diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/cs43130.c | 2707 |
1 files changed, 2707 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c new file mode 100644 index 000000000..cf29dec28 --- /dev/null +++ b/sound/soc/codecs/cs43130.c @@ -0,0 +1,2707 @@ +/* + * cs43130.c -- CS43130 ALSA Soc Audio driver + * + * Copyright 2017 Cirrus Logic, Inc. + * + * Authors: Li Xu <li.xu@cirrus.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/of_device.h> +#include <linux/regmap.h> +#include <linux/slab.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 <linux/of_gpio.h> +#include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> +#include <linux/of_irq.h> +#include <linux/completion.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> +#include <sound/jack.h> + +#include "cs43130.h" + +static const struct reg_default cs43130_reg_defaults[] = { + {CS43130_SYS_CLK_CTL_1, 0x06}, + {CS43130_SP_SRATE, 0x01}, + {CS43130_SP_BITSIZE, 0x05}, + {CS43130_PAD_INT_CFG, 0x03}, + {CS43130_PWDN_CTL, 0xFE}, + {CS43130_CRYSTAL_SET, 0x04}, + {CS43130_PLL_SET_1, 0x00}, + {CS43130_PLL_SET_2, 0x00}, + {CS43130_PLL_SET_3, 0x00}, + {CS43130_PLL_SET_4, 0x00}, + {CS43130_PLL_SET_5, 0x40}, + {CS43130_PLL_SET_6, 0x10}, + {CS43130_PLL_SET_7, 0x80}, + {CS43130_PLL_SET_8, 0x03}, + {CS43130_PLL_SET_9, 0x02}, + {CS43130_PLL_SET_10, 0x02}, + {CS43130_CLKOUT_CTL, 0x00}, + {CS43130_ASP_NUM_1, 0x01}, + {CS43130_ASP_NUM_2, 0x00}, + {CS43130_ASP_DEN_1, 0x08}, + {CS43130_ASP_DEN_2, 0x00}, + {CS43130_ASP_LRCK_HI_TIME_1, 0x1F}, + {CS43130_ASP_LRCK_HI_TIME_2, 0x00}, + {CS43130_ASP_LRCK_PERIOD_1, 0x3F}, + {CS43130_ASP_LRCK_PERIOD_2, 0x00}, + {CS43130_ASP_CLOCK_CONF, 0x0C}, + {CS43130_ASP_FRAME_CONF, 0x0A}, + {CS43130_XSP_NUM_1, 0x01}, + {CS43130_XSP_NUM_2, 0x00}, + {CS43130_XSP_DEN_1, 0x02}, + {CS43130_XSP_DEN_2, 0x00}, + {CS43130_XSP_LRCK_HI_TIME_1, 0x1F}, + {CS43130_XSP_LRCK_HI_TIME_2, 0x00}, + {CS43130_XSP_LRCK_PERIOD_1, 0x3F}, + {CS43130_XSP_LRCK_PERIOD_2, 0x00}, + {CS43130_XSP_CLOCK_CONF, 0x0C}, + {CS43130_XSP_FRAME_CONF, 0x0A}, + {CS43130_ASP_CH_1_LOC, 0x00}, + {CS43130_ASP_CH_2_LOC, 0x00}, + {CS43130_ASP_CH_1_SZ_EN, 0x06}, + {CS43130_ASP_CH_2_SZ_EN, 0x0E}, + {CS43130_XSP_CH_1_LOC, 0x00}, + {CS43130_XSP_CH_2_LOC, 0x00}, + {CS43130_XSP_CH_1_SZ_EN, 0x06}, + {CS43130_XSP_CH_2_SZ_EN, 0x0E}, + {CS43130_DSD_VOL_B, 0x78}, + {CS43130_DSD_VOL_A, 0x78}, + {CS43130_DSD_PATH_CTL_1, 0xA8}, + {CS43130_DSD_INT_CFG, 0x00}, + {CS43130_DSD_PATH_CTL_2, 0x02}, + {CS43130_DSD_PCM_MIX_CTL, 0x00}, + {CS43130_DSD_PATH_CTL_3, 0x40}, + {CS43130_HP_OUT_CTL_1, 0x30}, + {CS43130_PCM_FILT_OPT, 0x02}, + {CS43130_PCM_VOL_B, 0x78}, + {CS43130_PCM_VOL_A, 0x78}, + {CS43130_PCM_PATH_CTL_1, 0xA8}, + {CS43130_PCM_PATH_CTL_2, 0x00}, + {CS43130_CLASS_H_CTL, 0x1E}, + {CS43130_HP_DETECT, 0x04}, + {CS43130_HP_LOAD_1, 0x00}, + {CS43130_HP_MEAS_LOAD_1, 0x00}, + {CS43130_HP_MEAS_LOAD_2, 0x00}, + {CS43130_INT_MASK_1, 0xFF}, + {CS43130_INT_MASK_2, 0xFF}, + {CS43130_INT_MASK_3, 0xFF}, + {CS43130_INT_MASK_4, 0xFF}, + {CS43130_INT_MASK_5, 0xFF}, +}; + +static bool cs43130_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5: + case CS43130_HP_DC_STAT_1 ... CS43130_HP_DC_STAT_2: + case CS43130_HP_AC_STAT_1 ... CS43130_HP_AC_STAT_2: + return true; + default: + return false; + } +} + +static bool cs43130_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1: + case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG: + case CS43130_PWDN_CTL: + case CS43130_CRYSTAL_SET: + case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5: + case CS43130_PLL_SET_6: + case CS43130_PLL_SET_7: + case CS43130_PLL_SET_8: + case CS43130_PLL_SET_9: + case CS43130_PLL_SET_10: + case CS43130_CLKOUT_CTL: + case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF: + case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF: + case CS43130_ASP_CH_1_LOC: + case CS43130_ASP_CH_2_LOC: + case CS43130_ASP_CH_1_SZ_EN: + case CS43130_ASP_CH_2_SZ_EN: + case CS43130_XSP_CH_1_LOC: + case CS43130_XSP_CH_2_LOC: + case CS43130_XSP_CH_1_SZ_EN: + case CS43130_XSP_CH_2_SZ_EN: + case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3: + case CS43130_HP_OUT_CTL_1: + case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2: + case CS43130_CLASS_H_CTL: + case CS43130_HP_DETECT: + case CS43130_HP_STATUS: + case CS43130_HP_LOAD_1: + case CS43130_HP_MEAS_LOAD_1: + case CS43130_HP_MEAS_LOAD_2: + case CS43130_HP_DC_STAT_1: + case CS43130_HP_DC_STAT_2: + case CS43130_HP_AC_STAT_1: + case CS43130_HP_AC_STAT_2: + case CS43130_HP_LOAD_STAT: + case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5: + case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5: + return true; + default: + return false; + } +} + +static bool cs43130_precious_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5: + return true; + default: + return false; + } +} + +struct cs43130_pll_params { + unsigned int pll_in; + u8 sclk_prediv; + u8 pll_div_int; + u32 pll_div_frac; + u8 pll_mode; + u8 pll_divout; + unsigned int pll_out; + u8 pll_cal_ratio; +}; + +static const struct cs43130_pll_params pll_ratio_table[] = { + {9600000, 0x02, 0x49, 0x800000, 0x00, 0x08, 22579200, 151}, + {9600000, 0x02, 0x50, 0x000000, 0x00, 0x08, 24576000, 164}, + + {11289600, 0x02, 0X40, 0, 0x01, 0x08, 22579200, 128}, + {11289600, 0x02, 0x44, 0x06F700, 0x0, 0x08, 24576000, 139}, + + {12000000, 0x02, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120}, + {12000000, 0x02, 0x40, 0x000000, 0x00, 0x08, 24576000, 131}, + + {12288000, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118}, + {12288000, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128}, + + {13000000, 0x02, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111}, + {13000000, 0x02, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121}, + + {19200000, 0x03, 0x49, 0x800000, 0x00, 0x08, 22579200, 151}, + {19200000, 0x03, 0x50, 0x000000, 0x00, 0x08, 24576000, 164}, + + {22579200, 0, 0, 0, 0, 0, 22579200, 0}, + {22579200, 0x03, 0x44, 0x06F700, 0x00, 0x08, 24576000, 139}, + + {24000000, 0x03, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120}, + {24000000, 0x03, 0x40, 0x000000, 0x00, 0x08, 24576000, 131}, + + {24576000, 0x03, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118}, + {24576000, 0, 0, 0, 0, 0, 24576000, 0}, + + {26000000, 0x03, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111}, + {26000000, 0x03, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121}, +}; + +static const struct cs43130_pll_params *cs43130_get_pll_table( + unsigned int freq_in, unsigned int freq_out) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) { + if (pll_ratio_table[i].pll_in == freq_in && + pll_ratio_table[i].pll_out == freq_out) + return &pll_ratio_table[i]; + } + + return NULL; +} + +static int cs43130_pll_config(struct snd_soc_component *component) +{ + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + const struct cs43130_pll_params *pll_entry; + + dev_dbg(component->dev, "cs43130->mclk = %u, cs43130->mclk_int = %u\n", + cs43130->mclk, cs43130->mclk_int); + + pll_entry = cs43130_get_pll_table(cs43130->mclk, cs43130->mclk_int); + if (!pll_entry) + return -EINVAL; + + if (pll_entry->pll_cal_ratio == 0) { + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1, + CS43130_PLL_START_MASK, 0); + + cs43130->pll_bypass = true; + return 0; + } + + cs43130->pll_bypass = false; + + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_2, + CS43130_PLL_DIV_DATA_MASK, + pll_entry->pll_div_frac >> + CS43130_PLL_DIV_FRAC_0_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_3, + CS43130_PLL_DIV_DATA_MASK, + pll_entry->pll_div_frac >> + CS43130_PLL_DIV_FRAC_1_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_4, + CS43130_PLL_DIV_DATA_MASK, + pll_entry->pll_div_frac >> + CS43130_PLL_DIV_FRAC_2_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_PLL_SET_5, + pll_entry->pll_div_int); + regmap_write(cs43130->regmap, CS43130_PLL_SET_6, pll_entry->pll_divout); + regmap_write(cs43130->regmap, CS43130_PLL_SET_7, + pll_entry->pll_cal_ratio); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_8, + CS43130_PLL_MODE_MASK, + pll_entry->pll_mode << CS43130_PLL_MODE_SHIFT); + regmap_write(cs43130->regmap, CS43130_PLL_SET_9, + pll_entry->sclk_prediv); + regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1, + CS43130_PLL_START_MASK, 1); + + return 0; +} + +static int cs43130_set_pll(struct snd_soc_component *component, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out) +{ + int ret = 0; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (freq_in) { + case 