2 * rx51.c -- SoC audio for Nokia RX-51
4 * Copyright (C) 2008 - 2009 Nokia Corporation
6 * Contact: Peter Ujfalusi <peter.ujfalusi@nokia.com>
7 * Eduardo Valentin <eduardo.valentin@nokia.com>
8 * Jarkko Nikula <jhnikula@gmail.com>
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * version 2 as published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
26 #include <linux/delay.h>
27 #include <linux/gpio.h>
28 #include <linux/platform_device.h>
29 #include <sound/core.h>
30 #include <sound/jack.h>
31 #include <sound/pcm.h>
32 #include <sound/soc.h>
33 #include <sound/soc-dapm.h>
35 #include <asm/mach-types.h>
37 #include "omap-mcbsp.h"
39 #include "../codecs/tlv320aic3x.h"
41 #define RX51_TVOUT_SEL_GPIO 40
42 #define RX51_JACK_DETECT_GPIO 177
44 * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
45 * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
47 #define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
51 RX51_JACK_TVOUT
, /* tv-out */
54 static int rx51_spk_func
;
55 static int rx51_dmic_func
;
56 static int rx51_jack_func
;
58 static void rx51_ext_control(struct snd_soc_codec
*codec
)
61 snd_soc_dapm_enable_pin(codec
, "Ext Spk");
63 snd_soc_dapm_disable_pin(codec
, "Ext Spk");
65 snd_soc_dapm_enable_pin(codec
, "DMic");
67 snd_soc_dapm_disable_pin(codec
, "DMic");
69 gpio_set_value(RX51_TVOUT_SEL_GPIO
,
70 rx51_jack_func
== RX51_JACK_TVOUT
);
72 snd_soc_dapm_sync(codec
);
75 static int rx51_startup(struct snd_pcm_substream
*substream
)
77 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
78 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
79 struct snd_soc_codec
*codec
= rtd
->socdev
->card
->codec
;
81 snd_pcm_hw_constraint_minmax(runtime
,
82 SNDRV_PCM_HW_PARAM_CHANNELS
, 2, 2);
83 rx51_ext_control(codec
);
88 static int rx51_hw_params(struct snd_pcm_substream
*substream
,
89 struct snd_pcm_hw_params
*params
)
91 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
92 struct snd_soc_dai
*codec_dai
= rtd
->dai
->codec_dai
;
93 struct snd_soc_dai
*cpu_dai
= rtd
->dai
->cpu_dai
;
96 /* Set codec DAI configuration */
97 err
= snd_soc_dai_set_fmt(codec_dai
,
98 SND_SOC_DAIFMT_DSP_A
|
99 SND_SOC_DAIFMT_IB_NF
|
100 SND_SOC_DAIFMT_CBM_CFM
);
104 /* Set cpu DAI configuration */
105 err
= snd_soc_dai_set_fmt(cpu_dai
,
106 SND_SOC_DAIFMT_DSP_A
|
107 SND_SOC_DAIFMT_IB_NF
|
108 SND_SOC_DAIFMT_CBM_CFM
);
112 /* Set the codec system clock for DAC and ADC */
113 return snd_soc_dai_set_sysclk(codec_dai
, 0, 19200000,
117 static struct snd_soc_ops rx51_ops
= {
118 .startup
= rx51_startup
,
119 .hw_params
= rx51_hw_params
,
122 static int rx51_get_spk(struct snd_kcontrol
*kcontrol
,
123 struct snd_ctl_elem_value
*ucontrol
)
125 ucontrol
->value
.integer
.value
[0] = rx51_spk_func
;
130 static int rx51_set_spk(struct snd_kcontrol
*kcontrol
,
131 struct snd_ctl_elem_value
*ucontrol
)
133 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
135 if (rx51_spk_func
== ucontrol
->value
.integer
.value
[0])
138 rx51_spk_func
= ucontrol
->value
.integer
.value
[0];
139 rx51_ext_control(codec
);
144 static int rx51_spk_event(struct snd_soc_dapm_widget
*w
,
145 struct snd_kcontrol
*k
, int event
)
147 if (SND_SOC_DAPM_EVENT_ON(event
))
148 gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO
, 1);
150 gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO
, 0);
155 static int rx51_get_input(struct snd_kcontrol
*kcontrol
,
156 struct snd_ctl_elem_value
*ucontrol
)
158 ucontrol
->value
.integer
.value
[0] = rx51_dmic_func
;
163 static int rx51_set_input(struct snd_kcontrol
*kcontrol
,
164 struct snd_ctl_elem_value
*ucontrol
)
166 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
168 if (rx51_dmic_func
== ucontrol
->value
.integer
.value
[0])
171 rx51_dmic_func
= ucontrol
->value
.integer
.value
[0];
172 rx51_ext_control(codec
);
177 static int rx51_get_jack(struct snd_kcontrol
*kcontrol
,
178 struct snd_ctl_elem_value
*ucontrol
)
180 ucontrol
->value
.integer
.value
[0] = rx51_jack_func
;
185 static int rx51_set_jack(struct snd_kcontrol
*kcontrol
,
186 struct snd_ctl_elem_value
*ucontrol
)
188 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
190 if (rx51_jack_func
== ucontrol
->value
.integer
.value
[0])
193 rx51_jack_func
= ucontrol
->value
.integer
.value
[0];
