LXR linux/drivers/media/pci/cx88/cx88.h

   1/*
   2 *
   3 * v4l2 device driver for cx2388x based TV cards
   4 *
   5 * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License as published by
   9 *  the Free Software Foundation; either version 2 of the License, or
  10 *  (at your option) any later version.
  11 *
  12 *  This program is distributed in the hope that it will be useful,
  13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  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/videodev2.h>
  26#include <linux/kdev_t.h>
  27
  28#include <media/v4l2-device.h>
  29#include <media/v4l2-fh.h>
  30#include <media/tuner.h>
  31#include <media/tveeprom.h>
  32#include <media/videobuf-dma-sg.h>
  33#include <media/v4l2-chip-ident.h>
  34#include <media/cx2341x.h>
  35#include <media/videobuf-dvb.h>
  36#include <media/ir-kbd-i2c.h>
  37#include <media/wm8775.h>
  38
  39#include "btcx-risc.h"
  40#include "cx88-reg.h"
  41#include "tuner-xc2028.h"
  42
  43#include <linux/mutex.h>
  44
  45#define CX88_VERSION "0.0.9"
  46
  47#define UNSET (-1U)
  48
  49#define CX88_MAXBOARDS 8
  50
  51/* Max number of inputs by card */
  52#define MAX_CX88_INPUT 8
  53
  54/* ----------------------------------------------------------- */
  55/* defines and enums                                           */
  56
  57/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
  58#define CX88_NORMS (V4L2_STD_ALL                \
  59                    & ~V4L2_STD_PAL_H           \
  60                    & ~V4L2_STD_NTSC_M_KR       \
  61                    & ~V4L2_STD_SECAM_LC)
  62
  63#define FORMAT_FLAGS_PACKED       0x01
  64#define FORMAT_FLAGS_PLANAR       0x02
  65
  66#define VBI_LINE_COUNT              17
  67#define VBI_LINE_LENGTH           2048
  68
  69#define AUD_RDS_LINES                4
  70
  71/* need "shadow" registers for some write-only ones ... */
  72#define SHADOW_AUD_VOL_CTL           1
  73#define SHADOW_AUD_BAL_CTL           2
  74#define SHADOW_MAX                   3
  75
  76/* FM Radio deemphasis type */
  77enum cx88_deemph_type {
  78        FM_NO_DEEMPH = 0,
  79        FM_DEEMPH_50,
  80        FM_DEEMPH_75
  81};
  82
  83enum cx88_board_type {
  84        CX88_BOARD_NONE = 0,
  85        CX88_MPEG_DVB,
  86        CX88_MPEG_BLACKBIRD
  87};
  88
  89enum cx8802_board_access {
  90        CX8802_DRVCTL_SHARED    = 1,
  91        CX8802_DRVCTL_EXCLUSIVE = 2,
  92};
  93
  94/* ----------------------------------------------------------- */
  95/* tv norms                                                    */
  96
  97static inline unsigned int norm_maxw(v4l2_std_id norm)
  98{
  99        return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 100}
 101
 102
 103static inline unsigned int norm_maxh(v4l2_std_id norm)
 104{
 105        return (norm & V4L2_STD_625_50) ? 576 : 480;
 106}
 107
 108/* ----------------------------------------------------------- */
 109/* static data                                                 */
 110
 111struct cx8800_fmt {
 112        const char  *name;
 113        u32   fourcc;          /* v4l2 format id */
 114        int   depth;
 115        int   flags;
 116        u32   cxformat;
 117};
 118
 119/* ----------------------------------------------------------- */
 120/* SRAM memory management data (see cx88-core.c)               */
 121
 122#define SRAM_CH21 0   /* video */
 123#define SRAM_CH22 1
 124#define SRAM_CH23 2
 125#define SRAM_CH24 3   /* vbi   */
 126#define SRAM_CH25 4   /* audio */
 127#define SRAM_CH26 5
 128#define SRAM_CH28 6   /* mpeg */
 129#define SRAM_CH27 7   /* audio rds */
 130/* more */
 131
 132struct sram_channel {
 133        const char *name;
 134        u32  cmds_start;
 135        u32  ctrl_start;
 136        u32  cdt;
 137        u32  fifo_start;
 138        u32  fifo_size;
 139        u32  ptr1_reg;
 140        u32  ptr2_reg;
 141        u32  cnt1_reg;
 142        u32  cnt2_reg;
 143};
 144extern const struct sram_channel cx88_sram_channels[];
 145
 146/* ----------------------------------------------------------- */
 147/* card configuration                                          */
 148
 149#define CX88_BOARD_NOAUTO               UNSET
 150#define CX88_BOARD_UNKNOWN                  0
