drivers/media/pci/cx88/cx88.h

   1 /*
   2  * v4l2 device driver for cx2388x based TV cards
   3  *
   4  * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
   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  *  GNU General Public License for more details.
  15  */
  16
  17 #ifndef CX88_H
  18 #define CX88_H
  19
  20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  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 #include <linux/refcount.h>
  28
  29 #include <media/v4l2-device.h>
  30 #include <media/v4l2-fh.h>
  31 #include <media/tuner.h>
  32 #include <media/tveeprom.h>
  33 #include <media/videobuf2-dma-sg.h>
  34 #include <media/drv-intf/cx2341x.h>
  35 #include <media/videobuf2-dvb.h>
  36 #include <media/i2c/ir-kbd-i2c.h>
  37 #include <media/i2c/wm8775.h>
  38
  39 #include "cx88-reg.h"
  40 #include "tuner-xc2028.h"
  41
  42 #include <linux/mutex.h>
  43
  44 #define CX88_VERSION "1.0.0"
  45
  46 #define UNSET (-1U)
  47
  48 #define CX88_MAXBOARDS 8
  49
  50 /* Max number of inputs by card */
  51 #define MAX_CX88_INPUT 8
  52
  53 /* ----------------------------------------------------------- */
  54 /* defines and enums                                           */
  55
  56 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
  57 #define CX88_NORMS (V4L2_STD_ALL                \
  58                     & ~V4L2_STD_PAL_H           \
  59                     & ~V4L2_STD_NTSC_M_KR       \
  60                     & ~V4L2_STD_SECAM_LC)
  61
  62 #define FORMAT_FLAGS_PACKED       0x01
  63 #define FORMAT_FLAGS_PLANAR       0x02
  64
  65 #define VBI_LINE_PAL_COUNT              18
  66 #define VBI_LINE_NTSC_COUNT             12
  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 */
  77 enum cx88_deemph_type {
  78         FM_NO_DEEMPH = 0,
  79         FM_DEEMPH_50,
  80         FM_DEEMPH_75
  81 };
  82
  83 enum cx88_board_type {
  84         CX88_BOARD_NONE = 0,
  85         CX88_MPEG_DVB,
  86         CX88_MPEG_BLACKBIRD
  87 };
  88
  89 enum cx8802_board_access {
  90         CX8802_DRVCTL_SHARED    = 1,
  91         CX8802_DRVCTL_EXCLUSIVE = 2,
  92 };
  93
  94 /* ----------------------------------------------------------- */
  95 /* tv norms                                                    */
  96
  97 static inline unsigned int norm_maxw(v4l2_std_id norm)
  98 {
  99         return 720;
 100 }
 101
 102 static inline unsigned int norm_maxh(v4l2_std_id norm)
 103 {
 104         return (norm & V4L2_STD_525_60) ? 480 : 576;
 105 }
 106
 107 /* ----------------------------------------------------------- */
 108 /* static data                                                 */
 109
 110 struct cx8800_fmt {
 111         const char  *name;
 112         u32   fourcc;          /* v4l2 format id */
 113         int   depth;
 114         int   flags;
 115         u32   cxformat;
 116 };
 117
 118 /* ----------------------------------------------------------- */
 119 /* SRAM memory management data (see cx88-core.c)               */
 120
 121 #define SRAM_CH21 0   /* video */
 122 #define SRAM_CH22 1
 123 #define SRAM_CH23 2
 124 #define SRAM_CH24 3   /* vbi   */
 125 #define SRAM_CH25 4   /* audio */
 126 #define SRAM_CH26 5
 127 #define SRAM_CH28 6   /* mpeg */
 128 #define SRAM_CH27 7   /* audio rds */
 129 /* more */
 130
 131 struct sram_channel {
 132         const char *name;
 133         u32  cmds_start;
 134         u32  ctrl_start;
 135         u32  cdt;
 136         u32  fifo_start;
 137         u32  fifo_size;
 138         u32  ptr1_reg;
 139         u32  ptr2_reg;
 140         u32  cnt1_reg;
 141         u32  cnt2_reg;
 142 };
 143
 144 extern 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
 242 enum 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
 255 struct 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
 262 enum cx88_audio_chip {
 263         CX88_AUDIO_WM8775 = 1,
 264         CX88_AUDIO_TVAUDIO,
 265 };
 266
 267 struct cx88_board {
 268         const char              *name;
 269         unsigned int            tuner_type;
 270         unsigned int            radio_type;
 271         unsigned char           tuner_addr;
 272         unsigned char           radio_addr;
 273         int                     tda9887_conf;
 274         struct cx88_input       input[MAX_CX88_INPUT];
 275         struct cx88_input       radio;
 276         enum cx88_board_type    mpeg;
 277         enum cx88_audio_chip    audio_chip;
 278         int                     num_frontends;
 279
