diff options
Diffstat (limited to 'sound/soc/codecs/cs35l35.c')
| -rw-r--r-- | sound/soc/codecs/cs35l35.c | 170 |
1 files changed, 81 insertions, 89 deletions
diff --git a/sound/soc/codecs/cs35l35.c b/sound/soc/codecs/cs35l35.c index f1ee184ecab2..7a01b1d9fc9d 100644 --- a/sound/soc/codecs/cs35l35.c +++ b/sound/soc/codecs/cs35l35.c @@ -1,19 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * cs35l35.c -- CS35L35 ALSA SoC audio driver * * Copyright 2017 Cirrus Logic, Inc. * * Author: Brian Austin <brian.austin@cirrus.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. - * */ #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/version.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> @@ -22,22 +17,20 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/gpio/consumer.h> -#include <linux/of_device.h> -#include <linux/of_gpio.h> +#include <linux/of.h> #include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> -#include <linux/gpio.h> #include <sound/initval.h> #include <sound/tlv.h> #include <sound/cs35l35.h> -#include <linux/of_irq.h> #include <linux/completion.h> #include "cs35l35.h" +#include "cirrus_legacy.h" /* * Some fields take zero as a valid value so use a high bit flag that won't @@ -194,8 +187,8 @@ static int cs35l35_wait_for_pdn(struct cs35l35_private *cs35l35) static int cs35l35_sdin_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { - struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); int ret = 0; switch (event) { @@ -231,7 +224,7 @@ static int cs35l35_sdin_event(struct snd_soc_dapm_widget *w, 1 << CS35L35_AMP_DIGSFT_SHIFT); break; default: - dev_err(codec->dev, "Invalid event = 0x%x\n", event); + dev_err(component->dev, "Invalid event = 0x%x\n", event); ret = -EINVAL; } return ret; @@ -240,8 +233,8 @@ static int cs35l35_sdin_event(struct snd_soc_dapm_widget *w, static int cs35l35_main_amp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { - struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); unsigned int reg[4]; int i; @@ -301,7 +294,7 @@ static int cs35l35_main_amp_event(struct snd_soc_dapm_widget *w, break; default: - dev_err(codec->dev, "Invalid event = 0x%x\n", event); + dev_err(component->dev, "Invalid event = 0x%x\n", event); } return 0; } @@ -369,19 +362,19 @@ static const struct snd_soc_dapm_route cs35l35_audio_map[] = { static int cs35l35_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { - struct snd_soc_codec *codec = codec_dai->codec; - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = codec_dai->component; + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBP_CFP: regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1, CS35L35_MS_MASK, 1 << CS35L35_MS_SHIFT); - cs35l35->slave_mode = false; + cs35l35->clock_consumer = false; break; - case SND_SOC_DAIFMT_CBS_CFS: + case SND_SOC_DAIFMT_CBC_CFC: regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1, CS35L35_MS_MASK, 0 << CS35L35_MS_SHIFT); - cs35l35->slave_mode = true; + cs35l35->clock_consumer = true; break; default: return -EINVAL; @@ -470,8 +463,8 @@ static int cs35l35_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 cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); struct classh_cfg *classh = &cs35l35->pdata.classh_algo; int srate = params_rate(params); int ret = 0; @@ -482,7 +475,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream, int clk_ctl = cs35l35_get_clk_config(cs35l35->sysclk, srate); if (clk_ctl < 0) { - dev_err(codec->dev, "Invalid CLK:Rate %d:%d\n", + dev_err(component->dev, "Invalid CLK:Rate %d:%d\n", cs35l35->sysclk, srate); return -EINVAL; } @@ -490,7 +483,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream, ret = regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL2, CS35L35_CLK_CTL2_MASK, clk_ctl); if (ret != 0) { - dev_err(codec->dev, "Failed to set port config %d\n", ret); + dev_err(component->dev, "Failed to set port config %d\n", ret); return ret; } @@ -500,16 +493,16 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream, * the Class H algorithm does not enable weak-drive operation for * nonzero values of CH_WKFET_DELAY if SP_RATE = 01 or 10 */ - errata_chk = clk_ctl & CS35L35_SP_RATE_MASK; + errata_chk = (clk_ctl & CS35L35_SP_RATE_MASK) >> CS35L35_SP_RATE_SHIFT; if (classh->classh_wk_fet_disable == 0x00 && - (errata_chk == 0x01 || errata_chk == 0x03)) { + (errata_chk == 0x01 || errata_chk == 0x02)) { ret = regmap_update_bits(cs35l35->regmap, CS35L35_CLASS_H_FET_DRIVE_CTL, CS35L35_CH_WKFET_DEL_MASK, 0 << CS35L35_CH_WKFET_DEL_SHIFT); if (ret != 0) { - dev_err(codec->dev, "Failed to set fet config %d\n", + dev_err(component->dev, "Failed to set fet config %d\n", ret); return ret; } @@ -531,7 +524,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream, audin_format = CS35L35_SDIN_DEPTH_24; break; default: - dev_err(codec->dev, "Unsupported Width %d\n", + dev_err(component->dev, "Unsupported Width %d\n", params_width(params)); return -EINVAL; } @@ -554,31 +547,31 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream, * to configure the CLOCK_CTL3 register correctly */ if ((cs35l35->sclk / srate) % 4) { - dev_err(codec->dev, "Unsupported sclk/fs ratio %d:%d\n", + dev_err(component->dev, "Unsupported sclk/fs ratio %d:%d\n", cs35l35->sclk, srate); return -EINVAL; } sp_sclks = ((cs35l35->sclk / srate) / 4) - 1; - /* Only certain ratios are supported in I2S Slave Mode */ - if (cs35l35->slave_mode) { + /* Only certain ratios supported when device is a clock consumer */ + if (cs35l35->clock_consumer) { switch (sp_sclks) { case CS35L35_SP_SCLKS_32FS: case CS35L35_SP_SCLKS_48FS: case CS35L35_SP_SCLKS_64FS: break; default: - dev_err(codec->dev, "ratio not supported\n"); + dev_err(component->dev, "ratio not supported\n"); return -EINVAL; } } else { - /* Only certain ratios supported in I2S MASTER Mode */ + /* Only certain ratios supported when device is a clock provider */ switch (sp_sclks) { case CS35L35_SP_SCLKS_32FS: case CS35L35_SP_SCLKS_64FS: break; default: - dev_err(codec->dev, "ratio not supported\n"); + dev_err(component->dev, "ratio not supported\n"); return -EINVAL; } } @@ -587,7 +580,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream, CS35L35_SP_SCLKS_MASK, sp_sclks << CS35L35_SP_SCLKS_SHIFT); if (ret != 0) { - dev_err(codec->dev, "Failed to set fsclk %d\n", ret); + dev_err(component->dev, "Failed to set fsclk %d\n", ret); return ret; } } @@ -607,8 +600,8 @@ static const struct snd_pcm_hw_constraint_list cs35l35_constraints = { static int cs35l35_pcm_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_codec *codec = dai->codec; - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); if (!substream->runtime) return 0; @@ -635,8 +628,8 @@ static const struct snd_pcm_hw_constraint_list cs35l35_pdm_constraints = { static int cs35l35_pdm_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_codec *codec = dai->codec; - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); if (!substream->runtime) return 0; @@ -655,8 +648,8 @@ static int cs35l35_pdm_startup(struct snd_pcm_substream *substream, static int