| /* |
| * Copyright (c) 2016, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of the Intel Corporation nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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. |
| * |
| * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> |
| */ |
| |
| #ifndef __INCLUDE_CLOCK__ |
| #define __INCLUDE_CLOCK__ |
| |
| #include <sof/notifier.h> |
| #include <stdint.h> |
| |
| #define CLOCK_NOTIFY_PRE 0 |
| #define CLOCK_NOTIFY_POST 1 |
| |
| struct clock_notify_data { |
| uint32_t old_freq; |
| uint32_t old_ticks_per_usec; |
| uint32_t freq; |
| uint32_t ticks_per_usec; |
| }; |
| |
| void clock_enable(int clock); |
| void clock_disable(int clock); |
| |
| uint32_t clock_set_freq(int clock, unsigned int hz); |
| |
| uint32_t clock_get_freq(int clock); |
| |
| uint64_t clock_us_to_ticks(int clock, uint64_t us); |
| uint64_t clock_ms_to_ticks(int clock, uint64_t ms); |
| |
| uint64_t clock_time_elapsed(int clock, uint64_t previous, uint64_t *current); |
| |
| void clock_register_notifier(int clock, struct notifier *notifier); |
| |
| int clock_init(); |
| |
| #endif |