diff options
Diffstat (limited to 'drivers/gpu/drm/xlnx/zynqmp_disp.h')
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_disp.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.h b/drivers/gpu/drm/xlnx/zynqmp_disp.h new file mode 100644 index 000000000..f402901af --- /dev/null +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ZynqMP Display Driver + * + * Copyright (C) 2017 - 2020 Xilinx, Inc. + * + * Authors: + * - Hyun Woo Kwon <hyun.kwon@xilinx.com> + * - Laurent Pinchart <laurent.pinchart@ideasonboard.com> + */ + +#ifndef _ZYNQMP_DISP_H_ +#define _ZYNQMP_DISP_H_ + +#include <linux/types.h> + +/* + * 3840x2160 is advertised as the maximum resolution, but almost any + * resolutions under a 300Mhz pixel rate would work. Pick 4096x4096. + */ +#define ZYNQMP_DISP_MAX_WIDTH 4096 +#define ZYNQMP_DISP_MAX_HEIGHT 4096 + +/* The DPDMA is limited to 44 bit addressing. */ +#define ZYNQMP_DISP_MAX_DMA_BIT 44 + +struct device; +struct drm_device; +struct platform_device; +struct zynqmp_disp; +struct zynqmp_dpsub; + +void zynqmp_disp_handle_vblank(struct zynqmp_disp *disp); +bool zynqmp_disp_audio_enabled(struct zynqmp_disp *disp); +unsigned int zynqmp_disp_get_audio_clk_rate(struct zynqmp_disp *disp); +uint32_t zynqmp_disp_get_crtc_mask(struct zynqmp_disp *disp); + +int zynqmp_disp_drm_init(struct zynqmp_dpsub *dpsub); +int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub, struct drm_device *drm); +void zynqmp_disp_remove(struct zynqmp_dpsub *dpsub); + +#endif /* _ZYNQMP_DISP_H_ */ |