1 /* Common methods for dibusb-based-receivers. 2 * 3 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.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 #if IS_ENABLED(CONFIG_DVB_DIB3000MC) 188 189 /* 3000MC/P stuff */ 190 // Config Adjacent channels Perf -cal22 191 static struct dibx000_agc_config dib3000p_mt2060_agc_config = { 192 .band_caps = BAND_VHF | BAND_UHF, 193 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0), 194 195 .agc1_max = 48497, 196 .agc1_min = 23593, 197 .agc2_max = 46531, 198 .agc2_min = 24904, 199 200 .agc1_pt1 = 0x65, 201 .agc1_pt2 = 0x69, 202 203 .agc1_slope1 = 0x51, 204 .agc1_slope2 = 0x27, 205 206 .agc2_pt1 = 0, 207 .agc2_pt2 = 0x33, 208 209 .agc2_slope1 = 0x35, 210 .agc2_slope2 = 0x37, 211 }; 212 213 static struct dib3000mc_config stk3000p_dib3000p_config = { 214 &dib3000p_mt2060_agc_config, 215 216 .max_time = 0x196, 217 .ln_adc_level = 0x1cc7, 218 219 .output_mpeg2_in_188_bytes = 1, 220 221 .agc_command1 = 1, 222 .agc_command2 = 1, 223 }; 224 225 static struct dibx000_agc_config dib3000p_panasonic_agc_config = { 226 .band_caps = BAND_VHF | BAND_UHF, 227 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0), 228 229 .agc1_max = 56361, 230 .agc1_min = 22282, 231 .agc2_max = 47841, 232 .agc2_min = 36045, 233 234 .agc1_pt1 = 0x3b, 235 .agc1_pt2 = 0x6b, 236 237 .agc1_slope1 = 0x55, 238 .agc1_slope2 = 0x1d, 239 240 .agc2_pt1 = 0, 241 .agc2_pt2 = 0x0a, 242 243 .agc2_slope1 = 0x95, 244 .agc2_slope2 = 0x1e, 245 }; 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); 489