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
|
/*
* This file is part of the coreboot project.
*
* 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 <types.h>
#include <console/console.h>
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <device/device.h>
#include <device/pnp.h>
#include <string.h>
#include "lenovo.h"
#include "drivers/i2c/at24rf08c/lenovo.h"
static const char tablet_numbers[][5] = {
/* X60t. */
"6363", "6364", "6365", "6366",
"6367", "6368", "7762", "7763",
"7764", "7767", "7768", "7769",
/* X200t. */
"7448", "7449", "7450", "7453",
/* X201t. */
"0053", "0831", "2985", "3093",
"3113", "3144", "3239", "4184",
"2263", "2266",
};
int
drivers_lenovo_is_wacom_present(void)
{
const char *pn;
int i;
static int result = -1;
struct device *superio;
u8 sioid;
if (result != -1)
return result;
if (CONFIG(DIGITIZER_PRESENT)) {
printk (BIOS_INFO, "Digitizer state forced as present\n");
return (result = 1);
}
if (CONFIG(DIGITIZER_ABSENT)) {
printk (BIOS_INFO, "Digitizer state forced as absent\n");
return (result = 0);
}
superio = dev_find_slot_pnp (0x164e, 3);
if (!superio) {
printk (BIOS_INFO, "No Super I/O, skipping wacom\n");
return (result = 0);
}
/* Probe ID. */
sioid = pnp_read_config(superio, 0x20);
if (sioid == 0xff) {
printk (BIOS_INFO, "Super I/O probe failed, skipping wacom\n");
return (result = 0);
}
pn = lenovo_mainboard_partnumber();
if (!pn)
return (result = 0);
printk (BIOS_DEBUG, "Lenovo P/N is %s\n", pn);
for (i = 0; i < ARRAY_SIZE (tablet_numbers); i++)
if (memcmp (tablet_numbers[i], pn, 4) == 0) {
printk (BIOS_DEBUG, "Lenovo P/N %s is a tablet\n", pn);
return (result = 1);
}
printk (BIOS_DEBUG, "Lenovo P/N %s is not a tablet\n", pn);
return (result = 0);
}
void
drivers_lenovo_serial_ports_ssdt_generate(const char *scope,
int have_dock_serial)
{
acpigen_write_scope(scope);
if (drivers_lenovo_is_wacom_present()) {
acpigen_write_device("DTR");
acpigen_write_name("_HID");
acpigen_emit_eisaid("WACF004");
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpigen_write_io16(0x200, 0x200, 1, 8, 1);
acpigen_write_irq((1 << 5));
acpigen_write_resourcetemplate_footer();
acpigen_write_STA(0xf);
acpigen_pop_len();
}
if (have_dock_serial) {
acpigen_write_device("COMA");
acpigen_write_name("_HID");
acpigen_emit_eisaid("PNP0501");
acpigen_write_name("_UID");
/* Byte */
acpigen_write_byte(0x2);
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpigen_write_io16(0x3f8, 0x3f8, 1, 8, 1);
acpigen_write_irq(1 << 4);
acpigen_write_resourcetemplate_footer();
acpigen_write_STA(0xf);
acpigen_pop_len();
}
acpigen_pop_len();
}
|
