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Merge tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd
[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/workqueue.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
29 #include <sound/jack.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32
33 #include <linux/mfd/arizona/registers.h>
34
35 #include "arizona.h"
36 #include "wm_adsp.h"
37
38 #define adsp_crit(_dsp, fmt, ...) \
39 dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
40 #define adsp_err(_dsp, fmt, ...) \
41 dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
42 #define adsp_warn(_dsp, fmt, ...) \
43 dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
44 #define adsp_info(_dsp, fmt, ...) \
45 dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
46 #define adsp_dbg(_dsp, fmt, ...) \
47 dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
48
49 #define ADSP1_CONTROL_1 0x00
50 #define ADSP1_CONTROL_2 0x02
51 #define ADSP1_CONTROL_3 0x03
52 #define ADSP1_CONTROL_4 0x04
53 #define ADSP1_CONTROL_5 0x06
54 #define ADSP1_CONTROL_6 0x07
55 #define ADSP1_CONTROL_7 0x08
56 #define ADSP1_CONTROL_8 0x09
57 #define ADSP1_CONTROL_9 0x0A
58 #define ADSP1_CONTROL_10 0x0B
59 #define ADSP1_CONTROL_11 0x0C
60 #define ADSP1_CONTROL_12 0x0D
61 #define ADSP1_CONTROL_13 0x0F
62 #define ADSP1_CONTROL_14 0x10
63 #define ADSP1_CONTROL_15 0x11
64 #define ADSP1_CONTROL_16 0x12
65 #define ADSP1_CONTROL_17 0x13
66 #define ADSP1_CONTROL_18 0x14
67 #define ADSP1_CONTROL_19 0x16
68 #define ADSP1_CONTROL_20 0x17
69 #define ADSP1_CONTROL_21 0x18
70 #define ADSP1_CONTROL_22 0x1A
71 #define ADSP1_CONTROL_23 0x1B
72 #define ADSP1_CONTROL_24 0x1C
73 #define ADSP1_CONTROL_25 0x1E
74 #define ADSP1_CONTROL_26 0x20
75 #define ADSP1_CONTROL_27 0x21
76 #define ADSP1_CONTROL_28 0x22
77 #define ADSP1_CONTROL_29 0x23
78 #define ADSP1_CONTROL_30 0x24
79 #define ADSP1_CONTROL_31 0x26
80
81 /*
82 * ADSP1 Control 19
83 */
84 #define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
85 #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
86 #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
87
88
89 /*
90 * ADSP1 Control 30
91 */
92 #define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */
93 #define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */
94 #define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */
95 #define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */
96 #define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
97 #define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
98 #define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
99 #define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
100 #define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
101 #define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
102 #define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
103 #define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
104 #define ADSP1_START 0x0001 /* DSP1_START */
105 #define ADSP1_START_MASK 0x0001 /* DSP1_START */
106 #define ADSP1_START_SHIFT 0 /* DSP1_START */
107 #define ADSP1_START_WIDTH 1 /* DSP1_START */
108
109 /*
110 * ADSP1 Control 31
111 */
112 #define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
113 #define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
114 #define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
115
116 #define ADSP2_CONTROL 0x0
117 #define ADSP2_CLOCKING 0x1
118 #define ADSP2_STATUS1 0x4
119 #define ADSP2_WDMA_CONFIG_1 0x30
120 #define ADSP2_WDMA_CONFIG_2 0x31
121 #define ADSP2_RDMA_CONFIG_1 0x34
122
123 /*
124 * ADSP2 Control
125 */
126
127 #define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */
128 #define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */
129 #define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */
130 #define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */
131 #define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
132 #define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
133 #define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
134 #define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
135 #define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
136 #define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
137 #define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
138 #define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
139 #define ADSP2_START 0x0001 /* DSP1_START */
140 #define ADSP2_START_MASK 0x0001 /* DSP1_START */
141 #define ADSP2_START_SHIFT 0 /* DSP1_START */
142 #define ADSP2_START_WIDTH 1 /* DSP1_START */
143
144 /*
145 * ADSP2 clocking
146 */
147 #define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
148 #define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
149 #define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
150
151 /*
152 * ADSP2 Status 1
153 */
154 #define ADSP2_RAM_RDY 0x0001
155 #define ADSP2_RAM_RDY_MASK 0x0001
156 #define ADSP2_RAM_RDY_SHIFT 0
157 #define ADSP2_RAM_RDY_WIDTH 1
158
159 struct wm_adsp_buf {
160 struct list_head list;
161 void *buf;
162 };
163
164 static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
165 struct list_head *list)
166 {
167 struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
168
169 if (buf == NULL)
170 return NULL;
171
172 buf->buf = kmemdup(src, len, GFP_KERNEL | GFP_DMA);
173 if (!buf->buf) {
174 kfree(buf);
175 return NULL;
176 }
177
178 if (list)
179 list_add_tail(&buf->list, list);
180
181 return buf;
182 }
183
184 static void wm_adsp_buf_free(struct list_head *list)
185 {
186 while (!list_empty(list)) {
187 struct wm_adsp_buf *buf = list_first_entry(list,
188 struct wm_adsp_buf,
189 list);
190 list_del(&buf->list);
191 kfree(buf->buf);
192 kfree(buf);
193 }
194 }
195
196 #define WM_ADSP_NUM_FW 4
197
