blob: 3447cefb648379a386ec76451aa3d550e220c9bc [file] [log] [blame]
Luciano Coelhob2ba99f2011-11-20 23:32:10 +02001/*
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
22#include <linux/module.h>
23#include <linux/platform_device.h>
24
Luciano Coelhoffeb5012011-11-21 18:55:51 +020025#include <linux/err.h>
26
Luciano Coelhodd5512eb2012-04-11 11:03:14 +030027#include <linux/wl12xx.h>
28
Luciano Coelhob2ba99f2011-11-20 23:32:10 +020029#include "../wlcore/wlcore.h"
Luciano Coelhoffeb5012011-11-21 18:55:51 +020030#include "../wlcore/debug.h"
Luciano Coelho4ded91c2012-04-11 10:54:52 +030031#include "../wlcore/io.h"
Luciano Coelhodd5512eb2012-04-11 11:03:14 +030032#include "../wlcore/acx.h"
33#include "../wlcore/boot.h"
Luciano Coelhoffeb5012011-11-21 18:55:51 +020034
Luciano Coelho00782132011-11-29 13:38:37 +020035#include "reg.h"
Luciano Coelho25a43d72011-11-21 20:37:14 +020036
Arik Nemtsov3edab302011-12-07 23:38:47 +020037#define WL12XX_TX_HW_BLOCK_SPARE_DEFAULT 1
38#define WL12XX_TX_HW_BLOCK_GEM_SPARE 2
39
40
Luciano Coelho25a43d72011-11-21 20:37:14 +020041static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = {
42 [PART_DOWN] = {
43 .mem = {
44 .start = 0x00000000,
45 .size = 0x000177c0
46 },
47 .reg = {
48 .start = REGISTERS_BASE,
49 .size = 0x00008800
50 },
51 .mem2 = {
52 .start = 0x00000000,
53 .size = 0x00000000
54 },
55 .mem3 = {
56 .start = 0x00000000,
57 .size = 0x00000000
58 },
59 },
60
Luciano Coelho00782132011-11-29 13:38:37 +020061 [PART_BOOT] = { /* in wl12xx we can use a mix of work and down
62 * partition here */
63 .mem = {
64 .start = 0x00040000,
65 .size = 0x00014fc0
66 },
67 .reg = {
68 .start = REGISTERS_BASE,
69 .size = 0x00008800
70 },
71 .mem2 = {
72 .start = 0x00000000,
73 .size = 0x00000000
74 },
75 .mem3 = {
76 .start = 0x00000000,
77 .size = 0x00000000
78 },
79 },
80
Luciano Coelho25a43d72011-11-21 20:37:14 +020081 [PART_WORK] = {
82 .mem = {
83 .start = 0x00040000,
84 .size = 0x00014fc0
85 },
86 .reg = {
87 .start = REGISTERS_BASE,
88 .size = 0x0000a000
89 },
90 .mem2 = {
91 .start = 0x003004f8,
92 .size = 0x00000004
93 },
94 .mem3 = {
95 .start = 0x00040404,
96 .size = 0x00000000
97 },
98 },
99
100 [PART_DRPW] = {
101 .mem = {
102 .start = 0x00040000,
103 .size = 0x00014fc0
104 },
105 .reg = {
106 .start = DRPW_BASE,
107 .size = 0x00006000
108 },
109 .mem2 = {
110 .start = 0x00000000,
111 .size = 0x00000000
112 },
113 .mem3 = {
114 .start = 0x00000000,
115 .size = 0x00000000
116 }
117 }
118};
119
Luciano Coelho00782132011-11-29 13:38:37 +0200120static const int wl12xx_rtable[REG_TABLE_LEN] = {
121 [REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL,
122 [REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR,
123 [REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK,
124 [REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR,
125 [REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR,
126 [REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG,
127 [REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK,
128 [REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4,
129 [REG_CHIP_ID_B] = WL12XX_CHIP_ID_B,
130 [REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS,
131
132 /* data access memory addresses, used with partition translation */
133 [REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA,
134 [REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA,
135
136 /* raw data access memory addresses */
137 [REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR,
138};
139
Luciano Coelho6f7dd162011-11-29 16:27:31 +0200140/* TODO: maybe move to a new header file? */
141#define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-4-mr.bin"
