[PATCH v2 net-next 04/21] net: usb: aqc111: Various callbacks implementation

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From: Dmitry Bezrukov <dmitry.bezrukov@xxxxxxxxxxxx>

Reset, stop callbacks, driver unbind callback.
More register defines required for these callbacks.
Add helpers to read/write 16bit values

Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@xxxxxxxxxxxx>
Signed-off-by: Igor Russkikh <igor.russkikh@xxxxxxxxxxxx>
---
 drivers/net/usb/aqc111.c |  76 +++++++++++++++++++++++++++++++++++
 drivers/net/usb/aqc111.h | 101 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 177 insertions(+)

diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
index 34ed841b81dc..b08af34a5417 100644
--- a/drivers/net/usb/aqc111.c
+++ b/drivers/net/usb/aqc111.c
@@ -48,6 +48,17 @@ static int aqc111_read_cmd(struct usbnet *dev, u8 cmd, u16 value,
 	return ret;
 }
 
+static int aqc111_read16_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			     u16 index, u16 *data)
+{
+	int ret = 0;
+
+	ret = aqc111_read_cmd(dev, cmd, value, index, sizeof(*data), data);
+	le16_to_cpus(data);
+
+	return ret;
+}
+
 static int __aqc111_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
 			      u16 value, u16 index, u16 size, const void *data)
 {
@@ -106,6 +117,26 @@ static int aqc111_write_cmd(struct usbnet *dev, u8 cmd, u16 value,
 	return ret;
 }
 
+static int aqc111_write16_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+				   u16 index, u16 *data)
+{
+	u16 tmp = *data;
+
+	cpu_to_le16s(&tmp);
+
+	return aqc111_write_cmd_nopm(dev, cmd, value, index, sizeof(tmp), &tmp);
+}
+
+static int aqc111_write16_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			      u16 index, u16 *data)
+{
+	u16 tmp = *data;
+
+	cpu_to_le16s(&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,
@@ -137,12 +168,57 @@ static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf)
 
 static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf)
 {
+	u16 reg16;
+
+	/* Force bz */
+	reg16 = SFR_PHYPWR_RSTCTL_BZ;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
+				2, &reg16);
+	reg16 = 0;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
+				2, &reg16);
+}
+
+static int aqc111_reset(struct usbnet *dev)
+{
+	u8 reg8 = 0;
+
+	reg8 = 0xFF;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK, 1, 1, &reg8);
+
+	reg8 = 0x0;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_SWP_CTRL, 1, 1, &reg8);
+
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_MONITOR_MODE, 1, 1, &reg8);
+	reg8 &= ~(SFR_MONITOR_MODE_EPHYRW | SFR_MONITOR_MODE_RWLC |
+		  SFR_MONITOR_MODE_RWMP | SFR_MONITOR_MODE_RWWF |
+		  SFR_MONITOR_MODE_RW_FLAG);
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_MONITOR_MODE, 1, 1, &reg8);
+
+	return 0;
+}
+
+static int aqc111_stop(struct usbnet *dev)
+{
+	u16 reg16 = 0;
+
+	aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			  2, &reg16);
+	reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			   2, &reg16);
+	reg16 = 0;
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+
+	return 0;
 }
 
 static const struct driver_info aqc111_info = {
 	.description	= "Aquantia AQtion USB to 5GbE Controller",
 	.bind		= aqc111_bind,
 	.unbind		= aqc111_unbind,
+	.reset		= aqc111_reset,
+	.stop		= aqc111_stop,
 };
 
 #define AQC111_USB_ETH_DEV(vid, pid, table) \
diff --git a/drivers/net/usb/aqc111.h b/drivers/net/usb/aqc111.h
index f4302f7f0cc3..a252ccd78559 100644
--- a/drivers/net/usb/aqc111.h
+++ b/drivers/net/usb/aqc111.h
@@ -10,9 +10,110 @@
 #ifndef __LINUX_USBNET_AQC111_H
 #define __LINUX_USBNET_AQC111_H
 
