From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/media/usb/uvc/uvc_driver.c | 260 +++++++++++++++++++++++++++++++++++++++------------
1 files changed, 198 insertions(+), 62 deletions(-)
diff --git a/kernel/drivers/media/usb/uvc/uvc_driver.c b/kernel/drivers/media/usb/uvc/uvc_driver.c
index a8aa77e..8b974fe 100644
--- a/kernel/drivers/media/usb/uvc/uvc_driver.c
+++ b/kernel/drivers/media/usb/uvc/uvc_driver.c
@@ -1,14 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* uvc_driver.c -- USB Video Class driver
*
* Copyright (C) 2005-2010
* Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * 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.
- *
*/
#include <linux/atomic.h>
@@ -220,6 +215,16 @@
.guid = UVC_GUID_FORMAT_INZI,
.fcc = V4L2_PIX_FMT_INZI,
},
+ {
+ .name = "4-bit Depth Confidence (Packed)",
+ .guid = UVC_GUID_FORMAT_CNF4,
+ .fcc = V4L2_PIX_FMT_CNF4,
+ },
+ {
+ .name = "HEVC",
+ .guid = UVC_GUID_FORMAT_HEVC,
+ .fcc = V4L2_PIX_FMT_HEVC,
+ },
};
/* ------------------------------------------------------------------------
@@ -254,10 +259,10 @@
return NULL;
}
-static u32 uvc_colorspace(const u8 primaries)
+static enum v4l2_colorspace uvc_colorspace(const u8 primaries)
{
- static const u8 colorprimaries[] = {
- 0,
+ static const enum v4l2_colorspace colorprimaries[] = {
+ V4L2_COLORSPACE_DEFAULT, /* Unspecified */
V4L2_COLORSPACE_SRGB,
V4L2_COLORSPACE_470_SYSTEM_M,
V4L2_COLORSPACE_470_SYSTEM_BG,
@@ -268,7 +273,61 @@
if (primaries < ARRAY_SIZE(colorprimaries))
return colorprimaries[primaries];
- return 0;
+ return V4L2_COLORSPACE_DEFAULT; /* Reserved */
+}
+
+static enum v4l2_xfer_func uvc_xfer_func(const u8 transfer_characteristics)
+{
+ /*
+ * V4L2 does not currently have definitions for all possible values of
+ * UVC transfer characteristics. If v4l2_xfer_func is extended with new
+ * values, the mapping below should be updated.
+ *
+ * Substitutions are taken from the mapping given for
+ * V4L2_XFER_FUNC_DEFAULT documented in videodev2.h.
+ */
+ static const enum v4l2_xfer_func xfer_funcs[] = {
+ V4L2_XFER_FUNC_DEFAULT, /* Unspecified */
+ V4L2_XFER_FUNC_709,
+ V4L2_XFER_FUNC_709, /* Substitution for BT.470-2 M */
+ V4L2_XFER_FUNC_709, /* Substitution for BT.470-2 B, G */
+ V4L2_XFER_FUNC_709, /* Substitution for SMPTE 170M */
+ V4L2_XFER_FUNC_SMPTE240M,
+ V4L2_XFER_FUNC_NONE,
+ V4L2_XFER_FUNC_SRGB,
+ };
+
+ if (transfer_characteristics < ARRAY_SIZE(xfer_funcs))
+ return xfer_funcs[transfer_characteristics];
+
+ return V4L2_XFER_FUNC_DEFAULT; /* Reserved */
+}
+
+static enum v4l2_ycbcr_encoding uvc_ycbcr_enc(const u8 matrix_coefficients)
+{
+ /*
+ * V4L2 does not currently have definitions for all possible values of
+ * UVC matrix coefficients. If v4l2_ycbcr_encoding is extended with new
+ * values, the mapping below should be updated.
+ *
+ * Substitutions are taken from the mapping given for
+ * V4L2_YCBCR_ENC_DEFAULT documented in videodev2.h.
+ *
+ * FCC is assumed to be close enough to 601.
