2019-05-27 00:55:01 -06:00
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// SPDX-License-Identifier: GPL-2.0-or-later
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2015-05-03 18:00:18 -06:00
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/*
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* TAS571x amplifier audio driver
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*
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* Copyright (C) 2015 Google, Inc.
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* Copyright (c) 2013 Daniel Mack <zonque@gmail.com>
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*
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2016-03-31 10:41:26 -06:00
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* TAS5721 support:
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* Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.com>
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*
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2018-06-27 01:39:37 -06:00
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* TAS5707 support:
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* Copyright (C) 2018 Jerome Brunet, Baylibre SAS <jbrunet@baylibre.com>
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2015-05-03 18:00:18 -06:00
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*/
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/device.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/kernel.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/stddef.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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2016-05-26 11:26:17 -06:00
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#include <asm/unaligned.h>
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2015-05-03 18:00:18 -06:00
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#include "tas571x.h"
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#define TAS571X_MAX_SUPPLIES 6
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struct tas571x_chip {
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const char *const *supply_names;
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int num_supply_names;
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const struct snd_kcontrol_new *controls;
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int num_controls;
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const struct regmap_config *regmap_config;
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int vol_reg_size;
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};
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struct tas571x_private {
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const struct tas571x_chip *chip;
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struct regmap *regmap;
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struct regulator_bulk_data supplies[TAS571X_MAX_SUPPLIES];
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struct clk *mclk;
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unsigned int format;
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struct gpio_desc *reset_gpio;
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struct gpio_desc *pdn_gpio;
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2018-01-28 21:31:00 -07:00
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struct snd_soc_component_driver component_driver;
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2015-05-03 18:00:18 -06:00
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};
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static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg)
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{
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switch (reg) {
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case TAS571X_MVOL_REG:
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case TAS571X_CH1_VOL_REG:
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case TAS571X_CH2_VOL_REG:
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return priv->chip->vol_reg_size;
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2016-03-31 10:41:25 -06:00
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case TAS571X_INPUT_MUX_REG:
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case TAS571X_CH4_SRC_SELECT_REG:
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case TAS571X_PWM_MUX_REG:
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2016-06-01 01:30:00 -06:00
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case TAS5717_CH1_RIGHT_CH_MIX_REG:
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case TAS5717_CH1_LEFT_CH_MIX_REG:
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case TAS5717_CH2_LEFT_CH_MIX_REG:
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case TAS5717_CH2_RIGHT_CH_MIX_REG:
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2016-03-31 10:41:25 -06:00
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return 4;
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2015-05-03 18:00:18 -06:00
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default:
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return 1;
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}
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}
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static int tas571x_reg_write(void *context, unsigned int reg,
