media: intel/ipu6: add IPU auxiliary devices

Browse source

Even though the IPU input system and processing system are in a single PCI
device, each system has its own power sequence. Powering up the processing
system depends on first powering up the input system.

Besides, both the input and processing systems have their own MMU hardware
for IPU DMA address mapping.

Register the IS/PS devices on auxiliary bus and attach power domain to
implement the power sequence dependency.

Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

...

This commit is contained in:

Bingbu Cao 2024-01-31 17:50:54 +08:00 • committed by Hans Verkuil

parent 25fedc0219

commit cb3117b074

2 changed files with 223 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

165

drivers/media/pci/intel/ipu6/ipu6-bus.c

View file

58

drivers/media/pci/intel/ipu6/ipu6-bus.h

View file