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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 | ||
6524c8e3 | 36 | #include "omap-dmic.h" |
f5f9d7bf | 37 | #include "omap-mcpdm.h" |
5e64d6aa MLC |
38 | #include "omap-pcm.h" |
39 | #include "../codecs/twl6040.h" | |
40 | ||
5e64d6aa MLC |
41 | static int sdp4430_hw_params(struct snd_pcm_substream *substream, |
42 | struct snd_pcm_hw_params *params) | |
43 | { | |
44 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 45 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
5e64d6aa MLC |
46 | int clk_id, freq; |
47 | int ret; | |
48 | ||
af958c72 PU |
49 | clk_id = twl6040_get_clk_id(rtd->codec); |
50 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | |
5e64d6aa | 51 | freq = 38400000; |
af958c72 | 52 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) |
5e64d6aa | 53 | freq = 32768; |
af958c72 PU |
54 | else |
55 | return -EINVAL; | |
5e64d6aa MLC |
56 | |
57 | /* set the codec mclk */ | |
58 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | |
59 | SND_SOC_CLOCK_IN); | |
60 | if (ret) { | |
61 | printk(KERN_ERR "can't set codec system clock\n"); | |
62 | return ret; | |
63 | } | |
f0fba2ad | 64 | return ret; |
5e64d6aa MLC |
65 | } |
66 | ||
67 | static struct snd_soc_ops sdp4430_ops = { | |
68 | .hw_params = sdp4430_hw_params, | |
69 | }; | |
70 | ||
6524c8e3 PU |
71 | static int sdp4430_dmic_hw_params(struct snd_pcm_substream *substream, |
72 | struct snd_pcm_hw_params *params) | |
73 | { | |
74 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
75 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
76 | int ret = 0; | |
77 | ||
78 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, | |
79 | 19200000, SND_SOC_CLOCK_IN); | |
80 | if (ret < 0) { | |
81 | printk(KERN_ERR "can't set DMIC cpu system clock\n"); | |
82 | return ret; | |
83 | } | |
84 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, | |
85 | SND_SOC_CLOCK_OUT); | |
86 | if (ret < 0) { | |
87 | printk(KERN_ERR "can't set DMIC output clock\n"); | |
88 | return ret; | |
89 | } | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static struct snd_soc_ops sdp4430_dmic_ops = { | |
94 | .hw_params = sdp4430_dmic_hw_params, | |
95 | }; | |
96 | ||
96dc227c JEC |
97 | /* Headset jack */ |
98 | static struct snd_soc_jack hs_jack; | |
99 | ||
100 | /*Headset jack detection DAPM pins */ | |
101 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
102 | { | |
103 | .pin = "Headset Mic", | |
104 | .mask = SND_JACK_MICROPHONE, | |
105 | }, | |
106 | { | |
107 | .pin = "Headset Stereophone", | |
108 | .mask = SND_JACK_HEADPHONE, | |
109 | }, | |
110 | }; | |
111 | ||
5e64d6aa MLC |
112 | /* SDP4430 machine DAPM */ |
113 | static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = { | |
114 | SND_SOC_DAPM_MIC("Ext Mic", NULL), | |
115 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
116 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
117 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
7254e2bd | 118 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), |
5382ffbb | 119 | SND_SOC_DAPM_INPUT("FM Stereo In"), |
5e64d6aa MLC |
120 | }; |
121 | ||
122 | static const struct snd_soc_dapm_route audio_map[] = { | |
123 | /* External Mics: MAINMIC, SUBMIC with bias*/ | |
124 | {"MAINMIC", NULL, "Main Mic Bias"}, | |
125 | {"SUBMIC", NULL, "Main Mic Bias"}, | |
126 | {"Main Mic Bias", NULL, "Ext Mic"}, | |
127 | ||
128 | /* External Speakers: HFL, HFR */ | |
129 | {"Ext Spk", NULL, "HFL"}, | |
130 | {"Ext Spk", NULL, "HFR"}, | |
131 | ||
132 | /* Headset Mic: HSMIC with bias */ | |
133 | {"HSMIC", NULL, "Headset Mic Bias"}, | |
134 | {"Headset Mic Bias", NULL, "Headset Mic"}, | |
135 | ||
136 | /* Headset Stereophone (Headphone): HSOL, HSOR */ | |
137 | {"Headset Stereophone", NULL, "HSOL"}, | |
138 | {"Headset Stereophone", NULL, "HSOR"}, | |
7254e2bd JEC |
139 | |
140 | /* Earphone speaker */ | |
141 | {"Earphone Spk", NULL, "EP"}, | |
23ac3b61 JEC |
142 | |
143 | /* Aux/FM Stereo In: AFML, AFMR */ | |
5382ffbb UP |
144 | {"AFML", NULL, "FM Stereo In"}, |
145 | {"AFMR", NULL, "FM Stereo In"}, | |
5e64d6aa MLC |
146 | }; |
147 | ||
f0fba2ad | 148 | static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd) |
5e64d6aa | 149 | { |
f0fba2ad | 150 | struct snd_soc_codec *codec = rtd->codec; |
7bf3d92c | 151 | int ret, hs_trim; |
5e64d6aa | 152 | |
7bf3d92c PU |
153 | /* |
