pci/saa7164/saa7164-cmd.c

22 			ret = dev->cmds[i].seqno;
31 static void saa7164_cmd_free_seqno(struct saa7164_dev *dev, u8 seqno)
34 	if ((dev->cmds[seqno].inuse == 1) &&
35 		(dev->cmds[seqno].seqno == seqno)) {
36 		dev->cmds[seqno].inuse = 0;
37 		dev->cmds[seqno].signalled = 0;
38 		dev->cmds[seqno].timeout = 0;
43 static void saa7164_cmd_timeout_seqno(struct saa7164_dev *dev, u8 seqno)
46 	if ((dev->cmds[seqno].inuse == 1) &&
47 		(dev->cmds[seqno].seqno == seqno)) {
48 		dev->cmds[seqno].timeout = 1;
53 static u32 saa7164_cmd_timeout_get(struct saa7164_dev *dev, u8 seqno)
58 	if ((dev->cmds[seqno].inuse == 1) &&
59 		(dev->cmds[seqno].seqno == seqno)) {
60 		ret = dev->cmds[seqno].timeout;
86 		q = &dev->cmds[tRsp.seqno].wait;
87 		timeout = saa7164_cmd_timeout_get(dev, tRsp.seqno);
91 				"%s() signalled seqno(%d) (for dequeue)\n",
92 				__func__, tRsp.seqno);
93 			dev->cmds[tRsp.seqno].signalled = 1;
139 		q = &dev->cmds[tRsp.seqno].wait;
140 		timeout = saa7164_cmd_timeout_get(dev, tRsp.seqno);
158 				saa7164_cmd_free_seqno(dev, tRsp.seqno);
164 		dprintk(DBGLVL_CMD, "%s() signalled seqno(%d) (for dequeue)\n",
165 			__func__, tRsp.seqno);
166 		dev->cmds[tRsp.seqno].signalled = 1;
244 static int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno)
254 	dprintk(DBGLVL_CMD, "%s(seqno=%d)\n", __func__, seqno);
257 	if ((dev->cmds[seqno].inuse == 1) &&
258 		(dev->cmds[seqno].seqno == seqno)) {
259 		q = &dev->cmds[seqno].wait;
265 		if (dev->cmds[seqno].signalled == 0) {
268 				"%s(seqno=%d) Waiting (signalled=%d)\n",
269 				__func__, seqno, dev->cmds[seqno].signalled);
278 			wait_event_timeout(*q, dev->cmds[seqno].signalled,
284 				saa7164_cmd_timeout_seqno(dev, seqno);
286 			dprintk(DBGLVL_CMD, "%s(seqno=%d) Waiting res = %d (signalled=%d)\n",
287 				__func__, seqno, r,
288 				dev->cmds[seqno].signalled);
292 		printk(KERN_ERR "%s(seqno=%d) seqno is invalid\n",
293 			__func__, seqno);
298 void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno)
307 				"seqno %d inuse, sig = %d, t/out = %d\n",
308 				dev->cmds[i].seqno,
317 			dprintk(DBGLVL_CMD, "%s(seqno=%d) calling wake_up\n",
365 	command_t.seqno = (u8)ret;
371 	dprintk(DBGLVL_CMD, "%s() pcommand_t.seqno = %d\n",
372 		__func__, pcommand_t->seqno);
382 			saa7164_cmd_free_seqno(dev, pcommand_t->seqno);
386 			saa7164_cmd_timeout_seqno(dev, pcommand_t->seqno);
397 		ret = saa7164_cmd_wait(dev, pcommand_t->seqno);
404 			saa7164_cmd_timeout_seqno(dev, pcommand_t->seqno);
424 		dprintk(DBGLVL_CMD, "%s() presponse_t->seqno = %d\n",
425 			__func__, presponse_t->seqno);
434 		if (presponse_t->seqno != pcommand_t->seqno) {
437 				"wrong event: seqno = %d, expected seqno = %d, will dequeue regardless\n",
438 				presponse_t->seqno, pcommand_t->seqno);
464 			saa7164_cmd_free_seqno(dev, pcommand_t->seqno);
554 	saa7164_cmd_free_seqno(dev, pcommand_t->seqno);