diff options
Diffstat (limited to 'drivers/acpi/resources/rsmisc.c')
| -rw-r--r-- | drivers/acpi/resources/rsmisc.c | 362 |
1 files changed, 146 insertions, 216 deletions
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c index d16be44b5df..7a8a34e757f 100644 --- a/drivers/acpi/resources/rsmisc.c +++ b/drivers/acpi/resources/rsmisc.c @@ -41,13 +41,11 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acresrc.h> #define _COMPONENT ACPI_RESOURCES - ACPI_MODULE_NAME ("rsmisc") - +ACPI_MODULE_NAME("rsmisc") /******************************************************************************* * @@ -69,44 +67,34 @@ * number of bytes consumed from the byte stream. * ******************************************************************************/ - acpi_status -acpi_rs_end_tag_resource ( - u8 *byte_stream_buffer, - acpi_size *bytes_consumed, - u8 **output_buffer, - acpi_size *structure_size) +acpi_rs_end_tag_resource(u8 * byte_stream_buffer, + acpi_size * bytes_consumed, + u8 ** output_buffer, acpi_size * structure_size) { - struct acpi_resource *output_struct = (void *) *output_buffer; - acpi_size struct_size = ACPI_RESOURCE_LENGTH; + struct acpi_resource *output_struct = (void *)*output_buffer; + acpi_size struct_size = ACPI_RESOURCE_LENGTH; + ACPI_FUNCTION_TRACE("rs_end_tag_resource"); - ACPI_FUNCTION_TRACE ("rs_end_tag_resource"); + /* The number of bytes consumed is static */ - - /* - * The number of bytes consumed is static - */ *bytes_consumed = 2; - /* - * Fill out the structure - */ + /* Fill out the structure */ + output_struct->id = ACPI_RSTYPE_END_TAG; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = 0; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_rs_end_tag_stream @@ -124,21 +112,16 @@ acpi_rs_end_tag_resource ( ******************************************************************************/ acpi_status -acpi_rs_end_tag_stream ( - struct acpi_resource *linked_list, - u8 **output_buffer, - acpi_size *bytes_consumed) +acpi_rs_end_tag_stream(struct acpi_resource *linked_list, + u8 ** output_buffer, acpi_size * bytes_consumed) { - u8 *buffer = *output_buffer; - u8 temp8 = 0; - + u8 *buffer = *output_buffer; + u8 temp8 = 0; - ACPI_FUNCTION_TRACE ("rs_end_tag_stream"); + ACPI_FUNCTION_TRACE("rs_end_tag_stream"); + /* The descriptor field is static */ - /* - * The descriptor field is static - */ *buffer = 0x79; buffer += 1; @@ -151,13 +134,11 @@ acpi_rs_end_tag_stream ( *buffer = temp8; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ - *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); - return_ACPI_STATUS (AE_OK); -} + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); + return_ACPI_STATUS(AE_OK); +} /******************************************************************************* * @@ -181,37 +162,32 @@ acpi_rs_end_tag_stream ( ******************************************************************************/ acpi_status -acpi_rs_vendor_resource ( - u8 *byte_stream_buffer, - acpi_size *bytes_consumed, - u8 **output_buffer, - acpi_size *structure_size) +acpi_rs_vendor_resource(u8 * byte_stream_buffer, + acpi_size * bytes_consumed, + u8 ** output_buffer, acpi_size * structure_size) { - u8 *buffer = byte_stream_buffer; - struct acpi_resource *output_struct = (void *) *output_buffer; - u16 temp16 = 0; - u8 temp8 = 0; - u8 index; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor); - + u8 *buffer = byte_stream_buffer; + struct acpi_resource *output_struct = (void *)*output_buffer; + u16 temp16 = 0; + u8 temp8 = 0; + u8 index; + acpi_size struct_size = + ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor); - ACPI_FUNCTION_TRACE ("rs_vendor_resource"); + ACPI_FUNCTION_TRACE("rs_vendor_resource"); + /* Dereference the Descriptor to find if this is a large or small item. */ - /* - * Dereference the Descriptor to find if this is a large or small item. - */ temp8 = *buffer; if (temp8 & 0x80) { - /* - * Large Item, point to the length field - */ + /* Large Item, point to the length field */ + buffer += 1; /* Dereference */ - ACPI_MOVE_16_TO_16 (&temp16, buffer); + ACPI_MOVE_16_TO_16(&temp16, buffer); /* Calculate bytes consumed */ @@ -220,12 +196,10 @@ acpi_rs_vendor_resource ( /* Point to the first vendor byte */ buffer += 2; - } - else { - /* - * Small Item, dereference the size - */ - temp16 = (u8)(*buffer & 0x07); + } else { + /* Small Item, dereference the size */ + + temp16 = (u8) (*buffer & 0x07); /* Calculate bytes consumed */ @@ -249,21 +223,18 @@ acpi_rs_vendor_resource ( * calculate the length of the vendor string and expand the * struct_size to the next 32-bit boundary. */ - struct_size += ACPI_ROUND_UP_to_32_bITS (temp16); + struct_size += ACPI_ROUND_UP_to_32_bITS(temp16); + + /* Set the Length parameter */ - /* - * Set the Length parameter - */ output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_rs_vendor_stream @@ -281,39 +252,31 @@ acpi_rs_vendor_resource ( ******************************************************************************/ acpi_status -acpi_rs_vendor_stream ( - struct acpi_resource *linked_list, - u8 **output_buffer, - acpi_size *bytes_consumed) +acpi_rs_vendor_stream(struct acpi_resource *linked_list, + u8 ** output_buffer, acpi_size * bytes_consumed) { - u8 *buffer = *output_buffer; - u16 temp16 = 0; - u8 temp8 = 0; - u8 index; + u8 *buffer = *output_buffer; + u16 temp16 = 0; + u8 temp8 = 0; + u8 index; + ACPI_FUNCTION_TRACE("rs_vendor_stream"); - ACPI_FUNCTION_TRACE ("rs_vendor_stream"); + /* Dereference the length to find if this is a large or small item. */ + if (linked_list->data.vendor_specific.length > 7) { + /* Large Item, Set the descriptor field and length bytes */ - /* - * Dereference the length to find if this is a large or small item. - */ - if(linked_list->data.vendor_specific.length > 7) { - /* - * Large Item, Set the descriptor field and length bytes - */ *buffer = 0x84; buffer += 1; temp16 = (u16) linked_list->data.vendor_specific.length; - ACPI_MOVE_16_TO_16 (buffer, &temp16); + ACPI_MOVE_16_TO_16(buffer, &temp16); buffer += 2; - } - else { - /* - * Small Item, Set the descriptor field - */ + } else { + /* Small Item, Set the descriptor field */ + temp8 = 0x70; temp8 |= (u8) linked_list->data.vendor_specific.length; @@ -321,23 +284,21 @@ acpi_rs_vendor_stream ( buffer += 1; } - /* - * Loop through all of the Vendor Specific fields - */ - for (index = 0; index < linked_list->data.vendor_specific.length; index++) { + /* Loop through all of the Vendor Specific fields */ + + for (index = 0; index < linked_list->data.vendor_specific.length; + index++) { temp8 = linked_list->data.vendor_specific.reserved[index]; *buffer = temp8; buffer += 1; } - /* - * Return the number of bytes consumed in this operation - */ - *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); - return_ACPI_STATUS (AE_OK); -} + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); + return_ACPI_STATUS(AE_OK); +} /******************************************************************************* * @@ -361,76 +322,68 @@ acpi_rs_vendor_stream ( ******************************************************************************/ acpi_status -acpi_rs_start_depend_fns_resource ( - u8 *byte_stream_buffer, - acpi_size *bytes_consumed, - u8 **output_buffer, - acpi_size *structure_size) +acpi_rs_start_depend_fns_resource(u8 * byte_stream_buffer, + acpi_size * bytes_consumed, + u8 ** output_buffer, + acpi_size * structure_size) { - u8 *buffer = byte_stream_buffer; - struct acpi_resource *output_struct = (void *) *output_buffer; - u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_start_dpf); + u8 *buffer = byte_stream_buffer; + struct acpi_resource *output_struct = (void *)*output_buffer; + u8 temp8 = 0; + acpi_size struct_size = + ACPI_SIZEOF_RESOURCE(struct acpi_resource_start_dpf); + ACPI_FUNCTION_TRACE("rs_start_depend_fns_resource"); - ACPI_FUNCTION_TRACE ("rs_start_depend_fns_resource"); + /* The number of bytes consumed are found in the descriptor (Bits:0-1) */ - - /* - * The number of bytes consumed are contained in the descriptor (Bits:0-1) - */ temp8 = *buffer; *bytes_consumed = (temp8 & 0x01) + 1; output_struct->id = ACPI_RSTYPE_START_DPF; - /* - * Point to Byte 1 if it is used - */ + /* Point to Byte 1 if it is used */ + if (2 == *bytes_consumed) { buffer += 1; temp8 = *buffer; - /* - * Check Compatibility priority - */ - output_struct->data.start_dpf.compatibility_priority = temp8 & 0x03; + /* Check Compatibility priority */ + + output_struct->data.start_dpf.compatibility_priority = + temp8 & 0x03; if (3 == output_struct->data.start_dpf.compatibility_priority) { - return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); + return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); } - /* - * Check Performance/Robustness preference - */ - output_struct->data.start_dpf.performance_robustness = (temp8 >> 2) & 0x03; + /* Check Performance/Robustness preference */ + + output_struct->data.start_dpf.performance_robustness = + (temp8 >> 2) & 0x03; if (3 == output_struct->data.start_dpf.performance_robustness) { - return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); + return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); } - } - else { + } else { output_struct->data.start_dpf.compatibility_priority = - ACPI_ACCEPTABLE_CONFIGURATION; + ACPI_ACCEPTABLE_CONFIGURATION; output_struct->data.start_dpf.performance_robustness = - ACPI_ACCEPTABLE_CONFIGURATION; + ACPI_ACCEPTABLE_CONFIGURATION; } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_rs_end_depend_fns_resource @@ -453,42 +406,33 @@ acpi_rs_start_depend_fns_resource ( ******************************************************************************/ acpi_status -acpi_rs_end_depend_fns_resource ( - u8 *byte_stream_buffer, - acpi_size *bytes_consumed, - u8 **output_buffer, - acpi_size *structure_size) +acpi_rs_end_depend_fns_resource(u8 * byte_stream_buffer, + acpi_size * bytes_consumed, + u8 ** output_buffer, acpi_size * structure_size) { - struct acpi_resource *output_struct = (void *) *output_buffer; - acpi_size struct_size = ACPI_RESOURCE_LENGTH; + struct acpi_resource *output_struct = (void *)*output_buffer; + acpi_size struct_size = ACPI_RESOURCE_LENGTH; + ACPI_FUNCTION_TRACE("rs_end_depend_fns_resource"); - ACPI_FUNCTION_TRACE ("rs_end_depend_fns_resource"); + /* The number of bytes consumed is static */ - - /* - * The number of bytes consumed is static - */ *bytes_consumed = 1; - /* - * Fill out the structure - */ + /* Fill out the structure */ + output_struct->id = ACPI_RSTYPE_END_DPF; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_rs_start_depend_fns_stream @@ -507,52 +451,45 @@ acpi_rs_end_depend_fns_resource ( ******************************************************************************/ acpi_status -acpi_rs_start_depend_fns_stream ( - struct acpi_resource *linked_list, - u8 **output_buffer, - acpi_size *bytes_consumed) +acpi_rs_start_depend_fns_stream(struct acpi_resource *linked_list, + u8 ** output_buffer, acpi_size * bytes_consumed) { - u8 *buffer = *output_buffer; - u8 temp8 = 0; - - - ACPI_FUNCTION_TRACE ("rs_start_depend_fns_stream"); + u8 *buffer = *output_buffer; + u8 temp8 = 0; + ACPI_FUNCTION_TRACE("rs_start_depend_fns_stream"); /* * The descriptor field is set based upon whether a byte is needed * to contain Priority data. */ if (ACPI_ACCEPTABLE_CONFIGURATION == - linked_list->data.start_dpf.compatibility_priority && - ACPI_ACCEPTABLE_CONFIGURATION == - linked_list->data.start_dpf.performance_robustness) { + linked_list->data.start_dpf.compatibility_priority && + ACPI_ACCEPTABLE_CONFIGURATION == + linked_list->data.start_dpf.performance_robustness) { *buffer = 0x30; - } - else { + } else { *buffer = 0x31; buffer += 1; - /* - * Set the Priority Byte Definition - */ + /* Set the Priority Byte Definition */ + temp8 = 0; - temp8 = (u8) ((linked_list->data.start_dpf.performance_robustness & - 0x03) << 2); - temp8 |= (linked_list->data.start_dpf.compatibility_priority & - 0x03); + temp8 = + (u8) ((linked_list->data.start_dpf. + performance_robustness & 0x03) << 2); + temp8 |= + (linked_list->data.start_dpf.compatibility_priority & 0x03); *buffer = temp8; } buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ - *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); - return_ACPI_STATUS (AE_OK); -} + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); + return_ACPI_STATUS(AE_OK); +} /******************************************************************************* * @@ -571,27 +508,20 @@ acpi_rs_start_depend_fns_stream ( ******************************************************************************/ acpi_status -acpi_rs_end_depend_fns_stream ( - struct acpi_resource *linked_list, - u8 **output_buffer, - acpi_size *bytes_consumed) +acpi_rs_end_depend_fns_stream(struct acpi_resource *linked_list, + u8 ** output_buffer, acpi_size * bytes_consumed) { - u8 *buffer = *output_buffer; - + u8 *buffer = *output_buffer; - ACPI_FUNCTION_TRACE ("rs_end_depend_fns_stream"); + ACPI_FUNCTION_TRACE("rs_end_depend_fns_stream"); + /* The descriptor field is static */ - /* - * The descriptor field is static - */ *buffer = 0x38; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ - *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); - return_ACPI_STATUS (AE_OK); -} + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer); + return_ACPI_STATUS(AE_OK); +} |