| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Samsung AMS427AP24 panel with S6E88A0 controller |
| * Copyright (c) 2024 Jakob Hauser <jahau@rocketmail.com> |
| */ |
| |
| #include <linux/backlight.h> |
| #include <linux/delay.h> |
| #include <linux/gpio/consumer.h> |
| #include <linux/module.h> |
| #include <linux/regulator/consumer.h> |
| |
| #include <video/mipi_display.h> |
| |
| #include <drm/drm_mipi_dsi.h> |
| #include <drm/drm_modes.h> |
| #include <drm/drm_panel.h> |
| #include <drm/drm_probe_helper.h> |
| |
| #define NUM_STEPS_CANDELA 54 |
| #define NUM_STEPS_AID 39 |
| #define NUM_STEPS_ELVSS 17 |
| |
| /* length of the payload data, thereof fixed and variable */ |
| #define FIX_LEN_AID 4 |
| #define FIX_LEN_ELVSS 2 |
| #define FIX_LEN_GAMMA 1 |
| #define VAR_LEN_AID 2 |
| #define VAR_LEN_ELVSS 1 |
| #define VAR_LEN_GAMMA 33 |
| #define LEN_AID (FIX_LEN_AID + VAR_LEN_AID) |
| #define LEN_ELVSS (FIX_LEN_ELVSS + VAR_LEN_ELVSS) |
| #define LEN_GAMMA (FIX_LEN_GAMMA + VAR_LEN_GAMMA) |
| |
| struct s6e88a0_ams427ap24 { |
| struct drm_panel panel; |
| struct backlight_device *bl_dev; |
| struct mipi_dsi_device *dsi; |
| struct regulator_bulk_data *supplies; |
| struct gpio_desc *reset_gpio; |
| bool flip_horizontal; |
| }; |
| |
| static const struct regulator_bulk_data s6e88a0_ams427ap24_supplies[] = { |
| { .supply = "vdd3" }, |
| { .supply = "vci" }, |
| }; |
| |
| static inline |
| struct s6e88a0_ams427ap24 *to_s6e88a0_ams427ap24(struct drm_panel *panel) |
| { |
| return container_of(panel, struct s6e88a0_ams427ap24, panel); |
| } |
| |
| enum candela { |
| CANDELA_10CD, /* 0 */ |
| CANDELA_11CD, |
| CANDELA_12CD, |
| CANDELA_13CD, |
| CANDELA_14CD, |
| CANDELA_15CD, |
| CANDELA_16CD, |
| CANDELA_17CD, |
| CANDELA_19CD, |
| CANDELA_20CD, |
| CANDELA_21CD, |
| CANDELA_22CD, |
| CANDELA_24CD, |
| CANDELA_25CD, |
| CANDELA_27CD, |
| CANDELA_29CD, |
| CANDELA_30CD, |
| CANDELA_32CD, |
| CANDELA_34CD, |
| CANDELA_37CD, |
| CANDELA_39CD, |
| CANDELA_41CD, |
| CANDELA_44CD, |
| CANDELA_47CD, |
| CANDELA_50CD, |
| CANDELA_53CD, |
| CANDELA_56CD, |
| CANDELA_60CD, |
| CANDELA_64CD, |
| CANDELA_68CD, |
| CANDELA_72CD, |
| CANDELA_77CD, |
| CANDELA_82CD, |
| CANDELA_87CD, |
| CANDELA_93CD, |
| CANDELA_98CD, |
| CANDELA_105CD, |
| CANDELA_111CD, |
| CANDELA_119CD, |
| CANDELA_126CD, |
| CANDELA_134CD, |
| CANDELA_143CD, |
| CANDELA_152CD, |
| CANDELA_162CD, |
| CANDELA_172CD, |
| CANDELA_183CD, |
| CANDELA_195CD, |
| CANDELA_207CD, |
| CANDELA_220CD, |
| CANDELA_234CD, |
| CANDELA_249CD, |
| CANDELA_265CD, |
| CANDELA_282CD, |
| CANDELA_300CD, /* 53 */ |
| }; |
| |
| static const int s6e88a0_ams427ap24_br_to_cd[NUM_STEPS_CANDELA] = { |
| /* columns: brightness from, brightness till, candela */ |
| /* 0 */ 10, /* 10CD */ |
| /* 11 */ 11, /* 11CD */ |
| /* 12 */ 12, /* 12CD */ |
| /* 13 */ 13, /* 13CD */ |
| /* 14 */ 14, /* 14CD */ |
| /* 15 */ 15, /* 15CD */ |
| /* 16 */ 16, /* 16CD */ |
| /* 17 */ 17, /* 17CD */ |
| /* 18 */ 18, /* 19CD */ |
| /* 19 */ 19, /* 20CD */ |
| /* 20 */ 20, /* 21CD */ |
| /* 21 */ 21, /* 22CD */ |
| /* 22 */ 22, /* 24CD */ |
| /* 23 */ 23, /* 25CD */ |
| /* 24 */ 24, /* 27CD */ |
| /* 25 */ 25, /* 29CD */ |
| /* 26 */ 26, /* 30CD */ |
| /* 27 */ 27, /* 32CD */ |
| /* 28 */ 28, /* 34CD */ |
| /* 29 */ 29, /* 37CD */ |
| /* 30 */ 30, /* 39CD */ |
| /* 31 */ 32, /* 41CD */ |
| /* 33 */ 34, /* 44CD */ |
| /* 35 */ 36, /* 47CD */ |
| /* 37 */ 38, /* 50CD */ |
| /* 39 */ 40, /* 53CD */ |
| /* 41 */ 43, /* 56CD */ |
| /* 44 */ 46, /* 60CD */ |
| /* 47 */ 49, /* 64CD */ |
| /* 50 */ 52, /* 68CD */ |
| /* 53 */ 56, /* 72CD */ |
| /* 57 */ 59, /* 77CD */ |
| /* 60 */ 63, /* 82CD */ |
| /* 64 */ 67, /* 87CD */ |
| /* 68 */ 71, /* 93CD */ |
| /* 72 */ 76, /* 98CD */ |
| /* 77 */ 80, /* 105CD */ |
| /* 81 */ 86, /* 111CD */ |
| /* 87 */ 91, /* 119CD */ |
| /* 92 */ 97, /* 126CD */ |
| /* 98 */ 104, /* 134CD */ |
| /* 105 */ 110, /* 143CD */ |
| /* 111 */ 118, /* 152CD */ |
| /* 119 */ 125, /* 162CD */ |
| /* 126 */ 133, /* 172CD */ |
| /* 134 */ 142, /* 183CD */ |
| /* 143 */ 150, /* 195CD */ |
| /* 151 */ 160, /* 207CD */ |
| /* 161 */ 170, /* 220CD */ |
| /* 171 */ 181, /* 234CD */ |
| /* 182 */ 205, /* 249CD */ |
| /* 206 */ 234, /* 265CD */ |
| /* 235 */ 254, /* 282CD */ |
| /* 255 */ 255, /* 300CD */ |
| }; |
| |
| static const u8 s6e88a0_ams427ap24_aid[NUM_STEPS_AID][VAR_LEN_AID] = { |
| { 0x03, 0x77 }, /* AOR 90.9%, 10CD */ |
| { 0x03, 0x73 }, /* AOR 90.5%, 11CD */ |
| { 0x03, 0x69 }, /* AOR 89.4%, 12CD */ |
| { 0x03, 0x65 }, /* AOR 89.0%, 13CD */ |
| { 0x03, 0x61 }, /* AOR 88.6%, 14CD */ |
| { 0x03, 0x55 }, /* AOR 87.4%, 15CD */ |
| { 0x03, 0x50 }, /* AOR 86.9%, 16CD */ |
| { 0x03, 0x45 }, /* AOR 85.8%, 17CD */ |
| { 0x03, 0x35 }, /* AOR 84.1%, 19CD */ |
| { 0x03, 0x27 }, /* AOR 82.7%, 20CD */ |
| { 0x03, 0x23 }, /* AOR 82.3%, 21CD */ |
| { 0x03, 0x17 }, /* AOR 81.0%, 22CD */ |
| { 0x03, 0x11 }, /* AOR 80.4%, 24CD */ |
| { 0x03, 0x04 }, /* AOR 79.1%, 25CD */ |
| { 0x02, 0xf4 }, /* AOR 77.5%, 27CD */ |
| { 0x02, 0xe3 }, /* AOR 75.7%, 29CD */ |
| { 0x02, 0xd7 }, /* AOR 74.5%, 30CD */ |
| { 0x02, 0xc6 }, /* AOR 72.7%, 32CD */ |
| { 0x02, 0xb7 }, /* AOR 71.2%, 34CD */ |
| { 0x02, 0xa1 }, /* AOR 69.0%, 37CD */ |
| { 0x02, 0x91 }, /* AOR 67.3%, 39CD */ |
| { 0x02, 0x78 }, /* AOR 64.8%, 41CD */ |
| { 0x02, 0x62 }, /* AOR 62.5%, 44CD */ |
| { 0x02, 0x45 }, /* AOR 59.5%, 47CD */ |
| { 0x02, 0x30 }, /* AOR 57.4%, 50CD */ |
| { 0x02, 0x13 }, /* AOR 54.4%, 53CD */ |
| { 0x01, 0xf5 }, /* AOR 51.3%, 56CD */ |
| { 0x01, 0xd3 }, /* AOR 47.8%, 60CD */ |
| { 0x01, 0xb1 }, /* AOR 44.4%, 64CD */ |
| { 0x01, 0x87 }, /* AOR 40.1%, 68CD */ |
| { 0x01, 0x63 }, /* AOR 36.6%, 72CD */ |
| { 0x01, 0x35 }, /* AOR 31.7%, 77CD */ |
| { 0x01, 0x05 }, /* AOR 26.9%, 82CD */ |
| { 0x00, 0xd5 }, /* AOR 21.8%, 87CD */ |
| { 0x00, 0xa1 }, /* AOR 16.5%, 93CD */ |
| { 0x00, 0x6f }, /* AOR 11.4%, 98CD */ |
| { 0x00, 0x31 }, /* AOR 5.0%, 105CD */ |
| { 0x01, 0x86 }, /* AOR 40.0%, 111CD ~ 172CD */ |
| { 0x00, 0x08 }, /* AOR 0.6%, 183CD ~ 300CD */ |
| }; |
| |
| static const u8 s6e88a0_ams427ap24_elvss[NUM_STEPS_ELVSS][VAR_LEN_ELVSS] = { |
| { 0x14 }, /* 10CD ~ 111CD */ |
| { 0x13 }, /* 119CD */ |
| { 0x12 }, /* 126CD */ |
| { 0x12 }, /* 134CD */ |
| { 0x11 }, /* 143CD */ |
| { 0x10 }, /* 152CD */ |
| { 0x0f }, /* 162CD */ |
| { 0x0e }, /* 172CD */ |
| { 0x11 }, /* 183CD */ |
| { 0x11 }, /* 195CD */ |
| { 0x10 }, /* 207CD */ |
| { 0x0f }, /* 220CD */ |
| { 0x0f }, /* 234CD */ |
| { 0x0e }, /* 249CD */ |
| { 0x0d }, /* 265CD */ |
| { 0x0c }, /* 282CD */ |
| { 0x0b }, /* 300CD */ |
| }; |
| |
| static const u8 s6e88a0_ams427ap24_gamma[NUM_STEPS_CANDELA][VAR_LEN_GAMMA] = { |
| /* 10CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8c, 0x8b, |
| 0x8c, 0x87, 0x89, 0x89, 0x88, 0x87, 0x8c, 0x80, 0x82, 0x88, 0x7b, |
| 0x72, 0x8c, 0x60, 0x68, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 11CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8c, 0x8b, |
| 0x8c, 0x87, 0x89, 0x89, 0x88, 0x87, 0x8c, 0x80, 0x82, 0x88, 0x7b, |
| 0x72, 0x8c, 0x60, 0x68, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 12CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8b, 0x8b, |
| 0x8c, 0x88, 0x89, 0x8a, 0x88, 0x87, 0x8c, 0x81, 0x82, 0x87, 0x7a, |
| 0x72, 0x8b, 0x60, 0x68, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 13CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8b, 0x8b, |
| 0x8c, 0x88, 0x89, 0x8a, 0x88, 0x87, 0x8c, 0x81, 0x82, 0x87, 0x7a, |
| 0x72, 0x8b, 0x61, 0x69, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 14CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b, |
| 0x8c, 0x88, 0x89, 0x8a, 0x87, 0x86, 0x8a, 0x82, 0x82, 0x87, 0x79, |
| 0x71, 0x89, 0x63, 0x6c, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 15CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8c, 0x8c, |
| 0x8c, 0x86, 0x87, 0x88, 0x85, 0x85, 0x8a, 0x83, 0x83, 0x88, 0x78, |
| 0x72, 0x89, 0x64, 0x6c, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 16CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b, |
| 0x8c, 0x86, 0x88, 0x88, 0x86, 0x86, 0x8a, 0x84, 0x84, 0x88, 0x78, |
| 0x72, 0x89, 0x5d, 0x67, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 17CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x87, 0x89, 0x89, 0x86, 0x86, 0x8a, 0x84, 0x83, 0x87, 0x78, |
| 0x73, 0x89, 0x64, 0x6e, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 }, |
| /* 19CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x87, 0x89, 0x89, 0x86, 0x86, 0x89, 0x84, 0x84, 0x87, 0x77, |
| 0x72, 0x88, 0x65, 0x6f, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 }, |
| /* 20CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x88, 0x89, 0x89, 0x85, 0x85, 0x88, 0x82, 0x83, 0x85, 0x79, |
| 0x73, 0x88, 0x65, 0x6f, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 }, |
| /* 21CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x88, 0x89, 0x89, 0x85, 0x85, 0x88, 0x82, 0x83, 0x85, 0x79, |
| 0x74, 0x88, 0x65, 0x6f, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 }, |
| /* 22CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b, |
| 0x8c, 0x86, 0x88, 0x87, 0x86, 0x86, 0x89, 0x82, 0x83, 0x85, 0x7c, |
| 0x75, 0x87, 0x65, 0x6f, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 24CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b, |
| 0x8c, 0x86, 0x88, 0x87, 0x86, 0x86, 0x89, 0x82, 0x83, 0x85, 0x7c, |
| 0x76, 0x86, 0x66, 0x6f, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
| /* 25CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x89, 0x88, 0x87, 0x87, 0x89, 0x82, 0x82, 0x84, 0x7f, |
| 0x7a, 0x89, 0x6b, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 27CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x89, 0x88, 0x87, 0x87, 0x89, 0x82, 0x82, 0x84, 0x7f, |
| 0x7a, 0x89, 0x6b, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 29CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x84, 0x85, 0x86, 0x80, |
| 0x7b, 0x88, 0x6a, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 30CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x84, 0x85, 0x86, 0x80, |
| 0x7b, 0x88, 0x6a, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 32CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x84, 0x85, 0x86, 0x80, |
| 0x7b, 0x88, 0x6a, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 34CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x83, 0x84, 0x84, 0x7f, |
| 0x79, 0x86, 0x6c, 0x76, 0x91, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 37CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x88, 0x87, 0x86, 0x87, 0x83, 0x84, 0x84, 0x7f, |
| 0x79, 0x86, 0x6c, 0x76, 0x90, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 39CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x87, 0x84, 0x84, 0x86, 0x83, 0x85, 0x85, 0x80, |
