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mirror_ubuntu-kernels/sound/soc/codecs/aw88399.c

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lowlatency-hwe-6.8-next
2024-07-02 00:48:40 +03:00
// SPDX-License-Identifier: GPL-2.0-only
//
// aw88399.c -- ALSA SoC AW88399 codec support
//
// Copyright (c) 2023 AWINIC Technology CO., LTD
//
// Author: Weidong Wang <wangweidong.a@awinic.com>
//
#include <linux/crc32.h>
#include <linux/i2c.h>
#include <linux/firmware.h>
#include <linux/of_gpio.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "aw88399.h"
#include "aw88395/aw88395_device.h"
static const struct regmap_config aw88399_remap_config = {
.val_bits = 16,
.reg_bits = 8,
.max_register = AW88399_REG_MAX,
.reg_format_endian = REGMAP_ENDIAN_LITTLE,
.val_format_endian = REGMAP_ENDIAN_BIG,
};
static int aw_dev_dsp_write_16bit(struct aw_device *aw_dev,
unsigned short dsp_addr, unsigned int dsp_data)
{
int ret;
ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, dsp_addr);
if (ret) {
dev_err(aw_dev->dev, "%s write addr error, ret=%d", __func__, ret);
return ret;
}
ret = regmap_write(aw_dev->regmap, AW88399_DSPMDAT_REG, (u16)dsp_data);
if (ret) {
dev_err(aw_dev->dev, "%s write data error, ret=%d", __func__, ret);
return ret;
}
return 0;
}
static int aw_dev_dsp_read_16bit(struct aw_device *aw_dev,
unsigned short dsp_addr, unsigned int *dsp_data)
{
unsigned int temp_data;
int ret;
ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, dsp_addr);
if (ret) {
dev_err(aw_dev->dev, "%s write error, ret=%d", __func__, ret);
return ret;
}
ret = regmap_read(aw_dev->regmap, AW88399_DSPMDAT_REG, &temp_data);
if (ret) {
dev_err(aw_dev->dev, "%s read error, ret=%d", __func__, ret);
return ret;
}
*dsp_data = temp_data;
return 0;
}
static int aw_dev_dsp_read_32bit(struct aw_device *aw_dev,
unsigned short dsp_addr, unsigned int *dsp_data)
{
unsigned int temp_data;
int ret;
ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, dsp_addr);
if (ret) {
dev_err(aw_dev->dev, "%s write error, ret=%d", __func__, ret);
return ret;
}
ret = regmap_read(aw_dev->regmap, AW88399_DSPMDAT_REG, &temp_data);
if (ret) {
dev_err(aw_dev->dev, "%s read error, ret=%d", __func__, ret);
return ret;
}
*dsp_data = temp_data;
ret = regmap_read(aw_dev->regmap, AW88399_DSPMDAT_REG, &temp_data);
if (ret) {
dev_err(aw_dev->dev, "%s read error, ret=%d", __func__, ret);
return ret;
}
*dsp_data |= (temp_data << 16);
return 0;
}
static int aw_dev_dsp_read(struct aw_device *aw_dev,
unsigned short dsp_addr, unsigned int *dsp_data, unsigned char data_type)
{
u32 reg_value;
int ret;
mutex_lock(&aw_dev->dsp_lock);
switch (data_type) {
case AW88399_DSP_16_DATA:
ret = aw_dev_dsp_read_16bit(aw_dev, dsp_addr, dsp_data);
if (ret)
dev_err(aw_dev->dev, "read dsp_addr[0x%x] 16-bit dsp_data[0x%x] failed",
(u32)dsp_addr, *dsp_data);
break;
case AW88399_DSP_32_DATA:
ret = aw_dev_dsp_read_32bit(aw_dev, dsp_addr, dsp_data);
if (ret)
dev_err(aw_dev->dev, "read dsp_addr[0x%x] 32r-bit dsp_data[0x%x] failed",
(u32)dsp_addr, *dsp_data);
break;
default:
dev_err(aw_dev->dev, "data type[%d] unsupported", data_type);
ret = -EINVAL;
break;
}
/* clear dsp chip select state */
if (regmap_read(aw_dev->regmap, AW88399_ID_REG, &reg_value))
dev_err(aw_dev->dev, "%s fail to clear chip state. ret=%d\n", __func__, ret);
mutex_unlock(&aw_dev->dsp_lock);
return ret;
}
static void aw_dev_pwd(struct aw_device *aw_dev, bool pwd)
{
int ret;
if (pwd)
ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_PWDN_MASK, AW88399_PWDN_POWER_DOWN_VALUE);
else
ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_PWDN_MASK, AW88399_PWDN_WORKING_VALUE);
if (ret)
dev_dbg(aw_dev->dev, "%s failed", __func__);
}
static void aw_dev_get_int_status(struct aw_device *aw_dev, unsigned short *int_status)
{
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_SYSINT_REG, &reg_val);
if (ret)
dev_err(aw_dev->dev, "read interrupt reg fail, ret=%d", ret);
else
*int_status = reg_val;
dev_dbg(aw_dev->dev, "read interrupt reg=0x%04x", *int_status);
}
static void aw_dev_clear_int_status(struct aw_device *aw_dev)
{
u16 int_status;
/* read int status and clear */
aw_dev_get_int_status(aw_dev, &int_status);
/* make sure int status is clear */
aw_dev_get_int_status(aw_dev, &int_status);
if (int_status)
dev_dbg(aw_dev->dev, "int status(%d) is not cleaned.\n", int_status);
}
static int aw_dev_get_iis_status(struct aw_device *aw_dev)
{
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_SYSST_REG, &reg_val);
if (ret)
return ret;
if ((reg_val & AW88399_BIT_PLL_CHECK) != AW88399_BIT_PLL_CHECK) {
dev_err(aw_dev->dev, "check pll lock fail, reg_val:0x%04x", reg_val);
return -EINVAL;
}
return 0;
}
static int aw_dev_check_mode1_pll(struct aw_device *aw_dev)
{
int ret, i;
for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) {
ret = aw_dev_get_iis_status(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "mode1 iis signal check error");
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
} else {
return 0;
}
}
return -EPERM;
}
static int aw_dev_check_mode2_pll(struct aw_device *aw_dev)
{
unsigned int reg_val;
int ret, i;
ret = regmap_read(aw_dev->regmap, AW88399_PLLCTRL2_REG, &reg_val);
if (ret)
return ret;
reg_val &= (~AW88399_CCO_MUX_MASK);
if (reg_val == AW88399_CCO_MUX_DIVIDED_VALUE) {
dev_dbg(aw_dev->dev, "CCO_MUX is already divider");
return -EPERM;
}
/* change mode2 */
ret = regmap_update_bits(aw_dev->regmap, AW88399_PLLCTRL2_REG,
~AW88399_CCO_MUX_MASK, AW88399_CCO_MUX_DIVIDED_VALUE);
if (ret)
return ret;
for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) {
