| /****************************************************************************** |
| * |
| * 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 - 2008 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: |
| * Intel Linux Wireless <ilw@linux.intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| * BSD LICENSE |
| * |
| * Copyright(c) 2005 - 2008 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-3945-hw.h) only for hardware-related definitions. |
| * Please use iwl-3945-commands.h for uCode API definitions. |
| * Please use iwl-3945.h for driver implementation definitions. |
| */ |
| |
| #ifndef __iwl_3945_hw__ |
| #define __iwl_3945_hw__ |
| |
| /* |
| * uCode queue management definitions ... |
| * Queue #4 is the command queue for 3945 and 4965. |
| */ |
| #define IWL_CMD_QUEUE_NUM 4 |
| |
| /* Tx rates */ |
| #define IWL_CCK_RATES 4 |
| #define IWL_OFDM_RATES 8 |
| #define IWL_HT_RATES 0 |
| #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 95 |
| |
| /* |
| * 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 */ |
| |
| /* |
| * Regulatory channel usage flags in EEPROM struct iwl_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 3945 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 indicates that 20 MHz channel is supported; |
| * 3945 does not support FAT 40 MHz-wide channels. |
| * |
| * 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 */ |
| /* Bit 6 Reserved (was Narrow Channel) */ |
| 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) |
| #define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7) |
| |
| /* *regulatory* channel data from eeprom, one for each channel */ |
| struct iwl3945_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. |
| * DO NOT ALTER THIS STRUCTURE!!! |
| */ |
| struct iwl3945_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 iwl3945_eeprom_txpower_group { |
| struct iwl3945_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 iwl3945_eeprom_temperature_corr { |
| u32 Ta; |
| u32 Tb; |
| u32 Tc; |
| u32 Td; |
| u32 Te; |
| } __attribute__ ((packed)); |
| |
| /* |
| * EEPROM map |
| */ |
| struct iwl3945_eeprom { |
| u8 reserved0[16]; |
| u16 device_id; /* abs.ofs: 16 */ |
| u8 reserved1[2]; |
| u16 pmc; /* abs.ofs: 20 */ |
| u8 reserved2[20]; |
| u8 mac_address[6]; /* abs.ofs: 42 */ |
| u8 reserved3[58]; |
| u16 board_revision; /* abs.ofs: 106 */ |
| u8 reserved4[11]; |
| u8 board_pba_number[9]; /* abs.ofs: 119 */ |
| u8 reserved5[8]; |
| u16 version; /* abs.ofs: 136 */ |
| u8 sku_cap; /* abs.ofs: 138 */ |
| u8 leds_mode; /* abs.ofs: 139 */ |
| u16 oem_mode; |
| u16 wowlan_mode; /* abs.ofs: 142 */ |
| u16 leds_time_interval; /* abs.ofs: 144 */ |
| u8 leds_off_time; /* abs.ofs: 146 */ |
| u8 leds_on_time; /* abs.ofs: 147 */ |
| u8 almgor_m_version; /* abs.ofs: 148 */ |
| u8 antenna_switch_type; /* abs.ofs: 149 */ |
| u8 reserved6[42]; |
| 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 |
| */ |
| u16 band_1_count; /* abs.ofs: 196 */ |
| struct iwl3945_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) |
| */ |
| u16 band_2_count; /* abs.ofs: 226 */ |
| struct iwl3945_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) |
| */ |
| u16 band_3_count; /* abs.ofs: 254 */ |
| struct iwl3945_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) |
| */ |
| u16 band_4_count; /* abs.ofs: 280 */ |
| struct iwl3945_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */ |
| |
| /* |
| * 5.7 GHz channels 145, 149, 153, 157, 161, 165 |
| * (5725-5825MHz) |
| */ |
| u16 band_5_count; /* abs.ofs: 304 */ |
| struct iwl3945_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */ |
| |
| u8 reserved9[194]; |
| |
| /* |
| * 3945 Txpower calibration data. |
| */ |
| #define IWL_NUM_TX_CALIB_GROUPS 5 |
| struct iwl3945_eeprom_txpower_group groups[IWL_NUM_TX_CALIB_GROUPS]; |
| /* abs.ofs: 512 */ |
| struct iwl3945_eeprom_temperature_corr corrections; /* abs.ofs: 832 */ |
| u8 reserved16[172]; /* fill out to full 1024 byte block */ |
| } __attribute__ ((packed)); |
| |
| #define IWL_EEPROM_IMAGE_SIZE 1024 |
| |
| /* End of EEPROM */ |
| |
| |
| #include "iwl-3945-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) |
| |
| /*=== FH (data Flow Handler) ===*/ |
| #define FH_BASE (0x800) |
| |
| #define FH_CBCC_TABLE (FH_BASE+0x140) |
| #define FH_TFDB_TABLE (FH_BASE+0x180) |
| #define FH_RCSR_TABLE (FH_BASE+0x400) |
| #define FH_RSSR_TABLE (FH_BASE+0x4c0) |
| #define FH_TCSR_TABLE (FH_BASE+0x500) |
| #define FH_TSSR_TABLE (FH_BASE+0x680) |
| |
| /* TFDB (Transmit Frame Buffer Descriptor) */ |
| #define FH_TFDB(_channel, buf) \ |
| (FH_TFDB_TABLE+((_channel)*2+(buf))*0x28) |
| #define ALM_FH_TFDB_CHNL_BUF_CTRL_REG(_channel) \ |
| (FH_TFDB_TABLE + 0x50 * _channel) |
| /* CBCC _channel is [0,2] */ |
| #define FH_CBCC(_channel) (FH_CBCC_TABLE+(_channel)*0x8) |
| #define FH_CBCC_CTRL(_channel) (FH_CBCC(_channel)+0x00) |
| #define FH_CBCC_BASE(_channel) (FH_CBCC(_channel)+0x04) |
| |
| /* RCSR _channel is [0,2] */ |
| #define FH_RCSR(_channel) (FH_RCSR_TABLE+(_channel)*0x40) |
| #define FH_RCSR_CONFIG(_channel) (FH_RCSR(_channel)+0x00) |
| #define FH_RCSR_RBD_BASE(_channel) (FH_RCSR(_channel)+0x04) |
| #define FH_RCSR_WPTR(_channel) (FH_RCSR(_channel)+0x20) |
| #define FH_RCSR_RPTR_ADDR(_channel) (FH_RCSR(_channel)+0x24) |
| |
| #define FH_RSCSR_CHNL0_WPTR (FH_RCSR_WPTR(0)) |
| |
| /* RSSR */ |
| #define FH_RSSR_CTRL (FH_RSSR_TABLE+0x000) |
| #define FH_RSSR_STATUS (FH_RSSR_TABLE+0x004) |
| #define FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE (0x01000000) |
| /* 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) |
| |
| |
| /* DBM */ |
| |
| #define ALM_FH_SRVC_CHNL (6) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE (20) |
| #define ALM_FH_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH (4) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN (0x08000000) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE (0x80000000) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE (0x20000000) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128 (0x01000000) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST (0x00001000) |
| |
| #define ALM_FH_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH (0x00000000) |
| |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF (0x00000000) |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER (0x00000001) |
| |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL (0x00000000) |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008) |
| |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000) |
| |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT (0x00000000) |
| |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000) |
| #define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000) |
| |
| #define ALM_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00004000) |
| |
| #define ALM_FH_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR (0x00000001) |
| |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON (0xFF000000) |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON (0x00FF0000) |
| |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B (0x00000400) |
| |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON (0x00000100) |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON (0x00000080) |
| |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH (0x00000020) |
| #define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH (0x00000005) |
| |
| #define ALM_TB_MAX_BYTES_COUNT (0xFFF0) |
| |
| #define ALM_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_channel) \ |
| ((1LU << _channel) << 24) |
| #define ALM_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_channel) \ |
| ((1LU << _channel) << 16) |
| |
| #define ALM_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_channel) \ |
| (ALM_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_channel) | \ |
| ALM_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_channel)) |
| #define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */ |
| #define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */ |
| |
| #define TFD_QUEUE_MIN 0 |
| #define TFD_QUEUE_MAX 6 |
| #define TFD_QUEUE_SIZE_MAX (256) |
| |
| #define IWL_NUM_SCAN_RATES (2) |
| |
| #define IWL_DEFAULT_TX_RETRY 15 |
| |
| /*********************************************/ |
| |
| #define RFD_SIZE 4 |
| #define NUM_TFD_CHUNKS 4 |
| |
| #define RX_QUEUE_SIZE 256 |
| #define RX_QUEUE_MASK 255 |
| #define RX_QUEUE_SIZE_LOG 8 |
| |
| #define U32_PAD(n) ((4-(n))&0x3) |
| |
| #define TFD_CTL_COUNT_SET(n) (n << 24) |
| #define TFD_CTL_COUNT_GET(ctl) ((ctl >> 24) & 7) |
| #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 |