3133112917
The hypervisor is renamed to gunyah now. All 'haven' words need change to 'gunyah' and 'hh' words in hypervisor interface need change to 'gh'. Change-Id: Ia7ff6d855eb5548540a2f11a781c2555beb23187 Signed-off-by: Cong Zhang <congzhan@codeaurora.org>
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef __SDE_VM_EVENT_H__
|
|
#define __SDE_VM_EVENT_H__
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/types.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/platform_device.h>
|
|
#include <drm/drm_device.h>
|
|
|
|
/**
|
|
* struct - msm_io_irq_entry - define irq item
|
|
* @label: gh_irq_label for the irq
|
|
* @irq_num: linux mapped irq num
|
|
* @list: list head pointer
|
|
*/
|
|
struct msm_io_irq_entry {
|
|
u32 label;
|
|
u32 irq_num;
|
|
struct list_head list;
|
|
};
|
|
|
|
/**
|
|
* struct - msm_io_mem_entry - define io memory item
|
|
* @base: reg base
|
|
* @size: size of the reg range
|
|
* @list: list head pointer
|
|
*/
|
|
struct msm_io_mem_entry {
|
|
phys_addr_t base;
|
|
phys_addr_t size;
|
|
struct list_head list;
|
|
};
|
|
|
|
/**
|
|
* struct - msm_io_res - represents the hw resources for vm sharing
|
|
* @irq: list of IRQ's of all the dislay sub-devices
|
|
* @mem: list of IO memory ranges of all the display sub-devices
|
|
*/
|
|
struct msm_io_res {
|
|
struct list_head irq;
|
|
struct list_head mem;
|
|
};
|
|
|
|
/**
|
|
* struct msm_vm_ops - hooks for communication with vm clients
|
|
* @vm_pre_hw_release: invoked before releasing the HW
|
|
* @vm_post_hw_acquire: invoked before pushing the first commit
|
|
* @vm_check: invoked to check the readiness of the vm_clients
|
|
* before releasing the HW
|
|
* @vm_get_io_resources: invoked to collect HW resources
|
|
*/
|
|
struct msm_vm_ops {
|
|
int (*vm_pre_hw_release)(void *priv_data);
|
|
int (*vm_post_hw_acquire)(void *priv_data);
|
|
int (*vm_check)(void *priv_data);
|
|
int (*vm_get_io_resources)(struct msm_io_res *io_res, void *priv_data);
|
|
};
|
|
|
|
/**
|
|
* msm_vm_client_entry - defines the vm client info
|
|
* @ops: client vm_ops
|
|
* @dev: clients device id. Used in unregister
|
|
* @data: client custom data
|
|
* @list: linked list entry
|
|
*/
|
|
struct msm_vm_client_entry {
|
|
struct msm_vm_ops ops;
|
|
struct device *dev;
|
|
void *data;
|
|
struct list_head list;
|
|
};
|
|
|
|
/**
|
|
* msm_register_vm_event - api for display dependent drivers(clients) to
|
|
* register for vm events
|
|
* @dev: msm device
|
|
* @client_dev: client device
|
|
* @ops: vm event hooks
|
|
* @priv_data: client custom data
|
|
*/
|
|
int msm_register_vm_event(struct device *dev, struct device *client_dev,
|
|
struct msm_vm_ops *ops, void *priv_data);
|
|
|
|
/**
|
|
* msm_unregister_vm_event - api for display dependent drivers(clients) to
|
|
* unregister from vm events
|
|
* @dev: msm device
|
|
* @client_dev: client device
|
|
*/
|
|
void msm_unregister_vm_event(struct device *dev, struct device *client_dev);
|
|
|
|
#endif //__SDE_VM_EVENT_H__
|