mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-19 23:03:55 +00:00
Shut up some debugging messages that appear to have been left on by
default. Fix the identify/probe/attach cycle somewhat. Now in acpi_identify we parse enough of the RSDT/FACP to find the communications port and interrupt so that we can establish these as resources on the acpi device. Pass the softc to acpi_queue_event so that it doesn't dereference NULL when acpi_intr is invoked in the attach routine (because devclass_get_softc isn't going to work yet). Account for our allocated resources properly so that we can free them if required.
This commit is contained in:
Mike Smith
parent
b16c630a6a
commit
81a324e8b0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=66401
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@ -85,6 +85,7 @@ static void acpi_pmap_init(void);
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static void acpi_pmap_release(void);
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static vm_offset_t acpi_pmap_ptv(vm_offset_t pa);
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static vm_offset_t acpi_pmap_vtp(vm_offset_t va);
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static void acpi_free(struct acpi_softc *sc);
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/*
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* These data cannot be in acpi_softc because they should be initialized
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@ -93,6 +94,8 @@ static vm_offset_t acpi_pmap_vtp(vm_offset_t va);
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static struct ACPIaddr acpi_addr;
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struct ACPIrsdp *acpi_rsdp;
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static int acpi_port;
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static int acpi_irq;
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/* Character device stuff */
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@ -142,7 +145,7 @@ static void acpi_io_gpe1_enable(acpi_softc_t *sc, boolean_t io, u_int32_t *val);
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/* Miscellous utility functions */
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static int acpi_sdt_checksum(struct ACPIsdt * sdt);
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static void acpi_handle_dsdt(acpi_softc_t *sc);
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static void acpi_handle_facp(acpi_softc_t *sc);
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static void acpi_handle_facp(acpi_softc_t *sc, struct ACPIsdt *facp);
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static int acpi_handle_rsdt(acpi_softc_t *sc);
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/* System sleeping state stuff */
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@ -161,7 +164,6 @@ static void acpi_enable_events(acpi_softc_t *sc);
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static void acpi_clear_ignore_events(void *arg);
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/* New-bus dependent code */
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static acpi_softc_t *acpi_get_softc(dev_t dev);
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static int acpi_send_pm_event(acpi_softc_t *sc, u_int8_t state);
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static void acpi_identify(driver_t *driver, device_t parent);
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static int acpi_probe(device_t dev);
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@ -256,6 +258,7 @@ acpi_pmap_release()
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for (i = 0; i < acpi_addr.entries; i++) {
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pmap_unmapdev(acpi_addr.t[i].va_base, acpi_addr.t[i].size);
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}
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acpi_addr.entries = 0;
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#endif
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}
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@ -296,7 +299,7 @@ acpi_pmap_vtp(vm_offset_t va)
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}
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/*
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* ACPI Registers I/O
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* ACPI Register I/O
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*/
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void
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@ -760,21 +763,35 @@ acpi_handle_dsdt(acpi_softc_t *sc)
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#endif
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}
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/*
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* Handle the FACP.
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*
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* In the special case where sc is NULL, we are just trying to set acpi_port
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* and acpi_irq, so don't try to do anything to the softc, and return as soon
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* as we have worked them out.
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*/
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static void
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acpi_handle_facp(acpi_softc_t *sc)
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acpi_handle_facp(acpi_softc_t *sc, struct ACPIsdt *facp)
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{
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struct ACPIsdt *facp, *dsdt;
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struct ACPIsdt *dsdt;
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struct FACPbody *body;
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struct FACS *facs;
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facp = sc->facp;
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body = (struct FACPbody *) facp->body;
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body = (struct FACPbody *)facp->body;
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/* in discovery mode, we have everything we need now */
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if (sc == NULL) {
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acpi_port = body->smi_cmd;
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acpi_irq = body->sci_int;
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return;
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}
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ACPI_DEBUGPRINT(" FACP found\n");
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sc->facp = facp;
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sc->facp_body = body;
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dsdt = (struct ACPIsdt *) acpi_pmap_ptv(body->dsdt_ptr);
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sc->dsdt = NULL;
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sc->facs = NULL;
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dsdt = (struct ACPIsdt *) acpi_pmap_ptv(body->dsdt_ptr);
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if (dsdt == NULL) {
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return;
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}
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@ -801,6 +818,12 @@ acpi_handle_facp(acpi_softc_t *sc)
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}
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}
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/*
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* Handle the RSDT.
