-/* exynos_drm_encoder.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authors:
- * Inki Dae <inki.dae@samsung.com>
- * Joonyoung Shim <jy0922.shim@samsung.com>
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
-
-#include "exynos_drm_drv.h"
-#include "exynos_drm_encoder.h"
-#include "exynos_drm_crtc.h"
-
-static bool
-exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct drm_device *dev = encoder->dev;
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct drm_connector *connector;
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder != encoder)
- continue;
-
- if (exynos_encoder->ops->mode_fixup)
- exynos_encoder->ops->mode_fixup(exynos_encoder,
- connector, mode,
- adjusted_mode);
- }
-
- return true;
-}
-
-static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
-
- if (exynos_encoder->ops->mode_set)
- exynos_encoder->ops->mode_set(exynos_encoder, adjusted_mode);
-}
-
-static void exynos_drm_encoder_enable(struct drm_encoder *encoder)
-{
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
-
- if (exynos_encoder->ops->enable)
- exynos_encoder->ops->enable(exynos_encoder);
-}
-
-static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
-{
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
-
- if (exynos_encoder->ops->disable)
- exynos_encoder->ops->disable(exynos_encoder);
-}
-
-static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = {
- .mode_fixup = exynos_drm_encoder_mode_fixup,
- .mode_set = exynos_drm_encoder_mode_set,
- .enable = exynos_drm_encoder_enable,
- .disable = exynos_drm_encoder_disable,
-};
-
-static struct drm_encoder_funcs exynos_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-int exynos_drm_encoder_create(struct drm_device *dev,
- struct exynos_drm_encoder *exynos_encoder,
- enum exynos_drm_output_type type)
-{
- struct drm_encoder *encoder;
- int pipe;
-
- pipe = exynos_drm_crtc_get_pipe_from_type(dev, type);
- if (pipe < 0)
- return pipe;
-
- encoder = &exynos_encoder->base;
- encoder->possible_crtcs = 1 << pipe;
-
- DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
-
- drm_encoder_init(dev, encoder, &exynos_encoder_funcs,
- DRM_MODE_ENCODER_TMDS);
-
- drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
-
- DRM_DEBUG_KMS("encoder has been created\n");
-
- return 0;
-}