linux-imx

/**

 * Marvell BT-over-SDIO driver: SDIO interface related functions.

 *

 * Copyright (C) 2009, Marvell International Ltd.

 *

 * This software file (the "File") is distributed by Marvell International

 * Ltd. under the terms of the GNU General Public License Version 2, June 1991

 * (the "License").  You may use, redistribute and/or modify this File in

 * accordance with the terms and conditions of the License, a copy of which

 * is available by writing to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the

 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.

 *

 *

 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE

 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about

 * this warranty disclaimer.

 **/

​

#include <linux/firmware.h>

#include <linux/slab.h>

#include <linux/suspend.h>

​

#include <linux/mmc/sdio_ids.h>

#include <linux/mmc/sdio_func.h>

#include <linux/module.h>

#include <linux/devcoredump.h>

​

#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>

​

#include "btmrvl_drv.h"

#include "btmrvl_sdio.h"

​

#define VERSION "1.0"

​

static struct memory_type_mapping mem_type_mapping_tbl[] = {

    {"ITCM", NULL, 0, 0xF0},

    {"DTCM", NULL, 0, 0xF1},

    {"SQRAM", NULL, 0, 0xF2},

    {"APU", NULL, 0, 0xF3},

    {"CIU", NULL, 0, 0xF4},

    {"ICU", NULL, 0, 0xF5},

    {"MAC", NULL, 0, 0xF6},

    {"EXT7", NULL, 0, 0xF7},

    {"EXT8", NULL, 0, 0xF8},

    {"EXT9", NULL, 0, 0xF9},

    {"EXT10", NULL, 0, 0xFA},

    {"EXT11", NULL, 0, 0xFB},

    {"EXT12", NULL, 0, 0xFC},

    {"EXT13", NULL, 0, 0xFD},

    {"EXTLAST", NULL, 0, 0xFE},

};

​

static const struct of_device_id btmrvl_sdio_of_match_table[] = {

    { .compatible = "marvell,sd8897-bt" },

    { .compatible = "marvell,sd8997-bt" },

    { }

};

​

static irqreturn_t btmrvl_wake_irq_bt(int irq, void *priv)

{

    struct btmrvl_sdio_card *card = priv;

    struct device *dev = &card->func->dev;

    struct btmrvl_plt_wake_cfg *cfg = card->plt_wake_cfg;

​

    dev_info(dev, "wake by bt\n");

    cfg->wake_by_bt = true;

    disable_irq_nosync(irq);

​

    pm_wakeup_event(dev, 0);

    pm_system_wakeup();

​

    return IRQ_HANDLED;

}

​

/* This function parses device tree node using mmc subnode devicetree API.

 * The device node is saved in card->plt_of_node.

 * If the device tree node exists and includes interrupts attributes, this

 * function will request platform specific wakeup interrupt.

 */

static int btmrvl_sdio_probe_of(struct device *dev,

                struct btmrvl_sdio_card *card)

{

    struct btmrvl_plt_wake_cfg *cfg;

    int ret;

​

    if (!dev->of_node ||

        !of_match_node(btmrvl_sdio_of_match_table, dev->of_node)) {

        dev_info(dev, "sdio device tree data not available\n");

        return -1;