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Upgraded the bus manager interface. It's now capable enough to start actually doing interesting things, like power management, thermal stuff, and hyperthreading.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@11891 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Nathan Whitehorn
2005-03-18 00:41:53 +00:00
parent e5fb71cba9
commit 6d92b10268
3 changed files with 145 additions and 5 deletions
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headers/os/drivers/ACPI.h
+46 -2
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@@ -10,7 +10,7 @@
#include <KernelExport.h>
typedef struct acpi_module_info acpi_module_info;
typedef struct acpi_object_info acpi_object_info;
typedef struct acpi_object_type acpi_object_type;
struct acpi_module_info {
bus_manager_info binfo;
@@ -30,12 +30,25 @@ struct acpi_module_info {
/* Namespace Access */
status_t (*get_next_entry) (uint32 object_type, const char *base, char *result, size_t len, void **counter);
status_t (*get_device) (const char *hid, uint32 index, char *result);
status_t (*get_device_hid) (const char *path, char *hid);
uint32 (*get_object_type) (const char *path);
/* Control method execution and data acquisition */
status_t (*evaluate_object) (const char *object, void *return_value, size_t buf_len);
status_t (*evaluate_object) (const char *object, acpi_object_type *return_value, size_t buf_len);
status_t (*evaluate_method) (const char *object, const char *method, acpi_object_type *return_value, size_t buf_len, acpi_object_type *args, int num_args);
/* Power state setting */
status_t (*enter_sleep_state) (uint8 state);
/* Sleep state values:
0: On (Working)
1: Sleep
2: Software Off
3: Mechanical Off
4: Hibernate
5: Software Off */
};
@@ -71,6 +84,37 @@ enum {
ACPI_TYPE_BUFFER_FIELD
};
/* ACPI control method arg type */
struct acpi_object_type {
uint32 object_type;
union {
uint32 integer;
struct {
uint32 len;
char *string; /* You have to allocate string space yourself */
} string;
struct {
size_t length;
void *buffer;
} buffer;
struct {
uint32 count;
acpi_object_type *objects;
} package;
struct {
uint32 cpu_id;
int pblk_address;
size_t pblk_length;
} processor;
struct {
uint32 min_power_state;
uint32 resource_order;
} power_resource;
} data;
};
#endif
#define B_ACPI_MODULE_NAME "bus_managers/acpi/v1"