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 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 Intel Deutschland GmbH 11 * Copyright(c) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 33 * Copyright(c) 2018 - 2019 Intel Corporation 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_csr_h__ 64 #define __iwl_csr_h__ 65 /* 66 * CSR (control and status registers) 67 * 68 * CSR registers are mapped directly into PCI bus space, and are accessible 69 * whenever platform supplies power to device, even when device is in 70 * low power states due to driver-invoked device resets 71 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes. 72 * 73 * Use iwl_write32() and iwl_read32() family to access these registers; 74 * these provide simple PCI bus access, without waking up the MAC. 75 * Do not use iwl_write_direct32() family for these registers; 76 * no need to "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ. 77 * The MAC (uCode processor, etc.) does not need to be powered up for accessing 78 * the CSR registers. 79 * 80 * NOTE: Device does need to be awake in order to read this memory 81 * via CSR_EEPROM and CSR_OTP registers 82 */ 83 #define CSR_BASE (0x000) 84 85 #define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ 86 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ 87 #define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ 88 #define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ 89 #define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ 90 #define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ 91 #define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ 92 #define CSR_GP_CNTRL (CSR_BASE+0x024) 93 94 /* 2nd byte of CSR_INT_COALESCING, not accessible via iwl_write32()! */ 95 #define CSR_INT_PERIODIC_REG (CSR_BASE+0x005) 96 97 /* 98 * Hardware revision info 99 * Bit fields: 100 * 31-16: Reserved 101 * 15-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions 102 * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D 103 * 1-0: "Dash" (-) value, as in A-1, etc. 104 */ 105 #define CSR_HW_REV (CSR_BASE+0x028) 106 107 /* 108 * RF ID revision info 109 * Bit fields: 110 * 31:24: Reserved (set to 0x0) 111 * 23:12: Type 112 * 11:8: Step (A - 0x0, B - 0x1, etc) 113 * 7:4: Dash 114 * 3:0: Flavor 115 */ 116 #define CSR_HW_RF_ID (CSR_BASE+0x09c) 117 118 /* 119 * EEPROM and OTP (one-time-programmable) memory reads 120 * 121 * NOTE: Device must be awake, initialized via apm_ops.init(), 122 * in order to read. 123 */ 124 #define CSR_EEPROM_REG (CSR_BASE+0x02c) 125 #define CSR_EEPROM_GP (CSR_BASE+0x030) 126 #define CSR_OTP_GP_REG (CSR_BASE+0x034) 127 128 #define CSR_GIO_REG (CSR_BASE+0x03C) 129 #define CSR_GP_UCODE_REG (CSR_BASE+0x048) 130 #define CSR_GP_DRIVER_REG (CSR_BASE+0x050) 131 132 /* 133 * UCODE-DRIVER GP (general purpose) mailbox registers. 134 * SET/CLR registers set/clear bit(s) if "1" is written. 135 */ 136 #define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) 137 #define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) 138 #define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) 139 #define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) 140 141 #define CSR_MBOX_SET_REG (CSR_BASE + 0x88) 142 143 #define CSR_LED_REG (CSR_BASE+0x094) 144 #define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) 145 #define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE + 0x0A8) /* 6000 and up */ 146 #define CSR_MAC_SHADOW_REG_CTRL_RX_WAKE BIT(20) 147 #define