[PATCH v4 2/2] drm/panel: Add driver for Novatek NT36523

From: Jianhua Lu
Date: Fri Mar 10 2023 - 08:22:33 EST

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Add a driver for panels using the Novatek NT36523 display driver IC.

Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx>
---
Changes in v4:
- add multiple modes support
- use dev_err_probe helper
- fix dsi_info type string
- reimplement mipi_dsi_dual_dcs_write_seq() macro

Changes in v3:
- Refactor source code

Changes in v2:
- Refactor and clean up source code

MAINTAINERS | 7 +
drivers/gpu/drm/panel/Kconfig | 10 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-novatek-nt36523.c | 771 ++++++++++++++++++
4 files changed, 789 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt36523.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 5383af5d3b45..3586248bb05d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6537,6 +6537,13 @@ T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml
F: drivers/gpu/drm/panel/panel-novatek-nt35560.c

+DRM DRIVER FOR NOVATEK NT36523 PANELS
+M: Jianhua Lu <lujianhua000@xxxxxxxxx>
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
+F: drivers/gpu/drm/panel/panel-novatek-nt36523.c
+
DRM DRIVER FOR NOVATEK NT36672A PANELS
M: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
S: Maintained
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 8eeee71c0000..268508743b5c 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -377,6 +377,16 @@ config DRM_PANEL_NOVATEK_NT35950
Sharp panels used in Sony Xperia Z5 Premium and XZ Premium
mobile phones.

