Add new "qcom,no-bwscale" under child device node to
indicate it want to disable bw scalling.
And the background is like HSP, it has stability issue
with some specific pcie cable with gen3, so it will
negotiate with RC side to change from gen3 to gen2
with MHI_ER_BW_SCALE_ELEMENT_TYPE event, which will
impact all the platform that want to keep use gen3.
So add this device tree config item to skip the link
speed negotiation.
Change-Id: I4a8d94a50dd740b84c3eeac435c5a19098b79ad9
CRs-Fixed: 3435289
Access to PBL and SBL log region in SRAM is restricted in
Mission mode. Avoid PBL/SBL log region dump in Mission mode.
Change-Id: Ia8813ccd9e2c0339c280e6cb6d6f0bab0bee206e
CRs-Fixed: 3432159
It costs 4M when loading cnss2, if device id is QCA6490 and enabled
CONFIG_CNSS2_DEBUG. Which is big memory consumption for low rate issue
debugging. So add CONFIG_DISABLE_CNSS_SRAM_DUMP to disable sram_dump.
Change-Id: Iacf338a3cc8f1583e16034a9873029a450fd254a
CRs-Fixed: 3441274
Currently genoa is using lower 32 bits of 64 bit dma
bitmask. Unexpected access of higher 32 bits may cause
issues.This code change avoids such possibilities.
Change-Id: I8bf17056a12661a7c50333bf5897721d363550a3
CRs-Fixed: 3428036
At the auto platform, DRV feature is not applicable.
So do not issue any DRV related operation from cnss2
side, which may cause the RC PHY not ready in the LPM
case.
Change-Id: Iefae9a885c1adc289da518d65a2974e127bdf359
CRs-Fixed: 3419811
Peach supports TME-Lite to validate FW image. TME-Lite supported
FW image format is different from currently used FW images and it
requires different way of downloading in MHI layer. Set TME-Lite
supported flag in MHI controller for Peach to inform MHI about
FW image format.
Change-Id: I615570914c9cec297aa422ce683b4d1c6c75ea1c
CRs-Fixed: 3364546
For whatever reason, the qca6390 is not in M3 state
during PM resume phase, but still functional if do
force resume. So calling mhi_pm_resume_force()
instead of the mhi_pm_resume() to unblock PM
resume for kernel 5.15.
Reference link:
https://lore.kernel.org/regressions/871r5p0x2u.fsf@codeaurora.org/
As for lower kernel version, like 5.4, it will do local
mhi pm state check in the mhi_pm_resume() instead of
target pm state check, so has no issue with qca6390.
Change-Id: I54c2cef457405720386af6a6f7d4617f3d081875
CRs-Fixed: 3402571
Should power off HST/HSP if it only finished pcie
enumeration without WLAN driver load before do
LPM. Otherwise, it will cause the mhi state switch
from INIT to SUSPEND failure that block LPM.
Change-Id: Ia2c5fbf0a2bf9c088be548eb533d7836f45a3cfd
CRs-Fixed: 3283893
Current implementation tries to collect FW dump when cnss shutdown,
and then ASSERT after collection complete.
Do not invoke CNSS_ASSERT if SSR enabled.
Change-Id: I8d427603bfc7e6bb5d732fa3e29ff66c965e153b
CRs-Fixed: 3399930
Add cnss2 code changes to register with thermal framework to support
thermal mitigation.
Change-Id: I9d427603bfc7e6bb5d732fa3e29ff66c965e153b
CRs-Fixed: 3386762
Currently, the cnss2 platform driver just can support
one wlan device attached, so do the following changes
to cover dual wlan card attach case. Firstly, delay
the second device go to pcie link suspend and power
off state to make sure it really finished the pcie
enumeration. Then pcie enumeration succeeds with
multi-devices. Secondly, supporting to write the qrtr
node instance id to PCIE register for wlan fw reading,
which can fix qmi message exchange failure if active
two Hastings devices. Thirdly, change the usage of
plat_env to support dual Hastings.
Change-Id: Ica41a23d4e983b91c0ff1b4e76b380803fb877ab
Call collect_driver_dump() driver ops to add the data from the buffer
for the four log types.
