1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2005-2014, 2018-2021 Intel Corporation 4 * Copyright (C) 2013-2014 Intel Mobile Communications GmbH 5 * Copyright (C) 2016 Intel Deutschland GmbH 6 */ 7 #ifndef __iwl_csr_h__ 8 #define __iwl_csr_h__ 9 /* 10 * CSR (control and status registers) 11 * 12 * CSR registers are mapped directly into PCI bus space, and are accessible 13 * whenever platform supplies power to device, even when device is in 14 * low power states due to driver-invoked device resets 15 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes. 16 * 17 * Use iwl_write32() and iwl_read32() family to access these registers; 18 * these provide simple PCI bus access, without waking up the MAC. 19 * Do not use iwl_write_direct32() family for these registers; 20 * no need to "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ. 21 * The MAC (uCode processor, etc.) does not need to be powered up for accessing 22 * the CSR registers. 23 * 24 * NOTE: Device does need to be awake in order to read this memory 25 * via CSR_EEPROM and CSR_OTP registers 26 */ 27 #define CSR_BASE (0x000) 28 29 #define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ 30 #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ 31 #define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ 32 #define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ 33 #define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ 34 #define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ 35 #define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ 36 #define CSR_GP_CNTRL (CSR_BASE+0x024) 37 #define CSR_FUNC_SCRATCH (CSR_BASE+0x02c) /* Scratch register - used for FW dbg */ 38 39 /* 2nd byte of CSR_INT_COALESCING, not accessible via iwl_write32()! */ 40 #define CSR_INT_PERIODIC_REG (CSR_BASE+0x005) 41 42 /* 43 * Hardware revision info 44 * Bit fields: 45 * 31-16: Reserved 46 * 15-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions 47 * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D 48 * 1-0: "Dash" (-) value, as in A-1, etc. 49 */ 50 #define CSR_HW_REV (CSR_BASE+0x028) 51 52 /* 53 * RF ID revision info 54 * Bit fields: 55 * 31:24: Reserved (set to 0x0) 56 * 23:12: Type 57 * 11:8: Step (A - 0x0, B - 0x1, etc) 58 * 7:4: Dash 59 * 3:0: Flavor 60 */ 61 #define CSR_HW_RF_ID (CSR_BASE+0x09c) 62 63 /* 64 * EEPROM and OTP (one-time-programmable) memory reads 65 * 66 * NOTE: Device must be awake, initialized via apm_ops.init(), 67 * in order to read. 68 */ 69 #define CSR_EEPROM_REG (CSR_BASE+0x02c) 70 #define CSR_EEPROM_GP (CSR_BASE+0x030) 71 #define CSR_OTP_GP_REG (CSR_BASE+0x034) 72 73 #define CSR_GIO_REG (CSR_BASE+0x03C) 74 #define CSR_GP_UCODE_REG (CSR_BASE+0x048) 75 #define CSR_GP_DRIVER_REG (CSR_BASE+0x050) 76 77 /* 78 * UCODE-DRIVER GP (general purpose) mailbox registers. 79 * SET/CLR registers set/clear bit(s) if "1" is written. 80 */ 81 #define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) 82 #define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) 83 #define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) 84 #define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) 85 86 #define CSR_MBOX_SET_REG (CSR_BASE + 0x88) 87 88 #define CSR_LED_REG (CSR_BASE+0x094) 89 #define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) 90 #define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE + 0x0A8) /* 6000 and up */ 91 #define CSR_MAC_SHADOW_REG_CTRL_RX_WAKE BIT(20) 92 #define