diff options
Diffstat (limited to 'drivers/net/usb/aqc111.c')
| -rw-r--r-- | drivers/net/usb/aqc111.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index 75849714abfa..e277209df616 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -137,14 +137,49 @@ static int aqc111_write16_cmd(struct usbnet *dev, u8 cmd, u16 value, return aqc111_write_cmd(dev, cmd, value, index, sizeof(tmp), &tmp); } +static int aqc111_write32_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value, + u16 index, u32 *data) +{ + u32 tmp = *data; + + cpu_to_le32s(&tmp); + + return aqc111_write_cmd_nopm(dev, cmd, value, index, sizeof(tmp), &tmp); +} + +static int aqc111_write32_cmd(struct usbnet *dev, u8 cmd, u16 value, + u16 index, u32 *data) +{ + u32 tmp = *data; + + cpu_to_le32s(&tmp); + + return aqc111_write_cmd(dev, cmd, value, index, sizeof(tmp), &tmp); +} + static const struct net_device_ops aqc111_netdev_ops = { .ndo_open = usbnet_open, .ndo_stop = usbnet_stop, }; +static void aqc111_read_fw_version(struct usbnet *dev, + struct aqc111_data *aqc111_data) +{ + aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_MAJOR, + 1, 1, &aqc111_data->fw_ver.major); + aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_MINOR, + 1, 1, &aqc111_data->fw_ver.minor); + aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_REV, + 1, 1, &aqc111_data->fw_ver.rev); + + if (aqc111_data->fw_ver.major & 0x80) + aqc111_data->fw_ver.major &= ~0x80; +} + static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf) { struct usb_device *udev = interface_to_usbdev(intf); + struct aqc111_data *aqc111_data; int ret; /* Check if vendor configuration */ @@ -161,13 +196,23 @@ static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf) return ret; } + aqc111_data = kzalloc(sizeof(*aqc111_data), GFP_KERNEL); + if (!aqc111_data) + return -ENOMEM; + + /* store aqc111_data pointer in device data field */ + dev->driver_priv = aqc111_data; + dev->net->netdev_ops = &aqc111_netdev_ops; + aqc111_read_fw_version(dev, aqc111_data); + return 0; } static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf) { + struct aqc111_data *aqc111_data = dev->driver_priv; u16 reg16; /* Force bz */ @@ -177,12 +222,26 @@ static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf) reg16 = 0; aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL, 2, ®16); + + /* Power down ethernet PHY */ + aqc111_data->phy_cfg |= AQ_LOW_POWER; + aqc111_data->phy_cfg &= ~AQ_PHY_POWER_EN; + aqc111_write32_cmd_nopm(dev, AQ_PHY_OPS, 0, 0, + &aqc111_data->phy_cfg); + + kfree(aqc111_data); } static int aqc111_reset(struct usbnet *dev) { + struct aqc111_data *aqc111_data = dev->driver_priv; u8 reg8 = 0; + /* Power up ethernet PHY */ + aqc111_data->phy_cfg = AQ_PHY_POWER_EN; + aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0, + &aqc111_data->phy_cfg); + reg8 = 0xFF; aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK, 1, 1, ®8); @@ -200,6 +259,7 @@ static int aqc111_reset(struct usbnet *dev) static int aqc111_stop(struct usbnet *dev) { + struct aqc111_data *aqc111_data = dev->driver_priv; u16 reg16 = 0; aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE, @@ -210,6 +270,11 @@ static int aqc111_stop(struct usbnet *dev) reg16 = 0; aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, ®16); + /* Put PHY to low power*/ + aqc111_data->phy_cfg |= AQ_LOW_POWER; + aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0, + &aqc111_data->phy_cfg); + return 0; } |