198 #define WM_ADSP_FW_MBC_VSS 0
199 #define WM_ADSP_FW_TX 1
200 #define WM_ADSP_FW_TX_SPK 2
201 #define WM_ADSP_FW_RX_ANC 3
202
203 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
204 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS",
205 [WM_ADSP_FW_TX] = "Tx",
206 [WM_ADSP_FW_TX_SPK] = "Tx Speaker",
207 [WM_ADSP_FW_RX_ANC] = "Rx ANC",
208 };
209
210 static struct {
211 const char *file;
212 } wm_adsp_fw[WM_ADSP_NUM_FW] = {
213 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" },
214 [WM_ADSP_FW_TX] = { .file = "tx" },
215 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" },
216 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" },
217 };
218
219 struct wm_coeff_ctl_ops {
220 int (*xget)(struct snd_kcontrol *kcontrol,
221 struct snd_ctl_elem_value *ucontrol);
222 int (*xput)(struct snd_kcontrol *kcontrol,
223 struct snd_ctl_elem_value *ucontrol);
224 int (*xinfo)(struct snd_kcontrol *kcontrol,
225 struct snd_ctl_elem_info *uinfo);
226 };
227
228 struct wm_coeff_ctl {
229 const char *name;
230 struct wm_adsp_alg_region region;
231 struct wm_coeff_ctl_ops ops;
232 struct wm_adsp *adsp;
233 void *private;
234 unsigned int enabled:1;
235 struct list_head list;
236 void *cache;
237 size_t len;
238 unsigned int set:1;
239 struct snd_kcontrol *kcontrol;
240 };
241
242 static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
243 struct snd_ctl_elem_value *ucontrol)
244 {
245 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
246 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
247 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
248
249 ucontrol->value.integer.value[0] = adsp[e->shift_l].fw;
250
251 return 0;
252 }
253
254 static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
255 struct snd_ctl_elem_value *ucontrol)
256 {
257 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
258 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
259 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
260
261 if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw)
262 return 0;
263
264 if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW)
265 return -EINVAL;
266
267 if (adsp[e->shift_l].running)
268 return -EBUSY;
269
270 adsp[e->shift_l].fw = ucontrol->value.integer.value[0];
271
272 return 0;
273 }
274
275 static const struct soc_enum wm_adsp_fw_enum[] = {
276 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
277 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
278 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
279 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
280 };
281
282 const struct snd_kcontrol_new wm_adsp1_fw_controls[] = {
283 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
284 wm_adsp_fw_get, wm_adsp_fw_put),
285 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
286 wm_adsp_fw_get, wm_adsp_fw_put),
287 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
288 wm_adsp_fw_get, wm_adsp_fw_put),
289 };
290 EXPORT_SYMBOL_GPL(wm_adsp1_fw_controls);
291
292 #if IS_ENABLED(CONFIG_SND_SOC_ARIZONA)
293 static const struct soc_enum wm_adsp2_rate_enum[] = {
294 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1,
295 ARIZONA_DSP1_RATE_SHIFT, 0xf,
296 ARIZONA_RATE_ENUM_SIZE,
297 arizona_rate_text, arizona_rate_val),
298 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1,
299 ARIZONA_DSP1_RATE_SHIFT, 0xf,
300 ARIZONA_RATE_ENUM_SIZE,
301 arizona_rate_text, arizona_rate_val),
302 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
303 ARIZONA_DSP1_RATE_SHIFT, 0xf,
304 ARIZONA_RATE_ENUM_SIZE,
305 arizona_rate_text, arizona_rate_val),
306 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP4_CONTROL_1,
307 ARIZONA_DSP1_RATE_SHIFT, 0xf,
308 ARIZONA_RATE_ENUM_SIZE,
309 arizona_rate_text, arizona_rate_val),
310 };
311
312 const struct snd_kcontrol_new wm_adsp2_fw_controls[] = {
313 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
314 wm_adsp_fw_get, wm_adsp_fw_put),
315 SOC_ENUM("DSP1 Rate", wm_adsp2_rate_enum[0]),
316 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
317 wm_adsp_fw_get, wm_adsp_fw_put),
318 SOC_ENUM("DSP2 Rate", wm_adsp2_rate_enum[1]),
319 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
320 wm_adsp_fw_get, wm_adsp_fw_put),
321 SOC_ENUM("DSP3 Rate", wm_adsp2_rate_enum[2]),
322 SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
323 wm_adsp_fw_get, wm_adsp_fw_put),
324 SOC_ENUM("DSP4 Rate", wm_adsp2_rate_enum[3]),
325 };
326 EXPORT_SYMBOL_GPL(wm_adsp2_fw_controls);
327 #endif
328
329 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
330 int type)
331 {
332 int i;
333
334 for (i = 0; i < dsp->num_mems; i++)
335 if (dsp->mem[i].type == type)
336 return &dsp->mem[i];
337
338 return NULL;
339 }
340
341 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
342 unsigned int offset)
343 {
344 if (WARN_ON(!region))
345 return offset;
346 switch (region->type) {
347 case WMFW_ADSP1_PM:
348 return region->base + (offset * 3);
349 case WMFW_ADSP1_DM:
350 return region->base + (offset * 2);
351 case WMFW_ADSP2_XM:
352 return region->base + (offset * 2);
353 case WMFW_ADSP2_YM:
354 return region->base + (offset * 2);
355 case WMFW_ADSP1_ZM:
356 return region->base + (offset * 2);
357 default:
358 WARN(1, "Unknown memory region type");
359 return offset;
360 }
361 }
362
363 static int wm_coeff_info(struct snd_kcontrol *kcontrol,
364 struct snd_ctl_elem_info *uinfo)
365 {
366 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
367
368 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
369 uinfo->count = ctl->len;
370 return 0;
371 }
372
373 static int wm_coeff_write_control(struct snd_kcontrol *kcontrol,
374 const void *buf, size_t len)
375 {
376 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
377 struct wm_adsp_alg_region *region = &ctl->region;
378 const struct wm_adsp_region *mem;
379 struct wm_adsp *adsp = ctl->adsp;
380 void *scratch;
381 int ret;
382 unsigned int reg;
383
384 mem = wm_adsp_find_region(adsp, region->type);
385 if (!mem) {
386 adsp_err(adsp, "No base for region %x\n",
387 region->type);
388 return -EINVAL;
389 }
390
391 reg = ctl->region.base;
392 reg = wm_adsp_region_to_reg(mem, reg);
393
394 scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA);
395 if (!scratch)
396 return -ENOMEM;
397
398 ret = regmap_raw_write(adsp->regmap, reg, scratch,
399 ctl->len);
400 if (ret) {
401 adsp_err(adsp, "Failed to write %zu bytes to %x: %d\n",
402 ctl->len, reg, ret);
403 kfree(scratch);
404 return ret;
405 }
406 adsp_dbg(adsp, "Wrote %zu bytes to %x\n", ctl->len, reg);
407
408 kfree(scratch);
409
410 return 0;
411 }
412
413 static int wm_coeff_put(struct snd_kcontrol *kcontrol,
414 struct snd_ctl_elem_value *ucontrol)
415 {
416 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
417 char *p = ucontrol->value.bytes.data;
418
419 memcpy(ctl->cache, p, ctl->len);
420
421 if (!ctl->enabled) {
422 ctl->set = 1;
423 return 0;
424 }
425
426 return wm_coeff_write_control(kcontrol, p, ctl->len);
427 }
428
429 static int wm_coeff_read_control(struct snd_kcontrol *kcontrol,
430 void *buf, size_t len)
431 {
432 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
433 struct wm_adsp_alg_region *region = &ctl->region;
434 const struct wm_adsp_region *mem;
435 struct wm_adsp *adsp = ctl->adsp;
436 void *scratch;
437 int ret;
438 unsigned int reg;
439
440 mem = wm_adsp_find_region(adsp, region->type);
441 if (!mem) {
442 adsp_err(adsp, "No base for region %x\n",
443 region->type);
444 return -EINVAL;
445 }
446
447 reg = ctl->region.base;
448 reg = wm_adsp_region_to_reg(mem, reg);
449
450 scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA);
451 if (!scratch)
452 return -ENOMEM;
453
454 ret = regmap_raw_read(adsp->regmap, reg, scratch, ctl->len);
455 if (ret) {
456 adsp_err(adsp, "Failed to read %zu bytes from %x: %d\n",
457 ctl->len, reg, ret);
458 kfree(scratch);
459 return ret;
460 }
461 adsp_dbg(adsp, "Read %zu bytes from %x\n", ctl->len, reg);
462
463 memcpy(buf, scratch, ctl->len);
464 kfree(scratch);
465
466 return 0;
467 }
468
469 static int wm_coeff_get(struct snd_kcontrol *kcontrol,
470 struct snd_ctl_elem_value *ucontrol)
471 {
472 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
473 char *p = ucontrol->value.bytes.data;
474
475 memcpy(p, ctl->cache, ctl->len);
476 return 0;
477 }
478
479 struct wmfw_ctl_work {
480 struct wm_adsp *adsp;
481 struct wm_coeff_ctl *ctl;
482 struct work_struct work;
483 };
484
485 static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl)
486 {
487 struct snd_kcontrol_new *kcontrol;
488 int ret;
489
490 if (!ctl || !ctl->name)
491 return -EINVAL;
492
493 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
494 if (!kcontrol)
495 return -ENOMEM;
496 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
497
498 kcontrol->name = ctl->name;
499 kcontrol->info = wm_coeff_info;
500 kcontrol->get = wm_coeff_get;
501 kcontrol->put = wm_coeff_put;
502 kcontrol->private_value = (unsigned long)ctl;
503
504 ret = snd_soc_add_card_controls(adsp->card,
505 kcontrol, 1);
506 if (ret < 0)
507 goto err_kcontrol;
508
509 kfree(kcontrol);
510
511 ctl->kcontrol = snd_soc_card_get_kcontrol(adsp->card,
512 ctl->name);
513
514 list_add(&ctl->list, &adsp->ctl_list);
515 return 0;
516
517 err_kcontrol:
518 kfree(kcontrol);
519 return ret;
520 }
521
522 static int wm_adsp_load(struct wm_adsp *dsp)
523 {
524 LIST_HEAD(buf_list);
525 const struct firmware *firmware;
526 struct regmap *regmap = dsp->regmap;
527 unsigned int pos = 0;
528 const struct wmfw_header *header;
529 const struct wmfw_adsp1_sizes *adsp1_sizes;
530 const struct wmfw_adsp2_sizes *adsp2_sizes;
531 const struct wmfw_footer *footer;
532 const struct wmfw_region *region;
533 const struct wm_adsp_region *mem;
534 const char *region_name;
535 char *file, *text;
536 struct wm_adsp_buf *buf;
537 unsigned int reg;
538 int regions = 0;
539 int ret, offset, type, sizes;
540
541 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
542 if (file == NULL)
543 return -ENOMEM;
544
545 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
546 wm_adsp_fw[dsp->fw].file);
547 file[PAGE_SIZE - 1] = '\0';
548
549 ret = request_firmware(&firmware, file, dsp->dev);
550 if (ret != 0) {
551 adsp_err(dsp, "Failed to request '%s'\n", file);
552 goto out;
553 }
554 ret = -EINVAL;
555
556 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
557 if (pos >= firmware->size) {
558 adsp_err(dsp, "%s: file too short, %zu bytes\n",
559 file, firmware->size);
560 goto out_fw;
561 }
562
563 header = (void*)&firmware->data[0];
564
565 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
566 adsp_err(dsp, "%s: invalid magic\n", file);
567 goto out_fw;
568 }
569
570 if (header->ver != 0) {
571 adsp_err(dsp, "%s: unknown file format %d\n",
572 file, header->ver);
573 goto out_fw;
574 }
575 adsp_info(dsp, "Firmware version: %d\n", header->ver);
576
577 if (header->core != dsp->type) {
578 adsp_err(dsp, "%s: invalid core %d != %d\n",
579 file, header->core, dsp->type);
580 goto out_fw;
581 }
582
583 switch (dsp->type) {
584 case WMFW_ADSP1:
585 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
586 adsp1_sizes = (void *)&(header[1]);
587 footer = (void *)&(adsp1_sizes[1]);
588 sizes = sizeof(*adsp1_sizes);
589
590 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
591 file, le32_to_cpu(adsp1_sizes->dm),
592 le32_to_cpu(adsp1_sizes->pm),
593 le32_to_cpu(adsp1_sizes->zm));
594 break;
595
596 case WMFW_ADSP2:
597 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
598 adsp2_sizes = (void *)&(header[1]);
599 footer = (void *)&(adsp2_sizes[1]);
600 sizes = sizeof(*adsp2_sizes);
601
602 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
603 file, le32_to_cpu(adsp2_sizes->xm),
604 le32_to_cpu(adsp2_sizes->ym),
605 le32_to_cpu(adsp2_sizes->pm),
606 le32_to_cpu(adsp2_sizes->zm));
607 break;
608
609 default:
610 WARN(1, "Unknown DSP type");
611 goto out_fw;
612 }
613
614 if (le32_to_cpu(header->len) != sizeof(*header) +
615 sizes + sizeof(*footer)) {
616 adsp_err(dsp, "%s: unexpected header length %d\n",
617 file, le32_to_cpu(header->len));
618 goto out_fw;
619 }
620
621 adsp_dbg(dsp, "%s: timestamp %llu\n", file,
622 le64_to_cpu(footer->timestamp));
623
624 while (pos < firmware->size &&
625 pos - firmware->size > sizeof(*region)) {
626 region = (void *)&(firmware->data[pos]);
627 region_name = "Unknown";
628 reg = 0;
629 text = NULL;
630 offset = le32_to_cpu(region->offset) & 0xffffff;
631 type = be32_to_cpu(region->type) & 0xff;
632 mem = wm_adsp_find_region(dsp, type);
633
634 switch (type) {
635 case WMFW_NAME_TEXT:
636 region_name = "Firmware name";
637 text = kzalloc(le32_to_cpu(region->len) + 1,
638 GFP_KERNEL);
639 break;
640 case WMFW_INFO_TEXT:
641 region_name = "Information";
642 text = kzalloc(le32_to_cpu(region->len) + 1,
643 GFP_KERNEL);
644 break;
645 case WMFW_ABSOLUTE:
646 region_name = "Absolute";
647 reg = offset;
648 break;
649 case WMFW_ADSP1_PM:
650 region_name = "PM";
651 reg = wm_adsp_region_to_reg(mem, offset);
652 break;
653 case WMFW_ADSP1_DM:
654 region_name = "DM";
655 reg = wm_adsp_region_to_reg(mem, offset);
656 break;
657 case WMFW_ADSP2_XM:
658 region_name = "XM";
659 reg = wm_adsp_region_to_reg(mem, offset);
660 break;
661 case WMFW_ADSP2_YM:
662 region_name = "YM";
663 reg = wm_adsp_region_to_reg(mem, offset);
664 break;
665 case WMFW_ADSP1_ZM:
666 region_name = "ZM";
667 reg = wm_adsp_region_to_reg(mem, offset);
668 break;
669 default:
670 adsp_warn(dsp,
671 "%s.%d: Unknown region type %x at %d(%x)\n",
672 file, regions, type, pos, pos);
673 break;
674 }
675
676 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
677 regions, le32_to_cpu(region->len), offset,
678 region_name);
679
680 if (text) {
681 memcpy(text, region->data, le32_to_cpu(region->len));
682 adsp_info(dsp, "%s: %s\n", file, text);
683 kfree(text);
684 }
685
686 if (reg) {
687 buf = wm_adsp_buf_alloc(region->data,
688 le32_to_cpu(region->len),
689 &buf_list);
690 if (!buf) {
691 adsp_err(dsp, "Out of memory\n");
692 ret = -ENOMEM;
693 goto out_fw;
694 }
695
696 ret = regmap_raw_write_async(regmap, reg, buf->buf,
697 le32_to_cpu(region->len));
698 if (ret != 0) {
699 adsp_err(dsp,
700 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
701 file, regions,
702 le32_to_cpu(region->len), offset,
703 region_name, ret);
704 goto out_fw;
705 }
706 }
707
708 pos += le32_to_cpu(region->len) + sizeof(*region);
709 regions++;
710 }
711
712 ret = regmap_async_complete(regmap);
713 if (ret != 0) {
714 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
715 goto out_fw;
716 }
717
718 if (pos > firmware->size)
719 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
720 file, regions, pos - firmware->size);
721
722 out_fw:
723 regmap_async_complete(regmap);
724 wm_adsp_buf_free(&buf_list);
725 release_firmware(firmware);
726 out:
727 kfree(file);
728
729 return ret;
730 }
731
732 static int wm_coeff_init_control_caches(struct wm_adsp *adsp)
733 {
734 struct wm_coeff_ctl *ctl;
735 int ret;
736
737 list_for_each_entry(ctl, &adsp->ctl_list, list) {
738 if (!ctl->enabled || ctl->set)
739 continue;
740 ret = wm_coeff_read_control(ctl->kcontrol,
741 ctl->cache,
742 ctl->len);
743 if (ret < 0)
744 return ret;
745 }
746
747 return 0;
748 }
749
750 static int wm_coeff_sync_controls(struct wm_adsp *adsp)
751 {
752 struct wm_coeff_ctl *ctl;
753 int ret;
754
755 list_for_each_entry(ctl, &adsp->ctl_list, list) {
756 if (!ctl->enabled)
757 continue;
758 if (ctl->set) {
759 ret = wm_coeff_write_control(ctl->kcontrol,
760 ctl->cache,
761 ctl->len);
762 if (ret < 0)
763 return ret;
764 }
765 }
766
767 return 0;
768 }
769
770 static void wm_adsp_ctl_work(struct work_struct *work)
771 {
772 struct wmfw_ctl_work *ctl_work = container_of(work,
773 struct wmfw_ctl_work,
774 work);
775
776 wmfw_add_ctl(ctl_work->adsp, ctl_work->ctl);
777 kfree(ctl_work);
778 }
779
780 static int wm_adsp_create_control(struct wm_adsp *dsp,
781 const struct wm_adsp_alg_region *region)
782
783 {
784 struct wm_coeff_ctl *ctl;
785 struct wmfw_ctl_work *ctl_work;
786 char *name;
787 char *region_name;
788 int ret;
789
790 name = kmalloc(PAGE_SIZE, GFP_KERNEL);
791 if (!name)
792 return -ENOMEM;
793
794 switch (region->type) {
795 case WMFW_ADSP1_PM:
796 region_name = "PM";
797 break;
798 case WMFW_ADSP1_DM:
799 region_name = "DM";
800 break;
801 case WMFW_ADSP2_XM:
802 region_name = "XM";
803 break;
804 case WMFW_ADSP2_YM:
805 region_name = "YM";
806 break;
807 case WMFW_ADSP1_ZM:
808 region_name = "ZM";
809 break;
810 default:
811 ret = -EINVAL;
812 goto err_name;
813 }
814
815 snprintf(name, PAGE_SIZE, "DSP%d %s %x",
816 dsp->num, region_name, region->alg);
817
818 list_for_each_entry(ctl, &dsp->ctl_list,
819 list) {
820 if (!strcmp(ctl->name, name)) {
821 if (!ctl->enabled)
822 ctl->enabled = 1;
823 goto found;
824 }
825 }
826
827 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
828 if (!ctl) {
829 ret = -ENOMEM;
830 goto err_name;
831 }
832 ctl->region = *region;
833 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
834 if (!ctl->name) {
835 ret = -ENOMEM;
836 goto err_ctl;
837 }
838 ctl->enabled = 1;
839 ctl->set = 0;
840 ctl->ops.xget = wm_coeff_get;
841 ctl->ops.xput = wm_coeff_put;
842 ctl->adsp = dsp;
843
844 ctl->len = region->len;
845 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
846 if (!ctl->cache) {
847 ret = -ENOMEM;
848 goto err_ctl_name;
849 }
850
851 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
852 if (!ctl_work) {
853 ret = -ENOMEM;
854 goto err_ctl_cache;
855 }
856
857 ctl_work->adsp = dsp;
858 ctl_work->ctl = ctl;
859 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
860 schedule_work(&ctl_work->work);
861
862 found:
863 kfree(name);
864
865 return 0;
866
867 err_ctl_cache:
868 kfree(ctl->cache);
869 err_ctl_name:
870 kfree(ctl->name);
871 err_ctl:
872 kfree(ctl);
873 err_name:
874 kfree(name);
875 return ret;
876 }
877
878 static int wm_adsp_setup_algs(struct wm_adsp *dsp)
879 {
880 struct regmap *regmap = dsp->regmap;
881 struct wmfw_adsp1_id_hdr adsp1_id;
882 struct wmfw_adsp2_id_hdr adsp2_id;
883 struct wmfw_adsp1_alg_hdr *adsp1_alg;
884 struct wmfw_adsp2_alg_hdr *adsp2_alg;
885 void *alg, *buf;
886 struct wm_adsp_alg_region *region;
887 const struct wm_adsp_region *mem;
888 unsigned int pos, term;
889 size_t algs, buf_size;
890 __be32 val;
891 int i, ret;
892
893 switch (dsp->type) {
894 case WMFW_ADSP1:
895 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
896 break;
897 case WMFW_ADSP2:
898 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
899 break;
900 default:
901 mem = NULL;
902 break;
903 }
904
905 if (WARN_ON(!mem))
906 return -EINVAL;
907
908 switch (dsp->type) {
909 case WMFW_ADSP1:
910 ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
911 sizeof(adsp1_id));
912 if (ret != 0) {
913 adsp_err(dsp, "Failed to read algorithm info: %d\n",
914 ret);
915 return ret;
916 }
917
918 buf = &adsp1_id;
919 buf_size = sizeof(adsp1_id);
920
921 algs = be32_to_cpu(adsp1_id.algs);
922 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
923 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
924 dsp->fw_id,
925 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
926 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
927 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
928 algs);
929
930 region = kzalloc(sizeof(*region), GFP_KERNEL);
931 if (!region)
932 return -ENOMEM;
933 region->type = WMFW_ADSP1_ZM;
934 region->alg = be32_to_cpu(adsp1_id.fw.id);
935 region->base = be32_to_cpu(adsp1_id.zm);
936 list_add_tail(&region->list, &dsp->alg_regions);
937
938 region = kzalloc(sizeof(*region), GFP_KERNEL);
939 if (!region)
940 return -ENOMEM;
941 region->type = WMFW_ADSP1_DM;
942 region->alg = be32_to_cpu(adsp1_id.fw.id);
943 region->base = be32_to_cpu(adsp1_id.dm);
944 list_add_tail(&region->list, &dsp->alg_regions);
945
946 pos = sizeof(adsp1_id) / 2;
947 term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
948 break;
949
950 case WMFW_ADSP2:
951 ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
952 sizeof(adsp2_id));
953 if (ret != 0) {
954 adsp_err(dsp, "Failed to read algorithm info: %d\n",
955 ret);
956 return ret;
957 }
958
959 buf = &adsp2_id;
960 buf_size = sizeof(adsp2_id);
961
962 algs = be32_to_cpu(adsp2_id.algs);
963 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
964 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
965 dsp->fw_id,
966 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
967 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
968 be32_to_cpu(adsp2_id.fw.ver) & 0xff,
969 algs);
970
971 region = kzalloc(sizeof(*region), GFP_KERNEL);
972 if (!region)
973 return -ENOMEM;
974 region->type = WMFW_ADSP2_XM;
975 region->alg = be32_to_cpu(adsp2_id.fw.id);
976 region->base = be32_to_cpu(adsp2_id.xm);
977 list_add_tail(&region->list, &dsp->alg_regions);
978
979 region = kzalloc(sizeof(*region), GFP_KERNEL);
980 if (!region)
981 return -ENOMEM;
982 region->type = WMFW_ADSP2_YM;
983 region->alg = be32_to_cpu(adsp2_id.fw.id);
984 region->base = be32_to_cpu(adsp2_id.ym);
985 list_add_tail(&region->list, &dsp->alg_regions);
986
987 region = kzalloc(sizeof(*region), GFP_KERNEL);
988 if (!region)
989 return -ENOMEM;
990 region->type = WMFW_ADSP2_ZM;
991 region->alg = be32_to_cpu(adsp2_id.fw.id);
992 region->base = be32_to_cpu(adsp2_id.zm);
993 list_add_tail(&region->list, &dsp->alg_regions);
994
995 pos = sizeof(adsp2_id) / 2;
996 term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
997 break;
998
999 default:
1000 WARN(1, "Unknown DSP type");
1001 return -EINVAL;
1002 }
1003
1004 if (algs == 0) {
1005 adsp_err(dsp, "No algorithms\n");
1006 return -EINVAL;
1007 }
1008
1009 if (algs > 1024) {
1010 adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
1011 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
1012 buf, buf_size);
1013 return -EINVAL;
1014 }
1015
1016 /* Read the terminator first to validate the length */
1017 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
1018 if (ret != 0) {
1019 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1020 ret);
1021 return ret;
1022 }
1023
1024 if (be32_to_cpu(val) != 0xbedead)
1025 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1026 term, be32_to_cpu(val));
1027
1028 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
1029 if (!alg)
1030 return -ENOMEM;
1031
1032 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
1033 if (ret != 0) {
1034 adsp_err(dsp, "Failed to read algorithm list: %d\n",
1035 ret);
1036 goto out;
1037 }
1038
1039 adsp1_alg = alg;
1040 adsp2_alg = alg;
1041
1042 for (i = 0; i < algs; i++) {
1043 switch (dsp->type) {
1044 case WMFW_ADSP1:
1045 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1046 i, be32_to_cpu(adsp1_alg[i].alg.id),
1047 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1048 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1049 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1050 be32_to_cpu(adsp1_alg[i].dm),
1051 be32_to_cpu(adsp1_alg[i].zm));
1052
1053 region = kzalloc(sizeof(*region), GFP_KERNEL);
1054 if (!region)
1055 return -ENOMEM;
1056 region->type = WMFW_ADSP1_DM;
1057 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1058 region->base = be32_to_cpu(adsp1_alg[i].dm);
1059 region->len = 0;
1060 list_add_tail(&region->list, &dsp->alg_regions);
1061 if (i + 1 < algs) {
1062 region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
1063 region->len -= be32_to_cpu(adsp1_alg[i].dm);
1064 region->len *= 4;
1065 wm_adsp_create_control(dsp, region);
1066 } else {
1067 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1068 be32_to_cpu(adsp1_alg[i].alg.id));
1069 }
1070
1071 region = kzalloc(sizeof(*region), GFP_KERNEL);
1072 if (!region)
1073 return -ENOMEM;
1074 region->type = WMFW_ADSP1_ZM;
1075 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1076 region->base = be32_to_cpu(adsp1_alg[i].zm);
1077 region->len = 0;
1078 list_add_tail(&region->list, &dsp->alg_regions);
1079 if (i + 1 < algs) {
1080 region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
1081 region->len -= be32_to_cpu(adsp1_alg[i].zm);
1082 region->len *= 4;
1083 wm_adsp_create_control(dsp, region);
1084 } else {
1085 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1086 be32_to_cpu(adsp1_alg[i].alg.id));
1087 }
1088 break;
1089
1090 case WMFW_ADSP2:
1091 adsp_info(dsp,
1092 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1093 i, be32_to_cpu(adsp2_alg[i].alg.id),
1094 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1095 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1096 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1097 be32_to_cpu(adsp2_alg[i].xm),
1098 be32_to_cpu(adsp2_alg[i].ym),
1099 be32_to_cpu(adsp2_alg[i].zm));
1100
1101 region = kzalloc(sizeof(*region), GFP_KERNEL);
1102 if (!region)
1103 return -ENOMEM;
1104 region->type = WMFW_ADSP2_XM;
1105 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1106 region->base = be32_to_cpu(adsp2_alg[i].xm);
1107 region->len = 0;
1108 list_add_tail(&region->list, &dsp->alg_regions);
1109 if (i + 1 < algs) {
1110 region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
1111 region->len -= be32_to_cpu(adsp2_alg[i].xm);
1112 region->len *= 4;
1113 wm_adsp_create_control(dsp, region);
1114 } else {
1115 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1116 be32_to_cpu(adsp2_alg[i].alg.id));
1117 }
1118
1119 region = kzalloc(sizeof(*region), GFP_KERNEL);
1120 if (!region)
1121 return -ENOMEM;
1122 region->type = WMFW_ADSP2_YM;
1123 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1124 region->base = be32_to_cpu(adsp2_alg[i].ym);
1125 region->len = 0;
1126 list_add_tail(&region->list, &dsp->alg_regions);
1127 if (i + 1 < algs) {
1128 region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
1129 region->len -= be32_to_cpu(adsp2_alg[i].ym);
1130 region->len *= 4;
1131 wm_adsp_create_control(dsp, region);
1132 } else {
1133 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1134 be32_to_cpu(adsp2_alg[i].alg.id));
1135 }
1136
1137 region = kzalloc(sizeof(*region), GFP_KERNEL);
1138 if (!region)
1139 return -ENOMEM;
1140 region->type = WMFW_ADSP2_ZM;
1141 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1142 region->base = be32_to_cpu(adsp2_alg[i].zm);
1143 region->len = 0;
1144 list_add_tail(&region->list, &dsp->alg_regions);
1145 if (i + 1 < algs) {
1146 region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
1147 region->len -= be32_to_cpu(adsp2_alg[i].zm);
1148 region->len *= 4;
1149 wm_adsp_create_control(dsp, region);
1150 } else {
1151 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1152 be32_to_cpu(adsp2_alg[i].alg.id));
1153 }
1154 break;
1155 }
1156 }
1157
1158 out:
1159 kfree(alg);
1160 return ret;
1161 }
1162
1163 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1164 {
1165 LIST_HEAD(buf_list);
1166 struct regmap *regmap = dsp->regmap;
1167 struct wmfw_coeff_hdr *hdr;
1168 struct wmfw_coeff_item *blk;
1169 const struct firmware *firmware;
1170 const struct wm_adsp_region *mem;
1171 struct wm_adsp_alg_region *alg_region;
1172 const char *region_name;
1173 int ret, pos, blocks, type, offset, reg;
1174 char *file;
1175 struct wm_adsp_buf *buf;
1176 int tmp;
1177
1178 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1179 if (file == NULL)
1180 return -ENOMEM;
1181
1182 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1183 wm_adsp_fw[dsp->fw].file);
1184 file[PAGE_SIZE - 1] = '\0';
1185
1186 ret = request_firmware(&firmware, file, dsp->dev);
1187 if (ret != 0) {
1188 adsp_warn(dsp, "Failed to request '%s'\n", file);
1189 ret = 0;
1190 goto out;
1191 }
1192 ret = -EINVAL;
1193
1194 if (sizeof(*hdr) >= firmware->size) {
1195 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1196 file, firmware->size);
1197 goto out_fw;
1198 }
1199
1200 hdr = (void*)&firmware->data[0];
1201 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1202 adsp_err(dsp, "%s: invalid magic\n", file);
1203 goto out_fw;
1204 }
1205
1206 switch (be32_to_cpu(hdr->rev) & 0xff) {
1207 case 1:
1208 break;
1209 default:
1210 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1211 file, be32_to_cpu(hdr->rev) & 0xff);
1212 ret = -EINVAL;
1213 goto out_fw;
1214 }
1215
1216 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1217 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1218 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
1219 le32_to_cpu(hdr->ver) & 0xff);
1220
1221 pos = le32_to_cpu(hdr->len);
1222
1223 blocks = 0;
1224 while (pos < firmware->size &&
1225 pos - firmware->size > sizeof(*blk)) {
1226 blk = (void*)(&firmware->data[pos]);
1227
1228 type = le16_to_cpu(blk->type);
1229 offset = le16_to_cpu(blk->offset);
1230
1231 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1232 file, blocks, le32_to_cpu(blk->id),
1233 (le32_to_cpu(blk->ver) >> 16) & 0xff,
1234 (le32_to_cpu(blk->ver) >> 8) & 0xff,
1235 le32_to_cpu(blk->ver) & 0xff);
1236 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1237 file, blocks, le32_to_cpu(blk->len), offset, type);
1238
1239 reg = 0;
1240 region_name = "Unknown";
1241 switch (type) {
1242 case (WMFW_NAME_TEXT << 8):
1243 case (WMFW_INFO_TEXT << 8):
1244 break;
1245 case (WMFW_ABSOLUTE << 8):
1246 /*
1247 * Old files may use this for global
1248 * coefficients.
