759ef89fb0
This patch replaces personal emails with hopefully always valid Intel Linux Wireless, which will be routed to a current maintainer Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
489 lines
17 KiB
C
489 lines
17 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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/*
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* Please use this file (iwl-3945-hw.h) only for hardware-related definitions.
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* Please use iwl-3945-commands.h for uCode API definitions.
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* Please use iwl-3945.h for driver implementation definitions.
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*/
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#ifndef __iwl_3945_hw__
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#define __iwl_3945_hw__
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/*
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* uCode queue management definitions ...
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* Queue #4 is the command queue for 3945 and 4965.
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*/
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#define IWL_CMD_QUEUE_NUM 4
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/* Tx rates */
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#define IWL_CCK_RATES 4
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#define IWL_OFDM_RATES 8
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#define IWL_HT_RATES 0
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#define IWL_MAX_RATES (IWL_CCK_RATES+IWL_OFDM_RATES+IWL_HT_RATES)
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/* Time constants */
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#define SHORT_SLOT_TIME 9
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#define LONG_SLOT_TIME 20
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/* RSSI to dBm */
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#define IWL_RSSI_OFFSET 95
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/*
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* EEPROM related constants, enums, and structures.
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*/
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/*
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* EEPROM access time values:
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*
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* Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG,
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* then clearing (with subsequent read/modify/write) CSR_EEPROM_REG bit
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* CSR_EEPROM_REG_BIT_CMD (0x2).
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* Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1).
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* When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec.
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* Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG.
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*/
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#define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */
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#define IWL_EEPROM_ACCESS_DELAY 10 /* uSec */
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/*
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* Regulatory channel usage flags in EEPROM struct iwl_eeprom_channel.flags.
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*
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* IBSS and/or AP operation is allowed *only* on those channels with
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* (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because
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* RADAR detection is not supported by the 3945 driver, but is a
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* requirement for establishing a new network for legal operation on channels
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* requiring RADAR detection or restricting ACTIVE scanning.
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*
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* NOTE: "WIDE" flag indicates that 20 MHz channel is supported;
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* 3945 does not support FAT 40 MHz-wide channels.
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*
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* NOTE: Using a channel inappropriately will result in a uCode error!
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*/
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enum {
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EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */
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EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */
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/* Bit 2 Reserved */
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EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
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EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
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EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
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/* Bit 6 Reserved (was Narrow Channel) */
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EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
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};
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/* SKU Capabilities */
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#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0)
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#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1)
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#define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7)
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/* *regulatory* channel data from eeprom, one for each channel */
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struct iwl3945_eeprom_channel {
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u8 flags; /* flags copied from EEPROM */
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s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */
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} __attribute__ ((packed));
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/*
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* Mapping of a Tx power level, at factory calibration temperature,
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* to a radio/DSP gain table index.
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* One for each of 5 "sample" power levels in each band.
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* v_det is measured at the factory, using the 3945's built-in power amplifier
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* (PA) output voltage detector. This same detector is used during Tx of
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* long packets in normal operation to provide feedback as to proper output
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* level.
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* Data copied from EEPROM.
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* DO NOT ALTER THIS STRUCTURE!!!
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*/
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struct iwl3945_eeprom_txpower_sample {
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u8 gain_index; /* index into power (gain) setup table ... */
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s8 power; /* ... for this pwr level for this chnl group */
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u16 v_det; /* PA output voltage */
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} __attribute__ ((packed));
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/*
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* Mappings of Tx power levels -> nominal radio/DSP gain table indexes.
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* One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
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* Tx power setup code interpolates between the 5 "sample" power levels
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* to determine the nominal setup for a requested power level.
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* Data copied from EEPROM.
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* DO NOT ALTER THIS STRUCTURE!!!
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*/
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struct iwl3945_eeprom_txpower_group {
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struct iwl3945_eeprom_txpower_sample samples[5]; /* 5 power levels */
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s32 a, b, c, d, e; /* coefficients for voltage->power
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* formula (signed) */
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s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on
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* frequency (signed) */
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s8 saturation_power; /* highest power possible by h/w in this
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* band */
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u8 group_channel; /* "representative" channel # in this band */
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s16 temperature; /* h/w temperature at factory calib this band
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* (signed) */
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} __attribute__ ((packed));
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/*
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* Temperature-based Tx-power compensation data, not band-specific.
