1 /* 2 * Afatech AF9035 DVB USB driver 3 * 4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> 5 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 20 */ 21 22 #include "af9035.h" 23 24 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 25 26 static u16 af9035_checksum(const u8 *buf, size_t len) 27 { 28 size_t i; 29 u16 checksum = 0; 30 31 for (i = 1; i < len; i++) { 32 if (i % 2) 33 checksum += buf[i] << 8; 34 else 35 checksum += buf[i]; 36 } 37 checksum = ~checksum; 38 39 return checksum; 40 } 41 42 static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req) 43 { 44 #define REQ_HDR_LEN 4 /* send header size */ 45 #define ACK_HDR_LEN 3 /* rece header size */ 46 #define CHECKSUM_LEN 2 47 #define USB_TIMEOUT 2000 48 struct state *state = d_to_priv(d); 49 int ret, wlen, rlen; 50 u16 checksum, tmp_checksum; 51 52 mutex_lock(&d->usb_mutex); 53 54 /* buffer overflow check */ 55 if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) || 56 req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) { 57 dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n", 58 KBUILD_MODNAME, req->wlen, req->rlen); 59 ret = -EINVAL; 60 goto exit; 61 } 62 63 state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1; 64 state->buf[1] = req->mbox; 65 state->buf[2] = req->cmd; 66 state->buf[3] = state->seq++; 67 memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen); 68 69 wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN; 70 rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN; 71 72 /* calc and add checksum */ 73 checksum = af9035_checksum(state->buf, state->buf[0] - 1); 74 state->buf[state->buf[0] - 1] = (checksum >> 8); 75 state->buf[state->buf[0] - 0] = (checksum & 0xff); 76 77 /* no ack for these packets */ 78 if (req->cmd == CMD_FW_DL) 79 rlen = 0; 80 81 ret = dvb_usbv2_generic_rw_locked(d, 82 state->buf, wlen, state->buf, rlen); 83 if (ret) 84 goto exit; 85 86 /* no ack for those packets */ 87 if (req->cmd == CMD_FW_DL) 88 goto exit; 89 90 /* verify checksum */ 91 checksum = af9035_checksum(state->buf, rlen - 2); 92 tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1]; 93 if (tmp_checksum != checksum) { 94 dev_err(&d->udev->dev, 95 "%s: command=%02x checksum mismatch (%04x != %04x)\n", 96 KBUILD_MODNAME, req->cmd, tmp_checksum, 97 checksum); 98 ret = -EIO; 99 goto exit; 100 } 101 102 /* check status */ 103 if (state->buf[2]) { 104 /* fw returns status 1 when IR code was not received */ 105 if (req->cmd == CMD_IR_GET || state->buf[2] == 1) { 106 ret = 1; 107 goto exit; 108 } 109 110 dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n", 111 __func__, req->cmd, state->buf[2]); 112 ret = -EIO; 113 goto exit; 114 } 115 116 /* read request, copy returned data to return buf */ 117 if (req->rlen) 118 memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen); 119 exit: 120 mutex_unlock(&d->usb_mutex); 121 if (ret < 0) 122 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 123 return ret; 124 } 125 126 /* write multiple registers */ 127 static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) 128 { 129 u8 wbuf[6 + len]; 130 u8 mbox = (reg >> 16) & 0xff; 131 struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL }; 132 133 wbuf[0] = len; 134 wbuf[1] = 2; 135 wbuf[2] = 0; 136 wbuf[3] = 0; 137 wbuf[4] = (reg >> 8) & 0xff; 138 wbuf[5] = (reg >> 0) & 0xff; 139 memcpy(&wbuf[6], val, len); 140 141 return af9035_ctrl_msg(d, &req); 142 } 143 144 /* read multiple registers */ 145 static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) 146 { 147 u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff }; 148 u8 mbox = (reg >> 16) & 0xff; 149 struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val }; 150 151 return af9035_ctrl_msg(d, &req); 152 } 153 154 /* write single register */ 155 static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val) 156 { 157 return af9035_wr_regs(d, reg, &val, 1); 158 } 159 160 /* read single register */ 161 static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val) 162 { 163 return af9035_rd_regs(d, reg, val, 1); 164 } 165 166 /* write single register with mask */ 167 static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val, 168 u8 mask) 169 { 170 int ret; 171 u8 tmp; 172 173 /* no need for read if whole reg is written */ 174 if (mask != 0xff) { 175 ret = af9035_rd_regs(d, reg, &tmp, 1); 176 if (ret) 177 return ret; 178 179 val &= mask; 180 tmp &= ~mask; 181 val |= tmp; 182 } 183 184 return af9035_wr_regs(d, reg, &val, 1); 185 } 186 187 static int af9035_i2c_master_xfer(struct i2c_adapter *adap, 188 struct i2c_msg msg[], int num) 189 { 190 struct dvb_usb_device *d = i2c_get_adapdata(adap); 191 struct state *state = d_to_priv(d); 192 int ret; 193 194 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 195 return -EAGAIN; 196 197 /* 198 * I2C sub header is 5 bytes long. Meaning of those bytes are: 199 * 0: data len 200 * 1: I2C addr << 1 201 * 2: reg addr len 202 * byte 3 and 4 can be used as reg addr 203 * 3: reg addr MSB 204 * used when reg addr len is set to 2 205 * 4: reg addr LSB 206 * used when reg addr len is set to 1 or 2 207 * 208 * For the simplify we do not use register addr at all. 209 * NOTE: As a firmware knows tuner type there is very small possibility 210 * there could be some tuner I2C hacks done by firmware and this may 211 * lead problems if firmware expects those bytes are used. 212 */ 213 if (num == 2 && !