9600000: + case 11289600: + case 12000000: + case 12288000: + case 13000000: + case 19200000: + case 22579200: + case 24000000: + case 24576000: + case 26000000: + cs43130->mclk = freq_in; + break; + default: + dev_err(component->dev, + "unsupported pll input reference clock:%d\n", freq_in); + return -EINVAL; + } + + switch (freq_out) { + case 22579200: + cs43130->mclk_int = freq_out; + break; + case 24576000: + cs43130->mclk_int = freq_out; + break; + default: + dev_err(component->dev, + "unsupported pll output ref clock: %u\n", freq_out); + return -EINVAL; + } + + ret = cs43130_pll_config(component); + dev_dbg(component->dev, "cs43130->pll_bypass = %d", cs43130->pll_bypass); + return ret; +} + +static int cs43130_change_clksrc(struct snd_soc_component *component, + enum cs43130_mclk_src_sel src) +{ + int ret; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + int mclk_int_decoded; + + if (src == cs43130->mclk_int_src) { + /* clk source has not changed */ + return 0; + } + + switch (cs43130->mclk_int) { + case CS43130_MCLK_22M: + mclk_int_decoded = CS43130_MCLK_22P5; + break; + case CS43130_MCLK_24M: + mclk_int_decoded = CS43130_MCLK_24P5; + break; + default: + dev_err(component->dev, "Invalid MCLK INT freq: %u\n", cs43130->mclk_int); + return -EINVAL; + } + + switch (src) { + case CS43130_MCLK_SRC_EXT: + cs43130->pll_bypass = true; + cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT; + if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) { + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, + 1 << CS43130_PDN_XTAL_SHIFT); + } else { + reinit_completion(&cs43130->xtal_rdy); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, 0); + ret = wait_for_completion_timeout(&cs43130->xtal_rdy, + msecs_to_jiffies(100)); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, + 1 << CS43130_XTAL_RDY_INT_SHIFT); + if (ret == 0) { + dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n"); + return -ETIMEDOUT; + } + } + + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_SRC_SEL_MASK, + src << CS43130_MCLK_SRC_SEL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_INT_MASK, + mclk_int_decoded << CS43130_MCLK_INT_SHIFT); + usleep_range(150, 200); + + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_PLL_MASK, + 1 << CS43130_PDN_PLL_SHIFT); + break; + case CS43130_MCLK_SRC_PLL: + cs43130->pll_bypass = false; + cs43130->mclk_int_src = CS43130_MCLK_SRC_PLL; + if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) { + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, + 1 << CS43130_PDN_XTAL_SHIFT); + } else { + reinit_completion(&cs43130->xtal_rdy); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, 0); + ret = wait_for_completion_timeout(&cs43130->xtal_rdy, + msecs_to_jiffies(100)); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_RDY_INT_MASK, + 1 << CS43130_XTAL_RDY_INT_SHIFT); + if (ret == 0) { + dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n"); + return -ETIMEDOUT; + } + } + + reinit_completion(&cs43130->pll_rdy); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_PLL_RDY_INT_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_PLL_MASK, 0); + ret = wait_for_completion_timeout(&cs43130->pll_rdy, + msecs_to_jiffies(100)); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_PLL_RDY_INT_MASK, + 1 << CS43130_PLL_RDY_INT_SHIFT); + if (ret == 0) { + dev_err(component->dev, "Timeout waiting for PLL_READY interrupt\n"); + return -ETIMEDOUT; + } + + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_SRC_SEL_MASK, + src << CS43130_MCLK_SRC_SEL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_INT_MASK, + mclk_int_decoded << CS43130_MCLK_INT_SHIFT); + usleep_range(150, 200); + break; + case CS43130_MCLK_SRC_RCO: + cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO; + + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_SRC_SEL_MASK, + src << CS43130_MCLK_SRC_SEL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1, + CS43130_MCLK_INT_MASK, + CS43130_MCLK_22P5 << CS43130_MCLK_INT_SHIFT); + usleep_range(150, 200); + + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_XTAL_MASK, + 1 << CS43130_PDN_XTAL_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL, + CS43130_PDN_PLL_MASK, + 1 << CS43130_PDN_PLL_SHIFT); + break; + default: + dev_err(component->dev, "Invalid MCLK source value\n"); + return -EINVAL; + } + + return 0; +} + +static const struct cs43130_bitwidth_map cs43130_bitwidth_table[] = { + {8, CS43130_SP_BIT_SIZE_8, CS43130_CH_BIT_SIZE_8}, + {16, CS43130_SP_BIT_SIZE_16, CS43130_CH_BIT_SIZE_16}, + {24, CS43130_SP_BIT_SIZE_24, CS43130_CH_BIT_SIZE_24}, + {32, CS43130_SP_BIT_SIZE_32, CS43130_CH_BIT_SIZE_32}, +}; + +static const struct cs43130_bitwidth_map *cs43130_get_bitwidth_table( + unsigned int bitwidth) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cs43130_bitwidth_table); i++) { + if (cs43130_bitwidth_table[i].bitwidth == bitwidth) + return &cs43130_bitwidth_table[i]; + } + + return NULL; +} + +static int cs43130_set_bitwidth(int dai_id, unsigned int bitwidth_dai, + struct regmap *regmap) +{ + const struct cs43130_bitwidth_map *bw_map; + + bw_map = cs43130_get_bitwidth_table(bitwidth_dai); + if (!bw_map) + return -EINVAL; + + switch (dai_id) { + case CS43130_ASP_PCM_DAI: + case CS43130_ASP_DOP_DAI: + regmap_update_bits(regmap, CS43130_ASP_CH_1_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_ASP_CH_2_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_SP_BITSIZE, + CS43130_ASP_BITSIZE_MASK, bw_map->sp_bit); + break; + case CS43130_XSP_DOP_DAI: + regmap_update_bits(regmap, CS43130_XSP_CH_1_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_XSP_CH_2_SZ_EN, + CS43130_CH_BITSIZE_MASK, bw_map->ch_bit); + regmap_update_bits(regmap, CS43130_SP_BITSIZE, + CS43130_XSP_BITSIZE_MASK, bw_map->sp_bit << + CS43130_XSP_BITSIZE_SHIFT); + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct cs43130_rate_map cs43130_rate_table[] = { + {32000, CS43130_ASP_SPRATE_32K}, + {44100, CS43130_ASP_SPRATE_44_1K}, + {48000, CS43130_ASP_SPRATE_48K}, + {88200, CS43130_ASP_SPRATE_88_2K}, + {96000, CS43130_ASP_SPRATE_96K}, + {176400, CS43130_ASP_SPRATE_176_4K}, + {192000, CS43130_ASP_SPRATE_192K}, + {352800, CS43130_ASP_SPRATE_352_8K}, + {384000, CS43130_ASP_SPRATE_384K}, +}; + +static const struct cs43130_rate_map *cs43130_get_rate_table(int fs) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cs43130_rate_table); i++) { + if (cs43130_rate_table[i].fs == fs) + return &cs43130_rate_table[i]; + } + + return NULL; +} + +static const struct cs43130_clk_gen *cs43130_get_clk_gen(int mclk_int, int fs, + const struct cs43130_clk_gen *clk_gen_table, int len_clk_gen_table) +{ + int i; + + for (i = 0; i < len_clk_gen_table; i++) { + if (clk_gen_table[i].mclk_int == mclk_int && + clk_gen_table[i].fs == fs) + return &clk_gen_table[i]; + } + + return NULL; +} + +static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk, + struct snd_pcm_hw_params *params, + struct cs43130_private *cs43130) +{ + u16 frm_size; + u16 hi_size; + u8 frm_delay; + u8 frm_phase; + u8 frm_data; + u8 sclk_edge; + u8 lrck_edge; + u8 clk_data; + u8 loc_ch1; + u8 loc_ch2; + u8 dai_mode_val; + const struct cs43130_clk_gen *clk_gen; + + switch (cs43130->dais[dai_id].dai_format) { + case SND_SOC_DAIFMT_I2S: + hi_size = bitwidth_sclk; + frm_delay = 2; + frm_phase = 0; + break; + case SND_SOC_DAIFMT_LEFT_J: + hi_size = bitwidth_sclk; + frm_delay = 2; + frm_phase = 1; + break; + case SND_SOC_DAIFMT_DSP_A: + hi_size = 1; + frm_delay = 2; + frm_phase = 1; + break; + case SND_SOC_DAIFMT_DSP_B: + hi_size = 1; + frm_delay = 0; + frm_phase = 1; + break; + default: + return -EINVAL; + } + + switch (cs43130->dais[dai_id].dai_mode) { + case SND_SOC_DAIFMT_CBS_CFS: + dai_mode_val = 0; + break; + case SND_SOC_DAIFMT_CBM_CFM: + dai_mode_val = 1; + break; + default: + return -EINVAL; + } + + frm_size = bitwidth_sclk * params_channels(params); + sclk_edge = 1; + lrck_edge = 0; + loc_ch1 = 0; + loc_ch2 = bitwidth_sclk * (params_channels(params) - 1); + + frm_data = frm_delay & CS43130_SP_FSD_MASK; + frm_data |= (frm_phase << CS43130_SP_STP_SHIFT) & CS43130_SP_STP_MASK; + + clk_data = lrck_edge & CS43130_SP_LCPOL_IN_MASK; + clk_data |= (lrck_edge << CS43130_SP_LCPOL_OUT_SHIFT) & + CS43130_SP_LCPOL_OUT_MASK; + clk_data |= (sclk_edge << CS43130_SP_SCPOL_IN_SHIFT) & + CS43130_SP_SCPOL_IN_MASK; + clk_data |= (sclk_edge << CS43130_SP_SCPOL_OUT_SHIFT) & + CS43130_SP_SCPOL_OUT_MASK; + clk_data |= (dai_mode_val << CS43130_SP_MODE_SHIFT) & + CS43130_SP_MODE_MASK; + + switch (dai_id) { + case CS43130_ASP_PCM_DAI: + case CS43130_ASP_DOP_DAI: + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_MSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_MSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_FRAME_CONF, frm_data); + regmap_write(cs43130->regmap, CS43130_ASP_CH_1_LOC, loc_ch1); + regmap_write(cs43130->regmap, CS43130_ASP_CH_2_LOC, loc_ch2); + regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_CLOCK_CONF, clk_data); + break; + case CS43130_XSP_DOP_DAI: + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_1, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_2, + CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >> + CS43130_SP_LCPR_MSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_1, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_LSB_DATA_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_2, + CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >> + CS43130_SP_LCHI_MSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_XSP_FRAME_CONF, frm_data); + regmap_write(cs43130->regmap, CS43130_XSP_CH_1_LOC, loc_ch1); + regmap_write(cs43130->regmap, CS43130_XSP_CH_2_LOC, loc_ch2); + regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_1_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_2_SZ_EN, + CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT); + regmap_write(cs43130->regmap, CS43130_XSP_CLOCK_CONF, clk_data); + break; + default: + return -EINVAL; + } + + switch (frm_size) { + case 16: + clk_gen = cs43130_get_clk_gen(cs43130->mclk_int, + params_rate(params), + cs43130_16_clk_gen, + ARRAY_SIZE(cs43130_16_clk_gen)); + break; + case 32: + clk_gen = cs43130_get_clk_gen(cs43130->mclk_int, + params_rate(params), + cs43130_32_clk_gen, + ARRAY_SIZE(cs43130_32_clk_gen)); + break; + case 48: + clk_gen = cs43130_get_clk_gen(cs43130->mclk_int, + params_rate(params), + cs43130_48_clk_gen, + ARRAY_SIZE(cs43130_48_clk_gen)); + break; + case 64: + clk_gen = cs43130_get_clk_gen(cs43130->mclk_int, + params_rate(params), + cs43130_64_clk_gen, + ARRAY_SIZE(cs43130_64_clk_gen)); + break; + default: + return -EINVAL; + } + + if (!clk_gen) + return -EINVAL; + + switch (dai_id) { + case CS43130_ASP_PCM_DAI: + case CS43130_ASP_DOP_DAI: + regmap_write(cs43130->regmap, CS43130_ASP_DEN_1, + (clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >> + CS43130_SP_M_LSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_DEN_2, + (clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >> + CS43130_SP_M_MSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_NUM_1, + (clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >> + CS43130_SP_N_LSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_ASP_NUM_2, + (clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >> + CS43130_SP_N_MSB_DATA_SHIFT); + break; + case CS43130_XSP_DOP_DAI: + regmap_write(cs43130->regmap, CS43130_XSP_DEN_1, + (clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >> + CS43130_SP_M_LSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_XSP_DEN_2, + (clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >> + CS43130_SP_M_MSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_XSP_NUM_1, + (clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >> + CS43130_SP_N_LSB_DATA_SHIFT); + regmap_write(cs43130->regmap, CS43130_XSP_NUM_2, + (clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >> + CS43130_SP_N_MSB_DATA_SHIFT); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int cs43130_pcm_dsd_mix(bool en, struct regmap *regmap) +{ + if (en) { + regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL, + CS43130_MIX_PCM_PREP_MASK, + 1 << CS43130_MIX_PCM_PREP_SHIFT); + usleep_range(6000, 6050); + regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL, + CS43130_MIX_PCM_DSD_MASK, + 1 << CS43130_MIX_PCM_DSD_SHIFT); + } else { + regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL, + CS43130_MIX_PCM_DSD_MASK, + 0 << CS43130_MIX_PCM_DSD_SHIFT); + usleep_range(1600, 1650); + regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL, + CS43130_MIX_PCM_PREP_MASK, + 0 << CS43130_MIX_PCM_PREP_SHIFT); + } + + return 0; +} + +static int cs43130_dsd_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + unsigned int required_clk; + u8 dsd_speed; + + mutex_lock(&cs43130->clk_mutex); + if (!cs43130->clk_req) { + /* no DAI is currently using clk */ + if (!(CS43130_MCLK_22M % params_rate(params))) + required_clk = CS43130_MCLK_22M; + else + required_clk = CS43130_MCLK_24M; + + cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk); + if (cs43130->pll_bypass) + cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT); + else + cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL); + } + + cs43130->clk_req++; + if (cs43130->clk_req == 2) + cs43130_pcm_dsd_mix(true, cs43130->regmap); + mutex_unlock(&cs43130->clk_mutex); + + switch (params_rate(params)) { + case 176400: + dsd_speed = 0; + break; + case 352800: + dsd_speed = 1; + break; + default: + dev_err(component->dev, "Rate(%u) not supported\n", + params_rate(params)); + return -EINVAL; + } + + if (cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM) + regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG, + CS43130_DSD_MASTER, CS43130_DSD_MASTER); + else + regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG, + CS43130_DSD_MASTER, 0); + + regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2, + CS43130_DSD_SPEED_MASK, + dsd_speed << CS43130_DSD_SPEED_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2, + CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_DSD << + CS43130_DSD_SRC_SHIFT); + + return 0; +} + +static int cs43130_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + const struct cs43130_rate_map *rate_map; + unsigned int sclk = cs43130->dais[dai->id].sclk; + unsigned int bitwidth_sclk; + unsigned int bitwidth_dai = (unsigned int)(params_width(params)); + unsigned int required_clk; + u8 dsd_speed; + + mutex_lock(&cs43130->clk_mutex); + if (!cs43130->clk_req) { + /* no DAI is currently using clk */ + if (!(CS43130_MCLK_22M % params_rate(params))) + required_clk = CS43130_MCLK_22M; + else + required_clk = CS43130_MCLK_24M; + + cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk); + if (cs43130->pll_bypass) + cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT); + else + cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL); + } + + cs43130->clk_req++; + if (cs43130->clk_req == 2) + cs43130_pcm_dsd_mix(true, cs43130->regmap); + mutex_unlock(&cs43130->clk_mutex); + + switch (dai->id) { + case CS43130_ASP_DOP_DAI: + case CS43130_XSP_DOP_DAI: + /* DoP bitwidth is always 24-bit */ + bitwidth_dai = 24; + sclk = params_rate(params) * bitwidth_dai * + params_channels(params); + + switch (params_rate(params)) { + case 176400: + dsd_speed = 0; + break; + case 352800: + dsd_speed = 1; + break; + default: + dev_err(component->dev, "Rate(%u) not supported\n", + params_rate(params)); + return -EINVAL; + } + + regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2, + CS43130_DSD_SPEED_MASK, + dsd_speed << CS43130_DSD_SPEED_SHIFT); + break; + case CS43130_ASP_PCM_DAI: + rate_map = cs43130_get_rate_table(params_rate(params)); + if (!rate_map) + return -EINVAL; + + regmap_write(cs43130->regmap, CS43130_SP_SRATE, rate_map->val); + break; + default: + dev_err(component->dev, "Invalid DAI (%d)\n", dai->id); + return -EINVAL; + } + + switch (dai->id) { + case CS43130_ASP_DOP_DAI: + regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2, + CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_ASP << + CS43130_DSD_SRC_SHIFT); + break; + case CS43130_XSP_DOP_DAI: + regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2, + CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_XSP << + CS43130_DSD_SRC_SHIFT); + break; + } + + if (!sclk && cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM) + /* Calculate SCLK in master mode if unassigned */ + sclk = params_rate(params) * bitwidth_dai * + params_channels(params); + + if (!sclk) { + /* at this point, SCLK must be set */ + dev_err(component->dev, "SCLK freq is not set\n"); + return -EINVAL; + } + + bitwidth_sclk = (sclk / params_rate(params)) / params_channels(params); + if (bitwidth_sclk < bitwidth_dai) { + dev_err(component->dev, "Format not supported: SCLK freq is too low\n"); + return -EINVAL; + } + + dev_dbg(component->dev, + "sclk = %u, fs = %d, bitwidth_dai = %u\n", + sclk, params_rate(params), bitwidth_dai); + + dev_dbg(component->dev, + "bitwidth_sclk = %u, num_ch = %u\n", + bitwidth_sclk, params_channels(params)); + + cs43130_set_bitwidth(dai->id, bitwidth_dai, cs43130->regmap); + cs43130_set_sp_fmt(dai->id, bitwidth_sclk, params, cs43130); + + return 0; +} + +static int cs43130_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + mutex_lock(&cs43130->clk_mutex); + cs43130->clk_req--; + if (!cs43130->clk_req) { + /* no DAI is currently using clk */ + cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO); + cs43130_pcm_dsd_mix(false, cs43130->regmap); + } + mutex_unlock(&cs43130->clk_mutex); + + return 0; +} + +static const DECLARE_TLV_DB_SCALE(pcm_vol_tlv, -12750, 50, 1); + +static const char * const pcm_ch_text[] = { + "Left-Right Ch", + "Left-Left Ch", + "Right-Left Ch", + "Right-Right Ch", +}; + +static const struct reg_sequence pcm_ch_en_seq[] = { + {CS43130_DXD1, 0x99}, + {0x180005, 0x8C}, + {0x180007, 0xAB}, + {0x180015, 0x31}, + {0x180017, 0xB2}, + {0x180025, 0x30}, + {0x180027, 0x84}, + {0x180035, 0x9C}, + {0x180037, 0xAE}, + {0x18000D, 0x24}, + {0x18000F, 0xA3}, + {0x18001D, 0x05}, + {0x18001F, 0xD4}, + {0x18002D, 0x0B}, + {0x18002F, 0xC7}, + {0x18003D, 0x71}, + {0x18003F, 0xE7}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence pcm_ch_dis_seq[] = { + {CS43130_DXD1, 0x99}, + {0x180005, 0x24}, + {0x180007, 0xA3}, + {0x180015, 0x05}, + {0x180017, 0xD4}, + {0x180025, 0x0B}, + {0x180027, 0xC7}, + {0x180035, 0x71}, + {0x180037, 0xE7}, + {0x18000D, 0x8C}, + {0x18000F, 0xAB}, + {0x18001D, 0x31}, + {0x18001F, 0xB2}, + {0x18002D, 0x30}, + {0x18002F, 0x84}, + {0x18003D, 0x9C}, + {0x18003F, 0xAE}, + {CS43130_DXD1, 0}, +}; + +static int cs43130_pcm_ch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + return snd_soc_get_enum_double(kcontrol, ucontrol); +} + +static int cs43130_pcm_ch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int *item = ucontrol->value.enumerated.item; + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + unsigned int val; + + if (item[0] >= e->items) + return -EINVAL; + val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; + + switch (cs43130->dev_id) { + case CS43131_CHIP_ID: + case CS43198_CHIP_ID: + if (val >= 2) + regmap_multi_reg_write(cs43130->regmap, pcm_ch_en_seq, + ARRAY_SIZE(pcm_ch_en_seq)); + else + regmap_multi_reg_write(cs43130->regmap, pcm_ch_dis_seq, + ARRAY_SIZE(pcm_ch_dis_seq)); + break; + } + + return snd_soc_put_enum_double(kcontrol, ucontrol); +} + +static SOC_ENUM_SINGLE_DECL(pcm_ch_enum, CS43130_PCM_PATH_CTL_2, 0, + pcm_ch_text); + +static const char * const pcm_spd_texts[] = { + "Fast", + "Slow", +}; + +static SOC_ENUM_SINGLE_DECL(pcm_spd_enum, CS43130_PCM_FILT_OPT, 7, + pcm_spd_texts); + +static const char * const dsd_texts[] = { + "Off", + "BCKA Mode", + "BCKD Mode", +}; + +static const unsigned int dsd_values[] = { + CS43130_DSD_SRC_DSD, + CS43130_DSD_SRC_ASP, + CS43130_DSD_SRC_XSP, +}; + +static SOC_VALUE_ENUM_SINGLE_DECL(dsd_enum, CS43130_DSD_INT_CFG, 0, 0x03, + dsd_texts, dsd_values); + +static const struct snd_kcontrol_new cs43130_snd_controls[] = { + SOC_DOUBLE_R_TLV("Master Playback Volume", + CS43130_PCM_VOL_A, CS43130_PCM_VOL_B, 0, 0xFF, 1, + pcm_vol_tlv), + SOC_DOUBLE_R_TLV("Master DSD Playback Volume", + CS43130_DSD_VOL_A, CS43130_DSD_VOL_B, 0, 0xFF, 1, + pcm_vol_tlv), + SOC_ENUM_EXT("PCM Ch Select", pcm_ch_enum, cs43130_pcm_ch_get, + cs43130_pcm_ch_put), + SOC_ENUM("PCM Filter Speed", pcm_spd_enum), + SOC_SINGLE("PCM Phase Compensation", CS43130_PCM_FILT_OPT, 6, 1, 0), + SOC_SINGLE("PCM Nonoversample Emulate", CS43130_PCM_FILT_OPT, 5, 1, 0), + SOC_SINGLE("PCM High-pass Filter", CS43130_PCM_FILT_OPT, 1, 1, 0), + SOC_SINGLE("PCM De-emphasis Filter", CS43130_PCM_FILT_OPT, 0, 1, 0), + SOC_ENUM("DSD Phase Modulation", dsd_enum), +}; + +static const struct reg_sequence pcm_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD7, 0x01}, + {CS43130_DXD8, 0}, + {CS43130_DXD9, 0x01}, + {CS43130_DXD3, 0x12}, + {CS43130_DXD4, 0}, + {CS43130_DXD10, 0x28}, + {CS43130_DXD11, 0x28}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence dsd_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD7, 0x01}, + {CS43130_DXD8, 0}, + {CS43130_DXD9, 0x01}, + {CS43130_DXD3, 0x12}, + {CS43130_DXD4, 0}, + {CS43130_DXD10, 0x1E}, + {CS43130_DXD11, 0x20}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence pop_free_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD12, 0x0A}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence pop_free_seq2[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD13, 0x20}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence mute_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD3, 0x12}, + {CS43130_DXD5, 0x02}, + {CS43130_DXD4, 0x12}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence unmute_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD3, 0x10}, + {CS43130_DXD5, 0}, + {CS43130_DXD4, 0x16}, + {CS43130_DXD1, 0}, +}; + +static int cs43130_dsd_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); + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, dsd_seq, + ARRAY_SIZE(dsd_seq)); + break; + } + break; + case SND_SOC_DAPM_POST_PMU: + regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_1, + CS43130_MUTE_MASK, 0); + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, unmute_seq, + ARRAY_SIZE(unmute_seq)); + break; + } + break; + case SND_SOC_DAPM_PRE_PMD: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, mute_seq, + ARRAY_SIZE(mute_seq)); + regmap_update_bits(cs43130->regmap, + CS43130_DSD_PATH_CTL_1, + CS43130_MUTE_MASK, CS43130_MUTE_EN); + /* + * DSD Power Down Sequence + * According to Design, 130ms is preferred. + */ + msleep(130); + break; + case CS43131_CHIP_ID: + case CS43198_CHIP_ID: + regmap_update_bits(cs43130->regmap, + CS43130_DSD_PATH_CTL_1, + CS43130_MUTE_MASK, CS43130_MUTE_EN); + break; + } + break; + default: + dev_err(component->dev, "Invalid event = 0x%x\n", event); + return -EINVAL; + } + return 0; +} + +static int cs43130_pcm_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); + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, pcm_seq, + ARRAY_SIZE(pcm_seq)); + break; + } + break; + case SND_SOC_DAPM_POST_PMU: + regmap_update_bits(cs43130->regmap, CS43130_PCM_PATH_CTL_1, + CS43130_MUTE_MASK, 0); + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, unmute_seq, + ARRAY_SIZE(unmute_seq)); + break; + } + break; + case SND_SOC_DAPM_PRE_PMD: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, mute_seq, + ARRAY_SIZE(mute_seq)); + regmap_update_bits(cs43130->regmap, + CS43130_PCM_PATH_CTL_1, + CS43130_MUTE_MASK, CS43130_MUTE_EN); + /* + * PCM Power Down Sequence + * According to Design, 130ms is preferred. + */ + msleep(130); + break; + case CS43131_CHIP_ID: + case CS43198_CHIP_ID: + regmap_update_bits(cs43130->regmap, + CS43130_PCM_PATH_CTL_1, + CS43130_MUTE_MASK, CS43130_MUTE_EN); + break; + } + break; + default: + dev_err(component->dev, "Invalid event = 0x%x\n", event); + return -EINVAL; + } + return 0; +} + +static const struct reg_sequence dac_postpmu_seq[] = { + {CS43130_DXD9, 0x0C}, + {CS43130_DXD3, 0x10}, + {CS43130_DXD4, 0x20}, +}; + +static const struct reg_sequence dac_postpmd_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD6, 0x01}, + {CS43130_DXD1, 0}, +}; + +static int cs43130_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); + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, pop_free_seq, + ARRAY_SIZE(pop_free_seq)); + break; + case CS43131_CHIP_ID: + case CS43198_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, pop_free_seq2, + ARRAY_SIZE(pop_free_seq2)); + break; + } + break; + case SND_SOC_DAPM_POST_PMU: + usleep_range(10000, 10050); + + regmap_write(cs43130->regmap, CS43130_DXD1, 0x99); + + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, dac_postpmu_seq, + ARRAY_SIZE(dac_postpmu_seq)); + /* + * Per datasheet, Sec. PCM Power-Up Sequence. + * According to Design, CS43130_DXD12 must be 0 to meet + * THDN and Dynamic Range spec. + */ + msleep(1000); + regmap_write(cs43130->regmap, CS43130_DXD12, 0); + break; + case CS43131_CHIP_ID: + case CS43198_CHIP_ID: + usleep_range(12000, 12010); + regmap_write(cs43130->regmap, CS43130_DXD13, 0); + break; + } + + regmap_write(cs43130->regmap, CS43130_DXD1, 0); + break; + case SND_SOC_DAPM_POST_PMD: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + regmap_multi_reg_write(cs43130->regmap, dac_postpmd_seq, + ARRAY_SIZE(dac_postpmd_seq)); + break; + } + break; + default: + dev_err(component->dev, "Invalid DAC event = 0x%x\n", event); + return -EINVAL; + } + return 0; +} + +static const struct reg_sequence hpin_prepmd_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD15, 0x64}, + {CS43130_DXD14, 0}, + {CS43130_DXD2, 0}, + {CS43130_DXD1, 0}, +}; + +static const struct reg_sequence hpin_postpmu_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD2, 1}, + {CS43130_DXD14, 0xDC}, + {CS43130_DXD15, 0xE4}, + {CS43130_DXD1, 0}, +}; + +static int cs43130_hpin_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); + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMD: + regmap_multi_reg_write(cs43130->regmap, hpin_prepmd_seq, + ARRAY_SIZE(hpin_prepmd_seq)); + break; + case SND_SOC_DAPM_PRE_PMU: + regmap_multi_reg_write(cs43130->regmap, hpin_postpmu_seq, + ARRAY_SIZE(hpin_postpmu_seq)); + break; + default: + dev_err(component->dev, "Invalid HPIN event = 0x%x\n", event); + return -EINVAL; + } + return 0; +} + +static const struct snd_soc_dapm_widget digital_hp_widgets[] = { + SND_SOC_DAPM_OUTPUT("HPOUTA"), + SND_SOC_DAPM_OUTPUT("HPOUTB"), + + SND_SOC_DAPM_AIF_IN_E("ASPIN PCM", NULL, 0, CS43130_PWDN_CTL, + CS43130_PDN_ASP_SHIFT, 1, cs43130_pcm_event, + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD)), + + SND_SOC_DAPM_AIF_IN_E("ASPIN DoP", NULL, 0, CS43130_PWDN_CTL, + CS43130_PDN_ASP_SHIFT, 1, cs43130_dsd_event, + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD)), + + SND_SOC_DAPM_AIF_IN_E("XSPIN DoP", NULL, 0, CS43130_PWDN_CTL, + CS43130_PDN_XSP_SHIFT, 1, cs43130_dsd_event, + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD)), + + SND_SOC_DAPM_AIF_IN_E("XSPIN DSD", NULL, 0, CS43130_PWDN_CTL, + CS43130_PDN_DSDIF_SHIFT, 1, cs43130_dsd_event, + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD)), + + SND_SOC_DAPM_DAC("DSD", NULL, CS43130_DSD_PATH_CTL_2, + CS43130_DSD_EN_SHIFT, 0), + + SND_SOC_DAPM_DAC_E("HiFi DAC", NULL, CS43130_PWDN_CTL, + CS43130_PDN_HP_SHIFT, 1, cs43130_dac_event, + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_POST_PMD)), +}; + +static const struct snd_soc_dapm_widget analog_hp_widgets[] = { + SND_SOC_DAPM_DAC_E("Analog Playback", NULL, CS43130_HP_OUT_CTL_1, + CS43130_HP_IN_EN_SHIFT, 0, cs43130_hpin_event, + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)), +}; + +static struct snd_soc_dapm_widget all_hp_widgets[ + ARRAY_SIZE(digital_hp_widgets) + + ARRAY_SIZE(analog_hp_widgets)]; + +static const struct snd_soc_dapm_route digital_hp_routes[] = { + {"ASPIN PCM", NULL, "ASP PCM Playback"}, + {"ASPIN DoP", NULL, "ASP DoP Playback"}, + {"XSPIN DoP", NULL, "XSP DoP Playback"}, + {"XSPIN DSD", NULL, "XSP DSD Playback"}, + {"DSD", NULL, "ASPIN DoP"}, + {"DSD", NULL, "XSPIN DoP"}, + {"DSD", NULL, "XSPIN DSD"}, + {"HiFi DAC", NULL, "ASPIN PCM"}, + {"HiFi DAC", NULL, "DSD"}, + {"HPOUTA", NULL, "HiFi DAC"}, + {"HPOUTB", NULL, "HiFi DAC"}, +}; + +static const struct snd_soc_dapm_route analog_hp_routes[] = { + {"HPOUTA", NULL, "Analog Playback"}, + {"HPOUTB", NULL, "Analog Playback"}, +}; + +static struct snd_soc_dapm_route all_hp_routes[ + ARRAY_SIZE(digital_hp_routes) + + ARRAY_SIZE(analog_hp_routes)]; + +static const unsigned int cs43130_asp_src_rates[] = { + 32000, 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 +}; + +static const struct snd_pcm_hw_constraint_list cs43130_asp_constraints = { + .count = ARRAY_SIZE(cs43130_asp_src_rates), + .list = cs43130_asp_src_rates, +}; + +static int cs43130_pcm_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &cs43130_asp_constraints); +} + +static const unsigned int cs43130_dop_src_rates[] = { + 176400, 352800, +}; + +static const struct snd_pcm_hw_constraint_list cs43130_dop_constraints = { + .count = ARRAY_SIZE(cs43130_dop_src_rates), + .list = cs43130_dop_src_rates, +}; + +static int cs43130_dop_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &cs43130_dop_constraints); +} + +static int cs43130_pcm_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS; + break; + case SND_SOC_DAIFMT_CBM_CFM: + cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM; + break; + default: + dev_err(component->dev, "unsupported mode\n"); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_LEFT_J; + break; + case SND_SOC_DAIFMT_DSP_A: + cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_A; + break; + case SND_SOC_DAIFMT_DSP_B: + cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_B; + break; + default: + dev_err(component->dev, + "unsupported audio format\n"); + return -EINVAL; + } + + dev_dbg(component->dev, "dai_id = %d, dai_mode = %u, dai_format = %u\n", + codec_dai->id, + cs43130->dais[codec_dai->id].dai_mode, + cs43130->dais[codec_dai->id].dai_format); + + return 0; +} + +static int cs43130_dsd_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS; + break; + case SND_SOC_DAIFMT_CBM_CFM: + cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM; + break; + default: + dev_err(component->dev, "Unsupported DAI format.\n"); + return -EINVAL; + } + + dev_dbg(component->dev, "dai_mode = 0x%x\n", + cs43130->dais[codec_dai->id].dai_mode); + + return 0; +} + +static int cs43130_set_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = codec_dai->component; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + cs43130->dais[codec_dai->id].sclk = freq; + dev_dbg(component->dev, "dai_id = %d, sclk = %u\n", codec_dai->id, + cs43130->dais[codec_dai->id].sclk); + + return 0; +} + +static const struct snd_soc_dai_ops cs43130_pcm_ops = { + .startup = cs43130_pcm_startup, + .hw_params = cs43130_hw_params, + .hw_free = cs43130_hw_free, + .set_sysclk = cs43130_set_sysclk, + .set_fmt = cs43130_pcm_set_fmt, +}; + +static const struct snd_soc_dai_ops cs43130_dop_ops = { + .startup = cs43130_dop_startup, + .hw_params = cs43130_hw_params, + .hw_free = cs43130_hw_free, + .set_sysclk = cs43130_set_sysclk, + .set_fmt = cs43130_pcm_set_fmt, +}; + +static const struct snd_soc_dai_ops cs43130_dsd_ops = { + .startup = cs43130_dop_startup, + .hw_params = cs43130_dsd_hw_params, + .hw_free = cs43130_hw_free, + .set_fmt = cs43130_dsd_set_fmt, +}; + +static struct snd_soc_dai_driver cs43130_dai[] = { + { + .name = "cs43130-asp-pcm", + .id = CS43130_ASP_PCM_DAI, + .playback = { + .stream_name = "ASP PCM Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = CS43130_PCM_FORMATS, + }, + .ops = &cs43130_pcm_ops, + .symmetric_rates = 1, + }, + { + .name = "cs43130-asp-dop", + .id = CS43130_ASP_DOP_DAI, + .playback = { + .stream_name = "ASP DoP Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = CS43130_DOP_FORMATS, + }, + .ops = &cs43130_dop_ops, + .symmetric_rates = 1, + }, + { + .name = "cs43130-xsp-dop", + .id = CS43130_XSP_DOP_DAI, + .playback = { + .stream_name = "XSP DoP Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = CS43130_DOP_FORMATS, + }, + .ops = &cs43130_dop_ops, + .symmetric_rates = 1, + }, + { + .name = "cs43130-xsp-dsd", + .id = CS43130_XSP_DSD_DAI, + .playback = { + .stream_name = "XSP DSD Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = CS43130_DOP_FORMATS, + }, + .ops = &cs43130_dsd_ops, + }, + +}; + +static int cs43130_component_set_sysclk(struct snd_soc_component *component, + int clk_id, int source, unsigned int freq, + int dir) +{ + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + + dev_dbg(component->dev, "clk_id = %d, source = %d, freq = %d, dir = %d\n", + clk_id, source, freq, dir); + + switch (freq) { + case CS43130_MCLK_22M: + case CS43130_MCLK_24M: + cs43130->mclk = freq; + break; + default: + dev_err(component->dev, "Invalid MCLK INT freq: %u\n", freq); + return -EINVAL; + } + + if (source == CS43130_MCLK_SRC_EXT) { + cs43130->pll_bypass = true; + } else { + dev_err(component->dev, "Invalid MCLK source\n"); + return -EINVAL; + } + + return 0; +} + +static inline u16 cs43130_get_ac_reg_val(u16 ac_freq) +{ + /* AC freq is counted in 5.94Hz step. */ + return ac_freq / 6; +} + +static int cs43130_show_dc(struct device *dev, char *buf, u8 ch) +{ + struct i2c_client *client = to_i2c_client(dev); + struct cs43130_private *cs43130 = i2c_get_clientdata(client); + + if (!cs43130->hpload_done) + return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n"); + else + return scnprintf(buf, PAGE_SIZE, "%u\n", + cs43130->hpload_dc[ch]); +} + +static ssize_t cs43130_show_dc_l(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return cs43130_show_dc(dev, buf, HP_LEFT); +} + +static ssize_t cs43130_show_dc_r(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return cs43130_show_dc(dev, buf, HP_RIGHT); +} + +static u16 const cs43130_ac_freq[CS43130_AC_FREQ] = { + 24, + 43, + 93, + 