2 * tosa.c -- SoC audio for Tosa
4 * Copyright 2005 Wolfson Microelectronics PLC.
5 * Copyright 2005 Openedhand Ltd.
7 * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
8 * Richard Purdie <richard@openedhand.com>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
16 * 30th Nov 2005 Initial version.
20 * 5 - Hookswitch (headset answer/hang up switch)
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/device.h>
28 #include <sound/core.h>
29 #include <sound/pcm.h>
30 #include <sound/soc.h>
31 #include <sound/soc-dapm.h>
33 #include <asm/mach-types.h>
34 #include <asm/hardware/tmio.h>
35 #include <asm/arch/pxa-regs.h>
36 #include <asm/arch/hardware.h>
37 #include <asm/arch/audio.h>
38 #include <asm/arch/tosa.h>
40 #include "../codecs/wm9712.h"
41 #include "pxa2xx-pcm.h"
42 #include "pxa2xx-ac97.h"
44 static struct snd_soc_machine tosa
;
47 #define TOSA_MIC_INT 1
48 #define TOSA_HEADSET 2
51 #define TOSA_SPK_OFF 1
53 static int tosa_jack_func
;
54 static int tosa_spk_func
;
56 static void tosa_ext_control(struct snd_soc_codec
*codec
)
58 int spk
= 0, mic_int
= 0, hp
= 0, hs
= 0;
60 /* set up jack connection */
61 switch (tosa_jack_func
) {
73 if (tosa_spk_func
== TOSA_SPK_ON
)
76 snd_soc_dapm_set_endpoint(codec
, "Speaker", spk
);
77 snd_soc_dapm_set_endpoint(codec
, "Mic (Internal)", mic_int
);
78 snd_soc_dapm_set_endpoint(codec
, "Headphone Jack", hp
);
79 snd_soc_dapm_set_endpoint(codec
, "Headset Jack", hs
);
80 snd_soc_dapm_sync_endpoints(codec
);
83 static int tosa_startup(struct snd_pcm_substream
*substream
)
85 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
86 struct snd_soc_codec
*codec
= rtd
->socdev
->codec
;
88 /* check the jack status at stream startup */
89 tosa_ext_control(codec
);
93 static struct snd_soc_ops tosa_ops
= {
94 .startup
= tosa_startup
,
97 static int tosa_get_jack(struct snd_kcontrol
*kcontrol
,
98 struct snd_ctl_elem_value
*ucontrol
)
100 ucontrol
->value
.integer
.value
[0] = tosa_jack_func
;
104 static int tosa_set_jack(struct snd_kcontrol
*kcontrol
,
105 struct snd_ctl_elem_value
*ucontrol
)
107 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
109 if (tosa_jack_func
== ucontrol
->value
.integer
.value
[0])
112 tosa_jack_func
= ucontrol
->value
.integer
.value
[0];
113 tosa_ext_control(codec
);
117 static int tosa_get_spk(struct snd_kcontrol
*kcontrol
,
118 struct snd_ctl_elem_value
*ucontrol
)
120 ucontrol
->value
.integer
.value
[0] = tosa_spk_func
;
124 static int tosa_set_spk(struct snd_kcontrol
*kcontrol
,
125 struct snd_ctl_elem_value
*ucontrol
)
127 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
129 if (tosa_spk_func
== ucontrol
->value
.integer
.value
[0])
132 tosa_spk_func
= ucontrol
->value
.integer
.value
[0];
133 tosa_ext_control(codec
);
137 /* tosa dapm event handlers */
138 static int tosa_hp_event(struct snd_soc_dapm_widget
*w
,
139 struct snd_kcontrol
*k
, int event
)
141 if (SND_SOC_DAPM_EVENT_ON(event
))
142 set_tc6393_gpio(&tc6393_device
.dev
,TOSA_TC6393_L_MUTE
);
144 reset_tc6393_gpio(&tc6393_device
.dev
,TOSA_TC6393_L_MUTE
);
148 /* tosa machine dapm widgets */
149 static const struct snd_soc_dapm_widget tosa_dapm_widgets
[] = {
150 SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event
),
151 SND_SOC_DAPM_HP("Headset Jack", NULL
