1 /* $NetBSD: slhci_isa.c,v 1.15 2016/07/14 04:00:45 msaitoh Exp $ */
2
3 /*
4 * Copyright (c) 2001 Kiyoshi Ikehara. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Kiyoshi Ikehara.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 /*
34 * ISA-USB host board
35 */
36
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: slhci_isa.c,v 1.15 2016/07/14 04:00:45 msaitoh Exp $");
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/device.h>
43
44 #include <sys/bus.h>
45 #include <sys/cpu.h>
46
47 #include <dev/usb/usb.h>
48 #include <dev/usb/usbdi.h>
49 #include <dev/usb/usbdivar.h>
50
51 #include <dev/ic/sl811hsreg.h>
52 #include <dev/ic/sl811hsvar.h>
53
54 #include <dev/isa/isavar.h>
55
56 struct slhci_isa_softc {
57 struct slhci_softc sc;
58 isa_chipset_tag_t sc_ic;
59 void *sc_ih;
60 };
61
62 static int slhci_isa_match(device_t, cfdata_t, void *);
63 static void slhci_isa_attach(device_t, device_t, void *);
64
65 CFATTACH_DECL_NEW(slhci_isa, sizeof(struct slhci_isa_softc),
66 slhci_isa_match, slhci_isa_attach, NULL, slhci_activate);
67
68 static int
slhci_isa_match(device_t parent,cfdata_t cf,void * aux)69 slhci_isa_match(device_t parent, cfdata_t cf, void *aux)
70 {
71 struct isa_attach_args *ia = aux;
72 bus_space_tag_t iot = ia->ia_iot;
73 bus_space_handle_t ioh;
74 int result = 0;
75 uint8_t sltype;
76
77 if (ia->ia_nio < 1)
78 goto out;
79 if (ia->ia_nirq < 1)
80 goto out;
81
82 if (ISA_DIRECT_CONFIG(ia))
83 goto out;
84
85 /* Disallow wildcarded i/o address. */
86 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
87 goto out;
88
89 /* Don't allow wildcarded IRQ. */
90 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ)
91 goto out;
92
93 if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh))
94 goto out;
95
96 bus_space_write_1(iot, ioh, SL11_IDX_ADDR, SL11_REV);
97 sltype = SL11_GET_REV(bus_space_read_1(iot, ioh, SL11_IDX_DATA));
98
99 result = slhci_supported_rev(sltype);
100
101 bus_space_unmap(iot, ioh, SL11_PORTSIZE);
102
103 out:
104 if (result) {
105 ia->ia_nio = 1;
106 ia->ia_io[0].ir_size = SL11_PORTSIZE;
107
108 ia->ia_nirq = 1;
109
110 ia->ia_niomem = 0;
111 ia->ia_ndrq = 0;
112 }
113 return (result);
114 }
115
116 static void
slhci_isa_attach(device_t parent,device_t self,void * aux)117 slhci_isa_attach(device_t parent, device_t self, void *aux)
118 {
119 struct slhci_isa_softc *isc = device_private(self);
120 struct slhci_softc *sc = &isc->sc;
121 struct isa_attach_args *ia = aux;
122 bus_space_tag_t iot = ia->ia_iot;
123 bus_space_handle_t ioh;
124
125 sc->sc_dev = self;
126 sc->sc_bus.ub_hcpriv = sc;
127
128 printf("\n"); /* XXX still needed? */
129
130 /* Map I/O space */
131 if (bus_space_map(iot, ia->ia_io[0].ir_addr, SL11_PORTSIZE, 0, &ioh)) {
132 aprint_error("%s: can't map I/O space\n", SC_NAME(sc));
133 return;
134 }
135
136 /* Initialize sc XXX power value unconfirmed */
137 slhci_preinit(sc, NULL, iot, ioh, 500, SL11_IDX_DATA);
138
139 /* Establish the interrupt handler */
140 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
141 IST_EDGE, IPL_USB, slhci_intr, sc);
142 if (isc->sc_ih == NULL) {
143 aprint_error("%s: can't establish interrupt\n", SC_NAME(sc));
144 return;
145 }
146
147 /* Attach SL811HS/T */
148 if (slhci_attach(sc))
149 aprint_error("%s: slhci_attach failed\n", SC_NAME(sc));
150 }
151