1/*
 2 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
 3 *
 4 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
 5 *
 6 * This program is free software; you can redistribute it and/or
 7 * modify it under the terms of the GNU General Public License
 8 * as published by the Free Software Foundation; either version 2
 9 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef __MXSFB_DRV_H__
17#define __MXSFB_DRV_H__
18
19struct mxsfb_devdata {
20	unsigned int	 transfer_count;
21	unsigned int	 cur_buf;
22	unsigned int	 next_buf;
23	unsigned int	 debug0;
24	unsigned int	 hs_wdth_mask;
25	unsigned int	 hs_wdth_shift;
26	unsigned int	 ipversion;
27};
28
29struct mxsfb_drm_private {
30	const struct mxsfb_devdata	*devdata;
31
32	void __iomem			*base;	/* registers */
33	struct clk			*clk;
34	struct clk			*clk_axi;
35	struct clk			*clk_disp_axi;
36
37	struct drm_simple_display_pipe	pipe;
38	struct drm_connector		connector;
39	struct drm_panel		*panel;
40	struct drm_fbdev_cma		*fbdev;
41};
42
43int mxsfb_setup_crtc(struct drm_device *dev);
44int mxsfb_create_output(struct drm_device *dev);
45
46void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
47void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
48
49void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb);
50void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb);
51void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
52			       struct drm_plane_state *state);
53
54#endif /* __MXSFB_DRV_H__ */