1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * ZynqMP DPSUB Subsystem 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_DPSUB_H_
13#define _ZYNQMP_DPSUB_H_
14
15struct clk;
16struct device;
17struct drm_bridge;
18struct zynqmp_disp;
19struct zynqmp_disp_layer;
20struct zynqmp_dp;
21struct zynqmp_dpsub_drm;
22
23#define ZYNQMP_DPSUB_NUM_LAYERS				2
24
25enum zynqmp_dpsub_port {
26	ZYNQMP_DPSUB_PORT_LIVE_VIDEO,
27	ZYNQMP_DPSUB_PORT_LIVE_GFX,
28	ZYNQMP_DPSUB_PORT_LIVE_AUDIO,
29	ZYNQMP_DPSUB_PORT_OUT_VIDEO,
30	ZYNQMP_DPSUB_PORT_OUT_AUDIO,
31	ZYNQMP_DPSUB_PORT_OUT_DP,
32	ZYNQMP_DPSUB_NUM_PORTS,
33};
34
35enum zynqmp_dpsub_format {
36	ZYNQMP_DPSUB_FORMAT_RGB,
37	ZYNQMP_DPSUB_FORMAT_YCRCB444,
38	ZYNQMP_DPSUB_FORMAT_YCRCB422,
39	ZYNQMP_DPSUB_FORMAT_YONLY,
40};
41
42/**
43 * struct zynqmp_dpsub - ZynqMP DisplayPort Subsystem
 
44 * @dev: The physical device
45 * @apb_clk: The APB clock
46 * @vid_clk: Video clock
47 * @vid_clk_from_ps: True of the video clock comes from PS, false from PL
48 * @aud_clk: Audio clock
49 * @aud_clk_from_ps: True of the audio clock comes from PS, false from PL
50 * @connected_ports: Bitmask of connected ports in the device tree
51 * @dma_enabled: True if the DMA interface is enabled, false if the DPSUB is
52 *	driven by the live input
53 * @drm: The DRM/KMS device data
54 * @bridge: The DP encoder bridge
55 * @disp: The display controller
56 * @layers: Video and graphics layers
57 * @dp: The DisplayPort controller
58 * @dma_align: DMA alignment constraint (must be a power of 2)
59 */
60struct zynqmp_dpsub {
 
61	struct device *dev;
62
63	struct clk *apb_clk;
64	struct clk *vid_clk;
65	bool vid_clk_from_ps;
66	struct clk *aud_clk;
67	bool aud_clk_from_ps;
68
69	unsigned int connected_ports;
70	bool dma_enabled;
71
72	struct zynqmp_dpsub_drm *drm;
73	struct drm_bridge *bridge;
74
75	struct zynqmp_disp *disp;
76	struct zynqmp_disp_layer *layers[ZYNQMP_DPSUB_NUM_LAYERS];
77	struct zynqmp_dp *dp;
78
79	unsigned int dma_align;
80};
81
82bool zynqmp_dpsub_audio_enabled(struct zynqmp_dpsub *dpsub);
83unsigned int zynqmp_dpsub_get_audio_clk_rate(struct zynqmp_dpsub *dpsub);
84
85void zynqmp_dpsub_release(struct zynqmp_dpsub *dpsub);
86
87#endif /* _ZYNQMP_DPSUB_H_ */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * ZynqMP DPSUB Subsystem 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_DPSUB_H_
13#define _ZYNQMP_DPSUB_H_
14
15struct clk;
16struct device;
17struct drm_device;
18struct zynqmp_disp;
 
19struct zynqmp_dp;
 
 
 
 
 
 
 
 
 
 
 
 
 
20
21enum zynqmp_dpsub_format {
22	ZYNQMP_DPSUB_FORMAT_RGB,
23	ZYNQMP_DPSUB_FORMAT_YCRCB444,
24	ZYNQMP_DPSUB_FORMAT_YCRCB422,
25	ZYNQMP_DPSUB_FORMAT_YONLY,
26};
27
28/**
29 * struct zynqmp_dpsub - ZynqMP DisplayPort Subsystem
30 * @drm: The DRM/KMS device
31 * @dev: The physical device
32 * @apb_clk: The APB clock
 
 
 
 
 
 
 
 
 
33 * @disp: The display controller
 
34 * @dp: The DisplayPort controller
35 * @dma_align: DMA alignment constraint (must be a power of 2)
36 */
37struct zynqmp_dpsub {
38	struct drm_device drm;
39	struct device *dev;
40
41	struct clk *apb_clk;
 
 
 
 
 
 
 
 
 
 
42
43	struct zynqmp_disp *disp;
 
44	struct zynqmp_dp *dp;
45
46	unsigned int dma_align;
47};
48
49static inline struct zynqmp_dpsub *to_zynqmp_dpsub(struct drm_device *drm)
50{
51	return container_of(drm, struct zynqmp_dpsub, drm);
52}
53
54#endif /* _ZYNQMP_DPSUB_H_ */