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; |
0596f700 | 50 | struct snd_soc_card *card = rtd->card; |
356bccbe | 51 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
5e64d6aa MLC |
52 | int clk_id, freq; |
53 | int ret; | |
54 | ||
af958c72 PU |
55 | clk_id = twl6040_get_clk_id(rtd->codec); |
56 | if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) | |
356bccbe | 57 | freq = priv->mclk_freq; |
af958c72 | 58 | else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) |
5e64d6aa | 59 | freq = 32768; |
af958c72 PU |
60 | else |
61 | return -EINVAL; | |
5e64d6aa MLC |
62 | |
63 | /* set the codec mclk */ | |
64 | ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, | |
65 | SND_SOC_CLOCK_IN); | |
66 | if (ret) { | |
67 | printk(KERN_ERR "can't set codec system clock\n"); | |
68 | return ret; | |
69 | } | |
f0fba2ad | 70 | return ret; |
5e64d6aa MLC |
71 | } |
72 | ||
13f81d65 PU |
73 | static struct snd_soc_ops omap_abe_ops = { |
74 | .hw_params = omap_abe_hw_params, | |
5e64d6aa MLC |
75 | }; |
76 | ||
13f81d65 | 77 | static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream, |
6524c8e3 PU |
78 | struct snd_pcm_hw_params *params) |
79 | { | |
80 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
81 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
82 | int ret = 0; | |
83 | ||
84 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS, | |
85 | 19200000, SND_SOC_CLOCK_IN); | |
86 | if (ret < 0) { | |
87 | printk(KERN_ERR "can't set DMIC cpu system clock\n"); | |
88 | return ret; | |
89 | } | |
90 | ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000, | |
91 | SND_SOC_CLOCK_OUT); | |
92 | if (ret < 0) { | |
93 | printk(KERN_ERR "can't set DMIC output clock\n"); | |
94 | return ret; | |
95 | } | |
96 | return 0; | |
97 | } | |
98 | ||
13f81d65 PU |
99 | static struct snd_soc_ops omap_abe_dmic_ops = { |
100 | .hw_params = omap_abe_dmic_hw_params, | |
6524c8e3 PU |
101 | }; |
102 | ||
96dc227c JEC |
103 | /* Headset jack */ |
104 | static struct snd_soc_jack hs_jack; | |
105 | ||
106 | /*Headset jack detection DAPM pins */ | |
107 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
108 | { | |
109 | .pin = "Headset Mic", | |
110 | .mask = SND_JACK_MICROPHONE, | |
111 | }, | |
112 | { | |
113 | .pin = "Headset Stereophone", | |
114 | .mask = SND_JACK_HEADPHONE, | |
115 | }, | |
116 | }; | |
117 | ||
5e64d6aa | 118 | /* SDP4430 machine DAPM */ |
13f81d65 | 119 | static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { |
b3208839 | 120 | /* Outputs */ |
5e64d6aa | 121 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), |
7254e2bd | 122 | SND_SOC_DAPM_SPK("Earphone Spk", NULL), |
b3208839 PU |
123 | SND_SOC_DAPM_SPK("Ext Spk", NULL), |
124 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
125 | SND_SOC_DAPM_SPK("Vibrator", NULL), | |
126 | ||
127 | /* Inputs */ | |
128 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
129 | SND_SOC_DAPM_MIC("Main Handset Mic", NULL), | |
130 | SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), | |
131 | SND_SOC_DAPM_LINE("Line In", NULL), | |
