carl9170 firmware tools: don't show null entries
[carl9170fw.git] / tools / src / fwinfo.c
1 /*
2  * Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation version 2 of the License.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License along
14  * with this program; if not, write to the Free Software Foundation, Inc.,
15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16  */
17
18 #include <stdlib.h>
19 #include <stdio.h>
20 #include <error.h>
21 #include <string.h>
22 #include <errno.h>
23 #include <sys/types.h>
24 #include <sys/stat.h>
25 #include <unistd.h>
26 #include <ctype.h>
27
28 #include "carlfw.h"
29
30 #include "compiler.h"
31
32 struct feature_list {
33         unsigned int id;
34         char name[64];
35         void (*func)(const struct carl9170fw_desc_head *, struct carlfw *fw);
36 };
37
38 #define CHECK_FOR_FEATURE(feature_enum)                                 \
39         { .id = feature_enum, .name = #feature_enum, .func = NULL }
40
41 #define CHECK_FOR_FEATURE_FUNC(feature_enum, _func)                     \
42         { .id = feature_enum, .name = #feature_enum, .func = _func }
43
44 static void show_miniboot_info(const struct carl9170fw_desc_head *head,
45                                struct carlfw *fw __unused)
46 {
47         const struct carl9170fw_otus_desc *otus = (const void *) head;
48
49         fprintf(stdout, "\t\t\tminiboot size: %d Bytes\n", otus->miniboot_size);
50 }
51
52 static const struct feature_list known_otus_features_v1[] = {
53         CHECK_FOR_FEATURE(CARL9170FW_DUMMY_FEATURE),
54         CHECK_FOR_FEATURE_FUNC(CARL9170FW_MINIBOOT, show_miniboot_info),
55         CHECK_FOR_FEATURE(CARL9170FW_USB_INIT_FIRMWARE),
56         CHECK_FOR_FEATURE(CARL9170FW_USB_RESP_EP2),
57         CHECK_FOR_FEATURE(CARL9170FW_USB_DOWN_STREAM),
58         CHECK_FOR_FEATURE(CARL9170FW_USB_UP_STREAM),
59         CHECK_FOR_FEATURE(CARL9170FW_UNUSABLE),
60         CHECK_FOR_FEATURE(CARL9170FW_COMMAND_PHY),
61         CHECK_FOR_FEATURE(CARL9170FW_COMMAND_CAM),
62         CHECK_FOR_FEATURE(CARL9170FW_WLANTX_CAB),
63         CHECK_FOR_FEATURE(CARL9170FW_HANDLE_BACK_REQ),
64         CHECK_FOR_FEATURE(CARL9170FW_GPIO_INTERRUPT),
65         CHECK_FOR_FEATURE(CARL9170FW_PSM),
66         CHECK_FOR_FEATURE(CARL9170FW_RX_FILTER),
67 };
68
69 static void check_feature_list(const struct carl9170fw_desc_head *head,
70                                const __le32 bitmap,
71                                const struct feature_list *list,
72                                const unsigned int entries,
73                                struct carlfw *fw)
74 {
75         unsigned int i;
76
77         for (i = 0; i < entries; i++) {
78                 if (!carl9170fw_supports(bitmap, list[i].id))
79                         continue;
80
81                 fprintf(stdout, "\t\t%2d = %s\n", list[i].id, list[i].name);
82                 if (list[i].func)
83                         list[i].func(head, fw);
84         }
85 }
86
87 static void show_otus_desc(const struct carl9170fw_desc_head *head,
88                            struct carlfw *fw)
89 {
90         const struct carl9170fw_otus_desc *otus = (const void *) head;
91
92         BUILD_BUG_ON(ARRAY_SIZE(known_otus_features_v1) != __CARL9170FW_FEATURE_NUM);
93
94         fprintf(stdout, "\tFirmware upload pointer: 0x%x\n",
95                 otus->fw_address);
96         fprintf(stdout, "\tBeacon Address: %x, (reserved:%d Bytes)\n",
97                 le32_to_cpu(otus->bcn_addr), le16_to_cpu(otus->bcn_len));
98         fprintf(stdout, "\tTX DMA chunk size:%d Bytes, TX DMA chunks:%d\n",
99                 otus->tx_frag_len, otus->tx_descs);
100         fprintf(stdout, "\t=> %d Bytes are reserved for the TX queues\n",
101                 otus->tx_frag_len * otus->tx_descs);
102         fprintf(stdout, "\tCommand response buffers:%d\n", otus->cmd_bufs);
