1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices 4 * 5 * Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> 6 * Ludovico Cavedon <cavedon@sssup.it> 7 * Mauro Carvalho Chehab <mchehab@kernel.org> 8 * Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 9 * 10 * Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 */ 22 23 #ifndef _EM28XX_H 24 #define _EM28XX_H 25 26 #include <linux/bitfield.h> 27 28 #define EM28XX_VERSION "0.2.2" 29 #define DRIVER_DESC "Empia em28xx device driver" 30 31 #include <linux/workqueue.h> 32 #include <linux/i2c.h> 33 #include <linux/mutex.h> 34 #include <linux/kref.h> 35 #include <linux/videodev2.h> 36 37 #include <media/videobuf2-v4l2.h> 38 #include <media/videobuf2-vmalloc.h> 39 #include <media/v4l2-device.h> 40 #include <media/v4l2-ctrls.h> 41 #include <media/v4l2-fh.h> 42 #include <media/i2c/ir-kbd-i2c.h> 43 #include <media/rc-core.h> 44 #include "tuner-xc2028.h" 45 #include "xc5000.h" 46 #include "em28xx-reg.h" 47 48 /* Boards supported by driver */ 49 #define EM2800_BOARD_UNKNOWN 0 50 #define EM2820_BOARD_UNKNOWN 1 51 #define EM2820_BOARD_TERRATEC_CINERGY_250 2 52 #define EM2820_BOARD_PINNACLE_USB_2 3 53 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 54 #define EM2820_BOARD_MSI_VOX_USB_2 5 55 #define EM2800_BOARD_TERRATEC_CINERGY_200 6 56 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 57 #define EM2800_BOARD_KWORLD_USB2800 8 58 #define EM2820_BOARD_PINNACLE_DVC_90 9 59 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 60 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 61 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 62 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 63 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 64 #define EM2800_BOARD_VGEAR_POCKETTV 15 65 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 66 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 67 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 68 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 69 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 70 #define EM2800_BOARD_GRABBEEX_USB2800 21 71 #define EM2750_BOARD_UNKNOWN 22 72 #define EM2750_BOARD_DLCW_130 23 73 #define EM2820_BOARD_DLINK_USB_TV 24 74 #define EM2820_BOARD_GADMEI_UTV310 25 75 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 76 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 77 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 78 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 79 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 80 #define EM2821_BOARD_USBGEAR_VD204 31 81 #define EM2821_BOARD_SUPERCOMP_USB_2 32 82 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 83 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34 84 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35 85 #define EM2860_BOARD_NETGMBH_CAM 36 86 #define EM2860_BOARD_GADMEI_UTV330 37 87 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 88 #define EM2861_BOARD_KWORLD_PVRTV_300U 39 89 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40 90 #define EM2870_BOARD_KWORLD_350U 41 91 #define EM2870_BOARD_KWORLD_355U 42 92 #define EM2870_BOARD_TERRATEC_XS 43 93 #define EM2870_BOARD_TERRATEC_XS_MT2060 44 94 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45 95 #define EM2870_BOARD_COMPRO_VIDEOMATE 46 96 #define EM2880_BOARD_KWORLD_DVB_305U 47 97 #define EM2880_BOARD_KWORLD_DVB_310U 48 98 #define EM2880_BOARD_MSI_DIGIVOX_AD 49 99 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 100 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 101 #define EM2881_BOARD_DNT_DA2_HYBRID 52 102 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 103 #define EM2882_BOARD_KWORLD_VS_DVBT 54 104 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 105 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 106 #define EM2883_BOARD_KWORLD_HYBRID_330U 57 107 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 108 #define EM2874_BOARD_PCTV_HD_MINI_80E 59 109 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 110 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 111 #define EM2820_BOARD_GADMEI_TVR200 62 112 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63 113 #define EM2860_BOARD_EASYCAP 64 114 #define EM2820_BOARD_IODATA_GVMVP_SZ 65 115 #define EM2880_BOARD_EMPIRE_DUAL_TV 66 116 #define EM2860_BOARD_TERRATEC_GRABBY 67 117 #define EM2860_BOARD_TERRATEC_AV350 68 118 #define EM2882_BOARD_KWORLD_ATSC_315U 69 119 #define EM2882_BOARD_EVGA_INDTUBE 70 120 #define EM2820_BOARD_SILVERCREST_WEBCAM 71 121 #define EM2861_BOARD_GADMEI_UTV330PLUS 72 122 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 123 #define EM2800_BOARD_VC211A 74 124 #define EM2882_BOARD_DIKOM_DK300 75 125 #define EM2870_BOARD_KWORLD_A340 76 126 #define EM2874_BOARD_LEADERSHIP_ISDBT 77 127 #define EM28174_BOARD_PCTV_290E 78 128 #define EM2884_BOARD_TERRATEC_H5 79 129 #define EM28174_BOARD_PCTV_460E 80 130 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 131 #define EM2884_BOARD_CINERGY_HTC_STICK 82 132 #define EM2860_BOARD_HT_VIDBOX_NW03 83 133 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 134 #define EM2884_BOARD_PCTV_510E 85 135 #define EM2884_BOARD_PCTV_520E 86 136 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 137 #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 138 #define EM2874_BOARD_DELOCK_61959 89 139 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 140 #define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 141 #define EM28178_BOARD_PCTV_461E 92 142 #define EM2874_BOARD_KWORLD_UB435Q_V3 93 143 #define EM28178_BOARD_PCTV_292E 94 144 #define EM2861_BOARD_LEADTEK_VC100 95 145 #define EM28178_BOARD_TERRATEC_T2_STICK_HD 96 146 #define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97 147 #define EM28178_BOARD_PLEX_PX_BCUD 98 148 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 149 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 150 #define EM2884_BOARD_TERRATEC_H6 101 151 #define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102 152 #define EM2861_BOARD_MAGIX_VIDEOWANDLER2 103 153 154 /* Limits minimum and default number of buffers */ 155 #define EM28XX_MIN_BUF 4 156 #define EM28XX_DEF_BUF 8 157 158 /*Limits the max URB message size */ 159 #define URB_MAX_CTRL_SIZE 80 160 161 /* Params for validated field */ 162 #define EM28XX_BOARD_NOT_VALIDATED 1 163 #define EM28XX_BOARD_VALIDATED 0 164 165 /* Params for em28xx_cmd() audio */ 166 #define EM28XX_START_AUDIO 1 167 #define EM28XX_STOP_AUDIO 0 168 169 /* maximum number of em28xx boards */ 170 #define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS /* All adapters could be em28xx */ 171 172 /* maximum number of frames that can be queued */ 173 #define EM28XX_NUM_FRAMES 5 174 /* number of frames that get used for v4l2_read() */ 175 #define EM28XX_NUM_READ_FRAMES 2 176 177 /* number of buffers for isoc transfers */ 178 #define EM28XX_NUM_BUFS 5 179 #define EM28XX_DVB_NUM_BUFS 5 180 181 /* max number of I2C buses on em28xx devices */ 182 #define NUM_I2C_BUSES 2 183 184 /* 185 * isoc transfers: number of packets for each buffer 186 * windows requests only 64 packets .. so we better do the same 187 * this is what I found out for all alternate numbers there! 