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 dp_train_func {
36 void (*link_set)(struct drm_device *, struct dcb_entry *, int crtc,
37 int nr, u32 bw, bool enhframe);
38 void (*train_set)(struct drm_device *, struct dcb_entry *, u8 pattern);
39 void (*train_adj)(struct drm_device *, struct dcb_entry *,
40 u8 lane, u8 swing, u8 preem);
41 };
42
43 struct nouveau_encoder {
44 struct drm_encoder_slave base;
45
46 struct dcb_entry *dcb;
47 int or;
48
49 /* different to drm_encoder.crtc, this reflects what's
50 * actually programmed on the hw, not the proposed crtc */
51 struct drm_crtc *crtc;
52
53 struct drm_display_mode mode;
54 int last_dpms;
55
56 struct nv04_output_reg restore;
57
58 union {
59 struct {
60 u8 dpcd[8];
61 int link_nr;
62 int link_bw;
63 u32 datarate;
64 } dp;
65 };
66 };
67
68 struct nouveau_encoder *
69 find_encoder(struct drm_connector *connector, int type);
70
nouveau_encoder(struct drm_encoder * enc)71 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
72 {
73 struct drm_encoder_slave *slave = to_encoder_slave(enc);
74
75 return container_of(slave, struct nouveau_encoder, base);
76 }
77
to_drm_encoder(struct nouveau_encoder * enc)78 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
79 {
80 return &enc->base.base;
81 }
82
83 static inline struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder * enc)84 get_slave_funcs(struct drm_encoder *enc)
85 {
86 return to_encoder_slave(enc)->slave_funcs;
87 }
88
89 /* nouveau_dp.c */
90 int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
91 uint8_t *data, int data_nr);
92 bool nouveau_dp_detect(struct drm_encoder *);
93 void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate,
94 struct dp_train_func *);
95 u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **);
96
97 struct nouveau_connector *
98 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
99 int nv50_sor_create(struct drm_connector *, struct dcb_entry *);
100 void nv50_sor_dp_calc_tu(struct drm_device *, int, int, u32, u32);
101 int nv50_dac_create(struct drm_connector *, struct dcb_entry *);
102
103
104 #endif /* __NOUVEAU_ENCODER_H__ */
105