af9035.c 36 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. __func__, req->wlen, req->rlen);
  51. ret = -EINVAL;
  52. goto err;
  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 err;
  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, "%s: command=%02x checksum mismatch " \
  80. "(%04x != %04x)\n", KBUILD_MODNAME, req->cmd,
  81. tmp_checksum, checksum);
  82. ret = -EIO;
  83. goto err;
  84. }
  85. /* check status */
  86. if (state->buf[2]) {
  87. dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n",
  88. __func__, req->cmd, state->buf[2]);
  89. ret = -EIO;
  90. goto err;
  91. }
  92. /* read request, copy returned data to return buf */
  93. if (req->rlen)
  94. memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen);
  95. exit:
  96. err:
  97. mutex_unlock(&d->usb_mutex);
  98. if (ret)
  99. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  100. return ret;
  101. }
  102. /* write multiple registers */
  103. static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
  104. {
  105. u8 wbuf[6 + len];
  106. u8 mbox = (reg >> 16) & 0xff;
  107. struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL };
  108. wbuf[0] = len;
  109. wbuf[1] = 2;
  110. wbuf[2] = 0;
  111. wbuf[3] = 0;
  112. wbuf[4] = (reg >> 8) & 0xff;
  113. wbuf[5] = (reg >> 0) & 0xff;
  114. memcpy(&wbuf[6], val, len);
  115. return af9035_ctrl_msg(d, &req);
  116. }
  117. /* read multiple registers */
  118. static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
  119. {
  120. u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
  121. u8 mbox = (reg >> 16) & 0xff;
  122. struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };
  123. return af9035_ctrl_msg(d, &req);
  124. }
  125. /* write single register */
  126. static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
  127. {
  128. return af9035_wr_regs(d, reg, &val, 1);
  129. }
  130. /* read single register */
  131. static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
  132. {
  133. return af9035_rd_regs(d, reg, val, 1);
  134. }
  135. /* write single register with mask */
  136. static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
  137. u8 mask)
  138. {
  139. int ret;
  140. u8 tmp;
  141. /* no need for read if whole reg is written */
  142. if (mask != 0xff) {
  143. ret = af9035_rd_regs(d, reg, &tmp, 1);
  144. if (ret)
  145. return ret;
  146. val &= mask;
  147. tmp &= ~mask;
  148. val |= tmp;
  149. }
  150. return af9035_wr_regs(d, reg, &val, 1);
  151. }
  152. static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
  153. struct i2c_msg msg[], int num)
  154. {
  155. struct dvb_usb_device *d = i2c_get_adapdata(adap);
  156. struct state *state = d_to_priv(d);
  157. int ret;
  158. if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
  159. return -EAGAIN;
  160. /*
  161. * I2C sub header is 5 bytes long. Meaning of those bytes are:
  162. * 0: data len
  163. * 1: I2C addr << 1
  164. * 2: reg addr len
  165. * byte 3 and 4 can be used as reg addr
  166. * 3: reg addr MSB
  167. * used when reg addr len is set to 2
  168. * 4: reg addr LSB
  169. * used when reg addr len is set to 1 or 2
  170. *
  171. * For the simplify we do not use register addr at all.
  172. * NOTE: As a firmware knows tuner type there is very small possibility
  173. * there could be some tuner I2C hacks done by firmware and this may
  174. * lead problems if firmware expects those bytes are used.
  175. */
  176. if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
  177. (msg[1].flags & I2C_M_RD)) {
  178. if (msg[0].len > 40 || msg[1].len > 40) {
  179. /* TODO: correct limits > 40 */
  180. ret = -EOPNOTSUPP;
  181. } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
  182. (msg[0].addr == state->af9033_config[1].i2c_addr)) {
  183. /* demod access via firmware interface */
  184. u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
  185. msg[0].buf[2];
  186. if (msg[0].addr == state->af9033_config[1].i2c_addr)
  187. reg |= 0x100000;
  188. ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
  189. msg[1].len);
  190. } else {
  191. /* I2C */
  192. u8 buf[5 + msg[0].len];
  193. struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
  194. buf, msg[1].len, msg[1].buf };
  195. req.mbox |= ((msg[0].addr & 0x80) >> 3);
  196. buf[0] = msg[1].len;
  197. buf[1] = msg[0].addr << 1;
  198. buf[2] = 0x00; /* reg addr len */
  199. buf[3] = 0x00; /* reg addr MSB */
  200. buf[4] = 0x00; /* reg addr LSB */
  201. memcpy(&buf[5], msg[0].buf, msg[0].len);
  202. ret = af9035_ctrl_msg(d, &req);
  203. }
  204. } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
  205. if (msg[0].len > 40) {
  206. /* TODO: correct limits > 40 */
  207. ret = -EOPNOTSUPP;
  208. } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
  209. (msg[0].addr == state->af9033_config[1].i2c_addr)) {
  210. /* demod access via firmware interface */
  211. u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
  212. msg[0].buf[2];
