332 static int secondary_configuration_type4a(struct st95hf_context *stcontext)  in secondary_configuration_type4a()  argument
335 	struct device *dev = &stcontext->nfcdev->dev;  in secondary_configuration_type4a()
338 	result = st95hf_send_recv_cmd(stcontext,  in secondary_configuration_type4a()
349 	result = st95hf_send_recv_cmd(stcontext,  in secondary_configuration_type4a()
360 static int secondary_configuration_type4b(struct st95hf_context *stcontext)  in secondary_configuration_type4b()  argument
363 	struct device *dev = &stcontext->nfcdev->dev;  in secondary_configuration_type4b()
365 	result = st95hf_send_recv_cmd(stcontext,  in secondary_configuration_type4b()
376 static int st95hf_select_protocol(struct st95hf_context *stcontext, int type)  in st95hf_select_protocol()  argument
381 	dev = &stcontext->nfcdev->dev;  in st95hf_select_protocol()
385 		stcontext->current_rf_tech = NFC_DIGITAL_RF_TECH_106A;  in st95hf_select_protocol()
386 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_select_protocol()
398 		result = secondary_configuration_type4a(stcontext);  in st95hf_select_protocol()
406 		stcontext->current_rf_tech = NFC_DIGITAL_RF_TECH_106B;  in st95hf_select_protocol()
407 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_select_protocol()
425 		result = secondary_configuration_type4b(stcontext);  in st95hf_select_protocol()
433 		stcontext->current_rf_tech = NFC_DIGITAL_RF_TECH_ISO15693;  in st95hf_select_protocol()
434 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_select_protocol()
604 static int st95hf_handle_wtx(struct st95hf_context *stcontext,  in st95hf_handle_wtx()  argument
611 	struct nfc_digital_dev *nfcddev = stcontext->ddev;  in st95hf_handle_wtx()
612 	struct device *dev = &stcontext->nfcdev->dev;  in st95hf_handle_wtx()
615 		result = iso14443_config_fdt(stcontext, wtx_val & 0x3f);  in st95hf_handle_wtx()
626 		result = st95hf_send_recv_cmd(stcontext,  in st95hf_handle_wtx()
642 	result = iso14443_config_fdt(stcontext, val_mm);  in st95hf_handle_wtx()
650 static int st95hf_error_handling(struct st95hf_context *stcontext,  in st95hf_error_handling()  argument
656 	struct device *dev = &stcontext->nfcdev->dev;  in st95hf_error_handling()
668 	switch (stcontext->current_rf_tech) {  in st95hf_error_handling()
670 		if (stcontext->sendrcv_trflag == TRFLAG_NFCA_STD_FRAME_CRC) {  in st95hf_error_handling()
695 static int st95hf_response_handler(struct st95hf_context *stcontext,  in st95hf_response_handler()  argument
702 	struct nfc_digital_dev *nfcddev = stcontext->ddev;  in st95hf_response_handler()
703 	struct device *dev = &stcontext->nfcdev->dev;  in st95hf_response_handler()
706 	cb_arg = &stcontext->complete_cb_arg;  in st95hf_response_handler()
720 			stcontext->fwi =  in st95hf_response_handler()
723 			stcontext->fwi =  in st95hf_response_handler()
728 		result = iso14443_config_fdt(stcontext, val_mm);  in st95hf_response_handler()
738 	switch (stcontext->current_rf_tech) {  in st95hf_response_handler()
740 		if (stcontext->sendrcv_trflag == TRFLAG_NFCA_STD_FRAME_CRC)  in st95hf_response_handler()
756 	struct st95hf_context *stcontext  =  in st95hf_irq_handler()  local
759 	if (stcontext->spicontext.req_issync) {  in st95hf_irq_handler()
760 		complete(&stcontext->spicontext.done);  in st95hf_irq_handler()
761 		stcontext->spicontext.req_issync = false;  in st95hf_irq_handler()
775 	struct st95hf_context *stcontext  =  in st95hf_irq_thread_handler()  local
779 	spidevice = &stcontext->spicontext.spidev->dev;  in st95hf_irq_thread_handler()
794 	if (!down_trylock(&stcontext->exchange_lock)) {  in st95hf_irq_thread_handler()
795 		up(&stcontext->exchange_lock);  in st95hf_irq_thread_handler()
