2 * wm_adsp.c -- Wolfson ADSP support
4 * Copyright 2012 Wolfson Microelectronics plc
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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.
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>
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>
33 #include <linux/mfd/arizona/registers.h>
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__)
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
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] */
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 */
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 */
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
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 */
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 */
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
160 struct list_head list;
164 static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
165 struct list_head *list)
167 struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
172 buf->buf = kmemdup(src, len, GFP_KERNEL | GFP_DMA);
179 list_add_tail(&buf->list, list);
184 static void wm_adsp_buf_free(struct list_head *list)
186 while (!list_empty(list)) {
187 struct wm_adsp_buf *buf = list_first_entry(list,
190 list_del(&buf->list);
196 #define WM_ADSP_NUM_FW 4
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
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",
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" },
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);
228 struct wm_coeff_ctl {
230 struct wm_adsp_alg_region region;
231 struct wm_coeff_ctl_ops ops;
232 struct wm_adsp *adsp;
234 unsigned int enabled:1;
235 struct list_head list;
239 struct snd_kcontrol *kcontrol;
242 static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
243 struct snd_ctl_elem_value *ucontrol)
245 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
246 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
247 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
249 ucontrol->value.integer.value[0] = adsp[e->shift_l].fw;
254 static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
255 struct snd_ctl_elem_value *ucontrol)
257 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
258 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
259 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
261 if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw)
264 if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW)
267 if (adsp[e->shift_l].running)
270 adsp[e->shift_l].fw = ucontrol->value.integer.value[0];
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),
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),
290 EXPORT_SYMBOL_GPL(wm_adsp1_fw_controls);
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),
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]),
326 EXPORT_SYMBOL_GPL(wm_adsp2_fw_controls);
329 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
334 for (i = 0; i < dsp->num_mems; i++)
335 if (dsp->mem[i].type == type)
341 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
344 switch (region->type) {
346 return region->base + (offset * 3);
348 return region->base + (offset * 2);
350 return region->base + (offset * 2);
352 return region->base + (offset * 2);
354 return region->base + (offset * 2);
356 WARN_ON(NULL != "Unknown memory region type");
361 static int wm_coeff_info(struct snd_kcontrol *kcontrol,
362 struct snd_ctl_elem_info *uinfo)
364 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
366 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
367 uinfo->count = ctl->len;
371 static int wm_coeff_write_control(struct snd_kcontrol *kcontrol,
372 const void *buf, size_t len)
374 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
375 struct wm_adsp_alg_region *region = &ctl->region;
376 const struct wm_adsp_region *mem;
377 struct wm_adsp *adsp = ctl->adsp;
382 mem = wm_adsp_find_region(adsp, region->type);
384 adsp_err(adsp, "No base for region %x\n",
389 reg = ctl->region.base;
390 reg = wm_adsp_region_to_reg(mem, reg);
392 scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA);
396 ret = regmap_raw_write(adsp->regmap, reg, scratch,
399 adsp_err(adsp, "Failed to write %zu bytes to %x: %d\n",
