1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2ed29f942SHoegeun Kwon /* 3ed29f942SHoegeun Kwon * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver. 4ed29f942SHoegeun Kwon * 5ed29f942SHoegeun Kwon * Copyright (c) 2016 Samsung Electronics Co., Ltd. 6ed29f942SHoegeun Kwon * Donghwa Lee <dh09.lee@samsung.com> 7ed29f942SHoegeun Kwon * Hyungwon Hwang <human.hwang@samsung.com> 8ed29f942SHoegeun Kwon * Hoegeun Kwon <hoegeun.kwon@samsung.com> 9ed29f942SHoegeun Kwon */ 10ed29f942SHoegeun Kwon 11ed29f942SHoegeun Kwon #include <linux/backlight.h> 12cb23eae3SSam Ravnborg #include <linux/delay.h> 13ed29f942SHoegeun Kwon #include <linux/gpio/consumer.h> 14cb23eae3SSam Ravnborg #include <linux/module.h> 15e2af12bfSHoegeun Kwon #include <linux/of_device.h> 16ed29f942SHoegeun Kwon #include <linux/regulator/consumer.h> 17ed29f942SHoegeun Kwon 18cb23eae3SSam Ravnborg #include <drm/drm_mipi_dsi.h> 19cb23eae3SSam Ravnborg #include <drm/drm_modes.h> 20cb23eae3SSam Ravnborg #include <drm/drm_panel.h> 21cb23eae3SSam Ravnborg #include <drm/drm_print.h> 22cb23eae3SSam Ravnborg 23ed29f942SHoegeun Kwon #define S6E3HA2_MIN_BRIGHTNESS 0 24ed29f942SHoegeun Kwon #define S6E3HA2_MAX_BRIGHTNESS 100 25ed29f942SHoegeun Kwon #define S6E3HA2_DEFAULT_BRIGHTNESS 80 26ed29f942SHoegeun Kwon 27ed29f942SHoegeun Kwon #define S6E3HA2_NUM_GAMMA_STEPS 46 28ed29f942SHoegeun Kwon #define S6E3HA2_GAMMA_CMD_CNT 35 29ed29f942SHoegeun Kwon #define S6E3HA2_VINT_STATUS_MAX 10 30ed29f942SHoegeun Kwon 31ed29f942SHoegeun Kwon static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = { 32ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83, 33ed29f942SHoegeun Kwon 0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c, 34ed29f942SHoegeun Kwon 0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00, 35ed29f942SHoegeun Kwon 0x00, 0x00 }, 36ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84, 37ed29f942SHoegeun Kwon 0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a, 38ed29f942SHoegeun Kwon 0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00, 39ed29f942SHoegeun Kwon 0x00, 0x00 }, 40ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 41ed29f942SHoegeun Kwon 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a, 42ed29f942SHoegeun Kwon 0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00, 43ed29f942SHoegeun Kwon 0x00, 0x00 }, 44ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 45ed29f942SHoegeun Kwon 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a, 46ed29f942SHoegeun Kwon 0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00, 47ed29f942SHoegeun Kwon 0x00, 0x00 }, 48ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85, 49ed29f942SHoegeun Kwon 0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b, 50ed29f942SHoegeun Kwon 0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00, 51ed29f942SHoegeun Kwon 0x00, 0x00 }, 52ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 53ed29f942SHoegeun Kwon 0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b, 54ed29f942SHoegeun Kwon 0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00, 55ed29f942SHoegeun Kwon 0x00, 0x00 }, 56ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 57ed29f942SHoegeun Kwon 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89, 58ed29f942SHoegeun Kwon 0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00, 59ed29f942SHoegeun Kwon 0x00, 0x00 }, 60ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 61ed29f942SHoegeun Kwon 0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c, 62ed29f942SHoegeun Kwon 0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00, 63ed29f942SHoegeun Kwon 0x00, 0x00 }, 64ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 65ed29f942SHoegeun Kwon 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88, 66ed29f942SHoegeun Kwon 0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00, 67ed29f942SHoegeun Kwon 0x00, 0x00 }, 68ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 69ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a, 70ed29f942SHoegeun Kwon 0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00, 71ed29f942SHoegeun Kwon 0x00, 0x00 }, 72ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 73ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b, 74ed29f942SHoegeun Kwon 0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00, 75ed29f942SHoegeun Kwon 0x00, 0x00 }, 76ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 77ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c, 78ed29f942SHoegeun Kwon 0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00, 79ed29f942SHoegeun Kwon 0x00, 0x00 }, 80ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 81ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c, 82ed29f942SHoegeun Kwon 0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00, 83ed29f942SHoegeun Kwon 0x00, 0x00 }, 84ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 85ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c, 86ed29f942SHoegeun Kwon 0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00, 87ed29f942SHoegeun Kwon 0x00, 0x00 }, 88ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 89ed29f942SHoegeun Kwon 