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af9005.c
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linux-6.19.14/drivers/media/usb/dvb-usb/af9005.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* DVB USB compliant Linux driver for the Afatech 9005 3 * USB1.1 DVB-T receiver. 4 * 5 * Copyright (C) 2007 Luca Olivetti (luca@ventoso.org) 6 * 7 * Thanks to Afatech who kindly provided information. 8 * 9 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information 10 */ 11#include "af9005.h" 12 13/* debug */ 14int dvb_usb_af9005_debug; 15module_param_named(debug, dvb_usb_af9005_debug, int, 0644); 16MODULE_PARM_DESC(debug, 17 "set debugging level (1=info,xfer=2,rc=4,reg=8,i2c=16,fw=32 (or-able))." 18 DVB_USB_DEBUG_STATUS); 19/* enable obnoxious led */ 20bool dvb_usb_af9005_led = true; 21module_param_named(led, dvb_usb_af9005_led, bool, 0644); 22MODULE_PARM_DESC(led, "enable led (default: 1)."); 23 24/* eeprom dump */ 25static int dvb_usb_af9005_dump_eeprom; 26module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0); 27MODULE_PARM_DESC(dump_eeprom, "dump contents of the eeprom."); 28 29DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 30 31/* remote control decoder */ 32static int (*rc_decode) (struct dvb_usb_device *d, u8 *data, int len, 33 u32 *event, int *state); 34static void *rc_keys; 35static int *rc_keys_size; 36 37u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff }; 38 39struct af9005_device_state { 40 u8 sequence; 41 int led_state; 42 unsigned char data[256]; 43}; 44 45static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, 46 int readwrite, int type, u8 * values, int len) 47{ 48 struct af9005_device_state *st = d->priv; 49 u8 command, seq; 50 int i, ret; 51 52 if (len < 1) { 53 err("generic read/write, less than 1 byte. Makes no sense."); 54 return -EINVAL; 55 } 56 if (len > 8) { 57 err("generic read/write, more than 8 bytes. Not supported."); 58 return -EINVAL; 59 } 60 61 mutex_lock(&d->data_mutex); 62 st->data[0] = 14; /* rest of buffer length low */ 63 st->data[1] = 0; /* rest of buffer length high */ 64 65 st->data[2] = AF9005_REGISTER_RW; /* register operation */ 66 st->data[3] = 12; /* rest of buffer length */ 67 68 st->data[4] = seq = st->sequence++; /* sequence number */ 69 70 st->data[5] = (u8) (reg >> 8); /* register address */ 71 st->data[6] = (u8) (reg & 0xff); 72 73 if (type == AF9005_OFDM_REG) { 74 command = AF9005_CMD_OFDM_REG; 75 } else { 76 command = AF9005_CMD_TUNER; 77 } 78 79 if (len > 1) 80 command |= 81 AF9005_CMD_BURST | AF9005_CMD_AUTOINC | (len - 1) << 3; 82 command |= readwrite; 83 if (readwrite == AF9005_CMD_WRITE) 84 for (i = 0; i < len; i++) 85 st->data[8 + i] = values[i]; 86 else if (type == AF9005_TUNER_REG) 87 /* read command for tuner, the first byte contains the i2c address */ 88 st->data[8] = values[0]; 89 st->data[7] = command; 90 91 ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 17, 0); 92 if (ret) 93 goto ret; 94 95 /* sanity check */ 96 if (st->data[2] != AF9005_REGISTER_RW_ACK) { 97 err("generic read/write, wrong reply code."); 98 ret = -EIO; 99 goto ret; 100 } 101 if (st->data[3] != 0x0d) { 102 err("generic read/write, wrong length in reply."); 103 ret = -EIO; 104 goto ret; 105 } 106 if (st->data[4] != seq) { 107 err("generic read/write, wrong sequence in reply."); 108 ret = -EIO; 109 goto ret; 110 } 111 /* 112 * In thesis, both input and output buffers should have 113 * identical values for st->data[5] to st->data[8]. 