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Remove .owner field if calls are used which set it automatically. to silence the warning: ./sound/soc/codecs/tas2781-i2c.c:746:3-8: No need to set .owner here. The core will do it. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5589 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Link: https://lore.kernel.org/r/20230625010547.7353-1-yang.lee@linux.alibaba.com Signed-off-by: Mark Brown <broonie@kernel.org>
762 lines
20 KiB
C
762 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier
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//
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// Copyright (C) 2022 - 2023 Texas Instruments Incorporated
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// https://www.ti.com
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//
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// The TAS2781 driver implements a flexible and configurable
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// algo coefficient setting for one, two, or even multiple
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// TAS2781 chips.
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//
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// Author: Shenghao Ding <shenghao-ding@ti.com>
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// Author: Kevin Lu <kevin-lu@ti.com>
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//
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#include <linux/crc8.h>
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#include <linux/firmware.h>
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#include <linux/gpio/consumer.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_gpio.h>
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#include <linux/of_irq.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/tas2781.h>
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#include <sound/tlv.h>
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#include <sound/tas2781-tlv.h>
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static const struct i2c_device_id tasdevice_id[] = {
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{ "tas2781", TAS2781 },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, tasdevice_id);
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#ifdef CONFIG_OF
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static const struct of_device_id tasdevice_of_match[] = {
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{ .compatible = "ti,tas2781" },
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{},
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};
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MODULE_DEVICE_TABLE(of, tasdevice_of_match);
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#endif
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/**
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* tas2781_digital_getvol - get the volum control
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* @kcontrol: control pointer
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* @ucontrol: User data
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* Customer Kcontrol for tas2781 is primarily for regmap booking, paging
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* depends on internal regmap mechanism.
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* tas2781 contains book and page two-level register map, especially
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* book switching will set the register BXXP00R7F, after switching to the
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* correct book, then leverage the mechanism for paging to access the
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* register.
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*/
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static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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return tasdevice_digital_getvol(tas_priv, ucontrol, mc);
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}
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static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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return tasdevice_digital_putvol(tas_priv, ucontrol, mc);
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}
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static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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return tasdevice_amp_getvol(tas_priv, ucontrol, mc);
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}
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static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv =
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snd_soc_component_get_drvdata(codec);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
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}
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static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component =
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snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv =
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snd_soc_component_get_drvdata(component);
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ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
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dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
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tas_priv->force_fwload_status ? "ON" : "OFF");
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return 0;
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}
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static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component =
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snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv =
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snd_soc_component_get_drvdata(component);
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bool change, val = (bool)ucontrol->value.integer.value[0];
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if (tas_priv->force_fwload_status == val)
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change = false;
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else {
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change = true;
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tas_priv->force_fwload_status = val;
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}
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dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
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tas_priv->force_fwload_status ? "ON" : "OFF");
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return change;
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}
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static const struct snd_kcontrol_new tas2781_snd_controls[] = {
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SOC_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL,
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1, 0, 20, 0, tas2781_amp_getvol,
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tas2781_amp_putvol, amp_vol_tlv),
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SOC_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL,
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0, 0, 200, 1, tas2781_digital_getvol,
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tas2781_digital_putvol, dvc_tlv),
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SOC_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
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tas2781_force_fwload_get, tas2781_force_fwload_put),
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};
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static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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int ret = 0;
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if (tas_priv->rcabin.profile_cfg_id !=
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ucontrol->value.integer.value[0]) {
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tas_priv->rcabin.profile_cfg_id =
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ucontrol->value.integer.value[0];
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ret = 1;
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}
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return ret;
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}
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static int tasdevice_info_programs(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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struct tasdevice_fw *tas_fw = tas_priv->fmw;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = (int)tas_fw->nr_programs;
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return 0;
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}
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static int tasdevice_info_configurations(
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struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
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{
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struct snd_soc_component *codec =
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snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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struct tasdevice_fw *tas_fw = tas_priv->fmw;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = (int)tas_fw->nr_configurations - 1;
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return 0;
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}
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static int tasdevice_info_profile(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1;
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return 0;
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}
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static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;
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return 0;
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}
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static int tasdevice_create_control(struct tasdevice_priv *tas_priv)
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{
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struct snd_kcontrol_new *prof_ctrls;
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int nr_controls = 1;
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int mix_index = 0;
