kernel/2.6.29.6-aldebaran-rt/drivers/media/video/em28xx/em28xx.h

   1 /*
   2    em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
   3
   4    Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
   5                       Ludovico Cavedon <cavedon@sssup.it>
   6                       Mauro Carvalho Chehab <mchehab@infradead.org>
   7
   8    Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #ifndef _EM28XX_H
  26 #define _EM28XX_H
  27
  28 #include <linux/videodev2.h>
  29 #include <media/videobuf-vmalloc.h>
  30
  31 #include <linux/i2c.h>
  32 #include <linux/mutex.h>
  33 #include <media/ir-kbd-i2c.h>
  34 #if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
  35 #include <media/videobuf-dvb.h>
  36 #endif
  37 #include "tuner-xc2028.h"
  38 #include "em28xx-reg.h"
  39
  40 /* Boards supported by driver */
  41 #define EM2800_BOARD_UNKNOWN                    0
  42 #define EM2820_BOARD_UNKNOWN                    1
  43 #define EM2820_BOARD_TERRATEC_CINERGY_250       2
  44 #define EM2820_BOARD_PINNACLE_USB_2             3
  45 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2      4
  46 #define EM2820_BOARD_MSI_VOX_USB_2              5
  47 #define EM2800_BOARD_TERRATEC_CINERGY_200       6
  48 #define EM2800_BOARD_LEADTEK_WINFAST_USBII      7
  49 #define EM2800_BOARD_KWORLD_USB2800             8
  50 #define EM2820_BOARD_PINNACLE_DVC_90            9
  51 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900    10
  52 #define EM2880_BOARD_TERRATEC_HYBRID_XS         11
  53 #define EM2820_BOARD_KWORLD_PVRTV2800RF         12
  54 #define EM2880_BOARD_TERRATEC_PRODIGY_XS        13
  55 #define EM2820_BOARD_PROLINK_PLAYTV_USB2        14
  56 #define EM2800_BOARD_VGEAR_POCKETTV             15
  57 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950    16
  58 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO       17
  59 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
  60 #define EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA  19
  61 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600   20
  62 #define EM2800_BOARD_GRABBEEX_USB2800           21
  63 #define EM2750_BOARD_UNKNOWN                      22
  64 #define EM2750_BOARD_DLCW_130                     23
  65 #define EM2820_BOARD_DLINK_USB_TV                 24
  66 #define EM2820_BOARD_GADMEI_UTV310                25
  67 #define EM2820_BOARD_HERCULES_SMART_TV_USB2       26
  68 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME      27
  69 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
  70 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB          30
  71 #define EM2821_BOARD_USBGEAR_VD204                31
  72 #define EM2821_BOARD_SUPERCOMP_USB_2              32
  73 #define EM2821_BOARD_PROLINK_PLAYTV_USB2          33
  74 #define EM2860_BOARD_TERRATEC_HYBRID_XS           34
  75 #define EM2860_BOARD_TYPHOON_DVD_MAKER            35
  76 #define EM2860_BOARD_NETGMBH_CAM                  36
  77 #define EM2860_BOARD_GADMEI_UTV330                37
  78 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER           38
  79 #define EM2861_BOARD_KWORLD_PVRTV_300U            39
  80 #define EM2861_BOARD_PLEXTOR_PX_TV100U            40
  81 #define EM2870_BOARD_KWORLD_350U                  41
  82 #define EM2870_BOARD_KWORLD_355U                  42
  83 #define EM2870_BOARD_TERRATEC_XS                  43
