1 /* DVB USB compliant Linux driver for the Afatech 9005 2 * USB1.1 DVB-T receiver. 3 * 4 * Copyright (C) 2007 Luca Olivetti (luca@ventoso.org) 5 * 6 * Thanks to Afatech who kindly provided information. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * 22 * see Documentation/dvb/README.dvb-usb for more information 23 */ 24 #include "af9005.h" 25 26 /* debug */ 27 int dvb_usb_af9005_debug; 28 module_param_named(debug, dvb_usb_af9005_debug, int, 0644); 29 MODULE_PARM_DESC(debug, 30 "set debugging level (1=info,xfer=2,rc=4,reg=8,i2c=16,fw=32 (or-able))." 31 DVB_USB_DEBUG_STATUS); 32 /* enable obnoxious led */ 33 bool dvb_usb_af9005_led = true; 34 module_param_named(led, dvb_usb_af9005_led, bool, 0644); 35 MODULE_PARM_DESC(led, "enable led (default: 1)."); 36 37 /* eeprom dump */ 38 static int dvb_usb_af9005_dump_eeprom; 39 module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0); 40 MODULE_PARM_DESC(dump_eeprom, "dump contents of the eeprom."); 41 42 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 43 44 /* remote control decoder */ 45 static int (*rc_decode) (struct dvb_usb_device *d, u8 *data, int len, 46 u32 *event, int *state); 47 static void *rc_keys; 48 static int *rc_keys_size; 49 50 u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff }; 51 52 struct af9005_device_state { 53 u8 sequence; 54 int led_state; 55 }; 56 57 static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, 58 int readwrite, int type, u8 * values, int len) 59 { 60 struct af9005_device_state *st = d->priv; 61 u8 obuf[16] = { 0 }; 62 u8 ibuf[17] = { 0 }; 63 u8 command; 64 int i; 65 int ret; 66 67 if (len < 1) { 68 err("generic read/write, less than 1 byte. Makes no sense."); 69 return -EINVAL; 70 } 71 if (len > 8) { 72 err("generic read/write, more than 8 bytes. Not supported."); 73 return -EINVAL; 74 } 75 76 obuf[0] = 14; /* rest of buffer length low */ 77 obuf[1] = 0; /* rest of buffer length high */ 78 79 obuf[2] = AF9005_REGISTER_RW; /* register operation */ 80 obuf[3] = 12; /* rest of buffer length */ 81 82 obuf[4] = st->sequence++; /* sequence number */ 83 84 obuf[5] = (u8) (reg >> 8); /* register address */ 85 obuf[6] = (u8) (reg & 0xff); 86 87 if (type == AF9005_OFDM_REG) { 88 command = AF9005_CMD_OFDM_REG; 89 } else { 90 command = AF9005_CMD_TUNER; 91 } 92 93 if (len > 1) 94 command |= 95 AF9005_CMD_BURST | AF9005_CMD_AUTOINC | (len - 1) << 3; 96 command |= readwrite; 97 if (readwrite == AF9005_CMD_WRITE) 98 for (i = 0; i < len; i++) 99 obuf[8 + i] = values[i]; 100 else if (type == AF9005_TUNER_REG) 101 /* read command for tuner, the first byte contains the i2c address */ 102 obuf[8] = values[0]; 103 obuf[7] = command; 104 105 ret = dvb_usb_generic_rw(d, obuf, 16, ibuf, 17, 0); 106 if (ret) 107 return ret; 108 109 /* sanity check */ 110 if (ibuf[2] != AF9005_REGISTER_RW_ACK) { 111 err("generic read/write, wrong reply code."); 112 return -EIO; 113 } 114 if (ibuf[3] != 0x0d) { 115 err("generic read/write, wrong length in reply."); 116 return -EIO; 117 } 118 if (ibuf[4] != obuf[4]) { 119 err("generic read/write, wrong sequence in reply."); 120 return -EIO; 121 } 122 /* 123 Windows driver doesn't check these fields, in fact sometimes 124 the register in the reply is different that what has been sent 125 126 if (ibuf[5] != obuf[5] || ibuf[6] != obuf[6]) { 127 err("generic read/write, wrong register in reply."); 128 return -EIO; 129 } 130 if (ibuf[7] != command) { 131 err("generic read/write wrong command in reply."); 132 return -EIO; 133 } 134 */ 135 if (ibuf[16] != 0x01) { 136 err("generic read/write wrong status code in reply."); 137 return -EIO; 138 } 139 if (readwrite == AF9005_CMD_READ) 140 for (i = 