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 - 2011 Intel Corporation. All rights reserved. 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 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 22 * USA 23 * 24 * The full GNU General Public License is included in this distribution 25 * in the file called LICENSE.GPL. 26 * 27 * Contact Information: 28 * Intel Linux Wireless <ilw@linux.intel.com> 29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30 * 31 * BSD LICENSE 32 * 33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. 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 * 31-8: Reserved 101 * 7-4: 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 * NOTE: Revision step affects calculation of CCK txpower for 4965. 106 * NOTE: See also CSR_HW_REV_WA_REG (work-around for bug in 4965). 107 */ 108#define CSR_HW_REV (CSR_BASE+0x028) 109 110/* 111 * EEPROM and OTP (one-time-programmable) memory reads 112 * 113 * NOTE: Device must be awake, initialized via apm_ops.init(), 114 * in order to read. 115 */ 116#define CSR_EEPROM_REG (CSR_BASE+0x02c) 117#define CSR_EEPROM_GP (CSR_BASE+0x030) 118#define CSR_OTP_GP_REG (CSR_BASE+0x034) 119 120#define CSR_GIO_REG (CSR_BASE+0x03C) 121#define CSR_GP_UCODE_REG (CSR_BASE+0x048) 122#define CSR_GP_DRIVER_REG (CSR_BASE+0x050) 123 124/* 125 * UCODE-DRIVER GP (general purpose) mailbox registers. 126 * SET/CLR registers set/clear bit(s) if "1" is written. 127 */ 128#define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) 129#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) 130#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) 131#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) 132 133#define CSR_LED_REG (CSR_BASE+0x094) 134#define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) 135#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE+0x0A8) /* 6000 and up */ 136 137 138/* GIO Chicken Bits (PCI Express bus link power management) */ 139#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) 140 141/* Analog phase-lock-loop configuration */ 142#define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) 143 144/* 145 * CSR Hardware Revision Workaround Register. Indicates hardware rev; 146 * "step" determines CCK backoff for txpower calculation. Used for 4965 only. 147 * See also CSR_HW_REV register. 148 * Bit fields: 149 * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step 150 * 1-0: "Dash" (-) value, as in C-1, etc. 151 */ 152#define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) 153 154#define CSR_DBG_HPET_MEM_REG (CSR_BASE+0x240) 155#define CSR_DBG_LINK_PWR_MGMT_REG (CSR_BASE+0x250) 156 157/* Bits for CSR_HW_IF_CONFIG_REG */ 158#define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x00000C00) 159#define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) 160#define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) 161 162#define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A (0x00080000) 163#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) 164#define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY (0x00400000) /* PCI_OWN_SEM */ 165#define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */ 166#define CSR_HW_IF_CONFIG_REG_PREPARE (0x08000000) /* WAKE_ME */ 167 168#define CSR_INT_PERIODIC_DIS (0x00) /* disable periodic int*/ 169#define CSR_INT_PERIODIC_ENA (0xFF) /* 255*32 usec ~ 8 msec*/ 170 171/* interrupt flags in INTA, set by uCode or hardware (e.g. dma), 172 * acknowledged (reset) by host writing "1" to flagged bits. */ 173#define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ 174#define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ 175#define CSR_INT_BIT_RX_PERIODIC (1 << 28) /* Rx periodic */ 176#define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ 177#define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ 178#define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ 179#define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ 180#define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ 181#define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses */ 182#define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ 183#define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ 184 185#define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ 186 CSR_INT_BIT_HW_ERR | \ 187 CSR_INT_BIT_FH_TX | \ 188 CSR_INT_BIT_SW_ERR | \ 189 CSR_INT_BIT_RF_KILL | \ 190 CSR_INT_BIT_SW_RX | \ 191 CSR_INT_BIT_WAKEUP | \ 192 CSR_INT_BIT_ALIVE) 193 194/* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ 195#define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ 196#define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ 197#define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ 198#define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ 199#define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ 200#define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ 201 202#define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ 203 CSR_FH_INT_BIT_RX_CHNL1 | \ 204 CSR_FH_INT_BIT_RX_CHNL0) 205 206#define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ 207 CSR_FH_INT_BIT_TX_CHNL0) 208 209/* GPIO */ 210#define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) 211#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) 212#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC (0x00000200) 213 214/* RESET */ 215#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) 216#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) 217#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) 218#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) 219#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) 220#define CSR_RESET_LINK_PWR_MGMT_DISABLED (0x80000000) 221 222/* 223 * GP (general purpose) CONTROL REGISTER 224 * Bit fields: 225 * 27: HW_RF_KILL_SW 226 * Indicates state of (platform's) hardware RF-Kill switch 227 * 26-24: POWER_SAVE_TYPE 228 * Indicates current power-saving mode: 229 * 000 -- No power saving 230 * 001 -- MAC power-down 231 * 010 -- PHY (radio) power-down 232 * 011 -- Error 233 * 9-6: SYS_CONFIG 234 * Indicates current system configuration, reflecting pins on chip 235 * as forced high/low by device circuit board. 