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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/media/pci/saa7134/saa7134-video.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  * video4linux video interface
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"
....@@ -99,70 +90,58 @@
9990 
10091 static struct saa7134_format formats[] = {
10192 	{
102
-		.name     = "8 bpp gray",
10393 		.fourcc   = V4L2_PIX_FMT_GREY,
10494 		.depth    = 8,
10595 		.pm       = 0x06,
10696 	},{
107
-		.name     = "15 bpp RGB, le",
10897 		.fourcc   = V4L2_PIX_FMT_RGB555,
10998 		.depth    = 16,
11099 		.pm       = 0x13 | 0x80,
111100 	},{
112
-		.name     = "15 bpp RGB, be",
113101 		.fourcc   = V4L2_PIX_FMT_RGB555X,
114102 		.depth    = 16,
115103 		.pm       = 0x13 | 0x80,
116104 		.bswap    = 1,
117105 	},{
118
-		.name     = "16 bpp RGB, le",
119106 		.fourcc   = V4L2_PIX_FMT_RGB565,
120107 		.depth    = 16,
121108 		.pm       = 0x10 | 0x80,
122109 	},{
123
-		.name     = "16 bpp RGB, be",
124110 		.fourcc   = V4L2_PIX_FMT_RGB565X,
125111 		.depth    = 16,
126112 		.pm       = 0x10 | 0x80,
127113 		.bswap    = 1,
128114 	},{
129
-		.name     = "24 bpp RGB, le",
130115 		.fourcc   = V4L2_PIX_FMT_BGR24,
131116 		.depth    = 24,
132117 		.pm       = 0x11,
133118 	},{
134
-		.name     = "24 bpp RGB, be",
135119 		.fourcc   = V4L2_PIX_FMT_RGB24,
136120 		.depth    = 24,
137121 		.pm       = 0x11,
138122 		.bswap    = 1,
139123 	},{
140
-		.name     = "32 bpp RGB, le",
141124 		.fourcc   = V4L2_PIX_FMT_BGR32,
142125 		.depth    = 32,
143126 		.pm       = 0x12,
144127 	},{
145
-		.name     = "32 bpp RGB, be",
146128 		.fourcc   = V4L2_PIX_FMT_RGB32,
147129 		.depth    = 32,
148130 		.pm       = 0x12,
149131 		.bswap    = 1,
150132 		.wswap    = 1,
151133 	},{
152
-		.name     = "4:2:2 packed, YUYV",
153134 		.fourcc   = V4L2_PIX_FMT_YUYV,
154135 		.depth    = 16,
155136 		.pm       = 0x00,
156137 		.bswap    = 1,
157138 		.yuv      = 1,
158139 	},{
159
-		.name     = "4:2:2 packed, UYVY",
160140 		.fourcc   = V4L2_PIX_FMT_UYVY,
161141 		.depth    = 16,
162142 		.pm       = 0x00,
163143 		.yuv      = 1,
164144 	},{
165
-		.name     = "4:2:2 planar, Y-Cb-Cr",
166145 		.fourcc   = V4L2_PIX_FMT_YUV422P,
167146 		.depth    = 16,
168147 		.pm       = 0x09,
....@@ -171,7 +150,6 @@
171150 		.hshift   = 1,
172151 		.vshift   = 0,
173152 	},{
174
-		.name     = "4:2:0 planar, Y-Cb-Cr",
175153 		.fourcc   = V4L2_PIX_FMT_YUV420,
176154 		.depth    = 12,
177155 		.pm       = 0x0a,
....@@ -180,7 +158,6 @@
180158 		.hshift   = 1,
181159 		.vshift   = 1,
182160 	},{
183
-		.name     = "4:2:0 planar, Y-Cb-Cr",
184161 		.fourcc   = V4L2_PIX_FMT_YVU420,
185162 		.depth    = 12,
186163 		.pm       = 0x0a,
....@@ -729,10 +706,10 @@
729706 		return err;
730707 
731708 	dev->ovfield = dev->win.field;
732
-	video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
733
-		dev->win.w.width, dev->win.w.height,
734
-		dev->win.w.left, dev->win.w.top,
735
-		dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
709
+	video_dbg("%s %dx%d+%d+%d 0x%08x field=%s\n", __func__,
710
+		  dev->win.w.width, dev->win.w.height,
711
+		  dev->win.w.left, dev->win.w.top,
712
+		  dev->ovfmt->fourcc, v4l2_field_names[dev->ovfield]);
736713 
737714 	/* setup window + clipping */
738715 	set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
....@@ -1031,8 +1008,7 @@
10311008 	 */
10321009 	if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
10331010 	    (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1034
