main.c 17 KB

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  1. /*
  2. * This file is part of wl1271
  3. *
  4. * Copyright (C) 2008-2010 Nokia Corporation
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License
  8. * version 2 as published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope that it will be useful, but
  11. * WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18. * 02110-1301 USA
  19. *
  20. */
  21. #include <linux/module.h>
  22. #include <linux/platform_device.h>
  23. #include <linux/err.h>
  24. #include <linux/wl12xx.h>
  25. #include "../wlcore/wlcore.h"
  26. #include "../wlcore/debug.h"
  27. #include "../wlcore/io.h"
  28. #include "../wlcore/acx.h"
  29. #include "../wlcore/boot.h"
  30. #include "reg.h"
  31. static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = {
  32. [PART_DOWN] = {
  33. .mem = {
  34. .start = 0x00000000,
  35. .size = 0x000177c0
  36. },
  37. .reg = {
  38. .start = REGISTERS_BASE,
  39. .size = 0x00008800
  40. },
  41. .mem2 = {
  42. .start = 0x00000000,
  43. .size = 0x00000000
  44. },
  45. .mem3 = {
  46. .start = 0x00000000,
  47. .size = 0x00000000
  48. },
  49. },
  50. [PART_BOOT] = { /* in wl12xx we can use a mix of work and down
  51. * partition here */
  52. .mem = {
  53. .start = 0x00040000,
  54. .size = 0x00014fc0
  55. },
  56. .reg = {
  57. .start = REGISTERS_BASE,
  58. .size = 0x00008800
  59. },
  60. .mem2 = {
  61. .start = 0x00000000,
  62. .size = 0x00000000
  63. },
  64. .mem3 = {
  65. .start = 0x00000000,
  66. .size = 0x00000000
  67. },
  68. },
  69. [PART_WORK] = {
  70. .mem = {
  71. .start = 0x00040000,
  72. .size = 0x00014fc0
  73. },
  74. .reg = {
  75. .start = REGISTERS_BASE,
  76. .size = 0x0000a000
  77. },
  78. .mem2 = {
  79. .start = 0x003004f8,
  80. .size = 0x00000004
  81. },
  82. .mem3 = {
  83. .start = 0x00040404,
  84. .size = 0x00000000
  85. },
  86. },
  87. [PART_DRPW] = {
  88. .mem = {
  89. .start = 0x00040000,
  90. .size = 0x00014fc0
  91. },
  92. .reg = {
  93. .start = DRPW_BASE,
  94. .size = 0x00006000
  95. },
  96. .mem2 = {
  97. .start = 0x00000000,
  98. .size = 0x00000000
  99. },
  100. .mem3 = {
  101. .start = 0x00000000,
  102. .size = 0x00000000
  103. }
  104. }
  105. };
  106. static const int wl12xx_rtable[REG_TABLE_LEN] = {
  107. [REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL,
  108. [REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR,
  109. [REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK,
  110. [REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR,
  111. [REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR,
  112. [REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG,
  113. [REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK,
  114. [REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4,
  115. [REG_CHIP_ID_B] = WL12XX_CHIP_ID_B,
  116. [REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS,
  117. /* data access memory addresses, used with partition translation */
  118. [REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA,
  119. [REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA,
  120. /* raw data access memory addresses */
  121. [REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR,
  122. };
  123. /* TODO: maybe move to a new header file? */
  124. #define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-4-mr.bin"
  125. #define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-4-sr.bin"
  126. #define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-4-plt.bin"
  127. #define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-4-mr.bin"
  128. #define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-4-sr.bin"
  129. #define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-4-plt.bin"
  130. static int wl12xx_identify_chip(struct wl1271 *wl)
  131. {
  132. int ret = 0;
  133. switch (wl->chip.id) {
  134. case CHIP_ID_1271_PG10:
  135. wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
  136. wl->chip.id);
  137. wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT |
  138. WLCORE_QUIRK_LEGACY_NVS;
  139. wl->plt_fw_name = WL127X_PLT_FW_NAME;
  140. wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
  141. wl->mr_fw_name = WL127X_FW_NAME_MULTI;
  142. break;
  143. case CHIP_ID_1271_PG20:
  144. wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
  145. wl->chip.id);
  146. wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT |
  147. WLCORE_QUIRK_LEGACY_NVS;
  148. wl->plt_fw_name = WL127X_PLT_FW_NAME;
  149. wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
  150. wl->mr_fw_name = WL127X_FW_NAME_MULTI;
  151. break;
  152. case CHIP_ID_1283_PG20:
  153. wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
  154. wl->chip.id);
  155. wl->plt_fw_name = WL128X_PLT_FW_NAME;
  156. wl->sr_fw_name = WL128X_FW_NAME_SINGLE;
  157. wl->mr_fw_name = WL128X_FW_NAME_MULTI;
  158. break;
  159. case CHIP_ID_1283_PG10:
  160. default:
  161. wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
  162. ret = -ENODEV;
  163. goto out;
  164. }
  165. out:
  166. return ret;
  167. }
  168. static void wl12xx_top_reg_write(struct wl1271 *wl, int addr, u16 val)
  169. {
  170. /* write address >> 1 + 0x30000 to OCP_POR_CTR */
  171. addr = (addr >> 1) + 0x30000;
  172. wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr);
  173. /* write value to OCP_POR_WDATA */
  174. wl1271_write32(wl, WL12XX_OCP_DATA_WRITE, val);
  175. /* write 1 to OCP_CMD */
  176. wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE);
  177. }
  178. static u16 wl12xx_top_reg_read(struct wl1271 *wl, int addr)
  179. {
  180. u32 val;
  181. int timeout = OCP_CMD_LOOP;
  182. /* write address >> 1 + 0x30000 to OCP_POR_CTR */
  183. addr = (addr >> 1) + 0x30000;
  184. wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr);
  185. /* write 2 to OCP_CMD */
  186. wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ);
  187. /* poll for data ready */
  188. do {
  189. val = wl1271_read32(wl, WL12XX_OCP_DATA_READ);
  190. } while (!(val & OCP_READY_MASK) && --timeout);
  191. if (!timeout) {
  192. wl1271_warning("Top register access timed out.");
  193. return 0xffff;
  194. }
  195. /* check data status and return if OK */
  196. if ((val & OCP_STATUS_MASK) == OCP_STATUS_OK)
  197. return val & 0xffff;
  198. else {
  199. wl1271_warning("Top register access returned error.");
  200. return 0xffff;
  201. }
  202. }
  203. static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl)
  204. {
  205. u16 spare_reg;
  206. /* Mask bits [2] & [8:4] in the sys_clk_cfg register */
  207. spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG);
  208. if (spare_reg == 0xFFFF)
  209. return -EFAULT;
  210. spare_reg |= (BIT(3) | BIT(5) | BIT(6));
  211. wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg);
  212. /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */
  213. wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG,
  214. WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF);
  215. /* Delay execution for 15msec, to let the HW settle */
  216. mdelay(15);
  217. return 0;
  218. }
  219. static bool wl128x_is_tcxo_valid(struct wl1271 *wl)
  220. {
  221. u16 tcxo_detection;
  222. tcxo_detection = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG);
  223. if (tcxo_detection & TCXO_DET_FAILED)
  224. return false;
  225. return true;
  226. }
  227. static bool wl128x_is_fref_valid(struct wl1271 *wl)
  228. {
  229. u16 fref_detection;
  230. fref_detection = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG);
  231. if (fref_detection & FREF_CLK_DETECT_FAIL)
  232. return false;
  233. return true;
  234. }
  235. static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl)
  236. {
  237. wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL);
  238. wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL);
  239. wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, MCS_PLL_CONFIG_REG_VAL);
  240. return 0;
  241. }
  242. static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk)
  243. {
  244. u16 spare_reg;
  245. u16 pll_config;
  246. u8 input_freq;
  247. /* Mask bits [3:1] in the sys_clk_cfg register */
  248. spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG);
  249. if (spare_reg == 0xFFFF)
  250. return -EFAULT;
  251. spare_reg |= BIT(2);
  252. wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg);
  253. /* Handle special cases of the TCXO clock */
  254. if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_8 ||
  255. wl->tcxo_clock == WL12XX_TCXOCLOCK_33_6)
  256. return wl128x_manually_configure_mcs_pll(wl);
  257. /* Set the input frequency according to the selected clock source */
  258. input_freq = (clk & 1) + 1;
  259. pll_config = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG);
  260. if (pll_config == 0xFFFF)
  261. return -EFAULT;
  262. pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT);
  263. pll_config |= MCS_PLL_ENABLE_HP;
  264. wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config);
  265. return 0;
  266. }
  267. /*
  268. * WL128x has two clocks input - TCXO and FREF.
