xref: /netbsd/sys/dev/pci/pciidevar.h (revision bf9ec67e)
1 /*	$NetBSD: pciidevar.h,v 1.7 2001/06/08 04:48:58 simonb Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Christopher G. Demetriou
17  *	for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * PCI IDE driver exported software structures.
35  *
36  * Author: Christopher G. Demetriou, March 2, 1998.
37  */
38 
39 #include <dev/ata/atavar.h>
40 #include <dev/ic/wdcreg.h>
41 #include <dev/ic/wdcvar.h>
42 
43 struct device;
44 
45 struct pciide_softc {
46 	struct wdc_softc	sc_wdcdev;	/* common wdc definitions */
47 	pci_chipset_tag_t	sc_pc;		/* PCI registers info */
48 	pcitag_t		sc_tag;
49 	void			*sc_pci_ih;	/* PCI interrupt handle */
50 	int			sc_dma_ok;	/* bus-master DMA info */
51 	bus_space_tag_t		sc_dma_iot;
52 	bus_space_handle_t	sc_dma_ioh;
53 	bus_dma_tag_t		sc_dmat;
54 
55 	/* For Cypress */
56 	const struct cy82c693_handle *sc_cy_handle;
57 	int sc_cy_compatchan;
58 
59 	/* Chip description */
60 	const struct pciide_product_desc *sc_pp;
61 	/* common definitions */
62 	struct channel_softc *wdc_chanarray[PCIIDE_NUM_CHANNELS];
63 	/* internal bookkeeping */
64 	struct pciide_channel {			/* per-channel data */
65 		struct channel_softc wdc_channel; /* generic part */
66 		char		*name;
67 		int		hw_ok;	/* hardware mapped & OK? */
68 		int		compat;	/* is it compat? */
69 		void		*ih;	/* compat or pci handle */
70 		bus_space_handle_t ctl_baseioh; /* ctrl regs blk, native mode */
71 		/* DMA tables and DMA map for xfer, for each drive */
72 		struct pciide_dma_maps {
73 			bus_dmamap_t    dmamap_table;
74 			struct idedma_table *dma_table;
75 			bus_dmamap_t    dmamap_xfer;
76 			int dma_flags;
77 		} dma_maps[2];
78 	} pciide_channels[PCIIDE_NUM_CHANNELS];
79 };
80 
81 /*
82  * Functions defined by machine-dependent code.
83  */
84 
85 /* Attach compat interrupt handler, returning handle or NULL if failed. */
86 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
87 void	*pciide_machdep_compat_intr_establish __P((struct device *,
88 	    struct pci_attach_args *, int, int (*)(void *), void *));
89 #endif
90