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5e64d6aa MLC |
1 | /* |
2 | * sdp4430.c -- SoC audio for TI OMAP4430 SDP | |
3 | * | |
4 | * Author: Misael Lopez Cruz <x0052729@ti.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * version 2 as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
18 | * 02110-1301 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <linux/clk.h> | |
23 | #include <linux/platform_device.h> | |
fb34d3d5 | 24 | #include <linux/mfd/twl6040.h> |
da155d5b | 25 | #include <linux/module.h> |
fb34d3d5 | 26 | |
5e64d6aa MLC |
27 | #include <sound/core.h> |
28 | #include <sound/pcm.h> | |
29 | #include <sound/soc.h> | |
96dc227c | 30 | #include <sound/jack.h> |
5e64d6aa MLC |
31 | |
32 | #include <asm/mach-types.h> | |
33 | #include <plat/hardware.h> | |
34 | #include <plat/mux.h> | |
35 | ||
f5f9d7bf | 36 | #include "omap-mcpdm.h" |
5e64d6aa MLC |
37 | #include "omap-pcm.h" |
38 | #include "../codecs/twl6040.h" | |
39 | ||
5e64d6aa MLC |
40 | static int sdp4430_hw_params(struct snd_pcm_substream *substream, |
41 | struct snd_pcm_hw_params *params) | |
42 | { | |
43 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 44 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
5e64d6aa MLC |
45 | int clk_id, freq; |
46 | int ret; | |
47 | ||
af958c72 PU |
48 | clk_id = twl6040_get_clk_id(rtd->codec); |
49 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | |
5e64d6aa | 50 | freq = 38400000; |
af958c72 | 51 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) |
5e64d6aa | 52 | freq = 32768; |
af958c72 PU |
53 | else |
54 | return -EINVAL; | |
5e64d6aa MLC |
55 | |
56 | /* set the codec mclk */ | |
57 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | |
58 | SND_SOC_CLOCK_IN); | |
59 | if (ret) { | |
60 | printk(KERN_ERR "can't set codec system clock\n"); | |
61 | return ret; | |
62 | } | |
f0fba2ad | 63 | return ret; |
5e64d6aa MLC |
64 | } |
65 | ||
66 | static struct snd_soc_ops sdp4430_ops = { | |
67 | .hw_params = sdp4430_hw_params, | |
68 | }; | |
69 | ||
96dc227c JEC |
70 | /* Headset jack */ |
71 | static struct snd_soc_jack hs_jack; | |
72 | ||
73 | /*Headset jack detection DAPM pins */ | |
74 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
75 | { | |
76 | .pin = "Headset Mic", | |
77 | .mask = SND_JACK_MICROPHONE, | |
78 | }, | |
79 | { | |
80 | .pin = "Headset Stereophone", | |
81 | .mask = SND_JACK_HEADPHONE, | |
82 | }, | |
83 | }; | |
84 | ||
5e64d6aa MLC |
85 | /* SDP4430 machine DAPM */ |
86 | static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = { | |
87 | SND_SOC_DAPM_MIC("Ext Mic", NULL), | |
88 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
89 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
90 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
7254e2bd | 91 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), |
5382ffbb | 92 | SND_SOC_DAPM_INPUT("FM Stereo In"), |
5e64d6aa MLC |
93 | }; |
94 | ||
95 | static const struct snd_soc_dapm_route audio_map[] = { | |
96 | /* External Mics: MAINMIC, SUBMIC with bias*/ | |
97 | {"MAINMIC", NULL, "Main Mic Bias"}, | |
98 | {"SUBMIC", NULL, "Main Mic Bias"}, | |
99 | {"Main Mic Bias", NULL, "Ext Mic"}, | |
100 | ||
101 | /* External Speakers: HFL, HFR */ | |
102 | {"Ext Spk", NULL, "HFL"}, | |
103 | {"Ext Spk", NULL, "HFR"}, | |
104 | ||
105 | /* Headset Mic: HSMIC with bias */ | |
106 | {"HSMIC", NULL, "Headset Mic Bias"}, | |
107 | {"Headset Mic Bias", NULL, "Headset Mic"}, | |
108 | ||
109 | /* Headset Stereophone (Headphone): HSOL, HSOR */ | |
110 | {"Headset Stereophone", NULL, "HSOL"}, | |
111 | {"Headset Stereophone", NULL, "HSOR"}, | |
7254e2bd JEC |
112 | |
113 | /* Earphone speaker */ | |
