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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2//
3// rt-sdw-common.h
4//
5// Copyright(c) 2024 Realtek Semiconductor Corp.
6//
7
8/*
9 * This file defines common functions used with Realtek soundwire codecs.
10 */
11
12#ifndef __RT_SDW_COMMON_H__
13#define __RT_SDW_COMMON_H__
14
15#define SDCA_NUM_JACK_CODEC 0x01
16#define SDCA_NUM_MIC_ARRAY 0x02
17#define SDCA_NUM_HID 0x03
18#define SDCA_NUM_AMP 0x04
19#define RT_SDCA_CTL_SELECTED_MODE 0x01
20#define RT_SDCA_CTL_DETECTED_MODE 0x02
21#define RT_SDCA_CTL_HIDTX_CURRENT_OWNER 0x10
22#define RT_SDCA_CTL_HIDTX_MESSAGE_OFFSET 0x12
23
24struct rt_sdca_dmic_kctrl_priv {
25 unsigned int reg_base;
26 unsigned int count;
27 unsigned int max;
28 unsigned int invert;
29};
30
31#define RT_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \
32 ((unsigned long)&(struct rt_sdca_dmic_kctrl_priv) \
33 {.reg_base = xreg_base, .count = xcount, .max = xmax, \
34 .invert = xinvert})
35
36#define RT_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount, \
37 xinfo, xget, xput) \
38{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
39 .info = xinfo, \
40 .get = xget, \
41 .put = xput, \
42 .private_value = RT_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)}
43
44#define RT_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\
45 xhandler_put, xcount, xmax, tlv_array, xinfo) \
46{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
47 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
48 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
49 .tlv.p = (tlv_array), \
50 .info = xinfo, \
51 .get = xhandler_get, .put = xhandler_put, \
52 .private_value = RT_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) }
53
54
55int rt_sdca_index_write(struct regmap *map, unsigned int nid,
56 unsigned int reg, unsigned int value);
57int rt_sdca_index_read(struct regmap *map, unsigned int nid,
58 unsigned int reg, unsigned int *value);
59int rt_sdca_index_update_bits(struct regmap *map,
60 unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val);
61int rt_sdca_btn_type(unsigned char *buffer);
62int rt_sdca_headset_detect(struct regmap *map, unsigned int entity_id);
63int rt_sdca_button_detect(struct regmap *map, unsigned int entity_id,
64 unsigned int hid_buf_addr, unsigned int hid_id);
65
66#endif /* __RT_SDW_COMMON_H__ */