1/*	$NetBSD: adv_isa.c,v 1.21 2016/07/07 06:55:41 msaitoh Exp $	*/
2
3/*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
5 *
6 * Author: Baldassare Dante Profeta <dante@mclink.it>
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 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29/*
30 * Device probe and attach routines for the following
31 * Advanced Systems Inc. SCSI controllers:
32 *
33 *    Connectivity Products:
34 *	ABP510/5150 - Bus-Master ISA (240 CDB) (Footnote 1)
35 *      ABP5140 - Bus-Master ISA (16 CDB) (Footnote 1) (Footnote 2)
36 *      ABP5142 - Bus-Master ISA with floppy (16 CDB) (Footnote 3)
37 *
38 *   Single Channel Products:
39 *	ABP542 - Bus-Master ISA with floppy (240 CDB)
40 *	ABP842 - Bus-Master VL (240 CDB)
41 *
42 *   Dual Channel Products:
43 *	ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel)
44 *
45 *   Footnotes:
46 *     1. This board has been shipped by HP with the 4020i CD-R drive.
47 *        The board has no BIOS so it cannot control a boot device, but
48 *        it can control any secondary SCSI device.
49 *     2. This board has been sold by SIIG as the i540 SpeedMaster.
50 *     3. This board has been sold by SIIG as the i542 SpeedMaster.
51 */
52
53#include <sys/cdefs.h>
54__KERNEL_RCSID(0, "$NetBSD: adv_isa.c,v 1.21 2016/07/07 06:55:41 msaitoh Exp $");
55
56#include <sys/param.h>
57#include <sys/systm.h>
58#include <sys/kernel.h>
59#include <sys/errno.h>
60#include <sys/ioctl.h>
61#include <sys/device.h>
62#include <sys/buf.h>
63#include <sys/proc.h>
64#include <sys/queue.h>
65
66#include <sys/bus.h>
67
68#include <dev/scsipi/scsi_all.h>
69#include <dev/scsipi/scsipi_all.h>
70#include <dev/scsipi/scsiconf.h>
71
72#include <dev/isa/isavar.h>
73
74#include <dev/ic/advlib.h>
75#include <dev/ic/adv.h>
76
77
78/* Possible port addresses an ISA or VL adapter can live at */
79static int asc_ioport[ASC_IOADR_TABLE_MAX_IX] =
80{
81	0x100,
82	ASC_IOADR_1,	/* First selection in BIOS setup */
83	0x120,
84	ASC_IOADR_2,	/* Second selection in BIOS setup */
85	0x140,
86	ASC_IOADR_3,	/* Third selection in BIOS setup */
87	ASC_IOADR_4,	/* Fourth selection in BIOS setup */
88	ASC_IOADR_5,	/* Fifth selection in BIOS setup */
89	ASC_IOADR_6,	/* Sixth selection in BIOS setup */
90	ASC_IOADR_7,	/* Seventh selection in BIOS setup */
91	ASC_IOADR_8	/* Eighth and default selection in BIOS setup */
92};
93
94/******************************************************************************/
95
96int	adv_isa_probe(device_t, cfdata_t, void *);
97void	adv_isa_attach(device_t, device_t, void *);
98
99CFATTACH_DECL_NEW(adv_isa, sizeof(ASC_SOFTC),
100    adv_isa_probe, adv_isa_attach, NULL, NULL);
101
102/******************************************************************************/
103
104int
105adv_isa_probe(device_t parent, cfdata_t match, void *aux)
106{
107	struct isa_attach_args *ia = aux;
108	bus_space_tag_t iot = ia->ia_iot;
109	bus_space_handle_t ioh;
110	int port_index;
111	int iobase, irq, drq;
112	int rv = 0;
113
114	if (ia->ia_nio < 1)
115		return (0);
116	if (ia->ia_nirq < 1)
117		return (0);
118	if (ia->ia_ndrq < 1)
119		return (0);
120
121	if (ISA_DIRECT_CONFIG(ia))
122		return (0);
123
124	/*
125	 * If the I/O address is wildcarded, look for boards
126	 * in ascending order.