-		pm_qos_add_request(&dev->qos_request,
1035
-			PM_QOS_CPU_DMA_LATENCY, 20);
1011
+		cpu_latency_qos_add_request(&dev->qos_request, 20);
10361012 	dmaq->seq_nr = 0;
10371013 
10381014 	return 0;
....@@ -1047,7 +1023,7 @@
10471023 
10481024 	if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
10491025 	    (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1050
-		pm_qos_remove_request(&dev->qos_request);
1026
+		cpu_latency_qos_remove_request(&dev->qos_request);
10511027 }
10521028 
10531029 static const struct vb2_ops vb2_qops = {
....@@ -1445,7 +1421,8 @@
14451421 	if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
14461422 		return -EINVAL;
14471423 	i->index = n;
1448
-	strcpy(i->name, saa7134_input_name[card_in(dev, n).type]);
1424
+	strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1425
+		sizeof(i->name));
14491426 	switch (card_in(dev, n).type) {
14501427 	case SAA7134_INPUT_TV:
14511428 	case SAA7134_INPUT_TV_MONO:
....@@ -1497,50 +1474,20 @@
14971474 					struct v4l2_capability *cap)
14981475 {
14991476 	struct saa7134_dev *dev = video_drvdata(file);
1500
-	struct video_device *vdev = video_devdata(file);
1501
-	u32 radio_caps, video_caps, vbi_caps;
15021477 
1503
-	unsigned int tuner_type = dev->tuner_type;
1504
-
1505
-	strcpy(cap->driver, "saa7134");
1506
-	strlcpy(cap->card, saa7134_boards[dev->board].name,
1478
+	strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1479
+	strscpy(cap->card, saa7134_boards[dev->board].name,
15071480 		sizeof(cap->card));
15081481 	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1509
-
1510
-	cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1511
-	if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1512
-		cap->device_caps |= V4L2_CAP_TUNER;
1513
-
1514
-	radio_caps = V4L2_CAP_RADIO;
1482
+	cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1483
+			    V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
1484
+			    V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1485
+	if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1486
+		cap->capabilities |= V4L2_CAP_TUNER;
15151487 	if (dev->has_rds)
1516
-		radio_caps |= V4L2_CAP_RDS_CAPTURE;
1517
-
1518
-	video_caps = V4L2_CAP_VIDEO_CAPTURE;
1519
-	if (saa7134_no_overlay <= 0 && !is_empress(file))
1520
-		video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1521
-
1522
-	vbi_caps = V4L2_CAP_VBI_CAPTURE;
1523
-
1524
-	switch (vdev->vfl_type) {
1525
-	case VFL_TYPE_RADIO:
1526
-		cap->device_caps |= radio_caps;
1527
-		break;
1528
-	case VFL_TYPE_GRABBER:
1529
-		cap->device_caps |= video_caps;
1530
-		break;
1531
-	case VFL_TYPE_VBI:
1532
-		cap->device_caps |= vbi_caps;
1533
-		break;
1534
-	default:
1535
-		return -EINVAL;
1536
-	}
1537
-	cap->capabilities = radio_caps | video_caps | vbi_caps |
1538
-		cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1539
-	if (vdev->vfl_type == VFL_TYPE_RADIO) {
1540
-		cap->device_caps &= ~V4L2_CAP_STREAMING;
1541
-		if (!dev->has_rds)
1542
-			cap->device_caps &= ~V4L2_CAP_READWRITE;
1543
-	}
1488
+		cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1489
+	if (saa7134_no_overlay <= 0)
1490
+		cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
15441491 
15451492 	return 0;
15461493 }
....@@ -1649,23 +1596,22 @@
16491596 }
16501597 EXPORT_SYMBOL_GPL(saa7134_querystd);
16511598 
1652
-static int saa7134_cropcap(struct file *file, void *priv,
1653
-					struct v4l2_cropcap *cap)
1599
+static int saa7134_g_pixelaspect(struct file *file, void *priv,
