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) 2018, 2020 Intel Corporation 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 * BSD LICENSE 20 * 21 * Copyright(c) 2018, 2020 Intel Corporation 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 28 * * Redistributions of source code must retain the above copyright 29 * notice, this list of conditions and the following disclaimer. 30 * * Redistributions in binary form must reproduce the above copyright 31 * notice, this list of conditions and the following disclaimer in 32 * the documentation and/or other materials provided with the 33 * distribution. 34 * * Neither the name Intel Corporation nor the names of its 35 * contributors may be used to endorse or promote products derived 36 * from this software without specific prior written permission. 37 * 38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 39 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 40 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 41 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 42 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 44 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 45 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 46 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 47 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 48 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 49 * 50 *****************************************************************************/ 51 #ifndef __iwl_context_info_file_gen3_h__ 52 #define __iwl_context_info_file_gen3_h__ 53 54 #include "iwl-context-info.h" 55 56 #define CSR_CTXT_INFO_BOOT_CTRL 0x0 57 #define CSR_CTXT_INFO_ADDR 0x118 58 #define CSR_IML_DATA_ADDR 0x120 59 #define CSR_IML_SIZE_ADDR 0x128 60 #define CSR_IML_RESP_ADDR 0x12c 61 62 /* Set bit for enabling automatic function boot */ 63 #define CSR_AUTO_FUNC_BOOT_ENA BIT(1) 64 /* Set bit for initiating function boot */ 65 #define CSR_AUTO_FUNC_INIT BIT(7) 66 67 /** 68 * enum iwl_prph_scratch_mtr_format - tfd size configuration 69 * @IWL_PRPH_MTR_FORMAT_16B: 16 bit tfd 70 * @IWL_PRPH_MTR_FORMAT_32B: 32 bit tfd 71 * @IWL_PRPH_MTR_FORMAT_64B: 64 bit tfd 72 * @IWL_PRPH_MTR_FORMAT_256B: 256 bit tfd 73 */ 74 enum iwl_prph_scratch_mtr_format { 75 IWL_PRPH_MTR_FORMAT_16B = 0x0, 76 IWL_PRPH_MTR_FORMAT_32B = 0x40000, 77 IWL_PRPH_MTR_FORMAT_64B = 0x80000, 78 IWL_PRPH_MTR_FORMAT_256B = 0xC0000, 79 }; 80 81 /** 82 * enum iwl_prph_scratch_flags - PRPH scratch control flags 83 * @IWL_PRPH_SCRATCH_EARLY_DEBUG_EN: enable early debug conf 84 * @IWL_PRPH_SCRATCH_EDBG_DEST_DRAM: use DRAM, with size allocated 85 * in hwm config. 86 * @IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL: use buffer on SRAM 87 * @IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER: use st arbiter, mainly for 88 * multicomm. 89 * @IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF: route debug data to SoC HW 90 * @IWL_PRPH_SCTATCH_RB_SIZE_4K: Use 4K RB size (the default is 2K) 91 * @IWL_PRPH_SCRATCH_MTR_MODE: format used for completion - 0: for 92 * completion descriptor, 1 for responses (legacy) 93 * @IWL_PRPH_SCRATCH_MTR_FORMAT: a mask for the size of the tfd. 94 * There are 4 optional values: 0: 16 bit, 1: 32 bit, 2: 64 bit, 95 * 3: 256 bit. 96 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK: RB size full information, ignored 97 * by older firmware versions, so set IWL_PRPH_SCRATCH_RB_SIZE_4K 98 * appropriately; use the below values for this. 99 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K: 8kB RB size 100 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K: 12kB RB size 101 */ 102 enum iwl_prph_scratch_flags { 103 IWL_PRPH_SCRATCH_EARLY_DEBUG_EN = BIT(4), 104 