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path: root/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
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* mt76: usb: fix hw initialization sequenceLorenzo Bianconi2018-10-051-9/+9
| | | | | | | | | | | | mt76u_alloc_queues need to be called before mt76u_mcu_init_rx since it initializes rx_page_lock spinlock used in mt76u_buf_alloc routine. Fixes: b11e19694dc9 ("mt76x0: add ieee80211_ops ops pointer to mt76x0_alloc_device signature") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: usb: move mt76x0u_tx_prepare_skb in usb.cLorenzo Bianconi2018-10-011-1/+16
| | | | | | | | Move mt76x0u_tx_prepare_skb routine in usb module in order to remove leftover usb dependency from generic code Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: add ieee80211_ops ops pointer to mt76x0_alloc_device signatureLorenzo Bianconi2018-10-011-2/+78
| | | | | | | | | | | | Add ieee80211_ops ops pointer to mt76x0_alloc_device routine signature in order to specify mac80211 callbacks and remove usb dependency from mt76x0 generic code. Move mt76x0_ops callbacks in usb module in order to remove leftover usb dependency in mt76x0 generic code. Introduce mt76x0e_ops mac80211 callbacks for pci code Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: usb: move initialization code in usb.cLorenzo Bianconi2018-10-011-24/+91
| | | | | | | | | | Move usb initialization code in mt76x0-usb module in order to remove usb dependency from generic init code (not completed yet). Moreover fix a memory leak in usb probe if mt76x02_wait_for_mac fails Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: usb: move mcu code in usb_mcu.cLorenzo Bianconi2018-10-011-157/+0
| | | | | | | | | Move usb mcu code in a dedicated source file in order to remove usb dependency from generic source files and improve code maintainability Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: add quirk to disable 2.4GHz band for Archer T1UStanislaw Gruszka2018-10-011-1/+6
| | | | | | | | | TP-LINK Archer T1U do not support 2.4GHz band despite EEPROM reports that. Add quirk to mask out 2.4GHz support. Reported-by: Sid Hayn <sidhayn@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: usb: make rx page_frag_cache access atomicLorenzo Bianconi2018-10-011-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add rx_page_lock spinlock in order to make rx page fragment access atomic. This patch fixes the following crash that occasionally occurs during module loading/unloading BUG: unable to handle kernel paging request at ffff9f8322e19000 PGD 27ba01067 P4D 27ba01067 PUD 27ddba063 PMD 263b35063 PTE 8000000262e19061 Oops: 0003 [#1] SMP PTI CPU: 2 PID: 1766 Comm: systemd-udevd Not tainted 4.19.0-rc5+ #6 Hardware name: ASUSTeK COMPUTER INC. ESC2000 G2/Z9PE-D8 WS, BIOS 0405 03/19/2012 RIP: 0010:__memcpy+0x12/0x20 RSP: 0018:ffffba13849b3ad8 EFLAGS: 00010246 RAX: ffff9f8322e17004 RBX: 00000000000038f0 RCX: 000000000000031f RDX: 0000000000000000 RSI: ffffba13844cf058 RDI: ffff9f8322e18ffc RBP: 0000000000010c6c R08: 0000000000000000 R09: 0000607ec0000000 R10: 0000000000000003 R11: 0000000000003e2e R12: ffff9f8324cd9540 R13: 0000000000000000 R14: ffffba13849b3b30 R15: ffff9f8322e17000 FS: 00007fadec85b880(0000) GS:ffff9f833fa80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff9f8322e19000 CR3: 0000000263428001 CR4: 00000000000606e0 Call Trace: mt76x02u_mcu_fw_send_data+0x16c/0x270 [mt76x02_usb] mt76x0u_probe+0x35a/0x598 [mt76x0u] usb_probe_interface+0x113/0x310 really_probe+0x1c8/0x400 driver_probe_device+0x5c/0x130 __driver_attach+0xec/0x110 bus_for_each_dev+0x50/0x90 bus_add_driver+0x1c0/0x280 driver_register+0x5b/0xe0 usb_register_driver+0x7c/0x140 do_one_initcall+0x44/0x19b do_init_module+0x5a/0x210 load_module+0x175c/0x1bc0 __do_sys_finit_module+0x97/0xc0 do_syscall_64+0x3f/0xf0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fadeb6f1809 RSP: 002b:00007ffe548f9f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00007fadebdf0d89 RCX: 00007fadeb6f1809 RDX: 0000000000000000 RSI: 00007fadebdf0d89 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000246 R12: 0000560b9ef58ab0 R13: 0000560b9ef29800 R14: 0000560b9ef59040 R15: 0000000000020000 Fixes: c12128ce44b0 ("mt76: use a per rx queue page fragment cache") Reported-by: Stanislaw Gruszka <sgruszka@redhat.com> Tested-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: report firmware version using ethtoolDavide Caratti2018-10-011-0/+1
| | | | | | | | | print fw_ver and build_ver members of struct mt76x02_fw_header, similarly to what appears in the output of 'dmesg' when the MCU firmware is loaded. Reported-by: Sid Hayn <sidhayn@gmail.com> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: pci: add fw uploading routineLorenzo Bianconi2018-10-011-5/+0
| | | | | | | | | Add pci load firmware routine. Move some shared mcu definitions in mt76x02_mcu.h Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: usb: remove mt76_fw definitionLorenzo Bianconi2018-09-191-38/+35
| | | | | | | | | Remove mt76_fw dependency from mt76x0u_upload_firmware routine since it does not define firmware layout properly. Moreover use mt76_poll_msec utility routine to check if the fw is properly running Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: remove unused usb header fileLorenzo Bianconi2018-09-191-3/+4
