aboutsummaryrefslogtreecommitdiff
path: root/src/drivers/soundwire/max98363/max98363.c
blob: 7b90d7834b00cd321c76cb79cd3e3444b75c1ab9 (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
/* 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/path.h>
#include <device/soundwire.h>
#include <mipi/ids.h>
#include <stdio.h>

#include "chip.h"

static struct soundwire_address max98363_address = {
	.version = SOUNDWIRE_VERSION_1_2,
	.manufacturer_id = MIPI_MFG_ID_MAXIM,
	.part_id = MIPI_DEV_ID_MAXIM_MAX98363,
	.class = MIPI_CLASS_NONE
};

static struct soundwire_slave max98363_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 = 0,
	.sink_port_list = SOUNDWIRE_PORT(1),
};

static struct soundwire_audio_mode max98363_audio_mode = {
	/* Bus frequency must be 2/4/8/16 divider of supported input frequencies. */
	.bus_frequency_configs_count = 19,
	.bus_frequency_configs = {
		9600 * KHz,  4800 * KHz, 2400 * KHz, 1200 * KHz,	/* 19.2 MHz */
		11289600,    5644800,    2822400,    1411200,		/* 22.5792 MHz */
		12000 * KHz, 6000 * KHz, 3000 * KHz, 1500 * KHz,	/* 24 MHz */
		12288 * KHz, 6144 * KHz, 3072 * KHz, 1536 * KHz,	/* 24.576 MHz */
			     8000 * KHz, 4000 * KHz, 2000 * KHz,	/* 32 MHz (no /2) */
	},
	/* Support 16 KHz to 96 KHz sampling frequency */
	.sampling_frequency_configs_count = 8,
	.sampling_frequency_configs = {
		16 * KHz,
		22.05 * KHz,
		24 * KHz,
		32 * KHz,
		44.1 * KHz,
		48 * KHz,
		88.2 * KHz,
		96 * KHz,
	},
	.prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY
};

static struct soundwire_dpn max98363_dp1 = {
	.port_wordlength_configs_count = 1,
	.port_wordlength_configs = { 32 },
	.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 = 1,
	.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 max98363_codec = {
	.slave = &max98363_slave,
	.audio_mode = { &max98363_audio_mode },
	.dpn = {
		{
			/* Data Input for Speaker Path */
			.port = 1,
			.sink = &max98363_dp1
		}
	}
};

static void soundwire_max98363_fill_ssdt(const struct device *dev)
{
	struct drivers_soundwire_max98363_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. */
	max98363_address.link_id = dev->path.generic.id;
	max98363_address.unique_id = dev->path.generic.subid;

	acpigen_write_ADR_soundwire_device(&max98363_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, &max98363_codec, NULL);
	acpi_dp_write(dsd);

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

static const char *soundwire_max98363_acpi_name(const struct device *dev)
{
	struct drivers_soundwire_max98363_config *config = dev->chip_info;
	if (config->acpi_name[0] != 0)
		return config->acpi_name;
	snprintf(config->acpi_name, sizeof(config->acpi_name), "SW%1X%1X",
		 dev->path.generic.id, dev->path.generic.subid);
	return config->acpi_name;
}

static struct device_operations soundwire_max98363_ops = {
	.read_resources		= noop_read_resources,
	.set_resources		= noop_set_resources,
	.acpi_name		= soundwire_max98363_acpi_name,
	.acpi_fill_ssdt		= soundwire_max98363_fill_ssdt,
};

static void soundwire_max98363_enable(struct device *dev)
{
	dev->ops = &soundwire_max98363_ops;
}

struct chip_operations drivers_soundwire_max98363_ops = {
	.name = "Maxim MAX98363 SoundWire Codec",
	.enable_dev = soundwire_max98363_enable
};