cs35l35_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { - struct snd_soc_codec *codec = dai->codec; - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_component *component = dai->component; + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); /* Need the SCLK Frequency regardless of sysclk source for I2S */ cs35l35->sclk = freq; @@ -696,7 +689,7 @@ static struct snd_soc_dai_driver cs35l35_dai[] = { .formats = CS35L35_FORMATS, }, .ops = &cs35l35_ops, - .symmetric_rates = 1, + .symmetric_rate = 1, }, { .name = "cs35l35-pdm", @@ -712,11 +705,11 @@ static struct snd_soc_dai_driver cs35l35_dai[] = { }, }; -static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec, +static int cs35l35_component_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); int clksrc; int ret = 0; @@ -731,7 +724,7 @@ static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec, clksrc = CS35L35_CLK_SOURCE_PDM; break; default: - dev_err(codec->dev, "Invalid CLK Source\n"); + dev_err(component->dev, "Invalid CLK Source\n"); return -EINVAL; } @@ -749,7 +742,7 @@ static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec, cs35l35->sysclk = freq; break; default: - dev_err(codec->dev, "Invalid CLK Frequency Input : %d\n", freq); + dev_err(component->dev, "Invalid CLK Frequency Input : %d\n", freq); return -EINVAL; } @@ -757,7 +750,7 @@ static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec, CS35L35_CLK_SOURCE_MASK, clksrc << CS35L35_CLK_SOURCE_SHIFT); if (ret != 0) { - dev_err(codec->dev, "Failed to set sysclk %d\n", ret); + dev_err(component->dev, "Failed to set sysclk %d\n", ret); return ret; } @@ -834,9 +827,9 @@ static int cs35l35_boost_inductor(struct cs35l35_private *cs35l35, return 0; } -static int cs35l35_codec_probe(struct snd_soc_codec *codec) +static int cs35l35_component_probe(struct snd_soc_component *component) { - struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec); + struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component); struct classh_cfg *classh = &cs35l35->pdata.classh_algo; struct monitor_cfg *monitor_config = &cs35l35->pdata.mon_cfg; int ret; @@ -880,7 +873,7 @@ static int cs35l35_codec_probe(struct snd_soc_codec *codec) regmap_update_bits(cs35l35->regmap, CS35L35_CLASS_H_CTL, CS35L35_CH_STEREO_MASK, 1 << CS35L35_CH_STEREO_SHIFT); - ret = snd_soc_add_codec_controls(codec, cs35l35_adv_controls, + ret = snd_soc_add_component_controls(component, cs35l35_adv_controls, ARRAY_SIZE(cs35l35_adv_controls)); if (ret) return ret; @@ -1079,23 +1072,21 @@ static int cs35l35_codec_probe(struct snd_soc_codec *codec) return 0; } -static struct snd_soc_codec_driver soc_codec_dev_cs35l35 = { - .probe = cs35l35_codec_probe, - .set_sysclk = cs35l35_codec_set_sysclk, - .component_driver = { - .dapm_widgets = cs35l35_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(cs35l35_dapm_widgets), - - .dapm_routes = cs35l35_audio_map, - .num_dapm_routes = ARRAY_SIZE(cs35l35_audio_map), - - .controls = cs35l35_aud_controls, - .num_controls = ARRAY_SIZE(cs35l35_aud_controls), - }, - +static const struct snd_soc_component_driver soc_component_dev_cs35l35 = { + .probe = cs35l35_component_probe, + .set_sysclk = cs35l35_component_set_sysclk, + .dapm_widgets = cs35l35_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cs35l35_dapm_widgets), + .dapm_routes = cs35l35_audio_map, + .num_dapm_routes = ARRAY_SIZE(cs35l35_audio_map), + .controls = cs35l35_aud_controls, + .num_controls = ARRAY_SIZE(cs35l35_aud_controls), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, }; -static struct