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 /* Max transfer size done by I2C transfer functions */ 25 #define MAX_XFER_SIZE 64 26 27 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 28 29 static u16 af9035_checksum(const u8 *buf, size_t len) 30 { 31 size_t i; 32 u16 checksum = 0; 33 34 for (i = 1; i < len; i++) { 35 if (i % 2) 36 checksum += buf[i] << 8; 37 else 38 checksum += buf[i]; 39 } 40 checksum = ~checksum; 41 42 return checksum; 43 } 44 45 static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req) 46 { 47 #define REQ_HDR_LEN 4 /* send header size */ 48 #define ACK_HDR_LEN 3 /* rece header size */ 49 #define CHECKSUM_LEN 2 50 #define USB_TIMEOUT 2000 51 struct state *state = d_to_priv(d); 52 int ret, wlen, rlen; 53 u16 checksum, tmp_checksum; 54 55 mutex_lock(&d->usb_mutex); 56 57 /* buffer overflow check */ 58 if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) || 59 req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) { 60 dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n", 61 KBUILD_MODNAME, req->wlen, req->rlen); 62 ret = -EINVAL; 63 goto exit; 64 } 65 66 state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1; 67 state->buf[1] = req->mbox; 68 state->buf[2] = req->cmd; 69 state->buf[3] = state->seq++; 70 memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen); 71 72 wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN; 73 rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN; 74 75 /* calc and add checksum */ 76 checksum = af9035_checksum(state->buf, state->buf[0] - 1); 77 state->buf[state->buf[0] - 1] = (checksum >> 8); 78 state->buf[state->buf[0] - 0] = (checksum & 0xff); 79 80 /* no ack for these packets */ 81 if (req->cmd == CMD_FW_DL) 82 rlen = 0; 83 84 ret = dvb_usbv2_generic_rw_locked(d, 85 state->buf, wlen, state->buf, rlen); 86 if (ret) 87 goto exit; 88 89 /* no ack for those packets */ 90 if (req->cmd == CMD_FW_DL) 91 goto exit; 92 93 /* verify checksum */ 94 checksum = af9035_checksum(state->buf, rlen - 2); 95 tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1]; 96 if (tmp_checksum != checksum) { 97 dev_err(&d->udev->dev, 98 "%s: command=%02x checksum mismatch (%04x != %04x)\n", 99 KBUILD_MODNAME, req->cmd, tmp_checksum, 100 checksum); 101 ret = -EIO; 102 goto exit; 103 } 104 105 /* check status */ 106 if (state->buf[2]) { 107 /* fw returns status 1 when IR code was not received */ 108 if (req->cmd == CMD_IR_GET || state->buf[2] == 1) { 109 ret = 1; 110 goto exit; 111 } 112 113 dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n", 114 __func__, req->cmd, state->buf[2]); 115 ret = -EIO; 116 goto exit; 117 } 118 119 /* read request, copy returned data to return buf */ 120 if (req->rlen) 121 memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen); 122 exit: 123 mutex_unlock(&d->usb_mutex); 124 if (ret < 0) 125 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 126 return ret; 127 } 128 129 /* write multiple registers */ 130 static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) 131 { 132 u8 wbuf[MAX_XFER_SIZE]; 133 u8 mbox = (reg >> 16) & 0xff; 134 struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL }; 135 136 if (6 + len > sizeof(wbuf)) { 137 dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n", 138 KBUILD_MODNAME, len); 139 return -EOPNOTSUPP; 140 } 141 142 wbuf[0] = len; 143 wbuf[1] = 2; 144 wbuf[2] = 0; 145 wbuf[3] = 0; 146 wbuf[4] = (reg >> 8) & 0xff; 147 wbuf[5] = (reg >> 0) & 0xff; 148 memcpy(&wbuf[6], val, len); 149 150 return af9035_ctrl_msg(d, &req); 151 } 152 153 /* read multiple registers */ 154 static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) 155 { 156 u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff }; 157 u8 mbox = (reg >> 16) & 0xff; 158 struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val }; 159 160 return af9035_ctrl_msg(d, &req); 161 } 162 163 /* write single register */ 164 static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val) 165 { 166 return af9035_wr_regs(d, reg, &val, 1); 167 } 168 169 /* read single register */ 170 static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val) 171 { 172 return af9035_rd_regs(d, reg, val, 1); 173 } 174 175 /* write single register with mask */ 176 static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val, 177 u8 mask) 178 { 179 int ret; 180 u8 tmp; 181 182 /* no need for read if whole reg is written */ 183 if (mask != 0xff) { 184 ret = af9035_rd_regs(d, reg, &tmp, 1); 185 if (ret) 186 return ret; 187 188 val &= mask; 189 tmp &= ~mask; 190 val |= tmp; 191 } 192 193 return af9035_wr_regs(d, reg, &val, 1); 194 } 195 196 static int af9035_i2c_master_xfer(struct i2c_adapter *adap, 197 struct i2c_msg msg[], int num) 198 { 199 struct dvb_usb_device *d = i2c_get_adapdata(adap); 200 struct state *state = d_to_priv(d); 201 int ret; 202 203 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 204 return -EAGAIN; 205 206 /* 207 * I2C sub header is 5 bytes long. Meaning of those bytes are: 208 * 0: data len 209 * 1: I2C addr << 1 210 * 2: reg addr len 211 * byte 3 and 4 can be used as reg addr 212 * 3: reg addr MSB 213 * used when reg addr len is set to 2 214 * 4: reg addr LSB 215 * used when reg addr len is set to 1 or 2 216 * 217 * For the simplify we do not use register addr at all. 218 * NOTE: As a firmware knows tuner type there is very small possibility 219 * there could be some tuner I2C hacks done by firmware and this may 220 * lead problems if firmware expects those bytes are used. 221 */ 222 if (num == 2 && !