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unsigned int value)
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{
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struct i2c_client *client = context;
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struct tas571x_private *priv = i2c_get_clientdata(client);
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unsigned int i, size;
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uint8_t buf[5];
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int ret;
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size = tas571x_register_size(priv, reg);
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buf[0] = reg;
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for (i = size; i >= 1; --i) {
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buf[i] = value;
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value >>= 8;
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}
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ret = i2c_master_send(client, buf, size + 1);
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if (ret == size + 1)
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return 0;
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else if (ret < 0)
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return ret;
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else
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return -EIO;
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}
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static int tas571x_reg_read(void *context, unsigned int reg,
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unsigned int *value)
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{
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struct i2c_client *client = context;
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struct tas571x_private *priv = i2c_get_clientdata(client);
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uint8_t send_buf, recv_buf[4];
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struct i2c_msg msgs[2];
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unsigned int size;
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unsigned int i;
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int ret;
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size = tas571x_register_size(priv, reg);
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send_buf = reg;
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msgs[0].addr = client->addr;
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msgs[0].len = sizeof(send_buf);
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msgs[0].buf = &send_buf;
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msgs[0].flags = 0;
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msgs[1].addr = client->addr;
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msgs[1].len = size;
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msgs[1].buf = recv_buf;
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msgs[1].flags = I2C_M_RD;
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ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
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if (ret < 0)
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return ret;
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else if (ret != ARRAY_SIZE(msgs))
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return -EIO;
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*value = 0;
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for (i = 0; i < size; i++) {
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*value <<= 8;
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*value |= recv_buf[i];
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}
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return 0;
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}
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2016-05-26 11:26:17 -06:00
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/*
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* register write for 8- and 20-byte registers
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*/
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static int tas571x_reg_write_multiword(struct i2c_client *client,
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unsigned int reg, const long values[], size_t len)
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{
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size_t i;
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uint8_t *buf, *p;
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int ret;
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size_t send_size = 1 + len * sizeof(uint32_t);
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buf = kzalloc(send_size, GFP_KERNEL | GFP_DMA);
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if (!buf)
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return -ENOMEM;
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buf[0] = reg;
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for (i = 0, p = buf + 1; i < len; i++, p += sizeof(uint32_t))
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put_unaligned_be32(values[i], p);
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ret = i2c_master_send(client, buf, send_size);
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kfree(buf);
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if (ret == send_size)
