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drivers: power: report battery voltage in AOSP compatible format
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / codecs / wm_adsp.c
CommitLineData
2159ad93
MB		 1/*
2 * wm_adsp.c -- Wolfson ADSP support
3 *
4 * Copyright 2012 Wolfson Microelectronics plc
5 *
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/init.h>
16#include <linux/delay.h>
17#include <linux/firmware.h>
cf17c83c 18#include <linux/list.h>
2159ad93
MB		 19#include <linux/pm.h>
20#include <linux/pm_runtime.h>
21#include <linux/regmap.h>
973838a0 22#include <linux/regulator/consumer.h>
2159ad93
MB		 23#include <linux/slab.h>
24#include <sound/core.h>
25#include <sound/pcm.h>
26#include <sound/pcm_params.h>
27#include <sound/soc.h>
28#include <sound/jack.h>
29#include <sound/initval.h>
30#include <sound/tlv.h>
31
32#include <linux/mfd/arizona/registers.h>
33
dc91428a 34#include "arizona.h"
2159ad93
MB		 35#include "wm_adsp.h"
36
37#define adsp_crit(_dsp, fmt, ...) \
38 dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
39#define adsp_err(_dsp, fmt, ...) \
40 dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
41#define adsp_warn(_dsp, fmt, ...) \
42 dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
43#define adsp_info(_dsp, fmt, ...) \
44 dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
45#define adsp_dbg(_dsp, fmt, ...) \
46 dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
47
48#define ADSP1_CONTROL_1 0x00
49#define ADSP1_CONTROL_2 0x02
50#define ADSP1_CONTROL_3 0x03
51#define ADSP1_CONTROL_4 0x04
52#define ADSP1_CONTROL_5 0x06
53#define ADSP1_CONTROL_6 0x07
54#define ADSP1_CONTROL_7 0x08
55#define ADSP1_CONTROL_8 0x09
56#define ADSP1_CONTROL_9 0x0A
57#define ADSP1_CONTROL_10 0x0B
58#define ADSP1_CONTROL_11 0x0C
59#define ADSP1_CONTROL_12 0x0D
60#define ADSP1_CONTROL_13 0x0F
61#define ADSP1_CONTROL_14 0x10
62#define ADSP1_CONTROL_15 0x11
63#define ADSP1_CONTROL_16 0x12
64#define ADSP1_CONTROL_17 0x13
65#define ADSP1_CONTROL_18 0x14
66#define ADSP1_CONTROL_19 0x16
67#define ADSP1_CONTROL_20 0x17
68#define ADSP1_CONTROL_21 0x18
69#define ADSP1_CONTROL_22 0x1A
70#define ADSP1_CONTROL_23 0x1B
71#define ADSP1_CONTROL_24 0x1C
72#define ADSP1_CONTROL_25 0x1E
73#define ADSP1_CONTROL_26 0x20
74#define ADSP1_CONTROL_27 0x21
75#define ADSP1_CONTROL_28 0x22
76#define ADSP1_CONTROL_29 0x23
77#define ADSP1_CONTROL_30 0x24
78#define ADSP1_CONTROL_31 0x26
79
80/*
81 * ADSP1 Control 19
82 */
83#define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
84#define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
85#define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
86
87
88/*
89 * ADSP1 Control 30
90 */
91#define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */
92#define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */
93#define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */
94#define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */
95#define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
96#define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
97#define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
98#define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
99#define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
100#define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
101#define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
102#define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
103#define ADSP1_START 0x0001 /* DSP1_START */
104#define ADSP1_START_MASK 0x0001 /* DSP1_START */
105#define ADSP1_START_SHIFT 0 /* DSP1_START */
106#define ADSP1_START_WIDTH 1 /* DSP1_START */
107
94e205bf
CR		 108/*
109 * ADSP1 Control 31
110 */
111#define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
112#define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
113#define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
114
2d30b575
MB		 115#define ADSP2_CONTROL 0x0
116#define ADSP2_CLOCKING 0x1
117#define ADSP2_STATUS1 0x4
118#define ADSP2_WDMA_CONFIG_1 0x30
119#define ADSP2_WDMA_CONFIG_2 0x31
120#define ADSP2_RDMA_CONFIG_1 0x34
2159ad93
MB		 121
122/*
123 * ADSP2 Control
124 */
125
126#define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */
127#define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */
128#define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */
129#define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */
130#define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
131#define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
132#define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
133#define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
134#define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
135#define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
