[PATCH v3 5/6] ASoC: codecs: lpass-va-macro: Add support to VA Macro

Qualcomm LPASS (Low Power Audio SubSystem) has internal codec VA macro block which is used for connecting with DMICs.

This patch adds support to the codec part of the VA Macro block

Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/lpass-va-macro.c | 883 ++++++++++++++++++++++++++++++ 3 files changed, 889 insertions(+) create mode 100644 sound/soc/codecs/lpass-va-macro.c

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index d91b51470a73..98d8624fec26 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -1788,4 +1788,8 @@ config SND_SOC_LPASS_WSA_MACRO depends on COMMON_CLK tristate "Qualcomm WSA Macro in LPASS(Low Power Audio SubSystem)"

+config SND_SOC_LPASS_VA_MACRO + depends on COMMON_CLK + tristate "Qualcomm VA Macro in LPASS(Low Power Audio SubSystem)" + endmenu diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 9f24b3daf5df..5d68da2b1182 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -104,6 +104,7 @@ snd-soc-lm4857-objs := lm4857.o snd-soc-lm49453-objs := lm49453.o snd-soc-lochnagar-sc-objs := lochnagar-sc.o snd-soc-lpass-wsa-macro-objs := lpass-wsa-macro.o +snd-soc-lpass-va-macro-objs := lpass-va-macro.o snd-soc-madera-objs := madera.o snd-soc-max9759-objs := max9759.o snd-soc-max9768-objs := max9768.o @@ -615,3 +616,4 @@ obj-$(CONFIG_SND_SOC_MAX98504) += snd-soc-max98504.o obj-$(CONFIG_SND_SOC_SIMPLE_AMPLIFIER) += snd-soc-simple-amplifier.o obj-$(CONFIG_SND_SOC_TPA6130A2) += snd-soc-tpa6130a2.o obj-$(CONFIG_SND_SOC_LPASS_WSA_MACRO) += snd-soc-lpass-wsa-macro.o +obj-$(CONFIG_SND_SOC_LPASS_VA_MACRO) += snd-soc-lpass-va-macro.o diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c new file mode 100644 index 000000000000..e7590e70f2c0 --- /dev/null +++ b/sound/soc/codecs/lpass-va-macro.c @@ -0,0 +1,883 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of_clk.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/tlv.h> + +/* VA macro registers */ +#define CDC_VA_CLK_RST_CTRL_MCLK_CONTROL (0x0000) +#define CDC_VA_MCLK_CONTROL_EN BIT(0) +#define CDC_VA_CLK_RST_CTRL_FS_CNT_CONTROL (0x0004) +#define CDC_VA_FS_CONTROL_EN BIT(0) +#define CDC_VA_CLK_RST_CTRL_SWR_CONTROL (0x0008) +#define CDC_VA_TOP_CSR_TOP_CFG0 (0x0080) +#define CDC_VA_FS_BROADCAST_EN BIT(1) +#define CDC_VA_TOP_CSR_DMIC0_CTL (0x0084) +#define CDC_VA_TOP_CSR_DMIC1_CTL (0x0088) +#define CDC_VA_TOP_CSR_DMIC2_CTL (0x008C) +#define CDC_VA_TOP_CSR_DMIC3_CTL (0x0090) +#define CDC_VA_DMIC_CLK_SEL_MASK GENMASK(3, 1) +#define CDC_VA_DMIC_CLK_SEL_SHFT 1 +#define CDC_VA_DMIC_CLK_SEL_DIV0 0x0 +#define CDC_VA_DMIC_CLK_SEL_DIV1 0x2 +#define CDC_VA_DMIC_CLK_SEL_DIV2 0x4 +#define CDC_VA_DMIC_CLK_SEL_DIV3 0x6 +#define CDC_VA_DMIC_CLK_SEL_DIV4 0x8 +#define CDC_VA_DMIC_CLK_SEL_DIV5 0xa +#define CDC_VA_TOP_CSR_DMIC_CFG (0x0094) +#define CDC_VA_RESET_ALL_DMICS_MASK BIT(7) +#define CDC_VA_RESET_ALL_DMICS_RESET BIT(7) +#define CDC_VA_RESET_ALL_DMICS_DISABLE 0 +#define CDC_VA_DMIC3_FREQ_CHANGE_MASK BIT(3) +#define CDC_VA_DMIC3_FREQ_CHANGE_EN BIT(3) +#define CDC_VA_DMIC2_FREQ_CHANGE_MASK BIT(2) +#define CDC_VA_DMIC2_FREQ_CHANGE_EN BIT(2) +#define CDC_VA_DMIC1_FREQ_CHANGE_MASK BIT(1) +#define CDC_VA_DMIC1_FREQ_CHANGE_EN BIT(1) +#define CDC_VA_DMIC0_FREQ_CHANGE_MASK BIT(0) +#define CDC_VA_DMIC0_FREQ_CHANGE_EN BIT(0) +#define