az6007.c 20 KB

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  1. /*
  2. * Driver for AzureWave 6007 DVB-C/T USB2.0 and clones
  3. *
  4. * Copyright (c) Henry Wang <Henry.wang@AzureWave.com>
  5. *
  6. * This driver was made publicly available by Terratec, at:
  7. * http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
  8. * The original driver's license is GPL, as declared with MODULE_LICENSE()
  9. *
  10. * Copyright (c) 2010-2012 Mauro Carvalho Chehab <mchehab@redhat.com>
  11. * Driver modified by in order to work with upstream drxk driver, and
  12. * tons of bugs got fixed, and converted to use dvb-usb-v2.
  13. *
  14. * This program is free software; you can redistribute it and/or modify
  15. * it under the terms of the GNU General Public License as published by
  16. * the Free Software Foundation under version 2 of the License.
  17. *
  18. * This program is distributed in the hope that it will be useful,
  19. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21. * GNU General Public License for more details.
  22. */
  23. #include "drxk.h"
  24. #include "mt2063.h"
  25. #include "dvb_ca_en50221.h"
  26. #include "dvb_usb.h"
  27. #include "cypress_firmware.h"
  28. #define AZ6007_FIRMWARE "dvb-usb-terratec-h7-az6007.fw"
  29. static int az6007_xfer_debug;
  30. module_param_named(xfer_debug, az6007_xfer_debug, int, 0644);
  31. MODULE_PARM_DESC(xfer_debug, "Enable xfer debug");
  32. DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  33. /* Known requests (Cypress FX2 firmware + az6007 "private" ones*/
  34. #define FX2_OED 0xb5
  35. #define AZ6007_READ_DATA 0xb7
  36. #define AZ6007_I2C_RD 0xb9
  37. #define AZ6007_POWER 0xbc
  38. #define AZ6007_I2C_WR 0xbd
  39. #define FX2_SCON1 0xc0
  40. #define AZ6007_TS_THROUGH 0xc7
  41. #define AZ6007_READ_IR 0xb4
  42. struct az6007_device_state {
  43. struct mutex mutex;
  44. struct mutex ca_mutex;
  45. struct dvb_ca_en50221 ca;
  46. unsigned warm:1;
  47. int (*gate_ctrl) (struct dvb_frontend *, int);
  48. unsigned char data[4096];
  49. };
  50. static struct drxk_config terratec_h7_drxk = {
  51. .adr = 0x29,
  52. .parallel_ts = true,
  53. .dynamic_clk = true,
  54. .single_master = true,
  55. .enable_merr_cfg = true,
  56. .no_i2c_bridge = false,
  57. .chunk_size = 64,
  58. .mpeg_out_clk_strength = 0x02,
  59. .qam_demod_parameter_count = 2,
  60. .microcode_name = "dvb-usb-terratec-h7-drxk.fw",
  61. };
  62. static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
  63. {
  64. struct az6007_device_state *st = fe_to_priv(fe);
  65. struct dvb_usb_adapter *adap = fe->sec_priv;
  66. int status = 0;
  67. pr_debug("%s: %s\n", __func__, enable ? "enable" : "disable");
  68. if (!adap || !st)
  69. return -EINVAL;
  70. if (enable)
  71. status = st->gate_ctrl(fe, 1);
  72. else
  73. status = st->gate_ctrl(fe, 0);
  74. return status;
  75. }
  76. static struct mt2063_config az6007_mt2063_config = {
  77. .tuner_address = 0x60,
  78. .refclock = 36125000,
  79. };
  80. static int __az6007_read(struct usb_device *udev, u8 req, u16 value,
  81. u16 index, u8 *b, int blen)
  82. {
  83. int ret;
  84. ret = usb_control_msg(udev,
  85. usb_rcvctrlpipe(udev, 0),
  86. req,
  87. USB_TYPE_VENDOR | USB_DIR_IN,
  88. value, index, b, blen, 5000);
  89. if (ret < 0) {
  90. pr_warn("usb read operation failed. (%d)\n", ret);
  91. return -EIO;
  92. }
  93. if (az6007_xfer_debug) {
  94. printk(KERN_DEBUG "az6007: IN req: %02x, value: %04x, index: %04x\n",
  95. req, value, index);
  96. print_hex_dump_bytes("az6007: payload: ",
  97. DUMP_PREFIX_NONE, b, blen);
  98. }
  99. return ret;
  100. }
  101. static int az6007_read(struct dvb_usb_device *d, u8 req, u16 value,
