ispfw.c revision 66169 
1/* $FreeBSD: head/sys/dev/ispfw/ispfw.c 66169 2000-09-21 16:32:38Z mjacob $ */
2/*
3 * ISP Firmware Helper Pseudo Device for FreeBSD
4 *
5 *---------------------------------------
6 * Copyright (c) 2000, by Matthew Jacob
7 * All rights reserved.
8 *---------------------------------------
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice immediately at the beginning of the file, without modification,
15 *    this list of conditions, and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/param.h>
34#include <sys/kernel.h>
35#include <sys/malloc.h>
36
37#include <dev/ispfw/asm_1040.h>
38#include <dev/ispfw/asm_1080.h>
39#include <dev/ispfw/asm_12160.h>
40#include <dev/ispfw/asm_2100.h>
41#include <dev/ispfw/asm_2200.h>
42
43#define	ISPFW_VERSION	0
44
45#define	PCI_PRODUCT_QLOGIC_ISP1020	0x1020
46#define	PCI_PRODUCT_QLOGIC_ISP1080	0x1080
47#define	PCI_PRODUCT_QLOGIC_ISP12160	0x1216
48#define	PCI_PRODUCT_QLOGIC_ISP1240	0x1240
49#define	PCI_PRODUCT_QLOGIC_ISP1280	0x1280
50#define	PCI_PRODUCT_QLOGIC_ISP2100	0x2100
51#define	PCI_PRODUCT_QLOGIC_ISP2200	0x2200
52
53typedef void ispfwfunc __P((int, int, int, const u_int16_t **));
54extern ispfwfunc *isp_get_firmware_p;
55static void isp_get_firmware __P((int, int, int, const u_int16_t **));
56
57static int ncallers = 0;
58static const u_int16_t ***callp = NULL;
59static int addcaller(const u_int16_t **);
60
61static int
62addcaller(const u_int16_t **caller)
63{
64	const u_int16_t ***newcallp;
65	int i;
66	for (i = 0; i < ncallers; i++) {
67		if (callp[i] == caller)
68			return (1);
69	}
70	newcallp = malloc((ncallers + 1) * sizeof (const u_int16_t ***),
71	    M_DEVBUF, M_NOWAIT);
72	if (newcallp == NULL) {
73		return (0);
74	}
75	for (i = 0; i < ncallers; i++) {
76		newcallp[i] = callp[i];
77	}
78	newcallp[ncallers] = caller;
79	if (ncallers++)
80		free(callp, M_DEVBUF);
81	callp = newcallp;
82	return (1);
83}
84
85static void
86isp_get_firmware(int version, int tgtmode, int devid, const u_int16_t **ptrp)
87{
88	const u_int16_t *rp = NULL;
89
90	if (version == ISPFW_VERSION) {
91		switch (devid) {
92		case PCI_PRODUCT_QLOGIC_ISP1020:
93			if (tgtmode)
94				rp = isp_1040_risc_code_it;
95			else
96				rp = isp_1040_risc_code;
97			break;
98		case PCI_PRODUCT_QLOGIC_ISP1080:
99		case PCI_PRODUCT_QLOGIC_ISP1240:
100		case PCI_PRODUCT_QLOGIC_ISP1280:
101			if (tgtmode)
102				rp = isp_1080_risc_code_it;
103			else
104				rp = isp_1080_risc_code;
105			break;
106		case PCI_PRODUCT_QLOGIC_ISP12160:
107			rp = isp_12160_risc_code;
108			break;
109		case PCI_PRODUCT_QLOGIC_ISP2100:
110			rp = isp_2100_risc_code;
111			break;
112		case PCI_PRODUCT_QLOGIC_ISP2200:
113			rp = isp_2200_risc_code;
114		default:
115			break;
116		}
117	}
118	if (rp && addcaller(ptrp)) {
119		*ptrp = rp;
120	}
121}
122
123static int
124isp_module_handler(module_t mod, int what, void *arg)
125{
126	switch (what) {
127	case MOD_LOAD:
128		isp_get_firmware_p = isp_get_firmware;
129		break;
130	case MOD_UNLOAD:
131		isp_get_firmware_p = NULL;
132		if (ncallers)  {
133			int i;
134			for (i = 0; i < ncallers; i++) {
135				*callp[i] = NULL;
136			}
137			free(callp, M_DEVBUF);
138		}
139		break;
140	default:
141		break;
142	}
143	return (0);
144}
145static moduledata_t ispfw_mod = {
146	"ispfw", isp_module_handler, NULL
147};
148DECLARE_MODULE(ispfw, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
149MODULE_VERSION(ispfw, ISPFW_VERSION);
150MODULE_DEPEND(ispfw, isp, 1, 1, 1);
151