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drm/panel: Add driver for Raydium RM69220 DDIC
Add a panel driver for Raydium RM69220 DDIC based displays such as the BOE BF068MWM-TD0 found in the Nothing Phone (3a). Signed-off-by: Alexander Koskovich <akoskovich@pm.me> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patch.msgid.link/20261001-asteroids-panel-support-v4-2-fb228194ad91@pm.me
This commit is contained in:
Alexander Koskovich
Neil Armstrong
parent
dfb7ce7880
commit
54e61ea6c4
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@ -8460,6 +8460,7 @@ DRM DRIVER FOR RAYDIUM RM69220 PANELS
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M: Alexander Koskovich <akoskovich@pm.me>
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S: Maintained
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F: Documentation/devicetree/bindings/display/panel/raydium,rm69220.yaml
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F: drivers/gpu/drm/panel/panel-raydium-rm69220.c
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DRM DRIVER FOR SAMSUNG DB7430 PANELS
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M: Linus Walleij <linusw@kernel.org>
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@ -861,6 +861,21 @@ config DRM_PANEL_RAYDIUM_RM692E5
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Say Y here if you want to enable support for Raydium RM692E5-based
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display panels, such as the one found in the Fairphone 5 smartphone.
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config DRM_PANEL_RAYDIUM_RM69220
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tristate "Raydium RM69220-based DSI panel"
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depends on OF
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depends on DRM_MIPI_DSI
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depends on BACKLIGHT_CLASS_DEVICE
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select DRM_DISPLAY_DSC_HELPER
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select DRM_DISPLAY_HELPER
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help
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Say Y here if you want to enable support for Raydium RM69220-based
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display panels, such as the BOE BF068MWM-TD0 which can be found in
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the Nothing Phone (3a).
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To compile this driver as a module, choose M here: the module
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will be called panel-raydium-rm69220.
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config DRM_PANEL_RAYDIUM_RM69380
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tristate "Raydium RM69380-based DSI panel"
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depends on GPIOLIB
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@ -84,6 +84,7 @@ obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM67191) += panel-raydium-rm67191.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM67200) += panel-raydium-rm67200.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM68200) += panel-raydium-rm68200.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM692E5) += panel-raydium-rm692e5.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM69220) += panel-raydium-rm69220.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM69380) += panel-raydium-rm69380.o
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obj-$(CONFIG_DRM_PANEL_RENESAS_R61307) += panel-renesas-r61307.o
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obj-$(CONFIG_DRM_PANEL_RENESAS_R63419) += panel-renesas-r63419.o
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417
drivers/gpu/drm/panel/panel-raydium-rm69220.c
Normal file
417
drivers/gpu/drm/panel/panel-raydium-rm69220.c
Normal file
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@ -0,0 +1,417 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree.
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* Copyright (c) 2026 Alexander Koskovich <akoskovich@pm.me>
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*/
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#include <linux/backlight.h>
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#include <linux/delay.h>
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#include <linux/device-id/of.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <linux/regulator/consumer.h>
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#include <video/mipi_display.h>
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#include <drm/display/drm_dsc.h>
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#include <drm/display/drm_dsc_helper.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_panel.h>
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#include <drm/drm_probe_helper.h>
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struct raydium_rm69220 {
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struct drm_panel panel;
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struct mipi_dsi_device *dsi;
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struct drm_dsc_config dsc;
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struct regulator_bulk_data *supplies;
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struct gpio_desc *reset_gpio;
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};
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static const struct regulator_bulk_data raydium_rm69220_supplies[] = {
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{ .supply = "vddio" },
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{ .supply = "dvdd" },
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{ .supply = "vci" },
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};
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static inline
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struct raydium_rm69220 *to_raydium_rm69220(struct drm_panel *panel)
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{
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return container_of(panel, struct raydium_rm69220, panel);
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}
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static void raydium_rm69220_reset(struct raydium_rm69220 *ctx)
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{
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gpiod_set_value_cansleep(ctx->reset_gpio, 0);
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usleep_range(1000, 2000);
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gpiod_set_value_cansleep(ctx->reset_gpio, 1);
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usleep_range(1000, 2000);
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gpiod_set_value_cansleep(ctx->reset_gpio, 0);
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msleep(32);
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}
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static int raydium_rm69220_on(struct raydium_rm69220 *ctx)
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{
