1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) Fuzhou 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/i2c.h>
16#include <linux/module.h>
17#include <linux/component.h>
18
19#define ROCKCHIP_MAX_FB_BUFFER	3
20#define ROCKCHIP_MAX_CONNECTOR	2
21#define ROCKCHIP_MAX_CRTC	4
22
23struct drm_device;
24struct drm_connector;
25struct iommu_domain;
26
27struct rockchip_crtc_state {
28	struct drm_crtc_state base;
29	int output_type;
30	int output_mode;
31	int output_bpc;
32	int output_flags;
33	bool enable_afbc;
34	u32 bus_format;
35	u32 bus_flags;
36	int color_space;
37};
38#define to_rockchip_crtc_state(s) \
39		container_of(s, struct rockchip_crtc_state, base)
40
41/*
42 * Rockchip drm private structure.
43 *
44 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
45 * @num_pipe: number of pipes for this device.
46 * @mm_lock: protect drm_mm on multi-threads.
47 */
48struct rockchip_drm_private {
49	struct iommu_domain *domain;
50	struct device *iommu_dev;
51	struct mutex mm_lock;
52	struct drm_mm mm;
53};
54
55struct rockchip_encoder {
56	int crtc_endpoint_id;
57	struct drm_encoder encoder;
58};
59
60int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
61				   struct device *dev);
62void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
63				    struct device *dev);
64void rockchip_drm_dma_init_device(struct drm_device *drm_dev,
65				  struct device *dev);
66int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
67int rockchip_drm_encoder_set_crtc_endpoint_id(struct rockchip_encoder *rencoder,
68					      struct device_node *np, int port, int reg);
69int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
70extern struct platform_driver cdn_dp_driver;
71extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
72extern struct platform_driver dw_mipi_dsi_rockchip_driver;
73extern struct platform_driver inno_hdmi_driver;
74extern struct platform_driver rockchip_dp_driver;
75extern struct platform_driver rockchip_lvds_driver;
76extern struct platform_driver vop_platform_driver;
77extern struct platform_driver rk3066_hdmi_driver;
78extern struct platform_driver vop2_platform_driver;
79
80static inline struct rockchip_encoder *to_rockchip_encoder(struct drm_encoder *encoder)
81{
82	return container_of(encoder, struct rockchip_encoder, encoder);
83}
84
85#endif /* _ROCKCHIP_DRM_DRV_H_ */