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path: root/drivers/net/wireless/ath/ath10k/hw.c
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2019-06-27ath10k: add new hw_ops for sdio chipWen Gong1-0/+4
It report error message while suspend/resume test. dmesg log: [ 150.749962] ath10k_sdio mmc1:0001:1: hif read32 not supported [ 150.755728] ath10k_sdio mmc1:0001:1: failed to set coverage class: expected integer microsecond value in register Reason is sdio chip does not support set_coverage_class as well as pcie chip, remove the set_coverage_class handler will avoid it. callstack of the error message: OUTLINED_FUNCTION_6+0xc/0x14 [ath10k_core] ath10k_mac_op_set_coverage_class+0x2c/0x40 [ath10k_core] ieee80211_reconfig+0x5d0/0x108c [mac80211] ieee80211_resume+0x34/0x6c [mac80211] wiphy_resume+0xbc/0x13c [cfg80211] dpm_run_callback+0xa4/0x168 device_resume+0x1d4/0x200 async_resume+0x1c/0x34 async_run_entry_fn+0x48/0xf8 process_one_work+0x178/0x2f8 worker_thread+0x1d8/0x2cc kthread+0x11c/0x12c ret_from_fork+0x10/0x18 the error log will not happen after this patch applied. Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00007-QCARMSWP-1. Signed-off-by: Wen Gong <wgong@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-25ath10k: fix PCIE device wake up failedMiaoqing Pan1-1/+1
Observed PCIE device wake up failed after ~120 iterations of soft-reboot test. The error message is "ath10k_pci 0000:01:00.0: failed to wake up device : -110" The call trace as below: ath10k_pci_probe -> ath10k_pci_force_wake -> ath10k_pci_wake_wait -> ath10k_pci_is_awake Once trigger the device to wake up, we will continuously check the RTC state until it returns RTC_STATE_V_ON or timeout. But for QCA99x0 chips, we use wrong value for RTC_STATE_V_ON. Occasionally, we get 0x7 on the fist read, we thought as a failure case, but actually is the right value, also verified with the spec. So fix the issue by changing RTC_STATE_V_ON from 0x5 to 0x7, passed ~2000 iterations. Tested HW: QCA9984 Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-26ath10k: add support for ack rssi value of data tx packetsAbhishek Ambure1-1/+31
In WCN3990, WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI service Indicates that the firmware has the capability to send the RSSI value of the ACK for all data and management packets transmitted. If WMI_RSRC_CFG_FLAG_TX_ACK_RSSI is set in host capability then firmware sends RSSI value in "data" tx completion event. Host extracts ack rssi values of data packets from their tx completion event. Tested HW: WCN3990 Tested FW: WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1 Signed-off-by: Abhishek Ambure <aambure@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-20ath10k: switch to use SPDX license identifiersKalle Valo1-12/+1
Use SPDX identifiers everywhere in ath10k. Makefile was incorrectly marked in commit b24413180f56 ("License cleanup: add SPDX GPL-2.0 license identifier to files with no license"), fix that as well. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-04ath10k: Set DMA address mask to 35 bit for WCN3990Rakesh Pillai1-4/+6
WCN3990 is a 37-bit target but can address memory range only upto 35 bits. The 36th bit is used to control the smmu/iommu translation and the 37th bit is used by the internal bus masters to access the wifi subsystem internal SRAM. With the DMA mask set to 37i-bit, the host driver can get 37-bit dma address, which leads to incorrect address access in the target. Hence the host driver can used addresses upto 35-bit for WCN3990. Fix the dma mask for wcn3990 to 35-bit, instead of 37-bit. Tested HW: WCN3990 Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1 Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Rakesh Pillai <pillair@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-12-20ath10k: fix warning due to msdu limit errorBhagavathi Perumal S1-0/+7
Some hardwares variants (QCA99x0) are limiting msdu deaggregation with some threshold value(default limit in QCA99x0 is 64 msdus), it was introduced to avoid excessive MSDU-deaggregation in error cases. When number of sub frames exceeds the limit, target hardware will send all msdus starting from present msdu in RAW format as a single msdu packet and it will be indicated with error status bit "RX_MSDU_END_INFO0_MSDU_LIMIT_ERR" set in rx descriptor. This msdu frame is a partial raw MSDU and does't have first msdu and ieee80211 header. It caused below warning message. [ 320.151332] ------------[ cut here ]------------ [ 320.155006] WARNING: CPU: 0 PID: 3 at drivers/net/wireless/ath/ath10k/htt_rx.c:1188 In our issue case, MSDU limit error happened due to FCS error and generated this warning message. This fixes the warning by handling the MSDU limit error. If msdu limit error happens, driver adds first MSDU's ieee80211 header and sets A-MSDU present bit in QOS header so that upper layer processes this frame if it is valid or drop it if FCS error set. And removed the warning message, hence partial msdus without first msdu is expected in msdu limit error cases. Tested on QCA9984, Firmware 10.4-3.6-00104 Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-10-02ath10k: add missing sanity check on diag downloadBrian Norris1-0/+6