 151#define CX88_BOARD_HAUPPAUGE                1
 152#define CX88_BOARD_GDI                      2
 153#define CX88_BOARD_PIXELVIEW                3
 154#define CX88_BOARD_ATI_WONDER_PRO           4
 155#define CX88_BOARD_WINFAST2000XP_EXPERT     5
 156#define CX88_BOARD_AVERTV_STUDIO_303        6
 157#define CX88_BOARD_MSI_TVANYWHERE_MASTER    7
 158#define CX88_BOARD_WINFAST_DV2000           8
 159#define CX88_BOARD_LEADTEK_PVR2000          9
 160#define CX88_BOARD_IODATA_GVVCP3PCI        10
 161#define CX88_BOARD_PROLINK_PLAYTVPVR       11
 162#define CX88_BOARD_ASUS_PVR_416            12
 163#define CX88_BOARD_MSI_TVANYWHERE          13
 164#define CX88_BOARD_KWORLD_DVB_T            14
 165#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
 166#define CX88_BOARD_KWORLD_LTV883           16
 167#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q  17
 168#define CX88_BOARD_HAUPPAUGE_DVB_T1        18
 169#define CX88_BOARD_CONEXANT_DVB_T1         19
 170#define CX88_BOARD_PROVIDEO_PV259          20
 171#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
 172#define CX88_BOARD_PCHDTV_HD3000           22
 173#define CX88_BOARD_DNTV_LIVE_DVB_T         23
 174#define CX88_BOARD_HAUPPAUGE_ROSLYN        24
 175#define CX88_BOARD_DIGITALLOGIC_MEC        25
 176#define CX88_BOARD_IODATA_GVBCTV7E         26
 177#define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
 178#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T  28
 179#define CX88_BOARD_ADSTECH_DVB_T_PCI          29
 180#define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1  30
 181#define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
 182#define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
 183#define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
 184#define CX88_BOARD_ATI_HDTVWONDER          34
 185#define CX88_BOARD_WINFAST_DTV1000         35
 186#define CX88_BOARD_AVERTV_303              36
 187#define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1  37
 188#define CX88_BOARD_HAUPPAUGE_NOVASE2_S1    38
 189#define CX88_BOARD_KWORLD_DVBS_100         39
 190#define CX88_BOARD_HAUPPAUGE_HVR1100       40
 191#define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
 192#define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
 193#define CX88_BOARD_KWORLD_DVB_T_CX22702    43
 194#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
 195#define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
 196#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
 197#define CX88_BOARD_PCHDTV_HD5500           47
 198#define CX88_BOARD_KWORLD_MCE200_DELUXE    48
 199#define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
 200#define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
 201#define CX88_BOARD_WINFAST_DTV2000H        51
 202#define CX88_BOARD_GENIATECH_DVBS          52
 203#define CX88_BOARD_HAUPPAUGE_HVR3000       53
 204#define CX88_BOARD_NORWOOD_MICRO           54
 205#define CX88_BOARD_TE_DTV_250_OEM_SWANN    55
 206#define CX88_BOARD_HAUPPAUGE_HVR1300       56
 207#define CX88_BOARD_ADSTECH_PTV_390         57
 208#define CX88_BOARD_PINNACLE_PCTV_HD_800i   58
 209#define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
 210#define CX88_BOARD_PINNACLE_HYBRID_PCTV    60
 211#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
 212#define CX88_BOARD_POWERCOLOR_REAL_ANGEL   62
 213#define CX88_BOARD_GENIATECH_X8000_MT      63
 214#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
 215#define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
 216#define CX88_BOARD_PROLINK_PV_8000GT       66
 217#define CX88_BOARD_KWORLD_ATSC_120         67
 218#define CX88_BOARD_HAUPPAUGE_HVR4000       68
 219#define CX88_BOARD_HAUPPAUGE_HVR4000LITE   69
 220#define CX88_BOARD_TEVII_S460              70
 221#define CX88_BOARD_OMICOM_SS4_PCI          71
 222#define CX88_BOARD_TBS_8920                72
 223#define CX88_BOARD_TEVII_S420              73
 224#define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
 225#define CX88_BOARD_PROF_7300               75
 226#define CX88_BOARD_SATTRADE_ST4200         76
 227#define CX88_BOARD_TBS_8910                77
 228#define CX88_BOARD_PROF_6200               78
 229#define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
 230#define CX88_BOARD_HAUPPAUGE_IRONLY        80
