File: | dev/pci/cy_pci.c |
Warning: | line 121, column 6 3rd function call argument is an uninitialized value |
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1 | /* $OpenBSD: cy_pci.c,v 1.15 2021/03/05 12:40:13 jsg Exp $ */ | |||
2 | /* | |||
3 | * Copyright (c) 1996 Timo Rossi. | |||
4 | * 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. Neither the name of the author nor the names of contributors | |||
15 | * may be used to endorse or promote products derived from this software | |||
16 | * without specific prior written permission. | |||
17 | * | |||
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||
19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||
22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||
23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||
24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||
26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||
28 | * SUCH DAMAGE. | |||
29 | */ | |||
30 | ||||
31 | /* | |||
32 | * cy_pci.c | |||
33 | * | |||
34 | * Driver for Cyclades Cyclom-8/16/32 multiport serial cards | |||
35 | * (currently not tested with Cyclom-32 cards) | |||
36 | * | |||
37 | * Timo Rossi, 1996 | |||
38 | */ | |||
39 | ||||
40 | #include <sys/param.h> | |||
41 | #include <sys/systm.h> | |||
42 | #include <sys/device.h> | |||
43 | ||||
44 | #include <machine/bus.h> | |||
45 | ||||
46 | #include <dev/pci/pcivar.h> | |||
47 | #include <dev/pci/pcireg.h> | |||
48 | #include <dev/pci/pcidevs.h> | |||
49 | ||||
50 | #include <dev/ic/cd1400reg.h> | |||
51 | #include <dev/ic/cyreg.h> | |||
52 | ||||
53 | int cy_pci_match(struct device *, void *, void *); | |||
54 | void cy_pci_attach(struct device *, struct device *, void *); | |||
55 | ||||
56 | struct cy_pci_softc { | |||
57 | struct cy_softc sc_cy; /* real softc */ | |||
58 | ||||
59 | bus_space_tag_t sc_iot; /* PLX i/o tag */ | |||
60 | bus_space_handle_t sc_ioh; /* PLX i/o handle */ | |||
61 | }; | |||
62 | ||||
63 | struct cfattach cy_pci_ca = { | |||
64 | sizeof(struct cy_pci_softc), cy_pci_match, cy_pci_attach | |||
65 | }; | |||
66 | ||||
67 | #define CY_PLX_9050_ICS_IENABLE0x040 0x040 | |||
68 | #define CY_PLX_9050_ICS_LOCAL_IENABLE0x001 0x001 | |||
69 | #define CY_PLX_9050_ICS_LOCAL_IPOLARITY0x002 0x002 | |||
70 | #define CY_PLX_9060_ICS_IENABLE0x100 0x100 | |||
71 | #define CY_PLX_9060_ICS_LOCAL_IENABLE0x800 0x800 | |||
72 | ||||
73 | const struct pci_matchid cy_pci_devices[] = { | |||
74 | { PCI_VENDOR_CYCLADES0x120e, PCI_PRODUCT_CYCLADES_CYCLOMY_10x0100 }, | |||
75 | { PCI_VENDOR_CYCLADES0x120e, PCI_PRODUCT_CYCLADES_CYCLOMY_20x0101 }, | |||
76 | { PCI_VENDOR_CYCLADES0x120e, PCI_PRODUCT_CYCLADES_CYCLOM4Y_10x0102 }, | |||
77 | { PCI_VENDOR_CYCLADES0x120e, PCI_PRODUCT_CYCLADES_CYCLOM4Y_20x0103 }, | |||
78 | { PCI_VENDOR_CYCLADES0x120e, PCI_PRODUCT_CYCLADES_CYCLOM8Y_10x0104 }, | |||
79 | { PCI_VENDOR_CYCLADES0x120e, PCI_PRODUCT_CYCLADES_CYCLOM8Y_20x0105 }, | |||
80 | }; | |||
81 | ||||
82 | int | |||
83 | cy_pci_match(struct device *parent, void *match, void *aux) | |||
84 | { | |||
85 | return (pci_matchbyid((struct pci_attach_args *)aux, cy_pci_devices, | |||
86 | nitems(cy_pci_devices)(sizeof((cy_pci_devices)) / sizeof((cy_pci_devices)[0])))); | |||
87 | } | |||
88 | ||||
89 | void | |||
90 | cy_pci_attach(struct device *parent, struct device *self, void *aux) | |||
91 | { | |||
92 | struct cy_pci_softc *psc = (struct cy_pci_softc *)self; | |||
93 | struct cy_softc *sc = (struct cy_softc *)self; | |||
94 | struct pci_attach_args *pa = aux; | |||
95 | const char *intrstr = NULL((void *)0); | |||
96 | pci_intr_handle_t ih; | |||
97 | pcireg_t memtype; | |||
| ||||
