45 struct atusb {  struct
77 static int atusb_write_subreg(struct atusb *atusb, u8 reg, u8 mask,  in atusb_write_subreg()  argument
80 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_write_subreg()
104 static int atusb_read_subreg(struct atusb *lp,  in atusb_read_subreg()
120 static int atusb_get_and_clear_error(struct atusb *atusb)  in atusb_get_and_clear_error()  argument
122 	int err = atusb->err;  in atusb_get_and_clear_error()
124 	atusb->err = 0;  in atusb_get_and_clear_error()
133 #define SKB_ATUSB(skb)	(*(struct atusb **)(skb)->cb)
137 static int atusb_submit_rx_urb(struct atusb *atusb, struct urb *urb)  in atusb_submit_rx_urb()  argument
139 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_submit_rx_urb()
151 		SKB_ATUSB(skb) = atusb;  in atusb_submit_rx_urb()
156 	usb_anchor_urb(urb, &atusb->rx_urbs);  in atusb_submit_rx_urb()
169 	struct atusb *atusb =  in atusb_work_urbs()  local
170 	    container_of(to_delayed_work(work), struct atusb, work);  in atusb_work_urbs()
171 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_work_urbs()
175 	if (atusb->shutdown)  in atusb_work_urbs()
179 		urb = usb_get_from_anchor(&atusb->idle_urbs);  in atusb_work_urbs()
182 		ret = atusb_submit_rx_urb(atusb, urb);  in atusb_work_urbs()
185 	usb_anchor_urb(urb, &atusb->idle_urbs);  in atusb_work_urbs()
188 	schedule_delayed_work(&atusb->work,  in atusb_work_urbs()
194 static void atusb_tx_done(struct atusb *atusb, u8 seq, int reason)  in atusb_tx_done()  argument
196 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_tx_done()
197 	u8 expect = atusb->tx_ack_seq;  in atusb_tx_done()
203 			ieee802154_xmit_complete(atusb->hw, atusb->tx_skb, false);  in atusb_tx_done()
205 			ieee802154_xmit_error(atusb->hw, atusb->tx_skb, reason);  in atusb_tx_done()
212 		ieee802154_xmit_hw_error(atusb->hw, atusb->tx_skb);  in atusb_tx_done()
220 	struct atusb *atusb = SKB_ATUSB(skb);  in atusb_in_good()  local
251 		atusb_tx_done(atusb, len, result);  in atusb_in_good()
270 	ieee802154_rx_irqsafe(atusb->hw, skb, lqi);  in atusb_in_good()
278 	struct atusb *atusb = SKB_ATUSB(skb);  in atusb_in()  local
293 	usb_anchor_urb(urb, &atusb->idle_urbs);  in atusb_in()
294 	if (!atusb->shutdown)  in atusb_in()
295 		schedule_delayed_work(&atusb->work, 0);  in atusb_in()
300 static void atusb_free_urbs(struct atusb *atusb)  in atusb_free_urbs()  argument
305 		urb = usb_get_from_anchor(&atusb->idle_urbs);  in atusb_free_urbs()
313 static int atusb_alloc_urbs(struct atusb *atusb, int n)  in atusb_alloc_urbs()  argument
320 			atusb_free_urbs(atusb);  in atusb_alloc_urbs()
323 		usb_anchor_urb(urb, &atusb->idle_urbs);  in atusb_alloc_urbs()
339 	struct atusb *atusb = hw->priv;  in atusb_xmit()  local
340 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_xmit()
344 	atusb->tx_skb = skb;  in atusb_xmit()
345 	atusb->tx_ack_seq++;  in atusb_xmit()
346 	atusb->tx_dr.wIndex = cpu_to_le16(atusb->tx_ack_seq);  in atusb_xmit()
347 	atusb->tx_dr.wLength = cpu_to_le16(skb->len);  in atusb_xmit()
349 	usb_fill_control_urb(atusb->tx_urb, usb_dev,  in atusb_xmit()
351 			     (unsigned char *)&atusb->tx_dr, skb->data,  in atusb_xmit()
353 	ret = usb_submit_urb(atusb->tx_urb, GFP_ATOMIC);  in atusb_xmit()
369 	struct atusb *atusb = hw->priv;  in atusb_set_hw_addr_filt()  local
370 	struct device *dev = &atusb->usb_dev->dev;  in atusb_set_hw_addr_filt()
376 		usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_set_hw_addr_filt()
379 		usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_set_hw_addr_filt()
