blob: 135009a243d63be44aecbb78102fbdf82f561227 (
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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <stdint.h>
#include <string.h>
#include <arch/acpi.h>
#include <arch/acpi_pld.h>
int acpi_pld_fill_usb(struct acpi_pld *pld, enum acpi_upc_type type,
struct acpi_pld_group *group)
{
if (!pld)
return -1;
memset(pld, 0, sizeof(struct acpi_pld));
/* Set defaults */
pld->ignore_color = 1;
pld->panel = PLD_PANEL_UNKNOWN;
pld->vertical_position = PLD_VERTICAL_POSITION_CENTER;
pld->horizontal_position = PLD_HORIZONTAL_POSITION_CENTER;
pld->rotation = PLD_ROTATE_0;
pld->visible = 1;
pld->group.token = group->token;
pld->group.position = group->position;
/* Set the shape based on port type */
switch (type) {
case UPC_TYPE_A:
case UPC_TYPE_USB3_A:
case UPC_TYPE_USB3_POWER_B:
pld->shape = PLD_SHAPE_HORIZONTAL_RECTANGLE;
break;
case UPC_TYPE_MINI_AB:
case UPC_TYPE_USB3_B:
pld->shape = PLD_SHAPE_CHAMFERED;
break;
case UPC_TYPE_USB3_MICRO_B:
case UPC_TYPE_USB3_MICRO_AB:
pld->shape = PLD_SHAPE_HORIZONTAL_TRAPEZOID;
break;
case UPC_TYPE_C_USB2_ONLY:
case UPC_TYPE_C_USB2_SS_SWITCH:
case UPC_TYPE_C_USB2_SS:
pld->shape = PLD_SHAPE_OVAL;
break;
case UPC_TYPE_INTERNAL:
default:
pld->shape = PLD_SHAPE_UNKNOWN;
pld->visible = 0;
break;
}
return 0;
}
int acpi_pld_to_buffer(const struct acpi_pld *pld, uint8_t *buf, int buf_len)
{
if (!pld || !buf)
return -1;
memset(buf, 0, buf_len);
/* [0] Revision (=2) */
buf[0] = 0x2;
if (pld->ignore_color) {
/* [1] Ignore Color */
buf[0] |= 0x80;
} else {
/* [15:8] Red Color */
buf[1] = pld->color_red;
/* [23:16] Green Color */
buf[2] = pld->color_green;
/* [31:24] Blue Color */
buf[3] = pld->color_blue;
}
/* [47:32] Width */
buf[4] = pld->width & 0xff;
buf[5] = pld->width >> 8;
/* [63:48] Height */
buf[6] = pld->height & 0xff;
buf[7] = pld->height >> 8;
/* [64] User Visible */
buf[8] |= (pld->visible & 0x1);
/* [65] Dock */
buf[8] |= (pld->dock & 0x1) << 1;
/* [66] Lid */
buf[8] |= (pld->lid & 0x1) << 2;
/* [69:67] Panel */
buf[8] |= (pld->panel & 0x7) << 3;
/* [71:70] Vertical Position */
buf[8] |= (pld->vertical_position & 0x3) << 6;
/* [73:72] Horizontal Position */
buf[9] |= (pld->horizontal_position & 0x3);
/* [77:74] Shape */
buf[9] |= (pld->shape & 0xf) << 2;
/* [78] Orientation */
buf[9] |= (pld->orientation & 0x1) << 6;
/* [86:79] Group Token (incorrectly defined as 1 bit in ACPI 6.2A) */
buf[9] |= (pld->group.token & 0x1) << 7;
buf[10] |= (pld->group.token >> 0x1) & 0x7f;
/* [94:87] Group Position */
buf[10] |= (pld->group.position & 0x1) << 7;
buf[11] |= (pld->group.position >> 0x1) & 0x7f;
/* [95] Bay */
buf[11] |= (pld->bay & 0x1) << 7;
/* [96] Ejectable */
buf[12] |= (pld->ejectable & 0x1);
/* [97] Ejectable with OSPM help */
buf[12] |= (pld->ejectable_ospm & 0x1) << 1;
/* [105:98] Cabinet Number */
buf[12] |= (pld->cabinet_number & 0x3f) << 2;
buf[13] |= (pld->cabinet_number >> 6) & 0x3;
/* [113:106] Card Cage Number */
buf[13] |= (pld->card_cage_number & 0x3f) << 2;
buf[14] |= (pld->card_cage_number >> 6) & 0x3;
/* [114] PLD is a Reference Shape */
buf[14] |= (pld->reference_shape & 0x1) << 2;
/* [118:115] Rotation */
buf[14] |= (pld->rotation & 0xf) << 3;
/* [123:119] Draw Order */
buf[14] |= (pld->draw_order & 0x1) << 7;
buf[15] |= (pld->draw_order >> 1) & 0xf;
/* [127:124] Reserved */
/* Both 16 byte and 20 byte buffers are supported by the spec */
if (buf_len == 20) {
/* [143:128] Vertical Offset */
buf[16] = pld->vertical_offset & 0xff;
buf[17] = pld->vertical_offset >> 8;
/* [159:144] Horizontal Offset */
buf[18] = pld->horizontal_offset & 0xff;
buf[19] = pld->horizontal_offset >> 8;
}
return 0;
}
|
