/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
 * Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com>
 * Copyright (C) 2012 Broadcom Corporation
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_usb_usbd.h>

#define NUM_MMIO                2
#define NUM_IRQ                 7

static struct resource usbd_resources[NUM_MMIO + NUM_IRQ];

static u64 usbd_dmamask = DMA_BIT_MASK(32);

static struct platform_device bcm63xx_usbd_device = {
        .name           = "bcm63xx_udc",
        .id             = -1,
        .num_resources  = ARRAY_SIZE(usbd_resources),
        .resource       = usbd_resources,
        .dev            = {
                .dma_mask               = &usbd_dmamask,
                .coherent_dma_mask      = DMA_BIT_MASK(32),
        },
};

int __init bcm63xx_usbd_register(const struct bcm63xx_usbd_platform_data *pd)
{
        const int irq_list[NUM_IRQ] = { IRQ_USBD,
                IRQ_USBD_RXDMA0, IRQ_USBD_TXDMA0,
                IRQ_USBD_RXDMA1, IRQ_USBD_TXDMA1,
                IRQ_USBD_RXDMA2, IRQ_USBD_TXDMA2 };
        int i;

        if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368())
                return 0;

        usbd_resources[0].start = bcm63xx_regset_address(RSET_USBD);
        usbd_resources[0].end = usbd_resources[0].start + RSET_USBD_SIZE - 1;
        usbd_resources[0].flags = IORESOURCE_MEM;

        usbd_resources[1].start = bcm63xx_regset_address(RSET_USBDMA);
        usbd_resources[1].end = usbd_resources[1].start + RSET_USBDMA_SIZE - 1;
        usbd_resources[1].flags = IORESOURCE_MEM;

        for (i = 0; i < NUM_IRQ; i++) {
                struct resource *r = &usbd_resources[NUM_MMIO + i];

                r->start = r->end = bcm63xx_get_irq_number(irq_list[i]);
                r->flags = IORESOURCE_IRQ;
        }

        platform_device_add_data(&bcm63xx_usbd_device, pd, sizeof(*pd));

        return platform_device_register(&bcm63xx_usbd_device);
}