Changes since v1:
- update typo nl6 -> n16.
- update new panel config and makefile are added in alphabetically order.
- add the panel mode and panel info in driver data.
Jitao Shi (2):
dt-bindngs: display: panel: Add BOE tv101wum-n16 panel bindings
drm/panel: support for BOE tv101wum-nl6 wuxga dsi video mode panel
.../display/panel/boe,tv101wum-nl6.txt | 34 +
drivers/gpu/drm/panel/Kconfig | 10 +
drivers/gpu/drm/panel/Makefile | 1 +
.../gpu/drm/panel/panel-boe-tv101wum-nl6.c | 715 ++++++++++++++++++
4 files changed, 760 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.txt
create mode 100644 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
--
2.21.0
Add driver for BOE tv101wum-nl6 panel is a 10.1" 1200x1920 panel.
Signed-off-by: Jitao Shi <[email protected]>
---
drivers/gpu/drm/panel/Kconfig | 10 +
drivers/gpu/drm/panel/Makefile | 1 +
.../gpu/drm/panel/panel-boe-tv101wum-nl6.c | 715 ++++++++++++++++++
3 files changed, 726 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index e36dbb4df867..2b055ce0700b 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -17,6 +17,15 @@ config DRM_PANEL_ARM_VERSATILE
reference designs. The panel is detected using special registers
in the Versatile family syscon registers.
+config DRM_PANEL_BOE_TV101WUM_NL6
+ tristate "BOE TV101WUM 1200x1920 panel"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
+ help
+ Say Y here if you want to support for BOE TV101WUM WUXGA PANEL
+ DSI Video Mode panel
+
config DRM_PANEL_LVDS
tristate "Generic LVDS panel driver"
depends on OF
@@ -272,4 +281,5 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
help
Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
Video Mode panel
+
endmenu
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 78e3dc376bdd..8d009223c44e 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
+obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
new file mode 100644
index 000000000000..6e06c8506623
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -0,0 +1,715 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Jitao Shi <[email protected]>
+ */
+
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <video/mipi_display.h>
+
+struct panel_desc {
+ const struct drm_display_mode *modes;
+ unsigned int bpc;
+
+ /**
+ * @width: width (in millimeters) of the panel's active display area
+ * @height: height (in millimeters) of the panel's active display area
+ */
+ struct {
+ unsigned int width;
+ unsigned int height;
+ } size;
+
+ unsigned long mode_flags;
+ enum mipi_dsi_pixel_format format;
+ const struct panel_init_cmd *init_cmds;
+ unsigned int lanes;
+};
+
+struct boe_panel {
+ struct drm_panel base;
+ struct mipi_dsi_device *dsi;
+
+ const struct panel_desc *desc;
+
+ struct backlight_device *backlight;
+ struct regulator *pp1800;
+ struct regulator *avee;
+ struct regulator *avdd;
+ struct gpio_desc *enable_gpio;
+
+ bool prepared;
+ bool enabled;
+
+ const struct drm_display_mode *mode;
+};
+
+enum dsi_cmd_type {
+ INIT_DCS_CMD,
+ DELAY_CMD,
+};
+
+struct panel_init_cmd {
+ enum dsi_cmd_type type;
+ size_t len;
+ const char *data;
+};
+
+#define _INIT_DCS_CMD(...) { \
+ .type = INIT_DCS_CMD, \
+ .len = sizeof((char[]){__VA_ARGS__}), \
+ .data = (char[]){__VA_ARGS__} }
+
+#define _INIT_DELAY_CMD(...) { \
+ .type = DELAY_CMD,\
+ .len = sizeof((char[]){__VA_ARGS__}), \
+ .data = (char[]){__VA_ARGS__} }
+
+static const struct panel_init_cmd boe_init_cmd[] = {
+ _INIT_DELAY_CMD(24),
+ _INIT_DCS_CMD(0xB0, 0x05),
+ _INIT_DCS_CMD(0xB1, 0xE5),
+ _INIT_DCS_CMD(0xB3, 0x52),
+ _INIT_DCS_CMD(0xB0, 0x00),
+ _INIT_DCS_CMD(0xB3, 0x88),
+ _INIT_DCS_CMD(0xB0, 0x04),
+ _INIT_DCS_CMD(0xB8, 0x00),
+ _INIT_DCS_CMD(0xB0, 0x00),
+ _INIT_DCS_CMD(0xB6, 0x03),
+ _INIT_DCS_CMD(0xBA, 0x8B),
+ _INIT_DCS_CMD(0xBF, 0x1A),
+ _INIT_DCS_CMD(0xC0, 0x0F),
+ _INIT_DCS_CMD(0xC2, 0x0C),
+ _INIT_DCS_CMD(0xC3, 0x02),
+ _INIT_DCS_CMD(0xC4, 0x0C),
+ _INIT_DCS_CMD(0xC5, 0x02),
+ _INIT_DCS_CMD(0xB0, 0x01),
+ _INIT_DCS_CMD(0xE0, 0x26),
+ _INIT_DCS_CMD(0xE1, 0x26),
+ _INIT_DCS_CMD(0xDC, 0x00),
+ _INIT_DCS_CMD(0xDD, 0x00),
+ _INIT_DCS_CMD(0xCC, 0x26),
+ _INIT_DCS_CMD(0xCD, 0x26),
+ _INIT_DCS_CMD(0xC8, 0x00),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xD2, 0x03),
+ _INIT_DCS_CMD(0xD3, 0x03),
+ _INIT_DCS_CMD(0xE6, 0x04),
+ _INIT_DCS_CMD(0xE7, 0x04),
+ _INIT_DCS_CMD(0xC4, 0x09),
+ _INIT_DCS_CMD(0xC5, 0x09),
+ _INIT_DCS_CMD(0xD8, 0x0A),
+ _INIT_DCS_CMD(0xD9, 0x0A),
+ _INIT_DCS_CMD(0xC2, 0x0B),
+ _INIT_DCS_CMD(0xC3, 0x0B),
+ _INIT_DCS_CMD(0xD6, 0x0C),
+ _INIT_DCS_CMD(0xD7, 0x0C),
+ _INIT_DCS_CMD(0xC0, 0x05),
+ _INIT_DCS_CMD(0xC1, 0x05),
+ _INIT_DCS_CMD(0xD4, 0x06),
+ _INIT_DCS_CMD(0xD5, 0x06),
+ _INIT_DCS_CMD(0xCA, 0x07),
+ _INIT_DCS_CMD(0xCB, 0x07),
+ _INIT_DCS_CMD(0xDE, 0x08),
+ _INIT_DCS_CMD(0xDF, 0x08),
+ _INIT_DCS_CMD(0xB0, 0x02),
+ _INIT_DCS_CMD(0xC0, 0x00),
+ _INIT_DCS_CMD(0xC1, 0x0D),
+ _INIT_DCS_CMD(0xC2, 0x17),
+ _INIT_DCS_CMD(0xC3, 0x26),
+ _INIT_DCS_CMD(0xC4, 0x31),
+ _INIT_DCS_CMD(0xC5, 0x1C),
+ _INIT_DCS_CMD(0xC6, 0x2C),
+ _INIT_DCS_CMD(0xC7, 0x33),
+ _INIT_DCS_CMD(0xC8, 0x31),
+ _INIT_DCS_CMD(0xC9, 0x37),
+ _INIT_DCS_CMD(0xCA, 0x37),
+ _INIT_DCS_CMD(0xCB, 0x37),
+ _INIT_DCS_CMD(0xCC, 0x39),
+ _INIT_DCS_CMD(0xCD, 0x2E),
+ _INIT_DCS_CMD(0xCE, 0x2F),
+ _INIT_DCS_CMD(0xCF, 0x2F),
+ _INIT_DCS_CMD(0xD0, 0x07),
+ _INIT_DCS_CMD(0xD2, 0x00),
+ _INIT_DCS_CMD(0xD3, 0x0D),
+ _INIT_DCS_CMD(0xD4, 0x17),
+ _INIT_DCS_CMD(0xD5, 0x26),
+ _INIT_DCS_CMD(0xD6, 0x31),
+ _INIT_DCS_CMD(0xD7, 0x3F),
+ _INIT_DCS_CMD(0xD8, 0x3F),
+ _INIT_DCS_CMD(0xD9, 0x3F),
+ _INIT_DCS_CMD(0xDA, 0x3F),
+ _INIT_DCS_CMD(0xDB, 0x37),
+ _INIT_DCS_CMD(0xDC, 0x37),
+ _INIT_DCS_CMD(0xDD, 0x37),
+ _INIT_DCS_CMD(0xDE, 0x39),
+ _INIT_DCS_CMD(0xDF, 0x2E),
+ _INIT_DCS_CMD(0xE0, 0x2F),
+ _INIT_DCS_CMD(0xE1, 0x2F),
+ _INIT_DCS_CMD(0xE2, 0x07),
+ _INIT_DCS_CMD(0xB0, 0x03),
+ _INIT_DCS_CMD(0xC8, 0x0B),
+ _INIT_DCS_CMD(0xC9, 0x07),
+ _INIT_DCS_CMD(0xC3, 0x00),
+ _INIT_DCS_CMD(0xE7, 0x00),
+ _INIT_DCS_CMD(0xC5, 0x2A),
+ _INIT_DCS_CMD(0xDE, 0x2A),
+ _INIT_DCS_CMD(0xCA, 0x43),
+ _INIT_DCS_CMD(0xC9, 0x07),
+ _INIT_DCS_CMD(0xE4, 0xC0),
+ _INIT_DCS_CMD(0xE5, 0x0D),
+ _INIT_DCS_CMD(0xCB, 0x00),
+ _INIT_DCS_CMD(0xB0, 0x06),
+ _INIT_DCS_CMD(0xB8, 0xA5),
+ _INIT_DCS_CMD(0xC0, 0xA5),
+ _INIT_DCS_CMD(0xC7, 0x0F),
+ _INIT_DCS_CMD(0xD5, 0x32),
+ _INIT_DCS_CMD(0xB8, 0x00),
+ _INIT_DCS_CMD(0xC0, 0x00),
+ _INIT_DCS_CMD(0xBC, 0x00),
+ _INIT_DCS_CMD(0xB0, 0x07),
+ _INIT_DCS_CMD(0xB1, 0x00),
+ _INIT_DCS_CMD(0xB2, 0x02),
+ _INIT_DCS_CMD(0xB3, 0x0F),
+ _INIT_DCS_CMD(0xB4, 0x25),
+ _INIT_DCS_CMD(0xB5, 0x39),
+ _INIT_DCS_CMD(0xB6, 0x4E),
+ _INIT_DCS_CMD(0xB7, 0x72),
+ _INIT_DCS_CMD(0xB8, 0x97),
+ _INIT_DCS_CMD(0xB9, 0xDC),
+ _INIT_DCS_CMD(0xBA, 0x22),
+ _INIT_DCS_CMD(0xBB, 0xA4),
+ _INIT_DCS_CMD(0xBC, 0x2B),
+ _INIT_DCS_CMD(0xBD, 0x2F),
+ _INIT_DCS_CMD(0xBE, 0xA9),
+ _INIT_DCS_CMD(0xBF, 0x25),
+ _INIT_DCS_CMD(0xC0, 0x61),
+ _INIT_DCS_CMD(0xC1, 0x97),
+ _INIT_DCS_CMD(0xC2, 0xB2),
+ _INIT_DCS_CMD(0xC3, 0xCD),
+ _INIT_DCS_CMD(0xC4, 0xD9),
+ _INIT_DCS_CMD(0xC5, 0xE7),
+ _INIT_DCS_CMD(0xC6, 0xF4),
+ _INIT_DCS_CMD(0xC7, 0xFA),
+ _INIT_DCS_CMD(0xC8, 0xFC),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xCA, 0x00),
+ _INIT_DCS_CMD(0xCB, 0x16),
+ _INIT_DCS_CMD(0xCC, 0xAF),
+ _INIT_DCS_CMD(0xCD, 0xFF),
+ _INIT_DCS_CMD(0xCE, 0xFF),
+ _INIT_DCS_CMD(0xB0, 0x08),
+ _INIT_DCS_CMD(0xB1, 0x04),
+ _INIT_DCS_CMD(0xB2, 0x05),
+ _INIT_DCS_CMD(0xB3, 0x11),
+ _INIT_DCS_CMD(0xB4, 0x24),
+ _INIT_DCS_CMD(0xB5, 0x39),
+ _INIT_DCS_CMD(0xB6, 0x4F),
+ _INIT_DCS_CMD(0xB7, 0x72),
+ _INIT_DCS_CMD(0xB8, 0x98),
+ _INIT_DCS_CMD(0xB9, 0xDC),
+ _INIT_DCS_CMD(0xBA, 0x23),
+ _INIT_DCS_CMD(0xBB, 0xA6),
+ _INIT_DCS_CMD(0xBC, 0x2C),
+ _INIT_DCS_CMD(0xBD, 0x30),
+ _INIT_DCS_CMD(0xBE, 0xAA),
+ _INIT_DCS_CMD(0xBF, 0x26),
+ _INIT_DCS_CMD(0xC0, 0x62),
+ _INIT_DCS_CMD(0xC1, 0x9B),
+ _INIT_DCS_CMD(0xC2, 0xB5),
+ _INIT_DCS_CMD(0xC3, 0xCF),
+ _INIT_DCS_CMD(0xC4, 0xDB),
+ _INIT_DCS_CMD(0xC5, 0xE8),
+ _INIT_DCS_CMD(0xC6, 0xF5),
+ _INIT_DCS_CMD(0xC7, 0xFA),
+ _INIT_DCS_CMD(0xC8, 0xFC),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xCA, 0x00),
+ _INIT_DCS_CMD(0xCB, 0x16),
+ _INIT_DCS_CMD(0xCC, 0xAF),
+ _INIT_DCS_CMD(0xCD, 0xFF),
+ _INIT_DCS_CMD(0xCE, 0xFF),
+ _INIT_DCS_CMD(0xB0, 0x09),
+ _INIT_DCS_CMD(0xB1, 0x04),
+ _INIT_DCS_CMD(0xB2, 0x02),
+ _INIT_DCS_CMD(0xB3, 0x16),
+ _INIT_DCS_CMD(0xB4, 0x24),
+ _INIT_DCS_CMD(0xB5, 0x3B),
+ _INIT_DCS_CMD(0xB6, 0x4F),
+ _INIT_DCS_CMD(0xB7, 0x73),
+ _INIT_DCS_CMD(0xB8, 0x99),
+ _INIT_DCS_CMD(0xB9, 0xE0),
+ _INIT_DCS_CMD(0xBA, 0x26),
+ _INIT_DCS_CMD(0xBB, 0xAD),
+ _INIT_DCS_CMD(0xBC, 0x36),
