1e705c121SKalle Valo /****************************************************************************** 2e705c121SKalle Valo * 3e705c121SKalle Valo * This file is provided under a dual BSD/GPLv2 license. When using or 4e705c121SKalle Valo * redistributing this file, you may do so under either license. 5e705c121SKalle Valo * 6e705c121SKalle Valo * GPL LICENSE SUMMARY 7e705c121SKalle Valo * 8e705c121SKalle Valo * Copyright(c) 2014 Intel Mobile Communications GmbH 9e705c121SKalle Valo * 10e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 11e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 12e705c121SKalle Valo * published by the Free Software Foundation. 13e705c121SKalle Valo * 14e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 15e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 16e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17e705c121SKalle Valo * General Public License for more details. 18e705c121SKalle Valo * 19e705c121SKalle Valo * You should have received a copy of the GNU General Public License 20e705c121SKalle Valo * along with this program; if not, write to the Free Software 21e705c121SKalle Valo * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 22e705c121SKalle Valo * USA 23e705c121SKalle Valo * 24e705c121SKalle Valo * The full GNU General Public License is included in this distribution 25e705c121SKalle Valo * in the file called COPYING. 26e705c121SKalle Valo * 27e705c121SKalle Valo * Contact Information: 28e705c121SKalle Valo * Intel Linux Wireless <ilw@linux.intel.com> 29e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30e705c121SKalle Valo * 31e705c121SKalle Valo * BSD LICENSE 32e705c121SKalle Valo * 33e705c121SKalle Valo * Copyright(c) 2014 Intel Mobile Communications GmbH 34e705c121SKalle Valo * All rights reserved. 35e705c121SKalle Valo * 36e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 37e705c121SKalle Valo * modification, are permitted provided that the following conditions 38e705c121SKalle Valo * are met: 39e705c121SKalle Valo * 40e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 41e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 42e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 43e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 44e705c121SKalle Valo * the documentation and/or other materials provided with the 45e705c121SKalle Valo * distribution. 46e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 47e705c121SKalle Valo * contributors may be used to endorse or promote products derived 48e705c121SKalle Valo * from this software without specific prior written permission. 49e705c121SKalle Valo * 50e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 51e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 52e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 53e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 54e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 56e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 60e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61e705c121SKalle Valo * 62e705c121SKalle Valo *****************************************************************************/ 63e705c121SKalle Valo 64e705c121SKalle Valo #ifndef __iwl_scd_h__ 65e705c121SKalle Valo #define __iwl_scd_h__ 66e705c121SKalle Valo 67e705c121SKalle Valo #include "iwl-trans.h" 68e705c121SKalle Valo #include "iwl-io.h" 69e705c121SKalle Valo #include "iwl-prph.h" 70e705c121SKalle Valo 71e705c121SKalle Valo 72e705c121SKalle Valo static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans, 73e705c121SKalle Valo u16 txq_id) 74e705c121SKalle Valo { 75e705c121SKalle Valo iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id)); 76e705c121SKalle Valo } 77e705c121SKalle Valo 78e705c121SKalle Valo static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans, 79e705c121SKalle Valo u16 txq_id) 80e705c121SKalle Valo { 81e705c121SKalle Valo iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id)); 82e705c121SKalle Valo } 83e705c121SKalle Valo 84e705c121SKalle Valo static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans, 85e705c121SKalle Valo u16 txq_id) 86e705c121SKalle Valo { 87e705c121SKalle Valo iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id)); 88e705c121SKalle Valo } 89e705c121SKalle Valo 90e705c121SKalle Valo static inline void iwl_scd_disable_agg(struct iwl_trans *trans) 91e705c121SKalle Valo { 92e705c121SKalle Valo iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0); 93e705c121SKalle Valo } 94e705c121SKalle Valo 95e705c121SKalle Valo static inline void iwl_scd_activate_fifos(struct iwl_trans *trans) 96e705c121SKalle Valo { 97e705c121SKalle Valo iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7)); 98e705c121SKalle Valo } 99e705c121SKalle Valo 100e705c121SKalle Valo static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans) 101e705c121SKalle Valo { 102e705c121SKalle Valo iwl_write_prph(trans, SCD_TXFACT, 0); 103e705c121SKalle Valo } 104e705c121SKalle Valo 105e705c121SKalle Valo static inline void iwl_scd_enable_set_active(struct iwl_trans *trans, 106e705c121SKalle Valo u32 value) 107e705c121SKalle Valo { 108e705c121SKalle Valo iwl_write_prph(trans, SCD_EN_CTRL, value); 109e705c121SKalle Valo } 110e705c121SKalle Valo 111e705c121SKalle Valo static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl) 112e705c121SKalle Valo { 113e705c121SKalle Valo if (chnl < 20) 114e705c121SKalle Valo return SCD_BASE + 0x18 + chnl * 4; 115e705c121SKalle Valo WARN_ON_ONCE(chnl >= 32); 116e705c121SKalle Valo return SCD_BASE + 0x284 + (chnl - 20) * 4; 117e705c121SKalle Valo } 118e705c121SKalle Valo 119e705c121SKalle Valo static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl) 120e705c121SKalle Valo { 121e705c121SKalle Valo if (chnl < 20) 122e705c121SKalle Valo return SCD_BASE + 0x68 + chnl * 4; 123e705c121SKalle Valo WARN_ON_ONCE(chnl >= 32); 124e705c121SKalle Valo return SCD_BASE + 0x2B4 + chnl * 4; 125e705c121SKalle Valo } 126e705c121SKalle Valo 127e705c121SKalle Valo static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl) 128e705c121SKalle Valo { 129e705c121SKalle Valo if (chnl < 20) 130e705c121SKalle Valo return SCD_BASE + 0x10c + chnl * 4; 131e705c121SKalle Valo WARN_ON_ONCE(chnl >= 32); 132e705c121SKalle Valo return SCD_BASE + 0x334 + chnl * 4; 133e705c121SKalle Valo } 134e705c121SKalle Valo 135e705c121SKalle Valo static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans, 136e705c121SKalle Valo u16 txq_id) 137e705c121SKalle Valo { 138e705c121SKalle Valo iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id), 139e705c121SKalle Valo (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)| 140e705c121SKalle Valo (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); 141e705c121SKalle Valo } 142e705c121SKalle Valo 143e705c121SKalle Valo #endif 144