LXR linux/drivers/staging/rtl8723bs/core/rtw

   1// SPDX-License-Identifier: GPL-2.0
   2/******************************************************************************
   3 *
   4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5 *
   6 ******************************************************************************/
   7/*
   8
   9The purpose of rtw_io.c
  10
  11a. provides the API
  12
  13b. provides the protocol engine
  14
  15c. provides the software interface between caller and the hardware interface
  16
  17
  18Compiler Flag Option:
  19
  201. CONFIG_SDIO_HCI:
  21    a. USE_SYNC_IRP:  Only sync operations are provided.
  22    b. USE_ASYNC_IRP:Both sync/async operations are provided.
  23
  24jackson@realtek.com.tw
  25
  26*/
  27
  28#include <drv_types.h>
  29#include <rtw_debug.h>
  30
  31u8 rtw_read8(struct adapter *adapter, u32 addr)
  32{
  33        /* struct       io_queue        *pio_queue = (struct io_queue *)adapter->pio_queue; */
  34        struct io_priv *pio_priv = &adapter->iopriv;
  35        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
  36        u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
  37
  38        _read8 = pintfhdl->io_ops._read8;
  39
  40        return _read8(pintfhdl, addr);
  41}
  42
  43u16 rtw_read16(struct adapter *adapter, u32 addr)
  44{
  45        /* struct       io_queue        *pio_queue = (struct io_queue *)adapter->pio_queue; */
  46        struct io_priv *pio_priv = &adapter->iopriv;
  47        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
  48        u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
  49
  50        _read16 = pintfhdl->io_ops._read16;
  51
  52        return _read16(pintfhdl, addr);
  53}
  54
  55u32 rtw_read32(struct adapter *adapter, u32 addr)
  56{
  57        /* struct       io_queue        *pio_queue = (struct io_queue *)adapter->pio_queue; */
  58        struct io_priv *pio_priv = &adapter->iopriv;
  59        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
  60        u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
  61
  62        _read32 = pintfhdl->io_ops._read32;
  63
  64        return _read32(pintfhdl, addr);
  65
  66}
  67
  68int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
  69{
  70        /* struct       io_queue        *pio_queue = (struct io_queue *)adapter->pio_queue; */
  71        struct io_priv *pio_priv = &adapter->iopriv;
  72        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
  73        int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
  74        int ret;
  75
  76        _write8 = pintfhdl->io_ops._write8;
  77
  78        ret = _write8(pintfhdl, addr, val);
  79
  80        return RTW_STATUS_CODE(ret);
  81}
  82int rtw_write16(struct adapter *adapter, u32 addr, u16 val)
  83{
  84        /* struct       io_queue        *pio_queue = (struct io_queue *)adapter->pio_queue; */
  85        struct io_priv *pio_priv = &adapter->iopriv;
  86        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
  87        int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
  88        int ret;
  89
  90        _write16 = pintfhdl->io_ops._write16;
  91
  92        ret = _write16(pintfhdl, addr, val);
  93        return RTW_STATUS_CODE(ret);
  94}
  95int rtw_write32(struct adapter *adapter, u32 addr, u32 val)
  96{
  97        /* struct       io_queue        *pio_queue = (struct io_queue *)adapter->pio_queue; */
  98        struct io_priv *pio_priv = &adapter->iopriv;
  99        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
 100        int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
 101        int ret;
 102
 103        _write32 = pintfhdl->io_ops._write32;
 104
 105        ret = _write32(pintfhdl, addr, val);
 106
 107        return RTW_STATUS_CODE(ret);
 108}
 109
 110u32 rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
 111{
 112        u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
 113        struct io_priv *pio_priv = &adapter->iopriv;
 114        struct  intf_hdl                *pintfhdl = &(pio_priv->intf);
 115
 116        _write_port = pintfhdl->io_ops._write_port;
 117
 118        return _write_port(pintfhdl, addr, cnt, pmem);
 119}
 120
 121int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct adapter *padapter, struct _io_ops *pops))
 122{
 123        struct io_priv *piopriv = &padapter->iopriv;
 124        struct intf_hdl *pintf = &piopriv->intf;
 125
 126        if (!set_intf_ops)
 127                return _FAIL;
 128
 129        piopriv->padapter = padapter;
 130        pintf->padapter = padapter;
 131        pintf->pintf_dev = adapter_to_dvobj(padapter);
 132
 133        set_intf_ops(padapter, &pintf->io_ops);
 134
 135        return _SUCCESS;
 136}
 137
 138/*
 139* Increase and check if the continual_io_error of this @param dvobjprive is larger than MAX_CONTINUAL_IO_ERR
 140* @return true:
 141* @return false:
 142*/
 143int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj)
 144{
 145        int ret = false;
 146        int value = atomic_inc_return(&dvobj->continual_io_error);
 147        if (value > MAX_CONTINUAL_IO_ERR)
 148                ret = true;
 149
 150        return ret;
 151}
 152
 153/*
 154* Set the continual_io_error of this @param dvobjprive to 0
 155*/
 156void rtw_reset_continual_io_error(struct dvobj_priv *dvobj)
 157{
 158        atomic_set(&dvobj->continual_io_error, 0);
 159}
 160