0; i < len; i++) 141 values[i] = ibuf[8 + i]; 142 143 return 0; 144 145 } 146 147 int af9005_read_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 * value) 148 { 149 int ret; 150 deb_reg("read register %x ", reg); 151 ret = af9005_generic_read_write(d, reg, 152 AF9005_CMD_READ, AF9005_OFDM_REG, 153 value, 1); 154 if (ret) 155 deb_reg("failed\n"); 156 else 157 deb_reg("value %x\n", *value); 158 return ret; 159 } 160 161 int af9005_read_ofdm_registers(struct dvb_usb_device *d, u16 reg, 162 u8 * values, int len) 163 { 164 int ret; 165 deb_reg("read %d registers %x ", len, reg); 166 ret = af9005_generic_read_write(d, reg, 167 AF9005_CMD_READ, AF9005_OFDM_REG, 168 values, len); 169 if (ret) 170 deb_reg("failed\n"); 171 else 172 debug_dump(values, len, deb_reg); 173 return ret; 174 } 175 176 int af9005_write_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 value) 177 { 178 int ret; 179 u8 temp = value; 180 deb_reg("write register %x value %x ", reg, value); 181 ret = af9005_generic_read_write(d, reg, 182 AF9005_CMD_WRITE, AF9005_OFDM_REG, 183 &temp, 1); 184 if (ret) 185 deb_reg("failed\n"); 186 else 187 deb_reg("ok\n"); 188 return ret; 189 } 190 191 int af9005_write_ofdm_registers(struct dvb_usb_device *d, u16 reg, 192 u8 * values, int len) 193 { 194 int ret; 195 deb_reg("write %d registers %x values ", len, reg); 196 debug_dump(values, len, deb_reg); 197 198 ret = af9005_generic_read_write(d, reg, 199 AF9005_CMD_WRITE, AF9005_OFDM_REG, 200 values, len); 201 if (ret) 202 deb_reg("failed\n"); 203 else 204 deb_reg("ok\n"); 205 return ret; 206 } 207 208 int af9005_read_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, 209 u8 len, u8 * value) 210 { 211 u8 temp; 212 int ret; 213 deb_reg("read bits %x %x %x", reg, pos, len); 214 ret = af9005_read_ofdm_register(d, reg, &temp); 215 if (ret) { 216 deb_reg(" failed\n"); 217 return ret; 218 } 219 *value = (temp >> pos) & regmask[len - 1]; 220 deb_reg(" value %x\n", *value); 221 return 0; 222 223 } 224 225 int af9005_write_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, 226 u8 len, u8 value) 227 { 228 u8 temp, mask; 229 int ret; 230 deb_reg("write bits %x %x %x value %x\n", reg, pos, len, value); 231 if (pos == 0 && len == 8) 232 return af9005_write_ofdm_register(d, reg, value); 233 ret = af9005_read_ofdm_register(d, reg, &temp); 234 if (ret) 235 return ret; 236 mask = regmask[len - 1] << pos; 237 temp = (temp & ~mask) | ((value << pos) & mask); 238 return af9005_write_ofdm_register(d, reg, temp); 239 240 } 241 242 static int af9005_usb_read_tuner_registers(struct dvb_usb_device *d, 243 u16 reg, u8 * values, int len) 244 { 245 return af9005_generic_read_write(d, reg, 246 AF9005_CMD_READ, AF9005_TUNER_REG, 247 values, len); 248 } 249 250 static int af9005_usb_write_tuner_registers(struct dvb_usb_device *d, 251 u16 reg, u8 * values, int len) 252 { 253 return af9005_generic_read_write(d, reg, 254 AF9005_CMD_WRITE, 255 AF9005_TUNER_REG, values, len); 256 } 257 258 int af9005_write_tuner_registers(struct dvb_usb_device *d, u16 reg, 259 u8 * values, int len) 260 { 261 /* don't let the name of this function mislead you: it's just used 262 as an interface from the firmware to the i2c bus. The actual 263 i2c addresses are contained in the data */ 264 int ret, i, done = 0, fail = 0; 265 u8 temp; 266 ret = af9005_usb_write_tuner_registers(d, reg, values, len); 267 if (ret) 268 return ret; 269 if (reg != 0xffff) { 270 /* check if write done (0xa40d bit 1) or fail (0xa40d bit 2) */ 271 for (i = 0; i < 200; i++) { 272 ret = 273 af9005_read_ofdm_register(d, 274 xd_I2C_i2c_m_status_wdat_done, 275 &temp); 276 if (ret) 277 return ret; 278 done = temp & (regmask[i2c_m_status_wdat_done_len - 1] 279 << i2c_m_status_wdat_done_pos); 280 if (done) 281 break; 282 fail = temp & (regmask[i2c_m_status_wdat_fail_len - 1] 283 << i2c_m_status_wdat_fail_pos); 284 if (fail) 285 break; 286 msleep(50); 287 } 288 if (i == 200) 289 return -ETIMEDOUT; 290 if (fail) { 291 /* clear write fail bit */ 292 af9005_write_register_bits(d, 293 xd_I2C_i2c_m_status_wdat_fail, 294 i2c_m_status_wdat_fail_pos, 295 i2c_m_status_wdat_fail_len, 296 1); 297 return -EIO; 298 } 299 /* clear write done bit */ 300 ret = 301 af9005_write_register_bits(d, 302 xd_I2C_i2c_m_status_wdat_fail, 303 i2c_m_status_wdat_done_pos, 304 i2c_m_status_wdat_done_len, 1); 305 if (ret) 306 return ret; 307 } 308 return 0; 309 } 310 311 int af9005_read_tuner_registers(struct dvb_usb_device *d, u16 reg, u8 addr, 312 u8 * values, int len) 313 { 314 /* don't let the name of this function mislead you: it's just used 315 as an interface from the firmware to the i2c bus. The actual 316 i2c addresses are contained in the data */ 317 int ret, i; 318 u8 temp, buf[2]; 319 320 buf[0] = addr; /* tuner i2c address */ 321 buf[1] = values[0]; /* tuner register */ 322 323 values[0] = addr + 0x01; /* i2c read address */ 324 325 if (reg == APO_REG_I2C_RW_SILICON_TUNER) { 326 /* write tuner i2c address to tuner, 0c00c0 undocumented, found by sniffing */ 327 ret = af9005_write_tuner_registers(d, 0x00c0, buf, 2); 328 if (ret) 329 return ret; 330 } 331 332 /* send read command to ofsm */ 333 ret = af9005_usb_read_tuner_registers(d, reg, values, 1); 334 if (ret) 335 return ret; 336 337 /* check if read done */ 338 for (i = 0; i < 200; i++) { 339 ret = af9005_read_ofdm_register(d, 0xa408, &temp); 340 if (ret) 341 return ret; 342 if (temp & 0x01) 343 break; 344 msleep(50); 345 } 346 if (i == 200) 347 return -ETIMEDOUT; 348 349 /* clear read done bit (by writing 1) */ 350 ret = af9005_write_ofdm_register(d, xd_I2C_i2c_m_data8, 1); 351 if (ret) 352 return ret; 353 354 /* get read data (available from 0xa400) */ 355 for (i = 0; i < len; i++) { 356 ret = af9005_read_ofdm_register(d, 0xa400 + i, &temp); 357 if (ret) 358 return ret; 359 values[i] = temp; 360 } 361 return 0; 362 } 363 364 static int af9005_i2c_write(struct dvb_usb_device *d, u8 i2caddr, u8 reg, 365 u8 * data, int len) 366 { 367 int ret, i; 368 u8 buf[3]; 369 deb_i2c("i2c_write i2caddr %x, reg %x, len %d data ", i2caddr, 370 reg, len); 371 debug_dump(data, len, deb_i2c); 372 373 for (i = 0; i < len; i++) { 374 buf[0] = i2caddr; 375 buf[1] = reg + (u8) i; 376 buf[2] = data[i]; 377 ret = 378 af9005_write_tuner_registers(d, 379 APO_REG_I2C_RW_SILICON_TUNER, 380 buf, 3); 381 if (ret) { 382 deb_i2c("i2c_write failed\n"); 383 return ret; 384 } 385 } 386 deb_i2c("i2c_write ok\n"); 387 return 0; 388 } 389 390 static int af9005_i2c_read(struct dvb_usb_device *d, u8 i2caddr, u8 reg, 391 u8 * data, int len) 392 { 393 int ret, i; 394 u8 temp; 395 deb_i2c("i2c_read i2caddr %x, reg %x, len %d\n ", i2caddr, reg, len); 396 for (i = 0; i < len; i++) { 397 temp = reg + i; 398 ret = 399 af9005_read_tuner_registers(d, 400 APO_REG_I2C_RW_SILICON_TUNER, 401 i2caddr, &temp, 1); 402 if (ret) { 403 deb_i2c("i2c_read failed\n"); 404 return ret; 405 } 406 data[i] = temp; 407 } 408 deb_i2c("i2c data read: "); 409 debug_dump(data, len, deb_i2c); 410 return 0; 411 } 412 413 static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 414 int num) 415 { 416 /* only implements what the mt2060 module does, don't know how 417 to make it really generic */ 418 struct dvb_usb_device *d = i2c_get_adapdata(adap); 419 int ret; 420 u8 reg, addr; 421 u8 *value; 422 423 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 424 return -EAGAIN; 425 426 if (num > 2) 427 warn("more than 2 i2c messages at a time is not handled yet. TODO."); 428 429 if (num == 2) { 430 /* reads a single register */ 431 reg = *msg[0].buf; 432 addr = msg[0].addr; 433 value = msg[1].buf; 434 ret = af9005_i2c_read(d, addr, reg, value, 1); 435 if (ret == 0) 436 ret = 2; 437 } else { 438 /* write one or more registers */ 439 reg = msg[0].buf[0]; 440 addr = msg[0].addr; 441 value = &msg[0].buf[1]; 442 ret = af9005_i2c_write(d, addr, reg, value, msg[0].len - 1); 443 if (ret == 0) 444 ret = 1; 445 } 446 447 mutex_unlock(&d->i2c_mutex); 448 return ret; 449 } 450 451 static u32 af9005_i2c_func(struct i2c_adapter *adapter) 452 { 453 return I2C_FUNC_I2C; 454 } 455 456 static struct i2c_algorithm af9005_i2c_algo = { 457 .master_xfer = af9005_i2c_xfer, 458 .functionality = af9005_i2c_func, 459 }; 460 461 int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, 462 int wlen, u8 * rbuf, int rlen) 463 { 464 struct af9005_device_state *st = d->priv; 465 466 int ret, i, packet_len; 467 u8 buf[64]; 468 u8 ibuf[64]; 469 470 if (wlen < 0) { 471 err("send command, wlen less than 0 bytes. Makes no sense."); 472 return -EINVAL; 473 } 474 if (wlen > 54) { 475 err("send command, wlen more than 54 bytes. Not supported."); 476 return -EINVAL; 477 } 478 if (rlen > 54) { 479 err("send command, rlen more than 54 bytes. Not supported."); 480 return -EINVAL; 481 } 482 packet_len = wlen + 5; 483 buf[0] = (u8) (packet_len & 0xff); 484 buf[1] = (u8) ((packet_len & 0xff00) >> 8); 485 486 buf[2] = 0x26; /* packet type */ 487 buf[3] = wlen + 3; 488 buf[4] = st->sequence++; 489 buf[5] = command; 490 buf[6] = wlen; 491 for (i = 0; i < wlen; i++) 492 buf[7 + i] = wbuf[i]; 493 ret = dvb_usb_generic_rw(d, buf, wlen + 7, ibuf, rlen + 7, 0); 494 if (ret) 495 return ret; 496 if (ibuf[2] != 0x27) { 497 err("send command, wrong reply code."); 498 return -EIO; 499 } 500 if (ibuf[4] != buf[4]) { 501 err("send command, wrong sequence in reply."); 502 return -EIO; 503 } 504 if (ibuf[5] != 0x01) { 505 err("send command, wrong status code in reply."); 506 return -EIO; 507 } 508 if (ibuf[6] != rlen) { 509 err("send command, invalid data length in reply."); 510 return -EIO; 511 } 512 for (i = 0; i < rlen; i++) 513 rbuf[i] = ibuf[i + 7]; 514 return 0; 515 } 516 517 int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values, 518 int len) 519 { 520 struct af9005_device_state *st = d->priv; 521 u8 obuf[16], ibuf[14]; 522 int ret, i; 523 524 memset(obuf, 0, sizeof(obuf)); 525 memset(ibuf, 0, sizeof(ibuf)); 526 527 obuf[0] = 14; /* length of rest of packet low */ 528 obuf[1] = 0; /* length of rest of packer high */ 529 530 obuf[2] = 0x2a; /* read/write eeprom */ 531 532 obuf[3] = 12; /* size */ 533 534 obuf[4] = st->sequence++; 535 536 obuf[5] = 0; /* read */ 537 538 obuf[6] = len; 539 obuf[7] = address; 540 ret = dvb_usb_generic_rw(d, obuf, 16, ibuf, 14, 0); 541 if (ret) 542 return ret; 543 if (ibuf[2] != 0x2b) { 544 err("Read eeprom, invalid reply code"); 545 return -EIO; 546 } 547 if (ibuf[3] != 10) { 548 err("Read eeprom, invalid reply length"); 549 return -EIO; 550 } 551 if (ibuf[4] != obuf[4]) { 552 err("Read eeprom, wrong sequence in reply "); 553 return -EIO; 554 } 555 if (ibuf[5] != 1) { 556 err("Read eeprom, wrong status in reply "); 557 return -EIO; 558 } 559 for (i = 0; i < len; i++) { 560 values[i] = ibuf[6 + i]; 561 } 562 return 0; 563 } 564 565 static int af9005_boot_packet(struct usb_device *udev, int type, u8 * reply) 566 { 567 u8 buf[FW_BULKOUT_SIZE + 2]; 568 u16 checksum; 569 int act_len, i, ret; 570 memset(buf, 0, sizeof(buf)); 571 buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); 