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Pull motherboard into test branch 

Conflicts:

	drivers/acpi/motherboard.c

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2007-02-03 01:38:16 -05:00
parent 5473526605 fb5c3e1b6d
commit eee3c859c4
6 changed files with 80 additions and 209 deletions
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3
arch/i386/defconfig
View File

@ -466,7 +466,8 @@ CONFIG_FW_LOADER=y
#
# Plug and Play support
#
# CONFIG_PNP is not set
CONFIG_PNP=y
CONFIG_PNPACPI=y
#
# Block devices

2
drivers/acpi/Makefile
View File

@ -37,7 +37,7 @@ endif
obj-y += sleep/
obj-y += bus.o glue.o
obj-y += scan.o motherboard.o
obj-y += scan.o
obj-$(CONFIG_ACPI_AC) += ac.o
obj-$(CONFIG_ACPI_BATTERY) += battery.o
obj-$(CONFIG_ACPI_BUTTON) += button.o

180
drivers/acpi/motherboard.c
View File

@ -1,180 +0,0 @@
/*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* 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 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
/* Purpose: Prevent PCMCIA cards from using motherboard resources. */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <asm/io.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("acpi_motherboard")
/* Dell use PNP0C01 instead of PNP0C02 */
#define ACPI_MB_HID "PNP0C01,PNP0C02"
/**
* Doesn't care about legacy IO ports, only IO ports beyond 0x1000 are reserved
* Doesn't care about the failure of 'request_region', since other may reserve
* the io ports as well
*/
#define IS_RESERVED_ADDR(base, len) \
(((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \
&& ((base) + (len) > PCIBIOS_MIN_IO))
/*
* Clearing the flag (IORESOURCE_BUSY) allows drivers to use
* the io ports if they really know they can use it, while
* still preventing hotplug PCI devices from using it.
*/
/*
* When CONFIG_PNP is enabled, pnp/system.c binds to PNP0C01
* and PNP0C02, redundant with acpi_reserve_io_ranges().
* But acpi_reserve_io_ranges() is necessary for !CONFIG_PNP.
*/
static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data)
{
struct resource *requested_res = NULL;
if (res->type == ACPI_RESOURCE_TYPE_IO) {
struct acpi_resource_io *io_res = &res->data.io;
if (io_res->minimum != io_res->maximum)
return AE_OK;
if (IS_RESERVED_ADDR
(io_res->minimum, io_res->address_length)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Motherboard resources 0x%08x - 0x%08x\n",
io_res->minimum,
io_res->minimum +
io_res->address_length));
requested_res =
request_region(io_res->minimum,
io_res->address_length, "motherboard");
}
} else if (res->type == ACPI_RESOURCE_TYPE_FIXED_IO) {
struct acpi_resource_fixed_io *fixed_io_res =
&res->data.fixed_io;
if (IS_RESERVED_ADDR
(fixed_io_res->address, fixed_io_res->address_length)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Motherboard resources 0x%08x - 0x%08x\n",
fixed_io_res->address,
fixed_io_res->address +
fixed_io_res->address_length));
requested_res =
request_region(fixed_io_res->address,
fixed_io_res->address_length,
"motherboard");
}
} else {
/* Memory mapped IO? */
}
if (requested_res)
requested_res->flags &= ~IORESOURCE_BUSY;
return AE_OK;
}
static int acpi_motherboard_add(struct acpi_device *device)
{
if (!device)
return -EINVAL;
acpi_walk_resources(device->handle, METHOD_NAME__CRS,
acpi_reserve_io_ranges, NULL);
return 0;
}
static struct acpi_driver acpi_motherboard_driver = {
.name = "motherboard",
.class = "",
.ids = ACPI_MB_HID,
.ops = {
.add = acpi_motherboard_add,
},
};
static void __init acpi_request_region (struct acpi_generic_address *addr,
unsigned int length, char *desc)
{
if (!addr->address || !length)
return;
if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
request_region(addr->address, length, desc);
else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
request_mem_region(addr->address, length, desc);
}
static void __init acpi_reserve_resources(void)
{
acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block,
acpi_gbl_FADT.pm1_event_length, "ACPI PM1a_EVT_BLK");
acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block,
acpi_gbl_FADT.pm1_event_length, "ACPI PM1b_EVT_BLK");
acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block,
acpi_gbl_FADT.pm1_control_length, "ACPI PM1a_CNT_BLK");
acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block,
acpi_gbl_FADT.pm1_control_length, "ACPI PM1b_CNT_BLK");
if (acpi_gbl_FADT.pm_timer_length == 4)
acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR");
acpi_request_region(&acpi_gbl_FADT.xpm2_control_block,
acpi_gbl_FADT.pm2_control_length, "ACPI PM2_CNT_BLK");
/* Length of GPE blocks must be a non-negative multiple of 2 */
if (!(acpi_gbl_FADT.gpe0_block_length & 0x1))
acpi_request_region(&acpi_gbl_FADT.xgpe0_block,
acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK");
if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
}
static int __init acpi_motherboard_init(void)
{
acpi_bus_register_driver(&acpi_motherboard_driver);
/*
* Guarantee motherboard IO reservation first
* This module must run after scan.c
*/
if (!acpi_disabled)
acpi_reserve_resources();
return 0;
}
/**
* Reserve motherboard resources after PCI claim BARs,
* but before PCI assign resources for uninitialized PCI devices
*/
fs_initcall(acpi_motherboard_init);

