2 * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver.
4 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
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.
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/of_device.h>
20 #include <linux/regulator/consumer.h>
22 #define S6E3HA2_MIN_BRIGHTNESS 0
23 #define S6E3HA2_MAX_BRIGHTNESS 100
24 #define S6E3HA2_DEFAULT_BRIGHTNESS 80
26 #define S6E3HA2_NUM_GAMMA_STEPS 46
27 #define S6E3HA2_GAMMA_CMD_CNT 35
28 #define S6E3HA2_VINT_STATUS_MAX 10
30 static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = {
31 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83,
32 0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c,
33 0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00,
35 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84,
36 0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a,
37 0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00,
39 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
40 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a,
41 0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00,
43 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
44 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a,
45 0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00,
47 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85,
48 0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b,
49 0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00,
51 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
52 0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b,
53 0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00,
55 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
56 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89,
57 0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00,
59 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
60 0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c,
61 0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
63 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
64 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88,
65 0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,
67 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,
68 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a,
69 0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00,
71 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
72 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b,
73 0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00,
75 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
76 0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c,
77 0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00,
79 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
80 0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c,
81 0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00,
83 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
84 0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
85 0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00,
87 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
88 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,
89 0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00,
91 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
92 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b,
93 0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
95 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,
96 0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e,
97 0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
99 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
100 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e,
101 0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00,
103 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
104 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d,
105 0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
107 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,
108 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c,
109 0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
111 { 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83,
112 0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a,
113 0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
115 { 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83,
116 0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a,
117 0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
119 { 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83,
120 0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89,
121 0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
123 { 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83,
124 0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a,
125 0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00,
127 { 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82,
128 0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87,
129 0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
131 { 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82,
132 0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88,
133 0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
135 { 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83,
136 0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89,
137 0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,
139 { 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82,
140 0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86,
141 0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,
143 { 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82,
144 0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87,
145 0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00,
147 { 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81,
148 0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86,
149 0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
151 { 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82,
152 0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83,
153 0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00,
155 { 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82,
156 0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82,
157 0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,
159 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
160 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80,
161 0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,
163 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81,
164 0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
165 0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
167 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
168 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,
169 0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,
171 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
172 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82,
173 0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
175 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
176 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83,
177 0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
179 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,
180 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83,
181 0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,
183 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80,
184 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81,
185 0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00,
187 { 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81,
188 0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83,
189 0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00,
191 { 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80,
192 0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80,
193 0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
195 { 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80,
196 0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d,
197 0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
199 { 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80,
200 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82,
201 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
203 { 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80,
204 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
205 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
207 { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
208 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
209 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
211 { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
212 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
213 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
217 unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = {
218 0x18, 0x19, 0x1a, 0x1b, 0x1c,
219 0x1d, 0x1e, 0x1f, 0x20, 0x21
227 struct s6e3ha2_panel_desc {
228 const struct drm_display_mode *mode;
229 enum s6e3ha2_type type;
234 struct drm_panel panel;
235 struct backlight_device *bl_dev;
237 struct regulator_bulk_data supplies[2];
238 struct gpio_desc *reset_gpio;
239 struct gpio_desc *enable_gpio;
241 const struct s6e3ha2_panel_desc *desc;
244 static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len)
246 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
248 return mipi_dsi_dcs_write_buffer(dsi, data, len);
251 #define s6e3ha2_dcs_write_seq_static(ctx, seq...) do { \
252 static const u8 d[] = { seq }; \
254 ret = s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d)); \
259 #define s6e3ha2_call_write_func(ret, func) do { \
265 static int s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx)
267 s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a);
271 static int s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx)
273 s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5);
277 static int s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx)
279 s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a);
283 static int s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx)
285 s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5);
289 static int s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx)
291 s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67);
292 s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09);
296 static int s6e3ha2_freq_calibration(struct s6e3ha2 *ctx)
298 s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c);
299 if (ctx->desc->type == HF2_TYPE)
300 s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67, 0x40, 0xc5);
301 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39);
302 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0);
303 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20);
305 if (ctx->desc->type == HA2_TYPE)
306 s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62,
307 0x40, 0x80, 0xc0, 0x28, 0x28,
308 0x28, 0x28, 0x39, 0xc5);
310 s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x14, 0x6d,
311 0x40, 0x80, 0xc0, 0x28, 0x28,
312 0x28, 0x28, 0x39, 0xc5);
317 static int s6e3ha2_aor_control(struct s6e3ha2 *ctx)
319 s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10);
323 static int s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx)
325 s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a);
329 static int s6e3ha2_acl_off(struct s6e3ha2 *ctx)
331 s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00);
335 static int s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx)
337 s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40);
341 static int s6e3ha2_test_global(struct s6e3ha2 *ctx)
343 s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07);
347 static int s6e3ha2_test(struct s6e3ha2 *ctx)
349 s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19);
353 static int s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx)
355 s6e3ha2_dcs_write_seq_static(ctx, 0xbd, 0x33, 0x11, 0x02,
360 static int s6e3ha2_pentile_control(struct s6e3ha2 *ctx)
362 s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8);
366 static int s6e3ha2_poc_global(struct s6e3ha2 *ctx)
368 s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20);
372 static int s6e3ha2_poc_setting(struct s6e3ha2 *ctx)
374 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08);
378 static int s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx)
380 s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51);
384 static int s6e3ha2_err_fg_set(struct s6e3ha2 *ctx)
386 s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44);
390 static int s6e3ha2_hbm_off(struct s6e3ha2 *ctx)
392 s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00);
396 static int s6e3ha2_te_start_setting(struct s6e3ha2 *ctx)
398 s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09);
402 static int s6e3ha2_gamma_update(struct s6e3ha2 *ctx)
404 s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03);
405 ndelay(100); /* need for 100ns delay */
406 s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00);
410 static int s6e3ha2_get_brightness(struct backlight_device *bl_dev)
412 return bl_dev->props.brightness;
415 static int s6e3ha2_set_vint(struct s6e3ha2 *ctx)
417 struct backlight_device *bl_dev = ctx->bl_dev;
418 unsigned int brightness = bl_dev->props.brightness;
419 unsigned char data[] = { 0xf4, 0x8b,
420 vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) /
421 S6E3HA2_MAX_BRIGHTNESS] };
423 return s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data));
426 static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness)
428 return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) /
429 S6E3HA2_MAX_BRIGHTNESS;
432 static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness)
434 struct backlight_device *bl_dev = ctx->bl_dev;
435 unsigned int index = s6e3ha2_get_brightness_index(brightness);
436 u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, };
439 memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT);
440 s6e3ha2_call_write_func(ret,
441 s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)));
443 s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
444 bl_dev->props.brightness = brightness;
449 static int s6e3ha2_set_brightness(struct backlight_device *bl_dev)
451 struct s6e3ha2 *ctx = bl_get_data(bl_dev);
452 unsigned int brightness = bl_dev->props.brightness;
455 if (brightness < S6E3HA2_MIN_BRIGHTNESS ||
456 brightness > bl_dev->props.max_brightness) {
457 dev_err(ctx->dev, "Invalid brightness: %u\n", brightness);
461 if (bl_dev->props.power > FB_BLANK_NORMAL)
464 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
465 s6e3ha2_call_write_func(ret, s6e3ha2_update_gamma(ctx, brightness));
466 s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
467 s6e3ha2_call_write_func(ret, s6e3ha2_set_vint(ctx));
468 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
473 static const struct backlight_ops s6e3ha2_bl_ops = {
474 .get_brightness = s6e3ha2_get_brightness,
475 .update_status = s6e3ha2_set_brightness,
478 static int s6e3ha2_panel_init(struct s6e3ha2 *ctx)
480 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
483 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi));
484 usleep_range(5000, 6000);
486 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
487 s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx));
488 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
489 s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx));
490 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
491 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
496 static int s6e3ha2_power_off(struct s6e3ha2 *ctx)
498 return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
501 static int s6e3ha2_disable(struct drm_panel *panel)
503 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
504 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
507 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi));
508 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi));
511 ctx->bl_dev->props.power = FB_BLANK_NORMAL;
516 static int s6e3ha2_unprepare(struct drm_panel *panel)
518 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
520 return s6e3ha2_power_off(ctx);
523 static int s6e3ha2_power_on(struct s6e3ha2 *ctx)
527 ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
533 gpiod_set_value(ctx->enable_gpio, 0);
534 usleep_range(5000, 6000);
535 gpiod_set_value(ctx->enable_gpio, 1);
537 gpiod_set_value(ctx->reset_gpio, 1);
538 usleep_range(5000, 6000);
539 gpiod_set_value(ctx->reset_gpio, 0);
540 usleep_range(5000, 6000);
544 static int s6e3ha2_prepare(struct drm_panel *panel)
546 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
549 ret = s6e3ha2_power_on(ctx);
553 ret = s6e3ha2_panel_init(ctx);
557 ctx->bl_dev->props.power = FB_BLANK_NORMAL;
562 s6e3ha2_power_off(ctx);
566 static int s6e3ha2_enable(struct drm_panel *panel)
568 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
569 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
573 s6e3ha2_call_write_func(ret,
574 mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK));
576 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));
577 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));
578 s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx));
579 s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx));
580 s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx));
581 s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx));
582 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));
584 /* pcd setting off for TB */
585 s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx));
586 s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx));
587 s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx));
589 /* brightness setting */
590 s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev));
591 s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));
592 s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx));
593 s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));
594 s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx));
595 s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx));
596 s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx));
598 /* elvss temp compensation */
599 s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx));
600 s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx));
601 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));
603 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi));
604 ctx->bl_dev->props.power = FB_BLANK_UNBLANK;
609 static const struct drm_display_mode s6e3ha2_mode = {
612 .hsync_start = 1440 + 1,
613 .hsync_end = 1440 + 1 + 1,
614 .htotal = 1440 + 1 + 1 + 1,
616 .vsync_start = 2560 + 1,
617 .vsync_end = 2560 + 1 + 1,
618 .vtotal = 2560 + 1 + 1 + 15,
623 static const struct s6e3ha2_panel_desc samsung_s6e3ha2 = {
624 .mode = &s6e3ha2_mode,
628 static const struct drm_display_mode s6e3hf2_mode = {
631 .hsync_start = 1600 + 1,
632 .hsync_end = 1600 + 1 + 1,
633 .htotal = 1600 + 1 + 1 + 1,
635 .vsync_start = 2560 + 1,
636 .vsync_end = 2560 + 1 + 1,
637 .vtotal = 2560 + 1 + 1 + 15,
642 static const struct s6e3ha2_panel_desc samsung_s6e3hf2 = {
643 .mode = &s6e3hf2_mode,
647 static int s6e3ha2_get_modes(struct drm_panel *panel)
649 struct drm_connector *connector = panel->connector;
650 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);
651 struct drm_display_mode *mode;
653 mode = drm_mode_duplicate(panel->drm, ctx->desc->mode);
655 DRM_ERROR("failed to add mode %ux%ux@%u\n",
656 ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay,
657 ctx->desc->mode->vrefresh);
661 drm_mode_set_name(mode);
663 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
664 drm_mode_probed_add(connector, mode);
666 connector->display_info.width_mm = 71;
667 connector->display_info.height_mm = 125;
672 static const struct drm_panel_funcs s6e3ha2_drm_funcs = {
673 .disable = s6e3ha2_disable,
674 .unprepare = s6e3ha2_unprepare,
675 .prepare = s6e3ha2_prepare,
676 .enable = s6e3ha2_enable,
677 .get_modes = s6e3ha2_get_modes,
680 static int s6e3ha2_probe(struct mipi_dsi_device *dsi)
682 struct device *dev = &dsi->dev;
686 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
690 mipi_dsi_set_drvdata(dsi, ctx);
693 ctx->desc = of_device_get_match_data(dev);
696 dsi->format = MIPI_DSI_FMT_RGB888;
697 dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
699 ctx->supplies[0].supply = "vdd3";
700 ctx->supplies[1].supply = "vci";
702 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
705 dev_err(dev, "failed to get regulators: %d\n", ret);
709 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
710 if (IS_ERR(ctx->reset_gpio)) {
711 dev_err(dev, "cannot get reset-gpios %ld\n",
712 PTR_ERR(ctx->reset_gpio));
713 return PTR_ERR(ctx->reset_gpio);
716 ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
717 if (IS_ERR(ctx->enable_gpio)) {
718 dev_err(dev, "cannot get enable-gpios %ld\n",
719 PTR_ERR(ctx->enable_gpio));
720 return PTR_ERR(ctx->enable_gpio);
723 ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx,
724 &s6e3ha2_bl_ops, NULL);
725 if (IS_ERR(ctx->bl_dev)) {
726 dev_err(dev, "failed to register backlight device\n");
727 return PTR_ERR(ctx->bl_dev);
730 ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS;
731 ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS;
732 ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
734 drm_panel_init(&ctx->panel);
735 ctx->panel.dev = dev;
736 ctx->panel.funcs = &s6e3ha2_drm_funcs;
738 ret = drm_panel_add(&ctx->panel);
740 goto unregister_backlight;
742 ret = mipi_dsi_attach(dsi);
749 drm_panel_remove(&ctx->panel);
751 unregister_backlight:
752 backlight_device_unregister(ctx->bl_dev);
757 static int s6e3ha2_remove(struct mipi_dsi_device *dsi)
759 struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi);
761 mipi_dsi_detach(dsi);
762 drm_panel_remove(&ctx->panel);
763 backlight_device_unregister(ctx->bl_dev);
768 static const struct of_device_id s6e3ha2_of_match[] = {
769 { .compatible = "samsung,s6e3ha2", .data = &samsung_s6e3ha2 },
770 { .compatible = "samsung,s6e3hf2", .data = &samsung_s6e3hf2 },
773 MODULE_DEVICE_TABLE(of, s6e3ha2_of_match);
775 static struct mipi_dsi_driver s6e3ha2_driver = {
776 .probe = s6e3ha2_probe,
777 .remove = s6e3ha2_remove,
779 .name = "panel-samsung-s6e3ha2",
780 .of_match_table = s6e3ha2_of_match,
783 module_mipi_dsi_driver(s6e3ha2_driver);
788 MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver");
789 MODULE_LICENSE("GPL v2");