new file mode 100644
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+//
+// ALSA SoC Texas Instruments TAS2563/TAS2781 Audio Smart Amplifier
+//
+// Copyright (C) 2024 Texas Instruments Incorporated
+// https://www.ti.com
+//
+// The TAS2781 spi 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__
+
+#include <sound/tas2781-dsp.h>
+
+/* version number */
+#define TAS2781_DRV_VER 1
+#define SMARTAMP_MODULE_NAME "tas2781"
+#define TAS2781_GLOBAL_ADDR 0x40
+#define TAS2563_GLOBAL_ADDR 0x48
+#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)
+
+/*PAGE Control Register (available in page0 of each book) */
+#define TASDEVICE_PAGE_SELECT 0x00
+#define TASDEVICE_BOOKCTL_PAGE 0x00
+#define TASDEVICE_BOOKCTL_REG 127
+#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128))
+#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128)
+#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128)
+#define TASDEVICE_PGRG(reg) (reg % (256 * 128))
+#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \
+ (page * 128)) + reg)
+
+/*Software Reset */
+#define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x01)
+#define TAS2781_REG_SWRESET_RESET BIT(0)
+
+/*I2C Checksum */
+#define TASDEVICE_I2CChecksum 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 4000000
+
+enum audio_device {
+ TAS2781,
+};
+
+enum device_catlog_id {
+ HP = 0,
+ OTHERS
+};
+
+struct tasdevice {
+ struct tasdevice_fw *cali_data_fmw;
+ unsigned int dev_addr;
+ unsigned int err_code;
+ unsigned char cur_book;
+ short cur_prog;
+ short cur_conf;
+ bool is_loading;
+ bool is_loaderr;
+};
+
+struct tasdevice_irqinfo {
+ int irq_gpio;
+ int irq;
+};
+
+struct calidata {
+ unsigned char *data;
+ unsigned long total_sz;
+};
+
+struct tasdevice_priv {
+ struct tasdevice tasdevice;
+ struct tasdevice_irqinfo irq_info;
+ struct spi_device **spi_devs;
+ struct tasdevice_rca rcabin;
+ struct calidata cali_data;
+ struct tasdevice_fw *fmw;
+ struct gpio_desc *reset;
+ struct gpio_desc *chipselect;
+ struct mutex codec_lock;
+ struct regmap *regmap;
+ struct device *dev;
+ struct tm tm;
+
+ enum device_catlog_id catlog_id;
+ const char *acpi_subsystem_id;
+ unsigned char cal_binaryname[TASDEVICE_MAX_CHANNELS][64];
+ unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE];
+ unsigned char coef_binaryname[64];
+ unsigned char rca_binaryname[64];
+ unsigned char dev_name[32];
+ unsigned char ndev;
+ unsigned int magic_num;
+ unsigned int chip_id;
+ unsigned int sysclk;
+
+ int cur_prog;
+ int cur_conf;
+ int fw_state;
+ int index;
+ void *client;
+ void *codec;
+ bool force_fwload_status;
+ bool playback_started;
+ bool isacpi;
+ bool isspi;
+ unsigned int global_addr;
+
+ 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 tascodec_init(struct tasdevice_priv *tas_priv, void *codec,
+ struct module *module,
+ void (*cont)(const struct firmware *fw, void *context));
+int tasdevice_save_calibration(struct tasdevice_priv *tas_priv);
+void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv);
+void tasdevice_remove(struct tasdevice_priv *tas_priv);
+int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv,
+ unsigned short chn, unsigned int reg, unsigned int *value);
+int tasdevice_spi_dev_write(struct tasdevice_priv *tas_priv,
+ unsigned short chn, unsigned int reg, unsigned int value);
+int tasdevice_spi_dev_bulk_write(
+ struct tasdevice_priv *tas_priv, unsigned short chn,
+ unsigned int reg, unsigned char *p_data, unsigned int n_length);
+int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv,
+ unsigned short chn, unsigned int reg, unsigned char *p_data,
+ unsigned int n_length);
+int tasdevice_spi_dev_update_bits(
+ struct tasdevice_priv *tasdevice, unsigned short chn,
+ 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);
+void tasdevice_spi_dsp_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__ */
Add tas2781-spi.h for tas2781 spi driver. Signed-off-by: Baojun Xu <baojun.xu@ti.com> --- sound/pci/hda/tas2781-spi.h | 180 ++++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 sound/pci/hda/tas2781-spi.h