From 903d9231d6f998657cc80ee6f20ded4df68e691b Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Tue, 11 Mar 2008 20:29:37 +0000 Subject: Add support for monitor hotplug signals/waits Also adjust i915 irq handling as it follows the 16bit'ism's of the i8xx series. --- shared-core/drm.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'shared-core/drm.h') diff --git a/shared-core/drm.h b/shared-core/drm.h index 303a84b6..a1ebfb93 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -555,6 +555,39 @@ union drm_wait_vblank { struct drm_wait_vblank_reply reply; }; +/* Handle monitor hotplug. + * + * May want to extend this later to pass reply information which + * details the outputs which generated the hotplug event. + * Some chipsets can't determine that though, and we'd need to leave + * it to the higher levels to determine exactly what changed. + */ +enum drm_hotplug_seq_type { + _DRM_HOTPLUG_SIGNAL = 0x00000001, /**< Send signal instead of blocking */ +}; + +struct drm_wait_hotplug_request { + enum drm_hotplug_seq_type type; + unsigned long signal; +}; + +struct drm_wait_hotplug_reply { + enum drm_hotplug_seq_type type; + unsigned int counter; + long tval_sec; + long tval_usec; +}; + +/** + * DRM_IOCTL_WAIT_HOTPLUG ioctl argument type. + * + * \sa drmWaitHotplug(). + */ +union drm_wait_hotplug { + struct drm_wait_hotplug_request request; + struct drm_wait_hotplug_reply reply; +}; + enum drm_modeset_ctl_cmd { _DRM_PRE_MODESET = 1, _DRM_POST_MODESET = 2, @@ -1238,6 +1271,7 @@ struct drm_mode_hotplug { #define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAB, struct drm_mode_get_property) #define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xAC, struct drm_mode_cursor) #define DRM_IOCTL_MODE_HOTPLUG DRM_IOWR(0xAD, struct drm_mode_hotplug) +#define DRM_IOCTL_WAIT_HOTPLUG DRM_IOWR(0xAE, union drm_wait_hotplug) /*@}*/ -- cgit v1.2.3