7d09f9e9 PU |
132 | |
133 | /* Digital microphones */ | |
134 | SND_SOC_DAPM_MIC("Digital Mic", NULL), | |
5e64d6aa MLC |
135 | }; |
136 | ||
137 | static const struct snd_soc_dapm_route audio_map[] = { | |
b3208839 PU |
138 | /* Routings for outputs */ |
139 | {"Headset Stereophone", NULL, "HSOL"}, | |
140 | {"Headset Stereophone", NULL, "HSOR"}, | |
141 | ||
142 | {"Earphone Spk", NULL, "EP"}, | |
5e64d6aa | 143 | |
5e64d6aa MLC |
144 | {"Ext Spk", NULL, "HFL"}, |
145 | {"Ext Spk", NULL, "HFR"}, | |
146 | ||
b3208839 PU |
147 | {"Line Out", NULL, "AUXL"}, |
148 | {"Line Out", NULL, "AUXR"}, | |
149 | ||
150 | {"Vibrator", NULL, "VIBRAL"}, | |
151 | {"Vibrator", NULL, "VIBRAR"}, | |
152 | ||
153 | /* Routings for inputs */ | |
778cee7a PU |
154 | {"HSMIC", NULL, "Headset Mic"}, |
155 | {"Headset Mic", NULL, "Headset Mic Bias"}, | |
5e64d6aa | 156 | |
b3208839 PU |
157 | {"MAINMIC", NULL, "Main Handset Mic"}, |
158 | {"Main Handset Mic", NULL, "Main Mic Bias"}, | |
7254e2bd | 159 | |
b3208839 PU |
160 | {"SUBMIC", NULL, "Sub Handset Mic"}, |
161 | {"Sub Handset Mic", NULL, "Main Mic Bias"}, | |
23ac3b61 | 162 | |
b3208839 PU |
163 | {"AFML", NULL, "Line In"}, |
164 | {"AFMR", NULL, "Line In"}, | |
5e64d6aa MLC |
165 | }; |
166 | ||
13f81d65 | 167 | static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) |
5e64d6aa | 168 | { |
f0fba2ad | 169 | struct snd_soc_codec *codec = rtd->codec; |
0596f700 | 170 | struct snd_soc_card *card = rtd->card; |
356bccbe | 171 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
4ca07cb0 PU |
172 | int hs_trim; |
173 | int ret = 0; | |
174 | ||
7bf3d92c PU |
175 | /* |
176 | * Configure McPDM offset cancellation based on the HSOTRIM value from | |
177 | * twl6040. | |
178 | */ | |
179 | hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM); | |
180 | omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim), | |
181 | TWL6040_HSF_TRIM_RIGHT(hs_trim)); | |
182 | ||
4ca07cb0 | 183 | /* Headset jack detection only if it is supported */ |
356bccbe | 184 | if (priv->jack_detection) { |
25649592 LPC |
185 | ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", |
186 | SND_JACK_HEADSET, &hs_jack, | |
187 | hs_jack_pins, | |
188 | ARRAY_SIZE(hs_jack_pins)); | |
4ca07cb0 PU |
189 | if (ret) |
190 | return ret; | |
96dc227c | 191 | |
96dc227c | 192 | twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); |
4ca07cb0 | 193 | } |
5e64d6aa | 194 | |
25649592 | 195 | return 0; |
5e64d6aa MLC |
196 | } |
197 | ||
6524c8e3 | 198 | static const struct snd_soc_dapm_route dmic_audio_map[] = { |
778cee7a PU |
199 | {"DMic", NULL, "Digital Mic"}, |
200 | {"Digital Mic", NULL, "Digital Mic1 Bias"}, | |
6524c8e3 PU |
201 | }; |
202 | ||
13f81d65 | 203 | static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) |
6524c8e3 | 204 | { |
7f0af4ae | 205 | struct snd_soc_dapm_context *dapm = &rtd->card->dapm; |
6524c8e3 PU |
206 | |
207 | return snd_soc_dapm_add_routes(dapm, dmic_audio_map, | |
208 | ARRAY_SIZE(dmic_audio_map)); | |
209 | } | |
210 | ||
5e64d6aa | 211 | /* Digital audio interface glue - connects codec <--> CPU */ |
