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925 lines
25 KiB
925 lines
25 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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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 <[email protected]> |
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* |
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* TAS5721 support: |
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* Copyright (C) 2016 Petr Kulhavy, Barix AG <[email protected]> |
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* |
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* TAS5707 support: |
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* Copyright (C) 2018 Jerome Brunet, Baylibre SAS <[email protected]> |
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*/ |
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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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#include <asm/unaligned.h> |
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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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struct snd_soc_component_driver component_driver; |
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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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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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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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return 4; |
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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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/* |
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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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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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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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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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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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static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format) |
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{ |
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struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component); |
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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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struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component); |
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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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static int tas571x_mute(struct snd_soc_dai *dai, int mute, int direction) |
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{ |
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struct snd_soc_component *component = dai->component; |
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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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ret = snd_soc_component_update_bits(component, |
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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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static int tas571x_set_bias_level(struct snd_soc_component *component, |
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enum snd_soc_bias_level level) |
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{ |
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struct tas571x_private *priv = snd_soc_component_get_drvdata(component); |
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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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if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { |
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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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dev_err(component->dev, |
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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; |
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} |
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return 0; |
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} |
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static const struct snd_soc_dai_ops tas571x_dai_ops = { |
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.set_fmt = tas571x_set_dai_fmt, |
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.hw_params = tas571x_hw_params, |
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.mute_stream = tas571x_mute, |
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.no_capture_mute = 1, |
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}; |
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#define BIQUAD_COEFS(xname, reg) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
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.info = tas571x_coefficient_info, \ |
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.get = tas571x_coefficient_get,\ |
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.put = tas571x_coefficient_put, \ |
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
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.private_value = reg | (5 << 16) } |
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static const char *const tas5711_supply_names[] = { |
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"AVDD", |
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"DVDD", |
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"PVDD_A", |
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"PVDD_B", |
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"PVDD_C", |
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"PVDD_D", |
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}; |
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static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1); |
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static const struct snd_kcontrol_new tas5711_controls[] = { |
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SOC_SINGLE_TLV("Master Volume", |
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TAS571X_MVOL_REG, |
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0, 0xff, 1, tas5711_volume_tlv), |
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SOC_DOUBLE_R_TLV("Speaker Volume", |
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TAS571X_CH1_VOL_REG, |
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TAS571X_CH2_VOL_REG, |
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0, 0xff, 1, tas5711_volume_tlv), |
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SOC_DOUBLE("Speaker Switch", |
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TAS571X_SOFT_MUTE_REG, |
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TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, |
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1, 1), |
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}; |
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static const struct regmap_range tas571x_readonly_regs_range[] = { |
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regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG), |
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}; |
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static const struct regmap_range tas571x_volatile_regs_range[] = { |
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regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG), |
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regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG), |
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}; |
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static const struct regmap_access_table tas571x_write_regs = { |
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.no_ranges = tas571x_readonly_regs_range, |
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.n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range), |
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}; |
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static const struct regmap_access_table tas571x_volatile_regs = { |
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.yes_ranges = tas571x_volatile_regs_range, |
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.n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range), |
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}; |
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static const struct reg_default tas5711_reg_defaults[] = { |
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{ 0x04, 0x05 }, |
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{ 0x05, 0x40 }, |
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{ 0x06, 0x00 }, |
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{ 0x07, 0xff }, |
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{ 0x08, 0x30 }, |
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{ 0x09, 0x30 }, |
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{ 0x1b, 0x82 }, |
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}; |
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static const struct regmap_config tas5711_regmap_config = { |
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.reg_bits = 8, |
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.val_bits = 32, |
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.max_register = 0xff, |
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.reg_read = tas571x_reg_read, |
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.reg_write = tas571x_reg_write, |
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.reg_defaults = tas5711_reg_defaults, |
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.num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults), |
