1 /*
2 * linux/sound/soc/pxa/ttc_dkb.c
3 *
4 * Copyright (C) 2012 Marvell International Ltd.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21 #include <linux/module.h>
22 #include <linux/moduleparam.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/soc.h>
26 #include <sound/jack.h>
27 #include <asm/mach-types.h>
28 #include <sound/pcm_params.h>
29 #include "../codecs/88pm860x-codec.h"
30
31 static struct snd_soc_jack hs_jack, mic_jack;
32
33 static struct snd_soc_jack_pin hs_jack_pins[] = {
34 { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, },
35 };
36
37 static struct snd_soc_jack_pin mic_jack_pins[] = {
38 { .pin = "Headset Mic 2", .mask = SND_JACK_MICROPHONE, },
39 };
40
41 /* ttc machine dapm widgets */
42 static const struct snd_soc_dapm_widget ttc_dapm_widgets[] = {
43 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
44 SND_SOC_DAPM_LINE("Lineout Out 1", NULL),
45 SND_SOC_DAPM_LINE("Lineout Out 2", NULL),
46 SND_SOC_DAPM_SPK("Ext Speaker", NULL),
47 SND_SOC_DAPM_MIC("Ext Mic 1", NULL),
48 SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
49 SND_SOC_DAPM_MIC("Ext Mic 3", NULL),
50 };
51
52 /* ttc machine audio map */
53 static const struct snd_soc_dapm_route ttc_audio_map[] = {
54 {"Headset Stereophone", NULL, "HS1"},
55 {"Headset Stereophone", NULL, "HS2"},
56
57 {"Ext Speaker", NULL, "LSP"},
58 {"Ext Speaker", NULL, "LSN"},
59
60 {"Lineout Out 1", NULL, "LINEOUT1"},
61 {"Lineout Out 2", NULL, "LINEOUT2"},
62
63 {"MIC1P", NULL, "Mic1 Bias"},
64 {"MIC1N", NULL, "Mic1 Bias"},
65 {"Mic1 Bias", NULL, "Ext Mic 1"},
66
67 {"MIC2P", NULL, "Mic1 Bias"},
68 {"MIC2N", NULL, "Mic1 Bias"},
69 {"Mic1 Bias", NULL, "Headset Mic 2"},
70
71 {"MIC3P", NULL, "Mic3 Bias"},
72 {"MIC3N", NULL, "Mic3 Bias"},
73 {"Mic3 Bias", NULL, "Ext Mic 3"},
74 };
75
ttc_pm860x_init(struct snd_soc_pcm_runtime * rtd)76 static int ttc_pm860x_init(struct snd_soc_pcm_runtime *rtd)
77 {
78 struct snd_soc_codec *codec = rtd->codec;
79 struct snd_soc_dapm_context *dapm = &codec->dapm;
80
81 /* connected pins */
82 snd_soc_dapm_enable_pin(dapm, "Ext Speaker");
83 snd_soc_dapm_enable_pin(dapm, "Ext Mic 1");
84 snd_soc_dapm_enable_pin(dapm, "Ext Mic 3");
85 snd_soc_dapm_disable_pin(dapm, "Headset Mic 2");
86 snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
87
88 /* Headset jack detection */
89 snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE
90 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2,
91 &hs_jack);
92 snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
93 hs_jack_pins);
94 snd_soc_jack_new(codec, "Microphone Jack", SND_JACK_MICROPHONE,
95 &mic_jack);
96 snd_soc_jack_add_pins(&mic_jack, ARRAY_SIZE(mic_jack_pins),
97 mic_jack_pins);
98
99 /* headphone, microphone detection & headset short detection */
100 pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE,
101 SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2);
102 pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE);
103
104 return 0;
105 }
106
107 /* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */
108 static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = {
109 {
110 .name = "88pm860x i2s",
111 .stream_name = "audio playback",
112 .codec_name = "88pm860x-codec",
113 .platform_name = "mmp-pcm-audio",
114 .cpu_dai_name = "pxa-ssp-dai.1",
115 .codec_dai_name = "88pm860x-i2s",
116 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
117 SND_SOC_DAIFMT_CBM_CFM,
118 .init = ttc_pm860x_init,
119 },
120 };
121
122 /* ttc/td audio machine driver */
123 static struct snd_soc_card ttc_dkb_card = {
124 .name = "ttc-dkb-hifi",
125 .dai_link = ttc_pm860x_hifi_dai,
126 .num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai),
127
128 .dapm_widgets = ttc_dapm_widgets,
129 .num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets),
130 .dapm_routes = ttc_audio_map,
131 .num_dapm_routes = ARRAY_SIZE(ttc_audio_map),
132 };
133
ttc_dkb_probe(struct platform_device * pdev)134 static int ttc_dkb_probe(struct platform_device *pdev)
135 {
136 struct snd_soc_card *card = &ttc_dkb_card;
137 int ret;
138
139 card->dev = &pdev->dev;
140
141 ret = snd_soc_register_card(card);
142 if (ret)
143 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
144 ret);
145
146 return ret;
147 }
148
ttc_dkb_remove(struct platform_device * pdev)149 static int ttc_dkb_remove(struct platform_device *pdev)
150 {
151 struct snd_soc_card *card = platform_get_drvdata(pdev);
152
153 snd_soc_unregister_card(card);
154
155 return 0;
156 }
157
158 static struct platform_driver ttc_dkb_driver = {
159 .driver = {
160 .name = "ttc-dkb-audio",
161 .owner = THIS_MODULE,
162 },
163 .probe = ttc_dkb_probe,
164 .remove = ttc_dkb_remove,
165 };
166
167 module_platform_driver(ttc_dkb_driver);
168
169 /* Module information */
170 MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>");
171 MODULE_DESCRIPTION("ALSA SoC TTC DKB");
172 MODULE_LICENSE("GPL");
173 MODULE_ALIAS("platform:ttc-dkb-audio");
174