226 lines
6.9 KiB
C
226 lines
6.9 KiB
C
/*******************************************************************************
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** This file is provided under a dual BSD/GPLv2 license. When using or
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** redistributing this file, you may do so under either license.
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**
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** GPL LICENSE SUMMARY
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**
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** Copyright (c) 2013 Intel Corporation All Rights Reserved
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**
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** This program is free software; you can redistribute it and/or modify it under
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** the terms of version 2 of the GNU General Public License as published by the
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** Free Software Foundation.
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**
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** This program is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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** FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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** details.
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**
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** You should have received a copy of the GNU General Public License along with
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** this program; if not, write to the Free Software Foundation, Inc.,
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** 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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** The full GNU General Public License is included in this distribution in the
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** file called LICENSE.GPL.
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**
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** BSD LICENSE
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**
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** Copyright (c) 2013 Intel Corporation All Rights Reserved
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are met:
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**
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** * Redistributions of source code must retain the above copyright notice, this
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** list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright notice,
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** this list of conditions and the following disclaimer in the documentation
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** and/or other materials provided with the distribution.
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** * Neither the name of Intel Corporation nor the names of its contributors may
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** be used to endorse or promote products derived from this software without
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** specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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** POSSIBILITY OF SUCH DAMAGE.
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**
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*******************************************************************************/
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#ifndef _ESIF_POWER_H_
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#define _ESIF_POWER_H_
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#include "esif_primitive.h"
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#include "esif_dsp.h"
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#define POWER_DEBUG 14 /* Debug Module Level */
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#ifdef ESIF_ATTR_KERNEL
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#define ESIF_TRACE_DYN_POWER(format, ...) \
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ESIF_TRACE_DYN(ESIF_DEBUG_MOD_ELF, POWER_DEBUG, format, ##__VA_ARGS__)
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#endif /* ESIF_ATTR_KERNEL */
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#ifdef ESIF_ATTR_USER
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/*
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* TODO: User mode does not currently support this debug area.
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* Need to update when user mode unified debug infrastructre
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* is in place.
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*/
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#define ESIF_TRACE_DYN_POWER NO_ESIF_DEBUG
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#endif /* ESIF_ATTR_USER */
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/* Power Unit Type */
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enum esif_power_unit_type {
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ESIF_POWER_W = 0, /* Watts */
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ESIF_POWER_DECIW, /* Deci Watts .1 Watts */
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ESIF_POWER_CENTIW, /* Centi Watts .01 Watts */
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ESIF_POWER_MILLIW, /* Milli Watts .001 Watts */
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ESIF_POWER_UNIT_ATOM, /* 1 * (2 ^ RAPL_POWER_UNIT) */
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ESIF_POWER_UNIT_CORE /* 1 / (2 ^ RAPL_POWER_UNIT) */
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};
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/* Power Unit Type String */
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static ESIF_INLINE esif_string esif_power_unit_type_str(
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enum esif_power_unit_type type)
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{
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#define ESIF_CREATE_POWER_UNIT_TYPE(t, str) case t: str = #t; break;
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esif_string str = ESIF_NOT_AVAILABLE;
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switch (type) {
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ESIF_CREATE_POWER_UNIT_TYPE(ESIF_POWER_W, str)
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ESIF_CREATE_POWER_UNIT_TYPE(ESIF_POWER_DECIW, str)
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ESIF_CREATE_POWER_UNIT_TYPE(ESIF_POWER_CENTIW, str)
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ESIF_CREATE_POWER_UNIT_TYPE(ESIF_POWER_MILLIW, str)
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ESIF_CREATE_POWER_UNIT_TYPE(ESIF_POWER_UNIT_ATOM, str)
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ESIF_CREATE_POWER_UNIT_TYPE(ESIF_POWER_UNIT_CORE, str)
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}
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return str;
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}
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/* Power Unit Description */
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static ESIF_INLINE esif_string esif_power_unit_desc(
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enum esif_power_unit_type type)
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{
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#define ESIF_CREATE_POWER_UNIT_DESC(t, td, str) case t: str = td; break;
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esif_string str = ESIF_NOT_AVAILABLE;
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switch (type) {
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ESIF_CREATE_POWER_UNIT_DESC(ESIF_POWER_W, "Watts", str)
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ESIF_CREATE_POWER_UNIT_DESC(ESIF_POWER_DECIW, "DeciW", str)
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ESIF_CREATE_POWER_UNIT_DESC(ESIF_POWER_CENTIW, "CentiW", str)
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ESIF_CREATE_POWER_UNIT_DESC(ESIF_POWER_MILLIW, "MilliW", str)
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ESIF_CREATE_POWER_UNIT_DESC(ESIF_POWER_UNIT_ATOM, "UnitAtom", str)
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ESIF_CREATE_POWER_UNIT_DESC(ESIF_POWER_UNIT_CORE, "UnitCore", str)
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}
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return str;
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}
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/*
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* Select Power Unit To Normalize Power To.
