xref: /openbmc/linux/drivers/gpu/drm/msm/dp/dp_ctrl.h (revision 5b4fc395)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
4  */
5 
6 #ifndef _DP_CTRL_H_
7 #define _DP_CTRL_H_
8 
9 #include "dp_aux.h"
10 #include "dp_panel.h"
11 #include "dp_link.h"
12 #include "dp_parser.h"
13 #include "dp_power.h"
14 #include "dp_catalog.h"
15 
16 struct dp_ctrl {
17 	bool orientation;
18 	atomic_t aborted;
19 	u32 pixel_rate;
20 	bool wide_bus_en;
21 };
22 
23 int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl);
24 int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train);
25 int dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl);
26 int dp_ctrl_off_link(struct dp_ctrl *dp_ctrl);
27 int dp_ctrl_off(struct dp_ctrl *dp_ctrl);
28 void dp_ctrl_push_idle(struct dp_ctrl *dp_ctrl);
29 void dp_ctrl_isr(struct dp_ctrl *dp_ctrl);
30 void dp_ctrl_handle_sink_request(struct dp_ctrl *dp_ctrl);
31 struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link,
32 			struct dp_panel *panel,	struct drm_dp_aux *aux,
33 			struct dp_power *power, struct dp_catalog *catalog,
34 			struct dp_parser *parser);
35 
36 void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable);
37 void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl);
38 void dp_ctrl_phy_exit(struct dp_ctrl *dp_ctrl);
39 void dp_ctrl_irq_phy_exit(struct dp_ctrl *dp_ctrl);
40 
41 #endif /* _DP_CTRL_H_ */
42