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 }; 324 325 struct cx23885_kernel_ir { 326 struct cx23885_dev *cx; 327 char *name; 328 char *phys; 329 330 struct rc_dev *rc; 331 }; 332 333 struct cx23885_audio_buffer { 334 unsigned int bpl; 335 struct btcx_riscmem risc; 336 struct videobuf_dmabuf dma; 337 }; 338 339 struct cx23885_audio_dev { 340 struct cx23885_dev *dev; 341 342 struct pci_dev *pci; 343 344 struct snd_card *card; 345 346 spinlock_t lock; 347 348 atomic_t count; 349 350 unsigned int dma_size; 351 unsigned int period_size; 352 unsigned int num_periods; 353 354 struct videobuf_dmabuf *dma_risc; 355 356 struct cx23885_audio_buffer *buf; 357 358 struct snd_pcm_substream *substream; 359 }; 360 361 struct cx23885_dev { 362 atomic_t refcount; 363 struct v4l2_device v4l2_dev; 364 365 /* pci stuff */ 366 struct pci_dev *pci; 367 unsigned char pci_rev, pci_lat; 368 int pci_bus, pci_slot; 369 u32 __iomem *lmmio; 370 u8 __iomem *bmmio; 371 int pci_irqmask; 372 spinlock_t pci_irqmask_lock; /* protects mask reg too */ 373 int hwrevision; 374 375 /* This valud is board specific and is used to configure the 376 * AV core so we see nice clean and stable video and audio. */ 377 u32 clk_freq; 378 379 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ 380 struct cx23885_i2c i2c_bus[3]; 381 382 int nr; 383 struct mutex lock; 384 struct mutex gpio_lock; 385 386 /* board details */ 387 unsigned int board; 388 char name[32]; 389 390 struct cx23885_tsport ts1, ts2; 391 392 /* sram configuration */ 393 struct sram_channel *sram_channels; 394 395 enum { 396 CX23885_BRIDGE_UNDEFINED = 0, 397 CX23885_BRIDGE_885 = 885, 398 CX23885_BRIDGE_887 = 887, 399 CX23885_BRIDGE_888 = 888, 400 } bridge; 401 402 /* Analog video */ 403 u32 resources; 404 unsigned int input; 405 unsigned int audinput; /* Selectable audio input */ 406 u32 tvaudio; 407 v4l2_std_id tvnorm; 408 unsigned int tuner_type; 409 unsigned char tuner_addr; 410 unsigned int tuner_bus; 411 unsigned int radio_type; 412 unsigned char radio_addr; 413 unsigned int has_radio; 414 struct v4l2_subdev *sd_cx25840; 415 struct work_struct cx25840_work; 416 417 /* Infrared */ 418 struct v4l2_subdev *sd_ir; 419 struct work_struct ir_rx_work; 420 unsigned long ir_rx_notifications; 421 struct work_struct ir_tx_work; 422 unsigned long ir_tx_notifications; 423 424 struct cx23885_kernel_ir *kernel_ir; 425 atomic_t ir_input_stopping; 426 427 /* V4l */ 428 u32 freq; 429 struct video_device *video_dev; 430 struct video_device *vbi_dev; 431 struct video_device *radio_dev; 432 433 struct cx23885_dmaqueue vidq; 434 struct cx23885_dmaqueue vbiq; 435 spinlock_t slock; 436 437 /* MPEG Encoder ONLY settings */ 438 u32 cx23417_mailbox; 439 struct cx2341x_mpeg_params mpeg_params; 440 struct video_device *v4l_device; 441 atomic_t v4l_reader_count; 442 struct cx23885_tvnorm encodernorm; 443 444 /* Analog raw audio */ 445 struct cx23885_audio_dev *audio_dev; 446 447 }; 448 449 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) 450 { 451 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev); 452 } 453 454 #define call_all(dev, o, f, args...) \ 455 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) 456 457 #define CX23885_HW_888_IR (1 << 0) 458 #define CX23885_HW_AV_CORE (1 << 1) 459 460 #define call_hw(dev, grpid, o, f, args...) \ 461 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) 462 463 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); 464 465 #define SRAM_CH01 0 /* Video A */ 466 #define SRAM_CH02 1 /* VBI A */ 467 #define SRAM_CH03 2 /* Video B */ 468 #define SRAM_CH04 3 /* Transport via B */ 469 #define SRAM_CH05 4 /* VBI B */ 470 #define SRAM_CH06 5 /* Video C */ 471 #define SRAM_CH07 6 /* Transport via C */ 472 #define SRAM_CH08 7 /* Audio Internal A */ 473 #define SRAM_CH09 8 /* Audio Internal B */ 474 #define SRAM_CH10 9 /* Audio External */ 475 #define SRAM_CH11 10 /* COMB_3D_N */ 476 #define SRAM_CH12 11 /* Comb 3D N1 */ 477 #define SRAM_CH13 12 /* Comb 3D N2 */ 478 #define SRAM_CH14 13 /* MOE Vid */ 479 #define SRAM_CH15 14 /* MOE RSLT */ 480 481 struct sram_channel { 482 char *name; 483 u32 cmds_start; 484 u32 ctrl_start; 485 u32 cdt; 486 u32 fifo_start; 487 u32 fifo_size; 488 u32 ptr1_reg; 489 u32 ptr2_reg; 490 u32 cnt1_reg; 491 u32 cnt2_reg; 492 u32 jumponly; 493 }; 494 495 /* ----------------------------------------------------------- */ 496 497 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) 498 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) 499 500 #define cx_andor(reg, mask, value) \ 501 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ 502 ((value) & (mask)), dev->lmmio+((reg)>>2)) 503 504 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) 505 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) 506 507 /* ----------------------------------------------------------- */ 508 /* cx23885-core.c */ 509 510 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, 511 struct sram_channel *ch, 512 unsigned int bpl, u32 risc); 513 514 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, 515 struct sram_channel *ch); 516 517 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, 518 u32 reg, u32 mask, u32 value); 519 520 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, 521 struct scatterlist *sglist, 522 unsigned int top_offset, unsigned int bottom_offset, 523 unsigned int bpl, unsigned int padding, unsigned int lines); 524 525 extern int cx23885_risc_vbibuffer(struct pci_dev *pci, 526 struct btcx_riscmem *risc, struct scatterlist *sglist, 527 unsigned int top_offset, unsigned int bottom_offset, 528 unsigned int