387 		usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_set_hw_addr_filt()
390 		usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_set_hw_addr_filt()
400 			usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_set_hw_addr_filt()
408 			atusb_write_subreg(atusb, SR_AACK_I_AM_COORD, 1);  in atusb_set_hw_addr_filt()
410 			atusb_write_subreg(atusb, SR_AACK_I_AM_COORD, 0);  in atusb_set_hw_addr_filt()
413 	return atusb_get_and_clear_error(atusb);  in atusb_set_hw_addr_filt()
418 	struct atusb *atusb = hw->priv;  in atusb_start()  local
419 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_start()
423 	schedule_delayed_work(&atusb->work, 0);  in atusb_start()
424 	usb_control_msg_send(atusb->usb_dev, 0, ATUSB_RX_MODE, ATUSB_REQ_TO_DEV, 1, 0,  in atusb_start()
426 	ret = atusb_get_and_clear_error(atusb);  in atusb_start()
428 		usb_kill_anchored_urbs(&atusb->idle_urbs);  in atusb_start()
434 	struct atusb *atusb = hw->priv;  in atusb_stop()  local
435 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_stop()
438 	usb_kill_anchored_urbs(&atusb->idle_urbs);  in atusb_stop()
439 	usb_control_msg_send(atusb->usb_dev, 0, ATUSB_RX_MODE, ATUSB_REQ_TO_DEV, 0, 0,  in atusb_stop()
441 	atusb_get_and_clear_error(atusb);  in atusb_stop()
453 	struct atusb *atusb = hw->priv;  in atusb_txpower()  local
455 	if (atusb->data)  in atusb_txpower()
456 		return atusb->data->set_txpower(hw, mbm);  in atusb_txpower()
464 	struct atusb *atusb = hw->priv;  in atusb_set_txpower()  local
469 			return atusb_write_subreg(atusb, SR_TX_PWR_23X, i);  in atusb_set_txpower()
515 	struct atusb *atusb = hw->priv;  in atusb_set_cca_mode()  local
542 	return atusb_write_subreg(atusb, SR_CCA_MODE, val);  in atusb_set_cca_mode()
545 static int hulusb_set_cca_ed_level(struct atusb *lp, int rssi_base_val)  in hulusb_set_cca_ed_level()
574 	struct atusb *atusb = hw->priv;  in atusb_set_cca_ed_level()  local
579 			return atusb_write_subreg(atusb, SR_CCA_ED_THRES, i);  in atusb_set_cca_ed_level()
587 	struct atusb *atusb = hw->priv;  in atusb_channel()  local
590 	if (atusb->data) {  in atusb_channel()
591 		ret = atusb->data->set_channel(hw, page, channel);  in atusb_channel()
593 		msleep(atusb->data->t_channel_switch);  in atusb_channel()
601 	struct atusb *atusb = hw->priv;  in atusb_set_channel()  local
604 	ret = atusb_write_subreg(atusb, SR_CHANNEL, channel);  in atusb_set_channel()
615 	struct atusb *lp = hw->priv;  in hulusb_set_channel()
644 	struct atusb *atusb = hw->priv;  in atusb_set_csma_params()  local
647 	ret = atusb_write_subreg(atusb, SR_MIN_BE, min_be);  in atusb_set_csma_params()
651 	ret = atusb_write_subreg(atusb, SR_MAX_BE, max_be);  in atusb_set_csma_params()
655 	return atusb_write_subreg(atusb, SR_MAX_CSMA_RETRIES, retries);  in atusb_set_csma_params()
661 	struct atusb *atusb = hw->priv;  in hulusb_set_lbt()  local
663 	return atusb_write_subreg(atusb, SR_CSMA_LBT_MODE, on);  in hulusb_set_lbt()
669 	struct atusb *atusb = hw->priv;  in atusb_set_frame_retries()  local
671 	return atusb_write_subreg(atusb, SR_MAX_FRAME_RETRIES, retries);  in atusb_set_frame_retries()
677 	struct atusb *atusb = hw->priv;  in atusb_set_promiscuous_mode()  local
681 		ret = atusb_write_subreg(atusb, SR_AACK_DIS_ACK, 1);  in atusb_set_promiscuous_mode()
685 		ret = atusb_write_subreg(atusb, SR_AACK_PROM_MODE, 1);  in atusb_set_promiscuous_mode()
689 		ret = atusb_write_subreg(atusb, SR_AACK_PROM_MODE, 0);  in atusb_set_promiscuous_mode()
