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ALSA: replace strict_strto*() with kstrto*()
[linux-2.6/btrfs-unstable.git] / sound / soc / codecs / wm_adsp.c
blob05252ac936a369cb210a9043105d9d95cb614679
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 {
229 struct device *dev;
230 struct list_head ctl_list;
231 struct regmap *regmap;
232 };
233
234 struct wm_coeff_ctl {
235 const char *name;
236 struct snd_card *card;
237 struct wm_adsp_alg_region region;
238 struct wm_coeff_ctl_ops ops;
239 struct wm_adsp *adsp;
240 void *private;
241 unsigned int enabled:1;
242 struct list_head list;
243 void *cache;
244 size_t len;
245 unsigned int set:1;
246 struct snd_kcontrol *kcontrol;
247 };
248
249 static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
250 struct snd_ctl_elem_value *ucontrol)
251 {
252 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
253 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
254 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
255
256 ucontrol->value.integer.value[0] = adsp[e->shift_l].fw;
257
258 return 0;
259 }
260
261 static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
262 struct snd_ctl_elem_value *ucontrol)
263 {
264 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
265 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
266 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
267
268 if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw)
269 return 0;
270
271 if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW)
272 return -EINVAL;
273
274 if (adsp[e->shift_l].running)
275 return -EBUSY;
276
277 adsp[e->shift_l].fw = ucontrol->value.integer.value[0];
278
279 return 0;
280 }
281
282 static const struct soc_enum wm_adsp_fw_enum[] = {
283 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
284 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
285 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
286 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
287 };
288
289 const struct snd_kcontrol_new wm_adsp1_fw_controls[] = {
290 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
291 wm_adsp_fw_get, wm_adsp_fw_put),
292 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
293 wm_adsp_fw_get, wm_adsp_fw_put),
294 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
295 wm_adsp_fw_get, wm_adsp_fw_put),
296 };
297 EXPORT_SYMBOL_GPL(wm_adsp1_fw_controls);
298
299 #if IS_ENABLED(CONFIG_SND_SOC_ARIZONA)
300 static const struct soc_enum wm_adsp2_rate_enum[] = {
301 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1,
302 ARIZONA_DSP1_RATE_SHIFT, 0xf,
303 ARIZONA_RATE_ENUM_SIZE,
304 arizona_rate_text, arizona_rate_val),
305 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1,
306 ARIZONA_DSP1_RATE_SHIFT, 0xf,
307 ARIZONA_RATE_ENUM_SIZE,
308 arizona_rate_text, arizona_rate_val),
309 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
310 ARIZONA_DSP1_RATE_SHIFT, 0xf,
311 ARIZONA_RATE_ENUM_SIZE,
312 arizona_rate_text, arizona_rate_val),
313 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP4_CONTROL_1,
314 ARIZONA_DSP1_RATE_SHIFT, 0xf,
315 ARIZONA_RATE_ENUM_SIZE,
316 arizona_rate_text, arizona_rate_val),
317 };
318
319 const struct snd_kcontrol_new wm_adsp2_fw_controls[] = {
320 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
321 wm_adsp_fw_get, wm_adsp_fw_put),
322 SOC_ENUM("DSP1 Rate", wm_adsp2_rate_enum[0]),
323 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
324 wm_adsp_fw_get, wm_adsp_fw_put),
325 SOC_ENUM("DSP2 Rate", wm_adsp2_rate_enum[1]),
326 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
327 wm_adsp_fw_get, wm_adsp_fw_put),
328 SOC_ENUM("DSP3 Rate", wm_adsp2_rate_enum[2]),
329 SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
330 wm_adsp_fw_get, wm_adsp_fw_put),
331 SOC_ENUM("DSP4 Rate", wm_adsp2_rate_enum[3]),
332 };
333 EXPORT_SYMBOL_GPL(wm_adsp2_fw_controls);
334 #endif
335
336 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
337 int type)
338 {
339 int i;
340
341 for (i = 0; i < dsp->num_mems; i++)
342 if (dsp->mem[i].type == type)
343 return &dsp->mem[i];
344
345 return NULL;
346 }
347
348 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
349 unsigned int offset)
350 {
351 switch (region->type) {
352 case WMFW_ADSP1_PM:
353 return region->base + (offset * 3);
354 case WMFW_ADSP1_DM:
355 return region->base + (offset * 2);
356 case WMFW_ADSP2_XM:
357 return region->base + (offset * 2);
358 case WMFW_ADSP2_YM:
359 return region->base + (offset * 2);
360 case WMFW_ADSP1_ZM:
361 return region->base + (offset * 2);
362 default:
363 WARN_ON(NULL != "Unknown memory region type");
364 return offset;
365 }
366 }
367
368 static int wm_coeff_info(struct snd_kcontrol *kcontrol,
369 struct snd_ctl_elem_info *uinfo)
370 {
371 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
372
373 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
