OpenCloudOS-Kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_irq.h

60 lines
1.6 KiB
C

/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __DPU_IRQ_H__
#define __DPU_IRQ_H__
#include <linux/kernel.h>
#include <linux/irqdomain.h>
#include "msm_kms.h"
/**
* dpu_irq_controller - define MDSS level interrupt controller context
* @enabled_mask: enable status of MDSS level interrupt
* @domain: interrupt domain of this controller
*/
struct dpu_irq_controller {
unsigned long enabled_mask;
struct irq_domain *domain;
};
/**
* dpu_irq_preinstall - perform pre-installation of MDSS IRQ handler
* @kms: pointer to kms context
* @return: none
*/
void dpu_irq_preinstall(struct msm_kms *kms);
/**
* dpu_irq_postinstall - perform post-installation of MDSS IRQ handler
* @kms: pointer to kms context
* @return: 0 if success; error code otherwise
*/
int dpu_irq_postinstall(struct msm_kms *kms);
/**
* dpu_irq_uninstall - uninstall MDSS IRQ handler
* @drm_dev: pointer to kms context
* @return: none
*/
void dpu_irq_uninstall(struct msm_kms *kms);
/**
* dpu_irq - MDSS level IRQ handler
* @kms: pointer to kms context
* @return: interrupt handling status
*/
irqreturn_t dpu_irq(struct msm_kms *kms);
#endif /* __DPU_IRQ_H__ */