103         fprintf(stdout, "\tMax. RX stream block size:%d Bytes\n",
104                 otus->rx_max_frame_len);
105         fprintf(stdout, "\tSupported Firmware Interfaces: %d\n", otus->vif_num);
106         fprintf(stdout, "\tFirmware API Version: %d\n", otus->api_ver);
107         fprintf(stdout, "\tSupported Features: (raw:%.08x)\n",
108                 le32_to_cpu(otus->feature_set));
109
110         check_feature_list(head, otus->feature_set, known_otus_features_v1,
111                            ARRAY_SIZE(known_otus_features_v1), fw);
112 }
113
114 static void show_motd_desc(const struct carl9170fw_desc_head *head,
115                            struct carlfw *fw __unused)
116 {
117         const struct carl9170fw_motd_desc *motd = (const void *) head;
118         char buf[CARL9170FW_MOTD_STRING_LEN];
119         unsigned int fw_date;
120
121         fw_date = motd->fw_year_month_day;
122         fprintf(stdout, "\tFirmware Build Date (YYYY-MM-DD): 2%03d-%02d-%02d\n",
123                 CARL9170FW_GET_YEAR(fw_date), CARL9170FW_GET_MONTH(fw_date),
124                 CARL9170FW_GET_DAY(fw_date));
125
126         strncpy(buf, motd->desc, CARL9170FW_MOTD_STRING_LEN);
127         fprintf(stdout, "\tFirmware Text:\"%s\"\n", buf);
128
129         strncpy(buf, motd->release, CARL9170FW_MOTD_STRING_LEN);
130         fprintf(stdout, "\tFirmware Release:\"%s\"\n", buf);
131 }
132
133 static void show_fix_desc(const struct carl9170fw_desc_head *head,
134                           struct carlfw *fw __unused)
135 {
136         const struct carl9170fw_fix_desc *fix = (const void *) head;
137         const struct carl9170fw_fix_entry *iter;
138         unsigned int i;
139
140         for (i = 0; i < (head->length - sizeof(*head)) / sizeof(*iter); i++) {
141                 iter = &fix->data[i];
142                 fprintf(stdout, "\t\t%d: 0x%.8x := 0x%.8x (0x%.8x)\n", i,
143                         le32_to_cpu(iter->address), le32_to_cpu(iter->value),
144                         le32_to_cpu(iter->mask));
145         }
146 }
147
148 static void show_dbg_desc(const struct carl9170fw_desc_head *head,
149                             struct carlfw *fw __unused)
150 {
151         const struct carl9170fw_dbg_desc *dbg = (const void *) head;
152
153 #define DBG_ADDR(_name, _reg) do {                                      \
154         unsigned int __tmp = le32_to_cpu(dbg->_reg);                    \
155         if (__tmp)                                                      \
156                 fprintf(stdout, "\t\t" _name " = 0x%.8x\n", __tmp);     \
157         } while (0);
158
159         fprintf(stdout, "\tFirmware Debug Registers/Counters\n");
160         DBG_ADDR("bogoclock    ", bogoclock_addr);
161         DBG_ADDR("counter      ", counter_addr);
162         DBG_ADDR("rx total     ", rx_total_addr);
163         DBG_ADDR("rx overrun   ", rx_overrun_addr);
164         DBG_ADDR("rx filer     ", rx_filter);
165 }
166
167 static void show_chk_desc(const struct carl9170fw_desc_head *head,
168                             struct carlfw *fw __unused)
169 {
170         const struct carl9170fw_chk_desc *chk = (const void *) head;
171
172         fprintf(stdout, "\tFirmware Descriptor CRC32: %08x\n",
173                 le32_to_cpu(chk->hdr_crc32));
174         fprintf(stdout, "\tFirmware Image CRC32: %08x\n",
175                 le32_to_cpu(chk->fw_crc32));
176 }
177
178 static void show_last_desc(const struct carl9170fw_desc_head *head,
179                            struct carlfw *fw __unused)
180
181 {
182         const struct carl9170fw_last_desc *last __unused = (const void *) head;
183
184         /* Nothing here */
185 }
186
187 #define ADD_HANDLER(_magic, _func)                              \
188         {                                                       \
