*
* Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr>
* Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com>
- *
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/pci.h>
+#include <linux/pnp.h>
+#include <linux/slab.h>
+#include "../base.h"
#include "pnpacpi.h"
#ifdef CONFIG_IA64
/*
* Allocated Resources
*/
-static int irq_flags(int edge_level, int active_high_low)
+static int irq_flags(int triggering, int polarity, int shareable)
{
- int flag;
- if (edge_level == ACPI_LEVEL_SENSITIVE) {
- if(active_high_low == ACPI_ACTIVE_LOW)
- flag = IORESOURCE_IRQ_LOWLEVEL;
+ int flags;
+
+ if (triggering == ACPI_LEVEL_SENSITIVE) {
+ if (polarity == ACPI_ACTIVE_LOW)
+ flags = IORESOURCE_IRQ_LOWLEVEL;
else
- flag = IORESOURCE_IRQ_HIGHLEVEL;
- }
- else {
- if(active_high_low == ACPI_ACTIVE_LOW)
- flag = IORESOURCE_IRQ_LOWEDGE;
+ flags = IORESOURCE_IRQ_HIGHLEVEL;
+ } else {
+ if (polarity == ACPI_ACTIVE_LOW)
+ flags = IORESOURCE_IRQ_LOWEDGE;
else
- flag = IORESOURCE_IRQ_HIGHEDGE;
+ flags = IORESOURCE_IRQ_HIGHEDGE;
}
- return flag;
+
+ if (shareable == ACPI_SHARED)
+ flags |= IORESOURCE_IRQ_SHAREABLE;
+
+ return flags;
}
-static void decode_irq_flags(int flag, int *edge_level, int *active_high_low)
+static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
+ int *polarity, int *shareable)
{
- switch (flag) {
+ switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL |
+ IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) {
case IORESOURCE_IRQ_LOWLEVEL:
- *edge_level = ACPI_LEVEL_SENSITIVE;
- *active_high_low = ACPI_ACTIVE_LOW;
+ *triggering = ACPI_LEVEL_SENSITIVE;
+ *polarity = ACPI_ACTIVE_LOW;
break;
- case IORESOURCE_IRQ_HIGHLEVEL:
- *edge_level = ACPI_LEVEL_SENSITIVE;
- *active_high_low = ACPI_ACTIVE_HIGH;
+ case IORESOURCE_IRQ_HIGHLEVEL:
+ *triggering = ACPI_LEVEL_SENSITIVE;
+ *polarity = ACPI_ACTIVE_HIGH;
break;
case IORESOURCE_IRQ_LOWEDGE:
- *edge_level = ACPI_EDGE_SENSITIVE;
- *active_high_low = ACPI_ACTIVE_LOW;
+ *triggering = ACPI_EDGE_SENSITIVE;
+ *polarity = ACPI_ACTIVE_LOW;
break;
case IORESOURCE_IRQ_HIGHEDGE:
- *edge_level = ACPI_EDGE_SENSITIVE;
- *active_high_low = ACPI_ACTIVE_HIGH;
+ *triggering = ACPI_EDGE_SENSITIVE;
+ *polarity = ACPI_ACTIVE_HIGH;
+ break;
+ default:
+ dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n",
+ flags);
+ *triggering = ACPI_EDGE_SENSITIVE;
+ *polarity = ACPI_ACTIVE_HIGH;
break;
}
+
+ if (flags & IORESOURCE_IRQ_SHAREABLE)
+ *shareable = ACPI_SHARED;
+ else
+ *shareable = ACPI_EXCLUSIVE;
}
-static void
-pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, int irq)
+static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
+ u32 gsi, int triggering,
+ int polarity, int shareable)
{
- int i = 0;
- while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
- i < PNP_MAX_IRQ)
- i++;
- if (i < PNP_MAX_IRQ) {
- res->irq_resource[i].flags = IORESOURCE_IRQ; //Also clears _UNSET flag
- if (irq == -1) {
- res->irq_resource[i].flags |= IORESOURCE_DISABLED;
- return;
+ int irq, flags;
+ int p, t;
+
+ if (!valid_IRQ(gsi)) {
+ pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED);
+ return;
+ }
+
+ /*
+ * in IO-APIC mode, use overrided attribute. Two reasons:
+ * 1. BIOS bug in DSDT
+ * 2. BIOS uses IO-APIC mode Interrupt Source Override
+ */
+ if (!acpi_get_override_irq(gsi, &t, &p)) {
+ t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
+ p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
+
+ if (triggering != t || polarity != p) {
+ dev_warn(&dev->dev, "IRQ %d override to %s, %s\n",
+ gsi, t ? "edge":"level", p ? "low":"high");
+ triggering = t;
+ polarity = p;
}
- res->irq_resource[i].start =(unsigned long) irq;
- res->irq_resource[i].end = (unsigned long) irq;
}
+
+ flags = irq_flags(triggering, polarity, shareable);
+ irq = acpi_register_gsi(&dev->dev, gsi, triggering, polarity);
+ if (irq >= 0)
+ pcibios_penalize_isa_irq(irq, 1);
+ else
+ flags |= IORESOURCE_DISABLED;
+
+ pnp_add_irq_resource(dev, irq, flags);
}
-static void
-pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma)
+static int dma_flags(struct pnp_dev *dev, int type, int bus_master,
+ int transfer)
{
- int i = 0;
- while (i < PNP_MAX_DMA &&
- !(res->dma_resource[i].flags & IORESOURCE_UNSET))
- i++;
- if (i < PNP_MAX_DMA) {
- res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag
- if (dma == -1) {
- res->dma_resource[i].flags |= IORESOURCE_DISABLED;
- return;
- }
- res->dma_resource[i].start =(unsigned long) dma;
- res->dma_resource[i].end = (unsigned long) dma;
+ int flags = 0;
+
+ if (bus_master)
+ flags |= IORESOURCE_DMA_MASTER;
+ switch (type) {
+ case ACPI_COMPATIBILITY:
+ flags |= IORESOURCE_DMA_COMPATIBLE;
+ break;
+ case ACPI_TYPE_A:
+ flags |= IORESOURCE_DMA_TYPEA;
+ break;
+ case ACPI_TYPE_B:
+ flags |= IORESOURCE_DMA_TYPEB;
+ break;
+ case ACPI_TYPE_F:
+ flags |= IORESOURCE_DMA_TYPEF;
+ break;
+ default:
+ /* Set a default value ? */
+ flags |= IORESOURCE_DMA_COMPATIBLE;
+ dev_err(&dev->dev, "invalid DMA type %d\n", type);
+ }
+ switch (transfer) {
+ case ACPI_TRANSFER_8:
+ flags |= IORESOURCE_DMA_8BIT;
+ break;
+ case ACPI_TRANSFER_8_16:
+ flags |= IORESOURCE_DMA_8AND16BIT;
+ break;
+ case ACPI_TRANSFER_16:
+ flags |= IORESOURCE_DMA_16BIT;
+ break;
+ default:
+ /* Set a default value ? */
+ flags |= IORESOURCE_DMA_8AND16BIT;
+ dev_err(&dev->dev, "invalid DMA transfer type %d\n", transfer);
}
+
+ return flags;
}
-static void
-pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
- int io, int len)
+static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
+ u64 len, int io_decode,
+ int window)
{
- int i = 0;
- while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
- i < PNP_MAX_PORT)
- i++;
- if (i < PNP_MAX_PORT) {
- res->port_resource[i].flags = IORESOURCE_IO; // Also clears _UNSET flag
- if (len <= 0 || (io + len -1) >= 0x10003) {
- res->port_resource[i].flags |= IORESOURCE_DISABLED;
- return;
+ int flags = 0;
+ u64 end = start + len - 1;
+
+ if (io_decode == ACPI_DECODE_16)
+ flags |= IORESOURCE_IO_16BIT_ADDR;
+ if (len == 0 || end >= 0x10003)
+ flags |= IORESOURCE_DISABLED;
+ if (window)
+ flags |= IORESOURCE_WINDOW;
+
+ pnp_add_io_resource(dev, start, end, flags);
+}
+
+/*
+ * Device CSRs that do not appear in PCI config space should be described
+ * via ACPI. This would normally be done with Address Space Descriptors
+ * marked as "consumer-only," but old versions of Windows and Linux ignore
+ * the producer/consumer flag, so HP invented a vendor-defined resource to
+ * describe the location and size of CSR space.
