3  * SPDX-License-Identifier: Apache-2.0
37 	/** Alert handler set by USB-C stack */
39 	/** Alert handler data set by USB-C stack */
42 	/** VCONN discharge callback set by USB-C stack */
44 	/** VCONN discharge callback data set by USB-C stack */
46 	/** Polarity of CC lines for PD and VCONN */
69 	const struct ps8xxx_cfg *cfg = dev->config;  in tcpci_init_alert_mask()
76 	ret = tcpci_write_reg16(&cfg->bus, TCPC_REG_ALERT_MASK, mask);  in tcpci_init_alert_mask()
86 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_init()
88 	if (!data->initialized) {  in ps8xxx_tcpc_init()
89 		if (data->init_retries > CONFIG_USBC_TCPC_PS8XXX_INIT_RETRIES) {  in ps8xxx_tcpc_init()
91 			return -EIO;  in ps8xxx_tcpc_init()
94 		return -EAGAIN;  in ps8xxx_tcpc_init()
104 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_get_cc()
105 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_get_cc()
108 	if (!data->initialized) {  in ps8xxx_tcpc_get_cc()
109 		return -EIO;  in ps8xxx_tcpc_get_cc()
112 	if (IS_ENABLED(CONFIG_USBC_CSM_SINK_ONLY) && !data->cc_changed) {  in ps8xxx_tcpc_get_cc()
113 		*cc1 = data->cc1;  in ps8xxx_tcpc_get_cc()
114 		*cc2 = data->cc2;  in ps8xxx_tcpc_get_cc()
119 	data->cc_changed = false;  in ps8xxx_tcpc_get_cc()
121 	ret = tcpci_tcpm_get_cc(&cfg->bus, cc1, cc2);  in ps8xxx_tcpc_get_cc()
123 	if (IS_ENABLED(CONFIG_USBC_CSM_SINK_ONLY) || *cc1 != data->cc1 || *cc2 != data->cc2) {  in ps8xxx_tcpc_get_cc()
124 		LOG_DBG("CC changed values: %d->%d, %d->%d", data->cc1, *cc1, data->cc2, *cc2);  in ps8xxx_tcpc_get_cc()
125 		data->cc1 = *cc1;  in ps8xxx_tcpc_get_cc()
126 		data->cc2 = *cc2;  in ps8xxx_tcpc_get_cc()
134 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_select_rp_value()
135 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_select_rp_value()
137 	data->cc_changed = true;  in ps8xxx_tcpc_select_rp_value()
139 	return tcpci_update_reg8(&cfg->bus, TCPC_REG_ROLE_CTRL, TCPC_REG_ROLE_CTRL_RP_MASK,  in ps8xxx_tcpc_select_rp_value()
145 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_get_rp_value()
149 	ret = tcpci_read_reg8(&cfg->bus, TCPC_REG_ROLE_CTRL, &reg_value);  in ps8xxx_tcpc_get_rp_value()
157 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_cc()
158 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_set_cc()
160 	if (!data->initialized) {  in ps8xxx_tcpc_set_cc()
161 		return -EIO;  in ps8xxx_tcpc_set_cc()
164 	data->cc_changed = true;  in ps8xxx_tcpc_set_cc()
166 	return tcpci_update_reg8(&cfg->bus, TCPC_REG_ROLE_CTRL,  in ps8xxx_tcpc_set_cc()
173 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_set_vconn_discharge_cb()
175 	data->vconn_discharge_cb = cb;  in ps8xxx_tcpc_set_vconn_discharge_cb()
180 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_set_vconn_cb()
182 	data->vconn_cb = vconn_cb;  in ps8xxx_tcpc_set_vconn_cb()
185 int ps8xxx_tcpc_vconn_discharge(const struct device *dev, bool enable)  in ps8xxx_tcpc_vconn_discharge()  argument
187 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_vconn_discharge()
189 	return tcpci_update_reg8(&cfg->bus, TCPC_REG_POWER_CTRL,  in ps8xxx_tcpc_vconn_discharge()
