diff options
Diffstat (limited to 'sound/soc/omap/omap-abe-twl6040.c')
-rw-r--r-- | sound/soc/omap/omap-abe-twl6040.c | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c new file mode 100644 index 000000000000..93bb8eee22b3 --- /dev/null +++ b/sound/soc/omap/omap-abe-twl6040.c | |||
@@ -0,0 +1,349 @@ | |||
1 | /* | ||
2 | * omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and | ||
3 | * twl6040 codec | ||
4 | * | ||
5 | * Author: Misael Lopez Cruz <misael.lopez@ti.com> | ||
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> | ||
25 | #include <linux/mfd/twl6040.h> | ||
26 | #include <linux/platform_data/omap-abe-twl6040.h> | ||
27 | #include <linux/module.h> | ||
28 | |||
29 | #include <sound/core.h> | ||
30 | #include <sound/pcm.h> | ||
31 | #include <sound/soc.h> | ||
32 | #include <sound/jack.h> | ||
33 | |||
34 | #include <asm/mach-types.h> | ||
35 | #include <plat/hardware.h> | ||
36 | #include <plat/mux.h> | ||
37 | |||
38 | #include "omap-dmic.h" | ||
39 | #include "omap-mcpdm.h" | ||
40 | #include "omap-pcm.h" | ||
41 | #include "../codecs/twl6040.h" | ||
42 | |||
43 | static int omap_abe_hw_params(struct snd_pcm_substream *substream, | ||
44 | struct snd_pcm_hw_params *params) | ||
45 | { | ||
46 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | ||
47 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | ||
48 | struct snd_soc_codec *codec = rtd->codec; | ||
49 | struct snd_soc_card *card = codec->card; | ||
50 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev); | ||
51 | int clk_id, freq; | ||
52 | int ret; | ||
53 | |||
54 | clk_id = twl6040_get_clk_id(rtd->codec); | ||
55 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | ||
56 | freq = pdata->mclk_freq; | ||
57 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) | ||
58 | freq = 32768; | ||
59 | else | ||
60 | return -EINVAL; | ||
61 | |||
62 | /* set the codec mclk */ | ||
63 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | ||
64 | SND_SOC_CLOCK_IN); | ||
65 | if (ret) { | ||
66 | printk(KERN_ERR "can't set codec system clock\n"); | ||
67 | return ret; | ||
68 | } | ||
69 | return ret; | ||
70 | } | ||
71 | |||
72 | static struct snd_soc_ops omap_abe_ops = { | ||
73 | .hw_params = omap_abe_hw_params, | ||
74 | }; | ||
75 | |||
76 | static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream, | ||
77 | struct snd_pcm_hw_params *params) | ||
78 | { | ||
79 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | ||
80 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | ||
81 | int ret = 0; | ||
82 | |||
83 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, | ||
84 | 19200000, SND_SOC_CLOCK_IN); | ||
85 | if (ret < 0) { | ||
86 | printk(KERN_ERR "can't set DMIC cpu system clock\n"); | ||
87 | return ret; | ||
88 | } | ||
89 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, | ||
90 | SND_SOC_CLOCK_OUT); | ||
91 | if (ret < 0) { | ||
92 | printk(KERN_ERR "can't set DMIC output clock\n"); | ||
93 | return ret; | ||
94 | } | ||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | static struct snd_soc_ops omap_abe_dmic_ops = { | ||
99 | .hw_params = omap_abe_dmic_hw_params, | ||
100 | }; | ||
101 | |||
102 | /* Headset jack */ | ||
103 | static struct snd_soc_jack hs_jack; | ||
104 | |||
105 | /*Headset jack detection DAPM pins */ | ||
106 | static struct snd_soc_jack_pin hs_jack_pins[] = { | ||
107 | { | ||
108 | .pin = "Headset Mic", | ||
109 | .mask = SND_JACK_MICROPHONE, | ||
110 | }, | ||
111 | { | ||
112 | .pin = "Headset Stereophone", | ||
113 | .mask = SND_JACK_HEADPHONE, | ||
114 | }, | ||
115 | }; | ||
116 | |||
117 | /* SDP4430 machine DAPM */ | ||
118 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { | ||
119 | /* Outputs */ | ||
120 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | ||
121 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), | ||
122 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | ||
123 | SND_SOC_DAPM_LINE("Line Out", NULL), | ||
124 | SND_SOC_DAPM_SPK("Vibrator", NULL), | ||
125 | |||