136#define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
137#define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
138#define ADSP2_START 0x0001 /* DSP1_START */
139#define ADSP2_START_MASK 0x0001 /* DSP1_START */
140#define ADSP2_START_SHIFT 0 /* DSP1_START */
141#define ADSP2_START_WIDTH 1 /* DSP1_START */
142
973838a0
MB		 143/*
144 * ADSP2 clocking
145 */
146#define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
147#define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
148#define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
149
2159ad93
MB		 150/*
151 * ADSP2 Status 1
152 */
153#define ADSP2_RAM_RDY 0x0001
154#define ADSP2_RAM_RDY_MASK 0x0001
155#define ADSP2_RAM_RDY_SHIFT 0
156#define ADSP2_RAM_RDY_WIDTH 1
157
cf17c83c
MB		 158struct wm_adsp_buf {
159 struct list_head list;
160 void *buf;
161};
162
163static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
164 struct list_head *list)
165{
166 struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
167
168 if (buf == NULL)
169 return NULL;
170
171 buf->buf = kmemdup(src, len, GFP_KERNEL | GFP_DMA);
172 if (!buf->buf) {
173 kfree(buf);
174 return NULL;
175 }
176
177 if (list)
178 list_add_tail(&buf->list, list);
179
180 return buf;
181}
182
183static void wm_adsp_buf_free(struct list_head *list)
184{
185 while (!list_empty(list)) {
186 struct wm_adsp_buf *buf = list_first_entry(list,
187 struct wm_adsp_buf,
188 list);
189 list_del(&buf->list);
190 kfree(buf->buf);
191 kfree(buf);
192 }
193}
194
36e8fe99 195#define WM_ADSP_NUM_FW 4
1023dbd9 196
dd84f925
MB		 197#define WM_ADSP_FW_MBC_VSS 0
198#define WM_ADSP_FW_TX 1
199#define WM_ADSP_FW_TX_SPK 2
200#define WM_ADSP_FW_RX_ANC 3
201
1023dbd9 202static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
dd84f925
MB		 203 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS",
204 [WM_ADSP_FW_TX] = "Tx",
205 [WM_ADSP_FW_TX_SPK] = "Tx Speaker",
206 [WM_ADSP_FW_RX_ANC] = "Rx ANC",
1023dbd9
MB		 207};
208
209static struct {
210 const char *file;
211} wm_adsp_fw[WM_ADSP_NUM_FW] = {
dd84f925
MB		 212 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" },
213 [WM_ADSP_FW_TX] = { .file = "tx" },
214 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" },
215 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" },
1023dbd9
MB		 216};
217
218static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
219 struct snd_ctl_elem_value *ucontrol)
220{
221 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
222 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
223 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
224
225 ucontrol->value.integer.value[0] = adsp[e->shift_l].fw;
226
227 return 0;
228}
229
230static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
231 struct snd_ctl_elem_value *ucontrol)
232{
233 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
234 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
235 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
236
237 if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw)
238 return 0;
239
240 if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW)
241 return -EINVAL;
242
243 if (adsp[e->shift_l].running)
244 return -EBUSY;
245
31522764 246 adsp[e->shift_l].fw = ucontrol->value.integer.value[0];
1023dbd9
MB		 247
248 return 0;
249}
250
251static const struct soc_enum wm_adsp_fw_enum[] = {
252 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
253 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
254 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
255 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
256};
257
b6ed61cf 258const struct snd_kcontrol_new wm_adsp1_fw_controls[] = {
1023dbd9
MB		 259 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
260 wm_adsp_fw_get, wm_adsp_fw_put),
261 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
262 wm_adsp_fw_get, wm_adsp_fw_put),
263 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
264 wm_adsp_fw_get, wm_adsp_fw_put),
b6ed61cf
MB		 265};
266EXPORT_SYMBOL_GPL(wm_adsp1_fw_controls);
267
268#if IS_ENABLED(CONFIG_SND_SOC_ARIZONA)
269static const struct soc_enum wm_adsp2_rate_enum[] = {
dc91428a
MB		 270 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1,
271 ARIZONA_DSP1_RATE_SHIFT, 0xf,
272 ARIZONA_RATE_ENUM_SIZE,
273 arizona_rate_text, arizona_rate_val),
274 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1,
275 ARIZONA_DSP1_RATE_SHIFT, 0xf,
276 ARIZONA_RATE_ENUM_SIZE,
277 arizona_rate_text, arizona_rate_val),
278 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
279 ARIZONA_DSP1_RATE_SHIFT, 0xf,
280 ARIZONA_RATE_ENUM_SIZE,
281 arizona_rate_text, arizona_rate_val),
282 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
283 ARIZONA_DSP1_RATE_SHIFT, 0xf,
284 ARIZONA_RATE_ENUM_SIZE,
285 arizona_rate_text, arizona_rate_val),
286};
287
