diff options
Diffstat (limited to 'sound/soc/codecs/uda134x.c')
| -rw-r--r-- | sound/soc/codecs/uda134x.c | 588 |
1 files changed, 0 insertions, 588 deletions
diff --git a/sound/soc/codecs/uda134x.c b/sound/soc/codecs/uda134x.c deleted file mode 100644 index bf9182cedb82..000000000000 --- a/sound/soc/codecs/uda134x.c +++ /dev/null @@ -1,588 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * uda134x.c -- UDA134X ALSA SoC Codec driver - * - * Modifications by Christian Pellegrin <chripell@evolware.org> - * - * Copyright 2007 Dension Audio Systems Ltd. - * Author: Zoltan Devai - * - * Based on the WM87xx drivers by Liam Girdwood and Richard Purdie - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/initval.h> - -#include <sound/uda134x.h> -#include <sound/l3.h> - -#include "uda134x.h" - - -#define UDA134X_RATES SNDRV_PCM_RATE_8000_48000 -#define UDA134X_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE) - -struct uda134x_priv { - int sysclk; - int dai_fmt; - - struct snd_pcm_substream *master_substream; - struct snd_pcm_substream *slave_substream; - - struct regmap *regmap; - struct uda134x_platform_data *pd; -}; - -static const struct reg_default uda134x_reg_defaults[] = { - { UDA134X_EA000, 0x04 }, - { UDA134X_EA001, 0x04 }, - { UDA134X_EA010, 0x04 }, - { UDA134X_EA011, 0x00 }, - { UDA134X_EA100, 0x00 }, - { UDA134X_EA101, 0x00 }, - { UDA134X_EA110, 0x00 }, - { UDA134X_EA111, 0x00 }, - { UDA134X_STATUS0, 0x00 }, - { UDA134X_STATUS1, 0x03 }, - { UDA134X_DATA000, 0x00 }, - { UDA134X_DATA001, 0x00 }, - { UDA134X_DATA010, 0x00 }, - { UDA134X_DATA011, 0x00 }, - { UDA134X_DATA1, 0x00 }, -}; - -/* - * Write to the uda134x registers - * - */ -static int uda134x_regmap_write(void *context, unsigned int reg, - unsigned int value) -{ - struct uda134x_platform_data *pd = context; - int ret; - u8 addr; - u8 data = value; - - switch (reg) { - case UDA134X_STATUS0: - case UDA134X_STATUS1: - addr = UDA134X_STATUS_ADDR; - data |= (reg - UDA134X_STATUS0) << 7; - break; - case UDA134X_DATA000: - case UDA134X_DATA001: - case UDA134X_DATA010: - case UDA134X_DATA011: - addr = UDA134X_DATA0_ADDR; - data |= (reg - UDA134X_DATA000) << 6; - break; - case UDA134X_DATA1: - addr = UDA134X_DATA1_ADDR; - break; - default: - /* It's an extended address register */ - addr = (reg | UDA134X_EXTADDR_PREFIX); - - ret = l3_write(&pd->l3, - UDA134X_DATA0_ADDR, &addr, 1); - if (ret != 1) - return -EIO; - - addr = UDA134X_DATA0_ADDR; - data = (value | UDA134X_EXTDATA_PREFIX); - break; - } - - ret = l3_write(&pd->l3, - addr, &data, 1); - if (ret != 1) - return -EIO; - - return 0; -} - -static inline void uda134x_reset(struct snd_soc_component *component) -{ - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - unsigned int mask = 1<<6; - - regmap_update_bits(uda134x->regmap, UDA134X_STATUS0, mask, mask); - msleep(1); - regmap_update_bits(uda134x->regmap, UDA134X_STATUS0, mask, 0); -} - -static int uda134x_mute(struct snd_soc_dai *dai, int mute, int direction) -{ - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(dai->component); - unsigned int mask = 1<<2; - unsigned int val; - - pr_debug("%s mute: %d\n", __func__, mute); - - if (mute) - val = mask; - else - val = 0; - - return regmap_update_bits(uda134x->regmap, UDA134X_DATA010, mask, val); -} - -static int uda134x_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_component *component = dai->component; - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - struct snd_pcm_runtime *master_runtime; - - if (uda134x->master_substream) { - master_runtime = uda134x->master_substream->runtime; - - pr_debug("%s constraining to %d bits at %d\n", __func__, - master_runtime->sample_bits, - master_runtime->rate); - - snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_RATE, - master_runtime->rate); - - snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_SAMPLE_BITS, - master_runtime->sample_bits); - - uda134x->slave_substream = substream; - } else - uda134x->master_substream = substream; - - return 0; -} - -static void uda134x_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_component *component = dai->component; - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - - if (uda134x->master_substream == substream) - uda134x->master_substream = uda134x->slave_substream; - - uda134x->slave_substream = NULL; -} - -static int uda134x_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_component *component = dai->component; - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - unsigned int hw_params = 0; - - if (substream == uda134x->slave_substream) { - pr_debug("%s ignoring hw_params for slave substream\n", - __func__); - return 0; - } - - pr_debug("%s sysclk: %d, rate:%d\n", __func__, - uda134x->sysclk, params_rate(params)); - - /* set SYSCLK / fs ratio */ - switch (uda134x->sysclk / params_rate(params)) { - case 512: - break; - case 384: - hw_params |= (1<<4); - break; - case 256: - hw_params |= (1<<5); - break; - default: - printk(KERN_ERR "%s unsupported fs\n", __func__); - return -EINVAL; - } - - pr_debug("%s dai_fmt: %d, params_format:%d\n", __func__, - uda134x->dai_fmt, params_format(params)); - - /* set DAI format and word length */ - switch (uda134x->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - break; - case SND_SOC_DAIFMT_RIGHT_J: - switch (params_width(params)) { - case 16: - hw_params |= (1<<1); - break; - case 18: - hw_params |= (1<<2); - break; - case 20: - hw_params |= ((1<<2) | (1<<1)); - break; - default: - printk(KERN_ERR "%s unsupported format (right)\n", - __func__); - return -EINVAL; - } - break; - case SND_SOC_DAIFMT_LEFT_J: - hw_params |= (1<<3); - break; - default: - printk(KERN_ERR "%s unsupported format\n", __func__); - return -EINVAL; - } - - return regmap_update_bits(uda134x->regmap, UDA134X_STATUS0, - STATUS0_SYSCLK_MASK | STATUS0_DAIFMT_MASK, hw_params); -} - -static int uda134x_set_dai_sysclk(struct snd_soc_dai *codec_dai, - int clk_id, unsigned int freq, int dir) -{ - struct snd_soc_component *component = codec_dai->component; - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - - pr_debug("%s clk_id: %d, freq: %u, dir: %d\n", __func__, - clk_id, freq, dir); - - /* Anything between 256fs*8Khz and 512fs*48Khz should be acceptable - because the codec is slave. Of course limitations of the clock - master (the IIS controller) apply. - We'll error out on set_hw_params if it's not OK */ - if ((freq >= (256 * 8000)) && (freq <= (512 * 48000))) { - uda134x->sysclk = freq; - return 0; - } - - printk(KERN_ERR "%s unsupported sysclk\n", __func__); - return -EINVAL; -} - -static int uda134x_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_component *component = codec_dai->component; - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - - pr_debug("%s fmt: %08X\n", __func__, fmt); - - /* codec supports only full slave mode */ - if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) { - printk(KERN_ERR "%s unsupported slave mode\n", __func__); - return -EINVAL; - } - - /* no support for clock inversion */ - if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) { - printk(KERN_ERR "%s unsupported clock inversion\n", __func__); - return -EINVAL; - } - - /* We can't setup DAI format here as it depends on the word bit num */ - /* so let's just store the value for later */ - uda134x->dai_fmt = fmt; - - return 0; -} - -static int uda134x_set_bias_level(struct snd_soc_component *component, - enum snd_soc_bias_level level) -{ - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - struct uda134x_platform_data *pd = uda134x->pd; - pr_debug("%s bias level %d\n", __func__, level); - - switch (level) { - case SND_SOC_BIAS_ON: - break; - case SND_SOC_BIAS_PREPARE: - /* power on */ - if (pd->power) { - pd->power(1); - regcache_sync(uda134x->regmap); - } - break; - case SND_SOC_BIAS_STANDBY: - break; - case SND_SOC_BIAS_OFF: - /* power off */ - if (pd->power) { - pd->power(0); - regcache_mark_dirty(uda134x->regmap); - } - break; - } - return 0; -} - -static