diff options
Diffstat (limited to 'drivers/acpi/resources/rslist.c')
| -rw-r--r-- | drivers/acpi/resources/rslist.c | 279 |
1 files changed, 149 insertions, 130 deletions
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c index db7bcb4e60e..103eb31c284 100644 --- a/drivers/acpi/resources/rslist.c +++ b/drivers/acpi/resources/rslist.c @@ -41,13 +41,11 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acresrc.h> #define _COMPONENT ACPI_RESOURCES - ACPI_MODULE_NAME ("rslist") - +ACPI_MODULE_NAME("rslist") /******************************************************************************* * @@ -61,14 +59,10 @@ * a resource descriptor. * ******************************************************************************/ - -u8 -acpi_rs_get_resource_type ( - u8 resource_start_byte) +u8 acpi_rs_get_resource_type(u8 resource_start_byte) { - ACPI_FUNCTION_ENTRY (); - + ACPI_FUNCTION_ENTRY(); /* Determine if this is a small or large resource */ @@ -79,14 +73,12 @@ acpi_rs_get_resource_type ( return ((u8) (resource_start_byte & ACPI_RDESC_SMALL_MASK)); - case ACPI_RDESC_TYPE_LARGE: /* Large Resource Type -- All bits are valid */ return (resource_start_byte); - default: /* Invalid type */ break; @@ -95,7 +87,6 @@ acpi_rs_get_resource_type ( return (0xFF); } - /******************************************************************************* * * FUNCTION: acpi_rs_byte_stream_to_list @@ -113,176 +104,189 @@ acpi_rs_get_resource_type ( ******************************************************************************/ acpi_status -acpi_rs_byte_stream_to_list ( - u8 *byte_stream_buffer, - u32 byte_stream_buffer_length, - u8 *output_buffer) +acpi_rs_byte_stream_to_list(u8 * byte_stream_buffer, + u32 byte_stream_buffer_length, u8 * output_buffer) { - acpi_status status; - acpi_size bytes_parsed = 0; - u8 resource_type = 0; - acpi_size bytes_consumed = 0; - u8 *buffer = output_buffer; - acpi_size structure_size = 0; - u8 end_tag_processed = FALSE; - struct acpi_resource *resource; - - ACPI_FUNCTION_TRACE ("rs_byte_stream_to_list"); - - - while (bytes_parsed < byte_stream_buffer_length && - !end_tag_processed) { + acpi_status status; + acpi_size bytes_parsed = 0; + u8 resource_type = 0; + acpi_size bytes_consumed = 0; + u8 *buffer = output_buffer; + acpi_size structure_size = 0; + u8 end_tag_processed = FALSE; + struct acpi_resource *resource; + + ACPI_FUNCTION_TRACE("rs_byte_stream_to_list"); + + while (bytes_parsed < byte_stream_buffer_length && !end_tag_processed) { /* The next byte in the stream is the resource type */ - resource_type = acpi_rs_get_resource_type (*byte_stream_buffer); + resource_type = acpi_rs_get_resource_type(*byte_stream_buffer); switch (resource_type) { case ACPI_RDESC_TYPE_MEMORY_24: /* * 24-Bit Memory Resource */ - status = acpi_rs_memory24_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_memory24_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_LARGE_VENDOR: /* * Vendor Defined Resource */ - status = acpi_rs_vendor_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_vendor_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_MEMORY_32: /* * 32-Bit Memory Range Resource */ - status = acpi_rs_memory32_range_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = + acpi_rs_memory32_range_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_FIXED_MEMORY_32: /* * 32-Bit Fixed Memory Resource */ - status = acpi_rs_fixed_memory32_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = + acpi_rs_fixed_memory32_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE: case ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE: /* * 64-Bit Address Resource */ - status = acpi_rs_address64_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_address64_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE: /* * 32-Bit Address Resource */ - status = acpi_rs_address32_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_address32_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE: /* * 16-Bit Address Resource */ - status = acpi_rs_address16_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_address16_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_EXTENDED_XRUPT: /* * Extended IRQ */ - status = acpi_rs_extended_irq_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = + acpi_rs_extended_irq_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_IRQ_FORMAT: /* * IRQ Resource */ - status = acpi_rs_irq_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_irq_resource(byte_stream_buffer, + &bytes_consumed, &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_DMA_FORMAT: /* * DMA Resource */ - status = acpi_rs_dma_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_dma_resource(byte_stream_buffer, + &bytes_consumed, &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_START_DEPENDENT: /* * Start Dependent Functions Resource */ - status = acpi_rs_start_depend_fns_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = + acpi_rs_start_depend_fns_resource + (byte_stream_buffer, &bytes_consumed, &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_END_DEPENDENT: /* * End Dependent Functions Resource */ - status = acpi_rs_end_depend_fns_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = + acpi_rs_end_depend_fns_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_IO_PORT: /* * IO Port Resource */ - status = acpi_rs_io_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_io_resource(byte_stream_buffer, + &bytes_consumed, &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_FIXED_IO_PORT: /* * Fixed IO Port Resource */ - status = acpi_rs_fixed_io_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_fixed_io_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_SMALL_VENDOR: /* * Vendor Specific Resource */ - status = acpi_rs_vendor_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_vendor_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - case ACPI_RDESC_TYPE_END_TAG: /* * End Tag */ end_tag_processed = TRUE; - status = acpi_rs_end_tag_resource (byte_stream_buffer, - &bytes_consumed, &buffer, &structure_size); + status = acpi_rs_end_tag_resource(byte_stream_buffer, + &bytes_consumed, + &buffer, + &structure_size); break; - default: /* * Invalid/Unknown resource type @@ -291,8 +295,8 @@ acpi_rs_byte_stream_to_list ( break; } - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Update the return value and counter */ @@ -305,21 +309,21 @@ acpi_rs_byte_stream_to_list ( /* Set the Buffer to the next structure */ - resource = ACPI_CAST_PTR (struct acpi_resource, buffer); - resource->length = (u32) ACPI_ALIGN_RESOURCE_SIZE (resource->length); - buffer += ACPI_ALIGN_RESOURCE_SIZE (structure_size); + resource = ACPI_CAST_PTR(struct acpi_resource, buffer); + resource->length = + (u32) ACPI_ALIGN_RESOURCE_SIZE(resource->length); + buffer += ACPI_ALIGN_RESOURCE_SIZE(structure_size); } /* Check the reason for exiting the while loop */ if (!end_tag_processed) { - return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG); + return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_rs_list_to_byte_stream @@ -342,19 +346,16 @@ acpi_rs_byte_stream_to_list ( ******************************************************************************/ acpi_status -acpi_rs_list_to_byte_stream ( - struct acpi_resource *linked_list, - acpi_size byte_stream_size_needed, - u8 *output_buffer) +acpi_rs_list_to_byte_stream(struct acpi_resource *linked_list, + acpi_size byte_stream_size_needed, + u8 * output_buffer) { - acpi_status status; - u8 *buffer = output_buffer; - acpi_size bytes_consumed = 0; - u8 done = FALSE; - - - ACPI_FUNCTION_TRACE ("rs_list_to_byte_stream"); + acpi_status status; + u8 *buffer = output_buffer; + acpi_size bytes_consumed = 0; + u8 done = FALSE; + ACPI_FUNCTION_TRACE("rs_list_to_byte_stream"); while (!done) { switch (linked_list->id) { @@ -362,58 +363,72 @@ acpi_rs_list_to_byte_stream ( /* * IRQ Resource */ - status = acpi_rs_irq_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_irq_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_DMA: /* * DMA Resource */ - status = acpi_rs_dma_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_dma_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_START_DPF: /* * Start Dependent Functions Resource */ - status = acpi_rs_start_depend_fns_stream (linked_list, - &buffer, &bytes_consumed); + status = acpi_rs_start_depend_fns_stream(linked_list, + &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_END_DPF: /* * End Dependent Functions Resource */ - status = acpi_rs_end_depend_fns_stream (linked_list, - &buffer, &bytes_consumed); + status = acpi_rs_end_depend_fns_stream(linked_list, + &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_IO: /* * IO Port Resource */ - status = acpi_rs_io_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_io_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_FIXED_IO: /* * Fixed IO Port Resource */ - status = acpi_rs_fixed_io_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_fixed_io_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_VENDOR: /* * Vendor Defined Resource */ - status = acpi_rs_vendor_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_vendor_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_END_TAG: /* * End Tag */ - status = acpi_rs_end_tag_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_end_tag_stream(linked_list, &buffer, + &bytes_consumed); /* An End Tag indicates the end of the Resource Template */ @@ -424,55 +439,60 @@ acpi_rs_list_to_byte_stream ( /* * 24-Bit Memory Resource */ - status = acpi_rs_memory24_stream (linked_list, &buffer, &bytes_consumed); + status = + acpi_rs_memory24_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_MEM32: /* * 32-Bit Memory Range Resource */ - status = acpi_rs_memory32_range_stream (linked_list, &buffer, - &bytes_consumed); + status = + acpi_rs_memory32_range_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_FIXED_MEM32: /* * 32-Bit Fixed Memory Resource */ - status = acpi_rs_fixed_memory32_stream (linked_list, &buffer, - &bytes_consumed); + status = + acpi_rs_fixed_memory32_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_ADDRESS16: /* * 16-Bit Address Descriptor Resource */ - status = acpi_rs_address16_stream (linked_list, &buffer, - &bytes_consumed); + status = acpi_rs_address16_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_ADDRESS32: /* * 32-Bit Address Descriptor Resource */ - status = acpi_rs_address32_stream (linked_list, &buffer, - &bytes_consumed); + status = acpi_rs_address32_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_ADDRESS64: /* * 64-Bit Address Descriptor Resource */ - status = acpi_rs_address64_stream (linked_list, &buffer, - &bytes_consumed); + status = acpi_rs_address64_stream(linked_list, &buffer, + &bytes_consumed); break; case ACPI_RSTYPE_EXT_IRQ: /* * Extended IRQ Resource */ - status = acpi_rs_extended_irq_stream (linked_list, &buffer, - &bytes_consumed); + status = + acpi_rs_extended_irq_stream(linked_list, &buffer, + &bytes_consumed); break; default: @@ -480,15 +500,15 @@ acpi_rs_list_to_byte_stream ( * If we get here, everything is out of sync, * so exit with an error */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Invalid descriptor type (%X) in resource list\n", - linked_list->id)); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Invalid descriptor type (%X) in resource list\n", + linked_list->id)); status = AE_BAD_DATA; break; } - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Set the Buffer to point to the open byte */ @@ -497,10 +517,9 @@ acpi_rs_list_to_byte_stream ( /* Point to the next object */ - linked_list = ACPI_PTR_ADD (struct acpi_resource, - linked_list, linked_list->length); + linked_list = ACPI_PTR_ADD(struct acpi_resource, + linked_list, linked_list->length); } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - |