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ohcivar.h revision 1.55
      1 /*	$NetBSD: ohcivar.h,v 1.55 2014/01/28 17:24:42 skrll 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 (lennart (at) augustsson.net) 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  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifndef _OHCIVAR_H_
     34 #define _OHCIVAR_H_
     35 
     36 #include <sys/pool.h>
     37 
     38 typedef struct ohci_soft_ed {
     39 	ohci_ed_t ed;
     40 	struct ohci_soft_ed *next;
     41 	ohci_physaddr_t physaddr;
     42 	usb_dma_t dma;
     43 	int offs;
     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 
     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 	usb_dma_t dma;
     55 	int offs;
     56 	LIST_ENTRY(ohci_soft_td) hnext;
     57 	usbd_xfer_handle xfer;
     58 	u_int16_t len;
     59 	u_int16_t flags;
     60 #define OHCI_CALL_DONE	0x0001
     61 #define OHCI_ADD_LEN	0x0002
     62 } ohci_soft_td_t;
     63 #define OHCI_STD_SIZE ((sizeof (struct ohci_soft_td) + OHCI_TD_ALIGN - 1) / OHCI_TD_ALIGN * OHCI_TD_ALIGN)
     64 #define OHCI_STD_CHUNK 128
     65 
     66 
     67 typedef struct ohci_soft_itd {
     68 	ohci_itd_t itd;
     69 	struct ohci_soft_itd *nextitd; /* mirrors nexttd in ITD */
     70 	struct ohci_soft_itd *dnext; /* next in done list */
     71 	ohci_physaddr_t physaddr;
     72 	usb_dma_t dma;
     73 	int offs;
     74 	LIST_ENTRY(ohci_soft_itd) hnext;
     75 	usbd_xfer_handle xfer;
     76 	u_int16_t flags;
     77 	char isdone;	/* used only when DIAGNOSTIC is defined */
     78 } ohci_soft_itd_t;
     79 #define OHCI_SITD_SIZE ((sizeof (struct ohci_soft_itd) + OHCI_ITD_ALIGN - 1) / OHCI_ITD_ALIGN * OHCI_ITD_ALIGN)
     80 #define OHCI_SITD_CHUNK 64
     81 
     82 
     83 #define OHCI_NO_EDS (2*OHCI_NO_INTRS-1)
     84 
     85 #define OHCI_HASH_SIZE 128
     86 
     87 typedef struct ohci_softc {
     88 	device_t sc_dev;
     89 	struct usbd_bus sc_bus;
     90 	bus_space_tag_t iot;
     91 	bus_space_handle_t ioh;
     92 	bus_size_t sc_size;
     93 
     94 	kmutex_t sc_lock;
     95 	kmutex_t sc_intr_lock;
     96 	void *sc_rhsc_si;
     97 
     98 	usb_dma_t sc_hccadma;
     99 	struct ohci_hcca *sc_hcca;
    100 	ohci_soft_ed_t *sc_eds[OHCI_NO_EDS];
    101 	u_int sc_bws[OHCI_NO_INTRS];
    102 
    103 	u_int32_t sc_eintrs;
    104 	ohci_soft_ed_t *sc_isoc_head;
    105 	ohci_soft_ed_t *sc_ctrl_head;
    106 	ohci_soft_ed_t *sc_bulk_head;
    107 
    108 	LIST_HEAD(, ohci_soft_td)  sc_hash_tds[OHCI_HASH_SIZE];
    109 	LIST_HEAD(, ohci_soft_itd) sc_hash_itds[OHCI_HASH_SIZE];
    110 
    111 	int sc_noport;
    112 	u_int8_t sc_addr;		/* device address */
    113 	u_int8_t sc_conf;		/* device configuration */
    114 
    115 	int sc_endian;
    116 #define	OHCI_LITTLE_ENDIAN	0	/* typical (uninitialized default) */
    117 #define	OHCI_BIG_ENDIAN		1	/* big endian OHCI? never seen it */
    118 #define	OHCI_HOST_ENDIAN	2	/* if OHCI always matches CPU */
    119 
    120 	int sc_flags;
    121 #define OHCIF_SUPERIO		0x0001
    122 
    123 	char sc_softwake;
    124 	kcondvar_t sc_softwake_cv;
    125 
    126 	ohci_soft_ed_t *sc_freeeds;
    127 	ohci_soft_td_t *sc_freetds;
    128 	ohci_soft_itd_t *sc_freeitds;
    129 
    130 	pool_cache_t sc_xferpool;	/* free xfer pool */
    131 
    132 	usbd_xfer_handle sc_intrxfer;
    133 
    134 	char sc_vendor[32];
    135 	int sc_id_vendor;
    136 
    137 	u_int32_t sc_control;		/* Preserved during suspend/standby */
    138 	u_int32_t sc_intre;
    139 
    140 	u_int sc_overrun_cnt;
    141 	struct timeval sc_overrun_ntc;
    142 
    143 	struct callout sc_tmo_rhsc;
    144 	device_t sc_child;
    145 	char sc_dying;
    146 	struct usb_dma_reserve sc_dma_reserve;
    147 } ohci_softc_t;
    148 
    149 struct ohci_xfer {
    150 	struct usbd_xfer xfer;
    151 	struct usb_task	abort_task;
    152 };
    153 
    154 usbd_status	ohci_init(ohci_softc_t *);
    155 int		ohci_intr(void *);
    156 int		ohci_detach(ohci_softc_t *, int);
    157 bool		ohci_shutdown(device_t, int);
    158 void		ohci_childdet(device_t, device_t);
    159 int		ohci_activate(device_t, enum devact);
    160 bool		ohci_resume(device_t, const pmf_qual_t *);
    161 bool		ohci_suspend(device_t, const pmf_qual_t *);
    162 
    163 #endif /* _OHCIVAR_H_ */
    164