drivers/gpu/arm/mali400/mali/common/mali_user_settings_db.c

   1 /*
   2  * Copyright (C) 2011-2012 ARM Limited. All rights reserved.
   3  *
   4  * This program is free software and is provided to you under the terms of the GNU General Public License version 2
   5  * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
   6  *
   7  * A copy of the licence is included with the program, and can also be obtained from Free Software
   8  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   9  */
  10
  11 #include "mali_osk.h"
  12 #include "mali_kernel_common.h"
  13 #include "mali_uk_types.h"
  14 #include "mali_user_settings_db.h"
  15 #include "mali_session.h"
  16
  17 static u32 mali_user_settings[_MALI_UK_USER_SETTING_MAX];
  18 const char *_mali_uk_user_setting_descriptions[] = _MALI_UK_USER_SETTING_DESCRIPTIONS;
  19
  20 static void mali_user_settings_notify(_mali_uk_user_setting_t setting, u32 value)
  21 {
  22         struct mali_session_data *session, *tmp;
  23
  24         mali_session_lock();
  25         MALI_SESSION_FOREACH(session, tmp, link)
  26         {
  27                 _mali_osk_notification_t *notobj = _mali_osk_notification_create(_MALI_NOTIFICATION_SETTINGS_CHANGED, sizeof(_mali_uk_settings_changed_s));
  28                 _mali_uk_settings_changed_s *data = notobj->result_buffer;
  29                 data->setting = setting;
  30                 data->value = value;
  31
  32                 mali_session_send_notification(session, notobj);
  33         }
  34         mali_session_unlock();
  35 }
  36
  37 void mali_set_user_setting(_mali_uk_user_setting_t setting, u32 value)
  38 {
  39         mali_bool notify = MALI_FALSE;
  40
  41         MALI_DEBUG_ASSERT(setting < _MALI_UK_USER_SETTING_MAX && setting >= 0);
  42
  43         if (mali_user_settings[setting] != value)
  44         {
  45                 notify = MALI_TRUE;
  46         }
  47
  48         mali_user_settings[setting] = value;
  49
  50         if (notify)
  51         {
  52                 mali_user_settings_notify(setting, value);
  53         }
  54 }
  55
  56 u32 mali_get_user_setting(_mali_uk_user_setting_t setting)
  57 {
  58         MALI_DEBUG_ASSERT(setting < _MALI_UK_USER_SETTING_MAX && setting >= 0);
  59
  60         return mali_user_settings[setting];
  61 }
  62
  63 _mali_osk_errcode_t _mali_ukk_get_user_setting(_mali_uk_get_user_setting_s *args)
  64 {
  65         _mali_uk_user_setting_t setting;
  66         MALI_DEBUG_ASSERT_POINTER(args);
  67
  68         setting = args->setting;
  69
  70         if (0 <= setting && _MALI_UK_USER_SETTING_MAX > setting)
  71         {
  72                 args->value = mali_user_settings[setting];
  73                 return _MALI_OSK_ERR_OK;
  74         }
  75         else
  76         {
  77                 return _MALI_OSK_ERR_INVALID_ARGS;
  78         }
  79 }
  80
  81 _mali_osk_errcode_t _mali_ukk_get_user_settings(_mali_uk_get_user_settings_s *args)
  82 {
  83         MALI_DEBUG_ASSERT_POINTER(args);
  84
  85         _mali_osk_memcpy(args->settings, mali_user_settings, sizeof(mali_user_settings));
  86
  87         return _MALI_OSK_ERR_OK;
  88 }