ret = aw_dev_get_iis_status(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "mode2 iis signal check error");
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
} else {
break;
}
}
/* change mode1 */
regmap_update_bits(aw_dev->regmap, AW88399_PLLCTRL2_REG,
~AW88399_CCO_MUX_MASK, AW88399_CCO_MUX_BYPASS_VALUE);
if (ret == 0) {
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) {
ret = aw_dev_get_iis_status(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "mode2 switch to mode1, iis signal check error");
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
} else {
break;
}
}
}
return ret;
}
static int aw_dev_check_syspll(struct aw_device *aw_dev)
{
int ret;
ret = aw_dev_check_mode1_pll(aw_dev);
if (ret) {
dev_dbg(aw_dev->dev, "mode1 check iis failed try switch to mode2 check");
ret = aw_dev_check_mode2_pll(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "mode2 check iis failed");
return ret;
}
}
return 0;
}
static int aw_dev_check_sysst(struct aw_device *aw_dev)
{
unsigned int check_val;
unsigned int reg_val;
int ret, i;
ret = regmap_read(aw_dev->regmap, AW88399_PWMCTRL3_REG, &reg_val);
if (ret)
return ret;
if (reg_val & (~AW88399_NOISE_GATE_EN_MASK))
check_val = AW88399_BIT_SYSST_NOSWS_CHECK;
else
check_val = AW88399_BIT_SYSST_SWS_CHECK;
for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) {
ret = regmap_read(aw_dev->regmap, AW88399_SYSST_REG, &reg_val);
if (ret)
return ret;
if ((reg_val & (~AW88399_BIT_SYSST_CHECK_MASK) & check_val) != check_val) {
dev_err(aw_dev->dev, "check sysst fail, cnt=%d, reg_val=0x%04x, check:0x%x",
i, reg_val, AW88399_BIT_SYSST_NOSWS_CHECK);
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
} else {
return 0;
}
}
return -EPERM;
}
static void aw_dev_amppd(struct aw_device *aw_dev, bool amppd)
{
int ret;
if (amppd)
ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_AMPPD_MASK, AW88399_AMPPD_POWER_DOWN_VALUE);
else
ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_AMPPD_MASK, AW88399_AMPPD_WORKING_VALUE);
if (ret)
dev_dbg(aw_dev->dev, "%s failed", __func__);
}
static void aw_dev_dsp_enable(struct aw_device *aw_dev, bool is_enable)
{
int ret;
if (is_enable)
ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_DSPBY_MASK, AW88399_DSPBY_WORKING_VALUE);
else
ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_DSPBY_MASK, AW88399_DSPBY_BYPASS_VALUE);
if (ret)
dev_dbg(aw_dev->dev, "%s failed\n", __func__);
}
static int aw88399_dev_get_icalk(struct aw88399 *aw88399, int16_t *icalk)
{
uint16_t icalkh_val, icalkl_val, icalk_val;
struct aw_device *aw_dev = aw88399->aw_pa;
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_EFRH4_REG, &reg_val);
if (ret)
return ret;
icalkh_val = reg_val & (~AW88399_EF_ISN_GESLP_H_MASK);
ret = regmap_read(aw_dev->regmap, AW88399_EFRL4_REG, &reg_val);
if (ret)
return ret;
icalkl_val = reg_val & (~AW88399_EF_ISN_GESLP_L_MASK);
if (aw88399->check_val == AW_EF_AND_CHECK)
icalk_val = icalkh_val & icalkl_val;
else
icalk_val = icalkh_val | icalkl_val;
if (icalk_val & (~AW88399_EF_ISN_GESLP_SIGN_MASK))
icalk_val = icalk_val | AW88399_EF_ISN_GESLP_SIGN_NEG;
*icalk = (int16_t)icalk_val;
return 0;
}
static int aw88399_dev_get_vcalk(struct aw88399 *aw88399, int16_t *vcalk)
{
uint16_t vcalkh_val, vcalkl_val, vcalk_val;
struct aw_device *aw_dev = aw88399->aw_pa;
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_EFRH3_REG, &reg_val);
if (ret)
return ret;
vcalkh_val = reg_val & (~AW88399_EF_VSN_GESLP_H_MASK);
ret = regmap_read(aw_dev->regmap, AW88399_EFRL3_REG, &reg_val);
if (ret)
return ret;
vcalkl_val = reg_val & (~AW88399_EF_VSN_GESLP_L_MASK);
if (aw88399->check_val == AW_EF_AND_CHECK)
vcalk_val = vcalkh_val & vcalkl_val;
else
vcalk_val = vcalkh_val | vcalkl_val;
if (vcalk_val & AW88399_EF_VSN_GESLP_SIGN_MASK)
vcalk_val = vcalk_val | AW88399_EF_VSN_GESLP_SIGN_NEG;
*vcalk = (int16_t)vcalk_val;
return 0;
}
static int aw88399_dev_get_internal_vcalk(struct aw88399 *aw88399, int16_t *vcalk)
{
uint16_t vcalkh_val, vcalkl_val, vcalk_val;
struct aw_device *aw_dev = aw88399->aw_pa;
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_EFRH2_REG, &reg_val);
if (ret)
return ret;
vcalkh_val = reg_val & (~AW88399_INTERNAL_VSN_TRIM_H_MASK);
ret = regmap_read(aw_dev->regmap, AW88399_EFRL2_REG, &reg_val);
if (ret)
return ret;
vcalkl_val = reg_val & (~AW88399_INTERNAL_VSN_TRIM_L_MASK);
if (aw88399->check_val == AW_EF_AND_CHECK)
vcalk_val = (vcalkh_val >> AW88399_INTERNAL_VSN_TRIM_H_START_BIT) &
(vcalkl_val >> AW88399_INTERNAL_VSN_TRIM_L_START_BIT);
else
vcalk_val = (vcalkh_val >> AW88399_INTERNAL_VSN_TRIM_H_START_BIT) |
(vcalkl_val >> AW88399_INTERNAL_VSN_TRIM_L_START_BIT);
if (vcalk_val & (~AW88399_TEM4_SIGN_MASK))
vcalk_val = vcalk_val | AW88399_TEM4_SIGN_NEG;
*vcalk = (int16_t)vcalk_val;
return 0;
}
static int aw_dev_set_vcalb(struct aw88399 *aw88399)
{
struct aw_device *aw_dev = aw88399->aw_pa;
unsigned int vsense_select, vsense_value;
int32_t ical_k, vcal_k, vcalb;
int16_t icalk, vcalk;
uint16_t reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_VSNCTRL1_REG, &vsense_value);
if (ret)
return ret;
vsense_select = vsense_value & (~AW88399_VDSEL_MASK);
ret = aw88399_dev_get_icalk(aw88399, &icalk);
if (ret) {
dev_err(aw_dev->dev, "get icalk failed\n");
return ret;
}
ical_k = icalk * AW88399_ICABLK_FACTOR + AW88399_CABL_BASE_VALUE;
switch (vsense_select) {
case AW88399_DEV_VDSEL_VSENSE:
ret = aw88399_dev_get_vcalk(aw88399, &vcalk);
vcal_k = vcalk * AW88399_VCABLK_FACTOR + AW88399_CABL_BASE_VALUE;
vcalb = AW88399_VCALB_ACCURACY * AW88399_VSCAL_FACTOR / AW88399_ISCAL_FACTOR /
ical_k / vcal_k * aw88399->vcalb_init_val;
break;
case AW88399_DEV_VDSEL_DAC:
ret = aw88399_dev_get_internal_vcalk(aw88399, &vcalk);
vcal_k = vcalk * AW88399_VCABLK_DAC_FACTOR + AW88399_CABL_BASE_VALUE;
vcalb = AW88399_VCALB_ACCURACY * AW88399_VSCAL_DAC_FACTOR /
AW88399_ISCAL_DAC_FACTOR / ical_k /
vcal_k * aw88399->vcalb_init_val;
break;
default:
dev_err(aw_dev->dev, "%s: unsupport vsense\n", __func__);
ret = -EINVAL;
break;
}
if (ret)
return ret;
vcalb = vcalb >> AW88399_VCALB_ADJ_FACTOR;
reg_val = (uint32_t)vcalb;
regmap_write(aw_dev->regmap, AW88399_DSPVCALB_REG, reg_val);
return 0;
}
static int aw_dev_update_cali_re(struct aw_cali_desc *cali_desc)
{
struct aw_device *aw_dev =
container_of(cali_desc, struct aw_device, cali_desc);
uint16_t re_lbits, re_hbits;
u32 cali_re;
int ret;
if ((aw_dev->cali_desc.cali_re >= AW88399_CALI_RE_MAX) ||
(aw_dev->cali_desc.cali_re <= AW88399_CALI_RE_MIN))
return -EINVAL;
cali_re = AW88399_SHOW_RE_TO_DSP_RE((aw_dev->cali_desc.cali_re +
aw_dev->cali_desc.ra), AW88399_DSP_RE_SHIFT);
re_hbits = (cali_re & (~AW88399_CALI_RE_HBITS_MASK)) >> AW88399_CALI_RE_HBITS_SHIFT;
re_lbits = (cali_re & (~AW88399_CALI_RE_LBITS_MASK)) >> AW88399_CALI_RE_LBITS_SHIFT;
ret = regmap_write(aw_dev->regmap, AW88399_ACR1_REG, re_hbits);
if (ret) {
dev_err(aw_dev->dev, "set cali re error");
return ret;
}
ret = regmap_write(aw_dev->regmap, AW88399_ACR2_REG, re_lbits);
if (ret)
dev_err(aw_dev->dev, "set cali re error");
return ret;
}
static int aw_dev_fw_crc_check(struct aw_device *aw_dev)
{
uint16_t check_val, fw_len_val;
unsigned int reg_val;
int ret;
/* calculate fw_end_addr */
fw_len_val = ((aw_dev->dsp_fw_len / AW_FW_ADDR_LEN) - 1) + AW88399_CRC_FW_BASE_ADDR;
/* write fw_end_addr to crc_end_addr */
ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG,
~AW88399_CRC_END_ADDR_MASK, fw_len_val);
if (ret)
return ret;
/* enable fw crc check */
ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG,
~AW88399_CRC_CODE_EN_MASK, AW88399_CRC_CODE_EN_ENABLE_VALUE);
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
/* read crc check result */
regmap_read(aw_dev->regmap, AW88399_HAGCST_REG, &reg_val);
if (ret)
return ret;
check_val = (reg_val & (~AW88399_CRC_CHECK_BITS_MASK)) >> AW88399_CRC_CHECK_START_BIT;
/* disable fw crc check */
ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG,
~AW88399_CRC_CODE_EN_MASK, AW88399_CRC_CODE_EN_DISABLE_VALUE);
if (ret)
return ret;
if (check_val != AW88399_CRC_CHECK_PASS_VAL) {
dev_err(aw_dev->dev, "%s failed, check_val 0x%x != 0x%x",
__func__, check_val, AW88399_CRC_CHECK_PASS_VAL);
ret = -EINVAL;
}
return ret;
}
static int aw_dev_cfg_crc_check(struct aw_device *aw_dev)
{
uint16_t check_val, cfg_len_val;
unsigned int reg_val;
int ret;
/* calculate cfg end addr */
cfg_len_val = ((aw_dev->dsp_cfg_len / AW_FW_ADDR_LEN) - 1) + AW88399_CRC_CFG_BASE_ADDR;
/* write cfg_end_addr to crc_end_addr */
ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG,
~AW88399_CRC_END_ADDR_MASK, cfg_len_val);
if (ret)
return ret;
/* enable cfg crc check */
ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG,
~AW88399_CRC_CFG_EN_MASK, AW88399_CRC_CFG_EN_ENABLE_VALUE);
if (ret)
return ret;
usleep_range(AW88399_1000_US, AW88399_1000_US + 10);
/* read crc check result */
ret = regmap_read(aw_dev->regmap, AW88399_HAGCST_REG, &reg_val);
if (ret)
return ret;
check_val = (reg_val & (~AW88399_CRC_CHECK_BITS_MASK)) >> AW88399_CRC_CHECK_START_BIT;
/* disable cfg crc check */
ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG,
~AW88399_CRC_CFG_EN_MASK, AW88399_CRC_CFG_EN_DISABLE_VALUE);
if (ret)
return ret;
if (check_val != AW88399_CRC_CHECK_PASS_VAL) {
dev_err(aw_dev->dev, "crc_check failed, check val 0x%x != 0x%x",
check_val, AW88399_CRC_CHECK_PASS_VAL);
ret = -EINVAL;
}
return ret;
}
static int aw_dev_hw_crc_check(struct aw88399 *aw88399)
{
struct aw_device *aw_dev = aw88399->aw_pa;
int ret;
ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG,
~AW88399_RAM_CG_BYP_MASK, AW88399_RAM_CG_BYP_BYPASS_VALUE);
if (ret)
return ret;
ret = aw_dev_fw_crc_check(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "fw_crc_check failed\n");
goto crc_check_failed;
}
ret = aw_dev_cfg_crc_check(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "cfg_crc_check failed\n");
goto crc_check_failed;
}
ret = regmap_write(aw_dev->regmap, AW88399_CRCCTRL_REG, aw88399->crc_init_val);
if (ret)
return ret;
ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG,
~AW88399_RAM_CG_BYP_MASK, AW88399_RAM_CG_BYP_WORK_VALUE);
return ret;
crc_check_failed:
regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG,
~AW88399_RAM_CG_BYP_MASK, AW88399_RAM_CG_BYP_WORK_VALUE);
return ret;
}
static void aw_dev_i2s_tx_enable(struct aw_device *aw_dev, bool flag)
{
int ret;
if (flag)
ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCTRL3_REG,
~AW88399_I2STXEN_MASK, AW88399_I2STXEN_ENABLE_VALUE);
else
ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG,
~AW88399_I2STXEN_MASK, AW88399_I2STXEN_DISABLE_VALUE);
if (ret)
dev_dbg(aw_dev->dev, "%s failed", __func__);
}
static int aw_dev_get_dsp_status(struct aw_device *aw_dev)
{
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_WDT_REG, &reg_val);
if (ret)
return ret;
if (!(reg_val & (~AW88399_WDT_CNT_MASK)))
ret = -EPERM;
return 0;
}
static int aw_dev_dsp_check(struct aw_device *aw_dev)
{
int ret, i;
switch (aw_dev->dsp_cfg) {
case AW88399_DEV_DSP_BYPASS:
dev_dbg(aw_dev->dev, "dsp bypass");
ret = 0;
break;
case AW88399_DEV_DSP_WORK:
aw_dev_dsp_enable(aw_dev, false);
aw_dev_dsp_enable(aw_dev, true);
usleep_range(AW88399_1000_US, AW88399_1000_US + 10);
for (i = 0; i < AW88399_DEV_DSP_CHECK_MAX; i++) {
