mirror of https://github.com/ipxe/ipxe.git
364 lines
9.7 KiB
C
364 lines
9.7 KiB
C
/*
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* Definitions for RTL818x hardware
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*
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* Copyright 2007 Michael Wu <flamingice@sourmilk.net>
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* Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
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*
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* Modified for iPXE, June 2009, by Joshua Oreman <oremanj@rwcr.net>
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*
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* Based on the r8187 driver, which is:
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* Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef RTL818X_H
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#define RTL818X_H
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#include <ipxe/spi_bit.h>
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#include <ipxe/tables.h>
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#include <ipxe/net80211.h>
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FILE_LICENCE(GPL2_ONLY);
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struct rtl818x_csr {
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u8 MAC[6];
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u8 reserved_0[2];
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u32 MAR[2];
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u8 RX_FIFO_COUNT;
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u8 reserved_1;
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u8 TX_FIFO_COUNT;
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u8 BQREQ;
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u8 reserved_2[4];
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u32 TSFT[2];
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u32 TLPDA;
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u32 TNPDA;
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u32 THPDA;
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u16 BRSR;
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u8 BSSID[6];
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u8 RESP_RATE;
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u8 EIFS;
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u8 reserved_3[1];
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u8 CMD;
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#define RTL818X_CMD_TX_ENABLE (1 << 2)
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#define RTL818X_CMD_RX_ENABLE (1 << 3)
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#define RTL818X_CMD_RESET (1 << 4)
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u8 reserved_4[4];
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u16 INT_MASK;
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u16 INT_STATUS;
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#define RTL818X_INT_RX_OK (1 << 0)
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#define RTL818X_INT_RX_ERR (1 << 1)
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#define RTL818X_INT_TXL_OK (1 << 2)
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#define RTL818X_INT_TXL_ERR (1 << 3)
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#define RTL818X_INT_RX_DU (1 << 4)
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#define RTL818X_INT_RX_FO (1 << 5)
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#define RTL818X_INT_TXN_OK (1 << 6)
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#define RTL818X_INT_TXN_ERR (1 << 7)
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#define RTL818X_INT_TXH_OK (1 << 8)
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#define RTL818X_INT_TXH_ERR (1 << 9)
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#define RTL818X_INT_TXB_OK (1 << 10)
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#define RTL818X_INT_TXB_ERR (1 << 11)
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#define RTL818X_INT_ATIM (1 << 12)
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#define RTL818X_INT_BEACON (1 << 13)
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#define RTL818X_INT_TIME_OUT (1 << 14)
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#define RTL818X_INT_TX_FO (1 << 15)
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u32 TX_CONF;
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#define RTL818X_TX_CONF_LOOPBACK_MAC (1 << 17)
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#define RTL818X_TX_CONF_LOOPBACK_CONT (3 << 17)
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#define RTL818X_TX_CONF_NO_ICV (1 << 19)
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#define RTL818X_TX_CONF_DISCW (1 << 20)
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#define RTL818X_TX_CONF_SAT_HWPLCP (1 << 24)
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#define RTL818X_TX_CONF_R8180_ABCD (2 << 25)
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#define RTL818X_TX_CONF_R8180_F (3 << 25)
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#define RTL818X_TX_CONF_R8185_ABC (4 << 25)
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#define RTL818X_TX_CONF_R8185_D (5 << 25)
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#define RTL818X_TX_CONF_R8187vD (5 << 25)
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#define RTL818X_TX_CONF_R8187vD_B (6 << 25)
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#define RTL818X_TX_CONF_HWVER_MASK (7 << 25)
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#define RTL818X_TX_CONF_DISREQQSIZE (1 << 28)
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#define RTL818X_TX_CONF_PROBE_DTS (1 << 29)
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#define RTL818X_TX_CONF_HW_SEQNUM (1 << 30)
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#define RTL818X_TX_CONF_CW_MIN (1 << 31)
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u32 RX_CONF;
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#define RTL818X_RX_CONF_MONITOR (1 << 0)
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#define RTL818X_RX_CONF_NICMAC (1 << 1)
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#define RTL818X_RX_CONF_MULTICAST (1 << 2)
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#define RTL818X_RX_CONF_BROADCAST (1 << 3)
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#define RTL818X_RX_CONF_FCS (1 << 5)
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#define RTL818X_RX_CONF_DATA (1 << 18)
