331 static int secondary_configuration_type4a(struct st95hf_context *stcontext)  in secondary_configuration_type4a()  argument
334 	struct device *dev = &stcontext->nfcdev->dev;  in secondary_configuration_type4a()
337 	result = st95hf_send_recv_cmd(stcontext,  in secondary_configuration_type4a()
348 	result = st95hf_send_recv_cmd(stcontext,  in secondary_configuration_type4a()
359 static int secondary_configuration_type4b(struct st95hf_context *stcontext)  in secondary_configuration_type4b()  argument
362 	struct device *dev = &stcontext->nfcdev->dev;  in secondary_configuration_type4b()
364 	result = st95hf_send_recv_cmd(stcontext,  in secondary_configuration_type4b()
375 static int st95hf_select_protocol(struct st95hf_context *stcontext, int type)  in st95hf_select_protocol()  argument
380 	dev = &stcontext->nfcdev->dev;  in st95hf_select_protocol()
384 		stcontext->current_rf_tech = NFC_DIGITAL_RF_TECH_106A;  in st95hf_select_protocol()
385 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_select_protocol()
397 		result = secondary_configuration_type4a(stcontext);  in st95hf_select_protocol()
405 		stcontext->current_rf_tech = NFC_DIGITAL_RF_TECH_106B;  in st95hf_select_protocol()
406 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_select_protocol()
424 		result = secondary_configuration_type4b(stcontext);  in st95hf_select_protocol()
432 		stcontext->current_rf_tech = NFC_DIGITAL_RF_TECH_ISO15693;  in st95hf_select_protocol()
433 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_select_protocol()
603 static int st95hf_handle_wtx(struct st95hf_context *stcontext,  in st95hf_handle_wtx()  argument
610 	struct nfc_digital_dev *nfcddev = stcontext->ddev;  in st95hf_handle_wtx()
611 	struct device *dev = &stcontext->nfcdev->dev;  in st95hf_handle_wtx()
614 		result = iso14443_config_fdt(stcontext, wtx_val & 0x3f);  in st95hf_handle_wtx()
625 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_handle_wtx()
641 	result = iso14443_config_fdt(stcontext, val_mm);  in st95hf_handle_wtx()
649 static int st95hf_error_handling(struct st95hf_context *stcontext,  in st95hf_error_handling()  argument
655 	struct device *dev = &stcontext->nfcdev->dev;  in st95hf_error_handling()
667 	switch (stcontext->current_rf_tech) {  in st95hf_error_handling()
669 		if (stcontext->sendrcv_trflag == TRFLAG_NFCA_STD_FRAME_CRC) {  in st95hf_error_handling()
694 static int st95hf_response_handler(struct st95hf_context *stcontext,  in st95hf_response_handler()  argument
701 	struct nfc_digital_dev *nfcddev = stcontext->ddev;  in st95hf_response_handler()
702 	struct device *dev = &stcontext->nfcdev->dev;  in st95hf_response_handler()
705 	cb_arg = &stcontext->complete_cb_arg;  in st95hf_response_handler()
719 			stcontext->fwi =  in st95hf_response_handler()
722 			stcontext->fwi =  in st95hf_response_handler()
727 		result = iso14443_config_fdt(stcontext, val_mm);  in st95hf_response_handler()
737 	switch (stcontext->current_rf_tech) {  in st95hf_response_handler()
739 		if (stcontext->sendrcv_trflag == TRFLAG_NFCA_STD_FRAME_CRC)  in st95hf_response_handler()
755 	struct st95hf_context *stcontext  =  in st95hf_irq_handler()  local
758 	if (stcontext->spicontext.req_issync) {  in st95hf_irq_handler()
759 		complete(&stcontext->spicontext.done);  in st95hf_irq_handler()
760 		stcontext->spicontext.req_issync = false;  in st95hf_irq_handler()
774 	struct st95hf_context *stcontext  =  in st95hf_irq_thread_handler()  local
778 	spidevice = &stcontext->spicontext.spidev->dev;  in st95hf_irq_thread_handler()
793 	if (!down_trylock(&stcontext->exchange_lock)) {  in st95hf_irq_thread_handler()
794 		up(&stcontext->exchange_lock);  in st95hf_irq_thread_handler()
