drivers/media/dvb/dvb-usb/dibusb-common.c

   1 /* Common methods for dibusb-based-receivers.
   2  *
   3  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
   4  *
   5  *      This program is free software; you can redistribute it and/or modify it
   6  *      under the terms of the GNU General Public License as published by the Free
   7  *      Software Foundation, version 2.
   8  *
   9  * see Documentation/dvb/README.dvb-usb for more information
  10  */
  11 #include "dibusb.h"
  12
  13 static int debug;
  14 module_param(debug, int, 0644);
  15 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
  16 MODULE_LICENSE("GPL");
  17
  18 #define deb_info(args...) dprintk(debug,0x01,args)
  19
  20 /* common stuff used by the different dibusb modules */
  21 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
  22 {
  23         if (adap->priv != NULL) {
  24                 struct dibusb_state *st = adap->priv;
  25                 if (st->ops.fifo_ctrl != NULL)
  26                         if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
  27                                 err("error while controlling the fifo of the demod.");
  28                                 return -ENODEV;
  29                         }
  30         }
  31         return 0;
  32 }
  33 EXPORT_SYMBOL(dibusb_streaming_ctrl);
  34
  35 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
  36 {
  37         if (adap->priv != NULL) {
  38                 struct dibusb_state *st = adap->priv;
  39                 if (st->ops.pid_ctrl != NULL)
  40                         st->ops.pid_ctrl(adap->fe_adap[0].fe,
  41                                          index, pid, onoff);
  42         }
  43         return 0;
  44 }
  45 EXPORT_SYMBOL(dibusb_pid_filter);
  46
  47 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
  48 {
  49         if (adap->priv != NULL) {
  50                 struct dibusb_state *st = adap->priv;
  51                 if (st->ops.pid_parse != NULL)
  52                         if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
  53                                 err("could not handle pid_parser");
  54         }
  55         return 0;
  56 }
  57 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
  58
  59 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
  60 {
  61         u8 b[3];
  62         int ret;
  63         b[0] = DIBUSB_REQ_SET_IOCTL;
  64         b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
  65         b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
  66         ret = dvb_usb_generic_write(d,b,3);
  67         msleep(10);
  68         return ret;
  69 }
  70 EXPORT_SYMBOL(dibusb_power_ctrl);
  71
  72 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
  73 {
  74         u8 b[3] = { 0 };
  75         int ret;
  76
  77         if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
  78                 return ret;
  79
  80         if (onoff) {
  81                 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
  82                 b[1] = 0x00;
  83                 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
  84                         return ret;
  85         }
  86
  87         b[0] = DIBUSB_REQ_SET_IOCTL;
  88         b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
  89         return dvb_usb_generic_write(adap->dev,b,3);
  90 }
  91 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
  92
  93 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
  94 {
  95         if (onoff) {
  96                 u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
  97                 return dvb_usb_generic_write(d,b,3);
  98         } else
  99                 return 0;
 100 }
 101 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
 102
 103 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
 104                           u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
 105 {
 106         u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
 107         /* write only ? */
 108         int wo = (rbuf == NULL || rlen == 0),
 109                 len = 2 + wlen + (wo ? 0 : 2);
 110
 111         sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
 112         sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
 113
 114         memcpy(&sndbuf[2],wbuf,wlen);
 115
 116         if (!wo) {
 117                 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