142#define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-4-sr.bin"
143#define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-4-plt.bin"
144
145#define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-4-mr.bin"
146#define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-4-sr.bin"
147#define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-4-plt.bin"
148
149static int wl12xx_identify_chip(struct wl1271 *wl)
150{
151 int ret = 0;
152
153 switch (wl->chip.id) {
154 case CHIP_ID_1271_PG10:
155 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
156 wl->chip.id);
157
Luciano Coelhod203e592011-11-30 12:30:01 +0200158 wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT |
159 WLCORE_QUIRK_LEGACY_NVS;
Luciano Coelho6f7dd162011-11-29 16:27:31 +0200160 wl->plt_fw_name = WL127X_PLT_FW_NAME;
161 wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
162 wl->mr_fw_name = WL127X_FW_NAME_MULTI;
163 break;
164
165 case CHIP_ID_1271_PG20:
166 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
167 wl->chip.id);
168
Luciano Coelhod203e592011-11-30 12:30:01 +0200169 wl->quirks |= WLCORE_QUIRK_NO_BLOCKSIZE_ALIGNMENT |
170 WLCORE_QUIRK_LEGACY_NVS;
Luciano Coelho6f7dd162011-11-29 16:27:31 +0200171 wl->plt_fw_name = WL127X_PLT_FW_NAME;
172 wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
173 wl->mr_fw_name = WL127X_FW_NAME_MULTI;
174 break;
175
176 case CHIP_ID_1283_PG20:
177 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)",
178 wl->chip.id);
179 wl->plt_fw_name = WL128X_PLT_FW_NAME;
180 wl->sr_fw_name = WL128X_FW_NAME_SINGLE;
181 wl->mr_fw_name = WL128X_FW_NAME_MULTI;
182 break;
183 case CHIP_ID_1283_PG10:
184 default:
185 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
186 ret = -ENODEV;
187 goto out;
188 }
189
190out:
191 return ret;
192}
193
Luciano Coelhodd5512eb2012-04-11 11:03:14 +0300194static void wl12xx_top_reg_write(struct wl1271 *wl, int addr, u16 val)
195{
196 /* write address >> 1 + 0x30000 to OCP_POR_CTR */
197 addr = (addr >> 1) + 0x30000;
198 wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr);
199
200 /* write value to OCP_POR_WDATA */
201 wl1271_write32(wl, WL12XX_OCP_DATA_WRITE, val);
202
203 /* write 1 to OCP_CMD */
204 wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE);
205}
206
207static u16 wl12xx_top_reg_read(struct wl1271 *wl, int addr)
208{
209 u32 val;
210 int timeout = OCP_CMD_LOOP;
211
212 /* write address >> 1 + 0x30000 to OCP_POR_CTR */
213 addr = (addr >> 1) + 0x30000;
214 wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr);
215
216 /* write 2 to OCP_CMD */
217 wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ);
218
219 /* poll for data ready */
220 do {
221 val = wl1271_read32(wl, WL12XX_OCP_DATA_READ);
222 } while (!(val & OCP_READY_MASK) && --timeout);
223
224 if (!timeout) {
225 wl1271_warning("Top register access timed out.");
226 return 0xffff;
227 }
228
229 /* check data status and return if OK */
230 if ((val & OCP_STATUS_MASK) == OCP_STATUS_OK)
231 return val & 0xffff;
232 else {
233 wl1271_warning("Top register access returned error.");
234 return 0xffff;
235 }
236}
237
238static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl)
239{
240 u16 spare_reg;
241
242 /* Mask bits [2] & [8:4] in the sys_clk_cfg register */
243 spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG);
244 if (spare_reg == 0xFFFF)
245 return -EFAULT;
246 spare_reg |= (BIT(3) | BIT(5) | BIT(6));
247 wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg);
248
249 /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */
250 wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG,
251 WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF);