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c, 90ed29f942SHoegeun Kwon 0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00, 91ed29f942SHoegeun Kwon 0x00, 0x00 }, 92ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 93ed29f942SHoegeun Kwon 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b, 94ed29f942SHoegeun Kwon 0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00, 95ed29f942SHoegeun Kwon 0x00, 0x00 }, 96ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 97ed29f942SHoegeun Kwon 0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e, 98ed29f942SHoegeun Kwon 0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00, 99ed29f942SHoegeun Kwon 0x00, 0x00 }, 100ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83, 101ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e, 102ed29f942SHoegeun Kwon 0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00, 103ed29f942SHoegeun Kwon 0x00, 0x00 }, 104ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83, 105ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d, 106ed29f942SHoegeun Kwon 0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00, 107ed29f942SHoegeun Kwon 0x00, 0x00 }, 108ed29f942SHoegeun Kwon { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83, 109ed29f942SHoegeun Kwon 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c, 110ed29f942SHoegeun Kwon 0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 111ed29f942SHoegeun Kwon 0x00, 0x00 }, 112ed29f942SHoegeun Kwon { 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83, 113ed29f942SHoegeun Kwon 0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a, 114ed29f942SHoegeun Kwon 0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 115ed29f942SHoegeun Kwon 0x00, 0x00 }, 116ed29f942SHoegeun Kwon { 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83, 117ed29f942SHoegeun Kwon 0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a, 118ed29f942SHoegeun Kwon 0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 119ed29f942SHoegeun Kwon 0x00, 0x00 }, 120ed29f942SHoegeun Kwon { 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83, 121ed29f942SHoegeun Kwon 0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89, 122ed29f942SHoegeun Kwon 0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00, 123ed29f942SHoegeun Kwon 0x00, 0x00 }, 124ed29f942SHoegeun Kwon { 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83, 125ed29f942SHoegeun Kwon 0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a, 126ed29f942SHoegeun Kwon 0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00, 127ed29f942SHoegeun Kwon 0x00, 0x00 }, 128ed29f942SHoegeun Kwon { 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82, 129ed29f942SHoegeun Kwon 0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87, 130ed29f942SHoegeun Kwon 0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00, 131ed29f942SHoegeun Kwon 0x00, 0x00 }, 132ed29f942SHoegeun Kwon { 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82, 133ed29f942SHoegeun Kwon 0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88, 134ed29f942SHoegeun Kwon 0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 135ed29f942SHoegeun Kwon 0x00, 0x00 }, 136ed29f942SHoegeun Kwon { 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83, 137ed29f942SHoegeun Kwon 0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89, 138ed29f942SHoegeun Kwon 0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00, 139ed29f942SHoegeun Kwon 0x00, 0x00 }, 140ed29f942SHoegeun Kwon { 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82, 141ed29f942SHoegeun Kwon 0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86, 142ed29f942SHoegeun Kwon 0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00, 143ed29f942SHoegeun Kwon 0x00, 0x00 }, 144ed29f942SHoegeun Kwon { 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82, 145ed29f942SHoegeun Kwon 0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87, 146ed29f942SHoegeun Kwon 0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00, 147ed29f942SHoegeun Kwon 0x00, 0x00 }, 148ed29f942SHoegeun Kwon { 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81, 149ed29f942SHoegeun Kwon 0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86, 150ed29f942SHoegeun Kwon 0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00, 151ed29f942SHoegeun Kwon 0x00, 0x00 }, 152ed29f942SHoegeun Kwon { 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82, 153ed29f942SHoegeun Kwon 0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83, 154ed29f942SHoegeun Kwon 0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00, 155ed29f942SHoegeun Kwon 0x00, 0x00 }, 156ed29f942SHoegeun Kwon { 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82, 157ed29f942SHoegeun Kwon 0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82, 158ed29f942SHoegeun Kwon 0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00, 159ed29f942SHoegeun Kwon 0x00, 0x00 }, 160ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 161ed29f942SHoegeun Kwon 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80, 162ed29f942SHoegeun Kwon 0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00, 163ed29f942SHoegeun