  102. u16 index, u8 *b, int blen)
  103. {
  104. struct az6007_device_state *st = d->priv;
  105. int ret;
  106. if (mutex_lock_interruptible(&st->mutex) < 0)
  107. return -EAGAIN;
  108. ret = __az6007_read(d->udev, req, value, index, b, blen);
  109. mutex_unlock(&st->mutex);
  110. return ret;
  111. }
  112. static int __az6007_write(struct usb_device *udev, u8 req, u16 value,
  113. u16 index, u8 *b, int blen)
  114. {
  115. int ret;
  116. if (az6007_xfer_debug) {
  117. printk(KERN_DEBUG "az6007: OUT req: %02x, value: %04x, index: %04x\n",
  118. req, value, index);
  119. print_hex_dump_bytes("az6007: payload: ",
  120. DUMP_PREFIX_NONE, b, blen);
  121. }
  122. if (blen > 64) {
  123. pr_err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
  124. blen);
  125. return -EOPNOTSUPP;
  126. }
  127. ret = usb_control_msg(udev,
  128. usb_sndctrlpipe(udev, 0),
  129. req,
  130. USB_TYPE_VENDOR | USB_DIR_OUT,
  131. value, index, b, blen, 5000);
  132. if (ret != blen) {
  133. pr_err("usb write operation failed. (%d)\n", ret);
  134. return -EIO;
  135. }
  136. return 0;
  137. }
  138. static int az6007_write(struct dvb_usb_device *d, u8 req, u16 value,
  139. u16 index, u8 *b, int blen)
  140. {
  141. struct az6007_device_state *st = d->priv;
  142. int ret;
  143. if (mutex_lock_interruptible(&st->mutex) < 0)
  144. return -EAGAIN;
  145. ret = __az6007_write(d->udev, req, value, index, b, blen);
  146. mutex_unlock(&st->mutex);
  147. return ret;
  148. }
  149. static int az6007_streaming_ctrl(struct dvb_frontend *fe, int onoff)
  150. {
  151. struct dvb_usb_device *d = fe_to_d(fe);
  152. pr_debug("%s: %s\n", __func__, onoff ? "enable" : "disable");
  153. return az6007_write(d, 0xbc, onoff, 0, NULL, 0);
  154. }
  155. #if IS_ENABLED(CONFIG_RC_CORE)
  156. /* remote control stuff (does not work with my box) */
  157. static int az6007_rc_query(struct dvb_usb_device *d)
  158. {
  159. struct az6007_device_state *st = d_to_priv(d);
  160. unsigned code = 0;
  161. az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
  162. if (st->data[1] == 0x44)
  163. return 0;
  164. if ((st->data[1] ^ st->data[2]) == 0xff)
  165. code = st->data[1];
  166. else
  167. code = st->data[1] << 8 | st->data[2];
  168. if ((st->data[3] ^ st->data[4]) == 0xff)
  169. code = code << 8 | st->data[3];
  170. else
  171. code = code << 16 | st->data[3] << 8 | st->data[4];
  172. rc_keydown(d->rc_dev, code, st->data[5]);
  173. return 0;
  174. }
  175. static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
  176. {
  177. pr_debug("Getting az6007 Remote Control properties\n");
  178. rc->allowed_protos = RC_BIT_NEC;
  179. rc->query = az6007_rc_query;
  180. rc->interval = 400;
  181. return 0;
  182. }
  183. #else
  184. #define az6007_get_rc_config NULL
  185. #endif
  186. static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
  187. int slot,
  188. int address)
  189. {
  190. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  191. struct az6007_device_state *state = d_to_priv(d);
  192. int ret;
  193. u8 req;
  194. u16 value;
  195. u16 index;
  196. int blen;
  197. u8 *b;
  198. if (slot != 0)
  199. return -EINVAL;
  200. b = kmalloc(12, GFP_KERNEL);
  201. if (!b)
  202. return -ENOMEM;
  203. mutex_lock(&state->ca_mutex);
  204. req = 0xC1;
  205. value = address;
  206. index = 0;
  207. blen = 1;
  208. ret = az6007_read(d, req, value, index, b, blen);
  209. if (ret < 0) {
  210. pr_warn("usb in operation failed. (%d)\n", ret);
  211. ret = -EINVAL;
  212. } else {
  213. ret = b[0];
  214. }
  215. mutex_unlock(&state->ca_mutex);
  216. kfree(b);
  217. return ret;
