| /* |
| * MIPI-DSI based s6e8aa0 AMOLED LCD 5.3 inch panel driver. |
| * |
| * Copyright (c) 2013 Samsung Electronics Co., Ltd |
| * |
| * Inki Dae, <inki.dae@samsung.com> |
| * Donghwa Lee, <dh09.lee@samsung.com> |
| * Joongmock Shin <jmock.shin@samsung.com> |
| * Eunchul Kim <chulspro.kim@samsung.com> |
| * Tomasz Figa <t.figa@samsung.com> |
| * Andrzej Hajda <a.hajda@samsung.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <drm/drmP.h> |
| #include <drm/drm_mipi_dsi.h> |
| #include <drm/drm_panel.h> |
| |
| #include <linux/gpio/consumer.h> |
| #include <linux/regulator/consumer.h> |
| |
| #include <video/mipi_display.h> |
| #include <video/of_videomode.h> |
| #include <video/videomode.h> |
| |
| #define LDI_MTP_LENGTH 24 |
| #define GAMMA_LEVEL_NUM 25 |
| #define GAMMA_TABLE_LEN 26 |
| |
| #define PANELCTL_SS_MASK (1 << 5) |
| #define PANELCTL_SS_1_800 (0 << 5) |
| #define PANELCTL_SS_800_1 (1 << 5) |
| #define PANELCTL_GTCON_MASK (7 << 2) |
| #define PANELCTL_GTCON_110 (6 << 2) |
| #define PANELCTL_GTCON_111 (7 << 2) |
| |
| #define PANELCTL_CLK1_CON_MASK (7 << 3) |
| #define PANELCTL_CLK1_000 (0 << 3) |
| #define PANELCTL_CLK1_001 (1 << 3) |
| #define PANELCTL_CLK2_CON_MASK (7 << 0) |
| #define PANELCTL_CLK2_000 (0 << 0) |
| #define PANELCTL_CLK2_001 (1 << 0) |
| |
| #define PANELCTL_INT1_CON_MASK (7 << 3) |
| #define PANELCTL_INT1_000 (0 << 3) |
| #define PANELCTL_INT1_001 (1 << 3) |
| #define PANELCTL_INT2_CON_MASK (7 << 0) |
| #define PANELCTL_INT2_000 (0 << 0) |
| #define PANELCTL_INT2_001 (1 << 0) |
| |
| #define PANELCTL_BICTL_CON_MASK (7 << 3) |
| #define PANELCTL_BICTL_000 (0 << 3) |
| #define PANELCTL_BICTL_001 (1 << 3) |
| #define PANELCTL_BICTLB_CON_MASK (7 << 0) |
| #define PANELCTL_BICTLB_000 (0 << 0) |
| #define PANELCTL_BICTLB_001 (1 << 0) |
| |
| #define PANELCTL_EM_CLK1_CON_MASK (7 << 3) |
| #define PANELCTL_EM_CLK1_110 (6 << 3) |
| #define PANELCTL_EM_CLK1_111 (7 << 3) |
| #define PANELCTL_EM_CLK1B_CON_MASK (7 << 0) |
| #define PANELCTL_EM_CLK1B_110 (6 << 0) |
| #define PANELCTL_EM_CLK1B_111 (7 << 0) |
| |
| #define PANELCTL_EM_CLK2_CON_MASK (7 << 3) |
| #define PANELCTL_EM_CLK2_110 (6 << 3) |
| #define PANELCTL_EM_CLK2_111 (7 << 3) |
| #define PANELCTL_EM_CLK2B_CON_MASK (7 << 0) |
| #define PANELCTL_EM_CLK2B_110 (6 << 0) |
| #define PANELCTL_EM_CLK2B_111 (7 << 0) |
| |
| #define PANELCTL_EM_INT1_CON_MASK (7 << 3) |
| #define PANELCTL_EM_INT1_000 (0 << 3) |
| #define PANELCTL_EM_INT1_001 (1 << 3) |
| #define PANELCTL_EM_INT2_CON_MASK (7 << 0) |
| #define PANELCTL_EM_INT2_000 (0 << 0) |
| #define PANELCTL_EM_INT2_001 (1 << 0) |
| |
| #define AID_DISABLE (0x4) |
| #define AID_1 (0x5) |
| #define AID_2 (0x6) |
| #define AID_3 (0x7) |
| |
| typedef u8 s6e8aa0_gamma_table[GAMMA_TABLE_LEN]; |
| |
| struct s6e8aa0_variant { |
| u8 version; |
| const s6e8aa0_gamma_table *gamma_tables; |
| }; |
| |
| struct s6e8aa0 { |
| struct device *dev; |
| struct drm_panel panel; |
| |
| struct regulator_bulk_data supplies[2]; |
| struct gpio_desc *reset_gpio; |
| u32 power_on_delay; |
| u32 reset_delay; |
| u32 init_delay; |
| bool flip_horizontal; |
| bool flip_vertical; |
| struct videomode vm; |
| u32 width_mm; |
| u32 height_mm; |
| |
| u8 version; |
| u8 id; |
| const struct s6e8aa0_variant *variant; |
| int brightness; |
| |
| /* This field is tested by functions directly accessing DSI bus before |
| * transfer, transfer is skipped if it is set. In case of transfer |
| * failure or unexpected response the field is set to error value. |
| * Such construct allows to eliminate many checks in higher level |
| * functions. |
| */ |
| int error; |
| }; |
| |
| static inline struct s6e8aa0 *panel_to_s6e8aa0(struct drm_panel *panel) |
| { |
| return container_of(panel, struct s6e8aa0, panel); |
| } |
| |
| static int s6e8aa0_clear_error(struct s6e8aa0 *ctx) |
| { |
| int ret = ctx->error; |
| |
| ctx->error = 0; |
| return ret; |
| } |
| |
| static void s6e8aa0_dcs_write(struct s6e8aa0 *ctx, const void *data, size_t len) |
| { |
| struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); |
| ssize_t ret; |
| |
| if (ctx->error < 0) |
| return; |
