Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
[linux-2.6] / drivers / net / wireless / wl12xx / wl1251.c
1 /*
2  * This file is part of wl12xx
3  *
4  * Copyright (C) 2008-2009 Nokia Corporation
5  *
6  * Contact: Kalle Valo <kalle.valo@nokia.com>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA
21  *
22  */
23
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26
27 #include "wl1251.h"
28 #include "reg.h"
29 #include "spi.h"
30 #include "boot.h"
31 #include "event.h"
32 #include "acx.h"
33 #include "tx.h"
34 #include "rx.h"
35 #include "ps.h"
36 #include "init.h"
37
38 static struct wl12xx_partition_set wl1251_part_table[PART_TABLE_LEN] = {
39         [PART_DOWN] = {
40                 .mem = {
41                         .start = 0x00000000,
42                         .size  = 0x00016800
43                 },
44                 .reg = {
45                         .start = REGISTERS_BASE,
46                         .size  = REGISTERS_DOWN_SIZE
47                 },
48         },
49
50         [PART_WORK] = {
51                 .mem = {
52                         .start = 0x00028000,
53                         .size  = 0x00014000
54                 },
55                 .reg = {
56                         .start = REGISTERS_BASE,
57                         .size  = REGISTERS_WORK_SIZE
58                 },
59         },
60
61         /* WL1251 doesn't use the DRPW partition, so we don't set it here */
62 };
63
64 static enum wl12xx_acx_int_reg wl1251_acx_reg_table[ACX_REG_TABLE_LEN] = {
65         [ACX_REG_INTERRUPT_TRIG]     = (REGISTERS_BASE + 0x0474),
66         [ACX_REG_INTERRUPT_TRIG_H]   = (REGISTERS_BASE + 0x0478),
67         [ACX_REG_INTERRUPT_MASK]     = (REGISTERS_BASE + 0x0494),
68         [ACX_REG_HINT_MASK_SET]      = (REGISTERS_BASE + 0x0498),
69         [ACX_REG_HINT_MASK_CLR]      = (REGISTERS_BASE + 0x049C),
70         [ACX_REG_INTERRUPT_NO_CLEAR] = (REGISTERS_BASE + 0x04B0),
71         [ACX_REG_INTERRUPT_CLEAR]    = (REGISTERS_BASE + 0x04A4),
72         [ACX_REG_INTERRUPT_ACK]      = (REGISTERS_BASE + 0x04A8),
73         [ACX_REG_SLV_SOFT_RESET]     = (REGISTERS_BASE + 0x0000),
74         [ACX_REG_EE_START]           = (REGISTERS_BASE + 0x080C),
75         [ACX_REG_ECPU_CONTROL]       = (REGISTERS_BASE + 0x0804)
76 };
77
78 static int wl1251_upload_firmware(struct wl12xx *wl)
79 {
80         struct wl12xx_partition_set *p_table = wl->chip.p_table;
81         int addr, chunk_num, partition_limit;
82         size_t fw_data_len;
83         u8 *p;
84
85         /* whal_FwCtrl_LoadFwImageSm() */
86
87         wl12xx_debug(DEBUG_BOOT, "chip id before fw upload: 0x%x",
88                      wl12xx_reg_read32(wl, CHIP_ID_B));
89
90         /* 10.0 check firmware length and set partition */
91         fw_data_len =  (wl->fw[4] << 24) | (wl->fw[5] << 16) |
92                 (wl->fw[6] << 8) | (wl->fw[7]);
93
94         wl12xx_debug(DEBUG_BOOT, "fw_data_len %zu chunk_size %d", fw_data_len,
95                 CHUNK_SIZE);
96
97         if ((fw_data_len % 4) != 0) {
98                 wl12xx_error("firmware length not multiple of four");
99                 return -EIO;
100         }
101
102         wl12xx_set_partition(wl,
103                              p_table[PART_DOWN].mem.start,
104                              p_table[PART_DOWN].mem.size,
105                              p_table[PART_DOWN].reg.start,
106                              p_table[PART_DOWN].reg.size);
107
108         /* 10.1 set partition limit and chunk num */
109         chunk_num = 0;
110         partition_limit = p_table[PART_DOWN].mem.size;
111
112         while (chunk_num < fw_data_len / CHUNK_SIZE) {
113                 /* 10.2 update partition, if needed */
114                 addr = p_table[PART_DOWN].mem.start +
115                         (chunk_num + 2) * CHUNK_SIZE;
116                 if (addr > partition_limit) {
117                         addr = p_table[PART_DOWN].mem.start +
118                                 chunk_num * CHUNK_SIZE;
119                         partition_limit = chunk_num * CHUNK_SIZE +
120                                 p_table[PART_DOWN].mem.size;
121                         wl12xx_set_partition(wl,
122                                              addr,
