Lines Matching +full:usecase +full:- +full:specific
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
44 guard(mutex)(&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()
62 return ERR_PTR(-ENODEV); in _find_opp_table_unlocked()
66 * _find_opp_table() - find opp_table struct using device pointer
71 * Return: pointer to 'struct opp_table' if found, otherwise -ENODEV or
72 * -EINVAL based on type of error.
80 return ERR_PTR(-EINVAL); in _find_opp_table()
92 * in an platform specific way.
97 return !WARN_ON(opp_table->clk_count > 1); in assert_single_clk()
106 return opp_table->clk_count > index; in assert_clk_index()
115 return opp_table->path_count > index; in assert_bandwidth_index()
119 * dev_pm_opp_get_bw() - Gets the bandwidth corresponding to an opp
133 if (index >= opp->opp_table->path_count) in dev_pm_opp_get_bw()
136 if (!opp->bandwidth) in dev_pm_opp_get_bw()
139 return peak ? opp->bandwidth[index].peak : opp->bandwidth[index].avg; in dev_pm_opp_get_bw()
144 * dev_pm_opp_get_voltage() - Gets the voltage corresponding to an opp
159 return opp->supplies[0].u_volt; in dev_pm_opp_get_voltage()
164 * dev_pm_opp_get_supplies() - Gets the supply information corresponding to an opp
179 return -EINVAL; in dev_pm_opp_get_supplies()
182 memcpy(supplies, opp->supplies, in dev_pm_opp_get_supplies()
183 sizeof(*supplies) * opp->opp_table->regulator_count); in dev_pm_opp_get_supplies()
189 * dev_pm_opp_get_power() - Gets the power corresponding to an opp
206 for (i = 0; i < opp->opp_table->regulator_count; i++) in dev_pm_opp_get_power()
207 opp_power += opp->supplies[i].u_watt; in dev_pm_opp_get_power()
214 * dev_pm_opp_get_freq_indexed() - Gets the frequency corresponding to an
224 if (IS_ERR_OR_NULL(opp) || index >= opp->opp_table->clk_count) { in dev_pm_opp_get_freq_indexed()
229 return opp->rates[index]; in dev_pm_opp_get_freq_indexed()
234 * dev_pm_opp_get_level() - Gets the level corresponding to an available opp
242 if (IS_ERR_OR_NULL(opp) || !opp->available) { in dev_pm_opp_get_level()
247 return opp->level; in dev_pm_opp_get_level()
252 * dev_pm_opp_get_required_pstate() - Gets the required performance state
263 if (IS_ERR_OR_NULL(opp) || !opp->available || in dev_pm_opp_get_required_pstate()
264 index >= opp->opp_table->required_opp_count) { in dev_pm_opp_get_required_pstate()
269 /* required-opps not fully initialized yet */ in dev_pm_opp_get_required_pstate()
270 if (lazy_linking_pending(opp->opp_table)) in dev_pm_opp_get_required_pstate()
274 if (unlikely(!opp->opp_table->required_opp_tables[index]->is_genpd)) { in dev_pm_opp_get_required_pstate()
279 return opp->required_opps[index]->level; in dev_pm_opp_get_required_pstate()
284 * dev_pm_opp_is_turbo() - Returns if opp is turbo OPP or not
295 if (IS_ERR_OR_NULL(opp) || !opp->available) { in dev_pm_opp_is_turbo()
300 return opp->turbo; in dev_pm_opp_is_turbo()
305 * dev_pm_opp_get_max_clock_latency() - Get max clock latency in nanoseconds
318 return opp_table->clock_latency_ns_max; in dev_pm_opp_get_max_clock_latency()
323 * dev_pm_opp_get_max_volt_latency() - Get max voltage latency in nanoseconds
346 if (!opp_table->regulators) in dev_pm_opp_get_max_volt_latency()
349 count = opp_table->regulator_count; in dev_pm_opp_get_max_volt_latency()
355 scoped_guard(mutex, &opp_table->lock) { in dev_pm_opp_get_max_volt_latency()
360 list_for_each_entry(opp, &opp_table->opp_list, node) { in dev_pm_opp_get_max_volt_latency()
361 if (!opp->available) in dev_pm_opp_get_max_volt_latency()
364 if (opp->supplies[i].u_volt_min < uV[i].min) in dev_pm_opp_get_max_volt_latency()
365 uV[i].min = opp->supplies[i].u_volt_min; in dev_pm_opp_get_max_volt_latency()
366 if (opp->supplies[i].u_volt_max > uV[i].max) in dev_pm_opp_get_max_volt_latency()
367 uV[i].max = opp->supplies[i].u_volt_max; in dev_pm_opp_get_max_volt_latency()
377 reg = opp_table->regulators[i]; in dev_pm_opp_get_max_volt_latency()
390 * dev_pm_opp_get_max_transition_latency() - Get max transition latency in
405 * dev_pm_opp_get_suspend_opp_freq() - Get frequency of suspend opp in Hz
421 if (opp_table->suspend_opp && opp_table->suspend_opp->available) in dev_pm_opp_get_suspend_opp_freq()
422 freq = dev_pm_opp_get_freq(opp_table->suspend_opp); in dev_pm_opp_get_suspend_opp_freq()
