wdc_pnpbus.c revision 1.3.2.2 1 1.3.2.2 elad /* $NetBSD: wdc_pnpbus.c,v 1.3.2.2 2006/04/19 02:33:38 elad Exp $ */
2 1.3.2.2 elad
3 1.3.2.2 elad /*-
4 1.3.2.2 elad * Copyright (c) 1998, 2003 The NetBSD Foundation, Inc.
5 1.3.2.2 elad * All rights reserved.
6 1.3.2.2 elad *
7 1.3.2.2 elad * This code is derived from software contributed to The NetBSD Foundation
8 1.3.2.2 elad * by Charles M. Hannum and by Onno van der Linden.
9 1.3.2.2 elad *
10 1.3.2.2 elad * Redistribution and use in source and binary forms, with or without
11 1.3.2.2 elad * modification, are permitted provided that the following conditions
12 1.3.2.2 elad * are met:
13 1.3.2.2 elad * 1. Redistributions of source code must retain the above copyright
14 1.3.2.2 elad * notice, this list of conditions and the following disclaimer.
15 1.3.2.2 elad * 2. Redistributions in binary form must reproduce the above copyright
16 1.3.2.2 elad * notice, this list of conditions and the following disclaimer in the
17 1.3.2.2 elad * documentation and/or other materials provided with the distribution.
18 1.3.2.2 elad * 3. All advertising materials mentioning features or use of this software
19 1.3.2.2 elad * must display the following acknowledgement:
20 1.3.2.2 elad * This product includes software developed by the NetBSD
21 1.3.2.2 elad * Foundation, Inc. and its contributors.
22 1.3.2.2 elad * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.3.2.2 elad * contributors may be used to endorse or promote products derived
24 1.3.2.2 elad * from this software without specific prior written permission.
25 1.3.2.2 elad *
26 1.3.2.2 elad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.3.2.2 elad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.3.2.2 elad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.3.2.2 elad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.3.2.2 elad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.3.2.2 elad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.3.2.2 elad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.3.2.2 elad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.3.2.2 elad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.3.2.2 elad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.3.2.2 elad * POSSIBILITY OF SUCH DAMAGE.
37 1.3.2.2 elad */
38 1.3.2.2 elad
39 1.3.2.2 elad #include <sys/cdefs.h>
40 1.3.2.2 elad __KERNEL_RCSID(0, "$NetBSD: wdc_pnpbus.c,v 1.3.2.2 2006/04/19 02:33:38 elad Exp $");
41 1.3.2.2 elad
42 1.3.2.2 elad #include <sys/types.h>
43 1.3.2.2 elad #include <sys/param.h>
44 1.3.2.2 elad #include <sys/systm.h>
45 1.3.2.2 elad #include <sys/device.h>
46 1.3.2.2 elad #include <sys/malloc.h>
47 1.3.2.2 elad
48 1.3.2.2 elad #include <machine/bus.h>
49 1.3.2.2 elad #include <machine/intr.h>
50 1.3.2.2 elad #include <machine/isa_machdep.h>
51 1.3.2.2 elad
52 1.3.2.2 elad #include <dev/ata/atavar.h>
53 1.3.2.2 elad #include <dev/ic/wdcvar.h>
54 1.3.2.2 elad
55 1.3.2.2 elad #include <prep/pnpbus/pnpbusvar.h>
56 1.3.2.2 elad
57 1.3.2.2 elad /* options passed via the 'flags' config keyword */
58 1.3.2.2 elad #define WDC_OPTIONS_32 0x01 /* try to use 32bit data I/O */
59 1.3.2.2 elad
60 1.3.2.2 elad struct wdc_pnpbus_softc {
61 1.3.2.2 elad struct wdc_softc sc_wdcdev;
62 1.3.2.2 elad struct ata_channel *sc_chanlist[1];
63 1.3.2.2 elad struct ata_channel sc_channel;
64 1.3.2.2 elad struct ata_queue sc_chqueue;
65 1.3.2.2 elad struct wdc_regs sc_wdc_regs;
66 1.3.2.2 elad void *sc_ih;
67 1.3.2.2 elad };
68 1.3.2.2 elad