ath10k_hw_diag_fast_download() generally has good boundary checking, but it misses verifying that the next metadata header actually fits in the remaining buffer space. Add such a check. Fixes: 39501ea64116 ("ath10k: download firmware via diag Copy Engine for QCA6174 and QCA9377.") Signed-off-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-09-06ath10k: download firmware via diag Copy Engine for QCA6174 and QCA9377.Carl Huang1-0/+185
Downloading firmware via BMI protocol takes too long time. For example, a ~700K bytes firmware takes about 500ms to download via BMI protocol. This is too long especially in suspend and resume scenario where firmware is re-downloaded unless WoWLAN is enabled. Downloading firmware via diag CE can reduce the time to ~40ms for a ~700K bytes firmware binary. Ath10k driver parses the firmware to segments and downloads the segments to the specified address directly. If the firmware is compressed or has unsupported segments, ath10k driver will try BMI download again. It's tested with QCA6174 hw3.2 and firmware-6.bin_WLAN.RM.4.4.1-00111-QCARMSWP-1. QCA9377 is also affected. Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-04-24ath10k: enable SRRI/DRRI support on ddr for WCN3990Govind Singh1-2/+7
SRRI/DRRI are not mapped in the HW Shadow block and can lead to un-clocked access if common subsystem in the target is powered down due to idle mode. To mitigate this problem SRRI/DRRI can be read from DDR instead of doing an actual hardware read. Host allocates non cached memory on ddr and configures the physical address of this memory to the CE hardware. The hardware updates the RRI on this particular location. Read SRRI/DRRI from DDR location instead of direct target read. Enable retention restore on ddr using hw params to enable in specific targets. Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Rakesh Pillai <pillair@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-12-27ath10k: update copyright yearKalle Valo1-1/+1
Update year for Qualcomm Atheros, Inc. copyrights. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-12-14ath10k: wmi: add hw params entry for wcn3990Rakesh Pillai1-0/+2
Add hw params entry for wcn3990 and populate various target specific values for wcn3990. Signed-off-by: Rakesh Pillai <pillair@qti.qualcomm.com> Signed-off-by: Govind Singh <govinds@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-10-13ath10k: store coverage-class in case firmware is not bootedBen Greear1-2/+7
This way, we can apply the values when the NIC does come up. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-09-25ath10k: make ath10k_hw_ce_regs constBhumika Goyal1-2/+2
Make them const as they are not modified in the file referencing them. They are only stored in the const field 'hw_ce_reg' of an ath10k structure. Also, make the declarations in the header const. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-07-06ath10k: add copy engine register MAP for wcn3990 targetGovind Singh1-0/+150
Copy engine is a host to target communication interface between wlan firmware and wlan wcn3990 platform driver. Add copy engine register map for wcn3990 wlan module. This add support for the copy engine source/destination ring configuration for wcn3990 chipset. Signed-off-by: Govind Singh <govinds@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-06-16ath10k: define structures for CE ctrl/misc registerSarada Prasanna Garnayak1-0/+137
Define structures for the copy engine ctrl/misc registers, that includes CE CMD halt, watermark source, watermark destination, host IE ring, source, destination and dmax ring. This adds support to avoid the conditional compilation, code optimization and dynamic configuration of the copy engine register map for respective hardware bus interface. Signed-off-by: Sarada Prasanna Garnayak <c_sgarna@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-04-10Merge tag 'wireless-drivers-next-for-davem-2017-04-07' of ↵David S. Miller1-0/+265
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers-next patches for 4.12 Lots of bugfixes as usual but also some new features. Major changes: ath10k * improve firmware download time for QCA6174 and QCA9377, especially helps resume time ath9k_htc * add support AirTies 1eda:2315 AR9271 device rt2x00 * add support MT7620 mwifiex * enable auto deep sleep mode for USB chipsets brcmfmac * add support for network namespaces (WIPHY_FLAG_NETNS_OK) ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-20ath10k: fix incorrect wlan_mac_base in qca6174_regsRyan Hsu1-1/+1
In the 'commit ebee76f7fa46 ("ath10k: allow setting coverage class")', it inherits the design and the address offset from ath9k, but the address is not applicable to QCA6174, which leads to a random crash while doing the resume() operation, since the set_coverage_class.ops will be called from ieee80211_reconfig() when resume() (if the wow is not configured). Fix the incorrect address offset here to avoid the random crash. Verified on QCA6174/hw3.0 with firmware WLAN.RM.4.4-00022-QCARMSWPZ-2. kvalo: this also seems to fix a regression with firmware restart. Fixes: ebee76f7fa46 ("ath10k: allow setting coverage class") Cc: <stable@vger.kernel.org> # v4.10 Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2017-03-09ath10k: improve the firmware download time for QCA6174Ryan Hsu1-0/+265
