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 - 2011 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 - 2011 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) 174 175 struct iwl3945_tfd_tb { 176 __le32 addr; 177 __le32 len; 178 } __packed; 179 180 struct 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