(msg[0].flags & I2C_M_RD) && 223 (msg[1].flags & I2C_M_RD)) { 224 if (msg[0].len > 40 || msg[1].len > 40) { 225 /* TODO: correct limits > 40 */ 226 ret = -EOPNOTSUPP; 227 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) || 228 (msg[0].addr == state->af9033_config[1].i2c_addr)) { 229 /* demod access via firmware interface */ 230 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | 231 msg[0].buf[2]; 232 233 if (msg[0].addr == state->af9033_config[1].i2c_addr) 234 reg |= 0x100000; 235 236 ret = af9035_rd_regs(d, reg, &msg[1].buf[0], 237 msg[1].len); 238 } else { 239 /* I2C */ 240 u8 buf[MAX_XFER_SIZE]; 241 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), 242 buf, msg[1].len, msg[1].buf }; 243 244 if (5 + msg[0].len > sizeof(buf)) { 245 dev_warn(&d->udev->dev, 246 "%s: i2c xfer: len=%d is too big!\n", 247 KBUILD_MODNAME, msg[0].len); 248 return -EOPNOTSUPP; 249 } 250 req.mbox |= ((msg[0].addr & 0x80) >> 3); 251 buf[0] = msg[1].len; 252 buf[1] = msg[0].addr << 1; 253 buf[2] = 0x00; /* reg addr len */ 254 buf[3] = 0x00; /* reg addr MSB */ 255 buf[4] = 0x00; /* reg addr LSB */ 256 memcpy(&buf[5], msg[0].buf, msg[0].len); 257 ret = af9035_ctrl_msg(d, &req); 258 } 259 } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { 260 if (msg[0].len > 40) { 261 /* TODO: correct limits > 40 */ 262 ret = -EOPNOTSUPP; 263 } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) || 264 (msg[0].addr == state->af9033_config[1].i2c_addr)) { 265 /* demod access via firmware interface */ 266 u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | 267 msg[0].buf[2]; 268 269 if (msg[0].addr == state->af9033_config[1].i2c_addr) 270 reg |= 0x100000; 271 272 ret = af9035_wr_regs(d, reg, &msg[0].buf[3], 273 msg[0].len - 3); 274 } else { 275 /* I2C */ 276 u8 buf[MAX_XFER_SIZE]; 277 struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf, 278 0, NULL }; 279 280 if (5 + msg[0].len > sizeof(buf)) { 281 dev_warn(&d->udev->dev, 282 "%s: i2c xfer: len=%d is too big!\n", 283 KBUILD_MODNAME, msg[0].len); 284 return -EOPNOTSUPP; 285 } 286 req.mbox |= ((msg[0].addr & 0x80) >> 3); 287 buf[0] = msg[0].len; 288 buf[1] = msg[0].addr << 1; 289 buf[2] = 0x00; /* reg addr len */ 290 buf[3] = 0x00; /* reg addr MSB */ 291 buf[4] = 0x00; /* reg addr LSB */ 292 memcpy(&buf[5], msg[0].buf, msg[0].len); 293 ret = af9035_ctrl_msg(d, &req); 294 } 295 } else if (num == 1 && (msg[0].flags & I2C_M_RD)) { 296 if (msg[0].len > 40) { 297 /* TODO: correct limits > 40 */ 298 ret = -EOPNOTSUPP; 299 } else { 300 /* I2C */ 301 u8 buf[5]; 302 struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), 303 buf, msg[0].len, msg[0].buf }; 304 req.mbox |= ((msg[0].addr & 0x80) >> 3); 305 buf[0] = msg[0].len; 306 buf[1] = msg[0].addr << 1; 307 buf[2] = 0x00; /* reg addr len */ 308 buf[3] = 0x00; /* reg addr MSB */ 309 buf[4] = 0x00; /* reg addr LSB */ 310 ret = af9035_ctrl_msg(d, &req); 311 } 312 } else { 313 /* 314 * We support only three kind of I2C transactions: 315 * 1) 1 x read + 1 x write (repeated start) 316 * 2) 1 x write 317 * 3) 1 x read 318 */ 319 ret = -EOPNOTSUPP; 320 } 321 322 mutex_unlock(&d->i2c_mutex); 323 324 if (ret < 0) 325 return ret; 326 else 327 return num; 328 } 329 330 static u32 af9035_i2c_functionality(struct i2c_adapter *adapter) 331 { 332 return I2C_FUNC_I2C; 333 } 334 335 static struct i2c_algorithm af9035_i2c_algo = { 336 .master_xfer = af9035_i2c_master_xfer, 337 .functionality = af9035_i2c_functionality, 338 }; 339 340 static int af9035_identify_state(struct dvb_usb_device *d, const char **name) 341 { 342 struct state *state = d_to_priv(d); 343 int ret; 344 u8 wbuf[1] = { 1 }; 345 u8 rbuf[4]; 346 struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf, 347 sizeof(rbuf), rbuf }; 348 349 ret = af9035_rd_regs(d, 0x1222, rbuf, 3); 350 if (ret < 0) 351 goto err; 352 353 state->chip_version = rbuf[0]; 354 state->chip_type = rbuf[2] << 8 | rbuf[1] << 0; 355 356 ret = af9035_rd_reg(d, 0x384f, &state->prechip_version); 357 if (ret < 0) 358 goto err; 359 360 dev_info(&d->udev->dev, 361 "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n", 362 KBUILD_MODNAME, state->prechip_version, 363 state->chip_version, state->chip_type); 364 365 if (state->chip_type == 0x9135) { 366 if (state->chip_version == 0x02) 367 *name = AF9035_FIRMWARE_IT9135_V2; 368 else 369 *name = AF9035_FIRMWARE_IT9135_V1; 370 state->eeprom_addr = EEPROM_BASE_IT9135; 371 } else { 372 *name = AF9035_FIRMWARE_AF9035; 373 state->eeprom_addr = EEPROM_BASE_AF9035; 374 } 375 376 ret = af9035_ctrl_msg(d, &req); 377 if (ret < 0) 378 goto err; 379 380 dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf); 381 if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3]) 382 ret = WARM; 383 else 384 ret = COLD; 385 386 return ret; 387 388 err: 389 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 390 391 return ret; 392 } 393 394 static int af9035_download_firmware_old(struct dvb_usb_device *d, 395 const struct firmware *fw) 396 { 