* [PATCH 2/2] drm/panel: Add Visionox G2647FB105 panel driver
2025-03-25 15:57 [PATCH 0/2] Add Visionox G2647FB105 panel support Alexander Baransky
2025-03-25 15:57 ` [PATCH 1/2] dt-bindings: display: panel: Add Visionox G2647FB105 Alexander Baransky
@ 2025-03-25 15:57 ` Alexander Baransky
1 sibling, 0 replies; 6+ messages in thread
From: Alexander Baransky @ 2025-03-25 15:57 UTC (permalink / raw)
To: neil.armstrong, quic_jesszhan, maarten.lankhorst, mripard,
tzimmermann, airlied, simona, robh, krzk+dt, conor+dt
Cc: Alexander Baransky, dri-devel, devicetree, linux-kernel
Add the driver for Visionox G2647FB105 6.47" FHD Plus CMD mode AMOLED panel
support found in:
- Xiaomi Mi Note 10 / CC9 Pro (sm7150-xiaomi-tucana)
- Xiaomi Mi Note 10 Lite (sm7150-xiaomi-toco)
Signed-off-by: Alexander Baransky <sanyapilot496@gmail.com>
---
drivers/gpu/drm/panel/Kconfig | 9 +
drivers/gpu/drm/panel/Makefile | 1 +
.../gpu/drm/panel/panel-visionox-g2647fb105.c | 277 ++++++++++++++++++
3 files changed, 287 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-visionox-g2647fb105.c
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index d7469c565d1d..c4de2749260d 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -977,6 +977,15 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
Video Mode panel
+config DRM_PANEL_VISIONOX_G2647FB105
+ tristate "Visionox G2647FB105"
+ 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 Visionox
+ G2647FB105 (2340x1080@60Hz) AMOLED DSI cmd mode panel.
+
config DRM_PANEL_VISIONOX_R66451
tristate "Visionox R66451"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 7dcf72646cac..31dc893e0b16 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -99,6 +99,7 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
+obj-$(CONFIG_DRM_PANEL_VISIONOX_G2647FB105) += panel-visionox-g2647fb105.o
obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
obj-$(CONFIG_DRM_PANEL_VISIONOX_VTDR6130) += panel-visionox-vtdr6130.o
obj-$(CONFIG_DRM_PANEL_VISIONOX_R66451) += panel-visionox-r66451.o
diff --git a/drivers/gpu/drm/panel/panel-visionox-g2647fb105.c b/drivers/gpu/drm/panel/panel-visionox-g2647fb105.c
new file mode 100644
index 000000000000..cf80310de13c
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-visionox-g2647fb105.c
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2025, Alexander Baransky <sanyapilot496@gmail.com>
+ */
+
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+struct visionox_g2647fb105 {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi;
+ struct gpio_desc *reset_gpio;
+ struct regulator_bulk_data supplies[4];
+};
+
+static inline
+struct visionox_g2647fb105 *to_visionox_g2647fb105(struct drm_panel *panel)
+{
+ return container_of(panel, struct visionox_g2647fb105, panel);
+}
+
+static void visionox_g2647fb105_reset(struct visionox_g2647fb105 *ctx)
+{
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ usleep_range(1000, 2000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ usleep_range(10000, 11000);
+}
+
+static int visionox_g2647fb105_on(struct visionox_g2647fb105 *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
+
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x70, 0x04);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x40);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4d, 0x32);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x40);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbe, 0x17);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbf, 0xbb);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc0, 0xdd);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc1, 0xff);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xd0);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x03, 0x24);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x03);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc2, 0x08);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00);
+
+ mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+ mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x0000);
+ mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 100);
+
+ mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+
+ return dsi_ctx.accum_err;
+}
+
+static int visionox_g2647fb105_off(struct visionox_g2647fb105 *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
+
+ mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 50);
+
+ mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 20);
+
+ return dsi_ctx.accum_err;
+}
+
+static int visionox_g2647fb105_prepare(struct drm_panel *panel)
