1 /*
2  * Copyright (C) 2008 Maarten Maathuis.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the
14  * next paragraph) shall be included in all copies or substantial
15  * portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  *
25  */
26 
27 #ifndef __NOUVEAU_ENCODER_H__
28 #define __NOUVEAU_ENCODER_H__
29 
30 #include "drm_encoder_slave.h"
31 #include "nouveau_drv.h"
32 
33 #define NV_DPMS_CLEARED 0x80
34 
35 struct nouveau_encoder {
36 	struct drm_encoder_slave base;
37 
38 	struct dcb_entry *dcb;
39 	int or;
40 
41 	struct drm_display_mode mode;
42 	int last_dpms;
43 
44 	struct nv04_output_reg restore;
45 
46 	void (*disconnect)(struct nouveau_encoder *encoder);
47 
48 	union {
49 		struct {
50 			int dpcd_version;
51 			int link_nr;
52 			int link_bw;
53 		} dp;
54 	};
55 };
56 
57 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
58 {
59 	struct drm_encoder_slave *slave = to_encoder_slave(enc);
60 
61 	return container_of(slave, struct nouveau_encoder, base);
62 }
63 
64 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
65 {
66 	return &enc->base.base;
67 }
68 
69 struct nouveau_connector *
70 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
71 int nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry);
72 int nv50_dac_create(struct drm_device *dev, struct dcb_entry *entry);
73 
74 struct bit_displayport_encoder_table {
75 	uint32_t match;
76 	uint8_t  record_nr;
77 	uint8_t  unknown;
78 	uint16_t script0;
79 	uint16_t script1;
80 	uint16_t unknown_table;
81 } __attribute__ ((packed));
82 
83 struct bit_displayport_encoder_table_entry {
84 	uint8_t vs_level;
85 	uint8_t pre_level;
86 	uint8_t reg0;
87 	uint8_t reg1;
88 	uint8_t reg2;
89 } __attribute__ ((packed));
90 
91 #endif /* __NOUVEAU_ENCODER_H__ */
92