397 int ret, i, j, len; 398 u8 wbuf[1]; 399 struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; 400 struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL }; 401 u8 hdr_core; 402 u16 hdr_addr, hdr_data_len, hdr_checksum; 403 #define MAX_DATA 58 404 #define HDR_SIZE 7 405 406 /* 407 * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info! 408 * 409 * byte 0: MCS 51 core 410 * There are two inside the AF9035 (1=Link and 2=OFDM) with separate 411 * address spaces 412 * byte 1-2: Big endian destination address 413 * byte 3-4: Big endian number of data bytes following the header 414 * byte 5-6: Big endian header checksum, apparently ignored by the chip 415 * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256) 416 */ 417 418 for (i = fw->size; i > HDR_SIZE;) { 419 hdr_core = fw->data[fw->size - i + 0]; 420 hdr_addr = fw->data[fw->size - i + 1] << 8; 421 hdr_addr |= fw->data[fw->size - i + 2] << 0; 422 hdr_data_len = fw->data[fw->size - i + 3] << 8; 423 hdr_data_len |= fw->data[fw->size - i + 4] << 0; 424 hdr_checksum = fw->data[fw->size - i + 5] << 8; 425 hdr_checksum |= fw->data[fw->size - i + 6] << 0; 426 427 dev_dbg(&d->udev->dev, 428 "%s: core=%d addr=%04x data_len=%d checksum=%04x\n", 429 __func__, hdr_core, hdr_addr, hdr_data_len, 430 hdr_checksum); 431 432 if (((hdr_core != 1) && (hdr_core != 2)) || 433 (hdr_data_len > i)) { 434 dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__); 435 break; 436 } 437 438 /* download begin packet */ 439 req.cmd = CMD_FW_DL_BEGIN; 440 ret = af9035_ctrl_msg(d, &req); 441 if (ret < 0) 442 goto err; 443 444 /* download firmware packet(s) */ 445 for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) { 446 len = j; 447 if (len > MAX_DATA) 448 len = MAX_DATA; 449 req_fw_dl.wlen = len; 450 req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i + 451 HDR_SIZE + hdr_data_len - j]; 452 ret = af9035_ctrl_msg(d, &req_fw_dl); 453 if (ret < 0) 454 goto err; 455 } 456 457 /* download end packet */ 458 req.cmd = CMD_FW_DL_END; 459 ret = af9035_ctrl_msg(d, &req); 460 if (ret < 0) 461 goto err; 462 463 i -= hdr_data_len + HDR_SIZE; 464 465 dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n", 466 __func__, fw->size - i); 467 } 468 469 /* print warn if firmware is bad, continue and see what happens */ 470 if (i) 471 dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME); 472 473 return 0; 474 475 err: 476 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 477 478 return ret; 479 } 480 481 static int af9035_download_firmware_new(struct dvb_usb_device *d, 482 const struct firmware *fw) 483 { 484 int ret, i, i_prev; 485 struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL }; 486 #define HDR_SIZE 7 487 488 /* 489 * There seems to be following firmware header. Meaning of bytes 0-3 490 * is unknown. 491 * 492 * 0: 3 493 * 1: 0, 1 494 * 2: 0 495 * 3: 1, 2, 3 496 * 4: addr MSB 497 * 5: addr LSB 498 * 6: count of data bytes ? 499 */ 500 for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) { 501 if (i == fw->size || 502 (fw->data[i + 0] == 0x03 && 503 (fw->data[i + 1] == 0x00 || 504 fw->data[i + 1] == 0x01) && 505 fw->data[i + 2] == 0x00)) { 506 req_fw_dl.wlen = i - i_prev; 507 req_fw_dl.wbuf = (u8 *) &fw->data[i_prev]; 508 i_prev = i; 509 ret = af9035_ctrl_msg(d, &req_fw_dl); 510 if (ret < 0) 511 goto err; 512 513 dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n", 514 __func__, i); 515 } 516 } 517 518 return 0; 519 520 err: 521 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 522 523 return ret; 524 } 525 526 static int af9035_download_firmware(struct dvb_usb_device *d, 527 const struct firmware *fw) 528 { 529 struct state *state = d_to_priv(d); 530 int ret; 531 u8 wbuf[1]; 532 u8 rbuf[4]; 533 u8 tmp; 534 struct usb_req req = { 0, 0, 0, NULL, 0, NULL }; 535 struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf }; 536 dev_dbg(&d->udev->dev, "%s:\n", __func__); 537 538 /* 539 * In case of dual tuner configuration we need to do some extra 540 * initialization in order to download firmware to slave demod too, 541 * which is done by master demod. 542 * Master feeds also clock and controls power via GPIO. 543 */ 544 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp); 545 if (ret < 0) 546 goto err; 547 548 if (tmp == 1 || tmp == 3) { 549 /* configure gpioh1, reset & power slave demod */ 550 ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01); 551 if (ret < 0) 552 goto err; 553 554 ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01); 555 if (ret < 0) 556 goto err; 557 558 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01); 559 if (ret < 0) 560 goto err; 561 562 usleep_range(10000, 50000); 563 564 ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01); 565 if (ret < 0) 566 goto err; 567 568 /* tell the slave I2C address */ 569 ret = af9035_rd_reg(d, 570 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR, 571 &tmp); 572 if (ret < 0) 573 goto err; 574 575 if (state->chip_type == 0x9135) { 576 ret = af9035_wr_reg(d, 0x004bfb, tmp); 577 if (ret < 0) 578 goto err; 579 } else { 580 ret = af9035_wr_reg(d, 0x00417f, tmp); 581 if (ret < 0) 582 goto err; 583 584 /* enable clock out */ 585 ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01); 586 if (ret < 0) 587 goto err; 588 } 589 } 590 591 if (fw->data[0] == 0x01) 592 ret = af9035_download_firmware_old(d, fw); 593 else 594 ret = af9035_download_firmware_new(d, fw); 595 if (ret < 0) 596 goto err; 597 598 /* firmware loaded, request boot */ 599 req.cmd = CMD_FW_BOOT; 600 ret = af9035_ctrl_msg(d, &req); 601 if (ret < 0) 602 goto err; 603 604 /* ensure firmware starts */ 605 wbuf[0] = 1; 606 ret = af9035_ctrl_msg(d, &req_fw_ver); 607 if (ret < 0) 608 goto err; 609 610 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) { 611 dev_err(&d->udev->dev, "%s: firmware did not run\n", 612 KBUILD_MODNAME); 613 ret = -ENODEV; 614 goto err; 615 } 616 617 dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d", 618 KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]); 619 620 return 0; 621 622 err: 623 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 624 625 return ret; 626 } 627 628 static int af9035_read_config(struct dvb_usb_device *d) 629 { 630 struct state *state = d_to_priv(d); 631 int ret, i; 632 u8 tmp; 633 u16 tmp16, addr; 634 635 /* demod I2C "address" */ 636 state->af9033_config[0].i2c_addr = 0x38; 637 state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; 638 state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; 639 state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB; 640 state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL; 641 642 /* eeprom memory mapped location */ 643 if (state->chip_type == 0x9135) { 644 if (state->chip_version == 0x02) { 645 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60; 646 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60; 647 tmp16 = 0x00461d; 648 } else { 649 state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38; 650 state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38; 651 tmp16 = 0x00461b; 652 } 653 654 /* check if eeprom exists */ 655 ret = af9035_rd_reg(d, tmp16, &tmp); 656 if (ret < 0) 657 goto err; 658 659 if (tmp == 0x00) { 660 dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__); 661 goto skip_eeprom; 662 } 663 } 664 665 /* check if there is dual tuners */ 666 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp); 667 if (ret < 0) 668 goto err; 669 670 if (tmp == 1 || tmp == 3) 671 state->dual_mode = true; 672 673 dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__, 674 tmp, state->dual_mode); 675 676 if (state->dual_mode) { 677 /* read 2nd demodulator I2C address */ 678 ret = af9035_rd_reg(d, 679 state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR, 680 &tmp); 681 if (ret < 0) 682 goto err; 683 684 state->af9033_config[1].i2c_addr = tmp; 685 dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n", 686 __func__, tmp); 687 } 688 689 addr = state->eeprom_addr; 690 691 for (i = 0; i < state->dual_mode + 1; i++) { 692 /* tuner */ 693 ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp); 694 if (ret < 0) 695 goto err; 696 697 if (tmp == 0x00) 698 dev_dbg(&d->udev->dev, 699 "%s: [%d]tuner not set, using default\n", 700 __func__, i); 701 else 702 state->af9033_config[i].tuner = tmp; 703 704 dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n", 705 __func__, i, state->af9033_config[i].tuner); 706 707 switch (state->af9033_config[i].tuner) { 708 case AF9033_TUNER_TUA9001: 709 case AF9033_TUNER_FC0011: 710 case AF9033_TUNER_MXL5007T: 711 case AF9033_TUNER_TDA18218: 712 case AF9033_TUNER_FC2580: 713 case AF9033_TUNER_FC0012: 714 state->af9033_config[i].spec_inv = 1; 715 break; 716 case AF9033_TUNER_IT9135_38: 717 case AF9033_TUNER_IT9135_51: 718 case AF9033_TUNER_IT9135_52: 719 case AF9033_TUNER_IT9135_60: 720 case AF9033_TUNER_IT9135_61: 721 case AF9033_TUNER_IT9135_62: 722 break; 723 default: 724 dev_warn(&d->udev->dev, 725 "%s: tuner id=%02x not supported, please report!", 726 KBUILD_MODNAME, tmp); 727 } 728 729 /* disable dual mode if driver does not support it */ 730 if (i == 1) 731 switch (state->af9033_config[i].tuner) { 732 case AF9033_TUNER_FC0012: 733 case AF9033_TUNER_IT9135_38: 734 case AF9033_TUNER_IT9135_51: 735 case AF9033_TUNER_IT9135_52: 736 case AF9033_TUNER_IT9135_60: 737 case AF9033_TUNER_IT9135_61: 738 case AF9033_TUNER_IT9135_62: 739 case AF9033_TUNER_MXL5007T: 740 break; 741 default: 742 state->dual_mode = false; 743 dev_info(&d->udev->dev, 744 "%s: driver does not support 2nd tuner and will disable it", 745 KBUILD_MODNAME); 746 } 747 748 /* tuner IF frequency */ 749 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp); 750 if (ret < 0) 751 goto err; 752 753 tmp16 = tmp; 754 755 ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp); 756 if (ret < 0) 757 goto err; 758 759 tmp16 |= tmp << 8; 760 761 dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16); 762 763 addr += 0x10; /* shift for the 2nd tuner params */ 764 } 765 766 skip_eeprom: 767 /* get demod clock */ 768 ret = af9035_rd_reg(d, 0x00d800, &tmp); 769 if (ret < 0) 770 goto err; 771 772 tmp = (tmp >> 0) & 0x0f; 773 774 for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) { 775 if (state->chip_type == 0x9135) 776 state->af9033_config[i].clock = clock_lut_it9135[tmp]; 777 else 778 state->af9033_config[i].clock = clock_lut_af9035[tmp]; 779 } 780 781 return 0; 782 783 err: 784 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 