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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/media/pci/cx88/cx88-video.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *
34  * device driver for Conexant 2388x based TV cards
....@@ -9,16 +10,6 @@
910  *	- Multituner support
1011  *	- video_ioctl2 conversion
1112  *	- PAL/M fixes
12
- *
13
- *  This program is free software; you can redistribute it and/or modify
14
- *  it under the terms of the GNU General Public License as published by
15
- *  the Free Software Foundation; either version 2 of the License, or
16
- *  (at your option) any later version.
17
- *
18
- *  This program is distributed in the hope that it will be useful,
19
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
- *  GNU General Public License for more details.
2213  */
2314 
2415 #include "cx88.h"
....@@ -42,7 +33,7 @@
4233 
4334 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
4435 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
45
-MODULE_LICENSE("GPL");
36
+MODULE_LICENSE("GPL v2");
4637 MODULE_VERSION(CX88_VERSION);
4738 
4839 /* ------------------------------------------------------------------ */
....@@ -78,62 +69,52 @@
7869 
7970 static const struct cx8800_fmt formats[] = {
8071 	{
81
-		.name     = "8 bpp, gray",
8272 		.fourcc   = V4L2_PIX_FMT_GREY,
8373 		.cxformat = ColorFormatY8,
8474 		.depth    = 8,
8575 		.flags    = FORMAT_FLAGS_PACKED,
8676 	}, {
87
-		.name     = "15 bpp RGB, le",
8877 		.fourcc   = V4L2_PIX_FMT_RGB555,
8978 		.cxformat = ColorFormatRGB15,
9079 		.depth    = 16,
9180 		.flags    = FORMAT_FLAGS_PACKED,
9281 	}, {
93
-		.name     = "15 bpp RGB, be",
9482 		.fourcc   = V4L2_PIX_FMT_RGB555X,
9583 		.cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
9684 		.depth    = 16,
9785 		.flags    = FORMAT_FLAGS_PACKED,
9886 	}, {
99
-		.name     = "16 bpp RGB, le",
10087 		.fourcc   = V4L2_PIX_FMT_RGB565,
10188 		.cxformat = ColorFormatRGB16,
10289 		.depth    = 16,
10390 		.flags    = FORMAT_FLAGS_PACKED,
10491 	}, {
105
-		.name     = "16 bpp RGB, be",
10692 		.fourcc   = V4L2_PIX_FMT_RGB565X,
10793 		.cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
10894 		.depth    = 16,
10995 		.flags    = FORMAT_FLAGS_PACKED,
11096 	}, {
111
-		.name     = "24 bpp RGB, le",
11297 		.fourcc   = V4L2_PIX_FMT_BGR24,
11398 		.cxformat = ColorFormatRGB24,
11499 		.depth    = 24,
115100 		.flags    = FORMAT_FLAGS_PACKED,
116101 	}, {
117
-		.name     = "32 bpp RGB, le",
118102 		.fourcc   = V4L2_PIX_FMT_BGR32,
119103 		.cxformat = ColorFormatRGB32,
120104 		.depth    = 32,
121105 		.flags    = FORMAT_FLAGS_PACKED,
122106 	}, {
123
-		.name     = "32 bpp RGB, be",
124107 		.fourcc   = V4L2_PIX_FMT_RGB32,
125108 		.cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
126109 			    ColorFormatWSWAP,
127110 		.depth    = 32,
128111 		.flags    = FORMAT_FLAGS_PACKED,
129112 	}, {
130
-		.name     = "4:2:2, packed, YUYV",
131113 		.fourcc   = V4L2_PIX_FMT_YUYV,
132114 		.cxformat = ColorFormatYUY2,
133115 		.depth    = 16,
134116 		.flags    = FORMAT_FLAGS_PACKED,
135117 	}, {
136
-		.name     = "4:2:2, packed, UYVY",
137118 		.fourcc   = V4L2_PIX_FMT_UYVY,
138119 		.cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
139120 		.depth    = 16,
....@@ -404,8 +385,7 @@
404385 	return 0;
405386 }
406387 
407
-#ifdef CONFIG_PM
408
-static int stop_video_dma(struct cx8800_dev    *dev)
388
+static int __maybe_unused stop_video_dma(struct cx8800_dev    *dev)
409389 {
410390 	struct cx88_core *core = dev->core;
411391 
....@@ -421,8 +401,8 @@
421401 	return 0;
422402 }
423403 
424