98 | int plx_ver; | |||
99 | ||||
100 | sc->sc_bustype = CY_BUSTYPE_PCI1; | |||
101 | ||||
102 | switch (PCI_PRODUCT(pa->pa_id)(((pa->pa_id) >> 16) & 0xffff)) { | |||
103 | case PCI_PRODUCT_CYCLADES_CYCLOMY_10x0100: | |||
104 | case PCI_PRODUCT_CYCLADES_CYCLOM4Y_10x0102: | |||
105 | case PCI_PRODUCT_CYCLADES_CYCLOM8Y_10x0104: | |||
106 | memtype = PCI_MAPREG_TYPE_MEM0x00000000|PCI_MAPREG_MEM_TYPE_32BIT_1M0x00000002; | |||
107 | break; | |||
108 | case PCI_PRODUCT_CYCLADES_CYCLOMY_20x0101: | |||
109 | case PCI_PRODUCT_CYCLADES_CYCLOM4Y_20x0103: | |||
110 | case PCI_PRODUCT_CYCLADES_CYCLOM8Y_20x0105: | |||
111 | memtype = PCI_MAPREG_TYPE_MEM0x00000000|PCI_MAPREG_MEM_TYPE_32BIT0x00000000; | |||
112 | break; | |||
113 | } | |||
114 | ||||
115 | if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_IO0x00000001, 0, | |||
116 | &psc->sc_iot, &psc->sc_ioh, NULL((void *)0), NULL((void *)0), 0) != 0) { | |||
117 | printf(": unable to map PLX registers\n"); | |||
118 | return; | |||
119 | } | |||
120 | ||||
121 | if (pci_mapreg_map(pa, 0x18, memtype, 0, &sc->sc_memt, | |||
| ||||
122 | &sc->sc_memh, NULL((void *)0), NULL((void *)0), 0) != 0) { | |||
123 | printf(": couldn't map device registers\n"); | |||
124 | return; | |||
125 | } | |||
126 | ||||
127 | if ((sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh, | |||
128 | CY_BUSTYPE_PCI1)) == 0) { | |||
129 | printf(": PCI Cyclom card with no CD1400s\n"); | |||
130 | return; | |||
131 | } | |||
132 | ||||
133 | if (pci_intr_map(pa, &ih) != 0) { | |||
134 | printf(": couldn't map interrupt\n"); | |||
135 | return; | |||
136 | } | |||
137 | ||||
138 | intrstr = pci_intr_string(pa->pa_pc, ih); | |||
139 | sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_TTY0x9, cy_intr, | |||
140 | sc, sc->sc_dev.dv_xname); | |||
141 | if (sc->sc_ih == NULL((void *)0)) { | |||
142 | printf(": couldn't establish interrupt"); | |||
143 | if (intrstr != NULL((void *)0)) | |||
144 | printf(" at %s", intrstr); | |||
145 | printf("\n"); | |||
146 | return; | |||
147 | } | |||
148 | printf(": %s", intrstr); | |||
149 | ||||
150 | cy_attach(parent, self); | |||
151 | ||||
152 | /* Get PLX version */ | |||
153 | plx_ver = bus_space_read_1(sc->sc_memt, sc->sc_memh, CY_PLX_VER)((sc->sc_memt)->read_1((sc->sc_memh), (0x3400))) & 0x0f; | |||
154 | ||||
155 | /* Enable PCI card interrupts */ | |||
156 | switch (plx_ver) { | |||
157 | case CY_PLX_90500x0b: | |||
158 | bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA_9050,((psc->sc_iot)->write_2((psc->sc_ioh), (0x4c), (0x040 | 0x001 | 0x002))) | |||
159 | CY_PLX_9050_ICS_IENABLE | CY_PLX_9050_ICS_LOCAL_IENABLE |((psc->sc_iot)->write_2((psc->sc_ioh), (0x4c), (0x040 | 0x001 | 0x002))) | |||
160 | CY_PLX_9050_ICS_LOCAL_IPOLARITY)((psc->sc_iot)->write_2((psc->sc_ioh), (0x4c), (0x040 | 0x001 | 0x002))); | |||
161 | break; | |||
162 | ||||
163 | case CY_PLX_90600x0c: | |||
164 | case CY_PLX_90800x0d: | |||
165 | default: | |||
166 | bus_space_write_2(psc->sc_iot, psc->sc_ioh, CY_PCI_INTENA,((psc->sc_iot)->write_2((psc->sc_ioh), (0x68), (((psc ->sc_iot)->read_2((psc->sc_ioh), (0x68))) | 0x100 | 0x800 ))) | |||
167 | bus_space_read_2(psc->sc_iot, psc->sc_ioh,((psc->sc_iot)->write_2((psc->sc_ioh), (0x68), (((psc ->sc_iot)->read_2((psc->sc_ioh), (0x68))) | 0x100 | 0x800 ))) | |||
168 | CY_PCI_INTENA) | CY_PLX_9060_ICS_IENABLE |((psc->sc_iot)->write_2((psc->sc_ioh), (0x68), (((psc ->sc_iot)->read_2((psc->sc_ioh), (0x68))) | 0x100 | 0x800 ))) | |||
169 | CY_PLX_9060_ICS_LOCAL_IENABLE)((psc->sc_iot)->write_2((psc->sc_ioh), (0x68), (((psc ->sc_iot)->read_2((psc->sc_ioh), (0x68))) | 0x100 | 0x800 ))); | |||
170 | } | |||
171 | } |