+ _INIT_DCS_CMD(0xBD, 0x3A),
+ _INIT_DCS_CMD(0xBE, 0xAE),
+ _INIT_DCS_CMD(0xBF, 0x2A),
+ _INIT_DCS_CMD(0xC0, 0x66),
+ _INIT_DCS_CMD(0xC1, 0x9E),
+ _INIT_DCS_CMD(0xC2, 0xB8),
+ _INIT_DCS_CMD(0xC3, 0xD1),
+ _INIT_DCS_CMD(0xC4, 0xDD),
+ _INIT_DCS_CMD(0xC5, 0xE9),
+ _INIT_DCS_CMD(0xC6, 0xF6),
+ _INIT_DCS_CMD(0xC7, 0xFA),
+ _INIT_DCS_CMD(0xC8, 0xFC),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xCA, 0x00),
+ _INIT_DCS_CMD(0xCB, 0x16),
+ _INIT_DCS_CMD(0xCC, 0xAF),
+ _INIT_DCS_CMD(0xCD, 0xFF),
+ _INIT_DCS_CMD(0xCE, 0xFF),
+ _INIT_DCS_CMD(0xB0, 0x0A),
+ _INIT_DCS_CMD(0xB1, 0x00),
+ _INIT_DCS_CMD(0xB2, 0x02),
+ _INIT_DCS_CMD(0xB3, 0x0F),
+ _INIT_DCS_CMD(0xB4, 0x25),
+ _INIT_DCS_CMD(0xB5, 0x39),
+ _INIT_DCS_CMD(0xB6, 0x4E),
+ _INIT_DCS_CMD(0xB7, 0x72),
+ _INIT_DCS_CMD(0xB8, 0x97),
+ _INIT_DCS_CMD(0xB9, 0xDC),
+ _INIT_DCS_CMD(0xBA, 0x22),
+ _INIT_DCS_CMD(0xBB, 0xA4),
+ _INIT_DCS_CMD(0xBC, 0x2B),
+ _INIT_DCS_CMD(0xBD, 0x2F),
+ _INIT_DCS_CMD(0xBE, 0xA9),
+ _INIT_DCS_CMD(0xBF, 0x25),
+ _INIT_DCS_CMD(0xC0, 0x61),
+ _INIT_DCS_CMD(0xC1, 0x97),
+ _INIT_DCS_CMD(0xC2, 0xB2),
+ _INIT_DCS_CMD(0xC3, 0xCD),
+ _INIT_DCS_CMD(0xC4, 0xD9),
+ _INIT_DCS_CMD(0xC5, 0xE7),
+ _INIT_DCS_CMD(0xC6, 0xF4),
+ _INIT_DCS_CMD(0xC7, 0xFA),
+ _INIT_DCS_CMD(0xC8, 0xFC),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xCA, 0x00),
+ _INIT_DCS_CMD(0xCB, 0x16),
+ _INIT_DCS_CMD(0xCC, 0xAF),
+ _INIT_DCS_CMD(0xCD, 0xFF),
+ _INIT_DCS_CMD(0xCE, 0xFF),
+ _INIT_DCS_CMD(0xB0, 0x0B),
+ _INIT_DCS_CMD(0xB1, 0x04),
+ _INIT_DCS_CMD(0xB2, 0x05),
+ _INIT_DCS_CMD(0xB3, 0x11),
+ _INIT_DCS_CMD(0xB4, 0x24),
+ _INIT_DCS_CMD(0xB5, 0x39),
+ _INIT_DCS_CMD(0xB6, 0x4F),
+ _INIT_DCS_CMD(0xB7, 0x72),
+ _INIT_DCS_CMD(0xB8, 0x98),
+ _INIT_DCS_CMD(0xB9, 0xDC),
+ _INIT_DCS_CMD(0xBA, 0x23),
+ _INIT_DCS_CMD(0xBB, 0xA6),
+ _INIT_DCS_CMD(0xBC, 0x2C),
+ _INIT_DCS_CMD(0xBD, 0x30),
+ _INIT_DCS_CMD(0xBE, 0xAA),
+ _INIT_DCS_CMD(0xBF, 0x26),
+ _INIT_DCS_CMD(0xC0, 0x62),
+ _INIT_DCS_CMD(0xC1, 0x9B),
+ _INIT_DCS_CMD(0xC2, 0xB5),
+ _INIT_DCS_CMD(0xC3, 0xCF),
+ _INIT_DCS_CMD(0xC4, 0xDB),
+ _INIT_DCS_CMD(0xC5, 0xE8),
+ _INIT_DCS_CMD(0xC6, 0xF5),
+ _INIT_DCS_CMD(0xC7, 0xFA),
+ _INIT_DCS_CMD(0xC8, 0xFC),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xCA, 0x00),
+ _INIT_DCS_CMD(0xCB, 0x16),
+ _INIT_DCS_CMD(0xCC, 0xAF),
+ _INIT_DCS_CMD(0xCD, 0xFF),
+ _INIT_DCS_CMD(0xCE, 0xFF),
+ _INIT_DCS_CMD(0xB0, 0x0C),
+ _INIT_DCS_CMD(0xB1, 0x04),
+ _INIT_DCS_CMD(0xB2, 0x02),
+ _INIT_DCS_CMD(0xB3, 0x16),
+ _INIT_DCS_CMD(0xB4, 0x24),
+ _INIT_DCS_CMD(0xB5, 0x3B),
+ _INIT_DCS_CMD(0xB6, 0x4F),
+ _INIT_DCS_CMD(0xB7, 0x73),
+ _INIT_DCS_CMD(0xB8, 0x99),
+ _INIT_DCS_CMD(0xB9, 0xE0),
+ _INIT_DCS_CMD(0xBA, 0x26),
+ _INIT_DCS_CMD(0xBB, 0xAD),
+ _INIT_DCS_CMD(0xBC, 0x36),
+ _INIT_DCS_CMD(0xBD, 0x3A),
+ _INIT_DCS_CMD(0xBE, 0xAE),
+ _INIT_DCS_CMD(0xBF, 0x2A),
+ _INIT_DCS_CMD(0xC0, 0x66),
+ _INIT_DCS_CMD(0xC1, 0x9E),
+ _INIT_DCS_CMD(0xC2, 0xB8),
+ _INIT_DCS_CMD(0xC3, 0xD1),
+ _INIT_DCS_CMD(0xC4, 0xDD),
+ _INIT_DCS_CMD(0xC5, 0xE9),
+ _INIT_DCS_CMD(0xC6, 0xF6),
+ _INIT_DCS_CMD(0xC7, 0xFA),
+ _INIT_DCS_CMD(0xC8, 0xFC),
+ _INIT_DCS_CMD(0xC9, 0x00),
+ _INIT_DCS_CMD(0xCA, 0x00),
+ _INIT_DCS_CMD(0xCB, 0x16),
+ _INIT_DCS_CMD(0xCC, 0xAF),
+ _INIT_DCS_CMD(0xCD, 0xFF),
+ _INIT_DCS_CMD(0xCE, 0xFF),
+ _INIT_DCS_CMD(0xB0, 0x00),
+ _INIT_DCS_CMD(0xB3, 0x08),
+ _INIT_DCS_CMD(0xB0, 0x04),
+ _INIT_DCS_CMD(0xB8, 0x68),
+ _INIT_DELAY_CMD(150),
+ {},
+};
+
+static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
+{
+ return container_of(panel, struct boe_panel, base);
+}
+
+static int boe_panel_init(struct boe_panel *boe)
+{
+ struct mipi_dsi_device *dsi = boe->dsi;
+ struct drm_panel *panel = &boe->base;
+ int err, i;
+
+ if (boe->desc->init_cmds) {
+ const struct panel_init_cmd *init_cmds = boe->desc->init_cmds;
+
+ for (i = 0; init_cmds[i].len != 0; i++) {
+ const struct panel_init_cmd *cmd = &init_cmds[i];
+
+ switch (cmd->type) {
+ case DELAY_CMD:
+ msleep(cmd->data[0]);
+ err = 0;
+ break;
+
+ case INIT_DCS_CMD:
+ err = mipi_dsi_dcs_write(dsi, cmd->data[0],
+ cmd->len <= 1 ? NULL :
+ &cmd->data[1],
+ cmd->len - 1);
+ break;
+ }
+
+ if (err < 0) {
+ dev_err(panel->dev,
+ "failed to write command %u\n", i);
+ return err;
+ }
+ }
+ }
+ return 0;
+}
+
+static int boe_panel_off(struct boe_panel *boe)
+{
+ struct mipi_dsi_device *dsi = boe->dsi;
+ int ret;
+
+ dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int boe_panel_disable(struct drm_panel *panel)
+{
+ struct boe_panel *boe = to_boe_panel(panel);
+
+ if (!boe->enabled)
+ return 0;
+
+ backlight_disable(boe->backlight);
+
+ boe->enabled = false;
+
+ return 0;
+}
+
+static int boe_panel_unprepare(struct drm_panel *panel)
+{
+ struct boe_panel *boe = to_boe_panel(panel);
+ int ret;
+
+ if (!boe->prepared)
+ return 0;
+
+ ret = boe_panel_off(boe);
+ if (ret < 0) {
+ dev_err(panel->dev, "failed to set panel off: %d\n", ret);
+ return ret;
+ }
+
+ msleep(150);
+ if (boe->enable_gpio)
+ gpiod_set_value(boe->enable_gpio, 0);
+ usleep_range(500, 1000);
+ regulator_disable(boe->avee);
+ regulator_disable(boe->avdd);
+ usleep_range(5000, 7000);
+ regulator_disable(boe->pp1800);
+
+ boe->prepared = false;
+
+ return 0;
+}
+
+static int boe_panel_prepare(struct drm_panel *panel)
+{
+ struct boe_panel *boe = to_boe_panel(panel);
+ int ret;
+
+ if (boe->prepared)
+ return 0;
+
+ if (boe->enable_gpio) {
+ gpiod_set_value(boe->enable_gpio, 0);
+ usleep_range(1000, 1500);
+ }
+
+ ret = regulator_enable(boe->pp1800);
+ if (ret < 0)
+ return ret;
+
+ usleep_range(3000, 5000);
+
+ ret = regulator_enable(boe->avdd);
+ if (ret < 0)
+ goto poweroff1v8;
+ ret = regulator_enable(boe->avee);
+ if (ret < 0)
+ goto poweroffavdd;
+
+ msleep(100);
+
+ if (boe->enable_gpio) {
+ gpiod_set_value(boe->enable_gpio, 1);
+ usleep_range(10000, 12000);
+ }
+
+ ret = boe_panel_init(boe);
+ if (ret < 0) {
+ dev_err(panel->dev, "failed to init panel: %d\n", ret);
+ goto poweroff;
+ }
+
+ boe->prepared = true;
+
+ return 0;
+
+poweroff:
+ regulator_disable(boe->avee);
+poweroffavdd:
+ regulator_disable(boe->avdd);
+poweroff1v8:
+ usleep_range(5000, 7000);
+ regulator_disable(boe->pp1800);
+ if (boe->enable_gpio)
+ gpiod_set_value(boe->enable_gpio, 0);
+ return ret;
+}
+
+static int boe_panel_enable(struct drm_panel *panel)
+{
+ struct boe_panel *boe = to_boe_panel(panel);
+ int ret;
+
+ if (boe->enabled)
+ return 0;
+
+ ret = backlight_enable(boe->backlight);
+ if (ret) {
+ dev_err(panel->dev, "Failed to enable backlight %d\n",
+ ret);
+ return ret;
+ }
+
+ boe->enabled = true;
+
+ return 0;
+}
+
+static const struct drm_display_mode boe_default_mode = {
+ .clock = 159425,
+ .hdisplay = 1200,
+ .hsync_start = 1200 + 100,
+ .hsync_end = 1200 + 100 + 40,
+ .htotal = 1200 + 100 + 40 + 24,
+ .vdisplay = 1920,
+ .vsync_start = 1920 + 10,
+ .vsync_end = 1920 + 10 + 14,
+ .vtotal = 1920 + 10 + 14 + 4,
+ .vrefresh = 60,
+ .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
+};
+
+static const struct panel_desc boe_tv101wum_nl6_desc = {
+ .modes = &boe_default_mode,
+ .bpc = 8,
+ .size = {
+ .width = 216,
+ .height = 135,
+ },
+ .lanes = 4,
+ .format = MIPI_DSI_FMT_RGB888,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+ MIPI_DSI_MODE_LPM,
+ .init_cmds = boe_init_cmd,
+};
+
+static int boe_panel_get_modes(struct drm_panel *panel)
+{
+ struct boe_panel *boe = to_boe_panel(panel);
+ const struct drm_display_mode *m = boe->desc->modes;
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(panel->drm, m);
+ if (!mode) {
+ dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
+ m->hdisplay, m->vdisplay, m->vrefresh);
+ return -ENOMEM;
+ }
+
+ drm_mode_set_name(mode);
+
+ drm_mode_probed_add(panel->connector, mode);
+
+ panel->connector->display_info.width_mm = boe->desc->size.width;
+ panel->connector->display_info.height_mm = boe->desc->size.height;
+ panel->connector->display_info.bpc = boe->desc->bpc;
+
+ return 1;
+}
+
+static const struct drm_panel_funcs boe_panel_funcs = {
+ .disable = boe_panel_disable,
+ .unprepare = boe_panel_unprepare,
+ .prepare = boe_panel_prepare,
+ .enable = boe_panel_enable,
+ .get_modes = boe_panel_get_modes,
+};
+
+static int boe_panel_add(struct boe_panel *boe)
+{
+ struct device *dev = &boe->dsi->dev;
+
+ boe->avdd = devm_regulator_get(dev, "avdd");
+ if (IS_ERR(boe->avdd))
+ return PTR_ERR(boe->avdd);
+
+ boe->avee = devm_regulator_get(dev, "avee");
+ if (IS_ERR(boe->avee))
+ return PTR_ERR(boe->avee);
+
+ boe->pp1800 = devm_regulator_get(dev, "pp1800");
+ if (IS_ERR(boe->pp1800))
+ return PTR_ERR(boe->pp1800);
+
+ boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
