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> |
da155d5b | 26 | #include <linux/module.h> |
5ef75e71 | 27 | #include <linux/of.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 | 33 | |
6524c8e3 | 34 | #include "omap-dmic.h" |
f5f9d7bf | 35 | #include "omap-mcpdm.h" |
5e64d6aa MLC |
36 | #include "../codecs/twl6040.h" |
37 | ||
356bccbe PU |
38 | struct abe_twl6040 { |
39 | int jack_detection; /* board can detect jack events */ | |
40 | int mclk_freq; /* MCLK frequency speed for twl6040 */ | |
5ef75e71 PU |
41 | |
42 | struct platform_device *dmic_codec_dev; | |
356bccbe PU |
43 | }; |
44 | ||
13f81d65 | 45 | static int omap_abe_hw_params(struct snd_pcm_substream *substream, |
5e64d6aa MLC |
46 | struct snd_pcm_hw_params *params) |
47 | { | |
48 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 49 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
62ba98ce PU |
50 | struct snd_soc_codec *codec = rtd->codec; |
51 | struct snd_soc_card *card = codec->card; | |
356bccbe | 52 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
5e64d6aa MLC |
53 | int clk_id, freq; |
54 | int ret; | |
55 | ||
af958c72 PU |
56 | clk_id = twl6040_get_clk_id(rtd->codec); |
57 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | |
356bccbe | 58 | freq = priv->mclk_freq; |
af958c72 | 59 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) |
5e64d6aa | 60 | freq = 32768; |
af958c72 PU |
61 | else |
62 | return -EINVAL; | |
5e64d6aa MLC |
63 | |
64 | /* set the codec mclk */ | |
65 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | |
66 | SND_SOC_CLOCK_IN); | |
67 | if (ret) { | |
68 | printk(KERN_ERR "can't set codec system clock\n"); | |
69 | return ret; | |
70 | } | |
f0fba2ad | 71 | return ret; |
5e64d6aa MLC |
72 | } |
73 | ||
13f81d65 PU |
74 | static struct snd_soc_ops omap_abe_ops = { |
75 | .hw_params = omap_abe_hw_params, | |
5e64d6aa MLC |
76 | }; |
77 | ||
13f81d65 | 78 | static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream, |
6524c8e3 PU |
79 | struct snd_pcm_hw_params *params) |
80 | { | |
81 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
82 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
83 | int ret = 0; | |
84 | ||
85 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, | |
86 | 19200000, SND_SOC_CLOCK_IN); | |
87 | if (ret < 0) { | |
88 | printk(KERN_ERR "can't set DMIC cpu system clock\n"); | |
89 | return ret; | |
90 | } | |
91 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, | |
92 | SND_SOC_CLOCK_OUT); | |
93 | if (ret < 0) { | |
94 | printk(KERN_ERR "can't set DMIC output clock\n"); | |
95 | return ret; | |
96 | } | |
97 | return 0; | |
98 | } | |
99 | ||
13f81d65 PU |
100 | static struct snd_soc_ops omap_abe_dmic_ops = { |
101 | .hw_params = omap_abe_dmic_hw_params, | |
6524c8e3 PU |
102 | }; |
103 | ||
96dc227c JEC |
104 | /* Headset jack */ |
105 | static struct snd_soc_jack hs_jack; | |
106 | ||
107 | /*Headset jack detection DAPM pins */ | |
108 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
109 | { | |
110 | .pin = "Headset Mic", | |
111 | .mask = SND_JACK_MICROPHONE, | |
112 | }, | |
113 | { | |
114 | .pin = "Headset Stereophone", | |
115 | .mask = SND_JACK_HEADPHONE, | |
116 | }, | |
117 | }; | |
118 | ||
5e64d6aa | 119 | /* SDP4430 machine DAPM */ |
13f81d65 | 120 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { |
b3208839 | 121 | /* Outputs */ |
5e64d6aa | 122 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), |
7254e2bd | 123 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), |
b3208839 PU |
124 | SND_SOC_DAPM_SPK("Ext Spk", NULL), |
125 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
126 | SND_SOC_DAPM_SPK("Vibrator", NULL), | |
127 | ||
128 | /* Inputs */ | |
129 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
130 | SND_SOC_DAPM_MIC("Main Handset Mic", NULL), | |
131 | SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), | |
132 | SND_SOC_DAPM_LINE("Line In", NULL), | |
7d09f9e9 PU |
133 | |
134 | /* Digital microphones */ | |
135 | SND_SOC_DAPM_MIC("Digital Mic", NULL), | |
5e64d6aa MLC |
136 | }; |
137 | ||
138 | static const struct snd_soc_dapm_route audio_map[] = { | |
b3208839 PU |
139 | /* Routings for outputs */ |
140 | {"Headset Stereophone", NULL, "HSOL"}, | |
141 | {"Headset Stereophone", NULL, "HSOR"}, | |
142 | ||
143 | {"Earphone Spk", NULL, "EP"}, | |
5e64d6aa | 144 | |
5e64d6aa MLC |
145 | {"Ext Spk", NULL, "HFL"}, |
146 | {"Ext Spk", NULL, "HFR"}, | |
147 | ||
b3208839 PU |
148 | {"Line Out", NULL, "AUXL"}, |
149 | {"Line Out", NULL, "AUXR"}, | |
150 | ||
151 | {"Vibrator", NULL, "VIBRAL"}, | |
152 | {"Vibrator", NULL, "VIBRAR"}, | |
153 | ||
154 | /* Routings for inputs */ | |
778cee7a PU |
155 | {"HSMIC", NULL, "Headset Mic"}, |
156 | {"Headset Mic", NULL, "Headset Mic Bias"}, | |
5e64d6aa | 157 | |
b3208839 PU |
158 | {"MAINMIC", NULL, "Main Handset Mic"}, |
159 | {"Main Handset Mic", NULL, "Main Mic Bias"}, | |
7254e2bd | 160 | |
b3208839 PU |
161 | {"SUBMIC", NULL, "Sub Handset Mic"}, |
162 | {"Sub Handset Mic", NULL, "Main Mic Bias"}, | |
23ac3b61 | 163 | |
b3208839 PU |
164 | {"AFML", NULL, "Line In"}, |
165 | {"AFMR", NULL, "Line In"}, | |
5e64d6aa MLC |
166 | }; |
167 | ||
13f81d65 | 168 | static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) |
5e64d6aa | 169 | { |
f0fba2ad | 170 | struct snd_soc_codec *codec = rtd->codec; |
4ca07cb0 | 171 | struct snd_soc_card *card = codec->card; |
356bccbe | 172 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
4ca07cb0 PU |
173 | int hs_trim; |
174 | int ret = 0; | |
175 | ||
7bf3d92c PU |
176 | /* |
177 | * Configure McPDM offset cancellation based on the HSOTRIM value from | |
178 | * twl6040. | |
179 | */ | |
180 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | |
181 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | |
182 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | |
183 | ||
4ca07cb0 | 184 | /* Headset jack detection only if it is supported */ |
356bccbe | 185 | if (priv->jack_detection) { |
4ca07cb0 PU |
186 | ret = snd_soc_jack_new(codec, "Headset Jack", |
187 | SND_JACK_HEADSET, &hs_jack); | |
188 | if (ret) | |
189 | return ret; | |
96dc227c | 190 | |
4ca07cb0 PU |
191 | ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), |
192 | hs_jack_pins); | |
96dc227c | 193 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); |
4ca07cb0 | 194 | } |
5e64d6aa MLC |
195 | |
196 | return ret; | |
197 | } | |
198 | ||
6524c8e3 | 199 | static const struct snd_soc_dapm_route dmic_audio_map[] = { |
778cee7a PU |
200 | {"DMic", NULL, "Digital Mic"}, |
201 | {"Digital Mic", NULL, "Digital Mic1 Bias"}, | |
6524c8e3 PU |
202 | }; |
203 | ||
