1 /* SPDX-License-Identifier: GPL-2.0 */ 2 // 3 // ALSA SoC Texas Instruments TAS2563/TAS2781 Audio Smart Amplifier 4 // 5 // Copyright (C) 2022 - 2023 Texas Instruments Incorporated 6 // https://www.ti.com 7 // 8 // The TAS2563/TAS2781 driver implements a flexible and configurable 9 // algo coefficient setting for one, two, or even multiple 10 // TAS2563/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 TAS2563_GLOBAL_ADDR 0x48 26 #define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\ 27 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\ 28 SNDRV_PCM_RATE_88200) 29 30 #define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ 31 SNDRV_PCM_FMTBIT_S24_LE | \ 32 SNDRV_PCM_FMTBIT_S32_LE) 33 34 /*PAGE Control Register (available in page0 of each book) */ 35 #define TASDEVICE_PAGE_SELECT 0x00 36 #define TASDEVICE_BOOKCTL_PAGE 0x00 37 #define TASDEVICE_BOOKCTL_REG 127 38 #define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128)) 39 #define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128) 40 #define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128) 41 #define TASDEVICE_PGRG(reg) (reg % (256 * 128)) 42 #define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \ 43 (page * 128)) + reg) 44 45 /*Software Reset */ 46 #define TAS2781_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x01) 47 #define TAS2781_REG_SWRESET_RESET BIT(0) 48 49 /*I2C Checksum */ 50 #define TASDEVICE_I2CChecksum TASDEVICE_REG(0x0, 0x0, 0x7E) 51 52 /* Volume control */ 53 #define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A) 54 #define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03) 55 #define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1) 56 57 #define TASDEVICE_CMD_SING_W 0x1 58 #define TASDEVICE_CMD_BURST 0x2 59 #define TASDEVICE_CMD_DELAY 0x3 60 #define TASDEVICE_CMD_FIELD_W 0x4 61 62 enum audio_device { 63 TAS2563, 64 TAS2781, 65 }; 66 67 enum device_catlog_id { 68 LENOVO = 0, 69 OTHERS 70 }; 71 72 struct tasdevice { 73 struct tasdevice_fw *cali_data_fmw; 74 unsigned int dev_addr; 75 unsigned int err_code; 76 unsigned char cur_book; 77 short cur_prog; 78 short cur_conf; 79 bool is_loading; 80 bool is_loaderr; 81 }; 82 83 struct tasdevice_irqinfo { 84 int irq_gpio; 85 int irq; 86 }; 87 88 struct calidata { 89 unsigned char *data; 90 unsigned long total_sz; 91 }; 92 93 struct tasdevice_priv { 94 struct tasdevice tasdevice[TASDEVICE_MAX_CHANNELS]; 95 struct tasdevice_irqinfo irq_info; 96 struct tasdevice_rca rcabin; 97 struct calidata cali_data; 98 struct tasdevice_fw *fmw; 99 struct gpio_desc *reset; 100 struct mutex codec_lock; 101 struct regmap *regmap; 102 struct device *dev; 103 struct tm tm; 104 105 enum device_catlog_id catlog_id; 106 const char *acpi_subsystem_id; 107 unsigned char cal_binaryname[TASDEVICE_MAX_CHANNELS][64]; 108 unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE]; 109 unsigned char coef_binaryname[64]; 110 unsigned char rca_binaryname[64]; 111 unsigned char dev_name[32]; 112 unsigned char ndev; 113 unsigned int magic_num; 114 unsigned int chip_id; 115 unsigned int sysclk; 116 117 int cur_prog; 118 int cur_conf; 119 int fw_state; 120 int index; 121 void *client; 122 void *codec; 123 bool force_fwload_status; 124 bool playback_started; 125 bool isacpi; 126 unsigned int global_addr; 127 128 int (*fw_parse_variable_header)(struct tasdevice_priv *tas_priv, 129 const struct firmware *fmw, int offset); 130 int (*fw_parse_program_data)(struct tasdevice_priv *tas_priv, 131 struct tasdevice_fw *tas_fmw, 132 const struct firmware *fmw, int offset); 133 int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_priv, 134 struct tasdevice_fw *tas_fmw, 135 const struct firmware *fmw, int offset); 136 int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv, 137 struct tasdev_blk *block); 138 139 int (*save_calibration)(struct tasdevice_priv *tas_priv); 140 void (*apply_calibration)(struct tasdevice_priv *tas_priv); 141 }; 142 143 void tas2781_reset(struct tasdevice_priv *tas_dev); 144 int tascodec_init(struct tasdevice_priv *tas_priv, void *codec, 145 struct module *module, 146 void (*cont)(const struct firmware *fw, void *context)); 147 struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c); 148 int tasdevice_init(struct tasdevice_priv *tas_priv); 149 void tasdevice_remove(struct tasdevice_priv *tas_priv); 150 int tasdevice_save_calibration(struct tasdevice_priv *tas_priv); 151 void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv); 152 int tasdevice_dev_read(struct tasdevice_priv *tas_priv, 153 unsigned short chn, unsigned int reg, unsigned int *value); 154 int tasdevice_dev_write(struct tasdevice_priv *tas_priv, 155 unsigned short chn, unsigned int reg, unsigned int value); 156 int tasdevice_dev_bulk_write( 157 struct tasdevice_priv *tas_priv, unsigned short chn, 158 unsigned int reg, unsigned char *p_data, unsigned int n_length); 159 int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_priv, 160 unsigned short chn, unsigned int reg, unsigned char *p_data, 161 unsigned int n_length); 162 int tasdevice_dev_update_bits( 163 struct tasdevice_priv *tasdevice, unsigned short chn, 164 unsigned int reg, unsigned int mask, unsigned int value); 165 int tasdevice_amp_putvol(struct tasdevice_priv *tas_priv, 166 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 167 int tasdevice_amp_getvol(struct tasdevice_priv *tas_priv, 168 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 169 int tasdevice_digital_putvol(struct tasdevice_priv *tas_priv, 170 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 171 int tasdevice_digital_getvol(struct tasdevice_priv *tas_priv, 172 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc); 173 174 #endif /* __TAS2781_H__ */ 175