[PATCH V1 2/5] ASoC: codecs: aw88261 function for ALSA Audio Driver
From: wangweidong . a
Date: Mon Jul 17 2023 - 07:59:06 EST
From: Weidong Wang <wangweidong.a@xxxxxxxxxx>
The AW88261 is an I2S/TDM input, high efficiency
digital Smart K audio amplifier with an integrated 10.25V
smart boost convert
Signed-off-by: Weidong Wang <wangweidong.a@xxxxxxxxxx>
---
sound/soc/codecs/aw88261/aw88261_device.c | 959 ++++++++++++++++++++++
sound/soc/codecs/aw88261/aw88261_device.h | 114 +++
2 files changed, 1073 insertions(+)
create mode 100644 sound/soc/codecs/aw88261/aw88261_device.c
create mode 100644 sound/soc/codecs/aw88261/aw88261_device.h
diff --git a/sound/soc/codecs/aw88261/aw88261_device.c b/sound/soc/codecs/aw88261/aw88261_device.c
new file mode 100644
index 000000000000..855aba8a6364
--- /dev/null
+++ b/sound/soc/codecs/aw88261/aw88261_device.c
@@ -0,0 +1,959 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// aw88261_device.c -- AW88261 function for ALSA Audio Driver
+//
+// Copyright (c) 2023 awinic Technology CO., LTD
+//
+// Author: Jimmy Zhang <zhangjianming@xxxxxxxxxx>
+// Author: Weidong Wang <wangweidong.a@xxxxxxxxxx>
+//
+
+#include <linux/crc32.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include "aw88261_device.h"
+#include "aw88261_reg.h"
+
+static int aw_dev_read_chipid(struct aw_device *aw_dev, u16 *chip_id)
+{
+ int reg_val;
+ int ret;
+
+ ret = regmap_read(aw_dev->regmap, AW88261_CHIP_ID_REG, ®_val);
+ if (ret) {
+ dev_err(aw_dev->dev, "%s read chipid error. ret = %d", __func__, ret);
+ return ret;
+ }
+
+ dev_info(aw_dev->dev, "chip id = %x\n", reg_val);
+ *chip_id = reg_val;
+
+ return ret;
+}
+
+static unsigned int reg_val_to_db(unsigned int value)
+{
+ return (((value >> AW88261_VOL_6DB_START) *
+ AW88261_VOLUME_STEP_DB) + (value & AW88261_REG_TO_DB));
+}
+
+static unsigned short db_to_reg_val(unsigned short value)
+{
+ return (((value / AW88261_VOLUME_STEP_DB) << AW88261_VOL_6DB_START) +
+ (value % AW88261_VOLUME_STEP_DB));
+}
+
+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, volume;
+ int ret;
+
+ volume = min((value + vol_desc->init_volume), (unsigned int)AW88261_MUTE_VOL);
+ real_value = db_to_reg_val(volume);
+
+ /* cal real value */
+ ret = regmap_read(aw_dev->regmap, AW88261_SYSCTRL2_REG, ®_value);
+ if (ret)
+ return ret;
+
+ real_value = (real_value << AW88261_VOL_START_BIT) | (reg_value & AW88261_VOL_START_MASK);
+
+ dev_dbg(aw_dev->dev, "value 0x%x , real_value:0x%x", value, real_value);
+
+ /* write value */
+ ret = regmap_write(aw_dev->regmap, AW88261_SYSCTRL2_REG, real_value);
+
+ return ret;
+}
+
+void aw88261_dev_set_volume(struct aw_device *aw_dev, unsigned short set_vol)
+{
+ int ret;
+
+ ret = aw_dev_set_volume(aw_dev, set_vol);
+ if (ret)
+ dev_dbg(aw_dev->dev, "set volume failed");
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_set_volume);
+
+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 = AW88261_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, AW88261_MUTE_VOL);
+ return;
+ }
+