IWL_PRPH_SCRATCH_EDBG_DEST_DRAM = BIT(8), 105 IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL = BIT(9), 106 IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER = BIT(10), 107 IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF = BIT(11), 108 IWL_PRPH_SCRATCH_RB_SIZE_4K = BIT(16), 109 IWL_PRPH_SCRATCH_MTR_MODE = BIT(17), 110 IWL_PRPH_SCRATCH_MTR_FORMAT = BIT(18) | BIT(19), 111 IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK = 0xf << 20, 112 IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K = 8 << 20, 113 IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K = 9 << 20, 114 }; 115 116 /* 117 * struct iwl_prph_scratch_version - version structure 118 * @mac_id: SKU and revision id 119 * @version: prph scratch information version id 120 * @size: the size of the context information in DWs 121 * @reserved: reserved 122 */ 123 struct iwl_prph_scratch_version { 124 __le16 mac_id; 125 __le16 version; 126 __le16 size; 127 __le16 reserved; 128 } __packed; /* PERIPH_SCRATCH_VERSION_S */ 129 130 /* 131 * struct iwl_prph_scratch_control - control structure 132 * @control_flags: context information flags see &enum iwl_prph_scratch_flags 133 * @reserved: reserved 134 */ 135 struct iwl_prph_scratch_control { 136 __le32 control_flags; 137 __le32 reserved; 138 } __packed; /* PERIPH_SCRATCH_CONTROL_S */ 139 140 /* 141 * struct iwl_prph_scratch_ror_cfg - ror config 142 * @ror_base_addr: ror start address 143 * @ror_size: ror size in DWs 144 * @reserved: reserved 145 */ 146 struct iwl_prph_scratch_ror_cfg { 147 __le64 ror_base_addr; 148 __le32 ror_size; 149 __le32 reserved; 150 } __packed; /* PERIPH_SCRATCH_ROR_CFG_S */ 151 152 /* 153 * struct iwl_prph_scratch_hwm_cfg - hwm config 154 * @hwm_base_addr: hwm start address 155 * @hwm_size: hwm size in DWs 156 * @reserved: reserved 157 */ 158 struct iwl_prph_scratch_hwm_cfg { 159 __le64 hwm_base_addr; 160 __le32 hwm_size; 161 __le32 reserved; 162 } __packed; /* PERIPH_SCRATCH_HWM_CFG_S */ 163 164 /* 165 * struct iwl_prph_scratch_rbd_cfg - RBDs configuration 166 * @free_rbd_addr: default queue free RB CB base address 167 * @reserved: reserved 168 */ 169 struct iwl_prph_scratch_rbd_cfg { 170 __le64 free_rbd_addr; 171 __le32 reserved; 172 } __packed; /* PERIPH_SCRATCH_RBD_CFG_S */ 173 174 /* 175 * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config 176 * @version: version information of context info and HW 177 * @control: control flags of FH configurations 178 * @ror_cfg: ror configuration 179 * @hwm_cfg: hwm configuration 180 * @rbd_cfg: default RX queue configuration 181 */ 182 struct iwl_prph_scratch_ctrl_cfg { 183 struct iwl_prph_scratch_version version; 184 struct iwl_prph_scratch_control control; 185 struct iwl_prph_scratch_ror_cfg ror_cfg; 186 struct iwl_prph_scratch_hwm_cfg hwm_cfg; 187 struct iwl_prph_scratch_rbd_cfg rbd_cfg; 188 } __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */ 189 190 /* 191 * struct iwl_prph_scratch - peripheral scratch mapping 192 * @ctrl_cfg: control and configuration of prph scratch 193 * @dram: firmware images addresses in DRAM 194 * @reserved: reserved 195 */ 196 struct iwl_prph_scratch { 197 struct iwl_prph_scratch_ctrl_cfg ctrl_cfg; 198 __le32 reserved[16]; 199 struct iwl_context_info_dram dram; 200 } __packed; /* PERIPH_SCRATCH_S */ 201 202 /* 203 * struct iwl_prph_info - peripheral information 204 * @boot_stage_mirror: reflects the value in the Boot Stage CSR register 205 * @ipc_status_mirror: reflects the value in the IPC Status CSR register 206 * @sleep_notif: indicates the peripheral sleep status 207 * @reserved: reserved 208 */ 209 struct iwl_prph_info { 210 __le32 boot_stage_mirror; 211 __le32 ipc_status_mirror; 212 __le32 sleep_notif; 213 __le32 