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 #define CX23885_BOARD_TBS_6981 40 97 #define CX23885_BOARD_TBS_6980 41 98 #define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42 99 100 #define GPIO_0 0x00000001 101 #define GPIO_1 0x00000002 102 #define GPIO_2 0x00000004 103 #define GPIO_3 0x00000008 104 #define GPIO_4 0x00000010 105 #define GPIO_5 0x00000020 106 #define GPIO_6 0x00000040 107 #define GPIO_7 0x00000080 108 #define GPIO_8 0x00000100 109 #define GPIO_9 0x00000200 110 #define GPIO_10 0x00000400 111 #define GPIO_11 0x00000800 112 #define GPIO_12 0x00001000 113 #define GPIO_13 0x00002000 114 #define GPIO_14 0x00004000 115 #define GPIO_15 0x00008000 116 117 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ 118 #define CX23885_NORMS (\ 119 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \ 120 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ 121 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \ 122 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK) 123 124 struct cx23885_fmt { 125 char *name; 126 u32 fourcc; /* v4l2 format id */ 127 int depth; 128 int flags; 129 u32 cxformat; 130 }; 131 132 struct cx23885_ctrl { 133 struct v4l2_queryctrl v; 134 u32 off; 135 u32 reg; 136 u32 mask; 137 u32 shift; 138 }; 139 140 struct cx23885_tvnorm { 141 char *name; 142 v4l2_std_id id; 143 u32 cxiformat; 144 u32 cxoformat; 145 }; 146 147 struct cx23885_fh { 148 struct cx23885_dev *dev; 149 enum v4l2_buf_type type; 150 int radio; 151 u32 resources; 152 153 /* video overlay */ 154 struct v4l2_window win; 155 struct v4l2_clip *clips; 156 unsigned int nclips; 157 158 /* video capture */ 159 struct cx23885_fmt *fmt; 160 unsigned int width, height; 161 162 /* vbi capture */ 163 struct videobuf_queue vidq; 164 struct videobuf_queue vbiq; 165 166 /* MPEG Encoder specifics ONLY */ 167 struct videobuf_queue mpegq; 168 atomic_t v4l_reading; 169 }; 170 171 enum cx23885_itype { 172 CX23885_VMUX_COMPOSITE1 = 1, 173 CX23885_VMUX_COMPOSITE2, 174 CX23885_VMUX_COMPOSITE3, 175 CX23885_VMUX_COMPOSITE4, 176 CX23885_VMUX_SVIDEO, 177 CX23885_VMUX_COMPONENT, 178 CX23885_VMUX_TELEVISION, 179 CX23885_VMUX_CABLE, 180 CX23885_VMUX_DVB, 181 CX23885_VMUX_DEBUG, 182 CX23885_RADIO, 183 }; 184 185 enum cx23885_src_sel_type { 186 CX23885_SRC_SEL_EXT_656_VIDEO = 0, 187 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO 188 }; 189 190 /* buffer for one video frame */ 191 struct cx23885_buffer { 192 /* common v4l buffer stuff -- must be first */ 193 struct videobuf_buffer vb; 194 195 /* cx23885 specific */ 196 unsigned int bpl; 197 struct btcx_riscmem risc; 198 struct cx23885_fmt *fmt; 199 u32 count; 200 }; 201 202 struct cx23885_input { 203 enum cx23885_itype type; 204 unsigned int vmux; 205 unsigned int amux; 206 u32 gpio0, gpio1, gpio2, gpio3; 207 }; 208 209 typedef enum { 210 CX23885_MPEG_UNDEFINED = 0, 211 CX23885_MPEG_DVB, 212 CX23885_ANALOG_VIDEO, 213 CX23885_MPEG_ENCODER, 214 } port_t; 215 216 struct cx23885_board { 217 char *name; 218 port_t porta, portb, portc; 219 int num_fds_portb, num_fds_portc; 220 unsigned int tuner_type; 221 unsigned int radio_type; 222 unsigned char tuner_addr; 223 unsigned char radio_addr; 224 unsigned int tuner_bus; 225 226 /* Vendors can and do run the PCIe bridge at different 227 * clock rates, driven physically by crystals on the PCBs. 228 * The core has to accommodate this. This allows the user 229 * to add new boards with new frequencys. The value is 230 * expressed in Hz. 231 * 232 * The core framework will default this value based on 233 * current designs, but it can vary. 234 */ 235 u32 clk_freq; 236 struct cx23885_input input[MAX_CX23885_INPUT]; 237 int ci_type; /* for NetUP */ 238 /* Force bottom field first during DMA (888 workaround) */ 239 u32 force_bff; 240 }; 241 242 struct cx23885_subid { 243 u16 subvendor; 244 u16 subdevice; 245 u32 card; 246 }; 247 248 struct cx23885_i2c { 249 struct cx23885_dev *dev; 250 251 int nr; 252 253 /* i2c i/o */ 254 struct i2c_adapter i2c_adap; 255 struct i2c_client i2c_client; 256 u32 i2c_rc; 257 258 /* 885 registers used for raw addess */ 259 u32 i2c_period; 260 u32 reg_ctrl; 261 u32 reg_stat; 262 u32 reg_addr; 263 u32 reg_rdata; 