+ for (i = desc->ctl_volume; i <= AW88261_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 != AW88261_MUTE_VOL) {
+ aw_dev_set_volume(aw_dev, AW88261_MUTE_VOL);
+ usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10);
+ }
+}
+
+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, AW88261_I2SCFG1_REG,
+ ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_ENABLE_VALUE);
+ } else {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG,
+ ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_DISABLE_VALUE);
+ }
+ if (ret)
+ dev_dbg(aw_dev->dev, "%s failed", __func__);
+}
+
+static void aw_dev_pwd(struct aw_device *aw_dev, bool pwd)
+{
+ int ret;
+
+ if (pwd) {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_PWDN_MASK, AW88261_PWDN_POWER_DOWN_VALUE);
+ } else {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_PWDN_MASK, AW88261_PWDN_WORKING_VALUE);
+ }
+ if (ret)
+ dev_dbg(aw_dev->dev, "%s failed", __func__);
+}
+
+static void aw_dev_amppd(struct aw_device *aw_dev, bool amppd)
+{
+ int ret;
+
+ if (amppd) {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_AMPPD_MASK, AW88261_AMPPD_POWER_DOWN_VALUE);
+ } else {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_AMPPD_MASK, AW88261_AMPPD_WORKING_VALUE);
+ }
+ if (ret)
+ dev_dbg(aw_dev->dev, "%s failed", __func__);
+}
+
+void aw88261_dev_mute(struct aw_device *aw_dev, bool is_mute)
+{
+ int ret;
+
+ if (is_mute) {
+ aw_dev_fade_out(aw_dev);
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_HMUTE_MASK, AW88261_HMUTE_ENABLE_VALUE);
+ } else {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_HMUTE_MASK, AW88261_HMUTE_DISABLE_VALUE);
+ aw_dev_fade_in(aw_dev);
+ }
+ if (ret)
+ dev_dbg(aw_dev->dev, "%s failed", __func__);
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_mute);
+
+static void aw88261_dev_uls_hmute(struct aw_device *aw_dev, bool uls_hmute)
+{
+ int ret;
+
+ if (uls_hmute) {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_ULS_HMUTE_MASK,
+ AW88261_ULS_HMUTE_ENABLE_VALUE);
+ } else {
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG,
+ ~AW88261_ULS_HMUTE_MASK,
+ AW88261_ULS_HMUTE_DISABLE_VALUE);
+ }
+ if (ret)
+ dev_dbg(aw_dev->dev, "%s failed", __func__);
+}
+
+static int aw_dev_get_icalk(struct aw_device *aw_dev, int16_t *icalk)
+{
+ u16 reg_icalk, reg_icalkl;
+ unsigned int reg_val;
+ int ret;
+
+ ret = regmap_read(aw_dev->regmap, AW88261_EFRH4_REG, ®_val);
+ if (ret)
+ return ret;
+
+ reg_icalk = reg_val & (~AW88261_EF_ISN_GESLP_H_MASK);
+
+ ret = regmap_read(aw_dev->regmap, AW88261_EFRL4_REG, ®_val);
+ if (ret)
+ return ret;
+
+ reg_icalkl = reg_val & (~AW88261_EF_ISN_GESLP_L_MASK);
+
+ reg_icalk = (reg_icalk >> AW88261_ICALK_SHIFT) & (reg_icalkl >> AW88261_ICALKL_SHIFT);
+
+ if (reg_icalk & (~AW88261_EF_ISN_GESLP_SIGN_MASK))
+ reg_icalk = reg_icalk | ~AW88261_EF_ISN_GESLP_NEG;
+
+ *icalk = (int16_t)reg_icalk;
+
+ return ret;
+}
+
+static int aw_dev_get_vcalk(struct aw_device *aw_dev, int16_t *vcalk)
+{
+ u16 reg_vcalk, reg_vcalkl;
+ unsigned int reg_val;
+ int ret;
+
+ ret = regmap_read(aw_dev->regmap, AW88261_EFRH3_REG, ®_val);
