Commit | Line | Data |
---|---|---|
5e64d6aa | 1 | /* |
13f81d65 PU |
2 | * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and |
3 | * twl6040 codec | |
5e64d6aa | 4 | * |
8747a6b7 | 5 | * Author: Misael Lopez Cruz <misael.lopez@ti.com> |
5e64d6aa MLC |
6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * version 2 as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * 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., 51 Franklin St, Fifth Floor, Boston, MA | |
19 | * 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <linux/clk.h> | |
24 | #include <linux/platform_device.h> | |
fb34d3d5 | 25 | #include <linux/mfd/twl6040.h> |
d1be1d2f | 26 | #include <linux/platform_data/omap-abe-twl6040.h> |
da155d5b | 27 | #include <linux/module.h> |
fb34d3d5 | 28 | |
5e64d6aa MLC |
29 | #include <sound/core.h> |
30 | #include <sound/pcm.h> | |
31 | #include <sound/soc.h> | |
96dc227c | 32 | #include <sound/jack.h> |
5e64d6aa MLC |
33 | |
34 | #include <asm/mach-types.h> | |
35 | #include <plat/hardware.h> | |
36 | #include <plat/mux.h> | |
37 | ||
6524c8e3 | 38 | #include "omap-dmic.h" |
f5f9d7bf | 39 | #include "omap-mcpdm.h" |
5e64d6aa MLC |
40 | #include "omap-pcm.h" |
41 | #include "../codecs/twl6040.h" | |
42 | ||
356bccbe PU |
43 | struct abe_twl6040 { |
44 | int jack_detection; /* board can detect jack events */ | |
45 | int mclk_freq; /* MCLK frequency speed for twl6040 */ | |
46 | }; | |
47 | ||
13f81d65 | 48 | static int omap_abe_hw_params(struct snd_pcm_substream *substream, |
5e64d6aa MLC |
49 | struct snd_pcm_hw_params *params) |
50 | { | |
51 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 52 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
62ba98ce PU |
53 | struct snd_soc_codec *codec = rtd->codec; |
54 | struct snd_soc_card *card = codec->card; | |
356bccbe | 55 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
5e64d6aa MLC |
56 | int clk_id, freq; |
57 | int ret; | |
58 | ||
af958c72 PU |
59 | clk_id = twl6040_get_clk_id(rtd->codec); |
60 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | |
356bccbe | 61 | freq = priv->mclk_freq; |
af958c72 | 62 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) |
5e64d6aa | 63 | freq = 32768; |
af958c72 PU |
64 | else |
65 | return -EINVAL; | |
5e64d6aa MLC |
66 | |
67 | /* set the codec mclk */ | |
68 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | |
69 | SND_SOC_CLOCK_IN); | |
70 | if (ret) { | |
71 | printk(KERN_ERR "can't set codec system clock\n"); | |
72 | return ret; | |
73 | } | |
f0fba2ad | 74 | return ret; |
5e64d6aa MLC |
75 | } |
76 | ||
13f81d65 PU |
77 | static struct snd_soc_ops omap_abe_ops = { |
78 | .hw_params = omap_abe_hw_params, | |
5e64d6aa MLC |
79 | }; |
80 | ||
13f81d65 | 81 | static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream, |
6524c8e3 PU |
82 | struct snd_pcm_hw_params *params) |
83 | { | |
84 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
85 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
86 | int ret = 0; | |
87 | ||
88 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, | |
89 | 19200000, SND_SOC_CLOCK_IN); | |
90 | if (ret < 0) { | |
91 | printk(KERN_ERR "can't set DMIC cpu system clock\n"); | |
92 | return ret; | |
93 | } | |
94 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, | |
95 | SND_SOC_CLOCK_OUT); | |
96 | if (ret < 0) { | |
97 | printk(KERN_ERR "can't set DMIC output clock\n"); | |
98 | return ret; | |
99 | } | |
100 | return 0; | |
101 | } | |
102 | ||
13f81d65 PU |
103 | static struct snd_soc_ops omap_abe_dmic_ops = { |
104 | .hw_params = omap_abe_dmic_hw_params, | |
6524c8e3 PU |
105 | }; |
106 | ||
96dc227c JEC |
107 | /* Headset jack */ |
108 | static struct snd_soc_jack hs_jack; | |
109 | ||
110 | /*Headset jack detection DAPM pins */ | |
111 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
112 | { | |
113 | .pin = "Headset Mic", | |
114 | .mask = SND_JACK_MICROPHONE, | |
115 | }, | |
116 | { | |
117 | .pin = "Headset Stereophone", | |
118 | .mask = SND_JACK_HEADPHONE, | |
119 | }, | |
120 | }; | |
121 | ||
5e64d6aa | 122 | /* SDP4430 machine DAPM */ |
13f81d65 | 123 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { |
b3208839 | 124 | /* Outputs */ |
5e64d6aa | 125 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), |
7254e2bd | 126 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), |
b3208839 PU |
127 | SND_SOC_DAPM_SPK("Ext Spk", NULL), |
128 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
129 | SND_SOC_DAPM_SPK("Vibrator", NULL), | |
130 | ||
131 | /* Inputs */ | |
132 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
133 | SND_SOC_DAPM_MIC("Main Handset Mic", NULL), | |
134 | SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), | |
135 | SND_SOC_DAPM_LINE("Line In", NULL), | |
7d09f9e9 PU |
136 | |
137 | /* Digital microphones */ | |
138 | SND_SOC_DAPM_MIC("Digital Mic", NULL), | |
5e64d6aa MLC |
139 | }; |
140 | ||
141 | static const struct snd_soc_dapm_route audio_map[] = { | |
b3208839 PU |
142 | /* Routings for outputs */ |
143 | {"Headset Stereophone", NULL, "HSOL"}, | |
144 | {"Headset Stereophone", NULL, "HSOR"}, | |
145 | ||
146 | {"Earphone Spk", NULL, "EP"}, | |
5e64d6aa | 147 | |
5e64d6aa MLC |
148 | {"Ext Spk", NULL, "HFL"}, |
149 | {"Ext Spk", NULL, "HFR"}, | |
150 | ||
b3208839 PU |
151 | {"Line Out", NULL, "AUXL"}, |
152 | {"Line Out", NULL, "AUXR"}, | |
153 | ||
154 | {"Vibrator", NULL, "VIBRAL"}, | |
155 | {"Vibrator", NULL, "VIBRAR"}, | |
156 | ||
157 | /* Routings for inputs */ | |
778cee7a PU |
158 | {"HSMIC", NULL, "Headset Mic"}, |
159 | {"Headset Mic", NULL, "Headset Mic Bias"}, | |
5e64d6aa | 160 | |
b3208839 PU |
161 | {"MAINMIC", NULL, "Main Handset Mic"}, |
162 | {"Main Handset Mic", NULL, "Main Mic Bias"}, | |
7254e2bd | 163 | |
b3208839 PU |
164 | {"SUBMIC", NULL, "Sub Handset Mic"}, |
165 | {"Sub Handset Mic", NULL, "Main Mic Bias"}, | |
23ac3b61 | 166 | |
b3208839 PU |
167 | {"AFML", NULL, "Line In"}, |
168 | {"AFMR", NULL, "Line In"}, | |
5e64d6aa MLC |
169 | }; |
170 | ||
4ca07cb0 PU |
171 | static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm, |
172 | int connected, char *pin) | |
173 | { | |
174 | if (!connected) | |
175 | snd_soc_dapm_disable_pin(dapm, pin); | |
176 | } | |
177 | ||
13f81d65 | 178 | static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) |
5e64d6aa | 179 | { |
f0fba2ad | 180 | struct snd_soc_codec *codec = rtd->codec; |
4ca07cb0 PU |
181 | struct snd_soc_card *card = codec->card; |
182 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
183 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev); | |
356bccbe | 184 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
4ca07cb0 PU |
185 | int hs_trim; |
186 | int ret = 0; | |
187 | ||
188 | /* Disable not connected paths if not used */ | |
189 | twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone"); | |
190 | twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk"); | |
191 | twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk"); | |
192 | twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out"); | |
193 | twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator"); | |
194 | twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic"); | |
195 | twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic"); | |
196 | twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic"); | |
197 | twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In"); | |
5e64d6aa | 198 | |
7bf3d92c PU |
199 | /* |
200 | * Configure McPDM offset cancellation based on the HSOTRIM value from | |
201 | * twl6040. | |
202 | */ | |
203 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | |
204 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | |
205 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | |
206 | ||
4ca07cb0 | 207 | /* Headset jack detection only if it is supported */ |
356bccbe | 208 | if (priv->jack_detection) { |
4ca07cb0 PU |
209 | ret = snd_soc_jack_new(codec, "Headset Jack", |
210 | SND_JACK_HEADSET, &hs_jack); | |
211 | if (ret) | |
212 | return ret; | |
96dc227c | 213 | |
4ca07cb0 PU |
214 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
215 | hs_jack_pins); | |
96dc227c | 216 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); |
4ca07cb0 | 217 | } |
5e64d6aa MLC |
218 | |
219 | return ret; | |
220 | } | |
221 | ||
6524c8e3 | 222 | static const struct snd_soc_dapm_route dmic_audio_map[] = { |
778cee7a PU |
223 | {"DMic", NULL, "Digital Mic"}, |
224 | {"Digital Mic", NULL, "Digital Mic1 Bias"}, | |
6524c8e3 PU |
225 | }; |
226 | ||
13f81d65 | 227 | static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) |
6524c8e3 PU |