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*
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* In the special case where sc is NULL, we are just trying to set acpi_port
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* and acpi_irq, so don't try to do anything to the softc.
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*/
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static int
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acpi_handle_rsdt(acpi_softc_t *sc)
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{
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@ -818,10 +841,10 @@ acpi_handle_rsdt(acpi_softc_t *sc)
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if ((strncmp(rsdt->signature, "RSDT", 4) != 0) ||
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(acpi_sdt_checksum(rsdt) != 0)) {
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ACPI_DEVPRINTF("RSDT is broken\n");
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acpi_pmap_release();
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return (-1);
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}
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sc->rsdt = rsdt;
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if (sc != NULL)
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sc->rsdt = rsdt;
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entries = (rsdt->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
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ACPI_DEBUGPRINT("RSDT have %d entries\n", entries);
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ptrs = (u_int32_t *) & rsdt->body;
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@ -834,8 +857,7 @@ acpi_handle_rsdt(acpi_softc_t *sc)
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if (strncmp(sdt->signature, "FACP", 4) == 0 &&
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acpi_sdt_checksum(sdt) == 0) {
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sc->facp = sdt;
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acpi_handle_facp(sc);
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acpi_handle_facp(sc, sdt);
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}
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}
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@ -1060,7 +1082,7 @@ acpi_process_event(acpi_softc_t *sc, u_int32_t status_a, u_int32_t status_b,
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this event should be
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passed to it,so that user can determine power policy
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and process some on userland (Not yet)*/
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acpi_queue_event(ACPI_EVENT_TYPE_FIXEDREG, 0);
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acpi_queue_event(sc, ACPI_EVENT_TYPE_FIXEDREG, 0);
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#endif
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@ -1074,16 +1096,16 @@ acpi_process_event(acpi_softc_t *sc, u_int32_t status_a, u_int32_t status_b,
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#if 1
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acpi_set_sleeping_state(sc, ACPI_S_STATE_S1);
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#else
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acpi_queue_event(ACPI_EVENT_TYPE_FIXEDREG, 1);
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acpi_queue_event(sc, ACPI_EVENT_TYPE_FIXEDREG, 1);
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#endif
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}
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}
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for(i = 0; i < sc->facp_body->gpe0_len * 4; i++)
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if((status_0 & (1 << i)) && (sc->gpe0_mask & (1 << i)))
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acpi_queue_event(ACPI_EVENT_TYPE_GPEREG, i);
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acpi_queue_event(sc, ACPI_EVENT_TYPE_GPEREG, i);
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for(i = 0; i < sc->facp_body->gpe1_len * 4 ; i++)
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if((status_1 & (1 << i)) && (sc->gpe1_mask & (1 << i)))
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acpi_queue_event(ACPI_EVENT_TYPE_GPEREG,
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acpi_queue_event(sc, ACPI_EVENT_TYPE_GPEREG,
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i + sc->facp_body->gpe1_base);
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}
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@ -1112,7 +1134,7 @@ acpi_intr(void *data)
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if ((status_a & enable_a) != 0 || (status_b & enable_b) != 0) {
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acpi_debug = debug; /* OK, you can speak */
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ACPI_DEVPRINTF("pm1_status intr CALLED\n");
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ACPI_DEBUGPRINT("pm1_status intr CALLED\n");
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/* Disable all interrupt generation */
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val_a = enable_a & (~ACPI_PM1_ALL_ENABLE_BITS);
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@ -1142,7 +1164,7 @@ acpi_intr(void *data)
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if ((status_0 & enable_0) != 0) {
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acpi_debug = debug; /* OK, you can speak */
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ACPI_DEVPRINTF("gpe0_status intr CALLED\n");
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ACPI_DEBUGPRINT("gpe0_status intr CALLED\n");
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/* Disable all interrupt generation */
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val_a = enable_0 & ~status_0;
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@ -1174,7 +1196,7 @@ acpi_intr(void *data)
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if ((status_1 & enable_1) != 0) {
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acpi_debug = debug; /* OK, you can speak */
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ACPI_DEVPRINTF("gpe1_status intr CALLED\n");
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ACPI_DEBUGPRINT("gpe1_status intr CALLED\n");
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/* Disable all interrupt generation */
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val_a = enable_1 & ~status_1;
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@ -1210,7 +1232,7 @@ static int acpi_set_gpe_bits(struct aml_name *name,va_list ap)
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if(isxdigit(name->name[2]) && isxdigit(name->name[3])){
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gpenum = XDIGITTONUM(name->name[2]) * 16 +
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XDIGITTONUM(name->name[3]);
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ACPI_DEVPRINTF("GPENUM %d %d \n", gpenum,
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ACPI_DEBUGPRINT("GPENUM %d %d \n", gpenum,
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sc->facp_body->gpe0_len * 4);
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if(gpenum < (sc->facp_body->gpe0_len * 4)){
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*gpemask0 |= (1 << gpenum);
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@ -1218,7 +1240,7 @@ static int acpi_set_gpe_bits(struct aml_name *name,va_list ap)
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*gpemask1 |= (1 << (gpenum - sc->facp_body->gpe1_base));
