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linux/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
Ben Cahill fcd427bbba iwlwifi: move HT_IE_EXT_CHANNEL_* driver definitions to iwl-4965.h 
Move HT_IE_EXT_CHANNEL_* driver definitions to iwl-4965.h

Add comments to guide .h file usage (hw/api/driver definitions)

Minor comment cleanup

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-01-28 15:05:26 -08:00

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/******************************************************************************
*
* 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 General 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 <ipw2100-admin@linux.intel.com>
* 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
* distribution.
* * 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,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
/*
* Please use this file (iwl-4965-hw.h) only for hardware-related definitions.
* Use iwl-4965-commands.h for uCode API definitions.
* Use iwl-4965.h for driver implementation definitions.
*/
#ifndef __iwl_4965_hw_h__
#define __iwl_4965_hw_h__
/*
* uCode queue management definitions ...
* Queue #4 is the command queue for 3945 and 4965; map it to Tx FIFO chnl 4.
* The first queue used for block-ack aggregation is #7 (4965 only).
* All block-ack aggregation queues should map to Tx DMA/FIFO channel 7.
*/
#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
#define IWL_HT_RATES 16
#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 */
#define IWL_RSSI_OFFSET 44
/*
* EEPROM related constants, enums, and structures.
*/
/*
* EEPROM access time values:
*
* Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG,
* then clearing (with subsequent read/modify/write) CSR_EEPROM_REG bit
* CSR_EEPROM_REG_BIT_CMD (0x2).
* Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1).
* When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec.
* Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG.
*/
#define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */
#define IWL_EEPROM_ACCESS_DELAY 10 /* uSec */
/*
* Regulatory channel usage flags in EEPROM struct iwl4965_eeprom_channel.flags.
*
* IBSS and/or AP operation is allowed *only* on those channels with
* (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because
* RADAR detection is not supported by the 4965 driver, but is a
* requirement for establishing a new network for legal operation on channels
* requiring RADAR detection or restricting ACTIVE scanning.
*
* NOTE: "WIDE" flag does not indicate anything about "FAT" 40 MHz channels.
* It only indicates that 20 MHz channel use is supported; FAT channel
* usage is indicated by a separate set of regulatory flags for each
* FAT channel pair.
*
* NOTE: Using a channel inappropriately will result in a uCode error!
*/
enum {
EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */
EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */
/* Bit 2 Reserved */
EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
EEPROM_CHANNEL_NARROW = (1 << 6), /* 10 MHz channel (not used) */
EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
};
/* SKU Capabilities */
#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0)
#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1)
/* *regulatory* channel data format in eeprom, one for each channel.
* There are separate entries for FAT (40 MHz) vs. normal (20 MHz) channels. */
struct iwl4965_eeprom_channel {
u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */
s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */
} __attribute__ ((packed));
/* 4965 has two radio transmitters (and 3 radio receivers) */
#define EEPROM_TX_POWER_TX_CHAINS (2)
/* 4965 has room for up to 8 sets of txpower calibration data */
#define EEPROM_TX_POWER_BANDS (8)
/* 4965 factory calibration measures txpower gain settings for
* each of 3 target output levels */
#define EEPROM_TX_POWER_MEASUREMENTS (3)
/* 4965 driver does not work with txpower calibration version < 5.
* Look for this in calib_version member of struct iwl4965_eeprom. */
#define EEPROM_TX_POWER_VERSION_NEW (5)
/*
* 4965 factory calibration data for one txpower level, on one channel,
* measured on one of the 2 tx chains (radio transmitter and associated
* antenna). EEPROM contains:
*
* 1) Temperature (degrees Celsius) of device when measurement was made.
*
* 2) Gain table index used to achieve the target measurement power.
* This refers to the "well-known" gain tables (see iwl-4965-hw.h).
*
* 3) Actual measured output power, in half-dBm ("34" = 17 dBm).
*
* 4) RF power amplifier detector level measurement (not used).