114 * However, windows driver doesn't check these fields, in fact 115 * sometimes the register in the reply is different that what 116 * has been sent 117 */ 118 if (st->data[16] != 0x01) { 119 err("generic read/write wrong status code in reply."); 120 ret = -EIO; 121 goto ret; 122 } 123 124 if (readwrite == AF9005_CMD_READ) 125 for (i = 0; i < len; i++) 126 values[i] = st->data[8 + i]; 127 128ret: 129 mutex_unlock(&d->data_mutex); 130 return ret; 131 132} 133 134int af9005_read_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 * value) 135{ 136 int ret; 137 deb_reg("read register %x ", reg); 138 ret = af9005_generic_read_write(d, reg, 139 AF9005_CMD_READ, AF9005_OFDM_REG, 140 value, 1); 141 if (ret) 142 deb_reg("failed\n"); 143 else 144 deb_reg("value %x\n", *value); 145 return ret; 146} 147 148int af9005_read_ofdm_registers(struct dvb_usb_device *d, u16 reg, 149 u8 * values, int len) 150{ 151 int ret; 152 deb_reg("read %d registers %x ", len, reg); 153 ret = af9005_generic_read_write(d, reg, 154 AF9005_CMD_READ, AF9005_OFDM_REG, 155 values, len); 156 if (ret) 157 deb_reg("failed\n"); 158 else 159 debug_dump(values, len, deb_reg); 160 return ret; 161} 162 163int af9005_write_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 value) 164{ 165 int ret; 166 u8 temp = value; 167 deb_reg("write register %x value %x ", reg, value); 168 ret = af9005_generic_read_write(d, reg, 169 AF9005_CMD_WRITE, AF9005_OFDM_REG, 170 &temp, 1); 171 if (ret) 172 deb_reg("failed\n"); 173 else 174 deb_reg("ok\n"); 175 return ret; 176} 177 178int af9005_write_ofdm_registers(struct dvb_usb_device *d, u16 reg, 179 u8 * values, int len) 180{ 181 int ret; 182 deb_reg("write %d registers %x values ", len, reg); 183 debug_dump(values, len, deb_reg); 184 185 ret = af9005_generic_read_write(d, reg, 186 AF9005_CMD_WRITE, AF9005_OFDM_REG, 187 values, len); 188 if (ret) 189 deb_reg("failed\n"); 190 else 191 deb_reg("ok\n"); 192 return ret; 193} 194 195int af9005_read_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, 196 u8 len, u8 * value) 197{ 198 u8 temp; 199 int ret; 200 deb_reg("read bits %x %x %x", reg, pos, len); 201 ret = af9005_read_ofdm_register(d, reg, &temp); 202 if (ret) { 203 deb_reg(" failed\n"); 204 return ret; 205 } 206 *value = (temp >> pos) & regmask[len - 1]; 207 deb_reg(" value %x\n", *value); 208 return 0; 209 210} 211 212int af9005_write_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, 213 u8 len, u8 value) 214{ 215 u8 temp, mask; 216 int ret; 217 deb_reg("write bits %x %x %x value %x\n", reg, pos, len, value); 218 if (pos == 0 && len == 8) 219 return af9005_write_ofdm_register(d, reg, value); 220 ret = af9005_read_ofdm_register(d, reg, &temp); 221 if (ret) 222 return ret; 223 mask = regmask[len - 1] << pos; 224 temp = (temp & ~mask) | ((value << pos) & mask); 225 return af9005_write_ofdm_register(d, reg, temp); 226 227} 228 229static int af9005_usb_read_tuner_registers(struct dvb_usb_device *d, 230 u16 reg, u8 * values, int len) 231{ 232 return af9005_generic_read_write(d, reg, 233 AF9005_CMD_READ, AF9005_TUNER_REG, 234 values, len); 235} 236 237static int af9005_usb_write_tuner_registers(struct dvb_usb_device *d, 238 u16 reg, u8 * values, int len) 239{ 240 return af9005_generic_read_write(d, reg, 241 AF9005_CMD_WRITE, 242 AF9005_TUNER_REG, values, len); 243} 244 245int af9005_write_tuner_registers(struct dvb_usb_device *d, u16 reg, 246 u8 * values, int len) 247{ 248 /* don't let the name of this function mislead you: it's just used 249 as an interface from the firmware to the i2c bus. The actual 250 i2c addresses are contained in the data */ 251 int ret, i, done = 0, fail = 0; 252 u8 temp; 253 ret = af9005_usb_write_tuner_registers(d, reg, values, len); 254 if (ret) 255 return ret; 256 if (reg != 0xffff) { 257 /* check if write done (0xa40d bit 1) or fail (0xa40d bit 2) */ 258 for (i = 0; i < 200; i++) { 259 ret = 260 af9005_read_ofdm_register(d, 261 xd_I2C_i2c_m_status_wdat_done, 