CSR_MAC_SHADOW_REG_CTL2 (CSR_BASE + 0x0AC) 148 #define CSR_MAC_SHADOW_REG_CTL2_RX_WAKE 0xFFFF 149 150 /* GIO Chicken Bits (PCI Express bus link power management) */ 151 #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) 152 153 /* host chicken bits */ 154 #define CSR_HOST_CHICKEN (CSR_BASE + 0x204) 155 #define CSR_HOST_CHICKEN_PM_IDLE_SRC_DIS_SB_PME BIT(19) 156 157 /* Analog phase-lock-loop configuration */ 158 #define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) 159 160 /* 161 * CSR HW resources monitor registers 162 */ 163 #define CSR_MONITOR_CFG_REG (CSR_BASE+0x214) 164 #define CSR_MONITOR_STATUS_REG (CSR_BASE+0x228) 165 #define CSR_MONITOR_XTAL_RESOURCES (0x00000010) 166 167 /* 168 * CSR Hardware Revision Workaround Register. Indicates hardware rev; 169 * "step" determines CCK backoff for txpower calculation. 170 * See also CSR_HW_REV register. 171 * Bit fields: 172 * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step 173 * 1-0: "Dash" (-) value, as in C-1, etc. 174 */ 175 #define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) 176 177 #define CSR_DBG_HPET_MEM_REG (CSR_BASE+0x240) 178 #define CSR_DBG_LINK_PWR_MGMT_REG (CSR_BASE+0x250) 179 180 /* Bits for CSR_HW_IF_CONFIG_REG */ 181 #define CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH (0x00000003) 182 #define CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP (0x0000000C) 183 #define CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM (0x00000080) 184 #define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x000000C0) 185 #define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) 186 #define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) 187 #define CSR_HW_IF_CONFIG_REG_D3_DEBUG (0x00000200) 188 #define CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE (0x00000C00) 189 #define CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH (0x00003000) 190 #define CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP (0x0000C000) 191 192 #define CSR_HW_IF_CONFIG_REG_POS_MAC_DASH (0) 193 #define CSR_HW_IF_CONFIG_REG_POS_MAC_STEP (2) 194 #define CSR_HW_IF_CONFIG_REG_POS_BOARD_VER (6) 195 #define CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE (10) 196 #define CSR_HW_IF_CONFIG_REG_POS_PHY_DASH (12) 197 #define CSR_HW_IF_CONFIG_REG_POS_PHY_STEP (14) 198 199 #define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A (0x00080000) 200 #define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) 201 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY (0x00400000) /* PCI_OWN_SEM */ 202 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */ 203 #define CSR_HW_IF_CONFIG_REG_PREPARE (0x08000000) /* WAKE_ME */ 204 #define CSR_HW_IF_CONFIG_REG_ENABLE_PME (0x10000000) 205 #define CSR_HW_IF_CONFIG_REG_PERSIST_MODE (0x40000000) /* PERSISTENCE */ 206 207 #define CSR_MBOX_SET_REG_OS_ALIVE BIT(5) 208 209 #define CSR_INT_PERIODIC_DIS (0x00) /* disable periodic int*/ 210 #define CSR_INT_PERIODIC_ENA (0xFF) /* 255*32 usec ~ 8 msec*/ 211 212 /* interrupt flags in INTA, set by uCode or hardware (e.g. dma), 213 * acknowledged (reset) by host writing "1" to flagged bits. */ 214 #define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ 215 #define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ 216 #define CSR_INT_BIT_RX_PERIODIC (1 << 28) /* Rx periodic */ 217 #define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ 218 #define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ 219 #define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ 220 #define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ 221 #define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ 222 #define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses */ 223 #define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ 224 #define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ 225 226 #define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ 227 CSR_INT_BIT_HW_ERR | \ 228 CSR_INT_BIT_FH_TX | \ 229 CSR_INT_BIT_SW_ERR | \ 230 CSR_INT_BIT_RF_KILL | \ 231 CSR_INT_BIT_SW_RX | \ 232 CSR_INT_BIT_WAKEUP | \ 233 CSR_INT_BIT_ALIVE | \ 234 CSR_INT_BIT_RX_PERIODIC) 235 236 /* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ 237 #define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ 238 #define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ 239 #define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ 240 #define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ 241 #define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ 242 #define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ 243 244 #define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ 245 CSR_FH_INT_BIT_RX_CHNL1 | \ 246 CSR_FH_INT_BIT_RX_CHNL0) 247 248 #define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ 249 CSR_FH_INT_BIT_TX_CHNL0) 250 251 /* GPIO */ 252 #define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) 253 #define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) 254 #define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC (0x00000200) 255 256 /* RESET */ 257 #define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) 258 #define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) 259 #define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) 260 #define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) 261 #define CSR_RESET_LINK_PWR_MGMT_DISABLED (0x80000000) 262 263 /* 264 * GP (general purpose) CONTROL REGISTER 265 * Bit fields: 266 * 27: HW_RF_KILL_SW 267 * Indicates state of (platform's) hardware RF-Kill switch 268 * 26-24: POWER_SAVE_TYPE 269 * Indicates current power-saving mode: 270 * 000 -- No power saving 271 * 001 -- MAC power-down 272 * 010 -- PHY (radio) power-down 273 * 011 -- Error 274 * 10: XTAL ON request 275 * 9-6: SYS_CONFIG 276 * Indicates current system configuration, reflecting pins on chip 277 * as forced high/low by device circuit board. 278 * 4: GOING_TO_SLEEP 279 * Indicates MAC is entering a power-saving sleep power-down. 280 * Not a good time to access device-internal resources. 281 */ 282 #define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) 283 #define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) 284 #define CSR_GP_CNTRL_REG_FLAG_XTAL_ON (0x00000400) 285 286 #define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) 287 #define CSR_GP_CNTRL_REG_FLAG_RFKILL_WAKE_L1A_EN (0x04000000) 288 #define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) 289 290 291 /* HW REV */ 292 #define CSR_HW_REV_DASH(_val) (((_val) & 0x0000003) >> 0) 293 #define CSR_HW_REV_STEP(_val) (((_val) & 0x000000C) >> 2) 294 #define CSR_HW_REV_TYPE(_val) (((_val) & 0x000FFF0) >> 4) 295 296 /* HW RFID */ 297 #define CSR_HW_RFID_FLAVOR(_val) (((_val) & 0x000000F) >> 0) 298 #define CSR_HW_RFID_DASH(_val) (((_val) & 0x00000F0) >> 4) 299 #define CSR_HW_RFID_STEP(_val) (((_val) & 0x0000F00) >> 8) 300 #define CSR_HW_RFID_TYPE(_val) (((_val) & 0x0FFF000) >> 12) 301 302 /** 303 * hw_rev values 304 */ 305 enum { 306 