1 /* $OpenBSD: xhci_acpi.c,v 1.11 2022/10/30 15:34:54 patrick 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 }; 52 53 const char *xhci_hids[] = { 54 "PNP0D10", 55 "PNP0D15", 56 "QCOM0304", /* SDM845 URS */ 57 "QCOM0305", 58 "QCOM0497", /* SC8180 URS */ 59 "QCOM0498", 60 "QCOM068B", /* SC8280 URS */ 61 "QCOM068C", 62 "QCOM0826", /* SC7180 USB */ 63 "QCOM24B6", /* SDM850 URS */ 64 "QCOM24B7", 65 NULL 66 }; 67 68 int 69 xhci_acpi_match(struct device *parent, void *match, void *aux) 70 { 71 struct acpi_attach_args *aaa = aux; 72 struct cfdata *cf = match; 73 74 if (aaa->aaa_naddr < 1) 75 return 0; 76 return acpi_matchhids(aaa, xhci_hids, cf->cf_driver->cd_name); 77 } 78 79 void 80 xhci_acpi_attach(struct device *parent, struct device *self, void *aux) 81 { 82 struct xhci_acpi_softc *sc = (struct xhci_acpi_softc *)self; 83 struct acpi_attach_args *aaa = aux; 84 struct aml_node *node; 85 int error; 86 87 sc->sc_acpi = (struct acpi_softc *)parent; 88 sc->sc_node = aaa->aaa_node; 89 printf(" %s", sc->sc_node->name); 90 91 /* XXX: Attaching on that specific controller resets the X13s */ 92 extern char *hw_ver; 93 if (hw_ver && strcmp(hw_ver, "ThinkPad X13s Gen 1") == 0 && 94 strncmp(sc->sc_node->name, "USB2", 4) == 0) { 95 printf(": disabled\n"); 96 return; 97 } 98 99 /* 100 * The Qualcomm dual role controller has the interrupt on a 101 * child node. Find it and parse its resources to find the 102 * interrupt. 103 */ 104 if (strcmp(aaa->aaa_dev, "QCOM0304") == 0 || 105 strcmp(aaa->aaa_dev, "QCOM0305") == 0 || 106 strcmp(aaa->aaa_dev, "QCOM0497") == 0 || 107 strcmp(aaa->aaa_dev, "QCOM0498") == 0 || 108 strcmp(aaa->aaa_dev, "QCOM068B") == 0 || 109 strcmp(aaa->aaa_dev, "QCOM068C") == 0 || 110 strcmp(aaa->aaa_dev, "QCOM24B6") == 0 || 111 strcmp(aaa->aaa_dev, "QCOM24B7") == 0) { 112 SIMPLEQ_FOREACH(node, &sc->sc_node->son, sib) { 113 if (strncmp(node->name, "USB", 3) == 0) { 114 aaa->aaa_node = node; 115 acpi_parse_crs(sc->sc_acpi, aaa); 116 break; 117 } 118 } 119 } 120 121 if (aaa->aaa_nirq < 1) { 122 printf(": no interrupt\n"); 123 return; 124 } 125 126 printf(" addr 0x%llx/0x%llx", aaa->aaa_addr[0], aaa->aaa_size[0]); 127 printf(" irq %d", aaa->aaa_irq[0]); 128 129 sc->sc.iot = aaa->aaa_bst[0]; 130 sc->sc.sc_size = aaa->aaa_size[0]; 131 sc->sc.sc_bus.dmatag = aaa->aaa_dmat; 132 133 if (bus_space_map(sc->sc.iot, aaa->aaa_addr[0], aaa->aaa_size[0], 134 0, &sc->sc.ioh)) { 135 printf(": can't map registers\n"); 136 return; 137 } 138 139 sc->sc_ih = acpi_intr_establish(aaa->aaa_irq[0], aaa->aaa_irq_flags[0], 140 IPL_USB, xhci_intr, sc, sc->sc.sc_bus.bdev.dv_xname); 141 if (sc->sc_ih == NULL) { 142 printf(": can't establish interrupt\n"); 143 goto unmap; 144 } 145 146 strlcpy(sc->sc.sc_vendor, "Generic", sizeof(sc->sc.sc_vendor)); 147 if ((error = xhci_init(&sc->sc)) != 0) { 148 printf("%s: init failed, error=%d\n", 149 sc->sc.sc_bus.bdev.dv_xname, error); 150 goto disestablish_ret; 151 } 152 153 /* Attach usb device. */ 154 config_found(self, &sc->sc.sc_bus, usbctlprint); 155 156 /* Now that the stack is ready, config' the HC and enable interrupts. */ 157 xhci_config(&sc->sc); 158 159 return; 160 161 disestablish_ret: 162 acpi_intr_disestablish(sc->sc_ih); 163 unmap: 164 bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size); 165 return; 166 } 167