b6ed61cf 288const struct snd_kcontrol_new wm_adsp2_fw_controls[] = {
1023dbd9
MB		 289 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
290 wm_adsp_fw_get, wm_adsp_fw_put),
b6ed61cf 291 SOC_ENUM("DSP1 Rate", wm_adsp2_rate_enum[0]),
1023dbd9
MB		 292 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
293 wm_adsp_fw_get, wm_adsp_fw_put),
b6ed61cf 294 SOC_ENUM("DSP2 Rate", wm_adsp2_rate_enum[1]),
1023dbd9
MB		 295 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
296 wm_adsp_fw_get, wm_adsp_fw_put),
b6ed61cf 297 SOC_ENUM("DSP3 Rate", wm_adsp2_rate_enum[2]),
1023dbd9
MB		 298 SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
299 wm_adsp_fw_get, wm_adsp_fw_put),
b6ed61cf 300 SOC_ENUM("DSP4 Rate", wm_adsp2_rate_enum[3]),
1023dbd9 301};
b6ed61cf
MB		 302EXPORT_SYMBOL_GPL(wm_adsp2_fw_controls);
303#endif
2159ad93
MB		 304
305static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
306 int type)
307{
308 int i;
309
310 for (i = 0; i < dsp->num_mems; i++)
311 if (dsp->mem[i].type == type)
312 return &dsp->mem[i];
313
314 return NULL;
315}
316
45b9ee72
MB		 317static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
318 unsigned int offset)
319{
320 switch (region->type) {
321 case WMFW_ADSP1_PM:
322 return region->base + (offset * 3);
323 case WMFW_ADSP1_DM:
324 return region->base + (offset * 2);
325 case WMFW_ADSP2_XM:
326 return region->base + (offset * 2);
327 case WMFW_ADSP2_YM:
328 return region->base + (offset * 2);
329 case WMFW_ADSP1_ZM:
330 return region->base + (offset * 2);
331 default:
332 WARN_ON(NULL != "Unknown memory region type");
333 return offset;
334 }
335}
336
2159ad93
MB		 337static int wm_adsp_load(struct wm_adsp *dsp)
338{
cf17c83c 339 LIST_HEAD(buf_list);
2159ad93
MB		 340 const struct firmware *firmware;
341 struct regmap *regmap = dsp->regmap;
342 unsigned int pos = 0;
343 const struct wmfw_header *header;
344 const struct wmfw_adsp1_sizes *adsp1_sizes;
345 const struct wmfw_adsp2_sizes *adsp2_sizes;
346 const struct wmfw_footer *footer;
347 const struct wmfw_region *region;
348 const struct wm_adsp_region *mem;
349 const char *region_name;
350 char *file, *text;
cf17c83c 351 struct wm_adsp_buf *buf;
2159ad93
MB		 352 unsigned int reg;
353 int regions = 0;
354 int ret, offset, type, sizes;
355
356 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
357 if (file == NULL)
358 return -ENOMEM;
359
1023dbd9
MB		 360 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
361 wm_adsp_fw[dsp->fw].file);
2159ad93
MB		 362 file[PAGE_SIZE - 1] = '\0';
363
364 ret = request_firmware(&firmware, file, dsp->dev);
365 if (ret != 0) {
366 adsp_err(dsp, "Failed to request '%s'\n", file);
367 goto out;
368 }
369 ret = -EINVAL;
370
371 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
372 if (pos >= firmware->size) {
373 adsp_err(dsp, "%s: file too short, %zu bytes\n",
374 file, firmware->size);
375 goto out_fw;
376 }
377
378 header = (void*)&firmware->data[0];
379
380 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
381 adsp_err(dsp, "%s: invalid magic\n", file);
382 goto out_fw;
383 }
384
385 if (header->ver != 0) {
386 adsp_err(dsp, "%s: unknown file format %d\n",
387 file, header->ver);
388 goto out_fw;
389 }
390
391 if (header->core != dsp->type) {
392 adsp_err(dsp, "%s: invalid core %d != %d\n",
393 file, header->core, dsp->type);
394 goto out_fw;
395 }
396
397 switch (dsp->type) {
398 case WMFW_ADSP1:
399 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
400 adsp1_sizes = (void *)&(header[1]);
401 footer = (void *)&(adsp1_sizes[1]);
402 sizes = sizeof(*adsp1_sizes);
403
404 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
405 file, le32_to_cpu(adsp1_sizes->dm),
406 le32_to_cpu(adsp1_sizes->pm),
407 le32_to_cpu(adsp1_sizes->zm));
408 break;
409
410 case WMFW_ADSP2:
411 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
412 adsp2_sizes = (void *)&(header[1]);
413 footer = (void *)&(adsp2_sizes[1]);
414 sizes = sizeof(*adsp2_sizes);
415
416 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
417 file, le32_to_cpu(adsp2_sizes->xm),
418 le32_to_cpu(adsp2_sizes->ym),
419 le32_to_cpu(adsp2_sizes->pm),
420 le32_to_cpu(adsp2_sizes->zm));
421 break;
422
423 default:
424 BUG_ON(NULL == "Unknown DSP type");
425 goto out_fw;
426 }
427
428 if (le32_to_cpu(header->len) != sizeof(*header) +
429 sizes + sizeof(*footer)) {
430 adsp_err(dsp, "%s: unexpected header length %d\n",
431 file, le32_to_cpu(header->len));
432 goto out_fw;
433 }
434
435 adsp_dbg(dsp, "%s: timestamp %llu\n", file,
436 le64_to_cpu(footer->timestamp));
437
438 while (pos < firmware->size &&
439 pos - firmware->size > sizeof(*region)) {
440 region = (void *)&(firmware->data[pos]);
441 region_name = "Unknown";
442 reg = 0;
443 text = NULL;
444 offset = le32_to_cpu(region->offset) & 0xffffff;
445 type = be32_to_cpu(region->type) & 0xff;
