root/sys/dev/ispfw/ispfw.c
/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * 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/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
#define ISP_2600        1
#define ISP_2700        1
#define ISP_2800        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_2600)
#include <dev/ispfw/asm_2600.h>
#endif
#if     defined(ISP_2700)
#include <dev/ispfw/asm_2700.h>
#endif
#if     defined(ISP_2800)
#include <dev/ispfw/asm_2800.h>
#endif

#if     defined(ISP_2400)
static int      isp_2400_loaded;
#endif
#if     defined(ISP_2500)
static int      isp_2500_loaded;
#endif
#if     defined(ISP_2600)
static int      isp_2600_loaded;
#endif
#if     defined(ISP_2700)
static int      isp_2700_loaded;
#endif
#if     defined(ISP_2800)
static int      isp_2800_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
#if     defined(ISP_2600)
        RMACRO(isp_2600);
#endif
#if     defined(ISP_2700)
        RMACRO(isp_2700);
#endif
#if     defined(ISP_2800)
        RMACRO(isp_2800);
#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
#if     defined(ISP_2600)
        UMACRO(isp_2600);
#endif
#if     defined(ISP_2700)
        UMACRO(isp_2700);
#endif
#if     defined(ISP_2800)
        UMACRO(isp_2800);
#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);
#elif   defined(ISP_2600)
DECLARE_MODULE(isp_2600, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
#elif   defined(ISP_2700)
DECLARE_MODULE(isp_2700, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
#elif   defined(ISP_2800)
DECLARE_MODULE(isp_2800, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
#else
#error  "firmware not specified"
#endif