Lines Matching +full:micro +full:- +full:volt
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
26 * The root of the list of all opp-tables. All opp_table structures branch off
45 mutex_lock(&opp_table->lock); in _find_opp_dev()
46 list_for_each_entry(opp_dev, &opp_table->dev_list, node) in _find_opp_dev()
47 if (opp_dev->dev == dev) { in _find_opp_dev()
52 mutex_unlock(&opp_table->lock); in _find_opp_dev()
67 return ERR_PTR(-ENODEV); in _find_opp_table_unlocked()
71 * _find_opp_table() - find opp_table struct using device pointer
76 * Return: pointer to 'struct opp_table' if found, otherwise -ENODEV or
77 * -EINVAL based on type of error.
87 return ERR_PTR(-EINVAL); in _find_opp_table()
107 return !WARN_ON(opp_table->clk_count > 1); in assert_single_clk()
116 return opp_table->clk_count > index; in assert_clk_index()
125 return opp_table->path_count > index; in assert_bandwidth_index()
129 * dev_pm_opp_get_bw() - Gets the bandwidth corresponding to an opp
143 if (index >= opp->opp_table->path_count) in dev_pm_opp_get_bw()
146 if (!opp->bandwidth) in dev_pm_opp_get_bw()
149 return peak ? opp->bandwidth[index].peak : opp->bandwidth[index].avg; in dev_pm_opp_get_bw()
154 * dev_pm_opp_get_voltage() - Gets the voltage corresponding to an opp
157 * Return: voltage in micro volt corresponding to the opp, else
169 return opp->supplies[0].u_volt; in dev_pm_opp_get_voltage()
174 * dev_pm_opp_get_supplies() - Gets the supply information corresponding to an opp
189 return -EINVAL; in dev_pm_opp_get_supplies()
192 memcpy(supplies, opp->supplies, in dev_pm_opp_get_supplies()
193 sizeof(*supplies) * opp->opp_table->regulator_count); in dev_pm_opp_get_supplies()
199 * dev_pm_opp_get_power() - Gets the power corresponding to an opp
202 * Return: power in micro watt corresponding to the opp, else
216 for (i = 0; i < opp->opp_table->regulator_count; i++) in dev_pm_opp_get_power()
217 opp_power += opp->supplies[i].u_watt; in dev_pm_opp_get_power()
224 * dev_pm_opp_get_freq_indexed() - Gets the frequency corresponding to an
234 if (IS_ERR_OR_NULL(opp) || index >= opp->opp_table->clk_count) { in dev_pm_opp_get_freq_indexed()
239 return opp->rates[index]; in dev_pm_opp_get_freq_indexed()
244 * dev_pm_opp_get_level() - Gets the level corresponding to an available opp
252 if (IS_ERR_OR_NULL(opp) || !opp->available) { in dev_pm_opp_get_level()
257 return opp->level; in dev_pm_opp_get_level()
262 * dev_pm_opp_get_required_pstate() - Gets the required performance state
273 if (IS_ERR_OR_NULL(opp) || !opp->available || in dev_pm_opp_get_required_pstate()
274 index >= opp->opp_table->required_opp_count) { in dev_pm_opp_get_required_pstate()
279 /* required-opps not fully initialized yet */ in dev_pm_opp_get_required_pstate()
280 if (lazy_linking_pending(opp->opp_table)) in dev_pm_opp_get_required_pstate()
284 if (unlikely(!opp->opp_table->required_opp_tables[index]->is_genpd)) { in dev_pm_opp_get_required_pstate()
289 return opp->required_opps[index]->level; in dev_pm_opp_get_required_pstate()
294 * dev_pm_opp_is_turbo() - Returns if opp is turbo OPP or not
305 if (IS_ERR_OR_NULL(opp) || !opp->available) { in dev_pm_opp_is_turbo()
310 return opp->turbo; in dev_pm_opp_is_turbo()
315 * dev_pm_opp_get_max_clock_latency() - Get max clock latency in nanoseconds
329 clock_latency_ns = opp_table->clock_latency_ns_max; in dev_pm_opp_get_max_clock_latency()
338 * dev_pm_opp_get_max_volt_latency() - Get max voltage latency in nanoseconds
360 if (!opp_table->regulators) in dev_pm_opp_get_max_volt_latency()
363 count = opp_table->regulator_count; in dev_pm_opp_get_max_volt_latency()
369 mutex_lock(&opp_table->lock); in dev_pm_opp_get_max_volt_latency()
375 list_for_each_entry(opp, &opp_table->opp_list, node) { in dev_pm_opp_get_max_volt_latency()
376 if (!opp->available) in dev_pm_opp_get_max_volt_latency()
379 if (opp->supplies[i].u_volt_min < uV[i].min) in dev_pm_opp_get_max_volt_latency()
380 uV[i].min = opp->supplies[i].u_volt_min; in dev_pm_opp_get_max_volt_latency()
381 if (opp->supplies[i].u_volt_max > uV[i].max) in dev_pm_opp_get_max_volt_latency()
382 uV[i].max = opp->supplies[i].u_volt_max; in dev_pm_opp_get_max_volt_latency()
386 mutex_unlock(&opp_table->lock); in dev_pm_opp_get_max_volt_latency()
393 reg = opp_table->regulators[i]; in dev_pm_opp_get_max_volt_latency()
408 * dev_pm_opp_get_max_transition_latency() - Get max transition latency in
423 * dev_pm_opp_get_suspend_opp_freq() - Get frequency of suspend opp in Hz
438 if (opp_table->suspend_opp && opp_table->suspend_opp->available) in dev_pm_opp_get_suspend_opp_freq()
439 freq = dev_pm_opp_get_freq(opp_table->suspend_opp); in dev_pm_opp_get_suspend_opp_freq()
452 mutex_lock(&opp_table->lock); in _get_opp_count()
454 list_for_each_entry(opp, &opp_table->opp_list, node) { in _get_opp_count()
455 if (opp->available) in _get_opp_count()
459 mutex_unlock(&opp_table->lock); in _get_opp_count()
465 * dev_pm_opp_get_opp_count() - Get number of opps available in the opp table
494 return opp->rates[index]; in _read_freq()
499 return opp->level; in _read_level()
504 return opp->bandwidth[index].peak; in _read_bw()
548 struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE); in _opp_table_find_key()
552 return ERR_PTR(-EINVAL); in _opp_table_find_key()
554 mutex_lock(&opp_table->lock); in _opp_table_find_key()
556 list_for_each_entry(temp_opp, &opp_table->opp_list, node) { in _opp_table_find_key()
557 if (temp_opp->available == available) { in _opp_table_find_key()
569 mutex_unlock(&opp_table->lock); in _opp_table_find_key()
640 * dev_pm_opp_find_freq_exact() - search for an exact frequency
643 * @available: true/false - match for available opp
671 * dev_pm_opp_find_freq_exact_indexed() - Search for an exact freq for the
676 * @available: true/false - match for available opp
707 * dev_pm_opp_find_freq_ceil() - Search for an rounded ceil freq
732 * dev_pm_opp_find_freq_ceil_indexed() - Search for a rounded ceil freq for the
761 * dev_pm_opp_find_freq_floor() - Search for a rounded floor freq
786 * dev_pm_opp_find_freq_floor_indexed() - Search for a rounded floor freq for the
814 * dev_pm_opp_find_level_exact() - search for an exact level
836 * dev_pm_opp_find_level_ceil() - search for an rounded up level
864 return ERR_PTR(-ENODEV); in dev_pm_opp_find_level_ceil()
873 * dev_pm_opp_find_level_floor() - Search for a rounded floor level
903 * dev_pm_opp_find_bw_ceil() - Search for a rounded ceil bandwidth
935 * dev_pm_opp_find_bw_floor() - Search for a rounded floor bandwidth
979 supply->u_volt_min, supply->u_volt, supply->u_volt_max); in _set_opp_voltage()
981 ret = regulator_set_voltage_triplet(reg, supply->u_volt_min, in _set_opp_voltage()
982 supply->u_volt, supply->u_volt_max); in _set_opp_voltage()
985 __func__, supply->u_volt_min, supply->u_volt, in _set_opp_voltage()
986 supply->u_volt_max, ret); in _set_opp_voltage()
1003 freq = opp->rates[0]; in _opp_config_clk_single()
1006 return -EINVAL; in _opp_config_clk_single()
1009 ret = clk_set_rate(opp_table->clk, freq); in _opp_config_clk_single()
1014 opp_table->current_rate_single_clk = freq; in _opp_config_clk_single()
1031 for (i = opp_table->clk_count - 1; i >= 0; i--) { in dev_pm_opp_config_clks_simple()
1032 ret = clk_set_rate(opp_table->clks[i], opp->rates[i]); in dev_pm_opp_config_clks_simple()
1040 for (i = 0; i < opp_table->clk_count; i++) { in dev_pm_opp_config_clks_simple()
1041 ret = clk_set_rate(opp_table->clks[i], opp->rates[i]); in dev_pm_opp_config_clks_simple()
1064 return -EINVAL; in _opp_config_regulator_single()
1067 ret = _set_opp_voltage(dev, reg, new_opp->supplies); in _opp_config_regulator_single()
1073 * some boot-enabled regulators. in _opp_config_regulator_single()
1075 if (unlikely(!new_opp->opp_table->enabled)) { in _opp_config_regulator_single()
1090 if (!opp_table->paths) in _set_opp_bw()
1093 for (i = 0; i < opp_table->path_count; i++) { in _set_opp_bw()
1098 avg = opp->bandwidth[i].avg; in _set_opp_bw()
1099 peak = opp->bandwidth[i].peak; in _set_opp_bw()
1101 ret = icc_set_bw(opp_table->paths[i], avg, peak); in _set_opp_bw()
1118 if (opp->level == OPP_LEVEL_UNSET) in _set_opp_level()
1121 level = opp->level; in _set_opp_level()
1137 struct device **devs = opp_table->required_devs; in _set_required_opps()
1144 /* required-opps not fully initialized yet */ in _set_required_opps()
1146 return -EBUSY; in _set_required_opps()
1151 target = opp_table->required_opp_count; in _set_required_opps()