const char *uda134x_dsp_setting[] = {"Flat", "Minimum1", - "Minimum2", "Maximum"}; -static const char *uda134x_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; -static const char *uda134x_mixmode[] = {"Differential", "Analog1", - "Analog2", "Both"}; - -static const struct soc_enum uda134x_mixer_enum[] = { -SOC_ENUM_SINGLE(UDA134X_DATA010, 0, 0x04, uda134x_dsp_setting), -SOC_ENUM_SINGLE(UDA134X_DATA010, 3, 0x04, uda134x_deemph), -SOC_ENUM_SINGLE(UDA134X_EA010, 0, 0x04, uda134x_mixmode), -}; - -static const struct snd_kcontrol_new uda1341_snd_controls[] = { -SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), -SOC_SINGLE("Capture Volume", UDA134X_EA010, 2, 0x07, 0), -SOC_SINGLE("Analog1 Volume", UDA134X_EA000, 0, 0x1F, 1), -SOC_SINGLE("Analog2 Volume", UDA134X_EA001, 0, 0x1F, 1), - -SOC_SINGLE("Mic Sensitivity", UDA134X_EA010, 2, 7, 0), -SOC_SINGLE("Mic Volume", UDA134X_EA101, 0, 0x1F, 0), - -SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), -SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), - -SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), -SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), -SOC_ENUM("Input Mux", uda134x_mixer_enum[2]), - -SOC_SINGLE("AGC Switch", UDA134X_EA100, 4, 1, 0), -SOC_SINGLE("AGC Target Volume", UDA134X_EA110, 0, 0x03, 1), -SOC_SINGLE("AGC Timing", UDA134X_EA110, 2, 0x07, 0), - -SOC_SINGLE("DAC +6dB Switch", UDA134X_STATUS1, 6, 1, 0), -SOC_SINGLE("ADC +6dB Switch", UDA134X_STATUS1, 5, 1, 0), -SOC_SINGLE("ADC Polarity Switch", UDA134X_STATUS1, 4, 1, 0), -SOC_SINGLE("DAC Polarity Switch", UDA134X_STATUS1, 3, 1, 0), -SOC_SINGLE("Double Speed Playback Switch", UDA134X_STATUS1, 2, 1, 0), -SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), -}; - -static const struct snd_kcontrol_new uda1340_snd_controls[] = { -SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), - -SOC_SINGLE("Tone Control - Bass", UDA134X_DATA001, 2, 0xF, 0), -SOC_SINGLE("Tone Control - Treble", UDA134X_DATA001, 0, 3, 0), - -SOC_ENUM("Sound Processing Filter", uda134x_mixer_enum[0]), -SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), - -SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), -}; - -static const struct snd_kcontrol_new uda1345_snd_controls[] = { -SOC_SINGLE("Master Playback Volume", UDA134X_DATA000, 0, 0x3F, 1), - -SOC_ENUM("PCM Playback De-emphasis", uda134x_mixer_enum[1]), - -SOC_SINGLE("DC Filter Enable Switch", UDA134X_STATUS0, 0, 1, 0), -}; - -/* UDA1341 has the DAC/ADC power down in STATUS1 */ -static const struct snd_soc_dapm_widget uda1341_dapm_widgets[] = { - SND_SOC_DAPM_DAC("DAC", "Playback", UDA134X_STATUS1, 0, 0), - SND_SOC_DAPM_ADC("ADC", "Capture", UDA134X_STATUS1, 1, 0), -}; - -/* UDA1340/4/5 has the DAC/ADC pwoer down in DATA0 11 */ -static const struct snd_soc_dapm_widget uda1340_dapm_widgets[] = { - SND_SOC_DAPM_DAC("DAC", "Playback", UDA134X_DATA011, 0, 0), - SND_SOC_DAPM_ADC("ADC", "Capture", UDA134X_DATA011, 1, 0), -}; - -/* Common DAPM widgets */ -static const struct snd_soc_dapm_widget uda134x_dapm_widgets[] = { - SND_SOC_DAPM_INPUT("VINL1"), - SND_SOC_DAPM_INPUT("VINR1"), - SND_SOC_DAPM_INPUT("VINL2"), - SND_SOC_DAPM_INPUT("VINR2"), - SND_SOC_DAPM_OUTPUT("VOUTL"), - SND_SOC_DAPM_OUTPUT("VOUTR"), -}; - -static const struct snd_soc_dapm_route uda134x_dapm_routes[] = { - { "ADC", NULL, "VINL1" }, - { "ADC", NULL, "VINR1" }, - { "ADC", NULL, "VINL2" }, - { "ADC", NULL, "VINR2" }, - { "VOUTL", NULL, "DAC" }, - { "VOUTR", NULL, "DAC" }, -}; - -static const struct snd_soc_dai_ops uda134x_dai_ops = { - .startup = uda134x_startup, - .shutdown = uda134x_shutdown, - .hw_params = uda134x_hw_params, - .mute_stream = uda134x_mute, - .set_sysclk = uda134x_set_dai_sysclk, - .set_fmt = uda134x_set_dai_fmt, - .no_capture_mute = 1, -}; - -static struct snd_soc_dai_driver uda134x_dai = { - .name = "uda134x-hifi", - /* playback capabilities */ - .playback = { - .stream_name = "Playback", - .channels_min = 1, - .channels_max = 2, - .rates = UDA134X_RATES, - .formats = UDA134X_FORMATS, - }, - /* capture capabilities */ - .capture = { - .stream_name = "Capture", - .channels_min = 1, - .channels_max = 2, - .rates = UDA134X_RATES, - .formats = UDA134X_FORMATS, - }, - /* pcm operations */ - .ops = &uda134x_dai_ops, -}; - -static int uda134x_soc_probe(struct snd_soc_component *component) -{ - struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); - struct uda134x_priv *uda134x = snd_soc_component_get_drvdata(component); - struct uda134x_platform_data *pd = uda134x->pd; - const struct snd_soc_dapm_widget *widgets; - unsigned num_widgets; - int ret; - - printk(KERN_INFO "UDA134X SoC Audio Codec\n"); - - switch (pd->model) { - case UDA134X_UDA1340: - case UDA134X_UDA1341: - case UDA134X_UDA1344: - case UDA134X_UDA1345: - break; - default: - printk(KERN_ERR "UDA134X SoC codec: " - "unsupported model %d\n", - pd->model); - return -EINVAL; - } - - if (pd->power) - pd->power(1); - - uda134x_reset(component); - - if (pd->model == UDA134X_UDA1341) { - widgets = uda1341_dapm_widgets; - num_widgets = ARRAY_SIZE(uda1341_dapm_widgets); - } else { - widgets = uda1340_dapm_widgets; - num_widgets = ARRAY_SIZE(uda1340_dapm_widgets); - } - - ret = snd_soc_dapm_new_controls(dapm, widgets, num_widgets); - if (ret) { - printk(KERN_ERR "%s failed to register dapm controls: %d", - __func__, ret); - return ret; - } - - switch (pd->model) { - case UDA134X_UDA1340: - case UDA134X_UDA1344: - ret = snd_soc_add_component_controls(component, uda1340_snd_controls, - ARRAY_SIZE(uda1340_snd_controls)); - break; - case UDA134X_UDA1341: - ret = snd_soc_add_component_controls(component, uda1341_snd_controls, - ARRAY_SIZE(uda1341_snd_controls)); - break; - case UDA134X_UDA1345: - ret = snd_soc_add_component_controls(component, uda1345_snd_controls, - ARRAY_SIZE(uda1345_snd_controls)); - break; - default: - printk(KERN_ERR "%s unknown codec type: %d", - __func__, pd->model); - return -EINVAL; - } - - if (ret < 0) { - printk(KERN_ERR "UDA134X: failed to register controls\n"); - return ret; - } - - return 0; -} - -static const struct snd_soc_component_driver soc_component_dev_uda134x = { - .probe = uda134x_soc_probe, - .set_bias_level = uda134x_set_bias_level, - .dapm_widgets = uda134x_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(uda134x_dapm_widgets), - .dapm_routes = uda134x_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(uda134x_dapm_routes), - .suspend_bias_off = 1, - .idle_bias_on = 1, - .use_pmdown_time = 1, - .endianness = 1, - .non_legacy_dai_naming = 1, -}; - -static const struct regmap_config uda134x_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = UDA134X_DATA1, - .reg_defaults = uda134x_reg_defaults, - .num_reg_defaults = ARRAY_SIZE(uda134x_reg_defaults), - .cache_type = REGCACHE_RBTREE, - - .reg_write = uda134x_regmap_write, -}; - -static int uda134x_codec_probe(struct platform_device *pdev) -{ - struct uda134x_platform_data *pd = pdev->dev.platform_data; - struct uda134x_priv *uda134x; - int ret; - - if (!pd) { - dev_err(&pdev->dev, "Missing L3 bitbang function\n"); - return -ENODEV; - } - - uda134x = devm_kzalloc(&pdev->dev, sizeof(*uda134x), GFP_KERNEL); - if (!uda134x) - return -ENOMEM; - - uda134x->pd = pd; - platform_set_drvdata(pdev, uda134x); - - if (pd->l3.use_gpios) { - ret = l3_set_gpio_ops(&pdev->dev, &uda134x->pd->l3); - if (ret < 0) - return ret; - } - - uda134x->regmap = devm_regmap_init(&pdev->dev, NULL, pd, - &uda134x_regmap_config); - if (IS_ERR(uda134x->regmap)) - return PTR_ERR(uda134x->regmap); - - return devm_snd_soc_register_component(&pdev->dev, - &soc_component_dev_uda134x, &uda134x_dai, 1); -} - -static struct platform_driver uda134x_codec_driver = { - .driver = { - .name = "uda134x-codec", - }, - .probe = uda134x_codec_probe, -}; - -module_platform_driver(uda134x_codec_driver); - -MODULE_DESCRIPTION("UDA134X ALSA soc codec driver"); -MODULE_AUTHOR("Zoltan Devai, Christian Pellegrin <chripell@evolware.org>"); -MODULE_LICENSE("GPL"); |