diff options
Diffstat (limited to 'sound/soc/codecs/wm8776.c')
| -rw-r--r-- | sound/soc/codecs/wm8776.c | 177 |
1 files changed, 63 insertions, 114 deletions
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c index f31017ed1381..c3f340657f0c 100644 --- a/sound/soc/codecs/wm8776.c +++ b/sound/soc/codecs/wm8776.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * wm8776.c -- WM8776 ALSA SoC Audio driver * @@ -5,20 +6,16 @@ * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * TODO: Input ALC/limiter support */ +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> -#include <linux/of_device.h> #include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/slab.h> @@ -78,9 +75,9 @@ static bool wm8776_volatile(struct device *dev, unsigned int reg) } } -static int wm8776_reset(struct snd_soc_codec *codec) +static int wm8776_reset(struct snd_soc_component *component) { - return snd_soc_write(codec, WM8776_RESET, 0); + return snd_soc_component_write(component, WM8776_RESET, 0); } static const DECLARE_TLV_DB_SCALE(hp_tlv, -12100, 100, 1); @@ -166,7 +163,7 @@ static const struct snd_soc_dapm_route routes[] = { static int wm8776_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { - struct snd_soc_codec *codec = dai->codec; + struct snd_soc_component *component = dai->component; int reg, iface, master; switch (dai->driver->id) { @@ -185,9 +182,9 @@ static int wm8776_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) iface = 0; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: + case SND_SOC_DAIFMT_CBP_CFP: break; - case SND_SOC_DAIFMT_CBS_CFS: + case SND_SOC_DAIFMT_CBC_CFC: master = 0; break; default: @@ -224,8 +221,8 @@ static int wm8776_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) } /* Finally, write out the values */ - snd_soc_update_bits(codec, reg, 0xf, iface); - snd_soc_update_bits(codec, WM8776_MSTRCTRL, 0x180, master); + snd_soc_component_update_bits(component, reg, 0xf, iface); + snd_soc_component_update_bits(component, WM8776_MSTRCTRL, 0x180, master); return 0; } @@ -243,8 +240,8 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_codec *codec = dai->codec; - struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct wm8776_priv *wm8776 = snd_soc_component_get_drvdata(component); int iface_reg, iface; int ratio_shift, master; int i; @@ -265,7 +262,7 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream, } /* Set word length */ - switch (snd_pcm_format_width(params_format(params))) { + switch (params_width(params)) { case 16: iface = 0; break; @@ -279,13 +276,13 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream, iface = 0x30; break; default: - dev_err(codec->dev, "Unsupported sample size: %i\n", - snd_pcm_format_width(params_format(params))); + dev_err(component->dev, "Unsupported sample size: %i\n", + params_width(params)); return -EINVAL; } /* Only need to set MCLK/LRCLK ratio if we're master */ - if (snd_soc_read(codec, WM8776_MSTRCTRL) & master) { + if (snd_soc_component_read(component, WM8776_MSTRCTRL) & master) { for (i = 0; i < ARRAY_SIZE(mclk_ratios); i++) { if (wm8776->sysclk[dai->driver->id] / params_rate(params) == mclk_ratios[i]) @@ -293,49 +290,51 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream, } if (i == ARRAY_SIZE(mclk_ratios)) { - dev_err(codec->dev, + dev_err(component->dev, "Unable to configure MCLK ratio %d/%d\n", wm8776->sysclk[dai->driver->id], params_rate(params)); return -EINVAL; } - dev_dbg(codec->dev, "MCLK is %dfs\n", mclk_ratios[i]); + dev_dbg(component->dev, "MCLK is %dfs\n", mclk_ratios[i]); - snd_soc_update_bits(codec, WM8776_MSTRCTRL, + snd_soc_component_update_bits(component, WM8776_MSTRCTRL, 0x7 << ratio_shift, i << ratio_shift); } else { - dev_dbg(codec->dev, "DAI in slave mode\n"); + dev_dbg(component->dev, "DAI in slave mode\n"); } - snd_soc_update_bits(codec, iface_reg, 0x30, iface); + snd_soc_component_update_bits(component, iface_reg, 0x30, iface); return 0; } -static int wm8776_mute(struct snd_soc_dai *dai, int mute) +static int wm8776_mute(struct snd_soc_dai *dai, int mute, int direction) { - struct snd_soc_codec *codec = dai->codec; + struct snd_soc_component *component = dai->component; - return snd_soc_write(codec, WM8776_DACMUTE, !!mute); + return snd_soc_component_write(component, WM8776_DACMUTE, !!mute); } static int wm8776_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { - struct snd_soc_codec *codec = dai->codec; - struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct wm8776_priv *wm8776 = snd_soc_component_get_drvdata(component); - BUG_ON(dai->driver->id >= ARRAY_SIZE(wm8776->sysclk)); + if (WARN_ON(dai->driver->id >= ARRAY_SIZE(wm8776->sysclk))) + return -EINVAL; wm8776->sysclk[dai->driver->id] = freq; return 0; } -static int wm8776_set_bias_level(struct snd_soc_codec *codec, +static int wm8776_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { - struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec); + struct wm8776_priv *wm8776 = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); switch (level) { case SND_SOC_BIAS_ON: @@ -343,20 +342,19 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: - if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) { regcache_sync(wm8776->regmap); /* Disable the global powerdown; DAPM does the rest */ - snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0); + snd_soc_component_update_bits(component, WM8776_PWRDOWN, 1, 0); } break; case SND_SOC_BIAS_OFF: - snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 