linux/drivers/net/wireless/ath/ath6kl/hif.c

/*
 * Copyright (c) 2007-2011 Atheros Communications Inc.
 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
 *
 * 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.
 */
#include "hif.h"

#include <linux/export.h>

#include "core.h"
#include "target.h"
#include "hif-ops.h"
#include "debug.h"
#include "trace.h"

#define MAILBOX_FOR_BLOCK_SIZE …

#define ATH6KL_TIME_QUANTUM …

static int ath6kl_hif_cp_scat_dma_buf(struct hif_scatter_req *req,
				      bool from_dma)
{ … }

int ath6kl_hif_rw_comp_handler(void *context, int status)
{ … }
EXPORT_SYMBOL(…);

#define REGISTER_DUMP_COUNT …
#define REGISTER_DUMP_LEN_MAX …

static void ath6kl_hif_dump_fw_crash(struct ath6kl *ar)
{ … }

static int ath6kl_hif_proc_dbg_intr(struct ath6kl_device *dev)
{ … }

/* mailbox recv message polling */
int ath6kl_hif_poll_mboxmsg_rx(struct ath6kl_device *dev, u32 *lk_ahd,
			      int timeout)
{ … }

/*
 * Disable packet reception (used in case the host runs out of buffers)
 * using the interrupt enable registers through the host I/F
 */
int ath6kl_hif_rx_control(struct ath6kl_device *dev, bool enable_rx)
{ … }

int ath6kl_hif_submit_scat_req(struct ath6kl_device *dev,
			      struct hif_scatter_req *scat_req, bool read)
{ … }

static int ath6kl_hif_proc_counter_intr(struct ath6kl_device *dev)
{ … }

static int ath6kl_hif_proc_err_intr(struct ath6kl_device *dev)
{ … }

static int ath6kl_hif_proc_cpu_intr(struct ath6kl_device *dev)
{ … }

/* process pending interrupts synchronously */
static int proc_pending_irqs(struct ath6kl_device *dev, bool *done)
{ … }

/* interrupt handler, kicks off all interrupt processing */
int ath6kl_hif_intr_bh_handler(struct ath6kl *ar)
{ … }
EXPORT_SYMBOL(…);

static int ath6kl_hif_enable_intrs(struct ath6kl_device *dev)
{ … }

int ath6kl_hif_disable_intrs(struct ath6kl_device *dev)
{ … }

/* enable device interrupts */
int ath6kl_hif_unmask_intrs(struct ath6kl_device *dev)
{ … }

/* disable all device interrupts */
int ath6kl_hif_mask_intrs(struct ath6kl_device *dev)
{ … }

int ath6kl_hif_setup(struct ath6kl_device *dev)
{ … }