1/*	$NetBSD: ess_ofisa.c,v 1.32 2021/01/27 03:10:21 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBSD: ess_ofisa.c,v 1.32 2021/01/27 03:10:21 thorpej Exp $");
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/device.h>
39
40#include <sys/bus.h>
41#include <sys/intr.h>
42
43#include <sys/audioio.h>
44#include <dev/audio/audio_if.h>
45
46#include <dev/ofw/openfirm.h>
47#include <dev/isa/isavar.h>
48#include <dev/ofisa/ofisavar.h>
49
50#include <dev/isa/essreg.h>
51#include <dev/isa/essvar.h>
52
53int	ess_ofisa_match(device_t, cfdata_t, void *);
54void	ess_ofisa_attach(device_t, device_t, void *);
55
56CFATTACH_DECL_NEW(ess_ofisa, sizeof(struct ess_softc),
57    ess_ofisa_match, ess_ofisa_attach, NULL, NULL);
58
59static const struct device_compatible_entry compat_data[] = {
60	{ .compat = "ESST,es1887-codec" },	/* ESS 1887 */
61	{ .compat = "ESST,es1888-codec" },	/* ESS 1888 */
62	{ .compat = "ESST,es888-codec" },	/* ESS 888 */
63	DEVICE_COMPAT_EOL
64};
65
66int
67ess_ofisa_match(device_t parent, cfdata_t cf, void *aux)
68{
69	struct ofisa_attach_args *aa = aux;
70
71							/* beat generic SB */
72	return of_compatible_match(aa->oba.oba_phandle, compat_data) ? 10 : 0;
73}
74
75void
76ess_ofisa_attach(device_t parent, device_t self, void *aux)
77{
78	struct ess_softc *sc = device_private(self);
79	struct ofisa_attach_args *aa = aux;
80	struct ofisa_reg_desc reg;
81	struct ofisa_intr_desc intr[2];
82	struct ofisa_dma_desc dma[2];
83	int n, ndrq;
84
85	sc->sc_dev = self;
86
87	/*
88	 * We're living on an OFW.  We have to ask the OFW what our
89	 * registers and interrupts properties look like.
90	 *
91	 * We expect:
92	 *
93	 *	1      i/o register region
94	 *	1 or 2 interrupts
95	 *	2      DMA channels
96	 */
97
98	n = ofisa_reg_get(aa->oba.oba_phandle, &reg, 1);
99	if (n != 1) {
100		aprint_error(": error getting register data\n");
101		return;
102	}
103	if (reg.type != OFISA_REG_TYPE_IO) {
104		aprint_error(": register type not i/o\n");
105		return;
106	}
107	if (reg.len != ESS_NPORT) {
108		aprint_error(": weird register size (%lu, expected %d)\n",
109		    (unsigned long)reg.len, ESS_NPORT);
110		return;
111	}
112
113	n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2);
114	if (n == 1) {
115		sc->sc_audio1.irq = intr[0].irq;
116		sc->sc_audio1.ist = intr[0].share;
117		sc->sc_audio2.irq = intr[0].irq;
118		sc->sc_audio2.ist = intr[0].share;
119	} else if (n == 2) {
120		sc->sc_audio1.irq = intr[0].irq;
121		sc->sc_audio1.ist = intr[0].share;
122		sc->sc_audio2.irq = intr[1].irq;
123		sc->sc_audio2.ist = intr[1].share;
124	} else {
125		aprint_error(": error getting interrupt data\n");
126		return;
127	}
128
129	ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2);
130	if (ndrq != 2) {
131		aprint_error(": error getting DMA data\n");
132		return;
133	}
134	sc->sc_audio1.drq = dma[0].drq;
135	sc->sc_audio2.drq = dma[1].drq;
136
137	sc->sc_ic = aa->ic;
138
139	sc->sc_iot = aa->iot;
140	sc->sc_iobase = reg.addr;
141	if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0,
142	    &sc->sc_ioh)) {
143		aprint_error(": unable to map register space\n");
144		return;
145	}
146
147	/*
148	 * The Shark firmware doesn't program the ESS ISA address registers.
149	 * Do that here instead of inside essmatch() since we want to defer
150	 * to the firmware on other platforms.
151	 */
152	if (ess_config_addr(sc))
153		return;
154	if (essmatch(sc) == 0) {
155		aprint_error(": essmatch failed\n");
156		return;
157	}
158
159	ofisa_print_model(self, aa->oba.oba_phandle);
160
161	essattach(sc, 0);
162}
163