+ */
+ static const enum v4l2_ycbcr_encoding ycbcr_encs[] = {
+ V4L2_YCBCR_ENC_DEFAULT, /* Unspecified */
+ V4L2_YCBCR_ENC_709,
+ V4L2_YCBCR_ENC_601, /* Substitution for FCC */
+ V4L2_YCBCR_ENC_601, /* Substitution for BT.470-2 B, G */
+ V4L2_YCBCR_ENC_601,
+ V4L2_YCBCR_ENC_SMPTE240M,
+ };
+
+ if (matrix_coefficients < ARRAY_SIZE(ycbcr_encs))
+ return ycbcr_encs[matrix_coefficients];
+
+ return V4L2_YCBCR_ENC_DEFAULT; /* Reserved */
}
/* Simplify a fraction using a simple continued fraction decomposition. The
@@ -290,7 +349,7 @@
return;
/* Convert the fraction to a simple continued fraction. See
- * http://mathforum.org/dr.math/faq/faq.fractions.html
+ * https://mathforum.org/dr.math/faq/faq.fractions.html
* Stop if the current term is bigger than or equal to the given
* threshold.
*/
@@ -477,7 +536,7 @@
fmtdesc = uvc_format_by_guid(&buffer[5]);
if (fmtdesc != NULL) {
- strlcpy(format->name, fmtdesc->name,
+ strscpy(format->name, fmtdesc->name,
sizeof(format->name));
format->fcc = fmtdesc->fcc;
} else {
@@ -495,11 +554,27 @@
*/
if (dev->quirks & UVC_QUIRK_FORCE_Y8) {
if (format->fcc == V4L2_PIX_FMT_YUYV) {
- strlcpy(format->name, "Greyscale 8-bit (Y8 )",
+ strscpy(format->name, "Greyscale 8-bit (Y8 )",
sizeof(format->name));
format->fcc = V4L2_PIX_FMT_GREY;
format->bpp = 8;
width_multiplier = 2;
+ }
+ }
+
+ /* Some devices report bpp that doesn't match the format. */
+ if (dev->quirks & UVC_QUIRK_FORCE_BPP) {
+ const struct v4l2_format_info *info =
+ v4l2_format_info(format->fcc);
+
+ if (info) {
+ unsigned int div = info->hdiv * info->vdiv;
+
+ n = info->bpp[0] * div;
+ for (i = 1; i < info->comp_planes; i++)
+ n += info->bpp[i];
+
+ format->bpp = DIV_ROUND_UP(8 * n, div);
}
}
@@ -521,7 +596,7 @@
return -EINVAL;
}
- strlcpy(format->name, "MJPEG", sizeof(format->name));
+ strscpy(format->name, "MJPEG", sizeof(format->name));
format->fcc = V4L2_PIX_FMT_MJPEG;
format->flags = UVC_FMT_FLAG_COMPRESSED;
format->bpp = 0;
@@ -539,13 +614,13 @@
switch (buffer[8] & 0x7f) {
case 0:
- strlcpy(format->name, "SD-DV", sizeof(format->name));
+ strscpy(format->name, "SD-DV", sizeof(format->name));
break;
case 1:
- strlcpy(format->name, "SDL-DV", sizeof(format->name));
+ strscpy(format->name, "SDL-DV", sizeof(format->name));
break;
case 2:
- strlcpy(format->name, "HD-DV", sizeof(format->name));
+ strscpy(format->name, "HD-DV", sizeof(format->name));
break;
default:
uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
@@ -694,6 +769,8 @@
}
format->colorspace = uvc_colorspace(buffer[3]);
+ format->xfer_func = uvc_xfer_func(buffer[4]);
+ format->ycbcr_enc = uvc_ycbcr_enc(buffer[5]);
buflen -= buffer[0];
buffer += buffer[0];
@@ -1050,10 +1127,8 @@
+ n;
memcpy(unit->extension.bmControls, &buffer[23+p], 2*n);
- if (buffer[24+p+2*n] != 0)
- usb_string(udev, buffer[24+p+2*n], unit->name,
- sizeof(unit->name));
- else
+ if (buffer[24+p+2*n] == 0 ||
+ usb_string(udev, buffer[24+p+2*n], unit->name, sizeof(unit->name)) < 0)
