linux/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h
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   1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
   2/*
   3 * Copyright (C) 2018, 2020-2021 Intel Corporation
   4 */
   5#ifndef __iwl_context_info_file_gen3_h__
   6#define __iwl_context_info_file_gen3_h__
   7
   8#include "iwl-context-info.h"
   9
  10#define CSR_CTXT_INFO_BOOT_CTRL         0x0
  11#define CSR_CTXT_INFO_ADDR              0x118
  12#define CSR_IML_DATA_ADDR               0x120
  13#define CSR_IML_SIZE_ADDR               0x128
  14#define CSR_IML_RESP_ADDR               0x12c
  15
  16/* Set bit for enabling automatic function boot */
  17#define CSR_AUTO_FUNC_BOOT_ENA          BIT(1)
  18/* Set bit for initiating function boot */
  19#define CSR_AUTO_FUNC_INIT              BIT(7)
  20
  21/**
  22 * enum iwl_prph_scratch_mtr_format - tfd size configuration
  23 * @IWL_PRPH_MTR_FORMAT_16B: 16 bit tfd
  24 * @IWL_PRPH_MTR_FORMAT_32B: 32 bit tfd
  25 * @IWL_PRPH_MTR_FORMAT_64B: 64 bit tfd
  26 * @IWL_PRPH_MTR_FORMAT_256B: 256 bit tfd
  27 */
  28enum iwl_prph_scratch_mtr_format {
  29        IWL_PRPH_MTR_FORMAT_16B = 0x0,
  30        IWL_PRPH_MTR_FORMAT_32B = 0x40000,
  31        IWL_PRPH_MTR_FORMAT_64B = 0x80000,
  32        IWL_PRPH_MTR_FORMAT_256B = 0xC0000,
  33};
  34
  35/**
  36 * enum iwl_prph_scratch_flags - PRPH scratch control flags
  37 * @IWL_PRPH_SCRATCH_EARLY_DEBUG_EN: enable early debug conf
  38 * @IWL_PRPH_SCRATCH_EDBG_DEST_DRAM: use DRAM, with size allocated
  39 *      in hwm config.
  40 * @IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL: use buffer on SRAM
  41 * @IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER: use st arbiter, mainly for
  42 *      multicomm.
  43 * @IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF: route debug data to SoC HW
  44 * @IWL_PRPH_SCTATCH_RB_SIZE_4K: Use 4K RB size (the default is 2K)
  45 * @IWL_PRPH_SCRATCH_MTR_MODE: format used for completion - 0: for
  46 *      completion descriptor, 1 for responses (legacy)
  47 * @IWL_PRPH_SCRATCH_MTR_FORMAT: a mask for the size of the tfd.
  48 *      There are 4 optional values: 0: 16 bit, 1: 32 bit, 2: 64 bit,
  49 *      3: 256 bit.
  50 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK: RB size full information, ignored
  51 *      by older firmware versions, so set IWL_PRPH_SCRATCH_RB_SIZE_4K
  52 *      appropriately; use the below values for this.
  53 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K: 8kB RB size
  54 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K: 12kB RB size
  55 * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K: 16kB RB size
  56 */
  57enum iwl_prph_scratch_flags {
  58        IWL_PRPH_SCRATCH_EARLY_DEBUG_EN         = BIT(4),
  59        IWL_PRPH_SCRATCH_EDBG_DEST_DRAM         = BIT(8),
  60        IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL     = BIT(9),
  61        IWL_PRPH_SCRATCH_EDBG_DEST_ST_ARBITER   = BIT(10),
  62        IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF      = BIT(11),
  63        IWL_PRPH_SCRATCH_RB_SIZE_4K             = BIT(16),
  64        IWL_PRPH_SCRATCH_MTR_MODE               = BIT(17),
  65        IWL_PRPH_SCRATCH_MTR_FORMAT             = BIT(18) | BIT(19),
  66        IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK       = 0xf << 20,
  67        IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K         = 8 << 20,
  68        IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K        = 9 << 20,
  69        IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K        = 10 << 20,
  70};
  71
  72/*
  73 * struct iwl_prph_scratch_version - version structure
  74 * @mac_id: SKU and revision id
  75 * @version: prph scratch information version id
  76 * @size: the size of the context information in DWs
  77 * @reserved: reserved
  78 */
  79struct iwl_prph_scratch_version {
  80        __le16 mac_id;