572 buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff); 573 switch (type) { 574 case FW_CONFIG: 575 buf[2] = 0x11; 576 buf[3] = 0x04; 577 buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ 578 buf[5] = 0x03; 579 checksum = buf[4] + buf[5]; 580 buf[6] = (u8) ((checksum >> 8) & 0xff); 581 buf[7] = (u8) (checksum & 0xff); 582 break; 583 case FW_CONFIRM: 584 buf[2] = 0x11; 585 buf[3] = 0x04; 586 buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ 587 buf[5] = 0x01; 588 checksum = buf[4] + buf[5]; 589 buf[6] = (u8) ((checksum >> 8) & 0xff); 590 buf[7] = (u8) (checksum & 0xff); 591 break; 592 case FW_BOOT: 593 buf[2] = 0x10; 594 buf[3] = 0x08; 595 buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ 596 buf[5] = 0x97; 597 buf[6] = 0xaa; 598 buf[7] = 0x55; 599 buf[8] = 0xa5; 600 buf[9] = 0x5a; 601 checksum = 0; 602 for (i = 4; i <= 9; i++) 603 checksum += buf[i]; 604 buf[10] = (u8) ((checksum >> 8) & 0xff); 605 buf[11] = (u8) (checksum & 0xff); 606 break; 607 default: 608 err("boot packet invalid boot packet type"); 609 return -EINVAL; 610 } 611 deb_fw(">>> "); 612 debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw); 613 614 ret = usb_bulk_msg(udev, 615 usb_sndbulkpipe(udev, 0x02), 616 buf, FW_BULKOUT_SIZE + 2, &act_len, 2000); 617 if (ret) 618 err("boot packet bulk message failed: %d (%d/%d)", ret, 619 FW_BULKOUT_SIZE + 2, act_len); 620 else 621 ret = act_len != FW_BULKOUT_SIZE + 2 ? -1 : 0; 622 if (ret) 623 return ret; 624 memset(buf, 0, 9); 625 ret = usb_bulk_msg(udev, 626 usb_rcvbulkpipe(udev, 0x01), buf, 9, &act_len, 2000); 627 if (ret) { 628 err("boot packet recv bulk message failed: %d", ret); 629 return ret; 630 } 631 deb_fw("<<< "); 632 debug_dump(buf, act_len, deb_fw); 633 checksum = 0; 634 switch (type) { 635 case FW_CONFIG: 636 if (buf[2] != 0x11) { 637 err("boot bad config header."); 638 return -EIO; 639 } 640 if (buf[3] != 0x05) { 641 err("boot bad config size."); 642 return -EIO; 643 } 644 if (buf[4] != 0x00) { 645 err("boot bad config sequence."); 646 return -EIO; 647 } 648 if (buf[5] != 0x04) { 649 err("boot bad config subtype."); 650 return -EIO; 651 } 652 for (i = 4; i <= 6; i++) 653 checksum += buf[i]; 654 if (buf[7] * 256 + buf[8] != checksum) { 655 err("boot bad config checksum."); 656 return -EIO; 657 } 658 *reply = buf[6]; 659 break; 660 case FW_CONFIRM: 661 if (buf[2] != 0x11) { 662 err("boot bad confirm header."); 663 return -EIO; 664 } 665 if (buf[3] != 0x05) { 666 err("boot bad confirm size."); 667 return -EIO; 668 } 669 if (buf[4] != 0x00) { 670 err("boot bad confirm sequence."); 671 return -EIO; 672 } 673 if (buf[5] != 0x02) { 674 err("boot bad confirm subtype."); 675 return -EIO; 676 } 677 for (i = 4; i <= 6; i++) 678 checksum += buf[i]; 679 if (buf[7] * 256 + buf[8] != checksum) { 680 err("boot bad confirm checksum."); 681 return -EIO; 682 } 683 *reply = buf[6]; 684 break; 685 case FW_BOOT: 686 if (buf[2] != 0x10) { 687 err("boot bad boot header."); 688 return -EIO; 689 } 690 if (buf[3] != 0x05) { 691 err("boot bad boot size."); 692 return -EIO; 693 } 694 if (buf[4] != 0x00) { 695 err("boot bad boot sequence."); 696 return -EIO; 697 } 698 if (buf[5] != 0x01) { 699 err("boot bad boot pattern 01."); 700 return -EIO; 701 } 702 if (buf[6] != 0x10) { 703 err("boot bad boot pattern 10."); 704 return -EIO; 705 } 706 for (i = 4; i <= 6; i++) 707 checksum += buf[i]; 708 if (buf[7] * 256 + buf[8] != checksum) { 709 err("boot bad boot checksum."); 710 return -EIO; 711 } 712 break; 713 714 } 715 716 return 0; 717 } 718 719 static int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw) 720 { 721 int i, packets, ret, act_len; 722 723 u8 buf[FW_BULKOUT_SIZE + 2]; 