/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2014 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2014 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#ifndef __iwl_scd_h__
#define __iwl_scd_h__
#include "iwl-trans.h"
#include "iwl-io.h"
#include "iwl-prph.h"
static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans,
u16 txq_id)
{
iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
}
static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans,
u16 txq_id)
{
iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
}
static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans,
u16 txq_id)
{
iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
}
static inline void iwl_scd_disable_agg(struct iwl_trans *trans)
{
iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);
}
static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)
{
iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));
}
static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
{
iwl_write_prph(trans, SCD_TXFACT, 0);
}
static inline void iwl_scd_enable_set_active(struct iwl_trans *trans,
u32 value)
{
iwl_write_prph(trans, SCD_EN_CTRL, value);
}
static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)
{
if (chnl < 20)
return SCD_BASE + 0x18 + chnl * 4;
WARN_ON_ONCE(chnl >= 32);
return SCD_BASE + 0x284 + (chnl - 20) * 4;
}
static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl)
{
if (chnl < 20)
return SCD_BASE + 0x68 + chnl * 4;
WARN_ON_ONCE(chnl >= 32);
return SCD_BASE + 0x2B4 + chnl * 4;
}
static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl)
{
if (chnl < 20)
return SCD_BASE + 0x10c + chnl * 4;
WARN_ON_ONCE(chnl >= 32);
return SCD_BASE + 0x334 + chnl * 4;
}
static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans,
u16 txq_id)
{
iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
}
#endif
