/****************************************************************************** * * 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: * James P. Ketrenos * 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 */ #define IWL_EEPROM_ACCESS_DELAY 10 /* 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 */ 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) #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) /* SCD (3945 Tx Frame Scheduler) */ #define SCD_BASE (CSR_BASE + 0x2E00) #define SCD_MODE_REG (SCD_BASE + 0x000) #define SCD_ARASTAT_REG (SCD_BASE + 0x004) #define SCD_TXFACT_REG (SCD_BASE + 0x010) #define SCD_TXF4MF_REG (SCD_BASE + 0x014) #define SCD_TXF5MF_REG (SCD_BASE + 0x020) #define SCD_SBYP_MODE_1_REG (SCD_BASE + 0x02C) #define SCD_SBYP_MODE_2_REG (SCD_BASE + 0x030) /*=== 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) /* 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