 118                 sndbuf[wlen+3] = rlen & 0xff;
 119         }
 120
 121         return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
 122 }
 123
 124 /*
 125  * I2C master xfer function
 126  */
 127 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 128 {
 129         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 130         int i;
 131
 132         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 133                 return -EAGAIN;
 134
 135         for (i = 0; i < num; i++) {
 136                 /* write/read request */
 137                 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
 138                                           && (msg[i+1].flags & I2C_M_RD)) {
 139                         if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
 140                                                 msg[i+1].buf,msg[i+1].len) < 0)
 141                                 break;
 142                         i++;
 143                 } else if ((msg[i].flags & I2C_M_RD) == 0) {
 144                         if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
 145                                 break;
 146                 } else if (msg[i].addr != 0x50) {
 147                         /* 0x50 is the address of the eeprom - we need to protect it
 148                          * from dibusb's bad i2c implementation: reads without
 149                          * writing the offset before are forbidden */
 150                         if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
 151                                 break;
 152                 }
 153         }
 154
 155         mutex_unlock(&d->i2c_mutex);
 156         return i;
 157 }
 158
 159 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
 160 {
 161         return I2C_FUNC_I2C;
 162 }
 163
 164 struct i2c_algorithm dibusb_i2c_algo = {
 165         .master_xfer   = dibusb_i2c_xfer,
 166         .functionality = dibusb_i2c_func,
 167 };
 168 EXPORT_SYMBOL(dibusb_i2c_algo);
 169
 170 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
 171 {
 172         u8 wbuf[1] = { offs };
 173         return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
 174 }
 175 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
 176
 177 /* 3000MC/P stuff */
 178 // Config Adjacent channels  Perf -cal22
 179 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
 180         .band_caps = BAND_VHF | BAND_UHF,
 181         .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 182
 183         .agc1_max = 48497,
 184         .agc1_min = 23593,
 185         .agc2_max = 46531,
 186         .agc2_min = 24904,
 187
 188         .agc1_pt1 = 0x65,
 189         .agc1_pt2 = 0x69,
 190
 191         .agc1_slope1 = 0x51,
 192         .agc1_slope2 = 0x27,
 193
 194         .agc2_pt1 = 0,
 195         .agc2_pt2 = 0x33,
 196
 197         .agc2_slope1 = 0x35,
 198         .agc2_slope2 = 0x37,
 199 };
 200
 201 static struct dib3000mc_config stk3000p_dib3000p_config = {
 202         &dib3000p_mt2060_agc_config,
 203
 204         .max_time     = 0x196,
 205         .ln_adc_level = 0x1cc7,
 206
 207         .output_mpeg2_in_188_bytes = 1,
 208
 209         .agc_command1 = 1,
 210         .agc_command2 = 1,
 211 };
 212
 213 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
 214         .band_caps = BAND_VHF | BAND_UHF,
 215         .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 216
 217         .agc1_max = 56361,
 218         .agc1_min = 22282,
 219         .agc2_max = 47841,
 220         .agc2_min = 36045,
 221
 222         .agc1_pt1 = 0x3b,
 223         .agc1_pt2 = 0x6b,
 224
 225         .agc1_slope1 = 0x55,
 226         .agc1_slope2 = 0x1d,
 227
 228         .agc2_pt1 = 0,
 229         .agc2_pt2 = 0x0a,
 230
 231         .agc2_slope1 = 0x95,
 232         .agc2_slope2 = 0x1e,
 233 };
 234
 235 #if defined(CONFIG_DVB_DIB3000MC) ||                                    \
 236         (defined(CONFIG_DVB_DIB3000MC_MODULE) && defined(MODULE))
 237
 238 static struct dib3000mc_config mod3000p_dib3000p_config = {
 239         &dib3000p_panasonic_agc_config,
 240
 241         .max_time     = 0x51,
 242         .ln_adc_level = 0x1cc7,
 243
 244         .output_mpeg2_in_188_bytes = 1,
 245
 246         .agc_command1 = 1,
 247         .agc_command2 = 1,
 248 };
 249
 250 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
 251 {
 252         if (adap->dev->udev->descriptor.idVendor  == USB_VID_LITEON &&