 231#define CX88_BOARD_WINFAST_DTV1800H        81
 232#define CX88_BOARD_WINFAST_DTV2000H_J      82
 233#define CX88_BOARD_PROF_7301               83
 234#define CX88_BOARD_SAMSUNG_SMT_7020        84
 235#define CX88_BOARD_TWINHAN_VP1027_DVBS     85
 236#define CX88_BOARD_TEVII_S464              86
 237#define CX88_BOARD_WINFAST_DTV2000H_PLUS   87
 238#define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
 239#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
 240#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
 241
 242enum cx88_itype {
 243        CX88_VMUX_COMPOSITE1 = 1,
 244        CX88_VMUX_COMPOSITE2,
 245        CX88_VMUX_COMPOSITE3,
 246        CX88_VMUX_COMPOSITE4,
 247        CX88_VMUX_SVIDEO,
 248        CX88_VMUX_TELEVISION,
 249        CX88_VMUX_CABLE,
 250        CX88_VMUX_DVB,
 251        CX88_VMUX_DEBUG,
 252        CX88_RADIO,
 253};
 254
 255struct cx88_input {
 256        enum cx88_itype type;
 257        u32             gpio0, gpio1, gpio2, gpio3;
 258        unsigned int    vmux:2;
 259        unsigned int    audioroute:4;
 260};
 261
 262struct cx88_board {
 263        const char              *name;
 264        unsigned int            tuner_type;
 265        unsigned int            radio_type;
 266        unsigned char           tuner_addr;
 267        unsigned char           radio_addr;
 268        int                     tda9887_conf;
 269        struct cx88_input       input[MAX_CX88_INPUT];
 270        struct cx88_input       radio;
 271        enum cx88_board_type    mpeg;
 272        unsigned int            audio_chip;
 273        int                     num_frontends;
 274
 275        /* Used for I2S devices */
 276        int                     i2sinputcntl;
 277};
 278
 279struct cx88_subid {
 280        u16     subvendor;
 281        u16     subdevice;
 282        u32     card;
 283};
 284
 285enum cx88_tvaudio {
 286        WW_NONE = 1,
 287        WW_BTSC,
 288        WW_BG,
 289        WW_DK,
 290        WW_I,
 291        WW_L,
 292        WW_EIAJ,
 293        WW_I2SPT,
 294        WW_FM,
 295        WW_I2SADC,
 296        WW_M
 297};
 298
 299#define INPUT(nr) (core->board.input[nr])
 300
 301/* ----------------------------------------------------------- */
 302/* device / file handle status                                 */
 303
 304#define RESOURCE_OVERLAY       1
 305#define RESOURCE_VIDEO         2
 306#define RESOURCE_VBI           4
 307
 308#define BUFFER_TIMEOUT     msecs_to_jiffies(2000)
 309
 310/* buffer for one video frame */
 311struct cx88_buffer {
 312        /* common v4l buffer stuff -- must be first */
 313        struct videobuf_buffer vb;
 314
 315        /* cx88 specific */
 316        unsigned int           bpl;
 317        struct btcx_riscmem    risc;
 318        const struct cx8800_fmt *fmt;
 319        u32                    count;
 320};
 321
 322struct cx88_dmaqueue {
 323        struct list_head       active;
 324        struct list_head       queued;
 325        struct timer_list      timeout;
 326        struct btcx_riscmem    stopper;
 327        u32                    count;
 328};
 329
 330struct cx88_core {
 331        struct list_head           devlist;
 332        atomic_t                   refcount;
 333
 334        /* board name */
 335        int                        nr;
 336        char                       name[32];
 337        u32                        model;
 338
 339        /* pci stuff */
 340        int                        pci_bus;
 341        int                        pci_slot;
 342        u32                        __iomem *lmmio;
 343        u8                         __iomem *bmmio;
 344        u32                        shadow[SHADOW_MAX];
 345        int                        pci_irqmask;
 346
 347        /* i2c i/o */
 348        struct i2c_adapter         i2c_adap;
 349        struct i2c_algo_bit_data   i2c_algo;
 350        struct i2c_client          i2c_client;
 351        u32                        i2c_state, i2c_rc;
 352
 353        /* config info -- analog */
 354        struct v4l2_device         v4l2_dev;
 355        struct v4l2_ctrl_handler   video_hdl;
 356        struct v4l2_ctrl           *chroma_agc;
 357        struct v4l2_ctrl_handler   audio_hdl;