  213. if (msg[0].addr == state->af9033_config[1].i2c_addr)
  214. reg |= 0x100000;
  215. ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
  216. msg[0].len - 3);
  217. } else {
  218. /* I2C */
  219. u8 buf[5 + msg[0].len];
  220. struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
  221. 0, NULL };
  222. req.mbox |= ((msg[0].addr & 0x80) >> 3);
  223. buf[0] = msg[0].len;
  224. buf[1] = msg[0].addr << 1;
  225. buf[2] = 0x00; /* reg addr len */
  226. buf[3] = 0x00; /* reg addr MSB */
  227. buf[4] = 0x00; /* reg addr LSB */
  228. memcpy(&buf[5], msg[0].buf, msg[0].len);
  229. ret = af9035_ctrl_msg(d, &req);
  230. }
  231. } else {
  232. /*
  233. * We support only two kind of I2C transactions:
  234. * 1) 1 x read + 1 x write
  235. * 2) 1 x write
  236. */
  237. ret = -EOPNOTSUPP;
  238. }
  239. mutex_unlock(&d->i2c_mutex);
  240. if (ret < 0)
  241. return ret;
  242. else
  243. return num;
  244. }
  245. static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
  246. {
  247. return I2C_FUNC_I2C;
  248. }
  249. static struct i2c_algorithm af9035_i2c_algo = {
  250. .master_xfer = af9035_i2c_master_xfer,
  251. .functionality = af9035_i2c_functionality,
  252. };
  253. static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
  254. {
  255. struct state *state = d_to_priv(d);
  256. int ret;
  257. u8 wbuf[1] = { 1 };
  258. u8 rbuf[4];
  259. struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
  260. sizeof(rbuf), rbuf };
  261. ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
  262. if (ret < 0)
  263. goto err;
  264. state->chip_version = rbuf[0];
  265. state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;
  266. ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
  267. if (ret < 0)
  268. goto err;
  269. dev_info(&d->udev->dev,
  270. "%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
  271. __func__, state->prechip_version, state->chip_version,
  272. state->chip_type);
  273. if (state->chip_type == 0x9135) {
  274. if (state->chip_version == 2)
  275. *name = AF9035_FIRMWARE_IT9135_V2;
  276. else
  277. *name = AF9035_FIRMWARE_IT9135_V1;
  278. } else {
  279. *name = AF9035_FIRMWARE_AF9035;
  280. }
  281. ret = af9035_ctrl_msg(d, &req);
  282. if (ret < 0)
  283. goto err;
  284. dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf);
  285. if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
  286. ret = WARM;
  287. else
  288. ret = COLD;
  289. return ret;
  290. err:
  291. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  292. return ret;
  293. }
  294. static int af9035_download_firmware_af9035(struct dvb_usb_device *d,
  295. const struct firmware *fw)
  296. {
  297. int ret, i, j, len;
  298. u8 wbuf[1];
  299. u8 rbuf[4];
  300. struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
  301. struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
  302. struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
  303. u8 hdr_core, tmp;
  304. u16 hdr_addr, hdr_data_len, hdr_checksum;
  305. #define MAX_DATA 58
  306. #define HDR_SIZE 7
  307. /*
  308. * In case of dual tuner configuration we need to do some extra
  309. * initialization in order to download firmware to slave demod too,
  310. * which is done by master demod.
  311. * Master feeds also clock and controls power via GPIO.
  312. */
  313. ret = af9035_rd_reg(d, EEPROM_BASE_AF9035 + EEPROM_DUAL_MODE, &tmp);
  314. if (ret < 0)
  315. goto err;
  316. if (tmp) {
  317. /* configure gpioh1, reset & power slave demod */
  318. ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
  319. if (ret < 0)
  320. goto err;
  321. ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
  322. if (ret < 0)
  323. goto err;
  324. ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
  325. if (ret < 0)
  326. goto err;
  327. usleep_range(10000, 50000);
  328. ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
  329. if (ret < 0)
  330. goto err;
  331. /* tell the slave I2C address */
  332. ret = af9035_rd_reg(d,
  333. EEPROM_BASE_AF9035 + EEPROM_2ND_DEMOD_ADDR,
  334. &tmp);
  335. if (ret < 0)
  336. goto err;
  337. ret = af9035_wr_reg(d, 0x00417f, tmp);
  338. if (ret < 0)
  339. goto err;
  340. /* enable clock out */
  341. ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
  342. if (ret < 0)
  343. goto err;
  344. }
  345. /*
  346. * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
  347. *
  348. * byte 0: MCS 51 core
  349. * There are two inside the AF9035 (1=Link and 2=OFDM) with separate
  350. * address spaces
  351. * byte 1-2: Big endian destination address
  352. * byte 3-4: Big endian number of data bytes following the header
  353. * byte 5-6: Big endian header checksum, apparently ignored by the chip
  354. * Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
  355. */
  356. for (i = fw->size; i > HDR_SIZE;) {
  357. hdr_core = fw->data[fw->size - i + 0];
  358. hdr_addr = fw->data[fw->size - i + 1] << 8;
  359. hdr_addr |= fw->data[fw->size - i + 2] << 0;