+ if (ret)
+ return ret;
+
+ reg_vcalk = (u16)reg_val & (~AW88261_EF_VSN_GESLP_H_MASK);
+
+ ret = regmap_read(aw_dev->regmap, AW88261_EFRL3_REG, ®_val);
+ if (ret)
+ return ret;
+
+ reg_vcalkl = (u16)reg_val & (~AW88261_EF_VSN_GESLP_L_MASK);
+
+ reg_vcalk = (reg_vcalk >> AW88261_VCALK_SHIFT) & (reg_vcalkl >> AW88261_VCALKL_SHIFT);
+
+ if (reg_vcalk & AW88261_EF_VSN_GESLP_SIGN_MASK)
+ reg_vcalk = reg_vcalk | (~AW88261_EF_VSN_GESLP_NEG);
+ *vcalk = (int16_t)reg_vcalk;
+
+ return ret;
+}
+
+static int aw_dev_set_vcalb(struct aw_device *aw_dev)
+{
+ int16_t icalk_val, vcalk_val;
+ int icalk, vcalk, vcalb;
+ u32 reg_val;
+ int ret;
+
+ ret = aw_dev_get_icalk(aw_dev, &icalk_val);
+ if (ret) {
+ dev_err(aw_dev->dev, "%s:get icalk failed\n", __func__);
+ return ret;
+ }
+
+ ret = aw_dev_get_vcalk(aw_dev, &vcalk_val);
+ if (ret) {
+ dev_err(aw_dev->dev, "%s:get vcalk failed\n", __func__);
+ return ret;
+ }
+
+ icalk = AW88261_CABL_BASE_VALUE + AW88261_ICABLK_FACTOR * icalk_val;
+ vcalk = AW88261_CABL_BASE_VALUE + AW88261_VCABLK_FACTOR * vcalk_val;
+ if (!vcalk) {
+ dev_err(aw_dev->dev, "vcalk is 0");
+ return -EINVAL;
+ }
+
+ vcalb = AW88261_VCAL_FACTOR * icalk / vcalk;
+ reg_val = (unsigned int)vcalb;
+
+ dev_dbg(aw_dev->dev, "icalk=%d, vcalk=%d, vcalb=%d, reg_val=0x%04x",
+ icalk, vcalk, vcalb, reg_val);
+ ret = regmap_write(aw_dev->regmap, AW88261_VSNTM1_REG, reg_val);
+
+ return ret;
+}
+
+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, AW88261_SYSINT_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);
+}
+
+static int aw_dev_get_iis_status(struct aw_device *aw_dev)
+{
+ unsigned int reg_val;
+ int ret;
+
+ ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val);
+ if (ret)
+ return -EIO;
+ if ((reg_val & AW88261_BIT_PLL_CHECK) != AW88261_BIT_PLL_CHECK) {
+ dev_err(aw_dev->dev, "check pll lock fail,reg_val:0x%04x", reg_val);
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+static int aw_dev_check_mode1_pll(struct aw_device *aw_dev)
+{
+ int ret, i;
+
+ for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) {
+ ret = aw_dev_get_iis_status(aw_dev);
+ if (ret < 0) {
+ dev_err(aw_dev->dev, "mode1 iis signal check error");
+ usleep_range(AW88261_2000_US, AW88261_2000_US + 10);
+ } else {
+ return ret;
+ }
+ }
+
+ 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, AW88261_PLLCTRL1_REG, ®_val);
+ if (ret)
+ return ret;
+
+ reg_val &= (~AW88261_CCO_MUX_MASK);
+ if (reg_val == AW88261_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, AW88261_PLLCTRL1_REG,
+ ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_DIVIDED_VALUE);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < AW88261_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(AW88261_2000_US, AW88261_2000_US + 10);
+ } else {
+ break;
+ }
+ }
+
+ /* change mode1 */
+ ret = regmap_update_bits(aw_dev->regmap, AW88261_PLLCTRL1_REG,
+ ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_BYPASS_VALUE);
+ if (ret == 0) {
+ usleep_range(AW88261_2000_US, AW88261_2000_US + 10);
+ for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) {