CSR_MAC_SHADOW_REG_CTL2 (CSR_BASE + 0x0AC) 93 #define CSR_MAC_SHADOW_REG_CTL2_RX_WAKE 0xFFFF 94 95 /* LTR control (since IWL_DEVICE_FAMILY_22000) */ 96 #define CSR_LTR_LONG_VAL_AD (CSR_BASE + 0x0D4) 97 #define CSR_LTR_LONG_VAL_AD_NO_SNOOP_REQ 0x80000000 98 #define CSR_LTR_LONG_VAL_AD_NO_SNOOP_SCALE 0x1c000000 99 #define CSR_LTR_LONG_VAL_AD_NO_SNOOP_VAL 0x03ff0000 100 #define CSR_LTR_LONG_VAL_AD_SNOOP_REQ 0x00008000 101 #define CSR_LTR_LONG_VAL_AD_SNOOP_SCALE 0x00001c00 102 #define CSR_LTR_LONG_VAL_AD_SNOOP_VAL 0x000003ff 103 #define CSR_LTR_LONG_VAL_AD_SCALE_USEC 2 104 105 /* GIO Chicken Bits (PCI Express bus link power management) */ 106 #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) 107 108 #define CSR_IPC_SLEEP_CONTROL (CSR_BASE + 0x114) 109 #define CSR_IPC_SLEEP_CONTROL_SUSPEND 0x3 110 #define CSR_IPC_SLEEP_CONTROL_RESUME 0 111 112 /* Doorbell - since Bz 113 * connected to UREG_DOORBELL_TO_ISR6 (lower 16 bits only) 114 */ 115 #define CSR_DOORBELL_VECTOR (CSR_BASE + 0x130) 116 117 /* host chicken bits */ 118 #define CSR_HOST_CHICKEN (CSR_BASE + 0x204) 119 #define CSR_HOST_CHICKEN_PM_IDLE_SRC_DIS_SB_PME BIT(19) 120 121 /* Analog phase-lock-loop configuration */ 122 #define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) 123 124 /* 125 * CSR HW resources monitor registers 126 */ 127 #define CSR_MONITOR_CFG_REG (CSR_BASE+0x214) 128 #define CSR_MONITOR_STATUS_REG (CSR_BASE+0x228) 129 #define CSR_MONITOR_XTAL_RESOURCES (0x00000010) 130 131 /* 132 * CSR Hardware Revision Workaround Register. Indicates hardware rev; 133 * "step" determines CCK backoff for txpower calculation. 134 * See also CSR_HW_REV register. 135 * Bit fields: 136 * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step 137 * 1-0: "Dash" (-) value, as in C-1, etc. 138 */ 139 #define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) 140 141 #define CSR_DBG_HPET_MEM_REG (CSR_BASE+0x240) 142 #define CSR_DBG_LINK_PWR_MGMT_REG (CSR_BASE+0x250) 143 144 /* 145 * Scratch register initial configuration - this is set on init, and read 146 * during a error FW error. 147 */ 148 #define CSR_FUNC_SCRATCH_INIT_VALUE (0x01010101) 149 150 /* Bits for CSR_HW_IF_CONFIG_REG */ 151 #define CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH (0x0000000F) 152 #define CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM (0x00000080) 153 #define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x000000C0) 154 #define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) 155 #define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) 156 #define CSR_HW_IF_CONFIG_REG_D3_DEBUG (0x00000200) 157 #define CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE (0x00000C00) 158 #define CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH (0x00003000) 159 #define CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP (0x0000C000) 160 161 #define CSR_HW_IF_CONFIG_REG_POS_MAC_DASH (0) 162 #define CSR_HW_IF_CONFIG_REG_POS_MAC_STEP (2) 163 #define CSR_HW_IF_CONFIG_REG_POS_BOARD_VER (6) 164 #define CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE (10) 165 #define CSR_HW_IF_CONFIG_REG_POS_PHY_DASH (12) 166 #define CSR_HW_IF_CONFIG_REG_POS_PHY_STEP (14) 167 168 #define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A (0x00080000) 169 #define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) 170 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY (0x00400000) /* PCI_OWN_SEM */ 171 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */ 172 #define CSR_HW_IF_CONFIG_REG_PREPARE (0x08000000) /* WAKE_ME */ 173 #define CSR_HW_IF_CONFIG_REG_ENABLE_PME (0x10000000) 174 #define CSR_HW_IF_CONFIG_REG_PERSIST_MODE (0x40000000) /* PERSISTENCE */ 175 176 #define CSR_MBOX_SET_REG_OS_ALIVE BIT(5) 177 178 #define CSR_INT_PERIODIC_DIS (0x00) /* disable periodic int*/ 179 #define CSR_INT_PERIODIC_ENA (0xFF) /* 255*32 usec ~ 8 msec*/ 180 181 /* interrupt flags in INTA, set by uCode or hardware (e.g. dma), 182 * acknowledged (reset) by host writing "1" to flagged bits. */ 183 #define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ 184 #define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ 185 #define CSR_INT_BIT_RX_PERIODIC (1 << 28) /* Rx periodic */ 186 #define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ 187 #define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ 188 #define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ 189 #define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ 190 #define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ 191 #define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses */ 192 #define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ 193 #define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ 194 195 #define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ 196 CSR_INT_BIT_HW_ERR | \ 197 CSR_INT_BIT_FH_TX | \ 198 CSR_INT_BIT_SW_ERR | \ 199 CSR_INT_BIT_RF_KILL | \ 200 CSR_INT_BIT_SW_RX | \ 201 CSR_INT_BIT_WAKEUP | \ 202 CSR_INT_BIT_ALIVE | \ 203 CSR_INT_BIT_RX_PERIODIC) 204 205 /* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ 206 #define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ 207 #define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ 208 #define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ 209 #define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ 210 #define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ 211 #define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ 212 213 #define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ 214 CSR_FH_INT_BIT_RX_CHNL1 | \ 215 CSR_FH_INT_BIT_RX_CHNL0) 216 217 #define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ 218 CSR_FH_INT_BIT_TX_CHNL0) 219 220 /* GPIO */ 221 #define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) 222 #define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) 223 #define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC (0x00000200) 224 225 /* RESET */ 226 #define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) 227 #define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) 228 #define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) 229 #define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) 230 #define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) 231 #define CSR_RESET_LINK_PWR_MGMT_DISABLED (0x80000000) 232 233 /* 234 * GP (general purpose) CONTROL REGISTER 235 * Bit fields: 236 * 27: HW_RF_KILL_SW 237 * Indicates state of (platform's) hardware RF-Kill switch 238 * 26-24: POWER_SAVE_TYPE 239 * Indicates current power-saving mode: 240 * 000 -- No power saving 241 * 001 -- MAC power-down 242 * 010 -- PHY (radio) power-down 243 * 011 -- Error 244 * 10: XTAL ON request 245 * 9-6: SYS_CONFIG 246 * Indicates current system configuration, reflecting pins on chip 247 * as forced high/low by device circuit board. 248 * 4: GOING_TO_SLEEP 249 * Indicates MAC is entering a power-saving sleep power-down. 250 * Not a good time to access device-internal resources. 