374 uinfo->count = ctl->len;
375 return 0;
376 }
377
378 static int wm_coeff_write_control(struct snd_kcontrol *kcontrol,
379 const void *buf, size_t len)
380 {
381 struct wm_coeff *wm_coeff= snd_kcontrol_chip(kcontrol);
382 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
383 struct wm_adsp_alg_region *region = &ctl->region;
384 const struct wm_adsp_region *mem;
385 struct wm_adsp *adsp = ctl->adsp;
386 void *scratch;
387 int ret;
388 unsigned int reg;
389
390 mem = wm_adsp_find_region(adsp, region->type);
391 if (!mem) {
392 adsp_err(adsp, "No base for region %x\n",
393 region->type);
394 return -EINVAL;
395 }
396
397 reg = ctl->region.base;
398 reg = wm_adsp_region_to_reg(mem, reg);
399
400 scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA);
401 if (!scratch)
402 return -ENOMEM;
403
404 ret = regmap_raw_write(wm_coeff->regmap, reg, scratch,
405 ctl->len);
406 if (ret) {
407 adsp_err(adsp, "Failed to write %zu bytes to %x\n",
408 ctl->len, reg);
409 kfree(scratch);
410 return ret;
411 }
412
413 kfree(scratch);
414
415 return 0;
416 }
417
418 static int wm_coeff_put(struct snd_kcontrol *kcontrol,
419 struct snd_ctl_elem_value *ucontrol)
420 {
421 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
422 char *p = ucontrol->value.bytes.data;
423
424 memcpy(ctl->cache, p, ctl->len);
425
426 if (!ctl->enabled) {
427 ctl->set = 1;
428 return 0;
429 }
430
431 return wm_coeff_write_control(kcontrol, p, ctl->len);
432 }
433
434 static int wm_coeff_read_control(struct snd_kcontrol *kcontrol,
435 void *buf, size_t len)
436 {
437 struct wm_coeff *wm_coeff= snd_kcontrol_chip(kcontrol);
438 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
439 struct wm_adsp_alg_region *region = &ctl->region;
440 const struct wm_adsp_region *mem;
441 struct wm_adsp *adsp = ctl->adsp;
442 void *scratch;
443 int ret;
444 unsigned int reg;
445
446 mem = wm_adsp_find_region(adsp, region->type);
447 if (!mem) {
448 adsp_err(adsp, "No base for region %x\n",
449 region->type);
450 return -EINVAL;
451 }
452
453 reg = ctl->region.base;
454 reg = wm_adsp_region_to_reg(mem, reg);
455
456 scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA);
457 if (!scratch)
458 return -ENOMEM;
459
460 ret = regmap_raw_read(wm_coeff->regmap, reg, scratch, ctl->len);
461 if (ret) {
462 adsp_err(adsp, "Failed to read %zu bytes from %x\n",
463 ctl->len, reg);
464 kfree(scratch);
465 return ret;
466 }
467
468 memcpy(buf, scratch, ctl->len);
469 kfree(scratch);
470
471 return 0;
472 }
473
474 static int wm_coeff_get(struct snd_kcontrol *kcontrol,
475 struct snd_ctl_elem_value *ucontrol)
476 {
477 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
478 char *p = ucontrol->value.bytes.data;
479
480 memcpy(p, ctl->cache, ctl->len);
481 return 0;
482 }
483
484 static int wm_coeff_add_kcontrol(struct wm_coeff *wm_coeff,
485 struct wm_coeff_ctl *ctl,
486 const struct snd_kcontrol_new *kctl)
487 {
488 int ret;
489 struct snd_kcontrol *kcontrol;
490
491 kcontrol = snd_ctl_new1(kctl, wm_coeff);
492 ret = snd_ctl_add(ctl->card, kcontrol);
493 if (ret < 0) {
494 dev_err(wm_coeff->dev, "Failed to add %s: %d\n",
495 kctl->name, ret);
496 return ret;
497 }
498 ctl->kcontrol = kcontrol;
499 return 0;
500 }
501
502 struct wmfw_ctl_work {
503 struct wm_coeff *wm_coeff;
504 struct wm_coeff_ctl *ctl;
505 struct work_struct work;
506 };
507
508 static int wmfw_add_ctl(struct wm_coeff *wm_coeff,
509 struct wm_coeff_ctl *ctl)
510 {
511 struct snd_kcontrol_new *kcontrol;
512 int ret;
513
514 if (!wm_coeff || !ctl || !ctl->name || !ctl->card)
515 return -EINVAL;
516
517 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
518 if (!kcontrol)
519 return -ENOMEM;
520 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
521
522 kcontrol->name = ctl->name;
523 kcontrol->info = wm_coeff_info;
524 kcontrol->get = wm_coeff_get;
525 kcontrol->put = wm_coeff_put;
526 kcontrol->private_value = (unsigned long)ctl;
527
528 ret = wm_coeff_add_kcontrol(wm_coeff,
529 ctl, kcontrol);
530 if (ret < 0)
531 goto err_kcontrol;
532
533 kfree(kcontrol);
534
535 list_add(&ctl->list, &wm_coeff->ctl_list);
536 return 0;
537
538 err_kcontrol:
539 kfree(kcontrol);
540 return ret;
541 }
542
543 static int wm_adsp_load(struct wm_adsp *dsp)
544 {
545 LIST_HEAD(buf_list);
546 const struct firmware *firmware;
547 struct regmap *regmap = dsp->regmap;
548 unsigned int pos = 0;
549 const struct wmfw_header *header;
550 const struct wmfw_adsp1_sizes *adsp1_sizes;
551 const struct wmfw_adsp2_sizes *adsp2_sizes;
552 const struct wmfw_footer *footer;
553 const struct wmfw_region *region;
554 const struct wm_adsp_region *mem;
555 const char *region_name;
556 char *file, *text;
557 struct wm_adsp_buf *buf;
558 unsigned int reg;
559 int regions = 0;
560 int ret, offset, type, sizes;
561
562 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
563 if (file == NULL)
