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