/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright (C) 2005-2014, 2018-2022 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2016 Intel Deutschland GmbH */ #ifndef __iwl_csr_h__ #define __iwl_csr_h__ /* * CSR (control and status registers) * * CSR registers are mapped directly into PCI bus space, and are accessible * whenever platform supplies power to device, even when device is in * low power states due to driver-invoked device resets * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes. * * Use iwl_write32() and iwl_read32() family to access these registers; * these provide simple PCI bus access, without waking up the MAC. * Do not use iwl_write_direct32() family for these registers; * no need to "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ. * The MAC (uCode processor, etc.) does not need to be powered up for accessing * the CSR registers. * * NOTE: Device does need to be awake in order to read this memory * via CSR_EEPROM and CSR_OTP registers */ #define CSR_BASE (0x000) #define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ #define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ #define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ #define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ #define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ #define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ #define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ #define CSR_GP_CNTRL (CSR_BASE+0x024) /* 2nd byte of CSR_INT_COALESCING, not accessible via iwl_write32()! */ #define CSR_INT_PERIODIC_REG (CSR_BASE+0x005) /* * Hardware revision info * Bit fields: * 31-16: Reserved * 15-4: Type of device: see CSR_HW_REV_TYPE_xxx definitions * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D * 1-0: "Dash" (-) value, as in A-1, etc. */ #define CSR_HW_REV (CSR_BASE+0x028) /* * RF ID revision info * Bit fields: * 31:24: Reserved (set to 0x0) * 23:12: Type * 11:8: Step (A - 0x0, B - 0x1, etc) * 7:4: Dash * 3:0: Flavor */ #define CSR_HW_RF_ID (CSR_BASE+0x09c) /* * EEPROM and OTP (one-time-programmable) memory reads * * NOTE: Device must be awake, initialized via apm_ops.init(), * in order to read. */ #define CSR_EEPROM_REG (CSR_BASE+0x02c) #define CSR_EEPROM_GP (CSR_BASE+0x030) #define CSR_OTP_GP_REG (CSR_BASE+0x034) #define CSR_GIO_REG (CSR_BASE+0x03C) #define CSR_GP_UCODE_REG (CSR_BASE+0x048) #define CSR_GP_DRIVER_REG (CSR_BASE+0x050) /* * UCODE-DRIVER GP (general purpose) mailbox registers. * SET/CLR registers set/clear bit(s) if "1" is written. */ #define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) #define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) #define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) #define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) #define CSR_MBOX_SET_REG (CSR_BASE + 0x88) #define CSR_LED_REG (CSR_BASE+0x094) #define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) #define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE + 0x0A8) /* 6000 and up */ #define CSR_MAC_SHADOW_REG_CTRL_RX_WAKE BIT(20) #define CSR_MAC_SHADOW_REG_CTL2 (CSR_BASE + 0x0AC) #define CSR_MAC_SHADOW_REG_CTL2_RX_WAKE 0xFFFF /* LTR control (since IWL_DEVICE_FAMILY_22000) */ #define CSR_LTR_LONG_VAL_AD (CSR_BASE + 0x0D4) #define CSR_LTR_LONG_VAL_AD_NO_SNOOP_REQ 0x80000000 #define CSR_LTR_LONG_VAL_AD_NO_SNOOP_SCALE 0x1c000000 #define CSR_LTR_LONG_VAL_AD_NO_SNOOP_VAL 0x03ff0000 #define CSR_LTR_LONG_VAL_AD_SNOOP_REQ 0x00008000 #define CSR_LTR_LONG_VAL_AD_SNOOP_SCALE 0x00001c00 #define CSR_LTR_LONG_VAL_AD_SNOOP_VAL 0x000003ff #define CSR_LTR_LONG_VAL_AD_SCALE_USEC 2 /* GIO Chicken Bits (PCI Express bus link power management) */ #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) /* Doorbell - since Bz * connected to UREG_DOORBELL_TO_ISR6 (lower 16 bits only) */ #define CSR_DOORBELL_VECTOR (CSR_BASE + 0x130) /* host chicken bits */ #define CSR_HOST_CHICKEN (CSR_BASE + 0x204) #define CSR_HOST_CHICKEN_PM_IDLE_SRC_DIS_SB_PME BIT(19) /* Analog phase-lock-loop configuration */ #define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) /* * CSR HW resources