(msg[0].flags & I2C_M_RD) && 214 (msg[1].flags & I2C_M_RD)) { 215 if (msg[0].len > 40 || msg[1].len > 40) { 216 /* TODO: correct limits > 40 */ 217 ret = -EOPNOTSUPP; 218 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) || 219 (msg[0].addr == state->af9033_config[1].i2c_addr)) { 220 /* demod access via firmware interface */ 221 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | 222 msg[0].buf[2]; 223 224 if (msg[0].addr == state->af9033_config[1].i2c_addr) 225 reg |= 0x100000; 226 227 ret = af9035_rd_regs(d, reg, &msg[1].buf[0], 228 msg[1].len); 229 } else { 230 /* I2C */ 231 u8 buf[5 + msg[0].len]; 232 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), 233 buf, msg[1].len, msg[1].buf }; 234 req.mbox |= ((msg[0].addr & 0x80) >> 3); 235 buf[0] = msg[1].len; 236 buf[1] = msg[0].addr << 1; 237 buf[2] = 0x00; /* reg addr len */ 238 buf[3] = 0x00; /* reg addr MSB */ 239 buf[4] = 0x00; /* reg addr LSB */ 240 memcpy(&buf[5], msg[0].buf, msg[0].len); 241 ret = af9035_ctrl_msg(d, &req); 242 } 243 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { 244 if (msg[0].len > 40) { 245 /* TODO: correct limits > 40 */ 246 ret = -EOPNOTSUPP; 247 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) || 248 (msg[0].addr == state->af9033_config[1].i2c_addr)) { 249 /* demod access via firmware interface */ 250 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | 251 msg[0].buf[2]; 252 253 if (msg[0].addr == state->af9033_config[1].i2c_addr) 254 reg |= 0x100000; 255 256 ret = af9035_wr_regs(d, reg, &msg[0].buf[3], 257 msg[0].len - 3); 258 } else { 259 /* I2C */ 260 u8 buf[5 + msg[0].len]; 261 struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf, 262 0, NULL }; 263 req.mbox |= ((msg[0].addr & 0x80) >> 3); 264 buf[0] = msg[0].len; 265 buf[1] = msg[0].addr << 1; 266 buf[2] = 0x00; /* reg addr len */ 267 buf[3] = 0x00; /* reg addr MSB */ 268 buf[4] = 0x00; /* reg addr LSB */ 269 memcpy(&buf[5], msg[0].buf, msg[0].len); 270 ret = af9035_ctrl_msg(d, &req); 271 } 272 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) { 273 if (msg[0].len > 40) { 274 /* TODO: correct limits > 40 */ 275 ret = -EOPNOTSUPP; 276 } else { 277 /* I2C */ 278 u8 buf[5]; 279 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), 280 buf, msg[0].len, msg[0].buf }; 281 req.mbox |= ((msg[0].addr & 0x80) >> 3); 282 buf[0] = msg[0].len; 283 buf[1] = msg[0].addr << 1; 284 buf[2] = 0x00; /* reg addr len */ 285 buf[3] = 0x00; /* reg addr MSB */ 286 buf[4] = 0x00; /* reg addr LSB */ 287 ret = af9035_ctrl_msg(d, &req); 288 } 289 } else { 290 /* 291 * We support only three kind of I2C transactions: 292 * 1) 1 x read + 1 x write (repeated start) 293 * 2) 1 x write 294 * 3) 1 x read 295 */ 296 ret = -EOPNOTSUPP; 297 } 298 299 mutex_unlock(&d->i2c_mutex); 300 301 if (ret < 0) 302 return ret; 303 else 304 return num; 305 } 306 307 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter) 308 { 309 return I2C_FUNC_I2C; 310 } 311 312 static struct i2c_algorithm af9035_i2c_algo = { 313 .master_xfer = af9035_i2c_master_xfer, 314 .functionality = af9035_i2c_functionality, 315 }; 316 317 static int af9035_identify_state(struct dvb_usb_device *d, const char **name) 318 { 319 struct state *state = d_to_priv(d); 320 int ret; 321 u8 wbuf[1] = { 1 }; 322 u8 rbuf[4]; 323 struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf, 324 sizeof(rbuf), rbuf }; 325 326 ret = af9035_rd_regs(d, 0x1222, rbuf, 3); 327 if (ret < 0) 328 goto err; 329 330 state->chip_version = rbuf[0]; 331 state->chip_type = rbuf[2] << 8 | rbuf[1] << 0; 332 333 ret = af9035_rd_reg(d, 0x384f, &state->prechip_version); 334 if (ret < 0) 335 goto err; 336 337 dev_info(&d->udev->dev, 338 "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n", 339 KBUILD_MODNAME, state->prechip_version, 340 state->chip_version, state->chip_type); 341 342 if (state->chip_type == 0x9135) { 343 if (state->chip_version == 0x02) 344 *name = AF9035_FIRMWARE_IT9135_V2; 345 else 346 *name = AF9035_FIRMWARE_IT9135_V1; 347 state->eeprom_addr = EEPROM_BASE_IT9135; 348 } else { 349 *name = AF9035_FIRMWARE_AF9035; 350 state->eeprom_addr = EEPROM_BASE_AF9035; 351 } 352 353 ret = af9035_ctrl_msg(d, &req); 354 if (ret < 0) 355 goto err; 356 357 dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf); 358 if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3]) 359 ret = WARM; 360 else 361 ret = COLD; 362 363 return ret; 364 365 err: 366 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 367 368 return ret; 369 } 370 371 static int af9035_download_firmware_old(struct dvb_usb_device *d, 372 const struct firmware *fw) 373 { 374 int ret, i, j, len; 375 u8 wbuf[1]; 376 struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; 377 struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL }; 378 u8 hdr_core; 379 u16 hdr_addr, hdr_data_len, hdr_checksum; 380 #define MAX_DATA 58 381 #define HDR_SIZE 7 382 383 /* 384 * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info! 