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-rw-r--r--sound/soc/omap/sdp3430.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c
deleted file mode 100644
index b462a2c9385f..000000000000
--- a/sound/soc/omap/sdp3430.c
+++ /dev/null
@@ -1,278 +0,0 @@
1/*
2 * sdp3430.c -- SoC audio for TI OMAP3430 SDP
3 *
4 * Author: Misael Lopez Cruz <x0052729@ti.com>
5 *
6 * Based on:
7 * Author: Steve Sakoman <steve@sakoman.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25#include <linux/clk.h>
26#include <linux/platform_device.h>
27#include <linux/i2c/twl.h>
28#include <sound/core.h>
29#include <sound/pcm.h>
30#include <sound/soc.h>
31#include <sound/jack.h>
32
33#include <asm/mach-types.h>
34#include <linux/platform_data/gpio-omap.h>
35#include <linux/platform_data/asoc-ti-mcbsp.h>
36
37/* Register descriptions for twl4030 codec part */
38#include <linux/mfd/twl4030-audio.h>
39#include <linux/module.h>
40
41#include "omap-mcbsp.h"
42#include "omap-pcm.h"
43
44/* TWL4030 PMBR1 Register */
45#define TWL4030_INTBR_PMBR1 0x0D
46/* TWL4030 PMBR1 Register GPIO6 mux bit */
47#define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2)
48
49static struct snd_soc_card snd_soc_sdp3430;
50
51static int sdp3430_hw_params(struct snd_pcm_substream *substream,
52 struct snd_pcm_hw_params *params)
53{
54 struct snd_soc_pcm_runtime *rtd = substream->private_data;
55 struct snd_soc_dai *codec_dai = rtd->codec_dai;
56 int ret;
57
58 /* Set the codec system clock for DAC and ADC */
59 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
60 SND_SOC_CLOCK_IN);
61 if (ret < 0) {
62 printk(KERN_ERR "can't set codec system clock\n");
63 return ret;
64 }
65
66 return 0;
67}
68
69static struct snd_soc_ops sdp3430_ops = {
70 .hw_params = sdp3430_hw_params,
71};
72
73/* Headset jack */
74static struct snd_soc_jack hs_jack;
75
76/* Headset jack detection DAPM pins */
77static struct snd_soc_jack_pin hs_jack_pins[] = {
78 {
79 .pin = "Headset Mic",
80 .mask = SND_JACK_MICROPHONE,
81 },
82 {
83 .pin = "Headset Stereophone",
84 .mask = SND_JACK_HEADPHONE,
85 },
86};
87
88/* Headset jack detection gpios */
89static struct snd_soc_jack_gpio hs_jack_gpios[] = {
90 {
91 .gpio = (OMAP_MAX_GPIO_LINES + 2),
92 .name = "hsdet-gpio",
93 .report = SND_JACK_HEADSET,
94 .debounce_time = 200,
95 },
96};
97
98/* SDP3430 machine DAPM */
99static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = {
100 SND_SOC_DAPM_MIC("Ext Mic", NULL),
101 SND_SOC_DAPM_SPK("Ext Spk", NULL),
102 SND_SOC_DAPM_MIC("Headset Mic", NULL),
103 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
104};
105
106static const struct snd_soc_dapm_route audio_map[] = {
107 /* External Mics: MAINMIC, SUBMIC with bias*/
108 {"MAINMIC", NULL, "Mic Bias 1"},
109 {"SUBMIC", NULL, "Mic Bias 2"},
110 {"Mic Bias 1", NULL, "Ext Mic"},
111 {"Mic Bias 2", NULL, "Ext Mic"},
112
113 /* External Speakers: HFL, HFR */
114 {"Ext Spk", NULL, "HFL"},
115 {"Ext Spk", NULL, "HFR"},
116
117 /* Headset Mic: HSMIC with bias */
118 {"HSMIC", NULL, "Headset Mic Bias"},
119 {"Headset Mic Bias", NULL, "Headset Mic"},
120
121 /* Headset Stereophone (Headphone): HSOL, HSOR */
122 {"Headset Stereophone", NULL, "HSOL"},
123 {"Headset Stereophone", NULL, "HSOR"},
124};
125
126static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd)
127{
128 struct snd_soc_codec *codec = rtd->codec;
129 struct snd_soc_dapm_context *dapm = &codec->dapm;
130 int ret;
131
132 /* SDP3430 connected pins */
133 snd_soc_dapm_enable_pin(dapm, "Ext Mic");
134 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
135 snd_soc_dapm_disable_pin(dapm, "Headset Mic");
136 snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
137
138 /* TWL4030 not connected pins */
139 snd_soc_dapm_nc_pin(dapm, "AUXL");
140 snd_soc_dapm_nc_pin(dapm, "AUXR");
141 snd_soc_dapm_nc_pin(dapm, "CARKITMIC");
142 snd_soc_dapm_nc_pin(dapm, "DIGIMIC0");
143 snd_soc_dapm_nc_pin(dapm, "DIGIMIC1");
