1 /* $OpenBSD: ufshci_acpi.c,v 1.2 2024/01/06 17:47:43 mglocker Exp $ */ 2 /* 3 * Copyright (c) 2022 Marcus Glocker <mglocker@openbsd.org> 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 <scsi/scsi_all.h> 32 #include <scsi/scsi_disk.h> 33 #include <scsi/scsiconf.h> 34 35 #include <dev/ic/ufshcivar.h> 36 37 struct ufshci_acpi_softc { 38 struct ufshci_softc sc; 39 struct acpi_softc *sc_acpi; 40 struct aml_node *sc_node; 41 void *sc_ih; 42 }; 43 44 int ufshci_acpi_match(struct device *, void *, void *); 45 void ufshci_acpi_attach(struct device *, struct device *, void *); 46 47 const struct cfattach ufshci_acpi_ca = { 48 sizeof(struct ufshci_acpi_softc), ufshci_acpi_match, ufshci_acpi_attach 49 }; 50 51 const char *ufshci_hids[] = { 52 "QCOM24A5", 53 NULL 54 }; 55 56 int 57 ufshci_acpi_match(struct device *parent, void *match, void *aux) 58 { 59 struct acpi_attach_args *aaa = aux; 60 struct cfdata *cf = match; 61 62 if (aaa->aaa_naddr < 1) 63 return 0; 64 65 return acpi_matchhids(aaa, ufshci_hids, cf->cf_driver->cd_name); 66 } 67 68 void 69 ufshci_acpi_attach(struct device *parent, struct device *self, void *aux) 70 { 71 struct ufshci_acpi_softc *sc = (struct ufshci_acpi_softc *)self; 72 struct acpi_attach_args *aaa = aux; 73 int error; 74 75 sc->sc_acpi = (struct acpi_softc *)parent; 76 sc->sc_node = aaa->aaa_node; 77 printf(" %s", sc->sc_node->name); 78 79 if (aaa->aaa_nirq < 1) { 80 printf(": no interrupt\n"); 81 return; 82 } 83 84 printf(" addr 0x%llx/0x%llx", aaa->aaa_addr[0], aaa->aaa_size[0]); 85 printf(" irq %d", aaa->aaa_irq[0]); 86 87 sc->sc.sc_iot = aaa->aaa_bst[0]; 88 sc->sc.sc_ios = aaa->aaa_size[0]; 89 sc->sc.sc_dmat = aaa->aaa_dmat; 90 91 if (bus_space_map(sc->sc.sc_iot, aaa->aaa_addr[0], aaa->aaa_size[0], 0, 92 &sc->sc.sc_ioh)) { 93 printf(": can't map registers\n"); 94 return; 95 } 96 97 sc->sc_ih = acpi_intr_establish(aaa->aaa_irq[0], aaa->aaa_irq_flags[0], 98 IPL_BIO, ufshci_intr, sc, sc->sc.sc_dev.dv_xname); 99 if (sc->sc_ih == NULL) { 100 printf(": can't establish interrupt\n"); 101 return; 102 } 103 104 error = ufshci_attach(&sc->sc); 105 if (error) { 106 printf("%s: attach failed, error=%d\n", 107 sc->sc.sc_dev.dv_xname, error); 108 return; 109 } 110 } 111