1 /* 2 * Driver for the Conexant CX23885 PCIe bridge 3 * 4 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org> 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 * 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/kdev_t.h> 25 #include <linux/slab.h> 26 27 #include <media/v4l2-device.h> 28 #include <media/tuner.h> 29 #include <media/tveeprom.h> 30 #include <media/videobuf-dma-sg.h> 31 #include <media/videobuf-dvb.h> 32 #include <media/rc-core.h> 33 34 #include "btcx-risc.h" 35 #include "cx23885-reg.h" 36 #include "media/cx2341x.h" 37 38 #include <linux/mutex.h> 39 40 #define CX23885_VERSION "0.0.3" 41 42 #define UNSET (-1U) 43 44 #define CX23885_MAXBOARDS 8 45 46 /* Max number of inputs by card */ 47 #define MAX_CX23885_INPUT 8 48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr]) 49 #define RESOURCE_OVERLAY 1 50 #define RESOURCE_VIDEO 2 51 #define RESOURCE_VBI 4 52 53 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ 54 55 #define CX23885_BOARD_NOAUTO UNSET 56 #define CX23885_BOARD_UNKNOWN 0 57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1 58 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2 59 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3 60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4 61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5 62 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6 63 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7 64 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8 65 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9 66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10 67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11 68 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12 69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13 70 #define CX23885_BOARD_TBS_6920 14 71 #define CX23885_BOARD_TEVII_S470 15 72 #define CX23885_BOARD_DVBWORLD_2005 16 73 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17 74 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18 75 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19 76 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20 77 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21 78 #define CX23885_BOARD_MYGICA_X8506 22 79 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23 80 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24 81 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25 82 #define CX23885_BOARD_HAUPPAUGE_HVR1290 26 83 #define CX23885_BOARD_MYGICA_X8558PRO 27 84 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28 85 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29 86 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30 87 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31 88 #define CX23885_BOARD_MPX885 32 89 #define CX23885_BOARD_MYGICA_X8507 33 90 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34 91 #define CX23885_BOARD_TEVII_S471 35 92 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36 93 #define CX23885_BOARD_PROF_8000 37 94 #define CX23885_BOARD_HAUPPAUGE_HVR4400 38 95 #define CX23885_BOARD_AVERMEDIA_HC81R 39 96 97 #define GPIO_0 0x00000001 98 #define GPIO_1 0x00000002 99 #define GPIO_2 0x00000004 100 #define GPIO_3 0x00000008 101 #define GPIO_4 0x00000010 102 #define GPIO_5 0x00000020 103 #define GPIO_6 0x00000040 104 #define GPIO_7 0x00000080 105 #define GPIO_8 0x00000100 106 #define GPIO_9 0x00000200 107 #define GPIO_10 0x00000400 108 #define GPIO_11 0x00000800 109 #define GPIO_12 0x00001000 110 #define GPIO_13 0x00002000 111 #define GPIO_14 0x00004000 112 #define GPIO_15 0x00008000 113 114 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ 115 #define CX23885_NORMS (\ 116 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \ 117 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ 118 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \ 119 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK) 120 121 struct