251 * 3: MAC_ACCESS_REQ 252 * Host sets this to request and maintain MAC wakeup, to allow host 253 * access to device-internal resources. Host must wait for 254 * MAC_CLOCK_READY (and !GOING_TO_SLEEP) before accessing non-CSR 255 * device registers. 256 * 2: INIT_DONE 257 * Host sets this to put device into fully operational D0 power mode. 258 * Host resets this after SW_RESET to put device into low power mode. 259 * 0: MAC_CLOCK_READY 260 * Indicates MAC (ucode processor, etc.) is powered up and can run. 261 * Internal resources are accessible. 262 * NOTE: This does not indicate that the processor is actually running. 263 * NOTE: This does not indicate that device has completed 264 * init or post-power-down restore of internal SRAM memory. 265 * Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that 266 * SRAM is restored and uCode is in normal operation mode. 267 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 268 * do not need to save/restore it. 269 * NOTE: After device reset, this bit remains "0" until host sets 270 * INIT_DONE 271 */ 272 #define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) 273 #define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) 274 #define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) 275 #define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) 276 #define CSR_GP_CNTRL_REG_FLAG_XTAL_ON (0x00000400) 277 278 #define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) 279 280 #define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) 281 #define CSR_GP_CNTRL_REG_FLAG_RFKILL_WAKE_L1A_EN (0x04000000) 282 #define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) 283 284 /* From Bz we use these instead during init/reset flow */ 285 #define CSR_GP_CNTRL_REG_FLAG_MAC_INIT BIT(6) 286 #define CSR_GP_CNTRL_REG_FLAG_ROM_START BIT(7) 287 #define CSR_GP_CNTRL_REG_FLAG_MAC_STATUS BIT(20) 288 #define CSR_GP_CNTRL_REG_FLAG_BZ_MAC_ACCESS_REQ BIT(21) 289 #define CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_STATUS BIT(28) 290 #define CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_REQ BIT(29) 291 #define CSR_GP_CNTRL_REG_FLAG_SW_RESET BIT(31) 292 293 /* HW REV */ 294 #define CSR_HW_REV_STEP_DASH(_val) ((_val) & CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH) 295 #define CSR_HW_REV_TYPE(_val) (((_val) & 0x000FFF0) >> 4) 296 297 /* HW RFID */ 298 #define CSR_HW_RFID_FLAVOR(_val) (((_val) & 0x000000F) >> 0) 299 #define CSR_HW_RFID_DASH(_val) (((_val) & 0x00000F0) >> 4) 300 #define CSR_HW_RFID_STEP(_val) (((_val) & 0x0000F00) >> 8) 301 #define CSR_HW_RFID_TYPE(_val) (((_val) & 0x0FFF000) >> 12) 302 #define CSR_HW_RFID_IS_CDB(_val) (((_val) & 0x10000000) >> 28) 303 #define CSR_HW_RFID_IS_JACKET(_val) (((_val) & 0x20000000) >> 29) 304 305 /** 306 * hw_rev values 307 */ 308 enum { 309 SILICON_A_STEP = 0, 310 SILICON_B_STEP, 311 SILICON_C_STEP, 312 SILICON_Z_STEP = 0xf, 313 }; 314 315 316 #define CSR_HW_REV_TYPE_MSK (0x000FFF0) 317 #define CSR_HW_REV_TYPE_5300 (0x0000020) 318 #define CSR_HW_REV_TYPE_5350 (0x0000030) 319 #define CSR_HW_REV_TYPE_5100 (0x0000050) 320 #define CSR_HW_REV_TYPE_5150 (0x0000040) 321 #define CSR_HW_REV_TYPE_1000 (0x0000060) 322 #define CSR_HW_REV_TYPE_6x00 (0x0000070) 323 #define CSR_HW_REV_TYPE_6x50 (0x0000080) 324 #define CSR_HW_REV_TYPE_6150 (0x0000084) 325 #define CSR_HW_REV_TYPE_6x05 (0x00000B0) 326 #define CSR_HW_REV_TYPE_6x30 