188 */ 189 #define EM28XX_NUM_ISOC_PACKETS 64 190 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 191 192 /* 193 * bulk transfers: transfer buffer size = packet size * packet multiplier 194 * USB 2.0 spec says bulk packet size is always 512 bytes 195 */ 196 #define EM28XX_BULK_PACKET_MULTIPLIER 384 197 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94 198 199 #define EM28XX_INTERLACED_DEFAULT 1 200 201 /* time in msecs to wait for AC97 xfers to finish */ 202 #define EM28XX_AC97_XFER_TIMEOUT 100 203 204 /* max. number of button state polling addresses */ 205 #define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 206 207 #define PRIMARY_TS 0 208 #define SECONDARY_TS 1 209 210 enum em28xx_mode { 211 EM28XX_SUSPEND, 212 EM28XX_ANALOG_MODE, 213 EM28XX_DIGITAL_MODE, 214 }; 215 216 struct em28xx; 217 218 /** 219 * struct em28xx_usb_bufs - Contains URB-related buffer data 220 * 221 * @max_pkt_size: max packet size of isoc transaction 222 * @num_packets: number of packets in each buffer 223 * @num_bufs: number of allocated urb 224 * @urb: urb for isoc/bulk transfers 225 * @buf: transfer buffers for isoc/bulk transfer 226 */ 227 struct em28xx_usb_bufs { 228 int max_pkt_size; 229 int num_packets; 230 int num_bufs; 231 struct urb **urb; 232 char **buf; 233 }; 234 235 /** 236 * struct em28xx_usb_ctl - Contains URB-related buffer data 237 * 238 * @analog_bufs: isoc/bulk transfer buffers for analog mode 239 * @digital_bufs: isoc/bulk transfer buffers for digital mode 240 * @vid_buf: Stores already requested video buffers 241 * @vbi_buf: Stores already requested VBI buffers 242 * @urb_data_copy: copy data from URB 243 */ 244 struct em28xx_usb_ctl { 245 struct em28xx_usb_bufs analog_bufs; 246 struct em28xx_usb_bufs digital_bufs; 247 struct em28xx_buffer *vid_buf; 248 struct em28xx_buffer *vbi_buf; 249 int (*urb_data_copy)(struct em28xx *dev, struct urb *urb); 250 }; 251 252 /** 253 * struct em28xx_fmt - Struct to enumberate video formats 254 * 255 * @fourcc: v4l2 format id 256 * @depth: mean number of bits to represent a pixel 257 * @reg: em28xx register value to set it 258 */ 259 struct em28xx_fmt { 260 u32 fourcc; 261 int depth; 262 int reg; 263 }; 264 265 /** 266 * struct em28xx_buffer- buffer for storing one video frame 267 * 268 * @vb: common v4l buffer stuff 269 * @list: List to associate it with the other buffers 270 * @mem: pointer to the buffer, as returned by vb2_plane_vaddr() 271 * @length: length of the buffer, as returned by vb2_plane_size() 272 * @top_field: If non-zero, indicate that the buffer is the top field 273 * @pos: Indicate the next position of the buffer to be filled. 274 * @vb_buf: pointer to vmalloc memory address in vb 275 * 276 * .. note:: 277 * 278 * in interlaced mode, @pos is reset to zero at the start of each new 279 * field (not frame !) 280 */ 281 struct em28xx_buffer { 282 struct vb2_v4l2_buffer vb; /* must be first */ 283 284 struct list_head list; 285 286 void *mem; 287 unsigned int length; 288 int top_field; 289 290 unsigned int pos; 291 292 char *vb_buf; 293 }; 294 295 struct em28xx_dmaqueue { 296 struct list_head active; 297 298 wait_queue_head_t wq; 299 }; 300 301 /* inputs */ 302 303 #define MAX_EM28XX_INPUT 4 304 enum enum28xx_itype { 305 EM28XX_VMUX_COMPOSITE = 1, 306 EM28XX_VMUX_SVIDEO, 307 EM28XX_VMUX_TELEVISION, 308 EM28XX_RADIO, 309 }; 310 311 enum em28xx_ac97_mode { 312 EM28XX_NO_AC97 = 0, 313 EM28XX_AC97_EM202, 314 EM28XX_AC97_SIGMATEL, 315 EM28XX_AC97_OTHER, 316 }; 317 318 struct em28xx_audio_mode { 319 enum em28xx_ac97_mode ac97; 320 }; 321 322 enum em28xx_int_audio_type { 323 EM28XX_INT_AUDIO_NONE = 0, 324 EM28XX_INT_AUDIO_AC97, 325 EM28XX_INT_AUDIO_I2S, 326 }; 327 328 enum em28xx_usb_audio_type { 329 EM28XX_USB_AUDIO_NONE = 0, 330 EM28XX_USB_AUDIO_CLASS, 331 EM28XX_USB_AUDIO_VENDOR, 332 }; 333 334 /** 335 * em28xx_amux - describes the type of audio input used by em28xx 336 * 337 * @EM28XX_AMUX_UNUSED: 338 * Used only on em28xx dev->map field, in order to mark an entry 339 * as unused. 340 * @EM28XX_AMUX_VIDEO: 341 * On devices without AC97, this is the only value that it is currently 342 * allowed. 343 * On devices with AC97, it corresponds to the AC97 mixer "Video" control. 344 * @EM28XX_AMUX_LINE_IN: 345 * Only for devices with AC97. Corresponds to AC97 mixer "Line In". 346 * @EM28XX_AMUX_VIDEO2: 347 * Only for devices with AC97. It means that em28xx should use "Line In" 348 * And AC97 should use the "Video" mixer control. 349 * @EM28XX_AMUX_PHONE: 350 * Only for devices with AC97. Corresponds to AC97 mixer "Phone". 351 * @EM28XX_AMUX_MIC: 352 * Only for devices with AC97. Corresponds to AC97 mixer "Mic". 353 * @EM28XX_AMUX_CD: 354 * Only for devices with AC97. Corresponds to AC97 mixer "CD". 355 * @EM28XX_AMUX_AUX: 356 * Only for devices with AC97. Corresponds to AC97 mixer "Aux". 357 * @EM28XX_AMUX_PCM_OUT: 358 * Only for devices with AC97. Corresponds to AC97 mixer "PCM out". 359 * 360 * The em28xx chip itself has only two audio inputs: tuner and line in. 361 * On almost all devices, only the tuner input is used. 362 * 363 * However, on most devices, an auxiliary AC97 codec device is used, 364 * usually connected to the em28xx tuner input (except for 365 * @EM28XX_AMUX_LINE_IN). 366 * 367 * The AC97 device typically have several different inputs and outputs. 368 * The exact number and description depends on their model. 369 * 370 * It is possible to AC97 to mixer more than one different entries at the 371 * same time, via the alsa mux. 372 */ 373 enum em28xx_amux { 374 EM28XX_AMUX_UNUSED = -1, 375 EM28XX_AMUX_VIDEO = 0, 376 EM28XX_AMUX_LINE_IN, 377 378 /* Some less-common mixer setups */ 379 EM28XX_AMUX_VIDEO2, 380 EM28XX_AMUX_PHONE, 381 EM28XX_AMUX_MIC, 382 EM28XX_AMUX_CD, 383 EM28XX_AMUX_AUX, 384 EM28XX_AMUX_PCM_OUT, 385 }; 386 387 enum em28xx_aout { 388 /* AC97 outputs */ 389 EM28XX_AOUT_MASTER = BIT(0), 390 EM28XX_AOUT_LINE = BIT(1), 391 EM28XX_AOUT_MONO = BIT(2), 392 EM28XX_AOUT_LFE = BIT(3), 393 EM28XX_AOUT_SURR = BIT(4), 394 395 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ 396 EM28XX_AOUT_PCM_IN = BIT(7), 397 398 /* Bits 10-8 are used to indicate the PCM IN record select */ 399 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, 400 EM28XX_AOUT_PCM_CD = 1 << 8, 401 EM28XX_AOUT_PCM_VIDEO = 2 << 8, 402 EM28XX_AOUT_PCM_AUX = 3 << 8, 403 EM28XX_AOUT_PCM_LINE = 4 << 8, 404 EM28XX_AOUT_PCM_STEREO = 5 << 8, 405 EM28XX_AOUT_PCM_MONO = 6 << 8, 406 EM28XX_AOUT_PCM_PHONE = 7 << 8, 407 }; 408 409 static inline int ac97_return_record_select(int a_out) 410 { 411 return (a_out & 0x700) >> 8; 412 } 413 414 struct em28xx_reg_seq { 415 int reg; 416 unsigned char val, mask; 417 int sleep; 418 }; 419 420 struct em28xx_input { 421 enum enum28xx_itype type; 422 unsigned int vmux; 423 enum em28xx_amux amux; 424 enum em28xx_aout aout; 425 const struct em28xx_reg_seq *gpio; 426 }; 427 428 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) 429 430 enum em28xx_decoder { 431 EM28XX_NODECODER = 0, 432 EM28XX_TVP5150, 433 EM28XX_SAA711X, 434 }; 435 436 enum em28xx_sensor { 437 EM28XX_NOSENSOR = 0, 438 EM28XX_MT9V011, 439 EM28XX_MT9M001, 440 EM28XX_MT9M111, 441 EM28XX_OV2640, 442 }; 443 444 enum em28xx_adecoder { 445 EM28XX_NOADECODER = 0, 446 EM28XX_TVAUDIO, 447 }; 448 449 enum em28xx_led_role { 450 EM28XX_LED_ANALOG_CAPTURING = 0, 451 EM28XX_LED_DIGITAL_CAPTURING, 452 EM28XX_LED_DIGITAL_CAPTURING_TS2, 453 EM28XX_LED_ILLUMINATION, 454 EM28XX_NUM_LED_ROLES, /* must be the last */ 455 }; 456 457 struct em28xx_led { 458 enum em28xx_led_role role; 459 u8 gpio_reg; 460 u8 gpio_mask; 461 bool inverted; 462 }; 463 464 enum em28xx_button_role { 465 EM28XX_BUTTON_SNAPSHOT = 0, 466 EM28XX_BUTTON_ILLUMINATION, 467 EM28XX_NUM_BUTTON_ROLES, /* must be the last */ 468 }; 469 470 struct em28xx_button { 471 enum em28xx_button_role role; 472 u8 reg_r; 473 u8 reg_clearing; 474 u8 mask; 475 bool inverted; 476 }; 477 478 struct em28xx_board { 479 char *name; 480 int vchannels; 481 int tuner_type; 482 int tuner_addr; 483 unsigned int def_i2c_bus; /* Default I2C bus */ 484 485 /* i2c flags */ 486 unsigned int tda9887_conf; 487 488 /* GPIO sequences */ 489 const struct em28xx_reg_seq *dvb_gpio; 490 const struct em28xx_reg_seq *suspend_gpio; 491 const struct em28xx_reg_seq *tuner_gpio; 492 const struct em28xx_reg_seq *mute_gpio; 493 494 unsigned int is_em2800:1; 495 unsigned int has_msp34xx:1; 496 unsigned int mts_firmware:1; 497 unsigned int max_range_640_480:1; 498 unsigned int has_dvb:1; 499 unsigned int has_dual_ts:1; 500 unsigned int is_webcam:1; 501 unsigned int valid:1; 502 unsigned int has_ir_i2c:1; 503 504 unsigned char xclk, i2c_speed; 505 unsigned char radio_addr; 506 unsigned short tvaudio_addr; 507 508 enum em28xx_decoder decoder; 509 enum em28xx_adecoder adecoder; 510 511 struct em28xx_input input[MAX_EM28XX_INPUT]; 512 struct em28xx_input radio; 513 char *ir_codes; 514 515 /* LEDs that need to be controlled explicitly */ 516 struct em28xx_led *leds; 517 518 /* Buttons */ 519 const struct em28xx_button *buttons; 520 }; 521 522 struct em28xx_eeprom { 523 u8 id[4]; /* 1a eb 67 95 */ 524 __le16 vendor_ID; 525 __le16 product_ID; 526 527 __le16 chip_conf; 528 529 __le16 board_conf; 530 531 __le16 string1, string2, string3; 532 533 u8 string_idx_table; 534 }; 535 536 #define EM28XX_CAPTURE_STREAM_EN 1 537 538 /* em28xx extensions */ 539 #define EM28XX_AUDIO 0x10 540 #define EM28XX_DVB 0x20 541 #define EM28XX_RC 0x30 542 #define EM28XX_V4L2 0x40 543 544 /* em28xx resource types (used for res_get/res_lock etc */ 545 #define EM28XX_RESOURCE_VIDEO 0x01 546 #define EM28XX_RESOURCE_VBI 0x02 547 548 struct em28xx_v4l2 { 549 struct kref ref; 550 struct em28xx *dev; 551 552 struct v4l2_device v4l2_dev; 553 struct v4l2_ctrl_handler ctrl_handler; 554 555 struct video_device