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return 0;
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else if (ret < 0)
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return ret;
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else
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return -EIO;
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}
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/*
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* register read for 8- and 20-byte registers
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*/
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static int tas571x_reg_read_multiword(struct i2c_client *client,
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unsigned int reg, long values[], size_t len)
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{
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unsigned int i;
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uint8_t send_buf;
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uint8_t *recv_buf, *p;
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struct i2c_msg msgs[2];
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unsigned int recv_size = len * sizeof(uint32_t);
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int ret;
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recv_buf = kzalloc(recv_size, GFP_KERNEL | GFP_DMA);
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if (!recv_buf)
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return -ENOMEM;
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send_buf = reg;
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msgs[0].addr = client->addr;
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msgs[0].len = sizeof(send_buf);
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msgs[0].buf = &send_buf;
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msgs[0].flags = 0;
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msgs[1].addr = client->addr;
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msgs[1].len = recv_size;
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msgs[1].buf = recv_buf;
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msgs[1].flags = I2C_M_RD;
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ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
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if (ret < 0)
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goto err_ret;
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else if (ret != ARRAY_SIZE(msgs)) {
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ret = -EIO;
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goto err_ret;
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}
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for (i = 0, p = recv_buf; i < len; i++, p += sizeof(uint32_t))
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values[i] = get_unaligned_be32(p);
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err_ret:
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kfree(recv_buf);
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return ret;
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}
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/*
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* Integer array controls for setting biquad, mixer, DRC coefficients.
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* According to the datasheet each coefficient is effectively 26bits,
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* i.e. stored as 32bits, where bits [31:26] are ignored.
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* TI's TAS57xx Graphical Development Environment tool however produces
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* coefficients with more than 26 bits. For this reason we allow values
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* in the full 32-bits reange.
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* The coefficients are ordered as given in the TAS571x data sheet:
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* b0, b1, b2, a1, a2
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*/
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static int tas571x_coefficient_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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int numcoef = kcontrol->private_value >> 16;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = numcoef;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 0xffffffff;
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return 0;
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}
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static int tas571x_coefficient_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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2018-01-28 21:31:00 -07:00
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct i2c_client *i2c = to_i2c_client(component->dev);
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2016-05-26 11:26:17 -06:00
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int numcoef = kcontrol->private_value >> 16;
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int index = kcontrol->private_value & 0xffff;
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return tas571x_reg_read_multiword(i2c, index,
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ucontrol->value.integer.value, numcoef);