| | | | | | | | Remove unused usb header file and move mt76x0 firmware definition in usb.c Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: usb: move firmware loading to usb.cStanislaw Gruszka2018-09-191-0/+171
| | | | | | | | Firmware loading is usb specific, move it to usb.c file. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: usb: move mt76x02 mcu code in mt76x02-usb moduleLorenzo Bianconi2018-09-191-0/+2
| | | | | | | | | | | | Introduce mt76x02_usb_mcu.c in order to contain mt76x02u mcu related code. Add mt76x02-usb module as a container for mt76x02 usb code. This is a preliminary patch to move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in mt76x02-lib module since other chipsets (e.g. mt7603) use different dma definitions Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: make device allocation bus neutralStanislaw Gruszka2018-09-191-1/+8
| | | | | | | Remove some USB specific code form mt76x0_alloc_device. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: remove some usb specific code from mt76x0_register_deviceStanislaw Gruszka2018-09-191-2/+10
| | | | | | | Initial effort to make mt76x0_register_device bus neutral. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: inital split between pci and usbStanislaw Gruszka2018-09-191-6/+0
| | | | | | | For now pci driver can read ASIC version from the device :-) Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: do not free/alloc buffers during suspend/resumeLorenzo Bianconi2018-09-191-9/+29
| | | | | | | | | | | Do not free/alloc {tx,rx} buffers during suspend/resume phases but use the ones previously allocated during hw probe. Move {tx,rx}/mcu buffers allocation from mt76x0_init_hardware routine to mt76x0_register_device Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: move mt76x0_init_hardware in mt76x0_register_deviceLorenzo Bianconi2018-09-191-5/+3
| | | | | | | | | | Move mt76x0_init_hardware routine in mt76x0_register_device during hw probe. This is a preliminary patch to avoid {tx/rx} buffer allocation during resume/suspend Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: remove unused stat work_queueLorenzo Bianconi2018-09-191-2/+0
| | | | | | | | | Remove unused tx_status workqueue since now tx feedbacks are processed by mt76-usb layer Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76x0: remove unused routines for usb_buff alloc/freeLorenzo Bianconi2018-09-041-47/+0
| | | | | | | | | | | Remove the following unused routines for usb buffer allocation/free/submit: - mt76x0_usb_alloc_buf - mt76x0_usb_free_buf - mt76x0_usb_submit_buf Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: remove mt76x0_vendor_request routineLorenzo Bianconi2018-09-041-31/+0
| | | | | | | | | Remove mt76x0_vendor_request routine and use mt76u_vendor_request utility function from mt76-usb layer in mt76x0_upload_firmware Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: remove mt76x0_complete_urb routineLorenzo Bianconi2018-09-041-7/+0
| | | | | | | | Remove mt76x0_complete_urb routine and use mt76u_mcu_complete_urb utility function as usb mcu completion handler Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: remove mt76x0_vendor_single_wr routineLorenzo Bianconi2018-09-041-19/+0
| | | | | | | | Remove mt76x0_vendor_single_wr routine and use mt76u_single_wr utility function for mcu firmware loading Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: remove mt76x0_vendor_reset routineLorenzo Bianconi2018-09-041-6/+0
| | | | | | | | Remove mt76x0_vendor_reset duplicated routine and use mt76u_mcu_fw_reset utility function for mcu fw reset Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: use mt76u_init for bus initializationLorenzo Bianconi2018-09-041-105/+4
| | | | | | | | | | | | | Use mt76u_init utility routine for usb initialization. Moreover remove following unused routines: - mt76x0_rr - mt76x0_wr - mt76x0_rmw - mt76x0_wr_copy - mt76x0_assign_pipes Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76: unify wait_for_macStanislaw Gruszka2018-09-041-2/+3
| | | | | | | | Create new mt76x02_mac.h for common mac functions of mt76x0 and mt76x2 and unity wait_for_mac for both drivers. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: rename trace symbolsStanislaw Gruszka2018-08-041-4/+4
| | | | | | | | | | | | | Rename trace symbols that conflict with mt7601u and remove some definitions that are not used. Patch fixes build errors like this: ld: drivers/net/wireless/mediatek/mt76/mt76x0/trace.o:(__tracepoints+0x0): multiple definition of `__tracepoint_set_shared_key'; drivers/net/wireless/mediatek/mt7601u/trace.o:(__tracepoints+0x0): first defined here Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 7b4859026ccd ("mt76x0: core files") Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: disable HW before probeStanislaw Gruszka2018-08-021-0/+4
| | | | | | | | Disable HW before probe, otherwise after reboot we will fail to initialize MCU. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* mt76x0: usb filesStanislaw Gruszka2018-08-021-0/+377
Add usb files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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