+{
+ struct visionox_g2647fb105 *ctx = to_visionox_g2647fb105(panel);
+ struct device *dev = &ctx->dsi->dev;
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enable regulators: %d\n", ret);
+ return ret;
+ }
+
+ visionox_g2647fb105_reset(ctx);
+
+ ret = visionox_g2647fb105_on(ctx);
+ if (ret < 0) {
+ dev_err(dev, "Failed to initialize panel: %d\n", ret);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int visionox_g2647fb105_unprepare(struct drm_panel *panel)
+{
+ struct visionox_g2647fb105 *ctx = to_visionox_g2647fb105(panel);
+ struct device *dev = &ctx->dsi->dev;
+ int ret;
+
+ ret = visionox_g2647fb105_off(ctx);
+ if (ret < 0)
+ dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+
+ return 0;
+}
+
+static const struct drm_display_mode visionox_g2647fb105_mode = {
+ .clock = (1080 + 28 + 4 + 36) * (2340 + 8 + 4 + 4) * 60 / 1000,
+ .hdisplay = 1080,
+ .hsync_start = 1080 + 28,
+ .hsync_end = 1080 + 28 + 4,
+ .htotal = 1080 + 28 + 4 + 36,
+ .vdisplay = 2340,
+ .vsync_start = 2340 + 8,
+ .vsync_end = 2340 + 8 + 4,
+ .vtotal = 2340 + 8 + 4 + 4,
+ .width_mm = 69,
+ .height_mm = 149,
+};
+
+static int visionox_g2647fb105_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, &visionox_g2647fb105_mode);
+ if (!mode)
+ return -ENOMEM;
+
+ drm_mode_set_name(mode);
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs visionox_g2647fb105_panel_funcs = {
+ .prepare = visionox_g2647fb105_prepare,
+ .unprepare = visionox_g2647fb105_unprepare,
+ .get_modes = visionox_g2647fb105_get_modes,
+};
+
+static int visionox_g2647fb105_bl_update_status(struct backlight_device *bl)
+{
+ struct mipi_dsi_device *dsi = bl_get_data(bl);
+ u16 brightness = backlight_get_brightness(bl);
+ int ret;
+
+ dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness);
+ if (ret < 0)
+ return ret;
+
+ dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ return 0;
+}
+
+static const struct backlight_ops visionox_g2647fb105_bl_ops = {
+ .update_status = visionox_g2647fb105_bl_update_status,
+};
+
+static struct backlight_device *
+visionox_g2647fb105_create_backlight(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ const struct backlight_properties props = {
+ .type = BACKLIGHT_RAW,
+ .brightness = 1023,
+ .max_brightness = 2047,
+ };
+
+ return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+ &visionox_g2647fb105_bl_ops, &props);
+}
+
+static int visionox_g2647fb105_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct visionox_g2647fb105 *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->supplies[0].supply = "vdd3p3";
+ ctx->supplies[1].supply = "vddio";
+ ctx->supplies[2].supply = "vsn";
+ ctx->supplies[3].supply = "vsp";
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to get regulators\n");
+
+ ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(ctx->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
+ "Failed to get reset-gpios\n");
+
+ ctx->dsi = dsi;
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
+
+ ctx->panel.prepare_prev_first = true;
+
+ drm_panel_init(&ctx->panel, dev, &visionox_g2647fb105_panel_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ ctx->panel.prepare_prev_first = true;
+
+ ctx->panel.backlight = visionox_g2647fb105_create_backlight(dsi);
+ if (IS_ERR(ctx->panel.backlight))
+ return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
+ "Failed to create backlight\n");
+
+ drm_panel_add(&ctx->panel);
+
+ ret = devm_mipi_dsi_attach(dev, dsi);
+ if (ret < 0) {
+ drm_panel_remove(&ctx->panel);
+ return dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
+ }
+
+ return 0;
+}
+
+static void visionox_g2647fb105_remove(struct mipi_dsi_device *dsi)
+{
+ struct visionox_g2647fb105 *ctx = mipi_dsi_get_drvdata(dsi);
+ drm_panel_remove(&ctx->panel);
+}
+
+static const struct of_device_id visionox_g2647fb105_of_match[] = {
+ { .compatible = "visionox,g2647fb105" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, visionox_g2647fb105_of_match);
+
+static struct mipi_dsi_driver visionox_g2647fb105_driver = {
+ .probe = visionox_g2647fb105_probe,
+ .remove = visionox_g2647fb105_remove,
+ .driver = {
+ .name = "panel-visionox-g2647fb105",
+ .of_match_table = visionox_g2647fb105_of_match,
+ },
+};
+module_mipi_dsi_driver(visionox_g2647fb105_driver);
+
+MODULE_AUTHOR("Alexander Baransky <sanyapilot496@gmail.com>");
+MODULE_DESCRIPTION("DRM driver for Visionox G2647FB105 AMOLED DSI panel");
+MODULE_LICENSE("GPL");
--
2.49.0
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