1 | /* $NetBSD: drm_encoder_slave.h,v 1.1 2015/03/05 17:42:48 riastradh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2015 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Taylor R. Campbell. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _DRM_DRM_ENCODER_SLAVE_H_ |
33 | #define _DRM_DRM_ENCODER_SLAVE_H_ |
34 | |
35 | #include <sys/types.h> |
36 | #include <sys/rbtree.h> |
37 | |
38 | #include <drm/drm_crtc.h> |
39 | |
40 | struct drm_encoder_slave_funcs { |
41 | void (*set_config)(struct drm_encoder *, void *); |
42 | void (*destroy)(struct drm_encoder *); |
43 | void (*dpms)(struct drm_encoder *, int mode); |
44 | void (*save)(struct drm_encoder *); |
45 | void (*restore)(struct drm_encoder *); |
46 | bool (*mode_fixup)(struct drm_encoder *, |
47 | const struct drm_display_mode *, |
48 | struct drm_display_mode *); |
49 | int (*mode_valid)(struct drm_encoder *, struct drm_display_mode *); |
50 | void (*mode_set)(struct drm_encoder *, |
51 | const struct drm_display_mode *, |
52 | struct drm_display_mode *); |
53 | enum drm_connector_status |
54 | (*detect)(struct drm_encoder *, struct drm_connector *); |
55 | int (*get_modes)(struct drm_encoder *, struct drm_connector *); |
56 | int (*create_resources)(struct drm_encoder *, |
57 | struct drm_connector *); |
58 | int (*set_property)(struct drm_encoder *, struct drm_connector *, |
59 | struct drm_property *, uint64_t); |
60 | }; |
61 | |
62 | struct drm_encoder_slave { |
63 | struct drm_encoder base; |
64 | struct drm_encoder_slave_funcs *slave_funcs; |
65 | void *slave_priv; |
66 | void *bus_priv; |
67 | }; |
68 | |
69 | static inline struct drm_encoder_slave * |
70 | to_encoder_slave(struct drm_encoder *encoder) |
71 | { |
72 | |
73 | return container_of(encoder, struct drm_encoder_slave, base); |
74 | } |
75 | |
76 | struct drm_i2c_encoder_driver { |
77 | struct i2c_driver i2c_driver; |
78 | int (*encoder_init)(struct i2c_client *, |
79 | struct drm_device *, |
80 | struct drm_encoder_slave *); |
81 | rb_node_t rb_node; |
82 | volatile unsigned refcnt; |
83 | }; |
84 | |
85 | struct module; |
86 | |
87 | void drm_i2c_encoders_init(void); |
88 | void drm_i2c_encoders_fini(void); |
89 | |
90 | int drm_i2c_encoder_register(struct module *, |
91 | struct drm_i2c_encoder_driver *); |
92 | void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *); |
93 | |
94 | int drm_i2c_encoder_init(struct drm_device *, struct drm_encoder_slave *, |
95 | struct i2c_adapter *, const struct i2c_board_info *); |
96 | void drm_i2c_encoder_destroy(struct drm_encoder *); |
97 | struct i2c_client * |
98 | drm_i2c_encoder_get_client(struct drm_encoder *); |
99 | |
100 | void drm_i2c_encoder_dpms(struct drm_encoder *, int); |
101 | bool drm_i2c_encoder_mode_fixup(struct drm_encoder *, |
102 | const struct drm_display_mode *, struct drm_display_mode *); |
103 | void drm_i2c_encoder_prepare(struct drm_encoder *); |
104 | void drm_i2c_encoder_commit(struct drm_encoder *); |
105 | void drm_i2c_encoder_mode_set(struct drm_encoder *, |
106 | struct drm_display_mode *, struct drm_display_mode *); |
107 | enum drm_connector_status |
108 | drm_i2c_encoder_detect(struct drm_encoder *, struct drm_connector *); |
109 | void drm_i2c_encoder_save(struct drm_encoder *); |
110 | void drm_i2c_encoder_restore(struct drm_encoder *); |
111 | |
112 | #endif /* _DRM_DRM_ENCODER_SLAVE_H_ */ |
113 | |