monitor registers */ #define CSR_MONITOR_CFG_REG (CSR_BASE+0x214) #define CSR_MONITOR_STATUS_REG (CSR_BASE+0x228) #define CSR_MONITOR_XTAL_RESOURCES (0x00000010) /* * CSR Hardware Revision Workaround Register. Indicates hardware rev; * "step" determines CCK backoff for txpower calculation. * See also CSR_HW_REV register. * Bit fields: * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step * 1-0: "Dash" (-) value, as in C-1, etc. */ #define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) #define CSR_DBG_HPET_MEM_REG (CSR_BASE+0x240) #define CSR_DBG_LINK_PWR_MGMT_REG (CSR_BASE+0x250) /* Bits for CSR_HW_IF_CONFIG_REG */ #define CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH (0x00000003) #define CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP (0x0000000C) #define CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM (0x00000080) #define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x000000C0) #define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) #define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) #define CSR_HW_IF_CONFIG_REG_D3_DEBUG (0x00000200) #define CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE (0x00000C00) #define CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH (0x00003000) #define CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP (0x0000C000) #define CSR_HW_IF_CONFIG_REG_POS_MAC_DASH (0) #define CSR_HW_IF_CONFIG_REG_POS_MAC_STEP (2) #define CSR_HW_IF_CONFIG_REG_POS_BOARD_VER (6) #define CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE (10) #define CSR_HW_IF_CONFIG_REG_POS_PHY_DASH (12) #define CSR_HW_IF_CONFIG_REG_POS_PHY_STEP (14) #define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A (0x00080000) #define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) #define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY (0x00400000) /* PCI_OWN_SEM */ #define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */ #define CSR_HW_IF_CONFIG_REG_PREPARE (0x08000000) /* WAKE_ME */ #define CSR_HW_IF_CONFIG_REG_ENABLE_PME (0x10000000) #define CSR_HW_IF_CONFIG_REG_PERSIST_MODE (0x40000000) /* PERSISTENCE */ #define CSR_MBOX_SET_REG_OS_ALIVE BIT(5) #define CSR_INT_PERIODIC_DIS (0x00) /* disable periodic int*/ #define CSR_INT_PERIODIC_ENA (0xFF) /* 255*32 usec ~ 8 msec*/ /* interrupt flags in INTA, set by uCode or hardware (e.g. dma), * acknowledged (reset) by host writing "1" to flagged bits. */ #define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ #define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ #define CSR_INT_BIT_RX_PERIODIC (1 << 28) /* Rx periodic */ #define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ #define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ #define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ #define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ #define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ #define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses */ #define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ #define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ #define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ CSR_INT_BIT_HW_ERR | \ CSR_INT_BIT_FH_TX | \ CSR_INT_BIT_SW_ERR | \ CSR_INT_BIT_RF_KILL | \ CSR_INT_BIT_SW_RX | \ CSR_INT_BIT_WAKEUP | \ CSR_INT_BIT_ALIVE | \ CSR_INT_BIT_RX_PERIODIC) /* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ #define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ #define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ #define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ #define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ #define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ #define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ #define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ CSR_FH_INT_BIT_RX_CHNL1 | \ CSR_FH_INT_BIT_RX_CHNL0) #define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ CSR_FH_INT_BIT_TX_CHNL0) /* GPIO */ #define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) #define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) #define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC (0x00000200) /* RESET */ #define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) #define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) #define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) #define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) #define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) #define CSR_RESET_LINK_PWR_MGMT_DISABLED (0x80000000) /* * GP (general purpose) CONTROL REGISTER * Bit fields: * 27: HW_RF_KILL_SW * Indicates state of (platform's) hardware RF-Kill switch * 26-24: POWER_SAVE_TYPE * Indicates current power-saving mode: * 000 -- No power saving * 001 -- MAC power-down * 010 -- PHY (radio) power-down * 011 -- Error * 10: XTAL ON request * 9-6: SYS_CONFIG * Indicates current system configuration, reflecting pins on chip * as forced high/low by device circuit board. * 4: GOING_TO_SLEEP * Indicates MAC is entering a power-saving sleep power-down. * Not a good time to access device-internal resources. * 3: MAC_ACCESS_REQ * Host sets this to request and maintain MAC wakeup, to allow host * access to device-internal resources. Host must wait for * MAC_CLOCK_READY (and !GOING_TO_SLEEP) before accessing non-CSR * device registers. * 2: INIT_DONE * Host sets this to put device into fully operational D0 power mode. * Host resets this after SW_RESET to put device into low power mode. * 0: MAC_CLOCK_READY * Indicates MAC (ucode processor, etc.) is powered up and can run. * Internal resources are accessible. * NOTE: This does not indicate that the processor is actually running. * NOTE: This does not indicate that device has completed * init or post-power-down restore of internal SRAM memory. * Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that * SRAM is restored and uCode is in normal operation mode. * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and * do not need to save/restore it. * NOTE: After device reset, this bit remains "0" until host sets * INIT_DONE */ #define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) #define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) #define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) #define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) #define CSR_GP_CNTRL_REG_FLAG_XTAL_ON (0x00000400) #define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) #define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) #define CSR_GP_CNTRL_REG_FLAG_RFKILL_WAKE_L1A_EN (0x04000000) #define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) /* From Bz we use these instead during init/reset flow */ #define CSR_GP_CNTRL_REG_FLAG_MAC_INIT BIT(6) #define CSR_GP_CNTRL_REG_FLAG_ROM_START BIT(7) #define CSR_GP_CNTRL_REG_FLAG_MAC_STATUS BIT(20) #define CSR_GP_CNTRL_REG_FLAG_BZ_MAC_ACCESS_REQ BIT(21) #define CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_STATUS BIT(28) #define CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_REQ BIT(29) #define CSR_GP_CNTRL_REG_FLAG_SW_RESET BIT(31) /* HW REV */ #define CSR_HW_REV_DASH(_val) (((_val) & 0x0000003) >> 0) #define CSR_HW_REV_STEP(_val) (((_val) & 0x000000C) >> 2) #define CSR_HW_REV_TYPE(_val) (((_val) & 0x000FFF0) >> 4) /* HW RFID */ #define CSR_HW_RFID_FLAVOR(_val) (((_val) & 0x000000F) >> 0) #define CSR_HW_RFID_DASH(_val) (((_val) & 0x00000F0) >> 4) #define CSR_HW_RFID_STEP(_val) (((_val) & 0x0000F00) >> 8) #define CSR_HW_RFID_TYPE(_val) (((_val) & 0x0FFF000) >> 12) #define CSR_HW_RFID_IS_CDB(_val) (((_val) & 0x10000000) >> 28) #define CSR_HW_RFID_IS_JACKET(_val) (((_val) & 0x20000000) >> 29) /** * hw_rev values */ enum { SILICON_A_STEP = 0, SILICON_B_STEP, SILICON_C_STEP, }; #define CSR_HW_REV_TYPE_MSK (0x000FFF0) #define CSR_HW_REV_TYPE_5300 (0x0000020) #define CSR_HW_REV_TYPE_5350 (0x0000030) #define CSR_HW_REV_TYPE_5100 (0x0000050) #define CSR_HW_REV_TYPE_5150 (0x0000040) #define CSR_HW_REV_TYPE_1000 (0x0000060) #define CSR_HW_REV_TYPE_6x00 (0x0000070) #define CSR_HW_REV_TYPE_6x50 (0x0000080) #define CSR_HW_REV_TYPE_6150 (0x0000084) #define CSR_HW_REV_TYPE_6x05 (0x00000B0) #define CSR_HW_REV_TYPE_6x30 CSR_HW_REV_TYPE_6x05 #define