131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/* $NetBSD: xhcivar.h,v 1.2 2013/10/28 17:49:33 matt Exp $ */
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/*
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* Copyright (c) 2013 Jonathan A. Kollasch
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_USB_XHCIVAR_H_
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#define _DEV_USB_XHCIVAR_H_
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#include <sys/pool.h>
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struct xhci_xfer {
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struct usbd_xfer xx_xfer;
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struct usb_task xx_abort_task;
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struct xhci_trb xx_trb[20];
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};
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struct xhci_ring {
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usb_dma_t xr_dma;
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kmutex_t xr_lock;
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struct xhci_trb * xr_trb;
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void **xr_cookies;
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u_int xr_ntrb; /* number of elements for above */
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u_int xr_ep; /* enqueue pointer */
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u_int xr_cs; /* cycle state */
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bool is_halted;
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};
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struct xhci_endpoint {
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struct xhci_ring xe_tr; /* transfer ring */
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};
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struct xhci_slot {
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usb_dma_t xs_dc_dma; /* device context page */
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usb_dma_t xs_ic_dma; /* input context page */
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struct xhci_endpoint xs_ep[32]; /* endpoints */
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u_int xs_idx; /* slot index */
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};
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struct xhci_softc {
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device_t sc_dev;
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device_t sc_child;
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void *sc_ih;
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bus_size_t sc_ios;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh; /* Base */
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bus_space_handle_t sc_cbh; /* Capability Base */
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bus_space_handle_t sc_obh; /* Operational Base */
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bus_space_handle_t sc_rbh; /* Runtime Base */
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bus_space_handle_t sc_dbh; /* Doorbell Registers */
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struct usbd_bus sc_bus;
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kmutex_t sc_lock;
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kmutex_t sc_intr_lock;
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kcondvar_t sc_softwake_cv;
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usbd_xfer_handle sc_intrxfer;
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pool_cache_t sc_xferpool;
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bus_size_t sc_pgsz; /* xHCI page size */
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uint32_t sc_ctxsz;
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int sc_maxslots;
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int sc_maxintrs;
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int sc_maxports;
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int sc_maxspbuf;
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/* XXX suboptimal */
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int sc_hs_port_start;
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int sc_hs_port_count;
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int sc_ss_port_start;
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int sc_ss_port_count;
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struct xhci_slot * sc_slots;
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struct xhci_ring sc_cr; /* command ring */
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struct xhci_ring sc_er; /* event ring */
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usb_dma_t sc_eventst_dma;
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usb_dma_t sc_dcbaa_dma;
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usb_dma_t sc_spbufarray_dma;
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usb_dma_t *sc_spbuf_dma;
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//struct usb_dma_reserve sc_dma_reserve;
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kcondvar_t sc_command_cv;
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bus_addr_t sc_command_addr;
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struct xhci_trb sc_result_trb;
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bool sc_ac64;
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bool sc_dying;
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uint8_t sc_addr;
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uint8_t sc_conf;
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};
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usbd_status xhci_init(struct xhci_softc *);
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int xhci_intr(void *);
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int xhci_detach(struct xhci_softc *, int);
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int xhci_activate(device_t, enum devact);
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void xhci_childdet(device_t, device_t);
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bool xhci_suspend(device_t, const pmf_qual_t *);
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bool xhci_resume(device_t, const pmf_qual_t *);
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bool xhci_shutdown(device_t, int);
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#define XHCI_TRANSFER_RING_TRBS 256
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#endif /* _DEV_USB_XHCIVAR_H_ */
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