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Diffstat (limited to 'sound/soc/s6000/s6105-ipcam.c')
-rw-r--r--sound/soc/s6000/s6105-ipcam.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/sound/soc/s6000/s6105-ipcam.c b/sound/soc/s6000/s6105-ipcam.c
deleted file mode 100644
index 3510c01f8a6a..000000000000
--- a/sound/soc/s6000/s6105-ipcam.c
+++ /dev/null
@@ -1,221 +0,0 @@
1/*
2 * ASoC driver for Stretch s6105 IP camera platform
3 *
4 * Author: Daniel Gloeckner, <dg@emlix.com>
5 * Copyright: (C) 2009 emlix GmbH <info@emlix.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/timer.h>
15#include <linux/interrupt.h>
16#include <linux/platform_device.h>
17#include <linux/i2c.h>
18#include <sound/core.h>
19#include <sound/pcm.h>
20#include <sound/soc.h>
21
22#include "s6000-pcm.h"
23#include "s6000-i2s.h"
24
25#define S6105_CAM_CODEC_CLOCK 12288000
26
27static int s6105_hw_params(struct snd_pcm_substream *substream,
28 struct snd_pcm_hw_params *params)
29{
30 struct snd_soc_pcm_runtime *rtd = substream->private_data;
31 struct snd_soc_dai *codec_dai = rtd->codec_dai;
32 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
33 int ret = 0;
34
35 /* set codec DAI configuration */
36 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
37 SND_SOC_DAIFMT_CBM_CFM);
38 if (ret < 0)
39 return ret;
40
41 /* set cpu DAI configuration */
42 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBM_CFM |
43 SND_SOC_DAIFMT_NB_NF);
44 if (ret < 0)
45 return ret;
46
47 /* set the codec system clock */
48 ret = snd_soc_dai_set_sysclk(codec_dai, 0, S6105_CAM_CODEC_CLOCK,
49 SND_SOC_CLOCK_OUT);
50 if (ret < 0)
51 return ret;
52
53 return 0;
54}
55
56static struct snd_soc_ops s6105_ops = {
57 .hw_params = s6105_hw_params,
58};
59
60/* s6105 machine dapm widgets */
61static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
62 SND_SOC_DAPM_LINE("Audio Out Differential", NULL),
63 SND_SOC_DAPM_LINE("Audio Out Stereo", NULL),
64 SND_SOC_DAPM_LINE("Audio In", NULL),
65};
66
67/* s6105 machine audio_mapnections to the codec pins */
68static const struct snd_soc_dapm_route audio_map[] = {
69 /* Audio Out connected to HPLOUT, HPLCOM, HPROUT */
70 {"Audio Out Differential", NULL, "HPLOUT"},
71 {"Audio Out Differential", NULL, "HPLCOM"},
72 {"Audio Out Stereo", NULL, "HPLOUT"},
73 {"Audio Out Stereo", NULL, "HPROUT"},
74
75 /* Audio In connected to LINE1L, LINE1R */
76 {"LINE1L", NULL, "Audio In"},
77 {"LINE1R", NULL, "Audio In"},
78};
79
80static int output_type_info(struct snd_kcontrol *kcontrol,
81 struct snd_ctl_elem_info *uinfo)
82{
83 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
84 uinfo->count = 1;
85 uinfo->value.enumerated.items = 2;
86 if (uinfo->value.enumerated.item) {
87 uinfo->value.enumerated.item = 1;
88 strcpy(uinfo->value.enumerated.name, "HPLOUT/HPROUT");
89 } else {
90 strcpy(uinfo->value.enumerated.name, "HPLOUT/HPLCOM");
91 }
92 return 0;
93}
94
95static int output_type_get(struct snd_kcontrol *kcontrol,
96 struct snd_ctl_elem_value *ucontrol)
97{
98 ucontrol->value.enumerated.item[0] = kcontrol->private_value;
99 return 0;
100}
101
102static int output_type_put(struct snd_kcontrol *kcontrol,
103 struct snd_ctl_elem_value *ucontrol)
104{
105 struct snd_soc_card *card = kcontrol->private_data;
106 struct snd_soc_dapm_context *dapm = &card->dapm;
107 unsigned int val = (ucontrol->value.enumerated.item[0] != 0);
