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Merge branch 'for-4.1/sensor-hub' into for-linus
[deliverable/linux.git] / sound / soc / codecs / wm_adsp.c
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>
18 #include <linux/list.h>
19 #include <linux/pm.h>
20 #include <linux/pm_runtime.h>
21 #include <linux/regmap.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/slab.h>
24 #include <linux/vmalloc.h>
25 #include <linux/workqueue.h>
26 #include <sound/core.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/jack.h>
31 #include <sound/initval.h>
32 #include <sound/tlv.h>
33
34 #include <linux/mfd/arizona/registers.h>
35
36 #include "arizona.h"
37 #include "wm_adsp.h"
38
39 #define adsp_crit(_dsp, fmt, ...) \
40 dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
41 #define adsp_err(_dsp, fmt, ...) \
42 dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
43 #define adsp_warn(_dsp, fmt, ...) \
44 dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
45 #define adsp_info(_dsp, fmt, ...) \
46 dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
47 #define adsp_dbg(_dsp, fmt, ...) \
48 dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
49
50 #define ADSP1_CONTROL_1 0x00
51 #define ADSP1_CONTROL_2 0x02
52 #define ADSP1_CONTROL_3 0x03
53 #define ADSP1_CONTROL_4 0x04
54 #define ADSP1_CONTROL_5 0x06
55 #define ADSP1_CONTROL_6 0x07
56 #define ADSP1_CONTROL_7 0x08
57 #define ADSP1_CONTROL_8 0x09
58 #define ADSP1_CONTROL_9 0x0A
59 #define ADSP1_CONTROL_10 0x0B
60 #define ADSP1_CONTROL_11 0x0C
61 #define ADSP1_CONTROL_12 0x0D
62 #define ADSP1_CONTROL_13 0x0F
63 #define ADSP1_CONTROL_14 0x10
64 #define ADSP1_CONTROL_15 0x11
65 #define ADSP1_CONTROL_16 0x12
66 #define ADSP1_CONTROL_17 0x13
67 #define ADSP1_CONTROL_18 0x14
68 #define ADSP1_CONTROL_19 0x16
69 #define ADSP1_CONTROL_20 0x17
70 #define ADSP1_CONTROL_21 0x18
71 #define ADSP1_CONTROL_22 0x1A
72 #define ADSP1_CONTROL_23 0x1B
73 #define ADSP1_CONTROL_24 0x1C
74 #define ADSP1_CONTROL_25 0x1E
75 #define ADSP1_CONTROL_26 0x20
76 #define ADSP1_CONTROL_27 0x21
77 #define ADSP1_CONTROL_28 0x22
78 #define ADSP1_CONTROL_29 0x23
79 #define ADSP1_CONTROL_30 0x24
80 #define ADSP1_CONTROL_31 0x26
81
82 /*
83 * ADSP1 Control 19
84 */
85 #define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
86 #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
87 #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
88
89
90 /*
91 * ADSP1 Control 30
92 */
93 #define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */
94 #define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */
95 #define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */
96 #define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */
97 #define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
98 #define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
99 #define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
100 #define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
101 #define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
102 #define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
103 #define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
104 #define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
105 #define ADSP1_START 0x0001 /* DSP1_START */
106 #define ADSP1_START_MASK 0x0001 /* DSP1_START */
107 #define ADSP1_START_SHIFT 0 /* DSP1_START */
108 #define ADSP1_START_WIDTH 1 /* DSP1_START */
109
110 /*
111 * ADSP1 Control 31
112 */
113 #define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
114 #define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
115 #define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
116
117 #define ADSP2_CONTROL 0x0
118 #define ADSP2_CLOCKING 0x1
119 #define ADSP2_STATUS1 0x4
120 #define ADSP2_WDMA_CONFIG_1 0x30
121 #define ADSP2_WDMA_CONFIG_2 0x31
122 #define ADSP2_RDMA_CONFIG_1 0x34
123
124 /*
125 * ADSP2 Control
126 */
127
128 #define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */
129 #define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */
130 #define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */
131 #define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */
132 #define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
133 #define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
134 #define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
135 #define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
136 #define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
137 #define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
138 #define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
139 #define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
140 #define ADSP2_START 0x0001 /* DSP1_START */
141 #define ADSP2_START_MASK 0x0001 /* DSP1_START */
142 #define ADSP2_START_SHIFT 0 /* DSP1_START */
143 #define ADSP2_START_WIDTH 1 /* DSP1_START */
144
145 /*
146 * ADSP2 clocking
147 */
148 #define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
149 #define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
150 #define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
151
152 /*
153 * ADSP2 Status 1
154 */
155 #define ADSP2_RAM_RDY 0x0001
156 #define ADSP2_RAM_RDY_MASK 0x0001
157 #define ADSP2_RAM_RDY_SHIFT 0
158 #define ADSP2_RAM_RDY_WIDTH 1
159
160 struct wm_adsp_buf {
161 struct list_head list;
162 void *buf;
163 };
164
165 static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
166 struct list_head *list)
167 {
168 struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
169
170 if (buf == NULL)
171 return NULL;
172
173 buf->buf = vmalloc(len);
174 if (!buf->buf) {
175 vfree(buf);
176 return NULL;
177 }
178 memcpy(buf->buf, src, len);
179
180 if (list)
181 list_add_tail(&buf->list, list);
182
183 return buf;
184 }
185
186 static void wm_adsp_buf_free(struct list_head *list)
187 {
188 while (!list_empty(list)) {