sprintf(unit->name, "Extension %u", buffer[3]);
list_add_tail(&unit->list, &dev->entities);
@@ -1178,15 +1253,15 @@
memcpy(term->media.bmTransportModes, &buffer[10+n], p);
}
- if (buffer[7] != 0)
- usb_string(udev, buffer[7], term->name,
- sizeof(term->name));
- else if (UVC_ENTITY_TYPE(term) == UVC_ITT_CAMERA)
- sprintf(term->name, "Camera %u", buffer[3]);
- else if (UVC_ENTITY_TYPE(term) == UVC_ITT_MEDIA_TRANSPORT_INPUT)
- sprintf(term->name, "Media %u", buffer[3]);
- else
- sprintf(term->name, "Input %u", buffer[3]);
+ if (buffer[7] == 0 ||
+ usb_string(udev, buffer[7], term->name, sizeof(term->name)) < 0) {
+ if (UVC_ENTITY_TYPE(term) == UVC_ITT_CAMERA)
+ sprintf(term->name, "Camera %u", buffer[3]);
+ if (UVC_ENTITY_TYPE(term) == UVC_ITT_MEDIA_TRANSPORT_INPUT)
+ sprintf(term->name, "Media %u", buffer[3]);
+ else
+ sprintf(term->name, "Input %u", buffer[3]);
+ }
list_add_tail(&term->list, &dev->entities);
break;
@@ -1218,10 +1293,8 @@
memcpy(term->baSourceID, &buffer[7], 1);
- if (buffer[8] != 0)
- usb_string(udev, buffer[8], term->name,
- sizeof(term->name));
- else
+ if (buffer[8] == 0 ||
+ usb_string(udev, buffer[8], term->name, sizeof(term->name)) < 0)
sprintf(term->name, "Output %u", buffer[3]);
list_add_tail(&term->list, &dev->entities);
@@ -1243,10 +1316,8 @@
memcpy(unit->baSourceID, &buffer[5], p);
- if (buffer[5+p] != 0)
- usb_string(udev, buffer[5+p], unit->name,
- sizeof(unit->name));
- else
+ if (buffer[5+p] == 0 ||
+ usb_string(udev, buffer[5+p], unit->name, sizeof(unit->name)) < 0)
sprintf(unit->name, "Selector %u", buffer[3]);
list_add_tail(&unit->list, &dev->entities);
@@ -1276,10 +1347,8 @@
if (dev->uvc_version >= 0x0110)
unit->processing.bmVideoStandards = buffer[9+n];
- if (buffer[8+n] != 0)
- usb_string(udev, buffer[8+n], unit->name,
- sizeof(unit->name));
- else
+ if (buffer[8+n] == 0 ||
+ usb_string(udev, buffer[8+n], unit->name, sizeof(unit->name)) < 0)
sprintf(unit->name, "Processing %u", buffer[3]);
list_add_tail(&unit->list, &dev->entities);
@@ -1307,10 +1376,8 @@
unit->extension.bmControls = (u8 *)unit + sizeof(*unit);
memcpy(unit->extension.bmControls, &buffer[23+p], n);
- if (buffer[23+p+n] != 0)
- usb_string(udev, buffer[23+p+n], unit->name,
- sizeof(unit->name));
- else
+ if (buffer[23+p+n] == 0 ||
+ usb_string(udev, buffer[23+p+n], unit->name, sizeof(unit->name)) < 0)
sprintf(unit->name, "Extension %u", buffer[3]);
list_add_tail(&unit->list, &dev->entities);
@@ -1517,6 +1584,31 @@
return -EINVAL;
}
+ /*
+ * Some devices reference an output terminal as the
+ * source of extension units. This is incorrect, as
+ * output terminals only have an input pin, and thus
+ * can't be connected to any entity in the forward
+ * direction. The resulting topology would cause issues
+ * when registering the media controller graph. To
+ * avoid this problem, connect the extension unit to
+ * the source of the output terminal instead.