433 guard(mutex)(&opp_table->lock); in _get_opp_count()
435 list_for_each_entry(opp, &opp_table->opp_list, node) { in _get_opp_count()
436 if (opp->available) in _get_opp_count()
444 * dev_pm_opp_get_opp_count() - Get number of opps available in the opp table
468 return opp->rates[index]; in _read_freq()
473 return opp->level; in _read_level()
478 return opp->bandwidth[index].peak; in _read_bw()
484 key->bw = opp->bandwidth ? opp->bandwidth[index].peak : 0; in _read_opp_key()
485 key->freq = opp->rates[index]; in _read_opp_key()
486 key->level = opp->level; in _read_opp_key()
528 bool level_match = (key->level == OPP_LEVEL_UNSET || opp_key->level == key->level); in _compare_opp_key_exact()
529 bool freq_match = (key->freq == 0 || opp_key->freq == key->freq); in _compare_opp_key_exact()
530 bool bw_match = (key->bw == 0 || opp_key->bw == key->bw); in _compare_opp_key_exact()
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 guard(mutex)(&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()
580 struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE); in _opp_table_find_opp_key()
585 return ERR_PTR(-EINVAL); in _opp_table_find_opp_key()
587 guard(mutex)(&opp_table->lock); in _opp_table_find_opp_key()
589 list_for_each_entry(temp_opp, &opp_table->opp_list, node) { in _opp_table_find_opp_key()
590 if (temp_opp->available == available) { in _opp_table_find_opp_key()
664 * dev_pm_opp_find_freq_exact() - search for an exact frequency
667 * @available: true/false - match for available opp
695 * dev_pm_opp_find_key_exact() - Search for an OPP with exact key set
698 * @available: true/false - match for available OPP
737 * dev_pm_opp_find_freq_exact_indexed() - Search for an exact freq for the
742 * @available: true/false - match for available opp
773 * dev_pm_opp_find_freq_ceil() - Search for an rounded ceil freq
798 * dev_pm_opp_find_freq_ceil_indexed() - Search for a rounded ceil freq for the
827 * dev_pm_opp_find_freq_floor() - Search for a rounded floor freq
852 * dev_pm_opp_find_freq_floor_indexed() - Search for a rounded floor freq for the
880 * dev_pm_opp_find_level_exact() - search for an exact level
902 * dev_pm_opp_find_level_ceil() - search for an rounded up level
930 return ERR_PTR(-ENODEV); in dev_pm_opp_find_level_ceil()
939 * dev_pm_opp_find_level_floor() - Search for a rounded floor level
969 * dev_pm_opp_find_bw_ceil() - Search for a rounded ceil bandwidth
1001 * dev_pm_opp_find_bw_floor() - Search for a rounded floor bandwidth
1045 supply->u_volt_min, supply->u_volt, supply->u_volt_max); in _set_opp_voltage()
1047 ret = regulator_set_voltage_triplet(reg, supply->u_volt_min, in _set_opp_voltage()
1048 supply->u_volt, supply->u_volt_max); in _set_opp_voltage()
1051 __func__, supply->u_volt_min, supply->u_volt, in _set_opp_voltage()
1052 supply->u_volt_max, ret); in _set_opp_voltage()
1069 freq = opp->rates[0]; in _opp_config_clk_single()
1072 return -EINVAL; in _opp_config_clk_single()
1075 ret = clk_set_rate(opp_table->clk, freq); in _opp_config_clk_single()
1080 opp_table->current_rate_single_clk = freq; in _opp_config_clk_single()
1097 for (i = opp_table->clk_count - 1; i >= 0; i--) { in dev_pm_opp_config_clks_simple()
1098 ret = clk_set_rate(opp_table->clks[i], opp->rates[i]); in dev_pm_opp_config_clks_simple()
1106 for (i = 0; i < opp_table->clk_count; i++) { in dev_pm_opp_config_clks_simple()
1107 ret = clk_set_rate(opp_table->clks[i], opp->rates[i]); in dev_pm_opp_config_clks_simple()
1130 return -EINVAL; in _opp_config_regulator_single()
1133 ret = _set_opp_voltage(dev, reg, new_opp->supplies); in _opp_config_regulator_single()
1139 * some boot-enabled regulators. in _opp_config_regulator_single()
1141 if (unlikely(!new_opp->opp_table->enabled)) { in _opp_config_regulator_single()
1156 if (!opp_table->paths) in _set_opp_bw()
1159 for (i = 0; i < opp_table->path_count; i++) { in _set_opp_bw()
1164 avg = opp->bandwidth[i].avg; in _set_opp_bw()
1165 peak = opp->bandwidth[i].peak; in _set_opp_bw()
1167 ret = icc_set_bw(opp_table->paths[i], avg, peak); in _set_opp_bw()
1184 if (opp->level == OPP_LEVEL_UNSET) in _set_opp_level()
1187 level = opp->level; in _set_opp_level()
