30  * @ps: PSE PI supply of the PSE control
61 					 struct pse_pi *pi,  in of_load_single_pse_pi_pairset()  argument
74 		pi->pairset[pairset_num].pinout = ALTERNATIVE_A;  in of_load_single_pse_pi_pairset()
76 		pi->pairset[pairset_num].pinout = ALTERNATIVE_B;  in of_load_single_pse_pi_pairset()
87 	pi->pairset[pairset_num].np = pairset_np;  in of_load_single_pse_pi_pairset()
93  * of_load_pse_pi_pairsets - load PSE PI pairsets pinout and polarity
95  * @pi: a pointer of the PSE PI to fill
96  * @npairsets: the number of pairsets (1 or 2) used by the PI
101 				   struct pse_pi *pi,  in of_load_pse_pi_pairsets()  argument
114 		ret = of_load_single_pse_pi_pairset(node, pi, i);  in of_load_pse_pi_pairsets()
120 	    pi->pairset[0].pinout == pi->pairset[1].pinout) {  in of_load_pse_pi_pairsets()
121 		pr_err("pse: two PI pairsets can not have identical pinout (%pOF)",  in of_load_pse_pi_pairsets()
129 		of_node_put(pi->pairset[0].np);  in of_load_pse_pi_pairsets()
130 		pi->pairset[0].np = NULL;  in of_load_pse_pi_pairsets()
131 		of_node_put(pi->pairset[1].np);  in of_load_pse_pi_pairsets()
132 		pi->pairset[1].np = NULL;  in of_load_pse_pi_pairsets()
143 		of_node_put(pcdev->pi[i].pairset[0].np);  in pse_release_pis()
144 		of_node_put(pcdev->pi[i].pairset[1].np);  in pse_release_pis()
145 		of_node_put(pcdev->pi[i].np);  in pse_release_pis()
147 	kfree(pcdev->pi);  in pse_release_pis()
165 	pcdev->pi = kcalloc(pcdev->nr_lines, sizeof(*pcdev->pi), GFP_KERNEL);  in of_load_pse_pis()
166 	if (!pcdev->pi)  in of_load_pse_pis()
177 		struct pse_pi pi = {0};  in of_load_pse_pis()  local
180 		if (!of_node_name_eq(node, "pse-pi"))  in of_load_pse_pis()
199 		if (pcdev->pi[id].np) {  in of_load_pse_pis()
202 				pcdev->pi[id].np, node);  in of_load_pse_pis()
210 			ret = of_load_pse_pi_pairsets(node, &pi, ret);  in of_load_pse_pis()
222 		pi.np = node;  in of_load_pse_pis()
223 		memcpy(&pcdev->pi[id], &pi, sizeof(pi));  in of_load_pse_pis()
279  * pse_pi_is_hw_enabled - Is PI enabled at the hardware level
281  * @id: Index of the PI
283  * Return: 1 if the PI is enabled at the hardware level, 0 if not, and
295 	/* PI is well enabled at the hardware level */  in pse_pi_is_hw_enabled()
304  * pse_pi_is_admin_enable_pending - Check if PI is in admin enable pending state
308  * @id: Index of the PI
310  * Detects if a PI is enabled in software with a PD detected, but the hardware
316  * Return: true if the PI has admin enable flag set in software but not yet
324 	/* PI not enabled or nothing is plugged */  in pse_pi_is_admin_enable_pending()
325 	if (!pcdev->pi[id].admin_state_enabled ||  in pse_pi_is_admin_enable_pending()
326 	    !pcdev->pi[id].isr_pd_detected)  in pse_pi_is_admin_enable_pending()
330 	/* PSE PI is already enabled at hardware level */  in pse_pi_is_admin_enable_pending()
362 		if (pcdev->pi[i].pw_d != pw_d)  in pse_pw_d_retry_power_delivery()
368 		/* Do not try to enable PI with a lower prio (higher value)  in pse_pw_d_retry_power_delivery()
371 		if (pcdev->pi[i].prio > prio_max)  in pse_pw_d_retry_power_delivery()
376 			prio_max = pcdev->pi[i].prio;  in pse_pw_d_retry_power_delivery()
424 	if (pse_pw_d_is_sw_pw_control(pcdev, pcdev->pi[id].pw_d)) {  in pse_pi_is_enabled()
425 		ret = pcdev->pi[id].admin_state_enabled;  in pse_pi_is_enabled()
438  * pse_pi_deallocate_pw_budget - Deallocate power budget of the PI
439  * @pi: a pointer to the PSE PI
441 static void pse_pi_deallocate_pw_budget(struct pse_pi *pi)  in pse_pi_deallocate_pw_budget()  argument
