From patchwork Sat Apr 11 00:19:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 3422 Return-Path: Received: from vsp-unauthed02.binero.net (vsp-unauthed02.binero.net [195.74.38.227]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id B7B3C6277E for ; Sat, 11 Apr 2020 02:19:21 +0200 (CEST) X-Halon-ID: 12cda3a5-7b8a-11ea-aeed-005056917f90 Authorized-sender: niklas@soderlund.pp.se Received: from bismarck.berto.se (p4fca2392.dip0.t-ipconnect.de [79.202.35.146]) by bin-vsp-out-02.atm.binero.net (Halon) with ESMTPA id 12cda3a5-7b8a-11ea-aeed-005056917f90; Sat, 11 Apr 2020 02:19:14 +0200 (CEST) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: libcamera-devel@lists.libcamera.org Date: Sat, 11 Apr 2020 02:19:05 +0200 Message-Id: <20200411001911.1143155-2-niklas.soderlund@ragnatech.se> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200411001911.1143155-1-niklas.soderlund@ragnatech.se> References: <20200411001911.1143155-1-niklas.soderlund@ragnatech.se> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v3 1/7] ipa: Add start() and stop() operations X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Apr 2020 00:19:22 -0000 Add two new operations to the IPA interface to start and stop it. The intention is that these functions shall be used by the IPA to perform actions when the camera is started and stopped. Signed-off-by: Niklas Söderlund Reviewed-by: Laurent Pinchart --- * Changes since v2 - Update commit message - Add cerr to test case - Add documentation --- include/ipa/ipa_interface.h | 4 +++ include/ipa/ipa_vimc.h | 2 ++ src/ipa/libipa/ipa_interface_wrapper.cpp | 16 ++++++++++ src/ipa/libipa/ipa_interface_wrapper.h | 2 ++ src/ipa/rkisp1/rkisp1.cpp | 2 ++ src/ipa/vimc/vimc.cpp | 20 +++++++++++++ src/libcamera/include/ipa_context_wrapper.h | 2 ++ src/libcamera/ipa_context_wrapper.cpp | 26 ++++++++++++++++ src/libcamera/ipa_interface.cpp | 32 ++++++++++++++++++++ src/libcamera/proxy/ipa_proxy_linux.cpp | 2 ++ test/ipa/ipa_interface_test.cpp | 24 +++++++++++++++ test/ipa/ipa_wrappers_test.cpp | 33 +++++++++++++++++++-- 12 files changed, 162 insertions(+), 3 deletions(-) diff --git a/include/ipa/ipa_interface.h b/include/ipa/ipa_interface.h index 229d1124b19ec1c9..9a62208cc80084c8 100644 --- a/include/ipa/ipa_interface.h +++ b/include/ipa/ipa_interface.h @@ -64,6 +64,8 @@ struct ipa_context_ops { void (*destroy)(struct ipa_context *ctx); void *(*get_interface)(struct ipa_context *ctx); void (*init)(struct ipa_context *ctx); + void (*start)(struct ipa_context *ctx); + void (*stop)(struct ipa_context *ctx); void (*register_callbacks)(struct ipa_context *ctx, const struct ipa_callback_ops *callbacks, void *cb_ctx); @@ -120,6 +122,8 @@ public: virtual ~IPAInterface() {} virtual int init() = 0; + virtual int start() = 0; + virtual void stop() = 0; virtual void configure(const std::map &streamConfig, const std::map &entityControls) = 0; diff --git a/include/ipa/ipa_vimc.h b/include/ipa/ipa_vimc.h index 9add122cf598aa6f..8e82dd94bf479e35 100644 --- a/include/ipa/ipa_vimc.h +++ b/include/ipa/ipa_vimc.h @@ -15,6 +15,8 @@ namespace libcamera { enum IPAOperationCode { IPAOperationNone, IPAOperationInit, + IPAOperationStart, + IPAOperationStop, }; } /* namespace libcamera */ diff --git a/src/ipa/libipa/ipa_interface_wrapper.cpp b/src/ipa/libipa/ipa_interface_wrapper.cpp index b93c1c1f1c1a2018..ef074ba17316ed97 100644 --- a/src/ipa/libipa/ipa_interface_wrapper.cpp +++ b/src/ipa/libipa/ipa_interface_wrapper.cpp @@ -86,6 +86,20 @@ void IPAInterfaceWrapper::init(struct ipa_context *_ctx) ctx->ipa_->init(); } +void IPAInterfaceWrapper::start(struct ipa_context *_ctx) +{ + IPAInterfaceWrapper *ctx = static_cast(_ctx); + + ctx->ipa_->start(); +} + +void