SILICON_A_STEP = 0, 307 SILICON_B_STEP, 308 SILICON_C_STEP, 309 }; 310 311 312 #define CSR_HW_REV_TYPE_MSK (0x000FFF0) 313 #define CSR_HW_REV_TYPE_5300 (0x0000020) 314 #define CSR_HW_REV_TYPE_5350 (0x0000030) 315 #define CSR_HW_REV_TYPE_5100 (0x0000050) 316 #define CSR_HW_REV_TYPE_5150 (0x0000040) 317 #define CSR_HW_REV_TYPE_1000 (0x0000060) 318 #define CSR_HW_REV_TYPE_6x00 (0x0000070) 319 #define CSR_HW_REV_TYPE_6x50 (0x0000080) 320 #define CSR_HW_REV_TYPE_6150 (0x0000084) 321 #define CSR_HW_REV_TYPE_6x05 (0x00000B0) 322 #define CSR_HW_REV_TYPE_6x30 CSR_HW_REV_TYPE_6x05 323 #define CSR_HW_REV_TYPE_6x35 CSR_HW_REV_TYPE_6x05 324 #define CSR_HW_REV_TYPE_2x30 (0x00000C0) 325 #define CSR_HW_REV_TYPE_2x00 (0x0000100) 326 #define CSR_HW_REV_TYPE_105 (0x0000110) 327 #define CSR_HW_REV_TYPE_135 (0x0000120) 328 #define CSR_HW_REV_TYPE_7265D (0x0000210) 329 #define CSR_HW_REV_TYPE_NONE (0x00001F0) 330 #define CSR_HW_REV_TYPE_QNJ (0x0000360) 331 #define CSR_HW_REV_TYPE_QNJ_B0 (0x0000364) 332 #define CSR_HW_REV_TYPE_QU_B0 (0x0000334) 333 #define CSR_HW_REV_TYPE_QU_C0 (0x0000338) 334 #define CSR_HW_REV_TYPE_QUZ (0x0000354) 335 #define CSR_HW_REV_TYPE_HR_CDB (0x0000340) 336 #define CSR_HW_REV_TYPE_SO (0x0000370) 337 #define CSR_HW_REV_TYPE_TY (0x0000420) 338 339 /* RF_ID value */ 340 #define CSR_HW_RF_ID_TYPE_JF (0x00105100) 341 #define CSR_HW_RF_ID_TYPE_HR (0x0010A000) 342 #define CSR_HW_RF_ID_TYPE_HR1 (0x0010c100) 343 #define CSR_HW_RF_ID_TYPE_HRCDB (0x00109F00) 344 #define CSR_HW_RF_ID_TYPE_GF (0x0010D000) 345 #define CSR_HW_RF_ID_TYPE_GF4 (0x0010E000) 346 347 /* HW_RF CHIP ID */ 348 #define CSR_HW_RF_ID_TYPE_CHIP_ID(_val) (((_val) >> 12) & 0xFFF) 349 350 /* HW_RF CHIP STEP */ 351 #define CSR_HW_RF_STEP(_val) (((_val) >> 8) & 0xF) 352 353 /* EEPROM REG */ 354 #define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) 355 #define CSR_EEPROM_REG_BIT_CMD (0x00000002) 356 #define CSR_EEPROM_REG_MSK_ADDR (0x0000FFFC) 357 #define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) 358 359 /* EEPROM GP */ 360 #define CSR_EEPROM_GP_VALID_MSK (0x00000007) /* signature */ 361 #define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) 362 #define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP (0x00000000) 363 #define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP (0x00000001) 364 #define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0x00000002) 365 #define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0x00000004) 366 367 /* One-time-programmable memory general purpose reg */ 368 #define CSR_OTP_GP_REG_DEVICE_SELECT (0x00010000) /* 0 - EEPROM, 1 - OTP */ 369 #define CSR_OTP_GP_REG_OTP_ACCESS_MODE (0x00020000) /* 0 - absolute, 1 - relative */ 370 #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK (0x00100000) /* bit 20 */ 371 #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK (0x00200000) /* bit 21 */ 372 373 /* GP REG */ 374 #define CSR_GP_REG_POWER_SAVE_STATUS_MSK (0x03000000) /* bit 24/25 */ 375 #define CSR_GP_REG_NO_POWER_SAVE (0x00000000) 376 #define CSR_GP_REG_MAC_POWER_SAVE (0x01000000) 377 #define CSR_GP_REG_PHY_POWER_SAVE (0x02000000) 378 #define CSR_GP_REG_POWER_SAVE_ERROR (0x03000000) 379 380 381 /* CSR GIO */ 382 #define CSR_GIO_REG_VAL_L0S_ENABLED (0x00000002) 383 384 /* 385 * UCODE-DRIVER GP (general purpose) mailbox register 1 386 * Host driver and uCode write and/or read this register to communicate with 387 * each other. 