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int ret;
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char *name;
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prof_ctrls = devm_kcalloc(tas_priv->dev, nr_controls,
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sizeof(prof_ctrls[0]), GFP_KERNEL);
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if (!prof_ctrls) {
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ret = -ENOMEM;
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goto out;
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}
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/* Create a mixer item for selecting the active profile */
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name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
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GFP_KERNEL);
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if (!name) {
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ret = -ENOMEM;
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goto out;
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}
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scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "Speaker Profile Id");
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prof_ctrls[mix_index].name = name;
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prof_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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prof_ctrls[mix_index].info = tasdevice_info_profile;
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prof_ctrls[mix_index].get = tasdevice_get_profile_id;
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prof_ctrls[mix_index].put = tasdevice_set_profile_id;
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mix_index++;
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ret = snd_soc_add_component_controls(tas_priv->codec,
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prof_ctrls, nr_controls < mix_index ? nr_controls : mix_index);
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out:
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return ret;
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}
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static int tasdevice_program_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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ucontrol->value.integer.value[0] = tas_priv->cur_prog;
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return 0;
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}
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static int tasdevice_program_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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unsigned int nr_program = ucontrol->value.integer.value[0];
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int ret = 0;
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if (tas_priv->cur_prog != nr_program) {
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tas_priv->cur_prog = nr_program;
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ret = 1;
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}
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return ret;
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}
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static int tasdevice_configuration_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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ucontrol->value.integer.value[0] = tas_priv->cur_conf;
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return 0;
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}
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static int tasdevice_configuration_put(
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struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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unsigned int nr_configuration = ucontrol->value.integer.value[0];
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int ret = 0;
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if (tas_priv->cur_conf != nr_configuration) {
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tas_priv->cur_conf = nr_configuration;
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ret = 1;
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}
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return ret;
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}
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static int tasdevice_dsp_create_ctrls(
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struct tasdevice_priv *tas_priv)
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{
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struct snd_kcontrol_new *dsp_ctrls;
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char *prog_name, *conf_name;
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int nr_controls = 2;
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int mix_index = 0;
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int ret;
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/* Alloc kcontrol via devm_kzalloc, which don't manually
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* free the kcontrol
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*/
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dsp_ctrls = devm_kcalloc(tas_priv->dev, nr_controls,
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sizeof(dsp_ctrls[0]), GFP_KERNEL);
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if (!dsp_ctrls) {
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ret = -ENOMEM;
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goto out;
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}
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/* Create a mixer item for selecting the active profile */
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prog_name = devm_kzalloc(tas_priv->dev,
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SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL);
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conf_name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
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GFP_KERNEL);
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if (!prog_name || !conf_name) {
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ret = -ENOMEM;
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goto out;
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}
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scnprintf(prog_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
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"Speaker Program Id");
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dsp_ctrls[mix_index].name = prog_name;
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dsp_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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dsp_ctrls[mix_index].info = tasdevice_info_programs;
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dsp_ctrls[mix_index].get = tasdevice_program_get;
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dsp_ctrls[mix_index].put = tasdevice_program_put;
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mix_index++;
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scnprintf(conf_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
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"Speaker Config Id");
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dsp_ctrls[mix_index].name = conf_name;
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dsp_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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dsp_ctrls[mix_index].info = tasdevice_info_configurations;
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dsp_ctrls[mix_index].get = tasdevice_configuration_get;
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dsp_ctrls[mix_index].put = tasdevice_configuration_put;
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mix_index++;
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ret = snd_soc_add_component_controls(tas_priv->codec, dsp_ctrls,
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nr_controls < mix_index ? nr_controls : mix_index);
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out:
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return ret;
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}
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static void tasdevice_fw_ready(const struct firmware *fmw,
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void *context)
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{
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struct tasdevice_priv *tas_priv = context;
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int ret = 0;
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int i;
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mutex_lock(&tas_priv->codec_lock);
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ret = tasdevice_rca_parser(tas_priv, fmw);
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if (ret)
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goto out;
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tasdevice_create_control(tas_priv);
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tasdevice_dsp_remove(tas_priv);
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tasdevice_calbin_remove(tas_priv);
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tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
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scnprintf(tas_priv->coef_binaryname, 64, "%s_coef.bin",
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tas_priv->dev_name);
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ret = tasdevice_dsp_parser(tas_priv);
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if (ret) {
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dev_err(tas_priv->dev, "dspfw load %s error\n",
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tas_priv->coef_binaryname);
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tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
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goto out;
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}
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tasdevice_dsp_create_ctrls(tas_priv);
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tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
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/* If calibrated data occurs error, dsp will still works with default
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* calibrated data inside algo.