 358        struct v4l2_subdev         *sd_wm8775;
 359        struct i2c_client          *i2c_rtc;
 360        unsigned int               boardnr;
 361        struct cx88_board          board;
 362
 363        /* Supported V4L _STD_ tuner formats */
 364        unsigned int               tuner_formats;
 365
 366        /* config info -- dvb */
 367#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
 368        int                        (*prev_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
 369#endif
 370        void                       (*gate_ctrl)(struct cx88_core  *core, int open);
 371
 372        /* state info */
 373        struct task_struct         *kthread;
 374        v4l2_std_id                tvnorm;
 375        enum cx88_tvaudio          tvaudio;
 376        u32                        audiomode_manual;
 377        u32                        audiomode_current;
 378        u32                        input;
 379        u32                        last_analog_input;
 380        u32                        astat;
 381        u32                        use_nicam;
 382        unsigned long              last_change;
 383
 384        /* IR remote control state */
 385        struct cx88_IR             *ir;
 386
 387        /* I2C remote data */
 388        struct IR_i2c_init_data    init_data;
 389        struct wm8775_platform_data wm8775_data;
 390
 391        struct mutex               lock;
 392        /* various v4l controls */
 393        u32                        freq;
 394        int                        users;
 395        int                        mpeg_users;
 396
 397        /* cx88-video needs to access cx8802 for hybrid tuner pll access. */
 398        struct cx8802_dev          *dvbdev;
 399        enum cx88_board_type       active_type_id;
 400        int                        active_ref;
 401        int                        active_fe_id;
 402};
 403
 404static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
 405{
 406        return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
 407}
 408
 409#define call_hw(core, grpid, o, f, args...) \
 410        do {                                                    \
 411                if (!core->i2c_rc) {                            \
 412                        if (core->gate_ctrl)                    \
 413                                core->gate_ctrl(core, 1);       \
 414                        v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
 415                        if (core->gate_ctrl)                    \
 416                                core->gate_ctrl(core, 0);       \
 417                }                                               \
 418        } while (0)
 419
 420#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
 421
 422#define WM8775_GID      (1 << 0)
 423
 424#define wm8775_s_ctrl(core, id, val) \
 425        do {                                                                    \
 426                struct v4l2_ctrl *ctrl_ =                                       \
 427                        v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);      \
 428                if (ctrl_ && !core->i2c_rc) {                                   \
 429                        if (core->gate_ctrl)                                    \
 430                                core->gate_ctrl(core, 1);                       \
 431                        v4l2_ctrl_s_ctrl(ctrl_, val);                           \
 432                        if (core->gate_ctrl)                                    \
 433                                core->gate_ctrl(core, 0);                       \
 434                }                                                               \
 435        } while (0)
 436
 437#define wm8775_g_ctrl(core, id) \
 438        ({                                                                      \
 439                struct v4l2_ctrl *ctrl_ =                                       \
 440                        v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);      \
 441                s32 val = 0;                                                    \
 442                if (ctrl_ && !core->i2c_rc) {                                   \
 443                        if (core->gate_ctrl)                                    \
