/*- * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting, Atheros * Communications, Inc. All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the following conditions are met: * 1. The materials contained herein are unmodified and are used * unmodified. * 2. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following NO * ''WARRANTY'' disclaimer below (''Disclaimer''), without * modification. * 3. Redistributions in binary form must reproduce at minimum a * disclaimer similar to the Disclaimer below and any redistribution * must be conditioned upon including a substantially similar * Disclaimer requirement for further binary redistribution. * 4. Neither the names of the above-listed copyright holders nor the * names of any contributors may be used to endorse or promote * product derived from this software without specific prior written * permission. * * 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. * * $NetBSD$ * $Id: ah_osdep.c,v 1.22 2003/07/26 14:58:00 sam Exp $ */ #ifdef __FreeBSD__ #include "opt_ah.h" #endif #ifdef __NetBSD__ #include <../contrib/sys/arch/i386/dev/athhal_opt.h> #endif #include #include #include #include #include #include #include #include #include #include #include /* XXX for ether_sprintf */ #include <../contrib/sys/dev/ic/athhal.h> #define AH_TIMEOUT 1000 #ifdef DELAY #undef DELAY #endif #ifdef bcopy #undef bcopy #endif extern void DELAY(int); extern void ath_hal_delay(int); extern u_int32_t ath_hal_getuptime(struct ath_hal *); void bcopy(const void *, void *, size_t); extern HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg, u_int32_t mask, u_int32_t val); extern void ath_hal_printf(struct ath_hal *, const char*, ...); extern void ath_hal_vprintf(struct ath_hal *, const char*, va_list); extern const char* ath_hal_ether_sprintf(const u_int8_t *mac); extern void *ath_hal_malloc(size_t); extern void ath_hal_free(void *); #ifdef AH_ASSERT extern void ath_hal_assert_failed(const char* filename, int lineno, const char* msg); #endif #ifdef AH_DEBUG extern void HALDEBUG(struct ath_hal *ah, const char* fmt, ...); extern void HALDEBUGn(struct ath_hal *ah, u_int level, const char* fmt, ...); #endif /* AH_DEBUG */ #ifdef AH_DEBUG static int ath_hal_debug = 0; /* XXX */ #endif /* AH_DEBUG */ #include <../contrib/sys/dev/ic/athhal_version.h> char ath_hal_version[] = ATH_HAL_VERSION; int ath_hal_dma_beacon_response_time = 2; /* in TU's */ int ath_hal_sw_beacon_response_time = 10; /* in TU's */ int ath_hal_additional_swba_backoff = 0; /* in TU's */ /* * Poll the register looking for a specific value. */ HAL_BOOL ath_hal_wait(struct ath_hal *ah, u_int reg, u_int32_t mask, u_int32_t val) { int i; for (i = 0; i < AH_TIMEOUT; i++) { if ((OS_REG_READ(ah, reg) & mask) == val) return AH_TRUE; DELAY(10); } ath_hal_printf(ah, "ath_hal_wait: timeout on reg 0x%x: " "0x%08x & 0x%08x != 0x%08x\n", reg, OS_REG_READ(ah, reg), mask, val); return AH_FALSE; } void* ath_hal_malloc(size_t size) { return malloc(size, M_DEVBUF, M_NOWAIT | M_ZERO); } void ath_hal_free(void* p) { return free(p, M_DEVBUF); } void ath_hal_vprintf(struct ath_hal *ah, const char* fmt, va_list ap) { vprintf(fmt, ap); } void ath_hal_printf(struct ath_hal *ah, const char* fmt, ...) { va_list ap; va_start(ap, fmt); ath_hal_vprintf(ah, fmt, ap); va_end(ap); } const char* ath_hal_ether_sprintf(const u_int8_t *mac) { return ether_sprintf(mac); } #ifdef AH_DEBUG void HALDEBUG(struct ath_hal *ah, const char* fmt, ...) { if (ath_hal_debug) { va_list ap; va_start(ap, fmt); ath_hal_vprintf(ah, fmt, ap); va_end(ap); } } void HALDEBUGn(struct ath_hal *ah, u_int level, const char* fmt, ...) { if (ath_hal_debug >= level) { va_list