| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Hoegeun Kwon | 6148 | 99.24% | 2 | 12.50% |
| Sam Ravnborg | 17 | 0.27% | 4 | 25.00% |
| Jagan Teki | 8 | 0.13% | 1 | 6.25% |
| Laurent Pinchart | 5 | 0.08% | 2 | 12.50% |
| Andrzej Hajda | 4 | 0.06% | 1 | 6.25% |
| Nicolas Boichat | 4 | 0.06% | 1 | 6.25% |
| Ville Syrjälä | 3 | 0.05% | 1 | 6.25% |
| Thomas Gleixner | 2 | 0.03% | 1 | 6.25% |
| Jason Yan | 2 | 0.03% | 1 | 6.25% |
| Rob Herring | 1 | 0.02% | 1 | 6.25% |
| Uwe Kleine-König | 1 | 0.02% | 1 | 6.25% |
| Total | 6195 | 16 |
// SPDX-License-Identifier: GPL-2.0-only /* * MIPI-DSI based s6e3ha2 AMOLED 5.7 inch panel driver. * * Copyright (c) 2016 Samsung Electronics Co., Ltd. * Donghwa Lee <dh09.lee@samsung.com> * Hyungwon Hwang <human.hwang@samsung.com> * Hoegeun Kwon <hoegeun.kwon@samsung.com> */ #include <linux/backlight.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of.h> #include <linux/regulator/consumer.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> #define S6E3HA2_MIN_BRIGHTNESS 0 #define S6E3HA2_MAX_BRIGHTNESS 100 #define S6E3HA2_DEFAULT_BRIGHTNESS 80 #define S6E3HA2_NUM_GAMMA_STEPS 46 #define S6E3HA2_GAMMA_CMD_CNT 35 #define S6E3HA2_VINT_STATUS_MAX 10 static const u8 gamma_tbl[S6E3HA2_NUM_GAMMA_STEPS][S6E3HA2_GAMMA_CMD_CNT] = { { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x82, 0x83, 0x85, 0x88, 0x8b, 0x8b, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8c, 0x94, 0x84, 0xb1, 0xaf, 0x8e, 0xcf, 0xad, 0xc9, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x84, 0x84, 0x85, 0x87, 0x8b, 0x8a, 0x84, 0x88, 0x82, 0x82, 0x89, 0x86, 0x8a, 0x93, 0x84, 0xb0, 0xae, 0x8e, 0xc9, 0xa8, 0xc5, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x88, 0x81, 0x84, 0x8a, 0x88, 0x8a, 0x91, 0x84, 0xb1, 0xae, 0x8b, 0xd5, 0xb2, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 0x85, 0x86, 0x8a, 0x8a, 0x84, 0x87, 0x81, 0x84, 0x8a, 0x87, 0x8a, 0x91, 0x85, 0xae, 0xac, 0x8a, 0xc3, 0xa3, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x85, 0x85, 0x86, 0x85, 0x88, 0x89, 0x84, 0x89, 0x82, 0x84, 0x87, 0x85, 0x8b, 0x91, 0x88, 0xad, 0xab, 0x8a, 0xb7, 0x9b, 0xb6, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 0x85, 0x86, 0x89, 0x8a, 0x84, 0x89, 0x83, 0x83, 0x86, 0x84, 0x8b, 0x90, 0x84, 0xb0, 0xae, 0x8b, 0xce, 0xad, 0xc8, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x89, 0x8f, 0x84, 0xac, 0xaa, 0x89, 0xb1, 0x98, 0xaf, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 0x85, 0x86, 0x88, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8c, 0x91, 0x86, 0xac, 0xaa, 0x89, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x85, 0x87, 0x89, 0x8a, 0x83, 0x87, 0x82, 0x85, 0x88, 0x87, 0x88, 0x8b, 0x82, 0xad, 0xaa, 0x8a, 0xc2, 0xa5, 0xbd, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x89, 0x87, 0x87, 0x83, 0x83, 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x82, 0x85, 0x84, 0x8a, 0x8e, 0x84, 0xae, 0xac, 0x89, 0xda, 0xb7, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x85, 0x86, 0x87, 0x89, 0x84, 0x88, 0x83, 0x80, 0x83, 0x82, 0x8b, 0x8e, 0x85, 0xac, 0xaa, 0x89, 0xc8, 0xaa, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x85, 0x86, 0x87, 0x89, 0x81, 0x85, 0x81, 0x84, 0x86, 0x84, 0x8c, 0x8c, 0x84, 0xa9, 0xa8, 0x87, 0xa3, 0x92, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x85, 0x86, 0x87, 0x89, 0x84, 0x86, 0x83, 0x80, 0x83, 0x81, 0x8c, 0x8d, 0x84, 0xaa, 0xaa, 0x89, 0xce, 0xaf, 0xc5, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x85, 0x86, 0x87, 0x89, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c, 0x8c, 0x84, 0xa8, 0xa8, 0x88, 0xb5, 0x9f, 0xb0, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x83, 0x85, 0x85, 0x8c, 0x8b, 0x84, 0xab, 0xa8, 0x86, 0xd4, 0xb4, 0xc9, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x86, 0x86, 0x87, 0x88, 0x81, 