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-rw-r--r--drivers/gpu/drm/panel/Kconfig6
-rw-r--r--drivers/gpu/drm/panel/Makefile1
-rw-r--r--drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c739
3 files changed, 746 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 62aba976e744..d913c834eb71 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -52,6 +52,12 @@ config DRM_PANEL_PANASONIC_VVX10F034N00
52 WUXGA (1920x1200) Novatek NT1397-based DSI panel as found in some 52 WUXGA (1920x1200) Novatek NT1397-based DSI panel as found in some
53 Xperia Z2 tablets 53 Xperia Z2 tablets
54 54
55config DRM_PANEL_SAMSUNG_S6E3HA2
56 tristate "Samsung S6E3HA2 DSI video mode panel"
57 depends on OF
58 depends on DRM_MIPI_DSI
59 select VIDEOMODE_HELPERS
60
55config DRM_PANEL_SAMSUNG_S6E8AA0 61config DRM_PANEL_SAMSUNG_S6E8AA0
56 tristate "Samsung S6E8AA0 DSI video mode panel" 62 tristate "Samsung S6E8AA0 DSI video mode panel"
57 depends on OF 63 depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index a5c7ec0236e0..1d483b03178b 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
3obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o 3obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
4obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o 4obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o
5obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o 5obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o
6obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2) += panel-samsung-s6e3ha2.o
6obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o 7obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o
7obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o 8obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
8obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o 9obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c
new file mode 100644
index 000000000000..4cc08d7b3de4
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c
@@ -0,0 +1,739 @@
1/*
2 * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver.
3 *
4 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
5 * Donghwa Lee <dh09.lee@samsung.com>
6 * Hyungwon Hwang <human.hwang@samsung.com>
7 * Hoegeun Kwon <hoegeun.kwon@samsung.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <drm/drmP.h>
15#include <drm/drm_mipi_dsi.h>
16#include <drm/drm_panel.h>
17#include <linux/backlight.h>
18#include <linux/gpio/consumer.h>
19#include <linux/regulator/consumer.h>
20
21#define S6E3HA2_MIN_BRIGHTNESS 0
22#define S6E3HA2_MAX_BRIGHTNESS 100
23#define S6E3HA2_DEFAULT_BRIGHTNESS 80
24
25#define S6E3HA2_NUM_GAMMA_STEPS 46
26#define S6E3HA2_GAMMA_CMD_CNT 35
27#define S6E3HA2_VINT_STATUS_MAX 10
28
29static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = {
30 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83,
31 0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c,
32 0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00,
33 0x00, 0x00 },
34 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84,
35 0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a,
36 0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00,
37 0x00, 0x00 },
38 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
39 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a,
40 0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00,
41 0x00, 0x00 },
42 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
43 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a,
44 0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00,
45 0x00, 0x00 },
46 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85,
47 0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b,
48 0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00,
49 0x00, 0x00 },
50 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
51 0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b,
52 0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00,
53 0x00, 0x00 },
54 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
55 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89,
56 0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00,
57 0x00, 0x00 },
58 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
59 0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c,
60 0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
61 0x00, 0x00 },
62 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
63 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88,
64 0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
65 0x00, 0x00 },
66 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
67 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a,
68 0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00,
69 0x00, 0x00 },
70 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
71 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b,
72 0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00,
73 0x00, 0x00 },
74 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
75 0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c,
76 0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00,
77 0x00, 0x00 },
78 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
79 0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c,
80 0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00,
81 0x00, 0x00 },
82 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
