1 /* $OpenBSD: xhci_acpi.c,v 1.13 2024/10/09 00:38:26 jsg Exp $ */
2 /*
3 * Copyright (c) 2018 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/param.h>
19 #include <sys/systm.h>
20 #include <sys/device.h>
21
22 #include <machine/bus.h>
23 #include <machine/intr.h>
24
25 #include <dev/acpi/acpireg.h>
26 #include <dev/acpi/acpivar.h>
27 #include <dev/acpi/acpidev.h>
28 #include <dev/acpi/amltypes.h>
29 #include <dev/acpi/dsdt.h>
30
31 #include <dev/usb/usb.h>
32 #include <dev/usb/usbdi.h>
33 #include <dev/usb/usbdivar.h>
34 #include <dev/usb/usb_mem.h>
35
36 #include <dev/usb/xhcireg.h>
37 #include <dev/usb/xhcivar.h>
38
39 struct xhci_acpi_softc {
40 struct xhci_softc sc;
41 struct acpi_softc *sc_acpi;
42 struct aml_node *sc_node;
43 void *sc_ih;
44 };
45
46 int xhci_acpi_match(struct device *, void *, void *);
47 void xhci_acpi_attach(struct device *, struct device *, void *);
48
49 const struct cfattach xhci_acpi_ca = {
50 sizeof(struct xhci_acpi_softc), xhci_acpi_match, xhci_acpi_attach,
51 NULL, xhci_activate
52 };
53
54 const char *xhci_hids[] = {
55 "PNP0D10",
56 "PNP0D15",
57 "QCOM0304", /* SDM845 URS */
58 "QCOM0305",
59 "QCOM0497", /* SC8180 URS */
60 "QCOM0498",
61 "QCOM068B", /* SC8280 URS */
62 "QCOM068C",
63 "QCOM0826", /* SC7180 USB */
64 "QCOM24B6", /* SDM850 URS */
65 "QCOM24B7",
66 "QCOM0C8B", /* X1E80100 URS */
67 "QCOM0C8C",
68 "QCOM0D07",
69 NULL
70 };
71
72 int
xhci_acpi_match(struct device * parent,void * match,void * aux)73 xhci_acpi_match(struct device *parent, void *match, void *aux)
74 {
75 struct acpi_attach_args *aaa = aux;
76 struct cfdata *cf = match;
77
78 if (aaa->aaa_naddr < 1)
79 return 0;
80 return acpi_matchhids(aaa, xhci_hids, cf->cf_driver->cd_name);
81 }
82
83 void
xhci_acpi_attach(struct device * parent,struct device * self,void * aux)84 xhci_acpi_attach(struct device *parent, struct device *self, void *aux)
85 {
86 struct xhci_acpi_softc *sc = (struct xhci_acpi_softc *)self;
87 struct acpi_attach_args *aaa = aux;
88 struct aml_node *node;
89 int error;
90
91 sc->sc_acpi = (struct acpi_softc *)parent;
92 sc->sc_node = aaa->aaa_node;
93 printf(" %s", sc->sc_node->name);
94
95 /* XXX: Attaching on that specific controller resets the X13s */
96 extern char *hw_ver;
97 if (hw_ver && strcmp(hw_ver, "ThinkPad X13s Gen 1") == 0 &&
98 strncmp(sc->sc_node->name, "USB2", 4) == 0) {
99 printf(": disabled\n");
100 return;
101 }
102
103 /*
104 * The Qualcomm dual role controller has the interrupt on a
105 * child node. Find it and parse its resources to find the
106 * interrupt.
107 */
108 if (strcmp(aaa->aaa_dev, "QCOM0304") == 0 ||
109 strcmp(aaa->aaa_dev, "QCOM0305") == 0 ||
110 strcmp(aaa->aaa_dev, "QCOM0497") == 0 ||
111 strcmp(aaa->aaa_dev, "QCOM0498") == 0 ||
112 strcmp(aaa->aaa_dev, "QCOM068B") == 0 ||
113 strcmp(aaa->aaa_dev, "QCOM068C") == 0 ||
114 strcmp(aaa->aaa_dev, "QCOM24B6") == 0 ||
115 strcmp(aaa->aaa_dev, "QCOM24B7") == 0 ||
116 strcmp(aaa->aaa_dev, "QCOM0C8B") == 0 ||
117 strcmp(aaa->aaa_dev, "QCOM0C8C") == 0 ||
118 strcmp(aaa->aaa_dev, "QCOM0D07") == 0) {
119 SIMPLEQ_FOREACH(node, &sc->sc_node->son, sib) {
120 if (strncmp(node->name, "USB", 3) == 0) {
121 aaa->aaa_node = node;
122 acpi_parse_crs(sc->sc_acpi, aaa);
123 break;
124 }
125 }
126 }
127
128 if (aaa->aaa_nirq < 1) {
129 printf(": no interrupt\n");
130 return;
131 }
132
133 printf(" addr 0x%llx/0x%llx", aaa->aaa_addr[0], aaa->aaa_size[0]);
134 printf(" irq %d", aaa->aaa_irq[0]);
135
136 sc->sc.iot = aaa->aaa_bst[0];
137 sc->sc.sc_size = aaa->aaa_size[0];
138 sc->sc.sc_bus.dmatag = aaa->aaa_dmat;
139
140 if (bus_space_map(sc->sc.iot, aaa->aaa_addr[0], aaa->aaa_size[0],
141 0, &sc->sc.ioh)) {
142 printf(": can't map registers\n");
143 return;
144 }
145
146 sc->sc_ih = acpi_intr_establish(aaa->aaa_irq[0], aaa->aaa_irq_flags[0],
147 IPL_USB, xhci_intr, sc, sc->sc.sc_bus.bdev.dv_xname);
148 if (sc->sc_ih == NULL) {
149 printf(": can't establish interrupt\n");
150 goto unmap;
151 }
152
153 strlcpy(sc->sc.sc_vendor, "Generic", sizeof(sc->sc.sc_vendor));
154 if ((error = xhci_init(&sc->sc)) != 0) {
155 printf("%s: init failed, error=%d\n",
156 sc->sc.sc_bus.bdev.dv_xname, error);
157 goto disestablish_ret;
158 }
159
160 /* Attach usb device. */
161 config_found(self, &sc->sc.sc_bus, usbctlprint);
162
163 /* Now that the stack is ready, config' the HC and enable interrupts. */
164 xhci_config(&sc->sc);
165
166 return;
167
168 disestablish_ret:
169 acpi_intr_disestablish(sc->sc_ih);
170 unmap:
171 bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
172 return;
173 }
174