diff options
Diffstat (limited to 'drivers/acpi/tables/tbconvrt.c')
| -rw-r--r-- | drivers/acpi/tables/tbconvrt.c | 105 |
1 files changed, 73 insertions, 32 deletions
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c index 334327c..92e0c31 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 { |