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path: root/drivers/acpi/tables/tbconvrt.c
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Diffstat (limited to 'drivers/acpi/tables/tbconvrt.c')
-rw-r--r--drivers/acpi/tables/tbconvrt.c105
1 files changed, 73 insertions, 32 deletions
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 334327c1f66f..92e0c31539be 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -50,6 +50,24 @@
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME ("tbconvrt")
+/* Local prototypes */
+
+static void
+acpi_tb_init_generic_address (
+ struct acpi_generic_address *new_gas_struct,
+ u8 register_bit_width,
+ acpi_physical_address address);
+
+static void
+acpi_tb_convert_fadt1 (
+ struct fadt_descriptor_rev2 *local_fadt,
+ struct fadt_descriptor_rev1 *original_fadt);
+
+static void
+acpi_tb_convert_fadt2 (
+ struct fadt_descriptor_rev2 *local_fadt,
+ struct fadt_descriptor_rev2 *original_fadt);
+
u8 acpi_fadt_is_v1;
EXPORT_SYMBOL(acpi_fadt_is_v1);
@@ -142,11 +160,13 @@ acpi_tb_convert_to_xsdt (
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
if (acpi_gbl_RSDP->revision < 2) {
ACPI_STORE_ADDRESS (new_table->table_offset_entry[i],
- (ACPI_CAST_PTR (struct rsdt_descriptor_rev1, table_info->pointer))->table_offset_entry[i]);
+ (ACPI_CAST_PTR (struct rsdt_descriptor_rev1,
+ table_info->pointer))->table_offset_entry[i]);
}
else {
new_table->table_offset_entry[i] =
- (ACPI_CAST_PTR (XSDT_DESCRIPTOR, table_info->pointer))->table_offset_entry[i];
+ (ACPI_CAST_PTR (XSDT_DESCRIPTOR,
+ table_info->pointer))->table_offset_entry[i];
}
}
@@ -164,7 +184,7 @@ acpi_tb_convert_to_xsdt (
}
-/******************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_tb_init_generic_address
*
@@ -201,7 +221,7 @@ acpi_tb_init_generic_address (
* PARAMETERS: local_fadt - Pointer to new FADT
* original_fadt - Pointer to old FADT
*
- * RETURN: Populates local_fadt
+ * RETURN: None, populates local_fadt
*
* DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format
*
@@ -213,7 +233,6 @@ acpi_tb_convert_fadt1 (
struct fadt_descriptor_rev1 *original_fadt)
{
-
/* ACPI 1.0 FACS */
/* The BIOS stored FADT should agree with Revision 1.0 */
acpi_fadt_is_v1 = 1;
@@ -232,7 +251,8 @@ acpi_tb_convert_fadt1 (
ACPI_STORE_ADDRESS (local_fadt->Xdsdt, local_fadt->V1_dsdt);
/*
- * System Interrupt Model isn't used in ACPI 2.0 (local_fadt->Reserved1 = 0;)
+ * System Interrupt Model isn't used in ACPI 2.0
+ * (local_fadt->Reserved1 = 0;)
*/
/*
@@ -269,7 +289,8 @@ acpi_tb_convert_fadt1 (
* that immediately follows.
*/
ACPI_MEMCPY (&local_fadt->reset_register,
- &(ACPI_CAST_PTR (struct fadt_descriptor_rev2_minus, original_fadt))->reset_register,
+ &(ACPI_CAST_PTR (struct fadt_descriptor_rev2_minus,
+ original_fadt))->reset_register,
sizeof (struct acpi_generic_address) + 1);
}
else {
@@ -304,7 +325,8 @@ acpi_tb_convert_fadt1 (
acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable,
(u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
- (acpi_physical_address) (local_fadt->xpm1a_evt_blk.address +
+ (acpi_physical_address)
+ (local_fadt->xpm1a_evt_blk.address +
ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
/* PM1B is optional; leave null if not present */
@@ -312,7 +334,8 @@ acpi_tb_convert_fadt1 (
if (local_fadt->xpm1b_evt_blk.address) {
acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable,
(u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
- (acpi_physical_address) (local_fadt->xpm1b_evt_blk.address +
+ (acpi_physical_address)
+ (local_fadt->xpm1b_evt_blk.address +
ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
}
}
@@ -325,7 +348,7 @@ acpi_tb_convert_fadt1 (
* PARAMETERS: local_fadt - Pointer to new FADT
* original_fadt - Pointer to old FADT
*
- * RETURN: Populates local_fadt
+ * RETURN: None, populates local_fadt
*
* DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format.
