diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800.h | 202 |
1 files changed, 188 insertions, 14 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index 2aa03751c341..eb8b6cab9925 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -1,5 +1,6 @@ /* - Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> + Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com> + Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> @@ -63,7 +64,6 @@ */ #define REV_RT2860C 0x0100 #define REV_RT2860D 0x0101 -#define REV_RT2870D 0x0101 #define REV_RT2872E 0x0200 #define REV_RT3070E 0x0200 #define REV_RT3070F 0x0201 @@ -75,7 +75,7 @@ * Signal information. * Default offset is required for RSSI <-> dBm conversion. */ -#define DEFAULT_RSSI_OFFSET 120 /* FIXME */ +#define DEFAULT_RSSI_OFFSET 120 /* * Register layout information. @@ -99,6 +99,21 @@ */ /* + * E2PROM_CSR: PCI EEPROM control register. + * RELOAD: Write 1 to reload eeprom content. + * TYPE: 0: 93c46, 1:93c66. + * LOAD_STATUS: 1:loading, 0:done. + */ +#define E2PROM_CSR 0x0004 +#define E2PROM_CSR_DATA_CLOCK FIELD32(0x00000001) +#define E2PROM_CSR_CHIP_SELECT FIELD32(0x00000002) +#define E2PROM_CSR_DATA_IN FIELD32(0x00000004) +#define E2PROM_CSR_DATA_OUT FIELD32(0x00000008) +#define E2PROM_CSR_TYPE FIELD32(0x00000030) +#define E2PROM_CSR_LOAD_STATUS FIELD32(0x00000040) +#define E2PROM_CSR_RELOAD FIELD32(0x00000080) + +/* * OPT_14: Unknown register used by rt3xxx devices. */ #define OPT_14_CSR 0x0114 @@ -322,6 +337,39 @@ #define RX_DRX_IDX 0x029c /* + * USB_DMA_CFG + * RX_BULK_AGG_TIMEOUT: Rx Bulk Aggregation TimeOut in unit of 33ns. + * RX_BULK_AGG_LIMIT: Rx Bulk Aggregation Limit in unit of 256 bytes. + * PHY_CLEAR: phy watch dog enable. + * TX_CLEAR: Clear USB DMA TX path. + * TXOP_HALT: Halt TXOP count down when TX buffer is full. + * RX_BULK_AGG_EN: Enable Rx Bulk Aggregation. + * RX_BULK_EN: Enable USB DMA Rx. + * TX_BULK_EN: Enable USB DMA Tx. + * EP_OUT_VALID: OUT endpoint data valid. + * RX_BUSY: USB DMA RX FSM busy. + * TX_BUSY: USB DMA TX FSM busy. + */ +#define USB_DMA_CFG 0x02a0 +#define USB_DMA_CFG_RX_BULK_AGG_TIMEOUT FIELD32(0x000000ff) +#define USB_DMA_CFG_RX_BULK_AGG_LIMIT FIELD32(0x0000ff00) +#define USB_DMA_CFG_PHY_CLEAR FIELD32(0x00010000) +#define USB_DMA_CFG_TX_CLEAR FIELD32(0x00080000) +#define USB_DMA_CFG_TXOP_HALT FIELD32(0x00100000) +#define USB_DMA_CFG_RX_BULK_AGG_EN FIELD32(0x00200000) +#define USB_DMA_CFG_RX_BULK_EN FIELD32(0x00400000) +#define USB_DMA_CFG_TX_BULK_EN FIELD32(0x00800000) +#define USB_DMA_CFG_EP_OUT_VALID FIELD32(0x3f000000) +#define USB_DMA_CFG_RX_BUSY FIELD32(0x40000000) +#define USB_DMA_CFG_TX_BUSY FIELD32(0x80000000) + +/* + * US_CYC_CNT + */ +#define US_CYC_CNT 0x02a4 +#define US_CYC_CNT_CLOCK_CYCLE FIELD32(0x000000ff) + +/* * PBF_SYS_CTRL * HOST_RAM_WRITE: enable Host program ram write selection */ @@ -592,6 +640,18 @@ #define LED_CFG_LED_POLAR FIELD32(0x40000000) /* + * AMPDU_BA_WINSIZE: Force BlockAck window size + * FORCE_WINSIZE_ENABLE: + * 0: Disable forcing of BlockAck window size + * 1: Enable forcing of BlockAck window size, overwrites values BlockAck + * window size values in the TXWI + * FORCE_WINSIZE: BlockAck window size + */ +#define AMPDU_BA_WINSIZE 0x1040 +#define AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE FIELD32(0x00000020) +#define AMPDU_BA_WINSIZE_FORCE_WINSIZE FIELD32(0x0000001f) + +/* * XIFS_TIME_CFG: MAC timing * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX @@ -651,8 +711,14 @@ /* * TBTT_SYNC_CFG: + * BCN_AIFSN: Beacon AIFSN after TBTT interrupt in slots + * BCN_CWMIN: Beacon CWMin after TBTT interrupt in slots */ #define TBTT_SYNC_CFG 0x1118 +#define TBTT_SYNC_CFG_TBTT_ADJUST FIELD32(0x000000ff) +#define TBTT_SYNC_CFG_BCN_EXP_WIN FIELD32(0x0000ff00) +#define TBTT_SYNC_CFG_BCN_AIFSN FIELD32(0x000f0000) +#define TBTT_SYNC_CFG_BCN_CWMIN FIELD32(0x00f00000) /* * TSF_TIMER_DW0: Local lsb TSF timer, read-only @@ -672,26 +738,37 @@ #define TBTT_TIMER 0x1124 /* - * INT_TIMER_CFG: + * INT_TIMER_CFG: timer configuration + * PRE_TBTT_TIMER: leadtime to tbtt for pretbtt interrupt in units of 1/16 TU + * GP_TIMER: period of general purpose timer in units of 1/16 TU */ #define INT_TIMER_CFG 0x1128 +#define INT_TIMER_CFG_PRE_TBTT_TIMER FIELD32(0x0000ffff) +#define INT_TIMER_CFG_GP_TIMER FIELD32(0xffff0000) /* * INT_TIMER_EN: GP-timer and pre-tbtt Int enable */ #define INT_TIMER_EN 0x112c +#define INT_TIMER_EN_PRE_TBTT_TIMER FIELD32(0x00000001) +#define INT_TIMER_EN_GP_TIMER FIELD32(0x00000002) /* - * CH_IDLE_STA: channel idle time + * CH_IDLE_STA: channel idle time (in us) */ #define CH_IDLE_STA 0x1130 /* - * CH_BUSY_STA: channel busy time + * CH_BUSY_STA: channel busy time on primary channel (in us) */ #define CH_BUSY_STA 0x1134 /* + * CH_BUSY_STA_SEC: channel busy time on secondary channel in HT40 mode (in us) + */ +#define CH_BUSY_STA_SEC 0x1138 + +/* * MAC_STATUS_CFG: * BBP_RF_BUSY: When set to 0, BBP and RF are stable. * if 1 or higher one of the 2 registers is busy. @@ -756,6 +833,18 @@ #define EDCA_TID_AC_MAP 0x1310 /* + * TX_PWR_CFG: + */ +#define TX_PWR_CFG_RATE0 FIELD32(0x0000000f) +#define TX_PWR_CFG_RATE1 FIELD32(0x000000f0) +#define TX_PWR_CFG_RATE2 FIELD32(0x00000f00) +#define TX_PWR_CFG_RATE3 FIELD32(0x0000f000) +#define TX_PWR_CFG_RATE4 FIELD32(0x000f0000) +#define TX_PWR_CFG_RATE5 FIELD32(0x00f00000) +#define TX_PWR_CFG_RATE6 FIELD32(0x0f000000) +#define TX_PWR_CFG_RATE7 FIELD32(0xf0000000) + +/* * TX_PWR_CFG_0: */ #define TX_PWR_CFG_0 0x1314 @@ -1253,11 +1342,34 @@ #define TX_STA_CNT2_TX_UNDER_FLOW_COUNT FIELD32(0xffff0000) /* - * TX_STA_FIFO: TX Result for specific PID status fifo register + * TX_STA_FIFO: TX Result for specific PID status fifo register. + * + * This register is implemented as FIFO with 16 entries in the HW. Each + * register read fetches the next tx result. If the FIFO is full because + * it wasn't read fast enough after the according interrupt (TX_FIFO_STATUS) + * triggered, the hw seems to simply drop further tx results. + * + * VALID: 1: this tx result is valid + * 0: no valid tx result -> driver should stop reading + * PID_TYPE: The PID latched from the PID field in the TXWI, can be used + * to match a frame with its tx result (even though the PID is + * only 4 bits wide). + * PID_QUEUE: Part of PID_TYPE, this is the queue index number (0-3) + * PID_ENTRY: Part of PID_TYPE, this is