  218. }
  219. static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
  220. int slot,
  221. int address,
  222. u8 value)
  223. {
  224. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  225. struct az6007_device_state *state = d_to_priv(d);
  226. int ret;
  227. u8 req;
  228. u16 value1;
  229. u16 index;
  230. int blen;
  231. pr_debug("%s(), slot %d\n", __func__, slot);
  232. if (slot != 0)
  233. return -EINVAL;
  234. mutex_lock(&state->ca_mutex);
  235. req = 0xC2;
  236. value1 = address;
  237. index = value;
  238. blen = 0;
  239. ret = az6007_write(d, req, value1, index, NULL, blen);
  240. if (ret != 0)
  241. pr_warn("usb out operation failed. (%d)\n", ret);
  242. mutex_unlock(&state->ca_mutex);
  243. return ret;
  244. }
  245. static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
  246. int slot,
  247. u8 address)
  248. {
  249. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  250. struct az6007_device_state *state = d_to_priv(d);
  251. int ret;
  252. u8 req;
  253. u16 value;
  254. u16 index;
  255. int blen;
  256. u8 *b;
  257. if (slot != 0)
  258. return -EINVAL;
  259. b = kmalloc(12, GFP_KERNEL);
  260. if (!b)
  261. return -ENOMEM;
  262. mutex_lock(&state->ca_mutex);
  263. req = 0xC3;
  264. value = address;
  265. index = 0;
  266. blen = 2;
  267. ret = az6007_read(d, req, value, index, b, blen);
  268. if (ret < 0) {
  269. pr_warn("usb in operation failed. (%d)\n", ret);
  270. ret = -EINVAL;
  271. } else {
  272. if (b[0] == 0)
  273. pr_warn("Read CI IO error\n");
  274. ret = b[1];
  275. pr_debug("read cam data = %x from 0x%x\n", b[1], value);
  276. }
  277. mutex_unlock(&state->ca_mutex);
  278. kfree(b);
  279. return ret;
  280. }
  281. static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
  282. int slot,
  283. u8 address,
  284. u8 value)
  285. {
  286. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  287. struct az6007_device_state *state = d_to_priv(d);
  288. int ret;
  289. u8 req;
  290. u16 value1;
  291. u16 index;
  292. int blen;
  293. if (slot != 0)
  294. return -EINVAL;
  295. mutex_lock(&state->ca_mutex);
  296. req = 0xC4;
  297. value1 = address;
  298. index = value;
  299. blen = 0;
  300. ret = az6007_write(d, req, value1, index, NULL, blen);
  301. if (ret != 0) {
  302. pr_warn("usb out operation failed. (%d)\n", ret);
  303. goto failed;
  304. }
  305. failed:
  306. mutex_unlock(&state->ca_mutex);
  307. return ret;
  308. }
  309. static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
  310. {
  311. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  312. int ret;
  313. u8 req;
  314. u16 value;
  315. u16 index;
  316. int blen;
  317. u8 *b;
  318. b = kmalloc(12, GFP_KERNEL);
  319. if (!b)
  320. return -ENOMEM;
  321. req = 0xC8;
  322. value = 0;
  323. index = 0;
  324. blen = 1;
  325. ret = az6007_read(d, req, value, index, b, blen);
  326. if (ret < 0) {
  327. pr_warn("usb in operation failed. (%d)\n", ret);
  328. ret = -EIO;
  329. } else{
  330. ret = b[0];
  331. }
  332. kfree(b);
  333. return ret;
  334. }
  335. static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
  336. {
  337. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  338. struct az6007_device_state *state = d_to_priv(d);
  339. int ret, i;
  340. u8 req;
  341. u16 value;
  342. u16 index;
  343. int blen;
  344. mutex_lock(&state->ca_mutex);
  345. req = 0xC6;
  346. value = 1;
  347. index = 0;
  348. blen = 0;
  349. ret = az6007_write(d, req, value, index, NULL, blen);
  350. if (ret != 0) {
  351. pr_warn("usb out operation failed. (%d)\n", ret);
  352. goto failed;
  353. }
  354. msleep(500);
  355. req = 0xC6;
