1 /* Asynchronous part of GSM Layer 1 */
3 /* (C) 2010 by Harald Welte <laforge@gnumonks.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include <asm/system.h>
29 #include <osmocore/msgb.h>
31 #include <layer1/sync.h>
32 #include <layer1/async.h>
33 #include <layer1/mframe_sched.h>
34 #include <layer1/sched_gsmtime.h>
35 #include <layer1/l23_api.h>
37 extern const struct tdma_sched_item rach_sched_set_ul[];
39 /* safely enable a message into the L1S TX queue */
40 void l1a_txq_msgb_enq(struct llist_head *queue, struct msgb *msg)
43 msgb_enqueue(queue, msg);
47 /* Enable a repeating multiframe task */
48 void l1a_mftask_enable(enum mframe_task task)
50 /* we don't need locking here as L1S only reads mframe.tasks */
54 /* Disable a repeating multiframe task */
55 void l1a_mftask_disable(enum mframe_task task)
57 /* we don't need locking here as L1S only reads mframe.tasks */
61 /* Set the mask for repeating multiframe tasks */
62 void l1a_mftask_set(uint32_t tasks)
64 /* we don't need locking here as L1S only reads mframe.tasks */
68 /* Initialize asynchronous part of Layer1 */
74 /* Execute pending L1A completions */
75 void l1a_compl_execute(void)
78 unsigned int scheduled;
81 /* get and reset the currently scheduled tasks */
82 local_firq_save(flags);
83 scheduled = l1s.scheduled_compl;
84 l1s.scheduled_compl = 0;
85 local_irq_restore(flags);
87 /* Iterate over list of scheduled completions, call their
88 * respective completion handler */
89 for (i = 0; i < 32; i++) {
90 if (!(scheduled & (1 << i)))
92 /* call completion function */