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}
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static int tas571x_coefficient_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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2018-01-28 21:31:00 -07:00
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct i2c_client *i2c = to_i2c_client(component->dev);
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2016-05-26 11:26:17 -06:00
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int numcoef = kcontrol->private_value >> 16;
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int index = kcontrol->private_value & 0xffff;
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return tas571x_reg_write_multiword(i2c, index,
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ucontrol->value.integer.value, numcoef);
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}
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2015-05-03 18:00:18 -06:00
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static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format)
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{
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2018-01-28 21:31:00 -07:00
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struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
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2015-05-03 18:00:18 -06:00
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priv->format = format;
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return 0;
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}
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static int tas571x_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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2018-01-28 21:31:00 -07:00
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struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
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2015-05-03 18:00:18 -06:00
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u32 val;
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switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_RIGHT_J:
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val = 0x00;
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break;
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case SND_SOC_DAIFMT_I2S:
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val = 0x03;
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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val = 0x06;
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break;
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default:
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return -EINVAL;
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}
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if (params_width(params) >= 24)
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val += 2;
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else if (params_width(params) >= 20)
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val += 1;
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return regmap_update_bits(priv->regmap, TAS571X_SDI_REG,
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TAS571X_SDI_FMT_MASK, val);
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}
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2016-03-29 01:39:36 -06:00
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static int tas571x_mute(struct snd_soc_dai *dai, int mute)
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{
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2018-01-28 21:31:00 -07:00
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struct snd_soc_component *component = dai->component;
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2016-03-29 01:39:36 -06:00
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u8 sysctl2;
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int ret;
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sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0;
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2018-01-28 21:31:00 -07:00
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ret = snd_soc_component_update_bits(component,
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2016-03-29 01:39:36 -06:00
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TAS571X_SYS_CTRL_2_REG,
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TAS571X_SYS_CTRL_2_SDN_MASK,
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sysctl2);
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usleep_range(1000, 2000);
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return ret;
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}
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2018-01-28 21:31:00 -07:00
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static int tas571x_set_bias_level(struct snd_soc_component *component,
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2015-05-03 18:00:18 -06:00
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enum snd_soc_bias_level level)
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{
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2018-01-28 21:31:00 -07:00
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struct tas571x_private *priv = snd_soc_component_get_drvdata(component);
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2015-05-03 18:00:18 -06:00