443 	if (!pi->pw_d || !pi->pw_allocated_mW)  in pse_pi_deallocate_pw_budget()
446 	regulator_free_power_budget(pi->pw_d->supply, pi->pw_allocated_mW);  in pse_pi_deallocate_pw_budget()
447 	pi->pw_allocated_mW = 0;  in pse_pi_deallocate_pw_budget()
470 	pse_pi_deallocate_pw_budget(&pcdev->pi[id]);  in _pse_pi_disable()
472 	if (pse_pw_d_is_sw_pw_control(pcdev, pcdev->pi[id].pw_d))  in _pse_pi_disable()
473 		pse_pw_d_retry_power_delivery(pcdev, pcdev->pi[id].pw_d);  in _pse_pi_disable()
479  * pse_disable_pi_pol - Disable a PI on a power budget policy
481  * @id: index of the PSE PI
491 	dev_dbg(pcdev->dev, "Disabling PI %d to free power budget\n", id);  in pse_disable_pi_pol()
523 		if (pcdev->pi[i].prio != prio ||  in pse_disable_pi_prio()
524 		    pcdev->pi[i].pw_d != pw_d ||  in pse_disable_pi_prio()
537  * pse_pi_allocate_pw_budget_static_prio - Allocate power budget for the PI
555 	struct pse_pi *pi = &pcdev->pi[id];  in pse_pi_allocate_pw_budget_static_prio()  local
559 	while (regulator_request_power_budget(pi->pw_d->supply, pw_req) == -ERANGE) {  in pse_pi_allocate_pw_budget_static_prio()
560 		if (_prio <= pi->prio) {  in pse_pi_allocate_pw_budget_static_prio()
562 					   "PI %d: not enough power budget available",  in pse_pi_allocate_pw_budget_static_prio()
567 		ret = pse_disable_pi_prio(pcdev, pi->pw_d, _prio);  in pse_pi_allocate_pw_budget_static_prio()
574 	pi->pw_allocated_mW = pw_req;  in pse_pi_allocate_pw_budget_static_prio()
579  * pse_pi_allocate_pw_budget - Allocate power budget for the PI
590 	struct pse_pi *pi = &pcdev->pi[id];  in pse_pi_allocate_pw_budget()  local
592 	if (!pi->pw_d)  in pse_pi_allocate_pw_budget()
596 	if (pi->pw_d->budget_eval_strategy == PSE_BUDGET_EVAL_STRAT_STATIC)  in pse_pi_allocate_pw_budget()
604  * _pse_pi_delivery_power_sw_pw_ctrl - Enable PSE PI in case of software power
618 	struct pse_pi *pi = &pcdev->pi[id];  in _pse_pi_delivery_power_sw_pw_ctrl()  local
626 					   "PI %d: enable error %d",  in _pse_pi_delivery_power_sw_pw_ctrl()
655 		pse_pi_deallocate_pw_budget(pi);  in _pse_pi_delivery_power_sw_pw_ctrl()
657 				   "PI %d: enable error %d",  in _pse_pi_delivery_power_sw_pw_ctrl()
677 	if (pse_pw_d_is_sw_pw_control(pcdev, pcdev->pi[id].pw_d)) {  in pse_pi_enable()
681 		if (pcdev->pi[id].isr_pd_detected) {  in pse_pi_enable()
687 			pcdev->pi[id].admin_state_enabled = 1;  in pse_pi_enable()
696 		pcdev->pi[id].admin_state_enabled = 1;  in pse_pi_enable()
705 	struct pse_pi *pi;  in pse_pi_disable()  local
709 	pi = &pcdev->pi[id];  in pse_pi_disable()
713 		pi->admin_state_enabled = 0;  in pse_pi_disable()
848 	 * PSE PI id for the well functioning of the PSE controls.  in devm_pse_pi_regulator_register()
867 	rconfig.of_node = pcdev->pi[id].np;  in devm_pse_pi_regulator_register()
876 	pcdev->pi[id].rdev = rdev;  in devm_pse_pi_regulator_register()
902 		if (!pcdev->pi[i].pw_d)  in pse_flush_pw_ds()
905 		pw_d = xa_load(&pse_pw_d_map, pcdev->pi[i].pw_d->id);  in pse_flush_pw_ds()
951 		struct regulator_dev *rdev = pcdev->pi[i].rdev;  in pse_register_pw_ds()
969 				pcdev->pi[i].pw_d = pw_d;  in pse_register_pw_ds()
997 		pcdev->pi[i].pw_d = pw_d;  in pse_register_pw_ds()
1079 	/* Register PI regulators */  in pse_controller_register()
1084 		if (!pcdev->no_of_pse_pi && !pcdev->pi[i].np)  in pse_controller_register()
1215 			"PI %d: error, connection and disconnection reported simultaneously",  in pse_set_config_isr()