regmap_config cs35l35_regmap = { +static const struct regmap_config cs35l35_regmap = { .reg_bits = 8, .val_bits = 8, @@ -1105,7 +1096,9 @@ static struct regmap_config cs35l35_regmap = { .volatile_reg = cs35l35_volatile_register, .readable_reg = cs35l35_readable_register, .precious_reg = cs35l35_precious_register, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, }; static irqreturn_t cs35l35_irq(int irq, void *data) @@ -1314,7 +1307,7 @@ static int cs35l35_handle_of_data(struct i2c_client *i2c_client, pdata->gain_zc = of_property_read_bool(np, "cirrus,amp-gain-zc"); classh = of_get_child_by_name(np, "cirrus,classh-internal-algo"); - classh_config->classh_algo_enable = classh ? true : false; + classh_config->classh_algo_enable = (classh != NULL); if (classh_config->classh_algo_enable) { classh_config->classh_bst_override = @@ -1469,15 +1462,13 @@ static const struct reg_sequence cs35l35_errata_patch[] = { { 0x7F, 0x00 }, }; -static int cs35l35_i2c_probe(struct i2c_client *i2c_client, - const struct i2c_device_id *id) +static int cs35l35_i2c_probe(struct i2c_client *i2c_client) { struct cs35l35_private *cs35l35; struct device *dev = &i2c_client->dev; struct cs35l35_platform_data *pdata = dev_get_platdata(dev); - int i; + int i, devid; int ret; - unsigned int devid = 0; unsigned int reg; cs35l35 = devm_kzalloc(dev, sizeof(struct cs35l35_private), GFP_KERNEL); @@ -1491,7 +1482,7 @@ static int cs35l35_i2c_probe(struct i2c_client *i2c_client, if (IS_ERR(cs35l35->regmap)) { ret = PTR_ERR(cs35l35->regmap); dev_err(dev, "regmap_init() failed: %d\n", ret); - goto err; + return ret; } for (i = 0; i < ARRAY_SIZE(cs35l35_supplies); i++) @@ -1556,13 +1547,12 @@ static int cs35l35_i2c_probe(struct i2c_client *i2c_client, goto err; } /* initialize codec */ - ret = regmap_read(cs35l35->regmap, CS35L35_DEVID_AB, ®); - - devid = (reg & 0xFF) << 12; - ret = regmap_read(cs35l35->regmap, CS35L35_DEVID_CD, ®); - devid |= (reg & 0xFF) << 4; - ret = regmap_read(cs35l35->regmap, CS35L35_DEVID_E, ®); - devid |= (reg & 0xF0) >> 4; + devid = cirrus_read_device_id(cs35l35->regmap, CS35L35_DEVID_AB); + if (devid < 0) { + ret = devid; + dev_err(dev, "Failed to read device ID: %d\n", ret); + goto err; + } if (devid != CS35L35_CHIP_ID) { dev_err(dev, "CS35L35 Device ID (%X). Expected ID %X\n", @@ -1617,10 +1607,10 @@ static int cs35l35_i2c_probe(struct i2c_client *i2c_client, regmap_update_bits(cs35l35->regmap, CS35L35_PROTECT_CTL, CS35L35_AMP_MUTE_MASK, 1 << CS35L35_AMP_MUTE_SHIFT); - ret = snd_soc_register_codec(dev, &soc_codec_dev_cs35l35, cs35l35_dai, - ARRAY_SIZE(cs35l35_dai)); + ret = devm_snd_soc_register_component(dev, &soc_component_dev_cs35l35, + cs35l35_dai, ARRAY_SIZE(cs35l35_dai)); if (ret < 0) { - dev_err(dev, "Failed to register codec: %d\n", ret); + dev_err(dev, "Failed to register component: %d\n", ret); goto err; } @@ -1634,10 +1624,12 @@ err: return ret; } -static int cs35l35_i2c_remove(struct i2c_client *client) +static void cs35l35_i2c_remove(struct i2c_client *i2c_client) { - snd_soc_unregister_codec(&client->dev); - return 0; + struct cs35l35_private *cs35l35 = i2c_get_clientdata(i2c_client); + + regulator_bulk_disable(cs35l35->num_supplies, cs35l35->supplies); + gpiod_set_value_cansleep(cs35l35->reset_gpio, 0); } static const struct of_device_id cs35l35_of_match[] = { @@ -1647,7 +1639,7 @@ static const struct of_device_id cs35l35_of_match[] = { MODULE_DEVICE_TABLE(of, cs35l35_of_match); static const struct i2c_device_id cs35l35_id[] = { - {"cs35l35", 0}, + {"cs35l35"}, {} }; |