13f81d65 | 204 | static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) |
6524c8e3 PU |
205 | { |
206 | struct snd_soc_codec *codec = rtd->codec; | |
207 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
6524c8e3 PU |
208 | |
209 | return snd_soc_dapm_add_routes(dapm, dmic_audio_map, | |
210 | ARRAY_SIZE(dmic_audio_map)); | |
211 | } | |
212 | ||
5e64d6aa | 213 | /* Digital audio interface glue - connects codec <--> CPU */ |
c2f98956 | 214 | static struct snd_soc_dai_link abe_twl6040_dai_links[] = { |
6524c8e3 PU |
215 | { |
216 | .name = "TWL6040", | |
217 | .stream_name = "TWL6040", | |
218 | .cpu_dai_name = "omap-mcpdm", | |
219 | .codec_dai_name = "twl6040-legacy", | |
220 | .platform_name = "omap-pcm-audio", | |
221 | .codec_name = "twl6040-codec", | |
13f81d65 PU |
222 | .init = omap_abe_twl6040_init, |
223 | .ops = &omap_abe_ops, | |
6524c8e3 PU |
224 | }, |
225 | { | |
226 | .name = "DMIC", | |
227 | .stream_name = "DMIC Capture", | |
228 | .cpu_dai_name = "omap-dmic", | |
229 | .codec_dai_name = "dmic-hifi", | |
230 | .platform_name = "omap-pcm-audio", | |
231 | .codec_name = "dmic-codec", | |
13f81d65 PU |
232 | .init = omap_abe_dmic_init, |
233 | .ops = &omap_abe_dmic_ops, | |
6524c8e3 | 234 | }, |
5e64d6aa MLC |
235 | }; |
236 | ||
237 | /* Audio machine driver */ | |
13f81d65 | 238 | static struct snd_soc_card omap_abe_card = { |
b425b884 | 239 | .owner = THIS_MODULE, |
fc8e5b4c | 240 | |
13f81d65 PU |
241 | .dapm_widgets = twl6040_dapm_widgets, |
242 | .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), | |
fc8e5b4c PU |
243 | .dapm_routes = audio_map, |
244 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
5e64d6aa MLC |
245 | }; |
246 | ||
7ff60006 | 247 | static int omap_abe_probe(struct platform_device *pdev) |
5e64d6aa | 248 | { |
5ef75e71 | 249 | struct device_node *node = pdev->dev.of_node; |
d1be1d2f | 250 | struct snd_soc_card *card = &omap_abe_card; |
8fe120b5 | 251 | struct device_node *dai_node; |
356bccbe | 252 | struct abe_twl6040 *priv; |
c2f98956 | 253 | int num_links = 0; |
5ef75e71 | 254 | int ret = 0; |
5e64d6aa | 255 | |
8fe120b5 PU |
256 | if (!node) { |
257 | dev_err(&pdev->dev, "of node is missing.\n"); | |
258 | return -ENODEV; | |
259 | } | |
260 | ||
d1be1d2f | 261 | card->dev = &pdev->dev; |
5e64d6aa | 262 | |
356bccbe PU |
263 | priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL); |
264 | if (priv == NULL) | |
265 | return -ENOMEM; | |
266 | ||
5ef75e71 PU |
267 | priv->dmic_codec_dev = ERR_PTR(-EINVAL); |
268 | ||
8fe120b5 PU |
269 | if (snd_soc_of_parse_card_name(card, "ti,model")) { |
270 | dev_err(&pdev->dev, "Card name is not provided\n"); | |
271 | return -ENODEV; | |
272 | } | |
5ef75e71 | 273 | |
8fe120b5 PU |
274 | ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing"); |
275 | if (ret) { | |
276 | dev_err(&pdev->dev, "Error while parsing DAPM routing\n"); | |
277 | return ret; | |
278 | } | |
5ef75e71 | 279 | |
8fe120b5 PU |
280 | dai_node = of_parse_phandle(node, "ti,mcpdm", 0); |
281 | if (!dai_node) { | |
282 | dev_err(&pdev->dev, "McPDM node is not provided\n"); | |
283 | return -EINVAL; | |
284 | } | |
285 | abe_twl6040_dai_links[0].cpu_dai_name = NULL; | |
286 | abe_twl6040_dai_links[0].cpu_of_node = dai_node; | |
5ef75e71 | 287 | |
8fe120b5 PU |
288 | dai_node = of_parse_phandle(node, "ti,dmic", 0); |
289 | if (dai_node) { | |
290 | num_links = 2; | |
291 | abe_twl6040_dai_links[1].cpu_dai_name = NULL; | |
292 | abe_twl6040_dai_links[1].cpu_of_node = dai_node; | |
5ef75e71 | 293 | |
8fe120b5 | 294 | priv->dmic_codec_dev = platform_device_register_simple( |
5ef75e71 | 295 | "dmic-codec", -1, NULL, 0); |
8fe120b5 PU |
296 | if (IS_ERR(priv->dmic_codec_dev)) { |
297 | dev_err(&pdev->dev, "Can't instantiate dmic-codec\n"); | |
298 | return PTR_ERR(priv->dmic_codec_dev); | |
5ef75e71 | 299 | } |
d1be1d2f | 300 | } else { |
8fe120b5 PU |
301 | num_links = 1; |
302 | } | |
303 | ||
304 | priv->jack_detection = of_property_read_bool(node, "ti,jack-detection"); | |
305 | of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq); | |
306 | if (!priv->mclk_freq) { | |
307 | dev_err(&pdev->dev, "MCLK frequency not provided\n"); | |
308 | ret = -EINVAL; | |
309 | goto err_unregister; | |
d1be1d2f | 310 | } |
5e64d6aa | 311 | |
8fe120b5 | 312 | card->fully_routed = 1; |
356bccbe PU |
313 | |
314 | if (!priv->mclk_freq) { | |
62ba98ce | 315 | dev_err(&pdev->dev, "MCLK frequency missing\n"); |
5ef75e71 PU |
316 | ret = -ENODEV; |
317 | goto err_unregister; | |
62ba98ce PU |
318 | } |
319 | ||
c2f98956 PU |
320 | card->dai_link = abe_twl6040_dai_links; |
321 | card->num_links = num_links; | |
8d946dd7 | 322 | |
356bccbe PU |
323 | snd_soc_card_set_drvdata(card, priv); |
324 | ||
d1be1d2f | 325 | ret = snd_soc_register_card(card); |
5ef75e71 | 326 | if (ret) { |
d1be1d2f PU |
327 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
328 | ret); | |
5ef75e71 PU |
329 | goto err_unregister; |
330 | } | |
331 | ||
332 | return 0; | |
333 | ||
334 | err_unregister: | |
335 | if (!IS_ERR(priv->dmic_codec_dev)) | |
336 | platform_device_unregister(priv->dmic_codec_dev); | |
5e64d6aa | 337 | |
5e64d6aa MLC |
338 | return ret; |
339 | } | |
5e64d6aa | 340 | |
7ff60006 | 341 | static int omap_abe_remove(struct platform_device *pdev) |
5e64d6aa | 342 | { |
d1be1d2f | 343 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
5ef75e71 | 344 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
d1be1d2f PU |
345 | |
346 | snd_soc_unregister_card(card); | |
347 | ||
5ef75e71 PU |
348 | if (!IS_ERR(priv->dmic_codec_dev)) |
349 | platform_device_unregister(priv->dmic_codec_dev); | |
350 | ||
d1be1d2f | 351 | return 0; |
5e64d6aa | 352 | } |
d1be1d2f | 353 | |
5ef75e71 PU |
354 | static const struct of_device_id omap_abe_of_match[] = { |
355 | {.compatible = "ti,abe-twl6040", }, | |
356 | { }, | |
357 | }; | |
358 | MODULE_DEVICE_TABLE(of, omap_abe_of_match); | |
359 | ||
d1be1d2f PU |
360 | static struct platform_driver omap_abe_driver = { |
361 | .driver = { | |
362 | .name = "omap-abe-twl6040", | |
363 | .owner = THIS_MODULE, | |
364 | .pm = &snd_soc_pm_ops, | |
5ef75e71 | 365 | .of_match_table = omap_abe_of_match, |
d1be1d2f PU |
366 | }, |
367 | .probe = omap_abe_probe, | |
7ff60006 | 368 | .remove = omap_abe_remove, |
d1be1d2f PU |
369 | }; |
370 | ||
371 | module_platform_driver(omap_abe_driver); | |
5e64d6aa | 372 | |
8747a6b7 | 373 | MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); |
13f81d65 | 374 | MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); |
5e64d6aa | 375 | MODULE_LICENSE("GPL"); |
d1be1d2f | 376 | MODULE_ALIAS("platform:omap-abe-twl6040"); |