IPAInterfaceWrapper::stop(struct ipa_context *_ctx) +{ + IPAInterfaceWrapper *ctx = static_cast(_ctx); + + ctx->ipa_->stop(); +} + void IPAInterfaceWrapper::register_callbacks(struct ipa_context *_ctx, const struct ipa_callback_ops *callbacks, void *cb_ctx) @@ -234,6 +248,8 @@ const struct ipa_context_ops IPAInterfaceWrapper::operations_ = { .destroy = &IPAInterfaceWrapper::destroy, .get_interface = &IPAInterfaceWrapper::get_interface, .init = &IPAInterfaceWrapper::init, + .start = &IPAInterfaceWrapper::start, + .stop = &IPAInterfaceWrapper::stop, .register_callbacks = &IPAInterfaceWrapper::register_callbacks, .configure = &IPAInterfaceWrapper::configure, .map_buffers = &IPAInterfaceWrapper::map_buffers, diff --git a/src/ipa/libipa/ipa_interface_wrapper.h b/src/ipa/libipa/ipa_interface_wrapper.h index 3fb7b447643953ff..9ee4fe15b2738cf4 100644 --- a/src/ipa/libipa/ipa_interface_wrapper.h +++ b/src/ipa/libipa/ipa_interface_wrapper.h @@ -24,6 +24,8 @@ private: static void destroy(struct ipa_context *ctx); static void *get_interface(struct ipa_context *ctx); static void init(struct ipa_context *ctx); + static void start(struct ipa_context *ctx); + static void stop(struct ipa_context *ctx); static void register_callbacks(struct ipa_context *ctx, const struct ipa_callback_ops *callbacks, void *cb_ctx); diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp index 438b3c66f77a1e57..af38e3299f2ff045 100644 --- a/src/ipa/rkisp1/rkisp1.cpp +++ b/src/ipa/rkisp1/rkisp1.cpp @@ -33,6 +33,8 @@ class IPARkISP1 : public IPAInterface { public: int init() override { return 0; } + int start() override { return 0; } + void stop() override {} void configure(const std::map &streamConfig, const std::map &entityControls) override; diff --git a/src/ipa/vimc/vimc.cpp b/src/ipa/vimc/vimc.cpp index 6e2095b56bbcdaa3..566a66e404affbd5 100644 --- a/src/ipa/vimc/vimc.cpp +++ b/src/ipa/vimc/vimc.cpp @@ -32,6 +32,10 @@ public: ~IPAVimc(); int init() override; + + int start() override; + void stop() override; + void configure(const std::map &streamConfig, const std::map &entityControls) override {} void mapBuffers(const std::vector &buffers) override {} @@ -66,6 +70,22 @@ int IPAVimc::init() return 0; } +int IPAVimc::start() +{ + trace(IPAOperationStart); + + LOG(IPAVimc, Debug) << "start vimc IPA!"; + + return 0; +} + +void IPAVimc::stop() +{ + trace(IPAOperationStop); + + LOG(IPAVimc, Debug) << "stop vimc IPA!"; +} + void IPAVimc::initTrace() { struct stat fifoStat; diff --git a/src/libcamera/include/ipa_context_wrapper.h b/src/libcamera/include/ipa_context_wrapper.h index c9e194120de6b69c..0a48bfe732c831d7 100644 --- a/src/libcamera/include/ipa_context_wrapper.h +++ b/src/libcamera/include/ipa_context_wrapper.h @@ -20,6 +20,8 @@ public: ~IPAContextWrapper(); int init() override; + int start() override; + void stop() override; void configure(const std::map &streamConfig, const std::map &entityControls) override; diff --git a/src/libcamera/ipa_context_wrapper.cpp b/src/libcamera/ipa_context_wrapper.cpp index 946a2fd8cab1782a..c40e56169512a1ba 100644 --- a/src/libcamera/ipa_context_wrapper.cpp +++ b/src/libcamera/ipa_context_wrapper.cpp @@ -82,6 +82,32 @@ int IPAContextWrapper::init() return 0; } +int IPAContextWrapper::start() +{ + if (intf_) + return intf_->start(); + + if (!ctx_) + return 0; + + ctx_->ops->start(ctx_); + + return 0; +} + +void IPAContextWrapper::stop() +{ + if (intf_) + return intf_->stop(); + + if (!ctx_) + return; + + ctx_->ops->stop(ctx_); + + return; +} + void IPAContextWrapper::configure(const std::map &streamConfig, const std::map &entityControls) { diff --git a/src/libcamera/ipa_interface.cpp b/src/libcamera/ipa_interface.cpp index 5959e7deda6c5172..d8d57fdb2ae59d2e 100644 --- a/src/libcamera/ipa_interface.cpp +++ b/src/libcamera/ipa_interface.cpp @@ -235,6 +235,20 @@ * \sa libcamera::IPAInterface::init() */ +/** + * \var ipa_context_ops::start + * \brief Starts the IPA context + * + * \sa libcamera::IPAInterface::start() + */ + +/** + * \var ipa_context_ops::stop + * \brief Stops the IPA context + * + * \sa libcamera::IPAInterface::stop() + */ + /** * \var ipa_context_ops::register_callbacks * \brief Register callback operation from the IPA to the pipeline handler @@ -412,6 +426,24 @@ namespace libcamera { * \brief Initialise the IPAInterface */ +/** + * \fn IPAInterface::start() + * \brief Starts the IPA + * + * This method informs the IPA module that the camera is about to be started + * and it shall prepare any resources it needs to be operate. + * + * \return 0 on success or a negative error code otherwise + */ + +/** + * \fn IPAInterface::stop() + * \brief Stops the IPA + * + * This method informs the IPA module that the camera is stopped and resources + * prepared in start() can be freed. + */ + /** * \fn IPAInterface::configure() * \brief Configure the IPA stream and sensor settings diff --git a/src/libcamera/proxy/ipa_proxy_linux.cpp b/src/libcamera/proxy/ipa_proxy_linux.cpp index c7218fb472490cc8..2aa80b9467044fbf 100644 --- a/src/libcamera/proxy/ipa_proxy_linux.cpp +++ b/src/libcamera/proxy/ipa_proxy_linux.cpp @@ -27,6 +27,8 @@ public: ~IPAProxyLinux(); int init() override { return 0; } + int start() override { return 0; } + void stop() override {} void configure(const std::map &streamConfig, const std::map &entityControls) override {} void mapBuffers(const std::vector &buffers) override {} diff --git a/test/ipa/ipa_interface_test.cpp b/test/ipa/ipa_interface_test.cpp index cafc249bbbc96cf8..f861c10f16925d78 100644 --- a/test/ipa/ipa_interface_test.cpp +++ b/test/ipa/ipa_interface_test.cpp @@ -109,6 +109,30 @@ protected: return TestFail; } + /* Test start of IPA module. */ + ipa_->start(); + timer.start(1000); + while (timer.isRunning() && trace_ != IPAOperationStart) + dispatcher->processEvents(); + + if (trace_ != IPAOperationStart) { + cerr << "Failed to test IPA start sequence" + << endl; + return TestFail; + } + + /* Test start of IPA module. */ + ipa_->stop(); + timer.start(1000); + while (timer.isRunning() && trace_ != IPAOperationStop) + dispatcher->processEvents(); + + if (trace_ != IPAOperationStop) { + cerr << "Failed to test IPA stop sequence" + << endl; + return TestFail; + } + return TestPass; } diff --git a/test/ipa/ipa_wrappers_test.cpp b/test/ipa/ipa_wrappers_test.cpp index 1ae1781169c85e6c..fae1d56b67c7933c 100644 --- a/test/ipa/ipa_wrappers_test.cpp +++ b/test/ipa/ipa_wrappers_test.cpp @@ -27,6 +27,8 @@ using namespace std; enum Operation { Op_init, + Op_start, + Op_stop, Op_configure, Op_mapBuffers, Op_unmapBuffers, @@ -47,6 +49,17 @@ public: return 0; } + int start() override + { + report(Op_start, TestPass); + return 0; + } + + void stop() override + { + report(Op_stop, TestPass); + } + void configure(const std::map &streamConfig, const std::map &entityControls) override { @@ -323,12 +336,26 @@ protected: return TestFail; /* - * Test init() last to ensure nothing in the wrappers or - * serializer depends on init() being called first. + * Test init(), start() and stop() last to ensure nothing in the + * wrappers or serializer depends on them being called first. */ ret = INVOKE(init); - if (ret == TestFail) + if (ret == TestFail) { + cerr << "Failed to run init()"; return TestFail; + } + + ret = INVOKE(start); + if (ret == TestFail) { + cerr << "Failed to run start()"; + return TestFail; + } + + ret = INVOKE(stop); + if (ret == TestFail) { + cerr << "Failed to run stop()"; + return TestFail; + } return TestPass; }