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ohcivar.h revision 1.16 
      1 /*	$NetBSD: ohcivar.h,v 1.16 2000/01/16 10:27:51 augustss Exp $	*/
      2 /*	$FreeBSD: src/sys/dev/usb/ohcivar.h,v 1.13 1999/11/17 22:33:41 n_hibma Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to The NetBSD Foundation
      9  * by Lennart Augustsson (augustss (at) carlstedt.se) at
     10  * Carlstedt Research & Technology.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *        This product includes software developed by the NetBSD
     23  *        Foundation, Inc. and its contributors.
     24  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25  *    contributors may be used to endorse or promote products derived
     26  *    from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38  * POSSIBILITY OF SUCH DAMAGE.
     39  */
     40 
     41 typedef struct ohci_soft_ed {
     42 	ohci_ed_t ed;
     43 	struct ohci_soft_ed *next;
     44 	ohci_physaddr_t physaddr;
     45 } ohci_soft_ed_t;
     46 #define OHCI_SED_SIZE ((sizeof (struct ohci_soft_ed) + OHCI_ED_ALIGN - 1) / OHCI_ED_ALIGN * OHCI_ED_ALIGN)
     47 #define OHCI_SED_CHUNK 128
     48 
     49 typedef struct ohci_soft_td {
     50 	ohci_td_t td;
     51 	struct ohci_soft_td *nexttd; /* mirrors nexttd in TD */
     52 	struct ohci_soft_td *dnext; /* next in done list */
     53 	ohci_physaddr_t physaddr;
     54 	LIST_ENTRY(ohci_soft_td) hnext;
     55 	usbd_xfer_handle xfer;
     56 	u_int16_t len;
     57 	u_int16_t flags;
     58 #define OHCI_CALL_DONE	0x0001
     59 #define OHCI_ADD_LEN	0x0002
     60 } ohci_soft_td_t;
     61 #define OHCI_STD_SIZE ((sizeof (struct ohci_soft_td) + OHCI_TD_ALIGN - 1) / OHCI_TD_ALIGN * OHCI_TD_ALIGN)
     62 #define OHCI_STD_CHUNK 128
     63 
     64 #define OHCI_NO_EDS (2*OHCI_NO_INTRS-1)
     65 
     66 #define OHCI_HASH_SIZE 128
     67 
     68 typedef struct ohci_softc {
     69 	struct usbd_bus sc_bus;		/* base device */
     70 	bus_space_tag_t iot;
     71 	bus_space_handle_t ioh;
     72 
     73 	usb_dma_t sc_hccadma;
     74 	struct ohci_hcca *sc_hcca;
     75 	ohci_soft_ed_t *sc_eds[OHCI_NO_EDS];
     76 	u_int sc_bws[OHCI_NO_INTRS];
     77 
     78 	u_int32_t sc_eintrs;
     79 	ohci_soft_ed_t *sc_ctrl_head;
     80 	ohci_soft_ed_t *sc_bulk_head;
     81 
     82 	LIST_HEAD(, ohci_soft_td) sc_hash_tds[OHCI_HASH_SIZE];
     83 
     84 	int sc_noport;
     85 	u_int8_t sc_addr;		/* device address */
     86 	u_int8_t sc_conf;		/* device configuration */
     87 
     88 	ohci_soft_ed_t *sc_freeeds;
     89 	ohci_soft_td_t *sc_freetds;
     90 
     91 	usbd_xfer_handle sc_intrxfer;
     92 
     93 	char sc_vendor[16];
     94 	int sc_id_vendor;
     95 
     96 	void *sc_powerhook;
     97 	void *sc_shutdownhook;		/* cookie from shutdown hook */
     98 
     99 	device_ptr_t sc_child;
    100 } ohci_softc_t;
    101 
    102 usbd_status	ohci_init __P((ohci_softc_t *));
    103 int		ohci_intr __P((void *));
    104 #if defined(__NetBSD__) || defined(__OpenBSD__)
    105 int		ohci_detach __P((ohci_softc_t *, int));
    106 int		ohci_activate __P((device_ptr_t, enum devact));
    107 #endif
    108 
    109 #define MS_TO_TICKS(ms) ((ms) * hz / 1000)
    110