wdc_pnpbus.c revision 1.5.2.4       1  1.5.2.4  yamt /*	$NetBSD: wdc_pnpbus.c,v 1.5.2.4 2008/03/24 09:38:39 yamt Exp $	*/
      2  1.5.2.2  yamt 
      3  1.5.2.2  yamt /*-
      4  1.5.2.2  yamt  * Copyright (c) 1998, 2003 The NetBSD Foundation, Inc.
      5  1.5.2.2  yamt  * All rights reserved.
      6  1.5.2.2  yamt  *
      7  1.5.2.2  yamt  * This code is derived from software contributed to The NetBSD Foundation
      8  1.5.2.2  yamt  * by Charles M. Hannum and by Onno van der Linden.
      9  1.5.2.2  yamt  *
     10  1.5.2.2  yamt  * Redistribution and use in source and binary forms, with or without
     11  1.5.2.2  yamt  * modification, are permitted provided that the following conditions
     12  1.5.2.2  yamt  * are met:
     13  1.5.2.2  yamt  * 1. Redistributions of source code must retain the above copyright
     14  1.5.2.2  yamt  *    notice, this list of conditions and the following disclaimer.
     15  1.5.2.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.5.2.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     17  1.5.2.2  yamt  *    documentation and/or other materials provided with the distribution.
     18  1.5.2.2  yamt  * 3. All advertising materials mentioning features or use of this software
     19  1.5.2.2  yamt  *    must display the following acknowledgement:
     20  1.5.2.2  yamt  *        This product includes software developed by the NetBSD
     21  1.5.2.2  yamt  *        Foundation, Inc. and its contributors.
     22  1.5.2.2  yamt  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.5.2.2  yamt  *    contributors may be used to endorse or promote products derived
     24  1.5.2.2  yamt  *    from this software without specific prior written permission.
     25  1.5.2.2  yamt  *
     26  1.5.2.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.5.2.2  yamt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.5.2.2  yamt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.5.2.2  yamt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.5.2.2  yamt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.5.2.2  yamt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.5.2.2  yamt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.5.2.2  yamt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.5.2.2  yamt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.5.2.2  yamt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.5.2.2  yamt  * POSSIBILITY OF SUCH DAMAGE.
     37  1.5.2.2  yamt  */
     38  1.5.2.2  yamt 
     39  1.5.2.2  yamt #include <sys/cdefs.h>
     40  1.5.2.4  yamt __KERNEL_RCSID(0, "$NetBSD: wdc_pnpbus.c,v 1.5.2.4 2008/03/24 09:38:39 yamt Exp $");
     41  1.5.2.2  yamt 
     42  1.5.2.2  yamt #include <sys/types.h>
     43  1.5.2.2  yamt #include <sys/param.h>
     44  1.5.2.2  yamt #include <sys/systm.h>
     45  1.5.2.2  yamt #include <sys/device.h>
     46  1.5.2.2  yamt #include <sys/malloc.h>
     47  1.5.2.2  yamt 
     48  1.5.2.2  yamt #include <machine/bus.h>
     49  1.5.2.2  yamt #include <machine/intr.h>
     50  1.5.2.2  yamt #include <machine/isa_machdep.h>
     51  1.5.2.2  yamt #include <machine/residual.h>
     52  1.5.2.2  yamt 
     53  1.5.2.2  yamt #include <dev/ata/atavar.h>
     54  1.5.2.2  yamt #include <dev/ic/wdcvar.h>
     55  1.5.2.2  yamt 
     56  1.5.2.2  yamt #include <prep/pnpbus/pnpbusvar.h>
     57  1.5.2.2  yamt 
     58  1.5.2.2  yamt /* options passed via the 'flags' config keyword */
     59  1.5.2.2  yamt #define WDC_OPTIONS_32	0x01 /* try to use 32bit data I/O */
     60  1.5.2.2  yamt 
     61  1.5.2.2  yamt struct wdc_pnpbus_softc {
     62  1.5.2.2  yamt 	struct	wdc_softc sc_wdcdev;
     63  1.5.2.2  yamt 	struct	ata_channel *sc_chanlist[1];
     64  1.5.2.2  yamt 	struct	ata_channel sc_channel;
     65  1.5.2.2  yamt 	struct	ata_queue sc_chqueue;
     66  1.5.2.2  yamt 	struct	wdc_regs sc_wdc_regs;
     67  1.5.2.2  yamt 	void	*sc_ih;
     68  1.5.2.2  yamt };
     69  1.5.2.2  yamt 
     70  1.5.2.4  yamt static int	wdc_pnpbus_probe(device_t, cfdata_t, void *);
     71  1.5.2.4  yamt static void	wdc_pnpbus_attach(device_t, device_t, void *);
     72  1.5.2.2  yamt 
     73  1.5.2.4  yamt CFATTACH_DECL_NEW(wdc_pnpbus, sizeof(struct wdc_pnpbus_softc),
     74  1.5.2.2  yamt     wdc_pnpbus_probe, wdc_pnpbus_attach, NULL, NULL);
     75  1.5.2.2  yamt 
     76  1.5.2.2  yamt static int
     77  1.5.2.4  yamt wdc_pnpbus_probe(device_t parent, cfdata_t match, void *aux)
     78  1.5.2.2  yamt {
     79  1.5.2.2  yamt 	struct pnpbus_dev_attach_args *pna = aux;
     80  1.5.2.2  yamt 	int ret = 0;
     81  1.5.2.2  yamt 
     82  1.5.2.2  yamt 	/* XXX special case the Powerstack E1, it has wdc builtin on 14E
     83  1.5.2.2  yamt 	 * while the siop is builtin on 14L.  No idea how this works at all.
     84  1.5.2.2  yamt 	 */
     85  1.5.2.2  yamt 	if (strcmp(res->VitalProductData.PrintableModel, "(e1)") == 0)
     86  1.5.2.2  yamt 		return ret;
     87  1.5.2.2  yamt 
     88  1.5.2.3  yamt 	/* XXX special case the MTX604/mcp750.  The onboard IDE is actually
     89  1.5.2.3  yamt 	 * a PCIIDE chip.
     90  1.5.2.3  yamt 	 */
     91  1.5.2.3  yamt 
     92  1.5.2.3  yamt 	if (strcmp(res->VitalProductData.PrintableModel,
     93  1.5.2.3  yamt 	    "000000000000000000000000000(e2)") == 0)
     94  1.5.2.3  yamt 		return ret;
     95  1.5.2.3  yamt 
     96  1.5.2.2  yamt 	if (strcmp(pna->pna_devid, "PNP0600") == 0)
     97  1.5.2.2  yamt 		ret = 1;
     98  1.5.2.2  yamt 
     99  1.5.2.2  yamt 	if (ret)
    100  1.5.2.2  yamt 		pnpbus_scan(pna, pna->pna_ppc_dev);
    101  1.5.2.2  yamt 
    102  1.5.2.2  yamt 	return ret;
    103  1.5.2.2  yamt }
    104  1.5.2.2  yamt 
    105  1.5.2.2  yamt static void
    106  1.5.2.4  yamt wdc_pnpbus_attach(device_t parent, device_t self, void *aux)
    107  1.5.2.2  yamt {
    108  1.5.2.4  yamt 	struct wdc_pnpbus_softc *sc = device_private(self);
    109  1.5.2.2  yamt 	struct wdc_regs *wdr;
    110  1.5.2.2  yamt 	struct pnpbus_dev_attach_args *pna = aux;
    111  1.5.2.2  yamt 	int cmd_iobase, cmd_len, aux_iobase, aux_len, i;
    112  1.5.2.2  yamt 
    113  1.5.2.4  yamt 	sc->sc_wdcdev.sc_atac.atac_dev = self;
    114  1.5.2.2  yamt 	sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs;
    115  1.5.2.2  yamt 
    116  1.5.2.2  yamt 	wdr->cmd_iot = pna->pna_iot;
    117  1.5.2.2  yamt 	wdr->ctl_iot = pna->pna_iot;
    118  1.5.2.2  yamt 	pnpbus_getioport(&pna->pna_res, 0, &cmd_iobase, &cmd_len);
    119  1.5.2.2  yamt 	pnpbus_getioport(&pna->pna_res, 1, &aux_iobase, &aux_len);
    120  1.5.2.2  yamt 
    121  1.5.2.2  yamt 	if (pnpbus_io_map(&pna->pna_res, 0, &wdr->cmd_iot, &wdr->cmd_baseioh) ||
    122  1.5.2.2  yamt 	    pnpbus_io_map(&pna->pna_res, 1, &wdr->ctl_iot, &wdr->ctl_ioh)) {
    123  1.5.2.4  yamt 		aprint_error_dev(self, "couldn't map registers\n");
    124  1.5.2.2  yamt 	}
    125  1.5.2.2  yamt 
    126  1.5.2.2  yamt 	for (i = 0; i < cmd_len; i++) {
    127  1.5.2.2  yamt 		if (bus_space_subregion(wdr->cmd_iot,
    128  1.5.2.2  yamt 		      wdr->cmd_baseioh, i, i == 0 ? 4 : 1,
    129  1.5.2.2  yamt 		      &wdr->cmd_iohs[i]) != 0) {
    130  1.5.2.2  yamt 			aprint_error(": couldn't subregion registers\n");
    131  1.5.2.2  yamt 			return;
    132  1.5.2.2  yamt 		}
    133  1.5.2.2  yamt 	}
    134  1.5.2.2  yamt 
    135  1.5.2.2  yamt 	wdr->data32iot = wdr->cmd_iot;
    136  1.5.2.2  yamt 	wdr->data32ioh = wdr->cmd_iohs[0];
    137  1.5.2.2  yamt 
    138  1.5.2.2  yamt 	sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA;
    139  1.5.2.2  yamt 	sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
    140  1.5.2.4  yamt 	if (device_cfdata(sc->sc_wdcdev.sc_atac.atac_dev)->cf_flags &
    141  1.5.2.2  yamt 	    WDC_OPTIONS_32)
    142  1.5.2.2  yamt 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
    143  1.5.2.2  yamt 
    144  1.5.2.2  yamt 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
    145  1.5.2.2  yamt 	sc->sc_chanlist[0] = &sc->sc_channel;
    146  1.5.2.2  yamt 	sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist;
    147  1.5.2.2  yamt 	sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
    148  1.5.2.2  yamt 	sc->sc_channel.ch_channel = 0;
    149  1.5.2.2  yamt 	sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
    150  1.5.2.2  yamt 	sc->sc_channel.ch_queue = &sc->sc_chqueue;
    151  1.5.2.2  yamt 	sc->sc_channel.ch_ndrive = 2;
    152  1.5.2.2  yamt 	wdc_init_shadow_regs(&sc->sc_channel);
    153  1.5.2.2  yamt 
    154  1.5.2.2  yamt 	sc->sc_ih = pnpbus_intr_establish(0, IPL_BIO, wdcintr, &sc->sc_channel,
    155  1.5.2.2  yamt 	    &pna->pna_res);
    156  1.5.2.2  yamt 
    157  1.5.2.2  yamt 	aprint_normal("\n");
    158  1.5.2.2  yamt 	wdcattach(&sc->sc_channel);
    159  1.5.2.2  yamt }
    160