+ */
+static struct acpi_vendor_uuid hp_ccsr_uuid = {
+ .subtype = 2,
+ .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a,
+ 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad },
+};
+
+static int vendor_resource_matches(struct pnp_dev *dev,
+ struct acpi_resource_vendor_typed *vendor,
+ struct acpi_vendor_uuid *match,
+ int expected_len)
+{
+ int uuid_len = sizeof(vendor->uuid);
+ u8 uuid_subtype = vendor->uuid_subtype;
+ u8 *uuid = vendor->uuid;
+ int actual_len;
+
+ /* byte_length includes uuid_subtype and uuid */
+ actual_len = vendor->byte_length - uuid_len - 1;
+
+ if (uuid_subtype == match->subtype &&
+ uuid_len == sizeof(match->data) &&
+ memcmp(uuid, match->data, uuid_len) == 0) {
+ if (expected_len && expected_len != actual_len) {
+ dev_err(&dev->dev, "wrong vendor descriptor size; "
+ "expected %d, found %d bytes\n",
+ expected_len, actual_len);
+ return 0;
}
- res->port_resource[i].start = (unsigned long) io;
- res->port_resource[i].end = (unsigned long)(io + len - 1);
+
+ return 1;
}
+
+ return 0;
}
-static void
-pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
- int mem, int len)
+static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
+ struct acpi_resource_vendor_typed *vendor)
{
- int i = 0;
- while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) &&
- (i < PNP_MAX_MEM))
- i++;
- if (i < PNP_MAX_MEM) {
- res->mem_resource[i].flags = IORESOURCE_MEM; // Also clears _UNSET flag
- if (len <= 0) {
- res->mem_resource[i].flags |= IORESOURCE_DISABLED;
- return;
- }
- res->mem_resource[i].start = (unsigned long) mem;
- res->mem_resource[i].end = (unsigned long)(mem + len - 1);
+ if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
+ u64 start, length;
+
+ memcpy(&start, vendor->byte_data, sizeof(start));
+ memcpy(&length, vendor->byte_data + 8, sizeof(length));
+
+ pnp_add_mem_resource(dev, start, start + length - 1, 0);
}
}
+static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
+ u64 start, u64 len,
+ int write_protect, int window)
+{
+ int flags = 0;
+ u64 end = start + len - 1;
+
+ if (len == 0)
+ flags |= IORESOURCE_DISABLED;
+ if (write_protect == ACPI_READ_WRITE_MEMORY)
+ flags |= IORESOURCE_MEM_WRITEABLE;
+ if (window)
+ flags |= IORESOURCE_WINDOW;
+
+ pnp_add_mem_resource(dev, start, end, flags);
+}
+
+static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
+ u64 start, u64 len)
+{
+ u64 end = start + len - 1;
+
+ pnp_add_bus_resource(dev, start, end);
+}
+
+static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
+ struct acpi_resource *res)
+{
+ struct acpi_resource_address64 addr, *p = &addr;
+ acpi_status status;
+ int window;
+ u64 len;
+
+ status = acpi_resource_to_address64(res, p);
+ if (!ACPI_SUCCESS(status)) {
+ dev_warn(&dev->dev, "failed to convert resource type %d\n",
+ res->type);
+ return;
+ }
+
+ /* Windows apparently computes length rather than using _LEN */
+ len = p->maximum - p->minimum + 1;
+ window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
+
+ if (p->resource_type == ACPI_MEMORY_RANGE)
+ pnpacpi_parse_allocated_memresource(dev, p->minimum, len,
+ p->info.mem.write_protect, window);
+ else if (p->resource_type == ACPI_IO_RANGE)
+ pnpacpi_parse_allocated_ioresource(dev, p->minimum, len,
+ p->granularity == 0xfff ? ACPI_DECODE_10 :
+ ACPI_DECODE_16, window);
+ else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
+ pnpacpi_parse_allocated_busresource(dev, p->minimum, len);
+}
+
+static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
+ struct acpi_resource *res)
+{
+ struct acpi_resource_extended_address64 *p = &res->data.ext_address64;
+ int window;
+ u64 len;
+
+ /* Windows apparently computes length rather than using _LEN */
+ len = p->maximum - p->minimum + 1;
+ window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
+
+ if (p->resource_type == ACPI_MEMORY_RANGE)
+ pnpacpi_parse_allocated_memresource(dev, p->minimum, len,
+ p->info.mem.write_protect, window);
+ else if (p->resource_type == ACPI_IO_RANGE)
+ pnpacpi_parse_allocated_ioresource(dev, p->minimum, len,
+ p->granularity == 0xfff ? ACPI_DECODE_10 :
+ ACPI_DECODE_16, window);
+ else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
+ pnpacpi_parse_allocated_busresource(dev, p->minimum, len);
+}
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
- void *data)
-{
- struct pnp_resource_table * res_table = (struct pnp_resource_table *)data;
-
- switch (res->id) {
- case ACPI_RSTYPE_IRQ:
- if ((res->data.irq.number_of_interrupts > 0) &&
- valid_IRQ(res->data.irq.interrupts[0])) {
- pnpacpi_parse_allocated_irqresource(res_table,
- acpi_register_gsi(res->data.irq.interrupts[0],
- res->data.irq.edge_level,
- res->data.irq.active_high_low));
- pcibios_penalize_isa_irq(res->data.irq.interrupts[0]);
+ void *data)
+{
+ struct pnp_dev *dev = data;
+ struct acpi_resource_irq *irq;
+ struct acpi_resource_dma *dma;
+ struct acpi_resource_io *io;
+ struct acpi_resource_fixed_io *fixed_io;
+ struct acpi_resource_vendor_typed *vendor_typed;
+ struct acpi_resource_memory24 *memory24;
+ struct acpi_resource_memory32 *memory32;
+ struct acpi_resource_fixed_memory32 *fixed_memory32;
+ struct acpi_resource_extended_irq *extended_irq;
+ int i, flags;
+
+ switch (res->type) {
+ case ACPI_RESOURCE_TYPE_IRQ:
+ /*
+ * Per spec, only one interrupt per descriptor is allowed in
+ * _CRS, but some firmware violates this, so parse them all.
