xref: /freebsd/sys/dev/ispfw/ispfw.c (revision 06c3fb27)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * ISP Firmware Modules for FreeBSD
5  *
6  * Copyright (c) 2000, 2001, 2006 by Matthew Jacob
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice immediately at the beginning of the file, without modification,
14  *    this list of conditions, and the following disclaimer.
15  * 2. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/param.h>
32 #include <sys/firmware.h>
33 #include <sys/kernel.h>
34 #include <sys/linker.h>
35 #include <sys/module.h>
36 #include <sys/systm.h>
37 
38 #if	defined(ISP_ALL) || !defined(KLD_MODULE)
39 #define	ISP_2400	1
40 #define	ISP_2500	1
41 #endif
42 
43 #ifndef MODULE_NAME
44 #define	MODULE_NAME	"ispfw"
45 #endif
46 
47 #if	defined(ISP_2400)
48 #include <dev/ispfw/asm_2400.h>
49 #endif
50 #if	defined(ISP_2500)
51 #include <dev/ispfw/asm_2500.h>
52 #endif
53 
54 #if	defined(ISP_2400)
55 static int	isp_2400_loaded;
56 #endif
57 #if	defined(ISP_2500)
58 static int	isp_2500_loaded;
59 #endif
60 
61 #define	ISPFW_VERSION	1
62 
63 #define	RMACRO(token)	do {						\
64 	if (token##_loaded)						\
65 		break;							\
66 	if (firmware_register(#token, token##_risc_code,		\
67 	    token##_risc_code[3] * sizeof(token##_risc_code[3]),	\
68 	    ISPFW_VERSION, NULL) == NULL)				\
69 		break;							\
70 	token##_loaded++;						\
71 } while (0)
72 
73 #define	UMACRO(token)	do {						\
74 	if (!token##_loaded)						\
75 		break;							\
76 	if (firmware_unregister(#token) != 0) {				\
77 		error = EBUSY;						\
78 		break;							\
79 	}								\
80 	token##_loaded--;						\
81 } while (0)
82 
83 static int
84 do_load_fw(void)
85 {
86 
87 #if	defined(ISP_2400)
88 	RMACRO(isp_2400);
89 #endif
90 #if	defined(ISP_2500)
91 	RMACRO(isp_2500);
92 #endif
93 	return (0);
94 }
95 
96 static int
97 do_unload_fw(void)
98 {
99 	int error = 0;
100 
101 #if	defined(ISP_2400)
102 	UMACRO(isp_2400);
103 #endif
104 #if	defined(ISP_2500)
105 	UMACRO(isp_2500);
106 #endif
107 	return (error);
108 }
109 
110 static int
111 module_handler(module_t mod, int what, void *arg)
112 {
113 
114 	switch (what) {
115 	case MOD_LOAD:
116 		return (do_load_fw());
117 	case MOD_UNLOAD:
118 		return (do_unload_fw());
119 	}
120 	return (EOPNOTSUPP);
121 }
122 static moduledata_t ispfw_mod = {
123 	MODULE_NAME, module_handler, NULL
124 };
125 #if	defined(ISP_ALL) || !defined(KLD_MODULE)
126 DECLARE_MODULE(ispfw, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
127 #elif	defined(ISP_2400)
128 DECLARE_MODULE(isp_2400, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
129 #elif	defined(ISP_2500)
130 DECLARE_MODULE(isp_2500, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
131 #else
132 #error	"firmware not specified"
133 #endif
134