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Commit 35d48993 authored by Andy Grover's avatar Andy Grover
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Merge groveronline.com:/root/bk/linux-2.5 

into groveronline.com:/root/bk/linux-acpi
parents 63ac2a63 6ad53b6d
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Showing with 1455 additions and 1059 deletions
Documentation/kernel-parameters.txt
View file @ 35d48993
......@@ -516,6 +516,14 @@ running once the system is up.
[KNL,BOOT] Force usage of a specific region of memory
Region of memory to be used, from ss to ss+nn.
mem=nn[KMG]#ss[KMG]
[KNL,BOOT,ACPI] Mark specific memory as ACPI data.
Region of memory to be used, from ss to ss+nn.
mem=nn[KMG]$ss[KMG]
[KNL,BOOT,ACPI] Mark specific memory as reserved.
Region of memory to be used, from ss to ss+nn.
mem=nopentium [BUGS=IA-32] Disable usage of 4MB pages for kernel
memory.
......
arch/i386/kernel/acpi/wakeup.S
View file @ 35d48993
......@@ -319,6 +319,31 @@ ret_point:
pushl saved_context_eflags ; popfl
ret
ENTRY(do_suspend_lowlevel_s4bios)
cmpl $0,4(%esp)
jne ret_point
call save_processor_state
movl %esp, saved_context_esp
movl %eax, saved_context_eax
movl %ebx, saved_context_ebx
movl %ecx, saved_context_ecx
movl %edx, saved_context_edx
movl %ebp, saved_context_ebp
movl %esi, saved_context_esi
movl %edi, saved_context_edi
pushfl ; popl saved_context_eflags
movl $ret_point,saved_eip
movl %esp,saved_esp
movl %ebp,saved_ebp
movl %ebx,saved_ebx
movl %edi,saved_edi
movl %esi,saved_esi
call acpi_enter_sleep_state_s4bios
ret
ALIGN
# saved registers
saved_gdt: .long 0,0
......
arch/i386/kernel/setup.c
View file @ 35d48993
......@@ -552,6 +552,12 @@ static void __init parse_cmdline_early (char ** cmdline_p)
if (*from == '@') {
start_at = memparse(from+1, &from);
add_memory_region(start_at, mem_size, E820_RAM);
} else if (*from == '#') {
start_at = memparse(from+1, &from);
add_memory_region(start_at, mem_size, E820_ACPI);
} else if (*from == '$') {
start_at = memparse(from+1, &from);
add_memory_region(start_at, mem_size, E820_RESERVED);
} else {
limit_regions(mem_size);
userdef=1;
......
drivers/acpi/Kconfig
View file @ 35d48993
......@@ -6,6 +6,7 @@ menu "ACPI Support"
config ACPI
bool "ACPI Support" if X86
depends on !X86_VISWS
default y if IA64 && (!IA64_HP_SIM || IA64_SGI_SN)
---help---
Advanced Configuration and Power Interface (ACPI) support for
......
drivers/acpi/acpi_ksyms.c
View file @ 35d48993
......@@ -76,6 +76,7 @@ EXPORT_SYMBOL(acpi_acquire_global_lock);
EXPORT_SYMBOL(acpi_release_global_lock);
EXPORT_SYMBOL(acpi_get_current_resources);
EXPORT_SYMBOL(acpi_get_possible_resources);
EXPORT_SYMBOL(acpi_walk_resources);
EXPORT_SYMBOL(acpi_set_current_resources);
EXPORT_SYMBOL(acpi_enable_event);
EXPORT_SYMBOL(acpi_disable_event);
......@@ -86,6 +87,7 @@ EXPORT_SYMBOL(acpi_get_sleep_type_data);
EXPORT_SYMBOL(acpi_get_register);
EXPORT_SYMBOL(acpi_set_register);
EXPORT_SYMBOL(acpi_enter_sleep_state);
EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios);
EXPORT_SYMBOL(acpi_get_system_info);
EXPORT_SYMBOL(acpi_get_devices);
......
drivers/acpi/ec.c
View file @ 35d48993
......@@ -644,15 +644,46 @@ acpi_ec_remove (
}
static acpi_status
acpi_ec_io_ports (
struct acpi_resource *resource,
void *context)
{
struct acpi_ec *ec = (struct acpi_ec *) context;
struct acpi_generic_address *addr;
if (resource->id != ACPI_RSTYPE_IO) {
return AE_OK;
}
/*
* The first address region returned is the data port, and
* the second address region returned is the status/command
* port.
*/
if (ec->data_addr.register_bit_width == 0) {
addr = &ec->data_addr;
} else if (ec->command_addr.register_bit_width == 0) {
addr = &ec->command_addr;
} else {
return AE_CTRL_TERMINATE;
}
addr->address_space_id = ACPI_ADR_SPACE_SYSTEM_IO;
addr->register_bit_width = 8;
addr->register_bit_offset = 0;
addr->address = resource->data.io.min_base_address;
return AE_OK;
}
static int
acpi_ec_start (
struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
struct acpi_ec *ec = NULL;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_resource *resource = NULL;
ACPI_FUNCTION_TRACE("acpi_ec_start");
......@@ -667,33 +698,13 @@ acpi_ec_start (
/*
* Get I/O port addresses. Convert to GAS format.
*/
status = acpi_get_current_resources(ec->handle, &buffer);
if (ACPI_FAILURE(status)) {
status = acpi_walk_resources(ec->handle, METHOD_NAME__CRS,
acpi_ec_io_ports, ec);
if (ACPI_FAILURE(status) || ec->command_addr.register_bit_width == 0) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error getting I/O port addresses"));
return_VALUE(-ENODEV);
}
resource = (struct acpi_resource *) buffer.pointer;
if (!resource || (resource->id != ACPI_RSTYPE_IO)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid or missing resource\n"));
result = -ENODEV;
goto end;
}
ec->data_addr.address_space_id = ACPI_ADR_SPACE_SYSTEM_IO;
ec->data_addr.register_bit_width = 8;
ec->data_addr.register_bit_offset = 0;
ec->data_addr.address = resource->data.io.min_base_address;
resource = ACPI_NEXT_RESOURCE(resource);
if (!resource || (resource->id != ACPI_RSTYPE_IO)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid or missing resource\n"));
result = -ENODEV;
goto end;
}
ec->command_addr.address_space_id = ACPI_ADR_SPACE_SYSTEM_IO;
ec->command_addr.register_bit_width = 8;
ec->command_addr.register_bit_offset = 0;
ec->command_addr.address = resource->data.io.min_base_address;
ec->status_addr = ec->command_addr;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "gpe=0x%02x, ports=0x%2x,0x%2x\n",
......@@ -706,8 +717,7 @@ acpi_ec_start (
status = acpi_install_gpe_handler(ec->gpe_bit,
ACPI_EVENT_EDGE_TRIGGERED, &acpi_ec_gpe_handler, ec);
if (ACPI_FAILURE(status)) {
result = -ENODEV;
goto end;
return_VALUE(-ENODEV);
}
status = acpi_install_address_space_handler (ec->handle,
......@@ -715,13 +725,10 @@ acpi_ec_start (
&acpi_ec_space_setup, ec);
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(ec->gpe_bit, &acpi_ec_gpe_handler);
result = -ENODEV;
goto end;
return_VALUE(-ENODEV);
}
end:
acpi_os_free(buffer.pointer);
return_VALUE(result);
return_VALUE(AE_OK);
}
......
drivers/acpi/events/Makefile
View file @ 35d48993
......@@ -4,6 +4,6 @@
obj-y := evevent.o evregion.o evsci.o evxfevnt.o \
evmisc.o evrgnini.o evxface.o evxfregn.o \
evgpe.o
evgpe.o evgpeblk.o
EXTRA_CFLAGS += $(ACPI_CFLAGS)
drivers/acpi/events/evevent.c
View file @ 35d48993
......@@ -110,7 +110,7 @@ acpi_ev_initialize (
*
* RETURN: Status
*
* DESCRIPTION: Install handlers for the SCI, Global Lock, and GPEs.
* DESCRIPTION: Install interrupt handlers for the SCI and Global Lock
*
******************************************************************************/
......@@ -134,16 +134,6 @@ acpi_ev_handler_initialize (
return_ACPI_STATUS (status);
}
/* Install handlers for control method GPE handlers (_Lxx, _Exx) */
status = acpi_ev_init_gpe_control_methods ();
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR ((
"Unable to initialize GPE control methods, %s\n",
acpi_format_exception (status)));
return_ACPI_STATUS (status);
}
/* Install the handler for the Global Lock */
status = acpi_ev_init_global_lock_handler ();
......
drivers/acpi/events/evgpe.c
View file @ 35d48993
......@@ -51,401 +51,54 @@
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
* FUNCTION: acpi_ev_get_gpe_event_info
*
* PARAMETERS: None
* PARAMETERS: gpe_number - Raw GPE number
*
* RETURN: Status
* RETURN: None.
*
* DESCRIPTION: Initialize the GPE data structures
* DESCRIPTION: Returns the event_info struct
* associated with this GPE.
*
******************************************************************************/
acpi_status
acpi_ev_gpe_initialize (void)
{
acpi_native_uint i;
acpi_native_uint j;
u32 gpe_block;
u32 gpe_register;
u32 gpe_number_index;
u32 gpe_number;
struct acpi_gpe_register_info *gpe_register_info;
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_gpe_initialize");
/*
* Initialize the GPE Block globals
*
* Why the GPE register block lengths are divided by 2: From the ACPI Spec,
* section "General-Purpose Event Registers", we have:
*
* "Each register block contains two registers of equal length
* GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
* GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
* The length of the GPE1_STS and GPE1_EN registers is equal to
* half the GPE1_LEN. If a generic register block is not supported
* then its respective block pointer and block length values in the
* FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
* to be the same size."
*/
acpi_gbl_gpe_block_info[0].register_count = 0;
acpi_gbl_gpe_block_info[1].register_count = 0;
acpi_gbl_gpe_block_info[0].block_address = &acpi_gbl_FADT->xgpe0_blk;
acpi_gbl_gpe_block_info[1].block_address = &acpi_gbl_FADT->xgpe1_blk;
acpi_gbl_gpe_block_info[0].block_base_number = 0;
acpi_gbl_gpe_block_info[1].block_base_number = acpi_gbl_FADT->gpe1_base;
/*
* Determine the maximum GPE number for this machine.
*
* Note: both GPE0 and GPE1 are optional, and either can exist without
* the other.
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
if (acpi_gbl_FADT->xgpe0_blk.register_bit_width && acpi_gbl_FADT->xgpe0_blk.address) {
/* GPE block 0 exists (has both length and address > 0) */
acpi_gbl_gpe_block_info[0].register_count = (u16) (acpi_gbl_FADT->xgpe0_blk.register_bit_width / (ACPI_GPE_REGISTER_WIDTH * 2));
acpi_gbl_gpe_number_max = (acpi_gbl_gpe_block_info[0].register_count * ACPI_GPE_REGISTER_WIDTH) - 1;
}
if (acpi_gbl_FADT->xgpe1_blk.register_bit_width && acpi_gbl_FADT->xgpe1_blk.address) {
/* GPE block 1 exists (has both length and address > 0) */
acpi_gbl_gpe_block_info[1].register_count = (u16) (acpi_gbl_FADT->xgpe1_blk.register_bit_width / (ACPI_GPE_REGISTER_WIDTH * 2));
/* Check for GPE0/GPE1 overlap (if both banks exist) */
if ((acpi_gbl_gpe_block_info[0].register_count) &&
(acpi_gbl_gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
ACPI_REPORT_ERROR ((
"GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n",
acpi_gbl_gpe_number_max, acpi_gbl_FADT->gpe1_base,
acpi_gbl_FADT->gpe1_base + ((acpi_gbl_gpe_block_info[1].register_count * ACPI_GPE_REGISTER_WIDTH) - 1)));
/* Ignore GPE1 block by setting the register count to zero */
acpi_gbl_gpe_block_info[1].register_count = 0;
}
else {
/*
* GPE0 and GPE1 do not have to be contiguous in the GPE number space,
* But, GPE0 always starts at zero.
*/
acpi_gbl_gpe_number_max = acpi_gbl_FADT->gpe1_base +
((acpi_gbl_gpe_block_info[1].register_count * ACPI_GPE_REGISTER_WIDTH) - 1);
}
}
/* Exit if there are no GPE registers */
acpi_gbl_gpe_register_count = acpi_gbl_gpe_block_info[0].register_count +
acpi_gbl_gpe_block_info[1].register_count;
if (!acpi_gbl_gpe_register_count) {
/* GPEs are not required by ACPI, this is OK */
ACPI_REPORT_INFO (("There are no GPE blocks defined in the FADT\n"));
return_ACPI_STATUS (AE_OK);
}
/* Check for Max GPE number out-of-range */
if (acpi_gbl_gpe_number_max > ACPI_GPE_MAX) {
ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n",
acpi_gbl_gpe_number_max));
return_ACPI_STATUS (AE_BAD_VALUE);
}
/* Allocate the GPE number-to-index translation table */
acpi_gbl_gpe_number_to_index = ACPI_MEM_CALLOCATE (
sizeof (struct acpi_gpe_index_info) *
((acpi_size) acpi_gbl_gpe_number_max + 1));
if (!acpi_gbl_gpe_number_to_index) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not allocate the gpe_number_to_index table\n"));
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Set the Gpe index table to GPE_INVALID */
ACPI_MEMSET (acpi_gbl_gpe_number_to_index, (int) ACPI_GPE_INVALID,
sizeof (struct acpi_gpe_index_info) * ((acpi_size) acpi_gbl_gpe_number_max + 1));
/* Allocate the GPE register information block */
acpi_gbl_gpe_register_info = ACPI_MEM_CALLOCATE (
(acpi_size) acpi_gbl_gpe_register_count *
sizeof (struct acpi_gpe_register_info));
if (!acpi_gbl_gpe_register_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not allocate the gpe_register_info table\n"));
goto error_exit1;
}
/*
* Allocate the GPE dispatch handler block. There are eight distinct GPEs
* per register. Initialization to zeros is sufficient.