 280         /* Used for I2S devices */
 281         int                     i2sinputcntl;
 282 };
 283
 284 struct cx88_subid {
 285         u16     subvendor;
 286         u16     subdevice;
 287         u32     card;
 288 };
 289
 290 enum cx88_tvaudio {
 291         WW_NONE = 1,
 292         WW_BTSC,
 293         WW_BG,
 294         WW_DK,
 295         WW_I,
 296         WW_L,
 297         WW_EIAJ,
 298         WW_I2SPT,
 299         WW_FM,
 300         WW_I2SADC,
 301         WW_M
 302 };
 303
 304 #define INPUT(nr) (core->board.input[nr])
 305
 306 /* ----------------------------------------------------------- */
 307 /* device / file handle status                                 */
 308
 309 #define RESOURCE_OVERLAY       1
 310 #define RESOURCE_VIDEO         2
 311 #define RESOURCE_VBI           4
 312
 313 #define BUFFER_TIMEOUT     msecs_to_jiffies(2000)
 314
 315 struct cx88_riscmem {
 316         unsigned int   size;
 317         __le32         *cpu;
 318         __le32         *jmp;
 319         dma_addr_t     dma;
 320 };
 321
 322 /* buffer for one video frame */
 323 struct cx88_buffer {
 324         /* common v4l buffer stuff -- must be first */
 325         struct vb2_v4l2_buffer vb;
 326         struct list_head       list;
 327
 328         /* cx88 specific */
 329         unsigned int           bpl;
 330         struct cx88_riscmem    risc;
 331 };
 332
 333 struct cx88_dmaqueue {
 334         struct list_head       active;
 335         u32                    count;
 336 };
 337
 338 struct cx8800_dev;
 339 struct cx8802_dev;
 340
 341 struct cx88_core {
 342         struct list_head           devlist;
 343         refcount_t                 refcount;
 344
 345         /* board name */
 346         int                        nr;
 347         char                       name[32];
 348         u32                        model;
 349
 350         /* pci stuff */
 351         int                        pci_bus;
 352         int                        pci_slot;
 353         u32                        __iomem *lmmio;
 354         u8                         __iomem *bmmio;
 355         u32                        shadow[SHADOW_MAX];
 356         int                        pci_irqmask;
 357
 358         /* i2c i/o */
 359         struct i2c_adapter         i2c_adap;
 360         struct i2c_algo_bit_data   i2c_algo;
 361         struct i2c_client          i2c_client;
 362         u32                        i2c_state, i2c_rc;
 363
 364         /* config info -- analog */
 365         struct v4l2_device         v4l2_dev;
 366         struct v4l2_ctrl_handler   video_hdl;
 367         struct v4l2_ctrl           *chroma_agc;
 368         struct v4l2_ctrl_handler   audio_hdl;
 369         struct v4l2_subdev         *sd_wm8775;
 370         struct i2c_client          *i2c_rtc;
 371         unsigned int               boardnr;
 372         struct cx88_board          board;
 373
 374         /* Supported V4L _STD_ tuner formats */
 375         unsigned int               tuner_formats;
 376
 377         /* config info -- dvb */
 378 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
 379         int     (*prev_set_voltage)(struct dvb_frontend *fe,
 380                                     enum fe_sec_voltage voltage);
 381 #endif
 382         void    (*gate_ctrl)(struct cx88_core *core, int open);
 383
 384         /* state info */
 385         struct task_struct         *kthread;
 386         v4l2_std_id                tvnorm;
 387         unsigned int               width, height;
 388         unsigned int               field;
 389         enum cx88_tvaudio          tvaudio;
 390         u32                        audiomode_manual;
 391         u32                        audiomode_current;
 392         u32                        input;
 393         u32                        last_analog_input;
 394         u32                        astat;
 395         u32                        use_nicam;
 396         unsigned long              last_change;
 397
 398         /* IR remote control state */
 399         struct cx88_IR             *ir;
 400
 401         /* I2C remote data */
 402         struct IR_i2c_init_data    init_data;
 403         struct wm8775_platform_data wm8775_data;
 404
 405         struct mutex               lock;
 406         /* various v4l controls */
 407         u32                        freq;
 408
 409         /*
 410          * cx88-video needs to access cx8802 for hybrid tuner pll access and
 411          * for vb2_is_busy() checks.