+ ret = aw_dev_check_mode1_pll(aw_dev);
+ if (ret < 0) {
+ dev_err(aw_dev->dev, "mode2 switch to mode1, iis signal check error");
+ usleep_range(AW88261_2000_US, AW88261_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 ret;
+}
+
+static int aw_dev_check_sysst(struct aw_device *aw_dev)
+{
+ unsigned int check_val;
+ unsigned int reg_val;
+ int ret, i;
+
+ for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) {
+ ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val);
+ if (ret)
+ return ret;
+
+ check_val = reg_val & (~AW88261_BIT_SYSST_CHECK_MASK)
+ & AW88261_BIT_SYSST_CHECK;
+ if (check_val != AW88261_BIT_SYSST_CHECK) {
+ dev_err(aw_dev->dev, "check sysst fail, cnt=%d, reg_val=0x%04x, check:0x%x",
+ i, reg_val, AW88261_BIT_SYSST_CHECK);
+ usleep_range(AW88261_2000_US, AW88261_2000_US + 10);
+ } else {
+ return 0;
+ }
+ }
+
+ return -EPERM;
+}
+
+static int aw_dev_update_reg_container(struct aw_device *aw_dev,
+ unsigned char *data, unsigned int len)
+{
+ struct aw_volume_desc *vol_desc = &aw_dev->volume_desc;
+ unsigned int read_val, efcheck_val;
+ int16_t *reg_data;
+ int data_len;
+ u16 read_vol;
+ u16 reg_val;
+ u8 reg_addr;
+ int i, ret;
+
+ 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 == AW88261_SYSCTRL_REG) {
+ aw_dev->amppd_st = reg_val & (~AW88261_AMPPD_MASK);
+ ret = regmap_read(aw_dev->regmap, reg_addr, &read_val);
+ if (ret)
+ break;
+
+ read_val &= (~AW88261_AMPPD_MASK) | (~AW88261_PWDN_MASK) |
+ (~AW88261_HMUTE_MASK);
+ reg_val &= (AW88261_AMPPD_MASK | AW88261_PWDN_MASK | AW88261_HMUTE_MASK);
+ reg_val |= read_val;
+
+ /* enable uls hmute */
+ reg_val &= AW88261_ULS_HMUTE_MASK;
+ reg_val |= AW88261_ULS_HMUTE_ENABLE_VALUE;
+ }
+
+ if (reg_addr == AW88261_DBGCTRL_REG) {
+ efcheck_val = reg_val & (~AW88261_EF_DBMD_MASK);
+ if (efcheck_val == AW88261_OR_VALUE)
+ aw_dev->efuse_check = AW_EF_OR_CHECK;
+ else
+ aw_dev->efuse_check = AW_EF_AND_CHECK;
+
+ }
+
+ /* i2stxen */
+ if (reg_addr == AW88261_I2SCTRL3_REG) {
+ /* close tx */
+ reg_val &= AW88261_I2STXEN_MASK;
+ reg_val |= AW88261_I2STXEN_DISABLE_VALUE;
+ }
+
+ if (reg_addr == AW88261_SYSCTRL2_REG) {
+ read_vol = (reg_val & (~AW88261_VOL_MASK)) >>
+ AW88261_VOL_START_BIT;
+ aw_dev->volume_desc.init_volume =
+ reg_val_to_db(read_vol);
+ }
+
+ if (reg_addr == AW88261_VSNTM1_REG)
+ continue;
+
+ dev_dbg(aw_dev->dev, "reg=0x%04x, val = 0x%04x",
+ (uint16_t)reg_addr, (uint16_t)reg_val);
+
+ ret = regmap_write(aw_dev->regmap, reg_addr, reg_val);
+ if (ret)
+ break;
+
+ }
+
+ ret = aw_dev_set_vcalb(aw_dev);
+ if (ret)
+ return ret;
+
+ if (aw_dev->prof_cur != aw_dev->prof_index)
+ vol_desc->ctl_volume = 0;
+
+ /* keep min volume */
+ aw_dev_set_volume(aw_dev, vol_desc->mute_volume);
+
+ return ret;
+}
+
+static int aw_dev_reg_update(struct aw_device *aw_dev,
+ unsigned char *data, unsigned int len)
+{
+ int ret;
+
+ if (!len || !data) {
+ dev_err(aw_dev->dev, "reg data is null or len is 0");
+ return -EINVAL;
+ }
+
+ ret = aw_dev_update_reg_container(aw_dev, data, len);
+ if (ret)