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*/
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for (i = 0; i < tas_priv->ndev; i++) {
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scnprintf(tas_priv->cal_binaryname[i], 64, "%s_cal_0x%02x.bin",
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tas_priv->dev_name, tas_priv->tasdevice[i].dev_addr);
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ret = tas2781_load_calibration(tas_priv,
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tas_priv->cal_binaryname[i], i);
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if (ret != 0)
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dev_err(tas_priv->dev,
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"%s: load %s error, default will effect\n",
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__func__, tas_priv->cal_binaryname[i]);
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}
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tasdevice_prmg_calibdata_load(tas_priv, 0);
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tas_priv->cur_prog = 0;
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out:
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if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
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/*If DSP FW fail, kcontrol won't be created */
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tasdevice_config_info_remove(tas_priv);
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tasdevice_dsp_remove(tas_priv);
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}
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mutex_unlock(&tas_priv->codec_lock);
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if (fmw)
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release_firmware(fmw);
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}
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static int tasdevice_dapm_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
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struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
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int state = 0;
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/* Codec Lock Hold */
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mutex_lock(&tas_priv->codec_lock);
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if (event == SND_SOC_DAPM_PRE_PMD)
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state = 1;
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tasdevice_tuning_switch(tas_priv, state);
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/* Codec Lock Release*/
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mutex_unlock(&tas_priv->codec_lock);
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return 0;
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}
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static const struct snd_soc_dapm_widget tasdevice_dapm_widgets[] = {
|
|
SND_SOC_DAPM_AIF_IN("ASI", "ASI Playback", 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT_E("ASI OUT", "ASI Capture", 0, SND_SOC_NOPM,
|
|
0, 0, tasdevice_dapm_event,
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
|
SND_SOC_DAPM_SPK("SPK", tasdevice_dapm_event),
|
|
SND_SOC_DAPM_OUTPUT("OUT"),
|
|
SND_SOC_DAPM_INPUT("DMIC")
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route tasdevice_audio_map[] = {
|
|
{"SPK", NULL, "ASI"},
|
|
{"OUT", NULL, "SPK"},
|
|
{"ASI OUT", NULL, "DMIC"}
|
|
};
|
|
|
|
static int tasdevice_startup(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *codec = dai->component;
|
|
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
|
|
int ret = 0;
|
|
|
|
if (tas_priv->fw_state != TASDEVICE_DSP_FW_ALL_OK) {
|
|
