diff options
Diffstat (limited to 'drivers')
138 files changed, 3289 insertions, 2074 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 82b96ee8624c..b7e2e776397d 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -5,10 +5,10 @@ menuconfig ACPI bool "ACPI (Advanced Configuration and Power Interface) Support" depends on !IA64_HP_SIM - depends on IA64 || X86 || (ARM64 && EXPERT) + depends on IA64 || X86 || ARM64 depends on PCI select PNP - default y + default y if (IA64 || X86) help Advanced Configuration and Power Interface (ACPI) support for Linux requires an ACPI-compliant platform (hardware/firmware), @@ -311,12 +311,12 @@ config ACPI_CUSTOM_DSDT bool default ACPI_CUSTOM_DSDT_FILE != "" -config ACPI_INITRD_TABLE_OVERRIDE - bool "ACPI tables override via initrd" +config ACPI_TABLE_UPGRADE + bool "Allow upgrading ACPI tables via initrd" depends on BLK_DEV_INITRD && X86 - default n + default y help - This option provides functionality to override arbitrary ACPI tables + This option provides functionality to upgrade arbitrary ACPI tables via initrd. No functional change if no ACPI tables are passed via initrd, therefore it's safe to say Y. See Documentation/acpi/initrd_table_override.txt for details diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index edeb2d1d99be..251ce85a66fb 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_ACPI) += acpi.o \ acpica/ # All the builtin files are in the "acpi." module_param namespace. -acpi-y += osl.o utils.o reboot.o +acpi-y += osi.o osl.o utils.o reboot.o acpi-y += nvs.o # Power management related files @@ -47,6 +47,7 @@ acpi-$(CONFIG_ARM_AMBA) += acpi_amba.o acpi-y += int340x_thermal.o acpi-y += power.o acpi-y += event.o +acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o acpi-y += sysfs.o acpi-y += property.o acpi-$(CONFIG_X86) += acpi_cmos_rtc.o diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c index 2a61b54ab968..7f77c071709a 100644 --- a/drivers/acpi/acpi_amba.c +++ b/drivers/acpi/acpi_amba.c @@ -35,8 +35,7 @@ static void amba_register_dummy_clk(void) if (amba_dummy_clk) return; - amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, - CLK_IS_ROOT, 0); + amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0); clk_register_clkdev(amba_dummy_clk, "apb_pclk", NULL); } diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index f245bf35bedb..1daf9c46df8e 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -62,8 +62,7 @@ static int acpi_apd_setup(struct apd_private_data *pdata) if (dev_desc->fixed_clk_rate) { clk = clk_register_fixed_rate(&pdata->adev->dev, dev_name(&pdata->adev->dev), - NULL, CLK_IS_ROOT, - dev_desc->fixed_clk_rate); + NULL, 0, dev_desc->fixed_clk_rate); clk_register_clkdev(clk, NULL, dev_name(&pdata->adev->dev)); pdata->clk = clk; } diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 4361bc98ef4c..3d5b8a099351 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -191,19 +191,6 @@ struct acpi_video_device_cap { u8 _DDC:1; /* Return the EDID for this device */ }; -struct acpi_video_brightness_flags { - u8 _BCL_no_ac_battery_levels:1; /* no AC/Battery levels in _BCL */ - u8 _BCL_reversed:1; /* _BCL package is in a reversed order */ - u8 _BQC_use_index:1; /* _BQC returns an index value */ -}; - -struct acpi_video_device_brightness { - int curr; - int count; - int *levels; - struct acpi_video_brightness_flags flags; -}; - struct acpi_video_device { unsigned long device_id; struct acpi_video_device_flags flags; @@ -325,7 +312,7 @@ static const struct thermal_cooling_device_ops video_cooling_ops = { */ static int -acpi_video_device_lcd_query_levels(struct acpi_video_device *device, +acpi_video_device_lcd_query_levels(acpi_handle handle, union acpi_object **levels) { int status; @@ -335,7 +322,7 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device, *levels = NULL; - status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer); + status = acpi_evaluate_object(handle, "_BCL", NULL, &buffer); if (!ACPI_SUCCESS(status)) return status; obj = (union acpi_object *)buffer.pointer; @@ -766,36 +753,28 @@ static int acpi_video_bqc_quirk(struct acpi_video_device *device, return 0; } - -/* - * Arg: - * device : video output device (LCD, CRT, ..) - * - * Return Value: - * Maximum brightness level - * - * Allocate and initialize device->brightness. - */ - -static int -acpi_video_init_brightness(struct acpi_video_device *device) +int acpi_video_get_levels(struct acpi_device *device, + struct acpi_video_device_brightness **dev_br) { union acpi_object *obj = NULL; int i, max_level = 0, count = 0, level_ac_battery = 0; - unsigned long long level, level_old; union acpi_object *o; struct acpi_video_device_brightness *br = NULL; - int result = -EINVAL; + int result = 0; u32 value; - if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { + if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device->handle, + &obj))) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available " "LCD brightness level\n")); + result = -ENODEV; goto out; } - if (obj->package.count < 2) + if (obj->package.count < 2) { + result = -EINVAL; goto out; + } br = kzalloc(sizeof(*br), GFP_KERNEL); if (!br) { @@ -861,6 +840,38 @@ acpi_video_init_brightness(struct acpi_video_device *device) "Found unordered _BCL package")); br->count = count; + *dev_br = br; + +out: + kfree(obj); + return result; +out_free: + kfree(br); + goto out; +} +EXPORT_SYMBOL(acpi_video_get_levels); + +/* + * Arg: + * device : video output device (LCD, CRT, ..) + * + * Return Value: + * Maximum brightness level + * + * Allocate and initialize device->brightness. + */ + +static int +acpi_video_init_brightness(struct acpi_video_device *device) +{ + int i, max_level = 0; + unsigned long long level, level_old; + struct acpi_video_device_brightness *br = NULL; + int result = -EINVAL; + + result = acpi_video_get_levels(device->dev, &br); + if (result) + return result; device->brightness = br; /* _BQC uses INDEX while _BCL uses VALUE in some laptops */ @@ -903,17 +914,13 @@ set_level: goto out_free_levels; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "found %d brightness levels\n", count - 2)); - kfree(obj); - return result; + "found %d brightness levels\n", br->count - 2)); + return 0; out_free_levels: kfree(br->levels); -out_free: kfree(br); -out: device->brightness = NULL; - kfree(obj); return result; } diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index f682374c19f4..227bb7bb19d7 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -43,6 +43,7 @@ acpi-y += \ evxfregn.o acpi-y += \ + exconcat.o \ exconfig.o \ exconvrt.o \ excreate.o \ @@ -149,6 +150,7 @@ acpi-y += \ acpi-y += \ utaddress.o \ utalloc.o \ + utascii.o \ utbuffer.o \ utcopy.o \ utexcep.o \ diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index 993af9eb007a..f6404ea928cb 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -53,7 +53,7 @@ #define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */ struct acpi_db_command_info { - char *name; /* Command Name */ + const char *name; /* Command Name */ u8 min_args; /* Minimum arguments required */ }; @@ -64,7 +64,7 @@ struct acpi_db_command_help { }; struct acpi_db_argument_info { - char *name; /* Argument Name */ + const char *name; /* Argument Name */ }; struct acpi_db_execute_walk { @@ -196,7 +196,7 @@ ACPI_DBR_DEPENDENT_RETURN_VOID(void acpi_walk_state *walk_state)) - acpi_status acpi_db_display_all_methods(char *display_count_arg); +acpi_status acpi_db_display_all_methods(char *display_count_arg); void acpi_db_display_arguments(void); @@ -220,7 +220,7 @@ ACPI_DBR_DEPENDENT_RETURN_VOID(void * dbexec - debugger control method execution */ void -acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags); +acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags); void acpi_db_create_execution_threads(char *num_threads_arg, @@ -271,7 +271,7 @@ void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context); acpi_status acpi_db_user_commands(void); char *acpi_db_get_next_token(char *string, - char **next, acpi_object_type * return_type); + char **next, acpi_object_type *return_type); /* * dbobject diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 010cf81bada9..77af91cf46d4 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -72,6 +72,7 @@ acpi_status acpi_ev_init_global_lock_handler(void); ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_acquire_global_lock(u16 timeout)) ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void)) + acpi_status acpi_ev_remove_global_lock_handler(void); /* @@ -198,8 +199,6 @@ void acpi_ev_detach_region(union acpi_operand_object *region_obj, u8 acpi_ns_is_locked); -void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj); - void acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_adr_space_type space_id, u32 function); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 51b073b68f16..fded776236e2 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -187,6 +187,8 @@ extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; +extern const char acpi_gbl_lower_hex_digits[]; +extern const char acpi_gbl_upper_hex_digits[]; extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; #ifdef ACPI_DBG_TRACK_ALLOCATIONS @@ -361,6 +363,15 @@ ACPI_GLOBAL(u32, acpi_gbl_num_objects); #endif /* ACPI_DEBUGGER */ +#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) + +ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]); +ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]); +ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]); +ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]); + +#endif + /***************************************************************************** * * Application globals diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h index bae1a35c345f..7ead235555cf 100644 --- a/drivers/acpi/acpica/acinterp.h +++ b/drivers/acpi/acpica/acinterp.h @@ -67,7 +67,7 @@ typedef const struct acpi_exdump_info { u8 opcode; u8 offset; - char *name; + const char *name; } acpi_exdump_info; @@ -370,7 +370,7 @@ acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr, acpi_status acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, union acpi_operand_object *operand, - acpi_object_type * return_type, + acpi_object_type *return_type, union acpi_operand_object **return_desc); /* diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 9562a10a1a18..13331d70dea0 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -278,7 +278,7 @@ struct acpi_create_field_info { }; typedef -acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state); +acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state); /* * Bitmapped ACPI types. Used internally only @@ -395,11 +395,12 @@ union acpi_predefined_info { /* Return object auto-repair info */ -typedef acpi_status(*acpi_object_converter) (struct acpi_namespace_node * scope, - union acpi_operand_object - *original_object, - union acpi_operand_object - **converted_object); +typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node * + scope, + union acpi_operand_object * + original_object, + union acpi_operand_object ** + converted_object); struct acpi_simple_repair_info { char name[ACPI_NAME_SIZE]; @@ -539,10 +540,10 @@ struct acpi_gpe_device_info { struct acpi_namespace_node *gpe_device; }; -typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * - gpe_xrupt_info, - struct acpi_gpe_block_info *gpe_block, - void *context); +typedef acpi_status (*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * + gpe_xrupt_info, + struct acpi_gpe_block_info * + gpe_block, void *context); /* Information about each particular fixed event */ @@ -657,10 +658,11 @@ struct acpi_result_values { }; typedef -acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, - union acpi_parse_object ** out_op); +acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state, + union acpi_parse_object ** out_op); -typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); +typedef +acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state); /* Global handlers for AML Notifies */ @@ -700,7 +702,8 @@ union acpi_generic_state { * ****************************************************************************/ -typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state); +typedef +acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state); /* Address Range info block */ @@ -853,24 +856,24 @@ struct acpi_parse_state { /* Parse object flags */ -#define ACPI_PARSEOP_GENERIC 0x01 -#define ACPI_PARSEOP_NAMED 0x02 -#define ACPI_PARSEOP_DEFERRED 0x04 -#define ACPI_PARSEOP_BYTELIST 0x08 -#define ACPI_PARSEOP_IN_STACK 0x10 -#define ACPI_PARSEOP_TARGET 0x20 -#define ACPI_PARSEOP_IN_CACHE 0x80 +#define ACPI_PARSEOP_GENERIC 0x01 +#define ACPI_PARSEOP_NAMED_OBJECT 0x02 +#define ACPI_PARSEOP_DEFERRED 0x04 +#define ACPI_PARSEOP_BYTELIST 0x08 +#define ACPI_PARSEOP_IN_STACK 0x10 +#define ACPI_PARSEOP_TARGET 0x20 +#define ACPI_PARSEOP_IN_CACHE 0x80 /* Parse object disasm_flags */ -#define ACPI_PARSEOP_IGNORE 0x01 -#define ACPI_PARSEOP_PARAMLIST 0x02 -#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 -#define ACPI_PARSEOP_PREDEF_CHECKED 0x08 -#define ACPI_PARSEOP_CLOSING_PAREN 0x10 -#define ACPI_PARSEOP_COMPOUND 0x20 -#define ACPI_PARSEOP_ASSIGNMENT 0x40 -#define ACPI_PARSEOP_ELSEIF 0x80 +#define ACPI_PARSEOP_IGNORE 0x01 +#define ACPI_PARSEOP_PARAMETER_LIST 0x02 +#define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 +#define ACPI_PARSEOP_PREDEFINED_CHECKED 0x08 +#define ACPI_PARSEOP_CLOSING_PAREN 0x10 +#define ACPI_PARSEOP_COMPOUND_ASSIGNMENT 0x20 +#define ACPI_PARSEOP_ASSIGNMENT 0x40 +#define ACPI_PARSEOP_ELSEIF 0x80 /***************************************************************************** * @@ -1096,6 +1099,7 @@ struct acpi_external_list { #define ACPI_EXT_ORIGIN_FROM_FILE 0x02 /* External came from a file */ #define ACPI_EXT_INTERNAL_PATH_ALLOCATED 0x04 /* Deallocate internal path on completion */ #define ACPI_EXT_EXTERNAL_EMITTED 0x08 /* External() statement has been emitted */ +#define ACPI_EXT_ORIGIN_FROM_OPCODE 0x10 /* External came from a External() opcode */ struct acpi_external_file { char *path; diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index 411c18b7d541..a3b95431b7c5 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -260,14 +260,31 @@ #define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1)) +/* Generic (power-of-two) rounding */ + +#define ACPI_IS_ALIGNED(a, s) (((a) & ((s) - 1)) == 0) +#define ACPI_IS_POWER_OF_TWO(a) ACPI_IS_ALIGNED(a, a) + /* * Bitmask creation * Bit positions start at zero. * MASK_BITS_ABOVE creates a mask starting AT the position and above * MASK_BITS_BELOW creates a mask starting one bit BELOW the position + * MASK_BITS_ABOVE/BELOW accpets a bit offset to create a mask + * MASK_BITS_ABOVE/BELOW_32/64 accpets a bit width to create a mask + * Note: The ACPI_INTEGER_BIT_SIZE check is used to bypass compiler + * differences with the shift operator */ #define ACPI_MASK_BITS_ABOVE(position) (~((ACPI_UINT64_MAX) << ((u32) (position)))) #define ACPI_MASK_BITS_BELOW(position) ((ACPI_UINT64_MAX) << ((u32) (position))) +#define ACPI_MASK_BITS_ABOVE_32(width) ((u32) ACPI_MASK_BITS_ABOVE(width)) +#define ACPI_MASK_BITS_BELOW_32(width) ((u32) ACPI_MASK_BITS_BELOW(width)) +#define ACPI_MASK_BITS_ABOVE_64(width) ((width) == ACPI_INTEGER_BIT_SIZE ? \ + ACPI_UINT64_MAX : \ + ACPI_MASK_BITS_ABOVE(width)) +#define ACPI_MASK_BITS_BELOW_64(width) ((width) == ACPI_INTEGER_BIT_SIZE ? \ + (u64) 0 : \ + ACPI_MASK_BITS_BELOW(width)) /* Bitfields within ACPI registers */ @@ -283,10 +300,10 @@ /* Generic bitfield macros and masks */ #define ACPI_GET_BITS(source_ptr, position, mask) \ - ((*source_ptr >> position) & mask) + ((*(source_ptr) >> (position)) & (mask)) #define ACPI_SET_BITS(target_ptr, position, mask, value) \ - (*target_ptr |= ((value & mask) << position)) + (*(target_ptr) |= (((value) & (mask)) << (position))) #define ACPI_1BIT_MASK 0x00000001 #define ACPI_2BIT_MASK 0x00000003 diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 022d69cb345a..f33a4ba8e0cb 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -206,9 +206,10 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth); void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level); void -acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component); +acpi_ns_dump_pathname(acpi_handle handle, + const char *msg, u32 level, u32 component); -void acpi_ns_print_pathname(u32 num_segments, char *pathname); +void acpi_ns_print_pathname(u32 num_segments, const char *pathname); acpi_status acpi_ns_dump_one_object(acpi_handle obj_handle, diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index 7da639d62416..fc305775c3d7 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -139,7 +139,7 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, */ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode); -char *acpi_ps_get_opcode_name(u16 opcode); +const char *acpi_ps_get_opcode_name(u16 opcode); u8 acpi_ps_get_argument_count(u32 op_type); diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index 5faeab41e302..888440b2cf2e 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -129,7 +129,8 @@ enum acpi_return_package_types { ACPI_PTYPE2_REV_FIXED = 9, ACPI_PTYPE2_FIX_VAR = 10, ACPI_PTYPE2_VAR_VAR = 11, - ACPI_PTYPE2_UUID_PAIR = 12 + ACPI_PTYPE2_UUID_PAIR = 12, + ACPI_PTYPE_CUSTOM = 13 }; /* Support macros for users of the predefined info table */ @@ -340,7 +341,7 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { {{"_BIX", METHOD_0ARGS, METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (16 Int),(4 Str) */ - PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, + PACKAGE_INFO(ACPI_PTYPE_CUSTOM, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING, 4, 0), {{"_BLT", @@ -523,6 +524,9 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0), + {{"_FIT", METHOD_0ARGS, + METHOD_RETURNS(ACPI_RTYPE_BUFFER)}}, /* ACPI 6.0 */ + {{"_FIX", METHOD_0ARGS, METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Variable-length (Ints) */ PACKAGE_INFO(ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0), @@ -1053,6 +1057,12 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = { METHOD_RETURNS(ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER)}}, + {{"_WPC", METHOD_0ARGS, + METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* ACPI 6.1 */ + + {{"_WPP", METHOD_0ARGS, + METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* ACPI 6.1 */ + PACKAGE_INFO(0, 0, 0, 0, 0, 0) /* Table terminator */ }; #else diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h index 5dd58beafa5c..63da1e37caba 100644 --- a/drivers/acpi/acpica/acresrc.h +++ b/drivers/acpi/acpica/acresrc.h @@ -124,7 +124,7 @@ typedef enum { typedef const struct acpi_rsdump_info { u8 opcode; u8 offset; - char *name; + const char *name; const char **pointer; } acpi_rsdump_info; @@ -209,7 +209,7 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node, acpi_status acpi_rs_get_method_data(acpi_handle handle, - char *path, struct acpi_buffer *ret_buffer); + const char *path, struct acpi_buffer *ret_buffer); acpi_status acpi_rs_set_srs_method_data(struct acpi_namespace_node *node, @@ -223,16 +223,16 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, * rscalc */ acpi_status -acpi_rs_get_list_length(u8 * aml_buffer, - u32 aml_buffer_length, acpi_size * size_needed); +acpi_rs_get_list_length(u8 *aml_buffer, + u32 aml_buffer_length, acpi_size *size_needed); acpi_status acpi_rs_get_aml_length(struct acpi_resource *resource_list, - acpi_size resource_list_size, acpi_size * size_needed); + acpi_size resource_list_size, acpi_size *size_needed); acpi_status acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, - acpi_size * buffer_size_needed); + acpi_size *buffer_size_needed); acpi_status acpi_rs_convert_aml_to_resources(u8 * aml, diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index b3b386e0b119..6235642e31d3 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -184,7 +184,7 @@ struct acpi_evaluate_info { /* The first 3 elements are passed by the caller to acpi_ns_evaluate */ struct acpi_namespace_node *prefix_node; /* Input: starting node */ - char *relative_pathname; /* Input: path relative to prefix_node */ + const char *relative_pathname; /* Input: path relative to prefix_node */ union acpi_operand_object **parameters; /* Input: argument list */ struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */ diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 848ad3ac938f..cd5a135fcf29 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -161,8 +161,6 @@ acpi_tb_install_fixed_table(acpi_physical_address address, acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); -u8 acpi_is_valid_signature(char *signature); - /* * tbxfload */ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index e43ab6f2ad7e..a7dbb2b882cf 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -136,16 +136,16 @@ extern const char *acpi_gbl_pt_decode[]; #define ACPI_SMALL_VARIABLE_LENGTH 3 typedef -acpi_status(*acpi_walk_aml_callback) (u8 *aml, - u32 length, - u32 offset, - u8 resource_index, void **context); +acpi_status (*acpi_walk_aml_callback) (u8 *aml, + u32 length, + u32 offset, + u8 resource_index, void **context); typedef -acpi_status(*acpi_pkg_callback) (u8 object_type, - union acpi_operand_object *source_object, - union acpi_generic_state * state, - void *context); +acpi_status (*acpi_pkg_callback) (u8 object_type, + union acpi_operand_object * source_object, + union acpi_generic_state * state, + void *context); struct acpi_pkg_info { u8 *free_space; @@ -167,6 +167,15 @@ struct acpi_pkg_info { #define DB_QWORD_DISPLAY 8 /* + * utascii - ASCII utilities + */ +u8 acpi_ut_valid_nameseg(char *signature); + +u8 acpi_ut_valid_name_char(char character, u32 position); + +void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count); + +/* * utnonansi - Non-ANSI C library functions */ void acpi_ut_strupr(char *src_string); @@ -175,7 +184,14 @@ void acpi_ut_strlwr(char *src_string); int acpi_ut_stricmp(char *string1, char *string2); -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer); +acpi_status +acpi_ut_strtoul64(char *string, + u32 base, u32 max_integer_byte_width, u64 *ret_integer); + +/* Values for max_integer_byte_width above */ + +#define ACPI_MAX32_BYTE_WIDTH 4 +#define ACPI_MAX64_BYTE_WIDTH 8 /* * utglobal - Global data structures and procedures @@ -266,7 +282,8 @@ acpi_ut_trace(u32 line_number, void acpi_ut_trace_ptr(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, void *pointer); + const char *module_name, + u32 component_id, const void *pointer); void acpi_ut_trace_u32(u32 line_number, @@ -276,7 +293,8 @@ acpi_ut_trace_u32(u32 line_number, void acpi_ut_trace_str(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, char *string); + const char *module_name, + u32 component_id, const char *string); void acpi_ut_exit(u32 line_number, @@ -335,12 +353,12 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list); */ acpi_status acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node, - char *path, + const char *path, u32 expected_return_btypes, union acpi_operand_object **return_desc); acpi_status -acpi_ut_evaluate_numeric_object(char *object_name, +acpi_ut_evaluate_numeric_object(const char *object_name, struct acpi_namespace_node *device_node, u64 *value); @@ -415,7 +433,7 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size); union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size); acpi_status -acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length); +acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size *obj_length); /* * utosi - Support for the _OSI predefined control method @@ -526,15 +544,15 @@ void acpi_ut_set_integer_width(u8 revision); void acpi_ut_display_init_pathname(u8 type, struct acpi_namespace_node *obj_handle, - char *path); + const char *path); #endif /* * utownerid - Support for Table/Method Owner IDs */ -acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id); +acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id); -void acpi_ut_release_owner_id(acpi_owner_id * owner_id); +void acpi_ut_release_owner_id(acpi_owner_id *owner_id); /* * utresrc @@ -570,10 +588,6 @@ void acpi_ut_print_string(char *string, u16 max_length); void ut_convert_backslashes(char *pathname); #endif -u8 acpi_ut_valid_acpi_name(char *name); - -u8 acpi_ut_valid_acpi_char(char character, u32 position); - void acpi_ut_repair_name(char *name); #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) @@ -628,7 +642,7 @@ void acpi_ut_dump_allocation_info(void); void acpi_ut_dump_allocations(u32 component, const char *module); acpi_status -acpi_ut_create_list(char *list_name, +acpi_ut_create_list(const char *list_name, u16 object_size, struct acpi_memory_list **return_cache); #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c index 772178c96ccf..62bd446535f5 100644 --- a/drivers/acpi/acpica/dbcmds.c +++ b/drivers/acpi/acpica/dbcmds.c @@ -738,9 +738,9 @@ acpi_dm_test_resource_conversion(struct acpi_namespace_node *node, char *name) original_aml = return_buffer.pointer; acpi_dm_compare_aml_resources(original_aml->buffer.pointer, - (acpi_rsdesc_size) original_aml->buffer. + (acpi_rsdesc_size)original_aml->buffer. length, new_aml.pointer, - (acpi_rsdesc_size) new_aml.length); + (acpi_rsdesc_size)new_aml.length); /* Cleanup and exit */ diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 68f4e0f4b095..7cd07b27f758 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -194,7 +194,7 @@ acpi_db_convert_to_buffer(char *string, union acpi_object *object) * ******************************************************************************/ -acpi_status acpi_db_convert_to_package(char *string, union acpi_object * object) +acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) { char *this; char *next; @@ -252,7 +252,7 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object * object) acpi_status acpi_db_convert_to_object(acpi_object_type type, - char *string, union acpi_object * object) + char *string, union acpi_object *object) { acpi_status status = AE_OK; @@ -277,7 +277,9 @@ acpi_db_convert_to_object(acpi_object_type type, default: object->type = ACPI_TYPE_INTEGER; - status = acpi_ut_strtoul64(string, 16, &object->integer.value); + status = + acpi_ut_strtoul64(string, 16, acpi_gbl_integer_byte_width, + &object->integer.value); break; } diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c index c814855376e2..12df2915ad74 100644 --- a/drivers/acpi/acpica/dbexec.c +++ b/drivers/acpi/acpica/dbexec.c @@ -361,7 +361,7 @@ acpi_db_execution_walk(acpi_handle obj_handle, ******************************************************************************/ void -acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags) +acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags) { acpi_status status; struct acpi_buffer return_obj; diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c index 417c02a89915..7cd5d2e022da 100644 --- a/drivers/acpi/acpica/dbinput.c +++ b/drivers/acpi/acpica/dbinput.c @@ -57,12 +57,12 @@ static u32 acpi_db_get_line(char *input_buffer); static u32 acpi_db_match_command(char *user_command); -static void acpi_db_display_command_info(char *command, u8 display_all); +static void acpi_db_display_command_info(const char *command, u8 display_all); static void acpi_db_display_help(char *command); static u8 -acpi_db_match_command_help(char *command, +acpi_db_match_command_help(const char *command, const struct acpi_db_command_help *help); /* @@ -348,7 +348,7 @@ static const struct acpi_db_command_help acpi_gbl_db_command_help[] = { ******************************************************************************/ static u8 -acpi_db_match_command_help(char *command, +acpi_db_match_command_help(const char *command, const struct acpi_db_command_help *help) { char *invocation = help->invocation; @@ -402,7 +402,7 @@ acpi_db_match_command_help(char *command, * ******************************************************************************/ -static void acpi_db_display_command_info(char *command, u8 display_all) +static void acpi_db_display_command_info(const char *command, u8 display_all) { const struct acpi_db_command_help *next; u8 matched; @@ -466,7 +466,7 @@ static void acpi_db_display_help(char *command) ******************************************************************************/ char *acpi_db_get_next_token(char *string, - char **next, acpi_object_type * return_type) + char **next, acpi_object_type *return_type) { char *start; u32 depth; @@ -656,8 +656,9 @@ static u32 acpi_db_match_command(char *user_command) } for (i = CMD_FIRST_VALID; acpi_gbl_db_commands[i].name; i++) { - if (strstr(acpi_gbl_db_commands[i].name, user_command) == - acpi_gbl_db_commands[i].name) { + if (strstr + (ACPI_CAST_PTR(char, acpi_gbl_db_commands[i].name), + user_command) == acpi_gbl_db_commands[i].name) { return (i); } } @@ -683,8 +684,8 @@ static u32 acpi_db_match_command(char *user_command) acpi_status acpi_db_command_dispatch(char *input_buffer, - struct acpi_walk_state * walk_state, - union acpi_parse_object * op) + struct acpi_walk_state *walk_state, + union acpi_parse_object *op) { u32 temp; u32 command_index; diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 3c23b5a1079b..8667f14d535e 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -285,7 +285,7 @@ void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg) u32 max_depth = ACPI_UINT32_MAX; acpi_owner_id owner_id; - owner_id = (acpi_owner_id) strtoul(owner_arg, NULL, 0); + owner_id = (acpi_owner_id)strtoul(owner_arg, NULL, 0); /* Now we can check for the depth argument */ @@ -709,7 +709,7 @@ acpi_db_integrity_walk(acpi_handle obj_handle, return (AE_OK); } - if (!acpi_ut_valid_acpi_name(node->name.ascii)) { + if (!acpi_ut_valid_nameseg(node->name.ascii)) { acpi_os_printf("Invalid AcpiName for Node %p\n", node); return (AE_OK); } diff --git a/drivers/acpi/acpica/dbutils.c b/drivers/acpi/acpica/dbutils.c index b37a2c77b86b..ae80106d1000 100644 --- a/drivers/acpi/acpica/dbutils.c +++ b/drivers/acpi/acpica/dbutils.c @@ -56,8 +56,6 @@ acpi_status acpi_db_second_pass_parse(union acpi_parse_object *root); void acpi_db_dump_buffer(u32 address); #endif -static char *gbl_hex_to_ascii = "0123456789ABCDEF"; - /******************************************************************************* * * FUNCTION: acpi_db_match_argument @@ -82,8 +80,9 @@ acpi_db_match_argument(char *user_argument, } for (i = 0; arguments[i].name; i++) { - if (strstr(arguments[i].name, user_argument) == - arguments[i].name) { + if (strstr(ACPI_CAST_PTR(char, arguments[i].name), + ACPI_CAST_PTR(char, + user_argument)) == arguments[i].name) { return (i); } } @@ -339,7 +338,7 @@ void acpi_db_uint32_to_hex_string(u32 value, char *buffer) buffer[8] = '\0'; for (i = 7; i >= 0; i--) { - buffer[i] = gbl_hex_to_ascii[value & 0x0F]; + buffer[i] = acpi_gbl_upper_hex_digits[value & 0x0F]; value = value >> 4; } } diff --git a/drivers/acpi/acpica/dbxface.c b/drivers/acpi/acpica/dbxface.c index e94e0d80bc7b..124db237775d 100644 --- a/drivers/acpi/acpica/dbxface.c +++ b/drivers/acpi/acpica/dbxface.c @@ -162,8 +162,8 @@ void acpi_db_signal_break_point(struct acpi_walk_state *walk_state) ******************************************************************************/ acpi_status -acpi_db_single_step(struct acpi_walk_state * walk_state, - union acpi_parse_object * op, u32 opcode_class) +acpi_db_single_step(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, u32 opcode_class) { union acpi_parse_object *next; acpi_status status = AE_OK; diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index c9a663f21ac8..4ddcbf100234 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -163,8 +163,8 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state, ******************************************************************************/ acpi_status -acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, - union acpi_parse_object * op) +acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op) { acpi_status status = AE_OK; union acpi_generic_state *control_state; diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index 5aa1c5feee50..f1e6dcc7a827 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -188,7 +188,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle, acpi_status acpi_ds_initialize_objects(u32 table_index, - struct acpi_namespace_node * start_node) + struct acpi_namespace_node *start_node) { acpi_status status; struct acpi_init_walk_info info; diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index da198b864107..47c7b52a519c 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -209,7 +209,7 @@ acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state, ******************************************************************************/ acpi_status -acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state) +acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) { u32 aml_offset; diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 8ca9416320e0..f393de9f5887 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -569,7 +569,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, /* TBD: May only be temporary */ obj_desc = - acpi_ut_create_string_object((acpi_size) name_length); + acpi_ut_create_string_object((acpi_size)name_length); strncpy(obj_desc->string.pointer, name_string, name_length); diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index d1cedcfda1d2..fd34040d4f44 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -137,8 +137,8 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number) ******************************************************************************/ acpi_status -acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, - union acpi_parse_object ** out_op) +acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state, + union acpi_parse_object **out_op) { union acpi_parse_object *op; struct acpi_namespace_node *node; diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index 0bac6e14170e..762db3fa70e0 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -490,8 +490,8 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) status = acpi_ds_create_index_field(op, - (acpi_handle) arg-> - common.node, walk_state); + (acpi_handle)arg->common. + node, walk_state); break; case AML_BANK_FIELD_OP: diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index 3a26ddbaed6d..e3338698e56b 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -143,8 +143,8 @@ acpi_ds_result_pop(union acpi_operand_object **object, ******************************************************************************/ acpi_status -acpi_ds_result_push(union acpi_operand_object * object, - struct acpi_walk_state * walk_state) +acpi_ds_result_push(union acpi_operand_object *object, + struct acpi_walk_state *walk_state) { union acpi_generic_state *state; acpi_status status; @@ -307,7 +307,7 @@ static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state) ******************************************************************************/ acpi_status -acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) +acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state) { ACPI_FUNCTION_NAME(ds_obj_stack_push); @@ -354,7 +354,7 @@ acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) ******************************************************************************/ acpi_status -acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state) +acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state) { u32 i; @@ -411,7 +411,7 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count, return; } - for (i = (s32) pop_count - 1; i >= 0; i--) { + for (i = (s32)pop_count - 1; i >= 0; i--) { if (walk_state->num_operands == 0) { return; } diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index b47e62aaf654..4b4949ce05bc 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -440,7 +440,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list) gpe_event_info = &gpe_block-> - event_info[((acpi_size) i * + event_info[((acpi_size)i * ACPI_GPE_REGISTER_WIDTH) + j]; gpe_number = j + gpe_register_info->base_gpe_number; @@ -652,7 +652,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_enable_gpe(void *context) * ******************************************************************************/ -acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info * gpe_event_info) +acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info) { acpi_status status; diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 447fa1cac64f..d54014cab01d 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -211,7 +211,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) /* Allocate the GPE register information block */ - gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block-> + gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block-> register_count * sizeof(struct acpi_gpe_register_info)); @@ -225,7 +225,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) * Allocate the GPE event_info block. There are eight distinct GPEs * per register. Initialization to zeros is sufficient. */ - gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->gpe_count * + gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size)gpe_block->gpe_count * sizeof(struct acpi_gpe_event_info)); if (!gpe_event_info) { diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index 66c4b5b7cd64..3f150d567e64 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -163,7 +163,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_ev_get_gpe_xrupt_block(u32 interrupt_number, - struct acpi_gpe_xrupt_info ** gpe_xrupt_block) + struct acpi_gpe_xrupt_info **gpe_xrupt_block) { struct acpi_gpe_xrupt_info *next_gpe_xrupt; struct acpi_gpe_xrupt_info *gpe_xrupt; @@ -320,7 +320,7 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, /* Now look at the individual GPEs in this byte register */ for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { - gpe_event_info = &gpe_block->event_info[((acpi_size) i * + gpe_event_info = &gpe_block->event_info[((acpi_size)i * ACPI_GPE_REGISTER_WIDTH) + j]; diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c index 0f6be8956a99..24768ca03f19 100644 --- a/drivers/acpi/acpica/evhandler.c +++ b/drivers/acpi/acpica/evhandler.c @@ -359,7 +359,7 @@ union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type ******************************************************************************/ acpi_status -acpi_ev_install_space_handler(struct acpi_namespace_node * node, +acpi_ev_install_space_handler(struct acpi_namespace_node *node, acpi_adr_space_type space_id, acpi_adr_space_handler handler, acpi_adr_space_setup setup, void *context) diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index c67d78c5995f..f51d43adb7d1 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -99,8 +99,7 @@ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node) ******************************************************************************/ acpi_status -acpi_ev_queue_notify_request(struct acpi_namespace_node * node, - u32 notify_value) +acpi_ev_queue_notify_request(struct acpi_namespace_node *node, u32 notify_value) { union acpi_operand_object *obj_desc; union acpi_operand_object *handler_list_head = NULL; diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 63924d1c737a..4c6f79514040 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -526,81 +526,59 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj, /******************************************************************************* * - * FUNCTION: acpi_ev_associate_reg_method + * FUNCTION: acpi_ev_execute_reg_method * * PARAMETERS: region_obj - Region object + * function - Passed to _REG: On (1) or Off (0) * * RETURN: Status * - * DESCRIPTION: Find and associate _REG method to a region + * DESCRIPTION: Execute _REG method for a region * ******************************************************************************/ -void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj) +acpi_status +acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) { - acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; + struct acpi_evaluate_info *info; + union acpi_operand_object *args[3]; + union acpi_operand_object *region_obj2; + const acpi_name *reg_name_ptr = + ACPI_CAST_PTR(acpi_name, METHOD_NAME__REG); struct acpi_namespace_node *method_node; struct acpi_namespace_node *node; - union acpi_operand_object *region_obj2; acpi_status status; - ACPI_FUNCTION_TRACE(ev_associate_reg_method); + ACPI_FUNCTION_TRACE(ev_execute_reg_method); + + if (!acpi_gbl_namespace_initialized || + region_obj->region.handler == NULL) { + return_ACPI_STATUS(AE_OK); + } region_obj2 = acpi_ns_get_secondary_object(region_obj); if (!region_obj2) { - return_VOID; + return_ACPI_STATUS(AE_NOT_EXIST); } + /* + * Find any "_REG" method associated with this region definition. + * The method should always be updated as this function may be + * invoked after a namespace change. + */ node = region_obj->region.node->parent; - - /* Find any "_REG" method associated with this region definition */ - status = acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, &method_node); if (ACPI_SUCCESS(status)) { /* - * The _REG method is optional and there can be only one per region - * definition. This will be executed when the handler is attached - * or removed + * The _REG method is optional and there can be only one per + * region definition. This will be executed when the handler is + * attached or removed. */ region_obj2->extra.method_REG = method_node; } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_execute_reg_method - * - * PARAMETERS: region_obj - Region object - * function - Passed to _REG: On (1) or Off (0) - * - * RETURN: Status - * - * DESCRIPTION: Execute _REG method for a region - * - ******************************************************************************/ - -acpi_status -acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) -{ - struct acpi_evaluate_info *info; - union acpi_operand_object *args[3]; - union acpi_operand_object *region_obj2; - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_execute_reg_method); - - region_obj2 = acpi_ns_get_secondary_object(region_obj); - if (!region_obj2) { - return_ACPI_STATUS(AE_NOT_EXIST); - } - - if (region_obj2->extra.method_REG == NULL || - region_obj->region.handler == NULL || - !acpi_gbl_namespace_initialized) { + if (region_obj2->extra.method_REG == NULL) { return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index fda869c9ad0b..b6ea9c0d0d8c 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -227,7 +227,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, /* Install a handler for this PCI root bridge */ - status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); + status = acpi_install_address_space_handler((acpi_handle)pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); if (ACPI_FAILURE(status)) { if (status == AE_SAME_HANDLER) { /* @@ -518,7 +518,6 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_OK); } - acpi_ev_associate_reg_method(region_obj); region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; node = region_obj->region.node->parent; diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 90456714821f..17cfef721d00 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -917,7 +917,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block) * the FADT-defined gpe blocks. Otherwise, the GPE block device. * ******************************************************************************/ -acpi_status acpi_get_gpe_device(u32 index, acpi_handle * gpe_device) +acpi_status acpi_get_gpe_device(u32 index, acpi_handle *gpe_device) { struct acpi_gpe_device_info info; acpi_status status; diff --git a/drivers/acpi/acpica/exconcat.c b/drivers/acpi/acpica/exconcat.c new file mode 100644 index 000000000000..2423fe03e879 --- /dev/null +++ b/drivers/acpi/acpica/exconcat.c @@ -0,0 +1,439 @@ +/****************************************************************************** + * + * Module Name: exconcat - Concatenate-type AML operators + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acinterp.h" +#include "amlresrc.h" + +#define _COMPONENT ACPI_EXECUTER +ACPI_MODULE_NAME("exconcat") + +/* Local Prototypes */ +static acpi_status +acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc, + union acpi_operand_object **result_desc); + +/******************************************************************************* + * + * FUNCTION: acpi_ex_do_concatenate + * + * PARAMETERS: operand0 - First source object + * operand1 - Second source object + * actual_return_desc - Where to place the return object + * walk_state - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Concatenate two objects with the ACPI-defined conversion + * rules as necessary. + * NOTE: + * Per the ACPI spec (up to 6.1), Concatenate only supports Integer, + * String, and Buffer objects. However, we support all objects here + * as an extension. This improves the usefulness of both Concatenate + * and the Printf/Fprintf macros. The extension returns a string + * describing the object type for the other objects. + * 02/2016. + * + ******************************************************************************/ + +acpi_status +acpi_ex_do_concatenate(union acpi_operand_object *operand0, + union acpi_operand_object *operand1, + union acpi_operand_object **actual_return_desc, + struct acpi_walk_state *walk_state) +{ + union acpi_operand_object *local_operand0 = operand0; + union acpi_operand_object *local_operand1 = operand1; + union acpi_operand_object *temp_operand1 = NULL; + union acpi_operand_object *return_desc; + char *buffer; + acpi_object_type operand0_type; + acpi_object_type operand1_type; + acpi_status status; + + ACPI_FUNCTION_TRACE(ex_do_concatenate); + + /* Operand 0 preprocessing */ + + switch (operand0->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + operand0_type = operand0->common.type; + break; + + default: + + /* For all other types, get the "object type" string */ + + status = + acpi_ex_convert_to_object_type_string(operand0, + &local_operand0); + if (ACPI_FAILURE(status)) { + goto cleanup; + } + + operand0_type = ACPI_TYPE_STRING; + break; + } + + /* Operand 1 preprocessing */ + + switch (operand1->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + operand1_type = operand1->common.type; + break; + + default: + + /* For all other types, get the "object type" string */ + + status = + acpi_ex_convert_to_object_type_string(operand1, + &local_operand1); + if (ACPI_FAILURE(status)) { + goto cleanup; + } + + operand1_type = ACPI_TYPE_STRING; + break; + } + + /* + * Convert the second operand if necessary. The first operand (0) + * determines the type of the second operand (1) (See the Data Types + * section of the ACPI specification). Both object types are + * guaranteed to be either Integer/String/Buffer by the operand + * resolution mechanism. + */ + switch (operand0_type) { + case ACPI_TYPE_INTEGER: + + status = + acpi_ex_convert_to_integer(local_operand1, &temp_operand1, + 16); + break; + + case ACPI_TYPE_BUFFER: + + status = + acpi_ex_convert_to_buffer(local_operand1, &temp_operand1); + break; + + case ACPI_TYPE_STRING: + + switch (operand1_type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + /* Other types have already been converted to string */ + + status = + acpi_ex_convert_to_string(local_operand1, + &temp_operand1, + ACPI_IMPLICIT_CONVERT_HEX); + break; + + default: + + status = AE_OK; + break; + } + break; + + default: + + ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", + operand0->common.type)); + status = AE_AML_INTERNAL; + } + + if (ACPI_FAILURE(status)) { + goto cleanup; + } + + /* Take care with any newly created operand objects */ + + if ((local_operand1 != operand1) && (local_operand1 != temp_operand1)) { + acpi_ut_remove_reference(local_operand1); + } + + local_operand1 = temp_operand1; + + /* + * Both operands are now known to be the same object type + * (Both are Integer, String, or Buffer), and we can now perform + * the concatenation. + * + * There are three cases to handle, as per the ACPI spec: + * + * 1) Two Integers concatenated to produce a new Buffer + * 2) Two Strings concatenated to produce a new String + * 3) Two Buffers concatenated to produce a new Buffer + */ + switch (operand0_type) { + case ACPI_TYPE_INTEGER: + + /* Result of two Integers is a Buffer */ + /* Need enough buffer space for two integers */ + + return_desc = acpi_ut_create_buffer_object((acpi_size) + ACPI_MUL_2 + (acpi_gbl_integer_byte_width)); + if (!return_desc) { + status = AE_NO_MEMORY; + goto cleanup; + } + + buffer = (char *)return_desc->buffer.pointer; + + /* Copy the first integer, LSB first */ + + memcpy(buffer, &operand0->integer.value, + acpi_gbl_integer_byte_width); + + /* Copy the second integer (LSB first) after the first */ + + memcpy(buffer + acpi_gbl_integer_byte_width, + &local_operand1->integer.value, + acpi_gbl_integer_byte_width); + break; + + case ACPI_TYPE_STRING: + + /* Result of two Strings is a String */ + + return_desc = acpi_ut_create_string_object(((acpi_size) + local_operand0-> + string.length + + local_operand1-> + string.length)); + if (!return_desc) { + status = AE_NO_MEMORY; + goto cleanup; + } + + buffer = return_desc->string.pointer; + + /* Concatenate the strings */ + + strcpy(buffer, local_operand0->string.pointer); + strcat(buffer, local_operand1->string.pointer); + break; + + case ACPI_TYPE_BUFFER: + + /* Result of two Buffers is a Buffer */ + + return_desc = acpi_ut_create_buffer_object(((acpi_size) + operand0->buffer. + length + + local_operand1-> + buffer.length)); + if (!return_desc) { + status = AE_NO_MEMORY; + goto cleanup; + } + + buffer = (char *)return_desc->buffer.pointer; + + /* Concatenate the buffers */ + + memcpy(buffer, operand0->buffer.pointer, + operand0->buffer.length); + memcpy(buffer + operand0->buffer.length, + local_operand1->buffer.pointer, + local_operand1->buffer.length); + break; + + default: + + /* Invalid object type, should not happen here */ + + ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", + operand0->common.type)); + status = AE_AML_INTERNAL; + goto cleanup; + } + + *actual_return_desc = return_desc; + +cleanup: + if (local_operand0 != operand0) { + acpi_ut_remove_reference(local_operand0); + } + + if (local_operand1 != operand1) { + acpi_ut_remove_reference(local_operand1); + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_convert_to_object_type_string + * + * PARAMETERS: obj_desc - Object to be converted + * return_desc - Where to place the return object + * + * RETURN: Status + * + * DESCRIPTION: Convert an object of arbitrary type to a string object that + * contains the namestring for the object. Used for the + * concatenate operator. + * + ******************************************************************************/ + +static acpi_status +acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc, + union acpi_operand_object **result_desc) +{ + union acpi_operand_object *return_desc; + const char *type_string; + + type_string = acpi_ut_get_type_name(obj_desc->common.type); + + return_desc = acpi_ut_create_string_object(((acpi_size)strlen(type_string) + 9)); /* 9 For "[ Object]" */ + if (!return_desc) { + return (AE_NO_MEMORY); + } + + strcpy(return_desc->string.pointer, "["); + strcat(return_desc->string.pointer, type_string); + strcat(return_desc->string.pointer, " Object]"); + + *result_desc = return_desc; + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_concat_template + * + * PARAMETERS: operand0 - First source object + * operand1 - Second source object + * actual_return_desc - Where to place the return object + * walk_state - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Concatenate two resource templates + * + ******************************************************************************/ + +acpi_status +acpi_ex_concat_template(union acpi_operand_object *operand0, + union acpi_operand_object *operand1, + union acpi_operand_object **actual_return_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + union acpi_operand_object *return_desc; + u8 *new_buf; + u8 *end_tag; + acpi_size length0; + acpi_size length1; + acpi_size new_length; + + ACPI_FUNCTION_TRACE(ex_concat_template); + + /* + * Find the end_tag descriptor in each resource template. + * Note1: returned pointers point TO the end_tag, not past it. + * Note2: zero-length buffers are allowed; treated like one end_tag + */ + + /* Get the length of the first resource template */ + + status = acpi_ut_get_resource_end_tag(operand0, &end_tag); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer); + + /* Get the length of the second resource template */ + + status = acpi_ut_get_resource_end_tag(operand1, &end_tag); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer); + + /* Combine both lengths, minimum size will be 2 for end_tag */ + + new_length = length0 + length1 + sizeof(struct aml_resource_end_tag); + + /* Create a new buffer object for the result (with one end_tag) */ + + return_desc = acpi_ut_create_buffer_object(new_length); + if (!return_desc) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* + * Copy the templates to the new buffer, 0 first, then 1 follows. One + * end_tag descriptor is copied from Operand1. + */ + new_buf = return_desc->buffer.pointer; + memcpy(new_buf, operand0->buffer.pointer, length0); + memcpy(new_buf + length0, operand1->buffer.pointer, length1); + + /* Insert end_tag and set the checksum to zero, means "ignore checksum" */ + + new_buf[new_length - 1] = 0; + new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1; + + /* Return the completed resource template */ + + *actual_return_desc = return_desc; + return_ACPI_STATUS(AE_OK); +} diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index f74161301037..a1d177d58254 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -118,7 +118,9 @@ acpi_ex_add_table(u32 table_index, /* Execute any module-level code that was found in the table */ acpi_ex_exit_interpreter(); - acpi_ns_exec_module_code_list(); + if (acpi_gbl_group_module_level_code) { + acpi_ns_exec_module_code_list(); + } acpi_ex_enter_interpreter(); /* diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index 0b9f2c13b98a..b7e9b3d803e1 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -124,7 +124,9 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, * of ACPI 3.0) is that the to_integer() operator allows both decimal * and hexadecimal strings (hex prefixed with "0x"). */ - status = acpi_ut_strtoul64((char *)pointer, flags, &result); + status = acpi_ut_strtoul64((char *)pointer, flags, + acpi_gbl_integer_byte_width, + &result); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -439,7 +441,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, * Need enough space for one ASCII integer (plus null terminator) */ return_desc = - acpi_ut_create_string_object((acpi_size) string_length); + acpi_ut_create_string_object((acpi_size)string_length); if (!return_desc) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -518,7 +520,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, } return_desc = - acpi_ut_create_string_object((acpi_size) string_length); + acpi_ut_create_string_object((acpi_size)string_length); if (!return_desc) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index bea9612e4720..613ba6eb08bb 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -394,7 +394,7 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state) obj_desc->processor.proc_id = (u8) operand[1]->integer.value; obj_desc->processor.length = (u8) operand[3]->integer.value; obj_desc->processor.address = - (acpi_io_address) operand[2]->integer.value; + (acpi_io_address)operand[2]->integer.value; /* Install the processor object in the parent Node */ diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index ee30974b245a..fce6b2e10209 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -55,9 +55,9 @@ ACPI_MODULE_NAME("exdump") */ #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) /* Local prototypes */ -static void acpi_ex_out_string(char *title, char *value); +static void acpi_ex_out_string(const char *title, const char *value); -static void acpi_ex_out_pointer(char *title, void *value); +static void acpi_ex_out_pointer(const char *title, const void *value); static void acpi_ex_dump_object(union acpi_operand_object *obj_desc, @@ -365,8 +365,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, struct acpi_exdump_info *info) { u8 *target; - char *name; - const char *reference_name; + const char *name; u8 count; union acpi_operand_object *start; union acpi_operand_object *data = NULL; @@ -459,9 +458,9 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, case ACPI_EXD_REFERENCE: - reference_name = acpi_ut_get_reference_name(obj_desc); acpi_ex_out_string("Class Name", - ACPI_CAST_PTR(char, reference_name)); + acpi_ut_get_reference_name + (obj_desc)); acpi_ex_dump_reference_obj(obj_desc); break; @@ -934,12 +933,12 @@ acpi_ex_dump_operands(union acpi_operand_object **operands, * ******************************************************************************/ -static void acpi_ex_out_string(char *title, char *value) +static void acpi_ex_out_string(const char *title, const char *value) { acpi_os_printf("%20s : %s\n", title, value); } -static void acpi_ex_out_pointer(char *title, void *value) +static void acpi_ex_out_pointer(const char *title, const void *value) { acpi_os_printf("%20s : %p\n", title, value); } diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index d5d8020a8523..d7d3ee36338b 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -126,7 +126,7 @@ acpi_ex_get_serial_access_length(u32 accessor_type, u32 access_length) ******************************************************************************/ acpi_status -acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, +acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, union acpi_operand_object *obj_desc, union acpi_operand_object **ret_buffer_desc) { @@ -233,7 +233,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, * Note: Field.length is in bits. */ length = - (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); + (acpi_size)ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); if (length > acpi_gbl_integer_byte_width) { diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index f0c5ed0b7db8..ee76d299b3d0 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -164,7 +164,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, if (ACPI_ROUND_UP(rgn_desc->region.length, obj_desc->common_field. access_byte_width) >= - ((acpi_size) obj_desc->common_field. + ((acpi_size)obj_desc->common_field. base_byte_offset + obj_desc->common_field.access_byte_width + field_datum_byte_offset)) { @@ -897,17 +897,9 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, access_bit_width = ACPI_MUL_8(obj_desc->common_field.access_byte_width); - /* - * Create the bitmasks used for bit insertion. - * Note: This if/else is used to bypass compiler differences with the - * shift operator - */ - if (access_bit_width == ACPI_INTEGER_BIT_SIZE) { - width_mask = ACPI_UINT64_MAX; - } else { - width_mask = ACPI_MASK_BITS_ABOVE(access_bit_width); - } + /* Create the bitmasks used for bit insertion */ + width_mask = ACPI_MASK_BITS_ABOVE_64(access_bit_width); mask = width_mask & ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset); diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index db30ae43ddd8..4f7e667624b3 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -45,7 +45,6 @@ #include "accommon.h" #include "acinterp.h" #include "amlcode.h" -#include "amlresrc.