CSR_HW_REV_TYPE_6x35 CSR_HW_REV_TYPE_6x05 #define CSR_HW_REV_TYPE_2x30 (0x00000C0) #define CSR_HW_REV_TYPE_2x00 (0x0000100) #define CSR_HW_REV_TYPE_105 (0x0000110) #define CSR_HW_REV_TYPE_135 (0x0000120) #define CSR_HW_REV_TYPE_3160 (0x0000164) #define CSR_HW_REV_TYPE_7265D (0x0000210) #define CSR_HW_REV_TYPE_NONE (0x00001F0) #define CSR_HW_REV_TYPE_QNJ (0x0000360) #define CSR_HW_REV_TYPE_QNJ_B0 (0x0000364) #define CSR_HW_REV_TYPE_QU_B0 (0x0000334) #define CSR_HW_REV_TYPE_QU_C0 (0x0000338) #define CSR_HW_REV_TYPE_QUZ (0x0000354) #define CSR_HW_REV_TYPE_HR_CDB (0x0000340) #define CSR_HW_REV_TYPE_SO (0x0000370) #define CSR_HW_REV_TYPE_TY (0x0000420) /* RF_ID value */ #define CSR_HW_RF_ID_TYPE_JF (0x00105100) #define CSR_HW_RF_ID_TYPE_HR (0x0010A000) #define CSR_HW_RF_ID_TYPE_HR1 (0x0010c100) #define CSR_HW_RF_ID_TYPE_HRCDB (0x00109F00) #define CSR_HW_RF_ID_TYPE_GF (0x0010D000) #define CSR_HW_RF_ID_TYPE_GF4 (0x0010E000) /* HW_RF CHIP STEP */ #define CSR_HW_RF_STEP(_val) (((_val) >> 8) & 0xF) /* EEPROM REG */ #define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) #define CSR_EEPROM_REG_BIT_CMD (0x00000002) #define CSR_EEPROM_REG_MSK_ADDR (0x0000FFFC) #define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) /* EEPROM GP */ #define CSR_EEPROM_GP_VALID_MSK (0x00000007) /* signature */ #define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) #define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP (0x00000000) #define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP (0x00000001) #define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0x00000002) #define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0x00000004) /* One-time-programmable memory general purpose reg */ #define CSR_OTP_GP_REG_DEVICE_SELECT (0x00010000) /* 0 - EEPROM, 1 - OTP */ #define CSR_OTP_GP_REG_OTP_ACCESS_MODE (0x00020000) /* 0 - absolute, 1 - relative */ #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK (0x00100000) /* bit 20 */ #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK (0x00200000) /* bit 21 */ /* GP REG */ #define CSR_GP_REG_POWER_SAVE_STATUS_MSK (0x03000000) /* bit 24/25 */ #define CSR_GP_REG_NO_POWER_SAVE (0x00000000) #define CSR_GP_REG_MAC_POWER_SAVE (0x01000000) #define CSR_GP_REG_PHY_POWER_SAVE (0x02000000) #define CSR_GP_REG_POWER_SAVE_ERROR (0x03000000) /* CSR GIO */ #define CSR_GIO_REG_VAL_L0S_DISABLED (0x00000002) /* * UCODE-DRIVER GP (general purpose) mailbox register 1 * Host driver and uCode write and/or read this register to communicate with * each other. * Bit fields: * 4: UCODE_DISABLE * Host sets this to request permanent halt of uCode, same as * sending CARD_STATE command with "halt" bit set. * 3: CT_KILL_EXIT * Host sets this to request exit from CT_KILL state, i.e. host thinks * device temperature is low enough to continue normal operation. * 2: CMD_BLOCKED * Host sets this during RF KILL power-down sequence (HW, SW, CT KILL) * to release uCode to clear all Tx and command queues, enter * unassociated mode, and power down. * NOTE: Some devices also use HBUS_TARG_MBX_C register for this bit. * 1: SW_BIT_RFKILL * Host sets this when issuing CARD_STATE command to request * device sleep. * 0: MAC_SLEEP * uCode sets this when preparing a power-saving power-down. * uCode resets this when power-up is complete and SRAM is sane. * NOTE: device saves internal SRAM data to host when powering down, * and must restore this data after powering back up. * MAC_SLEEP is the best indication that restore is complete. * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and * do not need to save/restore it. */ #define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) #define CSR_UCODE_SW_BIT_RFKILL (0x00000002) #define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) #define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) #define CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE (0x00000020) /* GP Driver */ #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_MSK (0x00000003) #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_3x3_HYB (0x00000000) #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB (0x00000001) #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA (0x00000002) #define CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6 (0x00000004) #define CSR_GP_DRIVER_REG_BIT_6050_1x2 (0x00000008) #define CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER (0x00000080) /* GIO Chicken Bits (PCI Express bus link power management) */ #define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) #define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) /* LED */ #define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF) #define CSR_LED_REG_TURN_ON (0x60) #define CSR_LED_REG_TURN_OFF (0x20) /* ANA_PLL */ #define CSR50_ANA_PLL_CFG_VAL (0x00880300) /* HPET MEM debug */ #define CSR_DBG_HPET_MEM_REG_VAL (0xFFFF0000) /* DRAM INT TABLE */ #define CSR_DRAM_INT_TBL_ENABLE (1 << 31) #define CSR_DRAM_INIT_TBL_WRITE_POINTER (1 << 28) #define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27) /* * SHR target access (Shared block memory space) * * Shared internal registers can be accessed directly from PCI bus through SHR * arbiter without need for the MAC HW to be powered up. This is possible due to * indirect read/write via HEEP_CTRL_WRD_PCIEX_CTRL (0xEC) and * HEEP_CTRL_WRD_PCIEX_DATA (0xF4) registers. * * Use iwl_write32()/iwl_read32() family to access these registers. The MAC HW * need not be powered up so no "grab inc access" is required. */ /* * Registers for accessing shared registers (e.g. SHR_APMG_GP1, * SHR_APMG_XTAL_CFG). For example, to read from SHR_APMG_GP1 register (0x1DC), * first, write to the control register: * HEEP_CTRL_WRD_PCIEX_CTRL[15:0] = 0x1DC (offset of the SHR_APMG_GP1 register) * HEEP_CTRL_WRD_PCIEX_CTRL[29:28] = 2 (read access) * second, read from the data register HEEP_CTRL_WRD_PCIEX_DATA[31:0]. * * To write the register, first, write to the data register * HEEP_CTRL_WRD_PCIEX_DATA[31:0] and then: * HEEP_CTRL_WRD_PCIEX_CTRL[15:0] = 0x1DC (offset of the SHR_APMG_GP1 register) * HEEP_CTRL_WRD_PCIEX_CTRL[29:28] = 3 (write access) */ #define HEEP_CTRL_WRD_PCIEX_CTRL_REG (CSR_BASE+0x0ec) #define HEEP_CTRL_WRD_PCIEX_DATA_REG (CSR_BASE+0x0f4) /* * HBUS (Host-side Bus) * * HBUS registers are mapped directly into PCI bus space, but are used * to indirectly access device's internal memory or registers that * may be powered-down. * * Use iwl_write_direct32()/iwl_read_direct32() family for these registers; * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ * to make sure the MAC (uCode processor, etc.) is powered up for accessing * internal resources. * * Do not use iwl_write32()/iwl_read32() family to access these registers; * these provide only simple PCI bus access, without waking up the MAC. */ #define HBUS_BASE (0x400) /* * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM * structures, error log, event log, verifying uCode load). * First write to address register, then read from or write to data register * to complete the job. Once the address register is set up, accesses to * data registers auto-increment the address by one dword. * Bit usage for address registers (read or write): * 0-31: memory address within device */ #define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) #define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) #define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) #define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) /* Mailbox C, used as workaround alternative to CSR_UCODE_DRV_GP1 mailbox */ #define HBUS_TARG_MBX_C (HBUS_BASE+0x030) #define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) /* * Registers for accessing device's internal peripheral registers * (e.g. SCD, BSM, etc.). First write to address register, * then read from or write to data register to complete the job. * Bit usage for address registers (read or write): * 0-15: register address (offset) within device * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) */ #define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) #define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) #define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) #define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) /* Used