Len Brown reported the system resume time is taking more than 2 seconds in bug - https://bugzilla.kernel.org/show_bug.cgi?id=185621. The reason of the 2 seconds is due to the firmware download time. The chip is booted up in the default reference clock speed to handle the firmware download to chip memory and advanced to the support higher speed clock to run the firmware after all. The default reference clock in the hardware is slow so that the firmware download time is taking up to 2 seconds for a 600KB firmware file. [76796.349701] ath10k_pci : boot uploading firmware image len 688691 [76798.334612] ath10k_pci : htt tx max num pending tx 1056 The resolution here is to enable the higher speed clock if the hardware supported before the firmware download at BMI stage, so that the hardware can handle the firmare download in a more efficient way. This can help to improve the firmware download time from 2 seconds to around 500ms for the same 600KB firmware file. [322858.577919] ath10k_pci boot uploading firmware image len 688691 [322859.093094] ath10k_pci htt tx max num pending tx 1056 The steps to advance to the higher speed clock is very hardware specific, so adding the hardware ops for the hardware that can support this. Reported-by: Len Brown <lenb@kernel.org> Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-10-04ath10k: allow setting coverage classBenjamin Berg1-0/+142
Unfortunately ath10k does not generally allow modifying the coverage class with the stock firmware and Qualcomm has so far refused to implement this feature so that it can be properly supported in ath10k. If we however know the registers that need to be modified for proper operation with a higher coverage class, then we can do these modifications from the driver. This is a hack and might cause subtle problems but as it's not enabled by default (only when user space changes the coverage class explicitly) it should not cause new problems for existing setups. But still this should be considered as an experimental feature and used with caution. This patch implements the support for first generation cards (QCA9880, QCA9887 and so on) which are based on a core that is similar to ath9k. The registers are modified in place and need to be re-written every time the firmware sets them. To achieve this the register status is verified after certain WMI events from the firmware. The coverage class may not be modified temporarily right after the card re-initializes the registers. This is for example the case during scanning. Thanks to Sebastian Gottschall <s.gottschall@dd-wrt.com> for initially working on a userspace support for this. This patch wouldn't have been possible without this documentation. Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-09-27ath10k: spelling and miscellaneous neateningJoe Perches1-1/+1
Correct some trivial comment typos. Remove unnecessary parentheses in a long line. Signed-off-by: Joe Perches <joe@perches.com> [kvalo@qca.qualcomm.com: drop the change for return] Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-09-13ath10k: add provision for Rx descriptor abstractionVasanthakumar Thiagarajan1-0/+13
There are slight differences in Rx hw descriptor information among different chips. So far driver does not use those new information for any functionalities, but there is one important information which is available from QCA99X0 onwards to indicate the number of bytes that hw padded at the begining of the rx payload and this information is needed to undecap the rx packet. Add an abstraction for Rx desc to make use of the new desc information available. The callback that this patch defines to retrieve the padding bytes will be used in follow-up patch. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> [Rename operations to hw_ops for other purposes] Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08ath10k: fix possible wrong rx_busy time reporting in QCA4019Vasanthakumar Thiagarajan1-1/+2
As hw cycle counters in QCA4019 wraparound independantly in QCA4019 it is possible cycle counter and rx clear counter would wraparound at the same time. Current logic assumes only one of the counters would wraparound at anytime. Fix this by moving 'else' part to another 'if'. Fixes: 8e100354a98 ("ath10k: fix cycle counter wraparound handling for QCA4019") Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Reviewed-by: Julian Calaby <julian.calaby@gmail.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08ath10k: enable support for QCA9888Anilkumar Kolli1-0/+9
QCA9888 shares the same configuration with QCA99X0 with NSS=2. Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-07-08ath10k: remove unused member in ath10k_hw_regsAnilkumar Kolli1-3/+0
rtc_state_cold_reset_mask is unused in ath10k_hw_regs. instead fixed delays are used. Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-06-14ath10k: fix cycle counter wraparound handling for QCA4019Vasanthakumar Thiagarajan1-4/+20
In QCA4019, cycle counter wraparound is not tied to rx clear counter. Each counter would wraparound individually and after wraparound the respective counter will be reset to 0x7fffffff while other counter still running unaffected. Define a new wraparound type for this behaviour and handle it separately so that rx clear counter wraparound is also handled just like cycle counter. With this type of wraparound we can accurately compute and report channel active/busy time when any of the counter overflows. Fixes: ee9ca147c59 ("ath10k: Fix survey reporting with QCA4019") Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-06-14ath10k: define an enum to enable cycle counter wraparound logicVasanthakumar Thiagarajan1-1/+3
