1 /* 2 * rcar_du_crtc.h -- R-Car Display Unit CRTCs 3 * 4 * Copyright (C) 2013-2014 Renesas Electronics Corporation 5 * 6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14 #ifndef __RCAR_DU_CRTC_H__ 15 #define __RCAR_DU_CRTC_H__ 16 17 #include <linux/mutex.h> 18 #include <linux/wait.h> 19 20 #include <drm/drmP.h> 21 #include <drm/drm_crtc.h> 22 23 struct rcar_du_group; 24 25 struct rcar_du_crtc { 26 struct drm_crtc crtc; 27 28 struct clk *clock; 29 struct clk *extclock; 30 unsigned int mmio_offset; 31 unsigned int index; 32 bool started; 33 34 struct drm_pending_vblank_event *event; 35 wait_queue_head_t flip_wait; 36 37 unsigned int outputs; 38 bool enabled; 39 40 struct rcar_du_group *group; 41 }; 42 43 #define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc) 44 45 enum rcar_du_output { 46 RCAR_DU_OUTPUT_DPAD0, 47 RCAR_DU_OUTPUT_DPAD1, 48 RCAR_DU_OUTPUT_LVDS0, 49 RCAR_DU_OUTPUT_LVDS1, 50 RCAR_DU_OUTPUT_TCON, 51 RCAR_DU_OUTPUT_MAX, 52 }; 53 54 int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index); 55 void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable); 56 void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc, 57 struct drm_file *file); 58 void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc); 59 void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc); 60 61 void rcar_du_crtc_route_output(struct drm_crtc *crtc, 62 enum rcar_du_output output); 63 64 #endif /* __RCAR_DU_CRTC_H__ */ 65