libtuning: modules: Add initial CCM module

Implement a minimal ccm calibration module. For now it doesn't take the
results from lsc into account and supports rkisp1 only.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>

3 files changed, 75 insertions, 0 deletions

diff --git a/utils/tuning/libtuning/modules/ccm/__init__.py b/utils/tuning/libtuning/modules/ccm/__init__.py
new file mode 100644
index 00000000..322602af
--- /dev/null
+++ b/utils/tuning/libtuning/modules/ccm/__init__.py
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+
+from libtuning.modules.ccm.ccm import CCM
+from libtuning.modules.ccm.rkisp1 import CCMRkISP1
diff --git a/utils/tuning/libtuning/modules/ccm/ccm.py b/utils/tuning/libtuning/modules/ccm/ccm.py
new file mode 100644
index 00000000..18702f8d
--- /dev/null
+++ b/utils/tuning/libtuning/modules/ccm/ccm.py
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+# Copyright (C) 2024, Ideas on Board
+#
+# Base Ccm tuning module
+
+from ..module import Module
+
+from libtuning.ctt_ccm import ccm
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class CCM(Module):
+    type = 'ccm'
+    hr_name = 'CCM (Base)'
+    out_name = 'GenericCCM'
+
+    def __init__(self, debug: list):
+        super().__init__()
+
+        self.debug = debug
+
+    def do_calibration(self, images):
+        logger.info('Starting CCM calibration')
+
+        imgs = [img for img in images if img.macbeth is not None]
+
+        # todo: Take LSC calibration results into account.
+        cal_cr_list = None
+        cal_cb_list = None
+
+        try:
+            ccms = ccm(imgs, cal_cr_list, cal_cb_list)
+        except ArithmeticError:
+            logger.error('CCM calibration failed')
+            return None
+
+        return ccms
diff --git a/utils/tuning/libtuning/modules/ccm/rkisp1.py b/utils/tuning/libtuning/modules/ccm/rkisp1.py
new file mode 100644
index 00000000..be0252d9
--- /dev/null
+++ b/utils/tuning/libtuning/modules/ccm/rkisp1.py
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+# Copyright (C) 2024, Ideas on Board
+#
+# Ccm module for tuning rkisp1
+
+from .ccm import CCM
+
+
+class CCMRkISP1(CCM):
+    hr_name = 'Crosstalk Correction (RkISP1)'
+    out_name = 'Ccm'
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+    # We don't need anything from the config file.
+    def validate_config(self, config: dict) -> bool:
+        return True
+
+    def process(self, config: dict, images: list, outputs: dict) -> dict:
+        output = {}
+
+        ccms = self.do_calibration(images)
+        output['ccms'] = ccms
+
+        return output