| |
| ret = mipi_dsi_dcs_write(dsi, data, len); |
| if (ret < 0) { |
| dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n", ret, len, |
| data); |
| ctx->error = ret; |
| } |
| } |
| |
| static int s6e8aa0_dcs_read(struct s6e8aa0 *ctx, u8 cmd, void *data, size_t len) |
| { |
| struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); |
| int ret; |
| |
| if (ctx->error < 0) |
| return ctx->error; |
| |
| ret = mipi_dsi_dcs_read(dsi, cmd, data, len); |
| if (ret < 0) { |
| dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd); |
| ctx->error = ret; |
| } |
| |
| return ret; |
| } |
| |
| #define s6e8aa0_dcs_write_seq(ctx, seq...) \ |
| ({\ |
| const u8 d[] = { seq };\ |
| BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, "DCS sequence too big for stack");\ |
| s6e8aa0_dcs_write(ctx, d, ARRAY_SIZE(d));\ |
| }) |
| |
| #define s6e8aa0_dcs_write_seq_static(ctx, seq...) \ |
| ({\ |
| static const u8 d[] = { seq };\ |
| s6e8aa0_dcs_write(ctx, d, ARRAY_SIZE(d));\ |
| }) |
| |
| static void s6e8aa0_apply_level_1_key(struct s6e8aa0 *ctx) |
| { |
| s6e8aa0_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a); |
| } |
| |
| static void s6e8aa0_panel_cond_set_v142(struct s6e8aa0 *ctx) |
| { |
| static const u8 aids[] = { |
| 0x04, 0x04, 0x04, 0x04, 0x04, 0x60, 0x80, 0xA0 |
| }; |
| u8 aid = aids[ctx->id >> 5]; |
| u8 cfg = 0x3d; |
| u8 clk_con = 0xc8; |
| u8 int_con = 0x08; |
| u8 bictl_con = 0x48; |
| u8 em_clk1_con = 0xff; |
| u8 em_clk2_con = 0xff; |
| u8 em_int_con = 0xc8; |
| |
| if (ctx->flip_vertical) { |
| /* GTCON */ |
| cfg &= ~(PANELCTL_GTCON_MASK); |
| cfg |= (PANELCTL_GTCON_110); |
| } |
| |
| if (ctx->flip_horizontal) { |
| /* SS */ |
| cfg &= ~(PANELCTL_SS_MASK); |
| cfg |= (PANELCTL_SS_1_800); |
| } |
| |
| if (ctx->flip_horizontal || ctx->flip_vertical) { |
| /* CLK1,2_CON */ |
| clk_con &= ~(PANELCTL_CLK1_CON_MASK | |
| PANELCTL_CLK2_CON_MASK); |
| clk_con |= (PANELCTL_CLK1_000 | PANELCTL_CLK2_001); |
| |
| /* INT1,2_CON */ |
| int_con &= ~(PANELCTL_INT1_CON_MASK | |
| PANELCTL_INT2_CON_MASK); |
| int_con |= (PANELCTL_INT1_000 | PANELCTL_INT2_001); |
| |
| /* BICTL,B_CON */ |
| bictl_con &= ~(PANELCTL_BICTL_CON_MASK | |
| PANELCTL_BICTLB_CON_MASK); |
| bictl_con |= (PANELCTL_BICTL_000 | |
| PANELCTL_BICTLB_001); |
| |
| /* EM_CLK1,1B_CON */ |
| em_clk1_con &= ~(PANELCTL_EM_CLK1_CON_MASK | |
| PANELCTL_EM_CLK1B_CON_MASK); |
| em_clk1_con |= (PANELCTL_EM_CLK1_110 | |
| PANELCTL_EM_CLK1B_110); |
| |
| /* EM_CLK2,2B_CON */ |
| em_clk2_con &= ~(PANELCTL_EM_CLK2_CON_MASK | |
| PANELCTL_EM_CLK2B_CON_MASK); |
| em_clk2_con |= (PANELCTL_EM_CLK2_110 | |
| PANELCTL_EM_CLK2B_110); |
| |
| /* EM_INT1,2_CON */ |
| em_int_con &= ~(PANELCTL_EM_INT1_CON_MASK | |
| PANELCTL_EM_INT2_CON_MASK); |
| em_int_con |= (PANELCTL_EM_INT1_000 | |
| PANELCTL_EM_INT2_001); |
| } |
| |
| s6e8aa0_dcs_write_seq(ctx, |
| 0xf8, cfg, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, |
| 0x3c, 0x78, 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, |
| 0x00, 0x20, aid, 0x08, 0x6e, 0x00, 0x00, 0x00, |
| 0x02, 0x07, 0x07, 0x23, 0x23, 0xc0, clk_con, int_con, |
| bictl_con, 0xc1, 0x00, 0xc1, em_clk1_con, em_clk2_con, |
| em_int_con); |
| } |
| |
| static void s6e8aa0_panel_cond_set(struct s6e8aa0 *ctx) |
| { |
| if (ctx->version < 142) |
| s6e8aa0_dcs_write_seq_static(ctx, |
| 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x94, 0x00, |
| 0x3c, 0x78, 0x10, 0x27, 0x08, 0x6e, 0x00, 0x00, |
| 0x00, 0x00, 0x04, 0x08, 0x6e, 0x00, 0x00, 0x00, |
| 0x00, 0x07, 0x07, 0x23, 0x6e, 0xc0, 0xc1, 0x01, |
| 0x81, 0xc1, 0x00, 0xc3, 0xf6, 0xf6, 0xc1 |
| ); |
| else |
| s6e8aa0_panel_cond_set_v142(ctx); |
| } |
| |
| static void s6e8aa0_display_condition_set(struct s6e8aa0 *ctx) |
| { |
| s6e8aa0_dcs_write_seq_static(ctx, 0xf2, 0x80, 0x03, 0x0d); |
| } |
| |
| static void s6e8aa0_etc_source_control(struct s6e8aa0 *ctx) |
| { |
| s6e8aa0_dcs_write_seq_static(ctx, 0xf6, 0x00, 0x02, 0x00); |
| } |
| |
| static void s6e8aa0_etc_pentile_control(struct s6e8aa0 *ctx) |
| { |
| static const u8 pent32[] = { |
| 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xc0, 0x44, 0x44, 0xc0, 0x00 |