800 	cb_arg = &stcontext->complete_cb_arg;  in st95hf_irq_thread_handler()
803 	mutex_lock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
804 	res_len = st95hf_spi_recv_response(&stcontext->spicontext,  in st95hf_irq_thread_handler()
813 	if (stcontext->nfcdev_free) {  in st95hf_irq_thread_handler()
820 		result = st95hf_handle_wtx(stcontext, true, skb_resp->data[3]);  in st95hf_irq_thread_handler()
825 		mutex_unlock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
829 	result = st95hf_error_handling(stcontext, skb_resp, res_len);  in st95hf_irq_thread_handler()
833 	result = st95hf_response_handler(stcontext, skb_resp, res_len);  in st95hf_irq_thread_handler()
843 		result = st95hf_handle_wtx(stcontext, false, 0);  in st95hf_irq_thread_handler()
849 	cb_arg->complete_cb(stcontext->ddev, cb_arg->cb_usrarg, skb_resp);  in st95hf_irq_thread_handler()
852 	up(&stcontext->exchange_lock);  in st95hf_irq_thread_handler()
853 	mutex_unlock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
863 	cb_arg->complete_cb(stcontext->ddev, cb_arg->cb_usrarg, skb_resp);  in st95hf_irq_thread_handler()
865 	up(&stcontext->exchange_lock);  in st95hf_irq_thread_handler()
866 	mutex_unlock(&stcontext->rm_lock);  in st95hf_irq_thread_handler()
875 	struct st95hf_context *stcontext = nfc_digital_get_drvdata(ddev);  in st95hf_in_configure_hw()  local
878 		return st95hf_select_protocol(stcontext, param);  in st95hf_in_configure_hw()
883 			stcontext->sendrcv_trflag = TRFLAG_NFCA_SHORT_FRAME;  in st95hf_in_configure_hw()
886 			stcontext->sendrcv_trflag = TRFLAG_NFCA_STD_FRAME;  in st95hf_in_configure_hw()
891 			stcontext->sendrcv_trflag = TRFLAG_NFCA_STD_FRAME_CRC;  in st95hf_in_configure_hw()
903 static int rf_off(struct st95hf_context *stcontext)  in rf_off()  argument
908 	dev = &stcontext->nfcdev->dev;  in rf_off()
910 	rc = st95hf_send_recv_cmd(stcontext, CMD_FIELD_OFF, 0, NULL, true);  in rf_off()
923 	struct st95hf_context *stcontext = nfc_digital_get_drvdata(ddev);  in st95hf_in_send_cmd()  local
934 	switch (stcontext->current_rf_tech) {  in st95hf_in_send_cmd()
937 		skb_put_u8(skb, stcontext->sendrcv_trflag);  in st95hf_in_send_cmd()
953 	stcontext->complete_cb_arg.skb_resp = skb_resp;  in st95hf_in_send_cmd()
954 	stcontext->complete_cb_arg.cb_usrarg = arg;  in st95hf_in_send_cmd()
955 	stcontext->complete_cb_arg.complete_cb = cb;  in st95hf_in_send_cmd()
959 		stcontext->complete_cb_arg.rats = true;  in st95hf_in_send_cmd()
966 	rc = down_killable(&stcontext->exchange_lock);  in st95hf_in_send_cmd()
972 	rc = st95hf_spi_send(&stcontext->spicontext, skb->data,  in st95hf_in_send_cmd()
976 		dev_err(&stcontext->nfcdev->dev,  in st95hf_in_send_cmd()
979 		up(&stcontext->exchange_lock);  in st95hf_in_send_cmd()
1026 	struct st95hf_context *stcontext = nfc_digital_get_drvdata(ddev);  in st95hf_switch_rf()  local
1032 		return st95hf_select_protocol(stcontext, rf_tech);  in st95hf_switch_rf()
1035 	return rf_off(stcontext);  in st95hf_switch_rf()
1211 	struct st95hf_context *stcontext = container_of(spictx,  in st95hf_remove()  local
1215 	mutex_lock(&stcontext->rm_lock);  in st95hf_remove()
1217 	nfc_digital_unregister_device(stcontext->ddev);  in st95hf_remove()
1218 	nfc_digital_free_device(stcontext->ddev);  in st95hf_remove()
1219 	stcontext->nfcdev_free = true;  in st95hf_remove()
1221 	mutex_unlock(&stcontext->rm_lock);  in st95hf_remove()
1224 	result = down_killable(&stcontext->exchange_lock);  in st95hf_remove()
1229 	result = st95hf_spi_send(&stcontext->spicontext,  in st95hf_remove()
1243 	if (stcontext->st95hf_supply)  in st95hf_remove()
1244 		regulator_disable(stcontext->st95hf_supply);  in st95hf_remove()