xref: /openbmc/linux/include/drm/bridge/dw_hdmi.h (revision a06c488d)
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 struct dw_hdmi;
16 
17 enum {
18 	DW_HDMI_RES_8,
19 	DW_HDMI_RES_10,
20 	DW_HDMI_RES_12,
21 	DW_HDMI_RES_MAX,
22 };
23 
24 enum dw_hdmi_devtype {
25 	IMX6Q_HDMI,
26 	IMX6DL_HDMI,
27 	RK3288_HDMI,
28 };
29 
30 struct dw_hdmi_mpll_config {
31 	unsigned long mpixelclock;
32 	struct {
33 		u16 cpce;
34 		u16 gmp;
35 	} res[DW_HDMI_RES_MAX];
36 };
37 
38 struct dw_hdmi_curr_ctrl {
39 	unsigned long mpixelclock;
40 	u16 curr[DW_HDMI_RES_MAX];
41 };
42 
43 struct dw_hdmi_phy_config {
44 	unsigned long mpixelclock;
45 	u16 sym_ctr;    /*clock symbol and transmitter control*/
46 	u16 term;       /*transmission termination value*/
47 	u16 vlev_ctr;   /* voltage level control */
48 };
49 
50 struct dw_hdmi_plat_data {
51 	enum dw_hdmi_devtype dev_type;
52 	const struct dw_hdmi_mpll_config *mpll_cfg;
53 	const struct dw_hdmi_curr_ctrl *cur_ctr;
54 	const struct dw_hdmi_phy_config *phy_config;
55 	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
56 					   struct drm_display_mode *mode);
57 };
58 
59 void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
60 int dw_hdmi_bind(struct device *dev, struct device *master,
61 		 void *data, struct drm_encoder *encoder,
62 		 struct resource *iores, int irq,
63 		 const struct dw_hdmi_plat_data *plat_data);
64 
65 void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate);
66 void dw_hdmi_audio_enable(struct dw_hdmi *hdmi);
67 void dw_hdmi_audio_disable(struct dw_hdmi *hdmi);
68 
69 #endif /* __IMX_HDMI_H__ */
70