diff options
Diffstat (limited to 'drivers/acpi/resources/rsmemory.c')
| -rw-r--r-- | drivers/acpi/resources/rsmemory.c | 303 |
1 files changed, 115 insertions, 188 deletions
diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/resources/rsmemory.c index 47e979e7ba3..418a3fb6407 100644 --- a/drivers/acpi/resources/rsmemory.c +++ b/drivers/acpi/resources/rsmemory.c @@ -49,260 +49,187 @@ ACPI_MODULE_NAME("rsmemory") /******************************************************************************* * - * FUNCTION: acpi_rs_get_memory24 - * - * PARAMETERS: Aml - Pointer to the AML resource descriptor - * aml_resource_length - Length of the resource from the AML header - * Resource - Where the internal resource is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding - * internal resource descriptor, simplifying bitflags and handling - * alignment and endian issues if necessary. + * acpi_rs_convert_memory24 * ******************************************************************************/ -acpi_status -acpi_rs_get_memory24(union aml_resource * aml, - u16 aml_resource_length, struct acpi_resource * resource) -{ - ACPI_FUNCTION_TRACE("rs_get_memory24"); +struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24, + ACPI_RS_SIZE(struct acpi_resource_memory24), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)}, - /* Get the Read/Write bit */ + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24, + sizeof(struct aml_resource_memory24), + 0}, - resource->data.memory24.read_write_attribute = - (aml->memory24.information & 0x01); + /* Read/Write bit */ + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect), + AML_OFFSET(memory24.flags), + 0}, /* - * Get the following contiguous fields from the AML descriptor: + * These fields are contiguous in both the source and destination: * Minimum Base Address * Maximum Base Address * Address Base Alignment * Range Length */ - acpi_rs_move_data(&resource->data.memory24.minimum, - &aml->memory24.minimum, 4, ACPI_MOVE_TYPE_16_TO_32); - - /* Complete the resource header */ - - resource->type = ACPI_RESOURCE_TYPE_MEMORY24; - resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory24); - return_ACPI_STATUS(AE_OK); -} + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum), + AML_OFFSET(memory24.minimum), + 4} +}; /******************************************************************************* * - * FUNCTION: acpi_rs_set_memory24 - * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert an internal resource descriptor to the corresponding - * external AML resource descriptor. + * acpi_rs_convert_memory32 * ******************************************************************************/ -acpi_status -acpi_rs_set_memory24(struct acpi_resource *resource, union aml_resource *aml) -{ - ACPI_FUNCTION_TRACE("rs_set_memory24"); +struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32, + ACPI_RS_SIZE(struct acpi_resource_memory32), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)}, - /* Set the Information Byte */ + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32, + sizeof(struct aml_resource_memory32), + 0}, - aml->memory24.information = (u8) - (resource->data.memory24.read_write_attribute & 0x01); + /* Read/Write bit */ + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect), + AML_OFFSET(memory32.flags), + 0}, /* - * Set the following contiguous fields in the AML descriptor: + * These fields are contiguous in both the source and destination: * Minimum Base Address * Maximum Base Address * Address Base Alignment * Range Length */ - acpi_rs_move_data(&aml->memory24.minimum, - &resource->data.memory24.minimum, 4, - ACPI_MOVE_TYPE_32_TO_16); - - /* Complete the AML descriptor header */ - - acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_MEMORY24, - sizeof(struct aml_resource_memory24), aml); - return_ACPI_STATUS(AE_OK); -} + {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum), + AML_OFFSET(memory32.minimum), + 4} +}; /******************************************************************************* * - * FUNCTION: acpi_rs_get_memory32 - * - * PARAMETERS: Aml - Pointer to the AML resource descriptor - * aml_resource_length - Length of the resource from the AML header - * Resource - Where the internal resource is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding - * internal resource descriptor, simplifying bitflags and handling - * alignment and endian issues if necessary. + * acpi_rs_convert_fixed_memory32 * ******************************************************************************/ -acpi_status -acpi_rs_get_memory32(union aml_resource *aml, - u16 aml_resource_length, struct acpi_resource *resource) -{ - ACPI_FUNCTION_TRACE("rs_get_memory32"); +struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32, + ACPI_RS_SIZE(struct acpi_resource_fixed_memory32), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)}, - /* Get the Read/Write bit */ + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32, + sizeof(struct aml_resource_fixed_memory32), + 0}, - resource->data.memory32.read_write_attribute = - (aml->memory32.information & 0x01); + /* Read/Write bit */ + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect), + AML_OFFSET(fixed_memory32.flags), + 0}, /* - * Get the following contiguous fields from the AML descriptor: - * Minimum Base Address - * Maximum Base Address - * Address Base Alignment + * These fields are contiguous in both the source and destination: + * Base Address * Range Length */ - acpi_rs_move_data(&resource->data.memory32.minimum, - &aml->memory32.minimum, 4, ACPI_MOVE_TYPE_32_TO_32); - - /* Complete the resource header */ - - resource->type = ACPI_RESOURCE_TYPE_MEMORY32; - resource->length = ACPI_SIZEOF_RESOURCE(struct