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 18 #include <linux/pci.h> 19 #include <linux/i2c.h> 20 #include <linux/kdev_t.h> 21 #include <linux/slab.h> 22 23 #include <media/v4l2-device.h> 24 #include <media/v4l2-fh.h> 25 #include <media/v4l2-ctrls.h> 26 #include <media/tuner.h> 27 #include <media/tveeprom.h> 28 #include <media/videobuf2-dma-sg.h> 29 #include <media/videobuf2-dvb.h> 30 #include <media/rc-core.h> 31 32 #include "cx23885-reg.h" 33 #include "media/cx2341x.h" 34 35 #include <linux/mutex.h> 36 37 #define CX23885_VERSION "0.0.4" 38 39 #define UNSET (-1U) 40 41 #define CX23885_MAXBOARDS 8 42 43 /* Max number of inputs by card */ 44 #define MAX_CX23885_INPUT 8 45 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr]) 46 47 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ 48 49 #define CX23885_BOARD_NOAUTO UNSET 50 #define CX23885_BOARD_UNKNOWN 0 51 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1 52 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2 53 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3 54 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4 55 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5 56 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6 57 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7 58 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8 59 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9 60 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10 61 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11 62 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12 63 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13 64 #define CX23885_BOARD_TBS_6920 14 65 #define CX23885_BOARD_TEVII_S470 15 66 #define CX23885_BOARD_DVBWORLD_2005 16 67 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17 68 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18 69 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19 70 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20 71 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21 72 #define CX23885_BOARD_MYGICA_X8506 22 73 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23 74 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24 75 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25 76 #define CX23885_BOARD_HAUPPAUGE_HVR1290 26 77 #define CX23885_BOARD_MYGICA_X8558PRO 27 78 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28 79 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29 80 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30 81 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31 82 #define CX23885_BOARD_MPX885 32 83 #define CX23885_BOARD_MYGICA_X8507 33 84 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34 85 #define CX23885_BOARD_TEVII_S471 35 86 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36 87 #define CX23885_BOARD_PROF_8000 37 88 #define CX23885_BOARD_HAUPPAUGE_HVR4400 38 89 #define CX23885_BOARD_AVERMEDIA_HC81R 39 90 #define CX23885_BOARD_TBS_6981 40 91 #define CX23885_BOARD_TBS_6980 41 92 #define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42 93 #define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE 43 94 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44 95 #define CX23885_BOARD_DVBSKY_T9580 45 96 #define CX23885_BOARD_DVBSKY_T980C 46 97 #define CX23885_BOARD_DVBSKY_S950C 47 98 #define CX23885_BOARD_TT_CT2_4500_CI 48 99 #define CX23885_BOARD_DVBSKY_S950 49 100 #define CX23885_BOARD_DVBSKY_S952 50 101 #define CX23885_BOARD_DVBSKY_T982 51 102 #define CX23885_BOARD_HAUPPAUGE_STARBURST 52 103 104 #define GPIO_0 0x00000001 105 #define GPIO_1 0x00000002 106 #define GPIO_2 0x00000004 107 #define GPIO_3 0x00000008 108 #define GPIO_4 0x00000010 109 #define GPIO_5 0x00000020 110 #define GPIO_6 0x00000040 111 #define GPIO_7 0x00000080 112 #define GPIO_8 0x00000100 113 #define GPIO_9 