diff options
author | Jack Yu <jack.yu@realtek.com> | 2021-03-11 05:58:09 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2021-03-18 16:54:44 +0300 |
commit | 7ec79d3850d0cb6dc52e6aa472886ab3adf15863 (patch) | |
tree | 9b50ebb94ad4e97d09e632216f086bcd02a0074d /sound/soc/codecs/rt1019.c | |
parent | 8dd855334736f275e9de71096d816c8d9da46bf7 (diff) | |
download | linux-7ec79d3850d0cb6dc52e6aa472886ab3adf15863.tar.xz |
ASoC: rt1019: add rt1019 amplifier driver
This is initial amplifier driver for rt1019.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20210311025809.31852-1-jack.yu@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt1019.c')
-rw-r--r-- | sound/soc/codecs/rt1019.c | 940 |
1 files changed, 940 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1019.c b/sound/soc/codecs/rt1019.c new file mode 100644 index 000000000000..fb275686a00f --- /dev/null +++ b/sound/soc/codecs/rt1019.c @@ -0,0 +1,940 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// rt1019.c -- RT1019 ALSA SoC audio amplifier driver +// Author: Jack Yu <jack.yu@realtek.com> +// +// Copyright(c) 2021 Realtek Semiconductor Corp. +// +// + +#include <linux/acpi.h> +#include <linux/fs.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/regmap.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <linux/firmware.h> +#include <linux/gpio.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <sound/tlv.h> + +#include "rl6231.h" +#include "rt1019.h" + +static const struct reg_default rt1019_reg[] = { + { 0x0000, 0x00 }, + { 0x0002, 0x55 }, + { 0x0003, 0x55 }, + { 0x0005, 0x54 }, + { 0x0006, 0x05 }, + { 0x0007, 0x01 }, + { 0x0008, 0x70 }, + { 0x0009, 0x28 }, + { 0x000a, 0x7f }, + { 0x0011, 0x04 }, + { 0x0013, 0x00 }, + { 0x0015, 0x00 }, + { 0x0017, 0x00 }, + { 0x0019, 0x30 }, + { 0x001b, 0x01 }, + { 0x001d, 0x18 }, + { 0x001f, 0x29 }, + { 0x0021, 0x09 }, + { 0x0023, 0x02 }, + { 0x0025, 0x00 }, + { 0x0026, 0x00 }, + { 0x0028, 0x03 }, + { 0x0053, 0x00 }, + { 0x0055, 0x00 }, + { 0x0056, 0x00 }, + { 0x0057, 0x00 }, + { 0x0058, 0x00 }, + { 0x005a, 0x00 }, + { 0x005c, 0x00 }, + { 0x005d, 0x00 }, + { 0x005e, 0x10 }, + { 0x005f, 0xec }, + { 0x0061, 0x10 }, + { 0x0062, 0x19 }, + { 0x0064, 0x00 }, + { 0x0066, 0x08 }, + { 0x0068, 0x00 }, + { 0x006a, 0x00 }, + { 0x006c, 0x00 }, + { 0x006e, 0x00 }, + { 0x0100, 0x80 }, + { 0x0100, 0x51 }, + { 0x0102, 0x23 }, + { 0x0102, 0x0f }, + { 0x0104, 0x6c }, + { 0x0105, 0xec }, + { 0x0106, 0x00 }, + { 0x0107, 0x00 }, + { 0x0108, 0x00 }, + { 0x0200, 0x40 }, + { 0x0201, 0x00 }, + { 0x0202, 0x00 }, + { 0x0203, 0x00 }, + { 0x0301, 0x02 }, + { 0x0302, 0xaa }, + { 0x0303, 0x2a }, + { 0x0304, 0x6a }, + { 0x0306, 0xb0 }, + { 0x0308, 0x48 }, + { 0x030a, 0x0a }, + { 0x030b, 0x4b }, + { 0x030d, 0x7d }, + { 0x030e, 0xef }, + { 0x030f, 0x5a }, + { 0x0311, 0x00 }, + { 0x0312, 0x3e }, + { 0x0313, 0x86 }, + { 0x0315, 0xa8 }, + { 0x0318, 0x1b }, + { 0x031a, 0x3d }, + { 0x031c, 0x40 }, + { 0x031d, 0x40 }, + { 0x031e, 0x30 }, + { 0x031f, 0xbb }, + { 0x0320, 0xa5 }, + { 0x0321, 0xa5 }, + { 0x0323, 0x5a }, + { 0x0324, 0xaa }, + { 0x0325, 0x80 }, + { 0x0326, 0xaa }, + { 0x0327, 0x66 }, + { 0x0328, 0x94 }, + { 0x0329, 0x00 }, + { 0x0330, 0x00 }, + { 0x0331, 0x30 }, + { 0x0332, 0x05 }, + { 0x0400, 0x03 }, + { 0x0401, 0x02 }, + { 0x0402, 0x01 }, + { 0x0403, 0x23 }, + { 0x0404, 0x45 }, + { 0x0405, 0x67 }, + { 0x0500, 0x80 }, + { 0x0501, 0x00 }, + { 0x0502, 0x00 }, + { 0x0503, 0x00 }, + { 0x0504, 0xff }, + { 0x0505, 0x24 }, + { 0x0600, 0x75 }, + { 0x0601, 0x41 }, + { 0x0602, 0x60 }, + { 0x0603, 0x7f }, + { 0x0604, 0x65 }, + { 0x0605, 0x43 }, + { 0x0606, 0x00 }, + { 0x0607, 0x00 }, + { 0x0608, 0x00 }, + { 0x0609, 0x00 }, + { 0x060a, 0x00 }, + { 0x060b, 0x00 }, + { 0x060c, 0x00 }, + { 0x060d, 0x00 }, + { 0x060e, 0x00 }, + { 0x060f, 0x00 }, + { 0x0700, 0x15 }, + { 0x0701, 0xc8 }, + { 0x0704, 0x02 }, + { 0x0705, 0x00 }, + { 0x0706, 0x00 }, + { 0x0707, 0x80 }, + { 0x0708, 0x08 }, + { 0x0709, 0x00 }, + { 0x0800, 0x00 }, + { 0x0801, 0x00 }, + { 0x0802, 0x09 }, + { 0x0803, 0x00 }, + { 0x0900, 0x87 }, + { 0x0a01, 0x99 }, + { 0x0a02, 0x40 }, + { 0x0a03, 0x10 }, + { 0x0b00, 0x50 }, + { 0x0b01, 0xc3 }, + { 0x0c00, 0x84 }, + { 0x0c01, 0x00 }, + { 0x0c02, 0xbb }, + { 0x0c03, 0x80 }, + { 0x0c04, 0x10 }, + { 0x0c05, 0x30 }, + { 0x0c06, 0x00 }, + { 0x0d00, 0x80 }, + { 0x0d01, 0xbb }, + { 0x0d02, 0x80 }, + { 0x0d03, 0x00 }, + { 0x0d04, 0x00 }, + { 0x0d05, 0x00 }, + { 0x0e00, 0x80 }, + { 0x0e01, 0xbb }, + { 0x0e02, 0x80 }, + { 0x0e03, 0x00 }, + { 0x0e04, 0x10 }, + { 0x0e05, 0x30 }, + { 0x0f00, 0x80 }, + { 0x0f01, 0xbb }, + { 0x0f02, 0x80 }, + { 0x0f03, 0x00 }, + { 0x0f04, 0x10 }, + { 0x0f05, 0x30 }, + { 0x0f06, 0x88 }, + { 0x0f07, 0x88 }, + { 0x0f08, 0x00 }, + { 0x0f09, 0x00 }, +}; + +static bool rt1019_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case RT1019_PWR_STRP_1: + case RT1019_PWR_STRP_2: + case RT1019_SIL_DET_GAT: + case RT1019_PHASE_SYNC: + case RT1019_STAT_MACH_2: + case RT1019_FS_DET_1: + case RT1019_FS_DET_2: + case RT1019_FS_DET_3: + case RT1019_FS_DET_4: + case RT1019_FS_DET_5: + case RT1019_FS_DET_6: + case RT1019_FS_DET_7: + case RT1019_ANA_READ: + case RT1019_VER_ID: + case RT1019_CUSTOM_ID: + case RT1019_VEND_ID_1: + case RT1019_VEND_ID_2: + case RT1019_DEV_ID_1: + case RT1019_DEV_ID_2: + case RT1019_CAL_TOP_3: + case RT1019_CAL_TOP_7: + case RT1019_CAL_TOP_17: + case RT1019_CAL_TOP_18: + case RT1019_CAL_TOP_19: + case RT1019_CAL_TOP_20: + case RT1019_CAL_TOP_21: + case RT1019_CAL_TOP_22: + case RT1019_MDRE_CTRL_2: + case RT1019_MDRE_CTRL_3: + case RT1019_MDRE_CTRL_4: + case RT1019_SIL_DET_2: + case RT1019_PWM_DC_DET_1: + case RT1019_PMC_8: + case RT1019_PMC_9: + case RT1019_SPKDRC_7: + case RT1019_HALF_FREQ_7: + case RT1019_CUR_CTRL_11: + case RT1019_CUR_CTRL_12: + case