aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--sound/soc/pxa/Kconfig9
-rw-r--r--sound/soc/pxa/Makefile2
-rw-r--r--sound/soc/pxa/hx4700.c255
3 files changed, 266 insertions, 0 deletions
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 580f48571303..33ebc46b45b5 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -155,6 +155,15 @@ config SND_SOC_RAUMFELD
155 help 155 help
156 Say Y if you want to add support for SoC audio on Raumfeld devices 156 Say Y if you want to add support for SoC audio on Raumfeld devices
157 157
158config SND_PXA2XX_SOC_HX4700
159 tristate "SoC Audio support for HP iPAQ hx4700"
160 depends on SND_PXA2XX_SOC && MACH_H4700
161 select SND_PXA2XX_SOC_I2S
162 select SND_SOC_AK4641
163 help
164 Say Y if you want to add support for SoC audio on the
165 HP iPAQ hx4700.
166
158config SND_PXA2XX_SOC_MAGICIAN 167config SND_PXA2XX_SOC_MAGICIAN
159 tristate "SoC Audio support for HTC Magician" 168 tristate "SoC Audio support for HTC Magician"
160 depends on SND_PXA2XX_SOC && MACH_MAGICIAN 169 depends on SND_PXA2XX_SOC && MACH_MAGICIAN
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
index 07660165ec8d..af357623be9d 100644
--- a/sound/soc/pxa/Makefile
+++ b/sound/soc/pxa/Makefile
@@ -22,6 +22,7 @@ snd-soc-palm27x-objs := palm27x.o
22snd-soc-saarb-objs := saarb.o 22snd-soc-saarb-objs := saarb.o
23snd-soc-tavorevb3-objs := tavorevb3.o 23snd-soc-tavorevb3-objs := tavorevb3.o
24snd-soc-zylonite-objs := zylonite.o 24snd-soc-zylonite-objs := zylonite.o
25snd-soc-hx4700-objs := hx4700.o
25snd-soc-magician-objs := magician.o 26snd-soc-magician-objs := magician.o
26snd-soc-mioa701-objs := mioa701_wm9713.o 27snd-soc-mioa701-objs := mioa701_wm9713.o
27snd-soc-z2-objs := z2.o 28snd-soc-z2-objs := z2.o
@@ -37,6 +38,7 @@ obj-$(CONFIG_SND_PXA2XX_SOC_E800) += snd-soc-e800.o
37obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o 38obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o
38obj-$(CONFIG_SND_PXA2XX_SOC_EM_X270) += snd-soc-em-x270.o 39obj-$(CONFIG_SND_PXA2XX_SOC_EM_X270) += snd-soc-em-x270.o
39obj-$(CONFIG_SND_PXA2XX_SOC_PALM27X) += snd-soc-palm27x.o 40obj-$(CONFIG_SND_PXA2XX_SOC_PALM27X) += snd-soc-palm27x.o
41obj-$(CONFIG_SND_PXA2XX_SOC_HX4700) += snd-soc-hx4700.o
40obj-$(CONFIG_SND_PXA2XX_SOC_MAGICIAN) += snd-soc-magician.o 42obj-$(CONFIG_SND_PXA2XX_SOC_MAGICIAN) += snd-soc-magician.o
41obj-$(CONFIG_SND_PXA2XX_SOC_MIOA701) += snd-soc-mioa701.o 43obj-$(CONFIG_SND_PXA2XX_SOC_MIOA701) += snd-soc-mioa701.o
42obj-$(CONFIG_SND_PXA2XX_SOC_Z2) += snd-soc-z2.o 44obj-$(CONFIG_SND_PXA2XX_SOC_Z2) += snd-soc-z2.o
diff --git a/sound/soc/pxa/hx4700.c b/sound/soc/pxa/hx4700.c
new file mode 100644
index 000000000000..65c124831a00
--- /dev/null
+++ b/sound/soc/pxa/hx4700.c
@@ -0,0 +1,255 @@
1/*
2 * SoC audio for HP iPAQ hx4700
3 *
4 * Copyright (c) 2009 Philipp Zabel
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 *
11 */
12
13#include <linux/module.h>
14#include <linux/timer.h>
15#include <linux/interrupt.h>
16#include <linux/platform_device.h>
17#include <linux/delay.h>
18#include <linux/gpio.h>
19
20#include <sound/core.h>
21#include <sound/jack.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include <sound/soc.h>
25
26#include <mach/hx4700.h>
27#include <asm/mach-types.h>
28#include "pxa2xx-i2s.h"
29
30#include "../codecs/ak4641.h"
31
32static struct snd_soc_jack hs_jack;
33
34/* Headphones jack detection DAPM pin */
35static struct snd_soc_jack_pin hs_jack_pin[] = {
36 {
37 .pin = "Headphone Jack",
38 .mask = SND_JACK_HEADPHONE,
39 },
40 {
41 .pin = "Speaker",
42 /* disable speaker when hp jack is inserted */
43 .mask = SND_JACK_HEADPHONE,
44 .invert = 1,
45 },
46};
47
48/* Headphones jack detection GPIO */
49static struct snd_soc_jack_gpio hs_jack_gpio = {
50 .gpio = GPIO75_HX4700_EARPHONE_nDET,
51 .invert = true,
52 .name = "hp-gpio",
53 .report = SND_JACK_HEADPHONE,
54 .debounce_time = 200,
55};
56
57/*
58 * iPAQ hx4700 uses I2S for capture and playback.