+ */
+ irq = &res->data.irq;
+ if (irq->interrupt_count == 0)
+ pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
+ else {
+ for (i = 0; i < irq->interrupt_count; i++) {
+ pnpacpi_parse_allocated_irqresource(dev,
+ irq->interrupts[i],
+ irq->triggering,
+ irq->polarity,
+ irq->sharable);
+ }
+
+ /*
+ * The IRQ encoder puts a single interrupt in each
+ * descriptor, so if a _CRS descriptor has more than
+ * one interrupt, we won't be able to re-encode it.
+ */
+ if (pnp_can_write(dev) && irq->interrupt_count > 1) {
+ dev_warn(&dev->dev, "multiple interrupts in "
+ "_CRS descriptor; configuration can't "
+ "be changed\n");
+ dev->capabilities &= ~PNP_WRITE;
+ }
}
break;
- case ACPI_RSTYPE_EXT_IRQ:
- if ((res->data.extended_irq.number_of_interrupts > 0) &&
- valid_IRQ(res->data.extended_irq.interrupts[0])) {
- pnpacpi_parse_allocated_irqresource(res_table,
- acpi_register_gsi(res->data.extended_irq.interrupts[0],
- res->data.extended_irq.edge_level,
- res->data.extended_irq.active_high_low));
- pcibios_penalize_isa_irq(res->data.extended_irq.interrupts[0]);
+ case ACPI_RESOURCE_TYPE_DMA:
+ dma = &res->data.dma;
+ if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
+ flags = dma_flags(dev, dma->type, dma->bus_master,
+ dma->transfer);
+ else
+ flags = IORESOURCE_DISABLED;
+ pnp_add_dma_resource(dev, dma->channels[0], flags);
+ break;
+
+ case ACPI_RESOURCE_TYPE_IO:
+ io = &res->data.io;
+ pnpacpi_parse_allocated_ioresource(dev,
+ io->minimum,
+ io->address_length,
+ io->io_decode, 0);
+ break;
+
+ case ACPI_RESOURCE_TYPE_START_DEPENDENT:
+ case ACPI_RESOURCE_TYPE_END_DEPENDENT:
+ break;
+
+ case ACPI_RESOURCE_TYPE_FIXED_IO:
+ fixed_io = &res->data.fixed_io;
+ pnpacpi_parse_allocated_ioresource(dev,
+ fixed_io->address,
+ fixed_io->address_length,
+ ACPI_DECODE_10, 0);
+ break;
+
+ case ACPI_RESOURCE_TYPE_VENDOR:
+ vendor_typed = &res->data.vendor_typed;
+ pnpacpi_parse_allocated_vendor(dev, vendor_typed);
+ break;
+
+ case ACPI_RESOURCE_TYPE_END_TAG:
+ break;
+
+ case ACPI_RESOURCE_TYPE_MEMORY24:
+ memory24 = &res->data.memory24;
+ pnpacpi_parse_allocated_memresource(dev,
+ memory24->minimum,
+ memory24->address_length,
+ memory24->write_protect, 0);
+ break;
+ case ACPI_RESOURCE_TYPE_MEMORY32:
+ memory32 = &res->data.memory32;
+ pnpacpi_parse_allocated_memresource(dev,
+ memory32->minimum,
+ memory32->address_length,
+ memory32->write_protect, 0);
+ break;
+ case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
+ fixed_memory32 = &res->data.fixed_memory32;
+ pnpacpi_parse_allocated_memresource(dev,
+ fixed_memory32->address,
+ fixed_memory32->address_length,
+ fixed_memory32->write_protect, 0);
+ break;
+ case ACPI_RESOURCE_TYPE_ADDRESS16:
+ case ACPI_RESOURCE_TYPE_ADDRESS32:
+ case ACPI_RESOURCE_TYPE_ADDRESS64:
+ pnpacpi_parse_allocated_address_space(dev, res);
+ break;
+
+ case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
+ pnpacpi_parse_allocated_ext_address_space(dev, res);
+ break;
+
+ case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ extended_irq = &res->data.extended_irq;
+
+ if (extended_irq->interrupt_count == 0)
+ pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED);
+ else {
+ for (i = 0; i < extended_irq->interrupt_count; i++) {
+ pnpacpi_parse_allocated_irqresource(dev,
+ extended_irq->interrupts[i],
+ extended_irq->triggering,
+ extended_irq->polarity,
+ extended_irq->sharable);
+ }
+
+ /*
+ * The IRQ encoder puts a single interrupt in each
+ * descriptor, so if a _CRS descriptor has more than
+ * one interrupt, we won't be able to re-encode it.
+ */
+ if (pnp_can_write(dev) &&
+ extended_irq->interrupt_count > 1) {
+ dev_warn(&dev->dev, "multiple interrupts in "
+ "_CRS descriptor; configuration can't "
+ "be changed\n");
+ dev->capabilities &= ~PNP_WRITE;
+ }
}
break;
- case ACPI_RSTYPE_DMA:
- if (res->data.dma.number_of_channels > 0)
- pnpacpi_parse_allocated_dmaresource(res_table,
- res->data.dma.channels[0]);
- break;
- case ACPI_RSTYPE_IO:
- pnpacpi_parse_allocated_ioresource(res_table,
- res->data.io.min_base_address,
- res->data.io.range_length);
- break;
- case ACPI_RSTYPE_FIXED_IO:
- pnpacpi_parse_allocated_ioresource(res_table,
- res->data.fixed_io.base_address,
- res->data.fixed_io.range_length);
- break;
- case ACPI_RSTYPE_MEM24:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.memory24.min_base_address,
- res->data.memory24.range_length);
- break;
- case ACPI_RSTYPE_MEM32:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.memory32.min_base_address,
- res->data.memory32.range_length);
- break;
- case ACPI_RSTYPE_FIXED_MEM32:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.fixed_memory32.range_base_address,
- res->data.fixed_memory32.range_length);
- break;
- case ACPI_RSTYPE_ADDRESS16:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address16.min_address_range,
- res->data.address16.address_length);
- break;
- case ACPI_RSTYPE_ADDRESS32:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address32.min_address_range,
- res->data.address32.address_length);
- break;
- case ACPI_RSTYPE_ADDRESS64:
- pnpacpi_parse_allocated_memresource(res_table,
- res->data.address64.min_address_range,
- res->data.address64.address_length);
- break;
- case ACPI_RSTYPE_VENDOR:
+
+ case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
break;
+
default:
- pnp_warn("PnPACPI: unknown resource type %d", res->id);
+ dev_warn(&dev->dev, "unknown resource type %d in _CRS\n",
+ res->type);
return AE_ERROR;
}
-
+
return AE_OK;
}
-acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table * res)
+int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
{
- /* Blank the resource table values */
- pnp_init_resource_table(res);
+ struct acpi_device *acpi_dev = dev->data;
+ acpi_handle handle = acpi_dev->handle;
+ acpi_status status;
+
+ pnp_dbg(&dev->dev, "parse allocated resources\n");
+
+ pnp_init_resources(dev);
- return acpi_walk_resources(handle, METHOD_NAME__CRS, pnpacpi_allocated_resource, res);
+ status = acpi_walk_resources(handle, METHOD_NAME__CRS,
+ pnpacpi_allocated_resource, dev);
+
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND)
+ dev_err(&dev->dev, "can't evaluate _CRS: %d", status);
+ return -EPERM;
+ }
+ return 0;
}
-static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_resource_dma *p)
+static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_dma *p)
{
int i;
- struct pnp_dma * dma;
+ unsigned char map = 0, flags;
- if (p->number_of_channels == 0)
- return;
- dma = pnpacpi_kmalloc(sizeof(struct pnp_dma), GFP_KERNEL);
- if (!dma)
+ if (p->channel_count == 0)
return;
- for(i = 0; i < p->number_of_channels; i++)
- dma->map |= 1 << p->channels[i];
- dma->flags = 0;
- if (p->bus_master)
- dma->flags |= IORESOURCE_DMA_MASTER;
- switch (p->type) {
- case ACPI_COMPATIBILITY:
- dma->flags |= IORESOURCE_DMA_COMPATIBLE;
- break;
- case ACPI_TYPE_A:
- dma->flags |= IORESOURCE_DMA_TYPEA;
- break;
- case ACPI_TYPE_B:
- dma->flags |= IORESOURCE_DMA_TYPEB;
- break;
- case ACPI_TYPE_F:
- dma->flags |= IORESOURCE_DMA_TYPEF;
- break;
- default:
- /* Set a default value ? */
- dma->flags |= IORESOURCE_DMA_COMPATIBLE;
- pnp_err("Invalid DMA type");
- }
- switch (p->transfer) {
- case ACPI_TRANSFER_8:
- dma->flags |= IORESOURCE_DMA_8BIT;
- break;
- case ACPI_TRANSFER_8_16:
- dma->flags |= IORESOURCE_DMA_8AND16BIT;
- break;
- case ACPI_TRANSFER_16:
- dma->flags |= IORESOURCE_DMA_16BIT;
- break;
- default:
- /* Set a default value ? */
- dma->flags |= IORESOURCE_DMA_8AND16BIT;
- pnp_err("Invalid DMA transfer type");
- }
+ for (i = 0; i < p->channel_count; i++)
+ map |= 1 << p->channels[i];
- pnp_register_dma_resource(option,dma);
- return;
+ flags = dma_flags(dev, p->type, p->bus_master, p->transfer);
+ pnp_register_dma_resource(dev, option_flags, map, flags);
}
-
-static void pnpacpi_parse_irq_option(struct pnp_option *option,
- struct acpi_resource_irq *p)
+static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_irq *p)
{
int i;
- struct pnp_irq * irq;
-
- if (p->number_of_interrupts == 0)
- return;
- irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
+ pnp_irq_mask_t map;
+ unsigned char flags;
+
+ if (p->interrupt_count == 0)
return;
- for(i = 0; i < p->number_of_interrupts; i++)
+ bitmap_zero(map.bits, PNP_IRQ_NR);
+ for (i = 0; i < p->interrupt_count; i++)
if (p->interrupts[i])
- __set_bit(p->interrupts[i], irq->map);
- irq->flags = irq_flags(p->edge_level, p->active_high_low);
+ __set_bit(p->interrupts[i], map.bits);
- pnp_register_irq_resource(option, irq);
- return;
+ flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
-static void pnpacpi_parse_ext_irq_option(struct pnp_option *option,
- struct acpi_resource_ext_irq *p)
+static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_extended_irq *p)
{
int i;
- struct pnp_irq * irq;
+ pnp_irq_mask_t map;
+ unsigned char flags;
- if (p->number_of_interrupts == 0)
- return;
- irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL);
- if (!irq)
+ if (p->interrupt_count == 0)
return;
- for(i = 0; i < p->number_of_interrupts; i++)
- if (p->interrupts[i])
- __set_bit(p->interrupts[i], irq->map);
- irq->flags = irq_flags(p->edge_level, p->active_high_low);
+ bitmap_zero(map.bits, PNP_IRQ_NR);
+ for (i = 0; i < p->interrupt_count; i++) {
+ if (p->interrupts[i]) {
+ if (p->interrupts[i] < PNP_IRQ_NR)
+ __set_bit(p->interrupts[i], map.bits);
+ else
+ dev_err(&dev->dev, "ignoring IRQ %d option "
+ "(too large for %d entry bitmap)\n",
+ p->interrupts[i], PNP_IRQ_NR);
+ }
+ }
- pnp_register_irq_resource(option, irq);
- return;
+ flags = irq_flags(p->triggering, p->polarity, p->sharable);
+ pnp_register_irq_resource(dev, option_flags, &map, flags);
}
-static void
-pnpacpi_parse_port_option(struct pnp_option *option,
- struct acpi_resource_io *io)
+static __init void pnpacpi_parse_port_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_io *io)
{
- struct pnp_port * port;
+ unsigned char flags = 0;
- if (io->range_length == 0)
+ if (io->address_length == 0)
return;
- port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
+
+ if (io->io_decode == ACPI_DECODE_16)
+ flags = IORESOURCE_IO_16BIT_ADDR;
+ pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum,
+ io->alignment, io->address_length, flags);
+}
+
+static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_fixed_io *io)
+{
+ if (io->address_length == 0)
return;
- port->min = io->min_base_address;
- port->max = io->max_base_address;
- port->align = io->alignment;
- port->size = io->range_length;
- port->flags = ACPI_DECODE_16 == io->io_decode ?