83 0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
84 0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00,
85 0x00, 0x00 },
86 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
87 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
88 0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00,
89 0x00, 0x00 },
90 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
91 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b,
92 0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
93 0x00, 0x00 },
94 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
95 0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e,
96 0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
97 0x00, 0x00 },
98 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
99 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e,
100 0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00,
101 0x00, 0x00 },
102 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
103 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d,
104 0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
105 0x00, 0x00 },
106 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
107 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c,
108 0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
109 0x00, 0x00 },
110 { 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83,
111 0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a,
112 0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
113 0x00, 0x00 },
114 { 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83,
115 0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a,
116 0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
117 0x00, 0x00 },
118 { 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83,
119 0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89,
120 0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
121 0x00, 0x00 },
122 { 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83,
123 0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a,
124 0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00,
125 0x00, 0x00 },
126 { 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82,
127 0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87,
128 0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
129 0x00, 0x00 },
130 { 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82,
131 0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88,
132 0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
133 0x00, 0x00 },
134 { 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83,
135 0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89,
136 0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
137 0x00, 0x00 },
138 { 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82,
139 0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86,
140 0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
141 0x00, 0x00 },
142 { 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82,
143 0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87,
144 0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00,
145 0x00, 0x00 },
146 { 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81,
147 0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86,
148 0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
149 0x00, 0x00 },
150 { 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82,
151 0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83,
152 0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00,
153 0x00, 0x00 },
154 { 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82,
155 0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82,
156 0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
157 0x00, 0x00 },
158 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
159 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80,
160 0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
161 0x00, 0x00 },
162 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81,
163 0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
164 0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
165 0x00, 0x00 },
166 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
167 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
168 0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
169 0x00, 0x00 },
170 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
171 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82,
172 0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
173 0x00, 0x00 },
174 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
175 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83,
176 0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
177 0x00, 0x00 },
178 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
179 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83,
180 0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
181 0x00, 0x00 },
182 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80,
183 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81,
184 0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00,
185 0x00, 0x00 },
186 { 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81,
187 0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83,
188 0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00,
189 0x00, 0x00 },
190 { 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80,
191 0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80,
192 0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
193 0x00, 0x00 },
194 { 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80,
195 0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d,
196 0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
197 0x00, 0x00 },
198 { 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80,
199 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82,
200 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
201 0x00, 0x00 },
202 { 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80,
203 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
204 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
205 0x00, 0x00 },
206 { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
207 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
208 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
209 0x00, 0x00 },
210 { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
211 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
212 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
213 0x00, 0x00 }
214};
215
216unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = {
217 0x18, 0x19, 0x1a, 0x1b, 0x1c,
218 0x1d, 0x1e, 0x1f, 0x20, 0x21
219};
220
221struct s6e3ha2 {
222 struct device *dev;
223 struct drm_panel panel;
224 struct backlight_device *bl_dev;
225
226 struct regulator_bulk_data supplies[2];
227 struct gpio_desc *reset_gpio;
228 struct gpio_desc *enable_gpio;
229};
230
231static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len)
232{
233 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
234
235 return mipi_dsi_dcs_write_buffer(dsi, data, len);
236}
237
238#define s6e3ha2_dcs_write_seq_static(ctx, seq...) do { \
239 static const u8 d[] = { seq }; \
240 int ret; \
241 ret = s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d)); \
242 if (ret < 0) \
243 return ret; \
244} while (0)
245
246#define s6e3ha2_call_write_func(ret, func) do { \
247 ret = (func); \
248 if (ret < 0) \
249 return ret; \
250} while (0)
251
252static int s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx)
253{
254 s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a);
255 return 0;
256}
257
258static int s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx)
259{
260 s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5);
261 return 0;
262}
263
264static int s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx)
265{
266 s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a);
267 return 0;
268}
269
270static int s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx)
271{
272 s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5);
273 return 0;
274}
275
276static int s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx)
277{
278 s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67);
279 s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09);
280 return 0;
281}
282
283static int s6e3ha2_freq_calibration(struct s6e3ha2 *ctx)
284{
285 s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c);
286 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39);
287 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0);
288 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20);
289 s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62, 0x40,
290 0x80, 0xc0, 0x28, 0x28, 0x28, 0x28, 0x39, 0xc5);
291 return 0;
292}
293
294static int s6e3ha2_aor_control(struct s6e3ha2 *ctx)
295{
296 s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10);
297 return 0;
298}
299
300static int s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx)
301{
302 s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a);
303 return 0;
304}
305
306static int s6e3ha2_acl_off(struct s6e3ha2 *ctx)
307{
308 s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00);
309 return 0;
310}
311
312static int s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx)
313{
314 s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40);
315 return 0;
316}
317
318static int s6e3ha2_test_global(struct s6e3ha2 *ctx)
319{
320 s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07);
321 return 0;
322}
323
324static int s6e3ha2_test(struct s6e3ha2 *ctx)
325{
326 s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19);
327 return 0;
328}
329
330static int s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx)
331{
332 s6e3ha2_dcs_write_seq_static(ctx, 0xbd, 0x33, 0x11, 0x02,
333 0x16, 0x02, 0x16);
334 return 0;
335}
336
337static int s6e3ha2_pentile_control(struct s6e3ha2 *ctx)
338{
339 s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8);
340 return 0;
341}
342
343static int s6e3ha2_poc_global(struct s6e3ha2 *ctx)
344{
345 s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20);
346 return 0;
347}
348
349static int s6e3ha2_poc_setting(struct s6e3ha2 *ctx)
350{
351 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08);
352 return 0;
353}
354
355static int s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx)
356{
357 s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51);
358 return 0;
359}
360
361static int s6e3ha2_err_fg_set(struct s6e3ha2 *ctx)
362{
363 s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44);
364 return 0;
365}
366
367static int s6e3ha2_hbm_off(struct s6e3ha2 *ctx)
368{
369 s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00);
370 return 0;
371}
372
373static int s6e3ha2_te_start_setting(struct s6e3ha2 *ctx)