693 		ret = atusb_write_subreg(atusb, SR_AACK_DIS_ACK, 0);  in atusb_set_promiscuous_mode()
734 static int atusb_get_and_show_revision(struct atusb *atusb)  in atusb_get_and_show_revision()  argument
736 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_get_and_show_revision()
742 	ret = usb_control_msg_recv(atusb->usb_dev, 0, ATUSB_ID, ATUSB_REQ_FROM_DEV, 0, 0,  in atusb_get_and_show_revision()
745 		atusb->fw_ver_maj = buffer[0];  in atusb_get_and_show_revision()
746 		atusb->fw_ver_min = buffer[1];  in atusb_get_and_show_revision()
747 		atusb->fw_hw_type = buffer[2];  in atusb_get_and_show_revision()
749 		switch (atusb->fw_hw_type) {  in atusb_get_and_show_revision()
754 			atusb->data = &atusb_chip_data;  in atusb_get_and_show_revision()
758 			atusb->data = &atusb_chip_data;  in atusb_get_and_show_revision()
762 			atusb->data = &hulusb_chip_data;  in atusb_get_and_show_revision()
766 			atusb->err = -ENOTSUPP;  in atusb_get_and_show_revision()
773 			 atusb->fw_ver_maj, atusb->fw_ver_min, hw_name,  in atusb_get_and_show_revision()
774 			 atusb->fw_hw_type);  in atusb_get_and_show_revision()
776 	if (atusb->fw_ver_maj == 0 && atusb->fw_ver_min < 2) {  in atusb_get_and_show_revision()
779 			 atusb->fw_ver_maj, atusb->fw_ver_min);  in atusb_get_and_show_revision()
786 static int atusb_get_and_show_build(struct atusb *atusb)  in atusb_get_and_show_build()  argument
788 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_get_and_show_build()
796 	ret = usb_control_msg(atusb->usb_dev, usb_rcvctrlpipe(usb_dev, 0), ATUSB_BUILD,  in atusb_get_and_show_build()
807 static int atusb_get_and_conf_chip(struct atusb *atusb)  in atusb_get_and_conf_chip()  argument
809 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_get_and_conf_chip()
812 	struct ieee802154_hw *hw = atusb->hw;  in atusb_get_and_conf_chip()
861 		atusb->hw->phy->supported.channels[0] = 0x7FFF800;  in atusb_get_and_conf_chip()
862 		atusb->hw->phy->current_channel = 11;	/* reset default */  in atusb_get_and_conf_chip()
863 		atusb->hw->phy->supported.tx_powers = atusb_powers;  in atusb_get_and_conf_chip()
864 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);  in atusb_get_and_conf_chip()
870 		atusb->hw->phy->supported.channels[0] = 0x7FFF800;  in atusb_get_and_conf_chip()
871 		atusb->hw->phy->current_channel = 11;	/* reset default */  in atusb_get_and_conf_chip()
872 		atusb->hw->phy->supported.tx_powers = atusb_powers;  in atusb_get_and_conf_chip()
873 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers);  in atusb_get_and_conf_chip()
879 		atusb->hw->flags |= IEEE802154_HW_LBT;  in atusb_get_and_conf_chip()
880 		atusb->hw->phy->supported.channels[0] = 0x00007FF;  in atusb_get_and_conf_chip()
881 		atusb->hw->phy->supported.channels[2] = 0x00007FF;  in atusb_get_and_conf_chip()
882 		atusb->hw->phy->current_channel = 5;  in atusb_get_and_conf_chip()
883 		atusb->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH;  in atusb_get_and_conf_chip()
884 		atusb->hw->phy->supported.tx_powers = at86rf212_powers;  in atusb_get_and_conf_chip()
885 		atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers);  in atusb_get_and_conf_chip()
886 		atusb->hw->phy->supported.cca_ed_levels = at86rf212_ed_levels_100;  in atusb_get_and_conf_chip()
887 		atusb->hw->phy->supported.cca_ed_levels_size = ARRAY_SIZE(at86rf212_ed_levels_100);  in atusb_get_and_conf_chip()
904 	atusb->err = -ENODEV;  in atusb_get_and_conf_chip()
908 static int atusb_set_extended_addr(struct atusb *atusb)  in atusb_set_extended_addr()  argument