*/
struct iwl4965_eeprom_calib_measure {
u8 temperature; /* Device temperature (Celsius) */
u8 gain_idx; /* Index into gain table */
u8 actual_pow; /* Measured RF output power, half-dBm */
s8 pa_det; /* Power amp detector level (not used) */
} __attribute__ ((packed));
/*
* 4965 measurement set for one channel. EEPROM contains:
*
* 1) Channel number measured
*
* 2) Measurements for each of 3 power levels for each of 2 radio transmitters
* (a.k.a. "tx chains") (6 measurements altogether)
*/
struct iwl4965_eeprom_calib_ch_info {
u8 ch_num;
struct iwl4965_eeprom_calib_measure measurements[EEPROM_TX_POWER_TX_CHAINS]
[EEPROM_TX_POWER_MEASUREMENTS];
} __attribute__ ((packed));
/*
* 4965 txpower subband info.
*
* For each frequency subband, EEPROM contains the following:
*
* 1) First and last channels within range of the subband. "0" values
* indicate that this sample set is not being used.
*
* 2) Sample measurement sets for 2 channels close to the range endpoints.
*/
struct iwl4965_eeprom_calib_subband_info {
u8 ch_from; /* channel number of lowest channel in subband */
u8 ch_to; /* channel number of highest channel in subband */
struct iwl4965_eeprom_calib_ch_info ch1;
struct iwl4965_eeprom_calib_ch_info ch2;
} __attribute__ ((packed));
/*
* 4965 txpower calibration info. EEPROM contains:
*
* 1) Factory-measured saturation power levels (maximum levels at which
* tx power amplifier can output a signal without too much distortion).
* There is one level for 2.4 GHz band and one for 5 GHz band. These
* values apply to all channels within each of the bands.
*
* 2) Factory-measured power supply voltage level. This is assumed to be
* constant (i.e. same value applies to all channels/bands) while the
* factory measurements are being made.
*
* 3) Up to 8 sets of factory-measured txpower calibration values.
* These are for different frequency ranges, since txpower gain
* characteristics of the analog radio circuitry vary with frequency.
*
* Not all sets need to be filled with data;
* struct iwl4965_eeprom_calib_subband_info contains range of channels
* (0 if unused) for each set of data.
*/
struct iwl4965_eeprom_calib_info {
u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */
u8 saturation_power52; /* half-dBm */
s16 voltage; /* signed */
struct iwl4965_eeprom_calib_subband_info band_info[EEPROM_TX_POWER_BANDS];
} __attribute__ ((packed));
/*
* 4965 EEPROM map
*/
struct iwl4965_eeprom {
u8 reserved0[16];
#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */
u16 device_id; /* abs.ofs: 16 */
u8 reserved1[2];
#define EEPROM_PMC (2*0x0A) /* 2 bytes */
u16 pmc; /* abs.ofs: 20 */
u8 reserved2[20];
#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */
u8 mac_address[6]; /* abs.ofs: 42 */
u8 reserved3[58];
#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */
u16 board_revision; /* abs.ofs: 106 */
u8 reserved4[11];
#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */
u8 board_pba_number[9]; /* abs.ofs: 119 */
u8 reserved5[8];
#define EEPROM_VERSION (2*0x44) /* 2 bytes */
u16 version; /* abs.ofs: 136 */
#define EEPROM_SKU_CAP (2*0x45) /* 1 bytes */
u8 sku_cap; /* abs.ofs: 138 */
#define EEPROM_LEDS_MODE (2*0x45+1) /* 1 bytes */
u8 leds_mode; /* abs.ofs: 139 */
#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */
u16 oem_mode;
#define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */
u16 wowlan_mode; /* abs.ofs: 142 */
#define EEPROM_LEDS_TIME_INTERVAL (2*0x48) /* 2 bytes */
u16 leds_time_interval; /* abs.ofs: 144 */
#define EEPROM_LEDS_OFF_TIME (2*0x49) /* 1 bytes */
u8 leds_off_time; /* abs.ofs: 146 */
#define EEPROM_LEDS_ON_TIME (2*0x49+1) /* 1 bytes */
u8 leds_on_time; /* abs.ofs: 147 */
#define EEPROM_ALMGOR_M_VERSION (2*0x4A) /* 1 bytes */
u8 almgor_m_version; /* abs.ofs: 148 */
#define EEPROM_ANTENNA_SWITCH_TYPE (2*0x4A+1) /* 1 bytes */
u8 antenna_switch_type; /* abs.ofs: 149 */
u8 reserved6[8];
#define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */
u16 board_revision_4965; /* abs.ofs: 158 */
u8 reserved7[13];
#define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */
u8 board_pba_number_4965[9]; /* abs.ofs: 173 */
u8 reserved8[10];
#define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */
u8 sku_id[4]; /* abs.ofs: 192 */
/*
* Per-channel regulatory data.
