986ea6c9e3
When we disable a queue, we don't want the SCD to remember anything about this queue (what packet was transmitted but not acked, what packed was acked etc...). Wipe out all this data in its SRAM. Constify the arguments to iwl_write_targ_mem_dwords on the way. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
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*
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* Portions of this file are derived from the ipw3945 project.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#ifndef __iwl_io_h__
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#define __iwl_io_h__
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#include "iwl-devtrace.h"
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#include "iwl-trans.h"
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static inline void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val)
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{
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trace_iwlwifi_dev_iowrite8(trans->dev, ofs, val);
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iwl_trans_write8(trans, ofs, val);
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}
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static inline void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val)
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{
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trace_iwlwifi_dev_iowrite32(trans->dev, ofs, val);
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iwl_trans_write32(trans, ofs, val);
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}
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static inline u32 iwl_read32(struct iwl_trans *trans, u32 ofs)
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{
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u32 val = iwl_trans_read32(trans, ofs);
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trace_iwlwifi_dev_ioread32(trans->dev, ofs, val);
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return val;
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}
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void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask);
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void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask);
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void iwl_set_bits_mask(struct iwl_trans *trans, u32 reg, u32 mask, u32 value);
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int iwl_poll_bit(struct iwl_trans *trans, u32 addr,
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u32 bits, u32 mask, int timeout);
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int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
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int timeout);
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int iwl_grab_nic_access_silent(struct iwl_trans *trans);
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bool iwl_grab_nic_access(struct iwl_trans *trans);
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void iwl_release_nic_access(struct iwl_trans *trans);
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u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
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void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
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u32 iwl_read_prph(struct iwl_trans *trans, u32 reg);
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void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val);
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void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
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void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg,
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u32 bits, u32 mask);
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void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask);
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void _iwl_read_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
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void *buf, int dwords);
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#define iwl_read_targ_mem_bytes(trans, addr, buf, bufsize) \
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do { \
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BUILD_BUG_ON((bufsize) % sizeof(u32)); \
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_iwl_read_targ_mem_dwords(trans, addr, buf, \
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(bufsize) / sizeof(u32));\
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} while (0)
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int _iwl_write_targ_mem_dwords(struct iwl_trans *trans, u32 addr,
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const void *buf, int dwords);
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u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr);
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int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val);
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#endif
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