IABSD.fr/src/sys/dev/acpi/ahci_acpi.c

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• Author : jsg
  Date : 2024-10-09 00:38:25
  Hash : 3a3d566b
  Message : make attachments use pre-existing activate functions; ok deraadt@

• sys/dev/acpi/ahci_acpi.c

• /*	$OpenBSD: ahci_acpi.c,v 1.6 2024/10/09 00:38:25 jsg Exp $	*/
  /*
   * Copyright (c) 2018 Mark Kettenis
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include <sys/param.h>
  #include <sys/malloc.h>
  #include <sys/systm.h>
  
  #include <dev/acpi/acpireg.h>
  #include <dev/acpi/acpivar.h>
  #include <dev/acpi/acpidev.h>
  #include <dev/acpi/amltypes.h>
  #include <dev/acpi/dsdt.h>
  
  #undef DEVNAME
  #include <dev/ic/ahcireg.h>
  #include <dev/ic/ahcivar.h>
  
  struct ahci_acpi_softc {
  	struct ahci_softc sc;
  	struct acpi_softc *sc_acpi;
  	struct aml_node *sc_node;
  	void 		*sc_ih;
  };
  
  int	ahci_acpi_match(struct device *, void *, void *);
  void	ahci_acpi_attach(struct device *, struct device *, void *);
  
  const struct cfattach ahci_acpi_ca = {
  	sizeof(struct ahci_acpi_softc), ahci_acpi_match, ahci_acpi_attach,
  	NULL, ahci_activate
  };
  
  int
  ahci_acpi_match(struct device *parent, void *match, void *aux)
  {
  	struct acpi_attach_args *aaa = aux;
  
  	if (aaa->aaa_naddr < 1 || aaa->aaa_nirq < 1)
  		return 0;
  	return acpi_matchcls(aaa, PCI_CLASS_MASS_STORAGE,
  	    PCI_SUBCLASS_MASS_STORAGE_SATA, PCI_INTERFACE_SATA_AHCI10);
  }
  
  void
  ahci_acpi_attach(struct device *parent, struct device *self, void *aux)
  {
  	struct ahci_acpi_softc *sc = (struct ahci_acpi_softc *)self;
  	struct acpi_attach_args *aaa = aux;
  
  	sc->sc_acpi = (struct acpi_softc *)parent;
  	sc->sc_node = aaa->aaa_node;
  	printf(" %s", sc->sc_node->name);
  
  	printf(" addr 0x%llx/0x%llx", aaa->aaa_addr[0], aaa->aaa_size[0]);
  	printf(" irq %d", aaa->aaa_irq[0]);
  
  	sc->sc.sc_iot = aaa->aaa_bst[0];
  	sc->sc.sc_ios = aaa->aaa_size[0];
  	sc->sc.sc_dmat = aaa->aaa_dmat;
  
  	if (bus_space_map(sc->sc.sc_iot, aaa->aaa_addr[0], aaa->aaa_size[0],
  	    0, &sc->sc.sc_ioh)) {
  		printf(": can't map registers\n");
  		return;
  	}
  
  	sc->sc_ih = acpi_intr_establish(aaa->aaa_irq[0], aaa->aaa_irq_flags[0],
  	    IPL_BIO, ahci_intr, sc, sc->sc.sc_dev.dv_xname);
  	if (sc->sc_ih == NULL) {
  		printf(": can't establish interrupt\n");
  		return;
  	}
  
  	printf(":");
  
  	if (ahci_attach(&sc->sc) != 0) {
  		/* error printed by ahci_attach */
  		goto irq;
  	}
  
  	return;
  
  irq:
  	return;
  }