  360. hdr_data_len = fw->data[fw->size - i + 3] << 8;
  361. hdr_data_len |= fw->data[fw->size - i + 4] << 0;
  362. hdr_checksum = fw->data[fw->size - i + 5] << 8;
  363. hdr_checksum |= fw->data[fw->size - i + 6] << 0;
  364. dev_dbg(&d->udev->dev, "%s: core=%d addr=%04x data_len=%d " \
  365. "checksum=%04x\n", __func__, hdr_core, hdr_addr,
  366. hdr_data_len, hdr_checksum);
  367. if (((hdr_core != 1) && (hdr_core != 2)) ||
  368. (hdr_data_len > i)) {
  369. dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__);
  370. break;
  371. }
  372. /* download begin packet */
  373. req.cmd = CMD_FW_DL_BEGIN;
  374. ret = af9035_ctrl_msg(d, &req);
  375. if (ret < 0)
  376. goto err;
  377. /* download firmware packet(s) */
  378. for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
  379. len = j;
  380. if (len > MAX_DATA)
  381. len = MAX_DATA;
  382. req_fw_dl.wlen = len;
  383. req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
  384. HDR_SIZE + hdr_data_len - j];
  385. ret = af9035_ctrl_msg(d, &req_fw_dl);
  386. if (ret < 0)
  387. goto err;
  388. }
  389. /* download end packet */
  390. req.cmd = CMD_FW_DL_END;
  391. ret = af9035_ctrl_msg(d, &req);
  392. if (ret < 0)
  393. goto err;
  394. i -= hdr_data_len + HDR_SIZE;
  395. dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n",
  396. __func__, fw->size - i);
  397. }
  398. /* print warn if firmware is bad, continue and see what happens */
  399. if (i)
  400. dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);
  401. /* firmware loaded, request boot */
  402. req.cmd = CMD_FW_BOOT;
  403. ret = af9035_ctrl_msg(d, &req);
  404. if (ret < 0)
  405. goto err;
  406. /* ensure firmware starts */
  407. wbuf[0] = 1;
  408. ret = af9035_ctrl_msg(d, &req_fw_ver);
  409. if (ret < 0)
  410. goto err;
  411. if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
  412. dev_err(&d->udev->dev, "%s: firmware did not run\n",
  413. KBUILD_MODNAME);
  414. ret = -ENODEV;
  415. goto err;
  416. }
  417. dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
  418. KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
  419. return 0;
  420. err:
  421. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  422. return ret;
  423. }
  424. static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
  425. const struct firmware *fw)
  426. {
  427. int ret, i, i_prev;
  428. u8 wbuf[1];
  429. u8 rbuf[4];
  430. struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
  431. struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
  432. struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
  433. #define HDR_SIZE 7
  434. /*
  435. * There seems to be following firmware header. Meaning of bytes 0-3
  436. * is unknown.
  437. *
  438. * 0: 3
  439. * 1: 0, 1
  440. * 2: 0
  441. * 3: 1, 2, 3
  442. * 4: addr MSB
  443. * 5: addr LSB
  444. * 6: count of data bytes ?
  445. */
  446. for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
  447. if (i == fw->size ||
  448. (fw->data[i + 0] == 0x03 &&
  449. (fw->data[i + 1] == 0x00 ||
  450. fw->data[i + 1] == 0x01) &&
  451. fw->data[i + 2] == 0x00)) {
  452. req_fw_dl.wlen = i - i_prev;
  453. req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
  454. i_prev = i;
  455. ret = af9035_ctrl_msg(d, &req_fw_dl);
  456. if (ret < 0)
  457. goto err;
  458. dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n",
  459. __func__, i);
  460. }
  461. }
  462. /* firmware loaded, request boot */
  463. req.cmd = CMD_FW_BOOT;
  464. ret = af9035_ctrl_msg(d, &req);
  465. if (ret < 0)
  466. goto err;
  467. /* ensure firmware starts */
  468. wbuf[0] = 1;
  469. ret = af9035_ctrl_msg(d, &req_fw_ver);
  470. if (ret < 0)
  471. goto err;
  472. if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
  473. dev_err(&d->udev->dev, "%s: firmware did not run\n",
  474. KBUILD_MODNAME);
  475. ret = -ENODEV;
  476. goto err;
  477. }
  478. dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
  479. KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
  480. return 0;
  481. err:
  482. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  483. return ret;
  484. }
  485. static int af9035_download_firmware(struct dvb_usb_device *d,
  486. const struct firmware *fw)
  487. {
  488. struct state *state = d_to_priv(d);
  489. if (state->chip_type == 0x9135)
  490. return af9035_download_firmware_it9135(d, fw);
  491. else
  492. return af9035_download_firmware_af9035(d, fw);
  493. }
  494. static int af9035_read_config(struct dvb_usb_device *d)
  495. {
  496. struct state *state = d_to_priv(d);
  497. int ret, i;
  498. u8 tmp;
  499. u16 tmp16, addr;
  500. /* demod I2C "address" */
  501. state->af9033_config[0].i2c_addr = 0x38;
  502. state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
  503. /* eeprom memory mapped location */
  504. if (state->chip_type == 0x9135) {
  505. /* check if eeprom exists */
  506. if (state->chip_version == 2)
  507. ret = af9035_rd_reg(d, 0x00461d, &tmp);
  508. else