+config DRM_PANEL_NOVATEK_NT36523
+ tristate "Novatek NT36523 panel driver"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
+ help
+ Say Y here if you want to enable support for the panels built
+ around the Novatek NT36523 display controller, such as some
+ Boe panels used in Xiaomi Mi Pad 5 and 5 Pro tablets.
+
config DRM_PANEL_NOVATEK_NT36672A
tristate "Novatek NT36672A DSI panel"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index c05aa9e23907..570eab8bf2b2 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3052C) += panel-newvision-nv3052c.o
obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35510) += panel-novatek-nt35510.o
obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35560) += panel-novatek-nt35560.o
obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35950) += panel-novatek-nt35950.o
+obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36523) += panel-novatek-nt36523.o
obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672A) += panel-novatek-nt36672a.o
obj-$(CONFIG_DRM_PANEL_NOVATEK_NT39016) += panel-novatek-nt39016.o
obj-$(CONFIG_DRM_PANEL_MANTIX_MLAF057WE51) += panel-mantix-mlaf057we51.o
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
new file mode 100644
index 000000000000..78232c2735ff
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
@@ -0,0 +1,771 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Novatek NT36523 DriverIC panels driver
+ *
+ * Copyright (c) 2022, 2023 Jianhua Lu <lujianhua000@xxxxxxxxx>
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_graph.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+#define DSI_NUM_MIN 1
+
+#define mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, cmd, seq...) \
+ do { \
+ mipi_dsi_dcs_write_seq(dsi0, cmd, seq); \
+ mipi_dsi_dcs_write_seq(dsi1, cmd, seq); \
+ } while (0)
+
+struct panel_info {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi[2];
+ const struct panel_desc *desc;
+
+ struct gpio_desc *reset_gpio;
+ struct backlight_device *backlight;
+ struct regulator *vddio;
+
+ bool prepared;
+};
+
+struct panel_desc {
+ unsigned int width_mm;
+ unsigned int height_mm;
+
+ unsigned int bpc;
+ unsigned int lanes;
+ unsigned long mode_flags;
+ enum mipi_dsi_pixel_format format;
+
+ const struct drm_display_mode *modes;
+ unsigned int num_modes;
+ const struct mipi_dsi_device_info dsi_info;
+ int (*init_sequence)(struct panel_info *pinfo);
+
+ bool is_dual_dsi;
+};
+
+static inline struct panel_info *to_panel_info(struct drm_panel *panel)
+{
+ return container_of(panel, struct panel_info, panel);
+}
+
+static int elish_boe_init_sequence(struct panel_info *pinfo)
+{
+ struct mipi_dsi_device *dsi0 = pinfo->dsi[0];
+ struct mipi_dsi_device *dsi1 = pinfo->dsi[1];
+ /* No datasheet, so write magic init sequence directly */
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB9, 0x05);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x18, 0x40);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB9, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x23);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0x84);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x05, 0x2D);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x06, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x07, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x08, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0x45);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x12, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x15, 0x83);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x16, 0x0C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29, 0x0A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x31, 0xFE);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x32, 0xFD);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x33, 0xFB);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x34, 0xF8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0xF5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x36, 0xF3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x37, 0xF2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x38, 0xF2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0xF2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3A, 0xEF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3B, 0xEC);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3D, 0xE9);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3F, 0xE5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x40, 0xE5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x41, 0xE5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2A, 0x13);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x45, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x46, 0xF4);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x47, 0xE7);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x48, 0xDA);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x49, 0xCD);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4A, 0xC0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4B, 0xB3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4C, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4D, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4E, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4F, 0x99);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x50, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x68);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x52, 0x66);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x66);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x54, 0x66);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2B, 0x0E);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x58, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x59, 0xFB);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5A, 0xF7);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5B, 0xF3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5C, 0xEF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5D, 0xE3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5E, 0xDA);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5F, 0xD8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x60, 0xD8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x61, 0xD8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x62, 0xCB);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x63, 0xBF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x64, 0xB3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x65, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x66, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x67, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x2A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x25, 0x47);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0x47);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0x47);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x26);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1A, 0xE0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1B, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1C, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2A, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2B, 0xE0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xF0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x84, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x85, 0x0C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x25);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x91, 0x1F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x92, 0x0F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x93, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x94, 0x18);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x95, 0x03);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x96, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB0, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x25);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x1F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1B, 0x1B);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x24);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB8, 0x28);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x27);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD0, 0x31);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD1, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD2, 0x30);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD4, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xDE, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xDF, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x26);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x81);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0xB0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x22);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9F, 0x50);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x6F, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x70, 0x11);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x73, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x74, 0x49);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x76, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x77, 0x49);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xA0, 0x3F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xA9, 0x50);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xAA, 0x28);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xAB, 0x28);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xAD, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB8, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB9, 0x49);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBA, 0x49);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBB, 0x49);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBE, 0x04);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBF, 0x49);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC0, 0x04);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC1, 0x59);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC2, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC5, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC6, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC7, 0x48);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCA, 0x43);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCB, 0x3C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCE, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCF, 0x43);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD0, 0x3C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD3, 0x43);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD4, 0x3C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD7, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xDC, 0x43);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xDD, 0x3C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xE1, 0x43);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xE2, 0x3C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xF2, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xF3, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xF4, 0x48);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x25);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x13, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x14, 0x23);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBC, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBD, 0x23);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x2A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x97, 0x3C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x98, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x99, 0x95);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9A, 0x03);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9B, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9C, 0x0B);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9D, 0x0A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9E, 0x90);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x22);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9F, 0x50);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x23);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xA3, 0x50);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xE0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x14, 0x60);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x16, 0xC0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4F, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xF0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3A, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xD0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x02, 0xAF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0xEE);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1C, 0x99);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1D, 0x09);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x0F, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x2C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBB, 0x13);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3B, 0x03, 0xAC, 0x1A, 0x04, 0x04);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11);
+ msleep(70);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29);
+ return 0;
+}
+
+static int elish_csot_init_sequence(struct panel_info *pinfo)
+{
+ struct mipi_dsi_device *dsi0 = pinfo->dsi[0];
+ struct mipi_dsi_device *dsi1 = pinfo->dsi[1];
+ /* No datasheet, so write magic init sequence directly */
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB9, 0x05);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x18, 0x40);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB9, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xD0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x02, 0xAF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x30);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0xEE);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1C, 0x99);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1D, 0x09);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xF0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3A, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xE0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4F, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x58, 0x40);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x23);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0x84);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x05, 0x2D);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x06, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x07, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x08, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x09, 0x45);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x12, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x15, 0x83);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x16, 0x0C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29, 0x0A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x31, 0xFE);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x32, 0xFD);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x33, 