diff options
author | Dmitry Bezrukov <dmitry.bezrukov@aquantia.com> | 2018-11-26 12:33:04 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2018-11-28 02:46:06 +0300 |
commit | 619fcb4487959ad5238af1adb13c331dc6945072 (patch) | |
tree | a47bac672a53c7b359458a057d659c057212aa3d /drivers/net/usb | |
parent | 7cea2d40afd05375d521a0f8e17dec1c1b5806b2 (diff) | |
download | linux-619fcb4487959ad5238af1adb13c331dc6945072.tar.xz |
net: usb: aqc111: Add implementation of read and write commands
Read/write command register defines and functions
Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r-- | drivers/net/usb/aqc111.c | 92 | ||||
-rw-r--r-- | drivers/net/usb/aqc111.h | 18 |
2 files changed, 110 insertions, 0 deletions
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index a2628856c580..fbd48b8a6944 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@davehollis.com> + * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> + * 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 */ |