1 /* Copyright 2013-2016 Freescale Semiconductor Inc. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are met: 5 * * Redistributions of source code must retain the above copyright 6 * notice, this list of conditions and the following disclaimer. 7 * * Redistributions in binary form must reproduce the above copyright 8 * notice, this list of conditions and the following disclaimer in the 9 * documentation and/or other materials provided with the distribution. 10 * * Neither the name of the above-listed copyright holders nor the 11 * names of any contributors may be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * 15 * ALTERNATIVELY, this software may be distributed under the terms of the 16 * GNU General Public License ("GPL") as published by the Free Software 17 * Foundation, either version 2 of that License or (at your option) any 18 * later version. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 #ifndef _FSL_DPBP_CMD_H 33 #define _FSL_DPBP_CMD_H 34 35 /* DPBP Version */ 36 #define DPBP_VER_MAJOR 2 37 #define DPBP_VER_MINOR 2 38 39 /* Command IDs */ 40 #define DPBP_CMDID_CLOSE 0x800 41 #define DPBP_CMDID_OPEN 0x804 42 #define DPBP_CMDID_CREATE 0x904 43 #define DPBP_CMDID_DESTROY 0x900 44 45 #define DPBP_CMDID_ENABLE 0x002 46 #define DPBP_CMDID_DISABLE 0x003 47 #define DPBP_CMDID_GET_ATTR 0x004 48 #define DPBP_CMDID_RESET 0x005 49 #define DPBP_CMDID_IS_ENABLED 0x006 50 51 #define DPBP_CMDID_SET_IRQ 0x010 52 #define DPBP_CMDID_GET_IRQ 0x011 53 #define DPBP_CMDID_SET_IRQ_ENABLE 0x012 54 #define DPBP_CMDID_GET_IRQ_ENABLE 0x013 55 #define DPBP_CMDID_SET_IRQ_MASK 0x014 56 #define DPBP_CMDID_GET_IRQ_MASK 0x015 57 #define DPBP_CMDID_GET_IRQ_STATUS 0x016 58 #define DPBP_CMDID_CLEAR_IRQ_STATUS 0x017 59 60 #define DPBP_CMDID_SET_NOTIFICATIONS 0x01b0 61 #define DPBP_CMDID_GET_NOTIFICATIONS 0x01b1 62 63 struct dpbp_cmd_open { 64 __le32 dpbp_id; 65 }; 66 67 #define DPBP_ENABLE 0x1 68 69 struct dpbp_rsp_is_enabled { 70 u8 enabled; 71 }; 72 73 struct dpbp_cmd_set_irq { 74 /* cmd word 0 */ 75 u8 irq_index; 76 u8 pad[3]; 77 __le32 irq_val; 78 /* cmd word 1 */ 79 __le64 irq_addr; 80 /* cmd word 2 */ 81 __le32 irq_num; 82 }; 83 84 struct dpbp_cmd_get_irq { 85 __le32 pad; 86 u8 irq_index; 87 }; 88 89 struct dpbp_rsp_get_irq { 90 /* response word 0 */ 91 __le32 irq_val; 92 __le32 pad; 93 /* response word 1 */ 94 __le64 irq_addr; 95 /* response word 2 */ 96 __le32 irq_num; 97 __le32 type; 98 }; 99 100 struct dpbp_cmd_set_irq_enable { 101 u8 enable; 102 u8 pad[3]; 103 u8 irq_index; 104 }; 105 106 struct dpbp_cmd_get_irq_enable { 107 __le32 pad; 108 u8 irq_index; 109 }; 110 111 struct dpbp_rsp_get_irq_enable { 112 u8 enabled; 113 }; 114 115 struct dpbp_cmd_set_irq_mask { 116 __le32 mask; 117 u8 irq_index; 118 }; 119 120 struct dpbp_cmd_get_irq_mask { 121 __le32 pad; 122 u8 irq_index; 123 }; 124 125 struct dpbp_rsp_get_irq_mask { 126 __le32 mask; 127 }; 128 129 struct dpbp_cmd_get_irq_status { 130 __le32 status; 131 u8 irq_index; 132 }; 133 134 struct dpbp_rsp_get_irq_status { 135 __le32 status; 136 }; 137 138 struct dpbp_cmd_clear_irq_status { 139 __le32 status; 140 u8 irq_index; 141 }; 142 143 struct dpbp_rsp_get_attributes { 144 /* response word 0 */ 145 __le16 pad; 146 __le16 bpid; 147 __le32 id; 148 /* response word 1 */ 149 __le16 version_major; 150 __le16 version_minor; 151 }; 152 153 struct dpbp_cmd_set_notifications { 154 /* cmd word 0 */ 155 __le32 depletion_entry; 156 __le32 depletion_exit; 157 /* cmd word 1 */ 158 __le32 surplus_entry; 159 __le32 surplus_exit; 160 /* cmd word 2 */ 161 __le16 options; 162 __le16 pad[3]; 163 /* cmd word 3 */ 164 __le64 message_ctx; 165 /* cmd word 4 */ 166 __le64 message_iova; 167 }; 168 169 struct dpbp_rsp_get_notifications { 170 /* response word 0 */ 171 __le32 depletion_entry; 172 __le32 depletion_exit; 173 /* response word 1 */ 174 __le32 surplus_entry; 175 __le32 surplus_exit; 176 /* response word 2 */ 177 __le16 options; 178 __le16 pad[3]; 179 /* response word 3 */ 180 __le64 message_ctx; 181 /* response word 4 */ 182 __le64 message_iova; 183 }; 184 185 #endif /* _FSL_DPBP_CMD_H */ 186