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* These coefficients are use to modify a/b/c/d/e coeffs based on
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* difference between current temperature and factory calib temperature.
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* Data copied from EEPROM.
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*/
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struct iwl3945_eeprom_temperature_corr {
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u32 Ta;
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u32 Tb;
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u32 Tc;
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u32 Td;
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u32 Te;
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} __attribute__ ((packed));
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/*
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* EEPROM map
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*/
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struct iwl3945_eeprom {
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u8 reserved0[16];
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u16 device_id; /* abs.ofs: 16 */
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u8 reserved1[2];
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u16 pmc; /* abs.ofs: 20 */
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u8 reserved2[20];
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u8 mac_address[6]; /* abs.ofs: 42 */
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u8 reserved3[58];
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u16 board_revision; /* abs.ofs: 106 */
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u8 reserved4[11];
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u8 board_pba_number[9]; /* abs.ofs: 119 */
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u8 reserved5[8];
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u16 version; /* abs.ofs: 136 */
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u8 sku_cap; /* abs.ofs: 138 */
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u8 leds_mode; /* abs.ofs: 139 */
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u16 oem_mode;
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u16 wowlan_mode; /* abs.ofs: 142 */
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u16 leds_time_interval; /* abs.ofs: 144 */
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u8 leds_off_time; /* abs.ofs: 146 */
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u8 leds_on_time; /* abs.ofs: 147 */
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u8 almgor_m_version; /* abs.ofs: 148 */
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u8 antenna_switch_type; /* abs.ofs: 149 */
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u8 reserved6[42];
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u8 sku_id[4]; /* abs.ofs: 192 */
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/*
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* Per-channel regulatory data.
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*
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* Each channel that *might* be supported by 3945 or 4965 has a fixed location
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* in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
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* txpower (MSB).
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*
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* Entries immediately below are for 20 MHz channel width. FAT (40 MHz)
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* channels (only for 4965, not supported by 3945) appear later in the EEPROM.
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*
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* 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
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*/
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u16 band_1_count; /* abs.ofs: 196 */
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struct iwl3945_eeprom_channel band_1_channels[14]; /* abs.ofs: 196 */
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/*
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* 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
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* 5.0 GHz channels 7, 8, 11, 12, 16
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* (4915-5080MHz) (none of these is ever supported)
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*/
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u16 band_2_count; /* abs.ofs: 226 */
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struct iwl3945_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */
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/*
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* 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
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* (5170-5320MHz)
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*/
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u16 band_3_count; /* abs.ofs: 254 */
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struct iwl3945_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */
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/*
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* 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
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* (5500-5700MHz)
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*/
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u16 band_4_count; /* abs.ofs: 280 */
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struct iwl3945_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */
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/*
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* 5.7 GHz channels 145, 149, 153, 157, 161, 165
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* (5725-5825MHz)
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*/
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u16 band_5_count; /* abs.ofs: 304 */
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struct iwl3945_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */
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u8 reserved9[194];
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/*
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* 3945 Txpower calibration data.
