sdio.c | Explore in Territory

/*
 * Copyright (c) 2004-2011 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 <linux/module.h>
#include <linux/mmc/card.h>
#include <linux/mmc/mmc.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio.h>
#include <linux/mmc/sd.h>
#include "hif.h"
#include "hif-ops.h"
#include "target.h"
#include "debug.h"
#include "cfg80211.h"
#include "trace.h"

struct ath6kl_sdio { … };

#define CMD53_ARG_READ …
#define CMD53_ARG_WRITE …
#define CMD53_ARG_BLOCK_BASIS …
#define CMD53_ARG_FIXED_ADDRESS …
#define CMD53_ARG_INCR_ADDRESS …

static int ath6kl_sdio_config(struct ath6kl *ar);

static inline struct ath6kl_sdio *ath6kl_sdio_priv(struct ath6kl *ar)
{ … }

/*
 * Macro to check if DMA buffer is WORD-aligned and DMA-able.
 * Most host controllers assume the buffer is DMA'able and will
 * bug-check otherwise (i.e. buffers on the stack). virt_addr_valid
 * check fails on stack memory.
 */
static inline bool buf_needs_bounce(u8 *buf)
{ … }

static void ath6kl_sdio_set_mbox_info(struct ath6kl *ar)
{ … }

static inline void ath6kl_sdio_set_cmd53_arg(u32 *arg, u8 rw, u8 func,
					     u8 mode, u8 opcode, u32 addr,
					     u16 blksz)
{ … }

static inline void ath6kl_sdio_set_cmd52_arg(u32 *arg, u8 write, u8 raw,
					     unsigned int address,
					     unsigned char val)
{ … }

static int ath6kl_sdio_func0_cmd52_wr_byte(struct mmc_card *card,
					   unsigned int address,
					   unsigned char byte)
{ … }

static int ath6kl_sdio_io(struct sdio_func *func, u32 request, u32 addr,
			  u8 *buf, u32 len)
{ … }

static struct bus_request *ath6kl_sdio_alloc_busreq(struct ath6kl_sdio *ar_sdio)
{ … }

static void ath6kl_sdio_free_bus_req(struct ath6kl_sdio *ar_sdio,
				     struct bus_request *bus_req)
{ … }

static void ath6kl_sdio_setup_scat_data(struct hif_scatter_req *scat_req,
					struct mmc_data *data)
{ … }

static int ath6kl_sdio_scat_rw(struct ath6kl_sdio *ar_sdio,
			       struct bus_request *req)
{ … }

static int ath6kl_sdio_alloc_prep_scat_req(struct ath6kl_sdio *ar_sdio,
					   int n_scat_entry, int n_scat_req,
					   bool virt_scat)
{ … }

static int ath6kl_sdio_read_write_sync(struct ath6kl *ar, u32 addr, u8 *buf,
				       u32 len, u32 request)
{ … }

static void __ath6kl_sdio_write_async(struct ath6kl_sdio *ar_sdio,
				      struct bus_request *req)
{ … }

static void ath6kl_sdio_write_async_work(struct work_struct *work)
{ … }

static void ath6kl_sdio_irq_handler(struct sdio_func *func)
{ … }

static int ath6kl_sdio_power_on(struct ath6kl *ar)
{ … }

static int ath6kl_sdio_power_off(struct ath6kl *ar)
{ … }

static int ath6kl_sdio_write_async(struct ath6kl *ar, u32 address, u8 *buffer,
				   u32 length, u32 request,
				   struct htc_packet *packet)
{ … }

static void ath6kl_sdio_irq_enable(struct ath6kl *ar)
{ … }

static bool ath6kl_sdio_is_on_irq(struct ath6kl *ar)
{ … }

static void ath6kl_sdio_irq_disable(struct ath6kl *ar)
{ … }

static struct hif_scatter_req *ath6kl_sdio_scatter_req_get(struct ath6kl *ar)
{ … }

static void ath6kl_sdio_scatter_req_add(struct ath6kl *ar,
					struct hif_scatter_req *s_req)
{ … }

/* scatter gather read write request */
static int ath6kl_sdio_async_rw_scatter(struct ath6kl *ar,
					struct hif_scatter_req *scat_req)
{ … }

/* clean up scatter support */
static void ath6kl_sdio_cleanup_scatter(struct ath6kl *ar)
{ … }

/* setup of HIF scatter resources */
static int ath6kl_sdio_enable_scatter(struct ath6kl *ar)
{ … }

static int ath6kl_sdio_config(struct ath6kl *ar)
{ … }

static int ath6kl_set_sdio_pm_caps(struct ath6kl *ar)
{ … }

static int ath6kl_sdio_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
{ … }

static int ath6kl_sdio_resume(struct ath6kl *ar)
{ … }

/* set the window address register (using 4-byte register access ). */
static int ath6kl_set_addrwin_reg(struct ath6kl *ar, u32 reg_addr, u32 addr)
{ … }

static int ath6kl_sdio_diag_read32(struct ath6kl *ar, u32 address, u32 *data)
{ … }

static int ath6kl_sdio_diag_write32(struct ath6kl *ar, u32 address,
				    __le32 data)
{ … }

static int ath6kl_sdio_bmi_credits(struct ath6kl *ar)
{ … }

static int ath6kl_bmi_get_rx_lkahd(struct ath6kl *ar)
{ … }

static int ath6kl_sdio_bmi_write(struct ath6kl *ar, u8 *buf, u32 len)
{ … }

static int ath6kl_sdio_bmi_read(struct ath6kl *ar, u8 *buf, u32 len)
{ … }

static void ath6kl_sdio_stop(struct ath6kl *ar)
{ … }

static const struct ath6kl_hif_ops ath6kl_sdio_ops = …;

#ifdef CONFIG_PM_SLEEP

/*
 * Empty handlers so that mmc subsystem doesn't remove us entirely during
 * suspend. We instead follow cfg80211 suspend/resume handlers.
 */
static int ath6kl_sdio_pm_suspend(struct device *device)
{ … }

static int ath6kl_sdio_pm_resume(struct device *device)
{ … }

static SIMPLE_DEV_PM_OPS(ath6kl_sdio_pm_ops, ath6kl_sdio_pm_suspend,
			 ath6kl_sdio_pm_resume);

#define ATH6KL_SDIO_PM_OPS …

#else

#define ATH6KL_SDIO_PM_OPS …

#endif /* CONFIG_PM_SLEEP */

static int ath6kl_sdio_probe(struct sdio_func *func,
			     const struct sdio_device_id *id)
{ … }

static void ath6kl_sdio_remove(struct sdio_func *func)
{ … }

static const struct sdio_device_id ath6kl_sdio_devices[] = …;

MODULE_DEVICE_TABLE(sdio, ath6kl_sdio_devices);

static struct sdio_driver ath6kl_sdio_driver = …;
module_sdio_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;

MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…);
MODULE_FIRMWARE(…);
linux/drivers/net/wireless/ath/ath6kl/sdio.c