  84 #define EM2870_BOARD_TERRATEC_XS_MT2060           44
  85 #define EM2870_BOARD_PINNACLE_PCTV_DVB            45
  86 #define EM2870_BOARD_COMPRO_VIDEOMATE             46
  87 #define EM2880_BOARD_KWORLD_DVB_305U              47
  88 #define EM2880_BOARD_KWORLD_DVB_310U              48
  89 #define EM2880_BOARD_MSI_DIGIVOX_AD               49
  90 #define EM2880_BOARD_MSI_DIGIVOX_AD_II            50
  91 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR        51
  92 #define EM2881_BOARD_DNT_DA2_HYBRID               52
  93 #define EM2881_BOARD_PINNACLE_HYBRID_PRO          53
  94 #define EM2882_BOARD_KWORLD_VS_DVBT               54
  95 #define EM2882_BOARD_TERRATEC_HYBRID_XS           55
  96 #define EM2882_BOARD_PINNACLE_HYBRID_PRO          56
  97 #define EM2883_BOARD_KWORLD_HYBRID_330U                  57
  98 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU      58
  99 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850      60
 100 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2     61
 101
 102 /* Limits minimum and default number of buffers */
 103 #define EM28XX_MIN_BUF 4
 104 #define EM28XX_DEF_BUF 8
 105
 106 /*Limits the max URB message size */
 107 #define URB_MAX_CTRL_SIZE 80
 108
 109 /* Params for validated field */
 110 #define EM28XX_BOARD_NOT_VALIDATED 1
 111 #define EM28XX_BOARD_VALIDATED     0
 112
 113 /* maximum number of em28xx boards */
 114 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
 115
 116 /* maximum number of frames that can be queued */
 117 #define EM28XX_NUM_FRAMES 5
 118 /* number of frames that get used for v4l2_read() */
 119 #define EM28XX_NUM_READ_FRAMES 2
 120
 121 /* number of buffers for isoc transfers */
 122 #define EM28XX_NUM_BUFS 5
 123
 124 /* number of packets for each buffer
 125    windows requests only 40 packets .. so we better do the same
 126    this is what I found out for all alternate numbers there!
 127  */
 128 #define EM28XX_NUM_PACKETS 40
 129
 130 /* default alternate; 0 means choose the best */
 131 #define EM28XX_PINOUT 0
 132
 133 #define EM28XX_INTERLACED_DEFAULT 1
 134
 135 /*
 136 #define (use usbview if you want to get the other alternate number infos)
 137 #define
 138 #define alternate number 2
 139 #define                         Endpoint Address: 82
 140                         Direction: in
 141                         Attribute: 1
 142                         Type: Isoc
 143                         Max Packet Size: 1448
 144                         Interval: 125us
 145
 146   alternate number 7
 147
 148                         Endpoint Address: 82
 149                         Direction: in
 150                         Attribute: 1
 151                         Type: Isoc
 152                         Max Packet Size: 3072
 153                         Interval: 125us
 154 */
 155
 156 /* time to wait when stopping the isoc transfer */
 157 #define EM28XX_URB_TIMEOUT       msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
 158
 159 /* time in msecs to wait for i2c writes to finish */
 160 #define EM2800_I2C_WRITE_TIMEOUT 20
 161
 162 enum em28xx_mode {
 163         EM28XX_SUSPEND,
 164         EM28XX_ANALOG_MODE,
 165         EM28XX_DIGITAL_MODE,
 166 };
 167
 168 enum em28xx_stream_state {
 169         STREAM_OFF,
 170         STREAM_INTERRUPT,
 171         STREAM_ON,
 172 };
 173
 174 struct em28xx;
 175
 176 struct em28xx_usb_isoc_ctl {
