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Diffstat (limited to 'drivers/acpi/motherboard.c')
-rw-r--r--drivers/acpi/motherboard.c191
1 files changed, 0 insertions, 191 deletions
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
deleted file mode 100644
index 2e17ec7..0000000
--- a/drivers/acpi/motherboard.c
+++ /dev/null
@@ -1,191 +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_HID1 "PNP0C01"
-#define ACPI_MB_HID2 "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_driver1 = {
- .name = "motherboard",
- .class = "",
- .ids = ACPI_MB_HID1,
- .ops = {
- .add = acpi_motherboard_add,
- },
-};
-
-static struct acpi_driver acpi_motherboard_driver2 = {
- .name = "motherboard",
- .class = "",
- .ids = ACPI_MB_HID2,
- .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->address_space_id == ACPI_ADR_SPACE_SYSTEM_IO)
- request_region(addr->address, length, desc);
- else if (addr->address_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_evt_blk,
- acpi_gbl_FADT->pm1_evt_len, "ACPI PM1a_EVT_BLK");
-
- acpi_request_region(&acpi_gbl_FADT->xpm1b_evt_blk,
- acpi_gbl_FADT->pm1_evt_len, "ACPI PM1b_EVT_BLK");
-
- acpi_request_region(&acpi_gbl_FADT->xpm1a_cnt_blk,
- acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1a_CNT_BLK");
-
- acpi_request_region(&acpi_gbl_FADT->xpm1b_cnt_blk,
- acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1b_CNT_BLK");
-
- if (acpi_gbl_FADT->pm_tm_len == 4)
- acpi_request_region(&acpi_gbl_FADT->xpm_tmr_blk, 4, "ACPI PM_TMR");
-
- acpi_request_region(&acpi_gbl_FADT->xpm2_cnt_blk,
- acpi_gbl_FADT->pm2_cnt_len, "ACPI PM2_CNT_BLK");
-
- /* Length of GPE blocks must be a non-negative multiple of 2 */
-
- if (!(acpi_gbl_FADT->gpe0_blk_len & 0x1))
- acpi_request_region(&acpi_gbl_FADT->xgpe0_blk,
- acpi_gbl_FADT->gpe0_blk_len, "ACPI GPE0_BLK");
-
- if (!(acpi_gbl_FADT->gpe1_blk_len & 0x1))
- acpi_request_region(&acpi_gbl_FADT->xgpe1_blk,
- acpi_gbl_FADT->gpe1_blk_len, "ACPI GPE1_BLK");
-}
-
-static int __init acpi_motherboard_init(void)
-{
- acpi_bus_register_driver(&acpi_motherboard_driver1);
- acpi_bus_register_driver(&acpi_motherboard_driver2);
- /*
- * 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);