*
* Each channel that *might* be supported by 3945 or 4965 has a fixed location
* in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
* txpower (MSB).
*
* Entries immediately below are for 20 MHz channel width. FAT (40 MHz)
* channels (only for 4965, not supported by 3945) appear later in the EEPROM.
*
* 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
*/
#define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */
u16 band_1_count; /* abs.ofs: 196 */
#define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */
struct iwl4965_eeprom_channel band_1_channels[14]; /* abs.ofs: 196 */
/*
* 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
* 5.0 GHz channels 7, 8, 11, 12, 16
* (4915-5080MHz) (none of these is ever supported)
*/
#define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */
u16 band_2_count; /* abs.ofs: 226 */
#define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */
struct iwl4965_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */
/*
* 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
* (5170-5320MHz)
*/
#define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */
u16 band_3_count; /* abs.ofs: 254 */
#define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */
struct iwl4965_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */
/*
* 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
* (5500-5700MHz)
*/
#define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */
u16 band_4_count; /* abs.ofs: 280 */
#define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */
struct iwl4965_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */
/*
* 5.7 GHz channels 145, 149, 153, 157, 161, 165
* (5725-5825MHz)
*/
#define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */
u16 band_5_count; /* abs.ofs: 304 */
#define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */
struct iwl4965_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */
u8 reserved10[2];
/*
* 2.4 GHz FAT channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11)
*
* The channel listed is the center of the lower 20 MHz half of the channel.
* The overall center frequency is actually 2 channels (10 MHz) above that,
* and the upper half of each FAT channel is centered 4 channels (20 MHz) away
* from the lower half; e.g. the upper half of FAT channel 1 is channel 5,
* and the overall FAT channel width centers on channel 3.
*
* NOTE: The RXON command uses 20 MHz channel numbers to specify the
* control channel to which to tune. RXON also specifies whether the
* control channel is the upper or lower half of a FAT channel.
*
* NOTE: 4965 does not support FAT channels on 2.4 GHz.
*/
#define EEPROM_REGULATORY_BAND_24_FAT_CHANNELS (2*0xA0) /* 14 bytes */
struct iwl4965_eeprom_channel band_24_channels[7]; /* abs.ofs: 320 */
u8 reserved11[2];
/*
* 5.2 GHz FAT channels 36 (40), 44 (48), 52 (56), 60 (64),
* 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161)
*/
#define EEPROM_REGULATORY_BAND_52_FAT_CHANNELS (2*0xA8) /* 22 bytes */
struct iwl4965_eeprom_channel band_52_channels[11]; /* abs.ofs: 336 */
u8 reserved12[6];
/*
* 4965 driver requires txpower calibration format version 5 or greater.
* Driver does not work with txpower calibration version < 5.
* This value is simply a 16-bit number, no major/minor versions here.
*/
#define EEPROM_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */
u16 calib_version; /* abs.ofs: 364 */
u8 reserved13[2];
u8 reserved14[96]; /* abs.ofs: 368 */
/*
* 4965 Txpower calibration data.
*/
#define EEPROM_IWL_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */
struct iwl4965_eeprom_calib_info calib_info; /* abs.ofs: 464 */
u8 reserved16[140]; /* fill out to full 1024 byte block */
} __attribute__ ((packed));
#define IWL_EEPROM_IMAGE_SIZE 1024
/* End of EEPROM */
#include "iwl-4965-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)
/*
* Hardware revision info
* Bit fields:
* 31-8: Reserved
* 7-4: Type of device: 0x0 = 4965, 0xd = 3945
* 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.
*/
#define CSR_HW_REV (CSR_BASE+0x028)
/* EEPROM reads */
#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_GIO_CHICKEN_BITS (CSR_BASE+0x100)
/*
* Indicates hardware rev, to determine CCK backoff for txpower calculation.