to enable DBGM */ #define HBUS_TARG_TEST_REG (HBUS_BASE+0x05c) /* * Per-Tx-queue write pointer (index, really!) * Indicates index to next TFD that driver will fill (1 past latest filled). * Bit usage: * 0-7: queue write index * 11-8: queue selector */ #define HBUS_TARG_WRPTR (HBUS_BASE+0x060) /********************************************************** * CSR values **********************************************************/ /* * host interrupt timeout value * used with setting interrupt coalescing timer * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit * * default interrupt coalescing timer is 64 x 32 = 2048 usecs */ #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) #define IWL_HOST_INT_TIMEOUT_DEF (0x40) #define IWL_HOST_INT_TIMEOUT_MIN (0x0) #define IWL_HOST_INT_OPER_MODE BIT(31) /***************************************************************************** * 7000/3000 series SHR DTS addresses * *****************************************************************************/ /* Diode Results Register Structure: */ enum dtd_diode_reg { DTS_DIODE_REG_DIG_VAL = 0x000000FF, /* bits [7:0] */ DTS_DIODE_REG_VREF_LOW = 0x0000FF00, /* bits [15:8] */ DTS_DIODE_REG_VREF_HIGH = 0x00FF0000, /* bits [23:16] */ DTS_DIODE_REG_VREF_ID = 0x03000000, /* bits [25:24] */ DTS_DIODE_REG_PASS_ONCE = 0x80000000, /* bits [31:31] */ DTS_DIODE_REG_FLAGS_MSK = 0xFF000000, /* bits [31:24] */ /* Those are the masks INSIDE the flags bit-field: */ DTS_DIODE_REG_FLAGS_VREFS_ID_POS = 0, DTS_DIODE_REG_FLAGS_VREFS_ID = 0x00000003, /* bits [1:0] */ DTS_DIODE_REG_FLAGS_PASS_ONCE_POS = 7, DTS_DIODE_REG_FLAGS_PASS_ONCE = 0x00000080, /* bits [7:7] */ }; /***************************************************************************** * MSIX related registers * *****************************************************************************/ #define CSR_MSIX_BASE (0x2000) #define CSR_MSIX_FH_INT_CAUSES_AD (CSR_MSIX_BASE + 0x800) #define CSR_MSIX_FH_INT_MASK_AD (CSR_MSIX_BASE + 0x804) #define CSR_MSIX_HW_INT_CAUSES_AD (CSR_MSIX_BASE + 0x808) #define CSR_MSIX_HW_INT_MASK_AD (CSR_MSIX_BASE + 0x80C) #define CSR_MSIX_AUTOMASK_ST_AD (CSR_MSIX_BASE + 0x810) #define CSR_MSIX_RX_IVAR_AD_REG (CSR_MSIX_BASE + 0x880) #define CSR_MSIX_IVAR_AD_REG (CSR_MSIX_BASE + 0x890) #define CSR_MSIX_PENDING_PBA_AD (CSR_MSIX_BASE + 0x1000) #define CSR_MSIX_RX_IVAR(cause) (CSR_MSIX_RX_IVAR_AD_REG + (cause)) #define CSR_MSIX_IVAR(cause) (CSR_MSIX_IVAR_AD_REG + (cause)) #define MSIX_FH_INT_CAUSES_Q(q) (q) /* * Causes for the FH register interrupts */ enum msix_fh_int_causes { MSIX_FH_INT_CAUSES_Q0 = BIT(0), MSIX_FH_INT_CAUSES_Q1 = BIT(1), MSIX_FH_INT_CAUSES_D2S_CH0_NUM = BIT(16), MSIX_FH_INT_CAUSES_D2S_CH1_NUM = BIT(17), MSIX_FH_INT_CAUSES_S2D = BIT(19), MSIX_FH_INT_CAUSES_FH_ERR = BIT(21), }; /* The low 16 bits are for rx data queue indication */ #define MSIX_FH_INT_CAUSES_DATA_QUEUE 0xffff /* * Causes for the HW register interrupts */ enum msix_hw_int_causes { MSIX_HW_INT_CAUSES_REG_ALIVE = BIT(0), MSIX_HW_INT_CAUSES_REG_WAKEUP = BIT(1), MSIX_HW_INT_CAUSES_REG_IML = BIT(1), MSIX_HW_INT_CAUSES_REG_RESET_DONE = BIT(2), MSIX_HW_INT_CAUSES_REG_CT_KILL = BIT(6), MSIX_HW_INT_CAUSES_REG_RF_KILL = BIT(7), MSIX_HW_INT_CAUSES_REG_PERIODIC = BIT(8), MSIX_HW_INT_CAUSES_REG_SW_ERR = BIT(25), MSIX_HW_INT_CAUSES_REG_SCD = BIT(26), MSIX_HW_INT_CAUSES_REG_FH_TX = BIT(27), MSIX_HW_INT_CAUSES_REG_HW_ERR = BIT(29), MSIX_HW_INT_CAUSES_REG_HAP = BIT(30), }; #define MSIX_MIN_INTERRUPT_VECTORS 2 #define MSIX_AUTO_CLEAR_CAUSE 0 #define MSIX_NON_AUTO_CLEAR_CAUSE BIT(7) /***************************************************************************** * HW address related registers * *****************************************************************************/ #define CSR_ADDR_BASE(trans) ((trans)->cfg->mac_addr_from_csr) #define CSR_MAC_ADDR0_OTP(trans) (CSR_ADDR_BASE(trans) + 0x00) #define CSR_MAC_ADDR1_OTP(trans) (CSR_ADDR_BASE(trans) + 0x04) #define CSR_MAC_ADDR0_STRAP(trans) (CSR_ADDR_BASE(trans) + 0x08) #define CSR_MAC_ADDR1_STRAP(trans) (CSR_ADDR_BASE(trans) + 0x0c) #endif /* !__iwl_csr_h__ */