CSR_HW_REV_TYPE_6x05 327 #define CSR_HW_REV_TYPE_6x35 CSR_HW_REV_TYPE_6x05 328 #define CSR_HW_REV_TYPE_2x30 (0x00000C0) 329 #define CSR_HW_REV_TYPE_2x00 (0x0000100) 330 #define CSR_HW_REV_TYPE_105 (0x0000110) 331 #define CSR_HW_REV_TYPE_135 (0x0000120) 332 #define CSR_HW_REV_TYPE_7265D (0x0000210) 333 #define CSR_HW_REV_TYPE_NONE (0x00001F0) 334 #define CSR_HW_REV_TYPE_QNJ (0x0000360) 335 #define CSR_HW_REV_TYPE_QNJ_B0 (0x0000361) 336 #define CSR_HW_REV_TYPE_QU_B0 (0x0000331) 337 #define CSR_HW_REV_TYPE_QU_C0 (0x0000332) 338 #define CSR_HW_REV_TYPE_QUZ (0x0000351) 339 #define CSR_HW_REV_TYPE_HR_CDB (0x0000340) 340 #define CSR_HW_REV_TYPE_SO (0x0000370) 341 #define CSR_HW_REV_TYPE_TY (0x0000420) 342 343 /* RF_ID value */ 344 #define CSR_HW_RF_ID_TYPE_JF (0x00105100) 345 #define CSR_HW_RF_ID_TYPE_HR (0x0010A000) 346 #define CSR_HW_RF_ID_TYPE_HR1 (0x0010c100) 347 #define CSR_HW_RF_ID_TYPE_HRCDB (0x00109F00) 348 #define CSR_HW_RF_ID_TYPE_GF (0x0010D000) 349 #define CSR_HW_RF_ID_TYPE_GF4 (0x0010E000) 350 351 /* HW_RF CHIP STEP */ 352 #define CSR_HW_RF_STEP(_val) (((_val) >> 8) & 0xF) 353 354 /* EEPROM REG */ 355 #define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) 356 #define CSR_EEPROM_REG_BIT_CMD (0x00000002) 357 #define CSR_EEPROM_REG_MSK_ADDR (0x0000FFFC) 358 #define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) 359 360 /* EEPROM GP */ 361 #define CSR_EEPROM_GP_VALID_MSK (0x00000007) /* signature */ 362 #define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) 363 #define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP (0x00000000) 364 #define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP (0x00000001) 365 #define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0x00000002) 366 #define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0x00000004) 367 368 /* One-time-programmable memory general purpose reg */ 369 #define CSR_OTP_GP_REG_DEVICE_SELECT (0x00010000) /* 0 - EEPROM, 1 - OTP */ 370 #define CSR_OTP_GP_REG_OTP_ACCESS_MODE (0x00020000) /* 0 - absolute, 1 - relative */ 371 #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK (0x00100000) /* bit 20 */ 372 #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK (0x00200000) /* bit 21 */ 373 374 /* GP REG */ 375 #define CSR_GP_REG_POWER_SAVE_STATUS_MSK (0x03000000) /* bit 24/25 */ 376 #define CSR_GP_REG_NO_POWER_SAVE (0x00000000) 377 #define CSR_GP_REG_MAC_POWER_SAVE (0x01000000) 378 #define CSR_GP_REG_PHY_POWER_SAVE (0x02000000) 379 #define CSR_GP_REG_POWER_SAVE_ERROR (0x03000000) 380 381 382 /* CSR GIO */ 383 #define CSR_GIO_REG_VAL_L0S_DISABLED (0x00000002) 384 385 /* 386 * UCODE-DRIVER GP (general purpose) mailbox register 1 387 * Host driver and uCode write and/or read this register to communicate with 388 * each other. 389 * Bit fields: 390 * 4: UCODE_DISABLE 391 * Host sets this to request permanent halt of uCode, same as 392 * sending CARD_STATE command with "halt" bit set. 393 * 3: CT_KILL_EXIT 394 * Host sets this to request exit from CT_KILL state, i.e. host thinks 395 * device temperature is low enough to continue normal operation. 396 * 2: CMD_BLOCKED 397 * Host sets this during RF KILL power-down sequence (HW, SW, CT KILL) 398 * to release uCode to clear all Tx and command queues, enter 399 * unassociated mode, and power down. 400 * NOTE: Some devices also use HBUS_TARG_MBX_C register for this bit. 401 * 1: SW_BIT_RFKILL 402 * Host sets this when issuing CARD_STATE command to request 403 * device sleep. 