  509. ret = af9035_rd_reg(d, 0x00461b, &tmp);
  510. if (ret < 0)
  511. goto err;
  512. if (tmp) {
  513. addr = EEPROM_BASE_IT9135;
  514. } else {
  515. state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
  516. goto skip_eeprom;
  517. }
  518. } else {
  519. addr = EEPROM_BASE_AF9035;
  520. }
  521. /* check if there is dual tuners */
  522. ret = af9035_rd_reg(d, addr + EEPROM_DUAL_MODE, &tmp);
  523. if (ret < 0)
  524. goto err;
  525. state->dual_mode = tmp;
  526. dev_dbg(&d->udev->dev, "%s: dual mode=%d\n", __func__,
  527. state->dual_mode);
  528. if (state->dual_mode) {
  529. /* read 2nd demodulator I2C address */
  530. ret = af9035_rd_reg(d, addr + EEPROM_2ND_DEMOD_ADDR, &tmp);
  531. if (ret < 0)
  532. goto err;
  533. state->af9033_config[1].i2c_addr = tmp;
  534. dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
  535. __func__, tmp);
  536. }
  537. for (i = 0; i < state->dual_mode + 1; i++) {
  538. /* tuner */
  539. ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
  540. if (ret < 0)
  541. goto err;
  542. state->af9033_config[i].tuner = tmp;
  543. dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
  544. __func__, i, tmp);
  545. if (state->chip_type == 0x9135 && tmp == 0x00)
  546. state->af9033_config[i].tuner = AF9033_TUNER_IT9135_38;
  547. switch (state->af9033_config[i].tuner) {
  548. case AF9033_TUNER_TUA9001:
  549. case AF9033_TUNER_FC0011:
  550. case AF9033_TUNER_MXL5007T:
  551. case AF9033_TUNER_TDA18218:
  552. case AF9033_TUNER_FC2580:
  553. case AF9033_TUNER_FC0012:
  554. state->af9033_config[i].spec_inv = 1;
  555. break;
  556. case AF9033_TUNER_IT9135_38:
  557. case AF9033_TUNER_IT9135_51:
  558. case AF9033_TUNER_IT9135_52:
  559. case AF9033_TUNER_IT9135_60:
  560. case AF9033_TUNER_IT9135_61:
  561. case AF9033_TUNER_IT9135_62:
  562. break;
  563. default:
  564. dev_warn(&d->udev->dev,
  565. "%s: tuner id=%02x not supported, please report!",
  566. KBUILD_MODNAME, tmp);
  567. }
  568. /* disable dual mode if driver does not support it */
  569. if (i == 1)
  570. switch (tmp) {
  571. case AF9033_TUNER_FC0012:
  572. break;
  573. default:
  574. state->dual_mode = false;
  575. dev_info(&d->udev->dev,
  576. "%s: driver does not support 2nd tuner and will disable it",
  577. KBUILD_MODNAME);
  578. }
  579. /* tuner IF frequency */
  580. ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
  581. if (ret < 0)
  582. goto err;
  583. tmp16 = tmp;
  584. ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
  585. if (ret < 0)
  586. goto err;
  587. tmp16 |= tmp << 8;
  588. dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
  589. addr += 0x10; /* shift for the 2nd tuner params */
  590. }
  591. skip_eeprom:
  592. /* get demod clock */
  593. ret = af9035_rd_reg(d, 0x00d800, &tmp);
  594. if (ret < 0)
  595. goto err;
  596. tmp = (tmp >> 0) & 0x0f;
  597. for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
  598. if (state->chip_type == 0x9135)
  599. state->af9033_config[i].clock = clock_lut_it9135[tmp];
  600. else
  601. state->af9033_config[i].clock = clock_lut_af9035[tmp];
  602. }
  603. return 0;
  604. err:
  605. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  606. return ret;
  607. }
  608. static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
  609. int cmd, int arg)
  610. {
  611. int ret;
  612. u8 val;
  613. dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
  614. /*
  615. * CEN always enabled by hardware wiring
  616. * RESETN GPIOT3
  617. * RXEN GPIOT2
  618. */
  619. switch (cmd) {
  620. case TUA9001_CMD_RESETN:
  621. if (arg)
  622. val = 0x00;
  623. else
  624. val = 0x01;
  625. ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
  626. if (ret < 0)
  627. goto err;
  628. break;
  629. case TUA9001_CMD_RXEN:
  630. if (arg)
  631. val = 0x01;
  632. else
  633. val = 0x00;
  634. ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
  635. if (ret < 0)
  636. goto err;
  637. break;
  638. }
  639. return 0;
  640. err:
  641. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  642. return ret;
  643. }
  644. static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
  645. int cmd, int arg)
  646. {
  647. int ret;
  648. switch (cmd) {
  649. case FC0011_FE_CALLBACK_POWER:
  650. /* Tuner enable */
  651. ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
  652. if (ret < 0)
  653. goto err;
  654. ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
  655. if (ret < 0)
  656. goto err;
  657. ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
  658. if (ret < 0)
  659. goto err;
  660. /* LED */
  661. ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
  662. if (ret < 0)
  663. goto err;
  664. ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
  665. if (ret < 0)
  666. goto err;
  667. usleep_range(10000, 50000);
  668. break;
  669. case FC0011_FE_CALLBACK_RESET:
  670. ret = af9035_wr_reg(d, 0xd8e9, 1);
  671. if (ret < 0)
  672. goto err;
  673. ret = af9035_wr_reg(d, 0xd8e8, 1);