262 &temp); 263 if (ret) 264 return ret; 265 done = temp & (regmask[i2c_m_status_wdat_done_len - 1] 266 << i2c_m_status_wdat_done_pos); 267 if (done) 268 break; 269 fail = temp & (regmask[i2c_m_status_wdat_fail_len - 1] 270 << i2c_m_status_wdat_fail_pos); 271 if (fail) 272 break; 273 msleep(50); 274 } 275 if (i == 200) 276 return -ETIMEDOUT; 277 if (fail) { 278 /* clear write fail bit */ 279 af9005_write_register_bits(d, 280 xd_I2C_i2c_m_status_wdat_fail, 281 i2c_m_status_wdat_fail_pos, 282 i2c_m_status_wdat_fail_len, 283 1); 284 return -EIO; 285 } 286 /* clear write done bit */ 287 ret = 288 af9005_write_register_bits(d, 289 xd_I2C_i2c_m_status_wdat_fail, 290 i2c_m_status_wdat_done_pos, 291 i2c_m_status_wdat_done_len, 1); 292 if (ret) 293 return ret; 294 } 295 return 0; 296} 297 298int af9005_read_tuner_registers(struct dvb_usb_device *d, u16 reg, u8 addr, 299 u8 * values, int len) 300{ 301 /* don't let the name of this function mislead you: it's just used 302 as an interface from the firmware to the i2c bus. The actual 303 i2c addresses are contained in the data */ 304 int ret, i; 305 u8 temp, buf[2]; 306 307 buf[0] = addr; /* tuner i2c address */ 308 buf[1] = values[0]; /* tuner register */ 309 310 values[0] = addr + 0x01; /* i2c read address */ 311 312 if (reg == APO_REG_I2C_RW_SILICON_TUNER) { 313 /* write tuner i2c address to tuner, 0c00c0 undocumented, found by sniffing */ 314 ret = af9005_write_tuner_registers(d, 0x00c0, buf, 2); 315 if (ret) 316 return ret; 317 } 318 319 /* send read command to ofsm */ 320 ret = af9005_usb_read_tuner_registers(d, reg, values, 1); 321 if (ret) 322 return ret; 323 324 /* check if read done */ 325 for (i = 0; i < 200; i++) { 326 ret = af9005_read_ofdm_register(d, 0xa408, &temp); 327 if (ret) 328 return ret; 329 if (temp & 0x01) 330 break; 331 msleep(50); 332 } 333 if (i == 200) 334 return -ETIMEDOUT; 335 336 /* clear read done bit (by writing 1) */ 337 ret = af9005_write_ofdm_register(d, xd_I2C_i2c_m_data8, 1); 338 if (ret) 339 return ret; 340 341 /* get read data (available from 0xa400) */ 342 for (i = 0; i < len; i++) { 343 ret = af9005_read_ofdm_register(d, 0xa400 + i, &temp); 344 if (ret) 345 return ret; 346 values[i] = temp; 347 } 348 return 0; 349} 350 351static int af9005_i2c_write(struct dvb_usb_device *d, u8 i2caddr, u8 reg, 352 u8 * data, int len) 353{ 354 int ret, i; 355 u8 buf[3]; 356 deb_i2c("i2c_write i2caddr %x, reg %x, len %d data ", i2caddr, 357 reg, len); 358 debug_dump(data, len, deb_i2c); 359 360 for (i = 0; i < len; i++) { 361 buf[0] = i2caddr; 362 buf[1] = reg + (u8) i; 363 buf[2] = data[i]; 364 ret = 365 af9005_write_tuner_registers(d, 366 APO_REG_I2C_RW_SILICON_TUNER, 367 buf, 3); 368 if (ret) { 369 deb_i2c("i2c_write failed\n"); 370 return ret; 371 } 372 } 373 deb_i2c("i2c_write ok\n"); 374 return 0; 375} 376 377static int af9005_i2c_read(struct dvb_usb_device *d, u8 i2caddr, u8 reg, 378 u8 * data, int len) 379{ 380 int ret, i; 381 u8 temp; 382 deb_i2c("i2c_read i2caddr %x, reg %x, len %d\n ", i2caddr, reg, len); 383 for (i = 0; i < len; i++) { 384 temp = reg + i; 385 ret = 386 af9005_read_tuner_registers(d, 387 APO_REG_I2C_RW_SILICON_TUNER, 388 i2caddr, &temp, 1); 389 if (ret) { 390 deb_i2c("i2c_read failed\n"); 391 return ret; 392 } 393 data[i] = temp; 394 } 395 deb_i2c("i2c data read: "); 396 debug_dump(data, len, deb_i2c); 397 return 0; 398} 399 400static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 401 int num) 402{ 403 /* only implements what the mt2060 module does, don't know how 404 to make it really generic */ 405 struct dvb_usb_device *d = i2c_get_adapdata(adap); 406 int ret; 407 u8 reg, addr; 408 u8 *value; 409 410 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 