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path: root/drivers/net/wireless/ath/ath11k/hal.c
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2020-10-01ath11k: remove unnecessary casts to u32Kalle Valo
These casts are not needed. No changes in functionality. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1601544890-13450-9-git-send-email-kvalo@codeaurora.org
2020-10-01ath11k: start a timer to update TCL HPCarl Huang
The timer is to check if TCL HP isn't updated to target. The timer will postpone itself if there are TX operations during the interval, otherwise the timer handler updates the HP again so the index value in HP register will be forwarded to target register, and the timer stops afterwards. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1601544890-13450-5-git-send-email-kvalo@codeaurora.org
2020-10-01ath11k: enable shadow register configuration and accessCarl Huang
To enable shadow register access, host needs to pass shadow register configuration to firmware via qmi message. Host also needs to update ring's HP or TP address to shadow register address. The write operation to shadow register will be forwarded to target register by hardware automatically, and the write operation to shadow register is permitted even when the target is in power save or sleep mode. Update the shadow config whenever power up happens. This feature is controlled by hw parameter supports_shadow_regs which is only enabled for QCA6390. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1601544890-13450-3-git-send-email-kvalo@codeaurora.org
2020-10-01ath11k: add packet log support for QCA6390Carl Huang
Add packet log support for QCA6390, otherwise the data connection will stall within a minute or so. Enable it via debugfs and use trace-cmd to capture the pktlogs. echo 0xffff 1 > /sys/kernel/debug/ath11k/qca6390\ hw2.0/mac0/pktlog_filter The mon status ring doesn't support interrupt so far, so host starts a timer to reap this ring. The timer handler also reaps the rxdma_err_dst_ring in case of monitor mode. As QCA6390 requires bss created ahead of starting vdev, so check vdev_start_delay for monitor mode. For QCA6390, it uses wbm_desc_rel_ring to return descriptors. It also uses rx_refill_buf_ring to fill mon buffer instead of rxdma_mon_buf_ring. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1601463073-12106-2-git-send-email-kvalo@codeaurora.org
2020-08-18ath11k: hal: assign msi_addr and msi_data to srngCarl Huang
QCA6390 uses MSI interrupt so it needs msi_addr and msi_data to generate interrupt. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597576599-8857-7-git-send-email-kvalo@codeaurora.org
2020-08-18ath11k: ce: remove CE_COUNT() macroKalle Valo
This macro is evil as it's accesses ab variable in a hidden way. It's better for readibility to access ab->hw_params.ce_count directly. This is done in a separate patch to keep the patches simple. No functional changes. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597576599-8857-6-git-send-email-kvalo@codeaurora.org
2020-08-18ath11k: ce: support different CE configurationsCarl Huang
QCA6390 uses only 9 Copy Engines while IPQ8074 may use 12, make it possible to change CE configuration dynamically via hw_params. The defines for host_ce_config_wlan and CE_COUNT are temporary solutions, they will be removed in the following patches to keep things simple. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597576599-8857-4-git-send-email-kvalo@codeaurora.org
2020-08-18ath11k: hal: cleanup dynamic register macrosKalle Valo
Now some of the HAL register macros access ab variable in a hidden way, make ab variable visible in the macro by adding it as an argument. This is done in a separate patch to keep the patches simple. No functional changes. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597576599-8857-3-git-send-email-kvalo@codeaurora.org
2020-08-17ath11k: hal: create hw_srng_config dynamicallyKalle Valo
On QCA6390 reg_start and reg_size values are different from IPQ8074 so we need to change the values runtime. As we can't modify a static const variable hw_srng_config directly, instead use it as a template, copy it and modify the copy with correct values. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597389030-13887-12-git-send-email-kvalo@codeaurora.org
2020-08-17ath11k: pci: add HAL, CE and core initialisationGovind Singh
Define CE pipe/qmi config and setup pci irq for the same. Call ath11k_core_init(). Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597309466-19688-10-git-send-email-kvalo@codeaurora.org
2020-08-17ath11k: add simple PCI client driver for QCA6390 chipsetGovind Singh
QCA6390 is a PCI based 11ax chipset, split AHB into own kernel module ath11k_ahb.ko and add ath11k_pci.ko for PCI devices. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2 Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1597309466-19688-5-git-send-email-kvalo@codeaurora.org
2020-05-11ath11k: Remove bus layer includes from upper layerGovind Singh
Bus level header files needs to be abstracted by upper layer. Remove bus layer includes by adding appropriate header files. Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200506094400.4740-4-govinds@codeaurora.org
2020-05-11ath11k: Add support for multibus supportGovind Singh
Current design supports only AHB interface for 11ax chipset. Refactor the code by adding hif layer for bus level abstraction to support PCI based device. Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200506094400.4740-2-govinds@codeaurora.org
2020-03-18ath11k: dump SRNG stats during FW assertManikanta Pubbisetty
Dumping the SRNG stats during FW assert, this would help in debugging ring stuck issues. Co-developed-by: Karthikeyan Periyasamy <periyasa@codeaurora.org> Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org> Signed-off-by: Manikanta Pubbisetty <mpubbise@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-11-25ath11k: driver for Qualcomm IEEE 802.11ax devicesKalle Valo
ath11k is a new driver for Qualcomm IEEE 802.11ax devices, first supporting only IPQ8074 SoC using the shared memory AHB bus. ath11k uses mac80211 and supports AP, Station and Mesh modes. Even though ath11k has some similar code as with ath10k (especially the WMI layer) it was concluded to be simpler to have a "clean start" for ath11k code base and not try to share the code with ath10k. This makes maintenance easier and avoids major changes in ath10k, which would have significantly increased the risk of regressions in existing setups. Even though the driver is very similar with ath10k but there are major differences as well. The datapath is completely different. ath11k supports multiple MACs, called "soc" in the firmware interface. And there's only one WMI interface to support. Currently ath11k supports only IEEE 802.11ac mode, but patches for 802.11ax are available and they will be submitted after ath11k is accepted to upstream. The firmware images are available from ath11k-firmware repository but they will be also submitted to linux-firmware: https://github.com/kvalo/ath11k-firmware This was tested with firmware version WLAN.HK.2.1.0.1-00629-QCAHKSWPL_SILICONZ-1. The driver has had multiple authors who are listed in alphabetical order below. Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org> Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org> Signed-off-by: Ganesh Sesetti <gseset@codeaurora.org> Signed-off-by: Govindaraj Saminathan <gsamin@codeaurora.org> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org> Signed-off-by: kbuild test robot <lkp@intel.com> Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org> Signed-off-by: Manikanta Pubbisetty <mpubbise@codeaurora.org> Signed-off-by: Miles Hu <milehu@codeaurora.org> Signed-off-by: Muna Sinada <msinada@codeaurora.org> Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org> Signed-off-by: Sathishkumar Muruganandam <murugana@codeaurora.org> Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com> Signed-off-by: Sriram R <srirrama@codeaurora.org> Signed-off-by: Sven Eckelmann <seckelmann@datto.com> Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@codeaurora.org> Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
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