1/* SPDX-License-Identifier: GPL-2.0 */ 2// 3// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier 4// 5// Copyright (C) 2022 - 2023 Texas Instruments Incorporated 6// https://www.ti.com 7// 8// The TAS2781 driver implements a flexible and configurable 9// algo coefficient setting for one, two, or even multiple 10// TAS2781 chips. 11// 12// Author: Shenghao Ding <shenghao-ding@ti.com> 13// Author: Kevin Lu <kevin-lu@ti.com> 14// 15 16#ifndef __TAS2781_H__ 17#define __TAS2781_H__ 18 19#include "tas2781-dsp.h" 20 21/* version number */ 22#define TAS2781_DRV_VER 1 23#define SMARTAMP_MODULE_NAME "tas2781" 24#define TAS2781_GLOBAL_ADDR 0x40 25#define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\ 26 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\ 27 SNDRV_PCM_RATE_88200) 28 29#define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ 30 SNDRV_PCM_FMTBIT_S24_LE | \ 31 SNDRV_PCM_FMTBIT_S32_LE) 32 33/*PAGE Control Register (available in page0 of each book) */ 34#define TASDEVICE_PAGE_SELECT 0x00 35#define TASDEVICE_BOOKCTL_PAGE 0x00 36#define TASDEVICE_BOOKCTL_REG 127 37#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128)) 38#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128) 39#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128) 40#define TASDEVICE_PGRG(reg) (reg % (256 * 128)) 41#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \ 42 (page * 128)) + reg) 43 44/*Software Reset */ 45#define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x01) 46#define TAS2781_REG_SWRESET_RESET BIT(0) 47 48/*I2C Checksum */ 49#define TASDEVICE_I2CChecksum TASDEVICE_REG(0x0, 0x0, 0x7E) 50 51/* Volume control */ 52#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A) 53#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03) 54#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1) 55 56#define TASDEVICE_CMD_SING_W 0x1 57#define TASDEVICE_CMD_BURST 0x2 58#define TASDEVICE_CMD_DELAY 0x3 59#define TASDEVICE_CMD_FIELD_W 0x4 60 61enum audio_device { 62 TAS2781 = 0, 63}; 64 65enum device_catlog_id { 66 LENOVO = 0, 67 OTHERS 68}; 69 70struct tasdevice { 71 struct tasdevice_fw *cali_data_fmw; 72 unsigned int dev_addr; 73 unsigned int err_code; 74 unsigned char cur_book; 75 short cur_prog; 76 short cur_conf; 77 bool is_loading; 78 bool is_loaderr; 79}; 80 81struct tasdevice_irqinfo { 82 int irq_gpio; 83 int irq; 84}; 85 86struct calidata { 87 unsigned char *data; 88 unsigned long total_sz; 89}; 90 91struct tasdevice_priv { 92 struct tasdevice tasdevice[TASDEVICE_MAX_CHANNELS]; 93 struct tasdevice_irqinfo irq_info; 94 struct tasdevice_rca rcabin; 95 struct calidata cali_data; 96 struct tasdevice_fw *fmw; 97 struct gpio_desc *reset; 98 struct mutex codec_lock; 99 struct regmap *regmap; 100 struct device *dev; 101 struct tm tm; 102 103 enum device_catlog_id catlog_id; 104 const char *acpi_subsystem_id; 105 unsigned char cal_binaryname[TASDEVICE_MAX_CHANNELS][64]; 106 unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE]; 107 unsigned char coef_binaryname[64]; 108 unsigned char rca_binaryname[64]; 109 unsigned char dev_name[32]; 110 unsigned char ndev; 111 unsigned int magic_num; 112 unsigned int chip_id; 113 unsigned int sysclk; 114 115 int cur_prog; 116 int cur_conf; 117 int fw_state; 118 int index; 119 void *client; 120 void *codec; 121 bool force_fwload_status; 122 bool playback_started; 123 bool isacpi; 124 int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv, 125 const struct firmware *fmw, int offset); 126 int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv, 127 struct tasdevice_fw *tas_fmw, 128 const struct firmware *fmw, int offset); 129 int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv, 130 struct tasdevice_fw *tas_fmw, 131 const struct firmware *fmw, int offset); 132 int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv, 133 struct tasdev_blk *block); 134 135 int (*save_calibration)(struct tasdevice_priv *tas_priv); 136 void (*apply_calibration)(struct tasdevice_priv *tas_priv); 137}; 138 139void tas2781_reset(struct tasdevice_priv *tas_dev); 140int tascodec_init(struct tasdevice_priv *tas_priv, void *codec, 141 struct module *module, 142 void (*cont)(const struct firmware *fw, void *context)); 143struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c); 144int tasdevice_init(struct tasdevice_priv *tas_priv); 145void tasdevice_remove(struct tasdevice_priv *tas_priv); 146int tasdevice_save_calibration(struct tasdevice_priv *tas_priv); 147void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv); 148int tasdevice_dev_read(struct tasdevice_priv *tas_priv, 149 unsigned short chn, unsigned int reg, unsigned int *value); 150int tasdevice_dev_write(struct tasdevice_priv *tas_priv, 151 unsigned short chn, unsigned int reg, unsigned int value); 152int tasdevice_dev_bulk_write( 153 struct tasdevice_priv *tas_priv, unsigned short chn, 154 unsigned int reg, unsigned char *p_data, unsigned int n_length); 155int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_priv, 156 unsigned short chn, unsigned int reg, unsigned char *p_data, 157 unsigned int n_length); 158int tasdevice_dev_update_bits( 159 struct tasdevice_priv *tasdevice, unsigned short chn, 160 unsigned int reg, unsigned int mask, unsigned int value); 161int tasdevice_amp_putvol(struct tasdevice_priv *tas_priv, 162 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 163int tasdevice_amp_getvol(struct tasdevice_priv *tas_priv, 164 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 165int tasdevice_digital_putvol(struct tasdevice_priv *tas_priv, 166 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 167int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv, 168 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 169 170#endif /* __TAS2781_H__ */ 171