385 * 386 * byte 0: MCS 51 core 387 * There are two inside the AF9035 (1=Link and 2=OFDM) with separate 388 * address spaces 389 * byte 1-2: Big endian destination address 390 * byte 3-4: Big endian number of data bytes following the header 391 * byte 5-6: Big endian header checksum, apparently ignored by the chip 392 * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256) 393 */ 394 395 for (i = fw->size; i > HDR_SIZE;) { 396 hdr_core = fw->data[fw->size - i + 0]; 397 hdr_addr = fw->data[fw->size - i + 1] << 8; 398 hdr_addr |= fw->data[fw->size - i + 2] << 0; 399 hdr_data_len = fw->data[fw->size - i + 3] << 8; 400 hdr_data_len |= fw->data[fw->size - i + 4] << 0; 401 hdr_checksum = fw->data[fw->size - i + 5] << 8; 402 hdr_checksum |= fw->data[fw->size - i + 6] << 0; 403 404 dev_dbg(&d->udev->dev, 405 "%s: core=%d addr=%04x data_len=%d checksum=%04x\n", 406 __func__, hdr_core, hdr_addr, hdr_data_len, 407 hdr_checksum); 408 409 if (((hdr_core != 1) && (hdr_core != 2)) || 410 (hdr_data_len > i)) { 411 dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__); 412 break; 413 } 414 415 /* download begin packet */ 416 req.cmd = CMD_FW_DL_BEGIN; 417 ret = af9035_ctrl_msg(d, &req); 418 if (ret < 0) 419 goto err; 420 421 /* download firmware packet(s) */ 422 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) { 423 len = j; 424 if (len > MAX_DATA) 425 len = MAX_DATA; 426 req_fw_dl.wlen = len; 427 req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i + 428 HDR_SIZE + hdr_data_len - j]; 429 ret = af9035_ctrl_msg(d, &req_fw_dl); 430 if (ret < 0) 431 goto err; 432 } 433 434 /* download end packet */ 435 req.cmd = CMD_FW_DL_END; 436 ret = af9035_ctrl_msg(d, &req); 437 if (ret < 0) 438 goto err; 439 440 i -= hdr_data_len + HDR_SIZE; 441 442 dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n", 443 __func__, fw->size - i); 444 } 445 446 /* print warn if firmware is bad, continue and see what happens */ 447 if (i) 448 dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME); 449 450 return 0; 451 452 err: 453 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 454 455 return ret; 456 } 457 458 static int af9035_download_firmware_new(struct dvb_usb_device *d, 459 const struct firmware *fw) 460 { 461 int ret, i, i_prev; 462 struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL }; 463 #define HDR_SIZE 7 464 465 /* 466 * There seems to be following firmware header. Meaning of bytes 0-3 467 * is unknown. 468 * 469 * 0: 3 470 * 1: 0, 1 471 * 2: 0 472 * 3: 1, 2, 3 473 * 4: addr MSB 474 * 5: addr LSB 475 * 6: count of data bytes ? 476 */ 477 for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) { 478 if (i == fw->size || 479 (fw->data[i + 0] == 0x03 && 480 (fw->data[i + 1] == 0x00 || 481 fw->data[i + 1] == 0x01) && 482 fw->data[i + 2] == 0x00)) { 483 req_fw_dl.wlen = i - i_prev; 484 req_fw_dl.wbuf = (u8 *) &fw->data[i_prev]; 485 i_prev = i; 486 ret = af9035_ctrl_msg(d, &req_fw_dl); 487 if (ret < 0) 488 goto err; 489 490 dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n", 491 __func__, i); 492 } 493 } 494 495 return 0; 496 497 err: 498 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 499 500 return ret; 501 } 502 503 static int af9035_download_firmware(struct dvb_usb_device *d, 504 const struct firmware *fw) 505 { 506 struct state *state = d_to_priv(d); 507 int ret; 508 u8 wbuf[1]; 509 u8 rbuf[4]; 510 u8 tmp; 511 struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; 512 struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf }; 513 dev_dbg(&d->udev->dev, "%s:\n", __func__); 514 515 /* 516 * In case of dual tuner configuration we need to do some extra 517 * initialization in order to download firmware to slave demod too, 518 * which is done by master demod. 519 * Master feeds also clock and controls power via GPIO. 520 */ 521 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp); 522 if (ret < 0) 523 goto err; 524 525 if (tmp == 1 || tmp == 3) { 526 /* configure gpioh1, reset & power slave demod */ 527 ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01); 528 if (ret < 0) 529 goto err; 530 531 ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01); 532 if (ret < 0) 533 goto err; 534 535 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01); 536 if (ret < 0) 537 goto err; 538 539 usleep_range(10000, 50000); 540 541 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01); 542 if (ret < 0) 543 goto err; 544 545 /* tell the slave I2C address */ 546 ret = af9035_rd_reg(d, 547 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR, 548 &tmp); 549 if (ret < 0) 550 goto err; 551 552 if (state->chip_type == 0x9135) { 553 ret = af9035_wr_reg(d, 0x004bfb, tmp); 554 if (ret < 0) 555 goto err; 556 } else { 557 ret = af9035_wr_reg(d, 0x00417f, tmp); 558 if (ret < 0) 559 goto err; 560 561 /* enable clock out */ 562 ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01); 563 if (ret < 0) 564 goto err; 565 } 566 } 567 568 if (fw->data[0] == 0x01) 569 ret = af9035_download_firmware_old(d, fw); 570 else 571 ret = af9035_download_firmware_new(d, fw); 572 if (ret < 0) 573 goto err; 574 575 /* firmware loaded, request boot */ 576 req.cmd = CMD_FW_BOOT; 577 ret = af9035_ctrl_msg(d, &req); 578 if (ret < 0) 579 goto err; 580 581 /* ensure firmware starts */ 582 wbuf[0] = 1; 583 ret = af9035_ctrl_msg(d, &req_fw_ver); 584 if (ret < 0) 585 goto err; 586 587 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) { 588 dev_err(&d->udev->dev, "%s: firmware did not run\n", 589 KBUILD_MODNAME); 590 ret = -ENODEV; 591 goto err; 592 } 593 594 dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d", 595 KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]); 596 597 return 0; 598 599 err: 600 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 601 602 return ret; 603 } 604 605 static int af9035_read_config(struct dvb_usb_device *d) 606 { 607 struct state *state = d_to_priv(d); 608 int ret, i; 609 u8 tmp; 610 u16 tmp16, addr; 611 612 /* demod I2C "address" */ 613 state->af9033_config[0].i2c_addr = 0x38; 614 state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; 615 state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; 616 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB; 617 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL; 618 619 /* eeprom memory mapped location */ 620 if (state->chip_type == 0x9135) { 621 if (state->chip_version == 0x02) { 622 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60; 623 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60; 624 tmp16 = 0x00461d; 625 } else { 626 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38; 627 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38; 628 tmp16 = 0x00461b; 629 } 630 631 /* check if eeprom exists */ 632 ret = af9035_rd_reg(d, tmp16, &tmp); 633 if (ret < 0) 634 goto err; 635 636 if (tmp == 0x00) { 637 dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__); 638 goto skip_eeprom; 639 } 640 } 641 642 /* check if there is dual tuners */ 643 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp); 644 if (ret < 0) 645 goto err; 646 647 if (tmp == 1 || tmp == 3) 648 state->dual_mode = true; 649 650 dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__, 651 tmp, state->dual_mode); 652 653 if (state->dual_mode) { 654 /* read 2nd demodulator I2C address */ 655 ret = af9035_rd_reg(d, 656 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR, 657 &tmp); 658 if (ret < 0) 659 goto err; 660 661 state->af9033_config[1].i2c_addr = tmp; 662 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n", 663 __func__, tmp); 664 } 665 666 addr = state->eeprom_addr; 667 668 for (i = 0; i < state->dual_mode + 1; i++) { 669 /* tuner */ 670 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp); 671 if (ret < 0) 672 goto err; 673 674 if (tmp == 0x00) 675 dev_dbg(&d->udev->dev, 676 "%s: [%d]tuner not set, using default\n", 677 __func__, i); 678 else 679 state->af9033_config[i].tuner = tmp; 680 681 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n", 682 __func__, i, state->af9033_config[i].tuner); 683 684 switch (state->af9033_config[i].tuner) { 685 case AF9033_TUNER_TUA9001: 686 case AF9033_TUNER_FC0011: 687 case AF9033_TUNER_MXL5007T: 688 case AF9033_TUNER_TDA18218: 689 case AF9033_TUNER_FC2580: 690 case AF9033_TUNER_FC0012: 691 state->af9033_config[i].spec_inv = 1; 692 break; 693 case AF9033_TUNER_IT9135_38: 694 case AF9033_TUNER_IT9135_51: 695 case AF9033_TUNER_IT9135_52: 696 case AF9033_TUNER_IT9135_60: 697 case AF9033_TUNER_IT9135_61: 698 case AF9033_TUNER_IT9135_62: 699 break; 700 default: 701 dev_warn(&d->udev->dev, 702 "%s: tuner id=%02x not supported, please report!", 703 KBUILD_MODNAME, tmp); 704 } 705 706 /* disable dual mode if driver does not support it */ 707 if (i == 1) 708 switch (state->af9033_config[i].tuner) { 709 case AF9033_TUNER_FC0012: 710 case AF9033_TUNER_IT9135_38: 711 case AF9033_TUNER_IT9135_51: 712 case AF9033_TUNER_IT9135_52: 713 case AF9033_TUNER_IT9135_60: 714 case AF9033_TUNER_IT9135_61: 715 case AF9033_TUNER_IT9135_62: 716 case AF9033_TUNER_MXL5007T: 717 break; 718 default: 719 state->dual_mode = false; 720 dev_info(&d->udev->dev, 721 "%s: driver does not support 2nd tuner and will disable it", 722 KBUILD_MODNAME); 723 } 724 725 /* tuner IF frequency */ 726 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp); 727 if (ret < 0) 728 goto err; 729 730 tmp16 = tmp; 731 732 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp); 733 if (ret < 0) 734 goto err; 735 736 tmp16 |= tmp << 8; 737 738 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16); 739 740 addr += 0x10; /* shift for the 2nd tuner params */ 741 } 742 743 skip_eeprom: 744 /* get demod clock */ 745 ret = af9035_rd_reg(d, 0x00d800, &tmp); 746 if (ret < 0) 747 goto err; 748 749 tmp = (tmp >> 0) & 0x0f; 750 751 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) { 752 if (state->chip_type == 0x9135) 753 state->af9033_config[i].clock = clock_lut_it9135[tmp]; 754 else 755 state->af9033_config[i].clock = clock_lut_af9035[tmp]; 756 } 757 758 return 0; 759 760 err: 761 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 762 763 return ret; 764 } 765 766 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d, 767 int cmd, int arg) 768 { 769 int ret; 770 u8 val; 771 772 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); 