mirror of
https://github.com/lwfinger/rtl8188eu.git
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323 lines
8.2 KiB
C
323 lines
8.2 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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/*
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The purpose of rtw_io.c
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a. provides the API
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b. provides the protocol engine
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c. provides the software interface between caller and the hardware interface
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Compiler Flag Option:
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USB:
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a. USE_ASYNC_IRP: Both sync/async operations are provided.
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Only sync read/rtw_write_mem operations are provided.
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jackson@realtek.com.tw
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*/
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#define _RTW_IO_C_
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <rtw_io.h>
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#include <osdep_intf.h>
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#include <usb_ops.h>
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#define rtw_le16_to_cpu(val) le16_to_cpu(val)
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#define rtw_le32_to_cpu(val) le32_to_cpu(val)
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#define rtw_cpu_to_le16(val) cpu_to_le16(val)
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#define rtw_cpu_to_le32(val) cpu_to_le32(val)
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u8 _rtw_read8(struct adapter *adapter, u32 addr)
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{
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u8 r_val;
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
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_read8 = pintfhdl->io_ops._read8;
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r_val = _read8(pintfhdl, addr);
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return r_val;
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}
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u16 _rtw_read16(struct adapter *adapter, u32 addr)
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{
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u16 r_val;
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
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_read16 = pintfhdl->io_ops._read16;
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r_val = _read16(pintfhdl, addr);
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return r_val;
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}
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u32 _rtw_read32(struct adapter *adapter, u32 addr)
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{
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u32 r_val;
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
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_read32 = pintfhdl->io_ops._read32;
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r_val = _read32(pintfhdl, addr);
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return r_val;
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}
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int _rtw_write8(struct adapter *adapter, u32 addr, u8 val)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
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int ret;
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_write8 = pintfhdl->io_ops._write8;
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ret = _write8(pintfhdl, addr, val);
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return RTW_STATUS_CODE(ret);
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}
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int _rtw_write16(struct adapter *adapter, u32 addr, u16 val)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
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int ret;
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_write16 = pintfhdl->io_ops._write16;
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ret = _write16(pintfhdl, addr, val);
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return RTW_STATUS_CODE(ret);
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}
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int _rtw_write32(struct adapter *adapter, u32 addr, u32 val)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
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int ret;
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_write32 = pintfhdl->io_ops._write32;
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ret = _write32(pintfhdl, addr, val);
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return RTW_STATUS_CODE(ret);
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}
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int _rtw_writeN(struct adapter *adapter, u32 addr , u32 length , u8 *pdata)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = (struct intf_hdl *)(&(pio_priv->intf));
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int (*_writeN)(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata);
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int ret;
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_writeN = pintfhdl->io_ops._writeN;
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ret = _writeN(pintfhdl, addr, length, pdata);
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return RTW_STATUS_CODE(ret);
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}
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int _rtw_write8_async(struct adapter *adapter, u32 addr, u8 val)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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int (*_write8_async)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
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int ret;
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_write8_async = pintfhdl->io_ops._write8_async;
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ret = _write8_async(pintfhdl, addr, val);
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return RTW_STATUS_CODE(ret);
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}
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int _rtw_write16_async(struct adapter *adapter, u32 addr, u16 val)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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int (*_write16_async)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
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int ret;
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_write16_async = pintfhdl->io_ops._write16_async;
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ret = _write16_async(pintfhdl, addr, val);
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return RTW_STATUS_CODE(ret);
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}
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int _rtw_write32_async(struct adapter *adapter, u32 addr, u32 val)
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{
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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int (*_write32_async)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
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int ret;
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_write32_async = pintfhdl->io_ops._write32_async;
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ret = _write32_async(pintfhdl, addr, val);
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return RTW_STATUS_CODE(ret);
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}
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void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
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{
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void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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if (adapter->bDriverStopped || adapter->bSurpriseRemoved) {
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RT_TRACE(_module_rtl871x_io_c_, _drv_info_,
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("rtw_read_mem:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
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adapter->bDriverStopped, adapter->bSurpriseRemoved));
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return;
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}
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_read_mem = pintfhdl->io_ops._read_mem;
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_read_mem(pintfhdl, addr, cnt, pmem);
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}
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void _rtw_write_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
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{
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void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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_write_mem = pintfhdl->io_ops._write_mem;
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_write_mem(pintfhdl, addr, cnt, pmem);
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}
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void _rtw_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
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{
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u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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if (adapter->bDriverStopped || adapter->bSurpriseRemoved) {
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RT_TRACE(_module_rtl871x_io_c_, _drv_info_,
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("rtw_read_port:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
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adapter->bDriverStopped, adapter->bSurpriseRemoved));
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return;
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}
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_read_port = pintfhdl->io_ops._read_port;
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_read_port(pintfhdl, addr, cnt, pmem);
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}
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void _rtw_read_port_cancel(struct adapter *adapter)
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{
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void (*_read_port_cancel)(struct intf_hdl *pintfhdl);
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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_read_port_cancel = pintfhdl->io_ops._read_port_cancel;
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if (_read_port_cancel)
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_read_port_cancel(pintfhdl);
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}
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u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
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{
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u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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u32 ret = _SUCCESS;
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_write_port = pintfhdl->io_ops._write_port;
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ret = _write_port(pintfhdl, addr, cnt, pmem);
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return ret;
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}
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u32 _rtw_write_port_and_wait(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem, int timeout_ms)
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{
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int ret = _SUCCESS;
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struct xmit_buf *pxmitbuf = (struct xmit_buf *)pmem;
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struct submit_ctx sctx;
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rtw_sctx_init(&sctx, timeout_ms);
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pxmitbuf->sctx = &sctx;
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ret = _rtw_write_port(adapter, addr, cnt, pmem);
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if (ret == _SUCCESS)
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ret = rtw_sctx_wait(&sctx);
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return ret;
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}
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void _rtw_write_port_cancel(struct adapter *adapter)
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{
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void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
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struct io_priv *pio_priv = &adapter->iopriv;
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struct intf_hdl *pintfhdl = &(pio_priv->intf);
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_write_port_cancel = pintfhdl->io_ops._write_port_cancel;
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if (_write_port_cancel)
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_write_port_cancel(pintfhdl);
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}
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int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct _io_ops *pops))
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{
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struct io_priv *piopriv = &padapter->iopriv;
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struct intf_hdl *pintf = &piopriv->intf;
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if (set_intf_ops == NULL)
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return _FAIL;
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piopriv->padapter = padapter;
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pintf->padapter = padapter;
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pintf->pintf_dev = adapter_to_dvobj(padapter);
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set_intf_ops(&pintf->io_ops);
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return _SUCCESS;
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}
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