1154 index = opp_table->required_opp_count - 1; in _set_required_opps()
1155 target = -1; in _set_required_opps()
1156 delta = -1; in _set_required_opps()
1161 required_opp = opp ? opp->required_opps[index] : NULL; in _set_required_opps()
1176 struct dev_pm_opp *opp = ERR_PTR(-ENODEV); in _find_current_opp()
1179 if (!IS_ERR(opp_table->clk)) { in _find_current_opp()
1180 freq = clk_get_rate(opp_table->clk); in _find_current_opp()
1190 mutex_lock(&opp_table->lock); in _find_current_opp()
1191 opp = list_first_entry(&opp_table->opp_list, struct dev_pm_opp, node); in _find_current_opp()
1193 mutex_unlock(&opp_table->lock); in _find_current_opp()
1196 opp_table->current_opp = opp; in _find_current_opp()
1203 if (!opp_table->enabled) in _disable_opp_table()
1218 if (opp_table->regulators) in _disable_opp_table()
1219 regulator_disable(opp_table->regulators[0]); in _disable_opp_table()
1228 opp_table->enabled = false; in _disable_opp_table()
1242 if (unlikely(!opp_table->current_opp)) in _set_opp()
1245 old_opp = opp_table->current_opp; in _set_opp()
1248 if (!forced && old_opp == opp && opp_table->enabled) { in _set_opp()
1253 dev_dbg(dev, "%s: switching OPP: Freq %lu -> %lu Hz, Level %u -> %u, Bw %u -> %u\n", in _set_opp()
1254 __func__, old_opp->rates[0], opp->rates[0], old_opp->level, in _set_opp()
1255 opp->level, old_opp->bandwidth ? old_opp->bandwidth[0].peak : 0, in _set_opp()
1256 opp->bandwidth ? opp->bandwidth[0].peak : 0); in _set_opp()
1259 if (scaling_down == -1) in _set_opp()
1280 if (opp_table->config_regulators) { in _set_opp()
1281 ret = opp_table->config_regulators(dev, old_opp, opp, in _set_opp()
1282 opp_table->regulators, in _set_opp()
1283 opp_table->regulator_count); in _set_opp()
1292 if (opp_table->config_clks) { in _set_opp()
1293 ret = opp_table->config_clks(dev, opp_table, opp, clk_data, scaling_down); in _set_opp()
1300 if (opp_table->config_regulators) { in _set_opp()
1301 ret = opp_table->config_regulators(dev, old_opp, opp, in _set_opp()
1302 opp_table->regulators, in _set_opp()
1303 opp_table->regulator_count); in _set_opp()
1328 opp_table->enabled = true; in _set_opp()
1333 opp_table->current_opp = opp; in _set_opp()
1339 * dev_pm_opp_set_rate() - Configure new OPP based on frequency
1343 * This configures the power-supplies to the levels specified by the OPP
1372 ret = opp_table->config_clks(dev, opp_table, NULL, in dev_pm_opp_set_rate()
1377 freq = clk_round_rate(opp_table->clk, target_freq); in dev_pm_opp_set_rate()
1402 forced = opp_table->current_rate_single_clk != freq; in dev_pm_opp_set_rate()
1417 * dev_pm_opp_set_opp() - Configure device for OPP
1444 /* OPP-dev Helpers */
1449 list_del(&opp_dev->node); in _remove_opp_dev()
1462 /* Initialize opp-dev */ in _add_opp_dev()
1463 opp_dev->dev = dev; in _add_opp_dev()
1465 mutex_lock(&opp_table->lock); in _add_opp_dev()
1466 list_add(&opp_dev->node, &opp_table->dev_list); in _add_opp_dev()
1467 mutex_unlock(&opp_table->lock); in _add_opp_dev()
1487 return ERR_PTR(-ENOMEM); in _allocate_opp_table()
1489 mutex_init(&opp_table->lock); in _allocate_opp_table()
1490 INIT_LIST_HEAD(&opp_table->dev_list); in _allocate_opp_table()
1491 INIT_LIST_HEAD(&opp_table->lazy); in _allocate_opp_table()
1493 opp_table->clk = ERR_PTR(-ENODEV); in _allocate_opp_table()
1496 opp_table->regulator_count = -1; in _allocate_opp_table()
1500 ret = -ENOMEM; in _allocate_opp_table()
1509 if (ret == -EPROBE_DEFER) in _allocate_opp_table()
1516 BLOCKING_INIT_NOTIFIER_HEAD(&opp_table->head); in _allocate_opp_table()
1517 INIT_LIST_HEAD(&opp_table->opp_list); in _allocate_opp_table()
1518 kref_init(&opp_table->kref); in _allocate_opp_table()
1525 mutex_destroy(&opp_table->lock); in _allocate_opp_table()
1541 if (!getclk || IS_ERR(opp_table) || !IS_ERR(opp_table->clk) || in _update_opp_table_clk()
1542 opp_table->clks) in _update_opp_table_clk()
1546 opp_table->clk = clk_get(dev, NULL); in _update_opp_table_clk()
1548 ret = PTR_ERR_OR_ZERO(opp_table->clk); in _update_opp_table_clk()
1550 opp_table->config_clks = _opp_config_clk_single; in _update_opp_table_clk()
1551 opp_table->clk_count = 1; in _update_opp_table_clk()
1555 if (ret == -ENOENT) { in _update_opp_table_clk()
1561 * contain "opp-hz" property though, which we need to parse and in _update_opp_table_clk()
