| /* | |
| * rcar_du_crtc.h -- R-Car Display Unit CRTCs | |
| * | |
| * Copyright (C) 2013-2014 Renesas Electronics Corporation | |
| * | |
| * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.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. | |
| */ | |
| #ifndef __RCAR_DU_CRTC_H__ | |
| #define __RCAR_DU_CRTC_H__ | |
| #include <linux/mutex.h> | |
| #include <linux/wait.h> | |
| #include <drm/drmP.h> | |
| #include <drm/drm_crtc.h> | |
| struct rcar_du_group; | |
| struct rcar_du_vsp; | |
| /** | |
| * struct rcar_du_crtc - the CRTC, representing a DU superposition processor | |
| * @crtc: base DRM CRTC | |
| * @clock: the CRTC functional clock | |
| * @extclock: external pixel dot clock (optional) | |
| * @mmio_offset: offset of the CRTC registers in the DU MMIO block | |
| * @index: CRTC software and hardware index | |
| * @started: whether the CRTC has been started and is running | |
| * @event: event to post when the pending page flip completes | |
| * @flip_wait: wait queue used to signal page flip completion | |
| * @outputs: bitmask of the outputs (enum rcar_du_output) driven by this CRTC | |
| * @group: CRTC group this CRTC belongs to | |
| */ | |
| struct rcar_du_crtc { | |
| struct drm_crtc crtc; | |
| struct clk *clock; | |
| struct clk *extclock; | |
| unsigned int mmio_offset; | |
| unsigned int index; | |
| bool started; | |
| struct drm_pending_vblank_event *event; | |
| wait_queue_head_t flip_wait; | |
| unsigned int outputs; | |
| struct rcar_du_group *group; | |
| struct rcar_du_vsp *vsp; | |
| }; | |
| #define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc) | |
| enum rcar_du_output { | |
| RCAR_DU_OUTPUT_DPAD0, | |
| RCAR_DU_OUTPUT_DPAD1, | |
| RCAR_DU_OUTPUT_LVDS0, | |
| RCAR_DU_OUTPUT_LVDS1, | |
| RCAR_DU_OUTPUT_TCON, | |
| RCAR_DU_OUTPUT_MAX, | |
| }; | |
| int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index); | |
| void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable); | |
| void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc); | |
| void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc); | |
| void rcar_du_crtc_route_output(struct drm_crtc *crtc, | |
| enum rcar_du_output output); | |
| #endif /* __RCAR_DU_CRTC_H__ */ |