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 23 struct drm_device; 24 struct drm_connector; 25 struct iommu_domain; 26 27 struct 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 */ 48 struct 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 55 struct rockchip_encoder { 56 int crtc_endpoint_id; 57 struct drm_encoder encoder; 58 }; 59 60 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, 61 struct device *dev); 62 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, 63 struct device *dev); 64 void rockchip_drm_dma_init_device(struct drm_device *drm_dev, 65 struct device *dev); 66 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout); 67 int rockchip_drm_encoder_set_crtc_endpoint_id(struct rockchip_encoder *rencoder, 68 struct device_node *np, int port, int reg); 69 int rockchip_drm_endpoint_is_subdriver(struct device_node *ep); 70 extern struct platform_driver cdn_dp_driver; 71 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver; 72 extern struct platform_driver dw_mipi_dsi_rockchip_driver; 73 extern struct platform_driver inno_hdmi_driver; 74 extern struct platform_driver rockchip_dp_driver; 75 extern struct platform_driver rockchip_lvds_driver; 76 extern struct platform_driver vop_platform_driver; 77 extern struct platform_driver rk3066_hdmi_driver; 78 extern struct platform_driver vop2_platform_driver; 79 80 static 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_ */ 86