1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
5 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
8 #ifndef __MXSFB_DRV_H__
9 #define __MXSFB_DRV_H__
11 #include <drm/drm_crtc.h>
12 #include <drm/drm_device.h>
13 #include <drm/drm_encoder.h>
14 #include <drm/drm_plane.h>
18 struct mxsfb_devdata {
19 unsigned int transfer_count;
21 unsigned int next_buf;
22 unsigned int hs_wdth_mask;
23 unsigned int hs_wdth_shift;
27 struct mxsfb_drm_private {
28 const struct mxsfb_devdata *devdata;
30 void __iomem *base; /* registers */
33 struct clk *clk_disp_axi;
35 struct drm_device *drm;
37 struct drm_plane primary;
38 struct drm_plane overlay;
41 struct drm_encoder encoder;
42 struct drm_connector *connector;
43 struct drm_bridge *bridge;
46 static inline struct mxsfb_drm_private *
47 to_mxsfb_drm_private(struct drm_device *drm)
49 return drm->dev_private;
52 void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
53 void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
55 int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb);
57 #endif /* __MXSFB_DRV_H__ */