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| -rw-r--r-- | sys/kern/cpufreq_if.m | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sys/kern/cpufreq_if.m b/sys/kern/cpufreq_if.m new file mode 100644 index 0000000..de1d531 --- /dev/null +++ b/sys/kern/cpufreq_if.m @@ -0,0 +1,92 @@ +# +# Copyright (c) 2004 Nate Lawson +# 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. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE. +# +# $FreeBSD$ +# + +#include <sys/bus.h> + +INTERFACE cpufreq; + +HEADER { + struct cf_level; + struct cf_setting; +}; + +# cpufreq interface methods + +# +# Set the current CPU frequency level. +# +METHOD int set { + device_t dev; + const struct cf_level *level; + int priority; +}; + +# +# Get the current active level. +# +METHOD int get { + device_t dev; + struct cf_level *level; +}; + +# +# Get the current possible levels, based on all drivers. +# +METHOD int levels { + device_t dev; + struct cf_level *levels; + int *count; +}; + +# Individual frequency driver methods + +# +# Set an individual driver's setting. +# +METHOD int drv_set { + device_t dev; + const struct cf_setting *set; +}; + +# +# Get an individual driver's setting. +# +METHOD int drv_get { + device_t dev; + struct cf_setting *set; +}; + +# +# Get the settings supported by a driver. +# +METHOD int drv_settings { + device_t dev; + struct cf_setting *sets; + int *count; + int *type; +}; |
