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uhci.c revision 1.195
      1  1.195  christos /*	$NetBSD: uhci.c,v 1.195 2006/04/14 16:31:27 christos Exp $	*/
      2   1.67  augustss /*	$FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $	*/
      3    1.1  augustss 
      4    1.1  augustss /*
      5  1.185   mycroft  * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
      6    1.1  augustss  * All rights reserved.
      7    1.1  augustss  *
      8   1.11  augustss  * This code is derived from software contributed to The NetBSD Foundation
      9  1.113  augustss  * by Lennart Augustsson (lennart (at) augustsson.net) at
     10   1.11  augustss  * Carlstedt Research & Technology.
     11    1.1  augustss  *
     12    1.1  augustss  * Redistribution and use in source and binary forms, with or without
     13    1.1  augustss  * modification, are permitted provided that the following conditions
     14    1.1  augustss  * are met:
     15    1.1  augustss  * 1. Redistributions of source code must retain the above copyright
     16    1.1  augustss  *    notice, this list of conditions and the following disclaimer.
     17    1.1  augustss  * 2. Redistributions in binary form must reproduce the above copyright
     18    1.1  augustss  *    notice, this list of conditions and the following disclaimer in the
     19    1.1  augustss  *    documentation and/or other materials provided with the distribution.
     20    1.1  augustss  * 3. All advertising materials mentioning features or use of this software
     21    1.1  augustss  *    must display the following acknowledgement:
     22    1.1  augustss  *        This product includes software developed by the NetBSD
     23    1.1  augustss  *        Foundation, Inc. and its contributors.
     24    1.1  augustss  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25    1.1  augustss  *    contributors may be used to endorse or promote products derived
     26    1.1  augustss  *    from this software without specific prior written permission.
     27    1.1  augustss  *
     28    1.1  augustss  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29    1.1  augustss  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30    1.1  augustss  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31    1.1  augustss  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32    1.1  augustss  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33    1.1  augustss  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34    1.1  augustss  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35    1.1  augustss  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36    1.1  augustss  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37    1.1  augustss  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38    1.1  augustss  * POSSIBILITY OF SUCH DAMAGE.
     39    1.1  augustss  */
     40    1.1  augustss 
     41    1.1  augustss /*
     42    1.1  augustss  * USB Universal Host Controller driver.
     43   1.28  augustss  * Handles e.g. PIIX3 and PIIX4.
     44    1.1  augustss  *
     45  1.131  augustss  * UHCI spec: http://developer.intel.com/design/USB/UHCI11D.htm
     46  1.168    ichiro  * USB spec: http://www.usb.org/developers/docs/usbspec.zip
     47   1.71  augustss  * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf
     48   1.71  augustss  *             ftp://download.intel.com/design/intarch/datashts/29056201.pdf
     49    1.1  augustss  */
     50  1.143     lukem 
     51  1.143     lukem #include <sys/cdefs.h>
     52  1.195  christos __KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.195 2006/04/14 16:31:27 christos Exp $");
     53    1.1  augustss 
     54    1.1  augustss #include <sys/param.h>
     55    1.1  augustss #include <sys/systm.h>
     56    1.1  augustss #include <sys/kernel.h>
     57    1.1  augustss #include <sys/malloc.h>
     58   1.37  augustss #if defined(__NetBSD__) || defined(__OpenBSD__)
     59    1.1  augustss #include <sys/device.h>
     60   1.67  augustss #include <sys/select.h>
     61  1.183      fvdl #include <sys/extent.h>
     62  1.183      fvdl #include <uvm/uvm_extern.h>
     63   1.13  augustss #elif defined(__FreeBSD__)
     64   1.13  augustss #include <sys/module.h>
     65   1.13  augustss #include <sys/bus.h>
     66   1.67  augustss #include <machine/bus_pio.h>
     67   1.67  augustss #if defined(DIAGNOSTIC) && defined(__i386__)
     68   1.67  augustss #include <machine/cpu.h>
     69   1.67  augustss #endif
     70   1.13  augustss #endif
     71    1.1  augustss #include <sys/proc.h>
     72    1.1  augustss #include <sys/queue.h>
     73    1.1  augustss 
     74    1.7  augustss #include <machine/bus.h>
     75   1.39  augustss #include <machine/endian.h>
     76    1.7  augustss 
     77    1.1  augustss #include <dev/usb/usb.h>
     78    1.1  augustss #include <dev/usb/usbdi.h>
     79    1.1  augustss #include <dev/usb/usbdivar.h>
     80    1.7  augustss #include <dev/usb/usb_mem.h>
     81    1.1  augustss #include <dev/usb/usb_quirks.h>
     82    1.1  augustss 
     83    1.1  augustss #include <dev/usb/uhcireg.h>
     84    1.1  augustss #include <dev/usb/uhcivar.h>
     85    1.1  augustss 
     86  1.125  augustss /* Use bandwidth reclamation for control transfers. Some devices choke on it. */
     87  1.125  augustss /*#define UHCI_CTL_LOOP */
     88  1.125  augustss 
     89   1.13  augustss #if defined(__FreeBSD__)
     90   1.13  augustss #include <machine/clock.h>
     91   1.13  augustss 
     92   1.13  augustss #define delay(d)		DELAY(d)
     93   1.13  augustss #endif
     94   1.13  augustss 
     95   1.37  augustss #if defined(__OpenBSD__)
     96   1.37  augustss struct cfdriver uhci_cd = {
     97   1.37  augustss 	NULL, "uhci", DV_DULL
     98   1.37  augustss };
     99   1.37  augustss #endif
    100   1.37  augustss 
    101   1.67  augustss #ifdef UHCI_DEBUG
    102   1.92  augustss uhci_softc_t *thesc;
    103   1.59  augustss #define DPRINTF(x)	if (uhcidebug) printf x
    104   1.59  augustss #define DPRINTFN(n,x)	if (uhcidebug>(n)) printf x
    105   1.67  augustss int uhcidebug = 0;
    106  1.125  augustss int uhcinoloop = 0;
    107  1.122        tv #ifndef __NetBSD__
    108  1.122        tv #define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f))
    109  1.122        tv #endif
    110   1.59  augustss #else
    111   1.59  augustss #define DPRINTF(x)
    112   1.59  augustss #define DPRINTFN(n,x)
    113   1.59  augustss #endif
    114   1.59  augustss 
    115   1.39  augustss /*
    116   1.39  augustss  * The UHCI controller is little endian, so on big endian machines
    117  1.181  drochner  * the data stored in memory needs to be swapped.
    118   1.39  augustss  */
    119  1.107  augustss #if defined(__FreeBSD__) || defined(__OpenBSD__)
    120   1.39  augustss #if BYTE_ORDER == BIG_ENDIAN
    121   1.88   tsutsui #define htole32(x) (bswap32(x))
    122   1.88   tsutsui #define le32toh(x) (bswap32(x))
    123   1.39  augustss #else
    124   1.88   tsutsui #define htole32(x) (x)
    125   1.88   tsutsui #define le32toh(x) (x)
    126   1.88   tsutsui #endif
    127   1.39  augustss #endif
    128   1.39  augustss 
    129    1.1  augustss struct uhci_pipe {
    130    1.1  augustss 	struct usbd_pipe pipe;
    131   1.32  augustss 	int nexttoggle;
    132   1.92  augustss 
    133   1.92  augustss 	u_char aborting;
    134   1.92  augustss 	usbd_xfer_handle abortstart, abortend;
    135   1.92  augustss 
    136    1.1  augustss 	/* Info needed for different pipe kinds. */
    137    1.1  augustss 	union {
    138    1.1  augustss 		/* Control pipe */
    139    1.1  augustss 		struct {
    140    1.1  augustss 			uhci_soft_qh_t *sqh;
    141    1.7  augustss 			usb_dma_t reqdma;
    142   1.16  augustss 			uhci_soft_td_t *setup, *stat;
    143    1.1  augustss 			u_int length;
    144    1.1  augustss 		} ctl;
    145    1.1  augustss 		/* Interrupt pipe */
    146    1.1  augustss 		struct {
    147    1.1  augustss 			int npoll;
    148  1.187     skrll 			int isread;
    149    1.1  augustss 			uhci_soft_qh_t **qhs;
    150    1.1  augustss 		} intr;
    151    1.1  augustss 		/* Bulk pipe */
    152    1.1  augustss 		struct {
    153    1.1  augustss 			uhci_soft_qh_t *sqh;
    154    1.1  augustss 			u_int length;
    155    1.1  augustss 			int isread;
    156    1.1  augustss 		} bulk;
    157   1.16  augustss 		/* Iso pipe */
    158   1.16  augustss 		struct iso {
    159   1.16  augustss 			uhci_soft_td_t **stds;
    160   1.48  augustss 			int next, inuse;
    161   1.16  augustss 		} iso;
    162    1.1  augustss 	} u;
    163    1.1  augustss };
    164    1.1  augustss 
    165  1.142  augustss Static void		uhci_globalreset(uhci_softc_t *);
    166  1.166   dsainty Static usbd_status	uhci_portreset(uhci_softc_t*, int);
    167  1.142  augustss Static void		uhci_reset(uhci_softc_t *);
    168  1.119  augustss Static void		uhci_shutdown(void *v);
    169  1.119  augustss Static void		uhci_power(int, void *);
    170  1.119  augustss Static usbd_status	uhci_run(uhci_softc_t *, int run);
    171  1.123  augustss Static uhci_soft_td_t  *uhci_alloc_std(uhci_softc_t *);
    172  1.119  augustss Static void		uhci_free_std(uhci_softc_t *, uhci_soft_td_t *);
    173  1.123  augustss Static uhci_soft_qh_t  *uhci_alloc_sqh(uhci_softc_t *);
    174  1.119  augustss Static void		uhci_free_sqh(uhci_softc_t *, uhci_soft_qh_t *);
    175   1.16  augustss #if 0
    176  1.119  augustss Static void		uhci_enter_ctl_q(uhci_softc_t *, uhci_soft_qh_t *,
    177  1.119  augustss 					 uhci_intr_info_t *);
    178  1.119  augustss Static void		uhci_exit_ctl_q(uhci_softc_t *, uhci_soft_qh_t *);
    179   1.16  augustss #endif
    180    1.1  augustss 
    181  1.152  augustss Static void		uhci_free_std_chain(uhci_softc_t *,
    182  1.119  augustss 					    uhci_soft_td_t *, uhci_soft_td_t *);
    183  1.119  augustss Static usbd_status	uhci_alloc_std_chain(struct uhci_pipe *,
    184  1.152  augustss 			    uhci_softc_t *, int, int, u_int16_t, usb_dma_t *,
    185  1.119  augustss 			    uhci_soft_td_t **, uhci_soft_td_t **);
    186  1.119  augustss Static void		uhci_poll_hub(void *);
    187  1.119  augustss Static void		uhci_waitintr(uhci_softc_t *, usbd_xfer_handle);
    188  1.119  augustss Static void		uhci_check_intr(uhci_softc_t *, uhci_intr_info_t *);
    189  1.119  augustss Static void		uhci_idone(uhci_intr_info_t *);
    190  1.119  augustss 
    191  1.119  augustss Static void		uhci_abort_xfer(usbd_xfer_handle, usbd_status status);
    192  1.119  augustss 
    193  1.119  augustss Static void		uhci_timeout(void *);
    194  1.153  augustss Static void		uhci_timeout_task(void *);
    195  1.123  augustss Static void		uhci_add_ls_ctrl(uhci_softc_t *, uhci_soft_qh_t *);
    196  1.123  augustss Static void		uhci_add_hs_ctrl(uhci_softc_t *, uhci_soft_qh_t *);
    197  1.119  augustss Static void		uhci_add_bulk(uhci_softc_t *, uhci_soft_qh_t *);
    198  1.123  augustss Static void		uhci_remove_ls_ctrl(uhci_softc_t *,uhci_soft_qh_t *);
    199  1.123  augustss Static void		uhci_remove_hs_ctrl(uhci_softc_t *,uhci_soft_qh_t *);
    200  1.119  augustss Static void		uhci_remove_bulk(uhci_softc_t *,uhci_soft_qh_t *);
    201  1.189  christos Static int		uhci_str(usb_string_descriptor_t *, int, const char *);
    202  1.123  augustss Static void		uhci_add_loop(uhci_softc_t *sc);
    203  1.123  augustss Static void		uhci_rem_loop(uhci_softc_t *sc);
    204  1.119  augustss 
    205  1.119  augustss Static usbd_status	uhci_setup_isoc(usbd_pipe_handle pipe);
    206  1.119  augustss Static void		uhci_device_isoc_enter(usbd_xfer_handle);
    207  1.119  augustss 
    208  1.119  augustss Static usbd_status	uhci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t);
    209  1.119  augustss Static void		uhci_freem(struct usbd_bus *, usb_dma_t *);
    210  1.119  augustss 
    211  1.119  augustss Static usbd_xfer_handle	uhci_allocx(struct usbd_bus *);
    212  1.119  augustss Static void		uhci_freex(struct usbd_bus *, usbd_xfer_handle);
    213  1.119  augustss 
    214  1.119  augustss Static usbd_status	uhci_device_ctrl_transfer(usbd_xfer_handle);
    215  1.119  augustss Static usbd_status	uhci_device_ctrl_start(usbd_xfer_handle);
    216  1.119  augustss Static void		uhci_device_ctrl_abort(usbd_xfer_handle);
    217  1.119  augustss Static void		uhci_device_ctrl_close(usbd_pipe_handle);
    218  1.119  augustss Static void		uhci_device_ctrl_done(usbd_xfer_handle);
    219  1.119  augustss 
    220  1.119  augustss Static usbd_status	uhci_device_intr_transfer(usbd_xfer_handle);
    221  1.119  augustss Static usbd_status	uhci_device_intr_start(usbd_xfer_handle);
    222  1.119  augustss Static void		uhci_device_intr_abort(usbd_xfer_handle);
    223  1.119  augustss Static void		uhci_device_intr_close(usbd_pipe_handle);
    224  1.119  augustss Static void		uhci_device_intr_done(usbd_xfer_handle);
    225  1.119  augustss 
    226  1.119  augustss Static usbd_status	uhci_device_bulk_transfer(usbd_xfer_handle);
    227  1.119  augustss Static usbd_status	uhci_device_bulk_start(usbd_xfer_handle);
    228  1.119  augustss Static void		uhci_device_bulk_abort(usbd_xfer_handle);
    229  1.119  augustss Static void		uhci_device_bulk_close(usbd_pipe_handle);
    230  1.119  augustss Static void		uhci_device_bulk_done(usbd_xfer_handle);
    231  1.119  augustss 
    232  1.119  augustss Static usbd_status	uhci_device_isoc_transfer(usbd_xfer_handle);
    233  1.119  augustss Static usbd_status	uhci_device_isoc_start(usbd_xfer_handle);
    234  1.119  augustss Static void		uhci_device_isoc_abort(usbd_xfer_handle);
    235  1.119  augustss Static void		uhci_device_isoc_close(usbd_pipe_handle);
    236  1.119  augustss Static void		uhci_device_isoc_done(usbd_xfer_handle);
    237  1.119  augustss 
    238  1.119  augustss Static usbd_status	uhci_root_ctrl_transfer(usbd_xfer_handle);
    239  1.119  augustss Static usbd_status	uhci_root_ctrl_start(usbd_xfer_handle);
    240  1.119  augustss Static void		uhci_root_ctrl_abort(usbd_xfer_handle);
    241  1.119  augustss Static void		uhci_root_ctrl_close(usbd_pipe_handle);
    242  1.119  augustss Static void		uhci_root_ctrl_done(usbd_xfer_handle);
    243  1.119  augustss 
    244  1.119  augustss Static usbd_status	uhci_root_intr_transfer(usbd_xfer_handle);
    245  1.119  augustss Static usbd_status	uhci_root_intr_start(usbd_xfer_handle);
    246  1.119  augustss Static void		uhci_root_intr_abort(usbd_xfer_handle);
    247  1.119  augustss Static void		uhci_root_intr_close(usbd_pipe_handle);
    248  1.119  augustss Static void		uhci_root_intr_done(usbd_xfer_handle);
    249  1.119  augustss 
    250  1.119  augustss Static usbd_status	uhci_open(usbd_pipe_handle);
    251  1.119  augustss Static void		uhci_poll(struct usbd_bus *);
    252  1.133  augustss Static void		uhci_softintr(void *);
    253  1.119  augustss 
    254  1.119  augustss Static usbd_status	uhci_device_request(usbd_xfer_handle xfer);
    255  1.119  augustss 
    256  1.119  augustss Static void		uhci_add_intr(uhci_softc_t *, uhci_soft_qh_t *);
    257  1.158  augustss Static void		uhci_remove_intr(uhci_softc_t *, uhci_soft_qh_t *);
    258  1.152  augustss Static usbd_status	uhci_device_setintr(uhci_softc_t *sc,
    259  1.119  augustss 			    struct uhci_pipe *pipe, int ival);
    260  1.119  augustss 
    261  1.119  augustss Static void		uhci_device_clear_toggle(usbd_pipe_handle pipe);
    262  1.119  augustss Static void		uhci_noop(usbd_pipe_handle pipe);
    263  1.119  augustss 
    264  1.192     perry Static inline uhci_soft_qh_t *uhci_find_prev_qh(uhci_soft_qh_t *,
    265  1.119  augustss 						    uhci_soft_qh_t *);
    266  1.119  augustss 
    267  1.119  augustss #ifdef UHCI_DEBUG
    268  1.119  augustss Static void		uhci_dump_all(uhci_softc_t *);
    269  1.119  augustss Static void		uhci_dumpregs(uhci_softc_t *);
    270  1.119  augustss Static void		uhci_dump_qhs(uhci_soft_qh_t *);
    271  1.119  augustss Static void		uhci_dump_qh(uhci_soft_qh_t *);
    272  1.119  augustss Static void		uhci_dump_tds(uhci_soft_td_t *);
    273  1.119  augustss Static void		uhci_dump_td(uhci_soft_td_t *);
    274  1.119  augustss Static void		uhci_dump_ii(uhci_intr_info_t *ii);
    275  1.119  augustss void			uhci_dump(void);
    276    1.1  augustss #endif
    277    1.1  augustss 
    278  1.112  augustss #define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \
    279  1.112  augustss 			BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE)
    280  1.112  augustss #define UWRITE1(sc, r, x) \
    281  1.165   dsainty  do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); \
    282  1.165   dsainty  } while (/*CONSTCOND*/0)
    283  1.112  augustss #define UWRITE2(sc, r, x) \
    284  1.165   dsainty  do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); \
    285  1.165   dsainty  } while (/*CONSTCOND*/0)
    286  1.112  augustss #define UWRITE4(sc, r, x) \
    287  1.165   dsainty  do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); \
    288  1.165   dsainty  } while (/*CONSTCOND*/0)
    289  1.112  augustss #define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r)))
    290  1.112  augustss #define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r)))
    291  1.112  augustss #define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r)))
    292    1.1  augustss 
    293    1.1  augustss #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd)
    294    1.1  augustss #define UHCISTS(sc) UREAD2(sc, UHCI_STS)
    295    1.1  augustss 
    296  1.142  augustss #define UHCI_RESET_TIMEOUT 100	/* ms, reset timeout */
    297    1.1  augustss 
    298    1.1  augustss #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK)
    299    1.1  augustss 
    300    1.1  augustss #define UHCI_INTR_ENDPT 1
    301    1.1  augustss 
    302   1.48  augustss struct usbd_bus_methods uhci_bus_methods = {
    303   1.48  augustss 	uhci_open,
    304   1.85  augustss 	uhci_softintr,
    305   1.48  augustss 	uhci_poll,
    306   1.48  augustss 	uhci_allocm,
    307   1.48  augustss 	uhci_freem,
    308   1.76  augustss 	uhci_allocx,
    309   1.76  augustss 	uhci_freex,
    310   1.48  augustss };
    311   1.48  augustss 
    312  1.152  augustss struct usbd_pipe_methods uhci_root_ctrl_methods = {
    313    1.1  augustss 	uhci_root_ctrl_transfer,
    314   1.16  augustss 	uhci_root_ctrl_start,
    315    1.1  augustss 	uhci_root_ctrl_abort,
    316    1.1  augustss 	uhci_root_ctrl_close,
    317   1.38  augustss 	uhci_noop,
    318   1.84  augustss 	uhci_root_ctrl_done,
    319    1.1  augustss };
    320    1.1  augustss 
    321  1.152  augustss struct usbd_pipe_methods uhci_root_intr_methods = {
    322    1.1  augustss 	uhci_root_intr_transfer,
    323   1.16  augustss 	uhci_root_intr_start,
    324    1.1  augustss 	uhci_root_intr_abort,
    325    1.1  augustss 	uhci_root_intr_close,
    326   1.38  augustss 	uhci_noop,
    327   1.41  augustss 	uhci_root_intr_done,
    328    1.1  augustss };
    329    1.1  augustss 
    330   1.48  augustss struct usbd_pipe_methods uhci_device_ctrl_methods = {
    331    1.1  augustss 	uhci_device_ctrl_transfer,
    332   1.16  augustss 	uhci_device_ctrl_start,
    333    1.1  augustss 	uhci_device_ctrl_abort,
    334    1.1  augustss 	uhci_device_ctrl_close,
    335   1.38  augustss 	uhci_noop,
    336   1.41  augustss 	uhci_device_ctrl_done,
    337    1.1  augustss };
    338    1.1  augustss 
    339   1.48  augustss struct usbd_pipe_methods uhci_device_intr_methods = {
    340    1.1  augustss 	uhci_device_intr_transfer,
    341   1.16  augustss 	uhci_device_intr_start,
    342    1.1  augustss 	uhci_device_intr_abort,
    343    1.1  augustss 	uhci_device_intr_close,
    344   1.38  augustss 	uhci_device_clear_toggle,
    345   1.41  augustss 	uhci_device_intr_done,
    346    1.1  augustss };
    347    1.1  augustss 
    348   1.48  augustss struct usbd_pipe_methods uhci_device_bulk_methods = {
    349    1.1  augustss 	uhci_device_bulk_transfer,
    350   1.16  augustss 	uhci_device_bulk_start,
    351    1.1  augustss 	uhci_device_bulk_abort,
    352    1.1  augustss 	uhci_device_bulk_close,
    353   1.38  augustss 	uhci_device_clear_toggle,
    354   1.41  augustss 	uhci_device_bulk_done,
    355    1.1  augustss };
    356    1.1  augustss 
    357   1.48  augustss struct usbd_pipe_methods uhci_device_isoc_methods = {
    358   1.16  augustss 	uhci_device_isoc_transfer,
    359   1.16  augustss 	uhci_device_isoc_start,
    360   1.16  augustss 	uhci_device_isoc_abort,
    361   1.16  augustss 	uhci_device_isoc_close,
    362   1.38  augustss 	uhci_noop,
    363   1.41  augustss 	uhci_device_isoc_done,
    364   1.16  augustss };
    365   1.16  augustss 
    366   1.92  augustss #define uhci_add_intr_info(sc, ii) \
    367  1.169  augustss 	LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list)
    368   1.92  augustss #define uhci_del_intr_info(ii) \
    369  1.169  augustss 	do { \
    370  1.169  augustss 		LIST_REMOVE((ii), list); \
    371  1.169  augustss 		(ii)->list.le_prev = NULL; \
    372  1.169  augustss 	} while (0)
    373  1.169  augustss #define uhci_active_intr_info(ii) ((ii)->list.le_prev != NULL)
    374   1.92  augustss 
    375  1.192     perry Static inline uhci_soft_qh_t *
    376  1.119  augustss uhci_find_prev_qh(uhci_soft_qh_t *pqh, uhci_soft_qh_t *sqh)
    377   1.92  augustss {
    378   1.92  augustss 	DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh));
    379   1.92  augustss 
    380   1.92  augustss 	for (; pqh->hlink != sqh; pqh = pqh->hlink) {
    381  1.152  augustss #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG)
    382   1.92  augustss 		if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) {
    383  1.102  augustss 			printf("uhci_find_prev_qh: QH not found\n");
    384   1.92  augustss 			return (NULL);
    385   1.92  augustss 		}
    386   1.92  augustss #endif
    387   1.92  augustss 	}
    388   1.92  augustss 	return (pqh);
    389   1.92  augustss }
    390   1.92  augustss 
    391    1.1  augustss void
    392  1.142  augustss uhci_globalreset(uhci_softc_t *sc)
    393    1.1  augustss {
    394    1.1  augustss 	UHCICMD(sc, UHCI_CMD_GRESET);	/* global reset */
    395   1.20  augustss 	usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */
    396    1.1  augustss 	UHCICMD(sc, 0);			/* do nothing */
    397    1.1  augustss }
    398    1.1  augustss 
    399    1.1  augustss usbd_status
    400  1.119  augustss uhci_init(uhci_softc_t *sc)
    401    1.1  augustss {
    402   1.63  augustss 	usbd_status err;
    403    1.1  augustss 	int i, j;
    404  1.123  augustss 	uhci_soft_qh_t *clsqh, *chsqh, *bsqh, *sqh, *lsqh;
    405    1.1  augustss 	uhci_soft_td_t *std;
    406    1.1  augustss 
    407    1.1  augustss 	DPRINTFN(1,("uhci_init: start\n"));
    408    1.1  augustss 
    409   1.67  augustss #ifdef UHCI_DEBUG
    410   1.92  augustss 	thesc = sc;
    411   1.92  augustss 
    412    1.1  augustss 	if (uhcidebug > 2)
    413    1.1  augustss 		uhci_dumpregs(sc);
    414    1.1  augustss #endif
    415    1.1  augustss 
    416    1.1  augustss 	UWRITE2(sc, UHCI_INTR, 0);		/* disable interrupts */
    417  1.142  augustss 	uhci_globalreset(sc);			/* reset the controller */
    418  1.142  augustss 	uhci_reset(sc);
    419   1.24  augustss 
    420  1.183      fvdl #ifdef __NetBSD__
    421  1.183      fvdl 	usb_setup_reserve(sc, &sc->sc_dma_reserve, sc->sc_bus.dmatag,
    422  1.183      fvdl 	    USB_MEM_RESERVE);
    423  1.183      fvdl #endif
    424  1.183      fvdl 
    425    1.1  augustss 	/* Allocate and initialize real frame array. */
    426  1.152  augustss 	err = usb_allocmem(&sc->sc_bus,
    427   1.63  augustss 		  UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t),
    428   1.63  augustss 		  UHCI_FRAMELIST_ALIGN, &sc->sc_dma);
    429   1.63  augustss 	if (err)
    430   1.63  augustss 		return (err);
    431  1.159  augustss 	sc->sc_pframes = KERNADDR(&sc->sc_dma, 0);
    432    1.1  augustss 	UWRITE2(sc, UHCI_FRNUM, 0);		/* set frame number to 0 */
    433  1.160  augustss 	UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma, 0)); /* set frame list*/
    434    1.1  augustss 
    435  1.152  augustss 	/*
    436  1.123  augustss 	 * Allocate a TD, inactive, that hangs from the last QH.
