xref: /linux/drivers/gpu/drm/panel/panel-himax-hx83112b.c (revision 8d2b0853add1d7534dc0794e3c8e0b9e8c4ec640)
1*df401fa1SLuca Weiss // SPDX-License-Identifier: GPL-2.0-only
2*df401fa1SLuca Weiss /*
3*df401fa1SLuca Weiss  * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree.
4*df401fa1SLuca Weiss  * Copyright (c) 2025 Luca Weiss <luca@lucaweiss.eu>
5*df401fa1SLuca Weiss  */
6*df401fa1SLuca Weiss 
7*df401fa1SLuca Weiss #include <linux/backlight.h>
8*df401fa1SLuca Weiss #include <linux/delay.h>
9*df401fa1SLuca Weiss #include <linux/gpio/consumer.h>
10*df401fa1SLuca Weiss #include <linux/mod_devicetable.h>
11*df401fa1SLuca Weiss #include <linux/module.h>
12*df401fa1SLuca Weiss #include <linux/regulator/consumer.h>
13*df401fa1SLuca Weiss 
14*df401fa1SLuca Weiss #include <video/mipi_display.h>
15*df401fa1SLuca Weiss 
16*df401fa1SLuca Weiss #include <drm/drm_mipi_dsi.h>
17*df401fa1SLuca Weiss #include <drm/drm_modes.h>
18*df401fa1SLuca Weiss #include <drm/drm_panel.h>
19*df401fa1SLuca Weiss #include <drm/drm_probe_helper.h>
20*df401fa1SLuca Weiss 
21*df401fa1SLuca Weiss /* Manufacturer specific DSI commands */
22*df401fa1SLuca Weiss #define HX83112B_SETPOWER1	0xb1
23*df401fa1SLuca Weiss #define HX83112B_SETDISP	0xb2
24*df401fa1SLuca Weiss #define HX83112B_SETDRV		0xb4
25*df401fa1SLuca Weiss #define HX83112B_SETEXTC	0xb9
26*df401fa1SLuca Weiss #define HX83112B_SETBANK	0xbd
27*df401fa1SLuca Weiss #define HX83112B_SETDGCLUT	0xc1
28*df401fa1SLuca Weiss #define HX83112B_SETDISMO	0xc2
29*df401fa1SLuca Weiss #define HX83112B_UNKNOWN1	0xc6
30*df401fa1SLuca Weiss #define HX83112B_SETPANEL	0xcc
31*df401fa1SLuca Weiss #define HX83112B_UNKNOWN2	0xd1
32*df401fa1SLuca Weiss #define HX83112B_SETPOWER2	0xd2
33*df401fa1SLuca Weiss #define HX83112B_SETGIP0	0xd3
34*df401fa1SLuca Weiss #define HX83112B_SETGIP1	0xd5
35*df401fa1SLuca Weiss #define HX83112B_SETGIP2	0xd6
36*df401fa1SLuca Weiss #define HX83112B_SETGIP3	0xd8
37*df401fa1SLuca Weiss #define HX83112B_SETIDLE	0xdd
38*df401fa1SLuca Weiss #define HX83112B_UNKNOWN3	0xe7
39*df401fa1SLuca Weiss #define HX83112B_UNKNOWN4	0xe9
40*df401fa1SLuca Weiss 
41*df401fa1SLuca Weiss struct hx83112b_panel {
42*df401fa1SLuca Weiss 	struct drm_panel panel;
43*df401fa1SLuca Weiss 	struct mipi_dsi_device *dsi;
44*df401fa1SLuca Weiss 	struct regulator_bulk_data *supplies;
45*df401fa1SLuca Weiss 	struct gpio_desc *reset_gpio;
46*df401fa1SLuca Weiss };
47*df401fa1SLuca Weiss 
48*df401fa1SLuca Weiss static const struct regulator_bulk_data hx83112b_supplies[] = {
49*df401fa1SLuca Weiss 	{ .supply = "iovcc" },
50*df401fa1SLuca Weiss 	{ .supply = "vsn" },
51*df401fa1SLuca Weiss 	{ .supply = "vsp" },
52*df401fa1SLuca Weiss };
53*df401fa1SLuca Weiss 
54*df401fa1SLuca Weiss static inline struct hx83112b_panel *to_hx83112b_panel(struct drm_panel *panel)
55*df401fa1SLuca Weiss {
56*df401fa1SLuca Weiss 	return container_of(panel, struct hx83112b_panel, panel);
57*df401fa1SLuca Weiss }
58*df401fa1SLuca Weiss 
59*df401fa1SLuca Weiss static void hx83112b_reset(struct hx83112b_panel *ctx)