194 rx51_ext_control(codec
);
199 static struct snd_soc_jack rx51_av_jack
;
201 static struct snd_soc_jack_gpio rx51_av_jack_gpios
[] = {
203 .gpio
= RX51_JACK_DETECT_GPIO
,
204 .name
= "avdet-gpio",
205 .report
= SND_JACK_VIDEOOUT
,
207 .debounce_time
= 200,
211 static const struct snd_soc_dapm_widget aic34_dapm_widgets
[] = {
212 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event
),
213 SND_SOC_DAPM_MIC("DMic", NULL
),
216 static const struct snd_soc_dapm_route audio_map
[] = {
217 {"Ext Spk", NULL
, "HPLOUT"},
218 {"Ext Spk", NULL
, "HPROUT"},
220 {"DMic Rate 64", NULL
, "Mic Bias 2V"},
221 {"Mic Bias 2V", NULL
, "DMic"},
224 static const char *spk_function
[] = {"Off", "On"};
225 static const char *input_function
[] = {"ADC", "Digital Mic"};
226 static const char *jack_function
[] = {"Off", "TV-OUT"};
228 static const struct soc_enum rx51_enum
[] = {
229 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function
), spk_function
),
230 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function
), input_function
),
231 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function
), jack_function
),
234 static const struct snd_kcontrol_new aic34_rx51_controls
[] = {
235 SOC_ENUM_EXT("Speaker Function", rx51_enum
[0],
236 rx51_get_spk
, rx51_set_spk
),
237 SOC_ENUM_EXT("Input Select", rx51_enum
[1],
238 rx51_get_input
, rx51_set_input
),
239 SOC_ENUM_EXT("Jack Function", rx51_enum
[2],
240 rx51_get_jack
, rx51_set_jack
),
243 static int rx51_aic34_init(struct snd_soc_codec
*codec
)
245 struct snd_soc_card
*card
= codec
->socdev
->card
;
248 /* Set up NC codec pins */
249 snd_soc_dapm_nc_pin(codec
, "MIC3L");
250 snd_soc_dapm_nc_pin(codec
, "MIC3R");
251 snd_soc_dapm_nc_pin(codec
, "LINE1R");
253 /* Add RX-51 specific controls */
254 err
= snd_soc_add_controls(codec
, aic34_rx51_controls
,
255 ARRAY_SIZE(aic34_rx51_controls
));
259 /* Add RX-51 specific widgets */
260 snd_soc_dapm_new_controls(codec
, aic34_dapm_widgets
,
261 ARRAY_SIZE(aic34_dapm_widgets
));
263 /* Set up RX-51 specific audio path audio_map */
264 snd_soc_dapm_add_routes(codec
, audio_map
, ARRAY_SIZE(audio_map
));
266 snd_soc_dapm_sync(codec
);
268 /* AV jack detection */
269 err
= snd_soc_jack_new(card
, "AV Jack",
270 SND_JACK_VIDEOOUT
, &rx51_av_jack
);
273 err
= snd_soc_jack_add_gpios(&rx51_av_jack
,
274 ARRAY_SIZE(rx51_av_jack_gpios
),
280 /* Digital audio interface glue - connects codec <--> CPU */
281 static struct snd_soc_dai_link rx51_dai
[] = {
283 .name
= "TLV320AIC34",
284 .stream_name
= "AIC34",
285 .cpu_dai
= &omap_mcbsp_dai
[0],
286 .codec_dai
= &aic3x_dai
,
287 .init
= rx51_aic34_init
,
292 /* Audio private data */
293 static struct aic3x_setup_data rx51_aic34_setup
= {
294 .gpio_func
[0] = AIC3X_GPIO1_FUNC_DISABLED
,
295 .gpio_func
[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT
,
299 static struct snd_soc_card rx51_sound_card
= {
301 .dai_link
= rx51_dai
,
302 .num_links
= ARRAY_SIZE(rx51_dai
),
303 .platform
= &omap_soc_platform
,
306 /* Audio subsystem */
307 static struct snd_soc_device rx51_snd_devdata
= {
308 .card
= &rx51_sound_card
,
309 .codec_dev
= &soc_codec_dev_aic3x
,
310 .codec_data
= &rx51_aic34_setup
,
313 static struct platform_device
*rx51_snd_device
;
315 static int __init
rx51_soc_init(void)
319 if (!machine_is_nokia_rx51())
322 err
= gpio_request(RX51_TVOUT_SEL_GPIO
, "tvout_sel");
324 goto err_gpio_tvout_sel
;
325 gpio_direction_output(RX51_TVOUT_SEL_GPIO
, 0);
327 rx51_snd_device
= platform_device_alloc("soc-audio", -1);
328 if (!rx51_snd_device
) {
333 platform_set_drvdata(rx51_snd_device
, &rx51_snd_devdata
);
334 rx51_snd_devdata
.dev
= &rx51_snd_device
->dev
;
335 *(unsigned int *)rx51_dai
[0].cpu_dai
->private_data
= 1; /* McBSP2 */
337 err
= platform_device_add(rx51_snd_device
);
343 platform_device_put(rx51_snd_device
);
345 gpio_free(RX51_TVOUT_SEL_GPIO
);
351 static void __exit
rx51_soc_exit(void)
353 snd_soc_jack_free_gpios(&rx51_av_jack
, ARRAY_SIZE(rx51_av_jack_gpios
),
356 platform_device_unregister(rx51_snd_device
);
357 gpio_free(RX51_TVOUT_SEL_GPIO
);
360 module_init(rx51_soc_init
);
361 module_exit(rx51_soc_exit
);
363 MODULE_AUTHOR("Nokia Corporation");
364 MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
365 MODULE_LICENSE("GPL");