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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <types.h>
#include <console/console.h>
#include <device/device.h>
#include <ec/compal/ene932/ec.h>
#include "ec.h"
void parrot_ec_init(void)
{
printk(BIOS_DEBUG, "Parrot EC Init\n");
/* Clean up the buffers. We don't know the initial condition. */
kbc_cleanup_buffers();
/* Report EC info */
/* EC version: cmd 0x51 - returns three bytes */
ec_kbc_write_cmd(0x51);
printk(BIOS_DEBUG, " EC version %x.%x.%x\n",
ec_kbc_read_ob(), ec_kbc_read_ob(), ec_kbc_read_ob());
/* EC Project name: cmd 0x52, 0xA0 - returns five bytes */
ec_kbc_write_cmd(0x52);
ec_kbc_write_ib(0xA0);
printk(BIOS_DEBUG, " EC Project: %c%c%c%c%c\n",
ec_kbc_read_ob(), ec_kbc_read_ob(), ec_kbc_read_ob(),
ec_kbc_read_ob(), ec_kbc_read_ob());
/* Print the hardware revision */
printk(BIOS_DEBUG, " Parrot Revision %x\n", parrot_rev());
/* US Keyboard */
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xE5);
/* Enable IRQ1 */
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xD1);
/* TODO - Do device detection and device maintain state (nvs) */
/* Enable Wireless and Bluetooth */
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xAD);
/* Set Wireless and Bluetooth Available */
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xA8);
/* Set Wireless and Bluetooth Enable */
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xA2);
}
/* Parrot Hardware Revision */
u8 parrot_rev(void)
{
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0x40);
return ec_kbc_read_ob();
}
|