- PNP_PORT_FLAG_16BITADDR : 0;
- pnp_register_port_resource(option,port);
- return;
+
+ pnp_register_port_resource(dev, option_flags, io->address, io->address,
+ 0, io->address_length, IORESOURCE_IO_FIXED);
}
-static void
-pnpacpi_parse_fixed_port_option(struct pnp_option *option,
- struct acpi_resource_fixed_io *io)
+static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_memory24 *p)
{
- struct pnp_port * port;
+ unsigned char flags = 0;
- if (io->range_length == 0)
- return;
- port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL);
- if (!port)
+ if (p->address_length == 0)
return;
- port->min = port->max = io->base_address;
- port->size = io->range_length;
- port->align = 0;
- port->flags = PNP_PORT_FLAG_FIXED;
- pnp_register_port_resource(option,port);
- return;
+
+ if (p->write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
+ p->alignment, p->address_length, flags);
}
-static void
-pnpacpi_parse_mem24_option(struct pnp_option *option,
- struct acpi_resource_mem24 *p)
+static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_memory32 *p)
{
- struct pnp_mem * mem;
+ unsigned char flags = 0;
- if (p->range_length == 0)
- return;
- mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
+ if (p->address_length == 0)
return;
- mem->min = p->min_base_address;
- mem->max = p->max_base_address;
- mem->align = p->alignment;
- mem->size = p->range_length;
- mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
- IORESOURCE_MEM_WRITEABLE : 0;
-
- pnp_register_mem_resource(option,mem);
- return;
+ if (p->write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum,
+ p->alignment, p->address_length, flags);
}
-static void
-pnpacpi_parse_mem32_option(struct pnp_option *option,
- struct acpi_resource_mem32 *p)
+static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource_fixed_memory32 *p)
{
- struct pnp_mem * mem;
+ unsigned char flags = 0;
- if (p->range_length == 0)
- return;
- mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
+ if (p->address_length == 0)
return;
- mem->min = p->min_base_address;
- mem->max = p->max_base_address;
- mem->align = p->alignment;
- mem->size = p->range_length;
-
- mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
- IORESOURCE_MEM_WRITEABLE : 0;
- pnp_register_mem_resource(option,mem);
- return;
+ if (p->write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->address, p->address,
+ 0, p->address_length, flags);
}
-static void
-pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
- struct acpi_resource_fixed_mem32 *p)
+static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource *r)
{
- struct pnp_mem * mem;
+ struct acpi_resource_address64 addr, *p = &addr;
+ acpi_status status;
+ unsigned char flags = 0;
- if (p->range_length == 0)
+ status = acpi_resource_to_address64(r, p);
+ if (ACPI_FAILURE(status)) {
+ dev_warn(&dev->dev, "can't convert resource type %d\n",
+ r->type);
return;
- mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
- if (!mem)
+ }
+
+ if (p->address_length == 0)
return;
- mem->min = mem->max = p->range_base_address;
- mem->size = p->range_length;
- mem->align = 0;
- mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
- IORESOURCE_MEM_WRITEABLE : 0;
+ if (p->resource_type == ACPI_MEMORY_RANGE) {
+ if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ flags);
+ } else if (p->resource_type == ACPI_IO_RANGE)
+ pnp_register_port_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ IORESOURCE_IO_FIXED);
+}
+
+static __init void pnpacpi_parse_ext_address_option(struct pnp_dev *dev,
+ unsigned int option_flags,
+ struct acpi_resource *r)
+{
+ struct acpi_resource_extended_address64 *p = &r->data.ext_address64;
+ unsigned char flags = 0;
+
+ if (p->address_length == 0)
+ return;
- pnp_register_mem_resource(option,mem);
- return;
+ if (p->resource_type == ACPI_MEMORY_RANGE) {
+ if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY)
+ flags = IORESOURCE_MEM_WRITEABLE;
+ pnp_register_mem_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ flags);
+ } else if (p->resource_type == ACPI_IO_RANGE)
+ pnp_register_port_resource(dev, option_flags, p->minimum,
+ p->minimum, 0, p->address_length,
+ IORESOURCE_IO_FIXED);
}
struct acpipnp_parse_option_s {
- struct pnp_option *option;
struct pnp_dev *dev;
+ unsigned int option_flags;
};
-static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
- void *data)
+static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res,
+ void *data)
{
- int priority = 0;
- struct acpipnp_parse_option_s *parse_data = (struct acpipnp_parse_option_s *)data;
+ int priority;
+ struct acpipnp_parse_option_s *parse_data = data;
struct pnp_dev *dev = parse_data->dev;
- struct pnp_option *option = parse_data->option;
+ unsigned int option_flags = parse_data->option_flags;
- switch (res->id) {
- case ACPI_RSTYPE_IRQ:
- pnpacpi_parse_irq_option(option, &res->data.irq);
- break;
- case ACPI_RSTYPE_EXT_IRQ:
- pnpacpi_parse_ext_irq_option(option,
- &res->data.extended_irq);
- break;
- case ACPI_RSTYPE_DMA:
- pnpacpi_parse_dma_option(option, &res->data.dma);
- break;
- case ACPI_RSTYPE_IO:
- pnpacpi_parse_port_option(option, &res->data.io);
- break;
- case ACPI_RSTYPE_FIXED_IO:
- pnpacpi_parse_fixed_port_option(option,
- &res->data.fixed_io);
- break;
- case ACPI_RSTYPE_MEM24:
- pnpacpi_parse_mem24_option(option, &res->data.memory24);
- break;
- case ACPI_RSTYPE_MEM32:
- pnpacpi_parse_mem32_option(option, &res->data.memory32);
+ switch (res->type) {
+ case ACPI_RESOURCE_TYPE_IRQ:
+ pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq);
+ break;
+
+ case ACPI_RESOURCE_TYPE_DMA:
+ pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma);
+ break;
+
+ case ACPI_RESOURCE_TYPE_START_DEPENDENT:
+ switch (res->data.start_dpf.compatibility_priority) {
+ case ACPI_GOOD_CONFIGURATION:
+ priority = PNP_RES_PRIORITY_PREFERRED;
break;
- case ACPI_RSTYPE_FIXED_MEM32:
- pnpacpi_parse_fixed_mem32_option(option,
- &res->data.fixed_memory32);
+
+ case ACPI_ACCEPTABLE_CONFIGURATION:
+ priority = PNP_RES_PRIORITY_ACCEPTABLE;
break;
- case ACPI_RSTYPE_START_DPF:
- switch (res->data.start_dpf.compatibility_priority) {
- case ACPI_GOOD_CONFIGURATION:
- priority = PNP_RES_PRIORITY_PREFERRED;
- break;
-
- case ACPI_ACCEPTABLE_CONFIGURATION:
- priority = PNP_RES_PRIORITY_ACCEPTABLE;
- break;
-
- case ACPI_SUB_OPTIMAL_CONFIGURATION:
- priority = PNP_RES_PRIORITY_FUNCTIONAL;
- break;
- default:
- priority = PNP_RES_PRIORITY_INVALID;
- break;
- }
- /* TBD: Considering performace/robustness bits */
- option = pnp_register_dependent_option(dev, priority);
- if (!option)
- return AE_ERROR;
- parse_data->option = option;
+
+ case ACPI_SUB_OPTIMAL_CONFIGURATION:
+ priority = PNP_RES_PRIORITY_FUNCTIONAL;
break;
- case ACPI_RSTYPE_END_DPF:
- return AE_CTRL_TERMINATE;
default:
- pnp_warn("PnPACPI: unknown resource type %d", res->id);
- return AE_ERROR;
+ priority = PNP_RES_PRIORITY_INVALID;
+ break;
+ }
+ parse_data->option_flags = pnp_new_dependent_set(dev, priority);
+ break;
+
+ case ACPI_RESOURCE_TYPE_END_DEPENDENT:
+ parse_data->option_flags = 0;
+ break;
+
+ case ACPI_RESOURCE_TYPE_IO:
+ pnpacpi_parse_port_option(dev, option_flags, &res->data.io);
+ break;
+
+ case ACPI_RESOURCE_TYPE_FIXED_IO:
+ pnpacpi_parse_fixed_port_option(dev, option_flags,
+ &res->data.fixed_io);
+ break;
+
+ case ACPI_RESOURCE_TYPE_VENDOR:
+ case ACPI_RESOURCE_TYPE_END_TAG:
+ break;
+
+ case ACPI_RESOURCE_TYPE_MEMORY24:
+ pnpacpi_parse_mem24_option(dev, option_flags,
+ &res->data.memory24);
+ break;
+
+ case ACPI_RESOURCE_TYPE_MEMORY32:
+ pnpacpi_parse_mem32_option(dev, option_flags,
+ &res->data.memory32);
+ break;
+
+ case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
+ pnpacpi_parse_fixed_mem32_option(dev, option_flags,
+ &res->data.fixed_memory32);
+ break;
+
+ case ACPI_RESOURCE_TYPE_ADDRESS16:
+ case ACPI_RESOURCE_TYPE_ADDRESS32:
+ case ACPI_RESOURCE_TYPE_ADDRESS64:
+ pnpacpi_parse_address_option(dev, option_flags, res);
+ break;
+
+ case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
+ pnpacpi_parse_ext_address_option(dev, option_flags, res);
+ break;
+
+ case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ pnpacpi_parse_ext_irq_option(dev, option_flags,
+ &res->data.extended_irq);
+ break;
+
+ case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
+ break;
+
+ default:
+ dev_warn(&dev->dev, "unknown resource type %d in _PRS\n",
+ res->type);
+ return AE_ERROR;
}
-
+
return AE_OK;
}
-acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
- struct pnp_dev *dev)
+int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
{
+ struct acpi_device *acpi_dev = dev->data;
+ acpi_handle handle = acpi_dev->handle;
acpi_status status;
struct acpipnp_parse_option_s parse_data;
- parse_data.option = pnp_register_independent_option(dev);
- if (!parse_data.option)
- return AE_ERROR;
+ pnp_dbg(&dev->dev, "parse resource options\n");
+
parse_data.dev = dev;
- status = acpi_walk_resources(handle, METHOD_NAME__PRS,
- pnpacpi_option_resource, &parse_data);
+ parse_data.option_flags = 0;
+
+ status = acpi_walk_resources(handle, METHOD_NAME__PRS,
+ pnpacpi_option_resource, &parse_data);
+
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND)
+ dev_err(&dev->dev, "can't evaluate _PRS: %d", status);
+ return -EPERM;
+ }
+ return 0;
+}
- return status;
+static int pnpacpi_supported_resource(struct acpi_resource *res)
+{
+ switch (res->type) {
+ case ACPI_RESOURCE_TYPE_IRQ:
+ case ACPI_RESOURCE_TYPE_DMA:
+ case ACPI_RESOURCE_TYPE_IO:
+ case ACPI_RESOURCE_TYPE_FIXED_IO:
+ case ACPI_RESOURCE_TYPE_MEMORY24:
+ case ACPI_RESOURCE_TYPE_MEMORY32:
+ case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
+ case ACPI_RESOURCE_TYPE_ADDRESS16:
+ case ACPI_RESOURCE_TYPE_ADDRESS32:
+ case ACPI_RESOURCE_TYPE_ADDRESS64:
+ case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
+ case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ return 1;
+ }
+ return 0;
}
/*
* Set resource
*/
static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
- void *data)
-{
- int *res_cnt = (int *)data;
- switch (res->id) {
- case ACPI_RSTYPE_IRQ:
- case ACPI_RSTYPE_EXT_IRQ:
- case ACPI_RSTYPE_DMA:
- case ACPI_RSTYPE_IO:
- case ACPI_RSTYPE_FIXED_IO:
- case ACPI_RSTYPE_MEM24:
- case ACPI_RSTYPE_MEM32:
- case ACPI_RSTYPE_FIXED_MEM32:
-#if 0
- case ACPI_RSTYPE_ADDRESS16:
- case ACPI_RSTYPE_ADDRESS32:
- case ACPI_RSTYPE_ADDRESS64:
-#endif
- (*res_cnt) ++;
- default:
- return AE_OK;
- }
+ void *data)
+{
+ int *res_cnt = data;
+
+ if (pnpacpi_supported_resource(res))
+ (*res_cnt)++;
return AE_OK;
}
-static acpi_status pnpacpi_type_resources(struct acpi_resource *res,
- void *data)
-{
- struct acpi_resource **resource = (struct acpi_resource **)data;
- switch (res->id) {
- case ACPI_RSTYPE_IRQ:
- case ACPI_RSTYPE_EXT_IRQ:
- case ACPI_RSTYPE_DMA:
- case ACPI_RSTYPE_IO:
- case ACPI_RSTYPE_FIXED_IO:
- case ACPI_RSTYPE_MEM24:
- case ACPI_RSTYPE_MEM32:
- case ACPI_RSTYPE_FIXED_MEM32:
-#if 0
- case ACPI_RSTYPE_ADDRESS16:
- case ACPI_RSTYPE_ADDRESS32:
- case ACPI_RSTYPE_ADDRESS64:
-#endif
- (*resource)->id = res->id;
+static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
+{
+ struct acpi_resource **resource = data;
+
+ if (pnpacpi_supported_resource(res)) {
+ (*resource)->type = res->type;
+ (*resource)->length = sizeof(struct acpi_resource);
+ if (res->type == ACPI_RESOURCE_TYPE_IRQ)
+ (*resource)->data.irq.descriptor_length =
+ res->data.irq.descriptor_length;
(*resource)++;
- default:
- return AE_OK;
}
return AE_OK;
}
-int pnpacpi_build_resource_template(acpi_handle handle,
- struct acpi_buffer *buffer)
+int pnpacpi_build_resource_template(struct pnp_dev *dev,
+ struct acpi_buffer *buffer)
{
+ struct acpi_device *acpi_dev = dev->data;
+ acpi_handle handle = acpi_dev->handle;
struct acpi_resource *resource;
int res_cnt = 0;
acpi_status status;
- status = acpi_walk_resources(handle, METHOD_NAME__CRS,
- pnpacpi_count_resources, &res_cnt);
+ status = acpi_walk_resources(handle, METHOD_NAME__CRS,
+ pnpacpi_count_resources, &res_cnt);
if (ACPI_FAILURE(status)) {
- pnp_err("Evaluate _CRS failed");
+ dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
return -EINVAL;
}
if (!res_cnt)
return -EINVAL;
buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
- buffer->pointer = pnpacpi_kmalloc(buffer->length - 1, GFP_KERNEL);
+ buffer->pointer = kzalloc(buffer->length - 1, GFP_KERNEL);
if (!buffer->pointer)
return -ENOMEM;
- pnp_dbg("Res cnt %d", res_cnt);
+
resource = (struct acpi_resource *)buffer->pointer;
- status = acpi_walk_resources(handle, METHOD_NAME__CRS,
- pnpacpi_type_resources, &resource);
+ status = acpi_walk_resources(handle, METHOD_NAME__CRS,
+ pnpacpi_type_resources, &resource);
if (ACPI_FAILURE(status)) {
kfree(buffer->pointer);
- pnp_err("Evaluate _CRS failed");
+ dev_err(&dev->dev, "can't evaluate _CRS: %d\n", status);
return -EINVAL;
}
/* resource will pointer the end resource now */
- resource->id = ACPI_RSTYPE_END_TAG;
+ resource->type = ACPI_RESOURCE_TYPE_END_TAG;
return 0;
}
-static void pnpacpi_encode_irq(struct acpi_resource *resource,
- struct resource *p)
+static void pnpacpi_encode_irq(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
{
- int edge_level, active_high_low;
-
- decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
- &active_high_low);
- resource->id = ACPI_RSTYPE_IRQ;
- resource->length = sizeof(struct acpi_resource);
- resource->data.irq.edge_level = edge_level;
- resource->data.irq.active_high_low = active_high_low;
- if (edge_level == ACPI_EDGE_SENSITIVE)
- resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
- else
- resource->data.irq.shared_exclusive = ACPI_SHARED;
- resource->data.irq.number_of_interrupts = 1;
- resource->data.irq.interrupts[0] = p->start;
-}
-
-static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
- struct resource *p)
-{
- int edge_level, active_high_low;
-
- decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
- &active_high_low);
- resource->id = ACPI_RSTYPE_EXT_IRQ;
- resource->length = sizeof(struct acpi_resource);
