source: mainline/uspace/drv/bus/usb/ehci/hc.h@ 6297465

/*
 * Copyright (c) 2011 Jan Vesely
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/** @addtogroup drvusbehci
 * @{
 */
/** @file
 * @brief EHCI host controller driver structure
 */
#ifndef DRV_EHCI_HC_H
#define DRV_EHCI_HC_H

#include <adt/list.h>
#include <ddi.h>
#include <ddf/driver.h>
#include <device/hw_res_parsed.h>
#include <fibril.h>
#include <fibril_synch.h>
#include <stdbool.h>
#include <sys/types.h>

#include <usb/host/hcd.h>
#include <usb/host/endpoint.h>
#include <usb/host/usb_transfer_batch.h>

#include "ehci_regs.h"
#include "ehci_rh.h"
//#include "endpoint_list.h"

/** Main EHCI driver structure */
typedef struct hc {
        /** Memory mapped CAPS register area */
        ehci_caps_regs_t *caps;
        /** Memory mapped I/O registers area */
        ehci_regs_t *registers;

        /** Transfer schedules */
//      endpoint_list_t lists[4];
        /** List of active transfers */
        list_t pending_batches;

        /** Fibril for periodic checks if interrupts can't be used */
        fid_t interrupt_emulator;

        /** Guards schedule and endpoint manipulation */
        fibril_mutex_t guard;

        /** USB hub emulation structure */
        ehci_rh_t rh;
} hc_t;

int hc_gen_irq_code(irq_code_t *code, addr_range_t *regs);
int hc_register_hub(hc_t *instance, ddf_fun_t *hub_fun);
int hc_init(hc_t *instance, addr_range_t *regs, bool interrupts);

/** Safely dispose host controller internal structures
 *
 * @param[in] instance Host controller structure to use.
 */
static inline void hc_fini(hc_t *instance) { /* TODO: implement*/ };

void hc_enqueue_endpoint(hc_t *instance, const endpoint_t *ep);
void hc_dequeue_endpoint(hc_t *instance, const endpoint_t *ep);
int hc_schedule(hcd_t *hcd, usb_transfer_batch_t *batch);

void hc_interrupt(hc_t *instance, uint32_t status);
#endif
/**
 * @}
 */