| Message ID | 20250325155756.703907-3-sanyapilot496@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add Visionox G2647FB105 panel support | expand |
On 3/25/25 18:57, Alexander Baransky wrote: > 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"; Hello Alexander, Why don't you want to make regulator_bulk_data a static const structure? Please look: https://lore.kernel.org/all/20240828-topic-sm8x50-upstream-vtdr6130-multi-v1-2-0cae20d4c55d@linaro.org/ --- Best wishes Danila > + 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");
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");
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