  674. if (ret < 0)
  675. goto err;
  676. ret = af9035_wr_reg(d, 0xd8e7, 1);
  677. if (ret < 0)
  678. goto err;
  679. usleep_range(10000, 20000);
  680. ret = af9035_wr_reg(d, 0xd8e7, 0);
  681. if (ret < 0)
  682. goto err;
  683. usleep_range(10000, 20000);
  684. break;
  685. default:
  686. ret = -EINVAL;
  687. goto err;
  688. }
  689. return 0;
  690. err:
  691. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  692. return ret;
  693. }
  694. static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
  695. {
  696. struct state *state = d_to_priv(d);
  697. switch (state->af9033_config[0].tuner) {
  698. case AF9033_TUNER_FC0011:
  699. return af9035_fc0011_tuner_callback(d, cmd, arg);
  700. case AF9033_TUNER_TUA9001:
  701. return af9035_tua9001_tuner_callback(d, cmd, arg);
  702. default:
  703. break;
  704. }
  705. return 0;
  706. }
  707. static int af9035_frontend_callback(void *adapter_priv, int component,
  708. int cmd, int arg)
  709. {
  710. struct i2c_adapter *adap = adapter_priv;
  711. struct dvb_usb_device *d = i2c_get_adapdata(adap);
  712. dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
  713. __func__, component, cmd, arg);
  714. switch (component) {
  715. case DVB_FRONTEND_COMPONENT_TUNER:
  716. return af9035_tuner_callback(d, cmd, arg);
  717. default:
  718. break;
  719. }
  720. return 0;
  721. }
  722. static int af9035_get_adapter_count(struct dvb_usb_device *d)
  723. {
  724. struct state *state = d_to_priv(d);
  725. /* disable 2nd adapter as we don't have PID filters implemented */
  726. if (d->udev->speed == USB_SPEED_FULL)
  727. return 1;
  728. else
  729. return state->dual_mode + 1;
  730. }
  731. static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
  732. {
  733. struct state *state = adap_to_priv(adap);
  734. struct dvb_usb_device *d = adap_to_d(adap);
  735. int ret;
  736. if (!state->af9033_config[adap->id].tuner) {
  737. /* unsupported tuner */
  738. ret = -ENODEV;
  739. goto err;
  740. }
  741. if (adap->id == 0) {
  742. state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
  743. state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
  744. ret = af9035_wr_reg(d, 0x00417f,
  745. state->af9033_config[1].i2c_addr);
  746. if (ret < 0)
  747. goto err;
  748. ret = af9035_wr_reg(d, 0x00d81a, state->dual_mode);
  749. if (ret < 0)
  750. goto err;
  751. }
  752. /* attach demodulator */
  753. adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
  754. &d->i2c_adap);
  755. if (adap->fe[0] == NULL) {
  756. ret = -ENODEV;
  757. goto err;
  758. }
  759. /* disable I2C-gate */
  760. adap->fe[0]->ops.i2c_gate_ctrl = NULL;
  761. adap->fe[0]->callback = af9035_frontend_callback;
  762. return 0;
  763. err:
  764. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  765. return ret;
  766. }
  767. static struct tua9001_config af9035_tua9001_config = {
  768. .i2c_addr = 0x60,
  769. };
  770. static const struct fc0011_config af9035_fc0011_config = {
  771. .i2c_address = 0x60,
  772. };
  773. static struct mxl5007t_config af9035_mxl5007t_config[] = {
  774. {
  775. .xtal_freq_hz = MxL_XTAL_24_MHZ,
  776. .if_freq_hz = MxL_IF_4_57_MHZ,
  777. .invert_if = 0,
  778. .loop_thru_enable = 0,
  779. .clk_out_enable = 0,
  780. .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
  781. }, {
  782. .xtal_freq_hz = MxL_XTAL_24_MHZ,
  783. .if_freq_hz = MxL_IF_4_57_MHZ,
  784. .invert_if = 0,
  785. .loop_thru_enable = 1,
  786. .clk_out_enable = 1,
  787. .clk_out_amp = MxL_CLKOUT_AMP_0_94V,
  788. }
  789. };
  790. static struct tda18218_config af9035_tda18218_config = {
  791. .i2c_address = 0x60,
  792. .i2c_wr_max = 21,
  793. };
  794. static const struct fc2580_config af9035_fc2580_config = {
  795. .i2c_addr = 0x56,
  796. .clock = 16384000,
  797. };
  798. static const struct fc0012_config af9035_fc0012_config[] = {
  799. {
  800. .i2c_address = 0x63,
  801. .xtal_freq = FC_XTAL_36_MHZ,
  802. .dual_master = true,
  803. .loop_through = true,
  804. .clock_out = true,
  805. }, {
  806. .i2c_address = 0x63 | 0x80, /* I2C bus select hack */
  807. .xtal_freq = FC_XTAL_36_MHZ,
  808. .dual_master = true,
  809. }
  810. };
  811. static struct ite_config af9035_it913x_config = {
  812. .chip_ver = 0x01,
  813. .chip_type = 0x9135,
  814. .firmware = 0x00000000,
  815. .firmware_ver = 1,
  816. .adc_x2 = 1,
  817. .tuner_id_0 = AF9033_TUNER_IT9135_38,
  818. .tuner_id_1 = 0x00,
  819. .dual_mode = 0x00,
  820. .adf = 0x00,
  821. /* option to read SIGNAL_LEVEL */
  822. .read_slevel = 0,
  823. };
  824. static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
  825. {
  826. struct state *state = adap_to_priv(adap);
  827. struct dvb_usb_device *d = adap_to_d(adap);
  828. int ret;
  829. struct dvb_frontend *fe;
  830. struct i2c_msg msg[1];
  831. u8 tuner_addr;
  832. /*
  833. * XXX: Hack used in that function: we abuse unused I2C address bit [7]
  834. * to carry info about used I2C bus for dual tuner configuration.