48
drivers/acpi/osl.c
View File

@ -76,6 +76,54 @@ static acpi_osd_handler acpi_irq_handler;
static void *acpi_irq_context;
static struct workqueue_struct *kacpid_wq;
static void __init acpi_request_region (struct acpi_generic_address *addr,
unsigned int length, char *desc)
{
struct resource *res;
if (!addr->address || !length)
return;
if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
res = request_region(addr->address, length, desc);
else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
res = request_mem_region(addr->address, length, desc);
}
static int __init acpi_reserve_resources(void)
{
acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block, acpi_gbl_FADT.pm1_event_length,
"ACPI PM1a_EVT_BLK");
acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block, acpi_gbl_FADT.pm1_event_length,
"ACPI PM1b_EVT_BLK");
acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block, acpi_gbl_FADT.pm1_control_length,
"ACPI PM1a_CNT_BLK");
acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block, acpi_gbl_FADT.pm1_control_length,
"ACPI PM1b_CNT_BLK");
if (acpi_gbl_FADT.pm_timer_length == 4)
acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR");
acpi_request_region(&acpi_gbl_FADT.xpm2_control_block, acpi_gbl_FADT.pm2_control_length,
"ACPI PM2_CNT_BLK");
/* Length of GPE blocks must be a non-negative multiple of 2 */
if (!(acpi_gbl_FADT.gpe0_block_length & 0x1))
acpi_request_region(&acpi_gbl_FADT.xgpe0_block,
acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK");
if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
return 0;
}
device_initcall(acpi_reserve_resources);
acpi_status acpi_os_initialize(void)
{
return AE_OK;

4
drivers/pnp/pnpacpi/Kconfig
View File

@ -2,8 +2,8 @@
# Plug and Play ACPI configuration
#
config PNPACPI
bool "Plug and Play ACPI support (EXPERIMENTAL)"
depends on PNP && ACPI && EXPERIMENTAL
bool "Plug and Play ACPI support"
depends on PNP && ACPI
default y
---help---
Linux uses the PNPACPI to autodetect built-in

52
drivers/pnp/system.c
View File

@ -3,7 +3,8 @@
*
* Some code is based on pnpbios_core.c
* Copyright 2002 Adam Belay <ambx1@neo.rr.com>
*
* (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
* Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
#include <linux/pnp.h>
@ -21,18 +22,21 @@ static const struct pnp_device_id pnp_dev_table[] = {
{ "", 0 }
};
static void reserve_ioport_range(char *pnpid, int start, int end)
static void reserve_range(char *pnpid, int start, int end, int port)
{
struct resource *res;
char *regionid;
regionid = kmalloc(16, GFP_KERNEL);
if ( regionid == NULL )
if (regionid == NULL)
return;
snprintf(regionid, 16, "pnp %s", pnpid);
res = request_region(start,end-start+1,regionid);
if ( res == NULL )
kfree( regionid );
if (port)
res = request_region(start,end-start+1,regionid);
else
res = request_mem_region(start,end-start+1,regionid);
if (res == NULL)
kfree(regionid);
else
res->flags &= ~IORESOURCE_BUSY;
/*
@ -41,26 +45,20 @@ static void reserve_ioport_range(char *pnpid, int start, int end)
* have double reservations.
*/
printk(KERN_INFO
"pnp: %s: ioport range 0x%x-0x%x %s reserved\n",
pnpid, start, end,
NULL != res ? "has been" : "could not be"
);
return;
"pnp: %s: %s range 0x%x-0x%x %s reserved\n",
pnpid, port ? "ioport" : "iomem", start, end,
NULL != res ? "has been" : "could not be");
}
static void reserve_resources_of_dev( struct pnp_dev *dev )
static void reserve_resources_of_dev(struct pnp_dev *dev)
{
int i;
for (i=0;i<PNP_MAX_PORT;i++) {
for (i = 0; i < PNP_MAX_PORT; i++) {
if (!pnp_port_valid(dev, i))
/* end of resources */
continue;
if (pnp_port_start(dev, i) == 0)
/* disabled */
/* Do nothing */
continue;
continue; /* disabled */
if (pnp_port_start(dev, i) < 0x100)
/*
* Below 0x100 is only standard PC hardware
@ -72,14 +70,18 @@ static void reserve_resources_of_dev( struct pnp_dev *dev )
*/
continue;
if (pnp_port_end(dev, i) < pnp_port_start(dev, i))
/* invalid endpoint */
/* Do nothing */
continue; /* invalid */
reserve_range(dev->dev.bus_id, pnp_port_start(dev, i),
pnp_port_end(dev, i), 1);
}
for (i = 0; i < PNP_MAX_MEM; i++) {
if (!pnp_mem_valid(dev, i))
continue;
reserve_ioport_range(
dev->dev.bus_id,
pnp_port_start(dev, i),
pnp_port_end(dev, i)
);
reserve_range(dev->dev.bus_id, pnp_mem_start(dev, i),
pnp_mem_end(dev, i), 0);
}
return;