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authorBob Moore <robert.moore@intel.com>2009-06-24 09:44:06 +0800
committerLen Brown <len.brown@intel.com>2009-08-27 10:17:14 -0400
commitc6b5774caafa4c12b6019366e2fdaaff117e95a4 (patch)
tree04a9439010ba84fd2ab787d6d43dbcebe2020a1e /drivers/acpi/acpica/achware.h
parentf8d80cdf40fe4d2393159012b38ce9f85a488686 (diff)
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ACPICA: Add 64-bit support to acpi_read and acpi_write
Needed by drivers for new ACPi tables. Internal versions of these functions still use 32-bit max transfers, in order to minimize disruption and stack use for the standard ACPI registers (FADT-based). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/achware.h')
-rw-r--r--drivers/acpi/acpica/achware.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 4afa3d8e0efb..36192f142fbb 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -62,6 +62,14 @@ u32 acpi_hw_get_mode(void);
/*
* hwregs - ACPI Register I/O
*/
+acpi_status
+acpi_hw_validate_register(struct acpi_generic_address *reg,
+ u8 max_bit_width, u64 *address);
+
+acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg);
+
+acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg);
+
struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);