404 adsp_dbg(adsp, "Wrote %zu bytes to %x\n", ctl->len, reg);
411 static int wm_coeff_put(struct snd_kcontrol *kcontrol,
412 struct snd_ctl_elem_value *ucontrol)
414 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
415 char *p = ucontrol->value.bytes.data;
417 memcpy(ctl->cache, p, ctl->len);
424 return wm_coeff_write_control(kcontrol, p, ctl->len);
427 static int wm_coeff_read_control(struct snd_kcontrol *kcontrol,
428 void *buf, size_t len)
430 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
431 struct wm_adsp_alg_region *region = &ctl->region;
432 const struct wm_adsp_region *mem;
433 struct wm_adsp *adsp = ctl->adsp;
438 mem = wm_adsp_find_region(adsp, region->type);
440 adsp_err(adsp, "No base for region %x\n",
445 reg = ctl->region.base;
446 reg = wm_adsp_region_to_reg(mem, reg);
448 scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA);
452 ret = regmap_raw_read(adsp->regmap, reg, scratch, ctl->len);
454 adsp_err(adsp, "Failed to read %zu bytes from %x: %d\n",
459 adsp_dbg(adsp, "Read %zu bytes from %x\n", ctl->len, reg);
461 memcpy(buf, scratch, ctl->len);
467 static int wm_coeff_get(struct snd_kcontrol *kcontrol,
468 struct snd_ctl_elem_value *ucontrol)
470 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
471 char *p = ucontrol->value.bytes.data;
473 memcpy(p, ctl->cache, ctl->len);
477 struct wmfw_ctl_work {
478 struct wm_adsp *adsp;
479 struct wm_coeff_ctl *ctl;
480 struct work_struct work;
483 static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl)
485 struct snd_kcontrol_new *kcontrol;
488 if (!ctl || !ctl->name)
491 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
494 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
496 kcontrol->name = ctl->name;
497 kcontrol->info = wm_coeff_info;
498 kcontrol->get = wm_coeff_get;
499 kcontrol->put = wm_coeff_put;
500 kcontrol->private_value = (unsigned long)ctl;
502 ret = snd_soc_add_card_controls(adsp->card,
509 ctl->kcontrol = snd_soc_card_get_kcontrol(adsp->card,
512 list_add(&ctl->list, &adsp->ctl_list);
520 static int wm_adsp_load(struct wm_adsp *dsp)
523 const struct firmware *firmware;
524 struct regmap *regmap = dsp->regmap;
525 unsigned int pos = 0;
526 const struct wmfw_header *header;
527 const struct wmfw_adsp1_sizes *adsp1_sizes;
528 const struct wmfw_adsp2_sizes *adsp2_sizes;
529 const struct wmfw_footer *footer;
530 const struct wmfw_region *region;
531 const struct wm_adsp_region *mem;
532 const char *region_name;
534 struct wm_adsp_buf *buf;
537 int ret, offset, type, sizes;
539 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
543 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
544 wm_adsp_fw[dsp->fw].file);
545 file[PAGE_SIZE - 1] = '\0';
547 ret = request_firmware(&firmware, file, dsp->dev);
549 adsp_err(dsp, "Failed to request '%s'\n", file);
554 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
555 if (pos >= firmware->size) {
556 adsp_err(dsp, "%s: file too short, %zu bytes\n",
557 file, firmware->size);
561 header = (void*)&firmware->data[0];
563 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
564 adsp_err(dsp, "%s: invalid magic\n", file);
568 if (header->ver != 0) {
569 adsp_err(dsp, "%s: unknown file format %d\n",
573 adsp_info(dsp, "Firmware version: %d\n", header->ver);
575 if (header->core != dsp->type) {
576 adsp_err(dsp, "%s: invalid core %d != %d\n",
577 file, header->core, dsp->type);
583 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
584 adsp1_sizes = (void *)&(header[1]);
585 footer = (void *)&(adsp1_sizes[1]);
586 sizes = sizeof(*adsp1_sizes);
588 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
589 file, le32_to_cpu(adsp1_sizes->dm),
590 le32_to_cpu(adsp1_sizes->pm),
591 le32_to_cpu(adsp1_sizes->zm));
595 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
596 adsp2_sizes = (void *)&(header[1]);
597 footer = (void *)&(adsp2_sizes[1]);
598 sizes = sizeof(*adsp2_sizes);
600 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
601 file, le32_to_cpu(adsp2_sizes->xm),
602 le32_to_cpu(adsp2_sizes->ym),
603 le32_to_cpu(adsp2_sizes->pm),
604 le32_to_cpu(adsp2_sizes->zm));
608 BUG_ON(NULL == "Unknown DSP type");
612 if (le32_to_cpu(header->len) != sizeof(*header) +
613 sizes + sizeof(*footer)) {
614 adsp_err(dsp, "%s: unexpected header length %d\n",
