annotate src/cs/drivers/drv_app/fchg/fchg_ffs_init.c @ 281:a75eefbf8be4

Phone boot with PWON: weed out short button presses Every standard end user phone has a design provision, most naturally implemented in firmware, whereby the PWON button effects a boot only if it is held down long enough - short presses of this PWON button are detected, assumed to be spurious and cause the fw to power back off instead of proceeding with boot. The present change introduces this standard function in FreeCalypso.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 24 Sep 2021 02:03:08 +0000
parents 769cf6273fe4
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
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2 * In this module we implement the loading of the charging config
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3 * and the battery table from FFS.
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4 */
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5
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 #include "fchg/fchg_env.h"
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7 #include "fchg/fchg_func_i.h"
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8 #include "rv/rv_general.h"
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9 #include "rvf/rvf_api.h"
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10 #include "rvm/rvm_use_id_list.h"
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11 #include "ffs/ffs_api.h"
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12
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 void pwr_load_ffs_charging_config(void)
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14 {
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15 int rc;
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16
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17 rc = ffs_file_read("/etc/charging", &pwr_ctrl->config,
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18 sizeof(struct charging_config));
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19 if (rc == sizeof(struct charging_config)) {
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20 pwr_ctrl->config_present = TRUE;
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21 rvf_send_trace(
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22 "FCHG: read charging config from FFS, charging enabled", 53,
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23 NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH,
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24 FCHG_USE_ID);
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25 } else {
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26 pwr_ctrl->config_present = FALSE;
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27 rvf_send_trace(
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28 "FCHG: no charging config in FFS, will not charge", 48,
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29 NULL_PARAM, RV_TRACE_LEVEL_WARNING,
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30 FCHG_USE_ID);
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31 }
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32 }
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33
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34 void pwr_load_ffs_batt_table(void)
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35 {
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36 int rc;
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37
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38 rc = ffs_file_read("/etc/batterytab2", &pwr_ctrl->batt,
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39 sizeof(struct battery_config));
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40 if (rc >= (int)(sizeof(T_PWR_THRESHOLDS) * MIN_PERCENT_THRESH + 4)) {
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41 pwr_ctrl->nb_percent_thresh =
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42 (rc - 4) / sizeof(T_PWR_THRESHOLDS);
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43 rvf_send_trace("FCHG: battery table loaded from FFS", 35,
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44 NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH,
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45 FCHG_USE_ID);
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46 } else {
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47 pwr_set_default_batt_table();
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48 rvf_send_trace("FCHG: using compiled-in default battery table",
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49 45, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH,
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50 FCHG_USE_ID);
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51 }
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52 }
253
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53
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54 void pwr_check_ffs_bsim(void)
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55 {
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56 int rc;
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57
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58 rc = ffs_file_read("/etc/batterysim", &pwr_ctrl->bsim,
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59 sizeof(struct bsim_config));
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60 if (rc == sizeof(struct bsim_config)) {
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61 pwr_ctrl->bsim_mode = TRUE;
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62 rvf_send_trace(
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63 "FCHG: operating in battery simulation mode per FFS config!",
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64 58, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_HIGH,
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65 FCHG_USE_ID);
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66 } else {
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67 pwr_ctrl->bsim_mode = FALSE;
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68 }
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69 }