236 * 4: GOING_TO_SLEEP 237 * Indicates MAC is entering a power-saving sleep power-down. 238 * Not a good time to access device-internal resources. 239 * 3: MAC_ACCESS_REQ 240 * Host sets this to request and maintain MAC wakeup, to allow host 241 * access to device-internal resources. Host must wait for 242 * MAC_CLOCK_READY (and !GOING_TO_SLEEP) before accessing non-CSR 243 * device registers. 244 * 2: INIT_DONE 245 * Host sets this to put device into fully operational D0 power mode. 246 * Host resets this after SW_RESET to put device into low power mode. 247 * 0: MAC_CLOCK_READY 248 * Indicates MAC (ucode processor, etc.) is powered up and can run. 249 * Internal resources are accessible. 250 * NOTE: This does not indicate that the processor is actually running. 251 * NOTE: This does not indicate that device has completed 252 * init or post-power-down restore of internal SRAM memory. 253 * Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that 254 * SRAM is restored and uCode is in normal operation mode. 255 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 256 * do not need to save/restore it. 257 * NOTE: After device reset, this bit remains "0" until host sets 258 * INIT_DONE 259 */ 260#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) 261#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) 262#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) 263#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) 264 265#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) 266 267#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) 268#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0x04000000) 269#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) 270 271 272/* HW REV */ 273#define CSR_HW_REV_TYPE_MSK (0x00001F0) 274#define CSR_HW_REV_TYPE_5300 (0x0000020) 275#define CSR_HW_REV_TYPE_5350 (0x0000030) 276#define CSR_HW_REV_TYPE_5100 (0x0000050) 277#define CSR_HW_REV_TYPE_5150 (0x0000040) 278#define CSR_HW_REV_TYPE_1000 (0x0000060) 279#define CSR_HW_REV_TYPE_6x00 (0x0000070) 280#define CSR_HW_REV_TYPE_6x50 (0x0000080) 281#define CSR_HW_REV_TYPE_6150 (0x0000084) 282#define CSR_HW_REV_TYPE_6x05 (0x00000B0) 283#define CSR_HW_REV_TYPE_6x30 CSR_HW_REV_TYPE_6x05 284#define CSR_HW_REV_TYPE_6x35 CSR_HW_REV_TYPE_6x05 285#define CSR_HW_REV_TYPE_2x30 (0x00000C0) 286#define CSR_HW_REV_TYPE_2x00 (0x0000100) 287#define CSR_HW_REV_TYPE_105 (0x0000110) 288#define CSR_HW_REV_TYPE_135 (0x0000120) 289#define CSR_HW_REV_TYPE_NONE (0x00001F0) 290 291/* EEPROM REG */ 292#define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) 293#define CSR_EEPROM_REG_BIT_CMD (0x00000002) 294#define CSR_EEPROM_REG_MSK_ADDR (0x0000FFFC) 295#define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) 296 297/* EEPROM GP */ 298#define CSR_EEPROM_GP_VALID_MSK (0x00000007) /* signature */ 299#define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) 300#define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP (0x00000000) 301#define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP (0x00000001) 302#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0x00000002) 303#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0x00000004) 304 305/* One-time-programmable memory general purpose reg */ 306#define CSR_OTP_GP_REG_DEVICE_SELECT (0x00010000) /* 0 - EEPROM, 1 - OTP */ 307#define CSR_OTP_GP_REG_OTP_ACCESS_MODE (0x00020000) /* 0 - absolute, 1 - relative */ 308#define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK (0x00100000) /* bit 20 */ 309#define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK (0x00200000) /* bit 21 */ 310 311/* GP REG */ 312#define CSR_GP_REG_POWER_SAVE_STATUS_MSK (0x03000000) /* bit 24/25 */ 313#define CSR_GP_REG_NO_POWER_SAVE (0x00000000) 314#define CSR_GP_REG_MAC_POWER_SAVE (0x01000000) 315#define CSR_GP_REG_PHY_POWER_SAVE (0x02000000) 316#define CSR_GP_REG_POWER_SAVE_ERROR (0x03000000) 317 318 319/* CSR GIO */ 320#define CSR_GIO_REG_VAL_L0S_ENABLED (0x00000002) 321 322/* 323 * UCODE-DRIVER GP (general purpose) mailbox register 1 324 * Host driver and uCode write and/or read this register to communicate with 325 * each other. 326 * Bit fields: 327 * 4: UCODE_DISABLE 328 * Host sets this to request permanent halt of uCode, same as 329 * sending CARD_STATE command with "halt" bit set. 330 * 3: CT_KILL_EXIT 331 * Host sets this to request exit from CT_KILL state, i.e. host thinks 332 * device temperature is low enough to continue normal operation. 