aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_connector.h
blob: de84fb4708c7ab22f4e5abbf1aa5918500b3bc63 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/*
 * Copyright (C) 2008 Maarten Maathuis.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef __NOUVEAU_CONNECTOR_H__
#define __NOUVEAU_CONNECTOR_H__

#include <nvif/notify.h>

#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
#include <drm/drm_dp_helper.h>
#include <drm/drm_util.h>

#include "nouveau_crtc.h"
#include "nouveau_encoder.h"

struct nvkm_i2c_port;
struct dcb_output;

#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
struct nouveau_backlight;
#endif

#define nouveau_conn_atom(p)                                                   \
	container_of((p), struct nouveau_conn_atom, state)

struct nouveau_conn_atom {
	struct drm_connector_state state;

	struct {
		/* The enum values specifically defined here match nv50/gf119
		 * hw values, and the code relies on this.
		 */
		enum {
			DITHERING_MODE_OFF = 0x00,
			DITHERING_MODE_ON = 0x01,
			DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
			DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
			DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
			DITHERING_MODE_AUTO
		} mode;
		enum {
			DITHERING_DEPTH_6BPC = 0x00,
			DITHERING_DEPTH_8BPC = 0x02,
			DITHERING_DEPTH_AUTO
		} depth;
	} dither;

	struct {
		int mode;	/* DRM_MODE_SCALE_* */
		struct {
			enum {
				UNDERSCAN_OFF,
				UNDERSCAN_ON,
				UNDERSCAN_AUTO,
			} mode;
			u32 hborder;
			u32 vborder;
		} underscan;
		bool full;
	} scaler;

	struct {
		int color_vibrance;
		int vibrant_hue;
	} procamp;

	union {
		struct {
			bool dither:1;
			bool scaler:1;
			bool procamp:1;
		};
		u8 mask;
	} set;
};

struct nouveau_connector {
	struct drm_connector base;
	enum dcb_connector_type type;
	u8 index;
	u8 *dcb;

	struct nvif_notify hpd;

	struct drm_dp_aux aux;

	int dithering_mode;
	int scaling_mode;

	struct nouveau_encoder *detected_encoder;
	struct edid *edid;
	struct drm_display_mode *native_mode;
#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
	struct nouveau_backlight *backlight;
#endif
	/*
	 * Our connector property code expects a nouveau_conn_atom struct
	 * even on pre-nv50 where we do not support atomic. This embedded
	 * version gets used in the non atomic modeset case.
	 */
	struct nouveau_conn_atom properties_state;
};

static inline struct nouveau_connector *nouveau_connector(
						struct drm_connector *con)
{
	return container_of(con, struct nouveau_connector, base);
}

static inline bool
nouveau_connector_is_mst(struct drm_connector *connector)
{
	const struct nouveau_encoder *nv_encoder;
	const struct drm_encoder *encoder;

	if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
		return false;

	nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
	if (!nv_encoder)
		return false;

	encoder = &nv_encoder->base.base;
	return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
}

#define nouveau_for_each_non_mst_connector_iter(connector, iter) \
	drm_for_each_connector_iter(connector, iter) \
		for_each_if(!nouveau_connector_is_mst(connector))

static inline struct nouveau_connector *
nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
{
	struct drm_device *dev = nv_crtc->base.dev;
	struct drm_connector *connector;
	struct drm_connector_list_iter conn_iter;
	struct nouveau_connector *nv_connector = NULL;
	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);

	drm_connector_list_iter_begin(dev, &conn_iter);
	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
		if (connector->encoder && connector->encoder->crtc == crtc) {
			nv_connector = nouveau_connector(connector);
			break;
		}
	}
	drm_connector_list_iter_end(&conn_iter);

	return nv_connector;
}

struct drm_connector *
nouveau_connector_create(struct drm_device *, const struct dcb_output *);

extern int nouveau_tv_disable;
extern int nouveau_ignorelid;
extern int nouveau_duallink;
extern int nouveau_hdmimhz;

void nouveau_conn_attach_properties(struct drm_connector *);
void nouveau_conn_reset(struct drm_connector *);
struct drm_connector_state *
nouveau_conn_atomic_duplicate_state(struct drm_connector *);
void nouveau_conn_atomic_destroy_state(struct drm_connector *,
				       struct drm_connector_state *);
int nouveau_conn_atomic_set_property(struct drm_connector *,
				     struct drm_connector_state *,
				     struct drm_property *, u64);
int nouveau_conn_atomic_get_property(struct drm_connector *,
				     const struct drm_connector_state *,
				     struct drm_property *, u64 *);
struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);

#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
extern int nouveau_backlight_init(struct drm_connector *);
extern void nouveau_backlight_fini(struct drm_connector *);
extern void nouveau_backlight_ctor(void);
extern void nouveau_backlight_dtor(void);
#else
static inline int
nouveau_backlight_init(struct drm_connector *connector)
{
	return 0;
}

static inline void
nouveau_backlight_fini(struct drm_connector *connector) {
}

static inline void
nouveau_backlight_ctor(void) {
}

static inline void
nouveau_backlight_dtor(void) {
}
#endif

#endif /* __NOUVEAU_CONNECTOR_H__ */