    437  1.123  augustss 	 * This is to avoid a bug in the PIIX that makes it run berserk
    438  1.123  augustss 	 * otherwise.
    439  1.123  augustss 	 */
    440  1.123  augustss 	std = uhci_alloc_std(sc);
    441  1.123  augustss 	if (std == NULL)
    442  1.123  augustss 		return (USBD_NOMEM);
    443  1.123  augustss 	std->link.std = NULL;
    444  1.123  augustss 	std->td.td_link = htole32(UHCI_PTR_T);
    445  1.123  augustss 	std->td.td_status = htole32(0); /* inactive */
    446  1.123  augustss 	std->td.td_token = htole32(0);
    447  1.123  augustss 	std->td.td_buffer = htole32(0);
    448  1.123  augustss 
    449  1.123  augustss 	/* Allocate the dummy QH marking the end and used for looping the QHs.*/
    450  1.123  augustss 	lsqh = uhci_alloc_sqh(sc);
    451  1.123  augustss 	if (lsqh == NULL)
    452  1.123  augustss 		return (USBD_NOMEM);
    453  1.123  augustss 	lsqh->hlink = NULL;
    454  1.123  augustss 	lsqh->qh.qh_hlink = htole32(UHCI_PTR_T);	/* end of QH chain */
    455  1.123  augustss 	lsqh->elink = std;
    456  1.123  augustss 	lsqh->qh.qh_elink = htole32(std->physaddr | UHCI_PTR_TD);
    457  1.123  augustss 	sc->sc_last_qh = lsqh;
    458  1.123  augustss 
    459    1.1  augustss 	/* Allocate the dummy QH where bulk traffic will be queued. */
    460    1.1  augustss 	bsqh = uhci_alloc_sqh(sc);
    461   1.63  augustss 	if (bsqh == NULL)
    462    1.1  augustss 		return (USBD_NOMEM);
    463  1.123  augustss 	bsqh->hlink = lsqh;
    464  1.123  augustss 	bsqh->qh.qh_hlink = htole32(lsqh->physaddr | UHCI_PTR_QH);
    465  1.121  augustss 	bsqh->elink = NULL;
    466   1.88   tsutsui 	bsqh->qh.qh_elink = htole32(UHCI_PTR_T);
    467    1.1  augustss 	sc->sc_bulk_start = sc->sc_bulk_end = bsqh;
    468    1.1  augustss 
    469  1.123  augustss 	/* Allocate dummy QH where high speed control traffic will be queued. */
    470  1.123  augustss 	chsqh = uhci_alloc_sqh(sc);
    471  1.123  augustss 	if (chsqh == NULL)
    472  1.123  augustss 		return (USBD_NOMEM);
    473  1.123  augustss 	chsqh->hlink = bsqh;
    474  1.123  augustss 	chsqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_QH);
    475  1.123  augustss 	chsqh->elink = NULL;
    476  1.123  augustss 	chsqh->qh.qh_elink = htole32(UHCI_PTR_T);
    477  1.123  augustss 	sc->sc_hctl_start = sc->sc_hctl_end = chsqh;
    478  1.123  augustss 
    479  1.123  augustss 	/* Allocate dummy QH where control traffic will be queued. */
    480  1.123  augustss 	clsqh = uhci_alloc_sqh(sc);
    481  1.123  augustss 	if (clsqh == NULL)
    482    1.1  augustss 		return (USBD_NOMEM);
    483  1.123  augustss 	clsqh->hlink = bsqh;
    484  1.123  augustss 	clsqh->qh.qh_hlink = htole32(chsqh->physaddr | UHCI_PTR_QH);
    485  1.123  augustss 	clsqh->elink = NULL;
    486  1.123  augustss 	clsqh->qh.qh_elink = htole32(UHCI_PTR_T);
    487  1.123  augustss 	sc->sc_lctl_start = sc->sc_lctl_end = clsqh;
    488    1.1  augustss 
    489  1.152  augustss 	/*
    490    1.1  augustss 	 * Make all (virtual) frame list pointers point to the interrupt
    491    1.1  augustss 	 * queue heads and the interrupt queue heads at the control
    492    1.1  augustss 	 * queue head and point the physical frame list to the virtual.
    493    1.1  augustss 	 */
    494    1.1  augustss 	for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
    495    1.1  augustss 		std = uhci_alloc_std(sc);
    496    1.1  augustss 		sqh = uhci_alloc_sqh(sc);
    497   1.67  augustss 		if (std == NULL || sqh == NULL)
    498   1.13  augustss 			return (USBD_NOMEM);
    499   1.42  augustss 		std->link.sqh = sqh;
    500  1.121  augustss 		std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_QH);
    501   1.88   tsutsui 		std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */
    502   1.88   tsutsui 		std->td.td_token = htole32(0);
    503   1.88   tsutsui 		std->td.td_buffer = htole32(0);
    504  1.123  augustss 		sqh->hlink = clsqh;
    505  1.123  augustss 		sqh->qh.qh_hlink = htole32(clsqh->physaddr | UHCI_PTR_QH);
    506  1.121  augustss 		sqh->elink = NULL;
    507   1.88   tsutsui 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
    508    1.1  augustss 		sc->sc_vframes[i].htd = std;
    509    1.1  augustss 		sc->sc_vframes[i].etd = std;
    510    1.1  augustss 		sc->sc_vframes[i].hqh = sqh;
    511    1.1  augustss 		sc->sc_vframes[i].eqh = sqh;
    512  1.152  augustss 		for (j = i;
    513  1.152  augustss 		     j < UHCI_FRAMELIST_COUNT;
    514    1.1  augustss 		     j += UHCI_VFRAMELIST_COUNT)
    515   1.88   tsutsui 			sc->sc_pframes[j] = htole32(std->physaddr);
    516    1.1  augustss 	}
    517    1.1  augustss 
    518    1.1  augustss 	LIST_INIT(&sc->sc_intrhead);
    519    1.1  augustss 
    520   1.76  augustss 	SIMPLEQ_INIT(&sc->sc_free_xfers);
    521   1.76  augustss 
    522   1.96  augustss 	usb_callout_init(sc->sc_poll_handle);
    523   1.96  augustss 
    524    1.1  augustss 	/* Set up the bus struct. */
    525   1.48  augustss 	sc->sc_bus.methods = &uhci_bus_methods;
    526    1.1  augustss 	sc->sc_bus.pipe_size = sizeof(struct uhci_pipe);
    527    1.1  augustss 
    528   1.92  augustss #if defined(__NetBSD__) || defined(__OpenBSD__)
    529   1.30  augustss 	sc->sc_suspend = PWR_RESUME;
    530   1.53  augustss 	sc->sc_powerhook = powerhook_establish(uhci_power, sc);
    531   1.72  augustss 	sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc);
    532   1.92  augustss #endif
    533   1.72  augustss 
    534  1.190  augustss 	UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */
    535  1.190  augustss 
    536    1.1  augustss 	DPRINTFN(1,("uhci_init: enabling\n"));
    537  1.152  augustss 	UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE |
    538    1.1  augustss 		UHCI_INTR_IOCE | UHCI_INTR_SPIE);	/* enable interrupts */
    539    1.1  augustss 
    540   1.16  augustss 	return (uhci_run(sc, 1));		/* and here we go... */
    541   1.53  augustss }
    542   1.53  augustss 
    543   1.67  augustss #if defined(__NetBSD__) || defined(__OpenBSD__)
    544   1.53  augustss int
    545  1.119  augustss uhci_activate(device_ptr_t self, enum devact act)
    546   1.53  augustss {
    547   1.56  augustss 	struct uhci_softc *sc = (struct uhci_softc *)self;
    548   1.53  augustss 	int rv = 0;
    549   1.53  augustss 
    550   1.53  augustss 	switch (act) {
    551   1.53  augustss 	case DVACT_ACTIVATE:
    552   1.53  augustss 		return (EOPNOTSUPP);
    553   1.53  augustss 
    554   1.53  augustss 	case DVACT_DEACTIVATE:
    555   1.56  augustss 		if (sc->sc_child != NULL)
    556   1.56  augustss 			rv = config_deactivate(sc->sc_child);
    557   1.53  augustss 		break;
    558   1.53  augustss 	}
    559   1.53  augustss 	return (rv);
    560   1.53  augustss }
    561   1.53  augustss 
    562   1.53  augustss int
    563  1.119  augustss uhci_detach(struct uhci_softc *sc, int flags)
    564   1.53  augustss {
    565   1.76  augustss 	usbd_xfer_handle xfer;
    566   1.53  augustss 	int rv = 0;
    567   1.53  augustss 
    568   1.53  augustss 	if (sc->sc_child != NULL)
    569   1.53  augustss 		rv = config_detach(sc->sc_child, flags);
    570  1.152  augustss 
    571   1.53  augustss 	if (rv != 0)
    572   1.53  augustss 		return (rv);
    573   1.53  augustss 
    574   1.92  augustss #if defined(__NetBSD__) || defined(__OpenBSD__)
    575   1.53  augustss 	powerhook_disestablish(sc->sc_powerhook);
    576   1.72  augustss 	shutdownhook_disestablish(sc->sc_shutdownhook);
    577   1.92  augustss #endif
    578   1.72  augustss 
    579   1.76  augustss 	/* Free all xfers associated with this HC. */
    580   1.76  augustss 	for (;;) {
    581   1.76  augustss 		xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers);
    582   1.76  augustss 		if (xfer == NULL)
    583   1.76  augustss 			break;
    584  1.161     lukem 		SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, next);
    585   1.76  augustss 		free(xfer, M_USB);
    586  1.152  augustss 	}
    587   1.76  augustss 
    588   1.76  augustss 	/* XXX free other data structures XXX */
    589   1.53  augustss 
    590   1.53  augustss 	return (rv);
    591    1.1  augustss }
    592   1.67  augustss #endif
    593    1.1  augustss 
    594   1.48  augustss usbd_status
    595  1.119  augustss uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size)
    596   1.48  augustss {
    597  1.102  augustss 	struct uhci_softc *sc = (struct uhci_softc *)bus;
    598  1.183      fvdl 	usbd_status status;
    599  1.102  augustss 	u_int32_t n;
    600  1.102  augustss 
    601  1.152  augustss 	/*
    602  1.102  augustss 	 * XXX
    603  1.102  augustss 	 * Since we are allocating a buffer we can assume that we will
    604  1.148  augustss 	 * need TDs for it.  Since we don't want to allocate those from
    605  1.102  augustss 	 * an interrupt context, we allocate them here and free them again.
    606  1.102  augustss 	 * This is no guarantee that we'll get the TDs next time...
    607  1.102  augustss 	 */
    608  1.102  augustss 	n = size / 8;
    609  1.102  augustss 	if (n > 16) {
    610  1.102  augustss 		u_int32_t i;
    611  1.102  augustss 		uhci_soft_td_t **stds;
    612  1.102  augustss 		DPRINTF(("uhci_allocm: get %d TDs\n", n));
    613  1.150   tsutsui 		stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP,
    614  1.151  augustss 		    M_WAITOK|M_ZERO);
    615  1.102  augustss 		for(i=0; i < n; i++)
    616  1.102  augustss 			stds[i] = uhci_alloc_std(sc);
    617  1.102  augustss 		for(i=0; i < n; i++)
    618  1.102  augustss 			if (stds[i] != NULL)
    619  1.102  augustss 				uhci_free_std(sc, stds[i]);
    620  1.102  augustss 		free(stds, M_TEMP);
    621  1.102  augustss 	}
    622  1.102  augustss 
    623  1.183      fvdl 
    624  1.183      fvdl 	status = usb_allocmem(&sc->sc_bus, size, 0, dma);
    625  1.183      fvdl #ifdef __NetBSD__
    626  1.183      fvdl 	if (status == USBD_NOMEM)
    627  1.183      fvdl 		status = usb_reserve_allocm(&sc->sc_dma_reserve, dma, size);
    628  1.183      fvdl #endif
    629  1.183      fvdl 	return status;
    630   1.48  augustss }
    631   1.48  augustss 
    632   1.48  augustss void
    633  1.119  augustss uhci_freem(struct usbd_bus *bus, usb_dma_t *dma)
    634   1.48  augustss {
    635  1.183      fvdl #ifdef __NetBSD__
    636  1.183      fvdl 	if (dma->block->flags & USB_DMA_RESERVE) {
    637  1.183      fvdl 		usb_reserve_freem(&((struct uhci_softc *)bus)->sc_dma_reserve,
    638  1.183      fvdl 		    dma);
    639  1.183      fvdl 		return;
    640  1.183      fvdl 	}
    641  1.183      fvdl #endif
    642   1.63  augustss 	usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma);
    643   1.76  augustss }
    644   1.76  augustss 
    645   1.76  augustss usbd_xfer_handle
    646  1.119  augustss uhci_allocx(struct usbd_bus *bus)
    647   1.76  augustss {
    648   1.76  augustss 	struct uhci_softc *sc = (struct uhci_softc *)bus;
    649   1.76  augustss 	usbd_xfer_handle xfer;
    650   1.76  augustss 
    651   1.76  augustss 	xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers);
    652   1.94  augustss 	if (xfer != NULL) {
    653  1.161     lukem 		SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, next);
    654   1.98  augustss #ifdef DIAGNOSTIC
    655   1.94  augustss 		if (xfer->busy_free != XFER_FREE) {
    656  1.105  augustss 			printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer,
    657   1.94  augustss 			       xfer->busy_free);
    658   1.94  augustss 		}
    659   1.98  augustss #endif
    660   1.94  augustss 	} else {
    661   1.92  augustss 		xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT);
    662   1.94  augustss 	}
    663   1.92  augustss 	if (xfer != NULL) {
    664   1.92  augustss 		memset(xfer, 0, sizeof (struct uhci_xfer));
    665   1.92  augustss 		UXFER(xfer)->iinfo.sc = sc;
    666   1.92  augustss #ifdef DIAGNOSTIC
    667   1.92  augustss 		UXFER(xfer)->iinfo.isdone = 1;
    668  1.135  augustss 		xfer->busy_free = XFER_BUSY;
    669   1.92  augustss #endif
    670   1.92  augustss 	}
    671   1.76  augustss 	return (xfer);
    672   1.76  augustss }
    673   1.76  augustss 
    674   1.76  augustss void
    675  1.119  augustss uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer)
    676   1.76  augustss {
    677   1.76  augustss 	struct uhci_softc *sc = (struct uhci_softc *)bus;
    678   1.76  augustss 
    679   1.93  augustss #ifdef DIAGNOSTIC
    680   1.94  augustss 	if (xfer->busy_free != XFER_BUSY) {
    681   1.94  augustss 		printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer,
    682   1.94  augustss 		       xfer->busy_free);
    683   1.93  augustss 		return;
    684   1.93  augustss 	}
    685   1.94  augustss 	xfer->busy_free = XFER_FREE;
    686  1.105  augustss 	if (!UXFER(xfer)->iinfo.isdone) {
    687   1.96  augustss 		printf("uhci_freex: !isdone\n");
    688  1.105  augustss 		return;
    689  1.105  augustss 	}
    690   1.93  augustss #endif
    691   1.76  augustss 	SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next);
    692   1.48  augustss }
    693   1.48  augustss 
    694   1.72  augustss /*
    695   1.72  augustss  * Shut down the controller when the system is going down.
    696   1.72  augustss  */
    697   1.72  augustss void
    698  1.119  augustss uhci_shutdown(void *v)
    699   1.72  augustss {
    700   1.72  augustss 	uhci_softc_t *sc = v;
    701  1.193  augustss 	int s;
    702   1.72  augustss 
    703   1.72  augustss 	DPRINTF(("uhci_shutdown: stopping the HC\n"));
    704  1.193  augustss 
    705  1.193  augustss 	/*
    706  1.193  augustss 	 * Use polling mode to prevent the interrupts shutting
    707  1.193  augustss 	 * us down before we shut them down.
    708  1.193  augustss 	 */
    709  1.193  augustss 	s = splhardusb();
    710  1.193  augustss 	sc->sc_bus.use_polling++;
    711   1.72  augustss 	uhci_run(sc, 0); /* stop the controller */
    712  1.193  augustss 	sc->sc_bus.use_polling--;
    713  1.193  augustss 	splx(s);
    714   1.72  augustss }
    715   1.72  augustss 
    716   1.30  augustss /*
    717   1.30  augustss  * Handle suspend/resume.
    718   1.30  augustss  *
    719   1.40  augustss  * We need to switch to polling mode here, because this routine is
    720  1.109  augustss  * called from an interrupt context.  This is all right since we
    721   1.40  augustss  * are almost suspended anyway.
    722   1.30  augustss  */
    723   1.30  augustss void
    724  1.119  augustss uhci_power(int why, void *v)
    725   1.30  augustss {
    726   1.30  augustss 	uhci_softc_t *sc = v;
    727   1.30  augustss 	int cmd;
    728   1.30  augustss 	int s;
    729   1.30  augustss 
    730  1.132  augustss 	s = splhardusb();
    731   1.30  augustss 	cmd = UREAD2(sc, UHCI_CMD);
    732   1.30  augustss 
    733  1.152  augustss 	DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n",
    734   1.30  augustss 		 sc, why, sc->sc_suspend, cmd));
    735   1.30  augustss 
    736  1.128  takemura 	switch (why) {
    737  1.128  takemura 	case PWR_SUSPEND:
    738  1.128  takemura 	case PWR_STANDBY:
    739   1.67  augustss #ifdef UHCI_DEBUG
    740   1.30  augustss 		if (uhcidebug > 2)
    741   1.30  augustss 			uhci_dumpregs(sc);
    742   1.30  augustss #endif
    743   1.96  augustss 		if (sc->sc_intr_xfer != NULL)
    744   1.96  augustss 			usb_uncallout(sc->sc_poll_handle, uhci_poll_hub,
    745   1.96  augustss 			    sc->sc_intr_xfer);
    746   1.54  augustss 		sc->sc_bus.use_polling++;
    747   1.30  augustss 		uhci_run(sc, 0); /* stop the controller */
    748   1.86  augustss 
    749   1.86  augustss 		/* save some state if BIOS doesn't */
    750   1.86  augustss 		sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM);
    751   1.86  augustss 		sc->sc_saved_sof = UREAD1(sc, UHCI_SOF);
    752   1.88   tsutsui 
    753  1.134  augustss 		UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */
    754  1.134  augustss 
    755   1.30  augustss 		UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */
    756   1.40  augustss 		usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT);
    757   1.30  augustss 		sc->sc_suspend = why;
    758   1.61  augustss 		sc->sc_bus.use_polling--;
    759   1.30  augustss 		DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD)));
    760  1.128  takemura 		break;
    761  1.128  takemura 	case PWR_RESUME:
    762   1.60  augustss #ifdef DIAGNOSTIC
    763   1.61  augustss 		if (sc->sc_suspend == PWR_RESUME)
    764   1.61  augustss 			printf("uhci_power: weird, resume without suspend.\n");
    765   1.60  augustss #endif
    766   1.61  augustss 		sc->sc_bus.use_polling++;
    767   1.30  augustss 		sc->sc_suspend = why;
    768   1.30  augustss 		if (cmd & UHCI_CMD_RS)
    769   1.30  augustss 			uhci_run(sc, 0); /* in case BIOS has started it */
    770   1.86  augustss 
    771   1.86  augustss 		/* restore saved state */
    772  1.160  augustss 		UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma, 0));
    773   1.86  augustss 		UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum);
    774   1.86  augustss 		UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof);
    775   1.86  augustss 
    776   1.30  augustss 		UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */
    777   1.40  augustss 		usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY);
    778   1.30  augustss 		UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */
    779  1.167  augustss 		UHCICMD(sc, UHCI_CMD_MAXP);
    780  1.152  augustss 		UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE |
    781   1.30  augustss 			UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */
    782   1.30  augustss 		uhci_run(sc, 1); /* and start traffic again */
    783   1.40  augustss 		usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY);
    784   1.54  augustss 		sc->sc_bus.use_polling--;
    785   1.96  augustss 		if (sc->sc_intr_xfer != NULL)
    786   1.96  augustss 			usb_callout(sc->sc_poll_handle, sc->sc_ival,
    787   1.96  augustss 				    uhci_poll_hub, sc->sc_intr_xfer);
    788   1.67  augustss #ifdef UHCI_DEBUG
    789   1.30  augustss 		if (uhcidebug > 2)
    790   1.30  augustss 			uhci_dumpregs(sc);
    791   1.30  augustss #endif
    792  1.128  takemura 		break;
    793  1.128  takemura 	case PWR_SOFTSUSPEND:
    794  1.128  takemura 	case PWR_SOFTSTANDBY:
    795  1.128  takemura 	case PWR_SOFTRESUME:
    796  1.128  takemura 		break;
    797   1.30  augustss 	}
    798   1.30  augustss 	splx(s);
    799   1.30  augustss }
    800   1.30  augustss 
    801   1.59  augustss #ifdef UHCI_DEBUG
    802  1.101  augustss Static void
    803  1.119  augustss uhci_dumpregs(uhci_softc_t *sc)
    804    1.1  augustss {
    805   1.48  augustss 	DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, "
    806   1.48  augustss 		     "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n",
    807   1.48  augustss 		     USBDEVNAME(sc->sc_bus.bdev),
    808   1.48  augustss 		     UREAD2(sc, UHCI_CMD),
    809   1.48  augustss 		     UREAD2(sc, UHCI_STS),
    810   1.48  augustss 		     UREAD2(sc, UHCI_INTR),
    811   1.48  augustss 		     UREAD2(sc, UHCI_FRNUM),
    812   1.48  augustss 		     UREAD4(sc, UHCI_FLBASEADDR),
    813   1.48  augustss 		     UREAD1(sc, UHCI_SOF),
    814   1.48  augustss 		     UREAD2(sc, UHCI_PORTSC1),
    815   1.48  augustss 		     UREAD2(sc, UHCI_PORTSC2)));
    816    1.1  augustss }
    817    1.1  augustss 
    818    1.1  augustss void
    819  1.119  augustss uhci_dump_td(uhci_soft_td_t *p)
    820    1.1  augustss {
    821  1.122        tv 	char sbuf[128], sbuf2[128];
    822  1.122        tv 
    823   1.48  augustss 	DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx "
    824   1.48  augustss 		     "token=0x%08lx buffer=0x%08lx\n",
    825   1.48  augustss 		     p, (long)p->physaddr,
    826   1.88   tsutsui 		     (long)le32toh(p->td.td_link),
    827   1.88   tsutsui 		     (long)le32toh(p->td.td_status),
    828   1.88   tsutsui 		     (long)le32toh(p->td.td_token),
    829   1.88   tsutsui 		     (long)le32toh(p->td.td_buffer)));
    830  1.122        tv 
    831  1.147  augustss 	bitmask_snprintf((u_int32_t)le32toh(p->td.td_link), "\20\1T\2Q\3VF",
    832  1.122        tv 			 sbuf, sizeof(sbuf));
    833  1.147  augustss 	bitmask_snprintf((u_int32_t)le32toh(p->td.td_status),
    834  1.122        tv 			 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27"
    835  1.122        tv 			 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD",
    836  1.122        tv 			 sbuf2, sizeof(sbuf2));
    837  1.122        tv 
    838  1.122        tv 	DPRINTFN(-1,("  %s %s,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d,"
    839  1.122        tv 		     "D=%d,maxlen=%d\n", sbuf, sbuf2,
    840   1.88   tsutsui 		     UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)),
    841   1.88   tsutsui 		     UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)),
    842   1.88   tsutsui 		     UHCI_TD_GET_PID(le32toh(p->td.td_token)),
    843   1.88   tsutsui 		     UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)),
    844   1.88   tsutsui 		     UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)),
    845   1.88   tsutsui 		     UHCI_TD_GET_DT(le32toh(p->td.td_token)),
    846   1.88   tsutsui 		     UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token))));
    847    1.1  augustss }
    848    1.1  augustss 
    849    1.1  augustss void
    850  1.119  augustss uhci_dump_qh(uhci_soft_qh_t *sqh)
    851    1.1  augustss {
    852   1.67  augustss 	DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh,
    853   1.88   tsutsui 	    (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink),
    854   1.88   tsutsui 	    le32toh(sqh->qh.qh_elink)));
    855    1.1  augustss }
    856    1.1  augustss 
    857   1.13  augustss 
    858  1.110  augustss #if 1
    859    1.1  augustss void
    860  1.119  augustss uhci_dump(void)
    861    1.1  augustss {
    862  1.110  augustss 	uhci_dump_all(thesc);
    863  1.110  augustss }
    864  1.110  augustss #endif
    865    1.1  augustss 
    866  1.110  augustss void
    867  1.119  augustss uhci_dump_all(uhci_softc_t *sc)
    868  1.110  augustss {
    869    1.1  augustss 	uhci_dumpregs(sc);
    870   1.50  augustss 	printf("intrs=%d\n", sc->sc_bus.no_intrs);
    871  1.110  augustss 	/*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/
    872  1.123  augustss 	uhci_dump_qh(sc->sc_lctl_start);
    873    1.1  augustss }
    874    1.1  augustss 
    875   1.67  augustss 
    876   1.67  augustss void
    877  1.119  augustss uhci_dump_qhs(uhci_soft_qh_t *sqh)
    878   1.67  augustss {
    879   1.67  augustss 	uhci_dump_qh(sqh);
    880   1.67  augustss 
    881   1.67  augustss 	/* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards
    882   1.67  augustss 	 * Traverses sideways first, then down.
