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xiongmai-opensdk-xm510: open_vi in place of the vendor xm510_vi.ko #2717

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Merged
openipc-ai merged 2 commits into from
Oct 28, 2026
+35 −14
Merged

xiongmai-opensdk-xm510: open_vi in place of the vendor xm510_vi.ko #2717

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07fa15e
xiongmai-opensdk-xm510: open_vi in place of the vendor xm510_vi.ko
openipc-ai Oct 28, 2026
8c6e114
xiongmai-osdrv-xm510: vendor VI fallback by modprobe on the vendor MMZ
openipc-ai Oct 28, 2026
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4 changes: 2 additions & 2 deletions general/package/xiongmai-opensdk-xm510/Config.in
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Expand Up @@ -3,7 +3,7 @@ config BR2_PACKAGE_XIONGMAI_OPENSDK_XM510
depends on BR2_LINUX_KERNEL
help
Library for running uclibc applications in musl environment,
and the open MMZ (open_mmz) and H.264 encoder (open_h264)
kernel modules from OpenIPC/openxiongmai.
and the open MMZ (open_mmz), H.264 encoder (open_h264) and
video input (open_vi) kernel modules from OpenIPC/openxiongmai.

https://github.com/OpenIPC/openxiongmai
14 changes: 8 additions & 6 deletions general/package/xiongmai-opensdk-xm510/xiongmai-opensdk-xm510.mk
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Expand Up @@ -5,9 +5,9 @@
################################################################################

XIONGMAI_OPENSDK_XM510_SITE = $(call github,openipc,openxiongmai,$(XIONGMAI_OPENSDK_XM510_VERSION))
XIONGMAI_OPENSDK_XM510_VERSION = 0e82ee26e74c813a7ec98496a4138d05f8c5e36f
XIONGMAI_OPENSDK_XM510_VERSION = 9498822e40875fbfc981df96cbce488c8a48b297

XIONGMAI_OPENSDK_XM510_LICENSE = MIT (libwrapper), GPL-2.0 (open_mmz, open_h264 kernel modules)
XIONGMAI_OPENSDK_XM510_LICENSE = MIT (libwrapper), GPL-2.0 (open_mmz, open_h264, open_vi kernel modules)
XIONGMAI_OPENSDK_XM510_LICENSE_FILES = LICENSE

# Install after osdrv, as xiongmai-opensdk does with xiongmai-osdrv-xm530.
Expand All @@ -17,10 +17,12 @@ endif

# The open drivers, which load_xiongmai prefers over the vendor modules:
# drivers/xm_mmz (open_mmz.ko), the XM510 mmz.ko's allocator and /proc
# layout, and drivers/hx280enc (open_h264.ko), the encoder driver in place of
# xm510_h264.ko. The kernel-module infrastructure installs them under
# /lib/modules/<kver>/extra/. Neither needs a vendor module's symbols.
XIONGMAI_OPENSDK_XM510_MODULE_SUBDIRS = drivers/xm_mmz drivers/hx280enc
# layout; drivers/hx280enc (open_h264.ko), the encoder driver in place of
# xm510_h264.ko; and drivers/xm510_vi (open_vi.ko), the VI driver in place of
# xm510_vi.ko, which releases the frames of a consumer that exits. The
# kernel-module infrastructure installs them under /lib/modules/<kver>/
# extra/. None has a module dependency: open_vi looks the MMZ symbols up.
XIONGMAI_OPENSDK_XM510_MODULE_SUBDIRS = drivers/xm_mmz drivers/hx280enc drivers/xm510_vi

# libwrapper (uclibc symbols for the vendor binaries on musl) is this
# package's own source, not openxiongmai's.
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31 changes: 25 additions & 6 deletions general/package/xiongmai-osdrv-xm510/files/script/load_xiongmai
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Expand Up @@ -72,10 +72,10 @@ remove_sns()
rmmod -w ssp_sony &> /dev/null
}

# MMZ and the encoder: the open drivers when xiongmai-opensdk-xm510 installed
# them (OpenIPC/openxiongmai drivers/xm_mmz and drivers/hx280enc), the vendor
# modules otherwise, which depmod indexes here under xiongmai/. Neither open
# module needs a vendor module's symbols.
# MMZ, VI and the encoder: the open drivers when xiongmai-opensdk-xm510
# installed them (OpenIPC/openxiongmai drivers/xm_mmz, drivers/xm510_vi and
# drivers/hx280enc), the vendor modules otherwise, which depmod indexes here
# under xiongmai/. None of the open modules needs a vendor module's symbols.
insert_mmz()
{
modprobe open_mmz mmz_start=$MEM_START mmz_size=$MEM_LEN 2>/dev/null ||
Expand All @@ -88,6 +88,25 @@ remove_mmz()
rmmod -w open_mmz 2>/dev/null || rmmod -w mmz
}

# The vendor xm510_vi.ko depends on mmz. With the vendor mmz.ko loaded,
# modprobe resolves that; on open_mmz it would load the vendor mmz.ko beside
# it, which open_mmz refuses ("exports duplicate symbol mmz_alloc"), failing
# the load, so there it is insmod, which takes the symbols open_mmz exports.
insert_vi()
{
modprobe open_vi buffer=$VI_BUFF 2>/dev/null && return
if grep -q "^mmz " /proc/modules; then
modprobe xm510_vi buffer=$VI_BUFF
else
insmod xm510_vi.ko buffer=$VI_BUFF
fi
}

remove_vi()
{
rmmod -w open_vi 2>/dev/null || rmmod -w xm510_vi
}

insert_h264()
{
modprobe open_h264 2>/dev/null || modprobe xm510_h264
Expand All @@ -110,7 +129,7 @@ insert_ko()
cd /lib/modules/3.0.101/xiongmai/
insert_sns > /dev/null
insert_mmz
insmod xm510_vi.ko buffer=$VI_BUFF
insert_vi
insmod xm510_isp.ko
insmod xm510_rgn.ko
insert_h264
Expand All @@ -129,7 +148,7 @@ remove_ko()
remove_h264
rmmod -w xm510_rgn
rmmod -w xm510_isp
rmmod -w xm510_vi
remove_vi
remove_mmz

remove_sns
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