5e184962dd
This brand of controllers expects that the number of contexts specified in the input slot context points to an active endpoint context, else it refuses to operate. - Ring the correct doorbell when streams mode is used. - Wrap one or two long lines. Tested by: Markus Pfeiffer (DragonFlyBSD) MFC after: 1 week
4073 lines
93 KiB
C
4073 lines
93 KiB
C
/*-
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* Copyright (c) 2010 Hans Petter Selasky. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* USB eXtensible Host Controller Interface, a.k.a. USB 3.0 controller.
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*
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* The XHCI 1.0 spec can be found at
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* http://www.intel.com/technology/usb/download/xHCI_Specification_for_USB.pdf
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* and the USB 3.0 spec at
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* http://www.usb.org/developers/docs/usb_30_spec_060910.zip
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*/
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/*
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* A few words about the design implementation: This driver emulates
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* the concept about TDs which is found in EHCI specification. This
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* way we avoid too much diveration among USB drivers.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#define USB_DEBUG_VAR xhcidebug
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_transfer.h>
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#include <dev/usb/usb_device.h>
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#include <dev/usb/usb_hub.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/controller/xhci.h>
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#include <dev/usb/controller/xhcireg.h>
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#define XHCI_BUS2SC(bus) \
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((struct xhci_softc *)(((uint8_t *)(bus)) - \
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((uint8_t *)&(((struct xhci_softc *)0)->sc_bus))))
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#ifdef USB_DEBUG
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static int xhcidebug;
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static int xhciroute;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, xhci, CTLFLAG_RW, 0, "USB XHCI");
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SYSCTL_INT(_hw_usb_xhci, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN,
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&xhcidebug, 0, "Debug level");
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TUNABLE_INT("hw.usb.xhci.debug", &xhcidebug);
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SYSCTL_INT(_hw_usb_xhci, OID_AUTO, xhci_port_route, CTLFLAG_RW | CTLFLAG_TUN,
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&xhciroute, 0, "Routing bitmap for switching EHCI ports to XHCI controller");
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TUNABLE_INT("hw.usb.xhci.xhci_port_route", &xhciroute);
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#endif
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#define XHCI_INTR_ENDPT 1
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struct xhci_std_temp {
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struct xhci_softc *sc;
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struct usb_page_cache *pc;
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struct xhci_td *td;
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struct xhci_td *td_next;
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uint32_t len;
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uint32_t offset;
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uint32_t max_packet_size;
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uint32_t average;
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uint16_t isoc_delta;
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uint16_t isoc_frame;
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uint8_t shortpkt;
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uint8_t multishort;
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uint8_t last_frame;
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uint8_t trb_type;
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uint8_t direction;
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uint8_t tbc;
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uint8_t tlbpc;
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uint8_t step_td;
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uint8_t do_isoc_sync;
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};
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static void xhci_do_poll(struct usb_bus *);
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static void xhci_device_done(struct usb_xfer *, usb_error_t);
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static void xhci_root_intr(struct xhci_softc *);
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static void xhci_free_device_ext(struct usb_device *);
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static struct xhci_endpoint_ext *xhci_get_endpoint_ext(struct usb_device *,
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struct usb_endpoint_descriptor *);
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static usb_proc_callback_t xhci_configure_msg;
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static usb_error_t xhci_configure_device(struct usb_device *);
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static usb_error_t xhci_configure_endpoint(struct usb_device *,
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struct usb_endpoint_descriptor *, uint64_t, uint16_t,
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uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
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static usb_error_t xhci_configure_mask(struct usb_device *,
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uint32_t, uint8_t);
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static usb_error_t xhci_cmd_evaluate_ctx(struct xhci_softc *,
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uint64_t, uint8_t);
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static void xhci_endpoint_doorbell(struct usb_xfer *);
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static void xhci_ctx_set_le32(struct xhci_softc *sc, volatile uint32_t *ptr, uint32_t val);
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static uint32_t xhci_ctx_get_le32(struct xhci_softc *sc, volatile uint32_t *ptr);
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static void xhci_ctx_set_le64(struct xhci_softc *sc, volatile uint64_t *ptr, uint64_t val);
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#ifdef USB_DEBUG
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static uint64_t xhci_ctx_get_le64(struct xhci_softc *sc, volatile uint64_t *ptr);
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#endif
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extern struct usb_bus_methods xhci_bus_methods;
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#ifdef USB_DEBUG
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static void
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xhci_dump_trb(struct xhci_trb *trb)
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{
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DPRINTFN(5, "trb = %p\n", trb);
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DPRINTFN(5, "qwTrb0 = 0x%016llx\n", (long long)le64toh(trb->qwTrb0));
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DPRINTFN(5, "dwTrb2 = 0x%08x\n", le32toh(trb->dwTrb2));
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DPRINTFN(5, "dwTrb3 = 0x%08x\n", le32toh(trb->dwTrb3));
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}
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static void
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xhci_dump_endpoint(struct xhci_softc *sc, struct xhci_endp_ctx *pep)
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{
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DPRINTFN(5, "pep = %p\n", pep);
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DPRINTFN(5, "dwEpCtx0=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx0));
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DPRINTFN(5, "dwEpCtx1=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx1));
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DPRINTFN(5, "qwEpCtx2=0x%016llx\n", (long long)xhci_ctx_get_le64(sc, &pep->qwEpCtx2));
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DPRINTFN(5, "dwEpCtx4=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx4));
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DPRINTFN(5, "dwEpCtx5=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx5));
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DPRINTFN(5, "dwEpCtx6=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx6));
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DPRINTFN(5, "dwEpCtx7=0x%08x\n", xhci_ctx_get_le32(sc, &pep->dwEpCtx7));
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}
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static void
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xhci_dump_device(struct xhci_softc *sc, struct xhci_slot_ctx *psl)
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{
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DPRINTFN(5, "psl = %p\n", psl);
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DPRINTFN(5, "dwSctx0=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx0));
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DPRINTFN(5, "dwSctx1=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx1));
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DPRINTFN(5, "dwSctx2=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx2));
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DPRINTFN(5, "dwSctx3=0x%08x\n", xhci_ctx_get_le32(sc, &psl->dwSctx3));
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}
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#endif
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uint32_t
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xhci_get_port_route(void)
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{
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#ifdef USB_DEBUG
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return (0xFFFFFFFFU ^ ((uint32_t)xhciroute));
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#else
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return (0xFFFFFFFFU);
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#endif
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}
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static void
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xhci_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb)
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{
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struct xhci_softc *sc = XHCI_BUS2SC(bus);
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uint8_t i;
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cb(bus, &sc->sc_hw.root_pc, &sc->sc_hw.root_pg,
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sizeof(struct xhci_hw_root), XHCI_PAGE_SIZE);
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cb(bus, &sc->sc_hw.ctx_pc, &sc->sc_hw.ctx_pg,
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sizeof(struct xhci_dev_ctx_addr), XHCI_PAGE_SIZE);
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for (i = 0; i != XHCI_MAX_SCRATCHPADS; i++) {
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cb(bus, &sc->sc_hw.scratch_pc[i], &sc->sc_hw.scratch_pg[i],
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XHCI_PAGE_SIZE, XHCI_PAGE_SIZE);
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}
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}
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static void
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xhci_ctx_set_le32(struct xhci_softc *sc, volatile uint32_t *ptr, uint32_t val)
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{
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if (sc->sc_ctx_is_64_byte) {
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uint32_t offset;
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/* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */
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/* all contexts are initially 32-bytes */
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offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U));
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ptr = (volatile uint32_t *)(((volatile uint8_t *)ptr) + offset);
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}
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*ptr = htole32(val);
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}
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static uint32_t
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xhci_ctx_get_le32(struct xhci_softc *sc, volatile uint32_t *ptr)
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{
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if (sc->sc_ctx_is_64_byte) {
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uint32_t offset;
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/* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */
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/* all contexts are initially 32-bytes */
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offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U));
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ptr = (volatile uint32_t *)(((volatile uint8_t *)ptr) + offset);
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}
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return (le32toh(*ptr));
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}
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static void
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xhci_ctx_set_le64(struct xhci_softc *sc, volatile uint64_t *ptr, uint64_t val)
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{
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if (sc->sc_ctx_is_64_byte) {
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uint32_t offset;
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/* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */
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/* all contexts are initially 32-bytes */
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offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U));
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ptr = (volatile uint64_t *)(((volatile uint8_t *)ptr) + offset);
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}
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*ptr = htole64(val);
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}
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#ifdef USB_DEBUG
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static uint64_t
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xhci_ctx_get_le64(struct xhci_softc *sc, volatile uint64_t *ptr)
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{
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if (sc->sc_ctx_is_64_byte) {
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uint32_t offset;
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/* exploit the fact that our structures are XHCI_PAGE_SIZE aligned */
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/* all contexts are initially 32-bytes */
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offset = ((uintptr_t)ptr) & ((XHCI_PAGE_SIZE - 1) & ~(31U));
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ptr = (volatile uint64_t *)(((volatile uint8_t *)ptr) + offset);
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}
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return (le64toh(*ptr));
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}
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#endif
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usb_error_t
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xhci_start_controller(struct xhci_softc *sc)
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{
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struct usb_page_search buf_res;
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struct xhci_hw_root *phwr;
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struct xhci_dev_ctx_addr *pdctxa;
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uint64_t addr;
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uint32_t temp;
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uint16_t i;
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DPRINTF("\n");
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sc->sc_capa_off = 0;
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sc->sc_oper_off = XREAD1(sc, capa, XHCI_CAPLENGTH);
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sc->sc_runt_off = XREAD4(sc, capa, XHCI_RTSOFF) & ~0x1F;
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sc->sc_door_off = XREAD4(sc, capa, XHCI_DBOFF) & ~0x3;
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DPRINTF("CAPLENGTH=0x%x\n", sc->sc_oper_off);
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DPRINTF("RUNTIMEOFFSET=0x%x\n", sc->sc_runt_off);
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DPRINTF("DOOROFFSET=0x%x\n", sc->sc_door_off);
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sc->sc_event_ccs = 1;
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sc->sc_event_idx = 0;
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sc->sc_command_ccs = 1;
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sc->sc_command_idx = 0;
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DPRINTF("xHCI version = 0x%04x\n", XREAD2(sc, capa, XHCI_HCIVERSION));
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temp = XREAD4(sc, capa, XHCI_HCSPARAMS0);
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DPRINTF("HCS0 = 0x%08x\n", temp);
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if (XHCI_HCS0_CSZ(temp)) {
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sc->sc_ctx_is_64_byte = 1;
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device_printf(sc->sc_bus.parent, "64 byte context size.\n");
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} else {
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sc->sc_ctx_is_64_byte = 0;
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device_printf(sc->sc_bus.parent, "32 byte context size.\n");
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}
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/* Reset controller */
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XWRITE4(sc, oper, XHCI_USBCMD, XHCI_CMD_HCRST);
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for (i = 0; i != 100; i++) {
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usb_pause_mtx(NULL, hz / 100);
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temp = XREAD4(sc, oper, XHCI_USBCMD) &
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(XHCI_CMD_HCRST | XHCI_STS_CNR);
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if (!temp)
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break;
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}
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if (temp) {
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device_printf(sc->sc_bus.parent, "Controller "
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"reset timeout.\n");
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return (USB_ERR_IOERROR);
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}
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if (!(XREAD4(sc, oper, XHCI_PAGESIZE) & XHCI_PAGESIZE_4K)) {
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device_printf(sc->sc_bus.parent, "Controller does "