615 file, le32_to_cpu(header->len));
619 adsp_dbg(dsp, "%s: timestamp %llu\n", file,
620 le64_to_cpu(footer->timestamp));
622 while (pos < firmware->size &&
623 pos - firmware->size > sizeof(*region)) {
624 region = (void *)&(firmware->data[pos]);
625 region_name = "Unknown";
628 offset = le32_to_cpu(region->offset) & 0xffffff;
629 type = be32_to_cpu(region->type) & 0xff;
630 mem = wm_adsp_find_region(dsp, type);
634 region_name = "Firmware name";
635 text = kzalloc(le32_to_cpu(region->len) + 1,
639 region_name = "Information";
640 text = kzalloc(le32_to_cpu(region->len) + 1,
644 region_name = "Absolute";
650 reg = wm_adsp_region_to_reg(mem, offset);
655 reg = wm_adsp_region_to_reg(mem, offset);
660 reg = wm_adsp_region_to_reg(mem, offset);
665 reg = wm_adsp_region_to_reg(mem, offset);
670 reg = wm_adsp_region_to_reg(mem, offset);
674 "%s.%d: Unknown region type %x at %d(%x)\n",
675 file, regions, type, pos, pos);
679 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
680 regions, le32_to_cpu(region->len), offset,
684 memcpy(text, region->data, le32_to_cpu(region->len));
685 adsp_info(dsp, "%s: %s\n", file, text);
690 buf = wm_adsp_buf_alloc(region->data,
691 le32_to_cpu(region->len),
694 adsp_err(dsp, "Out of memory\n");
699 ret = regmap_raw_write_async(regmap, reg, buf->buf,
700 le32_to_cpu(region->len));
703 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
705 le32_to_cpu(region->len), offset,
711 pos += le32_to_cpu(region->len) + sizeof(*region);
715 ret = regmap_async_complete(regmap);
717 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
721 if (pos > firmware->size)
722 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
723 file, regions, pos - firmware->size);
726 regmap_async_complete(regmap);
727 wm_adsp_buf_free(&buf_list);
728 release_firmware(firmware);
735 static int wm_coeff_init_control_caches(struct wm_adsp *adsp)
737 struct wm_coeff_ctl *ctl;
740 list_for_each_entry(ctl, &adsp->ctl_list, list) {
741 if (!ctl->enabled || ctl->set)
743 ret = wm_coeff_read_control(ctl->kcontrol,
753 static int wm_coeff_sync_controls(struct wm_adsp *adsp)
755 struct wm_coeff_ctl *ctl;
758 list_for_each_entry(ctl, &adsp->ctl_list, list) {
762 ret = wm_coeff_write_control(ctl->kcontrol,
773 static void wm_adsp_ctl_work(struct work_struct *work)
775 struct wmfw_ctl_work *ctl_work = container_of(work,
776 struct wmfw_ctl_work,
779 wmfw_add_ctl(ctl_work->adsp, ctl_work->ctl);
783 static int wm_adsp_create_control(struct wm_adsp *dsp,
784 const struct wm_adsp_alg_region *region)
787 struct wm_coeff_ctl *ctl;
788 struct wmfw_ctl_work *ctl_work;
793 name = kmalloc(PAGE_SIZE, GFP_KERNEL);
797 switch (region->type) {
818 snprintf(name, PAGE_SIZE, "DSP%d %s %x",
819 dsp->num, region_name, region->alg);
821 list_for_each_entry(ctl, &dsp->ctl_list,
823 if (!strcmp(ctl->name, name)) {
830 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
835 ctl->region = *region;
836 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
843 ctl->ops.xget = wm_coeff_get;
844 ctl->ops.xput = wm_coeff_put;
847 ctl->len = region->len;
848 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
854 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
860 ctl_work->adsp = dsp;
862 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
863 schedule_work(&ctl_work->work);
881 static int wm_adsp_setup_algs(struct wm_adsp *dsp)
883 struct regmap *regmap = dsp->regmap;
884 struct wmfw_adsp1_id_hdr adsp1_id;
885 struct wmfw_adsp2_id_hdr adsp2_id;
886 struct wmfw_adsp1_alg_hdr *adsp1_alg;
887 struct wmfw_adsp2_alg_hdr *adsp2_alg;
889 struct wm_adsp_alg_region *region;
890 const struct wm_adsp_region *mem;
891 unsigned int pos, term;
892 size_t algs, buf_size;
898 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
901 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
915 ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
918 adsp_err(dsp, "Failed to read algorithm info: %d\n",
924 buf_size = sizeof(adsp1_id);
926 algs = be32_to_cpu(adsp1_id.algs);
927 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
928 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
930 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
931 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