  356. value = 0;
  357. index = 0;
  358. blen = 0;
  359. ret = az6007_write(d, req, value, index, NULL, blen);
  360. if (ret != 0) {
  361. pr_warn("usb out operation failed. (%d)\n", ret);
  362. goto failed;
  363. }
  364. for (i = 0; i < 15; i++) {
  365. msleep(100);
  366. if (CI_CamReady(ca, slot)) {
  367. pr_debug("CAM Ready\n");
  368. break;
  369. }
  370. }
  371. msleep(5000);
  372. failed:
  373. mutex_unlock(&state->ca_mutex);
  374. return ret;
  375. }
  376. static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
  377. {
  378. return 0;
  379. }
  380. static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
  381. {
  382. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  383. struct az6007_device_state *state = d_to_priv(d);
  384. int ret;
  385. u8 req;
  386. u16 value;
  387. u16 index;
  388. int blen;
  389. pr_debug("%s()\n", __func__);
  390. mutex_lock(&state->ca_mutex);
  391. req = 0xC7;
  392. value = 1;
  393. index = 0;
  394. blen = 0;
  395. ret = az6007_write(d, req, value, index, NULL, blen);
  396. if (ret != 0) {
  397. pr_warn("usb out operation failed. (%d)\n", ret);
  398. goto failed;
  399. }
  400. failed:
  401. mutex_unlock(&state->ca_mutex);
  402. return ret;
  403. }
  404. static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
  405. {
  406. struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
  407. struct az6007_device_state *state = d_to_priv(d);
  408. int ret;
  409. u8 req;
  410. u16 value;
  411. u16 index;
  412. int blen;
  413. u8 *b;
  414. b = kmalloc(12, GFP_KERNEL);
  415. if (!b)
  416. return -ENOMEM;
  417. mutex_lock(&state->ca_mutex);
  418. req = 0xC5;
  419. value = 0;
  420. index = 0;
  421. blen = 1;
  422. ret = az6007_read(d, req, value, index, b, blen);
  423. if (ret < 0) {
  424. pr_warn("usb in operation failed. (%d)\n", ret);
  425. ret = -EIO;
  426. } else
  427. ret = 0;
  428. if (!ret && b[0] == 1) {
  429. ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
  430. DVB_CA_EN50221_POLL_CAM_READY;
  431. }
  432. mutex_unlock(&state->ca_mutex);
  433. kfree(b);
  434. return ret;
  435. }
  436. static void az6007_ci_uninit(struct dvb_usb_device *d)
  437. {
  438. struct az6007_device_state *state;
  439. pr_debug("%s()\n", __func__);
  440. if (NULL == d)
  441. return;
  442. state = d_to_priv(d);
  443. if (NULL == state)
  444. return;
  445. if (NULL == state->ca.data)
  446. return;
  447. dvb_ca_en50221_release(&state->ca);
  448. memset(&state->ca, 0, sizeof(state->ca));
  449. }
  450. static int az6007_ci_init(struct dvb_usb_adapter *adap)
  451. {
  452. struct dvb_usb_device *d = adap_to_d(adap);
  453. struct az6007_device_state *state = adap_to_priv(adap);
  454. int ret;
  455. pr_debug("%s()\n", __func__);
  456. mutex_init(&state->ca_mutex);
  457. state->ca.owner = THIS_MODULE;
  458. state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
  459. state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
  460. state->ca.read_cam_control = az6007_ci_read_cam_control;
  461. state->ca.write_cam_control = az6007_ci_write_cam_control;
  462. state->ca.slot_reset = az6007_ci_slot_reset;
  463. state->ca.slot_shutdown = az6007_ci_slot_shutdown;
  464. state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
  465. state->ca.poll_slot_status = az6007_ci_poll_slot_status;
  466. state->ca.data = d;
  467. ret = dvb_ca_en50221_init(&adap->dvb_adap,
  468. &state->ca,
  469. 0, /* flags */
  470. 1);/* n_slots */
  471. if (ret != 0) {
  472. pr_err("Cannot initialize CI: Error %d.\n", ret);
  473. memset(&state->ca, 0, sizeof(state->ca));
  474. return ret;
  475. }
  476. pr_debug("CI initialized.\n");