0xFB);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x34, 0xF8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x35, 0xF5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x36, 0xF3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x37, 0xF2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x38, 0xF2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0xF2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3A, 0xEF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3B, 0xEC);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3D, 0xE9);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3F, 0xE5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x40, 0xE5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x41, 0xE5);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2A, 0x13);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x45, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x46, 0xF4);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x47, 0xE7);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x48, 0xDA);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x49, 0xCD);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4A, 0xC0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4B, 0xB3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4C, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4D, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4E, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x4F, 0x99);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x50, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x68);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x52, 0x66);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x66);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x54, 0x66);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2B, 0x0E);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x58, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x59, 0xFB);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5A, 0xF7);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5B, 0xF3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5C, 0xEF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5D, 0xE3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5E, 0xDA);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x5F, 0xD8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x60, 0xD8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x61, 0xD8);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x62, 0xCB);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x63, 0xBF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x64, 0xB3);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x65, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x66, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x67, 0xB2);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x0F, 0xFF);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x53, 0x2C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x55, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBB, 0x13);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x3B, 0x03, 0xAC, 0x1A, 0x04, 0x04);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x2A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x25, 0x46);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x30, 0x46);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x39, 0x46);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x26);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0xB0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1A, 0xE0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1B, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1C, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2A, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x2B, 0xE0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0xF0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x84, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x85, 0x0C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x51, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x25);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x91, 0x1F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x92, 0x0F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x93, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x94, 0x18);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x95, 0x03);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x96, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB0, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x25);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x19, 0x1F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x1B, 0x1B);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x24);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB8, 0x28);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x27);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD0, 0x31);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD1, 0x20);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD4, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xDE, 0x80);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xDF, 0x02);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x26);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x00, 0x81);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x01, 0xB0);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x22);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x6F, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x70, 0x11);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x73, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x74, 0x4D);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xA0, 0x3F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xA9, 0x50);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xAA, 0x28);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xAB, 0x28);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xAD, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB8, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xB9, 0x4B);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBA, 0x96);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBB, 0x4B);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBE, 0x07);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBF, 0x4B);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC0, 0x07);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC1, 0x5C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC2, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC5, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC6, 0x3F);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xC7, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCA, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCB, 0x40);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCE, 0x00);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xCF, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD0, 0x40);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD3, 0x08);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xD4, 0x40);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x25);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBC, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xBD, 0x1C);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x2A);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFB, 0x01);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x9A, 0x03);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0xFF, 0x10);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x11);