    883   1.67  augustss 	 *
    884   1.67  augustss 	 * QH1
    885   1.67  augustss 	 * QH2
    886   1.67  augustss 	 * No QH
    887   1.67  augustss 	 * TD2.1
    888   1.67  augustss 	 * TD2.2
    889   1.67  augustss 	 * TD1.1
    890   1.67  augustss 	 * etc.
    891   1.67  augustss 	 *
    892   1.67  augustss 	 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1.
    893   1.67  augustss 	 */
    894   1.67  augustss 
    895   1.67  augustss 
    896   1.88   tsutsui 	if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T))
    897   1.67  augustss 		uhci_dump_qhs(sqh->hlink);
    898   1.67  augustss 	else
    899   1.67  augustss 		DPRINTF(("No QH\n"));
    900   1.67  augustss 
    901   1.88   tsutsui 	if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T))
    902   1.67  augustss 		uhci_dump_tds(sqh->elink);
    903   1.67  augustss 	else
    904   1.67  augustss 		DPRINTF(("No TD\n"));
    905   1.67  augustss }
    906   1.67  augustss 
    907    1.1  augustss void
    908  1.119  augustss uhci_dump_tds(uhci_soft_td_t *std)
    909    1.1  augustss {
    910   1.67  augustss 	uhci_soft_td_t *td;
    911   1.67  augustss 
    912   1.67  augustss 	for(td = std; td != NULL; td = td->link.std) {
    913   1.67  augustss 		uhci_dump_td(td);
    914    1.1  augustss 
    915   1.67  augustss 		/* Check whether the link pointer in this TD marks
    916   1.67  augustss 		 * the link pointer as end of queue. This avoids
    917   1.67  augustss 		 * printing the free list in case the queue/TD has
    918   1.67  augustss 		 * already been moved there (seatbelt).
    919   1.67  augustss 		 */
    920   1.88   tsutsui 		if (le32toh(td->td.td_link) & UHCI_PTR_T ||
    921   1.88   tsutsui 		    le32toh(td->td.td_link) == 0)
    922   1.67  augustss 			break;
    923   1.67  augustss 	}
    924    1.1  augustss }
    925   1.92  augustss 
    926  1.101  augustss Static void
    927  1.119  augustss uhci_dump_ii(uhci_intr_info_t *ii)
    928   1.92  augustss {
    929   1.95  augustss 	usbd_pipe_handle pipe;
    930   1.95  augustss 	usb_endpoint_descriptor_t *ed;
    931   1.95  augustss 	usbd_device_handle dev;
    932  1.152  augustss 
    933   1.98  augustss #ifdef DIAGNOSTIC
    934   1.98  augustss #define DONE ii->isdone
    935   1.98  augustss #else
    936   1.98  augustss #define DONE 0
    937   1.98  augustss #endif
    938   1.95  augustss         if (ii == NULL) {
    939   1.95  augustss                 printf("ii NULL\n");
    940   1.95  augustss                 return;
    941   1.95  augustss         }
    942   1.95  augustss         if (ii->xfer == NULL) {
    943   1.95  augustss 		printf("ii %p: done=%d xfer=NULL\n",
    944   1.98  augustss 		       ii, DONE);
    945   1.95  augustss                 return;
    946   1.95  augustss         }
    947   1.95  augustss         pipe = ii->xfer->pipe;
    948   1.95  augustss         if (pipe == NULL) {
    949   1.95  augustss 		printf("ii %p: done=%d xfer=%p pipe=NULL\n",
    950   1.98  augustss 		       ii, DONE, ii->xfer);
    951  1.139  augustss                 return;
    952  1.139  augustss 	}
    953  1.139  augustss         if (pipe->endpoint == NULL) {
    954  1.139  augustss 		printf("ii %p: done=%d xfer=%p pipe=%p pipe->endpoint=NULL\n",
    955  1.139  augustss 		       ii, DONE, ii->xfer, pipe);
    956  1.139  augustss                 return;
    957  1.139  augustss 	}
    958  1.139  augustss         if (pipe->device == NULL) {
    959  1.139  augustss 		printf("ii %p: done=%d xfer=%p pipe=%p pipe->device=NULL\n",
    960  1.139  augustss 		       ii, DONE, ii->xfer, pipe);
    961   1.95  augustss                 return;
    962   1.95  augustss 	}
    963   1.95  augustss         ed = pipe->endpoint->edesc;
    964   1.95  augustss         dev = pipe->device;
    965  1.152  augustss 	printf("ii %p: done=%d xfer=%p dev=%p vid=0x%04x pid=0x%04x addr=%d pipe=%p ep=0x%02x attr=0x%02x\n",
    966  1.152  augustss 	       ii, DONE, ii->xfer, dev,
    967   1.95  augustss 	       UGETW(dev->ddesc.idVendor),
    968   1.92  augustss 	       UGETW(dev->ddesc.idProduct),
    969   1.92  augustss 	       dev->address, pipe,
    970   1.92  augustss 	       ed->bEndpointAddress, ed->bmAttributes);
    971   1.98  augustss #undef DONE
    972   1.92  augustss }
    973   1.92  augustss 
    974  1.120  augustss void uhci_dump_iis(struct uhci_softc *sc);
    975   1.92  augustss void
    976  1.119  augustss uhci_dump_iis(struct uhci_softc *sc)
    977   1.92  augustss {
    978   1.92  augustss 	uhci_intr_info_t *ii;
    979   1.92  augustss 
    980   1.92  augustss 	printf("intr_info list:\n");
    981   1.92  augustss 	for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list))
    982   1.92  augustss 		uhci_dump_ii(ii);
    983   1.92  augustss }
    984   1.92  augustss 
    985  1.120  augustss void iidump(void);
    986  1.119  augustss void iidump(void) { uhci_dump_iis(thesc); }
    987   1.92  augustss 
    988    1.1  augustss #endif
    989    1.1  augustss 
    990    1.1  augustss /*
    991    1.1  augustss  * This routine is executed periodically and simulates interrupts
    992    1.1  augustss  * from the root controller interrupt pipe for port status change.
    993    1.1  augustss  */
    994    1.1  augustss void
    995  1.119  augustss uhci_poll_hub(void *addr)
    996    1.1  augustss {
    997   1.63  augustss 	usbd_xfer_handle xfer = addr;
    998   1.63  augustss 	usbd_pipe_handle pipe = xfer->pipe;
    999    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
   1000    1.1  augustss 	int s;
   1001    1.1  augustss 	u_char *p;
   1002    1.1  augustss 
   1003   1.96  augustss 	DPRINTFN(20, ("uhci_poll_hub\n"));
   1004    1.1  augustss 
   1005   1.96  augustss 	usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer);
   1006   1.41  augustss 
   1007  1.159  augustss 	p = KERNADDR(&xfer->dmabuf, 0);
   1008    1.1  augustss 	p[0] = 0;
   1009    1.1  augustss 	if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC))
   1010    1.1  augustss 		p[0] |= 1<<1;
   1011    1.1  augustss 	if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC))
   1012    1.1  augustss 		p[0] |= 1<<2;
   1013   1.41  augustss 	if (p[0] == 0)
   1014   1.41  augustss 		/* No change, try again in a while */
   1015   1.41  augustss 		return;
   1016   1.41  augustss 
   1017   1.63  augustss 	xfer->actlen = 1;
   1018   1.63  augustss 	xfer->status = USBD_NORMAL_COMPLETION;
   1019   1.16  augustss 	s = splusb();
   1020   1.63  augustss 	xfer->device->bus->intr_context++;
   1021   1.63  augustss 	usb_transfer_complete(xfer);
   1022   1.63  augustss 	xfer->device->bus->intr_context--;
   1023   1.41  augustss 	splx(s);
   1024   1.41  augustss }
   1025   1.41  augustss 
   1026   1.41  augustss void
   1027  1.119  augustss uhci_root_intr_done(usbd_xfer_handle xfer)
   1028   1.84  augustss {
   1029   1.84  augustss }
   1030   1.84  augustss 
   1031   1.84  augustss void
   1032  1.119  augustss uhci_root_ctrl_done(usbd_xfer_handle xfer)
   1033   1.41  augustss {
   1034    1.1  augustss }
   1035    1.1  augustss 
   1036  1.123  augustss /*
   1037  1.123  augustss  * Let the last QH loop back to the high speed control transfer QH.
   1038  1.123  augustss  * This is what intel calls "bandwidth reclamation" and improves
   1039  1.123  augustss  * USB performance a lot for some devices.
   1040  1.123  augustss  * If we are already looping, just count it.
   1041  1.123  augustss  */
   1042    1.1  augustss void
   1043  1.123  augustss uhci_add_loop(uhci_softc_t *sc) {
   1044  1.125  augustss #ifdef UHCI_DEBUG
   1045  1.125  augustss 	if (uhcinoloop)
   1046  1.125  augustss 		return;
   1047  1.125  augustss #endif
   1048  1.123  augustss 	if (++sc->sc_loops == 1) {
   1049  1.125  augustss 		DPRINTFN(5,("uhci_start_loop: add\n"));
   1050  1.123  augustss 		/* Note, we don't loop back the soft pointer. */
   1051  1.152  augustss 		sc->sc_last_qh->qh.qh_hlink =
   1052  1.123  augustss 		    htole32(sc->sc_hctl_start->physaddr | UHCI_PTR_QH);
   1053  1.123  augustss 	}
   1054  1.123  augustss }
   1055  1.123  augustss 
   1056  1.123  augustss void
   1057  1.123  augustss uhci_rem_loop(uhci_softc_t *sc) {
   1058  1.125  augustss #ifdef UHCI_DEBUG
   1059  1.125  augustss 	if (uhcinoloop)
   1060  1.125  augustss 		return;
   1061  1.125  augustss #endif
   1062  1.123  augustss 	if (--sc->sc_loops == 0) {
   1063  1.123  augustss 		DPRINTFN(5,("uhci_end_loop: remove\n"));
   1064  1.123  augustss 		sc->sc_last_qh->qh.qh_hlink = htole32(UHCI_PTR_T);
   1065  1.123  augustss 	}
   1066  1.123  augustss }
   1067  1.123  augustss 
   1068  1.123  augustss /* Add high speed control QH, called at splusb(). */
   1069  1.123  augustss void
   1070  1.123  augustss uhci_add_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1071    1.1  augustss {
   1072   1.42  augustss 	uhci_soft_qh_t *eqh;
   1073    1.1  augustss 
   1074   1.52  augustss 	SPLUSBCHECK;
   1075   1.52  augustss 
   1076    1.1  augustss 	DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh));
   1077  1.123  augustss 	eqh = sc->sc_hctl_end;
   1078   1.42  augustss 	sqh->hlink       = eqh->hlink;
   1079   1.42  augustss 	sqh->qh.qh_hlink = eqh->qh.qh_hlink;
   1080   1.42  augustss 	eqh->hlink       = sqh;
   1081  1.121  augustss 	eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
   1082  1.123  augustss 	sc->sc_hctl_end = sqh;
   1083  1.125  augustss #ifdef UHCI_CTL_LOOP
   1084  1.123  augustss 	uhci_add_loop(sc);
   1085  1.125  augustss #endif
   1086    1.1  augustss }
   1087    1.1  augustss 
   1088  1.123  augustss /* Remove high speed control QH, called at splusb(). */
   1089    1.1  augustss void
   1090  1.123  augustss uhci_remove_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1091    1.1  augustss {
   1092    1.1  augustss 	uhci_soft_qh_t *pqh;
   1093    1.1  augustss 
   1094   1.52  augustss 	SPLUSBCHECK;
   1095   1.52  augustss 
   1096  1.123  augustss 	DPRINTFN(10, ("uhci_remove_hs_ctrl: sqh=%p\n", sqh));
   1097  1.125  augustss #ifdef UHCI_CTL_LOOP
   1098  1.123  augustss 	uhci_rem_loop(sc);
   1099  1.125  augustss #endif
   1100  1.124  augustss 	/*
   1101  1.124  augustss 	 * The T bit should be set in the elink of the QH so that the HC
   1102  1.124  augustss 	 * doesn't follow the pointer.  This condition may fail if the
   1103  1.124  augustss 	 * the transferred packet was short so that the QH still points
   1104  1.124  augustss 	 * at the last used TD.
   1105  1.124  augustss 	 * In this case we set the T bit and wait a little for the HC
   1106  1.124  augustss 	 * to stop looking at the TD.
   1107  1.124  augustss 	 */
   1108  1.124  augustss 	if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
   1109  1.124  augustss 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
   1110  1.124  augustss 		delay(UHCI_QH_REMOVE_DELAY);
   1111  1.124  augustss 	}
   1112  1.124  augustss 
   1113  1.123  augustss 	pqh = uhci_find_prev_qh(sc->sc_hctl_start, sqh);
   1114  1.152  augustss 	pqh->hlink = sqh->hlink;
   1115   1.42  augustss 	pqh->qh.qh_hlink = sqh->qh.qh_hlink;
   1116  1.124  augustss 	delay(UHCI_QH_REMOVE_DELAY);
   1117  1.123  augustss 	if (sc->sc_hctl_end == sqh)
   1118  1.123  augustss 		sc->sc_hctl_end = pqh;
   1119  1.123  augustss }
   1120  1.123  augustss 
   1121  1.123  augustss /* Add low speed control QH, called at splusb(). */
   1122  1.123  augustss void
   1123  1.123  augustss uhci_add_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1124  1.123  augustss {
   1125  1.123  augustss 	uhci_soft_qh_t *eqh;
   1126  1.123  augustss 
   1127  1.123  augustss 	SPLUSBCHECK;
   1128  1.123  augustss 
   1129  1.123  augustss 	DPRINTFN(10, ("uhci_add_ls_ctrl: sqh=%p\n", sqh));
   1130  1.123  augustss 	eqh = sc->sc_lctl_end;
   1131  1.152  augustss 	sqh->hlink = eqh->hlink;
   1132  1.123  augustss 	sqh->qh.qh_hlink = eqh->qh.qh_hlink;
   1133  1.152  augustss 	eqh->hlink = sqh;
   1134  1.123  augustss 	eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
   1135  1.123  augustss 	sc->sc_lctl_end = sqh;
   1136  1.123  augustss }
   1137  1.123  augustss 
   1138  1.123  augustss /* Remove low speed control QH, called at splusb(). */
   1139  1.123  augustss void
   1140  1.123  augustss uhci_remove_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1141  1.123  augustss {
   1142  1.123  augustss 	uhci_soft_qh_t *pqh;
   1143  1.123  augustss 
   1144  1.123  augustss 	SPLUSBCHECK;
   1145  1.123  augustss 
   1146  1.123  augustss 	DPRINTFN(10, ("uhci_remove_ls_ctrl: sqh=%p\n", sqh));
   1147  1.124  augustss 	/* See comment in uhci_remove_hs_ctrl() */
   1148  1.124  augustss 	if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
   1149  1.124  augustss 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
   1150  1.124  augustss 		delay(UHCI_QH_REMOVE_DELAY);
   1151  1.124  augustss 	}
   1152  1.123  augustss 	pqh = uhci_find_prev_qh(sc->sc_lctl_start, sqh);
   1153  1.152  augustss 	pqh->hlink = sqh->hlink;
   1154  1.123  augustss 	pqh->qh.qh_hlink = sqh->qh.qh_hlink;
   1155  1.124  augustss 	delay(UHCI_QH_REMOVE_DELAY);
   1156  1.123  augustss 	if (sc->sc_lctl_end == sqh)
   1157  1.123  augustss 		sc->sc_lctl_end = pqh;
   1158    1.1  augustss }
   1159    1.1  augustss 
   1160    1.1  augustss /* Add bulk QH, called at splusb(). */
   1161    1.1  augustss void
   1162  1.119  augustss uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1163    1.1  augustss {
   1164   1.42  augustss 	uhci_soft_qh_t *eqh;
   1165    1.1  augustss 
   1166   1.52  augustss 	SPLUSBCHECK;
   1167   1.52  augustss 
   1168    1.1  augustss 	DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh));
   1169   1.42  augustss 	eqh = sc->sc_bulk_end;
   1170  1.152  augustss 	sqh->hlink = eqh->hlink;
   1171   1.42  augustss 	sqh->qh.qh_hlink = eqh->qh.qh_hlink;
   1172  1.152  augustss 	eqh->hlink = sqh;
   1173  1.121  augustss 	eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
   1174    1.1  augustss 	sc->sc_bulk_end = sqh;
   1175  1.123  augustss 	uhci_add_loop(sc);
   1176    1.1  augustss }
   1177    1.1  augustss 
   1178    1.1  augustss /* Remove bulk QH, called at splusb(). */
   1179    1.1  augustss void
   1180  1.119  augustss uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1181    1.1  augustss {
   1182    1.1  augustss 	uhci_soft_qh_t *pqh;
   1183    1.1  augustss 
   1184   1.52  augustss 	SPLUSBCHECK;
   1185   1.52  augustss 
   1186    1.1  augustss 	DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh));
   1187  1.123  augustss 	uhci_rem_loop(sc);
   1188  1.124  augustss 	/* See comment in uhci_remove_hs_ctrl() */
   1189  1.124  augustss 	if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
   1190  1.124  augustss 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
   1191  1.124  augustss 		delay(UHCI_QH_REMOVE_DELAY);
   1192  1.124  augustss 	}
   1193   1.92  augustss 	pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh);
   1194   1.42  augustss 	pqh->hlink       = sqh->hlink;
   1195   1.42  augustss 	pqh->qh.qh_hlink = sqh->qh.qh_hlink;
   1196  1.124  augustss 	delay(UHCI_QH_REMOVE_DELAY);
   1197    1.1  augustss 	if (sc->sc_bulk_end == sqh)
   1198    1.1  augustss 		sc->sc_bulk_end = pqh;
   1199    1.1  augustss }
   1200    1.1  augustss 
   1201  1.141  augustss Static int uhci_intr1(uhci_softc_t *);
   1202  1.141  augustss 
   1203    1.1  augustss int
   1204  1.119  augustss uhci_intr(void *arg)
   1205    1.1  augustss {
   1206   1.44  augustss 	uhci_softc_t *sc = arg;
   1207  1.146  augustss 
   1208  1.146  augustss 	if (sc->sc_dying)
   1209  1.146  augustss 		return (0);
   1210  1.141  augustss 
   1211  1.141  augustss 	if (sc->sc_bus.use_polling) {
   1212  1.141  augustss #ifdef DIAGNOSTIC
   1213  1.179   mycroft 		DPRINTFN(16, ("uhci_intr: ignored interrupt while polling\n"));
   1214  1.141  augustss #endif
   1215  1.141  augustss 		return (0);
   1216  1.141  augustss 	}
   1217  1.179   mycroft 
   1218  1.141  augustss 	return (uhci_intr1(sc));
   1219  1.141  augustss }
   1220  1.141  augustss 
   1221  1.141  augustss int
   1222  1.141  augustss uhci_intr1(uhci_softc_t *sc)
   1223  1.141  augustss {
   1224   1.44  augustss 	int status;
   1225   1.44  augustss 	int ack;
   1226    1.1  augustss 
   1227   1.67  augustss #ifdef UHCI_DEBUG
   1228   1.44  augustss 	if (uhcidebug > 15) {
   1229  1.141  augustss 		DPRINTF(("%s: uhci_intr1\n", USBDEVNAME(sc->sc_bus.bdev)));
   1230    1.1  augustss 		uhci_dumpregs(sc);
   1231    1.1  augustss 	}
   1232    1.1  augustss #endif
   1233  1.117  augustss 
   1234  1.153  augustss 	status = UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS;
   1235  1.127     soren 	if (status == 0)	/* The interrupt was not for us. */
   1236  1.127     soren 		return (0);
   1237  1.127     soren 
   1238  1.117  augustss 	if (sc->sc_suspend != PWR_RESUME) {
   1239  1.117  augustss 		printf("%s: interrupt while not operating ignored\n",
   1240  1.117  augustss 		       USBDEVNAME(sc->sc_bus.bdev));
   1241  1.134  augustss 		UWRITE2(sc, UHCI_STS, status); /* acknowledge the ints */
   1242  1.117  augustss 		return (0);
   1243  1.117  augustss 	}
   1244   1.44  augustss 
   1245   1.44  augustss 	ack = 0;
   1246   1.44  augustss 	if (status & UHCI_STS_USBINT)
   1247   1.44  augustss 		ack |= UHCI_STS_USBINT;
   1248   1.44  augustss 	if (status & UHCI_STS_USBEI)
   1249   1.44  augustss 		ack |= UHCI_STS_USBEI;
   1250    1.1  augustss 	if (status & UHCI_STS_RD) {
   1251   1.44  augustss 		ack |= UHCI_STS_RD;
   1252  1.118  augustss #ifdef UHCI_DEBUG
   1253   1.46  augustss 		printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev));
   1254  1.118  augustss #endif
   1255    1.1  augustss 	}
   1256    1.1  augustss 	if (status & UHCI_STS_HSE) {
   1257   1.44  augustss 		ack |= UHCI_STS_HSE;
   1258   1.81  augustss 		printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev));
   1259    1.1  augustss 	}
   1260    1.1  augustss 	if (status & UHCI_STS_HCPE) {
   1261   1.44  augustss 		ack |= UHCI_STS_HCPE;
   1262  1.152  augustss 		printf("%s: host controller process error\n",
   1263   1.81  augustss 		       USBDEVNAME(sc->sc_bus.bdev));
   1264   1.44  augustss 	}
   1265   1.44  augustss 	if (status & UHCI_STS_HCH) {
   1266   1.44  augustss 		/* no acknowledge needed */
   1267  1.136  augustss 		if (!sc->sc_dying) {
   1268  1.152  augustss 			printf("%s: host controller halted\n",
   1269  1.129  augustss 			    USBDEVNAME(sc->sc_bus.bdev));
   1270  1.110  augustss #ifdef UHCI_DEBUG
   1271  1.136  augustss 			uhci_dump_all(sc);
   1272  1.110  augustss #endif
   1273  1.136  augustss 		}
   1274  1.136  augustss 		sc->sc_dying = 1;
   1275    1.1  augustss 	}
   1276   1.44  augustss 
   1277  1.132  augustss 	if (!ack)
   1278  1.132  augustss 		return (0);	/* nothing to acknowledge */
   1279  1.132  augustss 	UWRITE2(sc, UHCI_STS, ack); /* acknowledge the ints */
   1280    1.1  augustss 
   1281   1.85  augustss 	sc->sc_bus.no_intrs++;
   1282   1.85  augustss 	usb_schedsoftintr(&sc->sc_bus);
   1283   1.85  augustss 
   1284  1.175   mycroft 	DPRINTFN(15, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev)));
   1285   1.85  augustss 
   1286   1.85  augustss 	return (1);
   1287   1.85  augustss }
   1288   1.85  augustss 
   1289   1.85  augustss void
   1290  1.133  augustss uhci_softintr(void *v)
   1291   1.85  augustss {
   1292  1.133  augustss 	uhci_softc_t *sc = v;
   1293  1.178    martin 	uhci_intr_info_t *ii, *nextii;
   1294   1.85  augustss 
   1295  1.140  augustss 	DPRINTFN(10,("%s: uhci_softintr (%d)\n", USBDEVNAME(sc->sc_bus.bdev),
   1296  1.140  augustss 		     sc->sc_bus.intr_context));
   1297   1.85  augustss 
   1298   1.51  augustss 	sc->sc_bus.intr_context++;
   1299   1.50  augustss 
   1300    1.1  augustss 	/*
   1301    1.1  augustss 	 * Interrupts on UHCI really suck.  When the host controller
   1302    1.1  augustss 	 * interrupts because a transfer is completed there is no
   1303    1.1  augustss 	 * way of knowing which transfer it was.  You can scan down
   1304    1.1  augustss 	 * the TDs and QHs of the previous frame to limit the search,
   1305    1.1  augustss 	 * but that assumes that the interrupt was not delayed by more
   1306    1.1  augustss 	 * than 1 ms, which may not always be true (e.g. after debug
   1307    1.1  augustss 	 * output on a slow console).
   1308    1.1  augustss 	 * We scan all interrupt descriptors to see if any have
   1309    1.1  augustss 	 * completed.
