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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <console/console.h>
#include <delay.h>
#include <device/i2c_simple.h>
#include <edid.h>
#include <framebuffer_info.h>
#include <gpio.h>
#include <soc/ddp.h>
#include <soc/dptx.h>
#include <soc/dsi.h>
#include <soc/gpio_common.h>
#include <soc/i2c.h>
#include <soc/mtcmos.h>
#include "display.h"
#include "gpio.h"
#include "panel.h"
#define PMIC_TPS65132_I2C I2C3
#define PMIC_TPS65132_SLAVE 0x3E
int configure_display(void)
{
struct edid edid;
struct fb_info *info;
const char *name;
struct panel_description *panel = get_active_panel();
if (!panel)
return -1;
printk(BIOS_INFO, "%s: Starting display initialization\n", __func__);
mtcmos_display_power_on();
mtcmos_protect_display_bus();
panel->configure_panel_backlight();
panel->power_on();
mtk_ddp_init();
mdelay(200);
if (panel->disp_path == DISP_PATH_EDP) {
if (mtk_edp_init(&edid) < 0) {
printk(BIOS_ERR, "%s: Failed to initialize eDP\n", __func__);
return -1;
}
} else {
u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO |
MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_MODE_LPM |
MIPI_DSI_MODE_EOT_PACKET);
edid = panel->s->edid;
if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid,
panel->s->init) < 0) {
printk(BIOS_ERR, "%s: Failed in DSI init\n", __func__);
return -1;
}
}
name = edid.ascii_string;
if (name[0] == '\0')
name = "unknown name";
printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
edid.mode.refresh);
edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
mtk_ddp_mode_set(&edid, panel->disp_path);
info = fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0);
if (info)
fb_set_orientation(info, LB_FB_ORIENTATION_BOTTOM_UP);
return 0;
}
void tps65132s_program_eeprom(void)
{
u8 value = 0;
u8 value1 = 0;
/* Initialize I2C3 for PMIC TPS65132 */
mtk_i2c_bus_init(PMIC_TPS65132_I2C, I2C_SPEED_FAST);
mdelay(10);
gpio_output(GPIO_EN_PPVAR_MIPI_DISP, 1);
gpio_output(GPIO_EN_PPVAR_MIPI_DISP_150MA, 1);
mdelay(10);
i2c_read_field(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x00, &value, 0xFF, 0);
i2c_read_field(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x01, &value1, 0xFF, 0);
if (value != 0x11 || value1 != 0x11) {
printk(BIOS_INFO, "Just set AVDD AVEE 5.7V to EEPROM Data in first time.\n");
/* Set AVDD = 5.7V */
if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x00, 0x11,
0x1F) < 0)
return;
/* Set AVEE = -5.7V */
if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0x01, 0x11,
0x1F) < 0)
return;
/* Set EEPROM Data */
if (panel_pmic_reg_mask(PMIC_TPS65132_I2C, PMIC_TPS65132_SLAVE, 0xFF, 0x80,
0xFC) < 0)
return;
mdelay(50);
}
gpio_output(GPIO_EN_PPVAR_MIPI_DISP, 0);
gpio_output(GPIO_EN_PPVAR_MIPI_DISP_150MA, 0);
mdelay(5);
}
|