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exmisc") @@ -140,295 +139,6 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc, /******************************************************************************* * - * FUNCTION: acpi_ex_concat_template - * - * PARAMETERS: operand0 - First source object - * operand1 - Second source object - * actual_return_desc - Where to place the return object - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two resource templates - * - ******************************************************************************/ - -acpi_status -acpi_ex_concat_template(union acpi_operand_object *operand0, - union acpi_operand_object *operand1, - union acpi_operand_object **actual_return_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object *return_desc; - u8 *new_buf; - u8 *end_tag; - acpi_size length0; - acpi_size length1; - acpi_size new_length; - - ACPI_FUNCTION_TRACE(ex_concat_template); - - /* - * Find the end_tag descriptor in each resource template. - * Note1: returned pointers point TO the end_tag, not past it. - * Note2: zero-length buffers are allowed; treated like one end_tag - */ - - /* Get the length of the first resource template */ - - status = acpi_ut_get_resource_end_tag(operand0, &end_tag); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer); - - /* Get the length of the second resource template */ - - status = acpi_ut_get_resource_end_tag(operand1, &end_tag); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer); - - /* Combine both lengths, minimum size will be 2 for end_tag */ - - new_length = length0 + length1 + sizeof(struct aml_resource_end_tag); - - /* Create a new buffer object for the result (with one end_tag) */ - - return_desc = acpi_ut_create_buffer_object(new_length); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* - * Copy the templates to the new buffer, 0 first, then 1 follows. One - * end_tag descriptor is copied from Operand1. - */ - new_buf = return_desc->buffer.pointer; - memcpy(new_buf, operand0->buffer.pointer, length0); - memcpy(new_buf + length0, operand1->buffer.pointer, length1); - - /* Insert end_tag and set the checksum to zero, means "ignore checksum" */ - - new_buf[new_length - 1] = 0; - new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1; - - /* Return the completed resource template */ - - *actual_return_desc = return_desc; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_concatenate - * - * PARAMETERS: operand0 - First source object - * operand1 - Second source object - * actual_return_desc - Where to place the return object - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two objects OF THE SAME TYPE. - * - ******************************************************************************/ - -acpi_status -acpi_ex_do_concatenate(union acpi_operand_object *operand0, - union acpi_operand_object *operand1, - union acpi_operand_object **actual_return_desc, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *local_operand1 = operand1; - union acpi_operand_object *return_desc; - char *new_buf; - const char *type_string; - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_do_concatenate); - - /* - * Convert the second operand if necessary. The first operand - * determines the type of the second operand, (See the Data Types - * section of the ACPI specification.) Both object types are - * guaranteed to be either Integer/String/Buffer by the operand - * resolution mechanism. - */ - switch (operand0->common.type) { - case ACPI_TYPE_INTEGER: - - status = - acpi_ex_convert_to_integer(operand1, &local_operand1, 16); - break; - - case ACPI_TYPE_STRING: - /* - * Per the ACPI spec, Concatenate only supports int/str/buf. - * However, we support all objects here as an extension. - * This improves the usefulness of the Printf() macro. - * 12/2015. - */ - switch (operand1->common.type) { - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - status = - acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); - break; - - default: - /* - * Just emit a string containing the object type. - */ - type_string = - acpi_ut_get_type_name(operand1->common.type); - - local_operand1 = acpi_ut_create_string_object(((acpi_size) strlen(type_string) + 9)); /* 9 For "[Object]" */ - if (!local_operand1) { - status = AE_NO_MEMORY; - goto cleanup; - } - - strcpy(local_operand1->string.pointer, "["); - strcat(local_operand1->string.pointer, type_string); - strcat(local_operand1->string.pointer, " Object]"); - status = AE_OK; - break; - } - break; - - case ACPI_TYPE_BUFFER: - - status = acpi_ex_convert_to_buffer(operand1, &local_operand1); - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", - operand0->common.type)); - status = AE_AML_INTERNAL; - } - - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Both operands are now known to be the same object type - * (Both are Integer, String, or Buffer), and we can now perform the - * concatenation. - */ - - /* - * There are three cases to handle: - * - * 1) Two Integers concatenated to produce a new Buffer - * 2) Two Strings concatenated to produce a new String - * 3) Two Buffers concatenated to produce a new Buffer - */ - switch (operand0->common.type) { - case ACPI_TYPE_INTEGER: - - /* Result of two Integers is a Buffer */ - /* Need enough buffer space for two integers */ - - return_desc = acpi_ut_create_buffer_object((acpi_size) - ACPI_MUL_2 - (acpi_gbl_integer_byte_width)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = (char *)return_desc->buffer.pointer; - - /* Copy the first integer, LSB first */ - - memcpy(new_buf, &operand0->integer.value, - acpi_gbl_integer_byte_width); - - /* Copy the second integer (LSB first) after the first */ - - memcpy(new_buf + acpi_gbl_integer_byte_width, - &local_operand1->integer.value, - acpi_gbl_integer_byte_width); - break; - - case ACPI_TYPE_STRING: - - /* Result of two Strings is a String */ - - return_desc = acpi_ut_create_string_object(((acpi_size) - operand0->string. - length + - local_operand1-> - string.length)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = return_desc->string.pointer; - - /* Concatenate the strings */ - - strcpy(new_buf, operand0->string.pointer); - strcat(new_buf, local_operand1->string.pointer); - break; - - case ACPI_TYPE_BUFFER: - - /* Result of two Buffers is a Buffer */ - - return_desc = acpi_ut_create_buffer_object(((acpi_size) - operand0->buffer. - length + - local_operand1-> - buffer.length)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = (char *)return_desc->buffer.pointer; - - /* Concatenate the buffers */ - - memcpy(new_buf, operand0->buffer.pointer, - operand0->buffer.length); - memcpy(new_buf + operand0->buffer.length, - local_operand1->buffer.pointer, - local_operand1->buffer.length); - break; - - default: - - /* Invalid object type, should not happen here */ - - ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X", - operand0->common.type)); - status = AE_AML_INTERNAL; - goto cleanup; - } - - *actual_return_desc = return_desc; - -cleanup: - if (local_operand1 != operand1) { - acpi_ut_remove_reference(local_operand1); - } - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * * FUNCTION: acpi_ex_do_math_op * * PARAMETERS: opcode - AML opcode diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index 27c11ab5eb04..3d6af93fe561 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -178,7 +178,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) for (index = 0; (index < ACPI_NAME_SIZE) - && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) { + && (acpi_ut_valid_name_char(*aml_address, 0)); index++) { char_buf[index] = *aml_address++; ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); } diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index 5aa21c4eda1d..69e4e269ad2f 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -184,7 +184,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) /* Get the Integer values from the objects */ index = operand[1]->integer.value; - length = (acpi_size) operand[2]->integer.value; + length = (acpi_size)operand[2]->integer.value; /* * If the index is beyond the length of the String/Buffer, or if the @@ -198,8 +198,8 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) else if ((index + length) > operand[0]->string.length) { length = - (acpi_size) operand[0]->string.length - - (acpi_size) index; + (acpi_size)operand[0]->string.length - + (acpi_size)index; } /* Strings always have a sub-pointer, not so for buffers */ @@ -209,7 +209,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) /* Always allocate a new buffer for the String */ - buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1); + buffer = ACPI_ALLOCATE_ZEROED((acpi_size)length + 1); if (!buffer) { status = AE_NO_MEMORY; goto cleanup; diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c index e2b63483857f..786d53b0bb37 100644 --- a/drivers/acpi/acpica/exoparg6.c +++ b/drivers/acpi/acpica/exoparg6.c @@ -207,7 +207,7 @@ acpi_ex_do_match(u32 match_op, * ******************************************************************************/ -acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state) +acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state) { union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *return_desc = NULL; diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 076074daf2b6..31b381cae94d 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -325,15 +325,15 @@ acpi_ex_system_io_space_handler(u32 function, switch (function) { case ACPI_READ: - status = acpi_hw_read_port((acpi_io_address) address, + status = acpi_hw_read_port((acpi_io_address)address, &value32, bit_width); *value = value32; break; case ACPI_WRITE: - status = acpi_hw_write_port((acpi_io_address) address, - (u32) * value, bit_width); + status = acpi_hw_write_port((acpi_io_address)address, + (u32)*value, bit_width); break; default: diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index c1e8bfb0f7f4..a183cb740d24 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -93,7 +93,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, */ node = *object_ptr; source_desc = acpi_ns_get_attached_object(node); - entry_type = acpi_ns_get_type((acpi_handle) node); + entry_type = acpi_ns_get_type((acpi_handle)node); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n", node, source_desc, @@ -106,7 +106,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object); source_desc = acpi_ns_get_attached_object(node); - entry_type = acpi_ns_get_type((acpi_handle) node); + entry_type = acpi_ns_get_type((acpi_handle)node); *object_ptr = node; } diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index fedacf13dc36..e1d3878be2c6 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -334,7 +334,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, acpi_status acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, union acpi_operand_object *operand, - acpi_object_type * return_type, + acpi_object_type *return_type, union acpi_operand_object **return_desc) { union acpi_operand_object *obj_desc = ACPI_CAST_PTR(void, operand); diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index cc2c26c46a6d..27b41fd7542d 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -131,8 +131,8 @@ acpi_ex_check_object_type(acpi_object_type type_needed, acpi_status acpi_ex_resolve_operands(u16 opcode, - union acpi_operand_object ** stack_ptr, - struct acpi_walk_state * walk_state) + union acpi_operand_object **stack_ptr, + struct acpi_walk_state *walk_state) { union acpi_operand_object *obj_desc; acpi_status status = AE_OK; diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index 28b724827f0f..1dab82746d06 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -188,7 +188,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, * Clear old string and copy in the new one */ memset(target_desc->string.pointer, 0, - (acpi_size) target_desc->string.length + 1); + (acpi_size)target_desc->string.length + 1); memcpy(target_desc->string.pointer, buffer, length); } else { /* @@ -204,7 +204,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, } target_desc->string.pointer = - ACPI_ALLOCATE_ZEROED((acpi_size) length + 1); + ACPI_ALLOCATE_ZEROED((acpi_size)length + 1); if (!target_desc->string.pointer) { return_ACPI_STATUS(AE_NO_MEMORY); diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index 4d44bc1cb2ca..425f13372e68 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -301,8 +301,8 @@ static u32 acpi_ex_digits_needed(u64 value, u32 base) * * FUNCTION: acpi_ex_eisa_id_to_string * - * PARAMETERS: compressed_id - EISAID to be converted - * out_string - Where to put the converted string (8 bytes) + * PARAMETERS: out_string - Where to put the converted string (8 bytes) + * compressed_id - EISAID to be converted * * RETURN: None * @@ -354,7 +354,7 @@ void acpi_ex_eisa_id_to_string(char *out_string, u64 compressed_id) * possible 64-bit integer. * value - Value to be converted * - * RETURN: None, string + * RETURN: Converted string in out_string * * DESCRIPTION: Convert a 64-bit integer to decimal string representation. * Assumes string buffer is large enough to hold the string. The @@ -384,9 +384,9 @@ void acpi_ex_integer_to_string(char *out_string, u64 value) * FUNCTION: acpi_ex_pci_cls_to_string * * PARAMETERS: out_string - Where to put the converted string (7 bytes) - * PARAMETERS: class_code - PCI class code to be converted (3 bytes) + * class_code - PCI class code to be converted (3 bytes) * - * RETURN: None + * RETURN: Converted string in out_string * * DESCRIPTION: Convert 3-bytes PCI class code to string representation. * Return buffer must be large enough to hold the string. The @@ -417,7 +417,7 @@ void acpi_ex_pci_cls_to_string(char *out_string, u8 class_code[3]) * * PARAMETERS: space_id - ID to be validated * - * RETURN: TRUE if valid/supported ID. + * RETURN: TRUE if space_id is a valid/supported ID. * * DESCRIPTION: Validate an operation region space_ID. * diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index 1c4f4518611a..bdecd5e76e87 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -166,7 +166,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action) * ******************************************************************************/ -acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) +acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info) { struct acpi_gpe_register_info *gpe_register_info; acpi_status status; @@ -206,7 +206,7 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) ******************************************************************************/ acpi_status -acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, +acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, acpi_event_status *event_status) { u32 in_byte; @@ -391,7 +391,7 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, - struct acpi_gpe_block_info * gpe_block, + struct acpi_gpe_block_info *gpe_block, void *context) { u32 i; diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index 5ba0498412fd..0f18dbc9a37f 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -51,6 +51,10 @@ ACPI_MODULE_NAME("hwregs") #if (!ACPI_REDUCED_HARDWARE) /* Local Prototypes */ +static u8 +acpi_hw_get_access_bit_width(struct acpi_generic_address *reg, + u8 max_bit_width); + static acpi_status acpi_hw_read_multiple(u32 *value, struct acpi_generic_address *register_a, @@ -65,6 +69,48 @@ acpi_hw_write_multiple(u32 value, /****************************************************************************** * + * FUNCTION: acpi_hw_get_access_bit_width + * + * PARAMETERS: reg - GAS register structure + * max_bit_width - Max bit_width supported (32 or 64) + * + * RETURN: Status + * + * DESCRIPTION: Obtain optimal access bit width + * + ******************************************************************************/ + +static u8 +acpi_hw_get_access_bit_width(struct acpi_generic_address *reg, u8 max_bit_width) +{ + u64 address; + + if (!reg->access_width) { + /* + * Detect old register descriptors where only the bit_width field + * makes senses. The target address is copied to handle possible + * alignment issues. + */ + ACPI_MOVE_64_TO_64(&address, ®->address); + if (!reg->bit_offset && reg->bit_width && + ACPI_IS_POWER_OF_TWO(reg->bit_width) && + ACPI_IS_ALIGNED(reg->bit_width, 8) && + ACPI_IS_ALIGNED(address, reg->bit_width)) { + return (reg->bit_width); + } else { + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { + return (32); + } else { + return (max_bit_width); + } + } + } else { + return (1 << (reg->access_width + 2)); + } +} + +/****************************************************************************** + * * FUNCTION: acpi_hw_validate_register * * PARAMETERS: reg - GAS register structure @@ -83,6 +129,8 @@ acpi_status acpi_hw_validate_register(struct acpi_generic_address *reg, u8 max_bit_width, u64 *address) { + u8 bit_width; + u8 access_width; /* Must have a valid pointer to a GAS structure */ @@ -109,23 +157,25 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, return (AE_SUPPORT); } - /* Validate the bit_width */ + /* Validate the access_width */ - if ((reg->bit_width != 8) && - (reg->bit_width != 16) && - (reg->bit_width != 32) && (reg->bit_width != max_bit_width)) { + if (reg->access_width > 4) { ACPI_ERROR((AE_INFO, - "Unsupported register bit width: 0x%X", - reg->bit_width)); + "Unsupported register access width: 0x%X", + reg->access_width)); return (AE_SUPPORT); } - /* Validate the bit_offset. Just a warning for now. */ + /* Validate the bit_width, convert access_width into number of bits */ - if (reg->bit_offset != 0) { + access_width = acpi_hw_get_access_bit_width(reg, max_bit_width); + bit_width = + ACPI_ROUND_UP(reg->bit_offset + reg->bit_width, access_width); + if (max_bit_width < bit_width) { ACPI_WARNING((AE_INFO, - "Unsupported register bit offset: 0x%X", - reg->bit_offset)); + "Requested bit width 0x%X is smaller than register bit width 0x%X", + max_bit_width, bit_width)); + return (AE_SUPPORT); } return (AE_OK); @@ -145,17 +195,19 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, * 64-bit values is not needed. * * LIMITATIONS: <These limitations also apply to acpi_hw_write> - * bit_width must be exactly 8, 16, or 32. * space_ID must be system_memory or system_IO. - * bit_offset and access_width are currently ignored, as there has - * not been a need to implement these. * ******************************************************************************/ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) { u64 address; + u8 access_width; + u32 bit_width; + u8 bit_offset; u64 value64; + u32 value32; + u8 index; acpi_status status; ACPI_FUNCTION_NAME(hw_read); @@ -167,28 +219,75 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) return (status); } - /* Initialize entire 32-bit return value to zero */ - + /* + * Initialize entire 32-bit return value to zero, convert access_width + * into number of bits based + */ *value = 0; + access_width = acpi_hw_get_access_bit_width(reg, 32); + bit_width = reg->bit_offset + reg->bit_width; + bit_offset = reg->bit_offset; /* * Two address spaces supported: Memory or IO. PCI_Config is * not supported here because the GAS structure is insufficient */ - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - status = acpi_os_read_memory((acpi_physical_address) - address, &value64, reg->bit_width); + index = 0; + while (bit_width) { + if (bit_offset >= access_width) { + value32 = 0; + bit_offset -= access_width; + } else { + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + status = + acpi_os_read_memory((acpi_physical_address) + address + + index * + ACPI_DIV_8 + (access_width), + &value64, access_width); + value32 = (u32)value64; + } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ + + status = acpi_hw_read_port((acpi_io_address) + address + + index * + ACPI_DIV_8 + (access_width), + &value32, + access_width); + } + + /* + * Use offset style bit masks because: + * bit_offset < access_width/bit_width < access_width, and + * access_width is ensured to be less than 32-bits by + * acpi_hw_validate_register(). + */ + if (bit_offset) { + value32 &= ACPI_MASK_BITS_BELOW(bit_offset); + bit_offset = 0; + } + if (bit_width < access_width) { + value32 &= ACPI_MASK_BITS_ABOVE(bit_width); + } + } - *value = (u32)value64; - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ + /* + * Use offset style bit writes because "Index * AccessWidth" is + * ensured to be less than 32-bits by acpi_hw_validate_register(). + */ + ACPI_SET_BITS(value, index * access_width, + ACPI_MASK_BITS_ABOVE_32(access_width), value32); - status = acpi_hw_read_port((acpi_io_address) - address, value, reg->bit_width); + bit_width -= + bit_width > access_width ? access_width : bit_width; + index++; } ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n", - *value, reg->bit_width, ACPI_FORMAT_UINT64(address), + *value, access_width, ACPI_FORMAT_UINT64(address), acpi_ut_get_region_name(reg->space_id))); return (status); @@ -212,6 +311,12 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) { u64 address; + u8 access_width; + u32 bit_width; + u8 bit_offset; + u64 value64; + u32 new_value32, old_value32; + u8 index; acpi_status status; ACPI_FUNCTION_NAME(hw_write); @@ -223,23 +328,145 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) return (status); } + /* Convert access_width into number of bits based */ + + access_width = acpi_hw_get_access_bit_width(reg, 32); + bit_width = reg->bit_offset + reg->bit_width; + bit_offset = reg->bit_offset; + /* * Two address spaces supported: Memory or IO. PCI_Config is * not supported here because the GAS structure is insufficient */ - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - status = acpi_os_write_memory((acpi_physical_address) - address, (u64)value, - reg->bit_width); - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - - status = acpi_hw_write_port((acpi_io_address) - address, value, reg->bit_width); + index = 0; + while (bit_width) { + /* + * Use offset style bit reads because "Index * AccessWidth" is + * ensured to be less than 32-bits by acpi_hw_validate_register(). + */ + new_value32 = ACPI_GET_BITS(&value, index * access_width, + ACPI_MASK_BITS_ABOVE_32 + (access_width)); + + if (bit_offset >= access_width) { + bit_offset -= access_width; + } else { + /* + * Use offset style bit masks because access_width is ensured + * to be less than 32-bits by acpi_hw_validate_register() and + * bit_offset/bit_width is less than access_width here. + */ + if (bit_offset) { + new_value32 &= ACPI_MASK_BITS_BELOW(bit_offset); + } + if (bit_width < access_width) { + new_value32 &= ACPI_MASK_BITS_ABOVE(bit_width); + } + + if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + if (bit_offset || bit_width < access_width) { + /* + * Read old values in order not to modify the bits that + * are beyond the register bit_width/bit_offset setting. + */ + status = + acpi_os_read_memory((acpi_physical_address) + address + + index * + ACPI_DIV_8 + (access_width), + &value64, + access_width); + old_value32 = (u32)value64; + + /* + * Use offset style bit masks because access_width is + * ensured to be less than 32-bits by + * acpi_hw_validate_register() and bit_offset/bit_width is + * less than access_width here. + */ + if (bit_offset) { + old_value32 &= + ACPI_MASK_BITS_ABOVE + (bit_offset); + bit_offset = 0; + } + if (bit_width < access_width) { + old_value32 &= + ACPI_MASK_BITS_BELOW + (bit_width); + } + + new_value32 |= old_value32; + } + + value64 = (u64)new_value32; + status = + acpi_os_write_memory((acpi_physical_address) + address + + index * + ACPI_DIV_8 + (access_width), + value64, access_width); + } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ + + if (bit_offset || bit_width < access_width) { + /* + * Read old values in order not to modify the bits that + * are beyond the register bit_width/bit_offset setting. + */ + status = + acpi_hw_read_port((acpi_io_address) + address + + index * + ACPI_DIV_8 + (access_width), + &old_value32, + access_width); + + /* + * Use offset style bit masks because access_width is + * ensured to be less than 32-bits by + * acpi_hw_validate_register() and bit_offset/bit_width is + * less than access_width here. + */ + if (bit_offset) { + old_value32 &= + ACPI_MASK_BITS_ABOVE + (bit_offset); + bit_offset = 0; + } + if (bit_width < access_width) { + old_value32 &= + ACPI_MASK_BITS_BELOW + (bit_width); + } + + new_value32 |= old_value32; + } + + status = acpi_hw_write_port((acpi_io_address) + address + + index * + ACPI_DIV_8 + (access_width), + new_value32, + access_width); + } + } + + /* + * Index * access_width is ensured to be less than 32-bits by + * acpi_hw_validate_register(). + */ + bit_width -= + bit_width > access_width ? access_width : bit_width; + index++; } ACPI_DEBUG_PRINT((ACPI_DB_IO, "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n", - value, reg->bit_width, ACPI_FORMAT_UINT64(address), + value, access_width, ACPI_FORMAT_UINT64(address), acpi_ut_get_region_name(reg->space_id))); return (status); diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index a01ddb393a55..98c26ff39409 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -91,10 +91,9 @@ acpi_status acpi_reset(void) * compatibility with other ACPI implementations that have allowed * BIOS code with bad register width values to go unnoticed. */ - status = - acpi_os_write_port((acpi_io_address) reset_reg->address, - acpi_gbl_FADT.reset_value, - ACPI_RESET_REGISTER_WIDTH); + status = acpi_os_write_port((acpi_io_address)reset_reg->address, + acpi_gbl_FADT.reset_value, + ACPI_RESET_REGISTER_WIDTH); } else { /* Write the reset value to the reset register */ @@ -504,9 +503,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) * Evaluate the \_Sx namespace object containing the register values * for this state */ - info->relative_pathname = ACPI_CAST_PTR(char, - acpi_gbl_sleep_state_names - [sleep_state]); + info->relative_pathname = acpi_gbl_sleep_state_names[sleep_state]; status = acpi_ns_evaluate(info); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 697af810e5ad..426a6307eafa 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -107,9 +107,10 @@ acpi_status acpi_ns_root_initialize(void) continue; } - status = acpi_ns_lookup(NULL, init_val->name, init_val->type, - ACPI_IMODE_LOAD_PASS2, - ACPI_NS_NO_UPSEARCH, NULL, &new_node); + status = + acpi_ns_lookup(NULL, (char *)init_val->name, init_val->type, + ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH, + NULL, &new_node); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not create predefined name %s", diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c index 878e8fb6a64c..c803bda7915c 100644 --- a/drivers/acpi/acpica/nsconvert.c +++ b/drivers/acpi/acpica/nsconvert.c @@ -79,7 +79,8 @@ acpi_ns_convert_to_integer(union acpi_operand_object *original_object, /* String-to-Integer conversion */ status = acpi_ut_strtoul64(original_object->string.pointer, - ACPI_ANY_BASE, &value); + ACPI_ANY_BASE, + acpi_gbl_integer_byte_width, &value); if (ACPI_FAILURE(status)) { return (status); } @@ -317,7 +318,7 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, ******************************************************************************/ acpi_status -acpi_ns_convert_to_unicode(struct acpi_namespace_node * scope, +acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope, union acpi_operand_object *original_object, union acpi_operand_object **return_object) { @@ -384,7 +385,7 @@ acpi_ns_convert_to_unicode(struct acpi_namespace_node * scope, ******************************************************************************/ acpi_status -acpi_ns_convert_to_resource(struct acpi_namespace_node * scope, +acpi_ns_convert_to_resource(struct acpi_namespace_node *scope, union acpi_operand_object *original_object, union acpi_operand_object **return_object) { @@ -463,7 +464,7 @@ acpi_ns_convert_to_resource(struct acpi_namespace_node * scope, ******************************************************************************/ acpi_status -acpi_ns_convert_to_reference(struct acpi_namespace_node * scope, +acpi_ns_convert_to_reference(struct acpi_namespace_node *scope, union acpi_operand_object *original_object, union acpi_operand_object **return_object) { diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index af236e348294..ce1f8605d996 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -81,7 +81,7 @@ acpi_ns_get_max_depth(acpi_handle obj_handle, * ******************************************************************************/ -void acpi_ns_print_pathname(u32 num_segments, char *pathname) +void acpi_ns_print_pathname(u32 num_segments, const char *pathname) { u32 i; @@ -114,6 +114,9 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname) acpi_os_printf("]\n"); } +#ifdef ACPI_OBSOLETE_FUNCTIONS +/* Not used at this time, perhaps later */ + /******************************************************************************* * * FUNCTION: acpi_ns_dump_pathname @@ -131,7 +134,8 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname) ******************************************************************************/ void -acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component) +acpi_ns_dump_pathname(acpi_handle handle, + const char *msg, u32 level, u32 component) { ACPI_FUNCTION_TRACE(ns_dump_pathname); @@ -148,6 +152,7 @@ acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component) acpi_os_printf("\n"); return_VOID; } +#endif /******************************************************************************* * diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index d4aa8b696ee9..36643a8cf65a 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -140,6 +140,7 @@ acpi_status acpi_ns_initialize_devices(u32 flags) { acpi_status status = AE_OK; struct acpi_device_walk_info info; + acpi_handle handle; ACPI_FUNCTION_TRACE(ns_initialize_devices); @@ -190,6 +191,27 @@ acpi_status acpi_ns_initialize_devices(u32 flags) if (ACPI_SUCCESS(status)) { info.num_INI++; } + + /* + * Execute \_SB._INI. + * There appears to be a strict order requirement for \_SB._INI, + * which should be evaluated before any _REG evaluations. + */ + status = acpi_get_handle(NULL, "\\_SB", &handle); + if (ACPI_SUCCESS(status)) { + memset(info.evaluate_info, 0, + sizeof(struct acpi_evaluate_info)); + info.evaluate_info->prefix_node = handle; + info.evaluate_info->relative_pathname = + METHOD_NAME__INI; + info.evaluate_info->parameters = NULL; + info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE; + + status = acpi_ns_evaluate(info.evaluate_info); + if (ACPI_SUCCESS(status)) { + info.num_INI++; + } + } } /* @@ -198,6 +220,12 @@ acpi_status acpi_ns_initialize_devices(u32 flags) * Note: Any objects accessed by the _REG methods will be automatically * initialized, even if they contain executable AML (see the call to * acpi_ns_initialize_objects below). + * + * Note: According to the ACPI specification, we actually needn't execute + * _REG for system_memory/system_io operation regions, but for PCI_Config + * operation regions, it is required to evaluate _REG for those on a PCI + * root bus that doesn't contain _BBN object. So this code is kept here + * in order not to break things. */ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, @@ -592,33 +620,37 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * Note: We know there is an _INI within this subtree, but it may not be * under this particular device, it may be lower in the branch. */ - ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname - (ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI)); - - memset(info, 0, sizeof(struct acpi_evaluate_info)); - info->prefix_node = device_node; - info->relative_pathname = METHOD_NAME__INI; - info->parameters = NULL; - info->flags = ACPI_IGNORE_RETURN_VALUE; - - status = acpi_ns_evaluate(info); - - if (ACPI_SUCCESS(status)) { - walk_info->num_INI++; - } + if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") || + device_node->parent != acpi_gbl_root_node) { + ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname + (ACPI_TYPE_METHOD, device_node, + METHOD_NAME__INI)); + + memset(info, 0, sizeof(struct acpi_evaluate_info)); + info->prefix_node = device_node; + info->relative_pathname = METHOD_NAME__INI; + info->parameters = NULL; + info->flags = ACPI_IGNORE_RETURN_VALUE; + + status = acpi_ns_evaluate(info); + if (ACPI_SUCCESS(status)) { + walk_info->num_INI++; + } #ifdef ACPI_DEBUG_OUTPUT - else if (status != AE_NOT_FOUND) { + else if (status != AE_NOT_FOUND) { - /* Ignore error and move on to next device */ + /* Ignore error and move on to next device */ - char *scope_name = - acpi_ns_get_normalized_pathname(device_node, TRUE); + char *scope_name = + acpi_ns_get_normalized_pathname(device_node, TRUE); - ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution", - scope_name)); - ACPI_FREE(scope_name); - } + ACPI_EXCEPTION((AE_INFO, status, + "during %s._INI execution", + scope_name)); + ACPI_FREE(scope_name); + } #endif + } /* Ignore errors from above */ diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 75cdb8790d49..b5e2b0ada0ab 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -123,8 +123,8 @@ acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); acpi_ns_delete_namespace_by_owner(acpi_gbl_root_table_list. tables[table_index].owner_id); - acpi_tb_release_owner_id(table_index); + acpi_tb_release_owner_id(table_index); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index eb6e1b88a51d..f03dd41e86d0 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -113,7 +113,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) acpi_status acpi_ns_handle_to_pathname(acpi_handle target_handle, - struct acpi_buffer * buffer, u8 no_trailing) + struct acpi_buffer *buffer, u8 no_trailing) { acpi_status status; struct acpi_namespace_node *node; diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 051306f0d0d6..cfa2bb7162d8 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -399,7 +399,7 @@ acpi_ns_attach_data(struct acpi_namespace_node *node, ******************************************************************************/ acpi_status -acpi_ns_detach_data(struct acpi_namespace_node * node, +acpi_ns_detach_data(struct acpi_namespace_node *node, acpi_object_handler handler) { union acpi_operand_object *obj_desc; @@ -444,7 +444,7 @@ acpi_ns_detach_data(struct acpi_namespace_node * node, ******************************************************************************/ acpi_status -acpi_ns_get_attached_data(struct acpi_namespace_node * node, +acpi_ns_get_attached_data(struct acpi_namespace_node *node, acpi_object_handler handler, void **data) { union acpi_operand_object *obj_desc; diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index 9047f2808d5b..fbedc6e8ab36 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -62,6 +62,10 @@ acpi_ns_check_package_elements(struct acpi_evaluate_info *info, u32 count1, u8 type2, u32 count2, u32 start_index); +static acpi_status +acpi_ns_custom_package(struct acpi_evaluate_info *info, + union acpi_operand_object **elements, u32 count); + /******************************************************************************* * * FUNCTION: acpi_ns_check_package @@ -135,6 +139,11 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, * PTYPE2 packages contain subpackages */ switch (package->ret_info.type) { + case ACPI_PTYPE_CUSTOM: + + status = acpi_ns_custom_package(info, elements, count); + break; + case ACPI_PTYPE1_FIXED: /* * The package count is fixed and there are no subpackages @@ -179,6 +188,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, if (ACPI_FAILURE(status)) { return (status); } + elements++; } break; @@ -225,6 +235,7 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, return (status); } } + elements++; } break; @@ -569,11 +580,13 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info, if (sub_package->package.count < expected_count) { goto package_too_small; } + if (sub_package->package.count < package->ret_info.count1) { expected_count = package->ret_info.count1; goto