1566 * frequency in opp->rates and also parse the entries in DT. in _update_opp_table_clk()
1568 opp_table->clk_count = 1; in _update_opp_table_clk()
1626 opp_table = ERR_PTR(-ENOMEM); in _add_opp_table_indexed()
1635 list_add(&opp_table->node, &opp_tables); in _add_opp_table_indexed()
1664 list_del(&opp_table->node); in _opp_table_kref_release()
1667 if (opp_table->current_opp) in _opp_table_kref_release()
1668 dev_pm_opp_put(opp_table->current_opp); in _opp_table_kref_release()
1673 if (!IS_ERR(opp_table->clk)) in _opp_table_kref_release()
1674 clk_put(opp_table->clk); in _opp_table_kref_release()
1676 if (opp_table->paths) { in _opp_table_kref_release()
1677 for (i = 0; i < opp_table->path_count; i++) in _opp_table_kref_release()
1678 icc_put(opp_table->paths[i]); in _opp_table_kref_release()
1679 kfree(opp_table->paths); in _opp_table_kref_release()
1682 WARN_ON(!list_empty(&opp_table->opp_list)); in _opp_table_kref_release()
1684 list_for_each_entry_safe(opp_dev, temp, &opp_table->dev_list, node) in _opp_table_kref_release()
1687 mutex_destroy(&opp_table->lock); in _opp_table_kref_release()
1693 kref_get(&opp_table->kref); in _get_opp_table_kref()
1704 kref_put_mutex(&opp_table->kref, _opp_table_kref_release, in dev_pm_opp_put_opp_table()
1717 struct opp_table *opp_table = opp->opp_table; in _opp_kref_release()
1719 list_del(&opp->node); in _opp_kref_release()
1720 mutex_unlock(&opp_table->lock); in _opp_kref_release()
1726 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_REMOVE, opp); in _opp_kref_release()
1734 kref_get(&opp->kref); in dev_pm_opp_get()
1740 kref_put_mutex(&opp->kref, _opp_kref_release, &opp->opp_table->lock); in dev_pm_opp_put()
1745 * dev_pm_opp_remove() - Remove an OPP from OPP table
1763 mutex_lock(&opp_table->lock); in dev_pm_opp_remove()
1765 list_for_each_entry(iter, &opp_table->opp_list, node) { in dev_pm_opp_remove()
1766 if (iter->rates[0] == freq) { in dev_pm_opp_remove()
1772 mutex_unlock(&opp_table->lock); in dev_pm_opp_remove()
1795 mutex_lock(&opp_table->lock); in _opp_get_next()
1796 list_for_each_entry(temp, &opp_table->opp_list, node) { in _opp_get_next()
1801 if (!temp->removed && dynamic == temp->dynamic) { in _opp_get_next()
1807 mutex_unlock(&opp_table->lock); in _opp_get_next()
1814 * called without the opp_table->lock held.
1821 opp->removed = true; in _opp_remove_all()
1832 mutex_lock(&opp_table->lock); in _opp_remove_all_static()
1834 if (!opp_table->parsed_static_opps) { in _opp_remove_all_static()
1835 mutex_unlock(&opp_table->lock); in _opp_remove_all_static()
1839 if (--opp_table->parsed_static_opps) { in _opp_remove_all_static()
1840 mutex_unlock(&opp_table->lock); in _opp_remove_all_static()
1844 mutex_unlock(&opp_table->lock); in _opp_remove_all_static()
1851 * dev_pm_opp_remove_all_dynamic() - Remove all dynamically created OPPs
1877 supply_count = opp_table->regulator_count > 0 ? in _opp_allocate()
1878 opp_table->regulator_count : 1; in _opp_allocate()
1879 supply_size = sizeof(*opp->supplies) * supply_count; in _opp_allocate()
1880 clk_size = sizeof(*opp->rates) * opp_table->clk_count; in _opp_allocate()
1881 icc_size = sizeof(*opp->bandwidth) * opp_table->path_count; in _opp_allocate()
1889 opp->supplies = (struct dev_pm_opp_supply *)(opp + 1); in _opp_allocate()
1891 opp->rates = (unsigned long *)(opp->supplies + supply_count); in _opp_allocate()
1894 opp->bandwidth = (struct dev_pm_opp_icc_bw *)(opp->rates + opp_table->clk_count); in _opp_allocate()
1896 INIT_LIST_HEAD(&opp->node); in _opp_allocate()
1898 opp->level = OPP_LEVEL_UNSET; in _opp_allocate()
1909 if (!opp_table->regulators) in _opp_supported_by_regulators()
1912 for (i = 0; i < opp_table->regulator_count; i++) { in _opp_supported_by_regulators()
1913 reg = opp_table->regulators[i]; in _opp_supported_by_regulators()
1916 opp->supplies[i].u_volt_min, in _opp_supported_by_regulators()
1917 opp->supplies[i].u_volt_max)) { in _opp_supported_by_regulators()
1919 __func__, opp->supplies[i].u_volt_min, in _opp_supported_by_regulators()
1920 opp->supplies[i].u_volt_max); in _opp_supported_by_regulators()
1933 for (i = 0; i < opp_table->clk_count; i++) { in _opp_compare_rate()
1934 if (opp1->rates[i] != opp2->rates[i]) in _opp_compare_rate()