QCA988X hw implements a different cycle counter wraparound behaviour when compared to QCA4019. To properly handle different wraparound logic for these chipsets replace already available bool hw_params member, has_shifted_cc_wraparound, with an enum which could be extended to handle different wraparound behaviour. This patch keeps the existing logic functionally same and a prepares cycle counter wraparound handling to extend for other chips. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> [kvalo@qca.qualcomm.com: change also QCA9887 wrap type] Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-28ath10k: include qca4019 register map tableRaja Mani1-0/+39
New register table is added for qca4019 to tell about it's register mapping details. Nothing much other than this. Signed-off-by: Raja Mani <rmani@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-08-17ath10k: add cycle/rx_clear counters frequency to hw_paramsVasanthakumar Thiagarajan1-2/+2
The frequency at which cycle/rx_clear counters are running might change from one target type to another. QCA99X0 is running the counters at 150Mhz while QCA9888X and QCA6174 are running at 88Mhz. Add a new entry to hw_params to store the target specific frequency and use it in msecs conversion. This change fixes inconsistent channel active/busy time. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-07-11ath10k: fix QCA61X4 boot upBartosz Markowski1-1/+1
commit a521ee983d312db7 ("ath10k: Add new reg_address/mask to hw register table") broke QCA61x4 support by providing wrong fw_indicator_address, which should have been 0x0003a028 instead of 0x00009028. User experience was a failing boot up sequence (crashing device during initialization): [ 181.663874] ath10k_pci 0000:02:00.0: enabling device (0000 -> 0002) [ 181.664787] ath10k_pci 0000:02:00.0: pci irq msi-x interrupts 8 irq_mode 0 reset_mode 0 [ 181.688886] ath10k_pci 0000:02:00.0: device has crashed during init [ 181.688897] ath10k_pci 0000:02:00.0: failed to wait for target after cold reset: -70 [ 181.688902] ath10k_pci 0000:02:00.0: failed to reset chip: -70 [ 181.689774] ath10k_pci: probe of 0000:02:00.0 failed with error -70 Fix it by updating the address with correct value. Fixes: a521ee983d31 ("ath10k: Add new reg_address/mask to hw register table") Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-06-30ath10k: Extend CE src desc flags for interrupt indicationVasanthakumar Thiagarajan1-0/+6
QCA99X0 uses two new copy engine src desc flags for interrupt indication. Bit_2 is to mark if host interrupt is disabled after processing the current desc and bit_3 is to mark if target interrupt is diabled after the processing of current descriptor. CE_DESC_FLAGS_META_DATA_MASK and CE_DESC_FLAGS_META_DATA_LSB are based on the target type. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-06-30ath10k: Add hw register/values for QCA99X0 chipVasanthakumar Thiagarajan1-0/+44
This is to prepare the driver for QCA99X0 chip support. This commit adds hw_params, hw register table and hw_values table for QCA99X0 chip. Please note this is only a partial patch adding support for QCA99X0, so the device id is not yet added to pci device table. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-06-30ath10k: Add new reg_address/mask to hw register tableVasanthakumar Thiagarajan1-4/+18
Add more register address and mask which can be different for newer chip to hw_reg table. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-06-30ath10k: Add a table to store hw specific valuesVasanthakumar Thiagarajan1-0/+14
This is to prepare ath10k to support newer chip set. Values like CE_COUNT, MSI_ASSIGN_CE_MAX and RTC_STATE_V_ON can be different for different chips. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-05-29ath10k: handle cycle counter wraparoundMichal Kazior1-0/+21
When QCA988X cycle counter HW register wraps around it resets to 0x7fffffff instead of 0. All other cycle counter related registers are divided by 2 so they never wraparound themselves. QCA61X4 has a uniform CC and it wraparounds in a regular fashion though. Worst case wraparound time is approx 24 seconds (2**31 / 88MHz). Since scan channel visit times are max 5 seconds (offchannel case) it is guaranteed there's been at most 1 wraparound and it is possible to compute survey active time value. It is, however, impossible to determine the point at which Rx Clear Count has been divided by two so it is not reported upon wraparound. This fixes some occasional incorrect survey data on QCA988X as some channels (depending on how/when scan/offchannel requests were requested) would have approx 24 sec active time which wasn't actually the case. This should improve hostapd ACS a little bit. Reported-by: Srinivasa Duvvuri <sduvvuri@chromium.org> Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-01-27ath10k: add support for qca6174Michal Kazior1-0/+58
The QCA6174 in combination with new wmi-tlv firmware is capable of multi-channel, beamforming, tdls and other features. This patch just makes it possible to boot these devices and do some basic stuff like connect to an AP without encryption. Some things may not work or may be unreliable. New features will be implemented later. This will be addressed eventually with future patches. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>