  477. return 0;
  478. }
  479. static int az6007_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6])
  480. {
  481. struct dvb_usb_device *d = adap_to_d(adap);
  482. struct az6007_device_state *st = adap_to_priv(adap);
  483. int ret;
  484. ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
  485. memcpy(mac, st->data, 6);
  486. if (ret > 0)
  487. pr_debug("%s: mac is %pM\n", __func__, mac);
  488. return ret;
  489. }
  490. static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
  491. {
  492. struct az6007_device_state *st = adap_to_priv(adap);
  493. struct dvb_usb_device *d = adap_to_d(adap);
  494. pr_debug("attaching demod drxk\n");
  495. adap->fe[0] = dvb_attach(drxk_attach, &terratec_h7_drxk,
  496. &d->i2c_adap);
  497. if (!adap->fe[0])
  498. return -EINVAL;
  499. adap->fe[0]->sec_priv = adap;
  500. st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl;
  501. adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
  502. az6007_ci_init(adap);
  503. return 0;
  504. }
  505. static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
  506. {
  507. struct dvb_usb_device *d = adap_to_d(adap);
  508. pr_debug("attaching tuner mt2063\n");
  509. /* Attach mt2063 to DVB-C frontend */
  510. if (adap->fe[0]->ops.i2c_gate_ctrl)
  511. adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 1);
  512. if (!dvb_attach(mt2063_attach, adap->fe[0],
  513. &az6007_mt2063_config,
  514. &d->i2c_adap))
  515. return -EINVAL;
  516. if (adap->fe[0]->ops.i2c_gate_ctrl)
  517. adap->fe[0]->ops.i2c_gate_ctrl(adap->fe[0], 0);
  518. return 0;
  519. }
  520. static int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
  521. {
  522. struct az6007_device_state *state = d_to_priv(d);
  523. int ret;
  524. pr_debug("%s()\n", __func__);
  525. if (!state->warm) {
  526. mutex_init(&state->mutex);
  527. ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
  528. if (ret < 0)
  529. return ret;
  530. msleep(60);
  531. ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
  532. if (ret < 0)
  533. return ret;
  534. msleep(100);
  535. ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
  536. if (ret < 0)
  537. return ret;
  538. msleep(20);
  539. ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
  540. if (ret < 0)
  541. return ret;
  542. msleep(400);
  543. ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
  544. if (ret < 0)
  545. return ret;
  546. msleep(150);
  547. ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
  548. if (ret < 0)
  549. return ret;
  550. msleep(430);
  551. ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
  552. if (ret < 0)
  553. return ret;
  554. state->warm = true;
  555. return 0;
  556. }
  557. if (!onoff)
  558. return 0;
  559. az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
  560. az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
  561. return 0;
  562. }
  563. /* I2C */
  564. static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
  565. int num)
  566. {
  567. struct dvb_usb_device *d = i2c_get_adapdata(adap);
  568. struct az6007_device_state *st = d_to_priv(d);
  569. int i, j, len;
  570. int ret = 0;
  571. u16 index;
  572. u16 value;
  573. int length;
  574. u8 req, addr;
  575. if (mutex_lock_interruptible(&st->mutex) < 0)
  576. return -EAGAIN;
  577. for (i = 0; i < num; i++) {
  578. addr = msgs[i].addr << 1;
  579. if (((i + 1) < num)
  580. && (msgs[i].len == 1)
  581. && ((msgs[i].flags & I2C_M_RD) != I2C_M_RD)
  582. && (msgs[i + 1].flags & I2C_M_RD)
  583. && (msgs[i].addr == msgs[i + 1].addr)) {
  584. /*
  585. * A write + read xfer for the same address, where
  586. * the first xfer has just 1 byte length.
