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 | |