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/videobuf2-dma-sg.h>
  33 #include <media/cx2341x.h>
  34 #include <media/videobuf2-dvb.h>
  35 #include <media/i2c/ir-kbd-i2c.h>
  36 #include <media/i2c/wm8775.h>
  37
  38 #include "cx88-reg.h"
  39 #include "tuner-xc2028.h"
  40
  41 #include <linux/mutex.h>
  42
  43 #define CX88_VERSION "1.0.0"
  44
  45 #define UNSET (-1U)
  46
  47 #define CX88_MAXBOARDS 8
  48
  49 /* Max number of inputs by card */
  50 #define MAX_CX88_INPUT 8
  51
  52 /* ----------------------------------------------------------- */
  53 /* defines and enums                                           */
  54
  55 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
  56 #define CX88_NORMS (V4L2_STD_ALL                \
  57                     & ~V4L2_STD_PAL_H           \
  58                     & ~V4L2_STD_NTSC_M_KR       \
  59                     & ~V4L2_STD_SECAM_LC)
  60
  61 #define FORMAT_FLAGS_PACKED       0x01
  62 #define FORMAT_FLAGS_PLANAR       0x02
  63
  64 #define VBI_LINE_PAL_COUNT              18
  65 #define VBI_LINE_NTSC_COUNT             12
  66 #define VBI_LINE_LENGTH           2048
  67
  68 #define AUD_RDS_LINES                4
  69
  70 /* need "shadow" registers for some write-only ones ... */
  71 #define SHADOW_AUD_VOL_CTL           1
  72 #define SHADOW_AUD_BAL_CTL           2
  73 #define SHADOW_MAX                   3
  74
  75 /* FM Radio deemphasis type */
  76 enum cx88_deemph_type {
  77         FM_NO_DEEMPH = 0,
  78         FM_DEEMPH_50,
  79         FM_DEEMPH_75
  80 };
  81
  82 enum cx88_board_type {
  83         CX88_BOARD_NONE = 0,
  84         CX88_MPEG_DVB,
  85         CX88_MPEG_BLACKBIRD
  86 };
  87
  88 enum cx8802_board_access {
  89         CX8802_DRVCTL_SHARED    = 1,
  90         CX8802_DRVCTL_EXCLUSIVE = 2,
  91 };
  92
  93 /* ----------------------------------------------------------- */
  94 /* tv norms                                                    */
  95
  96 static inline unsigned int norm_maxw(v4l2_std_id norm)
  97 {
  98         return 720;
  99 }
 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 extern const struct sram_channel cx88_sram_channels[];
 144
 145 /* ----------------------------------------------------------- */
 146 /* card configuration                                          */
 147
 148 #define CX88_BOARD_NOAUTO               UNSET
 149 #define CX88_BOARD_UNKNOWN                  0
 150 #define CX88_BOARD_HAUPPAUGE                1
 151 #define CX88_BOARD_GDI                      2
 152 #define CX88_BOARD_PIXELVIEW                3
 153 #define CX88_BOARD_ATI_WONDER_PRO           4
 154 #define CX88_BOARD_WINFAST2000XP_EXPERT     5
 155 #define CX88_BOARD_AVERTV_STUDIO_303        6
 156 #define CX88_BOARD_MSI_TVANYWHERE_MASTER    7
 157 #define CX88_BOARD_WINFAST_DV2000           8
 158 #define CX88_BOARD_LEADTEK_PVR2000          9
 159 #define CX88_BOARD_IODATA_GVVCP3PCI        10
 160 #define CX88_BOARD_PROLINK_PLAYTVPVR       11
 161 #define CX88_BOARD_ASUS_PVR_416            12
 162 #define CX88_BOARD_MSI_TVANYWHERE          13
 163 #define CX88_BOARD_KWORLD_DVB_T            14
 164 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
 165 #define CX88_BOARD_KWORLD_LTV883           16
 166 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q  17
 167 #define CX88_BOARD_HAUPPAUGE_DVB_T1        18
 168 #define CX88_BOARD_CONEXANT_DVB_T1         19
 169 #define CX88_BOARD_PROVIDEO_PV259          20
 170 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
 171 #define CX88_BOARD_PCHDTV_HD3000           22
 172 #define CX88_BOARD_DNTV_LIVE_DVB_T         23
 173 #define CX88_BOARD_HAUPPAUGE_ROSLYN        24
 174 #define CX88_BOARD_DIGITALLOGIC_MEC        25
 175 #define CX88_BOARD_IODATA_GVBCTV7E         26
 176 #define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
 177 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T  28
 178 #define CX88_BOARD_ADSTECH_DVB_T_PCI          29
 179 #define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1  30
 180 #define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
 181 #define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
 182 #define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
 183 #define CX88_BOARD_ATI_HDTVWONDER          34
 184 #define CX88_BOARD_WINFAST_DTV1000         35
 185 #define CX88_BOARD_AVERTV_303              36