785 786 return ret; 787 } 788 789 static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d, 790 int cmd, int arg) 791 { 792 int ret; 793 u8 val; 794 795 dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); 796 797 /* 798 * CEN always enabled by hardware wiring 799 * RESETN GPIOT3 800 * RXEN GPIOT2 801 */ 802 803 switch (cmd) { 804 case TUA9001_CMD_RESETN: 805 if (arg) 806 val = 0x00; 807 else 808 val = 0x01; 809 810 ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01); 811 if (ret < 0) 812 goto err; 813 break; 814 case TUA9001_CMD_RXEN: 815 if (arg) 816 val = 0x01; 817 else 818 val = 0x00; 819 820 ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01); 821 if (ret < 0) 822 goto err; 823 break; 824 } 825 826 return 0; 827 828 err: 829 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 830 831 return ret; 832 } 833 834 835 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d, 836 int cmd, int arg) 837 { 838 int ret; 839 840 switch (cmd) { 841 case FC0011_FE_CALLBACK_POWER: 842 /* Tuner enable */ 843 ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1); 844 if (ret < 0) 845 goto err; 846 847 ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1); 848 if (ret < 0) 849 goto err; 850 851 ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1); 852 if (ret < 0) 853 goto err; 854 855 /* LED */ 856 ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1); 857 if (ret < 0) 858 goto err; 859 860 ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1); 861 if (ret < 0) 862 goto err; 863 864 usleep_range(10000, 50000); 865 break; 866 case FC0011_FE_CALLBACK_RESET: 867 ret = af9035_wr_reg(d, 0xd8e9, 1); 868 if (ret < 0) 869 goto err; 870 871 ret = af9035_wr_reg(d, 0xd8e8, 1); 872 if (ret < 0) 873 goto err; 874 875 ret = af9035_wr_reg(d, 0xd8e7, 1); 876 if (ret < 0) 877 goto err; 878 879 usleep_range(10000, 20000); 880 881 ret = af9035_wr_reg(d, 0xd8e7, 0); 882 if (ret < 0) 883 goto err; 884 885 usleep_range(10000, 20000); 886 break; 887 default: 888 ret = -EINVAL; 889 goto err; 890 } 891 892 return 0; 893 894 err: 895 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 896 897 return ret; 898 } 899 900 static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) 901 { 902 struct state *state = d_to_priv(d); 903 904 switch (state->af9033_config[0].tuner) { 905 case AF9033_TUNER_FC0011: 906 return af9035_fc0011_tuner_callback(d, cmd, arg); 907 case AF9033_TUNER_TUA9001: 908 return af9035_tua9001_tuner_callback(d, cmd, arg); 909 default: 910 break; 911 } 912 913 return 0; 914 } 915 916 static int af9035_frontend_callback(void *adapter_priv, int component, 917 int cmd, int arg) 918 { 919 struct i2c_adapter *adap = adapter_priv; 920 struct dvb_usb_device *d = i2c_get_adapdata(adap); 921 922 dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n", 923 __func__, component, cmd, arg); 924 925 switch (component) { 926 case DVB_FRONTEND_COMPONENT_TUNER: 927 return af9035_tuner_callback(d, cmd, arg); 928 default: 929 break; 930 } 931 932 return 0; 933 } 934 935 static int af9035_get_adapter_count(struct dvb_usb_device *d) 936 { 937 struct state *state = d_to_priv(d); 938 939 /* disable 2nd adapter as we don't have PID filters implemented */ 940 if (d->udev->speed == USB_SPEED_FULL) 941 return 1; 942 else 943 return state->dual_mode + 1; 944 } 945 946 static int af9035_frontend_attach(struct dvb_usb_adapter *adap) 947 { 948 struct state *state = adap_to_priv(adap); 949 struct dvb_usb_device *d = adap_to_d(adap); 950 int ret; 951 dev_dbg(&d->udev->dev, "%s:\n", __func__); 952 953 if (!state->af9033_config[adap->id].tuner) { 954 /* unsupported tuner */ 955 ret = -ENODEV; 956 goto err; 957 } 958 959 /* attach demodulator */ 960 adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id], 961 &d->i2c_adap); 962 if (adap->fe[0] == NULL) { 963 ret = -ENODEV; 964 goto err; 965 } 966 967 /* disable I2C-gate */ 968 adap->fe[0]->ops.i2c_gate_ctrl = NULL; 969 adap->fe[0]->callback = af9035_frontend_callback; 970 971 return 0; 972 973 err: 974 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 975 976 return ret; 977 } 978 979 static struct tua9001_config af9035_tua9001_config = { 980 .i2c_addr = 0x60, 981 }; 982 983 static const struct fc0011_config af9035_fc0011_config = { 984 .i2c_address = 0x60, 985 }; 986 987 static struct mxl5007t_config af9035_mxl5007t_config[] = { 988 { 989 .xtal_freq_hz = MxL_XTAL_24_MHZ, 990 .if_freq_hz = MxL_IF_4_57_MHZ, 991 .invert_if = 0, 992 .loop_thru_enable = 0, 993 .clk_out_enable = 0, 994 .clk_out_amp = MxL_CLKOUT_AMP_0_94V, 995 }, { 996 .xtal_freq_hz = MxL_XTAL_24_MHZ, 997 .if_freq_hz = MxL_IF_4_57_MHZ, 998 .invert_if = 0, 999 .loop_thru_enable = 1, 1000 .clk_out_enable = 1, 1001 .clk_out_amp = MxL_CLKOUT_AMP_0_94V, 1002 } 1003 }; 1004 1005 static struct tda18218_config af9035_tda18218_config = { 1006 .i2c_address = 0x60, 1007 .i2c_wr_max = 21, 1008 }; 1009 1010 static const struct fc2580_config af9035_fc2580_config = { 1011 .i2c_addr = 0x56, 1012 .clock = 16384000, 1013 }; 1014 1015 static const struct fc0012_config af9035_fc0012_config[] = { 1016 { 1017 .i2c_address = 0x63, 1018 .xtal_freq = FC_XTAL_36_MHZ, 1019 .dual_master = true, 1020 .loop_through = true, 1021 .clock_out = true, 1022 }, { 1023 .i2c_address = 0x63 | 0x80, /* I2C bus select hack */ 1024 .xtal_freq = FC_XTAL_36_MHZ, 1025 .dual_master = true, 1026 } 1027 }; 1028 1029 static int af9035_tuner_attach(struct dvb_usb_adapter *adap) 1030 { 1031 struct state *state = adap_to_priv(adap); 1032 struct dvb_usb_device *d = adap_to_d(adap); 1033 int ret; 1034 struct dvb_frontend *fe; 1035 struct i2c_msg msg[1]; 1036 u8 tuner_addr; 1037 dev_dbg(&d->udev->dev, "%s:\n", __func__); 1038 1039 /* 1040 * XXX: Hack used in that function: we abuse unused I2C address bit [7] 1041 * to carry info about used I2C bus for dual tuner configuration. 