From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/drivers/media/usb/zr364xx/zr364xx.c | 129 ++++++++++++++++++++++--------------------
1 files changed, 68 insertions(+), 61 deletions(-)
diff --git a/kernel/drivers/media/usb/zr364xx/zr364xx.c b/kernel/drivers/media/usb/zr364xx/zr364xx.c
index f92d768..08b86b2 100644
--- a/kernel/drivers/media/usb/zr364xx/zr364xx.c
+++ b/kernel/drivers/media/usb/zr364xx/zr364xx.c
@@ -1,8 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Zoran 364xx based USB webcam module version 0.73
*
* Allows you to use your USB webcam with V4L2 applications
- * This is still in heavy developpement !
+ * This is still in heavy development !
*
* Copyright (C) 2004 Antoine Jacquet <royale@zerezo.com>
* http://royale.zerezo.com/zr364xx/
@@ -11,16 +12,6 @@
* V4L2 version inspired by meye.c driver
*
* Some video buffer code by Lamarque based on s2255drv.c and vivi.c drivers.
- *
- * 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.
*/
@@ -29,7 +20,6 @@
#include <linux/usb.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
-#include <linux/proc_fs.h>
#include <linux/highmem.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
@@ -150,7 +140,6 @@
};
struct zr364xx_fmt {
- char *name;
u32 fourcc;
int depth;
};
@@ -158,7 +147,6 @@
/* image formats. */
static const struct zr364xx_fmt formats[] = {
{
- .name = "JPG",
.fourcc = V4L2_PIX_FMT_JPEG,
.depth = 24
}
@@ -208,11 +196,9 @@
{
int status;
- unsigned char *transfer_buffer = kmalloc(size, GFP_KERNEL);
+ unsigned char *transfer_buffer = kmemdup(cp, size, GFP_KERNEL);
if (!transfer_buffer)
return -ENOMEM;
-
- memcpy(transfer_buffer, cp, size);
status = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
@@ -385,8 +371,7 @@
vb);
int rc;
- DBG("%s, field=%d, fmt name = %s\n", __func__, field,
- cam->fmt ? cam->fmt->name : "");
+ DBG("%s, field=%d\n", __func__, field);
if (!cam->fmt)
return -EINVAL;
@@ -521,7 +506,7 @@
/* tell v4l buffer was filled */
buf->vb.field_count = cam->frame_count * 2;
- v4l2_get_timestamp(&buf->vb.ts);
+ buf->vb.ts = ktime_get_ns();
buf->vb.state = VIDEOBUF_DONE;
}
@@ -549,7 +534,7 @@
goto unlock;
}
list_del(&buf->vb.queue);
- v4l2_get_timestamp(&buf->vb.ts);
+ buf->vb.ts = ktime_get_ns();
DBG("[%p/%d] wakeup\n", buf, buf->vb.i);
zr364xx_fillbuff(cam, buf, jpgsize);
wake_up(&buf->vb.done);
@@ -570,14 +555,12 @@
{
unsigned char *pdest;
unsigned char *psrc;
- s32 idx = -1;
- struct zr364xx_framei *frm;
+ s32 idx = cam->cur_frame;
+ struct zr364xx_framei *frm = &cam->buffer.frame[idx];
int i = 0;
unsigned char *ptr = NULL;
_DBG("buffer to user\n");
- idx = cam->cur_frame;
- frm = &cam->buffer.frame[idx];
/* swap bytes if camera needs it */
if (cam->method == METHOD0) {
@@ -702,16 +685,11 @@
{
struct zr364xx_camera *cam = video_drvdata(file);
- strlcpy(cap->driver, DRIVER_DESC, sizeof(cap->driver));
+ strscpy(cap->driver, DRIVER_DESC, sizeof(cap->driver));
if (cam->udev->product)
- strlcpy(cap->card, cam->udev->product, sizeof(cap->card));
- strlcpy(cap->bus_info, dev_name(&cam->udev->dev),
+ strscpy(cap->card, cam->udev->product, sizeof(cap->card));
+ strscpy(cap->bus_info, dev_name(&cam->udev->dev),
sizeof(cap->bus_info));
- cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
-
return 0;
}
@@ -720,7 +698,7 @@
{
if (i->index != 0)
return -EINVAL;
- strcpy(i->name, DRIVER_DESC " Camera");
+ strscpy(i->name, DRIVER_DESC " Camera", sizeof(i->name));
i->type = V4L2_INPUT_TYPE_CAMERA;
return 0;
}
@@ -765,8 +743,6 @@
{
if (f->index > 0)
return -EINVAL;
- f->flags = V4L2_FMT_FLAG_COMPRESSED;
- strcpy(f->description, formats[0].name);
f->pixelformat = formats[0].fourcc;
return 0;
}
@@ -1208,15 +1184,11 @@
return err;
}
-static void zr364xx_release(struct v4l2_device *v4l2_dev)
+static void zr364xx_board_uninit(struct zr364xx_camera *cam)
{
- struct zr364xx_camera *cam =
