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ohcivar.h revision 1.1 
      1 /*	$NetBSD: ohcivar.h,v 1.1 1998/07/12 19:51:59 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_dma {
     40 	bus_dmamap_t map;
     41         caddr_t kaddr;
     42         bus_dma_segment_t segs[1];
     43         int nsegs;
     44         size_t size;
     45 	struct ohci_dma *next;
     46 } ohci_dma_t;
     47 #define DMAADDR(dma) ((dma)->segs[0].ds_addr)
     48 #define KERNADDR(dma) ((void *)((dma)->kaddr))
     49 
     50 typedef struct ohci_soft_ed {
     51 	ohci_ed_t *ed;
     52 	struct ohci_soft_ed *next;
     53 	ohci_physaddr_t physaddr;
     54 } ohci_soft_ed_t;
     55 #define OHCI_ED_CHUNK 256
     56 
     57 typedef struct ohci_soft_td {
     58 	ohci_td_t *td;
     59 	struct ohci_soft_td *nexttd; /* mirrors nexttd in TD */
     60 	struct ohci_soft_td *dnext; /* next in done list */
     61 	ohci_physaddr_t physaddr;
     62 	LIST_ENTRY(ohci_soft_td) hnext;
     63 	/*ohci_soft_ed_t *sed;*/
     64 	usbd_request_handle reqh;
     65 	u_int16_t len;
     66 } ohci_soft_td_t;
     67 #define OHCI_TD_CHUNK 256
     68 
     69 #define OHCI_NO_EDS (2*OHCI_NO_INTRS-1)
     70 
     71 #define OHCI_HASH_SIZE 128
     72 
     73 typedef struct ohci_softc {
     74 	struct usbd_bus sc_bus;		/* base device */
     75 	void *sc_ih;			/* interrupt vectoring */
     76 	bus_space_tag_t iot;
     77 	bus_space_handle_t ioh;
     78 
     79 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
     80 	/* XXX should keep track of all DMA memory */
     81 
     82 	ohci_dma_t sc_hccadma;
     83 	struct ohci_hcca *sc_hcca;
     84 	ohci_soft_ed_t *sc_eds[OHCI_NO_EDS];
     85 	u_int sc_bws[OHCI_NO_INTRS];
     86 
     87 	u_int32_t sc_eintrs;
     88 	ohci_soft_ed_t *sc_ctrl_head;
     89 	ohci_soft_ed_t *sc_bulk_head;
     90 
     91 	LIST_HEAD(, ohci_soft_td) sc_hash_tds[OHCI_HASH_SIZE];
     92 
     93 	int sc_noport;
     94 	u_int8_t sc_addr;		/* device address */
     95 	u_int8_t sc_conf;		/* device configuration */
     96 
     97 	ohci_soft_ed_t *sc_freeeds;
     98 	ohci_soft_td_t *sc_freetds;
     99 
    100 	usbd_request_handle sc_intrreqh;
    101 
    102 	int sc_intrs;
    103 	char sc_vendor[16];
    104 } ohci_softc_t;
    105 
    106 usbd_status	ohci_init __P((ohci_softc_t *));
    107 int		ohci_intr __P((void *));
    108 
    109 #define MS_TO_TICKS(ms) ((ms) * hz / 1000)
    110 
    111 #ifdef USB_DEBUG
    112 #define DPRINTF(x)	if (ohcidebug) printf x
    113 #define DPRINTFN(n,x)	if (ohcidebug>(n)) printf x
    114 int ohcidebug;
    115 #else
    116 #define DPRINTF(x)
    117 #define DPRINTFN(n,x)
    118 #endif
    119