/******************************************************************************
*
* This file is provided under a dual BSD / GPLv2 license . When using or
* redistributing this file , you may do so under either license .
*
* GPL LICENSE SUMMARY
*
* Copyright ( c ) 2005 - 2011 Intel Corporation . All rights reserved .
*
* This program is free software ; you can redistribute it and / or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation .
*
* This program is distributed in the hope that it will be useful , but
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* General Public License for more details .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 ,
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*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE . GPL .
*
* Contact Information :
* Intel Linux Wireless < ilw @ linux . intel . com >
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*
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*
* Copyright ( c ) 2005 - 2011 Intel Corporation . All rights reserved .
* All rights reserved .
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* modification , are permitted provided that the following conditions
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* from this software without specific prior written permission .
*
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*****************************************************************************/
#ifndef __il_csr_h__
#define __il_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 _ il_wr ( ) and _ il_rd ( ) family to access these registers ;
* these provide simple PCI bus access , without waking up the MAC .
* Do not use il_wr ( ) 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 register
*/
#define CSR_BASE (0 x000)
#define CSR_HW_IF_CONFIG_REG (CSR_BASE+0 x000) /* hardware interface config */
#define CSR_INT_COALESCING (CSR_BASE+0 x004) /* accum ints, 32-usec units */
#define CSR_INT (CSR_BASE+0 x008) /* host interrupt status/ack */
#define CSR_INT_MASK (CSR_BASE+0 x00c) /* host interrupt enable */
#define CSR_FH_INT_STATUS (CSR_BASE+0 x010) /* busmaster int status/ack */
#define CSR_GPIO_IN (CSR_BASE+0 x018) /* read external chip pins */
#define CSR_RESET (CSR_BASE+0 x020) /* busmaster enable, NMI, etc */
#define CSR_GP_CNTRL (CSR_BASE+0 x024)
/* 2nd byte of CSR_INT_COALESCING, not accessible via _il_wr()! */
#define CSR_INT_PERIODIC_REG (CSR_BASE+0 x005)
/*
* Hardware revision info
* Bit fields :
* 31 - 8 : Reserved
* 7 - 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 .
*
* NOTE : Revision step affects calculation of CCK txpower for 4965 .
* NOTE : See also CSR_HW_REV_WA_REG ( work - around for bug in 4965 ) .
*/
#define CSR_HW_REV (CSR_BASE+0 x028)
/*
* EEPROM memory reads
*
* NOTE : Device must be awake , initialized via apm_ops . init ( ) ,
* in order to read .
*/
#define CSR_EEPROM_REG (CSR_BASE+0 x02c)
#define CSR_EEPROM_GP (CSR_BASE+0 x030)
#define CSR_GIO_REG (CSR_BASE+0 x03C)
#define CSR_GP_UCODE_REG (CSR_BASE+0 x048)
#define CSR_GP_DRIVER_REG (CSR_BASE+0 x050)
/*
* 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+0 x054)
#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0 x058)
#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0 x05c)
#define CSR_UCODE_DRV_GP2 (CSR_BASE+0 x060)
#define CSR_LED_REG (CSR_BASE+0 x094)
#define CSR_DRAM_INT_TBL_REG (CSR_BASE+0 x0A0)
/* GIO Chicken Bits (PCI Express bus link power management) */
#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0 x100)
/* Analog phase-lock-loop configuration */
#define CSR_ANA_PLL_CFG (CSR_BASE+0 x20c)
/*
* CSR Hardware Revision Workaround Register . Indicates hardware rev ;
* " step " determines CCK backoff for txpower calculation . Used for 4965 only .