reserved; 214 } __packed; /* PERIPH_INFO_S */ 215 216 /* 217 * struct iwl_context_info_gen3 - device INIT configuration 218 * @version: version of the context information 219 * @size: size of context information in DWs 220 * @config: context in which the peripheral would execute - a subset of 221 * capability csr register published by the peripheral 222 * @prph_info_base_addr: the peripheral information structure start address 223 * @cr_head_idx_arr_base_addr: the completion ring head index array 224 * start address 225 * @tr_tail_idx_arr_base_addr: the transfer ring tail index array 226 * start address 227 * @cr_tail_idx_arr_base_addr: the completion ring tail index array 228 * start address 229 * @tr_head_idx_arr_base_addr: the transfer ring head index array 230 * start address 231 * @cr_idx_arr_size: number of entries in the completion ring index array 232 * @tr_idx_arr_size: number of entries in the transfer ring index array 233 * @mtr_base_addr: the message transfer ring start address 234 * @mcr_base_addr: the message completion ring start address 235 * @mtr_size: number of entries which the message transfer ring can hold 236 * @mcr_size: number of entries which the message completion ring can hold 237 * @mtr_doorbell_vec: the doorbell vector associated with the message 238 * transfer ring 239 * @mcr_doorbell_vec: the doorbell vector associated with the message 240 * completion ring 241 * @mtr_msi_vec: the MSI which shall be generated by the peripheral after 242 * completing a transfer descriptor in the message transfer ring 243 * @mcr_msi_vec: the MSI which shall be generated by the peripheral after 244 * completing a completion descriptor in the message completion ring 245 * @mtr_opt_header_size: the size of the optional header in the transfer 246 * descriptor associated with the message transfer ring in DWs 247 * @mtr_opt_footer_size: the size of the optional footer in the transfer 248 * descriptor associated with the message transfer ring in DWs 249 * @mcr_opt_header_size: the size of the optional header in the completion 250 * descriptor associated with the message completion ring in DWs 251 * @mcr_opt_footer_size: the size of the optional footer in the completion 252 * descriptor associated with the message completion ring in DWs 253 * @msg_rings_ctrl_flags: message rings control flags 254 * @prph_info_msi_vec: the MSI which shall be generated by the peripheral 255 * after updating the Peripheral Information structure 256 * @prph_scratch_base_addr: the peripheral scratch structure start address 257 * @prph_scratch_size: the size of the peripheral scratch structure in DWs 258 * @reserved: reserved 259 */ 260 struct iwl_context_info_gen3 { 261 __le16 version; 262 __le16 size; 263 __le32 config; 264 __le64 prph_info_base_addr; 265 __le64 cr_head_idx_arr_base_addr; 266 __le64 tr_tail_idx_arr_base_addr; 267 __le64 cr_tail_idx_arr_base_addr; 268 __le64 tr_head_idx_arr_base_addr; 269 __le16 cr_idx_arr_size; 270 __le16 tr_idx_arr_size; 271 __le64 mtr_base_addr; 272 __le64 mcr_base_addr; 273 __le16 mtr_size; 274 __le16 mcr_size; 275 __le16 mtr_doorbell_vec; 276 __le16 mcr_doorbell_vec; 277 __le16 mtr_msi_vec; 278 __le16 mcr_msi_vec; 279 u8 mtr_opt_header_size; 280 u8 mtr_opt_footer_size; 281 u8 mcr_opt_header_size; 282 u8 mcr_opt_footer_size; 283 __le16 msg_rings_ctrl_flags; 284 __le16 prph_info_msi_vec; 285 __le64 prph_scratch_base_addr; 286 __le32 prph_scratch_size; 287 __le32 reserved; 288 } __packed; /* IPC_CONTEXT_INFO_S */ 289 290 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans, 291 const struct fw_img *fw); 292 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans); 293 294 #endif /* __iwl_context_info_file_gen3_h__ */ 295