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
|
// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI HW Gain Control
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
#include <linux/regmap.h>
#include "mt8186-afe-common.h"
#include "mt8186-interconnection.h"
#define HW_GAIN_1_EN_W_NAME "HW GAIN 1 Enable"
#define HW_GAIN_2_EN_W_NAME "HW GAIN 2 Enable"
/* dai component */
static const struct snd_kcontrol_new mtk_hw_gain1_in_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("CONNSYS_I2S_CH1 Switch", AFE_CONN13_1,
I_CONNSYS_I2S_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_hw_gain1_in_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("CONNSYS_I2S_CH2 Switch", AFE_CONN14_1,
I_CONNSYS_I2S_CH2, 1, 0),
};
static const struct snd_kcontrol_new mtk_hw_gain2_in_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN15,
I_ADDA_UL_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_hw_gain2_in_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN16,
I_ADDA_UL_CH2, 1, 0),
};
static int mtk_hw_gain_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
unsigned int gain_cur;
unsigned int gain_con1;
dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n",
__func__, w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (strcmp(w->name, HW_GAIN_1_EN_W_NAME) == 0) {
gain_cur = AFE_GAIN1_CUR;
gain_con1 = AFE_GAIN1_CON1;
} else {
gain_cur = AFE_GAIN2_CUR;
gain_con1 = AFE_GAIN2_CON1;
}
/* let hw gain ramp up, set cur gain to 0 */
regmap_update_bits(afe->regmap, gain_cur, AFE_GAIN1_CUR_MASK_SFT, 0);
/* set target gain to 0 */
regmap_update_bits(afe->regmap, gain_con1, GAIN1_TARGET_MASK_SFT, 0);
break;
default:
break;
}
return 0;
}
static const struct snd_soc_dapm_widget mtk_dai_hw_gain_widgets[] = {
/* inter-connections */
SND_SOC_DAPM_MIXER("HW_GAIN1_IN_CH1", SND_SOC_NOPM, 0, 0,
mtk_hw_gain1_in_ch1_mix,
ARRAY_SIZE(mtk_hw_gain1_in_ch1_mix)),
SND_SOC_DAPM_MIXER("HW_GAIN1_IN_CH2", SND_SOC_NOPM, 0, 0,
mtk_hw_gain1_in_ch2_mix,
ARRAY_SIZE(mtk_hw_gain1_in_ch2_mix)),
SND_SOC_DAPM_MIXER("HW_GAIN2_IN_CH1", SND_SOC_NOPM, 0, 0,
mtk_hw_gain2_in_ch1_mix,
ARRAY_SIZE(mtk_hw_gain2_in_ch1_mix)),
SND_SOC_DAPM_MIXER("HW_GAIN2_IN_CH2", SND_SOC_NOPM, 0, 0,
mtk_hw_gain2_in_ch2_mix,
ARRAY_SIZE(mtk_hw_gain2_in_ch2_mix)),
SND_SOC_DAPM_SUPPLY(HW_GAIN_1_EN_W_NAME,
AFE_GAIN1_CON0, GAIN1_ON_SFT, 0,
mtk_hw_gain_event,
SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_SUPPLY(HW_GAIN_2_EN_W_NAME,
AFE_GAIN2_CON0, GAIN2_ON_SFT, 0,
mtk_hw_gain_event,
SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_INPUT("HW Gain 1 Out Endpoint"),
SND_SOC_DAPM_INPUT("HW Gain 2 Out Endpoint"),
SND_SOC_DAPM_OUTPUT("HW Gain 1 In Endpoint"),
};
static const struct snd_soc_dapm_route mtk_dai_hw_gain_routes[] = {
{"HW Gain 1 In", NULL, "HW_GAIN1_IN_CH1"},
{"HW Gain 1 In", NULL, "HW_GAIN1_IN_CH2"},
{"HW Gain 2 In", NULL, "HW_GAIN2_IN_CH1"},
{"HW Gain 2 In", NULL, "HW_GAIN2_IN_CH2"},
{"HW Gain 1 In", NULL, HW_GAIN_1_EN_W_NAME},
{"HW Gain 1 Out", NULL, HW_GAIN_1_EN_W_NAME},
{"HW Gain 2 In", NULL, HW_GAIN_2_EN_W_NAME},
{"HW Gain 2 Out", NULL, HW_GAIN_2_EN_W_NAME},
{"HW Gain 1 In Endpoint", NULL, "HW Gain 1 In"},
{"HW Gain 1 Out", NULL, "HW Gain 1 Out Endpoint"},
{"HW Gain 2 Out", NULL, "HW Gain 2 Out Endpoint"},
};
static const struct snd_kcontrol_new mtk_hw_gain_controls[] = {
SOC_SINGLE("HW Gain 1 Volume", AFE_GAIN1_CON1,
GAIN1_TARGET_SFT, GAIN1_TARGET_MASK, 0),
SOC_SINGLE("HW Gain 2 Volume", AFE_GAIN2_CON1,
GAIN2_TARGET_SFT, GAIN2_TARGET_MASK, 0),
};
/* dai ops */
static int mtk_dai_gain_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
unsigned int rate = params_rate(params);
unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, dai->id);
dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
__func__, dai->id, substream->stream, rate);
/* rate */
regmap_update_bits(afe->regmap,
dai->id == MT8186_DAI_HW_GAIN_1 ?