932 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
935 region = kzalloc(sizeof(*region), GFP_KERNEL);
938 region->type = WMFW_ADSP1_ZM;
939 region->alg = be32_to_cpu(adsp1_id.fw.id);
940 region->base = be32_to_cpu(adsp1_id.zm);
941 list_add_tail(®ion->list, &dsp->alg_regions);
943 region = kzalloc(sizeof(*region), GFP_KERNEL);
946 region->type = WMFW_ADSP1_DM;
947 region->alg = be32_to_cpu(adsp1_id.fw.id);
948 region->base = be32_to_cpu(adsp1_id.dm);
949 list_add_tail(®ion->list, &dsp->alg_regions);
951 pos = sizeof(adsp1_id) / 2;
952 term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
956 ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
959 adsp_err(dsp, "Failed to read algorithm info: %d\n",
965 buf_size = sizeof(adsp2_id);
967 algs = be32_to_cpu(adsp2_id.algs);
968 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
969 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
971 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
972 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
973 be32_to_cpu(adsp2_id.fw.ver) & 0xff,
976 region = kzalloc(sizeof(*region), GFP_KERNEL);
979 region->type = WMFW_ADSP2_XM;
980 region->alg = be32_to_cpu(adsp2_id.fw.id);
981 region->base = be32_to_cpu(adsp2_id.xm);
982 list_add_tail(®ion->list, &dsp->alg_regions);
984 region = kzalloc(sizeof(*region), GFP_KERNEL);
987 region->type = WMFW_ADSP2_YM;
988 region->alg = be32_to_cpu(adsp2_id.fw.id);
989 region->base = be32_to_cpu(adsp2_id.ym);
990 list_add_tail(®ion->list, &dsp->alg_regions);
992 region = kzalloc(sizeof(*region), GFP_KERNEL);
995 region->type = WMFW_ADSP2_ZM;
996 region->alg = be32_to_cpu(adsp2_id.fw.id);
997 region->base = be32_to_cpu(adsp2_id.zm);
998 list_add_tail(®ion->list, &dsp->alg_regions);
1000 pos = sizeof(adsp2_id) / 2;
1001 term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
1005 BUG_ON(NULL == "Unknown DSP type");
1010 adsp_err(dsp, "No algorithms\n");
1015 adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
1016 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
1021 /* Read the terminator first to validate the length */
1022 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
1024 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1029 if (be32_to_cpu(val) != 0xbedead)
1030 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1031 term, be32_to_cpu(val));
1033 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
1037 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
1039 adsp_err(dsp, "Failed to read algorithm list: %d\n",
1047 for (i = 0; i < algs; i++) {
1048 switch (dsp->type) {
1050 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1051 i, be32_to_cpu(adsp1_alg[i].alg.id),
1052 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1053 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1054 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1055 be32_to_cpu(adsp1_alg[i].dm),
1056 be32_to_cpu(adsp1_alg[i].zm));
1058 region = kzalloc(sizeof(*region), GFP_KERNEL);
1061 region->type = WMFW_ADSP1_DM;
1062 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1063 region->base = be32_to_cpu(adsp1_alg[i].dm);
1065 list_add_tail(®ion->list, &dsp->alg_regions);
1067 region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
1068 region->len -= be32_to_cpu(adsp1_alg[i].dm);
1069 wm_adsp_create_control(dsp, region);
1071 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1072 be32_to_cpu(adsp1_alg[i].alg.id));
1075 region = kzalloc(sizeof(*region), GFP_KERNEL);
1078 region->type = WMFW_ADSP1_ZM;
1079 region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
1080 region->base = be32_to_cpu(adsp1_alg[i].zm);
1082 list_add_tail(®ion->list, &dsp->alg_regions);
1084 region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
1085 region->len -= be32_to_cpu(adsp1_alg[i].zm);
1086 wm_adsp_create_control(dsp, region);
1088 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1089 be32_to_cpu(adsp1_alg[i].alg.id));
1095 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1096 i, be32_to_cpu(adsp2_alg[i].alg.id),
1097 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1098 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1099 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1100 be32_to_cpu(adsp2_alg[i].xm),
1101 be32_to_cpu(adsp2_alg[i].ym),