dev_err(tas_priv->dev, "DSP bin file not loaded\n");
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tasdevice_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
|
|
{
|
|
struct tasdevice_priv *tas_priv = snd_soc_dai_get_drvdata(dai);
|
|
unsigned int slot_width;
|
|
unsigned int fsrate;
|
|
int bclk_rate;
|
|
int rc = 0;
|
|
|
|
fsrate = params_rate(params);
|
|
switch (fsrate) {
|
|
case 48000:
|
|
case 44100:
|
|
break;
|
|
default:
|
|
dev_err(tas_priv->dev, "%s: incorrect sample rate = %u\n",
|
|
__func__, fsrate);
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
slot_width = params_width(params);
|
|
switch (slot_width) {
|
|
case 16:
|
|
case 20:
|
|
case 24:
|
|
case 32:
|
|
break;
|
|
default:
|
|
dev_err(tas_priv->dev, "%s: incorrect slot width = %u\n",
|
|
__func__, slot_width);
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
bclk_rate = snd_soc_params_to_bclk(params);
|
|
if (bclk_rate < 0) {
|
|
dev_err(tas_priv->dev, "%s: incorrect bclk rate = %d\n",
|
|
__func__, bclk_rate);
|
|
rc = bclk_rate;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int tasdevice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
|
|
int clk_id, unsigned int freq, int dir)
|
|
{
|
|
struct tasdevice_priv *tas_priv = snd_soc_dai_get_drvdata(codec_dai);
|
|
|
|
tas_priv->sysclk = freq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops tasdevice_dai_ops = {
|
|
.startup = tasdevice_startup,
|
|
.hw_params = tasdevice_hw_params,
|
|
.set_sysclk = tasdevice_set_dai_sysclk,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver tasdevice_dai_driver[] = {
|
|
{
|
|
.name = "tas2781_codec",
|
|
.id = 0,
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 4,
|
|
.rates = TASDEVICE_RATES,
|
|
.formats = TASDEVICE_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 4,
|
|
.rates = TASDEVICE_RATES,
|
|
.formats = TASDEVICE_FORMATS,
|
|
},
|
|
.ops = &tasdevice_dai_ops,
|
|
.symmetric_rate = 1,
|
|
},
|
|
};
|
|
|
|
static int tasdevice_codec_probe(struct snd_soc_component *codec)
|
|
{
|
|
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
|
|
|
|
return tascodec_init(tas_priv, codec, tasdevice_fw_ready);
|
|
}
|
|
|
|
static void tasdevice_deinit(void *context)
|
|
{
|
|
struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
|
|
|
|
tasdevice_config_info_remove(tas_priv);
|
|
tasdevice_dsp_remove(tas_priv);
|
|
tasdevice_calbin_remove(tas_priv);
|
|
tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
|
|
}
|
|
|
|
static void tasdevice_codec_remove(
|
|
struct snd_soc_component *codec)
|
|
{
|
|
struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec);
|
|
|
|
tasdevice_deinit(tas_priv);
|
|
}
|
|
|
|
static const struct snd_soc_component_driver
|
|
soc_codec_driver_tasdevice = {
|
|
.probe = tasdevice_codec_probe,
|
|
.remove = tasdevice_codec_remove,
|
|
.controls = tas2781_snd_controls,
|
|
.num_controls = ARRAY_SIZE(tas2781_snd_controls),
|
|
.dapm_widgets = tasdevice_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(tasdevice_dapm_widgets),
|
|
.dapm_routes = tasdevice_audio_map,
|
|
.num_dapm_routes = ARRAY_SIZE(tasdevice_audio_map),
|
|
.idle_bias_on = 1,
|
|
.endianness = 1,
|
|
};
|
|
|
|
static void tasdevice_parse_dt(struct tasdevice_priv *tas_priv)
|
|
{
|
|
struct i2c_client *client = (struct i2c_client *)tas_priv->client;
|
|
unsigned int dev_addrs[TASDEVICE_MAX_CHANNELS];
|
|
int rc, i, ndev = 0;
|
|
|
|
if (tas_priv->isacpi) {
|
|
ndev = device_property_read_u32_array(&client->dev,
|
|
"ti,audio-slots", NULL, 0);
|
|
if (ndev <= 0) {
|
|
ndev = 1;
|
|
dev_addrs[0] = client->addr;
|
|
} else {
|
|
ndev = (ndev < ARRAY_SIZE(dev_addrs))
|
|
? ndev : ARRAY_SIZE(dev_addrs);
|
|
ndev = device_property_read_u32_array(&client->dev,
|
|
"ti,audio-slots", dev_addrs, ndev);
|
|
}
|
|
|
|
tas_priv->irq_info.irq_gpio =