1203 struct device **devs = opp_table->required_devs; in _set_required_opps()
1210 /* required-opps not fully initialized yet */ in _set_required_opps()
1212 return -EBUSY; in _set_required_opps()
1217 target = opp_table->required_opp_count; in _set_required_opps()
1220 index = opp_table->required_opp_count - 1; in _set_required_opps()
1221 target = -1; in _set_required_opps()
1222 delta = -1; in _set_required_opps()
1227 required_opp = opp ? opp->required_opps[index] : NULL; in _set_required_opps()
1242 struct dev_pm_opp *opp = ERR_PTR(-ENODEV); in _find_current_opp()
1245 if (!IS_ERR(opp_table->clk)) { in _find_current_opp()
1246 freq = clk_get_rate(opp_table->clk); in _find_current_opp()
1256 guard(mutex)(&opp_table->lock); in _find_current_opp()
1257 opp = dev_pm_opp_get(list_first_entry(&opp_table->opp_list, in _find_current_opp()
1261 opp_table->current_opp = opp; in _find_current_opp()
1268 if (!opp_table->enabled) in _disable_opp_table()
1283 if (opp_table->regulators) in _disable_opp_table()
1284 regulator_disable(opp_table->regulators[0]); in _disable_opp_table()
1293 opp_table->enabled = false; in _disable_opp_table()
1307 if (unlikely(!opp_table->current_opp)) in _set_opp()
1310 old_opp = opp_table->current_opp; in _set_opp()
1313 if (!forced && old_opp == opp && opp_table->enabled) { in _set_opp()
1318 dev_dbg(dev, "%s: switching OPP: Freq %lu -> %lu Hz, Level %u -> %u, Bw %u -> %u\n", in _set_opp()
1319 __func__, old_opp->rates[0], opp->rates[0], old_opp->level, in _set_opp()
1320 opp->level, old_opp->bandwidth ? old_opp->bandwidth[0].peak : 0, in _set_opp()
1321 opp->bandwidth ? opp->bandwidth[0].peak : 0); in _set_opp()
1324 if (scaling_down == -1) in _set_opp()
1345 if (opp_table->config_regulators) { in _set_opp()
1346 ret = opp_table->config_regulators(dev, old_opp, opp, in _set_opp()
1347 opp_table->regulators, in _set_opp()
1348 opp_table->regulator_count); in _set_opp()
1357 if (opp_table->config_clks) { in _set_opp()
1358 ret = opp_table->config_clks(dev, opp_table, opp, clk_data, scaling_down); in _set_opp()
1365 if (opp_table->config_regulators) { in _set_opp()
1366 ret = opp_table->config_regulators(dev, old_opp, opp, in _set_opp()
1367 opp_table->regulators, in _set_opp()
1368 opp_table->regulator_count); in _set_opp()
1393 opp_table->enabled = true; in _set_opp()
1397 opp_table->current_opp = dev_pm_opp_get(opp); in _set_opp()
1403 * dev_pm_opp_set_rate() - Configure new OPP based on frequency
1407 * This configures the power-supplies to the levels specified by the OPP
1435 return opp_table->config_clks(dev, opp_table, NULL, in dev_pm_opp_set_rate()
1439 freq = clk_round_rate(opp_table->clk, target_freq); in dev_pm_opp_set_rate()
1463 forced = opp_table->current_rate_single_clk != freq; in dev_pm_opp_set_rate()
1471 * dev_pm_opp_set_opp() - Configure device for OPP
1494 /* OPP-dev Helpers */
1499 list_del(&opp_dev->node); in _remove_opp_dev()
1512 /* Initialize opp-dev */ in _add_opp_dev()
1513 opp_dev->dev = dev; in _add_opp_dev()
1515 scoped_guard(mutex, &opp_table->lock) in _add_opp_dev()
1516 list_add(&opp_dev->node, &opp_table->dev_list); in _add_opp_dev()
1536 return ERR_PTR(-ENOMEM); in _allocate_opp_table()
1538 mutex_init(&opp_table->lock); in _allocate_opp_table()
1539 INIT_LIST_HEAD(&opp_table->dev_list); in _allocate_opp_table()
1540 INIT_LIST_HEAD(&opp_table->lazy); in _allocate_opp_table()
1542 opp_table->clk = ERR_PTR(-ENODEV); in _allocate_opp_table()
1545 opp_table->regulator_count = -1; in _allocate_opp_table()
1549 ret = -ENOMEM; in _allocate_opp_table()
1558 if (ret == -EPROBE_DEFER) in _allocate_opp_table()
1565 BLOCKING_INIT_NOTIFIER_HEAD(&opp_table->head); in _allocate_opp_table()
1566 INIT_LIST_HEAD(&opp_table->opp_list); in _allocate_opp_table()
1567 kref_init(&opp_table->kref); in _allocate_opp_table()
1574 mutex_destroy(&opp_table->lock); in _allocate_opp_table()
1590 if (!getclk || IS_ERR(opp_table) || !IS_ERR(opp_table->clk) || in _update_opp_table_clk()
1591 opp_table->clks) in _update_opp_table_clk()
1598 * clk entry. The OPP nodes in DT may still contain "opp-hz" property in _update_opp_table_clk()
1604 * in opp->rates and also parse the entries in DT. Use in _update_opp_table_clk()