191 				 (enable) ? TCPC_REG_POWER_CTRL_AUTO_DISCHARGE_DISCONNECT : 0);  in ps8xxx_tcpc_vconn_discharge()
194 int ps8xxx_tcpc_set_vconn(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_vconn()  argument
196 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_vconn()
197 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_set_vconn()
200 	if (!data->initialized) {  in ps8xxx_tcpc_set_vconn()
201 		return -EIO;  in ps8xxx_tcpc_set_vconn()
204 	data->cc_changed = true;  in ps8xxx_tcpc_set_vconn()
205 	ret = tcpci_update_reg8(&cfg->bus, TCPC_REG_POWER_CTRL, TCPC_REG_POWER_CTRL_VCONN_EN,  in ps8xxx_tcpc_set_vconn()
206 				enable ? TCPC_REG_POWER_CTRL_VCONN_EN : 0);  in ps8xxx_tcpc_set_vconn()
212 	if (data->vconn_cb != NULL) {  in ps8xxx_tcpc_set_vconn()
213 		ret = data->vconn_cb(dev, data->cc_polarity, enable);  in ps8xxx_tcpc_set_vconn()
222 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_roles()
224 	return tcpci_update_reg8(&cfg->bus, TCPC_REG_MSG_HDR_INFO, TCPC_REG_MSG_HDR_INFO_ROLES_MASK,  in ps8xxx_tcpc_set_roles()
230 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_get_rx_pending_msg()
231 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_get_rx_pending_msg()
239 	if (!data->msg_pending) {  in ps8xxx_tcpc_get_rx_pending_msg()
240 		return -ENODATA;  in ps8xxx_tcpc_get_rx_pending_msg()
247 	data->msg_pending = false;  in ps8xxx_tcpc_get_rx_pending_msg()
256 	ret = i2c_transfer(cfg->bus.bus, buf, 2, cfg->bus.addr);  in ps8xxx_tcpc_get_rx_pending_msg()
266 	buf[2].buf = (uint8_t *)&msg->type;  in ps8xxx_tcpc_get_rx_pending_msg()
270 	msg->header.raw_value = 0;  in ps8xxx_tcpc_get_rx_pending_msg()
271 	buf[3].buf = (uint8_t *)&msg->header.raw_value;  in ps8xxx_tcpc_get_rx_pending_msg()
276 		buf[4].buf = msg->data;  in ps8xxx_tcpc_get_rx_pending_msg()
277 		buf[4].len = msg_len - 3;  in ps8xxx_tcpc_get_rx_pending_msg()
288 	ret = i2c_transfer(cfg->bus.bus, buf, buf_count, cfg->bus.addr);  in ps8xxx_tcpc_get_rx_pending_msg()
292 		msg->len = (msg_len > 3) ? msg_len - 3 : 0;  in ps8xxx_tcpc_get_rx_pending_msg()
293 		ret = sizeof(msg->header.raw_value) + msg->len;  in ps8xxx_tcpc_get_rx_pending_msg()
296 	tcpci_write_reg16(&cfg->bus, TCPC_REG_ALERT, TCPC_REG_ALERT_RX_STATUS);  in ps8xxx_tcpc_get_rx_pending_msg()
300 int ps8xxx_tcpc_set_rx_enable(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_rx_enable()  argument
302 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_rx_enable()
303 	int detect_sop_en = enable ? TCPC_REG_RX_DETECT_SOP_HRST_MASK : 0;  in ps8xxx_tcpc_set_rx_enable()
305 	return tcpci_write_reg8(&cfg->bus, TCPC_REG_RX_DETECT, detect_sop_en);  in ps8xxx_tcpc_set_rx_enable()
308 int ps8xxx_tcpc_set_cc_polarity(const struct device *dev, enum tc_cc_polarity polarity)  in ps8xxx_tcpc_set_cc_polarity()  argument
310 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_cc_polarity()
311 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_set_cc_polarity()
314 	if (!data->initialized) {  in ps8xxx_tcpc_set_cc_polarity()
315 		return -EIO;  in ps8xxx_tcpc_set_cc_polarity()
319 		&cfg->bus, TCPC_REG_TCPC_CTRL, TCPC_REG_TCPC_CTRL_PLUG_ORIENTATION,  in ps8xxx_tcpc_set_cc_polarity()
320 		(polarity == TC_POLARITY_CC1) ? 0 : TCPC_REG_TCPC_CTRL_PLUG_ORIENTATION);  in ps8xxx_tcpc_set_cc_polarity()
326 	data->cc_changed = true;  in ps8xxx_tcpc_set_cc_polarity()
327 	data->cc_polarity = polarity;  in ps8xxx_tcpc_set_cc_polarity()
333 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_transmit_data()
337 	int cnt = 4 * msg->header.number_of_data_objects;  in ps8xxx_tcpc_transmit_data()
340 	if (msg->header.message_type >= NUM_SOP_STAR_TYPES) {  in ps8xxx_tcpc_transmit_data()
346 			&cfg->bus, TCPC_REG_TRANSMIT,  in ps8xxx_tcpc_transmit_data()
347 			TCPC_REG_TRANSMIT_SET_WITHOUT_RETRY(msg->header.message_type));  in ps8xxx_tcpc_transmit_data()
353 		cnt += sizeof(msg->header.raw_value);  in ps8xxx_tcpc_transmit_data()
363 		buf[1].buf = (uint8_t *)&msg->header.raw_value;  in ps8xxx_tcpc_transmit_data()
364 		buf[1].len = sizeof(msg->header.raw_value);  in ps8xxx_tcpc_transmit_data()
367 		buf[2].buf = (uint8_t *)msg->data;  in ps8xxx_tcpc_transmit_data()
368 		buf[2].len = msg->len;  in ps8xxx_tcpc_transmit_data()
371 		if (cnt > sizeof(msg->header.raw_value)) {  in ps8xxx_tcpc_transmit_data()
372 			rv = i2c_transfer(cfg->bus.bus, buf, 3, cfg->bus.addr);  in ps8xxx_tcpc_transmit_data()
375 			rv = i2c_transfer(cfg->bus.bus, buf, 2, cfg->bus.addr);  in ps8xxx_tcpc_transmit_data()
391 	rv = tcpci_write_reg8(&cfg->bus, TCPC_REG_TRANSMIT,  in ps8xxx_tcpc_transmit_data()
392 			      TCPC_REG_TRANSMIT_SET_WITH_RETRY(cfg->transmit_retries, msg->type));  in ps8xxx_tcpc_transmit_data()
399 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_dump_std_reg()
402 	LOG_INF("TCPC %s:%s registers:", cfg->bus.bus->name, dev->name);  in ps8xxx_tcpc_dump_std_reg()
406 			tcpci_read_reg8(&cfg->bus, tcpci_std_regs[a].addr, (uint8_t *)&value);  in ps8xxx_tcpc_dump_std_reg()
407 			LOG_INF("- %-30s(0x%02x) =   0x%02x", tcpci_std_regs[a].name,  in ps8xxx_tcpc_dump_std_reg()
411 			tcpci_read_reg16(&cfg->bus, tcpci_std_regs[a].addr, &value);  in ps8xxx_tcpc_dump_std_reg()
412 			LOG_INF("- %-30s(0x%02x) = 0x%04x", tcpci_std_regs[a].name,  in ps8xxx_tcpc_dump_std_reg()
428 	return -ENOSYS;  in ps8xxx_tcpc_get_status_register()
434 	return -ENOSYS;  in ps8xxx_tcpc_clear_status_register()
440 	return -ENOSYS;  in ps8xxx_tcpc_mask_status_register()
443 int ps8xxx_tcpc_set_debug_accessory(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_debug_accessory()  argument
445 	return -ENOSYS;  in ps8xxx_tcpc_set_debug_accessory()
450 	return -ENOSYS;  in ps8xxx_tcpc_set_debug_detach()
453 int ps8xxx_tcpc_set_drp_toggle(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_drp_toggle()  argument
455 	return -ENOSYS;  in ps8xxx_tcpc_set_drp_toggle()
460 	return -ENOSYS;  in ps8xxx_tcpc_get_snk_ctrl()
463 int ps8xxx_tcpc_set_snk_ctrl(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_snk_ctrl()  argument
465 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_snk_ctrl()
466 	uint8_t cmd = (enable) ? TCPC_REG_COMMAND_SNK_CTRL_HIGH : TCPC_REG_COMMAND_SNK_CTRL_LOW;  in ps8xxx_tcpc_set_snk_ctrl()
468 	return tcpci_write_reg8(&cfg->bus, TCPC_REG_COMMAND, cmd);  in ps8xxx_tcpc_set_snk_ctrl()
473 	return -ENOSYS;  in ps8xxx_tcpc_get_src_ctrl()
476 int ps8xxx_tcpc_set_src_ctrl(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_src_ctrl()  argument
478 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_src_ctrl()
479 	uint8_t cmd = (enable) ? TCPC_REG_COMMAND_SRC_CTRL_DEF : TCPC_REG_COMMAND_SRC_CTRL_LOW;  in ps8xxx_tcpc_set_src_ctrl()
481 	return tcpci_write_reg8(&cfg->bus, TCPC_REG_COMMAND, cmd);  in ps8xxx_tcpc_set_src_ctrl()
486 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_get_chip_info()
490 		return -EIO;  in ps8xxx_tcpc_get_chip_info()
493 	ret |= tcpci_read_reg16(&cfg->bus, TCPC_REG_VENDOR_ID, &chip_info->vendor_id);  in ps8xxx_tcpc_get_chip_info()
494 	ret |= tcpci_read_reg16(&cfg->bus, TCPC_REG_PRODUCT_ID, &chip_info->product_id);  in ps8xxx_tcpc_get_chip_info()
495 	ret |= tcpci_read_reg16(&cfg->bus, TCPC_REG_BCD_DEV, &chip_info->device_id);  in ps8xxx_tcpc_get_chip_info()
498 	if (chip_info->product_id == PS8815_PRODUCT_ID) {  in ps8xxx_tcpc_get_chip_info()
501 		ret |= tcpci_read_reg8(&cfg->bus, PS8815_REG_FW_VER, &fw_ver);  in ps8xxx_tcpc_get_chip_info()
502 		chip_info->fw_version_number = fw_ver;  in ps8xxx_tcpc_get_chip_info()
504 		chip_info->fw_version_number = 0;  in ps8xxx_tcpc_get_chip_info()
507 	chip_info->min_req_fw_version_number = 0;  in ps8xxx_tcpc_get_chip_info()
512 int ps8xxx_tcpc_set_low_power_mode(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_low_power_mode()  argument
514 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_tcpc_set_low_power_mode()
516 	return tcpci_write_reg8(&cfg->bus, TCPC_REG_COMMAND, TCPC_REG_COMMAND_I2CIDLE);  in ps8xxx_tcpc_set_low_power_mode()
519 int ps8xxx_tcpc_sop_prime_enable(const struct device *dev, bool enable)  in ps8xxx_tcpc_sop_prime_enable()  argument
521 	return -ENOSYS;  in ps8xxx_tcpc_sop_prime_enable()
524 int ps8xxx_tcpc_set_bist_test_mode(const struct device *dev, bool enable)  in ps8xxx_tcpc_set_bist_test_mode()  argument
526 	return -ENOSYS;  in ps8xxx_tcpc_set_bist_test_mode()
532 	struct ps8xxx_data *data = dev->data;  in ps8xxx_tcpc_set_alert_handler_cb()
534 	if (data->alert_handler == handler && data->alert_handler_data == handler_data) {  in ps8xxx_tcpc_set_alert_handler_cb()
538 	data->alert_handler = handler;  in ps8xxx_tcpc_set_alert_handler_cb()
539 	data->alert_handler_data = handler_data;  in ps8xxx_tcpc_set_alert_handler_cb()
584 	k_work_submit(&data->alert_work);  in ps8xxx_alert_cb()
590 	const struct device *dev = data->dev;  in ps8xxx_alert_work_cb()
591 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_alert_work_cb()
595 	if (!data->initialized) {  in ps8xxx_alert_work_cb()
599 	tcpci_read_reg16(&cfg->bus, TCPC_REG_ALERT, &alert_reg);  in ps8xxx_alert_work_cb()
607 			data->cc_changed = true;  in ps8xxx_alert_work_cb()
611 			tcpci_read_reg8(&cfg->bus, TCPC_REG_FAULT_STATUS, &fault);  in ps8xxx_alert_work_cb()
612 			tcpci_write_reg8(&cfg->bus, TCPC_REG_FAULT_STATUS, fault);  in ps8xxx_alert_work_cb()
618 			tcpci_read_reg8(&cfg->bus, TCPC_REG_EXT_STATUS, &ext_status);  in ps8xxx_alert_work_cb()
619 			tcpci_write_reg8(&cfg->bus, TCPC_REG_EXT_STATUS, ext_status);  in ps8xxx_alert_work_cb()
621 			data->cc_changed = true;  in ps8xxx_alert_work_cb()
626 			tcpci_read_reg8(&cfg->bus, TCPC_REG_POWER_STATUS, &pwr_status);  in ps8xxx_alert_work_cb()
627 			tcpci_write_reg8(&cfg->bus, TCPC_REG_POWER_STATUS, pwr_status);  in ps8xxx_alert_work_cb()
633 			tcpci_read_reg8(&cfg->bus, TCPC_REG_ALERT_EXT, &alert_status);  in ps8xxx_alert_work_cb()
634 			tcpci_write_reg8(&cfg->bus, TCPC_REG_ALERT_EXT, alert_status);  in ps8xxx_alert_work_cb()
638 			data->msg_pending = true;  in ps8xxx_alert_work_cb()
640 			data->cc_changed = true;  in ps8xxx_alert_work_cb()
643 		if (data->alert_handler != NULL) {  in ps8xxx_alert_work_cb()
644 			data->alert_handler(data->dev, data->alert_handler_data, alert_type);  in ps8xxx_alert_work_cb()
651 	tcpci_write_reg16(&cfg->bus, TCPC_REG_ALERT, clear_flags);  in ps8xxx_alert_work_cb()
653 	tcpci_read_reg16(&cfg->bus, TCPC_REG_ALERT, &alert_reg);  in ps8xxx_alert_work_cb()
664 	const struct ps8xxx_cfg *cfg = data->dev->config;  in ps8xxx_init_work_cb()
671 	LOG_INF("Initializing PS8xxx chip: %s", data->dev->name);  in ps8xxx_init_work_cb()
672 	res = tcpci_read_reg8(&cfg->bus, TCPC_REG_POWER_STATUS, &power_reg);  in ps8xxx_init_work_cb()
674 		data->init_retries++;  in ps8xxx_init_work_cb()
676 		if (data->init_retries > CONFIG_USBC_TCPC_PS8XXX_INIT_RETRIES) {  in ps8xxx_init_work_cb()
681 		LOG_DBG("Postpone chip initialization %d", data->init_retries);  in ps8xxx_init_work_cb()
682 		k_work_schedule_for_queue(&k_sys_work_q, &data->init_dwork,  in ps8xxx_init_work_cb()
688 	tcpci_read_reg16(&cfg->bus, TCPC_REG_VENDOR_ID, &idVendor);  in ps8xxx_init_work_cb()
689 	tcpci_read_reg16(&cfg->bus, TCPC_REG_PRODUCT_ID, &idProduct);  in ps8xxx_init_work_cb()
690 	tcpci_read_reg16(&cfg->bus, TCPC_REG_BCD_DEV, &idDevice);  in ps8xxx_init_work_cb()
694 	gpio_pin_configure_dt(&cfg->alert_gpio, GPIO_INPUT);  in ps8xxx_init_work_cb()
696 	gpio_init_callback(&data->alert_cb, ps8xxx_alert_cb, BIT(cfg->alert_gpio.pin));  in ps8xxx_init_work_cb()
697 	gpio_add_callback(cfg->alert_gpio.port, &data->alert_cb);  in ps8xxx_init_work_cb()
698 	gpio_pin_interrupt_configure_dt(&cfg->alert_gpio, GPIO_INT_EDGE_TO_ACTIVE);  in ps8xxx_init_work_cb()
700 	tcpci_init_alert_mask(data->dev);  in ps8xxx_init_work_cb()
701 	data->initialized = true;  in ps8xxx_init_work_cb()
703 	/* Disable the vconn and open CC lines to reinitialize the communication with partner */  in ps8xxx_init_work_cb()
704 	ps8xxx_tcpc_set_vconn(data->dev, false);  in ps8xxx_init_work_cb()
705 	ps8xxx_tcpc_set_cc(data->dev, TC_CC_OPEN);  in ps8xxx_init_work_cb()
708 	k_work_submit(&data->alert_work);  in ps8xxx_init_work_cb()
713 	const struct ps8xxx_cfg *cfg = dev->config;  in ps8xxx_dev_init()
714 	struct ps8xxx_data *data = dev->data;  in ps8xxx_dev_init()
716 	if (!device_is_ready(cfg->bus.bus)) {  in ps8xxx_dev_init()
717 		return -EIO;  in ps8xxx_dev_init()
720 	k_work_init_delayable(&data->init_dwork, ps8xxx_init_work_cb);  in ps8xxx_dev_init()
721 	k_work_schedule_for_queue(&k_sys_work_q, &data->init_dwork,  in ps8xxx_dev_init()
724 	k_work_init(&data->alert_work, ps8xxx_alert_work_cb);  in ps8xxx_dev_init()