 177                 /* max packet size of isoc transaction */
 178         int                             max_pkt_size;
 179
 180                 /* number of allocated urbs */
 181         int                             num_bufs;
 182
 183                 /* urb for isoc transfers */
 184         struct urb                      **urb;
 185
 186                 /* transfer buffers for isoc transfer */
 187         char                            **transfer_buffer;
 188
 189                 /* Last buffer command and region */
 190         u8                              cmd;
 191         int                             pos, size, pktsize;
 192
 193                 /* Last field: ODD or EVEN? */
 194         int                             field;
 195
 196                 /* Stores incomplete commands */
 197         u32                             tmp_buf;
 198         int                             tmp_buf_len;
 199
 200                 /* Stores already requested buffers */
 201         struct em28xx_buffer            *buf;
 202
 203                 /* Stores the number of received fields */
 204         int                             nfields;
 205
 206                 /* isoc urb callback */
 207         int (*isoc_copy) (struct em28xx *dev, struct urb *urb);
 208
 209 };
 210
 211 /* Struct to enumberate video formats */
 212 struct em28xx_fmt {
 213         char  *name;
 214         u32   fourcc;          /* v4l2 format id */
 215         int   depth;
 216         int   reg;
 217 };
 218
 219 /* buffer for one video frame */
 220 struct em28xx_buffer {
 221         /* common v4l buffer stuff -- must be first */
 222         struct videobuf_buffer vb;
 223
 224         struct list_head frame;
 225         int top_field;
 226         int receiving;
 227 };
 228
 229 struct em28xx_dmaqueue {
 230         struct list_head       active;
 231         struct list_head       queued;
 232
 233         wait_queue_head_t          wq;
 234
 235         /* Counters to control buffer fill */
 236         int                        pos;
 237 };
 238
 239 /* io methods */
 240 enum em28xx_io_method {
 241         IO_NONE,
 242         IO_READ,
 243         IO_MMAP,
 244 };
 245
 246 /* inputs */
 247
 248 #define MAX_EM28XX_INPUT 4
 249 enum enum28xx_itype {
 250         EM28XX_VMUX_COMPOSITE1 = 1,
 251         EM28XX_VMUX_COMPOSITE2,
 252         EM28XX_VMUX_COMPOSITE3,
 253         EM28XX_VMUX_COMPOSITE4,
 254         EM28XX_VMUX_SVIDEO,
 255         EM28XX_VMUX_TELEVISION,
 256         EM28XX_VMUX_CABLE,
 257         EM28XX_VMUX_DVB,
 258         EM28XX_VMUX_DEBUG,
 259         EM28XX_RADIO,
 260 };
 261
 262 enum em28xx_ac97_mode {
 263         EM28XX_NO_AC97 = 0,
 264         EM28XX_AC97_EM202,
 265         EM28XX_AC97_SIGMATEL,
 266         EM28XX_AC97_OTHER,
 267 };
 268
 269 struct em28xx_audio_mode {
 270         enum em28xx_ac97_mode ac97;
 271
 272         u16 ac97_feat;
 273         u32 ac97_vendor_id;
 274
 275         unsigned int has_audio:1;
 276
 277         unsigned int i2s_3rates:1;
 278         unsigned int i2s_5rates:1;
 279 };
 280
 281 /* em28xx has two audio inputs: tuner and line in.
 282    However, on most devices, an auxiliary AC97 codec device is used.
 283    The AC97 device may have several different inputs and outputs,
 284    depending on their model. So, it is possible to use AC97 mixer to
 285    address more than two different entries.