1935 return opp1->rates[i] < opp2->rates[i] ? -1 : 1; in _opp_compare_rate()
1947 for (i = 0; i < opp_table->path_count; i++) { in _opp_compare_bw()
1948 if (opp1->bandwidth[i].peak != opp2->bandwidth[i].peak) in _opp_compare_bw()
1949 return opp1->bandwidth[i].peak < opp2->bandwidth[i].peak ? -1 : 1; in _opp_compare_bw()
1960 * -1: opp1 < opp2
1975 if (opp1->level != opp2->level) in _opp_compare_key()
1976 return opp1->level < opp2->level ? -1 : 1; in _opp_compare_key()
1993 * Need to use &opp_table->opp_list in the condition part of the 'for' in _opp_is_duplicate()
1997 list_for_each_entry(opp, &opp_table->opp_list, node) { in _opp_is_duplicate()
2000 *head = &opp->node; in _opp_is_duplicate()
2008 …v, "%s: duplicate OPPs detected. Existing: freq: %lu, volt: %lu, enabled: %d. New: freq: %lu, volt… in _opp_is_duplicate()
2009 __func__, opp->rates[0], opp->supplies[0].u_volt, in _opp_is_duplicate()
2010 opp->available, new_opp->rates[0], in _opp_is_duplicate()
2011 new_opp->supplies[0].u_volt, new_opp->available); in _opp_is_duplicate()
2014 return opp->available && in _opp_is_duplicate()
2015 new_opp->supplies[0].u_volt == opp->supplies[0].u_volt ? -EBUSY : -EEXIST; in _opp_is_duplicate()
2026 if (opp->required_opps[i]->available) in _required_opps_available()
2029 opp->available = false; in _required_opps_available()
2031 __func__, opp->required_opps[i]->np, opp->rates[0]); in _required_opps_available()
2039 * -EBUSY: For OPP with same freq/volt and is available. The callers of
2040 * _opp_add() must return 0 if they receive -EBUSY from it. This is to make
2043 * -EEXIST: For OPP with same freq but different volt or is unavailable. This
2052 mutex_lock(&opp_table->lock); in _opp_add()
2053 head = &opp_table->opp_list; in _opp_add()
2057 mutex_unlock(&opp_table->lock); in _opp_add()
2061 list_add(&new_opp->node, head); in _opp_add()
2062 mutex_unlock(&opp_table->lock); in _opp_add()
2064 new_opp->opp_table = opp_table; in _opp_add()
2065 kref_init(&new_opp->kref); in _opp_add()
2070 new_opp->available = false; in _opp_add()
2072 __func__, new_opp->rates[0]); in _opp_add()
2075 /* required-opps not fully initialized yet */ in _opp_add()
2079 _required_opps_available(new_opp, opp_table->required_opp_count); in _opp_add()
2085 * _opp_add_v1() - Allocate a OPP based on v1 bindings.
2100 * Duplicate OPPs (both freq and volt are same) and opp->available
2101 * -EEXIST Freq are same and volt are different OR
2102 * Duplicate OPPs (both freq and volt are same) and !opp->available
2103 * -ENOMEM Memory allocation failure
2109 unsigned long tol, u_volt = data->u_volt; in _opp_add_v1()
2113 return -EINVAL; in _opp_add_v1()
2117 return -ENOMEM; in _opp_add_v1()
2120 new_opp->rates[0] = data->freq; in _opp_add_v1()
2121 new_opp->level = data->level; in _opp_add_v1()
2122 new_opp->turbo = data->turbo; in _opp_add_v1()
2123 tol = u_volt * opp_table->voltage_tolerance_v1 / 100; in _opp_add_v1()
2124 new_opp->supplies[0].u_volt = u_volt; in _opp_add_v1()
2125 new_opp->supplies[0].u_volt_min = u_volt - tol; in _opp_add_v1()
2126 new_opp->supplies[0].u_volt_max = u_volt + tol; in _opp_add_v1()
2127 new_opp->available = true; in _opp_add_v1()
2128 new_opp->dynamic = dynamic; in _opp_add_v1()
2133 if (ret == -EBUSY) in _opp_add_v1()
2142 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ADD, new_opp); in _opp_add_v1()
2154 * OPPs, which are available for those versions, based on its 'opp-supported-hw'
2161 if (opp_table->supported_hw) in _opp_set_supported_hw()
2164 opp_table->supported_hw = kmemdup(versions, count * sizeof(*versions), in _opp_set_supported_hw()
2166 if (!opp_table->supported_hw) in _opp_set_supported_hw()
2167 return -ENOMEM; in _opp_set_supported_hw()
2169 opp_table->supported_hw_count = count; in _opp_set_supported_hw()
2176 if (opp_table->supported_hw) { in _opp_put_supported_hw()
2177 kfree(opp_table->supported_hw); in _opp_put_supported_hw()
2178 opp_table->supported_hw = NULL; in _opp_put_supported_hw()
2179 opp_table->supported_hw_count = 0; in _opp_put_supported_hw()
2186 * which the extension will apply are opp-microvolt and opp-microamp. OPP core
2187 * should postfix the property name with -<name> while looking for them.
