Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 540 deletions

diff --git a/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/mci.c b/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/mci.c
deleted file mode 100644
index 29fe52d6..00000000
--- a/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/mci.c
+++ /dev/null
@@ -1,540 +0,0 @@
-/*
- * Copyright (c) 2010-2011 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or 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.
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-
-#include "ath9k.h"
-#include "mci.h"
-
-static const u8 ath_mci_duty_cycle[] = { 0, 50, 60, 70, 80, 85, 90, 95, 98 };
-
-static struct ath_mci_profile_info*
-ath_mci_find_profile(struct ath_mci_profile *mci,
-		     struct ath_mci_profile_info *info)
-{
-	struct ath_mci_profile_info *entry;
-
-	list_for_each_entry(entry, &mci->info, list) {
-		if (entry->conn_handle == info->conn_handle)
-			break;
-	}
-	return entry;
-}
-
-static bool ath_mci_add_profile(struct ath_common *common,
-				struct ath_mci_profile *mci,
-				struct ath_mci_profile_info *info)
-{
-	struct ath_mci_profile_info *entry;
-
-	if ((mci->num_sco == ATH_MCI_MAX_SCO_PROFILE) &&
-	    (info->type == MCI_GPM_COEX_PROFILE_VOICE))
-		return false;
-
-	if (((NUM_PROF(mci) - mci->num_sco) == ATH_MCI_MAX_ACL_PROFILE) &&
-	    (info->type != MCI_GPM_COEX_PROFILE_VOICE))
-		return false;
-
-	entry = ath_mci_find_profile(mci, info);
-
-	if (entry) {
-		memcpy(entry, info, 10);
-	} else {
-		entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-		if (!entry)
-			return false;
-
-		memcpy(entry, info, 10);
-		INC_PROF(mci, info);
-		list_add_tail(&info->list, &mci->info);
-	}
-
-	return true;
-}
-
-static void ath_mci_del_profile(struct ath_common *common,
-				struct ath_mci_profile *mci,
-				struct ath_mci_profile_info *info)
-{
-	struct ath_mci_profile_info *entry;
-
-	entry = ath_mci_find_profile(mci, info);
-
-	if (!entry)
-		return;
-
-	DEC_PROF(mci, entry);
-	list_del(&entry->list);
-	kfree(entry);
-}
-
-void ath_mci_flush_profile(struct ath_mci_profile *mci)
-{
-	struct ath_mci_profile_info *info, *tinfo;
-
-	list_for_each_entry_safe(info, tinfo, &mci->info, list) {
-		list_del(&info->list);
-		DEC_PROF(mci, info);
-		kfree(info);
-	}
-	mci->aggr_limit = 0;
-}
-
-static void ath_mci_adjust_aggr_limit(struct ath_btcoex *btcoex)
-{
-	struct ath_mci_profile *mci = &btcoex->mci;
-	u32 wlan_airtime = btcoex->btcoex_period *
-				(100 - btcoex->duty_cycle) / 100;
-
-	/*
-	 * Scale: wlan_airtime is in ms, aggr_limit is in 0.25 ms.
-	 * When wlan_airtime is less than 4ms, aggregation limit has to be
-	 * adjusted half of wlan_airtime to ensure that the aggregation can fit
-	 * without collision with BT traffic.