404 * 0: MAC_SLEEP 405 * uCode sets this when preparing a power-saving power-down. 406 * uCode resets this when power-up is complete and SRAM is sane. 407 * NOTE: device saves internal SRAM data to host when powering down, 408 * and must restore this data after powering back up. 409 * MAC_SLEEP is the best indication that restore is complete. 410 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 411 * do not need to save/restore it. 412 */ 413 #define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) 414 #define CSR_UCODE_SW_BIT_RFKILL (0x00000002) 415 #define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) 416 #define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) 417 #define CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE (0x00000020) 418 419 /* GP Driver */ 420 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_MSK (0x00000003) 421 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_3x3_HYB (0x00000000) 422 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB (0x00000001) 423 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA (0x00000002) 424 #define CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6 (0x00000004) 425 #define CSR_GP_DRIVER_REG_BIT_6050_1x2 (0x00000008) 426 427 #define CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER (0x00000080) 428 429 /* GIO Chicken Bits (PCI Express bus link power management) */ 430 #define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) 431 #define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) 432 433 /* LED */ 434 #define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF) 435 #define CSR_LED_REG_TURN_ON (0x60) 436 #define CSR_LED_REG_TURN_OFF (0x20) 437 438 /* ANA_PLL */ 439 #define CSR50_ANA_PLL_CFG_VAL (0x00880300) 440 441 /* HPET MEM debug */ 442 #define CSR_DBG_HPET_MEM_REG_VAL (0xFFFF0000) 443 444 /* DRAM INT TABLE */ 445 #define CSR_DRAM_INT_TBL_ENABLE (1 << 31) 446 #define CSR_DRAM_INIT_TBL_WRITE_POINTER (1 << 28) 447 #define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27) 448 449 /* 450 * SHR target access (Shared block memory space) 451 * 452 * Shared internal registers can be accessed directly from PCI bus through SHR 453 * arbiter without need for the MAC HW to be powered up. This is possible due to 454 * indirect read/write via HEEP_CTRL_WRD_PCIEX_CTRL (0xEC) and 455 * HEEP_CTRL_WRD_PCIEX_DATA (0xF4) registers. 456 * 457 * Use iwl_write32()/iwl_read32() family to access these registers. The MAC HW 458 * need not be powered up so no "grab inc access" is required. 459 */ 460 461 /* 462 * Registers for accessing shared registers (e.g. SHR_APMG_GP1, 463 * SHR_APMG_XTAL_CFG). For example, to read from SHR_APMG_GP1 register (0x1DC), 464 * first, write to the control register: 465 * HEEP_CTRL_WRD_PCIEX_CTRL[15:0] = 0x1DC (offset of the SHR_APMG_GP1 register) 466 * HEEP_CTRL_WRD_PCIEX_CTRL[29:28] = 2 (read access) 467 * second, read from the data register HEEP_CTRL_WRD_PCIEX_DATA[31:0]. 468 * 469 * To write the register, first, write to the data register 470 * HEEP_CTRL_WRD_PCIEX_DATA[31:0] and then: 471 * HEEP_CTRL_WRD_PCIEX_CTRL[15:0] = 0x1DC (offset of the SHR_APMG_GP1 register) 472 * HEEP_CTRL_WRD_PCIEX_CTRL[29:28] = 3 (write access) 473 */ 474 #define HEEP_CTRL_WRD_PCIEX_CTRL_REG (CSR_BASE+0x0ec) 475 #define HEEP_CTRL_WRD_PCIEX_DATA_REG (CSR_BASE+0x0f4) 476 477 /* 478 * HBUS (Host-side Bus) 479 * 480 * HBUS registers are mapped directly into PCI bus space, but are used 481 * to indirectly access device's internal memory or registers that 482 * may be powered-down. 483 * 484 * Use iwl_write_direct32()/iwl_read_direct32() family for these registers; 485 * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ 486 * to make sure the MAC (uCode processor, etc.) is powered up for accessing 487 * internal resources. 