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 #define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE 43 100 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44 101 102 #define GPIO_0 0x00000001 103 #define GPIO_1 0x00000002 104 #define GPIO_2 0x00000004 105 #define GPIO_3 0x00000008 106 #define GPIO_4 0x00000010 107 #define GPIO_5 0x00000020 108 #define GPIO_6 0x00000040 109 #define GPIO_7 0x00000080 110 #define GPIO_8 0x00000100 111 #define GPIO_9 0x00000200 112 #define GPIO_10 0x00000400 113 #define GPIO_11 0x00000800 114 #define GPIO_12 0x00001000 115 #define GPIO_13 0x00002000 116 #define GPIO_14 0x00004000 117 #define GPIO_15 0x00008000 118 119 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ 120 #define CX23885_NORMS (\ 121 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \ 122 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ 123 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \ 124 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK) 125 126 struct cx23885_fmt { 127 char *name; 128 u32 fourcc; /* v4l2 format id */ 129 int depth; 130 int flags; 131 u32 cxformat; 132 }; 133 134 struct cx23885_ctrl { 135 struct v4l2_queryctrl v; 136 u32 off; 137 u32 reg; 138 u32 mask; 139 u32 shift; 140 }; 141 142 struct cx23885_tvnorm { 143 char *name; 144 v4l2_std_id id; 145 u32 cxiformat; 146 u32 cxoformat; 147 }; 148 149 struct cx23885_fh { 150 struct cx23885_dev *dev; 151 enum v4l2_buf_type type; 152 int radio; 153 u32 resources; 154 155 /* video overlay */ 156 struct v4l2_window win; 157 struct v4l2_clip *clips; 158 unsigned int nclips; 159 160 /* video capture */ 161 struct cx23885_fmt *fmt; 162 unsigned int width, height; 163 164 /* vbi capture */ 165 struct videobuf_queue vidq; 166 struct videobuf_queue vbiq; 167 168 /* MPEG Encoder specifics ONLY */ 169 struct videobuf_queue mpegq; 170 atomic_t v4l_reading; 171 }; 172 173 enum cx23885_itype { 174 CX23885_VMUX_COMPOSITE1 = 1, 175 CX23885_VMUX_COMPOSITE2, 176 CX23885_VMUX_COMPOSITE3, 177 CX23885_VMUX_COMPOSITE4, 178 CX23885_VMUX_SVIDEO, 179 CX23885_VMUX_COMPONENT, 180 CX23885_VMUX_TELEVISION, 181 CX23885_VMUX_CABLE, 182 CX23885_VMUX_DVB, 183 CX23885_VMUX_DEBUG, 184 CX23885_RADIO, 185 }; 186 187 enum cx23885_src_sel_type { 188 CX23885_SRC_SEL_EXT_656_VIDEO = 0, 189 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO 190 }; 191 192 /* buffer for one video frame */ 193 struct cx23885_buffer { 194 /* common v4l buffer stuff -- must be first */ 195 struct videobuf_buffer vb; 196 197 /* cx23885 specific */ 198 unsigned int bpl; 199 struct btcx_riscmem risc; 200 struct cx23885_fmt *fmt; 201 u32 count; 202 }; 203 204 struct cx23885_input { 205 enum cx23885_itype type; 206 unsigned int vmux; 207 unsigned int amux; 208 u32 gpio0, gpio1, gpio2, gpio3; 209 }; 210 211 typedef enum { 212 CX23885_MPEG_UNDEFINED = 0, 213 CX23885_MPEG_DVB, 214 CX23885_ANALOG_VIDEO, 215 CX23885_MPEG_ENCODER, 216 } port_t; 217 218 struct cx23885_board { 219 char *name; 220 port_t porta, portb, portc; 221 int num_fds_portb, num_fds_portc; 222 unsigned int tuner_type; 223 unsigned int radio_type; 224 unsigned char tuner_addr; 225 unsigned char radio_addr; 226 unsigned int tuner_bus; 227 228 /* Vendors can and do run the PCIe bridge at different 229 * clock rates, driven physically by crystals on the PCBs. 230 * The core has to accommodate this. This allows the user 231 * to add new boards with new frequencys. The value is 232 * expressed in Hz. 233 * 234 * The core framework will default this value based on 235 * current designs, but it can vary. 236 */ 237 u32 clk_freq; 238 struct cx23885_input input[MAX_CX23885_INPUT]; 239 int ci_type; /* for NetUP */ 240 /* Force bottom field first during DMA (888 workaround) */ 241 u32 force_bff; 242 }; 243 244 struct cx23885_subid { 245 u16 subvendor; 246 u16 subdevice; 247 u32 card; 248 }; 249 250 struct cx23885_i2c { 251 struct cx23885_dev *dev; 252 253 int nr; 254 255 /* i2c i/o */ 256 struct i2c_adapter i2c_adap; 257 struct i2c_client i2c_client; 258 u32 i2c_rc; 259 260 /* 885 registers used for raw addess */ 261 u32 i2c_period; 262 u32 reg_ctrl; 263 u32 reg_stat; 264 u32 reg_addr; 265 u32 reg_rdata; 266 u32 