drivers/media/usb/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
  12 #include <linux/kconfig.h>
  13 #include "dibusb.h"
  14
  15 /* Max transfer size done by I2C transfer functions */
  16 #define MAX_XFER_SIZE  64
  17
  18 static int debug;
  19 module_param(debug, int, 0644);
  20 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
  21 MODULE_LICENSE("GPL");
  22
  23 #define deb_info(args...) dprintk(debug,0x01,args)
  24
  25 /* common stuff used by the different dibusb modules */
  26 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
  27 {
  28         if (adap->priv != NULL) {
  29                 struct dibusb_state *st = adap->priv;
  30                 if (st->ops.fifo_ctrl != NULL)
  31                         if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
  32                                 err("error while controlling the fifo of the demod.");
  33                                 return -ENODEV;
  34                         }
  35         }
  36         return 0;
  37 }
  38 EXPORT_SYMBOL(dibusb_streaming_ctrl);
  39
  40 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
  41 {
  42         if (adap->priv != NULL) {
  43                 struct dibusb_state *st = adap->priv;
  44                 if (st->ops.pid_ctrl != NULL)
  45                         st->ops.pid_ctrl(adap->fe_adap[0].fe,
  46                                          index, pid, onoff);
  47         }
  48         return 0;
  49 }
  50 EXPORT_SYMBOL(dibusb_pid_filter);
  51
  52 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
  53 {
  54         if (adap->priv != NULL) {
  55                 struct dibusb_state *st = adap->priv;
  56                 if (st->ops.pid_parse != NULL)
  57                         if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
  58                                 err("could not handle pid_parser");
  59         }
  60         return 0;
  61 }
  62 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
  63
  64 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
  65 {
  66         u8 b[3];
  67         int ret;
  68         b[0] = DIBUSB_REQ_SET_IOCTL;
  69         b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
  70         b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
  71         ret = dvb_usb_generic_write(d,b,3);
  72         msleep(10);
  73         return ret;
  74 }
  75 EXPORT_SYMBOL(dibusb_power_ctrl);
  76
  77 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
  78 {
  79         u8 b[3] = { 0 };
  80         int ret;
  81
  82         if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
  83                 return ret;
  84
  85         if (onoff) {
  86                 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
  87                 b[1] = 0x00;
  88                 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
  89                         return ret;
  90         }
  91
  92         b[0] = DIBUSB_REQ_SET_IOCTL;
  93         b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
  94         return dvb_usb_generic_write(adap->dev,b,3);
  95 }
  96 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
  97
  98 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
  99 {
 100         if (onoff) {
 101                 u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
 102                 return dvb_usb_generic_write(d,b,3);
 103         } else
 104                 return 0;
 105 }
 106 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
 107
 108 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
 109                           u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
 110 {
 111         u8 sndbuf[MAX_XFER_SIZE]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
 112         /* write only ? */
 113         int wo = (rbuf == NULL || rlen == 0),
 114                 len = 2 + wlen + (wo ? 0 : 2);
 115
 116         if (4 + wlen > sizeof(sndbuf)) {
 117                 warn("i2c wr: len=%d is too big!\n", wlen);
 118                 return -EOPNOTSUPP;
 119         }
 120
 121         sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
 122         sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
 123
 124         memcpy(&sndbuf[2],wbuf,wlen);
 125
 126         if (!wo) {
 127                 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
