/*- * Copyright (c) 2002-2006 Sam Leffler, Errno Consulting * 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, this list of conditions and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any * redistribution must be conditioned upon including a substantially * similar Disclaimer requirement for further binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * 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 NONINFRINGEMENT, MERCHANTIBILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. * * $Id$ */ #include "opt_ah.h" #ifndef EXPORT_SYMTAB #define EXPORT_SYMTAB #endif /* EXPORT_SYMTAB */ /* Don't use virtualized timer in Linux 2.6.20+ */ #define USE_REAL_TIME_DELAY #if !defined(AUTOCONF_INCLUDED) && !defined(CONFIG_LOCALVERSION) #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #ifdef AH_DEBUG int ath_hal_debug = 0; EXPORT_SYMBOL(ath_hal_debug); #endif /* AH_DEBUG */ #define MSG_MAXLEN 161 #define REGOP_NONE 0 #define REGOP_READ 1 #define REGOP_WRITE 2 int ath_hal_dma_beacon_response_time = 2; /* in TUs */ int ath_hal_sw_beacon_response_time = 10; /* in TUs */ int ath_hal_additional_swba_backoff = 0; /* in TUs */ struct ath_hal * _ath_hal_attach(u_int16_t devid, HAL_SOFTC sc, HAL_BUS_TAG t, HAL_BUS_HANDLE h, HAL_STATUS *s) { struct ath_hal *ah = ath_hal_attach(devid, sc, t, h, s); if (ah) #ifndef __MOD_INC_USE_COUNT if (!try_module_get(THIS_MODULE)) { printk(KERN_WARNING "%s: try_module_get failed\n", __func__); _ath_hal_detach(ah); return NULL; } #else /* __MOD_INC_USE_COUNT */ MOD_INC_USE_COUNT; #endif /* __MOD_INC_USE_COUNT */ return ah; } void _ath_hal_detach(struct ath_hal *ah) { (*ah->ah_detach)(ah); #ifndef __MOD_INC_USE_COUNT module_put(THIS_MODULE); #else /* __MOD_INC_USE_COUNT */ MOD_DEC_USE_COUNT; #endif /* __MOD_INC_USE_COUNT */ } /* * Print/log message support. */ #ifdef AH_ASSERT void __ahdecl ath_hal_assert_failed(const char *filename, int lineno, const char *msg) { printk(KERN_ERR "Atheros HAL assertion failure: %s: line %u: %s\n", filename, lineno, msg); panic("ath_hal_assert"); } #endif /* AH_ASSERT */ /* Store the current function name (should be called by wrapper functions) * useful for debugging and figuring out, which hal function sets which * registers */ const char *ath_hal_func = NULL; const char *ath_hal_device = NULL; EXPORT_SYMBOL(ath_hal_func); EXPORT_SYMBOL(ath_hal_device); #ifdef AH_DEBUG_ALQ /* * ALQ register tracing support. * * Setting hw.ath.hal.alq=1 enables tracing of all register reads and * writes to the file /var/log/ath_hal.log. The file format is a simple * fixed-size array of records. When done logging set hw.ath.hal.alq=0 * and then decode the file with the ardecode program (that is part of the * HAL). If you start+stop tracing the data will be appended to an * existing file. * * NB: doesn't handle multiple devices properly; only one DEVICE record * is emitted and the different devices are not identified. */ #include "alq.h" static struct alq *ath_hal_alq = NULL; static u_int ath_hal_alq_lost; /* count of lost records */ static const char *ath_hal_logfile = "/var/log/ath_hal.log"; static u_int ath_hal_alq_qsize = 8 * 1024; static int ath_hal_setlogging(int enable) { int error; if (enable) { if (!capable(CAP_NET_ADMIN)) return -EPERM; error = alq_open(&ath_hal_alq, ath_hal_logfile, MSG_MAXLEN, ath_hal_alq_qsize, (enable == 1 ? 0x7fffffff : enable)); ath_hal_alq_lost = 0; printk(KERN_INFO "ath_hal: logging to %s %s\n", ath_hal_logfile, error == 0 ? "enabled" : "could not be setup"); } else { if (ath_hal_alq) alq_close(ath_hal_alq); ath_hal_alq = NULL; printk(KERN_INFO "ath_hal: logging disabled\n"); error = 0; } return error; } /* * Deal with the sysctl handler api changing. */ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8) #define AH_SYSCTL_ARGS_DECL \ struct ctl_table *ctl, int write, struct file *filp, void *buffer, \ size_t *lenp #define AH_SYSCTL_ARGS ctl, write, filp, buffer, lenp #else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,8) */ #define AH_SYSCTL_ARGS_DECL \ struct ctl_table *ctl, int write, struct file *filp, void *buffer,\ size_t *lenp, loff_t *ppos #define AH_SYSCTL_ARGS ctl, write, filp, buffer, lenp, ppos #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,8) */ static int sysctl_hw_ath_hal_log(AH_SYSCTL_ARGS_DECL) { int error, enable; ctl->data = &enable; ctl->maxlen = sizeof(enable); enable = (ath_hal_alq != NULL); error = proc_dointvec(AH_SYSCTL_ARGS); if (error || !write) return error; else return ath_hal_setlogging(enable); } static inline void ath_hal_logvprintf(struct ath_hal *ah, const char *fmt, va_list ap) { struct ale *ale; if (!ath_hal_alq) { ath_hal_alq_lost++; return; } ale = alq_get(ath_hal_alq, ALQ_NOWAIT); if (!ale) { ath_hal_alq_lost++; return; } memset(ale->ae_data, 0, MSG_MAXLEN); vsnprintf(ale->ae_data, MSG_MAXLEN, fmt, ap); alq_post(ath_hal_alq, ale); } void __ahdecl ath_hal_logprintf(struct ath_hal *ah, const char *fmt, ...) { va_list ap; va_start(ap, fmt); ath_hal_logvprintf(ah, fmt, ap); va_end(ap); } EXPORT_SYMBOL(ath_hal_logprintf); #endif /* AH_DEBUG_ALQ */ static inline void _hal_vprintf(struct ath_hal *ah, HAL_BOOL prefer_alq, const char *fmt, va_list ap) { char buf[MSG_MAXLEN]; #ifdef AH_DEBUG_ALQ if (prefer_alq && ath_hal_alq) { ath_hal_logvprintf(ah, fmt, ap); return; } #endif /* AH_DEBUG_ALQ */ vsnprintf(buf, sizeof(buf), fmt, ap); printk("%s", buf); } void __ahdecl ath_hal_printf(struct ath_hal *ah, HAL_BOOL prefer_alq, const char *fmt, ...) { va_list ap; va_start(ap, fmt); _hal_vprintf(ah, prefer_alq, fmt, ap); va_end(ap); } EXPORT_SYMBOL(ath_hal_printf); #ifdef AH_DEBUG extern const char *ath_hal_ether_sprintf(const uint8_t *mac) { static char buf[18]; sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); return buf; } void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...) { if (ath_hal_debug & mask) { __va_list ap; va_start(ap, fmt); _hal_vprintf(ah, AH_FALSE, fmt, ap); va_end(ap); } } #endif /* AH_DEBUG */ /* Lookup a friendly name for a register address (for any we have nicknames * for). Names were taken from openhal ar5212regs.h. Return AH_TRUE if the * name is a known ar5212 register, and AH_FALSE otherwise. */ HAL_BOOL ath_hal_lookup_register_name(struct ath_hal *ah, char *buf, int buflen, u_int32_t address) { const char *static_label = NULL; memset(buf, 0, buflen); #if 0 /* Enable once for each new board/magic type */ printk("MAGIC: %x\n", ah->ah_magic); #endif if (ah->ah_magic == 0x19541014 /* AR5212 compatible HAL magic */ ) { /* Handle Static Register Labels (unique stuff we know about) */ switch (address) { case 0x0008: static_label = "AR5K_CR"; break; case 0x000c: static_label = "AR5K_RXDP"; break; case 0x0014: static_label = "AR5K_CFG"; break; case 0x0024: static_label = "AR5K_IER"; break; case 0x0030: static_label = "AR5K_TXCFG"; break; case 0x0034: static_label = "AR5K_RXCFG"; break; case 0x0040: static_label = "AR5K_MIBC"; break; case 0x0044: static_label = "AR5K_TOPS"; break; case 0x0048: static_label = "AR5K_RXNOFRM"; break; case 0x004c: static_label = "AR5K_TXNOFRM"; break; case 0x0050: static_label = "AR5K_RPGTO"; break; case 0x0054: static_label = "AR5K_RFCNT"; break; case 0x0058: static_label = "AR5K_MISC"; break; case 0x0080: static_label = "AR5K_PISR"; break; case 0x0084: static_label = "AR5K_SISR0"; break; case 0x0088: static_label = "AR5K_SISR1"; break; case 0x008c: static_label = "AR5K_SISR2"; break; case 0x0090: static_label = "AR5K_SISR3"; break; case 0x0094: static_label = "AR5K_SISR4"; break; case 0x00a0: static_label = "AR5K_PIMR"; break; case 0x00a4: static_label = "AR5K_SIMR0"; break; case 0x00a8: static_label = "AR5K_SIMR1"; break; case 0x00ac: static_label = "AR5K_SIMR2"; break; case 0x00b0: static_label = "AR5K_SIMR3"; break; case 0x00b4: static_label = "AR5K_SIMR4"; break; case 0x00c0: static_label = "AR5K_RAC_PISR"; break; case 0x00c4: static_label = "AR5K_RAC_SISR0"; break; case 0x00c8: static_label = "AR5K_RAC_SISR1"; break; case 0x00cc: static_label = "AR5K_RAC_SISR2"; break; case 0x00d0: static_label = "AR5K_RAC_SISR3"; break; case 0x00d4: static_label = "AR5K_RAC_SISR4"; break; case 0x0400: static_label = "AR5K_DCM_ADDR"; break; case 0x0404: static_label = "AR5K_DCM_DATA"; break; case 0x0420: static_label = "AR5K_DCCFG"; break; case 0x0600: static_label = "AR5K_CCFG"; break; case 0x0604: static_label = "AR5K_CCFG_CUP"; break; case 0x0610: static_label = "AR5K_CPC0"; break; case 0x0614: static_label = "AR5K_CPC1"; break; case 0x0618: static_label = "AR5K_CPC2"; break; case 0x061c: static_label = "AR5K_CPC3"; break; case 0x0620: static_label = "AR5K_CPCORN"; break; case 0x0840: static_label = "AR5K_QCU_TXE"; break; case 0x0880: static_label = "AR5K_QCU_TXD"; break; case 0x0940: static_label = "AR5K_QCU_ONESHOTARM_SET"; break; case 0x0980: static_label = "AR5K_QCU_ONESHOTARM_CLEAR"; break; case 0xa200: static_label = "AR5K_PHY_MODE"; break; case 0x0a40: static_label = "AR5K_QCU_RDYTIMESHDN"; break; case 0x0b00: static_label = "AR5K_QCU_CBB_SELECT"; break; case 0x0b04: static_label = "AR5K_QCU_CBB_ADDR"; break; case 0x0b08: static_label = "AR5K_QCU_CBCFG"; break; case 0x1030: static_label = "AR5K_DCU_GBL_IFS_SIFS"; break; case 0x1038: static_label = "AR5K_DCU_TX_FILTER"; break; case 0x1070: static_label = "AR5K_DCU_GBL_IFS_SLOT"; break; case 0x10b0: static_label = "AR5K_DCU_GBL_IFS_EIFS"; break; case 0x10f0: static_label = "AR5K_DCU_GBL_IFS_MISC"; break; case 0x1230: static_label = "AR5K_DCU_FP"; break; case 0x1270: static_label = "AR5K_DCU_TXP"; break; case 0x143c: static_label = "AR5K_DCU_TX_FILTER_CLR"; break; case 0x147c: static_label = "AR5K_DCU_TX_FILTER_SET"; break; case 0x4000: static_label = "AR5K_RESET_CTL"; break; case 0x4004: static_label = "AR5K_SLEEP_CTL"; break; case 0x4008: static_label = "AR5K_INTPEND"; break; case 0x400c: static_label = "AR5K_SFR"; break; case 0x4010: static_label = "AR5K_PCICFG"; break; case 0x4014: static_label = "AR5K_GPIOCR"; break; case 0x4018: static_label = "AR5K_GPIODO"; break; case 0x401c: static_label = "AR5K_GPIODI"; break; case 0x4020: static_label = "AR5K_SREV"; break; case 0x6000: static_label = "AR5K_EEPROM_BASE"; break; case 0x6004: static_label = "AR5K_EEPROM_DATA_5211"; break; case 0x6008: static_label = "AR5K_EEPROM_CMD"; break; case 0x600c: static_label = "AR5K_EEPROM_STAT_5211"; break; case 0x6010: static_label = "AR5K_EEPROM_CFG"; break; case 0x8000: static_label = "AR5K_STA_ID0"; break; case 0x8004: static_label = "AR5K_STA_ID1"; break; case 0x8008: static_label = "AR5K_BSS_ID0"; break; case 0x800c: static_label = "AR5K_BSS_ID1"; break; case 0x8010: static_label = "AR5K_SLOT_TIME"; break; case 0x8014: static_label = "AR5K_TIME_OUT"; break; case 0x8018: static_label = "AR5K_RSSI_THR"; break; case 0x801c: static_label = "AR5K_USEC_5211"; break; case 0x8020: static_label = "AR5K_BEACON_5211"; break; case 0x8024: static_label = "AR5K_CFP_PERIOD_5211"; break; case 0x8028: static_label = "AR5K_TIMER0_5211"; break; case 0x802c: static_label = "AR5K_TIMER1_5211"; break; case 0x8030: static_label = "AR5K_TIMER2_5211"; break; case 0x8034: static_label = "AR5K_TIMER3_5211"; break; case 0x8038: static_label = "AR5K_CFP_DUR_5211"; break; case 0x803c: static_label = "AR5K_RX_FILTER_5211"; break; case 0x8040: static_label = "AR5K_MCAST_FILTER0_5211"; break; case 0x8044: static_label = "AR5K_MCAST_FILTER1_5211"; break; case 0x8048: static_label = "AR5K_DIAG_SW_5211"; break; case 0x804c: static_label = "AR5K_TSF_L32_5211"; break; case 0x8050: static_label = "AR5K_TSF_U32_5211"; break; case 0x8054: static_label = "AR5K_ADDAC_TEST"; break; case 0x8058: static_label = "AR5K_DEFAULT_ANTENNA"; break; case 0x8080: static_label = "AR5K_LAST_TSTP"; break; case 0x8084: static_label = "AR5K_NAV_5211"; break; case 0x8088: static_label = "AR5K_RTS_OK_5211"; break; case 0x808c: static_label = "AR5K_RTS_FAIL_5211"; break; case 0x8090: static_label = "AR5K_ACK_FAIL_5211"; break; case 0x8094: static_label = "AR5K_FCS_FAIL_5211"; break; case 0x8098: static_label = "AR5K_BEACON_CNT_5211"; break; case 0x80c0: static_label = "AR5K_XRMODE"; break; case 0x80c4: static_label = "AR5K_XRDELAY"; break; case 0x80c8: static_label = "AR5K_XRTIMEOUT"; break; case 0x80cc: static_label = "AR5K_XRCHIRP"; break; case 0x80d0: static_label = "AR5K_XRSTOMP"; break; case 0x80d4: static_label = "AR5K_SLEEP0"; break; case 0x80d8: static_label = "AR5K_SLEEP1"; break; case 0x80dc: static_label = "AR5K_SLEEP2"; break; case 0x80e0: static_label = "AR5K_BSS_IDM0"; break; case 0x80e4: static_label = "AR5K_BSS_IDM1"; break; case 0x80e8: static_label = "AR5K_TXPC"; break; case 0x80ec: static_label = "AR5K_PROFCNT_TX"; break; case 0x80f0: static_label = "AR5K_PROFCNT_RX"; break; case 0x80f4: static_label = "AR5K_PROFCNT_RXCLR"; break; case 0x80f8: static_label = "AR5K_PROFCNT_CYCLE"; break; case 0x8104: static_label = "AR5K_TSF_PARM"; break; case 0x810c: static_label = "AR5K_PHY_ERR_FIL"; break; case 0x9800: static_label = "AR5K_PHY"; break; case 0x9804: static_label = "AR5K_PHY_TURBO"; break; case 0x9808: static_label = "AR5K_PHY_AGC"; break; case 0x9814: static_label = "AR5K_PHY_TIMING_3"; break; case 0x9818: static_label = "AR5K_PHY_CHIP_ID"; break; case 0x981c: static_label = "AR5K_PHY_ACT"; break; case 0x9858: static_label = "AR5K_PHY_SIG"; break; case 0x985c: static_label = "AR5K_PHY_AGCCOARSE"; break; case 0x9860: static_label = "AR5K_PHY_AGCCTL"; break; case 0x9864: static_label = "AR5K_PHY_NF"; break; case 0x9870: static_label = "AR5K_PHY_SCR"; break; case 0x9874: static_label = "AR5K_PHY_SLMT"; break; case 0x9878: static_label = "AR5K_PHY_SCAL"; break; case 0x987c: static_label = "AR5K_PHY_PLL"; break; case 0x989c: static_label = "AR5K_RF_BUFFER"; break; case 0x98c0: static_label = "AR5K_RF_BUFFER_CONTROL_0"; break; case 0x98c4: static_label = "AR5K_RF_BUFFER_CONTROL_1"; break; case 0x98cc: static_label = "AR5K_RF_BUFFER_CONTROL_2"; break; case 0x98d0: static_label = "AR5K_RF_BUFFER_CONTROL_3"; break; case 0x98d4: static_label = "AR5K_RF_BUFFER_CONTROL_4"; break; case 0x98d8: static_label = "AR5K_RF_BUFFER_CONTROL_5"; break; case 0x98dc: static_label = "AR5K_RF_BUFFER_CONTROL_6"; break; case 0x9914: static_label = "AR5K_PHY_RX_DELAY"; break; case 0x9920: static_label = "AR5K_PHY_IQ"; break; case 0x9930: static_label = "AR5K_PHY_PAPD_PROBE"; break; case 0x9934: static_label = "AR5K_PHY_TXPOWER_RATE1"; break; case 0x9938: static_label = "AR5K_PHY_TXPOWER_RATE2"; break; case 0x993c: static_label = "AR5K_PHY_TXPOWER_RATE_MAX"; break; case 0x9944: static_label = "AR5K_PHY_FRAME_CTL_5211"; break; case 0x9954: static_label = "AR5K_PHY_RADAR"; break; case 0x99f0: static_label = "AR5K_PHY_SCLOCK"; break; case 0x99f4: static_label = "AR5K_PHY_SDELAY"; break; case 0x99f8: static_label = "AR5K_PHY_SPENDING"; break; case 0x9c10: static_label = "AR5K_PHY_IQRES_CAL_PWR_I"; break; case 0x9c14: static_label = "AR5K_PHY_IQRES_CAL_PWR_Q"; break; case 0x9c18: static_label = "AR5K_PHY_IQRES_CAL_CORR"; break; case 0x9c1c: static_label = "AR5K_PHY_CURRENT_RSSI"; break; case 0xa204: static_label = "AR5K_PHY_CCKTXCTL"; break; case 0xa20c: static_label = "AR5K_PHY_GAIN_2GHZ"; break; case 0xa234: static_label = "AR5K_PHY_TXPOWER_RATE3"; break; case 0xa238: static_label = "AR5K_PHY_TXPOWER_RATE4"; break; case 0x9850: static_label = "AR5K_PHY_AGCSIZE"; break; case 0x9924: static_label = "AR5K_PHY_SPUR"; break; default: break; } if (static_label) { if (strncmp(static_label, "ATH5K_", 6) == 0) static_label += 6; snprintf(buf, buflen, "%s", static_label); return AH_TRUE; } /* Handle Key Table */ if ((address >= 0x8800) && (address < 0x9800)) { #define keytable_entry_reg_count (8) #define keytable_entry_size (keytable_entry_reg_count * sizeof(u_int32_t)) int key = ((address - 0x8800) / keytable_entry_size); int reg = ((address - 0x8800) % keytable_entry_size) / sizeof(u_int32_t); char *format = NULL; switch (reg) { case 0: format = "KEY(%3d).KEYBITS[031:000]"; break; case 1: format = "KEY(%3d).KEYBITS[047:032]"; break; case 2: format = "KEY(%3d).KEYBITS[079:048]"; break; case 3: format = "KEY(%3d).KEYBITS[095:080]"; break; case 4: format = "KEY(%3d).KEYBITS[127:096]"; break; case 5: format = "KEY(%3d).TYPE............"; break; case 6: format = "KEY(%3d).MAC[32:01]......"; break; case 7: format = "KEY(%3d).MAC[47:33]......"; break; default: BUG(); } snprintf(buf, buflen, format, key); #undef keytable_entry_reg_count #undef keytable_entry_size return AH_TRUE; } if (address >= 0x0800 && address <= 0x082c) { snprintf(buf, buflen, "AR5K_QUEUE_TXDP_%d", (u_int32_t)((address - 0x0800) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x08c0 && address <= 0x08ec) { snprintf(buf, buflen, "AR5K_QUEUE_CBRCFG_%d", (u_int32_t)((address - 0x08c0) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x0900 && address <= 