 186 #define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1  37
 187 #define CX88_BOARD_HAUPPAUGE_NOVASE2_S1    38
 188 #define CX88_BOARD_KWORLD_DVBS_100         39
 189 #define CX88_BOARD_HAUPPAUGE_HVR1100       40
 190 #define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
 191 #define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
 192 #define CX88_BOARD_KWORLD_DVB_T_CX22702    43
 193 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
 194 #define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
 195 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
 196 #define CX88_BOARD_PCHDTV_HD5500           47
 197 #define CX88_BOARD_KWORLD_MCE200_DELUXE    48
 198 #define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
 199 #define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
 200 #define CX88_BOARD_WINFAST_DTV2000H        51
 201 #define CX88_BOARD_GENIATECH_DVBS          52
 202 #define CX88_BOARD_HAUPPAUGE_HVR3000       53
 203 #define CX88_BOARD_NORWOOD_MICRO           54
 204 #define CX88_BOARD_TE_DTV_250_OEM_SWANN    55
 205 #define CX88_BOARD_HAUPPAUGE_HVR1300       56
 206 #define CX88_BOARD_ADSTECH_PTV_390         57
 207 #define CX88_BOARD_PINNACLE_PCTV_HD_800i   58
 208 #define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
 209 #define CX88_BOARD_PINNACLE_HYBRID_PCTV    60
 210 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
 211 #define CX88_BOARD_POWERCOLOR_REAL_ANGEL   62
 212 #define CX88_BOARD_GENIATECH_X8000_MT      63
 213 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
 214 #define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
 215 #define CX88_BOARD_PROLINK_PV_8000GT       66
 216 #define CX88_BOARD_KWORLD_ATSC_120         67
 217 #define CX88_BOARD_HAUPPAUGE_HVR4000       68
 218 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE   69
 219 #define CX88_BOARD_TEVII_S460              70
 220 #define CX88_BOARD_OMICOM_SS4_PCI          71
 221 #define CX88_BOARD_TBS_8920                72
 222 #define CX88_BOARD_TEVII_S420              73
 223 #define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
 224 #define CX88_BOARD_PROF_7300               75
 225 #define CX88_BOARD_SATTRADE_ST4200         76
 226 #define CX88_BOARD_TBS_8910                77
 227 #define CX88_BOARD_PROF_6200               78
 228 #define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
 229 #define CX88_BOARD_HAUPPAUGE_IRONLY        80
 230 #define CX88_BOARD_WINFAST_DTV1800H        81
 231 #define CX88_BOARD_WINFAST_DTV2000H_J      82
 232 #define CX88_BOARD_PROF_7301               83
 233 #define CX88_BOARD_SAMSUNG_SMT_7020        84
 234 #define CX88_BOARD_TWINHAN_VP1027_DVBS     85
 235 #define CX88_BOARD_TEVII_S464              86
 236 #define CX88_BOARD_WINFAST_DTV2000H_PLUS   87
 237 #define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
 238 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
 239 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
 240
 241 enum cx88_itype {
 242         CX88_VMUX_COMPOSITE1 = 1,
 243         CX88_VMUX_COMPOSITE2,
 244         CX88_VMUX_COMPOSITE3,
 245         CX88_VMUX_COMPOSITE4,
 246         CX88_VMUX_SVIDEO,
 247         CX88_VMUX_TELEVISION,
 248         CX88_VMUX_CABLE,
 249         CX88_VMUX_DVB,
 250         CX88_VMUX_DEBUG,
 251         CX88_RADIO,
 252 };
 253
 254 struct cx88_input {
 255         enum cx88_itype type;
 256         u32             gpio0, gpio1, gpio2, gpio3;
 257         unsigned int    vmux:2;
 258         unsigned int    audioroute:4;
 259 };
 260
 261 enum cx88_audio_chip {
 262         CX88_AUDIO_WM8775 = 1,
 263         CX88_AUDIO_TVAUDIO,
 264 };
 265
 266 struct cx88_board {
 267         const char              *name;
 268         unsigned int            tuner_type;
 269         unsigned int            radio_type;
 270         unsigned char           tuner_addr;
 271         unsigned char           radio_addr;
 272         int                     tda9887_conf;
 273         struct cx88_input       input[MAX_CX88_INPUT];
 274         struct cx88_input       radio;
 275         enum cx88_board_type    mpeg;
 276         enum cx88_audio_chip    audio_chip;
 277         int                     num_frontends;
 278
 279         /* Used for I2S devices */
 280         int                     i2sinputcntl;
 281 };
 282
 283 struct cx88_subid {
