+++ /dev/null
-/*
- * 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_buffer(dsi, data, len);
- if (ret < 0) {
- dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n", ret,
- (int)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,
- u16 size)
-{
- struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- int ret;
-
- if (ctx->error < 0)
- return;
-
- ret = mipi_dsi_set_maximum_return_packet_size(dsi, size);
- 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", GPIOD_OUT_HIGH);
- 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->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",
- .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");
Code Review / kvmfornfv.git / blobdiff