333 * 2: CMD_BLOCKED 334 * Host sets this during RF KILL power-down sequence (HW, SW, CT KILL) 335 * to release uCode to clear all Tx and command queues, enter 336 * unassociated mode, and power down. 337 * NOTE: Some devices also use HBUS_TARG_MBX_C register for this bit. 338 * 1: SW_BIT_RFKILL 339 * Host sets this when issuing CARD_STATE command to request 340 * device sleep. 341 * 0: MAC_SLEEP 342 * uCode sets this when preparing a power-saving power-down. 343 * uCode resets this when power-up is complete and SRAM is sane. 344 * NOTE: device saves internal SRAM data to host when powering down, 345 * and must restore this data after powering back up. 346 * MAC_SLEEP is the best indication that restore is complete. 347 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 348 * do not need to save/restore it. 349 */ 350#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) 351#define CSR_UCODE_SW_BIT_RFKILL (0x00000002) 352#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) 353#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) 354#define CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE (0x00000020) 355 356/* GP Driver */ 357#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_MSK (0x00000003) 358#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_3x3_HYB (0x00000000) 359#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB (0x00000001) 360#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA (0x00000002) 361#define CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6 (0x00000004) 362#define CSR_GP_DRIVER_REG_BIT_6050_1x2 (0x00000008) 363 364#define CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER (0x00000080) 365 366/* GIO Chicken Bits (PCI Express bus link power management) */ 367#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) 368#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) 369 370/* LED */ 371#define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF) 372#define CSR_LED_REG_TRUN_ON (0x78) 373#define CSR_LED_REG_TRUN_OFF (0x38) 374 375/* ANA_PLL */ 376#define CSR50_ANA_PLL_CFG_VAL (0x00880300) 377 378/* HPET MEM debug */ 379#define CSR_DBG_HPET_MEM_REG_VAL (0xFFFF0000) 380 381/* DRAM INT TABLE */ 382#define CSR_DRAM_INT_TBL_ENABLE (1 << 31) 383#define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27) 384 385/* 386 * HBUS (Host-side Bus) 387 * 388 * HBUS registers are mapped directly into PCI bus space, but are used 389 * to indirectly access device's internal memory or registers that 390 * may be powered-down. 391 * 392 * Use iwl_write_direct32()/iwl_read_direct32() family for these registers; 393 * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ 394 * to make sure the MAC (uCode processor, etc.) is powered up for accessing 395 * internal resources. 396 * 397 * Do not use iwl_write32()/iwl_read32() family to access these registers; 398 * these provide only simple PCI bus access, without waking up the MAC. 399 */ 400#define HBUS_BASE (0x400) 401 402/* 403 * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM 404 * structures, error log, event log, verifying uCode load). 405 * First write to address register, then read from or write to data register 406 * to complete the job. Once the address register is set up, accesses to 407 * data registers auto-increment the address by one dword. 408 * Bit usage for address registers (read or write): 409 * 0-31: memory address within device 410 */ 411#define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) 412#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) 413#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) 414#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) 415 416/* Mailbox C, used as workaround alternative to CSR_UCODE_DRV_GP1 mailbox */ 417#define HBUS_TARG_MBX_C (HBUS_BASE+0x030) 418#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) 419 420/* 421 * Registers for accessing device's internal peripheral registers 422 * (e.g. SCD, BSM, etc.). First write to address register, 423 * then read from or write to data register to complete the job. 424 * Bit usage for address registers (read or write): 425 * 0-15: register address (offset) within device 426 * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) 427 */ 428#define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) 429#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) 430#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) 431#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) 432 433/* 434 * Per-Tx-queue write pointer (index, really!) 435 * Indicates index to next TFD that driver will fill (1 past latest filled). 436 * Bit usage: 437 * 0-7: queue write index 438 * 11-8: queue selector 439 */ 440#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) 441 442/********************************************************** 443 * CSR values 444 **********************************************************/ 445 /* 446 * host interrupt timeout value 447 * used with setting interrupt coalescing timer 448 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 449 * 450 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 451 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 452 */ 453#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 454#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 455#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 456#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 457#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 458#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 459 460#endif /* !__iwl_csr_h__ */ 461