446 mem = wm_adsp_find_region(dsp, type);
447
448 switch (type) {
449 case WMFW_NAME_TEXT:
450 region_name = "Firmware name";
451 text = kzalloc(le32_to_cpu(region->len) + 1,
452 GFP_KERNEL);
453 break;
454 case WMFW_INFO_TEXT:
455 region_name = "Information";
456 text = kzalloc(le32_to_cpu(region->len) + 1,
457 GFP_KERNEL);
458 break;
459 case WMFW_ABSOLUTE:
460 region_name = "Absolute";
461 reg = offset;
462 break;
463 case WMFW_ADSP1_PM:
464 BUG_ON(!mem);
465 region_name = "PM";
45b9ee72 466 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 467 break;
468 case WMFW_ADSP1_DM:
469 BUG_ON(!mem);
470 region_name = "DM";
45b9ee72 471 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 472 break;
473 case WMFW_ADSP2_XM:
474 BUG_ON(!mem);
475 region_name = "XM";
45b9ee72 476 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 477 break;
478 case WMFW_ADSP2_YM:
479 BUG_ON(!mem);
480 region_name = "YM";
45b9ee72 481 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 482 break;
483 case WMFW_ADSP1_ZM:
484 BUG_ON(!mem);
485 region_name = "ZM";
45b9ee72 486 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 487 break;
488 default:
489 adsp_warn(dsp,
490 "%s.%d: Unknown region type %x at %d(%x)\n",
491 file, regions, type, pos, pos);
492 break;
493 }
494
495 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
496 regions, le32_to_cpu(region->len), offset,
497 region_name);
498
499 if (text) {
500 memcpy(text, region->data, le32_to_cpu(region->len));
501 adsp_info(dsp, "%s: %s\n", file, text);
502 kfree(text);
503 }
504
505 if (reg) {
cf17c83c
MB		 506 buf = wm_adsp_buf_alloc(region->data,
507 le32_to_cpu(region->len),
508 &buf_list);
a76fefab
MB		 509 if (!buf) {
510 adsp_err(dsp, "Out of memory\n");
511 return -ENOMEM;
512 }
513
cf17c83c
MB		 514 ret = regmap_raw_write_async(regmap, reg, buf->buf,
515 le32_to_cpu(region->len));
2159ad93
MB		 516 if (ret != 0) {
517 adsp_err(dsp,
518 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
519 file, regions,
520 le32_to_cpu(region->len), offset,
521 region_name, ret);
522 goto out_fw;
523 }
524 }
525
526 pos += le32_to_cpu(region->len) + sizeof(*region);
527 regions++;
528 }
cf17c83c
MB		 529
530 ret = regmap_async_complete(regmap);
531 if (ret != 0) {
532 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
533 goto out_fw;
534 }
535
2159ad93
MB		 536 if (pos > firmware->size)
537 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
538 file, regions, pos - firmware->size);
539
540out_fw:
cf17c83c
MB		 541 regmap_async_complete(regmap);
542 wm_adsp_buf_free(&buf_list);
2159ad93
MB		 543 release_firmware(firmware);
544out:
545 kfree(file);
546
547 return ret;
548}
549
db40517c
MB		 550static int wm_adsp_setup_algs(struct wm_adsp *dsp)
551{
552 struct regmap *regmap = dsp->regmap;
553 struct wmfw_adsp1_id_hdr adsp1_id;
554 struct wmfw_adsp2_id_hdr adsp2_id;
555 struct wmfw_adsp1_alg_hdr *adsp1_alg;
556 struct wmfw_adsp2_alg_hdr *adsp2_alg;
d62f4bc6 557 void *alg, *buf;
471f4885 558 struct wm_adsp_alg_region *region;
db40517c
MB		 559 const struct wm_adsp_region *mem;
560 unsigned int pos, term;
d62f4bc6 561 size_t algs, buf_size;
db40517c
MB		 562 __be32 val;
563 int i, ret;
564
565 switch (dsp->type) {
566 case WMFW_ADSP1:
567 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
568 break;
569 case WMFW_ADSP2:
570 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
571 break;
572 default:
573 mem = NULL;
574 break;
575 }
576
577 if (mem == NULL) {
578 BUG_ON(mem != NULL);
579 return -EINVAL;
580 }
581
582 switch (dsp->type) {
583 case WMFW_ADSP1:
584 ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
585 sizeof(adsp1_id));
586 if (ret != 0) {
587 adsp_err(dsp, "Failed to read algorithm info: %d\n",
588 ret);
589 return ret;
590 }
591
d62f4bc6
MB		 592 buf = &adsp1_id;
593 buf_size = sizeof(adsp1_id);
594
db40517c 595 algs = be32_to_cpu(adsp1_id.algs);
f395a218 596 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
db40517c 597 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
f395a218 598 dsp->fw_id,
db40517c
MB		 599 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
600 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
601 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
602 algs);
603
ac50009f
MB		 604 region = kzalloc(sizeof(*region), GFP_KERNEL);
605 if (!region)
606 return -ENOMEM;
607 region->type = WMFW_ADSP1_ZM;
608 region->alg = be32_to_cpu(adsp1_id.fw.id);
609 region->base = be32_to_cpu(adsp1_id.zm);
610 list_add_tail(&region->list, &dsp->alg_regions);
611
612 region = kzalloc(sizeof(*region), GFP_KERNEL);
613 if (!region)
614 return -ENOMEM;
615 region->type = WMFW_ADSP1_DM;
616 region->alg = be32_to_cpu(adsp1_id.fw.id);
617 region->base = be32_to_cpu(adsp1_id.dm);
618 list_add_tail(&region->list, &dsp->alg_regions);
619
db40517c
MB		 620 pos = sizeof(adsp1_id) / 2;