 286  */
 287 enum em28xx_amux {
 288         /* This is the only entry for em28xx tuner input */
 289         EM28XX_AMUX_VIDEO,      /* em28xx tuner, AC97 mixer Video */
 290
 291         EM28XX_AMUX_LINE_IN,    /* AC97 mixer Line In */
 292
 293         /* Some less-common mixer setups */
 294         EM28XX_AMUX_VIDEO2,     /* em28xx Line in, AC97 mixer Video */
 295         EM28XX_AMUX_PHONE,
 296         EM28XX_AMUX_MIC,
 297         EM28XX_AMUX_CD,
 298         EM28XX_AMUX_AUX,
 299         EM28XX_AMUX_PCM_OUT,
 300 };
 301
 302 enum em28xx_aout {
 303         /* AC97 outputs */
 304         EM28XX_AOUT_MASTER = 1 << 0,
 305         EM28XX_AOUT_LINE   = 1 << 1,
 306         EM28XX_AOUT_MONO   = 1 << 2,
 307         EM28XX_AOUT_LFE    = 1 << 3,
 308         EM28XX_AOUT_SURR   = 1 << 4,
 309
 310         /* PCM IN Mixer - used by AC97_RECORD_SELECT register */
 311         EM28XX_AOUT_PCM_IN = 1 << 7,
 312
 313         /* Bits 10-8 are used to indicate the PCM IN record select */
 314         EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
 315         EM28XX_AOUT_PCM_CD      = 1 << 8,
 316         EM28XX_AOUT_PCM_VIDEO   = 2 << 8,
 317         EM28XX_AOUT_PCM_AUX     = 3 << 8,
 318         EM28XX_AOUT_PCM_LINE    = 4 << 8,
 319         EM28XX_AOUT_PCM_STEREO  = 5 << 8,
 320         EM28XX_AOUT_PCM_MONO    = 6 << 8,
 321         EM28XX_AOUT_PCM_PHONE   = 7 << 8,
 322 };
 323
 324 static inline int ac97_return_record_select(int a_out)
 325 {
 326         return (a_out & 0x700) >> 8;
 327 }
 328
 329 struct em28xx_reg_seq {
 330         int reg;
 331         unsigned char val, mask;
 332         int sleep;
 333 };
 334
 335 struct em28xx_input {
 336         enum enum28xx_itype type;
 337         unsigned int vmux;
 338         enum em28xx_amux amux;
 339         enum em28xx_aout aout;
 340         struct em28xx_reg_seq *gpio;
 341 };
 342
 343 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
 344
 345 enum em28xx_decoder {
 346         EM28XX_NODECODER,
 347         EM28XX_TVP5150,
 348         EM28XX_SAA711X,
 349 };
 350
 351 struct em28xx_board {
 352         char *name;
 353         int vchannels;
 354         int tuner_type;
 355         int tuner_addr;
 356
 357         /* i2c flags */
 358         unsigned int tda9887_conf;
 359
 360         /* GPIO sequences */
 361         struct em28xx_reg_seq *dvb_gpio;
 362         struct em28xx_reg_seq *suspend_gpio;
 363         struct em28xx_reg_seq *tuner_gpio;
 364
 365         unsigned int is_em2800:1;
 366         unsigned int has_msp34xx:1;
 367         unsigned int mts_firmware:1;
 368         unsigned int max_range_640_480:1;
 369         unsigned int has_dvb:1;
 370         unsigned int has_snapshot_button:1;
 371         unsigned int valid:1;
 372
 373         unsigned char xclk, i2c_speed;
 374
 375         enum em28xx_decoder decoder;
 376
 377         struct em28xx_input       input[MAX_EM28XX_INPUT];
 378         struct em28xx_input       radio;
 379         IR_KEYTAB_TYPE            *ir_codes;
 380 };
 381
 382 struct em28xx_eeprom {
 383         u32 id;                 /* 0x9567eb1a */
 384         u16 vendor_ID;
 385         u16 product_ID;
 386
 387         u16 chip_conf;
 388
 389         u16 board_conf;
 390
 391         u16 string1, string2, string3;
 392
 393         u8 string_idx_table;
 394 };
 395
 396 /* device states */
 397 enum em28xx_dev_state {
 398         DEV_INITIALIZED = 0x01,
 399         DEV_DISCONNECTED = 0x02,
 400         DEV_MISCONFIGURED = 0x04,
 401 };
 402
 403 #define EM28XX_AUDIO_BUFS 5
 404 #define EM28XX_NUM_AUDIO_PACKETS 64
 405 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
 406 #define EM28XX_CAPTURE_STREAM_EN 1
 407
 408 /* em28xx extensions */
 409 #define EM28XX_AUDIO   0x10
 410 #define EM28XX_DVB     0x20
 411
 412 struct em28xx_audio {
 413         char name[50];
 414         char *transfer_buffer[EM28XX_AUDIO_BUFS];
 415         struct urb *urb[EM28XX_AUDIO_BUFS];
 416         struct usb_device *udev;
 417         unsigned int capture_transfer_done;
 418         struct snd_pcm_substream   *capture_pcm_substream;
 419
 420         unsigned int hwptr_done_capture;
 421         struct snd_card            *sndcard;
 422