264 u32 reg_wdata; 265 }; 266 267 struct cx23885_dmaqueue { 268 struct list_head active; 269 struct list_head queued; 270 struct timer_list timeout; 271 struct btcx_riscmem stopper; 272 u32 count; 273 }; 274 275 struct cx23885_tsport { 276 struct cx23885_dev *dev; 277 278 int nr; 279 int sram_chno; 280 281 struct videobuf_dvb_frontends frontends; 282 283 /* dma queues */ 284 struct cx23885_dmaqueue mpegq; 285 u32 ts_packet_size; 286 u32 ts_packet_count; 287 288 int width; 289 int height; 290 291 spinlock_t slock; 292 293 /* registers */ 294 u32 reg_gpcnt; 295 u32 reg_gpcnt_ctl; 296 u32 reg_dma_ctl; 297 u32 reg_lngth; 298 u32 reg_hw_sop_ctrl; 299 u32 reg_gen_ctrl; 300 u32 reg_bd_pkt_status; 301 u32 reg_sop_status; 302 u32 reg_fifo_ovfl_stat; 303 u32 reg_vld_misc; 304 u32 reg_ts_clk_en; 305 u32 reg_ts_int_msk; 306 u32 reg_ts_int_stat; 307 u32 reg_src_sel; 308 309 /* Default register vals */ 310 int pci_irqmask; 311 u32 dma_ctl_val; 312 u32 ts_int_msk_val; 313 u32 gen_ctrl_val; 314 u32 ts_clk_en_val; 315 u32 src_sel_val; 316 u32 vld_misc_val; 317 u32 hw_sop_ctrl_val; 318 319 /* Allow a single tsport to have multiple frontends */ 320 u32 num_frontends; 321 void (*gate_ctrl)(struct cx23885_tsport *port, int open); 322 void *port_priv; 323 324 /* Workaround for a temp dvb_frontend that the tuner can attached to */ 325 struct dvb_frontend analog_fe; 326 327 int (*set_frontend)(struct dvb_frontend *fe); 328 }; 329 330 struct cx23885_kernel_ir { 331 struct cx23885_dev *cx; 332 char *name; 333 char *phys; 334 335 struct rc_dev *rc; 336 }; 337 338 struct cx23885_audio_buffer { 339 unsigned int bpl; 340 struct btcx_riscmem risc; 341 struct videobuf_dmabuf dma; 342 }; 343 344 struct cx23885_audio_dev { 345 struct cx23885_dev *dev; 346 347 struct pci_dev *pci; 348 349 struct snd_card *card; 350 351 spinlock_t lock; 352 353 atomic_t count; 354 355 unsigned int dma_size; 356 unsigned int period_size; 357 unsigned int num_periods; 358 359 struct videobuf_dmabuf *dma_risc; 360 361 struct cx23885_audio_buffer *buf; 362 363 struct snd_pcm_substream *substream; 364 }; 365 366 struct cx23885_dev { 367 atomic_t refcount; 368 struct v4l2_device v4l2_dev; 369 370 /* pci stuff */ 371 struct pci_dev *pci; 372 unsigned char pci_rev, pci_lat; 373 int pci_bus, pci_slot; 374 u32 __iomem *lmmio; 375 u8 __iomem *bmmio; 376 int pci_irqmask; 377 spinlock_t pci_irqmask_lock; /* protects mask reg too */ 378 int hwrevision; 379 380 /* This valud is board specific and is used to configure the 381 * AV core so we see nice clean and stable video and audio. */ 382 u32 clk_freq; 383 384 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ 385 struct cx23885_i2c i2c_bus[3]; 386 387 int nr; 388 struct mutex lock; 389 struct mutex gpio_lock; 390 391 /* board details */ 392 unsigned int board; 393 char name[32]; 394 395 struct cx23885_tsport ts1, ts2; 396 397 /* sram configuration */ 398 struct sram_channel *sram_channels; 399 400 enum { 401 CX23885_BRIDGE_UNDEFINED = 0, 402 CX23885_BRIDGE_885 = 885, 403 CX23885_BRIDGE_887 = 887, 404 CX23885_BRIDGE_888 = 888, 405 } bridge; 406 407 /* Analog video */ 408 u32 resources; 409 unsigned int input; 410 unsigned int audinput; /* Selectable audio input */ 411 u32 tvaudio; 412 v4l2_std_id tvnorm; 413 unsigned int tuner_type; 414 unsigned char tuner_addr; 415 unsigned int tuner_bus; 416 unsigned int radio_type; 417 unsigned char radio_addr; 418 unsigned int has_radio; 419 struct v4l2_subdev *sd_cx25840; 420 struct work_struct cx25840_work; 421 422 /* Infrared */ 423 struct v4l2_subdev *sd_ir; 424 struct work_struct ir_rx_work; 425 unsigned long ir_rx_notifications; 426 struct work_struct ir_tx_work; 427 unsigned long ir_tx_notifications; 428 429 struct cx23885_kernel_ir *kernel_ir; 430 atomic_t ir_input_stopping; 431 432 /* V4l */ 433 u32 freq; 434 struct video_device *video_dev; 435 struct video_device *vbi_dev; 436 struct video_device *radio_dev; 437 438 struct cx23885_dmaqueue vidq; 439 struct cx23885_dmaqueue vbiq; 440 spinlock_t slock; 441 442 /* MPEG Encoder ONLY settings */ 443 u32 cx23417_mailbox; 444 struct cx2341x_mpeg_params mpeg_params; 445 struct video_device *v4l_device; 446 atomic_t