767 lines
27 KiB
C
767 lines
27 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Samsung AMS427AP24 panel with S6E88A0 controller
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* Copyright (c) 2024 Jakob Hauser <jahau@rocketmail.com>
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*/
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#include <linux/backlight.h>
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <linux/regulator/consumer.h>
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#include <video/mipi_display.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_panel.h>
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#include <drm/drm_probe_helper.h>
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#define NUM_STEPS_CANDELA 54
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#define NUM_STEPS_AID 39
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#define NUM_STEPS_ELVSS 17
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/* length of the payload data, thereof fixed and variable */
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#define FIX_LEN_AID 4
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#define FIX_LEN_ELVSS 2
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#define FIX_LEN_GAMMA 1
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#define VAR_LEN_AID 2
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#define VAR_LEN_ELVSS 1
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#define VAR_LEN_GAMMA 33
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#define LEN_AID (FIX_LEN_AID + VAR_LEN_AID)
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#define LEN_ELVSS (FIX_LEN_ELVSS + VAR_LEN_ELVSS)
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#define LEN_GAMMA (FIX_LEN_GAMMA + VAR_LEN_GAMMA)
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struct s6e88a0_ams427ap24 {
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struct drm_panel panel;
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struct backlight_device *bl_dev;
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struct mipi_dsi_device *dsi;
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struct regulator_bulk_data *supplies;
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struct gpio_desc *reset_gpio;
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bool flip_horizontal;
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};
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static const struct regulator_bulk_data s6e88a0_ams427ap24_supplies[] = {
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{ .supply = "vdd3" },
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{ .supply = "vci" },
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};
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static inline
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struct s6e88a0_ams427ap24 *to_s6e88a0_ams427ap24(struct drm_panel *panel)
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{
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return container_of(panel, struct s6e88a0_ams427ap24, panel);
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}
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enum candela {
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CANDELA_10CD, /* 0 */
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CANDELA_11CD,
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CANDELA_12CD,
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CANDELA_13CD,
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CANDELA_14CD,
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CANDELA_15CD,
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CANDELA_16CD,
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CANDELA_17CD,
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CANDELA_19CD,
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CANDELA_20CD,
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CANDELA_21CD,
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CANDELA_22CD,
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CANDELA_24CD,
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CANDELA_25CD,
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CANDELA_27CD,
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CANDELA_29CD,
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CANDELA_30CD,
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CANDELA_32CD,
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CANDELA_34CD,
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CANDELA_37CD,
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CANDELA_39CD,
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CANDELA_41CD,
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CANDELA_44CD,
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CANDELA_47CD,
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CANDELA_50CD,
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CANDELA_53CD,
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CANDELA_56CD,
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CANDELA_60CD,
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CANDELA_64CD,
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CANDELA_68CD,
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CANDELA_72CD,
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CANDELA_77CD,
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CANDELA_82CD,
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CANDELA_87CD,
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CANDELA_93CD,
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CANDELA_98CD,
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CANDELA_105CD,
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CANDELA_111CD,
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CANDELA_119CD,
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CANDELA_126CD,
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CANDELA_134CD,
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CANDELA_143CD,
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CANDELA_152CD,
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CANDELA_162CD,
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CANDELA_172CD,
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CANDELA_183CD,
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CANDELA_195CD,
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CANDELA_207CD,
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CANDELA_220CD,
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CANDELA_234CD,
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CANDELA_249CD,
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CANDELA_265CD,
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CANDELA_282CD,
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CANDELA_300CD, /* 53 */
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};
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static const int s6e88a0_ams427ap24_br_to_cd[NUM_STEPS_CANDELA] = {
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/* columns: brightness from, brightness till, candela */
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/* 0 */ 10, /* 10CD */
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/* 11 */ 11, /* 11CD */
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/* 12 */ 12, /* 12CD */
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/* 13 */ 13, /* 13CD */
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/* 14 */ 14, /* 14CD */
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/* 15 */ 15, /* 15CD */
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/* 16 */ 16, /* 16CD */
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/* 17 */ 17, /* 17CD */
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/* 18 */ 18, /* 19CD */
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/* 19 */ 19, /* 20CD */
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/* 20 */ 20, /* 21CD */
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/* 21 */ 21, /* 22CD */
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/* 22 */ 22, /* 24CD */
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/* 23 */ 23, /* 25CD */
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/* 24 */ 24, /* 27CD */
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/* 25 */ 25, /* 29CD */
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/* 26 */ 26, /* 30CD */
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/* 27 */ 27, /* 32CD */
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/* 28 */ 28, /* 34CD */
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/* 29 */ 29, /* 37CD */
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/* 30 */ 30, /* 39CD */
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/* 31 */ 32, /* 41CD */
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/* 33 */ 34, /* 44CD */
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/* 35 */ 36, /* 47CD */
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/* 37 */ 38, /* 50CD */
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/* 39 */ 40, /* 53CD */
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/* 41 */ 43, /* 56CD */
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/* 44 */ 46, /* 60CD */
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/* 47 */ 49, /* 64CD */
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/* 50 */ 52, /* 68CD */
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/* 53 */ 56, /* 72CD */
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/* 57 */ 59, /* 77CD */
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/* 60 */ 63, /* 82CD */
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/* 64 */ 67, /* 87CD */
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/* 68 */ 71, /* 93CD */
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/* 72 */ 76, /* 98CD */
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/* 77 */ 80, /* 105CD */
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/* 81 */ 86, /* 111CD */
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/* 87 */ 91, /* 119CD */
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/* 92 */ 97, /* 126CD */
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/* 98 */ 104, /* 134CD */
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/* 105 */ 110, /* 143CD */
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/* 111 */ 118, /* 152CD */
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/* 119 */ 125, /* 162CD */
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/* 126 */ 133, /* 172CD */
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/* 134 */ 142, /* 183CD */
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/* 143 */ 150, /* 195CD */
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/* 151 */ 160, /* 207CD */
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/* 161 */ 170, /* 220CD */
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/* 171 */ 181, /* 234CD */
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/* 182 */ 205, /* 249CD */
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/* 206 */ 234, /* 265CD */
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/* 235 */ 254, /* 282CD */
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/* 255 */ 255, /* 300CD */
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};
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static const u8 s6e88a0_ams427ap24_aid[NUM_STEPS_AID][VAR_LEN_AID] = {
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{ 0x03, 0x77 }, /* AOR 90.9%, 10CD */
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{ 0x03, 0x73 }, /* AOR 90.5%, 11CD */
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{ 0x03, 0x69 }, /* AOR 89.4%, 12CD */
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{ 0x03, 0x65 }, /* AOR 89.0%, 13CD */
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{ 0x03, 0x61 }, /* AOR 88.6%, 14CD */
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{ 0x03, 0x55 }, /* AOR 87.4%, 15CD */
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{ 0x03, 0x50 }, /* AOR 86.9%, 16CD */
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{ 0x03, 0x45 }, /* AOR 85.8%, 17CD */
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{ 0x03, 0x35 }, /* AOR 84.1%, 19CD */
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{ 0x03, 0x27 }, /* AOR 82.7%, 20CD */
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{ 0x03, 0x23 }, /* AOR 82.3%, 21CD */
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{ 0x03, 0x17 }, /* AOR 81.0%, 22CD */
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{ 0x03, 0x11 }, /* AOR 80.4%, 24CD */
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{ 0x03, 0x04 }, /* AOR 79.1%, 25CD */
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{ 0x02, 0xf4 }, /* AOR 77.5%, 27CD */
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{ 0x02, 0xe3 }, /* AOR 75.7%, 29CD */
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{ 0x02, 0xd7 }, /* AOR 74.5%, 30CD */
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{ 0x02, 0xc6 }, /* AOR 72.7%, 32CD */
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{ 0x02, 0xb7 }, /* AOR 71.2%, 34CD */
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{ 0x02, 0xa1 }, /* AOR 69.0%, 37CD */
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{ 0x02, 0x91 }, /* AOR 67.3%, 39CD */
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{ 0x02, 0x78 }, /* AOR 64.8%, 41CD */
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{ 0x02, 0x62 }, /* AOR 62.5%, 44CD */
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{ 0x02, 0x45 }, /* AOR 59.5%, 47CD */
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{ 0x02, 0x30 }, /* AOR 57.4%, 50CD */
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{ 0x02, 0x13 }, /* AOR 54.4%, 53CD */
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{ 0x01, 0xf5 }, /* AOR 51.3%, 56CD */
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{ 0x01, 0xd3 }, /* AOR 47.8%, 60CD */
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{ 0x01, 0xb1 }, /* AOR 44.4%, 64CD */
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{ 0x01, 0x87 }, /* AOR 40.1%, 68CD */
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{ 0x01, 0x63 }, /* AOR 36.6%, 72CD */
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{ 0x01, 0x35 }, /* AOR 31.7%, 77CD */
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{ 0x01, 0x05 }, /* AOR 26.9%, 82CD */
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{ 0x00, 0xd5 }, /* AOR 21.8%, 87CD */
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{ 0x00, 0xa1 }, /* AOR 16.5%, 93CD */
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{ 0x00, 0x6f }, /* AOR 11.4%, 98CD */
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{ 0x00, 0x31 }, /* AOR 5.0%, 105CD */
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{ 0x01, 0x86 }, /* AOR 40.0%, 111CD ~ 172CD */
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{ 0x00, 0x08 }, /* AOR 0.6%, 183CD ~ 300CD */
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};
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static const u8 s6e88a0_ams427ap24_elvss[NUM_STEPS_ELVSS][VAR_LEN_ELVSS] = {
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{ 0x14 }, /* 10CD ~ 111CD */
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{ 0x13 }, /* 119CD */
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{ 0x12 }, /* 126CD */
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{ 0x12 }, /* 134CD */
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{ 0x11 }, /* 143CD */
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{ 0x10 }, /* 152CD */
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{ 0x0f }, /* 162CD */
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{ 0x0e }, /* 172CD */
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{ 0x11 }, /* 183CD */
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{ 0x11 }, /* 195CD */
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{ 0x10 }, /* 207CD */
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{ 0x0f }, /* 220CD */
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{ 0x0f }, /* 234CD */
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{ 0x0e }, /* 249CD */
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{ 0x0d }, /* 265CD */
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{ 0x0c }, /* 282CD */
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{ 0x0b }, /* 300CD */
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};
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static const u8 s6e88a0_ams427ap24_gamma[NUM_STEPS_CANDELA][VAR_LEN_GAMMA] = {
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/* 10CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8c, 0x8b,
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0x8c, 0x87, 0x89, 0x89, 0x88, 0x87, 0x8c, 0x80, 0x82, 0x88, 0x7b,
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0x72, 0x8c, 0x60, 0x68, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 11CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8c, 0x8b,
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0x8c, 0x87, 0x89, 0x89, 0x88, 0x87, 0x8c, 0x80, 0x82, 0x88, 0x7b,
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0x72, 0x8c, 0x60, 0x68, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 12CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8b, 0x8b,
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0x8c, 0x88, 0x89, 0x8a, 0x88, 0x87, 0x8c, 0x81, 0x82, 0x87, 0x7a,
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0x72, 0x8b, 0x60, 0x68, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 13CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8b, 0x8b,
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0x8c, 0x88, 0x89, 0x8a, 0x88, 0x87, 0x8c, 0x81, 0x82, 0x87, 0x7a,
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0x72, 0x8b, 0x61, 0x69, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 14CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b,
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0x8c, 0x88, 0x89, 0x8a, 0x87, 0x86, 0x8a, 0x82, 0x82, 0x87, 0x79,
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0x71, 0x89, 0x63, 0x6c, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 15CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x8a, 0x8c, 0x8c,
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0x8c, 0x86, 0x87, 0x88, 0x85, 0x85, 0x8a, 0x83, 0x83, 0x88, 0x78,
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0x72, 0x89, 0x64, 0x6c, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 16CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b,
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0x8c, 0x86, 0x88, 0x88, 0x86, 0x86, 0x8a, 0x84, 0x84, 0x88, 0x78,
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0x72, 0x89, 0x5d, 0x67, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 17CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x87, 0x89, 0x89, 0x86, 0x86, 0x8a, 0x84, 0x83, 0x87, 0x78,
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0x73, 0x89, 0x64, 0x6e, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 },
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/* 19CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x87, 0x89, 0x89, 0x86, 0x86, 0x89, 0x84, 0x84, 0x87, 0x77,
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0x72, 0x88, 0x65, 0x6f, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 },
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/* 20CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x88, 0x89, 0x89, 0x85, 0x85, 0x88, 0x82, 0x83, 0x85, 0x79,
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0x73, 0x88, 0x65, 0x6f, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 },
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/* 21CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x88, 0x89, 0x89, 0x85, 0x85, 0x88, 0x82, 0x83, 0x85, 0x79,
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0x74, 0x88, 0x65, 0x6f, 0x8e, 0x38, 0x32, 0x24, 0x00, 0x00, 0x00 },
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/* 22CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b,
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0x8c, 0x86, 0x88, 0x87, 0x86, 0x86, 0x89, 0x82, 0x83, 0x85, 0x7c,
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0x75, 0x87, 0x65, 0x6f, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 24CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8c, 0x8b,
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0x8c, 0x86, 0x88, 0x87, 0x86, 0x86, 0x89, 0x82, 0x83, 0x85, 0x7c,
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0x76, 0x86, 0x66, 0x6f, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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/* 25CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x89, 0x88, 0x87, 0x87, 0x89, 0x82, 0x82, 0x84, 0x7f,
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0x7a, 0x89, 0x6b, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 27CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x89, 0x88, 0x87, 0x87, 0x89, 0x82, 0x82, 0x84, 0x7f,
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0x7a, 0x89, 0x6b, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 29CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x84, 0x85, 0x86, 0x80,
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0x7b, 0x88, 0x6a, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 30CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x84, 0x85, 0x86, 0x80,
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0x7b, 0x88, 0x6a, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 32CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x84, 0x85, 0x86, 0x80,
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0x7b, 0x88, 0x6a, 0x73, 0x8f, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 34CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8c, 0x8a, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x89, 0x88, 0x85, 0x84, 0x87, 0x83, 0x84, 0x84, 0x7f,
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0x79, 0x86, 0x6c, 0x76, 0x91, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 37CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x88, 0x88, 0x87, 0x86, 0x87, 0x83, 0x84, 0x84, 0x7f,
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0x79, 0x86, 0x6c, 0x76, 0x90, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 39CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x88, 0x87, 0x84, 0x84, 0x86, 0x83, 0x85, 0x85, 0x80,
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0x79, 0x85, 0x6c, 0x76, 0x90, 0x33, 0x2f, 0x22, 0x00, 0x00, 0x00 },
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/* 41CD */
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{ 0x00, 0xc8, 0x00, 0xc4, 0x00, 0xc5, 0x8b, 0x89, 0x89, 0x8b, 0x8b,
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0x8b, 0x86, 0x88, 0x87, 0x84, 0x84, 0x86, 0x81, 0x84, 0x83, 0x7f,
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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");
|