Linux-libre 5.3.12-gnu
[librecmc/linux-libre.git] / drivers / gpu / drm / zte / zx_vou.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2016 Linaro Ltd.
4  * Copyright 2016 ZTE Corporation.
5  */
6
7 #ifndef __ZX_VOU_H__
8 #define __ZX_VOU_H__
9
10 #define VOU_CRTC_MASK           0x3
11
12 /* VOU output interfaces */
13 enum vou_inf_id {
14         VOU_HDMI        = 0,
15         VOU_RGB_LCD     = 1,
16         VOU_TV_ENC      = 2,
17         VOU_MIPI_DSI    = 3,
18         VOU_LVDS        = 4,
19         VOU_VGA         = 5,
20 };
21
22 enum vou_inf_hdmi_audio {
23         VOU_HDMI_AUD_SPDIF      = BIT(0),
24         VOU_HDMI_AUD_I2S        = BIT(1),
25         VOU_HDMI_AUD_DSD        = BIT(2),
26         VOU_HDMI_AUD_HBR        = BIT(3),
27         VOU_HDMI_AUD_PARALLEL   = BIT(4),
28 };
29
30 void vou_inf_hdmi_audio_sel(struct drm_crtc *crtc,
31                             enum vou_inf_hdmi_audio aud);
32 void vou_inf_enable(enum vou_inf_id id, struct drm_crtc *crtc);
33 void vou_inf_disable(enum vou_inf_id id, struct drm_crtc *crtc);
34
35 enum vou_div_id {
36         VOU_DIV_VGA,
37         VOU_DIV_PIC,
38         VOU_DIV_TVENC,
39         VOU_DIV_HDMI_PNX,
40         VOU_DIV_HDMI,
41         VOU_DIV_INF,
42         VOU_DIV_LAYER,
43 };
44
45 enum vou_div_val {
46         VOU_DIV_1 = 0,
47         VOU_DIV_2 = 1,
48         VOU_DIV_4 = 3,
49         VOU_DIV_8 = 7,
50 };
51
52 struct vou_div_config {
53         enum vou_div_id id;
54         enum vou_div_val val;
55 };
56
57 void zx_vou_config_dividers(struct drm_crtc *crtc,
58                             struct vou_div_config *configs, int num);
59
60 void zx_vou_layer_enable(struct drm_plane *plane);
61 void zx_vou_layer_disable(struct drm_plane *plane,
62                           struct drm_plane_state *old_state);
63
64 #endif /* __ZX_VOU_H__ */