ret = aw_dev_get_dsp_status(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "dsp wdt status error=%d", ret);
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
}
}
break;
default:
dev_err(aw_dev->dev, "unknown dsp cfg=%d", aw_dev->dsp_cfg);
ret = -EINVAL;
break;
}
return ret;
}
static int aw_dev_set_volume(struct aw_device *aw_dev, unsigned int value)
{
struct aw_volume_desc *vol_desc = &aw_dev->volume_desc;
unsigned int reg_value;
u16 real_value;
int ret;
real_value = min((value + vol_desc->init_volume), (unsigned int)AW88399_MUTE_VOL);
ret = regmap_read(aw_dev->regmap, AW88399_SYSCTRL2_REG, &reg_value);
if (ret)
return ret;
dev_dbg(aw_dev->dev, "value 0x%x , reg:0x%x", value, real_value);
real_value = (real_value << AW88399_VOL_START_BIT) | (reg_value & AW88399_VOL_MASK);
ret = regmap_write(aw_dev->regmap, AW88399_SYSCTRL2_REG, real_value);
return ret;
}
static void aw_dev_fade_in(struct aw_device *aw_dev)
{
struct aw_volume_desc *desc = &aw_dev->volume_desc;
u16 fade_in_vol = desc->ctl_volume;
int fade_step = aw_dev->fade_step;
int i;
if (fade_step == 0 || aw_dev->fade_in_time == 0) {
aw_dev_set_volume(aw_dev, fade_in_vol);
return;
}
for (i = AW88399_MUTE_VOL; i >= fade_in_vol; i -= fade_step) {
aw_dev_set_volume(aw_dev, i);
usleep_range(aw_dev->fade_in_time, aw_dev->fade_in_time + 10);
}
if (i != fade_in_vol)
aw_dev_set_volume(aw_dev, fade_in_vol);
}
static void aw_dev_fade_out(struct aw_device *aw_dev)
{
struct aw_volume_desc *desc = &aw_dev->volume_desc;
int fade_step = aw_dev->fade_step;
int i;
if (fade_step == 0 || aw_dev->fade_out_time == 0) {
aw_dev_set_volume(aw_dev, AW88399_MUTE_VOL);
return;
}
for (i = desc->ctl_volume; i <= AW88399_MUTE_VOL; i += fade_step) {
aw_dev_set_volume(aw_dev, i);
usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10);
}
if (i != AW88399_MUTE_VOL) {
aw_dev_set_volume(aw_dev, AW88399_MUTE_VOL);
usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10);
}
}
static void aw88399_dev_mute(struct aw_device *aw_dev, bool is_mute)
{
if (is_mute) {
aw_dev_fade_out(aw_dev);
regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_HMUTE_MASK, AW88399_HMUTE_ENABLE_VALUE);
} else {
regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG,
~AW88399_HMUTE_MASK, AW88399_HMUTE_DISABLE_VALUE);
aw_dev_fade_in(aw_dev);
}
}
static void aw88399_dev_set_dither(struct aw88399 *aw88399, bool dither)
{
struct aw_device *aw_dev = aw88399->aw_pa;
if (dither)
regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG,
~AW88399_DITHER_EN_MASK, AW88399_DITHER_EN_ENABLE_VALUE);
else
regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG,
~AW88399_DITHER_EN_MASK, AW88399_DITHER_EN_DISABLE_VALUE);
}
static int aw88399_dev_start(struct aw88399 *aw88399)
{
struct aw_device *aw_dev = aw88399->aw_pa;
int ret;
if (aw_dev->status == AW88399_DEV_PW_ON) {
dev_dbg(aw_dev->dev, "already power on");
return 0;
}
aw88399_dev_set_dither(aw88399, false);
/* power on */
aw_dev_pwd(aw_dev, false);
usleep_range(AW88399_2000_US, AW88399_2000_US + 10);
ret = aw_dev_check_syspll(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "pll check failed cannot start");
goto pll_check_fail;
}
/* amppd on */
aw_dev_amppd(aw_dev, false);
usleep_range(AW88399_1000_US, AW88399_1000_US + 50);
/* check i2s status */
ret = aw_dev_check_sysst(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "sysst check failed");
goto sysst_check_fail;
}
if (aw_dev->dsp_cfg == AW88399_DEV_DSP_WORK) {
ret = aw_dev_hw_crc_check(aw88399);
if (ret) {
dev_err(aw_dev->dev, "dsp crc check failed");
goto crc_check_fail;
}
aw_dev_dsp_enable(aw_dev, false);
aw_dev_set_vcalb(aw88399);
aw_dev_update_cali_re(&aw_dev->cali_desc);
ret = aw_dev_dsp_check(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "dsp status check failed");
goto dsp_check_fail;
}
} else {
dev_dbg(aw_dev->dev, "start pa with dsp bypass");
}
/* enable tx feedback */
aw_dev_i2s_tx_enable(aw_dev, true);
if (aw88399->dither_st == AW88399_DITHER_EN_ENABLE_VALUE)
aw88399_dev_set_dither(aw88399, true);
/* close mute */
aw88399_dev_mute(aw_dev, false);
/* clear inturrupt */
aw_dev_clear_int_status(aw_dev);
aw_dev->status = AW88399_DEV_PW_ON;
return 0;
dsp_check_fail:
crc_check_fail:
aw_dev_dsp_enable(aw_dev, false);
sysst_check_fail:
aw_dev_clear_int_status(aw_dev);
aw_dev_amppd(aw_dev, true);
pll_check_fail:
aw_dev_pwd(aw_dev, true);
aw_dev->status = AW88399_DEV_PW_OFF;
return ret;
}
static int aw_dev_dsp_update_container(struct aw_device *aw_dev,
unsigned char *data, unsigned int len, unsigned short base)
{
u32 tmp_len;
int i, ret;
mutex_lock(&aw_dev->dsp_lock);
ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, base);
if (ret)
goto error_operation;
for (i = 0; i < len; i += AW88399_MAX_RAM_WRITE_BYTE_SIZE) {
if ((len - i) < AW88399_MAX_RAM_WRITE_BYTE_SIZE)
tmp_len = len - i;
else
tmp_len = AW88399_MAX_RAM_WRITE_BYTE_SIZE;
ret = regmap_raw_write(aw_dev->regmap, AW88399_DSPMDAT_REG,
&data[i], tmp_len);
if (ret)
goto error_operation;
}
mutex_unlock(&aw_dev->dsp_lock);
return 0;
error_operation:
mutex_unlock(&aw_dev->dsp_lock);
return ret;
}
static int aw_dev_get_ra(struct aw_cali_desc *cali_desc)
{
struct aw_device *aw_dev =
container_of(cali_desc, struct aw_device, cali_desc);
u32 dsp_ra;
int ret;
ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CFG_ADPZ_RA,
&dsp_ra, AW88399_DSP_32_DATA);
if (ret) {
dev_err(aw_dev->dev, "read ra error");
return ret;
}
cali_desc->ra = AW88399_DSP_RE_TO_SHOW_RE(dsp_ra,
AW88399_DSP_RE_SHIFT);
return 0;
}
static int aw_dev_dsp_update_cfg(struct aw_device *aw_dev,
unsigned char *data, unsigned int len)
{
int ret;
dev_dbg(aw_dev->dev, "dsp config len:%d", len);
