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ispfw.c
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ispfw.c
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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* ISP Firmware Modules for FreeBSD
*
* Copyright (c) 2000, 2001, 2006 by Matthew Jacob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/firmware.h>
#include <sys/kernel.h>
#include <sys/linker.h>
#include <sys/module.h>
#include <sys/systm.h>
#if defined(ISP_ALL) || !defined(KLD_MODULE)
#define ISP_2400 1
#define ISP_2500 1
#endif
#ifndef MODULE_NAME
#define MODULE_NAME "ispfw"
#endif
#if defined(ISP_2400)
#include <dev/ispfw/asm_2400.h>
#endif
#if defined(ISP_2500)
#include <dev/ispfw/asm_2500.h>
#endif
#if defined(ISP_2400)
static int isp_2400_loaded;
#endif
#if defined(ISP_2500)
static int isp_2500_loaded;
#endif
#define ISPFW_VERSION 1
#define RMACRO(token) do { \
if (token##_loaded) \
break; \
if (firmware_register(#token, token##_risc_code, \
token##_risc_code[3] * sizeof(token##_risc_code[3]), \
ISPFW_VERSION, NULL) == NULL) \
break; \
token##_loaded++; \
} while (0)
#define UMACRO(token) do { \
if (!token##_loaded) \
break; \
if (firmware_unregister(#token) != 0) { \
error = EBUSY; \
break; \
} \
token##_loaded--; \
} while (0)
static int
do_load_fw(void)
{
#if defined(ISP_2400)
RMACRO(isp_2400);
#endif
#if defined(ISP_2500)
RMACRO(isp_2500);
#endif
return (0);
}
static int
do_unload_fw(void)
{
int error = 0;
#if defined(ISP_2400)
UMACRO(isp_2400);
#endif
#if defined(ISP_2500)
UMACRO(isp_2500);
#endif
return (error);
}
static int
module_handler(module_t mod, int what, void *arg)
{
switch (what) {
case MOD_LOAD:
return (do_load_fw());
case MOD_UNLOAD:
return (do_unload_fw());
}
return (EOPNOTSUPP);
}
static moduledata_t ispfw_mod = {
MODULE_NAME, module_handler, NULL
};
#if defined(ISP_ALL) || !defined(KLD_MODULE)
DECLARE_MODULE(ispfw, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
#elif defined(ISP_2400)
DECLARE_MODULE(isp_2400, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
#elif defined(ISP_2500)
DECLARE_MODULE(isp_2500, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
#else
#error "firmware not specified"
#endif