linux-imx

/*

 * DaVinci Voice Codec Core Interface for TI platforms

 *

 * Copyright (C) 2010 Texas Instruments, Inc

 *

 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

​

#include <linux/init.h>

#include <linux/module.h>

#include <linux/device.h>

#include <linux/slab.h>

#include <linux/delay.h>

#include <linux/io.h>

#include <linux/clk.h>

#include <linux/regmap.h>

​

#include <sound/pcm.h>

​

#include <linux/mfd/davinci_voicecodec.h>

#include <mach/hardware.h>

​

static const struct regmap_config davinci_vc_regmap = {

    .reg_bits = 32,

    .val_bits = 32,

};

​

static int __init davinci_vc_probe(struct platform_device *pdev)

{

    struct davinci_vc *davinci_vc;

    struct resource *res;

    struct mfd_cell *cell = NULL;

    int ret;

​

    davinci_vc = devm_kzalloc(&pdev->dev,

                  sizeof(struct davinci_vc), GFP_KERNEL);

    if (!davinci_vc)

        return -ENOMEM;

​

    davinci_vc->clk = devm_clk_get(&pdev->dev, NULL);

    if (IS_ERR(davinci_vc->clk)) {

        dev_dbg(&pdev->dev,

                "could not get the clock for voice codec\n");

        return -ENODEV;

    }

    clk_enable(davinci_vc->clk);

​

    res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

​