 128                 sndbuf[wlen+3] = rlen & 0xff;
 129         }
 130
 131         return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
 132 }
 133
 134 /*
 135  * I2C master xfer function
 136  */
 137 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 138 {
 139         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 140         int i;
 141
 142         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 143                 return -EAGAIN;
 144
 145         for (i = 0; i < num; i++) {
 146                 /* write/read request */
 147                 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
 148                                           && (msg[i+1].flags & I2C_M_RD)) {
 149                         if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
 150                                                 msg[i+1].buf,msg[i+1].len) < 0)
 151                                 break;
 152                         i++;
 153                 } else if ((msg[i].flags & I2C_M_RD) == 0) {
 154                         if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
 155                                 break;
 156                 } else if (msg[i].addr != 0x50) {
 157                         /* 0x50 is the address of the eeprom - we need to protect it
 158                          * from dibusb's bad i2c implementation: reads without
 159                          * writing the offset before are forbidden */
 160                         if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
 161                                 break;
 162                 }
 163         }
 164
 165         mutex_unlock(&d->i2c_mutex);
 166         return i;
 167 }
 168
 169 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
 170 {
 171         return I2C_FUNC_I2C;
 172 }
 173
 174 struct i2c_algorithm dibusb_i2c_algo = {
 175         .master_xfer   = dibusb_i2c_xfer,
 176         .functionality = dibusb_i2c_func,
 177 };
 178 EXPORT_SYMBOL(dibusb_i2c_algo);
 179
 180 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
 181 {
 182         u8 wbuf[1] = { offs };
 183         return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
 184 }
 185 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
 186
 187 /* 3000MC/P stuff */
 188 // Config Adjacent channels  Perf -cal22
 189 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
 190         .band_caps = BAND_VHF | BAND_UHF,
 191         .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 192
 193         .agc1_max = 48497,
 194         .agc1_min = 23593,
 195         .agc2_max = 46531,
 196         .agc2_min = 24904,
 197
 198         .agc1_pt1 = 0x65,
 199         .agc1_pt2 = 0x69,
 200
 201         .agc1_slope1 = 0x51,
 202         .agc1_slope2 = 0x27,
 203
 204         .agc2_pt1 = 0,
 205         .agc2_pt2 = 0x33,
 206
 207         .agc2_slope1 = 0x35,
 208         .agc2_slope2 = 0x37,
 209 };
 210
 211 static struct dib3000mc_config stk3000p_dib3000p_config = {
 212         &dib3000p_mt2060_agc_config,
 213
 214         .max_time     = 0x196,
 215         .ln_adc_level = 0x1cc7,
 216
 217         .output_mpeg2_in_188_bytes = 1,
 218
 219         .agc_command1 = 1,
 220         .agc_command2 = 1,
 221 };
 222
 223 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
 224         .band_caps = BAND_VHF | BAND_UHF,
 225         .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
 226
 227         .agc1_max = 56361,
 228         .agc1_min = 22282,
 229         .agc2_max = 47841,
 230         .agc2_min = 36045,
 231
 232         .agc1_pt1 = 0x3b,
 233         .agc1_pt2 = 0x6b,
 234
 235         .agc1_slope1 = 0x55,
 236         .agc1_slope2 = 0x1d,
 237
 238         .agc2_pt1 = 0,
 239         .agc2_pt2 = 0x0a,
 240
 241         .agc2_slope1 = 0x95,
 242         .agc2_slope2 = 0x1e,
 243 };
 244
 245 #if IS_ENABLED(CONFIG_DVB_DIB3000MC)
 246
 247 static struct dib3000mc_config mod3000p_dib3000p_config = {
 248         &dib3000p_panasonic_agc_config,
 249
 250         .max_time     = 0x51,
 251         .ln_adc_level = 0x1cc7,
 252
 253         .output_mpeg2_in_188_bytes = 1,
 254
 255         .agc_command1 = 1,
 256         .agc_command2 = 1,
 257 };
 258
 259 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
 260 {
 261         if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
 262             le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