 444                                core->gate_ctrl(core, 1);                       \
 445                        val = v4l2_ctrl_g_ctrl(ctrl_);                          \
 446                        if (core->gate_ctrl)                                    \
 447                                core->gate_ctrl(core, 0);                       \
 448                }                                                               \
 449                val;                                                            \
 450        })
 451
 452struct cx8800_dev;
 453struct cx8802_dev;
 454
 455/* ----------------------------------------------------------- */
 456/* function 0: video stuff                                     */
 457
 458struct cx8800_fh {
 459        struct v4l2_fh             fh;
 460        struct cx8800_dev          *dev;
 461        unsigned int               resources;
 462
 463        /* video capture */
 464        struct videobuf_queue      vidq;
 465
 466        /* vbi capture */
 467        struct videobuf_queue      vbiq;
 468};
 469
 470struct cx8800_suspend_state {
 471        int                        disabled;
 472};
 473
 474struct cx8800_dev {
 475        struct cx88_core           *core;
 476        spinlock_t                 slock;
 477
 478        /* various device info */
 479        unsigned int               resources;
 480        struct video_device        *video_dev;
 481        struct video_device        *vbi_dev;
 482        struct video_device        *radio_dev;
 483
 484        /* pci i/o */
 485        struct pci_dev             *pci;
 486        unsigned char              pci_rev,pci_lat;
 487
 488        const struct cx8800_fmt    *fmt;
 489        unsigned int               width, height;
 490
 491        /* capture queues */
 492        struct cx88_dmaqueue       vidq;
 493        struct cx88_dmaqueue       vbiq;
 494
 495        /* various v4l controls */
 496
 497        /* other global state info */
 498        struct cx8800_suspend_state state;
 499};
 500
 501/* ----------------------------------------------------------- */
 502/* function 1: audio/alsa stuff                                */
 503/* =============> moved to cx88-alsa.c <====================== */
 504
 505
 506/* ----------------------------------------------------------- */
 507/* function 2: mpeg stuff                                      */
 508
 509struct cx8802_fh {
 510        struct v4l2_fh             fh;
 511        struct cx8802_dev          *dev;
 512        struct videobuf_queue      mpegq;
 513};
 514
 515struct cx8802_suspend_state {
 516        int                        disabled;
 517};
 518
 519struct cx8802_driver {
 520        struct cx88_core *core;
 521
 522        /* List of drivers attached to device */
 523        struct list_head drvlist;
 524
 525        /* Type of driver and access required */
 526        enum cx88_board_type type_id;
 527        enum cx8802_board_access hw_access;
 528
 529        /* MPEG 8802 internal only */
 530        int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
 531        int (*resume)(struct pci_dev *pci_dev);
 532
 533        /* Callers to the following functions must hold core->lock */
 534
 535        /* MPEG 8802 -> mini driver - Driver probe and configuration */
 536        int (*probe)(struct cx8802_driver *drv);
 537        int (*remove)(struct cx8802_driver *drv);
 538
 539        /* MPEG 8802 -> mini driver - Access for hardware control */
 540        int (*advise_acquire)(struct cx8802_driver *drv);
 541        int (*advise_release)(struct cx8802_driver *drv);
 542
 543        /* MPEG 8802 <- mini driver - Access for hardware control */
 544        int (*request_acquire)(struct cx8802_driver *drv);
 545        int (*request_release)(struct cx8802_driver *drv);
 546};
 547
 548struct cx8802_dev {
 549        struct cx88_core           *core;
 550        spinlock_t                 slock;
 551
 552        /* pci i/o */
 553        struct pci_dev             *pci;
 554        unsigned char              pci_rev,pci_lat;
 555
 556        /* dma queues */
 557        struct cx88_dmaqueue       mpegq;
 558        u32                        ts_packet_size;
 559        u32                        ts_packet_count;
