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
|
/*
* Copyright (C) ST-Ericsson SA 2010
* Author: Grzegorz Sygieda <grzegorz.sygieda@tieto.com> for ST-Ericsson.
*
* License terms: GNU General Public License (GPL), version 2.
*/
#include <common.h>
#include <command.h>
#include <asm/arch/ab8500.h>
/* Control vibrator */
int do_vibrate(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int time_ms = 100; /* 100 ms */
int intensity = 50; /* 50 % */
int reg;
/*
* We use the last specified parameters, unless new ones are
* entered.
*/
if (!(flag & CMD_FLAG_REPEAT)) {
/* Parse vibration time if given */
if (argc >= 2)
time_ms = simple_strtoul(argv[1], NULL, 10);
/* Parse vibration intensity if given */
if (argc >= 3)
intensity = simple_strtoul(argv[2], NULL, 10);
}
/* disable audio registers reset */
reg = ab8500_read(AB8500_SYS_CTRL2_BLOCK, AB8500_CTRL3_REG);
ab8500_write(AB8500_SYS_CTRL2_BLOCK, AB8500_CTRL3_REG, reg | 0x02);
/* audio clock enable */
reg = ab8500_read(AB8500_SYS_CTRL2_BLOCK, AB8500_SYSULPCLK_CTRL1_REG);
ab8500_write(AB8500_SYS_CTRL2_BLOCK,
AB8500_SYSULPCLK_CTRL1_REG, reg | 0x10);
/* enable audio supply */
ab8500_write(AB8500_REGU_CTRL1, AB8500_REGU_VAUDIO_SUPPLY_REG, 0x02);
/*
* Audio related registers - Vibrator is controled using PWM
*/
/* power up audio feature */
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_POWER_UP, 0x88);
/* enable vibra class-D */
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_ANA_CONF4, 0x03);
/* general vibra control */
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF1, 0xFF);
/*
* control register ... Set PWM intensity 0..100%
*/
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF2, 0);
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF3, intensity);
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF4, 0);
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF5, intensity);
/* Sleep for time specified */
udelay(1000 * time_ms);
/* Set PWM RMS power to zero */
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF3, 0);
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_PWM_GEN_CONF5, 0);
/* audio clock disable */
reg = ab8500_read(AB8500_SYS_CTRL2_BLOCK, AB8500_SYSULPCLK_CTRL1_REG);
ab8500_write(AB8500_SYS_CTRL2_BLOCK,
AB8500_SYSULPCLK_CTRL1_REG, reg & ~0x10);
/* power down audio feature */
ab8500_write(AB8500_AUDIO, AB8500_AUDIO_POWER_UP, 0);
/* disable audio supply */
ab8500_write(AB8500_REGU_CTRL1, AB8500_REGU_VAUDIO_SUPPLY_REG, 0);
return 0;
}
U_BOOT_CMD(
vibrate, 3, 1, do_vibrate,
"vibrator control utility\n",
"<time> <intensity> - vibrate for time, intensity specified\n"
"<time> - vibration time (default 100 ms)\n"
"<intensity> - vibration intensity (default 50 %)\n"
);
|