773 774 /* 775 * CEN always enabled by hardware wiring 776 * RESETN GPIOT3 777 * RXEN GPIOT2 778 */ 779 780 switch (cmd) { 781 case TUA9001_CMD_RESETN: 782 if (arg) 783 val = 0x00; 784 else 785 val = 0x01; 786 787 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01); 788 if (ret < 0) 789 goto err; 790 break; 791 case TUA9001_CMD_RXEN: 792 if (arg) 793 val = 0x01; 794 else 795 val = 0x00; 796 797 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01); 798 if (ret < 0) 799 goto err; 800 break; 801 } 802 803 return 0; 804 805 err: 806 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 807 808 return ret; 809 } 810 811 812 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d, 813 int cmd, int arg) 814 { 815 int ret; 816 817 switch (cmd) { 818 case FC0011_FE_CALLBACK_POWER: 819 /* Tuner enable */ 820 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1); 821 if (ret < 0) 822 goto err; 823 824 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1); 825 if (ret < 0) 826 goto err; 827 828 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1); 829 if (ret < 0) 830 goto err; 831 832 /* LED */ 833 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1); 834 if (ret < 0) 835 goto err; 836 837 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1); 838 if (ret < 0) 839 goto err; 840 841 usleep_range(10000, 50000); 842 break; 843 case FC0011_FE_CALLBACK_RESET: 844 ret = af9035_wr_reg(d, 0xd8e9, 1); 845 if (ret < 0) 846 goto err; 847 848 ret = af9035_wr_reg(d, 0xd8e8, 1); 849 if (ret < 0) 850 goto err; 851 852 ret = af9035_wr_reg(d, 0xd8e7, 1); 853 if (ret < 0) 854 goto err; 855 856 usleep_range(10000, 20000); 857 858 ret = af9035_wr_reg(d, 0xd8e7, 0); 859 if (ret < 0) 860 goto err; 861 862 usleep_range(10000, 20000); 863 break; 864 default: 865 ret = -EINVAL; 866 goto err; 867 } 868 869 return 0; 870 871 err: 872 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 873 874 return ret; 875 } 876 877 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) 878 { 879 struct state *state = d_to_priv(d); 880 881 switch (state->af9033_config[0].tuner) { 882 case AF9033_TUNER_FC0011: 883 return af9035_fc0011_tuner_callback(d, cmd, arg); 884 case AF9033_TUNER_TUA9001: 885 return af9035_tua9001_tuner_callback(d, cmd, arg); 886 default: 887 break; 888 } 889 890 return 0; 891 } 892 893 static int af9035_frontend_callback(void *adapter_priv, int component, 894 int cmd, int arg) 895 { 896 struct i2c_adapter *adap = adapter_priv; 897 struct dvb_usb_device *d = i2c_get_adapdata(adap); 898 899 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n", 900 __func__, component, cmd, arg); 901 902 switch (component) { 903 case DVB_FRONTEND_COMPONENT_TUNER: 904 return af9035_tuner_callback(d, cmd, arg); 905 default: 906 break; 907 } 908 909 return 0; 910 } 911 912 static int af9035_get_adapter_count(struct dvb_usb_device *d) 913 { 914 struct state *state = d_to_priv(d); 915 916 /* disable 2nd adapter as we don't have PID filters implemented */ 917 if (d->udev->speed == USB_SPEED_FULL) 918 return 1; 919 else 920 return state->dual_mode + 1; 921 } 922 923 static int af9035_frontend_attach(struct dvb_usb_adapter *adap) 924 { 925 struct state *state = adap_to_priv(adap); 926 struct dvb_usb_device *d = adap_to_d(adap); 927 int ret; 928 dev_dbg(&d->udev->dev, "%s:\n", __func__); 929 930 if (!state->af9033_config[adap->id].tuner) { 931 /* unsupported tuner */ 932 ret = -ENODEV; 933 goto err; 934 } 935 936 /* attach demodulator */ 937 adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id], 938 &d->i2c_adap); 939 if (adap->fe[0] == NULL) { 940 ret = -ENODEV; 941 goto err; 942 } 943 944 /* disable I2C-gate */ 945 adap->fe[0]->ops.i2c_gate_ctrl = NULL; 946 adap->fe[0]->callback = af9035_frontend_callback; 947 948 return 0; 949 950 err: 951 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 952 953 return ret; 954 } 955 956 static struct tua9001_config af9035_tua9001_config = { 957 .i2c_addr = 0x60, 958 }; 959 960 static const struct fc0011_config af9035_fc0011_config = { 961 .i2c_address = 0x60, 962 }; 963 964 static struct mxl5007t_config af9035_mxl5007t_config[] = { 965 { 966 .xtal_freq_hz = MxL_XTAL_24_MHZ, 967 .if_freq_hz = MxL_IF_4_57_MHZ, 968 .invert_if = 0, 969 .loop_thru_enable = 0, 970 .clk_out_enable = 0, 971 .clk_out_amp = MxL_CLKOUT_AMP_0_94V, 972 }, { 973 .xtal_freq_hz = MxL_XTAL_24_MHZ, 974 .if_freq_hz = MxL_IF_4_57_MHZ, 975 .invert_if = 0, 976 .loop_thru_enable = 1, 977 .clk_out_enable = 1, 978 .clk_out_amp = MxL_CLKOUT_AMP_0_94V, 979 } 980 }; 981 982 static struct tda18218_config af9035_tda18218_config = { 983 .i2c_address = 0x60, 984 .i2c_wr_max = 21, 985 }; 986 987 static const struct fc2580_config af9035_fc2580_config = { 988 .i2c_addr = 0x56, 989 .clock = 16384000, 990 }; 991 992 static const struct fc0012_config af9035_fc0012_config[] = { 993 { 994 .i2c_address = 0x63, 995 .xtal_freq = FC_XTAL_36_MHZ, 996 .dual_master = true, 997 .loop_through = true, 998 .clock_out = true, 999 }, { 1000 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */ 1001 .xtal_freq = FC_XTAL_36_MHZ, 1002 .dual_master = true, 1003 } 1004 }; 1005 1006 static int af9035_tuner_attach(struct dvb_usb_adapter *adap) 1007 { 1008 struct state *state = adap_to_priv(adap); 1009 struct dvb_usb_device *d = adap_to_d(adap); 1010 int ret; 1011 struct dvb_frontend *fe; 1012 struct i2c_msg msg[1]; 1013 u8 tuner_addr; 1014 dev_dbg(&d->udev->dev, "%s:\n", __func__); 1015 1016 /* 1017 * XXX: Hack used in that function: we abuse unused I2C address bit [7] 1018 * to carry info about used I2C bus for dual tuner configuration. 