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/cx2341x.h> 34#include <media/videobuf-dvb.h> 35#include <media/ir-kbd-i2c.h> 36#include <media/wm8775.h> 37 38#include "btcx-risc.h" 39#include "cx88-reg.h" 40#include "tuner-xc2028.h" 41 42#include <linux/mutex.h> 43 44#define CX88_VERSION "0.0.9" 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_COUNT 17 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 */ 76enum cx88_deemph_type { 77 FM_NO_DEEMPH = 0, 78 FM_DEEMPH_50, 79 FM_DEEMPH_75 80}; 81 82enum cx88_board_type { 83 CX88_BOARD_NONE = 0, 84 CX88_MPEG_DVB, 85 CX88_MPEG_BLACKBIRD 86}; 87 88enum cx8802_board_access { 89 CX8802_DRVCTL_SHARED = 1, 90 CX8802_DRVCTL_EXCLUSIVE = 2, 91}; 92 93/* ----------------------------------------------------------- */ 94/* tv norms */ 95 96static inline unsigned int norm_maxw(v4l2_std_id norm) 97{ 98 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; 99} 100 101 102static inline unsigned int norm_maxh(v4l2_std_id norm) 103{ 104 return (norm & V4L2_STD_625_50) ? 576 : 480; 105} 106 107/* ----------------------------------------------------------- */ 108/* static data */ 109 110struct 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 131struct 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}; 143extern 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 241enum 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 254struct 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 261enum cx88_audio_chip { 262 CX88_AUDIO_WM8775 = 1, 263 CX88_AUDIO_TVAUDIO, 264}; 265 266struct 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 283struct cx88_subid { 284 u16 subvendor; 285 u16 subdevice; 286 u32 card; 287}; 288 289enum 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/* buffer for one video frame */ 315struct cx88_buffer { 316 /* common v4l buffer stuff -- must be first */ 317 struct videobuf_buffer vb; 318 319 /* cx88 specific */ 320 unsigned int bpl; 321 struct btcx_riscmem risc; 322 const struct cx8800_fmt *fmt; 323 u32 count; 324}; 325 326struct cx88_dmaqueue { 327 struct list_head active; 328 struct list_head queued; 329 struct timer_list timeout; 330 struct btcx_riscmem stopper; 331 u32 count; 332}; 333 334struct cx88_core { 335 struct list_head devlist; 336 atomic_t refcount; 337 338 /* board name */ 339 int nr; 340 char name[32]; 341 u32 model; 342 343 /* pci stuff */ 344 int pci_bus; 345 int pci_slot; 346 u32 __iomem *lmmio; 347 u8 __iomem *bmmio; 348 u32 shadow[SHADOW_MAX]; 349 int pci_irqmask; 350 351 /* i2c i/o */ 352 struct i2c_adapter i2c_adap; 353 struct i2c_algo_bit_data i2c_algo; 354 struct i2c_client i2c_client; 355 u32 i2c_state, i2c_rc; 356 357 /* config info -- analog */ 358 struct v4l2_device v4l2_dev; 359 struct v4l2_ctrl_handler video_hdl; 360 struct v4l2_ctrl *chroma_agc; 361 struct v4l2_ctrl_handler audio_hdl; 362 struct v4l2_subdev *sd_wm8775; 363 struct i2c_client *i2c_rtc; 364 unsigned int boardnr; 365 struct cx88_board board; 366 367 /* Supported V4L _STD_ tuner formats */ 368 unsigned int tuner_formats; 369 370 /* config info -- dvb */ 371#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB) 372 int (*prev_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage); 373#endif 374 void (*gate_ctrl)(struct cx88_core *core, int open); 375 376 /* state info */ 377 struct task_struct *kthread; 378 v4l2_std_id tvnorm; 379 enum cx88_tvaudio tvaudio; 380 u32 audiomode_manual; 381 u32 audiomode_current; 382 u32 input; 383 u32 last_analog_input; 384 u32 astat; 385 u32 use_nicam; 386 unsigned long last_change; 387 388 /* IR remote control state */ 389 struct cx88_IR *ir; 390 391 /* I2C remote data */ 392 struct IR_i2c_init_data init_data; 393 struct wm8775_platform_data