1605 * clk_get_optional() instead of clk_get() so opp_table->clk stays in _update_opp_table_clk()
1606 * NULL for such devices, instead of holding an ERR_PTR(-ENOENT) that in _update_opp_table_clk()
1607 * consumers must remember to special-case. in _update_opp_table_clk()
1609 opp_table->clk = clk_get_optional(dev, NULL); in _update_opp_table_clk()
1611 if (IS_ERR(opp_table->clk)) { in _update_opp_table_clk()
1612 ret = dev_err_probe(dev, PTR_ERR(opp_table->clk), "Couldn't find clock\n"); in _update_opp_table_clk()
1617 if (opp_table->clk) in _update_opp_table_clk()
1618 opp_table->config_clks = _opp_config_clk_single; in _update_opp_table_clk()
1620 opp_table->clk_count = 1; in _update_opp_table_clk()
1671 opp_table = ERR_PTR(-ENOMEM); in _add_opp_table_indexed()
1680 list_add(&opp_table->node, &opp_tables); in _add_opp_table_indexed()
1709 list_del(&opp_table->node); in _opp_table_kref_release()
1712 if (opp_table->current_opp) in _opp_table_kref_release()
1713 dev_pm_opp_put(opp_table->current_opp); in _opp_table_kref_release()
1718 if (!IS_ERR(opp_table->clk)) in _opp_table_kref_release()
1719 clk_put(opp_table->clk); in _opp_table_kref_release()
1721 if (opp_table->paths) { in _opp_table_kref_release()
1722 for (i = 0; i < opp_table->path_count; i++) in _opp_table_kref_release()
1723 icc_put(opp_table->paths[i]); in _opp_table_kref_release()
1724 kfree(opp_table->paths); in _opp_table_kref_release()
1727 WARN_ON(!list_empty(&opp_table->opp_list)); in _opp_table_kref_release()
1729 list_for_each_entry_safe(opp_dev, temp, &opp_table->dev_list, node) in _opp_table_kref_release()
1732 mutex_destroy(&opp_table->lock); in _opp_table_kref_release()
1738 kref_get(&opp_table->kref); in dev_pm_opp_get_opp_table_ref()
1745 kref_put_mutex(&opp_table->kref, _opp_table_kref_release, in dev_pm_opp_put_opp_table()
1758 struct opp_table *opp_table = opp->opp_table; in _opp_kref_release()
1760 list_del(&opp->node); in _opp_kref_release()
1761 mutex_unlock(&opp_table->lock); in _opp_kref_release()
1767 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_REMOVE, opp); in _opp_kref_release()
1775 kref_get(&opp->kref); in dev_pm_opp_get()
1782 kref_put_mutex(&opp->kref, _opp_kref_release, &opp->opp_table->lock); in dev_pm_opp_put()
1787 * dev_pm_opp_remove() - Remove an OPP from OPP table
1806 scoped_guard(mutex, &opp_table->lock) { in dev_pm_opp_remove()
1807 list_for_each_entry(iter, &opp_table->opp_list, node) { in dev_pm_opp_remove()
1808 if (iter->rates[0] == freq) { in dev_pm_opp_remove()
1832 guard(mutex)(&opp_table->lock); in _opp_get_next()
1834 list_for_each_entry(opp, &opp_table->opp_list, node) { in _opp_get_next()
1839 if (!opp->removed && dynamic == opp->dynamic) in _opp_get_next()
1849 * called without the opp_table->lock held.
1856 opp->removed = true; in _opp_remove_all()
1867 scoped_guard(mutex, &opp_table->lock) { in _opp_remove_all_static()
1868 if (!opp_table->parsed_static_opps) in _opp_remove_all_static()
1871 if (--opp_table->parsed_static_opps) in _opp_remove_all_static()
1880 * dev_pm_opp_remove_all_dynamic() - Remove all dynamically created OPPs
1903 supply_count = opp_table->regulator_count > 0 ? in _opp_allocate()
1904 opp_table->regulator_count : 1; in _opp_allocate()
1905 supply_size = sizeof(*opp->supplies) * supply_count; in _opp_allocate()
1906 clk_size = sizeof(*opp->rates) * opp_table->clk_count; in _opp_allocate()
1907 icc_size = sizeof(*opp->bandwidth) * opp_table->path_count; in _opp_allocate()
1915 opp->supplies = (struct dev_pm_opp_supply *)(opp + 1); in _opp_allocate()
1917 opp->rates = (unsigned long *)(opp->supplies + supply_count); in _opp_allocate()
1920 opp->bandwidth = (struct dev_pm_opp_icc_bw *)(opp->rates + opp_table->clk_count); in _opp_allocate()
1922 INIT_LIST_HEAD(&opp->node); in _opp_allocate()
1924 opp->level = OPP_LEVEL_UNSET; in _opp_allocate()
1935 if (!opp_table->regulators) in _opp_supported_by_regulators()
1938 for (i = 0; i < opp_table->regulator_count; i++) { in _opp_supported_by_regulators()
1939 reg = opp_table->regulators[i]; in _opp_supported_by_regulators()
1942 opp->supplies[i].u_volt_min, in _opp_supported_by_regulators()
1943 opp->supplies[i].u_volt_max)) { in _opp_supported_by_regulators()