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.cache_type = REGCACHE_RBTREE, |
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.wr_table = &tas571x_write_regs, |
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.volatile_table = &tas571x_volatile_regs, |
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}; |
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static const struct tas571x_chip tas5711_chip = { |
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.supply_names = tas5711_supply_names, |
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.num_supply_names = ARRAY_SIZE(tas5711_supply_names), |
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.controls = tas5711_controls, |
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.num_controls = ARRAY_SIZE(tas5711_controls), |
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.regmap_config = &tas5711_regmap_config, |
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.vol_reg_size = 1, |
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}; |
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static const struct regmap_range tas5707_volatile_regs_range[] = { |
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regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG), |
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regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG), |
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regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG), |
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}; |
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static const struct regmap_access_table tas5707_volatile_regs = { |
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.yes_ranges = tas5707_volatile_regs_range, |
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.n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range), |
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}; |
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static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1); |
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|
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static const char * const tas5707_volume_slew_step_txt[] = { |
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"256", "512", "1024", "2048", |
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}; |
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static const unsigned int tas5707_volume_slew_step_values[] = { |
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3, 0, 1, 2, |
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}; |
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static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum, |
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TAS571X_VOL_CFG_REG, 0, 0x3, |
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tas5707_volume_slew_step_txt, |
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tas5707_volume_slew_step_values); |
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static const struct snd_kcontrol_new tas5707_controls[] = { |
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SOC_SINGLE_TLV("Master Volume", |
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TAS571X_MVOL_REG, |
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0, 0xff, 1, tas5707_volume_tlv), |
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SOC_DOUBLE_R_TLV("Speaker Volume", |
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TAS571X_CH1_VOL_REG, |
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TAS571X_CH2_VOL_REG, |
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0, 0xff, 1, tas5707_volume_tlv), |
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SOC_DOUBLE("Speaker Switch", |
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TAS571X_SOFT_MUTE_REG, |
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TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, |
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1, 1), |
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SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum), |
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BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG), |
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BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG), |
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BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG), |
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BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG), |
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BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG), |
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BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG), |
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BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG), |
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BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG), |
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BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG), |
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BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG), |
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BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG), |
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BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG), |
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BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG), |
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BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG), |
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}; |
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|
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static const struct reg_default tas5707_reg_defaults[] = { |
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{TAS571X_CLK_CTRL_REG, 0x6c}, |
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{TAS571X_DEV_ID_REG, 0x70}, |
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{TAS571X_ERR_STATUS_REG, 0x00}, |
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{TAS571X_SYS_CTRL_1_REG, 0xa0}, |
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{TAS571X_SDI_REG, 0x05}, |
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{TAS571X_SYS_CTRL_2_REG, 0x40}, |
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{TAS571X_SOFT_MUTE_REG, 0x00}, |
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{TAS571X_MVOL_REG, 0xff}, |
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{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, |
|
}; |
|
|
|
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), |
|
|
|
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), |
|
|
|
/* |
|
* 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), |
|
}; |
|
|
|
static const struct reg_default tas5717_reg_defaults[] = { |
|
{ 0x04, 0x05 }, |
|
{ 0x05, 0x40 }, |
|
{ 0x06, 0x00 }, |
|
{ 0x07, 0x03ff }, |
|
{ 0x08, 0x00c0 }, |
|
{ 0x09, 0x00c0 }, |
|
{ 0x1b, 0x82 }, |
|
{ 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}, |
|
}; |
|
|
|
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, |
|
.wr_table = &tas571x_write_regs, |
|
.volatile_table = &tas571x_volatile_regs, |
|
}; |
|
|
|
/* 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, |
|
}; |
|
|
|
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), |
|
.controls = tas5721_controls, |
|
.num_controls = ARRAY_SIZE(tas5721_controls), |
|
.regmap_config = &tas5721_regmap_config, |
|
.vol_reg_size = 1, |
|
}; |
|
|
|
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" }, |
|
}; |
|
|
|
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, |
|
}; |
|
|
|
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[] __maybe_unused; |
|
|
|
static int tas571x_i2c_probe(struct i2c_client *client, |
|
const struct i2c_device_id *id) |
|
{ |
|
struct tas571x_private *priv; |
|
struct device *dev = &client->dev; |
|
const struct of_device_id *of_id; |
|
int i, ret; |
|
|
|
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |
|
if (!priv) |
|
return -ENOMEM; |
|
i2c_set_clientdata(client, priv); |
|
|
|
of_id = of_match_device(tas571x_of_match, dev); |
|
if (of_id) |
|
priv->chip = of_id->data; |
|
else |
|
priv->chip = (void *) id->driver_data; |
|
|
|
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); |
|
} |
|
|
|
if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES)) |
|
return -EINVAL; |
|
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)) { |
|
ret = PTR_ERR(priv->regmap); |
|
goto disable_regs; |
|
} |
|
|
|
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); |
|
usleep_range(13500, 20000); |
|
} |
|
|
|
ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0); |
|
if (ret) |
|
goto disable_regs; |
|
|
|
usleep_range(50000, 60000); |
|
|
|
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; |
|
|
|
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) |
|
goto disable_regs; |
|
} |
|
|
|
ret = devm_snd_soc_register_component(&client->dev, |
|
&priv->component_driver, |
|
&tas571x_dai, 1); |
|
if (ret) |
|
goto disable_regs; |
|
|
|
return ret; |
|
|
|
disable_regs: |
|
regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies); |
|
return ret; |
|
} |
|
|
|
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[] __maybe_unused = { |
|
{ .compatible = "ti,tas5707", .data = &tas5707_chip, }, |
|
{ .compatible = "ti,tas5711", .data = &tas5711_chip, }, |
|
{ .compatible = "ti,tas5717", .data = &tas5717_chip, }, |
|
{ .compatible = "ti,tas5719", .data = &tas5717_chip, }, |
|
{ .compatible = "ti,tas5721", .data = &tas5721_chip, }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE(of, tas571x_of_match); |
|
|
|
static const struct i2c_device_id tas571x_i2c_id[] = { |
|
{ "tas5707", (kernel_ulong_t) &tas5707_chip }, |
|
{ "tas5711", (kernel_ulong_t) &tas5711_chip }, |
|
{ "tas5717", (kernel_ulong_t) &tas5717_chip }, |
|
{ "tas5719", (kernel_ulong_t) &tas5717_chip }, |
|
{ "tas5721", (kernel_ulong_t) &tas5721_chip }, |
|
{ } |
|
}; |
|
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 <[email protected]>"); |
|
MODULE_LICENSE("GPL");
|
|
|