189 struct wm_adsp_buf *buf = list_first_entry(list,
190 struct wm_adsp_buf,
191 list);
192 list_del(&buf->list);
193 vfree(buf->buf);
194 kfree(buf);
195 }
196 }
197
198 #define WM_ADSP_NUM_FW 4
199
200 #define WM_ADSP_FW_MBC_VSS 0
201 #define WM_ADSP_FW_TX 1
202 #define WM_ADSP_FW_TX_SPK 2
203 #define WM_ADSP_FW_RX_ANC 3
204
205 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
206 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS",
207 [WM_ADSP_FW_TX] = "Tx",
208 [WM_ADSP_FW_TX_SPK] = "Tx Speaker",
209 [WM_ADSP_FW_RX_ANC] = "Rx ANC",
210 };
211
212 static struct {
213 const char *file;
214 } wm_adsp_fw[WM_ADSP_NUM_FW] = {
215 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" },
216 [WM_ADSP_FW_TX] = { .file = "tx" },
217 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" },
218 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" },
219 };
220
221 struct wm_coeff_ctl_ops {
222 int (*xget)(struct snd_kcontrol *kcontrol,
223 struct snd_ctl_elem_value *ucontrol);
224 int (*xput)(struct snd_kcontrol *kcontrol,
225 struct snd_ctl_elem_value *ucontrol);
226 int (*xinfo)(struct snd_kcontrol *kcontrol,
227 struct snd_ctl_elem_info *uinfo);
228 };
229
230 struct wm_coeff_ctl {
231 const char *name;
232 struct wm_adsp_alg_region region;
233 struct wm_coeff_ctl_ops ops;
234 struct wm_adsp *adsp;
235 void *private;
236 unsigned int enabled:1;
237 struct list_head list;
238 void *cache;
239 size_t len;
240 unsigned int set:1;
241 struct snd_kcontrol *kcontrol;
242 };
243
244 static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
245 struct snd_ctl_elem_value *ucontrol)
246 {
247 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
248 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
249 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
250
251 ucontrol->value.integer.value[0] = adsp[e->shift_l].fw;
252
253 return 0;
254 }
255
256 static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
257 struct snd_ctl_elem_value *ucontrol)
258 {
259 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
260 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
261 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
262
263 if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw)
264 return 0;
265
266 if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW)
267 return -EINVAL;
268
269 if (adsp[e->shift_l].running)
270 return -EBUSY;
271
272 adsp[e->shift_l].fw = ucontrol->value.integer.value[0];
273
274 return 0;
275 }
276
277 static const struct soc_enum wm_adsp_fw_enum[] = {
278 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
279 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
280 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
281 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
282 };
283
284 const struct snd_kcontrol_new wm_adsp1_fw_controls[] = {
285 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
286 wm_adsp_fw_get, wm_adsp_fw_put),
287 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
288 wm_adsp_fw_get, wm_adsp_fw_put),
289 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
290 wm_adsp_fw_get, wm_adsp_fw_put),
291 };
292 EXPORT_SYMBOL_GPL(wm_adsp1_fw_controls);
293
294 #if IS_ENABLED(CONFIG_SND_SOC_ARIZONA)
295 static const struct soc_enum wm_adsp2_rate_enum[] = {
296 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1,
297 ARIZONA_DSP1_RATE_SHIFT, 0xf,
298 ARIZONA_RATE_ENUM_SIZE,
299 arizona_rate_text, arizona_rate_val),
300 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1,
301 ARIZONA_DSP1_RATE_SHIFT, 0xf,
302 ARIZONA_RATE_ENUM_SIZE,
303 arizona_rate_text, arizona_rate_val),
304 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
305 ARIZONA_DSP1_RATE_SHIFT, 0xf,
306 ARIZONA_RATE_ENUM_SIZE,
307 arizona_rate_text, arizona_rate_val),
308 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP4_CONTROL_1,
309 ARIZONA_DSP1_RATE_SHIFT, 0xf,
310 ARIZONA_RATE_ENUM_SIZE,
311 arizona_rate_text, arizona_rate_val),
312 };
313
314 const struct snd_kcontrol_new wm_adsp2_fw_controls[] = {
315 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
316 wm_adsp_fw_get, wm_adsp_fw_put),
317 SOC_ENUM("DSP1 Rate", wm_adsp2_rate_enum[0]),
318 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
319 wm_adsp_fw_get, wm_adsp_fw_put),
320 SOC_ENUM("DSP2 Rate", wm_adsp2_rate_enum[1]),
321 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
322 wm_adsp_fw_get, wm_adsp_fw_put),
323 SOC_ENUM("DSP3 Rate", wm_adsp2_rate_enum[2]),
324 SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
325 wm_adsp_fw_get, wm_adsp_fw_put),
326 SOC_ENUM("DSP4 Rate", wm_adsp2_rate_enum[3]),
327 };
328 EXPORT_SYMBOL_GPL(wm_adsp2_fw_controls);
329 #endif
330
331 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
332 int type)
333 {
334 int i;
335
336 for (i = 0; i < dsp->num_mems; i++)
337 if (dsp->mem[i].type == type)
338 return &dsp->mem[i];
339
340 return NULL;
341 }
342
343 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
344 unsigned int offset)
345 {
346 if (WARN_ON(!region))
347 return offset;
348 switch (region->type) {
349 case WMFW_ADSP1_PM:
350 return region->base + (offset * 3);
351 case WMFW_ADSP1_DM:
352 return region->base + (offset * 2);
353 case WMFW_ADSP2_XM:
354 return region->base + (offset * 2);
355 case WMFW_ADSP2_YM:
356 return region->base + (offset * 2);
357 case WMFW_ADSP1_ZM:
358 return region->base + (offset * 2);
359 default:
360 WARN(1, "Unknown memory region type");
361 return offset;
362 }
363 }
364
365 static int wm_coeff_info(struct snd_kcontrol *kcontrol,
366 struct snd_ctl_elem_info *uinfo)
367 {
368 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
369
370 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
371 uinfo->count = ctl->len;
372 return 0;
373 }
374
375 static int wm_coeff_write_control(struct snd_kcontrol *kcontrol,
376 const void *buf, size_t len)
377 {
378 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