Change-Id: Ic06d4520de6f87202d1c3ce24362d61002b85f61
CRs-Fixed: 3352310
If device tree doesn't configure any regulators for
device, means this device doesn't need extra regulator.
This case shall not be treated as an error.
Return a positive value for this case to allow caller to
make proper choice.
Change-Id: I7ead81b3915d16f966f94c9d916e0d67bc04fda0
CRs-Fixed: 3355141
Some auto HW can't guarantee wlan_en low state when powerup.
Add a macro to enable initializing wlan_en state.
Change-Id: I6755bcd49c78f7bb9931f80cb385e62177ebe603
CRs-Fixed: 3355148
Added below mentioned changes to support qca6174 in cnss2 driver.
1. While resuming pci link, restore the pci config space before
enabling pci device.
2. Add 10ms delay between wlan_en become active and pcie reset
de-assert.
3. For wlan chipsets which don't support cold boot calibration,
schedule Wlan driver load in cnss_cold_boot_cal_start_hdlr.
Change-Id: I28435896314783353db5dd830051df9467be6585
CRs-Fixed: 3359223
Before CNSS2 triggers RDDM mode in device it collects shadow
register dump in a global variable. Now when device moves to
RDDM, shadow registers will be reset. Reading shadow registers
in RDDM mode will override previously read correct values with
reset values. To avoid it, do not dump shadow register in RDDM
mode.
Change-Id: I470208be7e38bc9291932a7acfbaf07d87d46651
Do not invoke the mhi_control_error to notify the pcie link down event
for QCA6174 to avoid NULL pointer access.
Change-Id: I2c899ab51117aef2f9474e83217229b211eb4759
CRs-Fixed: 3335555
Only when SMMU S1 enabled, CNSS driver will send IOVA range in
HOST_CAP message, and let firmware to configure ATU.
Change-Id: Idd19063da975c0105d91e0e31575d0b0d1edd8e2
CRs-Fixed: 2896035
Add APIs for handling AFC memory request from FW:
cnss_send_buffer_to_afcmem() and cnss_reset_afcmem().
cnss_send_buffer_to_afcmem() will be called if receive valid AFC
response data, cnss_reset_afcmem() will be called if receive
invalid AFC response data. After memory copy done, another WMI
command will indicate FW ready to read.
Change-Id: I34b9add3d7721d778e5474d9b11ad64adb4f04f0
CRs-Fixed: 3223607
This refine commit 418727f314 ("cnss2: Print the bandwidth level voted"),
to avoid too many vote log in dmesg during traffic test.
Change-Id: Ia260a84bcdb3e5154376471519340db1b5907ce4
CRs-Fixed: 3273973
CNSS2 registers as both platform and PCI driver. PCI
device can be removed via sysfs exposed by kernel during
PCI device creation. When PCI device gets removed, CNSS
PCI remove ops gets called. In cnss_pci_remove, unregister
host driver and shutdown WLAN chip to cleanly remove PCI
device.
Change-Id: Ia60e8b69bda2b3bdd5990cb83f47c082d6667283
CRs-Fixed: 3308910
The reservation mode of interrupts in kernel assigns a dummy vector
when the interrupt is allocated and assigns a real vector when the
request_irq is called. The reservation mode helps to ease vector
pressure when devices with a large amount of queues/interrupts
are initialized, but only a minimal subset of those queues/interrupts
is actually used.
So on reservation mode, the msi_data may change after request_irq
is called, so reads msi_data again after mhi request_irq is called,
and then the correct msi_data is programmed into hardware components.
Without this change, spurious interrupt occurs in case of one MSI
vector.
Change-Id: I41070987798835f8fa95304fce3b964bbd77b31d
CRs-Fixed: 3313984
Some platforms can't meet the number of MSI interrupt vectors that
wlan driver requires.
Add one MSI interrupt vector support.
If CONFIG_ONE_MSI_VECTOR is not defined, wlan driver fails to load
if reuired MSI vector allocation fails. It is current behavior.
If CONFIG_ONE_MSI_VECTOR is defined, firstly it will allocate multiple
MSI vectors based on MSI config. If MSI vector allocation fails, it
fallbacks to one MSI vector automatically.