the queue entry index number (1-3) + * This identification number is calculated by ((idx % 3) + 1). + * TX_SUCCESS: Indicates tx success (1) or failure (0) + * TX_AGGRE: Indicates if the frame was part of an aggregate (1) or not (0) + * TX_ACK_REQUIRED: Indicates if the frame needed to get ack'ed (1) or not (0) + * WCID: The wireless client ID. + * MCS: The tx rate used during the last transmission of this frame, be it + * successful or not. + * PHYMODE: The phymode used for the transmission. */ #define TX_STA_FIFO 0x1718 #define TX_STA_FIFO_VALID FIELD32(0x00000001) #define TX_STA_FIFO_PID_TYPE FIELD32(0x0000001e) +#define TX_STA_FIFO_PID_QUEUE FIELD32(0x00000006) +#define TX_STA_FIFO_PID_ENTRY FIELD32(0x00000018) #define TX_STA_FIFO_TX_SUCCESS FIELD32(0x00000020) #define TX_STA_FIFO_TX_AGGRE FIELD32(0x00000040) #define TX_STA_FIFO_TX_ACK_REQUIRED FIELD32(0x00000080) @@ -1340,6 +1452,24 @@ /* * Security key table memory. + * + * The pairwise key table shares some memory with the beacon frame + * buffers 6 and 7. That basically means that when beacon 6 & 7 + * are used we should only use the reduced pairwise key table which + * has a maximum of 222 entries. + * + * --------------------------------------------- + * |0x4000 | Pairwise Key | Reduced Pairwise | + * | | Table | Key Table | + * | | Size: 256 * 32 | Size: 222 * 32 | + * |0x5BC0 | |------------------- + * | | | Beacon 6 | + * |0x5DC0 | |------------------- + * | | | Beacon 7 | + * |0x5FC0 | |------------------- + * |0x5FFF | | + * -------------------------- + * * MAC_WCID_BASE: 8-bytes (use only 6 bytes) * 256 entry * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry @@ -1370,17 +1500,17 @@ struct mac_wcid_entry { u8 mac[6]; u8 reserved[2]; -} __attribute__ ((packed)); +} __packed; struct hw_key_entry { u8 key[16]; u8 tx_mic[8]; u8 rx_mic[8]; -} __attribute__ ((packed)); +} __packed; struct mac_iveiv_entry { u8 iv[8]; -} __attribute__ ((packed)); +} __packed; /* * MAC_WCID_ATTRIBUTE: @@ -1389,6 +1519,10 @@ struct mac_iveiv_entry { #define MAC_WCID_ATTRIBUTE_CIPHER FIELD32(0x0000000e) #define MAC_WCID_ATTRIBUTE_BSS_IDX FIELD32(0x00000070) #define MAC_WCID_ATTRIBUTE_RX_WIUDF FIELD32(0x00000380) +#define MAC_WCID_ATTRIBUTE_CIPHER_EXT FIELD32(0x00000400) +#define MAC_WCID_ATTRIBUTE_BSS_IDX_EXT FIELD32(0x00000800) +#define MAC_WCID_ATTRIBUTE_WAPI_MCBC FIELD32(0x00008000) +#define MAC_WCID_ATTRIBUTE_WAPI_KEY_IDX FIELD32(0xff000000) /* * SHARED_KEY_MODE: @@ -1485,7 +1619,8 @@ struct mac_iveiv_entry { * 2. Extract memory from FCE table for BCN 4~5 * 3. Extract memory from Pair-wise key table for BCN 6~7 * It occupied those memory of wcid 238~253 for BCN 6 - * and wcid 222~237 for BCN 7 + * and wcid 222~237 for BCN 7 (see Security key table memory + * for more info). * * IMPORTANT NOTE: Not sure why legacy driver does this, * but HW_BEACON_BASE7 is 0x0200 bytes below HW_BEACON_BASE6. @@ -1510,7 +1645,9 @@ struct mac_iveiv_entry { */ /* - * BBP 1: TX Antenna + * BBP 1: TX Antenna & Power + * POWER: 0 - normal, 1 - drop tx power by 6dBm, 2 - drop tx power by 12dBm, + * 3 - increase tx power by 6dBm */ #define BBP1_TX_POWER FIELD8(0x07) #define BBP1_TX_ANTENNA FIELD8(0x18) @@ -1770,6 +1907,13 @@ struct mac_iveiv_entry { #define EEPROM_RSSI_A2_LNA_A2 FIELD16(0xff00) /* + * EEPROM Maximum TX power values + */ +#define EEPROM_MAX_TX_POWER 0x0027 +#define EEPROM_MAX_TX_POWER_24GHZ FIELD16(0x00ff) +#define EEPROM_MAX_TX_POWER_5GHZ FIELD16(0xff00) + +/* * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power. * This is delta in 40MHZ. * VALUE: Tx Power dalta value (MAX=4) @@ -1800,9 +1944,15 @@ struct mac_iveiv_entry { #define EEPROM_TXPOWER_A_2 FIELD16(0xff00) /* - * EEPROM TXpower byrate: 20MHZ power + * EEPROM TXPOWER by rate: tx power per tx rate for HT20 mode */ #define EEPROM_TXPOWER_BYRATE 0x006f +#define EEPROM_TXPOWER_BYRATE_SIZE 9 + +#define EEPROM_TXPOWER_BYRATE_RATE0 FIELD16(0x000f) +#define EEPROM_TXPOWER_BYRATE_RATE1 FIELD16(0x00f0) +#define EEPROM_TXPOWER_BYRATE_RATE2 FIELD16(0x0f00) +#define EEPROM_TXPOWER_BYRATE_RATE3 FIELD16(0xf000) /* * EEPROM BBP. @@ -1849,8 +1999,17 @@ struct mac_iveiv_entry { * FRAG: 1 To inform TKIP engine this is a fragment. * MIMO_PS: The remote peer is in dynamic MIMO-PS mode * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs - * BW: Channel bandwidth 20MHz or 40 MHz + * BW: Channel bandwidth 0:20MHz, 1:40 MHz (for legacy rates this will + * duplicate the frame to both channels). * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED + * AMPDU: 1: this frame is eligible for AMPDU aggregation, the hw will + * aggregate consecutive frames with the same RA and QoS TID. If + * a frame A with the same RA and QoS TID but AMPDU=0 is queued + * directly after a frame B with AMPDU=1, frame A might still + * get aggregated into the AMPDU started by frame B. So, setting + * AMPDU to 0 does _not_ necessarily mean the frame is sent as + * MPDU, it can still end up in an AMPDU if the previous frame + * was tagged as AMPDU. */ #define TXWI_W0_FRAG FIELD32(0x00000001) #define TXWI_W0_MIMO_PS FIELD32(0x00000002) @@ -1868,6 +2027,19 @@ struct mac_iveiv_entry { /* * Word1 + * ACK: 0: No Ack needed, 1: Ack needed + * NSEQ: 0: Don't assign hw sequence number, 1: Assign hw sequence number + * BW_WIN_SIZE: BA windows size of the recipient + * WIRELESS_CLI_ID: Client ID for WCID table access + * MPDU_TOTAL_BYTE_COUNT: Length of 802.11 frame + * PACKETID: Will be latched into the TX_STA_FIFO register once the according + * frame was processed. If multiple frames are aggregated together + * (AMPDU==1) the reported tx status will always contain the packet + * id of the first frame. 0: Don't report tx status for this frame. + * PACKETID_QUEUE: Part of PACKETID, This is the queue index (0-3) + * PACKETID_ENTRY: Part of PACKETID, THis is the queue entry index (1-3) + * This identification number is calculated by ((idx % 3) + 1). + * The (+1) is required to prevent PACKETID to become 0. */ #define TXWI_W1_ACK FIELD32(0x00000001) #define TXWI_W1_NSEQ FIELD32(0x00000002) @@ -1875,6 +2047,8 @@ struct mac_iveiv_entry { #define TXWI_W1_WIRELESS_CLI_ID FIELD32(0x0000ff00) #define TXWI_W1_MPDU_TOTAL_BYTE_COUNT FIELD32(0x0fff0000) #define TXWI_W1_PACKETID FIELD32(0xf0000000) +#define TXWI_W1_PACKETID_QUEUE FIELD32(0x30000000) +#define TXWI_W1_PACKETID_ENTRY FIELD32(0xc0000000) /* * Word2 |