// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2017-2018, Bootlin
*/
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/gpio/consumer.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>
enum ili9881c_op {
ILI9881C_SWITCH_PAGE,
ILI9881C_COMMAND,
};
struct ili9881c_instr {
enum ili9881c_op op;
union arg {
struct cmd {
u8 cmd;
u8 data;
} cmd;
u8 page;
} arg;
};
struct ili9881c_desc {
const struct ili9881c_instr *init;
const size_t init_length;
const struct drm_display_mode *mode;
const unsigned long mode_flags;
};
struct ili9881c {
struct drm_panel panel;
struct mipi_dsi_device *dsi;
const struct ili9881c_desc *desc;
struct regulator *power;
struct gpio_desc *reset;
enum drm_panel_orientation orientation;
};
#define ILI9881C_SWITCH_PAGE_INSTR(_page) \
{ \
.op = ILI9881C_SWITCH_PAGE, \
.arg = { \
.page = (_page), \
}, \
}
#define ILI9881C_COMMAND_INSTR(_cmd, _data) \
{ \
.op = ILI9881C_COMMAND, \
.arg = { \
.cmd = { \
.cmd = (_cmd), \
.data = (_data), \
}, \
}, \
}
static const struct ili9881c_instr lhr050h41_init[] = {
ILI9881C_SWITCH_PAGE_INSTR(3),
ILI9881C_COMMAND_INSTR(0x01, 0x00),
ILI9881C_COMMAND_INSTR(0x02, 0x00),
ILI9881C_COMMAND_INSTR(0x03, 0x73),
ILI9881C_COMMAND_INSTR(0x04, 0x03),
ILI9881C_COMMAND_INSTR(0x05, 0x00),
ILI9881C_COMMAND_INSTR(0x06, 0x06),
ILI9881C_COMMAND_INSTR(0x07, 0x06),
ILI9881C_COMMAND_INSTR(0x08, 0x00),
ILI9881C_COMMAND_INSTR(0x09, 0x18),
ILI9881C_COMMAND_INSTR(0x0a, 0x04),
ILI9881C_COMMAND_INSTR(0x0b, 0x00),
ILI9881C_COMMAND_INSTR(0x0c, 0x02),
ILI9881C_COMMAND_INSTR(0x0d, 0x03),
ILI9881C_COMMAND_INSTR(0x0e, 0x00