1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * rt1318-sdw.h -- RT1318 SDCA ALSA SoC audio driver header
4 *
5 * Copyright(c) 2022 Realtek Semiconductor Corp.
6 */
7
8#ifndef __RT1318_SDW_H__
9#define __RT1318_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/* imp-defined registers */
18#define RT1318_SAPU_SM 0x3203
19
20#define R1318_TCON 0xc203
21#define R1318_TCON_RELATED_1 0xc206
22
23#define R1318_SPK_TEMPERATRUE_PROTECTION_0 0xdb00
24#define R1318_SPK_TEMPERATRUE_PROTECTION_L_4 0xdb08
25#define R1318_SPK_TEMPERATRUE_PROTECTION_R_4 0xdd08
26
27#define R1318_SPK_TEMPERATRUE_PROTECTION_L_6 0xdb12
28#define R1318_SPK_TEMPERATRUE_PROTECTION_R_6 0xdd12
29
30#define RT1318_INIT_RECIPROCAL_REG_L_24 0xdbb5
31#define RT1318_INIT_RECIPROCAL_REG_L_23_16 0xdbb6
32#define RT1318_INIT_RECIPROCAL_REG_L_15_8 0xdbb7
33#define RT1318_INIT_RECIPROCAL_REG_L_7_0 0xdbb8
34#define RT1318_INIT_RECIPROCAL_REG_R_24 0xddb5
35#define RT1318_INIT_RECIPROCAL_REG_R_23_16 0xddb6
36#define RT1318_INIT_RECIPROCAL_REG_R_15_8 0xddb7
37#define RT1318_INIT_RECIPROCAL_REG_R_7_0 0xddb8
38
39#define RT1318_INIT_R0_RECIPROCAL_SYN_L_24 0xdbc5
40#define RT1318_INIT_R0_RECIPROCAL_SYN_L_23_16 0xdbc6
41#define RT1318_INIT_R0_RECIPROCAL_SYN_L_15_8 0xdbc7
42#define RT1318_INIT_R0_RECIPROCAL_SYN_L_7_0 0xdbc8
43#define RT1318_INIT_R0_RECIPROCAL_SYN_R_24 0xddc5
44#define RT1318_INIT_R0_RECIPROCAL_SYN_R_23_16 0xddc6
45#define RT1318_INIT_R0_RECIPROCAL_SYN_R_15_8 0xddc7
46#define RT1318_INIT_R0_RECIPROCAL_SYN_R_7_0 0xddc8
47
48#define RT1318_R0_COMPARE_FLAG_L 0xdb35
49#define RT1318_R0_COMPARE_FLAG_R 0xdd35
50
51#define RT1318_STP_INITIAL_RS_TEMP_H 0xdd93
52#define RT1318_STP_INITIAL_RS_TEMP_L 0xdd94
53
54/* RT1318 SDCA Control - function number */
55#define FUNC_NUM_SMART_AMP 0x04
56
57/* RT1318 SDCA entity */
58#define RT1318_SDCA_ENT_PDE23 0x31
59#define RT1318_SDCA_ENT_XU24 0x24
60#define RT1318_SDCA_ENT_FU21 0x03
61#define RT1318_SDCA_ENT_UDMPU21 0x02
62#define RT1318_SDCA_ENT_CS21 0x21
63#define RT1318_SDCA_ENT_SAPU 0x29
64
65/* RT1318 SDCA control */
66#define RT1318_SDCA_CTL_SAMPLE_FREQ_INDEX 0x10
67#define RT1318_SDCA_CTL_REQ_POWER_STATE 0x01
68#define RT1318_SDCA_CTL_FU_MUTE 0x01
69#define RT1318_SDCA_CTL_FU_VOLUME 0x02
70#define RT1318_SDCA_CTL_UDMPU_CLUSTER 0x10
71#define RT1318_SDCA_CTL_SAPU_PROTECTION_MODE 0x10
72#define RT1318_SDCA_CTL_SAPU_PROTECTION_STATUS 0x11
73
74/* RT1318 SDCA channel */
75#define CH_L 0x01
76#define CH_R 0x02
77
78/* sample frequency index */
79#define RT1318_SDCA_RATE_16000HZ 0x04
80#define RT1318_SDCA_RATE_32000HZ 0x07
81#define RT1318_SDCA_RATE_44100HZ 0x08
82#define RT1318_SDCA_RATE_48000HZ 0x09
83#define RT1318_SDCA_RATE_96000HZ 0x0b
84#define RT1318_SDCA_RATE_192000HZ 0x0d
85
86
87struct rt1318_sdw_priv {
88 struct snd_soc_component *component;
89 struct regmap *regmap;
90 struct sdw_slave *sdw_slave;
91 struct sdw_bus_params params;
92 bool hw_init;
93 bool first_hw_init;
94};
95
96#endif /* __RT1318_SDW_H__ */
97

source code of linux/sound/soc/codecs/rt1318-sdw.h