2192 if (!opp_table->prop_name) { in _opp_set_prop_name()
2193 opp_table->prop_name = kstrdup(name, GFP_KERNEL); in _opp_set_prop_name()
2194 if (!opp_table->prop_name) in _opp_set_prop_name()
2195 return -ENOMEM; in _opp_set_prop_name()
2203 if (opp_table->prop_name) { in _opp_put_prop_name()
2204 kfree(opp_table->prop_name); in _opp_put_prop_name()
2205 opp_table->prop_name = NULL; in _opp_put_prop_name()
2228 return -EINVAL; in _opp_set_regulators()
2231 if (opp_table->regulators) in _opp_set_regulators()
2234 opp_table->regulators = kmalloc_array(count, in _opp_set_regulators()
2235 sizeof(*opp_table->regulators), in _opp_set_regulators()
2237 if (!opp_table->regulators) in _opp_set_regulators()
2238 return -ENOMEM; in _opp_set_regulators()
2249 opp_table->regulators[i] = reg; in _opp_set_regulators()
2252 opp_table->regulator_count = count; in _opp_set_regulators()
2256 opp_table->config_regulators = _opp_config_regulator_single; in _opp_set_regulators()
2262 regulator_put(opp_table->regulators[--i]); in _opp_set_regulators()
2264 kfree(opp_table->regulators); in _opp_set_regulators()
2265 opp_table->regulators = NULL; in _opp_set_regulators()
2266 opp_table->regulator_count = -1; in _opp_set_regulators()
2275 if (!opp_table->regulators) in _opp_put_regulators()
2278 if (opp_table->enabled) { in _opp_put_regulators()
2279 for (i = opp_table->regulator_count - 1; i >= 0; i--) in _opp_put_regulators()
2280 regulator_disable(opp_table->regulators[i]); in _opp_put_regulators()
2283 for (i = opp_table->regulator_count - 1; i >= 0; i--) in _opp_put_regulators()
2284 regulator_put(opp_table->regulators[i]); in _opp_put_regulators()
2286 kfree(opp_table->regulators); in _opp_put_regulators()
2287 opp_table->regulators = NULL; in _opp_put_regulators()
2288 opp_table->regulator_count = -1; in _opp_put_regulators()
2295 for (i = count - 1; i >= 0; i--) in _put_clks()
2296 clk_put(opp_table->clks[i]); in _put_clks()
2298 kfree(opp_table->clks); in _put_clks()
2299 opp_table->clks = NULL; in _put_clks()
2305 * (i.e. by passing connection-id as NULL), but for a device with multiple
2332 return -EINVAL; in _opp_set_clknames()
2335 if (opp_table->clks) in _opp_set_clknames()
2338 opp_table->clks = kmalloc_array(count, sizeof(*opp_table->clks), in _opp_set_clknames()
2340 if (!opp_table->clks) in _opp_set_clknames()
2341 return -ENOMEM; in _opp_set_clknames()
2353 opp_table->clks[i] = clk; in _opp_set_clknames()
2356 opp_table->clk_count = count; in _opp_set_clknames()
2357 opp_table->config_clks = config_clks; in _opp_set_clknames()
2361 if (!opp_table->config_clks) in _opp_set_clknames()
2362 opp_table->config_clks = _opp_config_clk_single; in _opp_set_clknames()
2369 * - avoiding clks[0] everywhere else. in _opp_set_clknames()
2370 * - not running single clk helpers for multiple clk usecase by in _opp_set_clknames()
2373 * Since this is single-clk case, just update the clk pointer in _opp_set_clknames()
2376 opp_table->clk = opp_table->clks[0]; in _opp_set_clknames()
2388 if (!opp_table->clks) in _opp_put_clknames()
2391 opp_table->config_clks = NULL; in _opp_put_clknames()
2392 opp_table->clk = ERR_PTR(-ENODEV); in _opp_put_clknames()
2394 _put_clks(opp_table, opp_table->clk_count); in _opp_put_clknames()
2406 if (!opp_table->config_regulators) in _opp_set_config_regulators_helper()
2407 opp_table->config_regulators = config_regulators; in _opp_set_config_regulators_helper()
2414 if (opp_table->config_regulators) in _opp_put_config_regulators_helper()
2415 opp_table->config_regulators = NULL; in _opp_put_config_regulators_helper()
2427 if (opp_table->is_genpd) { in _opp_set_required_dev()
2429 return -EOPNOTSUPP; in _opp_set_required_dev()
2432 if (index >= opp_table->required_opp_count) { in _opp_set_required_dev()
2434 return -EINVAL; in _opp_set_required_dev()
2437 required_table = opp_table->required_opp_tables[index]; in _opp_set_required_dev()
2440 return -ENODEV; in _opp_set_required_dev()
2464 opp_table->required_opp_tables[index] = pd_table; in _opp_set_required_dev()
2470 opp_table->required_devs[index] = required_dev; in _opp_set_required_dev()
2477 opp_table->required_devs[index] = NULL; in _opp_put_required_dev()
2482 if (data->flags & OPP_CONFIG_REQUIRED_DEV) in _opp_clear_config()
2483 _opp_put_required_dev(data->opp_table, in _opp_clear_config()
2484 data->required_dev_index); in _opp_clear_config()
2485 if (data->flags & OPP_CONFIG_REGULATOR) in _opp_clear_config()
2486 _opp_put_regulators(data->opp_table); in _opp_clear_config()
2487 if (data->flags & OPP_CONFIG_SUPPORTED_HW) in _opp_clear_config()
2488 _opp_put_supported_hw(data->opp_table); in _opp_clear_config()
2489 if (data->flags & OPP_CONFIG_REGULATOR_HELPER) in _opp_clear_config()
2490 _opp_put_config_regulators_helper(data->opp_table); in _opp_clear_config()
2491 if (data->flags & OPP_CONFIG_PROP_NAME) in _opp_clear_config()
2492 _opp_put_prop_name(data->opp_table); in _opp_clear_config()
2493 if (data->flags & OPP_CONFIG_CLK) in _opp_clear_config()
2494 _opp_put_clknames(data->opp_table); in _opp_clear_config()
2496 dev_pm_opp_put_opp_table(data->opp_table); in _opp_clear_config()
2501 * dev_pm_opp_set_config() - Set OPP configuration for the device.