 253                         adap->dev->udev->descriptor.idProduct ==
 254                         USB_PID_LITEON_DVB_T_WARM) {
 255                 msleep(1000);
 256         }
 257
 258         adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 259                                          &adap->dev->i2c_adap,
 260                                          DEFAULT_DIB3000P_I2C_ADDRESS,
 261                                          &mod3000p_dib3000p_config);
 262         if ((adap->fe_adap[0].fe) == NULL)
 263                 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 264                                                  &adap->dev->i2c_adap,
 265                                                  DEFAULT_DIB3000MC_I2C_ADDRESS,
 266                                                  &mod3000p_dib3000p_config);
 267         if ((adap->fe_adap[0].fe) != NULL) {
 268                 if (adap->priv != NULL) {
 269                         struct dibusb_state *st = adap->priv;
 270                         st->ops.pid_parse = dib3000mc_pid_parse;
 271                         st->ops.pid_ctrl  = dib3000mc_pid_control;
 272                 }
 273                 return 0;
 274         }
 275         return -ENODEV;
 276 }
 277 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
 278
 279 static struct mt2060_config stk3000p_mt2060_config = {
 280         0x60
 281 };
 282
 283 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
 284 {
 285         struct dibusb_state *st = adap->priv;
 286         u8 a,b;
 287         u16 if1 = 1220;
 288         struct i2c_adapter *tun_i2c;
 289
 290         // First IF calibration for Liteon Sticks
 291         if (adap->dev->udev->descriptor.idVendor  == USB_VID_LITEON &&
 292                 adap->dev->udev->descriptor.idProduct == USB_PID_LITEON_DVB_T_WARM) {
 293
 294                 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
 295                 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
 296
 297                 if (a == 0x00)
 298                         if1 += b;
 299                 else if (a == 0x80)
 300                         if1 -= b;
 301                 else
 302                         warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
 303
 304         } else if (adap->dev->udev->descriptor.idVendor  == USB_VID_DIBCOM &&
 305                    adap->dev->udev->descriptor.idProduct == USB_PID_DIBCOM_MOD3001_WARM) {
 306                 u8 desc;
 307                 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
 308                 if (desc == 2) {
 309                         a = 127;
 310                         do {
 311                                 dibusb_read_eeprom_byte(adap->dev, a, &desc);
 312                                 a--;
 313                         } while (a > 7 && (desc == 0xff || desc == 0x00));
 314                         if (desc & 0x80)
 315                                 if1 -= (0xff - desc);
 316                         else
 317                                 if1 += desc;
 318                 }
 319         }
 320
 321         tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
 322         if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
 323                 /* not found - use panasonic pll parameters */
 324                 if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
 325                         return -ENOMEM;
 326         } else {
 327                 st->mt2060_present = 1;
 328                 /* set the correct parameters for the dib3000p */
 329                 dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
 330         }
 331         return 0;
 332 }
 333 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
 334 #endif
 335
 336 /*
 337  * common remote control stuff
 338  */
 339 struct rc_map_table rc_map_dibusb_table[] = {
 340         /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
 341         { 0x0016, KEY_POWER },
 342         { 0x0010, KEY_MUTE },
 343         { 0x0003, KEY_1 },
 344         { 0x0001, KEY_2 },
 345         { 0x0006, KEY_3 },
 346         { 0x0009, KEY_4 },
 347         { 0x001d, KEY_5 },
 348         { 0x001f, KEY_6 },
 349         { 0x000d, KEY_7 },
 350         { 0x0019, KEY_8 },
 351         { 0x001b, KEY_9 },
 352         { 0x0015, KEY_0 },
 353         { 0x0005, KEY_CHANNELUP },
 354         { 0x0002, KEY_CHANNELDOWN },
 355         { 0x001e, KEY_VOLUMEUP },