 412          */
 413         struct cx8802_dev          *dvbdev;
 414         /* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
 415         struct cx8800_dev          *v4ldev;
 416         enum cx88_board_type       active_type_id;
 417         int                        active_ref;
 418         int                        active_fe_id;
 419 };
 420
 421 static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
 422 {
 423         return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
 424 }
 425
 426 #define call_hw(core, grpid, o, f, args...) \
 427         do {                                                    \
 428                 if (!core->i2c_rc) {                            \
 429                         if (core->gate_ctrl)                    \
 430                                 core->gate_ctrl(core, 1);       \
 431                         v4l2_device_call_all(&core->v4l2_dev,   \
 432                                              grpid, o, f, ##args); \
 433                         if (core->gate_ctrl)                    \
 434                                 core->gate_ctrl(core, 0);       \
 435                 }                                               \
 436         } while (0)
 437
 438 #define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
 439
 440 #define WM8775_GID      (1 << 0)
 441
 442 #define wm8775_s_ctrl(core, id, val) \
 443         do {                                                            \
 444                 struct v4l2_ctrl *ctrl_ =                               \
 445                         v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
 446                 if (ctrl_ && !core->i2c_rc) {                           \
 447                         if (core->gate_ctrl)                            \
 448                                 core->gate_ctrl(core, 1);               \
 449                         v4l2_ctrl_s_ctrl(ctrl_, val);                   \
 450                         if (core->gate_ctrl)                            \
 451                                 core->gate_ctrl(core, 0);               \
 452                 }                                                       \
 453         } while (0)
 454
 455 #define wm8775_g_ctrl(core, id) \
 456         ({                                                              \
 457                 struct v4l2_ctrl *ctrl_ =                               \
 458                         v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
 459                 s32 val = 0;                                            \
 460                 if (ctrl_ && !core->i2c_rc) {                           \
 461                         if (core->gate_ctrl)                            \
 462                                 core->gate_ctrl(core, 1);               \
 463                         val = v4l2_ctrl_g_ctrl(ctrl_);                  \
 464                         if (core->gate_ctrl)                            \
 465                                 core->gate_ctrl(core, 0);               \
 466                 }                                                       \
 467                 val;                                                    \
 468         })
 469
 470 /* ----------------------------------------------------------- */
 471 /* function 0: video stuff                                     */
 472
 473 struct cx8800_suspend_state {
 474         int                        disabled;
 475 };
 476
 477 struct cx8800_dev {
 478         struct cx88_core           *core;
 479         spinlock_t                 slock;
 480
 481         /* various device info */
 482         unsigned int               resources;
 483         struct video_device        video_dev;
 484         struct video_device        vbi_dev;
 485         struct video_device        radio_dev;
 486
 487         /* pci i/o */
 488         struct pci_dev             *pci;
 489         unsigned char              pci_rev, pci_lat;
 490
 491         const struct cx8800_fmt    *fmt;
 492
 493         /* capture queues */
 494         struct cx88_dmaqueue       vidq;
 495         struct vb2_queue           vb2_vidq;
 496         struct cx88_dmaqueue       vbiq;
 497         struct vb2_queue           vb2_vbiq;
 498
 499         /* various v4l controls */
 500
 501         /* other global state info */
 502         struct cx8800_suspend_state state;
 503 };
 504
 505 /* ----------------------------------------------------------- */
 506 /* function 1: audio/alsa stuff                                */
 507 /* =============> moved to cx88-alsa.c <====================== */
 508
 509 /* ----------------------------------------------------------- */
 510 /* function 2: mpeg stuff                                      */
 511
 512 struct cx8802_suspend_state {
 513         int                        disabled;
 514 };
 515
 516 struct cx8802_driver {
