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sched: Fix schedule_tail() to disable preemption
[linux/fpc-iii.git] / sound / soc / codecs / wm_adsp.c
blobf412a9911a75d2fe531930f6a0108fb977c41e77
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_soc_kcontrol_codec(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_soc_kcontrol_codec(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 size_t to_write = PAGE_SIZE;
688 size_t remain = le32_to_cpu(region->len);
689 const u8 *data = region->data;
690
691 while (remain > 0) {
692 if (remain < PAGE_SIZE)
693 to_write = remain;
694
695 buf = wm_adsp_buf_alloc(data,
696 to_write,
697 &buf_list);
698 if (!buf) {
699 adsp_err(dsp, "Out of memory\n");
700 ret = -ENOMEM;
701 goto out_fw;
702 }
703
704 ret = regmap_raw_write_async(regmap, reg,
705 buf->buf,
706 to_write);
707 if (ret != 0) {
708 adsp_err(dsp,
709 "%s.%d: Failed to write %zd bytes at %d in %s: %d\n",
710 file, regions,
711 to_write, offset,
712 region_name, ret);
713 goto out_fw;
714 }
715
716 data += to_write;
717 reg += to_write / 2;
718 remain -= to_write;
719 }
720 }
721
722 pos += le32_to_cpu(region->len) + sizeof(*region);
723 regions++;
724 }
725
726 ret = regmap_async_complete(regmap);
727 if (ret != 0) {
728 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
729 goto out_fw;
730 }
731
732 if (pos > firmware->size)
733 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
734 file, regions, pos - firmware->size);
735
736 out_fw:
737 regmap_async_complete(regmap);
738 wm_adsp_buf_free(&buf_list);
739 release_firmware(firmware);
740 out:
741 kfree(file);
742
743 return ret;
744 }
745
746 static int wm_coeff_init_control_caches(struct wm_adsp *adsp)
747 {
748 struct wm_coeff_ctl *ctl;
749 int ret;
750
751 list_for_each_entry(ctl, &adsp->ctl_list, list) {
752 if (!ctl->enabled || ctl->set)
753 continue;
754 ret = wm_coeff_read_control(ctl->kcontrol,
755 ctl->cache,
756 ctl->len);
757 if (ret < 0)
758 return ret;
759 }
760
761 return 0;
762 }
763
764 static int wm_coeff_sync_controls(struct wm_adsp *adsp)
765 {
766 struct wm_coeff_ctl *ctl;
767 int ret;
768
769 list_for_each_entry(ctl, &adsp->ctl_list, list) {
770 if (!ctl->enabled)
771 continue;
772 if (ctl->set) {
773 ret = wm_coeff_write_control(ctl->kcontrol,
774 ctl->cache,
775 ctl->len);
776 if (ret < 0)
777 return ret;
778 }
779 }
780
781 return 0;
782 }
783
784 static void wm_adsp_ctl_work(struct work_struct *work)
785 {
786 struct wmfw_ctl_work *ctl_work = container_of(work,
787 struct wmfw_ctl_work,
788 work);
789
790 wmfw_add_ctl(ctl_work->adsp, ctl_work->ctl);
791 kfree(ctl_work);
792 }
793
794 static int wm_adsp_create_control(struct wm_adsp *dsp,
795 const struct wm_adsp_alg_region *region)
796
797 {
798 struct wm_coeff_ctl *ctl;
799 struct wmfw_ctl_work *ctl_work;
800 char *name;
801 char *region_name;
802 int ret;
803
804 name = kmalloc(PAGE_SIZE, GFP_KERNEL);
805 if (!name)
806 return -ENOMEM;
807
808 switch (region->type) {
809 case WMFW_ADSP1_PM:
810 region_name = "PM";
811 break;
812 case WMFW_ADSP1_DM:
813 region_name = "DM";
814 break;
815 case WMFW_ADSP2_XM:
816 region_name = "XM";
817 break;
818 case WMFW_ADSP2_YM:
819 region_name = "YM";
820 break;
821 case WMFW_ADSP1_ZM:
822 region_name = "ZM";
823 break;
824 default:
825 ret = -EINVAL;
826 goto err_name;
827 }
828
829 snprintf(name, PAGE_SIZE, "DSP%d %s %x",
830 dsp->num, region_name, region->alg);
831
832 list_for_each_entry(ctl, &dsp->ctl_list,
833 list) {
834 if (!strcmp(ctl->name, name)) {
835 if (!ctl->enabled)
836 ctl->enabled = 1;
837 goto found;
838 }
839 }
840
841 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
842 if (!ctl) {
843 ret = -ENOMEM;
844 goto err_name;
845 }
846 ctl->region = *region;
847 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
848 if (!ctl->name) {
849 ret = -ENOMEM;
850 goto err_ctl;
851 }
852 ctl->enabled = 1;
853 ctl->set = 0;
854 ctl->ops.xget = wm_coeff_get;
855 ctl->ops.xput = wm_coeff_put;
856 ctl->adsp = dsp;
857
858 ctl->len = region->len;
859 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
860 if (!ctl->cache) {
861 ret = -ENOMEM;
862 goto err_ctl_name;
863 }
864
865 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
866 if (!ctl_work) {
867 ret = -ENOMEM;
868 goto err_ctl_cache;
869 }
870
871 ctl_work->adsp = dsp;
872 ctl_work->ctl = ctl;
873 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
874 schedule_work(&ctl_work->work);
875
876 found:
877 kfree(name);
878
879 return 0;
880
881 err_ctl_cache:
882 kfree(ctl->cache);
883 err_ctl_name:
884 kfree(ctl->name);
885 err_ctl:
886 kfree(ctl);
887 err_name:
888 kfree(name);
889 return ret;
890 }
891
892 static int wm_adsp_setup_algs(struct wm_adsp *dsp)
893 {
894 struct regmap *regmap = dsp->regmap;
895 struct wmfw_adsp1_id_hdr adsp1_id;
896 struct wmfw_adsp2_id_hdr adsp2_id;
897 struct wmfw_adsp1_alg_hdr *adsp1_alg;
898 struct wmfw_adsp2_alg_hdr *adsp2_alg;
899 void *alg, *buf;
900 struct wm_adsp_alg_region *region;
901 const struct wm_adsp_region *mem;
902 unsigned int pos, term;
903 size_t algs, buf_size;
904 __be32 val;
905 int i, ret;
906
907 switch (dsp->type) {
908 case WMFW_ADSP1:
909 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
910 break;
911 case WMFW_ADSP2:
912 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
913 break;
914 default:
915 mem = NULL;
916 break;
917 }
918
919 if (WARN_ON(!mem))
920 return -EINVAL;
921
922 switch (dsp->type) {
923 case WMFW_ADSP1:
924 ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
925 sizeof(adsp1_id));
926 if (ret != 0) {
927 adsp_err(dsp, "Failed to read algorithm info: %d\n",
928 ret);
929 return ret;
930 }
931
932 buf = &adsp1_id;
933 buf_size = sizeof(adsp1_id);
934
935 algs = be32_to_cpu(adsp1_id.algs);
936 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
937 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
938 dsp->fw_id,
939 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
940 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
941 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
942 algs);
943
944 region = kzalloc(sizeof(*region), GFP_KERNEL);
945 if (!region)
946 return -ENOMEM;
947 region->type = WMFW_ADSP1_ZM;
948 region->alg = be32_to_cpu(adsp1_id.fw.id);
949 region->base = be32_to_cpu(adsp1_id.zm);
950 list_add_tail(&region->list, &dsp->alg_regions);
951
952 region = kzalloc(sizeof(*region), GFP_KERNEL);
953 if (!region)
954 return -ENOMEM;
955 region->type = WMFW_ADSP1_DM;
956 region->alg = be32_to_cpu(adsp1_id.fw.id);
957 region->base = be32_to_cpu(adsp1_id.dm);
958 list_add_tail(&region->list, &dsp->alg_regions);
959
960 pos = sizeof(adsp1_id) / 2;
961 term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
962 break;
963
964 case WMFW_ADSP2:
965 ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
966 sizeof(adsp2_id));
967 if (ret != 0) {
968 adsp_err(dsp, "Failed to read algorithm info: %d\n",
969 ret);
970 return ret;
971 }
972
973 buf = &adsp2_id;
974 buf_size = sizeof(adsp2_id);
975
976 algs = be32_to_cpu(adsp2_id.algs);
977 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
978 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
979 dsp->fw_id,
980 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
981 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
982 be32_to_cpu(adsp2_id.fw.ver) & 0xff,
983 algs);
984
985 region = kzalloc(sizeof(*region), GFP_KERNEL);
986 if (!region)
987 return -ENOMEM;
988 region->type = WMFW_ADSP2_XM;
989 region->alg = be32_to_cpu(adsp2_id.fw.id);
990 region->base = be32_to_cpu(adsp2_id.xm);
991 list_add_tail(&region->list, &dsp->alg_regions);
992
993 region = kzalloc(sizeof(*region), GFP_KERNEL);
994 if (!region)
995 return -ENOMEM;
996 region->type = WMFW_ADSP2_YM;
997 region->alg = be32_to_cpu(adsp2_id.fw.id);
998 region->base = be32_to_cpu(adsp2_id.ym);
999 list_add_tail(&region->list, &dsp->alg_regions);
1000
1001 region = kzalloc(sizeof(*region), GFP_KERNEL);
1002 if (!region)
1003 return -ENOMEM;
1004 region->type = WMFW_ADSP2_ZM;
1005 region->alg = be32_to_cpu(adsp2_id.fw.id);
1006 region->base = be32_to_cpu(adsp2_id.zm);
1007 list_add_tail(&region->list, &dsp->alg_regions);
1008
1009 pos = sizeof(adsp2_id) / 2;
1010 term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
1011 break;
1012
1013 default:
1014 WARN(1, "Unknown DSP type");
1015 return -EINVAL;
1016 }
1017
1018 if (algs == 0) {
1019 adsp_err(dsp, "No algorithms\n");
1020 return -EINVAL;
1021 }
1022
1023 if (algs > 1024) {
1024 adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
1025 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
1026 buf, buf_size);
1027 return -EINVAL;
1028 }
1029
1030 /* Read the terminator first to validate the length */
1031 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
1032 if (ret != 0) {
1033 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1034 ret);
1035 return ret;
1036 }
1037
1038 if (be32_to_cpu(val) != 0xbedead)
1039 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1040 term, be32_to_cpu(val));
1041
1042 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
1043 if (!alg)
1044 return -ENOMEM;
1045
1046 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
1047 if (ret != 0) {
1048 adsp_err(dsp, "Failed to read algorithm list: %d\n",
1049 ret);
1050 goto out;
1051 }
1052
1053 adsp1_alg = alg;
1054 adsp2_alg = alg;
1055
1056 for (i = 0; i < algs; i++) {
1057 switch (dsp->type) {
1058 case WMFW_ADSP1:
1059 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1060 i, be32_to_cpu(adsp1_alg[i].alg.id),
1061 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1062 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1063 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1064 be32_to_cpu(adsp1_alg[i].dm),
1065 be32_to_cpu(adsp1_alg[i].zm));
1066
1067 region = kzalloc(sizeof(*region), GFP_KERNEL);
1068 if (!region)
1069 return -ENOMEM;
1070 region->type = WMFW_ADSP1_DM;
1071 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1072 region->base = be32_to_cpu(adsp1_alg[i].dm);
1073 region->len = 0;
1074 list_add_tail(&region->list, &dsp->alg_regions);
1075 if (i + 1 < algs) {
1076 region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
1077 region->len -= be32_to_cpu(adsp1_alg[i].dm);
1078 region->len *= 4;
1079 wm_adsp_create_control(dsp, region);
1080 } else {
1081 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1082 be32_to_cpu(adsp1_alg[i].alg.id));
1083 }
1084
1085 region = kzalloc(sizeof(*region), GFP_KERNEL);
1086 if (!region)
1087 return -ENOMEM;
1088 region->type = WMFW_ADSP1_ZM;
1089 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1090 region->base = be32_to_cpu(adsp1_alg[i].zm);
1091 region->len = 0;
1092 list_add_tail(&region->list, &dsp->alg_regions);
1093 if (i + 1 < algs) {
1094 region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
1095 region->len -= be32_to_cpu(adsp1_alg[i].zm);
1096 region->len *= 4;
1097 wm_adsp_create_control(dsp, region);
1098 } else {
1099 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1100 be32_to_cpu(adsp1_alg[i].alg.id));
1101 }
1102 break;
1103
1104 case WMFW_ADSP2:
1105 adsp_info(dsp,
1106 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1107 i, be32_to_cpu(adsp2_alg[i].alg.id),