* Handles optional "X" fields.
@@ -348,7 +371,8 @@ acpi_tb_convert_fadt2 (
* is zero.
*/
if (!(local_fadt->xfirmware_ctrl)) {
- ACPI_STORE_ADDRESS (local_fadt->xfirmware_ctrl, local_fadt->V1_firmware_ctrl);
+ ACPI_STORE_ADDRESS (local_fadt->xfirmware_ctrl,
+ local_fadt->V1_firmware_ctrl);
}
if (!(local_fadt->Xdsdt)) {
@@ -357,32 +381,38 @@ acpi_tb_convert_fadt2 (
if (!(local_fadt->xpm1a_evt_blk.address)) {
acpi_tb_init_generic_address (&local_fadt->xpm1a_evt_blk,
- local_fadt->pm1_evt_len, (acpi_physical_address) local_fadt->V1_pm1a_evt_blk);
+ local_fadt->pm1_evt_len,
+ (acpi_physical_address) local_fadt->V1_pm1a_evt_blk);
}
if (!(local_fadt->xpm1b_evt_blk.address)) {
acpi_tb_init_generic_address (&local_fadt->xpm1b_evt_blk,
- local_fadt->pm1_evt_len, (acpi_physical_address) local_fadt->V1_pm1b_evt_blk);
+ local_fadt->pm1_evt_len,
+ (acpi_physical_address) local_fadt->V1_pm1b_evt_blk);
}
if (!(local_fadt->xpm1a_cnt_blk.address)) {
acpi_tb_init_generic_address (&local_fadt->xpm1a_cnt_blk,
- local_fadt->pm1_cnt_len, (acpi_physical_address) local_fadt->V1_pm1a_cnt_blk);
+ local_fadt->pm1_cnt_len,
+ (acpi_physical_address) local_fadt->V1_pm1a_cnt_blk);
}
if (!(local_fadt->xpm1b_cnt_blk.address)) {
acpi_tb_init_generic_address (&local_fadt->xpm1b_cnt_blk,
- local_fadt->pm1_cnt_len, (acpi_physical_address) local_fadt->V1_pm1b_cnt_blk);
+ local_fadt->pm1_cnt_len,
+ (acpi_physical_address) local_fadt->V1_pm1b_cnt_blk);
}
if (!(local_fadt->xpm2_cnt_blk.address)) {
acpi_tb_init_generic_address (&local_fadt->xpm2_cnt_blk,
- local_fadt->pm2_cnt_len, (acpi_physical_address) local_fadt->V1_pm2_cnt_blk);
+ local_fadt->pm2_cnt_len,
+ (acpi_physical_address) local_fadt->V1_pm2_cnt_blk);
}
if (!(local_fadt->xpm_tmr_blk.address)) {
acpi_tb_init_generic_address (&local_fadt->xpm_tmr_blk,
- local_fadt->pm_tm_len, (acpi_physical_address) local_fadt->V1_pm_tmr_blk);
+ local_fadt->pm_tm_len,
+ (acpi_physical_address) local_fadt->V1_pm_tmr_blk);
}
if (!(local_fadt->xgpe0_blk.address)) {
@@ -399,18 +429,24 @@ acpi_tb_convert_fadt2 (
acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable,
(u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
- (acpi_physical_address) (local_fadt->xpm1a_evt_blk.address +
+ (acpi_physical_address)
+ (local_fadt->xpm1a_evt_blk.address +
ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
- acpi_gbl_xpm1a_enable.address_space_id = local_fadt->xpm1a_evt_blk.address_space_id;
+
+ acpi_gbl_xpm1a_enable.address_space_id =
+ local_fadt->xpm1a_evt_blk.address_space_id;
/* PM1B is optional; leave null if not present */
if (local_fadt->xpm1b_evt_blk.address) {
acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable,
(u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
- (acpi_physical_address) (local_fadt->xpm1b_evt_blk.address +
+ (acpi_physical_address)
+ (local_fadt->xpm1b_evt_blk.address +
ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
- acpi_gbl_xpm1b_enable.address_space_id = local_fadt->xpm1b_evt_blk.address_space_id;
