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freebsd-skq/sys/dev/iwi/if_iwireg.h
damien a920304891 Load firmware images directly from the filesystem (looks into /etc/firmware 
directory by default) without requiring the user to load them by hand using
e.g iwicontrol.  Get rid of the old ioctl crud.
Updated iwi-firmware port coming soon.

Obtained from:	OpenBSD
2005-11-19 16:54:55 +00:00

481 lines
13 KiB
C
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/* $FreeBSD$ */
/*-
* Copyright (c) 2004, 2005
* Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#define IWI_CMD_RING_COUNT 16
#define IWI_TX_RING_COUNT 64
#define IWI_RX_RING_COUNT 32
#define IWI_TX_DESC_SIZE (sizeof (struct iwi_tx_desc))
#define IWI_CMD_DESC_SIZE (sizeof (struct iwi_cmd_desc))
#define IWI_CSR_INTR 0x0008
#define IWI_CSR_INTR_MASK 0x000c
#define IWI_CSR_INDIRECT_ADDR 0x0010
#define IWI_CSR_INDIRECT_DATA 0x0014
#define IWI_CSR_AUTOINC_ADDR 0x0018
#define IWI_CSR_AUTOINC_DATA 0x001c
#define IWI_CSR_RST 0x0020
#define IWI_CSR_CTL 0x0024
#define IWI_CSR_IO 0x0030
#define IWI_CSR_CMD_BASE 0x0200
#define IWI_CSR_CMD_SIZE 0x0204
#define IWI_CSR_TX1_BASE 0x0208
#define IWI_CSR_TX1_SIZE 0x020c
#define IWI_CSR_TX2_BASE 0x0210
#define IWI_CSR_TX2_SIZE 0x0214
#define IWI_CSR_TX3_BASE 0x0218
#define IWI_CSR_TX3_SIZE 0x021c
#define IWI_CSR_TX4_BASE 0x0220
#define IWI_CSR_TX4_SIZE 0x0224
#define IWI_CSR_CMD_RIDX 0x0280
#define IWI_CSR_TX1_RIDX 0x0284
#define IWI_CSR_TX2_RIDX 0x0288
#define IWI_CSR_TX3_RIDX 0x028c
#define IWI_CSR_TX4_RIDX 0x0290
#define IWI_CSR_RX_RIDX 0x02a0
#define IWI_CSR_RX_BASE 0x0500
#define IWI_CSR_TABLE0_SIZE 0x0700
#define IWI_CSR_TABLE0_BASE 0x0704
#define IWI_CSR_NODE_BASE 0x0c0c
#define IWI_CSR_CMD_WIDX 0x0f80
#define IWI_CSR_TX1_WIDX 0x0f84
#define IWI_CSR_TX2_WIDX 0x0f88
#define IWI_CSR_TX3_WIDX 0x0f8c
#define IWI_CSR_TX4_WIDX 0x0f90
#define IWI_CSR_RX_WIDX 0x0fa0
#define IWI_CSR_READ_INT 0x0ff4
/* aliases */
#define IWI_CSR_CURRENT_TX_RATE IWI_CSR_TABLE0_BASE
/* flags for IWI_CSR_INTR */
#define IWI_INTR_RX_DONE 0x00000002
#define IWI_INTR_CMD_DONE 0x00000800
#define IWI_INTR_TX1_DONE 0x00001000
#define IWI_INTR_TX2_DONE 0x00002000
#define IWI_INTR_TX3_DONE 0x00004000
#define IWI_INTR_TX4_DONE 0x00008000
#define IWI_INTR_FW_INITED 0x01000000
#define IWI_INTR_RADIO_OFF 0x04000000
#define IWI_INTR_FATAL_ERROR 0x40000000
#define IWI_INTR_PARITY_ERROR 0x80000000
#define IWI_INTR_MASK \
(IWI_INTR_RX_DONE | IWI_INTR_CMD_DONE | IWI_INTR_TX1_DONE | \
IWI_INTR_TX2_DONE | IWI_INTR_TX3_DONE | IWI_INTR_TX4_DONE | \
IWI_INTR_FW_INITED | IWI_INTR_RADIO_OFF | \
IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)
/* flags for IWI_CSR_RST */
#define IWI_RST_PRINCETON_RESET 0x00000001
#define IWI_RST_SOFT_RESET 0x00000080
#define IWI_RST_MASTER_DISABLED 0x00000100
#define IWI_RST_STOP_MASTER 0x00000200
/* flags for IWI_CSR_CTL */
#define IWI_CTL_CLOCK_READY 0x00000001