1249 */
1250 if (le32_to_cpu(blk->id) == dsp->fw_id &&
1251 offset == 0) {
1252 region_name = "global coefficients";
1253 mem = wm_adsp_find_region(dsp, type);
1254 if (!mem) {
1255 adsp_err(dsp, "No ZM\n");
1256 break;
1257 }
1258 reg = wm_adsp_region_to_reg(mem, 0);
1259
1260 } else {
1261 region_name = "register";
1262 reg = offset;
1263 }
1264 break;
1265
1266 case WMFW_ADSP1_DM:
1267 case WMFW_ADSP1_ZM:
1268 case WMFW_ADSP2_XM:
1269 case WMFW_ADSP2_YM:
1270 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1271 file, blocks, le32_to_cpu(blk->len),
1272 type, le32_to_cpu(blk->id));
1273
1274 mem = wm_adsp_find_region(dsp, type);
1275 if (!mem) {
1276 adsp_err(dsp, "No base for region %x\n", type);
1277 break;
1278 }
1279
1280 reg = 0;
1281 list_for_each_entry(alg_region,
1282 &dsp->alg_regions, list) {
1283 if (le32_to_cpu(blk->id) == alg_region->alg &&
1284 type == alg_region->type) {
1285 reg = alg_region->base;
1286 reg = wm_adsp_region_to_reg(mem,
1287 reg);
1288 reg += offset;
1289 break;
1290 }
1291 }
1292
1293 if (reg == 0)
1294 adsp_err(dsp, "No %x for algorithm %x\n",
1295 type, le32_to_cpu(blk->id));
1296 break;
1297
1298 default:
1299 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1300 file, blocks, type, pos);
1301 break;
1302 }
1303
1304 if (reg) {
1305 buf = wm_adsp_buf_alloc(blk->data,
1306 le32_to_cpu(blk->len),
1307 &buf_list);
1308 if (!buf) {
1309 adsp_err(dsp, "Out of memory\n");
1310 ret = -ENOMEM;
1311 goto out_fw;
1312 }
1313
1314 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1315 file, blocks, le32_to_cpu(blk->len),
1316 reg);
1317 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1318 le32_to_cpu(blk->len));
1319 if (ret != 0) {
1320 adsp_err(dsp,
1321 "%s.%d: Failed to write to %x in %s: %d\n",
1322 file, blocks, reg, region_name, ret);
1323 }
1324 }
1325
1326 tmp = le32_to_cpu(blk->len) % 4;
1327 if (tmp)
1328 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
1329 else
1330 pos += le32_to_cpu(blk->len) + sizeof(*blk);
1331
1332 blocks++;
1333 }
1334
1335 ret = regmap_async_complete(regmap);
1336 if (ret != 0)
1337 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1338
1339 if (pos > firmware->size)
1340 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1341 file, blocks, pos - firmware->size);
1342
1343 out_fw:
1344 release_firmware(firmware);
1345 wm_adsp_buf_free(&buf_list);
1346 out:
1347 kfree(file);
1348 return ret;
1349 }
1350
1351 int wm_adsp1_init(struct wm_adsp *adsp)
1352 {
1353 INIT_LIST_HEAD(&adsp->alg_regions);
1354
1355 return 0;
1356 }
1357 EXPORT_SYMBOL_GPL(wm_adsp1_init);
1358
1359 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1360 struct snd_kcontrol *kcontrol,
1361 int event)
1362 {
1363 struct snd_soc_codec *codec = w->codec;
1364 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1365 struct wm_adsp *dsp = &dsps[w->shift];
1366 struct wm_adsp_alg_region *alg_region;
1367 struct wm_coeff_ctl *ctl;
1368 int ret;
1369 int val;
1370
1371 dsp->card = codec->card;
1372
1373 switch (event) {
1374 case SND_SOC_DAPM_POST_PMU:
1375 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1376 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
1377
1378 /*
1379 * For simplicity set the DSP clock rate to be the
1380 * SYSCLK rate rather than making it configurable.
1381 */
1382 if(dsp->sysclk_reg) {
1383 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1384 if (ret != 0) {
1385 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1386 ret);
1387 return ret;
1388 }
1389
1390 val = (val & dsp->sysclk_mask)
1391 >> dsp->sysclk_shift;
1392
1393 ret = regmap_update_bits(dsp->regmap,
1394 dsp->base + ADSP1_CONTROL_31,
1395 ADSP1_CLK_SEL_MASK, val);
1396 if (ret != 0) {
1397 adsp_err(dsp, "Failed to set clock rate: %d\n",
1398 ret);
1399 return ret;
1400 }
1401 }
1402
1403 ret = wm_adsp_load(dsp);
1404 if (ret != 0)
1405 goto err;
1406
1407 ret = wm_adsp_setup_algs(dsp);
1408 if (ret != 0)
1409 goto err;
1410
1411 ret = wm_adsp_load_coeff(dsp);
1412 if (ret != 0)
1413 goto err;
1414
1415 /* Initialize caches for enabled and unset controls */
1416 ret = wm_coeff_init_control_caches(dsp);
1417 if (ret != 0)
1418 goto err;
1419
1420 /* Sync set controls */
1421 ret = wm_coeff_sync_controls(dsp);
1422 if (ret != 0)
1423 goto err;
1424
1425 /* Start the core running */
1426 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1427 ADSP1_CORE_ENA | ADSP1_START,
1428 ADSP1_CORE_ENA | ADSP1_START);
1429 break;
1430
1431 case SND_SOC_DAPM_PRE_PMD:
1432 /* Halt the core */
1433 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1434 ADSP1_CORE_ENA | ADSP1_START, 0);
1435
1436 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
1437 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
1438
1439 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1440 ADSP1_SYS_ENA, 0);
1441
1442 list_for_each_entry(ctl, &dsp->ctl_list, list)
1443 ctl->enabled = 0;
1444
1445 while (!list_empty(&dsp->alg_regions)) {
1446 alg_region = list_first_entry(&dsp->alg_regions,
1447 struct wm_adsp_alg_region,
1448 list);
1449 list_del(&alg_region->list);
1450 kfree(alg_region);
1451 }
1452 break;
1453
1454 default:
1455 break;
1456 }
1457
1458 return 0;
1459
1460 err:
1461 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1462 ADSP1_SYS_ENA, 0);
1463 return ret;
1464 }
1465 EXPORT_SYMBOL_GPL(wm_adsp1_event);
1466
1467 static int wm_adsp2_ena(struct wm_adsp *dsp)
1468 {
1469 unsigned int val;
1470 int ret, count;
1471
1472 ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
1473 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
1474 if (ret != 0)
1475 return ret;
1476
1477 /* Wait for the RAM to start, should be near instantaneous */
1478 for (count = 0; count < 10; ++count) {
1479 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
1480 &val);
1481 if (ret != 0)
1482 return ret;
1483
1484 if (val & ADSP2_RAM_RDY)
1485 break;
1486
1487 msleep(1);
1488 }
1489
1490 if (!(val & ADSP2_RAM_RDY)) {
1491 adsp_err(dsp, "Failed to start DSP RAM\n");
1492 return -EBUSY;
1493 }
1494
1495 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
1496
1497 return 0;
1498 }
1499
1500 static void wm_adsp2_boot_work(struct work_struct *work)
1501 {
1502 struct wm_adsp *dsp = container_of(work,
1503 struct wm_adsp,
1504 boot_work);
1505 int ret;
1506 unsigned int val;
1507
1508 /*
1509 * For simplicity set the DSP clock rate to be the
1510 * SYSCLK rate rather than making it configurable.
1511 */
1512 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
1513 if (ret != 0) {
1514 adsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret);
1515 return;
1516 }
1517 val = (val & ARIZONA_SYSCLK_FREQ_MASK)
1518 >> ARIZONA_SYSCLK_FREQ_SHIFT;
1519
1520 ret = regmap_update_bits_async(dsp->regmap,
1521 dsp->base + ADSP2_CLOCKING,
1522 ADSP2_CLK_SEL_MASK, val);
1523 if (ret != 0) {
1524 adsp_err(dsp, "Failed to set clock rate: %d\n", ret);
1525 return;
1526 }
1527
1528 if (dsp->dvfs) {
1529 ret = regmap_read(dsp->regmap,
1530 dsp->base + ADSP2_CLOCKING, &val);
1531 if (ret != 0) {
1532 dev_err(dsp->dev, "Failed to read clocking: %d\n", ret);
1533 return;
1534 }
1535
1536 if ((val & ADSP2_CLK_SEL_MASK) >= 3) {
1537 ret = regulator_enable(dsp->dvfs);
1538 if (ret != 0) {
1539 dev_err(dsp->dev,
1540 "Failed to enable supply: %d\n",
1541 ret);
1542 return;
1543 }
1544
1545 ret = regulator_set_voltage(dsp->dvfs,
1546 1800000,
1547 1800000);
1548 if (ret != 0) {
1549 dev_err(dsp->dev,
1550 "Failed to raise supply: %d\n",
1551 ret);
1552 return;
1553 }
1554 }
1555 }
1556
1557 ret = wm_adsp2_ena(dsp);
1558 if (ret != 0)
1559 return;
1560
1561 ret = wm_adsp_load(dsp);
1562 if (ret != 0)
1563 goto err;
1564
1565 ret = wm_adsp_setup_algs(dsp);
1566 if (ret != 0)
1567 goto err;
1568
1569 ret = wm_adsp_load_coeff(dsp);
1570 if (ret != 0)
1571 goto err;
1572
1573 /* Initialize caches for enabled and unset controls */
1574 ret = wm_coeff_init_control_caches(dsp);
1575 if (ret != 0)
1576 goto err;
1577
1578 /* Sync set controls */
1579 ret = wm_coeff_sync_controls(dsp);
1580 if (ret != 0)
1581 goto err;
1582
1583 ret = regmap_update_bits_async(dsp->regmap,
1584 dsp->base + ADSP2_CONTROL,
1585 ADSP2_CORE_ENA,
1586 ADSP2_CORE_ENA);
1587 if (ret != 0)
1588 goto err;
1589
1590 dsp->running = true;
1591
1592 return;
1593
1594 err:
1595 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1596 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1597 }
1598
1599 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
1600 struct snd_kcontrol *kcontrol, int event)
1601 {
1602 struct snd_soc_codec *codec = w->codec;
1603 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1604 struct wm_adsp *dsp = &dsps[w->shift];
1605
1606 dsp->card = codec->card;
1607
1608 switch (event) {
1609 case SND_SOC_DAPM_PRE_PMU:
1610 queue_work(system_unbound_wq, &dsp->boot_work);
1611 break;
1612 default:
1613 break;
1614 };
1615
1616 return 0;
1617 }
1618 EXPORT_SYMBOL_GPL(wm_adsp2_early_event);
1619
1620 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
1621 struct snd_kcontrol *kcontrol, int event)
1622 {
1623 struct snd_soc_codec *codec = w->codec;
1624 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1625 struct wm_adsp *dsp = &dsps[w->shift];
1626 struct wm_adsp_alg_region *alg_region;
1627 struct wm_coeff_ctl *ctl;
1628 int ret;
1629
1630 switch (event) {
1631 case SND_SOC_DAPM_POST_PMU:
1632 flush_work(&dsp->boot_work);
1633
1634 if (!dsp->running)
1635 return -EIO;
1636
1637 ret = regmap_update_bits(dsp->regmap,
1638 dsp->base + ADSP2_CONTROL,
1639 ADSP2_START,
1640 ADSP2_START);
1641 if (ret != 0)
1642 goto err;
1643 break;
1644
1645 case SND_SOC_DAPM_PRE_PMD:
1646 dsp->running = false;
1647
1648 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1649 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
1650 ADSP2_START, 0);
1651
1652 /* Make sure DMAs are quiesced */
1653 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
1654 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
1655 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
1656
1657 if (dsp->dvfs) {
1658 ret = regulator_set_voltage(dsp->dvfs, 1200000,
1659 1800000);
1660 if (ret != 0)
1661 dev_warn(dsp->dev,
1662 "Failed to lower supply: %d\n",
1663 ret);
1664
1665 ret = regulator_disable(dsp->dvfs);
1666 if (ret != 0)
1667 dev_err(dsp->dev,
1668 "Failed to enable supply: %d\n",
1669 ret);
1670 }
1671
1672 list_for_each_entry(ctl, &dsp->ctl_list, list)
1673 ctl->enabled = 0;
1674
1675 while (!list_empty(&dsp->alg_regions)) {
1676 alg_region = list_first_entry(&dsp->alg_regions,
1677 struct wm_adsp_alg_region,
1678 list);
1679 list_del(&alg_region->list);
1680 kfree(alg_region);
1681 }
1682 break;
1683
1684 default:
1685 break;
1686 }
1687
1688 return 0;
1689 err:
1690 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1691 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1692 return ret;
1693 }
1694 EXPORT_SYMBOL_GPL(wm_adsp2_event);
1695
1696 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
1697 {
1698 int ret;
1699
1700 /*
1701 * Disable the DSP memory by default when in reset for a small
1702 * power saving.
1703 */
1704 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL,
1705 ADSP2_MEM_ENA, 0);
1706 if (ret != 0) {
1707 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret);
1708 return ret;
1709 }
1710
1711 INIT_LIST_HEAD(&adsp->alg_regions);
1712 INIT_LIST_HEAD(&adsp->ctl_list);
1713 INIT_WORK(&adsp->boot_work, wm_adsp2_boot_work);
1714
1715 if (dvfs) {
1716 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
1717 if (IS_ERR(adsp->dvfs)) {
1718 ret = PTR_ERR(adsp->dvfs);
1719 dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
1720 return ret;
1721 }
1722
1723 ret = regulator_enable(adsp->dvfs);
1724 if (ret != 0) {
1725 dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
1726 ret);
1727 return ret;
1728 }
1729
1730 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
1731 if (ret != 0) {
1732 dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
1733 ret);
1734 return ret;
1735 }
1736
1737 ret = regulator_disable(adsp->dvfs);
1738 if (ret != 0) {
1739 dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
1740 ret);
1741 return ret;
1742 }
1743 }
1744
1745 return 0;
1746 }
1747 EXPORT_SYMBOL_GPL(wm_adsp2_init);
Linux kernel - Deliverables
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