1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2008-2018 Fuzhou Rockchip Electronics Co., Ltd 4 */ 5 6 #ifndef _ROCKCHIP_BRIDGE_H_ 7 #define _ROCKCHIP_BRIDGE_H_ 8 9 #include <config.h> 10 #include <common.h> 11 #include <dm/device.h> 12 #include <errno.h> 13 14 struct display_state; 15 struct rockchip_bridge; 16 struct drm_display_mode; 17 struct rockchip_connector; 18 19 struct rockchip_bridge_funcs { 20 void (*enable)(struct rockchip_bridge *bridge); 21 void (*disable)(struct rockchip_bridge *bridge); 22 void (*pre_enable)(struct rockchip_bridge *bridge); 23 void (*post_disable)(struct rockchip_bridge *bridge); 24 void (*mode_set)(struct rockchip_bridge *bridge, 25 const struct drm_display_mode *mode); 26 bool (*detect)(struct rockchip_bridge *bridge); 27 }; 28 29 struct rockchip_bridge { 30 struct udevice *dev; 31 const struct rockchip_bridge_funcs *funcs; 32 struct rockchip_bridge *next_bridge; 33 struct rockchip_connector *conn; 34 struct display_state *state; 35 u32 bus_format; 36 }; 37 38 void rockchip_bridge_init(struct rockchip_bridge *bridge, 39 struct rockchip_connector *conn, 40 struct display_state *state); 41 void rockchip_bridge_enable(struct rockchip_bridge *bridge); 42 void rockchip_bridge_disable(struct rockchip_bridge *bridge); 43 void rockchip_bridge_pre_enable(struct rockchip_bridge *bridge); 44 void rockchip_bridge_post_disable(struct rockchip_bridge *bridge); 45 void rockchip_bridge_mode_set(struct rockchip_bridge *bridge, 46 const struct drm_display_mode *mode); 47 bool rockchip_bridge_detect(struct rockchip_bridge *bridge); 48 49 #endif 50