#define IWI_CTL_ALLOW_STANDBY 0x00000002
#define IWI_CTL_INIT 0x00000004
/* flags for IWI_CSR_IO */
#define IWI_IO_RADIO_ENABLED 0x00010000
/* flags for IWI_CSR_READ_INT */
#define IWI_READ_INT_INIT_HOST 0x20000000
/* constants for command blocks */
#define IWI_CB_DEFAULT_CTL 0x8cea0000
#define IWI_CB_MAXDATALEN 8191
/* supported rates */
#define IWI_RATE_DS1 10
#define IWI_RATE_DS2 20
#define IWI_RATE_DS5 55
#define IWI_RATE_DS11 110
#define IWI_RATE_OFDM6 13
#define IWI_RATE_OFDM9 15
#define IWI_RATE_OFDM12 5
#define IWI_RATE_OFDM18 7
#define IWI_RATE_OFDM24 9
#define IWI_RATE_OFDM36 11
#define IWI_RATE_OFDM48 1
#define IWI_RATE_OFDM54 3
/* firmware binary image header */
struct iwi_firmware_hdr {
uint32_t version;
uint32_t mode;
} __packed;
struct iwi_hdr {
uint8_t type;
#define IWI_HDR_TYPE_DATA 0
#define IWI_HDR_TYPE_COMMAND 1
#define IWI_HDR_TYPE_NOTIF 3
#define IWI_HDR_TYPE_FRAME 9
uint8_t seq;
uint8_t flags;
#define IWI_HDR_FLAG_IRQ 0x04
uint8_t reserved;
} __packed;
struct iwi_notif {
uint32_t reserved[2];
uint8_t type;
#define IWI_NOTIF_TYPE_ASSOCIATION 10
#define IWI_NOTIF_TYPE_AUTHENTICATION 11
#define IWI_NOTIF_TYPE_SCAN_CHANNEL 12
#define IWI_NOTIF_TYPE_SCAN_COMPLETE 13
#define IWI_NOTIF_TYPE_BEACON 17
#define IWI_NOTIF_TYPE_CALIBRATION 20
#define IWI_NOTIF_TYPE_NOISE 25
uint8_t flags;
uint16_t len;
} __packed;
/* structure for notification IWI_NOTIF_TYPE_AUTHENTICATION */
struct iwi_notif_authentication {
uint8_t state;
#define IWI_DEAUTHENTICATED 0
#define IWI_AUTHENTICATED 9
} __packed;
/* structure for notification IWI_NOTIF_TYPE_ASSOCIATION */
struct iwi_notif_association {
uint8_t state;
#define IWI_DEASSOCIATED 0
#define IWI_ASSOCIATED 12
struct ieee80211_frame frame;
uint16_t capinfo;
uint16_t status;
uint16_t associd;
} __packed;
/* structure for notification IWI_NOTIF_TYPE_SCAN_CHANNEL */
struct iwi_notif_scan_channel {
uint8_t nchan;
uint8_t reserved[47];
} __packed;
/* structure for notification IWI_NOTIF_TYPE_SCAN_COMPLETE */
struct iwi_notif_scan_complete {
uint8_t type;
uint8_t nchan;
uint8_t status;
uint8_t reserved;
} __packed;
/* received frame header */
struct iwi_frame {
uint32_t reserved1[2];
uint8_t chan;
uint8_t status;
uint8_t rate;
uint8_t rssi;
uint8_t agc;
uint8_t rssi_dbm;
uint16_t signal;
uint16_t noise;
uint8_t antenna;
uint8_t control;
uint8_t reserved2[2];
uint16_t len;
} __packed;
/* header for transmission */
struct iwi_tx_desc {
struct iwi_hdr hdr;
uint32_t reserved1;
uint8_t station;
uint8_t reserved2[3];
uint8_t cmd;
#define IWI_DATA_CMD_TX 0x0b
uint8_t seq;
uint16_t len;
uint8_t priority;
uint8_t flags;
#define IWI_DATA_FLAG_SHPREAMBLE 0x04
#define IWI_DATA_FLAG_NO_WEP 0x20
#define IWI_DATA_FLAG_NEED_ACK 0x80
uint8_t xflags;
#define IWI_DATA_XFLAG_QOS 0x10
uint8_t wep_txkey;
uint8_t wepkey[IEEE80211_KEYBUF_SIZE];
uint8_t rate;
uint8_t antenna;
uint8_t reserved3[10];
