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
|
/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "console.h"
#include "i2c.h"
#include "rgb_keyboard.h"
#include "stddef.h"
#include "tlc59116f.h"
#include <string.h>
#define CPRINTF(fmt, args...) cprintf(CC_RGBKBD, "TLC59116F: " fmt, ##args)
#define CPRINTS(fmt, args...) cprints(CC_RGBKBD, "TLC59116F: " fmt, ##args)
#define TLC59116F_BUF_SIZE (SIZE_OF_RGB * TLC59116F_GRID_SIZE)
#define TLC59116_MODE_BIT_SLEEP 4
static int tlc59116f_read(struct rgbkbd *ctx, uint8_t addr, uint8_t *value)
{
return i2c_xfer(ctx->cfg->i2c, TLC59116F_I2C_ADDR_FLAG, &addr,
sizeof(addr), value, sizeof(*value));
}
static int tlc59116f_write(struct rgbkbd *ctx, uint8_t addr, uint8_t value)
{
uint8_t buf[2] = {
[0] = addr,
[1] = value,
};
return i2c_xfer(ctx->cfg->i2c, TLC59116F_I2C_ADDR_FLAG, buf,
sizeof(buf), NULL, 0);
}
static int tlc59116f_reset(struct rgbkbd *ctx)
{
return i2c_write8(ctx->cfg->i2c, TLC59116F_RESET, 0xA5, 0x5A);
}
static int tlc59116f_init(struct rgbkbd *ctx)
{
int i, rv;
for (i = TLC59116F_LEDOUT0; i <= TLC59116F_LEDOUT3; i++) {
rv = tlc59116f_write(ctx, i, TLC59116_LEDOUT_PWM);
if (rv) {
return rv;
}
}
rv = tlc59116f_write(ctx, TLC59116F_MODE1, 0x01);
if (rv) {
CPRINTS("Failed to set TLC59116F normal mode");
return rv;
}
return EC_SUCCESS;
}
static int tlc59116f_enable(struct rgbkbd *ctx, bool enable)
{
uint8_t cfg;
int rv;
rv = tlc59116f_read(ctx, TLC59116F_MODE1, &cfg);
if (rv) {
CPRINTS("Failed to enable TLC59116F");
return rv;
}
if (!enable) {
for (int i = TLC59116F_LEDOUT0; i <= TLC59116F_LEDOUT3; i++) {
rv = tlc59116f_write(ctx, i, TLC59116_LEDOUT_OFF);
if (rv) {
return rv;
}
}
}
WRITE_BIT(cfg, TLC59116_MODE_BIT_SLEEP, !enable);
return tlc59116f_write(ctx, TLC59116F_MODE1, cfg);
}
static int tlc59116f_set_color(struct rgbkbd *ctx, uint8_t offset,
struct rgb_s *color, uint8_t len)
{
uint8_t buf[sizeof(offset) + TLC59116F_BUF_SIZE];
const int frame_len = len * SIZE_OF_RGB + sizeof(offset);
const int frame_offset = offset * SIZE_OF_RGB;
int i;
if (frame_offset + frame_len > sizeof(buf)) {
return EC_ERROR_OVERFLOW;
}
buf[0] = TLC59116_AI_BRIGHTNESS_ONLY | (frame_offset + TLC59116F_PWM0);
for (i = 0; i < len; i++) {
buf[i * SIZE_OF_RGB + 1] = color[i].r;
buf[i * SIZE_OF_RGB + 2] = color[i].g;
buf[i * SIZE_OF_RGB + 3] = color[i].b;
}
return i2c_xfer(ctx->cfg->i2c, TLC59116F_I2C_ADDR_FLAG, buf, frame_len,
NULL, 0);
}
static int tlc59116f_set_scale(struct rgbkbd *ctx, uint8_t offset,
struct rgb_s scale, uint8_t len)
{
/* tlc59116f not support scale function */
return EC_SUCCESS;
}
static int tlc59116f_set_gcc(struct rgbkbd *ctx, uint8_t level)
{
int j, rv;
for (j = TLC59116F_LEDOUT0; j <= TLC59116F_LEDOUT3; j++) {
rv = tlc59116f_write(ctx, j, TLC59116_LEDOUT_GROUP);
if (rv) {
return rv;
}
}
return tlc59116f_write(ctx, TLC59116F_GRPPWM, level);
}
const struct rgbkbd_drv tlc59116f_drv = {
.reset = tlc59116f_reset,
.init = tlc59116f_init,
.enable = tlc59116f_enable,
.set_color = tlc59116f_set_color,
.set_scale = tlc59116f_set_scale,
.set_gcc = tlc59116f_set_gcc,
};
|