1102 be32_to_cpu(adsp2_alg[i].zm));
1104 region = kzalloc(sizeof(*region), GFP_KERNEL);
1107 region->type = WMFW_ADSP2_XM;
1108 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1109 region->base = be32_to_cpu(adsp2_alg[i].xm);
1111 list_add_tail(®ion->list, &dsp->alg_regions);
1113 region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
1114 region->len -= be32_to_cpu(adsp2_alg[i].xm);
1115 wm_adsp_create_control(dsp, region);
1117 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1118 be32_to_cpu(adsp2_alg[i].alg.id));
1121 region = kzalloc(sizeof(*region), GFP_KERNEL);
1124 region->type = WMFW_ADSP2_YM;
1125 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1126 region->base = be32_to_cpu(adsp2_alg[i].ym);
1128 list_add_tail(®ion->list, &dsp->alg_regions);
1130 region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
1131 region->len -= be32_to_cpu(adsp2_alg[i].ym);
1132 wm_adsp_create_control(dsp, region);
1134 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1135 be32_to_cpu(adsp2_alg[i].alg.id));
1138 region = kzalloc(sizeof(*region), GFP_KERNEL);
1141 region->type = WMFW_ADSP2_ZM;
1142 region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
1143 region->base = be32_to_cpu(adsp2_alg[i].zm);
1145 list_add_tail(®ion->list, &dsp->alg_regions);
1147 region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
1148 region->len -= be32_to_cpu(adsp2_alg[i].zm);
1149 wm_adsp_create_control(dsp, region);
1151 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1152 be32_to_cpu(adsp2_alg[i].alg.id));
1163 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1165 LIST_HEAD(buf_list);
1166 struct regmap *regmap = dsp->regmap;
1167 struct wmfw_coeff_hdr *hdr;
1168 struct wmfw_coeff_item *blk;
1169 const struct firmware *firmware;
1170 const struct wm_adsp_region *mem;
1171 struct wm_adsp_alg_region *alg_region;
1172 const char *region_name;
1173 int ret, pos, blocks, type, offset, reg;
1175 struct wm_adsp_buf *buf;
1178 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1182 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1183 wm_adsp_fw[dsp->fw].file);
1184 file[PAGE_SIZE - 1] = '\0';
1186 ret = request_firmware(&firmware, file, dsp->dev);
1188 adsp_warn(dsp, "Failed to request '%s'\n", file);
1194 if (sizeof(*hdr) >= firmware->size) {
1195 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1196 file, firmware->size);
1200 hdr = (void*)&firmware->data[0];
1201 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1202 adsp_err(dsp, "%s: invalid magic\n", file);
1206 switch (be32_to_cpu(hdr->rev) & 0xff) {
1210 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1211 file, be32_to_cpu(hdr->rev) & 0xff);
1216 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1217 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1218 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
1219 le32_to_cpu(hdr->ver) & 0xff);
1221 pos = le32_to_cpu(hdr->len);
1224 while (pos < firmware->size &&
1225 pos - firmware->size > sizeof(*blk)) {
1226 blk = (void*)(&firmware->data[pos]);
1228 type = le16_to_cpu(blk->type);
1229 offset = le16_to_cpu(blk->offset);
1231 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1232 file, blocks, le32_to_cpu(blk->id),
1233 (le32_to_cpu(blk->ver) >> 16) & 0xff,
1234 (le32_to_cpu(blk->ver) >> 8) & 0xff,
1235 le32_to_cpu(blk->ver) & 0xff);
1236 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1237 file, blocks, le32_to_cpu(blk->len), offset, type);
1240 region_name = "Unknown";
1242 case (WMFW_NAME_TEXT << 8):
1243 case (WMFW_INFO_TEXT << 8):
1245 case (WMFW_ABSOLUTE << 8):
1247 * Old files may use this for global
1250 if (le32_to_cpu(blk->id) == dsp->fw_id &&
1252 region_name = "global coefficients";
1253 mem = wm_adsp_find_region(dsp, type);
1255 adsp_err(dsp, "No ZM\n");
1258 reg = wm_adsp_region_to_reg(mem, 0);
1261 region_name = "register";
1270 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1271 file, blocks, le32_to_cpu(blk->len),
1272 type, le32_to_cpu(blk->id));
1274 mem = wm_adsp_find_region(dsp, type);
1276 adsp_err(dsp, "No base for region %x\n", type);
1281 list_for_each_entry(alg_region,
1282 &dsp->alg_regions, list) {
1283 if (le32_to_cpu(blk->id) == alg_region->alg &&
1284 type == alg_region->type) {
1285 reg = alg_region->base;