*/
acpi_gbl_gpe_number_info = ACPI_MEM_CALLOCATE (
((acpi_size) acpi_gbl_gpe_register_count * ACPI_GPE_REGISTER_WIDTH) *
sizeof (struct acpi_gpe_number_info));
if (!acpi_gbl_gpe_number_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the gpe_number_info table\n"));
goto error_exit2;
}
/*
* Initialize the GPE information and validation tables. A goal of these
* tables is to hide the fact that there are two separate GPE register sets
* in a given gpe hardware block, the status registers occupy the first half,
* and the enable registers occupy the second half. Another goal is to hide
* the fact that there may be multiple GPE hardware blocks.
*/
gpe_register = 0;
gpe_number_index = 0;
for (gpe_block = 0; gpe_block < ACPI_MAX_GPE_BLOCKS; gpe_block++) {
for (i = 0; i < acpi_gbl_gpe_block_info[gpe_block].register_count; i++) {
gpe_register_info = &acpi_gbl_gpe_register_info[gpe_register];
/* Init the Register info for this entire GPE register (8 GPEs) */
gpe_register_info->base_gpe_number = (u8) (acpi_gbl_gpe_block_info[gpe_block].block_base_number
+ (i * ACPI_GPE_REGISTER_WIDTH));
ACPI_STORE_ADDRESS (gpe_register_info->status_address.address,
(acpi_gbl_gpe_block_info[gpe_block].block_address->address
+ i));
ACPI_STORE_ADDRESS (gpe_register_info->enable_address.address,
(acpi_gbl_gpe_block_info[gpe_block].block_address->address
+ i
+ acpi_gbl_gpe_block_info[gpe_block].register_count));
gpe_register_info->status_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].block_address->address_space_id;
gpe_register_info->enable_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].block_address->address_space_id;
gpe_register_info->status_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
gpe_register_info->enable_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
gpe_register_info->status_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
gpe_register_info->enable_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
/* Init the Index mapping info for each GPE number within this register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
gpe_number = gpe_register_info->base_gpe_number + (u32) j;
acpi_gbl_gpe_number_to_index[gpe_number].number_index = (u8) gpe_number_index;
acpi_gbl_gpe_number_info[gpe_number_index].bit_mask = acpi_gbl_decode_to8bit[j];
gpe_number_index++;
}
/*
* Clear the status/enable registers. Note that status registers
* are cleared by writing a '1', while enable registers are cleared
* by writing a '0'.
*/
status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0x00, &gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0xFF, &gpe_register_info->status_address, 0);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
gpe_register++;
}
if (i) {
/* Dump info about this valid GPE block */
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "GPE Block%d: %X registers at %8.8X%8.8X\n",
(s32) gpe_block, acpi_gbl_gpe_block_info[0].register_count,
ACPI_HIDWORD (acpi_gbl_gpe_block_info[gpe_block].block_address->address),
ACPI_LODWORD (acpi_gbl_gpe_block_info[gpe_block].block_address->address)));
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "GPE Block%d defined as GPE%d to GPE%d\n",
(s32) gpe_block,
(u32) acpi_gbl_gpe_block_info[gpe_block].block_base_number,
(u32) (acpi_gbl_gpe_block_info[gpe_block].block_base_number +
((acpi_gbl_gpe_block_info[gpe_block].register_count * ACPI_GPE_REGISTER_WIDTH) -1))));
}
}
return_ACPI_STATUS (AE_OK);
/* Error cleanup */
error_exit2:
ACPI_MEM_FREE (acpi_gbl_gpe_register_info);
error_exit1:
ACPI_MEM_FREE (acpi_gbl_gpe_number_to_index);
return_ACPI_STATUS (AE_NO_MEMORY);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_save_method_info
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* control method under the _GPE portion of the namespace.
* Extract the name and GPE type from the object, saving this
* information for quick lookup during GPE dispatch
*
* The name of each GPE control method is of the form:
* "_Lnn" or "_Enn"
* Where:
* L - means that the GPE is level triggered
* E - means that the GPE is edge triggered
* nn - is the GPE number [in HEX]
* TBD: this function will go away when full support of GPE block devices
* is implemented!
*
******************************************************************************/
static acpi_status
acpi_ev_save_method_info (
acpi_handle obj_handle,
u32 level,
void *obj_desc,
void **return_value)
struct acpi_gpe_event_info *
acpi_ev_get_gpe_event_info (
u32 gpe_number)
{
u32 gpe_number;
struct acpi_gpe_number_info *gpe_number_info;
char name[ACPI_NAME_SIZE + 1];
u8 type;
acpi_status status;
ACPI_FUNCTION_NAME ("ev_save_method_info");
/* Extract the name from the object and convert to a string */
ACPI_MOVE_UNALIGNED32_TO_32 (name,
&((struct acpi_namespace_node *) obj_handle)->name.integer);
name[ACPI_NAME_SIZE] = 0;
/*
* Edge/Level determination is based on the 2nd character of the method name
*/
switch (name[1]) {
case 'L':
type = ACPI_EVENT_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_EVENT_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it! */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unknown GPE method type: %s (name not of form _Lnn or _Enn)\n",
name));
return (AE_OK);
}
struct acpi_gpe_block_info *gpe_block;
/* Convert the last two characters of the name to the GPE Number */
gpe_number = ACPI_STRTOUL (&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
/* Examine GPE Block 0 */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not extract GPE number from name: %s (name not of form _Lnn or _Enn)\n",
name));
return (AE_OK);
gpe_block = acpi_gbl_gpe_block_list_head;
if (!gpe_block) {
return (NULL);
}
/* Get GPE index and ensure that we have a valid GPE number */
gpe_number_info = acpi_ev_get_gpe_number_info (gpe_number);
if (!gpe_number_info) {
/* Not valid, all we can do here is ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"GPE number associated with method is not valid %s\n",
name));
return (AE_OK);
if ((gpe_number >= gpe_block->block_base_number) &&
(gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) {
return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]);
}
/*
* Now we can add this information to the gpe_number_info block
* for use during dispatch of this GPE.
*/
gpe_number_info->type = type;
gpe_number_info->method_node = (struct acpi_namespace_node *) obj_handle;
/* Examine GPE Block 1 */
/*
* Enable the GPE (SCIs should be disabled at this point)
*/
status = acpi_hw_enable_gpe (gpe_number);
if (ACPI_FAILURE (status)) {
return (status);
gpe_block = gpe_block->next;
if (!gpe_block) {
return (NULL);
}
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %2.2X\n",
name, gpe_number));
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_init_gpe_control_methods
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Obtain the control methods associated with the GPEs.
* NOTE: Must be called AFTER namespace initialization!
*
******************************************************************************/
acpi_status
acpi_ev_init_gpe_control_methods (void)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_init_gpe_control_methods");
/* Get a permanent handle to the _GPE object */
status = acpi_get_handle (NULL, "\\_GPE", &acpi_gbl_gpe_obj_handle);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
if ((gpe_number >= gpe_block->block_base_number) &&
(gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) {
return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]);
}
/* Traverse the namespace under \_GPE to find all methods there */
status = acpi_walk_namespace (ACPI_TYPE_METHOD, acpi_gbl_gpe_obj_handle,
ACPI_UINT32_MAX, acpi_ev_save_method_info,
NULL, NULL);
return_ACPI_STATUS (status);
return (NULL);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_detect
......@@ -470,62 +123,74 @@ acpi_ev_gpe_detect (void)
struct acpi_gpe_register_info *gpe_register_info;
u32 in_value;
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_NAME ("ev_gpe_detect");
/*
* Read all of the 8-bit GPE status and enable registers
* in both of the register blocks, saving all of it.
* Find all currently active GP events.
*/
for (i = 0; i < acpi_gbl_gpe_register_count; i++) {
gpe_register_info = &acpi_gbl_gpe_register_info[i];
/* Examine all GPE blocks attached to this interrupt level */
status = acpi_hw_low_level_read (ACPI_GPE_REGISTER_WIDTH, &in_value, &gpe_register_info->status_address, 0);
gpe_register_info->status = (u8) in_value;
if (ACPI_FAILURE (status)) {
return (ACPI_INTERRUPT_NOT_HANDLED);
}
gpe_block = acpi_gbl_gpe_block_list_head;
while (gpe_block) {
/*
* Read all of the 8-bit GPE status and enable registers
* in this GPE block, saving all of them.
* Find all currently active GP events.
*/
for (i = 0; i < gpe_block->register_count; i++) {
/* Get the next status/enable pair */
status = acpi_hw_low_level_read (ACPI_GPE_REGISTER_WIDTH, &in_value, &gpe_register_info->enable_address, 0);
gpe_register_info->enable = (u8) in_value;
if (ACPI_FAILURE (status)) {
return (ACPI_INTERRUPT_NOT_HANDLED);
}
gpe_register_info = &gpe_block->register_info[i];
status = acpi_hw_low_level_read (ACPI_GPE_REGISTER_WIDTH, &in_value,
&gpe_register_info->status_address, 0);
gpe_register_info->status = (u8) in_value;
if (ACPI_FAILURE (status)) {
return (ACPI_INTERRUPT_NOT_HANDLED);
}
ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
"GPE block at %8.8X%8.8X - Values: Enable %02X Status %02X\n",
ACPI_HIDWORD (gpe_register_info->enable_address.address),
ACPI_LODWORD (gpe_register_info->enable_address.address),
gpe_register_info->enable,
gpe_register_info->status));
status = acpi_hw_low_level_read (ACPI_GPE_REGISTER_WIDTH, &in_value,
&gpe_register_info->enable_address, 0);
gpe_register_info->enable = (u8) in_value;
if (ACPI_FAILURE (status)) {
return (ACPI_INTERRUPT_NOT_HANDLED);
}
/* First check if there is anything active at all in this register */
ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
"GPE block at %8.8X%8.8X - Values: Enable %02X Status %02X\n",
ACPI_HIDWORD (gpe_register_info->enable_address.address),
ACPI_LODWORD (gpe_register_info->enable_address.address),
gpe_register_info->enable,
gpe_register_info->status));
enabled_status_byte = (u8) (gpe_register_info->status &
gpe_register_info->enable);
if (!enabled_status_byte) {
/* No active GPEs in this register, move on */
/* First check if there is anything active at all in this register */
continue;
}
enabled_status_byte = (u8) (gpe_register_info->status &
gpe_register_info->enable);
if (!enabled_status_byte) {
/* No active GPEs in this register, move on */
/* Now look at the individual GPEs in this byte register */
continue;
}
/* Now look at the individual GPEs in this byte register */
for (j = 0, bit_mask = 1; j < ACPI_GPE_REGISTER_WIDTH; j++, bit_mask <<= 1) {
/* Examine one GPE bit */
for (j = 0, bit_mask = 1; j < ACPI_GPE_REGISTER_WIDTH; j++, bit_mask <<= 1) {
/* Examine one GPE bit */
if (enabled_status_byte & bit_mask) {
/*
* Found an active GPE. Dispatch the event to a handler
* or method.
*/
int_status |= acpi_ev_gpe_dispatch (
gpe_register_info->base_gpe_number + j);
if (enabled_status_byte & bit_mask) {
/*
* Found an active GPE. Dispatch the event to a handler
* or method.
*/
int_status |= acpi_ev_gpe_dispatch (
&gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) +j]);
}
}
}
gpe_block = gpe_block->next;
}
return (int_status);
......@@ -536,7 +201,7 @@ acpi_ev_gpe_detect (void)
*
* FUNCTION: acpi_ev_asynch_execute_gpe_method
*
* PARAMETERS: gpe_number - The 0-based GPE number
* PARAMETERS: gpe_event_info - Info for this GPE
*
* RETURN: None
*
......@@ -552,20 +217,14 @@ static void ACPI_SYSTEM_XFACE
acpi_ev_asynch_execute_gpe_method (
void *context)
{
u32 gpe_number = (u32) ACPI_TO_INTEGER (context);
u32 gpe_number_index;
struct acpi_gpe_number_info gpe_number_info;
struct acpi_gpe_event_info *gpe_event_info = (void *) context;
u32 gpe_number = 0;
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_asynch_execute_gpe_method");
gpe_number_index = acpi_ev_get_gpe_number_index (gpe_number);
if (gpe_number_index == ACPI_GPE_INVALID) {
return_VOID;
}
/*
* Take a snapshot of the GPE info for this level - we copy the
* info to prevent a race condition with remove_handler.
......@@ -575,40 +234,38 @@ acpi_ev_asynch_execute_gpe_method (
return_VOID;
}
gpe_number_info = acpi_gbl_gpe_number_info [gpe_number_index];
status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (status)) {
return_VOID;
}
if (gpe_number_info.method_node) {
if (gpe_event_info->method_node) {
/*
* Invoke the GPE Method (_Lxx, _Exx):
* (Evaluate the _Lxx/_Exx control method that corresponds to this GPE.)