1019 */ 1020 1021 switch (state->af9033_config[adap->id].tuner) { 1022 case AF9033_TUNER_TUA9001: 1023 /* AF9035 gpiot3 = TUA9001 RESETN 1024 AF9035 gpiot2 = TUA9001 RXEN */ 1025 1026 /* configure gpiot2 and gpiot2 as output */ 1027 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01); 1028 if (ret < 0) 1029 goto err; 1030 1031 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01); 1032 if (ret < 0) 1033 goto err; 1034 1035 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01); 1036 if (ret < 0) 1037 goto err; 1038 1039 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01); 1040 if (ret < 0) 1041 goto err; 1042 1043 /* attach tuner */ 1044 fe = dvb_attach(tua9001_attach, adap->fe[0], 1045 &d->i2c_adap, &af9035_tua9001_config); 1046 break; 1047 case AF9033_TUNER_FC0011: 1048 fe = dvb_attach(fc0011_attach, adap->fe[0], 1049 &d->i2c_adap, &af9035_fc0011_config); 1050 break; 1051 case AF9033_TUNER_MXL5007T: 1052 if (adap->id == 0) { 1053 ret = af9035_wr_reg(d, 0x00d8e0, 1); 1054 if (ret < 0) 1055 goto err; 1056 1057 ret = af9035_wr_reg(d, 0x00d8e1, 1); 1058 if (ret < 0) 1059 goto err; 1060 1061 ret = af9035_wr_reg(d, 0x00d8df, 0); 1062 if (ret < 0) 1063 goto err; 1064 1065 msleep(30); 1066 1067 ret = af9035_wr_reg(d, 0x00d8df, 1); 1068 if (ret < 0) 1069 goto err; 1070 1071 msleep(300); 1072 1073 ret = af9035_wr_reg(d, 0x00d8c0, 1); 1074 if (ret < 0) 1075 goto err; 1076 1077 ret = af9035_wr_reg(d, 0x00d8c1, 1); 1078 if (ret < 0) 1079 goto err; 1080 1081 ret = af9035_wr_reg(d, 0x00d8bf, 0); 1082 if (ret < 0) 1083 goto err; 1084 1085 ret = af9035_wr_reg(d, 0x00d8b4, 1); 1086 if (ret < 0) 1087 goto err; 1088 1089 ret = af9035_wr_reg(d, 0x00d8b5, 1); 1090 if (ret < 0) 1091 goto err; 1092 1093 ret = af9035_wr_reg(d, 0x00d8b3, 1); 1094 if (ret < 0) 1095 goto err; 1096 1097 tuner_addr = 0x60; 1098 } else { 1099 tuner_addr = 0x60 | 0x80; /* I2C bus hack */ 1100 } 1101 1102 /* attach tuner */ 1103 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap, 1104 tuner_addr, &af9035_mxl5007t_config[adap->id]); 1105 break; 1106 case AF9033_TUNER_TDA18218: 1107 /* attach tuner */ 1108 fe = dvb_attach(tda18218_attach, adap->fe[0], 1109 &d->i2c_adap, &af9035_tda18218_config); 1110 break; 1111 case AF9033_TUNER_FC2580: 1112 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */ 1113 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01); 1114 if (ret < 0) 1115 goto err; 1116 1117 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01); 1118 if (ret < 0) 1119 goto err; 1120 1121 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01); 1122 if (ret < 0) 1123 goto err; 1124 1125 usleep_range(10000, 50000); 1126 /* attach tuner */ 1127 fe = dvb_attach(fc2580_attach, adap->fe[0], 1128 &d->i2c_adap, &af9035_fc2580_config); 1129 break; 1130 case AF9033_TUNER_FC0012: 1131 /* 1132 * AF9035 gpiot2 = FC0012 enable 1133 * XXX: there seems to be something on gpioh8 too, but on my 1134 * my test I didn't find any difference. 1135 */ 1136 1137 if (adap->id == 0) { 1138 /* configure gpiot2 as output and high */ 1139 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01); 1140 if (ret < 0) 1141 goto err; 1142 1143 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01); 1144 if (ret < 0) 1145 goto err; 1146 1147 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01); 1148 if (ret < 0) 1149 goto err; 1150 } else { 1151 /* 1152 * FIXME: That belongs for the FC0012 driver. 1153 * Write 02 to FC0012 master tuner register 0d directly 1154 * in order to make slave tuner working. 1155 */ 1156 msg[0].addr = 0x63; 1157 msg[0].flags = 0; 1158 msg[0].len = 2; 1159 msg[0].buf = "\x0d\x02"; 1160 ret = i2c_transfer(&d->i2c_adap, msg, 1); 1161 if (ret < 0) 1162 goto err; 1163 } 1164 1165 usleep_range(10000, 50000); 1166 1167 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, 1168 &af9035_fc0012_config[adap->id]); 1169 break; 1170 case AF9033_TUNER_IT9135_38: 1171 case AF9033_TUNER_IT9135_51: 1172 case AF9033_TUNER_IT9135_52: 1173 case AF9033_TUNER_IT9135_60: 1174 case AF9033_TUNER_IT9135_61: 1175 case AF9033_TUNER_IT9135_62: 1176 /* attach tuner */ 1177 fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap, 1178 state->af9033_config[adap->id].i2c_addr, 1179 state->af9033_config[0].tuner); 1180 break; 1181 default: 1182 fe = NULL; 1183 } 1184 1185 if (fe == NULL) { 1186 ret = -ENODEV; 1187 goto err; 1188 } 1189 1190 return 0; 1191 1192 err: 1193 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1194 1195 return ret; 1196 } 1197 1198 static int af9035_init(struct dvb_usb_device *d) 1199 { 1200 struct state *state = d_to_priv(d); 1201 int ret, i; 1202 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4; 1203 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4; 1204 struct