rockchip_drm_drv.h

  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_ */