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fwohcivar.h (3149B) - Raw


      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);