mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
192 lines
6.8 KiB
C
192 lines
6.8 KiB
C
/*
|
|
*
|
|
* Copyright (c) 2007 Atheros Communications Inc.
|
|
* All rights reserved.
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation;
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifndef AR6K_H_
|
|
#define AR6K_H_
|
|
|
|
#define AR6K_MAILBOXES 4
|
|
|
|
/* HTC runs over mailbox 0 */
|
|
#define HTC_MAILBOX 0
|
|
|
|
#define AR6K_TARGET_DEBUG_INTR_MASK 0x01
|
|
|
|
#define OTHER_INTS_ENABLED (INT_STATUS_ENABLE_ERROR_MASK | \
|
|
INT_STATUS_ENABLE_CPU_MASK | \
|
|
INT_STATUS_ENABLE_COUNTER_MASK)
|
|
|
|
//#define MBOXHW_UNIT_TEST 1
|
|
|
|
#include "athstartpack.h"
|
|
typedef PREPACK struct _AR6K_IRQ_PROC_REGISTERS {
|
|
A_UINT8 host_int_status;
|
|
A_UINT8 cpu_int_status;
|
|
A_UINT8 error_int_status;
|
|
A_UINT8 counter_int_status;
|
|
A_UINT8 mbox_frame;
|
|
A_UINT8 rx_lookahead_valid;
|
|
A_UINT8 hole[2];
|
|
A_UINT32 rx_lookahead[2];
|
|
} POSTPACK AR6K_IRQ_PROC_REGISTERS;
|
|
|
|
#define AR6K_IRQ_PROC_REGS_SIZE sizeof(AR6K_IRQ_PROC_REGISTERS)
|
|
|
|
|
|
|
|
typedef PREPACK struct _AR6K_IRQ_ENABLE_REGISTERS {
|
|
A_UINT8 int_status_enable;
|
|
A_UINT8 cpu_int_status_enable;
|
|
A_UINT8 error_status_enable;
|
|
A_UINT8 counter_int_status_enable;
|
|
} POSTPACK AR6K_IRQ_ENABLE_REGISTERS;
|
|
|
|
#include "athendpack.h"
|
|
|
|
#define AR6K_IRQ_ENABLE_REGS_SIZE sizeof(AR6K_IRQ_ENABLE_REGISTERS)
|
|
|
|
#define AR6K_REG_IO_BUFFER_SIZE 32
|
|
#define AR6K_MAX_REG_IO_BUFFERS 8
|
|
|
|
/* buffers for ASYNC I/O */
|
|
typedef struct AR6K_ASYNC_REG_IO_BUFFER {
|
|
HTC_PACKET HtcPacket; /* we use an HTC packet as a wrapper for our async register-based I/O */
|
|
A_UINT8 Buffer[AR6K_REG_IO_BUFFER_SIZE];
|
|
} AR6K_ASYNC_REG_IO_BUFFER;
|
|
|
|
typedef struct _AR6K_DEVICE {
|
|
A_MUTEX_T Lock;
|
|
AR6K_IRQ_PROC_REGISTERS IrqProcRegisters;
|
|
AR6K_IRQ_ENABLE_REGISTERS IrqEnableRegisters;
|
|
void *HIFDevice;
|
|
A_UINT32 BlockSize;
|
|
A_UINT32 BlockMask;
|
|
A_UINT32 MailboxAddress;
|
|
HIF_PENDING_EVENTS_FUNC GetPendingEventsFunc;
|
|
void *HTCContext;
|
|
HTC_PACKET_QUEUE RegisterIOList;
|
|
AR6K_ASYNC_REG_IO_BUFFER RegIOBuffers[AR6K_MAX_REG_IO_BUFFERS];
|
|
void (*TargetFailureCallback)(void *Context);
|
|
A_STATUS (*MessagePendingCallback)(void *Context, A_UINT32 LookAhead, A_BOOL *pAsyncProc);
|
|
HIF_DEVICE_IRQ_PROCESSING_MODE HifIRQProcessingMode;
|
|
HIF_MASK_UNMASK_RECV_EVENT HifMaskUmaskRecvEvent;
|
|
} AR6K_DEVICE;
|
|
|
|
#define IS_DEV_IRQ_PROCESSING_ASYNC_ALLOWED(pDev) ((pDev)->HifIRQProcessingMode != HIF_DEVICE_IRQ_SYNC_ONLY)
|
|
|
|
A_STATUS DevSetup(AR6K_DEVICE *pDev);
|
|
A_STATUS DevUnmaskInterrupts(AR6K_DEVICE *pDev);
|
|
A_STATUS DevMaskInterrupts(AR6K_DEVICE *pDev);
|
|
A_STATUS DevPollMboxMsgRecv(AR6K_DEVICE *pDev,
|
|
A_UINT32 *pLookAhead,
|
|
int TimeoutMS);
|
|
A_STATUS DevRWCompletionHandler(void *context, A_STATUS status);
|
|
A_STATUS DevDsrHandler(void *context);
|
|
A_STATUS DevCheckPendingRecvMsgsAsync(void *context);
