[v2,1/5] ASoC: tas2781: Add Header file for tas2781 driver

diff --git a/include/sound/tas2781-dsp.h b/include/sound/tas2781-dsp.h
new file mode 100644
index 000000000000..091c3ffade17
--- /dev/null
+++ b/include/sound/tas2781-dsp.h
@@ -0,0 +1,189 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+//
+// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier
+//
+// Copyright (C) 2022 - 2023 Texas Instruments Incorporated
+// https://www.ti.com
+//
+// The TAS2781 driver implements a flexible and configurable
+// algo coefficient setting for one, two, or even multiple
+// TAS2781 chips.
+//
+// Author: Shenghao Ding <shenghao-ding@ti.com>
+// Author: Kevin Lu <kevin-lu@ti.com>
+//
+
+#ifndef __TASDEVICE_DSP_H__
+#define __TASDEVICE_DSP_H__
+
+#define MAIN_ALL_DEVICES			0x0d
+#define MAIN_DEVICE_A				0x01
+#define MAIN_DEVICE_B				0x08
+#define MAIN_DEVICE_C				0x10
+#define MAIN_DEVICE_D				0x14
+#define COEFF_DEVICE_A				0x03
+#define COEFF_DEVICE_B				0x0a
+#define COEFF_DEVICE_C				0x11
+#define COEFF_DEVICE_D				0x15
+#define PRE_DEVICE_A				0x04
+#define PRE_DEVICE_B				0x0b
+#define PRE_DEVICE_C				0x12
+#define PRE_DEVICE_D				0x16
+
+#define PPC3_VERSION				0x4100
+#define RCA_CONFIGID_BYPASS_ALL			0
+#define TASDEVICE_DEVICE_SUM			8
+#define TASDEVICE_CONFIG_SUM			64
+
+enum channel {
+	top_left_Chn,
+	top_right_chn,
+	bottom_left_Chn,
+	bottom_right_chn,
+	max_chn,
+};
+
+enum tasdevice_dsp_dev_idx {
+	TASDEVICE_DSP_TAS_2555 = 0,
+	TASDEVICE_DSP_TAS_2555_STEREO,
+	TASDEVICE_DSP_TAS_2557_MONO,
+	TASDEVICE_DSP_TAS_2557_DUAL_MONO,
+	TASDEVICE_DSP_TAS_2559,
+	TASDEVICE_DSP_TAS_2563,
+	TASDEVICE_DSP_TAS_2563_DUAL_MONO = 7,
+	TASDEVICE_DSP_TAS_2563_QUAD,
+	TASDEVICE_DSP_TAS_2563_21,
+	TASDEVICE_DSP_TAS_2781,
+	TASDEVICE_DSP_TAS_2781_DUAL_MONO,
+	TASDEVICE_DSP_TAS_2781_21,
+	TASDEVICE_DSP_TAS_2781_QUAD,
+	TASDEVICE_DSP_TAS_MAX_DEVICE
+};
+
+struct tasdevice_fw_fixed_hdr {
+	unsigned int fwsize;
+	unsigned int ppcver;
+	unsigned int drv_ver;
+};
+
+struct tasdevice_dspfw_hdr {
+	struct tasdevice_fw_fixed_hdr fixed_hdr;
+	unsigned short device_family;
+	unsigned short device;
+	unsigned char ndev;
+};
+
+struct tasdev_blk {
+	int nr_retry;
+	unsigned int type;
+	unsigned char is_pchksum_present;
+	unsigned char pchksum;
+	unsigned char is_ychksum_present;
+	unsigned char ychksum;
+	unsigned int nr_cmds;
+	unsigned int blk_size;
+	unsigned int nr_subblocks;
+	unsigned char *data;
+};
+
+struct tasdevice_data {
+	char name[64];
+	unsigned int nr_blk;
+	struct tasdev_blk *dev_blks;
+};
+
+struct tasdevice_prog {
+	unsigned int prog_size;
+	struct tasdevice_data dev_data;
+};
+
+struct tasdevice_config {
+	unsigned int cfg_size;
+	char name[64];
+	struct tasdevice_data dev_data;
+};
+
+struct tasdevice_calibration {
+	struct tasdevice_data dev_data;
+};
+
+struct tasdevice_fw {
+	struct tasdevice_dspfw_hdr fw_hdr;
+	unsigned short nr_programs;
+	struct tasdevice_prog *programs;
+	unsigned short nr_configurations;
+	struct tasdevice_config *configs;
+	unsigned short nr_calibrations;
+	struct tasdevice_calibration *calibrations;
+	struct device *dev;
+};
+
+enum tasdevice_dsp_fw_state {
+	TASDEVICE_DSP_FW_NONE = 0,
+	TASDEVICE_DSP_FW_PENDING,
+	TASDEVICE_DSP_FW_FAIL,
+	TASDEVICE_DSP_FW_ALL_OK,
+};
+
+enum tasdevice_bin_blk_type {
+	TASDEVICE_BIN_BLK_COEFF = 1,
+	TASDEVICE_BIN_BLK_POST_POWER_UP,
+	TASDEVICE_BIN_BLK_PRE_SHUTDOWN,
+	TASDEVICE_BIN_BLK_PRE_POWER_UP,
+	TASDEVICE_BIN_BLK_POST_SHUTDOWN
+};
+
+struct tasdevice_rca_hdr {
+	unsigned int img_sz;
+	unsigned int checksum;
+	unsigned int binary_version_num;
+	unsigned int drv_fw_version;
+	unsigned char plat_type;
+	unsigned char dev_family;
+	unsigned char reserve;
+	unsigned char ndev;
+	unsigned char devs[TASDEVICE_DEVICE_SUM];
+	unsigned int nconfig;
+	unsigned int config_size[TASDEVICE_CONFIG_SUM];
+};
+
+struct tasdev_blk_data {
+	unsigned char dev_idx;
+	unsigned char block_type;
+	unsigned short yram_checksum;
+	unsigned int block_size;
+	unsigned int n_subblks;
+	unsigned char *regdata;
+};
+
+struct tasdevice_config_info {
+	unsigned int nblocks;
+	unsigned int real_nblocks;
+	unsigned char active_dev;
+	struct tasdev_blk_data **blk_data;
+};
+
+struct tasdevice_rca {
+	struct tasdevice_rca_hdr fw_hdr;
+	int ncfgs;
+	struct tasdevice_config_info **cfg_info;
+	int profile_cfg_id;
+};
+
+void tasdevice_select_cfg_blk(void *context, int conf_no,
+	unsigned char block_type);
+void tasdevice_config_info_remove(void *context);
+void tasdevice_dsp_remove(void *context);
+int tasdevice_dsp_parser(void *context);
+int tasdevice_rca_parser(void *context, const struct firmware *fmw);
+void tasdevice_dsp_remove(void *context);
+void tasdevice_calbin_remove(void *context);
+int tasdevice_select_tuningprm_cfg(void *context, int prm,
+	int cfg_no, int rca_conf_no);
+int tasdevice_prmg_load(void *context, int prm_no);
+int tasdevice_prmg_calibdata_load(void *context, int prm_no);
+void tasdevice_tuning_switch(void *context, int state);
+int tas2781_load_calibration(void *context, char *file_name,
+	enum channel i);
+
+#endif
diff --git a/include/sound/tas2781-tlv.h b/include/sound/tas2781-tlv.h
new file mode 100644
index 000000000000..f4310dce655a
--- /dev/null
+++ b/include/sound/tas2781-tlv.h
@@ -0,0 +1,22 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+//
+// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier
+//
+// Copyright (C) 2022 - 2023 Texas Instruments Incorporated
+// https://www.ti.com
+//
+// The TAS2781 driver implements a flexible and configurable
+// algo coefficient setting for one, two, or even multiple
+// TAS2781 chips.
+//
+// Author: Shenghao Ding <shenghao-ding@ti.com>
+// Author: Kevin Lu <kevin-lu@ti.com>
+//
+
+#ifndef __TAS2781_TLV_H__
+#define __TAS2781_TLV_H__
+
+static const DECLARE_TLV_DB_SCALE(dvc_tlv, -10000, 100, 0);
+static const DECLARE_TLV_DB_SCALE(amp_vol_tlv, 1100, 50, 0);
+
+#endif /* __TAS2781_LIB_H__ */
diff --git a/include/sound/tas2781.h b/include/sound/tas2781.h
new file mode 100644
index 000000000000..c98955bda07e
--- /dev/null
+++ b/include/sound/tas2781.h
@@ -0,0 +1,176 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+//
+// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier
+//
+// Copyright (C) 2022 - 2023 Texas Instruments Incorporated
+// https://www.ti.com
+//
+// The TAS2781 driver implements a flexible and configurable
+// algo coefficient setting for one, two, or even multiple
+// TAS2781 chips.
+//
+// Author: Shenghao Ding <shenghao-ding@ti.com>
+// Author: Kevin Lu <kevin-lu@ti.com>
+//
+
+#ifndef __TAS2781_H__
+#define __TAS2781_H__
+
+#include <linux/kernel.h>
+#include "tas2781-dsp.h"
+
+/* version number */
+#define TAS2781_DRV_VER			1
+#define SMARTAMP_MODULE_NAME		"tas2781"
+#define TAS2781_GLOBAL_ADDR	0x40
+#define TASDEVICE_RATES			(SNDRV_PCM_RATE_44100 |\
+	SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
+	SNDRV_PCM_RATE_88200)
+#define TASDEVICE_MAX_CHANNELS		8
+
+#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, 0x02)
+#define TAS2781_REG_SWRESET_RESET	BIT(0)
+
+/* Enable Global addresses */
+#define TAS2781_MISC_CFG2		TASDEVICE_REG(0x0, 0X0, 0x07)
+#define TAS2781_GLOBAL_ADDR_MASK	BIT(1)
+#define TAS2781_GLOBAL_ADDR_ENABLE	BIT(1)
+
+/*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
+
+enum audio_device {
+	TAS2781	= 0,
+};
+
+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;
+};
+
+/*
+ * This item is used to store the generic i2c address of
+ * all the tas2781 devices for I2C broadcast during the multi-device
+ * writes, useless in mono case.
+ */
+struct global_addr {
+	int ref_cnt;
+	unsigned int dev_addr;
+	unsigned char cur_book;
+};
+
+struct tasdevice_irqinfo {
+	int irq_gpio;
+	int irq;
+};
+
+struct calidata {
+	unsigned char *data;
+	unsigned long total_sz;
+};
+
+struct tasdevice_priv {
+	struct tasdevice tasdevice[max_chn];
+	struct tasdevice_irqinfo irq_info;
+	struct global_addr glb_addr;
+	struct tasdevice_rca rcabin;
+	struct tasdevice_fw *fmw;
+	struct regmap *regmap;
+	struct mutex codec_lock;
+	struct calidata cali_data;
+	struct gpio_desc *reset;
+	struct device *dev;
+	struct tm tm;
+
+	unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE];
+	unsigned char cal_binaryname[max_chn][64];
+	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;
+	const char *acpi_subsystem_id;
+	int index;
+	int cur_prog;
+	int cur_conf;
+	int fw_state;
+	void *client;
+	void *codec;
+	bool isacpi;
+	bool playback_started;
+	void (*set_global_mode)(struct tasdevice_priv *tas_priv);
+	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);
+};
+
+void tas2781_reset(struct tasdevice_priv *tas_dev);
+int tascodec_init(struct tasdevice_priv *tas_priv, void *codec,
+	void (*cont)(const struct firmware *fw, void *context));
+struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c);
+int tasdevice_init(struct tasdevice_priv *tas_priv);
+void tasdevice_remove(struct tasdevice_priv *tas_priv);
+int tasdevice_dev_read(struct tasdevice_priv *tas_priv,
+	enum channel chn, unsigned int reg, unsigned int *value);
+int tasdevice_dev_write(struct tasdevice_priv *tas_priv,
+	enum channel chn, unsigned int reg, unsigned int value);
+int tasdevice_dev_bulk_write(
+	struct tasdevice_priv *tas_priv, enum channel chn,
+	unsigned int reg, unsigned char *p_data, unsigned int n_length);
+int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_priv,
+	enum channel chn, unsigned int reg, unsigned char *p_data,
+	unsigned int n_length);
+int tasdevice_dev_update_bits(
+	struct tasdevice_priv *tasdevice, enum channel chn,
+	unsigned int reg, unsigned int mask, unsigned int value);
+int tasdevice_amp_putvol(struct tasdevice_priv *tas_priv,
+	struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
+int tasdevice_amp_getvol(struct tasdevice_priv *tas_priv,
+	struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
+int tasdevice_digital_putvol(struct tasdevice_priv *tas_priv,
+	struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
+int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv,
+	struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc);
+
+#endif /* __TAS2781_H__ */