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ehcivar.h revision 1.9
      1 /*	$NetBSD: ehcivar.h,v 1.9 2001/11/20 13:49:23 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (lennart (at) augustsson.net).
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 typedef struct ehci_soft_qtd {
     40 	ehci_qtd_t qtd;
     41 	struct ehci_soft_qtd *nextqtd; /* mirrors nextqtd in TD */
     42 	ehci_physaddr_t physaddr;
     43 	usbd_xfer_handle xfer;
     44 	LIST_ENTRY(ehci_soft_qtd) hnext;
     45 #if 0
     46 	struct ehci_soft_qtd *dnext; /* next in done list */
     47 	u_int16_t len;
     48 	u_int16_t flags;
     49 #define EHCI_CALL_DONE	0x0001
     50 #define EHCI_ADD_LEN	0x0002
     51 #endif
     52 } ehci_soft_qtd_t;
     53 #define EHCI_SQTD_SIZE ((sizeof (struct ehci_soft_qtd) + EHCI_QTD_ALIGN - 1) / EHCI_QTD_ALIGN * EHCI_QTD_ALIGN)
     54 #define EHCI_SQTD_CHUNK (EHCI_PAGE_SIZE / EHCI_SQTD_SIZE)
     55 
     56 typedef struct ehci_soft_qh {
     57 	ehci_qh_t qh;
     58 	struct ehci_soft_qh *next;
     59 	struct ehci_soft_qtd *sqtd;
     60 	ehci_physaddr_t physaddr;
     61 } ehci_soft_qh_t;
     62 #define EHCI_SQH_SIZE ((sizeof (struct ehci_soft_qh) + EHCI_QH_ALIGN - 1) / EHCI_QH_ALIGN * EHCI_QH_ALIGN)
     63 #define EHCI_SQH_CHUNK (EHCI_PAGE_SIZE / EHCI_SQH_SIZE)
     64 
     65 
     66 #define EHCI_HASH_SIZE 128
     67 #define EHCI_COMPANION_MAX 8
     68 
     69 typedef struct ehci_softc {
     70 	struct usbd_bus sc_bus;		/* base device */
     71 	bus_space_tag_t iot;
     72 	bus_space_handle_t ioh;
     73 	bus_size_t sc_size;
     74 	u_int sc_offs;			/* offset to operational regs */
     75 
     76 	char sc_vendor[16];		/* vendor string for root hub */
     77 	int sc_id_vendor;		/* vendor ID for root hub */
     78 
     79 	void *sc_powerhook;		/* cookie from power hook */
     80 	void *sc_shutdownhook;		/* cookie from shutdown hook */
     81 
     82 	u_int sc_ncomp;
     83 	u_int sc_npcomp;
     84 	struct usbd_bus *sc_comps[EHCI_COMPANION_MAX];
     85 
     86 	usb_dma_t sc_fldma;
     87 	u_int sc_flsize;
     88 
     89 	ehci_soft_qh_t *sc_freeqhs;
     90 	ehci_soft_qtd_t *sc_freeqtds;
     91 
     92 	int sc_noport;
     93 	u_int8_t sc_addr;		/* device address */
     94 	u_int8_t sc_conf;		/* device configuration */
     95 	usbd_xfer_handle sc_intrxfer;
     96 	char sc_isreset;
     97 
     98 	u_int32_t sc_eintrs;
     99 	ehci_soft_qh_t *sc_async_head;
    100 
    101 	SIMPLEQ_HEAD(, usbd_xfer) sc_free_xfers; /* free xfers */
    102 
    103 	struct lock sc_doorbell_lock;
    104 
    105 	usb_callout_t sc_tmo_pcd;
    106 
    107 	device_ptr_t sc_child;		/* /dev/usb# device */
    108 
    109 	char sc_dying;
    110 } ehci_softc_t;
    111 
    112 #define EREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (a))
    113 #define EREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (a))
    114 #define EREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (a))
    115 #define EWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (a), (x))
    116 #define EWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (a), (x))
    117 #define EWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (a), (x))
    118 #define EOREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
    119 #define EOREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
    120 #define EOREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
    121 #define EOWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
    122 #define EOWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
    123 #define EOWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
    124 
    125 usbd_status	ehci_init(ehci_softc_t *);
    126 int		ehci_intr(void *);
    127 int		ehci_detach(ehci_softc_t *, int);
    128 int		ehci_activate(device_ptr_t, enum devact);
    129