388 * Bit fields: 389 * 4: UCODE_DISABLE 390 * Host sets this to request permanent halt of uCode, same as 391 * sending CARD_STATE command with "halt" bit set. 392 * 3: CT_KILL_EXIT 393 * Host sets this to request exit from CT_KILL state, i.e. host thinks 394 * device temperature is low enough to continue normal operation. 395 * 2: CMD_BLOCKED 396 * Host sets this during RF KILL power-down sequence (HW, SW, CT KILL) 397 * to release uCode to clear all Tx and command queues, enter 398 * unassociated mode, and power down. 399 * NOTE: Some devices also use HBUS_TARG_MBX_C register for this bit. 400 * 1: SW_BIT_RFKILL 401 * Host sets this when issuing CARD_STATE command to request 402 * device sleep. 403 * 0: MAC_SLEEP 404 * uCode sets this when preparing a power-saving power-down. 405 * uCode resets this when power-up is complete and SRAM is sane. 406 * NOTE: device saves internal SRAM data to host when powering down, 407 * and must restore this data after powering back up. 408 * MAC_SLEEP is the best indication that restore is complete. 409 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 410 * do not need to save/restore it. 411 */ 412 #define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) 413 #define CSR_UCODE_SW_BIT_RFKILL (0x00000002) 414 #define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) 415 #define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) 416 #define CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE (0x00000020) 417 418 /* GP Driver */ 419 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_MSK (0x00000003) 420 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_3x3_HYB (0x00000000) 421 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB (0x00000001) 422 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA (0x00000002) 423 #define CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6 (0x00000004) 424 #define CSR_GP_DRIVER_REG_BIT_6050_1x2 (0x00000008) 425 426 #define CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER (0x00000080) 427 428 /* GIO Chicken Bits (PCI Express bus link power management) */ 429 #define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) 430 #define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) 431 432 /* LED */ 433 #define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF) 434 #define CSR_LED_REG_TURN_ON (0x60) 435 #define CSR_LED_REG_TURN_OFF (0x20) 436 437 /* ANA_PLL */ 438 #define CSR50_ANA_PLL_CFG_VAL (0x00880300) 439 440 /* HPET MEM debug */ 441 #define CSR_DBG_HPET_MEM_REG_VAL (0xFFFF0000) 442 443 /* DRAM INT TABLE */ 444 #define CSR_DRAM_INT_TBL_ENABLE (1 << 31) 445 #define CSR_DRAM_INIT_TBL_WRITE_POINTER (1 << 28) 446 #define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27) 447 448 /* 449 * SHR target access (Shared block memory space) 450 * 451 * Shared internal registers can be accessed directly from PCI bus through SHR 452 * arbiter without need for the MAC HW to be powered up. This is possible due to 453 * indirect read/write via HEEP_CTRL_WRD_PCIEX_CTRL (0xEC) and 454 * HEEP_CTRL_WRD_PCIEX_DATA (0xF4) registers. 455 * 456 * Use iwl_write32()/iwl_read32() family to access these registers. The MAC HW 457 * need not be powered up so no "grab inc access" is required. 458 */ 459 460 /* 461 * Registers for accessing shared registers (e.g. SHR_APMG_GP1, 462 * SHR_APMG_XTAL_CFG). For example, to read from SHR_APMG_GP1 register (0x1DC), 463 * first, write to the control register: 464 * HEEP_CTRL_WRD_PCIEX_CTRL[15:0] = 0x1DC (offset of the SHR_APMG_GP1 register) 465 * HEEP_CTRL_WRD_PCIEX_CTRL[29:28] = 2 (read access) 466 * second, read from the data register HEEP_CTRL_WRD_PCIEX_DATA[31:0]. 