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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 | /* * Driver for the Conexant CX23885 PCIe bridge * * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/pci.h> #include <linux/i2c.h> #include <linux/kdev_t.h> #include <linux/slab.h> #include <media/v4l2-device.h> #include <media/tuner.h> #include <media/tveeprom.h> #include <media/videobuf-dma-sg.h> #include <media/videobuf-dvb.h> #include <media/rc-core.h> #include "btcx-risc.h" #include "cx23885-reg.h" #include "media/cx2341x.h" #include <linux/mutex.h> #define CX23885_VERSION "0.0.3" #define UNSET (-1U) #define CX23885_MAXBOARDS 8 /* Max number of inputs by card */ #define MAX_CX23885_INPUT 8 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr]) #define RESOURCE_OVERLAY 1 #define RESOURCE_VIDEO 2 #define RESOURCE_VBI 4 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ #define CX23885_BOARD_NOAUTO UNSET #define CX23885_BOARD_UNKNOWN 0 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13 #define CX23885_BOARD_TBS_6920 14 #define CX23885_BOARD_TEVII_S470 15 #define CX23885_BOARD_DVBWORLD_2005 16 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21 #define CX23885_BOARD_MYGICA_X8506 22 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25 #define CX23885_BOARD_HAUPPAUGE_HVR1290 26 #define CX23885_BOARD_MYGICA_X8558PRO 27 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31 #define CX23885_BOARD_MPX885 32 #define CX23885_BOARD_MYGICA_X8507 33 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34 #define CX23885_BOARD_TEVII_S471 35 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36 #define CX23885_BOARD_PROF_8000 37 #define CX23885_BOARD_HAUPPAUGE_HVR4400 38 #define CX23885_BOARD_AVERMEDIA_HC81R 39 #define GPIO_0 0x00000001 #define GPIO_1 0x00000002 #define GPIO_2 0x00000004 #define GPIO_3 0x00000008 #define GPIO_4 0x00000010 #define GPIO_5 0x00000020 #define GPIO_6 0x00000040 #define GPIO_7 0x00000080 #define GPIO_8 0x00000100 #define GPIO_9 0x00000200 #define GPIO_10 0x00000400 #define GPIO_11 0x00000800 #define GPIO_12 0x00001000 #define GPIO_13 0x00002000 #define GPIO_14 0x00004000 #define GPIO_15 0x00008000 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ #define CX23885_NORMS (\ V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \ V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \ V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK) struct cx23885_fmt { char *name; u32 fourcc; /* v4l2 format id */ int depth; int flags; u32 cxformat; }; struct cx23885_ctrl { struct v4l2_queryctrl v; u32 off; u32 reg; u32 mask; u32 shift; }; struct cx23885_tvnorm { char *name; v4l2_std_id id; u32 cxiformat; u32 cxoformat; }; struct cx23885_fh { struct cx23885_dev *dev; enum v4l2_buf_type type; int radio; u32 resources; /* video overlay */ struct v4l2_window win; struct v4l2_clip *clips; unsigned int nclips; /* video capture */ struct cx23885_fmt *fmt; unsigned int width, height; /* vbi capture */ struct videobuf_queue vidq; struct videobuf_queue vbiq; /* MPEG Encoder specifics ONLY */ struct videobuf_queue mpegq; atomic_t v4l_reading; }; enum cx23885_itype { CX23885_VMUX_COMPOSITE1 = 1, CX23885_VMUX_COMPOSITE2, CX23885_VMUX_COMPOSITE3, CX23885_VMUX_COMPOSITE4, CX23885_VMUX_SVIDEO, CX23885_VMUX_COMPONENT, CX23885_VMUX_TELEVISION, CX23885_VMUX_CABLE, CX23885_VMUX_DVB, CX23885_VMUX_DEBUG, CX23885_RADIO, }; enum cx23885_src_sel_type { CX23885_SRC_SEL_EXT_656_VIDEO = 0, CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO }; /* buffer for one video frame */ struct cx23885_buffer { /* common v4l buffer stuff -- must be first */ struct videobuf_buffer vb; /* cx23885 specific */ unsigned int bpl; struct btcx_riscmem risc; struct cx23885_fmt *fmt; u32 count; }; struct cx23885_input { enum cx23885_itype type; unsigned int vmux; unsigned