1945 __func__, opp->supplies[i].u_volt_min, in _opp_supported_by_regulators()
1946 opp->supplies[i].u_volt_max); in _opp_supported_by_regulators()
1959 for (i = 0; i < opp_table->clk_count; i++) { in _opp_compare_rate()
1960 if (opp1->rates[i] != opp2->rates[i]) in _opp_compare_rate()
1961 return opp1->rates[i] < opp2->rates[i] ? -1 : 1; in _opp_compare_rate()
1973 for (i = 0; i < opp_table->path_count; i++) { in _opp_compare_bw()
1974 if (opp1->bandwidth[i].peak != opp2->bandwidth[i].peak) in _opp_compare_bw()
1975 return opp1->bandwidth[i].peak < opp2->bandwidth[i].peak ? -1 : 1; in _opp_compare_bw()
1986 * -1: opp1 < opp2
2001 if (opp1->level != opp2->level) in _opp_compare_key()
2002 return opp1->level < opp2->level ? -1 : 1; in _opp_compare_key()
2019 * Need to use &opp_table->opp_list in the condition part of the 'for' in _opp_is_duplicate()
2023 list_for_each_entry(opp, &opp_table->opp_list, node) { in _opp_is_duplicate()
2026 *head = &opp->node; in _opp_is_duplicate()
2035 __func__, opp->rates[0], opp->supplies[0].u_volt, in _opp_is_duplicate()
2036 opp->available, new_opp->rates[0], in _opp_is_duplicate()
2037 new_opp->supplies[0].u_volt, new_opp->available); in _opp_is_duplicate()
2040 return opp->available && in _opp_is_duplicate()
2041 new_opp->supplies[0].u_volt == opp->supplies[0].u_volt ? -EBUSY : -EEXIST; in _opp_is_duplicate()
2052 if (opp->required_opps[i]->available) in _required_opps_available()
2055 opp->available = false; in _required_opps_available()
2057 __func__, opp->required_opps[i]->np, opp->rates[0]); in _required_opps_available()
2065 * -EBUSY: For OPP with same freq/volt and is available. The callers of
2066 * _opp_add() must return 0 if they receive -EBUSY from it. This is to make
2069 * -EEXIST: For OPP with same freq but different volt or is unavailable. This
2078 scoped_guard(mutex, &opp_table->lock) { in _opp_add()
2079 head = &opp_table->opp_list; in _opp_add()
2085 list_add(&new_opp->node, head); in _opp_add()
2086 new_opp->opp_table = opp_table; in _opp_add()
2087 kref_init(&new_opp->kref); in _opp_add()
2093 new_opp->available = false; in _opp_add()
2095 __func__, new_opp->rates[0]); in _opp_add()
2098 /* required-opps not fully initialized yet */ in _opp_add()
2102 _required_opps_available(new_opp, opp_table->required_opp_count); in _opp_add()
2108 * _opp_add_v1() - Allocate a OPP based on v1 bindings.
2123 * Duplicate OPPs (both freq and volt are same) and opp->available
2124 * -EEXIST Freq are same and volt are different OR
2125 * Duplicate OPPs (both freq and volt are same) and !opp->available
2126 * -ENOMEM Memory allocation failure
2132 unsigned long tol, u_volt = data->u_volt; in _opp_add_v1()
2136 return -EINVAL; in _opp_add_v1()
2140 return -ENOMEM; in _opp_add_v1()
2143 new_opp->rates[0] = data->freq; in _opp_add_v1()
2144 new_opp->level = data->level; in _opp_add_v1()
2145 new_opp->turbo = data->turbo; in _opp_add_v1()
2146 tol = u_volt * opp_table->voltage_tolerance_v1 / 100; in _opp_add_v1()
2147 new_opp->supplies[0].u_volt = u_volt; in _opp_add_v1()
2148 new_opp->supplies[0].u_volt_min = u_volt - tol; in _opp_add_v1()
2149 new_opp->supplies[0].u_volt_max = u_volt + tol; in _opp_add_v1()
2150 new_opp->available = true; in _opp_add_v1()
2151 new_opp->dynamic = dynamic; in _opp_add_v1()
2156 if (ret == -EBUSY) in _opp_add_v1()
2165 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ADD, new_opp); in _opp_add_v1()
2177 * OPPs, which are available for those versions, based on its 'opp-supported-hw'
2184 if (opp_table->supported_hw) in _opp_set_supported_hw()
2187 opp_table->supported_hw = kmemdup_array(versions, count, in _opp_set_supported_hw()
2189 if (!opp_table->supported_hw) in _opp_set_supported_hw()
2190 return -ENOMEM; in _opp_set_supported_hw()
2192 opp_table->supported_hw_count = count; in _opp_set_supported_hw()
2199 if (opp_table->supported_hw) { in _opp_put_supported_hw()
2200 kfree(opp_table->supported_hw); in _opp_put_supported_hw()
2201 opp_table->supported_hw = NULL; in _opp_put_supported_hw()
2202 opp_table->supported_hw_count = 0; in _opp_put_supported_hw()
2209 * which the extension will apply are opp-microvolt and opp-microamp. OPP core
2210 * should postfix the property name with -<name> while looking for them.
2215 if (!opp_table->prop_name) { in _opp_set_prop_name()
2216 opp_table->prop_name = kstrdup(name, GFP_KERNEL); in _opp_set_prop_name()
2217 if (!opp_table->prop_name) in _opp_set_prop_name()
2218 return -ENOMEM; in _opp_set_prop_name()
2226 if (opp_table->prop_name) { in _opp_put_prop_name()
2227 kfree(opp_table->prop_name); in _opp_put_prop_name()
2228 opp_table->prop_name = NULL; in _opp_put_prop_name()
2251 return -EINVAL; in _opp_set_regulators()
2254 if (opp_table->regulators) in _opp_set_regulators()
2257 opp_table->regulators = kmalloc_objs(*opp_table->regulators, count); in _opp_set_regulators()
2258 if (!opp_table->regulators) in _opp_set_regulators()
2259 return -ENOMEM; in _opp_set_regulators()
2270 opp_table->regulators[i] = reg; in _opp_set_regulators()
2273 opp_table->regulator_count = count; in _opp_set_regulators()
2277 opp_table->config_regulators = _opp_config_regulator_single; in _opp_set_regulators()
2283 regulator_put(opp_table->regulators[--i]); in _opp_set_regulators()
2285 kfree(opp_table->regulators); in _opp_set_regulators()
2286 opp_table->regulators = NULL; in _opp_set_regulators()
2287 opp_table->regulator_count = -1; in _opp_set_regulators()
2296 if (!opp_table->regulators) in _opp_put_regulators()
2299 if (opp_table->enabled) { in _opp_put_regulators()
2300 for (i = opp_table->regulator_count - 1; i >= 0; i--) in _opp_put_regulators()
2301 regulator_disable(opp_table->regulators[i]); in _opp_put_regulators()
2304 for (i = opp_table->regulator_count - 1; i >= 0; i--) in _opp_put_regulators()
2305 regulator_put(opp_table->regulators[i]); in _opp_put_regulators()
2307 kfree(opp_table->regulators); in _opp_put_regulators()
2308 opp_table->regulators = NULL; in _opp_put_regulators()
2309 opp_table->regulator_count = -1; in _opp_put_regulators()
2316 for (i = count - 1; i >= 0; i--) in _put_clks()
2317 clk_put(opp_table->clks[i]); in _put_clks()
2319 kfree(opp_table->clks); in _put_clks()
2320 opp_table->clks = NULL; in _put_clks()
2326 * (i.e. by passing connection-id as NULL), but for a device with multiple
2353 return -EINVAL; in _opp_set_clknames()
2356 if (opp_table->clks) in _opp_set_clknames()
2359 opp_table->clks = kmalloc_objs(*opp_table->clks, count); in _opp_set_clknames()
2360 if (!opp_table->clks) in _opp_set_clknames()
2361 return -ENOMEM; in _opp_set_clknames()
2373 opp_table->clks[i] = clk; in _opp_set_clknames()
2376 opp_table->clk_count = count; in _opp_set_clknames()
2377 opp_table->config_clks = config_clks; in _opp_set_clknames()
2381 if (!opp_table->config_clks) in _opp_set_clknames()
2382 opp_table->config_clks = _opp_config_clk_single; in _opp_set_clknames()
2389 * - avoiding clks[0] everywhere else. in _opp_set_clknames()
2390 * - not running single clk helpers for multiple clk usecase by in _opp_set_clknames()
2393 * Since this is single-clk case, just update the clk pointer in _opp_set_clknames()
2396 opp_table->clk = opp_table->clks[0]; in _opp_set_clknames()
2408 if (!opp_table->clks) in _opp_put_clknames()
2411 opp_table->config_clks = NULL; in _opp_put_clknames()
2412 opp_table->clk = ERR_PTR(-ENODEV); in _opp_put_clknames()
2414 _put_clks(opp_table, opp_table->clk_count); in _opp_put_clknames()
2426 if (!opp_table->config_regulators) in _opp_set_config_regulators_helper()
2427 opp_table->config_regulators = config_regulators; in _opp_set_config_regulators_helper()
2434 if (opp_table->config_regulators) in _opp_put_config_regulators_helper()
2435 opp_table->config_regulators = NULL; in _opp_put_config_regulators_helper()
2447 if (opp_table->is_genpd) { in _opp_set_required_dev()
2449 return -EOPNOTSUPP; in _opp_set_required_dev()
2452 if (index >= opp_table->required_opp_count) { in _opp_set_required_dev()
2454 return -EINVAL; in _opp_set_required_dev()
2457 required_table = opp_table->required_opp_tables[index]; in _opp_set_required_dev()
2460 return -ENODEV; in _opp_set_required_dev()
2484 opp_table->required_opp_tables[index] = pd_table; in _opp_set_required_dev()
2490 opp_table->required_devs[index] = required_dev; in _opp_set_required_dev()
2497 opp_table->required_devs[index] = NULL; in _opp_put_required_dev()
2502 if (data->flags & OPP_CONFIG_REQUIRED_DEV) in _opp_clear_config()
2503 _opp_put_required_dev(data->opp_table, in _opp_clear_config()
2504 data->required_dev_index); in _opp_clear_config()
2505 if (data->flags & OPP_CONFIG_REGULATOR) in _opp_clear_config()
2506 _opp_put_regulators(data->opp_table); in _opp_clear_config()
2507 if (data->flags & OPP_CONFIG_SUPPORTED_HW) in _opp_clear_config()
2508 _opp_put_supported_hw(data->opp_table); in _opp_clear_config()
2509 if (data->flags & OPP_CONFIG_REGULATOR_HELPER) in _opp_clear_config()
2510 _opp_put_config_regulators_helper(data->opp_table); in _opp_clear_config()
2511 if (data->flags & OPP_CONFIG_PROP_NAME) in _opp_clear_config()
2512 _opp_put_prop_name(data->opp_table); in _opp_clear_config()
2513 if (data->flags & OPP_CONFIG_CLK) in _opp_clear_config()
2514 _opp_put_clknames(data->opp_table); in _opp_clear_config()
2516 dev_pm_opp_put_opp_table(data->opp_table); in _opp_clear_config()
2521 * dev_pm_opp_set_config() - Set OPP configuration for the device.