reg_wdata; 267 }; 268 269 struct cx23885_dmaqueue { 270 struct list_head active; 271 struct list_head queued; 272 struct timer_list timeout; 273 struct btcx_riscmem stopper; 274 u32 count; 275 }; 276 277 struct cx23885_tsport { 278 struct cx23885_dev *dev; 279 280 int nr; 281 int sram_chno; 282 283 struct videobuf_dvb_frontends frontends; 284 285 /* dma queues */ 286 struct cx23885_dmaqueue mpegq; 287 u32 ts_packet_size; 288 u32 ts_packet_count; 289 290 int width; 291 int height; 292 293 spinlock_t slock; 294 295 /* registers */ 296 u32 reg_gpcnt; 297 u32 reg_gpcnt_ctl; 298 u32 reg_dma_ctl; 299 u32 reg_lngth; 300 u32 reg_hw_sop_ctrl; 301 u32 reg_gen_ctrl; 302 u32 reg_bd_pkt_status; 303 u32 reg_sop_status; 304 u32 reg_fifo_ovfl_stat; 305 u32 reg_vld_misc; 306 u32 reg_ts_clk_en; 307 u32 reg_ts_int_msk; 308 u32 reg_ts_int_stat; 309 u32 reg_src_sel; 310 311 /* Default register vals */ 312 int pci_irqmask; 313 u32 dma_ctl_val; 314 u32 ts_int_msk_val; 315 u32 gen_ctrl_val; 316 u32 ts_clk_en_val; 317 u32 src_sel_val; 318 u32 vld_misc_val; 319 u32 hw_sop_ctrl_val; 320 321 /* Allow a single tsport to have multiple frontends */ 322 u32 num_frontends; 323 void (*gate_ctrl)(struct cx23885_tsport *port, int open); 324 void *port_priv; 325 326 /* Workaround for a temp dvb_frontend that the tuner can attached to */ 327 struct dvb_frontend analog_fe; 328 329 int (*set_frontend)(struct dvb_frontend *fe); 330 }; 331 332 struct cx23885_kernel_ir { 333 struct cx23885_dev *cx; 334 char *name; 335 char *phys; 336 337 struct rc_dev *rc; 338 }; 339 340 struct cx23885_audio_buffer { 341 unsigned int bpl; 342 struct btcx_riscmem risc; 343 struct videobuf_dmabuf dma; 344 }; 345 346 struct cx23885_audio_dev { 347 struct cx23885_dev *dev; 348 349 struct pci_dev *pci; 350 351 struct snd_card *card; 352 353 spinlock_t lock; 354 355 atomic_t count; 356 357 unsigned int dma_size; 358 unsigned int period_size; 359 unsigned int num_periods; 360 361 struct videobuf_dmabuf *dma_risc; 362 363 struct cx23885_audio_buffer *buf; 364 365 struct snd_pcm_substream *substream; 366 }; 367 368 struct cx23885_dev { 369 atomic_t refcount; 370 struct v4l2_device v4l2_dev; 371 372 /* pci stuff */ 373 struct pci_dev *pci; 374 unsigned char pci_rev, pci_lat; 375 int pci_bus, pci_slot; 376 u32 __iomem *lmmio; 377 u8 __iomem *bmmio; 378 int pci_irqmask; 379 spinlock_t pci_irqmask_lock; /* protects mask reg too */ 380 int hwrevision; 381 382 /* This valud is board specific and is used to configure the 383 * AV core so we see nice clean and stable video and audio. */ 384 u32 clk_freq; 385 386 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ 387 struct cx23885_i2c i2c_bus[3]; 388 389 int nr; 390 struct mutex lock; 391 struct mutex gpio_lock; 392 393 /* board details */ 394 unsigned int board; 395 char name[32]; 396 397 struct cx23885_tsport ts1, ts2; 398 399 /* sram configuration */ 400 struct sram_channel *sram_channels; 401 402 enum { 403 CX23885_BRIDGE_UNDEFINED = 0, 404 CX23885_BRIDGE_885 = 885, 405 CX23885_BRIDGE_887 = 887, 406 CX23885_BRIDGE_888 = 888, 407 } bridge; 408 409 /* Analog video */ 410 u32 resources; 411 unsigned int input; 412 unsigned int audinput; /* Selectable audio input */ 413 u32 tvaudio; 414 v4l2_std_id tvnorm; 415 unsigned int tuner_type; 416 unsigned char tuner_addr; 417 unsigned int tuner_bus; 418 unsigned int radio_type; 419 unsigned char radio_addr; 420 unsigned int has_radio; 421 struct v4l2_subdev *sd_cx25840; 422 struct work_struct cx25840_work; 423 424 /* Infrared */ 425 struct v4l2_subdev *sd_ir; 426 struct work_struct ir_rx_work; 427 unsigned long ir_rx_notifications; 428 struct work_struct ir_tx_work; 429 unsigned long ir_tx_notifications; 430 431 struct cx23885_kernel_ir *kernel_ir; 432 atomic_t ir_input_stopping; 433 434 /* V4l */ 435 u32 freq; 436 struct video_device *video_dev; 437 struct video_device *vbi_dev; 438 struct video_device *radio_dev; 439 440 struct cx23885_dmaqueue vidq; 441 struct cx23885_dmaqueue vbiq; 442 spinlock_t slock; 443 444 /* MPEG Encoder ONLY settings */ 445 u32 cx23417_mailbox; 446 struct cx2341x_mpeg_params mpeg_params; 447 struct video_device *v4l_device; 448 atomic_t v4l_reader_count; 