+ dev_err(aw_dev->dev, "reg update failed");
+
+ return ret;
+}
+
+static void aw88261_dev_soft_reset(struct aw_device *aw_dev)
+{
+ int ret;
+
+ ret = regmap_write(aw_dev->regmap, AW88261_ID_REG, AW88261_SOFT_RESET_VALUE);
+ if (ret)
+ dev_dbg(aw_dev->dev, "%s failed\n", __func__);
+}
+
+static int aw_frcset_check(struct aw_device *aw_dev)
+{
+ unsigned int reg_val, ret;
+ u16 temh, teml, tem;
+
+ ret = regmap_read(aw_dev->regmap, AW88261_EFRH3_REG, ®_val);
+ if (ret)
+ return ret;
+ temh = ((u16)reg_val & (~AW88261_TEMH_MASK));
+
+ ret = regmap_read(aw_dev->regmap, AW88261_EFRL3_REG, ®_val);
+ if (ret)
+ return ret;
+ teml = ((u16)reg_val & (~AW88261_TEML_MASK));
+
+ if (aw_dev->efuse_check == AW_EF_OR_CHECK)
+ tem = (temh | teml);
+ else
+ tem = (temh & teml);
+
+ if (tem == AW88261_DEFAULT_CFG)
+ aw_dev->frcset_en = AW_FRCSET_ENABLE;
+ else
+ aw_dev->frcset_en = AW_FRCSET_DISABLE;
+
+ dev_dbg(aw_dev->dev, "tem is 0x%04x, frcset_en is %d",
+ tem, aw_dev->frcset_en);
+
+ return ret;
+}
+
+static void aw88261_reg_force_set(struct aw_device *aw_dev)
+{
+
+ if (aw_dev->frcset_en == AW_FRCSET_ENABLE) {
+ /* set FORCE_PWM */
+ regmap_update_bits(aw_dev->regmap, AW88261_BSTCTRL3_REG,
+ AW88261_FORCE_PWM_MASK, AW88261_FORCE_PWM_FORCEMINUS_PWM_VALUE);
+ /* set BOOST_OS_WIDTH */
+ regmap_update_bits(aw_dev->regmap, AW88261_BSTCTRL5_REG,
+ AW88261_BST_OS_WIDTH_MASK, AW88261_BST_OS_WIDTH_50NS_VALUE);
+ /* set BURST_LOOPR */
+ regmap_update_bits(aw_dev->regmap, AW88261_BSTCTRL6_REG,
+ AW88261_BST_LOOPR_MASK, AW88261_BST_LOOPR_340K_VALUE);
+ /* set RSQN_DLY */
+ regmap_update_bits(aw_dev->regmap, AW88261_BSTCTRL7_REG,
+ AW88261_RSQN_DLY_MASK, AW88261_RSQN_DLY_35NS_VALUE);
+ /* set BURST_SSMODE */
+ regmap_update_bits(aw_dev->regmap, AW88261_BSTCTRL8_REG,
+ AW88261_BURST_SSMODE_MASK, AW88261_BURST_SSMODE_FAST_VALUE);
+ /* set BST_BURST */
+ regmap_update_bits(aw_dev->regmap, AW88261_BSTCTRL9_REG,
+ AW88261_BST_BURST_MASK, AW88261_BST_BURST_30MA_VALUE);
+ } else {
+ dev_dbg(aw_dev->dev, "needn't set reg value");
+ }
+}
+
+int aw88261_dev_fw_update(struct aw_device *aw_dev)
+{
+ struct aw_prof_desc *prof_index_desc;
+ struct aw_sec_data_desc *sec_desc;
+ char *prof_name;
+ int ret;
+
+ prof_name = aw88261_dev_get_prof_name(aw_dev, aw_dev->prof_index);
+ if (!prof_name) {
+ dev_err(aw_dev->dev, "get prof name failed");
+ return -EINVAL;
+ }
+
+ dev_dbg(aw_dev->dev, "start update %s", prof_name);
+
+ ret = aw88261_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(aw_dev, sec_desc[AW88261_DATA_TYPE_REG].data,
+ sec_desc[AW88261_DATA_TYPE_REG].len);
+ if (ret) {
+ dev_err(aw_dev->dev, "update reg failed");
+ return ret;
+ }
+
+ aw_dev->prof_cur = aw_dev->prof_index;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_fw_update);
+
+int aw88261_dev_reg_update(struct aw_device *aw_dev, bool force)
+{
+ int ret;
+
+ if (force) {
+ aw88261_dev_soft_reset(aw_dev);
+ ret = aw88261_dev_fw_update(aw_dev);
+ if (ret < 0)
+ return ret;
+ } else {
+ if (aw_dev->prof_cur != aw_dev->prof_index) {
