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mt76: add driver code for MT76x2u based devices
MT76x2u is a 2x2 USB 802.11ac chipset by MediaTek. This driver currently support station mode Tested-by: <cug_yangyuancong@hotmail.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Lorenzo Bianconi
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Kalle Valo
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Aug 2, 2018
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| /* | ||
| * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> | ||
| * | ||
| * Permission to use, copy, modify, and/or distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
|
|
||
| #include <linux/kernel.h> | ||
| #include <linux/module.h> | ||
|
|
||
| #include "mt76x2u.h" | ||
|
|
||
| static const struct usb_device_id mt76x2u_device_table[] = { | ||
| { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */ | ||
| { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */ | ||
| { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */ | ||
| { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */ | ||
| { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ | ||
| { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ | ||
| { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ | ||
| { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ | ||
| { }, | ||
| }; | ||
|
|
||
| static int mt76x2u_probe(struct usb_interface *intf, | ||
| const struct usb_device_id *id) | ||
| { | ||
| struct usb_device *udev = interface_to_usbdev(intf); | ||
| struct mt76x2_dev *dev; | ||
| int err; | ||
|
|
||
| dev = mt76x2u_alloc_device(&intf->dev); | ||
| if (!dev) | ||
| return -ENOMEM; | ||
|
|
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| udev = usb_get_dev(udev); | ||
| usb_reset_device(udev); | ||
|
|
||
| err = mt76u_init(&dev->mt76, intf); | ||
| if (err < 0) | ||
| goto err; | ||
|
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| dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); | ||
| dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); | ||
|
|
||
| err = mt76x2u_register_device(dev); | ||
| if (err < 0) | ||
| goto err; | ||
|
|
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| return 0; | ||
|
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| err: | ||
| ieee80211_free_hw(mt76_hw(dev)); | ||
| usb_set_intfdata(intf, NULL); | ||
| usb_put_dev(udev); | ||
|
|
||
| return err; | ||
| } | ||
|
|
||
| static void mt76x2u_disconnect(struct usb_interface *intf) | ||
| { | ||
| struct usb_device *udev = interface_to_usbdev(intf); | ||
| struct mt76x2_dev *dev = usb_get_intfdata(intf); | ||
| struct ieee80211_hw *hw = mt76_hw(dev); | ||
|
|
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| set_bit(MT76_REMOVED, &dev->mt76.state); | ||
| ieee80211_unregister_hw(hw); | ||
| mt76x2u_cleanup(dev); | ||
|
|
||
| ieee80211_free_hw(hw); | ||
| usb_set_intfdata(intf, NULL); | ||
| usb_put_dev(udev); | ||
| } | ||
|
|
||
| static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, | ||
| pm_message_t state) | ||
| { | ||
| struct mt76x2_dev *dev = usb_get_intfdata(intf); | ||
| struct mt76_usb *usb = &dev->mt76.usb; | ||
|
|
||
| mt76u_stop_queues(&dev->mt76); | ||
| mt76x2u_stop_hw(dev); | ||
| usb_kill_urb(usb->mcu.res.urb); | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) | ||
| { | ||
| struct mt76x2_dev *dev = usb_get_intfdata(intf); | ||
| struct mt76_usb *usb = &dev->mt76.usb; | ||
| int err; | ||
|
|
||
| reinit_completion(&usb->mcu.cmpl); | ||
| err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN, | ||
| MT_EP_IN_CMD_RESP, | ||
| &usb->mcu.res, GFP_KERNEL, | ||
| mt76u_mcu_complete_urb, | ||
| &usb->mcu.cmpl); | ||
| if (err < 0) | ||
| return err; | ||
|
|
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| err = mt76u_submit_rx_buffers(&dev->mt76); | ||
| if (err < 0) | ||
| return err; | ||
|
|
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| tasklet_enable(&usb->rx_tasklet); | ||
| tasklet_enable(&usb->tx_tasklet); | ||
|
|
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| return mt76x2u_init_hardware(dev); | ||
| } | ||
|
|
||
| MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); | ||
| MODULE_FIRMWARE(MT7662U_FIRMWARE); | ||
| MODULE_FIRMWARE(MT7662U_ROM_PATCH); | ||
|
|
||
