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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/net/wireless/iwlwifi/
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) 2005 - 2010 Intel Corporation. All rights reserved.
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 LICENSE.GPL.
26 *
27 * Contact Information:
28 *  Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2010 Intel Corporation. All rights reserved.
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#ifndef __iwl_3945_fh_h__
64#define __iwl_3945_fh_h__
65
66/************************************/
67/* iwl3945 Flow Handler Definitions */
68/************************************/
69
70/**
71 * This I/O area is directly read/writable by driver (e.g. Linux uses writel())
72 * Addresses are offsets from device's PCI hardware base address.
73 */
74#define FH39_MEM_LOWER_BOUND                   (0x0800)
75#define FH39_MEM_UPPER_BOUND                   (0x1000)
76
77#define FH39_CBCC_TABLE		(FH39_MEM_LOWER_BOUND + 0x140)
78#define FH39_TFDB_TABLE		(FH39_MEM_LOWER_BOUND + 0x180)
79#define FH39_RCSR_TABLE		(FH39_MEM_LOWER_BOUND + 0x400)
80#define FH39_RSSR_TABLE		(FH39_MEM_LOWER_BOUND + 0x4c0)
81#define FH39_TCSR_TABLE		(FH39_MEM_LOWER_BOUND + 0x500)
82#define FH39_TSSR_TABLE		(FH39_MEM_LOWER_BOUND + 0x680)
83
84/* TFDB (Transmit Frame Buffer Descriptor) */
85#define FH39_TFDB(_ch, buf)			(FH39_TFDB_TABLE + \
86						 ((_ch) * 2 + (buf)) * 0x28)
87#define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch)	(FH39_TFDB_TABLE + 0x50 * (_ch))
88
89/* CBCC channel is [0,2] */
90#define FH39_CBCC(_ch)		(FH39_CBCC_TABLE + (_ch) * 0x8)
91#define FH39_CBCC_CTRL(_ch)	(FH39_CBCC(_ch) + 0x00)
92#define FH39_CBCC_BASE(_ch)	(FH39_CBCC(_ch) + 0x04)
93
94/* RCSR channel is [0,2] */
95#define FH39_RCSR(_ch)			(FH39_RCSR_TABLE + (_ch) * 0x40)
96#define FH39_RCSR_CONFIG(_ch)		(FH39_RCSR(_ch) + 0x00)
97#define FH39_RCSR_RBD_BASE(_ch)		(FH39_RCSR(_ch) + 0x04)
98#define FH39_RCSR_WPTR(_ch)		(FH39_RCSR(_ch) + 0x20)
99#define FH39_RCSR_RPTR_ADDR(_ch)	(FH39_RCSR(_ch) + 0x24)
100
101#define FH39_RSCSR_CHNL0_WPTR		(FH39_RCSR_WPTR(0))
102
103/* RSSR */
104#define FH39_RSSR_CTRL			(FH39_RSSR_TABLE + 0x000)
105#define FH39_RSSR_STATUS		(FH39_RSSR_TABLE + 0x004)
106
107/* TCSR */
108#define FH39_TCSR(_ch)			(FH39_TCSR_TABLE + (_ch) * 0x20)
109#define FH39_TCSR_CONFIG(_ch)		(FH39_TCSR(_ch) + 0x00)
110#define FH39_TCSR_CREDIT(_ch)		(FH39_TCSR(_ch) + 0x04)
111#define FH39_TCSR_BUFF_STTS(_ch)	(FH39_TCSR(_ch) + 0x08)
112
113/* TSSR */
114#define FH39_TSSR_CBB_BASE        (FH39_TSSR_TABLE + 0x000)
115#define FH39_TSSR_MSG_CONFIG      (FH39_TSSR_TABLE + 0x008)
116#define FH39_TSSR_TX_STATUS       (FH39_TSSR_TABLE + 0x010)
117
118
119/* DBM */
120
121#define FH39_SRVC_CHNL                            (6)
122
123#define FH39_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE     (20)
124#define FH39_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH      (4)
125
126#define FH39_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN    (0x08000000)
127
128#define FH39_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE        (0x80000000)
129
130#define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE           (0x20000000)
131
132#define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128		(0x01000000)
133
134#define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST		(0x00001000)
135
136#define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH			(0x00000000)
137
138#define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF		(0x00000000)
139#define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER		(0x00000001)
140
141#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL	(0x00000000)
142#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL	(0x00000008)
143
144#define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD		(0x00200000)
145
146#define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT		(0x00000000)
147
148#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE		(0x00000000)
149#define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE		(0x80000000)
150
151#define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID		(0x00004000)
152
153#define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR		(0x00000001)
154
155#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON	(0xFF000000)
156#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON	(0x00FF0000)
157
158#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B	(0x00000400)
159
160#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON		(0x00000100)
161#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON		(0x00000080)
162
163#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH	(0x00000020)
164#define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH		(0x00000005)
165
166#define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch)	(BIT(_ch) << 24)
167#define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch)	(BIT(_ch) << 16)
168
169#define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \
170	(FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \
171	 FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch))
172
173#define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE			(0x01000000)
174
175struct iwl3945_tfd_tb {
176	__le32 addr;
177	__le32 len;
178} __packed;
179
180struct iwl3945_tfd {
181	__le32 control_flags;
182	struct iwl3945_tfd_tb tbs[4];
183	u8 __pad[28];
184} __packed;
185
186
187#endif /* __iwl_3945_fh_h__ */
188