diff options
Diffstat (limited to 'drivers/staging/ath6kl/hif/sdio/linux_sdio/include/hif_internal.h')
| -rw-r--r-- | drivers/staging/ath6kl/hif/sdio/linux_sdio/include/hif_internal.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/staging/ath6kl/hif/sdio/linux_sdio/include/hif_internal.h b/drivers/staging/ath6kl/hif/sdio/linux_sdio/include/hif_internal.h new file mode 100644 index 0000000..857f35f --- /dev/null +++ b/drivers/staging/ath6kl/hif/sdio/linux_sdio/include/hif_internal.h @@ -0,0 +1,134 @@ +//------------------------------------------------------------------------------ +// <copyright file="hif_internal.h" company="Atheros"> +// Copyright (c) 2004-2010 Atheros Corporation. All rights reserved. +// +// +// Permission to use, copy, modify, and/or distribute this software for any +// purpose with or without fee is hereby granted, provided that the above +// copyright notice and this permission notice appear in all copies. +// +// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +// +// +//------------------------------------------------------------------------------ +//============================================================================== +// internal header file for hif layer +// +// Author(s): ="Atheros" +//============================================================================== +#ifndef _HIF_INTERNAL_H_ +#define _HIF_INTERNAL_H_ + +#include "a_config.h" +#include "athdefs.h" +#include "a_types.h" +#include "a_osapi.h" +#include "hif.h" +#include "../../../common/hif_sdio_common.h" +#include <linux/scatterlist.h> +#define HIF_LINUX_MMC_SCATTER_SUPPORT + +#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 + +struct _HIF_SCATTER_REQ_PRIV; + +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; + struct _HIF_SCATTER_REQ_PRIV *pScatterReq; /* this request is a scatter request */ +} 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; + DL_LIST ScatterReqHead; /* scatter request list head */ + A_BOOL scatter_enabled; /* scatter enabled flag */ + A_BOOL is_suspend; + A_BOOL is_disabled; + atomic_t irqHandling; + HIF_DEVICE_POWER_CHANGE_TYPE powerConfig; + const struct sdio_device_id *id; +}; + +#define HIF_DMA_BUFFER_SIZE (32 * 1024) +#define CMD53_FIXED_ADDRESS 1 +#define CMD53_INCR_ADDRESS 2 + +BUS_REQUEST *hifAllocateBusRequest(HIF_DEVICE *device); +void hifFreeBusRequest(HIF_DEVICE *device, BUS_REQUEST *busrequest); +void AddToAsyncList(HIF_DEVICE *device, BUS_REQUEST *busrequest); + +#ifdef HIF_LINUX_MMC_SCATTER_SUPPORT + +#define MAX_SCATTER_REQUESTS 4 +#define MAX_SCATTER_ENTRIES_PER_REQ 16 +#define MAX_SCATTER_REQ_TRANSFER_SIZE 32*1024 + +typedef struct _HIF_SCATTER_REQ_PRIV { + HIF_SCATTER_REQ *pHifScatterReq; /* HIF scatter request with allocated entries */ + HIF_DEVICE *device; /* this device */ + BUS_REQUEST *busrequest; /* request associated with request */ + /* scatter list for linux */ + struct scatterlist sgentries[MAX_SCATTER_ENTRIES_PER_REQ]; +} HIF_SCATTER_REQ_PRIV; + +#define ATH_DEBUG_SCATTER ATH_DEBUG_MAKE_MODULE_MASK(0) + +A_STATUS SetupHIFScatterSupport(HIF_DEVICE *device, HIF_DEVICE_SCATTER_SUPPORT_INFO *pInfo); +void CleanupHIFScatterResources(HIF_DEVICE *device); +A_STATUS DoHifReadWriteScatter(HIF_DEVICE *device, BUS_REQUEST *busrequest); + +#else // HIF_LINUX_MMC_SCATTER_SUPPORT + +static inline A_STATUS SetupHIFScatterSupport(HIF_DEVICE *device, HIF_DEVICE_SCATTER_SUPPORT_INFO *pInfo) +{ + return A_ENOTSUP; +} + +static inline A_STATUS DoHifReadWriteScatter(HIF_DEVICE *device, BUS_REQUEST *busrequest) +{ + return A_ENOTSUP; +} + +#define CleanupHIFScatterResources(d) { } + +#endif // HIF_LINUX_MMC_SCATTER_SUPPORT + +#endif // _HIF_INTERNAL_H_ + |