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#define RTL818X_RX_CONF_CTRL (1 << 19)
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#define RTL818X_RX_CONF_MGMT (1 << 20)
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#define RTL818X_RX_CONF_ADDR3 (1 << 21)
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#define RTL818X_RX_CONF_PM (1 << 22)
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#define RTL818X_RX_CONF_BSSID (1 << 23)
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#define RTL818X_RX_CONF_RX_AUTORESETPHY (1 << 28)
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#define RTL818X_RX_CONF_CSDM1 (1 << 29)
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#define RTL818X_RX_CONF_CSDM2 (1 << 30)
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#define RTL818X_RX_CONF_ONLYERLPKT (1 << 31)
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u32 INT_TIMEOUT;
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u32 TBDA;
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u8 EEPROM_CMD;
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#define RTL818X_EEPROM_CMD_READ (1 << 0)
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#define RTL818X_EEPROM_CMD_WRITE (1 << 1)
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#define RTL818X_EEPROM_CMD_CK (1 << 2)
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#define RTL818X_EEPROM_CMD_CS (1 << 3)
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#define RTL818X_EEPROM_CMD_NORMAL (0 << 6)
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#define RTL818X_EEPROM_CMD_LOAD (1 << 6)
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#define RTL818X_EEPROM_CMD_PROGRAM (2 << 6)
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#define RTL818X_EEPROM_CMD_CONFIG (3 << 6)
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u8 CONFIG0;
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u8 CONFIG1;
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u8 CONFIG2;
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#define RTL818X_CONFIG2_ANTENNA_DIV (1 << 6)
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u32 ANAPARAM;
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u8 MSR;
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#define RTL818X_MSR_NO_LINK (0 << 2)
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#define RTL818X_MSR_ADHOC (1 << 2)
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#define RTL818X_MSR_INFRA (2 << 2)
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#define RTL818X_MSR_MASTER (3 << 2)
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#define RTL818X_MSR_ENEDCA (4 << 2)
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u8 CONFIG3;
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#define RTL818X_CONFIG3_ANAPARAM_WRITE (1 << 6)
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#define RTL818X_CONFIG3_GNT_SELECT (1 << 7)
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u8 CONFIG4;
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#define RTL818X_CONFIG4_POWEROFF (1 << 6)
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#define RTL818X_CONFIG4_VCOOFF (1 << 7)
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u8 TESTR;
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u8 reserved_9[2];
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u8 PGSELECT;
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u8 SECURITY;
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u32 ANAPARAM2;
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u8 reserved_10[12];
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u16 BEACON_INTERVAL;
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u16 ATIM_WND;
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u16 BEACON_INTERVAL_TIME;
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u16 ATIMTR_INTERVAL;
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u8 PHY_DELAY;
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u8 CARRIER_SENSE_COUNTER;
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u8 reserved_11[2];
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u8 PHY[4];
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u16 RFPinsOutput;
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u16 RFPinsEnable;
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u16 RFPinsSelect;
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u16 RFPinsInput;
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u32 RF_PARA;
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u32 RF_TIMING;
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u8 GP_ENABLE;
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u8 GPIO;
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u8 reserved_12[2];
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u32 HSSI_PARA;
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u8 reserved_13[4];
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u8 TX_AGC_CTL;
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#define RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT (1 << 0)
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#define RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT (1 << 1)
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#define RTL818X_TX_AGC_CTL_FEEDBACK_ANT (1 << 2)
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u8 TX_GAIN_CCK;
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u8 TX_GAIN_OFDM;
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u8 TX_ANTENNA;
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u8 reserved_14[16];
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u8 WPA_CONF;
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u8 reserved_15[3];
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u8 SIFS;
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u8 DIFS;
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u8 SLOT;
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u8 reserved_16[5];
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u8 CW_CONF;
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#define RTL818X_CW_CONF_PERPACKET_CW_SHIFT (1 << 0)
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#define RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT (1 << 1)
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u8 CW_VAL;
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u8 RATE_FALLBACK;
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#define RTL818X_RATE_FALLBACK_ENABLE (1 << 7)
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u8 ACM_CONTROL;
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u8 reserved_17[24];