123                                              p_table[PART_DOWN].mem.size,
124                                              p_table[PART_DOWN].reg.start,
125                                              p_table[PART_DOWN].reg.size);
126                 }
127
128                 /* 10.3 upload the chunk */
129                 addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE;
130                 p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
131                 wl12xx_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
132                              p, addr);
133                 wl12xx_spi_mem_write(wl, addr, p, CHUNK_SIZE);
134
135                 chunk_num++;
136         }
137
138         /* 10.4 upload the last chunk */
139         addr = p_table[PART_DOWN].mem.start + chunk_num * CHUNK_SIZE;
140         p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
141         wl12xx_debug(DEBUG_BOOT, "uploading fw last chunk (%zu B) 0x%p to 0x%x",
142                      fw_data_len % CHUNK_SIZE, p, addr);
143         wl12xx_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
144
145         return 0;
146 }
147
148 static int wl1251_upload_nvs(struct wl12xx *wl)
149 {
150         size_t nvs_len, nvs_bytes_written, burst_len;
151         int nvs_start, i;
152         u32 dest_addr, val;
153         u8 *nvs_ptr, *nvs;
154
155         nvs = wl->nvs;
156         if (nvs == NULL)
157                 return -ENODEV;
158
159         nvs_ptr = nvs;
160
161         nvs_len = wl->nvs_len;
162         nvs_start = wl->fw_len;
163
164         /*
165          * Layout before the actual NVS tables:
166          * 1 byte : burst length.
167          * 2 bytes: destination address.
168          * n bytes: data to burst copy.
169          *
170          * This is ended by a 0 length, then the NVS tables.
171          */
172
173         while (nvs_ptr[0]) {
174                 burst_len = nvs_ptr[0];
175                 dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8));
176
177                 /* We move our pointer to the data */
178                 nvs_ptr += 3;
179
180                 for (i = 0; i < burst_len; i++) {
181                         val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
182                                | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
183
184                         wl12xx_debug(DEBUG_BOOT,
185                                      "nvs burst write 0x%x: 0x%x",
186                                      dest_addr, val);
187                         wl12xx_mem_write32(wl, dest_addr, val);
188
189                         nvs_ptr += 4;
190                         dest_addr += 4;
191                 }
192         }
193
194         /*
195          * We've reached the first zero length, the first NVS table
196          * is 7 bytes further.
197          */
198         nvs_ptr += 7;
199         nvs_len -= nvs_ptr - nvs;
200         nvs_len = ALIGN(nvs_len, 4);
201
202         /* Now we must set the partition correctly */
203         wl12xx_set_partition(wl, nvs_start,
204                              wl->chip.p_table[PART_DOWN].mem.size,
205                              wl->chip.p_table[PART_DOWN].reg.start,
206                              wl->chip.p_table[PART_DOWN].reg.size);
207
208         /* And finally we upload the NVS tables */
209         nvs_bytes_written = 0;
210         while (nvs_bytes_written < nvs_len) {
211                 val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
212                        | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
213
214                 val = cpu_to_le32(val);
215
216                 wl12xx_debug(DEBUG_BOOT,
217                              "nvs write table 0x%x: 0x%x",
218                              nvs_start, val);
219                 wl12xx_mem_write32(wl, nvs_start, val);
220
221                 nvs_ptr += 4;
222                 nvs_bytes_written += 4;
223                 nvs_start += 4;
224         }
225
226         return 0;
227 }
228
229 static int wl1251_boot(struct wl12xx *wl)
230 {
231         int ret = 0, minor_minor_e2_ver;
232         u32 tmp, boot_data;
233
234         ret = wl12xx_boot_soft_reset(wl);
235         if (ret < 0)
236                 goto out;
237
238         /* 2. start processing NVS file */