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*/
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/* DPTF Wants Everything In Milli Watts */
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#define NORMALIZE_POWER_UNIT_TYPE ESIF_POWER_MILLIW
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/* Normalize Power To Watts. */
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static ESIF_INLINE int esif_convert_power(
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enum esif_power_unit_type in,
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enum esif_power_unit_type out,
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esif_power_t *power_ptr
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)
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{
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esif_power_t val = 0;
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if (NULL == power_ptr)
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return ESIF_E_PARAMETER_IS_NULL;
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val = *power_ptr;
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if (val == 0 || in == out)
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return ESIF_OK;
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/* For the sake of interger operation, do mutiple before divid
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* (37/8)*1000 = 4000, (34/8)*1000 = 4000 (less precise)
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* (37*1000)/8 = 4625, (34*1000)/8 = 4250 (more precise)
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*/
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/* Convert To Output */
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switch (out) {
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case ESIF_POWER_MILLIW:
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val *= 1000;
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break;
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case ESIF_POWER_CENTIW:
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val *= 100;
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break;
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case ESIF_POWER_DECIW:
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val *= 10;
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break;
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case ESIF_POWER_UNIT_ATOM:
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val *= 32; /* RAPL_POWER_UNIT = 5 1 * (2 ^ POWER_UNIT) = 32 */
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/* LIFU TODO Get Power Unit From GET_RAPL_POWER_UNIT */
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break;
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case ESIF_POWER_UNIT_CORE:
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val *= 8; /* RAPL_POWER_UNIT = 3 1 * (2 ^ POWER_UNIT) = 8 */
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/* LIFU TODO Get Power Unit From GET_RAPL_POWER_UNIT */
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break;
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case ESIF_POWER_W:
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break;
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default:
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return ESIF_E_UNSUPPORTED_RESULT_POWER_TYPE;
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}
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/* Normalize To Watts */
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switch (in) {
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case ESIF_POWER_MILLIW:
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val /= 1000;
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break;
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case ESIF_POWER_CENTIW:
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val /= 100;
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break;
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case ESIF_POWER_DECIW:
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val /= 10;
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break;
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case ESIF_POWER_UNIT_ATOM:
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val /= 32; /* RAPL_POWER_UNIT - 5 1 / (2 ^ (POWER_UNIT) = 32 */
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/* LIFU TODO Get Power Unit From GET_RAPL_POWER_UNIT */
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break;
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case ESIF_POWER_UNIT_CORE:
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val /= 8; /* RAPL_POWER_UNIT = 3 1 / (2 ^ (POWER_UNIT) = 8 */
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/* LIFU TODO Get Power Unit From GET_RAPL_POWER_UNIT */
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break;
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case ESIF_POWER_W:
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break;
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default:
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return ESIF_E_UNSUPPORTED_REQUEST_POWER_TYPE;
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}
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*power_ptr = val;
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return ESIF_OK;
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}
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#endif /* _ESIF_POWER_H_ */
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/******************************************************************************/
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/******************************************************************************/
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/******************************************************************************/
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