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}
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}
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ACPI_DEVPRINTF("GPEMASK %x %x\n", *gpemask0, *gpemask1);
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ACPI_DEBUGPRINT("GPEMASK %x %x\n", *gpemask0, *gpemask1);
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return 0;
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}
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@ -1303,9 +1325,8 @@ static int
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acpiioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc * p)
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{
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int error, state;
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acpi_softc_t *sc;
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acpi_softc_t *sc = (struct acpi_softc *)dev->si_drv1;
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sc = acpi_get_softc(dev);
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error = 0;
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if (sc == NULL) {
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@ -1343,9 +1364,8 @@ acpiioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc * p)
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static int
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acpimmap(dev_t dev, vm_offset_t offset, int nprot)
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{
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acpi_softc_t *sc;
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acpi_softc_t *sc = (struct acpi_softc *)dev->si_drv1;
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sc = acpi_get_softc(dev);
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if (sc == NULL) {
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return (EINVAL);
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}
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@ -1359,13 +1379,6 @@ acpimmap(dev_t dev, vm_offset_t offset, int nprot)
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static devclass_t acpi_devclass;
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static acpi_softc_t *
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acpi_get_softc(dev_t dev)
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{
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return (devclass_get_softc(acpi_devclass, minor(dev)));
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}
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static int
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acpi_send_pm_event(acpi_softc_t *sc, u_int8_t state)
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{
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@ -1396,22 +1409,39 @@ acpi_identify(driver_t *driver, device_t parent)
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{
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device_t child;
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child = BUS_ADD_CHILD(parent, 101, "acpi", 0); /* after pcib(100) */
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/*
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* If the MD code hasn't detected an RSDT, or there has already
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* been an 'acpi' device instantiated, give up now.
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*/
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if ((acpi_rsdp == NULL) || (device_find_child(parent, "acpi", 0)))
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return;
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if (child == NULL) {
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panic("acpi_identify");
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/*
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* Handle enough of the RSDT to work out what our I/O resources
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* are.
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*/
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acpi_pmap_init();
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if (acpi_handle_rsdt(NULL))
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return;
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/*
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* Create the device and establish its resources.
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*/
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if ((child = BUS_ADD_CHILD(parent, 101, "acpi", 0)) == NULL) {
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device_printf(parent, "could not attach ACPI\n");
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return;
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}
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if (acpi_port != 0)
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bus_set_resource(child, SYS_RES_IOPORT, 0, acpi_port, 1);
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if (acpi_irq != 0)
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bus_set_resource(child, SYS_RES_IRQ, 0, acpi_irq, 1);
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}
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static int
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acpi_probe(device_t dev)
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{
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int debug;
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static char oemstring[7];
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if (acpi_rsdp == NULL) {
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return (ENXIO);
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}
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int debug;
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char oemstring[7];
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/* get debug variables specified in loader. */
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if (getenv_int("debug.acpi_debug", &debug)) {
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@ -1425,62 +1455,51 @@ acpi_probe(device_t dev)
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strncpy(oemstring, acpi_rsdp->oem, sizeof(acpi_rsdp->oem));
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ACPI_DEBUGPRINT("Found ACPI BIOS data at %p (<%s>, RSDT@%x)\n",
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acpi_rsdp, oemstring, acpi_rsdp->addr);
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acpi_rsdp, oemstring, acpi_rsdp->addr);
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device_set_desc(dev, oemstring);
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device_set_desc_copy(dev, oemstring);
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return (0);
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}
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static int
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acpi_attach(device_t dev)
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{
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int rid_port, rid_irq;
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int port, irq;
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int err;
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void *ih;
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acpi_softc_t *sc;
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struct resource *res_port, *res_irq;
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/*
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* Set up the softc and parse the ACPI data completely.