189           .magic = _magic##_MAGIC,                              \
190           .min_ver = CARL9170FW_## _magic##_DESC_CUR_VER,       \
191           .func = _func,                                        \
192           .size = CARL9170FW_## _magic##_DESC_SIZE,             \
193         }
194
195 static const struct {
196         uint8_t magic[4];
197         uint8_t min_ver;
198         void (*func)(const struct carl9170fw_desc_head *, struct carlfw *);
199         uint16_t size;
200 } known_magics[] = {
201         ADD_HANDLER(OTUS, show_otus_desc),
202         ADD_HANDLER(MOTD, show_motd_desc),
203         ADD_HANDLER(DBG, show_dbg_desc),
204         ADD_HANDLER(FIX, show_fix_desc),
205         ADD_HANDLER(CHK, show_chk_desc),
206         ADD_HANDLER(LAST, show_last_desc),
207 };
208
209 static const uint8_t otus_magic[4] = { OTUS_MAGIC };
210
211 static void show_desc_head(struct carl9170fw_desc_head *head)
212 {
213 #define P(c) (isprint(c) ? c :  ' ')
214
215         fprintf(stdout, ">\t%c%c%c%c Descriptor: size:%d, compatible:%d, "
216                         "version:%d\n",
217                 P(head->magic[0]), P(head->magic[1]), P(head->magic[2]),
218                 P(head->magic[3]), le16_to_cpu(head->length), head->min_ver,
219                 head->cur_ver);
220 }
221
222 static void fwinfo_info(void)
223 {
224         fprintf(stderr, "Usage:\n");
225         fprintf(stderr, "\tfwinfo FW-FILE\n");
226
227         fprintf(stderr, "\nDescription:\n");
228         fprintf(stderr, "\tDisplay firmware descriptors information in "
229                         "a human readable form.\n");
230
231         fprintf(stderr, "\nParameteres:\n");
232         fprintf(stderr, "\t 'FW-FILE'   = firmware file/base-name\n\n");
233 }
234
235 int main(int argc, char *args[])
236 {
237         struct carlfw *fw = NULL;
238         struct carl9170fw_desc_head *fw_desc;
239         unsigned int i;
240         int err = 0;
241         size_t len;
242
243         if (argc != 2) {
244                 err = -EINVAL;
245                 goto out;
246         }
247
248         fw = carlfw_load(args[1]);
249         if (IS_ERR_OR_NULL(fw)) {
250                 err = PTR_ERR(fw);
251                 fprintf(stderr, "Failed to open firmware \"%s\" (%d).\n",
252                         args[1], err);
253                 goto out;
254         }
255
256         carlfw_get_fw(fw, &len);
257         fprintf(stdout, "General Firmware Statistics:\n");
258         fprintf(stdout, "\tFirmware file size: %u Bytes\n", len);
259         fprintf(stdout, "\t%d Descriptors in %d Bytes\n",
260                 carlfw_get_descs_num(fw), carlfw_get_descs_size(fw));
261
262         fw_desc = NULL;
263         fprintf(stdout, "\nDetailed Descriptor Description:\n");
264         while ((fw_desc = carlfw_desc_next(fw, fw_desc))) {
265                 show_desc_head(fw_desc);
266
267                 for (i = 0; i < ARRAY_SIZE(known_magics); i++) {
268                         if (carl9170fw_desc_cmp(fw_desc, known_magics[i].magic,
269                             known_magics[i].size, known_magics[i].min_ver)) {
270                                 known_magics[i].func(fw_desc, fw);
271                                 break;
272                         }
273                 }
274
275                 if (i == ARRAY_SIZE(known_magics))
276                         fprintf(stderr, "Unknown Descriptor.\n");
277
278                 fprintf(stdout, "\n");
279         }
280
281 out:
282         switch (err) {
283         case 0:
284                 break;
285
286         case -EINVAL:
287                 fwinfo_info();
288                 break;
289
290         default:
291                 fprintf(stderr, "%s\n", strerror(-err));
292                 break;
293         }
294
295         carlfw_release(fw);
296         return err ? EXIT_FAILURE : EXIT_SUCCESS;
297 }