cx23885_fmt { 122 char *name; 123 u32 fourcc; /* v4l2 format id */ 124 int depth; 125 int flags; 126 u32 cxformat; 127 }; 128 129 struct cx23885_ctrl { 130 struct v4l2_queryctrl v; 131 u32 off; 132 u32 reg; 133 u32 mask; 134 u32 shift; 135 }; 136 137 struct cx23885_tvnorm { 138 char *name; 139 v4l2_std_id id; 140 u32 cxiformat; 141 u32 cxoformat; 142 }; 143 144 struct cx23885_fh { 145 struct cx23885_dev *dev; 146 enum v4l2_buf_type type; 147 int radio; 148 u32 resources; 149 150 /* video overlay */ 151 struct v4l2_window win; 152 struct v4l2_clip *clips; 153 unsigned int nclips; 154 155 /* video capture */ 156 struct cx23885_fmt *fmt; 157 unsigned int width, height; 158 159 /* vbi capture */ 160 struct videobuf_queue vidq; 161 struct videobuf_queue vbiq; 162 163 /* MPEG Encoder specifics ONLY */ 164 struct videobuf_queue mpegq; 165 atomic_t v4l_reading; 166 }; 167 168 enum cx23885_itype { 169 CX23885_VMUX_COMPOSITE1 = 1, 170 CX23885_VMUX_COMPOSITE2, 171 CX23885_VMUX_COMPOSITE3, 172 CX23885_VMUX_COMPOSITE4, 173 CX23885_VMUX_SVIDEO, 174 CX23885_VMUX_COMPONENT, 175 CX23885_VMUX_TELEVISION, 176 CX23885_VMUX_CABLE, 177 CX23885_VMUX_DVB, 178 CX23885_VMUX_DEBUG, 179 CX23885_RADIO, 180 }; 181 182 enum cx23885_src_sel_type { 183 CX23885_SRC_SEL_EXT_656_VIDEO = 0, 184 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO 185 }; 186 187 /* buffer for one video frame */ 188 struct cx23885_buffer { 189 /* common v4l buffer stuff -- must be first */ 190 struct videobuf_buffer vb; 191 192 /* cx23885 specific */ 193 unsigned int bpl; 194 struct btcx_riscmem risc; 195 struct cx23885_fmt *fmt; 196 u32 count; 197 }; 198 199 struct cx23885_input { 200 enum cx23885_itype type; 201 unsigned int vmux; 202 unsigned int amux; 203 u32 gpio0, gpio1, gpio2, gpio3; 204 }; 205 206 typedef enum { 207 CX23885_MPEG_UNDEFINED = 0, 208 CX23885_MPEG_DVB, 209 CX23885_ANALOG_VIDEO, 210 CX23885_MPEG_ENCODER, 211 } port_t; 212 213 struct cx23885_board { 214 char *name; 215 port_t porta, portb, portc; 216 int num_fds_portb, num_fds_portc; 217 unsigned int tuner_type; 218 unsigned int radio_type; 219 unsigned char tuner_addr; 220 unsigned char radio_addr; 221 unsigned int tuner_bus; 222 223 /* Vendors can and do run the PCIe bridge at different 224 * clock rates, driven physically by crystals on the PCBs. 225 * The core has to accommodate this. This allows the user 226 * to add new boards with new frequencys. The value is 227 * expressed in Hz. 228 * 229 * The core framework will default this value based on 230 * current designs, but it can vary. 231 */ 232 u32 clk_freq; 233 struct cx23885_input input[MAX_CX23885_INPUT]; 234 int ci_type; /* for NetUP */ 235 /* Force bottom field first during DMA (888 workaround) */ 236 u32 force_bff; 237 }; 238 239 struct cx23885_subid { 240 u16 subvendor; 241 u16 subdevice; 242 u32 card; 243 }; 244 245 struct cx23885_i2c { 246 struct cx23885_dev *dev; 247 248 int nr; 249 250 /* i2c i/o */ 251 struct i2c_adapter i2c_adap; 252 struct i2c_client i2c_client; 253 u32 i2c_rc; 254 255 /* 885 registers used for raw addess */ 256 u32 i2c_period; 257 u32 reg_ctrl; 258 u32 reg_stat; 259 u32 reg_addr; 260 u32 reg_rdata; 261 u32 reg_wdata; 262 }; 263 264 struct cx23885_dmaqueue { 265 struct list_head active; 266 struct list_head queued; 267 struct timer_list timeout; 268 struct btcx_riscmem stopper; 269 u32 count; 270 }; 271 272 struct cx23885_tsport { 273 struct cx23885_dev *dev; 274 275 int nr; 276 int sram_chno; 277 278 struct videobuf_dvb_frontends frontends; 279 280 /* dma queues */ 281 struct cx23885_dmaqueue mpegq; 282 u32 ts_packet_size; 283 u32 ts_packet_count; 284 285 int width; 286 int height; 287 288 spinlock_t slock; 289 290 /* registers */ 291 u32 reg_gpcnt; 292 u32 reg_gpcnt_ctl; 293 u32 reg_dma_ctl; 294 u32 reg_lngth; 295 u32 reg_hw_sop_ctrl; 296 u32 reg_gen_ctrl; 297 u32 reg_bd_pkt_status; 298 u32 reg_sop_status; 299 u32 reg_fifo_ovfl_stat; 300 u32 