   1310    1.1  augustss 	 */
   1311  1.178    martin 	for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = nextii) {
   1312  1.178    martin 		nextii = LIST_NEXT(ii, list);
   1313    1.1  augustss 		uhci_check_intr(sc, ii);
   1314  1.178    martin 	}
   1315    1.1  augustss 
   1316  1.164  augustss #ifdef USB_USE_SOFTINTR
   1317  1.153  augustss 	if (sc->sc_softwake) {
   1318  1.153  augustss 		sc->sc_softwake = 0;
   1319  1.153  augustss 		wakeup(&sc->sc_softwake);
   1320  1.153  augustss 	}
   1321  1.164  augustss #endif /* USB_USE_SOFTINTR */
   1322  1.153  augustss 
   1323   1.51  augustss 	sc->sc_bus.intr_context--;
   1324    1.1  augustss }
   1325    1.1  augustss 
   1326    1.1  augustss /* Check for an interrupt. */
   1327    1.1  augustss void
   1328  1.119  augustss uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii)
   1329    1.1  augustss {
   1330    1.1  augustss 	uhci_soft_td_t *std, *lstd;
   1331   1.18  augustss 	u_int32_t status;
   1332    1.1  augustss 
   1333    1.1  augustss 	DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii));
   1334    1.1  augustss #ifdef DIAGNOSTIC
   1335   1.63  augustss 	if (ii == NULL) {
   1336    1.1  augustss 		printf("uhci_check_intr: no ii? %p\n", ii);
   1337    1.1  augustss 		return;
   1338    1.1  augustss 	}
   1339    1.1  augustss #endif
   1340  1.155  augustss 	if (ii->xfer->status == USBD_CANCELLED ||
   1341  1.155  augustss 	    ii->xfer->status == USBD_TIMEOUT) {
   1342  1.155  augustss 		DPRINTF(("uhci_check_intr: aborted xfer=%p\n", ii->xfer));
   1343  1.155  augustss 		return;
   1344  1.155  augustss 	}
   1345  1.155  augustss 
   1346   1.63  augustss 	if (ii->stdstart == NULL)
   1347    1.1  augustss 		return;
   1348    1.1  augustss 	lstd = ii->stdend;
   1349    1.1  augustss #ifdef DIAGNOSTIC
   1350   1.63  augustss 	if (lstd == NULL) {
   1351    1.1  augustss 		printf("uhci_check_intr: std==0\n");
   1352    1.1  augustss 		return;
   1353    1.1  augustss 	}
   1354    1.1  augustss #endif
   1355  1.152  augustss 	/*
   1356   1.26  augustss 	 * If the last TD is still active we need to check whether there
   1357  1.186     skrll 	 * is an error somewhere in the middle, or whether there was a
   1358   1.26  augustss 	 * short packet (SPD and not ACTIVE).
   1359   1.26  augustss 	 */
   1360   1.88   tsutsui 	if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) {
   1361   1.92  augustss 		DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii));
   1362   1.48  augustss 		for (std = ii->stdstart; std != lstd; std = std->link.std) {
   1363   1.88   tsutsui 			status = le32toh(std->td.td_status);
   1364   1.83  augustss 			/* If there's an active TD the xfer isn't done. */
   1365   1.83  augustss 			if (status & UHCI_TD_ACTIVE)
   1366   1.83  augustss 				break;
   1367   1.83  augustss 			/* Any kind of error makes the xfer done. */
   1368   1.83  augustss 			if (status & UHCI_TD_STALLED)
   1369   1.83  augustss 				goto done;
   1370   1.83  augustss 			/* We want short packets, and it is short: it's done */
   1371   1.83  augustss 			if ((status & UHCI_TD_SPD) &&
   1372  1.152  augustss 			      UHCI_TD_GET_ACTLEN(status) <
   1373   1.88   tsutsui 			      UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)))
   1374    1.1  augustss 				goto done;
   1375   1.18  augustss 		}
   1376   1.92  augustss 		DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n",
   1377   1.18  augustss 			      ii, ii->stdstart));
   1378    1.1  augustss 		return;
   1379    1.1  augustss 	}
   1380    1.1  augustss  done:
   1381   1.92  augustss 	DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii));
   1382   1.96  augustss 	usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii);
   1383   1.36  augustss 	uhci_idone(ii);
   1384    1.1  augustss }
   1385    1.1  augustss 
   1386   1.52  augustss /* Called at splusb() */
   1387    1.1  augustss void
   1388  1.119  augustss uhci_idone(uhci_intr_info_t *ii)
   1389    1.1  augustss {
   1390   1.63  augustss 	usbd_xfer_handle xfer = ii->xfer;
   1391   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   1392    1.1  augustss 	uhci_soft_td_t *std;
   1393   1.67  augustss 	u_int32_t status = 0, nstatus;
   1394   1.26  augustss 	int actlen;
   1395    1.1  augustss 
   1396  1.140  augustss 	DPRINTFN(12, ("uhci_idone: ii=%p\n", ii));
   1397    1.7  augustss #ifdef DIAGNOSTIC
   1398    1.7  augustss 	{
   1399    1.7  augustss 		int s = splhigh();
   1400    1.7  augustss 		if (ii->isdone) {
   1401   1.26  augustss 			splx(s);
   1402   1.92  augustss #ifdef UHCI_DEBUG
   1403   1.92  augustss 			printf("uhci_idone: ii is done!\n   ");
   1404   1.92  augustss 			uhci_dump_ii(ii);
   1405   1.92  augustss #else
   1406   1.36  augustss 			printf("uhci_idone: ii=%p is done!\n", ii);
   1407   1.92  augustss #endif
   1408    1.7  augustss 			return;
   1409    1.7  augustss 		}
   1410    1.7  augustss 		ii->isdone = 1;
   1411    1.7  augustss 		splx(s);
   1412    1.7  augustss 	}
   1413    1.7  augustss #endif
   1414   1.48  augustss 
   1415   1.63  augustss 	if (xfer->nframes != 0) {
   1416   1.48  augustss 		/* Isoc transfer, do things differently. */
   1417   1.48  augustss 		uhci_soft_td_t **stds = upipe->u.iso.stds;
   1418  1.126  augustss 		int i, n, nframes, len;
   1419   1.48  augustss 
   1420   1.48  augustss 		DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii));
   1421   1.48  augustss 
   1422   1.63  augustss 		nframes = xfer->nframes;
   1423   1.48  augustss 		actlen = 0;
   1424   1.92  augustss 		n = UXFER(xfer)->curframe;
   1425   1.48  augustss 		for (i = 0; i < nframes; i++) {
   1426   1.48  augustss 			std = stds[n];
   1427   1.59  augustss #ifdef UHCI_DEBUG
   1428   1.48  augustss 			if (uhcidebug > 5) {
   1429   1.48  augustss 				DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i));
   1430   1.48  augustss 				uhci_dump_td(std);
   1431   1.48  augustss 			}
   1432   1.48  augustss #endif
   1433   1.48  augustss 			if (++n >= UHCI_VFRAMELIST_COUNT)
   1434   1.48  augustss 				n = 0;
   1435   1.88   tsutsui 			status = le32toh(std->td.td_status);
   1436  1.126  augustss 			len = UHCI_TD_GET_ACTLEN(status);
   1437  1.126  augustss 			xfer->frlengths[i] = len;
   1438  1.126  augustss 			actlen += len;
   1439   1.48  augustss 		}
   1440   1.48  augustss 		upipe->u.iso.inuse -= nframes;
   1441   1.63  augustss 		xfer->actlen = actlen;
   1442   1.63  augustss 		xfer->status = USBD_NORMAL_COMPLETION;
   1443  1.140  augustss 		goto end;
   1444   1.48  augustss 	}
   1445   1.48  augustss 
   1446   1.59  augustss #ifdef UHCI_DEBUG
   1447   1.65  augustss 	DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n",
   1448   1.65  augustss 		      ii, xfer, upipe));
   1449   1.48  augustss 	if (uhcidebug > 10)
   1450   1.48  augustss 		uhci_dump_tds(ii->stdstart);
   1451   1.48  augustss #endif
   1452   1.48  augustss 
   1453   1.26  augustss 	/* The transfer is done, compute actual length and status. */
   1454   1.26  augustss 	actlen = 0;
   1455   1.63  augustss 	for (std = ii->stdstart; std != NULL; std = std->link.std) {
   1456   1.88   tsutsui 		nstatus = le32toh(std->td.td_status);
   1457   1.64  augustss 		if (nstatus & UHCI_TD_ACTIVE)
   1458   1.26  augustss 			break;
   1459   1.67  augustss 
   1460   1.64  augustss 		status = nstatus;
   1461   1.88   tsutsui 		if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) !=
   1462   1.88   tsutsui 			UHCI_TD_PID_SETUP)
   1463   1.26  augustss 			actlen += UHCI_TD_GET_ACTLEN(status);
   1464  1.176   mycroft 		else {
   1465  1.176   mycroft 			/*
   1466  1.176   mycroft 			 * UHCI will report CRCTO in addition to a STALL or NAK
   1467  1.176   mycroft 			 * for a SETUP transaction.  See section 3.2.2, "TD
   1468  1.176   mycroft 			 * CONTROL AND STATUS".
   1469  1.176   mycroft 			 */
   1470  1.176   mycroft 			if (status & (UHCI_TD_STALLED | UHCI_TD_NAK))
   1471  1.176   mycroft 				status &= ~UHCI_TD_CRCTO;
   1472  1.176   mycroft 		}
   1473    1.1  augustss 	}
   1474   1.38  augustss 	/* If there are left over TDs we need to update the toggle. */
   1475   1.63  augustss 	if (std != NULL)
   1476   1.88   tsutsui 		upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token));
   1477   1.38  augustss 
   1478    1.1  augustss 	status &= UHCI_TD_ERROR;
   1479  1.152  augustss 	DPRINTFN(10, ("uhci_idone: actlen=%d, status=0x%x\n",
   1480   1.26  augustss 		      actlen, status));
   1481   1.63  augustss 	xfer->actlen = actlen;
   1482    1.1  augustss 	if (status != 0) {
   1483  1.122        tv #ifdef UHCI_DEBUG
   1484  1.122        tv 		char sbuf[128];
   1485  1.122        tv 
   1486  1.147  augustss 		bitmask_snprintf((u_int32_t)status,
   1487  1.147  augustss 				 "\20\22BITSTUFF\23CRCTO\24NAK\25"
   1488  1.122        tv 				 "BABBLE\26DBUFFER\27STALLED\30ACTIVE",
   1489  1.122        tv 				 sbuf, sizeof(sbuf));
   1490  1.122        tv 
   1491   1.75  augustss 		DPRINTFN((status == UHCI_TD_STALLED)*10,
   1492   1.36  augustss 			 ("uhci_idone: error, addr=%d, endpt=0x%02x, "
   1493  1.122        tv 			  "status 0x%s\n",
   1494   1.63  augustss 			  xfer->pipe->device->address,
   1495   1.63  augustss 			  xfer->pipe->endpoint->edesc->bEndpointAddress,
   1496  1.122        tv 			  sbuf));
   1497  1.122        tv #endif
   1498  1.122        tv 
   1499    1.1  augustss 		if (status == UHCI_TD_STALLED)
   1500   1.63  augustss 			xfer->status = USBD_STALLED;
   1501    1.1  augustss 		else
   1502   1.63  augustss 			xfer->status = USBD_IOERROR; /* more info XXX */
   1503    1.1  augustss 	} else {
   1504   1.63  augustss 		xfer->status = USBD_NORMAL_COMPLETION;
   1505    1.1  augustss 	}
   1506  1.140  augustss 
   1507  1.140  augustss  end:
   1508   1.63  augustss 	usb_transfer_complete(xfer);
   1509  1.140  augustss 	DPRINTFN(12, ("uhci_idone: ii=%p done\n", ii));
   1510    1.1  augustss }
   1511    1.1  augustss 
   1512   1.13  augustss /*
   1513   1.13  augustss  * Called when a request does not complete.
   1514   1.13  augustss  */
   1515    1.1  augustss void
   1516  1.119  augustss uhci_timeout(void *addr)
   1517    1.1  augustss {
   1518    1.1  augustss 	uhci_intr_info_t *ii = addr;
   1519  1.153  augustss 	struct uhci_xfer *uxfer = UXFER(ii->xfer);
   1520  1.153  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)uxfer->xfer.pipe;
   1521  1.153  augustss 	uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus;
   1522  1.153  augustss 
   1523  1.153  augustss 	DPRINTF(("uhci_timeout: uxfer=%p\n", uxfer));
   1524  1.153  augustss 
   1525  1.153  augustss 	if (sc->sc_dying) {
   1526  1.153  augustss 		uhci_abort_xfer(&uxfer->xfer, USBD_TIMEOUT);
   1527  1.153  augustss 		return;
   1528  1.153  augustss 	}
   1529    1.1  augustss 
   1530  1.153  augustss 	/* Execute the abort in a process context. */
   1531  1.156  augustss 	usb_init_task(&uxfer->abort_task, uhci_timeout_task, ii->xfer);
   1532  1.153  augustss 	usb_add_task(uxfer->xfer.pipe->device, &uxfer->abort_task);
   1533  1.153  augustss }
   1534   1.51  augustss 
   1535  1.153  augustss void
   1536  1.153  augustss uhci_timeout_task(void *addr)
   1537  1.153  augustss {
   1538  1.153  augustss 	usbd_xfer_handle xfer = addr;
   1539  1.153  augustss 	int s;
   1540  1.153  augustss 
   1541  1.153  augustss 	DPRINTF(("uhci_timeout_task: xfer=%p\n", xfer));
   1542   1.67  augustss 
   1543  1.153  augustss 	s = splusb();
   1544  1.153  augustss 	uhci_abort_xfer(xfer, USBD_TIMEOUT);
   1545  1.153  augustss 	splx(s);
   1546    1.1  augustss }
   1547    1.1  augustss 
   1548    1.1  augustss /*
   1549    1.1  augustss  * Wait here until controller claims to have an interrupt.
   1550    1.1  augustss  * Then call uhci_intr and return.  Use timeout to avoid waiting
   1551    1.1  augustss  * too long.
   1552   1.13  augustss  * Only used during boot when interrupts are not enabled yet.
   1553    1.1  augustss  */
   1554    1.1  augustss void
   1555  1.119  augustss uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer)
   1556    1.1  augustss {
   1557   1.63  augustss 	int timo = xfer->timeout;
   1558   1.13  augustss 	uhci_intr_info_t *ii;
   1559   1.13  augustss 
   1560   1.26  augustss 	DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo));
   1561    1.1  augustss 
   1562   1.63  augustss 	xfer->status = USBD_IN_PROGRESS;
   1563   1.26  augustss 	for (; timo >= 0; timo--) {
   1564   1.20  augustss 		usb_delay_ms(&sc->sc_bus, 1);
   1565   1.26  augustss 		DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS)));
   1566    1.1  augustss 		if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) {
   1567  1.141  augustss 			uhci_intr1(sc);
   1568   1.63  augustss 			if (xfer->status != USBD_IN_PROGRESS)
   1569    1.1  augustss 				return;
   1570    1.1  augustss 		}
   1571    1.1  augustss 	}
   1572   1.13  augustss 
   1573   1.13  augustss 	/* Timeout */
   1574   1.13  augustss 	DPRINTF(("uhci_waitintr: timeout\n"));
   1575   1.13  augustss 	for (ii = LIST_FIRST(&sc->sc_intrhead);
   1576  1.152  augustss 	     ii != NULL && ii->xfer != xfer;
   1577   1.13  augustss 	     ii = LIST_NEXT(ii, list))
   1578   1.13  augustss 		;
   1579   1.41  augustss #ifdef DIAGNOSTIC
   1580   1.63  augustss 	if (ii == NULL)
   1581  1.163    provos 		panic("uhci_waitintr: lost intr_info");
   1582   1.41  augustss #endif
   1583   1.41  augustss 	uhci_idone(ii);
   1584    1.1  augustss }
   1585    1.1  augustss 
   1586    1.8  augustss void
   1587  1.119  augustss uhci_poll(struct usbd_bus *bus)
   1588    1.8  augustss {
   1589    1.8  augustss 	uhci_softc_t *sc = (uhci_softc_t *)bus;
   1590    1.8  augustss 
   1591    1.8  augustss 	if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT)
   1592  1.141  augustss 		uhci_intr1(sc);
   1593    1.8  augustss }
   1594    1.8  augustss 
   1595    1.1  augustss void
   1596  1.119  augustss uhci_reset(uhci_softc_t *sc)
   1597    1.1  augustss {
   1598    1.1  augustss 	int n;
   1599    1.1  augustss 
   1600    1.1  augustss 	UHCICMD(sc, UHCI_CMD_HCRESET);
   1601    1.1  augustss 	/* The reset bit goes low when the controller is done. */
   1602  1.152  augustss 	for (n = 0; n < UHCI_RESET_TIMEOUT &&
   1603    1.1  augustss 		    (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++)
   1604   1.92  augustss 		usb_delay_ms(&sc->sc_bus, 1);
   1605    1.1  augustss 	if (n >= UHCI_RESET_TIMEOUT)
   1606  1.152  augustss 		printf("%s: controller did not reset\n",
   1607   1.13  augustss 		       USBDEVNAME(sc->sc_bus.bdev));
   1608    1.1  augustss }
   1609    1.1  augustss 
   1610   1.16  augustss usbd_status
   1611  1.119  augustss uhci_run(uhci_softc_t *sc, int run)
   1612    1.1  augustss {
   1613    1.1  augustss 	int s, n, running;
   1614   1.71  augustss 	u_int16_t cmd;
   1615    1.1  augustss 
   1616    1.1  augustss 	run = run != 0;
   1617  1.132  augustss 	s = splhardusb();
   1618   1.30  augustss 	DPRINTF(("uhci_run: setting run=%d\n", run));
   1619   1.71  augustss 	cmd = UREAD2(sc, UHCI_CMD);
   1620   1.71  augustss 	if (run)
   1621   1.71  augustss 		cmd |= UHCI_CMD_RS;
   1622   1.71  augustss 	else
   1623   1.71  augustss 		cmd &= ~UHCI_CMD_RS;
   1624   1.71  augustss 	UHCICMD(sc, cmd);
   1625   1.13  augustss 	for(n = 0; n < 10; n++) {
   1626    1.1  augustss 		running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH);
   1627    1.1  augustss 		/* return when we've entered the state we want */
   1628    1.1  augustss 		if (run == running) {
   1629    1.1  augustss 			splx(s);
   1630   1.30  augustss 			DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n",
   1631   1.30  augustss 				 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS)));
   1632   1.16  augustss 			return (USBD_NORMAL_COMPLETION);
   1633    1.1  augustss 		}
   1634   1.20  augustss 		usb_delay_ms(&sc->sc_bus, 1);
   1635    1.1  augustss 	}
   1636    1.1  augustss 	splx(s);
   1637   1.13  augustss 	printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev),
   1638   1.14  augustss 	       run ? "start" : "stop");
   1639   1.16  augustss 	return (USBD_IOERROR);
   1640    1.1  augustss }
   1641    1.1  augustss 
   1642    1.1  augustss /*
   1643    1.1  augustss  * Memory management routines.
   1644    1.1  augustss  *  uhci_alloc_std allocates TDs
   1645    1.1  augustss  *  uhci_alloc_sqh allocates QHs
   1646    1.7  augustss  * These two routines do their own free list management,
   1647    1.1  augustss  * partly for speed, partly because allocating DMAable memory
   1648    1.1  augustss  * has page size granularaity so much memory would be wasted if
   1649   1.16  augustss  * only one TD/QH (32 bytes) was placed in each allocated chunk.
   1650    1.1  augustss  */
   1651    1.1  augustss 
   1652    1.1  augustss uhci_soft_td_t *
   1653  1.119  augustss uhci_alloc_std(uhci_softc_t *sc)
   1654    1.1  augustss {
   1655    1.1  augustss 	uhci_soft_td_t *std;
   1656   1.63  augustss 	usbd_status err;
   1657   1.42  augustss 	int i, offs;
   1658    1.7  augustss 	usb_dma_t dma;
   1659    1.1  augustss 
   1660   1.63  augustss 	if (sc->sc_freetds == NULL) {
   1661    1.1  augustss 		DPRINTFN(2,("uhci_alloc_std: allocating chunk\n"));
   1662   1.63  augustss 		err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK,
   1663   1.63  augustss 			  UHCI_TD_ALIGN, &dma);
   1664   1.63  augustss 		if (err)
   1665   1.16  augustss 			return (0);
   1666   1.43  augustss 		for(i = 0; i < UHCI_STD_CHUNK; i++) {
   1667   1.42  augustss 			offs = i * UHCI_STD_SIZE;
   1668  1.159  augustss 			std = KERNADDR(&dma, offs);
   1669  1.160  augustss 			std->physaddr = DMAADDR(&dma, offs);
   1670   1.42  augustss 			std->link.std = sc->sc_freetds;
   1671    1.1  augustss 			sc->sc_freetds = std;
   1672    1.1  augustss 		}
   1673    1.1  augustss 	}
   1674    1.1  augustss 	std = sc->sc_freetds;
   1675   1.42  augustss 	sc->sc_freetds = std->link.std;
   1676   1.42  augustss 	memset(&std->td, 0, sizeof(uhci_td_t));
   1677    1.1  augustss 	return std;
   1678    1.1  augustss }
   1679    1.1  augustss 
   1680    1.1  augustss void
   1681  1.119  augustss uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std)
   1682    1.1  augustss {
   1683    1.7  augustss #ifdef DIAGNOSTIC
   1684    1.7  augustss #define TD_IS_FREE 0x12345678
   1685   1.88   tsutsui 	if (le32toh(std->td.td_token) == TD_IS_FREE) {
   1686    1.7  augustss 		printf("uhci_free_std: freeing free TD %p\n", std);
   1687    1.7  augustss 		return;
   1688    1.7  augustss 	}
   1689   1.88   tsutsui 	std->td.td_token = htole32(TD_IS_FREE);
   1690    1.7  augustss #endif
   1691   1.42  augustss 	std->link.std = sc->sc_freetds;
   1692    1.1  augustss 	sc->sc_freetds = std;
   1693    1.1  augustss }
   1694    1.1  augustss 
   1695    1.1  augustss uhci_soft_qh_t *
   1696  1.119  augustss uhci_alloc_sqh(uhci_softc_t *sc)
   1697    1.1  augustss {
   1698    1.1  augustss 	uhci_soft_qh_t *sqh;
   1699   1.63  augustss 	usbd_status err;
   1700    1.1  augustss 	int i, offs;
   1701    1.7  augustss 	usb_dma_t dma;
   1702    1.1  augustss 
   1703   1.63  augustss 	if (sc->sc_freeqhs == NULL) {
   1704    1.1  augustss 		DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n"));
   1705   1.63  augustss 		err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK,
   1706   1.63  augustss 			  UHCI_QH_ALIGN, &dma);
   1707   1.63  augustss 		if (err)
   1708   1.63  augustss 			return (0);
   1709   1.43  augustss 		for(i = 0; i < UHCI_SQH_CHUNK; i++) {
   1710   1.42  augustss 			offs = i * UHCI_SQH_SIZE;
   1711  1.159  augustss 			sqh = KERNADDR(&dma, offs);
   1712  1.160  augustss 			sqh->physaddr = DMAADDR(&dma, offs);
   1713   1.42  augustss 			sqh->hlink = sc->sc_freeqhs;
   1714    1.1  augustss 			sc->sc_freeqhs = sqh;
   1715    1.1  augustss 		}
   1716    1.1  augustss 	}
   1717    1.1  augustss 	sqh = sc->sc_freeqhs;
   1718   1.42  augustss 	sc->sc_freeqhs = sqh->hlink;
   1719   1.42  augustss 	memset(&sqh->qh, 0, sizeof(uhci_qh_t));
   1720   1.16  augustss 	return (sqh);
   1721    1.1  augustss }
   1722    1.1  augustss 
   1723    1.1  augustss void
   1724  1.119  augustss uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   1725    1.1  augustss {
   1726   1.42  augustss 	sqh->hlink = sc->sc_freeqhs;
   1727    1.1  augustss 	sc->sc_freeqhs = sqh;
   1728    1.1  augustss }
   1729    1.1  augustss 
   1730    1.1  augustss void
   1731  1.119  augustss uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std,
   1732  1.119  augustss 		    uhci_soft_td_t *stdend)
   1733    1.1  augustss {
   1734    1.1  augustss 	uhci_soft_td_t *p;
   1735    1.1  augustss 
   1736    1.1  augustss 	for (; std != stdend; std = p) {
   1737   1.42  augustss 		p = std->link.std;
   1738    1.1  augustss 		uhci_free_std(sc, std);
   1739    1.1  augustss 	}
   1740    1.1  augustss }
   1741    1.1  augustss 
   1742    1.1  augustss usbd_status
   1743  1.119  augustss uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len,
   1744  1.119  augustss 		     int rd, u_int16_t flags, usb_dma_t *dma,
   1745  1.119  augustss 		     uhci_soft_td_t **sp, uhci_soft_td_t **ep)
   1746    1.1  augustss {
   1747    1.1  augustss 	uhci_soft_td_t *p, *lastp;
   1748    1.1  augustss 	uhci_physaddr_t lastlink;
   1749    1.1  augustss 	int i, ntd, l, tog, maxp;
   1750   1.18  augustss 	u_int32_t status;
   1751    1.1  augustss 	int addr = upipe->pipe.device->address;
   1752    1.1  augustss 	int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
   1753    1.1  augustss 
   1754  1.144  augustss 	DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d speed=%d "
   1755  1.152  augustss 		      "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len,
   1756  1.144  augustss 		      upipe->pipe.device->speed, flags));
   1757    1.4  augustss 	maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize);
   1758    1.1  augustss 	if (maxp == 0) {
   1759    1.1  augustss 		printf("uhci_alloc_std_chain: maxp=0\n");
   1760    1.1  augustss 		return (USBD_INVAL);
   1761    1.1  augustss 	}
   1762    1.1  augustss 	ntd = (len + maxp - 1) / maxp;
   1763   1.73  augustss 	if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0)
   1764   1.73  augustss 		ntd++;
   1765   1.39  augustss 	DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd));
   1766   1.73  augustss 	if (ntd == 0) {
   1767   1.73  augustss 		*sp = *ep = 0;
   1768   1.73  augustss 		DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n"));
   1769   1.73  augustss 		return (USBD_NORMAL_COMPLETION);
   1770   1.73  augustss 	}
   1771   1.38  augustss 	tog = upipe->nexttoggle;
   1772    1.1  augustss 	if (ntd % 2 == 0)
   1773    1.1  augustss 		tog ^= 1;
   1774   1.32  augustss 	upipe->nexttoggle = tog ^ 1;
   1775  1.121  augustss 	lastp = NULL;
   1776    1.1  augustss 	lastlink = UHCI_PTR_T;
   1777    1.1  augustss 	ntd--;
   1778   1.33  augustss 	status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE);
   1779  1.144  augustss 	if (upipe->pipe.device->speed == USB_SPEED_LOW)
   1780   1.18  augustss 		status |= UHCI_TD_LS;
   1781   1.73  augustss 	if (flags & USBD_SHORT_XFER_OK)
   1782   1.18  augustss 		status |= UHCI_TD_SPD;
   1783    1.1  augustss 	for (i = ntd; i >= 0; i--) {
   1784    1.1  augustss 		p = uhci_alloc_std(sc);
   1785   1.63  augustss 		if (p == NULL) {
   1786  1.149  augustss 			uhci_free_std_chain(sc, lastp, NULL);
   1787    1.1  augustss 			return (USBD_NOMEM);
   1788    1.1  augustss 		}
   1789   1.42  augustss 		p->link.std = lastp;
   1790  1.121  augustss 		p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD);
   1791    1.1  augustss 		lastp = p;
   1792    1.1  augustss 		lastlink = p->physaddr;
   1793   1.88   tsutsui 		p->td.td_status = htole32(status);
   1794    1.1  augustss 		if (i == ntd) {
   1795    1.1  augustss 			/* last TD */
   1796    1.1  augustss 			l = len % maxp;
   1797   1.73  augustss 			if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER))
   1798   1.73  augustss 				l = maxp;
   1799    1.1  augustss 			*ep = p;
   1800    1.1  augustss 		} else
   1801    1.1  augustss 			l = maxp;
   1802  1.152  augustss 		p->td.td_token =
   1803   1.88   tsutsui 		    htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) :
   1804   1.88   tsutsui 				 UHCI_TD_OUT(l, endpt, addr, tog));
   1805  1.160  augustss 		p->td.td_buffer = htole32(DMAADDR(dma, i * maxp));
   1806    1.1  augustss 		tog ^= 1;
   1807    1.1  augustss 	}
   1808    1.1  augustss 	*sp = lastp;
   1809  1.152  augustss 	DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n",
   1810   1.38  augustss 		      upipe->nexttoggle));
   1811    1.1  augustss 	return (USBD_NORMAL_COMPLETION);
   1812    1.1  augustss }
   1813    1.1  augustss 
   1814   1.38  augustss void
   1815  1.119  augustss uhci_device_clear_toggle(usbd_pipe_handle pipe)
   1816   1.38  augustss {
   1817   1.38  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
   1818   1.38  augustss 	upipe->nexttoggle = 0;
   1819   1.38  augustss }
   1820   1.38  augustss 
   1821   1.38  augustss void
   1822  1.119  augustss uhci_noop(usbd_pipe_handle pipe)
   1823   1.38  augustss {
   1824   1.38  augustss }
   1825   1.38  augustss 
   1826    1.1  augustss usbd_status
   1827  1.119  augustss uhci_device_bulk_transfer(usbd_xfer_handle xfer)
   1828    1.1  augustss {
   1829   1.63  augustss 	usbd_status err;
   1830   1.16  augustss 
   1831   1.52  augustss 	/* Insert last in queue. */
   1832   1.63  augustss 	err = usb_insert_transfer(xfer);
   1833   1.63  augustss 	if (err)
   1834   1.63  augustss 		return (err);
   1835   1.52  augustss 
   1836  1.152  augustss 	/*
   1837   1.92  augustss 	 * Pipe isn't running (otherwise err would be USBD_INPROG),
   1838   1.92  augustss 	 * so start it first.
   1839   1.67  augustss 	 */
   1840   1.63  augustss 	return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue)));
   1841   1.16  augustss }
   1842   1.16  augustss 
   1843   1.16  augustss usbd_status
   1844  1.119  augustss uhci_device_bulk_start(usbd_xfer_handle xfer)
   1845   1.16  augustss {
   1846   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   1847    1.1  augustss 	usbd_device_handle dev = upipe->pipe.device;
   1848    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   1849   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   1850   1.55  augustss 	uhci_soft_td_t *data, *dataend;
   1851    1.1  augustss 	uhci_soft_qh_t *sqh;
   1852   1.63  augustss 	usbd_status err;
   1853   1.45  augustss 	int len, isread, endpt;
   1854    1.1  augustss 	int s;
   1855    1.1  augustss 
   1856  1.169  augustss 	DPRINTFN(3, ("uhci_device_bulk_start: xfer=%p len=%d flags=%d ii=%p\n",
   1857  1.169  augustss 		     xfer, xfer->length, xfer->flags, ii));
   1858    1.1  augustss 
   1859   1.82  augustss 	if (sc->sc_dying)
   1860   1.82  augustss 		return (USBD_IOERROR);
   1861   1.82  augustss 
   1862   1.48  augustss #ifdef DIAGNOSTIC
   1863   1.63  augustss 	if (xfer->rqflags & URQ_REQUEST)
   1864  1.163    provos 		panic("uhci_device_bulk_transfer: a request");
   1865   1.48  augustss #endif
   1866    1.1  augustss 
   1867   1.63  augustss 	len = xfer->length;
   1868  1.102  augustss 	endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
   1869   1.45  augustss 	isread = UE_GET_DIR(endpt) == UE_DIR_IN;
   1870    1.1  augustss 	sqh = upipe->u.bulk.sqh;
   1871    1.1  augustss 
   1872    1.1  augustss 	upipe->u.bulk.isread = isread;
   1873    1.1  augustss 	upipe->u.bulk.length = len;
   1874    1.1  augustss 
   1875   1.73  augustss 	err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags,
   1876   1.73  augustss 				   &xfer->dmabuf, &data, &dataend);
   1877   1.63  augustss 	if (err)
   1878   1.63  augustss 		return (err);
   1879   1.88   tsutsui 	dataend->td.td_status |= htole32(UHCI_TD_IOC);
   1880    1.1  augustss 
   1881   1.59  augustss #ifdef UHCI_DEBUG
   1882   1.33  augustss 	if (uhcidebug > 8) {
   1883   1.55  augustss 		DPRINTF(("uhci_device_bulk_transfer: data(1)\n"));
   1884   1.55  augustss 		uhci_dump_tds(data);
   1885    1.1  augustss 	}
   1886    1.1  augustss #endif
   1887    1.1  augustss 
   1888    1.1  augustss 	/* Set up interrupt info. */
   1889   1.63  augustss 	ii->xfer = xfer;
   1890   1.55  augustss 	ii->stdstart = data;
   1891   1.55  augustss 	ii->stdend = dataend;
   1892    1.7  augustss #ifdef DIAGNOSTIC
   1893   1.70  augustss 	if (!ii->isdone) {
   1894   1.70  augustss 		printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii);
   1895   1.70  augustss 	}
   1896    1.7  augustss 	ii->isdone = 0;
   1897    1.7  augustss #endif
   1898    1.1  augustss 
   1899   1.55  augustss 	sqh->elink = data;
   1900  1.121  augustss 	sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
   1901    1.1  augustss 
   1902    1.1  augustss 	s = splusb();
   1903    1.1  augustss 	uhci_add_bulk(sc, sqh);
   1904   1.92  augustss 	uhci_add_intr_info(sc, ii);
   1905    1.1  augustss 
   1906   1.63  augustss 	if (xfer->timeout && !sc->sc_bus.use_polling) {
   1907  1.171   tsutsui 		usb_callout(xfer->timeout_handle, mstohz(xfer->timeout),
   1908   1.91  augustss 			    uhci_timeout, ii);
   1909   1.13  augustss 	}
   1910   1.92  augustss 	xfer->status = USBD_IN_PROGRESS;
   1911    1.1  augustss 	splx(s);
   1912    1.1  augustss 
   1913   1.59  augustss #ifdef UHCI_DEBUG
   1914    1.1  augustss 	if (uhcidebug > 10) {
   1915   1.55  augustss 		DPRINTF(("uhci_device_bulk_transfer: data(2)\n"));
   1916   1.55  augustss 		uhci_dump_tds(data);
   1917    1.1  augustss 	}
   1918    1.1  augustss #endif
   1919    1.1  augustss 
   1920   1.26  augustss 	if (sc->sc_bus.use_polling)
   1921   1.63  augustss 		uhci_waitintr(sc, xfer);
   1922   1.26  augustss 
   1923    1.1  augustss 	return (USBD_IN_PROGRESS);
   1924    1.1  augustss }
   1925    1.1  augustss 
   1926    1.1  augustss /* Abort a device bulk request. */
   1927    1.1  augustss void
   1928  1.119  augustss uhci_device_bulk_abort(usbd_xfer_handle xfer)
   1929    1.1  augustss {
   1930   1.33  augustss 	DPRINTF(("uhci_device_bulk_abort:\n"));
   1931   1.66  augustss 	uhci_abort_xfer(xfer, USBD_CANCELLED);
   1932   1.33  augustss }
   1933   1.33  augustss 
   1934   1.92  augustss /*
   1935  1.154  augustss  * Abort a device request.
   1936  1.154  augustss  * If this routine is called at splusb() it guarantees that the request
   1937  1.154  augustss  * will be removed from the hardware scheduling and that the callback
   1938  1.154  augustss  * for it will be called with USBD_CANCELLED status.
   1939  1.154  augustss  * It's impossible to guarantee that the requested transfer will not
   1940  1.154  augustss  * have happened since the hardware runs concurrently.
   1941  1.154  augustss  * If the transaction has already happened we rely on the ordinary
   1942  1.154  augustss  * interrupt processing to process it.
   1943   1.92  augustss  */
   1944   1.33  augustss void
   1945  1.119  augustss uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status)
   1946   1.33  augustss {
   1947   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   1948  1.153  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   1949  1.153  augustss 	uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus;
   1950   1.33  augustss 	uhci_soft_td_t *std;
   1951   1.92  augustss 	int s;
   1952  1.188  augustss 	int wake;
   1953   1.65  augustss 
   1954  1.106  augustss 	DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status));
   1955   1.33  augustss 
   1956  1.153  augustss 	if (sc->sc_dying) {
   1957  1.153  augustss 		/* If we're dying, just do the software part. */
   1958  1.153  augustss 		s = splusb();
   1959  1.153  augustss 		xfer->status = status;	/* make software ignore it */
   1960  1.157   tsutsui 		usb_uncallout(xfer->timeout_handle, uhci_timeout, xfer);
   1961  1.153  augustss 		usb_transfer_complete(xfer);
   1962   1.92  augustss 		splx(s);
   1963  1.194  christos 		return;
   1964   1.92  augustss 	}
   1965   1.92  augustss 
   1966  1.153  augustss 	if (xfer->device->bus->intr_context || !curproc)
   1967  1.163    provos 		panic("uhci_abort_xfer: not in process context");
   1968  1.153  augustss 
   1969  1.153  augustss 	/*
   1970  1.188  augustss 	 * If an abort is already in progress then just wait for it to
   1971  1.188  augustss 	 * complete and return.
   1972  1.188  augustss 	 */
   1973  1.188  augustss 	if (xfer->hcflags & UXFER_ABORTING) {
   1974  1.188  augustss 		DPRINTFN(2, ("uhci_abort_xfer: already aborting\n"));
   1975  1.188  augustss #ifdef DIAGNOSTIC
   1976  1.188  augustss 		if (status == USBD_TIMEOUT)
   1977  1.188  augustss 			printf("uhci_abort_xfer: TIMEOUT while aborting\n");
   1978  1.188  augustss #endif
   1979  1.188  augustss 		/* Override the status which might be USBD_TIMEOUT. */
   1980  1.188  augustss 		xfer->status = status;
   1981  1.188  augustss 		DPRINTFN(2, ("uhci_abort_xfer: waiting for abort to finish\n"));
   1982  1.188  augustss 		xfer->hcflags |= UXFER_ABORTWAIT;
   1983  1.188  augustss 		while (xfer->hcflags & UXFER_ABORTING)
   1984  1.188  augustss 			tsleep(&xfer->hcflags, PZERO, "uhciaw", 0);
   1985  1.188  augustss 		return;
   1986  1.188  augustss 	}
   1987  1.188  augustss 	xfer->hcflags |= UXFER_ABORTING;
   1988  1.188  augustss 
   1989  1.188  augustss 	/*
   1990  1.153  augustss 	 * Step 1: Make interrupt routine and hardware ignore xfer.
   1991  1.153  augustss 	 */
   1992  1.153  augustss 	s = splusb();
   1993  1.153  augustss 	xfer->status = status;	/* make software ignore it */
   1994  1.106  augustss 	usb_uncallout(xfer->timeout_handle, uhci_timeout, ii);
   1995  1.153  augustss 	DPRINTFN(1,("uhci_abort_xfer: stop ii=%p\n", ii));
   1996  1.106  augustss 	for (std = ii->stdstart; std != NULL; std = std->link.std)
   1997   1.92  augustss 		std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC));
   1998  1.153  augustss 	splx(s);
   1999   1.92  augustss 
   2000  1.162  augustss 	/*
   2001  1.153  augustss 	 * Step 2: Wait until we know hardware has finished any possible
   2002  1.153  augustss 	 * use of the xfer.  Also make sure the soft interrupt routine
   2003  1.153  augustss 	 * has run.
   2004  1.153  augustss 	 */
   2005  1.154  augustss 	usb_delay_ms(upipe->pipe.device->bus, 2); /* Hardware finishes in 1ms */
   2006  1.153  augustss 	s = splusb();
   2007  1.164  augustss #ifdef USB_USE_SOFTINTR
   2008  1.153  augustss 	sc->sc_softwake = 1;
   2009  1.164  augustss #endif /* USB_USE_SOFTINTR */
   2010  1.153  augustss 	usb_schedsoftintr(&sc->sc_bus);
   2011  1.164  augustss #ifdef USB_USE_SOFTINTR
   2012  1.154  augustss 	DPRINTFN(1,("uhci_abort_xfer: tsleep\n"));
   2013  1.153  augustss 	tsleep(&sc->sc_softwake, PZERO, "uhciab", 0);
   2014  1.164  augustss #endif /* USB_USE_SOFTINTR */
   2015  1.153  augustss 	splx(s);
   2016  1.162  augustss 
   2017  1.153  augustss 	/*
   2018  1.153  augustss 	 * Step 3: Execute callback.
   2019  1.153  augustss 	 */
   2020  1.154  augustss 	DPRINTFN(1,("uhci_abort_xfer: callback\n"));
   2021   1.92  augustss 	s = splusb();
   2022  1.100  augustss #ifdef DIAGNOSTIC
   2023  1.106  augustss 	ii->isdone = 1;
   2024  1.100  augustss #endif
   2025  1.188  augustss 	wake = xfer->hcflags & UXFER_ABORTWAIT;
   2026  1.188  augustss 	xfer->hcflags &= ~(UXFER_ABORTING | UXFER_ABORTWAIT);
   2027  1.106  augustss 	usb_transfer_complete(xfer);
   2028  1.188  augustss 	if (wake)
   2029  1.188  augustss 		wakeup(&xfer->hcflags);
   2030   1.33  augustss 	splx(s);
   2031    1.1  augustss }
   2032    1.1  augustss 
   2033    1.1  augustss /* Close a device bulk pipe. */
   2034    1.1  augustss void
   2035  1.119  augustss uhci_device_bulk_close(usbd_pipe_handle pipe)
   2036    1.1  augustss {
   2037    1.1  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
   2038    1.1  augustss 	usbd_device_handle dev = upipe->pipe.device;
   2039    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   2040    1.1  augustss 
   2041    1.1  augustss 	uhci_free_sqh(sc, upipe->u.bulk.sqh);
   2042    1.1  augustss }
   2043    1.1  augustss 
   2044    1.1  augustss usbd_status
   2045  1.119  augustss uhci_device_ctrl_transfer(usbd_xfer_handle xfer)
   2046    1.1  augustss {
   2047   1.63  augustss 	usbd_status err;
   2048   1.16  augustss 
   2049   1.52  augustss 	/* Insert last in queue. */
   2050   1.63  augustss 	err = usb_insert_transfer(xfer);
   2051   1.63  augustss 	if (err)
   2052   1.63  augustss 		return (err);
   2053   1.52  augustss 
   2054  1.152  augustss 	/*
   2055   1.92  augustss 	 * Pipe isn't running (otherwise err would be USBD_INPROG),
   2056   1.92  augustss 	 * so start it first.
   2057   1.67  augustss 	 */
   2058   1.63  augustss 	return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue)));
   2059   1.16  augustss }
   2060   1.16  augustss 
   2061   1.16  augustss usbd_status
   2062  1.119  augustss uhci_device_ctrl_start(usbd_xfer_handle xfer)
   2063   1.16  augustss {
   2064   1.63  augustss 	uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus;
   2065   1.63  augustss 	usbd_status err;
   2066    1.1  augustss 
   2067   1.82  augustss 	if (sc->sc_dying)
   2068   1.82  augustss 		return (USBD_IOERROR);
   2069   1.82  augustss 
   2070   1.48  augustss #ifdef DIAGNOSTIC
   2071   1.63  augustss 	if (!(xfer->rqflags & URQ_REQUEST))
   2072  1.163    provos 		panic("uhci_device_ctrl_transfer: not a request");
   2073   1.48  augustss #endif
   2074    1.1  augustss 
   2075   1.63  augustss 	err = uhci_device_request(xfer);
   2076   1.63  augustss 	if (err)
   2077   1.63  augustss 		return (err);
   2078    1.1  augustss 
   2079    1.9  augustss 	if (sc->sc_bus.use_polling)
   2080   1.63  augustss 		uhci_waitintr(sc, xfer);
   2081    1.1  augustss 	return (USBD_IN_PROGRESS);
   2082    1.1  augustss }
   2083    1.1  augustss 
   2084    1.1  augustss usbd_status
   2085  1.119  augustss uhci_device_intr_transfer(usbd_xfer_handle xfer)
   2086    1.1  augustss {
   2087   1.63  augustss 	usbd_status err;
   2088   1.16  augustss 
   2089   1.52  augustss 	/* Insert last in queue. */
   2090   1.63  augustss 	err = usb_insert_transfer(xfer);
   2091   1.63  augustss 	if (err)
   2092   1.63  augustss 		return (err);
   2093   1.52  augustss 
   2094  1.152  augustss 	/*
   2095   1.92  augustss 	 * Pipe isn't running (otherwise err would be USBD_INPROG),
   2096   1.92  augustss 	 * so start it first.
   2097   1.67  augustss 	 */
   2098   1.63  augustss 	return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue)));
   2099   1.16  augustss }
   2100   1.16  augustss 
   2101   1.16  augustss usbd_status
   2102  1.119  augustss uhci_device_intr_start(usbd_xfer_handle xfer)
   2103   1.16  augustss {
   2104   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2105    1.1  augustss 	usbd_device_handle dev = upipe->pipe.device;
   2106    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   2107   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2108   1.55  augustss 	uhci_soft_td_t *data, *dataend;
   2109    1.1  augustss 	uhci_soft_qh_t *sqh;
   2110   1.63  augustss 	usbd_status err;
   2111  1.187     skrll 	int isread, endpt;
   2112   1.49  augustss 	int i, s;
   2113    1.1  augustss 
   2114   1.82  augustss 	if (sc->sc_dying)
   2115   1.82  augustss 		return (USBD_IOERROR);
   2116   1.82  augustss 
   2117   1.63  augustss 	DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n",
   2118   1.63  augustss 		    xfer, xfer->length, xfer->flags));
   2119    1.1  augustss 
   2120   1.48  augustss #ifdef DIAGNOSTIC
   2121   1.63  augustss 	if (xfer->rqflags & URQ_REQUEST)
   2122  1.163    provos 		panic("uhci_device_intr_transfer: a request");
   2123   1.48  augustss #endif
   2124    1.1  augustss 
   2125  1.187     skrll 	endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
   2126  1.187     skrll 	isread = UE_GET_DIR(endpt) == UE_DIR_IN;
   2127  1.187     skrll 
   2128  1.187     skrll 	upipe->u.intr.isread = isread;
   2129  1.187     skrll 
   2130  1.187     skrll 	err = uhci_alloc_std_chain(upipe, sc, xfer->length, isread,
   2131  1.187     skrll 				   xfer->flags, &xfer->dmabuf, &data,
   2132  1.187     skrll 				   &dataend);
   2133   1.63  augustss 	if (err)
   2134   1.63  augustss 		return (err);
   2135   1.88   tsutsui 	dataend->td.td_status |= htole32(UHCI_TD_IOC);
   2136    1.1  augustss 
   2137   1.59  augustss #ifdef UHCI_DEBUG
   2138    1.1  augustss 	if (uhcidebug > 10) {
   2139   1.55  augustss 		DPRINTF(("uhci_device_intr_transfer: data(1)\n"));
   2140   1.55  augustss 		uhci_dump_tds(data);
   2141    1.1  augustss 		uhci_dump_qh(upipe->u.intr.qhs[0]);
   2142    1.1  augustss 	}
   2143    1.1  augustss #endif
   2144    1.1  augustss 
   2145    1.1  augustss 	s = splusb();
   2146    1.1  augustss 	/* Set up interrupt info. */
   2147   1.63  augustss 	ii->xfer = xfer;
   2148   1.55  augustss 	ii->stdstart = data;
   2149   1.55  augustss 	ii->stdend = dataend;
   2150    1.7  augustss #ifdef DIAGNOSTIC
   2151   1.70  augustss 	if (!ii->isdone) {
   2152   1.70  augustss 		printf("uhci_device_intr_transfer: not done, ii=%p\n", ii);
   2153   1.70  augustss 	}
   2154    1.7  augustss 	ii->isdone = 0;
   2155    1.7  augustss #endif
   2156    1.1  augustss 
   2157  1.152  augustss 	DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n",
   2158   1.12  augustss 		     upipe->u.intr.qhs[0]));
   2159    1.1  augustss 	for (i = 0; i < upipe->u.intr.npoll; i++) {
   2160    1.1  augustss 		sqh = upipe->u.intr.qhs[i];
   2161   1.55  augustss 		sqh->elink = data;
   2162  1.121  augustss 		sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
   2163    1.1  augustss 	}
   2164   1.92  augustss 	uhci_add_intr_info(sc, ii);
   2165   1.92  augustss 	xfer->status = USBD_IN_PROGRESS;
   2166    1.1  augustss 	splx(s);
   2167    1.1  augustss 
   2168   1.59  augustss #ifdef UHCI_DEBUG
   2169    1.1  augustss 	if (uhcidebug > 10) {
   2170   1.55  augustss 		DPRINTF(("uhci_device_intr_transfer: data(2)\n"));
   2171   1.55  augustss 		uhci_dump_tds(data);
   2172    1.1  augustss 		uhci_dump_qh(upipe->u.intr.qhs[0]);
   2173    1.1  augustss 	}
   2174    1.1  augustss #endif
   2175    1.1  augustss 
   2176    1.1  augustss 	return (USBD_IN_PROGRESS);
   2177    1.1  augustss }
   2178    1.1  augustss 
   2179    1.1  augustss /* Abort a device control request. */
   2180    1.1  augustss void
   2181  1.119  augustss uhci_device_ctrl_abort(usbd_xfer_handle xfer)
   2182    1.1  augustss {
   2183   1.33  augustss 	DPRINTF(("uhci_device_ctrl_abort:\n"));
   2184   1.66  augustss 	uhci_abort_xfer(xfer, USBD_CANCELLED);
   2185    1.1  augustss }
   2186    1.1  augustss 
   2187    1.1  augustss /* Close a device control pipe. */
   2188    1.1  augustss void
   2189  1.119  augustss uhci_device_ctrl_close(usbd_pipe_handle pipe)
   2190    1.1  augustss {
   2191    1.1  augustss }
   2192    1.1  augustss 
   2193    1.1  augustss /* Abort a device interrupt request. */
   2194    1.1  augustss void
   2195  1.119  augustss uhci_device_intr_abort(usbd_xfer_handle xfer)
   2196    1.1  augustss {
   2197   1.63  augustss 	DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer));
   2198   1.63  augustss 	if (xfer->pipe->intrxfer == xfer) {
   2199   1.36  augustss 		DPRINTFN(1,("uhci_device_intr_abort: remove\n"));
   2200  1.154  augustss 		xfer->pipe->intrxfer = NULL;
   2201    1.1  augustss 	}
   2202   1.66  augustss 	uhci_abort_xfer(xfer, USBD_CANCELLED);
   2203    1.1  augustss }
   2204    1.1  augustss 
   2205    1.1  augustss /* Close a device interrupt pipe. */
   2206    1.1  augustss void
   2207  1.119  augustss uhci_device_intr_close(usbd_pipe_handle pipe)
   2208    1.1  augustss {
   2209    1.1  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
   2210    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
   2211   1.92  augustss 	int i, npoll;
   2212   1.92  augustss 	int s;
   2213    1.1  augustss 
   2214    1.1  augustss 	/* Unlink descriptors from controller data structures. */
   2215    1.1  augustss 	npoll = upipe->u.intr.npoll;
   2216   1.92  augustss 	s = splusb();
   2217    1.1  augustss 	for (i = 0; i < npoll; i++)
   2218   1.92  augustss 		uhci_remove_intr(sc, upipe->u.intr.qhs[i]);
   2219   1.92  augustss 	splx(s);
   2220    1.1  augustss 
   2221  1.152  augustss 	/*
   2222    1.1  augustss 	 * We now have to wait for any activity on the physical
   2223    1.1  augustss 	 * descriptors to stop.
   2224    1.1  augustss 	 */
   2225   1.20  augustss 	usb_delay_ms(&sc->sc_bus, 2);
   2226    1.1  augustss 
   2227    1.1  augustss 	for(i = 0; i < npoll; i++)
   2228    1.1  augustss 		uhci_free_sqh(sc, upipe->u.intr.qhs[i]);
   2229   1.31  augustss 	free(upipe->u.intr.qhs, M_USBHC);
   2230    1.1  augustss 
   2231    1.1  augustss 	/* XXX free other resources */
   2232    1.1  augustss }
   2233    1.1  augustss 
   2234    1.1  augustss usbd_status
   2235  1.119  augustss uhci_device_request(usbd_xfer_handle xfer)
   2236    1.1  augustss {
   2237   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2238   1.63  augustss 	usb_device_request_t *req = &xfer->request;
   2239    1.1  augustss 	usbd_device_handle dev = upipe->pipe.device;
   2240    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   2241    1.1  augustss 	int addr = dev->address;
   2242    1.1  augustss 	int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
   2243   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2244   1.55  augustss 	uhci_soft_td_t *setup, *data, *stat, *next, *dataend;
   2245    1.1  augustss 	uhci_soft_qh_t *sqh;
   2246    1.1  augustss 	int len;
   2247    1.1  augustss 	u_int32_t ls;
   2248   1.63  augustss 	usbd_status err;
   2249    1.1  augustss 	int isread;
   2250    1.1  augustss 	int s;
   2251    1.1  augustss 
   2252   1.13  augustss 	DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, "
   2253   1.12  augustss 		    "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n",
   2254    1.1  augustss 		    req->bmRequestType, req->bRequest, UGETW(req->wValue),
   2255    1.1  augustss 		    UGETW(req->wIndex), UGETW(req->wLength),
   2256    1.1  augustss 		    addr, endpt));
   2257    1.1  augustss 
   2258  1.144  augustss 	ls = dev->speed == USB_SPEED_LOW ? UHCI_TD_LS : 0;
   2259    1.1  augustss 	isread = req->bmRequestType & UT_READ;
   2260    1.1  augustss 	len = UGETW(req->wLength);
   2261    1.1  augustss 
   2262    1.1  augustss 	setup = upipe->u.ctl.setup;
   2263    1.1  augustss 	stat = upipe->u.ctl.stat;
   2264    1.1  augustss 	sqh = upipe->u.ctl.sqh;
   2265    1.1  augustss 
   2266    1.1  augustss 	/* Set up data transaction */
   2267    1.1  augustss 	if (len != 0) {
   2268   1.38  augustss 		upipe->nexttoggle = 1;
   2269   1.73  augustss 		err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags,
   2270   1.73  augustss 					   &xfer->dmabuf, &data, &dataend);
   2271   1.63  augustss 		if (err)
   2272   1.63  augustss 			return (err);
   2273   1.55  augustss 		next = data;
   2274   1.55  augustss 		dataend->link.std = stat;
   2275  1.121  augustss 		dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD);
   2276    1.1  augustss 	} else {
   2277    1.1  augustss 		next = stat;
   2278    1.1  augustss 	}
   2279    1.1  augustss 	upipe->u.ctl.length = len;
   2280    1.1  augustss 
   2281  1.159  augustss 	memcpy(KERNADDR(&upipe->u.ctl.reqdma, 0), req, sizeof *req);
   2282    1.1  augustss 
   2283   1.42  augustss 	setup->link.std = next;
   2284  1.121  augustss 	setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD);
   2285   1.88   tsutsui 	setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls |
   2286   1.88   tsutsui 		UHCI_TD_ACTIVE);
   2287   1.88   tsutsui 	setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr));
   2288  1.160  augustss 	setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma, 0));
   2289   1.42  augustss 
   2290   1.92  augustss 	stat->link.std = NULL;
   2291   1.88   tsutsui 	stat->td.td_link = htole32(UHCI_PTR_T);
   2292  1.152  augustss 	stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls |
   2293   1.39  augustss 		UHCI_TD_ACTIVE | UHCI_TD_IOC);
   2294  1.152  augustss 	stat->td.td_token =
   2295   1.88   tsutsui 		htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) :
   2296   1.88   tsutsui 		                 UHCI_TD_IN (0, endpt, addr, 1));
   2297   1.88   tsutsui 	stat->td.td_buffer = htole32(0);
   2298    1.1  augustss 
   2299   1.59  augustss #ifdef UHCI_DEBUG
   2300   1.67  augustss 	if (uhcidebug > 10) {
   2301   1.47  augustss 		DPRINTF(("uhci_device_request: before transfer\n"));
   2302   1.41  augustss 		uhci_dump_tds(setup);
   2303    1.1  augustss 	}
   2304    1.1  augustss #endif
   2305    1.1  augustss 
   2306    1.1  augustss 	/* Set up interrupt info. */
   2307   1.63  augustss 	ii->xfer = xfer;
   2308    1.1  augustss 	ii->stdstart = setup;
   2309    1.1  augustss 	ii->stdend = stat;
   2310    1.7  augustss #ifdef DIAGNOSTIC
   2311   1.70  augustss 	if (!ii->isdone) {
   2312   1.70  augustss 		printf("uhci_device_request: not done, ii=%p\n", ii);
   2313   1.70  augustss 	}
   2314    1.7  augustss 	ii->isdone = 0;
   2315    1.7  augustss #endif
   2316    1.1  augustss 
   2317   1.42  augustss 	sqh->elink = setup;
   2318  1.121  augustss 	sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD);
   2319    1.1  augustss 
   2320    1.1  augustss 	s = splusb();
   2321  1.144  augustss 	if (dev->speed == USB_SPEED_LOW)
   2322  1.123  augustss 		uhci_add_ls_ctrl(sc, sqh);
   2323  1.123  augustss 	else
   2324  1.123  augustss 		uhci_add_hs_ctrl(sc, sqh);
   2325   1.92  augustss 	uhci_add_intr_info(sc, ii);
   2326   1.59  augustss #ifdef UHCI_DEBUG
   2327    1.1  augustss 	if (uhcidebug > 12) {
   2328    1.1  augustss 		uhci_soft_td_t *std;
   2329    1.1  augustss 		uhci_soft_qh_t *xqh;
   2330   1.13  augustss 		uhci_soft_qh_t *sxqh;
   2331   1.13  augustss 		int maxqh = 0;
   2332    1.1  augustss 		uhci_physaddr_t link;
   2333   1.47  augustss 		DPRINTF(("uhci_enter_ctl_q: follow from [0]\n"));
   2334    1.1  augustss 		for (std = sc->sc_vframes[0].htd, link = 0;
   2335  1.121  augustss 		     (link & UHCI_PTR_QH) == 0;
   2336   1.42  augustss 		     std = std->link.std) {
   2337   1.88   tsutsui 			link = le32toh(std->td.td_link);
   2338    1.1  augustss 			uhci_dump_td(std);
   2339    1.1  augustss 		}
   2340   1.67  augustss 		sxqh = (uhci_soft_qh_t *)std;
   2341   1.67  augustss 		uhci_dump_qh(sxqh);
   2342   1.67  augustss 		for (xqh = sxqh;
   2343   1.63  augustss 		     xqh != NULL;
   2344  1.152  augustss 		     xqh = (maxqh++ == 5 || xqh->hlink == sxqh ||
   2345  1.121  augustss                             xqh->hlink == xqh ? NULL : xqh->hlink)) {
   2346    1.1  augustss 			uhci_dump_qh(xqh);
   2347   1.13  augustss 		}
   2348   1.47  augustss 		DPRINTF(("Enqueued QH:\n"));
   2349    1.1  augustss 		uhci_dump_qh(sqh);
   2350   1.42  augustss 		uhci_dump_tds(sqh->elink);
   2351    1.1  augustss 	}
   2352    1.1  augustss #endif
   2353   1.63  augustss 	if (xfer->timeout && !sc->sc_bus.use_polling) {
   2354  1.171   tsutsui 		usb_callout(xfer->timeout_handle, mstohz(xfer->timeout),
   2355   1.91  augustss 			    uhci_timeout, ii);
   2356   1.13  augustss 	}
   2357   1.92  augustss 	xfer->status = USBD_IN_PROGRESS;
   2358    1.1  augustss 	splx(s);
   2359    1.1  augustss 
   2360    1.1  augustss 	return (USBD_NORMAL_COMPLETION);
   2361    1.1  augustss }
   2362    1.1  augustss 
   2363   1.16  augustss usbd_status
   2364  1.119  augustss uhci_device_isoc_transfer(usbd_xfer_handle xfer)
   2365   1.16  augustss {
   2366   1.63  augustss 	usbd_status err;
   2367   1.48  augustss 
   2368   1.63  augustss 	DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer));
   2369   1.48  augustss 
   2370   1.48  augustss 	/* Put it on our queue, */
   2371   1.63  augustss 	err = usb_insert_transfer(xfer);
   2372   1.48  augustss 
   2373   1.48  augustss 	/* bail out on error, */
   2374   1.63  augustss 	if (err && err != USBD_IN_PROGRESS)
   2375   1.63  augustss 		return (err);
   2376   1.48  augustss 
   2377   1.48  augustss 	/* XXX should check inuse here */
   2378   1.48  augustss 
   2379   1.48  augustss 	/* insert into schedule, */
   2380   1.63  augustss 	uhci_device_isoc_enter(xfer);
   2381   1.48  augustss 
   2382  1.102  augustss 	/* and start if the pipe wasn't running */
   2383   1.67  augustss 	if (!err)
   2384   1.63  augustss 		uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue));
   2385   1.48  augustss 
   2386   1.63  augustss 	return (err);
   2387   1.48  augustss }
   2388   1.48  augustss 
   2389   1.48  augustss void
   2390  1.119  augustss uhci_device_isoc_enter(usbd_xfer_handle xfer)
   2391   1.48  augustss {
   2392   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2393   1.16  augustss 	usbd_device_handle dev = upipe->pipe.device;
   2394   1.16  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   2395   1.48  augustss 	struct iso *iso = &upipe->u.iso;
   2396  1.152  augustss 	uhci_soft_td_t *std;
   2397   1.48  augustss 	u_int32_t buf, len, status;
   2398   1.48  augustss 	int s, i, next, nframes;
   2399   1.48  augustss 
   2400   1.63  augustss 	DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p "
   2401   1.48  augustss 		    "nframes=%d\n",
   2402   1.63  augustss 		    iso->inuse, iso->next, xfer, xfer->nframes));
   2403   1.48  augustss 
   2404   1.82  augustss 	if (sc->sc_dying)
   2405   1.82  augustss 		return;
   2406   1.82  augustss 
   2407   1.63  augustss 	if (xfer->status == USBD_IN_PROGRESS) {
   2408   1.48  augustss 		/* This request has already been entered into the frame list */
   2409   1.96  augustss 		printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer);
   2410   1.68  augustss 		/* XXX */
   2411   1.48  augustss 	}
   2412   1.48  augustss 
   2413   1.48  augustss #ifdef DIAGNOSTIC
   2414   1.48  augustss 	if (iso->inuse >= UHCI_VFRAMELIST_COUNT)
   2415   1.48  augustss 		printf("uhci_device_isoc_enter: overflow!\n");
   2416   1.19  augustss #endif
   2417   1.16  augustss 
   2418   1.48  augustss 	next = iso->next;
   2419   1.48  augustss 	if (next == -1) {
   2420   1.48  augustss 		/* Not in use yet, schedule it a few frames ahead. */
   2421   1.48  augustss 		next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT;
   2422   1.48  augustss 		DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next));
   2423   1.48  augustss 	}
   2424   1.48  augustss 
   2425   1.63  augustss 	xfer->status = USBD_IN_PROGRESS;
   2426   1.92  augustss 	UXFER(xfer)->curframe = next;
   2427   1.48  augustss 
   2428  1.160  augustss 	buf = DMAADDR(&xfer->dmabuf, 0);
   2429   1.88   tsutsui 	status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) |
   2430   1.88   tsutsui 				     UHCI_TD_ACTIVE |
   2431   1.88   tsutsui 				     UHCI_TD_IOS);
   2432   1.63  augustss 	nframes = xfer->nframes;
   2433   1.48  augustss 	s = splusb();
   2434   1.48  augustss 	for (i = 0; i < nframes; i++) {
   2435   1.48  augustss 		std = iso->stds[next];
   2436   1.48  augustss 		if (++next >= UHCI_VFRAMELIST_COUNT)
   2437   1.48  augustss 			next = 0;
   2438   1.63  augustss 		len = xfer->frlengths[i];
   2439   1.88   tsutsui 		std->td.td_buffer = htole32(buf);
   2440   1.48  augustss 		if (i == nframes - 1)
   2441   1.88   tsutsui 			status |= UHCI_TD_IOC;
   2442   1.88   tsutsui 		std->td.td_status = htole32(status);
   2443   1.88   tsutsui 		std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK);
   2444   1.88   tsutsui 		std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len));
   2445   1.59  augustss #ifdef UHCI_DEBUG
   2446   1.48  augustss 		if (uhcidebug > 5) {
   2447   1.48  augustss 			DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i));
   2448   1.48  augustss 			uhci_dump_td(std);
   2449   1.48  augustss 		}
   2450   1.48  augustss #endif
   2451   1.48  augustss 		buf += len;
   2452   1.48  augustss 	}
   2453   1.48  augustss 	iso->next = next;
   2454   1.63  augustss 	iso->inuse += xfer->nframes;
   2455   1.16  augustss 
   2456   1.48  augustss 	splx(s);
   2457   1.16  augustss }
   2458   1.16  augustss 
   2459   1.16  augustss usbd_status
   2460  1.119  augustss uhci_device_isoc_start(usbd_xfer_handle xfer)
   2461   1.16  augustss {
   2462   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2463   1.48  augustss 	uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus;
   2464   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2465   1.48  augustss 	uhci_soft_td_t *end;
   2466   1.48  augustss 	int s, i;
   2467   1.48  augustss 
   2468   1.96  augustss 	DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer));
   2469   1.96  augustss 
   2470   1.82  augustss 	if (sc->sc_dying)
   2471   1.82  augustss 		return (USBD_IOERROR);
   2472   1.82  augustss 
   2473   1.48  augustss #ifdef DIAGNOSTIC
   2474   1.63  augustss 	if (xfer->status != USBD_IN_PROGRESS)
   2475   1.63  augustss 		printf("uhci_device_isoc_start: not in progress %p\n", xfer);
   2476   1.48  augustss #endif
   2477   1.48  augustss 
   2478   1.48  augustss 	/* Find the last TD */
   2479   1.92  augustss 	i = UXFER(xfer)->curframe + xfer->nframes;
   2480   1.48  augustss 	if (i >= UHCI_VFRAMELIST_COUNT)
   2481   1.48  augustss 		i -= UHCI_VFRAMELIST_COUNT;
   2482   1.48  augustss 	end = upipe->u.iso.stds[i];
   2483   1.48  augustss 
   2484   1.96  augustss #ifdef DIAGNOSTIC
   2485   1.96  augustss 	if (end == NULL) {
   2486   1.96  augustss 		printf("uhci_device_isoc_start: end == NULL\n");
   2487   1.96  augustss 		return (USBD_INVAL);
   2488   1.96  augustss 	}
   2489   1.96  augustss #endif
   2490   1.96  augustss 
   2491   1.48  augustss 	s = splusb();
   2492  1.152  augustss 
   2493   1.48  augustss 	/* Set up interrupt info. */
   2494   1.63  augustss 	ii->xfer = xfer;
   2495   1.48  augustss 	ii->stdstart = end;
   2496   1.48  augustss 	ii->stdend = end;
   2497   1.48  augustss #ifdef DIAGNOSTIC
   2498  1.102  augustss 	if (!ii->isdone)
   2499   1.70  augustss 		printf("uhci_device_isoc_start: not done, ii=%p\n", ii);
   2500   1.48  augustss 	ii->isdone = 0;
   2501   1.48  augustss #endif
   2502   1.92  augustss 	uhci_add_intr_info(sc, ii);
   2503  1.152  augustss 
   2504   1.48  augustss 	splx(s);
   2505   1.48  augustss 
   2506   1.48  augustss 	return (USBD_IN_PROGRESS);
   2507   1.16  augustss }
   2508   1.16  augustss 
   2509   1.16  augustss void
   2510  1.119  augustss uhci_device_isoc_abort(usbd_xfer_handle xfer)
   2511   1.16  augustss {
   2512   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2513   1.48  augustss 	uhci_soft_td_t **stds = upipe->u.iso.stds;
   2514   1.48  augustss 	uhci_soft_td_t *std;
   2515   1.92  augustss 	int i, n, s, nframes, maxlen, len;
   2516   1.92  augustss 
   2517   1.92  augustss 	s = splusb();
   2518   1.92  augustss 
   2519   1.92  augustss 	/* Transfer is already done. */
   2520  1.152  augustss 	if (xfer->status != USBD_NOT_STARTED &&
   2521   1.92  augustss 	    xfer->status != USBD_IN_PROGRESS) {
   2522   1.92  augustss 		splx(s);
   2523   1.92  augustss 		return;
   2524   1.92  augustss 	}
   2525   1.48  augustss 
   2526   1.92  augustss 	/* Give xfer the requested abort code. */
   2527   1.63  augustss 	xfer->status = USBD_CANCELLED;
   2528   1.48  augustss 
   2529   1.48  augustss 	/* make hardware ignore it, */
   2530   1.63  augustss 	nframes = xfer->nframes;
   2531   1.92  augustss 	n = UXFER(xfer)->curframe;
   2532   1.92  augustss 	maxlen = 0;
   2533   1.48  augustss 	for (i = 0; i < nframes; i++) {
   2534   1.48  augustss 		std = stds[n];
   2535   1.88   tsutsui 		std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC));
   2536  1.130   tsutsui 		len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token));
   2537   1.92  augustss 		if (len > maxlen)
   2538   1.92  augustss 			maxlen = len;
   2539   1.48  augustss 		if (++n >= UHCI_VFRAMELIST_COUNT)
   2540   1.48  augustss 			n = 0;
   2541   1.48  augustss 	}
   2542   1.48  augustss 
   2543   1.92  augustss 	/* and wait until we are sure the hardware has finished. */
   2544   1.92  augustss 	delay(maxlen);
   2545   1.92  augustss 
   2546   1.96  augustss #ifdef DIAGNOSTIC
   2547   1.96  augustss 	UXFER(xfer)->iinfo.isdone = 1;
   2548   1.96  augustss #endif
   2549   1.92  augustss 	/* Run callback and remove from interrupt list. */
   2550   1.92  augustss 	usb_transfer_complete(xfer);
   2551   1.48  augustss 
   2552   1.92  augustss 	splx(s);
   2553   1.16  augustss }
   2554   1.16  augustss 
   2555   1.16  augustss void
   2556  1.119  augustss uhci_device_isoc_close(usbd_pipe_handle pipe)
   2557   1.16  augustss {
   2558   1.16  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
   2559   1.16  augustss 	usbd_device_handle dev = upipe->pipe.device;
   2560   1.16  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   2561   1.48  augustss 	uhci_soft_td_t *std, *vstd;
   2562   1.16  augustss 	struct iso *iso;
   2563   1.92  augustss 	int i, s;
   2564   1.16  augustss 
   2565   1.16  augustss 	/*
   2566   1.16  augustss 	 * Make sure all TDs are marked as inactive.
   2567   1.16  augustss 	 * Wait for completion.
   2568   1.16  augustss 	 * Unschedule.
   2569   1.16  augustss 	 * Deallocate.