package_too_small; } + if (expected_count == 0) { /* * Either the num_entries element was originally zero or it was @@ -622,6 +635,83 @@ package_too_small: /******************************************************************************* * + * FUNCTION: acpi_ns_custom_package + * + * PARAMETERS: info - Method execution information block + * elements - Pointer to the package elements array + * count - Element count for the package + * + * RETURN: Status + * + * DESCRIPTION: Check a returned package object for the correct count and + * correct type of all sub-objects. + * + * NOTE: Currently used for the _BIX method only. When needed for two or more + * methods, probably a detect/dispatch mechanism will be required. + * + ******************************************************************************/ + +static acpi_status +acpi_ns_custom_package(struct acpi_evaluate_info *info, + union acpi_operand_object **elements, u32 count) +{ + u32 expected_count; + u32 version; + acpi_status status = AE_OK; + + ACPI_FUNCTION_NAME(ns_custom_package); + + /* Get version number, must be Integer */ + + if ((*elements)->common.type != ACPI_TYPE_INTEGER) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, + "Return Package has invalid object type for version number")); + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); + } + + version = (u32)(*elements)->integer.value; + expected_count = 21; /* Version 1 */ + + if (version == 0) { + expected_count = 20; /* Version 0 */ + } + + if (count < expected_count) { + ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + info->node_flags, + "Return Package is too small - found %u elements, expected %u", + count, expected_count)); + return_ACPI_STATUS(AE_AML_OPERAND_VALUE); + } else if (count > expected_count) { + ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, + "%s: Return Package is larger than needed - " + "found %u, expected %u\n", + info->full_pathname, count, expected_count)); + } + + /* Validate all elements of the returned package */ + + status = acpi_ns_check_package_elements(info, elements, + ACPI_RTYPE_INTEGER, 16, + ACPI_RTYPE_STRING, 4, 0); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Version 1 has a single trailing integer */ + + if (version > 0) { + status = acpi_ns_check_package_elements(info, elements + 20, + ACPI_RTYPE_INTEGER, 1, + 0, 0, 20); + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * * FUNCTION: acpi_ns_check_package_elements * * PARAMETERS: info - Method execution information block @@ -661,6 +751,7 @@ acpi_ns_check_package_elements(struct acpi_evaluate_info *info, if (ACPI_FAILURE(status)) { return (status); } + this_element++; } @@ -671,6 +762,7 @@ acpi_ns_check_package_elements(struct acpi_evaluate_info *info, if (ACPI_FAILURE(status)) { return (status); } + this_element++; } diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index 805e36de8707..9523d41c7ae9 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -399,7 +399,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct ******************************************************************************/ acpi_status -acpi_ns_repair_null_element(struct acpi_evaluate_info * info, +acpi_ns_repair_null_element(struct acpi_evaluate_info *info, u32 expected_btypes, u32 package_index, union acpi_operand_object **return_object_ptr) diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 63edbbbf9ae4..d5336122486b 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -54,9 +54,9 @@ ACPI_MODULE_NAME("nsrepair2") * be repaired on a per-name basis. */ typedef -acpi_status(*acpi_repair_function) (struct acpi_evaluate_info * info, - union acpi_operand_object - **return_object_ptr); +acpi_status (*acpi_repair_function) (struct acpi_evaluate_info * info, + union acpi_operand_object ** + return_object_ptr); typedef struct acpi_repair_info { char name[ACPI_NAME_SIZE]; diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index c72cc62b92d0..784a30b76e0f 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -272,11 +272,11 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) result = &internal_name[i]; } else if (num_segments == 2) { internal_name[i] = AML_DUAL_NAME_PREFIX; - result = &internal_name[(acpi_size) i + 1]; + result = &internal_name[(acpi_size)i + 1]; } else { internal_name[i] = AML_MULTI_NAME_PREFIX_OP; - internal_name[(acpi_size) i + 1] = (char)num_segments; - result = &internal_name[(acpi_size) i + 2]; + internal_name[(acpi_size)i + 1] = (char)num_segments; + result = &internal_name[(acpi_size)i + 2]; } } @@ -456,7 +456,7 @@ acpi_ns_externalize_name(u32 internal_name_length, names_index = prefix_length + 2; num_segments = (u8) - internal_name[(acpi_size) prefix_length + 1]; + internal_name[(acpi_size)prefix_length + 1]; break; case AML_DUAL_NAME_PREFIX: diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index a7deeaa8eddc..d2a9b4fd739f 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -256,7 +256,7 @@ acpi_evaluate_object(acpi_handle handle, * Allocate a new parameter block for the internal objects * Add 1 to count to allow for null terminated internal list */ - info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size) info-> + info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)info-> param_count + 1) * sizeof(void *)); if (!info->parameters) { @@ -280,13 +280,12 @@ acpi_evaluate_object(acpi_handle handle, info->parameters[info->param_count] = NULL; } -#if 0 +#ifdef _FUTURE_FEATURE /* * Begin incoming argument count analysis. Check for too few args * and too many args. */ - switch (acpi_ns_get_type(info->node)) { case ACPI_TYPE_METHOD: @@ -370,68 +369,68 @@ acpi_evaluate_object(acpi_handle handle, * If we are expecting a return value, and all went well above, * copy the return value to an external object. */ - if (return_buffer) { - if (!info->return_object) { - return_buffer->length = 0; - } else { - if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) == - ACPI_DESC_TYPE_NAMED) { - /* - * If we received a NS Node as a return object, this means that - * the object we are evaluating has nothing interesting to - * return (such as a mutex, etc.) We return an error because - * these types are essentially unsupported by this interface. - * We don't check up front because this makes it easier to add - * support for various types at a later date if necessary. - */ - status = AE_TYPE; - info->return_object = NULL; /* No need to delete a NS Node */ - return_buffer->length = 0; - } + if (!return_buffer) { + goto cleanup_return_object; + } - if (ACPI_SUCCESS(status)) { + if (!info->return_object) { + return_buffer->length = 0; + goto cleanup; + } - /* Dereference Index and ref_of references */ + if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) == + ACPI_DESC_TYPE_NAMED) { + /* + * If we received a NS Node as a return object, this means that + * the object we are evaluating has nothing interesting to + * return (such as a mutex, etc.) We return an error because + * these types are essentially unsupported by this interface. + * We don't check up front because this makes it easier to add + * support for various types at a later date if necessary. + */ + status = AE_TYPE; + info->return_object = NULL; /* No need to delete a NS Node */ + return_buffer->length = 0; + } - acpi_ns_resolve_references(info); + if (ACPI_FAILURE(status)) { + goto cleanup_return_object; + } - /* Get the size of the returned object */ + /* Dereference Index and ref_of references */ - status = - acpi_ut_get_object_size(info->return_object, - &buffer_space_needed); - if (ACPI_SUCCESS(status)) { - - /* Validate/Allocate/Clear caller buffer */ - - status = - acpi_ut_initialize_buffer - (return_buffer, - buffer_space_needed); - if (ACPI_FAILURE(status)) { - /* - * Caller's buffer is too small or a new one can't - * be allocated - */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Needed buffer size %X, %s\n", - (u32) - buffer_space_needed, - acpi_format_exception - (status))); - } else { - /* We have enough space for the object, build it */ - - status = - acpi_ut_copy_iobject_to_eobject - (info->return_object, - return_buffer); - } - } - } + acpi_ns_resolve_references(info); + + /* Get the size of the returned object */ + + status = acpi_ut_get_object_size(info->return_object, + &buffer_space_needed); + if (ACPI_SUCCESS(status)) { + + /* Validate/Allocate/Clear caller buffer */ + + status = acpi_ut_initialize_buffer(return_buffer, + buffer_space_needed); + if (ACPI_FAILURE(status)) { + /* + * Caller's buffer is too small or a new one can't + * be allocated + */ + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Needed buffer size %X, %s\n", + (u32)buffer_space_needed, + acpi_format_exception(status))); + } else { + /* We have enough space for the object, build it */ + + status = + acpi_ut_copy_iobject_to_eobject(info->return_object, + return_buffer); } } +cleanup_return_object: + if (info->return_object) { /* * Delete the internal return object. NOTE: Interpreter must be diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 285b82044e7b..76a1bd4bb070 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -78,7 +78,7 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, acpi_status acpi_get_handle(acpi_handle parent, - acpi_string pathname, acpi_handle * ret_handle) + acpi_string pathname, acpi_handle *ret_handle) { acpi_status status; struct acpi_namespace_node *node = NULL; @@ -155,7 +155,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_handle) * ******************************************************************************/ acpi_status -acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer) +acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer *buffer) { acpi_status status; struct acpi_namespace_node *node; @@ -448,7 +448,7 @@ acpi_get_object_info(acpi_handle handle, /* Point past the CID PNP_DEVICE_ID array */ next_id_string += - ((acpi_size) cid_list->count * + ((acpi_size)cid_list->count * sizeof(struct acpi_pnp_device_id)); } diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index c312cd490450..32d372b85243 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -63,7 +63,7 @@ ACPI_MODULE_NAME("nsxfobj") * DESCRIPTION: This routine returns the type associatd with a particular handle * ******************************************************************************/ -acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type) +acpi_status acpi_get_type(acpi_handle handle, acpi_object_type *ret_type) { struct acpi_namespace_node *node; acpi_status status; @@ -115,7 +115,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_type) * Handle. * ******************************************************************************/ -acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle) +acpi_status acpi_get_parent(acpi_handle handle, acpi_handle *ret_handle) { struct acpi_namespace_node *node; struct acpi_namespace_node *parent_node; @@ -183,7 +183,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_parent) acpi_status acpi_get_next_object(acpi_object_type type, acpi_handle parent, - acpi_handle child, acpi_handle * ret_handle) + acpi_handle child, acpi_handle *ret_handle) { acpi_status status; struct acpi_namespace_node *node; diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index d48cbed342c1..c29c930ffa08 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -87,7 +87,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state) * used to encode the package length, either 0,1,2, or 3 */ byte_count = (aml[0] >> 6); - parser_state->aml += ((acpi_size) byte_count + 1); + parser_state->aml += ((acpi_size)byte_count + 1); /* Get bytes 3, 2, 1 as needed */ diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c index cfd17a4f2e91..177b05b239b7 100644 --- a/drivers/acpi/acpica/psopinfo.c +++ b/drivers/acpi/acpica/psopinfo.c @@ -158,7 +158,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) * ******************************************************************************/ -char *acpi_ps_get_opcode_name(u16 opcode) +const char *acpi_ps_get_opcode_name(u16 opcode) { #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 8038ed2aca05..0a23897d8adf 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -130,8 +130,8 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state) ******************************************************************************/ acpi_status -acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, - union acpi_parse_object * op) +acpi_ps_complete_this_op(struct acpi_walk_state *walk_state, + union acpi_parse_object *op) { union acpi_parse_object *prev; union acpi_parse_object *next; diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index b28b0da171b6..89cb4bffcc7c 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -128,7 +128,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml) if (op_info->flags & AML_DEFER) { flags = ACPI_PARSEOP_DEFERRED; } else if (op_info->flags & AML_NAMED) { - flags = ACPI_PARSEOP_NAMED; + flags = ACPI_PARSEOP_NAMED_OBJECT; } else if (opcode == AML_INT_BYTELIST_OP) { flags = ACPI_PARSEOP_BYTELIST; } diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 04b37fcca684..cf30cd821f5e 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -115,7 +115,7 @@ acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags) * ******************************************************************************/ -acpi_status acpi_ps_execute_method(struct acpi_evaluate_info * info) +acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) { acpi_status status; union acpi_parse_object *op; diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 2b1209d73e44..f1e83addd5b4 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -112,7 +112,7 @@ acpi_rs_struct_option_length(struct acpi_resource_source *resource_source) * resource_source_index (1). */ if (resource_source->string_ptr) { - return ((acpi_rs_length) (resource_source->string_length + 1)); + return ((acpi_rs_length)(resource_source->string_length + 1)); } return (0); @@ -188,7 +188,7 @@ acpi_rs_stream_option_length(u32 resource_length, acpi_status acpi_rs_get_aml_length(struct acpi_resource *resource, - acpi_size resource_list_size, acpi_size * size_needed) + acpi_size resource_list_size, acpi_size *size_needed) { acpi_size aml_size_needed = 0; struct acpi_resource *resource_end; @@ -278,11 +278,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 16-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) (total_size + - acpi_rs_struct_option_length - (&resource->data. - address16. - resource_source)); + total_size = (acpi_rs_length)(total_size + + acpi_rs_struct_option_length + (&resource->data. + address16. + resource_source)); break; case ACPI_RESOURCE_TYPE_ADDRESS32: @@ -290,11 +290,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 32-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) (total_size + - acpi_rs_struct_option_length - (&resource->data. - address32. - resource_source)); + total_size = (acpi_rs_length)(total_size + + acpi_rs_struct_option_length + (&resource->data. + address32. + resource_source)); break; case ACPI_RESOURCE_TYPE_ADDRESS64: @@ -302,11 +302,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 64-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) (total_size + - acpi_rs_struct_option_length - (&resource->data. - address64. - resource_source)); + total_size = (acpi_rs_length)(total_size + + acpi_rs_struct_option_length + (&resource->data. + address64. + resource_source)); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: @@ -315,28 +315,28 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * Add the size of each additional optional interrupt beyond the * required 1 (4 bytes for each u32 interrupt number) */ - total_size = (acpi_rs_length) (total_size + - ((resource->data. - extended_irq. - interrupt_count - - 1) * 4) + - /* Add the size of the optional resource_source info */ - acpi_rs_struct_option_length - (&resource->data. + total_size = (acpi_rs_length)(total_size + + ((resource->data. extended_irq. - resource_source)); + interrupt_count - + 1) * 4) + + /* Add the size of the optional resource_source info */ + acpi_rs_struct_option_length + (&resource->data. + extended_irq. + resource_source)); break; case ACPI_RESOURCE_TYPE_GPIO: - total_size = (acpi_rs_length) (total_size + - (resource->data.gpio. - pin_table_length * 2) + - resource->data.gpio. - resource_source. - string_length + - resource->data.gpio. - vendor_length); + total_size = (acpi_rs_length)(total_size + + (resource->data.gpio. + pin_table_length * 2) + + resource->data.gpio. + resource_source. + string_length + + resource->data.gpio. + vendor_length); break; @@ -348,14 +348,14 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, common_serial_bus. type]; - total_size = (acpi_rs_length) (total_size + - resource->data. - i2c_serial_bus. - resource_source. - string_length + - resource->data. - i2c_serial_bus. - vendor_length); + total_size = (acpi_rs_length)(total_size + + resource->data. + i2c_serial_bus. + resource_source. + string_length + + resource->data. + i2c_serial_bus. + vendor_length); break; @@ -397,8 +397,8 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, ******************************************************************************/ acpi_status -acpi_rs_get_list_length(u8 * aml_buffer, - u32 aml_buffer_length, acpi_size * size_needed) +acpi_rs_get_list_length(u8 *aml_buffer, + u32 aml_buffer_length, acpi_size *size_needed) { acpi_status status; u8 *end_aml; @@ -610,7 +610,7 @@ acpi_rs_get_list_length(u8 * aml_buffer, acpi_status acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, - acpi_size * buffer_size_needed) + acpi_size *buffer_size_needed) { u32 number_of_elements; acpi_size temp_size_needed = 0; diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index 12978891e842..809b61c114fe 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -347,7 +347,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, (u8 *) output_buffer->pointer); path_buffer.pointer = user_prt->source; - status = acpi_ns_handle_to_pathname((acpi_handle) node, &path_buffer, FALSE); + status = acpi_ns_handle_to_pathname((acpi_handle)node, &path_buffer, FALSE); /* +1 to include null terminator */ diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c index 23a17c86d5a9..5ffdb5602d8d 100644 --- a/drivers/acpi/acpica/rsdump.c +++ b/drivers/acpi/acpica/rsdump.c @@ -52,17 +52,17 @@ ACPI_MODULE_NAME("rsdump") * All functions in this module are used by the AML Debugger only */ /* Local prototypes */ -static void acpi_rs_out_string(char *title, char *value); +static void acpi_rs_out_string(const char *title, const char *value); -static void acpi_rs_out_integer8(char *title, u8 value); +static void acpi_rs_out_integer8(const char *title, u8 value); -static void acpi_rs_out_integer16(char *title, u16 value); +static void acpi_rs_out_integer16(const char *title, u16 value); -static void acpi_rs_out_integer32(char *title, u32 value); +static void acpi_rs_out_integer32(const char *title, u32 value); -static void acpi_rs_out_integer64(char *title, u64 value); +static void acpi_rs_out_integer64(const char *title, u64 value); -static void acpi_rs_out_title(char *title); +static void acpi_rs_out_title(const char *title); static void acpi_rs_dump_byte_list(u16 length, u8 *data); @@ -208,7 +208,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) { u8 *target = NULL; u8 *previous_target; - char *name; + const char *name; u8 count; /* First table entry must contain the table length (# of table entries) */ @@ -248,10 +248,8 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) case ACPI_RSD_UINT8: if (table->pointer) { - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer - [*target])); + acpi_rs_out_string(name, + table->pointer[*target]); } else { acpi_rs_out_integer8(name, ACPI_GET8(target)); } @@ -276,26 +274,20 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) case ACPI_RSD_1BITFLAG: - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer[*target & - 0x01])); + acpi_rs_out_string(name, + table->pointer[*target & 0x01]); break; case ACPI_RSD_2BITFLAG: - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer[*target & - 0x03])); + acpi_rs_out_string(name, + table->pointer[*target & 0x03]); break; case ACPI_RSD_3BITFLAG: - acpi_rs_out_string(name, ACPI_CAST_PTR(char, - table-> - pointer[*target & - 0x07])); + acpi_rs_out_string(name, + table->pointer[*target & 0x07]); break; case ACPI_RSD_SHORTLIST: @@ -481,7 +473,7 @@ static void acpi_rs_dump_address_common(union acpi_resource_data *resource) * ******************************************************************************/ -static void acpi_rs_out_string(char *title, char *value) +static void acpi_rs_out_string(const char *title, const char *value) { acpi_os_printf("%27s : %s", title, value); @@ -491,30 +483,30 @@ static void acpi_rs_out_string(char *title, char *value) acpi_os_printf("\n"); } -static void acpi_rs_out_integer8(char *title, u8 value) +static void acpi_rs_out_integer8(const char *title, u8 value) { acpi_os_printf("%27s : %2.2X\n", title, value); } -static void acpi_rs_out_integer16(char *title, u16 value) +static void acpi_rs_out_integer16(const char *title, u16 value) { acpi_os_printf("%27s : %4.4X\n", title, value); } -static void acpi_rs_out_integer32(char *title, u32 value) +static void acpi_rs_out_integer32(const char *title, u32 value) { acpi_os_printf("%27s : %8.8X\n", title, value); } -static void acpi_rs_out_integer64(char *title, u64 value) +static void acpi_rs_out_integer64(const char *title, u64 value) { acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); } -static void acpi_rs_out_title(char *title) +static void acpi_rs_out_title(const char *title) { acpi_os_printf("%27s : ", title); diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c index 5c3491387f9f..61e8f16c857d 100644 --- a/drivers/acpi/acpica/rsdumpinfo.c +++ b/drivers/acpi/acpica/rsdumpinfo.c @@ -330,19 +330,20 @@ struct acpi_rsdump_info acpi_rs_dump_fixed_dma[4] = { {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type), "Type", acpi_gbl_sbt_decode}, \ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, \ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.slave_mode), "SlaveMode", acpi_gbl_sm_decode}, \ + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.connection_sharing),"ConnectionSharing", acpi_gbl_shr_decode}, \ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type_revision_id), "TypeRevisionId", NULL}, \ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.type_data_length), "TypeDataLength", NULL}, \ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET (common_serial_bus.resource_source), "ResourceSource", NULL}, \ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.vendor_length), "VendorLength", NULL}, \ {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (common_serial_bus.vendor_data), "VendorData", NULL}, -struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[10] = { +struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[11] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_common_serial_bus), "Common Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS }; -struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = { +struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[14] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus), "I2C Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG, @@ -355,7 +356,7 @@ struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = { "SlaveAddress", NULL}, }; -struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = { +struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[18] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_spi_serial_bus), "Spi Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG, @@ -376,7 +377,7 @@ struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = { "ConnectionSpeed", NULL}, }; -struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[19] = { +struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[20] = { {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_uart_serial_bus), "Uart Serial Bus", NULL}, ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_2BITFLAG, diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c index ce3d0b77ec89..25165ca42051 100644 --- a/drivers/acpi/acpica/rsmisc.c +++ b/drivers/acpi/acpica/rsmisc.c @@ -87,7 +87,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, return_ACPI_STATUS(AE_BAD_PARAMETER); } - if (((acpi_size) resource) & 0x3) { + if (((acpi_size)resource) & 0x3) { /* Each internal resource struct is expected to be 32-bit aligned */ diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c index 8a01296ac7cf..b82c061f205a 100644 --- a/drivers/acpi/acpica/rsserial.c +++ b/drivers/acpi/acpica/rsserial.c @@ -151,7 +151,7 @@ struct acpi_rsconvert_info acpi_rs_convert_gpio[18] = { * ******************************************************************************/ -struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { +struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[17] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)}, @@ -177,6 +177,11 @@ struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { AML_OFFSET(common_serial_bus.flags), 1}, + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing), + AML_OFFSET(common_serial_bus.flags), + 2}, + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), AML_OFFSET(common_serial_bus.type_revision_id), @@ -237,7 +242,7 @@ struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { * ******************************************************************************/ -struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { +struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[21] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, ACPI_RS_SIZE(struct acpi_resource_spi_serialbus), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)}, @@ -263,6 +268,11 @@ struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { AML_OFFSET(common_serial_bus.flags), 1}, + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing), + AML_OFFSET(common_serial_bus.flags), + 2}, + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), AML_OFFSET(common_serial_bus.type_revision_id), @@ -339,7 +349,7 @@ struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { * ******************************************************************************/ -struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = { +struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[23] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, ACPI_RS_SIZE(struct acpi_resource_uart_serialbus), ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)}, @@ -365,6 +375,11 @@ struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = { AML_OFFSET(common_serial_bus.flags), 1}, + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing), + AML_OFFSET(common_serial_bus.flags), + 2}, + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), AML_OFFSET(common_serial_bus.type_revision_id), diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c index cf06e49cd91c..fa491c64c040 100644 --- a/drivers/acpi/acpica/rsutils.c +++ b/drivers/acpi/acpica/rsutils.c @@ -338,7 +338,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, * Note: Some resource descriptors will have an additional null, so * we add 1 to the minimum length. */ - if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) { + if (total_length > (acpi_rsdesc_size)(minimum_length + 1)) { /* Get the resource_source_index */ @@ -377,7 +377,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, ACPI_CAST_PTR(char, &aml_resource_source[1])); - return ((acpi_rs_length) total_length); + return ((acpi_rs_length)total_length); } /* resource_source is not present */ @@ -406,9 +406,9 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, ******************************************************************************/ acpi_rsdesc_size -acpi_rs_set_resource_source(union aml_resource * aml, +acpi_rs_set_resource_source(union aml_resource *aml, acpi_rs_length minimum_length, - struct acpi_resource_source * resource_source) + struct acpi_resource_source *resource_source) { u8 *aml_resource_source; acpi_rsdesc_size descriptor_length; @@ -466,8 +466,8 @@ acpi_rs_set_resource_source(union aml_resource * aml, ******************************************************************************/ acpi_status -acpi_rs_get_prt_method_data(struct acpi_namespace_node * node, - struct acpi_buffer * ret_buffer) +acpi_rs_get_prt_method_data(struct acpi_namespace_node *node, + struct acpi_buffer *ret_buffer) { union acpi_operand_object *obj_desc; acpi_status status; @@ -671,7 +671,7 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, acpi_status acpi_rs_get_method_data(acpi_handle handle, - char *path, struct acpi_buffer *ret_buffer) + const char *path, struct acpi_buffer *ret_buffer) { union acpi_operand_object *obj_desc; acpi_status status; diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index 900933be9909..465ed8137167 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -433,8 +433,8 @@ ACPI_EXPORT_SYMBOL(acpi_resource_to_address64) acpi_status acpi_get_vendor_resource(acpi_handle device_handle, char *name, - struct acpi_vendor_uuid * uuid, - struct acpi_buffer * ret_buffer) + struct acpi_vendor_uuid *uuid, + struct acpi_buffer *ret_buffer) { struct acpi_vendor_walk_info info; acpi_status status; @@ -539,7 +539,7 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) ******************************************************************************/ acpi_status -acpi_walk_resource_buffer(struct acpi_buffer * buffer, +acpi_walk_resource_buffer(struct acpi_buffer *buffer, acpi_walk_resource_callback user_function, void *context) { diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index 7da79ce74080..1388a19e5db8 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -368,7 +368,7 @@ acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc) *****************************************************************************/ acpi_status -acpi_tb_verify_temp_table(struct acpi_table_desc * table_desc, char *signature) +acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature) { acpi_status status = AE_OK; @@ -401,9 +401,9 @@ acpi_tb_verify_temp_table(struct acpi_table_desc * table_desc, char *signature) ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY, "%4.4s 0x%8.8X%8.8X" " Attempted table install failed", - acpi_ut_valid_acpi_name(table_desc-> - signature. - ascii) ? + acpi_ut_valid_nameseg(table_desc-> + signature. + ascii) ? table_desc->signature.ascii : "????", ACPI_FORMAT_UINT64(table_desc-> address))); @@ -454,7 +454,7 @@ acpi_status acpi_tb_resize_root_table_list(void) table_count = acpi_gbl_root_table_list.current_table_count; } - tables = ACPI_ALLOCATE_ZEROED(((acpi_size) table_count + + tables = ACPI_ALLOCATE_ZEROED(((acpi_size)table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc)); if (!tables) { @@ -467,8 +467,7 @@ acpi_status acpi_tb_resize_root_table_list(void) if (acpi_gbl_root_table_list.tables) { memcpy(tables, acpi_gbl_root_table_list.tables, - (acpi_size) table_count * - sizeof(struct acpi_table_desc)); + (acpi_size)table_count * sizeof(struct acpi_table_desc)); if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { ACPI_FREE(acpi_gbl_root_table_list.tables); @@ -701,7 +700,7 @@ acpi_status acpi_tb_release_owner_id(u32 table_index) * ******************************************************************************/ -acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id * owner_id) +acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id) { acpi_status status = AE_BAD_PARAMETER; diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index a79e4f30b530..620806965243 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -53,7 +53,7 @@ static void acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, u8 space_id, u8 byte_width, - u64 address, char *register_name, u8 flags); + u64 address, const char *register_name, u8 flags); static void acpi_tb_convert_fadt(void); @@ -65,7 +65,7 @@ acpi_tb_select_address(char *register_name, u32 address32, u64 address64); /* Table for conversion of FADT to common internal format and FADT validation */ typedef struct acpi_fadt_info { - char *name; + const char *name; u16 address64; u16 address32; u16 length; @@ -192,7 +192,7 @@ static void acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, u8 space_id, u8 byte_width, - u64 address, char *register_name, u8 flags) + u64 address, const char *register_name, u8 flags) { u8 bit_width; @@ -344,7 +344,7 @@ void acpi_tb_parse_fadt(void) /* Obtain the DSDT and FACS tables via their addresses within the FADT */ - acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt, + acpi_tb_install_fixed_table((acpi_physical_address)acpi_gbl_FADT.Xdsdt, ACPI_SIG_DSDT, &acpi_gbl_dsdt_index); /* If Hardware Reduced flag is set, there is no FACS */ @@ -385,14 +385,15 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) { /* * Check if the FADT is larger than the largest table that we expect - * (the ACPI 5.0 version). If so, truncate the table, and issue - * a warning. + * (typically the current ACPI specification version). If so, truncate + * the table, and issue a warning. */ if (length > sizeof(struct acpi_table_fadt)) { ACPI_BIOS_WARNING((AE_INFO, - "FADT (revision %u) is longer than ACPI 5.0 version, " + "FADT (revision %u) is longer than %s length, " "truncating length %u to %u", - table->revision, length, + table->revision, ACPI_FADT_CONFORMANCE, + length, (u32)sizeof(struct acpi_table_fadt))); } @@ -467,7 +468,7 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) static void acpi_tb_convert_fadt(void) { - char *name; + const char *name; struct acpi_generic_address *address64; u32 address32; u8 length; @@ -646,9 +647,12 @@ static void acpi_tb_convert_fadt(void) if ((address64->address && !length) || (!address64->address && length)) { ACPI_BIOS_WARNING((AE_INFO, - "Optional FADT field %s has zero address or length: " - "0x%8.8X%8.8X/0x%X", - name, + "Optional FADT field %s has valid %s but zero %s: " + "0x%8.8X%8.8X/0x%X", name, + (length ? "Length" : + "Address"), + (length ? "Address" : + "Length"), ACPI_FORMAT_UINT64 (address64->address), length)); diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index f2d08034630e..e348d616e60f 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -76,7 +76,7 @@ acpi_tb_find_table(char *signature, /* Validate the input table signature */ - if (!acpi_is_valid_signature(signature)) { + if (!acpi_ut_valid_nameseg(signature)) { return_ACPI_STATUS(AE_BAD_SIGNATURE); } diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 4dc6108de4ff..8b13052128fc 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -299,9 +299,9 @@ acpi_tb_install_standard_table(acpi_physical_address address, ACPI_BIOS_ERROR((AE_INFO, "Table has invalid signature [%4.4s] (0x%8.8X), " "must be SSDT or OEMx", - acpi_ut_valid_acpi_name(new_table_desc. - signature. - ascii) ? + acpi_ut_valid_nameseg(new_table_desc. + signature. + ascii) ? new_table_desc.signature. ascii : "????", new_table_desc.signature.integer)); diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 9240c76d2823..e28553914bf5 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -231,7 +231,7 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) ACPI_FORMAT_UINT64(address64))); } #endif - return ((acpi_physical_address) (address64)); + return ((acpi_physical_address)(address64)); } } @@ -287,12 +287,12 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) * the XSDT if the revision is > 1 and the XSDT pointer is present, * as per the ACPI specification. */ - address = (acpi_physical_address) rsdp->xsdt_physical_address; + address = (acpi_physical_address)rsdp->xsdt_physical_address; table_entry_size = ACPI_XSDT_ENTRY_SIZE; } else { /* Root table is an RSDT (32-bit physical addresses) */ - address = (acpi_physical_address) rsdp->rsdt_physical_address; + address = (acpi_physical_address)rsdp->rsdt_physical_address; table_entry_size = ACPI_RSDT_ENTRY_SIZE; } @@ -380,30 +380,3 @@ next_table: acpi_os_unmap_memory(table, length); return_ACPI_STATUS(AE_OK); } - -/******************************************************************************* - * - * FUNCTION: acpi_is_valid_signature - * - * PARAMETERS: signature - Sig string to be validated - * - * RETURN: TRUE if signature is has 4 valid ACPI characters - * - * DESCRIPTION: Validate an ACPI table signature. - * - ******************************************************************************/ - -u8 acpi_is_valid_signature(char *signature) -{ - u32 i; - - /* Validate each character in the signature */ - - for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (!acpi_ut_valid_acpi_char(signature[i], i)) { - return (FALSE); - } - } - - return (TRUE); -} diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 326df65decef..3ecec937e8c9 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -99,7 +99,7 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count) ******************************************************************************/ acpi_status __init -acpi_initialize_tables(struct acpi_table_desc * initial_table_array, +acpi_initialize_tables(struct acpi_table_desc *initial_table_array, u32 initial_table_count, u8 allow_resize) { acpi_physical_address rsdp_address; @@ -120,7 +120,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array, /* Root Table Array has been statically allocated by the host */ memset(initial_table_array, 0, - (acpi_size) initial_table_count * + (acpi_size)initial_table_count * sizeof(struct acpi_table_desc)); acpi_gbl_root_table_list.tables = initial_table_array; @@ -352,7 +352,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table) * ******************************************************************************/ acpi_status -acpi_get_table_by_index(u32 table_index, struct acpi_table_header ** table) +acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table) { acpi_status status; diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 3151968c10d1..ac71abcd32bb 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -82,7 +82,7 @@ acpi_status __init acpi_load_tables(void) * their customized default region handlers. */ status = acpi_ev_install_region_handlers(); - if (ACPI_FAILURE(status) && status != AE_ALREADY_EXISTS) { + if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "During Region initialization")); return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index b9a78e457d19..adb6cfc54661 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -90,7 +90,7 @@ u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp) * ******************************************************************************/ -acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp) +acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) { /* @@ -142,7 +142,7 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp) * ******************************************************************************/ -acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address) +acpi_status __init acpi_find_root_pointer(acpi_physical_address *table_address) { u8 *table_ptr; u8 *mem_rover; @@ -201,7 +201,7 @@ acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address) (u32) ACPI_PTR_DIFF(mem_rover, table_ptr); *table_address = - (acpi_physical_address) physical_address; + (acpi_physical_address)physical_address; return_ACPI_STATUS(AE_OK); } } @@ -234,7 +234,7 @@ acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address) (ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF(mem_rover, table_ptr)); - *table_address = (acpi_physical_address) physical_address; + *table_address = (acpi_physical_address)physical_address; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c index 3dbdc3ab8b78..13324a27b99b 100644 --- a/drivers/acpi/acpica/utalloc.c +++ b/drivers/acpi/acpica/utalloc.c @@ -231,7 +231,7 @@ acpi_status acpi_ut_delete_caches(void) * ******************************************************************************/ -acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer) +acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer) { /* Obviously, the structure pointer must be valid */ @@ -272,8 +272,7 @@ acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer) ******************************************************************************/ acpi_status -acpi_ut_initialize_buffer(struct acpi_buffer * buffer, - acpi_size required_length) +acpi_ut_initialize_buffer(struct acpi_buffer *buffer, acpi_size required_length) { acpi_size input_buffer_length; diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c new file mode 100644 index 000000000000..706c1f346490 --- /dev/null +++ b/drivers/acpi/acpica/utascii.c @@ -0,0 +1,140 @@ +/****************************************************************************** + * + * Module Name: utascii - Utility ascii functions + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +/******************************************************************************* + * + * FUNCTION: acpi_ut_valid_nameseg + * + * PARAMETERS: name - The name or table signature to be examined. + * Four characters, does not have to be a + * NULL terminated string. + * + * RETURN: TRUE if signature is has 4 valid ACPI characters + * + * DESCRIPTION: Validate an ACPI table signature. + * + ******************************************************************************/ + +u8 acpi_ut_valid_nameseg(char *name) +{ + u32 i; + + /* Validate each character in the signature */ + + for (i = 0; i < ACPI_NAME_SIZE; i++) { + if (!acpi_ut_valid_name_char(name[i], i)) { + return (FALSE); + } + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_valid_name_char + * + * PARAMETERS: char - The character to be examined + * position - Byte position (0-3) + * + * RETURN: TRUE if the character is valid, FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI character. Must be one of: + * 1) Upper case alpha + * 2) numeric + * 3) underscore + * + * We allow a '!' as the last character because of the ASF! table + * + ******************************************************************************/ + +u8 acpi_ut_valid_name_char(char character, u32 position) +{ + + if (!((character >= 'A' && character <= 'Z') || + (character >= '0' && character <= '9') || (character == '_'))) { + + /* Allow a '!' in the last position */ + + if (character == '!' && position == 3) { + return (TRUE); + } + + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_check_and_repair_ascii + * + * PARAMETERS: name - Ascii string + * count - Number of characters to check + * + * RETURN: None + * + * DESCRIPTION: Ensure that the requested number of characters are printable + * Ascii characters. Sets non-printable and null chars to <space>. + * + ******************************************************************************/ + +void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count) +{ + u32 i; + + for (i = 0; i < count; i++) { + repaired_name[i] = (char)name[i]; + + if (!name[i]) { + return; + } + if (!isprint(name[i])) { + repaired_name[i] = ' '; + } + } +} diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c index 0cfb2b8edad5..bd31faf5da7c 100644 --- a/drivers/acpi/acpica/utbuffer.c +++ b/drivers/acpi/acpica/utbuffer.c @@ -106,31 +106,31 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset) default: /* Default is BYTE display */ acpi_os_printf("%02X ", - buffer[(acpi_size) i + j]); + buffer[(acpi_size)i + j]); break; case DB_WORD_DISPLAY: ACPI_MOVE_16_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_os_printf("%04X ", temp32); break; case DB_DWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_os_printf("%08X ", temp32); break; case DB_QWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_os_printf("%08X", temp32); ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j + + &buffer[(acpi_size)i + j + 4]); acpi_os_printf("%08X ", temp32); break; @@ -158,7 +158,7 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset) acpi_os_printf("// "); } - buf_char = buffer[(acpi_size) i + j]; + buf_char = buffer[(acpi_size)i + j]; if (isprint(buf_char)) { acpi_os_printf("%c", buf_char); } else { @@ -274,31 +274,31 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file, default: /* Default is BYTE display */ acpi_ut_file_printf(file, "%02X ", - buffer[(acpi_size) i + j]); + buffer[(acpi_size)i + j]); break; case DB_WORD_DISPLAY: ACPI_MOVE_16_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_ut_file_printf(file, "%04X ", temp32); break; case DB_DWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_ut_file_printf(file, "%08X ", temp32); break; case DB_QWORD_DISPLAY: ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j]); + &buffer[(acpi_size)i + j]); acpi_ut_file_printf(file, "%08X", temp32); ACPI_MOVE_32_TO_32(&temp32, - &buffer[(acpi_size) i + j + + &buffer[(acpi_size)i + j + 4]); acpi_ut_file_printf(file, "%08X ", temp32); break; @@ -318,7 +318,7 @@ acpi_ut_dump_buffer_to_file(ACPI_FILE file, return; } - buf_char = buffer[(acpi_size) i + j]; + buf_char = buffer[(acpi_size)i + j]; if (isprint(buf_char)) { acpi_ut_file_printf(file, "%c", buf_char); } else { diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c index f8e9978888e1..3b8d23ef351f 100644 --- a/drivers/acpi/acpica/utcache.c +++ b/drivers/acpi/acpica/utcache.c @@ -105,7 +105,7 @@ acpi_os_create_cache(char *cache_name, * ******************************************************************************/ -acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache) +acpi_status acpi_os_purge_cache(struct acpi_memory_list *cache) { void *next; acpi_status status; @@ -151,7 +151,7 @@ acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache) * ******************************************************************************/ -acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache) +acpi_status acpi_os_delete_cache(struct acpi_memory_list *cache) { acpi_status status; @@ -184,8 +184,7 @@ acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache) * ******************************************************************************/ -acpi_status -acpi_os_release_object(struct acpi_memory_list * cache, void *object) +acpi_status acpi_os_release_object(struct acpi_memory_list *cache, void *object) { acpi_status status; diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index 98d53e59ce55..82f971402d85 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("utcopy") static acpi_status acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, union acpi_object *external_object, - u8 * data_space, acpi_size * buffer_space_used); + u8 *data_space, acpi_size *buffer_space_used); static acpi_status acpi_ut_copy_ielement_to_ielement(u8 object_type, @@ -63,7 +63,7 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type, static acpi_status acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, - u8 * buffer, acpi_size * space_used); + u8 *buffer, acpi_size *space_used); static acpi_status acpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj, @@ -111,7 +111,7 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj, static acpi_status acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, union acpi_object *external_object, - u8 * data_space, acpi_size * buffer_space_used) + u8 *data_space, acpi_size *buffer_space_used) { acpi_status status = AE_OK; @@ -151,7 +151,7 @@ acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, memcpy((void *)data_space, (void *)internal_object->string.pointer, - (acpi_size) internal_object->string.length + 1); + (acpi_size)internal_object->string.length + 1); break; case ACPI_TYPE_BUFFER: @@ -331,7 +331,7 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type, static acpi_status acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, - u8 * buffer, acpi_size * space_used) + u8 *buffer, acpi_size *space_used) { union acpi_object *external_object; acpi_status status; @@ -362,7 +362,7 @@ acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, * Leave room for an array of ACPI_OBJECTS in the buffer * and move the free space past it */ - info.length += (acpi_size) external_object->package.count * + info.length += (acpi_size)external_object->package.count * ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); info.free_space += external_object->package.count * ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); @@ -738,7 +738,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, */ if (source_desc->string.pointer) { dest_desc->string.pointer = - ACPI_ALLOCATE((acpi_size) source_desc->string. + ACPI_ALLOCATE((acpi_size)source_desc->string. length + 1); if (!dest_desc->string.pointer) { return (AE_NO_MEMORY); @@ -748,7 +748,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc, memcpy(dest_desc->string.pointer, source_desc->string.pointer, - (acpi_size) source_desc->string.length + 1); + (acpi_size)source_desc->string.length + 1); } break; diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index 1cfc5f69b033..574422205005 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -51,13 +51,9 @@ ACPI_MODULE_NAME("utdebug") #ifdef ACPI_DEBUG_OUTPUT -static acpi_thread_id acpi_gbl_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF; -static char *acpi_gbl_fn_entry_str = "----Entry"; -static char *acpi_gbl_fn_exit_str = "----Exit-"; - -/* Local prototypes */ - -static const char *acpi_ut_trim_function_name(const char *function_name); +static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF; +static const char *acpi_gbl_function_entry_prefix = "----Entry"; +static const char *acpi_gbl_function_exit_prefix = "----Exit-"; /******************************************************************************* * @@ -178,14 +174,14 @@ acpi_debug_print(u32 requested_debug_level, * Thread tracking and context switch notification */ thread_id = acpi_os_get_thread_id(); - if (thread_id != acpi_gbl_prev_thread_id) { + if (thread_id != acpi_gbl_previous_thread_id) { if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf ("\n**** Context Switch from TID %u to TID %u ****\n\n", - (u32)acpi_gbl_prev_thread_id, (u32)thread_id); + (u32)acpi_gbl_previous_thread_id, (u32)thread_id); } - acpi_gbl_prev_thread_id = thread_id; + acpi_gbl_previous_thread_id = thread_id; acpi_gbl_nesting_level = 0; } @@ -287,7 +283,8 @@ acpi_ut_trace(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s\n", acpi_gbl_fn_entry_str); + component_id, "%s\n", + acpi_gbl_function_entry_prefix); } } @@ -312,7 +309,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace) void acpi_ut_trace_ptr(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, void *pointer) + const char *module_name, + u32 component_id, const void *pointer) { acpi_gbl_nesting_level++; @@ -323,8 +321,8 @@ acpi_ut_trace_ptr(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s %p\n", acpi_gbl_fn_entry_str, - pointer); + component_id, "%s %p\n", + acpi_gbl_function_entry_prefix, pointer); } } @@ -348,7 +346,7 @@ acpi_ut_trace_ptr(u32 line_number, void acpi_ut_trace_str(u32 line_number, const char *function_name, - const char *module_name, u32 component_id, char *string) + const char *module_name, u32 component_id, const char *string) { acpi_gbl_nesting_level++; @@ -359,8 +357,8 @@ acpi_ut_trace_str(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s %s\n", acpi_gbl_fn_entry_str, - string); + component_id, "%s %s\n", + acpi_gbl_function_entry_prefix, string); } } @@ -396,7 +394,7 @@ acpi_ut_trace_u32(u32 line_number, acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %08X\n", - acpi_gbl_fn_entry_str, integer); + acpi_gbl_function_entry_prefix, integer); } } @@ -427,7 +425,8 @@ acpi_ut_exit(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s\n", acpi_gbl_fn_exit_str); + component_id, "%s\n", + acpi_gbl_function_exit_prefix); } if (acpi_gbl_nesting_level) { @@ -467,14 +466,14 @@ acpi_ut_status_exit(u32 line_number, acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %s\n", - acpi_gbl_fn_exit_str, + acpi_gbl_function_exit_prefix, acpi_format_exception(status)); } else { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s ****Exception****: %s\n", - acpi_gbl_fn_exit_str, + acpi_gbl_function_exit_prefix, acpi_format_exception(status)); } } @@ -514,7 +513,7 @@ acpi_ut_value_exit(u32 line_number, acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, component_id, "%s %8.8X%8.8X\n", - acpi_gbl_fn_exit_str, + acpi_gbl_function_exit_prefix, ACPI_FORMAT_UINT64(value)); } @@ -552,8 +551,8 @@ acpi_ut_ptr_exit(u32 line_number, if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) { acpi_debug_print(ACPI_LV_FUNCTIONS, line_number, function_name, module_name, - component_id, "%s %p\n", acpi_gbl_fn_exit_str, - ptr); + component_id, "%s %p\n", + acpi_gbl_function_exit_prefix, ptr); } if (acpi_gbl_nesting_level) { diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index 6ba65b02550c..efd7988e34cb 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -446,7 +446,7 @@ const char *acpi_ut_get_mutex_name(u32 mutex_id) /* Names for Notify() values, used for debug output */ -static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = { +static const char *acpi_gbl_generic_notify[ACPI_GENERIC_NOTIFY_MAX + 1] = { /* 00 */ "Bus Check", /* 01 */ "Device Check", /* 02 */ "Device Wake", @@ -459,49 +459,53 @@ static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = { /* 09 */ "Device PLD Check", /* 0A */ "Reserved", /* 0B */ "System Locality Update", - /* 0C */ "Shutdown Request", + /* 0C */ "Shutdown Request", + /* Reserved in ACPI 6.0 */ /* 0D */ "System Resource Affinity Update" }; -static const char *acpi_gbl_device_notify[4] = { +static const char *acpi_gbl_device_notify[5] = { /* 80 */ "Status Change", /* 81 */ "Information Change", /* 82 */ "Device-Specific Change", - /* 83 */ "Device-Specific Change" + /* 83 */ "Device-Specific Change", + /* 84 */ "Reserved" }; -static const char *acpi_gbl_processor_notify[4] = { +static const char *acpi_gbl_processor_notify[5] = { /* 80 */ "Performance Capability Change", /* 81 */ "C-State Change", /* 82 */ "Throttling Capability Change", - /* 83 */ "Device-Specific Change" + /* 83 */ "Guaranteed Change", + /* 84 */ "Minimum Excursion" }; -static const char *acpi_gbl_thermal_notify[4] = { +static const char *acpi_gbl_thermal_notify[5] = { /* 80 */ "Thermal Status Change", /* 81 */ "Thermal Trip Point Change", /* 82 */ "Thermal Device List Change", - /* 83 */ "Thermal Relationship Change" + /* 83 */ "Thermal Relationship Change", + /* 84 */ "Reserved" }; const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type) { - /* 00 - 0D are common to all object types */ + /* 00 - 0D are "common to all object types" (from ACPI Spec) */ - if (notify_value <= ACPI_NOTIFY_MAX) { + if (notify_value <= ACPI_GENERIC_NOTIFY_MAX) { return (acpi_gbl_generic_notify[notify_value]); } - /* 0D - 7F are reserved */ + /* 0E - 7F are reserved */ if (notify_value <= ACPI_MAX_SYS_NOTIFY) { return ("Reserved"); } - /* 80 - 83 are per-object-type */ + /* 80 - 84 are per-object-type */ - if (notify_value <= 0x83) { + if (notify_value <= ACPI_SPECIFIC_NOTIFY_MAX) { switch (type) { case ACPI_TYPE_ANY: case ACPI_TYPE_DEVICE: diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index 17b9f3e6e1e1..7bad13f2e518 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -69,7 +69,7 @@ ACPI_MODULE_NAME("uteval") acpi_status acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node, - char *path, + const char *path, u32 expected_return_btypes, union acpi_operand_object **return_desc) { @@ -204,7 +204,7 @@ cleanup: ******************************************************************************/ acpi_status -acpi_ut_evaluate_numeric_object(char *object_name, +acpi_ut_evaluate_numeric_object(const char *object_name, struct acpi_namespace_node *device_node, u64 *value) { diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index 48fffcfe9911..dd3fd7f97f8e 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -80,6 +80,11 @@ const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = { "_S4D" }; +/* Hex-to-ascii */ + +const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; +const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; + /******************************************************************************* * * Namespace globals @@ -221,6 +226,49 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = }; #endif /* !ACPI_REDUCED_HARDWARE */ +#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) + +/* to_pld macro: compile/disassemble strings */ + +const char *acpi_gbl_pld_panel_list[] = { + "TOP", + "BOTTOM", + "LEFT", + "RIGHT", + "FRONT", + "BACK", + "UNKNOWN", + NULL +}; + +const char *acpi_gbl_pld_vertical_position_list[] = { + "UPPER", + "CENTER", + "LOWER", + NULL +}; + +const char *acpi_gbl_pld_horizontal_position_list[] = { + "LEFT", + "CENTER", + "RIGHT", + NULL +}; + +const char *acpi_gbl_pld_shape_list[] = { + "ROUND", + "OVAL", + "SQUARE", + "VERTICALRECTANGLE", + "HORIZONTALRECTANGLE", + "VERTICALTRAPEZOID", + "HORIZONTALTRAPEZOID", + "UNKNOWN", + "CHAMFERED", + NULL +}; +#endif + /* Public globals */ ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index 6fb4ec365272..f7cd2d52643b 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -95,7 +95,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node, hid = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); + (acpi_size)length); if (!hid) { status = AE_NO_MEMORY; goto cleanup; @@ -173,7 +173,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node, uid = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); + (acpi_size)length); if (!uid) { status = AE_NO_MEMORY; goto cleanup; @@ -309,7 +309,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node *device_node, /* Area for CID strings starts after the CID PNP_DEVICE_ID array */ next_id_string = ACPI_CAST_PTR(char, cid_list->ids) + - ((acpi_size) count * sizeof(struct acpi_pnp_device_id)); + ((acpi_size)count * sizeof(struct acpi_pnp_device_id)); /* Copy/convert the CIDs to the return buffer */ @@ -413,7 +413,7 @@ acpi_ut_execute_CLS(struct acpi_namespace_node *device_node, cls = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); + (acpi_size)length); if (!cls) { status = AE_NO_MEMORY; goto cleanup; diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c index 667372093de1..2d6530ee7e51 100644 --- a/drivers/acpi/acpica/utmath.c +++ b/drivers/acpi/acpica/utmath.c @@ -236,8 +236,8 @@ acpi_ut_divide(u64 in_dividend, } remainder.full = remainder.full - dividend.full; - remainder.part.hi = (u32) - ((s32) remainder.part.hi); - remainder.part.lo = (u32) - ((s32) remainder.part.lo); + remainder.part.hi = (u32)-((s32)remainder.part.hi); + remainder.part.lo = (u32)-((s32)remainder.part.lo); if (remainder.part.lo) { remainder.part.hi--; diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index d938c27cc6cf..389de3bd1ff1 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -361,7 +361,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object, void acpi_ut_display_init_pathname(u8 type, struct acpi_namespace_node *obj_handle, - char *path) + const char *path) { acpi_status status; struct acpi_buffer buffer; diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c index d5c3adf19bd0..3465fe2c5a5c 100644 --- a/drivers/acpi/acpica/utnonansi.c +++ b/drivers/acpi/acpica/utnonansi.c @@ -205,37 +205,41 @@ acpi_ut_safe_strncat(char *dest, * * FUNCTION: acpi_ut_strtoul64 * - * PARAMETERS: string - Null terminated string - * base - Radix of the string: 16 or ACPI_ANY_BASE; - * ACPI_ANY_BASE means 'in behalf of to_integer' - * ret_integer - Where the converted integer is returned + * PARAMETERS: string - Null terminated string + * base - Radix of the string: 16 or 10 or + * ACPI_ANY_BASE + * max_integer_byte_width - Maximum allowable integer,in bytes: + * 4 or 8 (32 or 64 bits) + * ret_integer - Where the converted integer is + * returned * * RETURN: Status and Converted value * * DESCRIPTION: Convert a string into an unsigned value. Performs either a - * 32-bit or 64-bit conversion, depending on the current mode - * of the interpreter. + * 32-bit or 64-bit conversion, depending on the input integer + * size (often the current mode of the interpreter). * - * NOTES: acpi_gbl_integer_byte_width should be set to the proper width. + * NOTES: Negative numbers are not supported, as they are not supported + * by ACPI. + * + * acpi_gbl_integer_byte_width should be set to the proper width. * For the core ACPICA code, this width depends on the DSDT - * version. For iASL, the default byte width is always 8. + * version. For iASL, the default byte width is always 8 for the + * parser, but error checking is performed later to flag cases + * where a 64-bit constant is defined in a 32-bit DSDT/SSDT. * * Does not support Octal strings, not needed at this time. * - * There is an earlier version of the function after this one, - * below. It is slightly different than this one, and the two - * may eventually may need to be merged. (01/2016). - * ******************************************************************************/ -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) +acpi_status +acpi_ut_strtoul64(char *string, + u32 base, u32 max_integer_byte_width, u64 *ret_integer) { u32 this_digit = 0; u64 return_value = 0; u64 quotient; u64 dividend; - u32 to_integer_op = (base == ACPI_ANY_BASE); - u32 mode32 = (acpi_gbl_integer_byte_width == 4); u8 valid_digits = 0; u8 sign_of0x = 0; u8 term = 0; @@ -244,6 +248,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) switch (base) { case ACPI_ANY_BASE: + case 10: case 16: break; @@ -265,9 +270,9 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) string++; } - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { /* - * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. + * Base equal to ACPI_ANY_BASE means 'Either decimal or hex'. * We need to determine if it is decimal or hexadecimal. */ if ((*string == '0') && (tolower((int)*(string + 1)) == 'x')) { @@ -284,7 +289,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) /* Any string left? Check that '0x' is not followed by white space. */ if (!