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Diffstat (limited to 'sound/soc/codecs/cs35l45.h')
| -rw-r--r-- | sound/soc/codecs/cs35l45.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l45.h b/sound/soc/codecs/cs35l45.h new file mode 100644 index 000000000000..53fe9d2b7b15 --- /dev/null +++ b/sound/soc/codecs/cs35l45.h @@ -0,0 +1,217 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * cs35l45.h - CS35L45 ALSA SoC audio driver + * + * Copyright 2019-2022 Cirrus Logic, Inc. + * + * Author: James Schulman <james.schulman@cirrus.com> + * + */ + +#ifndef CS35L45_H +#define CS35L45_H + +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> + +#define CS35L45_DEVID 0x00000000 +#define CS35L45_REVID 0x00000004 +#define CS35L45_RELID 0x0000000C +#define CS35L45_OTPID 0x00000010 +#define CS35L45_SFT_RESET 0x00000020 +#define CS35L45_GLOBAL_ENABLES 0x00002014 +#define CS35L45_BLOCK_ENABLES 0x00002018 +#define CS35L45_BLOCK_ENABLES2 0x0000201C +#define CS35L45_ERROR_RELEASE 0x00002034 +#define CS35L45_REFCLK_INPUT 0x00002C04 +#define CS35L45_GLOBAL_SAMPLE_RATE 0x00002C0C +#define CS35L45_BOOST_CCM_CFG 0x00003808 +#define CS35L45_BOOST_DCM_CFG 0x0000380C +#define CS35L45_BOOST_OV_CFG 0x0000382C +#define CS35L45_ASP_ENABLES1 0x00004800 +#define CS35L45_ASP_CONTROL1 0x00004804 +#define CS35L45_ASP_CONTROL2 0x00004808 +#define CS35L45_ASP_CONTROL3 0x0000480C +#define CS35L45_ASP_FRAME_CONTROL1 0x00004810 +#define CS35L45_ASP_FRAME_CONTROL2 0x00004814 +#define CS35L45_ASP_FRAME_CONTROL5 0x00004820 +#define CS35L45_ASP_DATA_CONTROL1 0x00004830 +#define CS35L45_ASP_DATA_CONTROL5 0x00004840 +#define CS35L45_DACPCM1_INPUT 0x00004C00 +#define CS35L45_ASPTX1_INPUT 0x00004C20 +#define CS35L45_ASPTX2_INPUT 0x00004C24 +#define CS35L45_ASPTX3_INPUT 0x00004C28 +#define CS35L45_ASPTX4_INPUT 0x00004C2C +#define CS35L45_ASPTX5_INPUT 0x00004C30 +#define CS35L45_LDPM_CONFIG 0x00006404 +#define CS35L45_AMP_PCM_CONTROL 0x00007000 +#define CS35L45_AMP_PCM_HPF_TST 0x00007004 +#define CS35L45_IRQ1_EINT_4 0x0000E01C +#define CS35L45_LASTREG 0x0000E01C + +/* SFT_RESET */ +#define CS35L45_SOFT_RESET_TRIGGER 0x5A000000 + +/* GLOBAL_ENABLES */ +#define CS35L45_GLOBAL_EN_SHIFT 0 +#define CS35L45_GLOBAL_EN_MASK BIT(0) + +/* BLOCK_ENABLES */ +#define CS35L45_IMON_EN_SHIFT 13 +#define CS35L45_VMON_EN_SHIFT 12 +#define CS35L45_VDD_BSTMON_EN_SHIFT 9 +#define