| 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 | |