Change-Id: I813f7ddf678ecf405e573f3bc72af3e758d1c96d
CRs-Fixed: 3312670
Fix issue in return type of following functions:
- cnss_rddm_trigger_debug()
- cnss_rddm_trigger_check()
Change-Id: I41eb4637605f9a2189e03e732c688c25b0895a90
CRs-Fixed: 3304957
Converge dt nodes for wlan chips that share the same PCI slot
into one node.
The items in this node are split into 2 parts: common and chip
specific.
The common part will be parsed during cnss probe, such as basic
power related configuration and bus type, to power on the device
and trigger pci probe;
Chip specific part will be parsed during bus specific probe, this
part includes chip specific power and feature related
configurations.
With this change, cnss2 can support different chips on one pci
slot with the same image.
Change-Id: I08c64b6dc3cc27a479ee6fd07e3c8705cc3ac43d
CRs-Fixed: 2384088
In kernel 5.18, pci-dma-compat.h is removed and so instead of
calling pci_set_dma_mask and pci_set_consistent_dma_mask, call
dma_set_mask and dma_set_coherent_mask.
Change-Id: I91cbe8700b8f165c1140d015c28b1c34d3ea99bd
CRs-Fixed: 3298228
When DRV is disabled during use, MHI satellite is still enabled and
is causing timeout when suspend occurs again. Hence, set base to 0
for MHI satellite when DRV is disabled in order to disable it.
Change-Id: I68315cc102884a33b2ba92753f21af2e59b6b466
CRs-Fixed: 3256095
If Device boots up in secure mode, CNSS defers PCI enumeration,
calibration and host driver registration. When secure mode exits
host driver gets notified from CTRL_PARAM and calls PLD API to
perform previously deferred operations and enable WLAN HW. This
can take some seconds and by the time again Secure mode can enter,
disable WLAN and access controlled by TZ.
Now Calibration completes and CNSS receives CAL_DONE indication.
As part of CAL_DONE when CNSS try to power off WLAN access WLAN_EN
it results in NOC error.
One more scenario, where CNSS can access WLAN_EN when WLAN HW
is disabled by TZ, could be when QMI message times out. Consider
secure mode is entering as part of CNSS will to IDLE shutdown.
During IDLE shutdown while sending MODE_OFF QMI message to FW
it might wait for 10 seconds if FW does not respond. But TZ has
timeout of 5 sec if framework does not respond in 5 Sec TZ will
disable WLAN_EN and access control it. Now when after QMI timedout
when try to access WLAN_EN it results in NOC error.
Check secure peripheral state before updating WLAN_EN and maintain
correct driver state in such scenario.
Change-Id: I4a0892f02edb42496b9633d2d33ded26cbc08707
CRs-Fixed: 3247847
It can be used to tune the host and fw time synchronization interval
for better accuracy.
Change-Id: I0a3d8895520cec526341f278c91f153dd0bd1966
CRs-Fixed: 3257702
It is observed during some stress tests under very bad thermal
conditions that wlan re-probe can fail after cnss2 probes the
device for the 1st time and then powers it off.
When this happens, the SW_CTRL signal doesn't go high after
cnss2 toggles WLAN_EN.
To avoid such issue, add support for conditional device power
off so power supply will be retained for certain chipsets after
cnss2 probes it for the 1st time.
Change-Id: I81d508f2a69fcbc6f8761988981ec432af059fac
CRs-Fixed: 3241179
Add code to fallback to non-contiguous FW mem allocation on
failure to allocate contiguous memory.
Change-Id: Idbc7ff7f9ea4d2157e3b549dde8ee090a0f0b412
CRs-Fixed: 3072737
Skip dumping qdss registers if etr dump is not enabled, or
will hit NOC error since these qdss registers are not powered on.
Move dump process after device enter into RDDM mode, or registers
might be invalid.
Change-Id: Ib5e5a8d8beb2e1f76266ce0f25d4abe6e73e7506
CRs-fixed: 3226702
For kiwi target the current code is using shadow_reg indexes 0,1. Change
the logic to use next two shadow registers of what is used by the host.
Change-Id: Ice95be0f2106078b8f799ca1182d1d8702b564c6
CRs-Fixed: 3218660