+
+ acpi_gbl_xpm1b_enable.address_space_id =
+ local_fadt->xpm1b_evt_blk.address_space_id;
}
}
@@ -432,7 +468,8 @@ acpi_tb_convert_fadt2 (
******************************************************************************/
acpi_status
-acpi_tb_convert_table_fadt (void)
+acpi_tb_convert_table_fadt (
+ void)
{
struct fadt_descriptor_rev2 *local_fadt;
struct acpi_table_desc *table_desc;
@@ -446,7 +483,8 @@ acpi_tb_convert_table_fadt (void)
* at least as long as the version 1.0 FADT
*/
if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev1)) {
- ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n", acpi_gbl_FADT->length));
+ ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n",
+ acpi_gbl_FADT->length));
return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
}
@@ -461,8 +499,9 @@ acpi_tb_convert_table_fadt (void)
if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev2)) {
/* Length is too short to be a V2.0 table */
- ACPI_REPORT_WARNING (("Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n",
- acpi_gbl_FADT->length, acpi_gbl_FADT->revision));
+ ACPI_REPORT_WARNING ((
+ "Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n",
+ acpi_gbl_FADT->length, acpi_gbl_FADT->revision));
acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT);
}
@@ -478,9 +517,8 @@ acpi_tb_convert_table_fadt (void)
acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT);
}
- /*
- * Global FADT pointer will point to the new common V2.0 FADT
- */
+ /* Global FADT pointer will point to the new common V2.0 FADT */
+
acpi_gbl_FADT = local_fadt;
acpi_gbl_FADT->length = sizeof (FADT_DESCRIPTOR);
@@ -508,7 +546,7 @@ acpi_tb_convert_table_fadt (void)
/*******************************************************************************
*
- * FUNCTION: acpi_tb_convert_table_facs
+ * FUNCTION: acpi_tb_build_common_facs
*
* PARAMETERS: table_info - Info for currently installed FACS
*
@@ -530,12 +568,14 @@ acpi_tb_build_common_facs (
/* Absolute minimum length is 24, but the ACPI spec says 64 */
if (acpi_gbl_FACS->length < 24) {
- ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n", acpi_gbl_FACS->length));
+ ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n",
+ acpi_gbl_FACS->length));
return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
}
if (acpi_gbl_FACS->length < 64) {
- ACPI_REPORT_WARNING (("FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n",
+ ACPI_REPORT_WARNING ((
+ "FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n",
acpi_gbl_FACS->length));
}
@@ -548,7 +588,8 @@ acpi_tb_build_common_facs (
(!(acpi_gbl_FACS->xfirmware_waking_vector))) {
/* ACPI 1.0 FACS or short table or optional X_ field is zero */
- acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR (u64, &(acpi_gbl_FACS->firmware_waking_vector));
+ acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR (u64,
+ &(acpi_gbl_FACS->firmware_waking_vector));
acpi_gbl_common_fACS.vector_width = 32;
}
else {