| }; |
| |
| static const u8 pent142[] = { |
| 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0, 0x00 |
| }; |
| |
| if (ctx->version < 142) |
| s6e8aa0_dcs_write(ctx, pent32, ARRAY_SIZE(pent32)); |
| else |
| s6e8aa0_dcs_write(ctx, pent142, ARRAY_SIZE(pent142)); |
| } |
| |
| static void s6e8aa0_etc_power_control(struct s6e8aa0 *ctx) |
| { |
| static const u8 pwr142[] = { |
| 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x1e, 0x33, 0x02 |
| }; |
| |
| static const u8 pwr32[] = { |
| 0xf4, 0xcf, 0x0a, 0x15, 0x10, 0x19, 0x33, 0x02 |
| }; |
| |
| if (ctx->version < 142) |
| s6e8aa0_dcs_write(ctx, pwr32, ARRAY_SIZE(pwr32)); |
| else |
| s6e8aa0_dcs_write(ctx, pwr142, ARRAY_SIZE(pwr142)); |
| } |
| |
| static void s6e8aa0_etc_elvss_control(struct s6e8aa0 *ctx) |
| { |
| u8 id = ctx->id ? 0 : 0x95; |
| |
| s6e8aa0_dcs_write_seq(ctx, 0xb1, 0x04, id); |
| } |
| |
| static void s6e8aa0_elvss_nvm_set_v142(struct s6e8aa0 *ctx) |
| { |
| u8 br; |
| |
| switch (ctx->brightness) { |
| case 0 ... 6: /* 30cd ~ 100cd */ |
| br = 0xdf; |
| break; |
| case 7 ... 11: /* 120cd ~ 150cd */ |
| br = 0xdd; |
| break; |
| case 12 ... 15: /* 180cd ~ 210cd */ |
| default: |
| br = 0xd9; |
| break; |
| case 16 ... 24: /* 240cd ~ 300cd */ |
| br = 0xd0; |
| break; |
| } |
| |
| s6e8aa0_dcs_write_seq(ctx, 0xd9, 0x14, 0x40, 0x0c, 0xcb, 0xce, 0x6e, |
| 0xc4, 0x0f, 0x40, 0x41, br, 0x00, 0x60, 0x19); |
| } |
| |
| static void s6e8aa0_elvss_nvm_set(struct s6e8aa0 *ctx) |
| { |
| if (ctx->version < 142) |
| s6e8aa0_dcs_write_seq_static(ctx, |
| 0xd9, 0x14, 0x40, 0x0c, 0xcb, 0xce, 0x6e, 0xc4, 0x07, |
| 0x40, 0x41, 0xc1, 0x00, 0x60, 0x19); |
| else |
| s6e8aa0_elvss_nvm_set_v142(ctx); |
| }; |
| |
| static void s6e8aa0_apply_level_2_key(struct s6e8aa0 *ctx) |
| { |
| s6e8aa0_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a); |
| } |
| |
| static const s6e8aa0_gamma_table s6e8aa0_gamma_tables_v142[GAMMA_LEVEL_NUM] = { |
| { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x62, 0x55, 0x55, |
| 0xaf, 0xb1, 0xb1, 0xbd, 0xce, 0xb7, 0x9a, 0xb1, |
| 0x90, 0xb2, 0xc4, 0xae, 0x00, 0x60, 0x00, 0x40, |
| 0x00, 0x70, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x74, 0x68, 0x69, |
| 0xb8, 0xc1, 0xb7, 0xbd, 0xcd, 0xb8, 0x93, 0xab, |
| 0x88, 0xb4, 0xc4, 0xb1, 0x00, 0x6b, 0x00, 0x4d, |
| 0x00, 0x7d, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x95, 0x8a, 0x89, |
| 0xb4, 0xc6, 0xb2, 0xc5, 0xd2, 0xbf, 0x90, 0xa8, |
| 0x85, 0xb5, 0xc4, 0xb3, 0x00, 0x7b, 0x00, 0x5d, |
| 0x00, 0x8f, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x9f, 0x98, 0x92, |
| 0xb3, 0xc4, 0xb0, 0xbc, 0xcc, 0xb4, 0x91, 0xa6, |
| 0x87, 0xb5, 0xc5, 0xb4, 0x00, 0x87, 0x00, 0x6a, |
| 0x00, 0x9e, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x99, 0x93, 0x8b, |
| 0xb2, 0xc2, 0xb0, 0xbd, 0xce, 0xb4, 0x90, 0xa6, |
| 0x87, 0xb3, 0xc3, 0xb2, 0x00, 0x8d, 0x00, 0x70, |
| 0x00, 0xa4, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xa5, 0x99, |
| 0xb2, 0xc2, 0xb0, 0xbb, 0xcd, 0xb1, 0x93, 0xa7, |
| 0x8a, 0xb2, 0xc1, 0xb0, 0x00, 0x92, 0x00, 0x75, |
| 0x00, 0xaa, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa0, 0xa0, 0x93, |
| 0xb6, 0xc4, 0xb4, 0xb5, 0xc8, 0xaa, 0x94, 0xa9, |
| 0x8c, 0xb2, 0xc0, 0xb0, 0x00, 0x97, 0x00, 0x7a, |
| 0x00, 0xaf, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xa7, 0x96, |
| 0xb3, 0xc2, 0xb0, 0xba, 0xcb, 0xb0, 0x94, 0xa8, |
| 0x8c, 0xb0, 0xbf, 0xaf, 0x00, 0x9f, 0x00, 0x83, |
| 0x00, 0xb9, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x9d, 0xa2, 0x90, |
| 0xb6, 0xc5, 0xb3, 0xb8, 0xc9, 0xae, 0x94, 0xa8, |
| 0x8d, 0xaf, 0xbd, 0xad, 0x00, 0xa4, 0x00, 0x88, |
| 0x00, 0xbf, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa6, 0xac, 0x97, |
| 0xb4, 0xc4, 0xb1, 0xbb, 0xcb, 0xb2, 0x93, 0xa7, |
| 0x8d, 0xae, 0xbc, 0xad, 0x00, 0xa7, 0x00, 0x8c, |
| 0x00, 0xc3, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa2, 0xa9, 0x93, |
| 0xb6, 0xc5, 0xb2, 0xba, 0xc9, 0xb0, 0x93, 0xa7, |
| 0x8d, 0xae, 0xbb, 0xac, 0x00, 0xab, 0x00, 0x90, |
| 0x00, 0xc8, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x9e, 0xa6, 0x8f, |
| 0xb7, 0xc6, 0xb3, 0xb8, 0xc8, 0xb0, 0x93, 0xa6, |
| 0x8c, 0xae, 0xbb, 0xad, 0x00, 0xae, 0x00, 0x93, |
| 0x00, 0xcc, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xab, 0xb4, 0x9c, |
| 0xb3, 0xc3, 0xaf, 0xb7, 0xc7, 0xaf, 0x93, 0xa6, |
| 0x8c, 0xaf, 0xbc, 0xad, 0x00, 0xb1, 0x00, 0x97, |
| 0x00, 0xcf, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa6, 0xb1, 0x98, |
| 0xb1, 0xc2, 0xab, 0xba, 0xc9, 0xb2, 0x93, 0xa6, |
| 0x8d, 0xae, 0xba, 0xab, 0x00, 0xb5, 0x00, 0x9b, |
| 0x00, 0xd4, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xae, 0x94, |
| 0xb2, 0xc3, 0xac, 0xbb, 0xca, 0xb4, 0x91, 0xa4, |
| 0x8a, 0xae, 0xba, 0xac, 0x00, 0xb8, 0x00, 0x9e, |
| 0x00, 0xd8, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xab, 0xb7, 0x9c, |
| 0xae, 0xc0, 0xa9, 0xba, 0xc9, 0xb3, 0x92, 0xa5, |
| 0x8b, 0xad, 0xb9, 0xab, 0x00, 0xbb, 0x00, 0xa1, |
| 0x00, 0xdc, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xb4, 0x97, |
| 0xb0, 0xc1, 0xaa, 0xb9, 0xc8, 0xb2, 0x92, 0xa5, |
| 0x8c, 0xae, 0xb9, 0xab, 0x00, 0xbe, 0x00, 0xa4, |
| 0x00, 0xdf, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xb0, 0x94, |
| 0xb0, 0xc2, 0xab, 0xbb, 0xc9, 0xb3, 0x91, 0xa4, |
| 0x8b, 0xad, 0xb8, 0xaa, 0x00, 0xc1, 0x00, 0xa8, |
| 0x00, 0xe2, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xb0, 0x94, |
| 0xae, 0xbf, 0xa8, 0xb9, 0xc8, 0xb3, 0x92, 0xa4, |
| 0x8b, 0xad, 0xb7, 0xa9, 0x00, 0xc4, 0x00, 0xab, |
| 0x00, 0xe6, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xb6, 0x98, |
| 0xaf, 0xc0, 0xa8, 0xb8, 0xc7, 0xb2, 0x93, 0xa5, |
| 0x8d, 0xad, 0xb7, 0xa9, 0x00, 0xc7, 0x00, 0xae, |
| 0x00, 0xe9, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa4, 0xb3, 0x95, |
| 0xaf, 0xc1, 0xa9, 0xb9, 0xc8, 0xb3, 0x92, 0xa4, |
| 0x8b, 0xad, 0xb7, 0xaa, 0x00, 0xc9, 0x00, 0xb0, |
| 0x00, 0xec, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa4, 0xb3, 0x95, |
| 0xac, 0xbe, 0xa6, 0xbb, 0xc9, 0xb4, 0x90, 0xa3, |
| 0x8a, 0xad, 0xb7, 0xa9, 0x00, 0xcc, 0x00, 0xb4, |
| 0x00, 0xf0, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa0, 0xb0, 0x91, |
| 0xae, 0xc0, 0xa6, 0xba, 0xc8, 0xb4, 0x91, 0xa4, |
| 0x8b, 0xad, 0xb7, 0xa9, 0x00, 0xcf, 0x00, 0xb7, |
| 0x00, 0xf3, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xb8, 0x98, |
| 0xab, 0xbd, 0xa4, 0xbb, 0xc9, 0xb5, 0x91, 0xa3, |
| 0x8b, 0xac, 0xb6, 0xa8, 0x00, 0xd1, 0x00, 0xb9, |
| 0x00, 0xf6, |
| }, { |
| 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa4, 0xb5, 0x95, |
| 0xa9, 0xbc, 0xa1, 0xbb, 0xc9, 0xb5, 0x91, 0xa3, |
| 0x8a, 0xad, 0xb6, 0xa8, 0x00, 0xd6, 0x00, 0xbf, |
| 0x00, 0xfc, |
| }, |
| }; |
| |
| static const s6e8aa0_gamma_table s6e8aa0_gamma_tables_v96[GAMMA_LEVEL_NUM] = { |
| { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xdf, 0x1f, 0xd7, 0xdc, 0xb7, 0xe1, 0xc0, 0xaf, |
| 0xc4, 0xd2, 0xd0, 0xcf, 0x00, 0x4d, 0x00, 0x40, |
| 0x00, 0x5f, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xd5, 0x35, 0xcf, 0xdc, 0xc1, 0xe1, 0xbf, 0xb3, |
| 0xc1, 0xd2, 0xd1, 0xce, 0x00, 0x53, 0x00, 0x46, |
| 0x00, 0x67, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xd2, 0x64, 0xcf, 0xdb, 0xc6, 0xe1, 0xbd, 0xb3, |
| 0xbd, 0xd2, 0xd2, 0xce, 0x00, 0x59, 0x00, 0x4b, |
| 0x00, 0x6e, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xd0, 0x7c, 0xcf, 0xdb, 0xc9, 0xe0, 0xbc, 0xb4, |
| 0xbb, 0xcf, 0xd1, 0xcc, 0x00, 0x5f, 0x00, 0x50, |
| 0x00, 0x75, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xd0, 0x8e, 0xd1, 0xdb, 0xcc, 0xdf, 0xbb, 0xb6, |
| 0xb9, 0xd0, 0xd1, 0xcd, 0x00, 0x63, 0x00, 0x54, |
| 0x00, 0x7a, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xd1, 0x9e, 0xd5, 0xda, 0xcd, 0xdd, 0xbb, 0xb7, |
| 0xb9, 0xce, 0xce, 0xc9, 0x00, 0x68, 0x00, 0x59, |
| 0x00, 0x81, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, |
| 0xd0, 0xa5, 0xd6, 0xda, 0xcf, 0xdd, 0xbb, 0xb7, |
| 0xb8, 0xcc, 0xcd, 0xc7, 0x00, 0x6c, 0x00, 0x5c, |
| 0x00, 0x86, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x1f, 0xfe, |
| 0xd0, 0xae, 0xd7, 0xd9, 0xd0, 0xdb, 0xb9, 0xb6, |
| 0xb5, 0xca, 0xcc, 0xc5, 0x00, 0x74, 0x00, 0x63, |
| 0x00, 0x90, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x1f, 0xf9, |
| 0xcf, 0xb0, 0xd6, 0xd9, 0xd1, 0xdb, 0xb9, 0xb6, |
| 0xb4, 0xca, 0xcb, 0xc5, 0x00, 0x77, 0x00, 0x66, |
| 0x00, 0x94, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x1f, 0xf7, |
| 0xcf, 0xb3, 0xd7, 0xd8, 0xd1, 0xd9, 0xb7, 0xb6, |
| 0xb3, 0xc9, 0xca, 0xc3, 0x00, 0x7b, 0x00, 0x69, |
| 0x00, 0x99, |
| |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xfd, 0x2f, 0xf7, |
| 0xdf, 0xb5, 0xd6, 0xd8, 0xd1, 0xd8, 0xb6, 0xb5, |
| 0xb2, 0xca, 0xcb, 0xc4, 0x00, 0x7e, 0x00, 0x6c, |
| 0x00, 0x9d, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xfa, 0x2f, 0xf5, |
| 0xce, 0xb6, 0xd5, 0xd7, 0xd2, 0xd8, 0xb6, 0xb4, |
| 0xb0, 0xc7, 0xc9, 0xc1, 0x00, 0x84, 0x00, 0x71, |
| 0x00, 0xa5, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xf7, 0x2f, 0xf2, |
| 0xce, 0xb9, 0xd5, 0xd8, 0xd2, 0xd8, 0xb4, 0xb4, |
| 0xaf, 0xc7, 0xc9, 0xc1, 0x00, 0x87, 0x00, 0x73, |
| 0x00, 0xa8, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xf5, 0x2f, 0xf0, |
| 0xdf, 0xba, 0xd5, 0xd7, 0xd2, 0xd7, 0xb4, 0xb4, |
| 0xaf, 0xc5, 0xc7, 0xbf, 0x00, 0x8a, 0x00, 0x76, |
| 0x00, 0xac, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xf2, 0x2f, 0xed, |
| 0xcE, 0xbb, 0xd4, 0xd6, 0xd2, 0xd6, 0xb5, 0xb4, |
| 0xaF, 0xc5, 0xc7, 0xbf, 0x00, 0x8c, 0x00, 0x78, |
| 0x00, 0xaf, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xef, 0x2f, 0xeb, |
| 0xcd, 0xbb, 0xd2, 0xd7, 0xd3, 0xd6, 0xb3, 0xb4, |
| 0xae, 0xc5, 0xc6, 0xbe, 0x00, 0x91, 0x00, 0x7d, |
| 0x00, 0xb6, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xee, 0x2f, 0xea, |
| 0xce, 0xbd, 0xd4, 0xd6, 0xd2, 0xd5, 0xb2, 0xb3, |
| 0xad, 0xc3, 0xc4, 0xbb, 0x00, 0x94, 0x00, 0x7f, |
| 0x00, 0xba, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xec, 0x2f, 0xe8, |
| 0xce, 0xbe, 0xd3, 0xd6, 0xd3, 0xd5, 0xb2, 0xb2, |
| 0xac, 0xc3, 0xc5, 0xbc, 0x00, 0x96, 0x00, 0x81, |
| 0x00, 0xbd, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xeb, 0x2f, 0xe7, |
| 0xce, 0xbf, 0xd3, 0xd6, 0xd2, 0xd5, 0xb1, 0xb2, |
| 0xab, 0xc2, 0xc4, 0xbb, 0x00, 0x99, 0x00, 0x83, |
| 0x00, 0xc0, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xef, 0x5f, 0xe9, |
| 0xca, 0xbf, 0xd3, 0xd5, 0xd2, 0xd4, 0xb2, 0xb2, |
| 0xab, 0xc1, 0xc4, 0xba, 0x00, 0x9b, 0x00, 0x85, |
| 0x00, 0xc3, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xea, 0x5f, 0xe8, |
| 0xee, 0xbf, 0xd2, 0xd5, 0xd2, 0xd4, 0xb1, 0xb2, |
| 0xab, 0xc1, 0xc2, 0xb9, 0x00, 0x9D, 0x00, 0x87, |
| 0x00, 0xc6, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe9, 0x5f, 0xe7, |
| 0xcd, 0xbf, 0xd2, 0xd6, 0xd2, 0xd4, 0xb1, 0xb2, |
| 0xab, 0xbe, 0xc0, 0xb7, 0x00, 0xa1, 0x00, 0x8a, |
| 0x00, 0xca, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe8, 0x61, 0xe6, |
| 0xcd, 0xbf, 0xd1, 0xd6, 0xd3, 0xd4, 0xaf, 0xb0, |
| 0xa9, 0xbe, 0xc1, 0xb7, 0x00, 0xa3, 0x00, 0x8b, |
| 0x00, 0xce, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe8, 0x62, 0xe5, |
| 0xcc, 0xc0, 0xd0, 0xd6, 0xd2, 0xd4, 0xaf, 0xb1, |
| 0xa9, 0xbd, 0xc0, 0xb6, 0x00, 0xa5, 0x00, 0x8d, |
| 0x00, 0xd0, |
| }, { |
| 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe7, 0x7f, 0xe3, |
| 0xcc, 0xc1, 0xd0, 0xd5, 0xd3, 0xd3, 0xae, 0xaf, |
| 0xa8, 0xbe, 0xc0, 0xb7, 0x00, 0xa8, 0x00, 0x90, |
| 0x00, 0xd3, |
| } |
| }; |
| |
| static const s6e8aa0_gamma_table s6e8aa0_gamma_tables_v32[GAMMA_LEVEL_NUM] = { |
| { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0x72, 0x5e, 0x6b, |
| 0xa1, 0xa7, 0x9a, 0xb4, 0xcb, 0xb8, 0x92, 0xac, |
| 0x97, 0xb4, 0xc3, 0xb5, 0x00, 0x4e, 0x00, 0x37, |
| 0x00, 0x58, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0x85, 0x71, 0x7d, |
| 0xa6, 0xb6, 0xa1, 0xb5, 0xca, 0xba, 0x93, 0xac, |
| 0x98, 0xb2, 0xc0, 0xaf, 0x00, 0x59, 0x00, 0x43, |
| 0x00, 0x64, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa4, 0x94, 0x9e, |
| 0xa0, 0xbb, 0x9c, 0xc3, 0xd2, 0xc6, 0x93, 0xaa, |
| 0x95, 0xb7, 0xc2, 0xb4, 0x00, 0x65, 0x00, 0x50, |
| 0x00, 0x74, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xa1, 0xa6, |
| 0xa0, 0xb9, 0x9b, 0xc3, 0xd1, 0xc8, 0x90, 0xa6, |
| 0x90, 0xbb, 0xc3, 0xb7, 0x00, 0x6f, 0x00, 0x5b, |
| 0x00, 0x80, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa6, 0x9d, 0x9f, |
| 0x9f, 0xb8, 0x9a, 0xc7, 0xd5, 0xcc, 0x90, 0xa5, |
| 0x8f, 0xb8, 0xc1, 0xb6, 0x00, 0x74, 0x00, 0x60, |
| 0x00, 0x85, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb3, 0xae, 0xae, |
| 0x9e, 0xb7, 0x9a, 0xc8, 0xd6, 0xce, 0x91, 0xa6, |
| 0x90, 0xb6, 0xc0, 0xb3, 0x00, 0x78, 0x00, 0x65, |
| 0x00, 0x8a, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xa9, 0xa8, |
| 0xa3, 0xb9, 0x9e, 0xc4, 0xd3, 0xcb, 0x94, 0xa6, |
| 0x90, 0xb6, 0xbf, 0xb3, 0x00, 0x7c, 0x00, 0x69, |
| 0x00, 0x8e, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xaf, 0xaf, 0xa9, |
| 0xa5, 0xbc, 0xa2, 0xc7, 0xd5, 0xcd, 0x93, 0xa5, |
| 0x8f, 0xb4, 0xbd, 0xb1, 0x00, 0x83, 0x00, 0x70, |
| 0x00, 0x96, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa9, 0xab, 0xa3, |
| 0xaa, 0xbf, 0xa7, 0xc5, 0xd3, 0xcb, 0x93, 0xa5, |
| 0x8f, 0xb2, 0xbb, 0xb0, 0x00, 0x86, 0x00, 0x74, |
| 0x00, 0x9b, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb1, 0xb5, 0xab, |
| 0xab, 0xc0, 0xa9, 0xc7, 0xd4, 0xcc, 0x94, 0xa4, |
| 0x8f, 0xb1, 0xbb, 0xaf, 0x00, 0x8a, 0x00, 0x77, |
| 0x00, 0x9e, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb2, 0xa7, |
| 0xae, 0xc2, 0xab, 0xc5, 0xd3, 0xca, 0x93, 0xa4, |
| 0x8f, 0xb1, 0xba, 0xae, 0x00, 0x8d, 0x00, 0x7b, |
| 0x00, 0xa2, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa9, 0xaf, 0xa3, |
| 0xb0, 0xc3, 0xae, 0xc4, 0xd1, 0xc8, 0x93, 0xa4, |
| 0x8f, 0xb1, 0xba, 0xaf, 0x00, 0x8f, 0x00, 0x7d, |
| 0x00, 0xa5, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb4, 0xbd, 0xaf, |
| 0xae, 0xc1, 0xab, 0xc2, 0xd0, 0xc6, 0x94, 0xa4, |
| 0x8f, 0xb1, 0xba, 0xaf, 0x00, 0x92, 0x00, 0x80, |
| 0x00, 0xa8, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb0, 0xb9, 0xac, |
| 0xad, 0xc1, 0xab, 0xc4, 0xd1, 0xc7, 0x95, 0xa4, |
| 0x90, 0xb0, 0xb9, 0xad, 0x00, 0x95, 0x00, 0x84, |
| 0x00, 0xac, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb6, 0xa7, |
| 0xaf, 0xc2, 0xae, 0xc5, 0xd1, 0xc7, 0x93, 0xa3, |
| 0x8e, 0xb0, 0xb9, 0xad, 0x00, 0x98, 0x00, 0x86, |
| 0x00, 0xaf, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb4, 0xbf, 0xaf, |
| 0xad, 0xc1, 0xab, 0xc3, 0xd0, 0xc6, 0x94, 0xa3, |
| 0x8f, 0xaf, 0xb8, 0xac, 0x00, 0x9a, 0x00, 0x89, |
| 0x00, 0xb2, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb0, 0xbc, 0xac, |
| 0xaf, 0xc2, 0xad, 0xc2, 0xcf, 0xc4, 0x94, 0xa3, |
| 0x90, 0xaf, 0xb8, 0xad, 0x00, 0x9c, 0x00, 0x8b, |
| 0x00, 0xb5, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb9, 0xa7, |
| 0xb1, 0xc4, 0xaf, 0xc3, 0xcf, 0xc5, 0x94, 0xa3, |
| 0x8f, 0xae, 0xb7, 0xac, 0x00, 0x9f, 0x00, 0x8e, |
| 0x00, 0xb8, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb9, 0xa7, |
| 0xaf, 0xc2, 0xad, 0xc1, 0xce, 0xc3, 0x95, 0xa3, |
| 0x90, 0xad, 0xb6, 0xab, 0x00, 0xa2, 0x00, 0x91, |
| 0x00, 0xbb, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb1, 0xbe, 0xac, |
| 0xb1, 0xc4, 0xaf, 0xc1, 0xcd, 0xc1, 0x95, 0xa4, |
| 0x91, 0xad, 0xb6, 0xab, 0x00, 0xa4, 0x00, 0x93, |
| 0x00, 0xbd, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xbb, 0xa8, |
| 0xb3, 0xc5, 0xb2, 0xc1, 0xcd, 0xc2, 0x95, 0xa3, |
| 0x90, 0xad, 0xb6, 0xab, 0x00, 0xa6, 0x00, 0x95, |
| 0x00, 0xc0, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xbb, 0xa8, |
| 0xb0, 0xc3, 0xaf, 0xc2, 0xce, 0xc2, 0x94, 0xa2, |
| 0x90, 0xac, 0xb6, 0xab, 0x00, 0xa8, 0x00, 0x98, |
| 0x00, 0xc3, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa9, 0xb8, 0xa5, |
| 0xb3, 0xc5, 0xb2, 0xc1, 0xcc, 0xc0, 0x95, 0xa2, |
| 0x90, 0xad, 0xb6, 0xab, 0x00, 0xaa, 0x00, 0x9a, |
| 0x00, 0xc5, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb0, 0xc0, 0xac, |
| 0xb0, 0xc3, 0xaf, 0xc1, 0xcd, 0xc1, 0x95, 0xa2, |
| 0x90, 0xac, 0xb5, 0xa9, 0x00, 0xac, 0x00, 0x9c, |
| 0x00, 0xc8, |
| }, { |
| 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xbd, 0xa8, |
| 0xaf, 0xc2, 0xaf, 0xc1, 0xcc, 0xc0, 0x95, 0xa2, |
| 0x90, 0xac, 0xb5, 0xaa, 0x00, 0xb1, 0x00, 0xa1, |
| 0x00, 0xcc, |
| }, |
| }; |
| |
| static const struct s6e8aa0_variant s6e8aa0_variants[] = { |
| { |
| .version = 32, |
| .gamma_tables = s6e8aa0_gamma_tables_v32, |
| }, { |
| .version = 96, |
| .gamma_tables = s6e8aa0_gamma_tables_v96, |
| }, { |
| .version = 142, |
| .gamma_tables = s6e8aa0_gamma_tables_v142, |
| }, { |
| .version = 210, |
| .gamma_tables = s6e8aa0_gamma_tables_v142, |
| } |
| }; |
| |
| static void s6e8aa0_brightness_set(struct s6e8aa0 *ctx) |
| { |
| const u8 *gamma; |
| |
| if (ctx->error) |
| return; |
| |
| gamma = ctx->variant->gamma_tables[ctx->brightness]; |
| |
| if (ctx->version >= 142) |
| s6e8aa0_elvss_nvm_set(ctx); |
| |
| s6e8aa0_dcs_write(ctx, gamma, GAMMA_TABLE_LEN); |
| |
| /* update gamma table. */ |
| s6e8aa0_dcs_write_seq_static(ctx, 0xf7, 0x03); |
| } |
| |
| static void s6e8aa0_panel_init(struct s6e8aa0 *ctx) |
| { |
| s6e8aa0_apply_level_1_key(ctx); |
| s6e8aa0_apply_level_2_key(ctx); |
| msleep(20); |
| |
| s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_EXIT_SLEEP_MODE); |
| msleep(40); |
| |
| s6e8aa0_panel_cond_set(ctx); |
| s6e8aa0_display_condition_set(ctx); |
| s6e8aa0_brightness_set(ctx); |
| s6e8aa0_etc_source_control(ctx); |
| s6e8aa0_etc_pentile_control(ctx); |
| s6e8aa0_elvss_nvm_set(ctx); |
| s6e8aa0_etc_power_control(ctx); |
| s6e8aa0_etc_elvss_control(ctx); |
| msleep(ctx->init_delay); |
| } |
| |
| static void s6e8aa0_set_maximum_return_packet_size(struct s6e8aa0 *ctx, |
| int size) |
| { |
| struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); |
| const struct mipi_dsi_host_ops *ops = dsi->host->ops; |
| u8 buf[] = {size, 0}; |
| struct mipi_dsi_msg msg = { |
| .channel = dsi->channel, |
| .type = MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, |
| .tx_len = sizeof(buf), |
| .tx_buf = buf |
| }; |
| int ret; |
| |
| if (ctx->error < 0) |
| return; |
| |
| if (!ops || !ops->transfer) |
| ret = -EIO; |
| else |
| ret = ops->transfer(dsi->host, &msg); |
| |
| if (ret < 0) { |
| dev_err(ctx->dev, |
| "error %d setting maximum return packet size to %d\n", |
| ret, size); |
| ctx->error = ret; |
| } |
| } |
| |
| static void s6e8aa0_read_mtp_id(struct s6e8aa0 *ctx) |
| { |
| u8 id[3]; |
| int ret, i; |
| |
| ret = s6e8aa0_dcs_read(ctx, 0xd1, id, ARRAY_SIZE(id)); |
| if (ret < ARRAY_SIZE(id) || id[0] == 0x00) { |
| dev_err(ctx->dev, "read id failed\n"); |
| ctx->error = -EIO; |
| return; |
| } |
| |
| dev_info(ctx->dev, "ID: 0x%2x, 0x%2x, 0x%2x\n", id[0], id[1], id[2]); |
| |
| for (i = 0; i < ARRAY_SIZE(s6e8aa0_variants); ++i) { |
| if (id[1] == s6e8aa0_variants[i].version) |
| break; |
| } |
| if (i >= ARRAY_SIZE(s6e8aa0_variants)) { |
| dev_err(ctx->dev, "unsupported display version %d\n", id[1]); |
| ctx->error = -EINVAL; |
| return; |
| } |
| |
| ctx->variant = &s6e8aa0_variants[i]; |
| ctx->version = id[1]; |
| ctx->id = id[2]; |
| } |
| |
| static void s6e8aa0_set_sequence(struct s6e8aa0 *ctx) |
| { |
| s6e8aa0_set_maximum_return_packet_size(ctx, 3); |
| s6e8aa0_read_mtp_id(ctx); |
| s6e8aa0_panel_init(ctx); |
| s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_ON); |
| } |
| |
| static int s6e8aa0_power_on(struct s6e8aa0 *ctx) |
| { |
| int ret; |
| |
| ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); |
| if (ret < 0) |
| return ret; |
| |
| msleep(ctx->power_on_delay); |
| |
| gpiod_set_value(ctx->reset_gpio, 0); |
| usleep_range(10000, 11000); |
| gpiod_set_value(ctx->reset_gpio, 1); |
| |
| msleep(ctx->reset_delay); |
| |
| return 0; |
| } |
| |
| static int s6e8aa0_power_off(struct s6e8aa0 *ctx) |
| { |
| return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); |
| } |
| |
| static int s6e8aa0_disable(struct drm_panel *panel) |
| { |
| return 0; |
| } |
| |
| static int s6e8aa0_unprepare(struct drm_panel *panel) |
| { |
| struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel); |
| |
| s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE); |
| s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF); |
| msleep(40); |
| |
| s6e8aa0_clear_error(ctx); |
| |
| return s6e8aa0_power_off(ctx); |
| } |
| |
| static int s6e8aa0_prepare(struct drm_panel *panel) |
| { |
| struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel); |
| int ret; |
| |
| ret = s6e8aa0_power_on(ctx); |
| if (ret < 0) |
| return ret; |
| |
| s6e8aa0_set_sequence(ctx); |
| ret = ctx->error; |
| |
| if (ret < 0) |
| s6e8aa0_unprepare(panel); |
| |
| return ret; |
| } |
| |
| static int s6e8aa0_enable(struct drm_panel *panel) |
| { |
| return 0; |
| } |
| |
| static int s6e8aa0_get_modes(struct drm_panel *panel) |
| { |
| struct drm_connector *connector = panel->connector; |
| struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel); |
| struct drm_display_mode *mode; |
| |
| mode = drm_mode_create(connector->dev); |
| if (!mode) { |
| DRM_ERROR("failed to create a new display mode\n"); |
| return 0; |
| } |
| |
| drm_display_mode_from_videomode(&ctx->vm, mode); |
| mode->width_mm = ctx->width_mm; |
| mode->height_mm = ctx->height_mm; |
| connector->display_info.width_mm = mode->width_mm; |
| connector->display_info.height_mm = mode->height_mm; |
| |
| mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; |
| drm_mode_probed_add(connector, mode); |
| |
| return 1; |
| } |
| |
| static const struct drm_panel_funcs s6e8aa0_drm_funcs = { |
| .disable = s6e8aa0_disable, |
| .unprepare = s6e8aa0_unprepare, |
| .prepare = s6e8aa0_prepare, |
| .enable = s6e8aa0_enable, |
| .get_modes = s6e8aa0_get_modes, |
| }; |
| |
| static int s6e8aa0_parse_dt(struct s6e8aa0 *ctx) |
| { |
| struct device *dev = ctx->dev; |
| struct device_node *np = dev->of_node; |
| int ret; |
| |
| ret = of_get_videomode(np, &ctx->vm, 0); |
| if (ret < 0) |
| return ret; |
| |
| of_property_read_u32(np, "power-on-delay", &ctx->power_on_delay); |
| of_property_read_u32(np, "reset-delay", &ctx->reset_delay); |
| of_property_read_u32(np, "init-delay", &ctx->init_delay); |
| of_property_read_u32(np, "panel-width-mm", &ctx->width_mm); |
| of_property_read_u32(np, "panel-height-mm", &ctx->height_mm); |
| |
| ctx->flip_horizontal = of_property_read_bool(np, "flip-horizontal"); |
| ctx->flip_vertical = of_property_read_bool(np, "flip-vertical"); |
| |
| return 0; |
| } |
| |
| static int s6e8aa0_probe(struct mipi_dsi_device *dsi) |
| { |
| struct device *dev = &dsi->dev; |
| struct s6e8aa0 *ctx; |
| int ret; |
| |
| ctx = devm_kzalloc(dev, sizeof(struct s6e8aa0), GFP_KERNEL); |
| if (!ctx) |
| return -ENOMEM; |
| |
| mipi_dsi_set_drvdata(dsi, ctx); |
| |
| ctx->dev = dev; |
| |
| dsi->lanes = 4; |
| dsi->format = MIPI_DSI_FMT_RGB888; |
| dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
| | MIPI_DSI_MODE_VIDEO_HFP | MIPI_DSI_MODE_VIDEO_HBP |
| | MIPI_DSI_MODE_VIDEO_HSA | MIPI_DSI_MODE_EOT_PACKET |
| | MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_AUTO_VERT; |
| |
| ret = s6e8aa0_parse_dt(ctx); |
| if (ret < 0) |
| return ret; |
| |
| 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"); |
| 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); |
| } |
| ret = gpiod_direction_output(ctx->reset_gpio, 1); |
| if (ret < 0) { |
| dev_err(dev, "cannot configure reset-gpios %d\n", ret); |
| return ret; |
| } |
| |
| ctx->brightness = GAMMA_LEVEL_NUM - 1; |
| |
| drm_panel_init(&ctx->panel); |
| ctx->panel.dev = dev; |
| ctx->panel.funcs = &s6e8aa0_drm_funcs; |
| |
| ret = drm_panel_add(&ctx->panel); |
| if (ret < 0) |
| return ret; |
| |
| ret = mipi_dsi_attach(dsi); |
| if (ret < 0) |
| drm_panel_remove(&ctx->panel); |
| |
| return ret; |
| } |
| |
| static int s6e8aa0_remove(struct mipi_dsi_device *dsi) |
| { |
| struct s6e8aa0 *ctx = mipi_dsi_get_drvdata(dsi); |
| |
| mipi_dsi_detach(dsi); |
| drm_panel_remove(&ctx->panel); |
| |
| return 0; |
| } |
| |
| static struct of_device_id s6e8aa0_of_match[] = { |
| { .compatible = "samsung,s6e8aa0" }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, s6e8aa0_of_match); |
| |
| static struct mipi_dsi_driver s6e8aa0_driver = { |
| .probe = s6e8aa0_probe, |
| .remove = s6e8aa0_remove, |
| .driver = { |
| .name = "panel_s6e8aa0", |
| .owner = THIS_MODULE, |
| .of_match_table = s6e8aa0_of_match, |
| }, |
| }; |
| module_mipi_dsi_driver(s6e8aa0_driver); |
| |
| MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); |
| MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); |
| MODULE_AUTHOR("Joongmock Shin <jmock.shin@samsung.com>"); |
| MODULE_AUTHOR("Eunchul Kim <chulspro.kim@samsung.com>"); |
| MODULE_AUTHOR("Tomasz Figa <t.figa@samsung.com>"); |
| MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>"); |
| MODULE_DESCRIPTION("MIPI-DSI based s6e8aa0 AMOLED LCD Panel Driver"); |
| MODULE_LICENSE("GPL v2"); |