1); + snd_soc_component_update_bits(component, WM8776_PWRDOWN, 1, 1); break; } - codec->dapm.bias_level = level; return 0; } @@ -364,10 +362,11 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec, SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) static const struct snd_soc_dai_ops wm8776_dac_ops = { - .digital_mute = wm8776_mute, + .mute_stream = wm8776_mute, .hw_params = wm8776_hw_params, .set_fmt = wm8776_set_fmt, .set_sysclk = wm8776_set_sysclk, + .no_capture_mute = 1, }; static const struct snd_soc_dai_ops wm8776_adc_ops = { @@ -407,70 +406,37 @@ static struct snd_soc_dai_driver wm8776_dai[] = { }, }; -#ifdef CONFIG_PM -static int wm8776_suspend(struct snd_soc_codec *codec) -{ - wm8776_set_bias_level(codec, SND_SOC_BIAS_OFF); - - return 0; -} - -static int wm8776_resume(struct snd_soc_codec *codec) -{ - wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; -} -#else -#define wm8776_suspend NULL -#define wm8776_resume NULL -#endif - -static int wm8776_probe(struct snd_soc_codec *codec) +static int wm8776_probe(struct snd_soc_component *component) { int ret = 0; - ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); + ret = wm8776_reset(component); if (ret < 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + dev_err(component->dev, "Failed to issue reset: %d\n", ret); return ret; } - ret = wm8776_reset(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to issue reset: %d\n", ret); - return ret; - } - - wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - /* Latch the update bits; right channel only since we always * update both. */ - snd_soc_update_bits(codec, WM8776_HPRVOL, 0x100, 0x100); - snd_soc_update_bits(codec, WM8776_DACRVOL, 0x100, 0x100); + snd_soc_component_update_bits(component, WM8776_HPRVOL, 0x100, 0x100); + snd_soc_component_update_bits(component, WM8776_DACRVOL, 0x100, 0x100); return ret; } -/* power down chip */ -static int wm8776_remove(struct snd_soc_codec *codec) -{ - wm8776_set_bias_level(codec, SND_SOC_BIAS_OFF); - return 0; -} - -static struct snd_soc_codec_driver soc_codec_dev_wm8776 = { - .probe = wm8776_probe, - .remove = wm8776_remove, - .suspend = wm8776_suspend, - .resume = wm8776_resume, - .set_bias_level = wm8776_set_bias_level, - - .controls = wm8776_snd_controls, - .num_controls = ARRAY_SIZE(wm8776_snd_controls), - .dapm_widgets = wm8776_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(wm8776_dapm_widgets), - .dapm_routes = routes, - .num_dapm_routes = ARRAY_SIZE(routes), +static const struct snd_soc_component_driver soc_component_dev_wm8776 = { + .probe = wm8776_probe, + .set_bias_level = wm8776_set_bias_level, + .controls = wm8776_snd_controls, + .num_controls = ARRAY_SIZE(wm8776_snd_controls), + .dapm_widgets = wm8776_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8776_dapm_widgets), + .dapm_routes = routes, + .num_dapm_routes = ARRAY_SIZE(routes), + .suspend_bias_off = 1, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, }; static const struct of_device_id wm8776_of_match[] = { @@ -486,7 +452,7 @@ static const struct regmap_config wm8776_regmap = { .reg_defaults = wm8776_reg_defaults, .num_reg_defaults = ARRAY_SIZE(wm8776_reg_defaults), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = wm8776_volatile, }; @@ -508,32 +474,23 @@ static int wm8776_spi_probe(struct spi_device *spi) spi_set_drvdata(spi, wm8776); - ret = snd_soc_register_codec(&spi->dev, - &soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai)); + ret = devm_snd_soc_register_component(&spi->dev, + &soc_component_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai)); return ret; } -static int wm8776_spi_remove(struct spi_device *spi) -{ - snd_soc_unregister_codec(&spi->dev); - return 0; -} - static struct spi_driver wm8776_spi_driver = { .driver = { .name = "wm8776", - .owner = THIS_MODULE, .of_match_table = wm8776_of_match, }, .probe = wm8776_spi_probe, - .remove = wm8776_spi_remove, }; #endif /* CONFIG_SPI_MASTER */ -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static int wm8776_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +#if IS_ENABLED(CONFIG_I2C) +static int wm8776_i2c_probe(struct i2c_client *i2c) { struct wm8776_priv *wm8776; int ret; @@ -549,18 +506,12 @@ static int wm8776_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, wm8776); - ret = snd_soc_register_codec(&i2c->dev, - &soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai)); + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai)); return ret; } -static int wm8776_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - return 0; -} - static const struct i2c_device_id wm8776_i2c_id[] = { { "wm8775", WM8775 }, { "wm8776", WM8776 }, @@ -571,11 +522,9 @@ MODULE_DEVICE_TABLE(i2c, wm8776_i2c_id); static struct i2c_driver wm8776_i2c_driver = { .driver = { .name = "wm8776", - .owner = THIS_MODULE, .of_match_table = wm8776_of_match, }, - .probe = wm8776_i2c_probe, - .remove = wm8776_i2c_remove, + .probe = wm8776_i2c_probe, .id_table = wm8776_i2c_id, }; #endif @@ -583,7 +532,7 @@ static struct i2c_driver wm8776_i2c_driver = { static int __init wm8776_modinit(void) { int ret = 0; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) ret = i2c_add_driver(&wm8776_i2c_driver); if (ret != 0) { printk(KERN_ERR "Failed to register wm8776 I2C driver: %d\n", @@ -603,7 +552,7 @@ module_init(wm8776_modinit); static void __exit wm8776_exit(void) { -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) i2c_del_driver(&wm8776_i2c_driver); #endif #if defined(CONFIG_SPI_MASTER) |