0x00000200 114 #define GPIO_10 0x00000400 115 #define GPIO_11 0x00000800 116 #define GPIO_12 0x00001000 117 #define GPIO_13 0x00002000 118 #define GPIO_14 0x00004000 119 #define GPIO_15 0x00008000 120 121 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ 122 #define CX23885_NORMS (\ 123 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \ 124 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ 125 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \ 126 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK) 127 128 struct cx23885_fmt { 129 char *name; 130 u32 fourcc; /* v4l2 format id */ 131 int depth; 132 int flags; 133 u32 cxformat; 134 }; 135 136 struct cx23885_tvnorm { 137 char *name; 138 v4l2_std_id id; 139 u32 cxiformat; 140 u32 cxoformat; 141 }; 142 143 enum cx23885_itype { 144 CX23885_VMUX_COMPOSITE1 = 1, 145 CX23885_VMUX_COMPOSITE2, 146 CX23885_VMUX_COMPOSITE3, 147 CX23885_VMUX_COMPOSITE4, 148 CX23885_VMUX_SVIDEO, 149 CX23885_VMUX_COMPONENT, 150 CX23885_VMUX_TELEVISION, 151 CX23885_VMUX_CABLE, 152 CX23885_VMUX_DVB, 153 CX23885_VMUX_DEBUG, 154 CX23885_RADIO, 155 }; 156 157 enum cx23885_src_sel_type { 158 CX23885_SRC_SEL_EXT_656_VIDEO = 0, 159 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO 160 }; 161 162 struct cx23885_riscmem { 163 unsigned int size; 164 __le32 *cpu; 165 __le32 *jmp; 166 dma_addr_t dma; 167 }; 168 169 /* buffer for one video frame */ 170 struct cx23885_buffer { 171 /* common v4l buffer stuff -- must be first */ 172 struct vb2_buffer vb; 173 struct list_head queue; 174 175 /* cx23885 specific */ 176 unsigned int bpl; 177 struct cx23885_riscmem risc; 178 struct cx23885_fmt *fmt; 179 u32 count; 180 }; 181 182 struct cx23885_input { 183 enum cx23885_itype type; 184 unsigned int vmux; 185 unsigned int amux; 186 u32 gpio0, gpio1, gpio2, gpio3; 187 }; 188 189 typedef enum { 190 CX23885_MPEG_UNDEFINED = 0, 191 CX23885_MPEG_DVB, 192 CX23885_ANALOG_VIDEO, 193 CX23885_MPEG_ENCODER, 194 } port_t; 195 196 struct cx23885_board { 197 char *name; 198 port_t porta, portb, portc; 199 int num_fds_portb, num_fds_portc; 200 unsigned int tuner_type; 201 unsigned int radio_type; 202 unsigned char tuner_addr; 203 unsigned char radio_addr; 204 unsigned int tuner_bus; 205 206 /* Vendors can and do run the PCIe bridge at different 207 * clock rates, driven physically by crystals on the PCBs. 208 * The core has to accommodate this. This allows the user 209 * to add new boards with new frequencys. The value is 210 * expressed in Hz. 211 * 212 * The core framework will default this value based on 213 * current designs, but it can vary. 214 */ 215 u32 clk_freq; 216 struct cx23885_input input[MAX_CX23885_INPUT]; 217 int ci_type; /* for NetUP */ 218 /* Force bottom field first during DMA (888 workaround) */ 219 u32 force_bff; 220 }; 221 222 struct cx23885_subid { 223 u16 subvendor; 224 u16 subdevice; 225 u32 card; 226 }; 227 228 struct cx23885_i2c { 229 struct cx23885_dev *dev; 230 231 int nr; 232 233 /* i2c i/o */ 234 struct i2c_adapter i2c_adap; 235 struct i2c_client i2c_client; 236 u32 i2c_rc; 237 238 /* 885 registers used for raw addess */ 239 u32 i2c_period; 240 u32 reg_ctrl; 241 u32 reg_stat; 242 u32 reg_addr; 243 u32 reg_rdata; 244 u32 reg_wdata; 245 }; 246 247 struct cx23885_dmaqueue { 248 struct list_head active; 249 u32 count; 250 }; 251 252 struct cx23885_tsport { 253 struct cx23885_dev *dev; 254 255 int nr; 256 int sram_chno; 257 258 struct vb2_dvb_frontends frontends; 259 260 /* dma queues */ 261 struct cx23885_dmaqueue mpegq; 262 u32 ts_packet_size; 263 u32 ts_packet_count; 264 265 int width; 266 int height; 267 268 spinlock_t slock; 269 270 /* registers */ 271 u32 reg_gpcnt; 272 u32 reg_gpcnt_ctl; 273 u32 reg_dma_ctl; 274 u32 reg_lngth; 275 u32 reg_hw_sop_ctrl; 276 u32 reg_gen_ctrl; 277 u32 reg_bd_pkt_status; 278 u32 reg_sop_status; 279 u32 reg_fifo_ovfl_stat; 