1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Mikko J. Lehto <mikko.lehto@symbio.com>,
* Mikko Sarmanne <mikko.sarmanne@symbio.com>,
* Jarmo K. Kuronen <jarmo.kuronen@symbio.com>
* for ST-Ericsson.
*
* License terms:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/io.h>
#include <sound/soc.h>
#include <linux/regulator/consumer.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <mach/hardware.h>
#include "ux500_pcm.h"
#include "ux500_msp_dai.h"
#include "../codecs/ab8500.h"
#include "ux500_ab8500_accessory.h"
#define AB8500_DAIFMT_TDM_MASTER \
(SND_SOC_DAIFMT_DSP_B | \
SND_SOC_DAIFMT_CBM_CFM | \
SND_SOC_DAIFMT_NB_NF | \
SND_SOC_DAIFMT_CONT)
#define TX_SLOT_MONO 0x0008
#define TX_SLOT_STEREO 0x000a
#define RX_SLOT_MONO 0x0001
#define RX_SLOT_STEREO 0x0003
#define DEF_TX_SLOTS TX_SLOT_STEREO
#define DEF_RX_SLOTS RX_SLOT_MONO
/* Slot configuration */
static unsigned int tx_slots = DEF_TX_SLOTS;
static unsigned int rx_slots = DEF_RX_SLOTS;
/* List the regulators that are to be controlled.. */
static struct regulator_bulk_data ab8500_regus[5] = {
{ .supply = "v-dmic" },
{ .supply = "v-audio" },
{ .supply = "v-amic1" },
{ .supply = "v-amic2" },
{ .supply = "vcc-N2158" }
};
static int create_regulators(struct device *dev)
{
int i, status = 0;
pr_debug("%s: Enter.\n", __func__);
for (i = 0; i < ARRAY_SIZE(ab8500_regus); ++i)
ab8500_regus[i].consumer = NULL;
for (i = 0; i < ARRAY_SIZE(ab8500_regus); ++i) {
ab8500_regus[i].consumer = regulator_get(
dev, ab8500_regus[i].supply);
if (IS_ERR(ab8500_regus[i].consumer)) {
status = PTR_ERR(ab8500_regus[i].consumer);
pr_err("%s: Failed to get supply '%s' (%d)\n",
__func__, ab8500_regus[i].supply, status);
ab8500_regus[i].consumer = NULL;
goto err_get;
}
}
return 0;
err_get:
for (i = 0; i < ARRAY_SIZE(ab8500_regus); ++i) {
if (ab8500_regus[i].consumer) {
regulator_put(ab8500_regus[i].consumer);
ab8500_regus[i].consumer = NULL;
}
}
return status;
}
int enable_regulator(const char *name)
{
int i, status;
for (i = 0; i < ARRAY_SIZE(ab8500_regus); ++i) {
if (strcmp(name, ab8500_regus[i].supply) != 0)
continue;
status = regulator_enable(ab8500_regus[i].consumer);
if (status != 0) {
pr_err("%s: Failure with regulator %s (%d)\n",
__func__, name, status);
return status;
} else {
pr_debug("%s: Enabled regulator %s.\n",
__func__, name);
return 0;
}
}
return -EINVAL;
}
void disable_regulator(const char *name)
{
int i;
for (i = 0; i < ARRAY_SIZE(ab8500_regus); ++i) {
if (strcmp(name, ab8500_regus[i].supply) == 0) {
regulator_disable(ab8500_regus[i].consumer);
pr_debug("%s: Disabled regulator %s.\n",
__func__, name);
return;
}
}
}
int ux500_ab8500_startup(struct snd_pcm_substream *substream)
{
pr_info("%s: Enter\n", __func__);
return 0;
}
void ux500_ab8500_shutdown(struct snd_pcm_substream *substream)
{
pr_info("%s: Enter\n", __func__);
/* Reset slots configuration to default(s) */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
tx_slots = DEF_TX_SLOTS;
else
rx_slots = DEF_RX_SLOTS;
}
int ux500_ab8500_hw_params(
