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ohcivar.h revision 1.2 
      1 /*	$NetBSD: ohcivar.h,v 1.2 1998/07/24 21:09:07 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Author: Lennart Augustsson <augustss (at) carlstedt.se>
      8  *         Carlstedt Research & Technology
      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 ohci_soft_ed {
     40 	ohci_ed_t *ed;
     41 	struct ohci_soft_ed *next;
     42 	ohci_physaddr_t physaddr;
     43 } ohci_soft_ed_t;
     44 #define OHCI_ED_CHUNK 256
     45 
     46 typedef struct ohci_soft_td {
     47 	ohci_td_t *td;
     48 	struct ohci_soft_td *nexttd; /* mirrors nexttd in TD */
     49 	struct ohci_soft_td *dnext; /* next in done list */
     50 	ohci_physaddr_t physaddr;
     51 	LIST_ENTRY(ohci_soft_td) hnext;
     52 	/*ohci_soft_ed_t *sed;*/
     53 	usbd_request_handle reqh;
     54 	u_int16_t len;
     55 } ohci_soft_td_t;
     56 #define OHCI_TD_CHUNK 256
     57 
     58 #define OHCI_NO_EDS (2*OHCI_NO_INTRS-1)
     59 
     60 #define OHCI_HASH_SIZE 128
     61 
     62 typedef struct ohci_softc {
     63 	struct usbd_bus sc_bus;		/* base device */
     64 	void *sc_ih;			/* interrupt vectoring */
     65 	bus_space_tag_t iot;
     66 	bus_space_handle_t ioh;
     67 
     68 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
     69 	/* XXX should keep track of all DMA memory */
     70 
     71 	usb_dma_t sc_hccadma;
     72 	struct ohci_hcca *sc_hcca;
     73 	ohci_soft_ed_t *sc_eds[OHCI_NO_EDS];
     74 	u_int sc_bws[OHCI_NO_INTRS];
     75 
     76 	u_int32_t sc_eintrs;
     77 	ohci_soft_ed_t *sc_ctrl_head;
     78 	ohci_soft_ed_t *sc_bulk_head;
     79 
     80 	LIST_HEAD(, ohci_soft_td) sc_hash_tds[OHCI_HASH_SIZE];
     81 
     82 	int sc_noport;
     83 	u_int8_t sc_addr;		/* device address */
     84 	u_int8_t sc_conf;		/* device configuration */
     85 
     86 	ohci_soft_ed_t *sc_freeeds;
     87 	ohci_soft_td_t *sc_freetds;
     88 
     89 	usbd_request_handle sc_intrreqh;
     90 
     91 	int sc_intrs;
     92 	char sc_vendor[16];
     93 } ohci_softc_t;
     94 
     95 usbd_status	ohci_init __P((ohci_softc_t *));
     96 int		ohci_intr __P((void *));
     97 
     98 #define MS_TO_TICKS(ms) ((ms) * hz / 1000)
     99 
    100 #ifdef USB_DEBUG
    101 #define DPRINTF(x)	if (ohcidebug) printf x
    102 #define DPRINTFN(n,x)	if (ohcidebug>(n)) printf x
    103 int ohcidebug;
    104 #else
    105 #define DPRINTF(x)
    106 #define DPRINTFN(n,x)
    107 #endif
    108