reg_val_mask tab[] = { 1205 { 0x80f99d, 0x01, 0x01 }, 1206 { 0x80f9a4, 0x01, 0x01 }, 1207 { 0x00dd11, 0x00, 0x20 }, 1208 { 0x00dd11, 0x00, 0x40 }, 1209 { 0x00dd13, 0x00, 0x20 }, 1210 { 0x00dd13, 0x00, 0x40 }, 1211 { 0x00dd11, 0x20, 0x20 }, 1212 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff}, 1213 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff}, 1214 { 0x00dd0c, packet_size, 0xff}, 1215 { 0x00dd11, state->dual_mode << 6, 0x40 }, 1216 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff}, 1217 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff}, 1218 { 0x00dd0d, packet_size, 0xff }, 1219 { 0x80f9a3, state->dual_mode, 0x01 }, 1220 { 0x80f9cd, state->dual_mode, 0x01 }, 1221 { 0x80f99d, 0x00, 0x01 }, 1222 { 0x80f9a4, 0x00, 0x01 }, 1223 }; 1224 1225 dev_dbg(&d->udev->dev, 1226 "%s: USB speed=%d frame_size=%04x packet_size=%02x\n", 1227 __func__, d->udev->speed, frame_size, packet_size); 1228 1229 /* init endpoints */ 1230 for (i = 0; i < ARRAY_SIZE(tab); i++) { 1231 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val, 1232 tab[i].mask); 1233 if (ret < 0) 1234 goto err; 1235 } 1236 1237 return 0; 1238 1239 err: 1240 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1241 1242 return ret; 1243 } 1244 1245 #if IS_ENABLED(CONFIG_RC_CORE) 1246 static int af9035_rc_query(struct dvb_usb_device *d) 1247 { 1248 int ret; 1249 u32 key; 1250 u8 buf[4]; 1251 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf }; 1252 1253 ret = af9035_ctrl_msg(d, &req); 1254 if (ret == 1) 1255 return 0; 1256 else if (ret < 0) 1257 goto err; 1258 1259 if ((buf[2] + buf[3]) == 0xff) { 1260 if ((buf[0] + buf[1]) == 0xff) { 1261 /* NEC standard 16bit */ 1262 key = buf[0] << 8 | buf[2]; 1263 } else { 1264 /* NEC extended 24bit */ 1265 key = buf[0] << 16 | buf[1] << 8 | buf[2]; 1266 } 1267 } else { 1268 /* NEC full code 32bit */ 1269 key = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]; 1270 } 1271 1272 dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf); 1273 1274 rc_keydown(d->rc_dev, key, 0); 1275 1276 return 0; 1277 1278 err: 1279 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1280 1281 return ret; 1282 } 1283 1284 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) 1285 { 1286 struct state *state = d_to_priv(d); 1287 int ret; 1288 u8 tmp; 1289 1290 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp); 1291 if (ret < 0) 1292 goto err; 1293 1294 dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp); 1295 1296 /* don't activate rc if in HID mode or if not available */ 1297 if (tmp == 5) { 1298 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE, 1299 &tmp); 1300 if (ret < 0) 1301 goto err; 1302 1303 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp); 1304 1305 switch (tmp) { 1306 case 0: /* NEC */ 1307 default: 1308 rc->allowed_protos = RC_BIT_NEC; 1309 break; 1310 case 1: /* RC6 */ 1311 rc->allowed_protos = RC_BIT_RC6_MCE; 1312 break; 1313 } 1314 1315 rc->query = af9035_rc_query; 1316 rc->interval = 500; 1317 1318 /* load empty to enable rc */ 1319 if (!rc->map_name) 1320 rc->map_name = RC_MAP_EMPTY; 1321 } 1322 1323 return 0; 1324 1325 err: 1326 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1327 1328 return ret; 1329 } 1330 #else 1331 #define af9035_get_rc_config NULL 1332 #endif 1333 1334 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, 1335 struct usb_data_stream_properties *stream) 1336 { 1337 struct dvb_usb_device *d = fe_to_d(fe); 1338 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id); 1339 1340 if (d->udev->speed == USB_SPEED_FULL) 1341 stream->u.bulk.buffersize = 5 * 188; 1342 1343 return 0; 1344 } 1345 1346 /* 1347 * FIXME: PID filter is property of demodulator and should be moved to the 1348 * correct driver. Also we support only adapter #0 PID filter and will 1349 * disable adapter #1 if USB1.1 is used. 1350 */ 1351 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) 1352 { 1353 struct dvb_usb_device *d = adap_to_d(adap); 1354 int ret; 1355 1356 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); 1357 1358 ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01); 1359 if (ret < 0) 1360 goto err; 1361 1362 return 0; 1363 1364 err: 1365 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1366 1367 return ret; 1368 } 1369 1370 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, 1371 int onoff) 1372 { 1373 struct dvb_usb_device *d = adap_to_d(adap); 1374 int ret; 1375 u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff}; 1376 1377 dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n", 1378 __func__, index, pid, onoff); 1379 1380 ret = af9035_wr_regs(d, 0x80f996, wbuf, 2); 1381 if (ret < 0) 1382 goto err; 1383 1384 ret = af9035_wr_reg(d, 0x80f994, onoff); 1385 if (ret < 0) 1386 goto err; 1387 1388 ret = af9035_wr_reg(d, 0x80f995, index); 1389 if (ret < 0) 1390 goto err; 1391 1392 return 0; 1393 1394 err: 1395 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1396 1397 return ret; 1398 } 1399 1400 static int af9035_probe(struct usb_interface *intf, 1401 const struct usb_device_id *id) 1402 { 1403 struct usb_device *udev = interface_to_usbdev(intf); 1404 char manufacturer[sizeof("Afatech")]; 1405 1406 memset(manufacturer, 0, sizeof(manufacturer)); 1407 usb_string(udev, udev->descriptor.iManufacturer, 1408 manufacturer, sizeof(manufacturer)); 1409 /* 1410 * There is two devices having same ID but different chipset. One uses 1411 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb 1412 * is iManufacturer string. 