1286 reg = wm_adsp_region_to_reg(mem,
1293 adsp_err(dsp, "No %x for algorithm %x\n",
1294 type, le32_to_cpu(blk->id));
1298 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1299 file, blocks, type, pos);
1304 buf = wm_adsp_buf_alloc(blk->data,
1305 le32_to_cpu(blk->len),
1308 adsp_err(dsp, "Out of memory\n");
1313 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1314 file, blocks, le32_to_cpu(blk->len),
1316 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1317 le32_to_cpu(blk->len));
1320 "%s.%d: Failed to write to %x in %s: %d\n",
1321 file, blocks, reg, region_name, ret);
1325 tmp = le32_to_cpu(blk->len) % 4;
1327 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk);
1329 pos += le32_to_cpu(blk->len) + sizeof(*blk);
1334 ret = regmap_async_complete(regmap);
1336 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1338 if (pos > firmware->size)
1339 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1340 file, blocks, pos - firmware->size);
1343 release_firmware(firmware);
1344 wm_adsp_buf_free(&buf_list);
1350 int wm_adsp1_init(struct wm_adsp *adsp)
1352 INIT_LIST_HEAD(&adsp->alg_regions);
1356 EXPORT_SYMBOL_GPL(wm_adsp1_init);
1358 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1359 struct snd_kcontrol *kcontrol,
1362 struct snd_soc_codec *codec = w->codec;
1363 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1364 struct wm_adsp *dsp = &dsps[w->shift];
1365 struct wm_adsp_alg_region *alg_region;
1366 struct wm_coeff_ctl *ctl;
1370 dsp->card = codec->card;
1373 case SND_SOC_DAPM_POST_PMU:
1374 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1375 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
1378 * For simplicity set the DSP clock rate to be the
1379 * SYSCLK rate rather than making it configurable.
1381 if(dsp->sysclk_reg) {
1382 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1384 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1389 val = (val & dsp->sysclk_mask)
1390 >> dsp->sysclk_shift;
1392 ret = regmap_update_bits(dsp->regmap,
1393 dsp->base + ADSP1_CONTROL_31,
1394 ADSP1_CLK_SEL_MASK, val);
1396 adsp_err(dsp, "Failed to set clock rate: %d\n",
1402 ret = wm_adsp_load(dsp);
1406 ret = wm_adsp_setup_algs(dsp);
1410 ret = wm_adsp_load_coeff(dsp);
1414 /* Initialize caches for enabled and unset controls */
1415 ret = wm_coeff_init_control_caches(dsp);
1419 /* Sync set controls */
1420 ret = wm_coeff_sync_controls(dsp);
1424 /* Start the core running */
1425 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1426 ADSP1_CORE_ENA | ADSP1_START,
1427 ADSP1_CORE_ENA | ADSP1_START);
1430 case SND_SOC_DAPM_PRE_PMD:
1432 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1433 ADSP1_CORE_ENA | ADSP1_START, 0);
1435 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
1436 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
1438 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1441 list_for_each_entry(ctl, &dsp->ctl_list, list)
1444 while (!list_empty(&dsp->alg_regions)) {
1445 alg_region = list_first_entry(&dsp->alg_regions,
1446 struct wm_adsp_alg_region,
1448 list_del(&alg_region->list);
1460 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1464 EXPORT_SYMBOL_GPL(wm_adsp1_event);
1466 static int wm_adsp2_ena(struct wm_adsp *dsp)
1471 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1472 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
1476 /* Wait for the RAM to start, should be near instantaneous */
1479 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
1483 } while (!(val & ADSP2_RAM_RDY) && ++count < 10);
1485 if (!(val & ADSP2_RAM_RDY)) {
1486 adsp_err(dsp, "Failed to start DSP RAM\n");
1490 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
1491 adsp_info(dsp, "RAM ready after %d polls\n", count);
1496 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
1497 struct snd_kcontrol *kcontrol, int event)
1499 struct snd_soc_codec *codec = w->codec;
1500 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1501 struct wm_adsp *dsp = &dsps[w->shift];
1502 struct wm_adsp_alg_region *alg_region;
1503 struct wm_coeff_ctl *ctl;
1507 dsp->card = codec->card;
1510 case SND_SOC_DAPM_POST_PMU:
1512 * For simplicity set the DSP clock rate to be the
1513 * SYSCLK rate rather than making it configurable.
