144 lines
4.7 KiB
C
144 lines
4.7 KiB
C
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/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2014 Intel Mobile Communications GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it 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
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <linuxwifi@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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* BSD LICENSE
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*
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* Copyright(c) 2014 Intel Mobile Communications GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#ifndef __iwl_scd_h__
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#define __iwl_scd_h__
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#include "iwl-trans.h"
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#include "iwl-io.h"
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#include "iwl-prph.h"
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static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
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}
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static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
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}
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static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
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}
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static inline void iwl_scd_disable_agg(struct iwl_trans *trans)
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{
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iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);
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}
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static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)
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{
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iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));
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}
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static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
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{
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iwl_write_prph(trans, SCD_TXFACT, 0);
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}
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static inline void iwl_scd_enable_set_active(struct iwl_trans *trans,
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u32 value)
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{
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iwl_write_prph(trans, SCD_EN_CTRL, value);
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}
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static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)
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{
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if (chnl < 20)
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return SCD_BASE + 0x18 + chnl * 4;
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WARN_ON_ONCE(chnl >= 32);
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return SCD_BASE + 0x284 + (chnl - 20) * 4;
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}
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static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl)
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{
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if (chnl < 20)
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return SCD_BASE + 0x68 + chnl * 4;
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WARN_ON_ONCE(chnl >= 32);
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return SCD_BASE + 0x2B4 + chnl * 4;
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}
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static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl)
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{
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if (chnl < 20)
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return SCD_BASE + 0x10c + chnl * 4;
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WARN_ON_ONCE(chnl >= 32);
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return SCD_BASE + 0x334 + chnl * 4;
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}
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static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans,
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u16 txq_id)
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{
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iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
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(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
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(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
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}
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#endif
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