msm: camera: export UAPI header files

Export UAPI header files for userspace to use them. Correct header file inclusion within a file. Change-Id: Ifc6736a32a8597537e2f50aa61febae89af626a9 Signed-off-by: Nirmal Abraham <[email protected]>
MiCode · Sep 7, 2022 · 15a3a59 · 15a3a59
1 parent 7d19958
commit 15a3a59
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Showing 10 changed files with 155 additions and 12 deletions.
diff --git a/Android.bp b/Android.bp
@@ -0,0 +1,50 @@
+headers_src = [
+    "include/uapi/*/**/*.h",
+]
+
+camera_headers_out = [
+    "media/cam_cpas.h",
+    "media/cam_custom.h",
+    "media/cam_defs.h",
+    "media/cam_fd.h",
+    "media/cam_icp.h",
+    "media/cam_isp.h",
+    "media/cam_isp_ife.h",
+    "media/cam_isp_tfe.h",
+    "media/cam_isp_vfe.h",
+    "media/cam_jpeg.h",
+    "media/cam_lrme.h",
+    "media/cam_ope.h",
+    "media/cam_req_mgr.h",
+    "media/cam_sensor.h",
+    "media/cam_sync.h",
+    "media/cam_tfe.h",
+]
+
+camera_kernel_headers_verbose = "--verbose "
+genrule {
+    name: "qti_generate_camera_kernel_headers",
+    tools: ["headers_install.sh",
+            "unifdef"
+    ],
+    tool_files: [
+        "camera_kernel_headers.py",
+    ],
+    srcs: headers_src,
+    cmd: "python3 -u $(location camera_kernel_headers.py) " +
+          camera_kernel_headers_verbose +
+         "--header_arch arm64 " +
+         "--gen_dir $(genDir) " +
+         "--camera_include_uapi $(locations include/uapi/*/**/*.h) " +
+         "--unifdef $(location unifdef) " +
+         "--headers_install $(location headers_install.sh)",
+    out: camera_headers_out,
+}
+
+cc_library_headers {
+    name: "qti_camera_kernel_uapi",
+    generated_headers: ["qti_generate_camera_kernel_headers"],
+    export_generated_headers: ["qti_generate_camera_kernel_headers"],
+    vendor: true,
+    recovery_available: true
+}
diff --git a/camera_kernel_headers.py b/camera_kernel_headers.py
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+
+import argparse
+import filecmp
+import os
+import re
+import subprocess
+import sys
+
+def run_headers_install(verbose, gen_dir, headers_install, unifdef, prefix, h):
+    if not h.startswith(prefix):
+        print('error: expected prefix [%s] on header [%s]' % (prefix, h))
+        return False
+
+    out_h = os.path.join(gen_dir, h[len(prefix):])
+    (out_h_dirname, out_h_basename) = os.path.split(out_h)
+    env = os.environ.copy()
+    env["LOC_UNIFDEF"] = unifdef
+    cmd = ["sh", headers_install, h, out_h]
+
+    if verbose:
+        print('run_headers_install: cmd is %s' % cmd)
+
+    result = subprocess.call(cmd, env=env)
+
+    if result != 0:
+        print('error: run_headers_install: cmd %s failed %d' % (cmd, result))
+        return False
+    return True
+
+def gen_camera_headers(verbose, gen_dir, headers_install, unifdef, camera_include_uapi):
+    error_count = 0
+    for h in camera_include_uapi:
+        camera_uapi_include_prefix = os.path.join(h.split('/include/uapi/camera')[0],
+                                                 'include',
+                                                 'uapi',
+                                                 'camera') + os.sep
+
+        if not run_headers_install(
+                verbose, gen_dir, headers_install, unifdef,
+                camera_uapi_include_prefix, h): error_count += 1
+    return error_count
+
+def main():
+    """Parse command line arguments and perform top level control."""
+    parser = argparse.ArgumentParser(
+            description=__doc__,
+            formatter_class=argparse.RawDescriptionHelpFormatter)
+
+    # Arguments that apply to every invocation of this script.
+    parser.add_argument(
+            '--verbose', action='store_true',
+            help='Print output that describes the workings of this script.')
+    parser.add_argument(
+            '--header_arch', required=True,
+            help='The arch for which to generate headers.')
+    parser.add_argument(
+            '--gen_dir', required=True,
+            help='Where to place the generated files.')
+    parser.add_argument(
+            '--camera_include_uapi', required=True, nargs='*',
+            help='The list of techpack/*/include/uapi header files.')
+    parser.add_argument(
+            '--headers_install', required=True,
+            help='The headers_install tool to process input headers.')
+    parser.add_argument(
+            '--unifdef',
+            required=True,
+            help='The unifdef tool used by headers_install.')
+
+    args = parser.parse_args()
+
+    if args.verbose:
+        print('header_arch [%s]' % args.header_arch)
+        print('gen_dir [%s]' % args.gen_dir)
+        print('camera_include_uapi [%s]' % args.camera_include_uapi)
+        print('headers_install [%s]' % args.headers_install)
+        print('unifdef [%s]' % args.unifdef)
+
+    return gen_camera_headers(args.verbose, args.gen_dir,
+            args.headers_install, args.unifdef, args.camera_include_uapi)
+
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/include/uapi/camera/media/cam_cpas.h b/include/uapi/camera/media/cam_cpas.h
@@ -1,12 +1,13 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_CPAS_H__
 #define __UAPI_CAM_CPAS_H__
 
-#include <media/cam_defs.h>
+#include "cam_defs.h"
 
 #define CAM_FAMILY_CAMERA_SS     1
 #define CAM_FAMILY_CPAS_SS       2

diff --git a/include/uapi/camera/media/cam_fd.h b/include/uapi/camera/media/cam_fd.h
@@ -1,12 +1,13 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_FD_H__
 #define __UAPI_CAM_FD_H__
 
-#include <media/cam_defs.h>
+#include "cam_defs.h"
 
 #define CAM_FD_MAX_FACES                       35
 #define CAM_FD_RAW_RESULT_ENTRIES              512

diff --git a/include/uapi/camera/media/cam_icp.h b/include/uapi/camera/media/cam_icp.h
@@ -1,13 +1,14 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_ICP_H__
 #define __UAPI_CAM_ICP_H__
 
-#include <media/cam_defs.h>
-#include <media/cam_cpas.h>
+#include "cam_defs.h"
+#include "cam_cpas.h"
 
 /* icp, ipe, bps, cdm(ipe/bps) are used in querycap */
 #define CAM_ICP_DEV_TYPE_A5      1

diff --git a/include/uapi/camera/media/cam_isp.h b/include/uapi/camera/media/cam_isp.h
@@ -1,15 +1,16 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_ISP_H__
 #define __UAPI_CAM_ISP_H__
 
-#include <media/cam_defs.h>
-#include <media/cam_isp_vfe.h>
-#include <media/cam_isp_ife.h>
-#include <media/cam_cpas.h>
+#include "cam_defs.h"
+#include "cam_isp_vfe.h"
+#include "cam_isp_ife.h"
+#include "cam_cpas.h"
 
 /* ISP driver name */
 #define CAM_ISP_DEV_NAME                        "cam-isp"

diff --git a/include/uapi/camera/media/cam_jpeg.h b/include/uapi/camera/media/cam_jpeg.h
@@ -1,12 +1,13 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_JPEG_H__
 #define __UAPI_CAM_JPEG_H__
 
-#include <media/cam_defs.h>
+#include "cam_defs.h"
 
 /* enc, dma, cdm(enc/dma) are used in querycap */
 #define CAM_JPEG_DEV_TYPE_ENC      0

diff --git a/include/uapi/camera/media/cam_lrme.h b/include/uapi/camera/media/cam_lrme.h
@@ -1,12 +1,13 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_LRME_H__
 #define __UAPI_CAM_LRME_H__
 
-#include <media/cam_defs.h>
+#include "cam_defs.h"
 
 /* LRME Resource Types */
 

diff --git a/include/uapi/camera/media/cam_req_mgr.h b/include/uapi/camera/media/cam_req_mgr.h
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_LINUX_CAM_REQ_MGR_H
@@ -10,7 +11,7 @@
 #include <linux/types.h>
 #include <linux/ioctl.h>
 #include <linux/media.h>
-#include <media/cam_defs.h>
+#include "cam_defs.h"
 
 #define CAM_REQ_MGR_VNODE_NAME "cam-req-mgr-devnode"
 

diff --git a/include/uapi/camera/media/cam_sensor.h b/include/uapi/camera/media/cam_sensor.h
@@ -1,14 +1,15 @@
 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
 /*
  * Copyright (c) 2016-2019, 2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __UAPI_CAM_SENSOR_H__
 #define __UAPI_CAM_SENSOR_H__
 
 #include <linux/types.h>
 #include <linux/ioctl.h>
-#include <media/cam_defs.h>
+#include "cam_defs.h"
 
 #define CAM_SENSOR_PROBE_CMD   (CAM_COMMON_OPCODE_MAX + 1)
 #define CAM_FLASH_MAX_LED_TRIGGERS 3