449 struct cx23885_tvnorm encodernorm; 450 451 /* Analog raw audio */ 452 struct cx23885_audio_dev *audio_dev; 453 454 }; 455 456 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) 457 { 458 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev); 459 } 460 461 #define call_all(dev, o, f, args...) \ 462 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) 463 464 #define CX23885_HW_888_IR (1 << 0) 465 #define CX23885_HW_AV_CORE (1 << 1) 466 467 #define call_hw(dev, grpid, o, f, args...) \ 468 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) 469 470 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); 471 472 #define SRAM_CH01 0 /* Video A */ 473 #define SRAM_CH02 1 /* VBI A */ 474 #define SRAM_CH03 2 /* Video B */ 475 #define SRAM_CH04 3 /* Transport via B */ 476 #define SRAM_CH05 4 /* VBI B */ 477 #define SRAM_CH06 5 /* Video C */ 478 #define SRAM_CH07 6 /* Transport via C */ 479 #define SRAM_CH08 7 /* Audio Internal A */ 480 #define SRAM_CH09 8 /* Audio Internal B */ 481 #define SRAM_CH10 9 /* Audio External */ 482 #define SRAM_CH11 10 /* COMB_3D_N */ 483 #define SRAM_CH12 11 /* Comb 3D N1 */ 484 #define SRAM_CH13 12 /* Comb 3D N2 */ 485 #define SRAM_CH14 13 /* MOE Vid */ 486 #define SRAM_CH15 14 /* MOE RSLT */ 487 488 struct sram_channel { 489 char *name; 490 u32 cmds_start; 491 u32 ctrl_start; 492 u32 cdt; 493 u32 fifo_start; 494 u32 fifo_size; 495 u32 ptr1_reg; 496 u32 ptr2_reg; 497 u32 cnt1_reg; 498 u32 cnt2_reg; 499 u32 jumponly; 500 }; 501 502 /* ----------------------------------------------------------- */ 503 504 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) 505 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) 506 507 #define cx_andor(reg, mask, value) \ 508 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ 509 ((value) & (mask)), dev->lmmio+((reg)>>2)) 510 511 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) 512 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) 513 514 /* ----------------------------------------------------------- */ 515 /* cx23885-core.c */ 516 517 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, 518 struct sram_channel *ch, 519 unsigned int bpl, u32 risc); 520 521 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, 522 struct sram_channel *ch); 523 524 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, 525 u32 reg, u32 mask, u32 value); 526 527 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, 528 struct scatterlist *sglist, 529 unsigned int top_offset, unsigned int bottom_offset, 530 unsigned int bpl, unsigned int padding, unsigned int lines); 531 532 extern int cx23885_risc_vbibuffer(struct pci_dev *pci, 533 struct btcx_riscmem *risc, struct scatterlist *sglist, 534 unsigned int top_offset, unsigned int bottom_offset, 535 unsigned int bpl, unsigned int padding, unsigned int lines); 536 537 void cx23885_cancel_buffers(struct cx23885_tsport *port); 538 539 extern int cx23885_restart_queue(struct cx23885_tsport *port, 540 struct cx23885_dmaqueue *q); 541 542 extern void cx23885_wakeup(struct cx23885_tsport *port, 543 struct cx23885_dmaqueue *q, u32 count); 544 545 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask); 546 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask); 547 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); 548 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, 549 int asoutput); 550 551 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); 552 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); 553 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); 554 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); 555 556 /* ----------------------------------------------------------- */ 557 /* cx23885-cards.c */ 558 extern struct cx23885_board cx23885_boards[]; 559 extern const unsigned int cx23885_bcount; 560 561 extern struct cx23885_subid cx23885_subids[]; 562 extern const unsigned int cx23885_idcount; 563 564 extern int cx23885_tuner_callback(void *priv, int component, 565 int command, int arg); 566 extern void cx23885_card_list(struct cx23885_dev *dev); 567 extern int cx23885_ir_init(struct cx23885_dev *dev); 568 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev); 