From 619fcb4487959ad5238af1adb13c331dc6945072 Mon Sep 17 00:00:00 2001 From: Dmitry Bezrukov Date: Mon, 26 Nov 2018 09:33:04 +0000 Subject: net: usb: aqc111: Add implementation of read and write commands Read/write command register defines and functions Signed-off-by: Dmitry Bezrukov Signed-off-by: Igor Russkikh Signed-off-by: David S. Miller --- drivers/net/usb/aqc111.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) (limited to 'drivers/net/usb/aqc111.c') 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 #include +#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, -- cgit v1.2.3