126 | /* Inputs */ | ||
127 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | ||
128 | SND_SOC_DAPM_MIC("Main Handset Mic", NULL), | ||
129 | SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), | ||
130 | SND_SOC_DAPM_LINE("Line In", NULL), | ||
131 | }; | ||
132 | |||
133 | static const struct snd_soc_dapm_route audio_map[] = { | ||
134 | /* Routings for outputs */ | ||
135 | {"Headset Stereophone", NULL, "HSOL"}, | ||
136 | {"Headset Stereophone", NULL, "HSOR"}, | ||
137 | |||
138 | {"Earphone Spk", NULL, "EP"}, | ||
139 | |||
140 | {"Ext Spk", NULL, "HFL"}, | ||
141 | {"Ext Spk", NULL, "HFR"}, | ||
142 | |||
143 | {"Line Out", NULL, "AUXL"}, | ||
144 | {"Line Out", NULL, "AUXR"}, | ||
145 | |||
146 | {"Vibrator", NULL, "VIBRAL"}, | ||
147 | {"Vibrator", NULL, "VIBRAR"}, | ||
148 | |||
149 | /* Routings for inputs */ | ||
150 | {"HSMIC", NULL, "Headset Mic"}, | ||
151 | {"Headset Mic", NULL, "Headset Mic Bias"}, | ||
152 | |||
153 | {"MAINMIC", NULL, "Main Handset Mic"}, | ||
154 | {"Main Handset Mic", NULL, "Main Mic Bias"}, | ||
155 | |||
156 | {"SUBMIC", NULL, "Sub Handset Mic"}, | ||
157 | {"Sub Handset Mic", NULL, "Main Mic Bias"}, | ||
158 | |||
159 | {"AFML", NULL, "Line In"}, | ||
160 | {"AFMR", NULL, "Line In"}, | ||
161 | }; | ||
162 | |||
163 | static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm, | ||
164 | int connected, char *pin) | ||
165 | { | ||
166 | if (!connected) | ||
167 | snd_soc_dapm_disable_pin(dapm, pin); | ||
168 | } | ||
169 | |||
170 | static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) | ||
171 | { | ||
172 | struct snd_soc_codec *codec = rtd->codec; | ||
173 | struct snd_soc_card *card = codec->card; | ||
174 | struct snd_soc_dapm_context *dapm = &codec->dapm; | ||
175 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev); | ||
176 | int hs_trim; | ||
177 | int ret = 0; | ||
178 | |||
179 | /* Disable not connected paths if not used */ | ||
180 | twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone"); | ||
181 | twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk"); | ||
182 | twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk"); | ||
183 | twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out"); | ||
184 | twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator"); | ||
185 | twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic"); | ||
186 | twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic"); | ||
187 | twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic"); | ||
188 | twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In"); | ||
189 | |||
190 | /* | ||
191 | * Configure McPDM offset cancellation based on the HSOTRIM value from | ||
192 | * twl6040. | ||
193 | */ | ||
194 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | ||
195 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | ||
196 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | ||
197 | |||
198 | /* Headset jack detection only if it is supported */ | ||
199 | if (pdata->jack_detection) { | ||
200 | ret = snd_soc_jack_new(codec, "Headset Jack", | ||
201 | SND_JACK_HEADSET, &hs_jack); | ||
202 | if (ret) | ||
203 | return ret; | ||
204 | |||
205 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), | ||
206 | hs_jack_pins); | ||
207 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); | ||
208 | } | ||
209 | |||
210 | return ret; | ||
211 | } | ||
212 | |||
213 | static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = { | ||
214 | SND_SOC_DAPM_MIC("Digital Mic", NULL), | ||
215 | }; | ||
216 | |||
217 | static const struct snd_soc_dapm_route dmic_audio_map[] = { | ||
218 | {"DMic", NULL, "Digital Mic"}, | ||
219 | {"Digital Mic", NULL, "Digital Mic1 Bias"}, | ||
220 | }; | ||
221 | |||
222 | static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) | ||
223 | { | ||
224 | struct snd_soc_codec *codec = rtd->codec; | ||
225 | struct snd_soc_dapm_context *dapm = &codec->dapm; | ||
226 | int ret; | ||
227 | |||
228 | ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets, | ||