621 term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
622 break;
623
624 case WMFW_ADSP2:
625 ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
626 sizeof(adsp2_id));
627 if (ret != 0) {
628 adsp_err(dsp, "Failed to read algorithm info: %d\n",
629 ret);
630 return ret;
631 }
632
d62f4bc6
MB		 633 buf = &adsp2_id;
634 buf_size = sizeof(adsp2_id);
635
db40517c 636 algs = be32_to_cpu(adsp2_id.algs);
f395a218 637 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
db40517c 638 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
f395a218 639 dsp->fw_id,
db40517c
MB		 640 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
641 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
642 be32_to_cpu(adsp2_id.fw.ver) & 0xff,
643 algs);
644
ac50009f
MB		 645 region = kzalloc(sizeof(*region), GFP_KERNEL);
646 if (!region)
647 return -ENOMEM;
648 region->type = WMFW_ADSP2_XM;
649 region->alg = be32_to_cpu(adsp2_id.fw.id);
650 region->base = be32_to_cpu(adsp2_id.xm);
651 list_add_tail(&region->list, &dsp->alg_regions);
652
653 region = kzalloc(sizeof(*region), GFP_KERNEL);
654 if (!region)
655 return -ENOMEM;
656 region->type = WMFW_ADSP2_YM;
657 region->alg = be32_to_cpu(adsp2_id.fw.id);
658 region->base = be32_to_cpu(adsp2_id.ym);
659 list_add_tail(&region->list, &dsp->alg_regions);
660
661 region = kzalloc(sizeof(*region), GFP_KERNEL);
662 if (!region)
663 return -ENOMEM;
664 region->type = WMFW_ADSP2_ZM;
665 region->alg = be32_to_cpu(adsp2_id.fw.id);
666 region->base = be32_to_cpu(adsp2_id.zm);
667 list_add_tail(&region->list, &dsp->alg_regions);
668
db40517c
MB		 669 pos = sizeof(adsp2_id) / 2;
670 term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
671 break;
672
673 default:
674 BUG_ON(NULL == "Unknown DSP type");
675 return -EINVAL;
676 }
677
678 if (algs == 0) {
679 adsp_err(dsp, "No algorithms\n");
680 return -EINVAL;
681 }
682
d62f4bc6
MB		 683 if (algs > 1024) {
684 adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
685 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
686 buf, buf_size);
687 return -EINVAL;
688 }
689
db40517c
MB		 690 /* Read the terminator first to validate the length */
691 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
692 if (ret != 0) {
693 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
694 ret);
695 return ret;
696 }
697
698 if (be32_to_cpu(val) != 0xbedead)
699 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
700 term, be32_to_cpu(val));
701
f2a93e2a 702 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
db40517c
MB		 703 if (!alg)
704 return -ENOMEM;
705
706 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
707 if (ret != 0) {
708 adsp_err(dsp, "Failed to read algorithm list: %d\n",
709 ret);
710 goto out;
711 }
712
713 adsp1_alg = alg;
714 adsp2_alg = alg;
715
716 for (i = 0; i < algs; i++) {
717 switch (dsp->type) {
718 case WMFW_ADSP1:
471f4885 719 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
db40517c
MB		 720 i, be32_to_cpu(adsp1_alg[i].alg.id),
721 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
722 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
471f4885
MB		 723 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
724 be32_to_cpu(adsp1_alg[i].dm),
725 be32_to_cpu(adsp1_alg[i].zm));
726
7480800e
MB		 727 region = kzalloc(sizeof(*region), GFP_KERNEL);
728 if (!region)
729 return -ENOMEM;
730 region->type = WMFW_ADSP1_DM;
731 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
732 region->base = be32_to_cpu(adsp1_alg[i].dm);
733 list_add_tail(&region->list, &dsp->alg_regions);
471f4885 734
7480800e
MB		 735 region = kzalloc(sizeof(*region), GFP_KERNEL);
736 if (!region)
737 return -ENOMEM;
738 region->type = WMFW_ADSP1_ZM;
739 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
740 region->base = be32_to_cpu(adsp1_alg[i].zm);
741 list_add_tail(&region->list, &dsp->alg_regions);
db40517c
MB		 742 break;
743
744 case WMFW_ADSP2:
471f4885
MB		 745 adsp_info(dsp,
746 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
db40517c
MB		 747 i, be32_to_cpu(adsp2_alg[i].alg.id),
748 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
749 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
471f4885
MB		 750 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
751 be32_to_cpu(adsp2_alg[i].xm),
752 be32_to_cpu(adsp2_alg[i].ym),
753 be32_to_cpu(adsp2_alg[i].zm));
754
7480800e
MB		 755 region = kzalloc(sizeof(*region), GFP_KERNEL);
756 if (!region)
757 return -ENOMEM;
758 region->type = WMFW_ADSP2_XM;
759 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
760 region->base = be32_to_cpu(adsp2_alg[i].xm);
761 list_add_tail(&region->list, &dsp->alg_regions);
471f4885 762
7480800e
MB		 763 region = kzalloc(sizeof(*region), GFP_KERNEL);
764 if (!region)
765 return -ENOMEM;
766 region->type = WMFW_ADSP2_YM;
767 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