AFE_GAIN1_CON0 : AFE_GAIN2_CON0,
GAIN1_MODE_MASK_SFT,
rate_reg << GAIN1_MODE_SFT);
/* sample per step */
regmap_update_bits(afe->regmap,
dai->id == MT8186_DAI_HW_GAIN_1 ?
AFE_GAIN1_CON0 : AFE_GAIN2_CON0,
GAIN1_SAMPLE_PER_STEP_MASK_SFT,
(dai->id == MT8186_DAI_HW_GAIN_1 ? 0x40 : 0x0) <<
GAIN1_SAMPLE_PER_STEP_SFT);
return 0;
}
static const struct snd_soc_dai_ops mtk_dai_gain_ops = {
.hw_params = mtk_dai_gain_hw_params,
};
/* dai driver */
#define MTK_HW_GAIN_RATES (SNDRV_PCM_RATE_8000_48000 |\
SNDRV_PCM_RATE_88200 |\
SNDRV_PCM_RATE_96000 |\
SNDRV_PCM_RATE_176400 |\
SNDRV_PCM_RATE_192000)
#define MTK_HW_GAIN_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_driver mtk_dai_gain_driver[] = {
{
.name = "HW Gain 1",
.id = MT8186_DAI_HW_GAIN_1,
.playback = {
.stream_name = "HW Gain 1 In",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_HW_GAIN_RATES,
.formats = MTK_HW_GAIN_FORMATS,
},
.capture = {
.stream_name = "HW Gain 1 Out",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_HW_GAIN_RATES,
.formats = MTK_HW_GAIN_FORMATS,
},
.ops = &mtk_dai_gain_ops,
.symmetric_rate = 1,
.symmetric_channels = 1,
.symmetric_sample_bits = 1,
},
{
.name = "HW Gain 2",
.id = MT8186_DAI_HW_GAIN_2,
.playback = {
.stream_name = "HW Gain 2 In",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_HW_GAIN_RATES,
.formats = MTK_HW_GAIN_FORMATS,
},
.capture = {
.stream_name = "HW Gain 2 Out",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_HW_GAIN_RATES,
.formats = MTK_HW_GAIN_FORMATS,
},
.ops = &mtk_dai_gain_ops,
.symmetric_rate = 1,
.symmetric_channels = 1,
.symmetric_sample_bits = 1,
},
};
int mt8186_dai_hw_gain_register(struct mtk_base_afe *afe)
{
struct mtk_base_afe_dai *dai;
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
if (!dai)
return -ENOMEM;
list_add(&dai->list, &afe->sub_dais);
dai->dai_drivers = mtk_dai_gain_driver;
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_gain_driver);
dai->controls = mtk_hw_gain_controls;
dai->num_controls = ARRAY_SIZE(mtk_hw_gain_controls);
dai->dapm_widgets = mtk_dai_hw_gain_widgets;
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_hw_gain_widgets);
dai->dapm_routes = mtk_dai_hw_gain_routes;
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hw_gain_routes);
return 0;
}
|
