// 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>

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 error_count = atomic_inc_return(&dvobj->continual_io_error);

        if (error_count > MAX_CONTINUAL_IO_ERR)
                return true;

        return false;
}

/* 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);
}