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int ret;
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switch (level) {
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case SND_SOC_BIAS_ON:
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break;
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case SND_SOC_BIAS_PREPARE:
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break;
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case SND_SOC_BIAS_STANDBY:
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2018-01-28 21:31:00 -07:00
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if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
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2015-05-03 18:00:18 -06:00
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if (!IS_ERR(priv->mclk)) {
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ret = clk_prepare_enable(priv->mclk);
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if (ret) {
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2018-01-28 21:31:00 -07:00
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dev_err(component->dev,
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2015-05-03 18:00:18 -06:00
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"Failed to enable master clock: %d\n",
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ret);
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return ret;
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}
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}
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}
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break;
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case SND_SOC_BIAS_OFF:
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if (!IS_ERR(priv->mclk))
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clk_disable_unprepare(priv->mclk);
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|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct snd_soc_dai_ops tas571x_dai_ops = {
|
|
|
|
.set_fmt = tas571x_set_dai_fmt,
|
|
|
|
.hw_params = tas571x_hw_params,
|
2016-03-29 01:39:36 -06:00
|
|
|
.digital_mute = tas571x_mute,
|
2015-05-03 18:00:18 -06:00
|
|
|
};
|
|
|
|
|
2016-05-26 11:26:17 -06:00
|
|
|
|
|
|
|
#define BIQUAD_COEFS(xname, reg) \
|
|
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
|
|
|
|
.info = tas571x_coefficient_info, \
|
|
|
|
.get = tas571x_coefficient_get,\
|
|
|
|
.put = tas571x_coefficient_put, \
|
|
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
|
|
|
|
.private_value = reg | (5 << 16) }
|
|
|
|
|
2015-05-03 18:00:18 -06:00
|
|
|
static const char *const tas5711_supply_names[] = {
|
|
|
|
"AVDD",
|
|
|
|
"DVDD",
|
|
|
|
"PVDD_A",
|
|
|
|
"PVDD_B",
|
|
|
|
"PVDD_C",
|
|
|
|
"PVDD_D",
|
|
|
|
};
|
|
|
|
|
|
|
|
static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1);
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new tas5711_controls[] = {
|
|
|
|
SOC_SINGLE_TLV("Master Volume",
|
|
|
|
TAS571X_MVOL_REG,
|
|
|
|
0, 0xff, 1, tas5711_volume_tlv),
|
|
|
|
SOC_DOUBLE_R_TLV("Speaker Volume",
|
|
|
|
TAS571X_CH1_VOL_REG,
|
|
|
|
TAS571X_CH2_VOL_REG,
|
|
|
|
0, 0xff, 1, tas5711_volume_tlv),
|
|
|
|
SOC_DOUBLE("Speaker Switch",
|
|
|
|
TAS571X_SOFT_MUTE_REG,
|
|
|
|
TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
|
|
|
|
1, 1),
|
|
|
|
};
|
|
|
|
|
2016-03-31 10:41:25 -06:00
|
|
|
static const struct regmap_range tas571x_readonly_regs_range[] = {
|
|
|
|
regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_range tas571x_volatile_regs_range[] = {
|
|
|
|
regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
|
|
|
|
regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_access_table tas571x_write_regs = {
|
|
|
|
.no_ranges = tas571x_readonly_regs_range,
|
|
|
|
.n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_access_table tas571x_volatile_regs = {
|
|
|
|
.yes_ranges = tas571x_volatile_regs_range,
|
|
|
|
.n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range),
|
|
|
|
|
|
|
|
};
|
|
|
|
|
2015-05-03 18:00:18 -06:00
|
|
|
static const struct reg_default tas5711_reg_defaults[] = {
|
|
|
|
{ 0x04, 0x05 },
|
|
|
|
{ 0x05, 0x40 },
|
|
|
|
{ 0x06, 0x00 },
|
|
|
|
{ 0x07, 0xff },
|
|
|
|
{ 0x08, 0x30 },
|
|
|
|
{ 0x09, 0x30 },
|
|
|
|
{ 0x1b, 0x82 },
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_config tas5711_regmap_config = {
|
|
|
|
.reg_bits = 8,
|
|
|
|
.val_bits = 32,
|
|
|
|
.max_register = 0xff,
|
|
|
|
.reg_read = tas571x_reg_read,
|
|
|
|
.reg_write = tas571x_reg_write,
|
|
|
|
.reg_defaults = tas5711_reg_defaults,
|
|
|
|
.num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults),
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
2016-03-31 10:41:25 -06:00
|
|
|
.wr_table = &tas571x_write_regs,
|
|
|
|
.volatile_table = &tas571x_volatile_regs,
|
2015-05-03 18:00:18 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct tas571x_chip tas5711_chip = {
|
|
|
|
.supply_names = tas5711_supply_names,
|
|
|
|
.num_supply_names = ARRAY_SIZE(tas5711_supply_names),
|
|
|
|
.controls = tas5711_controls,
|
|
|
|
.num_controls = ARRAY_SIZE(tas5711_controls),
|
|
|
|
.regmap_config = &tas5711_regmap_config,
|
|
|
|
.vol_reg_size = 1,
|
|
|
|
};
|
|
|
|
|
2018-06-27 01:39:37 -06:00
|
|
|
static const struct regmap_range tas5707_volatile_regs_range[] = {
|
|
|
|
regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
|
|
|
|
regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
|
|
|
|
regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_access_table tas5707_volatile_regs = {
|
|
|
|
.yes_ranges = tas5707_volatile_regs_range,
|
|
|
|
.n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range),
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1);
|
|
|
|
|
|
|
|
static const char * const tas5707_volume_slew_step_txt[] = {
|
|
|
|
"256", "512", "1024", "2048",
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned int tas5707_volume_slew_step_values[] = {
|
|
|
|
3, 0, 1, 2,
|
|
|
|
};
|
|
|
|
|
|
|
|
static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum,
|
|
|
|
TAS571X_VOL_CFG_REG, 0, 0x3,
|
|
|
|
tas5707_volume_slew_step_txt,
|
|
|
|
tas5707_volume_slew_step_values);
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new tas5707_controls[] = {
|
|
|
|
SOC_SINGLE_TLV("Master Volume",
|
|
|
|
TAS571X_MVOL_REG,
|
|
|
|
0, 0xff, 1, tas5707_volume_tlv),
|
|
|
|
SOC_DOUBLE_R_TLV("Speaker Volume",
|
|
|
|
TAS571X_CH1_VOL_REG,
|
|
|
|
TAS571X_CH2_VOL_REG,
|
|
|
|
0, 0xff, 1, tas5707_volume_tlv),
|
|
|
|
SOC_DOUBLE("Speaker Switch",
|
|
|
|
TAS571X_SOFT_MUTE_REG,
|
|
|
|
TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
|
|
|
|
1, 1),
|
|
|
|
|
|
|
|
SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum),
|
|
|
|
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG),
|
|
|
|
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct reg_default tas5707_reg_defaults[] = {
|
|
|
|
{TAS571X_CLK_CTRL_REG, 0x6c},
|
|
|
|
{TAS571X_DEV_ID_REG, 0x70},
|
|
|
|
{TAS571X_ERR_STATUS_REG, 0x00},
|
|
|
|
{TAS571X_SYS_CTRL_1_REG, 0xa0},
|
|
|
|
{TAS571X_SDI_REG, 0x05},
|
|
|
|
{TAS571X_SYS_CTRL_2_REG, 0x40},
|
|
|
|
{TAS571X_SOFT_MUTE_REG, 0x00},
|
|
|
|
{TAS571X_MVOL_REG, 0xff},
|
|
|
|
{TAS571X_CH1_VOL_REG, 0x30},
|
|
|
|
{TAS571X_CH2_VOL_REG, 0x30},
|
|
|
|
{TAS571X_VOL_CFG_REG, 0x91},
|
|
|
|
{TAS571X_MODULATION_LIMIT_REG, 0x02},
|
|
|
|
{TAS571X_IC_DELAY_CH1_REG, 0xac},
|
|
|
|
{TAS571X_IC_DELAY_CH2_REG, 0x54},
|
|
|
|
{TAS571X_IC_DELAY_CH3_REG, 0xac},
|
|
|
|
{TAS571X_IC_DELAY_CH4_REG, 0x54},
|
|
|
|
{TAS571X_START_STOP_PERIOD_REG, 0x0f},
|
|
|
|
{TAS571X_OSC_TRIM_REG, 0x82},
|
|
|
|
{TAS571X_BKND_ERR_REG, 0x02},
|
|
|
|
{TAS571X_INPUT_MUX_REG, 0x17772},
|
|
|
|
{TAS571X_PWM_MUX_REG, 0x1021345},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_config tas5707_regmap_config = {
|
|
|
|
.reg_bits = 8,
|
|
|
|
.val_bits = 32,
|
|
|
|
.max_register = 0xff,
|
|
|
|
.reg_read = tas571x_reg_read,
|
|
|
|
.reg_write = tas571x_reg_write,
|
|
|
|
.reg_defaults = tas5707_reg_defaults,
|
|
|
|
.num_reg_defaults = ARRAY_SIZE(tas5707_reg_defaults),
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
|
|
.wr_table = &tas571x_write_regs,
|
|
|
|
.volatile_table = &tas5707_volatile_regs,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct tas571x_chip tas5707_chip = {
|
|
|
|
.supply_names = tas5711_supply_names,
|
|
|
|
.num_supply_names = ARRAY_SIZE(tas5711_supply_names),
|
|
|
|
.controls = tas5707_controls,
|
|
|
|
.num_controls = ARRAY_SIZE(tas5707_controls),
|
|
|
|
.regmap_config = &tas5707_regmap_config,
|
|
|
|
.vol_reg_size = 1,
|
|
|
|
};
|
|
|
|
|
2015-05-03 18:00:18 -06:00
|
|
|
static const char *const tas5717_supply_names[] = {
|
|
|
|
"AVDD",
|
|
|
|
"DVDD",
|
|
|
|
"HPVDD",
|
|
|
|
"PVDD_AB",
|
|
|
|
"PVDD_CD",
|
|
|
|
};
|
|
|
|
|
|
|
|
static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0);
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new tas5717_controls[] = {
|
|
|
|
/* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */
|
|
|
|
SOC_SINGLE_TLV("Master Volume",
|
|
|
|
TAS571X_MVOL_REG, 1, 0x1ff, 1,
|
|
|
|
tas5717_volume_tlv),
|
|
|
|
SOC_DOUBLE_R_TLV("Speaker Volume",
|
|
|
|
TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
|
|
|
|
1, 0x1ff, 1, tas5717_volume_tlv),
|
|
|
|
SOC_DOUBLE("Speaker Switch",
|
|
|
|
TAS571X_SOFT_MUTE_REG,
|
|
|
|
TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
|
|
|
|
1, 1),
|
2016-05-26 11:26:17 -06:00
|
|
|
|
2016-10-03 08:40:50 -06:00
|
|
|
SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
|
|
|
|
TAS5717_CH1_LEFT_CH_MIX_REG,
|
|
|
|
TAS5717_CH1_RIGHT_CH_MIX_REG,
|
|
|
|
16, 0, 0x80, 0),
|
|
|
|
|
|
|
|
SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
|
|
|
|
TAS5717_CH2_LEFT_CH_MIX_REG,
|
|
|
|
TAS5717_CH2_RIGHT_CH_MIX_REG,
|
|
|
|
16, 0, 0x80, 0),
|
|
|
|
|
2016-05-26 11:26:17 -06:00
|
|
|
/*
|
|
|
|
* The biquads are named according to the register names.
|
|
|
|
* Please note that TI's TAS57xx Graphical Development Environment
|
|
|
|
* tool names them different.
|
|
|
|
*/
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG),
|
|
|
|
BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG),
|
|
|
|
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG),
|
|
|
|
BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG),
|
|
|
|
|
|
|
|
BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG),
|
|
|
|
BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG),
|
|
|
|
|
|
|
|
BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG),
|
|
|
|
BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG),
|
2015-05-03 18:00:18 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct reg_default tas5717_reg_defaults[] = {
|
|
|
|
{ 0x04, 0x05 },
|
|
|
|
{ 0x05, 0x40 },
|
|
|
|
{ 0x06, 0x00 },
|
|
|
|
{ 0x07, 0x03ff },
|
|
|
|
{ 0x08, 0x00c0 },
|
|
|
|
{ 0x09, 0x00c0 },
|
|
|
|
{ 0x1b, 0x82 },
|
2016-06-01 01:30:00 -06:00
|
|
|
{ TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 },
|
|
|
|
{ TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
|
|
