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iwlwifi: centralize 64 bit HW registers write

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Move the write_prph_64 of pcie to be transport agnostic.
Add direct write as well, as it is needed for a000 HW.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Sara Sharon
2016-06-23 12:04:55 +03:00
committed by Luca Coelho
parent 8de437c71e
commit 12a17458a2
4 changed files with 74 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/net/wireless/intel/iwlwifi/iwl-io.c
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@@ -51,6 +51,14 @@ void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val)
}
IWL_EXPORT_SYMBOL(iwl_write32);
void iwl_write64(struct iwl_trans *trans, u64 ofs, u64 val)
{
trace_iwlwifi_dev_iowrite64(trans->dev, ofs, val);
iwl_trans_write32(trans, ofs, val & 0xffffffff);
iwl_trans_write32(trans, ofs + 4, val >> 32);
}
IWL_EXPORT_SYMBOL(iwl_write64);
u32 iwl_read32(struct iwl_trans *trans, u32 ofs)
{
u32 val = iwl_trans_read32(trans, ofs);
@@ -102,6 +110,17 @@ void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value)
}
IWL_EXPORT_SYMBOL(iwl_write_direct32);
void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value)
{
unsigned long flags;
if (iwl_trans_grab_nic_access(trans, &flags)) {
iwl_write64(trans, reg, value);
iwl_trans_release_nic_access(trans, &flags);
}
}
IWL_EXPORT_SYMBOL(iwl_write_direct64);
int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
int timeout)
{
@@ -133,6 +152,14 @@ void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val)
}
IWL_EXPORT_SYMBOL(iwl_write_prph_no_grab);
void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val)
{
trace_iwlwifi_dev_iowrite_prph64(trans->dev, ofs, val);
iwl_write_prph_no_grab(trans, ofs, val & 0xffffffff);
iwl_write_prph_no_grab(trans, ofs + 4, val >> 32);
}
IWL_EXPORT_SYMBOL(iwl_write_prph64_no_grab);
u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs)
{
unsigned long flags;