/****************************************************************************
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 *****************************************************************************
 *
 * The GPL License (GPL)
 *
 * Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
 *
 * 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;
 *
 *****************************************************************************
 *
 * Note: This software is released under dual MIT and GPL licenses. A
 * recipient may use this file under the terms of either the MIT license or
 * GPL License. If you wish to use only one license not the other, you can
 * indicate your decision by deleting one of the above license notices in your
 * version of this file.
 *
 *****************************************************************************/

#include <linux/platform_device.h>


static void soc_gpio_i2c_release(struct device *dev)
{
	pr_info("enter %s\n", __func__);
	return;
}


static struct resource soc_gpio_i2c0_resource[] = {
	[0] = {
		.start = 0x00,
		.end   = 0x00,
		.flags = IORESOURCE_MEM,
	},
};

static struct platform_device soc_gpio_i2c0_pdev = {
	.name = "soc_gpio_i2c",
	.id   = -1,
	.resource = soc_gpio_i2c0_resource,
	.num_resources = 1,
	.dev.release = soc_gpio_i2c_release,
};

static struct resource soc_gpio_i2c1_resource[] = {
	[0] = {
		.start = 0x00,
		.end   = 0x00,
		.flags = IORESOURCE_MEM,
	},
};

static struct platform_device soc_gpio_i2c1_pdev = {
	.name = "soc_gpio_i2c",
	.id   = -1,
	.resource = soc_gpio_i2c1_resource,
	.num_resources = 1,
	.dev.release = soc_gpio_i2c_release,
};

int soc_gpio_i2c_register_bus(unsigned int index,unsigned int bus,unsigned long base_addr, unsigned int size,
								void * virt_base)
{
	int ret = 0;
	struct platform_device * i2c_pdev;
	pr_info("enter %s\n", __func__);

	switch(index)
	{
		case 0:
			i2c_pdev = &soc_gpio_i2c0_pdev;
			break;
		case 1:
			i2c_pdev = &soc_gpio_i2c1_pdev;
			break;
		default :
			return -1;
	}

	i2c_pdev->id = bus;
	i2c_pdev->resource[0].start = base_addr;
	i2c_pdev->resource[0].end   = base_addr + size - 1;
	i2c_pdev->resource[0].name  = virt_base;

	ret = platform_device_register(i2c_pdev);

	pr_info("exit %s\n", __func__);
	return ret;
}

void soc_gpio_i2c_unregister_bus(unsigned int index)
{
	struct platform_device * i2c_pdev;

	switch(index)
	{
		case 0:
			i2c_pdev = &soc_gpio_i2c0_pdev;
			break;
		case 1:
			i2c_pdev = &soc_gpio_i2c1_pdev;
			break;
		default :
			return;
	}

	platform_device_unregister(i2c_pdev);

	return ;
}