0x092c) { snprintf(buf, buflen, "AR5K_QUEUE_RDYTIMECFG_%d", (u_int32_t)((address - 0x0900) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x09c0 && address <= 0x09ec) { snprintf(buf, buflen, "AR5K_QUEUE_MISC_%d", (u_int32_t)((address - 0x09c0) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x0a00 && address <= 0x0a2c) { snprintf(buf, buflen, "AR5K_QUEUE_STATUS_%d", (u_int32_t)((address - 0x0a00) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x1000 && address <= 0x102c) { snprintf(buf, buflen, "AR5K_QUEUE_QCUMASK_%d", (u_int32_t)((address - 0x1000) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x1040 && address <= 0x106c) { snprintf(buf, buflen, "AR5K_QUEUE_DFS_LOCAL_IFS_%d", (u_int32_t)((address - 0x1040) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x1080 && address <= 0x10ac) { snprintf(buf, buflen, "AR5K_QUEUE_DFS_RETRY_LIMIT_%d", (u_int32_t)((address - 0x1080) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x10c0 && address <= 0x10ec) { snprintf(buf, buflen, "AR5K_QUEUE_DFS_CHANNEL_TIME_%d", (u_int32_t)((address - 0x10c0) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x1100 && address <= 0x112c) { snprintf(buf, buflen, "AR5K_QUEUE_DFS_MISC_%d", (u_int32_t)((address - 0x1100) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x1140 && address <= 0x116c) { snprintf(buf, buflen, "AR5K_QUEUE_DFS_SEQNUM_%d", (u_int32_t)((address - 0x1140) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x4000 && address <= 0x5000) { snprintf(buf, buflen, "(PCI_TIMING)_%d", (u_int32_t)((address - 0x4000) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x8700 && address <= 0x877c) { snprintf(buf, buflen, "AR5K_RATE_DUR_%d", (u_int32_t)((address - 0x8700) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x8800 && address <= 0x9800) { snprintf(buf, buflen, "AR5K_KEYTABLE_0_5211_%d", (u_int32_t)((address - 0x8800) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x9a00 && address <= 0x9afc) { snprintf(buf, buflen, "AR5K_RF_GAIN_%d", (u_int32_t)((address - 0x9a00) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0x9b00 && address <= 0x9bfc) { snprintf(buf, buflen, "AR5K_BB_GAIN_%d", (u_int32_t)((address - 0x9b00) / sizeof(u_int32_t))); return AH_TRUE; } if (address >= 0xa180 && address <= 0xa1fc) { snprintf(buf, buflen, "AR5K_PHY_PCDAC_TXPOWER_%d", (u_int32_t)((address - 0xa180) / sizeof(u_int32_t))); return AH_TRUE; } } /* Everything else... */ snprintf(buf, buflen, "(unknown)"); return AH_FALSE; } EXPORT_SYMBOL(ath_hal_lookup_register_name); static void _print_decoded_register_delta(struct ath_hal *ah, const char *device_name, HAL_BOOL prefer_alq, int regop, u_int32_t address, u_int32_t v_old, u_int32_t v_new, HAL_BOOL verbose) { #define BIT_UNCHANGED_ON "1" #define BIT_UNCHANGED_OFF "." #define BIT_CHANGED_ON "+" #define BIT_CHANGED_OFF "-" #define NYBBLE_SEPARATOR "" #define BYTE_SEPARATOR " " #define BIT_STATUS(_shift) \ (((v_old & (1 << _shift)) == (v_new & (1 << _shift))) ? \ (v_new & (1 << _shift) ? \ BIT_UNCHANGED_ON : BIT_UNCHANGED_OFF) : \ (v_new & (1 << _shift) ? \ BIT_CHANGED_ON : BIT_CHANGED_OFF)) char name[64] = ""; ath_hal_lookup_register_name(ah, name, sizeof(name), address); ath_hal_printf(ah, prefer_alq, "%s%s%s%23s:0x%04x:0x%08x:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s:%s\n", device_name ? device_name : "", device_name ? ":" : "", (regop == REGOP_READ ? "R:" : (regop == REGOP_WRITE ? "W:" : "")), (0 < strlen(name)) ? name : "(unknown)", address, v_new, BIT_STATUS(31), BIT_STATUS(30), BIT_STATUS(29), BIT_STATUS(28), NYBBLE_SEPARATOR, BIT_STATUS(27), BIT_STATUS(26), BIT_STATUS(25), BIT_STATUS(24), BYTE_SEPARATOR, BIT_STATUS(23), BIT_STATUS(22), BIT_STATUS(21), BIT_STATUS(20), NYBBLE_SEPARATOR, BIT_STATUS(19), BIT_STATUS(18), BIT_STATUS(17), BIT_STATUS(16), BYTE_SEPARATOR, BIT_STATUS(15), BIT_STATUS(14), BIT_STATUS(13), BIT_STATUS(12), NYBBLE_SEPARATOR, BIT_STATUS(11), BIT_STATUS(10), BIT_STATUS( 9), BIT_STATUS( 8), BYTE_SEPARATOR, BIT_STATUS( 7), BIT_STATUS( 6), BIT_STATUS( 5), BIT_STATUS( 4), NYBBLE_SEPARATOR, BIT_STATUS( 3), BIT_STATUS( 2), BIT_STATUS( 1), BIT_STATUS( 0), (ath_hal_func ?: "unknown") ); #undef BIT_UNCHANGED_ON #undef BIT_UNCHANGED_OFF #undef BIT_CHANGED_ON #undef BIT_CHANGED_OFF #undef NYBBLE_SEPARATOR #undef BYTE_SEPARATOR #undef BIT_STATUS } /* For any addresses we wish to get a symbolic representation of (i.e. flag * names) we can add it to this helper function and a subsequent line is * printed with the status in symbolic form. */ static void _print_decoded_register_bitfields(struct ath_hal *ah, const char *device_name, HAL_BOOL prefer_alq, int regop, u_int32_t address, u_int32_t old_v, u_int32_t v, HAL_BOOL verbose) { /* constants from openhal ar5212reg.h */ #define AR5K_AR5212_PHY_ERR_FIL 0x810c #define AR5K_AR5212_PHY_ERR_FIL_RADAR 0x00000020 #define AR5K_AR5212_PHY_ERR_FIL_OFDM 0x00020000 #define AR5K_AR5212_PHY_ERR_FIL_CCK 0x02000000 #define AR5K_AR5212_PIMR 0x00a0 #define AR5K_AR5212_PISR 0x0080 #define AR5K_AR5212_PIMR_RXOK 0x00000001 #define AR5K_AR5212_PIMR_RXDESC 0x00000002 #define AR5K_AR5212_PIMR_RXERR 0x00000004 #define AR5K_AR5212_PIMR_RXNOFRM 0x00000008 #define AR5K_AR5212_PIMR_RXEOL 0x00000010 #define AR5K_AR5212_PIMR_RXORN 0x00000020 #define AR5K_AR5212_PIMR_TXOK 0x00000040 #define AR5K_AR5212_PIMR_TXDESC 0x00000080 #define AR5K_AR5212_PIMR_TXERR 0x00000100 #define AR5K_AR5212_PIMR_TXNOFRM 0x00000200 #define AR5K_AR5212_PIMR_TXEOL 0x00000400 #define AR5K_AR5212_PIMR_TXURN 0x00000800 #define AR5K_AR5212_PIMR_MIB 0x00001000 #define AR5K_AR5212_PIMR_SWI 0x00002000 #define AR5K_AR5212_PIMR_RXPHY 0x00004000 #define AR5K_AR5212_PIMR_RXKCM 0x00008000 #define AR5K_AR5212_PIMR_SWBA 0x00010000 #define AR5K_AR5212_PIMR_BRSSI 0x00020000 #define AR5K_AR5212_PIMR_BMISS 0x00040000 #define AR5K_AR5212_PIMR_HIUERR 0x00080000 #define AR5K_AR5212_PIMR_BNR 0x00100000 #define AR5K_AR5212_PIMR_RXCHIRP 0x00200000 #define AR5K_AR5212_PIMR_TIM 0x00800000 #define AR5K_AR5212_PIMR_BCNMISC 0x00800000 #define AR5K_AR5212_PIMR_GPIO 0x01000000 #define AR5K_AR5212_PIMR_QCBRORN 0x02000000 #define AR5K_AR5212_PIMR_QCBRURN 0x04000000 #define AR5K_AR5212_PIMR_QTRIG 0x08000000 char name[128]; ath_hal_lookup_register_name(ah, name, sizeof(name), address); if (address == AR5K_AR5212_PHY_ERR_FIL) { ath_hal_printf(ah, prefer_alq, "%s%s%s%18s info:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s:%s\n", device_name ? device_name : "", device_name ? ":" : "", (regop == REGOP_READ ? "R:" : (regop == REGOP_WRITE ? "W:" : "")), (0 < strlen(name)) ? name : "(unknown)", (v & (1 << 31) ? " (1 << 31)" : ""), (v & (1 << 30) ? " (1 << 30)" : ""), (v & (1 << 29) ? " (1 << 29)" : ""), (v & (1 << 28) ? " (1 << 28)" : ""), (v & (1 << 27) ? " (1 << 27)" : ""), (v & (1 << 26) ? " (1 << 26)" : ""), (v & AR5K_AR5212_PHY_ERR_FIL_CCK ? " CCK" : ""), (v & (1 << 24) ? " (1 << 24)" : ""), (v & (1 << 23) ? " (1 << 23)" : ""), (v & (1 << 22) ? " (1 << 22)" : ""), (v & (1 << 21) ? " (1 << 21)" : ""), (v & (1 << 20) ? " (1 << 20)" : ""), (v & (1 << 19) ? " (1 << 19)" : ""), (v & (1 << 18) ? " (1 << 18)" : ""), (v & AR5K_AR5212_PHY_ERR_FIL_OFDM ? " OFDM" : ""), (v & (1 << 16) ? " (1 << 16)" : ""), (v & (1 << 15) ? " (1 << 15)" : ""), (v & (1 << 14) ? " (1 << 14)" : ""), (v & (1 << 13) ? " (1 << 13)" : ""), (v & (1 << 12) ? " (1 << 12)" : ""), (v & (1 << 11) ? " (1 << 11)" : ""), (v & (1 << 10) ? " (1 << 10)" : ""), (v & (1 << 9) ? " (1 << 9)" : ""), (v & (1 << 8) ? " (1 << 8)" : ""), (v & (1 << 7) ? " (1 << 7)" : ""), (v & (1 << 6) ? " (1 << 6)" : ""), (v & AR5K_AR5212_PHY_ERR_FIL_RADAR ? " RADAR" : ""), (v & (1 << 4) ? " (1 << 4)" : ""), (v & (1 << 3) ? " (1 << 3)" : ""), (v & (1 << 2) ? " (1 << 2)" : ""), (v & (1 << 1) ? " (1 << 1)" : ""), (v & (1 << 0) ? " (1 << 0)" : ""), (ath_hal_func ?: "unknown") ); } if (address == AR5K_AR5212_PISR || address == AR5K_AR5212_PIMR) { ath_hal_printf(ah, prefer_alq, "%s%s%s%18s info:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s:%s\n", device_name ? device_name : "", device_name ? ":" : "", (regop == REGOP_READ ? "R:" : (regop == REGOP_WRITE ? "W:" : "")), (0 < strlen(name)) ? name : "(unknown)", (v & HAL_INT_GLOBAL ? " HAL_INT_GLOBAL" : ""), (v & HAL_INT_FATAL ? " HAL_INT_FATAL" : ""), (v & (1 << 29) ? " (1 << 29)" : ""), (v & (1 << 28) ? " (1 << 28)" : ""), (v & AR5K_AR5212_PIMR_RXOK ? " RXOK" : ""), (v & AR5K_AR5212_PIMR_RXDESC ? " RXDESC" : ""), (v & AR5K_AR5212_PIMR_RXERR ? " RXERR" : ""), (v & AR5K_AR5212_PIMR_RXNOFRM ? " RXNOFRM" : ""), (v & AR5K_AR5212_PIMR_RXEOL ? " RXEOL" : ""), (v & AR5K_AR5212_PIMR_RXORN ? " RXORN" : ""), (v & AR5K_AR5212_PIMR_TXOK ? " TXOK" : ""), (v & AR5K_AR5212_PIMR_TXDESC ? " TXDESC" : ""), (v & AR5K_AR5212_PIMR_TXERR ? " TXERR" : ""), (v & AR5K_AR5212_PIMR_TXNOFRM ? " TXNOFRM" : ""), (v & AR5K_AR5212_PIMR_TXEOL ? " TXEOL" : ""), (v & AR5K_AR5212_PIMR_TXURN ? " TXURN" : ""), (v & AR5K_AR5212_PIMR_MIB ? " MIB" : ""), (v & AR5K_AR5212_PIMR_SWI ? " SWI" : ""), (v & AR5K_AR5212_PIMR_RXPHY ? " RXPHY" : ""), (v & AR5K_AR5212_PIMR_RXKCM ? " RXKCM" : ""), (v & AR5K_AR5212_PIMR_SWBA ? " SWBA" : ""), (v & AR5K_AR5212_PIMR_BRSSI ? " BRSSI" : ""), (v & AR5K_AR5212_PIMR_BMISS ? " BMISS" : ""), (v & AR5K_AR5212_PIMR_HIUERR ? " HIUERR" : ""), (v & AR5K_AR5212_PIMR_BNR ? " BNR" : ""), (v & AR5K_AR5212_PIMR_RXCHIRP ? " RXCHIRP" : ""), (v & AR5K_AR5212_PIMR_TIM ? " TIM" : ""), (v & AR5K_AR5212_PIMR_BCNMISC ? " BCNMISC" : ""), (v & AR5K_AR5212_PIMR_GPIO ? " GPIO" : ""), (v & AR5K_AR5212_PIMR_QCBRORN ? " QCBRORN" : ""), (v & AR5K_AR5212_PIMR_QCBRURN ? " QCBRURN" : ""), (v & AR5K_AR5212_PIMR_QTRIG ? " QTRIG" : ""), (ath_hal_func ?: "unknown") ); } #undef AR5K_AR5212_PHY_ERR_FIL #undef AR5K_AR5212_PHY_ERR_FIL_RADAR #undef AR5K_AR5212_PHY_ERR_FIL_OFDM #undef AR5K_AR5212_PHY_ERR_FIL_CCK #undef AR5K_AR5212_PIMR #undef AR5K_AR5212_PISR #undef AR5K_AR5212_PIMR_RXOK #undef AR5K_AR5212_PIMR_RXDESC #undef AR5K_AR5212_PIMR_RXERR #undef AR5K_AR5212_PIMR_RXNOFRM #undef AR5K_AR5212_PIMR_RXEOL #undef AR5K_AR5212_PIMR_RXORN #undef AR5K_AR5212_PIMR_TXOK #undef AR5K_AR5212_PIMR_TXDESC #undef AR5K_AR5212_PIMR_TXERR #undef AR5K_AR5212_PIMR_TXNOFRM #undef AR5K_AR5212_PIMR_TXEOL #undef AR5K_AR5212_PIMR_TXURN #undef AR5K_AR5212_PIMR_MIB #undef AR5K_AR5212_PIMR_SWI #undef AR5K_AR5212_PIMR_RXPHY #undef AR5K_AR5212_PIMR_RXKCM #undef AR5K_AR5212_PIMR_SWBA #undef AR5K_AR5212_PIMR_BRSSI #undef AR5K_AR5212_PIMR_BMISS #undef AR5K_AR5212_PIMR_HIUERR #undef AR5K_AR5212_PIMR_BNR #undef AR5K_AR5212_PIMR_RXCHIRP #undef AR5K_AR5212_PIMR_TIM #undef AR5K_AR5212_PIMR_BCNMISC #undef AR5K_AR5212_PIMR_GPIO #undef AR5K_AR5212_PIMR_QCBRORN #undef AR5K_AR5212_PIMR_QCBRURN #undef AR5K_AR5212_PIMR_QTRIG } /* Print out a single register name/address/value in hex and binary */ static inline void _print_decoded_register(struct ath_hal *ah, const char *device_name, HAL_BOOL prefer_alq, int regop, u_int32_t address, u_int32_t oldval, u_int32_t newval, HAL_BOOL verbose) { _print_decoded_register_delta(ah, device_name, prefer_alq, regop, address, oldval, newval, verbose); _print_decoded_register_bitfields(ah, device_name, prefer_alq, regop, address, oldval, newval, verbose); } /* Print out a single register name/address/value in hex and binary */ static inline void _print_undecoded_register(struct ath_hal *ah, const char *device_name, HAL_BOOL prefer_alq, int regop, u_int32_t address, u_int32_t newval) { ath_hal_printf(ah, prefer_alq, "%s%s%s0x%05x = 0x%08x - %s\n", device_name ? device_name : "", device_name ? ":" : "", (regop == REGOP_READ ? "R:" : (regop == REGOP_WRITE ? "W:" : "")), address, newval, (ath_hal_func ?: "unknown") ); } /* Print out a single register name/address/value in hex and binary */ void ath_hal_print_decoded_register(struct ath_hal *ah, const char *device_name, u_int32_t address, u_int32_t oldval, u_int32_t newval, HAL_BOOL bitfields) { _print_decoded_register(ah, device_name, AH_FALSE /* don't use alq */, REGOP_NONE, address, oldval, newval, bitfields); } EXPORT_SYMBOL(ath_hal_print_decoded_register); /* Print out a single register in simple undecoded form */ void ath_hal_print_register(struct ath_hal *ah, const char *device_name, u_int32_t address, u_int32_t newval) { _print_undecoded_register(ah, device_name, AH_FALSE /* don't use alq */, REGOP_NONE, address, newval); } EXPORT_SYMBOL(ath_hal_print_register); #if defined(AH_DEBUG) || defined(AH_REGOPS_FUNC) || defined(AH_DEBUG_ALQ) /* * Memory-mapped device register read/write. These are here * as routines when debugging support is enabled and/or when * explicitly configured to use function calls. The latter is * for architectures that might need to do something before * referencing memory (e.g. remap an