| 0x79, 0x85, 0x6c, 0x76, 0x90, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 41CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x87, 0x84, 0x84, 0x86, 0x81, 0x84, 0x83, 0x7f, |
| 0x79, 0x84, 0x6e, 0x79, 0x93, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 44CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x87, 0x84, 0x84, 0x86, 0x81, 0x84, 0x83, 0x7f, |
| 0x79, 0x84, 0x6e, 0x79, 0x92, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 47CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x87, 0x84, 0x85, 0x86, 0x81, 0x84, 0x83, 0x7f, |
| 0x79, 0x83, 0x6f, 0x79, 0x91, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 50CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x87, 0x84, 0x85, 0x86, 0x82, 0x84, 0x83, 0x7f, |
| 0x79, 0x83, 0x6f, 0x79, 0x90, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 53CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b, |
| 0x8b, 0x86, 0x88, 0x87, 0x83, 0x83, 0x85, 0x84, 0x85, 0x85, 0x7f, |
| 0x79, 0x83, 0x70, 0x79, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 56CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8a, |
| 0x8a, 0x87, 0x89, 0x87, 0x83, 0x83, 0x85, 0x84, 0x85, 0x84, 0x7f, |
| 0x79, 0x82, 0x70, 0x7a, 0x8e, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 60CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8a, |
| 0x8a, 0x87, 0x89, 0x87, 0x83, 0x83, 0x85, 0x84, 0x85, 0x84, 0x7e, |
| 0x79, 0x82, 0x71, 0x7a, 0x8d, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 64CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8a, |
| 0x8a, 0x86, 0x88, 0x86, 0x84, 0x84, 0x86, 0x82, 0x83, 0x82, 0x80, |
| 0x7a, 0x84, 0x71, 0x7a, 0x8c, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 68CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8c, 0x8a, |
| 0x8a, 0x86, 0x88, 0x86, 0x84, 0x84, 0x86, 0x82, 0x84, 0x82, 0x81, |
| 0x7b, 0x83, 0x72, 0x7b, 0x8b, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 72CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8c, 0x8a, |
| 0x8a, 0x86, 0x88, 0x86, 0x85, 0x85, 0x86, 0x82, 0x84, 0x82, 0x81, |
| 0x7b, 0x83, 0x72, 0x7c, 0x8a, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 77CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8c, 0x8a, |
| 0x8a, 0x85, 0x87, 0x85, 0x85, 0x87, 0x87, 0x82, 0x84, 0x82, 0x81, |
| 0x7c, 0x82, 0x72, 0x7c, 0x89, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 82CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8c, 0x8a, |
| 0x8a, 0x85, 0x87, 0x85, 0x85, 0x87, 0x87, 0x82, 0x84, 0x82, 0x81, |
| 0x7c, 0x82, 0x73, 0x7c, 0x88, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 87CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8c, 0x8a, |
| 0x8a, 0x85, 0x87, 0x85, 0x84, 0x84, 0x86, 0x80, 0x84, 0x81, 0x80, |
| 0x7a, 0x82, 0x76, 0x7f, 0x89, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 93CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8b, 0x8a, |
| 0x8a, 0x86, 0x87, 0x85, 0x84, 0x85, 0x86, 0x80, 0x84, 0x80, 0x80, |
| 0x7a, 0x82, 0x76, 0x80, 0x88, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 98CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8a, 0x89, 0x89, 0x8b, 0x8a, |
| 0x8a, 0x86, 0x87, 0x85, 0x85, 0x85, 0x86, 0x80, 0x84, 0x80, 0x80, |
| 0x7a, 0x82, 0x76, 0x80, 0x88, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 }, |
| /* 105CD */ |
| { 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x89, 0x88, 0x88, 0x8b, 0x8a, |
| 0x8a, 0x84, 0x87, 0x85, 0x85, 0x85, 0x85, 0x80, 0x84, 0x80, 0x7f, |
| 0x79, 0x81, 0x71, 0x7d, 0x87, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 }, |
| /* 111CD */ |
