summaryrefslogtreecommitdiff
path: root/src/drivers/soundwire/alc5682/alc5682.c
blob: e15ecd421ade13459987fbdde1833cb063e5336e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/* SPDX-License-Identifier: GPL-2.0-only */

#include <acpi/acpigen.h>
#include <acpi/acpi_device.h>
#include <acpi/acpi_soundwire.h>
#include <device/device.h>
#include <device/mipi_ids.h>
#include <device/path.h>
#include <device/soundwire.h>
#include <stdio.h>

#include "chip.h"

static struct soundwire_address alc5682_address = {
	.version = SOUNDWIRE_VERSION_1_1,
	.manufacturer_id = MIPI_MFG_ID_REALTEK,
	.part_id = MIPI_DEV_ID_REALTEK_ALC5682,
	.class = MIPI_CLASS_NONE
};

static struct soundwire_slave alc5682_slave = {
	.wake_up_unavailable = false,
	.test_mode_supported = false,
	.clock_stop_mode1_supported = true,
	.simplified_clockstopprepare_sm_supported = true,
	.clockstopprepare_hard_reset_behavior = false,
	.highPHY_capable = false,
	.paging_supported = false,
	.bank_delay_supported = false,
	.port15_read_behavior = false,
	.source_port_list = SOUNDWIRE_PORT(1) | SOUNDWIRE_PORT(2) |
			    SOUNDWIRE_PORT(3) | SOUNDWIRE_PORT(4),
	.sink_port_list = SOUNDWIRE_PORT(1) | SOUNDWIRE_PORT(2) |
			  SOUNDWIRE_PORT(3) | SOUNDWIRE_PORT(4)
};

static struct soundwire_bra_mode alc5682_dp0_bra_mode = {
	.bus_frequency_configs_count = 7,
	.bus_frequency_configs = {
		1000 * KHz,	/* 1 MHz */
		2400 * KHz,	/* 2.4 MHz */
		3000 * KHz,	/* 3 MHz */
		4000 * KHz,	/* 4 MHz */
		4800 * KHz,	/* 4.8 MHz */
		9600 * KHz,	/* 9.6 MHz */
		12000 * KHz,	/* 12 MHz */
	},
	.max_data_per_frame = 470,
	.min_us_between_transactions = 0
};

static struct soundwire_dp0 alc5682_dp0 = {
	.port_max_wordlength = 64,
	.port_min_wordlength = 1,
	.bra_imp_def_response_supported = false,
	.simplified_channel_prepare_sm = true,
	.imp_def_dp0_interrupts_supported = 0,
	.imp_def_bpt_supported = true,
	.bra_mode_count = 1,
	.bra_mode_list = { 0 }
};

static struct soundwire_audio_mode alc5682_audio_mode = {
	.bus_frequency_configs_count = 7,
	.bus_frequency_configs = {
		1000 * KHz,	/* 1 MHz */
		2400 * KHz,	/* 2.4 MHz */
		3000 * KHz,	/* 3 MHz */
		4000 * KHz,	/* 4 MHz */
		4800 * KHz,	/* 4.8 MHz */
		9600 * KHz,	/* 9.6 MHz */
		12000 * KHz,	/* 12 MHz */
	},
	/* Support 8 KHz to 192 KHz sampling frequency */
	.max_sampling_frequency = 192 * KHz,
	.min_sampling_frequency = 8 * KHz,
	.prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY
};

static struct soundwire_dpn alc5682_dpn = {
	.port_wordlength_configs_count = 3,
	.port_wordlength_configs = { 16, 20, 24 },
	.data_port_type = FULL_DATA_PORT,
	.max_grouping_supported = BLOCK_GROUP_COUNT_1,
	.simplified_channelprepare_sm = false,
	.imp_def_dpn_interrupts_supported = 0,
	.min_channel_number = 1,
	.max_channel_number = 2,
	.modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED |
			   MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS,
	.block_packing_mode = true,
	.port_audio_mode_count = 1,
	.port_audio_mode_list = { 0 }
};

static const struct soundwire_codec alc5682_codec = {
	.slave = &alc5682_slave,
	.dp0_bra_mode = { &alc5682_dp0_bra_mode },
	.dp0 = &alc5682_dp0,
	.audio_mode = { &alc5682_audio_mode },
	.dpn = {
		{
			.port = 1,
			.source = &alc5682_dpn,
			.sink = &alc5682_dpn,
		},
		{
			.port = 2,
			.source = &alc5682_dpn,
			.sink = &alc5682_dpn,
		},
		{
			.port = 3,
			.source = &alc5682_dpn,
			.sink = &alc5682_dpn,
		},
		{
			.port = 4,
			.source = &alc5682_dpn,
			.sink = &alc5682_dpn,
		}
	}
};

static void soundwire_alc5682_fill_ssdt(const struct device *dev)
{
	struct drivers_soundwire_alc5682_config *config = dev->chip_info;
	const char *scope = acpi_device_scope(dev);
	struct acpi_dp *dsd;

	if (!scope)
		return;

	acpigen_write_scope(scope);
	acpigen_write_device(acpi_device_name(dev));

	/* Set codec address IDs. */
	alc5682_address.link_id = dev->path.generic.id;
	alc5682_address.unique_id = dev->path.generic.subid;

	acpigen_write_ADR_soundwire_device(&alc5682_address);
	acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name);
	acpigen_write_STA(acpi_device_status(dev));

	dsd = acpi_dp_new_table("_DSD");
	soundwire_gen_codec(dsd, &alc5682_codec, NULL);
	acpi_dp_write(dsd);

	acpigen_pop_len(); /* Device */
	acpigen_pop_len(); /* Scope */
}

static const char *soundwire_alc5682_acpi_name(const struct device *dev)
{
	struct drivers_soundwire_alc5682_config *config = dev->chip_info;
	static char name[5];

	if (config->name)
		return config->name;
	snprintf(name, sizeof(name), "SW%1X%1X", dev->path.generic.id, dev->path.generic.subid);
	return name;
}

static struct device_operations soundwire_alc5682_ops = {
	.read_resources		= noop_read_resources,
	.set_resources		= noop_set_resources,
	.acpi_name		= soundwire_alc5682_acpi_name,
	.acpi_fill_ssdt		= soundwire_alc5682_fill_ssdt,
};

static void soundwire_alc5682_enable(struct device *dev)
{
	dev->ops = &soundwire_alc5682_ops;
}

struct chip_operations drivers_soundwire_alc5682_ops = {
	CHIP_NAME("Realtek ALC5682 SoundWire Codec")
	.enable_dev = soundwire_alc5682_enable
};