| static struct usb_driver mt76x2u_driver = { | ||
| .name = KBUILD_MODNAME, | ||
| .id_table = mt76x2u_device_table, | ||
| .probe = mt76x2u_probe, | ||
| .disconnect = mt76x2u_disconnect, | ||
| #ifdef CONFIG_PM | ||
| .suspend = mt76x2u_suspend, | ||
| .resume = mt76x2u_resume, | ||
| .reset_resume = mt76x2u_resume, | ||
| #endif /* CONFIG_PM */ | ||
| .soft_unbind = 1, | ||
| .disable_hub_initiated_lpm = 1, | ||
| }; | ||
| module_usb_driver(mt76x2u_driver); | ||
|
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||
| MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); | ||
| MODULE_LICENSE("Dual BSD/GPL"); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* | ||
| * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> | ||
| * | ||
| * Permission to use, copy, modify, and/or distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
|
|
||
| #ifndef __MT76x2U_H | ||
| #define __MT76x2U_H | ||
|
|
||
| #include <linux/device.h> | ||
|
|
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| #include "mt76x2.h" | ||
| #include "mt76x2_dma.h" | ||
| #include "mt76x2_mcu.h" | ||
|
|
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| #define MT7612U_EEPROM_SIZE 512 | ||
|
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| #define MT_USB_AGGR_SIZE_LIMIT 21 /* 1024B unit */ | ||
| #define MT_USB_AGGR_TIMEOUT 0x80 /* 33ns unit */ | ||
|
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| extern const struct ieee80211_ops mt76x2u_ops; | ||
|
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| struct mt76x2_dev *mt76x2u_alloc_device(struct device *pdev); | ||
| int mt76x2u_register_device(struct mt76x2_dev *dev); | ||
| int mt76x2u_init_hardware(struct mt76x2_dev *dev); | ||
| void mt76x2u_cleanup(struct mt76x2_dev *dev); | ||
| void mt76x2u_stop_hw(struct mt76x2_dev *dev); | ||
|
|
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| void mt76x2u_mac_setaddr(struct mt76x2_dev *dev, u8 *addr); | ||
| int mt76x2u_mac_reset(struct mt76x2_dev *dev); | ||
| void mt76x2u_mac_resume(struct mt76x2_dev *dev); | ||
| int mt76x2u_mac_start(struct mt76x2_dev *dev); | ||
| int mt76x2u_mac_stop(struct mt76x2_dev *dev); | ||
|
|
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| int mt76x2u_phy_set_channel(struct mt76x2_dev *dev, | ||
| struct cfg80211_chan_def *chandef); | ||
| void mt76x2u_phy_calibrate(struct work_struct *work); | ||
| void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev); | ||
| void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev); | ||
| void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev); | ||
|
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| void mt76x2u_mcu_complete_urb(struct urb *urb); | ||
| int mt76x2u_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw, | ||
| u8 bw_index, bool scan); | ||
| int mt76x2u_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type, | ||
| u32 val); | ||
| int mt76x2u_mcu_tssi_comp(struct mt76x2_dev *dev, | ||
| struct mt76x2_tssi_comp *tssi_data); | ||
| int mt76x2u_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain, | ||
| bool force); | ||
| int mt76x2u_mcu_set_dynamic_vga(struct mt76x2_dev *dev, u8 channel, bool ap, | ||
| bool ext, int rssi, u32 false_cca); | ||
| int mt76x2u_mcu_set_radio_state(struct mt76x2_dev *dev, bool val); | ||
| int mt76x2u_mcu_load_cr(struct mt76x2_dev *dev, u8 type, | ||
| u8 temp_level, u8 channel); | ||
| int mt76x2u_mcu_init(struct mt76x2_dev *dev); | ||
| int mt76x2u_mcu_fw_init(struct mt76x2_dev *dev); | ||
| void mt76x2u_mcu_deinit(struct mt76x2_dev *dev); | ||
|
|
||
| int mt76x2u_alloc_queues(struct mt76x2_dev *dev); | ||
| void mt76x2u_queues_deinit(struct mt76x2_dev *dev); | ||
| void mt76x2u_stop_queues(struct mt76x2_dev *dev); | ||
| bool mt76x2u_tx_status_data(struct mt76_dev *mdev, u8 *update); | ||
| int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data, | ||
| struct sk_buff *skb, struct mt76_queue *q, | ||
| struct mt76_wcid *wcid, struct ieee80211_sta *sta, | ||
| u32 *tx_info); | ||
| void mt76x2u_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, | ||
| struct mt76_queue_entry *e, bool flush); | ||
| int mt76x2u_skb_dma_info(struct sk_buff *skb, enum dma_msg_port port, | ||
| u32 flags); | ||
|
|
||
| #endif /* __MT76x2U_H */ |
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