1 files changed, 0 insertions, 394 deletions

diff --git a/gpxe/src/drivers/net/ath5k/ath5k_qcu.c b/gpxe/src/drivers/net/ath5k/ath5k_qcu.c
deleted file mode 100644
index a674b85b..00000000
--- a/gpxe/src/drivers/net/ath5k/ath5k_qcu.c
+++ /dev/null
@@ -1,394 +0,0 @@
-/*
- * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
- * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
- *
- * Lightly modified for gPXE, July 2009, by Joshua Oreman <oremanj@rwcr.net>.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-FILE_LICENCE ( MIT );
-
-/********************************************\
-Queue Control Unit, DFS Control Unit Functions
-\********************************************/
-
-#include "ath5k.h"
-#include "reg.h"
-#include "base.h"
-
-/*
- * Set properties for a transmit queue
- */
-int ath5k_hw_set_tx_queueprops(struct ath5k_hw *ah,
-				const struct ath5k_txq_info *queue_info)
-{
-	if (ah->ah_txq.tqi_type == AR5K_TX_QUEUE_INACTIVE)
-		return -EIO;
-
-	memcpy(&ah->ah_txq, queue_info, sizeof(struct ath5k_txq_info));
-
-	/*XXX: Is this supported on 5210 ?*/
-	if ((queue_info->tqi_type == AR5K_TX_QUEUE_DATA &&
-			((queue_info->tqi_subtype == AR5K_WME_AC_VI) ||
-			(queue_info->tqi_subtype == AR5K_WME_AC_VO))) ||
-			queue_info->tqi_type == AR5K_TX_QUEUE_UAPSD)
-		ah->ah_txq.tqi_flags |= AR5K_TXQ_FLAG_POST_FR_BKOFF_DIS;
-
-	return 0;
-}
-
-/*
- * Initialize a transmit queue
- */
-int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type,
-		struct ath5k_txq_info *queue_info)
-{
-	unsigned int queue;
-	int ret;
-
-	/* We only use one queue */
-	queue = 0;
-
-	/*
-	 * Setup internal queue structure
-	 */
-	memset(&ah->ah_txq, 0, sizeof(struct ath5k_txq_info));
-	ah->ah_txq.tqi_type = queue_type;
-
-	if (queue_info != NULL) {
-		queue_info->tqi_type = queue_type;
-		ret = ath5k_hw_set_tx_queueprops(ah, queue_info);
-		if (ret)
-			return ret;
-	}
-
-	/*
-	 * We use ah_txq_status to hold a temp value for
-	 * the Secondary interrupt mask registers on 5211+
-	 * check out ath5k_hw_reset_tx_queue
-	 */
-	AR5K_Q_ENABLE_BITS(ah->ah_txq_status, 0);
-
-	return 0;
-}
-
-/*
- * Set a transmit queue inactive
- */
-void ath5k_hw_release_tx_queue(struct ath5k_hw *ah)
-{
-	/* This queue will be skipped in further operations */
-	ah->ah_txq.tqi_type = AR5K_TX_QUEUE_INACTIVE;
-	/*For SIMR setup*/
-	AR5K_Q_DISABLE_BITS(ah->ah_txq_status, 0);
-}
-
-/*
- * Set DFS properties for a transmit queue on DCU
- */
-int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah)
-{
-	u32 cw_min, cw_max, retry_lg, retry_sh;
-	struct ath5k_txq_info *tq = &ah->ah_txq;
-	const int queue = 0;
-
-	tq = &ah->ah_txq;
-
-	if (tq->tqi_type == AR5K_TX_QUEUE_INACTIVE)
-		return 0;
-
-	if (ah->ah_version == AR5K_AR5210) {
-		/* Only handle data queues, others will be ignored */