127	 */
128	if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) {
129		for (port_index = 0; port_index < ASC_IOADR_TABLE_MAX_IX;
130		     port_index++) {
131			iobase = asc_ioport[port_index];
132
133			if (iobase) {
134				if (bus_space_map(iot, iobase, ASC_IOADR_GAP,
135				    0, &ioh))
136					continue;
137
138				rv = AscFindSignature(iot, ioh);
139
140				if (rv) {
141					ia->ia_io[0].ir_addr = iobase;
142					break;
143				}
144
145				bus_space_unmap(iot, ioh, ASC_IOADR_GAP);
146			}
147		}
148		if (rv == 0)
149			return (0);
150	} else {
151		iobase = ia->ia_io[0].ir_addr;
152		if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 0, &ioh))
153			return (0);
154
155		rv = AscFindSignature(iot, ioh);
156
157		if (rv == 0) {
158			bus_space_unmap(iot, ioh, ASC_IOADR_GAP);
159			return (0);
160		}
161	}
162
163	/* XXXJRT Probe routines should not have side-effects!! */
164	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
165	ASC_SET_CHIP_STATUS(iot, ioh, 0);
166
167	irq = AscGetChipIRQ(iot, ioh, ASC_IS_ISA);
168	drq = AscGetIsaDmaChannel(iot, ioh);
169
170	/* Verify that the IRQ/DRQ match (or are wildcarded). */
171	if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ &&
172	    ia->ia_irq[0].ir_irq != irq) {
173		rv = 0;
174		goto out;
175	}
176	if (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ &&
177	    ia->ia_drq[0].ir_drq != drq) {
178		rv = 0;
179		goto out;
180	}
181
182	ia->ia_nio = 1;
183	ia->ia_io[0].ir_addr = iobase;
184	ia->ia_io[0].ir_size = ASC_IOADR_GAP;
185
186	ia->ia_nirq = 1;
187	ia->ia_irq[0].ir_irq = irq;
188
189	ia->ia_ndrq = 1;
190	ia->ia_drq[0].ir_drq = drq;
191
192	ia->ia_niomem = 0;
193
194 out:
195	bus_space_unmap(iot, ioh, ASC_IOADR_GAP);
196	return rv;
197}
198
199
200void
201adv_isa_attach(device_t parent, device_t self, void *aux)
202{
203	struct isa_attach_args *ia = aux;
204	ASC_SOFTC *sc = device_private(self);
205	bus_space_tag_t iot = ia->ia_iot;
206	bus_space_handle_t ioh;
207	isa_chipset_tag_t ic = ia->ia_ic;
208	int error;
209
210	printf("\n");
211
212	sc->sc_dev = self;
213	sc->sc_flags = 0x0;
214
215	if (bus_space_map(iot, ia->ia_io[0].ir_addr, ASC_IOADR_GAP, 0, &ioh)) {
216		aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
217		return;
218	}
219
220	sc->sc_iot = iot;
221	sc->sc_ioh = ioh;
222	sc->sc_dmat = ia->ia_dmat;
223	sc->bus_type = ASC_IS_ISA;
224	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
225	/*
226	 * Memo:
227	 * for EISA cards:
228	 * sc->chip_version = (ASC_CHIP_MIN_VER_EISA - 1) + ea->ea_pid[1];
229	 */
230
231	/*
232	 * Initialize the board
233	 */
234	if (adv_init(sc)) {
235		aprint_error_dev(sc->sc_dev, "adv_init failed\n");
236		return;
237	}
238
239	if ((error = isa_dmacascade(ic, ia->ia_drq[0].ir_drq)) != 0) {
240		aprint_error_dev(sc->sc_dev,
241		    "unable to cascade DRQ, error = %d\n", error);
242		return;
243	}
244
245	sc->sc_ih = isa_intr_establish(ic, ia->ia_irq[0].ir_irq, IST_EDGE,
246	    IPL_BIO, adv_intr, sc);
247	if (sc->sc_ih == NULL) {
248		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n");
249		return;
250	}
251
252	adv_attach(sc);
253}
254