228 | { |
229 | struct snd_soc_codec *codec = rtd->codec; | |
230 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
6524c8e3 PU |
231 | |
232 | return snd_soc_dapm_add_routes(dapm, dmic_audio_map, | |
233 | ARRAY_SIZE(dmic_audio_map)); | |
234 | } | |
235 | ||
5e64d6aa | 236 | /* Digital audio interface glue - connects codec <--> CPU */ |
c2f98956 | 237 | static struct snd_soc_dai_link abe_twl6040_dai_links[] = { |
6524c8e3 PU |
238 | { |
239 | .name = "TWL6040", | |
240 | .stream_name = "TWL6040", | |
241 | .cpu_dai_name = "omap-mcpdm", | |
242 | .codec_dai_name = "twl6040-legacy", | |
243 | .platform_name = "omap-pcm-audio", | |
244 | .codec_name = "twl6040-codec", | |
13f81d65 PU |
245 | .init = omap_abe_twl6040_init, |
246 | .ops = &omap_abe_ops, | |
6524c8e3 PU |
247 | }, |
248 | { | |
249 | .name = "DMIC", | |
250 | .stream_name = "DMIC Capture", | |
251 | .cpu_dai_name = "omap-dmic", | |
252 | .codec_dai_name = "dmic-hifi", | |
253 | .platform_name = "omap-pcm-audio", | |
254 | .codec_name = "dmic-codec", | |
13f81d65 PU |
255 | .init = omap_abe_dmic_init, |
256 | .ops = &omap_abe_dmic_ops, | |
6524c8e3 | 257 | }, |
5e64d6aa MLC |
258 | }; |
259 | ||
260 | /* Audio machine driver */ | |
13f81d65 | 261 | static struct snd_soc_card omap_abe_card = { |
b425b884 | 262 | .owner = THIS_MODULE, |
fc8e5b4c | 263 | |
13f81d65 PU |
264 | .dapm_widgets = twl6040_dapm_widgets, |
265 | .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), | |
fc8e5b4c PU |
266 | .dapm_routes = audio_map, |
267 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
5e64d6aa MLC |
268 | }; |
269 | ||
d1be1d2f | 270 | static __devinit int omap_abe_probe(struct platform_device *pdev) |
5e64d6aa | 271 | { |
d1be1d2f PU |
272 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev); |
273 | struct snd_soc_card *card = &omap_abe_card; | |
356bccbe | 274 | struct abe_twl6040 *priv; |
c2f98956 | 275 | int num_links = 0; |
5e64d6aa MLC |
276 | int ret; |
277 | ||
d1be1d2f | 278 | card->dev = &pdev->dev; |
5e64d6aa | 279 | |
d1be1d2f PU |
280 | if (!pdata) { |
281 | dev_err(&pdev->dev, "Missing pdata\n"); | |
282 | return -ENODEV; | |
5e64d6aa MLC |
283 | } |
284 | ||
356bccbe PU |
285 | priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL); |
286 | if (priv == NULL) | |
287 | return -ENOMEM; | |
288 | ||
d1be1d2f PU |
289 | if (pdata->card_name) { |
290 | card->name = pdata->card_name; | |
291 | } else { | |
292 | dev_err(&pdev->dev, "Card name is not provided\n"); | |
293 | return -ENODEV; | |
294 | } | |
5e64d6aa | 295 | |
356bccbe PU |
296 | priv->jack_detection = pdata->jack_detection; |
297 | priv->mclk_freq = pdata->mclk_freq; | |
298 | ||
299 | ||
300 | if (!priv->mclk_freq) { | |
62ba98ce PU |
301 | dev_err(&pdev->dev, "MCLK frequency missing\n"); |
302 | return -ENODEV; | |
303 | } | |
304 | ||
c2f98956 PU |
305 | if (pdata->has_dmic) |
306 | num_links = 2; | |
307 | else | |
308 | num_links = 1; | |
309 | ||
310 | card->dai_link = abe_twl6040_dai_links; | |
311 | card->num_links = num_links; | |
8d946dd7 | 312 | |
356bccbe PU |
313 | snd_soc_card_set_drvdata(card, priv); |
314 | ||
d1be1d2f | 315 | ret = snd_soc_register_card(card); |
5e64d6aa | 316 | if (ret) |
d1be1d2f PU |
317 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
318 | ret); | |
5e64d6aa | 319 | |
5e64d6aa MLC |
320 | return ret; |
321 | } | |
5e64d6aa | 322 | |
d1be1d2f | 323 | static int __devexit omap_abe_remove(struct platform_device *pdev) |
5e64d6aa | 324 | { |
d1be1d2f PU |
325 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
326 | ||
327 | snd_soc_unregister_card(card); | |
328 | ||
329 | return 0; | |
5e64d6aa | 330 | } |
d1be1d2f PU |
331 | |
332 | static struct platform_driver omap_abe_driver = { | |
333 | .driver = { | |
334 | .name = "omap-abe-twl6040", | |
335 | .owner = THIS_MODULE, | |
336 | .pm = &snd_soc_pm_ops, | |
337 | }, | |
338 | .probe = omap_abe_probe, | |
339 | .remove = __devexit_p(omap_abe_remove), | |
340 | }; | |
341 | ||
342 | module_platform_driver(omap_abe_driver); | |
5e64d6aa | 343 | |
8747a6b7 | 344 | MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); |
13f81d65 | 345 | MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); |
5e64d6aa | 346 | MODULE_LICENSE("GPL"); |
d1be1d2f | 347 | MODULE_ALIAS("platform:omap-abe-twl6040"); |