CS35L45_VDD_BATTMON_EN_SHIFT 8 +#define CS35L45_BST_EN_SHIFT 4 +#define CS35L45_BST_EN_MASK GENMASK(5, 4) + +#define CS35L45_BST_DISABLE_FET_ON 0x01 + +/* BLOCK_ENABLES2 */ +#define CS35L45_ASP_EN_SHIFT 27 + +/* ERROR_RELEASE */ +#define CS35L45_GLOBAL_ERR_RLS_MASK BIT(11) + +/* REFCLK_INPUT */ +#define CS35L45_PLL_FORCE_EN_SHIFT 16 +#define CS35L45_PLL_FORCE_EN_MASK BIT(16) +#define CS35L45_PLL_OPEN_LOOP_SHIFT 11 +#define CS35L45_PLL_OPEN_LOOP_MASK BIT(11) +#define CS35L45_PLL_REFCLK_FREQ_SHIFT 5 +#define CS35L45_PLL_REFCLK_FREQ_MASK GENMASK(10, 5) +#define CS35L45_PLL_REFCLK_EN_SHIFT 4 +#define CS35L45_PLL_REFCLK_EN_MASK BIT(4) +#define CS35L45_PLL_REFCLK_SEL_SHIFT 0 +#define CS35L45_PLL_REFCLK_SEL_MASK GENMASK(2, 0) + +#define CS35L45_PLL_REFCLK_SEL_BCLK 0x0 + +/* GLOBAL_SAMPLE_RATE */ +#define CS35L45_GLOBAL_FS_SHIFT 0 +#define CS35L45_GLOBAL_FS_MASK GENMASK(4, 0) + +#define CS35L45_48P0_KHZ 0x03 +#define CS35L45_96P0_KHZ 0x04 +#define CS35L45_44P100_KHZ 0x0B +#define CS35L45_88P200_KHZ 0x0C + +/* ASP_ENABLES_1 */ +#define CS35L45_ASP_RX2_EN_SHIFT 17 +#define CS35L45_ASP_RX1_EN_SHIFT 16 +#define CS35L45_ASP_TX5_EN_SHIFT 4 +#define CS35L45_ASP_TX4_EN_SHIFT 3 +#define CS35L45_ASP_TX3_EN_SHIFT 2 +#define CS35L45_ASP_TX2_EN_SHIFT 1 +#define CS35L45_ASP_TX1_EN_SHIFT 0 + +/* ASP_CONTROL2 */ +#define CS35L45_ASP_WIDTH_RX_SHIFT 24 +#define CS35L45_ASP_WIDTH_RX_MASK GENMASK(31, 24) +#define CS35L45_ASP_WIDTH_TX_SHIFT 16 +#define CS35L45_ASP_WIDTH_TX_MASK GENMASK(23, 16) +#define CS35L45_ASP_FMT_SHIFT 8 +#define CS35L45_ASP_FMT_MASK GENMASK(10, 8) +#define CS35L45_ASP_BCLK_INV_SHIFT 6 +#define CS35L45_ASP_BCLK_INV_MASK BIT(6) +#define CS35L45_ASP_FSYNC_INV_SHIFT 2 +#define CS35L45_ASP_FSYNC_INV_MASK BIT(2) + +#define CS35l45_ASP_FMT_DSP_A 0 +#define CS35L45_ASP_FMT_I2S 2 + +/* ASP_CONTROL3 */ +#define CS35L45_ASP_DOUT_HIZ_CTRL_SHIFT 0 +#define CS35L45_ASP_DOUT_HIZ_CTRL_MASK GENMASK(1, 0) + +/* ASP_FRAME_CONTROL1 */ +#define CS35L45_ASP_TX4_SLOT_SHIFT 24 +#define CS35L45_ASP_TX4_SLOT_MASK GENMASK(29, 24) +#define CS35L45_ASP_TX3_SLOT_SHIFT 16 +#define CS35L45_ASP_TX3_SLOT_MASK GENMASK(21, 16) +#define CS35L45_ASP_TX2_SLOT_SHIFT 8 +#define CS35L45_ASP_TX2_SLOT_MASK GENMASK(13, 8) +#define CS35L45_ASP_TX1_SLOT_SHIFT 0 +#define CS35L45_ASP_TX1_SLOT_MASK GENMASK(5, 0) + +#define CS35L45_ASP_TX_ALL_SLOTS (CS35L45_ASP_TX4_SLOT_MASK | \ + CS35L45_ASP_TX3_SLOT_MASK | \ + CS35L45_ASP_TX2_SLOT_MASK | \ + CS35L45_ASP_TX1_SLOT_MASK) +/* ASP_FRAME_CONTROL5 */ +#define CS35L45_ASP_RX2_SLOT_SHIFT 8 +#define CS35L45_ASP_RX2_SLOT_MASK GENMASK(13, 8) +#define CS35L45_ASP_RX1_SLOT_SHIFT 0 +#define CS35L45_ASP_RX1_SLOT_MASK GENMASK(5, 0) + +#define CS35L45_ASP_RX_ALL_SLOTS (CS35L45_ASP_RX2_SLOT_MASK | \ + CS35L45_ASP_RX1_SLOT_MASK) + +/* ASP_DATA_CONTROL1 */ +/* ASP_DATA_CONTROL5 */ +#define CS35L45_ASP_WL_SHIFT 0 +#define CS35L45_ASP_WL_MASK GENMASK(5, 0) + +/* AMP_PCM_CONTROL */ +#define CS35L45_AMP_VOL_PCM_SHIFT 0 +#define CS35L45_AMP_VOL_PCM_WIDTH 11 + +/* AMP_PCM_HPF_TST */ +#define CS35l45_HPF_DEFAULT 0x00000000 +#define CS35L45_HPF_44P1 0x000108BD +#define CS35L45_HPF_88P2 0x0001045F + +/* IRQ1_EINT_4 */ +#define CS35L45_OTP_BOOT_DONE_STS_MASK BIT(1) +#define CS35L45_OTP_BUSY_MASK BIT(0) + +/* Mixer sources */ +#define CS35L45_PCM_SRC_MASK 0x7F +#define CS35L45_PCM_SRC_ZERO 0x00 +#define CS35L45_PCM_SRC_ASP_RX1 0x08 +#define CS35L45_PCM_SRC_ASP_RX2 0x09 +#define CS35L45_PCM_SRC_VMON 0x18 +#define CS35L45_PCM_SRC_IMON 0x19 +#define CS35L45_PCM_SRC_ERR_VOL 0x20 +#define CS35L45_PCM_SRC_CLASSH_TGT 0x21 +#define CS35L45_PCM_SRC_VDD_BATTMON 0x28 +#define CS35L45_PCM_SRC_VDD_BSTMON 0x29 +#define CS35L45_PCM_SRC_TEMPMON 0x3A +#define CS35L45_PCM_SRC_INTERPOLATOR 0x40 +#define CS35L45_PCM_SRC_IL_TARGET 0x48 + +#define CS35L45_RESET_HOLD_US 2000 +#define CS35L45_RESET_US 2000 +#define CS35L45_POST_GLOBAL_EN_US 5000 +#define CS35L45_PRE_GLOBAL_DIS_US 3000 + +#define CS35L45_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_3LE| \ + SNDRV_PCM_FMTBIT_S24_LE) + +#define CS35L45_RATES (SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_88200 | \ + SNDRV_PCM_RATE_96000) + +struct cs35l45_private { + struct device *dev; + struct regmap *regmap; + struct gpio_desc *reset_gpio; + struct regulator *vdd_batt; + struct regulator *vdd_a; + bool initialized; + bool sysclk_set; + u8 slot_width; + u8 slot_count; +}; + +extern const struct dev_pm_ops cs35l45_pm_ops; +extern const struct regmap_config cs35l45_i2c_regmap; +extern const struct regmap_config cs35l45_spi_regmap; +int cs35l45_apply_patch(struct cs35l45_private *cs35l45); +unsigned int cs35l45_get_clk_freq_id(unsigned int freq); +int cs35l45_probe(struct cs35l45_private *cs35l45); +void cs35l45_remove(struct cs35l45_private *cs35l45); + +#endif /* CS35L45_H */ |