| 1 | /*
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| 2 | * Copyright (c) 2011 Jan Vesely
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| 3 | * Copyright (c) 2017 Ondrej Hlavaty <aearsis@eideo.cz>
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 | /** @addtogroup drvusbohci
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * @brief OHCI driver
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| 34 | */
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| 35 | #ifndef DRV_OHCI_HCD_BUS_H
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| 36 | #define DRV_OHCI_HCD_BUS_H
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| 37 |
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| 38 | #include <assert.h>
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| 39 | #include <adt/list.h>
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| 40 | #include <usb/host/usb2_bus.h>
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| 41 |
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| 42 | #include "hw_struct/endpoint_descriptor.h"
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| 43 | #include "hw_struct/transfer_descriptor.h"
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| 44 |
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| 45 | /** Connector structure linking ED to to prepared TD. */
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| 46 | typedef struct ohci_endpoint {
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| 47 | endpoint_t base;
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| 48 |
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| 49 | /** OHCI endpoint descriptor */
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| 50 | ed_t *ed;
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| 51 | /** Currently enqueued transfer descriptor */
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| 52 | td_t *td;
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| 53 | /** Link in endpoint_list*/
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| 54 | link_t eplist_link;
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| 55 | /** Link in pending_endpoints */
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| 56 | link_t pending_link;
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| 57 | } ohci_endpoint_t;
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| 58 |
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| 59 | typedef struct hc hc_t;
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| 60 |
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| 61 | typedef struct {
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| 62 | bus_t base;
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| 63 | usb2_bus_helper_t helper;
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| 64 | hc_t *hc;
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| 65 | } ohci_bus_t;
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| 66 |
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| 67 | int ohci_bus_init(ohci_bus_t *, hc_t *);
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| 68 | void ohci_ep_toggle_reset(endpoint_t *);
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| 69 |
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| 70 | /** Get and convert assigned ohci_endpoint_t structure
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| 71 | * @param[in] ep USBD endpoint structure.
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| 72 | * @return Pointer to assigned hcd endpoint structure
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| 73 | */
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| 74 | static inline ohci_endpoint_t * ohci_endpoint_get(const endpoint_t *ep)
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| 75 | {
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| 76 | assert(ep);
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| 77 | return (ohci_endpoint_t *) ep;
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| 78 | }
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| 79 |
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| 80 | #endif
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| 81 | /**
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| 82 | * @}
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| 83 | */
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