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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/drivers/media/pci/saa7134/saa7134-core.c
....@@ -1,19 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *
34  * device driver for philips saa7134 based TV cards
45  * driver core
56  *
67  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7
- *
8
- *  This program is free software; you can redistribute it and/or modify
9
- *  it under the terms of the GNU General Public License as published by
10
- *  the Free Software Foundation; either version 2 of the License, or
11
- *  (at your option) any later version.
12
- *
13
- *  This program is distributed in the hope that it will be useful,
14
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
- *  GNU General Public License for more details.
178  */
189 
1910 #include "saa7134.h"
....@@ -252,7 +243,7 @@
252243 
253244 	ptr = pt->cpu + startpage;
254245 	for (i = 0; i < length; i++, list = sg_next(list)) {
255
-		for (p = 0; p * 4096 < list->length; p++, ptr++)
246
+		for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++)
256247 			*ptr = cpu_to_le32(sg_dma_address(list) +
257248 						list->offset + p * 4096);
258249 	}
....@@ -368,14 +359,12 @@
368359 	struct saa7134_buf *tmp;
369360 
370361 	spin_lock_irqsave(&dev->slock, flags);
371
-	if (!list_empty(&q->queue)) {
372
-		list_for_each_safe(pos, n, &q->queue) {
373
-			 tmp = list_entry(pos, struct saa7134_buf, entry);
374
-			 vb2_buffer_done(&tmp->vb2.vb2_buf,
375
-					 VB2_BUF_STATE_ERROR);
376
-			 list_del(pos);
377
-			 tmp = NULL;
378
-		}
362
+	list_for_each_safe(pos, n, &q->queue) {
363
+		tmp = list_entry(pos, struct saa7134_buf, entry);
364
+		vb2_buffer_done(&tmp->vb2.vb2_buf,
365
+				VB2_BUF_STATE_ERROR);
366
+		list_del(pos);
367
+		tmp = NULL;
379368 	}
380369 	spin_unlock_irqrestore(&dev->slock, flags);
381370 	saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */
....@@ -845,12 +834,13 @@
845834 	 */
846835 	if (!decoder) {
847836 		dev->demod.name = "saa713x";
848
-		dev->demod_pad[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
849
-		dev->demod_pad[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
850
-		dev->demod_pad[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
837
+		dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
838
+		dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
839
+		dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
840
+		dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
851841 		dev->demod.function = MEDIA_ENT_F_ATV_DECODER;
852842 
853
-		ret = media_entity_pads_init(&dev->demod, DEMOD_NUM_PADS,
843
+		ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS,
854844 					     dev->demod_pad);
855845 		if (ret < 0)
856846 			pr_err("failed to initialize demod pad!\n");
....@@ -973,21 +963,21 @@
973963 
974964 	if (dev->video_dev) {
975965 		if (video_is_registered(dev->video_dev))
976
-			video_unregister_device(dev->video_dev);
966
+			vb2_video_unregister_device(dev->video_dev);
977967 		else
978968 			video_device_release(dev->video_dev);
979969 		dev->video_dev = NULL;
980970 	}
981971 	if (dev->vbi_dev) {
982972 		if (video_is_registered(dev->vbi_dev))
983
-			video_unregister_device(dev->vbi_dev);
973
+			vb2_video_unregister_device(dev->vbi_dev);
984974 		else
985975 			video_device_release(dev->vbi_dev);
986976 		dev->vbi_dev = NULL;
987977 	}
988978 	if (dev->radio_dev) {
989979 		if (video_is_registered(dev->radio_dev))
990
-			video_unregister_device(dev->radio_dev);
980
+			vb2_video_unregister_device(dev->radio_dev);
991981 		else
992982 			video_device_release(dev->radio_dev);
993983 		dev->radio_dev = NULL;
....@@ -1214,7 +1204,15 @@
12141204 	dev->video_dev->ctrl_handler = &dev->ctrl_handler;
12151205 	dev->video_dev->lock = &dev->lock;
12161206 	dev->video_dev->queue = &dev->video_vbq;
1217
-	err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1207
+	dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1208
+				      V4L2_CAP_VIDEO_CAPTURE;
1209
+	if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1210
+		dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1211
+
1212
+	if (saa7134_no_overlay <= 0)
1213