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*/
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#define IWL_NUM_TX_CALIB_GROUPS 5
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struct iwl3945_eeprom_txpower_group groups[IWL_NUM_TX_CALIB_GROUPS];
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/* abs.ofs: 512 */
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struct iwl3945_eeprom_temperature_corr corrections; /* abs.ofs: 832 */
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u8 reserved16[172]; /* fill out to full 1024 byte block */
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} __attribute__ ((packed));
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#define IWL_EEPROM_IMAGE_SIZE 1024
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/* End of EEPROM */
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#include "iwl-3945-commands.h"
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#define PCI_LINK_CTRL 0x0F0
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#define PCI_POWER_SOURCE 0x0C8
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#define PCI_REG_WUM8 0x0E8
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#define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000)
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/*=== FH (data Flow Handler) ===*/
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#define FH_BASE (0x800)
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#define FH_CBCC_TABLE (FH_BASE+0x140)
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#define FH_TFDB_TABLE (FH_BASE+0x180)
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#define FH_RCSR_TABLE (FH_BASE+0x400)
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#define FH_RSSR_TABLE (FH_BASE+0x4c0)
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#define FH_TCSR_TABLE (FH_BASE+0x500)
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#define FH_TSSR_TABLE (FH_BASE+0x680)
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/* TFDB (Transmit Frame Buffer Descriptor) */
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#define FH_TFDB(_channel, buf) \
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(FH_TFDB_TABLE+((_channel)*2+(buf))*0x28)
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#define ALM_FH_TFDB_CHNL_BUF_CTRL_REG(_channel) \
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(FH_TFDB_TABLE + 0x50 * _channel)
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/* CBCC _channel is [0,2] */
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#define FH_CBCC(_channel) (FH_CBCC_TABLE+(_channel)*0x8)
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#define FH_CBCC_CTRL(_channel) (FH_CBCC(_channel)+0x00)
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#define FH_CBCC_BASE(_channel) (FH_CBCC(_channel)+0x04)
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/* RCSR _channel is [0,2] */
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#define FH_RCSR(_channel) (FH_RCSR_TABLE+(_channel)*0x40)
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#define FH_RCSR_CONFIG(_channel) (FH_RCSR(_channel)+0x00)
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#define FH_RCSR_RBD_BASE(_channel) (FH_RCSR(_channel)+0x04)
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#define FH_RCSR_WPTR(_channel) (FH_RCSR(_channel)+0x20)
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#define FH_RCSR_RPTR_ADDR(_channel) (FH_RCSR(_channel)+0x24)
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#define FH_RSCSR_CHNL0_WPTR (FH_RCSR_WPTR(0))
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/* RSSR */
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#define FH_RSSR_CTRL (FH_RSSR_TABLE+0x000)
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#define FH_RSSR_STATUS (FH_RSSR_TABLE+0x004)
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#define FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE (0x01000000)
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/* TCSR */
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#define FH_TCSR(_channel) (FH_TCSR_TABLE+(_channel)*0x20)
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#define FH_TCSR_CONFIG(_channel) (FH_TCSR(_channel)+0x00)
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#define FH_TCSR_CREDIT(_channel) (FH_TCSR(_channel)+0x04)
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#define FH_TCSR_BUFF_STTS(_channel) (FH_TCSR(_channel)+0x08)
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/* TSSR */
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#define FH_TSSR_CBB_BASE (FH_TSSR_TABLE+0x000)
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#define FH_TSSR_MSG_CONFIG (FH_TSSR_TABLE+0x008)
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#define FH_TSSR_TX_STATUS (FH_TSSR_TABLE+0x010)
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/* DBM */
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#define ALM_FH_SRVC_CHNL (6)
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#define ALM_FH_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE (20)
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#define ALM_FH_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH (4)
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#define ALM_FH_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN (0x08000000)
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#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE (0x80000000)
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#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE (0x20000000)
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#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128 (0x01000000)
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#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST (0x00001000)