60*df401fa1SLuca Weiss {
61*df401fa1SLuca Weiss 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
62*df401fa1SLuca Weiss 	usleep_range(10000, 11000);
63*df401fa1SLuca Weiss 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
64*df401fa1SLuca Weiss 	usleep_range(10000, 11000);
65*df401fa1SLuca Weiss 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
66*df401fa1SLuca Weiss 	usleep_range(10000, 11000);
67*df401fa1SLuca Weiss }
68*df401fa1SLuca Weiss 
69*df401fa1SLuca Weiss static int hx83112b_on(struct hx83112b_panel *ctx)
70*df401fa1SLuca Weiss {
71*df401fa1SLuca Weiss 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
72*df401fa1SLuca Weiss 
73*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETEXTC, 0x83, 0x11, 0x2b);
74*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x01);
75*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDISMO, 0x08, 0x70);
76*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x03);
77*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDISP, 0x04, 0x38, 0x08, 0x70);
78*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
79*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETPOWER1,
80*df401fa1SLuca Weiss 				     0xf8, 0x27, 0x27, 0x00, 0x00, 0x0b, 0x0e,
81*df401fa1SLuca Weiss 				     0x0b, 0x0e, 0x33);
82*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETPOWER2, 0x2d, 0x2d);
83*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDISP,
84*df401fa1SLuca Weiss 				     0x80, 0x02, 0x18, 0x80, 0x70, 0x00, 0x08,
85*df401fa1SLuca Weiss 				     0x1c, 0x08, 0x11, 0x05);
86*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xd1);
87*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDISP, 0x00, 0x08);
88*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
89*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x02);
90*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDISP, 0xb5, 0x0a);
91*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
92*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETIDLE,
93*df401fa1SLuca Weiss 				     0x00, 0x00, 0x08, 0x1c, 0x08, 0x34, 0x34,
94*df401fa1SLuca Weiss 				     0x88);
95*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDRV,
96*df401fa1SLuca Weiss 				     0x65, 0x6b, 0x00, 0x00, 0xd0, 0xd4, 0x36,
97*df401fa1SLuca Weiss 				     0xcf, 0x06, 0xce, 0x00, 0xce, 0x00, 0x00,
98*df401fa1SLuca Weiss 				     0x00, 0x07, 0x00, 0x2a, 0x07, 0x01, 0x07,
99*df401fa1SLuca Weiss 				     0x00, 0x00, 0x2a);
100*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x03);
101*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xc3);
102*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDRV, 0x01, 0x67, 0x2a);
103*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
104*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
105*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDGCLUT, 0x01);
106*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x01);
107*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDGCLUT,
108*df401fa1SLuca Weiss 				     0xff, 0xfb, 0xf9, 0xf6, 0xf4, 0xf1, 0xef,