2546 return -ENOMEM; in dev_pm_opp_set_config()
2554 data->opp_table = opp_table; in dev_pm_opp_set_config()
2555 data->flags = 0; in dev_pm_opp_set_config()
2558 if (WARN_ON(!list_empty(&opp_table->opp_list))) { in dev_pm_opp_set_config()
2559 ret = -EBUSY; in dev_pm_opp_set_config()
2564 if (config->clk_names) { in dev_pm_opp_set_config()
2565 ret = _opp_set_clknames(opp_table, dev, config->clk_names, in dev_pm_opp_set_config()
2566 config->config_clks); in dev_pm_opp_set_config()
2570 data->flags |= OPP_CONFIG_CLK; in dev_pm_opp_set_config()
2571 } else if (config->config_clks) { in dev_pm_opp_set_config()
2573 ret = -EINVAL; in dev_pm_opp_set_config()
2578 if (config->prop_name) { in dev_pm_opp_set_config()
2579 ret = _opp_set_prop_name(opp_table, config->prop_name); in dev_pm_opp_set_config()
2583 data->flags |= OPP_CONFIG_PROP_NAME; in dev_pm_opp_set_config()
2587 if (config->config_regulators) { in dev_pm_opp_set_config()
2589 config->config_regulators); in dev_pm_opp_set_config()
2593 data->flags |= OPP_CONFIG_REGULATOR_HELPER; in dev_pm_opp_set_config()
2597 if (config->supported_hw) { in dev_pm_opp_set_config()
2598 ret = _opp_set_supported_hw(opp_table, config->supported_hw, in dev_pm_opp_set_config()
2599 config->supported_hw_count); in dev_pm_opp_set_config()
2603 data->flags |= OPP_CONFIG_SUPPORTED_HW; in dev_pm_opp_set_config()
2607 if (config->regulator_names) { in dev_pm_opp_set_config()
2609 config->regulator_names); in dev_pm_opp_set_config()
2613 data->flags |= OPP_CONFIG_REGULATOR; in dev_pm_opp_set_config()
2616 if (config->required_dev) { in dev_pm_opp_set_config()
2618 config->required_dev, in dev_pm_opp_set_config()
2619 config->required_dev_index); in dev_pm_opp_set_config()
2623 data->required_dev_index = config->required_dev_index; in dev_pm_opp_set_config()
2624 data->flags |= OPP_CONFIG_REQUIRED_DEV; in dev_pm_opp_set_config()
2641 * dev_pm_opp_clear_config() - Releases resources blocked for OPP configuration.
2678 * devm_pm_opp_set_config() - Set OPP configuration for the device.
2683 * This is a resource-managed variant of dev_pm_opp_set_config().
2700 * dev_pm_opp_xlate_required_opp() - Find required OPP for @src_table OPP.
2706 * "required-opps" property of the @src_opp (present in @src_table).
2717 struct dev_pm_opp *opp, *dest_opp = ERR_PTR(-ENODEV); in dev_pm_opp_xlate_required_opp()
2721 !src_table->required_opp_tables) in dev_pm_opp_xlate_required_opp()
2722 return ERR_PTR(-EINVAL); in dev_pm_opp_xlate_required_opp()
2724 /* required-opps not fully initialized yet */ in dev_pm_opp_xlate_required_opp()
2726 return ERR_PTR(-EBUSY); in dev_pm_opp_xlate_required_opp()
2728 for (i = 0; i < src_table->required_opp_count; i++) { in dev_pm_opp_xlate_required_opp()
2729 if (src_table->required_opp_tables[i] != dst_table) in dev_pm_opp_xlate_required_opp()
2732 scoped_guard(mutex, &src_table->lock) { in dev_pm_opp_xlate_required_opp()
2733 list_for_each_entry(opp, &src_table->opp_list, node) { in dev_pm_opp_xlate_required_opp()
2735 dest_opp = dev_pm_opp_get(opp->required_opps[i]); in dev_pm_opp_xlate_required_opp()
2753 * dev_pm_opp_xlate_performance_state() - Find required OPP's pstate for src_table.