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"not support 4K page size.\n");
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return (USB_ERR_IOERROR);
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}
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temp = XREAD4(sc, capa, XHCI_HCSPARAMS1);
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i = XHCI_HCS1_N_PORTS(temp);
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if (i == 0) {
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device_printf(sc->sc_bus.parent, "Invalid number "
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"of ports: %u\n", i);
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return (USB_ERR_IOERROR);
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}
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sc->sc_noport = i;
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sc->sc_noslot = XHCI_HCS1_DEVSLOT_MAX(temp);
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if (sc->sc_noslot > XHCI_MAX_DEVICES)
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sc->sc_noslot = XHCI_MAX_DEVICES;
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/* setup number of device slots */
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DPRINTF("CONFIG=0x%08x -> 0x%08x\n",
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XREAD4(sc, oper, XHCI_CONFIG), sc->sc_noslot);
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XWRITE4(sc, oper, XHCI_CONFIG, sc->sc_noslot);
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DPRINTF("Max slots: %u\n", sc->sc_noslot);
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temp = XREAD4(sc, capa, XHCI_HCSPARAMS2);
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sc->sc_noscratch = XHCI_HCS2_SPB_MAX(temp);
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if (sc->sc_noscratch > XHCI_MAX_SCRATCHPADS) {
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device_printf(sc->sc_bus.parent, "XHCI request "
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"too many scratchpads\n");
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return (USB_ERR_NOMEM);
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}
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DPRINTF("Max scratch: %u\n", sc->sc_noscratch);
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temp = XREAD4(sc, capa, XHCI_HCSPARAMS3);
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sc->sc_exit_lat_max = XHCI_HCS3_U1_DEL(temp) +
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XHCI_HCS3_U2_DEL(temp) + 250 /* us */;
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temp = XREAD4(sc, oper, XHCI_USBSTS);
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/* clear interrupts */
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XWRITE4(sc, oper, XHCI_USBSTS, temp);
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/* disable all device notifications */
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XWRITE4(sc, oper, XHCI_DNCTRL, 0);
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/* setup device context base address */
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usbd_get_page(&sc->sc_hw.ctx_pc, 0, &buf_res);
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pdctxa = buf_res.buffer;
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memset(pdctxa, 0, sizeof(*pdctxa));
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addr = buf_res.physaddr;
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addr += (uintptr_t)&((struct xhci_dev_ctx_addr *)0)->qwSpBufPtr[0];
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/* slot 0 points to the table of scratchpad pointers */
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pdctxa->qwBaaDevCtxAddr[0] = htole64(addr);
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for (i = 0; i != sc->sc_noscratch; i++) {
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struct usb_page_search buf_scp;
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usbd_get_page(&sc->sc_hw.scratch_pc[i], 0, &buf_scp);
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pdctxa->qwSpBufPtr[i] = htole64((uint64_t)buf_scp.physaddr);
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}
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addr = buf_res.physaddr;
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XWRITE4(sc, oper, XHCI_DCBAAP_LO, (uint32_t)addr);
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XWRITE4(sc, oper, XHCI_DCBAAP_HI, (uint32_t)(addr >> 32));
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XWRITE4(sc, oper, XHCI_DCBAAP_LO, (uint32_t)addr);
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XWRITE4(sc, oper, XHCI_DCBAAP_HI, (uint32_t)(addr >> 32));
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/* Setup event table size */
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temp = XREAD4(sc, capa, XHCI_HCSPARAMS2);
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DPRINTF("HCS2=0x%08x\n", temp);
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temp = XHCI_HCS2_ERST_MAX(temp);
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temp = 1U << temp;
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if (temp > XHCI_MAX_RSEG)
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temp = XHCI_MAX_RSEG;
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sc->sc_erst_max = temp;
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|
|
DPRINTF("ERSTSZ=0x%08x -> 0x%08x\n",
|
|
XREAD4(sc, runt, XHCI_ERSTSZ(0)), temp);
|
|
|
|
XWRITE4(sc, runt, XHCI_ERSTSZ(0), XHCI_ERSTS_SET(temp));
|
|
|
|
/* Setup interrupt rate */
|
|
XWRITE4(sc, runt, XHCI_IMOD(0), XHCI_IMOD_DEFAULT);
|
|
|
|
usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res);
|
|
|
|
phwr = buf_res.buffer;
|
|
addr = buf_res.physaddr;
|
|
addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_events[0];
|
|
|
|
/* reset hardware root structure */
|
|
memset(phwr, 0, sizeof(*phwr));
|
|
|
|
phwr->hwr_ring_seg[0].qwEvrsTablePtr = htole64(addr);
|
|
phwr->hwr_ring_seg[0].dwEvrsTableSize = htole32(XHCI_MAX_EVENTS);
|
|
|
|
DPRINTF("ERDP(0)=0x%016llx\n", (unsigned long long)addr);
|
|
|
|
XWRITE4(sc, runt, XHCI_ERDP_LO(0), (uint32_t)addr);
|
|
XWRITE4(sc, runt, XHCI_ERDP_HI(0), (uint32_t)(addr >> 32));
|
|
|
|
addr = (uint64_t)buf_res.physaddr;
|
|
|
|
DPRINTF("ERSTBA(0)=0x%016llx\n", (unsigned long long)addr);
|
|
|
|
XWRITE4(sc, runt, XHCI_ERSTBA_LO(0), (uint32_t)addr);
|
|
XWRITE4(sc, runt, XHCI_ERSTBA_HI(0), (uint32_t)(addr >> 32));
|
|
|
|
/* Setup interrupter registers */
|
|
|
|
temp = XREAD4(sc, runt, XHCI_IMAN(0));
|
|
temp |= XHCI_IMAN_INTR_ENA;
|
|
XWRITE4(sc, runt, XHCI_IMAN(0), temp);
|
|
|
|
/* setup command ring control base address */
|
|
addr = buf_res.physaddr;
|
|
addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_commands[0];
|
|
|
|
DPRINTF("CRCR=0x%016llx\n", (unsigned long long)addr);
|
|
|
|
XWRITE4(sc, oper, XHCI_CRCR_LO, ((uint32_t)addr) | XHCI_CRCR_LO_RCS);
|
|
XWRITE4(sc, oper, XHCI_CRCR_HI, (uint32_t)(addr >> 32));
|
|
|
|
phwr->hwr_commands[XHCI_MAX_COMMANDS - 1].qwTrb0 = htole64(addr);
|
|
|
|
usb_bus_mem_flush_all(&sc->sc_bus, &xhci_iterate_hw_softc);
|
|
|
|
/* Go! */
|
|
XWRITE4(sc, oper, XHCI_USBCMD, XHCI_CMD_RS |
|
|
XHCI_CMD_INTE | XHCI_CMD_HSEE);
|
|
|
|
for (i = 0; i != 100; i++) {
|
|
usb_pause_mtx(NULL, hz / 100);
|
|
temp = XREAD4(sc, oper, XHCI_USBSTS) & XHCI_STS_HCH;
|
|
if (!temp)
|
|
break;
|
|
}
|
|
if (temp) {
|
|
XWRITE4(sc, oper, XHCI_USBCMD, 0);
|
|
device_printf(sc->sc_bus.parent, "Run timeout.\n");
|
|
return (USB_ERR_IOERROR);
|
|
}
|
|
|
|
/* catch any lost interrupts */
|
|
xhci_do_poll(&sc->sc_bus);
|
|
|
|
return (0);
|
|
}
|
|
|
|
usb_error_t
|
|
xhci_halt_controller(struct xhci_softc *sc)
|
|
{
|
|
uint32_t temp;
|
|
uint16_t i;
|
|
|
|
DPRINTF("\n");
|
|
|
|
sc->sc_capa_off = 0;
|
|
sc->sc_oper_off = XREAD1(sc, capa, XHCI_CAPLENGTH);
|
|
sc->sc_runt_off = XREAD4(sc, capa, XHCI_RTSOFF) & ~0xF;
|
|
sc->sc_door_off = XREAD4(sc, capa, XHCI_DBOFF) & ~0x3;
|
|
|
|
/* Halt controller */
|
|
XWRITE4(sc, oper, XHCI_USBCMD, 0);
|
|
|
|
for (i = 0; i != 100; i++) {
|
|
usb_pause_mtx(NULL, hz / 100);
|
|
temp = XREAD4(sc, oper, XHCI_USBSTS) & XHCI_STS_HCH;
|
|
if (temp)
|
|
break;
|
|
}
|
|
|
|
if (!temp) {
|
|
device_printf(sc->sc_bus.parent, "Controller halt timeout.\n");
|
|
return (USB_ERR_IOERROR);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
usb_error_t
|
|
xhci_init(struct xhci_softc *sc, device_t self)
|
|
{
|
|
/* initialise some bus fields */
|
|
sc->sc_bus.parent = self;
|
|
|
|
/* set the bus revision */
|
|
sc->sc_bus.usbrev = USB_REV_3_0;
|
|
|
|
/* set up the bus struct */
|
|
sc->sc_bus.methods = &xhci_bus_methods;
|
|
|
|
/* setup devices array */
|
|
sc->sc_bus.devices = sc->sc_devices;
|
|
sc->sc_bus.devices_max = XHCI_MAX_DEVICES;
|
|
|
|
/* setup command queue mutex and condition varible */
|
|
cv_init(&sc->sc_cmd_cv, "CMDQ");
|
|
sx_init(&sc->sc_cmd_sx, "CMDQ lock");
|
|
|
|
/* get all DMA memory */
|
|
if (usb_bus_mem_alloc_all(&sc->sc_bus,
|
|
USB_GET_DMA_TAG(self), &xhci_iterate_hw_softc)) {
|
|
return (ENOMEM);
|
|
}
|
|
|
|
sc->sc_config_msg[0].hdr.pm_callback = &xhci_configure_msg;
|
|
sc->sc_config_msg[0].bus = &sc->sc_bus;
|
|
sc->sc_config_msg[1].hdr.pm_callback = &xhci_configure_msg;
|
|
sc->sc_config_msg[1].bus = &sc->sc_bus;
|
|
|
|
if (usb_proc_create(&sc->sc_config_proc,
|
|
&sc->sc_bus.bus_mtx, device_get_nameunit(self), USB_PRI_MED)) {
|
|
printf("WARNING: Creation of XHCI configure "
|
|
"callback process failed.\n");
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
xhci_uninit(struct xhci_softc *sc)
|
|
{
|
|
usb_proc_free(&sc->sc_config_proc);
|
|
|
|
usb_bus_mem_free_all(&sc->sc_bus, &xhci_iterate_hw_softc);
|
|
|
|
cv_destroy(&sc->sc_cmd_cv);
|
|
sx_destroy(&sc->sc_cmd_sx);
|
|
}
|
|
|
|
static void
|
|
xhci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(bus);
|
|
|
|
switch (state) {
|
|
case USB_HW_POWER_SUSPEND:
|
|
DPRINTF("Stopping the XHCI\n");
|
|
xhci_halt_controller(sc);
|
|
break;
|
|
case USB_HW_POWER_SHUTDOWN:
|
|
DPRINTF("Stopping the XHCI\n");
|
|
xhci_halt_controller(sc);
|
|
break;
|
|
case USB_HW_POWER_RESUME:
|
|
DPRINTF("Starting the XHCI\n");
|
|
xhci_start_controller(sc);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_generic_done_sub(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_td *td;
|
|
struct xhci_td *td_alt_next;
|
|
uint32_t len;
|
|
uint8_t status;
|
|
|
|
td = xfer->td_transfer_cache;
|
|
td_alt_next = td->alt_next;
|
|
|
|
if (xfer->aframes != xfer->nframes)
|
|
usbd_xfer_set_frame_len(xfer, xfer->aframes, 0);
|
|
|
|
while (1) {
|
|
|
|
usb_pc_cpu_invalidate(td->page_cache);
|
|
|
|
status = td->status;
|
|
len = td->remainder;
|
|
|
|
DPRINTFN(4, "xfer=%p[%u/%u] rem=%u/%u status=%u\n",
|
|
xfer, (unsigned int)xfer->aframes,
|
|
(unsigned int)xfer->nframes,
|
|
(unsigned int)len, (unsigned int)td->len,
|
|
(unsigned int)status);
|
|
|
|
/*
|
|
* Verify the status length and
|
|
* add the length to "frlengths[]":
|
|
*/
|
|
if (len > td->len) {
|
|
/* should not happen */
|
|
DPRINTF("Invalid status length, "
|
|
"0x%04x/0x%04x bytes\n", len, td->len);
|
|
status = XHCI_TRB_ERROR_LENGTH;
|
|
} else if (xfer->aframes != xfer->nframes) {
|
|
xfer->frlengths[xfer->aframes] += td->len - len;
|
|
}
|
|
/* Check for last transfer */
|
|
if (((void *)td) == xfer->td_transfer_last) {
|
|
td = NULL;
|
|
break;
|
|
}
|
|
/* Check for transfer error */
|
|
if (status != XHCI_TRB_ERROR_SHORT_PKT &&
|
|
status != XHCI_TRB_ERROR_SUCCESS) {
|
|
/* the transfer is finished */
|
|
td = NULL;
|
|
break;
|
|
}
|
|
/* Check for short transfer */
|
|
if (len > 0) {
|
|
if (xfer->flags_int.short_frames_ok ||
|
|
xfer->flags_int.isochronous_xfr ||
|
|
xfer->flags_int.control_xfr) {
|
|
/* follow alt next */
|
|
td = td->alt_next;
|
|
} else {
|
|
/* the transfer is finished */
|
|
td = NULL;
|
|
}
|
|
break;
|
|
}
|
|
td = td->obj_next;
|
|
|
|
if (td->alt_next != td_alt_next) {
|
|
/* this USB frame is complete */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* update transfer cache */
|
|
|
|
xfer->td_transfer_cache = td;
|
|
|
|
return ((status == XHCI_TRB_ERROR_STALL) ? USB_ERR_STALLED :
|
|
(status != XHCI_TRB_ERROR_SHORT_PKT &&
|
|
status != XHCI_TRB_ERROR_SUCCESS) ? USB_ERR_IOERROR :
|
|
USB_ERR_NORMAL_COMPLETION);
|
|
}
|
|
|
|
static void
|
|
xhci_generic_done(struct usb_xfer *xfer)
|
|
{
|
|
usb_error_t err = 0;
|
|
|
|
DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n",
|
|
xfer, xfer->endpoint);
|
|
|
|
/* reset scanner */
|
|
|
|
xfer->td_transfer_cache = xfer->td_transfer_first;
|
|
|
|
if (xfer->flags_int.control_xfr) {
|
|
|
|
if (xfer->flags_int.control_hdr)
|
|
err = xhci_generic_done_sub(xfer);
|
|
|
|
xfer->aframes = 1;
|
|
|
|
if (xfer->td_transfer_cache == NULL)
|
|
goto done;
|
|
}
|
|
|
|
while (xfer->aframes != xfer->nframes) {
|
|
|
|
err = xhci_generic_done_sub(xfer);
|
|
xfer->aframes++;
|
|
|
|
if (xfer->td_transfer_cache == NULL)
|
|
goto done;
|
|
}
|
|
|
|
if (xfer->flags_int.control_xfr &&
|
|
!xfer->flags_int.control_act)
|
|
err = xhci_generic_done_sub(xfer);
|
|
done:
|
|
/* transfer is complete */
|
|
xhci_device_done(xfer, err);
|
|
}
|
|
|
|
static void
|
|
xhci_activate_transfer(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_td *td;
|
|
|
|
td = xfer->td_transfer_cache;
|
|
|
|
usb_pc_cpu_invalidate(td->page_cache);
|
|
|
|
if (!(td->td_trb[0].dwTrb3 & htole32(XHCI_TRB_3_CYCLE_BIT))) {
|
|
|
|
/* activate the transfer */
|
|
|
|
td->td_trb[0].dwTrb3 |= htole32(XHCI_TRB_3_CYCLE_BIT);
|
|
usb_pc_cpu_flush(td->page_cache);
|
|
|
|
xhci_endpoint_doorbell(xfer);
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_skip_transfer(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_td *td;
|
|
struct xhci_td *td_last;
|
|
|
|
td = xfer->td_transfer_cache;
|
|
td_last = xfer->td_transfer_last;
|
|
|
|
td = td->alt_next;
|
|
|
|
usb_pc_cpu_invalidate(td->page_cache);
|
|
|
|
if (!(td->td_trb[0].dwTrb3 & htole32(XHCI_TRB_3_CYCLE_BIT))) {
|
|
|
|
usb_pc_cpu_invalidate(td_last->page_cache);
|
|
|
|
/* copy LINK TRB to current waiting location */
|
|
|
|
td->td_trb[0].qwTrb0 = td_last->td_trb[td_last->ntrb].qwTrb0;
|
|
td->td_trb[0].dwTrb2 = td_last->td_trb[td_last->ntrb].dwTrb2;
|
|
usb_pc_cpu_flush(td->page_cache);
|
|
|
|
td->td_trb[0].dwTrb3 = td_last->td_trb[td_last->ntrb].dwTrb3;
|
|
usb_pc_cpu_flush(td->page_cache);
|
|
|
|
xhci_endpoint_doorbell(xfer);
|
|
}
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* xhci_check_transfer
|
|
*------------------------------------------------------------------------*/
|
|
static void
|
|
xhci_check_transfer(struct xhci_softc *sc, struct xhci_trb *trb)
|
|
{
|
|
int64_t offset;
|
|
uint64_t td_event;
|
|
uint32_t temp;
|
|
uint32_t remainder;
|
|
uint8_t status;
|
|
uint8_t halted;
|
|
uint8_t epno;
|
|
uint8_t index;
|
|
uint8_t i;
|
|
|
|
/* decode TRB */
|
|
td_event = le64toh(trb->qwTrb0);
|
|
temp = le32toh(trb->dwTrb2);
|
|
|
|
remainder = XHCI_TRB_2_REM_GET(temp);
|
|
status = XHCI_TRB_2_ERROR_GET(temp);
|
|
|
|
temp = le32toh(trb->dwTrb3);
|
|
epno = XHCI_TRB_3_EP_GET(temp);
|
|
index = XHCI_TRB_3_SLOT_GET(temp);
|
|
|
|
/* check if error means halted */
|
|
halted = (status != XHCI_TRB_ERROR_SHORT_PKT &&
|
|
status != XHCI_TRB_ERROR_SUCCESS);
|
|
|
|
DPRINTF("slot=%u epno=%u remainder=%u status=%u\n",
|
|
index, epno, remainder, status);
|
|
|
|
if (index > sc->sc_noslot) {
|
|
DPRINTF("Invalid slot.\n");
|
|
return;
|
|
}
|
|
|
|
if ((epno == 0) || (epno >= XHCI_MAX_ENDPOINTS)) {
|
|
DPRINTF("Invalid endpoint.\n");
|
|
return;
|
|
}
|
|
|
|
/* try to find the USB transfer that generated the event */
|
|
for (i = 0; i != (XHCI_MAX_TRANSFERS - 1); i++) {
|
|
struct usb_xfer *xfer;
|
|
struct xhci_td *td;
|
|
struct xhci_endpoint_ext *pepext;
|
|
|
|
pepext = &sc->sc_hw.devs[index].endp[epno];
|
|
|
|
xfer = pepext->xfer[i];
|
|
if (xfer == NULL)
|
|
continue;
|
|
|
|
td = xfer->td_transfer_cache;
|
|
|
|
DPRINTFN(5, "Checking if 0x%016llx == (0x%016llx .. 0x%016llx)\n",
|
|
(long long)td_event,
|
|
(long long)td->td_self,
|
|
(long long)td->td_self + sizeof(td->td_trb));
|
|
|
|
/*
|
|
* NOTE: Some XHCI implementations might not trigger
|
|
* an event on the last LINK TRB so we need to
|
|
* consider both the last and second last event
|
|
* address as conditions for a successful transfer.
|
|
*
|
|
* NOTE: We assume that the XHCI will only trigger one
|
|
* event per chain of TRBs.
|
|
*/
|
|
|
|
offset = td_event - td->td_self;
|
|
|
|
if (offset >= 0 &&
|
|
offset < (int64_t)sizeof(td->td_trb)) {
|
|
|
|
usb_pc_cpu_invalidate(td->page_cache);
|
|
|
|
/* compute rest of remainder, if any */
|
|
for (i = (offset / 16) + 1; i < td->ntrb; i++) {
|
|
temp = le32toh(td->td_trb[i].dwTrb2);
|
|
remainder += XHCI_TRB_2_BYTES_GET(temp);
|
|
}
|
|
|
|
DPRINTFN(5, "New remainder: %u\n", remainder);
|
|
|
|
/* clear isochronous transfer errors */
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
if (halted) {
|
|
halted = 0;
|
|
status = XHCI_TRB_ERROR_SUCCESS;
|
|
remainder = td->len;
|
|
}
|
|
}
|
|
|
|
/* "td->remainder" is verified later */
|
|
td->remainder = remainder;
|
|
td->status = status;
|
|
|
|
usb_pc_cpu_flush(td->page_cache);
|
|
|
|
/*
|
|
* 1) Last transfer descriptor makes the
|
|
* transfer done
|
|
*/
|
|
if (((void *)td) == xfer->td_transfer_last) {
|
|
DPRINTF("TD is last\n");
|
|
xhci_generic_done(xfer);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* 2) Any kind of error makes the transfer
|
|
* done
|
|
*/
|
|
if (halted) {
|
|
DPRINTF("TD has I/O error\n");
|
|
xhci_generic_done(xfer);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* 3) If there is no alternate next transfer,
|
|
* a short packet also makes the transfer done
|
|
*/
|
|
if (td->remainder > 0) {
|
|
DPRINTF("TD has short pkt\n");
|
|
if (xfer->flags_int.short_frames_ok ||
|
|
xfer->flags_int.isochronous_xfr ||
|
|
xfer->flags_int.control_xfr) {
|
|
/* follow the alt next */
|
|
xfer->td_transfer_cache = td->alt_next;
|
|
xhci_activate_transfer(xfer);
|
|
break;
|
|
}
|
|
xhci_skip_transfer(xfer);
|
|
xhci_generic_done(xfer);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* 4) Transfer complete - go to next TD
|
|
*/
|
|
DPRINTF("Following next TD\n");
|
|
xfer->td_transfer_cache = td->obj_next;
|
|
xhci_activate_transfer(xfer);
|
|
break; /* there should only be one match */
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_check_command(struct xhci_softc *sc, struct xhci_trb *trb)
|
|
{
|
|
if (sc->sc_cmd_addr == trb->qwTrb0) {
|
|
DPRINTF("Received command event\n");
|
|
sc->sc_cmd_result[0] = trb->dwTrb2;
|
|
sc->sc_cmd_result[1] = trb->dwTrb3;
|
|
cv_signal(&sc->sc_cmd_cv);
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_interrupt_poll(struct xhci_softc *sc)
|
|
{
|
|
struct usb_page_search buf_res;
|
|
struct xhci_hw_root *phwr;
|
|
uint64_t addr;
|
|
uint32_t temp;
|
|
uint16_t i;
|
|
uint8_t event;
|
|
uint8_t j;
|
|
uint8_t k;
|
|
uint8_t t;
|
|
|
|
usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res);
|
|
|
|
phwr = buf_res.buffer;
|
|
|
|
/* Receive any events */
|
|
|
|
usb_pc_cpu_invalidate(&sc->sc_hw.root_pc);
|
|
|
|
i = sc->sc_event_idx;
|
|
j = sc->sc_event_ccs;
|
|
t = 2;
|
|
|
|
while (1) {
|
|
|
|
temp = le32toh(phwr->hwr_events[i].dwTrb3);
|
|
|
|
k = (temp & XHCI_TRB_3_CYCLE_BIT) ? 1 : 0;
|
|
|
|
if (j != k)
|
|
break;
|
|
|
|
event = XHCI_TRB_3_TYPE_GET(temp);
|
|
|
|
DPRINTFN(10, "event[%u] = %u (0x%016llx 0x%08lx 0x%08lx)\n",
|
|
i, event, (long long)le64toh(phwr->hwr_events[i].qwTrb0),
|
|
(long)le32toh(phwr->hwr_events[i].dwTrb2),
|
|
(long)le32toh(phwr->hwr_events[i].dwTrb3));
|
|
|
|
switch (event) {
|
|
case XHCI_TRB_EVENT_TRANSFER:
|
|
xhci_check_transfer(sc, &phwr->hwr_events[i]);
|
|
break;
|
|
case XHCI_TRB_EVENT_CMD_COMPLETE:
|
|
xhci_check_command(sc, &phwr->hwr_events[i]);
|
|
break;
|
|
default:
|
|
DPRINTF("Unhandled event = %u\n", event);
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
|
|
if (i == XHCI_MAX_EVENTS) {
|
|
i = 0;
|
|
j ^= 1;
|
|
|
|
/* check for timeout */
|
|
if (!--t)
|
|
break;
|
|
}
|
|
}
|
|
|
|
sc->sc_event_idx = i;
|
|
sc->sc_event_ccs = j;
|
|
|
|
/*
|
|
* NOTE: The Event Ring Dequeue Pointer Register is 64-bit
|
|
* latched. That means to activate the register we need to
|
|
* write both the low and high double word of the 64-bit
|
|
* register.
