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 13 #ifndef _EM28XX_H 14 #define _EM28XX_H 15 16 #include <linux/bitfield.h> 17 18 #define EM28XX_VERSION "0.2.2" 19 #define DRIVER_DESC "Empia em28xx device driver" 20 21 #include <linux/workqueue.h> 22 #include <linux/i2c.h> 23 #include <linux/mutex.h> 24 #include <linux/kref.h> 25 #include <linux/videodev2.h> 26 27 #include <media/videobuf2-v4l2.h> 28 #include <media/videobuf2-vmalloc.h> 29 #include <media/v4l2-device.h> 30 #include <media/v4l2-ctrls.h> 31 #include <media/v4l2-fh.h> 32 #include <media/i2c/ir-kbd-i2c.h> 33 #include <media/rc-core.h> 34 #include "xc2028.h" 35 #include "xc5000.h" 36 #include "em28xx-reg.h" 37 38 /* Boards supported by driver */ 39 #define EM2800_BOARD_UNKNOWN 0 40 #define EM2820_BOARD_UNKNOWN 1 41 #define EM2820_BOARD_TERRATEC_CINERGY_250 2 42 #define EM2820_BOARD_PINNACLE_USB_2 3 43 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 44 #define EM2820_BOARD_MSI_VOX_USB_2 5 45 #define EM2800_BOARD_TERRATEC_CINERGY_200 6 46 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 47 #define EM2800_BOARD_KWORLD_USB2800 8 48 #define EM2820_BOARD_PINNACLE_DVC_90 9 49 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 50 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 51 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 52 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 53 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 54 #define EM2800_BOARD_VGEAR_POCKETTV 15 55 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 56 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 57 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 58 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 59 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 60 #define EM2800_BOARD_GRABBEEX_USB2800 21 61 #define EM2750_BOARD_UNKNOWN 22 62 #define EM2750_BOARD_DLCW_130 23 63 #define EM2820_BOARD_DLINK_USB_TV 24 64 #define EM2820_BOARD_GADMEI_UTV310 25 65 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 66 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 67 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 68 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 69 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 70 #define EM2821_BOARD_USBGEAR_VD204 31 71 #define EM2821_BOARD_SUPERCOMP_USB_2 32 72 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 73 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34 74 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35 75 #define EM2860_BOARD_NETGMBH_CAM 36 76 #define EM2860_BOARD_GADMEI_UTV330 37 77 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 78 #define EM2861_BOARD_KWORLD_PVRTV_300U 39 79 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40 80 #define EM2870_BOARD_KWORLD_350U 41 81 #define EM2870_BOARD_KWORLD_355U 42 82 #define EM2870_BOARD_TERRATEC_XS 43 83 #define EM2870_BOARD_TERRATEC_XS_MT2060 44 84 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45 85 #define EM2870_BOARD_COMPRO_VIDEOMATE 46 86 #define EM2880_BOARD_KWORLD_DVB_305U 47 87 #define EM2880_BOARD_KWORLD_DVB_310U 48 88 #define EM2880_BOARD_MSI_DIGIVOX_AD 49 89 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 90 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 91 #define EM2881_BOARD_DNT_DA2_HYBRID 52 92 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 93 #define EM2882_BOARD_KWORLD_VS_DVBT 54 94 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 95 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 96 #define EM2883_BOARD_KWORLD_HYBRID_330U 57 97 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 98 #define EM2874_BOARD_PCTV_HD_MINI_80E 59 99 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 100 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 101 #define EM2820_BOARD_GADMEI_TVR200 62 102 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63 103 #define EM2860_BOARD_EASYCAP 64 104 #define EM2820_BOARD_IODATA_GVMVP_SZ 65 105 #define EM2880_BOARD_EMPIRE_DUAL_TV 66 106 #define EM2860_BOARD_TERRATEC_GRABBY 67 107 #define EM2860_BOARD_TERRATEC_AV350 68 108 #define EM2882_BOARD_KWORLD_ATSC_315U 69 109 #define EM2882_BOARD_EVGA_INDTUBE 70 110 #define EM2820_BOARD_SILVERCREST_WEBCAM 71 111 #define EM2861_BOARD_GADMEI_UTV330PLUS 72 112 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 113 #define EM2800_BOARD_VC211A 74 114 #define EM2882_BOARD_DIKOM_DK300 75 115 #define EM2870_BOARD_KWORLD_A340 76 116 #define EM2874_BOARD_LEADERSHIP_ISDBT 77 117 #define EM28174_BOARD_PCTV_290E 78 118 #define EM2884_BOARD_TERRATEC_H5 79 119 #define EM28174_BOARD_PCTV_460E 80 120 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 121 #define EM2884_BOARD_CINERGY_HTC_STICK 82 122 #define EM2860_BOARD_HT_VIDBOX_NW03 83 123 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 124 #define EM2884_BOARD_PCTV_510E 85 125 #define EM2884_BOARD_PCTV_520E 86 126 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 127 #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 128 #define EM2874_BOARD_DELOCK_61959 89 129 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 130 #define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 131 #define EM28178_BOARD_PCTV_461E 92 132 #define EM2874_BOARD_KWORLD_UB435Q_V3 93 133 #define EM28178_BOARD_PCTV_292E 94 134 #define EM2861_BOARD_LEADTEK_VC100 95 135 #define EM28178_BOARD_TERRATEC_T2_STICK_HD 96 136 #define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97 137 #define EM28178_BOARD_PLEX_PX_BCUD 98 138 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 139 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 140 #define EM2884_BOARD_TERRATEC_H6 101 141 #define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102 142 #define EM2861_BOARD_MAGIX_VIDEOWANDLER2 103 143 #define EM28178_BOARD_PCTV_461E_V2 104 144 #define EM2860_BOARD_MYGICA_IGRABBER 105 145 #define EM2874_BOARD_HAUPPAUGE_USB_QUADHD 106 146 #define EM2860_BOARD_MYGICA_UTV3 107 147 148 /* Limits minimum and default number of buffers */ 149 #define EM28XX_MIN_BUF 4 150 #define EM28XX_DEF_BUF 8 151 152 /*Limits the max URB message size */ 153 #define URB_MAX_CTRL_SIZE 80 154 155 /* Params for validated field */ 156 #define EM28XX_BOARD_NOT_VALIDATED 1 157 #define EM28XX_BOARD_VALIDATED 0 158 159 /* Params for em28xx_cmd() audio */ 160 #define EM28XX_START_AUDIO 1 161 #define EM28XX_STOP_AUDIO 0 162 163 /* maximum number of em28xx boards */ 164 #define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS /* All adapters could be em28xx */ 165 166 /* maximum number of frames that can be queued */ 167 #define EM28XX_NUM_FRAMES 5 168 /* number of frames that get used for v4l2_read() */ 169 #define EM28XX_NUM_READ_FRAMES 2 170 171 /* number of buffers for isoc transfers */ 172 #define EM28XX_NUM_BUFS 5 173 #define EM28XX_DVB_NUM_BUFS 5 174 175 /* max number of I2C buses on em28xx devices */ 176 #define NUM_I2C_BUSES 2 177 178 /* 179 * isoc transfers: number of packets for each buffer 180 * windows requests only 64 packets .. so we better do the same 181 * this is what I found out for all alternate numbers there! 