379 struct wm_adsp_alg_region *region = &ctl->region;
380 const struct wm_adsp_region *mem;
381 struct wm_adsp *adsp = ctl->adsp;
382 void *scratch;
383 int ret;
384 unsigned int reg;
385
386 mem = wm_adsp_find_region(adsp, region->type);
387 if (!mem) {
388 adsp_err(adsp, "No base for region %x\n",
389 region->type);
390 return -EINVAL;
391 }
392
393 reg = ctl->region.base;
394 reg = wm_adsp_region_to_reg(mem, reg);
395
396 scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA);
397 if (!scratch)
398 return -ENOMEM;
399
400 ret = regmap_raw_write(adsp->regmap, reg, scratch,
401 ctl->len);
402 if (ret) {
403 adsp_err(adsp, "Failed to write %zu bytes to %x: %d\n",
404 ctl->len, reg, ret);
405 kfree(scratch);
406 return ret;
407 }
408 adsp_dbg(adsp, "Wrote %zu bytes to %x\n", ctl->len, reg);
409
410 kfree(scratch);
411
412 return 0;
413 }
414
415 static int wm_coeff_put(struct snd_kcontrol *kcontrol,
416 struct snd_ctl_elem_value *ucontrol)
417 {
418 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
419 char *p = ucontrol->value.bytes.data;
420
421 memcpy(ctl->cache, p, ctl->len);
422
423 if (!ctl->enabled) {
424 ctl->set = 1;
425 return 0;
426 }
427
428 return wm_coeff_write_control(kcontrol, p, ctl->len);
429 }
430
431 static int wm_coeff_read_control(struct snd_kcontrol *kcontrol,
432 void *buf, size_t len)
433 {
434 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
435 struct wm_adsp_alg_region *region = &ctl->region;
436 const struct wm_adsp_region *mem;
437 struct wm_adsp *adsp = ctl->adsp;
438 void *scratch;
439 int ret;
440 unsigned int reg;
441
442 mem = wm_adsp_find_region(adsp, region->type);
443 if (!mem) {
444 adsp_err(adsp, "No base for region %x\n",
445 region->type);
446 return -EINVAL;
447 }
448
449 reg = ctl->region.base;
450 reg = wm_adsp_region_to_reg(mem, reg);
451
452 scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA);
453 if (!scratch)
454 return -ENOMEM;
455
456 ret = regmap_raw_read(adsp->regmap, reg, scratch, ctl->len);
457 if (ret) {
458 adsp_err(adsp, "Failed to read %zu bytes from %x: %d\n",
459 ctl->len, reg, ret);
460 kfree(scratch);
461 return ret;
462 }
463 adsp_dbg(adsp, "Read %zu bytes from %x\n", ctl->len, reg);
464
465 memcpy(buf, scratch, ctl->len);
466 kfree(scratch);
467
468 return 0;
469 }
470
471 static int wm_coeff_get(struct snd_kcontrol *kcontrol,
472 struct snd_ctl_elem_value *ucontrol)
473 {
474 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
475 char *p = ucontrol->value.bytes.data;
476
477 memcpy(p, ctl->cache, ctl->len);
478 return 0;
479 }
480
481 struct wmfw_ctl_work {
482 struct wm_adsp *adsp;
483 struct wm_coeff_ctl *ctl;
484 struct work_struct work;
485 };
486
487 static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl)
488 {
489 struct snd_kcontrol_new *kcontrol;
490 int ret;
491
492 if (!ctl || !ctl->name)
493 return -EINVAL;
494
495 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
496 if (!kcontrol)
497 return -ENOMEM;
498 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
499
500 kcontrol->name = ctl->name;
501 kcontrol->info = wm_coeff_info;
502 kcontrol->get = wm_coeff_get;
503 kcontrol->put = wm_coeff_put;
504 kcontrol->private_value = (unsigned long)ctl;
505
506 ret = snd_soc_add_card_controls(adsp->card,
507 kcontrol, 1);
508 if (ret < 0)
509 goto err_kcontrol;
510
511 kfree(kcontrol);
512
513 ctl->kcontrol = snd_soc_card_get_kcontrol(adsp->card,
514 ctl->name);
515
516 list_add(&ctl->list, &adsp->ctl_list);
517 return 0;
518
519 err_kcontrol:
520 kfree(kcontrol);
521 return ret;
522 }
523
524 static int wm_adsp_load(struct wm_adsp *dsp)
525 {
526 LIST_HEAD(buf_list);
527 const struct firmware *firmware;
528 struct regmap *regmap = dsp->regmap;
529 unsigned int pos = 0;
530 const struct wmfw_header *header;
531 const struct wmfw_adsp1_sizes *adsp1_sizes;
532 const struct wmfw_adsp2_sizes *adsp2_sizes;
533 const struct wmfw_footer *footer;
534 const struct wmfw_region *region;
535 const struct wm_adsp_region *mem;
536 const char *region_name;
537 char *file, *text;
538 struct wm_adsp_buf *buf;
539 unsigned int reg;
540 int regions = 0;
541 int ret, offset, type, sizes;
542
543 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
544 if (file == NULL)
545 return -ENOMEM;
546
547 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
548 wm_adsp_fw[dsp->fw].file);
549 file[PAGE_SIZE - 1] = '\0';
550
551 ret = request_firmware(&firmware, file, dsp->dev);
552 if (ret != 0) {
553 adsp_err(dsp, "Failed to request '%s'\n", file);
554 goto out;
555 }
556 ret = -EINVAL;
557
558 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
559 if (pos >= firmware->size) {
560 adsp_err(dsp, "%s: file too short, %zu bytes\n",
561 file, firmware->size);
562 goto out_fw;
563 }
564
565 header = (void*)&firmware->data[0];
566
567 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
568 adsp_err(dsp, "%s: invalid magic\n", file);
569 goto out_fw;
570 }
571
572 if (header->ver != 0) {
573 adsp_err(dsp, "%s: unknown file format %d\n",
574 file, header->ver);
575 goto out_fw;
576 }
577 adsp_info(dsp, "Firmware version: %d\n", header->ver);
578
579 if (header->core != dsp->type) {
580 adsp_err(dsp, "%s: invalid core %d != %d\n",
581 file, header->core, dsp->type);
582 goto out_fw;
583 }
584
585 switch (dsp->type) {
586 case WMFW_ADSP1:
587 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
588 adsp1_sizes = (void *)&(header[1]);
589 footer = (void *)&(adsp1_sizes[1]);
590 sizes = sizeof(*adsp1_sizes);
591
592 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
593 file, le32_to_cpu(adsp1_sizes->dm),
594 le32_to_cpu(adsp1_sizes->pm),
595 le32_to_cpu(adsp1_sizes->zm));
596 break;
597
598 case WMFW_ADSP2:
599 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
600 adsp2_sizes = (void *)&(header[1]);
601 footer = (void *)&(adsp2_sizes[1]);
602 sizes = sizeof(*adsp2_sizes);
603