768 region->base = be32_to_cpu(adsp2_alg[i].ym);
769 list_add_tail(&region->list, &dsp->alg_regions);
471f4885 770
7480800e
MB		 771 region = kzalloc(sizeof(*region), GFP_KERNEL);
772 if (!region)
773 return -ENOMEM;
774 region->type = WMFW_ADSP2_ZM;
775 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
776 region->base = be32_to_cpu(adsp2_alg[i].zm);
777 list_add_tail(&region->list, &dsp->alg_regions);
db40517c
MB		 778 break;
779 }
780 }
781
782out:
783 kfree(alg);
784 return ret;
785}
786
2159ad93
MB		 787static int wm_adsp_load_coeff(struct wm_adsp *dsp)
788{
cf17c83c 789 LIST_HEAD(buf_list);
2159ad93
MB		 790 struct regmap *regmap = dsp->regmap;
791 struct wmfw_coeff_hdr *hdr;
792 struct wmfw_coeff_item *blk;
793 const struct firmware *firmware;
471f4885
MB		 794 const struct wm_adsp_region *mem;
795 struct wm_adsp_alg_region *alg_region;
2159ad93
MB		 796 const char *region_name;
797 int ret, pos, blocks, type, offset, reg;
798 char *file;
cf17c83c 799 struct wm_adsp_buf *buf;
bdaacea3 800 int tmp;
2159ad93
MB		 801
802 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
803 if (file == NULL)
804 return -ENOMEM;
805
1023dbd9
MB		 806 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
807 wm_adsp_fw[dsp->fw].file);
2159ad93
MB		 808 file[PAGE_SIZE - 1] = '\0';
809
810 ret = request_firmware(&firmware, file, dsp->dev);
811 if (ret != 0) {
812 adsp_warn(dsp, "Failed to request '%s'\n", file);
813 ret = 0;
814 goto out;
815 }
816 ret = -EINVAL;
817
818 if (sizeof(*hdr) >= firmware->size) {
819 adsp_err(dsp, "%s: file too short, %zu bytes\n",
820 file, firmware->size);
821 goto out_fw;
822 }
823
824 hdr = (void*)&firmware->data[0];
825 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
826 adsp_err(dsp, "%s: invalid magic\n", file);
a4cdbec7 827 goto out_fw;
2159ad93
MB		 828 }
829
c712326d
MB		 830 switch (be32_to_cpu(hdr->rev) & 0xff) {
831 case 1:
832 break;
833 default:
834 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
835 file, be32_to_cpu(hdr->rev) & 0xff);
836 ret = -EINVAL;
837 goto out_fw;
838 }
839
2159ad93
MB		 840 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
841 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
842 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
843 le32_to_cpu(hdr->ver) & 0xff);
844
845 pos = le32_to_cpu(hdr->len);
846
847 blocks = 0;
848 while (pos < firmware->size &&
849 pos - firmware->size > sizeof(*blk)) {
850 blk = (void*)(&firmware->data[pos]);
851
c712326d
MB		 852 type = le16_to_cpu(blk->type);
853 offset = le16_to_cpu(blk->offset);
2159ad93
MB		 854
855 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
856 file, blocks, le32_to_cpu(blk->id),
857 (le32_to_cpu(blk->ver) >> 16) & 0xff,
858 (le32_to_cpu(blk->ver) >> 8) & 0xff,
859 le32_to_cpu(blk->ver) & 0xff);
860 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
861 file, blocks, le32_to_cpu(blk->len), offset, type);
862
863 reg = 0;
864 region_name = "Unknown";
865 switch (type) {
c712326d
MB		 866 case (WMFW_NAME_TEXT << 8):
867 case (WMFW_INFO_TEXT << 8):
2159ad93 868 break;
c712326d 869 case (WMFW_ABSOLUTE << 8):
f395a218
MB		 870 /*
871 * Old files may use this for global
872 * coefficients.
873 */
874 if (le32_to_cpu(blk->id) == dsp->fw_id &&
875 offset == 0) {
876 region_name = "global coefficients";
877 mem = wm_adsp_find_region(dsp, type);
878 if (!mem) {
879 adsp_err(dsp, "No ZM\n");
880 break;
881 }
882 reg = wm_adsp_region_to_reg(mem, 0);
883
884 } else {
885 region_name = "register";
886 reg = offset;
887 }
2159ad93 888 break;
471f4885
MB		 889
890 case WMFW_ADSP1_DM:
891 case WMFW_ADSP1_ZM:
892 case WMFW_ADSP2_XM:
893 case WMFW_ADSP2_YM:
894 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
895 file, blocks, le32_to_cpu(blk->len),
896 type, le32_to_cpu(blk->id));
897
898 mem = wm_adsp_find_region(dsp, type);
899 if (!mem) {
900 adsp_err(dsp, "No base for region %x\n", type);
901 break;
902 }
903
904 reg = 0;
905 list_for_each_entry(alg_region,
906 &dsp->alg_regions, list) {
907 if (le32_to_cpu(blk->id) == alg_region->alg &&
908 type == alg_region->type) {
338c5188 909 reg = alg_region->base;
471f4885
MB		 910 reg = wm_adsp_region_to_reg(mem,
911 reg);
338c5188 912 reg += offset;
471f4885
MB		 913 }
914 }
915
916 if (reg == 0)
917 adsp_err(dsp, "No %x for algorithm %x\n",
918 type, le32_to_cpu(blk->id));
919 break;
920
2159ad93 921 default:
25c62f7e
MB		 922 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
923 file, blocks, type, pos);
2159ad93
MB		 924 break;
925 }
926
927 if (reg) {
cf17c83c
MB		 928 buf = wm_adsp_buf_alloc(blk->data,
929 le32_to_cpu(blk->len),
930 &buf_list);
a76fefab
MB		 931 if (!buf) {
932 adsp_err(dsp, "Out of memory\n");
f4b82812
WY		 933 ret = -ENOMEM;
934 goto out_fw;
a76fefab
MB		 935 }
936
20da6d5a
MB		 937 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