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u8 CONFIG5;
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u8 TX_DMA_POLLING;
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u8 reserved_18[2];
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u16 CWR;
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u8 RETRY_CTR;
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u8 reserved_19[3];
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u16 INT_MIG;
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/* RTL818X_R8187B_*: magic numbers from ioregisters */
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#define RTL818X_R8187B_B 0
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#define RTL818X_R8187B_D 1
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#define RTL818X_R8187B_E 2
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u32 RDSAR;
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u16 TID_AC_MAP;
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u8 reserved_20[4];
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u8 ANAPARAM3;
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u8 reserved_21[5];
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u16 FEMR;
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u8 reserved_22[4];
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u16 TALLY_CNT;
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u8 TALLY_SEL;
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} __attribute__((packed));
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#define MAX_RX_SIZE IEEE80211_MAX_FRAME_LEN
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#define RF_PARAM_ANALOGPHY (1 << 0)
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#define RF_PARAM_ANTBDEFAULT (1 << 1)
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#define RF_PARAM_CARRIERSENSE1 (1 << 2)
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#define RF_PARAM_CARRIERSENSE2 (1 << 3)
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#define BB_ANTATTEN_CHAN14 0x0C
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#define BB_ANTENNA_B 0x40
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#define BB_HOST_BANG (1 << 30)
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#define BB_HOST_BANG_EN (1 << 2)
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#define BB_HOST_BANG_CLK (1 << 1)
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#define BB_HOST_BANG_DATA 1
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#define ANAPARAM_TXDACOFF_SHIFT 27
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#define ANAPARAM_PWR0_SHIFT 28
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#define ANAPARAM_PWR0_MASK (0x07 << ANAPARAM_PWR0_SHIFT)
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#define ANAPARAM_PWR1_SHIFT 20
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#define ANAPARAM_PWR1_MASK (0x7F << ANAPARAM_PWR1_SHIFT)
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#define RTL818X_RX_RING_SIZE 8 /* doesn't have to be a power of 2 */
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#define RTL818X_TX_RING_SIZE 8 /* nor this [but 2^n is very slightly faster] */
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#define RTL818X_RING_ALIGN 256
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#define RTL818X_MAX_RETRIES 4
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enum rtl818x_tx_desc_flags {
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RTL818X_TX_DESC_FLAG_NO_ENC = (1 << 15),
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RTL818X_TX_DESC_FLAG_TX_OK = (1 << 15),
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RTL818X_TX_DESC_FLAG_SPLCP = (1 << 16),
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RTL818X_TX_DESC_FLAG_RX_UNDER = (1 << 16),
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RTL818X_TX_DESC_FLAG_MOREFRAG = (1 << 17),
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RTL818X_TX_DESC_FLAG_CTS = (1 << 18),
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RTL818X_TX_DESC_FLAG_RTS = (1 << 23),
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RTL818X_TX_DESC_FLAG_LS = (1 << 28),
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RTL818X_TX_DESC_FLAG_FS = (1 << 29),
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RTL818X_TX_DESC_FLAG_DMA = (1 << 30),
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RTL818X_TX_DESC_FLAG_OWN = (1 << 31)
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};
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struct rtl818x_tx_desc {
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u32 flags;
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u16 rts_duration;
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u16 plcp_len;
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u32 tx_buf;
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u32 frame_len;
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u32 next_tx_desc;
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u8 cw;
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u8 retry_limit;
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u8 agc;
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u8 flags2;
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u32 reserved[2];
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} __attribute__ ((packed));
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enum rtl818x_rx_desc_flags {
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RTL818X_RX_DESC_FLAG_ICV_ERR = (1 << 12),
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RTL818X_RX_DESC_FLAG_CRC32_ERR = (1 << 13),
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RTL818X_RX_DESC_FLAG_PM = (1 << 14),
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RTL818X_RX_DESC_FLAG_RX_ERR = (1 << 15),
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RTL818X_RX_DESC_FLAG_BCAST = (1 << 16),
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RTL818X_RX_DESC_FLAG_PAM = (1 << 17),
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RTL818X_RX_DESC_FLAG_MCAST = (1 << 18),
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RTL818X_RX_DESC_FLAG_QOS = (1 << 19), /* RTL8187(B) only */
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RTL818X_RX_DESC_FLAG_TRSW = (1 << 24), /* RTL8187(B) only */
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RTL818X_RX_DESC_FLAG_SPLCP = (1 << 25),
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RTL818X_RX_DESC_FLAG_FOF = (1 << 26),
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RTL818X_RX_DESC_FLAG_DMA_FAIL = (1 << 27),