411 return -EAGAIN; 412 413 if (num > 2) 414 warn("more than 2 i2c messages at a time is not handled yet. TODO."); 415 416 if (num == 2) { 417 /* reads a single register */ 418 reg = *msg[0].buf; 419 addr = msg[0].addr; 420 value = msg[1].buf; 421 ret = af9005_i2c_read(d, addr, reg, value, 1); 422 if (ret == 0) 423 ret = 2; 424 } else { 425 if (msg[0].len < 2) { 426 ret = -EOPNOTSUPP; 427 goto unlock; 428 } 429 /* write one or more registers */ 430 reg = msg[0].buf[0]; 431 addr = msg[0].addr; 432 value = &msg[0].buf[1]; 433 ret = af9005_i2c_write(d, addr, reg, value, msg[0].len - 1); 434 if (ret == 0) 435 ret = 1; 436 } 437 438unlock: 439 mutex_unlock(&d->i2c_mutex); 440 return ret; 441} 442 443static u32 af9005_i2c_func(struct i2c_adapter *adapter) 444{ 445 return I2C_FUNC_I2C; 446} 447 448static const struct i2c_algorithm af9005_i2c_algo = { 449 .master_xfer = af9005_i2c_xfer, 450 .functionality = af9005_i2c_func, 451}; 452 453int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, 454 int wlen, u8 * rbuf, int rlen) 455{ 456 struct af9005_device_state *st = d->priv; 457 458 int ret, i, packet_len; 459 u8 seq; 460 461 if (wlen < 0) { 462 err("send command, wlen less than 0 bytes. Makes no sense."); 463 return -EINVAL; 464 } 465 if (wlen > 54) { 466 err("send command, wlen more than 54 bytes. Not supported."); 467 return -EINVAL; 468 } 469 if (rlen > 54) { 470 err("send command, rlen more than 54 bytes. Not supported."); 471 return -EINVAL; 472 } 473 packet_len = wlen + 5; 474 475 mutex_lock(&d->data_mutex); 476 477 st->data[0] = (u8) (packet_len & 0xff); 478 st->data[1] = (u8) ((packet_len & 0xff00) >> 8); 479 480 st->data[2] = 0x26; /* packet type */ 481 st->data[3] = wlen + 3; 482 st->data[4] = seq = st->sequence++; 483 st->data[5] = command; 484 st->data[6] = wlen; 485 for (i = 0; i < wlen; i++) 486 st->data[7 + i] = wbuf[i]; 487 ret = dvb_usb_generic_rw(d, st->data, wlen + 7, st->data, rlen + 7, 0); 488 if (st->data[2] != 0x27) { 489 err("send command, wrong reply code."); 490 ret = -EIO; 491 } else if (st->data[4] != seq) { 492 err("send command, wrong sequence in reply."); 493 ret = -EIO; 494 } else if (st->data[5] != 0x01) { 495 err("send command, wrong status code in reply."); 496 ret = -EIO; 497 } else if (st->data[6] != rlen) { 498 err("send command, invalid data length in reply."); 499 ret = -EIO; 500 } 501 if (!ret) { 502 for (i = 0; i < rlen; i++) 503 rbuf[i] = st->data[i + 7]; 504 } 505 506 mutex_unlock(&d->data_mutex); 507 return ret; 508} 509 510int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values, 511 int len) 512{ 513 struct af9005_device_state *st = d->priv; 514 u8 seq; 515 int ret, i; 516 517 mutex_lock(&d->data_mutex); 518 519 memset(st->data, 0, sizeof(st->data)); 520 521 st->data[0] = 14; /* length of rest of packet low */ 522 st->data[1] = 0; /* length of rest of packer high */ 523 524 st->data[2] = 0x2a; /* read/write eeprom */ 525 526 st->data[3] = 12; /* size */ 527 528 st->data[4] = seq = st->sequence++; 529 530 st->data[5] = 0; /* read */ 531 532 st->data[6] = len; 533 st->data[7] = address; 534 ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 14, 0); 535 if (st->data[2] != 0x2b) { 536 err("Read eeprom, invalid reply code"); 537 ret = -EIO; 538 } else if (st->data[3] != 10) { 539 err("Read eeprom, invalid reply length"); 540 ret = -EIO; 541 } else if (st->data[4] != seq) { 542 err("Read eeprom, wrong sequence in reply "); 543 ret = -EIO; 544 } else if (st->data[5] != 1) { 545 err("Read eeprom, wrong status in reply "); 546 ret = -EIO; 547 } 548 549 if (!ret) { 550 for (i = 0; i < len; i++) 551 values[i] = st->data[6 + i]; 552 } 553 mutex_unlock(&d->data_mutex); 554 555 return ret; 556} 