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int channels, ret = 0;
pr_info("%s: Enter\n", __func__);
pr_info("%s: substream->pcm->name = %s\n"
"substream->pcm->id = %s.\n"
"substream->name = %s.\n"
"substream->number = %d.\n",
__func__,
substream->pcm->name,
substream->pcm->id,
substream->name,
substream->number);
ret = snd_soc_dai_set_fmt(codec_dai, AB8500_DAIFMT_TDM_MASTER);
if (ret < 0) {
pr_err("%s: snd_soc_dai_set_fmt failed codec_dai %d.\n",
__func__, ret);
return ret;
}
ret = snd_soc_dai_set_fmt(cpu_dai, AB8500_DAIFMT_TDM_MASTER);
if (ret < 0) {
pr_err("%s: snd_soc_dai_set_fmt cpu_dai %d.\n",
__func__, ret);
return ret;
}
channels = params_channels(params);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (channels == 1)
tx_slots = TX_SLOT_MONO;
else if (channels == 2)
tx_slots = TX_SLOT_STEREO;
else
return -EINVAL;
} else {
if (channels == 1)
rx_slots = RX_SLOT_MONO;
else if (channels == 2)
rx_slots = RX_SLOT_STEREO;
else
return -EINVAL;
}
pr_info("%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n",
__func__, tx_slots, rx_slots);
ret = snd_soc_dai_set_tdm_slot(cpu_dai,
tx_slots, rx_slots,
16, 16);
pr_info("%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n",
__func__, tx_slots, rx_slots);
ret += snd_soc_dai_set_tdm_slot(codec_dai,
tx_slots, rx_slots,
16, 16);
return ret;
}
static int regulator_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
if (SND_SOC_DAPM_EVENT_ON(event))
enable_regulator(w->name);
else
disable_regulator(w->name);
return 0;
}
static const struct snd_soc_dapm_widget dapm_widgets[] = {
SND_SOC_DAPM_MIC("v-dmic", regulator_event),
SND_SOC_DAPM_MIC("v-amic1", regulator_event),
SND_SOC_DAPM_MIC("v-amic2", regulator_event),
SND_SOC_DAPM_MIC("vcc-N2158", regulator_event),
};
static const struct snd_soc_dapm_route dapm_routes[] = {
{"MIC1A", NULL, "v-amic1"},
{"MIC1B", NULL, "vcc-N2158"},
{"vcc-N2158", NULL, "v-amic1"},
{"MIC2", NULL, "v-amic2"},
{"DMIC1", NULL, "v-dmic"},
{"DMIC2", NULL, "v-dmic"},
{"DMIC3", NULL, "v-dmic"},
{"DMIC4", NULL, "v-dmic"},
{"DMIC5", NULL, "v-dmic"},
{"DMIC6", NULL, "v-dmic"},
};
int ux500_ab8500_machine_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
int status = 0;
pr_info("%s: Enter.\n", __func__);
status = create_regulators(codec->dev);
if (status < 0) {
pr_err("%s: Failed to instantiate regulators (%d).\n",
__func__, status);
return status;
}
/*
status = ab8500_accessory_init(rtd->codec);
if (status < 0) {
pr_err("%s: Failed to initialize accessories (%d).\n",
__func__, status);
return status;
}
*/
snd_soc_dapm_new_controls(codec, dapm_widgets,
ARRAY_SIZE(dapm_widgets));
snd_soc_dapm_add_routes(codec, dapm_routes,
ARRAY_SIZE(dapm_routes));
snd_soc_dapm_sync(codec);
return status;
}
void ux500_ab8500_soc_machine_drv_cleanup(void)
{
pr_info("%s: Enter.\n", __func__);
/*
ab8500_accessory_cleanup();
*/
regulator_bulk_free(ARRAY_SIZE(ab8500_regus), ab8500_regus);
}
struct snd_soc_ops ux500_ab8500_ops[] = {
{
.hw_params = ux500_ab8500_hw_params,
.startup = ux500_ab8500_startup,
.shutdown = ux500_ab8500_shutdown,
}
};
|