114 | {"Earphone Spk", NULL, "EP"}, | |
23ac3b61 JEC |
115 | |
116 | /* Aux/FM Stereo In: AFML, AFMR */ | |
5382ffbb UP |
117 | {"AFML", NULL, "FM Stereo In"}, |
118 | {"AFMR", NULL, "FM Stereo In"}, | |
5e64d6aa MLC |
119 | }; |
120 | ||
f0fba2ad | 121 | static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd) |
5e64d6aa | 122 | { |
f0fba2ad | 123 | struct snd_soc_codec *codec = rtd->codec; |
7bf3d92c | 124 | int ret, hs_trim; |
5e64d6aa | 125 | |
7bf3d92c PU |
126 | /* |
127 | * Configure McPDM offset cancellation based on the HSOTRIM value from | |
128 | * twl6040. | |
129 | */ | |
130 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | |
131 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | |
132 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | |
133 | ||
96dc227c JEC |
134 | /* Headset jack detection */ |
135 | ret = snd_soc_jack_new(codec, "Headset Jack", | |
136 | SND_JACK_HEADSET, &hs_jack); | |
137 | if (ret) | |
138 | return ret; | |
139 | ||
140 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), | |
141 | hs_jack_pins); | |
142 | ||
143 | if (machine_is_omap_4430sdp()) | |
144 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); | |
145 | else | |
146 | snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET); | |
5e64d6aa MLC |
147 | |
148 | return ret; | |
149 | } | |
150 | ||
151 | /* Digital audio interface glue - connects codec <--> CPU */ | |
152 | static struct snd_soc_dai_link sdp4430_dai = { | |
153 | .name = "TWL6040", | |
154 | .stream_name = "TWL6040", | |
3a98cd6b | 155 | .cpu_dai_name = "omap-mcpdm", |
d13f1fe0 | 156 | .codec_dai_name = "twl6040-legacy", |
f0fba2ad LG |
157 | .platform_name = "omap-pcm-audio", |
158 | .codec_name = "twl6040-codec", | |
5e64d6aa | 159 | .init = sdp4430_twl6040_init, |
d8b55d2c | 160 | .ops = &sdp4430_ops, |
5e64d6aa MLC |
161 | }; |
162 | ||
163 | /* Audio machine driver */ | |
164 | static struct snd_soc_card snd_soc_sdp4430 = { | |
165 | .name = "SDP4430", | |
5e64d6aa MLC |
166 | .dai_link = &sdp4430_dai, |
167 | .num_links = 1, | |
fc8e5b4c PU |
168 | |
169 | .dapm_widgets = sdp4430_twl6040_dapm_widgets, | |
170 | .num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets), | |
171 | .dapm_routes = audio_map, | |
172 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
5e64d6aa MLC |
173 | }; |
174 | ||
5e64d6aa MLC |
175 | static struct platform_device *sdp4430_snd_device; |
176 | ||
177 | static int __init sdp4430_soc_init(void) | |
178 | { | |
179 | int ret; | |
180 | ||
ec588ae6 | 181 | if (!machine_is_omap_4430sdp()) |
5e64d6aa | 182 | return -ENODEV; |
5e64d6aa MLC |
183 | printk(KERN_INFO "SDP4430 SoC init\n"); |
184 | ||
185 | sdp4430_snd_device = platform_device_alloc("soc-audio", -1); | |
186 | if (!sdp4430_snd_device) { | |
187 | printk(KERN_ERR "Platform device allocation failed\n"); | |
188 | return -ENOMEM; | |
189 | } | |
190 | ||
f0fba2ad | 191 | platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430); |
5e64d6aa MLC |
192 | |
193 | ret = platform_device_add(sdp4430_snd_device); | |
194 | if (ret) | |
195 | goto err; | |
196 | ||
5e64d6aa MLC |
197 | return 0; |
198 | ||
199 | err: | |
200 | printk(KERN_ERR "Unable to add platform device\n"); | |
201 | platform_device_put(sdp4430_snd_device); | |
202 | return ret; | |
203 | } | |
204 | module_init(sdp4430_soc_init); | |
205 | ||
206 | static void __exit sdp4430_soc_exit(void) | |
207 | { | |
208 | platform_device_unregister(sdp4430_snd_device); | |
209 | } | |
210 | module_exit(sdp4430_soc_exit); | |
211 | ||
212 | MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); | |
213 | MODULE_DESCRIPTION("ALSA SoC SDP4430"); | |
214 | MODULE_LICENSE("GPL"); | |
215 |