 284         u16     subvendor;
 285         u16     subdevice;
 286         u32     card;
 287 };
 288
 289 enum cx88_tvaudio {
 290         WW_NONE = 1,
 291         WW_BTSC,
 292         WW_BG,
 293         WW_DK,
 294         WW_I,
 295         WW_L,
 296         WW_EIAJ,
 297         WW_I2SPT,
 298         WW_FM,
 299         WW_I2SADC,
 300         WW_M
 301 };
 302
 303 #define INPUT(nr) (core->board.input[nr])
 304
 305 /* ----------------------------------------------------------- */
 306 /* device / file handle status                                 */
 307
 308 #define RESOURCE_OVERLAY       1
 309 #define RESOURCE_VIDEO         2
 310 #define RESOURCE_VBI           4
 311
 312 #define BUFFER_TIMEOUT     msecs_to_jiffies(2000)
 313
 314 struct cx88_riscmem {
 315         unsigned int   size;
 316         __le32         *cpu;
 317         __le32         *jmp;
 318         dma_addr_t     dma;
 319 };
 320
 321 /* buffer for one video frame */
 322 struct cx88_buffer {
 323         /* common v4l buffer stuff -- must be first */
 324         struct vb2_v4l2_buffer vb;
 325         struct list_head       list;
 326
 327         /* cx88 specific */
 328         unsigned int           bpl;
 329         struct cx88_riscmem    risc;
 330 };
 331
 332 struct cx88_dmaqueue {
 333         struct list_head       active;
 334         u32                    count;
 335 };
 336
 337 struct cx8800_dev;
 338 struct cx8802_dev;
 339
 340 struct cx88_core {
 341         struct list_head           devlist;
 342         atomic_t                   refcount;
 343
 344         /* board name */
 345         int                        nr;
 346         char                       name[32];
 347         u32                        model;
 348
 349         /* pci stuff */
 350         int                        pci_bus;
 351         int                        pci_slot;
 352         u32                        __iomem *lmmio;
 353         u8                         __iomem *bmmio;
 354         u32                        shadow[SHADOW_MAX];
 355         int                        pci_irqmask;
 356
 357         /* i2c i/o */
 358         struct i2c_adapter         i2c_adap;
 359         struct i2c_algo_bit_data   i2c_algo;
 360         struct i2c_client          i2c_client;
 361         u32                        i2c_state, i2c_rc;
 362
 363         /* config info -- analog */
 364         struct v4l2_device         v4l2_dev;
 365         struct v4l2_ctrl_handler   video_hdl;
 366         struct v4l2_ctrl           *chroma_agc;
 367         struct v4l2_ctrl_handler   audio_hdl;
 368         struct v4l2_subdev         *sd_wm8775;
 369         struct i2c_client          *i2c_rtc;
 370         unsigned int               boardnr;
 371         struct cx88_board          board;
 372
 373         /* Supported V4L _STD_ tuner formats */
 374         unsigned int               tuner_formats;
 375
 376         /* config info -- dvb */
 377 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
 378         int     (*prev_set_voltage)(struct dvb_frontend *fe,
 379                                     enum fe_sec_voltage voltage);
 380 #endif
 381         void    (*gate_ctrl)(struct cx88_core *core, int open);
 382
 383         /* state info */
 384         struct task_struct         *kthread;
 385         v4l2_std_id                tvnorm;
 386         unsigned                   width, height;
 387         unsigned                   field;
 388         enum cx88_tvaudio          tvaudio;
 389         u32                        audiomode_manual;
 390         u32                        audiomode_current;
 391         u32                        input;
 392         u32                        last_analog_input;
 393         u32                        astat;
 394         u32                        use_nicam;
 395         unsigned long              last_change;
 396
 397         /* IR remote control state */
 398         struct cx88_IR             *ir;
 399
 400         /* I2C remote data */
 401         struct IR_i2c_init_data    init_data;
 402         struct wm8775_platform_data wm8775_data;
 403
 404         struct mutex               lock;
 405         /* various v4l controls */
 406         u32                        freq;
 407
 408         /*
 409          * cx88-video needs to access cx8802 for hybrid tuner pll access and
 410          * for vb2_is_busy() checks.
