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Instead of implementing the DSM evaluation function in the MVM code,
refactor it so it can be generalized and part of the common ACPI
implementation.
Signed-off-by: Harish Mitty <harish.mitty@intel.com>
[reworded subject and commit message]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210331121101.a24af3551aac.I8e6bd5eb05f853b6331fa4823750f7ba8ffe46e6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Read the new BIOS DSM and Pass to FW if to disable\enable
11ax for Ukraine according to the BIOS key. this is
needed to enable OEMs to control enable/disable 11ax in Ukraine
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210331121101.055654e7707e.If7eaf9839cd5d59729a235df07e31668b408e740@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add support for ppag in China by reading revision 2 of the ppag table
from ACPI, and passing the data to the FW.
This is needed to enable OEMs to control ppag enablement
in China.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210331121101.69af388d0dce.I8cfddf9e6837bf394b00390181b4b774ded19acd@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
BIOS provides RFI feature enable/disable state via WiFi DSM ACPI
object. By default the feature should be disabled.
The GUID for this feature is different from the one driver currently
uses, so need to provide a set of new definitions.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210171218.242bfe368981.Iaccce1e2fa3986b174d0b08942aa4fbf8bb94a95@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
iwl_acpi_get_wifi_pkg() may return a valid pointer (meaning success),
while `tbl_rev` is invalid (equel to 1).
In this case, we will treat that as an error.
Subsequent "users" of this "error code" may either check for nonzero
(good; pointers are never zero) or negative
(bad; pointers may be "positive") fix that by splitting the if statement.
First check if IS_ERR(wifi_pkg) and then if tbl_rev != 0.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210142629.1c8c4b58c932.I147373f6fd364606b0282af8d402c722eb917225@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The return type value of functions 1 and 2 were considered to be an
integer inside a buffer, but they can also be only an integer, without
the buffer. Fix the code in iwl_acpi_get_dsm_u8() to handle it as a
single integer value, as well as packed inside a buffer.
Signed-off-by: Matt Chen <matt.chen@intel.com>
Fixes: 9db93491f29e ("iwlwifi: acpi: support device specific method (DSM)")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210122144849.5757092adcd6.Ic24524627b899c9a01af38107a62a626bdf5ae3a@changeid
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:123: warning: Function parameter or member 'dev' not described in 'iwl_acpi_get_dsm_object'
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:123: warning: Function parameter or member 'rev' not described in 'iwl_acpi_get_dsm_object'
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:123: warning: Function parameter or member 'func' not described in 'iwl_acpi_get_dsm_object'
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:123: warning: Function parameter or member 'args' not described in 'iwl_acpi_get_dsm_object'
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:142: warning: Function parameter or member 'dev' not described in 'iwl_acpi_get_dsm_u8'
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:142: warning: Function parameter or member 'rev' not described in 'iwl_acpi_get_dsm_u8'
drivers/net/wireless/intel/iwlwifi/fw/acpi.c:142: warning: Function parameter or member 'func' not described in 'iwl_acpi_get_dsm_u8'
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201126133152.3211309-17-lee.jones@linaro.org
When adding support for version 3 of the GEO_TX_POWER_LIMIT command,
the table argument of iwl_sar_geo_init was changed from a pointer a 1d
array of now-removed iwl_per_chain_offset_group_v1 to a pointer to a 2d
array of iwl_per_chain_offset (iwl_per_chain_offset_group_v1 was a
struct containing 2 copies of iwl_per_chain_offset).
So even for version 2 where the second dimension is of length 2, which
means that the underlying memory layout of the array didn't change, this
requires a small change in the way we loop over it, and this was missed.
Additionally, for the case of version 3 where the second dimension is now
3, in order to fill the first two elements of each row correctly (lb and
hb), iwl_sar_geo_init must get the true number of bands supported.
But because we don't yet store any values for the 3rd (uhb) band, skip
that band.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201008181047.73605b6e0548.Id0ec98333277ff9e017e3938ae413b34acc68947@changeid
Add support for the new version of the GEO_TX_POWER_LIMIT command.
This new version includes UHB values in the table, but for now, since
we don't have the ACPI values yet, we support the API, but don't set
the extra values.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200928121852.3700197ed1ed.Ia53fb9c4b5033683fd426d51a0ddc46fb444c805@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add the version number to the iwl_geo_tx_power_profile_cmd structs and
move the union into a common place. Additionally, reuse the code that
sets elements that are at the same place in the struct across
different versions.
While at it remove an unused variable, add a comment and move the v2
specific element setting to inside the if statement. Additionally,
invert the if for slightly more readability.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200928121852.23ec241f16cd.I8cd21fc5a2498e820b50e1f49a4cbfe545afe30e@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Create a common structure to contain all different versions of the
tx_power_cmd instead of making a union of the different structs
everywhere we need them. Also move the common part of these structs
into a separate structure (instead of reusing v3) and leave the
per_chain_restriction part out of the common part, because this will
change in version 6 of the command (which will be added soon).
While at it, rename per_chain_restriction to per_chain to shorten it.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200928121852.4f0bea9fe077.Ib3b540a8288af32d6fa213448e13f82763f85bc9@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
ACPI Device Specific Method (DSM) allows standardized feature
configuration through the ACPI interface without the namespace
pollution of the usual mechanism (ACPI method for each feature).
Add generic function for evaluating DSM objects and function for
evaluating a DSM with no arguments and a single int return value.
also implement the required backport for UUID.
Signed-off-by: Gil Adam <gil.adam@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200529092401.c3242ff3ba5c.Icb48c8d61bede5dda7ef267bff10e4798e9dc77b@changeid
First set of patches for v5.8. Changes all over, ath10k apparently
seeing most new features this time. rtw88 also had lots of changes due
to preparation for new hardware support.
