| 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); |