[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, 581 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
new file mode 100644
index 00000000000..99a19ef4c74
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
@@ -0,0 +1,581 @@
+/******************************************************************************
+ *
+ * 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_4965_hw_h__
+#define __iwl_4965_hw_h__
+
+#define IWL_RX_BUF_SIZE (4 * 1024)
+#define IWL_MAX_BSM_SIZE BSM_SRAM_SIZE
+#define KDR_RTC_INST_UPPER_BOUND		(0x018000)
+#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
+
+static inline int iwl_hw_valid_rtc_data_addr(u32 addr)
+{
+	return (addr >= RTC_DATA_LOWER_BOUND) &&
+	       (addr < KDR_RTC_DATA_UPPER_BOUND);
+}
+
+/********************* START TXPOWER *****************************************/
+enum {
+	HT_IE_EXT_CHANNEL_NONE = 0,
+	HT_IE_EXT_CHANNEL_ABOVE,
+	HT_IE_EXT_CHANNEL_INVALID,
+	HT_IE_EXT_CHANNEL_BELOW,
+	HT_IE_EXT_CHANNEL_MAX
+};
+
+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_ILLEGAL_TEMPERATURE (300)
+
+#define IWL_TX_POWER_TEMPERATURE_DIFFERENCE (2)
+
+#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 */
+
+/* timeout equivalent to 3 minutes */
+#define IWL_TX_POWER_TIMELIMIT_NOCALIB 1800000000
+
+#define IWL_TX_POWER_CCK_COMPENSATION (9)
+
+#define MIN_TX_GAIN_INDEX		(0)
+#define MIN_TX_GAIN_INDEX_52GHZ_EXT	(-9)
+#define MAX_TX_GAIN_INDEX_52GHZ		(98)
+#define MIN_TX_GAIN_52GHZ		(98)
+#define MAX_TX_GAIN_INDEX_24GHZ		(98)
+#define MIN_TX_GAIN_24GHZ		(98)
+#define MAX_TX_GAIN			(0)
+#define MAX_TX_GAIN_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)
+
+/* dv *0.4 = dt; so that 5 degrees temperature diff equals
+ * 12.5 in voltage diff */
+#define IWL_TX_TEMPERATURE_UPDATE_LIMIT 9
+
+#define IWL_INVALID_CHANNEL                 (0xffffffff)
+#define IWL_TX_POWER_REGITRY_BIT            (2)
+
+#define MIN_IWL_TX_POWER_CALIB_DUR          (100)
+#define IWL_CCK_FROM_OFDM_POWER_DIFF        (-5)
+#define IWL_CCK_FROM_OFDM_INDEX_DIFF (9)
+
+/* Number of entries in the gain table */
+#define POWER_GAIN_NUM_ENTRIES 78
+#define TX_POW_MAX_SESSION_NUM 5
+/*  timeout equivalent to 3 minutes */
+#define TX_IWL_TIMELIMIT_NOCALIB 1800000000
+
+/* Kedron TX_CALIB_STATES */
+#define IWL_TX_CALIB_STATE_SEND_TX        0x00000001
+#define IWL_TX_CALIB_WAIT_TX_RESPONSE     0x00000002
+#define IWL_TX_CALIB_ENABLED              0x00000004
+#define IWL_TX_CALIB_XVT_ON               0x00000008
+#define IWL_TX_CALIB_TEMPERATURE_CORRECT  0x00000010
+#define IWL_TX_CALIB_WORKING_WITH_XVT     0x00000020
+#define IWL_TX_CALIB_XVT_PERIODICAL       0x00000040
+
+#define NUM_IWL_TX_CALIB_SETTINS 5	/* Number of tx correction groups */
+
+#define IWL_MIN_POWER_IN_VP_TABLE 1	/* 0.5dBm multiplied by 2 */
+#define IWL_MAX_POWER_IN_VP_TABLE 40	/* 20dBm - multiplied by 2 (because
+					 * entries are for each 0.5dBm) */
+#define IWL_STEP_IN_VP_TABLE 1	/* 0.5dB - multiplied by 2 */
+#define IWL_NUM_POINTS_IN_VPTABLE \
+	(1 + IWL_MAX_POWER_IN_VP_TABLE - IWL_MIN_POWER_IN_VP_TABLE)
+
+#define MIN_TX_GAIN_INDEX         (0)
+#define MAX_TX_GAIN_INDEX_52GHZ   (98)
+#define MIN_TX_GAIN_52GHZ         (98)
+#define MAX_TX_GAIN_INDEX_24GHZ   (98)
+#define MIN_TX_GAIN_24GHZ         (98)
+#define MAX_TX_GAIN               (0)
+
+/* 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
+
+
+union iwl_tx_power_dual_stream {
+	struct {
+		u8 radio_tx_gain[2];
+		u8 dsp_predis_atten[2];
+	} s;
+	u32 dw;
+};
+
+/********************* END TXPOWER *****************************************/
+
+/* HT flags */
+#define RXON_FLG_CTRL_CHANNEL_LOC_POS		(22)
+#define RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK	__constant_cpu_to_le32(0x1<<22)
+
+#define RXON_FLG_HT_OPERATING_MODE_POS		(23)
+
+#define RXON_FLG_HT_PROT_MSK			__constant_cpu_to_le32(0x1<<23)
+#define RXON_FLG_FAT_PROT_MSK			__constant_cpu_to_le32(0x2<<23)
+
+#define RXON_FLG_CHANNEL_MODE_POS		(25)
+#define RXON_FLG_CHANNEL_MODE_MSK		__constant_cpu_to_le32(0x3<<25)
+#define RXON_FLG_CHANNEL_MODE_PURE_40_MSK	__constant_cpu_to_le32(0x1<<25)
+#define RXON_FLG_CHANNEL_MODE_MIXED_MSK		__constant_cpu_to_le32(0x2<<25)
+
+#define RXON_RX_CHAIN_DRIVER_FORCE_MSK		__constant_cpu_to_le16(0x1<<0)
+#define RXON_RX_CHAIN_VALID_MSK			__constant_cpu_to_le16(0x7<<1)
+#define RXON_RX_CHAIN_VALID_POS			(1)
+#define RXON_RX_CHAIN_FORCE_SEL_MSK		__constant_cpu_to_le16(0x7<<4)
+#define RXON_RX_CHAIN_FORCE_SEL_POS		(4)
+#define RXON_RX_CHAIN_FORCE_MIMO_SEL_MSK	__constant_cpu_to_le16(0x7<<7)
+#define RXON_RX_CHAIN_FORCE_MIMO_SEL_POS	(7)
+#define RXON_RX_CHAIN_CNT_MSK			__constant_cpu_to_le16(0x3<<10)
+#define RXON_RX_CHAIN_CNT_POS			(10)
+#define RXON_RX_CHAIN_MIMO_CNT_MSK		__constant_cpu_to_le16(0x3<<12)
+#define RXON_RX_CHAIN_MIMO_CNT_POS		(12)
+#define RXON_RX_CHAIN_MIMO_FORCE_MSK		__constant_cpu_to_le16(0x1<<14)
+#define RXON_RX_CHAIN_MIMO_FORCE_POS		(14)
+
+
+#define MCS_DUP_6M_PLCP 0x20
+
+/* OFDM HT rate masks */
+/* ***************************************** */
+#define R_MCS_6M_MSK 0x1
+#define R_MCS_12M_MSK 0x2
+#define R_MCS_18M_MSK 0x4
+#define R_MCS_24M_MSK 0x8
+#define R_MCS_36M_MSK 0x10
+#define R_MCS_48M_MSK 0x20
+#define R_MCS_54M_MSK 0x40
+#define R_MCS_60M_MSK 0x80
+#define R_MCS_12M_DUAL_MSK 0x100
+#define R_MCS_24M_DUAL_MSK 0x200
+#define R_MCS_36M_DUAL_MSK 0x400
+#define R_MCS_48M_DUAL_MSK 0x800
+
+#define is_legacy(tbl) (((tbl) == LQ_G) || ((tbl) == LQ_A))
+#define is_siso(tbl) (((tbl) == LQ_SISO))
+#define is_mimo(tbl) (((tbl) == LQ_MIMO))
+#define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl))
+#define is_a_band(tbl) (((tbl) == LQ_A))
+#define is_g_and(tbl) (((tbl) == LQ_G))
+
+/* 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_NUM                            (7)
+#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_MSG_CONFIG_REG	(IWL_FH_TSSR_LOWER_BOUND + 0x008)
+#define IWL_FH_TSSR_TX_STATUS_REG	(IWL_FH_TSSR_LOWER_BOUND + 0x010)
+
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON	(0xFF000000)
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON	(0x00FF0000)
+
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_64B	(0x00000000)
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B	(0x00000400)
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_256B	(0x00000800)
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_512B	(0x00000C00)
+
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON	(0x00000100)
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON	(0x00000080)
+
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH	(0x00000020)
+#define IWL_FH_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH		(0x00000005)
+
+#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))
+
+/* TCSR: tx_config register values */
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF              (0x00000000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER           (0x00000001)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_ARC              (0x00000002)
+
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL    (0x00000000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL     (0x00000008)
+
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_NOINT           (0x00000000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD          (0x00100000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD           (0x00200000)
+
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT            (0x00000000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_ENDTFD           (0x00400000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_IFTFD            (0x00800000)
+
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE            (0x00000000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE_EOF        (0x40000000)
+#define IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE           (0x80000000)
+
+#define IWL_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_EMPTY          (0x00000000)
+#define IWL_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_WAIT           (0x00002000)
+#define IWL_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID          (0x00000003)
+
+#define IWL_FH_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR           (0x00000001)
+
+#define IWL_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM              (20)
+#define IWL_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX              (12)
+
+/* RCSR:  channel 0 rx_config register defines */
+#define FH_RCSR_CHNL0_RX_CONFIG_DMA_CHNL_EN_MASK  (0xC0000000) /* bits 30-31 */
+#define FH_RCSR_CHNL0_RX_CONFIG_RBDBC_SIZE_MASK   (0x00F00000) /* bits 20-23 */
+#define FH_RCSR_CHNL0_RX_CONFIG_RB_SIZE_MASK	  (0x00030000) /* bits 16-17 */
+#define FH_RCSR_CHNL0_RX_CONFIG_SINGLE_FRAME_MASK (0x00008000) /* bit 15 */
+#define FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_MASK     (0x00001000) /* bit 12 */
+#define FH_RCSR_CHNL0_RX_CONFIG_RB_TIMEOUT_MASK   (0x00000FF0) /* bit 4-11 */
+
+#define FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT       (20)
+#define FH_RCSR_RX_CONFIG_RB_SIZE_BITSHIFT			(16)
+
+/* RCSR: rx_config register values */
+#define FH_RCSR_RX_CONFIG_CHNL_EN_PAUSE_VAL         (0x00000000)
+#define FH_RCSR_RX_CONFIG_CHNL_EN_PAUSE_EOF_VAL     (0x40000000)
+#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_NO_INT_VAL       (0x00000000)
+#define FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL     (0x00001000)
+
+/* RSCSR: defs used in normal mode */
+#define FH_RSCSR_CHNL0_RBDCB_WPTR_MASK		(0x00000FFF)	/* bits 0-11 */
+
+#define SCD_WIN_SIZE				64
+#define SCD_FRAME_LIMIT				64
+
+/* memory mapped registers */
+#define SCD_START_OFFSET		0xa02c00
+
+#define SCD_SRAM_BASE_ADDR           (SCD_START_OFFSET + 0x0)
+#define SCD_EMPTY_BITS               (SCD_START_OFFSET + 0x4)
+#define SCD_DRAM_BASE_ADDR           (SCD_START_OFFSET + 0x10)
+#define SCD_AIT                      (SCD_START_OFFSET + 0x18)
+#define SCD_TXFACT                   (SCD_START_OFFSET + 0x1c)
+#define SCD_QUEUE_WRPTR(x)           (SCD_START_OFFSET + 0x24 + (x) * 4)
+#define SCD_QUEUE_RDPTR(x)           (SCD_START_OFFSET + 0x64 + (x) * 4)
+#define SCD_SETQUEUENUM              (SCD_START_OFFSET + 0xa4)
+#define SCD_SET_TXSTAT_TXED          (SCD_START_OFFSET + 0xa8)
+#define SCD_SET_TXSTAT_DONE          (SCD_START_OFFSET + 0xac)
+#define SCD_SET_TXSTAT_NOT_SCHD      (SCD_START_OFFSET + 0xb0)
+#define SCD_DECREASE_CREDIT          (SCD_START_OFFSET + 0xb4)
+#define SCD_DECREASE_SCREDIT         (SCD_START_OFFSET + 0xb8)
+#define SCD_LOAD_CREDIT              (SCD_START_OFFSET + 0xbc)
+#define SCD_LOAD_SCREDIT             (SCD_START_OFFSET + 0xc0)
+#define SCD_BAR                      (SCD_START_OFFSET + 0xc4)
+#define SCD_BAR_DW0                  (SCD_START_OFFSET + 0xc8)
+#define SCD_BAR_DW1                  (SCD_START_OFFSET + 0xcc)
+#define SCD_QUEUECHAIN_SEL           (SCD_START_OFFSET + 0xd0)
+#define SCD_QUERY_REQ                (SCD_START_OFFSET + 0xd8)
+#define SCD_QUERY_RES                (SCD_START_OFFSET + 0xdc)
+#define SCD_PENDING_FRAMES           (SCD_START_OFFSET + 0xe0)
+#define SCD_INTERRUPT_MASK           (SCD_START_OFFSET + 0xe4)
+#define SCD_INTERRUPT_THRESHOLD      (SCD_START_OFFSET + 0xe8)
+#define SCD_QUERY_MIN_FRAME_SIZE     (SCD_START_OFFSET + 0x100)
+#define SCD_QUEUE_STATUS_BITS(x)     (SCD_START_OFFSET + 0x104 + (x) * 4)
+
+/* 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_MODE_REG_BIT_SEARCH_MODE		(1<<0)
+#define SCD_MODE_REG_BIT_SBYP_MODE		(1<<1)
+
+#define SCD_TXFIFO_POS_TID			(0)
+#define SCD_TXFIFO_POS_RA			(4)
+#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_RA_TID_MAP_RATID_MSK		(0x01FF)
+
+#define SCD_QUEUE_CTX_REG1_WIN_SIZE_POS		(0)
+#define SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK		(0x0000007F)
+#define SCD_QUEUE_CTX_REG1_CREDIT_POS		(8)
+#define SCD_QUEUE_CTX_REG1_CREDIT_MSK		(0x00FFFF00)
+#define SCD_QUEUE_CTX_REG1_SUPER_CREDIT_POS	(24)
+#define SCD_QUEUE_CTX_REG1_SUPER_CREDIT_MSK	(0xFF000000)
+#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)
+
+static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
+{
+	return le32_to_cpu(rate_n_flags) & 0xFF;
+}
+static inline u16 iwl_hw_get_rate_n_flags(__le32 rate_n_flags)
+{
+	return le32_to_cpu(rate_n_flags) & 0xFFFF;
+}
+static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u16 flags)
+{
+	return cpu_to_le32(flags|(u16)rate);
+}
+
+struct iwl_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 iwl_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 iwl_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 iwl_shared is provided to SCD_DRAM_BASE_ADDR
+ * and &iwl_shared.val0 is provided to FH_RSCSR_CHNL0_STTS_WPTR_REG */
+struct iwl_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 /* __iwl_4965_hw_h__ */