|
|
void DevDumpRegisters(AR6K_IRQ_PROC_REGISTERS *pIrqProcRegs,
|
|
AR6K_IRQ_ENABLE_REGISTERS *pIrqEnableRegs);
|
|
|
|
#define DEV_STOP_RECV_ASYNC TRUE
|
|
#define DEV_STOP_RECV_SYNC FALSE
|
|
#define DEV_ENABLE_RECV_ASYNC TRUE
|
|
#define DEV_ENABLE_RECV_SYNC FALSE
|
|
A_STATUS DevStopRecv(AR6K_DEVICE *pDev, A_BOOL ASyncMode);
|
|
A_STATUS DevEnableRecv(AR6K_DEVICE *pDev, A_BOOL ASyncMode);
|
|
|
|
static INLINE A_STATUS DevSendPacket(AR6K_DEVICE *pDev, HTC_PACKET *pPacket, A_UINT32 SendLength) {
|
|
A_UINT32 paddedLength;
|
|
A_BOOL sync = (pPacket->Completion == NULL) ? TRUE : FALSE;
|
|
A_STATUS status;
|
|
|
|
/* adjust the length to be a multiple of block size if appropriate */
|
|
paddedLength = (SendLength + (pDev->BlockMask)) &
|
|
(~(pDev->BlockMask));
|
|
#if 0 // BufferLength may not be set in , fix this...
|
|
if (paddedLength > pPacket->BufferLength) {
|
|
AR_DEBUG_ASSERT(FALSE);
|
|
if (pPacket->Completion != NULL) {
|
|
COMPLETE_HTC_PACKET(pPacket,A_EINVAL);
|
|
}
|
|
return A_EINVAL;
|
|
}
|
|
#endif
|
|
AR_DEBUG_PRINTF(ATH_DEBUG_SEND,
|
|
("DevSendPacket, Padded Length: %d Mbox:0x%X (mode:%s)\n",
|
|
paddedLength,
|
|
pDev->MailboxAddress,
|
|
sync ? "SYNC" : "ASYNC"));
|
|
|
|
status = HIFReadWrite(pDev->HIFDevice,
|
|
pDev->MailboxAddress,
|
|
pPacket->pBuffer,
|
|
paddedLength, /* the padded length */
|
|
sync ? HIF_WR_SYNC_BLOCK_INC : HIF_WR_ASYNC_BLOCK_INC,
|
|
sync ? NULL : pPacket); /* pass the packet as the context to the HIF request */
|
|
|
|
if (sync) {
|
|
pPacket->Status = status;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static INLINE A_STATUS DevRecvPacket(AR6K_DEVICE *pDev, HTC_PACKET *pPacket, A_UINT32 RecvLength) {
|
|
A_UINT32 paddedLength;
|
|
A_STATUS status;
|
|
A_BOOL sync = (pPacket->Completion == NULL) ? TRUE : FALSE;
|
|
|
|
/* adjust the length to be a multiple of block size if appropriate */
|
|
paddedLength = (RecvLength + (pDev->BlockMask)) &
|
|
(~(pDev->BlockMask));
|
|
if (paddedLength > pPacket->BufferLength) {
|
|
AR_DEBUG_ASSERT(FALSE);
|
|
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
|
|
("DevRecvPacket, Not enough space for padlen:%d recvlen:%d bufferlen:%d \n",
|
|
paddedLength,RecvLength,pPacket->BufferLength));
|
|
if (pPacket->Completion != NULL) {
|
|
COMPLETE_HTC_PACKET(pPacket,A_EINVAL);
|
|
}
|
|
return A_EINVAL;
|
|
}
|
|
|
|
AR_DEBUG_PRINTF(ATH_DEBUG_RECV,
|
|
("DevRecvPacket, Padded Length: %d Mbox:0x%X (mode:%s)\n",
|
|
paddedLength,
|
|
pDev->MailboxAddress,
|
|
sync ? "SYNC" : "ASYNC"));
|
|
|
|
status = HIFReadWrite(pDev->HIFDevice,
|
|
pDev->MailboxAddress,
|
|
pPacket->pBuffer,
|
|
paddedLength,
|
|
sync ? HIF_RD_SYNC_BLOCK_INC : HIF_RD_ASYNC_BLOCK_INC,
|
|
sync ? NULL : pPacket); /* pass the packet as the context to the HIF request */
|
|
|
|
if (sync) {
|
|
pPacket->Status = status;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
#ifdef MBOXHW_UNIT_TEST
|
|
A_STATUS DoMboxHWTest(AR6K_DEVICE *pDev);
|
|
#endif
|
|
|
|
#endif /*AR6K_H_*/
|