soc/ti/omap3pandora.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * omap3pandora.c  --  SoC audio for Pandora Handheld Console
15 #include <sound/core.h>
16 #include <sound/pcm.h>
17 #include <sound/soc.h>
19 #include <asm/mach-types.h>
20 #include <linux/platform_data/asoc-ti-mcbsp.h>
22 #include "omap-mcbsp.h"
24 #define PREFIX "ASoC omap3pandora: "  macro
42 		pr_err(PREFIX "can't set codec system clock\n");  in omap3pandora_hw_params()
51 		pr_err(PREFIX "can't set cpu system clock\n");  in omap3pandora_hw_params()
57 		pr_err(PREFIX "can't set SRG clock divider\n");  in omap3pandora_hw_params()
76 			dev_err(w->dapm->dev, "Failed to power DAC: %d\n", ret);  in omap3pandora_dac_event()
104  *  |O| ---> PCM DAC +-> AMP -> Headphone Jack
105  *  |M|         A    +--------> Line Out
107  *  |P| <--- TWL4030 <--------- Line In and MICs
142 	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;  in omap3pandora_out_init()
161 	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;  in omap3pandora_in_init()
176 /* Digital audio interface glue - connects codec <--> CPU */
178 	DAILINK_COMP_ARRAY(COMP_CPU("omap-mcbsp.2")),
179 	DAILINK_COMP_ARRAY(COMP_CODEC("twl4030-codec", "twl4030-hifi")),
180 	DAILINK_COMP_ARRAY(COMP_PLATFORM("omap-mcbsp.2")));
183 	DAILINK_COMP_ARRAY(COMP_CPU("omap-mcbsp.4")),
184 	DAILINK_COMP_ARRAY(COMP_CODEC("twl4030-codec", "twl4030-hifi")),
185 	DAILINK_COMP_ARRAY(COMP_PLATFORM("omap-mcbsp.4")));
189 		.name = "PCM1773",
197 		.name = "TWL4030",
209 	.name = "omap3pandora",
227 		return -ENODEV;  in omap3pandora_soc_init()
231 	omap3pandora_snd_device = platform_device_alloc("soc-audio", -1);  in omap3pandora_soc_init()
233 		pr_err(PREFIX "Platform device allocation failed\n");  in omap3pandora_soc_init()
234 		return -ENOMEM;  in omap3pandora_soc_init()
241 		pr_err(PREFIX "Unable to add platform device\n");  in omap3pandora_soc_init()
245 	dac_power_gpio = devm_gpiod_get(&omap3pandora_snd_device->dev,  in omap3pandora_soc_init()
252 	amp_power_gpio = devm_gpiod_get(&omap3pandora_snd_device->dev,  in omap3pandora_soc_init()
259 	omap3pandora_dac_reg = regulator_get(&omap3pandora_snd_device->dev, "vcc");  in omap3pandora_soc_init()
261 		pr_err(PREFIX "Failed to get DAC regulator from %s: %ld\n",  in omap3pandora_soc_init()
262 			dev_name(&omap3pandora_snd_device->dev),  in omap3pandora_soc_init()