// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
#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>
#include <video/mipi_display.h>
static const char * const regulator_names[] = {
"vddi",
"avdd",
"avee",
};
static const unsigned long regulator_enable_loads[] = {
62000,
100000,
100000,
};
struct panel_desc {
const struct drm_display_mode *display_mode;
u32 width_mm;
u32 height_mm;
unsigned long mode_flags;
enum mipi_dsi_pixel_format format;
unsigned int lanes;
const char *panel_name;
void (*init_sequence)(struct mipi_dsi_multi_context *ctx);
};
struct nt36672e_panel {
struct drm_panel panel;
struct mipi_dsi_device *dsi;
struct gpio_desc *reset_gpio;
struct regulator_bulk_data supplies[3];
const struct panel_desc *desc;
};
#define NT36672E_DCS_SWITCH_PAGE 0xff
#define nt36672e_switch_page(ctx, page) \
mipi_dsi_dcs_write_seq_multi(ctx, NT36672E_DCS_SWITCH_PAGE, (page))
static void nt36672e_enable_reload_cmds(struct mipi_dsi_multi_context *ctx)
{
mipi_dsi_dcs_write_seq_multi(ctx, 0xfb, 0x01);
}
static inline struct nt36672e_panel *to_nt36672e_panel(struct drm_panel *panel)
{
return container_of(panel, struct nt36672e_panel, panel);
}
static void nt36672e_1080x2408_60hz_init(struct mipi_dsi_multi_context *ctx)
{
nt36672e_switch_page(ctx, 0x10);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb0, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xc0, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xc1, 0x89, 0x28, 0x00, 0x08, 0x00, 0xaa, 0x02,
0x0e, 0x00, 0x2b, 0x00, 0x07, 0x0d, 0xb7, 0x0c, 0xb7);
mipi_dsi_dcs_write_seq_multi(ctx, 0xc2, 0x1b, 0xa0);
nt36672e_switch_page(ctx, 0x20);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x66);
mipi_dsi_dcs_write_seq_multi(ctx, 0x06, 0x40);
mipi_dsi_dcs_write_seq_multi(ctx, 0x07, 0x38);
mipi_dsi_dcs_write_seq_multi(ctx, 0x2f, 0x83);
mipi_dsi_dcs_write_seq_multi(ctx, 0x69, 0x91);
mipi_dsi_dcs_write_seq_multi(ctx, 0x95, 0xd1);
mipi_dsi_dcs_write_seq_multi(ctx, 0x96, 0xd1);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf2, 0x64);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf3, 0x54);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf4, 0x64);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf5, 0x54);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf6, 0x64);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf7, 0x54);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf8, 0x64);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf9, 0x54);
nt36672e_switch_page(ctx, 0x24);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x03, 0x0c);
mipi_dsi_dcs_write_seq_multi(ctx, 0x05, 0x1d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x08, 0x2f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x09, 0x2e);
mipi_dsi_dcs_write_seq_multi(ctx, 0x0a, 0x2d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x0b, 0x2c);
mipi_dsi_dcs_write_seq_multi(ctx, 0x11, 0x17);
mipi_dsi_dcs_write_seq_multi(ctx, 0x12, 0x13);
mipi_dsi_dcs_write_seq_multi(ctx, 0x13, 0x15);
mipi_dsi_dcs_write_seq_multi(ctx, 0x15, 0x14);
mipi_dsi_dcs_write_seq_multi(ctx, 0x16, 0x16);
mipi_dsi_dcs_write_seq_multi(ctx, 0x17, 0x18);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1b, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1d, 0x1d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x20, 0x2f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x2e);
mipi_dsi_dcs_write_seq_multi(ctx, 0x22, 0x2d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x23, 0x2c);
mipi_dsi_dcs_write_seq_multi(ctx, 0x29, 0x17);
mipi_dsi_dcs_write_seq_multi(ctx, 0x2a, 0x13);
mipi_dsi_dcs_write_seq_multi(ctx, 0x2b, 0x15);
mipi_dsi_dcs_write_seq_multi(ctx, 0x2f, 0x14);
mipi_dsi_dcs_write_seq_multi(ctx, 0x30, 0x16);
mipi_dsi_dcs_write_seq_multi(ctx, 0x31, 0x18);
mipi_dsi_dcs_write_seq_multi(ctx, 0x32, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x34, 0x10);
mipi_dsi_dcs_write_seq_multi(ctx, 0x35, 0x1f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x36, 0x1f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x4d, 0x14);
mipi_dsi_dcs_write_seq_multi(ctx, 0x4e, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x4f, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x53, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x71, 0x30);
mipi_dsi_dcs_write_seq_multi(ctx, 0x79, 0x11);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7a, 0x82);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7b, 0x8f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7d, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x80, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x81, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x82, 0x13);
mipi_dsi_dcs_write_seq_multi(ctx, 0x84, 0x31);
mipi_dsi_dcs_write_seq_multi(ctx, 0x85, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x86, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x87, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x90, 0x13);
mipi_dsi_dcs_write_seq_multi(ctx, 0x92, 0x31);
mipi_dsi_dcs_write_seq_multi(ctx, 0x93, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x94, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x95, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9c, 0xf4);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9d, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa0, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa2, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa3, 0x02);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa4, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa5, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0xc6, 0xc0);
mipi_dsi_dcs_write_seq_multi(ctx, 0xc9, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xd9, 0x80);
mipi_dsi_dcs_write_seq_multi(ctx, 0xe9, 0x02);
nt36672e_switch_page(ctx, 0x25);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x18, 0x22);
mipi_dsi_dcs_write_seq_multi(ctx, 0x19, 0xe4);
mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x40);
mipi_dsi_dcs_write_seq_multi(ctx, 0x66, 0xd8);
mipi_dsi_dcs_write_seq_multi(ctx, 0x68, 0x50);
mipi_dsi_dcs_write_seq_multi(ctx, 0x69, 0x10);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6b, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6d, 0x0d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6e, 0x48);
mipi_dsi_dcs_write_seq_multi(ctx, 0x72, 0x41);
mipi_dsi_dcs_write_seq_multi(ctx, 0x73, 0x4a);
mipi_dsi_dcs_write_seq_multi(ctx, 0x74, 0xd0);
mipi_dsi_dcs_write_seq_multi(ctx, 0x77, 0x62);
mipi_dsi_dcs_write_seq_multi(ctx, 0x79, 0x7e);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7d, 0x03);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7e, 0x15);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7f, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x84, 0x4d);
mipi_dsi_dcs_write_seq_multi(ctx, 0xcf, 0x80);
mipi_dsi_dcs_write_seq_multi(ctx, 0xd6, 0x80);
mipi_dsi_dcs_write_seq_multi(ctx, 0xd7, 0x80);
mipi_dsi_dcs_write_seq_multi(ctx, 0xef, 0x20);
mipi_dsi_dcs_write_seq_multi(ctx, 0xf0, 0x84);
nt36672e_switch_page(ctx, 0x26);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x81, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x83, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0x84, 0x03);
mipi_dsi_dcs_write_seq_multi(ctx, 0x85, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0x86, 0x03);
mipi_dsi_dcs_write_seq_multi(ctx, 0x87, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0x88, 0x05);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8a, 0x1a);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8b, 0x11);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8c, 0x24);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8e, 0x42);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8f, 0x11);
mipi_dsi_dcs_write_seq_multi(ctx, 0x90, 0x11);
mipi_dsi_dcs_write_seq_multi(ctx, 0x91, 0x11);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9a, 0x80);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9b, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9c, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9d, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x9e, 0x00);
nt36672e_switch_page(ctx, 0x27);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x68);
mipi_dsi_dcs_write_seq_multi(ctx, 0x20, 0x81);
mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x6a);
mipi_dsi_dcs_write_seq_multi(ctx, 0x25, 0x81);
mipi_dsi_dcs_write_seq_multi(ctx, 0x26, 0x94);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6e, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6f, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x70, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x71, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x72, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x75, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x76, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x77, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7d, 0x09);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7e, 0x67);
mipi_dsi_dcs_write_seq_multi(ctx, 0x80, 0x23);
mipi_dsi_dcs_write_seq_multi(ctx, 0x82, 0x09);
mipi_dsi_dcs_write_seq_multi(ctx, 0x83, 0x67);
mipi_dsi_dcs_write_seq_multi(ctx, 0x88, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0x89, 0x10);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa5, 0x10);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa6, 0x23);
mipi_dsi_dcs_write_seq_multi(ctx, 0xa7, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb6, 0x40);
mipi_dsi_dcs_write_seq_multi(ctx, 0xe5, 0x02);
mipi_dsi_dcs_write_seq_multi(ctx, 0xe6, 0xd3);
mipi_dsi_dcs_write_seq_multi(ctx, 0xeb, 0x03);
mipi_dsi_dcs_write_seq_multi(ctx, 0xec, 0x28);
nt36672e_switch_page(ctx, 0x2a);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x00, 0x91);
mipi_dsi_dcs_write_seq_multi(ctx, 0x03, 0x20);
mipi_dsi_dcs_write_seq_multi(ctx, 0x07, 0x50);
mipi_dsi_dcs_write_seq_multi(ctx, 0x0a, 0x70);
mipi_dsi_dcs_write_seq_multi(ctx, 0x0c, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x0d, 0x40);
mipi_dsi_dcs_write_seq_multi(ctx, 0x0f, 0x01);
mipi_dsi_dcs_write_seq_multi(ctx, 0x11, 0xe0);
mipi_dsi_dcs_write_seq_multi(ctx, 0x15, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x16, 0xa4);
mipi_dsi_dcs_write_seq_multi(ctx, 0x19, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1a, 0x78);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1b, 0x23);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1d, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1e, 0x3e);
mipi_dsi_dcs_write_seq_multi(ctx, 0x1f, 0x3e);
mipi_dsi_dcs_write_seq_multi(ctx, 0x20, 0x3e);
mipi_dsi_dcs_write_seq_multi(ctx, 0x28, 0xfd);
mipi_dsi_dcs_write_seq_multi(ctx, 0x29, 0x12);
mipi_dsi_dcs_write_seq_multi(ctx, 0x2a, 0xe1);
mipi_dsi_dcs_write_seq_multi(ctx, 0x2d, 0x0a);
mipi_dsi_dcs_write_seq_multi(ctx, 0x30, 0x49);
mipi_dsi_dcs_write_seq_multi(ctx, 0x33, 0x96);
mipi_dsi_dcs_write_seq_multi(ctx, 0x34, 0xff);
mipi_dsi_dcs_write_seq_multi(ctx, 0x35, 0x40);
mipi_dsi_dcs_write_seq_multi(ctx, 0x36, 0xde);
mipi_dsi_dcs_write_seq_multi(ctx, 0x37, 0xf9);
mipi_dsi_dcs_write_seq_multi(ctx, 0x38, 0x45);
mipi_dsi_dcs_write_seq_multi(ctx, 0x39, 0xd9);
mipi_dsi_dcs_write_seq_multi(ctx, 0x3a, 0x49);
mipi_dsi_dcs_write_seq_multi(ctx, 0x4a, 0xf0);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7a, 0x09);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7b, 0x40);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7f, 0xf0);
mipi_dsi_dcs_write_seq_multi(ctx, 0x83, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x84, 0xa4);
mipi_dsi_dcs_write_seq_multi(ctx, 0x87, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x88, 0x78);
mipi_dsi_dcs_write_seq_multi(ctx, 0x89, 0x23);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8b, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8c, 0x7d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8d, 0x7d);
mipi_dsi_dcs_write_seq_multi(ctx, 0x8e, 0x7d);
nt36672e_switch_page(ctx, 0x20);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb0, 0x00, 0x00, 0x00, 0x17, 0x00, 0x49, 0x00,
0x6a, 0x00, 0x89, 0x00, 0x9f, 0x00, 0xb6, 0x00, 0xc8);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb1, 0x00, 0xd9, 0x01, 0x10, 0x01, 0x3a, 0x01,
0x7a, 0x01, 0xa9, 0x01, 0xf2, 0x02, 0x2d, 0x02, 0x2e);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb2, 0x02, 0x64, 0x02, 0xa3, 0x02, 0xca, 0x03,
0x00, 0x03, 0x1e, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb3, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03,
0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb4, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00,
0x71, 0x00, 0x90, 0x00, 0xa7, 0x00, 0xbf, 0x00, 0xd1);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb5, 0x00, 0xe2, 0x01, 0x1a, 0x01, 0x43, 0x01,
0x83, 0x01, 0xb2, 0x01, 0xfa, 0x02, 0x34, 0x02, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb6, 0x02, 0x6b, 0x02, 0xa8, 0x02, 0xd0, 0x03,
0x03, 0x03, 0x21, 0x03, 0x4d, 0x03, 0x5b, 0x03, 0x6b);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb7, 0x03, 0x7e, 0x03, 0x94, 0x03, 0xac, 0x03,
0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb8, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00,
0x72, 0x00, 0x92, 0x00, 0xa8, 0x00, 0xbf, 0x00, 0xd1);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb9, 0x00, 0xe2, 0x01, 0x18, 0x01, 0x42, 0x01,
0x81, 0x01, 0xaf, 0x01, 0xf5, 0x02, 0x2f, 0x02, 0x31);
mipi_dsi_dcs_write_seq_multi(ctx, 0xba, 0x02, 0x68, 0x02, 0xa6, 0x02, 0xcd, 0x03,
0x01, 0x03, 0x1f, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a);
mipi_dsi_dcs_write_seq_multi(ctx, 0xbb, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03,
0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00);
nt36672e_switch_page(ctx, 0x21);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb0, 0x00, 0x00, 0x00, 0x17, 0x00, 0x49, 0x00,
0x6a, 0x00, 0x89, 0x00, 0x9f, 0x00, 0xb6, 0x00, 0xc8);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb1, 0x00, 0xd9, 0x01, 0x10, 0x01, 0x3a, 0x01,
0x7a, 0x01, 0xa9, 0x01, 0xf2, 0x02, 0x2d, 0x02, 0x2e);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb2, 0x02, 0x64, 0x02, 0xa3, 0x02, 0xca, 0x03,
0x00, 0x03, 0x1e, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb3, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03,
0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb4, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00,
0x71, 0x00, 0x90, 0x00, 0xa7, 0x00, 0xbf, 0x00, 0xd1);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb5, 0x00, 0xe2, 0x01, 0x1a, 0x01, 0x43, 0x01,
0x83, 0x01, 0xb2, 0x01, 0xfa, 0x02, 0x34, 0x02, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb6, 0x02, 0x6b, 0x02, 0xa8, 0x02, 0xd0, 0x03,
0x03, 0x03, 0x21, 0x03, 0x4d, 0x03, 0x5b, 0x03, 0x6b);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb7, 0x03, 0x7e, 0x03, 0x94, 0x03, 0xac, 0x03,
0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb8, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x51, 0x00,
0x72, 0x00, 0x92, 0x00, 0xa8, 0x00, 0xbf, 0x00, 0xd1);
mipi_dsi_dcs_write_seq_multi(ctx, 0xb9, 0x00, 0xe2, 0x01, 0x18, 0x01, 0x42, 0x01,
0x81, 0x01, 0xaf, 0x01, 0xf5, 0x02, 0x2f, 0x02, 0x31);
mipi_dsi_dcs_write_seq_multi(ctx, 0xba, 0x02, 0x68, 0x02, 0xa6, 0x02, 0xcd, 0x03,
0x01, 0x03, 0x1f, 0x03, 0x4a, 0x03, 0x59, 0x03, 0x6a);
mipi_dsi_dcs_write_seq_multi(ctx, 0xbb, 0x03, 0x7d, 0x03, 0x93, 0x03, 0xab, 0x03,
0xc8, 0x03, 0xec, 0x03, 0xfe, 0x00, 0x00);
nt36672e_switch_page(ctx, 0x2c);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x61, 0x1f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x62, 0x1f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x7e, 0x03);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6a, 0x14);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6b, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6c, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x6d, 0x36);
mipi_dsi_dcs_write_seq_multi(ctx, 0x53, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x54, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x55, 0x04);
mipi_dsi_dcs_write_seq_multi(ctx, 0x56, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x58, 0x0f);
mipi_dsi_dcs_write_seq_multi(ctx, 0x59, 0x0f);
nt36672e_switch_page(ctx, 0xf0);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x5a, 0x00);
nt36672e_switch_page(ctx, 0x10);
nt36672e_enable_reload_cmds(ctx);
mipi_dsi_dcs_write_seq_multi(ctx, 0x51, 0xff);
mipi_dsi_dcs_write_seq_multi(ctx, 0x53, 0x24);
mipi_dsi_dcs_write_seq_multi(ctx, 0x55, 0x01);
}
static int nt36672e_power_on(struct nt36672e_panel *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
if (ret < 0) {
dev_err(&dsi->dev, "regulator bulk enable failed: %d\n", ret);
return ret;
}
/*
* Reset sequence of nt36672e panel requires the panel to be out of reset
* for 10ms, followed by being held in reset for 10ms and then out again.
*/
gpiod_set_value(ctx->reset_gpio, 1);
usleep_range(10000, 20000);
gpiod_set_value(ctx->reset_gpio, 0);
usleep_range(10000, 20000);
gpiod_set_value(ctx->reset_gpio, 1);
usleep_range(10000, 20000);
return 0;
}
static int nt36672e_power_off(struct nt36672e_panel *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
int ret = 0;
gpiod_set_value(ctx->reset_gpio, 0);
ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
if (ret)
dev_err(&dsi->dev, "regulator bulk disable failed: %d\n", ret);
return ret;
}
static int nt36672e_on(struct nt36672e_panel *nt36672e)
{
struct mipi_dsi_multi_context ctx = { .dsi = nt36672e->dsi };
const struct panel_desc *desc = nt36672e->desc;
nt36672e->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
if (desc->init_sequence)
desc->init_sequence(&ctx);
mipi_dsi_dcs_exit_sleep_mode_multi(&ctx);
mipi_dsi_msleep(&ctx, 120);
mipi_dsi_dcs_set_display_on_multi(&ctx);
mipi_dsi_msleep(&ctx, 100);
return ctx.accum_err;
}
static int nt36672e_off(struct nt36672e_panel *panel)
{
struct mipi_dsi_multi_context ctx = { .dsi = panel->dsi };
panel->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
mipi_dsi_dcs_set_display_off_multi(&ctx);
mipi_dsi_msleep(&ctx, 20);
mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
mipi_dsi_msleep(&ctx, 60);
return ctx.accum_err;
}
static int nt36672e_panel_prepare(struct drm_panel *panel)
{
struct nt36672e_panel *ctx = to_nt36672e_panel(panel);
struct mipi_dsi_device *dsi = ctx->dsi;
int ret;
ret = nt36672e_power_on(ctx);
if (ret < 0)
return ret;
ret = nt36672e_on(ctx);
if (ret < 0) {
if (nt36672e_power_off(ctx))
dev_err(&dsi->dev, "power off failed\n");
return ret;
}
return 0;
}
static int nt36672e_panel_unprepare(struct drm_panel *panel)
{
struct nt36672e_panel *ctx = to_nt36672e_panel(panel);
struct mipi_dsi_device *dsi = ctx->dsi;
int ret;
nt36672e_off(ctx);
ret = nt36672e_power_off(ctx);
if (ret < 0)
dev_err(&dsi->dev, "power off failed: %d\n", ret);
return 0;
}
static const struct drm_display_mode nt36672e_1080x2408_60hz = {
.name = "1080x2408",
.clock = 181690,
.hdisplay = 1080,
.hsync_start = 1080 + 76,
.hsync_end = 1080 + 76 + 12,
.htotal = 1080 + 76 + 12 + 56,
.vdisplay = 2408,
.vsync_start = 2408 + 46,
.vsync_end = 2408 + 46 + 10,
.vtotal = 2408 + 46 + 10 + 10,
.flags = 0,
};
static const struct panel_desc nt36672e_panel_desc = {
.display_mode = &nt36672e_1080x2408_60hz,
.width_mm = 74,
.height_mm = 131,
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS,
.format = MIPI_DSI_FMT_RGB888,
.lanes = 4,
.panel_name = "nt36672e fhd plus panel",
.init_sequence = nt36672e_1080x2408_60hz_init,
};
static int nt36672e_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector)
{
struct nt36672e_panel *ctx = to_nt36672e_panel(panel);
struct drm_display_mode *mode;
mode = drm_mode_duplicate(connector->dev, ctx->desc->display_mode);
if (!mode)
return -ENOMEM;
drm_mode_set_name(mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
connector->display_info.width_mm = ctx->desc->width_mm;
connector->display_info.height_mm = ctx->desc->height_mm;
drm_mode_probed_add(connector, mode);
return 1;
}
static const struct drm_panel_funcs nt36672e_drm_funcs = {
.prepare = nt36672e_panel_prepare,
.unprepare = nt36672e_panel_unprepare,
.get_modes = nt36672e_panel_get_modes,
};
static int nt36672e_panel_probe(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
struct nt36672e_panel *ctx;
int i, ret = 0;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ctx->desc = of_device_get_match_data(dev);
if (!ctx->desc) {
dev_err(dev, "missing device configuration\n");
return -ENODEV;
}
for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) {
ctx->supplies[i].supply = regulator_names[i];
ctx->supplies[i].init_load_uA = regulator_enable_loads[i];
}
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
ctx->supplies);
if (ret < 0)
return ret;
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(ctx->reset_gpio))
return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset-gpios\n");
ctx->dsi = dsi;
mipi_dsi_set_drvdata(dsi, ctx);
dsi->lanes = ctx->desc->lanes;
dsi->format = ctx->desc->format;
dsi->mode_flags = ctx->desc->mode_flags;
drm_panel_init(&ctx->panel, dev, &nt36672e_drm_funcs, DRM_MODE_CONNECTOR_DSI);
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return dev_err_probe(dev, ret, "Failed to get backlight\n");
ctx->panel.prepare_prev_first = true;
drm_panel_add(&ctx->panel);
ret = mipi_dsi_attach(dsi);
if (ret < 0) {
dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
goto err_dsi_attach;
}
return 0;
err_dsi_attach:
drm_panel_remove(&ctx->panel);
return ret;
}
static void nt36672e_panel_remove(struct mipi_dsi_device *dsi)
{
struct nt36672e_panel *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
drm_panel_remove(&ctx->panel);
}
static const struct of_device_id nt36672e_of_match[] = {
{
.compatible = "novatek,nt36672e",
.data = &nt36672e_panel_desc,
},
{ }
};
MODULE_DEVICE_TABLE(of, nt36672e_of_match);
static struct mipi_dsi_driver nt36672e_panel_driver = {
.driver = {
.name = "panel-novatek-nt36672e",
.of_match_table = nt36672e_of_match,
},
.probe = nt36672e_panel_probe,
.remove = nt36672e_panel_remove,
};
module_mipi_dsi_driver(nt36672e_panel_driver);
MODULE_AUTHOR("Ritesh Kumar <[email protected]>");
MODULE_DESCRIPTION("Novatek NT36672E DSI Panel Driver");
MODULE_LICENSE("GPL");
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