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/* 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_
#include <linux/types.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_audio;
/**
* 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
* @layers: Video and graphics layers
* @dp: The DisplayPort controller
* @dma_align: DMA alignment constraint (must be a power of 2)
* @audio: DP audio data
*/
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;
struct zynqmp_dpsub_audio *audio;
};
#ifdef CONFIG_DRM_ZYNQMP_DPSUB_AUDIO
int zynqmp_audio_init(struct zynqmp_dpsub *dpsub);
void zynqmp_audio_uninit(struct zynqmp_dpsub *dpsub);
#else
static inline int zynqmp_audio_init(struct zynqmp_dpsub *dpsub) { return 0; }
static inline void zynqmp_audio_uninit(struct zynqmp_dpsub *dpsub) { }
#endif
void zynqmp_dpsub_release(struct zynqmp_dpsub *dpsub);
#endif /* _ZYNQMP_DPSUB_H_ */
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