reg_vld_misc; 301 u32 reg_ts_clk_en; 302 u32 reg_ts_int_msk; 303 u32 reg_ts_int_stat; 304 u32 reg_src_sel; 305 306 /* Default register vals */ 307 int pci_irqmask; 308 u32 dma_ctl_val; 309 u32 ts_int_msk_val; 310 u32 gen_ctrl_val; 311 u32 ts_clk_en_val; 312 u32 src_sel_val; 313 u32 vld_misc_val; 314 u32 hw_sop_ctrl_val; 315 316 /* Allow a single tsport to have multiple frontends */ 317 u32 num_frontends; 318 void (*gate_ctrl)(struct cx23885_tsport *port, int open); 319 void *port_priv; 320 321 /* Workaround for a temp dvb_frontend that the tuner can attached to */ 322 struct dvb_frontend analog_fe; 323 324 int (*set_frontend)(struct dvb_frontend *fe); 325 }; 326 327 struct cx23885_kernel_ir { 328 struct cx23885_dev *cx; 329 char *name; 330 char *phys; 331 332 struct rc_dev *rc; 333 }; 334 335 struct cx23885_audio_buffer { 336 unsigned int bpl; 337 struct btcx_riscmem risc; 338 struct videobuf_dmabuf dma; 339 }; 340 341 struct cx23885_audio_dev { 342 struct cx23885_dev *dev; 343 344 struct pci_dev *pci; 345 346 struct snd_card *card; 347 348 spinlock_t lock; 349 350 atomic_t count; 351 352 unsigned int dma_size; 353 unsigned int period_size; 354 unsigned int num_periods; 355 356 struct videobuf_dmabuf *dma_risc; 357 358 struct cx23885_audio_buffer *buf; 359 360 struct snd_pcm_substream *substream; 361 }; 362 363 struct cx23885_dev { 364 atomic_t refcount; 365 struct v4l2_device v4l2_dev; 366 367 /* pci stuff */ 368 struct pci_dev *pci; 369 unsigned char pci_rev, pci_lat; 370 int pci_bus, pci_slot; 371 u32 __iomem *lmmio; 372 u8 __iomem *bmmio; 373 int pci_irqmask; 374 spinlock_t pci_irqmask_lock; /* protects mask reg too */ 375 int hwrevision; 376 377 /* This valud is board specific and is used to configure the 378 * AV core so we see nice clean and stable video and audio. */ 379 u32 clk_freq; 380 381 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ 382 struct cx23885_i2c i2c_bus[3]; 383 384 int nr; 385 struct mutex lock; 386 struct mutex gpio_lock; 387 388 /* board details */ 389 unsigned int board; 390 char name[32]; 391 392 struct cx23885_tsport ts1, ts2; 393 394 /* sram configuration */ 395 struct sram_channel *sram_channels; 396 397 enum { 398 CX23885_BRIDGE_UNDEFINED = 0, 399 CX23885_BRIDGE_885 = 885, 400 CX23885_BRIDGE_887 = 887, 401 CX23885_BRIDGE_888 = 888, 402 } bridge; 403 404 /* Analog video */ 405 u32 resources; 406 unsigned int input; 407 unsigned int audinput; /* Selectable audio input */ 408 u32 tvaudio; 409 v4l2_std_id tvnorm; 410 unsigned int tuner_type; 411 unsigned char tuner_addr; 412 unsigned int tuner_bus; 413 unsigned int radio_type; 414 unsigned char radio_addr; 415 unsigned int has_radio; 416 struct v4l2_subdev *sd_cx25840; 417 struct work_struct cx25840_work; 418 419 /* Infrared */ 420 struct v4l2_subdev *sd_ir; 421 struct work_struct ir_rx_work; 422 unsigned long ir_rx_notifications; 423 struct work_struct ir_tx_work; 424 unsigned long ir_tx_notifications; 425 426 struct cx23885_kernel_ir *kernel_ir; 427 atomic_t ir_input_stopping; 428 429 /* V4l */ 430 u32 freq; 431 struct video_device *video_dev; 432 struct video_device *vbi_dev; 433 struct video_device *radio_dev; 434 435 struct cx23885_dmaqueue vidq; 436 struct cx23885_dmaqueue vbiq; 437 spinlock_t slock; 438 439 /* MPEG Encoder ONLY settings */ 440 u32 cx23417_mailbox; 441 struct cx2341x_mpeg_params mpeg_params; 442 struct video_device *v4l_device; 443 atomic_t v4l_reader_count; 444 struct cx23885_tvnorm encodernorm; 445 446 /* Analog raw audio */ 447 struct cx23885_audio_dev *audio_dev; 448 449 }; 450 451 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) 452 { 453 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev); 454 } 455 456 #define call_all(dev, o, f, args...) \ 457 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) 458 459 #define CX23885_HW_888_IR (1 << 0) 460 #define CX23885_HW_AV_CORE (1 << 1) 461 462 #define call_hw(dev, grpid, o, f, args...) \ 