|
|
{ TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 },
|
|
|
|
{ TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
|
2015-05-03 18:00:18 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_config tas5717_regmap_config = {
|
|
|
|
.reg_bits = 8,
|
|
|
|
.val_bits = 32,
|
|
|
|
.max_register = 0xff,
|
|
|
|
.reg_read = tas571x_reg_read,
|
|
|
|
.reg_write = tas571x_reg_write,
|
|
|
|
.reg_defaults = tas5717_reg_defaults,
|
|
|
|
.num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults),
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
2016-03-31 10:41:25 -06:00
|
|
|
.wr_table = &tas571x_write_regs,
|
|
|
|
.volatile_table = &tas571x_volatile_regs,
|
2015-05-03 18:00:18 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
/* This entry is reused for tas5719 as the software interface is identical. */
|
|
|
|
static const struct tas571x_chip tas5717_chip = {
|
|
|
|
.supply_names = tas5717_supply_names,
|
|
|
|
.num_supply_names = ARRAY_SIZE(tas5717_supply_names),
|
|
|
|
.controls = tas5717_controls,
|
|
|
|
.num_controls = ARRAY_SIZE(tas5717_controls),
|
|
|
|
.regmap_config = &tas5717_regmap_config,
|
|
|
|
.vol_reg_size = 2,
|
|
|
|
};
|
|
|
|
|
2016-03-31 10:41:26 -06:00
|
|
|
static const char *const tas5721_supply_names[] = {
|
|
|
|
"AVDD",
|
|
|
|
"DVDD",
|
|
|
|
"DRVDD",
|
|
|
|
"PVDD",
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new tas5721_controls[] = {
|
|
|
|
SOC_SINGLE_TLV("Master Volume",
|
|
|
|
TAS571X_MVOL_REG,
|
|
|
|
0, 0xff, 1, tas5711_volume_tlv),
|
|
|
|
SOC_DOUBLE_R_TLV("Speaker Volume",
|
|
|
|
TAS571X_CH1_VOL_REG,
|
|
|
|
TAS571X_CH2_VOL_REG,
|
|
|
|
0, 0xff, 1, tas5711_volume_tlv),
|
|
|
|
SOC_DOUBLE("Speaker Switch",
|
|
|
|
TAS571X_SOFT_MUTE_REG,
|
|
|
|
TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
|
|
|
|
1, 1),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct reg_default tas5721_reg_defaults[] = {
|
|
|
|
{TAS571X_CLK_CTRL_REG, 0x6c},
|
|
|
|
{TAS571X_DEV_ID_REG, 0x00},
|
|
|
|
{TAS571X_ERR_STATUS_REG, 0x00},
|
|
|
|
{TAS571X_SYS_CTRL_1_REG, 0xa0},
|
|
|
|
{TAS571X_SDI_REG, 0x05},
|
|
|
|
{TAS571X_SYS_CTRL_2_REG, 0x40},
|
|
|
|
{TAS571X_SOFT_MUTE_REG, 0x00},
|
|
|
|
{TAS571X_MVOL_REG, 0xff},
|
|
|
|
{TAS571X_CH1_VOL_REG, 0x30},
|
|
|
|
{TAS571X_CH2_VOL_REG, 0x30},
|
|
|
|
{TAS571X_CH3_VOL_REG, 0x30},
|
|
|
|
{TAS571X_VOL_CFG_REG, 0x91},
|
|
|
|
{TAS571X_MODULATION_LIMIT_REG, 0x02},
|
|
|
|
{TAS571X_IC_DELAY_CH1_REG, 0xac},
|
|
|
|
{TAS571X_IC_DELAY_CH2_REG, 0x54},
|
|
|
|
{TAS571X_IC_DELAY_CH3_REG, 0xac},
|
|
|
|
{TAS571X_IC_DELAY_CH4_REG, 0x54},
|
|
|
|
{TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
|
|
|
|
{TAS571X_START_STOP_PERIOD_REG, 0x0f},
|
|
|
|
{TAS571X_OSC_TRIM_REG, 0x82},
|
|
|
|
{TAS571X_BKND_ERR_REG, 0x02},
|
|
|
|
{TAS571X_INPUT_MUX_REG, 0x17772},
|
|
|
|
{TAS571X_CH4_SRC_SELECT_REG, 0x4303},
|
|
|
|
{TAS571X_PWM_MUX_REG, 0x1021345},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct regmap_config tas5721_regmap_config = {
|
|
|
|
.reg_bits = 8,
|
|
|
|
.val_bits = 32,
|
|
|
|
.max_register = 0xff,
|
|
|
|
.reg_read = tas571x_reg_read,
|
|
|
|
.reg_write = tas571x_reg_write,
|
|
|
|
.reg_defaults = tas5721_reg_defaults,
|
|
|
|
.num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults),
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
|
|
.wr_table = &tas571x_write_regs,
|
|
|
|
.volatile_table = &tas571x_volatile_regs,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static const struct tas571x_chip tas5721_chip = {
|
|
|
|
.supply_names = tas5721_supply_names,
|
|
|
|
.num_supply_names = ARRAY_SIZE(tas5721_supply_names),
|
2019-06-12 17:25:02 -06:00
|
|
|
.controls = tas5721_controls,
|
|
|
|
.num_controls = ARRAY_SIZE(tas5721_controls),
|
2016-03-31 10:41:26 -06:00
|
|
|
.regmap_config = &tas5721_regmap_config,
|
|
|
|
.vol_reg_size = 1,
|
|
|
|
};
|
|
|
|
|
2015-05-03 18:00:18 -06:00
|
|
|
static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
|
|
|
|
SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
|
|
|
|
SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
|
|
|
|
|
|
|
|
SND_SOC_DAPM_OUTPUT("OUT_A"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("OUT_B"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("OUT_C"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("OUT_D"),
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_soc_dapm_route tas571x_dapm_routes[] = {
|
|
|
|
{ "DACL", NULL, "Playback" },
|
|
|
|
{ "DACR", NULL, "Playback" },
|
|
|
|
|
|
|
|
{ "OUT_A", NULL, "DACL" },
|
|
|
|
{ "OUT_B", NULL, "DACL" },
|
|
|
|
{ "OUT_C", NULL, "DACR" },
|
|
|
|
{ "OUT_D", NULL, "DACR" },
|
|
|
|
};
|
|
|
|
|
2018-01-28 21:31:00 -07:00
|
|
|
static const struct snd_soc_component_driver tas571x_component = {
|
|
|
|
.set_bias_level = tas571x_set_bias_level,
|
|
|
|
.dapm_widgets = tas571x_dapm_widgets,
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets),
|
|
|
|
.dapm_routes = tas571x_dapm_routes,
|
|
|
|
.num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes),
|
|
|
|
.use_pmdown_time = 1,
|
|
|
|
.endianness = 1,
|
|
|
|
.non_legacy_dai_naming = 1,
|
2015-05-03 18:00:18 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_dai_driver tas571x_dai = {
|
|
|
|
.name = "tas571x-hifi",
|
|
|
|
.playback = {
|
|
|
|
.stream_name = "Playback",
|
|
|
|
.channels_min = 2,
|
|
|
|
.channels_max = 2,
|
|
|
|
.rates = SNDRV_PCM_RATE_8000_48000,
|
|
|
|
.formats = SNDRV_PCM_FMTBIT_S32_LE |
|
|
|
|
SNDRV_PCM_FMTBIT_S24_LE |
|
|
|
|
SNDRV_PCM_FMTBIT_S16_LE,
|
|
|
|
},
|
|
|
|