RT1019_CUR_CTRL_13: + return true; + + default: + return false; + } +} + +static bool rt1019_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case RT1019_RESET: + case RT1019_PAD_DRV_1: + case RT1019_PAD_DRV_2: + case RT1019_PAD_PULL_1: + case RT1019_PAD_PULL_2: + case RT1019_PAD_PULL_3: + case RT1019_I2C_CTRL_1: + case RT1019_I2C_CTRL_2: + case RT1019_I2C_CTRL_3: + case RT1019_IDS_CTRL: + case RT1019_ASEL_CTRL: + case RT1019_PLL_RESET: + case RT1019_PWR_STRP_1: + case RT1019_PWR_STRP_2: + case RT1019_BEEP_TONE: + case RT1019_SIL_DET_GAT: + case RT1019_CLASSD_TIME: + case RT1019_CLASSD_OCP: + case RT1019_PHASE_SYNC: + case RT1019_STAT_MACH_1: + case RT1019_STAT_MACH_2: + case RT1019_EFF_CTRL: + case RT1019_FS_DET_1: + case RT1019_FS_DET_2: + case RT1019_FS_DET_3: + case RT1019_FS_DET_4: + case RT1019_FS_DET_5: + case RT1019_FS_DET_6: + case RT1019_FS_DET_7: + case RT1019_ANA_CTRL: + case RT1019_DUMMY_A: + case RT1019_DUMMY_B: + case RT1019_DUMMY_C: + case RT1019_DUMMY_D: + case RT1019_ANA_READ: + case RT1019_VER_ID: + case RT1019_CUSTOM_ID: + case RT1019_VEND_ID_1: + case RT1019_VEND_ID_2: + case RT1019_DEV_ID_1: + case RT1019_DEV_ID_2: + case RT1019_TEST_PAD: + case RT1019_SDB_CTRL: + case RT1019_TEST_CTRL_1: + case RT1019_TEST_CTRL_2: + case RT1019_TEST_CTRL_3: + case RT1019_SCAN_MODE: + case RT1019_CLK_TREE_1: + case RT1019_CLK_TREE_2: + case RT1019_CLK_TREE_3: + case RT1019_CLK_TREE_4: + case RT1019_CLK_TREE_5: + case RT1019_CLK_TREE_6: + case RT1019_CLK_TREE_7: + case RT1019_CLK_TREE_8: + case RT1019_CLK_TREE_9: + case RT1019_ASRC_1: + case RT1019_ASRC_2: + case RT1019_ASRC_3: + case RT1019_ASRC_4: + case RT1019_SYS_CLK: + case RT1019_BIAS_CUR_1: + case RT1019_BIAS_CUR_2: + case RT1019_BIAS_CUR_3: + case RT1019_BIAS_CUR_4: + case RT1019_CHOP_CLK_DAC: + case RT1019_CHOP_CLK_ADC: + case RT1019_LDO_CTRL_1: + case RT1019_LDO_CTRL_2: + case RT1019_PM_ANA_1: + case RT1019_PM_ANA_2: + case RT1019_PM_ANA_3: + case RT1019_PLL_1: + case RT1019_PLL_2: + case RT1019_PLL_3: + case RT1019_PLL_INT_1: + case RT1019_PLL_INT_3: + case RT1019_MIXER: + case RT1019_CLD_OUT_1: + case RT1019_CLD_OUT_2: + case RT1019_CLD_OUT_3: + case RT1019_CLD_OUT_4: + case RT1019_CLD_OUT_5: + case RT1019_CLD_OUT_6: + case RT1019_CLS_INT_REG_1: + case RT1019_CLS_INT_REG_2: + case RT1019_CLS_INT_REG_3: + case RT1019_CLS_INT_REG_4: + case RT1019_CLS_INT_REG_5: + case RT1019_CLS_INT_REG_6: + case RT1019_CLS_INT_REG_7: + case RT1019_CLS_INT_REG_8: + case RT1019_CLS_INT_REG_9: + case RT1019_CLS_INT_REG_10: + case RT1019_TDM_1: + case RT1019_TDM_2: + case RT1019_TDM_3: + case RT1019_TDM_4: + case RT1019_TDM_5: + case RT1019_TDM_6: + case RT1019_DVOL_1: + case RT1019_DVOL_2: + case RT1019_DVOL_3: + case RT1019_DVOL_4: + case RT1019_DMIX_MONO_1: + case RT1019_DMIX_MONO_2: + case RT1019_CAL_TOP_1: + case RT1019_CAL_TOP_2: + case RT1019_CAL_TOP_3: + case RT1019_CAL_TOP_4: + case RT1019_CAL_TOP_5: + case RT1019_CAL_TOP_6: + case RT1019_CAL_TOP_7: + case RT1019_CAL_TOP_8: + case RT1019_CAL_TOP_9: + case RT1019_CAL_TOP_10: + case RT1019_CAL_TOP_11: + case RT1019_CAL_TOP_12: + case RT1019_CAL_TOP_13: + case RT1019_CAL_TOP_14: + case RT1019_CAL_TOP_15: + case RT1019_CAL_TOP_16: + case RT1019_CAL_TOP_17: + case RT1019_CAL_TOP_18: + case RT1019_CAL_TOP_19: + case RT1019_CAL_TOP_20: + case RT1019_CAL_TOP_21: + case RT1019_CAL_TOP_22: + case RT1019_MDRE_CTRL_1: + case RT1019_MDRE_CTRL_2: + case RT1019_MDRE_CTRL_3: + case RT1019_MDRE_CTRL_4: + case RT1019_MDRE_CTRL_5: + case RT1019_MDRE_CTRL_6: + case RT1019_MDRE_CTRL_7: + case RT1019_MDRE_CTRL_8: + case RT1019_MDRE_CTRL_9: + case RT1019_MDRE_CTRL_10: + case RT1019_SCC_CTRL_1: + case RT1019_SCC_CTRL_2: + case RT1019_SCC_CTRL_3: + case RT1019_SCC_DUMMY: + case RT1019_SIL_DET_1: + case RT1019_SIL_DET_2: + case RT1019_PWM_DC_DET_1: + case RT1019_PWM_DC_DET_2: + case RT1019_PWM_DC_DET_3: + case RT1019_PWM_DC_DET_4: + case RT1019_BEEP_1: + case RT1019_BEEP_2: + case RT1019_PMC_1: + case RT1019_PMC_2: + case RT1019_PMC_3: + case RT1019_PMC_4: + case RT1019_PMC_5: + case RT1019_PMC_6: + case RT1019_PMC_7: + case RT1019_PMC_8: + case RT1019_PMC_9: + case RT1019_SPKDRC_1: + case RT1019_SPKDRC_2: + case RT1019_SPKDRC_3: + case RT1019_SPKDRC_4: + case RT1019_SPKDRC_5: + case RT1019_SPKDRC_6: + case RT1019_SPKDRC_7: + case RT1019_HALF_FREQ_1: + case RT1019_HALF_FREQ_2: + case RT1019_HALF_FREQ_3: + case RT1019_HALF_FREQ_4: + case RT1019_HALF_FREQ_5: + case RT1019_HALF_FREQ_6: + case RT1019_HALF_FREQ_7: + case RT1019_CUR_CTRL_1: + case RT1019_CUR_CTRL_2: + case RT1019_CUR_CTRL_3: + case RT1019_CUR_CTRL_4: + case RT1019_CUR_CTRL_5: + case RT1019_CUR_CTRL_6: + case RT1019_CUR_CTRL_7: + case RT1019_CUR_CTRL_8: + case RT1019_CUR_CTRL_9: + case RT1019_CUR_CTRL_10: + case RT1019_CUR_CTRL_11: + case RT1019_CUR_CTRL_12: + case RT1019_CUR_CTRL_13: + return true; + default: + return false; + } +} + +static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0); + +static const char * const rt1019_din_source_select[] = { + "Left", + "Right", + "Left + Right average", +}; + +static SOC_ENUM_SINGLE_DECL(rt1019_mono_lr_sel, RT1019_IDS_CTRL, 0, + rt1019_din_source_select); + +static const struct snd_kcontrol_new rt1019_snd_controls[] = { + SOC_SINGLE_TLV("DAC Playback Volume", RT1019_DMIX_MONO_1, 0, + 127, 0, dac_vol_tlv), + SOC_ENUM("Mono LR Select", rt1019_mono_lr_sel), +}; + +static int r1019_dac_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + snd_soc_component_write(component, RT1019_SDB_CTRL, 0xb); + break; + case SND_SOC_DAPM_POST_PMD: + snd_soc_component_write(component, RT1019_SDB_CTRL, 0xa); + break; + default: + break; + } + + return 0; +} + +static const struct snd_soc_dapm_widget