280 u32 reg_vld_misc; 281 u32 reg_ts_clk_en; 282 u32 reg_ts_int_msk; 283 u32 reg_ts_int_stat; 284 u32 reg_src_sel; 285 286 /* Default register vals */ 287 int pci_irqmask; 288 u32 dma_ctl_val; 289 u32 ts_int_msk_val; 290 u32 gen_ctrl_val; 291 u32 ts_clk_en_val; 292 u32 src_sel_val; 293 u32 vld_misc_val; 294 u32 hw_sop_ctrl_val; 295 296 /* Allow a single tsport to have multiple frontends */ 297 u32 num_frontends; 298 void (*gate_ctrl)(struct cx23885_tsport *port, int open); 299 void *port_priv; 300 301 /* Workaround for a temp dvb_frontend that the tuner can attached to */ 302 struct dvb_frontend analog_fe; 303 304 struct i2c_client *i2c_client_demod; 305 struct i2c_client *i2c_client_tuner; 306 struct i2c_client *i2c_client_ci; 307 308 int (*set_frontend)(struct dvb_frontend *fe); 309 int (*fe_set_voltage)(struct dvb_frontend *fe, 310 fe_sec_voltage_t voltage); 311 }; 312 313 struct cx23885_kernel_ir { 314 struct cx23885_dev *cx; 315 char *name; 316 char *phys; 317 318 struct rc_dev *rc; 319 }; 320 321 struct cx23885_audio_buffer { 322 unsigned int bpl; 323 struct cx23885_riscmem risc; 324 void *vaddr; 325 struct scatterlist *sglist; 326 int sglen; 327 int nr_pages; 328 }; 329 330 struct cx23885_audio_dev { 331 struct cx23885_dev *dev; 332 333 struct pci_dev *pci; 334 335 struct snd_card *card; 336 337 spinlock_t lock; 338 339 atomic_t count; 340 341 unsigned int dma_size; 342 unsigned int period_size; 343 unsigned int num_periods; 344 345 struct cx23885_audio_buffer *buf; 346 347 struct snd_pcm_substream *substream; 348 }; 349 350 struct cx23885_dev { 351 atomic_t refcount; 352 struct v4l2_device v4l2_dev; 353 struct v4l2_ctrl_handler ctrl_handler; 354 355 /* pci stuff */ 356 struct pci_dev *pci; 357 unsigned char pci_rev, pci_lat; 358 int pci_bus, pci_slot; 359 u32 __iomem *lmmio; 360 u8 __iomem *bmmio; 361 int pci_irqmask; 362 spinlock_t pci_irqmask_lock; /* protects mask reg too */ 363 int hwrevision; 364 365 /* This valud is board specific and is used to configure the 366 * AV core so we see nice clean and stable video and audio. */ 367 u32 clk_freq; 368 369 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ 370 struct cx23885_i2c i2c_bus[3]; 371 372 int nr; 373 struct mutex lock; 374 struct mutex gpio_lock; 375 376 /* board details */ 377 unsigned int board; 378 char name[32]; 379 380 struct cx23885_tsport ts1, ts2; 381 382 /* sram configuration */ 383 struct sram_channel *sram_channels; 384 385 enum { 386 CX23885_BRIDGE_UNDEFINED = 0, 387 CX23885_BRIDGE_885 = 885, 388 CX23885_BRIDGE_887 = 887, 389 CX23885_BRIDGE_888 = 888, 390 } bridge; 391 392 /* Analog video */ 393 unsigned int input; 394 unsigned int audinput; /* Selectable audio input */ 395 u32 tvaudio; 396 v4l2_std_id tvnorm; 397 unsigned int tuner_type; 398 unsigned char tuner_addr; 399 unsigned int tuner_bus; 400 unsigned int radio_type; 401 unsigned char radio_addr; 402 struct v4l2_subdev *sd_cx25840; 403 struct work_struct cx25840_work; 404 405 /* Infrared */ 406 struct v4l2_subdev *sd_ir; 407 struct work_struct ir_rx_work; 408 unsigned long ir_rx_notifications; 409 struct work_struct ir_tx_work; 410 unsigned long ir_tx_notifications; 411 412 struct cx23885_kernel_ir *kernel_ir; 413 atomic_t ir_input_stopping; 414 415 /* V4l */ 416 u32 freq; 417 struct video_device *video_dev; 418 struct video_device *vbi_dev; 419 420 /* video capture */ 421 struct cx23885_fmt *fmt; 422 unsigned int width, height; 423 unsigned field; 424 425 struct cx23885_dmaqueue vidq; 426 struct vb2_queue vb2_vidq; 427 struct cx23885_dmaqueue vbiq; 428 struct vb2_queue vb2_vbiq; 429 void *alloc_ctx; 430 431 spinlock_t slock; 432 433 /* MPEG Encoder ONLY settings */ 434 u32 cx23417_mailbox; 435 struct cx2341x_handler cxhdl; 436 struct video_device *v4l_device; 437 struct vb2_queue vb2_mpegq; 438 struct cx23885_tvnorm encodernorm; 439 440 /* Analog raw audio */ 441 struct cx23885_audio_dev *audio_dev; 442 443 }; 444 445 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) 446 { 447 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev); 448 } 449 450 #define call_all(dev, o, f, args...) \ 451 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) 452 453 #define CX23885_HW_888_IR (1 << 0) 454 #define CX23885_HW_AV_CORE (1 << 1) 455 456 #define call_hw(dev, grpid, o, f, args...) \ 457 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) 458 459 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); 460 461 #define SRAM_CH01 0 /* Video A */ 462 #define SRAM_CH02 1 /* VBI A */ 463 #define SRAM_CH03 2 /* Video B */ 464 #define SRAM_CH04 3 /* Transport via B */ 465 #define SRAM_CH05 4 /* VBI B */ 466 #define SRAM_CH06 5 /* Video C */ 467 #define SRAM_CH07 6 /* Transport via C */ 468 #define SRAM_CH08 7 /* Audio Internal A */ 469 #define SRAM_CH09 8 /* Audio Internal B */ 470 #define SRAM_CH10 9 /* Audio External */ 471 #define SRAM_CH11 10 /* COMB_3D_N */ 472 #define SRAM_CH12 11 /* Comb 3D N1 */ 473 #define SRAM_CH13 12 /* Comb 3D N2 */ 474 #define SRAM_CH14 13 /* MOE Vid */ 475 #define SRAM_CH15 14 /* MOE RSLT */ 476 477 struct sram_channel { 478 char *name; 479 u32 cmds_start; 480 u32 ctrl_start; 481 u32 cdt; 482 u32 fifo_start; 483 u32 fifo_size; 484 u32 ptr1_reg; 485 u32 ptr2_reg; 486 u32 cnt1_reg; 487 u32 cnt2_reg; 488 u32 jumponly; 489 }; 490 491 /* ----------------------------------------------------------- */ 492 493 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) 494 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) 495 496 #define cx_andor(reg, mask, value) \ 497 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ 498 ((value) & (mask)), dev->lmmio+((reg)>>2)) 499 500 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) 501 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) 502 503 /* ----------------------------------------------------------- */ 504 /* cx23885-core.c */ 505 506 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, 507 struct sram_channel *ch, 508 unsigned int bpl, u32 risc); 509 510 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev, 511 struct sram_channel *ch); 512 513 extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc, 514 struct scatterlist *sglist, 515 unsigned int top_offset, unsigned int bottom_offset, 516 unsigned int bpl, unsigned int padding, unsigned int lines); 517 518 extern int cx23885_risc_vbibuffer(struct pci_dev *pci, 519 struct cx23885_riscmem *risc, struct scatterlist *sglist, 520 unsigned int top_offset, unsigned int bottom_offset, 521 unsigned int bpl, unsigned int padding, unsigned int lines); 522 523 int cx23885_start_dma(struct cx23885_tsport *port, 524 struct cx23885_dmaqueue *q, 525 struct cx23885_buffer *buf); 526 void cx23885_cancel_buffers(struct cx23885_tsport *port); 527 528 529 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask); 530 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask); 531 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); 532 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, 533 int asoutput); 534 535 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); 536 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); 537 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); 538 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); 539 540 /* ----------------------------------------------------------- */ 541 /* cx23885-cards.c */ 542 extern struct cx23885_board cx23885_boards[]; 543 extern const unsigned int cx23885_bcount; 544 545 extern struct cx23885_subid cx23885_subids[]; 546 extern const unsigned int cx23885_idcount; 547 548 extern int cx23885_tuner_callback(void *priv, int component, 549 int command, int arg); 550 extern void cx23885_card_list(struct cx23885_dev *dev); 551 extern int cx23885_ir_init(struct cx23885_dev *dev); 552 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev); 553 extern void cx23885_ir_fini(struct cx23885_dev *dev); 554 extern void cx23885_gpio_setup(struct cx23885_dev *dev); 555 extern void cx23885_card_setup(struct cx23885_dev *dev); 556 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); 557 558 extern int cx23885_dvb_register(struct cx23885_tsport *port); 559 extern int cx23885_dvb_unregister(struct cx23885_tsport *port); 560 561 extern int cx23885_buf_prepare(struct cx23885_buffer *buf, 562 struct cx23885_tsport *port); 563 extern void cx23885_buf_queue(struct cx23885_tsport *port, 564 struct cx23885_buffer *buf); 565 extern void cx23885_free_buffer(struct cx23885_dev *dev, 566 struct cx23885_buffer *buf); 567 568 /* ----------------------------------------------------------- */ 569 /* cx23885-video.c */ 570 /* Video */ 571 extern int cx23885_video_register(struct cx23885_dev *dev); 572 extern void cx23885_video_unregister(struct cx23885_dev *dev); 573 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status); 574 extern void cx23885_video_wakeup(struct cx23885_dev *dev, 575 struct cx23885_dmaqueue *q, u32 count); 576 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i); 577 int cx23885_set_input(struct file *file, void *priv, unsigned int i); 578 int cx23885_get_input(struct file *file, void *priv, unsigned int *i); 579 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f); 580 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm); 581 582 /* ----------------------------------------------------------- */ 583 /* cx23885-vbi.c */ 584 extern int cx23885_vbi_fmt(struct file *file, void *priv, 585 struct v4l2_format *f); 586 extern void cx23885_vbi_timeout(unsigned long data); 587 extern struct vb2_ops cx23885_vbi_qops; 588 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status); 589 590 /* cx23885-i2c.c */ 591 extern int cx23885_i2c_register(struct cx23885_i2c *bus); 592 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); 593 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable); 594 595 /* ----------------------------------------------------------- */ 596 /* cx23885-417.c */ 597 extern int cx23885_417_register(struct cx23885_dev *dev); 598 extern void cx23885_417_unregister(struct cx23885_dev *dev); 599 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status); 600 extern void cx23885_417_check_encoder(struct cx23885_dev *dev); 601 extern void cx23885_mc417_init(struct cx23885_dev *dev); 602 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); 603 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); 604 extern int mc417_register_read(struct cx23885_dev *dev, 605 u16 address, u32 *value); 606 extern int mc417_register_write(struct cx23885_dev *dev, 607 u16 address, u32 value); 608 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); 609 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); 610 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); 611 612 /* ----------------------------------------------------------- */ 613 /* cx23885-alsa.c */ 614 extern struct cx23885_audio_dev *cx23885_audio_register( 615 struct cx23885_dev *dev); 616 extern void cx23885_audio_unregister(struct cx23885_dev *dev); 617 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); 618 extern int cx23885_risc_databuffer(struct pci_dev *pci, 619 struct cx23885_riscmem *risc, 620 struct scatterlist *sglist, 621 unsigned int bpl, 622 unsigned int lines, 623 unsigned int lpi); 624 625 /* ----------------------------------------------------------- */ 626 /* tv norms */ 627 628 static inline unsigned int norm_maxw(v4l2_std_id norm) 629 { 630 return (norm & V4L2_STD_525_60) ? 720 : 768; 631 } 632 633 static inline unsigned int norm_maxh(v4l2_std_id norm) 634 { 635 return (norm & V4L2_STD_525_60) ? 480 : 576; 636 } 637