|
|
acpi_dev_gpio_irq_get(ACPI_COMPANION(&client->dev), 0);
|
|
} else {
|
|
struct device_node *np = tas_priv->dev->of_node;
|
|
#ifdef CONFIG_OF
|
|
const __be32 *reg, *reg_end;
|
|
int len, sw, aw;
|
|
|
|
aw = of_n_addr_cells(np);
|
|
sw = of_n_size_cells(np);
|
|
if (sw == 0) {
|
|
reg = (const __be32 *)of_get_property(np,
|
|
"reg", &len);
|
|
reg_end = reg + len/sizeof(*reg);
|
|
ndev = 0;
|
|
do {
|
|
dev_addrs[ndev] = of_read_number(reg, aw);
|
|
reg += aw;
|
|
ndev++;
|
|
} while (reg < reg_end);
|
|
} else {
|
|
ndev = 1;
|
|
dev_addrs[0] = client->addr;
|
|
}
|
|
#else
|
|
ndev = 1;
|
|
dev_addrs[0] = client->addr;
|
|
#endif
|
|
tas_priv->irq_info.irq_gpio = of_irq_get(np, 0);
|
|
}
|
|
tas_priv->ndev = ndev;
|
|
for (i = 0; i < ndev; i++)
|
|
tas_priv->tasdevice[i].dev_addr = dev_addrs[i];
|
|
|
|
tas_priv->reset = devm_gpiod_get_optional(&client->dev,
|
|
"reset-gpios", GPIOD_OUT_HIGH);
|
|
if (IS_ERR(tas_priv->reset))
|
|
dev_err(tas_priv->dev, "%s Can't get reset GPIO\n",
|
|
__func__);
|
|
|
|
strcpy(tas_priv->dev_name, tasdevice_id[tas_priv->chip_id].name);
|
|
|
|
if (gpio_is_valid(tas_priv->irq_info.irq_gpio)) {
|
|
rc = gpio_request(tas_priv->irq_info.irq_gpio,
|
|
"AUDEV-IRQ");
|
|
if (!rc) {
|
|
gpio_direction_input(
|
|
tas_priv->irq_info.irq_gpio);
|
|
|
|
tas_priv->irq_info.irq =
|
|
gpio_to_irq(tas_priv->irq_info.irq_gpio);
|
|
} else
|
|
dev_err(tas_priv->dev, "%s: GPIO %d request error\n",
|
|
__func__, tas_priv->irq_info.irq_gpio);
|
|
} else
|
|
dev_err(tas_priv->dev,
|
|
"Looking up irq-gpio property failed %d\n",
|
|
tas_priv->irq_info.irq_gpio);
|
|
}
|
|
|
|
static int tasdevice_i2c_probe(struct i2c_client *i2c)
|
|
{
|
|
const struct i2c_device_id *id = i2c_match_id(tasdevice_id, i2c);
|
|
const struct acpi_device_id *acpi_id;
|
|
struct tasdevice_priv *tas_priv;
|
|
int ret;
|
|
|
|
tas_priv = tasdevice_kzalloc(i2c);
|
|
if (!tas_priv)
|
|
return -ENOMEM;
|
|
|
|
if (ACPI_HANDLE(&i2c->dev)) {
|
|
acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table,
|
|
&i2c->dev);
|
|
if (!acpi_id) {
|
|
dev_err(&i2c->dev, "No driver data\n");
|
|
ret = -EINVAL;
|
|
goto err;
|
|
}
|
|
tas_priv->chip_id = acpi_id->driver_data;
|
|
tas_priv->isacpi = true;
|
|
} else {
|
|
tas_priv->chip_id = id ? id->driver_data : 0;
|
|
tas_priv->isacpi = false;
|
|
}
|
|
|
|
tasdevice_parse_dt(tas_priv);
|
|
|
|
ret = tasdevice_init(tas_priv);
|
|
if (ret)
|
|
goto err;
|
|
|
|
ret = devm_snd_soc_register_component(tas_priv->dev,
|
|
&soc_codec_driver_tasdevice,
|
|
tasdevice_dai_driver, ARRAY_SIZE(tasdevice_dai_driver));
|
|
if (ret) {
|
|
dev_err(tas_priv->dev, "%s: codec register error:0x%08x\n",
|
|
__func__, ret);
|
|
goto err;
|
|
}
|
|
err:
|
|
if (ret < 0)
|
|
tasdevice_remove(tas_priv);
|
|
return ret;
|
|
}
|
|
|
|
static void tasdevice_i2c_remove(struct i2c_client *client)
|
|
{
|
|
struct tasdevice_priv *tas_priv = i2c_get_clientdata(client);
|
|
|
|
tasdevice_remove(tas_priv);
|
|
}
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id tasdevice_acpi_match[] = {
|
|
{ "TAS2781", TAS2781 },
|
|
{},
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(acpi, tasdevice_acpi_match);
|
|
#endif
|
|
|
|
static struct i2c_driver tasdevice_i2c_driver = {
|
|
.driver = {
|
|
.name = "tas2781-codec",
|
|
.of_match_table = of_match_ptr(tasdevice_of_match),
|
|
#ifdef CONFIG_ACPI
|
|
.acpi_match_table = ACPI_PTR(tasdevice_acpi_match),
|
|
#endif
|
|
},
|
|
.probe = tasdevice_i2c_probe,
|
|
.remove = tasdevice_i2c_remove,
|
|
.id_table = tasdevice_id,
|
|
};
|
|
|
|
module_i2c_driver(tasdevice_i2c_driver);
|
|
|
|
MODULE_AUTHOR("Shenghao Ding <shenghao-ding@ti.com>");
|
|
MODULE_AUTHOR("Kevin Lu <kevin-lu@ti.com>");
|
|
MODULE_DESCRIPTION("ASoC TAS2781 Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB);
|