109*df401fa1SLuca Weiss 				     0xea, 0xe7, 0xe5, 0xe2, 0xdf, 0xdd, 0xda,
110*df401fa1SLuca Weiss 				     0xd8, 0xd5, 0xd2, 0xcf, 0xcc, 0xc5, 0xbe,
111*df401fa1SLuca Weiss 				     0xb7, 0xb0, 0xa8, 0xa0, 0x98, 0x8e, 0x85,
112*df401fa1SLuca Weiss 				     0x7b, 0x72, 0x69, 0x5e, 0x53, 0x48, 0x3e,
113*df401fa1SLuca Weiss 				     0x35, 0x2b, 0x22, 0x17, 0x0d, 0x09, 0x07,
114*df401fa1SLuca Weiss 				     0x05, 0x01, 0x00, 0x26, 0xf0, 0x86, 0x25,
115*df401fa1SLuca Weiss 				     0x6e, 0xb6, 0xdd, 0xf3, 0xd8, 0xcc, 0x9b,
116*df401fa1SLuca Weiss 				     0x00);
117*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x02);
118*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDGCLUT,
119*df401fa1SLuca Weiss 				     0xff, 0xfb, 0xf9, 0xf6, 0xf4, 0xf1, 0xef,
120*df401fa1SLuca Weiss 				     0xea, 0xe7, 0xe5, 0xe2, 0xdf, 0xdd, 0xda,
121*df401fa1SLuca Weiss 				     0xd8, 0xd5, 0xd2, 0xcf, 0xcc, 0xc5, 0xbe,
122*df401fa1SLuca Weiss 				     0xb7, 0xb0, 0xa8, 0xa0, 0x98, 0x8e, 0x85,
123*df401fa1SLuca Weiss 				     0x7b, 0x72, 0x69, 0x5e, 0x53, 0x48, 0x3e,
124*df401fa1SLuca Weiss 				     0x35, 0x2b, 0x22, 0x17, 0x0d, 0x09, 0x07,
125*df401fa1SLuca Weiss 				     0x05, 0x01, 0x00, 0x26, 0xf0, 0x86, 0x25,
126*df401fa1SLuca Weiss 				     0x6e, 0xb6, 0xdd, 0xf3, 0xd8, 0xcc, 0x9b,
127*df401fa1SLuca Weiss 				     0x00);
128*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x03);
129*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDGCLUT,
130*df401fa1SLuca Weiss 				     0xff, 0xfb, 0xf9, 0xf6, 0xf4, 0xf1, 0xef,
131*df401fa1SLuca Weiss 				     0xea, 0xe7, 0xe5, 0xe2, 0xdf, 0xdd, 0xda,
132*df401fa1SLuca Weiss 				     0xd8, 0xd5, 0xd2, 0xcf, 0xcc, 0xc5, 0xbe,
133*df401fa1SLuca Weiss 				     0xb7, 0xb0, 0xa8, 0xa0, 0x98, 0x8e, 0x85,
134*df401fa1SLuca Weiss 				     0x7b, 0x72, 0x69, 0x5e, 0x53, 0x48, 0x3e,
135*df401fa1SLuca Weiss 				     0x35, 0x2b, 0x22, 0x17, 0x0d, 0x09, 0x07,
136*df401fa1SLuca Weiss 				     0x05, 0x01, 0x00, 0x26, 0xf0, 0x86, 0x25,
137*df401fa1SLuca Weiss 				     0x6e, 0xb6, 0xdd, 0xf3, 0xd8, 0xcc, 0x9b,
138*df401fa1SLuca Weiss 				     0x00);
139*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
140*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETDISMO, 0xc8);
141*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETPANEL, 0x08);
142*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP0,
143*df401fa1SLuca Weiss 				     0x81, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
144*df401fa1SLuca Weiss 				     0x04, 0x00, 0x01, 0x13, 0x40, 0x04, 0x09,
145*df401fa1SLuca Weiss 				     0x09, 0x0b, 0x0b, 0x32, 0x10, 0x08, 0x00,
146*df401fa1SLuca Weiss 				     0x08, 0x32, 0x10, 0x08, 0x00, 0x08, 0x32,
147*df401fa1SLuca Weiss 				     0x10, 0x08, 0x00, 0x08, 0x00, 0x00, 0x0a,
148*df401fa1SLuca Weiss 				     0x08, 0x7b);
149*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xc5);
150*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN1, 0xf7);
151*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
