diff options
Diffstat (limited to 'sound/soc/pxa/tavorevb3.c')
-rw-r--r-- | sound/soc/pxa/tavorevb3.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/sound/soc/pxa/tavorevb3.c b/sound/soc/pxa/tavorevb3.c new file mode 100644 index 000000000000..248c283fc4df --- /dev/null +++ b/sound/soc/pxa/tavorevb3.c | |||
@@ -0,0 +1,200 @@ | |||
1 | /* | ||
2 | * tavorevb3.c -- SoC audio for Tavor EVB3 | ||
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 | |||
29 | static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd); | ||
30 | |||
31 | static struct platform_device *evb3_snd_device; | ||
32 | |||
33 | static struct snd_soc_jack hs_jack, mic_jack; | ||
34 | |||
35 | static struct snd_soc_jack_pin hs_jack_pins[] = { | ||
36 | { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, }, | ||
37 | }; | ||
38 | |||
39 | static struct snd_soc_jack_pin mic_jack_pins[] = { | ||
40 | { .pin = "Headset Mic 2", .mask = SND_JACK_MICROPHONE, }, | ||
41 | }; | ||
42 | |||
43 | /* tavorevb3 machine dapm widgets */ | ||
44 | static const struct snd_soc_dapm_widget evb3_dapm_widgets[] = { | ||
45 | SND_SOC_DAPM_HP("Headset 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 2", NULL), | ||
51 | SND_SOC_DAPM_MIC("Ext Mic 3", NULL), | ||
52 | }; | ||
53 | |||
54 | /* tavorevb3 machine audio map */ | ||
55 | static 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 | |||
78 | static int evb3_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 | |||
101 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | | ||
102 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); | ||
103 | if (ret < 0) | ||
104 | return ret; | ||
105 | |||
106 | ret = snd_soc_dai_set_tdm_slot(cpu_dai, 3, 3, 2, width); | ||
107 | return ret; | ||
108 | } | ||
109 | |||
110 | static struct snd_soc_ops evb3_i2s_ops = { | ||
111 | .hw_params = evb3_i2s_hw_params, | ||
112 | }; | ||
113 | |||
114 | static struct snd_soc_dai_link evb3_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 = evb3_pm860x_init, | ||
123 | .ops = &evb3_i2s_ops, | ||
124 | }, | ||
125 | }; | ||
126 | |||
127 | static struct snd_soc_card snd_soc_card_evb3 = { | ||
128 | .name = "Tavor EVB3", | ||
129 | .dai_link = evb3_dai, | ||
130 | .num_links = ARRAY_SIZE(evb3_dai), | ||
131 | }; | ||
132 | |||
133 | static int evb3_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, evb3_dapm_widgets, | ||
139 | ARRAY_SIZE(evb3_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 | |||
171 | static int __init tavorevb3_init(void) | ||
172 | { | ||
173 | int ret; | ||
174 | |||
175 | if (!machine_is_tavorevb3()) | ||
176 | return -ENODEV; | ||
177 | evb3_snd_device = platform_device_alloc("soc-audio", -1); | ||
178 | if (!evb3_snd_device) | ||
179 | return -ENOMEM; | ||
180 | |||
181 | platform_set_drvdata(evb3_snd_device, &snd_soc_card_evb3); | ||
182 | |||
183 | ret = platform_device_add(evb3_snd_device); | ||
184 | if (ret) | ||
185 | platform_device_put(evb3_snd_device); | ||
186 | |||
187 | return ret; | ||
188 | } | ||
189 | |||
190 | static void __exit tavorevb3_exit(void) | ||
191 | { | ||
192 | platform_device_unregister(evb3_snd_device); | ||
193 | } | ||
194 | |||
195 | module_init(tavorevb3_init); | ||
196 | module_exit(tavorevb3_exit); | ||
197 | |||
198 | MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); | ||
199 | MODULE_DESCRIPTION("ALSA SoC 88PM860x Tavor EVB3"); | ||
200 | MODULE_LICENSE("GPL"); | ||