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From: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>, Jonathan Corbet <corbet@lwn.net>,
	Derek Kiernan <derek.kiernan@xilinx.com>,
	Dragan Cvetic <dragan.cvetic@xilinx.com>
Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
	Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>,
	Tomasz Jankowski <tomasz1.jankowski@intel.com>,
	Savo Novakovic <savox.novakovic@intel.com>,
	Jianxun Zhang <jianxun.zhang@linux.intel.com>
Subject: [PATCH v1 03/12] gna: read hardware info in the driver
Date: Tue, 16 Feb 2021 17:05:16 +0100	[thread overview]
Message-ID: <20210216160525.5028-4-maciej.kwapulinski@linux.intel.com> (raw)
In-Reply-To: <20210216160525.5028-1-maciej.kwapulinski@linux.intel.com>

From: Tomasz Jankowski <tomasz1.jankowski@intel.com>

Get the hardware information from register MMIO_IBUFFS

Signed-off-by: Tomasz Jankowski <tomasz1.jankowski@intel.com>
Tested-by: Savo Novakovic <savox.novakovic@intel.com>
Co-developed-by: Jianxun Zhang <jianxun.zhang@linux.intel.com>
Signed-off-by: Jianxun Zhang <jianxun.zhang@linux.intel.com>
Signed-off-by: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
---
 drivers/misc/gna/gna_device.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/misc/gna/gna_device.c b/drivers/misc/gna/gna_device.c
index a6ef7e790e9e..869507594f9e 100644
--- a/drivers/misc/gna/gna_device.c
+++ b/drivers/misc/gna/gna_device.c
@@ -6,10 +6,13 @@
 
 #include "gna_device.h"
 #include "gna_driver.h"
+#include "gna_hw.h"
 
 static int gna_dev_init(struct gna_private *gna_priv, struct pci_dev *pcidev,
 			const struct pci_device_id *pci_id)
 {
+	u32 bld_reg;
+
 	pci_set_drvdata(pcidev, gna_priv);
 
 	gna_priv->parent = &pcidev->dev;
@@ -17,6 +20,9 @@ static int gna_dev_init(struct gna_private *gna_priv, struct pci_dev *pcidev,
 	gna_priv->info = *(struct gna_drv_info *)pci_id->driver_data;
 	gna_priv->drv_priv = &gna_drv_priv;
 
+	bld_reg = gna_reg_read(gna_priv->bar0.mem_addr, GNA_MMIO_IBUFFS);
+	gna_priv->hw_info.in_buf_s = bld_reg & GENMASK(7, 0);
+
 	return 0;
 }
 
-- 
2.28.0


  parent reply	other threads:[~2021-02-16 16:11 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-16 16:05 [PATCH v1 00/12] Driver of Intel(R) Gaussian & Neural Accelerator Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 01/12] gna: add driver module Maciej Kwapulinski
2021-02-16 16:54   ` Andy Shevchenko
2021-02-16 17:37     ` Jianxun Zhang
2021-02-19 13:21     ` Maciej Kwapulinski
2021-02-19 14:36       ` Andy Shevchenko
2021-02-26 18:29     ` Maciej Kwapulinski
2021-02-26 21:22       ` Jianxun Zhang
2021-02-27  6:33       ` Greg Kroah-Hartman
2021-03-01 10:18     ` Maciej Kwapulinski
2021-03-01 10:22       ` Greg Kroah-Hartman
2021-03-01 10:36         ` Maciej Kwapulinski
2021-03-01 10:39           ` Maciej Kwapulinski
2021-03-01 10:46             ` Greg Kroah-Hartman
2021-03-01 11:45               ` Maciej Kwapulinski
2021-02-16 17:46   ` Greg Kroah-Hartman
2021-02-17  7:30     ` Maciej Kwapulinski
2021-02-26 12:59     ` Maciej Kwapulinski
2021-02-26 13:03       ` Greg Kroah-Hartman
2021-03-09 18:26         ` Maciej Kwapulinski
2021-02-16 17:48   ` Randy Dunlap
2021-02-16 16:05 ` [PATCH v1 02/12] gna: add component of hardware operation Maciej Kwapulinski
2021-02-16 16:05 ` Maciej Kwapulinski [this message]
2021-02-16 16:05 ` [PATCH v1 04/12] gna: add memory handling Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 05/12] gna: initialize mmu Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 06/12] gna: add hardware ids Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 07/12] gna: add request component Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 08/12] gna: implement scoring Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 09/12] gna: add a work queue to process scoring requests Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 10/12] gna: add interrupt handler Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 11/12] gna: add ioctl handler Maciej Kwapulinski
2021-02-16 16:05 ` [PATCH v1 12/12] gna: add a char device Maciej Kwapulinski
2021-02-16 17:48   ` Greg Kroah-Hartman
2021-02-16 17:28 ` [PATCH v1 00/12] Driver of Intel(R) Gaussian & Neural Accelerator Greg Kroah-Hartman

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