910 	struct usb_device *usb_dev = atusb->usb_dev;  in atusb_set_extended_addr()
919 	if (atusb->fw_ver_maj == 0 && atusb->fw_ver_min < 3) {  in atusb_set_extended_addr()
920 		ieee802154_random_extended_addr(&atusb->hw->phy->perm_extended_addr);  in atusb_set_extended_addr()
925 	ret = usb_control_msg_recv(atusb->usb_dev, 0, ATUSB_EUI64_READ, ATUSB_REQ_FROM_DEV, 0, 0,  in atusb_set_extended_addr()
929 		ieee802154_random_extended_addr(&atusb->hw->phy->perm_extended_addr);  in atusb_set_extended_addr()
937 		ieee802154_random_extended_addr(&atusb->hw->phy->perm_extended_addr);  in atusb_set_extended_addr()
939 		atusb->hw->phy->perm_extended_addr = extended_addr;  in atusb_set_extended_addr()
940 		addr = swab64((__force u64)atusb->hw->phy->perm_extended_addr);  in atusb_set_extended_addr()
955 	struct atusb *atusb = NULL;  in atusb_probe()  local
958 	hw = ieee802154_alloc_hw(sizeof(struct atusb), &atusb_ops);  in atusb_probe()
962 	atusb = hw->priv;  in atusb_probe()
963 	atusb->hw = hw;  in atusb_probe()
964 	atusb->usb_dev = usb_get_dev(usb_dev);  in atusb_probe()
965 	usb_set_intfdata(interface, atusb);  in atusb_probe()
967 	atusb->shutdown = 0;  in atusb_probe()
968 	atusb->err = 0;  in atusb_probe()
969 	INIT_DELAYED_WORK(&atusb->work, atusb_work_urbs);  in atusb_probe()
970 	init_usb_anchor(&atusb->idle_urbs);  in atusb_probe()
971 	init_usb_anchor(&atusb->rx_urbs);  in atusb_probe()
973 	if (atusb_alloc_urbs(atusb, ATUSB_NUM_RX_URBS))  in atusb_probe()
976 	atusb->tx_dr.bRequestType = ATUSB_REQ_TO_DEV;  in atusb_probe()
977 	atusb->tx_dr.bRequest = ATUSB_TX;  in atusb_probe()
978 	atusb->tx_dr.wValue = cpu_to_le16(0);  in atusb_probe()
980 	atusb->tx_urb = usb_alloc_urb(0, GFP_KERNEL);  in atusb_probe()
981 	if (!atusb->tx_urb)  in atusb_probe()
986 	usb_control_msg_send(atusb->usb_dev, 0, ATUSB_RF_RESET, ATUSB_REQ_TO_DEV, 0, 0,  in atusb_probe()
988 	atusb_get_and_conf_chip(atusb);  in atusb_probe()
989 	atusb_get_and_show_revision(atusb);  in atusb_probe()
990 	atusb_get_and_show_build(atusb);  in atusb_probe()
991 	atusb_set_extended_addr(atusb);  in atusb_probe()
993 	if ((atusb->fw_ver_maj == 0 && atusb->fw_ver_min >= 3) || atusb->fw_ver_maj > 0)  in atusb_probe()
996 	ret = atusb_get_and_clear_error(atusb);  in atusb_probe()
998 		dev_err(&atusb->usb_dev->dev,  in atusb_probe()
1012 	usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_probe()
1040 	atusb_write_subreg(atusb, SR_RX_SAFE_MODE, 1);  in atusb_probe()
1042 	usb_control_msg_send(atusb->usb_dev, 0, ATUSB_REG_WRITE, ATUSB_REQ_TO_DEV,  in atusb_probe()
1045 	ret = atusb_get_and_clear_error(atusb);  in atusb_probe()
1049 	dev_err(&atusb->usb_dev->dev,  in atusb_probe()
1055 	atusb_free_urbs(atusb);  in atusb_probe()
1056 	usb_kill_urb(atusb->tx_urb);  in atusb_probe()
1057 	usb_free_urb(atusb->tx_urb);  in atusb_probe()
1065 	struct atusb *atusb = usb_get_intfdata(interface);  in atusb_disconnect()  local
1067 	dev_dbg(&atusb->usb_dev->dev, "%s\n", __func__);  in atusb_disconnect()
1069 	atusb->shutdown = 1;  in atusb_disconnect()
1070 	cancel_delayed_work_sync(&atusb->work);  in atusb_disconnect()
1072 	usb_kill_anchored_urbs(&atusb->rx_urbs);  in atusb_disconnect()
1073 	atusb_free_urbs(atusb);  in atusb_disconnect()
1074 	usb_kill_urb(atusb->tx_urb);  in atusb_disconnect()
1075 	usb_free_urb(atusb->tx_urb);  in atusb_disconnect()
1077 	ieee802154_unregister_hw(atusb->hw);  in atusb_disconnect()
1079 	usb_put_dev(atusb->usb_dev);  in atusb_disconnect()
1081 	ieee802154_free_hw(atusb->hw);  in atusb_disconnect()