-static int restart_video_queue(struct cx8800_dev    *dev,
425
-			       struct cx88_dmaqueue *q)
404
+static int __maybe_unused restart_video_queue(struct cx8800_dev *dev,
405
+					      struct cx88_dmaqueue *q)
426406 {
427407 	struct cx88_buffer *buf;
428408 
....@@ -434,7 +414,6 @@
434414 	}
435415 	return 0;
436416 }
437
-#endif
438417 
439418 /* ------------------------------------------------------------------ */
440419 
....@@ -452,6 +431,7 @@
452431 
453432 static int buffer_prepare(struct vb2_buffer *vb)
454433 {
434
+	int ret;
455435 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
456436 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
457437 	struct cx88_core *core = dev->core;
....@@ -466,43 +446,43 @@
466446 
467447 	switch (core->field) {
468448 	case V4L2_FIELD_TOP:
469
-		cx88_risc_buffer(dev->pci, &buf->risc,
470
-				 sgt->sgl, 0, UNSET,
471
-				 buf->bpl, 0, core->height);
449
+		ret = cx88_risc_buffer(dev->pci, &buf->risc,
450
+				       sgt->sgl, 0, UNSET,
451
+				       buf->bpl, 0, core->height);
472452 		break;
473453 	case V4L2_FIELD_BOTTOM:
474
-		cx88_risc_buffer(dev->pci, &buf->risc,
475
-				 sgt->sgl, UNSET, 0,
476
-				 buf->bpl, 0, core->height);
454
+		ret = cx88_risc_buffer(dev->pci, &buf->risc,
455
+				       sgt->sgl, UNSET, 0,
456
+				       buf->bpl, 0, core->height);
477457 		break;
478458 	case V4L2_FIELD_SEQ_TB:
479
-		cx88_risc_buffer(dev->pci, &buf->risc,
480
-				 sgt->sgl,
481
-				 0, buf->bpl * (core->height >> 1),
482
-				 buf->bpl, 0,
483
-				 core->height >> 1);
459
+		ret = cx88_risc_buffer(dev->pci, &buf->risc,
460
+				       sgt->sgl,
461
+				       0, buf->bpl * (core->height >> 1),
462
+				       buf->bpl, 0,
463
+				       core->height >> 1);
484464 		break;
485465 	case V4L2_FIELD_SEQ_BT:
486
-		cx88_risc_buffer(dev->pci, &buf->risc,
487
-				 sgt->sgl,
488
-				 buf->bpl * (core->height >> 1), 0,
489
-				 buf->bpl, 0,
490
-				 core->height >> 1);
466
+		ret = cx88_risc_buffer(dev->pci, &buf->risc,
467
+				       sgt->sgl,
468
+				       buf->bpl * (core->height >> 1), 0,
469
+				       buf->bpl, 0,
470
+				       core->height >> 1);
491471 		break;
492472 	case V4L2_FIELD_INTERLACED:
493473 	default:
494
-		cx88_risc_buffer(dev->pci, &buf->risc,
495
-				 sgt->sgl, 0, buf->bpl,
496
-				 buf->bpl, buf->bpl,
497
-				 core->height >> 1);
474
+		ret = cx88_risc_buffer(dev->pci, &buf->risc,
475
+				       sgt->sgl, 0, buf->bpl,
476
+				       buf->bpl, buf->bpl,
477
+				       core->height >> 1);
498478 		break;
499479 	}
500480 	dprintk(2,
501
-		"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
502
-		buf, buf->vb.vb2_buf.index,
503
-		core->width, core->height, dev->fmt->depth, dev->fmt->name,
481
+		"[%p/%d] %s - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
482
+		buf, buf->vb.vb2_buf.index, __func__,
483
+		core->width, core->height, dev->fmt->depth, dev->fmt->fourcc,
504484 		(unsigned long)buf->risc.dma);
505
-	return 0;
485
+	return ret;
506486 }
507487 
508488 static void buffer_finish(struct vb2_buffer *vb)
....@@ -809,27 +789,12 @@
809789 int cx88_querycap(struct file *file, struct cx88_core *core,
810790 		  struct v4l2_capability *cap)
811791 {
812
-	struct video_device *vdev = video_devdata(file);
813
-
814
-	strlcpy(cap->card, core->board.name, sizeof(cap->card));
815
-	cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
792
+	strscpy(cap->card, core->board.name, sizeof(cap->card));
793
+	cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
794
+			    V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
795
+			    V4L2_CAP_DEVICE_CAPS;
