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16b5c9cac6
On Arm and embedded platforms, the USB buses are usually under
/sys/devices/platform. This commit allows this type of path.
Some example paths for reference:
- Raspberry Pi 3b+:
/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4:1.0/video4linux/video0
- Raspberry Pi 4b+:
/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1:1.0/video4linux/video0
- Qualcomm SA8155:
/sys/devices/platform/soc/a800000.ssusb/a800000.dwc3/xhci-hcd.0.auto/usb1/1-1/1-1:1.0/video4linux/video0
- NXP i.MX6 Ultralight:
/sys/devices/platform/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/video4linux/video0
Signed-off-by: Robert Liu <robert.liu@canonical.com>
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2016-2017 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package builtin
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const cameraSummary = `allows access to all cameras`
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const cameraBaseDeclarationSlots = `
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camera:
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allow-installation:
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slot-snap-type:
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- core
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deny-auto-connection: true
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`
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const cameraConnectedPlugAppArmor = `
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# Until we have proper device assignment, allow access to all cameras
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/dev/video[0-9]* rw,
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# VideoCore cameras (shared device with VideoCore/EGL)
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/dev/vchiq rw,
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# Allow detection of cameras. Leaks plugged in USB device info
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/sys/bus/usb/devices/ r,
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/sys/devices/pci**/usb*/**/busnum r,
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/sys/devices/pci**/usb*/**/devnum r,
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/sys/devices/pci**/usb*/**/idVendor r,
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/sys/devices/pci**/usb*/**/idProduct r,
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/sys/devices/pci**/usb*/**/interface r,
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/sys/devices/pci**/usb*/**/modalias r,
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/sys/devices/pci**/usb*/**/speed r,
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/run/udev/data/c81:[0-9]* r, # video4linux (/dev/video*, etc)
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/run/udev/data/+usb:* r,
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/sys/class/video4linux/ r,
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/sys/devices/pci**/usb*/**/video4linux/** r,
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/sys/devices/platform/**/usb*/**/video4linux/** r,
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`
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var cameraConnectedPlugUDev = []string{
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`KERNEL=="video[0-9]*"`,
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`KERNEL=="vchiq"`,
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}
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func init() {
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registerIface(&commonInterface{
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name: "camera",
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summary: cameraSummary,
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implicitOnCore: true,
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implicitOnClassic: true,
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baseDeclarationSlots: cameraBaseDeclarationSlots,
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connectedPlugAppArmor: cameraConnectedPlugAppArmor,
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connectedPlugUDev: cameraConnectedPlugUDev,
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})
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}
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