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To save power, don't run apm_ops.init() until needed at "up" time.
EEPROM (5000 and earlier devices) may be read without running apm_ops.init(),
but OTP reads (6000 and newer devices) require a powered-up chip.
Therefore, remove apm_ops.init() from the general path in XXXX_pci_probe(),
and call it only if device uses OTP. Once done with OTP read, call
apm_ops.stop() to reset chip and save power until "up" time comes around.
NOTE: This patch depends on removal of priv->lock from iwl_apm_stop();
lock does not get initialized until later in flow. See patch
"remove unneeded locks from apm_stop()".
Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For 6x00 and 6x50 series NIC with OTP shadow RAM, set auto clock gate
disable bit when initializing OTP access.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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Both 1000 & 6000 series NICs contain on-chip OTP memory that
replaces the off-chip EEPROM memory. The nature of OTP means
there is a limited number of times a particular board can go through the
factory flow and be (re)calibrated. As a consequence there will be some boards
that contain EEPROM memory because OTP blocks were full.
In the signature validation routine, iwlwifi needs to make sure
"select bit" and "EEPROM/OTP signature" agree on the type of
NVM to be used to configure the system.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Replace iwl_poll_direct_bit with iwl_poll_bit when accessing CSR registers.
There is no need to power up the mac to access CSR registers.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Ben M Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The address stored in the next link address is a word address but when
reading the OTP blocks, a byte address is used. Also if the blocks are
full and the last link pointer is not zero, then none of the blocks are
valid so return an error.
The algorithm is simply valid blocks have a next address and that
address's contents is zero.
Using the wrong address for the next link address gets arbitrary data,
obviously. In cases seen, the first block is considered valid when it is not.
If the block has in fact been invalidated there may be old data or
there may be no data, bad data, or partial data, there is no way of
telling. Without this patch it is possible that a device with valid OTP data
is unable to work.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For 6000 series and up, additional enhanced regulatory tx power
limitation information is added to EEPROM image.
In order to setup the tx power limitation per channel correctly. Read
the enhanced tx power information from EEPROM image and update
accordingly.
The information is provided per SISO (a,b,c) chain based, it also has
information for both MIMO2 and MIMO3. For tx power regulatory
limitation, take the highest number from all the chains and update.
Also update tx_power_user_lmt to the highest power supported by any
channels and chains
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For devices using OTP memory, EEPROM image can start from
any one of the OTP blocks. If shadow RAM is disabled, we need to
traverse link list to find the last valid block, then start the EEPROM
image reading.
If OTP is not full, the valid block is the block _before_ the last block
on the link list; the last block on the link list is the empty block
ready for next OTP refresh/update.
If OTP is full, then the last block is the valid block to be used for
configure the device.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch cleans up the HT40 extension channels setup for EEPROM
band 6 and 7 to make it more readable.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rename "fat" to "ht40"
The term "fat channel" is deprecated in favor of "HT40"
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When deciding NVM type, if the HW type is unknown, report error and exit
with -ENOENT. This check should prevent incorrect behavior by assuming
the wrong NVM type.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Polling function returns positive time if polling was needed to
read value. This is still success.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add new lock to be used when accessing some registers. Also move
the register lock and iwl_grab_nic_access inside the function for register access. This
will prevent from forgetting to hold locks and nic access in the right way and make code
easier to maintain.
We over use the priv->lock spin lock and I guess we need to add new
one for Tx queue after that we might need to change most of these lock to
BH and just keep priv->lock as irq type.
Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Two type of NVM available for devices 1000, 6000 and after, adding
support to read OTP lower blocks if OTP is used instead of EEPROM.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is more consistent with our nl80211 naming convention
for HT40-/+.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Somehow these pre-production cards are showing up in the community.
With this message we hope that it will be clear that the hardware is not
supported.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The test to find out if we have FAT channels do not consider that
the value of regulatory_bands for the 5000 series is larger than its
eeprom size. Using the eeprom size is strange in itself.
Use a new EEPROM_REGULATORY_BAND_NO_FAT to indicate no FAT support
and test for that explicitly.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Call IWL_DEBUG macro with explicit priv argument.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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By adding the eeprom ops to the 3945 code, we can now use the iwlcore eeprom
routines (defined in iwl-eeprom.c).
We also removed the heavy eeprom39 reference from iwl_priv and use the eeprom
pointer instead.
Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch removes user_txpower_limit and max_channel_txpower_limit
and use tx_power_user_lmt and tx_power_channel_lmt instead
call_post_assoc_from_beacon is not used
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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IWL_ERR doesn't use hidden priv pointer.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch replaces the current reading EEPROM loop iterations with
iwl_poll_direct_bit(). It also fixes some comment error.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch replaces personal emails with hopefully
always valid Intel Linux Wireless, which will be routed
to a current maintainer
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch merges implementation of iwl_poll_bit() and
iwl_poll_direct_bit() by letting the latter be a special case of
the former.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch uses new parameters eeprom_ver and eeprom_calib_ver
to support additional HW.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
drivers/net/wireless/ath5k/base.c
drivers/net/wireless/b43/main.c
drivers/net/wireless/ipw2100.c
drivers/net/wireless/ipw2200.c
drivers/net/wireless/iwlwifi/iwl-3945.c
drivers/net/wireless/iwlwifi/iwl-4965.c
drivers/net/wireless/iwlwifi/iwl-5000.c
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl-core.c
drivers/net/wireless/iwlwifi/iwl-eeprom.c
drivers/net/wireless/iwlwifi/iwl-hcmd.c
drivers/net/wireless/iwlwifi/iwl-power.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
This patch removes the said #include <version.h>.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add newlines at printk outputs to not break dmesg.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Zhu Yi <yi.zhu@intel.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes errors reported by checkpatch in iwlwifi drivers
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch
1. Refactors settings of tx power
2. enables iwconfig txpower <value>
3. adds 5000 HW tx power
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch removes redundant flags regarding to FAT channel. Use
mac80211's flag instead.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch cleans up iwl4965_mac_config.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch refactores pci prob flow. It moves mac80211 registration
to the end, otherwise there is a race between error path in pci_probe
and mac_start.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch cleans up 4965 remaings from iwl-eeprom.c file.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch renames iwl-4965.h to iwl-dev.h
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch renames iwl-4965-commands to iwl-commands.h
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch move eeprom version checking into pci probe stage
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Setting Narrow Channel bit in the scan command caused the device
not to send probe request on all the channels
Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch
1. changes the current EEPROM handling through a single HW struct
layout representation, to more general approach, treating the EEPROM
image as a flat bytes array, handling this image through ops functions
and offsets.
2. Eeprom is dynamically allocated accroding HW type
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch renames iwl-4965-io.h back to iw-io.h
it also remove 4965 from all functions it supplies
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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iwl4965_get_channel_info was moved to iwlcore module
4965 needs to be stripped off
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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1. Extracting hw and priv initialization from probe function.
2. Moving some initialization functions to core module.
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch renames iwl4965_priv to iwl_priv. iwl_priv will
be shared by more hw.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch removes iwl-4965-debug.h to iwl-debug.h
It will be used by more NICs
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch move EEPROM code into iwl core module
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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