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*/
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sc = device_get_softc(dev);
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acpi_pmap_init();
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sc->dev = dev;
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if (acpi_handle_rsdt(sc) != 0) {
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acpi_free(sc);
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return (ENXIO);
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}
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STAILQ_INIT(&sc->event);
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/* Allocate the port range and interrupt */
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port = sc->facp_body->smi_cmd;
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rid_port = 0;
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res_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid_port,
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port, port, 1, RF_ACTIVE);
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if (res_port == NULL) {
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/*
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* Allocate our resources
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*/
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sc->port_rid = 0;
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if ((sc->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
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0, ~0, 1, RF_ACTIVE)) == NULL) {
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ACPI_DEVPRINTF("could not allocate port\n");
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acpi_pmap_release();
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return (ENOMEM);
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acpi_free(sc);
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return(ENOMEM);
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}
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irq = sc->facp_body->sci_int;
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rid_irq = 0;
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res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid_irq,
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irq, irq, 1, RF_SHAREABLE | RF_ACTIVE);
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if (res_irq == NULL) {
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ACPI_DEVPRINTF("could not get resource for irq\n");
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bus_release_resource(dev, SYS_RES_IOPORT, rid_port, res_port);
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acpi_pmap_release();
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return (ENOMEM);
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sc->irq_rid = 0;
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if ((sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
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0, ~0, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
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ACPI_DEVPRINTF("could not allocate interrupt\n");
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acpi_free(sc);
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return(ENOMEM);
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}
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err = bus_setup_intr(dev, res_irq, INTR_TYPE_MISC,
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(driver_intr_t *) acpi_intr, sc, &ih);
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if (err) {
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ACPI_DEVPRINTF("could not setup irq, %d\n", err);
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bus_release_resource(dev, SYS_RES_IOPORT, rid_port, res_port);
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bus_release_resource(dev, SYS_RES_IRQ, rid_irq, res_irq);
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acpi_pmap_release();
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return (err);
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if (bus_setup_intr(dev, sc->irq, INTR_TYPE_MISC, acpi_intr, sc, &sc->irq_handle)) {
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ACPI_DEVPRINTF("could not set up irq\n");
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acpi_free(sc);
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return(ENXIO);
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}
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ACPI_DEVPRINTF("at 0x%x irq %d\n", port, irq);
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/* initialise the event queue */
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STAILQ_INIT(&sc->event);
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#ifndef ACPI_NO_ENABLE_ON_BOOT
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acpi_enable_disable(sc, 1);
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@ -1488,20 +1507,52 @@ acpi_attach(device_t dev)
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acpi_intr((void *)sc);
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#endif
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acpi_powerres_init(sc);
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if (acpi_debug) {
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acpi_powerres_debug(sc);
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}
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EVENTHANDLER_REGISTER(shutdown_final, acpi_soft_off, sc,
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SHUTDOWN_PRI_LAST);
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EVENTHANDLER_REGISTER(shutdown_final, acpi_soft_off, sc, SHUTDOWN_PRI_LAST);
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acpi_pmap_release();
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make_dev(&acpi_cdevsw, 0, 0, 5, 0660, "acpi");
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sc->dev_t = make_dev(&acpi_cdevsw, 0, 0, 5, 0660, "acpi");
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sc->dev_t->si_drv1 = sc;
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/*
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* Probe/attach children now that the AML has been parsed.
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*/
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bus_generic_probe(dev);
|
||||
bus_generic_attach(dev);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
acpi_detach(device_t dev)
|
||||
{
|
||||
struct acpi_softc *sc = device_get_softc(dev);
|
||||
|
||||
/* acpi_disable_events(sc); */
|
||||
acpi_enable_disable(sc, 0);
|
||||
acpi_free(sc);
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
static void
|
||||
acpi_free(struct acpi_softc *sc)
|
||||
{
|
||||
if (sc->port != NULL)
|
||||
bus_release_resource(sc->dev, SYS_RES_IOPORT, sc->port_rid, sc->port);
|
||||
if (sc->irq_handle != NULL)
|
||||
bus_teardown_intr(sc->dev, sc->irq, sc->irq_handle);
|
||||
if (sc->irq != NULL)
|
||||
bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
|
||||
acpi_pmap_release();
|
||||
}
|
||||
|
||||
static int
|
||||
acpi_resume(device_t dev)
|
||||
{
|
||||
|
|
@ -1518,10 +1569,15 @@ acpi_resume(device_t dev)
|
|||
|
||||
static device_method_t acpi_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_identify, acpi_identify),
|
||||
DEVMETHOD(device_probe, acpi_probe),
|
||||
DEVMETHOD(device_attach, acpi_attach),
|
||||
DEVMETHOD(device_resume, acpi_resume),
|
||||
DEVMETHOD(device_identify, acpi_identify),
|
||||
DEVMETHOD(device_probe, acpi_probe),
|
||||
DEVMETHOD(device_attach, acpi_attach),
|
||||
DEVMETHOD(device_resume, acpi_resume),
|
||||
DEVMETHOD(device_detach, acpi_detach),
|
||||
|
||||
/* Bus interface */
|
||||
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
||||
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
|
||||
|
||||
{0, 0}
|
||||
};
|
||||
|
|
@ -1538,14 +1594,14 @@ DRIVER_MODULE(acpi, nexus, acpi_driver, acpi_devclass, 0, 0);
|
|||
*This part is mostly stolen from NEWCARD pcic code.