+ ret = aw88261_dev_fw_update(aw_dev);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ aw_dev->prof_cur = aw_dev->prof_index;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_reg_update);
+
+int aw88261_dev_start(struct aw_device *aw_dev)
+{
+ int ret;
+
+ if (aw_dev->status == AW88261_DEV_PW_ON) {
+ dev_info(aw_dev->dev, "already power on");
+ return 0;
+ }
+
+ /* power on */
+ aw_dev_pwd(aw_dev, false);
+ usleep_range(AW88261_2000_US, AW88261_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(AW88261_1000_US, AW88261_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;
+ }
+
+ /* enable tx feedback */
+ aw_dev_i2s_tx_enable(aw_dev, true);
+
+ if (aw_dev->amppd_st)
+ aw_dev_amppd(aw_dev, true);
+
+ aw88261_reg_force_set(aw_dev);
+
+ /* close uls mute */
+ aw88261_dev_uls_hmute(aw_dev, false);
+
+ /* close mute */
+ if (!aw_dev->mute_st)
+ aw88261_dev_mute(aw_dev, false);
+
+ /* clear inturrupt */
+ aw_dev_clear_int_status(aw_dev);
+ aw_dev->status = AW88261_DEV_PW_ON;
+
+ return 0;
+
+sysst_check_fail:
+ aw_dev_i2s_tx_enable(aw_dev, false);
+ 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 = AW88261_DEV_PW_OFF;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_start);
+
+int aw88261_dev_stop(struct aw_device *aw_dev)
+{
+ if (aw_dev->status == AW88261_DEV_PW_OFF) {
+ dev_info(aw_dev->dev, "already power off");
+ return 0;
+ }
+
+ aw_dev->status = AW88261_DEV_PW_OFF;
+
+ /* clear inturrupt */
+ aw_dev_clear_int_status(aw_dev);
+
+ aw88261_dev_uls_hmute(aw_dev, true);
+ /* set mute */
+ aw88261_dev_mute(aw_dev, true);
+
+ /* close tx feedback */
+ aw_dev_i2s_tx_enable(aw_dev, false);
+ usleep_range(AW88261_1000_US, AW88261_1000_US + 100);
+
+ /* enable amppd */
+ aw_dev_amppd(aw_dev, true);
+
+ /* set power down */
+ aw_dev_pwd(aw_dev, true);
+
+ dev_dbg(aw_dev->dev, "pa stop success\n");
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_stop);
+
+int aw88261_dev_init(struct aw_device *aw_dev, struct aw_container *aw_cfg)
+{
+ int ret;
+
+ if ((!aw_dev) || (!aw_cfg)) {
+ pr_err("aw_dev is NULL or aw_cfg is NULL");
+ return -ENOMEM;
+ }
+ ret = aw88261_dev_cfg_load(aw_dev, aw_cfg);
+ if (ret) {
+ dev_err(aw_dev->dev, "aw_dev acf parse failed");
+ return -EINVAL;
+ }
+
+ aw88261_dev_soft_reset(aw_dev);
+ aw_dev->fade_in_time = AW88261_1000_US / 10;
+ aw_dev->fade_out_time = AW88261_1000_US >> 1;
+ aw_dev->prof_cur = AW_INIT_PROFILE;
+ aw_dev->prof_index = AW_INIT_PROFILE;
+
+ ret = aw88261_dev_fw_update(aw_dev);
+ if (ret) {
+ dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret);
+ return ret;
+ }
+
+ ret = aw_frcset_check(aw_dev);
+ if (ret) {
+ dev_err(aw_dev->dev, "aw_frcset_check ret = %d\n", ret);
+ return ret;
+ }
+
+ aw_dev_clear_int_status(aw_dev);
+
+ aw88261_dev_uls_hmute(aw_dev, true);
+
+ aw88261_dev_mute(aw_dev, true);
+
+ aw_dev_i2s_tx_enable(aw_dev, false);
+
+ usleep_range(AW88261_1000_US, AW88261_1000_US + 100);
+
+ aw_dev_amppd(aw_dev, true);
+
+ aw_dev_pwd(aw_dev, true);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_init);
+
+static void aw_parse_channel_dt(struct aw_device *aw_dev)
+{
