af9035.c 37 KB

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