-		if (tq->tqi_type != AR5K_TX_QUEUE_DATA)
-			return 0;
-
-		/* Set Slot time */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_SLOT_TIME_TURBO : AR5K_INIT_SLOT_TIME,
-			AR5K_SLOT_TIME);
-		/* Set ACK_CTS timeout */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_ACK_CTS_TIMEOUT_TURBO :
-			AR5K_INIT_ACK_CTS_TIMEOUT, AR5K_SLOT_TIME);
-		/* Set Transmit Latency */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_TRANSMIT_LATENCY_TURBO :
-			AR5K_INIT_TRANSMIT_LATENCY, AR5K_USEC_5210);
-
-		/* Set IFS0 */
-		if (ah->ah_turbo) {
-			 ath5k_hw_reg_write(ah, ((AR5K_INIT_SIFS_TURBO +
-				(ah->ah_aifs + tq->tqi_aifs) *
-				AR5K_INIT_SLOT_TIME_TURBO) <<
-				AR5K_IFS0_DIFS_S) | AR5K_INIT_SIFS_TURBO,
-				AR5K_IFS0);
-		} else {
-			ath5k_hw_reg_write(ah, ((AR5K_INIT_SIFS +
-				(ah->ah_aifs + tq->tqi_aifs) *
-				AR5K_INIT_SLOT_TIME) << AR5K_IFS0_DIFS_S) |
-				AR5K_INIT_SIFS, AR5K_IFS0);
-		}
-
-		/* Set IFS1 */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_PROTO_TIME_CNTRL_TURBO :
-			AR5K_INIT_PROTO_TIME_CNTRL, AR5K_IFS1);
-		/* Set AR5K_PHY_SETTLING */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			(ath5k_hw_reg_read(ah, AR5K_PHY_SETTLING) & ~0x7F)
-			| 0x38 :
-			(ath5k_hw_reg_read(ah, AR5K_PHY_SETTLING) & ~0x7F)
-			| 0x1C,
-			AR5K_PHY_SETTLING);
-		/* Set Frame Control Register */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			(AR5K_PHY_FRAME_CTL_INI | AR5K_PHY_TURBO_MODE |
-			AR5K_PHY_TURBO_SHORT | 0x2020) :
-			(AR5K_PHY_FRAME_CTL_INI | 0x1020),
-			AR5K_PHY_FRAME_CTL_5210);
-	}
-
-	/*
-	 * Calculate cwmin/max by channel mode
-	 */
-	cw_min = ah->ah_cw_min = AR5K_TUNE_CWMIN;
-	cw_max = ah->ah_cw_max = AR5K_TUNE_CWMAX;
-	ah->ah_aifs = AR5K_TUNE_AIFS;
-	/*XR is only supported on 5212*/
-	if (IS_CHAN_XR(ah->ah_current_channel) &&
-			ah->ah_version == AR5K_AR5212) {
-		cw_min = ah->ah_cw_min = AR5K_TUNE_CWMIN_XR;
-		cw_max = ah->ah_cw_max = AR5K_TUNE_CWMAX_XR;
-		ah->ah_aifs = AR5K_TUNE_AIFS_XR;
-	/*B mode is not supported on 5210*/
-	} else if (IS_CHAN_B(ah->ah_current_channel) &&
-			ah->ah_version != AR5K_AR5210) {
-		cw_min = ah->ah_cw_min = AR5K_TUNE_CWMIN_11B;
-		cw_max = ah->ah_cw_max = AR5K_TUNE_CWMAX_11B;
-		ah->ah_aifs = AR5K_TUNE_AIFS_11B;
-	}
-
-	cw_min = 1;
-	while (cw_min < ah->ah_cw_min)
-		cw_min = (cw_min << 1) | 1;
-
-	cw_min = tq->tqi_cw_min < 0 ? (cw_min >> (-tq->tqi_cw_min)) :
-		((cw_min << tq->tqi_cw_min) + (1 << tq->tqi_cw_min) - 1);
-	cw_max = tq->tqi_cw_max < 0 ? (cw_max >> (-tq->tqi_cw_max)) :
-		((cw_max << tq->tqi_cw_max) + (1 << tq->tqi_cw_max) - 1);
-
-	/*
-	 * Calculate and set retry limits
-	 */
-	if (ah->ah_software_retry) {
-		/* XXX Need to test this */
-		retry_lg = ah->ah_limit_tx_retries;
-		retry_sh = retry_lg = retry_lg > AR5K_DCU_RETRY_LMT_SH_RETRY ?