  835. */
  836. switch (state->af9033_config[adap->id].tuner) {
  837. case AF9033_TUNER_TUA9001:
  838. /* AF9035 gpiot3 = TUA9001 RESETN
  839. AF9035 gpiot2 = TUA9001 RXEN */
  840. /* configure gpiot2 and gpiot2 as output */
  841. ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
  842. if (ret < 0)
  843. goto err;
  844. ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
  845. if (ret < 0)
  846. goto err;
  847. ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
  848. if (ret < 0)
  849. goto err;
  850. ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
  851. if (ret < 0)
  852. goto err;
  853. /* attach tuner */
  854. fe = dvb_attach(tua9001_attach, adap->fe[0],
  855. &d->i2c_adap, &af9035_tua9001_config);
  856. break;
  857. case AF9033_TUNER_FC0011:
  858. fe = dvb_attach(fc0011_attach, adap->fe[0],
  859. &d->i2c_adap, &af9035_fc0011_config);
  860. break;
  861. case AF9033_TUNER_MXL5007T:
  862. if (adap->id == 0) {
  863. ret = af9035_wr_reg(d, 0x00d8e0, 1);
  864. if (ret < 0)
  865. goto err;
  866. ret = af9035_wr_reg(d, 0x00d8e1, 1);
  867. if (ret < 0)
  868. goto err;
  869. ret = af9035_wr_reg(d, 0x00d8df, 0);
  870. if (ret < 0)
  871. goto err;
  872. msleep(30);
  873. ret = af9035_wr_reg(d, 0x00d8df, 1);
  874. if (ret < 0)
  875. goto err;
  876. msleep(300);
  877. ret = af9035_wr_reg(d, 0x00d8c0, 1);
  878. if (ret < 0)
  879. goto err;
  880. ret = af9035_wr_reg(d, 0x00d8c1, 1);
  881. if (ret < 0)
  882. goto err;
  883. ret = af9035_wr_reg(d, 0x00d8bf, 0);
  884. if (ret < 0)
  885. goto err;
  886. ret = af9035_wr_reg(d, 0x00d8b4, 1);
  887. if (ret < 0)
  888. goto err;
  889. ret = af9035_wr_reg(d, 0x00d8b5, 1);
  890. if (ret < 0)
  891. goto err;
  892. ret = af9035_wr_reg(d, 0x00d8b3, 1);
  893. if (ret < 0)
  894. goto err;
  895. tuner_addr = 0x60;
  896. } else {
  897. tuner_addr = 0x60 | 0x80; /* I2C bus hack */
  898. }
  899. /* attach tuner */
  900. fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
  901. tuner_addr, &af9035_mxl5007t_config[adap->id]);
  902. break;
  903. case AF9033_TUNER_TDA18218:
  904. /* attach tuner */
  905. fe = dvb_attach(tda18218_attach, adap->fe[0],
  906. &d->i2c_adap, &af9035_tda18218_config);
  907. break;
  908. case AF9033_TUNER_FC2580:
  909. /* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on */
  910. ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
  911. if (ret < 0)
  912. goto err;
  913. ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
  914. if (ret < 0)
  915. goto err;
  916. ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
  917. if (ret < 0)
  918. goto err;
  919. usleep_range(10000, 50000);
  920. /* attach tuner */
  921. fe = dvb_attach(fc2580_attach, adap->fe[0],
  922. &d->i2c_adap, &af9035_fc2580_config);
  923. break;
  924. case AF9033_TUNER_FC0012:
  925. /*
  926. * AF9035 gpiot2 = FC0012 enable
  927. * XXX: there seems to be something on gpioh8 too, but on my
  928. * my test I didn't find any difference.
  929. */
  930. if (adap->id == 0) {
  931. /* configure gpiot2 as output and high */
  932. ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
  933. if (ret < 0)
  934. goto err;
  935. ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
  936. if (ret < 0)
  937. goto err;
  938. ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
  939. if (ret < 0)
  940. goto err;
  941. } else {
  942. /*
  943. * FIXME: That belongs for the FC0012 driver.
  944. * Write 02 to FC0012 master tuner register 0d directly
  945. * in order to make slave tuner working.
