tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * ZynqMP Display Driver
4 *
5 * Copyright (C) 2017 - 2020 Xilinx, Inc.
6 *
7 * Authors:
8 * - Hyun Woo Kwon <hyun.kwon@xilinx.com>
9 * - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 */
11
12#ifndef _ZYNQMP_DISP_H_
13#define _ZYNQMP_DISP_H_
14
15#include <linux/types.h>
16
17/*
18 * 3840x2160 is advertised as the maximum resolution, but almost any
19 * resolutions under a 300Mhz pixel rate would work. Pick 4096x4096.
20 */
21#define ZYNQMP_DISP_MAX_WIDTH 4096
22#define ZYNQMP_DISP_MAX_HEIGHT 4096
23
24/* The DPDMA is limited to 44 bit addressing. */
25#define ZYNQMP_DISP_MAX_DMA_BIT 44
26
27struct device;
28struct drm_format_info;
29struct drm_plane_state;
30struct platform_device;
31struct zynqmp_disp;
32struct zynqmp_disp_layer;
33struct zynqmp_dpsub;
34
35/**
36 * enum zynqmp_dpsub_layer_id - Layer identifier
37 * @ZYNQMP_DPSUB_LAYER_VID: Video layer
38 * @ZYNQMP_DPSUB_LAYER_GFX: Graphics layer
39 */
40enum zynqmp_dpsub_layer_id {
41 ZYNQMP_DPSUB_LAYER_VID,
42 ZYNQMP_DPSUB_LAYER_GFX,
43};
44
45void zynqmp_disp_enable(struct zynqmp_disp *disp);
46void zynqmp_disp_disable(struct zynqmp_disp *disp);
47int zynqmp_disp_setup_clock(struct zynqmp_disp *disp,
48 unsigned long mode_clock);
49
50void zynqmp_disp_blend_set_global_alpha(struct zynqmp_disp *disp,
51 bool enable, u32 alpha);
52
53u32 *zynqmp_disp_layer_drm_formats(struct zynqmp_disp_layer *layer,
54 unsigned int *num_formats);
55u32 *zynqmp_disp_live_layer_formats(struct zynqmp_disp_layer *layer,
56 unsigned int *num_formats);
57void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer);
58void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer);
59void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer,
60 const struct drm_format_info *info);
61void zynqmp_disp_layer_set_live_format(struct zynqmp_disp_layer *layer,
62 u32 media_bus_format);
63int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer,
64 struct drm_plane_state *state);
65
66int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub);
67void zynqmp_disp_remove(struct zynqmp_dpsub *dpsub);
68
69#endif /* _ZYNQMP_DISP_H_ */