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