816796 	if (core->board.tuner_type != UNSET)
817
-		cap->device_caps |= V4L2_CAP_TUNER;
818
-	switch (vdev->vfl_type) {
819
-	case VFL_TYPE_RADIO:
820
-		cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
821
-		break;
822
-	case VFL_TYPE_GRABBER:
823
-		cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
824
-		break;
825
-	case VFL_TYPE_VBI:
826
-		cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
827
-		break;
828
-	default:
829
-		return -EINVAL;
830
-	}
831
-	cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
832
-		V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
797
+		cap->capabilities |= V4L2_CAP_TUNER;
833798 	if (core->board.radio.type == CX88_RADIO)
834799 		cap->capabilities |= V4L2_CAP_RADIO;
835800 	return 0;
....@@ -842,7 +807,7 @@
842807 	struct cx8800_dev *dev = video_drvdata(file);
843808 	struct cx88_core *core = dev->core;
844809 
845
-	strcpy(cap->driver, "cx8800");
810
+	strscpy(cap->driver, "cx8800", sizeof(cap->driver));
846811 	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
847812 	return cx88_querycap(file, core, cap);
848813 }
....@@ -853,7 +818,6 @@
853818 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
854819 		return -EINVAL;
855820 
856
-	strlcpy(f->description, formats[f->index].name, sizeof(f->description));
857821 	f->pixelformat = formats[f->index].fourcc;
858822 
859823 	return 0;
....@@ -897,7 +861,7 @@
897861 	if (!INPUT(n).type)
898862 		return -EINVAL;
899863 	i->type  = V4L2_INPUT_TYPE_CAMERA;
900
-	strcpy(i->name, iname[INPUT(n).type]);
864
+	strscpy(i->name, iname[INPUT(n).type], sizeof(i->name));
901865 	if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
902866 	    (INPUT(n).type == CX88_VMUX_CABLE))
903867 		i->type = V4L2_INPUT_TYPE_TUNER;
....@@ -952,7 +916,7 @@
952916 	if (t->index != 0)
953917 		return -EINVAL;
954918 
955
-	strcpy(t->name, "Television");
919
+	strscpy(t->name, "Television", sizeof(t->name));
956920 	t->capability = V4L2_TUNER_CAP_NORM;
957921 	t->rangehigh  = 0xffffffffUL;
958922 	call_all(core, tuner, g_tuner, t);
....@@ -1065,7 +1029,7 @@
10651029 	if (unlikely(t->index > 0))
10661030 		return -EINVAL;
10671031 
1068
-	strcpy(t->name, "Radio");
1032
+	strscpy(t->name, "Radio", sizeof(t->name));
10691033 
10701034 	call_all(core, tuner, g_tuner, t);
10711035 	return 0;
....@@ -1378,7 +1342,7 @@
13781342 		if (vc->id == V4L2_CID_CHROMA_AGC)
13791343 			core->chroma_agc = vc;
13801344 	}
1381
-	v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1345
+	v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL, false);
13821346 
13831347 	/* load and configure helper modules */
13841348 
....@@ -1420,9 +1384,9 @@
14201384 		};
14211385 
14221386 		request_module("rtc-isl1208");
1423
-		core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1387
+		core->i2c_rtc = i2c_new_client_device(&core->i2c_adap, &rtc_info);
14241388 	}
1425
-		/* fall-through */
1389
+		fallthrough;
14261390 	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
14271391 		request_module("ir-kbd-i2c");
14281392 	}
....@@ -1482,7 +1446,11 @@
14821446 	video_set_drvdata(&dev->video_dev, dev);
14831447 	dev->video_dev.ctrl_handler = &core->video_hdl;
14841448 	dev->video_dev.queue = &dev->vb2_vidq;
1485
-	err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
1449
+	dev->video_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1450
+				     V4L2_CAP_VIDEO_CAPTURE;
1451
+	if (core->board.tuner_type != UNSET)
1452
+		dev->video_dev.device_caps |= V4L2_CAP_TUNER;
1453
+	err = video_register_device(&dev->video_dev, VFL_TYPE_VIDEO,
14861454 				    video_nr[core->nr]);
14871455 	if (err < 0) {