152*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xd4);
153*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN1, 0x6e);
154*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
155*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xef);
156*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP0, 0x0c);
157*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
158*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x01);
159*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xc8);
160*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP0, 0xa1);
161*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
162*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
163*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP1,
164*df401fa1SLuca Weiss 				     0x18, 0x18, 0x19, 0x18, 0x18, 0x20, 0x18,
165*df401fa1SLuca Weiss 				     0x18, 0x18, 0x10, 0x10, 0x18, 0x18, 0x00,
166*df401fa1SLuca Weiss 				     0x00, 0x18, 0x18, 0x01, 0x01, 0x18, 0x18,
167*df401fa1SLuca Weiss 				     0x28, 0x28, 0x18, 0x18, 0x18, 0x18, 0x18,
168*df401fa1SLuca Weiss 				     0x2f, 0x2f, 0x30, 0x30, 0x31, 0x31, 0x35,
169*df401fa1SLuca Weiss 				     0x35, 0x36, 0x36, 0x37, 0x37, 0x18, 0x18,
170*df401fa1SLuca Weiss 				     0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xfc,
171*df401fa1SLuca Weiss 				     0xfc, 0x00, 0x00, 0xfc, 0xfc, 0x00, 0x00);
172*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP2,
173*df401fa1SLuca Weiss 				     0x18, 0x18, 0x19, 0x18, 0x18, 0x20, 0x19,
174*df401fa1SLuca Weiss 				     0x18, 0x18, 0x10, 0x10, 0x18, 0x18, 0x00,
175*df401fa1SLuca Weiss 				     0x00, 0x18, 0x18, 0x01, 0x01, 0x18, 0x18,
176*df401fa1SLuca Weiss 				     0x28, 0x28, 0x18, 0x18, 0x18, 0x18, 0x18,
177*df401fa1SLuca Weiss 				     0x2f, 0x2f, 0x30, 0x30, 0x31, 0x31, 0x35,
178*df401fa1SLuca Weiss 				     0x35, 0x36, 0x36, 0x37, 0x37, 0x18, 0x18,
179*df401fa1SLuca Weiss 				     0x18, 0x18, 0x18, 0x18, 0x18, 0x18);
180*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP3,
181*df401fa1SLuca Weiss 				     0xaa, 0xaa, 0xaa, 0xaf, 0xea, 0xaa, 0xaa,
182*df401fa1SLuca Weiss 				     0xaa, 0xaa, 0xaf, 0xea, 0xaa, 0xaa, 0xaa,
183*df401fa1SLuca Weiss 				     0xab, 0xaf, 0xef, 0xaa, 0xaa, 0xaa, 0xaa,
184*df401fa1SLuca Weiss 				     0xaf, 0xea, 0xaa);
185*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x01);
186*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP3,
187*df401fa1SLuca Weiss 				     0xaa, 0xaa, 0xab, 0xaf, 0xea, 0xaa, 0xaa,
188*df401fa1SLuca Weiss 				     0xaa, 0xae, 0xaf, 0xea, 0xaa);
189*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x02);
190*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP3,
191*df401fa1SLuca Weiss 				     0xaa, 0xaa, 0xaa, 0xaf, 0xea, 0xaa, 0xaa,
192*df401fa1SLuca Weiss 				     0xaa, 0xaa, 0xaf, 0xea, 0xaa);
193*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x03);
194*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETGIP3,
195*df401fa1SLuca Weiss 				     0xba, 0xaa, 0xaa, 0xaf, 0xea, 0xaa, 0xaa,
196*df401fa1SLuca Weiss 				     0xaa, 0xaa, 0xaf, 0xea, 0xaa, 0xba, 0xaa,