if (!len || !data) {
dev_err(aw_dev->dev, "dsp config data is null or len is 0");
return -EINVAL;
}
ret = aw_dev_dsp_update_container(aw_dev, data, len, AW88399_DSP_CFG_ADDR);
if (ret)
return ret;
aw_dev->dsp_cfg_len = len;
ret = aw_dev_get_ra(&aw_dev->cali_desc);
return ret;
}
static int aw_dev_dsp_update_fw(struct aw_device *aw_dev,
unsigned char *data, unsigned int len)
{
int ret;
dev_dbg(aw_dev->dev, "dsp firmware len:%d", len);
if (!len || !data) {
dev_err(aw_dev->dev, "dsp firmware data is null or len is 0");
return -EINVAL;
}
aw_dev->dsp_fw_len = len;
ret = aw_dev_dsp_update_container(aw_dev, data, len, AW88399_DSP_FW_ADDR);
return ret;
}
static int aw_dev_check_sram(struct aw_device *aw_dev)
{
unsigned int reg_val;
mutex_lock(&aw_dev->dsp_lock);
/* read dsp_rom_check_reg */
aw_dev_dsp_read_16bit(aw_dev, AW88399_DSP_ROM_CHECK_ADDR, &reg_val);
if (reg_val != AW88399_DSP_ROM_CHECK_DATA) {
dev_err(aw_dev->dev, "check dsp rom failed, read[0x%x] != check[0x%x]",
reg_val, AW88399_DSP_ROM_CHECK_DATA);
goto error;
}
/* check dsp_cfg_base_addr */
aw_dev_dsp_write_16bit(aw_dev, AW88399_DSP_CFG_ADDR, AW88399_DSP_ODD_NUM_BIT_TEST);
aw_dev_dsp_read_16bit(aw_dev, AW88399_DSP_CFG_ADDR, &reg_val);
if (reg_val != AW88399_DSP_ODD_NUM_BIT_TEST) {
dev_err(aw_dev->dev, "check dsp cfg failed, read[0x%x] != write[0x%x]",
reg_val, AW88399_DSP_ODD_NUM_BIT_TEST);
goto error;
}
mutex_unlock(&aw_dev->dsp_lock);
return 0;
error:
mutex_unlock(&aw_dev->dsp_lock);
return -EPERM;
}
static void aw_dev_select_memclk(struct aw_device *aw_dev, unsigned char flag)
{
int ret;
switch (flag) {
case AW88399_DEV_MEMCLK_PLL:
ret = regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG,
~AW88399_MEM_CLKSEL_MASK,
AW88399_MEM_CLKSEL_DAPHCLK_VALUE);
if (ret)
dev_err(aw_dev->dev, "memclk select pll failed");
break;
case AW88399_DEV_MEMCLK_OSC:
ret = regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG,
~AW88399_MEM_CLKSEL_MASK,
AW88399_MEM_CLKSEL_OSCCLK_VALUE);
if (ret)
dev_err(aw_dev->dev, "memclk select OSC failed");
break;
default:
dev_err(aw_dev->dev, "unknown memclk config, flag=0x%x", flag);
break;
}
}
static void aw_dev_get_cur_mode_st(struct aw_device *aw_dev)
{
struct aw_profctrl_desc *profctrl_desc = &aw_dev->profctrl_desc;
unsigned int reg_val;
int ret;
ret = regmap_read(aw_dev->regmap, AW88399_SYSCTRL_REG, &reg_val);
if (ret) {
dev_dbg(aw_dev->dev, "%s failed", __func__);
return;
}
if ((reg_val & (~AW88399_RCV_MODE_MASK)) == AW88399_RCV_MODE_RECEIVER_VALUE)
profctrl_desc->cur_mode = AW88399_RCV_MODE;
else
profctrl_desc->cur_mode = AW88399_NOT_RCV_MODE;
}
static int aw_dev_update_reg_container(struct aw88399 *aw88399,
unsigned char *data, unsigned int len)
{
struct aw_device *aw_dev = aw88399->aw_pa;
struct aw_volume_desc *vol_desc = &aw_dev->volume_desc;
u16 read_vol, reg_val;
int data_len, i, ret;
int16_t *reg_data;
u8 reg_addr;
reg_data = (int16_t *)data;
data_len = len >> 1;
if (data_len & 0x1) {
dev_err(aw_dev->dev, "data len:%d unsupported", data_len);
return -EINVAL;
}
for (i = 0; i < data_len; i += 2) {
reg_addr = reg_data[i];
reg_val = reg_data[i + 1];
if (reg_addr == AW88399_DSPVCALB_REG) {
aw88399->vcalb_init_val = reg_val;
continue;
}
if (reg_addr == AW88399_SYSCTRL_REG) {
if (reg_val & (~AW88399_DSPBY_MASK))
aw_dev->dsp_cfg = AW88399_DEV_DSP_BYPASS;
else
aw_dev->dsp_cfg = AW88399_DEV_DSP_WORK;
reg_val &= (AW88399_HMUTE_MASK | AW88399_PWDN_MASK |
AW88399_DSPBY_MASK);
reg_val |= (AW88399_HMUTE_ENABLE_VALUE | AW88399_PWDN_POWER_DOWN_VALUE |
AW88399_DSPBY_BYPASS_VALUE);
}
if (reg_addr == AW88399_I2SCTRL3_REG) {
reg_val &= AW88399_I2STXEN_MASK;
reg_val |= AW88399_I2STXEN_DISABLE_VALUE;
}
if (reg_addr == AW88399_SYSCTRL2_REG) {
read_vol = (reg_val & (~AW88399_VOL_MASK)) >>
AW88399_VOL_START_BIT;
aw_dev->volume_desc.init_volume = read_vol;
}
if (reg_addr == AW88399_DBGCTRL_REG) {
if ((reg_val & (~AW88399_EF_DBMD_MASK)) == AW88399_EF_DBMD_OR_VALUE)
aw88399->check_val = AW_EF_OR_CHECK;
else
aw88399->check_val = AW_EF_AND_CHECK;
aw88399->dither_st = reg_val & (~AW88399_DITHER_EN_MASK);
}
if (reg_addr == AW88399_CRCCTRL_REG)
aw88399->crc_init_val = reg_val;
ret = regmap_write(aw_dev->regmap, reg_addr, reg_val);
if (ret)
return ret;
}
aw_dev_pwd(aw_dev, false);
usleep_range(AW88399_1000_US, AW88399_1000_US + 10);
aw_dev_get_cur_mode_st(aw_dev);
if (aw_dev->prof_cur != aw_dev->prof_index)
vol_desc->ctl_volume = 0;
else
aw_dev_set_volume(aw_dev, vol_desc->ctl_volume);
return 0;
}
static int aw_dev_reg_update(struct aw88399 *aw88399,
unsigned char *data, unsigned int len)
{
int ret;
if (!len || !data) {
dev_err(aw88399->aw_pa->dev, "reg data is null or len is 0");
return -EINVAL;
}
ret = aw_dev_update_reg_container(aw88399, data, len);
if (ret)
dev_err(aw88399->aw_pa->dev, "reg update failed");
return ret;
}
static int aw88399_dev_get_prof_name(struct aw_device *aw_dev, int index, char **prof_name)
{
struct aw_prof_info *prof_info = &aw_dev->prof_info;
struct aw_prof_desc *prof_desc;
if ((index >= aw_dev->prof_info.count) || (index < 0)) {
dev_err(aw_dev->dev, "index[%d] overflow count[%d]",
index, aw_dev->prof_info.count);
return -EINVAL;
}
prof_desc = &aw_dev->prof_info.prof_desc[index];
*prof_name = prof_info->prof_name_list[prof_desc->id];
return 0;
}
static int aw88399_dev_get_prof_data(struct aw_device *aw_dev, int index,
struct aw_prof_desc **prof_desc)
{
if ((index >= aw_dev->prof_info.count) || (index < 0)) {
dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n",
__func__, index, aw_dev->prof_info.count);
return -EINVAL;
}
*prof_desc = &aw_dev->prof_info.prof_desc[index];
return 0;
}
