diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_io.c')
| -rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_io.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_io.c b/drivers/staging/rtl8723bs/core/rtw_io.c new file mode 100644 index 0000000..6bd5a474 --- /dev/null +++ b/drivers/staging/rtl8723bs/core/rtw_io.c @@ -0,0 +1,203 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 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. + * + ******************************************************************************/ +/* + +The purpose of rtw_io.c + +a. provides the API + +b. provides the protocol engine + +c. provides the software interface between caller and the hardware interface + + +Compiler Flag Option: + +1. CONFIG_SDIO_HCI: + a. USE_SYNC_IRP: Only sync operations are provided. + b. USE_ASYNC_IRP:Both sync/async operations are provided. + +jackson@realtek.com.tw + +*/ + +#define _RTW_IO_C_ + +#include <drv_types.h> +#include <rtw_debug.h> + +#define rtw_le16_to_cpu(val) val +#define rtw_le32_to_cpu(val) val +#define rtw_cpu_to_le16(val) val +#define rtw_cpu_to_le32(val) val + +u8 _rtw_read8(struct adapter *adapter, u32 addr) +{ + u8 r_val; + /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */ + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr); + + _read8 = pintfhdl->io_ops._read8; + + r_val = _read8(pintfhdl, addr); + return r_val; +} + +u16 _rtw_read16(struct adapter *adapter, u32 addr) +{ + u16 r_val; + /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */ + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr); + + _read16 = pintfhdl->io_ops._read16; + + r_val = _read16(pintfhdl, addr); + return rtw_le16_to_cpu(r_val); +} + +u32 _rtw_read32(struct adapter *adapter, u32 addr) +{ + u32 r_val; + /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */ + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr); + + _read32 = pintfhdl->io_ops._read32; + + r_val = _read32(pintfhdl, addr); + return rtw_le32_to_cpu(r_val); + +} + +int _rtw_write8(struct adapter *adapter, u32 addr, u8 val) +{ + /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */ + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val); + int ret; + + _write8 = pintfhdl->io_ops._write8; + + ret = _write8(pintfhdl, addr, val); + + return RTW_STATUS_CODE(ret); +} +int _rtw_write16(struct adapter *adapter, u32 addr, u16 val) +{ + /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */ + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val); + int ret; + + _write16 = pintfhdl->io_ops._write16; + + ret = _write16(pintfhdl, addr, val); + return RTW_STATUS_CODE(ret); +} +int _rtw_write32(struct adapter *adapter, u32 addr, u32 val) +{ + /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */ + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val); + int ret; + + _write32 = pintfhdl->io_ops._write32; + + ret = _write32(pintfhdl, addr, val); + + return RTW_STATUS_CODE(ret); +} + +u8 _rtw_sd_f0_read8(struct adapter *adapter, u32 addr) +{ + u8 r_val = 0x00; + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + u8 (*_sd_f0_read8)(struct intf_hdl *pintfhdl, u32 addr); + + _sd_f0_read8 = pintfhdl->io_ops._sd_f0_read8; + + if (_sd_f0_read8) + r_val = _sd_f0_read8(pintfhdl, addr); + else + DBG_871X_LEVEL(_drv_warning_, FUNC_ADPT_FMT" _sd_f0_read8 callback is NULL\n", FUNC_ADPT_ARG(adapter)); + + return r_val; +} + +u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem) +{ + u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); + struct io_priv *pio_priv = &adapter->iopriv; + struct intf_hdl *pintfhdl = &(pio_priv->intf); + u32 ret = _SUCCESS; + + _write_port = pintfhdl->io_ops._write_port; + + ret = _write_port(pintfhdl, addr, cnt, pmem); + + return ret; +} + +int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct adapter *padapter, struct _io_ops *pops)) +{ + struct io_priv *piopriv = &padapter->iopriv; + struct intf_hdl *pintf = &piopriv->intf; + + if (set_intf_ops == NULL) + return _FAIL; + + piopriv->padapter = padapter; + pintf->padapter = padapter; + pintf->pintf_dev = adapter_to_dvobj(padapter); + + set_intf_ops(padapter, &pintf->io_ops); + + return _SUCCESS; +} + +/* +* Increase and check if the continual_io_error of this @param dvobjprive is larger than MAX_CONTINUAL_IO_ERR +* @return true: +* @return false: +*/ +int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj) +{ + int ret = false; + int value = atomic_inc_return(&dvobj->continual_io_error); + if (value > MAX_CONTINUAL_IO_ERR) { + DBG_871X("[dvobj:%p][ERROR] continual_io_error:%d > %d\n", dvobj, value, MAX_CONTINUAL_IO_ERR); + ret = true; + } else { + /* DBG_871X("[dvobj:%p] continual_io_error:%d\n", dvobj, value); */ + } + return ret; +} + +/* +* Set the continual_io_error of this @param dvobjprive to 0 +*/ +void rtw_reset_continual_io_error(struct dvobj_priv *dvobj) +{ + atomic_set(&dvobj->continual_io_error, 0); +} |
