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Diffstat (limited to 'sound/soc/pxa/e800_wm9712.c')
-rw-r--r--sound/soc/pxa/e800_wm9712.c115
1 files changed, 100 insertions, 15 deletions
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
index 2e3386dfa0f0..bc019cdce429 100644
--- a/sound/soc/pxa/e800_wm9712.c
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -1,8 +1,6 @@
1/* 1/*
2 * e800-wm9712.c -- SoC audio for e800 2 * e800-wm9712.c -- SoC audio for e800
3 * 3 *
4 * Based on tosa.c
5 *
6 * Copyright 2007 (c) Ian Molton <spyro@f2s.com> 4 * Copyright 2007 (c) Ian Molton <spyro@f2s.com>
7 * 5 *
8 * This program is free software; you can redistribute it and/or modify it 6 * This program is free software; you can redistribute it and/or modify it
@@ -13,7 +11,7 @@
13 11
14#include <linux/module.h> 12#include <linux/module.h>
15#include <linux/moduleparam.h> 13#include <linux/moduleparam.h>
16#include <linux/device.h> 14#include <linux/gpio.h>
17 15
18#include <sound/core.h> 16#include <sound/core.h>
19#include <sound/pcm.h> 17#include <sound/pcm.h>
@@ -21,23 +19,85 @@
21#include <sound/soc-dapm.h> 19#include <sound/soc-dapm.h>
22 20
23#include <asm/mach-types.h> 21#include <asm/mach-types.h>
24#include <mach/pxa-regs.h>
25#include <mach/hardware.h>
26#include <mach/audio.h> 22#include <mach/audio.h>
23#include <mach/eseries-gpio.h>
27 24
28#include "../codecs/wm9712.h" 25#include "../codecs/wm9712.h"
29#include "pxa2xx-pcm.h" 26#include "pxa2xx-pcm.h"
30#include "pxa2xx-ac97.h" 27#include "pxa2xx-ac97.h"
31 28
32static struct snd_soc_card e800; 29static int e800_spk_amp_event(struct snd_soc_dapm_widget *w,
30 struct snd_kcontrol *kcontrol, int event)
31{
32 if (event & SND_SOC_DAPM_PRE_PMU)
33 gpio_set_value(GPIO_E800_SPK_AMP_ON, 1);
34 else if (event & SND_SOC_DAPM_POST_PMD)
35 gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);
33 36
34static struct snd_soc_dai_link e800_dai[] = { 37 return 0;
38}
39
40static int e800_hp_amp_event(struct snd_soc_dapm_widget *w,
41 struct snd_kcontrol *kcontrol, int event)
42{
43 if (event & SND_SOC_DAPM_PRE_PMU)
44 gpio_set_value(GPIO_E800_HP_AMP_OFF, 0);
45 else if (event & SND_SOC_DAPM_POST_PMD)
46 gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);
47
48 return 0;
49}
50
51static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
52 SND_SOC_DAPM_HP("Headphone Jack", NULL),
53 SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
54 SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
55 SND_SOC_DAPM_SPK("Speaker", NULL),
56 SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
57 e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
58 SND_SOC_DAPM_POST_PMD),
59 SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
60 e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
61 SND_SOC_DAPM_POST_PMD),
62};
63
64static const struct snd_soc_dapm_route audio_map[] = {
65 {"Headphone Jack", NULL, "HPOUTL"},
66 {"Headphone Jack", NULL, "HPOUTR"},
67 {"Headphone Jack", NULL, "Headphone Amp"},
68
69 {"Speaker Amp", NULL, "MONOOUT"},
70 {"Speaker", NULL, "Speaker Amp"},
71
72 {"MIC1", NULL, "Mic (Internal1)"},
73 {"MIC2", NULL, "Mic (Internal2)"},
74};
75
76static int e800_ac97_init(struct snd_soc_codec *codec)
35{ 77{
36 .name = "AC97 Aux", 78 snd_soc_dapm_new_controls(codec, e800_dapm_widgets,
37 .stream_name = "AC97 Aux", 79 ARRAY_SIZE(e800_dapm_widgets));
38 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], 80
39 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], 81 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
40}, 82 snd_soc_dapm_sync(codec);
83
84 return 0;
85}
86
87static struct snd_soc_dai_link e800_dai[] = {
88 {
89 .name = "AC97",
90 .stream_name = "AC97 HiFi",
91 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
92 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
93 .init = e800_ac97_init,
94 },
95 {
96 .name = "AC97 Aux",
97 .stream_name = "AC97 Aux",
98 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
99 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
100 },
41}; 101};
42 102
43static struct snd_soc_card e800 = { 103static struct snd_soc_card e800 = {
@@ -61,6 +121,22 @@ static int __init e800_init(void)
61 if (!machine_is_e800()) 121 if (!machine_is_e800())
62 return -ENODEV; 122 return -ENODEV;
63 123
124 ret = gpio_request(GPIO_E800_HP_AMP_OFF, "Headphone amp");
125 if (ret)
126 return ret;
127
128 ret = gpio_request(GPIO_E800_SPK_AMP_ON, "Speaker amp");
129 if (ret)
130 goto free_hp_amp_gpio;
131
132 ret = gpio_direction_output(GPIO_E800_HP_AMP_OFF, 1);
133 if (ret)
134 goto free_spk_amp_gpio;
135
136 ret = gpio_direction_output(GPIO_E800_SPK_AMP_ON, 1);
137 if (ret)
138 goto free_spk_amp_gpio;
139
64 e800_snd_device = platform_device_alloc("soc-audio", -1); 140 e800_snd_device = platform_device_alloc("soc-audio", -1);
65 if (!e800_snd_device) 141 if (!e800_snd_device)
66 return -ENOMEM; 142 return -ENOMEM;
@@ -69,8 +145,15 @@ static int __init e800_init(void)
69 e800_snd_devdata.dev = &e800_snd_device->dev; 145 e800_snd_devdata.dev = &e800_snd_device->dev;
70 ret = platform_device_add(e800_snd_device); 146 ret = platform_device_add(e800_snd_device);
71 147
72 if (ret) 148 if (!ret)
73 platform_device_put(e800_snd_device); 149 return 0;
150
151/* Fail gracefully */
152 platform_device_put(e800_snd_device);
153free_spk_amp_gpio:
154 gpio_free(GPIO_E800_SPK_AMP_ON);
155free_hp_amp_gpio:
156 gpio_free(GPIO_E800_HP_AMP_OFF);
74 157
75 return ret; 158 return ret;
76} 159}
@@ -78,6 +161,8 @@ static int __init e800_init(void)
78static void __exit e800_exit(void) 161static void __exit e800_exit(void)
79{ 162{
80 platform_device_unregister(e800_snd_device); 163 platform_device_unregister(e800_snd_device);
164 gpio_free(GPIO_E800_SPK_AMP_ON);
165 gpio_free(GPIO_E800_HP_AMP_OFF);
81} 166}
82 167
83module_init(e800_init); 168module_init(e800_init);
@@ -86,4 +171,4 @@ module_exit(e800_exit);
86/* Module information */ 171/* Module information */
87MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); 172MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
88MODULE_DESCRIPTION("ALSA SoC driver for e800"); 173MODULE_DESCRIPTION("ALSA SoC driver for e800");
89MODULE_LICENSE("GPL"); 174MODULE_LICENSE("GPL v2");