| 1 | /*
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| 2 | * Copyright (c) 2017 Ondrej Hlavaty
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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 |
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| 29 | /** @addtogroup drvusbxhci
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * @brief The host controller data bookkeeping.
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| 34 | */
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| 35 |
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| 36 | #ifndef XHCI_HC_H
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| 37 | #define XHCI_HC_H
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| 38 |
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| 39 | #include <usb/host/usb_transfer_batch.h>
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| 40 | #include "hw_struct/regs.h"
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| 41 | #include "hw_struct/context.h"
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| 42 | #include "scratchpad.h"
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| 43 | #include "trb_ring.h"
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| 44 | #include "rh.h"
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| 45 | #include "bus.h"
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| 46 |
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| 47 | typedef struct xhci_virt_device_ctx {
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| 48 | xhci_device_ctx_t *dev_ctx;
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| 49 | xhci_trb_ring_t *trs[XHCI_EP_COUNT];
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| 50 | } xhci_virt_device_ctx_t;
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| 51 |
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| 52 | typedef struct xhci_hc {
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| 53 | /* MMIO range */
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| 54 | addr_range_t mmio_range;
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| 55 | void *base;
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| 56 |
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| 57 | /* Mapped register sets */
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| 58 | xhci_cap_regs_t *cap_regs;
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| 59 | xhci_op_regs_t *op_regs;
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| 60 | xhci_rt_regs_t *rt_regs;
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| 61 | xhci_doorbell_t *db_arry;
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| 62 | xhci_extcap_t *xecp; /**< First extended capability */
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| 63 | xhci_legsup_t *legsup; /**< Legacy support capability */
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| 64 |
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| 65 | /* Structures in allocated memory */
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| 66 | xhci_trb_ring_t command_ring;
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| 67 | xhci_event_ring_t event_ring;
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| 68 | uint64_t *dcbaa;
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| 69 | xhci_virt_device_ctx_t *dcbaa_virt;
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| 70 | xhci_scratchpad_t *scratchpad;
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| 71 |
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| 72 | /* Root hub emulation */
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| 73 | xhci_rh_t rh;
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| 74 |
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| 75 | /* Bus bookkeeping */
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| 76 | xhci_bus_t bus;
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| 77 |
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| 78 | /* Cached capabilities */
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| 79 | unsigned max_slots;
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| 80 | bool ac64;
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| 81 |
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| 82 | /* Command list */
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| 83 | list_t commands;
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| 84 | list_t transfers;
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| 85 | } xhci_hc_t;
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| 86 |
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| 87 | int hc_init_mmio(xhci_hc_t *, const hw_res_list_parsed_t *);
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| 88 | int hc_init_memory(xhci_hc_t *);
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| 89 | int hc_claim(xhci_hc_t *, ddf_dev_t *);
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| 90 | int hc_irq_code_gen(irq_code_t *, xhci_hc_t *, const hw_res_list_parsed_t *);
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| 91 | int hc_start(xhci_hc_t *, bool);
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| 92 | int hc_schedule(xhci_hc_t *hc, usb_transfer_batch_t *batch);
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| 93 | int hc_status(xhci_hc_t *, uint32_t *);
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| 94 | void hc_interrupt(xhci_hc_t *, uint32_t);
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| 95 | void hc_fini(xhci_hc_t *);
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| 96 | int hc_ring_doorbell(xhci_hc_t *, unsigned, unsigned);
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| 97 |
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| 98 | #endif
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| 99 |
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| 100 | /**
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| 101 | * @}
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| 102 | */
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