/* SPDX-License-Identifier: GPL-2.0 */ /* * ZynqMP Display Driver * * Copyright (C) 2017 - 2020 Xilinx, Inc. * * Authors: * - Hyun Woo Kwon <hyun.kwon@xilinx.com> * - Laurent Pinchart <laurent.pinchart@ideasonboard.com> */ #ifndef _ZYNQMP_DISP_H_ #define _ZYNQMP_DISP_H_ #include <linux/types.h> /* * 3840x2160 is advertised as the maximum resolution, but almost any * resolutions under a 300Mhz pixel rate would work. Pick 4096x4096. */ #define ZYNQMP_DISP_MAX_WIDTH 4096 #define ZYNQMP_DISP_MAX_HEIGHT 4096 /* The DPDMA is limited to 44 bit addressing. */ #define ZYNQMP_DISP_MAX_DMA_BIT 44 struct device; struct drm_format_info; struct drm_plane_state; struct platform_device; struct zynqmp_disp; struct zynqmp_disp_layer; struct zynqmp_dpsub; /** * enum zynqmp_dpsub_layer_id - Layer identifier * @ZYNQMP_DPSUB_LAYER_VID: Video layer * @ZYNQMP_DPSUB_LAYER_GFX: Graphics layer */ enum zynqmp_dpsub_layer_id { ZYNQMP_DPSUB_LAYER_VID, ZYNQMP_DPSUB_LAYER_GFX, }; /** * enum zynqmp_dpsub_layer_mode - Layer mode * @ZYNQMP_DPSUB_LAYER_NONLIVE: non-live (memory) mode * @ZYNQMP_DPSUB_LAYER_LIVE: live (stream) mode */ enum zynqmp_dpsub_layer_mode { ZYNQMP_DPSUB_LAYER_NONLIVE, ZYNQMP_DPSUB_LAYER_LIVE, }; void zynqmp_disp_enable(struct zynqmp_disp *disp); void zynqmp_disp_disable(struct zynqmp_disp *disp); int zynqmp_disp_setup_clock(struct zynqmp_disp *disp, unsigned long mode_clock); void zynqmp_disp_blend_set_global_alpha(struct zynqmp_disp *disp, bool enable, u32 alpha); u32 *zynqmp_disp_layer_drm_formats(struct zynqmp_disp_layer *layer, unsigned int *num_formats); void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer, enum zynqmp_dpsub_layer_mode mode); void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer); void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer, const struct drm_format_info *info); int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer, struct drm_plane_state *state); int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub); void zynqmp_disp_remove(struct zynqmp_dpsub *dpsub); #endif /* _ZYNQMP_DISP_H_ */