acpi_resource_memory32); - return_ACPI_STATUS(AE_OK); -} + {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address), + AML_OFFSET(fixed_memory32.address), + 2} +}; /******************************************************************************* * - * FUNCTION: acpi_rs_set_memory32 - * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert an internal resource descriptor to the corresponding - * external AML resource descriptor. + * acpi_rs_get_vendor_small * ******************************************************************************/ -acpi_status -acpi_rs_set_memory32(struct acpi_resource *resource, union aml_resource *aml) -{ - ACPI_FUNCTION_TRACE("rs_set_memory32"); - - /* Set the Information Byte */ +struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR, + ACPI_RS_SIZE(struct acpi_resource_vendor), + ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)}, - aml->memory32.information = (u8) - (resource->data.memory32.read_write_attribute & 0x01); + /* Length of the vendor data (byte count) */ - /* - * Set the following contiguous fields in the AML descriptor: - * Minimum Base Address - * Maximum Base Address - * Address Base Alignment - * Range Length - */ - acpi_rs_move_data(&aml->memory32.minimum, - &resource->data.memory32.minimum, 4, - ACPI_MOVE_TYPE_32_TO_32); + {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length), + 0, + sizeof(u8)} + , - /* Complete the AML descriptor header */ + /* Vendor data */ - acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_MEMORY32, - sizeof(struct aml_resource_memory32), aml); - return_ACPI_STATUS(AE_OK); -} + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]), + sizeof(struct aml_resource_small_header), + 0} +}; /******************************************************************************* * - * FUNCTION: acpi_rs_get_fixed_memory32 - * - * PARAMETERS: Aml - Pointer to the AML resource descriptor - * aml_resource_length - Length of the resource from the AML header - * Resource - Where the internal resource is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding - * internal resource descriptor, simplifying bitflags and handling - * alignment and endian issues if necessary. + * acpi_rs_get_vendor_large * ******************************************************************************/ -acpi_status -acpi_rs_get_fixed_memory32(union aml_resource *aml, - u16 aml_resource_length, - struct acpi_resource *resource) -{ - ACPI_FUNCTION_TRACE("rs_get_fixed_memory32"); - - /* Get the Read/Write bit */ +struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR, + ACPI_RS_SIZE(struct acpi_resource_vendor), + ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)}, - resource->data.fixed_memory32.read_write_attribute = - (aml->fixed_memory32.information & 0x01); + /* Length of the vendor data (byte count) */ - /* - * Get the following contiguous fields from the AML descriptor: - * Base Address - * Range Length - */ - ACPI_MOVE_32_TO_32(&resource->data.fixed_memory32.address, - &aml->fixed_memory32.address); - ACPI_MOVE_32_TO_32(&resource->data.fixed_memory32.address_length, - &aml->fixed_memory32.address_length); + {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length), + 0, + sizeof(u8)} + , - /* Complete the resource header */ + /* Vendor data */ - resource->type = ACPI_RESOURCE_TYPE_FIXED_MEMORY32; - resource->length = - ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_memory32); - return_ACPI_STATUS(AE_OK); -} + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]), + sizeof(struct aml_resource_large_header), + 0} +}; /******************************************************************************* * - * FUNCTION: acpi_rs_set_fixed_memory32 - * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert an internal resource descriptor to the corresponding - * external AML resource descriptor. + * acpi_rs_set_vendor * ******************************************************************************/ -acpi_status -acpi_rs_set_fixed_memory32(struct acpi_resource *resource, - union aml_resource *aml) -{ - ACPI_FUNCTION_TRACE("rs_set_fixed_memory32"); +struct acpi_rsconvert_info acpi_rs_set_vendor[7] = { + /* Default is a small vendor descriptor */ + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL, + sizeof(struct aml_resource_small_header), + ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)}, + + /* Get the length and copy the data */ - /* Set the Information Byte */ + {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length), + 0, + 0}, - aml->fixed_memory32.information = (u8) - (resource->data.fixed_memory32.read_write_attribute & 0x01); + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]), + sizeof(struct aml_resource_small_header), + 0}, /* - * Set the following contiguous fields in the AML descriptor: - * Base Address - * Range Length + * All done if the Vendor byte length is 7 or less, meaning that it will + * fit within a small descriptor */ - ACPI_MOVE_32_TO_32(&aml->fixed_memory32.address, - &resource->data.fixed_memory32.address); - ACPI_MOVE_32_TO_32(&aml->fixed_memory32.address_length, - &resource->data.fixed_memory32.address_length); - - /* Complete the AML descriptor header */ - - acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_FIXED_MEMORY32, - sizeof(struct aml_resource_fixed_memory32), - aml); - return_ACPI_STATUS(AE_OK); -} + {ACPI_RSC_EXIT_LE, 0, 0, 7}, + + /* Must create a large vendor descriptor */ + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE, + sizeof(struct aml_resource_large_header), + 0}, + + {ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length), + 0, + 0}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]), + sizeof(struct aml_resource_large_header), + 0} +}; 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