* Bit fields:
* 3-2: 0 = A, 1 = B, 2 = C, 3 = D step
*/
#define CSR_HW_REV_WA_REG (CSR_BASE+0x22C)
/* 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_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)
/* 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)
/*=== HBUS (Host-side Bus) ===*/
#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)
/*
* 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)
/*
* Per-Tx-queue write pointer (index, really!) (3945 and 4965).
* Indicates index to next TFD that driver will fill (1 past latest filled).
* Bit usage:
* 0-7: queue write index (0-255)
* 11-8: queue selector (0-15)
*/
#define HBUS_TARG_WRPTR (HBUS_BASE+0x060)
#define HBUS_TARG_MBX_C (HBUS_BASE+0x030)
/*=== FH (data Flow Handler) ===*/
#define FH_BASE (0x800)
#define FH_RSCSR_CHNL0_WPTR (FH_RSCSR_CHNL0_RBDCB_WPTR_REG)
/* RSSR */
#define FH_RSSR_CTRL (FH_RSSR_TABLE+0x000)
#define FH_RSSR_STATUS (FH_RSSR_TABLE+0x004)
/* TCSR */
#define FH_TCSR(_channel) (FH_TCSR_TABLE+(_channel)*0x20)
#define FH_TCSR_CONFIG(_channel) (FH_TCSR(_channel)+0x00)
#define FH_TCSR_CREDIT(_channel) (FH_TCSR(_channel)+0x04)
#define FH_TCSR_BUFF_STTS(_channel) (FH_TCSR(_channel)+0x08)
/* TSSR */
#define FH_TSSR_CBB_BASE (FH_TSSR_TABLE+0x000)
#define FH_TSSR_MSG_CONFIG (FH_TSSR_TABLE+0x008)
#define FH_TSSR_TX_STATUS (FH_TSSR_TABLE+0x010)
#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004)
#define TFD_QUEUE_SIZE_MAX (256)
#define IWL_NUM_SCAN_RATES (2)
#define IWL_DEFAULT_TX_RETRY 15
#define RX_QUEUE_SIZE 256
#define RX_QUEUE_MASK 255
#define RX_QUEUE_SIZE_LOG 8
#define TFD_TX_CMD_SLOTS 256
#define TFD_CMD_SLOTS 32
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
sizeof(struct iwl4965_cmd_meta))
/*
* RX related structures and functions
*/
#define RX_FREE_BUFFERS 64
#define RX_LOW_WATERMARK 8
/* Size of one Rx buffer in host DRAM */
#define IWL_RX_BUF_SIZE (4 * 1024)
/* Sizes and addresses for instruction and data memory (SRAM) in
* 4965's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */
#define RTC_INST_LOWER_BOUND (0x000000)
#define KDR_RTC_INST_UPPER_BOUND (0x018000)
#define RTC_DATA_LOWER_BOUND (0x800000)
#define KDR_RTC_DATA_UPPER_BOUND (0x80A000)
#define KDR_RTC_INST_SIZE (KDR_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND)
#define KDR_RTC_DATA_SIZE (KDR_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND)
#define IWL_MAX_INST_SIZE KDR_RTC_INST_SIZE
#define IWL_MAX_DATA_SIZE KDR_RTC_DATA_SIZE
/* Size of uCode instruction memory in bootstrap state machine */
#define IWL_MAX_BSM_SIZE BSM_SRAM_SIZE
static inline int iwl4965_hw_valid_rtc_data_addr(u32 addr)
{
return (addr >= RTC_DATA_LOWER_BOUND) &&
(addr < KDR_RTC_DATA_UPPER_BOUND);
}
/********************* START TXPOWER *****************************************/
enum {
CALIB_CH_GROUP_1 = 0,
CALIB_CH_GROUP_2 = 1,
CALIB_CH_GROUP_3 = 2,
CALIB_CH_GROUP_4 = 3,
CALIB_CH_GROUP_5 = 4,
CALIB_CH_GROUP_MAX
};
/* Temperature calibration offset is 3% 0C in Kelvin */
#define TEMPERATURE_CALIB_KELVIN_OFFSET 8