724 u8 reply; 725 726 ret = af9005_boot_packet(udev, FW_CONFIG, &reply); 727 if (ret) 728 return ret; 729 if (reply != 0x01) { 730 err("before downloading firmware, FW_CONFIG expected 0x01, received 0x%x", reply); 731 return -EIO; 732 } 733 packets = fw->size / FW_BULKOUT_SIZE; 734 buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); 735 buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff); 736 for (i = 0; i < packets; i++) { 737 memcpy(&buf[2], fw->data + i * FW_BULKOUT_SIZE, 738 FW_BULKOUT_SIZE); 739 deb_fw(">>> "); 740 debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw); 741 ret = usb_bulk_msg(udev, 742 usb_sndbulkpipe(udev, 0x02), 743 buf, FW_BULKOUT_SIZE + 2, &act_len, 1000); 744 if (ret) { 745 err("firmware download failed at packet %d with code %d", i, ret); 746 return ret; 747 } 748 } 749 ret = af9005_boot_packet(udev, FW_CONFIRM, &reply); 750 if (ret) 751 return ret; 752 if (reply != (u8) (packets & 0xff)) { 753 err("after downloading firmware, FW_CONFIRM expected 0x%x, received 0x%x", packets & 0xff, reply); 754 return -EIO; 755 } 756 ret = af9005_boot_packet(udev, FW_BOOT, &reply); 757 if (ret) 758 return ret; 759 ret = af9005_boot_packet(udev, FW_CONFIG, &reply); 760 if (ret) 761 return ret; 762 if (reply != 0x02) { 763 err("after downloading firmware, FW_CONFIG expected 0x02, received 0x%x", reply); 764 return -EIO; 765 } 766 767 return 0; 768 769 } 770 771 int af9005_led_control(struct dvb_usb_device *d, int onoff) 772 { 773 struct af9005_device_state *st = d->priv; 774 int temp, ret; 775 776 if (onoff && dvb_usb_af9005_led) 777 temp = 1; 778 else 779 temp = 0; 780 if (st->led_state != temp) { 781 ret = 782 af9005_write_register_bits(d, xd_p_reg_top_locken1, 783 reg_top_locken1_pos, 784 reg_top_locken1_len, temp); 785 if (ret) 786 return ret; 787 ret = 788 af9005_write_register_bits(d, xd_p_reg_top_lock1, 789 reg_top_lock1_pos, 790 reg_top_lock1_len, temp); 791 if (ret) 792 return ret; 793 st->led_state = temp; 794 } 795 return 0; 796 } 797 798 static int af9005_frontend_attach(struct dvb_usb_adapter *adap) 799 { 800 u8 buf[8]; 801 int i; 802 803 /* without these calls the first commands after downloading 804 the firmware fail. I put these calls here to simulate 805 what it is done in dvb-usb-init.c. 806 */ 807 struct usb_device *udev = adap->dev->udev; 808 usb_clear_halt(udev, usb_sndbulkpipe(udev, 2)); 809 usb_clear_halt(udev, usb_rcvbulkpipe(udev, 1)); 810 if (dvb_usb_af9005_dump_eeprom) { 811 printk("EEPROM DUMP\n"); 812 for (i = 0; i < 255; i += 8) { 813 af9005_read_eeprom(adap->dev, i, buf, 8); 814 printk("ADDR %x ", i); 815 debug_dump(buf, 8, printk); 816 } 817 } 818 adap->fe_adap[0].fe = af9005_fe_attach(adap->dev); 819 return 0; 820 } 821 822 static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state) 823 { 824 struct af9005_device_state *st = d->priv; 825 int ret, len; 826 827 u8 obuf[5]; 828 u8 ibuf[256]; 829 830 *state = REMOTE_NO_KEY_PRESSED; 831 if (rc_decode == NULL) { 832 /* it shouldn't never come here */ 833 return 0; 834 } 835 /* deb_info("rc_query\n"); */ 836 obuf[0] = 3; /* rest of packet length low */ 837 obuf[1] = 0; /* rest of packet lentgh high */ 838 obuf[2] = 0x40; /* read remote */ 839 obuf[3] = 1; /* rest of packet length */ 840 obuf[4] = st->sequence++; /* sequence number */ 841 ret = dvb_usb_generic_rw(d, obuf, 5, ibuf, 256, 0); 842 if (ret) { 843 err("rc query failed"); 844 return ret; 845 } 846 if (ibuf[2] != 0x41) { 847 err("rc query bad header."); 848 return -EIO; 849 } 850 if (ibuf[4] != obuf[4]) { 851 err("rc query bad sequence."); 852 return -EIO; 853 } 854 len = ibuf[5]; 855 if (len > 246) { 856 err("rc query invalid length"); 