From: Dmitry Bezrukov <dmitry.bezrukov@xxxxxxxxxxxx>
Read/write command register defines and functions
Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@xxxxxxxxxxxx>
Signed-off-by: Igor Russkikh <igor.russkikh@xxxxxxxxxxxx>
---
drivers/net/usb/aqc111.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++++
drivers/net/usb/aqc111.h | 18 ++++++++++
2 files changed, 110 insertions(+)
create mode 100644 drivers/net/usb/aqc111.h
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
index b54bb4a98ee3..34ed841b81dc 100644
--- a/drivers/net/usb/aqc111.c
+++ b/drivers/net/usb/aqc111.c
@@ -14,6 +14,98 @@
#include <linux/usb/cdc.h>
#include <linux/usb/usbnet.h>
+#include "aqc111.h"
+
+static int aqc111_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+ u16 index, u16 size, void *data)
+{
+ int ret;
+
+ ret = usbnet_read_cmd_nopm(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE, value, index, data, size);
+
+ if (unlikely(ret < 0))
+ netdev_warn(dev->net,
+ "Failed to read(0x%x) reg index 0x%04x: %d\n",
+ cmd, index, ret);
+
+ return ret;
+}
+
+static int aqc111_read_cmd(struct usbnet *dev, u8 cmd, u16 value,
+ u16 index, u16 size, void *data)
+{
+ int ret;
+
+ ret = usbnet_read_cmd(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE, value, index, data, size);
+
+ if (unlikely(ret < 0))
+ netdev_warn(dev->net,
+ "Failed to read(0x%x) reg index 0x%04x: %d\n",
+ cmd, index, ret);
+
+ return ret;
+}
+
+static int __aqc111_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
+ u16 value, u16 index, u16 size, const void *data)
+{
+ int err = -ENOMEM;
+ void *buf = NULL;
+
+ netdev_dbg(dev->net,
+ "%s cmd=%#x reqtype=%#x value=%#x index=%#x size=%d\n",
+ __func__, cmd, reqtype, value, index, size);
+
+ if (data) {
+ buf = kmemdup(data, size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+ }
+
+ err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+ cmd, reqtype, value, index, buf, size,
+ (cmd == AQ_PHY_POWER) ? AQ_USB_PHY_SET_TIMEOUT :
+ AQ_USB_SET_TIMEOUT);
+
+ if (unlikely(err < 0))
+ netdev_warn(dev->net,
+ "Failed to write(0x%x) reg index 0x%04x: %d\n",
+ cmd, index, err);
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static int aqc111_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+ u16 index, u16 size, void *data)
+{
+ int ret;
+
+ ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE, value, index, size, data);
+
+ return ret;
+}
+
+static int aqc111_write_cmd(struct usbnet *dev, u8 cmd, u16 value,
+ u16 index, u16 size, void *data)
+{
+ int ret;
+
+ if (usb_autopm_get_interface(dev->intf) < 0)
+ return -ENODEV;
+
+ ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE, value, index, size, data);
+
+ usb_autopm_put_interface(dev->intf);
+
+ return ret;
+}
+
static const struct net_device_ops aqc111_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
diff --git a/drivers/net/usb/aqc111.h b/drivers/net/usb/aqc111.h
new file mode 100644
index 000000000000..f4302f7f0cc3
--- /dev/null
+++ b/drivers/net/usb/aqc111.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ * Aquantia Corp. Aquantia AQtion USB to 5GbE Controller
+ * Copyright (C) 2003-2005 David Hollis <dhollis@xxxxxxxxxxxxxx>
+ * Copyright (C) 2005 Phil Chang <pchang23@xxxxxxxxxxxxx>
+ * Copyright (C) 2002-2003 TiVo Inc.
+ * Copyright (C) 2017-2018 ASIX
+ * Copyright (C) 2018 Aquantia Corp.
+ */
+
+#ifndef __LINUX_USBNET_AQC111_H
+#define __LINUX_USBNET_AQC111_H
+
+#define AQ_PHY_POWER 0x31
+
+#define AQ_USB_PHY_SET_TIMEOUT 10000
+#define AQ_USB_SET_TIMEOUT 4000
+
+#endif /* __LINUX_USBNET_AQC111_H */
--
2.7.4
