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 * 37 */ 38 39 #include <sys/taskqueue.h> 40 41 typedef struct fwohci_softc { 42 struct firewire_comm fc; 43 bus_space_tag_t bst; 44 bus_space_handle_t bsh; 45 void *ih; 46 struct resource *bsr; 47 struct resource *irq_res; 48 struct fwohci_dbch { 49 u_int ndb; 50 u_int ndesc; 51 STAILQ_HEAD(, fwohcidb_tr) db_trq; 52 struct fwohcidb_tr *top, *bottom, *pdb_tr; 53 struct fw_xferq xferq; 54 int flags; 55 #define FWOHCI_DBCH_INIT (1<<0) 56 #define FWOHCI_DBCH_FULL (1<<1) 57 /* used only in receive context */ 58 int buf_offset; /* signed */ 59 #define FWOHCI_DBCH_MAX_PAGES 32 60 /* Context programs buffer */ 61 struct fwdma_alloc_multi *am; 62 bus_dma_tag_t dmat; 63 } arrq, arrs, atrq, atrs, it[OHCI_DMA_ITCH], ir[OHCI_DMA_IRCH]; 64 u_int maxrec; 65 uint32_t *sid_buf; 66 struct fwdma_alloc sid_dma; 67 struct fwdma_alloc crom_dma; 68 struct fwdma_alloc dummy_dma; 69 uint32_t intmask, irstat, itstat; 70 uint32_t intstat; 71 struct task fwohci_task_busreset; 72 struct task fwohci_task_sid; 73 struct task fwohci_task_dma; 74 int cycle_lost; 75 } fwohci_softc_t; 76 77 void fwohci_intr (void *arg); 78 int fwohci_init (struct fwohci_softc *, device_t); 79 void fwohci_poll (struct firewire_comm *, int, int); 80 void fwohci_reset (struct fwohci_softc *, device_t); 81 int fwohci_detach (struct fwohci_softc *, device_t); 82 int fwohci_resume (struct fwohci_softc *, device_t); 83 int fwohci_stop (struct fwohci_softc *, device_t dev); 84