564 return -ENOMEM;
565
566 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
567 wm_adsp_fw[dsp->fw].file);
568 file[PAGE_SIZE - 1] = '\0';
569
570 ret = request_firmware(&firmware, file, dsp->dev);
571 if (ret != 0) {
572 adsp_err(dsp, "Failed to request '%s'\n", file);
573 goto out;
574 }
575 ret = -EINVAL;
576
577 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
578 if (pos >= firmware->size) {
579 adsp_err(dsp, "%s: file too short, %zu bytes\n",
580 file, firmware->size);
581 goto out_fw;
582 }
583
584 header = (void*)&firmware->data[0];
585
586 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
587 adsp_err(dsp, "%s: invalid magic\n", file);
588 goto out_fw;
589 }
590
591 if (header->ver != 0) {
592 adsp_err(dsp, "%s: unknown file format %d\n",
593 file, header->ver);
594 goto out_fw;
595 }
596
597 if (header->core != dsp->type) {
598 adsp_err(dsp, "%s: invalid core %d != %d\n",
599 file, header->core, dsp->type);
600 goto out_fw;
601 }
602
603 switch (dsp->type) {
604 case WMFW_ADSP1:
605 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
606 adsp1_sizes = (void *)&(header[1]);
607 footer = (void *)&(adsp1_sizes[1]);
608 sizes = sizeof(*adsp1_sizes);
609
610 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
611 file, le32_to_cpu(adsp1_sizes->dm),
612 le32_to_cpu(adsp1_sizes->pm),
613 le32_to_cpu(adsp1_sizes->zm));
614 break;
615
616 case WMFW_ADSP2:
617 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
618 adsp2_sizes = (void *)&(header[1]);
619 footer = (void *)&(adsp2_sizes[1]);
620 sizes = sizeof(*adsp2_sizes);
621
622 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
623 file, le32_to_cpu(adsp2_sizes->xm),
624 le32_to_cpu(adsp2_sizes->ym),
625 le32_to_cpu(adsp2_sizes->pm),
626 le32_to_cpu(adsp2_sizes->zm));
627 break;
628
629 default:
630 BUG_ON(NULL == "Unknown DSP type");
631 goto out_fw;
632 }
633
634 if (le32_to_cpu(header->len) != sizeof(*header) +
635 sizes + sizeof(*footer)) {
636 adsp_err(dsp, "%s: unexpected header length %d\n",
637 file, le32_to_cpu(header->len));
638 goto out_fw;
639 }
640
641 adsp_dbg(dsp, "%s: timestamp %llu\n", file,
642 le64_to_cpu(footer->timestamp));
643
644 while (pos < firmware->size &&
645 pos - firmware->size > sizeof(*region)) {
646 region = (void *)&(firmware->data[pos]);
647 region_name = "Unknown";
648 reg = 0;
649 text = NULL;
650 offset = le32_to_cpu(region->offset) & 0xffffff;
651 type = be32_to_cpu(region->type) & 0xff;
652 mem = wm_adsp_find_region(dsp, type);
653
654 switch (type) {
655 case WMFW_NAME_TEXT:
656 region_name = "Firmware name";
657 text = kzalloc(le32_to_cpu(region->len) + 1,
658 GFP_KERNEL);
659 break;
660 case WMFW_INFO_TEXT:
661 region_name = "Information";
662 text = kzalloc(le32_to_cpu(region->len) + 1,
663 GFP_KERNEL);
664 break;
665 case WMFW_ABSOLUTE:
666 region_name = "Absolute";
667 reg = offset;
668 break;
669 case WMFW_ADSP1_PM:
670 BUG_ON(!mem);
671 region_name = "PM";
672 reg = wm_adsp_region_to_reg(mem, offset);
673 break;
674 case WMFW_ADSP1_DM:
675 BUG_ON(!mem);
676 region_name = "DM";
677 reg = wm_adsp_region_to_reg(mem, offset);
678 break;
679 case WMFW_ADSP2_XM:
680 BUG_ON(!mem);
681 region_name = "XM";
682 reg = wm_adsp_region_to_reg(mem, offset);
683 break;
684 case WMFW_ADSP2_YM:
685 BUG_ON(!mem);
686 region_name = "YM";
687 reg = wm_adsp_region_to_reg(mem, offset);
688 break;
689 case WMFW_ADSP1_ZM:
690 BUG_ON(!mem);
691 region_name = "ZM";
692 reg = wm_adsp_region_to_reg(mem, offset);
693 break;
694 default:
695 adsp_warn(dsp,
696 "%s.%d: Unknown region type %x at %d(%x)\n",
697 file, regions, type, pos, pos);
698 break;
699 }
700
701 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
702 regions, le32_to_cpu(region->len), offset,
703 region_name);
704
705 if (text) {
706 memcpy(text, region->data, le32_to_cpu(region->len));
707 adsp_info(dsp, "%s: %s\n", file, text);
708 kfree(text);
709 }
710
711 if (reg) {
712 buf = wm_adsp_buf_alloc(region->data,
713 le32_to_cpu(region->len),
714 &buf_list);
715 if (!buf) {
716 adsp_err(dsp, "Out of memory\n");
717 return -ENOMEM;
718 }
719
720 ret = regmap_raw_write_async(regmap, reg, buf->buf,
721 le32_to_cpu(region->len));
722 if (ret != 0) {
723 adsp_err(dsp,
724 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
725 file, regions,
726 le32_to_cpu(region->len), offset,
727 region_name, ret);
728 goto out_fw;
729 }
730 }
731
732 pos += le32_to_cpu(region->len) + sizeof(*region);
733 regions++;
734 }
735
736 ret = regmap_async_complete(regmap);
737 if (ret != 0) {
738 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
739 goto out_fw;
740 }
741
742 if (pos > firmware->size)
743 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
744 file, regions, pos - firmware->size);
745
746 out_fw:
747 regmap_async_complete(regmap);
748 wm_adsp_buf_free(&buf_list);
749 release_firmware(firmware);