-	 */
-	if ((wlan_airtime <= 4) &&
-	    (!mci->aggr_limit || (mci->aggr_limit > (2 * wlan_airtime))))
-		mci->aggr_limit = 2 * wlan_airtime;
-}
-
-static void ath_mci_update_scheme(struct ath_softc *sc)
-{
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_mci_profile *mci = &btcoex->mci;
-	struct ath_mci_profile_info *info;
-	u32 num_profile = NUM_PROF(mci);
-
-	if (num_profile == 1) {
-		info = list_first_entry(&mci->info,
-					struct ath_mci_profile_info,
-					list);
-		if (mci->num_sco && info->T == 12) {
-			mci->aggr_limit = 8;
-			ath_dbg(common, MCI,
-				"Single SCO, aggregation limit 2 ms\n");
-		} else if ((info->type == MCI_GPM_COEX_PROFILE_BNEP) &&
-			   !info->master) {
-			btcoex->btcoex_period = 60;
-			ath_dbg(common, MCI,
-				"Single slave PAN/FTP, bt period 60 ms\n");
-		} else if ((info->type == MCI_GPM_COEX_PROFILE_HID) &&
-			 (info->T > 0 && info->T < 50) &&
-			 (info->A > 1 || info->W > 1)) {
-			btcoex->duty_cycle = 30;
-			mci->aggr_limit = 8;
-			ath_dbg(common, MCI,
-				"Multiple attempt/timeout single HID "
-				"aggregation limit 2 ms dutycycle 30%%\n");
-		}
-	} else if ((num_profile == 2) && (mci->num_hid == 2)) {
-		btcoex->duty_cycle = 30;
-		mci->aggr_limit = 8;
-		ath_dbg(common, MCI,
-			"Two HIDs aggregation limit 2 ms dutycycle 30%%\n");
-	} else if (num_profile > 3) {
-		mci->aggr_limit = 6;
-		ath_dbg(common, MCI,
-			"Three or more profiles aggregation limit 1.5 ms\n");
-	}
-
-	if (IS_CHAN_2GHZ(sc->sc_ah->curchan)) {
-		if (IS_CHAN_HT(sc->sc_ah->curchan))
-			ath_mci_adjust_aggr_limit(btcoex);
-		else
-			btcoex->btcoex_period >>= 1;
-	}
-
-	ath9k_hw_btcoex_disable(sc->sc_ah);
-	ath9k_btcoex_timer_pause(sc);
-
-	if (IS_CHAN_5GHZ(sc->sc_ah->curchan))
-		return;
-
-	btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_MAX_DUTY_CYCLE : 0);
-	if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE)
-		btcoex->duty_cycle = ATH_MCI_MAX_DUTY_CYCLE;
-
-	btcoex->btcoex_period *= 1000;
-	btcoex->btcoex_no_stomp =  btcoex->btcoex_period *
-		(100 - btcoex->duty_cycle) / 100;
-
-	ath9k_hw_btcoex_enable(sc->sc_ah);
-	ath9k_btcoex_timer_resume(sc);
-}
-
-static void ath_mci_cal_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload)
-{
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_common *common = ath9k_hw_common(ah);
-	u32 payload[4] = {0, 0, 0, 0};
-
-	switch (opcode) {
-	case MCI_GPM_BT_CAL_REQ:
-		if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_AWAKE) {
-			ar9003_mci_state(ah, MCI_STATE_SET_BT_CAL_START, NULL);
-			ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
-		} else {
-			ath_dbg(common, MCI, "MCI State mismatch: %d\n",
-				ar9003_mci_state(ah, MCI_STATE_BT, NULL));
-		}
-		break;
-	case MCI_GPM_BT_CAL_DONE:
-		ar9003_mci_state(ah, MCI_STATE_BT, NULL);
-		break;
-	case MCI_GPM_BT_CAL_GRANT:
-		MCI_GPM_SET_CAL_TYPE(payload, MCI_GPM_WLAN_CAL_DONE);
-		ar9003_mci_send_message(sc->sc_ah, MCI_GPM, 0, payload,
-					16, false, true);
-		break;
-	default:
-		ath_dbg(common, MCI, "Unknown GPM CAL message\n");
-		break;
-	}
-}
-
-static void ath_mci_process_profile(struct ath_softc *sc,
-				    struct ath_mci_profile_info *info)
-{
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_mci_profile *mci = &btcoex->mci;
-
-	if (info->start) {
-		if (!ath_mci_add_profile(common, mci, info))
-			return;
-	} else
-		ath_mci_del_profile(common, mci, info);
-
-	btcoex->btcoex_period = ATH_MCI_DEF_BT_PERIOD;
-	mci->aggr_limit = mci->num_sco ? 6 : 0;
-
-	if (NUM_PROF(mci)) {
-		btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
-		btcoex->duty_cycle = ath_mci_duty_cycle[NUM_PROF(mci)];
-	} else {
-		btcoex->bt_stomp_type = mci->num_mgmt ? ATH_BTCOEX_STOMP_ALL :
-							ATH_BTCOEX_STOMP_LOW;
-		btcoex->duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
-	}
-
-	ath_mci_update_scheme(sc);
-}
-
-static void ath_mci_process_status(struct ath_softc *sc,
-				   struct ath_mci_profile_status *status)
-{
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_mci_profile *mci = &btcoex->mci;
-	struct ath_mci_profile_info info;
-	int i = 0, old_num_mgmt = mci->num_mgmt;
-
-	/* Link status type are not handled */
-	if (status->is_link)
-		return;
-
-	memset(&info, 0, sizeof(struct ath_mci_profile_info));
-
-	info.conn_handle = status->conn_handle;
-	if (ath_mci_find_profile(mci, &info))
-		return;
-
-	if (status->conn_handle >= ATH_MCI_MAX_PROFILE)
-		return;
-
-	if (status->is_critical)
-		__set_bit(status->conn_handle, mci->status);
-	else
-		__clear_bit(status->conn_handle, mci->status);
-
-	mci->num_mgmt = 0;
-	do {
-		if (test_bit(i, mci->status))
-			mci->num_mgmt++;
-	} while (++i < ATH_MCI_MAX_PROFILE);
-
-	if (old_num_mgmt != mci->num_mgmt)
-		ath_mci_update_scheme(sc);
-}
-
-static void ath_mci_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload)
-{
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_mci_profile_info profile_info;
-	struct ath_mci_profile_status profile_status;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	u32 version;
-	u8 major;
-	u8 minor;
-	u32 seq_num;
-
-	switch (opcode) {
-	case MCI_GPM_COEX_VERSION_QUERY:
-		version = ar9003_mci_state(ah, MCI_STATE_SEND_WLAN_COEX_VERSION,
-					   NULL);
-		break;
-	case MCI_GPM_COEX_VERSION_RESPONSE:
-		major = *(rx_payload + MCI_GPM_COEX_B_MAJOR_VERSION);
-		minor = *(rx_payload + MCI_GPM_COEX_B_MINOR_VERSION);
-		version = (major << 8) + minor;
-		version = ar9003_mci_state(ah, MCI_STATE_SET_BT_COEX_VERSION,
-					   &version);
-		break;
-	case MCI_GPM_COEX_STATUS_QUERY:
-		ar9003_mci_state(ah, MCI_STATE_SEND_WLAN_CHANNELS, NULL);
-		break;
-	case MCI_GPM_COEX_BT_PROFILE_INFO:
-		memcpy(&profile_info,
-		       (rx_payload + MCI_GPM_COEX_B_PROFILE_TYPE), 10);
-
-		if ((profile_info.type == MCI_GPM_COEX_PROFILE_UNKNOWN) ||
-		    (profile_info.type >= MCI_GPM_COEX_PROFILE_MAX)) {
-			ath_dbg(common, MCI,
-				"Illegal profile type = %d, state = %d\n",
-				profile_info.type,
-				profile_info.start);
-			break;
-		}
-
-		ath_mci_process_profile(sc, &profile_info);
-		break;
-	case MCI_GPM_COEX_BT_STATUS_UPDATE:
-		profile_status.is_link = *(rx_payload +
-					   MCI_GPM_COEX_B_STATUS_TYPE);
-		profile_status.conn_handle = *(rx_payload +
-					       MCI_GPM_COEX_B_STATUS_LINKID);
-		profile_status.is_critical = *(rx_payload +
-					       MCI_GPM_COEX_B_STATUS_STATE);
-
-		seq_num = *((u32 *)(rx_payload + 12));
-		ath_dbg(common, MCI,
-			"BT_Status_Update: is_link=%d, linkId=%d, state=%d, SEQ=%d\n",
-			profile_status.is_link, profile_status.conn_handle,
-			profile_status.is_critical, seq_num);
-
-		ath_mci_process_status(sc, &profile_status);
-		break;
-	default:
-		ath_dbg(common, MCI, "Unknown GPM COEX message = 0x%02x\n", opcode);
-		break;
-	}
-}
-
-int ath_mci_setup(struct ath_softc *sc)
-{
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	struct ath_mci_coex *mci = &sc->mci_coex;
-	struct ath_mci_buf *buf = &mci->sched_buf;
-
-	buf->bf_addr = dma_alloc_coherent(sc->dev,
-				  ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE,
-				  &buf->bf_paddr, GFP_KERNEL);
-
-	if (buf->bf_addr == NULL) {
-		ath_dbg(common, FATAL, "MCI buffer alloc failed\n");
-		return -ENOMEM;
-	}
-
-	memset(buf->bf_addr, MCI_GPM_RSVD_PATTERN,
-	       ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE);
-
-	mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE;
-
-	mci->gpm_buf.bf_len = ATH_MCI_GPM_BUF_SIZE;
-	mci->gpm_buf.bf_addr = (u8 *)mci->sched_buf.bf_addr + mci->sched_buf.bf_len;
-	mci->gpm_buf.bf_paddr = mci->sched_buf.bf_paddr + mci->sched_buf.bf_len;
-
-	ar9003_mci_setup(sc->sc_ah, mci->gpm_buf.bf_paddr,
-			 mci->gpm_buf.bf_addr, (mci->gpm_buf.bf_len >> 4),
-			 mci->sched_buf.bf_paddr);
-
-	ath_dbg(common, MCI, "MCI Initialized\n");
-
-	return 0;
-}
-
-void ath_mci_cleanup(struct ath_softc *sc)
-{
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_mci_coex *mci = &sc->mci_coex;
-	struct ath_mci_buf *buf = &mci->sched_buf;
-
-	if (buf->bf_addr)
-		dma_free_coherent(sc->dev,
-				  ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE,
-				  buf->bf_addr, buf->bf_paddr);
-
-	ar9003_mci_cleanup(ah);
-
-	ath_dbg(common, MCI, "MCI De-Initialized\n");
-}
-
-void ath_mci_intr(struct ath_softc *sc)
-{
-	struct ath_mci_coex *mci = &sc->mci_coex;
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_common *common = ath9k_hw_common(ah);
-	u32 mci_int, mci_int_rxmsg;
-	u32 offset, subtype, opcode;
-	u32 *pgpm;
-	u32 more_data = MCI_GPM_MORE;
-	bool skip_gpm = false;
-
-	ar9003_mci_get_interrupt(sc->sc_ah, &mci_int, &mci_int_rxmsg);
-
-	if (ar9003_mci_state(ah, MCI_STATE_ENABLE, NULL) == 0) {
-		ar9003_mci_state(ah, MCI_STATE_INIT_GPM_OFFSET, NULL);
-		return;
-	}
-
-	if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE) {
-		u32 payload[4] = { 0xffffffff, 0xffffffff,
-				   0xffffffff, 0xffffff00};
-
-		/*
-		 * The following REMOTE_RESET and SYS_WAKING used to sent
-		 * only when BT wake up. Now they are always sent, as a
-		 * recovery method to reset BT MCI's RX alignment.