rt1019_dapm_widgets[] = { + SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, + r1019_dac_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_OUTPUT("SPO"), +}; + +static const struct snd_soc_dapm_route rt1019_dapm_routes[] = { + { "DAC", NULL, "AIFRX" }, + { "SPO", NULL, "DAC" }, +}; + +static int rt1019_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component); + int pre_div, bclk_ms, frame_size; + unsigned int val_len = 0, sys_div_da_filter = 0; + unsigned int sys_dac_osr = 0, sys_fifo_clk = 0; + unsigned int sys_clk_cal = 0, sys_asrc_in = 0; + + rt1019->lrck = params_rate(params); + pre_div = rl6231_get_clk_info(rt1019->sysclk, rt1019->lrck); + if (pre_div < 0) { + dev_err(component->dev, "Unsupported clock setting\n"); + return -EINVAL; + } + + frame_size = snd_soc_params_to_frame_size(params); + if (frame_size < 0) { + dev_err(component->dev, "Unsupported frame size: %d\n", frame_size); + return -EINVAL; + } + + bclk_ms = frame_size > 32; + rt1019->bclk = rt1019->lrck * (32 << bclk_ms); + + dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n", + rt1019->bclk, rt1019->lrck); + dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n", + bclk_ms, pre_div, dai->id); + + switch (pre_div) { + case 0: + sys_div_da_filter = RT1019_SYS_DIV_DA_FIL_DIV1; + sys_dac_osr = RT1019_SYS_DA_OSR_DIV1; + sys_asrc_in = RT1019_ASRC_256FS_DIV1; + sys_fifo_clk = RT1019_SEL_FIFO_DIV1; + sys_clk_cal = RT1019_SEL_CLK_CAL_DIV1; + break; + case 1: + sys_div_da_filter = RT1019_SYS_DIV_DA_FIL_DIV2; + sys_dac_osr = RT1019_SYS_DA_OSR_DIV2; + sys_asrc_in = RT1019_ASRC_256FS_DIV2; + sys_fifo_clk = RT1019_SEL_FIFO_DIV2; + sys_clk_cal = RT1019_SEL_CLK_CAL_DIV2; + break; + case 3: + sys_div_da_filter = RT1019_SYS_DIV_DA_FIL_DIV4; + sys_dac_osr = RT1019_SYS_DA_OSR_DIV4; + sys_asrc_in = RT1019_ASRC_256FS_DIV4; + sys_fifo_clk = RT1019_SEL_FIFO_DIV4; + sys_clk_cal = RT1019_SEL_CLK_CAL_DIV4; + break; + default: + return -EINVAL; + } + + switch (params_width(params)) { + case 16: + break; + case 20: + val_len = RT1019_I2S_DL_20; + break; + case 24: + val_len = RT1019_I2S_DL_24; + break; + case 32: + val_len = RT1019_I2S_DL_32; + break; + case 8: + val_len = RT1019_I2S_DL_8; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, RT1019_TDM_2, RT1019_I2S_DL_MASK, + val_len); + snd_soc_component_update_bits(component, RT1019_CLK_TREE_1, + RT1019_SEL_FIFO_MASK, sys_fifo_clk); + snd_soc_component_update_bits(component, RT1019_CLK_TREE_2, + RT1019_SYS_DIV_DA_FIL_MASK | RT1019_SYS_DA_OSR_MASK | + RT1019_ASRC_256FS_MASK, sys_div_da_filter | sys_dac_osr | + sys_asrc_in); + snd_soc_component_update_bits(component, RT1019_CLK_TREE_3, + RT1019_SEL_CLK_CAL_MASK, sys_clk_cal); + + return 0; +} + +static int rt1019_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + unsigned int reg_val = 0, reg_val2 = 0; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + reg_val2 |= RT1019_TDM_BCLK_INV; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + break; + + case SND_SOC_DAIFMT_LEFT_J: + reg_val |= RT1019_I2S_DF_LEFT; + break; + + case SND_SOC_DAIFMT_DSP_A: + reg_val |= RT1019_I2S_DF_PCM_A_R; + break; + + case SND_SOC_DAIFMT_DSP_B: + reg_val |= RT1019_I2S_DF_PCM_B_R; + break; + + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, RT1019_TDM_2, + RT1019_I2S_DF_MASK, reg_val); + snd_soc_component_update_bits(component, RT1019_TDM_1, + RT1019_TDM_BCLK_MASK, reg_val2); + + return 0; +} + +static int rt1019_set_dai_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = dai->component; + struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component); + unsigned int reg_val = 0; + + if (freq == rt1019->sysclk && clk_id == rt1019->sysclk_src) + return 0; + + switch (clk_id) { + case RT1019_SCLK_S_BCLK: + reg_val |= RT1019_CLK_SYS_PRE_SEL_BCLK; + break; + + case RT1019_SCLK_S_PLL: + reg_val |= RT1019_CLK_SYS_PRE_SEL_PLL; + break; + + default: + dev_err(component->dev, "Invalid clock id (%d)\n", clk_id); + return -EINVAL; + } + + rt1019->sysclk = freq; + rt1019->sysclk_src = clk_id; + + dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id); + + snd_soc_component_update_bits(component, RT1019_CLK_TREE_1, + RT1019_CLK_SYS_PRE_SEL_MASK, reg_val); + + return 0; +} + +static int rt1019_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out) +{ + struct snd_soc_component *component = dai->component; + struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component); + struct rl6231_pll_code pll_code; + int ret; + + if (!freq_in || !freq_out) { + dev_dbg(component->dev, "PLL disabled\n"); + rt1019->pll_in = 0; + rt1019->pll_out = 0; + return 0; + } + + if (source == rt1019->pll_src && freq_in == rt1019->pll_in && + freq_out == rt1019->pll_out) + return 0; + + switch (source) { + case RT1019_PLL_S_BCLK: + snd_soc_component_update_bits(component, RT1019_CLK_TREE_1, + RT1019_PLL_SRC_MASK, RT1019_PLL_SRC_SEL_BCLK); + break; + + case RT1019_PLL_S_RC25M: + snd_soc_component_update_bits(component, RT1019_CLK_TREE_1, + RT1019_PLL_SRC_MASK, RT1019_PLL_SRC_SEL_RC); + break; + + default: + dev_err(component->dev, "Unknown PLL source %d\n", source); + return -EINVAL; + } + + ret = rl6231_pll_calc(freq_in, freq_out, &pll_code); + if (ret < 0) { + dev_err(component->dev, "Unsupport input clock %d\n", freq_in); + return ret; + } + + dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n", + pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code), + pll_code.n_code, pll_code.k_code); + + snd_soc_component_update_bits(component, RT1019_PWR_STRP_2, + RT1019_AUTO_BITS_SEL_MASK | RT1019_AUTO_CLK_SEL_MASK, + RT1019_AUTO_BITS_SEL_MANU | RT1019_AUTO_CLK_SEL_MANU); + snd_soc_component_update_bits(component, RT1019_PLL_1, + RT1019_PLL_M_MASK | RT1019_PLL_M_BP_MASK | RT1019_PLL_Q_8_8_MASK, + (pll_code.m_bp ? 