750 out:
751 kfree(file);
752
753 return ret;
754 }
755
756 static int wm_coeff_init_control_caches(struct wm_coeff *wm_coeff)
757 {
758 struct wm_coeff_ctl *ctl;
759 int ret;
760
761 list_for_each_entry(ctl, &wm_coeff->ctl_list,
762 list) {
763 if (!ctl->enabled || ctl->set)
764 continue;
765 ret = wm_coeff_read_control(ctl->kcontrol,
766 ctl->cache,
767 ctl->len);
768 if (ret < 0)
769 return ret;
770 }
771
772 return 0;
773 }
774
775 static int wm_coeff_sync_controls(struct wm_coeff *wm_coeff)
776 {
777 struct wm_coeff_ctl *ctl;
778 int ret;
779
780 list_for_each_entry(ctl, &wm_coeff->ctl_list,
781 list) {
782 if (!ctl->enabled)
783 continue;
784 if (ctl->set) {
785 ret = wm_coeff_write_control(ctl->kcontrol,
786 ctl->cache,
787 ctl->len);
788 if (ret < 0)
789 return ret;
790 }
791 }
792
793 return 0;
794 }
795
796 static void wm_adsp_ctl_work(struct work_struct *work)
797 {
798 struct wmfw_ctl_work *ctl_work = container_of(work,
799 struct wmfw_ctl_work,
800 work);
801
802 wmfw_add_ctl(ctl_work->wm_coeff, ctl_work->ctl);
803 kfree(ctl_work);
804 }
805
806 static int wm_adsp_create_control(struct snd_soc_codec *codec,
807 const struct wm_adsp_alg_region *region)
808
809 {
810 struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
811 struct wm_coeff_ctl *ctl;
812 struct wmfw_ctl_work *ctl_work;
813 char *name;
814 char *region_name;
815 int ret;
816
817 name = kmalloc(PAGE_SIZE, GFP_KERNEL);
818 if (!name)
819 return -ENOMEM;
820
821 switch (region->type) {
822 case WMFW_ADSP1_PM:
823 region_name = "PM";
824 break;
825 case WMFW_ADSP1_DM:
826 region_name = "DM";
827 break;
828 case WMFW_ADSP2_XM:
829 region_name = "XM";
830 break;
831 case WMFW_ADSP2_YM:
832 region_name = "YM";
833 break;
834 case WMFW_ADSP1_ZM:
835 region_name = "ZM";
836 break;
837 default:
838 ret = -EINVAL;
839 goto err_name;
840 }
841
842 snprintf(name, PAGE_SIZE, "DSP%d %s %x",
843 dsp->num, region_name, region->alg);
844
845 list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list,
846 list) {
847 if (!strcmp(ctl->name, name)) {
848 if (!ctl->enabled)
849 ctl->enabled = 1;
850 goto found;
851 }
852 }
853
854 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
855 if (!ctl) {
856 ret = -ENOMEM;
857 goto err_name;
858 }
859 ctl->region = *region;
860 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
861 if (!ctl->name) {
862 ret = -ENOMEM;
863 goto err_ctl;
864 }
865 ctl->enabled = 1;
866 ctl->set = 0;
867 ctl->ops.xget = wm_coeff_get;
868 ctl->ops.xput = wm_coeff_put;
869 ctl->card = codec->card->snd_card;
870 ctl->adsp = dsp;
871
872 ctl->len = region->len;
873 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
874 if (!ctl->cache) {
875 ret = -ENOMEM;
876 goto err_ctl_name;
877 }
878
879 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
880 if (!ctl_work) {
881 ret = -ENOMEM;
882 goto err_ctl_cache;
883 }
884
885 ctl_work->wm_coeff = dsp->wm_coeff;
886 ctl_work->ctl = ctl;
887 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
888 schedule_work(&ctl_work->work);
889
890 found:
891 kfree(name);
892
893 return 0;
894
895 err_ctl_cache:
896 kfree(ctl->cache);
897 err_ctl_name:
898 kfree(ctl->name);
899 err_ctl:
900 kfree(ctl);
901 err_name:
902 kfree(name);
903 return ret;
904 }
905
906 static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
907 {
908 struct regmap *regmap = dsp->regmap;
909 struct wmfw_adsp1_id_hdr adsp1_id;
910 struct wmfw_adsp2_id_hdr adsp2_id;
911 struct wmfw_adsp1_alg_hdr *adsp1_alg;
912 struct wmfw_adsp2_alg_hdr *adsp2_alg;
913 void *alg, *buf;
914 struct wm_adsp_alg_region *region;
915 const struct wm_adsp_region *mem;
916 unsigned int pos, term;
917 size_t algs, buf_size;
918 __be32 val;
919 int i, ret;
920
921 switch (dsp->type) {
922 case WMFW_ADSP1:
923 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
924 break;
925 case WMFW_ADSP2:
926 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
927 break;
928 default:
929 mem = NULL;
930 break;
931 }
932
933 if (mem == NULL) {
934 BUG_ON(mem != NULL);
935 return -EINVAL;
936 }
937
938 switch (dsp->type) {
939 case WMFW_ADSP1:
940 ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
941 sizeof(adsp1_id));
942 if (ret != 0) {
943 adsp_err(dsp, "Failed to read algorithm info: %d\n",
944 ret);
945 return ret;
946 }
947
948 buf = &adsp1_id;
949 buf_size = sizeof(adsp1_id);
950
951 algs = be32_to_cpu(adsp1_id.algs);
952 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
953 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
954 dsp->fw_id,
955 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
956 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
957 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
958 algs);
959
960 region = kzalloc(sizeof(*region), GFP_KERNEL);
961 if (!region)
962 return -ENOMEM;
963 region->type = WMFW_ADSP1_ZM;
964 region->alg = be32_to_cpu(adsp1_id.fw.id);