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struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x76);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9a, 0x10);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9b, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x77);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9a, 0x10);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9b, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x78);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9a, 0x10);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9b, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x79);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9a, 0xf0);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x9b, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x74);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1a, 0xe0);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1b, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x40);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xa9, 0x68);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xab, 0x22);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x40);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc0, 0xa6);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbf, 0x87);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x82);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x00, 0x90);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xd4);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x61, 0x08);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xa2, 0x04);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfa, 0x01);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xd2);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x97, 0x08);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x36, 0x11);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x39, 0xab);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3a, 0x30);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3b, 0x80);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3d, 0x09);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3f, 0x58);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x40, 0x04);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x41, 0x38);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x42, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x43, 0x0d);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x44, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x45, 0x1c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x46, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x47, 0x1c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x48, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x49, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4a, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4b, 0x0e);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4d, 0x20);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4e, 0x01);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4f, 0x39);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x50, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x51, 0x07);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x53, 0x0c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x54, 0x08);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x55, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x56, 0x07);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x58, 0xd3);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x59, 0x18);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5a, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5b, 0x10);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5c, 0xf0);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5d, 0x07);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5e, 0x10);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5f, 0x20);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x60, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x61, 0x06);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x62, 0x0f);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x63, 0x0f);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x64, 0x33);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x65, 0x0e);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x66, 0x1c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x67, 0x2a);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x68, 0x38);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x69, 0x46);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6a, 0x54);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6b, 0x62);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6c, 0x69);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6d, 0x70);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6e, 0x77);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x79);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x70, 0x7b);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x71, 0x7d);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x72, 0x7e);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x73, 0x01);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x74, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x75, 0x22);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x76, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x77, 0x2a);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x78, 0x40);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x79, 0x2a);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7a, 0xbe);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7b, 0x3a);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7c, 0xfc);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7d, 0x3a);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7e, 0xfa);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7f, 0x3a);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x80, 0xf8);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x81, 0x3b);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x82, 0x38);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x83, 0x3b);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x84, 0x78);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x85, 0x3b);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x86, 0xb6);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x87, 0x4b);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x88, 0xf6);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x89, 0x4c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x8a, 0x34);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x8b, 0x4c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x8c, 0x74);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x8d, 0x5c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x8e, 0x74);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x8f, 0x8c);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x90, 0xf4);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x91, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x92, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x93, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x94, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x95, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x96, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xa0);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x66, 0x06);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x49);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x87, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3f, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xa0);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x07);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4b, 0x40);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4d, 0x40);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0xa1);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x58, 0x67);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x75, 0xa7);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x2f, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfa, 0x01);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc1, 0x03);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc2, 0x03);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x35, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x51, 0x0d, 0xbb);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfe, 0x00);