struct ieee80211_qosframe_addr4 wh;
uint32_t iv;
uint32_t eiv;
uint32_t nseg;
#define IWI_MAX_NSEG 6
uint32_t seg_addr[IWI_MAX_NSEG];
uint16_t seg_len[IWI_MAX_NSEG];
} __packed;
/* command */
struct iwi_cmd_desc {
struct iwi_hdr hdr;
uint8_t type;
#define IWI_CMD_ENABLE 2
#define IWI_CMD_SET_CONFIG 6
#define IWI_CMD_SET_ESSID 8
#define IWI_CMD_SET_MAC_ADDRESS 11
#define IWI_CMD_SET_RTS_THRESHOLD 15
#define IWI_CMD_SET_FRAG_THRESHOLD 16
#define IWI_CMD_SET_POWER_MODE 17
#define IWI_CMD_SET_WEP_KEY 18
#define IWI_CMD_ASSOCIATE 21
#define IWI_CMD_SET_RATES 22
#define IWI_CMD_ABORT_SCAN 23
#define IWI_CMD_SET_WME_PARAMS 25
#define IWI_CMD_SCAN 26
#define IWI_CMD_SET_OPTIE 31
#define IWI_CMD_DISABLE 33
#define IWI_CMD_SET_IV 34
#define IWI_CMD_SET_TX_POWER 35
#define IWI_CMD_SET_SENSITIVITY 42
#define IWI_CMD_SET_WMEIE 84
uint8_t len;
uint16_t reserved;
uint8_t data[120];
} __packed;
/* node information (IBSS) */
struct iwi_ibssnode {
uint8_t bssid[IEEE80211_ADDR_LEN];
uint8_t reserved[2];
} __packed;
/* constants for 'mode' fields */
#define IWI_MODE_11A 0
#define IWI_MODE_11B 1
#define IWI_MODE_11G 2
/* possible values for command IWI_CMD_SET_POWER_MODE */
#define IWI_POWER_MODE_CAM 0
/* structure for command IWI_CMD_SET_RATES */
struct iwi_rateset {
uint8_t mode;
uint8_t nrates;
uint8_t type;
#define IWI_RATESET_TYPE_NEGOTIATED 0
#define IWI_RATESET_TYPE_SUPPORTED 1
uint8_t reserved;
uint8_t rates[12];
} __packed;
/* structure for command IWI_CMD_SET_TX_POWER */
struct iwi_txpower {
uint8_t nchan;
uint8_t mode;
struct {
uint8_t chan;
uint8_t power;
#define IWI_TXPOWER_MAX 20
#define IWI_TXPOWER_RATIO (IEEE80211_TXPOWER_MAX / IWI_TXPOWER_MAX)
} __packed chan[37];
} __packed;
/* structure for command IWI_CMD_ASSOCIATE */
struct iwi_associate {
uint8_t chan;
uint8_t auth;
#define IWI_AUTH_OPEN 0
#define IWI_AUTH_SHARED 1
#define IWI_AUTH_NONE 3
uint8_t type;
uint8_t reserved1;
uint16_t policy;
#define IWI_POLICY_WME 1
#define IWI_POLICY_WPA 2
uint8_t plen;
uint8_t mode;
uint8_t bssid[IEEE80211_ADDR_LEN];
uint8_t tstamp[8];
uint16_t capinfo;
uint16_t lintval;
uint16_t intval;
uint8_t dst[IEEE80211_ADDR_LEN];
uint32_t reserved3;
uint16_t reserved4;
} __packed;
/* structure for command IWI_CMD_SCAN */
struct iwi_scan {
uint32_t index;
uint8_t channels[54];
#define IWI_CHAN_5GHZ (0 << 6)
#define IWI_CHAN_2GHZ (1 << 6)
uint8_t type[26];
#define IWI_SCAN_TYPE_PASSIVE 0x11
#define IWI_SCAN_TYPE_DIRECTED 0x22
#define IWI_SCAN_TYPE_BROADCAST 0x33
#define IWI_SCAN_TYPE_BDIRECTED 0x44
uint8_t reserved1[2];
uint16_t reserved2;
uint16_t passive; /* dwell time */
uint16_t directed; /* dwell time */
uint16_t broadcast; /* dwell time */
uint16_t bdirected; /* dwell time */
} __packed;
/* structure for command IWI_CMD_SET_CONFIG */
struct iwi_configuration {
uint8_t bluetooth_coexistence;
uint8_t reserved1;
uint8_t answer_pbreq;
uint8_t allow_invalid_frames;
