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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/drivers/media/pci/ivtv/ivtv-ioctl.c
....@@ -1,21 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23     ioctl system call
34     Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
45     Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
56 
6
-    This program is free software; you can redistribute it and/or modify
7
-    it under the terms of the GNU General Public License as published by
8
-    the Free Software Foundation; either version 2 of the License, or
9
-    (at your option) any later version.
10
-
11
-    This program is distributed in the hope that it will be useful,
12
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
13
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
-    GNU General Public License for more details.
15
-
16
-    You should have received a copy of the GNU General Public License
17
-    along with this program; if not, write to the Free Software
18
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
197  */
208 
219 #include "ivtv-driver.h"
....@@ -36,6 +24,7 @@
3624 #include <media/tveeprom.h>
3725 #include <media/v4l2-event.h>
3826 #ifdef CONFIG_VIDEO_IVTV_DEPRECATED_IOCTLS
27
+#include <linux/compat.h>
3928 #include <linux/dvb/audio.h>
4029 #include <linux/dvb/video.h>
4130 #endif
....@@ -84,8 +73,8 @@
8473 			return 0;
8574 	}
8675 	for (i = 0; i < 32; i++) {
87
-		if ((1 << i) & set)
88
-			return 1 << i;
76
+		if (BIT(i) & set)
77
+			return BIT(i);
8978 	}
9079 	return 0;
9180 }
....@@ -454,7 +443,7 @@
454443 	struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
455444 	struct v4l2_window *winfmt = &fmt->fmt.win;
456445 
457
-	if (!(s->caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
446
+	if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
458447 		return -EINVAL;
459448 	if (!itv->osd_video_pbase)
460449 		return -EINVAL;
....@@ -565,7 +554,7 @@
565554 	u32 chromakey = fmt->fmt.win.chromakey;
566555 	u8 global_alpha = fmt->fmt.win.global_alpha;
567556 
568
-	if (!(s->caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
557
+	if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
569558 		return -EINVAL;
570559 	if (!itv->osd_video_pbase)
571560 		return -EINVAL;
....@@ -745,18 +734,11 @@
745734 {
746735 	struct ivtv_open_id *id = fh2id(file->private_data);
747736 	struct ivtv *itv = id->itv;
748
-	struct ivtv_stream *s = &itv->streams[id->type];
749737 
750
-	strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
751
-	strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
738
+	strscpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
739
+	strscpy(vcap->card, itv->card_name, sizeof(vcap->card));
752740 	snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->pdev));
753741 	vcap->capabilities = itv->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
754
-	vcap->device_caps = s->caps;
755
-	if ((s->caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY) &&
756
-	    !itv->osd_video_pbase) {
757
-		vcap->capabilities &= ~V4L2_CAP_VIDEO_OUTPUT_OVERLAY;
758
-		vcap->device_caps &= ~V4L2_CAP_VIDEO_OUTPUT_OVERLAY;
759
-	}
760742 	return 0;
761743 }
762744 
....@@ -828,17 +810,18 @@
828810 	return ivtv_get_output(itv, vout->index, vout);
829811 }
830812 
831
-static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
813
+static int ivtv_g_pixelaspect(struct file *file, void *fh,
814
+			      int type, struct v4l2_fract *f)
832815 {
833816 	struct ivtv_open_id *id = fh2id(fh);
834817 	struct ivtv *itv = id->itv;
835818 
836
-	if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
837
-		cropcap->pixelaspect.numerator = itv->is_50hz ? 54 : 11;
838
-		cropcap->pixelaspect.denominator = itv->is_50hz ? 59 : 10;
839
-	} else if (cropcap->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
840
-		cropcap->pixelaspect.numerator = itv->is_out_50hz ? 54 : 11;
841
-		cropcap->pixelaspect.denominator = itv->is_out_50hz ? 59 : 10;
819
+	if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
820
+		f->numerator = itv->is_50hz ? 54 : 11;
821
+		f->denominator = itv->is_50hz ? 59 : 10;
822
+	} else if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
823
+		f->numerator = itv->is_out_50hz ? 54 : 11;
824
+		f->denominator = itv->is_out_50hz ? 59 : 10;
842825 	} else {
843826 		return -EINVAL;
844827 	}
....@@ -937,14 +920,15 @@
937920 static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
938921 {
939922 	static const struct v4l2_fmtdesc hm12 = {
940
-		0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
941
-		"HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
942
-		{ 0, 0, 0, 0 }
923
+		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
924
+		.description = "HM12 (YUV 4:2:0)",
925
+		.pixelformat = V4L2_PIX_FMT_HM12,
943926 	};
944927 	static const struct v4l2_fmtdesc mpeg = {
945
-		0, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
946
-		"MPEG", V4L2_PIX_FMT_MPEG,
947
-		{ 0, 0, 0, 0 }
928
+		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
929
+		.flags = V4L2_FMT_FLAG_COMPRESSED,
930
+		.description = "MPEG",
931
+		.pixelformat = V4L2_PIX_FMT_MPEG,
