784 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver.4 *5 * Copyright (c) 2016 Samsung Electronics Co., Ltd.6 * Donghwa Lee <dh09.lee@samsung.com>7 * Hyungwon Hwang <human.hwang@samsung.com>8 * Hoegeun Kwon <hoegeun.kwon@samsung.com>9 */10 11#include <linux/backlight.h>12#include <linux/delay.h>13#include <linux/gpio/consumer.h>14#include <linux/module.h>15#include <linux/of.h>16#include <linux/regulator/consumer.h>17 18#include <drm/drm_mipi_dsi.h>19#include <drm/drm_modes.h>20#include <drm/drm_panel.h>21 22#define S6E3HA2_MIN_BRIGHTNESS 023#define S6E3HA2_MAX_BRIGHTNESS 10024#define S6E3HA2_DEFAULT_BRIGHTNESS 8025 26#define S6E3HA2_NUM_GAMMA_STEPS 4627#define S6E3HA2_GAMMA_CMD_CNT 3528#define S6E3HA2_VINT_STATUS_MAX 1029 30static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = {31 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83,32 0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c,33 0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00,34 0x00, 0x00 },35 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84,36 0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a,37 0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00,38 0x00, 0x00 },39 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,40 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a,41 0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00,42 0x00, 0x00 },43 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,44 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a,45 0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00,46 0x00, 0x00 },47 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85,48 0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b,49 0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00,50 0x00, 0x00 },51 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,52 0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b,53 0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00,54 0x00, 0x00 },55 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,56 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89,57 0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00,58 0x00, 0x00 },59 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,60 0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c,61 0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,62 0x00, 0x00 },63 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,64 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88,65 0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00,66 0x00, 0x00 },67 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83,68 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a,69 0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00,70 0x00, 0x00 },71 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,72 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b,73 0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00,74 0x00, 0x00 },75 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,76 0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c,77 0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00,78 0x00, 0x00 },79 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,80 0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c,81 0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00,82 0x00, 0x00 },83 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,84 0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,85 0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00,86 0x00, 0x00 },87 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,88 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c,89 0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00,90 0x00, 0x00 },91 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,92 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b,93 0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,94 0x00, 0x00 },95 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84,96 0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e,97 0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,98 0x00, 0x00 },99 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,100 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e,101 0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00,102 0x00, 0x00 },103 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,104 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d,105 0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,106 0x00, 0x00 },107 { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83,108 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c,109 0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,110 0x00, 0x00 },111 { 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83,112 0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a,113 0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,114 0x00, 0x00 },115 { 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83,116 0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a,117 0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,118 0x00, 0x00 },119 { 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83,120 0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89,121 0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,122 0x00, 0x00 },123 { 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83,124 0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a,125 0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00,126 0x00, 0x00 },127 { 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82,128 0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87,129 0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,130 0x00, 0x00 },131 { 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82,132 0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88,133 0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,134 0x00, 0x00 },135 { 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83,136 0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89,137 0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00,138 0x00, 0x00 },139 { 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82,140 0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86,141 0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00,142 0x00, 0x00 },143 { 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82,144 0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87,145 0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00,146 0x00, 0x00 },147 { 