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12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/gpio.h>
15
16#include <sound/core.h>
17#include <sound/pcm.h>
18#include <sound/soc.h>
19
20#include <mach/audio.h>
21#include <mach/eseries-gpio.h>
22
23#include <asm/mach-types.h>
24
25#include "pxa2xx-ac97.h"
26
27static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
28 struct snd_kcontrol *kcontrol, int event)
29{
30 if (event & SND_SOC_DAPM_PRE_PMU)
31 gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
32 else if (event & SND_SOC_DAPM_POST_PMD)
33 gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
34
35 return 0;
36}
37
38static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
39 struct snd_kcontrol *kcontrol, int event)
40{
41 if (event & SND_SOC_DAPM_PRE_PMU)
42 gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
43 else if (event & SND_SOC_DAPM_POST_PMD)
44 gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
45
46 return 0;
47}
48
49static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
50 SND_SOC_DAPM_HP("Headphone Jack", NULL),
51 SND_SOC_DAPM_SPK("Speaker", NULL),
52 SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
53 SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
54 e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
55 SND_SOC_DAPM_POST_PMD),
56 SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
57 e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
58 SND_SOC_DAPM_POST_PMD),
59};
60
61static const struct snd_soc_dapm_route audio_map[] = {
62 {"Headphone Amp", NULL, "HPOUTL"},
63 {"Headphone Amp", NULL, "HPOUTR"},
64 {"Headphone Jack", NULL, "Headphone Amp"},
65
66 {"Speaker Amp", NULL, "MONOOUT"},
67 {"Speaker", NULL, "Speaker Amp"},
68
69 {"MIC1", NULL, "Mic (Internal)"},
70};
71
72static struct snd_soc_dai_link e750_dai[] = {
73 {
74 .name = "AC97",
75 .stream_name = "AC97 HiFi",
76 .cpu_dai_name = "pxa2xx-ac97",
77 .codec_dai_name = "wm9705-hifi",
78 .platform_name = "pxa-pcm-audio",
79 .codec_name = "wm9705-codec",
80
81 },
82 {
83 .name = "AC97 Aux",
84 .stream_name = "AC97 Aux",
85 .cpu_dai_name = "pxa2xx-ac97-aux",
86 .codec_dai_name ="wm9705-aux",
87 .platform_name = "pxa-pcm-audio",
88 .codec_name = "wm9705-codec",
89 },
90};
91
92static struct snd_soc_card e750 = {
93 .name = "Toshiba e750",
94 .owner = THIS_MODULE,
95 .dai_link = e750_dai,
96 .num_links = ARRAY_SIZE(e750_dai),
97
98 .dapm_widgets = e750_dapm_widgets,
99 .num_dapm_widgets = ARRAY_SIZE(e750_dapm_widgets),
100 .dapm_routes = audio_map,
101 .num_dapm_routes = ARRAY_SIZE(audio_map),
102 .fully_routed = true,
103};
104
105static struct gpio e750_audio_gpios[] = {
106 { GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
107 { GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
108};
109
110static int e750_probe(struct platform_device *pdev)
111{
112 struct snd_soc_card *card = &e750;
113 int ret;
114
115 ret = gpio_request_array(e750_audio_gpios,
116 ARRAY_SIZE(e750_audio_gpios));
117 if (ret)
118 return ret;
119
120 card->dev = &pdev->dev;
121
122 ret = devm_snd_soc_register_card(&pdev->dev, card);
123 if (ret) {
124 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
125 ret);
126 gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
127 }
128 return ret;
129}
130
131static int e750_remove(struct platform_device *pdev)
132{
133 gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
134 return 0;
135}
136
137static struct platform_driver e750_driver = {
138 .driver = {
139 .name = "e750-audio",
140 .pm = &snd_soc_pm_ops,
141 },
142 .probe = e750_probe,
143 .remove = e750_remove,
144};
145
146module_platform_driver(e750_driver);
147
148
149MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
150MODULE_DESCRIPTION("ALSA SoC driver for e750");
151MODULE_LICENSE("GPL v2");
152MODULE_ALIAS("platform:e750-audio");
153
