xref: /openbmc/linux/include/drm/bridge/dw_hdmi.h (revision 4f3db074)
1 /*
2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9 
10 #ifndef __DW_HDMI__
11 #define __DW_HDMI__
12 
13 #include <drm/drmP.h>
14 
15 enum {
16 	DW_HDMI_RES_8,
17 	DW_HDMI_RES_10,
18 	DW_HDMI_RES_12,
19 	DW_HDMI_RES_MAX,
20 };
21 
22 enum dw_hdmi_devtype {
23 	IMX6Q_HDMI,
24 	IMX6DL_HDMI,
25 	RK3288_HDMI,
26 };
27 
28 struct dw_hdmi_mpll_config {
29 	unsigned long mpixelclock;
30 	struct {
31 		u16 cpce;
32 		u16 gmp;
33 	} res[DW_HDMI_RES_MAX];
34 };
35 
36 struct dw_hdmi_curr_ctrl {
37 	unsigned long mpixelclock;
38 	u16 curr[DW_HDMI_RES_MAX];
39 };
40 
41 struct dw_hdmi_phy_config {
42 	unsigned long mpixelclock;
43 	u16 sym_ctr;    /*clock symbol and transmitter control*/
44 	u16 term;       /*transmission termination value*/
45 	u16 vlev_ctr;   /* voltage level control */
46 };
47 
48 struct dw_hdmi_plat_data {
49 	enum dw_hdmi_devtype dev_type;
50 	const struct dw_hdmi_mpll_config *mpll_cfg;
51 	const struct dw_hdmi_curr_ctrl *cur_ctr;
52 	const struct dw_hdmi_phy_config *phy_config;
53 	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
54 					   struct drm_display_mode *mode);
55 };
56 
57 void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
58 int dw_hdmi_bind(struct device *dev, struct device *master,
59 		 void *data, struct drm_encoder *encoder,
60 		 struct resource *iores, int irq,
61 		 const struct dw_hdmi_plat_data *plat_data);
62 #endif /* __IMX_HDMI_H__ */
63