Add 2.6.31 patches

SVN-Revision: 17665

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_*/