xref: /openbmc/linux/drivers/gpu/drm/kmb/kmb_plane.h (revision c4f7ac64)
1 /* SPDX-License-Identifier: GPL-2.0-only
2  *
3  * Copyright © 2018-2020 Intel Corporation
4  */
5 
6 #ifndef __KMB_PLANE_H__
7 #define __KMB_PLANE_H__
8 
9 #include <drm/drm_fourcc.h>
10 #include <drm/drm_plane.h>
11 
12 #define LCD_INT_VL0_ERR ((LAYER0_DMA_FIFO_UNDERFLOW) | \
13 			(LAYER0_DMA_FIFO_OVERFLOW) | \
14 			(LAYER0_DMA_CB_FIFO_OVERFLOW) | \
15 			(LAYER0_DMA_CB_FIFO_UNDERFLOW) | \
16 			(LAYER0_DMA_CR_FIFO_OVERFLOW) | \
17 			(LAYER0_DMA_CR_FIFO_UNDERFLOW))
18 
19 #define LCD_INT_VL1_ERR ((LAYER1_DMA_FIFO_UNDERFLOW) | \
20 			(LAYER1_DMA_FIFO_OVERFLOW) | \
21 			(LAYER1_DMA_CB_FIFO_OVERFLOW) | \
22 			(LAYER1_DMA_CB_FIFO_UNDERFLOW) | \
23 			(LAYER1_DMA_CR_FIFO_OVERFLOW) | \
24 			(LAYER1_DMA_CR_FIFO_UNDERFLOW))
25 
26 #define LCD_INT_GL0_ERR (LAYER2_DMA_FIFO_OVERFLOW | LAYER2_DMA_FIFO_UNDERFLOW)
27 #define LCD_INT_GL1_ERR (LAYER3_DMA_FIFO_OVERFLOW | LAYER3_DMA_FIFO_UNDERFLOW)
28 #define LCD_INT_VL0 (LAYER0_DMA_DONE | LAYER0_DMA_IDLE | LCD_INT_VL0_ERR)
29 #define LCD_INT_VL1 (LAYER1_DMA_DONE | LAYER1_DMA_IDLE | LCD_INT_VL1_ERR)
30 #define LCD_INT_GL0 (LAYER2_DMA_DONE | LAYER2_DMA_IDLE | LCD_INT_GL0_ERR)
31 #define LCD_INT_GL1 (LAYER3_DMA_DONE | LAYER3_DMA_IDLE | LCD_INT_GL1_ERR)
32 #define LCD_INT_DMA_ERR (LCD_INT_VL0_ERR | LCD_INT_VL1_ERR \
33 		| LCD_INT_GL0_ERR | LCD_INT_GL1_ERR)
34 
35 #define POSSIBLE_CRTCS 1
36 #define to_kmb_plane(x) container_of(x, struct kmb_plane, base_plane)
37 
38 enum layer_id {
39 	LAYER_0,
40 	LAYER_1,
41 	LAYER_2,
42 	LAYER_3,
43 	/* KMB_MAX_PLANES */
44 };
45 
46 #define KMB_MAX_PLANES 1
47 
48 enum sub_plane_id {
49 	Y_PLANE,
50 	U_PLANE,
51 	V_PLANE,
52 	MAX_SUB_PLANES,
53 };
54 
55 struct kmb_plane {
56 	struct drm_plane base_plane;
57 	unsigned char id;
58 };
59 
60 struct layer_status {
61 	bool disable;
62 	u32 ctrl;
63 };
64 
65 struct kmb_plane *kmb_plane_init(struct drm_device *drm);
66 void kmb_plane_destroy(struct drm_plane *plane);
67 #endif /* __KMB_PLANE_H__ */
68