  81        __le16 version;
  82        __le16 size;
  83        __le16 reserved;
  84} __packed; /* PERIPH_SCRATCH_VERSION_S */
  85
  86/*
  87 * struct iwl_prph_scratch_control - control structure
  88 * @control_flags: context information flags see &enum iwl_prph_scratch_flags
  89 * @reserved: reserved
  90 */
  91struct iwl_prph_scratch_control {
  92        __le32 control_flags;
  93        __le32 reserved;
  94} __packed; /* PERIPH_SCRATCH_CONTROL_S */
  95
  96/*
  97 * struct iwl_prph_scratch_pnvm_cfg - ror config
  98 * @pnvm_base_addr: PNVM start address
  99 * @pnvm_size: PNVM size in DWs
 100 * @reserved: reserved
 101 */
 102struct iwl_prph_scratch_pnvm_cfg {
 103        __le64 pnvm_base_addr;
 104        __le32 pnvm_size;
 105        __le32 reserved;
 106} __packed; /* PERIPH_SCRATCH_PNVM_CFG_S */
 107
 108/*
 109 * struct iwl_prph_scratch_hwm_cfg - hwm config
 110 * @hwm_base_addr: hwm start address
 111 * @hwm_size: hwm size in DWs
 112 * @reserved: reserved
 113 */
 114struct iwl_prph_scratch_hwm_cfg {
 115        __le64 hwm_base_addr;
 116        __le32 hwm_size;
 117        __le32 reserved;
 118} __packed; /* PERIPH_SCRATCH_HWM_CFG_S */
 119
 120/*
 121 * struct iwl_prph_scratch_rbd_cfg - RBDs configuration
 122 * @free_rbd_addr: default queue free RB CB base address
 123 * @reserved: reserved
 124 */
 125struct iwl_prph_scratch_rbd_cfg {
 126        __le64 free_rbd_addr;
 127        __le32 reserved;
 128} __packed; /* PERIPH_SCRATCH_RBD_CFG_S */
 129
 130/*
 131 * struct iwl_prph_scratch_uefi_cfg - prph scratch reduce power table
 132 * @base_addr: reduce power table address
 133 * @size: table size in dwords
 134 */
 135struct iwl_prph_scratch_uefi_cfg {
 136        __le64 base_addr;
 137        __le32 size;
 138        __le32 reserved;
 139} __packed; /* PERIPH_SCRATCH_UEFI_CFG_S */
 140
 141/*
 142 * struct iwl_prph_scratch_ctrl_cfg - prph scratch ctrl and config
 143 * @version: version information of context info and HW
 144 * @control: control flags of FH configurations
 145 * @pnvm_cfg: ror configuration
 146 * @hwm_cfg: hwm configuration
 147 * @rbd_cfg: default RX queue configuration
 148 */
 149struct iwl_prph_scratch_ctrl_cfg {
 150        struct iwl_prph_scratch_version version;
 151        struct iwl_prph_scratch_control control;
 152        struct iwl_prph_scratch_pnvm_cfg pnvm_cfg;
 153        struct iwl_prph_scratch_hwm_cfg hwm_cfg;
 154        struct iwl_prph_scratch_rbd_cfg rbd_cfg;
 155        struct iwl_prph_scratch_uefi_cfg reduce_power_cfg;
 156} __packed; /* PERIPH_SCRATCH_CTRL_CFG_S */
 157
 158/*
 159 * struct iwl_prph_scratch - peripheral scratch mapping
 160 * @ctrl_cfg: control and configuration of prph scratch
 161 * @dram: firmware images addresses in DRAM
 162 * @reserved: reserved
 163 */
 164struct iwl_prph_scratch {
 165        struct iwl_prph_scratch_ctrl_cfg ctrl_cfg;
 166        __le32 reserved[12];
 167        struct iwl_context_info_dram dram;
 168} __packed; /* PERIPH_SCRATCH_S */
 169
 170/*
 171 * struct iwl_prph_info - peripheral information
 172 * @boot_stage_mirror: reflects the value in the Boot Stage CSR register
 173 * @ipc_status_mirror: reflects the value in the IPC Status CSR register
 174 * @sleep_notif: indicates the peripheral sleep status
 175 * @reserved: reserved
 176 */
 177struct iwl_prph_info {
 178        __le32 boot_stage_mirror;
 179        __le32 ipc_status_mirror;
 180        __le32 sleep_notif;
 181        __le32 reserved;
 182} __packed; /* PERIPH_INFO_S */
 183
 184/*
 185 * struct iwl_context_info_gen3 - device INIT configuration
 186 * @version: version of the context information
 187 * @size: size of context information in DWs
 188 * @config: context in which the peripheral would execute - a subset of
 189 *      capability csr register published by the peripheral
 190 * @prph_info_base_addr: the peripheral information structure start address
