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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * IEEE 1394 for Linux
3 *
4 * ConfigROM entries
5 *
6 * Copyright (C) 2004 Ben Collins
7 *
8 * This code is licensed under the GPL. See the file COPYING in the root
9 * directory of the kernel sources for details.
10 */
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <linux/types.h>
13
14#include "csr1212.h"
15#include "ieee1394.h"
16#include "ieee1394_types.h"
17#include "hosts.h"
18#include "ieee1394_core.h"
19#include "highlevel.h"
20#include "csr.h"
21#include "config_roms.h"
22
23struct hpsb_config_rom_entry {
24 const char *name;
25
26 /* Base initialization, called at module load */
27 int (*init)(void);
28
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 /* Cleanup called at module exit */
30 void (*cleanup)(void);
31
32 /* The flag added to host->config_roms */
33 unsigned int flag;
34};
35
Stefan Richterafd65462007-03-05 03:06:23 +010036/* The default host entry. This must succeed. */
Linus Torvalds1da177e2005-04-16 15:20:36 -070037int hpsb_default_host_entry(struct hpsb_host *host)
38{
39 struct csr1212_keyval *root;
40 struct csr1212_keyval *vend_id = NULL;
41 struct csr1212_keyval *text = NULL;
42 char csr_name[128];
43 int ret;
44
45 sprintf(csr_name, "Linux - %s", host->driver->name);
46 root = host->csr.rom->root_kv;
47
48 vend_id = csr1212_new_immediate(CSR1212_KV_ID_VENDOR, host->csr.guid_hi >> 8);
49 text = csr1212_new_string_descriptor_leaf(csr_name);
50
51 if (!vend_id || !text) {
52 if (vend_id)
53 csr1212_release_keyval(vend_id);
54 if (text)
55 csr1212_release_keyval(text);
56 csr1212_destroy_csr(host->csr.rom);
57 return -ENOMEM;
58 }
59
Stefan Richter64ff7122007-03-11 22:50:13 +010060 csr1212_associate_keyval(vend_id, text);
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 csr1212_release_keyval(text);
Stefan Richter64ff7122007-03-11 22:50:13 +010062 ret = csr1212_attach_keyval_to_directory(root, vend_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 csr1212_release_keyval(vend_id);
64 if (ret != CSR1212_SUCCESS) {
65 csr1212_destroy_csr(host->csr.rom);
66 return -ENOMEM;
67 }
68
69 host->update_config_rom = 1;
70
71 return 0;
72}
73
74
Stefan Richter70093cf2007-03-27 01:36:50 +020075#ifdef CONFIG_IEEE1394_ETH1394_ROM_ENTRY
Linus Torvalds1da177e2005-04-16 15:20:36 -070076#include "eth1394.h"
77
78static struct csr1212_keyval *ip1394_ud;
79
80static int config_rom_ip1394_init(void)
81{
82 struct csr1212_keyval *spec_id = NULL;
83 struct csr1212_keyval *spec_desc = NULL;
84 struct csr1212_keyval *ver = NULL;
85 struct csr1212_keyval *ver_desc = NULL;
86 int ret = -ENOMEM;
87
88 ip1394_ud = csr1212_new_directory(CSR1212_KV_ID_UNIT);
89
90 spec_id = csr1212_new_immediate(CSR1212_KV_ID_SPECIFIER_ID,
91 ETHER1394_GASP_SPECIFIER_ID);
92 spec_desc = csr1212_new_string_descriptor_leaf("IANA");
93 ver = csr1212_new_immediate(CSR1212_KV_ID_VERSION,
94 ETHER1394_GASP_VERSION);
95 ver_desc = csr1212_new_string_descriptor_leaf("IPv4");
96
97 if (!ip1394_ud || !spec_id || !spec_desc || !ver || !ver_desc)
98 goto ip1394_fail;
99
Stefan Richter64ff7122007-03-11 22:50:13 +0100100 csr1212_associate_keyval(spec_id, spec_desc);
101 csr1212_associate_keyval(ver, ver_desc);
102 if (csr1212_attach_keyval_to_directory(ip1394_ud, spec_id)
103 == CSR1212_SUCCESS &&
104 csr1212_attach_keyval_to_directory(ip1394_ud, ver)
105 == CSR1212_SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 ret = 0;
107
108ip1394_fail:
109 if (ret && ip1394_ud) {