 517         struct cx88_core *core;
 518
 519         /* List of drivers attached to device */
 520         struct list_head drvlist;
 521
 522         /* Type of driver and access required */
 523         enum cx88_board_type type_id;
 524         enum cx8802_board_access hw_access;
 525
 526         /* MPEG 8802 internal only */
 527         int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
 528         int (*resume)(struct pci_dev *pci_dev);
 529
 530         /* Callers to the following functions must hold core->lock */
 531
 532         /* MPEG 8802 -> mini driver - Driver probe and configuration */
 533         int (*probe)(struct cx8802_driver *drv);
 534         int (*remove)(struct cx8802_driver *drv);
 535
 536         /* MPEG 8802 -> mini driver - Access for hardware control */
 537         int (*advise_acquire)(struct cx8802_driver *drv);
 538         int (*advise_release)(struct cx8802_driver *drv);
 539
 540         /* MPEG 8802 <- mini driver - Access for hardware control */
 541         int (*request_acquire)(struct cx8802_driver *drv);
 542         int (*request_release)(struct cx8802_driver *drv);
 543 };
 544
 545 struct cx8802_dev {
 546         struct cx88_core           *core;
 547         spinlock_t                 slock;
 548
 549         /* pci i/o */
 550         struct pci_dev             *pci;
 551         unsigned char              pci_rev, pci_lat;
 552
 553         /* dma queues */
 554         struct cx88_dmaqueue       mpegq;
 555         struct vb2_queue           vb2_mpegq;
 556         u32                        ts_packet_size;
 557         u32                        ts_packet_count;
 558
 559         /* other global state info */
 560         struct cx8802_suspend_state state;
 561
 562         /* for blackbird only */
 563         struct list_head           devlist;
 564 #if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
 565         struct video_device        mpeg_dev;
 566         u32                        mailbox;
 567
 568         /* mpeg params */
 569         struct cx2341x_handler     cxhdl;
 570
 571 #endif
 572
 573 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
 574         /* for dvb only */
 575         struct vb2_dvb_frontends frontends;
 576 #endif
 577
 578 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
 579         /* For VP3045 secondary I2C bus support */
 580         struct vp3054_i2c_state    *vp3054;
 581 #endif
 582         /* for switching modulation types */
 583         unsigned char              ts_gen_cntrl;
 584
 585         /* List of attached drivers; must hold core->lock to access */
 586         struct list_head           drvlist;
 587
 588         struct work_struct         request_module_wk;
 589 };
 590
 591 /* ----------------------------------------------------------- */
 592
 593 #define cx_read(reg)             readl(core->lmmio + ((reg) >> 2))
 594 #define cx_write(reg, value)     writel((value), core->lmmio + ((reg) >> 2))
 595 #define cx_writeb(reg, value)    writeb((value), core->bmmio + (reg))
 596
 597 #define cx_andor(reg, mask, value) \
 598         writel((readl(core->lmmio + ((reg) >> 2)) & ~(mask)) |\
 599         ((value) & (mask)), core->lmmio + ((reg) >> 2))
 600 #define cx_set(reg, bit)         cx_andor((reg), (bit), (bit))
 601 #define cx_clear(reg, bit)       cx_andor((reg), (bit), 0)
 602
 603 #define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
 604
 605 /* shadow registers */
 606 #define cx_sread(sreg)              (core->shadow[sreg])
 607 #define cx_swrite(sreg, reg, value) \
 608         (core->shadow[sreg] = value, \
 609         writel(core->shadow[sreg], core->lmmio + ((reg) >> 2)))
 610 #define cx_sandor(sreg, reg, mask, value) \
 611         (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | \
 612                                ((value) & (mask)), \
 613                                 writel(core->shadow[sreg], \
 614                                        core->lmmio + ((reg) >> 2)))
 615
 616 /* ----------------------------------------------------------- */
 617 /* cx88-core.c                                                 */
 618
 619 extern unsigned int cx88_core_debug;
 620
 621 void cx88_print_irqbits(const char *tag, const char *strings[],
 622                         int len, u32 bits, u32 mask);
 623
 624 int cx88_core_irq(struct cx88_core *core, u32 status);
 625 void cx88_wakeup(struct cx88_core *core,
 626                  struct cx88_dmaqueue *q, u32 count);
 627 void cx88_shutdown(struct cx88_core *core);
 628 int cx88_reset(struct cx88_core *core);
 629
 630 extern int
 631 cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 632                  struct scatterlist *sglist,
 633                  unsigned int top_offset, unsigned int bottom_offset,
 634                  unsigned int bpl, unsigned int padding, unsigned int lines);
 635 extern int