-			AR5K_DCU_RETRY_LMT_SH_RETRY : retry_lg;
-	} else {
-		retry_lg = AR5K_INIT_LG_RETRY;
-		retry_sh = AR5K_INIT_SH_RETRY;
-	}
-
-	/*No QCU/DCU [5210]*/
-	if (ah->ah_version == AR5K_AR5210) {
-		ath5k_hw_reg_write(ah,
-			(cw_min << AR5K_NODCU_RETRY_LMT_CW_MIN_S)
-			| AR5K_REG_SM(AR5K_INIT_SLG_RETRY,
-				AR5K_NODCU_RETRY_LMT_SLG_RETRY)
-			| AR5K_REG_SM(AR5K_INIT_SSH_RETRY,
-				AR5K_NODCU_RETRY_LMT_SSH_RETRY)
-			| AR5K_REG_SM(retry_lg, AR5K_NODCU_RETRY_LMT_LG_RETRY)
-			| AR5K_REG_SM(retry_sh, AR5K_NODCU_RETRY_LMT_SH_RETRY),
-			AR5K_NODCU_RETRY_LMT);
-	} else {
-		/*QCU/DCU [5211+]*/
-		ath5k_hw_reg_write(ah,
-			AR5K_REG_SM(AR5K_INIT_SLG_RETRY,
-				AR5K_DCU_RETRY_LMT_SLG_RETRY) |
-			AR5K_REG_SM(AR5K_INIT_SSH_RETRY,
-				AR5K_DCU_RETRY_LMT_SSH_RETRY) |
-			AR5K_REG_SM(retry_lg, AR5K_DCU_RETRY_LMT_LG_RETRY) |
-			AR5K_REG_SM(retry_sh, AR5K_DCU_RETRY_LMT_SH_RETRY),
-			AR5K_QUEUE_DFS_RETRY_LIMIT(queue));
-
-	/*===Rest is also for QCU/DCU only [5211+]===*/
-
-		/*
-		 * Set initial content window (cw_min/cw_max)
-		 * and arbitrated interframe space (aifs)...
-		 */
-		ath5k_hw_reg_write(ah,
-			AR5K_REG_SM(cw_min, AR5K_DCU_LCL_IFS_CW_MIN) |
-			AR5K_REG_SM(cw_max, AR5K_DCU_LCL_IFS_CW_MAX) |
-			AR5K_REG_SM(ah->ah_aifs + tq->tqi_aifs,
-				AR5K_DCU_LCL_IFS_AIFS),
-			AR5K_QUEUE_DFS_LOCAL_IFS(queue));
-
-		/*
-		 * Set misc registers
-		 */
-		/* Enable DCU early termination for this queue */
-		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-					AR5K_QCU_MISC_DCU_EARLY);
-
-		/* Enable DCU to wait for next fragment from QCU */
-		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
-					AR5K_DCU_MISC_FRAG_WAIT);
-
-		/* On Maui and Spirit use the global seqnum on DCU */
-		if (ah->ah_mac_version < AR5K_SREV_AR5211)
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
-						AR5K_DCU_MISC_SEQNUM_CTL);
-
-		if (tq->tqi_cbr_period) {
-			ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_cbr_period,
-				AR5K_QCU_CBRCFG_INTVAL) |
-				AR5K_REG_SM(tq->tqi_cbr_overflow_limit,
-				AR5K_QCU_CBRCFG_ORN_THRES),
-				AR5K_QUEUE_CBRCFG(queue));
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-				AR5K_QCU_MISC_FRSHED_CBR);
-			if (tq->tqi_cbr_overflow_limit)
-				AR5K_REG_ENABLE_BITS(ah,
-					AR5K_QUEUE_MISC(queue),
-					AR5K_QCU_MISC_CBR_THRES_ENABLE);
-		}
-
-		if (tq->tqi_ready_time &&
-		(tq->tqi_type != AR5K_TX_QUEUE_ID_CAB))
-			ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_ready_time,
-				AR5K_QCU_RDYTIMECFG_INTVAL) |
-				AR5K_QCU_RDYTIMECFG_ENABLE,
-				AR5K_QUEUE_RDYTIMECFG(queue));
-
-		if (tq->tqi_burst_time) {
-			ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_burst_time,
-				AR5K_DCU_CHAN_TIME_DUR) |
-				AR5K_DCU_CHAN_TIME_ENABLE,
-				AR5K_QUEUE_DFS_CHANNEL_TIME(queue));
-
-			if (tq->tqi_flags
-			& AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)
-				AR5K_REG_ENABLE_BITS(ah,
-					AR5K_QUEUE_MISC(queue),
-					AR5K_QCU_MISC_RDY_VEOL_POLICY);
-		}
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_BACKOFF_DISABLE)
-			ath5k_hw_reg_write(ah, AR5K_DCU_MISC_POST_FR_BKOFF_DIS,
-				AR5K_QUEUE_DFS_MISC(queue));
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE)
-			ath5k_hw_reg_write(ah, AR5K_DCU_MISC_BACKOFF_FRAG,
-				AR5K_QUEUE_DFS_MISC(queue));
-
-		/* TODO: Handle frame compression */
-
-		/*
-		 * Enable interrupts for this tx queue
