sound/soc/codecs/rt1316-sdw.h

   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         struct sdw_bus_params params;
  46         bool hw_init;
  47         bool first_hw_init;
  48         unsigned char *bq_params;
  49         unsigned int bq_params_cnt;
  50 };
  51
  52 #endif /* __RT1316_SDW_H__ */