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From: Jolly Shah <jolly.shah@xilinx.com>
To: <ard.biesheuvel@linaro.org>, <mingo@kernel.org>,
	<gregkh@linuxfoundation.org>, <matt@codeblueprint.co.uk>,
	<sudeep.holla@arm.com>, <hkallweit1@gmail.com>,
	<keescook@chromium.org>, <dmitry.torokhov@gmail.com>,
	<mturquette@baylibre.com>, <sboyd@codeaurora.org>,
	<michal.simek@xilinx.com>, <robh+dt@kernel.org>,
	<mark.rutland@arm.com>, <linux-clk@vger.kernel.org>
Cc: <rajanv@xilinx.com>, <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	Jolly Shah <jollys@xilinx.com>
Subject: [PATCH v10 08/10] firmware: xilinx: Add debugfs for query data API
Date: Tue, 17 Jul 2018 12:59:05 -0700	[thread overview]
Message-ID: <1531857547-16652-9-git-send-email-jollys@xilinx.com> (raw)
In-Reply-To: <1531857547-16652-1-git-send-email-jollys@xilinx.com>

From: Rajan Vaja <rajanv@xilinx.com>

Add debugfs file to query platform specific data from firmware
using debugfs interface.

Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
---
 drivers/firmware/xilinx/zynqmp-debug.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/firmware/xilinx/zynqmp-debug.c b/drivers/firmware/xilinx/zynqmp-debug.c
index fc11db9..4532bd0 100644
--- a/drivers/firmware/xilinx/zynqmp-debug.c
+++ b/drivers/firmware/xilinx/zynqmp-debug.c
@@ -33,6 +33,7 @@ static char debugfs_buf[PAGE_SIZE];
 static struct pm_api_info pm_api_list[] = {
 	PM_API(PM_GET_API_VERSION),
 	PM_API(PM_IOCTL),
+	PM_API(PM_QUERY_DATA),
 };
 
 /**
@@ -105,6 +106,32 @@ static int process_api_request(u32 pm_id, u64 *pm_api_arg, u32 *pm_api_ret)
 			sprintf(debugfs_buf, "IOCTL return value: %u\n",
 				pm_api_ret[1]);
 		break;
+	case PM_QUERY_DATA:
+	{
+		struct zynqmp_pm_query_data qdata = {0};
+
+		qdata.qid = pm_api_arg[0];
+		qdata.arg1 = pm_api_arg[1];
+		qdata.arg2 = pm_api_arg[2];
+		qdata.arg3 = pm_api_arg[3];
+
+		ret = eemi_ops->query_data(qdata, pm_api_ret);
+		if (ret)
+			break;
+
+		if (qdata.qid == PM_QID_CLOCK_GET_NAME)
+			sprintf(debugfs_buf, "Clock name = %s\n",
+				(char *)pm_api_ret);
+		else if (qdata.qid == PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS)
+			sprintf(debugfs_buf, "Multiplier = %d, Divider = %d\n",
+				pm_api_ret[1], pm_api_ret[2]);
+		else
+			sprintf(debugfs_buf,
+				"data[0] = 0x%08x\ndata[1] = 0x%08x\n data[2] = 0x%08x\ndata[3] = 0x%08x\n",
+				pm_api_ret[0], pm_api_ret[1],
+				pm_api_ret[2], pm_api_ret[3]);
+		break;
+	}
 	default:
 		sprintf(debugfs_buf, "Unsupported PM-API request\n");
 		ret = -EINVAL;
-- 
2.7.4


  parent reply	other threads:[~2018-07-17 20:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-17 19:58 [PATCH v10 00/10] drivers: Introduce firmware dnd clock river for ZynqMP core Jolly Shah
2018-07-17 19:58 ` [PATCH v10 01/10] dt-bindings: firmware: Add bindings for ZynqMP firmware Jolly Shah
2018-07-17 19:58 ` [PATCH v10 02/10] firmware: xilinx: Add Zynqmp firmware driver Jolly Shah
2018-07-17 19:59 ` [PATCH v10 03/10] firmware: xilinx: Add zynqmp IOCTL API for device control Jolly Shah
2018-07-17 19:59 ` [PATCH v10 04/10] firmware: xilinx: Add query data API Jolly Shah
2018-07-17 19:59 ` [PATCH v10 05/10] firmware: xilinx: Add clock APIs Jolly Shah
2018-07-17 19:59 ` [PATCH v10 06/10] firmware: xilinx: Add debugfs interface Jolly Shah
2018-07-17 19:59 ` [PATCH v10 07/10] firmware: xilinx: Add debugfs for IOCTL API Jolly Shah
2018-07-17 19:59 ` Jolly Shah [this message]
2018-07-17 19:59 ` [PATCH v10 09/10] dt-bindings: clock: Add bindings for ZynqMP clock driver Jolly Shah
2018-07-17 19:59 ` [PATCH v10 10/10] drivers: clk: Add " Jolly Shah
2018-07-19 10:30   ` Michal Simek
2018-07-19 10:33 ` [PATCH v10 00/10] drivers: Introduce firmware dnd clock river for ZynqMP core Michal Simek
2018-07-24 18:14   ` Jolly Shah
2018-07-25  9:51     ` Michal Simek
2018-07-26 16:36       ` Stephen Boyd
2018-07-30 12:50         ` Michal Simek
2018-08-02 20:59           ` Stephen Boyd
2018-08-03  6:14             ` Michal Simek
2018-08-03 17:59               ` Jolly Shah

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