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04e554807c
Change-Id: Ibead64ce2e901dede2ddd1b86088b88f2350ce92 Signed-off-by: Duy Truong <dtruong@codeaurora.org>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
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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 version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MSM_PERIPHERAL_LOADER_H
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#define __MSM_PERIPHERAL_LOADER_H
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struct device;
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struct module;
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/**
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* struct pil_desc - PIL descriptor
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* @name: string used for pil_get()
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* @depends_on: booted before this peripheral
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* @dev: parent device
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* @ops: callback functions
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* @owner: module the descriptor belongs to
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* @proxy_timeout: delay in ms until proxy vote is removed
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*/
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struct pil_desc {
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const char *name;
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const char *depends_on;
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struct device *dev;
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const struct pil_reset_ops *ops;
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struct module *owner;
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unsigned long proxy_timeout;
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};
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/**
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* struct pil_reset_ops - PIL operations
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* @init_image: prepare an image for authentication
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* @verify_blob: authenticate a program segment, called once for each loadable
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* program segment (optional)
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* @proxy_vote: make proxy votes before auth_and_reset (optional)
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* @auth_and_reset: boot the processor
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* @proxy_unvote: remove any proxy votes (optional)
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* @shutdown: shutdown the processor
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*/
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struct pil_reset_ops {
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int (*init_image)(struct pil_desc *pil, const u8 *metadata,
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size_t size);
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int (*verify_blob)(struct pil_desc *pil, u32 phy_addr, size_t size);
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int (*proxy_vote)(struct pil_desc *pil);
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int (*auth_and_reset)(struct pil_desc *pil);
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void (*proxy_unvote)(struct pil_desc *pil);
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int (*shutdown)(struct pil_desc *pil);
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};
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struct pil_device;
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extern struct pil_device *msm_pil_register(struct pil_desc *desc);
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extern void msm_pil_unregister(struct pil_device *pil);
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#endif
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