2526 return -ENOMEM; in dev_pm_opp_set_config()
2534 data->opp_table = opp_table; in dev_pm_opp_set_config()
2535 data->flags = 0; in dev_pm_opp_set_config()
2538 if (WARN_ON(!list_empty(&opp_table->opp_list))) { in dev_pm_opp_set_config()
2539 ret = -EBUSY; in dev_pm_opp_set_config()
2544 if (config->clk_names) { in dev_pm_opp_set_config()
2545 ret = _opp_set_clknames(opp_table, dev, config->clk_names, in dev_pm_opp_set_config()
2546 config->config_clks); in dev_pm_opp_set_config()
2550 data->flags |= OPP_CONFIG_CLK; in dev_pm_opp_set_config()
2551 } else if (config->config_clks) { in dev_pm_opp_set_config()
2553 ret = -EINVAL; in dev_pm_opp_set_config()
2558 if (config->prop_name) { in dev_pm_opp_set_config()
2559 ret = _opp_set_prop_name(opp_table, config->prop_name); in dev_pm_opp_set_config()
2563 data->flags |= OPP_CONFIG_PROP_NAME; in dev_pm_opp_set_config()
2567 if (config->config_regulators) { in dev_pm_opp_set_config()
2569 config->config_regulators); in dev_pm_opp_set_config()
2573 data->flags |= OPP_CONFIG_REGULATOR_HELPER; in dev_pm_opp_set_config()
2577 if (config->supported_hw) { in dev_pm_opp_set_config()
2578 ret = _opp_set_supported_hw(opp_table, config->supported_hw, in dev_pm_opp_set_config()
2579 config->supported_hw_count); in dev_pm_opp_set_config()
2583 data->flags |= OPP_CONFIG_SUPPORTED_HW; in dev_pm_opp_set_config()
2587 if (config->regulator_names) { in dev_pm_opp_set_config()
2589 config->regulator_names); in dev_pm_opp_set_config()
2593 data->flags |= OPP_CONFIG_REGULATOR; in dev_pm_opp_set_config()
2596 if (config->required_dev) { in dev_pm_opp_set_config()
2598 config->required_dev, in dev_pm_opp_set_config()
2599 config->required_dev_index); in dev_pm_opp_set_config()
2603 data->required_dev_index = config->required_dev_index; in dev_pm_opp_set_config()
2604 data->flags |= OPP_CONFIG_REQUIRED_DEV; in dev_pm_opp_set_config()
2621 * dev_pm_opp_clear_config() - Releases resources blocked for OPP configuration.
2658 * devm_pm_opp_set_config() - Set OPP configuration for the device.
2663 * This is a resource-managed variant of dev_pm_opp_set_config().
2680 * dev_pm_opp_xlate_required_opp() - Find required OPP for @src_table OPP.
2686 * "required-opps" property of the @src_opp (present in @src_table).
2697 struct dev_pm_opp *opp, *dest_opp = ERR_PTR(-ENODEV); in dev_pm_opp_xlate_required_opp()
2701 !src_table->required_opp_tables) in dev_pm_opp_xlate_required_opp()
2702 return ERR_PTR(-EINVAL); in dev_pm_opp_xlate_required_opp()
2704 /* required-opps not fully initialized yet */ in dev_pm_opp_xlate_required_opp()
2706 return ERR_PTR(-EBUSY); in dev_pm_opp_xlate_required_opp()
2708 for (i = 0; i < src_table->required_opp_count; i++) { in dev_pm_opp_xlate_required_opp()
2709 if (src_table->required_opp_tables[i] == dst_table) { in dev_pm_opp_xlate_required_opp()
2710 mutex_lock(&src_table->lock); in dev_pm_opp_xlate_required_opp()
2712 list_for_each_entry(opp, &src_table->opp_list, node) { in dev_pm_opp_xlate_required_opp()
2714 dest_opp = opp->required_opps[i]; in dev_pm_opp_xlate_required_opp()
2720 mutex_unlock(&src_table->lock); in dev_pm_opp_xlate_required_opp()
2735 * dev_pm_opp_xlate_performance_state() - Find required OPP's pstate for src_table.