200, + 431, + 928, + 2000, + 4309, + 9283, + 20000, +}; + +static int cs43130_show_ac(struct device *dev, char *buf, u8 ch) +{ + int i, j = 0, tmp; + struct i2c_client *client = to_i2c_client(dev); + struct cs43130_private *cs43130 = i2c_get_clientdata(client); + + if (cs43130->hpload_done && cs43130->ac_meas) { + for (i = 0; i < ARRAY_SIZE(cs43130_ac_freq); i++) { + tmp = scnprintf(buf + j, PAGE_SIZE - j, "%u\n", + cs43130->hpload_ac[i][ch]); + if (!tmp) + break; + + j += tmp; + } + + return j; + } else { + return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n"); + } +} + +static ssize_t cs43130_show_ac_l(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return cs43130_show_ac(dev, buf, HP_LEFT); +} + +static ssize_t cs43130_show_ac_r(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return cs43130_show_ac(dev, buf, HP_RIGHT); +} + +static DEVICE_ATTR(hpload_dc_l, 0444, cs43130_show_dc_l, NULL); +static DEVICE_ATTR(hpload_dc_r, 0444, cs43130_show_dc_r, NULL); +static DEVICE_ATTR(hpload_ac_l, 0444, cs43130_show_ac_l, NULL); +static DEVICE_ATTR(hpload_ac_r, 0444, cs43130_show_ac_r, NULL); + +static struct attribute *hpload_attrs[] = { + &dev_attr_hpload_dc_l.attr, + &dev_attr_hpload_dc_r.attr, + &dev_attr_hpload_ac_l.attr, + &dev_attr_hpload_ac_r.attr, +}; +ATTRIBUTE_GROUPS(hpload); + +static struct reg_sequence hp_en_cal_seq[] = { + {CS43130_INT_MASK_4, CS43130_INT_MASK_ALL}, + {CS43130_HP_MEAS_LOAD_1, 0}, + {CS43130_HP_MEAS_LOAD_2, 0}, + {CS43130_INT_MASK_4, 0}, + {CS43130_DXD1, 0x99}, + {CS43130_DXD16, 0xBB}, + {CS43130_DXD12, 0x01}, + {CS43130_DXD19, 0xCB}, + {CS43130_DXD17, 0x95}, + {CS43130_DXD18, 0x0B}, + {CS43130_DXD1, 0}, + {CS43130_HP_LOAD_1, 0x80}, +}; + +static struct reg_sequence hp_en_cal_seq2[] = { + {CS43130_INT_MASK_4, CS43130_INT_MASK_ALL}, + {CS43130_HP_MEAS_LOAD_1, 0}, + {CS43130_HP_MEAS_LOAD_2, 0}, + {CS43130_INT_MASK_4, 0}, + {CS43130_HP_LOAD_1, 0x80}, +}; + +static struct reg_sequence hp_dis_cal_seq[] = { + {CS43130_HP_LOAD_1, 0x80}, + {CS43130_DXD1, 0x99}, + {CS43130_DXD12, 0}, + {CS43130_DXD1, 0}, + {CS43130_HP_LOAD_1, 0}, +}; + +static struct reg_sequence hp_dis_cal_seq2[] = { + {CS43130_HP_LOAD_1, 0x80}, + {CS43130_HP_LOAD_1, 0}, +}; + +static struct reg_sequence hp_dc_ch_l_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD19, 0x0A}, + {CS43130_DXD17, 0x93}, + {CS43130_DXD18, 0x0A}, + {CS43130_DXD1, 0}, + {CS43130_HP_LOAD_1, 0x80}, + {CS43130_HP_LOAD_1, 0x81}, +}; + +static struct reg_sequence hp_dc_ch_l_seq2[] = { + {CS43130_HP_LOAD_1, 0x80}, + {CS43130_HP_LOAD_1, 0x81}, +}; + +static struct reg_sequence hp_dc_ch_r_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD19, 0x8A}, + {CS43130_DXD17, 0x15}, + {CS43130_DXD18, 0x06}, + {CS43130_DXD1, 0}, + {CS43130_HP_LOAD_1, 0x90}, + {CS43130_HP_LOAD_1, 0x91}, +}; + +static struct reg_sequence hp_dc_ch_r_seq2[] = { + {CS43130_HP_LOAD_1, 0x90}, + {CS43130_HP_LOAD_1, 0x91}, +}; + +static struct reg_sequence hp_ac_ch_l_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD19, 0x0A}, + {CS43130_DXD17, 0x93}, + {CS43130_DXD18, 0x0A}, + {CS43130_DXD1, 0}, + {CS43130_HP_LOAD_1, 0x80}, + {CS43130_HP_LOAD_1, 0x82}, +}; + +static struct reg_sequence hp_ac_ch_l_seq2[] = { + {CS43130_HP_LOAD_1, 0x80}, + {CS43130_HP_LOAD_1, 0x82}, +}; + +static struct reg_sequence hp_ac_ch_r_seq[] = { + {CS43130_DXD1, 0x99}, + {CS43130_DXD19, 0x8A}, + {CS43130_DXD17, 0x15}, + {CS43130_DXD18, 0x06}, + {CS43130_DXD1, 0}, + {CS43130_HP_LOAD_1, 0x90}, + {CS43130_HP_LOAD_1, 0x92}, +}; + +static struct reg_sequence hp_ac_ch_r_seq2[] = { + {CS43130_HP_LOAD_1, 0x90}, + {CS43130_HP_LOAD_1, 0x92}, +}; + +static struct reg_sequence hp_cln_seq[] = { + {CS43130_INT_MASK_4, CS43130_INT_MASK_ALL}, + {CS43130_HP_MEAS_LOAD_1, 0}, + {CS43130_HP_MEAS_LOAD_2, 0}, +}; + +struct reg_sequences { + struct reg_sequence *seq; + int size; + unsigned int msk; +}; + +static struct reg_sequences hpload_seq1[] = { + { + .seq = hp_en_cal_seq, + .size = ARRAY_SIZE(hp_en_cal_seq), + .msk = CS43130_HPLOAD_ON_INT, + }, + { + .seq = hp_dc_ch_l_seq, + .size = ARRAY_SIZE(hp_dc_ch_l_seq), + .msk = CS43130_HPLOAD_DC_INT, + }, + { + .seq = hp_ac_ch_l_seq, + .size = ARRAY_SIZE(hp_ac_ch_l_seq), + .msk = CS43130_HPLOAD_AC_INT, + }, + { + .seq = hp_dis_cal_seq, + .size = ARRAY_SIZE(hp_dis_cal_seq), + .msk = CS43130_HPLOAD_OFF_INT, + }, + { + .seq = hp_en_cal_seq, + .size = ARRAY_SIZE(hp_en_cal_seq), + .msk = CS43130_HPLOAD_ON_INT, + }, + { + .seq = hp_dc_ch_r_seq, + .size = ARRAY_SIZE(hp_dc_ch_r_seq), + .msk = CS43130_HPLOAD_DC_INT, + }, + { + .seq = hp_ac_ch_r_seq, + .size = ARRAY_SIZE(hp_ac_ch_r_seq), + .msk = CS43130_HPLOAD_AC_INT, + }, +}; + +static struct reg_sequences hpload_seq2[] = { + { + .seq = hp_en_cal_seq2, + .size = ARRAY_SIZE(hp_en_cal_seq2), + .msk = CS43130_HPLOAD_ON_INT, + }, + { + .seq = hp_dc_ch_l_seq2, + .size = ARRAY_SIZE(hp_dc_ch_l_seq2), + .msk = CS43130_HPLOAD_DC_INT, + }, + { + .seq = hp_ac_ch_l_seq2, + .size = ARRAY_SIZE(hp_ac_ch_l_seq2), + .msk = CS43130_HPLOAD_AC_INT, + }, + { + .seq = hp_dis_cal_seq2, + .size = ARRAY_SIZE(hp_dis_cal_seq2), + .msk = CS43130_HPLOAD_OFF_INT, + }, + { + .seq = hp_en_cal_seq2, + .size = ARRAY_SIZE(hp_en_cal_seq2), + .msk = CS43130_HPLOAD_ON_INT, + }, + { + .seq = hp_dc_ch_r_seq2, + .size = ARRAY_SIZE(hp_dc_ch_r_seq2), + .msk = CS43130_HPLOAD_DC_INT, + }, + { + .seq = hp_ac_ch_r_seq2, + .size = ARRAY_SIZE(hp_ac_ch_r_seq2), + .msk = CS43130_HPLOAD_AC_INT, + }, +}; + +static int cs43130_update_hpload(unsigned int msk, int ac_idx, + struct cs43130_private *cs43130) +{ + bool left_ch = true; + unsigned int reg; + u32 addr; + u16 impedance; + struct snd_soc_component *component = cs43130->component; + + switch (msk) { + case CS43130_HPLOAD_DC_INT: + case CS43130_HPLOAD_AC_INT: + break; + default: + return 0; + } + + regmap_read(cs43130->regmap, CS43130_HP_LOAD_1, ®); + if (reg & CS43130_HPLOAD_CHN_SEL) + left_ch = false; + + if (msk == CS43130_HPLOAD_DC_INT) + addr = CS43130_HP_DC_STAT_1; + else + addr = CS43130_HP_AC_STAT_1; + + regmap_read(cs43130->regmap, addr, ®); + impedance = reg >> 3; + regmap_read(cs43130->regmap, addr + 1, ®); + impedance |= reg << 5; + + if (msk == CS43130_HPLOAD_DC_INT) { + if (left_ch) + cs43130->hpload_dc[HP_LEFT] = impedance; + else + cs43130->hpload_dc[HP_RIGHT] = impedance; + + dev_dbg(component->dev, "HP DC impedance (Ch %u): %u\n", !left_ch, + impedance); + } else { + if (left_ch) + cs43130->hpload_ac[ac_idx][HP_LEFT] = impedance; + else + cs43130->hpload_ac[ac_idx][HP_RIGHT] = impedance; + + dev_dbg(component->dev, "HP AC (%u Hz) impedance (Ch %u): %u\n", + cs43130->ac_freq[ac_idx], !left_ch, impedance); + } + + return 0; +} + +static int cs43130_hpload_proc(struct cs43130_private *cs43130, + struct reg_sequence *seq, int seq_size, + unsigned int rslt_msk, int ac_idx) +{ + int ret; + unsigned int msk; + u16 ac_reg_val; + struct snd_soc_component *component = cs43130->component; + + reinit_completion(&cs43130->hpload_evt); + + if (rslt_msk == CS43130_HPLOAD_AC_INT) { + ac_reg_val = cs43130_get_ac_reg_val(cs43130->ac_freq[ac_idx]); + regmap_update_bits(cs43130->regmap, CS43130_HP_LOAD_1, + CS43130_HPLOAD_AC_START, 0); + regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_1, + CS43130_HP_MEAS_LOAD_MASK, + ac_reg_val >> CS43130_HP_MEAS_LOAD_1_SHIFT); + regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_2, + CS43130_HP_MEAS_LOAD_MASK, + ac_reg_val >> CS43130_HP_MEAS_LOAD_2_SHIFT); + } + + regmap_multi_reg_write(cs43130->regmap, seq, + seq_size); + + ret = wait_for_completion_timeout(&cs43130->hpload_evt, + msecs_to_jiffies(1000)); + regmap_read(cs43130->regmap, CS43130_INT_MASK_4, &msk); + if (!ret) { + dev_err(component->dev, "Timeout waiting for HPLOAD interrupt\n"); + return -1; + } + + dev_dbg(component->dev, "HP load stat: %x, INT_MASK_4: %x\n", + cs43130->hpload_stat, msk); + if ((cs43130->hpload_stat & (CS43130_HPLOAD_NO_DC_INT | + CS43130_HPLOAD_UNPLUG_INT | + CS43130_HPLOAD_OOR_INT)) || + !