  269. * TCXO is the main clock of the device, while FREF is used to sync
  270. * between the GPS and the cellular modem.
  271. * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used
  272. * as the WLAN/BT main clock.
  273. */
  274. static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock)
  275. {
  276. u16 sys_clk_cfg;
  277. /* For XTAL-only modes, FREF will be used after switching from TCXO */
  278. if (wl->ref_clock == WL12XX_REFCLOCK_26_XTAL ||
  279. wl->ref_clock == WL12XX_REFCLOCK_38_XTAL) {
  280. if (!wl128x_switch_tcxo_to_fref(wl))
  281. return -EINVAL;
  282. goto fref_clk;
  283. }
  284. /* Query the HW, to determine which clock source we should use */
  285. sys_clk_cfg = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG);
  286. if (sys_clk_cfg == 0xFFFF)
  287. return -EINVAL;
  288. if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF)
  289. goto fref_clk;
  290. /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */
  291. if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_368 ||
  292. wl->tcxo_clock == WL12XX_TCXOCLOCK_32_736) {
  293. if (!wl128x_switch_tcxo_to_fref(wl))
  294. return -EINVAL;
  295. goto fref_clk;
  296. }
  297. /* TCXO clock is selected */
  298. if (!wl128x_is_tcxo_valid(wl))
  299. return -EINVAL;
  300. *selected_clock = wl->tcxo_clock;
  301. goto config_mcs_pll;
  302. fref_clk:
  303. /* FREF clock is selected */
  304. if (!wl128x_is_fref_valid(wl))
  305. return -EINVAL;
  306. *selected_clock = wl->ref_clock;
  307. config_mcs_pll:
  308. return wl128x_configure_mcs_pll(wl, *selected_clock);
  309. }
  310. static int wl127x_boot_clk(struct wl1271 *wl)
  311. {
  312. u32 pause;
  313. u32 clk;
  314. if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3)
  315. wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION;
  316. if (wl->ref_clock == CONF_REF_CLK_19_2_E ||
  317. wl->ref_clock == CONF_REF_CLK_38_4_E ||
  318. wl->ref_clock == CONF_REF_CLK_38_4_M_XTAL)
  319. /* ref clk: 19.2/38.4/38.4-XTAL */
  320. clk = 0x3;
  321. else if (wl->ref_clock == CONF_REF_CLK_26_E ||
  322. wl->ref_clock == CONF_REF_CLK_52_E)
  323. /* ref clk: 26/52 */
  324. clk = 0x5;
  325. else
  326. return -EINVAL;
  327. if (wl->ref_clock != CONF_REF_CLK_19_2_E) {
  328. u16 val;
  329. /* Set clock type (open drain) */
  330. val = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE);
  331. val &= FREF_CLK_TYPE_BITS;
  332. wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val);
  333. /* Set clock pull mode (no pull) */
  334. val = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL);
  335. val |= NO_PULL;
  336. wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val);
  337. } else {
  338. u16 val;
  339. /* Set clock polarity */
  340. val = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY);
  341. val &= FREF_CLK_POLARITY_BITS;
  342. val |= CLK_REQ_OUTN_SEL;
  343. wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
  344. }
  345. wl1271_write32(wl, WL12XX_PLL_PARAMETERS, clk);
  346. pause = wl1271_read32(wl, WL12XX_PLL_PARAMETERS);
  347. wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
  348. pause &= ~(WU_COUNTER_PAUSE_VAL);
  349. pause |= WU_COUNTER_PAUSE_VAL;
  350. wl1271_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause);
  351. return 0;
  352. }
  353. static int wl1271_boot_soft_reset(struct wl1271 *wl)
  354. {
  355. unsigned long timeout;
  356. u32 boot_data;
  357. /* perform soft reset */
  358. wl1271_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
  359. /* SOFT_RESET is self clearing */
  360. timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME);
  361. while (1) {
  362. boot_data = wl1271_read32(wl, WL12XX_SLV_SOFT_RESET);
  363. wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data);
  364. if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0)
  365. break;