  587. * Need to join both into one operation
  588. */
  589. if (az6007_xfer_debug)
  590. printk(KERN_DEBUG "az6007: I2C W/R addr=0x%x len=%d/%d\n",
  591. addr, msgs[i].len, msgs[i + 1].len);
  592. req = AZ6007_I2C_RD;
  593. index = msgs[i].buf[0];
  594. value = addr | (1 << 8);
  595. length = 6 + msgs[i + 1].len;
  596. len = msgs[i + 1].len;
  597. ret = __az6007_read(d->udev, req, value, index,
  598. st->data, length);
  599. if (ret >= len) {
  600. for (j = 0; j < len; j++)
  601. msgs[i + 1].buf[j] = st->data[j + 5];
  602. } else
  603. ret = -EIO;
  604. i++;
  605. } else if (!(msgs[i].flags & I2C_M_RD)) {
  606. /* write bytes */
  607. if (az6007_xfer_debug)
  608. printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n",
  609. addr, msgs[i].len);
  610. req = AZ6007_I2C_WR;
  611. index = msgs[i].buf[0];
  612. value = addr | (1 << 8);
  613. length = msgs[i].len - 1;
  614. len = msgs[i].len - 1;
  615. for (j = 0; j < len; j++)
  616. st->data[j] = msgs[i].buf[j + 1];
  617. ret = __az6007_write(d->udev, req, value, index,
  618. st->data, length);
  619. } else {
  620. /* read bytes */
  621. if (az6007_xfer_debug)
  622. printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
  623. addr, msgs[i].len);
  624. req = AZ6007_I2C_RD;
  625. index = msgs[i].buf[0];
  626. value = addr;
  627. length = msgs[i].len + 6;
  628. len = msgs[i].len;
  629. ret = __az6007_read(d->udev, req, value, index,
  630. st->data, length);
  631. for (j = 0; j < len; j++)
  632. msgs[i].buf[j] = st->data[j + 5];
  633. }
  634. if (ret < 0)
  635. goto err;
  636. }
  637. err:
  638. mutex_unlock(&st->mutex);
  639. if (ret < 0) {
  640. pr_info("%s ERROR: %i\n", __func__, ret);
  641. return ret;
  642. }
  643. return num;
  644. }
  645. static u32 az6007_i2c_func(struct i2c_adapter *adapter)
  646. {
  647. return I2C_FUNC_I2C;
  648. }
  649. static struct i2c_algorithm az6007_i2c_algo = {
  650. .master_xfer = az6007_i2c_xfer,
  651. .functionality = az6007_i2c_func,
  652. };
  653. static int az6007_identify_state(struct dvb_usb_device *d, const char **name)
  654. {
  655. int ret;
  656. u8 *mac;
  657. pr_debug("Identifying az6007 state\n");
  658. mac = kmalloc(6, GFP_ATOMIC);
  659. if (!mac)
  660. return -ENOMEM;
  661. /* Try to read the mac address */
  662. ret = __az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
  663. if (ret == 6)
  664. ret = WARM;
  665. else
  666. ret = COLD;
  667. kfree(mac);
  668. if (ret == COLD) {
  669. __az6007_write(d->udev, 0x09, 1, 0, NULL, 0);
  670. __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
  671. __az6007_write(d->udev, 0x00, 0, 0, NULL, 0);
  672. }
  673. pr_debug("Device is on %s state\n",
  674. ret == WARM ? "warm" : "cold");
  675. return ret;
  676. }
  677. static void az6007_usb_disconnect(struct usb_interface *intf)
  678. {
  679. struct dvb_usb_device *d = usb_get_intfdata(intf);
  680. az6007_ci_uninit(d);