604 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
605 file, le32_to_cpu(adsp2_sizes->xm),
606 le32_to_cpu(adsp2_sizes->ym),
607 le32_to_cpu(adsp2_sizes->pm),
608 le32_to_cpu(adsp2_sizes->zm));
609 break;
610
611 default:
612 WARN(1, "Unknown DSP type");
613 goto out_fw;
614 }
615
616 if (le32_to_cpu(header->len) != sizeof(*header) +
617 sizes + sizeof(*footer)) {
618 adsp_err(dsp, "%s: unexpected header length %d\n",
619 file, le32_to_cpu(header->len));
620 goto out_fw;
621 }
622
623 adsp_dbg(dsp, "%s: timestamp %llu\n", file,
624 le64_to_cpu(footer->timestamp));
625
626 while (pos < firmware->size &&
627 pos - firmware->size > sizeof(*region)) {
628 region = (void *)&(firmware->data[pos]);
629 region_name = "Unknown";
630 reg = 0;
631 text = NULL;
632 offset = le32_to_cpu(region->offset) & 0xffffff;
633 type = be32_to_cpu(region->type) & 0xff;
634 mem = wm_adsp_find_region(dsp, type);
635
636 switch (type) {
637 case WMFW_NAME_TEXT:
638 region_name = "Firmware name";
639 text = kzalloc(le32_to_cpu(region->len) + 1,
640 GFP_KERNEL);
641 break;
642 case WMFW_INFO_TEXT:
643 region_name = "Information";
644 text = kzalloc(le32_to_cpu(region->len) + 1,
645 GFP_KERNEL);
646 break;
647 case WMFW_ABSOLUTE:
648 region_name = "Absolute";
649 reg = offset;
650 break;
651 case WMFW_ADSP1_PM:
652 region_name = "PM";
653 reg = wm_adsp_region_to_reg(mem, offset);
654 break;
655 case WMFW_ADSP1_DM:
656 region_name = "DM";
657 reg = wm_adsp_region_to_reg(mem, offset);
658 break;
659 case WMFW_ADSP2_XM:
660 region_name = "XM";
661 reg = wm_adsp_region_to_reg(mem, offset);
662 break;
663 case WMFW_ADSP2_YM:
664 region_name = "YM";
665 reg = wm_adsp_region_to_reg(mem, offset);
666 break;
667 case WMFW_ADSP1_ZM:
668 region_name = "ZM";
669 reg = wm_adsp_region_to_reg(mem, offset);
670 break;
671 default:
672 adsp_warn(dsp,
673 "%s.%d: Unknown region type %x at %d(%x)\n",
674 file, regions, type, pos, pos);
675 break;
676 }
677
678 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
679 regions, le32_to_cpu(region->len), offset,
680 region_name);
681
682 if (text) {
683 memcpy(text, region->data, le32_to_cpu(region->len));
684 adsp_info(dsp, "%s: %s\n", file, text);
685 kfree(text);
686 }
687
688 if (reg) {
689 buf = wm_adsp_buf_alloc(region->data,
690 le32_to_cpu(region->len),
691 &buf_list);
692 if (!buf) {
693 adsp_err(dsp, "Out of memory\n");
694 ret = -ENOMEM;
695 goto out_fw;
696 }
697
698 ret = regmap_raw_write_async(regmap, reg, buf->buf,
699 le32_to_cpu(region->len));
700 if (ret != 0) {
701 adsp_err(dsp,
702 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
703 file, regions,
704 le32_to_cpu(region->len), offset,
705 region_name, ret);
706 goto out_fw;
707 }
708 }
709
710 pos += le32_to_cpu(region->len) + sizeof(*region);
711 regions++;
712 }
713
714 ret = regmap_async_complete(regmap);
715 if (ret != 0) {
716 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
717 goto out_fw;
718 }
719
720 if (pos > firmware->size)
721 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
722 file, regions, pos - firmware->size);
723
724 out_fw:
725 regmap_async_complete(regmap);
726 wm_adsp_buf_free(&buf_list);
727 release_firmware(firmware);
728 out:
729 kfree(file);
730
731 return ret;
732 }
733
734 static int wm_coeff_init_control_caches(struct wm_adsp *adsp)
735 {
736 struct wm_coeff_ctl *ctl;
737 int ret;
738
739 list_for_each_entry(ctl, &adsp->ctl_list, list) {
740 if (!ctl->enabled || ctl->set)
741 continue;
742 ret = wm_coeff_read_control(ctl->kcontrol,
743 ctl->cache,
744 ctl->len);
745 if (ret < 0)
746 return ret;
747 }
748
749 return 0;
750 }
751
752 static int wm_coeff_sync_controls(struct wm_adsp *adsp)
753 {
754 struct wm_coeff_ctl *ctl;
755 int ret;
756
757 list_for_each_entry(ctl, &adsp->ctl_list, list) {
758 if (!ctl->enabled)
759 continue;
760 if (ctl->set) {
761 ret = wm_coeff_write_control(ctl->kcontrol,
762 ctl->cache,
763 ctl->len);
764 if (ret < 0)
765 return ret;
766 }
767 }
768
769 return 0;
770 }
771
772 static void wm_adsp_ctl_work(struct work_struct *work)
773 {
774 struct wmfw_ctl_work *ctl_work = container_of(work,
775 struct wmfw_ctl_work,
776 work);
777
778 wmfw_add_ctl(ctl_work->adsp, ctl_work->ctl);
779 kfree(ctl_work);
780 }
781
782 static int wm_adsp_create_control(struct wm_adsp *dsp,
783 const struct wm_adsp_alg_region *region)
784
785 {
786 struct wm_coeff_ctl *ctl;
787 struct wmfw_ctl_work *ctl_work;
788 char *name;
789 char *region_name;
790 int ret;
791
792 name = kmalloc(PAGE_SIZE, GFP_KERNEL);
793 if (!name)
794 return -ENOMEM;
795
796 switch (region->type) {
797 case WMFW_ADSP1_PM:
798 region_name = "PM";
799 break;
800 case WMFW_ADSP1_DM:
801 region_name = "DM";
802 break;
803 case WMFW_ADSP2_XM:
804 region_name = "XM";
805 break;
806 case WMFW_ADSP2_YM:
807 region_name = "YM";
808 break;
809 case WMFW_ADSP1_ZM:
810 region_name = "ZM";
811 break;
812 default:
813 ret = -EINVAL;
814 goto err_name;
815 }
816
817 snprintf(name, PAGE_SIZE, "DSP%d %s %x",
818 dsp->num, region_name, region->alg);
819
820 list_for_each_entry(ctl, &dsp->ctl_list,
821 list) {
822 if (!strcmp(ctl->name, name)) {
823 if (!ctl->enabled)
824 ctl->enabled = 1;
825 goto found;
826 }
827 }
828
829 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
830 if (!ctl) {
831 ret = -ENOMEM;
832 goto err_name;
833 }
834 ctl->region = *region;
835 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
836 if (!ctl->name) {
837 ret = -ENOMEM;
838 goto err_ctl;
839 }
840 ctl->enabled = 1;
841 ctl->set = 0;
842 ctl->ops.xget = wm_coeff_get;
843 ctl->ops.xput = wm_coeff_put;
844 ctl->adsp = dsp;
845
846 ctl->len = region->len;
847 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
848 if (!ctl->cache) {
849 ret = -ENOMEM;
850 goto err_ctl_name;
851 }
852
853 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
854 if (!ctl_work) {
855 ret = -ENOMEM;
856 goto err_ctl_cache;
857 }
858
859 ctl_work->adsp = dsp;