239         ret = wl->chip.op_upload_nvs(wl);
240         if (ret < 0)
241                 goto out;
242
243         /* write firmware's last address (ie. it's length) to
244          * ACX_EEPROMLESS_IND_REG */
245         wl12xx_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
246
247         /* 6. read the EEPROM parameters */
248         tmp = wl12xx_reg_read32(wl, SCR_PAD2);
249
250         /* 7. read bootdata */
251         wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8;
252         wl->boot_attr.major = (tmp & 0x00FF0000) >> 16;
253         tmp = wl12xx_reg_read32(wl, SCR_PAD3);
254
255         /* 8. check bootdata and call restart sequence */
256         wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16;
257         minor_minor_e2_ver = (tmp & 0xFF000000) >> 24;
258
259         wl12xx_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x "
260                      "minorE2Ver 0x%x minor_minor_e2_ver 0x%x",
261                      wl->boot_attr.radio_type, wl->boot_attr.major,
262                      wl->boot_attr.minor, minor_minor_e2_ver);
263
264         ret = wl12xx_boot_init_seq(wl);
265         if (ret < 0)
266                 goto out;
267
268         /* 9. NVS processing done */
269         boot_data = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL);
270
271         wl12xx_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data);
272
273         /* 10. check that ECPU_CONTROL_HALT bits are set in
274          * pWhalBus->uBootData and start uploading firmware
275          */
276         if ((boot_data & ECPU_CONTROL_HALT) == 0) {
277                 wl12xx_error("boot failed, ECPU_CONTROL_HALT not set");
278                 ret = -EIO;
279                 goto out;
280         }
281
282         ret = wl->chip.op_upload_fw(wl);
283         if (ret < 0)
284                 goto out;
285
286         /* 10.5 start firmware */
287         ret = wl12xx_boot_run_firmware(wl);
288         if (ret < 0)
289                 goto out;
290
291         /* Get and save the firmware version */
292         wl12xx_acx_fw_version(wl, wl->chip.fw_ver, sizeof(wl->chip.fw_ver));
293
294 out:
295         return ret;
296 }
297
298 static int wl1251_mem_cfg(struct wl12xx *wl)
299 {
300         struct wl1251_acx_config_memory mem_conf;
301         int ret, i;
302
303         wl12xx_debug(DEBUG_ACX, "wl1251 mem cfg");
304
305         /* memory config */
306         mem_conf.mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
307         mem_conf.mem_config.rx_mem_block_num = 35;
308         mem_conf.mem_config.tx_min_mem_block_num = 64;
309         mem_conf.mem_config.num_tx_queues = MAX_TX_QUEUES;
310         mem_conf.mem_config.host_if_options = HOSTIF_PKT_RING;
311         mem_conf.mem_config.num_ssid_profiles = 1;
312         mem_conf.mem_config.debug_buffer_size =
313                 cpu_to_le16(TRACE_BUFFER_MAX_SIZE);
314
315         /* RX queue config */
316         mem_conf.rx_queue_config.dma_address = 0;
317         mem_conf.rx_queue_config.num_descs = ACX_RX_DESC_DEF;
318         mem_conf.rx_queue_config.priority = DEFAULT_RXQ_PRIORITY;
319         mem_conf.rx_queue_config.type = DEFAULT_RXQ_TYPE;
320
321         /* TX queue config */
322         for (i = 0; i < MAX_TX_QUEUES; i++) {
323                 mem_conf.tx_queue_config[i].num_descs = ACX_TX_DESC_DEF;
324                 mem_conf.tx_queue_config[i].attributes = i;
325         }
326
327         mem_conf.header.id = ACX_MEM_CFG;
328         mem_conf.header.len = sizeof(struct wl1251_acx_config_memory) -
329                 sizeof(struct acx_header);
330         mem_conf.header.len -=
331                 (MAX_TX_QUEUE_CONFIGS - mem_conf.mem_config.num_tx_queues) *
332                 sizeof(struct wl1251_acx_tx_queue_config);
333
334         ret = wl12xx_cmd_configure(wl, &mem_conf,
335                                    sizeof(struct wl1251_acx_config_memory));
336         if (ret < 0)
337                 wl12xx_warning("wl1251 mem config failed: %d", ret);
338
339         return ret;
340 }
341
342 static int wl1251_hw_init_mem_config(struct wl12xx *wl)
343 {
344         int ret;
345
346         ret = wl1251_mem_cfg(wl);
347         if (ret < 0)
348                 return ret;
349
350         wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map),