252
253 /* Delay execution for 15msec, to let the HW settle */
254 mdelay(15);
255
256 return 0;
257}
258
259static bool wl128x_is_tcxo_valid(struct wl1271 *wl)
260{
261 u16 tcxo_detection;
262
263 tcxo_detection = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG);
264 if (tcxo_detection & TCXO_DET_FAILED)
265 return false;
266
267 return true;
268}
269
270static bool wl128x_is_fref_valid(struct wl1271 *wl)
271{
272 u16 fref_detection;
273
274 fref_detection = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG);
275 if (fref_detection & FREF_CLK_DETECT_FAIL)
276 return false;
277
278 return true;
279}
280
281static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl)
282{
283 wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL);
284 wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL);
285 wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, MCS_PLL_CONFIG_REG_VAL);
286
287 return 0;
288}
289
290static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk)
291{
292 u16 spare_reg;
293 u16 pll_config;
294 u8 input_freq;
295
296 /* Mask bits [3:1] in the sys_clk_cfg register */
297 spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG);
298 if (spare_reg == 0xFFFF)
299 return -EFAULT;
300 spare_reg |= BIT(2);
301 wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg);
302
303 /* Handle special cases of the TCXO clock */
304 if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_8 ||
305 wl->tcxo_clock == WL12XX_TCXOCLOCK_33_6)
306 return wl128x_manually_configure_mcs_pll(wl);
307
308 /* Set the input frequency according to the selected clock source */
309 input_freq = (clk & 1) + 1;
310
311 pll_config = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG);
312 if (pll_config == 0xFFFF)
313 return -EFAULT;
314 pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT);
315 pll_config |= MCS_PLL_ENABLE_HP;
316 wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config);
317
318 return 0;
319}
320
321/*
322 * WL128x has two clocks input - TCXO and FREF.
323 * TCXO is the main clock of the device, while FREF is used to sync
324 * between the GPS and the cellular modem.
325 * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used
326 * as the WLAN/BT main clock.
327 */
328static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock)
329{
330 u16 sys_clk_cfg;
331
332 /* For XTAL-only modes, FREF will be used after switching from TCXO */
333 if (wl->ref_clock == WL12XX_REFCLOCK_26_XTAL ||
334 wl->ref_clock == WL12XX_REFCLOCK_38_XTAL) {
335 if (!wl128x_switch_tcxo_to_fref(wl))
336 return -EINVAL;
337 goto fref_clk;
338 }
339
340 /* Query the HW, to determine which clock source we should use */
341 sys_clk_cfg = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG);
342 if (sys_clk_cfg == 0xFFFF)
343 return -EINVAL;
344 if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF)
345 goto fref_clk;
346
347 /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */
348 if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_368 ||
349 wl->tcxo_clock == WL12XX_TCXOCLOCK_32_736) {
350 if (!wl128x_switch_tcxo_to_fref(wl))
351 return -EINVAL;
352 goto fref_clk;
353 }
354
355 /* TCXO clock is selected */
356 if (!wl128x_is_tcxo_valid(wl))
357 return -EINVAL;
358 *selected_clock = wl->tcxo_clock;
359 goto config_mcs_pll;
360
361fref_clk:
362 /* FREF clock is selected */
363 if (!wl128x_is_fref_valid(wl))
364 return -EINVAL;
365 *selected_clock = wl->ref_clock;
366
367config_mcs_pll:
368 return wl128x_configure_mcs_pll(wl, *selected_clock);
369}
370
371static int wl127x_boot_clk(struct wl1271 *wl)
372{
373 u32 pause;
374 u32 clk;
375
376 if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3)