 411          */
 412         struct cx8802_dev          *dvbdev;
 413         /* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
 414         struct cx8800_dev          *v4ldev;
 415         enum cx88_board_type       active_type_id;
 416         int                        active_ref;
 417         int                        active_fe_id;
 418 };
 419
 420 static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
 421 {
 422         return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
 423 }
 424
 425 #define call_hw(core, grpid, o, f, args...) \
 426         do {                                                    \
 427                 if (!core->i2c_rc) {                            \
 428                         if (core->gate_ctrl)                    \
 429                                 core->gate_ctrl(core, 1);       \
 430                         v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
 431                         if (core->gate_ctrl)                    \
 432                                 core->gate_ctrl(core, 0);       \
 433                 }                                               \
 434         } while (0)
 435
 436 #define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
 437
 438 #define WM8775_GID      (1 << 0)
 439
 440 #define wm8775_s_ctrl(core, id, val) \
 441         do {                                                                    \
 442                 struct v4l2_ctrl *ctrl_ =                                       \
 443                         v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);      \
 444                 if (ctrl_ && !core->i2c_rc) {                                   \
 445                         if (core->gate_ctrl)                                    \
 446                                 core->gate_ctrl(core, 1);                       \
 447                         v4l2_ctrl_s_ctrl(ctrl_, val);                           \
 448                         if (core->gate_ctrl)                                    \
 449                                 core->gate_ctrl(core, 0);                       \
 450                 }                                                               \
 451         } while (0)
 452
 453 #define wm8775_g_ctrl(core, id) \
 454         ({                                                                      \
 455                 struct v4l2_ctrl *ctrl_ =                                       \
 456                         v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);      \
 457                 s32 val = 0;                                                    \
 458                 if (ctrl_ && !core->i2c_rc) {                                   \
 459                         if (core->gate_ctrl)                                    \
 460                                 core->gate_ctrl(core, 1);                       \
 461                         val = v4l2_ctrl_g_ctrl(ctrl_);                          \
 462                         if (core->gate_ctrl)                                    \
 463                                 core->gate_ctrl(core, 0);                       \
 464                 }                                                               \
 465                 val;                                                            \
 466         })
 467
 468 /* ----------------------------------------------------------- */
 469 /* function 0: video stuff                                     */
 470
 471 struct cx8800_suspend_state {
 472         int                        disabled;
 473 };
 474
 475 struct cx8800_dev {
 476         struct cx88_core           *core;
 477         spinlock_t                 slock;
 478
 479         /* various device info */
 480         unsigned int               resources;
 481         struct video_device        video_dev;
 482         struct video_device        vbi_dev;
 483         struct video_device        radio_dev;
 484
 485         /* pci i/o */
 486         struct pci_dev             *pci;
 487         unsigned char              pci_rev,pci_lat;
 488         void                       *alloc_ctx;
 489
 490         const struct cx8800_fmt    *fmt;
 491
 492         /* capture queues */
 493         struct cx88_dmaqueue       vidq;
 494         struct vb2_queue           vb2_vidq;
 495         struct cx88_dmaqueue       vbiq;
 496         struct vb2_queue           vb2_vbiq;
 497
 498         /* various v4l controls */
 499
 500         /* other global state info */
 501         struct cx8800_suspend_state state;
 502 };
 503
 504 /* ----------------------------------------------------------- */
 505 /* function 1: audio/alsa stuff                                */
 506 /* =============> moved to cx88-alsa.c <====================== */
 507
 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         void                       *alloc_ctx;
 553
 554         /* dma queues */
 555         struct cx88_dmaqueue       mpegq;
 556         struct vb2_queue           vb2_mpegq;
 557         u32                        ts_packet_size;
 558         u32                        ts_packet_count;
 559
 560         /* other global state info */
 561         struct cx8802_suspend_state state;
 562
 563         /* for blackbird only */
 564         struct list_head           devlist;
 565 #if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
 566         struct video_device        mpeg_dev;
 567         u32                        mailbox;
 568
 569         /* mpeg params */
 570         struct cx2341x_handler     cxhdl;
 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)) | ((value) & (mask)), \
 612    writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
 613
 614 /* ----------------------------------------------------------- */
 615 /* cx88-core.c                                                 */
 616
 617 extern unsigned int cx88_core_debug;
 618
