build: controls: Rework how controls and properties are generated

Add support for using separate YAML files for controls and properties
generation. The mapping of vendor/pipeline handler to control file is
done through the controls_map variable in include/libcamera/meson.build.

This simplifies management of vendor control definitions and avoids
possible merge conflicts when changing the control_ids.yaml file for
core and draft controls. With this change, libcamera and draft controls
and properties files are designated the 'libcamera' vendor tag.

In this change, we also rename control_ids.yaml -> control_ids_core.yaml
and property_ids.yaml -> property_ids_core.yaml to designate these as
core libcamera controls.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/py/libcamera/gen-py-controls.py b/src/py/libcamera/gen-py-controls.py
index cfcfd4d1..8ae8d512 100755
--- a/src/py/libcamera/gen-py-controls.py
+++ b/src/py/libcamera/gen-py-controls.py
@@ -95,7 +95,7 @@ def main(argv):
                         help='Output file name. Defaults to standard output if not specified.')
     parser.add_argument('--template', '-t', type=str, required=True,
                         help='Template file name.')
-    parser.add_argument('input', type=str,
+    parser.add_argument('input', type=str, nargs='+',
                         help='Input file name.')
     args = parser.parse_args(argv[1:])
 
@@ -103,11 +103,11 @@ def main(argv):
         print(f'Invalid mode option "{args.mode}"', file=sys.stderr)
         return -1
 
-    data = open(args.input, 'rb').read()
-
     controls = {}
-    vendor = yaml.safe_load(data)['vendor']
-    controls[vendor] = yaml.safe_load(data)['controls']
+    for input in args.input:
+        data = open(input, 'rb').read()
+        vendor = yaml.safe_load(data)['vendor']
+        controls[vendor] = yaml.safe_load(data)['controls']
 
     data = generate_py(controls, args.mode)