| 1 | /*
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| 2 | * Copyright (c) 2011 Jan Vesely
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 | /** @addtogroup drvusbehci
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| 29 | * @{
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| 30 | */
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| 31 | /** @file
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| 32 | * @brief EHCI host controller driver structure
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| 33 | */
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| 34 | #ifndef DRV_EHCI_HC_H
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| 35 | #define DRV_EHCI_HC_H
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| 36 |
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| 37 | #include <adt/list.h>
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| 38 | #include <ddi.h>
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| 39 | #include <ddf/driver.h>
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| 40 | #include <device/hw_res_parsed.h>
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| 41 | #include <fibril.h>
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| 42 | #include <fibril_synch.h>
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| 43 | #include <stdbool.h>
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| 44 | #include <stdint.h>
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| 45 |
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| 46 | #include <usb/host/hcd.h>
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| 47 | #include <usb/host/endpoint.h>
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| 48 | #include <usb/host/usb_transfer_batch.h>
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| 49 |
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| 50 | #include "ehci_regs.h"
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| 51 | #include "ehci_rh.h"
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| 52 | #include "hw_struct/link_pointer.h"
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| 53 | #include "endpoint_list.h"
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| 54 |
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| 55 | /** Main EHCI driver structure */
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| 56 | typedef struct hc {
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| 57 | /* Common device header */
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| 58 | hc_device_t base;
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| 59 |
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| 60 | /** Memory mapped CAPS register area */
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| 61 | ehci_caps_regs_t *caps;
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| 62 | /** Memory mapped I/O registers area */
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| 63 | ehci_regs_t *registers;
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| 64 |
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| 65 | /** Iso transfer list */
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| 66 | link_pointer_t *periodic_list_base;
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| 67 |
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| 68 | /** CONTROL and BULK schedules */
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| 69 | endpoint_list_t async_list;
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| 70 |
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| 71 | /** INT schedule */
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| 72 | endpoint_list_t int_list;
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| 73 |
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| 74 | /** List of active transfers */
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| 75 | list_t pending_batches;
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| 76 |
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| 77 | /** Guards schedule and endpoint manipulation */
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| 78 | fibril_mutex_t guard;
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| 79 |
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| 80 | /** Wait for hc to restart async chedule */
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| 81 | fibril_condvar_t async_doorbell;
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| 82 |
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| 83 | /** USB hub emulation structure */
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| 84 | ehci_rh_t rh;
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| 85 |
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| 86 | /** USB bookkeeping */
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| 87 | ehci_bus_t bus;
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| 88 | } hc_t;
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| 89 |
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| 90 | static inline hc_t *hcd_to_hc(hc_device_t *hcd)
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| 91 | {
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| 92 | assert(hcd);
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| 93 | return (hc_t *) hcd;
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| 94 | }
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| 95 |
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| 96 | void hc_enqueue_endpoint(hc_t *, const endpoint_t *);
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| 97 | void hc_dequeue_endpoint(hc_t *, const endpoint_t *);
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| 98 |
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| 99 | /* Boottime operations */
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| 100 | int hc_add(hc_device_t *, const hw_res_list_parsed_t *);
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| 101 | int hc_start(hc_device_t *);
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| 102 | int hc_gen_irq_code(irq_code_t *, hc_device_t *, const hw_res_list_parsed_t *);
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| 103 | int hc_gone(hc_device_t *);
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| 104 |
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| 105 | /** Runtime operations */
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| 106 | void ehci_hc_interrupt(bus_t *, uint32_t);
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| 107 | int ehci_hc_status(bus_t *, uint32_t *);
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| 108 | int ehci_hc_schedule(usb_transfer_batch_t *);
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| 109 |
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| 110 | #endif
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| 111 | /**
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| 112 | * @}
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| 113 | */
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