351                                           GFP_KERNEL);
352         if (!wl->target_mem_map) {
353                 wl12xx_error("couldn't allocate target memory map");
354                 return -ENOMEM;
355         }
356
357         /* we now ask for the firmware built memory map */
358         ret = wl12xx_acx_mem_map(wl, wl->target_mem_map,
359                                  sizeof(struct wl1251_acx_mem_map));
360         if (ret < 0) {
361                 wl12xx_error("couldn't retrieve firmware memory map");
362                 kfree(wl->target_mem_map);
363                 wl->target_mem_map = NULL;
364                 return ret;
365         }
366
367         return 0;
368 }
369
370 static void wl1251_set_ecpu_ctrl(struct wl12xx *wl, u32 flag)
371 {
372         u32 cpu_ctrl;
373
374         /* 10.5.0 run the firmware (I) */
375         cpu_ctrl = wl12xx_reg_read32(wl, ACX_REG_ECPU_CONTROL);
376
377         /* 10.5.1 run the firmware (II) */
378         cpu_ctrl &= ~flag;
379         wl12xx_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
380 }
381
382 static void wl1251_target_enable_interrupts(struct wl12xx *wl)
383 {
384         /* Enable target's interrupts */
385         wl->intr_mask = WL1251_ACX_INTR_RX0_DATA |
386                 WL1251_ACX_INTR_RX1_DATA |
387                 WL1251_ACX_INTR_TX_RESULT |
388                 WL1251_ACX_INTR_EVENT_A |
389                 WL1251_ACX_INTR_EVENT_B |
390                 WL1251_ACX_INTR_INIT_COMPLETE;
391         wl12xx_boot_target_enable_interrupts(wl);
392 }
393
394 static void wl1251_irq_work(struct work_struct *work)
395 {
396         u32 intr;
397         struct wl12xx *wl =
398                 container_of(work, struct wl12xx, irq_work);
399
400         mutex_lock(&wl->mutex);
401
402         wl12xx_debug(DEBUG_IRQ, "IRQ work");
403
404         if (wl->state == WL12XX_STATE_OFF)
405                 goto out;
406
407         wl12xx_ps_elp_wakeup(wl);
408
409         wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL);
410
411         intr = wl12xx_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
412         wl12xx_debug(DEBUG_IRQ, "intr: 0x%x", intr);
413
414         if (wl->data_path) {
415                 wl12xx_spi_mem_read(wl, wl->data_path->rx_control_addr,
416                                     &wl->rx_counter, sizeof(u32));
417
418                 /* We handle a frmware bug here */
419                 switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
420                 case 0:
421                         wl12xx_debug(DEBUG_IRQ, "RX: FW and host in sync");
422                         intr &= ~WL1251_ACX_INTR_RX0_DATA;
423                         intr &= ~WL1251_ACX_INTR_RX1_DATA;
424                         break;
425                 case 1:
426                         wl12xx_debug(DEBUG_IRQ, "RX: FW +1");
427                         intr |= WL1251_ACX_INTR_RX0_DATA;
428                         intr &= ~WL1251_ACX_INTR_RX1_DATA;
429                         break;
430                 case 2:
431                         wl12xx_debug(DEBUG_IRQ, "RX: FW +2");
432                         intr |= WL1251_ACX_INTR_RX0_DATA;
433                         intr |= WL1251_ACX_INTR_RX1_DATA;
434                         break;
435                 default:
436                         wl12xx_warning("RX: FW and host out of sync: %d",
437                                        wl->rx_counter - wl->rx_handled);
438                         break;
439                 }
440
441                 wl->rx_handled = wl->rx_counter;
442
443
444                 wl12xx_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter);
445         }
446
447         intr &= wl->intr_mask;
448
449         if (intr == 0) {
450                 wl12xx_debug(DEBUG_IRQ, "INTR is 0");
451                 wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
452                                    ~(wl->intr_mask));
453
454                 goto out_sleep;
455         }
456
457         if (intr & WL1251_ACX_INTR_RX0_DATA) {
458                 wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA");
459                 wl12xx_rx(wl);
460         }
461
462         if (intr & WL1251_ACX_INTR_RX1_DATA) {
463                 wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA");
