Atheros AR600x driver + build glue

chromeos/drivers/ath6kl/hif/sdio/linux_sdio/include/hif_internal.h

+//------------------------------------------------------------------------------
+// <copyright file="hif_internal.h" company="Atheros">
+//    Copyright (c) 2004-2007 Atheros Corporation.  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.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// internal header file for hif layer
+//
+// Author(s): ="Atheros"
+//==============================================================================
+#include "a_config.h"
+#include "athdefs.h"
+#include "a_types.h"
+#include "a_osapi.h"
+#include "hif.h"
+#include "../../../common/hif_sdio_common.h"
+
+#define BUS_REQUEST_MAX_NUM                64
+
+#define SDIO_CLOCK_FREQUENCY_DEFAULT       25000000
+#define SDWLAN_ENABLE_DISABLE_TIMEOUT      20
+#define FLAGS_CARD_ENAB                    0x02
+#define FLAGS_CARD_IRQ_UNMSK               0x04
+
+#define HIF_MBOX_BLOCK_SIZE                HIF_DEFAULT_IO_BLOCK_SIZE
+#define HIF_MBOX0_BLOCK_SIZE               1
+#define HIF_MBOX1_BLOCK_SIZE               HIF_MBOX_BLOCK_SIZE
+#define HIF_MBOX2_BLOCK_SIZE               HIF_MBOX_BLOCK_SIZE
+#define HIF_MBOX3_BLOCK_SIZE               HIF_MBOX_BLOCK_SIZE
+
+typedef struct bus_request {
+    struct bus_request *next;       /* link list of available requests */
+    struct bus_request *inusenext;  /* link list of in use requests */
+    struct semaphore sem_req;
+    A_UINT32 address;               /* request data */
+    A_UCHAR *buffer;
+    A_UINT32 length;
+    A_UINT32 request;
+    void *context;
+    A_STATUS status;
+} BUS_REQUEST;
+
+struct hif_device {
+    struct sdio_func *func;
+    spinlock_t asynclock;
+    struct task_struct* async_task;             /* task to handle async commands */
+    struct semaphore sem_async;                 /* wake up for async task */
+    int    async_shutdown;                      /* stop the async task */
+    struct completion async_completion;          /* thread completion */
+    BUS_REQUEST   *asyncreq;                    /* request for async tasklet */
+    BUS_REQUEST *taskreq;                       /*  async tasklet data */
+    spinlock_t lock;
+    BUS_REQUEST *s_busRequestFreeQueue;         /* free list */
+    BUS_REQUEST busRequest[BUS_REQUEST_MAX_NUM]; /* available bus requests */
+    void     *claimedContext;
+    HTC_CALLBACKS htcCallbacks;
+    A_UINT8     *dma_buffer;
+};
+
+#define HIF_DMA_BUFFER_SIZE (32 * 1024)
+#define CMD53_FIXED_ADDRESS 1
+#define CMD53_INCR_ADDRESS  2