  366. if (time_after(jiffies, timeout)) {
  367. /* 1.2 check pWhalBus->uSelfClearTime if the
  368. * timeout was reached */
  369. wl1271_error("soft reset timeout");
  370. return -1;
  371. }
  372. udelay(SOFT_RESET_STALL_TIME);
  373. }
  374. /* disable Rx/Tx */
  375. wl1271_write32(wl, WL12XX_ENABLE, 0x0);
  376. /* disable auto calibration on start*/
  377. wl1271_write32(wl, WL12XX_SPARE_A2, 0xffff);
  378. return 0;
  379. }
  380. static int wl12xx_pre_boot(struct wl1271 *wl)
  381. {
  382. int ret = 0;
  383. u32 clk;
  384. int selected_clock = -1;
  385. if (wl->chip.id == CHIP_ID_1283_PG20) {
  386. ret = wl128x_boot_clk(wl, &selected_clock);
  387. if (ret < 0)
  388. goto out;
  389. } else {
  390. ret = wl127x_boot_clk(wl);
  391. if (ret < 0)
  392. goto out;
  393. }
  394. /* Continue the ELP wake up sequence */
  395. wl1271_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
  396. udelay(500);
  397. wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
  398. /* Read-modify-write DRPW_SCRATCH_START register (see next state)
  399. to be used by DRPw FW. The RTRIM value will be added by the FW
  400. before taking DRPw out of reset */
  401. clk = wl1271_read32(wl, WL12XX_DRPW_SCRATCH_START);
  402. wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
  403. if (wl->chip.id == CHIP_ID_1283_PG20)
  404. clk |= ((selected_clock & 0x3) << 1) << 4;
  405. else
  406. clk |= (wl->ref_clock << 1) << 4;
  407. wl1271_write32(wl, WL12XX_DRPW_SCRATCH_START, clk);
  408. wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
  409. /* Disable interrupts */
  410. wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
  411. ret = wl1271_boot_soft_reset(wl);
  412. if (ret < 0)
  413. goto out;
  414. out:
  415. return ret;
  416. }
  417. static void wl12xx_pre_upload(struct wl1271 *wl)
  418. {
  419. u32 tmp;
  420. /* write firmware's last address (ie. it's length) to
  421. * ACX_EEPROMLESS_IND_REG */
  422. wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
  423. wl1271_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND);
  424. tmp = wlcore_read_reg(wl, REG_CHIP_ID_B);
  425. wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
  426. /* 6. read the EEPROM parameters */
  427. tmp = wl1271_read32(wl, WL12XX_SCR_PAD2);
  428. /* WL1271: The reference driver skips steps 7 to 10 (jumps directly
  429. * to upload_fw) */
  430. if (wl->chip.id == CHIP_ID_1283_PG20)
  431. wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA);
  432. }
  433. static void wl12xx_enable_interrupts(struct wl1271 *wl)
  434. {
  435. u32 polarity;
  436. polarity = wl12xx_top_reg_read(wl, OCP_REG_POLARITY);
  437. /* We use HIGH polarity, so unset the LOW bit */
  438. polarity &= ~POLARITY_LOW;
  439. wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity);
  440. wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR);
  441. wlcore_enable_interrupts(wl);
  442. wlcore_write_reg(wl, REG_INTERRUPT_MASK,
  443. WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
  444. wl1271_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL);
  445. }
  446. static int wl12xx_boot(struct wl1271 *wl)
  447. {
  448. int ret;
  449. ret = wl12xx_pre_boot(wl);
  450. if (ret < 0)
  451. goto out;
  452. ret = wlcore_boot_upload_nvs(wl);
  453. if (ret < 0)
  454. goto out;
  455. wl12xx_pre_upload(wl);
  456. ret = wlcore_boot_upload_firmware(wl);
  457. if (ret < 0)
  458. goto out;
  459. ret = wlcore_boot_run_firmware(wl);
  460. if (ret < 0)
  461. goto out;
  462. wl12xx_enable_interrupts(wl);
  463. out:
  464. return ret;
  465. }
  466. static void wl12xx_trigger_cmd(struct wl1271 *wl)
  467. {
  468. wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD);
  469. }
  470. static void wl12xx_ack_event(struct wl1271 *wl)
  471. {
  472. wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_EVENT_ACK);
  473. }