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81,148 0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86,149 0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,150 0x00, 0x00 },151 { 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82,152 0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83,153 0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00,154 0x00, 0x00 },155 { 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82,156 0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82,157 0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00,158 0x00, 0x00 },159 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,160 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80,161 0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00,162 0x00, 0x00 },163 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81,164 0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,165 0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,166 0x00, 0x00 },167 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,168 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83,169 0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00,170 0x00, 0x00 },171 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,172 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82,173 0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,174 0x00, 0x00 },175 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,176 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83,177 0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,178 0x00, 0x00 },179 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81,180 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83,181 0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00,182 0x00, 0x00 },183 { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80,184 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81,185 0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00,186 0x00, 0x00 },187 { 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81,188 0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83,189 0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00,190 0x00, 0x00 },191 { 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80,192 0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80,193 0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,194 0x00, 0x00 },195 { 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80,196 0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d,197 0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,198 0x00, 0x00 },199 { 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80,200 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82,201 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,202 0x00, 0x00 },203 { 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80,204 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,205 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,206 0x00, 0x00 },207 { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,208 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,209 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,210 0x00, 0x00 },211 { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,212 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,213 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00,214 0x00, 0x00 }215};216 217static const unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = {218 0x18, 0x19, 0x1a, 0x1b, 0x1c,219 0x1d, 0x1e, 0x1f, 0x20, 0x21220};221 222enum s6e3ha2_type {223 HA2_TYPE,224 HF2_TYPE,225};226 227struct s6e3ha2_panel_desc {228 const struct drm_display_mode *mode;229 enum s6e3ha2_type type;230};231 232struct s6e3ha2 {233 struct device *dev;234 struct drm_panel panel;235 struct backlight_device *bl_dev;236 237 struct regulator_bulk_data supplies[2];238 struct gpio_desc *reset_gpio;239 struct gpio_desc *enable_gpio;240 241 const struct s6e3ha2_panel_desc *desc;242};243 244static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len)245{246 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);247 248 return mipi_dsi_dcs_write_buffer(dsi, data, len);249}250 251#define s6e3ha2_dcs_write_seq_static(ctx, seq...) do { \252 static const u8 d[] = { seq }; \253 int ret; \254 ret = s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d)); \255 if (ret < 0) \256 return ret; \257} while (0)258 259#define s6e3ha2_call_write_func(ret, func) do { \260 ret = (func); \261 if (ret < 0) \262 return ret; \263} while (0)264 265static int s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx)266{267 s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a);268 return 0;269}270 271static int s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx)272{273 s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5);274 return 0;275}276 277static int s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx)278{279 s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a);280 return 0;281}282 283static int s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx)284{285 s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5);286 return 0;287}288 289static int s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx)290{291 s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67);292 s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09);293 return 0;294}295 296static int s6e3ha2_freq_calibration(struct s6e3ha2 *ctx)297{298 s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c);299 if (ctx->desc->type == HF2_TYPE)300 s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67, 0x40, 0xc5);301 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39);302 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0);303 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20);304 305 if (ctx->desc->type == HA2_TYPE)306 s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62,307 0x40, 0x80, 0xc0, 0x28, 0x28,308 0x28, 0x28, 0x39, 0xc5);309 else310 s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x14, 0x6d,311 0x40, 0x80, 0xc0, 0x28, 0x28,312 0x28, 0x28, 0x39, 0xc5);313 314 return 0;315}316 317static int s6e3ha2_aor_control(struct s6e3ha2 *ctx)318{319 s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10);320 return 0;321}322 323static int s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx)324{325 s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a);326 return 0;327}328 329static int s6e3ha2_acl_off(struct s6e3ha2 *ctx)330{331 s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00);332 return 0;333}334 335static int s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx)336{337 s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40);338 return 0;339}340 341static int s6e3ha2_test_global(struct s6e3ha2 *ctx)342{343 s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07);344 return 0;345}346 347static int s6e3ha2_test(struct s6e3ha2 *ctx)348{349 s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19);350 return 0;351}352 353static int s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx)354{355 s6e3ha2_dcs_write_seq_static(ctx, 0xbd, 0x33, 0x11, 0x02,356 0x16, 0x02, 0x16);357 return 0;358}359 360static int s6e3ha2_pentile_control(struct s6e3ha2 *ctx)361{362 s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8);363 return 0;364}365 366static int s6e3ha2_poc_global(struct s6e3ha2 *ctx)367{368 s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20);369 return 0;370}371 372static int s6e3ha2_poc_setting(struct s6e3ha2 *ctx)373{374 s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08);375 return 0;376}377 378static int s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx)379{380 s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51);381 return 0;382}383 384static int s6e3ha2_err_fg_set(struct s6e3ha2 *ctx)385{386 s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44);387 return 0;388}389 390static int s6e3ha2_hbm_off(struct s6e3ha2 *ctx)391{392 s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00);393 return 0;394}395 396static int s6e3ha2_te_start_setting(struct s6e3ha2 *ctx)397{398 s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09);399 return 0;400}401 402static int s6e3ha2_gamma_update(struct s6e3ha2 *ctx)403{404 s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03);405 ndelay(100); /* need for 100ns delay */406 s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00);407 return 0;408}409 410static int s6e3ha2_get_brightness(struct backlight_device *bl_dev)411{412 return bl_dev->props.brightness;413}414 415static int s6e3ha2_set_vint(struct s6e3ha2 *ctx)416{417 struct backlight_device *bl_dev = ctx->bl_dev;418 unsigned int brightness = bl_dev->props.brightness;419 unsigned char data[] = { 0xf4, 0x8b,420 vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) /421 S6E3HA2_MAX_BRIGHTNESS] };422 423 return s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data));424}425 426static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness)427{428 return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) /429 S6E3HA2_MAX_BRIGHTNESS;430}431 432static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness)433{434 struct backlight_device *bl_dev = ctx->bl_dev;435 unsigned int index = s6e3ha2_get_brightness_index(brightness);436 u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, };437 int ret;438 439 memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT);440 s6e3ha2_call_write_func(ret,441 s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)));442 443 s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));444 bl_dev->props.brightness = brightness;445 446 return 0;447}448 449static int s6e3ha2_set_brightness(struct backlight_device *bl_dev)450{451 struct s6e3ha2 *ctx = bl_get_data(bl_dev);452 unsigned int brightness = bl_dev->props.brightness;453 int ret;454 455 if (brightness < S6E3HA2_MIN_BRIGHTNESS ||456 brightness > bl_dev->props.max_brightness) {457 dev_err(ctx->dev, "Invalid brightness: %u\n", brightness);458 return -EINVAL;459 }460 461 if (bl_dev->props.power > BACKLIGHT_POWER_REDUCED)462 return -EPERM;463 464 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));465 s6e3ha2_call_write_func(ret, s6e3ha2_update_gamma(ctx, brightness));466 s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));467 s6e3ha2_call_write_func(ret, s6e3ha2_set_vint(ctx));468 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));469 470 return 0;471}472 473static const struct backlight_ops s6e3ha2_bl_ops = {474 .get_brightness = s6e3ha2_get_brightness,475 .update_status = s6e3ha2_set_brightness,476};477 478static int s6e3ha2_panel_init(struct s6e3ha2 *ctx)479{480 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);481 int ret;482 483 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi));484 usleep_range(5000, 6000);485 486 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));487 s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx));488 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));489 s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx));490 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));491 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));492 493 return 0;494}495 496static int s6e3ha2_power_off(struct s6e3ha2 *ctx)497{498 return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);499}500 501static int s6e3ha2_disable(struct drm_panel *panel)502{503 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);504 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);505 int ret;506 507 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi));508 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi));509 510 msleep(40);511 ctx->bl_dev->props.power = BACKLIGHT_POWER_REDUCED;512 513 return 0;514}515 516static int s6e3ha2_unprepare(struct drm_panel *panel)517{518 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);519 520 return s6e3ha2_power_off(ctx);521}522 523static int s6e3ha2_power_on(struct s6e3ha2 *ctx)524{525 int ret;526 527 ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);528 if (ret < 0)529 return ret;530 531 msleep(120);532 533 gpiod_set_value(ctx->enable_gpio, 0);534 usleep_range(5000, 6000);535 gpiod_set_value(ctx->enable_gpio, 1);536 537 gpiod_set_value(ctx->reset_gpio, 1);538 usleep_range(5000, 6000);539 gpiod_set_value(ctx->reset_gpio, 0);540 usleep_range(5000, 6000);541 542 return 0;543}544static int s6e3ha2_prepare(struct drm_panel *panel)545{546 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);547 int ret;548 549 ret = s6e3ha2_power_on(ctx);550 if (ret < 0)551 return ret;552 553 ret = s6e3ha2_panel_init(ctx);554 if (ret < 0)555 goto err;556 557 ctx->bl_dev->props.power = BACKLIGHT_POWER_REDUCED;558 559 return 0;560 561err:562 s6e3ha2_power_off(ctx);563 return ret;564}565 566static int s6e3ha2_enable(struct drm_panel *panel)567{568 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);569 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);570 int ret;571 572 /* common setting */573 s6e3ha2_call_write_func(ret,574 mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK));575 576 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx));577 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx));578 s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx));579 s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx));580 s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx));581 s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx));582 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx));583 584 /* pcd setting off for TB */585 s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx));586 s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx));587 s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx));588 589 /* brightness setting */590 s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev));591 s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx));592 s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx));593 s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx));594 s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx));595 s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx));596 s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx));597 598 /* elvss temp compensation */599 s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx));600 s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx));601 s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx));602 603 s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi));604 ctx->bl_dev->props.power = BACKLIGHT_POWER_ON;605 606 return 0;607}608 609static const struct drm_display_mode s6e3ha2_mode = {610 .clock = 222372,611 .hdisplay = 1440,612 .hsync_start = 1440 + 1,613 .hsync_end = 1440 + 1 + 1,614 .htotal = 1440 + 1 + 1 + 1,615 .vdisplay = 2560,616 .vsync_start = 2560 + 1,617 .vsync_end = 2560 + 1 + 1,618 .vtotal = 2560 + 1 + 1 + 15,619 .flags = 0,620};621 622static const struct s6e3ha2_panel_desc samsung_s6e3ha2 = {623 .mode = &s6e3ha2_mode,624 .type = HA2_TYPE,625};626 627static const struct drm_display_mode s6e3hf2_mode = {628 .clock = 247856,629 .hdisplay = 1600,630 .hsync_start = 1600 + 1,631 .hsync_end = 1600 + 1 + 1,632 .htotal = 1600 + 1 + 1 + 1,633 .vdisplay = 2560,634 .vsync_start = 2560 + 1,635 .vsync_end = 2560 + 1 + 1,636 .vtotal = 2560 + 1 + 1 + 15,637 .flags = 0,638};639 640static const struct s6e3ha2_panel_desc samsung_s6e3hf2 = {641 .mode = &s6e3hf2_mode,642 .type = HF2_TYPE,643};644 645static int s6e3ha2_get_modes(struct drm_panel *panel,646 struct drm_connector *connector)647{648 struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel);649 struct drm_display_mode *mode;650 651 mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);652 if (!mode) {653 dev_err(panel->dev, "failed to add mode %ux%u@%u\n",654 ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay,655 drm_mode_vrefresh(ctx->desc->mode));656 return -ENOMEM;657 }658 659 drm_mode_set_name(mode);660 661 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;662 drm_mode_probed_add(connector, mode);663 664 connector->display_info.width_mm = 71;665 connector->display_info.height_mm = 125;666 667 return 1;668}669 670static const struct drm_panel_funcs s6e3ha2_drm_funcs = {671 .disable = s6e3ha2_disable,672 .unprepare = s6e3ha2_unprepare,673 .prepare = s6e3ha2_prepare,674 .enable = s6e3ha2_enable,675 .get_modes = s6e3ha2_get_modes,676};677 678static int s6e3ha2_probe(struct mipi_dsi_device *dsi)679{680 struct device *dev = &dsi->dev;681 struct s6e3ha2 *ctx;682 int ret;683 684 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);685 if (!ctx)686 return -ENOMEM;687 688 mipi_dsi_set_drvdata(dsi, ctx);689 690 ctx->dev = dev;691 ctx->desc = of_device_get_match_data(dev);692 693 dsi->lanes = 4;694 dsi->format = MIPI_DSI_FMT_RGB888;695 dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS |696 MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP |697 MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET;698 699 ctx->supplies[0].supply = "vdd3";700 ctx->supplies[1].supply = "vci";701 702 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),703 ctx->supplies);704 if (ret < 0) {705 dev_err(dev, "failed to get regulators: %d\n", ret);706 return ret;707 }708 709 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);710 if (IS_ERR(ctx->reset_gpio)) {711 dev_err(dev, "cannot get reset-gpios %ld\n",712 PTR_ERR(ctx->reset_gpio));713 return PTR_ERR(ctx->reset_gpio);714 }715 716 ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);717 if (IS_ERR(ctx->enable_gpio)) {718 dev_err(dev, "cannot get enable-gpios %ld\n",719 PTR_ERR(ctx->enable_gpio));720 return PTR_ERR(ctx->enable_gpio);721 }722 723 ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx,724 &s6e3ha2_bl_ops, NULL);725 if (IS_ERR(ctx->bl_dev)) {726 dev_err(dev, "failed to register backlight device\n");727 return PTR_ERR(ctx->bl_dev);728 }729 730 ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS;731 ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS;732 ctx->bl_dev->props.power = BACKLIGHT_POWER_OFF;733 734 drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs,735 DRM_MODE_CONNECTOR_DSI);736 ctx->panel.prepare_prev_first = true;737 738 drm_panel_add(&ctx->panel);739 740 ret = mipi_dsi_attach(dsi);741 if (ret < 0)742 goto remove_panel;743 744 return ret;745 746remove_panel:747 drm_panel_remove(&ctx->panel);748 backlight_device_unregister(ctx->bl_dev);749 750 return ret;751}752 753static void s6e3ha2_remove(struct mipi_dsi_device *dsi)754{755 struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi);756 757 mipi_dsi_detach(dsi);758 drm_panel_remove(&ctx->panel);759 backlight_device_unregister(ctx->bl_dev);760}761 762static const struct of_device_id s6e3ha2_of_match[] = {763 { .compatible = "samsung,s6e3ha2", .data = &samsung_s6e3ha2 },764 { .compatible = "samsung,s6e3hf2", .data = &samsung_s6e3hf2 },765 { }766};767MODULE_DEVICE_TABLE(of, s6e3ha2_of_match);768 769static struct mipi_dsi_driver s6e3ha2_driver = {770 .probe = s6e3ha2_probe,771 .remove = s6e3ha2_remove,772 .driver = {773 .name = "panel-samsung-s6e3ha2",774 .of_match_table = s6e3ha2_of_match,775 },776};777module_mipi_dsi_driver(s6e3ha2_driver);778 779MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");780MODULE_AUTHOR("Hyungwon Hwang <human.hwang@samsung.com>");781MODULE_AUTHOR("Hoegeun Kwon <hoegeun.kwon@samsung.com>");782MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver");783MODULE_LICENSE("GPL v2");784