1600
+				 int type, struct v4l2_fract *f)
16541601 {
16551602 	struct saa7134_dev *dev = video_drvdata(file);
16561603 
1657
-	if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1658
-	    cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1604
+	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1605
+	    type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
16591606 		return -EINVAL;
1660
-	cap->pixelaspect.numerator   = 1;
1661
-	cap->pixelaspect.denominator = 1;
1607
+
16621608 	if (dev->tvnorm->id & V4L2_STD_525_60) {
1663
-		cap->pixelaspect.numerator   = 11;
1664
-		cap->pixelaspect.denominator = 10;
1609
+		f->numerator   = 11;
1610
+		f->denominator = 10;
16651611 	}
16661612 	if (dev->tvnorm->id & V4L2_STD_625_50) {
1667
-		cap->pixelaspect.numerator   = 54;
1668
-		cap->pixelaspect.denominator = 59;
1613
+		f->numerator   = 54;
1614
+		f->denominator = 59;
16691615 	}
16701616 	return 0;
16711617 }
....@@ -1747,7 +1693,7 @@
17471693 	if (n == SAA7134_INPUT_MAX)
17481694 		return -EINVAL;
17491695 	if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1750
-		strcpy(t->name, "Television");
1696
+		strscpy(t->name, "Television", sizeof(t->name));
17511697 		t->type = V4L2_TUNER_ANALOG_TV;
17521698 		saa_call_all(dev, tuner, g_tuner, t);
17531699 		t->capability = V4L2_TUNER_CAP_NORM |
....@@ -1819,9 +1765,6 @@
18191765 	if (f->index >= FORMATS)
18201766 		return -EINVAL;
18211767 
1822
-	strlcpy(f->description, formats[f->index].name,
1823
-		sizeof(f->description));
1824
-
18251768 	f->pixelformat = formats[f->index].fourcc;
18261769 
18271770 	return 0;
....@@ -1837,9 +1780,6 @@
18371780 
18381781 	if ((f->index >= FORMATS) || formats[f->index].planar)
18391782 		return -EINVAL;
1840
-
1841
-	strlcpy(f->description, formats[f->index].name,
1842
-		sizeof(f->description));
18431783 
18441784 	f->pixelformat = formats[f->index].fourcc;
18451785 
....@@ -1939,7 +1879,7 @@
19391879 	if (0 != t->index)
19401880 		return -EINVAL;
19411881 
1942
-	strcpy(t->name, "Radio");
1882
+	strscpy(t->name, "Radio", sizeof(t->name));
19431883 
19441884 	saa_call_all(dev, tuner, g_tuner, t);
19451885 	t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
....@@ -1986,7 +1926,7 @@
19861926 	.vidioc_g_fmt_vbi_cap		= saa7134_try_get_set_fmt_vbi_cap,
19871927 	.vidioc_try_fmt_vbi_cap		= saa7134_try_get_set_fmt_vbi_cap,
19881928 	.vidioc_s_fmt_vbi_cap		= saa7134_try_get_set_fmt_vbi_cap,
1989
-	.vidioc_cropcap			= saa7134_cropcap,
1929
+	.vidioc_g_pixelaspect		= saa7134_g_pixelaspect,
19901930 	.vidioc_reqbufs			= vb2_ioctl_reqbufs,
19911931 	.vidioc_querybuf		= vb2_ioctl_querybuf,
19921932 	.vidioc_qbuf			= vb2_ioctl_qbuf,
....@@ -2136,7 +2076,7 @@
21362076 		hdl = &dev->radio_ctrl_handler;
21372077 		v4l2_ctrl_handler_init(hdl, 2);
21382078 		v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2139
-				v4l2_ctrl_radio_filter);
2079
+				v4l2_ctrl_radio_filter, false);
21402080 		if (hdl->error)
21412081 			return hdl->error;
21422082 	}
....@@ -2213,10 +2153,9 @@
22132153 
22142154 void saa7134_video_fini(struct saa7134_dev *dev)
22152155 {
2156
+	del_timer_sync(&dev->video_q.timeout);
22162157 	/* free stuff */
2217
-	vb2_queue_release(&dev->video_vbq);
22182158 	saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2219
-	vb2_queue_release(&dev->vbi_vbq);
22202159 	saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
22212160 	v4l2_ctrl_handler_free(&dev->ctrl_handler);
22222161 	if (card_has_radio(dev))