1223 		pcdev->pi[id].isr_pd_detected = true;  in pse_set_config_isr()
1224 		if (pcdev->pi[id].admin_state_enabled) {  in pse_set_config_isr()
1231 		if (pcdev->pi[id].admin_state_enabled &&  in pse_set_config_isr()
1232 		    pcdev->pi[id].isr_pd_detected)  in pse_set_config_isr()
1234 		pcdev->pi[id].isr_pd_detected = false;  in pse_set_config_isr()
1271 		/* Do nothing PI not described */  in pse_isr()
1272 		if (!pcdev->pi[i].rdev)  in pse_isr()
1276 		if (pse_pw_d_is_sw_pw_control(pcdev, pcdev->pi[i].pw_d)) {  in pse_isr()
1292 		regulator_notifier_call_chain(pcdev->pi[i].rdev, rnotifs,  in pse_isr()
1363 	if (psec->pcdev->pi[psec->id].admin_state_enabled)  in __pse_control_release()
1433 	pcdev->pi[index].admin_state_enabled = ret;  in pse_control_get_internal()
1435 						rdev_get_name(pcdev->pi[index].rdev));  in pse_control_get_internal()
1458  * of_pse_match_pi - Find the PSE PI id matching the device node phandle
1462  * Return: id of the PSE PI, -EINVAL if not found
1470 		if (pcdev->pi[i].np == np)  in of_pse_match_pi()
1568 	struct pse_pi *pi = &psec->pcdev->pi[psec->id];  in pse_get_sw_admin_state()  local
1571 		if (pi->admin_state_enabled)  in pse_get_sw_admin_state()
1579 		if (pi->admin_state_enabled)  in pse_get_sw_admin_state()
1604 	struct pse_pi *pi;  in pse_ethtool_get_status()  local
1610 	pi = &pcdev->pi[psec->id];  in pse_ethtool_get_status()
1612 	if (pi->pw_d) {  in pse_ethtool_get_status()
1613 		status->pw_d_id = pi->pw_d->id;  in pse_ethtool_get_status()
1614 		if (pse_pw_d_is_sw_pw_control(pcdev, pi->pw_d)) {  in pse_ethtool_get_status()
1625 		switch (pi->pw_d->budget_eval_strategy) {  in pse_ethtool_get_status()
1628 			status->prio = pi->prio;  in pse_ethtool_get_status()
1718 		 * the PI is forcibly turn off by the controller. Call  in pse_ethtool_c33_set_config()
1721 		if (psec->pcdev->pi[psec->id].admin_state_enabled &&  in pse_ethtool_c33_set_config()
1727 		if (!psec->pcdev->pi[psec->id].admin_state_enabled)  in pse_ethtool_c33_set_config()
1731 		if (psec->pcdev->pi[psec->id].admin_state_enabled)  in pse_ethtool_c33_set_config()
1751 		if (!psec->pcdev->pi[psec->id].admin_state_enabled)  in pse_ethtool_podl_set_config()
1755 		if (psec->pcdev->pi[psec->id].admin_state_enabled)  in pse_ethtool_podl_set_config()
1796  * @id: index of the PSE PI
1806 	struct pse_pi *pi = &pcdev->pi[id];  in pse_pi_update_pw_budget()  local
1814 	previous_pw_allocated = pi->pw_allocated_mW;  in pse_pi_update_pw_budget()
1819 		ret = regulator_request_power_budget(pi->pw_d->supply, pw_diff);  in pse_pi_update_pw_budget()
1822 					   "PI %d: not enough power budget available",  in pse_pi_update_pw_budget()
1828 		regulator_free_power_budget(pi->pw_d->supply, -pw_diff);  in pse_pi_update_pw_budget()
1830 	pi->pw_allocated_mW = pw_req;  in pse_pi_update_pw_budget()
1878 				      psec->pcdev->pi[psec->id].pw_d) &&  in pse_ethtool_set_pw_limit()
1879 	    psec->pcdev->pi[psec->id].admin_state_enabled &&  in pse_ethtool_set_pw_limit()
1880 	    psec->pcdev->pi[psec->id].isr_pd_detected) {  in pse_ethtool_set_pw_limit()
1899  * pse_ethtool_set_prio - Set PSE PI priority according to the budget
1915 	if (!pcdev->pi[psec->id].pw_d) {  in pse_ethtool_set_prio()
1924 	switch (pcdev->pi[psec->id].pw_d->budget_eval_strategy) {  in pse_ethtool_set_prio()
1934 		pcdev->pi[psec->id].prio = prio;  in pse_ethtool_set_prio()
1935 		pse_pw_d_retry_power_delivery(pcdev, pcdev->pi[psec->id].pw_d);  in pse_ethtool_set_prio()