938 file, blocks, le32_to_cpu(blk->len),
939 reg);
cf17c83c
MB		 940 ret = regmap_raw_write_async(regmap, reg, buf->buf,
941 le32_to_cpu(blk->len));
2159ad93
MB		 942 if (ret != 0) {
943 adsp_err(dsp,
944 "%s.%d: Failed to write to %x in %s\n",
945 file, blocks, reg, region_name);
946 }
947 }
948
bdaacea3
CR		 949 tmp = le32_to_cpu(blk->len) % 4;
950 if (tmp)
951 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
952 else
953 pos += le32_to_cpu(blk->len) + sizeof(*blk);
954
2159ad93
MB		 955 blocks++;
956 }
957
cf17c83c
MB		 958 ret = regmap_async_complete(regmap);
959 if (ret != 0)
960 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
961
2159ad93
MB		 962 if (pos > firmware->size)
963 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
964 file, blocks, pos - firmware->size);
965
966out_fw:
6633e461 967 regmap_async_complete(regmap);
2159ad93 968 release_firmware(firmware);
cf17c83c 969 wm_adsp_buf_free(&buf_list);
2159ad93
MB		 970out:
971 kfree(file);
f4b82812 972 return ret;
2159ad93
MB		 973}
974
5e7a7a22
MB		 975int wm_adsp1_init(struct wm_adsp *adsp)
976{
977 INIT_LIST_HEAD(&adsp->alg_regions);
978
979 return 0;
980}
981EXPORT_SYMBOL_GPL(wm_adsp1_init);
982
2159ad93
MB		 983int wm_adsp1_event(struct snd_soc_dapm_widget *w,
984 struct snd_kcontrol *kcontrol,
985 int event)
986{
987 struct snd_soc_codec *codec = w->codec;
988 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
989 struct wm_adsp *dsp = &dsps[w->shift];
990 int ret;
94e205bf 991 int val;
2159ad93
MB		 992
993 switch (event) {
994 case SND_SOC_DAPM_POST_PMU:
995 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
996 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
997
94e205bf
CR		 998 /*
999 * For simplicity set the DSP clock rate to be the
1000 * SYSCLK rate rather than making it configurable.
1001 */
1002 if(dsp->sysclk_reg) {
1003 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1004 if (ret != 0) {
1005 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1006 ret);
1007 return ret;
1008 }
1009
1010 val = (val & dsp->sysclk_mask)
1011 >> dsp->sysclk_shift;
1012
1013 ret = regmap_update_bits(dsp->regmap,
1014 dsp->base + ADSP1_CONTROL_31,
1015 ADSP1_CLK_SEL_MASK, val);
1016 if (ret != 0) {
1017 adsp_err(dsp, "Failed to set clock rate: %d\n",
1018 ret);
1019 return ret;
1020 }
1021 }
1022
2159ad93
MB		 1023 ret = wm_adsp_load(dsp);
1024 if (ret != 0)
1025 goto err;
1026
db40517c
MB		 1027 ret = wm_adsp_setup_algs(dsp);
1028 if (ret != 0)
1029 goto err;
1030
2159ad93
MB		 1031 ret = wm_adsp_load_coeff(dsp);
1032 if (ret != 0)
1033 goto err;
1034
1035 /* Start the core running */
1036 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1037 ADSP1_CORE_ENA | ADSP1_START,
1038 ADSP1_CORE_ENA | ADSP1_START);
1039 break;
1040
1041 case SND_SOC_DAPM_PRE_PMD:
1042 /* Halt the core */
1043 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1044 ADSP1_CORE_ENA | ADSP1_START, 0);
1045
1046 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
1047 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
1048
1049 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1050 ADSP1_SYS_ENA, 0);
1051 break;
1052
1053 default:
1054 break;
1055 }
1056
1057 return 0;
1058
1059err:
1060 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1061 ADSP1_SYS_ENA, 0);
1062 return ret;
1063}
1064EXPORT_SYMBOL_GPL(wm_adsp1_event);
1065
1066static int wm_adsp2_ena(struct wm_adsp *dsp)
1067{
1068 unsigned int val;
1069 int ret, count;
1070
1071 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1072 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
1073 if (ret != 0)
1074 return ret;
1075
1076 /* Wait for the RAM to start, should be near instantaneous */
5c8a5552 1077 for (count = 0; count < 10; ++count) {
2159ad93
MB		 1078 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
1079 &val);
1080 if (ret != 0)
1081 return ret;
5c8a5552
CK		 1082
1083 if (val & ADSP2_RAM_RDY)
1084 break;
1085
1086 msleep(1);
1087 }
2159ad93
MB		 1088
1089 if (!(val & ADSP2_RAM_RDY)) {
1090 adsp_err(dsp, "Failed to start DSP RAM\n");
1091 return -EBUSY;
1092 }
1093
1094 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
1095 adsp_info(dsp, "RAM ready after %d polls\n", count);
1096
1097 return 0;
1098}
1099
1100int wm_adsp2_event(struct snd_soc_dapm_widget *w,
1101 struct snd_kcontrol *kcontrol, int event)
1102{
1103 struct snd_soc_codec *codec = w->codec;
1104 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1105 struct wm_adsp *dsp = &dsps[w->shift];
471f4885 1106 struct wm_adsp_alg_region *alg_region;
973838a0 1107 unsigned int val;
2159ad93
MB		 1108 int ret;
1109
1110 switch (event) {
1111 case SND_SOC_DAPM_POST_PMU:
dd49e2c8
MB		 1112 /*
1113 * For simplicity set the DSP clock rate to be the
1114 * SYSCLK rate rather than making it configurable.
