iwl-hw.h

linux内核源码

/******************************************************************************
 *
 * 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 - 2007 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 Geeral Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * 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,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.GPL.
 *
 * Contact Information:
 * James P. Ketrenos <[e-mail]>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
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 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#ifndef	__iwlwifi_hw_h__
#define __iwlwifi_hw_h__

/*
 * This file defines hardware constants common to 3945 and 4965.
 *
 * Device-specific constants are defined in iwl-3945-hw.h and iwl-4965-hw.h,
 * although this file contains a few definitions for which the .c
 * implementation is the same for 3945 and 4965, except for the value of
 * a constant.
 *
 * uCode API constants are defined in iwl-commands.h.
 *
 * NOTE:  DO NOT PUT OS IMPLEMENTATION-SPECIFIC DECLARATIONS HERE
 *
 * The iwl-*hw.h (and files they include) files should remain OS/driver
 * implementation independent, declaring only the hardware interface.
 */

/* uCode queue management definitions */
#define IWL_CMD_QUEUE_NUM       4
#define IWL_CMD_FIFO_NUM        4
#define IWL_BACK_QUEUE_FIRST_ID 7

/* Tx rates */
#define IWL_CCK_RATES 4
#define IWL_OFDM_RATES 8

#if IWL == 3945
#define IWL_HT_RATES 0
#elif IWL == 4965
#define IWL_HT_RATES 16
#endif

#define IWL_MAX_RATES  (IWL_CCK_RATES+IWL_OFDM_RATES+IWL_HT_RATES)

/* Time constants */
#define SHORT_SLOT_TIME 9
#define LONG_SLOT_TIME 20

/* RSSI to dBm */
#if IWL == 3945
#define IWL_RSSI_OFFSET	95
#elif IWL == 4965
#define IWL_RSSI_OFFSET	44
#endif

#include "iwl-eeprom.h"
#include "iwl-commands.h"

#define PCI_LINK_CTRL      0x0F0
#define PCI_POWER_SOURCE   0x0C8
#define PCI_REG_WUM8       0x0E8
#define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT         (0x80000000)

/*=== CSR (control and status registers) ===*/
#define CSR_BASE    (0x000)

#define CSR_SW_VER              (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)
#define CSR_HW_REV              (CSR_BASE+0x028)
#define CSR_EEPROM_REG          (CSR_BASE+0x02c)
#define CSR_EEPROM_GP           (CSR_BASE+0x030)
#define CSR_GP_UCODE		(CSR_BASE+0x044)
#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_LED_REG		(CSR_BASE+0x094)
#define CSR_DRAM_INT_TBL_CTL	(CSR_BASE+0x0A0)
#define CSR_GIO_CHICKEN_BITS    (CSR_BASE+0x100)
#define CSR_ANA_PLL_CFG         (CSR_BASE+0x20c)
#define CSR_HW_REV_WA_REG	(CSR_BASE+0x22C)

/* HW I/F configuration */
#define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MB         (0x00000100)
#define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MM         (0x00000200)
#define CSR_HW_IF_CONFIG_REG_BIT_SKU_MRC            (0x00000400)
#define CSR_HW_IF_CONFIG_REG_BIT_BOARD_TYPE         (0x00000800)
#define CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A    (0x00000000)
#define CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B    (0x00001000)
#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM     (0x00200000)

/* 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_DNLD         (1<<28) /* uCode Download */
#define CSR_INT_BIT_FH_TX        (1<<27) /* Tx DMA FH_INT[1:0] */
#define CSR_INT_BIT_MAC_CLK_ACTV (1<<26) /* NIC controller's clock toggled on/off */
#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 CSR_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 CSR_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 CSR_FH_INT_RX_MASK	(CSR_FH_INT_BIT_HI_PRIOR | \
				 CSR_FH_INT_BIT_RX_CHNL2 | \
				 CSR_FH_INT_BIT_RX_CHNL1 | \
				 CSR_FH_INT_BIT_RX_CHNL0)

#define CSR_FH_INT_TX_MASK	(CSR_FH_INT_BIT_TX_CHNL6 | \
				 CSR_FH_INT_BIT_TX_CHNL1 | \
				 CSR_FH_INT_BIT_TX_CHNL0 )


/* 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)

/* GP (general purpose) CONTROL */
#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_VAL_MAC_ACCESS_EN           (0x00000001)

#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE         (0x07000000)
#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE         (0x04000000)
#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW          (0x08000000)


/* EEPROM REG */
#define CSR_EEPROM_REG_READ_VALID_MSK	(0x00000001)
#define CSR_EEPROM_REG_BIT_CMD		(0x00000002)

/* EEPROM GP */
#define CSR_EEPROM_GP_VALID_MSK		(0x00000006)
#define CSR_EEPROM_GP_BAD_SIGNATURE	(0x00000000)
#define CSR_EEPROM_GP_IF_OWNER_MSK	(0x00000180)

/* UCODE DRV GP */
#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)

/* 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		CSR_GPIO_IN_BIT_AUX_POWER

/* GI Chicken Bits */
#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX  (0x00800000)
#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER  (0x20000000)

/* CSR_ANA_PLL_CFG */
#define CSR_ANA_PLL_CFG_SH		(0x00880300)

#define CSR_LED_REG_TRUN_ON		(0x00000078)
#define CSR_LED_REG_TRUN_OFF		(0x00000038)
#define CSR_LED_BSM_CTRL_MSK		(0xFFFFFFDF)

/* DRAM_INT_TBL_CTRL */
#define CSR_DRAM_INT_TBL_CTRL_EN	(1<<31)
#define CSR_DRAM_INT_TBL_CTRL_WRAP_CHK	(1<<27)

/*=== HBUS (Host-side Bus) ===*/
#define HBUS_BASE	(0x400)

#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)
#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)
#define HBUS_TARG_WRPTR         (HBUS_BASE+0x060)

#define HBUS_TARG_MBX_C         (HBUS_BASE+0x030)


/* SCD (Scheduler) */
#define SCD_BASE                        (CSR_BASE + 0x2E00)