uint8_t multicast_enabled;
uint8_t drop_unicast_unencrypted;
uint8_t disable_unicast_decryption;
uint8_t drop_multicast_unencrypted;
uint8_t disable_multicast_decryption;
uint8_t antenna;
uint8_t reserved2;
uint8_t use_protection;
uint8_t protection_ctsonly;
uint8_t enable_multicast_filtering;
uint8_t bluetooth_threshold;
uint8_t reserved4;
uint8_t allow_beacon_and_probe_resp;
uint8_t allow_mgt;
uint8_t noise_reported;
uint8_t reserved5;
} __packed;
/* structure for command IWI_CMD_SET_WEP_KEY */
struct iwi_wep_key {
uint8_t cmd;
#define IWI_WEP_KEY_CMD_SETKEY 0x08
uint8_t seq;
uint8_t idx;
uint8_t len;
uint8_t key[IEEE80211_KEYBUF_SIZE];
} __packed;
/* structure for command IWI_CMD_SET_WME_PARAMS */
struct iwi_wme_params {
uint16_t cwmin[WME_NUM_AC];
uint16_t cwmax[WME_NUM_AC];
uint8_t aifsn[WME_NUM_AC];
uint8_t acm[WME_NUM_AC];
uint16_t burst[WME_NUM_AC];
} __packed;
#define IWI_MEM_EEPROM_CTL 0x00300040
#define IWI_EEPROM_MAC 0x21
#define IWI_EEPROM_DELAY 1 /* minimum hold time (microsecond) */
#define IWI_EEPROM_C (1 << 0) /* Serial Clock */
#define IWI_EEPROM_S (1 << 1) /* Chip Select */
#define IWI_EEPROM_D (1 << 2) /* Serial data input */
#define IWI_EEPROM_Q (1 << 4) /* Serial data output */
#define IWI_EEPROM_SHIFT_D 2
#define IWI_EEPROM_SHIFT_Q 4
/*
* control and status registers access macros
*/
#define CSR_READ_1(sc, reg) \
bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_2(sc, reg) \
bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_4(sc, reg) \
bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_REGION_4(sc, offset, datap, count) \
bus_space_read_region_4((sc)->sc_st, (sc)->sc_sh, (offset), \
(datap), (count))
#define CSR_WRITE_1(sc, reg, val) \
bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_REGION_1(sc, offset, datap, count) \
bus_space_write_region_1((sc)->sc_st, (sc)->sc_sh, (offset), \
(datap), (count))
/*
* indirect memory space access macros
*/
#define MEM_WRITE_1(sc, addr, val) do { \
CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)); \
CSR_WRITE_1((sc), IWI_CSR_INDIRECT_DATA, (val)); \
} while (/* CONSTCOND */0)
#define MEM_WRITE_2(sc, addr, val) do { \
CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)); \
CSR_WRITE_2((sc), IWI_CSR_INDIRECT_DATA, (val)); \
} while (/* CONSTCOND */0)
#define MEM_WRITE_4(sc, addr, val) do { \
CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)); \
CSR_WRITE_4((sc), IWI_CSR_INDIRECT_DATA, (val)); \
} while (/* CONSTCOND */0)
#define MEM_WRITE_MULTI_1(sc, addr, buf, len) do { \
CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)); \
CSR_WRITE_MULTI_1((sc), IWI_CSR_INDIRECT_DATA, (buf), (len)); \
} while (/* CONSTCOND */0)
/*
* EEPROM access macro
*/
#define IWI_EEPROM_CTL(sc, val) do { \
MEM_WRITE_4((sc), IWI_MEM_EEPROM_CTL, (val)); \
DELAY(IWI_EEPROM_DELAY); \
} while (/* CONSTCOND */0)
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