1515 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
1517 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
1521 val = (val & ARIZONA_SYSCLK_FREQ_MASK)
1522 >> ARIZONA_SYSCLK_FREQ_SHIFT;
1524 ret = regmap_update_bits(dsp->regmap,
1525 dsp->base + ADSP2_CLOCKING,
1526 ADSP2_CLK_SEL_MASK, val);
1528 adsp_err(dsp, "Failed to set clock rate: %d\n",
1534 ret = regmap_read(dsp->regmap,
1535 dsp->base + ADSP2_CLOCKING, &val);
1538 "Failed to read clocking: %d\n", ret);
1542 if ((val & ADSP2_CLK_SEL_MASK) >= 3) {
1543 ret = regulator_enable(dsp->dvfs);
1546 "Failed to enable supply: %d\n",
1551 ret = regulator_set_voltage(dsp->dvfs,
1556 "Failed to raise supply: %d\n",
1563 ret = wm_adsp2_ena(dsp);
1567 ret = wm_adsp_load(dsp);
1571 ret = wm_adsp_setup_algs(dsp);
1575 ret = wm_adsp_load_coeff(dsp);
1579 /* Initialize caches for enabled and unset controls */
1580 ret = wm_coeff_init_control_caches(dsp);
1584 /* Sync set controls */
1585 ret = wm_coeff_sync_controls(dsp);
1589 ret = regmap_update_bits(dsp->regmap,
1590 dsp->base + ADSP2_CONTROL,
1591 ADSP2_CORE_ENA | ADSP2_START,
1592 ADSP2_CORE_ENA | ADSP2_START);
1596 dsp->running = true;
1599 case SND_SOC_DAPM_PRE_PMD:
1600 dsp->running = false;
1602 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1603 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
1606 /* Make sure DMAs are quiesced */
1607 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
1608 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
1609 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
1612 ret = regulator_set_voltage(dsp->dvfs, 1200000,
1616 "Failed to lower supply: %d\n",
1619 ret = regulator_disable(dsp->dvfs);
1622 "Failed to enable supply: %d\n",
1626 list_for_each_entry(ctl, &dsp->ctl_list, list)
1629 while (!list_empty(&dsp->alg_regions)) {
1630 alg_region = list_first_entry(&dsp->alg_regions,
1631 struct wm_adsp_alg_region,
1633 list_del(&alg_region->list);
1644 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
1645 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
1648 EXPORT_SYMBOL_GPL(wm_adsp2_event);
1650 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
1655 * Disable the DSP memory by default when in reset for a small
1658 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL,
1661 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret);
1665 INIT_LIST_HEAD(&adsp->alg_regions);
1666 INIT_LIST_HEAD(&adsp->ctl_list);
1669 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
1670 if (IS_ERR(adsp->dvfs)) {
1671 ret = PTR_ERR(adsp->dvfs);
1672 dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
1676 ret = regulator_enable(adsp->dvfs);
1678 dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
1683 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
1685 dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
1690 ret = regulator_disable(adsp->dvfs);
1692 dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
1700 EXPORT_SYMBOL_GPL(wm_adsp2_init);