1115 */
1116 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
1117 if (ret != 0) {
1118 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1119 ret);
1120 return ret;
1121 }
1122 val = (val & ARIZONA_SYSCLK_FREQ_MASK)
1123 >> ARIZONA_SYSCLK_FREQ_SHIFT;
1124
1125 ret = regmap_update_bits(dsp->regmap,
1126 dsp->base + ADSP2_CLOCKING,
1127 ADSP2_CLK_SEL_MASK, val);
1128 if (ret != 0) {
1129 adsp_err(dsp, "Failed to set clock rate: %d\n",
1130 ret);
1131 return ret;
1132 }
1133
973838a0
MB		 1134 if (dsp->dvfs) {
1135 ret = regmap_read(dsp->regmap,
1136 dsp->base + ADSP2_CLOCKING, &val);
1137 if (ret != 0) {
1138 dev_err(dsp->dev,
1139 "Failed to read clocking: %d\n", ret);
1140 return ret;
1141 }
1142
25c6fdb0 1143 if ((val & ADSP2_CLK_SEL_MASK) >= 3) {
973838a0
MB		 1144 ret = regulator_enable(dsp->dvfs);
1145 if (ret != 0) {
1146 dev_err(dsp->dev,
1147 "Failed to enable supply: %d\n",
1148 ret);
1149 return ret;
1150 }
1151
1152 ret = regulator_set_voltage(dsp->dvfs,
1153 1800000,
1154 1800000);
1155 if (ret != 0) {
1156 dev_err(dsp->dev,
1157 "Failed to raise supply: %d\n",
1158 ret);
1159 return ret;
1160 }
1161 }
1162 }
1163
2159ad93
MB		 1164 ret = wm_adsp2_ena(dsp);
1165 if (ret != 0)
1166 return ret;
1167
1168 ret = wm_adsp_load(dsp);
1169 if (ret != 0)
1170 goto err;
1171
db40517c
MB		 1172 ret = wm_adsp_setup_algs(dsp);
1173 if (ret != 0)
1174 goto err;
1175
2159ad93
MB		 1176 ret = wm_adsp_load_coeff(dsp);
1177 if (ret != 0)
1178 goto err;
1179
1180 ret = regmap_update_bits(dsp->regmap,
1181 dsp->base + ADSP2_CONTROL,
a7f9be7e
MB		 1182 ADSP2_CORE_ENA | ADSP2_START,
1183 ADSP2_CORE_ENA | ADSP2_START);
2159ad93
MB		 1184 if (ret != 0)
1185 goto err;
1023dbd9
MB		 1186
1187 dsp->running = true;
2159ad93
MB		 1188 break;
1189
1190 case SND_SOC_DAPM_PRE_PMD:
1023dbd9
MB		 1191 dsp->running = false;
1192
2159ad93 1193 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
a7f9be7e
MB		 1194 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
1195 ADSP2_START, 0);
973838a0 1196
2d30b575
MB		 1197 /* Make sure DMAs are quiesced */
1198 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
1199 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
1200 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
1201
973838a0
MB		 1202 if (dsp->dvfs) {
1203 ret = regulator_set_voltage(dsp->dvfs, 1200000,
1204 1800000);
1205 if (ret != 0)
1206 dev_warn(dsp->dev,
1207 "Failed to lower supply: %d\n",
1208 ret);
1209
1210 ret = regulator_disable(dsp->dvfs);
1211 if (ret != 0)
1212 dev_err(dsp->dev,
1213 "Failed to enable supply: %d\n",
1214 ret);
1215 }
471f4885
MB		 1216
1217 while (!list_empty(&dsp->alg_regions)) {
1218 alg_region = list_first_entry(&dsp->alg_regions,
1219 struct wm_adsp_alg_region,
1220 list);
1221 list_del(&alg_region->list);
1222 kfree(alg_region);
1223 }
2159ad93
MB		 1224 break;
1225
1226 default:
1227 break;
1228 }
1229
1230 return 0;
1231err:
1232 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
a7f9be7e 1233 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
2159ad93
MB		 1234 return ret;
1235}
1236EXPORT_SYMBOL_GPL(wm_adsp2_event);
973838a0
MB		 1237
1238int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
1239{
1240 int ret;
1241
10a2b662
MB		 1242 /*
1243 * Disable the DSP memory by default when in reset for a small
1244 * power saving.
1245 */
1246 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL,
1247 ADSP2_MEM_ENA, 0);
1248 if (ret != 0) {
1249 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret);
1250 return ret;
1251 }
1252
471f4885
MB		 1253 INIT_LIST_HEAD(&adsp->alg_regions);
1254
973838a0
MB		 1255 if (dvfs) {
1256 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
1257 if (IS_ERR(adsp->dvfs)) {
1258 ret = PTR_ERR(adsp->dvfs);
1259 dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
1260 return ret;
1261 }
1262
1263 ret = regulator_enable(adsp->dvfs);
1264 if (ret != 0) {
1265 dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
1266 ret);
1267 return ret;
1268 }
1269
1270 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
1271 if (ret != 0) {
1272 dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
1273 ret);
1274 return ret;
1275 }
1276
1277 ret = regulator_disable(adsp->dvfs);
1278 if (ret != 0) {
1279 dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
1280 ret);
1281 return ret;
1282 }
1283 }
1284
1285 return 0;
1286}
1287EXPORT_SYMBOL_GPL(wm_adsp2_init);
f3327152
PD		 1288
1289MODULE_LICENSE("GPL v2");
kernel source for telekom puls (alcatel/mediatek)