static int aw88399_dev_fw_update(struct aw88399 *aw88399, bool up_dsp_fw_en, bool force_up_en)
{
struct aw_device *aw_dev = aw88399->aw_pa;
struct aw_prof_desc *prof_index_desc;
struct aw_sec_data_desc *sec_desc;
char *prof_name;
int ret;
if ((aw_dev->prof_cur == aw_dev->prof_index) &&
(force_up_en == AW88399_FORCE_UPDATE_OFF)) {
dev_dbg(aw_dev->dev, "scene no change, not update");
return 0;
}
if (aw_dev->fw_status == AW88399_DEV_FW_FAILED) {
dev_err(aw_dev->dev, "fw status[%d] error", aw_dev->fw_status);
return -EPERM;
}
ret = aw88399_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name);
if (ret)
return ret;
dev_dbg(aw_dev->dev, "start update %s", prof_name);
ret = aw88399_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc);
if (ret)
return ret;
/* update reg */
sec_desc = prof_index_desc->sec_desc;
ret = aw_dev_reg_update(aw88399, sec_desc[AW88395_DATA_TYPE_REG].data,
sec_desc[AW88395_DATA_TYPE_REG].len);
if (ret) {
dev_err(aw_dev->dev, "update reg failed");
return ret;
}
aw88399_dev_mute(aw_dev, true);
if (aw_dev->dsp_cfg == AW88399_DEV_DSP_WORK)
aw_dev_dsp_enable(aw_dev, false);
aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_OSC);
ret = aw_dev_check_sram(aw_dev);
if (ret) {
dev_err(aw_dev->dev, "check sram failed");
goto error;
}
if (up_dsp_fw_en) {
dev_dbg(aw_dev->dev, "fw_ver: [%x]", prof_index_desc->fw_ver);
ret = aw_dev_dsp_update_fw(aw_dev, sec_desc[AW88395_DATA_TYPE_DSP_FW].data,
sec_desc[AW88395_DATA_TYPE_DSP_FW].len);
if (ret) {
dev_err(aw_dev->dev, "update dsp fw failed");
goto error;
}
}
/* update dsp config */
ret = aw_dev_dsp_update_cfg(aw_dev, sec_desc[AW88395_DATA_TYPE_DSP_CFG].data,
sec_desc[AW88395_DATA_TYPE_DSP_CFG].len);
if (ret) {
dev_err(aw_dev->dev, "update dsp cfg failed");
goto error;
}
aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_PLL);
aw_dev->prof_cur = aw_dev->prof_index;
return 0;
error:
aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_PLL);
return ret;
}
static void aw88399_start_pa(struct aw88399 *aw88399)
{
int ret, i;
for (i = 0; i < AW88399_START_RETRIES; i++) {
ret = aw88399_dev_start(aw88399);
if (ret) {
dev_err(aw88399->aw_pa->dev, "aw88399 device start failed. retry = %d", i);
ret = aw88399_dev_fw_update(aw88399, AW88399_DSP_FW_UPDATE_ON, true);
if (ret) {
dev_err(aw88399->aw_pa->dev, "fw update failed");
continue;
}
} else {
dev_dbg(aw88399->aw_pa->dev, "start success\n");
break;
}
}
}
static void aw88399_startup_work(struct work_struct *work)
{
struct aw88399 *aw88399 =
container_of(work, struct aw88399, start_work.work);
mutex_lock(&aw88399->lock);
aw88399_start_pa(aw88399);
mutex_unlock(&aw88399->lock);
}
static void aw88399_start(struct aw88399 *aw88399, bool sync_start)
{
int ret;
if (aw88399->aw_pa->fw_status != AW88399_DEV_FW_OK)
return;
if (aw88399->aw_pa->status == AW88399_DEV_PW_ON)
return;
ret = aw88399_dev_fw_update(aw88399, AW88399_DSP_FW_UPDATE_OFF, true);
if (ret) {
dev_err(aw88399->aw_pa->dev, "fw update failed.");
return;
}
if (sync_start == AW88399_SYNC_START)
aw88399_start_pa(aw88399);
else
queue_delayed_work(system_wq,
&aw88399->start_work,
AW88399_START_WORK_DELAY_MS);
}
static int aw_dev_check_sysint(struct aw_device *aw_dev)
{
u16 reg_val;
aw_dev_get_int_status(aw_dev, &reg_val);
if (reg_val & AW88399_BIT_SYSINT_CHECK) {
dev_err(aw_dev->dev, "pa stop check fail:0x%04x", reg_val);
return -EINVAL;
}
return 0;
}
static int aw88399_stop(struct aw_device *aw_dev)
{
struct aw_sec_data_desc *dsp_cfg =
&aw_dev->prof_info.prof_desc[aw_dev->prof_cur].sec_desc[AW88395_DATA_TYPE_DSP_CFG];
struct aw_sec_data_desc *dsp_fw =
&aw_dev->prof_info.prof_desc[aw_dev->prof_cur].sec_desc[AW88395_DATA_TYPE_DSP_FW];
int int_st;
if (aw_dev->status == AW88399_DEV_PW_OFF) {
dev_dbg(aw_dev->dev, "already power off");
return 0;
}
aw_dev->status = AW88399_DEV_PW_OFF;
aw88399_dev_mute(aw_dev, true);
usleep_range(AW88399_4000_US, AW88399_4000_US + 100);
aw_dev_i2s_tx_enable(aw_dev, false);
usleep_range(AW88399_1000_US, AW88399_1000_US + 100);
int_st = aw_dev_check_sysint(aw_dev);
aw_dev_dsp_enable(aw_dev, false);
aw_dev_amppd(aw_dev, true);
if (int_st) {
aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_OSC);
aw_dev_dsp_update_fw(aw_dev, dsp_fw->data, dsp_fw->len);
aw_dev_dsp_update_cfg(aw_dev, dsp_cfg->data, dsp_cfg->len);
aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_PLL);
}
aw_dev_pwd(aw_dev, true);
return 0;
}
static struct snd_soc_dai_driver aw88399_dai[] = {
{
.name = "aw88399-aif",
.id = 1,
.playback = {
.stream_name = "Speaker_Playback",
.channels_min = 1,
.channels_max = 2,
.rates = AW88399_RATES,
.formats = AW88399_FORMATS,
},
.capture = {
.stream_name = "Speaker_Capture",
.channels_min = 1,
.channels_max = 2,
.rates = AW88399_RATES,
.formats = AW88399_FORMATS,
},
},
};
static int aw88399_get_fade_in_time(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
struct aw_device *aw_dev = aw88399->aw_pa;
ucontrol->value.integer.value[0] = aw_dev->fade_in_time;
return 0;
}
static int aw88399_set_fade_in_time(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct aw_device *aw_dev = aw88399->aw_pa;
int time;
time = ucontrol->value.integer.value[0];
if (time < mc->min || time > mc->max)
return -EINVAL;
if (time != aw_dev->fade_in_time) {
aw_dev->fade_in_time = time;
return 1;
}
return 0;
}
static int aw88399_get_fade_out_time(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
struct aw_device *aw_dev = aw88399->aw_pa;
ucontrol->value.integer.value[0] = aw_dev->fade_out_time;
return 0;
}
static int aw88399_set_fade_out_time(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct aw_device *aw_dev = aw88399->aw_pa;
int time;