1413 * 1414 * idVendor 0x0ccd TerraTec Electronic GmbH 1415 * idProduct 0x0099 1416 * bcdDevice 2.00 1417 * iManufacturer 1 Afatech 1418 * iProduct 2 DVB-T 2 1419 * 1420 * idVendor 0x0ccd TerraTec Electronic GmbH 1421 * idProduct 0x0099 1422 * bcdDevice 2.00 1423 * iManufacturer 1 ITE Technologies, Inc. 1424 * iProduct 2 DVB-T TV Stick 1425 */ 1426 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) && 1427 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) { 1428 if (!strcmp("Afatech", manufacturer)) { 1429 dev_dbg(&udev->dev, "%s: rejecting device\n", __func__); 1430 return -ENODEV; 1431 } 1432 } 1433 1434 return dvb_usbv2_probe(intf, id); 1435 } 1436 1437 /* interface 0 is used by DVB-T receiver and 1438 interface 1 is for remote controller (HID) */ 1439 static const struct dvb_usb_device_properties af9035_props = { 1440 .driver_name = KBUILD_MODNAME, 1441 .owner = THIS_MODULE, 1442 .adapter_nr = adapter_nr, 1443 .size_of_priv = sizeof(struct state), 1444 1445 .generic_bulk_ctrl_endpoint = 0x02, 1446 .generic_bulk_ctrl_endpoint_response = 0x81, 1447 1448 .identify_state = af9035_identify_state, 1449 .download_firmware = af9035_download_firmware, 1450 1451 .i2c_algo = &af9035_i2c_algo, 1452 .read_config = af9035_read_config, 1453 .frontend_attach = af9035_frontend_attach, 1454 .tuner_attach = af9035_tuner_attach, 1455 .init = af9035_init, 1456 .get_rc_config = af9035_get_rc_config, 1457 .get_stream_config = af9035_get_stream_config, 1458 1459 .get_adapter_count = af9035_get_adapter_count, 1460 .adapter = { 1461 { 1462 .caps = DVB_USB_ADAP_HAS_PID_FILTER | 1463 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1464 1465 .pid_filter_count = 32, 1466 .pid_filter_ctrl = af9035_pid_filter_ctrl, 1467 .pid_filter = af9035_pid_filter, 1468 1469 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188), 1470 }, { 1471 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188), 1472 }, 1473 }, 1474 }; 1475 1476 static const struct usb_device_id af9035_id_table[] = { 1477 /* AF9035 devices */ 1478 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035, 1479 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1480 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000, 1481 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1482 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001, 1483 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1484 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002, 1485 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1486 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003, 1487 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1488 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK, 1489 &af9035_props, "TerraTec Cinergy T Stick", NULL) }, 1490 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835, 1491 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, 1492 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835, 1493 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, 1494 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867, 1495 &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, 1496 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867, 1497 &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, 1498 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR, 1499 &af9035_props, "AVerMedia Twinstar (A825)", NULL) }, 1500 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS, 1501 &af9035_props, "Asus U3100Mini Plus", NULL) }, 1502 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa, 1503 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) }, 1504 /* IT9135 devices */ 1505 #if 0 1506 { DVB_USB_DEVICE(0x048d, 0x9135, 1507 &af9035_props, "IT9135 reference design", NULL) }, 1508 { DVB_USB_DEVICE(0x048d, 0x9006, 1509 &af9035_props, "IT9135 reference design", NULL) }, 1510 #endif 1511 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */ 1512 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099, 1513 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) }, 1514 { } 1515 }; 1516 MODULE_DEVICE_TABLE(usb, af9035_id_table); 1517 1518 static struct usb_driver af9035_usb_driver = { 1519 .name = KBUILD_MODNAME, 1520 .id_table = af9035_id_table, 1521 .probe = af9035_probe, 1522 .disconnect = dvb_usbv2_disconnect, 1523 .suspend = dvb_usbv2_suspend, 1524 .resume = dvb_usbv2_resume, 1525 .reset_resume = dvb_usbv2_reset_resume, 1526 .no_dynamic_id = 1, 1527 .soft_unbind = 1, 1528 }; 1529 1530 module_usb_driver(af9035_usb_driver); 1531 1532 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1533 MODULE_DESCRIPTION("Afatech AF9035 driver"); 1534 MODULE_LICENSE("GPL"); 1535 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035); 1536 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1); 1537 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2); 1538