464                 wl12xx_rx(wl);
465         }
466
467         if (intr & WL1251_ACX_INTR_TX_RESULT) {
468                 wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT");
469                 wl12xx_tx_complete(wl);
470         }
471
472         if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) {
473                 wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr);
474                 if (intr & WL1251_ACX_INTR_EVENT_A)
475                         wl12xx_event_handle(wl, 0);
476                 else
477                         wl12xx_event_handle(wl, 1);
478         }
479
480         if (intr & WL1251_ACX_INTR_INIT_COMPLETE)
481                 wl12xx_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE");
482
483         wl12xx_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
484
485 out_sleep:
486         wl12xx_ps_elp_sleep(wl);
487 out:
488         mutex_unlock(&wl->mutex);
489 }
490
491 static int wl1251_hw_init_txq_fill(u8 qid,
492                                    struct acx_tx_queue_qos_config *config,
493                                    u32 num_blocks)
494 {
495         config->qid = qid;
496
497         switch (qid) {
498         case QOS_AC_BE:
499                 config->high_threshold =
500                         (QOS_TX_HIGH_BE_DEF * num_blocks) / 100;
501                 config->low_threshold =
502                         (QOS_TX_LOW_BE_DEF * num_blocks) / 100;
503                 break;
504         case QOS_AC_BK:
505                 config->high_threshold =
506                         (QOS_TX_HIGH_BK_DEF * num_blocks) / 100;
507                 config->low_threshold =
508                         (QOS_TX_LOW_BK_DEF * num_blocks) / 100;
509                 break;
510         case QOS_AC_VI:
511                 config->high_threshold =
512                         (QOS_TX_HIGH_VI_DEF * num_blocks) / 100;
513                 config->low_threshold =
514                         (QOS_TX_LOW_VI_DEF * num_blocks) / 100;
515                 break;
516         case QOS_AC_VO:
517                 config->high_threshold =
518                         (QOS_TX_HIGH_VO_DEF * num_blocks) / 100;
519                 config->low_threshold =
520                         (QOS_TX_LOW_VO_DEF * num_blocks) / 100;
521                 break;
522         default:
523                 wl12xx_error("Invalid TX queue id: %d", qid);
524                 return -EINVAL;
525         }
526
527         return 0;
528 }
529
530 static int wl1251_hw_init_tx_queue_config(struct wl12xx *wl)
531 {
532         struct acx_tx_queue_qos_config config;
533         struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map;
534         int ret, i;
535
536         wl12xx_debug(DEBUG_ACX, "acx tx queue config");
537
538         config.header.id = ACX_TX_QUEUE_CFG;
539         config.header.len = sizeof(struct acx_tx_queue_qos_config) -
540                 sizeof(struct acx_header);
541
542         for (i = 0; i < MAX_NUM_OF_AC; i++) {
543                 ret = wl1251_hw_init_txq_fill(i, &config,
544                                               wl_mem_map->num_tx_mem_blocks);
545                 if (ret < 0)
546                         return ret;
547
548                 ret = wl12xx_cmd_configure(wl, &config, sizeof(config));
549                 if (ret < 0)
550                         return ret;
551         }
552
553         return 0;
554 }
555
556 static int wl1251_hw_init_data_path_config(struct wl12xx *wl)
557 {
558         int ret;
559
560         /* asking for the data path parameters */
561         wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp),
562                                 GFP_KERNEL);
563         if (!wl->data_path) {
564                 wl12xx_error("Couldnt allocate data path parameters");
565                 return -ENOMEM;
566         }
567
568         ret = wl12xx_acx_data_path_params(wl, wl->data_path);
569         if (ret < 0) {
570                 kfree(wl->data_path);
571                 wl->data_path = NULL;
572                 return ret;
573         }
574
575         return 0;
576 }
577
578 static int wl1251_hw_init(struct wl12xx *wl)
579 {
580         struct wl1251_acx_mem_map *wl_mem_map;
581         int ret;
582
583         ret = wl12xx_hw_init_hwenc_config(wl);