bpl, unsigned int padding, unsigned int lines); 529 530 void cx23885_cancel_buffers(struct cx23885_tsport *port); 531 532 extern int cx23885_restart_queue(struct cx23885_tsport *port, 533 struct cx23885_dmaqueue *q); 534 535 extern void cx23885_wakeup(struct cx23885_tsport *port, 536 struct cx23885_dmaqueue *q, u32 count); 537 538 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask); 539 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask); 540 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); 541 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, 542 int asoutput); 543 544 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); 545 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); 546 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); 547 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); 548 549 /* ----------------------------------------------------------- */ 550 /* cx23885-cards.c */ 551 extern struct cx23885_board cx23885_boards[]; 552 extern const unsigned int cx23885_bcount; 553 554 extern struct cx23885_subid cx23885_subids[]; 555 extern const unsigned int cx23885_idcount; 556 557 extern int cx23885_tuner_callback(void *priv, int component, 558 int command, int arg); 559 extern void cx23885_card_list(struct cx23885_dev *dev); 560 extern int cx23885_ir_init(struct cx23885_dev *dev); 561 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev); 562 extern void cx23885_ir_fini(struct cx23885_dev *dev); 563 extern void cx23885_gpio_setup(struct cx23885_dev *dev); 564 extern void cx23885_card_setup(struct cx23885_dev *dev); 565 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); 566 567 extern int cx23885_dvb_register(struct cx23885_tsport *port); 568 extern int cx23885_dvb_unregister(struct cx23885_tsport *port); 569 570 extern int cx23885_buf_prepare(struct videobuf_queue *q, 571 struct cx23885_tsport *port, 572 struct cx23885_buffer *buf, 573 enum v4l2_field field); 574 extern void cx23885_buf_queue(struct cx23885_tsport *port, 575 struct cx23885_buffer *buf); 576 extern void cx23885_free_buffer(struct videobuf_queue *q, 577 struct cx23885_buffer *buf); 578 579 /* ----------------------------------------------------------- */ 580 /* cx23885-video.c */ 581 /* Video */ 582 extern int cx23885_video_register(struct cx23885_dev *dev); 583 extern void cx23885_video_unregister(struct cx23885_dev *dev); 584 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); 585 extern void cx23885_video_wakeup(struct cx23885_dev *dev, 586 struct cx23885_dmaqueue *q, u32 count); 587 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i); 588 int cx23885_set_input(struct file *file, void *priv, unsigned int i); 589 int cx23885_get_input(struct file *file, void *priv, unsigned int *i); 590 int cx23885_set_frequency(struct file *file, void *priv, struct v4l2_frequency *f); 591 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 592 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 593 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm); 594 595 /* ----------------------------------------------------------- */ 596 /* cx23885-vbi.c */ 597 extern int cx23885_vbi_fmt(struct file *file, void *priv, 598 struct v4l2_format *f); 599 extern void cx23885_vbi_timeout(unsigned long data); 600 extern struct videobuf_queue_ops cx23885_vbi_qops; 601 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev, 602 struct cx23885_dmaqueue *q); 603 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status); 604 605 /* cx23885-i2c.c */ 606 extern int cx23885_i2c_register(struct cx23885_i2c *bus); 607 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); 608 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable); 609 610 /* ----------------------------------------------------------- */ 611 /* cx23885-417.c */ 612 extern int cx23885_417_register(struct cx23885_dev *dev); 613 extern void cx23885_417_unregister(struct cx23885_dev *dev); 614 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status); 615 extern void cx23885_417_check_encoder(struct cx23885_dev *dev); 616 extern void cx23885_mc417_init(struct cx23885_dev *dev); 617 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); 618 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); 619 extern int mc417_register_read(struct cx23885_dev *dev, 620 u16 address, u32 *value); 621 extern int mc417_register_write(struct cx23885_dev *dev, 622 u16 address, u32 value); 623 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); 624 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); 625 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); 626 627 /* ----------------------------------------------------------- */ 628 /* cx23885-alsa.c */ 629 extern struct cx23885_audio_dev *cx23885_audio_register( 630 struct cx23885_dev *dev); 631 extern void cx23885_audio_unregister(struct cx23885_dev *dev); 632 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); 633 extern int cx23885_risc_databuffer(struct pci_dev *pci, 634 struct btcx_riscmem *risc, 635 struct scatterlist *sglist, 636 unsigned int bpl, 637 unsigned int lines, 638 unsigned int lpi); 639 640 /* ----------------------------------------------------------- */ 641 /* tv norms */ 642 643 static inline unsigned int norm_maxw(v4l2_std_id norm) 644 { 645 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; 646 } 647 648 static inline unsigned int norm_maxh(v4l2_std_id norm) 649 { 650 return (norm & V4L2_STD_625_50) ? 576 : 480; 651 } 652 653 static inline unsigned int norm_swidth(v4l2_std_id norm) 654 { 655 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; 656 } 657