1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * rt1316-sdw.h -- RT1316 SDCA ALSA SoC audio driver header 4 * 5 * Copyright(c) 2021 Realtek Semiconductor Corp. 6 */ 7 8 #ifndef __RT1316_SDW_H__ 9 #define __RT1316_SDW_H__ 10 11 #include <linux/regmap.h> 12 #include <linux/soundwire/sdw.h> 13 #include <linux/soundwire/sdw_type.h> 14 #include <linux/soundwire/sdw_registers.h> 15 #include <sound/soc.h> 16 17 /* RT1316 SDCA Control - function number */ 18 #define FUNC_NUM_SMART_AMP 0x04 19 20 /* RT1316 SDCA entity */ 21 #define RT1316_SDCA_ENT_PDE23 0x31 22 #define RT1316_SDCA_ENT_PDE27 0x32 23 #define RT1316_SDCA_ENT_PDE22 0x33 24 #define RT1316_SDCA_ENT_PDE24 0x34 25 #define RT1316_SDCA_ENT_XU24 0x24 26 #define RT1316_SDCA_ENT_FU21 0x03 27 #define RT1316_SDCA_ENT_UDMPU21 0x02 28 29 /* RT1316 SDCA control */ 30 #define RT1316_SDCA_CTL_SAMPLE_FREQ_INDEX 0x10 31 #define RT1316_SDCA_CTL_REQ_POWER_STATE 0x01 32 #define RT1316_SDCA_CTL_BYPASS 0x01 33 #define RT1316_SDCA_CTL_FU_MUTE 0x01 34 #define RT1316_SDCA_CTL_FU_VOLUME 0x02 35 #define RT1316_SDCA_CTL_UDMPU_CLUSTER 0x10 36 37 /* RT1316 SDCA channel */ 38 #define CH_L 0x01 39 #define CH_R 0x02 40 41 struct rt1316_sdw_priv { 42 struct snd_soc_component *component; 43 struct regmap *regmap; 44 struct sdw_slave *sdw_slave; 45 enum sdw_slave_status status; 46 struct sdw_bus_params params; 47 bool hw_init; 48 bool first_hw_init; 49 unsigned char *bq_params; 50 unsigned int bq_params_cnt; 51 }; 52 53 #endif /* __RT1316_SDW_H__ */ 54