557 558static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply, 559 u8 *buf, int size) 560{ 561 u16 checksum; 562 int act_len = 0, i, ret; 563 564 memset(buf, 0, size); 565 buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); 566 buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff); 567 switch (type) { 568 case FW_CONFIG: 569 buf[2] = 0x11; 570 buf[3] = 0x04; 571 buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ 572 buf[5] = 0x03; 573 checksum = buf[4] + buf[5]; 574 buf[6] = (u8) ((checksum >> 8) & 0xff); 575 buf[7] = (u8) (checksum & 0xff); 576 break; 577 case FW_CONFIRM: 578 buf[2] = 0x11; 579 buf[3] = 0x04; 580 buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ 581 buf[5] = 0x01; 582 checksum = buf[4] + buf[5]; 583 buf[6] = (u8) ((checksum >> 8) & 0xff); 584 buf[7] = (u8) (checksum & 0xff); 585 break; 586 case FW_BOOT: 587 buf[2] = 0x10; 588 buf[3] = 0x08; 589 buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */ 590 buf[5] = 0x97; 591 buf[6] = 0xaa; 592 buf[7] = 0x55; 593 buf[8] = 0xa5; 594 buf[9] = 0x5a; 595 checksum = 0; 596 for (i = 4; i <= 9; i++) 597 checksum += buf[i]; 598 buf[10] = (u8) ((checksum >> 8) & 0xff); 599 buf[11] = (u8) (checksum & 0xff); 600 break; 601 default: 602 err("boot packet invalid boot packet type"); 603 return -EINVAL; 604 } 605 deb_fw(">>> "); 606 debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw); 607 608 ret = usb_bulk_msg(udev, 609 usb_sndbulkpipe(udev, 0x02), 610 buf, FW_BULKOUT_SIZE + 2, &act_len, 2000); 611 if (ret) 612 err("boot packet bulk message failed: %d (%d/%d)", ret, 613 FW_BULKOUT_SIZE + 2, act_len); 614 else 615 ret = act_len != FW_BULKOUT_SIZE + 2 ? -1 : 0; 616 if (ret) 617 return ret; 618 memset(buf, 0, 9); 619 ret = usb_bulk_msg(udev, 620 usb_rcvbulkpipe(udev, 0x01), buf, 9, &act_len, 2000); 621 if (ret) { 622 err("boot packet recv bulk message failed: %d", ret); 623 return ret; 624 } 625 deb_fw("<<< "); 626 debug_dump(buf, act_len, deb_fw); 627 checksum = 0; 628 switch (type) { 629 case FW_CONFIG: 630 if (buf[2] != 0x11) { 631 err("boot bad config header."); 632 return -EIO; 633 } 634 if (buf[3] != 0x05) { 635 err("boot bad config size."); 636 return -EIO; 637 } 638 if (buf[4] != 0x00) { 639 err("boot bad config sequence."); 640 return -EIO; 641 } 642 if (buf[5] != 0x04) { 643 err("boot bad config subtype."); 644 return -EIO; 645 } 646 for (i = 4; i <= 6; i++) 647 checksum += buf[i]; 648 if (buf[7] * 256 + buf[8] != checksum) { 649 err("boot bad config checksum."); 650 return -EIO; 651 } 652 *reply = buf[6]; 653 break; 654 case FW_CONFIRM: 655 if (buf[2] != 0x11) { 656 err("boot bad confirm header."); 657 return -EIO; 658 } 659 if (buf[3] != 0x05) { 660 err("boot bad confirm size."); 661 return -EIO; 662 } 663 if (buf[4] != 0x00) { 664 err("boot bad confirm sequence."); 665 return -EIO; 666 } 667 if (buf[5] != 0x02) { 668 err("boot bad confirm subtype."); 669 return -EIO; 670 } 671 for (i = 4; i <= 6; i++) 672 checksum += buf[i]; 673 if (buf[7] * 256 + buf[8] != checksum) { 674 err("boot bad confirm checksum."); 675 return -EIO; 676 } 677 *reply = buf[6]; 678 break; 679 case FW_BOOT: 680 if (buf[2] != 0x10) { 681 err("boot bad boot header."); 682 return -EIO; 683 } 684 if (buf[3] != 0x05) { 685 err("boot bad boot size."); 686 return -EIO; 687 } 688 if (buf[4] != 0x00) { 689 err("boot bad boot sequence."); 690 return -EIO; 691 } 692 if (buf[5] != 0x01) { 693 err("boot bad boot pattern 01."); 694 return -EIO; 695 } 696 if (buf[6] != 0x10) { 697 err("boot bad boot pattern 10."); 698 return -EIO; 699 } 700 for (i = 4; i <= 6; i++) 701 checksum += buf[i]; 702 if (buf[7] * 256 + buf[8] != checksum) { 703 err("boot bad boot checksum."); 704 return -EIO; 705 } 706 break; 707 708 } 709 710 return 0; 711} 712 713static int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw) 714{ 715 int i, packets, ret, act_len; 716 717 u8 *buf; 718 u8 reply; 719 720 buf = kmalloc(FW_BULKOUT_SIZE + 2, GFP_KERNEL); 721 if (!buf) 722 return -ENOMEM; 723 724 ret = af9005_boot_packet(udev, FW_CONFIG, &reply, buf, 725 FW_BULKOUT_SIZE + 2); 726 if (ret) 727 goto err; 728 if (reply != 0x01) { 729 err("before downloading firmware, FW_CONFIG expected 0x01, received 0x%x", reply); 730 ret = -EIO; 731 goto err; 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 goto err; 747 } 748 } 749 ret = af9005_boot_packet(udev, FW_CONFIRM, &reply, 750 buf, FW_BULKOUT_SIZE + 2); 751 if (ret) 752 goto err; 753 if (reply != (u8) (packets & 0xff)) { 754 err("after downloading firmware, FW_CONFIRM expected 0x%x, received 0x%x", packets & 0xff, reply); 755 ret = -EIO; 756 goto err; 757 } 758 ret = af9005_boot_packet(udev, FW_BOOT, &reply, buf, 759 FW_BULKOUT_SIZE + 2); 760 if (ret) 761 goto err; 762 ret = af9005_boot_packet(udev, FW_CONFIG, &reply, buf, 763 FW_BULKOUT_SIZE + 2); 764 if (ret) 765 goto err; 766 if (reply != 0x02) { 767 err("after downloading firmware, FW_CONFIG expected 0x02, received 0x%x", reply); 768 ret = -EIO; 769 goto err; 770 } 771 772err: 773 kfree(buf); 774 return ret; 775 776} 777 778int af9005_led_control(struct dvb_usb_device *d, int onoff) 779{ 780 struct af9005_device_state *st = d->priv; 781 int temp, ret; 782 783 if (onoff && dvb_usb_af9005_led) 784 temp = 1; 785 else 786 temp = 0; 787 if (st->led_state != temp) { 788 ret = 789 af9005_write_register_bits(d, xd_p_reg_top_locken1, 790 reg_top_locken1_pos, 791 reg_top_locken1_len, temp); 792 if (ret) 793 return ret; 794 ret = 795 af9005_write_register_bits(d, xd_p_reg_top_lock1, 796 reg_top_lock1_pos, 797 reg_top_lock1_len, temp); 798 if (ret) 799 return ret; 800 st->led_state = temp; 801 } 802 return 0; 803} 804 805static int af9005_frontend_attach(struct dvb_usb_adapter *adap) 806{ 807 u8 buf[8]; 808 int i; 809 810 /* without these calls the first commands after downloading 811 the firmware fail. I put these calls here to simulate 812 what it is done in dvb-usb-init.c. 813 */ 814 struct usb_device *udev = adap->dev->udev; 815 usb_clear_halt(udev, usb_sndbulkpipe(udev, 2)); 816 usb_clear_halt(udev, usb_rcvbulkpipe(udev, 1)); 817 if (dvb_usb_af9005_dump_eeprom) { 818 printk("EEPROM DUMP\n"); 819 for (i = 0; i < 255; i += 8) { 820 af9005_read_eeprom(adap->dev, i, buf, 8); 821 debug_dump(buf, 8, printk); 822 } 823 } 824 adap->fe_adap[0].fe = af9005_fe_attach(adap->dev); 825 return 0; 826} 827 828static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state) 829{ 830 struct af9005_device_state *st = d->priv; 831 int ret, len; 832 u8 seq; 833 834 *state = REMOTE_NO_KEY_PRESSED; 835 if (rc_decode == NULL) { 836 /* it shouldn't never come here */ 837 return 0; 838 } 839 840 mutex_lock(&d->data_mutex); 841 842 /* deb_info("rc_query\n"); */ 843 st->data[0] = 3; /* rest of packet length low */ 844 st->data[1] = 0; /* rest of packet length high */ 845 st->data[2] = 0x40; /* read remote */ 846 st->data[3] = 1; /* rest of packet length */ 847 st->data[4] = seq = st->sequence++; /* sequence number */ 848 ret = dvb_usb_generic_rw(d, st->data, 5, st->data, 256, 0); 849 if (ret) { 850 err("rc query failed"); 851 goto ret; 852 } 853 if (st->data[2] != 0x41) { 854 err("rc query bad header."); 855 ret = -EIO; 856 goto ret; 857 } else if (st->data[4] != seq) { 858 err("rc query bad sequence."); 859 ret = -EIO; 860 goto ret; 861 } 862 len = st->data[5]; 863 if (len > 246) { 864 err("rc query invalid length"); 865 ret = -EIO; 866 goto ret; 867 } 868 if (len > 0) { 869 deb_rc("rc data (%d) ", len); 870 debug_dump((st->data + 6), len, deb_rc); 871 ret = rc_decode(d, &st->data[6], len, event, state); 872 if (ret) { 873 err("rc_decode failed"); 874 goto ret; 875 } else { 876 deb_rc("rc_decode state %x event %x\n", *state, *event); 877 if (*state == REMOTE_KEY_REPEAT) 878 *event = d->last_event; 879 } 880 } 881 882ret: 883 mutex_unlock(&d->data_mutex); 884 return ret; 885} 886 887static int af9005_power_ctrl(struct dvb_usb_device *d, int onoff) 888{ 889 890 return 0; 891} 892 893static int af9005_pid_filter_control(struct dvb_usb_adapter *adap, int onoff) 894{ 895 int ret; 896 deb_info("pid filter control onoff %d\n", onoff); 897 if (onoff) { 898 ret = 899 af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1); 900 if (ret) 901 return ret; 902 ret = 903 af9005_write_register_bits(adap->dev, 904 XD_MP2IF_DMX_CTRL, 1, 1, 1); 905 if (ret) 906 return ret; 907 ret = 908 af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1); 909 } else 910 ret = 911 af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 0); 912 if (ret) 913 return ret; 914 deb_info("pid filter control ok\n"); 915 return 0; 916} 917 918static int af9005_pid_filter(struct dvb_usb_adapter *adap, int index, 919 u16 pid, int onoff) 920{ 921 u8 cmd = index & 0x1f; 922 int ret; 923 deb_info("set pid filter, index %d, pid %x, onoff %d\n", index, 924 pid, onoff); 925 if (onoff) { 926 /* cannot use it as pid_filter_ctrl since it has to be done 927 before setting the first pid */ 928 if (adap->feedcount == 1) { 929 deb_info("first pid set, enable pid table\n"); 930 ret = af9005_pid_filter_control(adap, onoff); 931 if (ret) 932 return ret; 933 } 934 ret = 935 af9005_write_ofdm_register(adap->dev, 936 XD_MP2IF_PID_DATA_L, 937 (u8) (pid & 0xff)); 938 if (ret) 939 return ret; 940 ret = 941 af9005_write_ofdm_register(adap->dev, 942 XD_MP2IF_PID_DATA_H, 943 (u8) (pid >> 8)); 944 if (ret) 945 return ret; 946 cmd |= 0x20 | 0x40; 947 } else { 948 if (adap->feedcount == 0) { 949 deb_info("last pid unset, disable pid table\n"); 950 ret = af9005_pid_filter_control(adap, onoff); 951 if (ret) 952 return ret; 953 } 954 } 955 ret = af9005_write_ofdm_register(adap->dev, XD_MP2IF_PID_IDX, cmd); 956 if (ret) 957 return ret; 958 deb_info("set pid ok\n"); 959 return 0; 960} 961 962static int af9005_identify_state(struct usb_device *udev, 963 const struct dvb_usb_device_properties *props, 964 const struct dvb_usb_device_description **desc, 965 int *cold) 966{ 967 int ret; 968 u8 reply, *buf; 969 970 buf = kmalloc(FW_BULKOUT_SIZE + 2, GFP_KERNEL); 971 if (!buf) 972 return -ENOMEM; 973 974 ret = af9005_boot_packet(udev, FW_CONFIG, &reply, 975 buf, FW_BULKOUT_SIZE + 2); 976 if (ret) 977 goto err; 978 deb_info("result of FW_CONFIG in identify state %d\n", reply); 979 if (reply == 0x01) 980 *cold = 1; 981 else if (reply == 0x02) 982 *cold = 0; 983 else 984 ret = -EIO; 985 if (!ret) 986 deb_info("Identify state cold = %d\n", *cold); 987 988err: 989 kfree(buf); 990 return ret; 991} 992 993static struct dvb_usb_device_properties af9005_properties; 994 995static int af9005_usb_probe(struct usb_interface *intf, 996 const struct usb_device_id *id) 997{ 998 return dvb_usb_device_init(intf, &af9005_properties, 999 THIS_MODULE, NULL, adapter_nr); 1000} 1001 1002enum { 1003 AFATECH_AF9005, 1004 TERRATEC_CINERGY_T_USB_XE, 1005 ANSONIC_DVBT_USB, 1006}; 1007 1008static const struct usb_device_id af9005_usb_table[] = { 1009 DVB_USB_DEV(AFATECH, AFATECH_AF9005), 1010 DVB_USB_DEV(TERRATEC, TERRATEC_CINERGY_T_USB_XE), 1011 DVB_USB_DEV(ANSONIC, ANSONIC_DVBT_USB), 1012 { } 1013}; 1014 1015MODULE_DEVICE_TABLE(usb, af9005_usb_table); 1016 1017static struct dvb_usb_device_properties af9005_properties = { 1018 