v4l_reader_count; 447 struct cx23885_tvnorm encodernorm; 448 449 /* Analog raw audio */ 450 struct cx23885_audio_dev *audio_dev; 451 452 }; 453 454 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) 455 { 456 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev); 457 } 458 459 #define call_all(dev, o, f, args...) \ 460 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) 461 462 #define CX23885_HW_888_IR (1 << 0) 463 #define CX23885_HW_AV_CORE (1 << 1) 464 465 #define call_hw(dev, grpid, o, f, args...) \ 466 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) 467 468 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); 469 470 #define SRAM_CH01 0 /* Video A */ 471 #define SRAM_CH02 1 /* VBI A */ 472 #define SRAM_CH03 2 /* Video B */ 473 #define SRAM_CH04 3 /* Transport via B */ 474 #define SRAM_CH05 4 /* VBI B */ 475 #define SRAM_CH06 5 /* Video C */ 476 #define SRAM_CH07 6 /* Transport via C */ 477 #define SRAM_CH08 7 /* Audio Internal A */ 478 #define SRAM_CH09 8 /* Audio Internal B */ 479 #define SRAM_CH10 9 /* Audio External */ 480 #define SRAM_CH11 10 /* COMB_3D_N */ 481 #define SRAM_CH12 11 /* Comb 3D N1 */ 482 #define SRAM_CH13 12 /* Comb 3D N2 */ 483 #define SRAM_CH14 13 /* MOE Vid */ 484 #define SRAM_CH15 14 /* MOE RSLT */ 485 486 struct sram_channel { 487 char *name; 488 u32 cmds_start; 489 u32 ctrl_start; 490 u32 cdt; 491 u32 fifo_start; 492 u32 fifo_size; 493 u32 ptr1_reg; 494 u32 ptr2_reg; 495 u32 cnt1_reg; 496 u32 cnt2_reg; 497 u32 jumponly; 498 }; 499 500 /* ----------------------------------------------------------- */ 501 502 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) 503 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) 504 505 #define cx_andor(reg, mask, value) \ 506 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ 507 ((value) & (mask)), dev->lmmio+((reg)>>2)) 508 509 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) 510 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) 511 512 /* ----------------------------------------------------------- */ 513 /* cx23885-core.c */ 514 515 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, 516 struct sram_channel *ch, 517 unsigned int bpl, u32 risc); 518 519 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, 520 struct sram_channel *ch); 521 522 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, 523 u32 reg, u32 mask, u32 value); 524 525 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, 526 struct scatterlist *sglist, 527 unsigned int top_offset, unsigned int bottom_offset, 528 unsigned int bpl, unsigned int padding, unsigned int lines); 529 530 extern int cx23885_risc_vbibuffer(struct pci_dev *pci, 531 struct btcx_riscmem *risc, struct scatterlist *sglist, 532 unsigned int top_offset, unsigned int bottom_offset, 533 unsigned int bpl, unsigned int padding, unsigned int lines); 534 535 void cx23885_cancel_buffers(struct cx23885_tsport *port); 536 537 extern int cx23885_restart_queue(struct cx23885_tsport *port, 538 struct cx23885_dmaqueue *q); 539 540 extern void cx23885_wakeup(struct cx23885_tsport *port, 541 struct cx23885_dmaqueue *q, u32 count); 542 543 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask); 544 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask); 545 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); 546 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, 547 int asoutput); 548 549 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); 550 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); 551 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); 552 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); 553 554 /* ----------------------------------------------------------- */ 555 /* cx23885-cards.c */ 556 extern struct cx23885_board cx23885_boards[]; 557 extern const unsigned int cx23885_bcount; 558 559 extern struct cx23885_subid cx23885_subids[]; 560 extern const unsigned int cx23885_idcount; 561 562 extern int cx23885_tuner_callback(void *priv, int component, 563 int command, int arg); 564 extern void cx23885_card_list(struct cx23885_dev *dev); 565 extern int cx23885_ir_init(struct cx23885_dev *dev); 566 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev); 