197*df401fa1SLuca Weiss 				     0xaa, 0xaf, 0xea, 0xaa, 0xaa, 0xaa, 0xaa,
198*df401fa1SLuca Weiss 				     0xaf, 0xea, 0xaa);
199*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
200*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xe4);
201*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN3, 0x17, 0x69);
202*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
203*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN3,
204*df401fa1SLuca Weiss 				     0x09, 0x09, 0x00, 0x07, 0xe8, 0x00, 0x26,
205*df401fa1SLuca Weiss 				     0x00, 0x07, 0x00, 0x00, 0xe8, 0x32, 0x00,
206*df401fa1SLuca Weiss 				     0xe9, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x01,
207*df401fa1SLuca Weiss 				     0x01, 0x00, 0x12, 0x04);
208*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x01);
209*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN3,
210*df401fa1SLuca Weiss 				     0x02, 0x00, 0x01, 0x20, 0x01, 0x18, 0x08,
211*df401fa1SLuca Weiss 				     0xa8, 0x09);
212*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x02);
213*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN3, 0x20, 0x20, 0x00);
214*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x03);
215*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN3,
216*df401fa1SLuca Weiss 				     0x00, 0xdc, 0x11, 0x70, 0x00, 0x20);
217*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0xc9);
218*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN3,
219*df401fa1SLuca Weiss 				     0x2a, 0xce, 0x02, 0x70, 0x01, 0x04);
220*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN4, 0x00);
221*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_SETBANK, 0x00);
222*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112B_UNKNOWN2, 0x27);
223*df401fa1SLuca Weiss 	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
224*df401fa1SLuca Weiss 	mipi_dsi_msleep(&dsi_ctx, 120);
225*df401fa1SLuca Weiss 	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
226*df401fa1SLuca Weiss 	mipi_dsi_msleep(&dsi_ctx, 20);
227*df401fa1SLuca Weiss 	mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x0000);
228*df401fa1SLuca Weiss 	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY,
229*df401fa1SLuca Weiss 				     0x24);
230*df401fa1SLuca Weiss 	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
231*df401fa1SLuca Weiss 
232*df401fa1SLuca Weiss 	return dsi_ctx.accum_err;
233*df401fa1SLuca Weiss }
234*df401fa1SLuca Weiss 
235*df401fa1SLuca Weiss static int hx83112b_off(struct hx83112b_panel *ctx)
236*df401fa1SLuca Weiss {
237*df401fa1SLuca Weiss 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
238*df401fa1SLuca Weiss 
239*df401fa1SLuca Weiss 	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
240*df401fa1SLuca Weiss 	mipi_dsi_msleep(&dsi_ctx, 20);
241*df401fa1SLuca Weiss 	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
242*df401fa1SLuca Weiss 	mipi_dsi_msleep(&dsi_ctx, 120);
243*df401fa1SLuca Weiss 
244*df401fa1SLuca Weiss 	return dsi_ctx.accum_err;
245*df401fa1SLuca Weiss }
246*df401fa1SLuca Weiss 
247*df401fa1SLuca Weiss static int hx83112b_prepare(struct drm_panel *panel)
248*df401fa1SLuca Weiss {
249*df401fa1SLuca Weiss 	struct hx83112b_panel *ctx = to_hx83112b_panel(panel);
250*df401fa1SLuca Weiss 	struct device *dev = &ctx->dsi->dev;
251*df401fa1SLuca Weiss 	int ret;
252*df401fa1SLuca Weiss 
253*df401fa1SLuca Weiss 	ret = regulator_bulk_enable(ARRAY_SIZE(hx83112b_supplies), ctx->supplies);
254*df401fa1SLuca Weiss 	if (ret < 0) {
255*df401fa1SLuca Weiss 		dev_err(dev, "Failed to enable regulators: %d\n", ret);
256*df401fa1SLuca Weiss 		return ret;
257*df401fa1SLuca Weiss 	}
258*df401fa1SLuca Weiss 
259*df401fa1SLuca Weiss 	hx83112b_reset(ctx);
260*df401fa1SLuca Weiss 
261*df401fa1SLuca Weiss 	ret = hx83112b_on(ctx);
262*df401fa1SLuca Weiss 	if (ret < 0) {
263*df401fa1SLuca Weiss 		dev_err(dev, "Failed to initialize panel: %d\n", ret);
264*df401fa1SLuca Weiss 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
265*df401fa1SLuca Weiss 		regulator_bulk_disable(ARRAY_SIZE(hx83112b_supplies), ctx->supplies);
266*df401fa1SLuca Weiss 		return ret;
267*df401fa1SLuca Weiss 	}
268*df401fa1SLuca Weiss 
269*df401fa1SLuca Weiss 	return 0;
270*df401fa1SLuca Weiss }
271*df401fa1SLuca Weiss 
272*df401fa1SLuca Weiss static int hx83112b_unprepare(struct drm_panel *panel)
273*df401fa1SLuca Weiss {
274*df401fa1SLuca Weiss 	struct hx83112b_panel *ctx = to_hx83112b_panel(panel);
275*df401fa1SLuca Weiss 	struct device *dev = &ctx->dsi->dev;
276*df401fa1SLuca Weiss 	int ret;
277*df401fa1SLuca Weiss 
278*df401fa1SLuca Weiss 	ret = hx83112b_off(ctx);
279*df401fa1SLuca Weiss 	if (ret < 0)
280*df401fa1SLuca Weiss 		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
281*df401fa1SLuca Weiss 
282*df401fa1SLuca Weiss 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
283*df401fa1SLuca Weiss 	regulator_bulk_disable(ARRAY_SIZE(hx83112b_supplies), ctx->supplies);
284*df401fa1SLuca Weiss 
285*df401fa1SLuca Weiss 	return 0;
286*df401fa1SLuca Weiss }
287*df401fa1SLuca Weiss 
288*df401fa1SLuca Weiss static const struct drm_display_mode hx83112b_mode = {
289*df401fa1SLuca Weiss 	.clock = (1080 + 40 + 4 + 12) * (2160 + 32 + 2 + 2) * 60 / 1000,
290*df401fa1SLuca Weiss 	.hdisplay = 1080,
291*df401fa1SLuca Weiss 	.hsync_start = 1080 + 40,
292*df401fa1SLuca Weiss 	.hsync_end = 1080 + 40 + 4,
293*df401fa1SLuca Weiss 	.htotal = 1080 + 40 + 4 + 12,
294*df401fa1SLuca Weiss 	.vdisplay = 2160,
295*df401fa1SLuca Weiss 	.vsync_start = 2160 + 32,
296*df401fa1SLuca Weiss 	.vsync_end = 2160 + 32 + 2,
297*df401fa1SLuca Weiss 	.vtotal = 2160 + 32 + 2 + 2,
298*df401fa1SLuca Weiss 	.width_mm = 65,
299*df401fa1SLuca Weiss 	.height_mm = 128,
300*df401fa1SLuca Weiss 	.type = DRM_MODE_TYPE_DRIVER,
301*df401fa1SLuca Weiss };
302*df401fa1SLuca Weiss 
303*df401fa1SLuca Weiss static int hx83112b_get_modes(struct drm_panel *panel,
304*df401fa1SLuca Weiss 			      struct drm_connector *connector)
305*df401fa1SLuca Weiss {
306*df401fa1SLuca Weiss 	return drm_connector_helper_get_modes_fixed(connector, &hx83112b_mode);
307*df401fa1SLuca Weiss }
308*df401fa1SLuca Weiss 
309*df401fa1SLuca Weiss static const struct drm_panel_funcs hx83112b_panel_funcs = {
310*df401fa1SLuca Weiss 	.prepare = hx83112b_prepare,
311*df401fa1SLuca Weiss 	.unprepare = hx83112b_unprepare,
312*df401fa1SLuca Weiss 	.get_modes = hx83112b_get_modes,
313*df401fa1SLuca Weiss };
314*df401fa1SLuca Weiss 
315*df401fa1SLuca Weiss static int hx83112b_bl_update_status(struct backlight_device *bl)
316*df401fa1SLuca Weiss {
317*df401fa1SLuca Weiss 	struct mipi_dsi_device *dsi = bl_get_data(bl);
318*df401fa1SLuca Weiss 	u16 brightness = backlight_get_brightness(bl);
319*df401fa1SLuca Weiss 	int ret;
320*df401fa1SLuca Weiss 
321*df401fa1SLuca Weiss 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
322*df401fa1SLuca Weiss 
323*df401fa1SLuca Weiss 	ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness);
324*df401fa1SLuca Weiss 	if (ret < 0)
325*df401fa1SLuca Weiss 		return ret;
326*df401fa1SLuca Weiss 
327*df401fa1SLuca Weiss 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
328*df401fa1SLuca Weiss 
329*df401fa1SLuca Weiss 	return 0;
330*df401fa1SLuca Weiss }
331*df401fa1SLuca Weiss 
332*df401fa1SLuca Weiss static const struct backlight_ops hx83112b_bl_ops = {
333*df401fa1SLuca Weiss 	.update_status = hx83112b_bl_update_status,
334*df401fa1SLuca Weiss };
335*df401fa1SLuca Weiss 
336*df401fa1SLuca Weiss static struct backlight_device *
337*df401fa1SLuca Weiss hx83112b_create_backlight(struct mipi_dsi_device *dsi)
338*df401fa1SLuca Weiss {
339*df401fa1SLuca Weiss 	struct device *dev = &dsi->dev;
340*df401fa1SLuca Weiss 	const struct backlight_properties props = {
341*df401fa1SLuca Weiss 		.type = BACKLIGHT_RAW,
342*df401fa1SLuca Weiss 		.brightness = 4095,
343*df401fa1SLuca Weiss 		.max_brightness = 4095,
344*df401fa1SLuca Weiss 	};
345*df401fa1SLuca Weiss 
346*df401fa1SLuca Weiss 	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
347*df401fa1SLuca Weiss 					      &hx83112b_bl_ops, &props);
348*df401fa1SLuca Weiss }
349*df401fa1SLuca Weiss 
350*df401fa1SLuca Weiss static int hx83112b_probe(struct mipi_dsi_device *dsi)
351*df401fa1SLuca Weiss {
352*df401fa1SLuca Weiss 	struct device *dev = &dsi->dev;
353*df401fa1SLuca Weiss 	struct hx83112b_panel *ctx;
354*df401fa1SLuca Weiss 	int ret;
355*df401fa1SLuca Weiss 
356*df401fa1SLuca Weiss 	ctx = devm_drm_panel_alloc(dev, struct hx83112b_panel, panel,
357*df401fa1SLuca Weiss 				   &hx83112b_panel_funcs,
358*df401fa1SLuca Weiss 				   DRM_MODE_CONNECTOR_DSI);
359*df401fa1SLuca Weiss 	if (IS_ERR(ctx))
360*df401fa1SLuca Weiss 		return PTR_ERR(ctx);
361*df401fa1SLuca Weiss 
362*df401fa1SLuca Weiss 	ret = devm_regulator_bulk_get_const(dev,
363*df401fa1SLuca Weiss 					    ARRAY_SIZE(hx83112b_supplies),
364*df401fa1SLuca Weiss 					    hx83112b_supplies,
365*df401fa1SLuca Weiss 					    &ctx->supplies);
366*df401fa1SLuca Weiss 	if (ret < 0)
367*df401fa1SLuca Weiss 		return ret;
368*df401fa1SLuca Weiss 
369*df401fa1SLuca Weiss 	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
370*df401fa1SLuca Weiss 	if (IS_ERR(ctx->reset_gpio))
371*df401fa1SLuca Weiss 		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
372*df401fa1SLuca Weiss 				     "Failed to get reset-gpios\n");
373*df401fa1SLuca Weiss 
374*df401fa1SLuca Weiss 	ctx->dsi = dsi;
375*df401fa1SLuca Weiss 	mipi_dsi_set_drvdata(dsi, ctx);
376*df401fa1SLuca Weiss 
377*df401fa1SLuca Weiss 	dsi->lanes = 4;
378*df401fa1SLuca Weiss 	dsi->format = MIPI_DSI_FMT_RGB888;
379*df401fa1SLuca Weiss 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
380*df401fa1SLuca Weiss 			  MIPI_DSI_CLOCK_NON_CONTINUOUS |
381*df401fa1SLuca Weiss 			  MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_LPM;
382*df401fa1SLuca Weiss 
383*df401fa1SLuca Weiss 	ctx->panel.prepare_prev_first = true;
384*df401fa1SLuca Weiss 
385*df401fa1SLuca Weiss 	ctx->panel.backlight = hx83112b_create_backlight(dsi);
386*df401fa1SLuca Weiss 	if (IS_ERR(ctx->panel.backlight))
387*df401fa1SLuca Weiss 		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
388*df401fa1SLuca Weiss 				     "Failed to create backlight\n");
389*df401fa1SLuca Weiss 
390*df401fa1SLuca Weiss 	drm_panel_add(&ctx->panel);
391*df401fa1SLuca Weiss 
392*df401fa1SLuca Weiss 	ret = mipi_dsi_attach(dsi);
393*df401fa1SLuca Weiss 	if (ret < 0) {
394*df401fa1SLuca Weiss 		drm_panel_remove(&ctx->panel);
395*df401fa1SLuca Weiss 		return dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
396*df401fa1SLuca Weiss 	}
397*df401fa1SLuca Weiss 
398*df401fa1SLuca Weiss 	return 0;
399*df401fa1SLuca Weiss }
400*df401fa1SLuca Weiss 
401*df401fa1SLuca Weiss static void hx83112b_remove(struct mipi_dsi_device *dsi)
402*df401fa1SLuca Weiss {
403*df401fa1SLuca Weiss 	struct hx83112b_panel *ctx = mipi_dsi_get_drvdata(dsi);
404*df401fa1SLuca Weiss 	int ret;
405*df401fa1SLuca Weiss 
406*df401fa1SLuca Weiss 	ret = mipi_dsi_detach(dsi);
407*df401fa1SLuca Weiss 	if (ret < 0)
408*df401fa1SLuca Weiss 		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
409*df401fa1SLuca Weiss 
410*df401fa1SLuca Weiss 	drm_panel_remove(&ctx->panel);
411*df401fa1SLuca Weiss }
412*df401fa1SLuca Weiss 
413*df401fa1SLuca Weiss static const struct of_device_id hx83112b_of_match[] = {
414*df401fa1SLuca Weiss 	{ .compatible = "djn,98-03057-6598b-i" },
415*df401fa1SLuca Weiss 	{ /* sentinel */ }
416*df401fa1SLuca Weiss };
417*df401fa1SLuca Weiss MODULE_DEVICE_TABLE(of, hx83112b_of_match);
418*df401fa1SLuca Weiss 
419*df401fa1SLuca Weiss static struct mipi_dsi_driver hx83112b_driver = {
420*df401fa1SLuca Weiss 	.probe = hx83112b_probe,
421*df401fa1SLuca Weiss 	.remove = hx83112b_remove,
422*df401fa1SLuca Weiss 	.driver = {
423*df401fa1SLuca Weiss 		.name = "panel-himax-hx83112b",
424*df401fa1SLuca Weiss 		.of_match_table = hx83112b_of_match,
425*df401fa1SLuca Weiss 	},
426*df401fa1SLuca Weiss };
427*df401fa1SLuca Weiss module_mipi_dsi_driver(hx83112b_driver);
428*df401fa1SLuca Weiss 
429*df401fa1SLuca Weiss MODULE_DESCRIPTION("DRM driver for hx83112b-equipped DSI panels");
430*df401fa1SLuca Weiss MODULE_LICENSE("GPL");
431