vdev; 556 struct video_device vbi_dev; 557 struct video_device radio_dev; 558 559 /* Videobuf2 */ 560 struct vb2_queue vb_vidq; 561 struct vb2_queue vb_vbiq; 562 struct mutex vb_queue_lock; /* Protects vb_vidq */ 563 struct mutex vb_vbi_queue_lock; /* Protects vb_vbiq */ 564 565 u8 vinmode; 566 u8 vinctl; 567 568 /* Camera specific fields */ 569 int sensor_xres; 570 int sensor_yres; 571 int sensor_xtal; 572 573 int users; /* user count for exclusive use */ 574 int streaming_users; /* number of actively streaming users */ 575 576 u32 frequency; /* selected tuner frequency */ 577 578 struct em28xx_fmt *format; 579 v4l2_std_id norm; /* selected tv norm */ 580 581 /* Progressive/interlaced mode */ 582 bool progressive; 583 int interlaced_fieldmode; /* 1=interlaced fields, 0=just top fields */ 584 /* FIXME: everything else than interlaced_fieldmode=1 doesn't work */ 585 586 /* Frame properties */ 587 int width; /* current frame width */ 588 int height; /* current frame height */ 589 unsigned int hscale; /* horizontal scale factor (see datasheet) */ 590 unsigned int vscale; /* vertical scale factor (see datasheet) */ 591 unsigned int vbi_width; 592 unsigned int vbi_height; /* lines per field */ 593 594 /* Capture state tracking */ 595 int capture_type; 596 bool top_field; 597 int vbi_read; 598 unsigned int field_count; 599 600 #ifdef CONFIG_MEDIA_CONTROLLER 601 struct media_pad video_pad, vbi_pad; 602 struct media_entity *decoder; 603 #endif 604 }; 605 606 struct em28xx_audio { 607 char name[50]; 608 unsigned int num_urb; 609 char **transfer_buffer; 610 struct urb **urb; 611 struct usb_device *udev; 612 unsigned int capture_transfer_done; 613 struct snd_pcm_substream *capture_pcm_substream; 614 615 unsigned int hwptr_done_capture; 616 struct snd_card *sndcard; 617 618 size_t period; 619 620 int users; 621 spinlock_t slock; /* Protects struct em28xx_audio */ 622 623 /* Controls streaming */ 624 struct work_struct wq_trigger; /* trigger to start/stop audio */ 625 atomic_t stream_started; /* stream should be running if true */ 626 }; 627 628 struct em28xx; 629 630 enum em28xx_i2c_algo_type { 631 EM28XX_I2C_ALGO_EM28XX = 0, 632 EM28XX_I2C_ALGO_EM2800, 633 EM28XX_I2C_ALGO_EM25XX_BUS_B, 634 }; 635 636 struct em28xx_i2c_bus { 637 struct em28xx *dev; 638 639 unsigned int bus; 640 enum em28xx_i2c_algo_type algo_type; 641 }; 642 643 /* main device struct */ 644 struct em28xx { 645 struct kref ref; 646 647 // Sub-module data 648 struct em28xx_v4l2 *v4l2; 649 struct em28xx_dvb *dvb; 650 struct em28xx_audio adev; 651 struct em28xx_IR *ir; 652 653 // generic device properties 654 int model; // index in the device_data struct 655 int devno; // marks the number of this device 656 enum em28xx_chip_id chip_id; 657 658 unsigned int is_em25xx:1; // em25xx/em276x/7x/8x family bridge 659 unsigned int disconnected:1; // device has been disconnected 660 unsigned int has_video:1; 661 unsigned int is_audio_only:1; 662 unsigned int is_webcam:1; 663 unsigned int has_msp34xx:1; 664 unsigned int i2c_speed:2; 665 enum em28xx_int_audio_type int_audio_type; 666 enum em28xx_usb_audio_type usb_audio_type; 667 unsigned char name[32]; 668 669 struct em28xx_board board; 670 671 enum em28xx_sensor em28xx_sensor; // camera specific 672 673 // Some older em28xx chips needs a waiting time after writing 674 unsigned int wait_after_write; 675 676 struct list_head devlist; 677 678 u32 