- resource->data.extended_irq.producer_consumer = ACPI_CONSUMER;
- resource->data.extended_irq.edge_level = edge_level;
- resource->data.extended_irq.active_high_low = active_high_low;
- if (edge_level == ACPI_EDGE_SENSITIVE)
- resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
- else
- resource->data.irq.shared_exclusive = ACPI_SHARED;
- resource->data.extended_irq.number_of_interrupts = 1;
- resource->data.extended_irq.interrupts[0] = p->start;
+ struct acpi_resource_irq *irq = &resource->data.irq;
+ int triggering, polarity, shareable;
+
+ if (!pnp_resource_enabled(p)) {
+ irq->interrupt_count = 0;
+ pnp_dbg(&dev->dev, " encode irq (%s)\n",
+ p ? "disabled" : "missing");
+ return;
+ }
+
+ decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
+ irq->triggering = triggering;
+ irq->polarity = polarity;
+ irq->sharable = shareable;
+ irq->interrupt_count = 1;
+ irq->interrupts[0] = p->start;
+
+ pnp_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n",
+ (int) p->start,
+ triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
+ polarity == ACPI_ACTIVE_LOW ? "low" : "high",
+ irq->sharable == ACPI_SHARED ? "shared" : "exclusive",
+ irq->descriptor_length);
}
-static void pnpacpi_encode_dma(struct acpi_resource *resource,
- struct resource *p)
+static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
{
- resource->id = ACPI_RSTYPE_DMA;
- resource->length = sizeof(struct acpi_resource);
+ struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
+ int triggering, polarity, shareable;
+
+ if (!pnp_resource_enabled(p)) {
+ extended_irq->interrupt_count = 0;
+ pnp_dbg(&dev->dev, " encode extended irq (%s)\n",
+ p ? "disabled" : "missing");
+ return;
+ }
+
+ decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
+ extended_irq->producer_consumer = ACPI_CONSUMER;
+ extended_irq->triggering = triggering;
+ extended_irq->polarity = polarity;
+ extended_irq->sharable = shareable;
+ extended_irq->interrupt_count = 1;
+ extended_irq->interrupts[0] = p->start;
+
+ pnp_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
+ triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
+ polarity == ACPI_ACTIVE_LOW ? "low" : "high",
+ extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
+}
+
+static void pnpacpi_encode_dma(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
+{
+ struct acpi_resource_dma *dma = &resource->data.dma;
+
+ if (!pnp_resource_enabled(p)) {
+ dma->channel_count = 0;
+ pnp_dbg(&dev->dev, " encode dma (%s)\n",
+ p ? "disabled" : "missing");
+ return;
+ }
+
/* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
- if (p->flags & IORESOURCE_DMA_COMPATIBLE)
- resource->data.dma.type = ACPI_COMPATIBILITY;
- else if (p->flags & IORESOURCE_DMA_TYPEA)
- resource->data.dma.type = ACPI_TYPE_A;
- else if (p->flags & IORESOURCE_DMA_TYPEB)
- resource->data.dma.type = ACPI_TYPE_B;
- else if (p->flags & IORESOURCE_DMA_TYPEF)
- resource->data.dma.type = ACPI_TYPE_F;
- if (p->flags & IORESOURCE_DMA_8BIT)
- resource->data.dma.transfer = ACPI_TRANSFER_8;
- else if (p->flags & IORESOURCE_DMA_8AND16BIT)
- resource->data.dma.transfer = ACPI_TRANSFER_8_16;
- else if (p->flags & IORESOURCE_DMA_16BIT)
- resource->data.dma.transfer = ACPI_TRANSFER_16;
- resource->data.dma.bus_master = p->flags & IORESOURCE_DMA_MASTER;
- resource->data.dma.number_of_channels = 1;
- resource->data.dma.channels[0] = p->start;
-}
-
-static void pnpacpi_encode_io(struct acpi_resource *resource,
- struct resource *p)
-{
- resource->id = ACPI_RSTYPE_IO;
- resource->length = sizeof(struct acpi_resource);
- /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
- resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)?
- ACPI_DECODE_16 : ACPI_DECODE_10;
- resource->data.io.min_base_address = p->start;
- resource->data.io.max_base_address = p->end;
- resource->data.io.alignment = 0; /* Correct? */
- resource->data.io.range_length = p->end - p->start + 1;
-}
-
-static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
- struct resource *p)
-{
- resource->id = ACPI_RSTYPE_FIXED_IO;
- resource->length = sizeof(struct acpi_resource);
- resource->data.fixed_io.base_address = p->start;
- resource->data.fixed_io.range_length = p->end - p->start + 1;
-}
-
-static void pnpacpi_encode_mem24(struct acpi_resource *resource,
- struct resource *p)
-{
- resource->id = ACPI_RSTYPE_MEM24;
- resource->length = sizeof(struct acpi_resource);
- /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
- resource->data.memory24.read_write_attribute =
- (p->flags & IORESOURCE_MEM_WRITEABLE) ?
- ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
- resource->data.memory24.min_base_address = p->start;
- resource->data.memory24.max_base_address = p->end;
- resource->data.memory24.alignment = 0;
- resource->data.memory24.range_length = p->end - p->start + 1;
-}
-
-static void pnpacpi_encode_mem32(struct acpi_resource *resource,
- struct resource *p)
-{
- resource->id = ACPI_RSTYPE_MEM32;
- resource->length = sizeof(struct acpi_resource);
- resource->data.memory32.read_write_attribute =
- (p->flags & IORESOURCE_MEM_WRITEABLE) ?
- ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
- resource->data.memory32.min_base_address = p->start;
- resource->data.memory32.max_base_address = p->end;
- resource->data.memory32.alignment = 0;
- resource->data.memory32.range_length = p->end - p->start + 1;
-}
-
-static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
- struct resource *p)
-{
- resource->id = ACPI_RSTYPE_FIXED_MEM32;
- resource->length = sizeof(struct acpi_resource);
- resource->data.fixed_memory32.read_write_attribute =
- (p->flags & IORESOURCE_MEM_WRITEABLE) ?
- ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
- resource->data.fixed_memory32.range_base_address = p->start;
- resource->data.fixed_memory32.range_length = p->end - p->start + 1;
-}
-
-int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
- struct acpi_buffer *buffer)
+ switch (p->flags & IORESOURCE_DMA_SPEED_MASK) {
+ case IORESOURCE_DMA_TYPEA:
+ dma->type = ACPI_TYPE_A;
+ break;
+ case IORESOURCE_DMA_TYPEB:
+ dma->type = ACPI_TYPE_B;
+ break;
+ case IORESOURCE_DMA_TYPEF:
+ dma->type = ACPI_TYPE_F;
+ break;
+ default:
+ dma->type = ACPI_COMPATIBILITY;
+ }
+
+ switch (p->flags & IORESOURCE_DMA_TYPE_MASK) {
+ case IORESOURCE_DMA_8BIT:
+ dma->transfer = ACPI_TRANSFER_8;
+ break;
+ case IORESOURCE_DMA_8AND16BIT:
+ dma->transfer = ACPI_TRANSFER_8_16;
+ break;
+ default:
+ dma->transfer = ACPI_TRANSFER_16;
+ }
+
+ dma->bus_master = !!(p->flags & IORESOURCE_DMA_MASTER);
+ dma->channel_count = 1;
+ dma->channels[0] = p->start;
+
+ pnp_dbg(&dev->dev, " encode dma %d "
+ "type %#x transfer %#x master %d\n",
+ (int) p->start, dma->type, dma->transfer, dma->bus_master);
+}
+
+static void pnpacpi_encode_io(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
+{
+ struct acpi_resource_io *io = &resource->data.io;
+
+ if (pnp_resource_enabled(p)) {
+ /* Note: pnp_assign_port copies pnp_port->flags into p->flags */
+ io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ?
