summaryrefslogtreecommitdiff
path: root/src/superio/common/conf_mode.c
blob: 1e62285444d7abeb53e143204fc79a9e944f735e (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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2013 Nico Huber <nico.h@gmx.de>
 * Copyright (C) 2017-2018 Eltan B.V.
 *
 * 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 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 <arch/io.h>
#include <device/device.h>
#include <superio/conf_mode.h>
#include <arch/acpigen.h>

/* Common enter/exit implementations */

void pnp_enter_conf_mode_55(struct device *dev)
{
	outb(0x55, dev->path.pnp.port);
}

void pnp_enter_conf_mode_6767(struct device *dev)
{
	outb(0x67, dev->path.pnp.port);
	outb(0x67, dev->path.pnp.port);
}

void pnp_enter_conf_mode_7777(struct device *dev)
{
	outb(0x77, dev->path.pnp.port);
	outb(0x77, dev->path.pnp.port);
}

void pnp_enter_conf_mode_8787(struct device *dev)
{
	outb(0x87, dev->path.pnp.port);
	outb(0x87, dev->path.pnp.port);
}

void pnp_enter_conf_mode_a0a0(struct device *dev)
{
	outb(0xa0, dev->path.pnp.port);
	outb(0xa0, dev->path.pnp.port);
}

void pnp_enter_conf_mode_a5a5(struct device *dev)
{
	outb(0xa5, dev->path.pnp.port);
	outb(0xa5, dev->path.pnp.port);
}

void pnp_exit_conf_mode_aa(struct device *dev)
{
	outb(0xaa, dev->path.pnp.port);
}

void pnp_enter_conf_mode_870155aa(struct device *dev)
{
	outb(0x87, dev->path.pnp.port);
	outb(0x01, dev->path.pnp.port);
	outb(0x55, dev->path.pnp.port);

	if (dev->path.pnp.port == 0x4e)
		outb(0xaa, dev->path.pnp.port);
	else
		outb(0x55, dev->path.pnp.port);
}

void pnp_exit_conf_mode_0202(struct device *dev)
{
	pnp_write_config(dev, 0x02, (1 << 1));
}

/* Functions for ACPI */
#if CONFIG(HAVE_ACPI_TABLES)
static void pnp_ssdt_enter_conf_mode_55(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0x55);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_enter_conf_mode_6767(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0x67);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0x67);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_enter_conf_mode_7777(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0x77);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0x77);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_enter_conf_mode_8787(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0x87);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0x87);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_enter_conf_mode_a0a0(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0xa0);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0xa0);
	acpigen_emit_namestring(idx);

}

static void pnp_ssdt_enter_conf_mode_a5a5(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0xa5);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0xa5);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_enter_conf_mode_870155aa(struct device *dev,
					      const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0x87);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0x01);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0x55);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	if (dev->path.pnp.port == 0x4e)
		acpigen_write_byte(0xaa);
	else
		acpigen_write_byte(0x55);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_exit_conf_mode_aa(struct device *dev, const char *idx, const char *data)
{
	acpigen_write_store();
	acpigen_write_byte(0xaa);
	acpigen_emit_namestring(idx);
}

static void pnp_ssdt_exit_conf_mode_0202(struct device *dev, const char *idx, const char *data)
{

	acpigen_write_store();
	acpigen_write_byte(0x02);
	acpigen_emit_namestring(idx);

	acpigen_write_store();
	acpigen_write_byte(0x02);
	acpigen_emit_namestring(data);
}
#endif

const struct pnp_mode_ops pnp_conf_mode_55_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_55,
	.exit_conf_mode  = pnp_exit_conf_mode_aa,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_55,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_aa,
#endif
};

const struct pnp_mode_ops pnp_conf_mode_6767_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_6767,
	.exit_conf_mode  = pnp_exit_conf_mode_aa,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_6767,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_aa,
#endif
};

const struct pnp_mode_ops pnp_conf_mode_7777_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_7777,
	.exit_conf_mode  = pnp_exit_conf_mode_aa,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_7777,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_aa,
#endif
};

const struct pnp_mode_ops pnp_conf_mode_8787_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_8787,
	.exit_conf_mode  = pnp_exit_conf_mode_aa,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_8787,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_aa,
#endif
};

const struct pnp_mode_ops pnp_conf_mode_a0a0_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_a0a0,
	.exit_conf_mode  = pnp_exit_conf_mode_aa,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_a0a0,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_aa,
#endif
};

const struct pnp_mode_ops pnp_conf_mode_a5a5_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_a5a5,
	.exit_conf_mode  = pnp_exit_conf_mode_aa,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_a5a5,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_aa,
#endif
};

const struct pnp_mode_ops pnp_conf_mode_870155_aa = {
	.enter_conf_mode = pnp_enter_conf_mode_870155aa,
	.exit_conf_mode  = pnp_exit_conf_mode_0202,
#if CONFIG(HAVE_ACPI_TABLES)
	.ssdt_enter_conf_mode = pnp_ssdt_enter_conf_mode_870155aa,
	.ssdt_exit_conf_mode = pnp_ssdt_exit_conf_mode_0202,
#endif
};