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Move wl12xx and wl1251 modules into a new drivers/net/wireless/ti
directory. Add a TI WLAN Kconfig option and Makefile to support this
change.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Cc: John W. Linville <linville@tuxdriver.com>
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On the PandaBoard (omap_hsmmc + wl12xx_sdio) with DMA_API_DEBUG:
WARNING: at lib/dma-debug.c:930 check_for_stack.part.8+0x7c/0xe0()
omap_hsmmc omap_hsmmc.4: DMA-API: device driver maps memory fromstack
Signed-off-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Removal of PS management code from the driver as PS
is handled by the FW (dynamic PS)
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Update enums/structs to the new fw api.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add support for two MAC addresses. If the NVS has a valid MAC
address, that takes precedence and we use two sequential address
starting from the one specified.
If the NVS doesn't contain a valid MAC address (ie. if it is set to
00:00:00:00:00:00), we check if the HW PG version in use has the
BD_ADDR written in the fuse ROM. If it does, we read it and derive
the two subsequent addresses for WLAN.
During production, 3 addresses are reserved per device. The first for
Bluetooth (burnt in the fuse ROM) and the following two for WLAN.
This patch has some code by Igal and Arik (squashed from internal
patches).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In order to read the MAC addresses from the fuse ROM, we need to know
the chip ID and the HW PG version. We need to know the MAC address
during probe, because that's when we register our HW with mac80211.
To prepare for that, this patch reads the chip ID and HW PG version
during probe instead of doing it at boot time. We power the chip on
briefly in order to do that.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Up till now we only needed to access the partition table in boot.c.
But to add support for reading the MAC address from the FUSE in
testmode, we will have to change the partition in testmode.c.
Thus, we move the partition table to io.c and export it via io.h. It
makes more sense to have it in the io part anyway.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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An nvs with malformed contents could cause the processing of the
calibration data to read beyond the end of the buffer. Prevent this
from happening by adding bound checking.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Cc: stable@kernel.org
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into wl12xx-next
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These were getting the macros from an implicit module.h
include via device.h, but we are planning to clean that up.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
drivers/net: Add export.h to wireless/brcm80211/brcmfmac/bcmsdh.c
This relatively recently added file uses EXPORT_SYMBOL and hence
needs export.h included so that it is compatible with the module.h
split up work.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Separate the debugging macros and other definitions to a new debug.h
file. This is be needed because the sdio and spi modules don't need
to depend on the wl12xx module anymore, but still need to include
wl12xx.h. Currently they do depend on it, because of the debugging
global that wl12xx exports. A future patch will remove this
dependency.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The current wl12xx fw (7.3.0.0.77) supports both STA and AP mode, and
we no longer use AP-mode-specific quirks.
WL12XX_QUIRK_END_OF_TRANSACTION is still used for certain HWs, while
WL12XX_QUIRK_LPD_MODE is not used anymore.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The wl12xx FW supports HW channel switch. If we don't use it,
sometimes the firmware gets confused when recalibrating to the new
channel, causing RX problems. This commit adds HW channel switch
support by implementing the channell_switch op.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
[added one comment, remove the tx_flush and rephrased the commit message]
Signed-off-by: Luciano Coelho <coelho@ti.com>
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There was a check preventing 127x devices from using the 11a band when
operating as AP. Since we now support this functionality, remove the
check.
With this patch, a 11a AP starts ok on 127x cards.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Change the commands and events according to the new fw api
(fw >= 6/7.3.0.0.75).
The main change is the replacement of JOIN/DISCONNECT commands,
with ROLE_START/ROLE_STOP commands.
The use of these commands should be preceded by the ROLE_ENABLE
command (allocating role resources), and followed by the
ROLE_DISABLE command (freeing role resources).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The new fw doesn't support rx_filtering configuration (as a
stand-alone command. the rx filtering is done automatically
according to the active role).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Remove support for firmwares that require 2 spare blocks for packet TX
(and delete the WL12XX_QUIRK_USE_2_SPARE_BLOCKS quirk definition)
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Fix the value of PG version for 128x at sysfs, remove write permissions
from PG version (hw_pg_ver) in sysfs and add remove files
(hw_pg_ver,bt_coex_state) from sysfs while freeing hardware.
New macro names for register Fuse_data_2_1 depend on architecture.
Propagate chip id through wiphy in PLT mode which still not work of
a bug in ethtool.
Signed-off-by: Gery Kahn <geryk@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In AP mode we register for the MAX_TX_RETRY and INACTIVE_STA events.
Both are reported to the upper layers as a TX failure in the offending
stations.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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A recently added feature to the firmware enables the driver to retrieve
firmware logs via the host bus (SDIO or SPI).
There are two modes of operation:
1. On-demand: The FW collects its log in an internal ring buffer. This
buffer can later be read, for example, upon recovery.
2. Continuous: The FW pushes the FW logs as special packets in the RX
path.
Reading the internal ring buffer does not involve the FW. Thus, as long
as the HW is not in ELP, it should be possible to read the logs, even if
the FW crashes.
A sysfs binary file named "fwlog" was added to support this feature,
letting a monitor process read the FW messages. The log is transferred
from the FW only when available, so the reading process might block.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The FW initialization might depend on the FW revision, so check for any
FW quirks right after booting it.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The Low Power DRPw (LPD) mode contains several optimizations
that designed to reduce power consumption. The purpose
is to save current consumption in RX and Listen mode.