1042 */ 1043 1044 switch (state->af9033_config[adap->id].tuner) { 1045 case AF9033_TUNER_TUA9001: 1046 /* AF9035 gpiot3 = TUA9001 RESETN 1047 AF9035 gpiot2 = TUA9001 RXEN */ 1048 1049 /* configure gpiot2 and gpiot2 as output */ 1050 ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01); 1051 if (ret < 0) 1052 goto err; 1053 1054 ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01); 1055 if (ret < 0) 1056 goto err; 1057 1058 ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01); 1059 if (ret < 0) 1060 goto err; 1061 1062 ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01); 1063 if (ret < 0) 1064 goto err; 1065 1066 /* attach tuner */ 1067 fe = dvb_attach(tua9001_attach, adap->fe[0], 1068 &d->i2c_adap, &af9035_tua9001_config); 1069 break; 1070 case AF9033_TUNER_FC0011: 1071 fe = dvb_attach(fc0011_attach, adap->fe[0], 1072 &d->i2c_adap, &af9035_fc0011_config); 1073 break; 1074 case AF9033_TUNER_MXL5007T: 1075 if (adap->id == 0) { 1076 ret = af9035_wr_reg(d, 0x00d8e0, 1); 1077 if (ret < 0) 1078 goto err; 1079 1080 ret = af9035_wr_reg(d, 0x00d8e1, 1); 1081 if (ret < 0) 1082 goto err; 1083 1084 ret = af9035_wr_reg(d, 0x00d8df, 0); 1085 if (ret < 0) 1086 goto err; 1087 1088 msleep(30); 1089 1090 ret = af9035_wr_reg(d, 0x00d8df, 1); 1091 if (ret < 0) 1092 goto err; 1093 1094 msleep(300); 1095 1096 ret = af9035_wr_reg(d, 0x00d8c0, 1); 1097 if (ret < 0) 1098 goto err; 1099 1100 ret = af9035_wr_reg(d, 0x00d8c1, 1); 1101 if (ret < 0) 1102 goto err; 1103 1104 ret = af9035_wr_reg(d, 0x00d8bf, 0); 1105 if (ret < 0) 1106 goto err; 1107 1108 ret = af9035_wr_reg(d, 0x00d8b4, 1); 1109 if (ret < 0) 1110 goto err; 1111 1112 ret = af9035_wr_reg(d, 0x00d8b5, 1); 1113 if (ret < 0) 1114 goto err; 1115 1116 ret = af9035_wr_reg(d, 0x00d8b3, 1); 1117 if (ret < 0) 1118 goto err; 1119 1120 tuner_addr = 0x60; 1121 } else { 1122 tuner_addr = 0x60 | 0x80; /* I2C bus hack */ 1123 } 1124 1125 /* attach tuner */ 1126 fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap, 1127 tuner_addr, &af9035_mxl5007t_config[adap->id]); 1128 break; 1129 case AF9033_TUNER_TDA18218: 1130 /* attach tuner */ 1131 fe = dvb_attach(tda18218_attach, adap->fe[0], 1132 &d->i2c_adap, &af9035_tda18218_config); 1133 break; 1134 case AF9033_TUNER_FC2580: 1135 /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */ 1136 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01); 1137 if (ret < 0) 1138 goto err; 1139 1140 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01); 1141 if (ret < 0) 1142 goto err; 1143 1144 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01); 1145 if (ret < 0) 1146 goto err; 1147 1148 usleep_range(10000, 50000); 1149 /* attach tuner */ 1150 fe = dvb_attach(fc2580_attach, adap->fe[0], 1151 &d->i2c_adap, &af9035_fc2580_config); 1152 break; 1153 case AF9033_TUNER_FC0012: 1154 /* 1155 * AF9035 gpiot2 = FC0012 enable 1156 * XXX: there seems to be something on gpioh8 too, but on my 1157 * my test I didn't find any difference. 1158 */ 1159 1160 if (adap->id == 0) { 1161 /* configure gpiot2 as output and high */ 1162 ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01); 1163 if (ret < 0) 1164 goto err; 1165 1166 ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01); 1167 if (ret < 0) 1168 goto err; 1169 1170 ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01); 1171 if (ret < 0) 1172 goto err; 1173 } else { 1174 /* 1175 * FIXME: That belongs for the FC0012 driver. 1176 * Write 02 to FC0012 master tuner register 0d directly 1177 * in order to make slave tuner working. 1178 */ 1179 msg[0].addr = 0x63; 1180 msg[0].flags = 0; 1181 msg[0].len = 2; 1182 msg[0].buf = "\x0d\x02"; 1183 ret = i2c_transfer(&d->i2c_adap, msg, 1); 1184 if (ret < 0) 1185 goto err; 1186 } 1187 1188 usleep_range(10000, 50000); 1189 1190 fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, 1191 &af9035_fc0012_config[adap->id]); 1192 break; 1193 case AF9033_TUNER_IT9135_38: 1194 case AF9033_TUNER_IT9135_51: 1195 case AF9033_TUNER_IT9135_52: 1196 case AF9033_TUNER_IT9135_60: 1197 case AF9033_TUNER_IT9135_61: 1198 case AF9033_TUNER_IT9135_62: 1199 /* attach tuner */ 1200 fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap, 1201 state->af9033_config[adap->id].i2c_addr, 1202 state->af9033_config[0].tuner); 1203 break; 1204 default: 1205 fe = NULL; 1206 } 1207 1208 if (fe == NULL) { 1209 ret = -ENODEV; 1210 goto err; 1211 } 1212 1213 return 0; 1214 1215 err: 1216 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1217 1218 return ret; 1219 } 1220 1221 static int af9035_init(struct dvb_usb_device *d) 1222 { 1223 struct state *state = d_to_priv(d); 1224 int ret, i; 1225 