+ ACPI_DECODE_16 : ACPI_DECODE_10;
+ io->minimum = p->start;
+ io->maximum = p->end;
+ io->alignment = 0; /* Correct? */
+ io->address_length = p->end - p->start + 1;
+ } else {
+ io->minimum = 0;
+ io->address_length = 0;
+ }
+
+ pnp_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum,
+ io->minimum + io->address_length - 1, io->io_decode);
+}
+
+static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
+{
+ struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io;
+
+ if (pnp_resource_enabled(p)) {
+ fixed_io->address = p->start;
+ fixed_io->address_length = p->end - p->start + 1;
+ } else {
+ fixed_io->address = 0;
+ fixed_io->address_length = 0;
+ }
+
+ pnp_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address,
+ fixed_io->address + fixed_io->address_length - 1);
+}
+
+static void pnpacpi_encode_mem24(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
+{
+ struct acpi_resource_memory24 *memory24 = &resource->data.memory24;
+
+ if (pnp_resource_enabled(p)) {
+ /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */
+ memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
+ ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
+ memory24->minimum = p->start;
+ memory24->maximum = p->end;
+ memory24->alignment = 0;
+ memory24->address_length = p->end - p->start + 1;
+ } else {
+ memory24->minimum = 0;
+ memory24->address_length = 0;
+ }
+
+ pnp_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n",
+ memory24->minimum,
+ memory24->minimum + memory24->address_length - 1,
+ memory24->write_protect);
+}
+
+static void pnpacpi_encode_mem32(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
+{
+ struct acpi_resource_memory32 *memory32 = &resource->data.memory32;
+
+ if (pnp_resource_enabled(p)) {
+ memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ?
+ ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
+ memory32->minimum = p->start;
+ memory32->maximum = p->end;
+ memory32->alignment = 0;
+ memory32->address_length = p->end - p->start + 1;
+ } else {
+ memory32->minimum = 0;
+ memory32->alignment = 0;
+ }
+
+ pnp_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n",
+ memory32->minimum,
+ memory32->minimum + memory32->address_length - 1,
+ memory32->write_protect);
+}
+
+static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
+ struct acpi_resource *resource,
+ struct resource *p)
+{
+ struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32;
+
+ if (pnp_resource_enabled(p)) {
+ fixed_memory32->write_protect =
+ p->flags & IORESOURCE_MEM_WRITEABLE ?
+ ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
+ fixed_memory32->address = p->start;
+ fixed_memory32->address_length = p->end - p->start + 1;
+ } else {
+ fixed_memory32->address = 0;
+ fixed_memory32->address_length = 0;
+ }
+
+ pnp_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n",
+ fixed_memory32->address,
+ fixed_memory32->address + fixed_memory32->address_length - 1,
+ fixed_memory32->write_protect);
+}
+
+int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
{
int i = 0;
/* pnpacpi_build_resource_template allocates extra mem */
- int res_cnt = (buffer->length - 1)/sizeof(struct acpi_resource) - 1;
- struct acpi_resource *resource = (struct acpi_resource*)buffer->pointer;
+ int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
+ struct acpi_resource *resource = buffer->pointer;
int port = 0, irq = 0, dma = 0, mem = 0;
- pnp_dbg("res cnt %d", res_cnt);
+ pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt);
while (i < res_cnt) {
- switch(resource->id) {
- case ACPI_RSTYPE_IRQ:
- pnp_dbg("Encode irq");
- pnpacpi_encode_irq(resource,
- &res_table->irq_resource[irq]);
+ switch (resource->type) {
+ case ACPI_RESOURCE_TYPE_IRQ:
+ pnpacpi_encode_irq(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_IRQ, irq));
irq++;
break;
- case ACPI_RSTYPE_EXT_IRQ:
- pnp_dbg("Encode ext irq");
- pnpacpi_encode_ext_irq(resource,
- &res_table->irq_resource[irq]);
- irq++;
+ case ACPI_RESOURCE_TYPE_DMA:
+ pnpacpi_encode_dma(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_DMA, dma));
+ dma++;
break;
- case ACPI_RSTYPE_DMA:
- pnp_dbg("Encode dma");
- pnpacpi_encode_dma(resource,
- &res_table->dma_resource[dma]);
- dma ++;
+ case ACPI_RESOURCE_TYPE_IO:
+ pnpacpi_encode_io(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_IO, port));
+ port++;
break;
- case ACPI_RSTYPE_IO:
- pnp_dbg("Encode io");
- pnpacpi_encode_io(resource,
- &res_table->port_resource[port]);
- port ++;
+ case ACPI_RESOURCE_TYPE_FIXED_IO:
+ pnpacpi_encode_fixed_io(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_IO, port));
+ port++;
break;
- case ACPI_RSTYPE_FIXED_IO:
- pnp_dbg("Encode fixed io");
- pnpacpi_encode_fixed_io(resource,
- &res_table->port_resource[port]);
- port ++;
+ case ACPI_RESOURCE_TYPE_MEMORY24:
+ pnpacpi_encode_mem24(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_MEM, mem));
+ mem++;
break;
- case ACPI_RSTYPE_MEM24:
- pnp_dbg("Encode mem24");
- pnpacpi_encode_mem24(resource,
- &res_table->mem_resource[mem]);
- mem ++;
+ case ACPI_RESOURCE_TYPE_MEMORY32:
+ pnpacpi_encode_mem32(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_MEM, mem));
+ mem++;
break;
- case ACPI_RSTYPE_MEM32:
- pnp_dbg("Encode mem32");
- pnpacpi_encode_mem32(resource,
- &res_table->mem_resource[mem]);
- mem ++;
+ case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
+ pnpacpi_encode_fixed_mem32(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_MEM, mem));
+ mem++;
break;
- case ACPI_RSTYPE_FIXED_MEM32:
- pnp_dbg("Encode fixed mem32");
- pnpacpi_encode_fixed_mem32(resource,
- &res_table->mem_resource[mem]);
- mem ++;
+ case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ pnpacpi_encode_ext_irq(dev, resource,
+ pnp_get_resource(dev, IORESOURCE_IRQ, irq));
+ irq++;
break;
- default: /* other type */
- pnp_warn("unknown resource type %d", resource->id);
+ case ACPI_RESOURCE_TYPE_START_DEPENDENT:
+ case ACPI_RESOURCE_TYPE_END_DEPENDENT:
+ case ACPI_RESOURCE_TYPE_VENDOR:
+ case ACPI_RESOURCE_TYPE_END_TAG:
+ case ACPI_RESOURCE_TYPE_ADDRESS16:
+ case ACPI_RESOURCE_TYPE_ADDRESS32:
+ case ACPI_RESOURCE_TYPE_ADDRESS64:
+ case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64:
+ case ACPI_RESOURCE_TYPE_GENERIC_REGISTER:
+ default: /* other type */
+ dev_warn(&dev->dev, "can't encode unknown resource "
+ "type %d\n", resource->type);
return -EINVAL;
}
- resource ++;
- i ++;
+ resource++;
+ i++;
}
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff