max98090.c (83bc90e11576f9c100f8ef4ba2bcd0b89212e3fb) max98090.c (b8a3ee820f7b0802c9b90a9f3426dbda54e93d09)
1/*
2 * max98090.c -- MAX98090 ALSA SoC Audio driver
3 *
4 * Copyright 2011-2012 Maxim Integrated Products
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.

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1967
1968 regval = mute ? M98090_DVM_MASK : 0;
1969 snd_soc_update_bits(codec, M98090_REG_DAI_PLAYBACK_LEVEL,
1970 M98090_DVM_MASK, regval);
1971
1972 return 0;
1973}
1974
1/*
2 * max98090.c -- MAX98090 ALSA SoC Audio driver
3 *
4 * Copyright 2011-2012 Maxim Integrated Products
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.

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1967
1968 regval = mute ? M98090_DVM_MASK : 0;
1969 snd_soc_update_bits(codec, M98090_REG_DAI_PLAYBACK_LEVEL,
1970 M98090_DVM_MASK, regval);
1971
1972 return 0;
1973}
1974
1975static int max98090_dai_trigger(struct snd_pcm_substream *substream, int cmd,
1976 struct snd_soc_dai *dai)
1977{
1978 struct snd_soc_codec *codec = dai->codec;
1979 struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1980
1981 switch (cmd) {
1982 case SNDRV_PCM_TRIGGER_START:
1983 case SNDRV_PCM_TRIGGER_RESUME:
1984 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1985 if (!max98090->master && dai->active == 1)
1986 queue_delayed_work(system_power_efficient_wq,
1987 &max98090->pll_det_enable_work,
1988 msecs_to_jiffies(10));
1989 break;
1990 case SNDRV_PCM_TRIGGER_STOP:
1991 case SNDRV_PCM_TRIGGER_SUSPEND:
1992 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1993 if (!max98090->master && dai->active == 1)
1994 schedule_work(&max98090->pll_det_disable_work);
1995 break;
1996 default:
1997 break;
1998 }
1999
2000 return 0;
2001}
2002
2003static void max98090_pll_det_enable_work(struct work_struct *work)
2004{
2005 struct max98090_priv *max98090 =
2006 container_of(work, struct max98090_priv,
2007 pll_det_enable_work.work);
2008 struct snd_soc_codec *codec = max98090->codec;
2009 unsigned int status, mask;
2010
2011 /*
2012 * Clear status register in order to clear possibly already occurred
2013 * PLL unlock. If PLL hasn't still locked, the status will be set
2014 * again and PLL unlock interrupt will occur.
2015 * Note this will clear all status bits
2016 */
2017 regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2018
2019 /*
2020 * Queue jack work in case jack state has just changed but handler
2021 * hasn't run yet
2022 */
2023 regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2024 status &= mask;
2025 if (status & M98090_JDET_MASK)
2026 queue_delayed_work(system_power_efficient_wq,
2027 &max98090->jack_work,
2028 msecs_to_jiffies(100));
2029
2030 /* Enable PLL unlock interrupt */
2031 snd_soc_update_bits(codec, M98090_REG_INTERRUPT_S,
2032 M98090_IULK_MASK,
2033 1 << M98090_IULK_SHIFT);
2034}
2035
2036static void max98090_pll_det_disable_work(struct work_struct *work)
2037{
2038 struct max98090_priv *max98090 =
2039 container_of(work, struct max98090_priv, pll_det_disable_work);
2040 struct snd_soc_codec *codec = max98090->codec;
2041
2042 cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2043
2044 /* Disable PLL unlock interrupt */
2045 snd_soc_update_bits(codec, M98090_REG_INTERRUPT_S,
2046 M98090_IULK_MASK, 0);
2047}
2048
2049static void max98090_pll_work(struct work_struct *work)
2050{
2051 struct max98090_priv *max98090 =
2052 container_of(work, struct max98090_priv, pll_work);
2053 struct snd_soc_codec *codec = max98090->codec;
2054
2055 if (!snd_soc_codec_is_active(codec))
2056 return;
2057
2058 dev_info(codec->dev, "PLL unlocked\n");
2059
2060 /* Toggle shutdown OFF then ON */
2061 snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
2062 M98090_SHDNN_MASK, 0);
2063 msleep(10);
2064 snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
2065 M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2066
2067 /* Give PLL time to lock */
2068 msleep(10);
2069}
2070
1975static void max98090_jack_work(struct work_struct *work)
1976{
1977 struct max98090_priv *max98090 = container_of(work,
1978 struct max98090_priv,
1979 jack_work.work);
1980 struct snd_soc_codec *codec = max98090->codec;
1981 struct snd_soc_dapm_context *dapm = &codec->dapm;
1982 int status = 0;

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2098 return IRQ_NONE;
2099
2100 if (active & M98090_CLD_MASK)
2101 dev_err(codec->dev, "M98090_CLD_MASK\n");
2102
2103 if (active & M98090_SLD_MASK)
2104 dev_dbg(codec->dev, "M98090_SLD_MASK\n");
2105
2071static void max98090_jack_work(struct work_struct *work)
2072{
2073 struct max98090_priv *max98090 = container_of(work,
2074 struct max98090_priv,
2075 jack_work.work);
2076 struct snd_soc_codec *codec = max98090->codec;
2077 struct snd_soc_dapm_context *dapm = &codec->dapm;
2078 int status = 0;

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2194 return IRQ_NONE;
2195
2196 if (active & M98090_CLD_MASK)
2197 dev_err(codec->dev, "M98090_CLD_MASK\n");
2198
2199 if (active & M98090_SLD_MASK)
2200 dev_dbg(codec->dev, "M98090_SLD_MASK\n");
2201
2106 if (active & M98090_ULK_MASK)
2107 dev_err(codec->dev, "M98090_ULK_MASK\n");
2202 if (active & M98090_ULK_MASK) {
2203 dev_dbg(codec->dev, "M98090_ULK_MASK\n");
2204 schedule_work(&max98090->pll_work);
2205 }
2108
2109 if (active & M98090_JDET_MASK) {
2110 dev_dbg(codec->dev, "M98090_JDET_MASK\n");
2111
2112 pm_wakeup_event(codec->dev, 100);
2113
2114 queue_delayed_work(system_power_efficient_wq,
2115 &max98090->jack_work,

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2172#define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
2173
2174static struct snd_soc_dai_ops max98090_dai_ops = {
2175 .set_sysclk = max98090_dai_set_sysclk,
2176 .set_fmt = max98090_dai_set_fmt,
2177 .set_tdm_slot = max98090_set_tdm_slot,
2178 .hw_params = max98090_dai_hw_params,
2179 .digital_mute = max98090_dai_digital_mute,
2206
2207 if (active & M98090_JDET_MASK) {
2208 dev_dbg(codec->dev, "M98090_JDET_MASK\n");
2209
2210 pm_wakeup_event(codec->dev, 100);
2211
2212 queue_delayed_work(system_power_efficient_wq,
2213 &max98090->jack_work,

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2270#define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
2271
2272static struct snd_soc_dai_ops max98090_dai_ops = {
2273 .set_sysclk = max98090_dai_set_sysclk,
2274 .set_fmt = max98090_dai_set_fmt,
2275 .set_tdm_slot = max98090_set_tdm_slot,
2276 .hw_params = max98090_dai_hw_params,
2277 .digital_mute = max98090_dai_digital_mute,
2278 .trigger = max98090_dai_trigger,
2180};
2181
2182static struct snd_soc_dai_driver max98090_dai[] = {
2183{
2184 .name = "HiFi",
2185 .playback = {
2186 .stream_name = "HiFi Playback",
2187 .channels_min = 2,

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2253 if (max98090->devtype != devtype) {
2254 dev_warn(codec->dev, "Mismatch in DT specified CODEC type.\n");
2255 max98090->devtype = devtype;
2256 }
2257
2258 max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2259
2260 INIT_DELAYED_WORK(&max98090->jack_work, max98090_jack_work);
2279};
2280
2281static struct snd_soc_dai_driver max98090_dai[] = {
2282{
2283 .name = "HiFi",
2284 .playback = {
2285 .stream_name = "HiFi Playback",
2286 .channels_min = 2,

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2352 if (max98090->devtype != devtype) {
2353 dev_warn(codec->dev, "Mismatch in DT specified CODEC type.\n");
2354 max98090->devtype = devtype;
2355 }
2356
2357 max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2358
2359 INIT_DELAYED_WORK(&max98090->jack_work, max98090_jack_work);
2360 INIT_DELAYED_WORK(&max98090->pll_det_enable_work,
2361 max98090_pll_det_enable_work);
2362 INIT_WORK(&max98090->pll_det_disable_work,
2363 max98090_pll_det_disable_work);
2364 INIT_WORK(&max98090->pll_work, max98090_pll_work);
2261
2262 /* Enable jack detection */
2263 snd_soc_write(codec, M98090_REG_JACK_DETECT,
2264 M98090_JDETEN_MASK | M98090_JDEB_25MS);
2265
2266 /* Register for interrupts */
2267 dev_dbg(codec->dev, "irq = %d\n", max98090->irq);
2268

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2305 return ret;
2306}
2307
2308static int max98090_remove(struct snd_soc_codec *codec)
2309{
2310 struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2311
2312 cancel_delayed_work_sync(&max98090->jack_work);
2365
2366 /* Enable jack detection */
2367 snd_soc_write(codec, M98090_REG_JACK_DETECT,
2368 M98090_JDETEN_MASK | M98090_JDEB_25MS);
2369
2370 /* Register for interrupts */
2371 dev_dbg(codec->dev, "irq = %d\n", max98090->irq);
2372

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2409 return ret;
2410}
2411
2412static int max98090_remove(struct snd_soc_codec *codec)
2413{
2414 struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2415
2416 cancel_delayed_work_sync(&max98090->jack_work);
2417 cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2418 cancel_work_sync(&max98090->pll_det_disable_work);
2419 cancel_work_sync(&max98090->pll_work);
2313
2314 return 0;
2315}
2316
2317static struct snd_soc_codec_driver soc_codec_dev_max98090 = {
2318 .probe = max98090_probe,
2319 .remove = max98090_remove,
2320 .set_bias_level = max98090_set_bias_level,

--- 160 unchanged lines hidden --- 		2420
2421 return 0;
2422}
2423
2424static struct snd_soc_codec_driver soc_codec_dev_max98090 = {
2425 .probe = max98090_probe,
2426 .remove = max98090_remove,
2427 .set_bias_level = max98090_set_bias_level,

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