3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 * Inki Dae <inki.dae@samsung.com>
6 * Joonyoung Shim <jy0922.shim@samsung.com>
7 * Seung-Woo Kim <sw0312.kim@samsung.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
16 #include "exynos_drm_drv.h"
17 #include "exynos_drm_crtc.h"
18 #include "exynos_drm_encoder.h"
19 #include "exynos_drm_fbdev.h"
21 static LIST_HEAD(exynos_drm_subdrv_list);
23 int exynos_drm_create_enc_conn(struct drm_device *dev,
24 struct exynos_drm_display *display)
26 struct drm_encoder *encoder;
28 unsigned long possible_crtcs = 0;
30 ret = exynos_drm_crtc_get_pipe_from_type(dev, display->type);
34 possible_crtcs |= 1 << ret;
36 /* create and initialize a encoder for this sub driver. */
37 encoder = exynos_drm_encoder_create(dev, display, possible_crtcs);
39 DRM_ERROR("failed to create encoder\n");
43 display->encoder = encoder;
45 ret = display->ops->create_connector(display, encoder);
47 DRM_ERROR("failed to create connector ret = %d\n", ret);
48 goto err_destroy_encoder;
54 encoder->funcs->destroy(encoder);
58 int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv)
63 list_add_tail(&subdrv->list, &exynos_drm_subdrv_list);
67 EXPORT_SYMBOL_GPL(exynos_drm_subdrv_register);
69 int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv)
74 list_del(&subdrv->list);
78 EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister);
80 int exynos_drm_device_subdrv_probe(struct drm_device *dev)
82 struct exynos_drm_subdrv *subdrv, *n;
88 list_for_each_entry_safe(subdrv, n, &exynos_drm_subdrv_list, list) {
90 subdrv->drm_dev = dev;
93 * this probe callback would be called by sub driver
94 * after setting of all resources to this sub driver,
95 * such as clock, irq and register map are done.
97 err = subdrv->probe(dev, subdrv->dev);
99 DRM_DEBUG("exynos drm subdrv probe failed.\n");
100 list_del(&subdrv->list);
108 EXPORT_SYMBOL_GPL(exynos_drm_device_subdrv_probe);
110 int exynos_drm_device_subdrv_remove(struct drm_device *dev)
112 struct exynos_drm_subdrv *subdrv;
115 WARN(1, "Unexpected drm device unregister!\n");
119 list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
121 subdrv->remove(dev, subdrv->dev);
126 EXPORT_SYMBOL_GPL(exynos_drm_device_subdrv_remove);
128 int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file)
130 struct exynos_drm_subdrv *subdrv;
133 list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
135 ret = subdrv->open(dev, subdrv->dev, file);
144 list_for_each_entry_reverse(subdrv, &subdrv->list, list) {
146 subdrv->close(dev, subdrv->dev, file);
150 EXPORT_SYMBOL_GPL(exynos_drm_subdrv_open);
152 void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file)
154 struct exynos_drm_subdrv *subdrv;
156 list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
158 subdrv->close(dev, subdrv->dev, file);
161 EXPORT_SYMBOL_GPL(exynos_drm_subdrv_close);