154 | * Configure McPDM offset cancellation based on the HSOTRIM value from | |
155 | * twl6040. | |
156 | */ | |
157 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | |
158 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | |
159 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | |
160 | ||
96dc227c JEC |
161 | /* Headset jack detection */ |
162 | ret = snd_soc_jack_new(codec, "Headset Jack", | |
163 | SND_JACK_HEADSET, &hs_jack); | |
164 | if (ret) | |
165 | return ret; | |
166 | ||
167 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), | |
168 | hs_jack_pins); | |
169 | ||
170 | if (machine_is_omap_4430sdp()) | |
171 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); | |
172 | else | |
173 | snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET); | |
5e64d6aa MLC |
174 | |
175 | return ret; | |
176 | } | |
177 | ||
6524c8e3 PU |
178 | static const struct snd_soc_dapm_widget sdp4430_dmic_dapm_widgets[] = { |
179 | SND_SOC_DAPM_MIC("Digital Mic", NULL), | |
180 | }; | |
181 | ||
182 | static const struct snd_soc_dapm_route dmic_audio_map[] = { | |
183 | {"DMic", NULL, "Digital Mic1 Bias"}, | |
184 | {"Digital Mic1 Bias", NULL, "Digital Mic"}, | |
185 | }; | |
186 | ||
187 | static int sdp4430_dmic_init(struct snd_soc_pcm_runtime *rtd) | |
188 | { | |
189 | struct snd_soc_codec *codec = rtd->codec; | |
190 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
191 | int ret; | |
192 | ||
193 | ret = snd_soc_dapm_new_controls(dapm, sdp4430_dmic_dapm_widgets, | |
194 | ARRAY_SIZE(sdp4430_dmic_dapm_widgets)); | |
195 | if (ret) | |
196 | return ret; | |
197 | ||
198 | return snd_soc_dapm_add_routes(dapm, dmic_audio_map, | |
199 | ARRAY_SIZE(dmic_audio_map)); | |
200 | } | |
201 | ||
5e64d6aa | 202 | /* Digital audio interface glue - connects codec <--> CPU */ |
6524c8e3 PU |
203 | static struct snd_soc_dai_link sdp4430_dai[] = { |
204 | { | |
205 | .name = "TWL6040", | |
206 | .stream_name = "TWL6040", | |
207 | .cpu_dai_name = "omap-mcpdm", | |
208 | .codec_dai_name = "twl6040-legacy", | |
209 | .platform_name = "omap-pcm-audio", | |
210 | .codec_name = "twl6040-codec", | |
211 | .init = sdp4430_twl6040_init, | |
212 | .ops = &sdp4430_ops, | |
213 | }, | |
214 | { | |
215 | .name = "DMIC", | |
216 | .stream_name = "DMIC Capture", | |
217 | .cpu_dai_name = "omap-dmic", | |
218 | .codec_dai_name = "dmic-hifi", | |
219 | .platform_name = "omap-pcm-audio", | |
220 | .codec_name = "dmic-codec", | |
221 | .init = sdp4430_dmic_init, | |
222 | .ops = &sdp4430_dmic_ops, | |
223 | }, | |
5e64d6aa MLC |
224 | }; |
225 | ||
226 | /* Audio machine driver */ | |
227 | static struct snd_soc_card snd_soc_sdp4430 = { | |
228 | .name = "SDP4430", | |
6524c8e3 PU |
229 | .dai_link = sdp4430_dai, |
230 | .num_links = ARRAY_SIZE(sdp4430_dai), | |
fc8e5b4c PU |
231 | |
232 | .dapm_widgets = sdp4430_twl6040_dapm_widgets, | |
233 | .num_dapm_widgets = ARRAY_SIZE(sdp4430_twl6040_dapm_widgets), | |
234 | .dapm_routes = audio_map, | |
235 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
5e64d6aa MLC |
236 | }; |
237 | ||
5e64d6aa MLC |
238 | static struct platform_device *sdp4430_snd_device; |
239 | ||
240 | static int __init sdp4430_soc_init(void) | |
241 | { | |
242 | int ret; | |
243 | ||
ec588ae6 | 244 | if (!machine_is_omap_4430sdp()) |
5e64d6aa | 245 | return -ENODEV; |
5e64d6aa MLC |
246 | printk(KERN_INFO "SDP4430 SoC init\n"); |
247 | ||
248 | sdp4430_snd_device = platform_device_alloc("soc-audio", -1); | |
249 | if (!sdp4430_snd_device) { | |
250 | printk(KERN_ERR "Platform device allocation failed\n"); | |
251 | return -ENOMEM; | |
252 | } | |
253 | ||
f0fba2ad | 254 | platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430); |
5e64d6aa MLC |
255 | |
256 | ret = platform_device_add(sdp4430_snd_device); | |
257 | if (ret) | |
258 | goto err; | |
259 | ||
5e64d6aa MLC |
260 | return 0; |
261 | ||
262 | err: | |
263 | printk(KERN_ERR "Unable to add platform device\n"); | |
264 | platform_device_put(sdp4430_snd_device); | |
265 | return ret; | |
266 | } | |
267 | module_init(sdp4430_soc_init); | |
268 | ||
269 | static void __exit sdp4430_soc_exit(void) | |
270 | { | |
271 | platform_device_unregister(sdp4430_snd_device); | |
272 | } | |
273 | module_exit(sdp4430_soc_exit); | |
274 | ||
275 | MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); | |
276 | MODULE_DESCRIPTION("ALSA SoC SDP4430"); | |
277 | MODULE_LICENSE("GPL"); | |
278 |