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 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 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