| { 0x00, 0xdf, 0x00, 0xde, 0x00, 0xde, 0x85, 0x85, 0x84, 0x87, 0x86, |
| 0x87, 0x85, 0x86, 0x85, 0x83, 0x83, 0x83, 0x81, 0x82, 0x82, 0x80, |
| 0x7d, 0x82, 0x75, 0x7f, 0x86, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 119CD */ |
| { 0x00, 0xe3, 0x00, 0xe1, 0x00, 0xe2, 0x85, 0x85, 0x84, 0x86, 0x85, |
| 0x85, 0x84, 0x85, 0x84, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x7e, |
| 0x7b, 0x81, 0x75, 0x7f, 0x86, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 126CD */ |
| { 0x00, 0xe6, 0x00, 0xe5, 0x00, 0xe5, 0x85, 0x84, 0x84, 0x85, 0x85, |
| 0x85, 0x84, 0x84, 0x84, 0x82, 0x83, 0x83, 0x80, 0x81, 0x81, 0x80, |
| 0x7f, 0x83, 0x73, 0x7c, 0x84, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 134CD */ |
| { 0x00, 0xe9, 0x00, 0xe8, 0x00, 0xe8, 0x84, 0x84, 0x83, 0x85, 0x85, |
| 0x85, 0x84, 0x84, 0x83, 0x81, 0x82, 0x82, 0x81, 0x81, 0x81, 0x7f, |
| 0x7d, 0x81, 0x73, 0x7c, 0x83, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 143CD */ |
| { 0x00, 0xed, 0x00, 0xec, 0x00, 0xec, 0x84, 0x83, 0x83, 0x84, 0x84, |
| 0x84, 0x84, 0x84, 0x83, 0x82, 0x83, 0x83, 0x81, 0x80, 0x81, 0x7f, |
| 0x7e, 0x81, 0x70, 0x79, 0x81, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 152CD */ |
| { 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x83, 0x83, 0x83, 0x83, 0x83, |
| 0x83, 0x84, 0x84, 0x83, 0x81, 0x81, 0x81, 0x80, 0x80, 0x81, 0x80, |
| 0x80, 0x82, 0x6f, 0x78, 0x7f, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 162CD */ |
| { 0x00, 0xf4, 0x00, 0xf3, 0x00, 0xf4, 0x83, 0x83, 0x83, 0x83, 0x83, |
| 0x83, 0x82, 0x81, 0x81, 0x81, 0x81, 0x81, 0x80, 0x80, 0x81, 0x80, |
| 0x7f, 0x82, 0x6f, 0x78, 0x7f, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 172CD */ |
| { 0x00, 0xf8, 0x00, 0xf8, 0x00, 0xf8, 0x82, 0x82, 0x82, 0x82, 0x82, |
| 0x82, 0x82, 0x81, 0x81, 0x80, 0x81, 0x80, 0x80, 0x80, 0x81, 0x81, |
| 0x80, 0x83, 0x6d, 0x76, 0x7d, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 183CD */ |
| { 0x00, 0xe0, 0x00, 0xdf, 0x00, 0xdf, 0x84, 0x84, 0x83, 0x86, 0x86, |
| 0x86, 0x83, 0x84, 0x83, 0x82, 0x82, 0x82, 0x81, 0x83, 0x81, 0x81, |
| 0x7e, 0x81, 0x80, 0x82, 0x84, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 195CD */ |
| { 0x00, 0xe4, 0x00, 0xe3, 0x00, 0xe3, 0x84, 0x83, 0x83, 0x85, 0x85, |
| 0x85, 0x83, 0x84, 0x83, 0x81, 0x82, 0x82, 0x82, 0x83, 0x81, 0x81, |
| 0x80, 0x82, 0x7d, 0x7f, 0x81, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 207CD */ |
| { 0x00, 0xe7, 0x00, 0xe6, 0x00, 0xe6, 0x83, 0x82, 0x82, 0x85, 0x85, |
| 0x85, 0x82, 0x83, 0x83, 0x82, 0x82, 0x82, 0x80, 0x81, 0x80, 0x81, |
| 0x80, 0x82, 0x7d, 0x7f, 0x81, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 220CD */ |
| { 0x00, 0xeb, 0x00, 0xea, 0x00, 0xea, 0x83, 0x83, 0x82, 0x84, 0x84, |
| 0x84, 0x82, 0x83, 0x82, 0x81, 0x81, 0x82, 0x81, 0x82, 0x81, 0x80, |
| 0x7e, 0x80, 0x7d, 0x7f, 0x81, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 234CD */ |
| { 0x00, 0xef, 0x00, 0xee, 0x00, 0xee, 0x83, 0x82, 0x82, 0x83, 0x83, |
| 0x83, 0x82, 0x82, 0x82, 0x81, 0x81, 0x81, 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x81, 0x7b, 0x7c, 0x7f, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 249CD */ |
| { 0x00, 0xf3, 0x00, 0xf2, 0x00, 0xf2, 0x82, 0x81, 0x81, 0x83, 0x83, |
| 0x83, 0x82, 0x82, 0x82, 0x81, 0x81, 0x81, 0x80, 0x81, 0x80, 0x7f, |
| 0x7e, 0x7f, 0x7b, 0x7c, 0x7f, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 265CD */ |
| { 0x00, 0xf7, 0x00, 0xf7, 0x00, 0xf7, 0x81, 0x81, 0x80, 0x82, 0x82, |
| 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x80, 0x7f, |
| 0x7e, 0x7f, 0x7b, 0x7c, 0x7f, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 282CD */ |
