[PATCH i-g-t v2 14/39] lib/chamelium/v3: Introduce the foundation for the Chamelium v3 wrapper

[Louis Chauvet <louis.chauvet@bootlin.com>]

Adds a build option to enable building the Chamelium v3 wrapper.

Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
---
 lib/chamelium/v3/igt_chamelium.c |  9 +++++++++
 lib/chamelium/v3/igt_chamelium.h |  8 ++++++++
 lib/igt_kms.c                    |  8 ++++++++
 lib/meson.build                  |  7 +++++++
 lib/tests/meson.build            |  4 ++++
 meson.build                      | 17 ++++++++++++++++-
 meson_options.txt                |  4 ++++
 tests/meson.build                | 25 +++++++++++++++++++++++++
 8 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/lib/chamelium/v3/igt_chamelium.c b/lib/chamelium/v3/igt_chamelium.c
new file mode 100644
index 000000000000..9579bd2cd9f8
--- /dev/null
+++ b/lib/chamelium/v3/igt_chamelium.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <igt_core.h>
+#include "igt_chamelium.h"
+
+void chamelium_v3_init(void)
+{
+	igt_info("Using chamelium v3\n");
+}
diff --git a/lib/chamelium/v3/igt_chamelium.h b/lib/chamelium/v3/igt_chamelium.h
new file mode 100644
index 000000000000..1848f66b574f
--- /dev/null
+++ b/lib/chamelium/v3/igt_chamelium.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef V3_IGT_CHAMELIUM_H
+#define V3_IGT_CHAMELIUM_H
+
+void chamelium_v3_init(void);
+
+#endif //V3_IGT_CHAMELIUM_H
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 059c61bf222a..6c2b7cc4f5bd 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -2883,7 +2883,14 @@ void igt_display_require(igt_display_t *display, int drm_fd)
 	if (!resources)
 		goto out;
 
+/*
+ * FIXME: Dirty hack to avoid those lines when chamelium v3 is used
+ *
+ * Must be replaced with a configuration file information, so the end user can choose if the
+ * chamelium must be connected or not.
+ */
 #ifdef HAVE_CHAMELIUM_V2
+#ifndef HAVE_CHAMELIUM_V3
 	{
 		struct chamelium *chamelium;
 
@@ -2898,6 +2905,7 @@ void igt_display_require(igt_display_t *display, int drm_fd)
 			chamelium_deinit_rpc_only(chamelium);
 		}
 	}
+#endif
 #endif
 
 	igt_require_f(resources->count_crtcs <= IGT_MAX_PIPES,
diff --git a/lib/meson.build b/lib/meson.build
index 714990e96485..968f1164bf61 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -197,6 +197,13 @@ if chamelium_v2.found()
 	lib_sources += 'monitor_edids/monitor_edids_helper.c'
 endif
 
+if chamelium_v3.found()
+	lib_deps += chamelium_v3
+	lib_sources += [
+		'chamelium/v3/igt_chamelium.c',
+	]
+endif
+
 if libprocps.found()
 	lib_deps += libprocps
 else
diff --git a/lib/tests/meson.build b/lib/tests/meson.build
index f98c948bc827..15f484ba0d54 100644
--- a/lib/tests/meson.build
+++ b/lib/tests/meson.build
@@ -39,6 +39,10 @@ if chamelium_v2.found()
 	lib_tests += 'igt_audio'
 endif
 
+if chamelium_v3.found()
+	lib_deps += chamelium_v3
+endif
+
 foreach lib_test : lib_tests
 	exec = executable(lib_test, lib_test + '.c', install : false,
 			dependencies : igt_deps)
diff --git a/meson.build b/meson.build
index 1fbbe4802ad3..0bb4853535cf 100644
--- a/meson.build
+++ b/meson.build
@@ -87,6 +87,7 @@ foreach cc_arg : cc_args
 endforeach
 
 build_chamelium_v2 = get_option('chamelium_v2')
+build_chamelium_v3 = get_option('chamelium_v3')
 build_docs = get_option('docs')
 build_tests = not get_option('tests').disabled()
 build_xe = not get_option('xe_driver').disabled()
@@ -172,7 +173,7 @@ if not xmlrpc.found() and xmlrpc_cmd.found()
 	endif
 endif
 
-if build_chamelium_v2.enabled() and not (xmlrpc.found() and xmlrpc_util.found() and xmlrpc_client.found())
+if (build_chamelium_v2.enabled() or build_chamelium_v3.enabled()) and not (xmlrpc.found() and xmlrpc_util.found() and xmlrpc_client.found())
 	error('Chamelium build forced and required dependency xmlrpc not found')
 endif
 
@@ -195,6 +196,20 @@ endif
 
 build_info += 'Build Chamelium v2 test: @0@'.format(chamelium_v2.found())
 
+
+if xmlrpc.found() and xmlrpc_util.found() and xmlrpc_client.found() and libcurl.found()
+	config.set('HAVE_CHAMELIUM_V3', 1)
+	chamelium_v3 = declare_dependency(dependencies : [
+										  xmlrpc,
+										  xmlrpc_util,
+										  xmlrpc_client,
+										  gsl,
+										  alsa,
+									  ])
+else
+	chamelium_v3 = disabler()
+endif
+
 pthreads = dependency('threads')
 math = cc.find_library('m')
 realtime = cc.find_library('rt')
diff --git a/meson_options.txt b/meson_options.txt
index fea91fb129aa..4d4047407854 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -12,6 +12,10 @@ option('chamelium_v2',
        type : 'feature',
        description : 'Build Chamelium v2 test')
 
+option('chamelium_v3',
+       type : 'feature',
+       description : 'Build Chamelium v3 tests')
+
 option('valgrind',
        type : 'feature',
        description : 'Build with support for valgrind annotations')
diff --git a/tests/meson.build b/tests/meson.build
index e7c8416dabcf..6a736d1defd1 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -324,6 +324,9 @@ chamelium_v2_progs = [
 	'kms_chamelium_hpd',
 ]
 
+chamelium_v3_progs = [
+]
+
 test_deps = [ igt_deps ]
 
 if libdrm_nouveau.found()
@@ -441,6 +444,28 @@ if chamelium_v2.found()
 	test_deps += chamelium_v2
 endif
 
+if chamelium_v3.found()
+	foreach prog : chamelium_v3_progs
+		testexe = executable(prog,
+				 [join_paths('chamelium', 'v3', prog + '.c')],
+				 dependencies : test_deps,
+				 install_dir : libexecdir,
+				 install_rpath : libexecdir_rpathdir,
+				 install : true)
+		test_list += prog
+		test_executables += testexe
+		name = prog.split('/').get(-1)
+		if not meson.is_cross_build()
+			testlist_files += custom_target(name + '.testlist',
+				    build_by_default : true,
+				    command : [testexe, '--show-testlist'],
+				    capture : true,
+				    output : name + '.testlist')
+		endif
+	endforeach
+	test_deps += chamelium_v3
+endif
+
 subdir('amdgpu')
 
 subdir('msm')

-- 
2.44.2