59 */
60static int hx4700_hw_params(struct snd_pcm_substream *substream,
61 struct snd_pcm_hw_params *params)
62{
63 struct snd_soc_pcm_runtime *rtd = substream->private_data;
64 struct snd_soc_dai *codec_dai = rtd->codec_dai;
65 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
66 int ret = 0;
67
68 /* set codec DAI configuration */
69 ret = snd_soc_dai_set_fmt(codec_dai,
70 SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
71 SND_SOC_DAIFMT_CBS_CFS);
72 if (ret < 0)
73 return ret;
74
75 /* set cpu DAI configuration */
76 ret = snd_soc_dai_set_fmt(cpu_dai,
77 SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
78 SND_SOC_DAIFMT_CBS_CFS);
79 if (ret < 0)
80 return ret;
81
82 /* set the I2S system clock as output */
83 ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
84 SND_SOC_CLOCK_OUT);
85 if (ret < 0)
86 return ret;
87
88 /* inform codec driver about clock freq *
89 * (PXA I2S always uses divider 256) */
90 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 256 * params_rate(params),
91 SND_SOC_CLOCK_IN);
92 if (ret < 0)
93 return ret;
94
95 return 0;
96}
97
98static struct snd_soc_ops hx4700_ops = {
99 .hw_params = hx4700_hw_params,
100};
101
102static int hx4700_spk_power(struct snd_soc_dapm_widget *w,
103 struct snd_kcontrol *k, int event)
104{
105 gpio_set_value(GPIO107_HX4700_SPK_nSD, !!SND_SOC_DAPM_EVENT_ON(event));
106 return 0;
107}
108
109static int hx4700_hp_power(struct snd_soc_dapm_widget *w,
110 struct snd_kcontrol *k, int event)
111{
112 gpio_set_value(GPIO92_HX4700_HP_DRIVER, !!SND_SOC_DAPM_EVENT_ON(event));
113 return 0;
114}
115
116/* hx4700 machine dapm widgets */
117static const struct snd_soc_dapm_widget hx4700_dapm_widgets[] = {
118 SND_SOC_DAPM_HP("Headphone Jack", hx4700_hp_power),
119 SND_SOC_DAPM_SPK("Speaker", hx4700_spk_power),
120 SND_SOC_DAPM_MIC("Built-in Microphone", NULL),
121};
122
123/* hx4700 machine audio_map */
124static const struct snd_soc_dapm_route hx4700_audio_map[] = {
125
126 /* Headphone connected to LOUT, ROUT */
127 {"Headphone Jack", NULL, "LOUT"},
128 {"Headphone Jack", NULL, "ROUT"},
129
130 /* Speaker connected to MOUT2 */
131 {"Speaker", NULL, "MOUT2"},
132
133 /* Microphone connected to MICIN */
134 {"MICIN", NULL, "Built-in Microphone"},
135 {"AIN", NULL, "MICOUT"},
136};
137
138/*
139 * Logic for a ak4641 as connected on a HP iPAQ hx4700
140 */
141static int hx4700_ak4641_init(struct snd_soc_pcm_runtime *rtd)
142{
143 struct snd_soc_codec *codec = rtd->codec;
144 struct snd_soc_dapm_context *dapm = &codec->dapm;
145 int err;
146
147 /* NC codec pins */
148 /* FIXME: is anything connected here? */
149 snd_soc_dapm_nc_pin(dapm, "MOUT1");
150 snd_soc_dapm_nc_pin(dapm, "MICEXT");
151 snd_soc_dapm_nc_pin(dapm, "AUX");
152
153 /* Jack detection API stuff */
154 err = snd_soc_jack_new(codec, "Headphone Jack",