   2570   1.16  augustss 	 */
   2571   1.16  augustss 	iso = &upipe->u.iso;
   2572   1.16  augustss 
   2573   1.16  augustss 	for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++)
   2574   1.88   tsutsui 		iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE);
   2575   1.20  augustss 	usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */
   2576   1.16  augustss 
   2577   1.92  augustss 	s = splusb();
   2578   1.16  augustss 	for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
   2579   1.16  augustss 		std = iso->stds[i];
   2580   1.48  augustss 		for (vstd = sc->sc_vframes[i].htd;
   2581   1.67  augustss 		     vstd != NULL && vstd->link.std != std;
   2582   1.42  augustss 		     vstd = vstd->link.std)
   2583   1.16  augustss 			;
   2584   1.67  augustss 		if (vstd == NULL) {
   2585   1.16  augustss 			/*panic*/
   2586   1.16  augustss 			printf("uhci_device_isoc_close: %p not found\n", std);
   2587   1.92  augustss 			splx(s);
   2588   1.16  augustss 			return;
   2589   1.16  augustss 		}
   2590   1.42  augustss 		vstd->link = std->link;
   2591   1.42  augustss 		vstd->td.td_link = std->td.td_link;
   2592   1.16  augustss 		uhci_free_std(sc, std);
   2593   1.16  augustss 	}
   2594   1.92  augustss 	splx(s);
   2595   1.16  augustss 
   2596   1.31  augustss 	free(iso->stds, M_USBHC);
   2597   1.16  augustss }
   2598   1.16  augustss 
   2599   1.16  augustss usbd_status
   2600  1.119  augustss uhci_setup_isoc(usbd_pipe_handle pipe)
   2601   1.16  augustss {
   2602   1.16  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
   2603   1.16  augustss 	usbd_device_handle dev = upipe->pipe.device;
   2604   1.16  augustss 	uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
   2605   1.16  augustss 	int addr = upipe->pipe.device->address;
   2606   1.16  augustss 	int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress;
   2607   1.45  augustss 	int rd = UE_GET_DIR(endpt) == UE_DIR_IN;
   2608   1.48  augustss 	uhci_soft_td_t *std, *vstd;
   2609   1.48  augustss 	u_int32_t token;
   2610   1.16  augustss 	struct iso *iso;
   2611   1.92  augustss 	int i, s;
   2612   1.16  augustss 
   2613   1.16  augustss 	iso = &upipe->u.iso;
   2614   1.16  augustss 	iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *),
   2615   1.31  augustss 			   M_USBHC, M_WAITOK);
   2616   1.16  augustss 
   2617   1.88   tsutsui 	token = rd ? UHCI_TD_IN (0, endpt, addr, 0) :
   2618   1.88   tsutsui 		     UHCI_TD_OUT(0, endpt, addr, 0);
   2619   1.16  augustss 
   2620   1.48  augustss 	/* Allocate the TDs and mark as inactive; */
   2621   1.16  augustss 	for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
   2622   1.48  augustss 		std = uhci_alloc_std(sc);
   2623   1.48  augustss 		if (std == 0)
   2624   1.48  augustss 			goto bad;
   2625   1.88   tsutsui 		std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */
   2626   1.88   tsutsui 		std->td.td_token = htole32(token);
   2627   1.48  augustss 		iso->stds[i] = std;
   2628   1.16  augustss 	}
   2629   1.16  augustss 
   2630   1.48  augustss 	/* Insert TDs into schedule. */
   2631   1.92  augustss 	s = splusb();
   2632   1.16  augustss 	for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) {
   2633   1.16  augustss 		std = iso->stds[i];
   2634   1.48  augustss 		vstd = sc->sc_vframes[i].htd;
   2635   1.42  augustss 		std->link = vstd->link;
   2636   1.42  augustss 		std->td.td_link = vstd->td.td_link;
   2637   1.42  augustss 		vstd->link.std = std;
   2638  1.121  augustss 		vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD);
   2639   1.16  augustss 	}
   2640   1.92  augustss 	splx(s);
   2641   1.16  augustss 
   2642   1.48  augustss 	iso->next = -1;
   2643   1.48  augustss 	iso->inuse = 0;
   2644   1.48  augustss 
   2645   1.16  augustss 	return (USBD_NORMAL_COMPLETION);
   2646   1.16  augustss 
   2647   1.48  augustss  bad:
   2648   1.16  augustss 	while (--i >= 0)
   2649   1.16  augustss 		uhci_free_std(sc, iso->stds[i]);
   2650   1.31  augustss 	free(iso->stds, M_USBHC);
   2651   1.16  augustss 	return (USBD_NOMEM);
   2652   1.16  augustss }
   2653   1.16  augustss 
   2654   1.16  augustss void
   2655  1.119  augustss uhci_device_isoc_done(usbd_xfer_handle xfer)
   2656   1.16  augustss {
   2657   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2658   1.48  augustss 
   2659   1.63  augustss 	DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen));
   2660   1.93  augustss 
   2661   1.96  augustss 	if (ii->xfer != xfer)
   2662   1.96  augustss 		/* Not on interrupt list, ignore it. */
   2663  1.170  augustss 		return;
   2664  1.170  augustss 
   2665  1.170  augustss 	if (!uhci_active_intr_info(ii))
   2666   1.96  augustss 		return;
   2667   1.96  augustss 
   2668   1.93  augustss #ifdef DIAGNOSTIC
   2669   1.94  augustss 	if (xfer->busy_free != XFER_BUSY) {
   2670   1.94  augustss 		printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n",
   2671   1.94  augustss 		       xfer, xfer->busy_free);
   2672   1.93  augustss 		return;
   2673   1.93  augustss 	}
   2674   1.93  augustss 
   2675   1.93  augustss         if (ii->stdend == NULL) {
   2676   1.93  augustss                 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer);
   2677   1.93  augustss #ifdef UHCI_DEBUG
   2678   1.93  augustss 		uhci_dump_ii(ii);
   2679   1.93  augustss #endif
   2680   1.93  augustss 		return;
   2681   1.93  augustss 	}
   2682   1.93  augustss #endif
   2683   1.48  augustss 
   2684   1.48  augustss 	/* Turn off the interrupt since it is active even if the TD is not. */
   2685   1.88   tsutsui 	ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC);
   2686   1.48  augustss 
   2687   1.92  augustss 	uhci_del_intr_info(ii);	/* remove from active list */
   2688   1.16  augustss }
   2689   1.16  augustss 
   2690    1.1  augustss void
   2691  1.119  augustss uhci_device_intr_done(usbd_xfer_handle xfer)
   2692    1.1  augustss {
   2693   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2694    1.1  augustss 	uhci_softc_t *sc = ii->sc;
   2695   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2696    1.1  augustss 	uhci_soft_qh_t *sqh;
   2697    1.1  augustss 	int i, npoll;
   2698    1.1  augustss 
   2699  1.173      gson 	DPRINTFN(5, ("uhci_device_intr_done: length=%d\n", xfer->actlen));
   2700    1.1  augustss 
   2701    1.1  augustss 	npoll = upipe->u.intr.npoll;
   2702    1.1  augustss 	for(i = 0; i < npoll; i++) {
   2703    1.1  augustss 		sqh = upipe->u.intr.qhs[i];
   2704  1.121  augustss 		sqh->elink = NULL;
   2705   1.88   tsutsui 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
   2706    1.1  augustss 	}
   2707  1.149  augustss 	uhci_free_std_chain(sc, ii->stdstart, NULL);
   2708    1.1  augustss 
   2709    1.1  augustss 	/* XXX Wasteful. */
   2710   1.63  augustss 	if (xfer->pipe->repeat) {
   2711   1.55  augustss 		uhci_soft_td_t *data, *dataend;
   2712    1.1  augustss 
   2713   1.92  augustss 		DPRINTFN(5,("uhci_device_intr_done: requeing\n"));
   2714   1.92  augustss 
   2715    1.1  augustss 		/* This alloc cannot fail since we freed the chain above. */
   2716   1.73  augustss 		uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags,
   2717   1.63  augustss 				     &xfer->dmabuf, &data, &dataend);
   2718   1.88   tsutsui 		dataend->td.td_status |= htole32(UHCI_TD_IOC);
   2719    1.1  augustss 
   2720   1.59  augustss #ifdef UHCI_DEBUG
   2721    1.1  augustss 		if (uhcidebug > 10) {
   2722   1.55  augustss 			DPRINTF(("uhci_device_intr_done: data(1)\n"));
   2723   1.55  augustss 			uhci_dump_tds(data);
   2724    1.1  augustss 			uhci_dump_qh(upipe->u.intr.qhs[0]);
   2725    1.1  augustss 		}
   2726    1.1  augustss #endif
   2727    1.1  augustss 
   2728   1.55  augustss 		ii->stdstart = data;
   2729   1.55  augustss 		ii->stdend = dataend;
   2730    1.7  augustss #ifdef DIAGNOSTIC
   2731   1.70  augustss 		if (!ii->isdone) {
   2732   1.70  augustss 			printf("uhci_device_intr_done: not done, ii=%p\n", ii);
   2733   1.70  augustss 		}
   2734    1.7  augustss 		ii->isdone = 0;
   2735    1.7  augustss #endif
   2736    1.1  augustss 		for (i = 0; i < npoll; i++) {
   2737    1.1  augustss 			sqh = upipe->u.intr.qhs[i];
   2738   1.55  augustss 			sqh->elink = data;
   2739  1.121  augustss 			sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
   2740    1.1  augustss 		}
   2741   1.92  augustss 		xfer->status = USBD_IN_PROGRESS;
   2742   1.92  augustss 		/* The ii is already on the examined list, just leave it. */
   2743    1.1  augustss 	} else {
   2744   1.92  augustss 		DPRINTFN(5,("uhci_device_intr_done: removing\n"));
   2745  1.169  augustss 		if (uhci_active_intr_info(ii))
   2746  1.169  augustss 			uhci_del_intr_info(ii);
   2747    1.1  augustss 	}
   2748    1.1  augustss }
   2749    1.1  augustss 
   2750    1.1  augustss /* Deallocate request data structures */
   2751    1.1  augustss void
   2752  1.119  augustss uhci_device_ctrl_done(usbd_xfer_handle xfer)
   2753    1.1  augustss {
   2754   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2755    1.1  augustss 	uhci_softc_t *sc = ii->sc;
   2756   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2757    1.1  augustss 
   2758    1.7  augustss #ifdef DIAGNOSTIC
   2759   1.63  augustss 	if (!(xfer->rqflags & URQ_REQUEST))
   2760  1.173      gson 		panic("uhci_device_ctrl_done: not a request");
   2761    1.7  augustss #endif
   2762    1.1  augustss 
   2763  1.169  augustss 	if (!uhci_active_intr_info(ii))
   2764  1.169  augustss 		return;
   2765  1.169  augustss 
   2766   1.92  augustss 	uhci_del_intr_info(ii);	/* remove from active list */
   2767    1.1  augustss 
   2768  1.144  augustss 	if (upipe->pipe.device->speed == USB_SPEED_LOW)
   2769  1.123  augustss 		uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh);
   2770  1.123  augustss 	else
   2771  1.123  augustss 		uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh);
   2772    1.1  augustss 
   2773   1.49  augustss 	if (upipe->u.ctl.length != 0)
   2774   1.42  augustss 		uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend);
   2775   1.49  augustss 
   2776  1.173      gson 	DPRINTFN(5, ("uhci_device_ctrl_done: length=%d\n", xfer->actlen));
   2777    1.1  augustss }
   2778    1.1  augustss 
   2779    1.1  augustss /* Deallocate request data structures */
   2780    1.1  augustss void
   2781  1.119  augustss uhci_device_bulk_done(usbd_xfer_handle xfer)
   2782    1.1  augustss {
   2783   1.92  augustss 	uhci_intr_info_t *ii = &UXFER(xfer)->iinfo;
   2784    1.1  augustss 	uhci_softc_t *sc = ii->sc;
   2785   1.63  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
   2786  1.169  augustss 
   2787  1.173      gson 	DPRINTFN(5,("uhci_device_bulk_done: xfer=%p ii=%p sc=%p upipe=%p\n",
   2788  1.169  augustss 		    xfer, ii, sc, upipe));
   2789  1.169  augustss 
   2790  1.169  augustss 	if (!uhci_active_intr_info(ii))
   2791  1.169  augustss 		return;
   2792    1.1  augustss 
   2793   1.92  augustss 	uhci_del_intr_info(ii);	/* remove from active list */
   2794    1.1  augustss 
   2795    1.1  augustss 	uhci_remove_bulk(sc, upipe->u.bulk.sqh);
   2796   1.32  augustss 
   2797  1.149  augustss 	uhci_free_std_chain(sc, ii->stdstart, NULL);
   2798   1.32  augustss 
   2799  1.173      gson 	DPRINTFN(5, ("uhci_device_bulk_done: length=%d\n", xfer->actlen));
   2800    1.1  augustss }
   2801    1.1  augustss 
   2802    1.1  augustss /* Add interrupt QH, called with vflock. */
   2803    1.1  augustss void
   2804  1.119  augustss uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   2805    1.1  augustss {
   2806   1.92  augustss 	struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos];
   2807   1.42  augustss 	uhci_soft_qh_t *eqh;
   2808    1.1  augustss 
   2809   1.92  augustss 	DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh));
   2810   1.92  augustss 
   2811   1.42  augustss 	eqh = vf->eqh;
   2812   1.42  augustss 	sqh->hlink       = eqh->hlink;
   2813   1.42  augustss 	sqh->qh.qh_hlink = eqh->qh.qh_hlink;
   2814   1.42  augustss 	eqh->hlink       = sqh;
   2815  1.121  augustss 	eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH);
   2816    1.1  augustss 	vf->eqh = sqh;
   2817    1.1  augustss 	vf->bandwidth++;
   2818    1.1  augustss }
   2819    1.1  augustss 
   2820  1.119  augustss /* Remove interrupt QH. */
   2821    1.1  augustss void
   2822  1.119  augustss uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh)
   2823    1.1  augustss {
   2824   1.92  augustss 	struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos];
   2825    1.1  augustss 	uhci_soft_qh_t *pqh;
   2826    1.1  augustss 
   2827   1.92  augustss 	DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh));
   2828    1.1  augustss 
   2829  1.124  augustss 	/* See comment in uhci_remove_ctrl() */
   2830  1.124  augustss 	if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) {
   2831  1.124  augustss 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
   2832  1.124  augustss 		delay(UHCI_QH_REMOVE_DELAY);
   2833  1.124  augustss 	}
   2834  1.124  augustss 
   2835   1.92  augustss 	pqh = uhci_find_prev_qh(vf->hqh, sqh);
   2836   1.42  augustss 	pqh->hlink       = sqh->hlink;
   2837   1.42  augustss 	pqh->qh.qh_hlink = sqh->qh.qh_hlink;
   2838  1.124  augustss 	delay(UHCI_QH_REMOVE_DELAY);
   2839    1.1  augustss 	if (vf->eqh == sqh)
   2840    1.1  augustss 		vf->eqh = pqh;
   2841    1.1  augustss 	vf->bandwidth--;
   2842    1.1  augustss }
   2843    1.1  augustss 
   2844    1.1  augustss usbd_status
   2845  1.119  augustss uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival)
   2846    1.1  augustss {
   2847    1.1  augustss 	uhci_soft_qh_t *sqh;
   2848    1.1  augustss 	int i, npoll, s;
   2849    1.1  augustss 	u_int bestbw, bw, bestoffs, offs;
   2850    1.1  augustss 
   2851  1.173      gson 	DPRINTFN(2, ("uhci_device_setintr: pipe=%p\n", upipe));
   2852    1.1  augustss 	if (ival == 0) {
   2853  1.173      gson 		printf("uhci_device_setintr: 0 interval\n");
   2854    1.1  augustss 		return (USBD_INVAL);
   2855    1.1  augustss 	}
   2856    1.1  augustss 
   2857    1.1  augustss 	if (ival > UHCI_VFRAMELIST_COUNT)
   2858    1.1  augustss 		ival = UHCI_VFRAMELIST_COUNT;
   2859    1.1  augustss 	npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival;
   2860  1.173      gson 	DPRINTFN(2, ("uhci_device_setintr: ival=%d npoll=%d\n", ival, npoll));
   2861    1.1  augustss 
   2862    1.1  augustss 	upipe->u.intr.npoll = npoll;
   2863  1.152  augustss 	upipe->u.intr.qhs =
   2864   1.31  augustss 		malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK);
   2865    1.1  augustss 
   2866  1.152  augustss 	/*
   2867    1.1  augustss 	 * Figure out which offset in the schedule that has most
   2868    1.1  augustss 	 * bandwidth left over.
   2869    1.1  augustss 	 */
   2870    1.1  augustss #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1))
   2871    1.1  augustss 	for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) {
   2872    1.1  augustss 		for (bw = i = 0; i < npoll; i++)
   2873    1.1  augustss 			bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth;
   2874    1.1  augustss 		if (bw < bestbw) {
   2875    1.1  augustss 			bestbw = bw;
   2876    1.1  augustss 			bestoffs = offs;
   2877    1.1  augustss 		}
   2878    1.1  augustss 	}
   2879  1.173      gson 	DPRINTFN(1, ("uhci_device_setintr: bw=%d offs=%d\n", bestbw, bestoffs));
   2880    1.1  augustss 
   2881    1.1  augustss 	for(i = 0; i < npoll; i++) {
   2882    1.1  augustss 		upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc);
   2883  1.121  augustss 		sqh->elink = NULL;
   2884   1.88   tsutsui 		sqh->qh.qh_elink = htole32(UHCI_PTR_T);
   2885    1.1  augustss 		sqh->pos = MOD(i * ival + bestoffs);
   2886    1.1  augustss 	}
   2887    1.1  augustss #undef MOD
   2888    1.1  augustss 
   2889    1.1  augustss 	s = splusb();
   2890    1.1  augustss 	/* Enter QHs into the controller data structures. */
   2891    1.1  augustss 	for(i = 0; i < npoll; i++)
   2892   1.92  augustss 		uhci_add_intr(sc, upipe->u.intr.qhs[i]);
   2893   1.92  augustss 	splx(s);
   2894    1.1  augustss 
   2895  1.173      gson 	DPRINTFN(5, ("uhci_device_setintr: returns %p\n", upipe));
   2896    1.1  augustss 	return (USBD_NORMAL_COMPLETION);
   2897    1.1  augustss }
   2898    1.1  augustss 
   2899    1.1  augustss /* Open a new pipe. */
   2900    1.1  augustss usbd_status
   2901  1.119  augustss uhci_open(usbd_pipe_handle pipe)
   2902    1.1  augustss {
   2903    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
   2904    1.1  augustss 	struct uhci_pipe *upipe = (struct uhci_pipe *)pipe;
   2905    1.1  augustss 	usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc;
   2906   1.63  augustss 	usbd_status err;
   2907   1.79  augustss 	int ival;
   2908    1.1  augustss 
   2909    1.1  augustss 	DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n",
   2910  1.152  augustss 		     pipe, pipe->device->address,
   2911    1.1  augustss 		     ed->bEndpointAddress, sc->sc_addr));
   2912   1.92  augustss 
   2913   1.92  augustss 	upipe->aborting = 0;
   2914   1.92  augustss 	upipe->nexttoggle = 0;
   2915   1.92  augustss 
   2916    1.1  augustss 	if (pipe->device->address == sc->sc_addr) {
   2917    1.1  augustss 		switch (ed->bEndpointAddress) {
   2918    1.1  augustss 		case USB_CONTROL_ENDPOINT:
   2919    1.1  augustss 			pipe->methods = &uhci_root_ctrl_methods;
   2920    1.1  augustss 			break;
   2921   1.45  augustss 		case UE_DIR_IN | UHCI_INTR_ENDPT:
   2922    1.1  augustss 			pipe->methods = &uhci_root_intr_methods;
   2923    1.1  augustss 			break;
   2924    1.1  augustss 		default:
   2925    1.1  augustss 			return (USBD_INVAL);
   2926    1.1  augustss 		}
   2927    1.1  augustss 	} else {
   2928    1.1  augustss 		switch (ed->bmAttributes & UE_XFERTYPE) {
   2929    1.1  augustss 		case UE_CONTROL:
   2930    1.1  augustss 			pipe->methods = &uhci_device_ctrl_methods;
   2931    1.1  augustss 			upipe->u.ctl.sqh = uhci_alloc_sqh(sc);
   2932   1.63  augustss 			if (upipe->u.ctl.sqh == NULL)
   2933    1.5  augustss 				goto bad;
   2934    1.1  augustss 			upipe->u.ctl.setup = uhci_alloc_std(sc);
   2935   1.63  augustss 			if (upipe->u.ctl.setup == NULL) {
   2936    1.5  augustss 				uhci_free_sqh(sc, upipe->u.ctl.sqh);
   2937    1.5  augustss 				goto bad;
   2938    1.5  augustss 			}
   2939    1.1  augustss 			upipe->u.ctl.stat = uhci_alloc_std(sc);
   2940   1.63  augustss 			if (upipe->u.ctl.stat == NULL) {
   2941    1.5  augustss 				uhci_free_sqh(sc, upipe->u.ctl.sqh);
   2942    1.5  augustss 				uhci_free_std(sc, upipe->u.ctl.setup);
   2943    1.5  augustss 				goto bad;
   2944    1.5  augustss 			}
   2945  1.152  augustss 			err = usb_allocmem(&sc->sc_bus,
   2946  1.152  augustss 				  sizeof(usb_device_request_t),
   2947   1.63  augustss 				  0, &upipe->u.ctl.reqdma);
   2948   1.63  augustss 			if (err) {
   2949    1.5  augustss 				uhci_free_sqh(sc, upipe->u.ctl.sqh);
   2950    1.5  augustss 				uhci_free_std(sc, upipe->u.ctl.setup);
   2951    1.5  augustss 				uhci_free_std(sc, upipe->u.ctl.stat);
   2952    1.5  augustss 				goto bad;
   2953    1.5  augustss 			}
   2954    1.1  augustss 			break;
   2955    1.1  augustss 		case UE_INTERRUPT:
   2956    1.1  augustss 			pipe->methods = &uhci_device_intr_methods;
   2957   1.79  augustss 			ival = pipe->interval;
   2958   1.79  augustss 			if (ival == USBD_DEFAULT_INTERVAL)
   2959   1.79  augustss 				ival = ed->bInterval;
   2960   1.80  augustss 			return (uhci_device_setintr(sc, upipe, ival));
   2961    1.1  augustss 		case UE_ISOCHRONOUS:
   2962   1.16  augustss 			pipe->methods = &uhci_device_isoc_methods;
   2963   1.48  augustss 			return (uhci_setup_isoc(pipe));
   2964    1.1  augustss 		case UE_BULK:
   2965    1.1  augustss 			pipe->methods = &uhci_device_bulk_methods;
   2966    1.1  augustss 			upipe->u.bulk.sqh = uhci_alloc_sqh(sc);
   2967   1.63  augustss 			if (upipe->u.bulk.sqh == NULL)
   2968    1.5  augustss 				goto bad;
   2969    1.1  augustss 			break;
   2970    1.1  augustss 		}
   2971    1.1  augustss 	}
   2972    1.1  augustss 	return (USBD_NORMAL_COMPLETION);
   2973    1.5  augustss 
   2974    1.5  augustss  bad:
   2975    1.5  augustss 	return (USBD_NOMEM);
   2976    1.1  augustss }
   2977    1.1  augustss 
   2978    1.1  augustss /*
   2979    1.1  augustss  * Data structures and routines to emulate the root hub.
   2980    1.1  augustss  */
   2981    1.1  augustss usb_device_descriptor_t uhci_devd = {
   2982    1.1  augustss 	USB_DEVICE_DESCRIPTOR_SIZE,
   2983    1.1  augustss 	UDESC_DEVICE,		/* type */
   2984    1.1  augustss 	{0x00, 0x01},		/* USB version */
   2985   1.87  augustss 	UDCLASS_HUB,		/* class */
   2986   1.87  augustss 	UDSUBCLASS_HUB,		/* subclass */
   2987  1.144  augustss 	UDPROTO_FSHUB,		/* protocol */
   2988    1.1  augustss 	64,			/* max packet */
   2989    1.1  augustss 	{0},{0},{0x00,0x01},	/* device id */
   2990    1.1  augustss 	1,2,0,			/* string indicies */
   2991    1.1  augustss 	1			/* # of configurations */
   2992    1.1  augustss };
   2993    1.1  augustss 
   2994    1.1  augustss usb_config_descriptor_t uhci_confd = {
   2995    1.1  augustss 	USB_CONFIG_DESCRIPTOR_SIZE,
   2996    1.1  augustss 	UDESC_CONFIG,
   2997    1.1  augustss 	{USB_CONFIG_DESCRIPTOR_SIZE +
   2998    1.1  augustss 	 USB_INTERFACE_DESCRIPTOR_SIZE +
   2999    1.1  augustss 	 USB_ENDPOINT_DESCRIPTOR_SIZE},
   3000    1.1  augustss 	1,
   3001    1.1  augustss 	1,
   3002    1.1  augustss 	0,
   3003    1.1  augustss 	UC_SELF_POWERED,
   3004    1.1  augustss 	0			/* max power */
   3005    1.1  augustss };
   3006    1.1  augustss 
   3007    1.1  augustss usb_interface_descriptor_t uhci_ifcd = {
   3008    1.1  augustss 	USB_INTERFACE_DESCRIPTOR_SIZE,
   3009    1.1  augustss 	UDESC_INTERFACE,
   3010    1.1  augustss 	0,
   3011    1.1  augustss 	0,
   3012    1.1  augustss 	1,
   3013   1.87  augustss 	UICLASS_HUB,
   3014   1.87  augustss 	UISUBCLASS_HUB,
   3015  1.144  augustss 	UIPROTO_FSHUB,
   3016    1.1  augustss 	0
   3017    1.1  augustss };
   3018    1.1  augustss 
   3019    1.1  augustss usb_endpoint_descriptor_t uhci_endpd = {
   3020    1.1  augustss 	USB_ENDPOINT_DESCRIPTOR_SIZE,
   3021    1.1  augustss 	UDESC_ENDPOINT,
   3022   1.45  augustss 	UE_DIR_IN | UHCI_INTR_ENDPT,
   3023    1.1  augustss 	UE_INTERRUPT,
   3024    1.1  augustss 	{8},
   3025    1.1  augustss 	255
   3026    1.1  augustss };
   3027    1.1  augustss 
   3028    1.1  augustss usb_hub_descriptor_t uhci_hubd_piix = {
   3029    1.1  augustss 	USB_HUB_DESCRIPTOR_SIZE,
   3030    1.1  augustss 	UDESC_HUB,
   3031    1.1  augustss 	2,
   3032    1.1  augustss 	{ UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 },
   3033    1.1  augustss 	50,			/* power on to power good */
   3034    1.1  augustss 	0,
   3035    1.1  augustss 	{ 0x00 },		/* both ports are removable */
   3036    1.1  augustss };
   3037    1.1  augustss 
   3038    1.1  augustss int
   3039  1.189  christos uhci_str(usb_string_descriptor_t *p, int l, const char *s)
   3040    1.1  augustss {
   3041    1.1  augustss 	int i;
   3042    1.1  augustss 
   3043    1.1  augustss 	if (l == 0)
   3044    1.1  augustss 		return (0);
   3045    1.1  augustss 	p->bLength = 2 * strlen(s) + 2;
   3046    1.1  augustss 	if (l == 1)
   3047    1.1  augustss 		return (1);
   3048    1.1  augustss 	p->bDescriptorType = UDESC_STRING;
   3049    1.1  augustss 	l -= 2;
   3050    1.1  augustss 	for (i = 0; s[i] && l > 1; i++, l -= 2)
   3051    1.1  augustss 		USETW2(p->bString[i], 0, s[i]);
   3052    1.1  augustss 	return (2*i+2);
   3053    1.1  augustss }
   3054    1.1  augustss 
   3055    1.1  augustss /*
   3056  1.166   dsainty  * The USB hub protocol requires that SET_FEATURE(PORT_RESET) also
   3057  1.166   dsainty  * enables the port, and also states that SET_FEATURE(PORT_ENABLE)
   3058  1.166   dsainty  * should not be used by the USB subsystem.  As we cannot issue a
   3059  1.166   dsainty  * SET_FEATURE(PORT_ENABLE) externally, we must ensure that the port
   3060  1.166   dsainty  * will be enabled as part of the reset.
   3061  1.166   dsainty  *
   3062  1.166   dsainty  * On the VT83C572, the port cannot be successfully enabled until the
   3063  1.166   dsainty  * outstanding "port enable change" and "connection status change"
   3064  1.166   dsainty  * events have been reset.
   3065  1.166   dsainty  */
   3066  1.166   dsainty Static usbd_status
   3067  1.166   dsainty uhci_portreset(uhci_softc_t *sc, int index)
   3068  1.166   dsainty {
   3069  1.166   dsainty 	int lim, port, x;
   3070  1.166   dsainty 
   3071  1.166   dsainty 	if (index == 1)
   3072  1.166   dsainty 		port = UHCI_PORTSC1;
   3073  1.166   dsainty 	else if (index == 2)
   3074  1.166   dsainty 		port = UHCI_PORTSC2;
   3075  1.166   dsainty 	else
   3076  1.166   dsainty 		return (USBD_IOERROR);
   3077  1.166   dsainty 
   3078  1.166   dsainty 	x = URWMASK(UREAD2(sc, port));
   3079  1.166   dsainty 	UWRITE2(sc, port, x | UHCI_PORTSC_PR);
   3080  1.166   dsainty 
   3081  1.166   dsainty 	usb_delay_ms(&sc->sc_bus, USB_PORT_ROOT_RESET_DELAY);
   3082  1.166   dsainty 
   3083  1.166   dsainty 	DPRINTFN(3,("uhci port %d reset, status0 = 0x%04x\n",
   3084  1.166   dsainty 		    index, UREAD2(sc, port)));
   3085  1.166   dsainty 
   3086  1.166   dsainty 	x = URWMASK(UREAD2(sc, port));
   3087  1.166   dsainty 	UWRITE2(sc, port, x & ~UHCI_PORTSC_PR);
   3088  1.166   dsainty 
   3089  1.166   dsainty 	delay(100);
   3090  1.166   dsainty 
   3091  1.166   dsainty 	DPRINTFN(3,("uhci port %d reset, status1 = 0x%04x\n",
   3092  1.166   dsainty 		    index, UREAD2(sc, port)));
   3093  1.166   dsainty 
   3094  1.166   dsainty 	x = URWMASK(UREAD2(sc, port));
   3095  1.166   dsainty 	UWRITE2(sc, port, x  | UHCI_PORTSC_PE);
   3096  1.166   dsainty 
   3097  1.166   dsainty 	for (lim = 10; --lim > 0;) {
   3098  1.166   dsainty 		usb_delay_ms(&sc->sc_bus, USB_PORT_RESET_DELAY);
   3099  1.166   dsainty 
   3100  1.166   dsainty 		x = UREAD2(sc, port);
   3101  1.166   dsainty 
   3102  1.166   dsainty 		DPRINTFN(3,("uhci port %d iteration %u, status = 0x%04x\n",
   3103  1.166   dsainty 			    index, lim, x));
   3104  1.166   dsainty 
   3105  1.166   dsainty 		if (!(x & UHCI_PORTSC_CCS)) {
   3106  1.166   dsainty 			/*
   3107  1.166   dsainty 			 * No device is connected (or was disconnected
   3108  1.166   dsainty 			 * during reset).  Consider the port reset.
   3109  1.166   dsainty 			 * The delay must be long enough to ensure on
   3110  1.166   dsainty 			 * the initial iteration that the device
   3111  1.166   dsainty 			 * connection will have been registered.  50ms
   3112  1.166   dsainty 			 * appears to be sufficient, but 20ms is not.
   3113  1.166   dsainty 			 */
   3114  1.166   dsainty 			DPRINTFN(3,("uhci port %d loop %u, device detached\n",
   3115  1.166   dsainty 				    index, lim));
   3116  1.166   dsainty 			break;
   3117  1.166   dsainty 		}
   3118  1.166   dsainty 
   3119  1.166   dsainty 		if (x & (UHCI_PORTSC_POEDC | UHCI_PORTSC_CSC)) {
   3120  1.166   dsainty 			/*
   3121  1.166   dsainty 			 * Port enabled changed and/or connection
   3122  1.166   dsainty 			 * status changed were set.  Reset either or
   3123  1.166   dsainty 			 * both raised flags (by writing a 1 to that
   3124  1.166   dsainty 			 * bit), and wait again for state to settle.
