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authorLars-Peter Clausen <lars@metafoo.de>2009-09-21 18:29:46 +0000
committerLars-Peter Clausen <lars@metafoo.de>2009-09-21 18:29:46 +0000
commitf2c1e05f37e6cc0e5365830fd6b2ca59ebc95d76 (patch)
tree61edbcea5750d66334e3aa7b8d6041a885e37cf6 /target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/ar6k.h
parent59e3af45d1ef2d93cc4cf9c6ac215bd2c3b7aa62 (diff)
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Add 2.6.31 patches
SVN-Revision: 17665
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/ar6k.h')
-rw-r--r--target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/ar6k.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/ar6k.h b/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/ar6k.h
new file mode 100644
index 0000000000..301ab34a37
--- /dev/null
+++ b/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/ar6k.h
@@ -0,0 +1,191 @@
+/*
+ *
+ * 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_*/