860 ctl_work->ctl = ctl;
861 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
862 schedule_work(&ctl_work->work);
863
864 found:
865 kfree(name);
866
867 return 0;
868
869 err_ctl_cache:
870 kfree(ctl->cache);
871 err_ctl_name:
872 kfree(ctl->name);
873 err_ctl:
874 kfree(ctl);
875 err_name:
876 kfree(name);
877 return ret;
878 }
879
880 static int wm_adsp_setup_algs(struct wm_adsp *dsp)
881 {
882 struct regmap *regmap = dsp->regmap;
883 struct wmfw_adsp1_id_hdr adsp1_id;
884 struct wmfw_adsp2_id_hdr adsp2_id;
885 struct wmfw_adsp1_alg_hdr *adsp1_alg;
886 struct wmfw_adsp2_alg_hdr *adsp2_alg;
887 void *alg, *buf;
888 struct wm_adsp_alg_region *region;
889 const struct wm_adsp_region *mem;
890 unsigned int pos, term;
891 size_t algs, buf_size;
892 __be32 val;
893 int i, ret;
894
895 switch (dsp->type) {
896 case WMFW_ADSP1:
897 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
898 break;
899 case WMFW_ADSP2:
900 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
901 break;
902 default:
903 mem = NULL;
904 break;
905 }
906
907 if (WARN_ON(!mem))
908 return -EINVAL;
909
910 switch (dsp->type) {
911 case WMFW_ADSP1:
912 ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
913 sizeof(adsp1_id));
914 if (ret != 0) {
915 adsp_err(dsp, "Failed to read algorithm info: %d\n",
916 ret);
917 return ret;
918 }
919
920 buf = &adsp1_id;
921 buf_size = sizeof(adsp1_id);
922
923 algs = be32_to_cpu(adsp1_id.algs);
924 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
925 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
926 dsp->fw_id,
927 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
928 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
929 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
930 algs);
931
932 region = kzalloc(sizeof(*region), GFP_KERNEL);
933 if (!region)
934 return -ENOMEM;
935 region->type = WMFW_ADSP1_ZM;
936 region->alg = be32_to_cpu(adsp1_id.fw.id);
937 region->base = be32_to_cpu(adsp1_id.zm);
938 list_add_tail(&region->list, &dsp->alg_regions);
939
940 region = kzalloc(sizeof(*region), GFP_KERNEL);
941 if (!region)
942 return -ENOMEM;
943 region->type = WMFW_ADSP1_DM;
944 region->alg = be32_to_cpu(adsp1_id.fw.id);
945 region->base = be32_to_cpu(adsp1_id.dm);
946 list_add_tail(&region->list, &dsp->alg_regions);
947
948 pos = sizeof(adsp1_id) / 2;
949 term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
950 break;
951
952 case WMFW_ADSP2:
953 ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
954 sizeof(adsp2_id));
955 if (ret != 0) {
956 adsp_err(dsp, "Failed to read algorithm info: %d\n",
957 ret);
958 return ret;
959 }
960
961 buf = &adsp2_id;
962 buf_size = sizeof(adsp2_id);
963
964 algs = be32_to_cpu(adsp2_id.algs);
965 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
966 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
967 dsp->fw_id,
968 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
969 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
970 be32_to_cpu(adsp2_id.fw.ver) & 0xff,
971 algs);
972
973 region = kzalloc(sizeof(*region), GFP_KERNEL);
974 if (!region)
975 return -ENOMEM;
976 region->type = WMFW_ADSP2_XM;
977 region->alg = be32_to_cpu(adsp2_id.fw.id);
978 region->base = be32_to_cpu(adsp2_id.xm);
979 list_add_tail(&region->list, &dsp->alg_regions);
980
981 region = kzalloc(sizeof(*region), GFP_KERNEL);
982 if (!region)
983 return -ENOMEM;
984 region->type = WMFW_ADSP2_YM;
985 region->alg = be32_to_cpu(adsp2_id.fw.id);
986 region->base = be32_to_cpu(adsp2_id.ym);
987 list_add_tail(&region->list, &dsp->alg_regions);
988
989 region = kzalloc(sizeof(*region), GFP_KERNEL);
990 if (!region)
991 return -ENOMEM;
992 region->type = WMFW_ADSP2_ZM;
993 region->alg = be32_to_cpu(adsp2_id.fw.id);
994 region->base = be32_to_cpu(adsp2_id.zm);
995 list_add_tail(&region->list, &dsp->alg_regions);
996
997 pos = sizeof(adsp2_id) / 2;
998 term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
999 break;
1000
1001 default:
1002 WARN(1, "Unknown DSP type");
1003 return -EINVAL;
1004 }
1005
1006 if (algs == 0) {
1007 adsp_err(dsp, "No algorithms\n");
1008 return -EINVAL;
1009 }
1010
1011 if (algs > 1024) {
1012 adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
1013 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
1014 buf, buf_size);
1015 return -EINVAL;
1016 }
1017
1018 /* Read the terminator first to validate the length */
1019 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
1020 if (ret != 0) {
1021 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1022 ret);
1023 return ret;
1024 }
1025
1026 if (be32_to_cpu(val) != 0xbedead)
1027 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1028 term, be32_to_cpu(val));
1029
1030 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
1031 if (!alg)
1032 return -ENOMEM;
1033
1034 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
1035 if (ret != 0) {
1036 adsp_err(dsp, "Failed to read algorithm list: %d\n",
1037 ret);
1038 goto out;
1039 }
1040
1041 adsp1_alg = alg;
1042 adsp2_alg = alg;
1043
1044 for (i = 0; i < algs; i++) {
1045 switch (dsp->type) {
1046 case WMFW_ADSP1:
1047 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1048 i, be32_to_cpu(adsp1_alg[i].alg.id),
1049 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1050 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1051 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1052 be32_to_cpu(adsp1_alg[i].dm),
1053 be32_to_cpu(adsp1_alg[i].zm));
1054
1055 region = kzalloc(sizeof(*region), GFP_KERNEL);
1056 if (!region) {
1057 ret = -ENOMEM;
1058 goto out;
1059 }
1060 region->type = WMFW_ADSP1_DM;
1061 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1062 region->base = be32_to_cpu(adsp1_alg[i].dm);
1063 region->len = 0;
1064 list_add_tail(&region->list, &dsp->alg_regions);
1065 if (i + 1 < algs) {
1066 region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
1067 region->len -= be32_to_cpu(adsp1_alg[i].dm);