-		 * in the secondary interrupt mask registers
-		 */
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXOKINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txok, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXERRINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txerr, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXURNINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txurn, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXDESCINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txdesc, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXEOLINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txeol, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRORNINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrorn, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRURNINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrurn, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_QTRIGINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_qtrig, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXNOFRMINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_nofrm, queue);
-
-		/* Update secondary interrupt mask registers */
-
-		/* Filter out inactive queues */
-		ah->ah_txq_imr_txok &= ah->ah_txq_status;
-		ah->ah_txq_imr_txerr &= ah->ah_txq_status;
-		ah->ah_txq_imr_txurn &= ah->ah_txq_status;
-		ah->ah_txq_imr_txdesc &= ah->ah_txq_status;
-		ah->ah_txq_imr_txeol &= ah->ah_txq_status;
-		ah->ah_txq_imr_cbrorn &= ah->ah_txq_status;
-		ah->ah_txq_imr_cbrurn &= ah->ah_txq_status;
-		ah->ah_txq_imr_qtrig &= ah->ah_txq_status;
-		ah->ah_txq_imr_nofrm &= ah->ah_txq_status;
-
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txok,
-			AR5K_SIMR0_QCU_TXOK) |
-			AR5K_REG_SM(ah->ah_txq_imr_txdesc,
-			AR5K_SIMR0_QCU_TXDESC), AR5K_SIMR0);
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txerr,
-			AR5K_SIMR1_QCU_TXERR) |
-			AR5K_REG_SM(ah->ah_txq_imr_txeol,
-			AR5K_SIMR1_QCU_TXEOL), AR5K_SIMR1);
-		/* Update simr2 but don't overwrite rest simr2 settings */
-		AR5K_REG_DISABLE_BITS(ah, AR5K_SIMR2, AR5K_SIMR2_QCU_TXURN);
-		AR5K_REG_ENABLE_BITS(ah, AR5K_SIMR2,
-			AR5K_REG_SM(ah->ah_txq_imr_txurn,
-			AR5K_SIMR2_QCU_TXURN));
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_cbrorn,
-			AR5K_SIMR3_QCBRORN) |
-			AR5K_REG_SM(ah->ah_txq_imr_cbrurn,
-			AR5K_SIMR3_QCBRURN), AR5K_SIMR3);
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_qtrig,
-			AR5K_SIMR4_QTRIG), AR5K_SIMR4);
-		/* Set TXNOFRM_QCU for the queues with TXNOFRM enabled */
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_nofrm,
-			AR5K_TXNOFRM_QCU), AR5K_TXNOFRM);
-		/* No queue has TXNOFRM enabled, disable the interrupt
-		 * by setting AR5K_TXNOFRM to zero */
-		if (ah->ah_txq_imr_nofrm == 0)
-			ath5k_hw_reg_write(ah, 0, AR5K_TXNOFRM);
-
-		/* Set QCU mask for this DCU to save power */
-		AR5K_REG_WRITE_Q(ah, AR5K_QUEUE_QCUMASK(queue), queue);
-	}
-
-	return 0;
-}
-
-/*
- * Set slot time on DCU
- */
-int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time)
-{
-	if (slot_time < AR5K_SLOT_TIME_9 || slot_time > AR5K_SLOT_TIME_MAX)
-		return -EINVAL;
-
-	if (ah->ah_version == AR5K_AR5210)
-		ath5k_hw_reg_write(ah, ath5k_hw_htoclock(slot_time,
-				ah->ah_turbo), AR5K_SLOT_TIME);
-	else
-		ath5k_hw_reg_write(ah, slot_time, AR5K_DCU_GBL_IFS_SLOT);
-
-	return 0;
-}
-