i/o window). * * This should only be called while holding the lock, sc->sc_hal_lock. * * NB: see the comments in ah_osdep.h about byte-swapping register * reads and writes to understand what's going on below. */ void __ahdecl ath_hal_reg_write(struct ath_hal *ah, u_int address, u_int32_t value) { _OS_REG_WRITE(ah, address, value); } EXPORT_SYMBOL(ath_hal_reg_write); /* This should only be called while holding the lock, sc->sc_hal_lock. */ u_int32_t __ahdecl ath_hal_reg_read(struct ath_hal *ah, u_int address) { u_int32_t val = _OS_REG_READ(ah, address); return val; } EXPORT_SYMBOL(ath_hal_reg_read); #endif /* * Delay n microseconds. */ void __ahdecl ath_hal_delay(int n) { udelay(n); } /* * Allocate/free memory. */ void * __ahdecl ath_hal_malloc(size_t size) { return kzalloc(size, GFP_KERNEL); } void __ahdecl ath_hal_free(void *p) { kfree(p); } void __ahdecl ath_hal_memzero(void *dst, size_t n) { memset(dst, 0, n); } EXPORT_SYMBOL(ath_hal_memzero); void * __ahdecl ath_hal_memcpy(void *dst, const void *src, size_t n) { return memcpy(dst, src, n); } EXPORT_SYMBOL(ath_hal_memcpy); int __ahdecl ath_hal_memcmp(const void *a, const void *b, size_t n) { return memcmp(a, b, n); } EXPORT_SYMBOL(ath_hal_memcmp); static struct ctl_table ath_hal_sysctls[] = { #ifdef AH_DEBUG { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "debug", .mode = 0644, .data = &ath_hal_debug, .maxlen = sizeof(ath_hal_debug), .proc_handler = proc_dointvec }, #endif /* AH_DEBUG */ { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "dma_beacon_response_time", .data = &ath_hal_dma_beacon_response_time, .maxlen = sizeof(ath_hal_dma_beacon_response_time), .mode = 0644, .proc_handler = proc_dointvec }, { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "sw_beacon_response_time", .mode = 0644, .data = &ath_hal_sw_beacon_response_time, .maxlen = sizeof(ath_hal_sw_beacon_response_time), .proc_handler = proc_dointvec }, { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "swba_backoff", .mode = 0644, .data = &ath_hal_additional_swba_backoff, .maxlen = sizeof(ath_hal_additional_swba_backoff), .proc_handler = proc_dointvec }, #ifdef AH_DEBUG_ALQ { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "alq", .mode = 0644, .proc_handler = sysctl_hw_ath_hal_log }, { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "alq_size", .mode = 0644, .data = &ath_hal_alq_qsize, .maxlen = sizeof(ath_hal_alq_qsize), .proc_handler = proc_dointvec }, { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "alq_lost", .mode = 0644, .data = &ath_hal_alq_lost, .maxlen = sizeof(ath_hal_alq_lost), .proc_handler = proc_dointvec }, #endif /* AH_DEBUG_ALQ */ { } }; static struct ctl_table ath_hal_table[] = { { ATH_INIT_CTL_NAME(CTL_AUTO) .procname = "hal", .mode = 0555, .child = ath_hal_sysctls }, { } }; static struct ctl_table ath_ath_table[] = { { ATH_INIT_CTL_NAME(DEV_ATH) .procname = "ath", .mode = 0555, .child = ath_hal_table }, { } }; static struct ctl_table ath_root_table[] = { { ATH_INIT_CTL_NAME(CTL_DEV) .procname = "dev", .mode = 0555, .child = ath_ath_table }, { } }; static struct ctl_table_header *ath_hal_sysctl_header; static void ath_hal_sysctl_register(void) { static int initialized = 0; if (!initialized) { ath_hal_sysctl_header = ATH_REGISTER_SYSCTL_TABLE(ath_root_table); initialized = 1; } } static void ath_hal_sysctl_unregister(void) { if (ath_hal_sysctl_header) unregister_sysctl_table(ath_hal_sysctl_header); } /* * Module glue. */ #if 0 static char *dev_info = "ath_hal"; #endif MODULE_AUTHOR("Errno Consulting, Sam Leffler"); MODULE_DESCRIPTION("Atheros Hardware Access Layer (HAL)"); MODULE_SUPPORTED_DEVICE("Atheros WLAN devices"); #ifdef MODULE_LICENSE MODULE_LICENSE("Dual BSD/GPL"); #endif EXPORT_SYMBOL(ath_hal_probe); EXPORT_SYMBOL(_ath_hal_attach); EXPORT_SYMBOL(_ath_hal_detach); EXPORT_SYMBOL(ath_hal_init_channels); EXPORT_SYMBOL(ath_hal_getwirelessmodes); EXPORT_SYMBOL(ath_hal_computetxtime); EXPORT_SYMBOL(ath_hal_mhz2ieee); EXPORT_SYMBOL(ath_hal_process_noisefloor); static int __init init_ath_hal(void) { ath_hal_sysctl_register(); return (0); } module_init(init_ath_hal); static void __exit exit_ath_hal(void) { ath_hal_sysctl_unregister(); } module_exit(exit_ath_hal);