diff options
Diffstat (limited to 'sound/pci/hda/tas2781-spi.h')
| -rw-r--r-- | sound/pci/hda/tas2781-spi.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/sound/pci/hda/tas2781-spi.h b/sound/pci/hda/tas2781-spi.h new file mode 100644 index 000000000000..ecfc3c8bb821 --- /dev/null +++ b/sound/pci/hda/tas2781-spi.h @@ -0,0 +1,158 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier +// +// Copyright (C) 2024 Texas Instruments Incorporated +// https://www.ti.com +// +// The TAS2781 driver implements a flexible and configurable +// algo coefficient setting for TAS2781 chips. +// +// Author: Baojun Xu <baojun.xu@ti.com> +// + +#ifndef __TAS2781_SPI_H__ +#define __TAS2781_SPI_H__ + +#define TASDEVICE_RATES \ + (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_88200) + +#define TASDEVICE_FORMATS \ + (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + +#define TASDEVICE_MAX_BOOK_NUM 256 +#define TASDEVICE_MAX_PAGE 256 + +#define TASDEVICE_MAX_SIZE (TASDEVICE_MAX_BOOK_NUM * TASDEVICE_MAX_PAGE) + +/* PAGE Control Register (available in page0 of each book) */ +#define TASDEVICE_PAGE_SELECT 0x00 +#define TASDEVICE_BOOKCTL_PAGE 0x00 +#define TASDEVICE_BOOKCTL_REG GENMASK(7, 1) +#define TASDEVICE_BOOK_ID(reg) (((reg) & GENMASK(24, 16)) >> 16) +#define TASDEVICE_PAGE_ID(reg) (((reg) & GENMASK(15, 8)) >> 8) +#define TASDEVICE_REG_ID(reg) (((reg) & GENMASK(7, 1)) >> 1) +#define TASDEVICE_PAGE_REG(reg) ((reg) & GENMASK(15, 1)) +#define TASDEVICE_REG(book, page, reg) \ + (((book) << 16) | ((page) << 8) | ((reg) << 1)) + +/* Software Reset */ +#define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0x0, 0x01) +#define TAS2781_REG_SWRESET_RESET BIT(0) + +/* System Reset Check Register */ +#define TAS2781_REG_CLK_CONFIG TASDEVICE_REG(0x0, 0x0, 0x5c) +#define TAS2781_REG_CLK_CONFIG_RESET (0x19) +#define TAS2781_PRE_POST_RESET_CFG 3 + +/* Block Checksum */ +#define TASDEVICE_CHECKSUM TASDEVICE_REG(0x0, 0x0, 0x7e) + +/* Volume control */ +#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1a) +#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03) +#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1) + +#define TASDEVICE_CMD_SING_W 0x1 +#define TASDEVICE_CMD_BURST 0x2 +#define TASDEVICE_CMD_DELAY 0x3 +#define TASDEVICE_CMD_FIELD_W 0x4 + +#define TAS2781_SPI_MAX_FREQ (4 * HZ_PER_MHZ) + +#define TASDEVICE_CRC8_POLYNOMIAL 0x4d +#define TASDEVICE_SPEAKER_CALIBRATION_SIZE 20 + +/* Flag of calibration registers address. */ +#define TASDEVICE_CALIBRATION_REG_ADDRESS BIT(7) + +#define TASDEVICE_CALIBRATION_DATA_NAME L"CALI_DATA" +#define TASDEVICE_CALIBRATION_DATA_SIZE 256 + +enum calib_data { + R0_VAL = 0, + INV_R0, + R0LOW, + POWER, + TLIM, + CALIB_MAX +}; + +struct tasdevice_priv { + struct tasdevice_fw *cali_data_fmw; + struct tasdevice_rca rcabin; + struct tasdevice_fw *fmw; + struct gpio_desc *reset; + struct mutex codec_lock; + struct regmap *regmap; + struct device *dev; + struct tm tm; + + unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE]; + unsigned char coef_binaryname[64]; + unsigned char rca_binaryname[64]; + unsigned char dev_name[32]; + + bool force_fwload_status; + bool playback_started; + bool is_loading; + bool is_loaderr; + unsigned int cali_reg_array[CALIB_MAX]; + unsigned int cali_data[CALIB_MAX]; + unsigned int err_code; + void *codec; + int cur_book; + int cur_prog; + int cur_conf; + int fw_state; + int index; + int irq; + + int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv, + const struct firmware *fmw, + int offset); + int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset); + int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, + int offset); + int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv, + struct tasdev_blk *block); + + int (*save_calibration)(struct tasdevice_priv *tas_priv); + void (*apply_calibration)(struct tasdevice_priv *tas_priv); +}; + +int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int *value); +int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned int value); +int tasdevice_spi_dev_bulk_write(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned char *p_data, + unsigned int n_length); +int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv, + unsigned int reg, unsigned char *p_data, + unsigned int n_length); +int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tasdevice, + unsigned int reg, unsigned int mask, + unsigned int value); + +void tasdevice_spi_select_cfg_blk(void *context, int conf_no, + unsigned char block_type); +void tasdevice_spi_config_info_remove(void *context); +int tasdevice_spi_dsp_parser(void *context); +int tasdevice_spi_rca_parser(void *context, const struct firmware *fmw); +void tasdevice_spi_dsp_remove(void *context); +void tasdevice_spi_calbin_remove(void *context); +int tasdevice_spi_select_tuningprm_cfg(void *context, int prm, int cfg_no, + int rca_conf_no); +int tasdevice_spi_prmg_load(void *context, int prm_no); +int tasdevice_spi_prmg_calibdata_load(void *context, int prm_no); +void tasdevice_spi_tuning_switch(void *context, int state); +int tas2781_spi_load_calibration(void *context, char *file_name, + unsigned short i); +#endif /* __TAS2781_SPI_H__ */ |