summaryrefslogtreecommitdiffstats
path: root/src/drivers/intel/wifi/wifi.c
blob: 926905c26b1b6db06e3c8aa0f42fd529d5de3ea8 (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2014 Vladimir Serbinenko
 * Copyright (C) 2018 Intel Corp.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 or (at your option)
 * any later version of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <elog.h>
#include <smbios.h>
#include <string.h>
#include "chip.h"
#include "drivers/wifi/generic_wifi.h"

#define PMCS_DR 0xcc
#define PME_STS (1 << 15)

#if CONFIG(GENERATE_SMBIOS_TABLES)
static int smbios_write_wifi(struct device *dev, int *handle,
			     unsigned long *current)
{
	struct smbios_type_intel_wifi {
		u8 type;
		u8 length;
		u16 handle;
		u8 str;
		u8 eos[2];
	} __packed;

	struct smbios_type_intel_wifi *t =
		(struct smbios_type_intel_wifi *)*current;
	int len = sizeof(struct smbios_type_intel_wifi);

	memset(t, 0, sizeof(struct smbios_type_intel_wifi));
	t->type = 0x85;
	t->length = len - 2;
	t->handle = *handle;
	/*
	 * Intel wifi driver expects this string to be in the table 0x85
	 * with PCI IDs enumerated below.
	 */
	t->str = smbios_add_string(t->eos, "KHOIHGIUCCHHII");

	len = t->length + smbios_string_table_len(t->eos);
	*current += len;
	*handle += 1;
	return len;
}
#endif

#if CONFIG(HAVE_ACPI_TABLES)
static void intel_wifi_fill_ssdt(struct device *dev)
{
	struct drivers_intel_wifi_config *config = dev->chip_info;
	struct generic_wifi_config generic_config;

	if (config) {
		generic_config.wake = config->wake;
		/* By default, all intel wifi chips wake from S3 */
		generic_config.maxsleep = 3;
	}
	generic_wifi_fill_ssdt(dev, config ? &generic_config : NULL);
}
#endif

static void wifi_pci_dev_init(struct device *dev)
{
	pci_dev_init(dev);

	if (CONFIG(ELOG)) {
		uint32_t val;
		val = pci_read_config16(dev, PMCS_DR);
		if (val & PME_STS)
			elog_add_event_wake(ELOG_WAKE_SOURCE_PME_WIFI, 0);
	}
}

static struct pci_operations pci_ops = {
	.set_subsystem = pci_dev_set_subsystem,
};

struct device_operations device_ops = {
	.read_resources           = pci_dev_read_resources,
	.set_resources            = pci_dev_set_resources,
	.enable_resources         = pci_dev_enable_resources,
	.init                     = wifi_pci_dev_init,
#if CONFIG(GENERATE_SMBIOS_TABLES)
	.get_smbios_data          = smbios_write_wifi,
#endif
	.ops_pci                  = &pci_ops,
#if CONFIG(HAVE_ACPI_TABLES)
	.acpi_name                = generic_wifi_acpi_name,
	.acpi_fill_ssdt_generator = intel_wifi_fill_ssdt,
#endif
};

static const unsigned short pci_device_ids[] = {
	PCI_DEVICE_ID_1000_SERIES_WIFI,
	PCI_DEVICE_ID_6005_SERIES_WIFI,
	PCI_DEVICE_ID_6005_I_SERIES_WIFI,
	PCI_DEVICE_ID_1030_SERIES_WIFI,
	PCI_DEVICE_ID_6030_I_SERIES_WIFI,
	PCI_DEVICE_ID_6030_SERIES_WIFI,
	PCI_DEVICE_ID_6150_SERIES_WIFI,
	PCI_DEVICE_ID_2030_SERIES_WIFI,
	PCI_DEVICE_ID_2000_SERIES_WIFI,
	PCI_DEVICE_ID_0135_SERIES_WIFI,
	PCI_DEVICE_ID_0105_SERIES_WIFI,
	PCI_DEVICE_ID_6035_SERIES_WIFI,
	PCI_DEVICE_ID_5300_SERIES_WIFI,
	PCI_DEVICE_ID_5100_SERIES_WIFI,
	PCI_DEVICE_ID_6000_SERIES_WIFI,
	PCI_DEVICE_ID_6000_I_SERIES_WIFI,
	PCI_DEVICE_ID_5350_SERIES_WIFI,
	PCI_DEVICE_ID_5150_SERIES_WIFI,
	/* Wilkins Peak 2 */
	PCI_DEVICE_ID_WP_7260_SERIES_1_WIFI,
	PCI_DEVICE_ID_WP_7260_SERIES_2_WIFI,
	/* Stone Peak 2 */
	PCI_DEVICE_ID_SP_7265_SERIES_1_WIFI,
	PCI_DEVICE_ID_SP_7265_SERIES_2_WIFI,
	/* Stone Field Peak */
	PCI_DEVICE_ID_SFP_8260_SERIES_1_WIFI,
	PCI_DEVICE_ID_SFP_8260_SERIES_2_WIFI,
	/* Windstorm Peak */
	PCI_DEVICE_ID_WSP_8275_SERIES_1_WIFI,
	/* Jefferson Peak */
	PCI_DEVICE_ID_JP_9000_SERIES_1_WIFI,
	PCI_DEVICE_ID_JP_9000_SERIES_2_WIFI,
	PCI_DEVICE_ID_JP_9000_SERIES_3_WIFI,
	/* Thunder Peak 2 */
	PCI_DEVICE_ID_TP_9260_SERIES_WIFI,
	/* Harrison Peak */
	PCI_DEVICE_ID_HrP_9560_SERIES_1_WIFI,
	PCI_DEVICE_ID_HrP_9560_SERIES_2_WIFI,
	PCI_DEVICE_ID_HrP_9560_SERIES_3_WIFI,
	PCI_DEVICE_ID_HrP_9560_SERIES_4_WIFI,
	0
};

static const struct pci_driver pch_intel_wifi __pci_driver = {
	.ops	 = &device_ops,
	.vendor	 = PCI_VENDOR_ID_INTEL,
	.devices = pci_device_ids,
};

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

struct chip_operations drivers_intel_wifi_ops = {
	CHIP_NAME("Intel WiFi")
	.enable_dev = intel_wifi_enable
};