  946. */
  947. msg[0].addr = 0x63;
  948. msg[0].flags = 0;
  949. msg[0].len = 2;
  950. msg[0].buf = "\x0d\x02";
  951. ret = i2c_transfer(&d->i2c_adap, msg, 1);
  952. if (ret < 0)
  953. goto err;
  954. }
  955. usleep_range(10000, 50000);
  956. fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
  957. &af9035_fc0012_config[adap->id]);
  958. break;
  959. case AF9033_TUNER_IT9135_38:
  960. case AF9033_TUNER_IT9135_51:
  961. case AF9033_TUNER_IT9135_52:
  962. case AF9033_TUNER_IT9135_60:
  963. case AF9033_TUNER_IT9135_61:
  964. case AF9033_TUNER_IT9135_62:
  965. /* attach tuner */
  966. af9035_it913x_config.tuner_id_0 = state->af9033_config[0].tuner;
  967. fe = dvb_attach(it913x_attach, adap->fe[0],
  968. &d->i2c_adap, 0x38, &af9035_it913x_config);
  969. break;
  970. default:
  971. fe = NULL;
  972. }
  973. if (fe == NULL) {
  974. ret = -ENODEV;
  975. goto err;
  976. }
  977. return 0;
  978. err:
  979. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  980. return ret;
  981. }
  982. static int af9035_init(struct dvb_usb_device *d)
  983. {
  984. struct state *state = d_to_priv(d);
  985. int ret, i;
  986. u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
  987. u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
  988. struct reg_val_mask tab[] = {
  989. { 0x80f99d, 0x01, 0x01 },
  990. { 0x80f9a4, 0x01, 0x01 },
  991. { 0x00dd11, 0x00, 0x20 },
  992. { 0x00dd11, 0x00, 0x40 },
  993. { 0x00dd13, 0x00, 0x20 },
  994. { 0x00dd13, 0x00, 0x40 },
  995. { 0x00dd11, 0x20, 0x20 },
  996. { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
  997. { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
  998. { 0x00dd0c, packet_size, 0xff},
  999. { 0x00dd11, state->dual_mode << 6, 0x40 },
  1000. { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
  1001. { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
  1002. { 0x00dd0d, packet_size, 0xff },
  1003. { 0x80f9a3, state->dual_mode, 0x01 },
  1004. { 0x80f9cd, state->dual_mode, 0x01 },
  1005. { 0x80f99d, 0x00, 0x01 },
  1006. { 0x80f9a4, 0x00, 0x01 },
  1007. };
  1008. dev_dbg(&d->udev->dev, "%s: USB speed=%d frame_size=%04x " \
  1009. "packet_size=%02x\n", __func__,
  1010. d->udev->speed, frame_size, packet_size);
  1011. /* init endpoints */
  1012. for (i = 0; i < ARRAY_SIZE(tab); i++) {
  1013. ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
  1014. tab[i].mask);
  1015. if (ret < 0)
  1016. goto err;
  1017. }
  1018. return 0;
  1019. err:
  1020. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  1021. return ret;
  1022. }
  1023. #if IS_ENABLED(CONFIG_RC_CORE)
  1024. static int af9035_rc_query(struct dvb_usb_device *d)
  1025. {
  1026. unsigned int key;
  1027. unsigned char b[4];
  1028. int ret;
  1029. struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, b };
  1030. ret = af9035_ctrl_msg(d, &req);
  1031. if (ret < 0)
  1032. goto err;
  1033. if ((b[2] + b[3]) == 0xff) {
  1034. if ((b[0] + b[1]) == 0xff) {
  1035. /* NEC */
  1036. key = b[0] << 8 | b[2];
  1037. } else {
  1038. /* ext. NEC */
  1039. key = b[0] << 16 | b[1] << 8 | b[2];
  1040. }
  1041. } else {
  1042. key = b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3];
  1043. }
  1044. rc_keydown(d->rc_dev, key, 0);
  1045. err:
  1046. /* ignore errors */
  1047. return 0;
  1048. }
  1049. static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
  1050. {
  1051. struct state *state = d_to_priv(d);
  1052. int ret;
  1053. u8 tmp;
  1054. /* TODO: IT9135 remote control support */
  1055. if (state->chip_type == 0x9135)
  1056. return 0;
  1057. ret = af9035_rd_reg(d, EEPROM_BASE_AF9035 + EEPROM_IR_MODE, &tmp);
  1058. if (ret < 0)
  1059. goto err;
  1060. dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
  1061. /* don't activate rc if in HID mode or if not available */
  1062. if (tmp == 5) {
  1063. ret = af9035_rd_reg(d, EEPROM_BASE_AF9035 + EEPROM_IR_TYPE,
  1064. &tmp);
  1065. if (ret < 0)
  1066. goto err;
  1067. dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
  1068. switch (tmp) {
  1069. case 0: /* NEC */
  1070. default:
  1071. rc->allowed_protos = RC_BIT_NEC;
  1072. break;
  1073. case 1: /* RC6 */
  1074. rc->allowed_protos = RC_BIT_RC6_MCE;
  1075. break;
  1076. }
  1077. rc->query = af9035_rc_query;
  1078. rc->interval = 500;
  1079. /* load empty to enable rc */
  1080. if (!rc->map_name)
  1081. rc->map_name = RC_MAP_EMPTY;
  1082. }
  1083. return 0;
  1084. err:
  1085. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  1086. return ret;
  1087. }
  1088. #else
  1089. #define af9035_get_rc_config NULL
  1090. #endif
  1091. static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
  1092. struct usb_data_stream_properties *stream)
  1093. {
  1094. struct dvb_usb_device *d = fe_to_d(fe);
  1095. dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
  1096. if (d->udev->speed == USB_SPEED_FULL)
  1097. stream->u.bulk.buffersize = 5 * 188;
  1098. return 0;
  1099. }
  1100. /*
  1101. * FIXME: PID filter is property of demodulator and should be moved to the
  1102. * correct driver. Also we support only adapter #0 PID filter and will
  1103. * disable adapter #1 if USB1.1 is used.