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 1019 1020 .usb_ctrl = DEVICE_SPECIFIC, 1021 .firmware = "af9005.fw", 1022 .download_firmware = af9005_download_firmware, 1023 .no_reconnect = 1, 1024 1025 .size_of_priv = sizeof(struct af9005_device_state), 1026 1027 .num_adapters = 1, 1028 .adapter = { 1029 { 1030 .num_frontends = 1, 1031 .fe = {{ 1032 .caps = 1033 DVB_USB_ADAP_HAS_PID_FILTER | 1034 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1035 .pid_filter_count = 32, 1036 .pid_filter = af9005_pid_filter, 1037 /* .pid_filter_ctrl = af9005_pid_filter_control, */ 1038 .frontend_attach = af9005_frontend_attach, 1039 /* .tuner_attach = af9005_tuner_attach, */ 1040 /* parameter for the MPEG2-data transfer */ 1041 .stream = { 1042 .type = USB_BULK, 1043 .count = 10, 1044 .endpoint = 0x04, 1045 .u = { 1046 .bulk = { 1047 .buffersize = 4096, /* actual size seen is 3948 */ 1048 } 1049 } 1050 }, 1051 }}, 1052 } 1053 }, 1054 .power_ctrl = af9005_power_ctrl, 1055 .identify_state = af9005_identify_state, 1056 1057 .i2c_algo = &af9005_i2c_algo, 1058 1059 .rc.legacy = { 1060 .rc_interval = 200, 1061 .rc_map_table = NULL, 1062 .rc_map_size = 0, 1063 .rc_query = af9005_rc_query, 1064 }, 1065 1066 .generic_bulk_ctrl_endpoint = 2, 1067 .generic_bulk_ctrl_endpoint_response = 1, 1068 1069 .num_device_descs = 3, 1070 .devices = { 1071 {.name = "Afatech DVB-T USB1.1 stick", 1072 .cold_ids = {&af9005_usb_table[AFATECH_AF9005], NULL}, 1073 .warm_ids = {NULL}, 1074 }, 1075 {.name = "TerraTec Cinergy T USB XE", 1076 .cold_ids = {&af9005_usb_table[TERRATEC_CINERGY_T_USB_XE], NULL}, 1077 .warm_ids = {NULL}, 1078 }, 1079 {.name = "Ansonic DVB-T USB1.1 stick", 1080 .cold_ids = {&af9005_usb_table[ANSONIC_DVBT_USB], NULL}, 1081 .warm_ids = {NULL}, 1082 }, 1083 {NULL}, 1084 } 1085}; 1086 1087/* usb specific object needed to register this driver with the usb subsystem */ 1088static struct usb_driver af9005_usb_driver = { 1089 .name = "dvb_usb_af9005", 1090 .probe = af9005_usb_probe, 1091 .disconnect = dvb_usb_device_exit, 1092 .id_table = af9005_usb_table, 1093}; 1094 1095/* module stuff */ 1096static int __init af9005_usb_module_init(void) 1097{ 1098 int result; 1099 if ((result = usb_register(&af9005_usb_driver))) { 1100 err("usb_register failed. (%d)", result); 1101 return result; 1102 } 1103#if IS_MODULE(CONFIG_DVB_USB_AF9005) || defined(CONFIG_DVB_USB_AF9005_REMOTE) 1104 /* FIXME: convert to todays kernel IR infrastructure */ 1105 rc_decode = symbol_request(af9005_rc_decode); 1106 rc_keys = symbol_request(rc_map_af9005_table); 1107 rc_keys_size = symbol_request(rc_map_af9005_table_size); 1108#endif 1109 if (rc_decode == NULL || rc_keys == NULL || rc_keys_size == NULL) { 1110 err("af9005_rc_decode function not found, disabling remote"); 1111 af9005_properties.rc.legacy.rc_query = NULL; 1112 } else { 1113 af9005_properties.rc.legacy.rc_map_table = rc_keys; 1114 af9005_properties.rc.legacy.rc_map_size = *rc_keys_size; 1115 } 1116 1117 return 0; 1118} 1119 1120static void __exit af9005_usb_module_exit(void) 1121{ 1122 /* release rc decode symbols */ 1123 if (rc_decode != NULL) 1124 symbol_put(af9005_rc_decode); 1125 if (rc_keys != NULL) 1126 symbol_put(rc_map_af9005_table); 1127 if (rc_keys_size != NULL) 1128 symbol_put(rc_map_af9005_table_size); 1129 /* deregister this driver from the USB subsystem */ 1130 usb_deregister(&af9005_usb_driver); 1131} 1132 1133module_init(af9005_usb_module_init); 1134module_exit(af9005_usb_module_exit); 1135 1136MODULE_AUTHOR("Luca Olivetti <luca@ventoso.org>"); 1137MODULE_DESCRIPTION("Driver for Afatech 9005 DVB-T USB1.1 stick"); 1138MODULE_VERSION("1.0"); 1139MODULE_LICENSE("GPL");
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