diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c')
-rw-r--r-- | drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c new file mode 100644 index 000000000000..4c71e3b93b58 --- /dev/null +++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c @@ -0,0 +1,288 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + ******************************************************************************/ +#define _USB_OPS_LINUX_C_ + +#include <drv_types.h> +#include <usb_ops_linux.h> +#include <rtw_sreset.h> + +unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr) +{ + unsigned int pipe = 0, ep_num = 0; + struct usb_device *pusbd = pdvobj->pusbdev; + + if (addr == RECV_BULK_IN_ADDR) { + pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]); + } else if (addr == RECV_INT_IN_ADDR) { + pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[1]); + } else if (addr < HW_QUEUE_ENTRY) { + ep_num = pdvobj->Queue2Pipe[addr]; + pipe = usb_sndbulkpipe(pusbd, ep_num); + } + + return pipe; +} + +struct zero_bulkout_context { + void *pbuf; + void *purb; + void *pirp; + void *padapter; +}; + +void usb_read_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem) +{ +} + +void usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem) +{ +} + +void usb_read_port_cancel(struct intf_hdl *pintfhdl) +{ + int i; + struct recv_buf *precvbuf; + struct adapter *padapter = pintfhdl->padapter; + precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf; + + DBG_88E("%s\n", __func__); + + padapter->bReadPortCancel = true; + + for (i = 0; i < NR_RECVBUFF; i++) { + precvbuf->reuse = true; + if (precvbuf->purb) + usb_kill_urb(precvbuf->purb); + precvbuf++; + } +} + +static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs) +{ + struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context; + struct adapter *padapter = pxmitbuf->padapter; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct hal_data_8188e *haldata; + +_func_enter_; + + switch (pxmitbuf->flags) { + case VO_QUEUE_INX: + pxmitpriv->voq_cnt--; + break; + case VI_QUEUE_INX: + pxmitpriv->viq_cnt--; + break; + case BE_QUEUE_INX: + pxmitpriv->beq_cnt--; + break; + case BK_QUEUE_INX: + pxmitpriv->bkq_cnt--; + break; + case HIGH_QUEUE_INX: +#ifdef CONFIG_88EU_AP_MODE + rtw_chk_hi_queue_cmd(padapter); +#endif + break; + default: + break; + } + + if (padapter->bSurpriseRemoved || padapter->bDriverStopped || + padapter->bWritePortCancel) { + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, + ("usb_write_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)", + padapter->bDriverStopped, padapter->bSurpriseRemoved)); + DBG_88E("%s(): TX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bWritePortCancel(%d) pxmitbuf->ext_tag(%x)\n", + __func__, padapter->bDriverStopped, + padapter->bSurpriseRemoved, padapter->bReadPortCancel, + pxmitbuf->ext_tag); + + goto check_completion; + } + + if (purb->status) { + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete : purb->status(%d) != 0\n", purb->status)); + DBG_88E("###=> urb_write_port_complete status(%d)\n", purb->status); + if ((purb->status == -EPIPE) || (purb->status == -EPROTO)) { + sreset_set_wifi_error_status(padapter, USB_WRITE_PORT_FAIL); + } else if (purb->status == -EINPROGRESS) { + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete: EINPROGESS\n")); + goto check_completion; + } else if (purb->status == -ENOENT) { + DBG_88E("%s: -ENOENT\n", __func__); + goto check_completion; + } else if (purb->status == -ECONNRESET) { + DBG_88E("%s: -ECONNRESET\n", __func__); + goto check_completion; + } else if (purb->status == -ESHUTDOWN) { + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete: ESHUTDOWN\n")); + padapter->bDriverStopped = true; + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete:bDriverStopped = true\n")); + goto check_completion; + } else { + padapter->bSurpriseRemoved = true; + DBG_88E("bSurpriseRemoved = true\n"); + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete:bSurpriseRemoved = true\n")); + + goto check_completion; + } + } + + haldata = GET_HAL_DATA(padapter); + haldata->srestpriv.last_tx_complete_time = rtw_get_current_time(); + +check_completion: + rtw_sctx_done_err(&pxmitbuf->sctx, + purb->status ? RTW_SCTX_DONE_WRITE_PORT_ERR : + RTW_SCTX_DONE_SUCCESS); + + rtw_free_xmitbuf(pxmitpriv, pxmitbuf); + + tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); + +_func_exit_; +} + +u32 usb_write_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem) +{ + unsigned long irqL; + unsigned int pipe; + int status; + u32 ret = _FAIL; + struct urb *purb = NULL; + struct adapter *padapter = (struct adapter *)pintfhdl->padapter; + struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct xmit_buf *pxmitbuf = (struct xmit_buf *)wmem; + struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data; + struct usb_device *pusbd = pdvobj->pusbdev; + +_func_enter_; + + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("+usb_write_port\n")); + + if ((padapter->bDriverStopped) || (padapter->bSurpriseRemoved) || + (padapter->pwrctrlpriv.pnp_bstop_trx)) { + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, + ("usb_write_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n")); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY); + goto exit; + } + + _enter_critical(&pxmitpriv->lock, &irqL); + + switch (addr) { + case VO_QUEUE_INX: + pxmitpriv->voq_cnt++; + pxmitbuf->flags = VO_QUEUE_INX; + break; + case VI_QUEUE_INX: + pxmitpriv->viq_cnt++; + pxmitbuf->flags = VI_QUEUE_INX; + break; + case BE_QUEUE_INX: + pxmitpriv->beq_cnt++; + pxmitbuf->flags = BE_QUEUE_INX; + break; + case BK_QUEUE_INX: + pxmitpriv->bkq_cnt++; + pxmitbuf->flags = BK_QUEUE_INX; + break; + case HIGH_QUEUE_INX: + pxmitbuf->flags = HIGH_QUEUE_INX; + break; + default: + pxmitbuf->flags = MGT_QUEUE_INX; + break; + } + + _exit_critical(&pxmitpriv->lock, &irqL); + + purb = pxmitbuf->pxmit_urb[0]; + + /* translate DMA FIFO addr to pipehandle */ + pipe = ffaddr2pipehdl(pdvobj, addr); + + usb_fill_bulk_urb(purb, pusbd, pipe, + pxmitframe->buf_addr, /* pxmitbuf->pbuf */ + cnt, + usb_write_port_complete, + pxmitbuf);/* context is pxmitbuf */ + + status = usb_submit_urb(purb, GFP_ATOMIC); + if (!status) { + struct hal_data_8188e *haldata = GET_HAL_DATA(padapter); + + haldata->srestpriv.last_tx_time = rtw_get_current_time(); + } else { + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_WRITE_PORT_ERR); + DBG_88E("usb_write_port, status =%d\n", status); + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port(): usb_submit_urb, status =%x\n", status)); + + switch (status) { + case -ENODEV: + padapter->bDriverStopped = true; + break; + default: + break; + } + goto exit; + } + + ret = _SUCCESS; + +/* We add the URB_ZERO_PACKET flag to urb so that the host will send the zero packet automatically. */ + + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("-usb_write_port\n")); + +exit: + if (ret != _SUCCESS) + rtw_free_xmitbuf(pxmitpriv, pxmitbuf); +_func_exit_; + return ret; +} + +void usb_write_port_cancel(struct intf_hdl *pintfhdl) +{ + int i, j; + struct adapter *padapter = pintfhdl->padapter; + struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf; + + DBG_88E("%s\n", __func__); + + padapter->bWritePortCancel = true; + + for (i = 0; i < NR_XMITBUFF; i++) { + for (j = 0; j < 8; j++) { + if (pxmitbuf->pxmit_urb[j]) + usb_kill_urb(pxmitbuf->pxmit_urb[j]); + } + pxmitbuf++; + } + + pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf; + for (i = 0; i < NR_XMIT_EXTBUFF; i++) { + for (j = 0; j < 8; j++) { + if (pxmitbuf->pxmit_urb[j]) + usb_kill_urb(pxmitbuf->pxmit_urb[j]); + } + pxmitbuf++; + } +} |