965 region->base = be32_to_cpu(adsp1_id.zm);
966 list_add_tail(&region->list, &dsp->alg_regions);
967
968 region = kzalloc(sizeof(*region), GFP_KERNEL);
969 if (!region)
970 return -ENOMEM;
971 region->type = WMFW_ADSP1_DM;
972 region->alg = be32_to_cpu(adsp1_id.fw.id);
973 region->base = be32_to_cpu(adsp1_id.dm);
974 list_add_tail(&region->list, &dsp->alg_regions);
975
976 pos = sizeof(adsp1_id) / 2;
977 term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
978 break;
979
980 case WMFW_ADSP2:
981 ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
982 sizeof(adsp2_id));
983 if (ret != 0) {
984 adsp_err(dsp, "Failed to read algorithm info: %d\n",
985 ret);
986 return ret;
987 }
988
989 buf = &adsp2_id;
990 buf_size = sizeof(adsp2_id);
991
992 algs = be32_to_cpu(adsp2_id.algs);
993 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
994 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
995 dsp->fw_id,
996 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
997 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
998 be32_to_cpu(adsp2_id.fw.ver) & 0xff,
999 algs);
1000
1001 region = kzalloc(sizeof(*region), GFP_KERNEL);
1002 if (!region)
1003 return -ENOMEM;
1004 region->type = WMFW_ADSP2_XM;
1005 region->alg = be32_to_cpu(adsp2_id.fw.id);
1006 region->base = be32_to_cpu(adsp2_id.xm);
1007 list_add_tail(&region->list, &dsp->alg_regions);
1008
1009 region = kzalloc(sizeof(*region), GFP_KERNEL);
1010 if (!region)
1011 return -ENOMEM;
1012 region->type = WMFW_ADSP2_YM;
1013 region->alg = be32_to_cpu(adsp2_id.fw.id);
1014 region->base = be32_to_cpu(adsp2_id.ym);
1015 list_add_tail(&region->list, &dsp->alg_regions);
1016
1017 region = kzalloc(sizeof(*region), GFP_KERNEL);
1018 if (!region)
1019 return -ENOMEM;
1020 region->type = WMFW_ADSP2_ZM;
1021 region->alg = be32_to_cpu(adsp2_id.fw.id);
1022 region->base = be32_to_cpu(adsp2_id.zm);
1023 list_add_tail(&region->list, &dsp->alg_regions);
1024
1025 pos = sizeof(adsp2_id) / 2;
1026 term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
1027 break;
1028
1029 default:
1030 BUG_ON(NULL == "Unknown DSP type");
1031 return -EINVAL;
1032 }
1033
1034 if (algs == 0) {
1035 adsp_err(dsp, "No algorithms\n");
1036 return -EINVAL;
1037 }
1038
1039 if (algs > 1024) {
1040 adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
1041 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
1042 buf, buf_size);
1043 return -EINVAL;
1044 }
1045
1046 /* Read the terminator first to validate the length */
1047 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
1048 if (ret != 0) {
1049 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1050 ret);
1051 return ret;
1052 }
1053
1054 if (be32_to_cpu(val) != 0xbedead)
1055 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1056 term, be32_to_cpu(val));
1057
1058 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
1059 if (!alg)
1060 return -ENOMEM;
1061
1062 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
1063 if (ret != 0) {
1064 adsp_err(dsp, "Failed to read algorithm list: %d\n",
1065 ret);
1066 goto out;
1067 }
1068
1069 adsp1_alg = alg;
1070 adsp2_alg = alg;
1071
1072 for (i = 0; i < algs; i++) {
1073 switch (dsp->type) {
1074 case WMFW_ADSP1:
1075 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1076 i, be32_to_cpu(adsp1_alg[i].alg.id),
1077 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1078 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1079 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1080 be32_to_cpu(adsp1_alg[i].dm),
1081 be32_to_cpu(adsp1_alg[i].zm));
1082
1083 region = kzalloc(sizeof(*region), GFP_KERNEL);
1084 if (!region)
1085 return -ENOMEM;
1086 region->type = WMFW_ADSP1_DM;
1087 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1088 region->base = be32_to_cpu(adsp1_alg[i].dm);
1089 region->len = 0;
1090 list_add_tail(&region->list, &dsp->alg_regions);
1091 if (i + 1 < algs) {
1092 region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
1093 region->len -= be32_to_cpu(adsp1_alg[i].dm);
1094 wm_adsp_create_control(codec, region);
1095 } else {
1096 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1097 be32_to_cpu(adsp1_alg[i].alg.id));
1098 }
1099
1100 region = kzalloc(sizeof(*region), GFP_KERNEL);
1101 if (!region)
1102 return -ENOMEM;
1103 region->type = WMFW_ADSP1_ZM;
1104 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1105 region->base = be32_to_cpu(adsp1_alg[i].zm);
1106 region->len = 0;
1107 list_add_tail(&region->list, &dsp->alg_regions);
1108 if (i + 1 < algs) {
1109 region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
1110 region->len -= be32_to_cpu(adsp1_alg[i].zm);
1111 wm_adsp_create_control(codec, region);
1112 } else {
1113 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1114 be32_to_cpu(adsp1_alg[i].alg.id));
1115 }
1116 break;
1117
1118 case WMFW_ADSP2:
1119 adsp_info(dsp,