463 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) 464 465 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); 466 467 #define SRAM_CH01 0 /* Video A */ 468 #define SRAM_CH02 1 /* VBI A */ 469 #define SRAM_CH03 2 /* Video B */ 470 #define SRAM_CH04 3 /* Transport via B */ 471 #define SRAM_CH05 4 /* VBI B */ 472 #define SRAM_CH06 5 /* Video C */ 473 #define SRAM_CH07 6 /* Transport via C */ 474 #define SRAM_CH08 7 /* Audio Internal A */ 475 #define SRAM_CH09 8 /* Audio Internal B */ 476 #define SRAM_CH10 9 /* Audio External */ 477 #define SRAM_CH11 10 /* COMB_3D_N */ 478 #define SRAM_CH12 11 /* Comb 3D N1 */ 479 #define SRAM_CH13 12 /* Comb 3D N2 */ 480 #define SRAM_CH14 13 /* MOE Vid */ 481 #define SRAM_CH15 14 /* MOE RSLT */ 482 483 struct sram_channel { 484 char *name; 485 u32 cmds_start; 486 u32 ctrl_start; 487 u32 cdt; 488 u32 fifo_start; 489 u32 fifo_size; 490 u32 ptr1_reg; 491 u32 ptr2_reg; 492 u32 cnt1_reg; 493 u32 cnt2_reg; 494 u32 jumponly; 495 }; 496 497 /* ----------------------------------------------------------- */ 498 499 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) 500 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) 501 502 #define cx_andor(reg, mask, value) \ 503 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ 504 ((value) & (mask)), dev->lmmio+((reg)>>2)) 505 506 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) 507 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) 508 509 /* ----------------------------------------------------------- */ 510 /* cx23885-core.c */ 511 512 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, 513 struct sram_channel *ch, 514 unsigned int bpl, u32 risc); 515 516 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, 517 struct sram_channel *ch); 518 519 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, 520 u32 reg, u32 mask, u32 value); 521 522 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, 523 struct scatterlist *sglist, 524 unsigned int top_offset, unsigned int bottom_offset, 525 unsigned int bpl, unsigned int padding, unsigned int lines); 526 527 extern int cx23885_risc_vbibuffer(struct pci_dev *pci, 528 struct btcx_riscmem *risc, struct scatterlist *sglist, 529 unsigned int top_offset, unsigned int bottom_offset, 530 unsigned int bpl, unsigned int padding, unsigned int lines); 531 532 void cx23885_cancel_buffers(struct cx23885_tsport *port); 533 534 extern int cx23885_restart_queue(struct cx23885_tsport *port, 535 struct cx23885_dmaqueue *q); 536 537 extern void cx23885_wakeup(struct cx23885_tsport *port, 538 struct cx23885_dmaqueue *q, u32 count); 539 540 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask); 541 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask); 542 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); 543 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, 544 int asoutput); 545 546 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); 547 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); 548 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); 549 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); 550 551 /* ----------------------------------------------------------- */ 552 /* cx23885-cards.c */ 553 extern struct cx23885_board cx23885_boards[]; 554 extern const unsigned int cx23885_bcount; 555 556 extern struct cx23885_subid cx23885_subids[]; 557 extern const unsigned int cx23885_idcount; 558 559 extern int cx23885_tuner_callback(void *priv, int component, 560 int command, int arg); 561 extern void cx23885_card_list(struct cx23885_dev *dev); 562 extern int cx23885_ir_init(struct cx23885_dev *dev); 563 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev); 564 extern void cx23885_ir_fini(struct cx23885_dev *dev); 565 extern void cx23885_gpio_setup(struct cx23885_dev *dev); 566 extern void cx23885_card_setup(struct cx23885_dev *dev); 567 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); 