Remove support for the GPL incompatible FTDI D2XX library
[openocd.git] / src / pld / pld.c
1 /***************************************************************************
2 * Copyright (C) 2006 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
18
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include "pld.h"
24 #include <helper/log.h>
25 #include <helper/time_support.h>
26
27
28 /* pld drivers
29 */
30 extern struct pld_driver virtex2_pld;
31
32 static struct pld_driver *pld_drivers[] = {
33 &virtex2_pld,
34 NULL,
35 };
36
37 static struct pld_device *pld_devices;
38
39 struct pld_device *get_pld_device_by_num(int num)
40 {
41 struct pld_device *p;
42 int i = 0;
43
44 for (p = pld_devices; p; p = p->next) {
45 if (i++ == num)
46 return p;
47 }
48
49 return NULL;
50 }
51
52 /* pld device <driver> [driver_options ...]
53 */
54 COMMAND_HANDLER(handle_pld_device_command)
55 {
56 int i;
57 int found = 0;
58
59 if (CMD_ARGC < 1)
60 return ERROR_COMMAND_SYNTAX_ERROR;
61
62 for (i = 0; pld_drivers[i]; i++) {
63 if (strcmp(CMD_ARGV[0], pld_drivers[i]->name) == 0) {
64 struct pld_device *p, *c;
65
66 /* register pld specific commands */
67 int retval;
68 if (pld_drivers[i]->commands) {
69 retval = register_commands(CMD_CTX, NULL,
70 pld_drivers[i]->commands);
71 if (ERROR_OK != retval) {
72 LOG_ERROR("couldn't register '%s' commands", CMD_ARGV[0]);
73 return ERROR_FAIL;
74 }
75 }
76
77 c = malloc(sizeof(struct pld_device));
78 c->driver = pld_drivers[i];
79 c->next = NULL;
80
81 retval = CALL_COMMAND_HANDLER(
82 pld_drivers[i]->pld_device_command, c);
83 if (ERROR_OK != retval) {
84 LOG_ERROR("'%s' driver rejected pld device",
85 CMD_ARGV[0]);
86 free(c);
87 return ERROR_OK;
88 }
89
90 /* put pld device in linked list */
91 if (pld_devices) {
92 /* find last pld device */
93 for (p = pld_devices; p && p->next; p = p->next)
94 ;
95 if (p)
96 p->next = c;
97 } else
98 pld_devices = c;
99
100 found = 1;
101 }
102 }
103
104 /* no matching pld driver found */
105 if (!found) {
106 LOG_ERROR("pld driver '%s' not found", CMD_ARGV[0]);
107 exit(-1);
108 }
109
110 return ERROR_OK;
111 }
112
113 COMMAND_HANDLER(handle_pld_devices_command)
114 {
115 struct pld_device *p;
116 int i = 0;
117
118 if (!pld_devices) {
119 command_print(CMD_CTX, "no pld devices configured");
120 return ERROR_OK;
121 }
122
123 for (p = pld_devices; p; p = p->next)
124 command_print(CMD_CTX, "#%i: %s", i++, p->driver->name);
125
126 return ERROR_OK;
127 }
128
129 COMMAND_HANDLER(handle_pld_load_command)
130 {
131 int retval;
132 struct timeval start, end, duration;
133 struct pld_device *p;
134
135 gettimeofday(&start, NULL);
136
137 if (CMD_ARGC < 2)
138 return ERROR_COMMAND_SYNTAX_ERROR;
139
140 unsigned dev_id;
141 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], dev_id);
142 p = get_pld_device_by_num(dev_id);
143 if (!p) {
144 command_print(CMD_CTX, "pld device '#%s' is out of bounds", CMD_ARGV[0]);
145 return ERROR_OK;
146 }
147
148 retval = p->driver->load(p, CMD_ARGV[1]);
149 if (retval != ERROR_OK) {
150 command_print(CMD_CTX, "failed loading file %s to pld device %u",
151 CMD_ARGV[1], dev_id);
152 switch (retval) {
153 }
154 return retval;
155 } else {
156 gettimeofday(&end, NULL);
157 timeval_subtract(&duration, &end, &start);
158
159 command_print(CMD_CTX, "loaded file %s to pld device %u in %jis %jius",
160 CMD_ARGV[1], dev_id,
161 (intmax_t)duration.tv_sec, (intmax_t)duration.tv_usec);
162 }
163
164 return ERROR_OK;
165 }
166
167 static const struct command_registration pld_exec_command_handlers[] = {
168 {
169 .name = "devices",
170 .handler = handle_pld_devices_command,
171 .mode = COMMAND_EXEC,
172 .help = "list configured pld devices",
173 },
174 {
175 .name = "load",
176 .handler = handle_pld_load_command,
177 .mode = COMMAND_EXEC,
178 .help = "load configuration file into PLD",
179 .usage = "pld_num filename",
180 },
181 COMMAND_REGISTRATION_DONE
182 };
183
184 static int pld_init(struct command_context *cmd_ctx)
185 {
186 if (!pld_devices)
187 return ERROR_OK;
188
189 struct command *parent = command_find_in_context(cmd_ctx, "pld");
190 return register_commands(cmd_ctx, parent, pld_exec_command_handlers);
191 }
192
193 COMMAND_HANDLER(handle_pld_init_command)
194 {
195 if (CMD_ARGC != 0)
196 return ERROR_COMMAND_SYNTAX_ERROR;
197
198 static bool pld_initialized;
199 if (pld_initialized) {
200 LOG_INFO("'pld init' has already been called");
201 return ERROR_OK;
202 }
203 pld_initialized = true;
204
205 LOG_DEBUG("Initializing PLDs...");
206 return pld_init(CMD_CTX);
207 }
208
209 static const struct command_registration pld_config_command_handlers[] = {
210 {
211 .name = "device",
212 .mode = COMMAND_CONFIG,
213 .handler = handle_pld_device_command,
214 .help = "configure a PLD device",
215 .usage = "driver_name [driver_args ... ]",
216 },
217 {
218 .name = "init",
219 .mode = COMMAND_CONFIG,
220 .handler = handle_pld_init_command,
221 .help = "initialize PLD devices",
222 .usage = ""
223 },
224 COMMAND_REGISTRATION_DONE
225 };
226 static const struct command_registration pld_command_handler[] = {
227 {
228 .name = "pld",
229 .mode = COMMAND_ANY,
230 .help = "programmable logic device commands",
231 .usage = "",
232 .chain = pld_config_command_handlers,
233 },
234 COMMAND_REGISTRATION_DONE
235 };
236 int pld_register_commands(struct command_context *cmd_ctx)
237 {
238 return register_commands(cmd_ctx, NULL, pld_command_handler);
239 }