948932 	};
949933 	struct ivtv *itv = fh2id(fh)->itv;
950934 	struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
....@@ -963,14 +947,15 @@
963947 static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
964948 {
965949 	static const struct v4l2_fmtdesc hm12 = {
966
-		0, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0,
967
-		"HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
968
-		{ 0, 0, 0, 0 }
950
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT,
951
+		.description = "HM12 (YUV 4:2:0)",
952
+		.pixelformat = V4L2_PIX_FMT_HM12,
969953 	};
970954 	static const struct v4l2_fmtdesc mpeg = {
971
-		0, V4L2_BUF_TYPE_VIDEO_OUTPUT, V4L2_FMT_FLAG_COMPRESSED,
972
-		"MPEG", V4L2_PIX_FMT_MPEG,
973
-		{ 0, 0, 0, 0 }
955
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT,
956
+		.flags = V4L2_FMT_FLAG_COMPRESSED,
957
+		.description = "MPEG",
958
+		.pixelformat = V4L2_PIX_FMT_MPEG,
974959 	};
975960 	struct ivtv *itv = fh2id(fh)->itv;
976961 	struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
....@@ -1227,9 +1212,9 @@
12271212 	ivtv_call_all(itv, tuner, g_tuner, vt);
12281213 
12291214 	if (vt->type == V4L2_TUNER_RADIO)
1230
-		strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1215
+		strscpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
12311216 	else
1232
-		strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1217
+		strscpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
12331218 	return 0;
12341219 }
12351220 
....@@ -1403,7 +1388,7 @@
14031388 		0,
14041389 	};
14051390 
1406
-	if (!(s->caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1391
+	if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
14071392 		return -ENOTTY;
14081393 	if (!itv->osd_video_pbase)
14091394 		return -ENOTTY;
....@@ -1470,7 +1455,7 @@
14701455 	struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
14711456 	struct yuv_playback_info *yi = &itv->yuv_info;
14721457 
1473
-	if (!(s->caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1458
+	if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
14741459 		return -ENOTTY;
14751460 	if (!itv->osd_video_pbase)
14761461 		return -ENOTTY;
....@@ -1490,7 +1475,7 @@
14901475 	struct ivtv *itv = id->itv;
14911476 	struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
14921477 
1493
-	if (!(s->caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1478
+	if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
14941479 		return -ENOTTY;
14951480 	if (!itv->osd_video_pbase)
14961481 		return -ENOTTY;
....@@ -1627,6 +1612,21 @@
16271612 	pr_warn_once("warning: the %s ioctl is deprecated. Don't use it, as it will be removed soon\n",
16281613 		     name);
16291614 }
1615
+
1616
+#ifdef CONFIG_COMPAT
1617
+struct compat_video_event {
1618
+	__s32 type;
1619
+	/* unused, make sure to use atomic time for y2038 if it ever gets used */
1620
+	compat_long_t timestamp;
1621
+	union {
1622
+		video_size_t size;
1623
+		unsigned int frame_rate;        /* in frames per 1000sec */
1624
+		unsigned char vsync_field;      /* unknown/odd/even/progressive */
1625
+	} u;
1626
+};
1627
+#define VIDEO_GET_EVENT32 _IOR('o', 28, struct compat_video_event)
1628
+#endif
1629
+
16301630 #endif
16311631 
16321632 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
....@@ -1749,7 +1749,13 @@
17491749 		return ivtv_video_command(itv, id, dc, try);
17501750 	}
17511751 
1752
+#ifdef CONFIG_COMPAT
1753
+	case VIDEO_GET_EVENT32:
1754
+#endif
17521755 	case VIDEO_GET_EVENT: {
1756
+#ifdef CONFIG_COMPAT
1757
+		struct compat_video_event *ev32 = arg;
1758
+#endif
17531759 		struct video_event *ev = arg;
17541760 		DEFINE_WAIT(wait);
17551761 
....@@ -1763,14 +1769,22 @@
17631769 			if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
17641770 				ev->type = VIDEO_EVENT_DECODER_STOPPED;
17651771 			else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1772
+				unsigned char vsync_field;
1773
+
17661774 				ev->type = VIDEO_EVENT_VSYNC;
1767
-				ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1775
+				vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
17681776 					VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
17691777 				if (itv->output_mode == OUT_UDMA_YUV &&
17701778 					(itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
17711779 								IVTV_YUV_MODE_PROGRESSIVE) {
1772
-					ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1780
+					vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
17731781 				}
1782
+#ifdef CONFIG_COMPAT
1783
+				if (cmd == VIDEO_GET_EVENT32)
1784
+					ev32->u.vsync_field = vsync_field;
1785
+				else
1786
+#endif
1787
+					ev->u.vsync_field = vsync_field;
17741788 			}
17751789 			if (ev->type)
17761790 				return 0;
....@@ -1893,7 +1907,7 @@
18931907 	.vidioc_enum_input		    = ivtv_enum_input,
18941908 	.vidioc_enum_output		    = ivtv_enum_output,
18951909 	.vidioc_enumaudout		    = ivtv_enumaudout,
1896
-	.vidioc_cropcap			    = ivtv_cropcap,
1910
+	.vidioc_g_pixelaspect		    = ivtv_g_pixelaspect,
18971911 	.vidioc_s_selection		    = ivtv_s_selection,
18981912 	.vidioc_g_selection		    = ivtv_g_selection,
18991913 	.vidioc_g_input			    = ivtv_g_input,