467 * 468 * To write the register, first, write to the data register 469 * HEEP_CTRL_WRD_PCIEX_DATA[31:0] and then: 470 * HEEP_CTRL_WRD_PCIEX_CTRL[15:0] = 0x1DC (offset of the SHR_APMG_GP1 register) 471 * HEEP_CTRL_WRD_PCIEX_CTRL[29:28] = 3 (write access) 472 */ 473 #define HEEP_CTRL_WRD_PCIEX_CTRL_REG (CSR_BASE+0x0ec) 474 #define HEEP_CTRL_WRD_PCIEX_DATA_REG (CSR_BASE+0x0f4) 475 476 /* 477 * HBUS (Host-side Bus) 478 * 479 * HBUS registers are mapped directly into PCI bus space, but are used 480 * to indirectly access device's internal memory or registers that 481 * may be powered-down. 482 * 483 * Use iwl_write_direct32()/iwl_read_direct32() family for these registers; 484 * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ 485 * to make sure the MAC (uCode processor, etc.) is powered up for accessing 486 * internal resources. 487 * 488 * Do not use iwl_write32()/iwl_read32() family to access these registers; 489 * these provide only simple PCI bus access, without waking up the MAC. 490 */ 491 #define HBUS_BASE (0x400) 492 493 /* 494 * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM 495 * structures, error log, event log, verifying uCode load). 496 * First write to address register, then read from or write to data register 497 * to complete the job. Once the address register is set up, accesses to 498 * data registers auto-increment the address by one dword. 499 * Bit usage for address registers (read or write): 500 * 0-31: memory address within device 501 */ 502 #define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) 503 #define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) 504 #define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) 505 #define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) 506 507 /* Mailbox C, used as workaround alternative to CSR_UCODE_DRV_GP1 mailbox */ 508 #define HBUS_TARG_MBX_C (HBUS_BASE+0x030) 509 #define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) 510 511 /* 512 * Registers for accessing device's internal peripheral registers 513 * (e.g. SCD, BSM, etc.). First write to address register, 514 * then read from or write to data register to complete the job. 515 * Bit usage for address registers (read or write): 516 * 0-15: register address (offset) within device 517 * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) 518 */ 519 #define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) 520 #define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) 521 #define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) 522 #define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) 523 524 /* Used to enable DBGM */ 525 #define HBUS_TARG_TEST_REG (HBUS_BASE+0x05c) 526 527 /* 528 * Per-Tx-queue write pointer (index, really!) 529 * Indicates index to next TFD that driver will fill (1 past latest filled). 530 * Bit usage: 531 * 0-7: queue write index 532 * 11-8: queue selector 533 */ 534 #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) 535 536 /********************************************************** 537 * CSR values 538 **********************************************************/ 539 /* 540 * host interrupt timeout value 541 * used with setting interrupt coalescing timer 542 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 543 * 544 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 545 */ 546 #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 