108 char *differential = "Audio Out Differential";
109 char *stereo = "Audio Out Stereo";
110
111 if (kcontrol->private_value == val)
112 return 0;
113 kcontrol->private_value = val;
114 snd_soc_dapm_disable_pin(dapm, val ? differential : stereo);
115 snd_soc_dapm_sync(dapm);
116 snd_soc_dapm_enable_pin(dapm, val ? stereo : differential);
117 snd_soc_dapm_sync(dapm);
118
119 return 1;
120}
121
122static const struct snd_kcontrol_new audio_out_mux = {
123 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
124 .name = "Master Output Mux",
125 .index = 0,
126 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
127 .info = output_type_info,
128 .get = output_type_get,
129 .put = output_type_put,
130 .private_value = 1 /* default to stereo */
131};
132
133/* Logic for a aic3x as connected on the s6105 ip camera ref design */
134static int s6105_aic3x_init(struct snd_soc_pcm_runtime *rtd)
135{
136 struct snd_soc_card *card = rtd->card;
137
138 /* must correspond to audio_out_mux.private_value initializer */
139 snd_soc_dapm_disable_pin(&card->dapm, "Audio Out Differential");
140
141 snd_ctl_add(card->snd_card, snd_ctl_new1(&audio_out_mux, card));
142
143 return 0;
144}
145
146/* s6105 digital audio interface glue - connects codec <--> CPU */
147static struct snd_soc_dai_link s6105_dai = {
148 .name = "TLV320AIC31",
149 .stream_name = "AIC31",
150 .cpu_dai_name = "s6000-i2s",
151 .codec_dai_name = "tlv320aic3x-hifi",
152 .platform_name = "s6000-pcm-audio",
153 .codec_name = "tlv320aic3x-codec.0-001a",
154 .init = s6105_aic3x_init,
155 .ops = &s6105_ops,
156};
157
158/* s6105 audio machine driver */
159static struct snd_soc_card snd_soc_card_s6105 = {
160 .name = "Stretch IP Camera",
161 .owner = THIS_MODULE,
162 .dai_link = &s6105_dai,
163 .num_links = 1,
164
165 .dapm_widgets = aic3x_dapm_widgets,
166 .num_dapm_widgets = ARRAY_SIZE(aic3x_dapm_widgets),
167 .dapm_routes = audio_map,
168 .num_dapm_routes = ARRAY_SIZE(audio_map),
169 .fully_routed = true,
170};
171
172static struct s6000_snd_platform_data s6105_snd_data __initdata = {
173 .wide = 0,
174 .channel_in = 0,
175 .channel_out = 1,
176 .lines_in = 1,
177 .lines_out = 1,
178 .same_rate = 1,
179};
180
181static struct platform_device *s6105_snd_device;
182
183/* temporary i2c device creation until this can be moved into the machine
184 * support file.
185*/
186static struct i2c_board_info i2c_device[] = {
187 { I2C_BOARD_INFO("tlv320aic33", 0x18), }
188};
189
190static int __init s6105_init(void)
191{
192 int ret;
193
194 i2c_register_board_info(0, i2c_device, ARRAY_SIZE(i2c_device));
195
196 s6105_snd_device = platform_device_alloc("soc-audio", -1);
197 if (!s6105_snd_device)
198 return -ENOMEM;
199
200 platform_set_drvdata(s6105_snd_device, &snd_soc_card_s6105);
201 platform_device_add_data(s6105_snd_device, &s6105_snd_data,
202 sizeof(s6105_snd_data));
203
204 ret = platform_device_add(s6105_snd_device);
205 if (ret)
206 platform_device_put(s6105_snd_device);
207
208 return ret;
209}
210
211static void __exit s6105_exit(void)
212{
213 platform_device_unregister(s6105_snd_device);
214}
215
216module_init(s6105_init);
217module_exit(s6105_exit);
218
219MODULE_AUTHOR("Daniel Gloeckner");
220MODULE_DESCRIPTION("Stretch s6105 IP camera ASoC driver");
221MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-27 02:28:06 -0500