 560
 561        /* other global state info */
 562        struct cx8802_suspend_state state;
 563
 564        /* for blackbird only */
 565        struct list_head           devlist;
 566#if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
 567        struct video_device        *mpeg_dev;
 568        u32                        mailbox;
 569        int                        width;
 570        int                        height;
 571        unsigned char              mpeg_active; /* nonzero if mpeg encoder is active */
 572
 573        /* mpeg params */
 574        struct cx2341x_handler     cxhdl;
 575#endif
 576
 577#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
 578        /* for dvb only */
 579        struct videobuf_dvb_frontends frontends;
 580#endif
 581
 582#if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
 583        /* For VP3045 secondary I2C bus support */
 584        struct vp3054_i2c_state    *vp3054;
 585#endif
 586        /* for switching modulation types */
 587        unsigned char              ts_gen_cntrl;
 588
 589        /* List of attached drivers; must hold core->lock to access */
 590        struct list_head           drvlist;
 591
 592        struct work_struct         request_module_wk;
 593};
 594
 595/* ----------------------------------------------------------- */
 596
 597#define cx_read(reg)             readl(core->lmmio + ((reg)>>2))
 598#define cx_write(reg,value)      writel((value), core->lmmio + ((reg)>>2))
 599#define cx_writeb(reg,value)     writeb((value), core->bmmio + (reg))
 600
 601#define cx_andor(reg,mask,value) \
 602  writel((readl(core->lmmio+((reg)>>2)) & ~(mask)) |\
 603  ((value) & (mask)), core->lmmio+((reg)>>2))
 604#define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
 605#define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
 606
 607#define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
 608
 609/* shadow registers */
 610#define cx_sread(sreg)              (core->shadow[sreg])
 611#define cx_swrite(sreg,reg,value) \
 612  (core->shadow[sreg] = value, \
 613   writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
 614#define cx_sandor(sreg,reg,mask,value) \
 615  (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | ((value) & (mask)), \
 616   writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
 617
 618/* ----------------------------------------------------------- */
 619/* cx88-core.c                                                 */
 620
 621extern unsigned int cx88_core_debug;
 622
 623extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
 624                               int len, u32 bits, u32 mask);
 625
 626extern int cx88_core_irq(struct cx88_core *core, u32 status);
 627extern void cx88_wakeup(struct cx88_core *core,
 628                        struct cx88_dmaqueue *q, u32 count);
 629extern void cx88_shutdown(struct cx88_core *core);
 630extern int cx88_reset(struct cx88_core *core);
 631
 632extern int
 633cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 634                 struct scatterlist *sglist,
 635                 unsigned int top_offset, unsigned int bottom_offset,
 636                 unsigned int bpl, unsigned int padding, unsigned int lines);
 637extern int
 638cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 639                     struct scatterlist *sglist, unsigned int bpl,
 640                     unsigned int lines, unsigned int lpi);
 641extern int
 642cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 643                  u32 reg, u32 mask, u32 value);
 644extern void
 645cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf);
 646
 647extern void cx88_risc_disasm(struct cx88_core *core,
 648                             struct btcx_riscmem *risc);
 649extern int cx88_sram_channel_setup(struct cx88_core *core,
 650                                   const struct sram_channel *ch,
 651                                   unsigned int bpl, u32 risc);
 652extern void cx88_sram_channel_dump(struct cx88_core *core,
 653                                   const struct sram_channel *ch);
 654
 655extern int cx88_set_scale(struct cx88_core *core, unsigned int width,
 656                          unsigned int height, enum v4l2_field field);