#define TEMPERATURE_CALIB_A_VAL 259
#define IWL_TX_POWER_TEMPERATURE_MIN (263)
#define IWL_TX_POWER_TEMPERATURE_MAX (410)
#define IWL_TX_POWER_TEMPERATURE_OUT_OF_RANGE(t) \
(((t) < IWL_TX_POWER_TEMPERATURE_MIN) || \
((t) > IWL_TX_POWER_TEMPERATURE_MAX))
#define IWL_TX_POWER_MIMO_REGULATORY_COMPENSATION (6)
#define IWL_TX_POWER_TARGET_POWER_MIN (0) /* 0 dBm = 1 milliwatt */
#define IWL_TX_POWER_TARGET_POWER_MAX (16) /* 16 dBm */
#define MIN_TX_GAIN_INDEX (0)
#define MIN_TX_GAIN_INDEX_52GHZ_EXT (-9)
#define IWL_TX_POWER_DEFAULT_REGULATORY_24 (34)
#define IWL_TX_POWER_DEFAULT_REGULATORY_52 (34)
#define IWL_TX_POWER_REGULATORY_MIN (0)
#define IWL_TX_POWER_REGULATORY_MAX (34)
#define IWL_TX_POWER_DEFAULT_SATURATION_24 (38)
#define IWL_TX_POWER_DEFAULT_SATURATION_52 (38)
#define IWL_TX_POWER_SATURATION_MIN (20)
#define IWL_TX_POWER_SATURATION_MAX (50)
/* First and last channels of all groups */
#define CALIB_IWL_TX_ATTEN_GR1_FCH 34
#define CALIB_IWL_TX_ATTEN_GR1_LCH 43
#define CALIB_IWL_TX_ATTEN_GR2_FCH 44
#define CALIB_IWL_TX_ATTEN_GR2_LCH 70
#define CALIB_IWL_TX_ATTEN_GR3_FCH 71
#define CALIB_IWL_TX_ATTEN_GR3_LCH 124
#define CALIB_IWL_TX_ATTEN_GR4_FCH 125
#define CALIB_IWL_TX_ATTEN_GR4_LCH 200
#define CALIB_IWL_TX_ATTEN_GR5_FCH 1
#define CALIB_IWL_TX_ATTEN_GR5_LCH 20
/********************* END TXPOWER *****************************************/
/* Flow Handler Definitions */
/**********************/
/* Addresses */
/**********************/
#define FH_MEM_LOWER_BOUND (0x1000)
#define FH_MEM_UPPER_BOUND (0x1EF0)
#define IWL_FH_REGS_LOWER_BOUND (0x1000)
#define IWL_FH_REGS_UPPER_BOUND (0x2000)
#define IWL_FH_KW_MEM_ADDR_REG (FH_MEM_LOWER_BOUND + 0x97C)
/* CBBC Area - Circular buffers base address cache pointers table */
#define FH_MEM_CBBC_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0x9D0)
#define FH_MEM_CBBC_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xA10)
/* queues 0 - 15 */
#define FH_MEM_CBBC_QUEUE(x) (FH_MEM_CBBC_LOWER_BOUND + (x) * 0x4)
/* RSCSR Area */
#define FH_MEM_RSCSR_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xBC0)
#define FH_MEM_RSCSR_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xC00)
#define FH_MEM_RSCSR_CHNL0 (FH_MEM_RSCSR_LOWER_BOUND)
#define FH_RSCSR_CHNL0_STTS_WPTR_REG (FH_MEM_RSCSR_CHNL0)
#define FH_RSCSR_CHNL0_RBDCB_BASE_REG (FH_MEM_RSCSR_CHNL0 + 0x004)
#define FH_RSCSR_CHNL0_RBDCB_WPTR_REG (FH_MEM_RSCSR_CHNL0 + 0x008)
/* RCSR Area - Registers address map */
#define FH_MEM_RCSR_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xC00)
#define FH_MEM_RCSR_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xCC0)
#define FH_MEM_RCSR_CHNL0 (FH_MEM_RCSR_LOWER_BOUND)
#define FH_MEM_RCSR_CHNL0_CONFIG_REG (FH_MEM_RCSR_CHNL0)
/* RSSR Area - Rx shared ctrl & status registers */
#define FH_MEM_RSSR_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xC40)
#define FH_MEM_RSSR_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xD00)
#define FH_MEM_RSSR_SHARED_CTRL_REG (FH_MEM_RSSR_LOWER_BOUND)