+ if (IS_ERR(boe->enable_gpio)) {
+ dev_err(dev, "cannot get reset-gpios %ld\n",
+ PTR_ERR(boe->enable_gpio));
+ return PTR_ERR(boe->enable_gpio);
+ }
+
+ gpiod_set_value(boe->enable_gpio, 0);
+
+ boe->backlight = devm_of_find_backlight(dev);
+ if (IS_ERR(boe->backlight))
+ return PTR_ERR(boe->backlight);
+
+ drm_panel_init(&boe->base);
+ boe->base.funcs = &boe_panel_funcs;
+ boe->base.dev = &boe->dsi->dev;
+
+ return drm_panel_add(&boe->base);
+}
+
+static int boe_panel_probe(struct mipi_dsi_device *dsi)
+{
+ struct boe_panel *boe;
+ int ret;
+ const struct panel_desc *desc;
+
+ boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
+ if (!boe)
+ return -ENOMEM;
+
+ desc = of_device_get_match_data(&dsi->dev);
+ dsi->lanes = desc->lanes;
+ dsi->format = desc->format;
+ dsi->mode_flags = desc->mode_flags;
+ boe->desc = desc;
+ boe->dsi = dsi;
+ ret = boe_panel_add(boe);
+ if (ret < 0)
+ return ret;
+
+ mipi_dsi_set_drvdata(dsi, boe);
+
+ return mipi_dsi_attach(dsi);
+}
+
+static int boe_panel_remove(struct mipi_dsi_device *dsi)
+{
+ struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ret = boe_panel_disable(&boe->base);
+ if (ret < 0)
+ dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
+
+ ret = mipi_dsi_detach(dsi);
+ if (ret < 0)
+ dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
+
+ if (boe->base.dev)
+ drm_panel_remove(&boe->base);
+
+ return 0;
+}
+
+static void boe_panel_shutdown(struct mipi_dsi_device *dsi)
+{
+ struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
+
+ boe_panel_disable(&boe->base);
+}
+
+static const struct of_device_id boe_of_match[] = {
+ { .compatible = "boe,tv101wum-nl6",
+ .data = &boe_tv101wum_nl6_desc
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, boe_of_match);
+
+static struct mipi_dsi_driver boe_panel_driver = {
+ .driver = {
+ .name = "panel-boe-tv101wum-nl6",
+ .of_match_table = boe_of_match,
+ },
+ .probe = boe_panel_probe,
+ .remove = boe_panel_remove,
+ .shutdown = boe_panel_shutdown,
+};
+module_mipi_dsi_driver(boe_panel_driver);
+
+MODULE_AUTHOR("Jitao Shi <[email protected]>");
+MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver");
+MODULE_LICENSE("GPL v2");
--
2.21.0
On Mon, Jun 24, 2019 at 2:04 PM Jitao Shi <[email protected]> wrote:
>
> Add driver for BOE tv101wum-nl6 panel is a 10.1" 1200x1920 panel.
>
> Signed-off-by: Jitao Shi <[email protected]>
> ---
> drivers/gpu/drm/panel/Kconfig | 10 +
> drivers/gpu/drm/panel/Makefile | 1 +
> .../gpu/drm/panel/panel-boe-tv101wum-nl6.c | 715 ++++++++++++++++++
> 3 files changed, 726 insertions(+)
> create mode 100644 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
>
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index e36dbb4df867..2b055ce0700b 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -17,6 +17,15 @@ config DRM_PANEL_ARM_VERSATILE
> reference designs. The panel is detected using special registers
> in the Versatile family syscon registers.
>
> +config DRM_PANEL_BOE_TV101WUM_NL6
> + tristate "BOE TV101WUM 1200x1920 panel"
> + depends on OF
> + depends on DRM_MIPI_DSI
> + depends on BACKLIGHT_CLASS_DEVICE
> + help
> + Say Y here if you want to support for BOE TV101WUM WUXGA PANEL
> + DSI Video Mode panel
> +
> config DRM_PANEL_LVDS
> tristate "Generic LVDS panel driver"
> depends on OF
> @@ -272,4 +281,5 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> help
> Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> Video Mode panel
> +
Drop this change.
> endmenu
> diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> index 78e3dc376bdd..8d009223c44e 100644
> --- a/drivers/gpu/drm/panel/Makefile
> +++ b/drivers/gpu/drm/panel/Makefile
> @@ -1,5 +1,6 @@
> # SPDX-License-Identifier: GPL-2.0
> obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
> +obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
> obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
> obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
> obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o
> diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> new file mode 100644
> index 000000000000..6e06c8506623
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> @@ -0,0 +1,715 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2018 MediaTek Inc.
> + * Author: Jitao Shi <[email protected]>
> + */
> +
> +#include <linux/backlight.h>
> +#include <linux/delay.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/regulator/consumer.h>
> +
> +#include <drm/drm_crtc.h>
> +#include <drm/drm_mipi_dsi.h>
> +#include <drm/drm_panel.h>
> +
> +#include <video/mipi_display.h>
> +
> +struct panel_desc {
> + const struct drm_display_mode *modes;
> + unsigned int bpc;
> +
> + /**
> + * @width: width (in millimeters) of the panel's active display area
> + * @height: height (in millimeters) of the panel's active display area
> + */
> + struct {
> + unsigned int width;
> + unsigned int height;
> + } size;
> +
> + unsigned long mode_flags;
> + enum mipi_dsi_pixel_format format;
> + const struct panel_init_cmd *init_cmds;
> + unsigned int lanes;
> +};
> +
> +struct boe_panel {
> + struct drm_panel base;
> + struct mipi_dsi_device *dsi;
> +
> + const struct panel_desc *desc;
> +
> + struct backlight_device *backlight;
> + struct regulator *pp1800;
> + struct regulator *avee;
> + struct regulator *avdd;
> + struct gpio_desc *enable_gpio;
> +
> + bool prepared;
> + bool enabled;
> +
> + const struct drm_display_mode *mode;
> +};
> +
> +enum dsi_cmd_type {
> + INIT_DCS_CMD,
> + DELAY_CMD,
> +};
> +
> +struct panel_init_cmd {
> + enum dsi_cmd_type type;
> + size_t len;
> + const char *data;
> +};
> +
> +#define _INIT_DCS_CMD(...) { \
> + .type = INIT_DCS_CMD, \
> + .len = sizeof((char[]){__VA_ARGS__}), \
> + .data = (char[]){__VA_ARGS__} }
> +
> +#define _INIT_DELAY_CMD(...) { \
> + .type = DELAY_CMD,\
> + .len = sizeof((char[]){__VA_ARGS__}), \
> + .data = (char[]){__VA_ARGS__} }
> +
> +static const struct panel_init_cmd boe_init_cmd[] = {
> + _INIT_DELAY_CMD(24),
> + _INIT_DCS_CMD(0xB0, 0x05),
> + _INIT_DCS_CMD(0xB1, 0xE5),
> + _INIT_DCS_CMD(0xB3, 0x52),
> + _INIT_DCS_CMD(0xB0, 0x00),
> + _INIT_DCS_CMD(0xB3, 0x88),
> + _INIT_DCS_CMD(0xB0, 0x04),
> + _INIT_DCS_CMD(0xB8, 0x00),
> + _INIT_DCS_CMD(0xB0, 0x00),
> + _INIT_DCS_CMD(0xB6, 0x03),
> + _INIT_DCS_CMD(0xBA, 0x8B),
> + _INIT_DCS_CMD(0xBF, 0x1A),
> + _INIT_DCS_CMD(0xC0, 0x0F),
> + _INIT_DCS_CMD(0xC2, 0x0C),
> + _INIT_DCS_CMD(0xC3, 0x02),
> + _INIT_DCS_CMD(0xC4, 0x0C),
> + _INIT_DCS_CMD(0xC5, 0x02),
> + _INIT_DCS_CMD(0xB0, 0x01),
> + _INIT_DCS_CMD(0xE0, 0x26),
> + _INIT_DCS_CMD(0xE1, 0x26),
> + _INIT_DCS_CMD(0xDC, 0x00),
> + _INIT_DCS_CMD(0xDD, 0x00),
> + _INIT_DCS_CMD(0xCC, 0x26),
> + _INIT_DCS_CMD(0xCD, 0x26),
> + _INIT_DCS_CMD(0xC8, 0x00),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xD2, 0x03),
> + _INIT_DCS_CMD(0xD3, 0x03),
> + _INIT_DCS_CMD(0xE6, 0x04),
> + _INIT_DCS_CMD(0xE7, 0x04),
> + _INIT_DCS_CMD(0xC4, 0x09),
> + _INIT_DCS_CMD(0xC5, 0x09),
> + _INIT_DCS_CMD(0xD8, 0x0A),
> + _INIT_DCS_CMD(0xD9, 0x0A),
> + _INIT_DCS_CMD(0xC2, 0x0B),
> + _INIT_DCS_CMD(0xC3, 0x0B),
> + _INIT_DCS_CMD(0xD6, 0x0C),
> + _INIT_DCS_CMD(0xD7, 0x0C),
> + _INIT_DCS_CMD(0xC0, 0x05),
> + _INIT_DCS_CMD(0xC1, 0x05),
> + _INIT_DCS_CMD(0xD4, 0x06),
> + _INIT_DCS_CMD(0xD5, 0x06),
> + _INIT_DCS_CMD(0xCA, 0x07),
> + _INIT_DCS_CMD(0xCB, 0x07),
> + _INIT_DCS_CMD(0xDE, 0x08),
> + _INIT_DCS_CMD(0xDF, 0x08),
> + _INIT_DCS_CMD(0xB0, 0x02),
> + _INIT_DCS_CMD(0xC0, 0x00),
> + _INIT_DCS_CMD(0xC1, 0x0D),
> + _INIT_DCS_CMD(0xC2, 0x17),
> + _INIT_DCS_CMD(0xC3, 0x26),
> + _INIT_DCS_CMD(0xC4, 0x31),
> + _INIT_DCS_CMD(0xC5, 0x1C),
> + _INIT_DCS_CMD(0xC6, 0x2C),
> + _INIT_DCS_CMD(0xC7, 0x33),
> + _INIT_DCS_CMD(0xC8, 0x31),
> + _INIT_DCS_CMD(0xC9, 0x37),
> + _INIT_DCS_CMD(0xCA, 0x37),
> + _INIT_DCS_CMD(0xCB, 0x37),
> + _INIT_DCS_CMD(0xCC, 0x39),
> + _INIT_DCS_CMD(0xCD, 0x2E),
> + _INIT_DCS_CMD(0xCE, 0x2F),
> + _INIT_DCS_CMD(0xCF, 0x2F),
> + _INIT_DCS_CMD(0xD0, 0x07),
> + _INIT_DCS_CMD(0xD2, 0x00),
> + _INIT_DCS_CMD(0xD3, 0x0D),
> + _INIT_DCS_CMD(0xD4, 0x17),
> + _INIT_DCS_CMD(0xD5, 0x26),
> + _INIT_DCS_CMD(0xD6, 0x31),
> + _INIT_DCS_CMD(0xD7, 0x3F),
> + _INIT_DCS_CMD(0xD8, 0x3F),
> + _INIT_DCS_CMD(0xD9, 0x3F),
> + _INIT_DCS_CMD(0xDA, 0x3F),
> + _INIT_DCS_CMD(0xDB, 0x37),
> + _INIT_DCS_CMD(0xDC, 0x37),
> + _INIT_DCS_CMD(0xDD, 0x37),
> + _INIT_DCS_CMD(0xDE, 0x39),
> + _INIT_DCS_CMD(0xDF, 0x2E),
> + _INIT_DCS_CMD(0xE0, 0x2F),
> + _INIT_DCS_CMD(0xE1, 0x2F),
> + _INIT_DCS_CMD(0xE2, 0x07),
> + _INIT_DCS_CMD(0xB0, 0x03),
> + _INIT_DCS_CMD(0xC8, 0x0B),
> + _INIT_DCS_CMD(0xC9, 0x07),
> + _INIT_DCS_CMD(0xC3, 0x00),
> + _INIT_DCS_CMD(0xE7, 0x00),
> + _INIT_DCS_CMD(0xC5, 0x2A),
> + _INIT_DCS_CMD(0xDE, 0x2A),
> + _INIT_DCS_CMD(0xCA, 0x43),
> + _INIT_DCS_CMD(0xC9, 0x07),
> + _INIT_DCS_CMD(0xE4, 0xC0),
> + _INIT_DCS_CMD(0xE5, 0x0D),
> + _INIT_DCS_CMD(0xCB, 0x00),
> + _INIT_DCS_CMD(0xB0, 0x06),
> + _INIT_DCS_CMD(0xB8, 0xA5),
> + _INIT_DCS_CMD(0xC0, 0xA5),
> + _INIT_DCS_CMD(0xC7, 0x0F),
> + _INIT_DCS_CMD(0xD5, 0x32),
> + _INIT_DCS_CMD(0xB8, 0x00),
> + _INIT_DCS_CMD(0xC0, 0x00),
> + _INIT_DCS_CMD(0xBC, 0x00),
> + _INIT_DCS_CMD(0xB0, 0x07),
> + _INIT_DCS_CMD(0xB1, 0x00),
> + _INIT_DCS_CMD(0xB2, 0x02),
> + _INIT_DCS_CMD(0xB3, 0x0F),
> + _INIT_DCS_CMD(0xB4, 0x25),
> + _INIT_DCS_CMD(0xB5, 0x39),
> + _INIT_DCS_CMD(0xB6, 0x4E),
> + _INIT_DCS_CMD(0xB7, 0x72),
> + _INIT_DCS_CMD(0xB8, 0x97),
> + _INIT_DCS_CMD(0xB9, 0xDC),
> + _INIT_DCS_CMD(0xBA, 0x22),
> + _INIT_DCS_CMD(0xBB, 0xA4),
> + _INIT_DCS_CMD(0xBC, 0x2B),
> + _INIT_DCS_CMD(0xBD, 0x2F),
> + _INIT_DCS_CMD(0xBE, 0xA9),
> + _INIT_DCS_CMD(0xBF, 0x25),
> + _INIT_DCS_CMD(0xC0, 0x61),
> + _INIT_DCS_CMD(0xC1, 0x97),
> + _INIT_DCS_CMD(0xC2, 0xB2),
> + _INIT_DCS_CMD(0xC3, 0xCD),
> + _INIT_DCS_CMD(0xC4, 0xD9),
> + _INIT_DCS_CMD(0xC5, 0xE7),
> + _INIT_DCS_CMD(0xC6, 0xF4),
> + _INIT_DCS_CMD(0xC7, 0xFA),
> + _INIT_DCS_CMD(0xC8, 0xFC),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xCA, 0x00),
> + _INIT_DCS_CMD(0xCB, 0x16),
> + _INIT_DCS_CMD(0xCC, 0xAF),
> + _INIT_DCS_CMD(0xCD, 0xFF),
> + _INIT_DCS_CMD(0xCE, 0xFF),
> + _INIT_DCS_CMD(0xB0, 0x08),
> + _INIT_DCS_CMD(0xB1, 0x04),
> + _INIT_DCS_CMD(0xB2, 0x05),
> + _INIT_DCS_CMD(0xB3, 0x11),
> + _INIT_DCS_CMD(0xB4, 0x24),
> + _INIT_DCS_CMD(0xB5, 0x39),
> + _INIT_DCS_CMD(0xB6, 0x4F),
> + _INIT_DCS_CMD(0xB7, 0x72),
> + _INIT_DCS_CMD(0xB8, 0x98),
> + _INIT_DCS_CMD(0xB9, 0xDC),
> + _INIT_DCS_CMD(0xBA, 0x23),
> + _INIT_DCS_CMD(0xBB, 0xA6),
> + _INIT_DCS_CMD(0xBC, 0x2C),
> + _INIT_DCS_CMD(0xBD, 0x30),
> + _INIT_DCS_CMD(0xBE, 0xAA),
> + _INIT_DCS_CMD(0xBF, 0x26),
> + _INIT_DCS_CMD(0xC0, 0x62),
> + _INIT_DCS_CMD(0xC1, 0x9B),
> + _INIT_DCS_CMD(0xC2, 0xB5),
> + _INIT_DCS_CMD(0xC3, 0xCF),
> + _INIT_DCS_CMD(0xC4, 0xDB),
> + _INIT_DCS_CMD(0xC5, 0xE8),
> + _INIT_DCS_CMD(0xC6, 0xF5),
> + _INIT_DCS_CMD(0xC7, 0xFA),
> + _INIT_DCS_CMD(0xC8, 0xFC),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xCA, 0x00),
> + _INIT_DCS_CMD(0xCB, 0x16),
> + _INIT_DCS_CMD(0xCC, 0xAF),
> + _INIT_DCS_CMD(0xCD, 0xFF),
> + _INIT_DCS_CMD(0xCE, 0xFF),
> + _INIT_DCS_CMD(0xB0, 0x09),
> + _INIT_DCS_CMD(0xB1, 0x04),
> + _INIT_DCS_CMD(0xB2, 0x02),
> + _INIT_DCS_CMD(0xB3, 0x16),
> + _INIT_DCS_CMD(0xB4, 0x24),
> + _INIT_DCS_CMD(0xB5, 0x3B),
> + _INIT_DCS_CMD(0xB6, 0x4F),
> + _INIT_DCS_CMD(0xB7, 0x73),
> + _INIT_DCS_CMD(0xB8, 0x99),
> + _INIT_DCS_CMD(0xB9, 0xE0),
> + _INIT_DCS_CMD(0xBA, 0x26),
> + _INIT_DCS_CMD(0xBB, 0xAD),
> + _INIT_DCS_CMD(0xBC, 0x36),
> + _INIT_DCS_CMD(0xBD, 0x3A),
> + _INIT_DCS_CMD(0xBE, 0xAE),
> + _INIT_DCS_CMD(0xBF, 0x2A),
> + _INIT_DCS_CMD(0xC0, 0x66),
> + _INIT_DCS_CMD(0xC1, 0x9E),
> + _INIT_DCS_CMD(0xC2, 0xB8),
> + _INIT_DCS_CMD(0xC3, 0xD1),
> + _INIT_DCS_CMD(0xC4, 0xDD),
> + _INIT_DCS_CMD(0xC5, 0xE9),
> + _INIT_DCS_CMD(0xC6, 0xF6),
> + _INIT_DCS_CMD(0xC7, 0xFA),
> + _INIT_DCS_CMD(0xC8, 0xFC),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xCA, 0x00),
> + _INIT_DCS_CMD(0xCB, 0x16),
> + _INIT_DCS_CMD(0xCC, 0xAF),
> + _INIT_DCS_CMD(0xCD, 0xFF),
> + _INIT_DCS_CMD(0xCE, 0xFF),
> + _INIT_DCS_CMD(0xB0, 0x0A),
> + _INIT_DCS_CMD(0xB1, 0x00),
> + _INIT_DCS_CMD(0xB2, 0x02),
> + _INIT_DCS_CMD(0xB3, 0x0F),
> + _INIT_DCS_CMD(0xB4, 0x25),
> + _INIT_DCS_CMD(0xB5, 0x39),
> + _INIT_DCS_CMD(0xB6, 0x4E),
> + _INIT_DCS_CMD(0xB7, 0x72),
> + _INIT_DCS_CMD(0xB8, 0x97),
> + _INIT_DCS_CMD(0xB9, 0xDC),
> + _INIT_DCS_CMD(0xBA, 0x22),
> + _INIT_DCS_CMD(0xBB, 0xA4),
> + _INIT_DCS_CMD(0xBC, 0x2B),
> + _INIT_DCS_CMD(0xBD, 0x2F),
> + _INIT_DCS_CMD(0xBE, 0xA9),
> + _INIT_DCS_CMD(0xBF, 0x25),
> + _INIT_DCS_CMD(0xC0, 0x61),
> + _INIT_DCS_CMD(0xC1, 0x97),
> + _INIT_DCS_CMD(0xC2, 0xB2),
> + _INIT_DCS_CMD(0xC3, 0xCD),
> + _INIT_DCS_CMD(0xC4, 0xD9),
> + _INIT_DCS_CMD(0xC5, 0xE7),
> + _INIT_DCS_CMD(0xC6, 0xF4),
> + _INIT_DCS_CMD(0xC7, 0xFA),
> + _INIT_DCS_CMD(0xC8, 0xFC),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xCA, 0x00),
> + _INIT_DCS_CMD(0xCB, 0x16),
> + _INIT_DCS_CMD(0xCC, 0xAF),
> + _INIT_DCS_CMD(0xCD, 0xFF),
> + _INIT_DCS_CMD(0xCE, 0xFF),
> + _INIT_DCS_CMD(0xB0, 0x0B),
> + _INIT_DCS_CMD(0xB1, 0x04),
> + _INIT_DCS_CMD(0xB2, 0x05),
> + _INIT_DCS_CMD(0xB3, 0x11),
> + _INIT_DCS_CMD(0xB4, 0x24),
> + _INIT_DCS_CMD(0xB5, 0x39),
> + _INIT_DCS_CMD(0xB6, 0x4F),
> + _INIT_DCS_CMD(0xB7, 0x72),
> + _INIT_DCS_CMD(0xB8, 0x98),
> + _INIT_DCS_CMD(0xB9, 0xDC),
> + _INIT_DCS_CMD(0xBA, 0x23),
> + _INIT_DCS_CMD(0xBB, 0xA6),
> + _INIT_DCS_CMD(0xBC, 0x2C),
> + _INIT_DCS_CMD(0xBD, 0x30),
> + _INIT_DCS_CMD(0xBE, 0xAA),
> + _INIT_DCS_CMD(0xBF, 0x26),
> + _INIT_DCS_CMD(0xC0, 0x62),
> + _INIT_DCS_CMD(0xC1, 0x9B),
> + _INIT_DCS_CMD(0xC2, 0xB5),
> + _INIT_DCS_CMD(0xC3, 0xCF),
> + _INIT_DCS_CMD(0xC4, 0xDB),
> + _INIT_DCS_CMD(0xC5, 0xE8),
> + _INIT_DCS_CMD(0xC6, 0xF5),
> + _INIT_DCS_CMD(0xC7, 0xFA),
> + _INIT_DCS_CMD(0xC8, 0xFC),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xCA, 0x00),
> + _INIT_DCS_CMD(0xCB, 0x16),
> + _INIT_DCS_CMD(0xCC, 0xAF),
> + _INIT_DCS_CMD(0xCD, 0xFF),
> + _INIT_DCS_CMD(0xCE, 0xFF),
> + _INIT_DCS_CMD(0xB0, 0x0C),
> + _INIT_DCS_CMD(0xB1, 0x04),
> + _INIT_DCS_CMD(0xB2, 0x02),
> + _INIT_DCS_CMD(0xB3, 0x16),
> + _INIT_DCS_CMD(0xB4, 0x24),
> + _INIT_DCS_CMD(0xB5, 0x3B),
> + _INIT_DCS_CMD(0xB6, 0x4F),
> + _INIT_DCS_CMD(0xB7, 0x73),
> + _INIT_DCS_CMD(0xB8, 0x99),
> + _INIT_DCS_CMD(0xB9, 0xE0),
> + _INIT_DCS_CMD(0xBA, 0x26),
> + _INIT_DCS_CMD(0xBB, 0xAD),
> + _INIT_DCS_CMD(0xBC, 0x36),
> + _INIT_DCS_CMD(0xBD, 0x3A),
> + _INIT_DCS_CMD(0xBE, 0xAE),
> + _INIT_DCS_CMD(0xBF, 0x2A),
> + _INIT_DCS_CMD(0xC0, 0x66),
> + _INIT_DCS_CMD(0xC1, 0x9E),
> + _INIT_DCS_CMD(0xC2, 0xB8),
> + _INIT_DCS_CMD(0xC3, 0xD1),
> + _INIT_DCS_CMD(0xC4, 0xDD),
> + _INIT_DCS_CMD(0xC5, 0xE9),
> + _INIT_DCS_CMD(0xC6, 0xF6),
> + _INIT_DCS_CMD(0xC7, 0xFA),
> + _INIT_DCS_CMD(0xC8, 0xFC),
> + _INIT_DCS_CMD(0xC9, 0x00),
> + _INIT_DCS_CMD(0xCA, 0x00),
> + _INIT_DCS_CMD(0xCB, 0x16),
> + _INIT_DCS_CMD(0xCC, 0xAF),
> + _INIT_DCS_CMD(0xCD, 0xFF),
> + _INIT_DCS_CMD(0xCE, 0xFF),
> + _INIT_DCS_CMD(0xB0, 0x00),
> + _INIT_DCS_CMD(0xB3, 0x08),
> + _INIT_DCS_CMD(0xB0, 0x04),
> + _INIT_DCS_CMD(0xB8, 0x68),
> + _INIT_DELAY_CMD(150),
> + {},
> +};
> +
> +static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
> +{
> + return container_of(panel, struct boe_panel, base);
> +}
> +
> +static int boe_panel_init(struct boe_panel *boe)
> +{
> + struct mipi_dsi_device *dsi = boe->dsi;
> + struct drm_panel *panel = &boe->base;
> + int err, i;
> +
> + if (boe->desc->init_cmds) {
> + const struct panel_init_cmd *init_cmds = boe->desc->init_cmds;
> +
> + for (i = 0; init_cmds[i].len != 0; i++) {
> + const struct panel_init_cmd *cmd = &init_cmds[i];
> +
> + switch (cmd->type) {
> + case DELAY_CMD:
> + msleep(cmd->data[0]);
> + err = 0;
> + break;
> +
> + case INIT_DCS_CMD:
> + err = mipi_dsi_dcs_write(dsi, cmd->data[0],
> + cmd->len <= 1 ? NULL :
> + &cmd->data[1],
> + cmd->len - 1);
> + break;
> + }
> +
> + if (err < 0) {
> + dev_err(panel->dev,
> + "failed to write command %u\n", i);
> + return err;
> + }
> + }
> + }
> + return 0;
> +}
> +
> +static int boe_panel_off(struct boe_panel *boe)
> +{
> + struct mipi_dsi_device *dsi = boe->dsi;
> + int ret;
> +
> + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> + if (ret < 0)
> + return ret;
> +
> + return 0;
> +}
> +
> +static int boe_panel_disable(struct drm_panel *panel)
> +{
> + struct boe_panel *boe = to_boe_panel(panel);
> +
> + if (!boe->enabled)
> + return 0;
> +
> + backlight_disable(boe->backlight);
> +
> + boe->enabled = false;
> +
> + return 0;
> +}
> +
> +static int boe_panel_unprepare(struct drm_panel *panel)
> +{
> + struct boe_panel *boe = to_boe_panel(panel);
> + int ret;
> +
> + if (!boe->prepared)
> + return 0;
> +
> + ret = boe_panel_off(boe);
> + if (ret < 0) {
> + dev_err(panel->dev, "failed to set panel off: %d\n", ret);
> + return ret;
> + }
> +
> + msleep(150);
> + if (boe->enable_gpio)
> + gpiod_set_value(boe->enable_gpio, 0);
> + usleep_range(500, 1000);
> + regulator_disable(boe->avee);
> + regulator_disable(boe->avdd);
> + usleep_range(5000, 7000);
> + regulator_disable(boe->pp1800);
> +
> + boe->prepared = false;
> +
> + return 0;
> +}
> +
> +static int boe_panel_prepare(struct drm_panel *panel)
> +{