  474. static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
  475. {
  476. bool supported = false;
  477. u8 major, minor;
  478. if (wl->chip.id == CHIP_ID_1283_PG20) {
  479. major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver);
  480. minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver);
  481. /* in wl128x we have the MAC address if the PG is >= (2, 1) */
  482. if (major > 2 || (major == 2 && minor >= 1))
  483. supported = true;
  484. } else {
  485. major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver);
  486. minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver);
  487. /* in wl127x we have the MAC address if the PG is >= (3, 1) */
  488. if (major == 3 && minor >= 1)
  489. supported = true;
  490. }
  491. wl1271_debug(DEBUG_PROBE,
  492. "PG Ver major = %d minor = %d, MAC %s present",
  493. major, minor, supported ? "is" : "is not");
  494. return supported;
  495. }
  496. static void wl12xx_get_fuse_mac(struct wl1271 *wl)
  497. {
  498. u32 mac1, mac2;
  499. wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
  500. mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1);
  501. mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2);
  502. /* these are the two parts of the BD_ADDR */
  503. wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
  504. ((mac1 & 0xff000000) >> 24);
  505. wl->fuse_nic_addr = mac1 & 0xffffff;
  506. wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
  507. }
  508. static s8 wl12xx_get_pg_ver(struct wl1271 *wl)
  509. {
  510. u32 die_info;
  511. if (wl->chip.id == CHIP_ID_1283_PG20)
  512. die_info = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1);
  513. else
  514. die_info = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1);
  515. return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET;
  516. }
  517. static void wl12xx_get_mac(struct wl1271 *wl)
  518. {
  519. if (wl12xx_mac_in_fuse(wl))
  520. wl12xx_get_fuse_mac(wl);
  521. }
  522. static struct wlcore_ops wl12xx_ops = {
  523. .identify_chip = wl12xx_identify_chip,
  524. .boot = wl12xx_boot,
  525. .trigger_cmd = wl12xx_trigger_cmd,
  526. .ack_event = wl12xx_ack_event,
  527. .get_pg_ver = wl12xx_get_pg_ver,
  528. .get_mac = wl12xx_get_mac,
  529. };
  530. static int __devinit wl12xx_probe(struct platform_device *pdev)
  531. {
  532. struct wl1271 *wl;
  533. struct ieee80211_hw *hw;
  534. hw = wlcore_alloc_hw();
  535. if (IS_ERR(hw)) {
  536. wl1271_error("can't allocate hw");
  537. return PTR_ERR(hw);
  538. }
  539. wl = hw->priv;
  540. wl->ops = &wl12xx_ops;
  541. wl->ptable = wl12xx_ptable;
  542. wl->rtable = wl12xx_rtable;
  543. return wlcore_probe(wl, pdev);
  544. }
  545. static const struct platform_device_id wl12xx_id_table[] __devinitconst = {
  546. { "wl12xx", 0 },
  547. { } /* Terminating Entry */
  548. };
  549. MODULE_DEVICE_TABLE(platform, wl12xx_id_table);
  550. static struct platform_driver wl12xx_driver = {
  551. .probe = wl12xx_probe,
  552. .remove = __devexit_p(wlcore_remove),
  553. .id_table = wl12xx_id_table,
  554. .driver = {
  555. .name = "wl12xx_driver",
  556. .owner = THIS_MODULE,
  557. }
  558. };
  559. static int __init wl12xx_init(void)
  560. {
  561. return platform_driver_register(&wl12xx_driver);
  562. }
  563. module_init(wl12xx_init);
  564. static void __exit wl12xx_exit(void)
  565. {
  566. platform_driver_unregister(&wl12xx_driver);
  567. }
  568. module_exit(wl12xx_exit);
  569. MODULE_LICENSE("GPL v2");
  570. MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
  571. MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE);
  572. MODULE_FIRMWARE(WL127X_FW_NAME_MULTI);
  573. MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
  574. MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE);
  575. MODULE_FIRMWARE(WL128X_FW_NAME_MULTI);
  576. MODULE_FIRMWARE(WL128X_PLT_FW_NAME);