204 lines
5.5 KiB
C
204 lines
5.5 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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******************************************************************************/
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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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1. CONFIG_SDIO_HCI:
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a. USE_SYNC_IRP: Only sync operations are provided.
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b. USE_ASYNC_IRP:Both sync/async 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 <drv_types.h>
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#include <rtw_debug.h>
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#define rtw_le16_to_cpu(val) val
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#define rtw_le32_to_cpu(val) val
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#define rtw_cpu_to_le16(val) val
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#define rtw_cpu_to_le32(val) 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_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
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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_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
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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 rtw_le16_to_cpu(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_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
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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 rtw_le32_to_cpu(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_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
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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_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
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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_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
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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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u8 _rtw_sd_f0_read8(struct adapter *adapter, u32 addr)
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{
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u8 r_val = 0x00;
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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 (*_sd_f0_read8)(struct intf_hdl *pintfhdl, u32 addr);
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_sd_f0_read8 = pintfhdl->io_ops._sd_f0_read8;
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if (_sd_f0_read8)
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r_val = _sd_f0_read8(pintfhdl, addr);
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else
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DBG_871X_LEVEL(_drv_warning_, FUNC_ADPT_FMT" _sd_f0_read8 callback is NULL\n", FUNC_ADPT_ARG(adapter));
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return r_val;
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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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int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct adapter *padapter, 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(padapter, &pintf->io_ops);
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return _SUCCESS;
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}
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/*
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* Increase and check if the continual_io_error of this @param dvobjprive is larger than MAX_CONTINUAL_IO_ERR
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* @return true:
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* @return false:
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*/
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int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj)
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{
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int ret = false;
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int value = atomic_inc_return(&dvobj->continual_io_error);
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if (value > MAX_CONTINUAL_IO_ERR) {
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DBG_871X("[dvobj:%p][ERROR] continual_io_error:%d > %d\n", dvobj, value, MAX_CONTINUAL_IO_ERR);
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ret = true;
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} else {
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/* DBG_871X("[dvobj:%p] continual_io_error:%d\n", dvobj, value); */
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}
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return ret;
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}
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/*
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* Set the continual_io_error of this @param dvobjprive to 0
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*/
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void rtw_reset_continual_io_error(struct dvobj_priv *dvobj)
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{
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atomic_set(&dvobj->continual_io_error, 0);
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}
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