69 1.3.2.2 elad static int wdc_pnpbus_probe(struct device *, struct cfdata *, void *);
70 1.3.2.2 elad static void wdc_pnpbus_attach(struct device *, struct device *, void *);
71 1.3.2.2 elad
72 1.3.2.2 elad CFATTACH_DECL(wdc_pnpbus, sizeof(struct wdc_pnpbus_softc),
73 1.3.2.2 elad wdc_pnpbus_probe, wdc_pnpbus_attach, NULL, NULL);
74 1.3.2.2 elad
75 1.3.2.2 elad static int
76 1.3.2.2 elad wdc_pnpbus_probe(struct device *parent, struct cfdata *match, void *aux)
77 1.3.2.2 elad {
78 1.3.2.2 elad struct pnpbus_dev_attach_args *pna = aux;
79 1.3.2.2 elad int ret = 0;
80 1.3.2.2 elad
81 1.3.2.2 elad if (strcmp(pna->pna_devid, "PNP0600") == 0)
82 1.3.2.2 elad ret = 1;
83 1.3.2.2 elad
84 1.3.2.2 elad if (ret)
85 1.3.2.2 elad pnpbus_scan(pna, pna->pna_ppc_dev);
86 1.3.2.2 elad
87 1.3.2.2 elad return ret;
88 1.3.2.2 elad }
89 1.3.2.2 elad
90 1.3.2.2 elad static void
91 1.3.2.2 elad wdc_pnpbus_attach(struct device *parent, struct device *self, void *aux)
92 1.3.2.2 elad {
93 1.3.2.2 elad struct wdc_pnpbus_softc *sc = (void *)self;
94 1.3.2.2 elad struct wdc_regs *wdr;
95 1.3.2.2 elad struct pnpbus_dev_attach_args *pna = aux;
96 1.3.2.2 elad int cmd_iobase, cmd_len, aux_iobase, aux_len, i;
97 1.3.2.2 elad
98 1.3.2.2 elad sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs;
99 1.3.2.2 elad
100 1.3.2.2 elad wdr->cmd_iot = pna->pna_iot;
101 1.3.2.2 elad wdr->ctl_iot = pna->pna_iot;
102 1.3.2.2 elad pnpbus_getioport(&pna->pna_res, 0, &cmd_iobase, &cmd_len);
103 1.3.2.2 elad pnpbus_getioport(&pna->pna_res, 1, &aux_iobase, &aux_len);
104 1.3.2.2 elad
105 1.3.2.2 elad if (pnpbus_io_map(&pna->pna_res, 0, &wdr->cmd_iot, &wdr->cmd_baseioh) ||
106 1.3.2.2 elad pnpbus_io_map(&pna->pna_res, 1, &wdr->ctl_iot, &wdr->ctl_ioh)) {
107 1.3.2.2 elad printf("%s: couldn't map registers\n",
108 1.3.2.2 elad sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
109 1.3.2.2 elad }
110 1.3.2.2 elad
111 1.3.2.2 elad for (i = 0; i < cmd_len; i++) {
112 1.3.2.2 elad if (bus_space_subregion(wdr->cmd_iot,
113 1.3.2.2 elad wdr->cmd_baseioh, i, i == 0 ? 4 : 1,
114 1.3.2.2 elad &wdr->cmd_iohs[i]) != 0) {
115 1.3.2.2 elad printf(": couldn't subregion registers\n");
116 1.3.2.2 elad return;
117 1.3.2.2 elad }
118 1.3.2.2 elad }
119 1.3.2.2 elad
120 1.3.2.2 elad wdr->data32iot = wdr->cmd_iot;
121 1.3.2.2 elad wdr->data32ioh = wdr->cmd_iohs[0];
122 1.3.2.2 elad
123 1.3.2.2 elad sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA;
124 1.3.2.2 elad sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
125 1.3.2.2 elad if (device_cfdata(&sc->sc_wdcdev.sc_atac.atac_dev)->cf_flags &
126 1.3.2.2 elad WDC_OPTIONS_32)
127 1.3.2.2 elad sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
128 1.3.2.2 elad
129 1.3.2.2 elad sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
130 1.3.2.2 elad sc->sc_chanlist[0] = &sc->sc_channel;
131 1.3.2.2 elad sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist;
132 1.3.2.2 elad sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
133 1.3.2.2 elad sc->sc_channel.ch_channel = 0;
134 1.3.2.2 elad sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
135 1.3.2.2 elad sc->sc_channel.ch_queue = &sc->sc_chqueue;
136 1.3.2.2 elad sc->sc_channel.ch_ndrive = 2;
137 1.3.2.2 elad wdc_init_shadow_regs(&sc->sc_channel);
138 1.3.2.2 elad
139 1.3.2.2 elad sc->sc_ih = pnpbus_intr_establish(0, IPL_BIO, wdcintr, &sc->sc_channel,
140 1.3.2.2 elad &pna->pna_res);
141 1.3.2.2 elad
142 1.3.2.2 elad wdcattach(&sc->sc_channel);
143 1.3.2.2 elad }
144