time = ucontrol->value.integer.value[0];
if (time < mc->min || time > mc->max)
return -EINVAL;
if (time != aw_dev->fade_out_time) {
aw_dev->fade_out_time = time;
return 1;
}
return 0;
}
static int aw88399_dev_set_profile_index(struct aw_device *aw_dev, int index)
{
/* check the index whether is valid */
if ((index >= aw_dev->prof_info.count) || (index < 0))
return -EINVAL;
/* check the index whether change */
if (aw_dev->prof_index == index)
return -EINVAL;
aw_dev->prof_index = index;
dev_dbg(aw_dev->dev, "set prof[%s]",
aw_dev->prof_info.prof_name_list[aw_dev->prof_info.prof_desc[index].id]);
return 0;
}
static int aw88399_profile_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
char *prof_name, *name;
int count, ret;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
count = aw88399->aw_pa->prof_info.count;
if (count <= 0) {
uinfo->value.enumerated.items = 0;
return 0;
}
uinfo->value.enumerated.items = count;
if (uinfo->value.enumerated.item >= count)
uinfo->value.enumerated.item = count - 1;
name = uinfo->value.enumerated.name;
count = uinfo->value.enumerated.item;
ret = aw88399_dev_get_prof_name(aw88399->aw_pa, count, &prof_name);
if (ret) {
strscpy(uinfo->value.enumerated.name, "null",
strlen("null") + 1);
return 0;
}
strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name));
return 0;
}
static int aw88399_profile_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
ucontrol->value.integer.value[0] = aw88399->aw_pa->prof_index;
return 0;
}
static int aw88399_profile_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
int ret;
mutex_lock(&aw88399->lock);
ret = aw88399_dev_set_profile_index(aw88399->aw_pa, ucontrol->value.integer.value[0]);
if (ret) {
dev_dbg(codec->dev, "profile index does not change");
mutex_unlock(&aw88399->lock);
return 0;
}
if (aw88399->aw_pa->status) {
aw88399_stop(aw88399->aw_pa);
aw88399_start(aw88399, AW88399_SYNC_START);
}
mutex_unlock(&aw88399->lock);
return 1;
}
static int aw88399_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
struct aw_volume_desc *vol_desc = &aw88399->aw_pa->volume_desc;
ucontrol->value.integer.value[0] = vol_desc->ctl_volume;
return 0;
}
static int aw88399_volume_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
struct aw_volume_desc *vol_desc = &aw88399->aw_pa->volume_desc;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int value;
value = ucontrol->value.integer.value[0];
if (value < mc->min || value > mc->max)
return -EINVAL;
if (vol_desc->ctl_volume != value) {
vol_desc->ctl_volume = value;
aw_dev_set_volume(aw88399->aw_pa, vol_desc->ctl_volume);
return 1;
}
return 0;
}
static int aw88399_get_fade_step(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
ucontrol->value.integer.value[0] = aw88399->aw_pa->fade_step;
return 0;
}
static int aw88399_set_fade_step(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int value;
value = ucontrol->value.integer.value[0];
if (value < mc->min || value > mc->max)
return -EINVAL;
if (aw88399->aw_pa->fade_step != value) {
aw88399->aw_pa->fade_step = value;
return 1;
}
return 0;
}
static int aw88399_re_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
struct aw_device *aw_dev = aw88399->aw_pa;
ucontrol->value.integer.value[0] = aw_dev->cali_desc.cali_re;
return 0;
}
static int aw88399_re_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct aw_device *aw_dev = aw88399->aw_pa;
int value;
value = ucontrol->value.integer.value[0];
if (value < mc->min || value > mc->max)
return -EINVAL;
if (aw_dev->cali_desc.cali_re != value) {
aw_dev->cali_desc.cali_re = value;
return 1;
}
return 0;
}
static int aw88399_dev_init(struct aw88399 *aw88399, struct aw_container *aw_cfg)
{
struct aw_device *aw_dev = aw88399->aw_pa;
int ret;
ret = aw88395_dev_cfg_load(aw_dev, aw_cfg);
if (ret) {
dev_err(aw_dev->dev, "aw_dev acf parse failed");
return -EINVAL;
}
aw_dev->fade_in_time = AW88399_1000_US / 10;
aw_dev->fade_out_time = AW88399_1000_US >> 1;
aw_dev->prof_cur = aw_dev->prof_info.prof_desc[0].id;
aw_dev->prof_index = aw_dev->prof_info.prof_desc[0].id;
ret = aw88399_dev_fw_update(aw88399, AW88399_FORCE_UPDATE_ON, AW88399_DSP_FW_UPDATE_ON);
if (ret) {
dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret);
return ret;
}
aw88399_dev_mute(aw_dev, true);
/* close tx feedback */
aw_dev_i2s_tx_enable(aw_dev, false);
usleep_range(AW88399_1000_US, AW88399_1000_US + 100);
/* enable amppd */
aw_dev_amppd(aw_dev, true);
/* close dsp */
aw_dev_dsp_enable(aw_dev, false);
/* set power down */
aw_dev_pwd(aw_dev, true);
return 0;
}
static int aw88399_request_firmware_file(struct aw88399 *aw88399)
{
const struct firmware *cont = NULL;
int ret;
aw88399->aw_pa->fw_status = AW88399_DEV_FW_FAILED;
ret = request_firmware(&cont, AW88399_ACF_FILE, aw88399->aw_pa->dev);
if (ret) {
dev_err(aw88399->aw_pa->dev, "request [%s] failed!", AW88399_ACF_FILE);
return ret;
}
dev_dbg(aw88399->aw_pa->dev, "loaded %s - size: %zu\n",
AW88399_ACF_FILE, cont ? cont->size : 0);
aw88399->aw_cfg = devm_kzalloc(aw88399->aw_pa->dev,
struct_size(aw88399->aw_cfg, data, cont->size), GFP_KERNEL);
if (!aw88399->aw_cfg) {
release_firmware(cont);
return -ENOMEM;
}
aw88399->aw_cfg->len = (int)cont->size;
memcpy(aw88399->aw_cfg->data, cont->data, cont->size);
release_firmware(cont);
ret = aw88395_dev_load_acf_check(aw88399->aw_pa, aw88399->aw_cfg);
if (ret) {
dev_err(aw88399->aw_pa->dev, "load [%s] failed!", AW88399_ACF_FILE);
return ret;
}
mutex_lock(&aw88399->lock);
/* aw device init */
ret = aw88399_dev_init(aw88399, aw88399->aw_cfg);
if (ret)
dev_err(aw88399->aw_pa->dev, "dev init failed");
mutex_unlock(&aw88399->lock);
return ret;