 423         int users, shutdown;
 424         enum em28xx_stream_state capture_stream;
 425         spinlock_t slock;
 426 };
 427
 428 struct em28xx;
 429
 430 struct em28xx_fh {
 431         struct em28xx *dev;
 432         unsigned int  stream_on:1;      /* Locks streams */
 433         int           radio;
 434
 435         struct videobuf_queue        vb_vidq;
 436
 437         enum v4l2_buf_type           type;
 438 };
 439
 440 /* main device struct */
 441 struct em28xx {
 442         /* generic device properties */
 443         char name[30];          /* name (including minor) of the device */
 444         int model;              /* index in the device_data struct */
 445         int devno;              /* marks the number of this device */
 446         enum em28xx_chip_id chip_id;
 447
 448         struct em28xx_board board;
 449
 450         unsigned int stream_on:1;       /* Locks streams */
 451         unsigned int has_audio_class:1;
 452         unsigned int has_alsa_audio:1;
 453
 454         struct em28xx_fmt *format;
 455
 456         struct em28xx_IR *ir;
 457
 458         /* Some older em28xx chips needs a waiting time after writing */
 459         unsigned int wait_after_write;
 460
 461         struct list_head        devlist;
 462
 463         u32 i2s_speed;          /* I2S speed for audio digital stream */
 464
 465         struct em28xx_audio_mode audio_mode;
 466
 467         int tuner_type;         /* type of the tuner */
 468         int tuner_addr;         /* tuner address */
 469         int tda9887_conf;
 470         /* i2c i/o */
 471         struct i2c_adapter i2c_adap;
 472         struct i2c_client i2c_client;
 473         /* video for linux */
 474         int users;              /* user count for exclusive use */
 475         struct video_device *vdev;      /* video for linux device struct */
 476         v4l2_std_id norm;       /* selected tv norm */
 477         int ctl_freq;           /* selected frequency */
 478         unsigned int ctl_input; /* selected input */
 479         unsigned int ctl_ainput;/* selected audio input */
 480         unsigned int ctl_aoutput;/* selected audio output */
 481         int mute;
 482         int volume;
 483         /* frame properties */
 484         int width;              /* current frame width */
 485         int height;             /* current frame height */
 486         unsigned hscale;        /* horizontal scale factor (see datasheet) */
 487         unsigned vscale;        /* vertical scale factor (see datasheet) */
 488         int interlaced;         /* 1=interlace fileds, 0=just top fileds */
 489         unsigned int video_bytesread;   /* Number of bytes read */
 490
 491         unsigned long hash;     /* eeprom hash - for boards with generic ID */
 492         unsigned long i2c_hash; /* i2c devicelist hash -
 493                                    for boards with generic ID */
 494
 495         struct em28xx_audio adev;
 496
 497         /* states */
 498         enum em28xx_dev_state state;
 499         enum em28xx_io_method io;
 500
 501         struct work_struct         request_module_wk;
 502
 503         /* locks */
 504         struct mutex lock;
 505         struct mutex ctrl_urb_lock;     /* protects urb_buf */
 506         /* spinlock_t queue_lock; */
 507         struct list_head inqueue, outqueue;
 508         wait_queue_head_t open, wait_frame, wait_stream;
 509         struct video_device *vbi_dev;
 510         struct video_device *radio_dev;
 511
 512         unsigned char eedata[256];
 513
 514         /* Isoc control struct */
 515         struct em28xx_dmaqueue vidq;
 516         struct em28xx_usb_isoc_ctl isoc_ctl;
 517         spinlock_t slock;
 518
 519         /* usb transfer */
 520         struct usb_device *udev;        /* the usb device */
 521         int alt;                /* alternate */
 522         int max_pkt_size;       /* max packet size of isoc transaction */
 523         int num_alt;            /* Number of alternative settings */
 524         unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
 525         struct urb *urb[EM28XX_NUM_BUFS];       /* urb for isoc transfers */
 526         char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */
 527         char urb_buf[URB_MAX_CTRL_SIZE];        /* urb control msg buffer */
 528
 529         /* helper funcs that call usb_control_msg */
 530         int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
 531                                         char *buf, int len);
 532         int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
 533         int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
 534                                         char *buf, int len);
 535         int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
 536                                       char *buf, int len);
 537         int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
 538
 539         enum em28xx_mode mode;
 540
 541         /* register numbers for GPO/GPIO registers */
 542         u16 reg_gpo_num, reg_gpio_num;
 543
 544         /* Caches GPO and GPIO registers */
 545         unsigned char   reg_gpo, reg_gpio;
 546
 547         /* Snapshot button */
 548         char snapshot_button_path[30];  /* path of the input dev */
 549         struct input_dev *sbutton_input_dev;
 550         struct delayed_work sbutton_query_work;
 551
 552         struct em28xx_dvb *dvb;
 553 };
 554
 555 struct em28xx_ops {
 556         struct list_head next;
 557         char *name;
 558         int id;
 559         int (*init)(struct em28xx *);
 560         int (*fini)(struct em28xx *);
 561 };
 562
 563 /* Provided by em28xx-i2c.c */
 564
 565 void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg);
 566 void em28xx_do_i2c_scan(struct em28xx *dev);
 567 int em28xx_i2c_register(struct em28xx *dev);
 568 int em28xx_i2c_unregister(struct em28xx *dev);
 569
 570 /* Provided by em28xx-core.c */
 571
 572 u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
 573 void em28xx_queue_unusedframes(struct em28xx *dev);
 574 void em28xx_release_buffers(struct em28xx *dev);
 575
 576 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 577                             char *buf, int len);
 578 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
 579 int em28xx_read_reg(struct em28xx *dev, u16 reg);
 580 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 581                           int len);
 582 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
 583 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
 584
 585 int em28xx_read_ac97(struct em28xx *dev, u8 reg);
 586 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
 587
 588 int em28xx_audio_analog_set(struct em28xx *dev);
 589 int em28xx_audio_setup(struct em28xx *dev);
 590
 591 int em28xx_colorlevels_set_default(struct em28xx *dev);
 592 int em28xx_capture_start(struct em28xx *dev, int start);
 593 int em28xx_set_outfmt(struct em28xx *dev);
 594 int em28xx_resolution_set(struct em28xx *dev);
 595 int em28xx_set_alternate(struct em28xx *dev);
 596 int em28xx_init_isoc(struct em28xx *dev, int max_packets,
 597                      int num_bufs, int max_pkt_size,
 598                      int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
 599 void em28xx_uninit_isoc(struct em28xx *dev);
 600 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
 601 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
 602 void em28xx_wake_i2c(struct em28xx *dev);
 603 void em28xx_remove_from_devlist(struct em28xx *dev);
 604 void em28xx_add_into_devlist(struct em28xx *dev);
 605 struct em28xx *em28xx_get_device(int minor,
 606                                  enum v4l2_buf_type *fh_type,
 607                                  int *has_radio);
 608 int em28xx_register_extension(struct em28xx_ops *dev);
 609 void em28xx_unregister_extension(struct em28xx_ops *dev);
 610 void em28xx_init_extension(struct em28xx *dev);
 611 void em28xx_close_extension(struct em28xx *dev);
 612
 613 /* Provided by em28xx-video.c */
 614 int em28xx_register_analog_devices(struct em28xx *dev);
 615 void em28xx_release_analog_resources(struct em28xx *dev);
 616
 617 /* Provided by em28xx-cards.c */
 618 extern int em2800_variant_detect(struct usb_device *udev, int model);
 619 extern void em28xx_pre_card_setup(struct em28xx *dev);
 620 extern void em28xx_card_setup(struct em28xx *dev);
 621 extern struct em28xx_board em28xx_boards[];
 622 extern struct usb_device_id em28xx_id_table[];
 623 extern const unsigned int em28xx_bcount;
 624 void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir);
 625 int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
 626 void em28xx_release_resources(struct em28xx *dev);
 627
 628 /* Provided by em28xx-input.c */
 629 int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
 630 int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
 631 int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
 632                                      u32 *ir_raw);
 633 void em28xx_register_snapshot_button(struct em28xx *dev);
 634 void em28xx_deregister_snapshot_button(struct em28xx *dev);
 635
 636 int em28xx_ir_init(struct em28xx *dev);
 637 int em28xx_ir_fini(struct em28xx *dev);
 638
 639 /* printk macros */
 640
 641 #define em28xx_err(fmt, arg...) do {\
 642         printk(KERN_ERR fmt , ##arg); } while (0)
 643
 644 #define em28xx_errdev(fmt, arg...) do {\
 645         printk(KERN_ERR "%s: "fmt,\
 646                         dev->name , ##arg); } while (0)
 647
 648 #define em28xx_info(fmt, arg...) do {\
 649         printk(KERN_INFO "%s: "fmt,\
 650                         dev->name , ##arg); } while (0)
 651 #define em28xx_warn(fmt, arg...) do {\
 652         printk(KERN_WARNING "%s: "fmt,\
 653                         dev->name , ##arg); } while (0)
 654
 655 static inline int em28xx_compression_disable(struct em28xx *dev)
 656 {
 657         /* side effect of disabling scaler and mixer */
 658         return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
 659 }
 660
 661 static inline int em28xx_contrast_get(struct em28xx *dev)
 662 {
 663         return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
 664 }
 665
 666 static inline int em28xx_brightness_get(struct em28xx *dev)
 667 {
 668         return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
 669 }
 670
 671 static inline int em28xx_saturation_get(struct em28xx *dev)
 672 {
 673         return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
 674 }
 675
 676 static inline int em28xx_u_balance_get(struct em28xx *dev)
 677 {
 678         return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
 679 }
 680
 681 static inline int em28xx_v_balance_get(struct em28xx *dev)
 682 {
 683         return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
 684 }
 685
 686 static inline int em28xx_gamma_get(struct em28xx *dev)
 687 {
 688         return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
 689 }
 690
 691 static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
 692 {
 693         u8 tmp = (u8) val;
 694         return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
 695 }
 696
 697 static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
 698 {
 699         u8 tmp = (u8) val;
 700         return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
 701 }
 702
 703 static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
 704 {
 705         u8 tmp = (u8) val;
 706         return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
 707 }
 708
 709 static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
 710 {
 711         u8 tmp = (u8) val;
 712         return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
 713 }
 714
 715 static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
 716 {
 717         u8 tmp = (u8) val;
 718         return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
 719 }
 720
 721 static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
 722 {
 723         u8 tmp = (u8) val;
 724         return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
 725 }
 726
 727 /*FIXME: maxw should be dependent of alt mode */
 728 static inline unsigned int norm_maxw(struct em28xx *dev)
 729 {
 730         if (dev->board.max_range_640_480)
 731                 return 640;
 732         else
 733                 return 720;
 734 }
 735
 736 static inline unsigned int norm_maxh(struct em28xx *dev)
 737 {
 738         if (dev->board.max_range_640_480)
 739                 return 480;
 740         else
 741                 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
 742 }
 743 #endif