- container_of(v4l2_dev, struct zr364xx_camera, v4l2_dev);
unsigned long i;
- v4l2_device_unregister(&cam->v4l2_dev);
-
- videobuf_mmap_free(&cam->vb_vidq);
+ zr364xx_stop_readpipe(cam);
/* release sys buffers */
for (i = 0; i < FRAMES; i++) {
@@ -1227,9 +1199,19 @@
cam->buffer.frame[i].lpvbits = NULL;
}
- v4l2_ctrl_handler_free(&cam->ctrl_handler);
/* release transfer buffer */
kfree(cam->pipe->transfer_buffer);
+}
+
+static void zr364xx_release(struct v4l2_device *v4l2_dev)
+{
+ struct zr364xx_camera *cam =
+ container_of(v4l2_dev, struct zr364xx_camera, v4l2_dev);
+
+ videobuf_mmap_free(&cam->vb_vidq);
+ v4l2_ctrl_handler_free(&cam->ctrl_handler);
+ zr364xx_board_uninit(cam);
+ v4l2_device_unregister(&cam->v4l2_dev);
kfree(cam);
}
@@ -1339,6 +1321,8 @@
.fops = &zr364xx_fops,
.ioctl_ops = &zr364xx_ioctl_ops,
.release = video_device_release_empty,
+ .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING,
};
@@ -1350,6 +1334,7 @@
{
struct zr364xx_pipeinfo *pipe = cam->pipe;
unsigned long i;
+ int err;
DBG("board init: %p\n", cam);
memset(pipe, 0, sizeof(*pipe));
@@ -1382,9 +1367,8 @@
if (i == 0) {
printk(KERN_INFO KBUILD_MODNAME ": out of memory. Aborting\n");
- kfree(cam->pipe->transfer_buffer);
- cam->pipe->transfer_buffer = NULL;
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_free;
} else
cam->buffer.dwFrames = i;
@@ -1399,9 +1383,20 @@
/*** end create system buffers ***/
/* start read pipe */
- zr364xx_start_readpipe(cam);
+ err = zr364xx_start_readpipe(cam);
+ if (err)
+ goto err_free_frames;
+
DBG(": board initialized\n");
return 0;
+
+err_free_frames:
+ for (i = 0; i < FRAMES; i++)
+ vfree(cam->buffer.frame[i].lpvbits);
+err_free:
+ kfree(cam->pipe->transfer_buffer);
+ cam->pipe->transfer_buffer = NULL;
+ return err;
}
static int zr364xx_probe(struct usb_interface *intf,
@@ -1426,12 +1421,10 @@
if (!cam)
return -ENOMEM;
- cam->v4l2_dev.release = zr364xx_release;
err = v4l2_device_register(&intf->dev, &cam->v4l2_dev);
if (err < 0) {
dev_err(&udev->dev, "couldn't register v4l2_device\n");
- kfree(cam);
- return err;
+ goto free_cam;
}
hdl = &cam->ctrl_handler;
v4l2_ctrl_handler_init(hdl, 1);
@@ -1440,7 +1433,7 @@
if (hdl->error) {
err = hdl->error;
dev_err(&udev->dev, "couldn't register control\n");
- goto fail;
+ goto free_hdlr_and_unreg_dev;
}
/* save the init method used by this camera */
cam->method = id->driver_info;
@@ -1513,7 +1506,7 @@
if (!cam->read_endpoint) {
err = -ENOMEM;
dev_err(&intf->dev, "Could not find bulk-in endpoint\n");
- goto fail;
+ goto free_hdlr_and_unreg_dev;
}
/* v4l */
@@ -1524,10 +1517,11 @@
/* load zr364xx board specific */
err = zr364xx_board_init(cam);
- if (!err)
- err = v4l2_ctrl_handler_setup(hdl);
if (err)
- goto fail;
+ goto free_hdlr_and_unreg_dev;
+ err = v4l2_ctrl_handler_setup(hdl);
+ if (err)
+ goto board_uninit;
spin_lock_init(&cam->slock);
@@ -1539,19 +1533,23 @@
V4L2_FIELD_NONE,
sizeof(struct zr364xx_buffer), cam, &cam->lock);
- err = video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1);
+ err = video_register_device(&cam->vdev, VFL_TYPE_VIDEO, -1);
if (err) {
dev_err(&udev->dev, "video_register_device failed\n");
- goto fail;
+ goto board_uninit;
}
+ cam->v4l2_dev.release = zr364xx_release;
dev_info(&udev->dev, DRIVER_DESC " controlling device %s\n",
video_device_node_name(&cam->vdev));
return 0;
-fail:
+board_uninit:
+ zr364xx_board_uninit(cam);
+free_hdlr_and_unreg_dev:
v4l2_ctrl_handler_free(hdl);
v4l2_device_unregister(&cam->v4l2_dev);
+free_cam:
kfree(cam);
return err;
}
@@ -1598,10 +1596,19 @@
if (!cam->was_streaming)
return 0;
- zr364xx_start_readpipe(cam);
+ res = zr364xx_start_readpipe(cam);
+ if (res)
+ return res;
+
res = zr364xx_prepare(cam);
- if (!res)
- zr364xx_start_acquire(cam);
+ if (res)
+ goto err_prepare;
+
+ zr364xx_start_acquire(cam);
+ return 0;
+
+err_prepare:
+ zr364xx_stop_readpipe(cam);
return res;
}
#endif
--
Gitblit v1.6.2