| { 0x00, 0xfb, 0x00, 0xfb, 0x00, 0xfb, 0x80, 0x80, 0x80, 0x81, 0x81, |
| 0x81, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x7f, |
| 0x7f, 0x7f, 0x78, 0x79, 0x7d, 0x85, 0x85, 0x82, 0x00, 0x00, 0x00 }, |
| /* 300CD */ |
| { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00 }, |
| }; |
| |
| static int s6e88a0_ams427ap24_set_brightness(struct backlight_device *bd) |
| { |
| struct s6e88a0_ams427ap24 *ctx = bl_get_data(bd); |
| struct mipi_dsi_device *dsi = ctx->dsi; |
| struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; |
| struct device *dev = &dsi->dev; |
| int brightness = bd->props.brightness; |
| int candela_enum; |
| u8 b2[LEN_AID] = { 0xb2, 0x40, 0x08, 0x20, 0x00, 0x00 }; |
| u8 b6[LEN_ELVSS] = { 0xb6, 0x28, 0x00 }; |
| u8 ca[LEN_GAMMA]; |
| |
| /* get candela enum from brightness */ |
| for (candela_enum = 0; candela_enum < NUM_STEPS_CANDELA; candela_enum++) |
| if (brightness <= s6e88a0_ams427ap24_br_to_cd[candela_enum]) |
| break; |
| |
| /* get aid */ |
| switch (candela_enum) { |
| case CANDELA_10CD ... CANDELA_105CD: |
| memcpy(&b2[FIX_LEN_AID], |
| s6e88a0_ams427ap24_aid[candela_enum], |
| VAR_LEN_AID); |
| break; |
| case CANDELA_111CD ... CANDELA_172CD: |
| memcpy(&b2[FIX_LEN_AID], |
| s6e88a0_ams427ap24_aid[CANDELA_111CD], |
| VAR_LEN_AID); |
| break; |
| case CANDELA_183CD ... CANDELA_300CD: |
| memcpy(&b2[FIX_LEN_AID], |
| s6e88a0_ams427ap24_aid[CANDELA_111CD + 1], |
| VAR_LEN_AID); |
| break; |
| default: |
| dev_err(dev, "Failed to get aid data\n"); |
| return -EINVAL; |
| } |
| |
| /* get elvss */ |
| if (candela_enum <= CANDELA_111CD) { |
| memcpy(&b6[FIX_LEN_ELVSS], |
| s6e88a0_ams427ap24_elvss[0], |
| VAR_LEN_ELVSS); |
| } else { |
| memcpy(&b6[FIX_LEN_ELVSS], |
| s6e88a0_ams427ap24_elvss[candela_enum - CANDELA_111CD], |
| VAR_LEN_ELVSS); |
| } |
| |
| /* get gamma */ |
| ca[0] = 0xca; |
| memcpy(&ca[FIX_LEN_GAMMA], |
| s6e88a0_ams427ap24_gamma[candela_enum], |
| VAR_LEN_GAMMA); |
| |
| /* write data */ |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0x5a, 0x5a); // level 1 key on |
| mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, b2, ARRAY_SIZE(b2)); // set aid |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x55, 0x00); // acl off |
| mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, b6, ARRAY_SIZE(b6)); // set elvss |
| mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, ca, ARRAY_SIZE(ca)); // set gamma |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf7, 0x03); // gamma update |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xa5, 0xa5); // level 1 key off |
| |
| return dsi_ctx.accum_err; |
| } |
| |
| static void s6e88a0_ams427ap24_reset(struct s6e88a0_ams427ap24 *ctx) |
| { |
| gpiod_set_value_cansleep(ctx->reset_gpio, 0); |
| usleep_range(5000, 6000); |
| gpiod_set_value_cansleep(ctx->reset_gpio, 1); |
| usleep_range(1000, 2000); |
| gpiod_set_value_cansleep(ctx->reset_gpio, 0); |
| usleep_range(18000, 19000); |
| } |
| |
| static int s6e88a0_ams427ap24_on(struct s6e88a0_ams427ap24 *ctx) |
| { |
| struct mipi_dsi_device *dsi = ctx->dsi; |
| struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; |
| struct device *dev = &dsi->dev; |
| int ret; |
| |
| dsi->mode_flags |= MIPI_DSI_MODE_LPM; |
| |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0x5a, 0x5a); // level 1 key on |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfc, 0x5a, 0x5a); // level 2 key on |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb0, 0x11); // src latch set global 1 |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfd, 0x11); // src latch set 1 |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb0, 0x13); // src latch set global 2 |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfd, 0x18); // src latch set 2 |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb0, 0x02); // avdd set 1 |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb8, 0x30); // avdd set 2 |
| |
| mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx); |
| mipi_dsi_msleep(&dsi_ctx, 20); |
| |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf1, 0x5a, 0x5a); // level 3 key on |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcc, 0x4c); // pixel clock divider pol. |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf2, 0x03, 0x0d); // unknown |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf1, 0xa5, 0xa5); // level 3 key off |
| |
| if (ctx->flip_horizontal) |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcb, 0x0e); // flip display |
| |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xa5, 0xa5); // level 1 key off |
| mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfc, 0xa5, 0xa5); // level 2 key off |
| |
| ret = s6e88a0_ams427ap24_set_brightness(ctx->bl_dev); |
| if (ret < 0) { |
| dev_err(dev, "Failed to set brightness: %d\n", ret); |
| return ret; |
| } |
| |
| mipi_dsi_dcs_set_display_on_multi(&dsi_ctx); |
| |
| return dsi_ctx.accum_err; |
| } |
| |
| static int s6e88a0_ams427ap24_off(struct s6e88a0_ams427ap24 *ctx) |
| { |
| struct mipi_dsi_device *dsi = ctx->dsi; |
| struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; |
| |
| dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; |
| |
| mipi_dsi_dcs_set_display_off_multi(&dsi_ctx); |
| mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx); |
| mipi_dsi_msleep(&dsi_ctx, 120); |
| |
| return dsi_ctx.accum_err; |
| } |
| |
| static int s6e88a0_ams427ap24_prepare(struct drm_panel *panel) |
| { |
| struct s6e88a0_ams427ap24 *ctx = to_s6e88a0_ams427ap24(panel); |
| struct device *dev = &ctx->dsi->dev; |
| int ret; |
| |
| ret = regulator_bulk_enable(ARRAY_SIZE(s6e88a0_ams427ap24_supplies), |
| ctx->supplies); |
| if (ret < 0) { |
| dev_err(dev, "Failed to enable regulators: %d\n", ret); |
| return ret; |
| } |
| |
| s6e88a0_ams427ap24_reset(ctx); |
| |
| ret = s6e88a0_ams427ap24_on(ctx); |
| if (ret < 0) { |
| dev_err(dev, "Failed to initialize panel: %d\n", ret); |
| gpiod_set_value_cansleep(ctx->reset_gpio, 1); |
| regulator_bulk_disable(ARRAY_SIZE(s6e88a0_ams427ap24_supplies), |
| ctx->supplies); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int s6e88a0_ams427ap24_unprepare(struct drm_panel *panel) |
| { |
| struct s6e88a0_ams427ap24 *ctx = to_s6e88a0_ams427ap24(panel); |
| struct device *dev = &ctx->dsi->dev; |
| int ret; |
| |
| ret = s6e88a0_ams427ap24_off(ctx); |
| if (ret < 0) |
| dev_err(dev, "Failed to un-initialize panel: %d\n", ret); |
| |
| gpiod_set_value_cansleep(ctx->reset_gpio, 1); |
| regulator_bulk_disable(ARRAY_SIZE(s6e88a0_ams427ap24_supplies), |
| ctx->supplies); |
| |
| return 0; |
| } |
| |
| static const struct drm_display_mode s6e88a0_ams427ap24_mode = { |
| .clock = (540 + 94 + 4 + 18) * (960 + 12 + 1 + 3) * 60 / 1000, |
| .hdisplay = 540, |
| .hsync_start = 540 + 94, |
| .hsync_end = 540 + 94 + 4, |
| .htotal = 540 + 94 + 4 + 18, |
| .vdisplay = 960, |
| .vsync_start = 960 + 12, |
| .vsync_end = 960 + 12 + 1, |
| .vtotal = 960 + 12 + 1 + 3, |
| .width_mm = 55, |
| .height_mm = 95, |
| .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, |
| }; |
| |
| static int s6e88a0_ams427ap24_get_modes(struct drm_panel *panel, |