488 * 489 * Do not use iwl_write32()/iwl_read32() family to access these registers; 490 * these provide only simple PCI bus access, without waking up the MAC. 491 */ 492 #define HBUS_BASE (0x400) 493 494 /* 495 * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM 496 * structures, error log, event log, verifying uCode load). 497 * First write to address register, then read from or write to data register 498 * to complete the job. Once the address register is set up, accesses to 499 * data registers auto-increment the address by one dword. 500 * Bit usage for address registers (read or write): 501 * 0-31: memory address within device 502 */ 503 #define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) 504 #define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) 505 #define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) 506 #define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) 507 508 /* Mailbox C, used as workaround alternative to CSR_UCODE_DRV_GP1 mailbox */ 509 #define HBUS_TARG_MBX_C (HBUS_BASE+0x030) 510 #define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) 511 512 /* 513 * Registers for accessing device's internal peripheral registers 514 * (e.g. SCD, BSM, etc.). First write to address register, 515 * then read from or write to data register to complete the job. 516 * Bit usage for address registers (read or write): 517 * 0-15: register address (offset) within device 518 * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) 519 */ 520 #define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) 521 #define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) 522 #define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) 523 #define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) 524 525 /* Used to enable DBGM */ 526 #define HBUS_TARG_TEST_REG (HBUS_BASE+0x05c) 527 528 /* 529 * Per-Tx-queue write pointer (index, really!) 530 * Indicates index to next TFD that driver will fill (1 past latest filled). 531 * Bit usage: 532 * 0-7: queue write index 533 * 11-8: queue selector 534 */ 535 #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) 536 /* This register is common for Tx and Rx, Rx queues start from 512 */ 537 #define HBUS_TARG_WRPTR_Q_SHIFT (16) 538 #define HBUS_TARG_WRPTR_RX_Q(q) (((q) + 512) << HBUS_TARG_WRPTR_Q_SHIFT) 539 540 /********************************************************** 541 * CSR values 542 **********************************************************/ 543 /* 544 * host interrupt timeout value 545 * used with setting interrupt coalescing timer 546 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 547 * 548 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 549 */ 550 #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 551 #define IWL_HOST_INT_TIMEOUT_DEF (0x40) 552 #define IWL_HOST_INT_TIMEOUT_MIN (0x0) 553 #define IWL_HOST_INT_OPER_MODE BIT(31) 554 555 /***************************************************************************** 556 * 7000/3000 series SHR DTS addresses * 557 *****************************************************************************/ 558 