|
|
*/
|
|
|
|
addr = (uint32_t)buf_res.physaddr;
|
|
addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_events[i];
|
|
|
|
/* try to clear busy bit */
|
|
addr |= XHCI_ERDP_LO_BUSY;
|
|
|
|
XWRITE4(sc, runt, XHCI_ERDP_LO(0), (uint32_t)addr);
|
|
XWRITE4(sc, runt, XHCI_ERDP_HI(0), (uint32_t)(addr >> 32));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_do_command(struct xhci_softc *sc, struct xhci_trb *trb,
|
|
uint16_t timeout_ms)
|
|
{
|
|
struct usb_page_search buf_res;
|
|
struct xhci_hw_root *phwr;
|
|
uint64_t addr;
|
|
uint32_t temp;
|
|
uint8_t i;
|
|
uint8_t j;
|
|
int err;
|
|
|
|
XHCI_CMD_ASSERT_LOCKED(sc);
|
|
|
|
/* get hardware root structure */
|
|
|
|
usbd_get_page(&sc->sc_hw.root_pc, 0, &buf_res);
|
|
|
|
phwr = buf_res.buffer;
|
|
|
|
/* Queue command */
|
|
|
|
USB_BUS_LOCK(&sc->sc_bus);
|
|
|
|
i = sc->sc_command_idx;
|
|
j = sc->sc_command_ccs;
|
|
|
|
DPRINTFN(10, "command[%u] = %u (0x%016llx, 0x%08lx, 0x%08lx)\n",
|
|
i, XHCI_TRB_3_TYPE_GET(le32toh(trb->dwTrb3)),
|
|
(long long)le64toh(trb->qwTrb0),
|
|
(long)le32toh(trb->dwTrb2),
|
|
(long)le32toh(trb->dwTrb3));
|
|
|
|
phwr->hwr_commands[i].qwTrb0 = trb->qwTrb0;
|
|
phwr->hwr_commands[i].dwTrb2 = trb->dwTrb2;
|
|
|
|
usb_pc_cpu_flush(&sc->sc_hw.root_pc);
|
|
|
|
temp = trb->dwTrb3;
|
|
|
|
if (j)
|
|
temp |= htole32(XHCI_TRB_3_CYCLE_BIT);
|
|
else
|
|
temp &= ~htole32(XHCI_TRB_3_CYCLE_BIT);
|
|
|
|
temp &= ~htole32(XHCI_TRB_3_TC_BIT);
|
|
|
|
phwr->hwr_commands[i].dwTrb3 = temp;
|
|
|
|
usb_pc_cpu_flush(&sc->sc_hw.root_pc);
|
|
|
|
addr = buf_res.physaddr;
|
|
addr += (uintptr_t)&((struct xhci_hw_root *)0)->hwr_commands[i];
|
|
|
|
sc->sc_cmd_addr = htole64(addr);
|
|
|
|
i++;
|
|
|
|
if (i == (XHCI_MAX_COMMANDS - 1)) {
|
|
|
|
if (j) {
|
|
temp = htole32(XHCI_TRB_3_TC_BIT |
|
|
XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK) |
|
|
XHCI_TRB_3_CYCLE_BIT);
|
|
} else {
|
|
temp = htole32(XHCI_TRB_3_TC_BIT |
|
|
XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK));
|
|
}
|
|
|
|
phwr->hwr_commands[i].dwTrb3 = temp;
|
|
|
|
usb_pc_cpu_flush(&sc->sc_hw.root_pc);
|
|
|
|
i = 0;
|
|
j ^= 1;
|
|
}
|
|
|
|
sc->sc_command_idx = i;
|
|
sc->sc_command_ccs = j;
|
|
|
|
XWRITE4(sc, door, XHCI_DOORBELL(0), 0);
|
|
|
|
err = cv_timedwait(&sc->sc_cmd_cv, &sc->sc_bus.bus_mtx,
|
|
USB_MS_TO_TICKS(timeout_ms));
|
|
|
|
if (err) {
|
|
DPRINTFN(0, "Command timeout!\n");
|
|
err = USB_ERR_TIMEOUT;
|
|
trb->dwTrb2 = 0;
|
|
trb->dwTrb3 = 0;
|
|
} else {
|
|
temp = le32toh(sc->sc_cmd_result[0]);
|
|
if (XHCI_TRB_2_ERROR_GET(temp) != XHCI_TRB_ERROR_SUCCESS)
|
|
err = USB_ERR_IOERROR;
|
|
|
|
trb->dwTrb2 = sc->sc_cmd_result[0];
|
|
trb->dwTrb3 = sc->sc_cmd_result[1];
|
|
}
|
|
|
|
USB_BUS_UNLOCK(&sc->sc_bus);
|
|
|
|
return (err);
|
|
}
|
|
|
|
#if 0
|
|
static usb_error_t
|
|
xhci_cmd_nop(struct xhci_softc *sc)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = 0;
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_NOOP);
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
#endif
|
|
|
|
static usb_error_t
|
|
xhci_cmd_enable_slot(struct xhci_softc *sc, uint8_t *pslot)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
usb_error_t err;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = 0;
|
|
trb.dwTrb2 = 0;
|
|
trb.dwTrb3 = htole32(XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_ENABLE_SLOT));
|
|
|
|
err = xhci_do_command(sc, &trb, 100 /* ms */);
|
|
if (err)
|
|
goto done;
|
|
|
|
temp = le32toh(trb.dwTrb3);
|
|
|
|
*pslot = XHCI_TRB_3_SLOT_GET(temp);
|
|
|
|
done:
|
|
return (err);
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_disable_slot(struct xhci_softc *sc, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = 0;
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_DISABLE_SLOT) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id);
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_set_address(struct xhci_softc *sc, uint64_t input_ctx,
|
|
uint8_t bsr, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = htole64(input_ctx);
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_ADDRESS_DEVICE) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id);
|
|
|
|
if (bsr)
|
|
temp |= XHCI_TRB_3_BSR_BIT;
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 500 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_set_address(struct usb_device *udev, struct mtx *mtx, uint16_t address)
|
|
{
|
|
struct usb_page_search buf_inp;
|
|
struct usb_page_search buf_dev;
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct xhci_hw_dev *hdev;
|
|
struct xhci_dev_ctx *pdev;
|
|
struct xhci_endpoint_ext *pepext;
|
|
uint32_t temp;
|
|
uint16_t mps;
|
|
usb_error_t err;
|
|
uint8_t index;
|
|
|
|
/* the root HUB case is not handled here */
|
|
if (udev->parent_hub == NULL)
|
|
return (USB_ERR_INVAL);
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
hdev = &sc->sc_hw.devs[index];
|
|
|
|
if (mtx != NULL)
|
|
mtx_unlock(mtx);
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
switch (hdev->state) {
|
|
case XHCI_ST_DEFAULT:
|
|
case XHCI_ST_ENABLED:
|
|
|
|
hdev->state = XHCI_ST_ENABLED;
|
|
|
|
/* set configure mask to slot and EP0 */
|
|
xhci_configure_mask(udev, 3, 0);
|
|
|
|
/* configure input slot context structure */
|
|
err = xhci_configure_device(udev);
|
|
|
|
if (err != 0) {
|
|
DPRINTF("Could not configure device\n");
|
|
break;
|
|
}
|
|
|
|
/* configure input endpoint context structure */
|
|
switch (udev->speed) {
|
|
case USB_SPEED_LOW:
|
|
case USB_SPEED_FULL:
|
|
mps = 8;
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
mps = 64;
|
|
break;
|
|
default:
|
|
mps = 512;
|
|
break;
|
|
}
|
|
|
|
pepext = xhci_get_endpoint_ext(udev,
|
|
&udev->ctrl_ep_desc);
|
|
err = xhci_configure_endpoint(udev,
|
|
&udev->ctrl_ep_desc, pepext->physaddr,
|
|
0, 1, 1, 0, mps, mps, USB_EP_MODE_DEFAULT);
|
|
|
|
if (err != 0) {
|
|
DPRINTF("Could not configure default endpoint\n");
|
|
break;
|
|
}
|
|
|
|
/* execute set address command */
|
|
usbd_get_page(&hdev->input_pc, 0, &buf_inp);
|
|
|
|
err = xhci_cmd_set_address(sc, buf_inp.physaddr,
|
|
(address == 0), index);
|
|
|
|
if (err != 0) {
|
|
DPRINTF("Could not set address "
|
|
"for slot %u.\n", index);
|
|
if (address != 0)
|
|
break;
|
|
}
|
|
|
|
/* update device address to new value */
|
|
|
|
usbd_get_page(&hdev->device_pc, 0, &buf_dev);
|
|
pdev = buf_dev.buffer;
|
|
usb_pc_cpu_invalidate(&hdev->device_pc);
|
|
|
|
temp = xhci_ctx_get_le32(sc, &pdev->ctx_slot.dwSctx3);
|
|
udev->address = XHCI_SCTX_3_DEV_ADDR_GET(temp);
|
|
|
|
/* update device state to new value */
|
|
|
|
if (address != 0)
|
|
hdev->state = XHCI_ST_ADDRESSED;
|
|
else
|
|
hdev->state = XHCI_ST_DEFAULT;
|
|
break;
|
|
|
|
default:
|
|
DPRINTF("Wrong state for set address.\n");
|
|
err = USB_ERR_IOERROR;
|
|
break;
|
|
}
|
|
XHCI_CMD_UNLOCK(sc);
|
|
|
|
if (mtx != NULL)
|
|
mtx_lock(mtx);
|
|
|
|
return (err);
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_configure_ep(struct xhci_softc *sc, uint64_t input_ctx,
|
|
uint8_t deconfigure, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = htole64(input_ctx);
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_CONFIGURE_EP) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id);
|
|
|
|
if (deconfigure)
|
|
temp |= XHCI_TRB_3_DCEP_BIT;
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_evaluate_ctx(struct xhci_softc *sc, uint64_t input_ctx,
|
|
uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = htole64(input_ctx);
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_EVALUATE_CTX) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id);
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_reset_ep(struct xhci_softc *sc, uint8_t preserve,
|
|
uint8_t ep_id, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = 0;
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_RESET_EP) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id) |
|
|
XHCI_TRB_3_EP_SET(ep_id);
|
|
|
|
if (preserve)
|
|
temp |= XHCI_TRB_3_PRSV_BIT;
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_set_tr_dequeue_ptr(struct xhci_softc *sc, uint64_t dequeue_ptr,
|
|
uint16_t stream_id, uint8_t ep_id, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = htole64(dequeue_ptr);
|
|
|
|
temp = XHCI_TRB_2_STREAM_SET(stream_id);
|
|
trb.dwTrb2 = htole32(temp);
|
|
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_SET_TR_DEQUEUE) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id) |
|
|
XHCI_TRB_3_EP_SET(ep_id);
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_stop_ep(struct xhci_softc *sc, uint8_t suspend,
|
|
uint8_t ep_id, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = 0;
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_STOP_EP) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id) |
|
|
XHCI_TRB_3_EP_SET(ep_id);
|
|
|
|
if (suspend)
|
|
temp |= XHCI_TRB_3_SUSP_EP_BIT;
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_cmd_reset_dev(struct xhci_softc *sc, uint8_t slot_id)
|
|
{
|
|
struct xhci_trb trb;
|
|
uint32_t temp;
|
|
|
|
DPRINTF("\n");
|
|
|
|
trb.qwTrb0 = 0;
|
|
trb.dwTrb2 = 0;
|
|
temp = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_RESET_DEVICE) |
|
|
XHCI_TRB_3_SLOT_SET(slot_id);
|
|
|
|
trb.dwTrb3 = htole32(temp);
|
|
|
|
return (xhci_do_command(sc, &trb, 100 /* ms */));
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* xhci_interrupt - XHCI interrupt handler
|
|
*------------------------------------------------------------------------*/
|
|
void
|
|
xhci_interrupt(struct xhci_softc *sc)
|
|
{
|
|
uint32_t status;
|
|
uint32_t temp;
|
|
|
|
USB_BUS_LOCK(&sc->sc_bus);
|
|
|
|
status = XREAD4(sc, oper, XHCI_USBSTS);
|
|
|
|
/* acknowledge interrupts */
|
|
|
|
XWRITE4(sc, oper, XHCI_USBSTS, status);
|
|
|
|
temp = XREAD4(sc, runt, XHCI_IMAN(0));
|
|
|
|
/* acknowledge pending event */
|
|
|
|
XWRITE4(sc, runt, XHCI_IMAN(0), temp);
|
|
|
|
DPRINTFN(16, "real interrupt (sts=0x%08x, "
|
|
"iman=0x%08x)\n", status, temp);
|
|
|
|
if (status != 0) {
|
|
if (status & XHCI_STS_PCD) {
|
|
xhci_root_intr(sc);
|
|
}
|
|
|
|
if (status & XHCI_STS_HCH) {
|
|
printf("%s: host controller halted\n",
|
|
__FUNCTION__);
|
|
}
|
|
|
|
if (status & XHCI_STS_HSE) {
|
|
printf("%s: host system error\n",
|
|
__FUNCTION__);
|
|
}
|
|
|
|
if (status & XHCI_STS_HCE) {
|
|
printf("%s: host controller error\n",
|
|
__FUNCTION__);
|
|
}
|
|
}
|
|
|
|
xhci_interrupt_poll(sc);
|
|
|
|
USB_BUS_UNLOCK(&sc->sc_bus);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* xhci_timeout - XHCI timeout handler
|
|
*------------------------------------------------------------------------*/
|
|
static void
|
|
xhci_timeout(void *arg)
|
|
{
|
|
struct usb_xfer *xfer = arg;
|
|
|
|
DPRINTF("xfer=%p\n", xfer);
|
|
|
|
USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED);
|
|
|
|
/* transfer is transferred */
|
|
xhci_device_done(xfer, USB_ERR_TIMEOUT);
|
|
}
|
|
|
|
static void
|
|
xhci_do_poll(struct usb_bus *bus)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(bus);
|
|
|
|
USB_BUS_LOCK(&sc->sc_bus);
|
|
xhci_interrupt_poll(sc);
|
|
USB_BUS_UNLOCK(&sc->sc_bus);
|
|
}
|
|
|
|
static void
|
|
xhci_setup_generic_chain_sub(struct xhci_std_temp *temp)
|
|
{
|
|
struct usb_page_search buf_res;
|
|
struct xhci_td *td;
|
|
struct xhci_td *td_next;
|
|
struct xhci_td *td_alt_next;
|
|
uint32_t buf_offset;
|
|
uint32_t average;
|
|
uint32_t len_old;
|
|
uint32_t dword;
|
|
uint8_t shortpkt_old;
|
|
uint8_t precompute;
|
|
uint8_t x;
|
|
|
|
td_alt_next = NULL;
|
|
buf_offset = 0;
|
|
shortpkt_old = temp->shortpkt;
|
|
len_old = temp->len;
|
|
precompute = 1;
|
|
|
|
restart:
|
|
|
|
td = temp->td;
|
|
td_next = temp->td_next;
|
|
|
|
while (1) {
|
|
|
|
if (temp->len == 0) {
|
|
|
|
if (temp->shortpkt)
|
|
break;
|
|
|
|
/* send a Zero Length Packet, ZLP, last */
|
|
|
|
temp->shortpkt = 1;
|
|
average = 0;
|
|
|
|
} else {
|
|
|
|
average = temp->average;
|
|
|
|
if (temp->len < average) {
|
|
if (temp->len % temp->max_packet_size) {
|
|
temp->shortpkt = 1;
|
|
}
|
|
average = temp->len;
|
|
}
|
|
}
|
|
|
|
if (td_next == NULL)
|
|
panic("%s: out of XHCI transfer descriptors!", __FUNCTION__);
|
|
|
|
/* get next TD */
|
|
|
|
td = td_next;
|
|
td_next = td->obj_next;
|
|
|
|
/* check if we are pre-computing */
|
|
|
|
if (precompute) {
|
|
|
|
/* update remaining length */
|
|
|
|
temp->len -= average;
|
|
|
|
continue;
|
|
}
|
|
/* fill out current TD */
|
|
|
|
td->len = average;
|
|
td->remainder = 0;
|
|
td->status = 0;
|
|
|
|
/* update remaining length */
|
|
|
|
temp->len -= average;
|
|
|
|
/* reset TRB index */
|
|
|
|
x = 0;
|
|
|
|
if (temp->trb_type == XHCI_TRB_TYPE_SETUP_STAGE) {
|
|
/* immediate data */
|
|
|
|
if (average > 8)
|
|
average = 8;
|
|
|
|
td->td_trb[0].qwTrb0 = 0;
|
|
|
|
usbd_copy_out(temp->pc, temp->offset + buf_offset,
|
|
(uint8_t *)(uintptr_t)&td->td_trb[0].qwTrb0,
|
|
average);
|
|
|
|
dword = XHCI_TRB_2_BYTES_SET(8) |
|
|
XHCI_TRB_2_TDSZ_SET(0) |
|
|
XHCI_TRB_2_IRQ_SET(0);
|
|
|
|
td->td_trb[0].dwTrb2 = htole32(dword);
|
|
|
|
dword = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_SETUP_STAGE) |
|
|
XHCI_TRB_3_IDT_BIT | XHCI_TRB_3_CYCLE_BIT;
|
|
|
|
/* check wLength */
|
|
if (td->td_trb[0].qwTrb0 &
|
|
htole64(XHCI_TRB_0_WLENGTH_MASK)) {
|
|
if (td->td_trb[0].qwTrb0 & htole64(1))
|
|
dword |= XHCI_TRB_3_TRT_IN;
|
|
else
|
|
dword |= XHCI_TRB_3_TRT_OUT;
|
|
}
|
|
|
|
td->td_trb[0].dwTrb3 = htole32(dword);
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_trb(&td->td_trb[x]);
|
|
#endif
|
|
x++;
|
|
|
|
} else do {
|
|
|
|
uint32_t npkt;
|
|
|
|
/* fill out buffer pointers */
|
|
|
|
if (average == 0) {
|
|
npkt = 1;
|
|
memset(&buf_res, 0, sizeof(buf_res));
|
|
} else {
|
|
usbd_get_page(temp->pc, temp->offset +
|
|
buf_offset, &buf_res);
|
|
|
|
/* get length to end of page */
|
|
if (buf_res.length > average)
|
|
buf_res.length = average;
|
|
|
|
/* check for maximum length */
|
|
if (buf_res.length > XHCI_TD_PAGE_SIZE)
|
|
buf_res.length = XHCI_TD_PAGE_SIZE;
|
|
|
|
/* setup npkt */
|
|
npkt = (average + temp->max_packet_size - 1) /
|
|
temp->max_packet_size;
|
|
|
|
if (npkt > 31)
|
|
npkt = 31;
|
|
}
|
|
|
|
/* fill out TRB's */
|
|
td->td_trb[x].qwTrb0 =
|
|
htole64((uint64_t)buf_res.physaddr);
|
|
|
|
dword =
|
|
XHCI_TRB_2_BYTES_SET(buf_res.length) |
|
|
XHCI_TRB_2_TDSZ_SET(npkt) |
|
|
XHCI_TRB_2_IRQ_SET(0);
|
|
|
|
td->td_trb[x].dwTrb2 = htole32(dword);
|
|
|
|
dword = XHCI_TRB_3_CHAIN_BIT | XHCI_TRB_3_CYCLE_BIT |
|
|
XHCI_TRB_3_TYPE_SET(temp->trb_type) |
|
|
(temp->do_isoc_sync ?