182 */ 183 #define EM28XX_NUM_ISOC_PACKETS 64 184 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 185 186 /* 187 * bulk transfers: transfer buffer size = packet size * packet multiplier 188 * USB 2.0 spec says bulk packet size is always 512 bytes 189 */ 190 #define EM28XX_BULK_PACKET_MULTIPLIER 384 191 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94 192 193 #define EM28XX_INTERLACED_DEFAULT 1 194 195 /* time in msecs to wait for AC97 xfers to finish */ 196 #define EM28XX_AC97_XFER_TIMEOUT 100 197 198 /* max. number of button state polling addresses */ 199 #define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 200 201 #define PRIMARY_TS 0 202 #define SECONDARY_TS 1 203 204 enum em28xx_mode { 205 EM28XX_SUSPEND, 206 EM28XX_ANALOG_MODE, 207 EM28XX_DIGITAL_MODE, 208 }; 209 210 struct em28xx; 211 212 /** 213 * struct em28xx_usb_bufs - Contains URB-related buffer data 214 * 215 * @max_pkt_size: max packet size of isoc transaction 216 * @num_packets: number of packets in each buffer 217 * @num_bufs: number of allocated urb 218 * @urb: urb for isoc/bulk transfers 219 * @buf: transfer buffers for isoc/bulk transfer 220 */ 221 struct em28xx_usb_bufs { 222 int max_pkt_size; 223 int num_packets; 224 int num_bufs; 225 struct urb **urb; 226 char **buf; 227 }; 228 229 /** 230 * struct em28xx_usb_ctl - Contains URB-related buffer data 231 * 232 * @analog_bufs: isoc/bulk transfer buffers for analog mode 233 * @digital_bufs: isoc/bulk transfer buffers for digital mode 234 * @vid_buf: Stores already requested video buffers 235 * @vbi_buf: Stores already requested VBI buffers 236 * @urb_data_copy: copy data from URB 237 */ 238 struct em28xx_usb_ctl { 239 struct em28xx_usb_bufs analog_bufs; 240 struct em28xx_usb_bufs digital_bufs; 241 struct em28xx_buffer *vid_buf; 242 struct em28xx_buffer *vbi_buf; 243 int (*urb_data_copy)(struct em28xx *dev, struct urb *urb); 244 }; 245 246 /** 247 * struct em28xx_fmt - Struct to enumberate video formats 248 * 249 * @fourcc: v4l2 format id 250 * @depth: mean number of bits to represent a pixel 251 * @reg: em28xx register value to set it 252 */ 253 struct em28xx_fmt { 254 u32 fourcc; 255 int depth; 256 int reg; 257 }; 258 259 /** 260 * struct em28xx_buffer- buffer for storing one video frame 261 * 262 * @vb: common v4l buffer stuff 263 * @list: List to associate it with the other buffers 264 * @mem: pointer to the buffer, as returned by vb2_plane_vaddr() 265 * @length: length of the buffer, as returned by vb2_plane_size() 266 * @top_field: If non-zero, indicate that the buffer is the top field 267 * @pos: Indicate the next position of the buffer to be filled. 268 * @vb_buf: pointer to vmalloc memory address in vb 269 * 270 * .. note:: 271 * 272 * in interlaced mode, @pos is reset to zero at the start of each new 273 * field (not frame !) 