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/* Copyright (c) 2010-2012, 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 __MSM_PERIPHERAL_LOADER_H
#define __MSM_PERIPHERAL_LOADER_H
struct device;
struct module;
/**
* struct pil_desc - PIL descriptor
* @name: string used for pil_get()
* @depends_on: booted before this peripheral
* @dev: parent device
* @ops: callback functions
* @owner: module the descriptor belongs to
* @proxy_timeout: delay in ms until proxy vote is removed
*/
struct pil_desc {
const char *name;
const char *depends_on;
struct device *dev;
const struct pil_reset_ops *ops;
struct module *owner;
unsigned long proxy_timeout;
};
/**
* struct pil_reset_ops - PIL operations
* @init_image: prepare an image for authentication
* @verify_blob: authenticate a program segment, called once for each loadable
* program segment (optional)
* @proxy_vote: make proxy votes before auth_and_reset (optional)
* @auth_and_reset: boot the processor
* @proxy_unvote: remove any proxy votes (optional)
* @shutdown: shutdown the processor
*/
struct pil_reset_ops {
int (*init_image)(struct pil_desc *pil, const u8 *metadata,
size_t size);
int (*verify_blob)(struct pil_desc *pil, u32 phy_addr, size_t size);
int (*proxy_vote)(struct pil_desc *pil);
int (*auth_and_reset)(struct pil_desc *pil);
void (*proxy_unvote)(struct pil_desc *pil);
int (*shutdown)(struct pil_desc *pil);
};
struct pil_device;
extern struct pil_device *msm_pil_register(struct pil_desc *desc);
extern void msm_pil_unregister(struct pil_device *pil);
#endif
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