linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Driver for the NXP ISP1761 device controller

 *

 * Copyright 2014 Ideas on Board Oy

 *

 * Contacts:

 *  Laurent Pinchart <laurent.pinchart@ideasonboard.com>

 */

​

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/kernel.h>

#include <linux/list.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/timer.h>

#include <linux/usb.h>

​

#include "isp1760-core.h"

#include "isp1760-regs.h"

#include "isp1760-udc.h"

​

#define ISP1760_VBUS_POLL_INTERVAL  msecs_to_jiffies(500)

​

struct isp1760_request {

    struct usb_request req;

    struct list_head queue;

    struct isp1760_ep *ep;

    unsigned int packet_size;

};

​

static inline struct isp1760_udc *gadget_to_udc(struct usb_gadget *gadget)

{

    return container_of(gadget, struct isp1760_udc, gadget);

}

​

static inline struct isp1760_ep *ep_to_udc_ep(struct usb_ep *ep)

{

    return container_of(ep, struct isp1760_ep, ep);

}

​

static inline struct isp1760_request *req_to_udc_req(struct usb_request *req)

{

    return container_of(req, struct isp1760_request, req);

}

​

static inline u32 isp1760_udc_read(struct isp1760_udc *udc, u16 reg)

{

    return isp1760_read32(udc->regs, reg);

}

​

static inline void isp1760_udc_write(struct isp1760_udc *udc, u16 reg, u32 val)

{

    isp1760_write32(udc->regs, reg, val);

}

​

/* -----------------------------------------------------------------------------

 * Endpoint Management

 */

​

static struct isp1760_ep *isp1760_udc_find_ep(struct isp1760_udc *udc,

                          u16 index)