diff options
| author | Bob Moore <robert.moore@intel.com> | 2009-06-24 09:44:06 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-08-27 10:17:14 -0400 |
| commit | c6b5774caafa4c12b6019366e2fdaaff117e95a4 (patch) | |
| tree | 04a9439010ba84fd2ab787d6d43dbcebe2020a1e /drivers/acpi/acpica/achware.h | |
| parent | f8d80cdf40fe4d2393159012b38ce9f85a488686 (diff) | |
| download | linux-c6b5774caafa4c12b6019366e2fdaaff117e95a4.tar.gz linux-c6b5774caafa4c12b6019366e2fdaaff117e95a4.tar.bz2 linux-c6b5774caafa4c12b6019366e2fdaaff117e95a4.zip | |
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.h | 8 |
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); |