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#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH (0x00000000)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF (0x00000000)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER (0x00000001)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL (0x00000000)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT (0x00000000)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000)
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#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000)
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#define ALM_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00004000)
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#define ALM_FH_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR (0x00000001)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON (0xFF000000)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON (0x00FF0000)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B (0x00000400)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON (0x00000100)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON (0x00000080)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH (0x00000020)
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#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH (0x00000005)
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#define ALM_TB_MAX_BYTES_COUNT (0xFFF0)
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#define ALM_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_channel) \
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((1LU << _channel) << 24)
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#define ALM_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_channel) \
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((1LU << _channel) << 16)
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#define ALM_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_channel) \
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(ALM_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_channel) | \
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ALM_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_channel))
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#define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */
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#define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */
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#define TFD_QUEUE_MIN 0
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#define TFD_QUEUE_MAX 6
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#define TFD_QUEUE_SIZE_MAX (256)
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#define IWL_NUM_SCAN_RATES (2)
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#define IWL_DEFAULT_TX_RETRY 15
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/*********************************************/
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#define RFD_SIZE 4
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#define NUM_TFD_CHUNKS 4
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#define RX_QUEUE_SIZE 256
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#define RX_QUEUE_MASK 255
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#define RX_QUEUE_SIZE_LOG 8
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#define U32_PAD(n) ((4-(n))&0x3)
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#define TFD_CTL_COUNT_SET(n) (n << 24)
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|
#define TFD_CTL_COUNT_GET(ctl) ((ctl >> 24) & 7)
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|
#define TFD_CTL_PAD_SET(n) (n << 28)
|
|
#define TFD_CTL_PAD_GET(ctl) (ctl >> 28)
|
|
|
|
#define TFD_TX_CMD_SLOTS 256
|
|
#define TFD_CMD_SLOTS 32
|
|
|
|
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
|
|
sizeof(struct iwl3945_cmd_meta))
|
|
|
|
/*
|
|
* RX related structures and functions
|
|
*/
|
|
#define RX_FREE_BUFFERS 64
|
|
#define RX_LOW_WATERMARK 8
|
|
|
|
/* Sizes and addresses for instruction and data memory (SRAM) in
|
|
* 3945's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */
|
|
#define RTC_INST_LOWER_BOUND (0x000000)
|
|
#define ALM_RTC_INST_UPPER_BOUND (0x014000)
|
|
|
|
#define RTC_DATA_LOWER_BOUND (0x800000)
|
|
#define ALM_RTC_DATA_UPPER_BOUND (0x808000)
|
|
|
|
#define ALM_RTC_INST_SIZE (ALM_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND)
|
|
#define ALM_RTC_DATA_SIZE (ALM_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND)
|
|
|
|
#define IWL_MAX_INST_SIZE ALM_RTC_INST_SIZE
|
|
#define IWL_MAX_DATA_SIZE ALM_RTC_DATA_SIZE
|
|
|
|
/* Size of uCode instruction memory in bootstrap state machine */
|
|
#define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE
|
|
|
|
#define IWL39_MAX_NUM_QUEUES 8
|
|
|
|
static inline int iwl3945_hw_valid_rtc_data_addr(u32 addr)
|
|
{
|
|
return (addr >= RTC_DATA_LOWER_BOUND) &&
|
|
(addr < ALM_RTC_DATA_UPPER_BOUND);
|
|
}
|
|
|
|
/* Base physical address of iwl3945_shared is provided to FH_TSSR_CBB_BASE
|
|
* and &iwl3945_shared.rx_read_ptr[0] is provided to FH_RCSR_RPTR_ADDR(0) */
|
|
struct iwl3945_shared {
|
|
__le32 tx_base_ptr[8];
|
|
__le32 rx_read_ptr[3];
|
|
} __attribute__ ((packed));
|
|
|
|
struct iwl3945_tfd_frame_data {
|
|
__le32 addr;
|
|
__le32 len;
|
|
} __attribute__ ((packed));
|
|
|
|
struct iwl3945_tfd_frame {
|
|
__le32 control_flags;
|
|
struct iwl3945_tfd_frame_data pa[4];
|
|
u8 reserved[28];
|
|
} __attribute__ ((packed));
|
|
|
|
static inline u8 iwl3945_hw_get_rate(__le16 rate_n_flags)
|
|
{
|
|
return le16_to_cpu(rate_n_flags) & 0xFF;
|
|
}
|
|
|
|
static inline u16 iwl3945_hw_get_rate_n_flags(__le16 rate_n_flags)
|
|
{
|
|
return le16_to_cpu(rate_n_flags);
|
|
}
|
|
|
|
static inline __le16 iwl3945_hw_set_rate_n_flags(u8 rate, u16 flags)
|
|
{
|
|
return cpu_to_le16((u16)rate|flags);
|
|
}
|
|
#endif
|