377 wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION;
378
379 if (wl->ref_clock == CONF_REF_CLK_19_2_E ||
380 wl->ref_clock == CONF_REF_CLK_38_4_E ||
381 wl->ref_clock == CONF_REF_CLK_38_4_M_XTAL)
382 /* ref clk: 19.2/38.4/38.4-XTAL */
383 clk = 0x3;
384 else if (wl->ref_clock == CONF_REF_CLK_26_E ||
385 wl->ref_clock == CONF_REF_CLK_52_E)
386 /* ref clk: 26/52 */
387 clk = 0x5;
388 else
389 return -EINVAL;
390
391 if (wl->ref_clock != CONF_REF_CLK_19_2_E) {
392 u16 val;
393 /* Set clock type (open drain) */
394 val = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE);
395 val &= FREF_CLK_TYPE_BITS;
396 wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val);
397
398 /* Set clock pull mode (no pull) */
399 val = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL);
400 val |= NO_PULL;
401 wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val);
402 } else {
403 u16 val;
404 /* Set clock polarity */
405 val = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY);
406 val &= FREF_CLK_POLARITY_BITS;
407 val |= CLK_REQ_OUTN_SEL;
408 wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
409 }
410
411 wl1271_write32(wl, WL12XX_PLL_PARAMETERS, clk);
412
413 pause = wl1271_read32(wl, WL12XX_PLL_PARAMETERS);
414
415 wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
416
417 pause &= ~(WU_COUNTER_PAUSE_VAL);
418 pause |= WU_COUNTER_PAUSE_VAL;
419 wl1271_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause);
420
421 return 0;
422}
423
424static int wl1271_boot_soft_reset(struct wl1271 *wl)
425{
426 unsigned long timeout;
427 u32 boot_data;
428
429 /* perform soft reset */
430 wl1271_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
431
432 /* SOFT_RESET is self clearing */
433 timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME);
434 while (1) {
435 boot_data = wl1271_read32(wl, WL12XX_SLV_SOFT_RESET);
436 wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data);
437 if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0)
438 break;
439
440 if (time_after(jiffies, timeout)) {
441 /* 1.2 check pWhalBus->uSelfClearTime if the
442 * timeout was reached */
443 wl1271_error("soft reset timeout");
444 return -1;
445 }
446
447 udelay(SOFT_RESET_STALL_TIME);
448 }
449
450 /* disable Rx/Tx */
451 wl1271_write32(wl, WL12XX_ENABLE, 0x0);
452
453 /* disable auto calibration on start*/
454 wl1271_write32(wl, WL12XX_SPARE_A2, 0xffff);
455
456 return 0;
457}
458
459static int wl12xx_pre_boot(struct wl1271 *wl)
460{
461 int ret = 0;
462 u32 clk;
463 int selected_clock = -1;
464
465 if (wl->chip.id == CHIP_ID_1283_PG20) {
466 ret = wl128x_boot_clk(wl, &selected_clock);
467 if (ret < 0)
468 goto out;
469 } else {
470 ret = wl127x_boot_clk(wl);
471 if (ret < 0)
472 goto out;
473 }
474
475 /* Continue the ELP wake up sequence */
476 wl1271_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
477 udelay(500);
478
479 wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
480
481 /* Read-modify-write DRPW_SCRATCH_START register (see next state)
482 to be used by DRPw FW. The RTRIM value will be added by the FW
483 before taking DRPw out of reset */
484
485 clk = wl1271_read32(wl, WL12XX_DRPW_SCRATCH_START);
486
487 wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
488
489 if (wl->chip.id == CHIP_ID_1283_PG20)
490 clk |= ((selected_clock & 0x3) << 1) << 4;
491 else
492 clk |= (wl->ref_clock << 1) << 4;
493
494 wl1271_write32(wl, WL12XX_DRPW_SCRATCH_START, clk);
495
496 wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
497
498 /* Disable interrupts */
499 wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
500
501 ret = wl1271_boot_soft_reset(wl);