   3125  1.166   dsainty 			 */
   3126  1.166   dsainty 			UWRITE2(sc, port, URWMASK(x) |
   3127  1.166   dsainty 				(x & (UHCI_PORTSC_POEDC | UHCI_PORTSC_CSC)));
   3128  1.166   dsainty 			continue;
   3129  1.166   dsainty 		}
   3130  1.166   dsainty 
   3131  1.166   dsainty 		if (x & UHCI_PORTSC_PE)
   3132  1.166   dsainty 			/* Port is enabled */
   3133  1.166   dsainty 			break;
   3134  1.166   dsainty 
   3135  1.166   dsainty 		UWRITE2(sc, port, URWMASK(x) | UHCI_PORTSC_PE);
   3136  1.166   dsainty 	}
   3137  1.166   dsainty 
   3138  1.166   dsainty 	DPRINTFN(3,("uhci port %d reset, status2 = 0x%04x\n",
   3139  1.166   dsainty 		    index, UREAD2(sc, port)));
   3140  1.166   dsainty 
   3141  1.166   dsainty 	if (lim <= 0) {
   3142  1.166   dsainty 		DPRINTFN(1,("uhci port %d reset timed out\n", index));
   3143  1.166   dsainty 		return (USBD_TIMEOUT);
   3144  1.166   dsainty 	}
   3145  1.184     perry 
   3146  1.166   dsainty 	sc->sc_isreset = 1;
   3147  1.166   dsainty 	return (USBD_NORMAL_COMPLETION);
   3148  1.166   dsainty }
   3149  1.166   dsainty 
   3150  1.166   dsainty /*
   3151    1.1  augustss  * Simulate a hardware hub by handling all the necessary requests.
   3152    1.1  augustss  */
   3153    1.1  augustss usbd_status
   3154  1.119  augustss uhci_root_ctrl_transfer(usbd_xfer_handle xfer)
   3155    1.1  augustss {
   3156   1.63  augustss 	usbd_status err;
   3157   1.16  augustss 
   3158   1.52  augustss 	/* Insert last in queue. */
   3159   1.63  augustss 	err = usb_insert_transfer(xfer);
   3160   1.63  augustss 	if (err)
   3161   1.63  augustss 		return (err);
   3162   1.52  augustss 
   3163  1.152  augustss 	/*
   3164   1.94  augustss 	 * Pipe isn't running (otherwise err would be USBD_INPROG),
   3165   1.94  augustss 	 * so start it first.
   3166   1.67  augustss 	 */
   3167   1.63  augustss 	return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue)));
   3168   1.16  augustss }
   3169   1.16  augustss 
   3170   1.16  augustss usbd_status
   3171  1.119  augustss uhci_root_ctrl_start(usbd_xfer_handle xfer)
   3172   1.16  augustss {
   3173   1.63  augustss 	uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus;
   3174    1.1  augustss 	usb_device_request_t *req;
   3175   1.59  augustss 	void *buf = NULL;
   3176    1.1  augustss 	int port, x;
   3177   1.52  augustss 	int s, len, value, index, status, change, l, totlen = 0;
   3178    1.1  augustss 	usb_port_status_t ps;
   3179   1.63  augustss 	usbd_status err;
   3180    1.1  augustss 
   3181   1.82  augustss 	if (sc->sc_dying)
   3182   1.82  augustss 		return (USBD_IOERROR);
   3183   1.82  augustss 
   3184   1.48  augustss #ifdef DIAGNOSTIC
   3185   1.63  augustss 	if (!(xfer->rqflags & URQ_REQUEST))
   3186  1.163    provos 		panic("uhci_root_ctrl_transfer: not a request");
   3187   1.48  augustss #endif
   3188   1.63  augustss 	req = &xfer->request;
   3189    1.1  augustss 
   3190  1.152  augustss 	DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n",
   3191    1.1  augustss 		    req->bmRequestType, req->bRequest));
   3192    1.1  augustss 
   3193    1.1  augustss 	len = UGETW(req->wLength);
   3194    1.1  augustss 	value = UGETW(req->wValue);
   3195    1.1  augustss 	index = UGETW(req->wIndex);
   3196   1.49  augustss 
   3197   1.49  augustss 	if (len != 0)
   3198  1.159  augustss 		buf = KERNADDR(&xfer->dmabuf, 0);
   3199   1.49  augustss 
   3200    1.1  augustss #define C(x,y) ((x) | ((y) << 8))
   3201    1.1  augustss 	switch(C(req->bRequest, req->bmRequestType)) {
   3202    1.1  augustss 	case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
   3203    1.1  augustss 	case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
   3204    1.1  augustss 	case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
   3205  1.152  augustss 		/*
   3206   1.13  augustss 		 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops
   3207    1.1  augustss 		 * for the integrated root hub.
   3208    1.1  augustss 		 */
   3209    1.1  augustss 		break;
   3210    1.1  augustss 	case C(UR_GET_CONFIG, UT_READ_DEVICE):
   3211    1.1  augustss 		if (len > 0) {
   3212    1.1  augustss 			*(u_int8_t *)buf = sc->sc_conf;
   3213    1.1  augustss 			totlen = 1;
   3214    1.1  augustss 		}
   3215    1.1  augustss 		break;
   3216    1.1  augustss 	case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
   3217    1.1  augustss 		DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value));
   3218  1.195  christos 		if (len == 0)
   3219  1.195  christos 			break;
   3220    1.1  augustss 		switch(value >> 8) {
   3221    1.1  augustss 		case UDESC_DEVICE:
   3222    1.1  augustss 			if ((value & 0xff) != 0) {
   3223   1.63  augustss 				err = USBD_IOERROR;
   3224    1.1  augustss 				goto ret;
   3225    1.1  augustss 			}
   3226    1.1  augustss 			totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE);
   3227   1.27  augustss 			USETW(uhci_devd.idVendor, sc->sc_id_vendor);
   3228    1.1  augustss 			memcpy(buf, &uhci_devd, l);
   3229    1.1  augustss 			break;
   3230    1.1  augustss 		case UDESC_CONFIG:
   3231    1.1  augustss 			if ((value & 0xff) != 0) {
   3232   1.63  augustss 				err = USBD_IOERROR;
   3233    1.1  augustss 				goto ret;
   3234    1.1  augustss 			}
   3235    1.1  augustss 			totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE);
   3236    1.1  augustss 			memcpy(buf, &uhci_confd, l);
   3237    1.1  augustss 			buf = (char *)buf + l;
   3238    1.1  augustss 			len -= l;
   3239    1.1  augustss 			l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE);
   3240    1.1  augustss 			totlen += l;
   3241    1.1  augustss 			memcpy(buf, &uhci_ifcd, l);
   3242    1.1  augustss 			buf = (char *)buf + l;
   3243    1.1  augustss 			len -= l;
   3244    1.1  augustss 			l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE);
   3245    1.1  augustss 			totlen += l;
   3246    1.1  augustss 			memcpy(buf, &uhci_endpd, l);
   3247    1.1  augustss 			break;
   3248    1.1  augustss 		case UDESC_STRING:
   3249    1.1  augustss 			*(u_int8_t *)buf = 0;
   3250    1.1  augustss 			totlen = 1;
   3251    1.1  augustss 			switch (value & 0xff) {
   3252  1.182  augustss 			case 0: /* Language table */
   3253  1.182  augustss 				totlen = uhci_str(buf, len, "\001");
   3254  1.182  augustss 				break;
   3255    1.1  augustss 			case 1: /* Vendor */
   3256    1.8  augustss 				totlen = uhci_str(buf, len, sc->sc_vendor);
   3257    1.1  augustss 				break;
   3258    1.1  augustss 			case 2: /* Product */
   3259    1.8  augustss 				totlen = uhci_str(buf, len, "UHCI root hub");
   3260    1.1  augustss 				break;
   3261    1.1  augustss 			}
   3262    1.1  augustss 			break;
   3263    1.1  augustss 		default:
   3264   1.63  augustss 			err = USBD_IOERROR;
   3265    1.1  augustss 			goto ret;
   3266    1.1  augustss 		}
   3267    1.1  augustss 		break;
   3268    1.1  augustss 	case C(UR_GET_INTERFACE, UT_READ_INTERFACE):
   3269    1.1  augustss 		if (len > 0) {
   3270    1.1  augustss 			*(u_int8_t *)buf = 0;
   3271    1.1  augustss 			totlen = 1;
   3272    1.1  augustss 		}
   3273    1.1  augustss 		break;
   3274    1.1  augustss 	case C(UR_GET_STATUS, UT_READ_DEVICE):
   3275    1.1  augustss 		if (len > 1) {
   3276    1.1  augustss 			USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED);
   3277    1.1  augustss 			totlen = 2;
   3278    1.1  augustss 		}
   3279    1.1  augustss 		break;
   3280    1.1  augustss 	case C(UR_GET_STATUS, UT_READ_INTERFACE):
   3281    1.1  augustss 	case C(UR_GET_STATUS, UT_READ_ENDPOINT):
   3282    1.1  augustss 		if (len > 1) {
   3283    1.1  augustss 			USETW(((usb_status_t *)buf)->wStatus, 0);
   3284    1.1  augustss 			totlen = 2;
   3285    1.1  augustss 		}
   3286    1.1  augustss 		break;
   3287    1.1  augustss 	case C(UR_SET_ADDRESS, UT_WRITE_DEVICE):
   3288    1.1  augustss 		if (value >= USB_MAX_DEVICES) {
   3289   1.63  augustss 			err = USBD_IOERROR;
   3290    1.1  augustss 			goto ret;
   3291    1.1  augustss 		}
   3292    1.1  augustss 		sc->sc_addr = value;
   3293    1.1  augustss 		break;
   3294    1.1  augustss 	case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
   3295    1.1  augustss 		if (value != 0 && value != 1) {
   3296   1.63  augustss 			err = USBD_IOERROR;
   3297    1.1  augustss 			goto ret;
   3298    1.1  augustss 		}
   3299    1.1  augustss 		sc->sc_conf = value;
   3300    1.1  augustss 		break;
   3301    1.1  augustss 	case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
   3302    1.1  augustss 		break;
   3303    1.1  augustss 	case C(UR_SET_FEATURE, UT_WRITE_DEVICE):
   3304    1.1  augustss 	case C(UR_SET_FEATURE, UT_WRITE_INTERFACE):
   3305    1.1  augustss 	case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
   3306   1.63  augustss 		err = USBD_IOERROR;
   3307    1.1  augustss 		goto ret;
   3308    1.1  augustss 	case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
   3309    1.1  augustss 		break;
   3310    1.1  augustss 	case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
   3311    1.1  augustss 		break;
   3312    1.1  augustss 	/* Hub requests */
   3313    1.1  augustss 	case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
   3314    1.1  augustss 		break;
   3315    1.1  augustss 	case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
   3316   1.12  augustss 		DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE "
   3317   1.12  augustss 			     "port=%d feature=%d\n",
   3318    1.1  augustss 			     index, value));
   3319    1.1  augustss 		if (index == 1)
   3320    1.1  augustss 			port = UHCI_PORTSC1;
   3321    1.1  augustss 		else if (index == 2)
   3322    1.1  augustss 			port = UHCI_PORTSC2;
   3323    1.1  augustss 		else {
   3324   1.63  augustss 			err = USBD_IOERROR;
   3325    1.1  augustss 			goto ret;
   3326    1.1  augustss 		}
   3327    1.1  augustss 		switch(value) {
   3328    1.1  augustss 		case UHF_PORT_ENABLE:
   3329  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3330    1.1  augustss 			UWRITE2(sc, port, x & ~UHCI_PORTSC_PE);
   3331    1.1  augustss 			break;
   3332    1.1  augustss 		case UHF_PORT_SUSPEND:
   3333  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3334    1.1  augustss 			UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP);
   3335    1.1  augustss 			break;
   3336    1.1  augustss 		case UHF_PORT_RESET:
   3337  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3338    1.1  augustss 			UWRITE2(sc, port, x & ~UHCI_PORTSC_PR);
   3339    1.1  augustss 			break;
   3340    1.1  augustss 		case UHF_C_PORT_CONNECTION:
   3341  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3342    1.1  augustss 			UWRITE2(sc, port, x | UHCI_PORTSC_CSC);
   3343    1.1  augustss 			break;
   3344    1.1  augustss 		case UHF_C_PORT_ENABLE:
   3345  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3346    1.1  augustss 			UWRITE2(sc, port, x | UHCI_PORTSC_POEDC);
   3347    1.1  augustss 			break;
   3348    1.1  augustss 		case UHF_C_PORT_OVER_CURRENT:
   3349  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3350    1.1  augustss 			UWRITE2(sc, port, x | UHCI_PORTSC_OCIC);
   3351    1.1  augustss 			break;
   3352    1.1  augustss 		case UHF_C_PORT_RESET:
   3353    1.1  augustss 			sc->sc_isreset = 0;
   3354   1.63  augustss 			err = USBD_NORMAL_COMPLETION;
   3355    1.1  augustss 			goto ret;
   3356    1.1  augustss 		case UHF_PORT_CONNECTION:
   3357    1.1  augustss 		case UHF_PORT_OVER_CURRENT:
   3358    1.1  augustss 		case UHF_PORT_POWER:
   3359    1.1  augustss 		case UHF_PORT_LOW_SPEED:
   3360    1.1  augustss 		case UHF_C_PORT_SUSPEND:
   3361    1.1  augustss 		default:
   3362   1.63  augustss 			err = USBD_IOERROR;
   3363    1.1  augustss 			goto ret;
   3364    1.1  augustss 		}
   3365    1.1  augustss 		break;
   3366    1.1  augustss 	case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER):
   3367    1.1  augustss 		if (index == 1)
   3368    1.1  augustss 			port = UHCI_PORTSC1;
   3369    1.1  augustss 		else if (index == 2)
   3370    1.1  augustss 			port = UHCI_PORTSC2;
   3371    1.1  augustss 		else {
   3372   1.63  augustss 			err = USBD_IOERROR;
   3373    1.1  augustss 			goto ret;
   3374    1.1  augustss 		}
   3375    1.1  augustss 		if (len > 0) {
   3376  1.152  augustss 			*(u_int8_t *)buf =
   3377    1.1  augustss 				(UREAD2(sc, port) & UHCI_PORTSC_LS) >>
   3378    1.1  augustss 				UHCI_PORTSC_LS_SHIFT;
   3379    1.1  augustss 			totlen = 1;
   3380    1.1  augustss 		}
   3381    1.1  augustss 		break;
   3382    1.1  augustss 	case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
   3383  1.195  christos 		if (len == 0)
   3384  1.195  christos 			break;
   3385  1.177    toshii 		if ((value & 0xff) != 0) {
   3386   1.63  augustss 			err = USBD_IOERROR;
   3387    1.1  augustss 			goto ret;
   3388    1.1  augustss 		}
   3389    1.1  augustss 		l = min(len, USB_HUB_DESCRIPTOR_SIZE);
   3390    1.1  augustss 		totlen = l;
   3391    1.1  augustss 		memcpy(buf, &uhci_hubd_piix, l);
   3392    1.1  augustss 		break;
   3393    1.1  augustss 	case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
   3394    1.1  augustss 		if (len != 4) {
   3395   1.63  augustss 			err = USBD_IOERROR;
   3396    1.1  augustss 			goto ret;
   3397    1.1  augustss 		}
   3398    1.1  augustss 		memset(buf, 0, len);
   3399    1.1  augustss 		totlen = len;
   3400    1.1  augustss 		break;
   3401    1.1  augustss 	case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
   3402    1.1  augustss 		if (index == 1)
   3403    1.1  augustss 			port = UHCI_PORTSC1;
   3404    1.1  augustss 		else if (index == 2)
   3405    1.1  augustss 			port = UHCI_PORTSC2;
   3406    1.1  augustss 		else {
   3407   1.63  augustss 			err = USBD_IOERROR;
   3408    1.1  augustss 			goto ret;
   3409    1.1  augustss 		}
   3410    1.1  augustss 		if (len != 4) {
   3411   1.63  augustss 			err = USBD_IOERROR;
   3412    1.1  augustss 			goto ret;
   3413    1.1  augustss 		}
   3414    1.1  augustss 		x = UREAD2(sc, port);
   3415    1.1  augustss 		status = change = 0;
   3416  1.142  augustss 		if (x & UHCI_PORTSC_CCS)
   3417    1.1  augustss 			status |= UPS_CURRENT_CONNECT_STATUS;
   3418  1.152  augustss 		if (x & UHCI_PORTSC_CSC)
   3419    1.1  augustss 			change |= UPS_C_CONNECT_STATUS;
   3420  1.152  augustss 		if (x & UHCI_PORTSC_PE)
   3421    1.1  augustss 			status |= UPS_PORT_ENABLED;
   3422  1.152  augustss 		if (x & UHCI_PORTSC_POEDC)
   3423    1.1  augustss 			change |= UPS_C_PORT_ENABLED;
   3424  1.152  augustss 		if (x & UHCI_PORTSC_OCI)
   3425    1.1  augustss 			status |= UPS_OVERCURRENT_INDICATOR;
   3426  1.152  augustss 		if (x & UHCI_PORTSC_OCIC)
   3427    1.1  augustss 			change |= UPS_C_OVERCURRENT_INDICATOR;
   3428  1.152  augustss 		if (x & UHCI_PORTSC_SUSP)
   3429    1.1  augustss 			status |= UPS_SUSPEND;
   3430  1.152  augustss 		if (x & UHCI_PORTSC_LSDA)
   3431    1.1  augustss 			status |= UPS_LOW_SPEED;
   3432    1.1  augustss 		status |= UPS_PORT_POWER;
   3433    1.1  augustss 		if (sc->sc_isreset)
   3434    1.1  augustss 			change |= UPS_C_PORT_RESET;
   3435    1.1  augustss 		USETW(ps.wPortStatus, status);
   3436    1.1  augustss 		USETW(ps.wPortChange, change);
   3437    1.1  augustss 		l = min(len, sizeof ps);
   3438    1.1  augustss 		memcpy(buf, &ps, l);
   3439    1.1  augustss 		totlen = l;
   3440    1.1  augustss 		break;
   3441    1.1  augustss 	case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
   3442   1.63  augustss 		err = USBD_IOERROR;
   3443    1.1  augustss 		goto ret;
   3444    1.1  augustss 	case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
   3445    1.1  augustss 		break;
   3446    1.1  augustss 	case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
   3447    1.1  augustss 		if (index == 1)
   3448    1.1  augustss 			port = UHCI_PORTSC1;
   3449    1.1  augustss 		else if (index == 2)
   3450    1.1  augustss 			port = UHCI_PORTSC2;
   3451    1.1  augustss 		else {
   3452   1.63  augustss 			err = USBD_IOERROR;
   3453    1.1  augustss 			goto ret;
   3454    1.1  augustss 		}
   3455    1.1  augustss 		switch(value) {
   3456    1.1  augustss 		case UHF_PORT_ENABLE:
   3457  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3458    1.1  augustss 			UWRITE2(sc, port, x | UHCI_PORTSC_PE);
   3459    1.1  augustss 			break;
   3460    1.1  augustss 		case UHF_PORT_SUSPEND:
   3461  1.137  augustss 			x = URWMASK(UREAD2(sc, port));
   3462    1.1  augustss 			UWRITE2(sc, port, x | UHCI_PORTSC_SUSP);
   3463    1.1  augustss 			break;
   3464    1.1  augustss 		case UHF_PORT_RESET:
   3465  1.166   dsainty 			err = uhci_portreset(sc, index);
   3466  1.166   dsainty 			goto ret;
   3467  1.111  augustss 		case UHF_PORT_POWER:
   3468  1.111  augustss 			/* Pretend we turned on power */
   3469  1.115   mycroft 			err = USBD_NORMAL_COMPLETION;
   3470  1.111  augustss 			goto ret;
   3471    1.1  augustss 		case UHF_C_PORT_CONNECTION:
   3472    1.1  augustss 		case UHF_C_PORT_ENABLE:
   3473    1.1  augustss 		case UHF_C_PORT_OVER_CURRENT:
   3474    1.1  augustss 		case UHF_PORT_CONNECTION:
   3475    1.1  augustss 		case UHF_PORT_OVER_CURRENT:
   3476    1.1  augustss 		case UHF_PORT_LOW_SPEED:
   3477    1.1  augustss 		case UHF_C_PORT_SUSPEND:
   3478    1.1  augustss 		case UHF_C_PORT_RESET:
   3479    1.1  augustss 		default:
   3480   1.63  augustss 			err = USBD_IOERROR;
   3481    1.1  augustss 			goto ret;
   3482    1.1  augustss 		}
   3483    1.1  augustss 		break;
   3484    1.1  augustss 	default:
   3485   1.63  augustss 		err = USBD_IOERROR;
   3486    1.1  augustss 		goto ret;
   3487    1.1  augustss 	}
   3488   1.63  augustss 	xfer->actlen = totlen;
   3489   1.63  augustss 	err = USBD_NORMAL_COMPLETION;
   3490    1.1  augustss  ret:
   3491   1.63  augustss 	xfer->status = err;
   3492   1.52  augustss 	s = splusb();
   3493   1.63  augustss 	usb_transfer_complete(xfer);
   3494   1.52  augustss 	splx(s);
   3495    1.1  augustss 	return (USBD_IN_PROGRESS);
   3496    1.1  augustss }
   3497    1.1  augustss 
   3498    1.1  augustss /* Abort a root control request. */
   3499    1.1  augustss void
   3500  1.119  augustss uhci_root_ctrl_abort(usbd_xfer_handle xfer)
   3501    1.1  augustss {
   3502   1.70  augustss 	/* Nothing to do, all transfers are synchronous. */
   3503    1.1  augustss }
   3504    1.1  augustss 
   3505    1.1  augustss /* Close the root pipe. */
   3506    1.1  augustss void
   3507  1.119  augustss uhci_root_ctrl_close(usbd_pipe_handle pipe)
   3508    1.1  augustss {
   3509    1.1  augustss 	DPRINTF(("uhci_root_ctrl_close\n"));
   3510    1.1  augustss }
   3511    1.1  augustss 
   3512    1.1  augustss /* Abort a root interrupt request. */
   3513    1.1  augustss void
   3514  1.119  augustss uhci_root_intr_abort(usbd_xfer_handle xfer)
   3515    1.1  augustss {
   3516   1.63  augustss 	uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus;
   3517   1.30  augustss 
   3518   1.96  augustss 	usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer);
   3519   1.96  augustss 	sc->sc_intr_xfer = NULL;
   3520   1.58  augustss 
   3521   1.63  augustss 	if (xfer->pipe->intrxfer == xfer) {
   3522   1.58  augustss 		DPRINTF(("uhci_root_intr_abort: remove\n"));
   3523   1.63  augustss 		xfer->pipe->intrxfer = 0;
   3524   1.58  augustss 	}
   3525   1.63  augustss 	xfer->status = USBD_CANCELLED;
   3526   1.96  augustss #ifdef DIAGNOSTIC
   3527   1.96  augustss 	UXFER(xfer)->iinfo.isdone = 1;
   3528   1.96  augustss #endif
   3529   1.63  augustss 	usb_transfer_complete(xfer);
   3530    1.1  augustss }
   3531    1.1  augustss 
   3532   1.16  augustss usbd_status
   3533  1.119  augustss uhci_root_intr_transfer(usbd_xfer_handle xfer)
   3534   1.16  augustss {
   3535   1.63  augustss 	usbd_status err;
   3536   1.16  augustss 
   3537   1.52  augustss 	/* Insert last in queue. */
   3538   1.63  augustss 	err = usb_insert_transfer(xfer);
   3539   1.63  augustss 	if (err)
   3540   1.63  augustss 		return (err);
   3541   1.52  augustss 
   3542  1.186     skrll 	/*
   3543  1.186     skrll 	 * Pipe isn't running (otherwise err would be USBD_INPROG),
   3544   1.67  augustss 	 * start first
   3545   1.67  augustss 	 */
   3546   1.63  augustss 	return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue)));
   3547   1.16  augustss }
   3548   1.16  augustss 
   3549    1.1  augustss /* Start a transfer on the root interrupt pipe */
   3550    1.1  augustss usbd_status
   3551  1.119  augustss uhci_root_intr_start(usbd_xfer_handle xfer)
   3552    1.1  augustss {
   3553   1.63  augustss 	usbd_pipe_handle pipe = xfer->pipe;
   3554    1.1  augustss 	uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
   3555  1.174  drochner 	unsigned int ival;
   3556    1.1  augustss 
   3557  1.173      gson 	DPRINTFN(3, ("uhci_root_intr_start: xfer=%p len=%d flags=%d\n",
   3558   1.63  augustss 		     xfer, xfer->length, xfer->flags));
   3559   1.82  augustss 
   3560   1.82  augustss 	if (sc->sc_dying)
   3561   1.82  augustss 		return (USBD_IOERROR);
   3562    1.1  augustss 
   3563  1.174  drochner 	/* XXX temporary variable needed to avoid gcc3 warning */
   3564  1.174  drochner 	ival = xfer->pipe->endpoint->edesc->bInterval;
   3565  1.174  drochner 	sc->sc_ival = mstohz(ival);
   3566   1.96  augustss 	usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer);
   3567   1.96  augustss 	sc->sc_intr_xfer = xfer;
   3568    1.1  augustss 	return (USBD_IN_PROGRESS);
   3569    1.1  augustss }
   3570    1.1  augustss 
   3571    1.1  augustss /* Close the root interrupt pipe. */
   3572    1.1  augustss void
   3573  1.119  augustss uhci_root_intr_close(usbd_pipe_handle pipe)
   3574    1.1  augustss {
   3575   1.30  augustss 	uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus;
   3576   1.30  augustss 
   3577   1.96  augustss 	usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer);
   3578   1.96  augustss 	sc->sc_intr_xfer = NULL;
   3579    1.1  augustss 	DPRINTF(("uhci_root_intr_close\n"));
   3580    1.1  augustss }
   3581