wm8775_data; 394 395 struct mutex lock; 396 /* various v4l controls */ 397 u32 freq; 398 int users; 399 int mpeg_users; 400 401 /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ 402 struct cx8802_dev *dvbdev; 403 enum cx88_board_type active_type_id; 404 int active_ref; 405 int active_fe_id; 406}; 407 408static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev) 409{ 410 return container_of(v4l2_dev, struct cx88_core, v4l2_dev); 411} 412 413#define call_hw(core, grpid, o, f, args...) \ 414 do { \ 415 if (!core->i2c_rc) { \ 416 if (core->gate_ctrl) \ 417 core->gate_ctrl(core, 1); \ 418 v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \ 419 if (core->gate_ctrl) \ 420 core->gate_ctrl(core, 0); \ 421 } \ 422 } while (0) 423 424#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args) 425 426#define WM8775_GID (1 << 0) 427 428#define wm8775_s_ctrl(core, id, val) \ 429 do { \ 430 struct v4l2_ctrl *ctrl_ = \ 431 v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id); \ 432 if (ctrl_ && !core->i2c_rc) { \ 433 if (core->gate_ctrl) \ 434 core->gate_ctrl(core, 1); \ 435 v4l2_ctrl_s_ctrl(ctrl_, val); \ 436 if (core->gate_ctrl) \ 437 core->gate_ctrl(core, 0); \ 438 } \ 439 } while (0) 440 441#define wm8775_g_ctrl(core, id) \ 442 ({ \ 443 struct v4l2_ctrl *ctrl_ = \ 444 v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id); \ 445 s32 val = 0; \ 446 if (ctrl_ && !core->i2c_rc) { \ 447 if (core->gate_ctrl) \ 448 core->gate_ctrl(core, 1); \ 449 val = v4l2_ctrl_g_ctrl(ctrl_); \ 450 if (core->gate_ctrl) \ 451 core->gate_ctrl(core, 0); \ 452 } \ 453 val; \ 454 }) 455 456struct cx8800_dev; 457struct cx8802_dev; 458 459/* ----------------------------------------------------------- */ 460/* function 0: video stuff */ 461 462struct cx8800_fh { 463 struct v4l2_fh fh; 464 struct cx8800_dev *dev; 465 unsigned int resources; 466 467 /* video capture */ 468 struct videobuf_queue vidq; 469 470 /* vbi capture */ 471 struct videobuf_queue vbiq; 472}; 473 474struct cx8800_suspend_state { 475 int disabled; 476}; 477 478struct cx8800_dev { 479 struct cx88_core *core; 480 spinlock_t slock; 481 482 /* various device info */ 483 unsigned int resources; 484 struct video_device *video_dev; 485 struct video_device *vbi_dev; 486 struct video_device *radio_dev; 487 488 /* pci i/o */ 489 struct pci_dev *pci; 490 unsigned char pci_rev,pci_lat; 491 492 const struct cx8800_fmt *fmt; 493 unsigned int width, height; 494 495 /* capture queues */ 496 struct cx88_dmaqueue vidq; 497 struct cx88_dmaqueue 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/* ----------------------------------------------------------- */ 511/* function 2: mpeg stuff */ 512 513struct cx8802_fh { 514 struct v4l2_fh fh; 515 struct cx8802_dev *dev; 516 struct videobuf_queue mpegq; 517}; 518 519struct cx8802_suspend_state { 520 int disabled; 521}; 522 523struct cx8802_driver { 524 struct cx88_core *core; 525 526 /* List of drivers attached to device */ 527 struct list_head drvlist; 528 529 /* Type of driver and access required */ 530 enum cx88_board_type type_id; 531 enum cx8802_board_access hw_access; 532 533 /* MPEG 8802 internal only */ 534 int (*suspend)(struct pci_dev *pci_dev, pm_message_t state); 535 int (*resume)(struct pci_dev *pci_dev); 536 537 /* Callers to the following functions must hold core->lock */ 538 539 /* MPEG 8802 -> mini driver - Driver probe and configuration */ 540 int (*probe)(struct cx8802_driver *drv); 541 int (*remove)(struct cx8802_driver *drv); 542 543 /* MPEG 8802 -> mini driver - Access for hardware control */ 544 int (*advise_acquire)(struct cx8802_driver *drv); 545 int (*advise_release)(struct cx8802_driver *drv); 546 547 /* MPEG 8802 <- mini driver - Access for hardware control */ 548 int (*request_acquire)(struct cx8802_driver *drv); 549 int (*request_release)(struct cx8802_driver *drv); 550}; 551 552struct cx8802_dev { 553 struct cx88_core *core; 554 spinlock_t slock; 555 556 /* pci i/o */ 557 struct pci_dev *pci; 558 unsigned char pci_rev,pci_lat; 559 560 /* dma queues */ 561 struct cx88_dmaqueue mpegq; 562 u32 ts_packet_size; 563 u32 ts_packet_count; 564 565 /* other global state info */ 566 struct cx8802_suspend_state state; 567 568 /* for blackbird only */ 569 struct list_head devlist; 570#if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD) 571 struct video_device *mpeg_dev; 572 u32 mailbox; 573 int width; 574 int height; 575 unsigned char mpeg_active; /* nonzero if mpeg encoder is active */ 576 577 /* mpeg params */ 578 struct cx2341x_handler cxhdl; 579#endif 580 581#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB) 582 /* for dvb only */ 583 struct videobuf_dvb_frontends frontends; 584#endif 585 586#if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054) 587 /* For VP3045 secondary I2C bus support */ 588 struct vp3054_i2c_state *vp3054; 589#endif 590 /* for switching modulation types */ 591 unsigned char ts_gen_cntrl; 592 593 /* List of attached drivers; must hold core->lock to access */ 594 struct list_head drvlist; 595 596 struct work_struct request_module_wk; 597}; 598 599/* ----------------------------------------------------------- */ 600 601#define cx_read(reg) readl(core->lmmio + ((reg)>>2)) 602#define cx_write(reg,value) writel((value), core->lmmio + ((reg)>>2)) 603#define cx_writeb(reg,value) writeb((value), core->bmmio + (reg)) 604 605#define cx_andor(reg,mask,value) \ 606 writel((readl(core->lmmio+((reg)>>2)) & ~(mask)) |\ 607 ((value) & (mask)), core->lmmio+((reg)>>2)) 608#define cx_set(reg,bit) cx_andor((reg),(bit),(bit)) 609#define cx_clear(reg,bit) cx_andor((reg),(bit),0) 610 611#define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); } 612 613/* shadow registers */ 614#define cx_sread(sreg) (core->shadow[sreg]) 615#define cx_swrite(sreg,reg,value) \ 616 (core->shadow[sreg] = value, \ 617 writel(core->shadow[sreg], core->lmmio + ((reg)>>2))) 618#define cx_sandor(sreg,reg,mask,value) \ 619 (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | ((value) & (mask)), \ 620 writel(core->shadow[sreg], core->lmmio + ((reg)>>2))) 621 622/* ----------------------------------------------------------- */ 623/* cx88-core.c */ 624 625extern unsigned int cx88_core_debug; 626 627extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[], 628 int len, u32 bits, u32 mask); 629 630extern int cx88_core_irq(struct cx88_core *core, u32 status); 631extern void cx88_wakeup(struct cx88_core *core, 632 struct cx88_dmaqueue *q, u32 count); 633extern void cx88_shutdown(struct cx88_core *core); 634extern int cx88_reset(struct cx88_core *core); 635 636extern int 637cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, 638 struct scatterlist *sglist, 639 unsigned int top_offset, unsigned int bottom_offset, 640 unsigned int bpl, unsigned int padding, unsigned int lines); 641extern int 642cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc, 643 struct scatterlist *sglist, unsigned int bpl, 644 unsigned int lines, unsigned int lpi); 645extern int 646cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, 647 u32 reg, u32 mask, u32 value); 648extern void 649cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf); 650 651extern void cx88_risc_disasm(struct cx88_core *core, 652 struct btcx_riscmem *risc); 653extern int cx88_sram_channel_setup(struct cx88_core *core, 654 const struct sram_channel *ch, 655 unsigned int bpl, u32 risc); 656extern void cx88_sram_channel_dump(struct cx88_core *core, 657 const struct