Kwon 0x00, 0x00 }, 164ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81, 165ed29f942SHoegeun Kwon 0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83, 166ed29f942SHoegeun Kwon 0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00, 167ed29f942SHoegeun Kwon 0x00, 0x00 }, 168ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 169ed29f942SHoegeun Kwon 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83, 170ed29f942SHoegeun Kwon 0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 171ed29f942SHoegeun Kwon 0x00, 0x00 }, 172ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 173ed29f942SHoegeun Kwon 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82, 174ed29f942SHoegeun Kwon 0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 175ed29f942SHoegeun Kwon 0x00, 0x00 }, 176ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 177ed29f942SHoegeun Kwon 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83, 178ed29f942SHoegeun Kwon 0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 179ed29f942SHoegeun Kwon 0x00, 0x00 }, 180ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 181ed29f942SHoegeun Kwon 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83, 182ed29f942SHoegeun Kwon 0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00, 183ed29f942SHoegeun Kwon 0x00, 0x00 }, 184ed29f942SHoegeun Kwon { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80, 185ed29f942SHoegeun Kwon 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81, 186ed29f942SHoegeun Kwon 0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00, 187ed29f942SHoegeun Kwon 0x00, 0x00 }, 188ed29f942SHoegeun Kwon { 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81, 189ed29f942SHoegeun Kwon 0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83, 190ed29f942SHoegeun Kwon 0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00, 191ed29f942SHoegeun Kwon 0x00, 0x00 }, 192ed29f942SHoegeun Kwon { 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80, 193ed29f942SHoegeun Kwon 0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80, 194ed29f942SHoegeun Kwon 0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 195ed29f942SHoegeun Kwon 0x00, 0x00 }, 196ed29f942SHoegeun Kwon { 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80, 197ed29f942SHoegeun Kwon 0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d, 198ed29f942SHoegeun Kwon 0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 199ed29f942SHoegeun Kwon 0x00, 0x00 }, 200ed29f942SHoegeun Kwon { 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80, 201ed29f942SHoegeun Kwon 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82, 202ed29f942SHoegeun Kwon 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 203ed29f942SHoegeun Kwon 0x00, 0x00 }, 204ed29f942SHoegeun Kwon { 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80, 205ed29f942SHoegeun Kwon 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 206ed29f942SHoegeun Kwon 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 207ed29f942SHoegeun Kwon 0x00, 0x00 }, 208ed29f942SHoegeun Kwon { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 209ed29f942SHoegeun Kwon 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 210ed29f942SHoegeun Kwon 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 211ed29f942SHoegeun Kwon 0x00, 0x00 }, 212ed29f942SHoegeun Kwon { 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 213ed29f942SHoegeun Kwon 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 214ed29f942SHoegeun Kwon 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 215ed29f942SHoegeun Kwon 0x00, 0x00 } 216ed29f942SHoegeun Kwon }; 217ed29f942SHoegeun Kwon 218ed29f942SHoegeun Kwon unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = { 219ed29f942SHoegeun Kwon 0x18, 0x19, 0x1a, 0x1b, 0x1c, 220ed29f942SHoegeun Kwon 0x1d, 0x1e, 0x1f, 0x20, 0x21 221ed29f942SHoegeun Kwon }; 222ed29f942SHoegeun Kwon 223e2af12bfSHoegeun Kwon enum s6e3ha2_type { 224e2af12bfSHoegeun Kwon HA2_TYPE, 225e2af12bfSHoegeun Kwon HF2_TYPE, 226e2af12bfSHoegeun Kwon }; 227e2af12bfSHoegeun Kwon 228e2af12bfSHoegeun Kwon struct s6e3ha2_panel_desc { 229e2af12bfSHoegeun Kwon const struct drm_display_mode *mode; 230e2af12bfSHoegeun Kwon enum s6e3ha2_type type; 231e2af12bfSHoegeun Kwon }; 232e2af12bfSHoegeun Kwon 233ed29f942SHoegeun Kwon struct s6e3ha2 { 234ed29f942SHoegeun Kwon struct device *dev; 235ed29f942SHoegeun Kwon struct drm_panel panel; 236ed29f942SHoegeun Kwon struct backlight_device *bl_dev; 237ed29f942SHoegeun Kwon 238ed29f942SHoegeun Kwon struct regulator_bulk_data supplies[2]; 239ed29f942SHoegeun Kwon struct gpio_desc *reset_gpio; 240ed29f942SHoegeun Kwon struct gpio_desc *enable_gpio; 241e2af12bfSHoegeun Kwon 242e2af12bfSHoegeun Kwon const struct s6e3ha2_panel_desc *desc; 243ed29f942SHoegeun Kwon }; 244ed29f942SHoegeun Kwon 245ed29f942SHoegeun Kwon static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len) 246ed29f942SHoegeun Kwon { 247ed29f942SHoegeun Kwon struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); 248ed29f942SHoegeun Kwon 249ed29f942SHoegeun Kwon return mipi_dsi_dcs_write_buffer(dsi, data, len); 250ed29f942SHoegeun Kwon } 251ed29f942SHoegeun