blob: 5d0883fc805bc1e7822e9caa1903e05d786f0ba4 [file] [log] [blame]
Marek Vasut45d59d72016-08-18 20:23:01 +02001/*
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__ */