374{
375 s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09);
376 return 0;
377}
378
379static int s6e3ha2_gamma_update(struct s6e3ha2 *ctx)
380{
381 s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03);
382 ndelay(100); /* need for 100ns delay */
383 s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00);
384 return 0;
385}
386
387static int s6e3ha2_get_brightness(struct backlight_device *bl_dev)
388{
389 return bl_dev->props.brightness;
390}
391
392static int s6e3ha2_set_vint(struct s6e3ha2 *ctx)
393{
394 struct backlight_device *bl_dev = ctx->bl_dev;
395 unsigned int brightness = bl_dev->props.brightness;
396 unsigned char data[] = { 0xf4, 0x8b,
397 vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) /
398 S6E3HA2_MAX_BRIGHTNESS] };
399
400 return s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data));
401}
402
403static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness)
404{
405 return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) /
406 S6E3HA2_MAX_BRIGHTNESS;
407}
408
409static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness)
410{
411 struct backlight_device *bl_dev = ctx->bl_dev;
412 unsigned int index = s6e3ha2_get_brightness_index(brightness);
413 u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, };
414 int ret;
415
416 memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT);
417 s6e3ha2_call_write_func(ret,
418 s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)));
419
420 s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
421 bl_dev->props.brightness = brightness;
422
423 return 0;
424}
425
426static int s6e3ha2_set_brightness(struct backlight_device *bl_dev)
427{
428 struct s6e3ha2 *ctx = bl_get_data(bl_dev);
429 unsigned int brightness = bl_dev->props.brightness;
430 int ret;
431
432 if (brightness < S6E3HA2_MIN_BRIGHTNESS ||
433 brightness > bl_dev->props.max_brightness) {
434 dev_err(ctx->dev, "Invalid brightness: %u\n", brightness);
435 return -EINVAL;
436 }
437
438 if (bl_dev->props.power > FB_BLANK_NORMAL)
439 return -EPERM;
440
441 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
442 s6e3ha2_call_write_func(ret, s6e3ha2_update_gamma(ctx, brightness));
443 s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
444 s6e3ha2_call_write_func(ret, s6e3ha2_set_vint(ctx));
445 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
446
447 return 0;
448}
449
450static const struct backlight_ops s6e3ha2_bl_ops = {
451 .get_brightness = s6e3ha2_get_brightness,
452 .update_status = s6e3ha2_set_brightness,
453};
454
455static int s6e3ha2_panel_init(struct s6e3ha2 *ctx)
456{
457 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
458 int ret;
459
460 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi));
461 usleep_range(5000, 6000);
462
463 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
464 s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx));
465 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
466 s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx));
467 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
468 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
469
470 return 0;
471}
472
473static int s6e3ha2_power_off(struct s6e3ha2 *ctx)
474{
475 return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
476}
477
478static int s6e3ha2_disable(struct drm_panel *panel)
479{
480 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
481 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
482 int ret;
483
484 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi));
485 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi));
486
487 msleep(40);
488 ctx->bl_dev->props.power = FB_BLANK_NORMAL;
489
490 return 0;
491}
492
493static int s6e3ha2_unprepare(struct drm_panel *panel)
494{
495 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
496
497 return s6e3ha2_power_off(ctx);
498}
499
500static int s6e3ha2_power_on(struct s6e3ha2 *ctx)
501{
502 int ret;
503
504 ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
505 if (ret < 0)
506 return ret;
507
508 msleep(120);
509
510 gpiod_set_value(ctx->enable_gpio, 0);
511 usleep_range(5000, 6000);
512 gpiod_set_value(ctx->enable_gpio, 1);
513
514 gpiod_set_value(ctx->reset_gpio, 1);
515 usleep_range(5000, 6000);
516 gpiod_set_value(ctx->reset_gpio, 0);
517 usleep_range(5000, 6000);
518
519 return 0;
520}
521static int s6e3ha2_prepare(struct drm_panel *panel)
522{
523 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
524 int ret;
525
526 ret = s6e3ha2_power_on(ctx);
527 if (ret < 0)
528 return ret;
529
530 ret = s6e3ha2_panel_init(ctx);
531 if (ret < 0)
532 goto err;
533
534 ctx->bl_dev->props.power = FB_BLANK_NORMAL;
535
536 return 0;
537
538err:
539 s6e3ha2_power_off(ctx);
540 return ret;
541}
542
543static int s6e3ha2_enable(struct drm_panel *panel)
544{
545 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
546 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
547 int ret;
548
549 /* common setting */
550 s6e3ha2_call_write_func(ret,
551 mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK));
552
553 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
554 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
555 s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx));
556 s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx));
557 s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx));
558 s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx));
559 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
560
561 /* pcd setting off for TB */
562 s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx));
563 s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx));
564 s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx));
565
566 /* brightness setting */
567 s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev));
568 s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
569 s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx));
570 s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
571 s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx));
572 s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx));
573 s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx));
574
575 /* elvss temp compensation */
576 s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx));
577 s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx));
578 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
579
580 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi));
581 ctx->bl_dev->props.power = FB_BLANK_UNBLANK;
582
583 return 0;
584}
585
586static const struct drm_display_mode default_mode = {
587 .clock = 222372,
588 .hdisplay = 1440,
589 .hsync_start = 1440 + 1,
590 .hsync_end = 1440 + 1 + 1,
591 .htotal = 1440 + 1 + 1 + 1,
592 .vdisplay = 2560,
593 .vsync_start = 2560 + 1,
594 .vsync_end = 2560 + 1 + 1,
595 .vtotal = 2560 + 1 + 1 + 15,
596 .vrefresh = 60,
597 .flags = 0,
598};
599
600static int s6e3ha2_get_modes(struct drm_panel *panel)
601{
602 struct drm_connector *connector = panel->connector;
603 struct drm_display_mode *mode;
604
605 mode = drm_mode_duplicate(panel->drm, &default_mode);
606 if (!mode) {
607 DRM_ERROR("failed to add mode %ux%ux@%u\n",
608 default_mode.hdisplay, default_mode.vdisplay,
609 default_mode.vrefresh);
610 return -ENOMEM;
611 }
612
613 drm_mode_set_name(mode);
614
615 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
616 drm_mode_probed_add(connector, mode);
617
618 connector->display_info.width_mm = 71;
619 connector->display_info.height_mm = 125;
620
621 return 1;
622}
623
624static const struct drm_panel_funcs s6e3ha2_drm_funcs = {
625 .disable = s6e3ha2_disable,
626 .unprepare = s6e3ha2_unprepare,
627 .prepare = s6e3ha2_prepare,
628 .enable = s6e3ha2_enable,
629 .get_modes = s6e3ha2_get_modes,
630};
631
632static int s6e3ha2_probe(struct mipi_dsi_device *dsi)
633{
634 struct device *dev = &dsi->dev;
635 struct s6e3ha2 *ctx;
636 int ret;
637
638 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
639 if (!ctx)
640 return -ENOMEM;
641
642 mipi_dsi_set_drvdata(dsi, ctx);
643
644 ctx->dev = dev;
645
646 dsi->lanes = 4;
647 dsi->format = MIPI_DSI_FMT_RGB888;
648 dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
649
650 ctx->supplies[0].supply = "vdd3";
651 ctx->supplies[1].supply = "vci";
652
653 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
654 ctx->supplies);
655 if (ret < 0) {
656 dev_err(dev, "failed to get regulators: %d\n", ret);
657 return ret;
658 }
659
660 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
661 if (IS_ERR(ctx->reset_gpio)) {
662 dev_err(dev, "cannot get reset-gpios %ld\n",
663 PTR_ERR(ctx->reset_gpio));
664 return PTR_ERR(ctx->reset_gpio);
665 }
666
667 ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
668 if (IS_ERR(ctx->enable_gpio)) {
669 dev_err(dev, "cannot get enable-gpios %ld\n",
670 PTR_ERR(ctx->enable_gpio));
671 return PTR_ERR(ctx->enable_gpio);
672 }
673
674 ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx,
675 &s6e3ha2_bl_ops, NULL);
676 if (IS_ERR(ctx->bl_dev)) {
677 dev_err(dev, "failed to register backlight device\n");
678 return PTR_ERR(ctx->bl_dev);
679 }
680
681 ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS;
682 ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS;
683 ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
684
685 drm_panel_init(&ctx->panel);
686 ctx->panel.dev = dev;
687 ctx->panel.funcs = &s6e3ha2_drm_funcs;
688
689 ret = drm_panel_add(&ctx->panel);
690 if (ret < 0)
691 goto unregister_backlight;
692
693 ret = mipi_dsi_attach(dsi);
694 if (ret < 0)
695 goto remove_panel;
696
697 return ret;
698
699remove_panel:
700 drm_panel_remove(&ctx->panel);
701
702unregister_backlight:
703 backlight_device_unregister(ctx->bl_dev);
704
705 return ret;
706}
707
708static int s6e3ha2_remove(struct mipi_dsi_device *dsi)
709{
710 struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi);
711
712 mipi_dsi_detach(dsi);
713 drm_panel_remove(&ctx->panel);
714 backlight_device_unregister(ctx->bl_dev);
715
716 return 0;
717}
718
719static const struct of_device_id s6e3ha2_of_match[] = {
720 { .compatible = "samsung,s6e3ha2" },
721 { }
722};
723MODULE_DEVICE_TABLE(of, s6e3ha2_of_match);
724
725static struct mipi_dsi_driver s6e3ha2_driver = {
726 .probe = s6e3ha2_probe,
727 .remove = s6e3ha2_remove,
728 .driver = {
729 .name = "panel-samsung-s6e3ha2",
730 .of_match_table = s6e3ha2_of_match,
731 },
732};
733module_mipi_dsi_driver(s6e3ha2_driver);
734
735MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
736MODULE_AUTHOR("Hyungwon Hwang <human.hwang@samsung.com>");
737MODULE_AUTHOR("Hoegeun Kwon <hoegeun.kwon@samsung.com>");
738MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver");
739MODULE_LICENSE("GPL v2");
generated by cgit v1.2.2 (git 2.25.0) at 2025-06-01 16:03:41 -0400