 636 cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 637                      struct scatterlist *sglist, unsigned int bpl,
 638                      unsigned int lines, unsigned int lpi);
 639
 640 void cx88_risc_disasm(struct cx88_core *core,
 641                       struct cx88_riscmem *risc);
 642 int cx88_sram_channel_setup(struct cx88_core *core,
 643                             const struct sram_channel *ch,
 644                             unsigned int bpl, u32 risc);
 645 void cx88_sram_channel_dump(struct cx88_core *core,
 646                             const struct sram_channel *ch);
 647
 648 int cx88_set_scale(struct cx88_core *core, unsigned int width,
 649                    unsigned int height, enum v4l2_field field);
 650 int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
 651
 652 void cx88_vdev_init(struct cx88_core *core,
 653                     struct pci_dev *pci,
 654                     struct video_device *vfd,
 655                     const struct video_device *template_,
 656                     const char *type);
 657 struct cx88_core *cx88_core_get(struct pci_dev *pci);
 658 void cx88_core_put(struct cx88_core *core,
 659                    struct pci_dev *pci);
 660
 661 int cx88_start_audio_dma(struct cx88_core *core);
 662 int cx88_stop_audio_dma(struct cx88_core *core);
 663
 664 /* ----------------------------------------------------------- */
 665 /* cx88-vbi.c                                                  */
 666
 667 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
 668 int cx8800_vbi_fmt(struct file *file, void *priv,
 669                    struct v4l2_format *f);
 670
 671 void cx8800_stop_vbi_dma(struct cx8800_dev *dev);
 672 int cx8800_restart_vbi_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q);
 673
 674 extern const struct vb2_ops cx8800_vbi_qops;
 675
 676 /* ----------------------------------------------------------- */
 677 /* cx88-i2c.c                                                  */
 678
 679 int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
 680
 681 /* ----------------------------------------------------------- */
 682 /* cx88-cards.c                                                */
 683
 684 int cx88_tuner_callback(void *dev, int component, int command, int arg);
 685 int cx88_get_resources(const struct cx88_core *core,
 686                        struct pci_dev *pci);
 687 struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
 688 void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
 689
 690 /* ----------------------------------------------------------- */
 691 /* cx88-tvaudio.c                                              */
 692
 693 void cx88_set_tvaudio(struct cx88_core *core);
 694 void cx88_newstation(struct cx88_core *core);
 695 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
 696 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
 697 int cx88_audio_thread(void *data);
 698
 699 int cx8802_register_driver(struct cx8802_driver *drv);
 700 int cx8802_unregister_driver(struct cx8802_driver *drv);
 701
 702 /* Caller must hold core->lock */
 703 struct cx8802_driver *cx8802_get_driver(struct cx8802_dev *dev,
 704                                         enum cx88_board_type btype);
 705
 706 /* ----------------------------------------------------------- */
 707 /* cx88-dsp.c                                                  */
 708
 709 s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
 710
 711 /* ----------------------------------------------------------- */
 712 /* cx88-input.c                                                */
 713
 714 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
 715 int cx88_ir_fini(struct cx88_core *core);
 716 void cx88_ir_irq(struct cx88_core *core);
 717 int cx88_ir_start(struct cx88_core *core);
 718 void cx88_ir_stop(struct cx88_core *core);
 719 void cx88_i2c_init_ir(struct cx88_core *core);
 720
 721 /* ----------------------------------------------------------- */
 722 /* cx88-mpeg.c                                                 */
 723
 724 int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
 725                        struct cx88_buffer *buf);
 726 void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
 727 void cx8802_cancel_buffers(struct cx8802_dev *dev);
 728 int cx8802_start_dma(struct cx8802_dev    *dev,
 729                      struct cx88_dmaqueue *q,
 730                      struct cx88_buffer   *buf);
 731
 732 /* ----------------------------------------------------------- */
 733 /* cx88-video.c*/
 734 int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i);
 735 int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
 736 int cx88_video_mux(struct cx88_core *core, unsigned int input);
 737 int cx88_querycap(struct file *file, struct cx88_core *core,
 738                   struct v4l2_capability *cap);
 739
 740 #endif