freebsd-nq/sys/dev/ispfw/ispfw.c
2000-09-21 20:16:04 +00:00

148 lines
4.0 KiB
C

/* $FreeBSD$ */
/*
* ISP Firmware Helper Pseudo Device for FreeBSD
*
* Copyright (c) 2000, 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/kernel.h>
#include <sys/malloc.h>
#include <dev/ispfw/asm_1040.h>
#include <dev/ispfw/asm_1080.h>
#include <dev/ispfw/asm_12160.h>
#include <dev/ispfw/asm_2100.h>
#include <dev/ispfw/asm_2200.h>
#define ISPFW_VERSION 0
#define PCI_PRODUCT_QLOGIC_ISP1020 0x1020
#define PCI_PRODUCT_QLOGIC_ISP1080 0x1080
#define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
#define PCI_PRODUCT_QLOGIC_ISP1240 0x1240
#define PCI_PRODUCT_QLOGIC_ISP1280 0x1280
#define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
#define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
typedef void ispfwfunc __P((int, int, int, const u_int16_t **));
extern ispfwfunc *isp_get_firmware_p;
static void isp_get_firmware __P((int, int, int, const u_int16_t **));
static int ncallers = 0;
static const u_int16_t ***callp = NULL;
static int addcaller(const u_int16_t **);
static int
addcaller(const u_int16_t **caller)
{
const u_int16_t ***newcallp;
int i;
for (i = 0; i < ncallers; i++) {
if (callp[i] == caller)
return (1);
}
newcallp = malloc((ncallers + 1) * sizeof (const u_int16_t ***),
M_DEVBUF, M_NOWAIT);
if (newcallp == NULL) {
return (0);
}
for (i = 0; i < ncallers; i++) {
newcallp[i] = callp[i];
}
newcallp[ncallers] = caller;
if (ncallers++)
free(callp, M_DEVBUF);
callp = newcallp;
return (1);
}
static void
isp_get_firmware(int version, int tgtmode, int devid, const u_int16_t **ptrp)
{
const u_int16_t *rp = NULL;
if (version == ISPFW_VERSION) {
switch (devid) {
case PCI_PRODUCT_QLOGIC_ISP1020:
if (tgtmode)
rp = isp_1040_risc_code_it;
else
rp = isp_1040_risc_code;
break;
case PCI_PRODUCT_QLOGIC_ISP1080:
case PCI_PRODUCT_QLOGIC_ISP1240:
case PCI_PRODUCT_QLOGIC_ISP1280:
if (tgtmode)
rp = isp_1080_risc_code_it;
else
rp = isp_1080_risc_code;
break;
case PCI_PRODUCT_QLOGIC_ISP12160:
rp = isp_12160_risc_code;
break;
case PCI_PRODUCT_QLOGIC_ISP2100:
rp = isp_2100_risc_code;
break;
case PCI_PRODUCT_QLOGIC_ISP2200:
rp = isp_2200_risc_code;
default:
break;
}
}
if (rp && addcaller(ptrp)) {
*ptrp = rp;
}
}
static int
isp_module_handler(module_t mod, int what, void *arg)
{
switch (what) {
case MOD_LOAD:
isp_get_firmware_p = isp_get_firmware;
break;
case MOD_UNLOAD:
isp_get_firmware_p = NULL;
if (ncallers) {
int i;
for (i = 0; i < ncallers; i++) {
*callp[i] = NULL;
}
free(callp, M_DEVBUF);
}
break;
default:
break;
}
return (0);
}
static moduledata_t ispfw_mod = {
"ispfw", isp_module_handler, NULL
};
DECLARE_MODULE(ispfw, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
MODULE_VERSION(ispfw, ISPFW_VERSION);
MODULE_DEPEND(ispfw, isp, 1, 1, 1);