857 return -EIO; 858 } 859 if (len > 0) { 860 deb_rc("rc data (%d) ", len); 861 debug_dump((ibuf + 6), len, deb_rc); 862 ret = rc_decode(d, &ibuf[6], len, event, state); 863 if (ret) { 864 err("rc_decode failed"); 865 return ret; 866 } else { 867 deb_rc("rc_decode state %x event %x\n", *state, *event); 868 if (*state == REMOTE_KEY_REPEAT) 869 *event = d->last_event; 870 } 871 } 872 return 0; 873 } 874 875 static int af9005_power_ctrl(struct dvb_usb_device *d, int onoff) 876 { 877 878 return 0; 879 } 880 881 static int af9005_pid_filter_control(struct dvb_usb_adapter *adap, int onoff) 882 { 883 int ret; 884 deb_info("pid filter control onoff %d\n", onoff); 885 if (onoff) { 886 ret = 887 af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1); 888 if (ret) 889 return ret; 890 ret = 891 af9005_write_register_bits(adap->dev, 892 XD_MP2IF_DMX_CTRL, 1, 1, 1); 893 if (ret) 894 return ret; 895 ret = 896 af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1); 897 } else 898 ret = 899 af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 0); 900 if (ret) 901 return ret; 902 deb_info("pid filter control ok\n"); 903 return 0; 904 } 905 906 static int af9005_pid_filter(struct dvb_usb_adapter *adap, int index, 907 u16 pid, int onoff) 908 { 909 u8 cmd = index & 0x1f; 910 int ret; 911 deb_info("set pid filter, index %d, pid %x, onoff %d\n", index, 912 pid, onoff); 913 if (onoff) { 914 /* cannot use it as pid_filter_ctrl since it has to be done 915 before setting the first pid */ 916 if (adap->feedcount == 1) { 917 deb_info("first pid set, enable pid table\n"); 918 ret = af9005_pid_filter_control(adap, onoff); 919 if (ret) 920 return ret; 921 } 922 ret = 923 af9005_write_ofdm_register(adap->dev, 924 XD_MP2IF_PID_DATA_L, 925 (u8) (pid & 0xff)); 926 if (ret) 927 return ret; 928 ret = 929 af9005_write_ofdm_register(adap->dev, 930 XD_MP2IF_PID_DATA_H, 931 (u8) (pid >> 8)); 932 if (ret) 933 return ret; 934 cmd |= 0x20 | 0x40; 935 } else { 936 if (adap->feedcount == 0) { 937 deb_info("last pid unset, disable pid table\n"); 938 ret = af9005_pid_filter_control(adap, onoff); 939 if (ret) 940 return ret; 941 } 942 } 943 ret = af9005_write_ofdm_register(adap->dev, XD_MP2IF_PID_IDX, cmd); 944 if (ret) 945 return ret; 946 deb_info("set pid ok\n"); 947 return 0; 948 } 949 950 static int af9005_identify_state(struct usb_device *udev, 951 struct dvb_usb_device_properties *props, 952 struct dvb_usb_device_description **desc, 953 int *cold) 954 { 955 int ret; 956 u8 reply; 957 ret = af9005_boot_packet(udev, FW_CONFIG, &reply); 958 if (ret) 959 return ret; 960 deb_info("result of FW_CONFIG in identify state %d\n", reply); 961 if (reply == 0x01) 962 *cold = 1; 963 else if (reply == 0x02) 964 *cold = 0; 965 else 966 return -EIO; 967 deb_info("Identify state cold = %d\n", *cold); 968 return 0; 969 } 970 971 static struct dvb_usb_device_properties af9005_properties; 972 973 static int af9005_usb_probe(struct usb_interface *intf, 974 const struct usb_device_id *id) 975 { 976 return dvb_usb_device_init(intf, &af9005_properties, 977 THIS_MODULE, NULL, adapter_nr); 978 } 979 980 enum af9005_usb_table_entry { 981 AFATECH_AF9005, 982 TERRATEC_AF9005, 983 ANSONIC_AF9005, 984 }; 985 986 static struct usb_device_id af9005_usb_table[] = { 987 [AFATECH_AF9005] = {USB_DEVICE(USB_VID_AFATECH, 988 USB_PID_AFATECH_AF9005)}, 989 [TERRATEC_AF9005] = {USB_DEVICE(USB_VID_TERRATEC, 990 USB_PID_TERRATEC_CINERGY_T_USB_XE)}, 991 [ANSONIC_AF9005] = {USB_DEVICE(USB_VID_ANSONIC, 992 USB_PID_ANSONIC_DVBT_USB)}, 993 { } 994 }; 995 996 MODULE_DEVICE_TABLE(usb, af9005_usb_table); 997 998 static struct dvb_usb_device_properties af9005_properties = { 999 