274 */ 275 struct em28xx_buffer { 276 struct vb2_v4l2_buffer vb; /* must be first */ 277 278 struct list_head list; 279 280 void *mem; 281 unsigned int length; 282 int top_field; 283 284 unsigned int pos; 285 286 char *vb_buf; 287 }; 288 289 struct em28xx_dmaqueue { 290 struct list_head active; 291 292 wait_queue_head_t wq; 293 }; 294 295 /* inputs */ 296 297 #define MAX_EM28XX_INPUT 4 298 enum enum28xx_itype { 299 EM28XX_VMUX_COMPOSITE = 1, 300 EM28XX_VMUX_SVIDEO, 301 EM28XX_VMUX_TELEVISION, 302 EM28XX_RADIO, 303 }; 304 305 enum em28xx_ac97_mode { 306 EM28XX_NO_AC97 = 0, 307 EM28XX_AC97_EM202, 308 EM28XX_AC97_SIGMATEL, 309 EM28XX_AC97_OTHER, 310 }; 311 312 struct em28xx_audio_mode { 313 enum em28xx_ac97_mode ac97; 314 }; 315 316 enum em28xx_int_audio_type { 317 EM28XX_INT_AUDIO_NONE = 0, 318 EM28XX_INT_AUDIO_AC97, 319 EM28XX_INT_AUDIO_I2S, 320 }; 321 322 enum em28xx_usb_audio_type { 323 EM28XX_USB_AUDIO_NONE = 0, 324 EM28XX_USB_AUDIO_CLASS, 325 EM28XX_USB_AUDIO_VENDOR, 326 }; 327 328 /** 329 * enum em28xx_amux - describes the type of audio input used by em28xx 330 * 331 * @EM28XX_AMUX_UNUSED: 332 * Used only on em28xx dev->map field, in order to mark an entry 333 * as unused. 334 * @EM28XX_AMUX_VIDEO: 335 * On devices without AC97, this is the only value that it is currently 336 * allowed. 337 * On devices with AC97, it corresponds to the AC97 mixer "Video" control. 338 * @EM28XX_AMUX_LINE_IN: 339 * Only for devices with AC97. Corresponds to AC97 mixer "Line In". 340 * @EM28XX_AMUX_VIDEO2: 341 * Only for devices with AC97. It means that em28xx should use "Line In" 342 * And AC97 should use the "Video" mixer control. 343 * @EM28XX_AMUX_PHONE: 344 * Only for devices with AC97. Corresponds to AC97 mixer "Phone". 345 * @EM28XX_AMUX_MIC: 346 * Only for devices with AC97. Corresponds to AC97 mixer "Mic". 347 * @EM28XX_AMUX_CD: 348 * Only for devices with AC97. Corresponds to AC97 mixer "CD". 349 * @EM28XX_AMUX_AUX: 350 * Only for devices with AC97. Corresponds to AC97 mixer "Aux". 351 * @EM28XX_AMUX_PCM_OUT: 352 * Only for devices with AC97. Corresponds to AC97 mixer "PCM out". 353 * 354 * The em28xx chip itself has only two audio inputs: tuner and line in. 355 * On almost all devices, only the tuner input is used. 356 * 357 * However, on most devices, an auxiliary AC97 codec device is used, 358 * usually connected to the em28xx tuner input (except for 359 * @EM28XX_AMUX_LINE_IN). 360 * 361 * The AC97 device typically have several different inputs and outputs. 362 * The exact number and description depends on their model. 363 * 364 * It is possible to AC97 to mixer more than one different entries at the 365 * same time, via the alsa mux. 366 */ 367 enum em28xx_amux { 368 EM28XX_AMUX_UNUSED = -1, 369 EM28XX_AMUX_VIDEO = 0, 370 EM28XX_AMUX_LINE_IN, 371 372 /* Some less-common mixer setups */ 373 EM28XX_AMUX_VIDEO2, 374 EM28XX_AMUX_PHONE, 375 EM28XX_AMUX_MIC, 376 EM28XX_AMUX_CD, 377 EM28XX_AMUX_AUX, 378 EM28XX_AMUX_PCM_OUT, 379 }; 380 381 enum em28xx_aout { 382 /* AC97 outputs */ 383 EM28XX_AOUT_MASTER = BIT(0), 384 EM28XX_AOUT_LINE = BIT(1), 385 EM28XX_AOUT_MONO = BIT(2), 386 EM28XX_AOUT_LFE = BIT(3), 387 EM28XX_AOUT_SURR = BIT(4), 388 389 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ 390 EM28XX_AOUT_PCM_IN = BIT(7), 391 392 /* Bits 10-8 are used to indicate the PCM IN record select */ 393 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, 394 EM28XX_AOUT_PCM_CD = 1 << 8, 395 EM28XX_AOUT_PCM_VIDEO = 2 << 8, 396 EM28XX_AOUT_PCM_AUX = 3 << 8, 397 EM28XX_AOUT_PCM_LINE = 4 << 8, 398 EM28XX_AOUT_PCM_STEREO = 5 << 8, 399 EM28XX_AOUT_PCM_MONO = 6 << 8, 400 EM28XX_AOUT_PCM_PHONE = 7 << 8, 401 }; 402 403 static inline int ac97_return_record_select(int a_out) 404 { 405 return (a_out & 0x700) >> 8; 406 } 407 408 struct em28xx_reg_seq { 409 int reg; 410 unsigned char val, mask; 411 int sleep; 412 }; 413 414 struct em28xx_input { 415 enum enum28xx_itype type; 416 unsigned int vmux; 417 enum em28xx_amux amux; 418 enum em28xx_aout aout; 419 const struct em28xx_reg_seq *gpio; 420 }; 421 422 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) 423 424 enum em28xx_decoder { 425 EM28XX_NODECODER = 0, 426 EM28XX_TVP5150, 427 EM28XX_SAA711X, 428 }; 429 430 enum em28xx_sensor { 431 EM28XX_NOSENSOR = 0, 432 EM28XX_MT9V011, 433 EM28XX_MT9M001, 434 EM28XX_MT9M111, 435 EM28XX_OV2640, 436 }; 437 438 enum em28xx_adecoder { 439 EM28XX_NOADECODER = 0, 440 EM28XX_TVAUDIO, 441 }; 442 443 enum em28xx_led_role { 444 EM28XX_LED_ANALOG_CAPTURING = 0, 445 EM28XX_LED_DIGITAL_CAPTURING, 446 EM28XX_LED_DIGITAL_CAPTURING_TS2, 447 EM28XX_LED_ILLUMINATION, 448 EM28XX_NUM_LED_ROLES, /* must be the last */ 449 }; 450 451 struct em28xx_led { 452 enum em28xx_led_role role; 453 u8 gpio_reg; 454 u8 gpio_mask; 455 bool inverted; 456 }; 457 458 enum em28xx_button_role { 459 EM28XX_BUTTON_SNAPSHOT = 0, 460 EM28XX_BUTTON_ILLUMINATION, 461 EM28XX_NUM_BUTTON_ROLES, /* must be the last */ 462 }; 463 464 struct em28xx_button { 465 enum em28xx_button_role role; 466 u8 reg_r; 467 u8 reg_clearing; 468 u8 mask; 469 bool inverted; 470 }; 471 472 struct em28xx_board { 473 char *name; 474 int vchannels; 475 int tuner_type; 476 int tuner_addr; 477 unsigned int def_i2c_bus; /* Default I2C bus */ 478 479 /* i2c flags */ 480 unsigned int tda9887_conf; 481 482 /* GPIO sequences */ 483 const struct em28xx_reg_seq *dvb_gpio; 484 const struct em28xx_reg_seq *suspend_gpio; 485 const struct em28xx_reg_seq *tuner_gpio; 486 const struct em28xx_reg_seq *mute_gpio; 487 488 unsigned int is_em2800:1; 489 unsigned int has_msp34xx:1; 490 unsigned int mts_firmware:1; 491 unsigned int max_range_640_480:1; 492 unsigned int has_dvb:1; 493 unsigned int has_dual_ts:1; 494 unsigned int is_webcam:1; 495 unsigned int valid:1; 496 unsigned int has_ir_i2c:1; 497 498 unsigned char xclk, i2c_speed; 499 unsigned char radio_addr; 500 unsigned short tvaudio_addr; 501 502 enum em28xx_decoder decoder; 503 enum em28xx_adecoder adecoder; 504 505 struct em28xx_input input[MAX_EM28XX_INPUT]; 506 struct em28xx_input radio; 507 char *ir_codes; 508 509 /* LEDs that need to be controlled explicitly */ 510 struct em28xx_led *leds; 511 512 /* Buttons */ 513 const struct em28xx_button *buttons; 514 }; 515 516 struct em28xx_eeprom { 517 u8 id[4]; /* 1a eb 67 95 */ 518 __le16 vendor_ID; 519 __le16 product_ID; 520 521 __le16 chip_conf; 522 523 __le16 board_conf; 524 525 __le16 string1, string2, string3; 526 527 u8 string_idx_table; 528 }; 529 530 #define EM28XX_CAPTURE_STREAM_EN 1 531 532 /* em28xx extensions */ 533 #define EM28XX_AUDIO 0x10 534 #define EM28XX_DVB 0x20 535 #define EM28XX_RC 0x30 536 #define EM28XX_V4L2 0x40 537 538 /* em28xx resource types (used for res_get/res_lock etc */ 539 #define EM28XX_RESOURCE_VIDEO 0x01 540 #define EM28XX_RESOURCE_VBI 0x02 541 542 struct em28xx_v4l2 { 543 struct kref ref; 544 struct em28xx *dev; 545 546 struct v4l2_device v4l2_dev; 547 struct v4l2_ctrl_handler ctrl_handler; 548 549 struct video_device vdev; 550 struct video_device vbi_dev; 551 struct video_device radio_dev; 552 553 /* Videobuf2 */ 554 struct vb2_queue vb_vidq; 555 struct vb2_queue vb_vbiq; 556 struct mutex vb_queue_lock; /* Protects vb_vidq */ 557 struct mutex vb_vbi_queue_lock; /* Protects vb_vbiq */ 558 559 u8 vinmode; 560 u8 vinctl; 561 562 /* Camera specific fields */ 563 int sensor_xres; 564 int sensor_yres; 565 int sensor_xtal; 566 567 int users; /* user count for exclusive use */ 568 int streaming_users; /* number of actively streaming users */ 569 570 u32 frequency; /* selected tuner frequency */ 571 572 struct em28xx_fmt *format; 573 v4l2_std_id norm; /* selected tv norm */ 574 575 /* Progressive/interlaced mode */ 576 bool progressive; 577 int interlaced_fieldmode; /* 1=interlaced fields, 0=just top fields */ 578 /* FIXME: everything else than interlaced_fieldmode=1 doesn't work */ 579 580 /* Frame properties */ 581 int width; /* current frame width */ 582 int height; /* current frame height */ 583 unsigned int hscale; /* horizontal scale factor (see datasheet) */ 584 unsigned int vscale; /* vertical scale factor (see datasheet) */ 585 unsigned int vbi_width; 586 unsigned int vbi_height; /* lines per field */ 587 588 /* Capture state tracking */ 589 int capture_type; 590 bool top_field; 591 int vbi_read; 592 unsigned int field_count; 593 594 #ifdef CONFIG_MEDIA_CONTROLLER 595 struct media_pad video_pad, vbi_pad; 596 struct media_entity *decoder; 597 #endif 598 }; 599 600 struct em28xx_audio { 601 char name[50]; 602 unsigned int num_urb; 603 char **transfer_buffer; 604 struct urb **urb; 605 struct usb_device *udev; 606 unsigned int capture_transfer_done; 607 struct snd_pcm_substream *capture_pcm_substream; 608 609 unsigned int hwptr_done_capture; 610 struct snd_card *sndcard; 611 612 size_t period; 613 614 int users; 615 spinlock_t slock; /* Protects struct em28xx_audio */ 616 617 /* Controls streaming */ 618 struct work_struct wq_trigger; /* trigger to start/stop audio */ 619 atomic_t stream_started; /* stream should be running if true */ 620 }; 621 622 enum em28xx_i2c_algo_type { 623 EM28XX_I2C_ALGO_EM28XX = 0, 624 EM28XX_I2C_ALGO_EM2800, 625 EM28XX_I2C_ALGO_EM25XX_BUS_B, 626 }; 627 628 struct em28xx_i2c_bus { 629 struct em28xx *dev; 630 631 unsigned int bus; 632 enum em28xx_i2c_algo_type algo_type; 633 }; 634 635 /* main device struct */ 636 struct em28xx { 637 struct kref ref; 638 639 // Sub-module data 640 struct em28xx_v4l2 *v4l2; 641 struct em28xx_dvb *dvb; 642 struct em28xx_audio adev; 643 struct em28xx_IR *ir; 644 645 // generic device properties 646 int model; // index in the device_data struct 647 int devno; // marks the number of this device 648 enum em28xx_chip_id chip_id; 649 650 unsigned int is_em25xx:1; // em25xx/em276x/7x/8x family bridge 651 unsigned int disconnected:1; // device has been disconnected 652 unsigned int has_video:1; 653 unsigned int is_audio_only:1; 654 unsigned int is_webcam:1; 655 unsigned int has_msp34xx:1; 656 unsigned int i2c_speed:2; 657 enum em28xx_int_audio_type int_audio_type; 658 enum em28xx_usb_audio_type usb_audio_type; 659 unsigned char name[32]; 660 661 struct em28xx_board board; 662 663 enum em28xx_sensor em28xx_sensor; // camera specific 664 665 // Some older em28xx chips needs a waiting time after writing 666 unsigned int wait_after_write; 667 668 struct list_head devlist; 669 670 u32 i2s_speed; // I2S speed for audio digital stream 671 672 struct em28xx_audio_mode audio_mode; 673 674 int tuner_type; // type of the tuner 675 676 // i2c i/o 677 struct i2c_adapter i2c_adap[NUM_I2C_BUSES]; 678 struct i2c_client i2c_client[NUM_I2C_BUSES]; 679 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES]; 680 681 unsigned char eeprom_addrwidth_16bit:1; 682 unsigned int def_i2c_bus; // Default I2C bus 683 unsigned int cur_i2c_bus; // Current I2C bus 684 struct rt_mutex i2c_bus_lock; 685 686 // video for linux 687 unsigned int ctl_input; // selected input 688 unsigned int ctl_ainput;// selected audio input 689 unsigned int ctl_aoutput;// selected audio output 690 enum em28xx_amux amux_map[MAX_EM28XX_INPUT]; 691 692 int mute; 693 int volume; 694 695 unsigned long hash; // eeprom hash - for boards with generic ID 696 unsigned long i2c_hash; // i2c devicelist hash - 697 // for boards with generic ID 698 699 struct work_struct request_module_wk; 700 701 // locks 702 struct mutex lock; /* protects em28xx struct */ 703 struct mutex ctrl_urb_lock; /* protects urb_buf */ 704 705 // resources in use 706 unsigned int resources; 707 708 // eeprom content 709 u8 *eedata; 710 u16 eedata_len; 711 712 // Isoc control struct 713 struct em28xx_dmaqueue vidq; 714 struct em28xx_dmaqueue vbiq; 715 struct em28xx_usb_ctl usb_ctl; 716 717 spinlock_t slock; /* Protects em28xx video/vbi/dvb IRQ stream data */ 718 719 // usb transfer 720 struct usb_interface *intf; // the usb interface 721 u8 ifnum; // number of the assigned usb interface 722 u8 analog_ep_isoc; // address of isoc endpoint for analog 723 u8 analog_ep_bulk; // address of bulk endpoint for analog 724 u8 dvb_ep_isoc_ts2; // address of isoc endpoint for DVB TS2 725 u8 dvb_ep_bulk_ts2; // address of bulk endpoint for DVB TS2 726 u8 dvb_ep_isoc; // address of isoc endpoint for DVB 727 u8 dvb_ep_bulk; // address of bulk endpoint for DVB 728 int alt; // alternate setting 729 int max_pkt_size; // max packet size of the selected ep at alt 730 int packet_multiplier; // multiplier for wMaxPacketSize, used for 731 // URB buffer size definition 732 int num_alt; // number of alternative settings 733 unsigned int *alt_max_pkt_size_isoc; // array of isoc wMaxPacketSize 734 unsigned int analog_xfer_bulk:1; // use bulk instead of isoc 735 // transfers for analog 736 int dvb_alt_isoc; // alternate setting for DVB isoc transfers 737 unsigned int dvb_max_pkt_size_isoc; // isoc max packet size of the 738 // selected DVB ep at dvb_alt 739 unsigned int dvb_max_pkt_size_isoc_ts2; // isoc max packet size of the 740 // selected DVB ep at dvb_alt 741 unsigned int dvb_xfer_bulk:1; // use bulk instead of isoc 742 // transfers for DVB 743 char urb_buf[URB_MAX_CTRL_SIZE]; // urb control msg buffer 744 745 // helper funcs that call usb_control_msg 746 int (*em28xx_write_regs)(struct em28xx *dev, u16 reg, 747 char *buf, int len); 748 int (*em28xx_read_reg)(struct em28xx *dev, u16 reg); 749 int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg, 750 char *buf, int len); 751 int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg, 752 char *buf, int len); 753 int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg); 754 755 enum em28xx_mode mode; 756 757 // Button state polling 758 struct delayed_work buttons_query_work; 759 u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 760 u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 761 u8 num_button_polling_addresses; 762 u16 button_polling_interval; // [ms] 763 // Snapshot button input device 764 char snapshot_button_path[30]; // path of the input dev 765 struct input_dev *sbutton_input_dev; 766 767 #ifdef CONFIG_MEDIA_CONTROLLER 768 struct media_device *media_dev; 769 struct media_entity input_ent[MAX_EM28XX_INPUT]; 770 struct media_pad input_pad[MAX_EM28XX_INPUT]; 771 #endif 772 773 struct em28xx *dev_next; 774 int ts; 775 }; 776 777 #define kref_to_dev(d) container_of(d, struct em28xx, ref) 778 779 struct em28xx_ops { 780 struct list_head next; 781 char *name; 782 int id; 783 int (*init)(struct em28xx *dev); 784 int (*fini)(struct em28xx *dev); 785 int (*suspend)(struct em28xx *dev); 786 int (*resume)(struct em28xx *dev); 787 }; 788 789 /* Provided by em28xx-i2c.c */ 790 void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus); 791 int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, 792 enum em28xx_i2c_algo_type algo_type); 793 int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus); 794 795 /* Provided by em28xx-core.c */ 796 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, 797 char *buf, int len); 798 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); 799 int em28xx_read_reg(struct em28xx *dev, u16 reg); 800 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 801 int len); 802 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); 803 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); 804 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, 805 u8 bitmask); 806 int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); 807 808 int em28xx_read_ac97(struct em28xx *dev, u8 reg); 809 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); 810 811 int em28xx_audio_analog_set(struct em28xx *dev); 812 int em28xx_audio_setup(struct em28xx *dev); 813 814 const struct em28xx_led *em28xx_find_led(struct em28xx *dev, 815 enum em28xx_led_role role); 816 int em28xx_capture_start(struct em28xx *dev, int start); 817 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, 818 int num_bufs, int max_pkt_size, int packet_multiplier); 819 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, 820 int xfer_bulk, 821 int num_bufs, int max_pkt_size, int packet_multiplier, 822 int (*urb_data_copy) 823 (struct em28xx *dev, struct urb *urb)); 824 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); 825 void em28xx_stop_urbs(struct em28xx *dev); 826 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); 827 int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio); 828 int em28xx_register_extension(struct em28xx_ops *dev); 829 void em28xx_unregister_extension(struct em28xx_ops *dev); 830 void em28xx_init_extension(struct em28xx *dev); 831 void em28xx_close_extension(struct em28xx *dev); 832 int em28xx_suspend_extension(struct em28xx *dev); 833 int em28xx_resume_extension(struct em28xx *dev); 834 835 /* Provided by em28xx-cards.c */ 836 extern const struct em28xx_board em28xx_boards[]; 837 extern struct usb_device_id em28xx_id_table[]; 838 int em28xx_tuner_callback(void *ptr, int component, int command, int arg); 839 void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl); 840 void em28xx_free_device(struct kref *ref); 841 842 /* Provided by em28xx-camera.c */ 843 int em28xx_detect_sensor(struct em28xx *dev); 844 int em28xx_init_camera(struct em28xx *dev); 845 846 #endif 847