3f2bc4d6eb
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142 Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/pm_qos_params.h>
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#include <linux/err.h>
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#include <mach/msm_reqs.h>
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struct pm_qos_request_list {
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struct list_head list;
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union {
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s32 value;
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s32 usec;
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s32 kbps;
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};
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int pm_qos_class;
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};
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struct pm_qos_object {
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struct pm_qos_request_list requests;
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struct blocking_notifier_head *notifiers;
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struct miscdevice pm_qos_power_miscdev;
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char *name;
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s32 default_value;
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atomic_t target_value;
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s32 (*comparitor)(s32, s32);
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};
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int msm_pm_qos_add(struct pm_qos_object *class, char *request_name,
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s32 value, void **request_data)
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{
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char *resource_name = class->name;
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/* Non-default requirements are not allowed since, if the resource
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* isn't available yet, the request can't be honoured. */
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BUG_ON(value != class->default_value);
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/* Create an client for a resource. Store the client pointer
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* where request_data points when the the resource is available. */
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*request_data = msm_req_add(resource_name, request_name);
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if (IS_ERR(*request_data))
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return PTR_ERR(*request_data);
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return 0;
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}
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int msm_pm_qos_update(struct pm_qos_object *class, char *request_name,
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s32 value, void **request_data)
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{
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return msm_req_update(*request_data, value);
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}
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int msm_pm_qos_remove(struct pm_qos_object *class, char *request_name,
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s32 value, void **request_data)
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{
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return msm_req_remove(*request_data);
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}
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