From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: wendy.liang@xilinx.com From: Wendy Liang Subject: [PATCH 4/7] firmware: xlnx-zynqmp: Add request/release node Date: Thu, 16 Aug 2018 00:06:27 -0700 Message-ID: <1534403190-28523-5-git-send-email-jliang@xilinx.com> In-Reply-To: <1534403190-28523-1-git-send-email-jliang@xilinx.com> References: <1534403190-28523-1-git-send-email-jliang@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain To: ohad@wizery.com, bjorn.andersson@linaro.org, michal.simek@xilinx.com, robh+dt@kernel.org, mark.rutland@arm.com, rajan.vaja@xilinx.com, jollys@xilinx.com Cc: linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Wendy Liang List-ID: Add request/release resource node EEMI operations. Signed-off-by: Wendy Liang --- drivers/firmware/xilinx/zynqmp.c | 30 ++++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 7 +++++++ 2 files changed, 37 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index ce6c746..2e97f60 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -447,6 +447,34 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) return ret; } +/** + * zynqmp_pm_request_node - PM call to request a node with specific capabilities + * @node: Node ID of the slave + * @capabilities: Requested capabilities of the slave + * @qos: Quality of service (not supported) + * @ack: Flag to specify whether acknowledge is requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_request_node(const u32 node, const u32 capabilities, + const u32 qos, + const enum zynqmp_pm_request_ack ack) +{ + return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, node, capabilities, + qos, ack, NULL); +} + +/** + * zynqmp_pm_release_node - PM call to release a node + * @node: Node ID of the slave + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_release_node(const u32 node) +{ + return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, node, 0, 0, 0, NULL); +} + static const struct zynqmp_eemi_ops eemi_ops = { .get_api_version = zynqmp_pm_get_api_version, .ioctl = zynqmp_pm_ioctl, @@ -460,6 +488,8 @@ static const struct zynqmp_eemi_ops eemi_ops = { .clock_getrate = zynqmp_pm_clock_getrate, .clock_setparent = zynqmp_pm_clock_setparent, .clock_getparent = zynqmp_pm_clock_getparent, + .request_node = zynqmp_pm_request_node, + .release_node = zynqmp_pm_release_node, }; /** diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 83ebadf..02067a3 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -54,6 +54,8 @@ enum pm_api_id { PM_CLOCK_GETRATE, PM_CLOCK_SETPARENT, PM_CLOCK_GETPARENT, + PM_REQUEST_NODE = 13, + PM_RELEASE_NODE = 14, }; /* PMU-FW return status codes */ @@ -130,6 +132,11 @@ struct zynqmp_eemi_ops { int (*clock_getrate)(u32 clock_id, u64 *rate); int (*clock_setparent)(u32 clock_id, u32 parent_id); int (*clock_getparent)(u32 clock_id, u32 *parent_id); + int (*request_node)(const u32 node, + const u32 capabilities, + const u32 qos, + const enum zynqmp_pm_request_ack ack); + int (*release_node)(const u32 node); }; #if IS_REACHABLE(CONFIG_ARCH_ZYNQMP) -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5534DC4321D for ; Thu, 16 Aug 2018 07:07:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDE44214C5 for ; 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Signed-off-by: Wendy Liang --- drivers/firmware/xilinx/zynqmp.c | 30 ++++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 7 +++++++ 2 files changed, 37 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index ce6c746..2e97f60 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -447,6 +447,34 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) return ret; } +/** + * zynqmp_pm_request_node - PM call to request a node with specific capabilities + * @node: Node ID of the slave + * @capabilities: Requested capabilities of the slave + * @qos: Quality of service (not supported) + * @ack: Flag to specify whether acknowledge is requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_request_node(const u32 node, const u32 capabilities, + const u32 qos, + const enum zynqmp_pm_request_ack ack) +{ + return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, node, capabilities, + qos, ack, NULL); +} + +/** + * zynqmp_pm_release_node - PM call to release a node + * @node: Node ID of the slave + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_release_node(const u32 node) +{ + return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, node, 0, 0, 0, NULL); +} + static const struct zynqmp_eemi_ops eemi_ops = { .get_api_version = zynqmp_pm_get_api_version, .ioctl = zynqmp_pm_ioctl, @@ -460,6 +488,8 @@ static const struct zynqmp_eemi_ops eemi_ops = { .clock_getrate = zynqmp_pm_clock_getrate, .clock_setparent = zynqmp_pm_clock_setparent, .clock_getparent = zynqmp_pm_clock_getparent, + .request_node = zynqmp_pm_request_node, + .release_node = zynqmp_pm_release_node, }; /** diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 83ebadf..02067a3 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -54,6 +54,8 @@ enum pm_api_id { PM_CLOCK_GETRATE, PM_CLOCK_SETPARENT, PM_CLOCK_GETPARENT, + PM_REQUEST_NODE = 13, + PM_RELEASE_NODE = 14, }; /* PMU-FW return status codes */ @@ -130,6 +132,11 @@ struct zynqmp_eemi_ops { int (*clock_getrate)(u32 clock_id, u64 *rate); int (*clock_setparent)(u32 clock_id, u32 parent_id); int (*clock_getparent)(u32 clock_id, u32 *parent_id); + int (*request_node)(const u32 node, + const u32 capabilities, + const u32 qos, + const enum zynqmp_pm_request_ack ack); + int (*release_node)(const u32 node); }; #if IS_REACHABLE(CONFIG_ARCH_ZYNQMP) -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: wendy.liang@xilinx.com (Wendy Liang) Date: Thu, 16 Aug 2018 00:06:27 -0700 Subject: [PATCH 4/7] firmware: xlnx-zynqmp: Add request/release node In-Reply-To: <1534403190-28523-1-git-send-email-jliang@xilinx.com> References: <1534403190-28523-1-git-send-email-jliang@xilinx.com> Message-ID: <1534403190-28523-5-git-send-email-jliang@xilinx.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add request/release resource node EEMI operations. Signed-off-by: Wendy Liang --- drivers/firmware/xilinx/zynqmp.c | 30 ++++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 7 +++++++ 2 files changed, 37 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index ce6c746..2e97f60 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -447,6 +447,34 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) return ret; } +/** + * zynqmp_pm_request_node - PM call to request a node with specific capabilities + * @node: Node ID of the slave + * @capabilities: Requested capabilities of the slave + * @qos: Quality of service (not supported) + * @ack: Flag to specify whether acknowledge is requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_request_node(const u32 node, const u32 capabilities, + const u32 qos, + const enum zynqmp_pm_request_ack ack) +{ + return zynqmp_pm_invoke_fn(PM_REQUEST_NODE, node, capabilities, + qos, ack, NULL); +} + +/** + * zynqmp_pm_release_node - PM call to release a node + * @node: Node ID of the slave + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_release_node(const u32 node) +{ + return zynqmp_pm_invoke_fn(PM_RELEASE_NODE, node, 0, 0, 0, NULL); +} + static const struct zynqmp_eemi_ops eemi_ops = { .get_api_version = zynqmp_pm_get_api_version, .ioctl = zynqmp_pm_ioctl, @@ -460,6 +488,8 @@ static const struct zynqmp_eemi_ops eemi_ops = { .clock_getrate = zynqmp_pm_clock_getrate, .clock_setparent = zynqmp_pm_clock_setparent, .clock_getparent = zynqmp_pm_clock_getparent, + .request_node = zynqmp_pm_request_node, + .release_node = zynqmp_pm_release_node, }; /** diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 83ebadf..02067a3 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -54,6 +54,8 @@ enum pm_api_id { PM_CLOCK_GETRATE, PM_CLOCK_SETPARENT, PM_CLOCK_GETPARENT, + PM_REQUEST_NODE = 13, + PM_RELEASE_NODE = 14, }; /* PMU-FW return status codes */ @@ -130,6 +132,11 @@ struct zynqmp_eemi_ops { int (*clock_getrate)(u32 clock_id, u64 *rate); int (*clock_setparent)(u32 clock_id, u32 parent_id); int (*clock_getparent)(u32 clock_id, u32 *parent_id); + int (*request_node)(const u32 node, + const u32 capabilities, + const u32 qos, + const enum zynqmp_pm_request_ack ack); + int (*release_node)(const u32 node); }; #if IS_REACHABLE(CONFIG_ARCH_ZYNQMP) -- 2.7.4