1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
 4 *
 5 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
 6 */
 7
 8#ifndef __MXSFB_DRV_H__
 9#define __MXSFB_DRV_H__
10
 
 
 
 
 
 
 
11struct mxsfb_devdata {
12	unsigned int	 transfer_count;
13	unsigned int	 cur_buf;
14	unsigned int	 next_buf;
15	unsigned int	 debug0;
16	unsigned int	 hs_wdth_mask;
17	unsigned int	 hs_wdth_shift;
18	unsigned int	 ipversion;
 
19};
20
21struct mxsfb_drm_private {
22	const struct mxsfb_devdata	*devdata;
23
24	void __iomem			*base;	/* registers */
25	struct clk			*clk;
26	struct clk			*clk_axi;
27	struct clk			*clk_disp_axi;
28
29	struct drm_simple_display_pipe	pipe;
30	struct drm_connector		connector;
31	struct drm_panel		*panel;
 
 
 
 
 
 
 
 
 
 
32};
33
34int mxsfb_setup_crtc(struct drm_device *dev);
35int mxsfb_create_output(struct drm_device *dev);
 
 
 
36
37void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
38void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
39
40void mxsfb_crtc_enable(struct mxsfb_drm_private *mxsfb);
41void mxsfb_crtc_disable(struct mxsfb_drm_private *mxsfb);
42void mxsfb_plane_atomic_update(struct mxsfb_drm_private *mxsfb,
43			       struct drm_plane_state *state);
44
45#endif /* __MXSFB_DRV_H__ */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
 4 *
 5 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
 6 */
 7
 8#ifndef __MXSFB_DRV_H__
 9#define __MXSFB_DRV_H__
10
11#include <drm/drm_crtc.h>
12#include <drm/drm_device.h>
13#include <drm/drm_encoder.h>
14#include <drm/drm_plane.h>
15
16struct clk;
17
18struct mxsfb_devdata {
19	unsigned int	transfer_count;
20	unsigned int	cur_buf;
21	unsigned int	next_buf;
22	unsigned int	hs_wdth_mask;
23	unsigned int	hs_wdth_shift;
24	bool		has_overlay;
25	bool		has_ctrl2;
26	bool		has_crc32;
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	unsigned int			irq;
38
39	struct drm_device		*drm;
40	struct {
41		struct drm_plane	primary;
42		struct drm_plane	overlay;
43	} planes;
44	struct drm_crtc			crtc;
45	struct drm_encoder		encoder;
46	struct drm_connector		*connector;
47	struct drm_bridge		*bridge;
48
49	bool				crc_active;
50};
51
52static inline struct mxsfb_drm_private *
53to_mxsfb_drm_private(struct drm_device *drm)
54{
55	return drm->dev_private;
56}
57
58void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
59void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
60
61int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb);
 
 
 
62
63#endif /* __MXSFB_DRV_H__ */