0x83, 0x80, 0x84, 0x84, 0x85, 0x8b, 0x8a, 0x83, 0xa6, 0xa5, 0x84, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x84, 0x84, 0x86, 0x85, 0x86, 0x86, 0x82, 0x85, 0x81, 0x82, 0x83, 0x84, 0x8e, 0x8b, 0x83, 0xa4, 0xa3, 0x8a, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83, 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8e, 0x8b, 0x83, 0xa4, 0xa2, 0x86, 0xc1, 0xa9, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83, 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x82, 0x82, 0x84, 0x8d, 0x89, 0x82, 0xa2, 0xa1, 0x84, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xb8, 0x00, 0xc3, 0x00, 0xb1, 0x88, 0x86, 0x87, 0x83, 0x83, 0x85, 0x86, 0x87, 0x87, 0x82, 0x85, 0x81, 0x83, 0x83, 0x85, 0x8c, 0x87, 0x7f, 0xa2, 0x9d, 0x88, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xbb, 0x00, 0xc5, 0x00, 0xb4, 0x87, 0x86, 0x86, 0x84, 0x83, 0x86, 0x87, 0x87, 0x87, 0x80, 0x82, 0x7f, 0x86, 0x86, 0x88, 0x8a, 0x84, 0x7e, 0x9d, 0x9c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xbd, 0x00, 0xc7, 0x00, 0xb7, 0x87, 0x85, 0x85, 0x84, 0x83, 0x86, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x83, 0x84, 0x85, 0x8a, 0x85, 0x7e, 0x9c, 0x9b, 0x85, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xc0, 0x00, 0xca, 0x00, 0xbb, 0x87, 0x86, 0x85, 0x83, 0x83, 0x85, 0x86, 0x86, 0x88, 0x81, 0x83, 0x80, 0x84, 0x85, 0x86, 0x89, 0x83, 0x7d, 0x9c, 0x99, 0x87, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xc4, 0x00, 0xcd, 0x00, 0xbe, 0x87, 0x86, 0x85, 0x83, 0x83, 0x86, 0x85, 0x85, 0x87, 0x81, 0x82, 0x80, 0x82, 0x82, 0x83, 0x8a, 0x85, 0x7f, 0x9f, 0x9b, 0x86, 0xb4, 0xa1, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xc7, 0x00, 0xd0, 0x00, 0xc2, 0x87, 0x85, 0x85, 0x83, 0x82, 0x85, 0x85, 0x85, 0x86, 0x82, 0x83, 0x80, 0x82, 0x82, 0x84, 0x87, 0x86, 0x80, 0x9e, 0x9a, 0x87, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xca, 0x00, 0xd2, 0x00, 0xc5, 0x87, 0x85, 0x84, 0x82, 0x82, 0x84, 0x85, 0x85, 0x86, 0x81, 0x82, 0x7f, 0x82, 0x82, 0x84, 0x88, 0x86, 0x81, 0x9d, 0x98, 0x86, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xce, 0x00, 0xd6, 0x00, 0xca, 0x86, 0x85, 0x84, 0x83, 0x83, 0x85, 0x84, 0x84, 0x85, 0x81, 0x82, 0x80, 0x81, 0x81, 0x82, 0x89, 0x86, 0x81, 0x9c, 0x97, 0x86, 0xa7, 0x98, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xd1, 0x00, 0xd9, 0x00, 0xce, 0x86, 0x84, 0x83, 0x83, 0x82, 0x85, 0x85, 0x85, 0x86, 0x81, 0x83, 0x81, 0x82, 0x82, 0x83, 0x86, 0x83, 0x7f, 0x99, 0x95, 0x86, 0xbb, 0xa4, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xd4, 0x00, 0xdb, 0x00, 0xd1, 0x86, 0x85, 0x83, 0x83, 0x82, 0x85, 0x84, 0x84, 0x85, 0x80, 0x83, 0x82, 0x80, 0x80, 0x81, 0x87, 0x84, 0x81, 0x98, 0x93, 0x85, 0xae, 0x9c, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xd8, 0x00, 0xde, 0x00, 0xd6, 0x86, 0x84, 0x83, 0x81, 0x81, 0x83, 0x85, 0x85, 0x85, 0x82, 0x83, 0x81, 0x81, 0x81, 0x83, 0x86, 0x84, 0x80, 0x98, 0x91, 0x85, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xdc, 0x00, 0xe2, 0x00, 0xda, 0x85, 0x84, 0x83, 0x82, 0x82, 0x84, 0x84, 0x84, 0x85, 0x81, 0x82, 0x82, 0x80, 0x80, 0x81, 0x83, 0x82, 0x7f, 0x99, 0x93, 0x86, 0x94, 0x8b, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xdf, 0x00, 0xe5, 0x00, 0xde, 0x85, 0x84, 0x82, 0x82, 0x82, 0x84, 0x83, 0x83, 0x84, 0x81, 0x81, 0x80, 0x83, 0x82, 0x84, 0x82, 0x81, 0x7f, 0x99, 0x92, 0x86, 0x7b, 0x7b, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x83, 0x83, 0x84, 0x80, 0x81, 0x7c, 0x99, 0x92, 0x87, 0xa1, 0x93, 0x9d, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x85, 0x84, 0x83, 0x81, 0x81, 0x82, 0x82, 0x82, 0x83, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83, 0x82, 0x80, 0x91, 0x8d, 0x83, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 0x82, 0x83, 0x83, 0x84, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x83, 0x81, 0x7f, 0x91, 