1 files changed, 122 insertions, 134 deletions

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 0cf69033c529..e4a9350376bf 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -8,159 +8,179 @@
 #include "../include/recv_osdep.h"
 #include "../include/rtl8188e_hal.h"
 
-static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u16 value, void *pdata, u16 len, u8 requesttype)
+static int usb_read(struct intf_hdl *intf, u16 value, void *data, u8 size)
 {
-	struct adapter	*adapt = pintfhdl->padapter;
-	struct dvobj_priv  *dvobjpriv = adapter_to_dvobj(adapt);
+	struct adapter *adapt = intf->padapter;
+	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
 	struct usb_device *udev = dvobjpriv->pusbdev;
-	unsigned int pipe;
-	int status = 0;
-	u8 *pIo_buf;
-	int vendorreq_times = 0;
-
-	if ((adapt->bSurpriseRemoved) || (adapt->pwrctrlpriv.pnp_bstop_trx)) {
-		status = -EPERM;
-		goto exit;
+	int status;
+	u8 io_buf[4];
+
+	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx)
+		return -EPERM;
+
+	status = usb_control_msg_recv(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
+				      REALTEK_USB_VENQT_READ, value,
+				      REALTEK_USB_VENQT_CMD_IDX, io_buf,
+				      size, RTW_USB_CONTROL_MSG_TIMEOUT,
+				      GFP_KERNEL);
+
+	if (status == -ESHUTDOWN ||
+	    status == -ENODEV ||
+	    status == -ENOENT) {
+		/*
+		 * device or controller has been disabled due to
+		 * some problem that could not be worked around,
+		 * device or bus doesn’t exist, endpoint does not
+		 * exist or is not enabled.
+		 */
+		adapt->bSurpriseRemoved = true;
+		return status;
 	}
 
-	if (len > MAX_VENDOR_REQ_CMD_SIZE) {
-		DBG_88E("[%s] Buffer len error ,vendor request failed\n", __func__);
-		status = -EINVAL;
-		goto exit;
+	if (status < 0) {
+		if (rtw_inc_and_chk_continual_urb_error(dvobjpriv))
+			adapt->bSurpriseRemoved = true;
+
+		return status;
 	}
 
-	_enter_critical_mutex(&dvobjpriv->usb_vendor_req_mutex, NULL);
+	rtw_reset_continual_urb_error(dvobjpriv);
+	memcpy(data, io_buf, size);
 
-	/*  Acquire IO memory for vendorreq */
-	pIo_buf = dvobjpriv->usb_vendor_req_buf;
+	return status;
+}
 
-	if (!pIo_buf) {
-		DBG_88E("[%s] pIo_buf == NULL\n", __func__);
-		status = -ENOMEM;
-		goto release_mutex;
+static int usb_write(struct intf_hdl *intf, u16 value, void *data, u8 size)
+{
+	struct adapter *adapt = intf->padapter;
+	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);
+	struct usb_device *udev = dvobjpriv->pusbdev;
+	int status;
+	u8 io_buf[VENDOR_CMD_MAX_DATA_LEN];
+
+	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx)
+		return -EPERM;
+
+	memcpy(io_buf, data, size);
+	status = usb_control_msg_send(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
+				      REALTEK_USB_VENQT_WRITE, value,
+				      REALTEK_USB_VENQT_CMD_IDX, io_buf,
+				      size, RTW_USB_CONTROL_MSG_TIMEOUT,
+				      GFP_KERNEL);
+
+	if (status == -ESHUTDOWN ||
+	    status == -ENODEV ||
+	    status == -ENOENT) {
+		/*
+		 * device or controller has been disabled due to
+		 * some problem that could not be worked around,
+		 * device or bus doesn’t exist, endpoint does not
+		 * exist or is not enabled.
+		 */
+		adapt->bSurpriseRemoved = true;
+		return status;
 	}
 