144
145 snd_soc_dapm_nc_pin(dapm, "OUTL");
146 snd_soc_dapm_nc_pin(dapm, "OUTR");
147 snd_soc_dapm_nc_pin(dapm, "EARPIECE");
148 snd_soc_dapm_nc_pin(dapm, "PREDRIVEL");
149 snd_soc_dapm_nc_pin(dapm, "PREDRIVER");
150 snd_soc_dapm_nc_pin(dapm, "CARKITL");
151 snd_soc_dapm_nc_pin(dapm, "CARKITR");
152
153 /* Headset jack detection */
154 ret = snd_soc_jack_new(codec, "Headset Jack",
155 SND_JACK_HEADSET, &hs_jack);
156 if (ret)
157 return ret;
158
159 ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
160 hs_jack_pins);
161 if (ret)
162 return ret;
163
164 ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
165 hs_jack_gpios);
166
167 return ret;
168}
169
170static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd)
171{
172 struct snd_soc_codec *codec = rtd->codec;
173 unsigned short reg;
174
175 /* Enable voice interface */
176 reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF);
177 reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN;
178 codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg);
179
180 return 0;
181}
182
183
184/* Digital audio interface glue - connects codec <--> CPU */
185static struct snd_soc_dai_link sdp3430_dai[] = {
186 {
187 .name = "TWL4030 I2S",
188 .stream_name = "TWL4030 Audio",
189 .cpu_dai_name = "omap-mcbsp.2",
190 .codec_dai_name = "twl4030-hifi",
191 .platform_name = "omap-pcm-audio",
192 .codec_name = "twl4030-codec",
193 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
194 SND_SOC_DAIFMT_CBM_CFM,
195 .init = sdp3430_twl4030_init,
196 .ops = &sdp3430_ops,
197 },
198 {
199 .name = "TWL4030 PCM",
200 .stream_name = "TWL4030 Voice",
201 .cpu_dai_name = "omap-mcbsp.3",
202 .codec_dai_name = "twl4030-voice",
203 .platform_name = "omap-pcm-audio",
204 .codec_name = "twl4030-codec",
205 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
206 SND_SOC_DAIFMT_CBM_CFM,
207 .init = sdp3430_twl4030_voice_init,
208 .ops = &sdp3430_ops,
209 },
210};
211
212/* Audio machine driver */
213static struct snd_soc_card snd_soc_sdp3430 = {
214 .name = "SDP3430",
215 .owner = THIS_MODULE,
216 .dai_link = sdp3430_dai,
217 .num_links = ARRAY_SIZE(sdp3430_dai),
218
219 .dapm_widgets = sdp3430_twl4030_dapm_widgets,
220 .num_dapm_widgets = ARRAY_SIZE(sdp3430_twl4030_dapm_widgets),
221 .dapm_routes = audio_map,
222 .num_dapm_routes = ARRAY_SIZE(audio_map),
223};
224
225static struct platform_device *sdp3430_snd_device;
226
227static int __init sdp3430_soc_init(void)
228{
229 int ret;
230 u8 pin_mux;
231
232 if (!machine_is_omap_3430sdp())
233 return -ENODEV;
234 printk(KERN_INFO "SDP3430 SoC init\n");
235
236 sdp3430_snd_device = platform_device_alloc("soc-audio", -1);
237 if (!sdp3430_snd_device) {
238 printk(KERN_ERR "Platform device allocation failed\n");
239 return -ENOMEM;
240 }
241
242 platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430);
243
244 /* Set TWL4030 GPIO6 as EXTMUTE signal */
245 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
246 TWL4030_INTBR_PMBR1);
247 pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
248 pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02);
249 twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
250 TWL4030_INTBR_PMBR1);
251
252 ret = platform_device_add(sdp3430_snd_device);
253 if (ret)
254 goto err1;
255
256 return 0;
257
258err1:
259 printk(KERN_ERR "Unable to add platform device\n");
260 platform_device_put(sdp3430_snd_device);
261
262 return ret;
263}
264module_init(sdp3430_soc_init);
265
266static void __exit sdp3430_soc_exit(void)
267{
268 snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
269 hs_jack_gpios);
270
271 platform_device_unregister(sdp3430_snd_device);
272}
273module_exit(sdp3430_soc_exit);
274
275MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
276MODULE_DESCRIPTION("ALSA SoC SDP3430");
277MODULE_LICENSE("GPL");
278
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-17 14:30:15 -0500