2759 * "required-opps" property of the OPP (present in @src_table) which has
2776 * and so none of them have the "required-opps" property set. Return the in dev_pm_opp_xlate_performance_state()
2779 if (!src_table || !src_table->required_opp_count) in dev_pm_opp_xlate_performance_state()
2783 if (unlikely(!src_table->is_genpd || !dst_table->is_genpd)) { in dev_pm_opp_xlate_performance_state()
2785 return -EINVAL; in dev_pm_opp_xlate_performance_state()
2788 /* required-opps not fully initialized yet */ in dev_pm_opp_xlate_performance_state()
2790 return -EBUSY; in dev_pm_opp_xlate_performance_state()
2792 for (i = 0; i < src_table->required_opp_count; i++) { in dev_pm_opp_xlate_performance_state()
2793 if (src_table->required_opp_tables[i]->np == dst_table->np) in dev_pm_opp_xlate_performance_state()
2797 if (unlikely(i == src_table->required_opp_count)) { in dev_pm_opp_xlate_performance_state()
2800 return -EINVAL; in dev_pm_opp_xlate_performance_state()
2803 guard(mutex)(&src_table->lock); in dev_pm_opp_xlate_performance_state()
2805 list_for_each_entry(opp, &src_table->opp_list, node) { in dev_pm_opp_xlate_performance_state()
2806 if (opp->level == pstate) in dev_pm_opp_xlate_performance_state()
2807 return opp->required_opps[i]->level; in dev_pm_opp_xlate_performance_state()
2813 return -EINVAL; in dev_pm_opp_xlate_performance_state()
2817 * dev_pm_opp_add_dynamic() - Add an OPP table from a table definitions
2827 * Duplicate OPPs (both freq and volt are same) and opp->available
2828 * -EEXIST Freq are same and volt are different OR
2829 * Duplicate OPPs (both freq and volt are same) and !opp->available
2830 * -ENOMEM Memory allocation failure
2842 opp_table->regulator_count = 1; in dev_pm_opp_add_dynamic()
2853 * _opp_set_availability() - helper to set the availability of an opp
2861 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
2871 struct dev_pm_opp *opp __free(put_opp) = ERR_PTR(-ENODEV), *tmp_opp; in _opp_set_availability()
2880 return -EINVAL; in _opp_set_availability()
2882 scoped_guard(mutex, &opp_table->lock) { in _opp_set_availability()
2884 list_for_each_entry(tmp_opp, &opp_table->opp_list, node) { in _opp_set_availability()
2885 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()
2903 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ENABLE, in _opp_set_availability()
2906 blocking_notifier_call_chain(&opp_table->head, in _opp_set_availability()
2913 * dev_pm_opp_adjust_voltage() - helper to change the voltage of an OPP
2920 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
2932 struct dev_pm_opp *opp __free(put_opp) = ERR_PTR(-ENODEV), *tmp_opp; in dev_pm_opp_adjust_voltage()
2942 return -EINVAL; in dev_pm_opp_adjust_voltage()
2944 scoped_guard(mutex, &opp_table->lock) { in dev_pm_opp_adjust_voltage()
2946 list_for_each_entry(tmp_opp, &opp_table->opp_list, node) { in dev_pm_opp_adjust_voltage()
2947 if (tmp_opp->rates[0] == freq) { in dev_pm_opp_adjust_voltage()
2951 if (opp->supplies->u_volt == u_volt) in dev_pm_opp_adjust_voltage()
2954 opp->supplies->u_volt = u_volt; in dev_pm_opp_adjust_voltage()
2955 opp->supplies->u_volt_min = u_volt_min; in dev_pm_opp_adjust_voltage()
2956 opp->supplies->u_volt_max = u_volt_max; in dev_pm_opp_adjust_voltage()
2967 blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ADJUST_VOLTAGE, in dev_pm_opp_adjust_voltage()
2975 * dev_pm_opp_sync_regulators() - Sync state of voltage regulators
2995 if (unlikely(!opp_table->regulators)) in dev_pm_opp_sync_regulators()
2999 if (!opp_table->enabled) in dev_pm_opp_sync_regulators()
3002 for (i = 0; i < opp_table->regulator_count; i++) { in dev_pm_opp_sync_regulators()
3003 reg = opp_table->regulators[i]; in dev_pm_opp_sync_regulators()
3014 * dev_pm_opp_enable() - Enable a specific OPP
3022 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
3033 * dev_pm_opp_disable() - Disable a specific OPP
3042 * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
3053 * dev_pm_opp_register_notifier() - Register OPP notifier for the device
3067 return blocking_notifier_chain_register(&opp_table->head, nb); in dev_pm_opp_register_notifier()
3072 * dev_pm_opp_unregister_notifier() - Unregister OPP notifier for the device
3087 return blocking_notifier_chain_unregister(&opp_table->head, nb); in dev_pm_opp_unregister_notifier()
3092 * dev_pm_opp_remove_table() - Free all OPPs associated with the device
3107 if (error != -ENODEV) in dev_pm_opp_remove_table()