int amux; u32 gpio0, gpio1, gpio2, gpio3; }; typedef enum { CX23885_MPEG_UNDEFINED = 0, CX23885_MPEG_DVB, CX23885_ANALOG_VIDEO, CX23885_MPEG_ENCODER, } port_t; struct cx23885_board { char *name; port_t porta, portb, portc; int num_fds_portb, num_fds_portc; unsigned int tuner_type; unsigned int radio_type; unsigned char tuner_addr; unsigned char radio_addr; unsigned int tuner_bus; /* Vendors can and do run the PCIe bridge at different * clock rates, driven physically by crystals on the PCBs. * The core has to accommodate this. This allows the user * to add new boards with new frequencys. The value is * expressed in Hz. * * The core framework will default this value based on * current designs, but it can vary. */ u32 clk_freq; struct cx23885_input input[MAX_CX23885_INPUT]; int ci_type; /* for NetUP */ /* Force bottom field first during DMA (888 workaround) */ u32 force_bff; }; struct cx23885_subid { u16 subvendor; u16 subdevice; u32 card; }; struct cx23885_i2c { struct cx23885_dev *dev; int nr; /* i2c i/o */ struct i2c_adapter i2c_adap; struct i2c_client i2c_client; u32 i2c_rc; /* 885 registers used for raw addess */ u32 i2c_period; u32 reg_ctrl; u32 reg_stat; u32 reg_addr; u32 reg_rdata; u32 reg_wdata; }; struct cx23885_dmaqueue { struct list_head active; struct list_head queued; struct timer_list timeout; struct btcx_riscmem stopper; u32 count; }; struct cx23885_tsport { struct cx23885_dev *dev; int nr; int sram_chno; struct videobuf_dvb_frontends frontends; /* dma queues */ struct cx23885_dmaqueue mpegq; u32 ts_packet_size; u32 ts_packet_count; int width; int height; spinlock_t slock; /* registers */ u32 reg_gpcnt; u32 reg_gpcnt_ctl; u32 reg_dma_ctl; u32 reg_lngth; u32 reg_hw_sop_ctrl; u32 reg_gen_ctrl; u32 reg_bd_pkt_status; u32 reg_sop_status; u32 reg_fifo_ovfl_stat; u32 reg_vld_misc; u32 reg_ts_clk_en; u32 reg_ts_int_msk; u32 reg_ts_int_stat; u32 reg_src_sel; /* Default register vals */ int pci_irqmask; u32 dma_ctl_val; u32 ts_int_msk_val; u32 gen_ctrl_val; u32 ts_clk_en_val; u32 src_sel_val; u32 vld_misc_val; u32 hw_sop_ctrl_val; /* Allow a single tsport to have multiple frontends */ u32 num_frontends; void (*gate_ctrl)(struct cx23885_tsport *port, int open); void *port_priv; /* Workaround for a temp dvb_frontend that the tuner can attached to */ struct dvb_frontend analog_fe; int (*set_frontend)(struct dvb_frontend *fe); }; struct cx23885_kernel_ir { struct cx23885_dev *cx; char *name; char *phys; struct rc_dev *rc; }; struct cx23885_audio_buffer { unsigned int bpl; struct btcx_riscmem risc; struct videobuf_dmabuf dma; }; struct cx23885_audio_dev { struct cx23885_dev *dev; struct pci_dev *pci; struct snd_card *card; spinlock_t lock; atomic_t count; unsigned int dma_size; unsigned int period_size; unsigned int num_periods; struct videobuf_dmabuf *dma_risc; struct cx23885_audio_buffer *buf; struct snd_pcm_substream *substream; }; struct cx23885_dev { atomic_t refcount; struct v4l2_device v4l2_dev; /* pci stuff */ struct pci_dev *pci; unsigned char pci_rev, pci_lat; int pci_bus, pci_slot; u32 __iomem *lmmio; u8 __iomem *bmmio; int pci_irqmask; spinlock_t pci_irqmask_lock; /* protects mask reg too */ int hwrevision; /* This valud is board specific and is used to configure the * AV core so we see nice clean and stable video and audio. */ u32 clk_freq; /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ struct cx23885_i2c i2c_bus[3]; int nr; struct mutex lock; struct mutex gpio_lock; /* board details */ unsigned int board; char name[32]; struct cx23885_tsport ts1, ts2; /* sram configuration */ struct sram_channel *sram_channels; enum { CX23885_BRIDGE_UNDEFINED = 0, CX23885_BRIDGE_885 = 885, CX23885_BRIDGE_887 = 887, CX23885_BRIDGE_888 = 888, } bridge; /* Analog video */ u32 resources; unsigned int input; unsigned int audinput; /* Selectable audio input */ u32 tvaudio; v4l2_std_id tvnorm; unsigned int tuner_type; unsigned char tuner_addr; unsigned int tuner_bus; unsigned int radio_type; unsigned char radio_addr; unsigned int has_radio; struct v4l2_subdev *sd_cx25840; struct work_struct cx25840_work; /* Infrared */ struct v4l2_subdev *sd_ir; struct work_struct ir_rx_work; unsigned long ir_rx_notifications; struct work_struct ir_tx_work; unsigned long ir_tx_notifications; struct cx23885_kernel_ir *kernel_ir; atomic_t ir_input_stopping; /* V4l */ u32 freq; struct video_device *video_dev; struct video_device *vbi_dev; struct video_device *radio_dev; struct cx23885_dmaqueue vidq; struct cx23885_dmaqueue vbiq; spinlock_t slock; /* MPEG Encoder ONLY settings */ u32 cx23417_mailbox; struct cx2341x_mpeg_params mpeg_params; struct video_device *v4l_device; atomic_t v4l_reader_count; struct cx23885_tvnorm encodernorm; /* Analog raw audio */ struct cx23885_audio_dev *audio_dev; }; static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) { return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev); } #define call_all(dev, o, f, args...) \ v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) #define CX23885_HW_888_IR (1 << 0) #define CX23885_HW_AV_CORE (1 << 1) #define call_hw(dev, grpid, o, f, args...) \ v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); #define SRAM_CH01 0 /* Video A */ #define SRAM_CH02 1 /* VBI A */ #define SRAM_CH03 2 /* Video B */ #define SRAM_CH04 3 /* Transport via B */ #define SRAM_CH05 4 /* VBI B */ #define SRAM_CH06 5 /* Video C */ #define SRAM_CH07 6 /* Transport via C */ #define SRAM_CH08 7 /* Audio Internal A */ #define SRAM_CH09 8 /* Audio Internal B */ #define SRAM_CH10 9 /* Audio External */ #define SRAM_CH11 10 /* COMB_3D_N */ #define SRAM_CH12 11 /* Comb 3D N1 */ #define SRAM_CH13 12 /* Comb 3D N2 */ #define SRAM_CH14 13 /* MOE Vid */ #define SRAM_CH15 14 /* MOE RSLT */ struct sram_channel { char *name; u32 cmds_start; u32 ctrl_start; u32 cdt; u32 fifo_start; u32 fifo_size; u32 ptr1_reg; u32 ptr2_reg; u32 cnt1_reg; u32 cnt2_reg; u32 jumponly; }; /* ----------------------------------------------------------- */ #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) #define cx_andor(reg, mask, value) \ writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ ((value) & (mask)), dev->lmmio+((reg)>>2)) #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) /* ----------------------------------------------------------- */ /* cx23885-core.c */ extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc); extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, struct sram_channel *ch); extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, u32 reg, u32 mask, u32 value); extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, struct scatterlist *sglist, unsigned int top_offset, unsigned int bottom_offset, unsigned int bpl, unsigned int padding, unsigned int lines); extern int cx23885_risc_vbibuffer(struct pci_dev *pci, struct btcx_riscmem *risc, struct scatterlist *sglist, unsigned int top_offset, unsigned int bottom_offset, unsigned int bpl, unsigned int padding, unsigned int lines); void cx23885_cancel_buffers(struct cx23885_tsport *port); extern int cx23885_restart_queue(struct cx23885_tsport *port, struct cx23885_dmaqueue *q); extern void cx23885_wakeup(struct cx23885_tsport *port, struct cx23885_dmaqueue *q, u32 count); extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask); extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask); extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); /* ----------------------------------------------------------- */ /* cx23885-cards.c */ extern struct cx23885_board cx23885_boards[]; extern const unsigned int cx23885_bcount; extern struct cx23885_subid cx23885_subids[]; extern const unsigned int cx23885_idcount; extern int