* 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+0 x22C)
#define CSR_DBG_HPET_MEM_REG (CSR_BASE+0 x240)
#define CSR_DBG_LINK_PWR_MGMT_REG (CSR_BASE+0 x250)
/* Bits for CSR_HW_IF_CONFIG_REG */
#define CSR49_HW_IF_CONFIG_REG_BIT_4965_R (0 x00000010)
#define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0 x00000C00)
#define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0 x00000100)
#define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0 x00000200)
#define CSR39_HW_IF_CONFIG_REG_BIT_3945_MB (0 x00000100)
#define CSR39_HW_IF_CONFIG_REG_BIT_3945_MM (0 x00000200)
#define CSR39_HW_IF_CONFIG_REG_BIT_SKU_MRC (0 x00000400)
#define CSR39_HW_IF_CONFIG_REG_BIT_BOARD_TYPE (0 x00000800)
#define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A (0 x00000000)
#define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B (0 x00001000)
#define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A (0 x00080000)
#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0 x00200000)
#define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY (0 x00400000) /* PCI_OWN_SEM */
#define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0 x02000000) /* ME_OWN */
#define CSR_HW_IF_CONFIG_REG_PREPARE (0 x08000000) /* WAKE_ME */
#define CSR_INT_PERIODIC_DIS (0 x00) /* disable periodic int */
#define CSR_INT_PERIODIC_ENA (0 xFF) /* 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, 3945 */
#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)
/* 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 CSR39_FH_INT_BIT_RX_CHNL2 (1 << 18 ) /* Rx channel 2 (3945 only) */
#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 CSR39_FH_INT_BIT_TX_CHNL6 (1 << 6 ) /* Tx channel 6 (3945 only) */
#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 CSR39_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \
CSR39_FH_INT_BIT_RX_CHNL2 | \
CSR_FH_INT_BIT_RX_CHNL1 | \
CSR_FH_INT_BIT_RX_CHNL0)
#define CSR39_FH_INT_TX_MASK (CSR39_FH_INT_BIT_TX_CHNL6 | \
CSR_FH_INT_BIT_TX_CHNL1 | \
CSR_FH_INT_BIT_TX_CHNL0)
#define CSR49_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \
CSR_FH_INT_BIT_RX_CHNL1 | \
CSR_FH_INT_BIT_RX_CHNL0)
#define CSR49_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \
CSR_FH_INT_BIT_TX_CHNL0)
/* GPIO */
#define CSR_GPIO_IN_BIT_AUX_POWER (0 x00000200)
#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0 x00000000)
#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC (0 x00000200)
/* RESET */
#define CSR_RESET_REG_FLAG_NEVO_RESET (0 x00000001)
#define CSR_RESET_REG_FLAG_FORCE_NMI (0 x00000002)
#define CSR_RESET_REG_FLAG_SW_RESET (0 x00000080)
#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0 x00000100)
#define CSR_RESET_REG_FLAG_STOP_MASTER (0 x00000200)
#define CSR_RESET_LINK_PWR_MGMT_DISABLED (0 x80000000)
/*
* 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
* 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 4965 or 3945 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 ( 5 xxx / 6 xxx / 1 xxx ) 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 (0 x00000001)
#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0 x00000004)
#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0 x00000008)
#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0 x00000010)
#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0 x00000001)
#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0 x07000000)
#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0 x04000000)
#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0 x08000000)
/* EEPROM REG */
#define CSR_EEPROM_REG_READ_VALID_MSK (0 x00000001)
#define CSR_EEPROM_REG_BIT_CMD (0 x00000002)
#define CSR_EEPROM_REG_MSK_ADDR (0 x0000FFFC)
#define CSR_EEPROM_REG_MSK_DATA (0 xFFFF0000)
/* EEPROM GP */
#define CSR_EEPROM_GP_VALID_MSK (0 x00000007) /* signature */
#define CSR_EEPROM_GP_IF_OWNER_MSK (0 x00000180)
#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0 x00000002)
#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0 x00000004)
/* GP REG */
#define CSR_GP_REG_POWER_SAVE_STATUS_MSK (0 x03000000) /* bit 24/25 */
#define CSR_GP_REG_NO_POWER_SAVE (0 x00000000)
#define CSR_GP_REG_MAC_POWER_SAVE (0 x01000000)
#define CSR_GP_REG_PHY_POWER_SAVE (0 x02000000)
#define CSR_GP_REG_POWER_SAVE_ERROR (0 x03000000)
/* CSR GIO */
#define CSR_GIO_REG_VAL_L0S_ENABLED (0 x00000002)
/*
* 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 : 3945 / 4965 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 ( 5 xxx / 6 xxx / 1 xxx ) use non - volatile SRAM , and
* do not need to save / restore it .
*/
#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0 x00000001)
#define CSR_UCODE_SW_BIT_RFKILL (0 x00000002)
#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0 x00000004)
#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0 x00000008)
/* GIO Chicken Bits (PCI Express bus link power management) */
#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0 x00800000)
#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0 x20000000)
/* LED */
#define CSR_LED_BSM_CTRL_MSK (0 xFFFFFFDF)
#define CSR_LED_REG_TRUN_ON (0 x78)
#define CSR_LED_REG_TRUN_OFF (0 x38)
/* ANA_PLL */
#define CSR39_ANA_PLL_CFG_VAL (0 x01000000)
/* HPET MEM debug */
#define CSR_DBG_HPET_MEM_REG_VAL (0 xFFFF0000)
/* DRAM INT TBL */
#define CSR_DRAM_INT_TBL_ENABLE (1 << 31 )
#define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27 )
/*
* 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 il_wr ( ) / il_rd ( ) 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 _ il_wr ( ) / _ il_rd ( ) family to access these registers ;
* these provide only simple PCI bus access , without waking up the MAC .
*/
#define HBUS_BASE (0 x400)
/*
* 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+0 x00c)
#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0 x010)
#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0 x018)
#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0 x01c)
/* Mailbox C, used as workaround alternative to CSR_UCODE_DRV_GP1 mailbox */
#define HBUS_TARG_MBX_C (HBUS_BASE+0 x030)
#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0 x00000004)
/*
* 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+0 x044)
#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0 x048)
#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0 x04c)
#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0 x050)
/*
* Per - Tx - queue write pointer ( idx , really ! )
* Indicates idx to next TFD that driver will fill ( 1 past latest filled ) .
* Bit usage :
* 0 - 7 : queue write idx
* 11 - 8 : queue selector
*/
#define HBUS_TARG_WRPTR (HBUS_BASE+0 x060)
#endif /* !__il_csr_h__ */
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