568 569 extern int cx23885_dvb_register(struct cx23885_tsport *port); 570 extern int cx23885_dvb_unregister(struct cx23885_tsport *port); 571 572 extern int cx23885_buf_prepare(struct videobuf_queue *q, 573 struct cx23885_tsport *port, 574 struct cx23885_buffer *buf, 575 enum v4l2_field field); 576 extern void cx23885_buf_queue(struct cx23885_tsport *port, 577 struct cx23885_buffer *buf); 578 extern void cx23885_free_buffer(struct videobuf_queue *q, 579 struct cx23885_buffer *buf); 580 581 /* ----------------------------------------------------------- */ 582 /* cx23885-video.c */ 583 /* Video */ 584 extern int cx23885_video_register(struct cx23885_dev *dev); 585 extern void cx23885_video_unregister(struct cx23885_dev *dev); 586 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); 587 extern void cx23885_video_wakeup(struct cx23885_dev *dev, 588 struct cx23885_dmaqueue *q, u32 count); 589 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i); 590 int cx23885_set_input(struct file *file, void *priv, unsigned int i); 591 int cx23885_get_input(struct file *file, void *priv, unsigned int *i); 592 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f); 593 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 594 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 595 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm); 596 597 /* ----------------------------------------------------------- */ 598 /* cx23885-vbi.c */ 599 extern int cx23885_vbi_fmt(struct file *file, void *priv, 600 struct v4l2_format *f); 601 extern void cx23885_vbi_timeout(unsigned long data); 602 extern struct videobuf_queue_ops cx23885_vbi_qops; 603 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev, 604 struct cx23885_dmaqueue *q); 605 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status); 606 607 /* cx23885-i2c.c */ 608 extern int cx23885_i2c_register(struct cx23885_i2c *bus); 609 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); 610 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable); 611 612 /* ----------------------------------------------------------- */ 613 /* cx23885-417.c */ 614 extern int cx23885_417_register(struct cx23885_dev *dev); 615 extern void cx23885_417_unregister(struct cx23885_dev *dev); 616 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status); 617 extern void cx23885_417_check_encoder(struct cx23885_dev *dev); 618 extern void cx23885_mc417_init(struct cx23885_dev *dev); 619 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); 620 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); 621 extern int mc417_register_read(struct cx23885_dev *dev, 622 u16 address, u32 *value); 623 extern int mc417_register_write(struct cx23885_dev *dev, 624 u16 address, u32 value); 625 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); 626 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); 627 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); 628 629 /* ----------------------------------------------------------- */ 630 /* cx23885-alsa.c */ 631 extern struct cx23885_audio_dev *cx23885_audio_register( 632 struct cx23885_dev *dev); 633 extern void cx23885_audio_unregister(struct cx23885_dev *dev); 634 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); 635 extern int cx23885_risc_databuffer(struct pci_dev *pci, 636 struct btcx_riscmem *risc, 637 struct scatterlist *sglist, 638 unsigned int bpl, 639 unsigned int lines, 640 unsigned int lpi); 641 642 /* ----------------------------------------------------------- */ 643 /* tv norms */ 644 645 static inline unsigned int norm_maxw(v4l2_std_id norm) 646 { 647 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; 648 } 649 650 static inline unsigned int norm_maxh(v4l2_std_id norm) 651 { 652 return (norm & V4L2_STD_625_50) ? 576 : 480; 653 } 654 655 static inline unsigned int norm_swidth(v4l2_std_id norm) 656 { 657 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; 658 } 659