pwr.c

   1 /**
   2  * This file is part of samsung-ril.
   3  *
   4  * Copyright (C) 2010-2011 Joerie de Gram <j.de.gram@gmail.com>
   5  * Copyright (C) 2011-2012 Paul Kocialkowski <contact@paulk.fr>
   6  *
   7  * samsung-ril is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * samsung-ril is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with samsung-ril.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 #define LOG_TAG "RIL-PWR"
  23 #include <utils/Log.h>
  24
  25 #include "samsung-ril.h"
  26 #include "util.h"
  27
  28 /**
  29  * Out: RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED
  30  *   Modem lets us know it's powered on. Though, it's still in LPM and should
  31  *   be considered as OFF. Send this to update RILJ radio state (OFF)
  32  */
  33 void ipc_pwr_phone_pwr_up(void)
  34 {
  35         ril_data.state.radio_state = RADIO_STATE_OFF;
  36         ril_data.state.power_state = IPC_PWR_PHONE_STATE_LPM;
  37
  38         RIL_START_UNLOCK();
  39 }
  40
  41 void ipc_pwr_phone_reset(void)
  42 {
  43         ril_data.state.radio_state = RADIO_STATE_OFF;
  44         ril_request_unsolicited(RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED, NULL, 0);
  45 }
  46
  47 /**
  48  * In: IPC_PWR_PHONE_STATE
  49  *   Noti from the modem giving current power mode (LPM or NORMAL)
  50  *   LPM = Low Power Mode (airplane mode for instance)
  51  *
  52  * Out: RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED
  53  *   Update radio state according to modem power state
  54  */
  55 void ipc_pwr_phone_state(struct ipc_message_info *info)
  56 {
  57         uint8_t state = *((uint8_t *) info->data);
  58
  59         switch(state)
  60         {
  61                 case IPC_PWR_R(IPC_PWR_PHONE_STATE_LPM):
  62                         LOGD("Got power to LPM");
  63
  64                         if (ril_data.tokens.radio_power != (RIL_Token) 0x00) {
  65                                 ril_request_complete(ril_data.tokens.radio_power, RIL_E_SUCCESS, NULL, 0);
  66                                 ril_data.tokens.radio_power = (RIL_Token) 0x00;
  67                         }
  68
  69                         ril_data.state.radio_state = RADIO_STATE_OFF;
  70                         ril_data.state.power_state = IPC_PWR_PHONE_STATE_LPM;
  71                         ril_request_unsolicited(RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED, NULL, 0);
  72                 break;
  73                 case IPC_PWR_R(IPC_PWR_PHONE_STATE_NORMAL):
  74                         LOGD("Got power to NORMAL");
  75
  76                         if (ril_data.tokens.radio_power != (RIL_Token) 0x00) {
  77                                 ril_request_complete(ril_data.tokens.radio_power, RIL_E_SUCCESS, NULL, 0);
  78                                 ril_data.tokens.radio_power = (RIL_Token) 0x00;
  79                         }
  80
  81                         ril_data.state.radio_state = RADIO_STATE_SIM_NOT_READY;
  82                         ril_data.state.power_state = IPC_PWR_PHONE_STATE_NORMAL;
  83                         ril_request_unsolicited(RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED, NULL, 0);
  84                 break;
  85         }
  86
  87         ril_tokens_check();
  88 }
  89
  90 /**
  91  * In: RIL_REQUEST_RADIO_POWER
  92  *   Request ON or OFF radio power mode
  93  *
  94  * Out: IPC_PWR_PHONE_STATE
  95  *   Order the modem to get in required power mode
  96  */
  97 void ril_request_radio_power(RIL_Token t, void *data, size_t datalen)
  98 {
  99         int power_state = *((int *)data);
 100         unsigned short power_data;
 101
 102         LOGD("requested power_state is %d", power_state);
 103
 104         if (power_state > 0) {
 105                 LOGD("Request power to NORMAL");
 106                 power_data = IPC_PWR_PHONE_STATE_NORMAL;
 107
 108                 ipc_gen_phone_res_expect_to_abort(ril_request_get_id(t), IPC_PWR_PHONE_STATE);
 109                 ipc_fmt_send(IPC_PWR_PHONE_STATE, IPC_TYPE_EXEC, (void *) &power_data, sizeof(power_data), ril_request_get_id(t));
 110
 111                 ril_data.tokens.radio_power = t;
 112         } else {
 113                 LOGD("Request power to LPM");
 114                 power_data = IPC_PWR_PHONE_STATE_LPM;
 115
 116                 ipc_gen_phone_res_expect_to_abort(ril_request_get_id(t), IPC_PWR_PHONE_STATE);
 117                 ipc_fmt_send(IPC_PWR_PHONE_STATE, IPC_TYPE_EXEC, (void *) &power_data, sizeof(power_data), ril_request_get_id(t));
 118
 119                 ril_data.tokens.radio_power = t;
 120         }
 121 }