(*string) || isspace((int)*string) || *string == '\t') { - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { goto error_exit; } else { goto all_done; @@ -292,10 +297,11 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) } /* - * Perform a 32-bit or 64-bit conversion, depending upon the current - * execution mode of the interpreter + * Perform a 32-bit or 64-bit conversion, depending upon the input + * byte width */ - dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; + dividend = (max_integer_byte_width <= ACPI_MAX32_BYTE_WIDTH) ? + ACPI_UINT32_MAX : ACPI_UINT64_MAX; /* Main loop: convert the string to a 32- or 64-bit integer */ @@ -323,7 +329,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) } if (term) { - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { goto error_exit; } else { break; @@ -338,12 +344,13 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) valid_digits++; - if (sign_of0x - && ((valid_digits > 16) - || ((valid_digits > 8) && mode32))) { + if (sign_of0x && ((valid_digits > 16) || + ((valid_digits > 8) + && (max_integer_byte_width <= + ACPI_MAX32_BYTE_WIDTH)))) { /* * This is to_integer operation case. - * No any restrictions for string-to-integer conversion, + * No restrictions for string-to-integer conversion, * see ACPI spec. */ goto error_exit; @@ -355,7 +362,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) "ient, NULL); if (return_value > quotient) { - if (to_integer_op) { + if (base == ACPI_ANY_BASE) { goto error_exit; } else { break; @@ -378,7 +385,8 @@ all_done: return_ACPI_STATUS(AE_OK); error_exit: - /* Base was set/validated above */ + + /* Base was set/validated above (10 or 16) */ if (base == 10) { return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT); @@ -388,8 +396,7 @@ error_exit: } #ifdef _OBSOLETE_FUNCTIONS -/* TBD: use version in ACPICA main code base? */ -/* DONE: 01/2016 */ +/* Removed: 01/2016 */ /******************************************************************************* * diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index edad3f043ab9..72b9a062bbab 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -51,11 +51,11 @@ ACPI_MODULE_NAME("utobject") /* Local prototypes */ static acpi_status acpi_ut_get_simple_object_size(union acpi_operand_object *obj, - acpi_size * obj_length); + acpi_size *obj_length); static acpi_status acpi_ut_get_package_object_size(union acpi_operand_object *obj, - acpi_size * obj_length); + acpi_size *obj_length); static acpi_status acpi_ut_get_element_length(u8 object_type, @@ -177,7 +177,7 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count) * Create the element array. Count+1 allows the array to be null * terminated. */ - package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count + + package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size)count + 1) * sizeof(void *)); if (!package_elements) { ACPI_FREE(package_desc); @@ -454,7 +454,7 @@ void acpi_ut_delete_object_desc(union acpi_operand_object *object) static acpi_status acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, - acpi_size * obj_length) + acpi_size *obj_length) { acpi_size length; acpi_size size; @@ -495,12 +495,12 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, switch (internal_object->common.type) { case ACPI_TYPE_STRING: - length += (acpi_size) internal_object->string.length + 1; + length += (acpi_size)internal_object->string.length + 1; break; case ACPI_TYPE_BUFFER: - length += (acpi_size) internal_object->buffer.length; + length += (acpi_size)internal_object->buffer.length; break; case ACPI_TYPE_INTEGER: @@ -640,7 +640,7 @@ acpi_ut_get_element_length(u8 object_type, static acpi_status acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, - acpi_size * obj_length) + acpi_size *obj_length) { acpi_status status; struct acpi_pkg_info info; @@ -665,7 +665,7 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, */ info.length += ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) * - (acpi_size) info.num_packages; + (acpi_size)info.num_packages; /* Return the total package length */ @@ -689,7 +689,7 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, acpi_status acpi_ut_get_object_size(union acpi_operand_object *internal_object, - acpi_size * obj_length) + acpi_size *obj_length) { acpi_status status; diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index b5cfe577fabf..3f5fed670271 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -150,7 +150,7 @@ acpi_status acpi_ut_initialize_interfaces(void) i < (ACPI_ARRAY_LENGTH(acpi_default_supported_interfaces) - 1); i++) { acpi_default_supported_interfaces[i].next = - &acpi_default_supported_interfaces[(acpi_size) i + 1]; + &acpi_default_supported_interfaces[(acpi_size)i + 1]; } acpi_os_release_mutex(acpi_gbl_osi_mutex); @@ -397,7 +397,7 @@ struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name) * ******************************************************************************/ -acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state) +acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) { union acpi_operand_object *string_desc; union acpi_operand_object *return_desc; diff --git a/drivers/acpi/acpica/utownerid.c b/drivers/acpi/acpica/utownerid.c index 813520ab8ca4..3cd573c5f7f9 100644 --- a/drivers/acpi/acpica/utownerid.c +++ b/drivers/acpi/acpica/utownerid.c @@ -61,7 +61,7 @@ ACPI_MODULE_NAME("utownerid") * when the method exits or the table is unloaded. * ******************************************************************************/ -acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) +acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id) { u32 i; u32 j; @@ -122,7 +122,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) * permanently allocated (prevents +1 overflow) */ *owner_id = - (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j)); + (acpi_owner_id)((k + 1) + ACPI_MUL_32(j)); ACPI_DEBUG_PRINT((ACPI_DB_VALUES, "Allocated OwnerId: %2.2X\n", @@ -167,7 +167,7 @@ exit: * ******************************************************************************/ -void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) +void acpi_ut_release_owner_id(acpi_owner_id *owner_id_ptr) { acpi_owner_id owner_id = *owner_id_ptr; acpi_status status; diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c index 8c218ad787cd..dd084cf52502 100644 --- a/drivers/acpi/acpica/utprint.c +++ b/drivers/acpi/acpica/utprint.c @@ -67,11 +67,6 @@ static char *acpi_ut_format_number(char *string, static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper); -/* Module globals */ - -static const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; -static const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; - /******************************************************************************* * * FUNCTION: acpi_ut_bound_string_length @@ -269,9 +264,9 @@ static char *acpi_ut_format_number(char *string, sign = '\0'; if (type & ACPI_FORMAT_SIGN) { - if ((s64) number < 0) { + if ((s64)number < 0) { sign = '-'; - number = -(s64) number; + number = -(s64)number; width--; } else if (type & ACPI_FORMAT_SIGN_PLUS) { sign = '+'; @@ -409,7 +404,7 @@ acpi_ut_vsnprintf(char *string, width = -1; if (isdigit((int)*format)) { format = acpi_ut_scan_number(format, &number); - width = (s32) number; + width = (s32)number; } else if (*format == '*') { ++format; width = va_arg(args, int); @@ -426,7 +421,7 @@ acpi_ut_vsnprintf(char *string, ++format; if (isdigit((int)*format)) { format = acpi_ut_scan_number(format, &number); - precision = (s32) number; + precision = (s32)number; } else if (*format == '*') { ++format; precision = va_arg(args, int); @@ -555,17 +550,17 @@ acpi_ut_vsnprintf(char *string, if (qualifier == 'L') { number = va_arg(args, u64); if (type & ACPI_FORMAT_SIGN) { - number = (s64) number; + number = (s64)number; } } else if (qualifier == 'l') { number = va_arg(args, unsigned long); if (type & ACPI_FORMAT_SIGN) { - number = (s32) number; + number = (s32)number; } } else if (qualifier == 'h') { number = (u16)va_arg(args, int); if (type & ACPI_FORMAT_SIGN) { - number = (s16) number; + number = (s16)number; } } else { number = va_arg(args, unsigned int); diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 0b005728db4e..288913a0e709 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -130,7 +130,7 @@ void acpi_ut_print_string(char *string, u16 max_length) } else { /* All others will be Hex escapes */ - acpi_os_printf("\\x%2.2X", (s32) string[i]); + acpi_os_printf("\\x%2.2X", (s32)string[i]); } break; } @@ -145,73 +145,6 @@ void acpi_ut_print_string(char *string, u16 max_length) /******************************************************************************* * - * FUNCTION: acpi_ut_valid_acpi_char - * - * PARAMETERS: char - The character to be examined - * position - Byte position (0-3) - * - * RETURN: TRUE if the character is valid, FALSE otherwise - * - * DESCRIPTION: Check for a valid ACPI character. Must be one of: - * 1) Upper case alpha - * 2) numeric - * 3) underscore - * - * We allow a '!' as the last character because of the ASF! table - * - ******************************************************************************/ - -u8 acpi_ut_valid_acpi_char(char character, u32 position) -{ - - if (!((character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9') || (character == '_'))) { - - /* Allow a '!' in the last position */ - - if (character == '!' && position == 3) { - return (TRUE); - } - - return (FALSE); - } - - return (TRUE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_valid_acpi_name - * - * PARAMETERS: name - The name to be examined. Does not have to - * be NULL terminated string. - * - * RETURN: TRUE if the name is valid, FALSE otherwise - * - * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: - * 1) Upper case alpha - * 2) numeric - * 3) underscore - * - ******************************************************************************/ - -u8 acpi_ut_valid_acpi_name(char *name) -{ - u32 i; - - ACPI_FUNCTION_ENTRY(); - - for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (!acpi_ut_valid_acpi_char(name[i], i)) { - return (FALSE); - } - } - - return (TRUE); -} - -/******************************************************************************* - * * FUNCTION: acpi_ut_repair_name * * PARAMETERS: name - The ACPI name to be repaired @@ -253,7 +186,7 @@ void acpi_ut_repair_name(char *name) /* Check each character in the name */ for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (acpi_ut_valid_acpi_char(name[i], i)) { + if (acpi_ut_valid_name_char(name[i], i)) { continue; } diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c index 60c406a8efcb..0df07dfa53b6 100644 --- a/drivers/acpi/acpica/uttrack.c +++ b/drivers/acpi/acpica/uttrack.c @@ -90,7 +90,7 @@ acpi_ut_remove_allocation(struct acpi_debug_mem_block *address, ******************************************************************************/ acpi_status -acpi_ut_create_list(char *list_name, +acpi_ut_create_list(const char *list_name, u16 object_size, struct acpi_memory_list **return_cache) { struct acpi_memory_list *cache; diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index 68d4673f62e6..d9e6aac7dc83 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -127,7 +127,7 @@ ACPI_EXPORT_SYMBOL(acpi_subsystem_status) * and the value of out_buffer is undefined. * ******************************************************************************/ -acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) +acpi_status acpi_get_system_info(struct acpi_buffer *out_buffer) { struct acpi_system_info *info_ptr; acpi_status status; @@ -483,7 +483,7 @@ ACPI_EXPORT_SYMBOL(acpi_check_address_range) ******************************************************************************/ acpi_status acpi_decode_pld_buffer(u8 *in_buffer, - acpi_size length, struct acpi_pld_info ** return_buffer) + acpi_size length, struct acpi_pld_info **return_buffer) { struct acpi_pld_info *pld_info; u32 *buffer = ACPI_CAST_PTR(u32, in_buffer); diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 96809cd99ace..bdc67bad61a7 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -3,7 +3,7 @@ * * Check to see if the given machine has a known bad ACPI BIOS * or if the BIOS is too old. - * Check given machine against acpi_osi_dmi_table[]. + * Check given machine against acpi_rev_dmi_table[]. * * Copyright (C) 2004 Len Brown <len.brown@intel.com> * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com> @@ -47,7 +47,7 @@ struct acpi_blacklist_item { u32 is_critical_error; }; -static struct dmi_system_id acpi_osi_dmi_table[] __initdata; +static struct dmi_system_id acpi_rev_dmi_table[] __initdata; /* * POLICY: If *anything* doesn't work, put it on the blacklist. @@ -128,36 +128,12 @@ int __init acpi_blacklisted(void) } } - dmi_check_system(acpi_osi_dmi_table); + (void)early_acpi_osi_init(); + dmi_check_system(acpi_rev_dmi_table); return blacklisted; } #ifdef CONFIG_DMI -static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) -{ - acpi_dmi_osi_linux(1, d); /* enable */ - return 0; -} -static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) -{ - printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); - acpi_osi_setup("!Windows 2006"); - acpi_osi_setup("!Windows 2006 SP1"); - acpi_osi_setup("!Windows 2006 SP2"); - return 0; -} -static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) -{ - printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); - acpi_osi_setup("!Windows 2009"); - return 0; -} -static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) -{ - printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); - acpi_osi_setup("!Windows 2012"); - return 0; -} #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE static int __init dmi_enable_rev_override(const struct dmi_system_id *d) { @@ -168,169 +144,7 @@ static int __init dmi_enable_rev_override(const struct dmi_system_id *d) } #endif -static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { - { - .callback = dmi_disable_osi_vista, - .ident = "Fujitsu Siemens", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), - }, - }, - { - /* - * There have a NVIF method in MSI GX723 DSDT need call by Nvidia - * driver (e.g. nouveau) when user press brightness hotkey. - * Currently, nouveau driver didn't do the job and it causes there - * have a infinite while loop in DSDT when user press hotkey. - * We add MSI GX723's dmi information to this table for workaround - * this issue. - * Will remove MSI GX723 from the table after nouveau grows support. - */ - .callback = dmi_disable_osi_vista, - .ident = "MSI GX723", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), - DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "Sony VGN-NS10J_S", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "Sony VGN-SR290J", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "VGN-NS50B_L", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "VGN-SR19XN", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "Toshiba Satellite L355", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), - }, - }, - { - .callback = dmi_disable_osi_win7, - .ident = "ASUS K50IJ", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "Toshiba P305D", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), - }, - }, - { - .callback = dmi_disable_osi_vista, - .ident = "Toshiba NB100", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "NB100"), - }, - }, - - /* - * The wireless hotkey does not work on those machines when - * returning true for _OSI("Windows 2012") - */ - { - .callback = dmi_disable_osi_win8, - .ident = "Dell Inspiron 7737", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "Dell Inspiron 7537", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "Dell Inspiron 5437", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "Dell Inspiron 3437", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "Dell Vostro 3446", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "Dell Vostro 3546", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"), - }, - }, - - /* - * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. - * Linux ignores it, except for the machines enumerated below. - */ - - /* - * Without this this EEEpc exports a non working WMI interface, with - * this it exports a working "good old" eeepc_laptop interface, fixing - * both brightness control, and rfkill not working. - */ - { - .callback = dmi_enable_osi_linux, - .ident = "Asus EEE PC 1015PX", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), - }, - }, - +static struct dmi_system_id acpi_rev_dmi_table[] __initdata = { #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE /* * DELL XPS 13 (2015) switches sound between HDA and I2S diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index c068c829b453..31e8da648fff 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -925,11 +925,13 @@ void __init acpi_early_init(void) goto error0; } - status = acpi_load_tables(); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX - "Unable to load the System Description Tables\n"); - goto error0; + if (acpi_gbl_group_module_level_code) { + status = acpi_load_tables(); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to load the System Description Tables\n"); + goto error0; + } } #ifdef CONFIG_X86 @@ -995,17 +997,10 @@ static int __init acpi_bus_init(void) acpi_os_initialize1(); - status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX - "Unable to start the ACPI Interpreter\n"); - goto error1; - } - /* * ACPI 2.0 requires the EC driver to be loaded and work before - * the EC device is found in the namespace (i.e. before acpi_initialize_objects() - * is called). + * the EC device is found in the namespace (i.e. before + * acpi_load_tables() is called). * * This is accomplished by looking for the ECDT table, and getting * the EC parameters out of that. @@ -1013,6 +1008,22 @@ static int __init acpi_bus_init(void) status = acpi_ec_ecdt_probe(); /* Ignore result. Not having an ECDT is not fatal. */ + if (!acpi_gbl_group_module_level_code) { + status = acpi_load_tables(); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to load the System Description Tables\n"); + goto error1; + } + } + + status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX + "Unable to start the ACPI Interpreter\n"); + goto error1; + } + status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n"); diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index b9afb47db7ed..7b2c48fde4e2 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -35,7 +35,7 @@ static ssize_t acpi_object_path(acpi_handle handle, char *buf) if (result) return result; - result = sprintf(buf, "%s\n", (char*)path.pointer); + result = sprintf(buf, "%s\n", (char *)path.pointer); kfree(path.pointer); return result; } @@ -333,7 +333,8 @@ int acpi_device_modalias(struct device *dev, char *buf, int size) EXPORT_SYMBOL_GPL(acpi_device_modalias); static ssize_t -acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { +acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf) +{ return __acpi_device_modalias(to_acpi_device(dev), buf, 1024); } static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); @@ -397,7 +398,8 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); static ssize_t -acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) { +acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) +{ struct acpi_device *acpi_dev = to_acpi_device(dev); return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev)); @@ -467,12 +469,27 @@ acpi_device_sun_show(struct device *dev, struct device_attribute *attr, status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun); if (ACPI_FAILURE(status)) - return -ENODEV; + return -EIO; return sprintf(buf, "%llu\n", sun); } static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL); +static ssize_t +acpi_device_hrv_show(struct device *dev, struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + acpi_status status; + unsigned long long hrv; + + status = acpi_evaluate_integer(acpi_dev->handle, "_HRV", NULL, &hrv); + if (ACPI_FAILURE(status)) + return -EIO; + + return sprintf(buf, "%llu\n", hrv); +} +static DEVICE_ATTR(hrv, 0444, acpi_device_hrv_show, NULL); + static ssize_t status_show(struct device *dev, struct device_attribute *attr, char *buf) { struct acpi_device *acpi_dev = to_acpi_device(dev); @@ -481,7 +498,7 @@ static ssize_t status_show(struct device *dev, struct device_attribute *attr, status = acpi_evaluate_integer(acpi_dev->handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status)) - return -ENODEV; + return -EIO; return sprintf(buf, "%llu\n", sta); } @@ -541,16 +558,22 @@ int acpi_device_setup_files(struct acpi_device *dev) goto end; } + if (acpi_has_method(dev->handle, "_HRV")) { + result = device_create_file(&dev->dev, &dev_attr_hrv); + if (result) + goto end; + } + if (acpi_has_method(dev->handle, "_STA")) { result = device_create_file(&dev->dev, &dev_attr_status); if (result) goto end; } - /* - * If device has _EJ0, 'eject' file is created that is used to trigger - * hot-removal function from userland. - */ + /* + * If device has _EJ0, 'eject' file is created that is used to trigger + * hot-removal function from userland. + */ if (acpi_has_method(dev->handle, "_EJ0")) { result = device_create_file(&dev->dev, &dev_attr_eject); if (result) @@ -604,6 +627,9 @@ void acpi_device_remove_files(struct acpi_device *dev) if (acpi_has_method(dev->handle, "_SUN")) device_remove_file(&dev->dev, &dev_attr_sun); + if (acpi_has_method(dev->handle, "_HRV")) + device_remove_file(&dev->dev, &dev_attr_hrv); + if (dev->pnp.unique_id) device_remove_file(&dev->dev, &dev_attr_uid); if (dev->pnp.type.bus_address) diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index b420fb46669d..0e70181f150c 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -105,8 +105,8 @@ enum ec_command { enum { EC_FLAGS_QUERY_PENDING, /* Query is pending */ EC_FLAGS_QUERY_GUARDING, /* Guard for SCI_EVT check */ - EC_FLAGS_HANDLERS_INSTALLED, /* Handlers for GPE and - * OpReg are installed */ + EC_FLAGS_GPE_HANDLER_INSTALLED, /* GPE handler installed */ + EC_FLAGS_EC_HANDLER_INSTALLED, /* OpReg handler installed */ EC_FLAGS_STARTED, /* Driver is started */ EC_FLAGS_STOPPED, /* Driver is stopped */ EC_FLAGS_COMMAND_STORM, /* GPE storms occurred to the @@ -175,10 +175,9 @@ static void acpi_ec_event_processor(struct work_struct *work); struct acpi_ec *boot_ec, *first_ec; EXPORT_SYMBOL(first_ec); -static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */ -static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */ static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */ static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */ +static int EC_FLAGS_CORRECT_ECDT; /* Needs ECDT port address correction */ /* -------------------------------------------------------------------------- * Logging/Debugging @@ -367,7 +366,8 @@ static inline void acpi_ec_clear_gpe(struct acpi_ec *ec) static void acpi_ec_submit_request(struct acpi_ec *ec) { ec->reference_count++; - if (ec->reference_count == 1) + if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags) && + ec->reference_count == 1) acpi_ec_enable_gpe(ec, true); } @@ -376,7 +376,8 @@ static void acpi_ec_complete_request(struct acpi_ec *ec) bool flushed = false; ec->reference_count--; - if (ec->reference_count == 0) + if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags) && + ec->reference_count == 0) acpi_ec_disable_gpe(ec, true); flushed = acpi_ec_flushed(ec); if (flushed) @@ -1287,52 +1288,64 @@ static int ec_install_handlers(struct acpi_ec *ec) { acpi_status status; - if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags)) - return 0; - status = acpi_install_gpe_raw_handler(NULL, ec->gpe, - ACPI_GPE_EDGE_TRIGGERED, - &acpi_ec_gpe_handler, ec); - if (ACPI_FAILURE(status)) - return -ENODEV; - acpi_ec_start(ec, false); - status = acpi_install_address_space_handler(ec->handle, - ACPI_ADR_SPACE_EC, - &acpi_ec_space_handler, - NULL, ec); - if (ACPI_FAILURE(status)) { - if (status == AE_NOT_FOUND) { - /* - * Maybe OS fails in evaluating the _REG object. - * The AE_NOT_FOUND error will be ignored and OS - * continue to initialize EC. - */ - pr_err("Fail in evaluating the _REG object" - " of EC device. Broken bios is suspected.\n"); - } else { - acpi_ec_stop(ec, false); - acpi_remove_gpe_handler(NULL, ec->gpe, - &acpi_ec_gpe_handler); - return -ENODEV; + + if (!test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) { + status = acpi_install_address_space_handler(ec->handle, + ACPI_ADR_SPACE_EC, + &acpi_ec_space_handler, + NULL, ec); + if (ACPI_FAILURE(status)) { + if (status == AE_NOT_FOUND) { + /* + * Maybe OS fails in evaluating the _REG + * object. The AE_NOT_FOUND error will be + * ignored and OS * continue to initialize + * EC. + */ + pr_err("Fail in evaluating the _REG object" + " of EC device. Broken bios is suspected.\n"); + } else { + acpi_ec_stop(ec, false); + return -ENODEV; + } + } + set_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags); + } + + if (!test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) { + status = acpi_install_gpe_raw_handler(NULL, ec->gpe, + ACPI_GPE_EDGE_TRIGGERED, + &acpi_ec_gpe_handler, ec); + /* This is not fatal as we can poll EC events */ + if (ACPI_SUCCESS(status)) { + set_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags); + if (test_bit(EC_FLAGS_STARTED, &ec->flags) && + ec->reference_count >= 1) + acpi_ec_enable_gpe(ec, true); } } - set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags); return 0; } static void ec_remove_handlers(struct acpi_ec *ec) { - if (!test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags)) - return; acpi_ec_stop(ec, false); - if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle, - ACPI_ADR_SPACE_EC, &acpi_ec_space_handler))) - pr_err("failed to remove space handler\n"); - if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe, - &acpi_ec_gpe_handler))) - pr_err("failed to remove gpe handler\n"); - clear_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags); + + if (test_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags)) { + if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle, + ACPI_ADR_SPACE_EC, &acpi_ec_space_handler))) + pr_err("failed to remove space handler\n"); + clear_bit(EC_FLAGS_EC_HANDLER_INSTALLED, &ec->flags); + } + + if (test_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags)) { + if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe, + &acpi_ec_gpe_handler))) + pr_err("failed to remove gpe handler\n"); + clear_bit(EC_FLAGS_GPE_HANDLER_INSTALLED, &ec->flags); + } } static int acpi_ec_add(struct acpi_device *device) @@ -1344,11 +1357,12 @@ static int acpi_ec_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_EC_CLASS); /* Check for boot EC */ - if (boot_ec && - (boot_ec->handle == device->handle || - boot_ec->handle == ACPI_ROOT_OBJECT)) { + if (boot_ec) { ec = boot_ec; boot_ec = NULL; + ec_remove_handlers(ec); + if (first_ec == ec) + first_ec = NULL; } else { ec = make_acpi_ec(); if (!ec) @@ -1434,7 +1448,7 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context) int __init acpi_boot_ec_enable(void) { - if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags)) + if (!boot_ec) return 0; if (!ec_install_handlers(boot_ec)) { first_ec = boot_ec; @@ -1448,20 +1462,6 @@ static const struct acpi_device_id ec_device_ids[] = { {"", 0}, }; -/* Some BIOS do not survive early DSDT scan, skip it */ -static int ec_skip_dsdt_scan(const struct dmi_system_id *id) -{ - EC_FLAGS_SKIP_DSDT_SCAN = 1; - return 0; -} - -/* ASUStek often supplies us with broken ECDT, validate it */ -static int ec_validate_ecdt(const struct dmi_system_id *id) -{ - EC_FLAGS_VALIDATE_ECDT = 1; - return 0; -} - #if 0 /* * Some EC firmware variations refuses to respond QR_EC when SCI_EVT is not @@ -1503,30 +1503,29 @@ static int ec_clear_on_resume(const struct dmi_system_id *id) return 0; } +static int ec_correct_ecdt(const struct dmi_system_id *id) +{ + pr_debug("Detected system needing ECDT address correction.\n"); + EC_FLAGS_CORRECT_ECDT = 1; + return 0; +} + static struct dmi_system_id ec_dmi_table[] __initdata = { { - ec_skip_dsdt_scan, "Compal JFL92", { - DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), - DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL}, + ec_correct_ecdt, "Asus L4R", { + DMI_MATCH(DMI_BIOS_VERSION, "1008.006"), + DMI_MATCH(DMI_PRODUCT_NAME, "L4R"), + DMI_MATCH(DMI_BOARD_NAME, "L4R") }, NULL}, { - ec_validate_ecdt, "MSI MS-171F", { + ec_correct_ecdt, "Asus M6R", { + DMI_MATCH(DMI_BIOS_VERSION, "0207"), + DMI_MATCH(DMI_PRODUCT_NAME, "M6R"), + DMI_MATCH(DMI_BOARD_NAME, "M6R") }, NULL}, + { + ec_correct_ecdt, "MSI MS-171F", { DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star"), DMI_MATCH(DMI_PRODUCT_NAME, "MS-171F"),}, NULL}, { - ec_validate_ecdt, "ASUS hardware", { - DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL}, - { - ec_validate_ecdt, "ASUS hardware", { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL}, - { - ec_skip_dsdt_scan, "HP Folio 13", { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13"),}, NULL}, - { - ec_validate_ecdt, "ASUS hardware", { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL}, - { ec_clear_on_resume, "Samsung hardware", { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL}, {}, @@ -1534,8 +1533,8 @@ static struct dmi_system_id ec_dmi_table[] __initdata = { int __init acpi_ec_ecdt_probe(void) { + int ret = 0; acpi_status status; - struct acpi_ec *saved_ec = NULL; struct acpi_table_ecdt *ecdt_ptr; boot_ec = make_acpi_ec(); @@ -1547,67 +1546,45 @@ int __init acpi_ec_ecdt_probe(void) dmi_check_system(ec_dmi_table); status = acpi_get_table(ACPI_SIG_ECDT, 1, (struct acpi_table_header **)&ecdt_ptr); - if (ACPI_SUCCESS(status)) { - pr_info("EC description table is found, configuring boot EC\n"); - boot_ec->command_addr = ecdt_ptr->control.address; - boot_ec->data_addr = ecdt_ptr->data.address; - boot_ec->gpe = ecdt_ptr->gpe; - boot_ec->handle = ACPI_ROOT_OBJECT; - acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, - &boot_ec->handle); - /* Don't trust ECDT, which comes from ASUSTek */ - if (!EC_FLAGS_VALIDATE_ECDT) - goto install; - saved_ec = kmemdup(boot_ec, sizeof(struct acpi_ec), GFP_KERNEL); - if (!saved_ec) - return -ENOMEM; - /* fall through */ + if (ACPI_FAILURE(status)) { + ret = -ENODEV; + goto error; } - if (EC_FLAGS_SKIP_DSDT_SCAN) { - kfree(saved_ec); - return -ENODEV; + if (!ecdt_ptr->control.address || !ecdt_ptr->data.address) { + /* + * Asus X50GL: + * https://bugzilla.kernel.org/show_bug.cgi?id=11880 + */ + ret = -ENODEV; + goto error; } - /* This workaround is needed only on some broken machines, - * which require early EC, but fail to provide ECDT */ - pr_debug("Look up EC in DSDT\n"); - status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device, - boot_ec, NULL); - /* Check that acpi_get_devices actually find something */ - if (ACPI_FAILURE(status) || !boot_ec->handle) - goto error; - if (saved_ec) { - /* try to find good ECDT from ASUSTek */ - if (saved_ec->command_addr != boot_ec->command_addr || - saved_ec->data_addr != boot_ec->data_addr || - saved_ec->gpe != boot_ec->gpe || - saved_ec->handle != boot_ec->handle) - pr_info("ASUSTek keeps feeding us with broken " - "ECDT tables, which are very hard to workaround. " - "Trying to use DSDT EC info instead. Please send " - "output of acpidump to linux-acpi@vger.kernel.org\n"); - kfree(saved_ec); - saved_ec = NULL; + pr_info("EC description table is found, configuring boot EC\n"); + if (EC_FLAGS_CORRECT_ECDT) { + /* + * Asus L4R, Asus M6R + * https://bugzilla.kernel.org/show_bug.cgi?id=9399 + * MSI MS-171F + * https://bugzilla.kernel.org/show_bug.cgi?id=12461 + */ + boot_ec->command_addr = ecdt_ptr->data.address; + boot_ec->data_addr = ecdt_ptr->control.address; } else { - /* We really need to limit this workaround, the only ASUS, - * which needs it, has fake EC._INI method, so use it as flag. - * Keep boot_ec struct as it will be needed soon. - */ - if (!dmi_name_in_vendors("ASUS") || - !acpi_has_method(boot_ec->handle, "_INI")) - return -ENODEV; + boot_ec->command_addr = ecdt_ptr->control.address; + boot_ec->data_addr = ecdt_ptr->data.address; } -install: - if (!ec_install_handlers(boot_ec)) { + boot_ec->gpe = ecdt_ptr->gpe; + boot_ec->handle = ACPI_ROOT_OBJECT; + ret = ec_install_handlers(boot_ec); + if (!ret) first_ec = boot_ec; - return 0; - } error: - kfree(boot_ec); - kfree(saved_ec); - boot_ec = NULL; - return -ENODEV; + if (ret) { + kfree(boot_ec); + boot_ec = NULL; + } + return ret; } static int param_set_event_clearing(const char *val, struct kernel_param *kp) diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c new file mode 100644 index 000000000000..46f060356a22 --- /dev/null +++ b/drivers/acpi/evged.c @@ -0,0 +1,154 @@ +/* + * Generic Event Device for ACPI. + * + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Generic Event Device allows platforms to handle interrupts in ACPI + * ASL statements. It follows very similar to _EVT method approach + * from GPIO events. All interrupts are listed in _CRS and the handler + * is written in _EVT method. Here is an example. + * + * Device (GED0) + * { + * + * Name (_HID, "ACPI0013") + * Name (_UID, 0) + * Method (_CRS, 0x0, Serialized) + * { + * Name (RBUF, ResourceTemplate () + * { + * Interrupt(ResourceConsumer, Edge, ActiveHigh, Shared, , , ) + * {123} + * } + * }) + * + * Method (_EVT, 1) { + * if (Lequal(123, Arg0)) + * { + * } + * } + * } + * + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/platform_device.h> +#include <linux/acpi.h> + +#define MODULE_NAME "acpi-ged" + +struct acpi_ged_event { + struct list_head node; + struct device *dev; + unsigned int gsi; + unsigned int irq; + acpi_handle handle; +}; + +static irqreturn_t acpi_ged_irq_handler(int irq, void *data) +{ + struct acpi_ged_event *event = data; + acpi_status acpi_ret; + + acpi_ret = acpi_execute_simple_method(event->handle, NULL, event->gsi); + if (ACPI_FAILURE(acpi_ret)) + dev_err_once(event->dev, "IRQ method execution failed\n"); + + return IRQ_HANDLED; +} + +static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares, + void *context) +{ + struct acpi_ged_event *event; + unsigned int irq; + unsigned int gsi; + unsigned int irqflags = IRQF_ONESHOT; + struct device *dev = context; + acpi_handle handle = ACPI_HANDLE(dev); + acpi_handle evt_handle; + struct resource r; + struct acpi_resource_irq *p = &ares->data.irq; + struct acpi_resource_extended_irq *pext = &ares->data.extended_irq; + + if (ares->type == ACPI_RESOURCE_TYPE_END_TAG) + return AE_OK; + + if (!acpi_dev_resource_interrupt(ares, 0, &r)) { + dev_err(dev, "unable to parse IRQ resource\n"); + return AE_ERROR; + } + if (ares->type == ACPI_RESOURCE_TYPE_IRQ) + gsi = p->interrupts[0]; + else + gsi = pext->interrupts[0]; + + irq = r.start; + + if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) { + dev_err(dev, "cannot locate _EVT method\n"); + return AE_ERROR; + } + + dev_info(dev, "GED listening GSI %u @ IRQ %u\n", gsi, irq); + + event = devm_kzalloc(dev, sizeof(*event), GFP_KERNEL); + if (!event) + return AE_ERROR; + + event->gsi = gsi; + event->dev = dev; + event->irq = irq; + event->handle = evt_handle; + + if (r.flags & IORESOURCE_IRQ_SHAREABLE) + irqflags |= IRQF_SHARED; + + if (devm_request_threaded_irq(dev, irq, NULL, acpi_ged_irq_handler, + irqflags, "ACPI:Ged", event)) { + dev_err(dev, "failed to setup event handler for irq %u\n", irq); + return AE_ERROR; + } + + return AE_OK; +} + +static int ged_probe(struct platform_device *pdev) +{ + acpi_status acpi_ret; + + acpi_ret = acpi_walk_resources(ACPI_HANDLE(&pdev->dev), "_CRS", + acpi_ged_request_interrupt, &pdev->dev); + if (ACPI_FAILURE(acpi_ret)) { + dev_err(&pdev->dev, "unable to parse the _CRS record\n"); + return -EINVAL; + } + + return 0; +} + +static const struct acpi_device_id ged_acpi_ids[] = { + {"ACPI0013"}, + {}, +}; + +static struct platform_driver ged_driver = { + .probe = ged_probe, + .driver = { + .name = MODULE_NAME, + .acpi_match_table = ACPI_PTR(ged_acpi_ids), + }, +}; +builtin_platform_driver(ged_driver); diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 7c188472d9c2..9bb0773d39bf 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -20,7 +20,8 @@ #define PREFIX "ACPI: " -void acpi_initrd_initialize_tables(void); +int early_acpi_osi_init(void); +int acpi_osi_init(void); acpi_status acpi_os_initialize1(void); void init_acpi_device_notify(void); int acpi_scan_init(void); diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 72b6e9ef0ae9..d176e0ece470 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -327,10 +327,18 @@ int __init acpi_numa_init(void) /* SRAT: Static Resource Affinity Table */ if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) { - acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY, - acpi_parse_x2apic_affinity, 0); - acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, - acpi_parse_processor_affinity, 0); + struct acpi_subtable_proc srat_proc[2]; + + memset(srat_proc, 0, sizeof(srat_proc)); + srat_proc[0].id = ACPI_SRAT_TYPE_CPU_AFFINITY; + srat_proc[0].handler = acpi_parse_processor_affinity; + srat_proc[1].id = ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY; + srat_proc[1].handler = acpi_parse_x2apic_affinity; + + acpi_table_parse_entries_array(ACPI_SIG_SRAT, + sizeof(struct acpi_table_srat), + srat_proc, ARRAY_SIZE(srat_proc), 0); + cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS); diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c new file mode 100644 index 000000000000..849f9d2245ca --- /dev/null +++ b/drivers/acpi/osi.c @@ -0,0 +1,522 @@ +/* + * osi.c - _OSI implementation + * + * Copyright (C) 2016 Intel Corporation + * Author: Lv Zheng <lv.zheng@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +/* Uncomment next line to get verbose printout */ +/* #define DEBUG */ +#define pr_fmt(fmt) "ACPI: " fmt + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/acpi.h> +#include <linux/dmi.h> + +#include "internal.h" + + +#define OSI_STRING_LENGTH_MAX 64 +#define OSI_STRING_ENTRIES_MAX 16 + +struct acpi_osi_entry { + char string[OSI_STRING_LENGTH_MAX]; + bool enable; +}; + +static struct acpi_osi_config { + u8 default_disabling; + unsigned int linux_enable:1; + unsigned int linux_dmi:1; + unsigned int linux_cmdline:1; + unsigned int darwin_enable:1; + unsigned int darwin_dmi:1; + unsigned int darwin_cmdline:1; +} osi_config; + +static struct acpi_osi_config osi_config; +static struct acpi_osi_entry +osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { + {"Module Device", true}, + {"Processor Device", true}, + {"3.0 _SCP Extensions", true}, + {"Processor Aggregator Device", true}, +}; + +static u32 acpi_osi_handler(acpi_string interface, u32 supported) +{ + if (!strcmp("Linux", interface)) { + pr_notice_once(FW_BUG + "BIOS _OSI(Linux) query %s%s\n", + osi_config.linux_enable ? "honored" : "ignored", + osi_config.linux_cmdline ? " via cmdline" : + osi_config.linux_dmi ? " via DMI" : ""); + } + if (!strcmp("Darwin", interface)) { + pr_notice_once( + "BIOS _OSI(Darwin) query %s%s\n", + osi_config.darwin_enable ? "honored" : "ignored", + osi_config.darwin_cmdline ? " via cmdline" : + osi_config.darwin_dmi ? " via DMI" : ""); + } + + return supported; +} + +void __init acpi_osi_setup(char *str) +{ + struct acpi_osi_entry *osi; + bool enable = true; + int i; + + if (!acpi_gbl_create_osi_method) + return; + + if (str == NULL || *str == '\0') { + pr_info("_OSI method disabled\n"); + acpi_gbl_create_osi_method = FALSE; + return; + } + + if (*str == '!') { + str++; + if (*str == '\0') { + /* Do not override acpi_osi=!* */ + if (!osi_config.default_disabling) + osi_config.default_disabling = + ACPI_DISABLE_ALL_VENDOR_STRINGS; + return; + } else if (*str == '*') { + osi_config.default_disabling = ACPI_DISABLE_ALL_STRINGS; + for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { + osi = &osi_setup_entries[i]; + osi->enable = false; + } + return; + } else if (*str == '!') { + osi_config.default_disabling = 0; + return; + } + enable = false; + } + + for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { + osi = &osi_setup_entries[i]; + if (!strcmp(osi->string, str)) { + osi->enable = enable; + break; + } else if (osi->string[0] == '\0') { + osi->enable = enable; + strncpy(osi->string, str, OSI_STRING_LENGTH_MAX); + break; + } + } +} + +static void __init __acpi_osi_setup_darwin(bool enable) +{ + osi_config.darwin_enable = !!enable; + if (enable) { + acpi_osi_setup("!"); + acpi_osi_setup("Darwin"); + } else { + acpi_osi_setup("!!"); + acpi_osi_setup("!Darwin"); + } +} + +static void __init acpi_osi_setup_darwin(bool enable) +{ + /* Override acpi_osi_dmi_blacklisted() */ + osi_config.darwin_dmi = 0; + osi_config.darwin_cmdline = 1; + __acpi_osi_setup_darwin(enable); +} + +/* + * The story of _OSI(Linux) + * + * From pre-history through Linux-2.6.22, Linux responded TRUE upon a BIOS + * OSI(Linux) query. + * + * Unfortunately, reference BIOS writers got wind of this and put + * OSI(Linux) in their example code, quickly exposing this string as + * ill-conceived and opening the door to an un-bounded number of BIOS + * incompatibilities. + * + * For example, OSI(Linux) was used on resume to re-POST a video card on + * one system, because Linux at that time could not do a speedy restore in + * its native driver. But then upon gaining quick native restore + * capability, Linux has no way to tell the BIOS to skip the time-consuming + * POST -- putting Linux at a permanent performance disadvantage. On + * another system, the BIOS writer used OSI(Linux) to infer native OS + * support for IPMI! On other systems, OSI(Linux) simply got in the way of + * Linux claiming to be compatible with other operating systems, exposing + * BIOS issues such as skipped device initialization. + * + * So "Linux" turned out to be a really poor chose of OSI string, and from + * Linux-2.6.23 onward we respond FALSE. + * + * BIOS writers should NOT query _OSI(Linux) on future systems. Linux will + * complain on the console when it sees it, and return FALSE. To get Linux + * to return TRUE for your system will require a kernel source update to + * add a DMI entry, or boot with "acpi_osi=Linux" + */ +static void __init __acpi_osi_setup_linux(bool enable) +{ + osi_config.linux_enable = !!enable; + if (enable) + acpi_osi_setup("Linux"); + else + acpi_osi_setup("!Linux"); +} + +static void __init acpi_osi_setup_linux(bool enable) +{ + /* Override acpi_osi_dmi_blacklisted() */ + osi_config.linux_dmi = 0; + osi_config.linux_cmdline = 1; + __acpi_osi_setup_linux(enable); +} + +/* + * Modify the list of "OS Interfaces" reported to BIOS via _OSI + * + * empty string disables _OSI + * string starting with '!' disables that string + * otherwise string is added to list, augmenting built-in strings + */ +static void __init acpi_osi_setup_late(void) +{ + struct acpi_osi_entry *osi; + char *str; + int i; + acpi_status status; + + if (osi_config.default_disabling) { + status = acpi_update_interfaces(osi_config.default_disabling); + if (ACPI_SUCCESS(status)) + pr_info("Disabled all _OSI OS vendors%s\n", + osi_config.default_disabling == + ACPI_DISABLE_ALL_STRINGS ? + " and feature groups" : ""); + } + + for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { + osi = &osi_setup_entries[i]; + str = osi->string; + if (*str == '\0') + break; + if (osi->enable) { + status = acpi_install_interface(str); + if (ACPI_SUCCESS(status)) + pr_info("Added _OSI(%s)\n", str); + } else { + status = acpi_remove_interface(str); + if (ACPI_SUCCESS(status)) + pr_info("Deleted _OSI(%s)\n", str); + } + } +} + +static int __init osi_setup(char *str) +{ + if (str && !strcmp("Linux", str)) + acpi_osi_setup_linux(true); + else if (str && !strcmp("!Linux", str)) + acpi_osi_setup_linux(false); + else if (str && !strcmp("Darwin", str)) + acpi_osi_setup_darwin(true); + else if (str && !strcmp("!Darwin", str)) + acpi_osi_setup_darwin(false); + else + acpi_osi_setup(str); + + return 1; +} +__setup("acpi_osi=", osi_setup); + +bool acpi_osi_is_win8(void) +{ + return acpi_gbl_osi_data >= ACPI_OSI_WIN_8; +} +EXPORT_SYMBOL(acpi_osi_is_win8); + +static void __init acpi_osi_dmi_darwin(bool enable, + const struct dmi_system_id *d) +{ + pr_notice("DMI detected to setup _OSI(\"Darwin\"): %s\n", d->ident); + osi_config.darwin_dmi = 1; + __acpi_osi_setup_darwin(enable); +} + +void __init acpi_osi_dmi_linux(bool enable, const struct dmi_system_id *d) +{ + pr_notice("DMI detected to setup _OSI(\"Linux\"): %s\n", d->ident); + osi_config.linux_dmi = 1; + __acpi_osi_setup_linux(enable); +} + +static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d) +{ + acpi_osi_dmi_darwin(true, d); + + return 0; +} + +static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) +{ + acpi_osi_dmi_linux(true, d); + + return 0; +} + +static int __init dmi_disable_osi_vista(const struct dmi_system_id *d) +{ + pr_notice("DMI detected: %s\n", d->ident); + acpi_osi_setup("!Windows 2006"); + acpi_osi_setup("!Windows 2006 SP1"); + acpi_osi_setup("!Windows 2006 SP2"); + + return 0; +} + +static int __init dmi_disable_osi_win7(const struct dmi_system_id *d) +{ + pr_notice("DMI detected: %s\n", d->ident); + acpi_osi_setup("!Windows 2009"); + + return 0; +} + +static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) +{ + pr_notice("DMI detected: %s\n", d->ident); + acpi_osi_setup("!Windows 2012"); + + return 0; +} + +/* + * Linux default _OSI response behavior is determined by this DMI table. + * + * Note that _OSI("Linux")/_OSI("Darwin") determined here can be overridden + * by acpi_osi=!Linux/acpi_osi=!Darwin command line options. + */ +static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { + { + .callback = dmi_disable_osi_vista, + .ident = "Fujitsu Siemens", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), + }, + }, + { + /* + * There have a NVIF method in MSI GX723 DSDT need call by Nvidia + * driver (e.g. nouveau) when user press brightness hotkey. + * Currently, nouveau driver didn't do the job and it causes there + * have a infinite while loop in DSDT when user press hotkey. + * We add MSI GX723's dmi information to this table for workaround + * this issue. + * Will remove MSI GX723 from the table after nouveau grows support. + */ + .callback = dmi_disable_osi_vista, + .ident = "MSI GX723", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX723"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "Sony VGN-NS10J_S", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "Sony VGN-SR290J", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "VGN-NS50B_L", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS50B_L"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "VGN-SR19XN", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR19XN"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "Toshiba Satellite L355", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"), + }, + }, + { + .callback = dmi_disable_osi_win7, + .ident = "ASUS K50IJ", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "Toshiba P305D", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"), + }, + }, + { + .callback = dmi_disable_osi_vista, + .ident = "Toshiba NB100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "NB100"), + }, + }, + + /* + * The wireless hotkey does not work on those machines when + * returning true for _OSI("Windows 2012") + */ + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Inspiron 7737", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"), + }, + }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Inspiron 7537", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"), + }, + }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Inspiron 5437", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5437"), + }, + }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Inspiron 3437", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 3437"), + }, + }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Vostro 3446", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"), + }, + }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Vostro 3546", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"), + }, + }, + + /* + * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. + * Linux ignores it, except for the machines enumerated below. + */ + + /* + * Without this this EEEpc exports a non working WMI interface, with + * this it exports a working "good old" eeepc_laptop interface, fixing + * both brightness control, and rfkill not working. + */ + { + .callback = dmi_enable_osi_linux, + .ident = "Asus EEE PC 1015PX", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), + }, + }, + + /* + * Enable _OSI("Darwin") for all apple platforms. + */ + { + .callback = dmi_enable_osi_darwin, + .ident = "Apple hardware", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + }, + }, + { + .callback = dmi_enable_osi_darwin, + .ident = "Apple hardware", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."), + }, + }, + {} +}; + +static __init void acpi_osi_dmi_blacklisted(void) +{ + dmi_check_system(acpi_osi_dmi_table); +} + +int __init early_acpi_osi_init(void) +{ + acpi_osi_dmi_blacklisted(); + + return 0; +} + +int __init acpi_osi_init(void) +{ + acpi_install_interface_handler(acpi_osi_handler); + acpi_osi_setup_late(); + + return 0; +} diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 814d5f83b75e..b108f1358a32 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -56,10 +56,6 @@ struct acpi_os_dpc { struct work_struct work; }; -#ifdef CONFIG_ACPI_CUSTOM_DSDT -#include CONFIG_ACPI_CUSTOM_DSDT_FILE -#endif - #ifdef ENABLE_DEBUGGER #include <linux/kdb.h> @@ -96,72 +92,6 @@ struct acpi_ioremap { static LIST_HEAD(acpi_ioremaps); static DEFINE_MUTEX(acpi_ioremap_lock); -static void __init acpi_osi_setup_late(void); - -/* - * The story of _OSI(Linux) - * - * From pre-history through Linux-2.6.22, - * Linux responded TRUE upon a BIOS OSI(Linux) query. - * - * Unfortunately, reference BIOS writers got wind of this - * and put OSI(Linux) in their example code, quickly exposing - * this string as ill-conceived and opening the door to - * an un-bounded number of BIOS incompatibilities. - * - * For example, OSI(Linux) was used on resume to re-POST a - * video card on one system, because Linux at that time - * could not do a speedy restore in its native driver. - * But then upon gaining quick native restore capability, - * Linux has no way to tell the BIOS to skip the time-consuming - * POST -- putting Linux at a permanent performance disadvantage. - * On another system, the BIOS writer used OSI(Linux) - * to infer native OS support for IPMI! On other systems, - * OSI(Linux) simply got in the way of Linux claiming to - * be compatible with other operating systems, exposing - * BIOS issues such as skipped device initialization. - * - * So "Linux" turned out to be a really poor chose of - * OSI string, and from Linux-2.6.23 onward we respond FALSE. - * - * BIOS writers should NOT query _OSI(Linux) on future systems. - * Linux will complain on the console when it sees it, and return FALSE. - * To get Linux to return TRUE for your system will require - * a kernel source update to add a DMI entry, - * or boot with "acpi_osi=Linux" - */ - -static struct osi_linux { - unsigned int enable:1; - unsigned int dmi:1; - unsigned int cmdline:1; - unsigned int default_disabling:1; -} osi_linux = {0, 0, 0, 0}; - -static u32 acpi_osi_handler(acpi_string interface, u32 supported) -{ - if (!strcmp("Linux", interface)) { - - printk_once(KERN_NOTICE FW_BUG PREFIX - "BIOS _OSI(Linux) query %s%s\n", - osi_linux.enable ? "honored" : "ignored", - osi_linux.cmdline ? " via cmdline" : - osi_linux.dmi ? " via DMI" : ""); - } - - if (!strcmp("Darwin", interface)) { - /* - * Apple firmware will behave poorly if it receives positive - * answers to "Darwin" and any other OS. Respond positively - * to Darwin and then disable all other vendor strings. - */ - acpi_update_interfaces(ACPI_DISABLE_ALL_VENDOR_STRINGS); - supported = ACPI_UINT32_MAX; - } - - return supported; -} - static void __init acpi_request_region (struct acpi_generic_address *gas, unsigned int length, char *desc) { @@ -582,7 +512,7 @@ static char acpi_os_name[ACPI_MAX_OVERRIDE_LEN]; acpi_status acpi_os_predefined_override(const struct acpi_predefined_names *init_val, - char **new_val) + acpi_string *new_val) { if (!init_val || !new_val) return AE_BAD_PARAMETER; @@ -602,280 +532,6 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val, return AE_OK; } -static void acpi_table_taint(struct acpi_table_header *table) -{ - pr_warn(PREFIX - "Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n", - table->signature, table->oem_table_id); - add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); -} - -#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE -#include <linux/earlycpio.h> -#include <linux/memblock.h> - -static u64 acpi_tables_addr; -static int all_tables_size; - -/* Copied from acpica/tbutils.c:acpi_tb_checksum() */ -static u8 __init acpi_table_checksum(u8 *buffer, u32 length) -{ - u8 sum = 0; - u8 *end = buffer + length; - - while (buffer < end) - sum = (u8) (sum + *(buffer++)); - return sum; -} - -/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */ -static const char * const table_sigs[] = { - ACPI_SIG_BERT, ACPI_SIG_CPEP, ACPI_SIG_ECDT, ACPI_SIG_EINJ, - ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT, ACPI_SIG_MSCT, - ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT, ACPI_SIG_ASF, - ACPI_SIG_BOOT, ACPI_SIG_DBGP, ACPI_SIG_DMAR, ACPI_SIG_HPET, - ACPI_SIG_IBFT, ACPI_SIG_IVRS, ACPI_SIG_MCFG, ACPI_SIG_MCHI, - ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA, - ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT, - ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT, - ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL }; - -#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header) - -#define ACPI_OVERRIDE_TABLES 64 -static struct cpio_data __initdata acpi_initrd_files[ACPI_OVERRIDE_TABLES]; -static DECLARE_BITMAP(acpi_initrd_installed, ACPI_OVERRIDE_TABLES); - -#define MAP_CHUNK_SIZE (NR_FIX_BTMAPS << PAGE_SHIFT) - -void __init acpi_initrd_override(void *data, size_t size) -{ - int sig, no, table_nr = 0, total_offset = 0; - long offset = 0; - struct acpi_table_header *table; - char cpio_path[32] = "kernel/firmware/acpi/"; - struct cpio_data file; - - if (data == NULL || size == 0) - return; - - for (no = 0; no < ACPI_OVERRIDE_TABLES; no++) { - file = find_cpio_data(cpio_path, data, size, &offset); - if (!file.data) - break; - - data += offset; - size -= offset; - - if (file.size < sizeof(struct acpi_table_header)) { - pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n", - cpio_path, file.name); - continue; - } - - table = file.data; - - for (sig = 0; table_sigs[sig]; sig++) - if (!memcmp(table->signature, table_sigs[sig], 4)) - break; - - if (!table_sigs[sig]) { - pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n", - cpio_path, file.name); - continue; - } - if (file.size != table->length) { - pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n", - cpio_path, file.name); - continue; - } - if (acpi_table_checksum(file.data, table->length)) { - pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n", - cpio_path, file.name); - continue; - } - - pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n", - table->signature, cpio_path, file.name, table->length); - - all_tables_size += table->length; - acpi_initrd_files[table_nr].data = file.data; - acpi_initrd_files[table_nr].size = file.size; - table_nr++; - } - if (table_nr == 0) - return; - - acpi_tables_addr = - memblock_find_in_range(0, max_low_pfn_mapped << PAGE_SHIFT, - all_tables_size, PAGE_SIZE); - if (!acpi_tables_addr) { - WARN_ON(1); - return; - } - /* - * Only calling e820_add_reserve does not work and the - * tables are invalid (memory got used) later. - * memblock_reserve works as expected and the tables won't get modified. - * But it's not enough on X86 because ioremap will - * complain later (used by acpi_os_map_memory) that the pages - * that should get mapped are not marked "reserved". - * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area) - * works fine. - */ - memblock_reserve(acpi_tables_addr, all_tables_size); - arch_reserve_mem_area(acpi_tables_addr, all_tables_size); - - /* - * early_ioremap only can remap 256k one time. If we map all - * tables one time, we will hit the limit. Need to map chunks - * one by one during copying the same as that in relocate_initrd(). - */ - for (no = 0; no < table_nr; no++) { - unsigned char *src_p = acpi_initrd_files[no].data; - phys_addr_t size = acpi_initrd_files[no].size; - phys_addr_t dest_addr = acpi_tables_addr + total_offset; - phys_addr_t slop, clen; - char *dest_p; - - total_offset += size; - - while (size) { - slop = dest_addr & ~PAGE_MASK; - clen = size; - if (clen > MAP_CHUNK_SIZE - slop) - clen = MAP_CHUNK_SIZE - slop; - dest_p = early_ioremap(dest_addr & PAGE_MASK, - clen + slop); - memcpy(dest_p + slop, src_p, clen); - early_iounmap(dest_p, clen + slop); - src_p += clen; - dest_addr += clen; - size -= clen; - } - } -} - -acpi_status -acpi_os_physical_table_override(struct acpi_table_header *existing_table, - acpi_physical_address *address, u32 *length) -{ - int table_offset = 0; - int table_index = 0; - struct acpi_table_header *table; - u32 table_length; - - *length = 0; - *address = 0; - if (!acpi_tables_addr) - return AE_OK; - - while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { - table = acpi_os_map_memory(acpi_tables_addr + table_offset, - ACPI_HEADER_SIZE); - if (table_offset + table->length > all_tables_size) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - WARN_ON(1); - return AE_OK; - } - - table_length = table->length; - - /* Only override tables matched */ - if (test_bit(table_index, acpi_initrd_installed) || - memcmp(existing_table->signature, table->signature, 4) || - memcmp(table->oem_table_id, existing_table->oem_table_id, - ACPI_OEM_TABLE_ID_SIZE)) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - goto next_table; - } - - *length = table_length; - *address = acpi_tables_addr + table_offset; - acpi_table_taint(existing_table); - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - set_bit(table_index, acpi_initrd_installed); - break; - -next_table: - table_offset += table_length; - table_index++; - } - return AE_OK; -} - -void __init acpi_initrd_initialize_tables(void) -{ - int table_offset = 0; - int table_index = 0; - u32 table_length; - struct acpi_table_header *table; - - if (!acpi_tables_addr) - return; - - while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { - table = acpi_os_map_memory(acpi_tables_addr + table_offset, - ACPI_HEADER_SIZE); - if (table_offset + table->length > all_tables_size) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - WARN_ON(1); - return; - } - - table_length = table->length; - - /* Skip RSDT/XSDT which should only be used for override */ - if (test_bit(table_index, acpi_initrd_installed) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) { - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - goto next_table; - } - - acpi_table_taint(table); - acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); - acpi_install_table(acpi_tables_addr + table_offset, TRUE); - set_bit(table_index, acpi_initrd_installed); -next_table: - table_offset += table_length; - table_index++; - } -} -#else -acpi_status -acpi_os_physical_table_override(struct acpi_table_header *existing_table, - acpi_physical_address *address, - u32 *table_length) -{ - *table_length = 0; - *address = 0; - return AE_OK; -} - -void __init acpi_initrd_initialize_tables(void) -{ -} -#endif /* CONFIG_ACPI_INITRD_TABLE_OVERRIDE */ - -acpi_status -acpi_os_table_override(struct acpi_table_header *existing_table, - struct acpi_table_header **new_table) -{ - if (!existing_table || !new_table) - return AE_BAD_PARAMETER; - - *new_table = NULL; - -#ifdef CONFIG_ACPI_CUSTOM_DSDT - if (strncmp(existing_table->signature, "DSDT", 4) == 0) - *new_table = (struct acpi_table_header *)AmlCode; -#endif - if (*new_table != NULL) - acpi_table_taint(existing_table); - return AE_OK; -} - static irqreturn_t acpi_irq(int irq, void *dev_id) { u32 handled; @@ -1717,156 +1373,6 @@ static int __init acpi_os_name_setup(char *str) __setup("acpi_os_name=", acpi_os_name_setup); -#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ -#define OSI_STRING_ENTRIES_MAX 16 /* arbitrary */ - -struct osi_setup_entry { - char string[OSI_STRING_LENGTH_MAX]; - bool enable; -}; - -static struct osi_setup_entry - osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { - {"Module Device", true}, - {"Processor Device", true}, - {"3.0 _SCP Extensions", true}, - {"Processor Aggregator Device", true}, -}; - -void __init acpi_osi_setup(char *str) -{ - struct osi_setup_entry *osi; - bool enable = true; - int i; - - if (!acpi_gbl_create_osi_method) - return; - - if (str == NULL || *str == '\0') { - printk(KERN_INFO PREFIX "_OSI method disabled\n"); - acpi_gbl_create_osi_method = FALSE; - return; - } - - if (*str == '!') { - str++; - if (*str == '\0') { - osi_linux.default_disabling = 1; - return; - } else if (*str == '*') { - acpi_update_interfaces(ACPI_DISABLE_ALL_STRINGS); - for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { - osi = &osi_setup_entries[i]; - osi->enable = false; - } - return; - } - enable = false; - } - - for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { - osi = &osi_setup_entries[i]; - if (!strcmp(osi->string, str)) { - osi->enable = enable; - break; - } else if (osi->string[0] == '\0') { - osi->enable = enable; - strncpy(osi->string, str, OSI_STRING_LENGTH_MAX); - break; - } - } -} - -static void __init set_osi_linux(unsigned int enable) -{ - if (osi_linux.enable != enable) - osi_linux.enable = enable; - - if (osi_linux.enable) - acpi_osi_setup("Linux"); - else - acpi_osi_setup("!Linux"); - - return; -} - -static void __init acpi_cmdline_osi_linux(unsigned int enable) -{ - osi_linux.cmdline = 1; /* cmdline set the default and override DMI */ - osi_linux.dmi = 0; - set_osi_linux(enable); - - return; -} - -void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d) -{ - printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); - - if (enable == -1) - return; - - osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */ - set_osi_linux(enable); - - return; -} - -/* - * Modify the list of "OS Interfaces" reported to BIOS via _OSI - * - * empty string disables _OSI - * string starting with '!' disables that string - * otherwise string is added to list, augmenting built-in strings - */ -static void __init acpi_osi_setup_late(void) -{ - struct osi_setup_entry *osi; - char *str; - int i; - acpi_status status; - - if (osi_linux.default_disabling) { - status = acpi_update_interfaces(ACPI_DISABLE_ALL_VENDOR_STRINGS); - - if (ACPI_SUCCESS(status)) - printk(KERN_INFO PREFIX "Disabled all _OSI OS vendors\n"); - } - - for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { - osi = &osi_setup_entries[i]; - str = osi->string; - - if (*str == '\0') - break; - if (osi->enable) { - status = acpi_install_interface(str); - - if (ACPI_SUCCESS(status)) - printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str); - } else { - status = acpi_remove_interface(str); - - if (ACPI_SUCCESS(status)) - printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str); - } - } -} - -static int __init osi_setup(char *str) -{ - if (str && !strcmp("Linux", str)) - acpi_cmdline_osi_linux(1); - else if (str && !strcmp("!Linux", str)) - acpi_cmdline_osi_linux(0); - else - acpi_osi_setup(str); - - return 1; -} - -__setup("acpi_osi=", osi_setup); - /* * Disable the auto-serialization of named objects creation methods. * @@ -1986,12 +1492,6 @@ int acpi_resources_are_enforced(void) } EXPORT_SYMBOL(acpi_resources_are_enforced); -bool acpi_osi_is_win8(void) -{ - return acpi_gbl_osi_data >= ACPI_OSI_WIN_8; -} -EXPORT_SYMBOL(acpi_osi_is_win8); - /* * Deallocate the memory for a spinlock. */ @@ -2157,8 +1657,7 @@ acpi_status __init acpi_os_initialize1(void) BUG_ON(!kacpid_wq); BUG_ON(!kacpi_notify_wq); BUG_ON(!kacpi_hotplug_wq); - acpi_install_interface_handler(acpi_osi_handler); - acpi_osi_setup_late(); + acpi_osi_init(); return AE_OK; } diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index ededa909df2f..8fc7323ed3e8 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -36,6 +36,7 @@ #include <linux/mutex.h> #include <linux/slab.h> #include <linux/acpi.h> +#include <linux/irq.h> #include "internal.h" @@ -437,17 +438,15 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) * enabled system. */ -#define ACPI_MAX_IRQS 256 -#define ACPI_MAX_ISA_IRQ 16 +#define ACPI_MAX_ISA_IRQS 16 -#define PIRQ_PENALTY_PCI_AVAILABLE (0) #define PIRQ_PENALTY_PCI_POSSIBLE (16*16) #define PIRQ_PENALTY_PCI_USING (16*16*16) #define PIRQ_PENALTY_ISA_TYPICAL (16*16*16*16) #define PIRQ_PENALTY_ISA_USED (16*16*16*16*16) #define PIRQ_PENALTY_ISA_ALWAYS (16*16*16*16*16*16) -static int acpi_irq_penalty[ACPI_MAX_IRQS] = { +static int acpi_isa_irq_penalty[ACPI_MAX_ISA_IRQS] = { PIRQ_PENALTY_ISA_ALWAYS, /* IRQ0 timer */ PIRQ_PENALTY_ISA_ALWAYS, /* IRQ1 keyboard */ PIRQ_PENALTY_ISA_ALWAYS, /* IRQ2 cascade */ @@ -457,9 +456,9 @@ static int acpi_irq_penalty[ACPI_MAX_IRQS] = { PIRQ_PENALTY_ISA_TYPICAL, /* IRQ6 */ PIRQ_PENALTY_ISA_TYPICAL, /* IRQ7 parallel, spurious */ PIRQ_PENALTY_ISA_TYPICAL, /* IRQ8 rtc, sometimes */ - PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ9 PCI, often acpi */ - PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ10 PCI */ - PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ11 PCI */ + 0, /* IRQ9 PCI, often acpi */ + 0, /* IRQ10 PCI */ + 0, /* IRQ11 PCI */ PIRQ_PENALTY_ISA_USED, /* IRQ12 mouse */ PIRQ_PENALTY_ISA_USED, /* IRQ13 fpe, sometimes */ PIRQ_PENALTY_ISA_USED, /* IRQ14 ide0 */ @@ -467,39 +466,58 @@ static int acpi_irq_penalty[ACPI_MAX_IRQS] = { /* >IRQ15 */ }; -int __init acpi_irq_penalty_init(void) +static int acpi_irq_pci_sharing_penalty(int irq) { struct acpi_pci_link *link; - int i; + int penalty = 0; - /* - * Update penalties to facilitate IRQ balancing. - */ list_for_each_entry(link, &acpi_link_list, list) { - /* - * reflect the possible and active irqs in the penalty table -- - * useful for breaking ties. + * If a link is active, penalize its IRQ heavily + * so we try to choose a different IRQ. */ - if (link->irq.possible_count) { - int penalty = - PIRQ_PENALTY_PCI_POSSIBLE / - link->irq.possible_count; - - for (i = 0; i < link->irq.possible_count; i++) { - if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ) - acpi_irq_penalty[link->irq. - possible[i]] += - penalty; - } - - } else if (link->irq.active) { - acpi_irq_penalty[link->irq.active] += - PIRQ_PENALTY_PCI_POSSIBLE; + if (link->irq.active && link->irq.active == irq) + penalty += PIRQ_PENALTY_PCI_USING; + else { + int i; + + /* + * If a link is inactive, penalize the IRQs it + * might use, but not as severely. + */ + for (i = 0; i < link->irq.possible_count; i++) + if (link->irq.possible[i] == irq) + penalty += PIRQ_PENALTY_PCI_POSSIBLE / + link->irq.possible_count; } } - return 0; + return penalty; +} + +static int acpi_irq_get_penalty(int irq) +{ + int penalty = 0; + + if (irq < ACPI_MAX_ISA_IRQS) + penalty += acpi_isa_irq_penalty[irq]; + + /* + * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict + * with PCI IRQ attributes, mark ACPI SCI as ISA_ALWAYS so it won't be + * use for PCI IRQs. + */ + if (irq == acpi_gbl_FADT.sci_interrupt) { + u32 type = irq_get_trigger_type(irq) & IRQ_TYPE_SENSE_MASK; + + if (type != IRQ_TYPE_LEVEL_LOW) + penalty += PIRQ_PENALTY_ISA_ALWAYS; + else + penalty += PIRQ_PENALTY_PCI_USING; + } + + penalty += acpi_irq_pci_sharing_penalty(irq); + return penalty; } static int acpi_irq_balance = -1; /* 0: static, 1: balance */ @@ -547,12 +565,12 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) * the use of IRQs 9, 10, 11, and >15. */ for (i = (link->irq.possible_count - 1); i >= 0; i--) { - if (acpi_irq_penalty[irq] > - acpi_irq_penalty[link->irq.possible[i]]) + if (acpi_irq_get_penalty(irq) > + acpi_irq_get_penalty(link->irq.possible[i])) irq = link->irq.possible[i]; } } - if (acpi_irq_penalty[irq] >= PIRQ_PENALTY_ISA_ALWAYS) { + if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) { printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. " "Try pci=noacpi or acpi=off\n", acpi_device_name(link->device), @@ -568,7 +586,6 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) acpi_device_bid(link->device)); return -ENODEV; } else { - acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n", acpi_device_name(link->device), acpi_device_bid(link->device), link->irq.active); @@ -778,7 +795,7 @@ static void acpi_pci_link_remove(struct acpi_device *device) } /* - * modify acpi_irq_penalty[] from cmdline + * modify acpi_isa_irq_penalty[] from cmdline */ static int __init acpi_irq_penalty_update(char *str, int used) { @@ -787,23 +804,24 @@ static int __init acpi_irq_penalty_update(char *str, int used) for (i = 0; i < 16; i++) { int retval; int irq; + int new_penalty; retval = get_option(&str, &irq); if (!retval) break; /* no number found */ - if (irq < 0) - continue; - - if (irq >= ARRAY_SIZE(acpi_irq_penalty)) + /* see if this is a ISA IRQ */ + if ((irq < 0) || (irq >= ACPI_MAX_ISA_IRQS)) continue; if (used) - acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; + new_penalty = acpi_irq_get_penalty(irq) + + PIRQ_PENALTY_ISA_USED; else - acpi_irq_penalty[irq] = PIRQ_PENALTY_PCI_AVAILABLE; + new_penalty = 0; + acpi_isa_irq_penalty[irq] = new_penalty; if (retval != 2) /* no next number */ break; } @@ -819,34 +837,15 @@ static int __init acpi_irq_penalty_update(char *str, int used) */ void acpi_penalize_isa_irq(int irq, int active) { - if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { - if (active) - acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; - else - acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; - } + if ((irq >= 0) && (irq < ARRAY_SIZE(acpi_isa_irq_penalty))) + acpi_isa_irq_penalty[irq] = acpi_irq_get_penalty(irq) + + active ? PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING; } bool acpi_isa_irq_available(int irq) { - return irq >= 0 && (irq >= ARRAY_SIZE(acpi_irq_penalty) || - acpi_irq_penalty[irq] < PIRQ_PENALTY_ISA_ALWAYS); -} - -/* - * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict with - * PCI IRQ attributes, mark ACPI SCI as ISA_ALWAYS so it won't be use for - * PCI IRQs. - */ -void acpi_penalize_sci_irq(int irq, int trigger, int polarity) -{ - if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { - if (trigger != ACPI_MADT_TRIGGER_LEVEL || - polarity != ACPI_MADT_POLARITY_ACTIVE_LOW) - acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_ALWAYS; - else - acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; - } + return irq >= 0 && (irq >= ARRAY_SIZE(acpi_isa_irq_penalty) || + acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS); } /* diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 2a8b59644297..7a2e4d45b266 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -26,6 +26,11 @@ #include "internal.h" #include "sleep.h" +/* + * Some HW-full platforms do not have _S5, so they may need + * to leverage efi power off for a shutdown. + */ +bool acpi_no_s5; static u8 sleep_states[ACPI_S_STATE_COUNT]; static void acpi_sleep_tts_switch(u32 acpi_state) @@ -882,6 +887,8 @@ int __init acpi_sleep_init(void) sleep_states[ACPI_STATE_S5] = 1; pm_power_off_prepare = acpi_power_off_prepare; pm_power_off = acpi_power_off; + } else { + acpi_no_s5 = true; } supported[0] = 0; diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 0243d375c6fd..4b3a9e27f1b6 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -555,23 +555,22 @@ static void acpi_global_event_handler(u32 event_type, acpi_handle device, static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle) { - int result = 0; + int result; if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS) - goto end; + return -EINVAL; if (index < num_gpes) { result = acpi_get_gpe_device(index, handle); if (result) { ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND, "Invalid GPE 0x%x", index)); - goto end; + return result; } result = acpi_get_gpe_status(*handle, index, status); } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS)) result = acpi_get_event_status(index - num_gpes, status); -end: return result; } diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index f49c02442d65..a372f9eaa15d 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -32,8 +32,14 @@ #include <linux/errno.h> #include <linux/acpi.h> #include <linux/bootmem.h> +#include <linux/earlycpio.h> +#include <linux/memblock.h> #include "internal.h" +#ifdef CONFIG_ACPI_CUSTOM_DSDT +#include CONFIG_ACPI_CUSTOM_DSDT_FILE +#endif + #define ACPI_MAX_TABLES 128 static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" }; @@ -433,6 +439,314 @@ static void __init check_multiple_madt(void) return; } +static void acpi_table_taint(struct acpi_table_header *table) +{ + pr_warn("Override [%4.4s-%8.8s], this is unsafe: tainting kernel\n", + table->signature, table->oem_table_id); + add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); +} + +#ifdef CONFIG_ACPI_TABLE_UPGRADE +static u64 acpi_tables_addr; +static int all_tables_size; + +/* Copied from acpica/tbutils.c:acpi_tb_checksum() */ +static u8 __init acpi_table_checksum(u8 *buffer, u32 length) +{ + u8 sum = 0; + u8 *end = buffer + length; + + while (buffer < end) + sum = (u8) (sum + *(buffer++)); + return sum; +} + +/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */ +static const char * const table_sigs[] = { + ACPI_SIG_BERT, ACPI_SIG_CPEP, ACPI_SIG_ECDT, ACPI_SIG_EINJ, + ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT, ACPI_SIG_MSCT, + ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT, ACPI_SIG_ASF, + ACPI_SIG_BOOT, ACPI_SIG_DBGP, ACPI_SIG_DMAR, ACPI_SIG_HPET, + ACPI_SIG_IBFT, ACPI_SIG_IVRS, ACPI_SIG_MCFG, ACPI_SIG_MCHI, + ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA, + ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT, + ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT, + ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL }; + +#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header) + +#define NR_ACPI_INITRD_TABLES 64 +static struct cpio_data __initdata acpi_initrd_files[NR_ACPI_INITRD_TABLES]; +static DECLARE_BITMAP(acpi_initrd_installed, NR_ACPI_INITRD_TABLES); + +#define MAP_CHUNK_SIZE (NR_FIX_BTMAPS << PAGE_SHIFT) + +static void __init acpi_table_initrd_init(void *data, size_t size) +{ + int sig, no, table_nr = 0, total_offset = 0; + long offset = 0; + struct acpi_table_header *table; + char cpio_path[32] = "kernel/firmware/acpi/"; + struct cpio_data file; + + if (data == NULL || size == 0) + return; + + for (no = 0; no < NR_ACPI_INITRD_TABLES; no++) { + file = find_cpio_data(cpio_path, data, size, &offset); + if (!file.data) + break; + + data += offset; + size -= offset; + + if (file.size < sizeof(struct acpi_table_header)) { + pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n", + cpio_path, file.name); + continue; + } + + table = file.data; + + for (sig = 0; table_sigs[sig]; sig++) + if (!memcmp(table->signature, table_sigs[sig], 4)) + break; + + if (!table_sigs[sig]) { + pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n", + cpio_path, file.name); + continue; + } + if (file.size != table->length) { + pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n", + cpio_path, file.name); + continue; + } + if (acpi_table_checksum(file.data, table->length)) { + pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n", + cpio_path, file.name); + continue; + } + + pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n", + table->signature, cpio_path, file.name, table->length); + + all_tables_size += table->length; + acpi_initrd_files[table_nr].data = file.data; + acpi_initrd_files[table_nr].size = file.size; + table_nr++; + } + if (table_nr == 0) + return; + + acpi_tables_addr = + memblock_find_in_range(0, max_low_pfn_mapped << PAGE_SHIFT, + all_tables_size, PAGE_SIZE); + if (!acpi_tables_addr) { + WARN_ON(1); + return; + } + /* + * Only calling e820_add_reserve does not work and the + * tables are invalid (memory got used) later. + * memblock_reserve works as expected and the tables won't get modified. + * But it's not enough on X86 because ioremap will + * complain later (used by acpi_os_map_memory) that the pages + * that should get mapped are not marked "reserved". + * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area) + * works fine. + */ + memblock_reserve(acpi_tables_addr, all_tables_size); + arch_reserve_mem_area(acpi_tables_addr, all_tables_size); + + /* + * early_ioremap only can remap 256k one time. If we map all + * tables one time, we will hit the limit. Need to map chunks + * one by one during copying the same as that in relocate_initrd(). + */ + for (no = 0; no < table_nr; no++) { + unsigned char *src_p = acpi_initrd_files[no].data; + phys_addr_t size = acpi_initrd_files[no].size; + phys_addr_t dest_addr = acpi_tables_addr + total_offset; + phys_addr_t slop, clen; + char *dest_p; + + total_offset += size; + + while (size) { + slop = dest_addr & ~PAGE_MASK; + clen = size; + if (clen > MAP_CHUNK_SIZE - slop) + clen = MAP_CHUNK_SIZE - slop; + dest_p = early_ioremap(dest_addr & PAGE_MASK, + clen + slop); + memcpy(dest_p + slop, src_p, clen); + early_iounmap(dest_p, clen + slop); + src_p += clen; + dest_addr += clen; + size -= clen; + } + } +} + +static acpi_status +acpi_table_initrd_override(struct acpi_table_header *existing_table, + acpi_physical_address *address, u32 *length) +{ + int table_offset = 0; + int table_index = 0; + struct acpi_table_header *table; + u32 table_length; + + *length = 0; + *address = 0; + if (!acpi_tables_addr) + return AE_OK; + + while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { + table = acpi_os_map_memory(acpi_tables_addr + table_offset, + ACPI_HEADER_SIZE); + if (table_offset + table->length > all_tables_size) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + WARN_ON(1); + return AE_OK; + } + + table_length = table->length; + + /* Only override tables matched */ + if (memcmp(existing_table->signature, table->signature, 4) || + memcmp(table->oem_id, existing_table->oem_id, + ACPI_OEM_ID_SIZE) || + memcmp(table->oem_table_id, existing_table->oem_table_id, + ACPI_OEM_TABLE_ID_SIZE)) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + /* + * Mark the table to avoid being used in + * acpi_table_initrd_scan() and check the revision. + */ + if (test_and_set_bit(table_index, acpi_initrd_installed) || + existing_table->oem_revision >= table->oem_revision) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + + *length = table_length; + *address = acpi_tables_addr + table_offset; + pr_info("Table Upgrade: override [%4.4s-%6.6s-%8.8s]\n", + table->signature, table->oem_id, + table->oem_table_id); + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + break; + +next_table: + table_offset += table_length; + table_index++; + } + return AE_OK; +} + +static void __init acpi_table_initrd_scan(void) +{ + int table_offset = 0; + int table_index = 0; + u32 table_length; + struct acpi_table_header *table; + + if (!acpi_tables_addr) + return; + + while (table_offset + ACPI_HEADER_SIZE <= all_tables_size) { + table = acpi_os_map_memory(acpi_tables_addr + table_offset, + ACPI_HEADER_SIZE); + if (table_offset + table->length > all_tables_size) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + WARN_ON(1); + return; + } + + table_length = table->length; + + /* Skip RSDT/XSDT which should only be used for override */ + if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) || + ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + /* + * Mark the table to avoid being used in + * acpi_table_initrd_override(). Though this is not possible + * because override is disabled in acpi_install_table(). + */ + if (test_and_set_bit(table_index, acpi_initrd_installed)) { + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + goto next_table; + } + + pr_info("Table Upgrade: install [%4.4s-%6.6s-%8.8s]\n", + table->signature, table->oem_id, + table->oem_table_id); + acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); + acpi_install_table(acpi_tables_addr + table_offset, TRUE); +next_table: + table_offset += table_length; + table_index++; + } +} +#else +static void __init acpi_table_initrd_init(void *data, size_t size) +{ +} + +static acpi_status +acpi_table_initrd_override(struct acpi_table_header *existing_table, + acpi_physical_address *address, + u32 *table_length) +{ + *table_length = 0; + *address = 0; + return AE_OK; +} + +static void __init acpi_table_initrd_scan(void) +{ +} +#endif /* CONFIG_ACPI_TABLE_UPGRADE */ + +acpi_status +acpi_os_physical_table_override(struct acpi_table_header *existing_table, + acpi_physical_address *address, + u32 *table_length) +{ + return acpi_table_initrd_override(existing_table, address, + table_length); +} + +acpi_status +acpi_os_table_override(struct acpi_table_header *existing_table, + struct acpi_table_header **new_table) +{ + if (!existing_table || !new_table) + return AE_BAD_PARAMETER; + + *new_table = NULL; + +#ifdef CONFIG_ACPI_CUSTOM_DSDT + if (strncmp(existing_table->signature, "DSDT", 4) == 0) + *new_table = (struct acpi_table_header *)AmlCode; +#endif + if (*new_table != NULL) + acpi_table_taint(existing_table); + return AE_OK; +} + +void __init early_acpi_table_init(void *data, size_t size) +{ + acpi_table_initrd_init(data, size); +} + /* * acpi_table_init() * @@ -457,7 +771,7 @@ int __init acpi_table_init(void) status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); if (ACPI_FAILURE(status)) return -EINVAL; - acpi_initrd_initialize_tables(); + acpi_table_initrd_scan(); check_multiple_madt(); return 0; diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 050673f0c0b3..ac832bf6f8c9 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -707,7 +707,7 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs) EXPORT_SYMBOL(acpi_check_dsm); /** - * acpi_dev_present - Detect presence of a given ACPI device in the system. + * acpi_dev_found - Detect presence of a given ACPI device in the namespace. * @hid: Hardware ID of the device. * * Return %true if the device was present at the moment of invocation. @@ -719,7 +719,7 @@ EXPORT_SYMBOL(acpi_check_dsm); * instead). Calling from module_init() is fine (which is synonymous * with device_initcall()). */ -bool acpi_dev_present(const char *hid) +bool acpi_dev_found(const char *hid) { struct acpi_device_bus_id *acpi_device_bus_id; bool found = false; @@ -734,7 +734,7 @@ bool acpi_dev_present(const char *hid) return found; } -EXPORT_SYMBOL(acpi_dev_present); +EXPORT_SYMBOL(acpi_dev_found); /* * acpi_backlight= handling, this is done here rather then in video_detect.c diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 1316ddd92fac..3d1327615f72 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -358,7 +358,7 @@ enum acpi_backlight_type acpi_video_get_backlight_type(void) if (!(video_caps & ACPI_VIDEO_BACKLIGHT)) return acpi_backlight_vendor; - if (acpi_osi_is_win8() && backlight_device_registered(BACKLIGHT_RAW)) + if (acpi_osi_is_win8() && backlight_device_get_by_type(BACKLIGHT_RAW)) return acpi_backlight_native; return acpi_backlight_video; diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 1062fa42ff26..79d64ea00bfb 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -793,15 +793,6 @@ static acpi_status __init AMW0_find_mailled(void) return AE_OK; } -static int AMW0_set_cap_acpi_check_device_found __initdata; - -static acpi_status __init AMW0_set_cap_acpi_check_device_cb(acpi_handle handle, - u32 level, void *context, void **retval) -{ - AMW0_set_cap_acpi_check_device_found = 1; - return AE_OK; -} - static const struct acpi_device_id norfkill_ids[] __initconst = { { "VPC2004", 0}, { "IBM0068", 0}, @@ -816,9 +807,10 @@ static int __init AMW0_set_cap_acpi_check_device(void) const struct acpi_device_id *id; for (id = norfkill_ids; id->id[0]; id++) - acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb, - NULL, NULL); - return AMW0_set_cap_acpi_check_device_found; + if (acpi_dev_found(id->id)) + return true; + + return false; } static acpi_status __init AMW0_set_capabilities(void) diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 14fd2ecb06a1..17b365f26f9d 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -204,30 +204,10 @@ static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, } } -static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, - void *context, void **retval) -{ - pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); - *(bool *)context = true; - return AE_CTRL_TERMINATE; -} - -static int eeepc_wmi_check_atkd(void) -{ - acpi_status status; - bool found = false; - - status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, - &found, NULL); - - if (ACPI_FAILURE(status) || !found) - return 0; - return -1; -} - static int eeepc_wmi_probe(struct platform_device *pdev) { - if (eeepc_wmi_check_atkd()) { + if (acpi_dev_found(EEEPC_ACPI_HID)) { + pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); pr_warn("WMI device present, but legacy ATKD device is also " "present and enabled\n"); pr_warn("You probably booted with acpi_osi=\"Linux\" or " diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 3c3dc4a3d52c..d89d60c8b6cf 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -338,31 +338,9 @@ config INTEL_QUARK_DTS_THERMAL hot & critical. The critical trip point default value is set by underlying BIOS/Firmware. -config INT340X_THERMAL - tristate "ACPI INT340X thermal drivers" - depends on X86 && ACPI - select THERMAL_GOV_USER_SPACE - select ACPI_THERMAL_REL - select ACPI_FAN - select INTEL_SOC_DTS_IOSF_CORE - select THERMAL_WRITABLE_TRIPS - help - Newer laptops and tablets that use ACPI may have thermal sensors and - other devices with thermal control capabilities outside the core - CPU/SOC, for thermal safety reasons. - They are exposed for the OS to use via the INT3400 ACPI device object - as the master, and INT3401~INT340B ACPI device objects as the slaves. - Enable this to expose the temperature information and cooling ability - from these objects to userspace via the normal thermal framework. - This means that a wide range of applications and GUI widgets can show - the information to the user or use this information for making - decisions. For example, the Intel Thermal Daemon can use this - information to allow the user to select his laptop to run without - turning on the fans. - -config ACPI_THERMAL_REL - tristate - depends on ACPI +menu "ACPI INT340X thermal drivers" +source drivers/thermal/int340x_thermal/Kconfig +endmenu config INTEL_PCH_THERMAL tristate "Intel PCH Thermal Reporting Driver" diff --git a/drivers/thermal/int340x_thermal/Kconfig b/drivers/thermal/int340x_thermal/Kconfig new file mode 100644 index 000000000000..0582bd12a239 --- /dev/null +++ b/drivers/thermal/int340x_thermal/Kconfig @@ -0,0 +1,42 @@ +# +# ACPI INT340x thermal drivers configuration +# + +config INT340X_THERMAL + tristate "ACPI INT340X thermal drivers" + depends on X86 && ACPI + select THERMAL_GOV_USER_SPACE + select ACPI_THERMAL_REL + select ACPI_FAN + select INTEL_SOC_DTS_IOSF_CORE + help + Newer laptops and tablets that use ACPI may have thermal sensors and + other devices with thermal control capabilities outside the core + CPU/SOC, for thermal safety reasons. + They are exposed for the OS to use via the INT3400 ACPI device object + as the master, and INT3401~INT340B ACPI device objects as the slaves. + Enable this to expose the temperature information and cooling ability + from these objects to userspace via the normal thermal framework. + This means that a wide range of applications and GUI widgets can show + the information to the user or use this information for making + decisions. For example, the Intel Thermal Daemon can use this + information to allow the user to select his laptop to run without + turning on the fans. + +config ACPI_THERMAL_REL + tristate + depends on ACPI + +if INT340X_THERMAL + +config INT3406_THERMAL + tristate "ACPI INT3406 display thermal driver" + depends on ACPI_VIDEO + help + The display thermal device represents the LED/LCD display panel + that may or may not include touch support. The main function of + the display thermal device is to allow control of the display + brightness in order to address a thermal condition or to reduce + power consumed by display device. + +endif diff --git a/drivers/thermal/int340x_thermal/Makefile b/drivers/thermal/int340x_thermal/Makefile index ba77a34f659f..df0df055e7ff 100644 --- a/drivers/thermal/int340x_thermal/Makefile +++ b/drivers/thermal/int340x_thermal/Makefile @@ -3,4 +3,5 @@ obj-$(CONFIG_INT340X_THERMAL) += int340x_thermal_zone.o obj-$(CONFIG_INT340X_THERMAL) += int3402_thermal.o obj-$(CONFIG_INT340X_THERMAL) += int3403_thermal.o obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_device.o +obj-$(CONFIG_INT3406_THERMAL) += int3406_thermal.o obj-$(CONFIG_ACPI_THERMAL_REL) += acpi_thermal_rel.o diff --git a/drivers/thermal/int340x_thermal/int3406_thermal.c b/drivers/thermal/int340x_thermal/int3406_thermal.c new file mode 100644 index 000000000000..13d431cbd29e --- /dev/null +++ b/drivers/thermal/int340x_thermal/int3406_thermal.c @@ -0,0 +1,236 @@ +/* + * INT3406 thermal driver for display participant device + * + * Copyright (C) 2016, Intel Corporation + * Authors: Aaron Lu <aaron.lu@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/acpi.h> +#include <linux/backlight.h> +#include <linux/thermal.h> +#include <acpi/video.h> + +#define INT3406_BRIGHTNESS_LIMITS_CHANGED 0x80 + +struct int3406_thermal_data { + int upper_limit; + int upper_limit_index; + int lower_limit; + int lower_limit_index; + acpi_handle handle; + struct acpi_video_device_brightness *br; + struct backlight_device *raw_bd; + struct thermal_cooling_device *cooling_dev; +}; + +static int int3406_thermal_to_raw(int level, struct int3406_thermal_data *d) +{ + int max_level = d->br->levels[d->br->count - 1]; + int raw_max = d->raw_bd->props.max_brightness; + + return level * raw_max / max_level; +} + +static int int3406_thermal_to_acpi(int level, struct int3406_thermal_data *d) +{ + int raw_max = d->raw_bd->props.max_brightness; + int max_level = d->br->levels[d->br->count - 1]; + + return level * max_level / raw_max; +} + +static int +int3406_thermal_get_max_state(struct thermal_cooling_device *cooling_dev, + unsigned long *state) +{ + struct int3406_thermal_data *d = cooling_dev->devdata; + int index = d->lower_limit_index ? d->lower_limit_index : 2; + + *state = d->br->count - 1 - index; + return 0; +} + +static int +int3406_thermal_set_cur_state(struct thermal_cooling_device *cooling_dev, + unsigned long state) +{ + struct int3406_thermal_data *d = cooling_dev->devdata; + int level, raw_level; + + if (state > d->br->count - 3) + return -EINVAL; + + state = d->br->count - 1 - state; + level = d->br->levels[state]; + + if ((d->upper_limit && level > d->upper_limit) || + (d->lower_limit && level < d->lower_limit)) + return -EINVAL; + + raw_level = int3406_thermal_to_raw(level, d); + return backlight_device_set_brightness(d->raw_bd, raw_level); +} + +static int +int3406_thermal_get_cur_state(struct thermal_cooling_device *cooling_dev, + unsigned long *state) +{ + struct int3406_thermal_data *d = cooling_dev->devdata; + int raw_level, level, i; + int *levels = d->br->levels; + + raw_level = d->raw_bd->props.brightness; + level = int3406_thermal_to_acpi(raw_level, d); + + /* + * There is no 1:1 mapping between the firmware interface level with the + * raw interface level, we will have to find one that is close enough. + */ + for (i = 2; i < d->br->count; i++) { + if (level < levels[i]) { + if (i == 2) + break; + if ((level - levels[i - 1]) < (levels[i] - level)) + i--; + break; + } + } + + *state = d->br->count - 1 - i; + return 0; +} + +static const struct thermal_cooling_device_ops video_cooling_ops = { + .get_max_state = int3406_thermal_get_max_state, + .get_cur_state = int3406_thermal_get_cur_state, + .set_cur_state = int3406_thermal_set_cur_state, +}; + +static int int3406_thermal_get_index(int *array, int nr, int value) +{ + int i; + + for (i = 0; i < nr; i++) { + if (array[i] == value) + break; + } + return i == nr ? -ENOENT : i; +} + +static void int3406_thermal_get_limit(struct int3406_thermal_data *d) +{ + acpi_status status; + unsigned long long lower_limit, upper_limit; + int index; + + status = acpi_evaluate_integer(d->handle, "DDDL", NULL, &lower_limit); + if (ACPI_SUCCESS(status)) { + index = int3406_thermal_get_index(d->br->levels, d->br->count, + lower_limit); + if (index > 0) { + d->lower_limit = (int)lower_limit; + d->lower_limit_index = index; + } + } + + status = acpi_evaluate_integer(d->handle, "DDPC", NULL, &upper_limit); + if (ACPI_SUCCESS(status)) { + index = int3406_thermal_get_index(d->br->levels, d->br->count, + upper_limit); + if (index > 0) { + d->upper_limit = (int)upper_limit; + d->upper_limit_index = index; + } + } +} + +static void int3406_notify(acpi_handle handle, u32 event, void *data) +{ + if (event == INT3406_BRIGHTNESS_LIMITS_CHANGED) + int3406_thermal_get_limit(data); +} + +static int int3406_thermal_probe(struct platform_device *pdev) +{ + struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); + struct int3406_thermal_data *d; + struct backlight_device *bd; + int ret; + + if (!ACPI_HANDLE(&pdev->dev)) + return -ENODEV; + + d = devm_kzalloc(&pdev->dev, sizeof(*d), GFP_KERNEL); + if (!d) + return -ENOMEM; + d->handle = ACPI_HANDLE(&pdev->dev); + + bd = backlight_device_get_by_type(BACKLIGHT_RAW); + if (!bd) + return -ENODEV; + d->raw_bd = bd; + + ret = acpi_video_get_levels(ACPI_COMPANION(&pdev->dev), &d->br); + if (ret) + return ret; + + int3406_thermal_get_limit(d); + + d->cooling_dev = thermal_cooling_device_register(acpi_device_bid(adev), + d, &video_cooling_ops); + if (IS_ERR(d->cooling_dev)) + goto err; + + ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY, + int3406_notify, d); + if (ret) + goto err_cdev; + + platform_set_drvdata(pdev, d); + + return 0; + +err_cdev: + thermal_cooling_device_unregister(d->cooling_dev); +err: + kfree(d->br); + return -ENODEV; +} + +static int int3406_thermal_remove(struct platform_device *pdev) +{ + struct int3406_thermal_data *d = platform_get_drvdata(pdev); + + thermal_cooling_device_unregister(d->cooling_dev); + kfree(d->br); + return 0; +} + +static const struct acpi_device_id int3406_thermal_match[] = { + {"INT3406", 0}, + {} +}; + +MODULE_DEVICE_TABLE(acpi, int3406_thermal_match); + +static struct platform_driver int3406_thermal_driver = { + .probe = int3406_thermal_probe, + .remove = int3406_thermal_remove, + .driver = { + .name = "int3406 thermal", + .owner = THIS_MODULE, + .acpi_match_table = int3406_thermal_match, + }, +}; + +module_platform_driver(int3406_thermal_driver); + +MODULE_DESCRIPTION("INT3406 Thermal driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bddc8b17a4d8..288318ad21dd 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -164,18 +164,10 @@ static ssize_t brightness_show(struct device *dev, return sprintf(buf, "%d\n", bd->props.brightness); } -static ssize_t brightness_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) +int backlight_device_set_brightness(struct backlight_device *bd, + unsigned long brightness) { - int rc; - struct backlight_device *bd = to_backlight_device(dev); - unsigned long brightness; - - rc = kstrtoul(buf, 0, &brightness); - if (rc) - return rc; - - rc = -ENXIO; + int rc = -ENXIO; mutex_lock(&bd->ops_lock); if (bd->ops) { @@ -185,7 +177,7 @@ static ssize_t brightness_store(struct device *dev, pr_debug("set brightness to %lu\n", brightness); bd->props.brightness = brightness; backlight_update_status(bd); - rc = count; + rc = 0; } } mutex_unlock(&bd->ops_lock); @@ -194,6 +186,23 @@ static ssize_t brightness_store(struct device *dev, return rc; } +EXPORT_SYMBOL(backlight_device_set_brightness); + +static ssize_t brightness_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + int rc; + struct backlight_device *bd = to_backlight_device(dev); + unsigned long brightness; + + rc = kstrtoul(buf, 0, &brightness); + if (rc) + return rc; + + rc = backlight_device_set_brightness(bd, brightness); + + return rc ? rc : count; +} static DEVICE_ATTR_RW(brightness); static ssize_t type_show(struct device *dev, struct device_attribute *attr, @@ -380,7 +389,7 @@ struct backlight_device *backlight_device_register(const char *name, } EXPORT_SYMBOL(backlight_device_register); -bool backlight_device_registered(enum backlight_type type) +struct backlight_device *backlight_device_get_by_type(enum backlight_type type) { bool found = false; struct backlight_device *bd; @@ -394,9 +403,9 @@ bool backlight_device_registered(enum backlight_type type) } mutex_unlock(&backlight_dev_list_mutex); - return found; + return found ? bd : NULL; } -EXPORT_SYMBOL(backlight_device_registered); +EXPORT_SYMBOL(backlight_device_get_by_type); /** * backlight_device_unregister - unregisters a backlight device object. |