1 /* exynos_drm.h
2  *
3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4  * Authors:
5  *	Inki Dae <inki.dae@samsung.com>
6  *	Joonyoung Shim <jy0922.shim@samsung.com>
7  *	Seung-Woo Kim <sw0312.kim@samsung.com>
8  *
9  * This program is free software; you can redistribute  it and/or modify it
10  * under  the terms of  the GNU General  Public License as published by the
11  * Free Software Foundation;  either version 2 of the  License, or (at your
12  * option) any later version.
13  */
14 #ifndef _EXYNOS_DRM_H_
15 #define _EXYNOS_DRM_H_
16 
17 #include <uapi/drm/exynos_drm.h>
18 #include <video/videomode.h>
19 
20 /**
21  * A structure for lcd panel information.
22  *
23  * @timing: default video mode for initializing
24  * @width_mm: physical size of lcd width.
25  * @height_mm: physical size of lcd height.
26  */
27 struct exynos_drm_panel_info {
28 	struct videomode vm;
29 	u32 width_mm;
30 	u32 height_mm;
31 };
32 
33 /**
34  * Platform Specific Structure for DRM based FIMD.
35  *
36  * @panel: default panel info for initializing
37  * @default_win: default window layer number to be used for UI.
38  * @bpp: default bit per pixel.
39  */
40 struct exynos_drm_fimd_pdata {
41 	struct exynos_drm_panel_info panel;
42 	u32				vidcon0;
43 	u32				vidcon1;
44 	unsigned int			default_win;
45 	unsigned int			bpp;
46 };
47 
48 /**
49  * Platform Specific Structure for DRM based HDMI.
50  *
51  * @hdmi_dev: device point to specific hdmi driver.
52  * @mixer_dev: device point to specific mixer driver.
53  *
54  * this structure is used for common hdmi driver and each device object
55  * would be used to access specific device driver(hdmi or mixer driver)
56  */
57 struct exynos_drm_common_hdmi_pd {
58 	struct device *hdmi_dev;
59 	struct device *mixer_dev;
60 };
61 
62 /**
63  * Platform Specific Structure for DRM based HDMI core.
64  *
65  * @is_v13: set if hdmi version 13 is.
66  * @cfg_hpd: function pointer to configure hdmi hotplug detection pin
67  * @get_hpd: function pointer to get value of hdmi hotplug detection pin
68  */
69 struct exynos_drm_hdmi_pdata {
70 	bool is_v13;
71 	void (*cfg_hpd)(bool external);
72 	int (*get_hpd)(void);
73 };
74 
75 /**
76  * Platform Specific Structure for DRM based IPP.
77  *
78  * @inv_pclk: if set 1. invert pixel clock
79  * @inv_vsync: if set 1. invert vsync signal for wb
80  * @inv_href: if set 1. invert href signal
81  * @inv_hsync: if set 1. invert hsync signal for wb
82  */
83 struct exynos_drm_ipp_pol {
84 	unsigned int inv_pclk;
85 	unsigned int inv_vsync;
86 	unsigned int inv_href;
87 	unsigned int inv_hsync;
88 };
89 
90 /**
91  * Platform Specific Structure for DRM based FIMC.
92  *
93  * @pol: current hardware block polarity settings.
94  * @clk_rate: current hardware clock rate.
95  */
96 struct exynos_drm_fimc_pdata {
97 	struct exynos_drm_ipp_pol pol;
98 	int clk_rate;
99 };
100 
101 #endif	/* _EXYNOS_DRM_H_ */
102