-	if (requesttype == REALTEK_USB_VENQT_READ)
-		pipe = usb_rcvctrlpipe(udev, 0);/* read_in */
-	else
-		pipe = usb_sndctrlpipe(udev, 0);/* write_out */
-
-	while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
-		if (requesttype == REALTEK_USB_VENQT_READ)
-			memset(pIo_buf, 0, len);
-		else
-			memcpy(pIo_buf, pdata, len);
-
-		status = usb_control_msg(udev, pipe, REALTEK_USB_VENQT_CMD_REQ,
-					 requesttype, value, REALTEK_USB_VENQT_CMD_IDX,
-					 pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
-
-		if (status == len) {   /*  Success this control transfer. */
-			rtw_reset_continual_urb_error(dvobjpriv);
-			if (requesttype == REALTEK_USB_VENQT_READ)
-				memcpy(pdata, pIo_buf,  len);
-		} else { /*  error cases */
-			DBG_88E("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n",
-				value, (requesttype == REALTEK_USB_VENQT_READ) ? "read" : "write",
-				len, status, *(u32 *)pdata, vendorreq_times);
-
-			if (status < 0) {
-				if (status == (-ESHUTDOWN) || status == -ENODEV) {
-					adapt->bSurpriseRemoved = true;
-				} else {
-					struct hal_data_8188e	*haldata = GET_HAL_DATA(adapt);
-					haldata->srestpriv.wifi_error_status = USB_VEN_REQ_CMD_FAIL;
-				}
-			} else { /*  status != len && status >= 0 */
-				if (status > 0) {
-					if (requesttype == REALTEK_USB_VENQT_READ) {
-						/*  For Control read transfer, we have to copy the read data from pIo_buf to pdata. */
-						memcpy(pdata, pIo_buf,  len);
-					}
-				}
-			}
+	if (status < 0) {
+		if (rtw_inc_and_chk_continual_urb_error(dvobjpriv))
+			adapt->bSurpriseRemoved = true;
 
-			if (rtw_inc_and_chk_continual_urb_error(dvobjpriv)) {
-				adapt->bSurpriseRemoved = true;
-				break;
-			}
+		return status;
+	}
 
-		}
+	rtw_reset_continual_urb_error(dvobjpriv);
 
-		/*  firmware download is checksumed, don't retry */
-		if ((value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || status == len)
-			break;
-	}
-release_mutex:
-	_exit_critical_mutex(&dvobjpriv->usb_vendor_req_mutex, NULL);
-exit:
 	return status;
 }
 
-static u8 usb_read8(struct intf_hdl *pintfhdl, u32 addr)
+u8 rtw_read8(struct adapter *adapter, u32 addr)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
 	u8 data;
 
-	usbctrl_vendorreq(pintfhdl, wvalue, &data, 1, REALTEK_USB_VENQT_READ);
+	usb_read(intf, value, &data, 1);
 
 	return data;
 }
 
-static u16 usb_read16(struct intf_hdl *pintfhdl, u32 addr)
+u16 rtw_read16(struct adapter *adapter, u32 addr)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
-	__le32 data;
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
+	__le16 data;
 
-	usbctrl_vendorreq(pintfhdl, wvalue, &data, 2, REALTEK_USB_VENQT_READ);
+	usb_read(intf, value, &data, 2);
 
-	return (u16)(le32_to_cpu(data) & 0xffff);
+	return le16_to_cpu(data);
 }
 
-static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
+u32 rtw_read32(struct adapter *adapter, u32 addr)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
 	__le32 data;
 
-	usbctrl_vendorreq(pintfhdl, wvalue, &data, 4, REALTEK_USB_VENQT_READ);
+	usb_read(intf, value, &data, 4);
 
 	return le32_to_cpu(data);
 }
 
-static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
+int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
+	int ret;
 
-	return usbctrl_vendorreq(pintfhdl, wvalue, &val, 1, REALTEK_USB_VENQT_WRITE);
+	ret = usb_write(intf, value, &val, 1);
+
+	return RTW_STATUS_CODE(ret);
 }
 
-static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
+int rtw_write16(struct adapter *adapter, u32 addr, u16 val)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
-	__le32 data = cpu_to_le32(val & 0x0000ffff);
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
+	__le16 data = cpu_to_le16(val);
+	int ret;
+
+	ret = usb_write(intf, value, &data, 2);
 
-	return usbctrl_vendorreq(pintfhdl, wvalue, &data, 2, REALTEK_USB_VENQT_WRITE);
+	return RTW_STATUS_CODE(ret);
 }
 
-static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
+int rtw_write32(struct adapter *adapter, u32 addr, u32 val)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
 	__le32 data = cpu_to_le32(val);
+	int ret;
 
-	return usbctrl_vendorreq(pintfhdl, wvalue, &data, 4, REALTEK_USB_VENQT_WRITE);
+	ret = usb_write(intf, value, &data, 4);
+
+	return RTW_STATUS_CODE(ret);
 }
 
-static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
+int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
 {
-	u16 wvalue = (u16)(addr & 0x0000ffff);
-	u8 buf[VENDOR_CMD_MAX_DATA_LEN] = {0};
+	struct io_priv *io_priv = &adapter->iopriv;
+	struct intf_hdl *intf = &io_priv->intf;
+	u16 value = addr & 0xffff;
+	int ret;
 
 	if (length > VENDOR_CMD_MAX_DATA_LEN)
-		return -EINVAL;
+		return _FAIL;
 
-	memcpy(buf, pdata, length);
+	ret = usb_write(intf, value, data, length);
 
-	return usbctrl_vendorreq(pintfhdl, wvalue, buf, (length & 0xffff), REALTEK_USB_VENQT_WRITE);
+	return RTW_STATUS_CODE(ret);
 }
 
 static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)
@@ -415,10 +435,6 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 			break;
 		case -EPROTO:
 		case -EOVERFLOW:
-			{
-				struct hal_data_8188e	*haldata = GET_HAL_DATA(adapt);
-				haldata->srestpriv.wifi_error_status = USB_READ_PORT_FAIL;
-			}
 			precvbuf->reuse = true;
 			rtw_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
 			break;
@@ -431,11 +447,10 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 	}
 }
 
-static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
+u32 rtw_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *rmem)
 {
 	struct urb *purb = NULL;
 	struct recv_buf	*precvbuf = (struct recv_buf *)rmem;
-	struct adapter		*adapter = pintfhdl->padapter;
 	struct dvobj_priv	*pdvobj = adapter_to_dvobj(adapter);
 	struct recv_priv	*precvpriv = &adapter->recvpriv;
 	struct usb_device	*pusbd = pdvobj->pusbdev;
@@ -458,7 +473,7 @@ static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
 			precvbuf->reuse = true;
 	}
 
-	rtl8188eu_init_recvbuf(adapter, precvbuf);
+	rtl8188eu_init_recvbuf(precvbuf);
 
 	/* re-assign for linux based on skb */
 	if (!precvbuf->reuse || !precvbuf->pskb) {
@@ -533,30 +548,3 @@ void rtl8188eu_xmit_tasklet(unsigned long priv)
 			break;
 	}
 }
-
-void rtl8188eu_set_intf_ops(struct _io_ops	*pops)
-{
-
-	memset((u8 *)pops, 0, sizeof(struct _io_ops));
-	pops->_read8 = &usb_read8;
-	pops->_read16 = &usb_read16;
-	pops->_read32 = &usb_read32;
-	pops->_read_mem = &usb_read_mem;
-	pops->_read_port = &usb_read_port;
-	pops->_write8 = &usb_write8;
-	pops->_write16 = &usb_write16;
-	pops->_write32 = &usb_write32;
-	pops->_writeN = &usb_writeN;
-	pops->_write_mem = &usb_write_mem;
-	pops->_write_port = &usb_write_port;
-	pops->_read_port_cancel = &usb_read_port_cancel;
-	pops->_write_port_cancel = &usb_write_port_cancel;
-
-}
-
-void rtl8188eu_set_hw_type(struct adapter *adapt)
-{
-	adapt->chip_type = RTL8188E;
-	adapt->HardwareType = HARDWARE_TYPE_RTL8188EU;
-	DBG_88E("CHIP TYPE: RTL8188E\n");
-}