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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#include <sound/soc-dapm.h>
20
21#include <mach/audio.h>
22#include <mach/eseries-gpio.h>
23
24#include <asm/mach-types.h>
25
26#include "../codecs/wm9705.h"
27#include "pxa2xx-pcm.h"
28#include "pxa2xx-ac97.h"
29
30static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
31 struct snd_kcontrol *kcontrol, int event)
32{
33 if (event & SND_SOC_DAPM_PRE_PMU)
34 gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
35 else if (event & SND_SOC_DAPM_POST_PMD)
36 gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
37
38 return 0;
39}
40
41static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
42 struct snd_kcontrol *kcontrol, int event)
43{
44 if (event & SND_SOC_DAPM_PRE_PMU)
45 gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
46 else if (event & SND_SOC_DAPM_POST_PMD)
47 gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
48
49 return 0;
50}
51
52static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
53 SND_SOC_DAPM_HP("Headphone Jack", NULL),
54 SND_SOC_DAPM_SPK("Speaker", NULL),
55 SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
56 SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
57 e750_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 e750_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 Amp", NULL, "HPOUTL"},
66 {"Headphone Amp", NULL, "HPOUTR"},
67 {"Headphone Jack", NULL, "Headphone Amp"},
68
69 {"Speaker Amp", NULL, "MONOOUT"},
70 {"Speaker", NULL, "Speaker Amp"},
71
72 {"MIC1", NULL, "Mic (Internal)"},
73};
74
75static int e750_ac97_init(struct snd_soc_codec *codec)
76{
77 snd_soc_dapm_nc_pin(codec, "LOUT");
78 snd_soc_dapm_nc_pin(codec, "ROUT");
79 snd_soc_dapm_nc_pin(codec, "PHONE");
80 snd_soc_dapm_nc_pin(codec, "LINEINL");
81 snd_soc_dapm_nc_pin(codec, "LINEINR");
82 snd_soc_dapm_nc_pin(codec, "CDINL");
83 snd_soc_dapm_nc_pin(codec, "CDINR");
84 snd_soc_dapm_nc_pin(codec, "PCBEEP");
85 snd_soc_dapm_nc_pin(codec, "MIC2");
86
87 snd_soc_dapm_new_controls(codec, e750_dapm_widgets,
88 ARRAY_SIZE(e750_dapm_widgets));
89
90 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
91
92 snd_soc_dapm_sync(codec);
93
94 return 0;
95}
96
97static struct snd_soc_dai_link e750_dai[] = {
98 {
99 .name = "AC97",
100 .stream_name = "AC97 HiFi",
101 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
102 .codec_dai = &wm9705_dai[WM9705_DAI_AC97_HIFI],
103 .init = e750_ac97_init,
104
105 },
106 {
107 .name = "AC97 Aux",
108 .stream_name = "AC97 Aux",
109 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
110 .codec_dai = &wm9705_dai[WM9705_DAI_AC97_AUX],
111 },
112};
113
114static struct snd_soc_card e750 = {
115 .name = "Toshiba e750",
116 .platform = &pxa2xx_soc_platform,
117 .dai_link = e750_dai,
118 .num_links = ARRAY_SIZE(e750_dai),
119};
120
121static struct snd_soc_device e750_snd_devdata = {
122 .card = &e750,
123 .codec_dev = &soc_codec_dev_wm9705,
124};
125
126static struct platform_device *e750_snd_device;
127
128static int __init e750_init(void)
129{
130 int ret;
131
132 if (!machine_is_e750())
133 return -ENODEV;
134
135 ret = gpio_request(GPIO_E750_HP_AMP_OFF, "Headphone amp");
136 if (ret)
137 return ret;
138
139 ret = gpio_request(GPIO_E750_SPK_AMP_OFF, "Speaker amp");
140 if (ret)
141 goto free_hp_amp_gpio;
142
143 ret = gpio_direction_output(GPIO_E750_HP_AMP_OFF, 1);
144 if (ret)
145 goto free_spk_amp_gpio;
146
147 ret = gpio_direction_output(GPIO_E750_SPK_AMP_OFF, 1);
148 if (ret)
149 goto free_spk_amp_gpio;
150
151 e750_snd_device = platform_device_alloc("soc-audio", -1);
152 if (!e750_snd_device) {
153 ret = -ENOMEM;
154 goto free_spk_amp_gpio;
155 }
156
157 platform_set_drvdata(e750_snd_device, &e750_snd_devdata);
158 e750_snd_devdata.dev = &e750_snd_device->dev;
159 ret = platform_device_add(e750_snd_device);
160
161 if (!ret)
162 return 0;
163
164
165 platform_device_put(e750_snd_device);
166free_spk_amp_gpio:
167 gpio_free(GPIO_E750_SPK_AMP_OFF);
168free_hp_amp_gpio:
169 gpio_free(GPIO_E750_HP_AMP_OFF);
170
171 return ret;
172}
173
174static void __exit e750_exit(void)
175{
176 platform_device_unregister(e750_snd_device);
177 gpio_free(GPIO_E750_SPK_AMP_OFF);
178 gpio_free(GPIO_E750_HP_AMP_OFF);
179}
180
181module_init(e750_init);
182module_exit(e750_exit);
183
184
185MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
186MODULE_DESCRIPTION("ALSA SoC driver for e750");
187MODULE_LICENSE("GPL v2");
188