547 #define IWL_HOST_INT_TIMEOUT_DEF (0x40) 548 #define IWL_HOST_INT_TIMEOUT_MIN (0x0) 549 #define IWL_HOST_INT_OPER_MODE BIT(31) 550 551 /***************************************************************************** 552 * 7000/3000 series SHR DTS addresses * 553 *****************************************************************************/ 554 555 /* Diode Results Register Structure: */ 556 enum dtd_diode_reg { 557 DTS_DIODE_REG_DIG_VAL = 0x000000FF, /* bits [7:0] */ 558 DTS_DIODE_REG_VREF_LOW = 0x0000FF00, /* bits [15:8] */ 559 DTS_DIODE_REG_VREF_HIGH = 0x00FF0000, /* bits [23:16] */ 560 DTS_DIODE_REG_VREF_ID = 0x03000000, /* bits [25:24] */ 561 DTS_DIODE_REG_PASS_ONCE = 0x80000000, /* bits [31:31] */ 562 DTS_DIODE_REG_FLAGS_MSK = 0xFF000000, /* bits [31:24] */ 563 /* Those are the masks INSIDE the flags bit-field: */ 564 DTS_DIODE_REG_FLAGS_VREFS_ID_POS = 0, 565 DTS_DIODE_REG_FLAGS_VREFS_ID = 0x00000003, /* bits [1:0] */ 566 DTS_DIODE_REG_FLAGS_PASS_ONCE_POS = 7, 567 DTS_DIODE_REG_FLAGS_PASS_ONCE = 0x00000080, /* bits [7:7] */ 568 }; 569 570 /***************************************************************************** 571 * MSIX related registers * 572 *****************************************************************************/ 573 574 #define CSR_MSIX_BASE (0x2000) 575 #define CSR_MSIX_FH_INT_CAUSES_AD (CSR_MSIX_BASE + 0x800) 576 #define CSR_MSIX_FH_INT_MASK_AD (CSR_MSIX_BASE + 0x804) 577 #define CSR_MSIX_HW_INT_CAUSES_AD (CSR_MSIX_BASE + 0x808) 578 #define CSR_MSIX_HW_INT_MASK_AD (CSR_MSIX_BASE + 0x80C) 579 #define CSR_MSIX_AUTOMASK_ST_AD (CSR_MSIX_BASE + 0x810) 580 #define CSR_MSIX_RX_IVAR_AD_REG (CSR_MSIX_BASE + 0x880) 581 #define CSR_MSIX_IVAR_AD_REG (CSR_MSIX_BASE + 0x890) 582 #define CSR_MSIX_PENDING_PBA_AD (CSR_MSIX_BASE + 0x1000) 583 #define CSR_MSIX_RX_IVAR(cause) (CSR_MSIX_RX_IVAR_AD_REG + (cause)) 584 #define CSR_MSIX_IVAR(cause) (CSR_MSIX_IVAR_AD_REG + (cause)) 585 586 #define MSIX_FH_INT_CAUSES_Q(q) (q) 587 588 /* 589 * Causes for the FH register interrupts 590 */ 591 enum msix_fh_int_causes { 592 MSIX_FH_INT_CAUSES_Q0 = BIT(0), 593 MSIX_FH_INT_CAUSES_Q1 = BIT(1), 594 MSIX_FH_INT_CAUSES_D2S_CH0_NUM = BIT(16), 595 MSIX_FH_INT_CAUSES_D2S_CH1_NUM = BIT(17), 596 MSIX_FH_INT_CAUSES_S2D = BIT(19), 597 MSIX_FH_INT_CAUSES_FH_ERR = BIT(21), 598 }; 599 600 /* 601 * Causes for the HW register interrupts 602 */ 603 enum msix_hw_int_causes { 604 MSIX_HW_INT_CAUSES_REG_ALIVE = BIT(0), 605 MSIX_HW_INT_CAUSES_REG_WAKEUP = BIT(1), 606 MSIX_HW_INT_CAUSES_REG_IML = BIT(2), 607 MSIX_HW_INT_CAUSES_REG_CT_KILL = BIT(6), 608 MSIX_HW_INT_CAUSES_REG_RF_KILL = BIT(7), 609 MSIX_HW_INT_CAUSES_REG_PERIODIC = BIT(8), 610 MSIX_HW_INT_CAUSES_REG_SW_ERR = BIT(25), 611 MSIX_HW_INT_CAUSES_REG_SCD = BIT(26), 612 MSIX_HW_INT_CAUSES_REG_FH_TX = BIT(27), 613 MSIX_HW_INT_CAUSES_REG_HW_ERR = BIT(29), 614 MSIX_HW_INT_CAUSES_REG_HAP = BIT(30), 615 }; 616 617 #define MSIX_MIN_INTERRUPT_VECTORS 2 618 #define MSIX_AUTO_CLEAR_CAUSE 0 619 #define MSIX_NON_AUTO_CLEAR_CAUSE BIT(7) 620 621 /***************************************************************************** 622 * HW address related registers * 623 *****************************************************************************/ 624 625 #define CSR_ADDR_BASE (0x380) 626 #define CSR_MAC_ADDR0_OTP (CSR_ADDR_BASE) 627 #define CSR_MAC_ADDR1_OTP (CSR_ADDR_BASE + 4) 628 #define CSR_MAC_ADDR0_STRAP (CSR_ADDR_BASE + 8) 629 #define CSR_MAC_ADDR1_STRAP (CSR_ADDR_BASE + 0xC) 630 631 #endif /* !__iwl_csr_h__ */ 632