155 SND_JACK_HEADPHONE, &hs_jack);
156 if (err)
157 return err;
158
159 err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pin),
160 hs_jack_pin);
161 if (err)
162 return err;
163
164 err = snd_soc_jack_add_gpios(&hs_jack, 1, &hs_jack_gpio);
165
166 return err;
167}
168
169/* hx4700 digital audio interface glue - connects codec <--> CPU */
170static struct snd_soc_dai_link hx4700_dai = {
171 .name = "ak4641",
172 .stream_name = "AK4641",
173 .cpu_dai_name = "pxa2xx-i2s",
174 .codec_dai_name = "ak4641-hifi",
175 .platform_name = "pxa-pcm-audio",
176 .codec_name = "ak4641.0-0012",
177 .init = hx4700_ak4641_init,
178 .ops = &hx4700_ops,
179};
180
181/* hx4700 audio machine driver */
182static struct snd_soc_card snd_soc_card_hx4700 = {
183 .name = "iPAQ hx4700",
184 .dai_link = &hx4700_dai,
185 .num_links = 1,
186 .dapm_widgets = hx4700_dapm_widgets,
187 .num_dapm_widgets = ARRAY_SIZE(hx4700_dapm_widgets),
188 .dapm_routes = hx4700_audio_map,
189 .num_dapm_routes = ARRAY_SIZE(hx4700_audio_map),
190};
191
192static struct gpio hx4700_audio_gpios[] = {
193 { GPIO107_HX4700_SPK_nSD, GPIOF_OUT_INIT_HIGH, "SPK_POWER" },
194 { GPIO92_HX4700_HP_DRIVER, GPIOF_OUT_INIT_LOW, "EP_POWER" },
195};
196
197static int __devinit hx4700_audio_probe(struct platform_device *pdev)
198{
199 int ret;
200
201 if (!machine_is_h4700())
202 return -ENODEV;
203
204 ret = gpio_request_array(hx4700_audio_gpios,
205 ARRAY_SIZE(hx4700_audio_gpios));
206 if (ret)
207 return ret;
208
209 snd_soc_card_hx4700.dev = &pdev->dev;
210 ret = snd_soc_register_card(&snd_soc_card_hx4700);
211 if (ret)
212 return ret;
213
214 return 0;
215}
216
217static int __devexit hx4700_audio_remove(struct platform_device *pdev)
218{
219 snd_soc_jack_free_gpios(&hs_jack, 1, &hs_jack_gpio);
220 snd_soc_unregister_card(&snd_soc_card_hx4700);
221
222 gpio_set_value(GPIO92_HX4700_HP_DRIVER, 0);
223 gpio_set_value(GPIO107_HX4700_SPK_nSD, 0);
224
225 gpio_free_array(hx4700_audio_gpios, ARRAY_SIZE(hx4700_audio_gpios));
226 return 0;
227}
228
229static struct platform_driver hx4700_audio_driver = {
230 .driver = {
231 .name = "hx4700-audio",
232 .owner = THIS_MODULE,
233 .pm = &snd_soc_pm_ops,
234 },
235 .probe = hx4700_audio_probe,
236 .remove = __devexit_p(hx4700_audio_remove),
237};
238
239static int __init hx4700_modinit(void)
240{
241 return platform_driver_register(&hx4700_audio_driver);
242}
243module_init(hx4700_modinit);
244
245static void __exit hx4700_modexit(void)
246{
247 platform_driver_unregister(&hx4700_audio_driver);
248}
249
250module_exit(hx4700_modexit);
251
252MODULE_AUTHOR("Philipp Zabel");
253MODULE_DESCRIPTION("ALSA SoC iPAQ hx4700");
254MODULE_LICENSE("GPL");
255MODULE_ALIAS("platform:hx4700-audio");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-14 21:19:40 -0500