fini(struct cx23885_dev *dev);
 568 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 569 extern void cx23885_card_setup(struct cx23885_dev *dev);
 570 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 571
 572 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 573 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 574
 575 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 576                                struct cx23885_tsport *port,
 577                                struct cx23885_buffer *buf,
 578                                enum v4l2_field field);
 579 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 580                               struct cx23885_buffer *buf);
 581 extern void cx23885_free_buffer(struct videobuf_queue *q,
 582                                 struct cx23885_buffer *buf);
 583
 584 /* ----------------------------------------------------------- */
 585 /* cx23885-video.c                                             */
 586 /* Video */
 587 extern int cx23885_video_register(struct cx23885_dev *dev);
 588 extern void cx23885_video_unregister(struct cx23885_dev *dev);
 589 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 590 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
 591         struct cx23885_dmaqueue *q, u32 count);
 592 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
 593 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
 594 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
 595 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
 596 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
 597 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
 598 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 599
 600 /* ----------------------------------------------------------- */
 601 /* cx23885-vbi.c                                               */
 602 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 603         struct v4l2_format *f);
 604 extern void cx23885_vbi_timeout(unsigned long data);
 605 extern struct videobuf_queue_ops cx23885_vbi_qops;
 606 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
 607         struct cx23885_dmaqueue *q);
 608 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 609
 610 /* cx23885-i2c.c                                                */
 611 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 612 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 613 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 614
 615 /* ----------------------------------------------------------- */
 616 /* cx23885-417.c                                               */
 617 extern int cx23885_417_register(struct cx23885_dev *dev);
 618 extern void cx23885_417_unregister(struct cx23885_dev *dev);
 619 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 620 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 621 extern void cx23885_mc417_init(struct cx23885_dev *dev);
 622 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 623 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 624 extern int mc417_register_read(struct cx23885_dev *dev,
 625                                 u16 address, u32 *value);
 626 extern int mc417_register_write(struct cx23885_dev *dev,
 627                                 u16 address, u32 value);
 628 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 629 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 630 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 631
 632 /* ----------------------------------------------------------- */
 633 /* cx23885-alsa.c                                             */
 634 extern struct cx23885_audio_dev *cx23885_audio_register(
 635                                         struct cx23885_dev *dev);
 636 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
 637 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
 638 extern int cx23885_risc_databuffer(struct pci_dev *pci,
 639                                    struct btcx_riscmem *risc,
 640                                    struct scatterlist *sglist,
 641                                    unsigned int bpl,
 642                                    unsigned int lines,
 643                                    unsigned int lpi);
 644
 645 /* ----------------------------------------------------------- */
 646 /* tv norms                                                    */
 647
 648 static inline unsigned int norm_maxw(v4l2_std_id norm)
 649 {
 650         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 651 }
 652
 653 static inline unsigned int norm_maxh(v4l2_std_id norm)
 654 {
 655         return (norm & V4L2_STD_625_50) ? 576 : 480;
 656 }
 657
 658 static inline unsigned int norm_swidth(v4l2_std_id norm)
 659 {
 660         return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 661 }