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RTL818X_RX_DESC_FLAG_LS = (1 << 28),
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RTL818X_RX_DESC_FLAG_FS = (1 << 29),
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RTL818X_RX_DESC_FLAG_EOR = (1 << 30),
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RTL818X_RX_DESC_FLAG_OWN = (1 << 31)
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};
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struct rtl818x_rx_desc {
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u32 flags;
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u32 flags2;
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union {
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u32 rx_buf;
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u64 tsft;
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};
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} __attribute__ ((packed));
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struct rtl818x_priv {
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struct rtl818x_csr *map;
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const struct rtl818x_rf_ops *rf;
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int rf_flag; /* whatever RF driver wishes to use it for */
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int hw_rate;
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int hw_rtscts_rate;
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struct spi_bit_basher spibit;
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struct spi_device eeprom;
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struct rtl818x_rx_desc *rx_ring;
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u32 rx_ring_dma;
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unsigned int rx_idx; /* next desc to be filled by card */
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struct io_buffer *rx_buf[RTL818X_RX_RING_SIZE];
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struct rtl818x_tx_desc *tx_ring;
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u32 tx_ring_dma;
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unsigned int tx_cons; /* next desc to be filled by card */
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unsigned int tx_prod; /* next desc to be filled by driver */
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struct io_buffer *tx_buf[RTL818X_TX_RING_SIZE];
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struct pci_device *pdev;
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u32 rx_conf;
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u16 txpower[14];
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int r8185;
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u32 anaparam;
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u16 rfparam;
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u8 csthreshold;
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};
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void rtl818x_write_phy(struct net80211_device *dev, u8 addr, u32 data);
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void rtl818x_set_anaparam(struct rtl818x_priv *priv, u32 anaparam);
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static inline u8 rtl818x_ioread8(struct rtl818x_priv *priv __unused, u8 *addr)
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{
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return inb(addr);
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}
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static inline u16 rtl818x_ioread16(struct rtl818x_priv *priv __unused, u16 *addr)
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{
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return inw(addr);
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}
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static inline u32 rtl818x_ioread32(struct rtl818x_priv *priv __unused, u32 *addr)
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{
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return inl(addr);
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}
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static inline void rtl818x_iowrite8(struct rtl818x_priv *priv __unused,
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u8 *addr, u8 val)
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{
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outb(val, addr);
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}
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static inline void rtl818x_iowrite16(struct rtl818x_priv *priv __unused,
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u16 *addr, u16 val)
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{
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outw(val, addr);
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}
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static inline void rtl818x_iowrite32(struct rtl818x_priv *priv __unused,
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u32 *addr, u32 val)
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{
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outl(val, addr);
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}
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#define RTL818X_RF_DRIVERS __table(struct rtl818x_rf_ops, "rtl818x_rf_drivers")
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#define __rtl818x_rf_driver __table_entry(RTL818X_RF_DRIVERS, 01)
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struct rtl818x_rf_ops {
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char *name;
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u8 id; /* as identified in EEPROM */
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void (*init)(struct net80211_device *dev);
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void (*stop)(struct net80211_device *dev);
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void (*set_chan)(struct net80211_device *dev, struct net80211_channel *chan);
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void (*conf_erp)(struct net80211_device *dev); /* set based on dev->erp_flags */
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};
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extern int rtl818x_probe(struct pci_device *pdev );
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extern void rtl818x_remove(struct pci_device *pdev);
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#endif /* RTL818X_H */
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