u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4; 1226 u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4; 1227 struct reg_val_mask tab[] = { 1228 { 0x80f99d, 0x01, 0x01 }, 1229 { 0x80f9a4, 0x01, 0x01 }, 1230 { 0x00dd11, 0x00, 0x20 }, 1231 { 0x00dd11, 0x00, 0x40 }, 1232 { 0x00dd13, 0x00, 0x20 }, 1233 { 0x00dd13, 0x00, 0x40 }, 1234 { 0x00dd11, 0x20, 0x20 }, 1235 { 0x00dd88, (frame_size >> 0) & 0xff, 0xff}, 1236 { 0x00dd89, (frame_size >> 8) & 0xff, 0xff}, 1237 { 0x00dd0c, packet_size, 0xff}, 1238 { 0x00dd11, state->dual_mode << 6, 0x40 }, 1239 { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff}, 1240 { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff}, 1241 { 0x00dd0d, packet_size, 0xff }, 1242 { 0x80f9a3, state->dual_mode, 0x01 }, 1243 { 0x80f9cd, state->dual_mode, 0x01 }, 1244 { 0x80f99d, 0x00, 0x01 }, 1245 { 0x80f9a4, 0x00, 0x01 }, 1246 }; 1247 1248 dev_dbg(&d->udev->dev, 1249 "%s: USB speed=%d frame_size=%04x packet_size=%02x\n", 1250 __func__, d->udev->speed, frame_size, packet_size); 1251 1252 /* init endpoints */ 1253 for (i = 0; i < ARRAY_SIZE(tab); i++) { 1254 ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val, 1255 tab[i].mask); 1256 if (ret < 0) 1257 goto err; 1258 } 1259 1260 return 0; 1261 1262 err: 1263 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1264 1265 return ret; 1266 } 1267 1268 #if IS_ENABLED(CONFIG_RC_CORE) 1269 static int af9035_rc_query(struct dvb_usb_device *d) 1270 { 1271 int ret; 1272 u32 key; 1273 u8 buf[4]; 1274 struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf }; 1275 1276 ret = af9035_ctrl_msg(d, &req); 1277 if (ret == 1) 1278 return 0; 1279 else if (ret < 0) 1280 goto err; 1281 1282 if ((buf[2] + buf[3]) == 0xff) { 1283 if ((buf[0] + buf[1]) == 0xff) { 1284 /* NEC standard 16bit */ 1285 key = buf[0] << 8 | buf[2]; 1286 } else { 1287 /* NEC extended 24bit */ 1288 key = buf[0] << 16 | buf[1] << 8 | buf[2]; 1289 } 1290 } else { 1291 /* NEC full code 32bit */ 1292 key = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]; 1293 } 1294 1295 dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf); 1296 1297 rc_keydown(d->rc_dev, key, 0); 1298 1299 return 0; 1300 1301 err: 1302 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1303 1304 return ret; 1305 } 1306 1307 static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) 1308 { 1309 struct state *state = d_to_priv(d); 1310 int ret; 1311 u8 tmp; 1312 1313 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp); 1314 if (ret < 0) 1315 goto err; 1316 1317 dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp); 1318 1319 /* don't activate rc if in HID mode or if not available */ 1320 if (tmp == 5) { 1321 ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE, 1322 &tmp); 1323 if (ret < 0) 1324 goto err; 1325 1326 dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp); 1327 1328 switch (tmp) { 1329 case 0: /* NEC */ 1330 default: 1331 rc->allowed_protos = RC_BIT_NEC; 1332 break; 1333 case 1: /* RC6 */ 1334 rc->allowed_protos = RC_BIT_RC6_MCE; 1335 break; 1336 } 1337 1338 rc->query = af9035_rc_query; 1339 rc->interval = 500; 1340 1341 /* load empty to enable rc */ 1342 if (!rc->map_name) 1343 rc->map_name = RC_MAP_EMPTY; 1344 } 1345 1346 return 0; 1347 1348 err: 1349 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1350 1351 return ret; 1352 } 1353 #else 1354 #define af9035_get_rc_config NULL 1355 #endif 1356 1357 static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, 1358 struct usb_data_stream_properties *stream) 1359 { 1360 struct dvb_usb_device *d = fe_to_d(fe); 1361 dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id); 1362 1363 if (d->udev->speed == USB_SPEED_FULL) 1364 stream->u.bulk.buffersize = 5 * 188; 1365 1366 return 0; 1367 } 1368 1369 /* 1370 * FIXME: PID filter is property of demodulator and should be moved to the 1371 * correct driver. Also we support only adapter #0 PID filter and will 1372 * disable adapter #1 if USB1.1 is used. 1373 */ 1374 static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) 1375 { 1376 struct dvb_usb_device *d = adap_to_d(adap); 1377 int ret; 1378 1379 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); 1380 1381 ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01); 1382 if (ret < 0) 1383 goto err; 1384 1385 return 0; 1386 1387 err: 1388 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1389 1390 return ret; 1391 } 1392 1393 static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, 1394 int onoff) 1395 { 1396 struct dvb_usb_device *d = adap_to_d(adap); 1397 int ret; 1398 u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff}; 1399 1400 dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n", 1401 __func__, index, pid, onoff); 1402 1403 ret = af9035_wr_regs(d, 0x80f996, wbuf, 2); 1404 if (ret < 0) 1405 goto err; 1406 1407 ret = af9035_wr_reg(d, 0x80f994, onoff); 1408 if (ret < 0) 1409 goto err; 1410 1411 ret = af9035_wr_reg(d, 0x80f995, index); 1412 if (ret < 0) 1413 goto err; 1414 1415 return 0; 1416 1417 err: 1418 dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); 1419 1420 return ret; 1421 } 1422 1423 static int af9035_probe(struct usb_interface *intf, 1424 const struct usb_device_id *id) 1425 { 1426 struct usb_device *udev = interface_to_usbdev(intf); 1427 char manufacturer[sizeof("Afatech")]; 1428 1429 memset(manufacturer, 0, sizeof(manufacturer)); 1430 usb_string(udev, udev->descriptor.iManufacturer, 1431 manufacturer, sizeof(manufacturer)); 1432 /* 1433 * There is two devices having same ID but different chipset. One uses 1434 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb 1435 * is iManufacturer string. 