Kwon 252ed29f942SHoegeun Kwon #define s6e3ha2_dcs_write_seq_static(ctx, seq...) do { \ 253ed29f942SHoegeun Kwon static const u8 d[] = { seq }; \ 254ed29f942SHoegeun Kwon int ret; \ 255ed29f942SHoegeun Kwon ret = s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d)); \ 256ed29f942SHoegeun Kwon if (ret < 0) \ 257ed29f942SHoegeun Kwon return ret; \ 258ed29f942SHoegeun Kwon } while (0) 259ed29f942SHoegeun Kwon 260ed29f942SHoegeun Kwon #define s6e3ha2_call_write_func(ret, func) do { \ 261ed29f942SHoegeun Kwon ret = (func); \ 262ed29f942SHoegeun Kwon if (ret < 0) \ 263ed29f942SHoegeun Kwon return ret; \ 264ed29f942SHoegeun Kwon } while (0) 265ed29f942SHoegeun Kwon 266ed29f942SHoegeun Kwon static int s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx) 267ed29f942SHoegeun Kwon { 268ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a); 269ed29f942SHoegeun Kwon return 0; 270ed29f942SHoegeun Kwon } 271ed29f942SHoegeun Kwon 272ed29f942SHoegeun Kwon static int s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx) 273ed29f942SHoegeun Kwon { 274ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5); 275ed29f942SHoegeun Kwon return 0; 276ed29f942SHoegeun Kwon } 277ed29f942SHoegeun Kwon 278ed29f942SHoegeun Kwon static int s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx) 279ed29f942SHoegeun Kwon { 280ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a); 281ed29f942SHoegeun Kwon return 0; 282ed29f942SHoegeun Kwon } 283ed29f942SHoegeun Kwon 284ed29f942SHoegeun Kwon static int s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx) 285ed29f942SHoegeun Kwon { 286ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5); 287ed29f942SHoegeun Kwon return 0; 288ed29f942SHoegeun Kwon } 289ed29f942SHoegeun Kwon 290ed29f942SHoegeun Kwon static int s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx) 291ed29f942SHoegeun Kwon { 292ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67); 293ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09); 294ed29f942SHoegeun Kwon return 0; 295ed29f942SHoegeun Kwon } 296ed29f942SHoegeun Kwon 297ed29f942SHoegeun Kwon static int s6e3ha2_freq_calibration(struct s6e3ha2 *ctx) 298ed29f942SHoegeun Kwon { 299ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c); 300e2af12bfSHoegeun Kwon if (ctx->desc->type == HF2_TYPE) 301e2af12bfSHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67, 0x40, 0xc5); 302ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39); 303ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0); 304ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20); 305e2af12bfSHoegeun Kwon 306e2af12bfSHoegeun Kwon if (ctx->desc->type == HA2_TYPE) 307e2af12bfSHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62, 308e2af12bfSHoegeun Kwon 0x40, 0x80, 0xc0, 0x28, 0x28, 309e2af12bfSHoegeun Kwon 0x28, 0x28, 0x39, 0xc5); 310e2af12bfSHoegeun Kwon else 311e2af12bfSHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x14, 0x6d, 312e2af12bfSHoegeun Kwon 0x40, 0x80, 0xc0, 0x28, 0x28, 313e2af12bfSHoegeun Kwon 0x28, 0x28, 0x39, 0xc5); 314e2af12bfSHoegeun Kwon 315ed29f942SHoegeun Kwon return 0; 316ed29f942SHoegeun Kwon } 317ed29f942SHoegeun Kwon 318ed29f942SHoegeun Kwon static int s6e3ha2_aor_control(struct s6e3ha2 *ctx) 319ed29f942SHoegeun Kwon { 320ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10); 321ed29f942SHoegeun Kwon return 0; 322ed29f942SHoegeun Kwon } 323ed29f942SHoegeun Kwon 324ed29f942SHoegeun Kwon static int s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx) 325ed29f942SHoegeun Kwon { 326ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a); 327ed29f942SHoegeun Kwon return 0; 328ed29f942SHoegeun Kwon } 329ed29f942SHoegeun Kwon 330ed29f942SHoegeun Kwon static int s6e3ha2_acl_off(struct s6e3ha2 *ctx) 331ed29f942SHoegeun Kwon { 332ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00); 333ed29f942SHoegeun Kwon return 0; 334ed29f942SHoegeun Kwon } 335ed29f942SHoegeun Kwon 336ed29f942SHoegeun Kwon static int s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx) 337ed29f942SHoegeun Kwon { 338ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40); 339ed29f942SHoegeun Kwon return 0; 340ed29f942SHoegeun Kwon } 341ed29f942SHoegeun Kwon 342ed29f942SHoegeun Kwon static int s6e3ha2_test_global(struct s6e3ha2 *ctx) 343ed29f942SHoegeun Kwon { 344ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07); 345ed29f942SHoegeun Kwon return 0; 346ed29f942SHoegeun Kwon } 347ed29f942SHoegeun Kwon 348ed29f942SHoegeun Kwon static int s6e3ha2_test(struct s6e3ha2 *ctx) 349ed29f942SHoegeun Kwon { 350ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19); 351ed29f942SHoegeun Kwon return 0; 352ed29f942SHoegeun Kwon } 353ed29f942SHoegeun Kwon 354ed29f942SHoegeun Kwon static int s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx) 355ed29f942SHoegeun Kwon { 356ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xbd, 0x33, 0x11, 0x02, 357ed29f942SHoegeun Kwon 0x16, 0x02, 0x16); 358ed29f942SHoegeun Kwon return 0; 359ed29f942SHoegeun Kwon } 360ed29f942SHoegeun Kwon 361ed29f942SHoegeun Kwon static int s6e3ha2_pentile_control(struct s6e3ha2 *ctx) 362ed29f942SHoegeun Kwon { 363ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8); 364ed29f942SHoegeun Kwon return 0; 365ed29f942SHoegeun Kwon } 366ed29f942SHoegeun Kwon 367ed29f942SHoegeun Kwon static int s6e3ha2_poc_global(struct s6e3ha2 *ctx) 368ed29f942SHoegeun Kwon { 369ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20); 370ed29f942SHoegeun Kwon return 0; 371ed29f942SHoegeun Kwon } 372ed29f942SHoegeun Kwon 373ed29f942SHoegeun Kwon static int s6e3ha2_poc_setting(struct s6e3ha2 *ctx) 374ed29f942SHoegeun Kwon { 375ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08); 376ed29f942SHoegeun Kwon return 0; 377ed29f942SHoegeun Kwon } 378ed29f942SHoegeun Kwon 379ed29f942SHoegeun Kwon static int s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx) 380ed29f942SHoegeun Kwon { 381ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51); 382ed29f942SHoegeun Kwon return 0; 383ed29f942SHoegeun Kwon } 384ed29f942SHoegeun Kwon 385ed29f942SHoegeun Kwon static int s6e3ha2_err_fg_set(struct s6e3ha2 *ctx) 386ed29f942SHoegeun Kwon { 387ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44); 388ed29f942SHoegeun Kwon return 0; 389ed29f942SHoegeun Kwon } 390ed29f942SHoegeun Kwon 391ed29f942SHoegeun Kwon static int s6e3ha2_hbm_off(struct s6e3ha2 *ctx) 392ed29f942SHoegeun Kwon { 393ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00); 394ed29f942SHoegeun Kwon return 0; 395ed29f942SHoegeun Kwon } 396ed29f942SHoegeun Kwon 397ed29f942SHoegeun Kwon static int s6e3ha2_te_start_setting(struct s6e3ha2 *ctx) 398ed29f942SHoegeun Kwon { 399ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09); 400ed29f942SHoegeun Kwon return 0; 401ed29f942SHoegeun Kwon } 402ed29f942SHoegeun Kwon 403ed29f942SHoegeun Kwon static int s6e3ha2_gamma_update(struct s6e3ha2 *ctx) 404ed29f942SHoegeun Kwon { 405ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03); 406ed29f942SHoegeun Kwon ndelay(100); /* need for 100ns delay */ 407ed29f942SHoegeun Kwon s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00); 408ed29f942SHoegeun Kwon return 0; 409ed29f942SHoegeun Kwon } 410ed29f942SHoegeun Kwon 411ed29f942SHoegeun Kwon static int s6e3ha2_get_brightness(struct backlight_device *bl_dev) 412ed29f942SHoegeun Kwon { 413ed29f942SHoegeun Kwon return bl_dev->props.brightness; 414ed29f942SHoegeun Kwon } 415ed29f942SHoegeun Kwon 416ed29f942SHoegeun Kwon static int s6e3ha2_set_vint(struct s6e3ha2 *ctx) 417ed29f942SHoegeun Kwon { 418ed29f942SHoegeun Kwon struct backlight_device *bl_dev = ctx->bl_dev; 419ed29f942SHoegeun Kwon unsigned int brightness = bl_dev->props.brightness; 420ed29f942SHoegeun Kwon unsigned char data[] = { 0xf4, 0x8b, 421ed29f942SHoegeun Kwon vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) / 422ed29f942SHoegeun Kwon S6E3HA2_MAX_BRIGHTNESS] }; 423ed29f942SHoegeun Kwon 424ed29f942SHoegeun Kwon return s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)); 425ed29f942SHoegeun Kwon } 426ed29f942SHoegeun Kwon 427ed29f942SHoegeun Kwon static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness) 428ed29f942SHoegeun Kwon { 429ed29f942SHoegeun Kwon return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) / 430ed29f942SHoegeun Kwon S6E3HA2_MAX_BRIGHTNESS; 431ed29f942SHoegeun Kwon } 432ed29f942SHoegeun Kwon 433ed29f942SHoegeun Kwon static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness) 434ed29f942SHoegeun Kwon { 435ed29f942SHoegeun Kwon struct backlight_device *bl_dev = ctx->bl_dev; 436ed29f942SHoegeun Kwon unsigned int index = s6e3ha2_get_brightness_index(brightness); 437ed29f942SHoegeun Kwon u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, }; 438ed29f942SHoegeun Kwon int ret; 439ed29f942SHoegeun Kwon 440ed29f942SHoegeun Kwon memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT); 441ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, 442ed29f942SHoegeun Kwon s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data))); 443ed29f942SHoegeun Kwon 444ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx)); 445ed29f942SHoegeun Kwon bl_dev->props.brightness = brightness; 446ed29f942SHoegeun Kwon 447ed29f942SHoegeun Kwon return 0; 448ed29f942SHoegeun Kwon } 449ed29f942SHoegeun Kwon 450ed29f942SHoegeun Kwon static int s6e3ha2_set_brightness(struct backlight_device *bl_dev) 451ed29f942SHoegeun Kwon { 452ed29f942SHoegeun Kwon struct s6e3ha2 *ctx = bl_get_data(bl_dev); 453ed29f942SHoegeun Kwon unsigned int brightness = bl_dev->props.brightness; 454ed29f942SHoegeun Kwon int ret; 455ed29f942SHoegeun Kwon 456ed29f942SHoegeun Kwon if (brightness < S6E3HA2_MIN_BRIGHTNESS || 457ed29f942SHoegeun Kwon brightness > bl_dev->props.max_brightness) { 458ed29f942SHoegeun Kwon dev_err(ctx->dev, "Invalid brightness: %u\n", brightness); 459ed29f942SHoegeun Kwon return -EINVAL; 460ed29f942SHoegeun Kwon } 461ed29f942SHoegeun Kwon 462ed29f942SHoegeun Kwon if (bl_dev->props.power > FB_BLANK_NORMAL) 463ed29f942SHoegeun Kwon return -EPERM; 464ed29f942SHoegeun Kwon 465ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); 466ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_update_gamma(ctx, brightness)); 467ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx)); 468ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_set_vint(ctx)); 469ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); 470ed29f942SHoegeun Kwon 471ed29f942SHoegeun Kwon return 0; 472ed29f942SHoegeun Kwon } 473ed29f942SHoegeun Kwon 474ed29f942SHoegeun Kwon static const struct backlight_ops s6e3ha2_bl_ops = { 475ed29f942SHoegeun Kwon .get_brightness = s6e3ha2_get_brightness, 476ed29f942SHoegeun Kwon .update_status = s6e3ha2_set_brightness, 477ed29f942SHoegeun Kwon }; 478ed29f942SHoegeun Kwon 479ed29f942SHoegeun Kwon static int s6e3ha2_panel_init(struct s6e3ha2 *ctx) 480ed29f942SHoegeun Kwon { 481ed29f942SHoegeun Kwon struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); 482ed29f942SHoegeun Kwon int ret; 483ed29f942SHoegeun Kwon 484ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi)); 485ed29f942SHoegeun Kwon usleep_range(5000, 6000); 486ed29f942SHoegeun Kwon 487ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); 488ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx)); 489ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx)); 490ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx)); 491ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx)); 492ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); 493ed29f942SHoegeun Kwon 494ed29f942SHoegeun Kwon return 0; 495ed29f942SHoegeun Kwon } 496ed29f942SHoegeun Kwon 497ed29f942SHoegeun Kwon static int s6e3ha2_power_off(struct s6e3ha2 *ctx) 498ed29f942SHoegeun Kwon { 499ed29f942SHoegeun Kwon return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); 500ed29f942SHoegeun Kwon } 501ed29f942SHoegeun Kwon 502ed29f942SHoegeun Kwon static int s6e3ha2_disable(struct drm_panel *panel) 503ed29f942SHoegeun Kwon { 504ed29f942SHoegeun Kwon struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); 505ed29f942SHoegeun Kwon struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); 506ed29f942SHoegeun Kwon int ret; 507ed29f942SHoegeun Kwon 508ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi)); 509ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi)); 510ed29f942SHoegeun Kwon 511ed29f942SHoegeun Kwon msleep(40); 512ed29f942SHoegeun Kwon ctx->bl_dev->props.power = FB_BLANK_NORMAL; 513ed29f942SHoegeun Kwon 514ed29f942SHoegeun Kwon return 0; 515ed29f942SHoegeun Kwon } 516ed29f942SHoegeun Kwon 517ed29f942SHoegeun Kwon static int s6e3ha2_unprepare(struct drm_panel *panel) 518ed29f942SHoegeun Kwon { 519ed29f942SHoegeun Kwon struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); 520ed29f942SHoegeun Kwon 521ed29f942SHoegeun Kwon return s6e3ha2_power_off(ctx); 522ed29f942SHoegeun Kwon } 523ed29f942SHoegeun Kwon 524ed29f942SHoegeun Kwon static int s6e3ha2_power_on(struct s6e3ha2 *ctx) 525ed29f942SHoegeun Kwon { 526ed29f942SHoegeun Kwon int ret; 527ed29f942SHoegeun Kwon 528ed29f942SHoegeun Kwon ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); 529ed29f942SHoegeun Kwon if (ret < 0) 530ed29f942SHoegeun Kwon return ret; 531ed29f942SHoegeun Kwon 532ed29f942SHoegeun Kwon msleep(120); 533ed29f942SHoegeun Kwon 534ed29f942SHoegeun Kwon gpiod_set_value(ctx->enable_gpio, 0); 535ed29f942SHoegeun Kwon usleep_range(5000, 6000); 536ed29f942SHoegeun Kwon gpiod_set_value(ctx->enable_gpio, 1); 537ed29f942SHoegeun Kwon 538ed29f942SHoegeun Kwon gpiod_set_value(ctx->reset_gpio, 1); 539ed29f942SHoegeun Kwon usleep_range(5000, 6000); 540ed29f942SHoegeun Kwon gpiod_set_value(ctx->reset_gpio, 0); 541ed29f942SHoegeun Kwon usleep_range(5000, 6000); 542ed29f942SHoegeun Kwon 543ed29f942SHoegeun Kwon return 0; 544ed29f942SHoegeun Kwon } 545ed29f942SHoegeun Kwon static int s6e3ha2_prepare(struct drm_panel *panel) 546ed29f942SHoegeun Kwon { 547ed29f942SHoegeun Kwon struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); 548ed29f942SHoegeun Kwon int ret; 549ed29f942SHoegeun Kwon 550ed29f942SHoegeun Kwon ret = s6e3ha2_power_on(ctx); 551ed29f942SHoegeun Kwon if (ret < 0) 552ed29f942SHoegeun Kwon return ret; 553ed29f942SHoegeun Kwon 554ed29f942SHoegeun Kwon ret = s6e3ha2_panel_init(ctx); 555ed29f942SHoegeun Kwon if (ret < 0) 556ed29f942SHoegeun Kwon goto err; 557ed29f942SHoegeun Kwon 558ed29f942SHoegeun Kwon ctx->bl_dev->props.power = FB_BLANK_NORMAL; 559ed29f942SHoegeun Kwon 560ed29f942SHoegeun Kwon return 0; 561ed29f942SHoegeun Kwon 562ed29f942SHoegeun Kwon err: 563ed29f942SHoegeun Kwon s6e3ha2_power_off(ctx); 564ed29f942SHoegeun Kwon return ret; 565ed29f942SHoegeun Kwon } 566ed29f942SHoegeun Kwon 567ed29f942SHoegeun Kwon static int s6e3ha2_enable(struct drm_panel *panel) 568ed29f942SHoegeun Kwon { 569ed29f942SHoegeun Kwon struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); 570ed29f942SHoegeun Kwon struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); 571ed29f942SHoegeun Kwon int ret; 572ed29f942SHoegeun Kwon 573ed29f942SHoegeun Kwon /* common setting */ 574ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, 575ed29f942SHoegeun Kwon mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK)); 576ed29f942SHoegeun Kwon 577ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); 578ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx)); 579ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx)); 580ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx)); 581ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx)); 582ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx)); 583ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx)); 584ed29f942SHoegeun Kwon 585ed29f942SHoegeun Kwon /* pcd setting off for TB */ 586ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx)); 587ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx)); 588ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx)); 589ed29f942SHoegeun Kwon 590ed29f942SHoegeun Kwon /* brightness setting */ 591ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev)); 592ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx)); 593ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx)); 594ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx)); 595ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx)); 596ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx)); 597ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx)); 598ed29f942SHoegeun Kwon 599ed29f942SHoegeun Kwon /* elvss temp compensation */ 600ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx)); 601ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx)); 602ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); 603ed29f942SHoegeun Kwon 604ed29f942SHoegeun Kwon s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi)); 605ed29f942SHoegeun Kwon ctx->bl_dev->props.power = FB_BLANK_UNBLANK; 606ed29f942SHoegeun Kwon 607ed29f942SHoegeun Kwon return 0; 608ed29f942SHoegeun Kwon } 609ed29f942SHoegeun Kwon 610e2af12bfSHoegeun Kwon static const struct drm_display_mode s6e3ha2_mode = { 611ed29f942SHoegeun Kwon .clock = 222372, 612ed29f942SHoegeun Kwon .hdisplay = 1440, 613ed29f942SHoegeun Kwon .hsync_start = 1440 + 1, 614ed29f942SHoegeun Kwon .hsync_end = 1440 + 1 + 1, 615ed29f942SHoegeun Kwon .htotal = 1440 + 1 + 1 + 1, 616ed29f942SHoegeun Kwon .vdisplay = 2560, 617ed29f942SHoegeun Kwon .vsync_start = 2560 + 1, 618ed29f942SHoegeun Kwon .vsync_end = 2560 + 1 + 1, 619ed29f942SHoegeun Kwon .vtotal = 2560 + 1 + 1 + 15, 620ed29f942SHoegeun Kwon .vrefresh = 60, 621ed29f942SHoegeun Kwon .flags = 0, 622ed29f942SHoegeun Kwon }; 623ed29f942SHoegeun Kwon 624e2af12bfSHoegeun Kwon static const struct s6e3ha2_panel_desc samsung_s6e3ha2 = { 625e2af12bfSHoegeun Kwon .mode = &s6e3ha2_mode, 626e2af12bfSHoegeun Kwon .type = HA2_TYPE, 627e2af12bfSHoegeun Kwon }; 628e2af12bfSHoegeun Kwon 629e2af12bfSHoegeun Kwon static const struct drm_display_mode s6e3hf2_mode = { 630e2af12bfSHoegeun Kwon .clock = 247856, 631e2af12bfSHoegeun Kwon .hdisplay = 1600, 632e2af12bfSHoegeun Kwon .hsync_start = 1600 + 1, 633e2af12bfSHoegeun Kwon .hsync_end = 1600 + 1 + 1, 634e2af12bfSHoegeun Kwon .htotal = 1600 + 1 + 1 + 1, 635e2af12bfSHoegeun Kwon .vdisplay = 2560, 636e2af12bfSHoegeun Kwon .vsync_start = 2560 + 1, 637e2af12bfSHoegeun Kwon .vsync_end = 2560 + 1 + 1, 638e2af12bfSHoegeun Kwon .vtotal = 2560 + 1 + 1 + 15, 639e2af12bfSHoegeun Kwon .vrefresh = 60, 640e2af12bfSHoegeun Kwon .flags = 0, 641e2af12bfSHoegeun Kwon }; 642e2af12bfSHoegeun Kwon 643e2af12bfSHoegeun Kwon static const struct s6e3ha2_panel_desc samsung_s6e3hf2 = { 644e2af12bfSHoegeun Kwon .mode = &s6e3hf2_mode, 645e2af12bfSHoegeun Kwon .type = HF2_TYPE, 646e2af12bfSHoegeun Kwon }; 647e2af12bfSHoegeun Kwon 6480ce8ddd8SSam Ravnborg static int s6e3ha2_get_modes(struct drm_panel *panel, 6490ce8ddd8SSam Ravnborg struct drm_connector *connector) 650ed29f942SHoegeun Kwon { 651e2af12bfSHoegeun Kwon struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); 652ed29f942SHoegeun Kwon struct drm_display_mode *mode; 653ed29f942SHoegeun Kwon 654e2af12bfSHoegeun Kwon mode = drm_mode_duplicate(panel->drm, ctx->desc->mode); 655ed29f942SHoegeun Kwon if (!mode) { 656ed29f942SHoegeun Kwon DRM_ERROR("failed to add mode %ux%ux@%u\n", 657e2af12bfSHoegeun Kwon ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, 658e2af12bfSHoegeun Kwon ctx->desc->mode->vrefresh); 659ed29f942SHoegeun Kwon return -ENOMEM; 660ed29f942SHoegeun Kwon } 661ed29f942SHoegeun Kwon 662ed29f942SHoegeun Kwon drm_mode_set_name(mode); 663ed29f942SHoegeun Kwon 664ed29f942SHoegeun Kwon mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 665ed29f942SHoegeun Kwon drm_mode_probed_add(connector, mode); 666ed29f942SHoegeun Kwon 667ed29f942SHoegeun Kwon connector->display_info.width_mm = 71; 668ed29f942SHoegeun Kwon connector->display_info.height_mm = 125; 669ed29f942SHoegeun Kwon 670ed29f942SHoegeun Kwon return 1; 671ed29f942SHoegeun Kwon } 672ed29f942SHoegeun Kwon 673ed29f942SHoegeun Kwon static const struct drm_panel_funcs s6e3ha2_drm_funcs = { 674ed29f942SHoegeun Kwon .disable = s6e3ha2_disable, 675ed29f942SHoegeun Kwon .unprepare = s6e3ha2_unprepare, 676ed29f942SHoegeun Kwon .prepare = s6e3ha2_prepare, 677ed29f942SHoegeun Kwon .enable = s6e3ha2_enable, 678ed29f942SHoegeun Kwon .get_modes = s6e3ha2_get_modes, 679ed29f942SHoegeun Kwon }; 680ed29f942SHoegeun Kwon 681ed29f942SHoegeun Kwon static int s6e3ha2_probe(struct mipi_dsi_device *dsi) 682ed29f942SHoegeun Kwon { 683ed29f942SHoegeun Kwon struct device *dev = &dsi->dev; 684ed29f942SHoegeun Kwon struct s6e3ha2 *ctx; 685ed29f942SHoegeun Kwon int ret; 