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/*
* Copyright (c) 2006-2013, Cypress Semiconductor Corporation
* All rights reserved.
*
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ISSP_PRIV_H_
#define _ISSP_PRIV_H_
#include <linux/kernel.h>
#include <linux/issp.h>
struct issp_host {
struct platform_device *pdev;
struct issp_platform_data *pdata;
const struct firmware *fw;
const struct ihex_binrec *security_rec;
uint16_t checksum_fw;
uint8_t version_fw;
uint8_t si_id[4];
/* context to get fw data */
const struct ihex_binrec *cur_rec;
int cur_idx;
};
#define ISSP_FW_SECURITY_ADDR 0x00100000
#define ISSP_FW_CHECKSUM_ADDR 0x00200000
/* let uC go to programing state */
int issp_uc_program(struct issp_host *host);
/* let uC go to normal state */
int issp_uc_run(struct issp_host *host);
int issp_get_checksum(struct issp_host *host, uint16_t *checksum);
int issp_program(struct issp_host *host);
int issp_read_block(struct issp_host *host, uint8_t block_idx, uint8_t addr,
uint8_t *buf, int len);
/* We only support fw that stores data from low address to high address */
void issp_fw_rewind(struct issp_host *host);
void issp_fw_seek_security(struct issp_host *host);
uint8_t issp_fw_get_byte(struct issp_host *host);
void issp_uc_reset(void);
#endif
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