i2s_speed; // I2S speed for audio digital stream 679 680 struct em28xx_audio_mode audio_mode; 681 682 int tuner_type; // type of the tuner 683 684 // i2c i/o 685 struct i2c_adapter i2c_adap[NUM_I2C_BUSES]; 686 struct i2c_client i2c_client[NUM_I2C_BUSES]; 687 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES]; 688 689 unsigned char eeprom_addrwidth_16bit:1; 690 unsigned int def_i2c_bus; // Default I2C bus 691 unsigned int cur_i2c_bus; // Current I2C bus 692 struct rt_mutex i2c_bus_lock; 693 694 // video for linux 695 unsigned int ctl_input; // selected input 696 unsigned int ctl_ainput;// selected audio input 697 unsigned int ctl_aoutput;// selected audio output 698 enum em28xx_amux amux_map[MAX_EM28XX_INPUT]; 699 700 int mute; 701 int volume; 702 703 unsigned long hash; // eeprom hash - for boards with generic ID 704 unsigned long i2c_hash; // i2c devicelist hash - 705 // for boards with generic ID 706 707 struct work_struct request_module_wk; 708 709 // locks 710 struct mutex lock; /* protects em28xx struct */ 711 struct mutex ctrl_urb_lock; /* protects urb_buf */ 712 713 // resources in use 714 unsigned int resources; 715 716 // eeprom content 717 u8 *eedata; 718 u16 eedata_len; 719 720 // Isoc control struct 721 struct em28xx_dmaqueue vidq; 722 struct em28xx_dmaqueue vbiq; 723 struct em28xx_usb_ctl usb_ctl; 724 725 spinlock_t slock; /* Protects em28xx video/vbi/dvb IRQ stream data */ 726 727 // usb transfer 728 struct usb_interface *intf; // the usb interface 729 u8 ifnum; // number of the assigned usb interface 730 u8 analog_ep_isoc; // address of isoc endpoint for analog 731 u8 analog_ep_bulk; // address of bulk endpoint for analog 732 u8 dvb_ep_isoc_ts2; // address of isoc endpoint for DVB TS2 733 u8 dvb_ep_bulk_ts2; // address of bulk endpoint for DVB TS2 734 u8 dvb_ep_isoc; // address of isoc endpoint for DVB 735 u8 dvb_ep_bulk; // address of bulk endpoint for DVB 736 int alt; // alternate setting 737 int max_pkt_size; // max packet size of the selected ep at alt 738 int packet_multiplier; // multiplier for wMaxPacketSize, used for 739 // URB buffer size definition 740 int num_alt; // number of alternative settings 741 unsigned int *alt_max_pkt_size_isoc; // array of isoc wMaxPacketSize 742 unsigned int analog_xfer_bulk:1; // use bulk instead of isoc 743 // transfers for analog 744 int dvb_alt_isoc; // alternate setting for DVB isoc transfers 745 unsigned int dvb_max_pkt_size_isoc; // isoc max packet size of the 746 // selected DVB ep at dvb_alt 747 unsigned int dvb_max_pkt_size_isoc_ts2; // isoc max packet size of the 748 // selected DVB ep at dvb_alt 749 unsigned int dvb_xfer_bulk:1; // use bulk instead of isoc 750 // transfers for DVB 751 char urb_buf[URB_MAX_CTRL_SIZE]; // urb control msg buffer 752 753 // helper funcs that call usb_control_msg 754 int (*em28xx_write_regs)(struct em28xx *dev, u16 reg, 755 char *buf, int len); 756 int (*em28xx_read_reg)(struct em28xx *dev, u16 reg); 757 int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg, 758 char *buf, int len); 759 int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg, 760 char *buf, int len); 761 int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg); 762 763 enum em28xx_mode mode; 764 765 // Button state polling 766 struct delayed_work buttons_query_work; 767 u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 768 u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 