ea24a6221c
This patch implements get_crc_sources callback, which returns list of all the crc sources supported by driver in current platform. Changes Since V1: - move sources list per-crtc - init sources-list only for gen3 Changes Since V2: - Adopt to driver style - Address other review comments from Laurent Pinchart Changes Since V3/4/5: (Laurent Pinchart review) - s/rcar_du_crtc_crc_sources_list_init/rcar_du_crtc_crc_init - s/rcar_du_crtc_crc_sources_list_uninit/rcar_du_crtc_crc_cleanup - other cleanup Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> Cc: dri-devel@lists.freedesktop.org Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180808152630.6563-1-mahesh1.kumar@intel.com
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/*
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* rcar_du_crtc.h -- R-Car Display Unit CRTCs
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*
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* Copyright (C) 2013-2015 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __RCAR_DU_CRTC_H__
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#define __RCAR_DU_CRTC_H__
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#include <linux/mutex.h>
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#include <linux/spinlock.h>
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#include <linux/wait.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <media/vsp1.h>
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struct rcar_du_group;
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struct rcar_du_vsp;
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/**
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* struct rcar_du_crtc - the CRTC, representing a DU superposition processor
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* @crtc: base DRM CRTC
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* @clock: the CRTC functional clock
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* @extclock: external pixel dot clock (optional)
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* @mmio_offset: offset of the CRTC registers in the DU MMIO block
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* @index: CRTC software and hardware index
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* @initialized: whether the CRTC has been initialized and clocks enabled
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* @vblank_enable: whether vblank events are enabled on this CRTC
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* @event: event to post when the pending page flip completes
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* @flip_wait: wait queue used to signal page flip completion
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* @vblank_lock: protects vblank_wait and vblank_count
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* @vblank_wait: wait queue used to signal vertical blanking
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* @vblank_count: number of vertical blanking interrupts to wait for
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* @outputs: bitmask of the outputs (enum rcar_du_output) driven by this CRTC
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* @group: CRTC group this CRTC belongs to
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* @vsp: VSP feeding video to this CRTC
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* @vsp_pipe: index of the VSP pipeline feeding video to this CRTC
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*/
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struct rcar_du_crtc {
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struct drm_crtc crtc;
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struct clk *clock;
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struct clk *extclock;
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unsigned int mmio_offset;
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unsigned int index;
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bool initialized;
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bool vblank_enable;
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struct drm_pending_vblank_event *event;
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wait_queue_head_t flip_wait;
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spinlock_t vblank_lock;
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wait_queue_head_t vblank_wait;
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unsigned int vblank_count;
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unsigned int outputs;
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struct rcar_du_group *group;
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struct rcar_du_vsp *vsp;
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unsigned int vsp_pipe;
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const char *const *sources;
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unsigned int sources_count;
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};
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#define to_rcar_crtc(c) container_of(c, struct rcar_du_crtc, crtc)
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/**
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* struct rcar_du_crtc_state - Driver-specific CRTC state
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* @state: base DRM CRTC state
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* @crc: CRC computation configuration
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*/
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struct rcar_du_crtc_state {
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struct drm_crtc_state state;
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struct vsp1_du_crc_config crc;
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};
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#define to_rcar_crtc_state(s) container_of(s, struct rcar_du_crtc_state, state)
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enum rcar_du_output {
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RCAR_DU_OUTPUT_DPAD0,
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RCAR_DU_OUTPUT_DPAD1,
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RCAR_DU_OUTPUT_LVDS0,
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RCAR_DU_OUTPUT_LVDS1,
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RCAR_DU_OUTPUT_HDMI0,
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RCAR_DU_OUTPUT_HDMI1,
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RCAR_DU_OUTPUT_TCON,
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RCAR_DU_OUTPUT_MAX,
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};
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int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
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unsigned int hwindex);
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void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
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void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
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void rcar_du_crtc_route_output(struct drm_crtc *crtc,
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enum rcar_du_output output);
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void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc);
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#endif /* __RCAR_DU_CRTC_H__ */
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