.ops = &tas571x_dai_ops,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct of_device_id tas571x_of_match[];
|
|
|
|
|
|
|
|
static int tas571x_i2c_probe(struct i2c_client *client,
|
|
|
|
const struct i2c_device_id *id)
|
|
|
|
{
|
|
|
|
struct tas571x_private *priv;
|
|
|
|
struct device *dev = &client->dev;
|
2015-05-05 16:52:29 -06:00
|
|
|
const struct of_device_id *of_id;
|
2015-05-03 18:00:18 -06:00
|
|
|
int i, ret;
|
|
|
|
|
|
|
|
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
|
|
|
|
if (!priv)
|
|
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(client, priv);
|
|
|
|
|
2015-05-05 16:52:29 -06:00
|
|
|
of_id = of_match_device(tas571x_of_match, dev);
|
2016-03-29 01:39:35 -06:00
|
|
|
if (of_id)
|
|
|
|
priv->chip = of_id->data;
|
|
|
|
else
|
|
|
|
priv->chip = (void *) id->driver_data;
|
2015-05-03 18:00:18 -06:00
|
|
|
|
|
|
|
priv->mclk = devm_clk_get(dev, "mclk");
|
|
|
|
if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
|
|
|
|
dev_err(dev, "Failed to request mclk: %ld\n",
|
|
|
|
PTR_ERR(priv->mclk));
|
|
|
|
return PTR_ERR(priv->mclk);
|
|
|
|
}
|
|
|
|
|
2017-09-07 02:59:16 -06:00
|
|
|
if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES))
|
|
|
|
return -EINVAL;
|
2015-05-03 18:00:18 -06:00
|
|
|
for (i = 0; i < priv->chip->num_supply_names; i++)
|
|
|
|
priv->supplies[i].supply = priv->chip->supply_names[i];
|
|
|
|
|
|
|
|
ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names,
|
|
|
|
priv->supplies);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(dev, "Failed to get supplies: %d\n", ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
ret = regulator_bulk_enable(priv->chip->num_supply_names,
|
|
|
|
priv->supplies);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(dev, "Failed to enable supplies: %d\n", ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->regmap = devm_regmap_init(dev, NULL, client,
|
|
|
|
priv->chip->regmap_config);
|
|
|
|
if (IS_ERR(priv->regmap))
|
|
|
|
return PTR_ERR(priv->regmap);
|
|
|
|
|
|
|
|
priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
|
|
|
|
if (IS_ERR(priv->pdn_gpio)) {
|
|
|
|
dev_err(dev, "error requesting pdn_gpio: %ld\n",
|
|
|
|
PTR_ERR(priv->pdn_gpio));
|
|
|
|
return PTR_ERR(priv->pdn_gpio);
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
|
|
|
|
GPIOD_OUT_HIGH);
|
|
|
|
if (IS_ERR(priv->reset_gpio)) {
|
|
|
|
dev_err(dev, "error requesting reset_gpio: %ld\n",
|
|
|
|
PTR_ERR(priv->reset_gpio));
|
|
|
|
return PTR_ERR(priv->reset_gpio);
|
|
|
|
} else if (priv->reset_gpio) {
|
|
|
|
/* pulse the active low reset line for ~100us */
|
|
|
|
usleep_range(100, 200);
|
|
|
|
gpiod_set_value(priv->reset_gpio, 0);
|
2016-10-03 08:40:47 -06:00
|
|
|
usleep_range(13500, 20000);
|
2015-05-03 18:00:18 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
2016-10-03 08:40:49 -06:00
|
|
|
usleep_range(50000, 60000);
|
2015-05-03 18:00:18 -06:00
|
|
|
|
2018-01-28 21:31:00 -07:00
|
|
|
memcpy(&priv->component_driver, &tas571x_component, sizeof(priv->component_driver));
|
|
|
|
priv->component_driver.controls = priv->chip->controls;
|
|
|
|
priv->component_driver.num_controls = priv->chip->num_controls;
|
2015-05-03 18:00:18 -06:00
|
|
|
|
|
|
|
if (priv->chip->vol_reg_size == 2) {
|
|
|
|
/*
|
|
|
|
* The master volume defaults to 0x3ff (mute), but we ignore
|
|
|
|
* (zero) the LSB because the hardware step size is 0.125 dB
|
|
|
|
* and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB.
|
|
|
|
*/
|
|
|
|
ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2018-01-28 21:31:00 -07:00
|
|
|
return devm_snd_soc_register_component(&client->dev,
|
|
|
|
&priv->component_driver,
|
2015-05-03 18:00:18 -06:00
|
|
|
&tas571x_dai, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int tas571x_i2c_remove(struct i2c_client *client)
|
|
|
|
{
|
|
|
|
struct tas571x_private *priv = i2c_get_clientdata(client);
|
|
|
|
|
|
|
|
regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct of_device_id tas571x_of_match[] = {
|
2018-06-27 01:39:37 -06:00
|
|
|
{ .compatible = "ti,tas5707", .data = &tas5707_chip, },
|
2015-05-03 18:00:18 -06:00
|
|
|
{ .compatible = "ti,tas5711", .data = &tas5711_chip, },
|
|
|
|
{ .compatible = "ti,tas5717", .data = &tas5717_chip, },
|
|
|
|
{ .compatible = "ti,tas5719", .data = &tas5717_chip, },
|
2016-03-31 10:41:26 -06:00
|
|
|
{ .compatible = "ti,tas5721", .data = &tas5721_chip, },
|
2015-05-03 18:00:18 -06:00
|
|
|
{ }
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, tas571x_of_match);
|
|
|
|
|
|
|
|
static const struct i2c_device_id tas571x_i2c_id[] = {
|
2018-06-27 01:39:37 -06:00
|
|
|
{ "tas5707", (kernel_ulong_t) &tas5707_chip },
|
2016-03-29 01:39:35 -06:00
|
|
|
{ "tas5711", (kernel_ulong_t) &tas5711_chip },
|
|
|
|
{ "tas5717", (kernel_ulong_t) &tas5717_chip },
|
|
|
|
{ "tas5719", (kernel_ulong_t) &tas5717_chip },
|
2016-03-31 10:41:26 -06:00
|
|
|
{ "tas5721", (kernel_ulong_t) &tas5721_chip },
|
2015-05-03 18:00:18 -06:00
|
|
|
{ }
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);
|
|
|
|
|
|
|
|
static struct i2c_driver tas571x_i2c_driver = {
|
|
|
|
.driver = {
|
|
|
|
.name = "tas571x",
|
|
|
|
.of_match_table = of_match_ptr(tas571x_of_match),
|
|
|
|
},
|
|
|
|
.probe = tas571x_i2c_probe,
|
|
|
|
.remove = tas571x_i2c_remove,
|
|
|
|
.id_table = tas571x_i2c_id,
|
|
|
|
};
|
|
|
|
module_i2c_driver(tas571x_i2c_driver);
|
|
|
|
|
|
|
|
MODULE_DESCRIPTION("ASoC TAS571x driver");
|
|
|
|
MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>");
|
|
|
|
MODULE_LICENSE("GPL");
|