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Diffstat (limited to 'include/drm/drm_crtc_helper.h')
| -rw-r--r-- | include/drm/drm_crtc_helper.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h new file mode 100644 index 000000000..691463303 --- /dev/null +++ b/include/drm/drm_crtc_helper.h @@ -0,0 +1,82 @@ +/* + * Copyright © 2006 Keith Packard + * Copyright © 2007-2008 Dave Airlie + * Copyright © 2007-2008 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + * + * 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 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 HOLDER(S) OR AUTHOR(S) 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. + */ + +/* + * The DRM mode setting helper functions are common code for drivers to use if + * they wish. Drivers are not forced to use this code in their + * implementations but it would be useful if they code they do use at least + * provides a consistent interface and operation to userspace + */ + +#ifndef __DRM_CRTC_HELPER_H__ +#define __DRM_CRTC_HELPER_H__ + +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/idr.h> + +#include <linux/fb.h> + +#include <drm/drm_crtc.h> +#include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_modeset_helper.h> + +void drm_helper_disable_unused_functions(struct drm_device *dev); +int drm_crtc_helper_set_config(struct drm_mode_set *set, + struct drm_modeset_acquire_ctx *ctx); +bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, + struct drm_display_mode *mode, + int x, int y, + struct drm_framebuffer *old_fb); +bool drm_helper_crtc_in_use(struct drm_crtc *crtc); +bool drm_helper_encoder_in_use(struct drm_encoder *encoder); + +int drm_helper_connector_dpms(struct drm_connector *connector, int mode); + +void drm_helper_resume_force_mode(struct drm_device *dev); + +int drm_helper_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, int x, int y, + struct drm_framebuffer *old_fb); +int drm_helper_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb); + +/* drm_probe_helper.c */ +int drm_helper_probe_single_connector_modes(struct drm_connector + *connector, uint32_t maxX, + uint32_t maxY); +int drm_helper_probe_detect(struct drm_connector *connector, + struct drm_modeset_acquire_ctx *ctx, + bool force); +void drm_kms_helper_poll_init(struct drm_device *dev); +void drm_kms_helper_poll_fini(struct drm_device *dev); +bool drm_helper_hpd_irq_event(struct drm_device *dev); +void drm_kms_helper_hotplug_event(struct drm_device *dev); + +void drm_kms_helper_poll_disable(struct drm_device *dev); +void drm_kms_helper_poll_enable(struct drm_device *dev); +bool drm_kms_helper_is_poll_worker(void); + +#endif |