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__ */
53
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