|
|
XHCI_TRB_3_FRID_SET(temp->isoc_frame / 8) :
|
|
XHCI_TRB_3_ISO_SIA_BIT) |
|
|
XHCI_TRB_3_TBC_SET(temp->tbc) |
|
|
XHCI_TRB_3_TLBPC_SET(temp->tlbpc);
|
|
|
|
temp->do_isoc_sync = 0;
|
|
|
|
if (temp->direction == UE_DIR_IN) {
|
|
dword |= XHCI_TRB_3_DIR_IN;
|
|
|
|
/*
|
|
* NOTE: Only the SETUP stage should
|
|
* use the IDT bit. Else transactions
|
|
* can be sent using the wrong data
|
|
* toggle value.
|
|
*/
|
|
if (temp->trb_type !=
|
|
XHCI_TRB_TYPE_SETUP_STAGE &&
|
|
temp->trb_type !=
|
|
XHCI_TRB_TYPE_STATUS_STAGE)
|
|
dword |= XHCI_TRB_3_ISP_BIT;
|
|
}
|
|
|
|
td->td_trb[x].dwTrb3 = htole32(dword);
|
|
|
|
average -= buf_res.length;
|
|
buf_offset += buf_res.length;
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_trb(&td->td_trb[x]);
|
|
#endif
|
|
x++;
|
|
|
|
} while (average != 0);
|
|
|
|
td->td_trb[x-1].dwTrb3 |= htole32(XHCI_TRB_3_IOC_BIT);
|
|
|
|
/* store number of data TRB's */
|
|
|
|
td->ntrb = x;
|
|
|
|
DPRINTF("NTRB=%u\n", x);
|
|
|
|
/* fill out link TRB */
|
|
|
|
if (td_next != NULL) {
|
|
/* link the current TD with the next one */
|
|
td->td_trb[x].qwTrb0 = htole64((uint64_t)td_next->td_self);
|
|
DPRINTF("LINK=0x%08llx\n", (long long)td_next->td_self);
|
|
} else {
|
|
/* this field will get updated later */
|
|
DPRINTF("NOLINK\n");
|
|
}
|
|
|
|
dword = XHCI_TRB_2_IRQ_SET(0);
|
|
|
|
td->td_trb[x].dwTrb2 = htole32(dword);
|
|
|
|
dword = XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK) |
|
|
XHCI_TRB_3_CYCLE_BIT | XHCI_TRB_3_IOC_BIT;
|
|
|
|
td->td_trb[x].dwTrb3 = htole32(dword);
|
|
|
|
td->alt_next = td_alt_next;
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_trb(&td->td_trb[x]);
|
|
#endif
|
|
usb_pc_cpu_flush(td->page_cache);
|
|
}
|
|
|
|
if (precompute) {
|
|
precompute = 0;
|
|
|
|
/* setup alt next pointer, if any */
|
|
if (temp->last_frame) {
|
|
td_alt_next = NULL;
|
|
} else {
|
|
/* we use this field internally */
|
|
td_alt_next = td_next;
|
|
}
|
|
|
|
/* restore */
|
|
temp->shortpkt = shortpkt_old;
|
|
temp->len = len_old;
|
|
goto restart;
|
|
}
|
|
|
|
/* remove cycle bit from first if we are stepping the TRBs */
|
|
if (temp->step_td)
|
|
td->td_trb[0].dwTrb3 &= ~htole32(XHCI_TRB_3_CYCLE_BIT);
|
|
|
|
/* remove chain bit because this is the last TRB in the chain */
|
|
td->td_trb[td->ntrb - 1].dwTrb2 &= ~htole32(XHCI_TRB_2_TDSZ_SET(15));
|
|
td->td_trb[td->ntrb - 1].dwTrb3 &= ~htole32(XHCI_TRB_3_CHAIN_BIT);
|
|
|
|
usb_pc_cpu_flush(td->page_cache);
|
|
|
|
temp->td = td;
|
|
temp->td_next = td_next;
|
|
}
|
|
|
|
static void
|
|
xhci_setup_generic_chain(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_std_temp temp;
|
|
struct xhci_td *td;
|
|
uint32_t x;
|
|
uint32_t y;
|
|
uint8_t mult;
|
|
|
|
temp.do_isoc_sync = 0;
|
|
temp.step_td = 0;
|
|
temp.tbc = 0;
|
|
temp.tlbpc = 0;
|
|
temp.average = xfer->max_hc_frame_size;
|
|
temp.max_packet_size = xfer->max_packet_size;
|
|
temp.sc = XHCI_BUS2SC(xfer->xroot->bus);
|
|
temp.pc = NULL;
|
|
temp.last_frame = 0;
|
|
temp.offset = 0;
|
|
temp.multishort = xfer->flags_int.isochronous_xfr ||
|
|
xfer->flags_int.control_xfr ||
|
|
xfer->flags_int.short_frames_ok;
|
|
|
|
/* toggle the DMA set we are using */
|
|
xfer->flags_int.curr_dma_set ^= 1;
|
|
|
|
/* get next DMA set */
|
|
td = xfer->td_start[xfer->flags_int.curr_dma_set];
|
|
|
|
temp.td = NULL;
|
|
temp.td_next = td;
|
|
|
|
xfer->td_transfer_first = td;
|
|
xfer->td_transfer_cache = td;
|
|
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
uint8_t shift;
|
|
|
|
/* compute multiplier for ISOCHRONOUS transfers */
|
|
mult = xfer->endpoint->ecomp ?
|
|
UE_GET_SS_ISO_MULT(xfer->endpoint->ecomp->bmAttributes)
|
|
: 0;
|
|
/* check for USB 2.0 multiplier */
|
|
if (mult == 0) {
|
|
mult = (xfer->endpoint->edesc->
|
|
wMaxPacketSize[1] >> 3) & 3;
|
|
}
|
|
/* range check */
|
|
if (mult > 2)
|
|
mult = 3;
|
|
else
|
|
mult++;
|
|
|
|
x = XREAD4(temp.sc, runt, XHCI_MFINDEX);
|
|
|
|
DPRINTF("MFINDEX=0x%08x\n", x);
|
|
|
|
switch (usbd_get_speed(xfer->xroot->udev)) {
|
|
case USB_SPEED_FULL:
|
|
shift = 3;
|
|
temp.isoc_delta = 8; /* 1ms */
|
|
x += temp.isoc_delta - 1;
|
|
x &= ~(temp.isoc_delta - 1);
|
|
break;
|
|
default:
|
|
shift = usbd_xfer_get_fps_shift(xfer);
|
|
temp.isoc_delta = 1U << shift;
|
|
x += temp.isoc_delta - 1;
|
|
x &= ~(temp.isoc_delta - 1);
|
|
/* simple frame load balancing */
|
|
x += xfer->endpoint->usb_uframe;
|
|
break;
|
|
}
|
|
|
|
y = XHCI_MFINDEX_GET(x - xfer->endpoint->isoc_next);
|
|
|
|
if ((xfer->endpoint->is_synced == 0) ||
|
|
(y < (xfer->nframes << shift)) ||
|
|
(XHCI_MFINDEX_GET(-y) >= (128 * 8))) {
|
|
/*
|
|
* If there is data underflow or the pipe
|
|
* queue is empty we schedule the transfer a
|
|
* few frames ahead of the current frame
|
|
* position. Else two isochronous transfers
|
|
* might overlap.
|
|
*/
|
|
xfer->endpoint->isoc_next = XHCI_MFINDEX_GET(x + (3 * 8));
|
|
xfer->endpoint->is_synced = 1;
|
|
temp.do_isoc_sync = 1;
|
|
|
|
DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next);
|
|
}
|
|
|
|
/* compute isochronous completion time */
|
|
|
|
y = XHCI_MFINDEX_GET(xfer->endpoint->isoc_next - (x & ~7));
|
|
|
|
xfer->isoc_time_complete =
|
|
usb_isoc_time_expand(&temp.sc->sc_bus, x / 8) +
|
|
(y / 8) + (((xfer->nframes << shift) + 7) / 8);
|
|
|
|
x = 0;
|
|
temp.isoc_frame = xfer->endpoint->isoc_next;
|
|
temp.trb_type = XHCI_TRB_TYPE_ISOCH;
|
|
|
|
xfer->endpoint->isoc_next += xfer->nframes << shift;
|
|
|
|
} else if (xfer->flags_int.control_xfr) {
|
|
|
|
/* check if we should prepend a setup message */
|
|
|
|
if (xfer->flags_int.control_hdr) {
|
|
|
|
temp.len = xfer->frlengths[0];
|
|
temp.pc = xfer->frbuffers + 0;
|
|
temp.shortpkt = temp.len ? 1 : 0;
|
|
temp.trb_type = XHCI_TRB_TYPE_SETUP_STAGE;
|
|
temp.direction = 0;
|
|
|
|
/* check for last frame */
|
|
if (xfer->nframes == 1) {
|
|
/* no STATUS stage yet, SETUP is last */
|
|
if (xfer->flags_int.control_act)
|
|
temp.last_frame = 1;
|
|
}
|
|
|
|
xhci_setup_generic_chain_sub(&temp);
|
|
}
|
|
x = 1;
|
|
mult = 1;
|
|
temp.isoc_delta = 0;
|
|
temp.isoc_frame = 0;
|
|
temp.trb_type = XHCI_TRB_TYPE_DATA_STAGE;
|
|
} else {
|
|
x = 0;
|
|
mult = 1;
|
|
temp.isoc_delta = 0;
|
|
temp.isoc_frame = 0;
|
|
temp.trb_type = XHCI_TRB_TYPE_NORMAL;
|
|
}
|
|
|
|
if (x != xfer->nframes) {
|
|
/* setup page_cache pointer */
|
|
temp.pc = xfer->frbuffers + x;
|
|
/* set endpoint direction */
|
|
temp.direction = UE_GET_DIR(xfer->endpointno);
|
|
}
|
|
|
|
while (x != xfer->nframes) {
|
|
|
|
/* DATA0 / DATA1 message */
|
|
|
|
temp.len = xfer->frlengths[x];
|
|
temp.step_td = ((xfer->endpointno & UE_DIR_IN) &&
|
|
x != 0 && temp.multishort == 0);
|
|
|
|
x++;
|
|
|
|
if (x == xfer->nframes) {
|
|
if (xfer->flags_int.control_xfr) {
|
|
/* no STATUS stage yet, DATA is last */
|
|
if (xfer->flags_int.control_act)
|
|
temp.last_frame = 1;
|
|
} else {
|
|
temp.last_frame = 1;
|
|
}
|
|
}
|
|
if (temp.len == 0) {
|
|
|
|
/* make sure that we send an USB packet */
|
|
|
|
temp.shortpkt = 0;
|
|
|
|
temp.tbc = 0;
|
|
temp.tlbpc = mult - 1;
|
|
|
|
} else if (xfer->flags_int.isochronous_xfr) {
|
|
|
|
uint8_t tdpc;
|
|
|
|
/*
|
|
* Isochronous transfers don't have short
|
|
* packet termination:
|
|
*/
|
|
|
|
temp.shortpkt = 1;
|
|
|
|
/* isochronous transfers have a transfer limit */
|
|
|
|
if (temp.len > xfer->max_frame_size)
|
|
temp.len = xfer->max_frame_size;
|
|
|
|
/* compute TD packet count */
|
|
tdpc = (temp.len + xfer->max_packet_size - 1) /
|
|
xfer->max_packet_size;
|
|
|
|
temp.tbc = ((tdpc + mult - 1) / mult) - 1;
|
|
temp.tlbpc = (tdpc % mult);
|
|
|
|
if (temp.tlbpc == 0)
|
|
temp.tlbpc = mult - 1;
|
|
else
|
|
temp.tlbpc--;
|
|
} else {
|
|
|
|
/* regular data transfer */
|
|
|
|
temp.shortpkt = xfer->flags.force_short_xfer ? 0 : 1;
|
|
}
|
|
|
|
xhci_setup_generic_chain_sub(&temp);
|
|
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
temp.offset += xfer->frlengths[x - 1];
|
|
temp.isoc_frame += temp.isoc_delta;
|
|
} else {
|
|
/* get next Page Cache pointer */
|
|
temp.pc = xfer->frbuffers + x;
|
|
}
|
|
}
|
|
|
|
/* check if we should append a status stage */
|
|
|
|
if (xfer->flags_int.control_xfr &&
|
|
!xfer->flags_int.control_act) {
|
|
|
|
/*
|
|
* Send a DATA1 message and invert the current
|
|
* endpoint direction.
|
|
*/
|
|
temp.step_td = (xfer->nframes != 0);
|
|
temp.direction = UE_GET_DIR(xfer->endpointno) ^ UE_DIR_IN;
|
|
temp.len = 0;
|
|
temp.pc = NULL;
|
|
temp.shortpkt = 0;
|
|
temp.last_frame = 1;
|
|
temp.trb_type = XHCI_TRB_TYPE_STATUS_STAGE;
|
|
|
|
xhci_setup_generic_chain_sub(&temp);
|
|
}
|
|
|
|
td = temp.td;
|
|
|
|
/* must have at least one frame! */
|
|
|
|
xfer->td_transfer_last = td;
|
|
|
|
DPRINTF("first=%p last=%p\n", xfer->td_transfer_first, td);
|
|
}
|
|
|
|
static void
|
|
xhci_set_slot_pointer(struct xhci_softc *sc, uint8_t index, uint64_t dev_addr)
|
|
{
|
|
struct usb_page_search buf_res;
|
|
struct xhci_dev_ctx_addr *pdctxa;
|
|
|
|
usbd_get_page(&sc->sc_hw.ctx_pc, 0, &buf_res);
|
|
|
|
pdctxa = buf_res.buffer;
|
|
|
|
DPRINTF("addr[%u]=0x%016llx\n", index, (long long)dev_addr);
|
|
|
|
pdctxa->qwBaaDevCtxAddr[index] = htole64(dev_addr);
|
|
|
|
usb_pc_cpu_flush(&sc->sc_hw.ctx_pc);
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_configure_mask(struct usb_device *udev, uint32_t mask, uint8_t drop)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct usb_page_search buf_inp;
|
|
struct xhci_input_dev_ctx *pinp;
|
|
uint32_t temp;
|
|
uint8_t index;
|
|
uint8_t x;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
usbd_get_page(&sc->sc_hw.devs[index].input_pc, 0, &buf_inp);
|
|
|
|
pinp = buf_inp.buffer;
|
|
|
|
if (drop) {
|
|
mask &= XHCI_INCTX_NON_CTRL_MASK;
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, mask);
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx1, 0);
|
|
} else {
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, 0);
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx1, mask);
|
|
|
|
/* find most significant set bit */
|
|
for (x = 31; x != 1; x--) {
|
|
if (mask & (1 << x))
|
|
break;
|
|
}
|
|
|
|
/* adjust */
|
|
x--;
|
|
|
|
/* figure out maximum */
|
|
if (x > sc->sc_hw.devs[index].context_num) {
|
|
sc->sc_hw.devs[index].context_num = x;
|
|
temp = xhci_ctx_get_le32(sc, &pinp->ctx_slot.dwSctx0);
|
|
temp &= ~XHCI_SCTX_0_CTX_NUM_SET(31);
|
|
temp |= XHCI_SCTX_0_CTX_NUM_SET(x + 1);
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx0, temp);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_configure_endpoint(struct usb_device *udev,
|
|
struct usb_endpoint_descriptor *edesc, uint64_t ring_addr,
|
|
uint16_t interval, uint8_t max_packet_count, uint8_t mult,
|
|
uint8_t fps_shift, uint16_t max_packet_size,
|
|
uint16_t max_frame_size, uint8_t ep_mode)
|
|
{
|
|
struct usb_page_search buf_inp;
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct xhci_input_dev_ctx *pinp;
|
|
uint32_t temp;
|
|
uint8_t index;
|
|
uint8_t epno;
|
|
uint8_t type;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
usbd_get_page(&sc->sc_hw.devs[index].input_pc, 0, &buf_inp);
|
|
|
|
pinp = buf_inp.buffer;
|
|
|
|
epno = edesc->bEndpointAddress;
|
|
type = edesc->bmAttributes & UE_XFERTYPE;
|
|
|
|
if (type == UE_CONTROL)
|
|
epno |= UE_DIR_IN;
|
|
|
|
epno = XHCI_EPNO2EPID(epno);
|
|
|
|
if (epno == 0)
|
|
return (USB_ERR_NO_PIPE); /* invalid */
|
|
|
|
if (max_packet_count == 0)
|
|
return (USB_ERR_BAD_BUFSIZE);
|
|
|
|
max_packet_count--;
|
|
|
|
if (mult == 0)
|
|
return (USB_ERR_BAD_BUFSIZE);
|
|
|
|
if (ep_mode == USB_EP_MODE_STREAMS) {
|
|
temp = XHCI_EPCTX_0_EPSTATE_SET(0) |
|
|
XHCI_EPCTX_0_MAXP_STREAMS_SET(XHCI_MAX_STREAMS_LOG - 1) |
|
|
XHCI_EPCTX_0_LSA_SET(1);
|
|
|
|
ring_addr += sizeof(struct xhci_trb) *
|
|
XHCI_MAX_TRANSFERS * XHCI_MAX_STREAMS;
|
|
} else {
|
|
temp = XHCI_EPCTX_0_EPSTATE_SET(0) |
|
|
XHCI_EPCTX_0_MAXP_STREAMS_SET(0) |
|
|
XHCI_EPCTX_0_LSA_SET(0);
|
|
|
|
ring_addr |= XHCI_EPCTX_2_DCS_SET(1);
|
|
}
|
|
|
|
switch (udev->speed) {
|
|
case USB_SPEED_FULL:
|
|
case USB_SPEED_LOW:
|
|
/* 1ms -> 125us */
|
|
fps_shift += 3;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (type) {
|
|
case UE_INTERRUPT:
|
|
if (fps_shift > 3)
|
|
fps_shift--;
|
|
temp |= XHCI_EPCTX_0_IVAL_SET(fps_shift);
|
|
break;
|
|
case UE_ISOCHRONOUS:
|
|
temp |= XHCI_EPCTX_0_IVAL_SET(fps_shift);
|
|
|
|
switch (udev->speed) {
|
|
case USB_SPEED_SUPER:
|
|
if (mult > 3)
|
|
mult = 3;
|
|
temp |= XHCI_EPCTX_0_MULT_SET(mult - 1);
|
|
max_packet_count /= mult;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_ep[epno - 1].dwEpCtx0, temp);
|
|
|
|
temp =
|
|
XHCI_EPCTX_1_HID_SET(0) |
|
|
XHCI_EPCTX_1_MAXB_SET(max_packet_count) |
|
|
XHCI_EPCTX_1_MAXP_SIZE_SET(max_packet_size);
|
|
|
|
if ((udev->parent_hs_hub != NULL) || (udev->address != 0)) {
|
|
if (type != UE_ISOCHRONOUS)
|
|
temp |= XHCI_EPCTX_1_CERR_SET(3);
|
|
}
|
|
|
|
switch (type) {
|
|
case UE_CONTROL:
|
|
temp |= XHCI_EPCTX_1_EPTYPE_SET(4);
|
|
break;
|
|
case UE_ISOCHRONOUS:
|
|
temp |= XHCI_EPCTX_1_EPTYPE_SET(1);
|
|
break;
|
|
case UE_BULK:
|
|
temp |= XHCI_EPCTX_1_EPTYPE_SET(2);
|
|
break;
|
|
default:
|
|
temp |= XHCI_EPCTX_1_EPTYPE_SET(3);
|
|
break;
|
|
}
|
|
|
|
/* check for IN direction */
|
|
if (epno & 1)
|
|
temp |= XHCI_EPCTX_1_EPTYPE_SET(4);
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_ep[epno - 1].dwEpCtx1, temp);
|
|
xhci_ctx_set_le64(sc, &pinp->ctx_ep[epno - 1].qwEpCtx2, ring_addr);
|
|
|
|
switch (edesc->bmAttributes & UE_XFERTYPE) {
|
|
case UE_INTERRUPT:
|
|
case UE_ISOCHRONOUS:
|
|
temp = XHCI_EPCTX_4_MAX_ESIT_PAYLOAD_SET(max_frame_size) |
|
|
XHCI_EPCTX_4_AVG_TRB_LEN_SET(MIN(XHCI_PAGE_SIZE,
|
|
max_frame_size));
|
|
break;
|
|
case UE_CONTROL:
|
|
temp = XHCI_EPCTX_4_AVG_TRB_LEN_SET(8);
|
|
break;
|
|
default:
|
|
temp = XHCI_EPCTX_4_AVG_TRB_LEN_SET(XHCI_PAGE_SIZE);
|
|
break;
|
|
}
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_ep[epno - 1].dwEpCtx4, temp);
|
|
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_endpoint(sc, &pinp->ctx_ep[epno - 1]);
|
|
#endif
|
|
usb_pc_cpu_flush(&sc->sc_hw.devs[index].input_pc);
|
|
|
|
return (0); /* success */
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_configure_endpoint_by_xfer(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_endpoint_ext *pepext;
|
|
struct usb_endpoint_ss_comp_descriptor *ecomp;
|
|
usb_stream_t x;
|
|
|
|
pepext = xhci_get_endpoint_ext(xfer->xroot->udev,
|
|
xfer->endpoint->edesc);
|
|
|
|
ecomp = xfer->endpoint->ecomp;
|
|
|
|
for (x = 0; x != XHCI_MAX_STREAMS; x++) {
|
|
uint64_t temp;
|
|
|
|
/* halt any transfers */
|
|
pepext->trb[x * XHCI_MAX_TRANSFERS].dwTrb3 = 0;
|
|
|
|
/* compute start of TRB ring for stream "x" */
|
|
temp = pepext->physaddr +
|
|
(x * XHCI_MAX_TRANSFERS * sizeof(struct xhci_trb)) +
|
|
XHCI_SCTX_0_SCT_SEC_TR_RING;
|
|
|
|
/* make tree structure */
|
|
pepext->trb[(XHCI_MAX_TRANSFERS *
|
|
XHCI_MAX_STREAMS) + x].qwTrb0 = htole64(temp);
|
|
|
|
/* reserved fields */
|
|
pepext->trb[(XHCI_MAX_TRANSFERS *
|
|
XHCI_MAX_STREAMS) + x].dwTrb2 = 0;
|
|
pepext->trb[(XHCI_MAX_TRANSFERS *
|
|
XHCI_MAX_STREAMS) + x].dwTrb3 = 0;
|
|
}
|
|
usb_pc_cpu_flush(pepext->page_cache);
|
|
|
|
return (xhci_configure_endpoint(xfer->xroot->udev,
|
|
xfer->endpoint->edesc, pepext->physaddr,
|
|
xfer->interval, xfer->max_packet_count,
|
|
(ecomp != NULL) ? UE_GET_SS_ISO_MULT(ecomp->bmAttributes) + 1 : 1,
|
|
usbd_xfer_get_fps_shift(xfer), xfer->max_packet_size,
|
|
xfer->max_frame_size, xfer->endpoint->ep_mode));
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_configure_device(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct usb_page_search buf_inp;
|
|
struct usb_page_cache *pcinp;
|
|
struct xhci_input_dev_ctx *pinp;
|
|
struct usb_device *hubdev;
|
|
uint32_t temp;
|
|
uint32_t route;
|
|
uint32_t rh_port;
|
|
uint8_t is_hub;
|
|
uint8_t index;
|
|
uint8_t depth;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
DPRINTF("index=%u\n", index);
|
|
|
|
pcinp = &sc->sc_hw.devs[index].input_pc;
|
|
|
|
usbd_get_page(pcinp, 0, &buf_inp);
|
|
|
|
pinp = buf_inp.buffer;
|
|
|
|
rh_port = 0;
|
|
route = 0;
|
|
|
|
/* figure out route string and root HUB port number */
|
|
|
|
for (hubdev = udev; hubdev != NULL; hubdev = hubdev->parent_hub) {
|
|
|
|
if (hubdev->parent_hub == NULL)
|
|
break;
|
|
|
|
depth = hubdev->parent_hub->depth;
|
|
|
|
/*
|
|
* NOTE: HS/FS/LS devices and the SS root HUB can have
|
|
* more than 15 ports
|
|
*/
|
|
|
|
rh_port = hubdev->port_no;
|
|
|
|
if (depth == 0)
|
|
break;
|
|
|
|
if (rh_port > 15)
|
|
rh_port = 15;
|
|
|
|
if (depth < 6)
|
|
route |= rh_port << (4 * (depth - 1));
|
|
}
|
|
|
|
DPRINTF("Route=0x%08x\n", route);
|
|
|
|
temp = XHCI_SCTX_0_ROUTE_SET(route) |
|
|
XHCI_SCTX_0_CTX_NUM_SET(
|
|
sc->sc_hw.devs[index].context_num + 1);
|
|
|
|
switch (udev->speed) {
|
|
case USB_SPEED_LOW:
|
|
temp |= XHCI_SCTX_0_SPEED_SET(2);
|
|
if (udev->parent_hs_hub != NULL &&
|
|
udev->parent_hs_hub->ddesc.bDeviceProtocol ==
|
|
UDPROTO_HSHUBMTT) {
|
|
DPRINTF("Device inherits MTT\n");
|
|
temp |= XHCI_SCTX_0_MTT_SET(1);
|
|
}
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
temp |= XHCI_SCTX_0_SPEED_SET(3);
|
|
if (sc->sc_hw.devs[index].nports != 0 &&
|
|
udev->ddesc.bDeviceProtocol == UDPROTO_HSHUBMTT) {
|
|
DPRINTF("HUB supports MTT\n");
|
|
temp |= XHCI_SCTX_0_MTT_SET(1);
|
|
}
|
|
break;
|
|
case USB_SPEED_FULL:
|
|
temp |= XHCI_SCTX_0_SPEED_SET(1);
|
|
if (udev->parent_hs_hub != NULL &&
|
|
udev->parent_hs_hub->ddesc.bDeviceProtocol ==
|
|
UDPROTO_HSHUBMTT) {
|
|
DPRINTF("Device inherits MTT\n");
|
|
temp |= XHCI_SCTX_0_MTT_SET(1);
|
|
}
|
|
break;
|
|
default:
|
|
temp |= XHCI_SCTX_0_SPEED_SET(4);
|
|
break;
|
|
}
|
|
|
|
is_hub = sc->sc_hw.devs[index].nports != 0 &&
|
|
(udev->speed == USB_SPEED_SUPER ||
|
|
udev->speed == USB_SPEED_HIGH);
|
|
|
|
if (is_hub)
|
|
temp |= XHCI_SCTX_0_HUB_SET(1);
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx0, temp);
|
|
|
|
temp = XHCI_SCTX_1_RH_PORT_SET(rh_port);
|
|
|
|
if (is_hub) {
|
|
temp |= XHCI_SCTX_1_NUM_PORTS_SET(
|
|
sc->sc_hw.devs[index].nports);
|
|
}
|
|
|
|
switch (udev->speed) {
|
|
case USB_SPEED_SUPER:
|
|
switch (sc->sc_hw.devs[index].state) {
|
|
case XHCI_ST_ADDRESSED:
|
|
case XHCI_ST_CONFIGURED:
|
|
/* enable power save */
|
|
temp |= XHCI_SCTX_1_MAX_EL_SET(sc->sc_exit_lat_max);
|
|
break;
|
|
default:
|
|
/* disable power save */
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx1, temp);
|
|
|
|
temp = XHCI_SCTX_2_IRQ_TARGET_SET(0);
|
|
|
|
if (is_hub) {
|
|
temp |= XHCI_SCTX_2_TT_THINK_TIME_SET(
|
|
sc->sc_hw.devs[index].tt);
|
|
}
|
|
|
|
hubdev = udev->parent_hs_hub;
|
|
|
|
/* check if we should activate the transaction translator */
|
|
switch (udev->speed) {
|
|
case USB_SPEED_FULL:
|
|
case USB_SPEED_LOW:
|
|
if (hubdev != NULL) {
|
|
temp |= XHCI_SCTX_2_TT_HUB_SID_SET(
|
|
hubdev->controller_slot_id);
|
|
temp |= XHCI_SCTX_2_TT_PORT_NUM_SET(
|
|
udev->hs_port_no);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx2, temp);
|
|
|
|
temp = XHCI_SCTX_3_DEV_ADDR_SET(udev->address) |
|
|
XHCI_SCTX_3_SLOT_STATE_SET(0);
|
|
|
|
xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx3, temp);
|
|
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_device(sc, &pinp->ctx_slot);
|
|
#endif
|
|
usb_pc_cpu_flush(pcinp);
|
|
|
|
return (0); /* success */
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_alloc_device_ext(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct usb_page_search buf_dev;
|
|
struct usb_page_search buf_ep;
|
|
struct xhci_trb *trb;
|
|
struct usb_page_cache *pc;
|
|
struct usb_page *pg;
|
|
uint64_t addr;
|
|
uint8_t index;
|
|
uint8_t i;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
pc = &sc->sc_hw.devs[index].device_pc;
|
|
pg = &sc->sc_hw.devs[index].device_pg;
|
|
|
|
/* need to initialize the page cache */
|
|
pc->tag_parent = sc->sc_bus.dma_parent_tag;
|
|
|
|
if (usb_pc_alloc_mem(pc, pg, sc->sc_ctx_is_64_byte ?
|
|
(2 * sizeof(struct xhci_dev_ctx)) :
|
|
sizeof(struct xhci_dev_ctx), XHCI_PAGE_SIZE))
|
|
goto error;
|
|
|
|
usbd_get_page(pc, 0, &buf_dev);
|
|
|
|
pc = &sc->sc_hw.devs[index].input_pc;
|
|
pg = &sc->sc_hw.devs[index].input_pg;
|
|
|
|
/* need to initialize the page cache */
|
|
pc->tag_parent = sc->sc_bus.dma_parent_tag;
|
|
|
|
if (usb_pc_alloc_mem(pc, pg, sc->sc_ctx_is_64_byte ?
|
|
(2 * sizeof(struct xhci_input_dev_ctx)) :
|
|
sizeof(struct xhci_input_dev_ctx), XHCI_PAGE_SIZE)) {
|
|
goto error;
|
|
}
|
|
|
|
pc = &sc->sc_hw.devs[index].endpoint_pc;
|
|
pg = &sc->sc_hw.devs[index].endpoint_pg;
|
|
|
|
/* need to initialize the page cache */
|
|
pc->tag_parent = sc->sc_bus.dma_parent_tag;
|
|
|
|
if (usb_pc_alloc_mem(pc, pg,
|
|
sizeof(struct xhci_dev_endpoint_trbs), XHCI_PAGE_SIZE)) {
|
|
goto error;
|
|
}
|
|
|
|
/* initialise all endpoint LINK TRBs */
|
|
|
|
for (i = 0; i != XHCI_MAX_ENDPOINTS; i++) {
|
|
|
|
/* lookup endpoint TRB ring */
|
|
usbd_get_page(pc, (uintptr_t)&
|
|
((struct xhci_dev_endpoint_trbs *)0)->trb[i][0], &buf_ep);
|
|
|
|
/* get TRB pointer */
|
|
trb = buf_ep.buffer;
|
|
trb += XHCI_MAX_TRANSFERS - 1;
|
|
|
|
/* get TRB start address */
|
|
addr = buf_ep.physaddr;
|
|
|
|
/* create LINK TRB */
|
|
trb->qwTrb0 = htole64(addr);
|
|
trb->dwTrb2 = htole32(XHCI_TRB_2_IRQ_SET(0));
|
|
trb->dwTrb3 = htole32(XHCI_TRB_3_CYCLE_BIT |
|
|
XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK));
|
|
}
|
|
|
|
usb_pc_cpu_flush(pc);
|
|
|
|
xhci_set_slot_pointer(sc, index, buf_dev.physaddr);
|
|
|
|
return (0);
|
|
|
|
error:
|
|
xhci_free_device_ext(udev);
|
|
|
|
return (USB_ERR_NOMEM);
|
|
}
|
|
|
|
static void
|
|
xhci_free_device_ext(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
uint8_t index;
|
|
|
|
index = udev->controller_slot_id;
|
|
xhci_set_slot_pointer(sc, index, 0);
|
|
|
|
usb_pc_free_mem(&sc->sc_hw.devs[index].device_pc);
|
|
usb_pc_free_mem(&sc->sc_hw.devs[index].input_pc);
|
|
usb_pc_free_mem(&sc->sc_hw.devs[index].endpoint_pc);
|
|
}
|
|
|
|
static struct xhci_endpoint_ext *
|
|
xhci_get_endpoint_ext(struct usb_device *udev, struct usb_endpoint_descriptor *edesc)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct xhci_endpoint_ext *pepext;
|
|
struct usb_page_cache *pc;
|
|
struct usb_page_search buf_ep;
|
|
uint8_t epno;
|
|
uint8_t index;
|
|
|
|
epno = edesc->bEndpointAddress;
|
|
if ((edesc->bmAttributes & UE_XFERTYPE) == UE_CONTROL)
|
|
epno |= UE_DIR_IN;
|
|
|
|
epno = XHCI_EPNO2EPID(epno);
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
pc = &sc->sc_hw.devs[index].endpoint_pc;
|
|
|
|
usbd_get_page(pc, (uintptr_t)&((struct xhci_dev_endpoint_trbs *)0)->
|
|
trb[epno][0], &buf_ep);
|
|
|
|
pepext = &sc->sc_hw.devs[index].endp[epno];
|
|
pepext->page_cache = pc;
|
|
pepext->trb = buf_ep.buffer;
|
|
pepext->physaddr = buf_ep.physaddr;
|
|
|
|
return (pepext);
|
|
}
|
|
|
|
static void
|
|
xhci_endpoint_doorbell(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus);
|
|
uint8_t epno;
|
|
uint8_t index;
|
|
|
|
epno = xfer->endpointno;
|
|
if (xfer->flags_int.control_xfr)
|
|
epno |= UE_DIR_IN;
|
|
|
|
epno = XHCI_EPNO2EPID(epno);
|
|
index = xfer->xroot->udev->controller_slot_id;
|
|
|
|
if (xfer->xroot->udev->flags.self_suspended == 0) {
|
|
XWRITE4(sc, door, XHCI_DOORBELL(index),
|
|
epno | XHCI_DB_SID_SET(xfer->stream_id));
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_transfer_remove(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct xhci_endpoint_ext *pepext;
|
|
|
|
if (xfer->flags_int.bandwidth_reclaimed) {
|
|
xfer->flags_int.bandwidth_reclaimed = 0;
|
|
|
|
pepext = xhci_get_endpoint_ext(xfer->xroot->udev,
|
|
xfer->endpoint->edesc);
|
|
|
|
pepext->trb_used[xfer->stream_id]--;
|
|
|
|
pepext->xfer[xfer->qh_pos] = NULL;
|
|
|
|
if (error && pepext->trb_running != 0) {
|
|
pepext->trb_halted = 1;
|
|
pepext->trb_running = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_transfer_insert(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_td *td_first;
|
|
struct xhci_td *td_last;
|
|
struct xhci_endpoint_ext *pepext;
|
|
uint64_t addr;
|
|
usb_stream_t id;
|
|
uint8_t i;
|
|
uint8_t inext;
|
|
uint8_t trb_limit;
|
|
|
|
DPRINTFN(8, "\n");
|
|
|
|
id = xfer->stream_id;
|
|
|
|
/* check if already inserted */
|
|
if (xfer->flags_int.bandwidth_reclaimed) {
|
|
DPRINTFN(8, "Already in schedule\n");
|
|
return (0);
|
|
}
|
|
|
|
pepext = xhci_get_endpoint_ext(xfer->xroot->udev,
|
|
xfer->endpoint->edesc);
|
|
|
|
td_first = xfer->td_transfer_first;
|
|
td_last = xfer->td_transfer_last;
|
|
addr = pepext->physaddr;
|
|
|
|
switch (xfer->endpoint->edesc->bmAttributes & UE_XFERTYPE) {
|
|
case UE_CONTROL:
|
|
case UE_INTERRUPT:
|
|
/* single buffered */
|
|
trb_limit = 1;
|
|
break;
|
|
default:
|
|
/* multi buffered */
|
|
trb_limit = (XHCI_MAX_TRANSFERS - 2);
|
|
break;
|
|
}
|
|
|
|
if (pepext->trb_used[id] >= trb_limit) {
|
|
DPRINTFN(8, "Too many TDs queued.\n");
|
|
return (USB_ERR_NOMEM);
|
|
}
|
|
|
|
/* check for stopped condition, after putting transfer on interrupt queue */
|
|
if (pepext->trb_running == 0) {
|
|
struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus);
|
|
|
|
DPRINTFN(8, "Not running\n");
|
|
|
|
/* start configuration */
|
|
(void)usb_proc_msignal(&sc->sc_config_proc,
|
|
&sc->sc_config_msg[0], &sc->sc_config_msg[1]);
|
|
return (0);
|
|
}
|
|
|
|
pepext->trb_used[id]++;
|
|
|
|
/* get current TRB index */
|
|
i = pepext->trb_index[id];
|
|
|
|
/* get next TRB index */
|
|
inext = (i + 1);
|
|
|
|
/* the last entry of the ring is a hardcoded link TRB */
|
|
if (inext >= (XHCI_MAX_TRANSFERS - 1))
|
|
inext = 0;
|
|
|
|
/* offset for stream */
|
|
i += id * XHCI_MAX_TRANSFERS;
|
|
inext += id * XHCI_MAX_TRANSFERS;
|
|
|
|
/* compute terminating return address */
|
|
addr += (inext * sizeof(struct xhci_trb));
|
|
|
|
/* update next pointer of last link TRB */
|
|
td_last->td_trb[td_last->ntrb].qwTrb0 = htole64(addr);
|
|
td_last->td_trb[td_last->ntrb].dwTrb2 = htole32(XHCI_TRB_2_IRQ_SET(0));
|
|
td_last->td_trb[td_last->ntrb].dwTrb3 = htole32(XHCI_TRB_3_IOC_BIT |
|
|
XHCI_TRB_3_CYCLE_BIT | XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK));
|
|
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_trb(&td_last->td_trb[td_last->ntrb]);
|
|
#endif
|
|
usb_pc_cpu_flush(td_last->page_cache);
|
|
|
|
/* write ahead chain end marker */
|
|
|
|
pepext->trb[inext].qwTrb0 = 0;
|
|
pepext->trb[inext].dwTrb2 = 0;
|
|
pepext->trb[inext].dwTrb3 = 0;
|
|
|
|
/* update next pointer of link TRB */
|
|
|
|
pepext->trb[i].qwTrb0 = htole64((uint64_t)td_first->td_self);
|
|
pepext->trb[i].dwTrb2 = htole32(XHCI_TRB_2_IRQ_SET(0));
|
|
|
|
#ifdef USB_DEBUG
|
|
xhci_dump_trb(&pepext->trb[i]);
|
|
#endif
|
|
usb_pc_cpu_flush(pepext->page_cache);
|
|
|
|
/* toggle cycle bit which activates the transfer chain */
|
|
|
|
pepext->trb[i].dwTrb3 = htole32(XHCI_TRB_3_CYCLE_BIT |
|
|
XHCI_TRB_3_TYPE_SET(XHCI_TRB_TYPE_LINK));
|
|
|
|
usb_pc_cpu_flush(pepext->page_cache);
|
|
|
|
DPRINTF("qh_pos = %u\n", i);
|
|
|
|
pepext->xfer[i] = xfer;
|
|
|
|
xfer->qh_pos = i;
|
|
|
|
xfer->flags_int.bandwidth_reclaimed = 1;
|
|
|
|
pepext->trb_index[id] = inext;
|
|
|
|
xhci_endpoint_doorbell(xfer);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
xhci_root_intr(struct xhci_softc *sc)
|
|
{
|
|
uint16_t i;
|
|
|
|
USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED);
|
|
|
|
/* clear any old interrupt data */
|
|
memset(sc->sc_hub_idata, 0, sizeof(sc->sc_hub_idata));
|
|
|
|
for (i = 1; i <= sc->sc_noport; i++) {
|
|
/* pick out CHANGE bits from the status register */
|
|
if (XREAD4(sc, oper, XHCI_PORTSC(i)) & (
|
|
XHCI_PS_CSC | XHCI_PS_PEC |
|
|
XHCI_PS_OCC | XHCI_PS_WRC |
|
|
XHCI_PS_PRC | XHCI_PS_PLC |
|
|
XHCI_PS_CEC)) {
|
|
sc->sc_hub_idata[i / 8] |= 1 << (i % 8);
|
|
DPRINTF("port %d changed\n", i);
|
|
}
|
|
}
|
|
uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata,
|
|
sizeof(sc->sc_hub_idata));
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* xhci_device_done - XHCI done handler
|
|
*
|
|
* NOTE: This function can be called two times in a row on
|
|
* the same USB transfer. From close and from interrupt.
|
|
*------------------------------------------------------------------------*/
|
|
static void
|
|
xhci_device_done(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n",
|
|
xfer, xfer->endpoint, error);
|
|
|
|
/* remove transfer from HW queue */
|
|
xhci_transfer_remove(xfer, error);
|
|
|
|
/* dequeue transfer and start next transfer */
|
|
usbd_transfer_done(xfer, error);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* XHCI data transfer support (generic type)
|
|
*------------------------------------------------------------------------*/
|
|
static void
|
|
xhci_device_generic_open(struct usb_xfer *xfer)
|
|
{
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
switch (xfer->xroot->udev->speed) {
|
|
case USB_SPEED_FULL:
|
|
break;
|
|
default:
|
|
usb_hs_bandwidth_alloc(xfer);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_device_generic_close(struct usb_xfer *xfer)
|
|
{
|
|
DPRINTF("\n");
|
|
|
|
xhci_device_done(xfer, USB_ERR_CANCELLED);
|
|
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
switch (xfer->xroot->udev->speed) {
|
|
case USB_SPEED_FULL:
|
|
break;
|
|
default:
|
|
usb_hs_bandwidth_free(xfer);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_device_generic_multi_enter(struct usb_endpoint *ep,
|
|
usb_stream_t stream_id, struct usb_xfer *enter_xfer)
|
|
{
|
|
struct usb_xfer *xfer;
|
|
|
|
/* check if there is a current transfer */
|
|
xfer = ep->endpoint_q[stream_id].curr;
|
|
if (xfer == NULL)
|
|
return;
|
|
|
|
/*
|
|
* Check if the current transfer is started and then pickup
|
|
* the next one, if any. Else wait for next start event due to
|
|
* block on failure feature.
|
|
*/
|
|
if (!xfer->flags_int.bandwidth_reclaimed)
|
|
return;
|
|
|
|
xfer = TAILQ_FIRST(&ep->endpoint_q[stream_id].head);
|
|
if (xfer == NULL) {
|
|
/*
|
|
* In case of enter we have to consider that the
|
|
* transfer is queued by the USB core after the enter
|
|
* method is called.
|
|
*/
|
|
xfer = enter_xfer;
|
|
|
|
if (xfer == NULL)
|
|
return;
|
|
}
|
|
|
|
/* try to multi buffer */
|
|
xhci_transfer_insert(xfer);
|
|
}
|
|
|
|
static void
|
|
xhci_device_generic_enter(struct usb_xfer *xfer)
|
|
{
|
|
DPRINTF("\n");
|
|
|
|
/* setup TD's and QH */
|
|
xhci_setup_generic_chain(xfer);
|
|
|
|
xhci_device_generic_multi_enter(xfer->endpoint,
|
|
xfer->stream_id, xfer);
|
|
}
|
|
|
|
static void
|
|
xhci_device_generic_start(struct usb_xfer *xfer)
|
|
{
|
|
DPRINTF("\n");
|
|
|
|
/* try to insert xfer on HW queue */
|
|
xhci_transfer_insert(xfer);
|
|
|
|
/* try to multi buffer */
|
|
xhci_device_generic_multi_enter(xfer->endpoint,
|
|
xfer->stream_id, NULL);
|
|
|
|
/* add transfer last on interrupt queue */
|
|
usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer);
|
|
|
|
/* start timeout, if any */
|
|
if (xfer->timeout != 0)
|
|
usbd_transfer_timeout_ms(xfer, &xhci_timeout, xfer->timeout);
|
|
}
|
|
|
|
struct usb_pipe_methods xhci_device_generic_methods =
|
|
{
|
|
.open = xhci_device_generic_open,
|
|
.close = xhci_device_generic_close,
|
|
.enter = xhci_device_generic_enter,
|
|
.start = xhci_device_generic_start,
|
|
};
|
|
|
|
/*------------------------------------------------------------------------*
|
|
* xhci root HUB support
|
|
*------------------------------------------------------------------------*
|
|
* Simulate a hardware HUB by handling all the necessary requests.
|
|
*------------------------------------------------------------------------*/
|
|
|
|
#define HSETW(ptr, val) ptr = { (uint8_t)(val), (uint8_t)((val) >> 8) }
|
|
|
|
static const
|
|
struct usb_device_descriptor xhci_devd =
|
|
{
|
|
.bLength = sizeof(xhci_devd),
|
|
.bDescriptorType = UDESC_DEVICE, /* type */
|
|
HSETW(.bcdUSB, 0x0300), /* USB version */
|
|
.bDeviceClass = UDCLASS_HUB, /* class */
|
|
.bDeviceSubClass = UDSUBCLASS_HUB, /* subclass */
|
|
.bDeviceProtocol = UDPROTO_SSHUB, /* protocol */
|
|
.bMaxPacketSize = 9, /* max packet size */
|
|
HSETW(.idVendor, 0x0000), /* vendor */
|
|
HSETW(.idProduct, 0x0000), /* product */
|
|
HSETW(.bcdDevice, 0x0100), /* device version */
|
|
.iManufacturer = 1,
|
|
.iProduct = 2,
|
|
.iSerialNumber = 0,
|
|
.bNumConfigurations = 1, /* # of configurations */
|
|
};
|
|
|
|
static const
|
|
struct xhci_bos_desc xhci_bosd = {
|
|
.bosd = {
|
|
.bLength = sizeof(xhci_bosd.bosd),
|
|
.bDescriptorType = UDESC_BOS,
|
|
HSETW(.wTotalLength, sizeof(xhci_bosd)),
|
|
.bNumDeviceCaps = 3,
|
|
},
|
|
.usb2extd = {
|
|
.bLength = sizeof(xhci_bosd.usb2extd),
|
|
.bDescriptorType = 1,
|
|
.bDevCapabilityType = 2,
|
|
.bmAttributes[0] = 2,
|
|
},
|
|
.usbdcd = {
|
|
.bLength = sizeof(xhci_bosd.usbdcd),
|
|
.bDescriptorType = UDESC_DEVICE_CAPABILITY,
|
|
.bDevCapabilityType = 3,
|
|
.bmAttributes = 0, /* XXX */
|
|
HSETW(.wSpeedsSupported, 0x000C),
|
|
.bFunctionalitySupport = 8,
|
|
.bU1DevExitLat = 255, /* dummy - not used */
|
|
.wU2DevExitLat = { 0x00, 0x08 },
|
|
},
|
|
.cidd = {
|
|
.bLength = sizeof(xhci_bosd.cidd),
|
|
.bDescriptorType = 1,
|
|
.bDevCapabilityType = 4,
|
|
.bReserved = 0,
|
|
.bContainerID = 0, /* XXX */
|
|
},
|
|
};
|
|
|
|
static const
|
|
struct xhci_config_desc xhci_confd = {
|
|
.confd = {
|
|
.bLength = sizeof(xhci_confd.confd),
|
|
.bDescriptorType = UDESC_CONFIG,
|
|
.wTotalLength[0] = sizeof(xhci_confd),
|
|
.bNumInterface = 1,
|
|
.bConfigurationValue = 1,
|
|
.iConfiguration = 0,
|
|
.bmAttributes = UC_SELF_POWERED,
|
|
.bMaxPower = 0 /* max power */
|
|
},
|
|
.ifcd = {
|
|
.bLength = sizeof(xhci_confd.ifcd),
|
|
.bDescriptorType = UDESC_INTERFACE,
|
|
.bNumEndpoints = 1,
|
|
.bInterfaceClass = UICLASS_HUB,
|
|
.bInterfaceSubClass = UISUBCLASS_HUB,
|
|
.bInterfaceProtocol = 0,
|
|
},
|
|
.endpd = {
|
|
.bLength = sizeof(xhci_confd.endpd),
|
|
.bDescriptorType = UDESC_ENDPOINT,
|
|
.bEndpointAddress = UE_DIR_IN | XHCI_INTR_ENDPT,
|
|
.bmAttributes = UE_INTERRUPT,
|
|
.wMaxPacketSize[0] = 2, /* max 15 ports */
|
|
.bInterval = 255,
|
|
},
|
|
.endpcd = {
|
|
.bLength = sizeof(xhci_confd.endpcd),
|
|
.bDescriptorType = UDESC_ENDPOINT_SS_COMP,
|
|
.bMaxBurst = 0,
|
|
.bmAttributes = 0,
|
|
},
|
|
};
|
|
|
|
static const
|
|
struct usb_hub_ss_descriptor xhci_hubd = {
|
|
.bLength = sizeof(xhci_hubd),
|
|
.bDescriptorType = UDESC_SS_HUB,
|
|
};
|
|
|
|
static usb_error_t
|
|
xhci_roothub_exec(struct usb_device *udev,
|
|
struct usb_device_request *req, const void **pptr, uint16_t *plength)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
const char *str_ptr;
|
|
const void *ptr;
|
|
uint32_t port;
|
|
uint32_t v;
|
|
uint16_t len;
|
|
uint16_t i;
|
|
uint16_t value;
|
|
uint16_t index;
|
|
uint8_t j;
|
|
usb_error_t err;
|
|
|
|
USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED);
|
|
|
|
/* buffer reset */
|
|
ptr = (const void *)&sc->sc_hub_desc;
|
|
len = 0;
|
|
err = 0;
|
|
|
|
value = UGETW(req->wValue);
|
|
index = UGETW(req->wIndex);
|
|
|
|
DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x "
|
|
"wValue=0x%04x wIndex=0x%04x\n",
|
|
req->bmRequestType, req->bRequest,
|
|
UGETW(req->wLength), value, index);
|
|
|
|
#define C(x,y) ((x) | ((y) << 8))
|
|
switch (C(req->bRequest, req->bmRequestType)) {
|
|
case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
|
|
case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
|
|
case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
|
|
/*
|
|
* DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops
|
|
* for the integrated root hub.
|
|
*/
|
|
break;
|
|
case C(UR_GET_CONFIG, UT_READ_DEVICE):
|
|
len = 1;
|
|
sc->sc_hub_desc.temp[0] = sc->sc_conf;
|
|
break;
|
|
case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
|
|
switch (value >> 8) {
|
|
case UDESC_DEVICE:
|
|
if ((value & 0xff) != 0) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
len = sizeof(xhci_devd);
|
|
ptr = (const void *)&xhci_devd;
|
|
break;
|
|
|
|
case UDESC_BOS:
|
|
if ((value & 0xff) != 0) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
len = sizeof(xhci_bosd);
|
|
ptr = (const void *)&xhci_bosd;
|
|
break;
|
|
|
|
case UDESC_CONFIG:
|
|
if ((value & 0xff) != 0) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
len = sizeof(xhci_confd);
|
|
ptr = (const void *)&xhci_confd;
|
|
break;
|
|
|
|
case UDESC_STRING:
|
|
switch (value & 0xff) {
|
|
case 0: /* Language table */
|
|
str_ptr = "\001";
|
|
break;
|
|
|
|
case 1: /* Vendor */
|
|
str_ptr = sc->sc_vendor;
|
|
break;
|
|
|
|
case 2: /* Product */
|
|
str_ptr = "XHCI root HUB";
|
|
break;
|
|
|
|
default:
|
|
str_ptr = "";
|
|
break;
|
|
}
|
|
|
|
len = usb_make_str_desc(
|
|
sc->sc_hub_desc.temp,
|
|
sizeof(sc->sc_hub_desc.temp),
|
|
str_ptr);
|
|
break;
|
|
|
|
default:
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
break;
|
|
case C(UR_GET_INTERFACE, UT_READ_INTERFACE):
|
|
len = 1;
|
|
sc->sc_hub_desc.temp[0] = 0;
|
|
break;
|
|
case C(UR_GET_STATUS, UT_READ_DEVICE):
|
|
len = 2;
|
|
USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED);
|
|
break;
|
|
case C(UR_GET_STATUS, UT_READ_INTERFACE):
|
|
case C(UR_GET_STATUS, UT_READ_ENDPOINT):
|
|
len = 2;
|
|
USETW(sc->sc_hub_desc.stat.wStatus, 0);
|
|
break;
|
|
case C(UR_SET_ADDRESS, UT_WRITE_DEVICE):
|
|
if (value >= XHCI_MAX_DEVICES) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
break;
|
|
case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
|
|
if (value != 0 && value != 1) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
sc->sc_conf = value;
|
|
break;
|
|
case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
|
|
break;
|
|
case C(UR_SET_FEATURE, UT_WRITE_DEVICE):
|
|
case C(UR_SET_FEATURE, UT_WRITE_INTERFACE):
|
|
case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
|
|
break;
|
|
case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
|
|
break;
|
|
/* Hub requests */
|
|
case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
|
|
break;
|
|
case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
|
|
DPRINTFN(9, "UR_CLEAR_PORT_FEATURE\n");
|
|
|
|
if ((index < 1) ||
|
|
(index > sc->sc_noport)) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
port = XHCI_PORTSC(index);
|
|
|
|
v = XREAD4(sc, oper, port);
|
|
i = XHCI_PS_PLS_GET(v);
|
|
v &= ~XHCI_PS_CLEAR;
|
|
|
|
switch (value) {
|
|
case UHF_C_BH_PORT_RESET:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_WRC);
|
|
break;
|
|
case UHF_C_PORT_CONFIG_ERROR:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_CEC);
|
|
break;
|
|
case UHF_C_PORT_SUSPEND:
|
|
case UHF_C_PORT_LINK_STATE:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_PLC);
|
|
break;
|
|
case UHF_C_PORT_CONNECTION:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_CSC);
|
|
break;
|
|
case UHF_C_PORT_ENABLE:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_PEC);
|
|
break;
|
|
case UHF_C_PORT_OVER_CURRENT:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_OCC);
|
|
break;
|
|
case UHF_C_PORT_RESET:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_PRC);
|
|
break;
|
|
case UHF_PORT_ENABLE:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_PED);
|
|
break;
|
|
case UHF_PORT_POWER:
|
|
XWRITE4(sc, oper, port, v & ~XHCI_PS_PP);
|
|
break;
|
|
case UHF_PORT_INDICATOR:
|
|
XWRITE4(sc, oper, port, v & ~XHCI_PS_PIC_SET(3));
|
|
break;
|
|
case UHF_PORT_SUSPEND:
|
|
|
|
/* U3 -> U15 */
|
|
if (i == 3) {
|
|
XWRITE4(sc, oper, port, v |
|
|
XHCI_PS_PLS_SET(0xF) | XHCI_PS_LWS);
|
|
}
|
|
|
|
/* wait 20ms for resume sequence to complete */
|
|
usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 50);
|
|
|
|
/* U0 */
|
|
XWRITE4(sc, oper, port, v |
|
|
XHCI_PS_PLS_SET(0) | XHCI_PS_LWS);
|
|
break;
|
|
default:
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
break;
|
|
|
|
case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
|
|
if ((value & 0xff) != 0) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
|
|
v = XREAD4(sc, capa, XHCI_HCSPARAMS0);
|
|
|
|
sc->sc_hub_desc.hubd = xhci_hubd;
|
|
|
|
sc->sc_hub_desc.hubd.bNbrPorts = sc->sc_noport;
|
|
|
|
if (XHCI_HCS0_PPC(v))
|
|
i = UHD_PWR_INDIVIDUAL;
|
|
else
|
|
i = UHD_PWR_GANGED;
|
|
|
|
if (XHCI_HCS0_PIND(v))
|
|
i |= UHD_PORT_IND;
|
|
|
|
i |= UHD_OC_INDIVIDUAL;
|
|
|
|
USETW(sc->sc_hub_desc.hubd.wHubCharacteristics, i);
|
|
|
|
/* see XHCI section 5.4.9: */
|
|
sc->sc_hub_desc.hubd.bPwrOn2PwrGood = 10;
|
|
|
|
for (j = 1; j <= sc->sc_noport; j++) {
|
|
|
|
v = XREAD4(sc, oper, XHCI_PORTSC(j));
|
|
if (v & XHCI_PS_DR) {
|
|
sc->sc_hub_desc.hubd.
|
|
DeviceRemovable[j / 8] |= 1U << (j % 8);
|
|
}
|
|
}
|
|
len = sc->sc_hub_desc.hubd.bLength;
|
|
break;
|
|
|
|
case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
|
|
len = 16;
|
|
memset(sc->sc_hub_desc.temp, 0, 16);
|
|
break;
|
|
|
|
case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
|
|
DPRINTFN(9, "UR_GET_STATUS i=%d\n", index);
|
|
|
|
if ((index < 1) ||
|
|
(index > sc->sc_noport)) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
|
|
v = XREAD4(sc, oper, XHCI_PORTSC(index));
|
|
|
|
DPRINTFN(9, "port status=0x%08x\n", v);
|
|
|
|
i = UPS_PORT_LINK_STATE_SET(XHCI_PS_PLS_GET(v));
|
|
|
|
switch (XHCI_PS_SPEED_GET(v)) {
|
|
case 3:
|
|
i |= UPS_HIGH_SPEED;
|
|
break;
|
|
case 2:
|
|
i |= UPS_LOW_SPEED;
|
|
break;
|
|
case 1:
|
|
/* FULL speed */
|
|
break;
|
|
default:
|
|
i |= UPS_OTHER_SPEED;
|
|
break;
|
|
}
|
|
|
|
if (v & XHCI_PS_CCS)
|
|
i |= UPS_CURRENT_CONNECT_STATUS;
|
|
if (v & XHCI_PS_PED)
|
|
i |= UPS_PORT_ENABLED;
|
|
if (v & XHCI_PS_OCA)
|
|
i |= UPS_OVERCURRENT_INDICATOR;
|
|
if (v & XHCI_PS_PR)
|
|
i |= UPS_RESET;
|
|
if (v & XHCI_PS_PP) {
|
|
/*
|
|
* The USB 3.0 RH is using the
|
|
* USB 2.0's power bit
|
|
*/
|
|
i |= UPS_PORT_POWER;
|
|
}
|
|
USETW(sc->sc_hub_desc.ps.wPortStatus, i);
|
|
|
|
i = 0;
|
|
if (v & XHCI_PS_CSC)
|
|
i |= UPS_C_CONNECT_STATUS;
|
|
if (v & XHCI_PS_PEC)
|
|
i |= UPS_C_PORT_ENABLED;
|
|
if (v & XHCI_PS_OCC)
|
|
i |= UPS_C_OVERCURRENT_INDICATOR;
|
|
if (v & XHCI_PS_WRC)
|
|
i |= UPS_C_BH_PORT_RESET;
|
|
if (v & XHCI_PS_PRC)
|
|
i |= UPS_C_PORT_RESET;
|
|
if (v & XHCI_PS_PLC)
|
|
i |= UPS_C_PORT_LINK_STATE;
|
|
if (v & XHCI_PS_CEC)
|
|
i |= UPS_C_PORT_CONFIG_ERROR;
|
|
|
|
USETW(sc->sc_hub_desc.ps.wPortChange, i);
|
|
len = sizeof(sc->sc_hub_desc.ps);
|
|
break;
|
|
|
|
case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
|
|
case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
|
|
break;
|
|
|
|
case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
|
|
|
|
i = index >> 8;
|
|
index &= 0x00FF;
|
|
|
|
if ((index < 1) ||
|
|
(index > sc->sc_noport)) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
|
|
port = XHCI_PORTSC(index);
|
|
v = XREAD4(sc, oper, port) & ~XHCI_PS_CLEAR;
|
|
|
|
switch (value) {
|
|
case UHF_PORT_U1_TIMEOUT:
|
|
if (XHCI_PS_SPEED_GET(v) != 4) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
port = XHCI_PORTPMSC(index);
|
|
v = XREAD4(sc, oper, port);
|
|
v &= ~XHCI_PM3_U1TO_SET(0xFF);
|
|
v |= XHCI_PM3_U1TO_SET(i);
|
|
XWRITE4(sc, oper, port, v);
|
|
break;
|
|
case UHF_PORT_U2_TIMEOUT:
|
|
if (XHCI_PS_SPEED_GET(v) != 4) {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
port = XHCI_PORTPMSC(index);
|
|
v = XREAD4(sc, oper, port);
|
|
v &= ~XHCI_PM3_U2TO_SET(0xFF);
|
|
v |= XHCI_PM3_U2TO_SET(i);
|
|
XWRITE4(sc, oper, port, v);
|
|
break;
|
|
case UHF_BH_PORT_RESET:
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_WPR);
|
|
break;
|
|
case UHF_PORT_LINK_STATE:
|
|
XWRITE4(sc, oper, port, v |
|
|
XHCI_PS_PLS_SET(i) | XHCI_PS_LWS);
|
|
/* 4ms settle time */
|
|
usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 250);
|
|
break;
|
|
case UHF_PORT_ENABLE:
|
|
DPRINTFN(3, "set port enable %d\n", index);
|
|
break;
|
|
case UHF_PORT_SUSPEND:
|
|
DPRINTFN(6, "suspend port %u (LPM=%u)\n", index, i);
|
|
j = XHCI_PS_SPEED_GET(v);
|
|
if ((j < 1) || (j > 3)) {
|
|
/* non-supported speed */
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
XWRITE4(sc, oper, port, v |
|
|
XHCI_PS_PLS_SET(i ? 2 /* LPM */ : 3) | XHCI_PS_LWS);
|
|
break;
|
|
case UHF_PORT_RESET:
|
|
DPRINTFN(6, "reset port %d\n", index);
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_PR);
|
|
break;
|
|
case UHF_PORT_POWER:
|
|
DPRINTFN(3, "set port power %d\n", index);
|
|
XWRITE4(sc, oper, port, v | XHCI_PS_PP);
|
|
break;
|
|
case UHF_PORT_TEST:
|
|
DPRINTFN(3, "set port test %d\n", index);
|
|
break;
|
|
case UHF_PORT_INDICATOR:
|
|
DPRINTFN(3, "set port indicator %d\n", index);
|
|
|
|
v &= ~XHCI_PS_PIC_SET(3);
|
|
v |= XHCI_PS_PIC_SET(1);
|
|
|
|
XWRITE4(sc, oper, port, v);
|
|
break;
|
|
default:
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
break;
|
|
|
|
case C(UR_CLEAR_TT_BUFFER, UT_WRITE_CLASS_OTHER):
|
|
case C(UR_RESET_TT, UT_WRITE_CLASS_OTHER):
|
|
case C(UR_GET_TT_STATE, UT_READ_CLASS_OTHER):
|
|
case C(UR_STOP_TT, UT_WRITE_CLASS_OTHER):
|
|
break;
|
|
default:
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
done:
|
|
*plength = len;
|
|
*pptr = ptr;
|
|
return (err);
|
|
}
|
|
|
|
static void
|
|
xhci_xfer_setup(struct usb_setup_params *parm)
|
|
{
|
|
struct usb_page_search page_info;
|
|
struct usb_page_cache *pc;
|
|
struct xhci_softc *sc;
|
|
struct usb_xfer *xfer;
|
|
void *last_obj;
|
|
uint32_t ntd;
|
|
uint32_t n;
|
|
|
|
sc = XHCI_BUS2SC(parm->udev->bus);
|
|
xfer = parm->curr_xfer;
|
|
|
|
/*
|
|
* The proof for the "ntd" formula is illustrated like this:
|
|
*
|
|
* +------------------------------------+
|
|
* | |
|
|
* | |remainder -> |
|
|
* | +-----+---+ |
|
|
* | | xxx | x | frm 0 |
|
|
* | +-----+---++ |
|
|
* | | xxx | xx | frm 1 |
|
|
* | +-----+----+ |
|
|
* | ... |
|
|
* +------------------------------------+
|
|
*
|
|
* "xxx" means a completely full USB transfer descriptor
|
|
*
|
|
* "x" and "xx" means a short USB packet
|
|
*
|
|
* For the remainder of an USB transfer modulo
|
|
* "max_data_length" we need two USB transfer descriptors.
|
|
* One to transfer the remaining data and one to finalise with
|
|
* a zero length packet in case the "force_short_xfer" flag is
|
|
* set. We only need two USB transfer descriptors in the case
|
|
* where the transfer length of the first one is a factor of
|
|
* "max_frame_size". The rest of the needed USB transfer
|
|
* descriptors is given by the buffer size divided by the
|
|
* maximum data payload.
|
|
*/
|
|
parm->hc_max_packet_size = 0x400;
|
|
parm->hc_max_packet_count = 16 * 3;
|
|
parm->hc_max_frame_size = XHCI_TD_PAYLOAD_MAX;
|
|
|
|
xfer->flags_int.bdma_enable = 1;
|
|
|
|
usbd_transfer_setup_sub(parm);
|
|
|
|
if (xfer->flags_int.isochronous_xfr) {
|
|
ntd = ((1 * xfer->nframes)
|
|
+ (xfer->max_data_length / xfer->max_hc_frame_size));
|
|
} else if (xfer->flags_int.control_xfr) {
|
|
ntd = ((2 * xfer->nframes) + 1 /* STATUS */
|
|
+ (xfer->max_data_length / xfer->max_hc_frame_size));
|
|
} else {
|
|
ntd = ((2 * xfer->nframes)
|
|
+ (xfer->max_data_length / xfer->max_hc_frame_size));
|
|
}
|
|
|
|
alloc_dma_set:
|
|
|
|
if (parm->err)
|
|
return;
|
|
|
|
/*
|
|
* Allocate queue heads and transfer descriptors
|
|
*/
|
|
last_obj = NULL;
|
|
|
|
if (usbd_transfer_setup_sub_malloc(
|
|
parm, &pc, sizeof(struct xhci_td),
|
|
XHCI_TD_ALIGN, ntd)) {
|
|
parm->err = USB_ERR_NOMEM;
|
|
return;
|
|
}
|
|
if (parm->buf) {
|
|
for (n = 0; n != ntd; n++) {
|
|
struct xhci_td *td;
|
|
|
|
usbd_get_page(pc + n, 0, &page_info);
|
|
|
|
td = page_info.buffer;
|
|
|
|
/* init TD */
|
|
td->td_self = page_info.physaddr;
|
|
td->obj_next = last_obj;
|
|
td->page_cache = pc + n;
|
|
|
|
last_obj = td;
|
|
|
|
usb_pc_cpu_flush(pc + n);
|
|
}
|
|
}
|
|
xfer->td_start[xfer->flags_int.curr_dma_set] = last_obj;
|
|
|
|
if (!xfer->flags_int.curr_dma_set) {
|
|
xfer->flags_int.curr_dma_set = 1;
|
|
goto alloc_dma_set;
|
|
}
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_configure_reset_endpoint(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus);
|
|
struct usb_page_search buf_inp;
|
|
struct usb_device *udev;
|
|
struct xhci_endpoint_ext *pepext;
|
|
struct usb_endpoint_descriptor *edesc;
|
|
struct usb_page_cache *pcinp;
|
|
usb_error_t err;
|
|
usb_stream_t stream_id;
|
|
uint8_t index;
|
|
uint8_t epno;
|
|
|
|
pepext = xhci_get_endpoint_ext(xfer->xroot->udev,
|
|
xfer->endpoint->edesc);
|
|
|
|
udev = xfer->xroot->udev;
|
|
index = udev->controller_slot_id;
|
|
|
|
pcinp = &sc->sc_hw.devs[index].input_pc;
|
|
|
|
usbd_get_page(pcinp, 0, &buf_inp);
|
|
|
|
edesc = xfer->endpoint->edesc;
|
|
|
|
epno = edesc->bEndpointAddress;
|
|
stream_id = xfer->stream_id;
|
|
|
|
if ((edesc->bmAttributes & UE_XFERTYPE) == UE_CONTROL)
|
|
epno |= UE_DIR_IN;
|
|
|
|
epno = XHCI_EPNO2EPID(epno);
|
|
|
|
if (epno == 0)
|
|
return (USB_ERR_NO_PIPE); /* invalid */
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
/* configure endpoint */
|
|
|
|
err = xhci_configure_endpoint_by_xfer(xfer);
|
|
|
|
if (err != 0) {
|
|
XHCI_CMD_UNLOCK(sc);
|
|
return (err);
|
|
}
|
|
|
|
/*
|
|
* Get the endpoint into the stopped state according to the
|
|
* endpoint context state diagram in the XHCI specification:
|
|
*/
|
|
|
|
err = xhci_cmd_stop_ep(sc, 0, epno, index);
|
|
|
|
if (err != 0)
|
|
DPRINTF("Could not stop endpoint %u\n", epno);
|
|
|
|
err = xhci_cmd_reset_ep(sc, 0, epno, index);
|
|
|
|
if (err != 0)
|
|
DPRINTF("Could not reset endpoint %u\n", epno);
|
|
|
|
err = xhci_cmd_set_tr_dequeue_ptr(sc,
|
|
(pepext->physaddr + (stream_id * sizeof(struct xhci_trb) *
|
|
XHCI_MAX_TRANSFERS)) | XHCI_EPCTX_2_DCS_SET(1),
|
|
stream_id, epno, index);
|
|
|
|
if (err != 0)
|
|
DPRINTF("Could not set dequeue ptr for endpoint %u\n", epno);
|
|
|
|
/*
|
|
* Get the endpoint into the running state according to the
|
|
* endpoint context state diagram in the XHCI specification:
|
|
*/
|
|
|
|
xhci_configure_mask(udev, (1U << epno) | 1U, 0);
|
|
|
|
err = xhci_cmd_evaluate_ctx(sc, buf_inp.physaddr, index);
|
|
|
|
if (err != 0)
|
|
DPRINTF("Could not configure endpoint %u\n", epno);
|
|
|
|
err = xhci_cmd_configure_ep(sc, buf_inp.physaddr, 0, index);
|
|
|
|
if (err != 0)
|
|
DPRINTF("Could not configure endpoint %u\n", epno);
|
|
|
|
XHCI_CMD_UNLOCK(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
xhci_xfer_unsetup(struct usb_xfer *xfer)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void
|
|
xhci_start_dma_delay(struct usb_xfer *xfer)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus);
|
|
|
|
/* put transfer on interrupt queue (again) */
|
|
usbd_transfer_enqueue(&sc->sc_bus.intr_q, xfer);
|
|
|
|
(void)usb_proc_msignal(&sc->sc_config_proc,
|
|
&sc->sc_config_msg[0], &sc->sc_config_msg[1]);
|
|
}
|
|
|
|
static void
|
|
xhci_configure_msg(struct usb_proc_msg *pm)
|
|
{
|
|
struct xhci_softc *sc;
|
|
struct xhci_endpoint_ext *pepext;
|
|
struct usb_xfer *xfer;
|
|
|
|
sc = XHCI_BUS2SC(((struct usb_bus_msg *)pm)->bus);
|
|
|
|
restart:
|
|
TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) {
|
|
|
|
pepext = xhci_get_endpoint_ext(xfer->xroot->udev,
|
|
xfer->endpoint->edesc);
|
|
|
|
if ((pepext->trb_halted != 0) ||
|
|
(pepext->trb_running == 0)) {
|
|
|
|
uint8_t i;
|
|
|
|
/* clear halted and running */
|
|
pepext->trb_halted = 0;
|
|
pepext->trb_running = 0;
|
|
|
|
/* nuke remaining buffered transfers */
|
|
|
|
for (i = 0; i != (XHCI_MAX_TRANSFERS - 1); i++) {
|
|
/*
|
|
* NOTE: We need to use the timeout
|
|
* error code here else existing
|
|
* isochronous clients can get
|
|
* confused:
|
|
*/
|
|
if (pepext->xfer[i] != NULL) {
|
|
xhci_device_done(pepext->xfer[i],
|
|
USB_ERR_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* NOTE: The USB transfer cannot vanish in
|
|
* this state!
|
|
*/
|
|
|
|
USB_BUS_UNLOCK(&sc->sc_bus);
|
|
|
|
xhci_configure_reset_endpoint(xfer);
|
|
|
|
USB_BUS_LOCK(&sc->sc_bus);
|
|
|
|
/* check if halted is still cleared */
|
|
if (pepext->trb_halted == 0) {
|
|
pepext->trb_running = 1;
|
|
memset(pepext->trb_index, 0,
|
|
sizeof(pepext->trb_index));
|
|
}
|
|
goto restart;
|
|
}
|
|
|
|
if (xfer->flags_int.did_dma_delay) {
|
|
|
|
/* remove transfer from interrupt queue (again) */
|
|
usbd_transfer_dequeue(xfer);
|
|
|
|
/* we are finally done */
|
|
usb_dma_delay_done_cb(xfer);
|
|
|
|
/* queue changed - restart */
|
|
goto restart;
|
|
}
|
|
}
|
|
|
|
TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) {
|
|
|
|
/* try to insert xfer on HW queue */
|
|
xhci_transfer_insert(xfer);
|
|
|
|
/* try to multi buffer */
|
|
xhci_device_generic_multi_enter(xfer->endpoint,
|
|
xfer->stream_id, NULL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
xhci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc,
|
|
struct usb_endpoint *ep)
|
|
{
|
|
struct xhci_endpoint_ext *pepext;
|
|
|
|
DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d\n",
|
|
ep, udev->address, edesc->bEndpointAddress, udev->flags.usb_mode);
|
|
|
|
if (udev->parent_hub == NULL) {
|
|
/* root HUB has special endpoint handling */
|
|
return;
|
|
}
|
|
|
|
ep->methods = &xhci_device_generic_methods;
|
|
|
|
pepext = xhci_get_endpoint_ext(udev, edesc);
|
|
|
|
USB_BUS_LOCK(udev->bus);
|
|
pepext->trb_halted = 1;
|
|
pepext->trb_running = 0;
|
|
USB_BUS_UNLOCK(udev->bus);
|
|
}
|
|
|
|
static void
|
|
xhci_ep_uninit(struct usb_device *udev, struct usb_endpoint *ep)
|
|
{
|
|
|
|
}
|
|
|
|
static void
|
|
xhci_ep_clear_stall(struct usb_device *udev, struct usb_endpoint *ep)
|
|
{
|
|
struct xhci_endpoint_ext *pepext;
|
|
|
|
DPRINTF("\n");
|
|
|
|
if (udev->flags.usb_mode != USB_MODE_HOST) {
|
|
/* not supported */
|
|
return;
|
|
}
|
|
if (udev->parent_hub == NULL) {
|
|
/* root HUB has special endpoint handling */
|
|
return;
|
|
}
|
|
|
|
pepext = xhci_get_endpoint_ext(udev, ep->edesc);
|
|
|
|
USB_BUS_LOCK(udev->bus);
|
|
pepext->trb_halted = 1;
|
|
pepext->trb_running = 0;
|
|
USB_BUS_UNLOCK(udev->bus);
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_device_init(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
usb_error_t err;
|
|
uint8_t temp;
|
|
|
|
/* no init for root HUB */
|
|
if (udev->parent_hub == NULL)
|
|
return (0);
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
/* set invalid default */
|
|
|
|
udev->controller_slot_id = sc->sc_noslot + 1;
|
|
|
|
/* try to get a new slot ID from the XHCI */
|
|
|
|
err = xhci_cmd_enable_slot(sc, &temp);
|
|
|
|
if (err) {
|
|
XHCI_CMD_UNLOCK(sc);
|
|
return (err);
|
|
}
|
|
|
|
if (temp > sc->sc_noslot) {
|
|
XHCI_CMD_UNLOCK(sc);
|
|
return (USB_ERR_BAD_ADDRESS);
|
|
}
|
|
|
|
if (sc->sc_hw.devs[temp].state != XHCI_ST_DISABLED) {
|
|
DPRINTF("slot %u already allocated.\n", temp);
|
|
XHCI_CMD_UNLOCK(sc);
|
|
return (USB_ERR_BAD_ADDRESS);
|
|
}
|
|
|
|
/* store slot ID for later reference */
|
|
|
|
udev->controller_slot_id = temp;
|
|
|
|
/* reset data structure */
|
|
|
|
memset(&sc->sc_hw.devs[temp], 0, sizeof(sc->sc_hw.devs[0]));
|
|
|
|
/* set mark slot allocated */
|
|
|
|
sc->sc_hw.devs[temp].state = XHCI_ST_ENABLED;
|
|
|
|
err = xhci_alloc_device_ext(udev);
|
|
|
|
XHCI_CMD_UNLOCK(sc);
|
|
|
|
/* get device into default state */
|
|
|
|
if (err == 0)
|
|
err = xhci_set_address(udev, NULL, 0);
|
|
|
|
return (err);
|
|
}
|
|
|
|
static void
|
|
xhci_device_uninit(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
uint8_t index;
|
|
|
|
/* no init for root HUB */
|
|
if (udev->parent_hub == NULL)
|
|
return;
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
if (index <= sc->sc_noslot) {
|
|
xhci_cmd_disable_slot(sc, index);
|
|
sc->sc_hw.devs[index].state = XHCI_ST_DISABLED;
|
|
|
|
/* free device extension */
|
|
xhci_free_device_ext(udev);
|
|
}
|
|
|
|
XHCI_CMD_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
xhci_get_dma_delay(struct usb_device *udev, uint32_t *pus)
|
|
{
|
|
/*
|
|
* Wait until the hardware has finished any possible use of
|
|
* the transfer descriptor(s)
|
|
*/
|
|
*pus = 2048; /* microseconds */
|
|
}
|
|
|
|
static void
|
|
xhci_device_resume(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
uint8_t index;
|
|
uint8_t n;
|
|
uint8_t p;
|
|
|
|
DPRINTF("\n");
|
|
|
|
/* check for root HUB */
|
|
if (udev->parent_hub == NULL)
|
|
return;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
/* blindly resume all endpoints */
|
|
|
|
USB_BUS_LOCK(udev->bus);
|
|
|
|
for (n = 1; n != XHCI_MAX_ENDPOINTS; n++) {
|
|
for (p = 0; p != XHCI_MAX_STREAMS; p++) {
|
|
XWRITE4(sc, door, XHCI_DOORBELL(index),
|
|
n | XHCI_DB_SID_SET(p));
|
|
}
|
|
}
|
|
|
|
USB_BUS_UNLOCK(udev->bus);
|
|
|
|
XHCI_CMD_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
xhci_device_suspend(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
uint8_t index;
|
|
uint8_t n;
|
|
usb_error_t err;
|
|
|
|
DPRINTF("\n");
|
|
|
|
/* check for root HUB */
|
|
if (udev->parent_hub == NULL)
|
|
return;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
/* blindly suspend all endpoints */
|
|
|
|
for (n = 1; n != XHCI_MAX_ENDPOINTS; n++) {
|
|
err = xhci_cmd_stop_ep(sc, 1, n, index);
|
|
if (err != 0) {
|
|
DPRINTF("Failed to suspend endpoint "
|
|
"%u on slot %u (ignored).\n", n, index);
|
|
}
|
|
}
|
|
|
|
XHCI_CMD_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
xhci_set_hw_power(struct usb_bus *bus)
|
|
{
|
|
DPRINTF("\n");
|
|
}
|
|
|
|
static void
|
|
xhci_device_state_change(struct usb_device *udev)
|
|
{
|
|
struct xhci_softc *sc = XHCI_BUS2SC(udev->bus);
|
|
struct usb_page_search buf_inp;
|
|
usb_error_t err;
|
|
uint8_t index;
|
|
|
|
/* check for root HUB */
|
|
if (udev->parent_hub == NULL)
|
|
return;
|
|
|
|
index = udev->controller_slot_id;
|
|
|
|
DPRINTF("\n");
|
|
|
|
if (usb_get_device_state(udev) == USB_STATE_CONFIGURED) {
|
|
err = uhub_query_info(udev, &sc->sc_hw.devs[index].nports,
|
|
&sc->sc_hw.devs[index].tt);
|
|
if (err != 0)
|
|
sc->sc_hw.devs[index].nports = 0;
|
|
}
|
|
|
|
XHCI_CMD_LOCK(sc);
|
|
|
|
switch (usb_get_device_state(udev)) {
|
|
case USB_STATE_POWERED:
|
|
if (sc->sc_hw.devs[index].state == XHCI_ST_DEFAULT)
|
|
break;
|
|
|
|
/* set default state */
|
|
sc->sc_hw.devs[index].state = XHCI_ST_DEFAULT;
|
|
|
|
/* reset number of contexts */
|
|
sc->sc_hw.devs[index].context_num = 0;
|
|
|
|
err = xhci_cmd_reset_dev(sc, index);
|
|
|
|
if (err != 0) {
|
|
DPRINTF("Device reset failed "
|
|
"for slot %u.\n", index);
|
|
}
|
|
break;
|
|
|
|
case USB_STATE_ADDRESSED:
|
|
if (sc->sc_hw.devs[index].state == XHCI_ST_ADDRESSED)
|
|
break;
|
|
|
|
sc->sc_hw.devs[index].state = XHCI_ST_ADDRESSED;
|
|
|
|
err = xhci_cmd_configure_ep(sc, 0, 1, index);
|
|
|
|
if (err) {
|
|
DPRINTF("Failed to deconfigure "
|
|
"slot %u.\n", index);
|
|
}
|
|
break;
|
|
|
|
case USB_STATE_CONFIGURED:
|
|
if (sc->sc_hw.devs[index].state == XHCI_ST_CONFIGURED)
|
|
break;
|
|
|
|
/* set configured state */
|
|
sc->sc_hw.devs[index].state = XHCI_ST_CONFIGURED;
|
|
|
|
/* reset number of contexts */
|
|
sc->sc_hw.devs[index].context_num = 0;
|
|
|
|
usbd_get_page(&sc->sc_hw.devs[index].input_pc, 0, &buf_inp);
|
|
|
|
xhci_configure_mask(udev, 3, 0);
|
|
|
|
err = xhci_configure_device(udev);
|
|
if (err != 0) {
|
|
DPRINTF("Could not configure device "
|
|
"at slot %u.\n", index);
|
|
}
|
|
|
|
err = xhci_cmd_evaluate_ctx(sc, buf_inp.physaddr, index);
|
|
if (err != 0) {
|
|
DPRINTF("Could not evaluate device "
|
|
"context at slot %u.\n", index);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
XHCI_CMD_UNLOCK(sc);
|
|
}
|
|
|
|
static usb_error_t
|
|
xhci_set_endpoint_mode(struct usb_device *udev, struct usb_endpoint *ep,
|
|
uint8_t ep_mode)
|
|
{
|
|
switch (ep_mode) {
|
|
case USB_EP_MODE_DEFAULT:
|
|
return (0);
|
|
case USB_EP_MODE_STREAMS:
|
|
if ((ep->edesc->bmAttributes & UE_XFERTYPE) != UE_BULK ||
|
|
udev->speed != USB_SPEED_SUPER)
|
|
return (USB_ERR_INVAL);
|
|
return (0);
|
|
default:
|
|
return (USB_ERR_INVAL);
|
|
}
|
|
}
|
|
|
|
struct usb_bus_methods xhci_bus_methods = {
|
|
.endpoint_init = xhci_ep_init,
|
|
.endpoint_uninit = xhci_ep_uninit,
|
|
.xfer_setup = xhci_xfer_setup,
|
|
.xfer_unsetup = xhci_xfer_unsetup,
|
|
.get_dma_delay = xhci_get_dma_delay,
|
|
.device_init = xhci_device_init,
|
|
.device_uninit = xhci_device_uninit,
|
|
.device_resume = xhci_device_resume,
|
|
.device_suspend = xhci_device_suspend,
|
|
.set_hw_power = xhci_set_hw_power,
|
|
.roothub_exec = xhci_roothub_exec,
|
|
.xfer_poll = xhci_do_poll,
|
|
.start_dma_delay = xhci_start_dma_delay,
|
|
.set_address = xhci_set_address,
|
|
.clear_stall = xhci_ep_clear_stall,
|
|
.device_state_change = xhci_device_state_change,
|
|
.set_hw_power_sleep = xhci_set_hw_power_sleep,
|
|
.set_endpoint_mode = xhci_set_endpoint_mode,
|
|
};
|