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1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2014 Intel Mobile Communications GmbH | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called COPYING. | |
26 | * | |
27 | * Contact Information: | |
d01c5366 | 28 | * Intel Linux Wireless <linuxwifi@intel.com> |
680073b7 AA |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2014 Intel Mobile Communications GmbH | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | ||
64 | #ifndef __iwl_scd_h__ | |
65 | #define __iwl_scd_h__ | |
66 | ||
67 | #include "iwl-trans.h" | |
68 | #include "iwl-io.h" | |
69 | #include "iwl-prph.h" | |
70 | ||
71 | ||
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72 | static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans, |
73 | u16 txq_id) | |
74 | { | |
75 | iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id)); | |
76 | } | |
77 | ||
78 | static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans, | |
79 | u16 txq_id) | |
80 | { | |
81 | iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id)); | |
82 | } | |
83 | ||
84 | static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans, | |
85 | u16 txq_id) | |
86 | { | |
87 | iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id)); | |
88 | } | |
89 | ||
90 | static inline void iwl_scd_disable_agg(struct iwl_trans *trans) | |
91 | { | |
92 | iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0); | |
93 | } | |
94 | ||
95 | static inline void iwl_scd_activate_fifos(struct iwl_trans *trans) | |
96 | { | |
97 | iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7)); | |
98 | } | |
99 | ||
100 | static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans) | |
101 | { | |
102 | iwl_write_prph(trans, SCD_TXFACT, 0); | |
103 | } | |
002a9e26 AA |
104 | |
105 | static inline void iwl_scd_enable_set_active(struct iwl_trans *trans, | |
106 | u32 value) | |
107 | { | |
108 | iwl_write_prph(trans, SCD_EN_CTRL, value); | |
109 | } | |
cb6bb128 EG |
110 | |
111 | static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl) | |
112 | { | |
113 | if (chnl < 20) | |
114 | return SCD_BASE + 0x18 + chnl * 4; | |
115 | WARN_ON_ONCE(chnl >= 32); | |
116 | return SCD_BASE + 0x284 + (chnl - 20) * 4; | |
117 | } | |
118 | ||
119 | static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl) | |
120 | { | |
121 | if (chnl < 20) | |
122 | return SCD_BASE + 0x68 + chnl * 4; | |
123 | WARN_ON_ONCE(chnl >= 32); | |
124 | return SCD_BASE + 0x2B4 + chnl * 4; | |
125 | } | |
126 | ||
127 | static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl) | |
128 | { | |
129 | if (chnl < 20) | |
130 | return SCD_BASE + 0x10c + chnl * 4; | |
131 | WARN_ON_ONCE(chnl >= 32); | |
132 | return SCD_BASE + 0x334 + chnl * 4; | |
133 | } | |
134 | ||
135 | static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans, | |
136 | u16 txq_id) | |
137 | { | |
138 | iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id), | |
139 | (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)| | |
140 | (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); | |
141 | } | |
142 | ||
680073b7 | 143 | #endif |