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ohcivar.h revision 1.14 
      1 /*	$NetBSD: ohcivar.h,v 1.14 1999/11/12 00:34:57 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 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 (augustss (at) carlstedt.se) at
      9  * Carlstedt Research & Technology.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *        This product includes software developed by the NetBSD
     22  *        Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 typedef struct ohci_soft_ed {
     41 	ohci_ed_t ed;
     42 	struct ohci_soft_ed *next;
     43 	ohci_physaddr_t physaddr;
     44 } ohci_soft_ed_t;
     45 #define OHCI_SED_SIZE ((sizeof (struct ohci_soft_ed) + OHCI_ED_ALIGN - 1) / OHCI_ED_ALIGN * OHCI_ED_ALIGN)
     46 #define OHCI_SED_CHUNK 128
     47 
     48 typedef struct ohci_soft_td {
     49 	ohci_td_t td;
     50 	struct ohci_soft_td *nexttd; /* mirrors nexttd in TD */
     51 	struct ohci_soft_td *dnext; /* next in done list */
     52 	ohci_physaddr_t physaddr;
     53 	LIST_ENTRY(ohci_soft_td) hnext;
     54 	usbd_xfer_handle xfer;
     55 	u_int16_t len;
     56 	u_int16_t flags;
     57 #define OHCI_CALL_DONE	0x0001
     58 #define OHCI_ADD_LEN	0x0002
     59 } ohci_soft_td_t;
     60 #define OHCI_STD_SIZE ((sizeof (struct ohci_soft_td) + OHCI_TD_ALIGN - 1) / OHCI_TD_ALIGN * OHCI_TD_ALIGN)
     61 #define OHCI_STD_CHUNK 128
     62 
     63 #define OHCI_NO_EDS (2*OHCI_NO_INTRS-1)
     64 
     65 #define OHCI_HASH_SIZE 128
     66 
     67 typedef struct ohci_softc {
     68 	struct usbd_bus sc_bus;		/* base device */
     69 	bus_space_tag_t iot;
     70 	bus_space_handle_t ioh;
     71 
     72 	usb_dma_t sc_hccadma;
     73 	struct ohci_hcca *sc_hcca;
     74 	ohci_soft_ed_t *sc_eds[OHCI_NO_EDS];
     75 	u_int sc_bws[OHCI_NO_INTRS];
     76 
     77 	u_int32_t sc_eintrs;
     78 	ohci_soft_ed_t *sc_ctrl_head;
     79 	ohci_soft_ed_t *sc_bulk_head;
     80 
     81 	LIST_HEAD(, ohci_soft_td) sc_hash_tds[OHCI_HASH_SIZE];
     82 
     83 	int sc_noport;
     84 	u_int8_t sc_addr;		/* device address */
     85 	u_int8_t sc_conf;		/* device configuration */
     86 
     87 	ohci_soft_ed_t *sc_freeeds;
     88 	ohci_soft_td_t *sc_freetds;
     89 
     90 	usbd_xfer_handle sc_intrxfer;
     91 
     92 	char sc_vendor[16];
     93 	int sc_id_vendor;
     94 
     95 	void *sc_powerhook;
     96 	device_ptr_t sc_child;
     97 } ohci_softc_t;
     98 
     99 usbd_status	ohci_init __P((ohci_softc_t *));
    100 int		ohci_intr __P((void *));
    101 int		ohci_detach __P((ohci_softc_t *, int));
    102 int		ohci_activate __P((device_ptr_t, enum devact));
    103 
    104 #define MS_TO_TICKS(ms) ((ms) * hz / 1000)
    105