 191 * @cr_head_idx_arr_base_addr: the completion ring head index array
 192 *      start address
 193 * @tr_tail_idx_arr_base_addr: the transfer ring tail index array
 194 *      start address
 195 * @cr_tail_idx_arr_base_addr: the completion ring tail index array
 196 *      start address
 197 * @tr_head_idx_arr_base_addr: the transfer ring head index array
 198 *      start address
 199 * @cr_idx_arr_size: number of entries in the completion ring index array
 200 * @tr_idx_arr_size: number of entries in the transfer ring index array
 201 * @mtr_base_addr: the message transfer ring start address
 202 * @mcr_base_addr: the message completion ring start address
 203 * @mtr_size: number of entries which the message transfer ring can hold
 204 * @mcr_size: number of entries which the message completion ring can hold
 205 * @mtr_doorbell_vec: the doorbell vector associated with the message
 206 *      transfer ring
 207 * @mcr_doorbell_vec: the doorbell vector associated with the message
 208 *      completion ring
 209 * @mtr_msi_vec: the MSI which shall be generated by the peripheral after
 210 *      completing a transfer descriptor in the message transfer ring
 211 * @mcr_msi_vec: the MSI which shall be generated by the peripheral after
 212 *      completing a completion descriptor in the message completion ring
 213 * @mtr_opt_header_size: the size of the optional header in the transfer
 214 *      descriptor associated with the message transfer ring in DWs
 215 * @mtr_opt_footer_size: the size of the optional footer in the transfer
 216 *      descriptor associated with the message transfer ring in DWs
 217 * @mcr_opt_header_size: the size of the optional header in the completion
 218 *      descriptor associated with the message completion ring in DWs
 219 * @mcr_opt_footer_size: the size of the optional footer in the completion
 220 *      descriptor associated with the message completion ring in DWs
 221 * @msg_rings_ctrl_flags: message rings control flags
 222 * @prph_info_msi_vec: the MSI which shall be generated by the peripheral
 223 *      after updating the Peripheral Information structure
 224 * @prph_scratch_base_addr: the peripheral scratch structure start address
 225 * @prph_scratch_size: the size of the peripheral scratch structure in DWs
 226 * @reserved: reserved
 227 */
 228struct iwl_context_info_gen3 {
 229        __le16 version;
 230        __le16 size;
 231        __le32 config;
 232        __le64 prph_info_base_addr;
 233        __le64 cr_head_idx_arr_base_addr;
 234        __le64 tr_tail_idx_arr_base_addr;
 235        __le64 cr_tail_idx_arr_base_addr;
 236        __le64 tr_head_idx_arr_base_addr;
 237        __le16 cr_idx_arr_size;
 238        __le16 tr_idx_arr_size;
 239        __le64 mtr_base_addr;
 240        __le64 mcr_base_addr;
 241        __le16 mtr_size;
 242        __le16 mcr_size;
 243        __le16 mtr_doorbell_vec;
 244        __le16 mcr_doorbell_vec;
 245        __le16 mtr_msi_vec;
 246        __le16 mcr_msi_vec;
 247        u8 mtr_opt_header_size;
 248        u8 mtr_opt_footer_size;
 249        u8 mcr_opt_header_size;
 250        u8 mcr_opt_footer_size;
 251        __le16 msg_rings_ctrl_flags;
 252        __le16 prph_info_msi_vec;
 253        __le64 prph_scratch_base_addr;
 254        __le32 prph_scratch_size;
 255        __le32 reserved;
 256} __packed; /* IPC_CONTEXT_INFO_S */
 257
 258int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
 259                                 const struct fw_img *fw);
 260void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans, bool alive);
 261
 262int iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans,
 263                                          const void *data, u32 len);
 264int iwl_trans_pcie_ctx_info_gen3_set_reduce_power(struct iwl_trans *trans,
 265                                                  const void *data, u32 len);
 266
 267#endif /* __iwl_context_info_file_gen3_h__ */
 268