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Source at commit dc637c9 created 12 years 4 months ago. By Xiangfu Liu, xburst: ben nanonote: first add WPAN(atben,atusb) driver take from qi-kernel.git thanks to Werner | |
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1 | From 19d5c8c334a79951d927a1b6eb25bf6a896c9ab5 Mon Sep 17 00:00:00 2001 |
2 | From: Lars-Peter Clausen <lars@metafoo.de> |
3 | Date: Sat, 24 Apr 2010 12:38:41 +0200 |
4 | Subject: [PATCH 07/32] Add N526 sound SoC board driver |
5 | |
6 | --- |
7 | sound/soc/jz4740/Kconfig | 8 ++ |
8 | sound/soc/jz4740/Makefile | 2 + |
9 | sound/soc/jz4740/n526.c | 169 +++++++++++++++++++++++++++++++++++++++++++++ |
10 | 3 files changed, 179 insertions(+), 0 deletions(-) |
11 | create mode 100644 sound/soc/jz4740/n526.c |
12 | |
13 | diff --git a/sound/soc/jz4740/Kconfig b/sound/soc/jz4740/Kconfig |
14 | index 08530ca..c222dcb 100644 |
15 | --- a/sound/soc/jz4740/Kconfig |
16 | +++ b/sound/soc/jz4740/Kconfig |
17 | @@ -29,3 +29,11 @@ config SND_JZ4740_SOC_N516 |
18 | select SND_SOC_JZCODEC |
19 | help |
20 | Say Y if you want to enable support for SoC audio on the Hanvon N516. |
21 | + |
22 | +config SND_JZ4740_SOC_N526 |
23 | + tristate "SoC Audio support for Hanvon N526 eBook reader" |
24 | + depends on SND_JZ4740_SOC && JZ4740_N526 |
25 | + select SND_JZ4740_SOC_I2S |
26 | + select SND_SOC_JZCODEC |
27 | + help |
28 | + Say Y if you want to enable support for SoC audio on the Hanvon N526. |
29 | diff --git a/sound/soc/jz4740/Makefile b/sound/soc/jz4740/Makefile |
30 | index b64d912..e7952d3 100644 |
31 | --- a/sound/soc/jz4740/Makefile |
32 | +++ b/sound/soc/jz4740/Makefile |
33 | @@ -10,6 +10,8 @@ obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd-soc-jz4740-i2s.o |
34 | # Jz4740 Machine Support |
35 | snd-soc-qi-lb60-objs := qi_lb60.o |
36 | snd-soc-n516-objs := n516.o |
37 | +snd-soc-n526-objs := n526.o |
38 | |
39 | obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o |
40 | obj-$(CONFIG_SND_JZ4740_SOC_N516) += snd-soc-n516.o |
41 | +obj-$(CONFIG_SND_JZ4740_SOC_N526) += snd-soc-n526.o |
42 | diff --git a/sound/soc/jz4740/n526.c b/sound/soc/jz4740/n526.c |
43 | new file mode 100644 |
44 | index 0000000..2283904 |
45 | --- /dev/null |
46 | +++ b/sound/soc/jz4740/n526.c |
47 | @@ -0,0 +1,169 @@ |
48 | +/* |
49 | + * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de> |
50 | + * |
51 | + * This program is free software; you can redistribute it and/or modify |
52 | + * it under the terms of the GNU General Public License version 2 as |
53 | + * published by the Free Software Foundation. |
54 | + * |
55 | + * You should have received a copy of the GNU General Public License along |
56 | + * with this program; if not, write to the Free Software Foundation, Inc., |
57 | + * 675 Mass Ave, Cambridge, MA 02139, USA. |
58 | + * |
59 | + */ |
60 | + |
61 | +#include <linux/module.h> |
62 | +#include <linux/moduleparam.h> |
63 | +#include <linux/timer.h> |
64 | +#include <linux/interrupt.h> |
65 | +#include <linux/platform_device.h> |
66 | +#include <sound/core.h> |
67 | +#include <sound/pcm.h> |
68 | +#include <sound/soc.h> |
69 | +#include <sound/soc-dapm.h> |
70 | +#include <linux/gpio.h> |
71 | + |
72 | +#include "../codecs/jzcodec.h" |
73 | +#include "jz4740-pcm.h" |
74 | +#include "jz4740-i2s.h" |
75 | + |
76 | +#define N526_AMP_EN_GPIO JZ_GPIO_PORTD(4) |
77 | + |
78 | +static int n526_spk_event(struct snd_soc_dapm_widget *widget, |
79 | + struct snd_kcontrol *ctrl, int event) |
80 | +{ |
81 | + gpio_set_value(N526_AMP_EN_GPIO, !SND_SOC_DAPM_EVENT_OFF(event)); |
82 | + return 0; |
83 | +} |
84 | + |
85 | +static const struct snd_soc_dapm_widget n526_widgets[] = { |
86 | + SND_SOC_DAPM_SPK("Speaker", n526_spk_event), |
87 | + SND_SOC_DAPM_HP("Headphone", NULL), |
88 | + SND_SOC_DAPM_MIC("Mic", NULL), |
89 | +}; |
90 | + |
91 | +static const struct snd_soc_dapm_route n526_routes[] = { |
92 | + {"Mic", NULL, "MIC"}, |
93 | + {"Speaker", NULL, "LOUT"}, |
94 | + {"Speaker", NULL, "ROUT"}, |
95 | + {"Headphone", NULL, "LOUT"}, |
96 | + {"Headphone", NULL, "ROUT"}, |
97 | +}; |
98 | + |
99 | +static const struct snd_kcontrol_new n526_controls[] = { |
100 | + SOC_DAPM_PIN_SWITCH("Speaker"), |
101 | +}; |
102 | + |
103 | +#define N526_DAIFMT (SND_SOC_DAIFMT_I2S | \ |
104 | + SND_SOC_DAIFMT_NB_NF | \ |
105 | + SND_SOC_DAIFMT_CBM_CFM) |
106 | + |
107 | +static int n526_codec_init(struct snd_soc_codec *codec) |
108 | +{ |
109 | + int ret; |
110 | + struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai; |
111 | + struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai; |
112 | + |
113 | + snd_soc_dapm_nc_pin(codec, "LIN"); |
114 | + snd_soc_dapm_nc_pin(codec, "RIN"); |
115 | + |
116 | + ret = snd_soc_dai_set_fmt(codec_dai, N526_DAIFMT); |
117 | + if (ret < 0) { |
118 | + dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret); |
119 | + return ret; |
120 | + } |
121 | + |
122 | + ret = snd_soc_dai_set_fmt(cpu_dai, N526_DAIFMT); |
123 | + if (ret < 0) { |
124 | + dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret); |
125 | + return ret; |
126 | + } |
127 | + |
128 | + ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111, |
129 | + SND_SOC_CLOCK_IN); |
130 | + if (ret < 0) { |
131 | + dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret); |
132 | + return ret; |
133 | + } |
134 | + |
135 | + snd_soc_dapm_new_controls(codec, n526_widgets, ARRAY_SIZE(n526_widgets)); |
136 | + |
137 | + snd_soc_add_controls(codec, n526_controls, |
138 | + ARRAY_SIZE(n526_controls)); |
139 | + |
140 | + snd_soc_dapm_add_routes(codec, n526_routes, ARRAY_SIZE(n526_routes)); |
141 | + |
142 | + snd_soc_dapm_sync(codec); |
143 | + |
144 | + return 0; |
145 | +} |
146 | + |
147 | +static struct snd_soc_dai_link n526_dai = { |
148 | + .name = "jz-codec", |
149 | + .stream_name = "JZCODEC", |
150 | + .cpu_dai = &jz4740_i2s_dai, |
151 | + .codec_dai = &jz_codec_dai, |
152 | + .init = n526_codec_init, |
153 | +}; |
154 | + |
155 | +static struct snd_soc_card n526 = { |
156 | + .name = "N526", |
157 | + .dai_link = &n526_dai, |
158 | + .num_links = 1, |
159 | + .platform = &jz4740_soc_platform, |
160 | +}; |
161 | + |
162 | +static struct snd_soc_device n526_snd_devdata = { |
163 | + .card = &n526, |
164 | + .codec_dev = &soc_codec_dev_jzcodec, |
165 | +}; |
166 | + |
167 | +static struct platform_device *n526_snd_device; |
168 | + |
169 | +static int __init n526_init(void) |
170 | +{ |
171 | + int ret; |
172 | + |
173 | + n526_snd_device = platform_device_alloc("soc-audio", -1); |
174 | + |
175 | + if (!n526_snd_device) |
176 | + return -ENOMEM; |
177 | + |
178 | + ret = gpio_request(N526_AMP_EN_GPIO, "AMP"); |
179 | + if (ret) { |
180 | + pr_err("n526 snd: Failed to request AMP GPIO(%d): %d\n", |
181 | + N526_AMP_EN_GPIO, ret); |
182 | + goto err_device_put; |
183 | + } |
184 | + |
185 | + gpio_direction_output(JZ_GPIO_PORTD(4), 0); |
186 | + |
187 | + platform_set_drvdata(n526_snd_device, &n526_snd_devdata); |
188 | + n526_snd_devdata.dev = &n526_snd_device->dev; |
189 | + ret = platform_device_add(n526_snd_device); |
190 | + if (ret) { |
191 | + pr_err("n526 snd: Failed to add snd soc device: %d\n", ret); |
192 | + goto err_unset_pdata; |
193 | + } |
194 | + |
195 | + return 0; |
196 | + |
197 | +err_unset_pdata: |
198 | + platform_set_drvdata(n526_snd_device, NULL); |
199 | + gpio_free(N526_AMP_EN_GPIO); |
200 | +err_device_put: |
201 | + platform_device_put(n526_snd_device); |
202 | + |
203 | + return ret; |
204 | +} |
205 | +module_init(n526_init); |
206 | + |
207 | +static void __exit n526_exit(void) |
208 | +{ |
209 | + gpio_free(N526_AMP_EN_GPIO); |
210 | + platform_device_unregister(n526_snd_device); |
211 | +} |
212 | +module_exit(n526_exit); |
213 | + |
214 | +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); |
215 | +MODULE_DESCRIPTION("ALSA SoC N526 audio support"); |
216 | +MODULE_LICENSE("GPL v2"); |
217 | -- |
218 | 1.7.4.1 |
219 | |
220 |