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// SPDX-License-Identifier: GPL-2.0
/*
* Xilinx DRM crtc header
*
* Copyright (C) 2017 - 2018 Xilinx, Inc.
*
* Author: Hyun Woo Kwon <hyun.kwon@xilinx.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _XLNX_CRTC_H_
#define _XLNX_CRTC_H_
/**
* struct xlnx_crtc - Xilinx CRTC device
* @crtc: DRM CRTC device
* @list: list node for Xilinx CRTC device list
* @get_align: Get the alignment requirement of CRTC device
* @get_dma_mask: Get the dma mask of CRTC device
* @get_max_width: Get the maximum supported width
* @get_max_height: Get the maximum supported height
* @get_format: Get the current format of CRTC device
* @get_cursor_width: Get the cursor width
* @get_cursor_height: Get the cursor height
*/
struct xlnx_crtc {
struct drm_crtc crtc;
struct list_head list;
unsigned int (*get_align)(struct xlnx_crtc *crtc);
u64 (*get_dma_mask)(struct xlnx_crtc *crtc);
int (*get_max_width)(struct xlnx_crtc *crtc);
int (*get_max_height)(struct xlnx_crtc *crtc);
uint32_t (*get_format)(struct xlnx_crtc *crtc);
uint32_t (*get_cursor_width)(struct xlnx_crtc *crtc);
uint32_t (*get_cursor_height)(struct xlnx_crtc *crtc);
};
/*
* Helper functions: used within Xlnx DRM
*/
struct xlnx_crtc_helper;
unsigned int xlnx_crtc_helper_get_align(struct xlnx_crtc_helper *helper);
u64 xlnx_crtc_helper_get_dma_mask(struct xlnx_crtc_helper *helper);
int xlnx_crtc_helper_get_max_width(struct xlnx_crtc_helper *helper);
int xlnx_crtc_helper_get_max_height(struct xlnx_crtc_helper *helper);
uint32_t xlnx_crtc_helper_get_format(struct xlnx_crtc_helper *helper);
u32 xlnx_crtc_helper_get_cursor_width(struct xlnx_crtc_helper *helper);
u32 xlnx_crtc_helper_get_cursor_height(struct xlnx_crtc_helper *helper);
struct xlnx_crtc_helper *xlnx_crtc_helper_init(struct drm_device *drm);
void xlnx_crtc_helper_fini(struct drm_device *drm,
struct xlnx_crtc_helper *helper);
/*
* CRTC registration: used by other sub-driver modules
*/
static inline struct xlnx_crtc *to_xlnx_crtc(struct drm_crtc *crtc)
{
return container_of(crtc, struct xlnx_crtc, crtc);
}
void xlnx_crtc_register(struct drm_device *drm, struct xlnx_crtc *crtc);
void xlnx_crtc_unregister(struct drm_device *drm, struct xlnx_crtc *crtc);
#endif /* _XLNX_CRTC_H_ */
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