diff options
Diffstat (limited to 'drivers/acpi/utilities/utmisc.c')
-rw-r--r-- | drivers/acpi/utilities/utmisc.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index e9058d4da122..2a9110c06391 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c | |||
@@ -43,7 +43,6 @@ | |||
43 | 43 | ||
44 | #include <acpi/acpi.h> | 44 | #include <acpi/acpi.h> |
45 | #include <acpi/acnamesp.h> | 45 | #include <acpi/acnamesp.h> |
46 | #include <acpi/amlresrc.h> | ||
47 | 46 | ||
48 | #define _COMPONENT ACPI_UTILITIES | 47 | #define _COMPONENT ACPI_UTILITIES |
49 | ACPI_MODULE_NAME("utmisc") | 48 | ACPI_MODULE_NAME("utmisc") |
@@ -791,153 +790,6 @@ u8 acpi_ut_generate_checksum(u8 * buffer, u32 length) | |||
791 | 790 | ||
792 | /******************************************************************************* | 791 | /******************************************************************************* |
793 | * | 792 | * |
794 | * FUNCTION: acpi_ut_get_resource_type | ||
795 | * | ||
796 | * PARAMETERS: Aml - Pointer to the raw AML resource descriptor | ||
797 | * | ||
798 | * RETURN: The Resource Type with no extraneous bits (except the | ||
799 | * Large/Small descriptor bit -- this is left alone) | ||
800 | * | ||
801 | * DESCRIPTION: Extract the Resource Type/Name from the first byte of | ||
802 | * a resource descriptor. | ||
803 | * | ||
804 | ******************************************************************************/ | ||
805 | |||
806 | u8 acpi_ut_get_resource_type(void *aml) | ||
807 | { | ||
808 | ACPI_FUNCTION_ENTRY(); | ||
809 | |||
810 | /* | ||
811 | * Byte 0 contains the descriptor name (Resource Type) | ||
812 | * Determine if this is a small or large resource | ||
813 | */ | ||
814 | if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) { | ||
815 | /* Large Resource Type -- bits 6:0 contain the name */ | ||
816 | |||
817 | return (*((u8 *) aml)); | ||
818 | } else { | ||
819 | /* Small Resource Type -- bits 6:3 contain the name */ | ||
820 | |||
821 | return ((u8) (*((u8 *) aml) & ACPI_RESOURCE_NAME_SMALL_MASK)); | ||
822 | } | ||
823 | } | ||
824 | |||
825 | /******************************************************************************* | ||
826 | * | ||
827 | * FUNCTION: acpi_ut_get_resource_length | ||
828 | * | ||
829 | * PARAMETERS: Aml - Pointer to the raw AML resource descriptor | ||
830 | * | ||
831 | * RETURN: Byte Length | ||
832 | * | ||
833 | * DESCRIPTION: Get the "Resource Length" of a raw AML descriptor. By | ||
834 | * definition, this does not include the size of the descriptor | ||
835 | * header or the length field itself. | ||
836 | * | ||
837 | ******************************************************************************/ | ||
838 | |||
839 | u16 acpi_ut_get_resource_length(void *aml) | ||
840 | { | ||
841 | u16 resource_length; | ||
842 | |||
843 | ACPI_FUNCTION_ENTRY(); | ||
844 | |||
845 | /* | ||
846 | * Byte 0 contains the descriptor name (Resource Type) | ||
847 | * Determine if this is a small or large resource | ||
848 | */ | ||
849 | if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) { | ||
850 | /* Large Resource type -- bytes 1-2 contain the 16-bit length */ | ||
851 | |||
852 | ACPI_MOVE_16_TO_16(&resource_length, &((u8 *) aml)[1]); | ||
853 | |||
854 | } else { | ||
855 | /* Small Resource type -- bits 2:0 of byte 0 contain the length */ | ||
856 | |||
857 | resource_length = (u16) (*((u8 *) aml) & | ||
858 | ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK); | ||
859 | } | ||
860 | |||
861 | return (resource_length); | ||
862 | } | ||
863 | |||
864 | /******************************************************************************* | ||
865 | * | ||
866 | * FUNCTION: acpi_ut_get_descriptor_length | ||
867 | * | ||
868 | * PARAMETERS: Aml - Pointer to the raw AML resource descriptor | ||
869 | * | ||
870 | * RETURN: Byte length | ||
871 | * | ||
872 | * DESCRIPTION: Get the total byte length of a raw AML descriptor, including the | ||
873 | * length of the descriptor header and the length field itself. | ||
874 | * Used to walk descriptor lists. | ||
875 | * | ||
876 | ******************************************************************************/ | ||
877 | |||
878 | u32 acpi_ut_get_descriptor_length(void *aml) | ||
879 | { | ||
880 | u32 descriptor_length; | ||
881 | |||
882 | ACPI_FUNCTION_ENTRY(); | ||
883 | |||
884 | /* First get the Resource Length (Does not include header length) */ | ||
885 | |||
886 | descriptor_length = acpi_ut_get_resource_length(aml); | ||
887 | |||
888 | /* Determine if this is a small or large resource */ | ||
889 | |||
890 | if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) { | ||
891 | descriptor_length += sizeof(struct aml_resource_large_header); | ||
892 | } else { | ||
893 | descriptor_length += sizeof(struct aml_resource_small_header); | ||
894 | } | ||
895 | |||
896 | return (descriptor_length); | ||
897 | } | ||
898 | |||
899 | /******************************************************************************* | ||
900 | * | ||
901 | * FUNCTION: acpi_ut_get_resource_end_tag | ||
902 | * | ||
903 | * PARAMETERS: obj_desc - The resource template buffer object | ||
904 | * | ||
905 | * RETURN: Pointer to the end tag | ||
906 | * | ||
907 | * DESCRIPTION: Find the END_TAG resource descriptor in an AML resource template | ||
908 | * | ||
909 | ******************************************************************************/ | ||
910 | |||
911 | u8 *acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc) | ||
912 | { | ||
913 | u8 *aml; | ||
914 | u8 *end_aml; | ||
915 | |||
916 | aml = obj_desc->buffer.pointer; | ||
917 | end_aml = aml + obj_desc->buffer.length; | ||
918 | |||
919 | /* Walk the resource template, one descriptor per loop */ | ||
920 | |||
921 | while (aml < end_aml) { | ||
922 | if (acpi_ut_get_resource_type(aml) == | ||
923 | ACPI_RESOURCE_NAME_END_TAG) { | ||
924 | /* Found the end_tag descriptor, all done */ | ||
925 | |||
926 | return (aml); | ||
927 | } | ||
928 | |||
929 | /* Point to the next resource descriptor */ | ||
930 | |||
931 | aml += acpi_ut_get_resource_length(aml); | ||
932 | } | ||
933 | |||
934 | /* End tag was not found */ | ||
935 | |||
936 | return (NULL); | ||
937 | } | ||
938 | |||
939 | /******************************************************************************* | ||
940 | * | ||
941 | * FUNCTION: acpi_ut_report_error | 793 | * FUNCTION: acpi_ut_report_error |
942 | * | 794 | * |
943 | * PARAMETERS: module_name - Caller's module name (for error output) | 795 | * PARAMETERS: module_name - Caller's module name (for error output) |