1120 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1121 i, be32_to_cpu(adsp2_alg[i].alg.id),
1122 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1123 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1124 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1125 be32_to_cpu(adsp2_alg[i].xm),
1126 be32_to_cpu(adsp2_alg[i].ym),
1127 be32_to_cpu(adsp2_alg[i].zm));
1128
1129 region = kzalloc(sizeof(*region), GFP_KERNEL);
1130 if (!region)
1131 return -ENOMEM;
1132 region->type = WMFW_ADSP2_XM;
1133 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1134 region->base = be32_to_cpu(adsp2_alg[i].xm);
1135 region->len = 0;
1136 list_add_tail(&region->list, &dsp->alg_regions);
1137 if (i + 1 < algs) {
1138 region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
1139 region->len -= be32_to_cpu(adsp2_alg[i].xm);
1140 wm_adsp_create_control(codec, region);
1141 } else {
1142 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1143 be32_to_cpu(adsp2_alg[i].alg.id));
1144 }
1145
1146 region = kzalloc(sizeof(*region), GFP_KERNEL);
1147 if (!region)
1148 return -ENOMEM;
1149 region->type = WMFW_ADSP2_YM;
1150 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1151 region->base = be32_to_cpu(adsp2_alg[i].ym);
1152 region->len = 0;
1153 list_add_tail(&region->list, &dsp->alg_regions);
1154 if (i + 1 < algs) {
1155 region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
1156 region->len -= be32_to_cpu(adsp2_alg[i].ym);
1157 wm_adsp_create_control(codec, region);
1158 } else {
1159 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1160 be32_to_cpu(adsp2_alg[i].alg.id));
1161 }
1162
1163 region = kzalloc(sizeof(*region), GFP_KERNEL);
1164 if (!region)
1165 return -ENOMEM;
1166 region->type = WMFW_ADSP2_ZM;
1167 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1168 region->base = be32_to_cpu(adsp2_alg[i].zm);
1169 region->len = 0;
1170 list_add_tail(&region->list, &dsp->alg_regions);
1171 if (i + 1 < algs) {
1172 region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
1173 region->len -= be32_to_cpu(adsp2_alg[i].zm);
1174 wm_adsp_create_control(codec, region);
1175 } else {
1176 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1177 be32_to_cpu(adsp2_alg[i].alg.id));
1178 }
1179 break;
1180 }
1181 }
1182
1183 out:
1184 kfree(alg);
1185 return ret;
1186 }
1187
1188 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1189 {
1190 LIST_HEAD(buf_list);
1191 struct regmap *regmap = dsp->regmap;
1192 struct wmfw_coeff_hdr *hdr;
1193 struct wmfw_coeff_item *blk;
1194 const struct firmware *firmware;
1195 const struct wm_adsp_region *mem;
1196 struct wm_adsp_alg_region *alg_region;
1197 const char *region_name;
1198 int ret, pos, blocks, type, offset, reg;
1199 char *file;
1200 struct wm_adsp_buf *buf;
1201 int tmp;
1202
1203 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1204 if (file == NULL)
1205 return -ENOMEM;
1206
1207 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1208 wm_adsp_fw[dsp->fw].file);
1209 file[PAGE_SIZE - 1] = '\0';
1210
1211 ret = request_firmware(&firmware, file, dsp->dev);
1212 if (ret != 0) {
1213 adsp_warn(dsp, "Failed to request '%s'\n", file);
1214 ret = 0;
1215 goto out;
1216 }
1217 ret = -EINVAL;
1218
1219 if (sizeof(*hdr) >= firmware->size) {
1220 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1221 file, firmware->size);
1222 goto out_fw;
1223 }
1224
1225 hdr = (void*)&firmware->data[0];
1226 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1227 adsp_err(dsp, "%s: invalid magic\n", file);
1228 goto out_fw;
1229 }
1230
1231 switch (be32_to_cpu(hdr->rev) & 0xff) {
1232 case 1:
1233 break;
1234 default:
1235 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1236 file, be32_to_cpu(hdr->rev) & 0xff);
1237 ret = -EINVAL;
1238 goto out_fw;
1239 }
1240
1241 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1242 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1243 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
1244 le32_to_cpu(hdr->ver) & 0xff);
1245
1246 pos = le32_to_cpu(hdr->len);
1247
1248 blocks = 0;
1249 while (pos < firmware->size &&
1250 pos - firmware->size > sizeof(*blk)) {
1251 blk = (void*)(&firmware->data[pos]);
1252
1253 type = le16_to_cpu(blk->type);
1254 offset = le16_to_cpu(blk->offset);
1255
1256 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1257 file, blocks, le32_to_cpu(blk->id),
1258 (le32_to_cpu(blk->ver) >> 16) & 0xff,
1259 (le32_to_cpu(blk->ver) >> 8) & 0xff,
1260 le32_to_cpu(blk->ver) & 0xff);
1261 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1262 file, blocks, le32_to_cpu(blk->len), offset, type);
1263
1264 reg = 0;
1265 region_name = "Unknown";
1266 switch (type) {
1267 case (WMFW_NAME_TEXT << 8):
1268 case (WMFW_INFO_TEXT << 8):
1269 break;
1270 case (WMFW_ABSOLUTE << 8):
1271 /*
1272 * Old files may use this for global
1273 * coefficients.
1274 */
1275 if (le32_to_cpu(blk->id) == dsp->fw_id &&
1276 offset == 0) {
1277 region_name = "global coefficients";
1278 mem = wm_adsp_find_region(dsp, type);
1279 if (!mem) {
1280 adsp_err(dsp, "No ZM\n");
1281 break;
1282 }
1283 reg = wm_adsp_region_to_reg(mem, 0);
1284
1285 } else {
1286 region_name = "register";
1287 reg = offset;
1288 }
1289 break;
1290
1291 case WMFW_ADSP1_DM:
1292 case WMFW_ADSP1_ZM:
1293 case WMFW_ADSP2_XM:
1294 case WMFW_ADSP2_YM:
1295 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1296 file, blocks, le32_to_cpu(blk->len),
1297 type, le32_to_cpu(blk->id));
1298
1299 mem = wm_adsp_find_region(dsp, type);
1300 if (!mem) {
1301 adsp_err(dsp, "No base for region %x\n", type);
1302 break;
1303 }
1304
1305 reg = 0;
1306 list_for_each_entry(alg_region,
1307 &dsp->alg_regions, list) {
1308 if (le32_to_cpu(blk->id) == alg_region->alg &&
1309 type == alg_region->type) {
1310 reg = alg_region->base;
1311 reg = wm_adsp_region_to_reg(mem,
1312 reg);
1313 reg += offset;
1314 }
1315 }
1316
1317 if (reg == 0)
1318 adsp_err(dsp, "No %x for algorithm %x\n",
1319 type, le32_to_cpu(blk->id));
1320 break;
1321
1322 default:
1323 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1324 file, blocks, type, pos);
1325 break;
1326 }
1327
1328 if (reg) {
1329 buf = wm_adsp_buf_alloc(blk->data,
1330 le32_to_cpu(blk->len),
1331 &buf_list);
1332 if (!buf) {
1333 adsp_err(dsp, "Out of memory\n");
1334 ret = -ENOMEM;
1335 goto out_fw;
1336 }
1337
1338 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1339 file, blocks, le32_to_cpu(blk->len),
1340 reg);
1341 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1342 le32_to_cpu(blk->len));
1343 if (ret != 0) {
1344 adsp_err(dsp,
1345 "%s.%d: Failed to write to %x in %s\n",
1346 file, blocks, reg, region_name);
1347 }
1348 }
1349
1350 tmp = le32_to_cpu(blk->len) % 4;
1351 if (tmp)
1352 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
1353 else
1354 pos += le32_to_cpu(blk->len) + sizeof(*blk);
1355
1356 blocks++;
1357 }
1358
1359 ret = regmap_async_complete(regmap);
1360 if (ret != 0)
1361 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1362
1363 if (pos > firmware->size)
1364 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1365 file, blocks, pos - firmware->size);
1366
1367 out_fw:
1368 release_firmware(firmware);
1369 wm_adsp_buf_free(&buf_list);
1370 out:
1371 kfree(file);
1372 return ret;
1373 }
1374
1375 int wm_adsp1_init(struct wm_adsp *adsp)
1376 {
1377 INIT_LIST_HEAD(&adsp->alg_regions);
1378
1379 return 0;
1380 }
1381 EXPORT_SYMBOL_GPL(wm_adsp1_init);
1382
1383 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1384 struct snd_kcontrol *kcontrol,
1385 int event)
1386 {
1387 struct snd_soc_codec *codec = w->codec;
1388 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1389 struct wm_adsp *dsp = &dsps[w->shift];
1390 struct wm_coeff_ctl *ctl;
1391 int ret;
1392 int val;
1393
1394 switch (event) {
1395 case SND_SOC_DAPM_POST_PMU:
1396 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1397 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
1398
1399 /*
1400 * For simplicity set the DSP clock rate to be the
1401 * SYSCLK rate rather than making it configurable.
1402 */
1403 if(dsp->sysclk_reg) {
1404 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1405 if (ret != 0) {
1406 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1407 ret);
1408 return ret;
1409 }
1410
1411 val = (val & dsp->sysclk_mask)
1412 >> dsp->sysclk_shift;
1413
1414 ret = regmap_update_bits(dsp->regmap,
1415 dsp->base + ADSP1_CONTROL_31,
1416 ADSP1_CLK_SEL_MASK, val);
1417 if (ret != 0) {
1418 adsp_err(dsp, "Failed to set clock rate: %d\n",
1419 ret);
1420 return ret;
1421 }
1422 }
1423
1424 ret = wm_adsp_load(dsp);
1425 if (ret != 0)
1426 goto err;
1427
1428 ret = wm_adsp_setup_algs(dsp, codec);
1429 if (ret != 0)
1430 goto err;
1431
1432 ret = wm_adsp_load_coeff(dsp);
1433 if (ret != 0)
1434 goto err;
1435
1436 /* Initialize caches for enabled and unset controls */
1437 ret = wm_coeff_init_control_caches(dsp->wm_coeff);
1438 if (ret != 0)
1439 goto err;
1440
1441 /* Sync set controls */
1442 ret = wm_coeff_sync_controls(dsp->wm_coeff);
1443 if (ret != 0)
1444 goto err;
1445
1446 /* Start the core running */
1447 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1448 ADSP1_CORE_ENA | ADSP1_START,
1449 ADSP1_CORE_ENA | ADSP1_START);
1450 break;
1451
1452 case SND_SOC_DAPM_PRE_PMD:
1453 /* Halt the core */
1454 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1455 ADSP1_CORE_ENA | ADSP1_START, 0);
1456
1457 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
1458 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
1459
1460 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1461 ADSP1_SYS_ENA, 0);
1462
1463 list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list,
1464 list) {
1465 ctl->enabled = 0;
1466 }
1467 break;
1468
1469 default:
1470 break;
1471 }
1472
1473 return 0;
1474
1475 err:
1476 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1477 ADSP1_SYS_ENA, 0);
1478 return ret;
1479 }
1480 EXPORT_SYMBOL_GPL(wm_adsp1_event);
1481
1482 static int wm_adsp2_ena(struct wm_adsp *dsp)
1483 {
1484 unsigned int val;
1485 int ret, count;
1486
1487 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1488 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
1489 if (ret != 0)
1490 return ret;
1491
1492 /* Wait for the RAM to start, should be near instantaneous */
1493 count = 0;
1494 do {
1495 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
1496 &val);
1497 if (ret != 0)
1498 return ret;
1499 } while (!(val & ADSP2_RAM_RDY) && ++count < 10);
1500
1501 if (!(val & ADSP2_RAM_RDY)) {
1502 adsp_err(dsp, "Failed to start DSP RAM\n");
1503 return -EBUSY;
1504 }
1505
1506 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
1507 adsp_info(dsp, "RAM ready after %d polls\n", count);
1508
1509 return 0;
1510 }
1511
1512 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
1513 struct snd_kcontrol *kcontrol, int event)
1514 {
1515 struct snd_soc_codec *codec = w->codec;
1516 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1517 struct wm_adsp *dsp = &dsps[w->shift];
1518 struct wm_adsp_alg_region *alg_region;
1519 struct wm_coeff_ctl *ctl;
1520 unsigned int val;
1521 int ret;
1522
1523 switch (event) {
1524 case SND_SOC_DAPM_POST_PMU:
1525 /*
1526 * For simplicity set the DSP clock rate to be the
1527 * SYSCLK rate rather than making it configurable.
1528 */
1529 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
1530 if (ret != 0) {
1531 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1532 ret);
1533 return ret;
1534 }
1535 val = (val & ARIZONA_SYSCLK_FREQ_MASK)
1536 >> ARIZONA_SYSCLK_FREQ_SHIFT;
1537
1538 ret = regmap_update_bits(dsp->regmap,
1539 dsp->base + ADSP2_CLOCKING,
1540 ADSP2_CLK_SEL_MASK, val);
1541 if (ret != 0) {
1542 adsp_err(dsp, "Failed to set clock rate: %d\n",
1543 ret);
1544 return ret;
1545 }
1546
1547 if (dsp->dvfs) {
1548 ret = regmap_read(dsp->regmap,
1549 dsp->base + ADSP2_CLOCKING, &val);
1550 if (ret != 0) {
1551 dev_err(dsp->dev,
1552 "Failed to read clocking: %d\n", ret);
1553 return ret;
1554 }
1555
1556 if ((val & ADSP2_CLK_SEL_MASK) >= 3) {
1557 ret = regulator_enable(dsp->dvfs);
1558 if (ret != 0) {
1559 dev_err(dsp->dev,
1560 "Failed to enable supply: %d\n",
1561 ret);
1562 return ret;
1563 }
1564
1565 ret = regulator_set_voltage(dsp->dvfs,
1566 1800000,
1567 1800000);
1568 if (ret != 0) {
1569 dev_err(dsp->dev,
1570 "Failed to raise supply: %d\n",
1571 ret);
1572 return ret;
1573 }
1574 }
1575 }
1576
1577 ret = wm_adsp2_ena(dsp);
1578 if (ret != 0)
1579 return ret;
1580
1581 ret = wm_adsp_load(dsp);
1582 if (ret != 0)
1583 goto err;
1584
1585 ret = wm_adsp_setup_algs(dsp, codec);
1586 if (ret != 0)
1587 goto err;
1588
1589 ret = wm_adsp_load_coeff(dsp);
1590 if (ret != 0)
1591 goto err;
1592
1593 /* Initialize caches for enabled and unset controls */
1594 ret = wm_coeff_init_control_caches(dsp->wm_coeff);
1595 if (ret != 0)
1596 goto err;
1597
1598 /* Sync set controls */
1599 ret = wm_coeff_sync_controls(dsp->wm_coeff);
1600 if (ret != 0)
1601 goto err;
1602
1603 ret = regmap_update_bits(dsp->regmap,
1604 dsp->base + ADSP2_CONTROL,
1605 ADSP2_CORE_ENA | ADSP2_START,
1606 ADSP2_CORE_ENA | ADSP2_START);
1607 if (ret != 0)
1608 goto err;
1609
1610 dsp->running = true;
1611 break;
1612
1613 case SND_SOC_DAPM_PRE_PMD:
1614 dsp->running = false;
1615
1616 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1617 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
1618 ADSP2_START, 0);
1619
1620 /* Make sure DMAs are quiesced */
1621 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
1622 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
1623 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
1624
1625 if (dsp->dvfs) {
1626 ret = regulator_set_voltage(dsp->dvfs, 1200000,
1627 1800000);
1628 if (ret != 0)
1629 dev_warn(dsp->dev,
1630 "Failed to lower supply: %d\n",
1631 ret);
1632
1633 ret = regulator_disable(dsp->dvfs);
1634 if (ret != 0)
1635 dev_err(dsp->dev,
1636 "Failed to enable supply: %d\n",
1637 ret);
1638 }
1639
1640 list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list,
1641 list) {
1642 ctl->enabled = 0;
1643 }
1644
1645 while (!list_empty(&dsp->alg_regions)) {
1646 alg_region = list_first_entry(&dsp->alg_regions,
1647 struct wm_adsp_alg_region,
1648 list);
1649 list_del(&alg_region->list);
1650 kfree(alg_region);
1651 }
1652 break;
1653
1654 default:
1655 break;
1656 }
1657
1658 return 0;
1659 err:
1660 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1661 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1662 return ret;
1663 }
1664 EXPORT_SYMBOL_GPL(wm_adsp2_event);
1665
1666 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
1667 {
1668 int ret;
1669
1670 /*
1671 * Disable the DSP memory by default when in reset for a small
1672 * power saving.
1673 */
1674 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL,
1675 ADSP2_MEM_ENA, 0);
1676 if (ret != 0) {
1677 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret);
1678 return ret;
1679 }
1680
1681 INIT_LIST_HEAD(&adsp->alg_regions);
1682
1683 adsp->wm_coeff = kzalloc(sizeof(*adsp->wm_coeff),
1684 GFP_KERNEL);
1685 if (!adsp->wm_coeff)
1686 return -ENOMEM;
1687 adsp->wm_coeff->regmap = adsp->regmap;
1688 adsp->wm_coeff->dev = adsp->dev;
1689 INIT_LIST_HEAD(&adsp->wm_coeff->ctl_list);
1690
1691 if (dvfs) {
1692 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
1693 if (IS_ERR(adsp->dvfs)) {
1694 ret = PTR_ERR(adsp->dvfs);
1695 dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
1696 goto out_coeff;
1697 }
1698
1699 ret = regulator_enable(adsp->dvfs);
1700 if (ret != 0) {
1701 dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
1702 ret);
1703 goto out_coeff;
1704 }
1705
1706 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
1707 if (ret != 0) {
1708 dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
1709 ret);
1710 goto out_coeff;
1711 }
1712
1713 ret = regulator_disable(adsp->dvfs);
1714 if (ret != 0) {
1715 dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
1716 ret);
1717 goto out_coeff;
1718 }
1719 }
1720
1721 return 0;
1722
1723 out_coeff:
1724 kfree(adsp->wm_coeff);
1725 return ret;
1726 }
1727 EXPORT_SYMBOL_GPL(wm_adsp2_init);
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