> + struct boe_panel *boe = to_boe_panel(panel);
> + int ret;
> +
> + if (boe->prepared)
> + return 0;
> +
> + if (boe->enable_gpio) {
> + gpiod_set_value(boe->enable_gpio, 0);
> + usleep_range(1000, 1500);
> + }
> +
> + ret = regulator_enable(boe->pp1800);
> + if (ret < 0)
> + return ret;
> +
> + usleep_range(3000, 5000);
> +
> + ret = regulator_enable(boe->avdd);
> + if (ret < 0)
> + goto poweroff1v8;
> + ret = regulator_enable(boe->avee);
> + if (ret < 0)
> + goto poweroffavdd;
> +
> + msleep(100);
> +
> + if (boe->enable_gpio) {
> + gpiod_set_value(boe->enable_gpio, 1);
> + usleep_range(10000, 12000);
> + }
> +
> + ret = boe_panel_init(boe);
> + if (ret < 0) {
> + dev_err(panel->dev, "failed to init panel: %d\n", ret);
> + goto poweroff;
> + }
> +
> + boe->prepared = true;
> +
> + return 0;
> +
> +poweroff:
> + regulator_disable(boe->avee);
> +poweroffavdd:
> + regulator_disable(boe->avdd);
> +poweroff1v8:
> + usleep_range(5000, 7000);
> + regulator_disable(boe->pp1800);
> + if (boe->enable_gpio)
> + gpiod_set_value(boe->enable_gpio, 0);
> + return ret;
> +}
> +
> +static int boe_panel_enable(struct drm_panel *panel)
> +{
> + struct boe_panel *boe = to_boe_panel(panel);
> + int ret;
> +
> + if (boe->enabled)
> + return 0;
> +
> + ret = backlight_enable(boe->backlight);
> + if (ret) {
> + dev_err(panel->dev, "Failed to enable backlight %d\n",
> + ret);
> + return ret;
> + }
> +
> + boe->enabled = true;
> +
> + return 0;
> +}
> +
> +static const struct drm_display_mode boe_default_mode = {
> + .clock = 159425,
> + .hdisplay = 1200,
> + .hsync_start = 1200 + 100,
> + .hsync_end = 1200 + 100 + 40,
> + .htotal = 1200 + 100 + 40 + 24,
> + .vdisplay = 1920,
> + .vsync_start = 1920 + 10,
> + .vsync_end = 1920 + 10 + 14,
> + .vtotal = 1920 + 10 + 14 + 4,
> + .vrefresh = 60,
> + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
> +};
> +
> +static const struct panel_desc boe_tv101wum_nl6_desc = {
> + .modes = &boe_default_mode,
> + .bpc = 8,
> + .size = {
> + .width = 216,
> + .height = 135,
> + },
> + .lanes = 4,
> + .format = MIPI_DSI_FMT_RGB888,
> + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
> + MIPI_DSI_MODE_LPM,
> + .init_cmds = boe_init_cmd,
> +};
> +
> +static int boe_panel_get_modes(struct drm_panel *panel)
> +{
> + struct boe_panel *boe = to_boe_panel(panel);
> + const struct drm_display_mode *m = boe->desc->modes;
> + struct drm_display_mode *mode;
> +
> + mode = drm_mode_duplicate(panel->drm, m);
> + if (!mode) {
> + dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
> + m->hdisplay, m->vdisplay, m->vrefresh);
> + return -ENOMEM;
> + }
> +
> + drm_mode_set_name(mode);
> +
Sam suggested adding this here:
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> + drm_mode_probed_add(panel->connector, mode);
> +
> + panel->connector->display_info.width_mm = boe->desc->size.width;
> + panel->connector->display_info.height_mm = boe->desc->size.height;
> + panel->connector->display_info.bpc = boe->desc->bpc;
> +
> + return 1;
> +}
> +
> +static const struct drm_panel_funcs boe_panel_funcs = {
> + .disable = boe_panel_disable,
> + .unprepare = boe_panel_unprepare,
> + .prepare = boe_panel_prepare,
> + .enable = boe_panel_enable,
> + .get_modes = boe_panel_get_modes,
> +};
> +
> +static int boe_panel_add(struct boe_panel *boe)
> +{
> + struct device *dev = &boe->dsi->dev;
> +
> + boe->avdd = devm_regulator_get(dev, "avdd");
> + if (IS_ERR(boe->avdd))
> + return PTR_ERR(boe->avdd);
> +
> + boe->avee = devm_regulator_get(dev, "avee");
> + if (IS_ERR(boe->avee))
> + return PTR_ERR(boe->avee);
> +
> + boe->pp1800 = devm_regulator_get(dev, "pp1800");
> + if (IS_ERR(boe->pp1800))
> + return PTR_ERR(boe->pp1800);
> +
> + boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
> + if (IS_ERR(boe->enable_gpio)) {
> + dev_err(dev, "cannot get reset-gpios %ld\n",
> + PTR_ERR(boe->enable_gpio));
> + return PTR_ERR(boe->enable_gpio);
> + }
> +
> + gpiod_set_value(boe->enable_gpio, 0);
> +
> + boe->backlight = devm_of_find_backlight(dev);
> + if (IS_ERR(boe->backlight))
> + return PTR_ERR(boe->backlight);
> +
> + drm_panel_init(&boe->base);
> + boe->base.funcs = &boe_panel_funcs;
> + boe->base.dev = &boe->dsi->dev;
> +
> + return drm_panel_add(&boe->base);
> +}
> +
> +static int boe_panel_probe(struct mipi_dsi_device *dsi)
> +{
> + struct boe_panel *boe;
> + int ret;
> + const struct panel_desc *desc;
> +
> + boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
> + if (!boe)
> + return -ENOMEM;
> +
> + desc = of_device_get_match_data(&dsi->dev);
> + dsi->lanes = desc->lanes;
> + dsi->format = desc->format;
> + dsi->mode_flags = desc->mode_flags;
> + boe->desc = desc;
> + boe->dsi = dsi;
> + ret = boe_panel_add(boe);
> + if (ret < 0)
> + return ret;
> +
> + mipi_dsi_set_drvdata(dsi, boe);
> +
> + return mipi_dsi_attach(dsi);
> +}
> +
> +static int boe_panel_remove(struct mipi_dsi_device *dsi)
> +{
> + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
> + int ret;
> +
> + ret = boe_panel_disable(&boe->base);
> + if (ret < 0)
> + dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
> +
> + ret = mipi_dsi_detach(dsi);
> + if (ret < 0)
> + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
> +
> + if (boe->base.dev)
> + drm_panel_remove(&boe->base);
> +
> + return 0;
> +}
> +
> +static void boe_panel_shutdown(struct mipi_dsi_device *dsi)
> +{
> + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
> +
> + boe_panel_disable(&boe->base);
> +}
> +
> +static const struct of_device_id boe_of_match[] = {
> + { .compatible = "boe,tv101wum-nl6",
> + .data = &boe_tv101wum_nl6_desc
> + },
> + { /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, boe_of_match);
> +
> +static struct mipi_dsi_driver boe_panel_driver = {
> + .driver = {
> + .name = "panel-boe-tv101wum-nl6",
> + .of_match_table = boe_of_match,
> + },
> + .probe = boe_panel_probe,
> + .remove = boe_panel_remove,
> + .shutdown = boe_panel_shutdown,
> +};
> +module_mipi_dsi_driver(boe_panel_driver);
> +
> +MODULE_AUTHOR("Jitao Shi <[email protected]>");
> +MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver");
> +MODULE_LICENSE("GPL v2");
> --
> 2.21.0
>
> _______________________________________________
> dri-devel mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
On Mon, Jun 24, 2019 at 4:25 PM Nicolas Boichat <[email protected]> wrote:
>
> On Mon, Jun 24, 2019 at 2:04 PM Jitao Shi <[email protected]> wrote:
> >
> > Add driver for BOE tv101wum-nl6 panel is a 10.1" 1200x1920 panel.
> >
> > Signed-off-by: Jitao Shi <[email protected]>
> > ---
> > drivers/gpu/drm/panel/Kconfig | 10 +
> > drivers/gpu/drm/panel/Makefile | 1 +
> > .../gpu/drm/panel/panel-boe-tv101wum-nl6.c | 715 ++++++++++++++++++
> > 3 files changed, 726 insertions(+)
> > create mode 100644 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> >
> > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> > index e36dbb4df867..2b055ce0700b 100644
> > --- a/drivers/gpu/drm/panel/Kconfig
> > +++ b/drivers/gpu/drm/panel/Kconfig
> > @@ -17,6 +17,15 @@ config DRM_PANEL_ARM_VERSATILE
> > reference designs. The panel is detected using special registers
> > in the Versatile family syscon registers.
> >
> > +config DRM_PANEL_BOE_TV101WUM_NL6
> > + tristate "BOE TV101WUM 1200x1920 panel"
> > + depends on OF
> > + depends on DRM_MIPI_DSI
> > + depends on BACKLIGHT_CLASS_DEVICE
> > + help
> > + Say Y here if you want to support for BOE TV101WUM WUXGA PANEL
> > + DSI Video Mode panel
> > +
> > config DRM_PANEL_LVDS
> > tristate "Generic LVDS panel driver"
> > depends on OF
> > @@ -272,4 +281,5 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> > help
> > Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> > Video Mode panel
> > +
>
> Drop this change.
>
> > endmenu
> > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> > index 78e3dc376bdd..8d009223c44e 100644
> > --- a/drivers/gpu/drm/panel/Makefile
> > +++ b/drivers/gpu/drm/panel/Makefile
> > @@ -1,5 +1,6 @@
> > # SPDX-License-Identifier: GPL-2.0
> > obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
> > +obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
> > obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
> > obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
> > obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o
> > diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> > new file mode 100644
> > index 000000000000..6e06c8506623
> > --- /dev/null
> > +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
> > @@ -0,0 +1,715 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (c) 2018 MediaTek Inc.
> > + * Author: Jitao Shi <[email protected]>
> > + */
> > +
> > +#include <linux/backlight.h>
> > +#include <linux/delay.h>
> > +#include <linux/gpio/consumer.h>
> > +#include <linux/module.h>
> > +#include <linux/of.h>
> > +#include <linux/of_device.h>
> > +#include <linux/regulator/consumer.h>
> > +
> > +#include <drm/drm_crtc.h>
> > +#include <drm/drm_mipi_dsi.h>
> > +#include <drm/drm_panel.h>
> > +
> > +#include <video/mipi_display.h>
> > +
> > +struct panel_desc {
> > + const struct drm_display_mode *modes;
> > + unsigned int bpc;
> > +
> > + /**
> > + * @width: width (in millimeters) of the panel's active display area
> > + * @height: height (in millimeters) of the panel's active display area
> > + */
> > + struct {
> > + unsigned int width;
> > + unsigned int height;
> > + } size;
> > +
> > + unsigned long mode_flags;
> > + enum mipi_dsi_pixel_format format;
> > + const struct panel_init_cmd *init_cmds;
> > + unsigned int lanes;
> > +};
> > +
> > +struct boe_panel {
> > + struct drm_panel base;
> > + struct mipi_dsi_device *dsi;
> > +
> > + const struct panel_desc *desc;
> > +
> > + struct backlight_device *backlight;
> > + struct regulator *pp1800;
> > + struct regulator *avee;
> > + struct regulator *avdd;
> > + struct gpio_desc *enable_gpio;
> > +
> > + bool prepared;
> > + bool enabled;
> > +
> > + const struct drm_display_mode *mode;
> > +};
> > +
> > +enum dsi_cmd_type {
> > + INIT_DCS_CMD,
> > + DELAY_CMD,
> > +};
> > +
> > +struct panel_init_cmd {
> > + enum dsi_cmd_type type;
> > + size_t len;
> > + const char *data;
> > +};
> > +
> > +#define _INIT_DCS_CMD(...) { \
> > + .type = INIT_DCS_CMD, \
> > + .len = sizeof((char[]){__VA_ARGS__}), \
> > + .data = (char[]){__VA_ARGS__} }
> > +
> > +#define _INIT_DELAY_CMD(...) { \
> > + .type = DELAY_CMD,\
> > + .len = sizeof((char[]){__VA_ARGS__}), \
> > + .data = (char[]){__VA_ARGS__} }
> > +
> > +static const struct panel_init_cmd boe_init_cmd[] = {
> > + _INIT_DELAY_CMD(24),
> > + _INIT_DCS_CMD(0xB0, 0x05),
> > + _INIT_DCS_CMD(0xB1, 0xE5),
> > + _INIT_DCS_CMD(0xB3, 0x52),
> > + _INIT_DCS_CMD(0xB0, 0x00),
> > + _INIT_DCS_CMD(0xB3, 0x88),
> > + _INIT_DCS_CMD(0xB0, 0x04),
> > + _INIT_DCS_CMD(0xB8, 0x00),
> > + _INIT_DCS_CMD(0xB0, 0x00),
> > + _INIT_DCS_CMD(0xB6, 0x03),
> > + _INIT_DCS_CMD(0xBA, 0x8B),
> > + _INIT_DCS_CMD(0xBF, 0x1A),
> > + _INIT_DCS_CMD(0xC0, 0x0F),
> > + _INIT_DCS_CMD(0xC2, 0x0C),
> > + _INIT_DCS_CMD(0xC3, 0x02),
> > + _INIT_DCS_CMD(0xC4, 0x0C),
> > + _INIT_DCS_CMD(0xC5, 0x02),
> > + _INIT_DCS_CMD(0xB0, 0x01),
> > + _INIT_DCS_CMD(0xE0, 0x26),
> > + _INIT_DCS_CMD(0xE1, 0x26),
> > + _INIT_DCS_CMD(0xDC, 0x00),
> > + _INIT_DCS_CMD(0xDD, 0x00),
> > + _INIT_DCS_CMD(0xCC, 0x26),
> > + _INIT_DCS_CMD(0xCD, 0x26),
> > + _INIT_DCS_CMD(0xC8, 0x00),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xD2, 0x03),
> > + _INIT_DCS_CMD(0xD3, 0x03),
> > + _INIT_DCS_CMD(0xE6, 0x04),
> > + _INIT_DCS_CMD(0xE7, 0x04),
> > + _INIT_DCS_CMD(0xC4, 0x09),
> > + _INIT_DCS_CMD(0xC5, 0x09),
> > + _INIT_DCS_CMD(0xD8, 0x0A),
> > + _INIT_DCS_CMD(0xD9, 0x0A),
> > + _INIT_DCS_CMD(0xC2, 0x0B),
> > + _INIT_DCS_CMD(0xC3, 0x0B),
> > + _INIT_DCS_CMD(0xD6, 0x0C),
> > + _INIT_DCS_CMD(0xD7, 0x0C),
> > + _INIT_DCS_CMD(0xC0, 0x05),
> > + _INIT_DCS_CMD(0xC1, 0x05),
> > + _INIT_DCS_CMD(0xD4, 0x06),
> > + _INIT_DCS_CMD(0xD5, 0x06),
> > + _INIT_DCS_CMD(0xCA, 0x07),
> > + _INIT_DCS_CMD(0xCB, 0x07),
> > + _INIT_DCS_CMD(0xDE, 0x08),
> > + _INIT_DCS_CMD(0xDF, 0x08),
> > + _INIT_DCS_CMD(0xB0, 0x02),
> > + _INIT_DCS_CMD(0xC0, 0x00),
> > + _INIT_DCS_CMD(0xC1, 0x0D),
> > + _INIT_DCS_CMD(0xC2, 0x17),
> > + _INIT_DCS_CMD(0xC3, 0x26),
> > + _INIT_DCS_CMD(0xC4, 0x31),
> > + _INIT_DCS_CMD(0xC5, 0x1C),
> > + _INIT_DCS_CMD(0xC6, 0x2C),
> > + _INIT_DCS_CMD(0xC7, 0x33),
> > + _INIT_DCS_CMD(0xC8, 0x31),
> > + _INIT_DCS_CMD(0xC9, 0x37),
> > + _INIT_DCS_CMD(0xCA, 0x37),
> > + _INIT_DCS_CMD(0xCB, 0x37),
> > + _INIT_DCS_CMD(0xCC, 0x39),
> > + _INIT_DCS_CMD(0xCD, 0x2E),
> > + _INIT_DCS_CMD(0xCE, 0x2F),
> > + _INIT_DCS_CMD(0xCF, 0x2F),
> > + _INIT_DCS_CMD(0xD0, 0x07),
> > + _INIT_DCS_CMD(0xD2, 0x00),
> > + _INIT_DCS_CMD(0xD3, 0x0D),
> > + _INIT_DCS_CMD(0xD4, 0x17),
> > + _INIT_DCS_CMD(0xD5, 0x26),
> > + _INIT_DCS_CMD(0xD6, 0x31),
> > + _INIT_DCS_CMD(0xD7, 0x3F),
> > + _INIT_DCS_CMD(0xD8, 0x3F),
> > + _INIT_DCS_CMD(0xD9, 0x3F),
> > + _INIT_DCS_CMD(0xDA, 0x3F),
> > + _INIT_DCS_CMD(0xDB, 0x37),
> > + _INIT_DCS_CMD(0xDC, 0x37),
> > + _INIT_DCS_CMD(0xDD, 0x37),
> > + _INIT_DCS_CMD(0xDE, 0x39),
> > + _INIT_DCS_CMD(0xDF, 0x2E),
> > + _INIT_DCS_CMD(0xE0, 0x2F),
> > + _INIT_DCS_CMD(0xE1, 0x2F),
> > + _INIT_DCS_CMD(0xE2, 0x07),
> > + _INIT_DCS_CMD(0xB0, 0x03),
> > + _INIT_DCS_CMD(0xC8, 0x0B),
> > + _INIT_DCS_CMD(0xC9, 0x07),
> > + _INIT_DCS_CMD(0xC3, 0x00),
> > + _INIT_DCS_CMD(0xE7, 0x00),
> > + _INIT_DCS_CMD(0xC5, 0x2A),
> > + _INIT_DCS_CMD(0xDE, 0x2A),
> > + _INIT_DCS_CMD(0xCA, 0x43),
> > + _INIT_DCS_CMD(0xC9, 0x07),
> > + _INIT_DCS_CMD(0xE4, 0xC0),
> > + _INIT_DCS_CMD(0xE5, 0x0D),
> > + _INIT_DCS_CMD(0xCB, 0x00),
> > + _INIT_DCS_CMD(0xB0, 0x06),
> > + _INIT_DCS_CMD(0xB8, 0xA5),
> > + _INIT_DCS_CMD(0xC0, 0xA5),
> > + _INIT_DCS_CMD(0xC7, 0x0F),
> > + _INIT_DCS_CMD(0xD5, 0x32),
> > + _INIT_DCS_CMD(0xB8, 0x00),
> > + _INIT_DCS_CMD(0xC0, 0x00),
> > + _INIT_DCS_CMD(0xBC, 0x00),
> > + _INIT_DCS_CMD(0xB0, 0x07),
> > + _INIT_DCS_CMD(0xB1, 0x00),
> > + _INIT_DCS_CMD(0xB2, 0x02),
> > + _INIT_DCS_CMD(0xB3, 0x0F),
> > + _INIT_DCS_CMD(0xB4, 0x25),
> > + _INIT_DCS_CMD(0xB5, 0x39),
> > + _INIT_DCS_CMD(0xB6, 0x4E),
> > + _INIT_DCS_CMD(0xB7, 0x72),
> > + _INIT_DCS_CMD(0xB8, 0x97),
> > + _INIT_DCS_CMD(0xB9, 0xDC),
> > + _INIT_DCS_CMD(0xBA, 0x22),
> > + _INIT_DCS_CMD(0xBB, 0xA4),
> > + _INIT_DCS_CMD(0xBC, 0x2B),
> > + _INIT_DCS_CMD(0xBD, 0x2F),
> > + _INIT_DCS_CMD(0xBE, 0xA9),
> > + _INIT_DCS_CMD(0xBF, 0x25),
> > + _INIT_DCS_CMD(0xC0, 0x61),
> > + _INIT_DCS_CMD(0xC1, 0x97),
> > + _INIT_DCS_CMD(0xC2, 0xB2),
> > + _INIT_DCS_CMD(0xC3, 0xCD),
> > + _INIT_DCS_CMD(0xC4, 0xD9),
> > + _INIT_DCS_CMD(0xC5, 0xE7),
> > + _INIT_DCS_CMD(0xC6, 0xF4),
> > + _INIT_DCS_CMD(0xC7, 0xFA),
> > + _INIT_DCS_CMD(0xC8, 0xFC),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xCA, 0x00),
> > + _INIT_DCS_CMD(0xCB, 0x16),
> > + _INIT_DCS_CMD(0xCC, 0xAF),
> > + _INIT_DCS_CMD(0xCD, 0xFF),
> > + _INIT_DCS_CMD(0xCE, 0xFF),
> > + _INIT_DCS_CMD(0xB0, 0x08),
> > + _INIT_DCS_CMD(0xB1, 0x04),
> > + _INIT_DCS_CMD(0xB2, 0x05),
> > + _INIT_DCS_CMD(0xB3, 0x11),
> > + _INIT_DCS_CMD(0xB4, 0x24),
> > + _INIT_DCS_CMD(0xB5, 0x39),
> > + _INIT_DCS_CMD(0xB6, 0x4F),
> > + _INIT_DCS_CMD(0xB7, 0x72),
> > + _INIT_DCS_CMD(0xB8, 0x98),
> > + _INIT_DCS_CMD(0xB9, 0xDC),
> > + _INIT_DCS_CMD(0xBA, 0x23),
> > + _INIT_DCS_CMD(0xBB, 0xA6),
> > + _INIT_DCS_CMD(0xBC, 0x2C),
> > + _INIT_DCS_CMD(0xBD, 0x30),
> > + _INIT_DCS_CMD(0xBE, 0xAA),
> > + _INIT_DCS_CMD(0xBF, 0x26),
> > + _INIT_DCS_CMD(0xC0, 0x62),
> > + _INIT_DCS_CMD(0xC1, 0x9B),
> > + _INIT_DCS_CMD(0xC2, 0xB5),
> > + _INIT_DCS_CMD(0xC3, 0xCF),
> > + _INIT_DCS_CMD(0xC4, 0xDB),
> > + _INIT_DCS_CMD(0xC5, 0xE8),
> > + _INIT_DCS_CMD(0xC6, 0xF5),
> > + _INIT_DCS_CMD(0xC7, 0xFA),
> > + _INIT_DCS_CMD(0xC8, 0xFC),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xCA, 0x00),
> > + _INIT_DCS_CMD(0xCB, 0x16),
> > + _INIT_DCS_CMD(0xCC, 0xAF),
> > + _INIT_DCS_CMD(0xCD, 0xFF),
> > + _INIT_DCS_CMD(0xCE, 0xFF),
> > + _INIT_DCS_CMD(0xB0, 0x09),
> > + _INIT_DCS_CMD(0xB1, 0x04),
> > + _INIT_DCS_CMD(0xB2, 0x02),
> > + _INIT_DCS_CMD(0xB3, 0x16),
> > + _INIT_DCS_CMD(0xB4, 0x24),
> > + _INIT_DCS_CMD(0xB5, 0x3B),
> > + _INIT_DCS_CMD(0xB6, 0x4F),
> > + _INIT_DCS_CMD(0xB7, 0x73),
> > + _INIT_DCS_CMD(0xB8, 0x99),
> > + _INIT_DCS_CMD(0xB9, 0xE0),
> > + _INIT_DCS_CMD(0xBA, 0x26),
> > + _INIT_DCS_CMD(0xBB, 0xAD),
> > + _INIT_DCS_CMD(0xBC, 0x36),
> > + _INIT_DCS_CMD(0xBD, 0x3A),
> > + _INIT_DCS_CMD(0xBE, 0xAE),
> > + _INIT_DCS_CMD(0xBF, 0x2A),
> > + _INIT_DCS_CMD(0xC0, 0x66),
> > + _INIT_DCS_CMD(0xC1, 0x9E),
> > + _INIT_DCS_CMD(0xC2, 0xB8),
> > + _INIT_DCS_CMD(0xC3, 0xD1),
> > + _INIT_DCS_CMD(0xC4, 0xDD),
> > + _INIT_DCS_CMD(0xC5, 0xE9),
> > + _INIT_DCS_CMD(0xC6, 0xF6),
> > + _INIT_DCS_CMD(0xC7, 0xFA),
> > + _INIT_DCS_CMD(0xC8, 0xFC),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xCA, 0x00),
> > + _INIT_DCS_CMD(0xCB, 0x16),
> > + _INIT_DCS_CMD(0xCC, 0xAF),
> > + _INIT_DCS_CMD(0xCD, 0xFF),
> > + _INIT_DCS_CMD(0xCE, 0xFF),
> > + _INIT_DCS_CMD(0xB0, 0x0A),
> > + _INIT_DCS_CMD(0xB1, 0x00),
> > + _INIT_DCS_CMD(0xB2, 0x02),
> > + _INIT_DCS_CMD(0xB3, 0x0F),
> > + _INIT_DCS_CMD(0xB4, 0x25),
