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polyfractal 2016-12-30 18:23:32 -05:00
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component/os/os_dep/include/mailbox.h Normal file
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/******************************************************************************
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#ifndef __MAILBOX_H_
#define __MAILBOX_H_
#include "hal_api.h"
#include "osdep_api.h"
#include "hal_util.h"
#ifdef CONFIG_FREERTOS
#include "queue.h"
#endif
#define MBOX_WAIT_NO_TIMEOUT 0xffffffff // waiting for send/receive message with no timeout
#define MBOX_WAIT_NONE 0 // No wait for send/receive message
typedef enum _MAILBOX_ID_ {
MBOX_ID_WLAN = 0,
MBOX_ID_UART = 1,
MBOX_ID_I2C = 2,
MBOX_ID_I2S = 3,
MBOX_ID_SPI = 4,
MBOX_ID_SDIO = 5,
MBOX_ID_SDIO_MP = 6,
MBOX_ID_MAX = 0xff
} MAILBOX_ID;
#if defined(CONFIG_SDIO_DEVICE_EN) && defined(CONFIG_SDIO_DEVICE_NORMAL)
typedef enum _MSG_TYPE_SDIO {
MSG_SDIO_RX_PKT=1, // request to send a SDIO RX packet to the host side
MSG_SDIO_C2H=2, // request to send a C2H message
MSG_SDIO_RPWM=3, // request to set the RPWM
MSG_SDIO_MP_LOOP_TXPKT=4, // request to loopback this TX packet
MSG_SDIO_MAX=0xff
} MSG_TYPE_SDIO;
#endif // end of "#ifdef CONFIG_SDIO_DEVICE_EN"
/* the data structure of a MailBox to deliver message blocks */
typedef struct _RTL_MAILBOX_ {
void *mbox_hdl; // the mailbox handle which return from OS create queue API
_Sema *pWakeSema; // the semaphore to wakeup the message receiving task
_LIST mbox_list; // the link list to chain all created mailbox
u8 mbox_id; /* the ID of this Mailbox, this ID is
used to locate the MBox for send/get message */
} RTL_MAILBOX, *PRTL_MAILBOX;
/* the data structure of a message block */
typedef struct _RTL_MSG_BLK {
u8 MsgType; // the message type
u8 Reserved; // reserved
u16 DateLen; // the vaild data length of the pBuf
u32 Para; // the optional parameters associated with this message type
u8 *pBuf; // point to a data buffer associated with this message type
} MSG_BLK, *PMSG_BLK;
/* the data structure for system level message block management */
typedef struct _RTL_MBOX_ROOT_ {
_LIST mbox_list; // the link list of all created mailbox
_Mutex Mutex; // the Mutex to protect the mailbox create/delete procedure
u8 isInitialed; // is this Mailbox link-list initialed
} RTL_MBOX_ROOT, *PRTL_MBOX_ROOT;
// Export Funcction API
extern PRTL_MAILBOX RtlMailboxCreate(
IN u8 MboxID,
IN u32 MboxSize,
IN _Sema *pWakeSema
);
extern VOID RtlMailboxDel(
IN PRTL_MAILBOX MboxHdl
);
extern u8 RtlMailboxSendToBack(
IN u8 MboxID,
IN MSG_BLK *pMsg,
IN u32 MSToWait,
IN u8 IsFromISR
);
extern u8 RtlMailboxSendToFront(
IN u8 MboxID,
IN MSG_BLK *pMsg,
IN u32 MSToWait,
IN u8 IsFromISR
);
extern u8 RtlMailboxReceive(
IN u8 MboxID,
OUT MSG_BLK *pMsg,
IN u32 MSToWait,
IN u8 IsFromISR
);
extern u8 RtlMailboxPeek(
IN u8 MboxID,
OUT MSG_BLK *pMsg,
IN u32 MSToWait,
IN u8 IsFromISR
);
extern u32 RtlMailboxMsgWaiting(
IN u8 MboxID,
IN u8 IsFromISR
);
#endif // #ifndef __MAILBOX_H_