  1104. */
  1105. static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
  1106. {
  1107. struct dvb_usb_device *d = adap_to_d(adap);
  1108. int ret;
  1109. dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
  1110. ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01);
  1111. if (ret < 0)
  1112. goto err;
  1113. return 0;
  1114. err:
  1115. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  1116. return ret;
  1117. }
  1118. static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
  1119. int onoff)
  1120. {
  1121. struct dvb_usb_device *d = adap_to_d(adap);
  1122. int ret;
  1123. u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
  1124. dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n",
  1125. __func__, index, pid, onoff);
  1126. ret = af9035_wr_regs(d, 0x80f996, wbuf, 2);
  1127. if (ret < 0)
  1128. goto err;
  1129. ret = af9035_wr_reg(d, 0x80f994, onoff);
  1130. if (ret < 0)
  1131. goto err;
  1132. ret = af9035_wr_reg(d, 0x80f995, index);
  1133. if (ret < 0)
  1134. goto err;
  1135. return 0;
  1136. err:
  1137. dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
  1138. return ret;
  1139. }
  1140. static int af9035_probe(struct usb_interface *intf,
  1141. const struct usb_device_id *id)
  1142. {
  1143. struct usb_device *udev = interface_to_usbdev(intf);
  1144. char manufacturer[sizeof("Afatech")];
  1145. memset(manufacturer, 0, sizeof(manufacturer));
  1146. usb_string(udev, udev->descriptor.iManufacturer,
  1147. manufacturer, sizeof(manufacturer));
  1148. /*
  1149. * There is two devices having same ID but different chipset. One uses
  1150. * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
  1151. * is iManufacturer string.
  1152. *
  1153. * idVendor 0x0ccd TerraTec Electronic GmbH
  1154. * idProduct 0x0099
  1155. * bcdDevice 2.00
  1156. * iManufacturer 1 Afatech
  1157. * iProduct 2 DVB-T 2
  1158. *
  1159. * idVendor 0x0ccd TerraTec Electronic GmbH
  1160. * idProduct 0x0099
  1161. * bcdDevice 2.00
  1162. * iManufacturer 1 ITE Technologies, Inc.
  1163. * iProduct 2 DVB-T TV Stick
  1164. */
  1165. if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
  1166. (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
  1167. if (!strcmp("Afatech", manufacturer)) {
  1168. dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
  1169. return -ENODEV;
  1170. }
  1171. }
  1172. return dvb_usbv2_probe(intf, id);
  1173. }
  1174. /* interface 0 is used by DVB-T receiver and
  1175. interface 1 is for remote controller (HID) */
  1176. static const struct dvb_usb_device_properties af9035_props = {
  1177. .driver_name = KBUILD_MODNAME,
  1178. .owner = THIS_MODULE,
  1179. .adapter_nr = adapter_nr,
  1180. .size_of_priv = sizeof(struct state),
  1181. .generic_bulk_ctrl_endpoint = 0x02,
  1182. .generic_bulk_ctrl_endpoint_response = 0x81,
  1183. .identify_state = af9035_identify_state,
  1184. .download_firmware = af9035_download_firmware,
  1185. .i2c_algo = &af9035_i2c_algo,
  1186. .read_config = af9035_read_config,
  1187. .frontend_attach = af9035_frontend_attach,
  1188. .tuner_attach = af9035_tuner_attach,
  1189. .init = af9035_init,
  1190. .get_rc_config = af9035_get_rc_config,
  1191. .get_stream_config = af9035_get_stream_config,
  1192. .get_adapter_count = af9035_get_adapter_count,
  1193. .adapter = {
  1194. {
  1195. .caps = DVB_USB_ADAP_HAS_PID_FILTER |
  1196. DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
  1197. .pid_filter_count = 32,
  1198. .pid_filter_ctrl = af9035_pid_filter_ctrl,
  1199. .pid_filter = af9035_pid_filter,
  1200. .stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
  1201. }, {
  1202. .stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
  1203. },
  1204. },
  1205. };
  1206. static const struct usb_device_id af9035_id_table[] = {
  1207. { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
  1208. &af9035_props, "Afatech AF9035 reference design", NULL) },
  1209. { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
  1210. &af9035_props, "Afatech AF9035 reference design", NULL) },
  1211. { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
  1212. &af9035_props, "Afatech AF9035 reference design", NULL) },
  1213. { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
  1214. &af9035_props, "Afatech AF9035 reference design", NULL) },
  1215. { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
  1216. &af9035_props, "Afatech AF9035 reference design", NULL) },
  1217. { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
  1218. &af9035_props, "TerraTec Cinergy T Stick", NULL) },
  1219. { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
  1220. &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
  1221. { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
  1222. &af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
  1223. { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
  1224. &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
  1225. { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
  1226. &af9035_props, "AVerMedia HD Volar (A867)", NULL) },
  1227. { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
  1228. &af9035_props, "AVerMedia Twinstar (A825)", NULL) },
  1229. { DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
  1230. &af9035_props, "Asus U3100Mini Plus", NULL) },
  1231. { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
  1232. &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
  1233. /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
  1234. { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
  1235. &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
  1236. { }
  1237. };
  1238. MODULE_DEVICE_TABLE(usb, af9035_id_table);
  1239. static struct usb_driver af9035_usb_driver = {
  1240. .name = KBUILD_MODNAME,
  1241. .id_table = af9035_id_table,
  1242. .probe = af9035_probe,
  1243. .disconnect = dvb_usbv2_disconnect,
  1244. .suspend = dvb_usbv2_suspend,
  1245. .resume = dvb_usbv2_resume,
  1246. .reset_resume = dvb_usbv2_reset_resume,
  1247. .no_dynamic_id = 1,
  1248. .soft_unbind = 1,
  1249. };
  1250. module_usb_driver(af9035_usb_driver);
  1251. MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
  1252. MODULE_DESCRIPTION("Afatech AF9035 driver");
  1253. MODULE_LICENSE("GPL");
  1254. MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
  1255. MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
  1256. MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);