110 csr1212_release_keyval(ip1394_ud);
111 ip1394_ud = NULL;
112 }
113
114 if (spec_id)
115 csr1212_release_keyval(spec_id);
116 if (spec_desc)
117 csr1212_release_keyval(spec_desc);
118 if (ver)
119 csr1212_release_keyval(ver);
120 if (ver_desc)
121 csr1212_release_keyval(ver_desc);
122
123 return ret;
124}
125
126static void config_rom_ip1394_cleanup(void)
127{
128 if (ip1394_ud) {
129 csr1212_release_keyval(ip1394_ud);
130 ip1394_ud = NULL;
131 }
132}
133
Stefan Richter70093cf2007-03-27 01:36:50 +0200134int hpsb_config_rom_ip1394_add(struct hpsb_host *host)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135{
136 if (!ip1394_ud)
137 return -ENODEV;
138
139 if (csr1212_attach_keyval_to_directory(host->csr.rom->root_kv,
140 ip1394_ud) != CSR1212_SUCCESS)
141 return -ENOMEM;
142
Stefan Richter70093cf2007-03-27 01:36:50 +0200143 host->config_roms |= HPSB_CONFIG_ROM_ENTRY_IP1394;
144 host->update_config_rom = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145 return 0;
146}
Stefan Richter70093cf2007-03-27 01:36:50 +0200147EXPORT_SYMBOL_GPL(hpsb_config_rom_ip1394_add);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
Stefan Richter70093cf2007-03-27 01:36:50 +0200149void hpsb_config_rom_ip1394_remove(struct hpsb_host *host)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150{
151 csr1212_detach_keyval_from_directory(host->csr.rom->root_kv, ip1394_ud);
Stefan Richter70093cf2007-03-27 01:36:50 +0200152 host->config_roms &= ~HPSB_CONFIG_ROM_ENTRY_IP1394;
153 host->update_config_rom = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154}
Stefan Richter70093cf2007-03-27 01:36:50 +0200155EXPORT_SYMBOL_GPL(hpsb_config_rom_ip1394_remove);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
157static struct hpsb_config_rom_entry ip1394_entry = {
158 .name = "ip1394",
159 .init = config_rom_ip1394_init,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160 .cleanup = config_rom_ip1394_cleanup,
161 .flag = HPSB_CONFIG_ROM_ENTRY_IP1394,
162};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163
Stefan Richter70093cf2007-03-27 01:36:50 +0200164#endif /* CONFIG_IEEE1394_ETH1394_ROM_ENTRY */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
166static struct hpsb_config_rom_entry *const config_rom_entries[] = {
Stefan Richter70093cf2007-03-27 01:36:50 +0200167#ifdef CONFIG_IEEE1394_ETH1394_ROM_ENTRY
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 &ip1394_entry,
169#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170};
171
Stefan Richterafd65462007-03-05 03:06:23 +0100172/* Initialize all config roms */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173int hpsb_init_config_roms(void)
174{
175 int i, error = 0;
176
Stefan Richter70093cf2007-03-27 01:36:50 +0200177 for (i = 0; i < ARRAY_SIZE(config_rom_entries); i++)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 if (config_rom_entries[i]->init()) {
179 HPSB_ERR("Failed to initialize config rom entry `%s'",
180 config_rom_entries[i]->name);
181 error = -1;
Stefan Richter70093cf2007-03-27 01:36:50 +0200182 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183
184 return error;
185}
186
Stefan Richterafd65462007-03-05 03:06:23 +0100187/* Cleanup all config roms */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188void hpsb_cleanup_config_roms(void)
189{
190 int i;
191
Stefan Richter70093cf2007-03-27 01:36:50 +0200192 for (i = 0; i < ARRAY_SIZE(config_rom_entries); i++)
193 config_rom_entries[i]->cleanup();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194}