*/
status = acpi_ns_evaluate_by_handle (gpe_number_info.method_node, NULL, NULL);
status = acpi_ns_evaluate_by_handle (gpe_event_info->method_node, NULL, NULL);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("%s while evaluating method [%4.4s] for GPE[%2.2X]\n",
acpi_format_exception (status),
gpe_number_info.method_node->name.ascii, gpe_number));
gpe_event_info->method_node->name.ascii, gpe_number));
}
}
if (gpe_number_info.type & ACPI_EVENT_LEVEL_TRIGGERED) {
if (gpe_event_info->type & ACPI_EVENT_LEVEL_TRIGGERED) {
/*
* GPE is level-triggered, we clear the GPE status bit after handling
* the event.
*/
status = acpi_hw_clear_gpe (gpe_number);
status = acpi_hw_clear_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
return_VOID;
}
}
/*
* Enable the GPE.
*/
(void) acpi_hw_enable_gpe (gpe_number);
/* Enable this GPE */
(void) acpi_hw_enable_gpe (gpe_event_info);
return_VOID;
}
......@@ -617,7 +274,7 @@ acpi_ev_asynch_execute_gpe_method (
*
* FUNCTION: acpi_ev_gpe_dispatch
*
* PARAMETERS: gpe_number - The 0-based GPE number
* PARAMETERS: gpe_event_info - info for this GPE
*
* RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
*
......@@ -629,33 +286,24 @@ acpi_ev_asynch_execute_gpe_method (
u32
acpi_ev_gpe_dispatch (
u32 gpe_number)
struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_number_info *gpe_number_info;
u32 gpe_number = 0; /* TBD: remove */
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_gpe_dispatch");
/*
* We don't have to worry about mutex on gpe_number_info because we are
* executing at interrupt level.
*/
gpe_number_info = acpi_ev_get_gpe_number_info (gpe_number);
if (!gpe_number_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "GPE[%X] is not a valid event\n", gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
/*
* If edge-triggered, clear the GPE status bit now. Note that
* level-triggered events are cleared after the GPE is serviced.
*/
if (gpe_number_info->type & ACPI_EVENT_EDGE_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_number);
if (gpe_event_info->type & ACPI_EVENT_EDGE_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n", gpe_number));
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n",
gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
}
......@@ -667,19 +315,20 @@ acpi_ev_gpe_dispatch (
* If there is neither a handler nor a method, we disable the level to
* prevent further events from coming in here.
*/
if (gpe_number_info->handler) {
if (gpe_event_info->handler) {
/* Invoke the installed handler (at interrupt level) */
gpe_number_info->handler (gpe_number_info->context);
gpe_event_info->handler (gpe_event_info->context);
}
else if (gpe_number_info->method_node) {
else if (gpe_event_info->method_node) {
/*
* Disable GPE, so it doesn't keep firing before the method has a
* chance to run.
*/
status = acpi_hw_disable_gpe (gpe_number);
status = acpi_hw_disable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n", gpe_number));
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n",
gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
......@@ -688,22 +337,27 @@ acpi_ev_gpe_dispatch (
*/
if (ACPI_FAILURE (acpi_os_queue_for_execution (OSD_PRIORITY_GPE,
acpi_ev_asynch_execute_gpe_method,
ACPI_TO_POINTER (gpe_number)))) {
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to queue handler for GPE[%2.2X], event is disabled\n", gpe_number));
gpe_event_info))) {
ACPI_REPORT_ERROR ((
"acpi_ev_gpe_dispatch: Unable to queue handler for GPE[%2.2X], event is disabled\n",
gpe_number));
}
}
else {
/* No handler or method to run! */
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: No handler or method for GPE[%2.2X], disabling event\n", gpe_number));
ACPI_REPORT_ERROR ((
"acpi_ev_gpe_dispatch: No handler or method for GPE[%2.2X], disabling event\n",
gpe_number));
/*
* Disable the GPE. The GPE will remain disabled until the ACPI
* Core Subsystem is restarted, or the handler is reinstalled.
*/
status = acpi_hw_disable_gpe (gpe_number);
status = acpi_hw_disable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n", gpe_number));
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n",
gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
}
......@@ -711,10 +365,11 @@ acpi_ev_gpe_dispatch (
/*
* It is now safe to clear level-triggered evnets.
*/
if (gpe_number_info->type & ACPI_EVENT_LEVEL_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_number);
if (gpe_event_info->type & ACPI_EVENT_LEVEL_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n", gpe_number));
ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n",
gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
}
......
drivers/acpi/events/evgpeblk.c 0 → 100644
View file @ 35d48993
/******************************************************************************
*
* Module Name: evgpeblk - GPE block creation and initialization.
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2003, R. Byron Moore
* 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 <acpi/acevents.h>
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME ("evgpe")
/*******************************************************************************
*
* FUNCTION: acpi_ev_save_method_info
*
* PARAMETERS: Callback from walk_namespace
*
* RETURN: None
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* control method under the _GPE portion of the namespace.
* Extract the name and GPE type from the object, saving this
* information for quick lookup during GPE dispatch
*
* The name of each GPE control method is of the form:
* "_Lnn" or "_Enn"
* Where:
* L - means that the GPE is level triggered
* E - means that the GPE is edge triggered
* nn - is the GPE number [in HEX]
*
******************************************************************************/
static acpi_status
acpi_ev_save_method_info (
acpi_handle obj_handle,
u32 level,
void *obj_desc,
void **return_value)
{
struct acpi_gpe_block_info *gpe_block = (void *) obj_desc;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
acpi_status status;
ACPI_FUNCTION_NAME ("ev_save_method_info");
/* Extract the name from the object and convert to a string */
ACPI_MOVE_UNALIGNED32_TO_32 (name,
&((struct acpi_namespace_node *) obj_handle)->name.integer);
name[ACPI_NAME_SIZE] = 0;
/*
* Edge/Level determination is based on the 2nd character of the method name
*/
switch (name[1]) {
case 'L':
type = ACPI_EVENT_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_EVENT_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it! */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unknown GPE method type: %s (name not of form _Lnn or _Enn)\n",
name));
return (AE_OK);
}
/* Convert the last two characters of the name to the GPE Number */
gpe_number = ACPI_STRTOUL (&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not extract GPE number from name: %s (name is not of form _Lnn or _Enn)\n",
name));
return (AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
if ((gpe_number < gpe_block->block_base_number) ||
(gpe_number >= (gpe_block->register_count * 8))) {
/* Not valid, all we can do here is ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"GPE number associated with method %s is not valid\n", name));
return (AE_OK);
}
/*
* Now we can add this information to the gpe_event_info block
* for use during dispatch of this GPE.
*/
gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
gpe_event_info->type = type;
gpe_event_info->method_node = (struct acpi_namespace_node *) obj_handle;
/*
* Enable the GPE (SCIs should be disabled at this point)
*/
status = acpi_hw_enable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
return (status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %2.2X\n",
name, gpe_number));
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_install_gpe_block
*
* PARAMETERS: gpe_block - New GPE block
*
* RETURN: Status
*
* DESCRIPTION: Install new GPE block with mutex support
*
******************************************************************************/
acpi_status
acpi_ev_install_gpe_block (
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_block_info *next_gpe_block;
acpi_status status;
status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (status)) {
return (status);
}
/* Install the new block at the end of the global list */
if (acpi_gbl_gpe_block_list_head) {
next_gpe_block = acpi_gbl_gpe_block_list_head;
while (next_gpe_block->next) {
next_gpe_block = next_gpe_block->next;
}
next_gpe_block->next = gpe_block;
gpe_block->previous = next_gpe_block;
}
else {
acpi_gbl_gpe_block_list_head = gpe_block;
}
status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_create_gpe_info_blocks
*
* PARAMETERS: gpe_block - New GPE block
*
* RETURN: Status
*
* DESCRIPTION: Create the register_info and event_info blocks for this GPE block
*
******************************************************************************/
acpi_status
acpi_ev_create_gpe_info_blocks (
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_register_info *gpe_register_info = NULL;
struct acpi_gpe_event_info *gpe_event_info = NULL;
struct acpi_gpe_event_info *this_event;
struct acpi_gpe_register_info *this_register;
acpi_native_uint i;
acpi_native_uint j;
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_create_gpe_info_blocks");
/* Allocate the GPE register information block */
gpe_register_info = ACPI_MEM_CALLOCATE (
(acpi_size) gpe_block->register_count *
sizeof (struct acpi_gpe_register_info));
if (!gpe_register_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not allocate the gpe_register_info table\n"));
return_ACPI_STATUS (AE_NO_MEMORY);
}
/*
* Allocate the GPE event_info block. There are eight distinct GPEs
* per register. Initialization to zeros is sufficient.
*/
gpe_event_info = ACPI_MEM_CALLOCATE (
((acpi_size) gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) *
sizeof (struct acpi_gpe_event_info));
if (!gpe_event_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the gpe_event_info table\n"));
status = AE_NO_MEMORY;
goto error_exit;
}
/*
* Initialize the GPE Register and Event structures. A goal of these
* tables is to hide the fact that there are two separate GPE register sets
* in a given gpe hardware block, the status registers occupy the first half,
* and the enable registers occupy the second half. Another goal is to hide
* the fact that there may be multiple GPE hardware blocks.
*/
this_register = gpe_register_info;
this_event = gpe_event_info;
for (i = 0; i < gpe_block->register_count; i++) {
/* Init the register_info for this GPE register (8 GPEs) */
this_register->base_gpe_number = (u8) (gpe_block->block_base_number +
(i * ACPI_GPE_REGISTER_WIDTH));
ACPI_STORE_ADDRESS (this_register->status_address.address,
(gpe_block->block_address.address
+ i));
ACPI_STORE_ADDRESS (this_register->enable_address.address,
(gpe_block->block_address.address
+ i
+ gpe_block->register_count));
this_register->status_address.address_space_id = gpe_block->block_address.address_space_id;
this_register->enable_address.address_space_id = gpe_block->block_address.address_space_id;
this_register->status_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
this_register->enable_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
this_register->status_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
this_register->enable_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
/* Init the event_info for each GPE within this register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
this_event->bit_mask = acpi_gbl_decode_to8bit[j];
this_event->register_info = this_register;
this_event++;
}
/*
* Clear the status/enable registers. Note that status registers
* are cleared by writing a '1', while enable registers are cleared
* by writing a '0'.
*/
status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0x00,
&this_register->enable_address, 0);
if (ACPI_FAILURE (status)) {
goto error_exit;
}
status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0xFF,
&this_register->status_address, 0);
if (ACPI_FAILURE (status)) {
goto error_exit;
}
this_register++;
}
gpe_block->register_info = gpe_register_info;
gpe_block->event_info = gpe_event_info;
return_ACPI_STATUS (AE_OK);
error_exit:
if (gpe_register_info) {
ACPI_MEM_FREE (gpe_register_info);
}
if (gpe_event_info) {
ACPI_MEM_FREE (gpe_event_info);
}
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_create_gpe_block
*
* PARAMETERS: TBD
*
* RETURN: Status
*
* DESCRIPTION: Create and Install a block of GPE registers
*
******************************************************************************/
acpi_status
acpi_ev_create_gpe_block (
char *pathname,
struct acpi_generic_address *gpe_block_address,
u32 register_count,
u8 gpe_block_base_number,
u32 interrupt_level)
{
struct acpi_gpe_block_info *gpe_block;
acpi_status status;
acpi_handle obj_handle;
ACPI_FUNCTION_TRACE ("ev_create_gpe_block");
if (!register_count) {
return_ACPI_STATUS (AE_OK);
}
/* Get a handle to the parent object for this GPE block */
status = acpi_get_handle (NULL, pathname, &obj_handle);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/* Allocate a new GPE block */
gpe_block = ACPI_MEM_CALLOCATE (sizeof (struct acpi_gpe_block_info));
if (!gpe_block) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Initialize the new GPE block */
gpe_block->register_count = register_count;
gpe_block->block_base_number = gpe_block_base_number;
ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address, sizeof (struct acpi_generic_address));
/* Create the register_info and event_info sub-structures */
status = acpi_ev_create_gpe_info_blocks (gpe_block);
if (ACPI_FAILURE (status)) {
ACPI_MEM_FREE (gpe_block);
return_ACPI_STATUS (status);
}
/* Install the new block in the global list(s) */
/* TBD: Install block in the interrupt handler list */
status = acpi_ev_install_gpe_block (gpe_block);
if (ACPI_FAILURE (status)) {
ACPI_MEM_FREE (gpe_block);
return_ACPI_STATUS (status);
}
/* Dump info about this GPE block */
ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "GPE Block: %X registers at %8.8X%8.8X\n",
gpe_block->register_count,
ACPI_HIDWORD (gpe_block->block_address.address),
ACPI_LODWORD (gpe_block->block_address.address)));
ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "GPE Block defined as GPE%d to GPE%d\n",
gpe_block->block_base_number,
(u32) (gpe_block->block_base_number +
((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1))));
/* Find all GPE methods (_Lxx, _Exx) for this block */
status = acpi_walk_namespace (ACPI_TYPE_METHOD, obj_handle,
ACPI_UINT32_MAX, acpi_ev_save_method_info,
gpe_block, NULL);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize the GPE data structures
*
******************************************************************************/
acpi_status
acpi_ev_gpe_initialize (void)
{
u32 register_count0 = 0;
u32 register_count1 = 0;
u32 gpe_number_max = 0;
ACPI_FUNCTION_TRACE ("ev_gpe_initialize");
/*
* Initialize the GPE Blocks defined in the FADT
*
* Why the GPE register block lengths are divided by 2: From the ACPI Spec,
* section "General-Purpose Event Registers", we have:
*
* "Each register block contains two registers of equal length
* GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
* GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
* The length of the GPE1_STS and GPE1_EN registers is equal to
* half the GPE1_LEN. If a generic register block is not supported
* then its respective block pointer and block length values in the
* FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
* to be the same size."
*/
/*
* Determine the maximum GPE number for this machine.
*
* Note: both GPE0 and GPE1 are optional, and either can exist without
* the other.
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
if (acpi_gbl_FADT->gpe0_blk_len &&
acpi_gbl_FADT->xgpe0_blk.address) {
/* GPE block 0 exists (has both length and address > 0) */
register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
gpe_number_max = (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
acpi_ev_create_gpe_block ("\\_GPE", &acpi_gbl_FADT->xgpe0_blk,
register_count0, 0, acpi_gbl_FADT->sci_int);
}
if (acpi_gbl_FADT->gpe1_blk_len &&
acpi_gbl_FADT->xgpe1_blk.address) {
/* GPE block 1 exists (has both length and address > 0) */
register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
/* Check for GPE0/GPE1 overlap (if both banks exist) */
if ((register_count0) &&
(gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
ACPI_REPORT_ERROR ((
"GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n",
gpe_number_max, acpi_gbl_FADT->gpe1_base,
acpi_gbl_FADT->gpe1_base +
((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1)));
/* Ignore GPE1 block by setting the register count to zero */
register_count1 = 0;
}
else {
acpi_ev_create_gpe_block ("\\_GPE", &acpi_gbl_FADT->xgpe1_blk,
register_count1, acpi_gbl_FADT->gpe1_base, acpi_gbl_FADT->sci_int);
/*
* GPE0 and GPE1 do not have to be contiguous in the GPE number space,
* But, GPE0 always starts at zero.
*/
gpe_number_max = acpi_gbl_FADT->gpe1_base +
((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
}
}
/* Exit if there are no GPE registers */
if ((register_count0 + register_count1) == 0) {
/* GPEs are not required by ACPI, this is OK */
ACPI_REPORT_INFO (("There are no GPE blocks defined in the FADT\n"));
return_ACPI_STATUS (AE_OK);
}
/* Check for Max GPE number out-of-range */
if (gpe_number_max > ACPI_GPE_MAX) {
ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n",
gpe_number_max));
return_ACPI_STATUS (AE_BAD_VALUE);
}
return_ACPI_STATUS (AE_OK);
}
drivers/acpi/events/evmisc.c
View file @ 35d48993
......@@ -84,84 +84,6 @@ acpi_ev_is_notify_object (
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_register_info
*
* PARAMETERS: gpe_number - Raw GPE number
*
* RETURN: Pointer to the info struct for this GPE register.
*
* DESCRIPTION: Returns the register index (index into the GPE register info
* table) associated with this GPE.
*
******************************************************************************/
struct acpi_gpe_register_info *
acpi_ev_get_gpe_register_info (
u32 gpe_number)
{
if (gpe_number > acpi_gbl_gpe_number_max) {
return (NULL);
}
return (&acpi_gbl_gpe_register_info [ACPI_DIV_8 (acpi_gbl_gpe_number_to_index[gpe_number].number_index)]);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_number_info
*
* PARAMETERS: gpe_number - Raw GPE number
*
* RETURN: None.
*
* DESCRIPTION: Returns the number index (index into the GPE number info table)
* associated with this GPE.
*
******************************************************************************/
struct acpi_gpe_number_info *
acpi_ev_get_gpe_number_info (
u32 gpe_number)
{
if (gpe_number > acpi_gbl_gpe_number_max) {
return (NULL);
}
return (&acpi_gbl_gpe_number_info [acpi_gbl_gpe_number_to_index[gpe_number].number_index]);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_number_index
*
* PARAMETERS: gpe_number - Raw GPE number
*
* RETURN: None.
*
* DESCRIPTION: Returns the number index (index into the GPE number info table)
* associated with this GPE.
*
******************************************************************************/
u32
acpi_ev_get_gpe_number_index (
u32 gpe_number)
{
if (gpe_number > acpi_gbl_gpe_number_max) {
return (ACPI_GPE_INVALID);
}
return (acpi_gbl_gpe_number_to_index[gpe_number].number_index);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_queue_notify_request
......@@ -601,6 +523,9 @@ acpi_ev_terminate (void)
{
acpi_native_uint i;
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_block_info *next_gpe_block;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("ev_terminate");
......@@ -625,13 +550,19 @@ acpi_ev_terminate (void)
/*
* Disable all GPEs
*/
for (i = 0; i < acpi_gbl_gpe_number_max; i++) {
if (acpi_ev_get_gpe_number_index ((u32)i) != ACPI_GPE_INVALID) {
status = acpi_hw_disable_gpe((u32) i);
gpe_block = acpi_gbl_gpe_block_list_head;
while (gpe_block) {
gpe_event_info = gpe_block->event_info;
for (i = 0; i < (gpe_block->register_count * 8); i++) {
status = acpi_hw_disable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable GPE %d\n", (u32) i));
}
gpe_event_info++;
}
gpe_block = gpe_block->next;
}
/*
......@@ -654,21 +585,16 @@ acpi_ev_terminate (void)
}
/*
* Free global tables, etc.
* Free global GPE blocks and related info structures
*/
if (acpi_gbl_gpe_register_info) {
ACPI_MEM_FREE (acpi_gbl_gpe_register_info);
acpi_gbl_gpe_register_info = NULL;
}
if (acpi_gbl_gpe_number_info) {
ACPI_MEM_FREE (acpi_gbl_gpe_number_info);
acpi_gbl_gpe_number_info = NULL;
}
if (acpi_gbl_gpe_number_to_index) {
ACPI_MEM_FREE (acpi_gbl_gpe_number_to_index);
acpi_gbl_gpe_number_to_index = NULL;
gpe_block = acpi_gbl_gpe_block_list_head;
while (gpe_block) {
next_gpe_block = gpe_block->next;
ACPI_MEM_FREE (gpe_block->event_info);
ACPI_MEM_FREE (gpe_block->register_info);
ACPI_MEM_FREE (gpe_block);
gpe_block = next_gpe_block;
}
return_VOID;
......
drivers/acpi/events/evsci.c
View file @ 35d48993
......@@ -69,38 +69,24 @@ acpi_ev_sci_handler (
void *context)
{
u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
u32 value;
acpi_status status;
ACPI_FUNCTION_TRACE("ev_sci_handler");
/*
* Make sure that ACPI is enabled by checking SCI_EN. Note that we are
* required to treat the SCI interrupt as sharable, level, active low.
* We are guaranteed by the ACPI CA initialization/shutdown code that
* if this interrupt handler is installed, ACPI is enabled.
*/
status = acpi_get_register (ACPI_BITREG_SCI_ENABLE, &value, ACPI_MTX_DO_NOT_LOCK);
if (ACPI_FAILURE (status)) {
return (ACPI_INTERRUPT_NOT_HANDLED);
}
if (!value) {
/* ACPI is not enabled; this interrupt cannot be for us */
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
/*
* Fixed acpi_events:
* -------------
* Check for and dispatch any Fixed acpi_events that have occurred
*/
interrupt_handled |= acpi_ev_fixed_event_detect ();
/*
* GPEs:
* -----
* Check for and dispatch any GPEs that have occurred
*/
interrupt_handled |= acpi_ev_gpe_detect ();
......
drivers/acpi/events/evxface.c
View file @ 35d48993
......@@ -492,7 +492,7 @@ acpi_install_gpe_handler (
void *context)
{
acpi_status status;
struct acpi_gpe_number_info *gpe_number_info;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("acpi_install_gpe_handler");
......@@ -506,8 +506,8 @@ acpi_install_gpe_handler (
/* Ensure that we have a valid GPE number */
gpe_number_info = acpi_ev_get_gpe_number_info (gpe_number);
if (!gpe_number_info) {
gpe_event_info = acpi_ev_get_gpe_event_info (gpe_number);
if (!gpe_event_info) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
......@@ -518,25 +518,25 @@ acpi_install_gpe_handler (
/* Make sure that there isn't a handler there already */
if (gpe_number_info->handler) {
if (gpe_event_info->handler) {
status = AE_ALREADY_EXISTS;
goto cleanup;
}
/* Install the handler */
gpe_number_info->handler = handler;
gpe_number_info->context = context;
gpe_number_info->type = (u8) type;
gpe_event_info->handler = handler;
gpe_event_info->context = context;
gpe_event_info->type = (u8) type;
/* Clear the GPE (of stale events), the enable it */
status = acpi_hw_clear_gpe (gpe_number);
status = acpi_hw_clear_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
goto cleanup;
}
status = acpi_hw_enable_gpe (gpe_number);
status = acpi_hw_enable_gpe (gpe_event_info);
cleanup:
......@@ -564,7 +564,7 @@ acpi_remove_gpe_handler (
acpi_gpe_handler handler)
{
acpi_status status;
struct acpi_gpe_number_info *gpe_number_info;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("acpi_remove_gpe_handler");
......@@ -578,14 +578,14 @@ acpi_remove_gpe_handler (
/* Ensure that we have a valid GPE number */
gpe_number_info = acpi_ev_get_gpe_number_info (gpe_number);
if (!gpe_number_info) {
gpe_event_info = acpi_ev_get_gpe_event_info (gpe_number);
if (!gpe_event_info) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Disable the GPE before removing the handler */
status = acpi_hw_disable_gpe (gpe_number);
status = acpi_hw_disable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
......@@ -597,16 +597,16 @@ acpi_remove_gpe_handler (
/* Make sure that the installed handler is the same */
if (gpe_number_info->handler != handler) {
(void) acpi_hw_enable_gpe (gpe_number);
if (gpe_event_info->handler != handler) {
(void) acpi_hw_enable_gpe (gpe_event_info);
status = AE_BAD_PARAMETER;
goto cleanup;
}
/* Remove the handler */
gpe_number_info->handler = NULL;
gpe_number_info->context = NULL;
gpe_event_info->handler = NULL;
gpe_event_info->context = NULL;
cleanup:
......
drivers/acpi/events/evxfevnt.c
View file @ 35d48993
......@@ -163,6 +163,7 @@ acpi_enable_event (
{
acpi_status status = AE_OK;
u32 value;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("acpi_enable_event");
......@@ -209,19 +210,20 @@ acpi_enable_event (
/* Ensure that we have a valid GPE number */
if (acpi_ev_get_gpe_number_index (event) == ACPI_GPE_INVALID) {
gpe_event_info = acpi_ev_get_gpe_event_info (event);
if (!gpe_event_info) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Enable the requested GPE number */
status = acpi_hw_enable_gpe (event);
status = acpi_hw_enable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
if (flags & ACPI_EVENT_WAKE_ENABLE) {
acpi_hw_enable_gpe_for_wakeup (event);
acpi_hw_enable_gpe_for_wakeup (gpe_event_info);
}
break;
......@@ -257,6 +259,7 @@ acpi_disable_event (
{
acpi_status status = AE_OK;
u32 value;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("acpi_disable_event");
......@@ -301,7 +304,8 @@ acpi_disable_event (
/* Ensure that we have a valid GPE number */
if (acpi_ev_get_gpe_number_index (event) == ACPI_GPE_INVALID) {
gpe_event_info = acpi_ev_get_gpe_event_info (event);
if (!gpe_event_info) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
......@@ -311,10 +315,10 @@ acpi_disable_event (
*/
if (flags & ACPI_EVENT_WAKE_DISABLE) {
acpi_hw_disable_gpe_for_wakeup (event);
acpi_hw_disable_gpe_for_wakeup (gpe_event_info);
}
else {
status = acpi_hw_disable_gpe (event);
status = acpi_hw_disable_gpe (gpe_event_info);
}
break;
......@@ -346,6 +350,7 @@ acpi_clear_event (
u32 type)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("acpi_clear_event");
......@@ -375,11 +380,12 @@ acpi_clear_event (
/* Ensure that we have a valid GPE number */
if (acpi_ev_get_gpe_number_index (event) == ACPI_GPE_INVALID) {
gpe_event_info = acpi_ev_get_gpe_event_info (event);
if (!gpe_event_info) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
status = acpi_hw_clear_gpe (event);
status = acpi_hw_clear_gpe (gpe_event_info);
break;
......@@ -415,6 +421,7 @@ acpi_get_event_status (
acpi_event_status *event_status)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
ACPI_FUNCTION_TRACE ("acpi_get_event_status");
......@@ -447,7 +454,8 @@ acpi_get_event_status (
/* Ensure that we have a valid GPE number */
if (acpi_ev_get_gpe_number_index (event) == ACPI_GPE_INVALID) {
gpe_event_info = acpi_ev_get_gpe_event_info (event);
if (!gpe_event_info) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
......@@ -464,3 +472,4 @@ acpi_get_event_status (
return_ACPI_STATUS (status);
}
drivers/acpi/hardware/hwgpe.c
View file @ 35d48993
......@@ -49,26 +49,6 @@
ACPI_MODULE_NAME ("hwgpe")
/******************************************************************************
*
* FUNCTION: acpi_hw_get_gpe_bit_mask
*
* PARAMETERS: gpe_number - The GPE
*
* RETURN: Gpe register bitmask for this gpe level
*
* DESCRIPTION: Get the bitmask for this GPE
*
******************************************************************************/
u8
acpi_hw_get_gpe_bit_mask (
u32 gpe_number)
{
return (acpi_gbl_gpe_number_info [acpi_ev_get_gpe_number_index (gpe_number)].bit_mask);
}
/******************************************************************************
*
* FUNCTION: acpi_hw_enable_gpe
......@@ -83,37 +63,29 @@ acpi_hw_get_gpe_bit_mask (
acpi_status
acpi_hw_enable_gpe (
u32 gpe_number)
struct acpi_gpe_event_info *gpe_event_info)
{
u32 in_byte;
acpi_status status;
struct acpi_gpe_register_info *gpe_register_info;
ACPI_FUNCTION_ENTRY ();
/* Get the info block for the entire GPE register */
gpe_register_info = acpi_ev_get_gpe_register_info (gpe_number);
if (!gpe_register_info) {
return (AE_BAD_PARAMETER);
}
/*
* Read the current value of the register, set the appropriate bit
* to enable the GPE, and write out the new register.
*/
status = acpi_hw_low_level_read (8, &in_byte,
&gpe_register_info->enable_address, 0);
&gpe_event_info->register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
}
/* Write with the new GPE bit enabled */
status = acpi_hw_low_level_write (8, (in_byte | acpi_hw_get_gpe_bit_mask (gpe_number)),
&gpe_register_info->enable_address, 0);
status = acpi_hw_low_level_write (8, (in_byte | gpe_event_info->bit_mask),
&gpe_event_info->register_info->enable_address, 0);
return (status);
}
......@@ -134,7 +106,7 @@ acpi_hw_enable_gpe (
void
acpi_hw_enable_gpe_for_wakeup (
u32 gpe_number)
struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
......@@ -144,7 +116,7 @@ acpi_hw_enable_gpe_for_wakeup (
/* Get the info block for the entire GPE register */
gpe_register_info = acpi_ev_get_gpe_register_info (gpe_number);
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
return;
}
......@@ -152,7 +124,7 @@ acpi_hw_enable_gpe_for_wakeup (
/*
* Set the bit so we will not disable this when sleeping
*/
gpe_register_info->wake_enable |= acpi_hw_get_gpe_bit_mask (gpe_number);
gpe_register_info->wake_enable |= gpe_event_info->bit_mask;
}
......@@ -170,7 +142,7 @@ acpi_hw_enable_gpe_for_wakeup (
acpi_status
acpi_hw_disable_gpe (
u32 gpe_number)
struct acpi_gpe_event_info *gpe_event_info)
{
u32 in_byte;
acpi_status status;
......@@ -182,7 +154,7 @@ acpi_hw_disable_gpe (
/* Get the info block for the entire GPE register */
gpe_register_info = acpi_ev_get_gpe_register_info (gpe_number);
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
return (AE_BAD_PARAMETER);
}
......@@ -199,13 +171,13 @@ acpi_hw_disable_gpe (
/* Write the byte with this GPE bit cleared */
status = acpi_hw_low_level_write (8, (in_byte & ~(acpi_hw_get_gpe_bit_mask (gpe_number))),
status = acpi_hw_low_level_write (8, (in_byte & ~(gpe_event_info->bit_mask)),
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
}
acpi_hw_disable_gpe_for_wakeup(gpe_number);
acpi_hw_disable_gpe_for_wakeup (gpe_event_info);
return (AE_OK);
}
......@@ -225,7 +197,7 @@ acpi_hw_disable_gpe (
void
acpi_hw_disable_gpe_for_wakeup (
u32 gpe_number)
struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
......@@ -235,7 +207,7 @@ acpi_hw_disable_gpe_for_wakeup (
/* Get the info block for the entire GPE register */
gpe_register_info = acpi_ev_get_gpe_register_info (gpe_number);
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
return;
}
......@@ -243,7 +215,7 @@ acpi_hw_disable_gpe_for_wakeup (
/*
* Clear the bit so we will disable this when sleeping
*/
gpe_register_info->wake_enable &= ~(acpi_hw_get_gpe_bit_mask (gpe_number));
gpe_register_info->wake_enable &= ~(gpe_event_info->bit_mask);
}
......@@ -261,28 +233,20 @@ acpi_hw_disable_gpe_for_wakeup (
acpi_status
acpi_hw_clear_gpe (
u32 gpe_number)
struct acpi_gpe_event_info *gpe_event_info)
{
acpi_status status;
struct acpi_gpe_register_info *gpe_register_info;
ACPI_FUNCTION_ENTRY ();
/* Get the info block for the entire GPE register */
gpe_register_info = acpi_ev_get_gpe_register_info (gpe_number);
if (!gpe_register_info) {
return (AE_BAD_PARAMETER);
}
/*
* Write a one to the appropriate bit in the status register to
* clear this GPE.
*/
status = acpi_hw_low_level_write (8, acpi_hw_get_gpe_bit_mask (gpe_number),
&gpe_register_info->status_address, 0);
status = acpi_hw_low_level_write (8, gpe_event_info->bit_mask,
&gpe_event_info->register_info->status_address, 0);
return (status);
}
......@@ -308,6 +272,7 @@ acpi_hw_get_gpe_status (
u32 in_byte;
u8 bit_mask;
struct acpi_gpe_register_info *gpe_register_info;
struct acpi_gpe_event_info *gpe_event_info;
acpi_status status;
acpi_event_status local_event_status = 0;
......@@ -319,16 +284,18 @@ acpi_hw_get_gpe_status (
return (AE_BAD_PARAMETER);
}
/* Get the info block for the entire GPE register */
gpe_register_info = acpi_ev_get_gpe_register_info (gpe_number);
if (!gpe_register_info) {
gpe_event_info = acpi_ev_get_gpe_event_info (gpe_number);
if (!gpe_event_info) {
return (AE_BAD_PARAMETER);
}
/* Get the info block for the entire GPE register */
gpe_register_info = gpe_event_info->register_info;
/* Get the register bitmask for this GPE */
bit_mask = acpi_hw_get_gpe_bit_mask (gpe_number);
bit_mask = gpe_event_info->bit_mask;
/* GPE Enabled? */
......@@ -375,7 +342,7 @@ acpi_hw_get_gpe_status (
*
* DESCRIPTION: Disable all non-wakeup GPEs
* Call with interrupts disabled. The interrupt handler also
* modifies acpi_gbl_gpe_register_info[i].Enable, so it should not be
* modifies gpe_register_info->Enable, so it should not be
* given the chance to run until after non-wake GPEs are
* re-enabled.
*
......@@ -389,40 +356,49 @@ acpi_hw_disable_non_wakeup_gpes (
struct acpi_gpe_register_info *gpe_register_info;
u32 in_value;
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_ENTRY ();
for (i = 0; i < acpi_gbl_gpe_register_count; i++) {
/* Get the info block for the entire GPE register */
gpe_block = acpi_gbl_gpe_block_list_head;
while (gpe_block) {
/* Get the register info for the entire GPE block */
gpe_register_info = &acpi_gbl_gpe_register_info[i];
gpe_register_info = gpe_block->register_info;
if (!gpe_register_info) {
return (AE_BAD_PARAMETER);
}
/*
* Read the enabled status of all GPEs. We
* will be using it to restore all the GPEs later.
*/
status = acpi_hw_low_level_read (8, &in_value,
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
for (i = 0; i < gpe_block->register_count; i++) {
/*
* Read the enabled status of all GPEs. We
* will be using it to restore all the GPEs later.
*/
status = acpi_hw_low_level_read (8, &in_value,
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
}
gpe_register_info->enable = (u8) in_value;
/*
* Disable all GPEs except wakeup GPEs.
*/
status = acpi_hw_low_level_write (8, gpe_register_info->wake_enable,
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
}
gpe_register_info++;
}
gpe_register_info->enable = (u8) in_value;
/*
* Disable all GPEs except wakeup GPEs.
*/
status = acpi_hw_low_level_write (8, gpe_register_info->wake_enable,
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
}
gpe_block = gpe_block->next;
}
return (AE_OK);
}
......@@ -446,28 +422,37 @@ acpi_hw_enable_non_wakeup_gpes (
u32 i;
struct acpi_gpe_register_info *gpe_register_info;
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_ENTRY ();
for (i = 0; i < acpi_gbl_gpe_register_count; i++) {
/* Get the info block for the entire GPE register */
gpe_block = acpi_gbl_gpe_block_list_head;
while (gpe_block) {
/* Get the register info for the entire GPE block */
gpe_register_info = &acpi_gbl_gpe_register_info[i];
gpe_register_info = gpe_block->register_info;
if (!gpe_register_info) {
return (AE_BAD_PARAMETER);
}
/*
* We previously stored the enabled status of all GPEs.
* Blast them back in.
*/
status = acpi_hw_low_level_write (8, gpe_register_info->enable,
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
for (i = 0; i < gpe_block->register_count; i++) {
/*
* We previously stored the enabled status of all GPEs.
* Blast them back in.
*/
status = acpi_hw_low_level_write (8, gpe_register_info->enable,
&gpe_register_info->enable_address, 0);
if (ACPI_FAILURE (status)) {
return (status);
}
gpe_register_info++;
}
gpe_block = gpe_block->next;
}
return (AE_OK);
}
drivers/acpi/hardware/hwregs.c
View file @ 35d48993
......@@ -67,8 +67,8 @@ acpi_status
acpi_hw_clear_acpi_status (void)
{
acpi_native_uint i;
acpi_native_uint gpe_block;
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_TRACE ("hw_clear_acpi_status");
......@@ -100,16 +100,19 @@ acpi_hw_clear_acpi_status (void)
}
}
/* Clear the GPE Bits */
/* Clear the GPE Bits in all GPE registers in all GPE blocks */
for (gpe_block = 0; gpe_block < ACPI_MAX_GPE_BLOCKS; gpe_block++) {
for (i = 0; i < acpi_gbl_gpe_block_info[gpe_block].register_count; i++) {
gpe_block = acpi_gbl_gpe_block_list_head;
while (gpe_block) {
for (i = 0; i < gpe_block->register_count; i++) {
status = acpi_hw_low_level_write (8, 0xFF,
acpi_gbl_gpe_block_info[gpe_block].block_address, (u32) i);
&gpe_block->register_info[i].status_address, (u32) i);
if (ACPI_FAILURE (status)) {
goto unlock_and_exit;
}
}
gpe_block = gpe_block->next;
}
unlock_and_exit:
......
drivers/acpi/hardware/hwsleep.c
View file @ 35d48993
......@@ -250,7 +250,7 @@ acpi_enter_sleep_state (
/* Get current value of PM1A control */
status = acpi_hw_register_read (ACPI_MTX_LOCK, ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
......@@ -268,12 +268,12 @@ acpi_enter_sleep_state (
/* Write #1: fill in SLP_TYP data */
status = acpi_hw_register_write (ACPI_MTX_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
status = acpi_hw_register_write (ACPI_MTX_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
......@@ -287,12 +287,12 @@ acpi_enter_sleep_state (
ACPI_FLUSH_CPU_CACHE ();
status = acpi_hw_register_write (ACPI_MTX_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
status = acpi_hw_register_write (ACPI_MTX_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
......@@ -308,7 +308,7 @@ acpi_enter_sleep_state (
*/
acpi_os_stall (10000000);
status = acpi_hw_register_write (ACPI_MTX_LOCK, ACPI_REGISTER_PM1_CONTROL,
status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_CONTROL,
sleep_enable_reg_info->access_bit_mask);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
......@@ -318,7 +318,7 @@ acpi_enter_sleep_state (
/* Wait until we enter sleep state */
do {
status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_LOCK);
status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_DO_NOT_LOCK);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
......@@ -327,7 +327,7 @@ acpi_enter_sleep_state (
} while (!in_value);
status = acpi_set_register (ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_LOCK);
status = acpi_set_register (ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_DO_NOT_LOCK);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
......@@ -335,6 +335,51 @@ acpi_enter_sleep_state (
return_ACPI_STATUS (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_enter_sleep_state_s4bios
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Perform a S4 bios request.
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
acpi_status
acpi_enter_sleep_state_s4bios (
void)
{
u32 in_value;
acpi_status status;
ACPI_FUNCTION_TRACE ("acpi_enter_sleep_state_s4bios");
acpi_set_register (ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
acpi_hw_clear_acpi_status();
acpi_hw_disable_non_wakeup_gpes();
ACPI_FLUSH_CPU_CACHE();
status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd, (acpi_integer) acpi_gbl_FADT->S4bios_req, 8);
do {
acpi_os_stall(1000);
status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_DO_NOT_LOCK);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
} while (!in_value);
return_ACPI_STATUS (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_leave_sleep_state
......
drivers/acpi/osl.c
View file @ 35d48993
......@@ -514,10 +514,12 @@ acpi_os_write_pci_configuration (
/* TODO: Change code to take advantage of driver model more */
void
acpi_os_derive_pci_id (
acpi_os_derive_pci_id_2 (
acpi_handle rhandle, /* upper bound */
acpi_handle chandle, /* current node */
struct acpi_pci_id **id)
struct acpi_pci_id **id,
int *is_bridge,
u8 *bus_number)
{
acpi_handle handle;
struct acpi_pci_id *pci_id = *id;
......@@ -528,7 +530,7 @@ acpi_os_derive_pci_id (
acpi_get_parent(chandle, &handle);
if (handle != rhandle) {
acpi_os_derive_pci_id(rhandle, handle, &pci_id);
acpi_os_derive_pci_id_2(rhandle, handle, &pci_id, is_bridge, bus_number);
status = acpi_get_type(handle, &type);
if ( (ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE) )
......@@ -539,17 +541,42 @@ acpi_os_derive_pci_id (
pci_id->device = ACPI_HIWORD (ACPI_LODWORD (temp));
pci_id->function = ACPI_LOWORD (ACPI_LODWORD (temp));
if (*is_bridge)
pci_id->bus = *bus_number;
/* any nicer way to get bus number of bridge ? */
status = acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8, 8);
if (ACPI_SUCCESS(status) && (tu8 & 0x7f) == 1) {
if (ACPI_SUCCESS(status) &&
((tu8 & 0x7f) == 1 || (tu8 & 0x7f) == 2)) {
status = acpi_os_read_pci_configuration(pci_id, 0x18, &tu8, 8);
if (!ACPI_SUCCESS(status)) {
/* Certainly broken... FIX ME */
return;
}
*is_bridge = 1;
pci_id->bus = tu8;
status = acpi_os_read_pci_configuration(pci_id, 0x19, &tu8, 8);
if (ACPI_SUCCESS(status))
pci_id->bus = tu8;
}
if (ACPI_SUCCESS(status)) {
*bus_number = tu8;
}
} else
*is_bridge = 0;
}
}
}
void
acpi_os_derive_pci_id (
acpi_handle rhandle, /* upper bound */
acpi_handle chandle, /* current node */
struct acpi_pci_id **id)
{
int is_bridge = 1;
u8 bus_number = (*id)->bus;
acpi_os_derive_pci_id_2(rhandle, chandle, id, &is_bridge, &bus_number);
}
#else /*!CONFIG_ACPI_PCI*/
acpi_status
......
drivers/acpi/pci_link.c
View file @ 35d48993
......@@ -90,42 +90,25 @@ static struct {
PCI Link Device Management
-------------------------------------------------------------------------- */
static int
acpi_pci_link_get_possible (
struct acpi_pci_link *link)
static acpi_status
acpi_pci_link_check_possible (
struct acpi_resource *resource,
void *context)
{
int result = 0;
acpi_status status = AE_OK;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_resource *resource = NULL;
struct acpi_pci_link *link = (struct acpi_pci_link *) context;
int i = 0;
ACPI_FUNCTION_TRACE("acpi_pci_link_get_possible");
if (!link)
return_VALUE(-EINVAL);
status = acpi_get_possible_resources(link->handle, &buffer);
if (ACPI_FAILURE(status) || !buffer.pointer) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRS\n"));
result = -ENODEV;
goto end;
}
resource = (struct acpi_resource *) buffer.pointer;
/* skip past dependent function resource (if present) */
if (resource->id == ACPI_RSTYPE_START_DPF)
resource = ACPI_NEXT_RESOURCE(resource);
ACPI_FUNCTION_TRACE("acpi_pci_link_check_possible");
switch (resource->id) {
case ACPI_RSTYPE_START_DPF:
return AE_OK;
case ACPI_RSTYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
if (!p || !p->number_of_interrupts) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Blank IRQ resource\n"));
result = -ENODEV;
goto end;
return AE_OK;
}
for (i = 0; (i<p->number_of_interrupts && i<ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
......@@ -143,8 +126,7 @@ acpi_pci_link_get_possible (
if (!p || !p->number_of_interrupts) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Blank IRQ resource\n"));
result = -ENODEV;
goto end;
return AE_OK;
}
for (i = 0; (i<p->number_of_interrupts && i<ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
......@@ -159,18 +141,76 @@ acpi_pci_link_get_possible (
default:
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Resource is not an IRQ entry\n"));
result = -ENODEV;
goto end;
break;
return AE_OK;
}
return AE_CTRL_TERMINATE;
}
static int
acpi_pci_link_get_possible (
struct acpi_pci_link *link)
{
acpi_status status;
ACPI_FUNCTION_TRACE("acpi_pci_link_get_possible");
if (!link)
return_VALUE(-EINVAL);
status = acpi_walk_resources(link->handle, METHOD_NAME__PRS,
acpi_pci_link_check_possible, link);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRS\n"));
return_VALUE(-ENODEV);
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Found %d possible IRQs\n", link->irq.possible_count));
end:
acpi_os_free(buffer.pointer);
return_VALUE(0);
}
return_VALUE(result);
static acpi_status
acpi_pci_link_check_current (
struct acpi_resource *resource,
void *context)
{
int *irq = (int *) context;
ACPI_FUNCTION_TRACE("acpi_pci_link_check_current");
switch (resource->id) {
case ACPI_RSTYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
if (!p || !p->number_of_interrupts) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Blank IRQ resource\n"));
return AE_OK;
}
*irq = p->interrupts[0];
break;
}
case ACPI_RSTYPE_EXT_IRQ:
{
struct acpi_resource_ext_irq *p = &resource->data.extended_irq;
if (!p || !p->number_of_interrupts) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Blank IRQ resource\n"));
return AE_OK;
}
*irq = p->interrupts[0];
break;
}
default:
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Resource isn't an IRQ\n"));
return AE_OK;
}
return AE_CTRL_TERMINATE;
}
......@@ -180,8 +220,6 @@ acpi_pci_link_get_current (
{
int result = 0;
acpi_status status = AE_OK;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_resource *resource = NULL;
int irq = 0;
ACPI_FUNCTION_TRACE("acpi_pci_link_get_current");
......@@ -206,47 +244,16 @@ acpi_pci_link_get_current (
* Query and parse _CRS to get the current IRQ assignment.
*/
status = acpi_get_current_resources(link->handle, &buffer);
status = acpi_walk_resources(link->handle, METHOD_NAME__CRS,
acpi_pci_link_check_current, &irq);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _CRS\n"));
result = -ENODEV;
goto end;
}
resource = (struct acpi_resource *) buffer.pointer;
switch (resource->id) {
case ACPI_RSTYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
if (!p || !p->number_of_interrupts) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Blank IRQ resource\n"));
result = -ENODEV;
goto end;
}
irq = p->interrupts[0];
break;
}
case ACPI_RSTYPE_EXT_IRQ:
{
struct acpi_resource_ext_irq *p = &resource->data.extended_irq;
if (!p || !p->number_of_interrupts) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Blank IRQ resource\n"));
result = -ENODEV;
goto end;
}
irq = p->interrupts[0];
break;
}
default:
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Resource isn't an IRQ\n"));
result = -ENODEV;
goto end;
}
if (!irq) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid use of IRQ 0\n"));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No IRQ resource found\n"));
result = -ENODEV;
goto end;
}
......@@ -263,8 +270,6 @@ acpi_pci_link_get_current (
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));
end:
acpi_os_free(buffer.pointer);
return_VALUE(result);
}
......
drivers/acpi/processor.c
View file @ 35d48993
......@@ -1560,7 +1560,7 @@ acpi_processor_get_info (
acpi_status status = 0;
union acpi_object object = {0};
struct acpi_buffer buffer = {sizeof(union acpi_object), &object};
static int cpu_count = 0;
static int cpu_index = 0;
ACPI_FUNCTION_TRACE("acpi_processor_get_info");
......@@ -1570,6 +1570,13 @@ acpi_processor_get_info (
if (num_online_cpus() > 1)
errata.smp = TRUE;
/*
* Extra Processor objects may be enumerated on MP systems with
* less than the max # of CPUs. They should be ignored.
*/
if ((cpu_index + 1) > num_online_cpus())
return_VALUE(-ENODEV);
acpi_processor_errata(pr);
/*
......@@ -1601,7 +1608,7 @@ acpi_processor_get_info (
* TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
* >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c
*/
pr->id = cpu_count++;
pr->id = cpu_index++;
pr->acpi_id = object.processor.proc_id;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
......@@ -1609,21 +1616,17 @@ acpi_processor_get_info (
if (!object.processor.pblk_address)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
else if (object.processor.pblk_length < 4)
else if (object.processor.pblk_length != 6)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n",
object.processor.pblk_length));
else {
pr->throttling.address = object.processor.pblk_address;
pr->throttling.duty_offset = acpi_fadt.duty_offset;
pr->throttling.duty_width = acpi_fadt.duty_width;
if (object.processor.pblk_length >= 5)
pr->power.states[ACPI_STATE_C2].address =
object.processor.pblk_address + 4;
if (object.processor.pblk_length >= 6)
pr->power.states[ACPI_STATE_C3].address =
object.processor.pblk_address + 5;
pr->power.states[ACPI_STATE_C2].address =
object.processor.pblk_address + 4;
pr->power.states[ACPI_STATE_C3].address =
object.processor.pblk_address + 5;
}
acpi_processor_get_power_info(pr);
......
drivers/acpi/resources/rsutils.c
View file @ 35d48993
......@@ -212,6 +212,60 @@ acpi_rs_get_prs_method_data (
}
/*******************************************************************************
*
* FUNCTION: acpi_rs_get_method_data
*
* PARAMETERS: Handle - a handle to the containing object
* ret_buffer - a pointer to a buffer structure for the
* results
*
* RETURN: Status
*
* DESCRIPTION: This function is called to get the _CRS or _PRS value of an
* object contained in an object specified by the handle passed in
*
* If the function fails an appropriate status will be returned
* and the contents of the callers buffer is undefined.
*
******************************************************************************/
acpi_status
acpi_rs_get_method_data (
acpi_handle handle,
char *path,
struct acpi_buffer *ret_buffer)
{
union acpi_operand_object *obj_desc;
acpi_status status;
ACPI_FUNCTION_TRACE ("rs_get_method_data");
/* Parameters guaranteed valid by caller */
/*
* Execute the method, no parameters
*/
status = acpi_ut_evaluate_object (handle, path, ACPI_BTYPE_BUFFER, &obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/*
* Make the call to create a resource linked list from the
* byte stream buffer that comes back from the method
* execution.
*/
status = acpi_rs_create_resource_list (obj_desc, ret_buffer);
/* On exit, we must delete the object returned by evaluate_object */
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_rs_set_srs_method_data
......
drivers/acpi/resources/rsxface.c
View file @ 35d48993
......@@ -210,6 +210,90 @@ acpi_get_possible_resources (
}
/*******************************************************************************
*
* FUNCTION: acpi_walk_resources
*
* PARAMETERS: device_handle - a handle to the device object for the
* device we are querying
* Path - method name of the resources we want
* (METHOD_NAME__CRS or METHOD_NAME__PRS)
* user_function - called for each resource
* Context - passed to user_function
*
* RETURN: Status
*
* DESCRIPTION: Retrieves the current or possible resource list for the
* specified device. The user_function is called once for
* each resource in the list.
*
******************************************************************************/
acpi_status
acpi_walk_resources (
acpi_handle device_handle,
char *path,
ACPI_WALK_RESOURCE_CALLBACK user_function,
void *context)
{
acpi_status status;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_resource *resource;
ACPI_FUNCTION_TRACE ("acpi_walk_resources");
if (!device_handle ||
(ACPI_STRNCMP (path, METHOD_NAME__CRS, sizeof (METHOD_NAME__CRS)) &&
ACPI_STRNCMP (path, METHOD_NAME__PRS, sizeof (METHOD_NAME__PRS)))) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
status = acpi_rs_get_method_data (device_handle, path, &buffer);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
resource = (struct acpi_resource *) buffer.pointer;
for (;;) {
if (!resource || resource->id == ACPI_RSTYPE_END_TAG) {
break;
}
status = user_function (resource, context);
switch (status) {
case AE_OK:
case AE_CTRL_DEPTH:
/* Just keep going */
status = AE_OK;
break;
case AE_CTRL_TERMINATE:
/* Exit now, with OK stats */
status = AE_OK;
goto cleanup;
default:
/* All others are valid exceptions */
goto cleanup;
}
resource = ACPI_NEXT_RESOURCE (resource);
}
cleanup:
acpi_os_free (buffer.pointer);
return_ACPI_STATUS (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_set_current_resources
......@@ -252,3 +336,64 @@ acpi_set_current_resources (
status = acpi_rs_set_srs_method_data (device_handle, in_buffer);
return_ACPI_STATUS (status);
}
#define COPY_FIELD(out, in, field) out->field = in->field
#define COPY_ADDRESS(out, in) \
COPY_FIELD(out, in, resource_type); \
COPY_FIELD(out, in, producer_consumer); \
COPY_FIELD(out, in, decode); \
COPY_FIELD(out, in, min_address_fixed); \
COPY_FIELD(out, in, max_address_fixed); \
COPY_FIELD(out, in, attribute); \
COPY_FIELD(out, in, granularity); \
COPY_FIELD(out, in, min_address_range); \
COPY_FIELD(out, in, max_address_range); \
COPY_FIELD(out, in, address_translation_offset); \
COPY_FIELD(out, in, address_length); \
COPY_FIELD(out, in, resource_source);
/*******************************************************************************
*
* FUNCTION: acpi_resource_to_address64
*
* PARAMETERS: resource - Pointer to a resource
* out - Pointer to the users's return
* buffer (a struct
* struct acpi_resource_address64)
*
* RETURN: Status
*
* DESCRIPTION: If the resource is an address16, address32, or address64,
* copy it to the address64 return buffer. This saves the
* caller from having to duplicate code for different-sized
* addresses.
*
******************************************************************************/
acpi_status
acpi_resource_to_address64 (
struct acpi_resource *resource,
struct acpi_resource_address64 *out)
{
struct acpi_resource_address16 *address16;
struct acpi_resource_address32 *address32;
struct acpi_resource_address64 *address64;
switch (resource->id) {
case ACPI_RSTYPE_ADDRESS16:
address16 = (struct acpi_resource_address16 *) &resource->data;
COPY_ADDRESS(out, address16);
break;
case ACPI_RSTYPE_ADDRESS32:
address32 = (struct acpi_resource_address32 *) &resource->data;
COPY_ADDRESS(out, address32);
break;
case ACPI_RSTYPE_ADDRESS64:
address64 = (struct acpi_resource_address64 *) &resource->data;
COPY_ADDRESS(out, address64);
break;
default:
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
drivers/acpi/sleep/main.c
View file @ 35d48993
......@@ -183,14 +183,21 @@ acpi_system_suspend(
status = acpi_enter_sleep_state(state);
break;
case ACPI_STATE_S2:
#ifdef CONFIG_SOFTWARE_SUSPEND
case ACPI_STATE_S2:
case ACPI_STATE_S3:
do_suspend_lowlevel(0);
break;
#endif
case ACPI_STATE_S4:
do_suspend_lowlevel_s4bios(0);
break;
default:
printk(KERN_WARNING PREFIX "don't know how to handle %d state.\n", state);
break;
}
local_irq_restore(flags);
printk(KERN_CRIT "Back to C!\n");
return status;
}
......@@ -211,21 +218,31 @@ acpi_suspend (
if (state < ACPI_STATE_S1 || state > ACPI_STATE_S5)
return AE_ERROR;
/* Since we handle S4OS via a different path (swsusp), give up if no s4bios. */
if (state == ACPI_STATE_S4 && !acpi_gbl_FACS->S4bios_f)
return AE_ERROR;
/*
* TBD: S1 can be done without device_suspend. Make a CONFIG_XX
* to handle however when S1 failed without device_suspend.
*/
freeze_processes(); /* device_suspend needs processes to be stopped */
/* do we have a wakeup address for S2 and S3? */
if (state == ACPI_STATE_S2 || state == ACPI_STATE_S3) {
/* Here, we support only S4BIOS, those we set the wakeup address */
/* S4OS is only supported for now via swsusp.. */
if (state == ACPI_STATE_S2 || state == ACPI_STATE_S3 || ACPI_STATE_S4) {
if (!acpi_wakeup_address)
return AE_ERROR;
acpi_set_firmware_waking_vector((acpi_physical_address) acpi_wakeup_address);
}
acpi_enter_sleep_state_prep(state);
status = acpi_system_save_state(state);
if (!ACPI_SUCCESS(status))
return status;
acpi_enter_sleep_state_prep(state);
/* disable interrupts and flush caches */
ACPI_DISABLE_IRQS();
ACPI_FLUSH_CPU_CACHE();
......@@ -237,8 +254,8 @@ acpi_suspend (
* mode. So, we run these unconditionaly to make sure we have a usable system
* no matter what.
*/
acpi_system_restore_state(state);
acpi_leave_sleep_state(state);
acpi_system_restore_state(state);
/* make sure interrupts are enabled */
ACPI_ENABLE_IRQS();
......@@ -268,6 +285,10 @@ static int __init acpi_sleep_init(void)
sleep_states[i] = 1;
printk(" S%d", i);
}
if (i == ACPI_STATE_S4 && acpi_gbl_FACS->S4bios_f) {
sleep_states[i] = 1;
printk(" S4bios");
}
}
printk(")\n");
......
drivers/acpi/sleep/proc.c
View file @ 35d48993
......@@ -27,8 +27,11 @@ static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
ACPI_FUNCTION_TRACE("acpi_system_sleep_seq_show");
for (i = 0; i <= ACPI_STATE_S5; i++) {
if (sleep_states[i])
if (sleep_states[i]) {
seq_printf(seq,"S%d ", i);
if (i == ACPI_STATE_S4 && acpi_gbl_FACS->S4bios_f)
seq_printf(seq, "S4bios ");
}
}
seq_puts(seq, "\n");
......
drivers/acpi/tables.c
View file @ 35d48993
......@@ -379,6 +379,7 @@ acpi_table_get_sdt (
sdt.pa = ((struct acpi20_table_rsdp*)rsdp)->xsdt_address;
/* map in just the header */
header = (struct acpi_table_header *)
__acpi_map_table(sdt.pa, sizeof(struct acpi_table_header));
......@@ -387,6 +388,15 @@ acpi_table_get_sdt (
return -ENODEV;
}
/* remap in the entire table before processing */
mapped_xsdt = (struct acpi_table_xsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_xsdt) {
printk(KERN_WARNING PREFIX "Unable to map XSDT\n");
return -ENODEV;
}
header = &mapped_xsdt->header;
if (strncmp(header->signature, "XSDT", 4)) {
printk(KERN_WARNING PREFIX "XSDT signature incorrect\n");
return -ENODEV;
......@@ -404,15 +414,6 @@ acpi_table_get_sdt (
sdt.count = ACPI_MAX_TABLES;
}
mapped_xsdt = (struct acpi_table_xsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_xsdt) {
printk(KERN_WARNING PREFIX "Unable to map XSDT\n");
return -ENODEV;
}
header = &mapped_xsdt->header;
for (i = 0; i < sdt.count; i++)
sdt.entry[i].pa = (unsigned long) mapped_xsdt->entry[i];
}
......@@ -425,6 +426,7 @@ acpi_table_get_sdt (
sdt.pa = rsdp->rsdt_address;
/* map in just the header */
header = (struct acpi_table_header *)
__acpi_map_table(sdt.pa, sizeof(struct acpi_table_header));
if (!header) {
......@@ -432,6 +434,15 @@ acpi_table_get_sdt (
return -ENODEV;
}
/* remap in the entire table before processing */
mapped_rsdt = (struct acpi_table_rsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_rsdt) {
printk(KERN_WARNING PREFIX "Unable to map RSDT\n");
return -ENODEV;
}
header = &mapped_rsdt->header;
if (strncmp(header->signature, "RSDT", 4)) {
printk(KERN_WARNING PREFIX "RSDT signature incorrect\n");
return -ENODEV;
......@@ -449,15 +460,6 @@ acpi_table_get_sdt (
sdt.count = ACPI_MAX_TABLES;
}
mapped_rsdt = (struct acpi_table_rsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_rsdt) {
printk(KERN_WARNING PREFIX "Unable to map RSDT\n");
return -ENODEV;
}
header = &mapped_rsdt->header;
for (i = 0; i < sdt.count; i++)
sdt.entry[i].pa = (unsigned long) mapped_rsdt->entry[i];
}
......@@ -471,12 +473,20 @@ acpi_table_get_sdt (
for (i = 0; i < sdt.count; i++) {
/* map in just the header */
header = (struct acpi_table_header *)
__acpi_map_table(sdt.entry[i].pa,
sizeof(struct acpi_table_header));
if (!header)
continue;
/* remap in the entire table before processing */
header = (struct acpi_table_header *)
__acpi_map_table(sdt.entry[i].pa,
header->length);
if (!header)
continue;
acpi_table_print(header, sdt.entry[i].pa);
if (acpi_table_compute_checksum(header, header->length)) {
......
drivers/acpi/tables/tbconvrt.c
View file @ 35d48993
......@@ -239,9 +239,8 @@ acpi_tb_convert_fadt1 (
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xpm1b_cnt_blk, local_fadt->pm1_cnt_len, local_fadt->V1_pm1b_cnt_blk);
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xpm2_cnt_blk, local_fadt->pm2_cnt_len, local_fadt->V1_pm2_cnt_blk);
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xpm_tmr_blk, local_fadt->pm_tm_len, local_fadt->V1_pm_tmr_blk);
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xgpe0_blk, local_fadt->gpe0_blk_len, local_fadt->V1_gpe0_blk);
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xgpe1_blk, local_fadt->gpe1_blk_len, local_fadt->V1_gpe1_blk);
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xgpe0_blk, 0, local_fadt->V1_gpe0_blk);
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xgpe1_blk, 0, local_fadt->V1_gpe1_blk);
}
......@@ -314,15 +313,16 @@ acpi_tb_convert_fadt2 (
if (!(local_fadt->xgpe0_blk.address)) {
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xgpe0_blk,
local_fadt->gpe0_blk_len, local_fadt->V1_gpe0_blk);
0, local_fadt->V1_gpe0_blk);
}
if (!(local_fadt->xgpe1_blk.address)) {
ASL_BUILD_GAS_FROM_V1_ENTRY (local_fadt->xgpe1_blk,
local_fadt->gpe1_blk_len, local_fadt->V1_gpe1_blk);
0, local_fadt->V1_gpe1_blk);
}
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_convert_table_fadt
......
drivers/acpi/utilities/utcopy.c
View file @ 35d48993
......@@ -645,11 +645,11 @@ acpi_ut_copy_simple_object (
/*
* Allocate and copy the actual buffer if and only if:
* 1) There is a valid buffer (length > 0)
* 1) There is a valid buffer pointer
* 2) The buffer is not static (not in an ACPI table) (in this case,
* the actual pointer was already copied above)
*/
if ((source_desc->buffer.length) &&
if ((source_desc->buffer.pointer) &&
(!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
dest_desc->buffer.pointer = ACPI_MEM_ALLOCATE (source_desc->buffer.length);
if (!dest_desc->buffer.pointer) {
......@@ -665,11 +665,11 @@ acpi_ut_copy_simple_object (
/*
* Allocate and copy the actual string if and only if:
* 1) There is a valid string (length > 0)
* 1) There is a valid string pointer
* 2) The string is not static (not in an ACPI table) (in this case,
* the actual pointer was already copied above)
*/
if ((source_desc->string.length) &&
if ((source_desc->string.pointer) &&
(!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
dest_desc->string.pointer = ACPI_MEM_ALLOCATE ((acpi_size) source_desc->string.length + 1);
if (!dest_desc->string.pointer) {
......
drivers/acpi/utilities/utglobal.c
View file @ 35d48993
......@@ -729,6 +729,10 @@ acpi_ut_init_globals (
acpi_gbl_acpi_mutex_info[i].use_count = 0;
}
/* GPE support */
acpi_gbl_gpe_block_list_head = NULL;
/* Global notify handlers */
acpi_gbl_sys_notify.handler = NULL;
......@@ -766,8 +770,6 @@ acpi_ut_init_globals (
/* Hardware oriented */
acpi_gbl_gpe_register_info = NULL;
acpi_gbl_gpe_number_info = NULL;
acpi_gbl_events_initialized = FALSE;
/* Namespace */
......
drivers/hotplug/acpiphp_glue.c
View file @ 35d48993
......@@ -229,136 +229,55 @@ static int detect_ejectable_slots (acpi_handle *bridge_handle)
/* decode ACPI _CRS data and convert into our internal resource list
* TBD: _TRA, etc.
*/
static void
decode_acpi_resource (struct acpi_resource *resource, struct acpiphp_bridge *bridge)
static acpi_status
decode_acpi_resource (struct acpi_resource *resource, void *context)
{
struct acpi_resource_address16 *address16_data;
struct acpi_resource_address32 *address32_data;
struct acpi_resource_address64 *address64_data;
struct acpiphp_bridge *bridge = (struct acpiphp_bridge *) context;
struct acpi_resource_address64 address;
struct pci_resource *res;
u32 resource_type, producer_consumer, address_length;
u64 min_address_range, max_address_range;
u16 cache_attribute = 0;
int done = 0, found;
/* shut up gcc */
resource_type = producer_consumer = address_length = 0;
min_address_range = max_address_range = 0;
while (!done) {
found = 0;
switch (resource->id) {
case ACPI_RSTYPE_ADDRESS16:
address16_data = (struct acpi_resource_address16 *)&resource->data;
resource_type = address16_data->resource_type;
producer_consumer = address16_data->producer_consumer;
min_address_range = address16_data->min_address_range;
max_address_range = address16_data->max_address_range;
address_length = address16_data->address_length;
if (resource_type == ACPI_MEMORY_RANGE)
cache_attribute = address16_data->attribute.memory.cache_attribute;
found = 1;
break;
if (resource->id != ACPI_RSTYPE_ADDRESS16 &&
resource->id != ACPI_RSTYPE_ADDRESS32 &&
resource->id != ACPI_RSTYPE_ADDRESS64)
return AE_OK;
case ACPI_RSTYPE_ADDRESS32:
address32_data = (struct acpi_resource_address32 *)&resource->data;
resource_type = address32_data->resource_type;
producer_consumer = address32_data->producer_consumer;
min_address_range = address32_data->min_address_range;
max_address_range = address32_data->max_address_range;
address_length = address32_data->address_length;
if (resource_type == ACPI_MEMORY_RANGE)
cache_attribute = address32_data->attribute.memory.cache_attribute;
found = 1;
break;
acpi_resource_to_address64(resource, &address);
case ACPI_RSTYPE_ADDRESS64:
address64_data = (struct acpi_resource_address64 *)&resource->data;
resource_type = address64_data->resource_type;
producer_consumer = address64_data->producer_consumer;
min_address_range = address64_data->min_address_range;
max_address_range = address64_data->max_address_range;
address_length = address64_data->address_length;
if (resource_type == ACPI_MEMORY_RANGE)
cache_attribute = address64_data->attribute.memory.cache_attribute;
found = 1;
break;
if (address.producer_consumer == ACPI_PRODUCER && address.address_length > 0) {
dbg("resource type: %d: 0x%llx - 0x%llx\n", address.resource_type, address.min_address_range, address.max_address_range);
res = acpiphp_make_resource(address.min_address_range,
address.address_length);
if (!res) {
err("out of memory\n");
return AE_OK;
}
case ACPI_RSTYPE_END_TAG:
done = 1;
switch (address.resource_type) {
case ACPI_MEMORY_RANGE:
if (address.attribute.memory.cache_attribute == ACPI_PREFETCHABLE_MEMORY) {
res->next = bridge->p_mem_head;
bridge->p_mem_head = res;
} else {
res->next = bridge->mem_head;
bridge->mem_head = res;
}
break;
case ACPI_IO_RANGE:
res->next = bridge->io_head;
bridge->io_head = res;
break;
case ACPI_BUS_NUMBER_RANGE:
res->next = bridge->bus_head;
bridge->bus_head = res;
break;
default:
/* ignore */
/* invalid type */
kfree(res);
break;
}
resource = (struct acpi_resource *)((char*)resource + resource->length);
if (found && producer_consumer == ACPI_PRODUCER && address_length > 0) {
switch (resource_type) {
case ACPI_MEMORY_RANGE:
if (cache_attribute == ACPI_PREFETCHABLE_MEMORY) {
dbg("resource type: prefetchable memory 0x%x - 0x%x\n", (u32)min_address_range, (u32)max_address_range);
res = acpiphp_make_resource(min_address_range,
address_length);
if (!res) {
err("out of memory\n");
return;
}
res->next = bridge->p_mem_head;
bridge->p_mem_head = res;
} else {
dbg("resource type: memory 0x%x - 0x%x\n", (u32)min_address_range, (u32)max_address_range);
res = acpiphp_make_resource(min_address_range,
address_length);
if (!res) {
err("out of memory\n");
return;
}
res->next = bridge->mem_head;
bridge->mem_head = res;
}
break;
case ACPI_IO_RANGE:
dbg("resource type: io 0x%x - 0x%x\n", (u32)min_address_range, (u32)max_address_range);
res = acpiphp_make_resource(min_address_range,
address_length);
if (!res) {
err("out of memory\n");
return;
}
res->next = bridge->io_head;
bridge->io_head = res;
break;
case ACPI_BUS_NUMBER_RANGE:
dbg("resource type: bus number %d - %d\n", (u32)min_address_range, (u32)max_address_range);
res = acpiphp_make_resource(min_address_range,
address_length);
if (!res) {
err("out of memory\n");
return;
}
res->next = bridge->bus_head;
bridge->bus_head = res;
break;
default:
/* invalid type */
break;
}
}
}
acpiphp_resource_sort_and_combine(&bridge->io_head);
acpiphp_resource_sort_and_combine(&bridge->mem_head);
acpiphp_resource_sort_and_combine(&bridge->p_mem_head);
acpiphp_resource_sort_and_combine(&bridge->bus_head);
dbg("ACPI _CRS resource:\n");
acpiphp_dump_resource(bridge);
return AE_OK;
}
......@@ -476,9 +395,6 @@ static void init_bridge_misc (struct acpiphp_bridge *bridge)
static void add_host_bridge (acpi_handle *handle, int seg, int bus)
{
acpi_status status;
struct acpi_buffer buffer = { .length = ACPI_ALLOCATE_BUFFER,
.pointer = NULL};
struct acpiphp_bridge *bridge;
bridge = kmalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL);
......@@ -501,7 +417,8 @@ static void add_host_bridge (acpi_handle *handle, int seg, int bus)
/* decode resources */
status = acpi_get_current_resources(handle, &buffer);
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
decode_acpi_resource, bridge);
if (ACPI_FAILURE(status)) {
err("failed to decode bridge resources\n");
......@@ -509,8 +426,13 @@ static void add_host_bridge (acpi_handle *handle, int seg, int bus)
return;
}
decode_acpi_resource(buffer.pointer, bridge);
kfree(buffer.pointer);
acpiphp_resource_sort_and_combine(&bridge->io_head);
acpiphp_resource_sort_and_combine(&bridge->mem_head);
acpiphp_resource_sort_and_combine(&bridge->p_mem_head);
acpiphp_resource_sort_and_combine(&bridge->bus_head);
dbg("ACPI _CRS resource:\n");
acpiphp_dump_resource(bridge);
if (bridge->bus_head) {
bridge->bus = bridge->bus_head->base;
......
include/acpi/acconfig.h
View file @ 35d48993
......@@ -72,7 +72,7 @@
/* Version string */
#define ACPI_CA_VERSION 0x20030122
#define ACPI_CA_VERSION 0x20030228
/* Version of ACPI supported */
......
include/acpi/acdebug.h
View file @ 35d48993
......@@ -176,6 +176,9 @@ void
acpi_db_display_resources (
char *object_arg);
void
acpi_db_display_gpes (void);
void
acpi_db_check_integrity (
void);
......@@ -208,6 +211,10 @@ acpi_db_walk_for_specific_objects (
void *context,
void **return_value);
void
acpi_db_generate_gpe (
char *gpe_arg,
char *block_arg);
/*
* dbdisply - debug display commands
......
include/acpi/acevents.h
View file @ 35d48993
......@@ -91,14 +91,6 @@ acpi_status
acpi_ev_init_global_lock_handler (
void);
struct acpi_gpe_register_info *
acpi_ev_get_gpe_register_info (
u32 gpe_number);
struct acpi_gpe_number_info *
acpi_ev_get_gpe_number_info (
u32 gpe_number);
u32
acpi_ev_get_gpe_number_index (
u32 gpe_number);
......@@ -117,17 +109,17 @@ acpi_ev_notify_dispatch (
* Evgpe - GPE handling and dispatch
*/
acpi_status
acpi_ev_gpe_initialize (
void);
struct acpi_gpe_event_info *
acpi_ev_get_gpe_event_info (
u32 gpe_number);
acpi_status
acpi_ev_init_gpe_control_methods (
acpi_ev_gpe_initialize (
void);
u32
acpi_ev_gpe_dispatch (
u32 gpe_number);
struct acpi_gpe_event_info *gpe_event_info);
u32
acpi_ev_gpe_detect (
......
include/acpi/acglobal.h
View file @ 35d48993
......@@ -234,22 +234,7 @@ ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
extern struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
ACPI_EXTERN struct acpi_fixed_event_handler acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
ACPI_EXTERN acpi_handle acpi_gbl_gpe_obj_handle;
ACPI_EXTERN u32 acpi_gbl_gpe_register_count;
ACPI_EXTERN u32 acpi_gbl_gpe_number_max;
ACPI_EXTERN struct acpi_gpe_register_info *acpi_gbl_gpe_register_info;
ACPI_EXTERN struct acpi_gpe_number_info *acpi_gbl_gpe_number_info;
ACPI_EXTERN struct acpi_gpe_block_info acpi_gbl_gpe_block_info[ACPI_MAX_GPE_BLOCKS];
/*
* GPE translation table
* Indexed by the GPE number, returns a valid index into the global GPE tables.
*
* This table is needed because the GPE numbers supported by block 1 do not
* have to be contiguous with the GPE numbers supported by block 0.
*/
ACPI_EXTERN struct acpi_gpe_index_info *acpi_gbl_gpe_number_to_index;
ACPI_EXTERN struct acpi_gpe_block_info *acpi_gbl_gpe_block_list_head;
/*****************************************************************************
......
include/acpi/achware.h
View file @ 35d48993
......@@ -115,29 +115,25 @@ acpi_hw_clear_acpi_status (
/* GPE support */
u8
acpi_hw_get_gpe_bit_mask (
u32 gpe_number);
acpi_status
acpi_hw_enable_gpe (
u32 gpe_number);
struct acpi_gpe_event_info *gpe_event_info);
void
acpi_hw_enable_gpe_for_wakeup (
u32 gpe_number);
struct acpi_gpe_event_info *gpe_event_info);
acpi_status
acpi_hw_disable_gpe (
u32 gpe_number);
struct acpi_gpe_event_info *gpe_event_info);
void
acpi_hw_disable_gpe_for_wakeup (
u32 gpe_number);
struct acpi_gpe_event_info *gpe_event_info);
acpi_status
acpi_hw_clear_gpe (
u32 gpe_number);
struct acpi_gpe_event_info *gpe_event_info);
acpi_status
acpi_hw_get_gpe_status (
......
include/acpi/aclocal.h
View file @ 35d48993
......@@ -308,25 +308,28 @@ struct acpi_create_field_info
*
****************************************************************************/
/* Information about each GPE register block */
/* Information about each particular GPE level */
struct acpi_gpe_block_info
struct acpi_gpe_event_info
{
struct acpi_generic_address *block_address;
u16 register_count;
u8 block_base_number;
struct acpi_namespace_node *method_node; /* Method node for this GPE level */
acpi_gpe_handler handler; /* Address of handler, if any */
void *context; /* Context to be passed to handler */
struct acpi_gpe_register_info *register_info;
u8 type; /* Level or Edge */
u8 bit_mask;
};
/* Information about a particular GPE register pair */
struct acpi_gpe_register_info
{
struct acpi_generic_address status_address; /* Address of status reg */
struct acpi_generic_address enable_address; /* Address of enable reg */
u8 status; /* Current value of status reg */
u8 enable; /* Current value of enable reg */
u8 wake_enable; /* Mask of bits to keep enabled when sleeping */
u8 base_gpe_number; /* Base GPE number for this register */
struct acpi_generic_address status_address; /* Address of status reg */
struct acpi_generic_address enable_address; /* Address of enable reg */
u8 status; /* Current value of status reg */
u8 enable; /* Current value of enable reg */
u8 wake_enable; /* Mask of bits to keep enabled when sleeping */
u8 base_gpe_number; /* Base GPE number for this register */
};
......@@ -334,23 +337,21 @@ struct acpi_gpe_register_info
#define ACPI_GPE_EDGE_TRIGGERED 2
/* Information about each particular GPE level */
/* Information about each GPE register block */
struct acpi_gpe_number_info
struct acpi_gpe_block_info
{
struct acpi_namespace_node *method_node; /* Method node for this GPE level */
acpi_gpe_handler handler; /* Address of handler, if any */
void *context; /* Context to be passed to handler */
u8 type; /* Level or Edge */
u8 bit_mask;
struct acpi_gpe_block_info *previous;
struct acpi_gpe_block_info *next;
struct acpi_gpe_block_info *next_on_interrupt;
struct acpi_gpe_register_info *register_info;
struct acpi_gpe_event_info *event_info;
struct acpi_generic_address block_address;
u32 register_count;
u8 block_base_number;
};
struct acpi_gpe_index_info
{
u8 number_index;
};
/* Information about each particular fixed event */
struct acpi_fixed_event_handler
......
include/acpi/acpixf.h
View file @ 35d48993
......@@ -339,6 +339,12 @@ acpi_get_event_status (
* Resource interfaces
*/
typedef
acpi_status (*ACPI_WALK_RESOURCE_CALLBACK) (
struct acpi_resource *resource,
void *context);
acpi_status
acpi_get_current_resources(
acpi_handle device_handle,
......@@ -349,6 +355,13 @@ acpi_get_possible_resources(
acpi_handle device_handle,
struct acpi_buffer *ret_buffer);
acpi_status
acpi_walk_resources (
acpi_handle device_handle,
char *path,
ACPI_WALK_RESOURCE_CALLBACK user_function,
void *context);
acpi_status
acpi_set_current_resources (
acpi_handle device_handle,
......@@ -359,6 +372,10 @@ acpi_get_irq_routing_table (
acpi_handle bus_device_handle,
struct acpi_buffer *ret_buffer);
acpi_status
acpi_resource_to_address64 (
struct acpi_resource *resource,
struct acpi_resource_address64 *out);
/*
* Hardware (ACPI device) interfaces
......@@ -398,6 +415,10 @@ acpi_status
acpi_enter_sleep_state (
u8 sleep_state);
acpi_status
acpi_enter_sleep_state_s4bios (
void);
acpi_status
acpi_leave_sleep_state (
u8 sleep_state);
......
include/acpi/acresrc.h
View file @ 35d48993
......@@ -65,6 +65,12 @@ acpi_rs_get_prs_method_data (
acpi_handle handle,
struct acpi_buffer *ret_buffer);
acpi_status
acpi_rs_get_method_data (
acpi_handle handle,
char *path,
struct acpi_buffer *ret_buffer);
acpi_status
acpi_rs_set_srs_method_data (
acpi_handle handle,
......
include/acpi/acutils.h
View file @ 35d48993
......@@ -463,6 +463,8 @@ acpi_ut_delete_internal_object_list (
#define METHOD_NAME__SEG "_SEG"
#define METHOD_NAME__BBN "_BBN"
#define METHOD_NAME__PRT "_PRT"
#define METHOD_NAME__CRS "_CRS"
#define METHOD_NAME__PRS "_PRS"
acpi_status
......
include/linux/suspend.h
View file @ 35d48993
......@@ -73,6 +73,7 @@ extern void do_magic_suspend_2(void);
/* Communication between acpi and arch/i386/suspend.c */
extern void do_suspend_lowlevel(int resume);
extern void do_suspend_lowlevel_s4bios(int resume);
#else
static inline void software_suspend(void)
......
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