799 	cb_arg = &stcontext->complete_cb_arg;  in st95hf_irq_thread_handler()
802 	mutex_lock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
803 	res_len = st95hf_spi_recv_response(&stcontext->spicontext,  in st95hf_irq_thread_handler()
812 	if (stcontext->nfcdev_free) {  in st95hf_irq_thread_handler()
819 		result = st95hf_handle_wtx(stcontext, true, skb_resp->data[3]);  in st95hf_irq_thread_handler()
824 		mutex_unlock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
828 	result = st95hf_error_handling(stcontext, skb_resp, res_len);  in st95hf_irq_thread_handler()
832 	result = st95hf_response_handler(stcontext, skb_resp, res_len);  in st95hf_irq_thread_handler()
842 		result = st95hf_handle_wtx(stcontext, false, 0);  in st95hf_irq_thread_handler()
848 	cb_arg->complete_cb(stcontext->ddev, cb_arg->cb_usrarg, skb_resp);  in st95hf_irq_thread_handler()
851 	up(&stcontext->exchange_lock);  in st95hf_irq_thread_handler()
852 	mutex_unlock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
862 	cb_arg->complete_cb(stcontext->ddev, cb_arg->cb_usrarg, skb_resp);  in st95hf_irq_thread_handler()
864 	up(&stcontext->exchange_lock);  in st95hf_irq_thread_handler()
865 	mutex_unlock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
874 	struct st95hf_context *stcontext = nfc_digital_get_drvdata(ddev);  in st95hf_in_configure_hw()  local
877 		return st95hf_select_protocol(stcontext, param);  in st95hf_in_configure_hw()
882 			stcontext->sendrcv_trflag = TRFLAG_NFCA_SHORT_FRAME;  in st95hf_in_configure_hw()
885 			stcontext->sendrcv_trflag = TRFLAG_NFCA_STD_FRAME;  in st95hf_in_configure_hw()
890 			stcontext->sendrcv_trflag = TRFLAG_NFCA_STD_FRAME_CRC;  in st95hf_in_configure_hw()
902 static int rf_off(struct st95hf_context *stcontext)  in rf_off()  argument
907 	dev = &stcontext->nfcdev->dev;  in rf_off()
909 	rc = st95hf_send_recv_cmd(stcontext, CMD_FIELD_OFF, 0, NULL, true);  in rf_off()
922 	struct st95hf_context *stcontext = nfc_digital_get_drvdata(ddev);  in st95hf_in_send_cmd()  local
931 	switch (stcontext->current_rf_tech) {  in st95hf_in_send_cmd()
934 		skb_put_u8(skb, stcontext->sendrcv_trflag);  in st95hf_in_send_cmd()
950 	stcontext->complete_cb_arg.skb_resp = skb_resp;  in st95hf_in_send_cmd()
951 	stcontext->complete_cb_arg.cb_usrarg = arg;  in st95hf_in_send_cmd()
952 	stcontext->complete_cb_arg.complete_cb = cb;  in st95hf_in_send_cmd()
956 		stcontext->complete_cb_arg.rats = true;  in st95hf_in_send_cmd()
963 	rc = down_killable(&stcontext->exchange_lock);  in st95hf_in_send_cmd()
969 	rc = st95hf_spi_send(&stcontext->spicontext, skb->data,  in st95hf_in_send_cmd()
973 		dev_err(&stcontext->nfcdev->dev,  in st95hf_in_send_cmd()
976 		up(&stcontext->exchange_lock);  in st95hf_in_send_cmd()
1022 	struct st95hf_context *stcontext = nfc_digital_get_drvdata(ddev);  in st95hf_switch_rf()  local
1028 		return st95hf_select_protocol(stcontext, rf_tech);  in st95hf_switch_rf()
1031 	return rf_off(stcontext);  in st95hf_switch_rf()
1207 	struct st95hf_context *stcontext = container_of(spictx,  in st95hf_remove()  local
1211 	mutex_lock(&stcontext->rm_lock);  in st95hf_remove()
1213 	nfc_digital_unregister_device(stcontext->ddev);  in st95hf_remove()
1214 	nfc_digital_free_device(stcontext->ddev);  in st95hf_remove()
1215 	stcontext->nfcdev_free = true;  in st95hf_remove()
1217 	mutex_unlock(&stcontext->rm_lock);  in st95hf_remove()
1220 	result = down_killable(&stcontext->exchange_lock);  in st95hf_remove()
1225 	result = st95hf_spi_send(&stcontext->spicontext,  in st95hf_remove()
1237 	if (stcontext->st95hf_supply)  in st95hf_remove()
1238 		regulator_disable(stcontext->st95hf_supply);  in st95hf_remove()