tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) Rockchip Electronics Co., Ltd.
4 * Author:Mark Yao <mark.yao@rock-chips.com>
5 *
6 * based on exynos_drm_drv.h
7 */
8
9#ifndef _ROCKCHIP_DRM_DRV_H
10#define _ROCKCHIP_DRM_DRV_H
11
12#include <drm/drm_atomic_helper.h>
13#include <drm/drm_gem.h>
14
15#include <linux/bits.h>
16#include <linux/component.h>
17#include <linux/i2c.h>
18#include <linux/module.h>
19
20#define ROCKCHIP_MAX_FB_BUFFER 3
21#define ROCKCHIP_MAX_CONNECTOR 2
22#define ROCKCHIP_MAX_CRTC 4
23
24/*
25 * display output interface supported by rockchip lcdc
26 */
27#define ROCKCHIP_OUT_MODE_P888 0
28#define ROCKCHIP_OUT_MODE_BT1120 0
29#define ROCKCHIP_OUT_MODE_P666 1
30#define ROCKCHIP_OUT_MODE_P565 2
31#define ROCKCHIP_OUT_MODE_BT656 5
32#define ROCKCHIP_OUT_MODE_S888 8
33#define ROCKCHIP_OUT_MODE_S888_DUMMY 12
34#define ROCKCHIP_OUT_MODE_YUV420 14
35/* for use special outface */
36#define ROCKCHIP_OUT_MODE_AAAA 15
37
38/* output flags */
39#define ROCKCHIP_OUTPUT_DSI_DUAL BIT(0)
40
41struct drm_device;
42struct drm_connector;
43struct iommu_domain;
44
45struct rockchip_crtc_state {
46 struct drm_crtc_state base;
47 int output_type;
48 int output_mode;
49 int output_bpc;
50 int output_flags;
51 bool enable_afbc;
52 bool yuv_overlay;
53 u32 bus_format;
54 u32 bus_flags;
55 int color_space;
56};
57#define to_rockchip_crtc_state(s) \
58 container_of(s, struct rockchip_crtc_state, base)
59
60/*
61 * Rockchip drm private structure.
62 *
63 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
64 * @num_pipe: number of pipes for this device.
65 * @mm_lock: protect drm_mm on multi-threads.
66 */
67struct rockchip_drm_private {
68 struct iommu_domain *domain;
69 struct device *iommu_dev;
70 struct mutex mm_lock;
71 struct drm_mm mm;
72};
73
74struct rockchip_encoder {
75 int crtc_endpoint_id;
76 struct drm_encoder encoder;
77};
78
79int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
80 struct device *dev);
81void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
82 struct device *dev);
83void rockchip_drm_dma_init_device(struct drm_device *drm_dev,
84 struct device *dev);
85int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
86int rockchip_drm_encoder_set_crtc_endpoint_id(struct rockchip_encoder *rencoder,
87 struct device_node *np, int port, int reg);
88int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
89extern struct platform_driver cdn_dp_driver;
90extern struct platform_driver dw_dp_driver;
91extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
92extern struct platform_driver dw_hdmi_qp_rockchip_pltfm_driver;
93extern struct platform_driver dw_mipi_dsi_rockchip_driver;
94extern struct platform_driver dw_mipi_dsi2_rockchip_driver;
95extern struct platform_driver inno_hdmi_driver;
96extern struct platform_driver rockchip_dp_driver;
97extern struct platform_driver rockchip_lvds_driver;
98extern struct platform_driver vop_platform_driver;
99extern struct platform_driver rk3066_hdmi_driver;
100extern struct platform_driver vop2_platform_driver;
101
102static inline struct rockchip_encoder *to_rockchip_encoder(struct drm_encoder *encoder)
103{
104 return container_of(encoder, struct rockchip_encoder, encoder);
105}
106
107#endif /* _ROCKCHIP_DRM_DRV_H_ */