LPD setting apply only for wl127x AP mode (not wl128x)
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Adding new event that close RX BA session in case of periodic BT activity
limiting WLAN activity.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Subscribe and listen to PERIODIC_SCAN_REPORT_EVENT_ID and
PERIODIC_SCAN_COMPLETE_EVENT_ID in preparation for the scheduled scan
implementation.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This reverts commit 47684808fd89d6809c0886e06f8ac324252499d8.
Conflicts:
drivers/net/wireless/wl12xx/conf.h
drivers/net/wireless/wl12xx/main.c
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In AP mode we register for the MAX_TX_RETRY and INACTIVE_STA events.
Both are reported to the upper layers as a TX failure in the offending
stations.
In STA mode we register only for the MAX_TX_RETRY event. A TX failure is
interpreted as a loss of connection.
Support for IEEE80211_HW_REPORTS_TX_ACK_STATUS has been removed to avoid
the inherent race condition of a mac80211 TX failure counter in addition
to the FW counter.
This patch depends on "mac80211: allow low level driver to report packet
loss"
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Instead of hardcoding the hci_io_ds configuration that we write to the
SDIO_IO_DS top registed, read it from the default configuration so
that it's easier to change for different platforms.
Reported-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Clean up the boot sequence code & fix the following issues:
1. Always read the registers' values and set the relevant bits instead of
zeroing all other bits
2. Handle cases where wl1271_top_reg_read returns an error
3. Verify that the HW can detect the selected clock source
4. Remove 128x PG10 initialization code
5. Configure the MCS PLL to work in HP mode
Signed-off-by: Ido Yariv <ido@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Support sending dummy packet to wl128x FW as results of
dummy packet event. That is part of dynamic TX mem blocks mechanism.
Only send dummy packet when not in AP mode.
[Even though the DUMMY_PACKET_EVENT_ID and the
STA_REMOVE_COMPLETE_EVENT_ID events are defined to the same value, we
need to treat them separately in the code. Keep the check and enable
STA_REMOVE_COMPLETE_EVENT_ID for AP mode and DUMMY_PACKET_EVENT_ID for
STA. Moved one warning to a cleaner place. Use WL1271_TID_MGMT for
dummy packets -- Luca]
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Boot sequence support FREF clock and TCXO clock.
WL128x has two clocks input - TCXO and FREF.
TCXO is the main clock of the device, while FREF is used to sync
between the GPS and the cellular modem.
Auto-detection checks where TCXO is 32.736MHz or 16.368MHz, in that
case the FREF will be used as the WLAN/BT main clock.
[Use clock enumeration as defined in linux/wl12xx.h; remove
unnecessary else block in wl128x_switch_fref; remove unnecessary
change in main.c; remove some unnecessary debug prints and comments;
fix potential use of uninitialized value (pll_config) -- Luca]
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Take care of FW & NVS with the auto-detection between wl127x and
wl128x.
[Moved some common code outside if statements and added notes about
NVS structure assumptions; Fixed a bug when checking the nvs size: if
the size was incorrect, the local nvs variable was set to NULL, it
should be wl->nvs instead. -- Luca]
[Merged with potential buffer overflow fix -- Luca]
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In order to prevent overran of IRQ polarity via FW the polarity setting move after
FW download and before IRQ enable.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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On newer hardware revisions, there is no need to write the host's
counter at the end of a RX transaction. The same applies to writing the
number of packets at the end of a TX transaction.
It is generally a good idea to avoid unnecessary SDIO/SPI transfers.
Throughput and CPU usage are improved when avoiding these.
Send the host's RX counter and the TX packet count only if needed, based
on the hardware revision.
[Changed WL12XX_QUIRK_END_OF_TRANSACTION to use BIT(0) -- Luca]
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add 80211n BA initiator session support wl1271 driver.
Include BA supported FW version auto detection mechanism.
BA initiator session management included in FW independently.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Indicate support for the NL80211_IFTYPE_AP interface mode to enable AP
mode operation.
Disable 11a when operating in AP-mode (unsupported for now).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Set filters according to the mode of operation.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add STA-remove completion event. Unmask it during boot if operating in
AP-mode.
Ignore unrelated events in AP-mode.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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No function declared in gpio.h is used here.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For the SDIO testing module we need to load the firmware but not
boot it. wl1271_load_firmware() is meant to do just the firmware loading part.
We also export some functions so they are usable in the testing module.
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
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All files name prefix removed due to the fact that wl12xx driver supports
wl1271 and wl1273.
Also the definition in Kconfig and header files changed respectively.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
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Now that all 1271 files are split, we can add wl1251_ prefix to the files.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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With WL1271, the firmware version can only be read right after booting the
chip. To keep WL1251 aligned with this procedure, the code that reads the
firmware version initially has been moved to a common place where it can be
read from both chipsets.
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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wl12xx is a driver for TI wl1251 802.11 chipset designed for embedded
devices, supporting both SDIO and SPI busses. Currently the driver
supports only SPI. Adding support 1253 (the 5 GHz version) should be
relatively easy. More information here:
http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?contentId=4711&navigationId=12494&templateId=6123
(Collapsed original sequence of pre-merge patches into single commit for
initial merge. -- JWL)
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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