 356         { 0x000a, KEY_VOLUMEDOWN },
 357         { 0x0011, KEY_RECORD },
 358         { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 359         { 0x0014, KEY_PLAY },
 360         { 0x001a, KEY_STOP },
 361         { 0x0040, KEY_REWIND },
 362         { 0x0012, KEY_FASTFORWARD },
 363         { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 364         { 0x004c, KEY_PAUSE },
 365         { 0x004d, KEY_SCREEN }, /* Full screen mode. */
 366         { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 367         /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
 368         { 0x000c, KEY_CANCEL }, /* Cancel */
 369         { 0x001c, KEY_EPG }, /* EPG */
 370         { 0x0000, KEY_TAB }, /* Tab */
 371         { 0x0048, KEY_INFO }, /* Preview */
 372         { 0x0004, KEY_LIST }, /* RecordList */
 373         { 0x000f, KEY_TEXT }, /* Teletext */
 374         /* Key codes for the KWorld/ADSTech/JetWay remote. */
 375         { 0x8612, KEY_POWER },
 376         { 0x860f, KEY_SELECT }, /* source */
 377         { 0x860c, KEY_UNKNOWN }, /* scan */
 378         { 0x860b, KEY_EPG },
 379         { 0x8610, KEY_MUTE },
 380         { 0x8601, KEY_1 },
 381         { 0x8602, KEY_2 },
 382         { 0x8603, KEY_3 },
 383         { 0x8604, KEY_4 },
 384         { 0x8605, KEY_5 },
 385         { 0x8606, KEY_6 },
 386         { 0x8607, KEY_7 },
 387         { 0x8608, KEY_8 },
 388         { 0x8609, KEY_9 },
 389         { 0x860a, KEY_0 },
 390         { 0x8618, KEY_ZOOM },
 391         { 0x861c, KEY_UNKNOWN }, /* preview */
 392         { 0x8613, KEY_UNKNOWN }, /* snap */
 393         { 0x8600, KEY_UNDO },
 394         { 0x861d, KEY_RECORD },
 395         { 0x860d, KEY_STOP },
 396         { 0x860e, KEY_PAUSE },
 397         { 0x8616, KEY_PLAY },
 398         { 0x8611, KEY_BACK },
 399         { 0x8619, KEY_FORWARD },
 400         { 0x8614, KEY_UNKNOWN }, /* pip */
 401         { 0x8615, KEY_ESC },
 402         { 0x861a, KEY_UP },
 403         { 0x861e, KEY_DOWN },
 404         { 0x861f, KEY_LEFT },
 405         { 0x861b, KEY_RIGHT },
 406
 407         /* Key codes for the DiBcom MOD3000 remote. */
 408         { 0x8000, KEY_MUTE },
 409         { 0x8001, KEY_TEXT },
 410         { 0x8002, KEY_HOME },
 411         { 0x8003, KEY_POWER },
 412
 413         { 0x8004, KEY_RED },
 414         { 0x8005, KEY_GREEN },
 415         { 0x8006, KEY_YELLOW },
 416         { 0x8007, KEY_BLUE },
 417
 418         { 0x8008, KEY_DVD },
 419         { 0x8009, KEY_AUDIO },
 420         { 0x800a, KEY_IMAGES },      /* Pictures */
 421         { 0x800b, KEY_VIDEO },
 422
 423         { 0x800c, KEY_BACK },
 424         { 0x800d, KEY_UP },
 425         { 0x800e, KEY_RADIO },
 426         { 0x800f, KEY_EPG },
 427
 428         { 0x8010, KEY_LEFT },
 429         { 0x8011, KEY_OK },
 430         { 0x8012, KEY_RIGHT },
 431         { 0x8013, KEY_UNKNOWN },    /* SAP */
 432
 433         { 0x8014, KEY_TV },
 434         { 0x8015, KEY_DOWN },
 435         { 0x8016, KEY_MENU },       /* DVD Menu */
 436         { 0x8017, KEY_LAST },
 437
 438         { 0x8018, KEY_RECORD },
 439         { 0x8019, KEY_STOP },
 440         { 0x801a, KEY_PAUSE },
 441         { 0x801b, KEY_PLAY },
 442
 443         { 0x801c, KEY_PREVIOUS },
 444         { 0x801d, KEY_REWIND },
 445         { 0x801e, KEY_FASTFORWARD },
 446         { 0x801f, KEY_NEXT},
 447
 448         { 0x8040, KEY_1 },
 449         { 0x8041, KEY_2 },
 450         { 0x8042, KEY_3 },
 451         { 0x8043, KEY_CHANNELUP },
 452
 453         { 0x8044, KEY_4 },
 454         { 0x8045, KEY_5 },
 455         { 0x8046, KEY_6 },
 456         { 0x8047, KEY_CHANNELDOWN },
 457
 458         { 0x8048, KEY_7 },
 459         { 0x8049, KEY_8 },
 460         { 0x804a, KEY_9 },
 461         { 0x804b, KEY_VOLUMEUP },
 462
 463         { 0x804c, KEY_CLEAR },
 464         { 0x804d, KEY_0 },
 465         { 0x804e, KEY_ENTER },
 466         { 0x804f, KEY_VOLUMEDOWN },
 467 };
 468 EXPORT_SYMBOL(rc_map_dibusb_table);
 469
 470 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 471 {
 472         u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
 473         dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 474         dvb_usb_nec_rc_key_to_event(d,key,event,state);
 475         if (key[0] != 0)
 476                 deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
 477         return 0;
 478 }
 479 EXPORT_SYMBOL(dibusb_rc_query);