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b0547a70 HZ |
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> | |
b0547a70 HZ |
21 | #include <sound/jack.h> |
22 | ||
23 | #include <asm/mach-types.h> | |
24 | ||
25 | #include "../codecs/88pm860x-codec.h" | |
26 | #include "pxa-ssp.h" | |
27 | ||
28 | static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd); | |
29 | ||
30 | static struct platform_device *evb3_snd_device; | |
31 | ||
32 | static struct snd_soc_jack hs_jack, mic_jack; | |
33 | ||
34 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
35 | { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, }, | |
36 | }; | |
37 | ||
38 | static struct snd_soc_jack_pin mic_jack_pins[] = { | |
39 | { .pin = "Headset Mic 2", .mask = SND_JACK_MICROPHONE, }, | |
40 | }; | |
41 | ||
42 | /* tavorevb3 machine dapm widgets */ | |
43 | static const struct snd_soc_dapm_widget evb3_dapm_widgets[] = { | |
44 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
45 | SND_SOC_DAPM_LINE("Lineout Out 1", NULL), | |
46 | SND_SOC_DAPM_LINE("Lineout Out 2", NULL), | |
47 | SND_SOC_DAPM_SPK("Ext Speaker", NULL), | |
48 | SND_SOC_DAPM_MIC("Ext Mic 1", NULL), | |
49 | SND_SOC_DAPM_MIC("Headset Mic 2", NULL), | |
50 | SND_SOC_DAPM_MIC("Ext Mic 3", NULL), | |
51 | }; | |
52 | ||
53 | /* tavorevb3 machine audio map */ | |
54 | static const struct snd_soc_dapm_route audio_map[] = { | |
55 | {"Headset Stereophone", NULL, "HS1"}, | |
56 | {"Headset Stereophone", NULL, "HS2"}, | |
57 | ||
58 | {"Ext Speaker", NULL, "LSP"}, | |
59 | {"Ext Speaker", NULL, "LSN"}, | |
60 | ||
61 | {"Lineout Out 1", NULL, "LINEOUT1"}, | |
62 | {"Lineout Out 2", NULL, "LINEOUT2"}, | |
63 | ||
64 | {"MIC1P", NULL, "Mic1 Bias"}, | |
65 | {"MIC1N", NULL, "Mic1 Bias"}, | |
66 | {"Mic1 Bias", NULL, "Ext Mic 1"}, | |
67 | ||
68 | {"MIC2P", NULL, "Mic1 Bias"}, | |
69 | {"MIC2N", NULL, "Mic1 Bias"}, | |
70 | {"Mic1 Bias", NULL, "Headset Mic 2"}, | |
71 | ||
72 | {"MIC3P", NULL, "Mic3 Bias"}, | |
73 | {"MIC3N", NULL, "Mic3 Bias"}, | |
74 | {"Mic3 Bias", NULL, "Ext Mic 3"}, | |
75 | }; | |
76 | ||
77 | static int evb3_i2s_hw_params(struct snd_pcm_substream *substream, | |
78 | struct snd_pcm_hw_params *params) | |
79 | { | |
80 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
81 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
82 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
83 | int width = snd_pcm_format_physical_width(params_format(params)); | |
84 | int ret; | |
85 | ||
86 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_NET_PLL, 0, | |
87 | PM860X_CLK_DIR_OUT); | |
88 | if (ret < 0) | |
89 | return ret; | |
90 | ||
91 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, 0, PM860X_CLK_DIR_OUT); | |
92 | if (ret < 0) | |
93 | return ret; | |
94 | ||
95 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | | |
96 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); | |
97 | if (ret < 0) | |
98 | return ret; | |
99 | ||
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 | return ret; | |
107 | } | |
108 | ||
109 | static struct snd_soc_ops evb3_i2s_ops = { | |
110 | .hw_params = evb3_i2s_hw_params, | |
111 | }; | |
112 | ||
113 | static struct snd_soc_dai_link evb3_dai[] = { | |
114 | { | |
115 | .name = "88PM860x I2S", | |
116 | .stream_name = "I2S Audio", | |
117 | .cpu_dai_name = "pxa-ssp-dai.1", | |
118 | .codec_dai_name = "88pm860x-i2s", | |
119 | .platform_name = "pxa-pcm-audio", | |
120 | .codec_name = "88pm860x-codec", | |
121 | .init = evb3_pm860x_init, | |
122 | .ops = &evb3_i2s_ops, | |
123 | }, | |
124 | }; | |
125 | ||
126 | static struct snd_soc_card snd_soc_card_evb3 = { | |
127 | .name = "Tavor EVB3", | |
128 | .dai_link = evb3_dai, | |
129 | .num_links = ARRAY_SIZE(evb3_dai), | |
130 | }; | |
131 | ||
132 | static int evb3_pm860x_init(struct snd_soc_pcm_runtime *rtd) | |
133 | { | |
134 | struct snd_soc_codec *codec = rtd->codec; | |
ce6120cc | 135 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
b0547a70 HZ |
136 | int ret; |
137 | ||
ce6120cc | 138 | snd_soc_dapm_new_controls(dapm, evb3_dapm_widgets, |
b0547a70 | 139 | ARRAY_SIZE(evb3_dapm_widgets)); |
ce6120cc | 140 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
b0547a70 HZ |
141 | |
142 | /* connected pins */ | |
ce6120cc LG |
143 | snd_soc_dapm_enable_pin(dapm, "Ext Speaker"); |
144 | snd_soc_dapm_enable_pin(dapm, "Ext Mic 1"); | |
145 | snd_soc_dapm_enable_pin(dapm, "Ext Mic 3"); | |
146 | snd_soc_dapm_disable_pin(dapm, "Headset Mic 2"); | |
147 | snd_soc_dapm_disable_pin(dapm, "Headset Stereophone"); | |
b0547a70 | 148 | |
ce6120cc | 149 | ret = snd_soc_dapm_sync(dapm); |
b0547a70 HZ |
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"); |