),
152 SND_SOC_DAPM_MIC("Mic (Internal)", NULL
),
153 SND_SOC_DAPM_SPK("Speaker", NULL
),
157 static const char *audio_map
[][3] = {
159 /* headphone connected to HPOUTL, HPOUTR */
160 {"Headphone Jack", NULL
, "HPOUTL"},
161 {"Headphone Jack", NULL
, "HPOUTR"},
163 /* ext speaker connected to LOUT2, ROUT2 */
164 {"Speaker", NULL
, "LOUT2"},
165 {"Speaker", NULL
, "ROUT2"},
167 /* internal mic is connected to mic1, mic2 differential - with bias */
168 {"MIC1", NULL
, "Mic Bias"},
169 {"MIC2", NULL
, "Mic Bias"},
170 {"Mic Bias", NULL
, "Mic (Internal)"},
172 /* headset is connected to HPOUTR, and LINEINR with bias */
173 {"Headset Jack", NULL
, "HPOUTR"},
174 {"LINEINR", NULL
, "Mic Bias"},
175 {"Mic Bias", NULL
, "Headset Jack"},
180 static const char *jack_function
[] = {"Headphone", "Mic", "Line", "Headset",
182 static const char *spk_function
[] = {"On", "Off"};
183 static const struct soc_enum tosa_enum
[] = {
184 SOC_ENUM_SINGLE_EXT(5, jack_function
),
185 SOC_ENUM_SINGLE_EXT(2, spk_function
),
188 static const struct snd_kcontrol_new tosa_controls
[] = {
189 SOC_ENUM_EXT("Jack Function", tosa_enum
[0], tosa_get_jack
,
191 SOC_ENUM_EXT("Speaker Function", tosa_enum
[1], tosa_get_spk
,
195 static int tosa_ac97_init(struct snd_soc_codec
*codec
)
199 snd_soc_dapm_set_endpoint(codec
, "OUT3", 0);
200 snd_soc_dapm_set_endpoint(codec
, "MONOOUT", 0);
202 /* add tosa specific controls */
203 for (i
= 0; i
< ARRAY_SIZE(tosa_controls
); i
++) {
204 err
= snd_ctl_add(codec
->card
,
205 snd_soc_cnew(&tosa_controls
[i
],codec
, NULL
));
210 /* add tosa specific widgets */
211 for (i
= 0; i
< ARRAY_SIZE(tosa_dapm_widgets
); i
++) {
212 snd_soc_dapm_new_control(codec
, &tosa_dapm_widgets
[i
]);
215 /* set up tosa specific audio path audio_map */
216 for (i
= 0; audio_map
[i
][0] != NULL
; i
++) {
217 snd_soc_dapm_connect_input(codec
, audio_map
[i
][0],
218 audio_map
[i
][1], audio_map
[i
][2]);
221 snd_soc_dapm_sync_endpoints(codec
);
225 static struct snd_soc_dai_link tosa_dai
[] = {
228 .stream_name
= "AC97 HiFi",
229 .cpu_dai
= &pxa_ac97_dai
[PXA2XX_DAI_AC97_HIFI
],
230 .codec_dai
= &wm9712_dai
[WM9712_DAI_AC97_HIFI
],
231 .init
= tosa_ac97_init
,
236 .stream_name
= "AC97 Aux",
237 .cpu_dai
= &pxa_ac97_dai
[PXA2XX_DAI_AC97_AUX
],
238 .codec_dai
= &wm9712_dai
[WM9712_DAI_AC97_AUX
],
243 static struct snd_soc_machine tosa
= {
245 .dai_link
= tosa_dai
,
246 .num_links
= ARRAY_SIZE(tosa_dai
),
249 static struct snd_soc_device tosa_snd_devdata
= {
251 .platform
= &pxa2xx_soc_platform
,
252 .codec_dev
= &soc_codec_dev_wm9712
,
255 static struct platform_device
*tosa_snd_device
;
257 static int __init
tosa_init(void)
261 if (!machine_is_tosa())
264 tosa_snd_device
= platform_device_alloc("soc-audio", -1);
265 if (!tosa_snd_device
)
268 platform_set_drvdata(tosa_snd_device
, &tosa_snd_devdata
);
269 tosa_snd_devdata
.dev
= &tosa_snd_device
->dev
;
270 ret
= platform_device_add(tosa_snd_device
);
273 platform_device_put(tosa_snd_device
);
278 static void __exit
tosa_exit(void)
280 platform_device_unregister(tosa_snd_device
);
283 module_init(tosa_init
);
284 module_exit(tosa_exit
);
286 /* Module information */
287 MODULE_AUTHOR("Richard Purdie");
288 MODULE_DESCRIPTION("ALSA SoC Tosa");
289 MODULE_LICENSE("GPL");