CDC_VA_DMIC_FREQ_CHANGE_DISABLE 0 +#define CDC_VA_TOP_CSR_DEBUG_BUS (0x009C) +#define CDC_VA_TOP_CSR_DEBUG_EN (0x00A0) +#define CDC_VA_TOP_CSR_TX_I2S_CTL (0x00A4) +#define CDC_VA_TOP_CSR_I2S_CLK (0x00A8) +#define CDC_VA_TOP_CSR_I2S_RESET (0x00AC) +#define CDC_VA_TOP_CSR_CORE_ID_0 (0x00C0) +#define CDC_VA_TOP_CSR_CORE_ID_1 (0x00C4) +#define CDC_VA_TOP_CSR_CORE_ID_2 (0x00C8) +#define CDC_VA_TOP_CSR_CORE_ID_3 (0x00CC) +#define CDC_VA_TOP_CSR_SWR_MIC_CTL0 (0x00D0) +#define CDC_VA_TOP_CSR_SWR_MIC_CTL1 (0x00D4) +#define CDC_VA_TOP_CSR_SWR_MIC_CTL2 (0x00D8) +#define CDC_VA_TOP_CSR_SWR_CTRL (0x00DC) +#define CDC_VA_INP_MUX_ADC_MUX0_CFG0 (0x0100) +#define CDC_VA_INP_MUX_ADC_MUX0_CFG1 (0x0104) +#define CDC_VA_INP_MUX_ADC_MUX1_CFG0 (0x0108) +#define CDC_VA_INP_MUX_ADC_MUX1_CFG1 (0x010C) +#define CDC_VA_INP_MUX_ADC_MUX2_CFG0 (0x0110) +#define CDC_VA_INP_MUX_ADC_MUX2_CFG1 (0x0114) +#define CDC_VA_INP_MUX_ADC_MUX3_CFG0 (0x0118) +#define CDC_VA_INP_MUX_ADC_MUX3_CFG1 (0x011C) +#define CDC_VA_TX0_TX_PATH_CTL (0x0400) +#define CDC_VA_TX_PATH_CLK_EN_MASK BIT(5) +#define CDC_VA_TX_PATH_CLK_EN BIT(5) +#define CDC_VA_TX_PATH_CLK_DISABLE 0 +#define CDC_VA_TX_PATH_PGA_MUTE_EN_MASK BIT(4) +#define CDC_VA_TX_PATH_PGA_MUTE_EN BIT(4) +#define CDC_VA_TX_PATH_PGA_MUTE_DISABLE 0 +#define CDC_VA_TX0_TX_PATH_CFG0 (0x0404) +#define CDC_VA_ADC_MODE_MASK GENMASK(2, 1) +#define CDC_VA_ADC_MODE_SHIFT 1 +#define TX_HPF_CUT_OFF_FREQ_MASK GENMASK(6, 5) +#define CF_MIN_3DB_4HZ 0x0 +#define CF_MIN_3DB_75HZ 0x1 +#define CF_MIN_3DB_150HZ 0x2 +#define CDC_VA_TX0_TX_PATH_CFG1 (0x0408) +#define CDC_VA_TX0_TX_VOL_CTL (0x040C) +#define CDC_VA_TX0_TX_PATH_SEC0 (0x0410) +#define CDC_VA_TX0_TX_PATH_SEC1 (0x0414) +#define CDC_VA_TX0_TX_PATH_SEC2 (0x0418) +#define CDC_VA_TX_HPF_CUTOFF_FREQ_CHANGE_MASK BIT(1) +#define CDC_VA_TX_HPF_CUTOFF_FREQ_CHANGE_REQ BIT(1) +#define CDC_VA_TX_HPF_ZERO_GATE_MASK BIT(0) +#define CDC_VA_TX_HPF_ZERO_NO_GATE BIT(0) +#define CDC_VA_TX_HPF_ZERO_GATE 0 +#define CDC_VA_TX0_TX_PATH_SEC3 (0x041C) +#define CDC_VA_TX0_TX_PATH_SEC4 (0x0420) +#define CDC_VA_TX0_TX_PATH_SEC5 (0x0424) +#define CDC_VA_TX0_TX_PATH_SEC6 (0x0428) +#define CDC_VA_TX0_TX_PATH_SEC7 (0x042C) +#define CDC_VA_TX1_TX_PATH_CTL (0x0480) +#define CDC_VA_TX1_TX_PATH_CFG0 (0x0484) +#define CDC_VA_TX1_TX_PATH_CFG1 (0x0488) +#define CDC_VA_TX1_TX_VOL_CTL (0x048C) +#define CDC_VA_TX1_TX_PATH_SEC0 (0x0490) +#define CDC_VA_TX1_TX_PATH_SEC1 (0x0494) +#define CDC_VA_TX1_TX_PATH_SEC2 (0x0498) +#define CDC_VA_TX1_TX_PATH_SEC3 (0x049C) +#define CDC_VA_TX1_TX_PATH_SEC4 (0x04A0) +#define CDC_VA_TX1_TX_PATH_SEC5 (0x04A4) +#define CDC_VA_TX1_TX_PATH_SEC6 (0x04A8) +#define CDC_VA_TX2_TX_PATH_CTL (0x0500) +#define CDC_VA_TX2_TX_PATH_CFG0 (0x0504) +#define CDC_VA_TX2_TX_PATH_CFG1 (0x0508) +#define CDC_VA_TX2_TX_VOL_CTL (0x050C) +#define CDC_VA_TX2_TX_PATH_SEC0 (0x0510) +#define CDC_VA_TX2_TX_PATH_SEC1 (0x0514) +#define CDC_VA_TX2_TX_PATH_SEC2 (0x0518) +#define CDC_VA_TX2_TX_PATH_SEC3 (0x051C) +#define CDC_VA_TX2_TX_PATH_SEC4 (0x0520) +#define CDC_VA_TX2_TX_PATH_SEC5 (0x0524) +#define CDC_VA_TX2_TX_PATH_SEC6 (0x0528) +#define CDC_VA_TX3_TX_PATH_CTL (0x0580) +#define CDC_VA_TX3_TX_PATH_CFG0 (0x0584) +#define CDC_VA_TX_PATH_ADC_DMIC_SEL_MASK BIT(7) +#define CDC_VA_TX_PATH_ADC_DMIC_SEL_DMIC BIT(7) +#define CDC_VA_TX_PATH_ADC_DMIC_SEL_ADC 0 +#define