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/******************************************************************************
*
* Module Name: processor.h
* $Revision: 13 $
*
*****************************************************************************/
/*
* Copyright (C) 2000, 2001 Andrew Grover
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PR_H__
#define __PR_H__
#include <bm.h>
/*****************************************************************************
* Types & Other Defines
*****************************************************************************/
#define PR_MAX_POWER_STATES 4
#define PR_MAX_THROTTLE_STATES 8
#define PR_MAX_PERF_STATES 32
#define PR_MAX_C2_LATENCY 100
#define PR_MAX_C3_LATENCY 1000
/*
* Commands:
* ---------
*/
#define PR_COMMAND_GET_POWER_INFO ((BM_COMMAND) 0x80)
#define PR_COMMAND_SET_POWER_INFO ((BM_COMMAND) 0x81)
#define PR_COMMAND_GET_PERF_INFO ((BM_COMMAND) 0x82)
#define PR_COMMAND_GET_PERF_STATE ((BM_COMMAND) 0x83)
#define PR_COMMAND_SET_PERF_LIMIT ((BM_COMMAND) 0x84)
/*
* Notifications:
* --------------
*/
#define PR_NOTIFY_PERF_STATES ((BM_NOTIFY) 0x80)
#define PR_NOTIFY_POWER_STATES ((BM_NOTIFY) 0x81)
/*
* Performance Control:
* --------------------
*/
#define PR_PERF_DEC 0x00
#define PR_PERF_INC 0x01
#define PR_PERF_MAX 0xFF
/*
* Power States:
* -------------
*/
#define PR_C0 0x00
#define PR_C1 0x01
#define PR_C2 0x02
#define PR_C3 0x03
#define PR_C1_FLAG 0x01;
#define PR_C2_FLAG 0x02;
#define PR_C3_FLAG 0x04;
/*
* PR_CX_POLICY_VALUES:
* --------------------
*/
typedef struct
{
u32 time_threshold;
u32 count_threshold;
u32 bm_threshold;
u32 target_state;
u32 count;
} PR_CX_POLICY_VALUES;
/*
* PR_CX:
* ------
*/
typedef struct
{
u32 latency;
u32 utilization;
u8 is_valid;
PR_CX_POLICY_VALUES promotion;
PR_CX_POLICY_VALUES demotion;
} PR_CX;
/*
* PR_POWER:
* ---------
*/
typedef struct
{
ACPI_PHYSICAL_ADDRESS p_lvl2;
ACPI_PHYSICAL_ADDRESS p_lvl3;
u32 bm_activity;
u32 active_state;
u32 default_state;
u32 busy_metric;
u32 state_count;
PR_CX state[PR_MAX_POWER_STATES];
} PR_POWER;
/*
* PR_PERFORMANCE_STATE:
* ---------------------
*/
typedef struct
{
u32 performance;
u32 power;
} PR_PERFORMANCE_STATE;
/*
* PR_PERFORMANCE:
* ---------------
*/
typedef struct
{
u32 active_state;
u32 thermal_limit;
u32 power_limit;
u32 state_count;
PR_PERFORMANCE_STATE state[PR_MAX_PERF_STATES];
} PR_PERFORMANCE;
/*
* PR_PBLOCK:
* ----------
*/
typedef struct
{
u32 length;
ACPI_PHYSICAL_ADDRESS address;
} PR_PBLOCK;
/*
* PR_CONTEXT:
* -----------
*/
typedef struct
{
BM_HANDLE device_handle;
acpi_handle acpi_handle;
u32 uid;
PR_PBLOCK pblk;
PR_POWER power;
PR_PERFORMANCE performance;
} PR_CONTEXT;
/******************************************************************************
* Function Prototypes
*****************************************************************************/
/* processor.c */
acpi_status
pr_initialize(void);
acpi_status
pr_terminate(void);
acpi_status
pr_notify (
BM_NOTIFY notify_type,
BM_HANDLE device_handle,
void **context);
acpi_status
pr_request(
BM_REQUEST *request,
void *context);
/* prpower.c */
void
pr_power_idle (void);
acpi_status
pr_power_add_device (
PR_CONTEXT *processor);
acpi_status
pr_power_remove_device (
PR_CONTEXT *processor);
acpi_status
pr_power_initialize (void);
acpi_status
pr_power_terminate (void);
/* prperf.c */
acpi_status
pr_perf_get_state (
PR_CONTEXT *processor,
u32 *state);
acpi_status
pr_perf_set_state (
PR_CONTEXT *processor,
u32 state);
acpi_status
pr_perf_set_limit (
PR_CONTEXT *processor,
u32 limit);
acpi_status
pr_perf_add_device (
PR_CONTEXT *processor);
acpi_status
pr_perf_remove_device (
PR_CONTEXT *processor);
/* Processor Driver OSL */
acpi_status
pr_osl_add_device (
PR_CONTEXT *processor);
acpi_status
pr_osl_remove_device (
PR_CONTEXT *processor);
acpi_status
pr_osl_generate_event (
u32 event,
PR_CONTEXT *processor);
#endif /* __PR_H__ */
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