+ msleep(70);
+ mipi_dsi_dual_dcs_write_seq(dsi0, dsi1, 0x29);
+ return 0;
+}
+
+static const struct drm_display_mode elish_boe_modes[] = {
+ {
+ /* There is only one 120 Hz timing, but it doesn't work perfectly, 104 Hz prefered */
+ .clock = (1600 + 60 + 8 + 60) * (2560 + 26 + 4 + 168) * 104 / 1000,
+ .hdisplay = 1600,
+ .hsync_start = 1600 + 60,
+ .hsync_end = 1600 + 60 + 8,
+ .htotal = 1600 + 60 + 8 + 60,
+ .vdisplay = 2560,
+ .vsync_start = 2560 + 26,
+ .vsync_end = 2560 + 26 + 4,
+ .vtotal = 2560 + 26 + 4 + 168,
+ },
+};
+
+static const struct drm_display_mode elish_csot_modes[] = {
+ {
+ /* There is only one 120 Hz timing, but it doesn't work perfectly, 104 Hz prefered */
+ .clock = (1600 + 200 + 40 + 52) * (2560 + 26 + 4 + 168) * 104 / 1000,
+ .hdisplay = 1600,
+ .hsync_start = 1600 + 200,
+ .hsync_end = 1600 + 200 + 40,
+ .htotal = 1600 + 200 + 40 + 52,
+ .vdisplay = 2560,
+ .vsync_start = 2560 + 26,
+ .vsync_end = 2560 + 26 + 4,
+ .vtotal = 2560 + 26 + 4 + 168,
+ },
+};
+
+static const struct panel_desc elish_boe_desc = {
+ .modes = elish_boe_modes,
+ .num_modes = ARRAY_SIZE(elish_boe_modes),
+ .dsi_info = {
+ .type = "BOE-elish",
+ .channel = 0,
+ .node = NULL,
+ },
+ .width_mm = 127,
+ .height_mm = 203,
+ .bpc = 8,
+ .lanes = 3,
+ .format = MIPI_DSI_FMT_RGB888,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
+ .init_sequence = elish_boe_init_sequence,
+ .is_dual_dsi = true,
+};
+
+static const struct panel_desc elish_csot_desc = {
+ .modes = elish_csot_modes,
+ .num_modes = ARRAY_SIZE(elish_csot_modes),
+ .dsi_info = {
+ .type = "CSOT-elish",
+ .channel = 0,
+ .node = NULL,
+ },
+ .width_mm = 127,
+ .height_mm = 203,
+ .bpc = 8,
+ .lanes = 3,
+ .format = MIPI_DSI_FMT_RGB888,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
+ .init_sequence = elish_csot_init_sequence,
+ .is_dual_dsi = true,
+};
+
+static void nt36523_reset(struct panel_info *pinfo)
+{
+ gpiod_set_value_cansleep(pinfo->reset_gpio, 1);
+ usleep_range(12000, 13000);
+ gpiod_set_value_cansleep(pinfo->reset_gpio, 0);
+ usleep_range(12000, 13000);
+ gpiod_set_value_cansleep(pinfo->reset_gpio, 1);
+ usleep_range(12000, 13000);
+ gpiod_set_value_cansleep(pinfo->reset_gpio, 0);
+ usleep_range(12000, 13000);
+}
+
+static int nt36523_prepare(struct drm_panel *panel)
+{
+ struct panel_info *pinfo = to_panel_info(panel);
+ int ret;
+
+ if (pinfo->prepared)
+ return 0;
+
+ ret = regulator_enable(pinfo->vddio);
+ if (ret) {
+ dev_err(panel->dev, "failed to enable vddio regulator: %d\n", ret);
+ return ret;
+ }
+
+ nt36523_reset(pinfo);
+
+ ret = pinfo->desc->init_sequence(pinfo);
+ if (ret < 0) {
+ regulator_disable(pinfo->vddio);
+ dev_err(panel->dev, "failed to initialize panel: %d\n", ret);
+ return ret;
+ }
+
+ pinfo->prepared = true;
+
+ return 0;
+}
+
+static int nt36523_disable(struct drm_panel *panel)
+{
+ struct panel_info *pinfo = to_panel_info(panel);
+ int i, ret;
+
+ for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) {
+ ret = mipi_dsi_dcs_set_display_off(pinfo->dsi[i]);
+ if (ret < 0)
+ dev_err(&pinfo->dsi[i]->dev, "failed to set display off: %d\n", ret);
+ }
+
+ for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) {
+ ret = mipi_dsi_dcs_enter_sleep_mode(pinfo->dsi[i]);
+ if (ret < 0)
+ dev_err(&pinfo->dsi[i]->dev, "failed to enter sleep mode: %d\n", ret);
+ }
+
+ msleep(70);
+
+ return 0;
+}
+
+static int nt36523_unprepare(struct drm_panel *panel)
+{
+ struct panel_info *pinfo = to_panel_info(panel);
+
+ if (!pinfo->prepared)
+ return 0;
+
+ gpiod_set_value_cansleep(pinfo->reset_gpio, 1);
+ regulator_disable(pinfo->vddio);
+
+ pinfo->prepared = false;
+
+ return 0;
+}
+
+static void nt36523_remove(struct mipi_dsi_device *dsi)
+{
+ struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ret = mipi_dsi_detach(pinfo->dsi[0]);
+ if (ret < 0)
+ dev_err(&dsi->dev, "failed to detach from DSI0 host: %d\n", ret);
+
+ if (pinfo->desc->is_dual_dsi) {
+ ret = mipi_dsi_detach(pinfo->dsi[1]);
+ if (ret < 0)
+ dev_err(&pinfo->dsi[1]->dev, "failed to detach from DSI1 host: %d\n", ret);
+ mipi_dsi_device_unregister(pinfo->dsi[1]);
+ }
+
+ drm_panel_remove(&pinfo->panel);
+}
+
+static int nt36523_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct panel_info *pinfo = to_panel_info(panel);
+ int i;
+
+ for (i =0; i < pinfo->desc->num_modes; i++) {
+ const struct drm_display_mode *m = &pinfo->desc->modes[i];
+ 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 = pinfo->desc->width_mm;
+ connector->display_info.height_mm = pinfo->desc->height_mm;
+ connector->display_info.bpc = pinfo->desc->bpc;
+
+ return pinfo->desc->num_modes;
+}
+
+static const struct drm_panel_funcs nt36523_panel_funcs = {
+ .disable = nt36523_disable,
+ .prepare = nt36523_prepare,
+ .unprepare = nt36523_unprepare,
+ .get_modes = nt36523_get_modes,
+};
+
+static int nt36523_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct device_node *dsi1;
+ struct mipi_dsi_host *dsi1_host;
+ struct panel_info *pinfo;
+ const struct mipi_dsi_device_info *info;
+ int i, ret;
+
+ pinfo = devm_kzalloc(dev, sizeof(*pinfo), GFP_KERNEL);
+ if (!pinfo)
+ return -ENOMEM;
+
+ pinfo->vddio = devm_regulator_get(dev, "vddio");
+ if (IS_ERR(pinfo->vddio))
+ return dev_err_probe(dev, PTR_ERR(pinfo->vddio), "failed to get vddio regulator\n");
+
+ pinfo->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(pinfo->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(pinfo->reset_gpio), "failed to get reset gpio\n");
+
+ pinfo->desc = of_device_get_match_data(dev);
+ if (!pinfo->desc)
+ return -ENODEV;
+
+ /* If the panel is dual dsi, register DSI1 */
+ if (pinfo->desc->is_dual_dsi) {
+ info = &pinfo->desc->dsi_info;
+
+ dsi1 = of_graph_get_remote_node(dsi->dev.of_node, 1, -1);
+ if (!dsi1) {
+ dev_err(dev, "cannot get secondary DSI node.\n");
+ return -ENODEV;
+ }
+
+ dsi1_host = of_find_mipi_dsi_host_by_node(dsi1);
+ of_node_put(dsi1);
+ if (!dsi1_host) {
+ return dev_err_probe(dev, -EPROBE_DEFER, "cannot get secondary DSI host\n");
+ }
+
+ pinfo->dsi[1] = mipi_dsi_device_register_full(dsi1_host, info);
+ if (!pinfo->dsi[1]) {
+ dev_err(dev, "cannot get secondary DSI device\n");
+ return -ENODEV;
+ }
+ }
+
+ pinfo->dsi[0] = dsi;
+ mipi_dsi_set_drvdata(dsi, pinfo);
+ drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+
+ ret = drm_panel_of_backlight(&pinfo->panel);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to get backlight\n");
+
+ drm_panel_add(&pinfo->panel);
+
+ for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) {
+ pinfo->dsi[i]->lanes = pinfo->desc->lanes;
+ pinfo->dsi[i]->format = pinfo->desc->format;
+ pinfo->dsi[i]->mode_flags = pinfo->desc->mode_flags;
+
+ ret = mipi_dsi_attach(pinfo->dsi[i]);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "cannot attach to DSI%d host.\n", i);
+ }
+
+ return 0;
+}
+
+static const struct of_device_id nt36523_of_match[] = {
+ {
+ .compatible = "xiaomi,elish-boe-nt36523",
+ .data = &elish_boe_desc,
+ },
+ {
+ .compatible = "xiaomi,elish-csot-nt36523",
+ .data = &elish_csot_desc,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, nt36523_of_match);
+
+static struct mipi_dsi_driver nt36523_driver = {
+ .probe = nt36523_probe,
+ .remove = nt36523_remove,
+ .driver = {
+ .name = "panel-novatek-nt36523",
+ .of_match_table = nt36523_of_match,
+ },
+};
+module_mipi_dsi_driver(nt36523_driver);
+
+MODULE_AUTHOR("Jianhua Lu <lujianhua000@xxxxxxxxx>");
+MODULE_DESCRIPTION("DRM driver for Novatek NT36523 based MIPI DSI panels");
+MODULE_LICENSE("GPL");
--
2.39.2

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