2741 * "required-opps" property of the OPP (present in @src_table) which has
2752 int dest_pstate = -EINVAL; in dev_pm_opp_xlate_performance_state()
2759 * and so none of them have the "required-opps" property set. Return the in dev_pm_opp_xlate_performance_state()
2762 if (!src_table || !src_table->required_opp_count) in dev_pm_opp_xlate_performance_state()
2766 if (unlikely(!src_table->is_genpd || !dst_table->is_genpd)) { in dev_pm_opp_xlate_performance_state()
2768 return -EINVAL; in dev_pm_opp_xlate_performance_state()
2771 /* required-opps not fully initialized yet */ in dev_pm_opp_xlate_performance_state()
2773 return -EBUSY; in dev_pm_opp_xlate_performance_state()
2775 for (i = 0; i < src_table->required_opp_count; i++) { in dev_pm_opp_xlate_performance_state()
2776 if (src_table->required_opp_tables[i]->np == dst_table->np) in dev_pm_opp_xlate_performance_state()
2780 if (unlikely(i == src_table->required_opp_count)) { in dev_pm_opp_xlate_performance_state()
2783 return -EINVAL; in dev_pm_opp_xlate_performance_state()
2786 mutex_lock(&src_table->lock); in dev_pm_opp_xlate_performance_state()
2788 list_for_each_entry(opp, &src_table->opp_list, node) { in dev_pm_opp_xlate_performance_state()
2789 if (opp->level == pstate) { in dev_pm_opp_xlate_performance_state()
2790 dest_pstate = opp->required_opps[i]->level; in dev_pm_opp_xlate_performance_state()
2799 mutex_unlock(&src_table->lock); in dev_pm_opp_xlate_performance_state()
2805 * dev_pm_opp_add_dynamic() - Add an OPP table from a table definitions
2815 * Duplicate OPPs (both freq and volt are same) and opp->available
2816 * -EEXIST Freq are same and volt are different OR
2817 * Duplicate OPPs (both freq and volt are same) and !opp->available
2818 * -ENOMEM Memory allocation failure
2830 opp_table->regulator_count = 1; in dev_pm_opp_add_dynamic()
2841 * _opp_set_availability() - helper to set the availability of an opp
2849 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
2857 struct dev_pm_opp *tmp_opp, *opp = ERR_PTR(-ENODEV); in _opp_set_availability()
2869 r = -EINVAL; in _opp_set_availability()
2873 mutex_lock(&opp_table->lock); in _opp_set_availability()
2876 list_for_each_entry(tmp_opp, &opp_table->opp_list, node) { in _opp_set_availability()
2877 if (tmp_opp->rates[0] == freq) { in _opp_set_availability()
2889 if (opp->available == availability_req) in _opp_set_availability()
2892 opp->available = availability_req; in _opp_set_availability()
2895 mutex_unlock(&opp_table->lock); in _opp_set_availability()
2899 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ENABLE, in _opp_set_availability()
2902 blocking_notifier_call_chain(&opp_table->head, in _opp_set_availability()
2909 mutex_unlock(&opp_table->lock); in _opp_set_availability()
2916 * dev_pm_opp_adjust_voltage() - helper to change the voltage of an OPP
2923 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
2933 struct dev_pm_opp *tmp_opp, *opp = ERR_PTR(-ENODEV); in dev_pm_opp_adjust_voltage()
2945 r = -EINVAL; in dev_pm_opp_adjust_voltage()
2949 mutex_lock(&opp_table->lock); in dev_pm_opp_adjust_voltage()
2952 list_for_each_entry(tmp_opp, &opp_table->opp_list, node) { in dev_pm_opp_adjust_voltage()
2953 if (tmp_opp->rates[0] == freq) { in dev_pm_opp_adjust_voltage()
2965 if (opp->supplies->u_volt == u_volt) in dev_pm_opp_adjust_voltage()
2968 opp->supplies->u_volt = u_volt; in dev_pm_opp_adjust_voltage()
2969 opp->supplies->u_volt_min = u_volt_min; in dev_pm_opp_adjust_voltage()
2970 opp->supplies->u_volt_max = u_volt_max; in dev_pm_opp_adjust_voltage()
2973 mutex_unlock(&opp_table->lock); in dev_pm_opp_adjust_voltage()
2976 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ADJUST_VOLTAGE, in dev_pm_opp_adjust_voltage()
2983 mutex_unlock(&opp_table->lock); in dev_pm_opp_adjust_voltage()
2991 * dev_pm_opp_sync_regulators() - Sync state of voltage regulators
3010 if (unlikely(!opp_table->regulators)) in dev_pm_opp_sync_regulators()
3014 if (!opp_table->enabled) in dev_pm_opp_sync_regulators()
3017 for (i = 0; i < opp_table->regulator_count; i++) { in dev_pm_opp_sync_regulators()
3018 reg = opp_table->regulators[i]; in dev_pm_opp_sync_regulators()
3032 * dev_pm_opp_enable() - Enable a specific OPP
3040 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
3051 * dev_pm_opp_disable() - Disable a specific OPP
3060 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
3071 * dev_pm_opp_register_notifier() - Register OPP notifier for the device
3086 ret = blocking_notifier_chain_register(&opp_table->head, nb); in dev_pm_opp_register_notifier()
3095 * dev_pm_opp_unregister_notifier() - Unregister OPP notifier for the device
3111 ret = blocking_notifier_chain_unregister(&opp_table->head, nb); in dev_pm_opp_unregister_notifier()
3120 * dev_pm_opp_remove_table() - Free all OPPs associated with the device
3135 if (error != -ENODEV) in dev_pm_opp_remove_table()