|
||||
*/
|
||||
|
||||
void acpi_queue_event(int type,int arg)
|
||||
void acpi_queue_event(acpi_softc_t *sc, int type, int arg)
|
||||
{
|
||||
struct acpi_event *ae;
|
||||
int s;
|
||||
acpi_softc_t *sc = devclass_get_softc(acpi_devclass, 0);
|
||||
|
||||
ae = malloc(sizeof(*ae), M_TEMP, M_NOWAIT);
|
||||
if(ae == NULL)
|
||||
panic("acpi_queue_event; can't allocate event");
|
||||
panic("acpi_queue_event: can't allocate event");
|
||||
|
||||
ae->ae_type = type;
|
||||
ae->ae_arg = arg;
|
||||
|
|
@ -1590,12 +1646,12 @@ void acpi_event_thread(void *arg)
|
|||
s=splhigh();
|
||||
if((ae->ae_arg < gpe1_base) || (gpe1_base == 0)){
|
||||
bit = 1 << ae->ae_arg;
|
||||
ACPI_DEVPRINTF("GPE0%x\n", bit);
|
||||
ACPI_DEBUGPRINT("GPE0%x\n", bit);
|
||||
acpi_io_gpe0_status(sc, ACPI_REGISTERS_OUTPUT,
|
||||
&bit);
|
||||
acpi_io_gpe0_enable(sc, ACPI_REGISTERS_INPUT,
|
||||
&status);
|
||||
ACPI_DEVPRINTF("GPE0%x\n", status);
|
||||
ACPI_DEBUGPRINT("GPE0%x\n", status);
|
||||
status |= bit;
|
||||
acpi_io_gpe0_enable(sc, ACPI_REGISTERS_OUTPUT,
|
||||
&status);
|
||||
|
|
@ -1621,7 +1677,7 @@ void acpi_start_threads(void *arg)
|
|||
{
|
||||
acpi_softc_t *sc = devclass_get_softc(acpi_devclass, 0);
|
||||
device_t dev = devclass_get_device(acpi_devclass, 0);
|
||||
ACPI_DEVPRINTF("START Thread\n");
|
||||
ACPI_DEBUGPRINT("start thread\n");
|
||||
if(kthread_create(acpi_event_thread, sc, &sc->acpi_thread, 0, "acpi")){
|
||||
ACPI_DEVPRINTF("CANNOT CREATE THREAD\n");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -86,6 +86,15 @@ struct acpi_event {
|
|||
|
||||
/* softc */
|
||||
typedef struct acpi_softc {
|
||||
device_t dev;
|
||||
dev_t dev_t;
|
||||
|
||||
struct resource *port;
|
||||
int port_rid;
|
||||
struct resource *irq;
|
||||
int irq_rid;
|
||||
void *irq_handle;
|
||||
|
||||
struct ACPIsdt *rsdt;
|
||||
struct ACPIsdt *facp;
|
||||
struct FACPbody *facp_body;
|
||||
|
|
@ -124,5 +133,5 @@ void acpi_powerres_set_sleeping_state(acpi_softc_t *, u_int8_t);
|
|||
void acpi_gpe_enable_bit(acpi_softc_t *, u_int32_t, boolean_t);
|
||||
|
||||
/*Event queue*/
|
||||
void acpi_queue_event(int, int);
|
||||
void acpi_queue_event(acpi_softc_t *, int, int);
|
||||
#endif /* !_DEV_ACPI_ACPI_H_ */
|
||||
|
|
|
|||
|
|
@ -31,6 +31,7 @@
|
|||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/bus.h>
|
||||
|
||||
#include <sys/acpi.h>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue