/*- * Copyright (c) 2000 Michael Smith * Copyright (c) 2000 BSDi * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: head/sys/dev/acpica/acpi_resource.c 69744 2000-12-08 09:16:20Z msmith $ */ #include "opt_acpi.h" #include #include #include #include #include #include "acpi.h" #include /* * Hooks for the ACPI CA debugging infrastructure */ #define _COMPONENT BUS_MANAGER MODULE_NAME("RESOURCE") /* * Fetch a device's resources and associate them with the device. * * Note that it might be nice to also locate ACPI-specific resource items, such * as GPE bits. */ ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, struct acpi_parse_resource_set *set) { ACPI_BUFFER buf; RESOURCE *res; char *curr, *last; ACPI_STATUS status; int i; void *context; FUNCTION_TRACE(__FUNCTION__); /* * Fetch the device resources */ if (((status = acpi_GetIntoBuffer(handle, AcpiGetPossibleResources, &buf)) != AE_OK) && ((status = acpi_GetIntoBuffer(handle, AcpiGetCurrentResources, &buf)) != AE_OK)) { device_printf(dev, "can't fetch ACPI resources - %s\n", acpi_strerror(status)); return_ACPI_STATUS(status); } DEBUG_PRINT(TRACE_RESOURCES, ("got %d bytes of resources\n", buf.Length)); set->set_init(dev, &context); /* * Iterate through the resources */ curr = buf.Pointer; last = (char *)buf.Pointer + buf.Length; while (curr < last) { res = (RESOURCE *)curr; curr += res->Length; /* * Handle the individual resource types */ switch(res->Id) { case EndTag: DEBUG_PRINT(TRACE_RESOURCES, ("EndTag\n")); curr = last; break; case FixedIo: DEBUG_PRINT(TRACE_RESOURCES, ("FixedIo 0x%x/%d\n", res->Data.FixedIo.BaseAddress, res->Data.FixedIo.RangeLength)); set->set_ioport(dev, context, res->Data.FixedIo.BaseAddress, res->Data.FixedIo.RangeLength); break; case Io: if (res->Data.Io.MinBaseAddress == res->Data.Io.MaxBaseAddress) { DEBUG_PRINT(TRACE_RESOURCES, ("Io 0x%x/%d\n", res->Data.Io.MinBaseAddress, res->Data.Io.RangeLength)); set->set_ioport(dev, context, res->Data.Io.MinBaseAddress, res->Data.Io.RangeLength); } else { DEBUG_PRINT(TRACE_RESOURCES, ("Io 0x%x-0x%x/%d\n", res->Data.Io.MinBaseAddress, res->Data.Io.MaxBaseAddress, res->Data.Io.RangeLength)); set->set_iorange(dev, context, res->Data.Io.MinBaseAddress, res->Data.Io.MaxBaseAddress, res->Data.Io.RangeLength, res->Data.Io.Alignment); } break; case FixedMemory32: DEBUG_PRINT(TRACE_RESOURCES, ("FixedMemory32 0x%x/%d\n", res->Data.FixedMemory32.RangeBaseAddress, res->Data.FixedMemory32.RangeLength)); set->set_memory(dev, context, res->Data.FixedMemory32.RangeBaseAddress, res->Data.FixedMemory32.RangeLength); break; case Memory32: if (res->Data.Memory32.MinBaseAddress == res->Data.Memory32.MaxBaseAddress) { DEBUG_PRINT(TRACE_RESOURCES, ("Memory32 0x%x/%d\n", res->Data.Memory32.MinBaseAddress, res->Data.Memory32.RangeLength)); set->set_memory(dev, context, res->Data.Memory32.MinBaseAddress, res->Data.Memory32.RangeLength); } else { DEBUG_PRINT(TRACE_RESOURCES, ("Memory32 0x%x-0x%x/%d\n", res->Data.Memory32.MinBaseAddress, res->Data.Memory32.MaxBaseAddress, res->Data.Memory32.RangeLength)); set->set_memoryrange(dev, context, res->Data.Memory32.MinBaseAddress, res->Data.Memory32.MaxBaseAddress, res->Data.Memory32.RangeLength, res->Data.Memory32.Alignment); } break; case Memory24: if (res->Data.Memory24.MinBaseAddress == res->Data.Memory24.MaxBaseAddress) { DEBUG_PRINT(TRACE_RESOURCES, ("Memory24 0x%x/%d\n", res->Data.Memory24.MinBaseAddress, res->Data.Memory24.RangeLength)); set->set_memory(dev, context, res->Data.Memory24.MinBaseAddress, res->Data.Memory24.RangeLength); } else { DEBUG_PRINT(TRACE_RESOURCES, ("Memory24 0x%x-0x%x/%d\n", res->Data.Memory24.MinBaseAddress, res->Data.Memory24.MaxBaseAddress, res->Data.Memory24.RangeLength)); set->set_memoryrange(dev, context, res->Data.Memory24.MinBaseAddress, res->Data.Memory24.MaxBaseAddress, res->Data.Memory24.RangeLength, res->Data.Memory24.Alignment); } break; case