c2f98956 | 212 | static struct snd_soc_dai_link abe_twl6040_dai_links[] = { |
6524c8e3 PU |
213 | { |
214 | .name = "TWL6040", | |
215 | .stream_name = "TWL6040", | |
6524c8e3 | 216 | .codec_dai_name = "twl6040-legacy", |
6524c8e3 | 217 | .codec_name = "twl6040-codec", |
13f81d65 PU |
218 | .init = omap_abe_twl6040_init, |
219 | .ops = &omap_abe_ops, | |
6524c8e3 PU |
220 | }, |
221 | { | |
222 | .name = "DMIC", | |
223 | .stream_name = "DMIC Capture", | |
6524c8e3 | 224 | .codec_dai_name = "dmic-hifi", |
6524c8e3 | 225 | .codec_name = "dmic-codec", |
13f81d65 PU |
226 | .init = omap_abe_dmic_init, |
227 | .ops = &omap_abe_dmic_ops, | |
6524c8e3 | 228 | }, |
5e64d6aa MLC |
229 | }; |
230 | ||
231 | /* Audio machine driver */ | |
13f81d65 | 232 | static struct snd_soc_card omap_abe_card = { |
b425b884 | 233 | .owner = THIS_MODULE, |
fc8e5b4c | 234 | |
13f81d65 PU |
235 | .dapm_widgets = twl6040_dapm_widgets, |
236 | .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), | |
fc8e5b4c PU |
237 | .dapm_routes = audio_map, |
238 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
5e64d6aa MLC |
239 | }; |
240 | ||
7ff60006 | 241 | static int omap_abe_probe(struct platform_device *pdev) |
5e64d6aa | 242 | { |
5ef75e71 | 243 | struct device_node *node = pdev->dev.of_node; |
d1be1d2f | 244 | struct snd_soc_card *card = &omap_abe_card; |
8fe120b5 | 245 | struct device_node *dai_node; |
356bccbe | 246 | struct abe_twl6040 *priv; |
c2f98956 | 247 | int num_links = 0; |
5ef75e71 | 248 | int ret = 0; |
5e64d6aa | 249 | |
8fe120b5 PU |
250 | if (!node) { |
251 | dev_err(&pdev->dev, "of node is missing.\n"); | |
252 | return -ENODEV; | |
253 | } | |
254 | ||
d1be1d2f | 255 | card->dev = &pdev->dev; |
5e64d6aa | 256 | |
356bccbe PU |
257 | priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL); |
258 | if (priv == NULL) | |
259 | return -ENOMEM; | |
260 | ||
5ef75e71 PU |
261 | priv->dmic_codec_dev = ERR_PTR(-EINVAL); |
262 | ||
8fe120b5 PU |
263 | if (snd_soc_of_parse_card_name(card, "ti,model")) { |
264 | dev_err(&pdev->dev, "Card name is not provided\n"); | |
265 | return -ENODEV; | |
266 | } | |
5ef75e71 | 267 | |
8fe120b5 PU |
268 | ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing"); |
269 | if (ret) { | |
270 | dev_err(&pdev->dev, "Error while parsing DAPM routing\n"); | |
271 | return ret; | |
272 | } | |
5ef75e71 | 273 | |
8fe120b5 PU |
274 | dai_node = of_parse_phandle(node, "ti,mcpdm", 0); |
275 | if (!dai_node) { | |
276 | dev_err(&pdev->dev, "McPDM node is not provided\n"); | |
277 | return -EINVAL; | |
278 | } | |
8fe120b5 | 279 | abe_twl6040_dai_links[0].cpu_of_node = dai_node; |
25bed461 | 280 | abe_twl6040_dai_links[0].platform_of_node = dai_node; |
5ef75e71 | 281 | |
8fe120b5 PU |
282 | dai_node = of_parse_phandle(node, "ti,dmic", 0); |
283 | if (dai_node) { | |
284 | num_links = 2; | |
8fe120b5 | 285 | abe_twl6040_dai_links[1].cpu_of_node = dai_node; |
25bed461 | 286 | abe_twl6040_dai_links[1].platform_of_node = dai_node; |
5ef75e71 | 287 | |
8fe120b5 | 288 | priv->dmic_codec_dev = platform_device_register_simple( |
5ef75e71 | 289 | "dmic-codec", -1, NULL, 0); |
8fe120b5 PU |
290 | if (IS_ERR(priv->dmic_codec_dev)) { |
291 | dev_err(&pdev->dev, "Can't instantiate dmic-codec\n"); | |
292 | return PTR_ERR(priv->dmic_codec_dev); | |
5ef75e71 | 293 | } |
d1be1d2f | 294 | } else { |
8fe120b5 PU |
295 | num_links = 1; |
296 | } | |
297 | ||
298 | priv->jack_detection = of_property_read_bool(node, "ti,jack-detection"); | |
299 | of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq); | |
300 | if (!priv->mclk_freq) { | |
301 | dev_err(&pdev->dev, "MCLK frequency not provided\n"); | |
302 | ret = -EINVAL; | |
303 | goto err_unregister; | |
d1be1d2f | 304 | } |
5e64d6aa | 305 | |
8fe120b5 | 306 | card->fully_routed = 1; |
356bccbe PU |
307 | |
308 | if (!priv->mclk_freq) { | |
62ba98ce | 309 | dev_err(&pdev->dev, "MCLK frequency missing\n"); |
5ef75e71 PU |
310 | ret = -ENODEV; |
311 | goto err_unregister; | |
62ba98ce PU |
312 | } |
313 | ||
c2f98956 PU |
314 | card->dai_link = abe_twl6040_dai_links; |
315 | card->num_links = num_links; | |
8d946dd7 | 316 | |
356bccbe PU |
317 | snd_soc_card_set_drvdata(card, priv); |
318 | ||
d1be1d2f | 319 | ret = snd_soc_register_card(card); |
5ef75e71 | 320 | if (ret) { |
d1be1d2f PU |
321 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
322 | ret); | |
5ef75e71 PU |
323 | goto err_unregister; |
324 | } | |
325 | ||
326 | return 0; | |
327 | ||
328 | err_unregister: | |
329 | if (!IS_ERR(priv->dmic_codec_dev)) | |
330 | platform_device_unregister(priv->dmic_codec_dev); | |
5e64d6aa | 331 | |
5e64d6aa MLC |
332 | return ret; |
333 | } | |
5e64d6aa | 334 | |
7ff60006 | 335 | static int omap_abe_remove(struct platform_device *pdev) |
5e64d6aa | 336 | { |
d1be1d2f | 337 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
5ef75e71 | 338 | struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); |
d1be1d2f PU |
339 | |
340 | snd_soc_unregister_card(card); | |
341 | ||
5ef75e71 PU |
342 | if (!IS_ERR(priv->dmic_codec_dev)) |
343 | platform_device_unregister(priv->dmic_codec_dev); | |
344 | ||
d1be1d2f | 345 | return 0; |
5e64d6aa | 346 | } |
d1be1d2f | 347 | |
5ef75e71 PU |
348 | static const struct of_device_id omap_abe_of_match[] = { |
349 | {.compatible = "ti,abe-twl6040", }, | |
350 | { }, | |
351 | }; | |
352 | MODULE_DEVICE_TABLE(of, omap_abe_of_match); | |
353 | ||
d1be1d2f PU |
354 | static struct platform_driver omap_abe_driver = { |
355 | .driver = { | |
356 | .name = "omap-abe-twl6040", | |
d1be1d2f | 357 | .pm = &snd_soc_pm_ops, |
5ef75e71 | 358 | .of_match_table = omap_abe_of_match, |
d1be1d2f PU |
359 | }, |
360 | .probe = omap_abe_probe, | |
7ff60006 | 361 | .remove = omap_abe_remove, |
d1be1d2f PU |
362 | }; |
363 | ||
364 | module_platform_driver(omap_abe_driver); | |
5e64d6aa | 365 | |
8747a6b7 | 366 | MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); |
13f81d65 | 367 | MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec"); |
5e64d6aa | 368 | MODULE_LICENSE("GPL"); |
d1be1d2f | 369 | MODULE_ALIAS("platform:omap-abe-twl6040"); |