569 extern void cx23885_ir_fini(struct cx23885_dev *dev); 570 extern void cx23885_gpio_setup(struct cx23885_dev *dev); 571 extern void cx23885_card_setup(struct cx23885_dev *dev); 572 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); 573 574 extern int cx23885_dvb_register(struct cx23885_tsport *port); 575 extern int cx23885_dvb_unregister(struct cx23885_tsport *port); 576 577 extern int cx23885_buf_prepare(struct videobuf_queue *q, 578 struct cx23885_tsport *port, 579 struct cx23885_buffer *buf, 580 enum v4l2_field field); 581 extern void cx23885_buf_queue(struct cx23885_tsport *port, 582 struct cx23885_buffer *buf); 583 extern void cx23885_free_buffer(struct videobuf_queue *q, 584 struct cx23885_buffer *buf); 585 586 /* ----------------------------------------------------------- */ 587 /* cx23885-video.c */ 588 /* Video */ 589 extern int cx23885_video_register(struct cx23885_dev *dev); 590 extern void cx23885_video_unregister(struct cx23885_dev *dev); 591 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); 592 extern void cx23885_video_wakeup(struct cx23885_dev *dev, 593 struct cx23885_dmaqueue *q, u32 count); 594 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i); 595 int cx23885_set_input(struct file *file, void *priv, unsigned int i); 596 int cx23885_get_input(struct file *file, void *priv, unsigned int *i); 597 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f); 598 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 599 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl); 600 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm); 601 602 /* ----------------------------------------------------------- */ 603 /* cx23885-vbi.c */ 604 extern int cx23885_vbi_fmt(struct file *file, void *priv, 605 struct v4l2_format *f); 606 extern void cx23885_vbi_timeout(unsigned long data); 607 extern struct videobuf_queue_ops cx23885_vbi_qops; 608 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev, 609 struct cx23885_dmaqueue *q); 610 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status); 611 612 /* cx23885-i2c.c */ 613 extern int cx23885_i2c_register(struct cx23885_i2c *bus); 614 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); 615 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable); 616 617 /* ----------------------------------------------------------- */ 618 /* cx23885-417.c */ 619 extern int cx23885_417_register(struct cx23885_dev *dev); 620 extern void cx23885_417_unregister(struct cx23885_dev *dev); 621 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status); 622 extern void cx23885_417_check_encoder(struct cx23885_dev *dev); 623 extern void cx23885_mc417_init(struct cx23885_dev *dev); 624 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); 625 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); 626 extern int mc417_register_read(struct cx23885_dev *dev, 627 u16 address, u32 *value); 628 extern int mc417_register_write(struct cx23885_dev *dev, 629 u16 address, u32 value); 630 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); 631 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); 632 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); 633 634 /* ----------------------------------------------------------- */ 635 /* cx23885-alsa.c */ 636 extern struct cx23885_audio_dev *cx23885_audio_register( 637 struct cx23885_dev *dev); 638 extern void cx23885_audio_unregister(struct cx23885_dev *dev); 639 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); 640 extern int cx23885_risc_databuffer(struct pci_dev *pci, 641 struct btcx_riscmem *risc, 642 struct scatterlist *sglist, 643 unsigned int bpl, 644 unsigned int lines, 645 unsigned int lpi); 646 647 /* ----------------------------------------------------------- */ 648 /* tv norms */ 649 650 static inline unsigned int norm_maxw(v4l2_std_id norm) 651 { 652 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; 653 } 654 655 static inline unsigned int norm_maxh(v4l2_std_id norm) 656 { 657 return (norm & V4L2_STD_625_50) ? 576 : 480; 658 } 659 660 static inline unsigned int norm_swidth(v4l2_std_id norm) 661 { 662 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; 663 } 664