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 41struct 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}; 50 51struct sdw_stream_data { 52 struct sdw_stream_runtime *sdw_stream; 53}; 54 55#endif /* __RT1316_SDW_H__ */ 56