In this pull request there's also a new macro to include/linux/iopoll:
read_poll_timeout_atomic(). This is needed by rtw88 for atomic
polling.
Major changes:
ath11k
* add debugfs file for testing ADDBA and DELBA
* add 802.11 encapsulation offload on hardware support
* add htt_peer_stats_reset debugfs file
ath10k
* enable VHT160 and VHT80+80 modes
* enable radar detection in secondary segment
* sdio: disable TX complete indication to improve throughput
* sdio: decrease power consumption
* sdio: add HTT TX bundle support to increase throughput
* sdio: add rx bitrate reporting
ath9k
* improvements to AR9002 calibration logic
carl9170
* remove buggy P2P_GO support
p54usb
* add support for AirVasT USB stick
rtw88
* add support for antenna configuration
ti wlcore
* add support for AES_CMAC cipher
iwlwifi
* support for a few new FW API versions
* new hw configs
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Merge tag 'wireless-drivers-next-2020-05-07' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.8
First set of patches for v5.8. Changes all over, ath10k apparently
seeing most new features this time. rtw88 also had lots of changes due
to preparation for new hardware support.
In this pull request there's also a new macro to include/linux/iopoll:
read_poll_timeout_atomic(). This is needed by rtw88 for atomic
polling.
Major changes:
ath11k
* add debugfs file for testing ADDBA and DELBA
* add 802.11 encapsulation offload on hardware support
* add htt_peer_stats_reset debugfs file
ath10k
* enable VHT160 and VHT80+80 modes
* enable radar detection in secondary segment
* sdio: disable TX complete indication to improve throughput
* sdio: decrease power consumption
* sdio: add HTT TX bundle support to increase throughput
* sdio: add rx bitrate reporting
ath9k
* improvements to AR9002 calibration logic
carl9170
* remove buggy P2P_GO support
p54usb
* add support for AirVasT USB stick
rtw88
* add support for antenna configuration
ti wlcore
* add support for AES_CMAC cipher
iwlwifi
* support for a few new FW API versions
* new hw configs
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The GEO_TX_POWER_LIMIT command was sent although
there is no wgds table, so the fw got wrong SAR values
from the driver.
Fix this by avoiding sending the command if no wgds
tables are available.
Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Fixes: 39c1a9728f93 ("iwlwifi: refactor the SAR tables from mvm to acpi")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Tested-By: Jonathan McDowell <noodles@earth.li>
Tested-by: Len Brown <len.brown@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20200318081237.46db40617cc6.Id5cf852ec8c5dbf20ba86bad7b165a0c828f8b2e@changeid
In the for loop where we are supposed to go through the entire table,
we are using a non-static local to keep the pos index. This makes
each iteration start with 3, so we always access the first item on the
table. Fix this by moving the variable outside of the loo so it
doesn't lose its value at every iteration.
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Fixes: ba3224db7803 ("iwlwifi: mvm: fix an out-of-bound access")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Refactored the SAR related functions from iwlmvm to acpi
in order to make it shared between different opmodes
in addition to removing unused variable ppag_rev.
Signed-off-by: Ihab Zhaika <ihab.zhaika@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
We can't check for the ACPI table revision validity in the same if
where we check if the package was read correctly, because we return
PTR_ERR(pkg) and if the table is not valid but the pointer is, we
would return a valid pointer as an error. Fix that by moving the
table checks to a separate if and return -EINVAL if it's not valid.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
South Korea is adding a more strict SAR limit called "Limb SAR".
Currently, WGDS SAR offset group 3 is not used (not mapped to any country).
In order to be able to comply with South Korea new restriction:
- OEM will use WGDS SAR offset group 3 to South Korea limitation.
- OEM will change WGDS revision to 1 (currently latest revision is 0)
to notify that Korea Limb SAR applied.
- Driver will read the WGDS table and pass the values to FW (as usual)
- Driver will pass to FW an indication that Korea Limb SAR is applied
in case table revision is 1.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In low power modes, the chip clock source for platform integrated
devices is 32kHz. It is generated internally and supplied by a crystal
oscillator. However using a 32kHz sourced from crystal oscillator
has high power penalty.
There is an option to get an external 32kHz clock from the platform. Past
experience shows that the reliability is platform dependent,
i.e. on some platforms it works good and on other it doesn’t.
Working from external clock will save 0.5 mW in sleep state, from overall
1.8mW that we have today, i.e. almost 30%.
Each OEM can enable or disable the use of the external 32kHz clock by
setting a BIOS configuration. In case the OEM configured to use 32kHz
external clock the driver will pass this indication to the FW.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The Free Software Foundation address is superfluous and causes
checkpatch to issue a warning when present. Remove all paragraphs
with FSF's address to prevent that.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Move most of the set_dflt_pwr_limit() function to acpi.c and make it
return the pwr_limit value instead of setting directly. Also rename
it to iwl_acpi_get_pwr_limit().
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The iwl_get_bios_mcc() function was in the iwl-nvm-parse.c file, but
it has nothing to do with the NVM. Move it to fw/acpi.c and rename it
to iwl_acpi_get_mcc().
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Move this function to acpi.c, renaming it to iwl_acpi_get_wifi_pkg(),
because it can also be used with other methods (i.e. SPLC and WRDD).
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There are many places where the same process of invoking a method from
ACPI is used, causing a lot of duplicate code. To improve this,
introduce a new function to get an ACPI object by invoking an ACPI
method that can be reused.
Additionally, since this function needs to be called when we only have
the trans, the opmode or the device, introduce a new debug macro that
gets the device as a parameter so it can be used in the new function.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