}
static const struct snd_kcontrol_new aw88399_controls[] = {
SOC_SINGLE_EXT("PCM Playback Volume", AW88399_SYSCTRL2_REG,
6, AW88399_MUTE_VOL, 0, aw88399_volume_get,
aw88399_volume_set),
SOC_SINGLE_EXT("Fade Step", 0, 0, AW88399_MUTE_VOL, 0,
aw88399_get_fade_step, aw88399_set_fade_step),
SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN,
aw88399_get_fade_in_time, aw88399_set_fade_in_time),
SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN,
aw88399_get_fade_out_time, aw88399_set_fade_out_time),
SOC_SINGLE_EXT("Calib", 0, 0, AW88399_CALI_RE_MAX, 0,
aw88399_re_get, aw88399_re_set),
AW88399_PROFILE_EXT("AW88399 Profile Set", aw88399_profile_info,
aw88399_profile_get, aw88399_profile_set),
};
static int aw88399_playback_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
mutex_lock(&aw88399->lock);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
aw88399_start(aw88399, AW88399_ASYNC_START);
break;
case SND_SOC_DAPM_POST_PMD:
aw88399_stop(aw88399->aw_pa);
break;
default:
break;
}
mutex_unlock(&aw88399->lock);
return 0;
}
static const struct snd_soc_dapm_widget aw88399_dapm_widgets[] = {
/* playback */
SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0,
aw88399_playback_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_OUTPUT("DAC Output"),
/* capture */
SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_INPUT("ADC Input"),
};
static const struct snd_soc_dapm_route aw88399_audio_map[] = {
{"DAC Output", NULL, "AIF_RX"},
{"AIF_TX", NULL, "ADC Input"},
};
static int aw88399_codec_probe(struct snd_soc_component *component)
{
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
int ret;
INIT_DELAYED_WORK(&aw88399->start_work, aw88399_startup_work);
ret = aw88399_request_firmware_file(aw88399);
if (ret)
dev_err(aw88399->aw_pa->dev, "%s failed\n", __func__);
return ret;
}
static void aw88399_codec_remove(struct snd_soc_component *aw_codec)
{
struct aw88399 *aw88399 = snd_soc_component_get_drvdata(aw_codec);
cancel_delayed_work_sync(&aw88399->start_work);
}
static const struct snd_soc_component_driver soc_codec_dev_aw88399 = {
.probe = aw88399_codec_probe,
.remove = aw88399_codec_remove,
.dapm_widgets = aw88399_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(aw88399_dapm_widgets),
.dapm_routes = aw88399_audio_map,
.num_dapm_routes = ARRAY_SIZE(aw88399_audio_map),
.controls = aw88399_controls,
.num_controls = ARRAY_SIZE(aw88399_controls),
};
static void aw88399_hw_reset(struct aw88399 *aw88399)
{
if (aw88399->reset_gpio) {
gpiod_set_value_cansleep(aw88399->reset_gpio, 1);
usleep_range(AW88399_1000_US, AW88399_1000_US + 10);
gpiod_set_value_cansleep(aw88399->reset_gpio, 0);
usleep_range(AW88399_1000_US, AW88399_1000_US + 10);
gpiod_set_value_cansleep(aw88399->reset_gpio, 1);
usleep_range(AW88399_1000_US, AW88399_1000_US + 10);
}
}
static void aw88399_parse_channel_dt(struct aw_device *aw_dev)
{
struct device_node *np = aw_dev->dev->of_node;
u32 channel_value;
of_property_read_u32(np, "awinic,audio-channel", &channel_value);
aw_dev->channel = channel_value;
}
static int aw88399_init(struct aw88399 *aw88399, struct i2c_client *i2c, struct regmap *regmap)
{
struct aw_device *aw_dev;
unsigned int chip_id;
int ret;
ret = regmap_read(regmap, AW88399_ID_REG, &chip_id);
if (ret) {
dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret);
return ret;
}
if (chip_id != AW88399_CHIP_ID) {
dev_err(&i2c->dev, "unsupported device");
return -ENXIO;
}
dev_dbg(&i2c->dev, "chip id = %x\n", chip_id);
aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL);
if (!aw_dev)
return -ENOMEM;
aw88399->aw_pa = aw_dev;
aw_dev->i2c = i2c;
aw_dev->dev = &i2c->dev;
aw_dev->regmap = regmap;
mutex_init(&aw_dev->dsp_lock);
aw_dev->chip_id = chip_id;
aw_dev->acf = NULL;
aw_dev->prof_info.prof_desc = NULL;
aw_dev->prof_info.count = 0;
aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID;
aw_dev->channel = AW88399_DEV_DEFAULT_CH;
aw_dev->fw_status = AW88399_DEV_FW_FAILED;
aw_dev->fade_step = AW88399_VOLUME_STEP_DB;
aw_dev->volume_desc.ctl_volume = AW88399_VOL_DEFAULT_VALUE;
aw88399_parse_channel_dt(aw_dev);
return 0;
}
static int aw88399_i2c_probe(struct i2c_client *i2c)
{
struct aw88399 *aw88399;
int ret;
if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C))
return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed");
aw88399 = devm_kzalloc(&i2c->dev, sizeof(*aw88399), GFP_KERNEL);
if (!aw88399)
return -ENOMEM;
mutex_init(&aw88399->lock);
i2c_set_clientdata(i2c, aw88399);
aw88399->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(aw88399->reset_gpio))
return dev_err_probe(&i2c->dev, PTR_ERR(aw88399->reset_gpio),
"reset gpio not defined\n");
aw88399_hw_reset(aw88399);
aw88399->regmap = devm_regmap_init_i2c(i2c, &aw88399_remap_config);
if (IS_ERR(aw88399->regmap))
return dev_err_probe(&i2c->dev, PTR_ERR(aw88399->regmap),
"failed to init regmap\n");
/* aw pa init */
ret = aw88399_init(aw88399, i2c, aw88399->regmap);
if (ret)
return ret;
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_codec_dev_aw88399,
aw88399_dai, ARRAY_SIZE(aw88399_dai));
if (ret)
dev_err(&i2c->dev, "failed to register aw88399: %d", ret);
return ret;
}
static const struct i2c_device_id aw88399_i2c_id[] = {
{ AW88399_I2C_NAME, 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, aw88399_i2c_id);
static struct i2c_driver aw88399_i2c_driver = {
.driver = {
.name = AW88399_I2C_NAME,
},
.probe = aw88399_i2c_probe,
.id_table = aw88399_i2c_id,
};
module_i2c_driver(aw88399_i2c_driver);
MODULE_DESCRIPTION("ASoC AW88399 Smart PA Driver");
MODULE_LICENSE("GPL v2");
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