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-rw-r--r--sound/soc/pxa/saarb.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/sound/soc/pxa/saarb.c b/sound/soc/pxa/saarb.c
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1/*
2 * saarb.c -- SoC audio for saarb
3 *
4 * Copyright (C) 2010 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/device.h>
15#include <linux/clk.h>
16#include <linux/i2c.h>
17#include <sound/core.h>
18#include <sound/pcm.h>
19#include <sound/pcm_params.h>
20#include <sound/soc.h>
21#include <sound/soc-dapm.h>
22#include <sound/jack.h>
23
24#include <asm/mach-types.h>
25
26#include "../codecs/88pm860x-codec.h"
27#include "pxa-ssp.h"
28
29static int saarb_pm860x_init(struct snd_soc_pcm_runtime *rtd);
30
31static struct platform_device *saarb_snd_device;
32
33static struct snd_soc_jack hs_jack, mic_jack;
34
35static struct snd_soc_jack_pin hs_jack_pins[] = {
36 { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
37};
38
39static struct snd_soc_jack_pin mic_jack_pins[] = {
40 { .pin = "Headset Mic 2", .mask = SND_JACK_MICROPHONE, },
41};
42
43/* saarb machine dapm widgets */
44static const struct snd_soc_dapm_widget saarb_dapm_widgets[] = {
45 SND_SOC_DAPM_HP("Headphone Stereophone", NULL),
46 SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
47 SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
48 SND_SOC_DAPM_SPK("Ext Speaker", NULL),
49 SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
50 SND_SOC_DAPM_MIC("Headset Mic", NULL),
51 SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
52};
53
54/* saarb machine audio map */
55static const struct snd_soc_dapm_route audio_map[] = {
56 {"Headset Stereophone", NULL, "HS1"},
57 {"Headset Stereophone", NULL, "HS2"},
58
59 {"Ext Speaker", NULL, "LSP"},
60 {"Ext Speaker", NULL, "LSN"},
61
62 {"Lineout Out 1", NULL, "LINEOUT1"},
63 {"Lineout Out 2", NULL, "LINEOUT2"},
64
65 {"MIC1P", NULL, "Mic1 Bias"},
66 {"MIC1N", NULL, "Mic1 Bias"},
67 {"Mic1 Bias", NULL, "Ext Mic 1"},
68
69 {"MIC2P", NULL, "Mic1 Bias"},
70 {"MIC2N", NULL, "Mic1 Bias"},
71 {"Mic1 Bias", NULL, "Headset Mic 2"},
72
73 {"MIC3P", NULL, "Mic3 Bias"},
74 {"MIC3N", NULL, "Mic3 Bias"},
75 {"Mic3 Bias", NULL, "Ext Mic 3"},
76};
77
78static int saarb_i2s_hw_params(struct snd_pcm_substream *substream,
79 struct snd_pcm_hw_params *params)
80{
81 struct snd_soc_pcm_runtime *rtd = substream->private_data;
82 struct snd_soc_dai *codec_dai = rtd->codec_dai;
83 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
84 int width = snd_pcm_format_physical_width(params_format(params));
85 int ret;
86
87 ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_NET_PLL, 0,
88 PM860X_CLK_DIR_OUT);
89 if (ret < 0)
90 return ret;
91
92 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 0, PM860X_CLK_DIR_OUT);
93 if (ret < 0)
94 return ret;
95
96 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
97 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
98 if (ret < 0)
99 return ret;
100 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
101 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
102 if (ret < 0)
103 return ret;
104
105 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 3, 3, 2, width);
106
107 return ret;
108}
109
110static struct snd_soc_ops saarb_i2s_ops = {
111 .hw_params = saarb_i2s_hw_params,
112};
113
114static struct snd_soc_dai_link saarb_dai[] = {
115 {
116 .name = "88PM860x I2S",
117 .stream_name = "I2S Audio",
118 .cpu_dai_name = "pxa-ssp-dai.1",
119 .codec_dai_name = "88pm860x-i2s",
120 .platform_name = "pxa-pcm-audio",
121 .codec_name = "88pm860x-codec",
122 .init = saarb_pm860x_init,
123 .ops = &saarb_i2s_ops,
124 },
125};
126
127static struct snd_soc_card snd_soc_card_saarb = {
128 .name = "Saarb",
129 .dai_link = saarb_dai,
130 .num_links = ARRAY_SIZE(saarb_dai),
131};
132
133static int saarb_pm860x_init(struct snd_soc_pcm_runtime *rtd)
134{
135 struct snd_soc_codec *codec = rtd->codec;
136 int ret;
137
138 snd_soc_dapm_new_controls(codec, saarb_dapm_widgets,
139 ARRAY_SIZE(saarb_dapm_widgets));
140 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
141
142 /* connected pins */
143 snd_soc_dapm_enable_pin(codec, "Ext Speaker");
144 snd_soc_dapm_enable_pin(codec, "Ext Mic 1");
145 snd_soc_dapm_enable_pin(codec, "Ext Mic 3");
146 snd_soc_dapm_disable_pin(codec, "Headset Mic 2");
147 snd_soc_dapm_disable_pin(codec, "Headset Stereophone");
148
149 ret = snd_soc_dapm_sync(codec);
150 if (ret)
151 return ret;
152
153 /* Headset jack detection */
154 snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE
155 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
156 &hs_jack);
157 snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
158 hs_jack_pins);
159 snd_soc_jack_new(codec, "Microphone Jack", SND_JACK_MICROPHONE,
160 &mic_jack);
161 snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
162 mic_jack_pins);
163
164 /* headphone, microphone detection & headset short detection */
165 pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE,
166 SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
167 pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE);
168 return 0;
169}
170
171static int __init saarb_init(void)
172{
173 int ret;
174
175 if (!machine_is_saarb())
176 return -ENODEV;
177 saarb_snd_device = platform_device_alloc("soc-audio", -1);
178 if (!saarb_snd_device)
179 return -ENOMEM;
180
181 platform_set_drvdata(saarb_snd_device, &snd_soc_card_saarb);
182
183 ret = platform_device_add(saarb_snd_device);
184 if (ret)
185 platform_device_put(saarb_snd_device);
186
187 return ret;
188}
189
190static void __exit saarb_exit(void)
191{
192 platform_device_unregister(saarb_snd_device);
193}
194
195module_init(saarb_init);
196module_exit(saarb_exit);
197
198MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
199MODULE_DESCRIPTION("ALSA SoC 88PM860x Saarb");
200MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 06:49:09 -0500