[IWLWIFI]: add iwlwifi wireless drivers

This patch adds the mac80211 based wireless drivers for the Intel
PRO/Wireless 3945ABG/BG Network Connection and Intel Wireless WiFi
Link AGN (4965) adapters.

[ Move driver into it's own directory -DaveM ]

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 336 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
new file mode 100644
index 000000000000..e473c97e3f4f
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -0,0 +1,336 @@
+/******************************************************************************
+ *
+ * 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 <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.
+ *
+ *****************************************************************************/
+
+#ifndef __iwl_eeprom_h__
+#define __iwl_eeprom_h__
+
+/*
+ * This file defines EEPROM related constants, enums, and inline functions.
+ *
+ */
+
+#define IWL_EEPROM_ACCESS_TIMEOUT	5000 /* uSec */
+#define IWL_EEPROM_ACCESS_DELAY		10   /* uSec */
+/* EEPROM field values */
+#define ANTENNA_SWITCH_NORMAL     0
+#define ANTENNA_SWITCH_INVERSE    1
+
+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),
+	EEPROM_CHANNEL_NARROW = (1 << 6),
+	EEPROM_CHANNEL_DFS = (1 << 7),	/* dynamic freq selection candidate */
+};
+
+/* EEPROM field lengths */
+#define EEPROM_BOARD_PBA_NUMBER_LENGTH                  11
+
+/* EEPROM field lengths */
+#define EEPROM_BOARD_PBA_NUMBER_LENGTH                  11
+#define EEPROM_REGULATORY_SKU_ID_LENGTH                 4
+#define EEPROM_REGULATORY_BAND1_CHANNELS_LENGTH         14
+#define EEPROM_REGULATORY_BAND2_CHANNELS_LENGTH         13
+#define EEPROM_REGULATORY_BAND3_CHANNELS_LENGTH         12
+#define EEPROM_REGULATORY_BAND4_CHANNELS_LENGTH         11
+#define EEPROM_REGULATORY_BAND5_CHANNELS_LENGTH         6
+
+#if IWL == 3945
+#define EEPROM_REGULATORY_CHANNELS_LENGTH ( \
+	EEPROM_REGULATORY_BAND1_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND2_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND3_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND4_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND5_CHANNELS_LENGTH)
+#elif IWL == 4965
+#define EEPROM_REGULATORY_BAND_24_FAT_CHANNELS_LENGTH 7
+#define EEPROM_REGULATORY_BAND_52_FAT_CHANNELS_LENGTH 11
+#define EEPROM_REGULATORY_CHANNELS_LENGTH ( \
+	EEPROM_REGULATORY_BAND1_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND2_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND3_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND4_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND5_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND_24_FAT_CHANNELS_LENGTH + \
+	EEPROM_REGULATORY_BAND_52_FAT_CHANNELS_LENGTH)
+#endif
+
+#define EEPROM_REGULATORY_NUMBER_OF_BANDS               5
+
+/* SKU Capabilities */
+#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE                (1 << 0)
+#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE                (1 << 1)
+#define EEPROM_SKU_CAP_OP_MODE_MRC                      (1 << 7)
+
+/* *regulatory* channel data from eeprom, one for each channel */
+struct iwl_eeprom_channel {
+	u8 flags;		/* flags copied from EEPROM */
+	s8 max_power_avg;	/* max power (dBm) on this chnl, limit 31 */
+} __attribute__ ((packed));
+
+/*
+ * Mapping of a Tx power level, at factory calibration temperature,
+ *   to a radio/DSP gain table index.
+ * One for each of 5 "sample" power levels in each band.
+ * v_det is measured at the factory, using the 3945's built-in power amplifier
+ *   (PA) output voltage detector.  This same detector is used during Tx of
+ *   long packets in normal operation to provide feedback as to proper output
+ *   level.
+ * Data copied from EEPROM.
+ */
+struct iwl_eeprom_txpower_sample {
+	u8 gain_index;		/* index into power (gain) setup table ... */
+	s8 power;		/* ... for this pwr level for this chnl group */
+	u16 v_det;		/* PA output voltage */
+} __attribute__ ((packed));
+
+/*
+ * Mappings of Tx power levels -> nominal radio/DSP gain table indexes.
+ * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
+ * Tx power setup code interpolates between the 5 "sample" power levels
+ *    to determine the nominal setup for a requested power level.
+ * Data copied from EEPROM.
+ * DO NOT ALTER THIS STRUCTURE!!!
+ */
+struct iwl_eeprom_txpower_group {
+	struct iwl_eeprom_txpower_sample samples[5];	/* 5 power levels */
+	s32 a, b, c, d, e;	/* coefficients for voltage->power
+				 * formula (signed) */
+	s32 Fa, Fb, Fc, Fd, Fe;	/* these modify coeffs based on
+					 * frequency (signed) */
+	s8 saturation_power;	/* highest power possible by h/w in this
+				 * band */
+	u8 group_channel;	/* "representative" channel # in this band */
+	s16 temperature;	/* h/w temperature at factory calib this band
+				 * (signed) */
+} __attribute__ ((packed));
+
+/*
+ * Temperature-based Tx-power compensation data, not band-specific.
+ * These coefficients are use to modify a/b/c/d/e coeffs based on
+ *   difference between current temperature and factory calib temperature.
+ * Data copied from EEPROM.
+ */
+struct iwl_eeprom_temperature_corr {
+	u32 Ta;
+	u32 Tb;
+	u32 Tc;
+	u32 Td;
+	u32 Te;
+} __attribute__ ((packed));
+
+#if IWL == 4965
+#define EEPROM_TX_POWER_TX_CHAINS      (2)
+#define EEPROM_TX_POWER_BANDS          (8)
+#define EEPROM_TX_POWER_MEASUREMENTS   (3)
+#define EEPROM_TX_POWER_VERSION        (2)
+#define EEPROM_TX_POWER_VERSION_NEW    (5)
+
+struct iwl_eeprom_calib_measure {
+	u8 temperature;
+	u8 gain_idx;
+	u8 actual_pow;
+	s8 pa_det;
+} __attribute__ ((packed));
+
+struct iwl_eeprom_calib_ch_info {
+	u8 ch_num;
+	struct iwl_eeprom_calib_measure measurements[EEPROM_TX_POWER_TX_CHAINS]
+		[EEPROM_TX_POWER_MEASUREMENTS];
+} __attribute__ ((packed));
+
+struct iwl_eeprom_calib_subband_info {
+	u8 ch_from;
+	u8 ch_to;
+	struct iwl_eeprom_calib_ch_info ch1;
+	struct iwl_eeprom_calib_ch_info ch2;
+} __attribute__ ((packed));
+
+struct iwl_eeprom_calib_info {
+	u8 saturation_power24;
+	u8 saturation_power52;
+	s16 voltage;		/* signed */
+	struct iwl_eeprom_calib_subband_info band_info[EEPROM_TX_POWER_BANDS];
+} __attribute__ ((packed));
+
+#endif
+
+struct iwl_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 */
+#if IWL == 3945
+	u8 reserved6[42];
+#else
+	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];
+#endif
+#define EEPROM_REGULATORY_SKU_ID            (2*0x60)	/* 4  bytes */
+	u8 sku_id[4];		/* abs.ofs: 192 */
+#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 iwl_eeprom_channel band_1_channels[14];	/* abs.ofs: 196 */
+#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 iwl_eeprom_channel band_2_channels[13];	/* abs.ofs: 228 */
+#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 iwl_eeprom_channel band_3_channels[12];	/* abs.ofs: 256 */
+#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 iwl_eeprom_channel band_4_channels[11];	/* abs.ofs: 282 */
+#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 iwl_eeprom_channel band_5_channels[6];	/* abs.ofs: 306 */
+
+/* From here on out the EEPROM diverges between the 4965 and the 3945 */
+#if IWL == 3945
+
+	u8 reserved9[194];
+
+#define EEPROM_TXPOWER_CALIB_GROUP0 0x200
+#define EEPROM_TXPOWER_CALIB_GROUP1 0x240
+#define EEPROM_TXPOWER_CALIB_GROUP2 0x280
+#define EEPROM_TXPOWER_CALIB_GROUP3 0x2c0
+#define EEPROM_TXPOWER_CALIB_GROUP4 0x300
+#define IWL_NUM_TX_CALIB_GROUPS 5
+	struct iwl_eeprom_txpower_group groups[IWL_NUM_TX_CALIB_GROUPS];
+/* abs.ofs: 512 */
+#define EEPROM_CALIB_TEMPERATURE_CORRECT 0x340
+	struct iwl_eeprom_temperature_corr corrections;	/* abs.ofs: 832 */
+	u8 reserved16[172];	/* fill out to full 1024 byte block */
+
+/* 4965AGN adds fat channel support */
+#elif IWL == 4965
+
+	u8 reserved10[2];
+#define EEPROM_REGULATORY_BAND_24_FAT_CHANNELS (2*0xA0)	/* 14 bytes */
+	struct iwl_eeprom_channel band_24_channels[7];	/* abs.ofs: 320 */
+	u8 reserved11[2];
+#define EEPROM_REGULATORY_BAND_52_FAT_CHANNELS (2*0xA8)	/* 22 bytes */
+	struct iwl_eeprom_channel band_52_channels[11];	/* abs.ofs: 336 */
+	u8 reserved12[6];
+#define EEPROM_CALIB_VERSION_OFFSET            (2*0xB6)	/* 2 bytes */
+	u16 calib_version;	/* abs.ofs: 364 */
+	u8 reserved13[2];
+#define EEPROM_SATURATION_POWER_OFFSET         (2*0xB8)	/* 2 bytes */
+	u16 satruation_power;	/* abs.ofs: 368 */
+	u8 reserved14[94];
+#define EEPROM_IWL_CALIB_TXPOWER_OFFSET        (2*0xE8)	/* 48  bytes */
+	struct iwl_eeprom_calib_info calib_info;	/* abs.ofs: 464 */
+
+	u8 reserved16[140];	/* fill out to full 1024 byte block */
+
+#endif
+
+} __attribute__ ((packed));
+
+#define IWL_EEPROM_IMAGE_SIZE 1024
+
+#endif