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mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, 80);
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mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
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mipi_dsi_usleep_range(&dsi_ctx, 10000, 11000);
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return dsi_ctx.accum_err;
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}
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static int raydium_rm69220_off(struct raydium_rm69220 *ctx)
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{
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struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
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mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, 100);
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mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, 100);
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return dsi_ctx.accum_err;
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||||
}
|
||||
|
||||
static int raydium_rm69220_prepare(struct drm_panel *panel)
|
||||
{
|
||||
struct raydium_rm69220 *ctx = to_raydium_rm69220(panel);
|
||||
struct device *dev = &ctx->dsi->dev;
|
||||
struct drm_dsc_picture_parameter_set pps;
|
||||
int ret;
|
||||
|
||||
ret = regulator_bulk_enable(ARRAY_SIZE(raydium_rm69220_supplies), ctx->supplies);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "Failed to enable regulators: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
raydium_rm69220_reset(ctx);
|
||||
|
||||
ret = raydium_rm69220_on(ctx);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "Failed to initialize panel: %d\n", ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
drm_dsc_pps_payload_pack(&pps, &ctx->dsc);
|
||||
|
||||
ret = mipi_dsi_picture_parameter_set(ctx->dsi, &pps);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "failed to transmit PPS: %d\n", ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = mipi_dsi_compression_mode(ctx->dsi, true);
|
||||
if (ret < 0) {
|
||||
dev_err(dev, "failed to enable compression mode: %d\n", ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
msleep(28);
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
gpiod_set_value_cansleep(ctx->reset_gpio, 1);
|
||||
regulator_bulk_disable(ARRAY_SIZE(raydium_rm69220_supplies), ctx->supplies);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int raydium_rm69220_unprepare(struct drm_panel *panel)
|
||||
{
|
||||
struct raydium_rm69220 *ctx = to_raydium_rm69220(panel);
|
||||
struct device *dev = &ctx->dsi->dev;
|
||||
int ret;
|
||||
|
||||
ret = raydium_rm69220_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(raydium_rm69220_supplies), ctx->supplies);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct drm_display_mode raydium_rm69220_mode = {
|
||||
.clock = (1080 + 36 + 4 + 36) * (2392 + 72 + 4 + 52) * 120 / 1000,
|
||||
.hdisplay = 1080,
|
||||
.hsync_start = 1080 + 36,
|
||||
.hsync_end = 1080 + 36 + 4,
|
||||
.htotal = 1080 + 36 + 4 + 36,
|
||||
.vdisplay = 2392,
|
||||
.vsync_start = 2392 + 72,
|
||||
.vsync_end = 2392 + 72 + 4,
|
||||
.vtotal = 2392 + 72 + 4 + 52,
|
||||
.width_mm = 71,
|
||||
.height_mm = 157,
|
||||
.type = DRM_MODE_TYPE_DRIVER,
|
||||
};
|
||||
|
||||
static int raydium_rm69220_get_modes(struct drm_panel *panel,
|
||||
struct drm_connector *connector)
|
||||
{
|
||||
return drm_connector_helper_get_modes_fixed(connector, &raydium_rm69220_mode);
|
||||
}
|
||||
|
||||
static const struct drm_panel_funcs raydium_rm69220_panel_funcs = {
|
||||
.prepare = raydium_rm69220_prepare,
|
||||
.unprepare = raydium_rm69220_unprepare,
|
||||
.get_modes = raydium_rm69220_get_modes,
|
||||
};
|
||||
|
||||
static int raydium_rm69220_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 raydium_rm69220_bl_ops = {
|
||||
.update_status = raydium_rm69220_bl_update_status,
|
||||
};
|
||||
|
||||
static struct backlight_device *
|
||||
raydium_rm69220_create_backlight(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct device *dev = &dsi->dev;
|
||||
const struct backlight_properties props = {
|
||||
.type = BACKLIGHT_RAW,
|
||||
.brightness = 2946,
|
||||
.max_brightness = 3442, /* 4095 is HBM max */
|
||||
};
|
||||
|
||||
return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
|
||||
&raydium_rm69220_bl_ops, &props);
|
||||
}
|
||||
|
||||
static int raydium_rm69220_probe(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct device *dev = &dsi->dev;
|
||||
struct raydium_rm69220 *ctx;
|
||||
int ret;
|
||||
|
||||
ctx = devm_drm_panel_alloc(dev, struct raydium_rm69220, panel,
|
||||
&raydium_rm69220_panel_funcs,
|
||||
DRM_MODE_CONNECTOR_DSI);
|
||||
if (IS_ERR(ctx))
|
||||
return PTR_ERR(ctx);
|
||||
|
||||
ret = devm_regulator_bulk_get_const(dev,
|
||||
ARRAY_SIZE(raydium_rm69220_supplies),
|
||||
raydium_rm69220_supplies,
|
||||
&ctx->supplies);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
|
||||
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;
|
||||
|
||||
dsi->lanes = 4;
|
||||
dsi->format = MIPI_DSI_FMT_RGB101010;
|
||||
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_NO_EOT_PACKET |
|
||||
MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM |
|
||||
MIPI_DSI_MODE_DSC_ALL_SLICES_IN_PKT;
|
||||
|
||||
ctx->panel.prepare_prev_first = true;
|
||||
|
||||
ctx->panel.backlight = raydium_rm69220_create_backlight(dsi);
|
||||
if (IS_ERR(ctx->panel.backlight))
|
||||
return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
|
||||
"Failed to create backlight\n");
|
||||
|
||||
ret = devm_drm_panel_add(dev, &ctx->panel);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* This panel only supports DSC; unconditionally enable it */
|
||||
dsi->dsc = &ctx->dsc;
|
||||
|
||||
ctx->dsc.dsc_version_major = 1;
|
||||
ctx->dsc.dsc_version_minor = 1;
|
||||
ctx->dsc.slice_height = 13;
|
||||
ctx->dsc.slice_width = 540;
|
||||
|
||||
ctx->dsc.slice_count = 1080 / ctx->dsc.slice_width;
|
||||
ctx->dsc.bits_per_component = 10;
|
||||
ctx->dsc.bits_per_pixel = 8 << 4; /* 4 fractional bits */
|
||||
ctx->dsc.block_pred_enable = true;
|
||||
|
||||
return devm_mipi_dsi_attach(dev, dsi);
|
||||
}
|
||||
|
||||
static const struct of_device_id raydium_rm69220_of_match[] = {
|
||||
{ .compatible = "boe,bf068mwm-td0" },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, raydium_rm69220_of_match);
|
||||
|
||||
static struct mipi_dsi_driver raydium_rm69220_driver = {
|
||||
.probe = raydium_rm69220_probe,
|
||||
.driver = {
|
||||
.name = "panel-raydium-rm69220",
|
||||
.of_match_table = raydium_rm69220_of_match,
|
||||
},
|
||||
};
|
||||
module_mipi_dsi_driver(raydium_rm69220_driver);
|
||||
|
||||
MODULE_AUTHOR("Alexander Koskovich <akoskovich@pm.me>");
|
||||
MODULE_DESCRIPTION("DRM driver for RM69220-equipped DSI panels");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue
Block a user