+ struct device_node *np = aw_dev->dev->of_node;
+ u32 channel_value;
+ u32 sync_enable;
+ int ret;
+
+ ret = of_property_read_u32(np, "sound-channel", &channel_value);
+ if (ret)
+ channel_value = AW88261_DEV_DEFAULT_CH;
+
+ ret = of_property_read_u32(np, "sync-flag", &sync_enable);
+ if (ret)
+ sync_enable = false;
+
+ dev_dbg(aw_dev->dev, "sync flag is %d", sync_enable);
+ dev_dbg(aw_dev->dev, "read sound-channel value is: %d", channel_value);
+
+ aw_dev->channel = channel_value;
+ aw_dev->phase_sync = sync_enable;
+}
+
+static int aw_dev_init(struct aw_device *aw_dev)
+{
+ aw_dev->chip_id = AW88261_CHIP_ID;
+ /* call aw device init func */
+ aw_dev->acf = NULL;
+ aw_dev->prof_info.prof_desc = NULL;
+ aw_dev->prof_info.count = 0;
+ aw_dev->prof_info.prof_type = AW88261_DEV_NONE_TYPE_ID;
+ aw_dev->channel = 0;
+ aw_dev->fw_status = AW88261_DEV_FW_FAILED;
+
+ aw_dev->fade_step = AW88261_VOLUME_STEP_DB;
+ aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE;
+ aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL;
+ aw_parse_channel_dt(aw_dev);
+
+ return 0;
+}
+
+int aw88261_dev_get_profile_count(struct aw_device *aw_dev)
+{
+ return aw_dev->prof_info.count;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_get_profile_count);
+
+int aw88261_dev_get_profile_index(struct aw_device *aw_dev)
+{
+ return aw_dev->prof_index;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_get_profile_index);
+
+int aw88261_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;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_set_profile_index);
+
+char *aw88261_dev_get_prof_name(struct aw_device *aw_dev, int index)
+{
+ 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 NULL;
+ }
+
+ prof_desc = &aw_dev->prof_info.prof_desc[index];
+
+ return prof_info->prof_name_list[prof_desc->id];
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_get_prof_name);
+
+int aw88261_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;
+}
+EXPORT_SYMBOL_GPL(aw88261_dev_get_prof_data);
+
+int aw88261_init(struct aw_device **aw_dev, struct i2c_client *i2c, struct regmap *regmap)
+{
+ u16 chip_id;
+ int ret;
+
+ if (*aw_dev) {
+ dev_info(&i2c->dev, "it should be initialized here.\n");
+ } else {
+ *aw_dev = devm_kzalloc(&i2c->dev, sizeof(struct aw_device), GFP_KERNEL);
+ if (!(*aw_dev))
+ return -ENOMEM;
+ }
+
+ (*aw_dev)->i2c = i2c;
+ (*aw_dev)->dev = &i2c->dev;
+ (*aw_dev)->regmap = regmap;
+
+ /* read chip id */
+ ret = aw_dev_read_chipid((*aw_dev), &chip_id);
+ if (ret) {
+ dev_err(&i2c->dev, "dev_read_chipid failed ret=%d", ret);
+ return ret;
+ }
+
+ switch (chip_id) {
+ case AW88261_CHIP_ID:
+ ret = aw_dev_init((*aw_dev));
+ break;
+ default:
+ ret = -EINVAL;
+ dev_err((*aw_dev)->dev, "unsupported device");
+ break;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(aw88261_init);
+
+MODULE_DESCRIPTION("AW88261 device lib");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/aw88261/aw88261_device.h b/sound/soc/codecs/aw88261/aw88261_device.h
new file mode 100644
index 000000000000..56baccd1764f
--- /dev/null
