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