From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/media/usb/au0828/au0828-video.c | 116 ++++++++++++++++++++++++++++------------------------------
1 files changed, 56 insertions(+), 60 deletions(-)
diff --git a/kernel/drivers/media/usb/au0828/au0828-video.c b/kernel/drivers/media/usb/au0828/au0828-video.c
index 3e111f7..aa5bc6a 100644
--- a/kernel/drivers/media/usb/au0828/au0828-video.c
+++ b/kernel/drivers/media/usb/au0828/au0828-video.c
@@ -1,18 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Auvitek AU0828 USB Bridge (Analog video support)
*
* Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org>
* Copyright (C) 2005-2008 Auvitek International, Ltd.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * As published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
/* Developer Notes:
@@ -947,8 +938,8 @@
return 0;
mutex_lock(&au0828_sysfs_lock);
- video_unregister_device(&dev->vdev);
- video_unregister_device(&dev->vbi_dev);
+ vb2_video_unregister_device(&dev->vdev);
+ vb2_video_unregister_device(&dev->vbi_dev);
mutex_unlock(&au0828_sysfs_lock);
v4l2_device_disconnect(&dev->v4l2_dev);
@@ -1051,7 +1042,7 @@
dev->streaming_users, dev->users);
mutex_lock(&dev->lock);
- if (vdev->vfl_type == VFL_TYPE_GRABBER && dev->vid_timeout_running) {
+ if (vdev->vfl_type == VFL_TYPE_VIDEO && dev->vid_timeout_running) {
/* Cancel timeout thread in case they didn't call streamoff */
dev->vid_timeout_running = 0;
del_timer_sync(&dev->vid_timeout);
@@ -1071,7 +1062,7 @@
* streaming.
*
* On most USB devices like au0828 the tuner can
- * be safely put in sleep stare here if ALSA isn't
+ * be safely put in sleep state here if ALSA isn't
* streaming. Exceptions are some very old USB tuner
* models such as em28xx-based WinTV USB2 which have
* a separate audio output jack. The devices that have
@@ -1080,7 +1071,7 @@
* so the s_power callback are silently ignored.
* So, the current logic here does the following:
* Disable (put tuner to sleep) when
- * - ALSA and DVB aren't not streaming;
+ * - ALSA and DVB aren't streaming.
* - the last V4L2 file handler is closed.
*
* FIXME:
@@ -1162,7 +1153,6 @@
format->fmt.pix.sizeimage = width * height * 2;
format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
format->fmt.pix.field = V4L2_FIELD_INTERLACED;
- format->fmt.pix.priv = 0;
if (cmd == VIDIOC_TRY_FMT)
return 0;
@@ -1191,27 +1181,20 @@
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- struct video_device *vdev = video_devdata(file);
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
- strlcpy(cap->driver, "au0828", sizeof(cap->driver));
- strlcpy(cap->card, dev->board.name, sizeof(cap->card));
+ strscpy(cap->driver, "au0828", sizeof(cap->driver));
+ strscpy(cap->card, dev->board.name, sizeof(cap->card));
usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info));
/* set the device capabilities */
- cap->device_caps = V4L2_CAP_AUDIO |
- V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING |
- V4L2_CAP_TUNER;
- if (vdev->vfl_type == VFL_TYPE_GRABBER)
- cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
- else
- cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS |
- V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE;
+ cap->capabilities =
+ V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+ V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -1223,10 +1206,6 @@
dprintk(1, "%s called\n", __func__);
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- strcpy(f->description, "Packed YUV2");
-
- f->flags = 0;
f->pixelformat = V4L2_PIX_FMT_UYVY;
return 0;
@@ -1247,7 +1226,6 @@
f->fmt.pix.sizeimage = dev->frame_size;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
- f->fmt.pix.priv = 0;
return 0;
}
@@ -1355,7 +1333,7 @@
return -EINVAL;
input->index = tmp;
- strcpy(input->name, inames[AUVI_INPUT(tmp).type]);