+		dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY;
1214
+
1215
+	err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO,
12181216 				    video_nr[dev->nr]);
12191217 	if (err < 0) {
12201218 		pr_info("%s: can't register video device\n",
....@@ -1228,6 +1226,10 @@
12281226 	dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
12291227 	dev->vbi_dev->lock = &dev->lock;
12301228 	dev->vbi_dev->queue = &dev->vbi_vbq;
1229
+	dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1230
+				    V4L2_CAP_VBI_CAPTURE;
1231
+	if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1232
+		dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
12311233 
12321234 	err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
12331235 				    vbi_nr[dev->nr]);
....@@ -1240,6 +1242,9 @@
12401242 		dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
12411243 		dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
12421244 		dev->radio_dev->lock = &dev->lock;
1245
+		dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1246
+		if (dev->has_rds)
1247
+			dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE;
12431248 		err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
12441249 					    radio_nr[dev->nr]);
12451250 		if (err < 0)
....@@ -1363,11 +1368,9 @@
13631368 	kfree(dev);
13641369 }
13651370 
1366
-#ifdef CONFIG_PM
1367
-
13681371 /* resends a current buffer in queue after resume */
1369
-static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1370
-				  struct saa7134_dmaqueue *q)
1372
+static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev,
1373
+						 struct saa7134_dmaqueue *q)
13711374 {
13721375 	struct saa7134_buf *buf, *next;
13731376 
....@@ -1390,8 +1393,9 @@
13901393 	return 0;
13911394 }
13921395 
1393
-static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1396
+static int __maybe_unused saa7134_suspend(struct device *dev_d)
13941397 {
1398
+	struct pci_dev *pci_dev = to_pci_dev(dev_d);
13951399 	struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
13961400 	struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
13971401 
....@@ -1418,23 +1422,17 @@
14181422 	del_timer(&dev->vbi_q.timeout);
14191423 	del_timer(&dev->ts_q.timeout);
14201424 
1421
-	if (dev->remote)
1422
-		saa7134_ir_stop(dev);
1423
-
1424
-	pci_save_state(pci_dev);
1425
-	pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1425
+	if (dev->remote && dev->remote->dev->users)
1426
+		saa7134_ir_close(dev->remote->dev);
14261427 
14271428 	return 0;
14281429 }
14291430 
1430
-static int saa7134_resume(struct pci_dev *pci_dev)
1431
+static int __maybe_unused saa7134_resume(struct device *dev_d)
14311432 {
1432
-	struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1433
+	struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
14331434 	struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
14341435 	unsigned long flags;
1435
-
1436
-	pci_set_power_state(pci_dev, PCI_D0);
1437
-	pci_restore_state(pci_dev);
14381436 
14391437 	/* Do things that are done in saa7134_initdev ,
14401438 		except of initializing memory structures.*/
....@@ -1446,8 +1444,8 @@
14461444 		saa7134_videoport_init(dev);
14471445 	if (card_has_mpeg(dev))
14481446 		saa7134_ts_init_hw(dev);
1449
-	if (dev->remote)
1450
-		saa7134_ir_start(dev);
1447
+	if (dev->remote && dev->remote->dev->users)
1448
+		saa7134_ir_open(dev->remote->dev);
14511449 	saa7134_hw_enable1(dev);
14521450 
14531451 	msleep(100);
....@@ -1483,7 +1481,6 @@
14831481 
14841482 	return 0;
14851483 }
1486
-#endif
14871484 
14881485 /* ----------------------------------------------------------- */
14891486 
....@@ -1515,15 +1512,14 @@
15151512 
15161513 /* ----------------------------------------------------------- */
15171514 
1515
+static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume);
1516
+
15181517 static struct pci_driver saa7134_pci_driver = {
15191518 	.name     = "saa7134",
15201519 	.id_table = saa7134_pci_tbl,
15211520 	.probe    = saa7134_initdev,
15221521 	.remove   = saa7134_finidev,
1523
-#ifdef CONFIG_PM
1524
-	.suspend  = saa7134_suspend,
1525
-	.resume   = saa7134_resume
1526
-#endif
1522
+	.driver.pm = &saa7134_pm_ops,
15271523 };
15281524 
15291525 static int __init saa7134_init(void)