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d=greensocs.com; s=mail; t=1465835267; bh=ZIBP8+vIRNo13knJ1g9xUimoBK4zLPsdb2c6bWmp5Hk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=byKdISR8tjI6Yw9pjPtYG5Mhq6Ajfc3QIgb2JQLWpKC3UU2bj/V/+k5YSKzo9abw7 p6/bI71dxHEOzAyszqk2aBWlJSfsHIAhyyBDgZJf03A5TI+yWRSYO3zMg5ThAk46xq 8I7qRvQXstXm59mbQ4xvMiG6n3Ls02JH96w8o+Mk= X-Virus-Scanned: amavisd-new at greensocs.com Authentication-Results: gs-01.greensocs.com (amavisd-new); dkim=pass (1024-bit key) header.d=greensocs.com header.b=6MGEg86T; dkim=pass (1024-bit key) header.d=greensocs.com header.b=6MGEg86T Received: from greensocs.com ([127.0.0.1]) by localhost (gs-01.greensocs.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5pIfGX6CRg7I; Mon, 13 Jun 2016 18:27:46 +0200 (CEST) Received: by greensocs.com (Postfix, from userid 998) id 833FBBBFC26; Mon, 13 Jun 2016 18:27:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1465835266; bh=ZIBP8+vIRNo13knJ1g9xUimoBK4zLPsdb2c6bWmp5Hk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=6MGEg86T1CG98esJESAswY/YeuYY05DjiZkeZGpofzNJzN7Y3ufAcykMyfGiwzvHH SMEnnjaDjRnanXHES1jVqnoP8kRlmlGqDCr0Mzp18liYEBw/GWiAxwqk9ToZk/EE6A ew9uBJq1d3bL+bRIQG1uzMDxkidH0ozjrSaPmz68= Received: from asus.home (localhost [IPv6:::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: fred.konrad@greensocs.com) by greensocs.com (Postfix) with ESMTPSA id DE1F813A53B1; Mon, 13 Jun 2016 18:27:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=greensocs.com; s=mail; t=1465835266; bh=ZIBP8+vIRNo13knJ1g9xUimoBK4zLPsdb2c6bWmp5Hk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=6MGEg86T1CG98esJESAswY/YeuYY05DjiZkeZGpofzNJzN7Y3ufAcykMyfGiwzvHH SMEnnjaDjRnanXHES1jVqnoP8kRlmlGqDCr0Mzp18liYEBw/GWiAxwqk9ToZk/EE6A ew9uBJq1d3bL+bRIQG1uzMDxkidH0ozjrSaPmz68= From: fred.konrad@greensocs.com To: qemu-devel@nongnu.org Date: Mon, 13 Jun 2016 18:27:30 +0200 Message-Id: <1465835259-21449-3-git-send-email-fred.konrad@greensocs.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1465835259-21449-1-git-send-email-fred.konrad@greensocs.com> References: <1465835259-21449-1-git-send-email-fred.konrad@greensocs.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 193.104.36.180 Subject: [Qemu-devel] [RFC PATCH 02/11] qemu-clk: allow to attach a clock to a device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgar.iglesias@xilinx.com, peter.maydell@linaro.org, fred.konrad@greensocs.com, mark.burton@greensocs.com, alistair.francis@xilinx.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: KONRAD Frederic This allows to attach a clock to a DeviceState. Contrary to gpios, the clock pins are not contained in the DeviceState but with the child property so they can appears in the qom-tree. Signed-off-by: KONRAD Frederic --- include/qemu/qemu-clock.h | 24 +++++++++++++++++++++++- qemu-clock.c | 22 ++++++++++++++++++++++ 2 files changed, 45 insertions(+), 1 deletion(-) diff --git a/include/qemu/qemu-clock.h b/include/qemu/qemu-clock.h index e7acd68..a2ba105 100644 --- a/include/qemu/qemu-clock.h +++ b/include/qemu/qemu-clock.h @@ -33,8 +33,30 @@ typedef struct qemu_clk { /*< private >*/ Object parent_obj; + char *name; /* name of this clock in the device. */ } *qemu_clk; -#endif /* QEMU_CLOCK_H */ +/** + * qemu_clk_attach_to_device: + * @d: the device on which the clock need to be attached. + * @clk: the clock which need to be attached. + * @name: the name of the clock can't be NULL. + * + * Attach @clk named @name to the device @d. + * + */ +void qemu_clk_attach_to_device(DeviceState *d, qemu_clk clk, + const char *name); +/** + * qemu_clk_get_pin: + * @d: the device which contain the clock. + * @name: the name of the clock. + * + * Get the clock named @name located in the device @d, or NULL if not found. + * + * Returns the clock named @name contained in @d. + */ +qemu_clk qemu_clk_get_pin(DeviceState *d, const char *name); +#endif /* QEMU_CLOCK_H */ diff --git a/qemu-clock.c b/qemu-clock.c index 4a47fb4..81f2852 100644 --- a/qemu-clock.c +++ b/qemu-clock.c @@ -23,6 +23,7 @@ #include "qemu/qemu-clock.h" #include "hw/hw.h" +#include "qapi/error.h" /* #define DEBUG_QEMU_CLOCK */ @@ -33,6 +34,27 @@ do { printf("qemu-clock: " fmt , ## __VA_ARGS__); } while (0) #define DPRINTF(fmt, ...) do { } while (0) #endif +void qemu_clk_attach_to_device(DeviceState *d, qemu_clk clk, const char *name) +{ + assert(name); + assert(!clk->name); + object_property_add_child(OBJECT(d), name, OBJECT(clk), &error_abort); + clk->name = g_strdup(name); +} + +qemu_clk qemu_clk_get_pin(DeviceState *d, const char *name) +{ + gchar *path = NULL; + Object *clk; + bool ambiguous; + + path = g_strdup_printf("%s/%s", object_get_canonical_path(OBJECT(d)), + name); + clk = object_resolve_path(path, &ambiguous); + g_free(path); + return QEMU_CLOCK(clk); +} + static const TypeInfo qemu_clk_info = { .name = TYPE_CLOCK, .parent = TYPE_OBJECT,