1068 region->len *= 4;
1069 wm_adsp_create_control(dsp, region);
1070 } else {
1071 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1072 be32_to_cpu(adsp1_alg[i].alg.id));
1073 }
1074
1075 region = kzalloc(sizeof(*region), GFP_KERNEL);
1076 if (!region) {
1077 ret = -ENOMEM;
1078 goto out;
1079 }
1080 region->type = WMFW_ADSP1_ZM;
1081 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1082 region->base = be32_to_cpu(adsp1_alg[i].zm);
1083 region->len = 0;
1084 list_add_tail(&region->list, &dsp->alg_regions);
1085 if (i + 1 < algs) {
1086 region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
1087 region->len -= be32_to_cpu(adsp1_alg[i].zm);
1088 region->len *= 4;
1089 wm_adsp_create_control(dsp, region);
1090 } else {
1091 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1092 be32_to_cpu(adsp1_alg[i].alg.id));
1093 }
1094 break;
1095
1096 case WMFW_ADSP2:
1097 adsp_info(dsp,
1098 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1099 i, be32_to_cpu(adsp2_alg[i].alg.id),
1100 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1101 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1102 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1103 be32_to_cpu(adsp2_alg[i].xm),
1104 be32_to_cpu(adsp2_alg[i].ym),
1105 be32_to_cpu(adsp2_alg[i].zm));
1106
1107 region = kzalloc(sizeof(*region), GFP_KERNEL);
1108 if (!region) {
1109 ret = -ENOMEM;
1110 goto out;
1111 }
1112 region->type = WMFW_ADSP2_XM;
1113 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1114 region->base = be32_to_cpu(adsp2_alg[i].xm);
1115 region->len = 0;
1116 list_add_tail(&region->list, &dsp->alg_regions);
1117 if (i + 1 < algs) {
1118 region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
1119 region->len -= be32_to_cpu(adsp2_alg[i].xm);
1120 region->len *= 4;
1121 wm_adsp_create_control(dsp, region);
1122 } else {
1123 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1124 be32_to_cpu(adsp2_alg[i].alg.id));
1125 }
1126
1127 region = kzalloc(sizeof(*region), GFP_KERNEL);
1128 if (!region) {
1129 ret = -ENOMEM;
1130 goto out;
1131 }
1132 region->type = WMFW_ADSP2_YM;
1133 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1134 region->base = be32_to_cpu(adsp2_alg[i].ym);
1135 region->len = 0;
1136 list_add_tail(&region->list, &dsp->alg_regions);
1137 if (i + 1 < algs) {
1138 region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
1139 region->len -= be32_to_cpu(adsp2_alg[i].ym);
1140 region->len *= 4;
1141 wm_adsp_create_control(dsp, region);
1142 } else {
1143 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1144 be32_to_cpu(adsp2_alg[i].alg.id));
1145 }
1146
1147 region = kzalloc(sizeof(*region), GFP_KERNEL);
1148 if (!region) {
1149 ret = -ENOMEM;
1150 goto out;
1151 }
1152 region->type = WMFW_ADSP2_ZM;
1153 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1154 region->base = be32_to_cpu(adsp2_alg[i].zm);
1155 region->len = 0;
1156 list_add_tail(&region->list, &dsp->alg_regions);
1157 if (i + 1 < algs) {
1158 region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
1159 region->len -= be32_to_cpu(adsp2_alg[i].zm);
1160 region->len *= 4;
1161 wm_adsp_create_control(dsp, region);
1162 } else {
1163 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1164 be32_to_cpu(adsp2_alg[i].alg.id));
1165 }
1166 break;
1167 }
1168 }
1169
1170 out:
1171 kfree(alg);
1172 return ret;
1173 }
1174
1175 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1176 {
1177 LIST_HEAD(buf_list);
1178 struct regmap *regmap = dsp->regmap;
1179 struct wmfw_coeff_hdr *hdr;
1180 struct wmfw_coeff_item *blk;
1181 const struct firmware *firmware;
1182 const struct wm_adsp_region *mem;
1183 struct wm_adsp_alg_region *alg_region;
1184 const char *region_name;
1185 int ret, pos, blocks, type, offset, reg;
1186 char *file;
1187 struct wm_adsp_buf *buf;
1188 int tmp;
1189
1190 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1191 if (file == NULL)
1192 return -ENOMEM;
1193
1194 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1195 wm_adsp_fw[dsp->fw].file);
1196 file[PAGE_SIZE - 1] = '\0';
1197
1198 ret = request_firmware(&firmware, file, dsp->dev);
1199 if (ret != 0) {
1200 adsp_warn(dsp, "Failed to request '%s'\n", file);
1201 ret = 0;
1202 goto out;
1203 }
1204 ret = -EINVAL;
1205
1206 if (sizeof(*hdr) >= firmware->size) {
1207 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1208 file, firmware->size);
1209 goto out_fw;
1210 }
1211
1212 hdr = (void*)&firmware->data[0];
1213 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1214 adsp_err(dsp, "%s: invalid magic\n", file);
1215 goto out_fw;
1216 }
1217
1218 switch (be32_to_cpu(hdr->rev) & 0xff) {
1219 case 1:
1220 break;
1221 default:
1222 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1223 file, be32_to_cpu(hdr->rev) & 0xff);
1224 ret = -EINVAL;
1225 goto out_fw;
1226 }
1227
1228 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1229 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1230 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
1231 le32_to_cpu(hdr->ver) & 0xff);
1232
1233 pos = le32_to_cpu(hdr->len);
1234
1235 blocks = 0;
1236 while (pos < firmware->size &&
1237 pos - firmware->size > sizeof(*blk)) {
1238 blk = (void*)(&firmware->data[pos]);
1239
1240 type = le16_to_cpu(blk->type);
1241 offset = le16_to_cpu(blk->offset);
1242
1243 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1244 file, blocks, le32_to_cpu(blk->id),
1245 (le32_to_cpu(blk->ver) >> 16) & 0xff,
1246 (le32_to_cpu(blk->ver) >> 8) & 0xff,
1247 le32_to_cpu(blk->ver) & 0xff);
1248 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1249 file, blocks, le32_to_cpu(blk->len), offset, type);
1250
1251 reg = 0;
1252 region_name = "Unknown";
1253 switch (type) {
1254 case (WMFW_NAME_TEXT << 8):
1255 case (WMFW_INFO_TEXT << 8):
1256 break;
1257 case (WMFW_ABSOLUTE << 8):
1258 /*
1259 * Old files may use this for global
1260 * coefficients.
