Merge branch 'topic/xehp-dg2-definitions-2021-07-21' into drm-intel-gt-next
[linux-2.6-microblaze.git] / drivers / gpu / drm / mxsfb / 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
16 struct clk;
17
18 struct 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 };
26
27 struct mxsfb_drm_private {
28         const struct mxsfb_devdata      *devdata;
29
30         void __iomem                    *base;  /* registers */
31         struct clk                      *clk;
32         struct clk                      *clk_axi;
33         struct clk                      *clk_disp_axi;
34
35         struct drm_device               *drm;
36         struct {
37                 struct drm_plane        primary;
38                 struct drm_plane        overlay;
39         } planes;
40         struct drm_crtc                 crtc;
41         struct drm_encoder              encoder;
42         struct drm_connector            *connector;
43         struct drm_bridge               *bridge;
44 };
45
46 static inline struct mxsfb_drm_private *
47 to_mxsfb_drm_private(struct drm_device *drm)
48 {
49         return drm->dev_private;
50 }
51
52 void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
53 void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
54
55 int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb);
56
57 #endif /* __MXSFB_DRV_H__ */