cx23885_tuner_callback(void *priv, int component, int command, int arg); extern void cx23885_card_list(struct cx23885_dev *dev); extern int cx23885_ir_init(struct cx23885_dev *dev); extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev); extern void cx23885_ir_fini(struct cx23885_dev *dev); extern void cx23885_gpio_setup(struct cx23885_dev *dev); extern void cx23885_card_setup(struct cx23885_dev *dev); extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); extern int cx23885_dvb_register(struct cx23885_tsport *port); extern int cx23885_dvb_unregister(struct cx23885_tsport *port); extern int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port, struct cx23885_buffer *buf, enum v4l2_field field); extern void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf); extern void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf); /* ----------------------------------------------------------- */ /* cx23885-video.c */ /* Video */ extern int cx23885_video_register(struct cx23885_dev *dev); extern void cx23885_video_unregister(struct cx23885_dev *dev); extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); extern void cx23885_video_wakeup(struct cx23885_dev *dev, struct cx23885_dmaqueue *q, u32 count); int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i); int cx23885_set_input(struct file *file, void *priv, unsigned int i); int cx23885_get_input(struct file *file, void *priv, unsigned int *i); int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f); int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl); int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl); int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm); /* ----------------------------------------------------------- */ /* cx23885-vbi.c */ extern int cx23885_vbi_fmt(struct file *file, void *priv, struct v4l2_format *f); extern void cx23885_vbi_timeout(unsigned long data); extern struct videobuf_queue_ops cx23885_vbi_qops; extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev, struct cx23885_dmaqueue *q); extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status); /* cx23885-i2c.c */ extern int cx23885_i2c_register(struct cx23885_i2c *bus); extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); extern void cx23885_av_clk(struct cx23885_dev *dev, int enable); /* ----------------------------------------------------------- */ /* cx23885-417.c */ extern int cx23885_417_register(struct cx23885_dev *dev); extern void cx23885_417_unregister(struct cx23885_dev *dev); extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status); extern void cx23885_417_check_encoder(struct cx23885_dev *dev); extern void cx23885_mc417_init(struct cx23885_dev *dev); extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); extern int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value); extern int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value); extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); /* ----------------------------------------------------------- */ /* cx23885-alsa.c */ extern struct cx23885_audio_dev *cx23885_audio_register( struct cx23885_dev *dev); extern void cx23885_audio_unregister(struct cx23885_dev *dev); extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); extern int cx23885_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc, struct scatterlist *sglist, unsigned int bpl, unsigned int lines, unsigned int lpi); /* ----------------------------------------------------------- */ /* tv norms */ static inline unsigned int norm_maxw(v4l2_std_id norm) { return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; } static inline unsigned int norm_maxh(v4l2_std_id norm) { return (norm & V4L2_STD_625_50) ? 576 : 480; } static inline unsigned int norm_swidth(v4l2_std_id norm) { return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; } |