1 /*
2  * Copyright 2016 Linaro Ltd.
3  * Copyright 2016 ZTE Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  */
10 
11 #ifndef __ZX_VOU_H__
12 #define __ZX_VOU_H__
13 
14 #define VOU_CRTC_MASK		0x3
15 
16 /* VOU output interfaces */
17 enum vou_inf_id {
18 	VOU_HDMI	= 0,
19 	VOU_RGB_LCD	= 1,
20 	VOU_TV_ENC	= 2,
21 	VOU_MIPI_DSI	= 3,
22 	VOU_LVDS	= 4,
23 	VOU_VGA		= 5,
24 };
25 
26 enum vou_inf_hdmi_audio {
27 	VOU_HDMI_AUD_SPDIF	= BIT(0),
28 	VOU_HDMI_AUD_I2S	= BIT(1),
29 	VOU_HDMI_AUD_DSD	= BIT(2),
30 	VOU_HDMI_AUD_HBR	= BIT(3),
31 	VOU_HDMI_AUD_PARALLEL	= BIT(4),
32 };
33 
34 void vou_inf_hdmi_audio_sel(struct drm_crtc *crtc,
35 			    enum vou_inf_hdmi_audio aud);
36 void vou_inf_enable(enum vou_inf_id id, struct drm_crtc *crtc);
37 void vou_inf_disable(enum vou_inf_id id, struct drm_crtc *crtc);
38 
39 enum vou_div_id {
40 	VOU_DIV_VGA,
41 	VOU_DIV_PIC,
42 	VOU_DIV_TVENC,
43 	VOU_DIV_HDMI_PNX,
44 	VOU_DIV_HDMI,
45 	VOU_DIV_INF,
46 	VOU_DIV_LAYER,
47 };
48 
49 enum vou_div_val {
50 	VOU_DIV_1 = 0,
51 	VOU_DIV_2 = 1,
52 	VOU_DIV_4 = 3,
53 	VOU_DIV_8 = 7,
54 };
55 
56 struct vou_div_config {
57 	enum vou_div_id id;
58 	enum vou_div_val val;
59 };
60 
61 void zx_vou_config_dividers(struct drm_crtc *crtc,
62 			    struct vou_div_config *configs, int num);
63 
64 void zx_vou_layer_enable(struct drm_plane *plane);
65 void zx_vou_layer_disable(struct drm_plane *plane,
66 			  struct drm_plane_state *old_state);
67 
68 #endif /* __ZX_VOU_H__ */
69