 619 extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
 620                                int len, u32 bits, u32 mask);
 621
 622 extern int cx88_core_irq(struct cx88_core *core, u32 status);
 623 extern void cx88_wakeup(struct cx88_core *core,
 624                         struct cx88_dmaqueue *q, u32 count);
 625 extern void cx88_shutdown(struct cx88_core *core);
 626 extern int cx88_reset(struct cx88_core *core);
 627
 628 extern int
 629 cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 630                  struct scatterlist *sglist,
 631                  unsigned int top_offset, unsigned int bottom_offset,
 632                  unsigned int bpl, unsigned int padding, unsigned int lines);
 633 extern int
 634 cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
 635                      struct scatterlist *sglist, unsigned int bpl,
 636                      unsigned int lines, unsigned int lpi);
 637
 638 extern void cx88_risc_disasm(struct cx88_core *core,
 639                              struct cx88_riscmem *risc);
 640 extern int cx88_sram_channel_setup(struct cx88_core *core,
 641                                    const struct sram_channel *ch,
 642                                    unsigned int bpl, u32 risc);
 643 extern void cx88_sram_channel_dump(struct cx88_core *core,
 644                                    const struct sram_channel *ch);
 645
 646 extern int cx88_set_scale(struct cx88_core *core, unsigned int width,
 647                           unsigned int height, enum v4l2_field field);
 648 extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
 649
 650 extern void cx88_vdev_init(struct cx88_core *core,
 651                            struct pci_dev *pci,
 652                            struct video_device *vfd,
 653                            const struct video_device *template_,
 654                            const char *type);
 655 extern struct cx88_core *cx88_core_get(struct pci_dev *pci);
 656 extern void cx88_core_put(struct cx88_core *core,
 657                           struct pci_dev *pci);
 658
 659 extern int cx88_start_audio_dma(struct cx88_core *core);
 660 extern int cx88_stop_audio_dma(struct cx88_core *core);
 661
 662
 663 /* ----------------------------------------------------------- */
 664 /* cx88-vbi.c                                                  */
 665
 666 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
 667 int cx8800_vbi_fmt (struct file *file, void *priv,
 668                                         struct v4l2_format *f);
 669
 670 /*
 671 int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
 672                          struct cx88_dmaqueue *q,
 673                          struct cx88_buffer   *buf);
 674 */
 675 void cx8800_stop_vbi_dma(struct cx8800_dev *dev);
 676 int cx8800_restart_vbi_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q);
 677
 678 extern const struct vb2_ops cx8800_vbi_qops;
 679
 680 /* ----------------------------------------------------------- */
 681 /* cx88-i2c.c                                                  */
 682
 683 extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
 684
 685
 686 /* ----------------------------------------------------------- */
 687 /* cx88-cards.c                                                */
 688
 689 extern int cx88_tuner_callback(void *dev, int component, int command, int arg);
 690 extern int cx88_get_resources(const struct cx88_core *core,
 691                               struct pci_dev *pci);
 692 extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
 693 extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
 694
 695 /* ----------------------------------------------------------- */
 696 /* cx88-tvaudio.c                                              */
 697
 698 void cx88_set_tvaudio(struct cx88_core *core);
 699 void cx88_newstation(struct cx88_core *core);
 700 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
 701 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
 702 int cx88_audio_thread(void *data);
 703
 704 int cx8802_register_driver(struct cx8802_driver *drv);
 705 int cx8802_unregister_driver(struct cx8802_driver *drv);
 706
 707 /* Caller must hold core->lock */
 708 struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
 709
 710 /* ----------------------------------------------------------- */
 711 /* cx88-dsp.c                                                  */
 712
 713 s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
 714
 715 /* ----------------------------------------------------------- */
 716 /* cx88-input.c                                                */
 717
 718 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
 719 int cx88_ir_fini(struct cx88_core *core);
 720 void cx88_ir_irq(struct cx88_core *core);
 721 int cx88_ir_start(struct cx88_core *core);
 722 void cx88_ir_stop(struct cx88_core *core);
 723 extern void cx88_i2c_init_ir(struct cx88_core *core);
 724
 725 /* ----------------------------------------------------------- */
 726 /* cx88-mpeg.c                                                 */
 727
 728 int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
 729                         struct cx88_buffer *buf);
 730 void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
 731 void cx8802_cancel_buffers(struct cx8802_dev *dev);
 732 int cx8802_start_dma(struct cx8802_dev    *dev,
 733                             struct cx88_dmaqueue *q,
 734                             struct cx88_buffer   *buf);
 735
 736 /* ----------------------------------------------------------- */
 737 /* cx88-video.c*/
 738 int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i);
 739 int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
 740 int cx88_video_mux(struct cx88_core *core, unsigned int input);
 741 void cx88_querycap(struct file *file, struct cx88_core *core,
 742                 struct v4l2_capability *cap);