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 1000 1001 .usb_ctrl = DEVICE_SPECIFIC, 1002 .firmware = "af9005.fw", 1003 .download_firmware = af9005_download_firmware, 1004 .no_reconnect = 1, 1005 1006 .size_of_priv = sizeof(struct af9005_device_state), 1007 1008 .num_adapters = 1, 1009 .adapter = { 1010 { 1011 .num_frontends = 1, 1012 .fe = {{ 1013 .caps = 1014 DVB_USB_ADAP_HAS_PID_FILTER | 1015 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1016 .pid_filter_count = 32, 1017 .pid_filter = af9005_pid_filter, 1018 /* .pid_filter_ctrl = af9005_pid_filter_control, */ 1019 .frontend_attach = af9005_frontend_attach, 1020 /* .tuner_attach = af9005_tuner_attach, */ 1021 /* parameter for the MPEG2-data transfer */ 1022 .stream = { 1023 .type = USB_BULK, 1024 .count = 10, 1025 .endpoint = 0x04, 1026 .u = { 1027 .bulk = { 1028 .buffersize = 4096, /* actual size seen is 3948 */ 1029 } 1030 } 1031 }, 1032 }}, 1033 } 1034 }, 1035 .power_ctrl = af9005_power_ctrl, 1036 .identify_state = af9005_identify_state, 1037 1038 .i2c_algo = &af9005_i2c_algo, 1039 1040 .rc.legacy = { 1041 .rc_interval = 200, 1042 .rc_map_table = NULL, 1043 .rc_map_size = 0, 1044 .rc_query = af9005_rc_query, 1045 }, 1046 1047 .generic_bulk_ctrl_endpoint = 2, 1048 .generic_bulk_ctrl_endpoint_response = 1, 1049 1050 .num_device_descs = 3, 1051 .devices = { 1052 {.name = "Afatech DVB-T USB1.1 stick", 1053 .cold_ids = {&af9005_usb_table[AFATECH_AF9005], NULL}, 1054 .warm_ids = {NULL}, 1055 }, 1056 {.name = "TerraTec Cinergy T USB XE", 1057 .cold_ids = {&af9005_usb_table[TERRATEC_AF9005], NULL}, 1058 .warm_ids = {NULL}, 1059 }, 1060 {.name = "Ansonic DVB-T USB1.1 stick", 1061 .cold_ids = {&af9005_usb_table[ANSONIC_AF9005], NULL}, 1062 .warm_ids = {NULL}, 1063 }, 1064 {NULL}, 1065 } 1066 }; 1067 1068 /* usb specific object needed to register this driver with the usb subsystem */ 1069 static struct usb_driver af9005_usb_driver = { 1070 .name = "dvb_usb_af9005", 1071 .probe = af9005_usb_probe, 1072 .disconnect = dvb_usb_device_exit, 1073 .id_table = af9005_usb_table, 1074 }; 1075 1076 /* module stuff */ 1077 static int __init af9005_usb_module_init(void) 1078 { 1079 int result; 1080 if ((result = usb_register(&af9005_usb_driver))) { 1081 err("usb_register failed. (%d)", result); 1082 return result; 1083 } 1084 #if IS_MODULE(CONFIG_DVB_USB_AF9005) || defined(CONFIG_DVB_USB_AF9005_REMOTE) 1085 /* FIXME: convert to todays kernel IR infrastructure */ 1086 rc_decode = symbol_request(af9005_rc_decode); 1087 rc_keys = symbol_request(rc_map_af9005_table); 1088 rc_keys_size = symbol_request(rc_map_af9005_table_size); 1089 #endif 1090 if (rc_decode == NULL || rc_keys == NULL || rc_keys_size == NULL) { 1091 err("af9005_rc_decode function not found, disabling remote"); 1092 af9005_properties.rc.legacy.rc_query = NULL; 1093 } else { 1094 af9005_properties.rc.legacy.rc_map_table = rc_keys; 1095 af9005_properties.rc.legacy.rc_map_size = *rc_keys_size; 1096 } 1097 1098 return 0; 1099 } 1100 1101 static void __exit af9005_usb_module_exit(void) 1102 { 1103 /* release rc decode symbols */ 1104 if (rc_decode != NULL) 1105 symbol_put(af9005_rc_decode); 1106 if (rc_keys != NULL) 1107 symbol_put(rc_map_af9005_table); 1108 if (rc_keys_size != NULL) 1109 symbol_put(rc_map_af9005_table_size); 1110 /* deregister this driver from the USB subsystem */ 1111 usb_deregister(&af9005_usb_driver); 1112 } 1113 1114 module_init(af9005_usb_module_init); 1115 module_exit(af9005_usb_module_exit); 1116 1117 MODULE_AUTHOR("Luca Olivetti <luca@ventoso.org>"); 1118 MODULE_DESCRIPTION("Driver for Afatech 9005 DVB-T USB1.1 stick"); 1119 MODULE_VERSION("1.0"); 1120 MODULE_LICENSE("GPL"); 1121