/*
* public_host_int.h
*
* Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
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* * Redistributions in binary form must reproduce the above copyright
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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*/
/**********************************************************************************************************************
FILENAME: public_host_int.h
DESCRIPTION: Contains the host interface fw interrupt structure in use.
***********************************************************************************************************************/
#ifndef PUBLIC_HOST_INT_H
#define PUBLIC_HOST_INT_H
#include "public_types.h"
/*************************************************************************
Host Interrupt Register (WiLink -> Host)
**************************************************************************/
#define ACX_INTR_WATCHDOG BIT_0 /* HW Initiated interrupt Watchdog timer expiration */
#define ACX_INTR_INIT_COMPLETE BIT_1 /* Init sequence is done (masked interrupt, detection through polling only ) */
#define ACX_INTR_EVENT_A BIT_2 /* Event was entered to Event MBOX #A*/
#define ACX_INTR_EVENT_B BIT_3 /* Event was entered to Event MBOX #B*/
#define ACX_INTR_CMD_COMPLETE BIT_4 /* Command processing completion*/
#define ACX_INTR_HW_AVAILABLE BIT_5 /* Signaling the host on HW wakeup */
#define ACX_INTR_DATA BIT_6 /* The MISC bit is used for aggregation of RX, TxComplete and TX rate update */
#define ACX_INTR_TRACE_A BIT_7 /* Trace meassge on MBOX #A */
#define ACX_INTR_TRACE_B BIT_8 /* Trace meassge on MBOX #B */
#define ACX_INTR_ALL 0xFFFFFFFF
/*************************************************************************
Interrupt Trigger Register (Host -> WiLink)
**************************************************************************/
/******** Hardware to Embedded CPU Interrupts - first 32-bit register set ********/
#define INTR_TRIG_CMD BIT_0 /* Host Command Interrupt. Setting this bit masks*/
/* the interrupt that the host issues to inform*/
/* the FW that it has sent a command*/
/* to the Wlan hardware Command Mailbox.*/
#define INTR_TRIG_EVENT_ACK BIT_1 /* Host Event Acknowlegde Interrupt. The host */
/* sets this bit to acknowledge that it received*/
/* the unsolicited information from the event*/
/* mailbox.*/
#define INTR_TRIG_TX_PROC0 BIT_2 /* OBSOLETE (automatic end-of-transaction interrupt is used instead) */
#define INTR_TRIG_RX_PROC BIT_3 /* The host sets this bit to inform the FW that */
/* it read a packet from the RX cyclic buffer */
#define INTR_TRIG_DEBUG_ACK BIT_4
#define INTR_TRIG_STATE_CHANGED BIT_5
/******** Hardware to Embedded CPU Interrupts - second 32-bit register set ********/
#define INTR_TRIG_RX_PROC1 BIT_17 /* OBSOLETE */
#define INTR_TRIG_TX_PROC1 BIT_18 /* OBSOLETE */
/*************************************************************************
FW status registers (Host reads from FW upon interrupt from FW)
**************************************************************************/
#define NUM_TX_QUEUES 4 /* Number of Tx HW Queues (same as ACs). */
#define NUM_RX_PKT_DESC 8 /* Number of Rx packets short descriptors in the W status */
/* Get field from FwStatus_t->rxPktsDesc[i] */
#define RX_DESC_GET_MEM_BLK(desc) ( (desc & 0x000000FF) >> 0 ) /* The first mem-block of the Rx packet */
#define RX_DESC_GET_LENGTH(desc) ( (desc & 0x000FFF00) >> 8 ) /* The length of the packet in words */
#define RX_DESC_GET_UNALIGNED(desc) ( (desc & 0x00100000) >> 20 ) /* If set, the payload is not 4 bytes aligned */
#define RX_DESC_GET_PACKET_CLASS_TAG(desc) ( (desc & 0xFF000000) >> 24 ) /* Get the RX packet class tag */
/* Set field in FwStatus_t->rxPktsDesc[i] */
#define RX_DESC_SET_MEM_BLK(desc, value) ( desc = (desc & ~0x000000FF) | (value << 0 ) )
#define RX_DESC_SET_LENGTH(desc, value) ( desc = (desc & ~0x000FFF00) | (value << 8 ) )
#define RX_DESC_SET_UNALIGNED(desc, value) ( desc = (desc & ~0x00100000) | (value << 20 ) )
/* The content of the "counters" field in FwStatus_t - see below */
typedef struct
{
uint8 fwRxCntr; /* Incremented by FW upon adding pending Rx entry to aRxPktsDesc */
uint8 drvRxCntr; /* Incremented by FW upon RX host slave interrupt (for debug) */
uint8 reserved;
uint8 txResultsCntr; /* Incremented by FW upon adding Tx-Result to the TxResultQueue */
} FwStatCntrs_t;
/* The FW status registers structure read by the host upon interrupt from the FW */
typedef struct
{
uint32 intrStatus; /* HINT register content (will be cleared upon the read) */
uint32 counters; /* The counters defined in FwStatCntrs_t - see above */
uint32 rxPktsDesc[NUM_RX_PKT_DESC]; /* Array of Rx packets short descriptors (see RX_DESC_SET/GET...) */
uint32 txReleasedBlks[NUM_TX_QUEUES]; /* Per queue released blocks count since FW-reset */
uint32 fwLocalTime; /* FW time in usec, used for clock synchronization with the host */
uint32 spare[2]; /* Total structure size is 68 bytes */
} FwStatus_t;
#endif