xref: /freebsd-14.2/sys/dev/ispfw/ispfw.c (revision 4f306770)
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/cdefs.h>
32 #include <sys/param.h>
33 #include <sys/firmware.h>
34 #include <sys/kernel.h>
35 #include <sys/linker.h>
36 #include <sys/module.h>
37 #include <sys/systm.h>
38 
39 #if	defined(ISP_ALL) || !defined(KLD_MODULE)
40 #define	ISP_2400	1
41 #define	ISP_2500	1
42 #define	ISP_2600	1
43 #define	ISP_2700	1
44 #define	ISP_2800	1
45 #endif
46 
47 #ifndef MODULE_NAME
48 #define	MODULE_NAME	"ispfw"
49 #endif
50 
51 #if	defined(ISP_2400)
52 #include <dev/ispfw/asm_2400.h>
53 #endif
54 #if	defined(ISP_2500)
55 #include <dev/ispfw/asm_2500.h>
56 #endif
57 #if	defined(ISP_2600)
58 #include <dev/ispfw/asm_2600.h>
59 #endif
60 #if	defined(ISP_2700)
61 #include <dev/ispfw/asm_2700.h>
62 #endif
63 #if	defined(ISP_2800)
64 #include <dev/ispfw/asm_2800.h>
65 #endif
66 
67 #if	defined(ISP_2400)
68 static int	isp_2400_loaded;
69 #endif
70 #if	defined(ISP_2500)
71 static int	isp_2500_loaded;
72 #endif
73 #if	defined(ISP_2600)
74 static int	isp_2600_loaded;
75 #endif
76 #if	defined(ISP_2700)
77 static int	isp_2700_loaded;
78 #endif
79 #if	defined(ISP_2800)
80 static int	isp_2800_loaded;
81 #endif
82 
83 #define	ISPFW_VERSION	1
84 
85 #define	RMACRO(token)	do {						\
86 	if (token##_loaded)						\
87 		break;							\
88 	if (firmware_register(#token, token##_risc_code,		\
89 	    token##_risc_code[3] * sizeof(token##_risc_code[3]),	\
90 	    ISPFW_VERSION, NULL) == NULL)				\
91 		break;							\
92 	token##_loaded++;						\
93 } while (0)
94 
95 #define	UMACRO(token)	do {						\
96 	if (!token##_loaded)						\
97 		break;							\
98 	if (firmware_unregister(#token) != 0) {				\
99 		error = EBUSY;						\
100 		break;							\
101 	}								\
102 	token##_loaded--;						\
103 } while (0)
104 
105 static int
do_load_fw(void)106 do_load_fw(void)
107 {
108 
109 #if	defined(ISP_2400)
110 	RMACRO(isp_2400);
111 #endif
112 #if	defined(ISP_2500)
113 	RMACRO(isp_2500);
114 #endif
115 #if	defined(ISP_2600)
116 	RMACRO(isp_2600);
117 #endif
118 #if	defined(ISP_2700)
119 	RMACRO(isp_2700);
120 #endif
121 #if	defined(ISP_2800)
122 	RMACRO(isp_2800);
123 #endif
124 	return (0);
125 }
126 
127 static int
do_unload_fw(void)128 do_unload_fw(void)
129 {
130 	int error = 0;
131 
132 #if	defined(ISP_2400)
133 	UMACRO(isp_2400);
134 #endif
135 #if	defined(ISP_2500)
136 	UMACRO(isp_2500);
137 #endif
138 #if	defined(ISP_2600)
139 	UMACRO(isp_2600);
140 #endif
141 #if	defined(ISP_2700)
142 	UMACRO(isp_2700);
143 #endif
144 #if	defined(ISP_2800)
145 	UMACRO(isp_2800);
146 #endif
147 	return (error);
148 }
149 
150 static int
module_handler(module_t mod,int what,void * arg)151 module_handler(module_t mod, int what, void *arg)
152 {
153 
154 	switch (what) {
155 	case MOD_LOAD:
156 		return (do_load_fw());
157 	case MOD_UNLOAD:
158 		return (do_unload_fw());
159 	}
160 	return (EOPNOTSUPP);
161 }
162 static moduledata_t ispfw_mod = {
163 	MODULE_NAME, module_handler, NULL
164 };
165 #if	defined(ISP_ALL) || !defined(KLD_MODULE)
166 DECLARE_MODULE(ispfw, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
167 #elif	defined(ISP_2400)
168 DECLARE_MODULE(isp_2400, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
169 #elif	defined(ISP_2500)
170 DECLARE_MODULE(isp_2500, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
171 #elif	defined(ISP_2600)
172 DECLARE_MODULE(isp_2600, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
173 #elif	defined(ISP_2700)
174 DECLARE_MODULE(isp_2700, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
175 #elif	defined(ISP_2800)
176 DECLARE_MODULE(isp_2800, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
177 #else
178 #error	"firmware not specified"
179 #endif
180