1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2003 Hidetoshi SHimokawa 5 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi SHimokawa 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the acknowledgement as bellow: 18 * 19 * This product includes software developed by K. Kobayashi and H. Shimokawa 20 * 21 * 4. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 * 38 */ 39 40 #include <sys/taskqueue.h> 41 42 typedef struct fwohci_softc { 43 struct firewire_comm fc; 44 bus_space_tag_t bst; 45 bus_space_handle_t bsh; 46 void *ih; 47 struct resource *bsr; 48 struct resource *irq_res; 49 struct fwohci_dbch { 50 u_int ndb; 51 u_int ndesc; 52 STAILQ_HEAD(, fwohcidb_tr) db_trq; 53 struct fwohcidb_tr *top, *bottom, *pdb_tr; 54 struct fw_xferq xferq; 55 int flags; 56 #define FWOHCI_DBCH_INIT (1<<0) 57 #define FWOHCI_DBCH_FULL (1<<1) 58 /* used only in receive context */ 59 int buf_offset; /* signed */ 60 #define FWOHCI_DBCH_MAX_PAGES 32 61 /* Context programs buffer */ 62 struct fwdma_alloc_multi *am; 63 bus_dma_tag_t dmat; 64 } arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH]; 65 u_int maxrec; 66 uint32_t *sid_buf; 67 struct fwdma_alloc sid_dma; 68 struct fwdma_alloc crom_dma; 69 struct fwdma_alloc dummy_dma; 70 uint32_t intmask, irstat, itstat; 71 uint32_t intstat; 72 struct task fwohci_task_busreset; 73 struct task fwohci_task_sid; 74 struct task fwohci_task_dma; 75 int cycle_lost; 76 } fwohci_softc_t; 77 78 void fwohci_intr (void *arg); 79 int fwohci_init (struct fwohci_softc *, device_t); 80 void fwohci_poll (struct firewire_comm *, int, int); 81 void fwohci_reset (struct fwohci_softc *, device_t); 82 int fwohci_detach (struct fwohci_softc *, device_t); 83 int fwohci_resume (struct fwohci_softc *, device_t); 84 int fwohci_stop (struct fwohci_softc *, device_t dev); 85