xref: /openbmc/linux/drivers/gpu/drm/nouveau/nouveau_encoder.h (revision df2634f43f5106947f3735a0b61a6527a4b278cd)
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 	/* different to drm_encoder.crtc, this reflects what's
42 	 * actually programmed on the hw, not the proposed crtc */
43 	struct drm_crtc *crtc;
44 
45 	struct drm_display_mode mode;
46 	int last_dpms;
47 
48 	struct nv04_output_reg restore;
49 
50 	union {
51 		struct {
52 			int mc_unknown;
53 			uint32_t unk0;
54 			uint32_t unk1;
55 			int dpcd_version;
56 			int link_nr;
57 			int link_bw;
58 			bool enhanced_frame;
59 		} dp;
60 	};
61 };
62 
63 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
64 {
65 	struct drm_encoder_slave *slave = to_encoder_slave(enc);
66 
67 	return container_of(slave, struct nouveau_encoder, base);
68 }
69 
70 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
71 {
72 	return &enc->base.base;
73 }
74 
75 static inline struct drm_encoder_slave_funcs *
76 get_slave_funcs(struct drm_encoder *enc)
77 {
78 	return to_encoder_slave(enc)->slave_funcs;
79 }
80 
81 struct nouveau_connector *
82 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
83 int nv50_sor_create(struct drm_connector *, struct dcb_entry *);
84 int nv50_dac_create(struct drm_connector *, struct dcb_entry *);
85 
86 struct bit_displayport_encoder_table {
87 	uint32_t match;
88 	uint8_t  record_nr;
89 	uint8_t  unknown;
90 	uint16_t script0;
91 	uint16_t script1;
92 	uint16_t unknown_table;
93 } __attribute__ ((packed));
94 
95 struct bit_displayport_encoder_table_entry {
96 	uint8_t vs_level;
97 	uint8_t pre_level;
98 	uint8_t reg0;
99 	uint8_t reg1;
100 	uint8_t reg2;
101 } __attribute__ ((packed));
102 
103 #endif /* __NOUVEAU_ENCODER_H__ */
104