#define FH_MEM_RSSR_RX_STATUS_REG (FH_MEM_RSSR_LOWER_BOUND + 0x004)
#define FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV (FH_MEM_RSSR_LOWER_BOUND + 0x008)
/* TCSR */
#define IWL_FH_TCSR_LOWER_BOUND (IWL_FH_REGS_LOWER_BOUND + 0xD00)
#define IWL_FH_TCSR_UPPER_BOUND (IWL_FH_REGS_LOWER_BOUND + 0xE60)
#define IWL_FH_TCSR_CHNL_TX_CONFIG_REG(_chnl) \
(IWL_FH_TCSR_LOWER_BOUND + 0x20 * _chnl)
/* TSSR Area - Tx shared status registers */
/* TSSR */
#define IWL_FH_TSSR_LOWER_BOUND (IWL_FH_REGS_LOWER_BOUND + 0xEA0)
#define IWL_FH_TSSR_UPPER_BOUND (IWL_FH_REGS_LOWER_BOUND + 0xEC0)
#define IWL_FH_TSSR_TX_STATUS_REG (IWL_FH_TSSR_LOWER_BOUND + 0x010)
#define IWL_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_chnl) \
((1 << (_chnl)) << 24)
#define IWL_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_chnl) \
((1 << (_chnl)) << 16)
#define IWL_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_chnl) \
(IWL_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_chnl) | \
IWL_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_chnl))
#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008)
#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000)
/* RCSR: channel 0 rx_config register defines */
#define FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT (20)
#define FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL (0x80000000)
#define IWL_FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K (0x00000000)
/* RCSR channel 0 config register values */
#define FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL (0x00001000)
#define SCD_WIN_SIZE 64
#define SCD_FRAME_LIMIT 64
/* SRAM structures */
#define SCD_CONTEXT_DATA_OFFSET 0x380
#define SCD_TX_STTS_BITMAP_OFFSET 0x400
#define SCD_TRANSLATE_TBL_OFFSET 0x500
#define SCD_CONTEXT_QUEUE_OFFSET(x) (SCD_CONTEXT_DATA_OFFSET + ((x) * 8))
#define SCD_TRANSLATE_TBL_OFFSET_QUEUE(x) \
((SCD_TRANSLATE_TBL_OFFSET + ((x) * 2)) & 0xfffffffc)
#define SCD_TXFACT_REG_TXFIFO_MASK(lo, hi) \
((1<<(hi))|((1<<(hi))-(1<<(lo))))
#define SCD_QUEUE_STTS_REG_POS_ACTIVE (0)
#define SCD_QUEUE_STTS_REG_POS_TXF (1)
#define SCD_QUEUE_STTS_REG_POS_WSL (5)
#define SCD_QUEUE_STTS_REG_POS_SCD_ACK (8)
#define SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN (10)
#define SCD_QUEUE_STTS_REG_MSK (0x0007FC00)
#define SCD_QUEUE_CTX_REG1_WIN_SIZE_POS (0)
#define SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK (0x0000007F)
#define SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS (16)
#define SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK (0x007F0000)
#define CSR_HW_IF_CONFIG_REG_BIT_KEDRON_R (0x00000010)
#define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x00000C00)
#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_BIT_EEPROM_OWN_SEM (0x00200000)
static inline u8 iwl4965_hw_get_rate(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0xFF;
}
static inline u16 iwl4965_hw_get_rate_n_flags(__le32 rate_n_flags)
{
return le32_to_cpu(rate_n_flags) & 0xFFFF;