567 extern void cx23885_ir_fini(struct cx23885_dev *dev); 568 extern void cx23885_gpio_setup(struct cx23885_dev *dev); 569 extern void cx23885_card_setup(struct cx23885_dev *dev); 570 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); 571 572 extern int cx23885_dvb_register(struct cx23885_tsport *port); 573 extern int cx23885_dvb_unregister(struct cx23885_tsport *port); 574 575 extern int cx23885_buf_prepare(struct videobuf_queue *q, 576 struct cx23885_tsport *port, 577 struct cx23885_buffer *buf, 578 enum v4l2_field field); 579 extern void cx23885_buf_queue(struct cx23885_tsport *port, 580 struct cx23885_buffer *buf); 581 extern void cx23885_free_buffer(struct videobuf_queue *q, 582 struct cx23885_buffer *buf); 583 584 /* ----------------------------------------------------------- */ 585 /* cx23885-video.c */ 586 /* Video */ 587 extern int cx23885_video_register(struct cx23885_dev *dev); 588 extern void cx23885_video_unregister(struct cx23885_dev *dev); 589 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); 590 extern void cx23885_video_wakeup(struct cx23885_dev *dev, 591 struct cx23885_dmaqueue *q, u32 count); 592 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i); 593 int cx23885_set_input(struct file *file, void *priv, unsigned int i); 594 int cx23885_get_input(struct file *file, void *priv, unsigned int *i); 595 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f); 596 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 597 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 598 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm); 599 600 /* ----------------------------------------------------------- */ 601 /* cx23885-vbi.c */ 602 extern int cx23885_vbi_fmt(struct file *file, void *priv, 603 struct v4l2_format *f); 604 extern void cx23885_vbi_timeout(unsigned long data); 605 extern struct videobuf_queue_ops cx23885_vbi_qops; 606 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev, 607 struct cx23885_dmaqueue *q); 608 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status); 609 610 /* cx23885-i2c.c */ 611 extern int cx23885_i2c_register(struct cx23885_i2c *bus); 612 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); 613 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable); 614 615 /* ----------------------------------------------------------- */ 616 /* cx23885-417.c */ 617 extern int cx23885_417_register(struct cx23885_dev *dev); 618 extern void cx23885_417_unregister(struct cx23885_dev *dev); 619 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status); 620 extern void cx23885_417_check_encoder(struct cx23885_dev *dev); 621 extern void cx23885_mc417_init(struct cx23885_dev *dev); 622 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); 623 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); 624 extern int mc417_register_read(struct cx23885_dev *dev, 625 u16 address, u32 *value); 626 extern int mc417_register_write(struct cx23885_dev *dev, 627 u16 address, u32 value); 628 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); 629 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); 630 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); 631 632 /* ----------------------------------------------------------- */ 633 /* cx23885-alsa.c */ 634 extern struct cx23885_audio_dev *cx23885_audio_register( 635 struct cx23885_dev *dev); 636 extern void cx23885_audio_unregister(struct cx23885_dev *dev); 637 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); 638 extern int cx23885_risc_databuffer(struct pci_dev *pci, 639 struct btcx_riscmem *risc, 640 struct scatterlist *sglist, 641 unsigned int bpl, 642 unsigned int lines, 643 unsigned int lpi); 644 645 /* ----------------------------------------------------------- */ 646 /* tv norms */ 647 648 static inline unsigned int norm_maxw(v4l2_std_id norm) 649 { 650 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; 651 } 652 653 static inline unsigned int norm_maxh(v4l2_std_id norm) 654 { 655 return (norm & V4L2_STD_625_50) ? 576 : 480; 656 } 657 658 static inline unsigned int norm_swidth(v4l2_std_id norm) 659 { 660 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; 661 } 662