wdc_pnpbus.c revision 1.1.2.2 1 1.1.2.2 yamt /* $NetBSD: wdc_pnpbus.c,v 1.1.2.2 2006/03/13 09:06:59 yamt Exp $ */
2 1.1.2.2 yamt
3 1.1.2.2 yamt /*-
4 1.1.2.2 yamt * Copyright (c) 1998, 2003 The NetBSD Foundation, Inc.
5 1.1.2.2 yamt * All rights reserved.
6 1.1.2.2 yamt *
7 1.1.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation
8 1.1.2.2 yamt * by Charles M. Hannum and by Onno van der Linden.
9 1.1.2.2 yamt *
10 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without
11 1.1.2.2 yamt * modification, are permitted provided that the following conditions
12 1.1.2.2 yamt * are met:
13 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright
14 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer.
15 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the
17 1.1.2.2 yamt * documentation and/or other materials provided with the distribution.
18 1.1.2.2 yamt * 3. All advertising materials mentioning features or use of this software
19 1.1.2.2 yamt * must display the following acknowledgement:
20 1.1.2.2 yamt * This product includes software developed by the NetBSD
21 1.1.2.2 yamt * Foundation, Inc. and its contributors.
22 1.1.2.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1.2.2 yamt * contributors may be used to endorse or promote products derived
24 1.1.2.2 yamt * from this software without specific prior written permission.
25 1.1.2.2 yamt *
26 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE.
37 1.1.2.2 yamt */
38 1.1.2.2 yamt
39 1.1.2.2 yamt #include <sys/cdefs.h>
40 1.1.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: wdc_pnpbus.c,v 1.1.2.2 2006/03/13 09:06:59 yamt Exp $");
41 1.1.2.2 yamt
42 1.1.2.2 yamt #include <sys/types.h>
43 1.1.2.2 yamt #include <sys/param.h>
44 1.1.2.2 yamt #include <sys/systm.h>
45 1.1.2.2 yamt #include <sys/device.h>
46 1.1.2.2 yamt #include <sys/malloc.h>
47 1.1.2.2 yamt
48 1.1.2.2 yamt #include <machine/bus.h>
49 1.1.2.2 yamt #include <machine/intr.h>
50 1.1.2.2 yamt #include <machine/isa_machdep.h>
51 1.1.2.2 yamt
52 1.1.2.2 yamt #include <dev/ata/atavar.h>
53 1.1.2.2 yamt #include <dev/ic/wdcvar.h>
54 1.1.2.2 yamt
55 1.1.2.2 yamt #include <prep/pnpbus/pnpbusvar.h>
56 1.1.2.2 yamt
57 1.1.2.2 yamt /* options passed via the 'flags' config keyword */
58 1.1.2.2 yamt #define WDC_OPTIONS_32 0x01 /* try to use 32bit data I/O */
59 1.1.2.2 yamt
60 1.1.2.2 yamt struct wdc_pnpbus_softc {
61 1.1.2.2 yamt struct wdc_softc sc_wdcdev;
62 1.1.2.2 yamt struct ata_channel *sc_chanlist[1];
63 1.1.2.2 yamt struct ata_channel sc_channel;
64 1.1.2.2 yamt struct ata_queue sc_chqueue;
65 1.1.2.2 yamt struct wdc_regs sc_wdc_regs;
66 1.1.2.2 yamt void *sc_ih;
67 1.1.2.2 yamt };
68 1.1.2.2 yamt
69 1.1.2.2 yamt static int wdc_pnpbus_probe(struct device *, struct cfdata *, void *);
70 1.1.2.2 yamt static void wdc_pnpbus_attach(struct device *, struct device *, void *);
71 1.1.2.2 yamt
72 1.1.2.2 yamt CFATTACH_DECL(wdc_pnpbus, sizeof(struct wdc_pnpbus_softc),
73 1.1.2.2 yamt wdc_pnpbus_probe, wdc_pnpbus_attach, NULL, NULL);
74 1.1.2.2 yamt
75 1.1.2.2 yamt static int
76 1.1.2.2 yamt wdc_pnpbus_probe(struct device *parent, struct cfdata *match, void *aux)
77 1.1.2.2 yamt {
78 1.1.2.2 yamt struct pnpbus_dev_attach_args *pna = aux;
79 1.1.2.2 yamt
80 1.1.2.2 yamt if (strcmp(pna->pna_devid, "PNP0600") == 0)
81 1.1.2.2 yamt return (1);
82 1.1.2.2 yamt
83 1.1.2.2 yamt return (0);
84 1.1.2.2 yamt }
85 1.1.2.2 yamt
86 1.1.2.2 yamt static void
87 1.1.2.2 yamt wdc_pnpbus_attach(struct device *parent, struct device *self, void *aux)
88 1.1.2.2 yamt {
89 1.1.2.2 yamt struct wdc_pnpbus_softc *sc = (void *)self;
90 1.1.2.2 yamt struct wdc_regs *wdr;
91 1.1.2.2 yamt struct pnpbus_dev_attach_args *pna = aux;
92 1.1.2.2 yamt int cmd_iobase, cmd_len, aux_iobase, aux_len, i;
93 1.1.2.2 yamt
94 1.1.2.2 yamt pnpbus_scan(pna, pna->pna_ppc_dev);
95 1.1.2.2 yamt
96 1.1.2.2 yamt pnpbus_print_devres(pna);
97 1.1.2.2 yamt
98 1.1.2.2 yamt sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs;
99 1.1.2.2 yamt
100 1.1.2.2 yamt wdr->cmd_iot = pna->pna_iot;
101 1.1.2.2 yamt wdr->ctl_iot = pna->pna_iot;
102 1.1.2.2 yamt pnpbus_getioport(&pna->pna_res, 0, &cmd_iobase, &cmd_len);
103 1.1.2.2 yamt pnpbus_getioport(&pna->pna_res, 1, &aux_iobase, &aux_len);
104 1.1.2.2 yamt
105 1.1.2.2 yamt if (pnpbus_io_map(&pna->pna_res, 0, &wdr->cmd_iot, &wdr->cmd_baseioh) ||
106 1.1.2.2 yamt pnpbus_io_map(&pna->pna_res, 1, &wdr->ctl_iot, &wdr->ctl_ioh)) {
107 1.1.2.2 yamt printf("%s: couldn't map registers\n",
108 1.1.2.2 yamt sc->sc_wdcdev.sc_atac.atac_dev.dv_xname);
109 1.1.2.2 yamt }
110 1.1.2.2 yamt
111 1.1.2.2 yamt for (i = 0; i < cmd_len; i++) {
112 1.1.2.2 yamt if (bus_space_subregion(wdr->cmd_iot,
113 1.1.2.2 yamt wdr->cmd_baseioh, i, i == 0 ? 4 : 1,
114 1.1.2.2 yamt &wdr->cmd_iohs[i]) != 0) {
115 1.1.2.2 yamt printf(": couldn't subregion registers\n");
116 1.1.2.2 yamt return;
117 1.1.2.2 yamt }
118 1.1.2.2 yamt }
119 1.1.2.2 yamt
120 1.1.2.2 yamt wdr->data32iot = wdr->cmd_iot;
121 1.1.2.2 yamt wdr->data32ioh = wdr->cmd_iohs[0];
122 1.1.2.2 yamt
123 1.1.2.2 yamt sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA;
124 1.1.2.2 yamt sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
125 1.1.2.2 yamt if (sc->sc_wdcdev.sc_atac.atac_dev.dv_cfdata->cf_flags & WDC_OPTIONS_32)
126 1.1.2.2 yamt sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
127 1.1.2.2 yamt
128 1.1.2.2 yamt sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
129 1.1.2.2 yamt sc->sc_chanlist[0] = &sc->sc_channel;
130 1.1.2.2 yamt sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist;
131 1.1.2.2 yamt sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
132 1.1.2.2 yamt sc->sc_channel.ch_channel = 0;
133 1.1.2.2 yamt sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
134 1.1.2.2 yamt sc->sc_channel.ch_queue = &sc->sc_chqueue;
135 1.1.2.2 yamt sc->sc_channel.ch_ndrive = 2;
136 1.1.2.2 yamt wdc_init_shadow_regs(&sc->sc_channel);
137 1.1.2.2 yamt
138 1.1.2.2 yamt sc->sc_ih = pnpbus_intr_establish(0, IPL_BIO, wdcintr, &sc->sc_channel,
139 1.1.2.2 yamt &pna->pna_res);
140 1.1.2.2 yamt
141 1.1.2.2 yamt wdcattach(&sc->sc_channel);
142 1.1.2.2 yamt }
143