584         if (ret < 0)
585                 return ret;
586
587         /* Template settings */
588         ret = wl12xx_hw_init_templates_config(wl);
589         if (ret < 0)
590                 return ret;
591
592         /* Default memory configuration */
593         ret = wl1251_hw_init_mem_config(wl);
594         if (ret < 0)
595                 return ret;
596
597         /* Default data path configuration  */
598         ret = wl1251_hw_init_data_path_config(wl);
599         if (ret < 0)
600                 goto out_free_memmap;
601
602         /* RX config */
603         ret = wl12xx_hw_init_rx_config(wl,
604                                        RX_CFG_PROMISCUOUS | RX_CFG_TSF,
605                                        RX_FILTER_OPTION_DEF);
606         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
607            RX_FILTER_OPTION_FILTER_ALL); */
608         if (ret < 0)
609                 goto out_free_data_path;
610
611         /* TX queues config */
612         ret = wl1251_hw_init_tx_queue_config(wl);
613         if (ret < 0)
614                 goto out_free_data_path;
615
616         /* PHY layer config */
617         ret = wl12xx_hw_init_phy_config(wl);
618         if (ret < 0)
619                 goto out_free_data_path;
620
621         /* Beacon filtering */
622         ret = wl12xx_hw_init_beacon_filter(wl);
623         if (ret < 0)
624                 goto out_free_data_path;
625
626         /* Bluetooth WLAN coexistence */
627         ret = wl12xx_hw_init_pta(wl);
628         if (ret < 0)
629                 goto out_free_data_path;
630
631         /* Energy detection */
632         ret = wl12xx_hw_init_energy_detection(wl);
633         if (ret < 0)
634                 goto out_free_data_path;
635
636         /* Beacons and boradcast settings */
637         ret = wl12xx_hw_init_beacon_broadcast(wl);
638         if (ret < 0)
639                 goto out_free_data_path;
640
641         /* Enable data path */
642         ret = wl12xx_cmd_data_path(wl, wl->channel, 1);
643         if (ret < 0)
644                 goto out_free_data_path;
645
646         /* Default power state */
647         ret = wl12xx_hw_init_power_auth(wl);
648         if (ret < 0)
649                 goto out_free_data_path;
650
651         wl_mem_map = wl->target_mem_map;
652         wl12xx_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x",
653                     wl_mem_map->num_tx_mem_blocks,
654                     wl->data_path->tx_control_addr,
655                     wl_mem_map->num_rx_mem_blocks,
656                     wl->data_path->rx_control_addr);
657
658         return 0;
659
660  out_free_data_path:
661         kfree(wl->data_path);
662
663  out_free_memmap:
664         kfree(wl->target_mem_map);
665
666         return ret;
667 }
668
669 static int wl1251_plt_init(struct wl12xx *wl)
670 {
671         int ret;
672
673         ret = wl1251_hw_init_mem_config(wl);
674         if (ret < 0)
675                 return ret;
676
677         ret = wl12xx_cmd_data_path(wl, wl->channel, 1);
678         if (ret < 0)
679                 return ret;
680
681         return 0;
682 }
683
684 void wl1251_setup(struct wl12xx *wl)
685 {
686         /* FIXME: Is it better to use strncpy here or is this ok? */
687         wl->chip.fw_filename = WL1251_FW_NAME;
688         wl->chip.nvs_filename = WL1251_NVS_NAME;
689
690         /* Now we know what chip we're using, so adjust the power on sleep
691          * time accordingly */
692         wl->chip.power_on_sleep = WL1251_POWER_ON_SLEEP;
693
694         wl->chip.intr_cmd_complete = WL1251_ACX_INTR_CMD_COMPLETE;
695         wl->chip.intr_init_complete = WL1251_ACX_INTR_INIT_COMPLETE;
696
697         wl->chip.op_upload_nvs = wl1251_upload_nvs;
698         wl->chip.op_upload_fw = wl1251_upload_firmware;
699         wl->chip.op_boot = wl1251_boot;
700         wl->chip.op_set_ecpu_ctrl = wl1251_set_ecpu_ctrl;
701         wl->chip.op_target_enable_interrupts = wl1251_target_enable_interrupts;
702         wl->chip.op_hw_init = wl1251_hw_init;
703         wl->chip.op_plt_init = wl1251_plt_init;
704
705         wl->chip.p_table = wl1251_part_table;
706         wl->chip.acx_reg_table = wl1251_acx_reg_table;
707
708         INIT_WORK(&wl->irq_work, wl1251_irq_work);
709 }