+ */
+ if (UVC_ENTITY_IS_OTERM(entity)) {
+ struct uvc_entity *source;
+
+ source = uvc_entity_by_id(chain->dev,
+ entity->baSourceID[0]);
+ if (!source) {
+ uvc_trace(UVC_TRACE_DESCR,
+ "Can't connect extension unit %u in chain\n",
+ forward->id);
+ break;
+ }
+
+ forward->baSourceID[0] = source->id;
+ }
+
list_add_tail(&forward->chain, &chain->entities);
if (uvc_trace_param & UVC_TRACE_PROBE) {
if (!found)
@@ -1535,6 +1627,13 @@
uvc_trace(UVC_TRACE_DESCR, "Unsupported input "
"terminal %u.\n", forward->id);
return -EINVAL;
+ }
+
+ if (UVC_ENTITY_IS_OTERM(entity)) {
+ uvc_trace(UVC_TRACE_DESCR,
+ "Unsupported connection between output terminals %u and %u\n",
+ entity->id, forward->id);
+ break;
}
list_add_tail(&forward->chain, &chain->entities);
@@ -1999,7 +2098,7 @@
break;
}
- strlcpy(vdev->name, dev->name, sizeof(vdev->name));
+ strscpy(vdev->name, dev->name, sizeof(vdev->name));
/*
* Set the driver data before calling video_register_device, otherwise
@@ -2007,7 +2106,7 @@
*/
video_set_drvdata(vdev, stream);
- ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+ ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
if (ret < 0) {
uvc_printk(KERN_ERR, "Failed to register %s device (%d).\n",
v4l2_type_names[type], ret);
@@ -2094,10 +2193,9 @@
#ifdef CONFIG_MEDIA_CONTROLLER
ret = uvc_mc_register_entities(chain);
- if (ret < 0) {
- uvc_printk(KERN_INFO, "Failed to register entites "
- "(%d).\n", ret);
- }
+ if (ret < 0)
+ uvc_printk(KERN_INFO,
+ "Failed to register entities (%d).\n", ret);
#endif
}
@@ -2148,7 +2246,7 @@
? dev->info->quirks : uvc_quirks_param;
if (udev->product != NULL)
- strlcpy(dev->name, udev->product, sizeof(dev->name));
+ strscpy(dev->name, udev->product, sizeof(dev->name));
else
snprintf(dev->name, sizeof(dev->name),
"UVC Camera (%04x:%04x)",
@@ -2412,7 +2510,9 @@
.quirks = UVC_QUIRK_FORCE_Y8,
};
-#define UVC_QUIRK_INFO(q) (kernel_ulong_t)&(struct uvc_device_info){.quirks = q}
+#define UVC_INFO_QUIRK(q) (kernel_ulong_t)&(struct uvc_device_info){.quirks = q}
+#define UVC_INFO_META(m) (kernel_ulong_t)&(struct uvc_device_info) \
+ {.meta_format = m}
/*
* The Logitech cameras listed below have their interface class set to
@@ -2465,6 +2565,24 @@
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = (kernel_ulong_t)&uvc_quirk_probe_minmax },
+ /* Logitech, Webcam C910 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x046d,
+ .idProduct = 0x0821,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_WAKE_AUTOSUSPEND)},
+ /* Logitech, Webcam B910 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x046d,
+ .idProduct = 0x0823,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_WAKE_AUTOSUSPEND)},
/* Logitech Quickcam Fusion */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2521,7 +2639,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_RESTORE_CTRLS_ON_INIT) },
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_RESTORE_CTRLS_ON_INIT) },
/* Chicony CNF7129 (Asus EEE 100HE) */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2530,7 +2648,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_RESTRICT_FRAME_RATE) },
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_RESTRICT_FRAME_RATE) },
/* Alcor Micro AU3820 (Future Boy PC USB Webcam) */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2593,7 +2711,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_PROBE_MINMAX
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_PROBE_MINMAX
| UVC_QUIRK_BUILTIN_ISIGHT) },
/* Apple Built-In iSight via iBridge */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
@@ -2675,7 +2793,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_PROBE_MINMAX
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_PROBE_MINMAX
| UVC_QUIRK_PROBE_DEF) },
/* IMC Networks (Medion Akoya) */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
@@ -2775,7 +2893,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_PROBE_MINMAX
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_PROBE_MINMAX
| UVC_QUIRK_PROBE_EXTRAFIELDS) },
/* Aveo Technology USB 2.0 Camera (Tasco USB Microscope) */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
@@ -2793,7 +2911,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_PROBE_EXTRAFIELDS) },
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_PROBE_EXTRAFIELDS) },
/* Manta MM-353 Plako */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2839,7 +2957,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_STATUS_INTERVAL) },
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_STATUS_INTERVAL) },
/* MSI StarCam 370i */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2866,7 +2984,7 @@
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_INFO(UVC_QUIRK_PROBE_MINMAX
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_PROBE_MINMAX
| UVC_QUIRK_IGNORE_SELECTOR_UNIT) },
/* Oculus VR Positional Tracker DK2 */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
@@ -2886,6 +3004,24 @@
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = (kernel_ulong_t)&uvc_quirk_force_y8 },
+ /* GEO Semiconductor GC6500 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x29fe,
+ .idProduct = 0x4d53,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_FORCE_BPP) },
+ /* Intel RealSense D4M */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0b03,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
/* Generic USB Video Class */
{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
--
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