700 lines
23 KiB
C
700 lines
23 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Panels based on the Ilitek ILI9882T display controller.
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*/
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/regulator/consumer.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_panel.h>
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#include <video/mipi_display.h>
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struct ili9882t;
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/*
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* Use this descriptor struct to describe different panels using the
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* Ilitek ILI9882T display controller.
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*/
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struct panel_desc {
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const struct drm_display_mode *modes;
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unsigned int bpc;
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/**
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* @width_mm: width of the panel's active display area
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* @height_mm: height of the panel's active display area
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*/
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struct {
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unsigned int width_mm;
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unsigned int height_mm;
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} size;
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unsigned long mode_flags;
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enum mipi_dsi_pixel_format format;
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int (*init)(struct ili9882t *boe);
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unsigned int lanes;
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};
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struct ili9882t {
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struct drm_panel base;
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struct mipi_dsi_device *dsi;
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const struct panel_desc *desc;
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enum drm_panel_orientation orientation;
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struct regulator *pp3300;
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struct regulator *pp1800;
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struct regulator *avee;
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struct regulator *avdd;
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struct gpio_desc *enable_gpio;
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};
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/* ILI9882-specific commands, add new commands as you decode them */
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#define ILI9882T_DCS_SWITCH_PAGE 0xFF
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#define ili9882t_switch_page(ctx, page) \
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mipi_dsi_dcs_write_seq_multi(ctx, ILI9882T_DCS_SWITCH_PAGE, \
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0x98, 0x82, (page))
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static int starry_ili9882t_init(struct ili9882t *ili)
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{
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struct mipi_dsi_multi_context ctx = { .dsi = ili->dsi };
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usleep_range(5000, 5100);
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ili9882t_switch_page(&ctx, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x00, 0x42);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x01, 0x11);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x02, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x03, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x04, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x05, 0x11);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x06, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x07, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x08, 0x80);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x09, 0x81);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0a, 0x71);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0b, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0c, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0e, 0x1a);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x24, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x25, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x26, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x27, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x2c, 0xd4);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xb9, 0x40);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xb0, 0x11);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe6, 0x32);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xd1, 0x30);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xd6, 0x55);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xd0, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe3, 0x93);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe4, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe5, 0x80);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x31, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x32, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x33, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x34, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x35, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x36, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x37, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x38, 0x28);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x39, 0x29);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3a, 0x11);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3b, 0x13);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3c, 0x15);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3d, 0x17);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3e, 0x09);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3f, 0x0d);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x40, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x41, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x42, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x43, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x44, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x45, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x46, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x47, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x48, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x49, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x4a, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x4b, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x4c, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x4d, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x4e, 0x28);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x4f, 0x29);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x50, 0x10);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x51, 0x12);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x52, 0x14);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x53, 0x16);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x54, 0x08);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x55, 0x0c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x56, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x57, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x58, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x59, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x5a, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x5b, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x5c, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x61, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x62, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x63, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x64, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x65, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x66, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x67, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x68, 0x28);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x69, 0x29);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6a, 0x16);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6b, 0x14);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6c, 0x12);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6d, 0x10);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6e, 0x0c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6f, 0x08);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x70, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x71, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x72, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x73, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x74, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x75, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x76, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x77, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x78, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x79, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7a, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7b, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7c, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7d, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7e, 0x28);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7f, 0x29);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x80, 0x17);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x81, 0x15);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x82, 0x13);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x83, 0x11);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x84, 0x0d);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x85, 0x09);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x86, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x87, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x88, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x89, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x8a, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x8b, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x8c, 0x07);
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ili9882t_switch_page(&ctx, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x29, 0x3a);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x2a, 0x3b);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x06, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x07, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x08, 0x0c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x09, 0x44);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3c, 0x0a);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x39, 0x11);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3d, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3a, 0x0c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x3b, 0x44);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x53, 0x1f);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x5e, 0x40);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x84, 0x00);
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ili9882t_switch_page(&ctx, 0x03);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x20, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x21, 0x3c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x22, 0xfa);
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ili9882t_switch_page(&ctx, 0x0a);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe0, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe2, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe5, 0x91);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe6, 0x3c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe7, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe8, 0xfa);
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ili9882t_switch_page(&ctx, 0x12);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x87, 0x2c);
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ili9882t_switch_page(&ctx, 0x05);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x73, 0xe5);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x7f, 0x6b);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6d, 0xa4);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x79, 0x54);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x69, 0x97);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x6a, 0x97);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xa5, 0x3f);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x61, 0xda);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xa7, 0xf1);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x5f, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x62, 0x3f);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x1d, 0x90);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x86, 0x87);
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ili9882t_switch_page(&ctx, 0x06);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xc0, 0x80);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xc1, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xca, 0x58);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xcb, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xce, 0x58);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xcf, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x67, 0x60);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x10, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x92, 0x22);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xd3, 0x08);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xd6, 0x55);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xdc, 0x38);
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ili9882t_switch_page(&ctx, 0x08);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe0, 0x00, 0x10, 0x2a, 0x4d, 0x61, 0x56, 0x6a, 0x6e,
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0x79, 0x76, 0x8f, 0x95, 0x98, 0xae, 0xaa, 0xb2, 0xbb, 0xce,
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0xc6, 0xbd, 0xd5, 0xe2, 0xe8);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xe1, 0x00, 0x10, 0x2a, 0x4d, 0x61, 0x56, 0x6a, 0x6e,
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0x79, 0x76, 0x8f, 0x95, 0x98, 0xae, 0xaa, 0xb2, 0xbb, 0xce,
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0xc6, 0xbd, 0xd5, 0xe2, 0xe8);
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ili9882t_switch_page(&ctx, 0x04);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0xba, 0x81);
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ili9882t_switch_page(&ctx, 0x0c);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x00, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x01, 0x00);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x02, 0x03);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x03, 0x01);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x04, 0x03);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x05, 0x02);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x06, 0x04);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x07, 0x03);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x08, 0x03);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x09, 0x04);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0a, 0x04);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0b, 0x05);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0c, 0x04);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0d, 0x06);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0e, 0x05);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x0f, 0x07);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x10, 0x04);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x11, 0x08);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x12, 0x05);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x13, 0x09);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x14, 0x05);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x15, 0x0a);
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mipi_dsi_dcs_write_seq_multi(&ctx, 0x16, 0x06);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x17, 0x0b);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x18, 0x05);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x19, 0x0c);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x1a, 0x06);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x1b, 0x0d);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x1c, 0x06);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x1d, 0x0e);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x1e, 0x07);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x1f, 0x0f);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x20, 0x06);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x21, 0x10);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x22, 0x07);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x23, 0x11);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x24, 0x07);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x25, 0x12);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x26, 0x08);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x27, 0x13);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x28, 0x07);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x29, 0x14);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2a, 0x08);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2b, 0x15);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2c, 0x08);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2d, 0x16);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2e, 0x09);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2f, 0x17);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x30, 0x08);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x31, 0x18);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x32, 0x09);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x33, 0x19);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x34, 0x09);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x35, 0x1a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x36, 0x0a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x37, 0x1b);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x38, 0x0a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x39, 0x1c);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x3a, 0x0a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x3b, 0x1d);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x3c, 0x0a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x3d, 0x1e);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x3e, 0x0a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x3f, 0x1f);
|
|
|
|
ili9882t_switch_page(&ctx, 0x04);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xba, 0x01);
|
|
|
|
ili9882t_switch_page(&ctx, 0x0e);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x02, 0x0c);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x20, 0x10);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x25, 0x16);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x26, 0xe0);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x27, 0x00);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x29, 0x71);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2a, 0x46);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2b, 0x1f);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x2d, 0xc7);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x31, 0x02);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x32, 0xdf);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x33, 0x5a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x34, 0xc0);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x35, 0x5a);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x36, 0xc0);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x38, 0x65);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x80, 0x3e);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x81, 0xa0);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb0, 0x01);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb1, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc0, 0x12);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc2, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc3, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc4, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc5, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc6, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc7, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc8, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc9, 0xcc);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x30, 0x00);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x00, 0x81);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x08, 0x02);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x09, 0x00);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x07, 0x21);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x04, 0x10);
|
|
|
|
ili9882t_switch_page(&ctx, 0x1e);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x60, 0x00);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x64, 0x00);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x6d, 0x00);
|
|
|
|
ili9882t_switch_page(&ctx, 0x0b);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xa6, 0x44);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xa7, 0xb6);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xa8, 0x03);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xa9, 0x03);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xaa, 0x51);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xab, 0x51);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xac, 0x04);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xbd, 0x92);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0xbe, 0xa1);
|
|
|
|
ili9882t_switch_page(&ctx, 0x05);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x86, 0x87);
|
|
|
|
ili9882t_switch_page(&ctx, 0x06);
|
|
mipi_dsi_dcs_write_seq_multi(&ctx, 0x92, 0x22);
|
|
|
|
ili9882t_switch_page(&ctx, 0x00);
|
|
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, 20);
|
|
|
|
return ctx.accum_err;
|
|
};
|
|
|
|
static inline struct ili9882t *to_ili9882t(struct drm_panel *panel)
|
|
{
|
|
return container_of(panel, struct ili9882t, base);
|
|
}
|
|
|
|
static int ili9882t_disable(struct drm_panel *panel)
|
|
{
|
|
struct ili9882t *ili = to_ili9882t(panel);
|
|
struct mipi_dsi_multi_context ctx = { .dsi = ili->dsi };
|
|
|
|
ili9882t_switch_page(&ctx, 0x00);
|
|
|
|
ili->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
|
|
|
|
mipi_dsi_dcs_set_display_off_multi(&ctx);
|
|
mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
|
|
|
|
mipi_dsi_msleep(&ctx, 150);
|
|
|
|
return ctx.accum_err;
|
|
}
|
|
|
|
static int ili9882t_unprepare(struct drm_panel *panel)
|
|
{
|
|
struct ili9882t *ili = to_ili9882t(panel);
|
|
|
|
gpiod_set_value(ili->enable_gpio, 0);
|
|
usleep_range(1000, 2000);
|
|
regulator_disable(ili->avee);
|
|
regulator_disable(ili->avdd);
|
|
usleep_range(5000, 7000);
|
|
regulator_disable(ili->pp1800);
|
|
regulator_disable(ili->pp3300);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ili9882t_prepare(struct drm_panel *panel)
|
|
{
|
|
struct ili9882t *ili = to_ili9882t(panel);
|
|
int ret;
|
|
|
|
gpiod_set_value(ili->enable_gpio, 0);
|
|
usleep_range(1000, 1500);
|
|
|
|
ret = regulator_enable(ili->pp3300);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = regulator_enable(ili->pp1800);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
usleep_range(3000, 5000);
|
|
|
|
ret = regulator_enable(ili->avdd);
|
|
if (ret < 0)
|
|
goto poweroff1v8;
|
|
ret = regulator_enable(ili->avee);
|
|
if (ret < 0)
|
|
goto poweroffavdd;
|
|
|
|
usleep_range(10000, 11000);
|
|
|
|
// MIPI needs to keep the LP11 state before the lcm_reset pin is pulled high
|
|
ret = mipi_dsi_dcs_nop(ili->dsi);
|
|
if (ret < 0) {
|
|
dev_err(&ili->dsi->dev, "Failed to send NOP: %d\n", ret);
|
|
goto poweroff;
|
|
}
|
|
usleep_range(1000, 2000);
|
|
|
|
gpiod_set_value(ili->enable_gpio, 1);
|
|
usleep_range(1000, 2000);
|
|
gpiod_set_value(ili->enable_gpio, 0);
|
|
msleep(50);
|
|
gpiod_set_value(ili->enable_gpio, 1);
|
|
usleep_range(6000, 10000);
|
|
|
|
ret = ili->desc->init(ili);
|
|
if (ret < 0)
|
|
goto poweroff;
|
|
|
|
return 0;
|
|
|
|
poweroff:
|
|
gpiod_set_value(ili->enable_gpio, 0);
|
|
regulator_disable(ili->avee);
|
|
poweroffavdd:
|
|
regulator_disable(ili->avdd);
|
|
poweroff1v8:
|
|
usleep_range(5000, 7000);
|
|
regulator_disable(ili->pp1800);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ili9882t_enable(struct drm_panel *panel)
|
|
{
|
|
msleep(130);
|
|
return 0;
|
|
}
|
|
|
|
static const struct drm_display_mode starry_ili9882t_default_mode = {
|
|
.clock = 165280,
|
|
.hdisplay = 1200,
|
|
.hsync_start = 1200 + 72,
|
|
.hsync_end = 1200 + 72 + 30,
|
|
.htotal = 1200 + 72 + 30 + 72,
|
|
.vdisplay = 1920,
|
|
.vsync_start = 1920 + 68,
|
|
.vsync_end = 1920 + 68 + 2,
|
|
.vtotal = 1920 + 68 + 2 + 10,
|
|
.type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
|
|
};
|
|
|
|
static const struct panel_desc starry_ili9882t_desc = {
|
|
.modes = &starry_ili9882t_default_mode,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width_mm = 141,
|
|
.height_mm = 226,
|
|
},
|
|
.lanes = 4,
|
|
.format = MIPI_DSI_FMT_RGB888,
|
|
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
|
|
MIPI_DSI_MODE_LPM,
|
|
.init = starry_ili9882t_init,
|
|
};
|
|
|
|
static int ili9882t_get_modes(struct drm_panel *panel,
|
|
struct drm_connector *connector)
|
|
{
|
|
struct ili9882t *ili = to_ili9882t(panel);
|
|
const struct drm_display_mode *m = ili->desc->modes;
|
|
struct drm_display_mode *mode;
|
|
|
|
mode = drm_mode_duplicate(connector->dev, m);
|
|
if (!mode) {
|
|
dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
|
|
m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
|
|
drm_mode_set_name(mode);
|
|
drm_mode_probed_add(connector, mode);
|
|
|
|
connector->display_info.width_mm = ili->desc->size.width_mm;
|
|
connector->display_info.height_mm = ili->desc->size.height_mm;
|
|
connector->display_info.bpc = ili->desc->bpc;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static enum drm_panel_orientation ili9882t_get_orientation(struct drm_panel *panel)
|
|
{
|
|
struct ili9882t *ili = to_ili9882t(panel);
|
|
|
|
return ili->orientation;
|
|
}
|
|
|
|
static const struct drm_panel_funcs ili9882t_funcs = {
|
|
.disable = ili9882t_disable,
|
|
.unprepare = ili9882t_unprepare,
|
|
.prepare = ili9882t_prepare,
|
|
.enable = ili9882t_enable,
|
|
.get_modes = ili9882t_get_modes,
|
|
.get_orientation = ili9882t_get_orientation,
|
|
};
|
|
|
|
static int ili9882t_add(struct ili9882t *ili)
|
|
{
|
|
struct device *dev = &ili->dsi->dev;
|
|
int err;
|
|
|
|
ili->avdd = devm_regulator_get(dev, "avdd");
|
|
if (IS_ERR(ili->avdd))
|
|
return PTR_ERR(ili->avdd);
|
|
|
|
ili->avee = devm_regulator_get(dev, "avee");
|
|
if (IS_ERR(ili->avee))
|
|
return PTR_ERR(ili->avee);
|
|
|
|
ili->pp3300 = devm_regulator_get(dev, "pp3300");
|
|
if (IS_ERR(ili->pp3300))
|
|
return PTR_ERR(ili->pp3300);
|
|
|
|
ili->pp1800 = devm_regulator_get(dev, "pp1800");
|
|
if (IS_ERR(ili->pp1800))
|
|
return PTR_ERR(ili->pp1800);
|
|
|
|
ili->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
|
|
if (IS_ERR(ili->enable_gpio)) {
|
|
dev_err(dev, "cannot get reset-gpios %ld\n",
|
|
PTR_ERR(ili->enable_gpio));
|
|
return PTR_ERR(ili->enable_gpio);
|
|
}
|
|
|
|
gpiod_set_value(ili->enable_gpio, 0);
|
|
|
|
drm_panel_init(&ili->base, dev, &ili9882t_funcs,
|
|
DRM_MODE_CONNECTOR_DSI);
|
|
err = of_drm_get_panel_orientation(dev->of_node, &ili->orientation);
|
|
if (err < 0) {
|
|
dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
|
|
return err;
|
|
}
|
|
|
|
err = drm_panel_of_backlight(&ili->base);
|
|
if (err)
|
|
return err;
|
|
|
|
ili->base.funcs = &ili9882t_funcs;
|
|
ili->base.dev = &ili->dsi->dev;
|
|
|
|
drm_panel_add(&ili->base);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ili9882t_probe(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct ili9882t *ili;
|
|
int ret;
|
|
const struct panel_desc *desc;
|
|
|
|
ili = devm_kzalloc(&dsi->dev, sizeof(*ili), GFP_KERNEL);
|
|
if (!ili)
|
|
return -ENOMEM;
|
|
|
|
desc = of_device_get_match_data(&dsi->dev);
|
|
dsi->lanes = desc->lanes;
|
|
dsi->format = desc->format;
|
|
dsi->mode_flags = desc->mode_flags;
|
|
ili->desc = desc;
|
|
ili->dsi = dsi;
|
|
ret = ili9882t_add(ili);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
mipi_dsi_set_drvdata(dsi, ili);
|
|
|
|
ret = mipi_dsi_attach(dsi);
|
|
if (ret)
|
|
drm_panel_remove(&ili->base);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void ili9882t_remove(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct ili9882t *ili = mipi_dsi_get_drvdata(dsi);
|
|
int ret;
|
|
|
|
ret = mipi_dsi_detach(dsi);
|
|
if (ret < 0)
|
|
dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
|
|
|
|
if (ili->base.dev)
|
|
drm_panel_remove(&ili->base);
|
|
}
|
|
|
|
static const struct of_device_id ili9882t_of_match[] = {
|
|
{ .compatible = "starry,ili9882t",
|
|
.data = &starry_ili9882t_desc
|
|
},
|
|
{ /* sentinel */ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, ili9882t_of_match);
|
|
|
|
static struct mipi_dsi_driver ili9882t_driver = {
|
|
.driver = {
|
|
.name = "panel-ili9882t",
|
|
.of_match_table = ili9882t_of_match,
|
|
},
|
|
.probe = ili9882t_probe,
|
|
.remove = ili9882t_remove,
|
|
};
|
|
module_mipi_dsi_driver(ili9882t_driver);
|
|
|
|
MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
|
|
MODULE_DESCRIPTION("Ilitek ILI9882T-based panels driver");
|
|
MODULE_LICENSE("GPL");
|