769 u8 num_button_polling_addresses; 770 u16 button_polling_interval; // [ms] 771 // Snapshot button input device 772 char snapshot_button_path[30]; // path of the input dev 773 struct input_dev *sbutton_input_dev; 774 775 #ifdef CONFIG_MEDIA_CONTROLLER 776 struct media_device *media_dev; 777 struct media_entity input_ent[MAX_EM28XX_INPUT]; 778 struct media_pad input_pad[MAX_EM28XX_INPUT]; 779 #endif 780 781 struct em28xx *dev_next; 782 int ts; 783 }; 784 785 #define kref_to_dev(d) container_of(d, struct em28xx, ref) 786 787 struct em28xx_ops { 788 struct list_head next; 789 char *name; 790 int id; 791 int (*init)(struct em28xx *dev); 792 int (*fini)(struct em28xx *dev); 793 int (*suspend)(struct em28xx *dev); 794 int (*resume)(struct em28xx *dev); 795 }; 796 797 /* Provided by em28xx-i2c.c */ 798 void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus); 799 int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, 800 enum em28xx_i2c_algo_type algo_type); 801 int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus); 802 803 /* Provided by em28xx-core.c */ 804 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, 805 char *buf, int len); 806 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); 807 int em28xx_read_reg(struct em28xx *dev, u16 reg); 808 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 809 int len); 810 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); 811 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); 812 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, 813 u8 bitmask); 814 int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); 815 816 int em28xx_read_ac97(struct em28xx *dev, u8 reg); 817 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); 818 819 int em28xx_audio_analog_set(struct em28xx *dev); 820 int em28xx_audio_setup(struct em28xx *dev); 821 822 const struct em28xx_led *em28xx_find_led(struct em28xx *dev, 823 enum em28xx_led_role role); 824 int em28xx_capture_start(struct em28xx *dev, int start); 825 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, 826 int num_bufs, int max_pkt_size, int packet_multiplier); 827 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, 828 int xfer_bulk, 829 int num_bufs, int max_pkt_size, int packet_multiplier, 830 int (*urb_data_copy) 831 (struct em28xx *dev, struct urb *urb)); 832 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); 833 void em28xx_stop_urbs(struct em28xx *dev); 834 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); 835 int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio); 836 int em28xx_register_extension(struct em28xx_ops *dev); 837 void em28xx_unregister_extension(struct em28xx_ops *dev); 838 void em28xx_init_extension(struct em28xx *dev); 839 void em28xx_close_extension(struct em28xx *dev); 840 int em28xx_suspend_extension(struct em28xx *dev); 841 int em28xx_resume_extension(struct em28xx *dev); 842 843 /* Provided by em28xx-cards.c */ 844 extern const struct em28xx_board em28xx_boards[]; 845 extern struct usb_device_id em28xx_id_table[]; 846 int em28xx_tuner_callback(void *ptr, int component, int command, int arg); 847 void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl); 848 void em28xx_free_device(struct kref *ref); 849 850 /* Provided by em28xx-camera.c */ 851 int em28xx_detect_sensor(struct em28xx *dev); 852 int em28xx_init_camera(struct em28xx *dev); 853 854 #endif 855