CDC_VA_TX3_TX_PATH_CFG1 (0x0588) +#define CDC_VA_TX3_TX_VOL_CTL (0x058C) +#define CDC_VA_TX3_TX_PATH_SEC0 (0x0590) +#define CDC_VA_TX3_TX_PATH_SEC1 (0x0594) +#define CDC_VA_TX3_TX_PATH_SEC2 (0x0598) +#define CDC_VA_TX3_TX_PATH_SEC3 (0x059C) +#define CDC_VA_TX3_TX_PATH_SEC4 (0x05A0) +#define CDC_VA_TX3_TX_PATH_SEC5 (0x05A4) +#define CDC_VA_TX3_TX_PATH_SEC6 (0x05A8) + +#define VA_MAX_OFFSET (0x07A8) + +#define VA_MACRO_NUM_DECIMATORS 4 +#define VA_MACRO_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\ + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) +#define VA_MACRO_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S24_3LE) + +#define VA_MACRO_MCLK_FREQ 9600000 +#define VA_MACRO_TX_PATH_OFFSET 0x80 +#define VA_MACRO_SWR_MIC_MUX_SEL_MASK 0xF +#define VA_MACRO_ADC_MUX_CFG_OFFSET 0x8 + +static const DECLARE_TLV_DB_SCALE(digital_gain, -8400, 100, -8400); + +enum { + VA_MACRO_AIF_INVALID = 0, + VA_MACRO_AIF1_CAP, + VA_MACRO_AIF2_CAP, + VA_MACRO_AIF3_CAP, + VA_MACRO_MAX_DAIS, +}; + +enum { + VA_MACRO_DEC0, + VA_MACRO_DEC1, + VA_MACRO_DEC2, + VA_MACRO_DEC3, + VA_MACRO_DEC4, + VA_MACRO_DEC5, + VA_MACRO_DEC6, + VA_MACRO_DEC7, + VA_MACRO_DEC_MAX, +}; + +enum { + VA_MACRO_CLK_DIV_2, + VA_MACRO_CLK_DIV_3, + VA_MACRO_CLK_DIV_4, + VA_MACRO_CLK_DIV_6, + VA_MACRO_CLK_DIV_8, + VA_MACRO_CLK_DIV_16, +}; + +#define VA_NUM_CLKS_MAX 3 + +struct va_macro { + struct device *dev; + unsigned long active_ch_mask[VA_MACRO_MAX_DAIS]; + unsigned long active_ch_cnt[VA_MACRO_MAX_DAIS]; + unsigned long active_decimator[VA_MACRO_MAX_DAIS]; + u16 dmic_clk_div; + + int dec_mode[VA_MACRO_NUM_DECIMATORS]; + struct regmap *regmap; + struct clk_bulk_data clks[VA_NUM_CLKS_MAX]; + struct clk_hw hw; + + s32 dmic_0_1_clk_cnt; + s32 dmic_2_3_clk_cnt; + s32 dmic_4_5_clk_cnt; + s32 dmic_6_7_clk_cnt; + u8 dmic_0_1_clk_div; + u8 dmic_2_3_clk_div; + u8 dmic_4_5_clk_div; + u8 dmic_6_7_clk_div; +}; + +#define to_va_macro(_hw) container_of(_hw, struct va_macro, hw) + +static bool va_is_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CDC_VA_TOP_CSR_CORE_ID_0: + case CDC_VA_TOP_CSR_CORE_ID_1: + case CDC_VA_TOP_CSR_CORE_ID_2: + case CDC_VA_TOP_CSR_CORE_ID_3: + case CDC_VA_TOP_CSR_DMIC0_CTL: + case CDC_VA_TOP_CSR_DMIC1_CTL: + case CDC_VA_TOP_CSR_DMIC2_CTL: + case CDC_VA_TOP_CSR_DMIC3_CTL: + return true; + } + return false; +} + +static const struct reg_default va_defaults[] = { + /* VA macro */ + { CDC_VA_CLK_RST_CTRL_MCLK_CONTROL, 0x00}, + { CDC_VA_CLK_RST_CTRL_FS_CNT_CONTROL, 0x00}, + { CDC_VA_CLK_RST_CTRL_SWR_CONTROL, 0x00}, + { CDC_VA_TOP_CSR_TOP_CFG0, 0x00}, + { CDC_VA_TOP_CSR_DMIC0_CTL, 0x00}, + { CDC_VA_TOP_CSR_DMIC1_CTL, 0x00}, + { CDC_VA_TOP_CSR_DMIC2_CTL, 0x00}, + { CDC_VA_TOP_CSR_DMIC3_CTL, 0x00}, + { CDC_VA_TOP_CSR_DMIC_CFG, 0x80}, + { CDC_VA_TOP_CSR_DEBUG_BUS, 0x00}, + { CDC_VA_TOP_CSR_DEBUG_EN, 0x00}, + { CDC_VA_TOP_CSR_TX_I2S_CTL, 0x0C}, + { CDC_VA_TOP_CSR_I2S_CLK, 0x00}, + { CDC_VA_TOP_CSR_I2S_RESET, 0x00}, + { CDC_VA_TOP_CSR_CORE_ID_0, 0x00}, + { CDC_VA_TOP_CSR_CORE_ID_1, 0x00}, + { CDC_VA_TOP_CSR_CORE_ID_2, 0x00}, + { CDC_VA_TOP_CSR_CORE_ID_3, 0x00}, + { CDC_VA_TOP_CSR_SWR_MIC_CTL0, 0xEE}, + { CDC_VA_TOP_CSR_SWR_MIC_CTL1, 0xEE}, + { CDC_VA_TOP_CSR_SWR_MIC_CTL2, 0xEE}, + { CDC_VA_TOP_CSR_SWR_CTRL, 0x06}, + + /* VA core */ + { CDC_VA_INP_MUX_ADC_MUX0_CFG0, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX0_CFG1, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX1_CFG0, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX1_CFG1, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX2_CFG0, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX2_CFG1, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX3_CFG0, 0x00}, + { CDC_VA_INP_MUX_ADC_MUX3_CFG1, 0x00}, + { CDC_VA_TX0_TX_PATH_CTL, 0x04}, + { CDC_VA_TX0_TX_PATH_CFG0, 0x10}, + { CDC_VA_TX0_TX_PATH_CFG1, 0x0B}, + { CDC_VA_TX0_TX_VOL_CTL, 0x00}, + { CDC_VA_TX0_TX_PATH_SEC0, 0x00}, + { CDC_VA_TX0_TX_PATH_SEC1, 0x00}, + { CDC_VA_TX0_TX_PATH_SEC2, 0x01}, + { CDC_VA_TX0_TX_PATH_SEC3, 0x3C}, + { CDC_VA_TX0_TX_PATH_SEC4, 0x20}, + { CDC_VA_TX0_TX_PATH_SEC5, 0x00}, + { CDC_VA_TX0_TX_PATH_SEC6, 0x00}, + { CDC_VA_TX0_TX_PATH_SEC7, 0x25}, + { CDC_VA_TX1_TX_PATH_CTL, 0x04}, + { CDC_VA_TX1_TX_PATH_CFG0, 0x10}, + { CDC_VA_TX1_TX_PATH_CFG1, 0x0B}, + { CDC_VA_TX1_TX_VOL_CTL, 0x00}, + { CDC_VA_TX1_TX_PATH_SEC0, 0x00}, + { CDC_VA_TX1_TX_PATH_SEC1, 0x00}, + { CDC_VA_TX1_TX_PATH_SEC2, 0x01}, + { CDC_VA_TX1_TX_PATH_SEC3, 0x3C}, + { CDC_VA_TX1_TX_PATH_SEC4, 0x20}, + { CDC_VA_TX1_TX_PATH_SEC5, 0x00}, + { CDC_VA_TX1_TX_PATH_SEC6, 0x00}, + { CDC_VA_TX2_TX_PATH_CTL, 0x04}, + { CDC_VA_TX2_TX_PATH_CFG0, 0x10}, + { CDC_VA_TX2_TX_PATH_CFG1, 0x0B}, + { CDC_VA_TX2_TX_VOL_CTL, 0x00}, + { CDC_VA_TX2_TX_PATH_SEC0, 0x00}, + { CDC_VA_TX2_TX_PATH_SEC1, 0x00}, + { CDC_VA_TX2_TX_PATH_SEC2, 0x01}, + { CDC_VA_TX2_TX_PATH_SEC3, 0x3C}, + { CDC_VA_TX2_TX_PATH_SEC4, 0x20}, + { CDC_VA_TX2_TX_PATH_SEC5, 0x00}, + { CDC_VA_TX2_TX_PATH_SEC6, 0x00}, + { CDC_VA_TX3_TX_PATH_CTL, 0x04}, + { CDC_VA_TX3_TX_PATH_CFG0, 0x10}, + { CDC_VA_TX3_TX_PATH_CFG1, 0x0B}, + { CDC_VA_TX3_TX_VOL_CTL, 0x00}, + { CDC_VA_TX3_TX_PATH_SEC0, 0x00}, + { CDC_VA_TX3_TX_PATH_SEC1, 0x00}, + { CDC_VA_TX3_TX_PATH_SEC2, 0x01}, + { CDC_VA_TX3_TX_PATH_SEC3, 0x3C}, + { CDC_VA_TX3_TX_PATH_SEC4, 0x20}, + { CDC_VA_TX3_TX_PATH_SEC5, 0x00}, + { CDC_VA_TX3_TX_PATH_SEC6, 0x00}, +}; + +static bool va_is_rw_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CDC_VA_CLK_RST_CTRL_MCLK_CONTROL: + case CDC_VA_CLK_RST_CTRL_FS_CNT_CONTROL: + case CDC_VA_CLK_RST_CTRL_SWR_CONTROL: + case CDC_VA_TOP_CSR_TOP_CFG0: + case CDC_VA_TOP_CSR_DMIC0_CTL: + case CDC_VA_TOP_CSR_DMIC1_CTL: + case CDC_VA_TOP_CSR_DMIC2_CTL: + case CDC_VA_TOP_CSR_DMIC3_CTL: + case CDC_VA_TOP_CSR_DMIC_CFG: + case CDC_VA_TOP_CSR_DEBUG_BUS: + case CDC_VA_TOP_CSR_DEBUG_EN: + case CDC_VA_TOP_CSR_TX_I2S_CTL: + case CDC_VA_TOP_CSR_I2S_CLK: + case CDC_VA_TOP_CSR_I2S_RESET: + case CDC_VA_INP_MUX_ADC_MUX0_CFG0: + case CDC_VA_INP_MUX_ADC_MUX0_CFG1: + case CDC_VA_INP_MUX_ADC_MUX1_CFG0: + case CDC_VA_INP_MUX_ADC_MUX1_CFG1: + case CDC_VA_INP_MUX_ADC_MUX2_CFG0: + case CDC_VA_INP_MUX_ADC_MUX2_CFG1: + case CDC_VA_INP_MUX_ADC_MUX3_CFG0: + case CDC_VA_INP_MUX_ADC_MUX3_CFG1: + case CDC_VA_TX0_TX_PATH_CTL: + case CDC_VA_TX0_TX_PATH_CFG0: + case CDC_VA_TX0_TX_PATH_CFG1: + case CDC_VA_TX0_TX_VOL_CTL: + case CDC_VA_TX0_TX_PATH_SEC0: + case CDC_VA_TX0_TX_PATH_SEC1: + case CDC_VA_TX0_TX_PATH_SEC2: + case CDC_VA_TX0_TX_PATH_SEC3: + case CDC_VA_TX0_TX_PATH_SEC4: + case CDC_VA_TX0_TX_PATH_SEC5: + case CDC_VA_TX0_TX_PATH_SEC6: + case CDC_VA_TX0_TX_PATH_SEC7: + case CDC_VA_TX1_TX_PATH_CTL: + case CDC_VA_TX1_TX_PATH_CFG0: + case CDC_VA_TX1_TX_PATH_CFG1: + case CDC_VA_TX1_TX_VOL_CTL: + case CDC_VA_TX1_TX_PATH_SEC0: + case CDC_VA_TX1_TX_PATH_SEC1: + case CDC_VA_TX1_TX_PATH_SEC2: + case CDC_VA_TX1_TX_PATH_SEC3: + case CDC_VA_TX1_TX_PATH_SEC4: + case CDC_VA_TX1_TX_PATH_SEC5: + case CDC_VA_TX1_TX_PATH_SEC6: + case CDC_VA_TX2_TX_PATH_CTL: + case CDC_VA_TX2_TX_PATH_CFG0: + case CDC_VA_TX2_TX_PATH_CFG1: + case CDC_VA_TX2_TX_VOL_CTL: + case CDC_VA_TX2_TX_PATH_SEC0: + case CDC_VA_TX2_TX_PATH_SEC1: + case CDC_VA_TX2_TX_PATH_SEC2: + case CDC_VA_TX2_TX_PATH_SEC3: + case CDC_VA_TX2_TX_PATH_SEC4: + case CDC_VA_TX2_TX_PATH_SEC5: + case CDC_VA_TX2_TX_PATH_SEC6: + case CDC_VA_TX3_TX_PATH_CTL: + case CDC_VA_TX3_TX_PATH_CFG0: + case CDC_VA_TX3_TX_PATH_CFG1: + case CDC_VA_TX3_TX_VOL_CTL: + case CDC_VA_TX3_TX_PATH_SEC0: + case CDC_VA_TX3_TX_PATH_SEC1: + case CDC_VA_TX3_TX_PATH_SEC2: + case CDC_VA_TX3_TX_PATH_SEC3: + case CDC_VA_TX3_TX_PATH_SEC4: + case CDC_VA_TX3_TX_PATH_SEC5: + case CDC_VA_TX3_TX_PATH_SEC6: + return true; + } + + return false; +} + +static bool va_is_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CDC_VA_TOP_CSR_CORE_ID_0: + case CDC_VA_TOP_CSR_CORE_ID_1: + case CDC_VA_TOP_CSR_CORE_ID_2: + case CDC_VA_TOP_CSR_CORE_ID_3: + return true; + } + + return va_is_rw_register(dev, reg); +} + +static const struct regmap_config va_regmap_config = { + .name = "va_macro", + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .cache_type = REGCACHE_FLAT, + .reg_defaults = va_defaults, + .num_reg_defaults = ARRAY_SIZE(va_defaults), + .max_register = VA_MAX_OFFSET, + .volatile_reg = va_is_volatile_register, + .readable_reg = va_is_readable_register, + .writeable_reg = va_is_rw_register, +}; + +static int va_clk_rsc_fs_gen_request(struct va_macro *va, bool enable) +{ + struct regmap *regmap = va->regmap; + + if (enable) { + regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_MCLK_CONTROL, + CDC_VA_MCLK_CONTROL_EN, + CDC_VA_MCLK_CONTROL_EN); + + regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_FS_CNT_CONTROL, + CDC_VA_FS_CONTROL_EN, + CDC_VA_FS_CONTROL_EN); + + regmap_update_bits(regmap, CDC_VA_TOP_CSR_TOP_CFG0, + CDC_VA_FS_BROADCAST_EN, + CDC_VA_FS_BROADCAST_EN); + } else { + regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_MCLK_CONTROL, + CDC_VA_MCLK_CONTROL_EN, 0x0); + + regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_FS_CNT_CONTROL, + CDC_VA_FS_CONTROL_EN, 0x0); + + regmap_update_bits(regmap, CDC_VA_TOP_CSR_TOP_CFG0, + CDC_VA_FS_BROADCAST_EN, 0x0); + } + + return 0; +} + +static int va_macro_mclk_enable(struct va_macro *va, bool mclk_enable) +{ + struct regmap *regmap = va->regmap; + + if (mclk_enable) { + va_clk_rsc_fs_gen_request(va, true); + regcache_mark_dirty(regmap); + regcache_sync_region(regmap, 0x0, VA_MAX_OFFSET); + } else { + va_clk_rsc_fs_gen_request(va, false); + } + + return 0; +} + +static int va_macro_dec_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); + struct va_macro *va = snd_soc_component_get_drvdata(comp); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + int path = e->shift_l; + + ucontrol->value.integer.value[0] = va->dec_mode[path]; + + return 0; +} + +static int va_macro_dec_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); + int value = ucontrol->value.integer.value[0]; + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + int path = e->shift_l; + struct va_macro *va = snd_soc_component_get_drvdata(comp); + + va->dec_mode[path] = value; + + return 0; +} + +static int va_macro_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + int tx_fs_rate; + struct snd_soc_component *component = dai->component; + u32 decimator, sample_rate; + u16 tx_fs_reg; + struct device *va_dev = component->dev; + struct va_macro *va = snd_soc_component_get_drvdata(component); + + sample_rate = params_rate(params); + switch (sample_rate) { + case 8000: + tx_fs_rate = 0; + break; + case 16000: + tx_fs_rate = 1; + break; + case 32000: + tx_fs_rate = 3; + break; + case 48000: + tx_fs_rate = 4; + break; + case 96000: + tx_fs_rate = 5; + break; + case 192000: + tx_fs_rate = 6; + break; + case 384000: + tx_fs_rate = 7; + break; + default: + dev_err(va_dev, "%s: Invalid TX sample rate: %d\n", + __func__, params_rate(params)); + return -EINVAL; + } + + for_each_set_bit(decimator, &va->active_ch_mask[dai->id], + VA_MACRO_DEC_MAX) { + if (decimator >= 0) { + tx_fs_reg = CDC_VA_TX0_TX_PATH_CTL + + VA_MACRO_TX_PATH_OFFSET * decimator; + snd_soc_component_update_bits(component, tx_fs_reg, + 0x0F, tx_fs_rate); + } else { + dev_err(va_dev, + "%s: ERROR: Invalid decimator: %d\n", + __func__, decimator); + return -EINVAL; + } + } + return 0; +} + +static int va_macro_get_channel_map(struct snd_soc_dai *dai, + unsigned int *tx_num, unsigned int *tx_slot, + unsigned int *rx_num, unsigned int *rx_slot) +{ + struct snd_soc_component *component = dai->component; + struct device *va_dev = component->dev; + struct va_macro *va = snd_soc_component_get_drvdata(component); + + switch (dai->id) { + case VA_MACRO_AIF1_CAP: + case VA_MACRO_AIF2_CAP: + case VA_MACRO_AIF3_CAP: + *tx_slot = va->active_ch_mask[dai->id]; + *tx_num = va->active_ch_cnt[dai->id]; + break; + default: + dev_err(va_dev, "%s: Invalid AIF\n", __func__); + break; + } + return 0; +} + +static int va_macro_digital_mute(struct snd_soc_dai *dai, int mute, int stream) +{ + struct snd_soc_component *component = dai->component; + struct va_macro *va = snd_soc_component_get_drvdata(component); + u16 tx_vol_ctl_reg, decimator; + + decimator = va->active_decimator[dai->id]; + + tx_vol_ctl_reg = CDC_VA_TX0_TX_PATH_CTL + + VA_MACRO_TX_PATH_OFFSET * decimator; + if (mute) + snd_soc_component_update_bits(component, tx_vol_ctl_reg, + CDC_VA_TX_PATH_PGA_MUTE_EN_MASK, + CDC_VA_TX_PATH_PGA_MUTE_EN); + else + snd_soc_component_update_bits(component, tx_vol_ctl_reg, + CDC_VA_TX_PATH_PGA_MUTE_EN_MASK, + CDC_VA_TX_PATH_PGA_MUTE_DISABLE); + + return 0; +} + +static struct snd_soc_dai_ops va_macro_dai_ops = { + .hw_params = va_macro_hw_params, + .get_channel_map = va_macro_get_channel_map, + .mute_stream = va_macro_digital_mute, +}; + +static struct snd_soc_dai_driver va_macro_dais[] = { + { + .name = "va_macro_tx1", + .id = VA_MACRO_AIF1_CAP, + .capture = { + .stream_name = "VA_AIF1 Capture", + .rates = VA_MACRO_RATES, + .formats = VA_MACRO_FORMATS, + .rate_max = 192000, + .rate_min = 8000, + .channels_min = 1, + .channels_max = 8, + }, + .ops = &va_macro_dai_ops, + }, + { + .name = "va_macro_tx2", + .id = VA_MACRO_AIF2_CAP, + .capture = { + .stream_name = "VA_AIF2 Capture", + .rates = VA_MACRO_RATES, + .formats = VA_MACRO_FORMATS, + .rate_max = 192000, + .rate_min = 8000, + .channels_min = 1, + .channels_max = 8, + }, + .ops = &va_macro_dai_ops, + }, + { + .name = "va_macro_tx3", + .id = VA_MACRO_AIF3_CAP, + .capture = { + .stream_name = "VA_AIF3 Capture", + .rates = VA_MACRO_RATES, + .formats = VA_MACRO_FORMATS, + .rate_max = 192000, + .rate_min = 8000, + .channels_min = 1, + .channels_max = 8, + }, + .ops = &va_macro_dai_ops, + }, +}; + +static const char * const dec_mode_mux_text[] = { + "ADC_DEFAULT", "ADC_LOW_PWR", "ADC_HIGH_PERF", +}; + +static const struct soc_enum dec_mode_mux_enum[] = { + SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, ARRAY_SIZE(dec_mode_mux_text), + dec_mode_mux_text), + SOC_ENUM_SINGLE(SND_SOC_NOPM, 1, ARRAY_SIZE(dec_mode_mux_text), + dec_mode_mux_text), + SOC_ENUM_SINGLE(SND_SOC_NOPM, 2, ARRAY_SIZE(dec_mode_mux_text), + dec_mode_mux_text), + SOC_ENUM_SINGLE(SND_SOC_NOPM, 3, ARRAY_SIZE(dec_mode_mux_text), + dec_mode_mux_text), +}; + +static const struct snd_kcontrol_new va_macro_snd_controls[] = { + SOC_SINGLE_S8_TLV("VA_DEC0 Volume", CDC_VA_TX0_TX_VOL_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("VA_DEC1 Volume", CDC_VA_TX1_TX_VOL_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("VA_DEC2 Volume", CDC_VA_TX2_TX_VOL_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("VA_DEC3 Volume", CDC_VA_TX3_TX_VOL_CTL, + -84, 40, digital_gain), + + SOC_ENUM_EXT("VA_DEC0 MODE", dec_mode_mux_enum[0], + va_macro_dec_mode_get, va_macro_dec_mode_put), + SOC_ENUM_EXT("VA_DEC1 MODE", dec_mode_mux_enum[1], + va_macro_dec_mode_get, va_macro_dec_mode_put), + SOC_ENUM_EXT("VA_DEC2 MODE", dec_mode_mux_enum[2], + va_macro_dec_mode_get, va_macro_dec_mode_put), + SOC_ENUM_EXT("VA_DEC3 MODE", dec_mode_mux_enum[3], + va_macro_dec_mode_get, va_macro_dec_mode_put), +}; + +static int va_macro_component_probe(struct snd_soc_component *component) +{ + struct va_macro *va = snd_soc_component_get_drvdata(component); + + snd_soc_component_init_regmap(component, va->regmap); + + return 0; +} + +static const struct snd_soc_component_driver va_macro_component_drv = { + .name = "VA MACRO", + .probe = va_macro_component_probe, + .controls = va_macro_snd_controls, + .num_controls = ARRAY_SIZE(va_macro_snd_controls), +}; + +static int fsgen_gate_enable(struct clk_hw *hw) +{ + return va_macro_mclk_enable(to_va_macro(hw), true); +} + +static void fsgen_gate_disable(struct clk_hw *hw) +{ + va_macro_mclk_enable(to_va_macro(hw), false); +} + +static int fsgen_gate_is_enabled(struct clk_hw *hw) +{ + struct va_macro *va = to_va_macro(hw); + int val; + + regmap_read(va->regmap, CDC_VA_TOP_CSR_TOP_CFG0, &val); + + return !!(val & CDC_VA_FS_BROADCAST_EN); +} + +static const struct clk_ops fsgen_gate_ops = { + .prepare = fsgen_gate_enable, + .unprepare = fsgen_gate_disable, + .is_enabled = fsgen_gate_is_enabled, +}; + +static int va_macro_register_fsgen_output(struct va_macro *va) +{ + struct clk *parent = va->clks[2].clk; + struct device *dev = va->dev; + struct device_node *np = dev->of_node; + const char *parent_clk_name; + const char *clk_name = "fsgen"; + struct clk_init_data init; + int ret; + + parent_clk_name = __clk_get_name(parent); + + of_property_read_string(np, "clock-output-names", &clk_name); + + init.name = clk_name; + init.ops = &fsgen_gate_ops; + init.flags = 0; + init.parent_names = &parent_clk_name; + init.num_parents = 1; + va->hw.init = &init; + ret = devm_clk_hw_register(va->dev, &va->hw); + if (ret) + return ret; + + return of_clk_add_provider(np, of_clk_src_simple_get, va->hw.clk); +} + +static int va_macro_validate_dmic_sample_rate(u32 dmic_sample_rate, + struct va_macro *va) +{ + u32 div_factor; + u32 mclk_rate = VA_MACRO_MCLK_FREQ; + + if (!dmic_sample_rate || mclk_rate % dmic_sample_rate != 0) + goto undefined_rate; + + div_factor = mclk_rate / dmic_sample_rate; + + switch (div_factor) { + case 2: + va->dmic_clk_div = VA_MACRO_CLK_DIV_2; + break; + case 3: + va->dmic_clk_div = VA_MACRO_CLK_DIV_3; + break; + case 4: + va->dmic_clk_div = VA_MACRO_CLK_DIV_4; + break; + case 6: + va->dmic_clk_div = VA_MACRO_CLK_DIV_6; + break; + case 8: + va->dmic_clk_div = VA_MACRO_CLK_DIV_8; + break; + case 16: + va->dmic_clk_div = VA_MACRO_CLK_DIV_16; + break; + default: + /* Any other DIV factor is invalid */ + goto undefined_rate; + } + + return dmic_sample_rate; + +undefined_rate: + dev_err(va->dev, "%s: Invalid rate %d, for mclk %d\n", + __func__, dmic_sample_rate, mclk_rate); + dmic_sample_rate = 0; + + return dmic_sample_rate; +} + +static int va_macro_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct va_macro *va; + void __iomem *base; + u32 sample_rate = 0; + int ret; + + va = devm_kzalloc(dev, sizeof(*va), GFP_KERNEL); + if (!va) + return -ENOMEM; + + va->dev = dev; + va->clks[0].id = "macro"; + va->clks[1].id = "dcodec"; + va->clks[2].id = "mclk"; + + ret = devm_clk_bulk_get(dev, VA_NUM_CLKS_MAX, va->clks); + if (ret) { + dev_err(dev, "Error getting VA Clocks (%d)\n", ret); + return ret; + } + + ret = of_property_read_u32(dev->of_node, "qcom,dmic-sample-rate", + &sample_rate); + if (ret) { + dev_err(dev, "qcom,dmic-sample-rate dt entry missing\n"); + va->dmic_clk_div = VA_MACRO_CLK_DIV_2; + } else { + ret = va_macro_validate_dmic_sample_rate(sample_rate, va); + if (!ret) + return -EINVAL; + } + + /* mclk rate */ + clk_set_rate(va->clks[1].clk, VA_MACRO_MCLK_FREQ); + ret = clk_bulk_prepare_enable(VA_NUM_CLKS_MAX, va->clks); + if (ret) + return ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto err; + } + + va->regmap = devm_regmap_init_mmio(dev, base, &va_regmap_config); + if (IS_ERR(va->regmap)) { + ret = -EINVAL; + goto err; + } + + dev_set_drvdata(dev, va); + ret = va_macro_register_fsgen_output(va); + if (ret) + goto err; + + ret = devm_snd_soc_register_component(dev, &va_macro_component_drv, + va_macro_dais, + ARRAY_SIZE(va_macro_dais)); + if (ret) + goto soc_err; + + return ret; + +soc_err: + of_clk_del_provider(pdev->dev.of_node); +err: + clk_bulk_disable_unprepare(VA_NUM_CLKS_MAX, va->clks); + + return ret; +} + +static int va_macro_remove(struct platform_device *pdev) +{ + struct va_macro *va = dev_get_drvdata(&pdev->dev); + + of_clk_del_provider(pdev->dev.of_node); + clk_bulk_disable_unprepare(VA_NUM_CLKS_MAX, va->clks); + + return 0; +} + +static const struct of_device_id va_macro_dt_match[] = { + { .compatible = "qcom,sm8250-lpass-va-macro" }, + {} +}; + +static struct platform_driver va_macro_driver = { + .driver = { + .name = "va_macro", + .of_match_table = va_macro_dt_match, + .suppress_bind_attrs = true, + }, + .probe = va_macro_probe, + .remove = va_macro_remove, +}; + +module_platform_driver(va_macro_driver); +MODULE_DESCRIPTION("VA macro driver"); +MODULE_LICENSE("GPL");