1261 */
1262 if (le32_to_cpu(blk->id) == dsp->fw_id &&
1263 offset == 0) {
1264 region_name = "global coefficients";
1265 mem = wm_adsp_find_region(dsp, type);
1266 if (!mem) {
1267 adsp_err(dsp, "No ZM\n");
1268 break;
1269 }
1270 reg = wm_adsp_region_to_reg(mem, 0);
1271
1272 } else {
1273 region_name = "register";
1274 reg = offset;
1275 }
1276 break;
1277
1278 case WMFW_ADSP1_DM:
1279 case WMFW_ADSP1_ZM:
1280 case WMFW_ADSP2_XM:
1281 case WMFW_ADSP2_YM:
1282 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1283 file, blocks, le32_to_cpu(blk->len),
1284 type, le32_to_cpu(blk->id));
1285
1286 mem = wm_adsp_find_region(dsp, type);
1287 if (!mem) {
1288 adsp_err(dsp, "No base for region %x\n", type);
1289 break;
1290 }
1291
1292 reg = 0;
1293 list_for_each_entry(alg_region,
1294 &dsp->alg_regions, list) {
1295 if (le32_to_cpu(blk->id) == alg_region->alg &&
1296 type == alg_region->type) {
1297 reg = alg_region->base;
1298 reg = wm_adsp_region_to_reg(mem,
1299 reg);
1300 reg += offset;
1301 break;
1302 }
1303 }
1304
1305 if (reg == 0)
1306 adsp_err(dsp, "No %x for algorithm %x\n",
1307 type, le32_to_cpu(blk->id));
1308 break;
1309
1310 default:
1311 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1312 file, blocks, type, pos);
1313 break;
1314 }
1315
1316 if (reg) {
1317 buf = wm_adsp_buf_alloc(blk->data,
1318 le32_to_cpu(blk->len),
1319 &buf_list);
1320 if (!buf) {
1321 adsp_err(dsp, "Out of memory\n");
1322 ret = -ENOMEM;
1323 goto out_fw;
1324 }
1325
1326 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1327 file, blocks, le32_to_cpu(blk->len),
1328 reg);
1329 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1330 le32_to_cpu(blk->len));
1331 if (ret != 0) {
1332 adsp_err(dsp,
1333 "%s.%d: Failed to write to %x in %s: %d\n",
1334 file, blocks, reg, region_name, ret);
1335 }
1336 }
1337
1338 tmp = le32_to_cpu(blk->len) % 4;
1339 if (tmp)
1340 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
1341 else
1342 pos += le32_to_cpu(blk->len) + sizeof(*blk);
1343
1344 blocks++;
1345 }
1346
1347 ret = regmap_async_complete(regmap);
1348 if (ret != 0)
1349 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1350
1351 if (pos > firmware->size)
1352 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1353 file, blocks, pos - firmware->size);
1354
1355 out_fw:
1356 regmap_async_complete(regmap);
1357 release_firmware(firmware);
1358 wm_adsp_buf_free(&buf_list);
1359 out:
1360 kfree(file);
1361 return ret;
1362 }
1363
1364 int wm_adsp1_init(struct wm_adsp *adsp)
1365 {
1366 INIT_LIST_HEAD(&adsp->alg_regions);
1367
1368 return 0;
1369 }
1370 EXPORT_SYMBOL_GPL(wm_adsp1_init);
1371
1372 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1373 struct snd_kcontrol *kcontrol,
1374 int event)
1375 {
1376 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1377 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1378 struct wm_adsp *dsp = &dsps[w->shift];
1379 struct wm_adsp_alg_region *alg_region;
1380 struct wm_coeff_ctl *ctl;
1381 int ret;
1382 int val;
1383
1384 dsp->card = codec->component.card;
1385
1386 switch (event) {
1387 case SND_SOC_DAPM_POST_PMU:
1388 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1389 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
1390
1391 /*
1392 * For simplicity set the DSP clock rate to be the
1393 * SYSCLK rate rather than making it configurable.
1394 */
1395 if(dsp->sysclk_reg) {
1396 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1397 if (ret != 0) {
1398 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1399 ret);
1400 return ret;
1401 }
1402
1403 val = (val & dsp->sysclk_mask)
1404 >> dsp->sysclk_shift;
1405
1406 ret = regmap_update_bits(dsp->regmap,
1407 dsp->base + ADSP1_CONTROL_31,
1408 ADSP1_CLK_SEL_MASK, val);
1409 if (ret != 0) {
1410 adsp_err(dsp, "Failed to set clock rate: %d\n",
1411 ret);
1412 return ret;
1413 }
1414 }
1415
1416 ret = wm_adsp_load(dsp);
1417 if (ret != 0)
1418 goto err;
1419
1420 ret = wm_adsp_setup_algs(dsp);
1421 if (ret != 0)
1422 goto err;
1423
1424 ret = wm_adsp_load_coeff(dsp);
1425 if (ret != 0)
1426 goto err;
1427
1428 /* Initialize caches for enabled and unset controls */
1429 ret = wm_coeff_init_control_caches(dsp);
1430 if (ret != 0)
1431 goto err;
1432
1433 /* Sync set controls */
1434 ret = wm_coeff_sync_controls(dsp);
1435 if (ret != 0)
1436 goto err;
1437
1438 /* Start the core running */
1439 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1440 ADSP1_CORE_ENA | ADSP1_START,
1441 ADSP1_CORE_ENA | ADSP1_START);
1442 break;
1443
1444 case SND_SOC_DAPM_PRE_PMD:
1445 /* Halt the core */
1446 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1447 ADSP1_CORE_ENA | ADSP1_START, 0);
1448
1449 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
1450 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
1451
1452 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1453 ADSP1_SYS_ENA, 0);
1454
1455 list_for_each_entry(ctl, &dsp->ctl_list, list)
1456 ctl->enabled = 0;
1457
1458 while (!list_empty(&dsp->alg_regions)) {
1459 alg_region = list_first_entry(&dsp->alg_regions,
1460 struct wm_adsp_alg_region,
1461 list);
1462 list_del(&alg_region->list);
1463 kfree(alg_region);
1464 }
1465 break;
1466
1467 default:
1468 break;
1469 }
1470
1471 return 0;
1472
1473 err:
1474 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1475 ADSP1_SYS_ENA, 0);
1476 return ret;
1477 }
1478 EXPORT_SYMBOL_GPL(wm_adsp1_event);
1479
1480 static int wm_adsp2_ena(struct wm_adsp *dsp)
1481 {
1482 unsigned int val;
1483 int ret, count;
1484
1485 ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
1486 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
1487 if (ret != 0)
1488 return ret;
1489
1490 /* Wait for the RAM to start, should be near instantaneous */
1491 for (count = 0; count < 10; ++count) {
1492 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
1493 &val);
1494 if (ret != 0)
1495 return ret;
1496
1497 if (val & ADSP2_RAM_RDY)
1498 break;
1499
1500 msleep(1);
1501 }
1502
1503 if (!(val & ADSP2_RAM_RDY)) {
1504 adsp_err(dsp, "Failed to start DSP RAM\n");
1505 return -EBUSY;
1506 }
1507
1508 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
1509
1510 return 0;
1511 }
1512
1513 static void wm_adsp2_boot_work(struct work_struct *work)
1514 {
1515 struct wm_adsp *dsp = container_of(work,
1516 struct wm_adsp,
1517 boot_work);
1518 int ret;
1519 unsigned int val;
1520
1521 /*
1522 * For simplicity set the DSP clock rate to be the
1523 * SYSCLK rate rather than making it configurable.
