87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ZynqMP DPSUB Subsystem Driver
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*
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* Copyright (C) 2017 - 2020 Xilinx, Inc.
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*
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* Authors:
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* - Hyun Woo Kwon <hyun.kwon@xilinx.com>
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* - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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*/
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#ifndef _ZYNQMP_DPSUB_H_
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#define _ZYNQMP_DPSUB_H_
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struct clk;
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struct device;
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struct drm_bridge;
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struct zynqmp_disp;
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struct zynqmp_disp_layer;
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struct zynqmp_dp;
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struct zynqmp_dpsub_drm;
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#define ZYNQMP_DPSUB_NUM_LAYERS 2
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enum zynqmp_dpsub_port {
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ZYNQMP_DPSUB_PORT_LIVE_VIDEO,
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ZYNQMP_DPSUB_PORT_LIVE_GFX,
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ZYNQMP_DPSUB_PORT_LIVE_AUDIO,
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ZYNQMP_DPSUB_PORT_OUT_VIDEO,
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ZYNQMP_DPSUB_PORT_OUT_AUDIO,
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ZYNQMP_DPSUB_PORT_OUT_DP,
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ZYNQMP_DPSUB_NUM_PORTS,
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};
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enum zynqmp_dpsub_format {
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ZYNQMP_DPSUB_FORMAT_RGB,
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ZYNQMP_DPSUB_FORMAT_YCRCB444,
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ZYNQMP_DPSUB_FORMAT_YCRCB422,
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ZYNQMP_DPSUB_FORMAT_YONLY,
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};
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/**
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* struct zynqmp_dpsub - ZynqMP DisplayPort Subsystem
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* @dev: The physical device
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* @apb_clk: The APB clock
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* @vid_clk: Video clock
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* @vid_clk_from_ps: True of the video clock comes from PS, false from PL
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* @aud_clk: Audio clock
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* @aud_clk_from_ps: True of the audio clock comes from PS, false from PL
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* @connected_ports: Bitmask of connected ports in the device tree
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* @dma_enabled: True if the DMA interface is enabled, false if the DPSUB is
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* driven by the live input
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* @drm: The DRM/KMS device data
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* @bridge: The DP encoder bridge
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* @disp: The display controller
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* @dp: The DisplayPort controller
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* @dma_align: DMA alignment constraint (must be a power of 2)
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*/
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struct zynqmp_dpsub {
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struct device *dev;
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struct clk *apb_clk;
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struct clk *vid_clk;
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bool vid_clk_from_ps;
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struct clk *aud_clk;
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bool aud_clk_from_ps;
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unsigned int connected_ports;
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bool dma_enabled;
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struct zynqmp_dpsub_drm *drm;
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struct drm_bridge *bridge;
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struct zynqmp_disp *disp;
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struct zynqmp_disp_layer *layers[ZYNQMP_DPSUB_NUM_LAYERS];
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struct zynqmp_dp *dp;
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unsigned int dma_align;
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};
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bool zynqmp_dpsub_audio_enabled(struct zynqmp_dpsub *dpsub);
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unsigned int zynqmp_dpsub_get_audio_clk_rate(struct zynqmp_dpsub *dpsub);
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void zynqmp_dpsub_release(struct zynqmp_dpsub *dpsub);
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#endif /* _ZYNQMP_DPSUB_H_ */
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