502 if (ret < 0)
503 goto out;
504
505out:
506 return ret;
507}
508
509static void wl12xx_pre_upload(struct wl1271 *wl)
510{
511 u32 tmp;
512
513 /* write firmware's last address (ie. it's length) to
514 * ACX_EEPROMLESS_IND_REG */
515 wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
516
517 wl1271_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND);
518
519 tmp = wlcore_read_reg(wl, REG_CHIP_ID_B);
520
521 wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
522
523 /* 6. read the EEPROM parameters */
524 tmp = wl1271_read32(wl, WL12XX_SCR_PAD2);
525
526 /* WL1271: The reference driver skips steps 7 to 10 (jumps directly
527 * to upload_fw) */
528
529 if (wl->chip.id == CHIP_ID_1283_PG20)
530 wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA);
531}
532
533static void wl12xx_enable_interrupts(struct wl1271 *wl)
534{
535 u32 polarity;
536
537 polarity = wl12xx_top_reg_read(wl, OCP_REG_POLARITY);
538
539 /* We use HIGH polarity, so unset the LOW bit */
540 polarity &= ~POLARITY_LOW;
541 wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity);
542
543 wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR);
544
545 wlcore_enable_interrupts(wl);
546 wlcore_write_reg(wl, REG_INTERRUPT_MASK,
547 WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
548
549 wl1271_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL);
550}
551
552static int wl12xx_boot(struct wl1271 *wl)
553{
554 int ret;
555
556 ret = wl12xx_pre_boot(wl);
557 if (ret < 0)
558 goto out;
559
560 ret = wlcore_boot_upload_nvs(wl);
561 if (ret < 0)
562 goto out;
563
564 wl12xx_pre_upload(wl);
565
566 ret = wlcore_boot_upload_firmware(wl);
567 if (ret < 0)
568 goto out;
569
570 ret = wlcore_boot_run_firmware(wl);
571 if (ret < 0)
572 goto out;
573
574 wl12xx_enable_interrupts(wl);
575
576out:
577 return ret;
578}
579
Luciano Coelhof16ff752012-04-11 10:15:46 +0300580static void wl12xx_trigger_cmd(struct wl1271 *wl)
581{
582 wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD);
583}
584
585static void wl12xx_ack_event(struct wl1271 *wl)
586{
587 wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_EVENT_ACK);
588}
589
Luciano Coelho30d9b4a2012-04-11 11:07:28 +0300590static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
591{
592 bool supported = false;
593 u8 major, minor;
594
595 if (wl->chip.id == CHIP_ID_1283_PG20) {
596 major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver);
597 minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver);
598
599 /* in wl128x we have the MAC address if the PG is >= (2, 1) */
600 if (major > 2 || (major == 2 && minor >= 1))
601 supported = true;
602 } else {
603 major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver);
604 minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver);
605
606 /* in wl127x we have the MAC address if the PG is >= (3, 1) */
607 if (major == 3 && minor >= 1)
608 supported = true;
609 }
610
611 wl1271_debug(DEBUG_PROBE,
612 "PG Ver major = %d minor = %d, MAC %s present",
613 major, minor, supported ? "is" : "is not");
614
615 return supported;
616}
617
618static void wl12xx_get_fuse_mac(struct wl1271 *wl)
619{
620 u32 mac1, mac2;
621
622 wlcore_set_partition(wl, &wl->ptable[PART_DRPW]);
623
624 mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1);
625 mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2);
626
627 /* these are the two parts of the BD_ADDR */
628 wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) +
629 ((mac1 & 0xff000000) >> 24);
630 wl->fuse_nic_addr = mac1 & 0xffffff;
631
632 wlcore_set_partition(wl, &wl->ptable[PART_DOWN]);
633}
634
Luciano Coelho4ded91c2012-04-11 10:54:52 +0300635static s8 wl12xx_get_pg_ver(struct wl1271 *wl)