0x8c, 0x82, 0x8d, 0x88, 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x82, 0x82, 0x7f, 0x94, 0x89, 0x84, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 0x82, 0x83, 0x83, 0x83, 0x82, 0x82, 0x81, 0x81, 0x80, 0x82, 0x83, 0x82, 0x7f, 0x91, 0x85, 0x81, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x81, 0x81, 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x83, 0x82, 0x84, 0x83, 0x82, 0x7f, 0x90, 0x84, 0x81, 0x9a, 0x90, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe4, 0x00, 0xe9, 0x00, 0xe3, 0x84, 0x83, 0x82, 0x80, 0x80, 0x82, 0x83, 0x83, 0x83, 0x80, 0x80, 0x7f, 0x80, 0x80, 0x81, 0x81, 0x82, 0x83, 0x7e, 0x80, 0x7c, 0xa4, 0x97, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xe9, 0x00, 0xec, 0x00, 0xe8, 0x84, 0x83, 0x82, 0x81, 0x81, 0x82, 0x82, 0x82, 0x83, 0x7f, 0x7f, 0x7f, 0x81, 0x80, 0x82, 0x83, 0x83, 0x84, 0x79, 0x7c, 0x79, 0xb1, 0xa0, 0xaa, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xed, 0x00, 0xf0, 0x00, 0xec, 0x83, 0x83, 0x82, 0x80, 0x80, 0x81, 0x82, 0x82, 0x82, 0x7f, 0x7f, 0x7e, 0x81, 0x81, 0x82, 0x80, 0x81, 0x81, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xf1, 0x00, 0xf4, 0x00, 0xf1, 0x83, 0x82, 0x82, 0x80, 0x80, 0x81, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x7d, 0x7e, 0x7f, 0x84, 0x84, 0x83, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xf6, 0x00, 0xf7, 0x00, 0xf5, 0x82, 0x82, 0x81, 0x80, 0x80, 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7f, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x00, 0xfa, 0x00, 0xfb, 0x00, 0xfa, 0x81, 0x81, 0x81, 0x80, 0x80, 0x80, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 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, 0x00, 0x00 }, { 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, 0x00, 0x00 } }; static const unsigned char vint_table[S6E3HA2_VINT_STATUS_MAX] = { 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21 }; enum s6e3ha2_type { HA2_TYPE, HF2_TYPE, }; struct s6e3ha2_panel_desc { const struct drm_display_mode *mode; enum s6e3ha2_type type; }; struct s6e3ha2 { struct device *dev; struct drm_panel panel; struct backlight_device *bl_dev; struct regulator_bulk_data supplies[2]; struct gpio_desc *reset_gpio; struct gpio_desc *enable_gpio; const struct s6e3ha2_panel_desc *desc; }; static int s6e3ha2_dcs_write(struct s6e3ha2 *ctx, const void *data, size_t len) { struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); return mipi_dsi_dcs_write_buffer(dsi, data, len); } #define s6e3ha2_dcs_write_seq_static(ctx, seq...) do { \ static const u8 d[] = { seq }; \ int ret; \ ret = s6e3ha2_dcs_write(ctx, d, ARRAY_SIZE(d)); \ if (ret < 0) \ return ret; \ } while (0) #define s6e3ha2_call_write_func(ret, func) do { \ ret = (func); \ if (ret < 0) \ return ret; \ } while (0) static int s6e3ha2_test_key_on_f0(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a); return 0; } static int s6e3ha2_test_key_off_f0(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xf0, 0xa5, 0xa5); return 0; } static int s6e3ha2_test_key_on_fc(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a); return 0; } static int s6e3ha2_test_key_off_fc(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xfc, 0xa5, 0xa5); return 0; } static int s6e3ha2_single_dsi_set(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67); s6e3ha2_dcs_write_seq_static(ctx, 0xf9, 0x09); return 0; } static int s6e3ha2_freq_calibration(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xfd, 0x1c); if (ctx->desc->type == HF2_TYPE) s6e3ha2_dcs_write_seq_static(ctx, 0xf2, 0x67, 0x40, 0xc5); s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20, 0x39); s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0xa0); s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x20); if (ctx->desc->type == HA2_TYPE) s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x12, 0x62, 0x40, 0x80, 0xc0, 0x28, 0x28, 0x28, 0x28, 0x39, 0xc5); else s6e3ha2_dcs_write_seq_static(ctx, 0xce, 0x03, 0x3b, 0x14, 0x6d, 0x40, 0x80, 0xc0, 0x28, 0x28, 0x28, 0x28, 0x39, 0xc5); return 0; } static int s6e3ha2_aor_control(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb2, 0x03, 0x10); return 0; } static int s6e3ha2_caps_elvss_set(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb6, 0x9c, 0x0a); return 0; } static int s6e3ha2_acl_off(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0x55, 0x00); return 0; } static int s6e3ha2_acl_off_opr(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb5, 0x40); return 0; } static int s6e3ha2_test_global(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x07); return 0; } static int s6e3ha2_test(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb8, 0x19); return 0; } static int s6e3ha2_touch_hsync_on1(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xbd, 0x33, 0x11, 0x02, 0x16, 0x02, 0x16); return 0; } static int s6e3ha2_pentile_control(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xc0, 0x00, 0x00, 0xd8, 0xd8); return 0; } static int s6e3ha2_poc_global(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb0, 0x20); return 0; } static int s6e3ha2_poc_setting(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xfe, 0x08); return 0; } static int s6e3ha2_pcd_set_off(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xcc, 0x40, 0x51); return 0; } static int s6e3ha2_err_fg_set(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xed, 0x44); return 0; } static int s6e3ha2_hbm_off(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0x53, 0x00); return 0; } static int s6e3ha2_te_start_setting(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xb9, 0x10, 0x09, 0xff, 0x00, 0x09); return 0; } static int s6e3ha2_gamma_update(struct s6e3ha2 *ctx) { s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x03); ndelay(100); /* need for 100ns delay */ s6e3ha2_dcs_write_seq_static(ctx, 0xf7, 0x00); return 0; } static int s6e3ha2_get_brightness(struct backlight_device *bl_dev) { return bl_dev->props.brightness; } static int s6e3ha2_set_vint(struct s6e3ha2 *ctx) { struct backlight_device *bl_dev = ctx->bl_dev; unsigned int brightness = bl_dev->props.brightness; unsigned char data[] = { 0xf4, 0x8b, vint_table[brightness * (S6E3HA2_VINT_STATUS_MAX - 1) / S6E3HA2_MAX_BRIGHTNESS] }; return s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data)); } static unsigned int s6e3ha2_get_brightness_index(unsigned int brightness) { return (brightness * (S6E3HA2_NUM_GAMMA_STEPS - 1)) / S6E3HA2_MAX_BRIGHTNESS; } static int s6e3ha2_update_gamma(struct s6e3ha2 *ctx, unsigned int brightness) { struct backlight_device *bl_dev = ctx->bl_dev; unsigned int index = s6e3ha2_get_brightness_index(brightness); u8 data[S6E3HA2_GAMMA_CMD_CNT + 1] = { 0xca, }; int ret; memcpy(data + 1, gamma_tbl + index, S6E3HA2_GAMMA_CMD_CNT); s6e3ha2_call_write_func(ret, s6e3ha2_dcs_write(ctx, data, ARRAY_SIZE(data))); s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx)); bl_dev->props.brightness = brightness; return 0; } static int s6e3ha2_set_brightness(struct backlight_device *bl_dev) { struct s6e3ha2 *ctx = bl_get_data(bl_dev); unsigned int brightness = bl_dev->props.brightness; int ret; if (brightness < S6E3HA2_MIN_BRIGHTNESS || brightness > bl_dev->props.max_brightness) { dev_err(ctx->dev, "Invalid brightness: %u\n", brightness); return -EINVAL; } if (bl_dev->props.power > FB_BLANK_NORMAL) return -EPERM; s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_update_gamma(ctx, brightness)); s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_set_vint(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); return 0; } static const struct backlight_ops s6e3ha2_bl_ops = { .get_brightness = s6e3ha2_get_brightness, .update_status = s6e3ha2_set_brightness, }; static int s6e3ha2_panel_init(struct s6e3ha2 *ctx) { struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; s6e3ha2_call_write_func(ret, mipi_dsi_dcs_exit_sleep_mode(dsi)); usleep_range(5000, 6000); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_single_dsi_set(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_freq_calibration(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); return 0; } static int s6e3ha2_power_off(struct s6e3ha2 *ctx) { return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); } static int s6e3ha2_disable(struct drm_panel *panel) { struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; s6e3ha2_call_write_func(ret, mipi_dsi_dcs_enter_sleep_mode(dsi)); s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_off(dsi)); msleep(40); ctx->bl_dev->props.power = FB_BLANK_NORMAL; return 0; } static int s6e3ha2_unprepare(struct drm_panel *panel) { struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); return s6e3ha2_power_off(ctx); } static int s6e3ha2_power_on(struct s6e3ha2 *ctx) { int ret; ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) return ret; msleep(120); gpiod_set_value(ctx->enable_gpio, 0); usleep_range(5000, 6000); gpiod_set_value(ctx->enable_gpio, 1); gpiod_set_value(ctx->reset_gpio, 1); usleep_range(5000, 6000); gpiod_set_value(ctx->reset_gpio, 0); usleep_range(5000, 6000); return 0; } static int s6e3ha2_prepare(struct drm_panel *panel) { struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); int ret; ret = s6e3ha2_power_on(ctx); if (ret < 0) return ret; ret = s6e3ha2_panel_init(ctx); if (ret < 0) goto err; ctx->bl_dev->props.power = FB_BLANK_NORMAL; return 0; err: s6e3ha2_power_off(ctx); return ret; } static int s6e3ha2_enable(struct drm_panel *panel) { struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; /* common setting */ s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_f0(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_on_fc(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_touch_hsync_on1(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_pentile_control(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_poc_global(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_poc_setting(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_fc(ctx)); /* pcd setting off for TB */ s6e3ha2_call_write_func(ret, s6e3ha2_pcd_set_off(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_err_fg_set(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_te_start_setting(ctx)); /* brightness setting */ s6e3ha2_call_write_func(ret, s6e3ha2_set_brightness(ctx->bl_dev)); s6e3ha2_call_write_func(ret, s6e3ha2_aor_control(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_caps_elvss_set(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_gamma_update(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_acl_off(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_acl_off_opr(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_hbm_off(ctx)); /* elvss temp compensation */ s6e3ha2_call_write_func(ret, s6e3ha2_test_global(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test(ctx)); s6e3ha2_call_write_func(ret, s6e3ha2_test_key_off_f0(ctx)); s6e3ha2_call_write_func(ret, mipi_dsi_dcs_set_display_on(dsi)); ctx->bl_dev->props.power = FB_BLANK_UNBLANK; return 0; } static const struct drm_display_mode s6e3ha2_mode = { .clock = 222372, .hdisplay = 1440, .hsync_start = 1440 + 1, .hsync_end = 1440 + 1 + 1, .htotal = 1440 + 1 + 1 + 1, .vdisplay = 2560, .vsync_start = 2560 + 1, .vsync_end = 2560 + 1 + 1, .vtotal = 2560 + 1 + 1 + 15, .flags = 0, }; static const struct s6e3ha2_panel_desc samsung_s6e3ha2 = { .mode = &s6e3ha2_mode, .type = HA2_TYPE, }; static const struct drm_display_mode s6e3hf2_mode = { .clock = 247856, .hdisplay = 1600, .hsync_start = 1600 + 1, .hsync_end = 1600 + 1 + 1, .htotal = 1600 + 1 + 1 + 1, .vdisplay = 2560, .vsync_start = 2560 + 1, .vsync_end = 2560 + 1 + 1, .vtotal = 2560 + 1 + 1 + 15, .flags = 0, }; static const struct s6e3ha2_panel_desc samsung_s6e3hf2 = { .mode = &s6e3hf2_mode, .type = HF2_TYPE, }; static int s6e3ha2_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct s6e3ha2 *ctx = container_of(panel, struct s6e3ha2, panel); struct drm_display_mode *mode; mode = drm_mode_duplicate(connector->dev, ctx->desc->mode); if (!mode) { dev_err(panel->dev, "failed to add mode %ux%u@%u\n", ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, drm_mode_vrefresh(ctx->desc->mode)); return -ENOMEM; } drm_mode_set_name(mode); mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, mode); connector->display_info.width_mm = 71; connector->display_info.height_mm = 125; return 1; } static const struct drm_panel_funcs s6e3ha2_drm_funcs = { .disable = s6e3ha2_disable, .unprepare = s6e3ha2_unprepare, .prepare = s6e3ha2_prepare, .enable = s6e3ha2_enable, .get_modes = s6e3ha2_get_modes, }; static int s6e3ha2_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct s6e3ha2 *ctx; int ret; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; mipi_dsi_set_drvdata(dsi, ctx); ctx->dev = dev; ctx->desc = of_device_get_match_data(dev); dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP | MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET; ctx->supplies[0].supply = "vdd3"; ctx->supplies[1].supply = "vci"; ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) { dev_err(dev, "failed to get regulators: %d\n", ret); return ret; } ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(ctx->reset_gpio)) { dev_err(dev, "cannot get reset-gpios %ld\n", PTR_ERR(ctx->reset_gpio)); return PTR_ERR(ctx->reset_gpio); } ctx->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); if (IS_ERR(ctx->enable_gpio)) { dev_err(dev, "cannot get enable-gpios %ld\n", PTR_ERR(ctx->enable_gpio)); return PTR_ERR(ctx->enable_gpio); } ctx->bl_dev = backlight_device_register("s6e3ha2", dev, ctx, &s6e3ha2_bl_ops, NULL); if (IS_ERR(ctx->bl_dev)) { dev_err(dev, "failed to register backlight device\n"); return PTR_ERR(ctx->bl_dev); } ctx->bl_dev->props.max_brightness = S6E3HA2_MAX_BRIGHTNESS; ctx->bl_dev->props.brightness = S6E3HA2_DEFAULT_BRIGHTNESS; ctx->bl_dev->props.power = FB_BLANK_POWERDOWN; drm_panel_init(&ctx->panel, dev, &s6e3ha2_drm_funcs, DRM_MODE_CONNECTOR_DSI); ctx->panel.prepare_prev_first = true; drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) goto remove_panel; return ret; remove_panel: drm_panel_remove(&ctx->panel); backlight_device_unregister(ctx->bl_dev); return ret; } static void s6e3ha2_remove(struct mipi_dsi_device *dsi) { struct s6e3ha2 *ctx = mipi_dsi_get_drvdata(dsi); mipi_dsi_detach(dsi); drm_panel_remove(&ctx->panel); backlight_device_unregister(ctx->bl_dev); } static const struct of_device_id s6e3ha2_of_match[] = { { .compatible = "samsung,s6e3ha2", .data = &samsung_s6e3ha2 }, { .compatible = "samsung,s6e3hf2", .data = &samsung_s6e3hf2 }, { } }; MODULE_DEVICE_TABLE(of, s6e3ha2_of_match); static struct mipi_dsi_driver s6e3ha2_driver = { .probe = s6e3ha2_probe, .remove = s6e3ha2_remove, .driver = { .name = "panel-samsung-s6e3ha2", .of_match_table = s6e3ha2_of_match, }, }; module_mipi_dsi_driver(s6e3ha2_driver); MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); MODULE_AUTHOR("Hyungwon Hwang <human.hwang@samsung.com>"); MODULE_AUTHOR("Hoegeun Kwon <hoegeun.kwon@samsung.com>"); MODULE_DESCRIPTION("MIPI-DSI based s6e3ha2 AMOLED Panel Driver"); MODULE_LICENSE("GPL v2");
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