}
static inline __le32 iwl4965_hw_set_rate_n_flags(u8 rate, u16 flags)
{
return cpu_to_le32(flags|(u16)rate);
}
struct iwl4965_tfd_frame_data {
__le32 tb1_addr;
__le32 val1;
/* __le32 ptb1_32_35:4; */
#define IWL_tb1_addr_hi_POS 0
#define IWL_tb1_addr_hi_LEN 4
#define IWL_tb1_addr_hi_SYM val1
/* __le32 tb_len1:12; */
#define IWL_tb1_len_POS 4
#define IWL_tb1_len_LEN 12
#define IWL_tb1_len_SYM val1
/* __le32 ptb2_0_15:16; */
#define IWL_tb2_addr_lo16_POS 16
#define IWL_tb2_addr_lo16_LEN 16
#define IWL_tb2_addr_lo16_SYM val1
__le32 val2;
/* __le32 ptb2_16_35:20; */
#define IWL_tb2_addr_hi20_POS 0
#define IWL_tb2_addr_hi20_LEN 20
#define IWL_tb2_addr_hi20_SYM val2
/* __le32 tb_len2:12; */
#define IWL_tb2_len_POS 20
#define IWL_tb2_len_LEN 12
#define IWL_tb2_len_SYM val2
} __attribute__ ((packed));
struct iwl4965_tfd_frame {
__le32 val0;
/* __le32 rsvd1:24; */
/* __le32 num_tbs:5; */
#define IWL_num_tbs_POS 24
#define IWL_num_tbs_LEN 5
#define IWL_num_tbs_SYM val0
/* __le32 rsvd2:1; */
/* __le32 padding:2; */
struct iwl4965_tfd_frame_data pa[10];
__le32 reserved;
} __attribute__ ((packed));
#define IWL4965_MAX_WIN_SIZE 64
#define IWL4965_QUEUE_SIZE 256
#define IWL4965_NUM_FIFOS 7
#define IWL_MAX_NUM_QUEUES 16
struct iwl4965_queue_byte_cnt_entry {
__le16 val;
/* __le16 byte_cnt:12; */
#define IWL_byte_cnt_POS 0
#define IWL_byte_cnt_LEN 12
#define IWL_byte_cnt_SYM val
/* __le16 rsvd:4; */
} __attribute__ ((packed));
struct iwl4965_sched_queue_byte_cnt_tbl {
struct iwl4965_queue_byte_cnt_entry tfd_offset[IWL4965_QUEUE_SIZE +
IWL4965_MAX_WIN_SIZE];
u8 dont_care[1024 -
(IWL4965_QUEUE_SIZE + IWL4965_MAX_WIN_SIZE) *
sizeof(__le16)];
} __attribute__ ((packed));
/* Base physical address of iwl4965_shared is provided to KDR_SCD_DRAM_BASE_ADDR
* and &iwl4965_shared.val0 is provided to FH_RSCSR_CHNL0_STTS_WPTR_REG */
struct iwl4965_shared {
struct iwl4965_sched_queue_byte_cnt_tbl
queues_byte_cnt_tbls[IWL_MAX_NUM_QUEUES];
__le32 val0;
/* __le32 rb_closed_stts_rb_num:12; */
#define IWL_rb_closed_stts_rb_num_POS 0
#define IWL_rb_closed_stts_rb_num_LEN 12
#define IWL_rb_closed_stts_rb_num_SYM val0
/* __le32 rsrv1:4; */
/* __le32 rb_closed_stts_rx_frame_num:12; */
#define IWL_rb_closed_stts_rx_frame_num_POS 16
#define IWL_rb_closed_stts_rx_frame_num_LEN 12
#define IWL_rb_closed_stts_rx_frame_num_SYM val0
/* __le32 rsrv2:4; */
__le32 val1;
/* __le32 frame_finished_stts_rb_num:12; */
#define IWL_frame_finished_stts_rb_num_POS 0
#define IWL_frame_finished_stts_rb_num_LEN 12
#define IWL_frame_finished_stts_rb_num_SYM val1
/* __le32 rsrv3:4; */
/* __le32 frame_finished_stts_rx_frame_num:12; */
#define IWL_frame_finished_stts_rx_frame_num_POS 16
#define IWL_frame_finished_stts_rx_frame_num_LEN 12
#define IWL_frame_finished_stts_rx_frame_num_SYM val1
/* __le32 rsrv4:4; */
__le32 padding1; /* so that allocation will be aligned to 16B */
__le32 padding2;
} __attribute__ ((packed));
#endif /* __iwl4965_4965_hw_h__ */
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