14881456 		pr_err("can't register video device\n");
....@@ -1495,6 +1463,10 @@
14951463 		       &cx8800_vbi_template, "vbi");
14961464 	video_set_drvdata(&dev->vbi_dev, dev);
14971465 	dev->vbi_dev.queue = &dev->vb2_vbiq;
1466
+	dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1467
+				   V4L2_CAP_VBI_CAPTURE;
1468
+	if (core->board.tuner_type != UNSET)
1469
+		dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
14981470 	err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
14991471 				    vbi_nr[core->nr]);
15001472 	if (err < 0) {
....@@ -1509,6 +1481,7 @@
15091481 			       &cx8800_radio_template, "radio");
15101482 		video_set_drvdata(&dev->radio_dev, dev);
15111483 		dev->radio_dev.ctrl_handler = &core->audio_hdl;
1484
+		dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
15121485 		err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
15131486 					    radio_nr[core->nr]);
15141487 		if (err < 0) {
....@@ -1577,10 +1550,9 @@
15771550 	kfree(dev);
15781551 }
15791552 
1580
-#ifdef CONFIG_PM
1581
-static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1553
+static int __maybe_unused cx8800_suspend(struct device *dev_d)
15821554 {
1583
-	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1555
+	struct cx8800_dev *dev = dev_get_drvdata(dev_d);
15841556 	struct cx88_core *core = dev->core;
15851557 	unsigned long flags;
15861558 
....@@ -1601,40 +1573,17 @@
16011573 	/* FIXME -- shutdown device */
16021574 	cx88_shutdown(core);
16031575 
1604
-	pci_save_state(pci_dev);
1605
-	if (pci_set_power_state(pci_dev,
1606
-				pci_choose_state(pci_dev, state)) != 0) {
1607
-		pci_disable_device(pci_dev);
1608
-		dev->state.disabled = 1;
1609
-	}
1576
+	dev->state.disabled = 1;
16101577 	return 0;
16111578 }
16121579 
1613
-static int cx8800_resume(struct pci_dev *pci_dev)
1580
+static int __maybe_unused cx8800_resume(struct device *dev_d)
16141581 {
1615
-	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1582
+	struct cx8800_dev *dev = dev_get_drvdata(dev_d);
16161583 	struct cx88_core *core = dev->core;
16171584 	unsigned long flags;
1618
-	int err;
16191585 
1620
-	if (dev->state.disabled) {
1621
-		err = pci_enable_device(pci_dev);
1622
-		if (err) {
1623
-			pr_err("can't enable device\n");
1624
-			return err;
1625
-		}
1626
-
1627
-		dev->state.disabled = 0;
1628
-	}
1629
-	err = pci_set_power_state(pci_dev, PCI_D0);
1630
-	if (err) {
1631
-		pr_err("can't set power state\n");
1632
-		pci_disable_device(pci_dev);
1633
-		dev->state.disabled = 1;
1634
-
1635
-		return err;
1636
-	}
1637
-	pci_restore_state(pci_dev);
1586
+	dev->state.disabled = 0;
16381587 
16391588 	/* FIXME: re-initialize hardware */
16401589 	cx88_reset(core);
....@@ -1657,7 +1606,6 @@
16571606 
16581607 	return 0;
16591608 }
1660
-#endif
16611609 
16621610 /* ----------------------------------------------------------- */
16631611 
....@@ -1673,15 +1621,14 @@
16731621 };
16741622 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
16751623 
1624
+static SIMPLE_DEV_PM_OPS(cx8800_pm_ops, cx8800_suspend, cx8800_resume);
1625
+
16761626 static struct pci_driver cx8800_pci_driver = {
1677
-	.name     = "cx8800",
1678
-	.id_table = cx8800_pci_tbl,
1679
-	.probe    = cx8800_initdev,
1680
-	.remove   = cx8800_finidev,
1681
-#ifdef CONFIG_PM
1682
-	.suspend  = cx8800_suspend,
1683
-	.resume   = cx8800_resume,
1684
-#endif
1627
+	.name      = "cx8800",
1628
+	.id_table  = cx8800_pci_tbl,
1629
+	.probe     = cx8800_initdev,
1630
+	.remove    = cx8800_finidev,
1631
+	.driver.pm = &cx8800_pm_ops,
16851632 };
16861633 
16871634 module_pci_driver(cx8800_pci_driver);