ap; va_start(ap, fmt); ath_hal_vprintf(ah, fmt, ap); va_end(ap); } } #endif /* AH_DEBUG */ #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 /tmp/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 arcode 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 #include #include static struct alq *ath_hal_alq; static int ath_hal_alq_emitdev; /* need to emit DEVICE record */ static u_int ath_hal_alq_lost; /* count of lost records */ static const char *ath_hal_logfile = "/tmp/ath_hal.log"; static u_int ath_hal_alq_qsize = 64*1024; static int ath_hal_setlogging(int enable) { int error; if (enable) { error = suser(curthread); if (error == 0) { error = alq_open(&ath_hal_alq, ath_hal_logfile, curthread->td_ucred, sizeof (struct athregrec), ath_hal_alq_qsize); ath_hal_alq_lost = 0; ath_hal_alq_emitdev = 1; printf("ath_hal: logging to %s enabled\n", ath_hal_logfile); } } else { if (ath_hal_alq) alq_close(ath_hal_alq); ath_hal_alq = NULL; printf("ath_hal: logging disabled\n"); error = 0; } return (error); } static int sysctl_hw_ath_hal_log(SYSCTL_HANDLER_ARGS) { int error, enable; enable = (ath_hal_alq != NULL); error = sysctl_handle_int(oidp, &enable, 0, req); if (error || !req->newptr) return (error); else return (ath_hal_setlogging(enable)); } SYSCTL_PROC(_hw_ath_hal, OID_AUTO, alq, CTLTYPE_INT|CTLFLAG_RW, 0, 0, sysctl_hw_ath_hal_log, "I", "Enable HAL register logging"); SYSCTL_INT(_hw_ath_hal, OID_AUTO, alq_size, CTLFLAG_RW, &ath_hal_alq_qsize, 0, "In-memory log size (#records)"); SYSCTL_INT(_hw_ath_hal, OID_AUTO, alq_lost, CTLFLAG_RW, &ath_hal_alq_lost, 0, "Register operations not logged"); static struct ale * ath_hal_alq_get(struct ath_hal *ah) { struct ale *ale; if (ath_hal_alq_emitdev) { ale = alq_get(ath_hal_alq, ALQ_NOWAIT); if (ale) { struct athregrec *r = (struct athregrec *) ale->ae_data; r->op = OP_DEVICE; r->reg = 0; r->val = ah->ah_devid; alq_post(ath_hal_alq, ale); ath_hal_alq_emitdev = 0; } else ath_hal_alq_lost++; } ale = alq_get(ath_hal_alq, ALQ_NOWAIT); if (!ale) ath_hal_alq_lost++; return ale; } void OS_REG_WRITE(struct ath_hal *ah, u_int32_t reg, u_int32_t val) { if (ath_hal_alq) { struct ale *ale = ath_hal_alq_get(ah); if (ale) { struct athregrec *r = (struct athregrec *) ale->ae_data; r->op = OP_WRITE; r->reg = reg; r->val = val; alq_post(ath_hal_alq, ale); } } bus_space_write_4(ah->ah_st, ah->ah_sh, reg, val); } u_int32_t OS_REG_READ(struct ath_hal *ah, u_int32_t reg) { u_int32_t val; val = bus_space_read_4(ah->ah_st, ah->ah_sh, reg); if (ath_hal_alq) { struct ale *ale = ath_hal_alq_get(ah); if (ale) { struct athregrec *r = (struct athregrec *) ale->ae_data; r->op = OP_READ; r->reg = reg; r->val = val; alq_post(ath_hal_alq, ale); } } return val; } void OS_MARK(struct ath_hal *ah, u_int id, u_int32_t v) { if (ath_hal_alq) { struct ale *ale = ath_hal_alq_get(ah); if (ale) { struct athregrec *r = (struct athregrec *) ale->ae_data; r->op = OP_MARK; r->reg = id; r->val = v; alq_post(ath_hal_alq, ale); } } } #endif /* AH_DEBUG_ALQ */ #ifdef AH_ASSERT void ath_hal_assert_failed(const char* filename, int lineno, const char *msg) { printf("Atheros HAL assertion failure: %s: line %u: %s\n", filename, lineno, msg); panic("ath_hal_assert"); } #endif /* AH_ASSERT */ u_int32_t OS_GETUPTIME(struct ath_hal *ah) { struct timeval tv; int s; s = splclock(); tv = mono_time; splx(s); return (tv.tv_sec * 1000) + (tv.tv_usec / 1000); } u_int32_t ath_hal_getuptime(struct ath_hal *ah) { struct timeval tv; int s; s = splclock(); tv = mono_time; splx(s); return (tv.tv_sec * 1000) + (tv.tv_usec / 1000); } void DELAY(int delay) { delay(delay); } void ath_hal_delay(int delay) { delay(delay); } void bcopy(const void *src, void *dst, size_t len) { (void)memmove(dst, src, len); }