Files
OpenCellular/common/throttle_ap.c
Bill Richardson bb15561db5 cleanup: DECLARE_CONSOLE_COMMAND only needs 4 args
Since pretty much always, we've declared console commands to take
a "longhelp" argument with detailed explanations of what the
command does. But since almost as long, we've never actually used
that argument for anything - we just silently throw it away in
the macro. There's only one command (usbchargemode) that even
thinks it defines that argument.

We're never going to use this, let's just get rid of it.

BUG=none
BRANCH=none
CQ-DEPEND=CL:*279060
CQ-DEPEND=CL:*279158
CQ-DEPEND=CL:*279037
TEST=make buildall; tested on Cr50 hardware

Everything builds. Since we never used this arg anyway, there had
better not be any difference in the result.

Change-Id: Id3f71a53d02e3dc625cfcc12aa71ecb50e35eb9f
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/374163
Reviewed-by: Myles Watson <mylesgw@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2016-08-24 16:30:10 +00:00

96 lines
2.2 KiB
C

/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Common chipset throttling code for Chrome EC */
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "host_command.h"
#include "task.h"
#include "throttle_ap.h"
#include "util.h"
/* Console output macros */
#define CPUTS(outstr) cputs(CC_CHIPSET, outstr)
#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
/*****************************************************************************/
/* This enforces the virtual OR of all throttling sources. */
static struct mutex throttle_mutex;
static uint32_t throttle_request[NUM_THROTTLE_TYPES];
void throttle_ap(enum throttle_level level,
enum throttle_type type,
enum throttle_sources source)
{
uint32_t tmpval, bitmask;
mutex_lock(&throttle_mutex);
bitmask = (1 << source);
switch (level) {
case THROTTLE_ON:
throttle_request[type] |= bitmask;
break;
case THROTTLE_OFF:
throttle_request[type] &= ~bitmask;
break;
}
tmpval = throttle_request[type]; /* save for printing */
switch (type) {
case THROTTLE_SOFT:
#ifdef HAS_TASK_HOSTCMD
host_throttle_cpu(tmpval);
#endif
break;
case THROTTLE_HARD:
#ifdef CONFIG_CHIPSET_CAN_THROTTLE
chipset_throttle_cpu(tmpval);
#endif
break;
case NUM_THROTTLE_TYPES:
/* Make the compiler shut up. Don't use 'default', because
* we still want to catch any new types.
*/
break;
}
mutex_unlock(&throttle_mutex);
/* print outside the mutex */
CPRINTS("set AP throttling type %d to %s (0x%08x)",
type, tmpval ? "on" : "off", tmpval);
}
/*****************************************************************************/
/* Console commands */
#ifdef CONFIG_CMD_APTHROTTLE
static int command_apthrottle(int argc, char **argv)
{
int i;
uint32_t tmpval;
for (i = 0; i < NUM_THROTTLE_TYPES; i++) {
mutex_lock(&throttle_mutex);
tmpval = throttle_request[i];
mutex_unlock(&throttle_mutex);
ccprintf("AP throttling type %d is %s (0x%08x)\n", i,
tmpval ? "on" : "off", tmpval);
}
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(apthrottle, command_apthrottle,
NULL,
"Display the AP throttling state");
#endif