LXR linux/drivers/gpu/drm/xlnx/zynqmp

   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_device;
  29struct platform_device;
  30struct zynqmp_disp;
  31struct zynqmp_dpsub;
  32
  33void zynqmp_disp_handle_vblank(struct zynqmp_disp *disp);
  34bool zynqmp_disp_audio_enabled(struct zynqmp_disp *disp);
  35unsigned int zynqmp_disp_get_audio_clk_rate(struct zynqmp_disp *disp);
  36uint32_t zynqmp_disp_get_crtc_mask(struct zynqmp_disp *disp);
  37
  38int zynqmp_disp_drm_init(struct zynqmp_dpsub *dpsub);
  39int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub, struct drm_device *drm);
  40void zynqmp_disp_remove(struct zynqmp_dpsub *dpsub);
  41
  42#endif /* _ZYNQMP_DISP_H_ */
  43