Irq: for (i = 0; i < res->Data.Irq.NumberOfInterrupts; i++) { DEBUG_PRINT(TRACE_RESOURCES, ("Irq %d\n", res->Data.Irq.Interrupts[i])); set->set_irq(dev, context, res->Data.Irq.Interrupts[i]); } break; case Dma: for (i = 0; i < res->Data.Dma.NumberOfChannels; i++) { DEBUG_PRINT(TRACE_RESOURCES, ("Drq %d\n", res->Data.Dma.Channels[i])); set->set_drq(dev, context, res->Data.Dma.Channels[i]); } break; case StartDependentFunctions: DEBUG_PRINT(TRACE_RESOURCES, ("start dependant functions")); set->set_start_dependant(dev, context, res->Data.StartDependentFunctions.CompatibilityPriority); break; case EndDependentFunctions: DEBUG_PRINT(TRACE_RESOURCES, ("end dependant functions")); set->set_end_dependant(dev, context); break; case Address32: DEBUG_PRINT(TRACE_RESOURCES, ("unimplemented Address32 resource\n")); break; case Address16: DEBUG_PRINT(TRACE_RESOURCES, ("unimplemented Address16 resource\n")); break; case ExtendedIrq: DEBUG_PRINT(TRACE_RESOURCES, ("unimplemented ExtendedIrq resource\n")); break; case VendorSpecific: DEBUG_PRINT(TRACE_RESOURCES, ("unimplemented VendorSpecific resource\n")); break; default: break; } } AcpiOsFree(buf.Pointer); set->set_done(dev, context); return_ACPI_STATUS(AE_OK); } static void acpi_res_set_init(device_t dev, void **context); static void acpi_res_set_done(device_t dev, void *context); static void acpi_res_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length); static void acpi_res_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align); static void acpi_res_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length); static void acpi_res_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align); static void acpi_res_set_irq(device_t dev, void *context, u_int32_t irq); static void acpi_res_set_drq(device_t dev, void *context, u_int32_t drq); static void acpi_res_set_start_dependant(device_t dev, void *context, int preference); static void acpi_res_set_end_dependant(device_t dev, void *context); struct acpi_parse_resource_set acpi_res_parse_set = { acpi_res_set_init, acpi_res_set_done, acpi_res_set_ioport, acpi_res_set_iorange, acpi_res_set_memory, acpi_res_set_memoryrange, acpi_res_set_irq, acpi_res_set_drq, acpi_res_set_start_dependant, acpi_res_set_end_dependant }; struct acpi_res_context { int ar_nio; int ar_nmem; int ar_nirq; }; static void acpi_res_set_init(device_t dev, void **context) { struct acpi_res_context *cp; if ((cp = AcpiOsAllocate(sizeof(*cp))) != NULL) { bzero(cp, sizeof(*cp)); *context = cp; } } static void acpi_res_set_done(device_t dev, void *context) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; AcpiOsFree(cp); } static void acpi_res_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; bus_set_resource(dev, SYS_RES_IOPORT, cp->ar_nio++, base, length); } static void acpi_res_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; device_printf(dev, "I/O range not supported\n"); } static void acpi_res_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; bus_set_resource(dev, SYS_RES_MEMORY, cp->ar_nmem++, base, length); } static void acpi_res_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; device_printf(dev, "memory range not supported\n"); } static void acpi_res_set_irq(device_t dev, void *context, u_int32_t irq) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; bus_set_resource(dev, SYS_RES_IRQ, cp->ar_nirq++, irq, 1); } static void acpi_res_set_drq(device_t dev, void *context, u_int32_t drq) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; device_printf(dev, "DRQ not supported\n"); } static void acpi_res_set_start_dependant(device_t dev, void *context, int preference) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; device_printf(dev, "dependant functions not supported"); } static void acpi_res_set_end_dependant(device_t dev, void *context) { struct acpi_res_context *cp = (struct acpi_res_context *)context; if (cp == NULL) return; }