diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_io.c')
-rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_io.c | 159 |
1 files changed, 159 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 000000000..4d3c30ec9 --- /dev/null +++ b/drivers/staging/rtl8723bs/core/rtw_io.c @@ -0,0 +1,159 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +/* + +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 + +*/ + +#include <drv_types.h> +#include <rtw_debug.h> + +u8 rtw_read8(struct adapter *adapter, u32 addr) +{ + /* 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; + + return _read8(pintfhdl, addr); +} + +u16 rtw_read16(struct adapter *adapter, u32 addr) +{ + /* 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; + + return _read16(pintfhdl, addr); +} + +u32 rtw_read32(struct adapter *adapter, u32 addr) +{ + /* 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; + + return _read32(pintfhdl, addr); + +} + +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); +} + +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); + + _write_port = pintfhdl->io_ops._write_port; + + return _write_port(pintfhdl, addr, cnt, pmem); +} + +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) + 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) + ret = true; + + 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); +} |