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ohcivar.h revision 1.6 
      1 /*	$NetBSD: ohcivar.h,v 1.6 1999/08/14 14:49:31 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_ED_CHUNK 256
     46 
     47 typedef struct ohci_soft_td {
     48 	ohci_td_t *td;
     49 	struct ohci_soft_td *nexttd; /* mirrors nexttd in TD */
     50 	struct ohci_soft_td *dnext; /* next in done list */
     51 	ohci_physaddr_t physaddr;
     52 	LIST_ENTRY(ohci_soft_td) hnext;
     53 	/*ohci_soft_ed_t *sed;*/
     54 	usbd_request_handle reqh;
     55 	u_int16_t len;
     56 	u_int16_t flags;
     57 #define OHCI_CALL_DONE	0x0001
     58 #define OHCI_SET_LEN	0x0002
     59 } ohci_soft_td_t;
     60 #define OHCI_TD_CHUNK 256
     61 
     62 #define OHCI_NO_EDS (2*OHCI_NO_INTRS-1)
     63 
     64 #define OHCI_HASH_SIZE 128
     65 
     66 typedef struct ohci_softc {
     67 	struct usbd_bus sc_bus;		/* base device */
     68 	bus_space_tag_t iot;
     69 	bus_space_handle_t ioh;
     70 #if defined(__NetBSD__)
     71 	void *sc_ih;			/* interrupt vectoring */
     72 
     73 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
     74 	/* XXX should keep track of all DMA memory */
     75 #endif /* __NetBSD__ */
     76 
     77 	usb_dma_t sc_hccadma;
     78 	struct ohci_hcca *sc_hcca;
     79 	ohci_soft_ed_t *sc_eds[OHCI_NO_EDS];
     80 	u_int sc_bws[OHCI_NO_INTRS];
     81 
     82 	u_int32_t sc_eintrs;
     83 	ohci_soft_ed_t *sc_ctrl_head;
     84 	ohci_soft_ed_t *sc_bulk_head;
     85 
     86 	LIST_HEAD(, ohci_soft_td) sc_hash_tds[OHCI_HASH_SIZE];
     87 
     88 	int sc_noport;
     89 	u_int8_t sc_addr;		/* device address */
     90 	u_int8_t sc_conf;		/* device configuration */
     91 
     92 	ohci_soft_ed_t *sc_freeeds;
     93 	ohci_soft_td_t *sc_freetds;
     94 
     95 	usbd_request_handle sc_intrreqh;
     96 
     97 	int sc_intrs;
     98 
     99 	char sc_vendor[16];
    100 	int sc_id_vendor;
    101 } ohci_softc_t;
    102 
    103 usbd_status	ohci_init __P((ohci_softc_t *));
    104 int		ohci_intr __P((void *));
    105 
    106 #define MS_TO_TICKS(ms) ((ms) * hz / 1000)
    107 
    108 #ifdef USB_DEBUG
    109 #define DPRINTF(x)	if (ohcidebug) printf x
    110 #define DPRINTFN(n,x)	if (ohcidebug>(n)) printf x
    111 extern int ohcidebug;
    112 #else
    113 #define DPRINTF(x)
    114 #define DPRINTFN(n,x)
    115 #endif
    116