> > + _INIT_DCS_CMD(0xB5, 0x39),
> > + _INIT_DCS_CMD(0xB6, 0x4E),
> > + _INIT_DCS_CMD(0xB7, 0x72),
> > + _INIT_DCS_CMD(0xB8, 0x97),
> > + _INIT_DCS_CMD(0xB9, 0xDC),
> > + _INIT_DCS_CMD(0xBA, 0x22),
> > + _INIT_DCS_CMD(0xBB, 0xA4),
> > + _INIT_DCS_CMD(0xBC, 0x2B),
> > + _INIT_DCS_CMD(0xBD, 0x2F),
> > + _INIT_DCS_CMD(0xBE, 0xA9),
> > + _INIT_DCS_CMD(0xBF, 0x25),
> > + _INIT_DCS_CMD(0xC0, 0x61),
> > + _INIT_DCS_CMD(0xC1, 0x97),
> > + _INIT_DCS_CMD(0xC2, 0xB2),
> > + _INIT_DCS_CMD(0xC3, 0xCD),
> > + _INIT_DCS_CMD(0xC4, 0xD9),
> > + _INIT_DCS_CMD(0xC5, 0xE7),
> > + _INIT_DCS_CMD(0xC6, 0xF4),
> > + _INIT_DCS_CMD(0xC7, 0xFA),
> > + _INIT_DCS_CMD(0xC8, 0xFC),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xCA, 0x00),
> > + _INIT_DCS_CMD(0xCB, 0x16),
> > + _INIT_DCS_CMD(0xCC, 0xAF),
> > + _INIT_DCS_CMD(0xCD, 0xFF),
> > + _INIT_DCS_CMD(0xCE, 0xFF),
> > + _INIT_DCS_CMD(0xB0, 0x0B),
> > + _INIT_DCS_CMD(0xB1, 0x04),
> > + _INIT_DCS_CMD(0xB2, 0x05),
> > + _INIT_DCS_CMD(0xB3, 0x11),
> > + _INIT_DCS_CMD(0xB4, 0x24),
> > + _INIT_DCS_CMD(0xB5, 0x39),
> > + _INIT_DCS_CMD(0xB6, 0x4F),
> > + _INIT_DCS_CMD(0xB7, 0x72),
> > + _INIT_DCS_CMD(0xB8, 0x98),
> > + _INIT_DCS_CMD(0xB9, 0xDC),
> > + _INIT_DCS_CMD(0xBA, 0x23),
> > + _INIT_DCS_CMD(0xBB, 0xA6),
> > + _INIT_DCS_CMD(0xBC, 0x2C),
> > + _INIT_DCS_CMD(0xBD, 0x30),
> > + _INIT_DCS_CMD(0xBE, 0xAA),
> > + _INIT_DCS_CMD(0xBF, 0x26),
> > + _INIT_DCS_CMD(0xC0, 0x62),
> > + _INIT_DCS_CMD(0xC1, 0x9B),
> > + _INIT_DCS_CMD(0xC2, 0xB5),
> > + _INIT_DCS_CMD(0xC3, 0xCF),
> > + _INIT_DCS_CMD(0xC4, 0xDB),
> > + _INIT_DCS_CMD(0xC5, 0xE8),
> > + _INIT_DCS_CMD(0xC6, 0xF5),
> > + _INIT_DCS_CMD(0xC7, 0xFA),
> > + _INIT_DCS_CMD(0xC8, 0xFC),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xCA, 0x00),
> > + _INIT_DCS_CMD(0xCB, 0x16),
> > + _INIT_DCS_CMD(0xCC, 0xAF),
> > + _INIT_DCS_CMD(0xCD, 0xFF),
> > + _INIT_DCS_CMD(0xCE, 0xFF),
> > + _INIT_DCS_CMD(0xB0, 0x0C),
> > + _INIT_DCS_CMD(0xB1, 0x04),
> > + _INIT_DCS_CMD(0xB2, 0x02),
> > + _INIT_DCS_CMD(0xB3, 0x16),
> > + _INIT_DCS_CMD(0xB4, 0x24),
> > + _INIT_DCS_CMD(0xB5, 0x3B),
> > + _INIT_DCS_CMD(0xB6, 0x4F),
> > + _INIT_DCS_CMD(0xB7, 0x73),
> > + _INIT_DCS_CMD(0xB8, 0x99),
> > + _INIT_DCS_CMD(0xB9, 0xE0),
> > + _INIT_DCS_CMD(0xBA, 0x26),
> > + _INIT_DCS_CMD(0xBB, 0xAD),
> > + _INIT_DCS_CMD(0xBC, 0x36),
> > + _INIT_DCS_CMD(0xBD, 0x3A),
> > + _INIT_DCS_CMD(0xBE, 0xAE),
> > + _INIT_DCS_CMD(0xBF, 0x2A),
> > + _INIT_DCS_CMD(0xC0, 0x66),
> > + _INIT_DCS_CMD(0xC1, 0x9E),
> > + _INIT_DCS_CMD(0xC2, 0xB8),
> > + _INIT_DCS_CMD(0xC3, 0xD1),
> > + _INIT_DCS_CMD(0xC4, 0xDD),
> > + _INIT_DCS_CMD(0xC5, 0xE9),
> > + _INIT_DCS_CMD(0xC6, 0xF6),
> > + _INIT_DCS_CMD(0xC7, 0xFA),
> > + _INIT_DCS_CMD(0xC8, 0xFC),
> > + _INIT_DCS_CMD(0xC9, 0x00),
> > + _INIT_DCS_CMD(0xCA, 0x00),
> > + _INIT_DCS_CMD(0xCB, 0x16),
> > + _INIT_DCS_CMD(0xCC, 0xAF),
> > + _INIT_DCS_CMD(0xCD, 0xFF),
> > + _INIT_DCS_CMD(0xCE, 0xFF),
> > + _INIT_DCS_CMD(0xB0, 0x00),
> > + _INIT_DCS_CMD(0xB3, 0x08),
> > + _INIT_DCS_CMD(0xB0, 0x04),
> > + _INIT_DCS_CMD(0xB8, 0x68),
> > + _INIT_DELAY_CMD(150),
> > + {},
> > +};
> > +
> > +static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
> > +{
> > + return container_of(panel, struct boe_panel, base);
> > +}
> > +
> > +static int boe_panel_init(struct boe_panel *boe)
> > +{
> > + struct mipi_dsi_device *dsi = boe->dsi;
> > + struct drm_panel *panel = &boe->base;
> > + int err, i;
> > +
> > + if (boe->desc->init_cmds) {
> > + const struct panel_init_cmd *init_cmds = boe->desc->init_cmds;
> > +
> > + for (i = 0; init_cmds[i].len != 0; i++) {
> > + const struct panel_init_cmd *cmd = &init_cmds[i];
> > +
> > + switch (cmd->type) {
> > + case DELAY_CMD:
> > + msleep(cmd->data[0]);
> > + err = 0;
> > + break;
> > +
> > + case INIT_DCS_CMD:
> > + err = mipi_dsi_dcs_write(dsi, cmd->data[0],
> > + cmd->len <= 1 ? NULL :
> > + &cmd->data[1],
> > + cmd->len - 1);
> > + break;
> > + }
> > +
> > + if (err < 0) {
> > + dev_err(panel->dev,
> > + "failed to write command %u\n", i);
> > + return err;
> > + }
> > + }
> > + }
> > + return 0;
> > +}
> > +
> > +static int boe_panel_off(struct boe_panel *boe)
> > +{
> > + struct mipi_dsi_device *dsi = boe->dsi;
> > + int ret;
> > +
> > + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
> > +
> > + ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> > + if (ret < 0)
> > + return ret;
> > +
> > + return 0;
> > +}
> > +
> > +static int boe_panel_disable(struct drm_panel *panel)
> > +{
> > + struct boe_panel *boe = to_boe_panel(panel);
> > +
> > + if (!boe->enabled)
> > + return 0;
> > +
> > + backlight_disable(boe->backlight);
> > +
> > + boe->enabled = false;
> > +
> > + return 0;
> > +}
> > +
> > +static int boe_panel_unprepare(struct drm_panel *panel)
> > +{
> > + struct boe_panel *boe = to_boe_panel(panel);
> > + int ret;
> > +
> > + if (!boe->prepared)
> > + return 0;
> > +
> > + ret = boe_panel_off(boe);
> > + if (ret < 0) {
> > + dev_err(panel->dev, "failed to set panel off: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + msleep(150);
> > + if (boe->enable_gpio)
> > + gpiod_set_value(boe->enable_gpio, 0);
> > + usleep_range(500, 1000);
> > + regulator_disable(boe->avee);
> > + regulator_disable(boe->avdd);
> > + usleep_range(5000, 7000);
> > + regulator_disable(boe->pp1800);
> > +
> > + boe->prepared = false;
> > +
> > + return 0;
> > +}
> > +
> > +static int boe_panel_prepare(struct drm_panel *panel)
> > +{
> > + struct boe_panel *boe = to_boe_panel(panel);
> > + int ret;
> > +
> > + if (boe->prepared)
> > + return 0;
> > +
> > + if (boe->enable_gpio) {
> > + gpiod_set_value(boe->enable_gpio, 0);
> > + usleep_range(1000, 1500);
> > + }
> > +
> > + ret = regulator_enable(boe->pp1800);
> > + if (ret < 0)
> > + return ret;
> > +
> > + usleep_range(3000, 5000);
> > +
> > + ret = regulator_enable(boe->avdd);
> > + if (ret < 0)
> > + goto poweroff1v8;
> > + ret = regulator_enable(boe->avee);
> > + if (ret < 0)
> > + goto poweroffavdd;
> > +
> > + msleep(100);
> > +
> > + if (boe->enable_gpio) {
> > + gpiod_set_value(boe->enable_gpio, 1);
> > + usleep_range(10000, 12000);
> > + }
> > +
> > + ret = boe_panel_init(boe);
> > + if (ret < 0) {
> > + dev_err(panel->dev, "failed to init panel: %d\n", ret);
> > + goto poweroff;
> > + }
> > +
> > + boe->prepared = true;
> > +
> > + return 0;
> > +
> > +poweroff:
> > + regulator_disable(boe->avee);
> > +poweroffavdd:
> > + regulator_disable(boe->avdd);
> > +poweroff1v8:
> > + usleep_range(5000, 7000);
> > + regulator_disable(boe->pp1800);
> > + if (boe->enable_gpio)
> > + gpiod_set_value(boe->enable_gpio, 0);
> > + return ret;
> > +}
> > +
> > +static int boe_panel_enable(struct drm_panel *panel)
> > +{
> > + struct boe_panel *boe = to_boe_panel(panel);
> > + int ret;
> > +
> > + if (boe->enabled)
> > + return 0;
> > +
> > + ret = backlight_enable(boe->backlight);
> > + if (ret) {
> > + dev_err(panel->dev, "Failed to enable backlight %d\n",
> > + ret);
> > + return ret;
> > + }
> > +
> > + boe->enabled = true;
> > +
> > + return 0;
> > +}
> > +
> > +static const struct drm_display_mode boe_default_mode = {
> > + .clock = 159425,
> > + .hdisplay = 1200,
> > + .hsync_start = 1200 + 100,
> > + .hsync_end = 1200 + 100 + 40,
> > + .htotal = 1200 + 100 + 40 + 24,
> > + .vdisplay = 1920,
> > + .vsync_start = 1920 + 10,
> > + .vsync_end = 1920 + 10 + 14,
> > + .vtotal = 1920 + 10 + 14 + 4,
> > + .vrefresh = 60,
> > + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
> > +};
> > +
> > +static const struct panel_desc boe_tv101wum_nl6_desc = {
> > + .modes = &boe_default_mode,
> > + .bpc = 8,
> > + .size = {
> > + .width = 216,
> > + .height = 135,
This is wrong, as this is a portrait panel, should be: width=135, height=216.
> > + },
> > + .lanes = 4,
> > + .format = MIPI_DSI_FMT_RGB888,
> > + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
> > + MIPI_DSI_MODE_LPM,
> > + .init_cmds = boe_init_cmd,
> > +};
> > +
> > +static int boe_panel_get_modes(struct drm_panel *panel)
> > +{
> > + struct boe_panel *boe = to_boe_panel(panel);
> > + const struct drm_display_mode *m = boe->desc->modes;
> > + struct drm_display_mode *mode;
> > +
> > + mode = drm_mode_duplicate(panel->drm, m);
> > + if (!mode) {
> > + dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
> > + m->hdisplay, m->vdisplay, m->vrefresh);
> > + return -ENOMEM;
> > + }
> > +
> > + drm_mode_set_name(mode);
> > +
>
> Sam suggested adding this here:
> mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
Scrap that, I see that you added it in boe_default_mode.
>
> > + drm_mode_probed_add(panel->connector, mode);
> > +
> > + panel->connector->display_info.width_mm = boe->desc->size.width;
> > + panel->connector->display_info.height_mm = boe->desc->size.height;
> > + panel->connector->display_info.bpc = boe->desc->bpc;
> > +
> > + return 1;
> > +}
> > +
> > +static const struct drm_panel_funcs boe_panel_funcs = {
> > + .disable = boe_panel_disable,
> > + .unprepare = boe_panel_unprepare,
> > + .prepare = boe_panel_prepare,
> > + .enable = boe_panel_enable,
> > + .get_modes = boe_panel_get_modes,
> > +};
> > +
> > +static int boe_panel_add(struct boe_panel *boe)
> > +{
> > + struct device *dev = &boe->dsi->dev;
> > +
> > + boe->avdd = devm_regulator_get(dev, "avdd");
> > + if (IS_ERR(boe->avdd))
> > + return PTR_ERR(boe->avdd);
> > +
> > + boe->avee = devm_regulator_get(dev, "avee");
> > + if (IS_ERR(boe->avee))
> > + return PTR_ERR(boe->avee);
> > +
> > + boe->pp1800 = devm_regulator_get(dev, "pp1800");
> > + if (IS_ERR(boe->pp1800))
> > + return PTR_ERR(boe->pp1800);
> > +
> > + boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
> > + if (IS_ERR(boe->enable_gpio)) {
> > + dev_err(dev, "cannot get reset-gpios %ld\n",
> > + PTR_ERR(boe->enable_gpio));
> > + return PTR_ERR(boe->enable_gpio);
> > + }
> > +
> > + gpiod_set_value(boe->enable_gpio, 0);
> > +
> > + boe->backlight = devm_of_find_backlight(dev);
> > + if (IS_ERR(boe->backlight))
> > + return PTR_ERR(boe->backlight);
> > +
> > + drm_panel_init(&boe->base);
> > + boe->base.funcs = &boe_panel_funcs;
> > + boe->base.dev = &boe->dsi->dev;
> > +
> > + return drm_panel_add(&boe->base);
> > +}
> > +
> > +static int boe_panel_probe(struct mipi_dsi_device *dsi)
> > +{
> > + struct boe_panel *boe;
> > + int ret;
> > + const struct panel_desc *desc;
> > +
> > + boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
> > + if (!boe)
> > + return -ENOMEM;
> > +
> > + desc = of_device_get_match_data(&dsi->dev);
> > + dsi->lanes = desc->lanes;
> > + dsi->format = desc->format;
> > + dsi->mode_flags = desc->mode_flags;
> > + boe->desc = desc;
> > + boe->dsi = dsi;
> > + ret = boe_panel_add(boe);
> > + if (ret < 0)
> > + return ret;
> > +
> > + mipi_dsi_set_drvdata(dsi, boe);
> > +
> > + return mipi_dsi_attach(dsi);
> > +}
> > +
> > +static int boe_panel_remove(struct mipi_dsi_device *dsi)
> > +{
> > + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
> > + int ret;
> > +
> > + ret = boe_panel_disable(&boe->base);
> > + if (ret < 0)
> > + dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
> > +
> > + ret = mipi_dsi_detach(dsi);
> > + if (ret < 0)
> > + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
> > +
> > + if (boe->base.dev)
> > + drm_panel_remove(&boe->base);
> > +
> > + return 0;
> > +}
> > +
> > +static void boe_panel_shutdown(struct mipi_dsi_device *dsi)
> > +{
> > + struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
> > +
> > + boe_panel_disable(&boe->base);
> > +}
> > +
> > +static const struct of_device_id boe_of_match[] = {
> > + { .compatible = "boe,tv101wum-nl6",
> > + .data = &boe_tv101wum_nl6_desc
> > + },
> > + { /* sentinel */ }
> > +};
> > +MODULE_DEVICE_TABLE(of, boe_of_match);
> > +
> > +static struct mipi_dsi_driver boe_panel_driver = {
> > + .driver = {
> > + .name = "panel-boe-tv101wum-nl6",
> > + .of_match_table = boe_of_match,
> > + },
> > + .probe = boe_panel_probe,
> > + .remove = boe_panel_remove,
> > + .shutdown = boe_panel_shutdown,
> > +};
> > +module_mipi_dsi_driver(boe_panel_driver);
> > +
> > +MODULE_AUTHOR("Jitao Shi <[email protected]>");
> > +MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver");
> > +MODULE_LICENSE("GPL v2");
> > --
> > 2.21.0
> >
> > _______________________________________________
> > dri-devel mailing list
> > [email protected]
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
On Mon, Jun 24, 2019 at 6:03 AM Jitao Shi <[email protected]> wrote:
There are some error when unbinding this driver,
`` echo 14014000.dsi.0 >
/sys/bus/mipi-dsi/drivers/panel-boe-tv101wum-nl6/unbind ``
[ 40.404393] WARNING: CPU: 1 PID: 2612 at
/mnt/host/source/src/third_party/kernel/v4.19/drivers/regulator/core.c:2054
_regulator_put+0xe4/0xec
[ 40.417098] Modules linked in: rfcomm uinput thermal_generic_adc
hci_uart btqca bluetooth ecdh_generic mtk_scp mtk_rpmsg mtk_scp_ipi
bridge rpmsg_core mt6577_auxadc stp llc nf_nat_tftp nv
[ 40.471107] CPU: 1 PID: 2612 Comm: bash Tainted: G S
4.19.53 #99
[ 40.478410] Hardware name: MediaTek krane rev3 sku16 board (DT)
[ 40.484327] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 40.489118] pc : _regulator_put+0xe4/0xec
[ 40.493127] lr : regulator_put+0x2c/0x40
[ 40.497044] sp : ffffff800cef3b00
[ 40.500354] x29: ffffff800cef3b10 x28: fffffff0e7a22a00
[ 40.505667] x27: 0000000000000000 x26: fffffff13876fc00
[ 40.510979] x25: ffffff800cef3b68 x24: ffffff91f0b92000
[ 40.516291] x23: ffffff91f03f2917 x22: ffffff91f0453a1c
[ 40.521604] x21: fffffff13876fe00 x20: ffffff91f0a80988
[ 40.526916] x19: fffffff13876ff00 x18: 0000000000000000
[ 40.532229] x17: 0000000000000000 x16: 0000000000000000
[ 40.537541] x15: 0000000000000000 x14: 0000000000000000
[ 40.542854] x13: 0000000000000010 x12: 0000000000000000
[ 40.548166] x11: 0000000000000000 x10: 0000000000000000
[ 40.553478] x9 : fffffff0e7a22a00 x8 : 0000000000000001
[ 40.558789] x7 : 0004be4200000000 x6 : 0000000042be0400
[ 40.564102] x5 : ffffff91f043a5ef x4 : ffffff91f043a5ef
[ 40.569414] x3 : 0000000000000000 x2 : 0000000000000000
[ 40.574726] x1 : 00000000000000fe x0 : fffffff13876ff00
[ 40.580040] Call trace:
[ 40.582488] _regulator_put+0xe4/0xec
[ 40.586148] regulator_put+0x2c/0x40
[ 40.589724] devm_regulator_release+0x1c/0x28
[ 40.594084] release_nodes+0x1f0/0x244
[ 40.597832] devres_release_all+0x3c/0x54
[ 40.601840] device_release_driver_internal+0x148/0x1ec
[ 40.607061] device_release_driver+0x24/0x30
[ 40.611328] unbind_store+0x90/0xdc
[ 40.614814] drv_attr_store+0x3c/0x54
[ 40.618478] sysfs_kf_write+0x50/0x68
[ 40.622137] kernfs_fop_write+0x12c/0x1c8
[ 40.626146] __vfs_write+0x54/0x15c
[ 40.629631] vfs_write+0xcc/0x188
[ 40.632943] ksys_write+0x78/0xd8
[ 40.636255] __arm64_sys_write+0x20/0x2c
[ 40.640181] el0_svc_common+0xa4/0x154
[ 40.643928] el0_svc_compat_handler+0x2c/0x38
[ 40.648283] el0_svc_compat+0x8/0x18
[ 40.651855] ---[ end trace 65d8c8e7436ab6e9 ]---
[ 40.656765] panel-boe-tv101wum-nl6 14014000.dsi.0: Dropping the
link to regulator.8
[ 40.664649] WARNING: CPU: 6 PID: 2612 at
/mnt/host/source/src/third_party/kernel/v4.19/drivers/regulator/core.c:2054
_regulator_put+0xe4/0xec
[ 40.677335] Modules linked in: rfcomm uinput thermal_generic_adc
hci_uart btqca bluetooth ecdh_generic mtk_scp mtk_rpmsg mtk_scp_ipi
bridge rpmsg_core mt6577_auxadc stp llc nf_nat_tftp nv
[ 40.731273] CPU: 6 PID: 2612 Comm: bash Tainted: G S W
4.19.53 #99
[ 40.738574] Hardware name: MediaTek krane rev3 sku16 board (DT)
[ 40.744488] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 40.749276] pc : _regulator_put+0xe4/0xec
[ 40.753282] lr : regulator_put+0x2c/0x40
[ 40.757197] sp : ffffff800cef3b00
[ 40.760505] x29: ffffff800cef3b10 x28: fffffff0e7a22a00
[ 40.765814] x27: 0000000000000000 x26: fffffff13876fa00
[ 40.771122] x25: ffffff800cef3b68 x24: ffffff91f0b92000
[ 40.776429] x23: ffffff91f03f2917 x22: ffffff91f0453a1c
[ 40.781736] x21: fffffff13876fc00 x20: ffffff91f0a80988
[ 40.787044] x19: fffffff13876fd00 x18: 0000000000000020
[ 40.792351] x17: 0000000000000001 x16: 0000000000000000
[ 40.797658] x15: 0000000000000000 x14: 00000000000003f1
[ 40.802966] x13: 0000000000000004 x12: 000000001f80c232
[ 40.808272] x11: 0000000000000000 x10: 0000000000000001
[ 40.813580] x9 : 7ee042d282bebd00 x8 : 0000000000000001
[ 40.818887] x7 : fefeff2f2f37306f x6 : 0000000000000000
[ 40.824194] x5 : 0000000000000000 x4 : ffffff91f0143fdc
[ 40.829501] x3 : 0000000000000000 x2 : 0000000000000000
[ 40.834809] x1 : 000000000000038c x0 : fffffff13876fd00
[ 40.840116] Call trace:
[ 40.842560] _regulator_put+0xe4/0xec
[ 40.846218] regulator_put+0x2c/0x40
[ 40.849791] devm_regulator_release+0x1c/0x28
[ 40.854148] release_nodes+0x1f0/0x244
[ 40.857892] devres_release_all+0x3c/0x54
[ 40.861898] device_release_driver_internal+0x148/0x1ec
[ 40.867116] device_release_driver+0x24/0x30
[ 40.871380] unbind_store+0x90/0xdc
[ 40.874863] drv_attr_store+0x3c/0x54
[ 40.878524] sysfs_kf_write+0x50/0x68
[ 40.882180] kernfs_fop_write+0x12c/0x1c8
[ 40.886186] __vfs_write+0x54/0x15c
[ 40.889668] vfs_write+0xcc/0x188
[ 40.892978] ksys_write+0x78/0xd8
[ 40.896287] __arm64_sys_write+0x20/0x2c
[ 40.900208] el0_svc_common+0xa4/0x154
[ 40.903951] el0_svc_compat_handler+0x2c/0x38
[ 40.908302] el0_svc_compat+0x8/0x18
[ 40.911871] ---[ end trace 65d8c8e7436ab6ea ]---
[ 40.916642] panel-boe-tv101wum-nl6 14014000.dsi.0: Dropping the
link to regulator.7
[ 40.924511] WARNING: CPU: 6 PID: 2612 at
/mnt/host/source/src/third_party/kernel/v4.19/drivers/regulator/core.c:2054
_regulator_put+0xe4/0xec
[ 40.937193] Modules linked in: rfcomm uinput thermal_generic_adc
hci_uart btqca bluetooth ecdh_generic mtk_scp mtk_rpmsg mtk_scp_ipi
bridge rpmsg_core mt6577_auxadc stp llc nf_nat_tftp nv
[ 40.991108] CPU: 6 PID: 2612 Comm: bash Tainted: G S W
4.19.53 #99
[ 40.998407] Hardware name: MediaTek krane rev3 sku16 board (DT)
[ 41.004320] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 41.009105] pc : _regulator_put+0xe4/0xec
[ 41.013109] lr : regulator_put+0x2c/0x40
[ 41.017022] sp : ffffff800cef3b00
[ 41.020329] x29: ffffff800cef3b10 x28: fffffff0e7a22a00
[ 41.025636] x27: 0000000000000000 x26: fffffff13876f900
[ 41.030942] x25: ffffff800cef3b68 x24: ffffff91f0b92000
[ 41.036248] x23: ffffff91f03f2917 x22: ffffff91f0453a1c
[ 41.041554] x21: fffffff13876fa00 x20: ffffff91f0a80988
[ 41.046859] x19: fffffff13876fb00 x18: 0000000000000020
[ 41.052166] x17: 0000000000000001 x16: 0000000000000000
[ 41.057472] x15: 00000000ffffffff x14: 00000000000002e3
[ 41.062778] x13: 0000000000000000 x12: 0000000000000000
[ 41.068084] x11: 0000000000000000 x10: 00000000ffffffff
[ 41.073389] x9 : 7ee042d282bebd00 x8 : 0000000000000001
[ 41.078696] x7 : 0000000000000000 x6 : ffffff800cef37f0
[ 41.084002] x5 : 0000000000000040 x4 : 0000000000000000
[ 41.089307] x3 : 0000000000000000 x2 : fffffff0e7a22ac0
[ 41.094613] x1 : 0000000000000000 x0 : fffffff13876fb00
[ 41.099918] Call trace:
[ 41.102361] _regulator_put+0xe4/0xec
[ 41.106017] regulator_put+0x2c/0x40
[ 41.109587] devm_regulator_release+0x1c/0x28
[ 41.113939] release_nodes+0x1f0/0x244
[ 41.117683] devres_release_all+0x3c/0x54
[ 41.121686] device_release_driver_internal+0x148/0x1ec
[ 41.126904] device_release_driver+0x24/0x30
[ 41.131167] unbind_store+0x90/0xdc
[ 41.134649] drv_attr_store+0x3c/0x54
[ 41.138308] sysfs_kf_write+0x50/0x68
[ 41.141962] kernfs_fop_write+0x12c/0x1c8
[ 41.145965] __vfs_write+0x54/0x15c
[ 41.149446] vfs_write+0xcc/0x188
[ 41.152754] ksys_write+0x78/0xd8
[ 41.156061] __arm64_sys_write+0x20/0x2c
[ 41.159979] el0_svc_common+0xa4/0x154
[ 41.163722] el0_svc_compat_handler+0x2c/0x38
[ 41.168072] el0_svc_compat+0x8/0x18
[ 41.171640] ---[ end trace 65d8c8e7436ab6eb ]---
[ 41.176405] panel-boe-tv101wum-nl6 14014000.dsi.0: Dropping the
link to regulator.6
Also, sometimes when rebinding the driver
`` echo 14014000.dsi.0 >
/sys/bus/mipi-dsi/drivers/panel-boe-tv101wum-nl6/bind ``
UI still failed to show up.