1524 */
1525 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
1526 if (ret != 0) {
1527 adsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret);
1528 return;
1529 }
1530 val = (val & ARIZONA_SYSCLK_FREQ_MASK)
1531 >> ARIZONA_SYSCLK_FREQ_SHIFT;
1532
1533 ret = regmap_update_bits_async(dsp->regmap,
1534 dsp->base + ADSP2_CLOCKING,
1535 ADSP2_CLK_SEL_MASK, val);
1536 if (ret != 0) {
1537 adsp_err(dsp, "Failed to set clock rate: %d\n", ret);
1538 return;
1539 }
1540
1541 if (dsp->dvfs) {
1542 ret = regmap_read(dsp->regmap,
1543 dsp->base + ADSP2_CLOCKING, &val);
1544 if (ret != 0) {
1545 adsp_err(dsp, "Failed to read clocking: %d\n", ret);
1546 return;
1547 }
1548
1549 if ((val & ADSP2_CLK_SEL_MASK) >= 3) {
1550 ret = regulator_enable(dsp->dvfs);
1551 if (ret != 0) {
1552 adsp_err(dsp,
1553 "Failed to enable supply: %d\n",
1554 ret);
1555 return;
1556 }
1557
1558 ret = regulator_set_voltage(dsp->dvfs,
1559 1800000,
1560 1800000);
1561 if (ret != 0) {
1562 adsp_err(dsp,
1563 "Failed to raise supply: %d\n",
1564 ret);
1565 return;
1566 }
1567 }
1568 }
1569
1570 ret = wm_adsp2_ena(dsp);
1571 if (ret != 0)
1572 return;
1573
1574 ret = wm_adsp_load(dsp);
1575 if (ret != 0)
1576 goto err;
1577
1578 ret = wm_adsp_setup_algs(dsp);
1579 if (ret != 0)
1580 goto err;
1581
1582 ret = wm_adsp_load_coeff(dsp);
1583 if (ret != 0)
1584 goto err;
1585
1586 /* Initialize caches for enabled and unset controls */
1587 ret = wm_coeff_init_control_caches(dsp);
1588 if (ret != 0)
1589 goto err;
1590
1591 /* Sync set controls */
1592 ret = wm_coeff_sync_controls(dsp);
1593 if (ret != 0)
1594 goto err;
1595
1596 dsp->running = true;
1597
1598 return;
1599
1600 err:
1601 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1602 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1603 }
1604
1605 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
1606 struct snd_kcontrol *kcontrol, int event)
1607 {
1608 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1609 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1610 struct wm_adsp *dsp = &dsps[w->shift];
1611
1612 dsp->card = codec->component.card;
1613
1614 switch (event) {
1615 case SND_SOC_DAPM_PRE_PMU:
1616 queue_work(system_unbound_wq, &dsp->boot_work);
1617 break;
1618 default:
1619 break;
1620 }
1621
1622 return 0;
1623 }
1624 EXPORT_SYMBOL_GPL(wm_adsp2_early_event);
1625
1626 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
1627 struct snd_kcontrol *kcontrol, int event)
1628 {
1629 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1630 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1631 struct wm_adsp *dsp = &dsps[w->shift];
1632 struct wm_adsp_alg_region *alg_region;
1633 struct wm_coeff_ctl *ctl;
1634 int ret;
1635
1636 switch (event) {
1637 case SND_SOC_DAPM_POST_PMU:
1638 flush_work(&dsp->boot_work);
1639
1640 if (!dsp->running)
1641 return -EIO;
1642
1643 ret = regmap_update_bits(dsp->regmap,
1644 dsp->base + ADSP2_CONTROL,
1645 ADSP2_CORE_ENA | ADSP2_START,
1646 ADSP2_CORE_ENA | ADSP2_START);
1647 if (ret != 0)
1648 goto err;
1649 break;
1650
1651 case SND_SOC_DAPM_PRE_PMD:
1652 dsp->running = false;
1653
1654 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1655 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
1656 ADSP2_START, 0);
1657
1658 /* Make sure DMAs are quiesced */
1659 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
1660 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
1661 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
1662
1663 if (dsp->dvfs) {
1664 ret = regulator_set_voltage(dsp->dvfs, 1200000,
1665 1800000);
1666 if (ret != 0)
1667 adsp_warn(dsp,
1668 "Failed to lower supply: %d\n",
1669 ret);
1670
1671 ret = regulator_disable(dsp->dvfs);
1672 if (ret != 0)
1673 adsp_err(dsp,
1674 "Failed to enable supply: %d\n",
1675 ret);
1676 }
1677
1678 list_for_each_entry(ctl, &dsp->ctl_list, list)
1679 ctl->enabled = 0;
1680
1681 while (!list_empty(&dsp->alg_regions)) {
1682 alg_region = list_first_entry(&dsp->alg_regions,
1683 struct wm_adsp_alg_region,
1684 list);
1685 list_del(&alg_region->list);
1686 kfree(alg_region);
1687 }
1688
1689 adsp_dbg(dsp, "Shutdown complete\n");
1690 break;
1691
1692 default:
1693 break;
1694 }
1695
1696 return 0;
1697 err:
1698 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1699 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1700 return ret;
1701 }
1702 EXPORT_SYMBOL_GPL(wm_adsp2_event);
1703
1704 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
1705 {
1706 int ret;
1707
1708 /*
1709 * Disable the DSP memory by default when in reset for a small
1710 * power saving.
1711 */
1712 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL,
1713 ADSP2_MEM_ENA, 0);
1714 if (ret != 0) {
1715 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret);
1716 return ret;
1717 }
1718
1719 INIT_LIST_HEAD(&adsp->alg_regions);
1720 INIT_LIST_HEAD(&adsp->ctl_list);
1721 INIT_WORK(&adsp->boot_work, wm_adsp2_boot_work);
1722
1723 if (dvfs) {
1724 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
1725 if (IS_ERR(adsp->dvfs)) {
1726 ret = PTR_ERR(adsp->dvfs);
1727 adsp_err(adsp, "Failed to get DCVDD: %d\n", ret);
1728 return ret;
1729 }
1730
1731 ret = regulator_enable(adsp->dvfs);
1732 if (ret != 0) {
1733 adsp_err(adsp, "Failed to enable DCVDD: %d\n", ret);
1734 return ret;
1735 }
1736
1737 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
1738 if (ret != 0) {
1739 adsp_err(adsp, "Failed to initialise DVFS: %d\n", ret);
1740 return ret;
1741 }
1742
1743 ret = regulator_disable(adsp->dvfs);
1744 if (ret != 0) {
1745 adsp_err(adsp, "Failed to disable DCVDD: %d\n", ret);
1746 return ret;
1747 }
1748 }
1749
1750 return 0;
1751 }
1752 EXPORT_SYMBOL_GPL(wm_adsp2_init);
1753
1754 MODULE_LICENSE("GPL v2");
Linux kernel - Deliverables
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