 263                         USB_PID_LITEON_DVB_T_WARM) {
 264                 msleep(1000);
 265         }
 266
 267         adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 268                                          &adap->dev->i2c_adap,
 269                                          DEFAULT_DIB3000P_I2C_ADDRESS,
 270                                          &mod3000p_dib3000p_config);
 271         if ((adap->fe_adap[0].fe) == NULL)
 272                 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 273                                                  &adap->dev->i2c_adap,
 274                                                  DEFAULT_DIB3000MC_I2C_ADDRESS,
 275                                                  &mod3000p_dib3000p_config);
 276         if ((adap->fe_adap[0].fe) != NULL) {
 277                 if (adap->priv != NULL) {
 278                         struct dibusb_state *st = adap->priv;
 279                         st->ops.pid_parse = dib3000mc_pid_parse;
 280                         st->ops.pid_ctrl  = dib3000mc_pid_control;
 281                 }
 282                 return 0;
 283         }
 284         return -ENODEV;
 285 }
 286 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
 287
 288 static struct mt2060_config stk3000p_mt2060_config = {
 289         0x60
 290 };
 291
 292 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
 293 {
 294         struct dibusb_state *st = adap->priv;
 295         u8 a,b;
 296         u16 if1 = 1220;
 297         struct i2c_adapter *tun_i2c;
 298
 299         // First IF calibration for Liteon Sticks
 300         if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
 301             le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
 302
 303                 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
 304                 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
 305
 306                 if (a == 0x00)
 307                         if1 += b;
 308                 else if (a == 0x80)
 309                         if1 -= b;
 310                 else
 311                         warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
 312
 313         } else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
 314                    le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
 315                 u8 desc;
 316                 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
 317                 if (desc == 2) {
 318                         a = 127;
 319                         do {
 320                                 dibusb_read_eeprom_byte(adap->dev, a, &desc);
 321                                 a--;
 322                         } while (a > 7 && (desc == 0xff || desc == 0x00));
 323                         if (desc & 0x80)
 324                                 if1 -= (0xff - desc);
 325                         else
 326                                 if1 += desc;
 327                 }
 328         }
 329
 330         tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
 331         if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
 332                 /* not found - use panasonic pll parameters */
 333                 if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
 334                         return -ENOMEM;
 335         } else {
 336                 st->mt2060_present = 1;
 337                 /* set the correct parameters for the dib3000p */
 338                 dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
 339         }
 340         return 0;
 341 }
 342 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
 343 #endif
 344
 345 /*
 346  * common remote control stuff
 347  */
 348 struct rc_map_table rc_map_dibusb_table[] = {
 349         /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
 350         { 0x0016, KEY_POWER },
 351         { 0x0010, KEY_MUTE },
 352         { 0x0003, KEY_1 },
 353         { 0x0001, KEY_2 },
 354         { 0x0006, KEY_3 },
 355         { 0x0009, KEY_4 },
 356         { 0x001d, KEY_5 },
 357         { 0x001f, KEY_6 },
 358         { 0x000d, KEY_7 },
 359         { 0x0019, KEY_8 },
 360         { 0x001b, KEY_9 },
 361         { 0x0015, KEY_0 },
 362         { 0x0005, KEY_CHANNELUP },
 363         { 0x0002, KEY_CHANNELDOWN },
 364         { 0x001e, KEY_VOLUMEUP },
 365         { 0x000a, KEY_VOLUMEDOWN },