1108 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1109 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1110 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1111 be32_to_cpu(adsp2_alg[i].xm),
1112 be32_to_cpu(adsp2_alg[i].ym),
1113 be32_to_cpu(adsp2_alg[i].zm));
1114
1115 region = kzalloc(sizeof(*region), GFP_KERNEL);
1116 if (!region)
1117 return -ENOMEM;
1118 region->type = WMFW_ADSP2_XM;
1119 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1120 region->base = be32_to_cpu(adsp2_alg[i].xm);
1121 region->len = 0;
1122 list_add_tail(&region->list, &dsp->alg_regions);
1123 if (i + 1 < algs) {
1124 region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
1125 region->len -= be32_to_cpu(adsp2_alg[i].xm);
1126 region->len *= 4;
1127 wm_adsp_create_control(dsp, region);
1128 } else {
1129 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1130 be32_to_cpu(adsp2_alg[i].alg.id));
1131 }
1132
1133 region = kzalloc(sizeof(*region), GFP_KERNEL);
1134 if (!region)
1135 return -ENOMEM;
1136 region->type = WMFW_ADSP2_YM;
1137 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1138 region->base = be32_to_cpu(adsp2_alg[i].ym);
1139 region->len = 0;
1140 list_add_tail(&region->list, &dsp->alg_regions);
1141 if (i + 1 < algs) {
1142 region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
1143 region->len -= be32_to_cpu(adsp2_alg[i].ym);
1144 region->len *= 4;
1145 wm_adsp_create_control(dsp, region);
1146 } else {
1147 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1148 be32_to_cpu(adsp2_alg[i].alg.id));
1149 }
1150
1151 region = kzalloc(sizeof(*region), GFP_KERNEL);
1152 if (!region)
1153 return -ENOMEM;
1154 region->type = WMFW_ADSP2_ZM;
1155 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1156 region->base = be32_to_cpu(adsp2_alg[i].zm);
1157 region->len = 0;
1158 list_add_tail(&region->list, &dsp->alg_regions);
1159 if (i + 1 < algs) {
1160 region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
1161 region->len -= be32_to_cpu(adsp2_alg[i].zm);
1162 region->len *= 4;
1163 wm_adsp_create_control(dsp, region);
1164 } else {
1165 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1166 be32_to_cpu(adsp2_alg[i].alg.id));
1167 }
1168 break;
1169 }
1170 }
1171
1172 out:
1173 kfree(alg);
1174 return ret;
1175 }
1176
1177 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1178 {
1179 LIST_HEAD(buf_list);
1180 struct regmap *regmap = dsp->regmap;
1181 struct wmfw_coeff_hdr *hdr;
1182 struct wmfw_coeff_item *blk;
1183 const struct firmware *firmware;
1184 const struct wm_adsp_region *mem;
1185 struct wm_adsp_alg_region *alg_region;
1186 const char *region_name;
1187 int ret, pos, blocks, type, offset, reg;
1188 char *file;
1189 struct wm_adsp_buf *buf;
1190 int tmp;
1191
1192 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1193 if (file == NULL)
1194 return -ENOMEM;
1195
1196 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1197 wm_adsp_fw[dsp->fw].file);
1198 file[PAGE_SIZE - 1] = '\0';
1199
1200 ret = request_firmware(&firmware, file, dsp->dev);
1201 if (ret != 0) {
1202 adsp_warn(dsp, "Failed to request '%s'\n", file);
1203 ret = 0;
1204 goto out;
1205 }
1206 ret = -EINVAL;
1207
1208 if (sizeof(*hdr) >= firmware->size) {
1209 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1210 file, firmware->size);
1211 goto out_fw;
1212 }
1213
1214 hdr = (void*)&firmware->data[0];
1215 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1216 adsp_err(dsp, "%s: invalid magic\n", file);
1217 goto out_fw;
1218 }
1219
1220 switch (be32_to_cpu(hdr->rev) & 0xff) {
1221 case 1:
1222 break;
1223 default:
1224 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1225 file, be32_to_cpu(hdr->rev) & 0xff);
1226 ret = -EINVAL;
1227 goto out_fw;
1228 }
1229
1230 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1231 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1232 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
1233 le32_to_cpu(hdr->ver) & 0xff);
1234
1235 pos = le32_to_cpu(hdr->len);
1236
1237 blocks = 0;
1238 while (pos < firmware->size &&
1239 pos - firmware->size > sizeof(*blk)) {
1240 blk = (void*)(&firmware->data[pos]);
1241
1242 type = le16_to_cpu(blk->type);
1243 offset = le16_to_cpu(blk->offset);
1244
1245 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1246 file, blocks, le32_to_cpu(blk->id),
1247 (le32_to_cpu(blk->ver) >> 16) & 0xff,
1248 (le32_to_cpu(blk->ver) >> 8) & 0xff,
1249 le32_to_cpu(blk->ver) & 0xff);
1250 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1251 file, blocks, le32_to_cpu(blk->len), offset, type);
1252
1253 reg = 0;
1254 region_name = "Unknown";
1255 switch (type) {
1256 case (WMFW_NAME_TEXT << 8):
1257 case (WMFW_INFO_TEXT << 8):
1258 break;
1259 case (WMFW_ABSOLUTE << 8):
1260 /*
1261 * Old files may use this for global
1262 * coefficients.
1263 */
1264 if (le32_to_cpu(blk->id) == dsp->fw_id &&
1265 offset == 0) {
1266 region_name = "global coefficients";
1267 mem = wm_adsp_find_region(dsp, type);
1268 if (!mem) {
1269 adsp_err(dsp, "No ZM\n");
1270 break;
1271 }
1272 reg = wm_adsp_region_to_reg(mem, 0);
1273
1274 } else {
1275 region_name = "register";
1276 reg = offset;
1277 }
1278 break;
1279
1280 case WMFW_ADSP1_DM:
1281 case WMFW_ADSP1_ZM:
1282 case WMFW_ADSP2_XM:
1283 case WMFW_ADSP2_YM:
1284 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1285 file, blocks, le32_to_cpu(blk->len),
1286 type, le32_to_cpu(blk->id));
1287
1288 mem = wm_adsp_find_region(dsp, type);
1289 if (!mem) {
1290 adsp_err(dsp, "No base for region %x\n", type);
1291 break;
1292 }
1293
1294 reg = 0;
1295 list_for_each_entry(alg_region,
1296 &dsp->alg_regions, list) {
1297 if (le32_to_cpu(blk->id) == alg_region->alg &&
1298 type == alg_region->type) {
1299 reg = alg_region->base;
1300 reg = wm_adsp_region_to_reg(mem,
1301 reg);
1302 reg += offset;
1303 break;
1304 }
1305 }
1306
1307 if (reg == 0)
1308 adsp_err(dsp, "No %x for algorithm %x\n",
1309 type, le32_to_cpu(blk->id));
1310 break;
1311
1312 default:
1313 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1314 file, blocks, type, pos);
1315 break;
1316 }
1317
1318 if (reg) {
1319 buf = wm_adsp_buf_alloc(blk->data,
1320 le32_to_cpu(blk->len),
1321 &buf_list);
1322 if (!buf) {
1323 adsp_err(dsp, "Out of memory\n");
1324 ret = -ENOMEM;
1325 goto out_fw;
1326 }
1327
1328 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1329 file, blocks, le32_to_cpu(blk->len),
1330 reg);
1331 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1332 le32_to_cpu(blk->len));
1333 if (ret != 0) {
1334 adsp_err(dsp,
1335 "%s.%d: Failed to write to %x in %s: %d\n",
1336 file, blocks, reg, region_name, ret);
1337 }
1338 }
1339
1340 tmp = le32_to_cpu(blk->len) % 4;
1341 if (tmp)
1342 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
1343 else
1344 pos += le32_to_cpu(blk->len) + sizeof(*blk);
1345
1346 blocks++;
1347 }
1348
1349 ret = regmap_async_complete(regmap);
1350 if (ret != 0)
1351 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1352
1353 if (pos > firmware->size)
1354 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1355 file, blocks, pos - firmware->size);
1356
1357 out_fw:
1358 release_firmware(firmware);
1359 wm_adsp_buf_free(&buf_list);
1360 out:
1361 kfree(file);
1362 return ret;
1363 }
1364
1365 int wm_adsp1_init(struct wm_adsp *adsp)
1366 {
1367 INIT_LIST_HEAD(&adsp->alg_regions);
1368
1369 return 0;
1370 }
1371 EXPORT_SYMBOL_GPL(wm_adsp1_init);
1372
1373 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1374 struct snd_kcontrol *kcontrol,
1375 int event)
1376 {
1377 struct snd_soc_codec *codec = w->codec;
1378 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1379 struct wm_adsp *dsp = &dsps[w->shift];
1380 struct wm_adsp_alg_region *alg_region;
1381 struct wm_coeff_ctl *ctl;
1382 int ret;
1383 int val;
1384
1385 dsp->card = codec->component.card;
1386
1387 switch (event) {
1388 case SND_SOC_DAPM_POST_PMU:
1389 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1390 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
1391
1392 /*
1393 * For simplicity set the DSP clock rate to be the
1394 * SYSCLK rate rather than making it configurable.
1395 */
1396 if(dsp->sysclk_reg) {
1397 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1398 if (ret != 0) {
1399 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1400 ret);
1401 return ret;
1402 }
1403
1404 val = (val & dsp->sysclk_mask)
1405 >> dsp->sysclk_shift;
1406
1407 ret = regmap_update_bits(dsp->regmap,
1408 dsp->base + ADSP1_CONTROL_31,
1409 ADSP1_CLK_SEL_MASK, val);
1410 if (ret != 0) {
1411 adsp_err(dsp, "Failed to set clock rate: %d\n",
1412 ret);
1413 return ret;
1414 }
1415 }
1416
1417 ret = wm_adsp_load(dsp);
1418 if (ret != 0)
1419 goto err;
1420
1421 ret = wm_adsp_setup_algs(dsp);
1422 if (ret != 0)
1423 goto err;
1424
1425 ret = wm_adsp_load_coeff(dsp);
1426 if (ret != 0)
1427 goto err;
1428
1429 /* Initialize caches for enabled and unset controls */
1430 ret = wm_coeff_init_control_caches(dsp);
1431 if (ret != 0)
1432 goto err;
1433
1434 /* Sync set controls */
1435 ret = wm_coeff_sync_controls(dsp);
1436 if (ret != 0)
1437 goto err;
1438
1439 /* Start the core running */
1440 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1441 ADSP1_CORE_ENA | ADSP1_START,
1442 ADSP1_CORE_ENA | ADSP1_START);
1443 break;
1444
1445 case SND_SOC_DAPM_PRE_PMD:
1446 /* Halt the core */
1447 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1448 ADSP1_CORE_ENA | ADSP1_START, 0);
1449
1450 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
1451 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
1452
1453 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1454 ADSP1_SYS_ENA, 0);
1455
1456 list_for_each_entry(ctl, &dsp->ctl_list, list)
1457 ctl->enabled = 0;
1458
1459 while (!list_empty(&dsp->alg_regions)) {
1460 alg_region = list_first_entry(&dsp->alg_regions,
1461 struct wm_adsp_alg_region,
1462 list);
1463 list_del(&alg_region->list);
1464 kfree(alg_region);
1465 }
1466 break;
1467
1468 default:
1469 break;
1470 }
1471
1472 return 0;
1473
1474 err:
1475 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1476 ADSP1_SYS_ENA, 0);
1477 return ret;
1478 }
1479 EXPORT_SYMBOL_GPL(wm_adsp1_event);
1480
1481 static int wm_adsp2_ena(struct wm_adsp *dsp)
1482 {
1483 unsigned int val;
1484 int ret, count;
1485
1486 ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
1487 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
1488 if (ret != 0)
1489 return ret;
1490
1491 /* Wait for the RAM to start, should be near instantaneous */
1492 for (count = 0; count < 10; ++count) {
1493 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
1494 &val);
1495 if (ret != 0)
1496 return ret;
1497
1498 if (val & ADSP2_RAM_RDY)
1499 break;
1500
1501 msleep(1);
1502 }
1503
1504 if (!(val & ADSP2_RAM_RDY)) {
1505 adsp_err(dsp, "Failed to start DSP RAM\n");
1506 return -EBUSY;
1507 }
1508
1509 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
1510
1511 return 0;
1512 }
1513
1514 static void wm_adsp2_boot_work(struct work_struct *work)
1515 {
1516 struct wm_adsp *dsp = container_of(work,
1517 struct wm_adsp,
1518 boot_work);
1519 int ret;
1520 unsigned int val;
1521
1522 /*
1523 * For simplicity set the DSP clock rate to be the
1524 * SYSCLK rate rather than making it configurable.
1525 */
1526 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
1527 if (ret != 0) {
1528 adsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret);
1529 return;
1530 }
1531 val = (val & ARIZONA_SYSCLK_FREQ_MASK)
1532 >> ARIZONA_SYSCLK_FREQ_SHIFT;
1533
1534 ret = regmap_update_bits_async(dsp->regmap,
1535 dsp->base + ADSP2_CLOCKING,
1536 ADSP2_CLK_SEL_MASK, val);
1537 if (ret != 0) {
1538 adsp_err(dsp, "Failed to set clock rate: %d\n", ret);
1539 return;
1540 }
1541
1542 if (dsp->dvfs) {
1543 ret = regmap_read(dsp->regmap,
1544 dsp->base + ADSP2_CLOCKING, &val);
1545 if (ret != 0) {
1546 adsp_err(dsp, "Failed to read clocking: %d\n", ret);
1547 return;
1548 }
1549
1550 if ((val & ADSP2_CLK_SEL_MASK) >= 3) {
1551 ret = regulator_enable(dsp->dvfs);
1552 if (ret != 0) {
1553 adsp_err(dsp,
1554 "Failed to enable supply: %d\n",
1555 ret);
1556 return;
1557 }
1558
1559 ret = regulator_set_voltage(dsp->dvfs,
1560 1800000,
1561 1800000);
1562 if (ret != 0) {
1563 adsp_err(dsp,
1564 "Failed to raise supply: %d\n",
1565 ret);
1566 return;
1567 }
1568 }
1569 }
1570
1571 ret = wm_adsp2_ena(dsp);
1572 if (ret != 0)
1573 return;
1574
1575 ret = wm_adsp_load(dsp);
1576 if (ret != 0)
1577 goto err;
1578
1579 ret = wm_adsp_setup_algs(dsp);
1580 if (ret != 0)
1581 goto err;
1582
1583 ret = wm_adsp_load_coeff(dsp);
1584 if (ret != 0)
1585 goto err;
1586
1587 /* Initialize caches for enabled and unset controls */
1588 ret = wm_coeff_init_control_caches(dsp);
1589 if (ret != 0)
1590 goto err;
1591
1592 /* Sync set controls */
1593 ret = wm_coeff_sync_controls(dsp);
1594 if (ret != 0)
1595 goto err;
1596
1597 ret = regmap_update_bits_async(dsp->regmap,
1598 dsp->base + ADSP2_CONTROL,
1599 ADSP2_CORE_ENA,
1600 ADSP2_CORE_ENA);
1601 if (ret != 0)
1602 goto err;
1603
1604 dsp->running = true;
1605
1606 return;
1607
1608 err:
1609 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1610 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1611 }
1612
1613 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
1614 struct snd_kcontrol *kcontrol, int event)
1615 {
1616 struct snd_soc_codec *codec = w->codec;
1617 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1618 struct wm_adsp *dsp = &dsps[w->shift];
1619
1620 dsp->card = codec->component.card;
1621
1622 switch (event) {
1623 case SND_SOC_DAPM_PRE_PMU:
1624 queue_work(system_unbound_wq, &dsp->boot_work);
1625 break;
1626 default:
1627 break;
1628 }
1629
1630 return 0;
1631 }
1632 EXPORT_SYMBOL_GPL(wm_adsp2_early_event);
1633
1634 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
1635 struct snd_kcontrol *kcontrol, int event)
1636 {
1637 struct snd_soc_codec *codec = w->codec;
1638 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1639 struct wm_adsp *dsp = &dsps[w->shift];
1640 struct wm_adsp_alg_region *alg_region;
1641 struct wm_coeff_ctl *ctl;
1642 int ret;
1643
1644 switch (event) {
1645 case SND_SOC_DAPM_POST_PMU:
1646 flush_work(&dsp->boot_work);
1647
1648 if (!dsp->running)
1649 return -EIO;
1650
1651 ret = regmap_update_bits(dsp->regmap,
1652 dsp->base + ADSP2_CONTROL,
1653 ADSP2_START,
1654 ADSP2_START);
1655 if (ret != 0)
1656 goto err;
1657 break;
1658
1659 case SND_SOC_DAPM_PRE_PMD:
1660 dsp->running = false;
1661
1662 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1663 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
1664 ADSP2_START, 0);
1665
1666 /* Make sure DMAs are quiesced */
1667 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
1668 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
1669 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
1670
1671 if (dsp->dvfs) {
1672 ret = regulator_set_voltage(dsp->dvfs, 1200000,
1673 1800000);
1674 if (ret != 0)
1675 adsp_warn(dsp,
1676 "Failed to lower supply: %d\n",
1677 ret);
1678
1679 ret = regulator_disable(dsp->dvfs);
1680 if (ret != 0)
1681 adsp_err(dsp,
1682 "Failed to enable supply: %d\n",
1683 ret);
1684 }
1685
1686 list_for_each_entry(ctl, &dsp->ctl_list, list)
1687 ctl->enabled = 0;
1688
1689 while (!list_empty(&dsp->alg_regions)) {
1690 alg_region = list_first_entry(&dsp->alg_regions,
1691 struct wm_adsp_alg_region,
1692 list);
1693 list_del(&alg_region->list);
1694 kfree(alg_region);
1695 }
1696
1697 adsp_dbg(dsp, "Shutdown complete\n");
1698 break;
1699
1700 default:
1701 break;
1702 }
1703
1704 return 0;
1705 err:
1706 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1707 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1708 return ret;
1709 }
1710 EXPORT_SYMBOL_GPL(wm_adsp2_event);
1711
1712 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
1713 {
1714 int ret;
1715
1716 /*
1717 * Disable the DSP memory by default when in reset for a small
1718 * power saving.
1719 */
1720 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL,
1721 ADSP2_MEM_ENA, 0);
1722 if (ret != 0) {
1723 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret);
1724 return ret;
1725 }
1726
1727 INIT_LIST_HEAD(&adsp->alg_regions);
1728 INIT_LIST_HEAD(&adsp->ctl_list);
1729 INIT_WORK(&adsp->boot_work, wm_adsp2_boot_work);
1730
1731 if (dvfs) {
1732 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
1733 if (IS_ERR(adsp->dvfs)) {
1734 ret = PTR_ERR(adsp->dvfs);
1735 adsp_err(adsp, "Failed to get DCVDD: %d\n", ret);
1736 return ret;
1737 }
1738
1739 ret = regulator_enable(adsp->dvfs);
1740 if (ret != 0) {
1741 adsp_err(adsp, "Failed to enable DCVDD: %d\n", ret);
1742 return ret;
1743 }
1744
1745 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
1746 if (ret != 0) {
1747 adsp_err(adsp, "Failed to initialise DVFS: %d\n", ret);
1748 return ret;
1749 }
1750
1751 ret = regulator_disable(adsp->dvfs);
1752 if (ret != 0) {
1753 adsp_err(adsp, "Failed to disable DCVDD: %d\n", ret);
1754 return ret;
1755 }
1756 }
1757
1758 return 0;
1759 }
1760 EXPORT_SYMBOL_GPL(wm_adsp2_init);
1761
1762 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support