559 /* Diode Results Register Structure: */ 560 enum dtd_diode_reg { 561 DTS_DIODE_REG_DIG_VAL = 0x000000FF, /* bits [7:0] */ 562 DTS_DIODE_REG_VREF_LOW = 0x0000FF00, /* bits [15:8] */ 563 DTS_DIODE_REG_VREF_HIGH = 0x00FF0000, /* bits [23:16] */ 564 DTS_DIODE_REG_VREF_ID = 0x03000000, /* bits [25:24] */ 565 DTS_DIODE_REG_PASS_ONCE = 0x80000000, /* bits [31:31] */ 566 DTS_DIODE_REG_FLAGS_MSK = 0xFF000000, /* bits [31:24] */ 567 /* Those are the masks INSIDE the flags bit-field: */ 568 DTS_DIODE_REG_FLAGS_VREFS_ID_POS = 0, 569 DTS_DIODE_REG_FLAGS_VREFS_ID = 0x00000003, /* bits [1:0] */ 570 DTS_DIODE_REG_FLAGS_PASS_ONCE_POS = 7, 571 DTS_DIODE_REG_FLAGS_PASS_ONCE = 0x00000080, /* bits [7:7] */ 572 }; 573 574 /***************************************************************************** 575 * MSIX related registers * 576 *****************************************************************************/ 577 578 #define CSR_MSIX_BASE (0x2000) 579 #define CSR_MSIX_FH_INT_CAUSES_AD (CSR_MSIX_BASE + 0x800) 580 #define CSR_MSIX_FH_INT_MASK_AD (CSR_MSIX_BASE + 0x804) 581 #define CSR_MSIX_HW_INT_CAUSES_AD (CSR_MSIX_BASE + 0x808) 582 #define CSR_MSIX_HW_INT_MASK_AD (CSR_MSIX_BASE + 0x80C) 583 #define CSR_MSIX_AUTOMASK_ST_AD (CSR_MSIX_BASE + 0x810) 584 #define CSR_MSIX_RX_IVAR_AD_REG (CSR_MSIX_BASE + 0x880) 585 #define CSR_MSIX_IVAR_AD_REG (CSR_MSIX_BASE + 0x890) 586 #define CSR_MSIX_PENDING_PBA_AD (CSR_MSIX_BASE + 0x1000) 587 #define CSR_MSIX_RX_IVAR(cause) (CSR_MSIX_RX_IVAR_AD_REG + (cause)) 588 #define CSR_MSIX_IVAR(cause) (CSR_MSIX_IVAR_AD_REG + (cause)) 589 590 #define MSIX_FH_INT_CAUSES_Q(q) (q) 591 592 /* 593 * Causes for the FH register interrupts 594 */ 595 enum msix_fh_int_causes { 596 MSIX_FH_INT_CAUSES_Q0 = BIT(0), 597 MSIX_FH_INT_CAUSES_Q1 = BIT(1), 598 MSIX_FH_INT_CAUSES_D2S_CH0_NUM = BIT(16), 599 MSIX_FH_INT_CAUSES_D2S_CH1_NUM = BIT(17), 600 MSIX_FH_INT_CAUSES_S2D = BIT(19), 601 MSIX_FH_INT_CAUSES_FH_ERR = BIT(21), 602 }; 603 604 /* The low 16 bits are for rx data queue indication */ 605 #define MSIX_FH_INT_CAUSES_DATA_QUEUE 0xffff 606 607 /* 608 * Causes for the HW register interrupts 609 */ 610 enum msix_hw_int_causes { 611 MSIX_HW_INT_CAUSES_REG_ALIVE = BIT(0), 612 MSIX_HW_INT_CAUSES_REG_WAKEUP = BIT(1), 613 MSIX_HW_INT_CAUSES_REG_IML = BIT(1), 614 MSIX_HW_INT_CAUSES_REG_RESET_DONE = BIT(2), 615 MSIX_HW_INT_CAUSES_REG_SW_ERR_BZ = BIT(5), 616 MSIX_HW_INT_CAUSES_REG_CT_KILL = BIT(6), 617 MSIX_HW_INT_CAUSES_REG_RF_KILL = BIT(7), 618 MSIX_HW_INT_CAUSES_REG_PERIODIC = BIT(8), 619 MSIX_HW_INT_CAUSES_REG_SW_ERR = BIT(25), 620 MSIX_HW_INT_CAUSES_REG_SCD = BIT(26), 621 MSIX_HW_INT_CAUSES_REG_FH_TX = BIT(27), 622 MSIX_HW_INT_CAUSES_REG_HW_ERR = BIT(29), 623 MSIX_HW_INT_CAUSES_REG_HAP = BIT(30), 624 }; 625 626 #define MSIX_MIN_INTERRUPT_VECTORS 2 627 #define MSIX_AUTO_CLEAR_CAUSE 0 628 #define MSIX_NON_AUTO_CLEAR_CAUSE BIT(7) 629 630 /***************************************************************************** 631 * HW address related registers * 632 *****************************************************************************/ 633 634 #define CSR_ADDR_BASE(trans) ((trans)->cfg->mac_addr_from_csr) 635 #define CSR_MAC_ADDR0_OTP(trans) (CSR_ADDR_BASE(trans) + 0x00) 636 #define CSR_MAC_ADDR1_OTP(trans) (CSR_ADDR_BASE(trans) + 0x04) 637 #define CSR_MAC_ADDR0_STRAP(trans) (CSR_ADDR_BASE(trans) + 0x08) 638 #define CSR_MAC_ADDR1_STRAP(trans) (CSR_ADDR_BASE(trans) + 0x0c) 639 640 #endif /* !__iwl_csr_h__ */ 641