+ strscpy(input->name, inames[AUVI_INPUT(tmp).type], sizeof(input->name));
if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) ||
(AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) {
input->type |= V4L2_INPUT_TYPE_TUNER;
@@ -1471,9 +1449,9 @@
dprintk(1, "%s called\n", __func__);
if (a->index == 0)
- strcpy(a->name, "Television");
+ strscpy(a->name, "Television", sizeof(a->name));
else
- strcpy(a->name, "Line in");
+ strscpy(a->name, "Line in", sizeof(a->name));
a->capability = V4L2_AUDCAP_STEREO;
return 0;
@@ -1488,9 +1466,9 @@
a->index = dev->ctrl_ainput;
if (a->index == 0)
- strcpy(a->name, "Television");
+ strscpy(a->name, "Television", sizeof(a->name));
else
- strcpy(a->name, "Line in");
+ strscpy(a->name, "Line in", sizeof(a->name));
a->capability = V4L2_AUDCAP_STEREO;
return 0;
@@ -1524,7 +1502,7 @@
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
- strcpy(t->name, "Auvitek tuner");
+ strscpy(t->name, "Auvitek tuner", sizeof(t->name));
au0828_init_tuner(dev);
i2c_gate_ctrl(dev, 1);
@@ -1622,27 +1600,42 @@
return 0;
}
-static int vidioc_cropcap(struct file *file, void *priv,
- struct v4l2_cropcap *cc)
+static int vidioc_g_pixelaspect(struct file *file, void *priv,
+ int type, struct v4l2_fract *f)
{
struct au0828_dev *dev = video_drvdata(file);
- if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
- cc->bounds.left = 0;
- cc->bounds.top = 0;
- cc->bounds.width = dev->width;
- cc->bounds.height = dev->height;
+ f->numerator = 54;
+ f->denominator = 59;
- cc->defrect = cc->bounds;
+ return 0;
+}
- cc->pixelaspect.numerator = 54;
- cc->pixelaspect.denominator = 59;
+static int vidioc_g_selection(struct file *file, void *priv,
+ struct v4l2_selection *s)
+{
+ struct au0828_dev *dev = video_drvdata(file);
+ if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = dev->width;
+ s->r.height = dev->height;
+ break;
+ default:
+ return -EINVAL;
+ }
return 0;
}
@@ -1768,7 +1761,8 @@
.vidioc_enumaudio = vidioc_enumaudio,
.vidioc_g_audio = vidioc_g_audio,
.vidioc_s_audio = vidioc_s_audio,
- .vidioc_cropcap = vidioc_cropcap,
+ .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
+ .vidioc_g_selection = vidioc_g_selection,
.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_create_bufs = vb2_ioctl_create_bufs,
@@ -1984,7 +1978,10 @@
dev->vdev.lock = &dev->lock;
dev->vdev.queue = &dev->vb_vidq;
dev->vdev.queue->lock = &dev->vb_queue_lock;
- strcpy(dev->vdev.name, "au0828a video");
+ dev->vdev.device_caps =
+ V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+ V4L2_CAP_TUNER | V4L2_CAP_VIDEO_CAPTURE;
+ strscpy(dev->vdev.name, "au0828a video", sizeof(dev->vdev.name));
/* Setup the VBI device */
dev->vbi_dev = au0828_video_template;
@@ -1992,7 +1989,10 @@
dev->vbi_dev.lock = &dev->lock;
dev->vbi_dev.queue = &dev->vb_vbiq;
dev->vbi_dev.queue->lock = &dev->vb_vbi_queue_lock;
- strcpy(dev->vbi_dev.name, "au0828a vbi");
+ dev->vbi_dev.device_caps =
+ V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+ V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE;
+ strscpy(dev->vbi_dev.name, "au0828a vbi", sizeof(dev->vbi_dev.name));
/* Init entities at the Media Controller */
au0828_analog_create_entities(dev);
@@ -2007,12 +2007,11 @@
/* Register the v4l2 device */
video_set_drvdata(&dev->vdev, dev);
- retval = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1);
+ retval = video_register_device(&dev->vdev, VFL_TYPE_VIDEO, -1);
if (retval != 0) {
dprintk(1, "unable to register video device (error = %d).\n",
retval);
- ret = -ENODEV;
- goto err_reg_vdev;
+ return -ENODEV;
}
/* Register the vbi device */
@@ -2040,10 +2039,7 @@
return 0;
err_reg_vbi_dev:
- video_unregister_device(&dev->vdev);
-err_reg_vdev:
- vb2_queue_release(&dev->vb_vidq);
- vb2_queue_release(&dev->vb_vbiq);
+ vb2_video_unregister_device(&dev->vdev);
return ret;
}
--
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