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#define POSSIBLE_CRTCS 1
39#define KMB_MAX_PLANES 2
40
41enum layer_id {
42 LAYER_0,
43 LAYER_1,
44 LAYER_2,
45 LAYER_3,
46 /* KMB_MAX_PLANES */
47};
48
49enum sub_plane_id {
50 Y_PLANE,
51 U_PLANE,
52 V_PLANE,
53 MAX_SUB_PLANES,
54};
55
56struct kmb_plane {
57 struct drm_plane base_plane;
58 unsigned char id;
59};
60
61struct layer_status {
62 bool disable;
63 u32 ctrl;
64};
65
66struct disp_cfg {
67 unsigned int width;
68 unsigned int height;
69 unsigned int format;
70};
71
72struct kmb_plane *kmb_plane_init(struct drm_device *drm);
73void kmb_plane_destroy(struct drm_plane *plane);
74#endif /* __KMB_PLANE_H__ */
75

source code of linux/drivers/gpu/drm/kmb/kmb_plane.h