+#define AQ_ACCESS_MAC			0x01
 #define AQ_PHY_POWER			0x31
 
 #define AQ_USB_PHY_SET_TIMEOUT		10000
 #define AQ_USB_SET_TIMEOUT		4000
 
+/* SFR Reg. ********************************************/
+
+#define SFR_GENERAL_STATUS		0x03
+#define SFR_CHIP_STATUS			0x05
+#define SFR_RX_CTL			0x0B
+	#define SFR_RX_CTL_TXPADCRC		0x0400
+	#define SFR_RX_CTL_IPE			0x0200
+	#define SFR_RX_CTL_DROPCRCERR		0x0100
+	#define SFR_RX_CTL_START		0x0080
+	#define SFR_RX_CTL_RF_WAK		0x0040
+	#define SFR_RX_CTL_AP			0x0020
+	#define SFR_RX_CTL_AM			0x0010
+	#define SFR_RX_CTL_AB			0x0008
+	#define SFR_RX_CTL_AMALL		0x0002
+	#define SFR_RX_CTL_PRO			0x0001
+	#define SFR_RX_CTL_STOP			0x0000
+#define SFR_INTER_PACKET_GAP_0		0x0D
+#define SFR_NODE_ID			0x10
+#define SFR_MULTI_FILTER_ARRY		0x16
+#define SFR_MEDIUM_STATUS_MODE		0x22
+	#define SFR_MEDIUM_XGMIIMODE		0x0001
+	#define SFR_MEDIUM_FULL_DUPLEX		0x0002
+	#define SFR_MEDIUM_RXFLOW_CTRLEN	0x0010
+	#define SFR_MEDIUM_TXFLOW_CTRLEN	0x0020
+	#define SFR_MEDIUM_JUMBO_EN		0x0040
+	#define SFR_MEDIUM_RECEIVE_EN		0x0100
+#define SFR_MONITOR_MODE		0x24
+	#define SFR_MONITOR_MODE_EPHYRW		0x01
+	#define SFR_MONITOR_MODE_RWLC		0x02
+	#define SFR_MONITOR_MODE_RWMP		0x04
+	#define SFR_MONITOR_MODE_RWWF		0x08
+	#define SFR_MONITOR_MODE_RW_FLAG	0x10
+	#define SFR_MONITOR_MODE_PMEPOL		0x20
+	#define SFR_MONITOR_MODE_PMETYPE	0x40
+#define SFR_PHYPWR_RSTCTL		0x26
+	#define SFR_PHYPWR_RSTCTL_BZ		0x0010
+	#define SFR_PHYPWR_RSTCTL_IPRL		0x0020
+#define SFR_VLAN_ID_ADDRESS		0x2A
+#define SFR_VLAN_ID_CONTROL		0x2B
+	#define SFR_VLAN_CONTROL_WE		0x0001
+	#define SFR_VLAN_CONTROL_RD		0x0002
+	#define SFR_VLAN_CONTROL_VSO		0x0010
+	#define SFR_VLAN_CONTROL_VFE		0x0020
+#define SFR_VLAN_ID_DATA0		0x2C
+#define SFR_VLAN_ID_DATA1		0x2D
+#define SFR_RX_BULKIN_QCTRL		0x2E
+	#define SFR_RX_BULKIN_QCTRL_TIME	0x01
+	#define SFR_RX_BULKIN_QCTRL_IFG		0x02
+	#define SFR_RX_BULKIN_QCTRL_SIZE	0x04
+#define SFR_RX_BULKIN_QTIMR_LOW		0x2F
+#define SFR_RX_BULKIN_QTIMR_HIGH	0x30
+#define SFR_RX_BULKIN_QSIZE		0x31
+#define SFR_RX_BULKIN_QIFG		0x32
+#define SFR_RXCOE_CTL			0x34
+	#define SFR_RXCOE_IP			0x01
+	#define SFR_RXCOE_TCP			0x02
+	#define SFR_RXCOE_UDP			0x04
+	#define SFR_RXCOE_ICMP			0x08
+	#define SFR_RXCOE_IGMP			0x10
+	#define SFR_RXCOE_TCPV6			0x20
+	#define SFR_RXCOE_UDPV6			0x40
+	#define SFR_RXCOE_ICMV6			0x80
+#define SFR_TXCOE_CTL			0x35
+	#define SFR_TXCOE_IP			0x01
+	#define SFR_TXCOE_TCP			0x02
+	#define SFR_TXCOE_UDP			0x04
+	#define SFR_TXCOE_ICMP			0x08
+	#define SFR_TXCOE_IGMP			0x10
+	#define SFR_TXCOE_TCPV6			0x20
+	#define SFR_TXCOE_UDPV6			0x40
+	#define SFR_TXCOE_ICMV6			0x80
+#define SFR_BM_INT_MASK			0x41
+#define SFR_BMRX_DMA_CONTROL		0x43
+	#define SFR_BMRX_DMA_EN			0x80
+#define SFR_BMTX_DMA_CONTROL		0x46
+#define SFR_PAUSE_WATERLVL_LOW		0x54
+#define SFR_PAUSE_WATERLVL_HIGH		0x55
+#define SFR_ARC_CTRL			0x9E
+#define SFR_SWP_CTRL			0xB1
+#define SFR_TX_PAUSE_RESEND_T		0xB2
+#define SFR_ETH_MAC_PATH		0xB7
+	#define SFR_RX_PATH_READY		0x01
+#define SFR_BULK_OUT_CTRL		0xB9
+	#define SFR_BULK_OUT_FLUSH_EN		0x01
+	#define SFR_BULK_OUT_EFF_EN		0x02
+
+static struct {
+	unsigned char ctrl;
+	unsigned char timer_l;
+	unsigned char timer_h;
+	unsigned char size;
+	unsigned char ifg;
+} AQC111_BULKIN_SIZE[] = {
+	/* xHCI & EHCI & OHCI */
+	{7, 0x00, 0x01, 0x1E, 0xFF},/* 10G, 5G, 2.5G, 1G */
+	{7, 0xA0, 0x00, 0x14, 0x00},/* 100M */
+	/* Jumbo packet */
+	{7, 0x00, 0x01, 0x18, 0xFF},
+};
+
 #endif /* __LINUX_USBNET_AQC111_H */
-- 
2.7.4





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