686ed29f942SHoegeun Kwon 687ed29f942SHoegeun Kwon ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); 688ed29f942SHoegeun Kwon if (!ctx) 689ed29f942SHoegeun Kwon return -ENOMEM; 690ed29f942SHoegeun Kwon 691ed29f942SHoegeun Kwon mipi_dsi_set_drvdata(dsi, ctx); 692ed29f942SHoegeun Kwon 693ed29f942SHoegeun Kwon ctx->dev = dev; 694e2af12bfSHoegeun Kwon ctx->desc = of_device_get_match_data(dev); 695ed29f942SHoegeun Kwon 696ed29f942SHoegeun Kwon dsi->lanes = 4; 697ed29f942SHoegeun Kwon dsi->format = MIPI_DSI_FMT_RGB888; 698ed29f942SHoegeun Kwon dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS; 699ed29f942SHoegeun Kwon 700ed29f942SHoegeun Kwon ctx->supplies[0].supply = "vdd3"; 701ed29f942SHoegeun Kwon ctx->supplies[1].supply = "vci"; 702ed29f942SHoegeun Kwon 703ed29f942SHoegeun Kwon ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), 704ed29f942SHoegeun Kwon ctx->supplies); 705ed29f942SHoegeun Kwon if (ret < 0) { 706ed29f942SHoegeun Kwon dev_err(dev, "failed to get regulators: %d\n", ret); 707ed29f942SHoegeun Kwon return ret; 708ed29f942SHoegeun Kwon } 709ed29f942SHoegeun Kwon 710ed29f942SHoegeun Kwon ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 711ed29f942SHoegeun Kwon if (IS_ERR(ctx->reset_gpio)) { 712ed29f942SHoegeun Kwon dev_err(dev, "cannot get reset-gpios %ld\n", 713ed29f942SHoegeun Kwon PTR_ERR(ctx->reset_gpio)); 714ed29f942SHoegeun Kwon return PTR_ERR(ctx->reset_gpio); 715ed29f942SHoegeun Kwon } 716ed29f942SHoegeun Kwon 717ed29f942SHoegeun Kwon ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); 718ed29f942SHoegeun Kwon if (IS_ERR(ctx->enable_gpio)) { 719ed29f942SHoegeun Kwon dev_err(dev, "cannot get enable-gpios %ld\n", 720ed29f942SHoegeun Kwon PTR_ERR(ctx->enable_gpio)); 721ed29f942SHoegeun Kwon return PTR_ERR(ctx->enable_gpio); 722ed29f942SHoegeun Kwon } 723ed29f942SHoegeun Kwon 724ed29f942SHoegeun Kwon ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx, 725ed29f942SHoegeun Kwon &s6e3ha2_bl_ops, NULL); 726ed29f942SHoegeun Kwon if (IS_ERR(ctx->bl_dev)) { 727ed29f942SHoegeun Kwon dev_err(dev, "failed to register backlight device\n"); 728ed29f942SHoegeun Kwon return PTR_ERR(ctx->bl_dev); 729ed29f942SHoegeun Kwon } 730ed29f942SHoegeun Kwon 731ed29f942SHoegeun Kwon ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS; 732ed29f942SHoegeun Kwon ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS; 733ed29f942SHoegeun Kwon ctx->bl_dev->props.power = FB_BLANK_POWERDOWN; 734ed29f942SHoegeun Kwon 7359a2654c0SLaurent Pinchart drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs, 7369a2654c0SLaurent Pinchart DRM_MODE_CONNECTOR_DSI); 737ed29f942SHoegeun Kwon 738ed29f942SHoegeun Kwon ret = drm_panel_add(&ctx->panel); 739ed29f942SHoegeun Kwon if (ret < 0) 740ed29f942SHoegeun Kwon goto unregister_backlight; 741ed29f942SHoegeun Kwon 742ed29f942SHoegeun Kwon ret = mipi_dsi_attach(dsi); 743ed29f942SHoegeun Kwon if (ret < 0) 744ed29f942SHoegeun Kwon goto remove_panel; 745ed29f942SHoegeun Kwon 746ed29f942SHoegeun Kwon return ret; 747ed29f942SHoegeun Kwon 748ed29f942SHoegeun Kwon remove_panel: 749ed29f942SHoegeun Kwon drm_panel_remove(&ctx->panel); 750ed29f942SHoegeun Kwon 751ed29f942SHoegeun Kwon unregister_backlight: 752ed29f942SHoegeun Kwon backlight_device_unregister(ctx->bl_dev); 753ed29f942SHoegeun Kwon 754ed29f942SHoegeun Kwon return ret; 755ed29f942SHoegeun Kwon } 756ed29f942SHoegeun Kwon 757ed29f942SHoegeun Kwon static int s6e3ha2_remove(struct mipi_dsi_device *dsi) 758ed29f942SHoegeun Kwon { 759ed29f942SHoegeun Kwon struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi); 760ed29f942SHoegeun Kwon 761ed29f942SHoegeun Kwon mipi_dsi_detach(dsi); 762ed29f942SHoegeun Kwon drm_panel_remove(&ctx->panel); 763ed29f942SHoegeun Kwon backlight_device_unregister(ctx->bl_dev); 764ed29f942SHoegeun Kwon 765ed29f942SHoegeun Kwon return 0; 766ed29f942SHoegeun Kwon } 767ed29f942SHoegeun Kwon 768ed29f942SHoegeun Kwon static const struct of_device_id s6e3ha2_of_match[] = { 769e2af12bfSHoegeun Kwon { .compatible = "samsung,s6e3ha2", .data = &samsung_s6e3ha2 }, 770e2af12bfSHoegeun Kwon { .compatible = "samsung,s6e3hf2", .data = &samsung_s6e3hf2 }, 771ed29f942SHoegeun Kwon { } 772ed29f942SHoegeun Kwon }; 773ed29f942SHoegeun Kwon MODULE_DEVICE_TABLE(of, s6e3ha2_of_match); 774ed29f942SHoegeun Kwon 775ed29f942SHoegeun Kwon static struct mipi_dsi_driver s6e3ha2_driver = { 776ed29f942SHoegeun Kwon .probe = s6e3ha2_probe, 777ed29f942SHoegeun Kwon .remove = s6e3ha2_remove, 778ed29f942SHoegeun Kwon .driver = { 779ed29f942SHoegeun Kwon .name = "panel-samsung-s6e3ha2", 780ed29f942SHoegeun Kwon .of_match_table = s6e3ha2_of_match, 781ed29f942SHoegeun Kwon }, 782ed29f942SHoegeun Kwon }; 783ed29f942SHoegeun Kwon module_mipi_dsi_driver(s6e3ha2_driver); 784ed29f942SHoegeun Kwon 785ed29f942SHoegeun Kwon MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); 786ed29f942SHoegeun Kwon MODULE_AUTHOR("Hyungwon Hwang <human.hwang@samsung.com>"); 787ed29f942SHoegeun Kwon MODULE_AUTHOR("Hoegeun Kwon <hoegeun.kwon@samsung.com>"); 788ed29f942SHoegeun Kwon MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver"); 789ed29f942SHoegeun Kwon MODULE_LICENSE("GPL v2"); 790