1436 * 1437 * idVendor 0x0ccd TerraTec Electronic GmbH 1438 * idProduct 0x0099 1439 * bcdDevice 2.00 1440 * iManufacturer 1 Afatech 1441 * iProduct 2 DVB-T 2 1442 * 1443 * idVendor 0x0ccd TerraTec Electronic GmbH 1444 * idProduct 0x0099 1445 * bcdDevice 2.00 1446 * iManufacturer 1 ITE Technologies, Inc. 1447 * iProduct 2 DVB-T TV Stick 1448 */ 1449 if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) && 1450 (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) { 1451 if (!strcmp("Afatech", manufacturer)) { 1452 dev_dbg(&udev->dev, "%s: rejecting device\n", __func__); 1453 return -ENODEV; 1454 } 1455 } 1456 1457 return dvb_usbv2_probe(intf, id); 1458 } 1459 1460 /* interface 0 is used by DVB-T receiver and 1461 interface 1 is for remote controller (HID) */ 1462 static const struct dvb_usb_device_properties af9035_props = { 1463 .driver_name = KBUILD_MODNAME, 1464 .owner = THIS_MODULE, 1465 .adapter_nr = adapter_nr, 1466 .size_of_priv = sizeof(struct state), 1467 1468 .generic_bulk_ctrl_endpoint = 0x02, 1469 .generic_bulk_ctrl_endpoint_response = 0x81, 1470 1471 .identify_state = af9035_identify_state, 1472 .download_firmware = af9035_download_firmware, 1473 1474 .i2c_algo = &af9035_i2c_algo, 1475 .read_config = af9035_read_config, 1476 .frontend_attach = af9035_frontend_attach, 1477 .tuner_attach = af9035_tuner_attach, 1478 .init = af9035_init, 1479 .get_rc_config = af9035_get_rc_config, 1480 .get_stream_config = af9035_get_stream_config, 1481 1482 .get_adapter_count = af9035_get_adapter_count, 1483 .adapter = { 1484 { 1485 .caps = DVB_USB_ADAP_HAS_PID_FILTER | 1486 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1487 1488 .pid_filter_count = 32, 1489 .pid_filter_ctrl = af9035_pid_filter_ctrl, 1490 .pid_filter = af9035_pid_filter, 1491 1492 .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188), 1493 }, { 1494 .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188), 1495 }, 1496 }, 1497 }; 1498 1499 static const struct usb_device_id af9035_id_table[] = { 1500 /* AF9035 devices */ 1501 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035, 1502 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1503 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000, 1504 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1505 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001, 1506 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1507 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002, 1508 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1509 { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003, 1510 &af9035_props, "Afatech AF9035 reference design", NULL) }, 1511 { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK, 1512 &af9035_props, "TerraTec Cinergy T Stick", NULL) }, 1513 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835, 1514 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, 1515 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835, 1516 &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) }, 1517 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867, 1518 &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, 1519 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867, 1520 &af9035_props, "AVerMedia HD Volar (A867)", NULL) }, 1521 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR, 1522 &af9035_props, "AVerMedia Twinstar (A825)", NULL) }, 1523 { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS, 1524 &af9035_props, "Asus U3100Mini Plus", NULL) }, 1525 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa, 1526 &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) }, 1527 /* IT9135 devices */ 1528 #if 0 1529 { DVB_USB_DEVICE(0x048d, 0x9135, 1530 &af9035_props, "IT9135 reference design", NULL) }, 1531 { DVB_USB_DEVICE(0x048d, 0x9006, 1532 &af9035_props, "IT9135 reference design", NULL) }, 1533 #endif 1534 /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */ 1535 { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099, 1536 &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) }, 1537 { } 1538 }; 1539 MODULE_DEVICE_TABLE(usb, af9035_id_table); 1540 1541 static struct usb_driver af9035_usb_driver = { 1542 .name = KBUILD_MODNAME, 1543 .id_table = af9035_id_table, 1544 .probe = af9035_probe, 1545 .disconnect = dvb_usbv2_disconnect, 1546 .suspend = dvb_usbv2_suspend, 1547 .resume = dvb_usbv2_resume, 1548 .reset_resume = dvb_usbv2_reset_resume, 1549 .no_dynamic_id = 1, 1550 .soft_unbind = 1, 1551 }; 1552 1553 module_usb_driver(af9035_usb_driver); 1554 1555 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1556 MODULE_DESCRIPTION("Afatech AF9035 driver"); 1557 MODULE_LICENSE("GPL"); 1558 MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035); 1559 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1); 1560 MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2); 1561