  681. dvb_usbv2_disconnect(intf);
  682. }
  683. static int az6007_download_firmware(struct dvb_usb_device *d,
  684. const struct firmware *fw)
  685. {
  686. pr_debug("Loading az6007 firmware\n");
  687. return usbv2_cypress_load_firmware(d->udev, fw, CYPRESS_FX2);
  688. }
  689. /* DVB USB Driver stuff */
  690. static struct dvb_usb_device_properties az6007_props = {
  691. .driver_name = KBUILD_MODNAME,
  692. .owner = THIS_MODULE,
  693. .firmware = AZ6007_FIRMWARE,
  694. .adapter_nr = adapter_nr,
  695. .size_of_priv = sizeof(struct az6007_device_state),
  696. .i2c_algo = &az6007_i2c_algo,
  697. .tuner_attach = az6007_tuner_attach,
  698. .frontend_attach = az6007_frontend_attach,
  699. .streaming_ctrl = az6007_streaming_ctrl,
  700. .get_rc_config = az6007_get_rc_config,
  701. .read_mac_address = az6007_read_mac_addr,
  702. .download_firmware = az6007_download_firmware,
  703. .identify_state = az6007_identify_state,
  704. .power_ctrl = az6007_power_ctrl,
  705. .num_adapters = 1,
  706. .adapter = {
  707. { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), }
  708. }
  709. };
  710. static struct usb_device_id az6007_usb_table[] = {
  711. {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007,
  712. &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)},
  713. {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7,
  714. &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
  715. {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2,
  716. &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)},
  717. {0},
  718. };
  719. MODULE_DEVICE_TABLE(usb, az6007_usb_table);
  720. static int az6007_suspend(struct usb_interface *intf, pm_message_t msg)
  721. {
  722. struct dvb_usb_device *d = usb_get_intfdata(intf);
  723. az6007_ci_uninit(d);
  724. return dvb_usbv2_suspend(intf, msg);
  725. }
  726. static int az6007_resume(struct usb_interface *intf)
  727. {
  728. struct dvb_usb_device *d = usb_get_intfdata(intf);
  729. struct dvb_usb_adapter *adap = &d->adapter[0];
  730. az6007_ci_init(adap);
  731. return dvb_usbv2_resume(intf);
  732. }
  733. /* usb specific object needed to register this driver with the usb subsystem */
  734. static struct usb_driver az6007_usb_driver = {
  735. .name = KBUILD_MODNAME,
  736. .id_table = az6007_usb_table,
  737. .probe = dvb_usbv2_probe,
  738. .disconnect = az6007_usb_disconnect,
  739. .no_dynamic_id = 1,
  740. .soft_unbind = 1,
  741. /*
  742. * FIXME: need to implement reset_resume, likely with
  743. * dvb-usb-v2 core support
  744. */
  745. .suspend = az6007_suspend,
  746. .resume = az6007_resume,
  747. };
  748. module_usb_driver(az6007_usb_driver);
  749. MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
  750. MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
  751. MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
  752. MODULE_VERSION("2.0");
  753. MODULE_LICENSE("GPL");
  754. MODULE_FIRMWARE(AZ6007_FIRMWARE);