 657extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
 658
 659extern struct video_device *cx88_vdev_init(struct cx88_core *core,
 660                                           struct pci_dev *pci,
 661                                           const struct video_device *template_,
 662                                           const char *type);
 663extern struct cx88_core* cx88_core_get(struct pci_dev *pci);
 664extern void cx88_core_put(struct cx88_core *core,
 665                          struct pci_dev *pci);
 666
 667extern int cx88_start_audio_dma(struct cx88_core *core);
 668extern int cx88_stop_audio_dma(struct cx88_core *core);
 669
 670
 671/* ----------------------------------------------------------- */
 672/* cx88-vbi.c                                                  */
 673
 674/* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
 675int cx8800_vbi_fmt (struct file *file, void *priv,
 676                                        struct v4l2_format *f);
 677
 678/*
 679int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
 680                         struct cx88_dmaqueue *q,
 681                         struct cx88_buffer   *buf);
 682*/
 683int cx8800_stop_vbi_dma(struct cx8800_dev *dev);
 684int cx8800_restart_vbi_queue(struct cx8800_dev    *dev,
 685                             struct cx88_dmaqueue *q);
 686void cx8800_vbi_timeout(unsigned long data);
 687
 688extern const struct videobuf_queue_ops cx8800_vbi_qops;
 689
 690/* ----------------------------------------------------------- */
 691/* cx88-i2c.c                                                  */
 692
 693extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
 694
 695
 696/* ----------------------------------------------------------- */
 697/* cx88-cards.c                                                */
 698
 699extern int cx88_tuner_callback(void *dev, int component, int command, int arg);
 700extern int cx88_get_resources(const struct cx88_core *core,
 701                              struct pci_dev *pci);
 702extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
 703extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
 704
 705/* ----------------------------------------------------------- */
 706/* cx88-tvaudio.c                                              */
 707
 708void cx88_set_tvaudio(struct cx88_core *core);
 709void cx88_newstation(struct cx88_core *core);
 710void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
 711void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
 712int cx88_audio_thread(void *data);
 713
 714int cx8802_register_driver(struct cx8802_driver *drv);
 715int cx8802_unregister_driver(struct cx8802_driver *drv);
 716
 717/* Caller must hold core->lock */
 718struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
 719
 720/* ----------------------------------------------------------- */
 721/* cx88-dsp.c                                                  */
 722
 723s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
 724
 725/* ----------------------------------------------------------- */
 726/* cx88-input.c                                                */
 727
 728int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
 729int cx88_ir_fini(struct cx88_core *core);
 730void cx88_ir_irq(struct cx88_core *core);
 731int cx88_ir_start(struct cx88_core *core);
 732void cx88_ir_stop(struct cx88_core *core);
 733extern void cx88_i2c_init_ir(struct cx88_core *core);
 734
 735/* ----------------------------------------------------------- */
 736/* cx88-mpeg.c                                                 */
 737
 738int cx8802_buf_prepare(struct videobuf_queue *q,struct cx8802_dev *dev,
 739                        struct cx88_buffer *buf, enum v4l2_field field);
 740void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
 741void cx8802_cancel_buffers(struct cx8802_dev *dev);
 742
 743/* ----------------------------------------------------------- */
 744/* cx88-video.c*/
 745int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i);
 746int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
 747int cx88_video_mux(struct cx88_core *core, unsigned int input);
 748void cx88_querycap(struct file *file, struct cx88_core *core,
 749                struct v4l2_capability *cap);
 750