| struct drm_connector *connector) |
| { |
| return drm_connector_helper_get_modes_fixed(connector, |
| &s6e88a0_ams427ap24_mode); |
| } |
| |
| static const struct drm_panel_funcs s6e88a0_ams427ap24_panel_funcs = { |
| .prepare = s6e88a0_ams427ap24_prepare, |
| .unprepare = s6e88a0_ams427ap24_unprepare, |
| .get_modes = s6e88a0_ams427ap24_get_modes, |
| }; |
| |
| static const struct backlight_ops s6e88a0_ams427ap24_bl_ops = { |
| .update_status = s6e88a0_ams427ap24_set_brightness, |
| }; |
| |
| static int s6e88a0_ams427ap24_register_backlight(struct s6e88a0_ams427ap24 *ctx) |
| { |
| struct backlight_properties props = { |
| .type = BACKLIGHT_RAW, |
| .brightness = 180, |
| .max_brightness = 255, |
| }; |
| struct mipi_dsi_device *dsi = ctx->dsi; |
| struct device *dev = &dsi->dev; |
| int ret = 0; |
| |
| ctx->bl_dev = devm_backlight_device_register(dev, dev_name(dev), dev, ctx, |
| &s6e88a0_ams427ap24_bl_ops, |
| &props); |
| if (IS_ERR(ctx->bl_dev)) { |
| ret = PTR_ERR(ctx->bl_dev); |
| dev_err(dev, "error registering backlight device (%d)\n", ret); |
| } |
| |
| return ret; |
| } |
| |
| static int s6e88a0_ams427ap24_probe(struct mipi_dsi_device *dsi) |
| { |
| struct device *dev = &dsi->dev; |
| struct s6e88a0_ams427ap24 *ctx; |
| int ret; |
| |
| ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
| if (!ctx) |
| return -ENOMEM; |
| |
| ret = devm_regulator_bulk_get_const(dev, |
| ARRAY_SIZE(s6e88a0_ams427ap24_supplies), |
| s6e88a0_ams427ap24_supplies, |
| &ctx->supplies); |
| if (ret < 0) |
| return ret; |
| |
| ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); |
| if (IS_ERR(ctx->reset_gpio)) |
| return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), |
| "Failed to get reset-gpios\n"); |
| |
| ctx->dsi = dsi; |
| mipi_dsi_set_drvdata(dsi, ctx); |
| |
| dsi->lanes = 2; |
| dsi->format = MIPI_DSI_FMT_RGB888; |
| dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | |
| MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_VIDEO_NO_HFP; |
| |
| drm_panel_init(&ctx->panel, dev, &s6e88a0_ams427ap24_panel_funcs, |
| DRM_MODE_CONNECTOR_DSI); |
| ctx->panel.prepare_prev_first = true; |
| |
| ctx->flip_horizontal = device_property_read_bool(dev, "flip-horizontal"); |
| |
| ret = s6e88a0_ams427ap24_register_backlight(ctx); |
| if (ret < 0) |
| return ret; |
| |
| drm_panel_add(&ctx->panel); |
| |
| ret = mipi_dsi_attach(dsi); |
| if (ret < 0) { |
| dev_err(dev, "Failed to attach to DSI host: %d\n", ret); |
| drm_panel_remove(&ctx->panel); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static void s6e88a0_ams427ap24_remove(struct mipi_dsi_device *dsi) |
| { |
| struct s6e88a0_ams427ap24 *ctx = mipi_dsi_get_drvdata(dsi); |
| int ret; |
| |
| ret = mipi_dsi_detach(dsi); |
| if (ret < 0) |
| dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); |
| |
| drm_panel_remove(&ctx->panel); |
| } |
| |
| static const struct of_device_id s6e88a0_ams427ap24_of_match[] = { |
| { .compatible = "samsung,s6e88a0-ams427ap24" }, |
| { /* sentinel */ }, |
| }; |
| MODULE_DEVICE_TABLE(of, s6e88a0_ams427ap24_of_match); |
| |
| static struct mipi_dsi_driver s6e88a0_ams427ap24_driver = { |
| .probe = s6e88a0_ams427ap24_probe, |
| .remove = s6e88a0_ams427ap24_remove, |
| .driver = { |
| .name = "panel-s6e88a0-ams427ap24", |
| .of_match_table = s6e88a0_ams427ap24_of_match, |
| }, |
| }; |
| module_mipi_dsi_driver(s6e88a0_ams427ap24_driver); |
| |
| MODULE_AUTHOR("Jakob Hauser <jahau@rocketmail.com>"); |
| MODULE_DESCRIPTION("Samsung AMS427AP24 panel with S6E88A0 controller"); |
| MODULE_LICENSE("GPL v2"); |