 366         { 0x0011, KEY_RECORD },
 367         { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 368         { 0x0014, KEY_PLAY },
 369         { 0x001a, KEY_STOP },
 370         { 0x0040, KEY_REWIND },
 371         { 0x0012, KEY_FASTFORWARD },
 372         { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 373         { 0x004c, KEY_PAUSE },
 374         { 0x004d, KEY_SCREEN }, /* Full screen mode. */
 375         { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 376         /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
 377         { 0x000c, KEY_CANCEL }, /* Cancel */
 378         { 0x001c, KEY_EPG }, /* EPG */
 379         { 0x0000, KEY_TAB }, /* Tab */
 380         { 0x0048, KEY_INFO }, /* Preview */
 381         { 0x0004, KEY_LIST }, /* RecordList */
 382         { 0x000f, KEY_TEXT }, /* Teletext */
 383         /* Key codes for the KWorld/ADSTech/JetWay remote. */
 384         { 0x8612, KEY_POWER },
 385         { 0x860f, KEY_SELECT }, /* source */
 386         { 0x860c, KEY_UNKNOWN }, /* scan */
 387         { 0x860b, KEY_EPG },
 388         { 0x8610, KEY_MUTE },
 389         { 0x8601, KEY_1 },
 390         { 0x8602, KEY_2 },
 391         { 0x8603, KEY_3 },
 392         { 0x8604, KEY_4 },
 393         { 0x8605, KEY_5 },
 394         { 0x8606, KEY_6 },
 395         { 0x8607, KEY_7 },
 396         { 0x8608, KEY_8 },
 397         { 0x8609, KEY_9 },
 398         { 0x860a, KEY_0 },
 399         { 0x8618, KEY_ZOOM },
 400         { 0x861c, KEY_UNKNOWN }, /* preview */
 401         { 0x8613, KEY_UNKNOWN }, /* snap */
 402         { 0x8600, KEY_UNDO },
 403         { 0x861d, KEY_RECORD },
 404         { 0x860d, KEY_STOP },
 405         { 0x860e, KEY_PAUSE },
 406         { 0x8616, KEY_PLAY },
 407         { 0x8611, KEY_BACK },
 408         { 0x8619, KEY_FORWARD },
 409         { 0x8614, KEY_UNKNOWN }, /* pip */
 410         { 0x8615, KEY_ESC },
 411         { 0x861a, KEY_UP },
 412         { 0x861e, KEY_DOWN },
 413         { 0x861f, KEY_LEFT },
 414         { 0x861b, KEY_RIGHT },
 415
 416         /* Key codes for the DiBcom MOD3000 remote. */
 417         { 0x8000, KEY_MUTE },
 418         { 0x8001, KEY_TEXT },
 419         { 0x8002, KEY_HOME },
 420         { 0x8003, KEY_POWER },
 421
 422         { 0x8004, KEY_RED },
 423         { 0x8005, KEY_GREEN },
 424         { 0x8006, KEY_YELLOW },
 425         { 0x8007, KEY_BLUE },
 426
 427         { 0x8008, KEY_DVD },
 428         { 0x8009, KEY_AUDIO },
 429         { 0x800a, KEY_IMAGES },      /* Pictures */
 430         { 0x800b, KEY_VIDEO },
 431
 432         { 0x800c, KEY_BACK },
 433         { 0x800d, KEY_UP },
 434         { 0x800e, KEY_RADIO },
 435         { 0x800f, KEY_EPG },
 436
 437         { 0x8010, KEY_LEFT },
 438         { 0x8011, KEY_OK },
 439         { 0x8012, KEY_RIGHT },
 440         { 0x8013, KEY_UNKNOWN },    /* SAP */
 441
 442         { 0x8014, KEY_TV },
 443         { 0x8015, KEY_DOWN },
 444         { 0x8016, KEY_MENU },       /* DVD Menu */
 445         { 0x8017, KEY_LAST },
 446
 447         { 0x8018, KEY_RECORD },
 448         { 0x8019, KEY_STOP },
 449         { 0x801a, KEY_PAUSE },
 450         { 0x801b, KEY_PLAY },
 451
 452         { 0x801c, KEY_PREVIOUS },
 453         { 0x801d, KEY_REWIND },
 454         { 0x801e, KEY_FASTFORWARD },
 455         { 0x801f, KEY_NEXT},
 456
 457         { 0x8040, KEY_1 },
 458         { 0x8041, KEY_2 },
 459         { 0x8042, KEY_3 },
 460         { 0x8043, KEY_CHANNELUP },
 461
 462         { 0x8044, KEY_4 },
 463         { 0x8045, KEY_5 },
 464         { 0x8046, KEY_6 },
 465         { 0x8047, KEY_CHANNELDOWN },
 466
 467         { 0x8048, KEY_7 },
 468         { 0x8049, KEY_8 },
 469         { 0x804a, KEY_9 },
 470         { 0x804b, KEY_VOLUMEUP },
 471
 472         { 0x804c, KEY_CLEAR },
 473         { 0x804d, KEY_0 },
 474         { 0x804e, KEY_ENTER },
 475         { 0x804f, KEY_VOLUMEDOWN },
 476 };
 477 EXPORT_SYMBOL(rc_map_dibusb_table);
 478
 479 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 480 {
 481         u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
 482         dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 483         dvb_usb_nec_rc_key_to_event(d,key,event,state);
 484         if (key[0] != 0)
 485                 deb_info("key: %*ph\n", 5, key);
 486         return 0;
 487 }
 488 EXPORT_SYMBOL(dibusb_rc_query);