(cs43130->hpload_stat & rslt_msk)) { + dev_dbg(component->dev, "HP load measure failed\n"); + return -1; + } + + return 0; +} + +static const struct reg_sequence hv_seq[][2] = { + { + {CS43130_CLASS_H_CTL, 0x1C}, + {CS43130_HP_OUT_CTL_1, 0x10}, + }, + { + {CS43130_CLASS_H_CTL, 0x1E}, + {CS43130_HP_OUT_CTL_1, 0x20}, + }, + { + {CS43130_CLASS_H_CTL, 0x1E}, + {CS43130_HP_OUT_CTL_1, 0x30}, + }, +}; + +static int cs43130_set_hv(struct regmap *regmap, u16 hpload_dc, + const u16 *dc_threshold) +{ + int i; + + for (i = 0; i < CS43130_DC_THRESHOLD; i++) { + if (hpload_dc <= dc_threshold[i]) + break; + } + + regmap_multi_reg_write(regmap, hv_seq[i], ARRAY_SIZE(hv_seq[i])); + + return 0; +} + +static void cs43130_imp_meas(struct work_struct *wk) +{ + unsigned int reg, seq_size; + int i, ret, ac_idx; + struct cs43130_private *cs43130; + struct snd_soc_component *component; + struct reg_sequences *hpload_seq; + + cs43130 = container_of(wk, struct cs43130_private, work); + component = cs43130->component; + + if (!cs43130->mclk) + return; + + cs43130->hpload_done = false; + + mutex_lock(&cs43130->clk_mutex); + if (!cs43130->clk_req) { + /* clk not in use */ + cs43130_set_pll(component, 0, 0, cs43130->mclk, CS43130_MCLK_22M); + if (cs43130->pll_bypass) + cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT); + else + cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL); + } + + cs43130->clk_req++; + mutex_unlock(&cs43130->clk_mutex); + + regmap_read(cs43130->regmap, CS43130_INT_STATUS_4, ®); + + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + hpload_seq = hpload_seq1; + seq_size = ARRAY_SIZE(hpload_seq1); + break; + case CS43131_CHIP_ID: + hpload_seq = hpload_seq2; + seq_size = ARRAY_SIZE(hpload_seq2); + break; + default: + WARN(1, "Invalid dev_id for meas: %d", cs43130->dev_id); + return; + } + + i = 0; + ac_idx = 0; + while (i < seq_size) { + ret = cs43130_hpload_proc(cs43130, hpload_seq[i].seq, + hpload_seq[i].size, + hpload_seq[i].msk, ac_idx); + if (ret < 0) + goto exit; + + cs43130_update_hpload(hpload_seq[i].msk, ac_idx, cs43130); + + if (cs43130->ac_meas && + hpload_seq[i].msk == CS43130_HPLOAD_AC_INT && + ac_idx < CS43130_AC_FREQ - 1) { + ac_idx++; + } else { + ac_idx = 0; + i++; + } + } + cs43130->hpload_done = true; + + if (cs43130->hpload_dc[HP_LEFT] >= CS43130_LINEOUT_LOAD) + snd_soc_jack_report(&cs43130->jack, CS43130_JACK_LINEOUT, + CS43130_JACK_MASK); + else + snd_soc_jack_report(&cs43130->jack, CS43130_JACK_HEADPHONE, + CS43130_JACK_MASK); + + dev_dbg(component->dev, "Set HP output control. DC threshold\n"); + for (i = 0; i < CS43130_DC_THRESHOLD; i++) + dev_dbg(component->dev, "DC threshold[%d]: %u.\n", i, + cs43130->dc_threshold[i]); + + cs43130_set_hv(cs43130->regmap, cs43130->hpload_dc[HP_LEFT], + cs43130->dc_threshold); + +exit: + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + cs43130_hpload_proc(cs43130, hp_dis_cal_seq, + ARRAY_SIZE(hp_dis_cal_seq), + CS43130_HPLOAD_OFF_INT, ac_idx); + break; + case CS43131_CHIP_ID: + cs43130_hpload_proc(cs43130, hp_dis_cal_seq2, + ARRAY_SIZE(hp_dis_cal_seq2), + CS43130_HPLOAD_OFF_INT, ac_idx); + break; + } + + regmap_multi_reg_write(cs43130->regmap, hp_cln_seq, + ARRAY_SIZE(hp_cln_seq)); + + mutex_lock(&cs43130->clk_mutex); + cs43130->clk_req--; + /* clk not in use */ + if (!cs43130->clk_req) + cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO); + mutex_unlock(&cs43130->clk_mutex); +} + +static irqreturn_t cs43130_irq_thread(int irq, void *data) +{ + struct cs43130_private *cs43130 = (struct cs43130_private *)data; + struct snd_soc_component *component = cs43130->component; + unsigned int stickies[CS43130_NUM_INT]; + unsigned int irq_occurrence = 0; + unsigned int masks[CS43130_NUM_INT]; + int i, j; + + for (i = 0; i < ARRAY_SIZE(stickies); i++) { + regmap_read(cs43130->regmap, CS43130_INT_STATUS_1 + i, + &stickies[i]); + regmap_read(cs43130->regmap, CS43130_INT_MASK_1 + i, + &masks[i]); + } + + for (i = 0; i < ARRAY_SIZE(stickies); i++) { + stickies[i] = stickies[i] & (~masks[i]); + for (j = 0; j < 8; j++) + irq_occurrence += (stickies[i] >> j) & 1; + } + dev_dbg(component->dev, "number of interrupts occurred (%u)\n", + irq_occurrence); + + if (!irq_occurrence) + return IRQ_NONE; + + if (stickies[0] & CS43130_XTAL_RDY_INT) { + complete(&cs43130->xtal_rdy); + return IRQ_HANDLED; + } + + if (stickies[0] & CS43130_PLL_RDY_INT) { + complete(&cs43130->pll_rdy); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_NO_DC_INT) { + cs43130->hpload_stat = stickies[3]; + dev_err(component->dev, + "DC load has not completed before AC load (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_UNPLUG_INT) { + cs43130->hpload_stat = stickies[3]; + dev_err(component->dev, "HP unplugged during measurement (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_OOR_INT) { + cs43130->hpload_stat = stickies[3]; + dev_err(component->dev, "HP load out of range (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_AC_INT) { + cs43130->hpload_stat = stickies[3]; + dev_dbg(component->dev, "HP AC load measurement done (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_DC_INT) { + cs43130->hpload_stat = stickies[3]; + dev_dbg(component->dev, "HP DC load measurement done (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_ON_INT) { + cs43130->hpload_stat = stickies[3]; + dev_dbg(component->dev, "HP load state machine on done (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[3] & CS43130_HPLOAD_OFF_INT) { + cs43130->hpload_stat = stickies[3]; + dev_dbg(component->dev, "HP load state machine off done (%x)\n", + cs43130->hpload_stat); + complete(&cs43130->hpload_evt); + return IRQ_HANDLED; + } + + if (stickies[0] & CS43130_XTAL_ERR_INT) { + dev_err(component->dev, "Crystal err: clock is not running\n"); + return IRQ_HANDLED; + } + + if (stickies[0] & CS43130_HP_UNPLUG_INT) { + dev_dbg(component->dev, "HP unplugged\n"); + cs43130->hpload_done = false; + snd_soc_jack_report(&cs43130->jack, 0, CS43130_JACK_MASK); + return IRQ_HANDLED; + } + + if (stickies[0] & CS43130_HP_PLUG_INT) { + if (cs43130->dc_meas && !cs43130->hpload_done && + !work_busy(&cs43130->work)) { + dev_dbg(component->dev, "HP load queue work\n"); + queue_work(cs43130->wq, &cs43130->work); + } + + snd_soc_jack_report(&cs43130->jack, SND_JACK_MECHANICAL, + CS43130_JACK_MASK); + return IRQ_HANDLED; + } + + return IRQ_NONE; +} + +static int cs43130_probe(struct snd_soc_component *component) +{ + int ret; + struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component); + struct snd_soc_card *card = component->card; + unsigned int reg; + + cs43130->component = component; + + if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) { + regmap_update_bits(cs43130->regmap, CS43130_CRYSTAL_SET, + CS43130_XTAL_IBIAS_MASK, + cs43130->xtal_ibias); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_ERR_INT, 0); + } + + ret = snd_soc_card_jack_new(card, "Headphone", CS43130_JACK_MASK, + &cs43130->jack, NULL, 0); + if (ret < 0) { + dev_err(component->dev, "Cannot create jack\n"); + return ret; + } + + cs43130->hpload_done = false; + if (cs43130->dc_meas) { + ret = sysfs_create_groups(&component->dev->kobj, hpload_groups); + if (ret) + return ret; + + cs43130->wq = create_singlethread_workqueue("cs43130_hp"); + if (!cs43130->wq) { + sysfs_remove_groups(&component->dev->kobj, hpload_groups); + return -ENOMEM; + } + INIT_WORK(&cs43130->work, cs43130_imp_meas); + } + + regmap_read(cs43130->regmap, CS43130_INT_STATUS_1, ®); + regmap_read(cs43130->regmap, CS43130_HP_STATUS, ®); + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT, 0); + regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT, + CS43130_HP_DETECT_CTRL_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT, + CS43130_HP_DETECT_CTRL_MASK, + CS43130_HP_DETECT_CTRL_MASK); + + return 0; +} + +static struct snd_soc_component_driver soc_component_dev_cs43130 = { + .probe = cs43130_probe, + .controls = cs43130_snd_controls, + .num_controls = ARRAY_SIZE(cs43130_snd_controls), + .set_sysclk = cs43130_component_set_sysclk, + .set_pll = cs43130_set_pll, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + +static const struct regmap_config cs43130_regmap = { + .reg_bits = 24, + .pad_bits = 8, + .val_bits = 8, + + .max_register = CS43130_LASTREG, + .reg_defaults = cs43130_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(cs43130_reg_defaults), + .readable_reg = cs43130_readable_register, + .precious_reg = cs43130_precious_register, + .volatile_reg = cs43130_volatile_register, + .cache_type = REGCACHE_RBTREE, + .use_single_rw = true, /* needed for regcache_sync */ +}; + +static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = { + 50, + 120, +}; + +static int cs43130_handle_device_data(struct i2c_client *i2c_client, + struct cs43130_private *cs43130) +{ + struct device_node *np = i2c_client->dev.of_node; + unsigned int val; + int i; + + if (of_property_read_u32(np, "cirrus,xtal-ibias", &val) < 0) { + /* Crystal is unused. System clock is used for external MCLK */ + cs43130->xtal_ibias = CS43130_XTAL_UNUSED; + return 0; + } + + switch (val) { + case 1: + cs43130->xtal_ibias = CS43130_XTAL_IBIAS_7_5UA; + break; + case 2: + cs43130->xtal_ibias = CS43130_XTAL_IBIAS_12_5UA; + break; + case 3: + cs43130->xtal_ibias = CS43130_XTAL_IBIAS_15UA; + break; + default: + dev_err(&i2c_client->dev, + "Invalid cirrus,xtal-ibias value: %d\n", val); + return -EINVAL; + } + + cs43130->dc_meas = of_property_read_bool(np, "cirrus,dc-measure"); + cs43130->ac_meas = of_property_read_bool(np, "cirrus,ac-measure"); + + if (of_property_read_u16_array(np, "cirrus,ac-freq", cs43130->ac_freq, + CS43130_AC_FREQ) < 0) { + for (i = 0; i < CS43130_AC_FREQ; i++) + cs43130->ac_freq[i] = cs43130_ac_freq[i]; + } + + if (of_property_read_u16_array(np, "cirrus,dc-threshold", + cs43130->dc_threshold, + CS43130_DC_THRESHOLD) < 0) { + for (i = 0; i < CS43130_DC_THRESHOLD; i++) + cs43130->dc_threshold[i] = cs43130_dc_threshold[i]; + } + + return 0; +} + +static int cs43130_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct cs43130_private *cs43130; + int ret; + unsigned int devid = 0; + unsigned int reg; + int i; + + cs43130 = devm_kzalloc(&client->dev, sizeof(*cs43130), GFP_KERNEL); + if (!cs43130) + return -ENOMEM; + + i2c_set_clientdata(client, cs43130); + + cs43130->regmap = devm_regmap_init_i2c(client, &cs43130_regmap); + if (IS_ERR(cs43130->regmap)) { + ret = PTR_ERR(cs43130->regmap); + return ret; + } + + if (client->dev.of_node) { + ret = cs43130_handle_device_data(client, cs43130); + if (ret != 0) + return ret; + } + for (i = 0; i < ARRAY_SIZE(cs43130->supplies); i++) + cs43130->supplies[i].supply = cs43130_supply_names[i]; + + ret = devm_regulator_bulk_get(&client->dev, + ARRAY_SIZE(cs43130->supplies), + cs43130->supplies); + if (ret != 0) { + dev_err(&client->dev, "Failed to request supplies: %d\n", ret); + return ret; + } + ret = regulator_bulk_enable(ARRAY_SIZE(cs43130->supplies), + cs43130->supplies); + if (ret != 0) { + dev_err(&client->dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + + cs43130->reset_gpio = devm_gpiod_get_optional(&client->dev, + "reset", GPIOD_OUT_LOW); + if (IS_ERR(cs43130->reset_gpio)) + return PTR_ERR(cs43130->reset_gpio); + + gpiod_set_value_cansleep(cs43130->reset_gpio, 1); + + usleep_range(2000, 2050); + + ret = regmap_read(cs43130->regmap, CS43130_DEVID_AB, ®); + + devid = (reg & 0xFF) << 12; + ret = regmap_read(cs43130->regmap, CS43130_DEVID_CD, ®); + devid |= (reg & 0xFF) << 4; + ret = regmap_read(cs43130->regmap, CS43130_DEVID_E, ®); + devid |= (reg & 0xF0) >> 4; + + switch (devid) { + case CS43130_CHIP_ID: + case CS4399_CHIP_ID: + case CS43131_CHIP_ID: + case CS43198_CHIP_ID: + break; + default: + dev_err(&client->dev, + "CS43130 Device ID %X. Expected ID %X, %X, %X or %X\n", + devid, CS43130_CHIP_ID, CS4399_CHIP_ID, + CS43131_CHIP_ID, CS43198_CHIP_ID); + ret = -ENODEV; + goto err; + } + + cs43130->dev_id = devid; + ret = regmap_read(cs43130->regmap, CS43130_REV_ID, ®); + if (ret < 0) { + dev_err(&client->dev, "Get Revision ID failed\n"); + goto err; + } + + dev_info(&client->dev, + "Cirrus Logic CS43130 (%x), Revision: %02X\n", devid, + reg & 0xFF); + + mutex_init(&cs43130->clk_mutex); + + init_completion(&cs43130->xtal_rdy); + init_completion(&cs43130->pll_rdy); + init_completion(&cs43130->hpload_evt); + + ret = devm_request_threaded_irq(&client->dev, client->irq, + NULL, cs43130_irq_thread, + IRQF_ONESHOT | IRQF_TRIGGER_LOW, + "cs43130", cs43130); + if (ret != 0) { + dev_err(&client->dev, "Failed to request IRQ: %d\n", ret); + return ret; + } + + cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO; + + pm_runtime_set_autosuspend_delay(&client->dev, 100); + pm_runtime_use_autosuspend(&client->dev); + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + + switch (cs43130->dev_id) { + case CS43130_CHIP_ID: + case CS43131_CHIP_ID: + memcpy(all_hp_widgets, digital_hp_widgets, + sizeof(digital_hp_widgets)); + memcpy(all_hp_widgets + ARRAY_SIZE(digital_hp_widgets), + analog_hp_widgets, sizeof(analog_hp_widgets)); + memcpy(all_hp_routes, digital_hp_routes, + sizeof(digital_hp_routes)); + memcpy(all_hp_routes + ARRAY_SIZE(digital_hp_routes), + analog_hp_routes, sizeof(analog_hp_routes)); + + soc_component_dev_cs43130.dapm_widgets = + all_hp_widgets; + soc_component_dev_cs43130.num_dapm_widgets = + ARRAY_SIZE(all_hp_widgets); + soc_component_dev_cs43130.dapm_routes = + all_hp_routes; + soc_component_dev_cs43130.num_dapm_routes = + ARRAY_SIZE(all_hp_routes); + break; + case CS43198_CHIP_ID: + case CS4399_CHIP_ID: + soc_component_dev_cs43130.dapm_widgets = + digital_hp_widgets; + soc_component_dev_cs43130.num_dapm_widgets = + ARRAY_SIZE(digital_hp_widgets); + soc_component_dev_cs43130.dapm_routes = + digital_hp_routes; + soc_component_dev_cs43130.num_dapm_routes = + ARRAY_SIZE(digital_hp_routes); + break; + } + + ret = devm_snd_soc_register_component(&client->dev, + &soc_component_dev_cs43130, + cs43130_dai, ARRAY_SIZE(cs43130_dai)); + if (ret < 0) { + dev_err(&client->dev, + "snd_soc_register_component failed with ret = %d\n", ret); + goto err; + } + + regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG, + CS43130_ASP_3ST_MASK, 0); + regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG, + CS43130_XSP_3ST_MASK, 0); + + return 0; +err: + return ret; +} + +static int cs43130_i2c_remove(struct i2c_client *client) +{ + struct cs43130_private *cs43130 = i2c_get_clientdata(client); + + if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_ERR_INT, + 1 << CS43130_XTAL_ERR_INT_SHIFT); + + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT, + CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT); + + if (cs43130->dc_meas) { + cancel_work_sync(&cs43130->work); + flush_workqueue(cs43130->wq); + + device_remove_file(&client->dev, &dev_attr_hpload_dc_l); + device_remove_file(&client->dev, &dev_attr_hpload_dc_r); + device_remove_file(&client->dev, &dev_attr_hpload_ac_l); + device_remove_file(&client->dev, &dev_attr_hpload_ac_r); + } + + gpiod_set_value_cansleep(cs43130->reset_gpio, 0); + + pm_runtime_disable(&client->dev); + regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies); + + return 0; +} + +static int __maybe_unused cs43130_runtime_suspend(struct device *dev) +{ + struct cs43130_private *cs43130 = dev_get_drvdata(dev); + + if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_ERR_INT, + 1 << CS43130_XTAL_ERR_INT_SHIFT); + + regcache_cache_only(cs43130->regmap, true); + regcache_mark_dirty(cs43130->regmap); + + gpiod_set_value_cansleep(cs43130->reset_gpio, 0); + + regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies); + + return 0; +} + +static int __maybe_unused cs43130_runtime_resume(struct device *dev) +{ + struct cs43130_private *cs43130 = dev_get_drvdata(dev); + int ret; + + ret = regulator_bulk_enable(CS43130_NUM_SUPPLIES, cs43130->supplies); + if (ret != 0) { + dev_err(dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + + regcache_cache_only(cs43130->regmap, false); + + gpiod_set_value_cansleep(cs43130->reset_gpio, 1); + + usleep_range(2000, 2050); + + ret = regcache_sync(cs43130->regmap); + if (ret != 0) { + dev_err(dev, "Failed to restore register cache\n"); + goto err; + } + + if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) + regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1, + CS43130_XTAL_ERR_INT, 0); + + return 0; +err: + regcache_cache_only(cs43130->regmap, true); + regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies); + + return ret; +} + +static const struct dev_pm_ops cs43130_runtime_pm = { + SET_RUNTIME_PM_OPS(cs43130_runtime_suspend, cs43130_runtime_resume, + NULL) +}; + +static const struct of_device_id cs43130_of_match[] = { + {.compatible = "cirrus,cs43130",}, + {.compatible = "cirrus,cs4399",}, + {.compatible = "cirrus,cs43131",}, + {.compatible = "cirrus,cs43198",}, + {}, +}; + +MODULE_DEVICE_TABLE(of, cs43130_of_match); + +static const struct i2c_device_id cs43130_i2c_id[] = { + {"cs43130", 0}, + {"cs4399", 0}, + {"cs43131", 0}, + {"cs43198", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, cs43130_i2c_id); + +static struct i2c_driver cs43130_i2c_driver = { + .driver = { + .name = "cs43130", + .of_match_table = cs43130_of_match, + .pm = &cs43130_runtime_pm, + }, + .id_table = cs43130_i2c_id, + .probe = cs43130_i2c_probe, + .remove = cs43130_i2c_remove, +}; + +module_i2c_driver(cs43130_i2c_driver); + +MODULE_AUTHOR("Li Xu <li.xu@cirrus.com>"); +MODULE_DESCRIPTION("Cirrus Logic CS43130 ALSA SoC Codec Driver"); +MODULE_LICENSE("GPL"); |