sram_channel *ch); 658 659extern int cx88_set_scale(struct cx88_core *core, unsigned int width, 660 unsigned int height, enum v4l2_field field); 661extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm); 662 663extern struct video_device *cx88_vdev_init(struct cx88_core *core, 664 struct pci_dev *pci, 665 const struct video_device *template_, 666 const char *type); 667extern struct cx88_core* cx88_core_get(struct pci_dev *pci); 668extern void cx88_core_put(struct cx88_core *core, 669 struct pci_dev *pci); 670 671extern int cx88_start_audio_dma(struct cx88_core *core); 672extern int cx88_stop_audio_dma(struct cx88_core *core); 673 674 675/* ----------------------------------------------------------- */ 676/* cx88-vbi.c */ 677 678/* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */ 679int cx8800_vbi_fmt (struct file *file, void *priv, 680 struct v4l2_format *f); 681 682/* 683int cx8800_start_vbi_dma(struct cx8800_dev *dev, 684 struct cx88_dmaqueue *q, 685 struct cx88_buffer *buf); 686*/ 687int cx8800_stop_vbi_dma(struct cx8800_dev *dev); 688int cx8800_restart_vbi_queue(struct cx8800_dev *dev, 689 struct cx88_dmaqueue *q); 690void cx8800_vbi_timeout(unsigned long data); 691 692extern const struct videobuf_queue_ops cx8800_vbi_qops; 693 694/* ----------------------------------------------------------- */ 695/* cx88-i2c.c */ 696 697extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci); 698 699 700/* ----------------------------------------------------------- */ 701/* cx88-cards.c */ 702 703extern int cx88_tuner_callback(void *dev, int component, int command, int arg); 704extern int cx88_get_resources(const struct cx88_core *core, 705 struct pci_dev *pci); 706extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr); 707extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl); 708 709/* ----------------------------------------------------------- */ 710/* cx88-tvaudio.c */ 711 712void cx88_set_tvaudio(struct cx88_core *core); 713void cx88_newstation(struct cx88_core *core); 714void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t); 715void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual); 716int cx88_audio_thread(void *data); 717 718int cx8802_register_driver(struct cx8802_driver *drv); 719int cx8802_unregister_driver(struct cx8802_driver *drv); 720 721/* Caller must hold core->lock */ 722struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype); 723 724/* ----------------------------------------------------------- */ 725/* cx88-dsp.c */ 726 727s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core); 728 729/* ----------------------------------------------------------- */ 730/* cx88-input.c */ 731 732int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci); 733int cx88_ir_fini(struct cx88_core *core); 734void cx88_ir_irq(struct cx88_core *core); 735int cx88_ir_start(struct cx88_core *core); 736void cx88_ir_stop(struct cx88_core *core); 737extern void cx88_i2c_init_ir(struct cx88_core *core); 738 739/* ----------------------------------------------------------- */ 740/* cx88-mpeg.c */ 741 742int cx8802_buf_prepare(struct videobuf_queue *q,struct cx8802_dev *dev, 743 struct cx88_buffer *buf, enum v4l2_field field); 744void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf); 745void cx8802_cancel_buffers(struct cx8802_dev *dev); 746 747/* ----------------------------------------------------------- */ 748/* cx88-video.c*/ 749int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i); 750int cx88_set_freq(struct cx88_core *core, const struct v4l2_frequency *f); 751int cx88_video_mux(struct cx88_core *core, unsigned int input); 752void cx88_querycap(struct file *file, struct cx88_core *core, 753 struct v4l2_capability *cap); 754