0 : pll_code.m_code) << RT1019_PLL_M_SFT | + pll_code.m_bp << RT1019_PLL_M_BP_SFT | + ((pll_code.n_code >> 8) & RT1019_PLL_Q_8_8_MASK)); + snd_soc_component_update_bits(component, RT1019_PLL_2, + RT1019_PLL_Q_7_0_MASK, pll_code.n_code & RT1019_PLL_Q_7_0_MASK); + snd_soc_component_update_bits(component, RT1019_PLL_3, + RT1019_PLL_K_MASK, pll_code.k_code); + + rt1019->pll_in = freq_in; + rt1019->pll_out = freq_out; + rt1019->pll_src = source; + + return 0; +} + +static int rt1019_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_component *component = dai->component; + unsigned int val = 0, rx_slotnum; + int ret = 0, first_bit; + + switch (slots) { + case 4: + val |= RT1019_I2S_TX_4CH; + break; + case 6: + val |= RT1019_I2S_TX_6CH; + break; + case 8: + val |= RT1019_I2S_TX_8CH; + break; + case 2: + break; + default: + return -EINVAL; + } + + switch (slot_width) { + case 20: + val |= RT1019_I2S_DL_20; + break; + case 24: + val |= RT1019_I2S_DL_24; + break; + case 32: + val |= RT1019_I2S_DL_32; + break; + case 8: + val |= RT1019_I2S_DL_8; + break; + case 16: + break; + default: + return -EINVAL; + } + + /* Rx slot configuration */ + rx_slotnum = hweight_long(rx_mask); + if (rx_slotnum != 1) { + ret = -EINVAL; + dev_err(component->dev, "too many rx slots or zero slot\n"); + goto _set_tdm_err_; + } + /* This is an assumption that the system sends stereo audio to the + * amplifier typically. And the stereo audio is placed in slot 0/2/4/6 + * as the starting slot. The users could select the channel from + * L/R/L+R by "Mono LR Select" control. + */ + first_bit = __ffs(rx_mask); + switch (first_bit) { + case 0: + case 2: + case 4: + case 6: + snd_soc_component_update_bits(component, + RT1019_TDM_3, + RT1019_TDM_I2S_TX_L_DAC1_1_MASK | + RT1019_TDM_I2S_TX_R_DAC1_1_MASK, + (first_bit << RT1019_TDM_I2S_TX_L_DAC1_1_SFT) | + ((first_bit + 1) << RT1019_TDM_I2S_TX_R_DAC1_1_SFT)); + break; + case 1: + case 3: + case 5: + case 7: + snd_soc_component_update_bits(component, + RT1019_TDM_3, + RT1019_TDM_I2S_TX_L_DAC1_1_MASK | + RT1019_TDM_I2S_TX_R_DAC1_1_MASK, + ((first_bit - 1) << RT1019_TDM_I2S_TX_L_DAC1_1_SFT) | + (first_bit << RT1019_TDM_I2S_TX_R_DAC1_1_SFT)); + break; + default: + ret = -EINVAL; + goto _set_tdm_err_; + } + + snd_soc_component_update_bits(component, RT1019_TDM_2, + RT1019_I2S_CH_TX_MASK | RT1019_I2S_DF_MASK, val); + +_set_tdm_err_: + return ret; +} + +static int rt1019_probe(struct snd_soc_component *component) +{ + struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component); + + rt1019->component = component; + snd_soc_component_write(component, RT1019_SDB_CTRL, 0xa); + + return 0; +} + +#define RT1019_STEREO_RATES SNDRV_PCM_RATE_8000_192000 +#define RT1019_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) + +static struct snd_soc_dai_ops rt1019_aif_dai_ops = { + .hw_params = rt1019_hw_params, + .set_fmt = rt1019_set_dai_fmt, + .set_sysclk = rt1019_set_dai_sysclk, + .set_pll = rt1019_set_dai_pll, + .set_tdm_slot = rt1019_set_tdm_slot, +}; + +static struct snd_soc_dai_driver rt1019_dai[] = { + { + .name = "rt1019-aif", + .id = 0, + .playback = { + .stream_name = "AIF Playback", + .channels_min = 1, + .channels_max = 2, + .rates = RT1019_STEREO_RATES, + .formats = RT1019_FORMATS, + }, + .ops = &rt1019_aif_dai_ops, + } +}; + +static const struct snd_soc_component_driver soc_component_dev_rt1019 = { + .probe = rt1019_probe, + .controls = rt1019_snd_controls, + .num_controls = ARRAY_SIZE(rt1019_snd_controls), + .dapm_widgets = rt1019_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt1019_dapm_widgets), + .dapm_routes = rt1019_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(rt1019_dapm_routes), +}; + +static const struct regmap_config rt1019_regmap = { + .reg_bits = 16, + .val_bits = 8, + .use_single_read = true, + .use_single_write = true, + .max_register = RT1019_CUR_CTRL_13, + .volatile_reg = rt1019_volatile_register, + .readable_reg = rt1019_readable_register, + .cache_type = REGCACHE_RBTREE, + .reg_defaults = rt1019_reg, + .num_reg_defaults = ARRAY_SIZE(rt1019_reg), +}; + +static const struct i2c_device_id rt1019_i2c_id[] = { + { "rt1019", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, rt1019_i2c_id); + +static const struct of_device_id rt1019_of_match[] = { + { .compatible = "realtek,rt1019", }, + {}, +}; +MODULE_DEVICE_TABLE(of, rt1019_of_match); + +#ifdef CONFIG_ACPI +static const struct acpi_device_id rt1019_acpi_match[] = { + { "10EC1019", 0}, + { }, +}; +MODULE_DEVICE_TABLE(acpi, rt1019_acpi_match); +#endif + +static int rt1019_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct rt1019_priv *rt1019; + int ret; + unsigned int val, val2, dev_id; + + rt1019 = devm_kzalloc(&i2c->dev, sizeof(struct rt1019_priv), + GFP_KERNEL); + if (!rt1019) + return -ENOMEM; + + i2c_set_clientdata(i2c, rt1019); + + rt1019->regmap = devm_regmap_init_i2c(i2c, &rt1019_regmap); + if (IS_ERR(rt1019->regmap)) { + ret = PTR_ERR(rt1019->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + regmap_read(rt1019->regmap, RT1019_DEV_ID_1, &val); + regmap_read(rt1019->regmap, RT1019_DEV_ID_2, &val2); + dev_id = val << 8 | val2; + if (dev_id != RT1019_DEVICE_ID_VAL && dev_id != RT1019_DEVICE_ID_VAL2) { + dev_err(&i2c->dev, + "Device with ID register 0x%x is not rt1019\n", dev_id); + return -ENODEV; + } + + return devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_rt1019, rt1019_dai, ARRAY_SIZE(rt1019_dai)); +} + +struct i2c_driver rt1019_i2c_driver = { + .driver = { + .name = "rt1019", + .of_match_table = of_match_ptr(rt1019_of_match), + .acpi_match_table = ACPI_PTR(rt1019_acpi_match), + }, + .probe = rt1019_i2c_probe, + .id_table = rt1019_i2c_id, +}; +module_i2c_driver(rt1019_i2c_driver); + +MODULE_DESCRIPTION("ASoC RT1019 driver"); +MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>"); +MODULE_LICENSE("GPL v2"); |