636{
637 u32 die_info;
638
639 if (wl->chip.id == CHIP_ID_1283_PG20)
Luciano Coelhodd5512eb2012-04-11 11:03:14 +0300640 die_info = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1);
Luciano Coelho4ded91c2012-04-11 10:54:52 +0300641 else
Luciano Coelhodd5512eb2012-04-11 11:03:14 +0300642 die_info = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1);
Luciano Coelho4ded91c2012-04-11 10:54:52 +0300643
644 return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET;
645}
646
Luciano Coelho30d9b4a2012-04-11 11:07:28 +0300647static void wl12xx_get_mac(struct wl1271 *wl)
648{
649 if (wl12xx_mac_in_fuse(wl))
650 wl12xx_get_fuse_mac(wl);
651}
652
Luciano Coelho6f7dd162011-11-29 16:27:31 +0200653static struct wlcore_ops wl12xx_ops = {
Luciano Coelhodd5512eb2012-04-11 11:03:14 +0300654 .identify_chip = wl12xx_identify_chip,
655 .boot = wl12xx_boot,
Luciano Coelhof16ff752012-04-11 10:15:46 +0300656 .trigger_cmd = wl12xx_trigger_cmd,
657 .ack_event = wl12xx_ack_event,
Luciano Coelhodd5512eb2012-04-11 11:03:14 +0300658 .get_pg_ver = wl12xx_get_pg_ver,
Luciano Coelho30d9b4a2012-04-11 11:07:28 +0300659 .get_mac = wl12xx_get_mac,
Luciano Coelho6f7dd162011-11-29 16:27:31 +0200660};
661
Arik Nemtsov96e0c682011-12-07 21:09:03 +0200662struct wl12xx_priv {
663};
664
Luciano Coelhoffeb5012011-11-21 18:55:51 +0200665static int __devinit wl12xx_probe(struct platform_device *pdev)
666{
667 struct wl1271 *wl;
668 struct ieee80211_hw *hw;
Arik Nemtsov96e0c682011-12-07 21:09:03 +0200669 struct wl12xx_priv *priv;
Luciano Coelhoffeb5012011-11-21 18:55:51 +0200670
Arik Nemtsov96e0c682011-12-07 21:09:03 +0200671 hw = wlcore_alloc_hw(sizeof(*priv));
Luciano Coelhoffeb5012011-11-21 18:55:51 +0200672 if (IS_ERR(hw)) {
673 wl1271_error("can't allocate hw");
674 return PTR_ERR(hw);
675 }
676
677 wl = hw->priv;
Luciano Coelhoc31be252011-11-21 19:25:24 +0200678 wl->ops = &wl12xx_ops;
Luciano Coelho25a43d72011-11-21 20:37:14 +0200679 wl->ptable = wl12xx_ptable;
Luciano Coelho00782132011-11-29 13:38:37 +0200680 wl->rtable = wl12xx_rtable;
Arik Nemtsov72b06242011-12-07 21:21:51 +0200681 wl->num_tx_desc = 16;
Arik Nemtsov3edab302011-12-07 23:38:47 +0200682 wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT;
683 wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE;
Luciano Coelhoffeb5012011-11-21 18:55:51 +0200684
685 return wlcore_probe(wl, pdev);
686}
Luciano Coelhob2ba99f2011-11-20 23:32:10 +0200687
688static const struct platform_device_id wl12xx_id_table[] __devinitconst = {
689 { "wl12xx", 0 },
690 { } /* Terminating Entry */
691};
692MODULE_DEVICE_TABLE(platform, wl12xx_id_table);
693
694static struct platform_driver wl12xx_driver = {
Luciano Coelhoffeb5012011-11-21 18:55:51 +0200695 .probe = wl12xx_probe,
Luciano Coelhob2ba99f2011-11-20 23:32:10 +0200696 .remove = __devexit_p(wlcore_remove),
697 .id_table = wl12xx_id_table,
698 .driver = {
699 .name = "wl12xx_driver",
700 .owner = THIS_MODULE,
701 }
702};
703
704static int __init wl12xx_init(void)
705{
706 return platform_driver_register(&wl12xx_driver);
707}
708module_init(wl12xx_init);
709
710static void __exit wl12xx_exit(void)
711{
712 platform_driver_unregister(&wl12xx_driver);
713}
714module_exit(wl12xx_exit);
715
716MODULE_LICENSE("GPL v2");
717MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
Luciano Coelho6f7dd162011-11-29 16:27:31 +0200718MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE);
719MODULE_FIRMWARE(WL127X_FW_NAME_MULTI);
720MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
721MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE);
722MODULE_FIRMWARE(WL128X_FW_NAME_MULTI);
723MODULE_FIRMWARE(WL128X_PLT_FW_NAME);