+++ b/sound/soc/codecs/aw88261/aw88261_device.h
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// aw88261_device.h -- AW88261 function for ALSA Audio Driver
+//
+// Copyright (c) 2023 awinic Technology CO., LTD
+//
+// Author: Jimmy Zhang <zhangjianming@xxxxxxxxxx>
+// Author: Weidong Wang <wangweidong.a@xxxxxxxxxx>
+//
+
+#ifndef __AW88261_DEVICE_FILE_H__
+#define __AW88261_DEVICE_FILE_H__
+
+#include "aw88261.h"
+#include "aw88261_data_type.h"
+#include "aw88261_lib.h"
+
+#define AW88261_DEV_DEFAULT_CH (0)
+#define AW88261_ACF_FILE "aw88261_acf.bin"
+#define AW88261_DEV_SYSST_CHECK_MAX (10)
+#define AW88261_SOFT_RESET_VALUE (0x55aa)
+#define AW88261_REG_TO_DB (0x3f)
+#define AW88261_VOL_START_MASK (0xfc00)
+
+enum {
+ AW88261_1000_US = 1000,
+ AW88261_2000_US = 2000,
+ AW88261_3000_US = 3000,
+ AW88261_4000_US = 4000,
+ AW88261_5000_US = 5000,
+ AW88261_10000_US = 10000,
+ AW88261_100000_US = 100000,
+};
+
+enum {
+ AW88261_DEV_TYPE_OK = 0,
+ AW88261_DEV_TYPE_NONE = 1,
+};
+
+
+enum AW88261_DEV_STATUS {
+ AW88261_DEV_PW_OFF = 0,
+ AW88261_DEV_PW_ON,
+};
+
+enum AW88261_DEV_FW_STATUS {
+ AW88261_DEV_FW_FAILED = 0,
+ AW88261_DEV_FW_OK,
+};
+
+enum {
+ AW_EF_AND_CHECK = 0,
+ AW_EF_OR_CHECK,
+};
+
+enum {
+ AW_FRCSET_DISABLE = 0,
+ AW_FRCSET_ENABLE,
+};
+
+struct aw_volume_desc {
+ unsigned int init_volume;
+ unsigned int mute_volume;
+ unsigned int ctl_volume;
+ unsigned int max_volume;
+};
+
+struct aw_container {
+ int len;
+ u8 data[];
+};
+
+struct aw_device {
+ u8 fw_status;
+ unsigned char prof_cur;
+ unsigned char prof_index;
+ unsigned char phase_sync;
+ u16 chip_id;
+
+ char *acf;
+ int status;
+ int efuse_check;
+ int frcset_en;
+ unsigned int mute_st;
+ unsigned int amppd_st;
+ unsigned int channel;
+ unsigned int fade_step;
+ unsigned int fade_in_time;
+ unsigned int fade_out_time;
+
+ struct i2c_client *i2c;
+ struct device *dev;
+ struct regmap *regmap;
+ struct aw_prof_info prof_info;
+ struct aw_volume_desc volume_desc;
+};
+
+int aw88261_init(struct aw_device **aw_dev, struct i2c_client *i2c, struct regmap *regmap);
+int aw88261_dev_init(struct aw_device *aw_dev, struct aw_container *aw_cfg);
+int aw88261_dev_start(struct aw_device *aw_dev);
+int aw88261_dev_stop(struct aw_device *aw_dev);
+int aw88261_dev_fw_update(struct aw_device *aw_dev);
+int aw88261_dev_reg_update(struct aw_device *aw_dev, bool force);
+void aw88261_dev_set_volume(struct aw_device *aw_dev, unsigned short set_vol);
+int aw88261_dev_get_prof_data(struct aw_device *aw_dev, int index,
+ struct aw_prof_desc **prof_desc);
+char *aw88261_dev_get_prof_name(struct aw_device *aw_dev, int index);
+int aw88261_dev_set_profile_index(struct aw_device *aw_dev, int index);
+int aw88261_dev_get_profile_index(struct aw_device *aw_dev);
+int aw88261_dev_get_profile_count(struct aw_device *aw_dev);
+int aw88261_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg);
+int aw88261_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg);
+void aw88261_dev_mute(struct aw_device *aw_dev, bool is_mute);
+#endif
--
2.41.0