229 | ARRAY_SIZE(dmic_dapm_widgets)); | ||
230 | if (ret) | ||
231 | return ret; | ||
232 | |||
233 | return snd_soc_dapm_add_routes(dapm, dmic_audio_map, | ||
234 | ARRAY_SIZE(dmic_audio_map)); | ||
235 | } | ||
236 | |||
237 | /* Digital audio interface glue - connects codec <--> CPU */ | ||
238 | static struct snd_soc_dai_link twl6040_dmic_dai[] = { | ||
239 | { | ||
240 | .name = "TWL6040", | ||
241 | .stream_name = "TWL6040", | ||
242 | .cpu_dai_name = "omap-mcpdm", | ||
243 | .codec_dai_name = "twl6040-legacy", | ||
244 | .platform_name = "omap-pcm-audio", | ||
245 | .codec_name = "twl6040-codec", | ||
246 | .init = omap_abe_twl6040_init, | ||
247 | .ops = &omap_abe_ops, | ||
248 | }, | ||
249 | { | ||
250 | .name = "DMIC", | ||
251 | .stream_name = "DMIC Capture", | ||
252 | .cpu_dai_name = "omap-dmic", | ||
253 | .codec_dai_name = "dmic-hifi", | ||
254 | .platform_name = "omap-pcm-audio", | ||
255 | .codec_name = "dmic-codec", | ||
256 | .init = omap_abe_dmic_init, | ||
257 | .ops = &omap_abe_dmic_ops, | ||
258 | }, | ||
259 | }; | ||
260 | |||
261 | static struct snd_soc_dai_link twl6040_only_dai[] = { | ||
262 | { | ||
263 | .name = "TWL6040", | ||
264 | .stream_name = "TWL6040", | ||
265 | .cpu_dai_name = "omap-mcpdm", | ||
266 | .codec_dai_name = "twl6040-legacy", | ||
267 | .platform_name = "omap-pcm-audio", | ||
268 | .codec_name = "twl6040-codec", | ||
269 | .init = omap_abe_twl6040_init, | ||
270 | .ops = &omap_abe_ops, | ||
271 | }, | ||
272 | }; | ||
273 | |||
274 | /* Audio machine driver */ | ||
275 | static struct snd_soc_card omap_abe_card = { | ||
276 | .owner = THIS_MODULE, | ||
277 | |||
278 | .dapm_widgets = twl6040_dapm_widgets, | ||
279 | .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), | ||
280 | .dapm_routes = audio_map, | ||
281 | .num_dapm_routes = ARRAY_SIZE(audio_map), | ||
282 | }; | ||
283 | |||
284 | static __devinit int omap_abe_probe(struct platform_device *pdev) | ||
285 | { | ||
286 | struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev); | ||
287 | struct snd_soc_card *card = &omap_abe_card; | ||
288 | int ret; | ||
289 | |||
290 | card->dev = &pdev->dev; | ||
291 | |||
292 | if (!pdata) { | ||
293 | dev_err(&pdev->dev, "Missing pdata\n"); | ||
294 | return -ENODEV; | ||
295 | } | ||
296 | |||
297 | if (pdata->card_name) { | ||
298 | card->name = pdata->card_name; | ||
299 | } else { | ||
300 | dev_err(&pdev->dev, "Card name is not provided\n"); | ||
301 | return -ENODEV; | ||
302 | } | ||
303 | |||
304 | if (!pdata->mclk_freq) { | ||
305 | dev_err(&pdev->dev, "MCLK frequency missing\n"); | ||
306 | return -ENODEV; | ||
307 | } | ||
308 | |||
309 | if (pdata->has_dmic) { | ||
310 | card->dai_link = twl6040_dmic_dai; | ||
311 | card->num_links = ARRAY_SIZE(twl6040_dmic_dai); | ||
312 | } else { | ||
313 | card->dai_link = twl6040_only_dai; | ||
314 | card->num_links = ARRAY_SIZE(twl6040_only_dai); | ||
315 | } | ||
316 | |||
317 | ret = snd_soc_register_card(card); | ||
318 | if (ret) | ||
319 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | ||
320 | ret); | ||
321 | |||
322 | return ret; | ||
323 | } | ||
324 | |||
325 | static int __devexit omap_abe_remove(struct platform_device *pdev) | ||
326 | { | ||
327 | struct snd_soc_card *card = platform_get_drvdata(pdev); | ||
328 | |||
329 | snd_soc_unregister_card(card); | ||
330 | |||
331 | return 0; | ||
332 | } | ||
333 | |||
334 | static struct platform_driver omap_abe_driver = { | ||
335 | .driver = { | ||
336 | .name = "omap-abe-twl6040", | ||
337 | .owner = THIS_MODULE, | ||
338 | .pm = &snd_soc_pm_ops, | ||
339 | }, | ||
340 | .probe = omap_abe_probe, | ||
341 | .remove = __devexit_p(omap_abe_remove), | ||
342 | }; | ||
343 | |||
344 | module_platform_driver(omap_abe_driver); | ||
345 | |||
346 | MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); | ||
347 | MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); | ||
348 | MODULE_LICENSE("GPL"); | ||
349 | MODULE_ALIAS("platform:omap-abe-twl6040"); | ||