-		 */
-		ar9003_mci_send_message(ah, MCI_REMOTE_RESET, 0,
-					payload, 16, true, false);
-		ar9003_mci_send_message(ah, MCI_SYS_WAKING, 0,
-					NULL, 0, true, false);
-
-		mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE;
-		ar9003_mci_state(ah, MCI_STATE_RESET_REQ_WAKE, NULL);
-
-		/*
-		 * always do this for recovery and 2G/5G toggling and LNA_TRANS
-		 */
-		ar9003_mci_state(ah, MCI_STATE_SET_BT_AWAKE, NULL);
-	}
-
-	if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING) {
-		mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING;
-
-		if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_SLEEP) {
-			if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL) !=
-			    MCI_BT_SLEEP)
-				ar9003_mci_state(ah, MCI_STATE_SET_BT_AWAKE,
-						 NULL);
-		}
-	}
-
-	if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING) {
-		mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING;
-
-		if (ar9003_mci_state(ah, MCI_STATE_BT, NULL) == MCI_BT_AWAKE) {
-			if (ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL) !=
-			    MCI_BT_AWAKE)
-				ar9003_mci_state(ah, MCI_STATE_SET_BT_SLEEP,
-						 NULL);
-		}
-	}
-
-	if ((mci_int & AR_MCI_INTERRUPT_RX_INVALID_HDR) ||
-	    (mci_int & AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT)) {
-		ar9003_mci_state(ah, MCI_STATE_RECOVER_RX, NULL);
-		skip_gpm = true;
-	}
-
-	if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_SCHD_INFO) {
-		mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_SCHD_INFO;
-		offset = ar9003_mci_state(ah, MCI_STATE_LAST_SCHD_MSG_OFFSET,
-					  NULL);
-	}
-
-	if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_GPM) {
-		mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_GPM;
-
-		while (more_data == MCI_GPM_MORE) {
-
-			pgpm = mci->gpm_buf.bf_addr;
-			offset = ar9003_mci_state(ah, MCI_STATE_NEXT_GPM_OFFSET,
-						  &more_data);
-
-			if (offset == MCI_GPM_INVALID)
-				break;
-
-			pgpm += (offset >> 2);
-
-			/*
-			 * The first dword is timer.
-			 * The real data starts from 2nd dword.
-			 */
-			subtype = MCI_GPM_TYPE(pgpm);
-			opcode = MCI_GPM_OPCODE(pgpm);
-
-			if (skip_gpm)
-				goto recycle;
-
-			if (MCI_GPM_IS_CAL_TYPE(subtype)) {
-				ath_mci_cal_msg(sc, subtype, (u8 *)pgpm);
-			} else {
-				switch (subtype) {
-				case MCI_GPM_COEX_AGENT:
-					ath_mci_msg(sc, opcode, (u8 *)pgpm);
-					break;
-				default:
-					break;
-				}
-			}
-		recycle:
-			MCI_GPM_RECYCLE(pgpm);
-		}
-	}
-
-	if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_HW_MSG_MASK) {
-		if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_CONTROL)
-			mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_LNA_CONTROL;
-
-		if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_LNA_INFO)
-			mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_LNA_INFO;
-
-		if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO) {
-			int value_dbm = ar9003_mci_state(ah,
-						 MCI_STATE_CONT_RSSI_POWER, NULL);
-
-			mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_INFO;
-
-			if (ar9003_mci_state(ah, MCI_STATE_CONT_TXRX, NULL))
-				ath_dbg(common, MCI,
-					"MCI CONT_INFO: (tx) pri = %d, pwr = %d dBm\n",
-					ar9003_mci_state(ah,
-						 MCI_STATE_CONT_PRIORITY, NULL),
-					value_dbm);
-			else
-				ath_dbg(common, MCI,
-					"MCI CONT_INFO: (rx) pri = %d,pwr = %d dBm\n",
-					ar9003_mci_state(ah,
-						 MCI_STATE_CONT_PRIORITY, NULL),
-					value_dbm);
-		}
-
-		if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_NACK)
-			mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_NACK;
-
-		if (mci_int_rxmsg & AR_MCI_INTERRUPT_RX_MSG_CONT_RST)
-			mci_int_rxmsg &= ~AR_MCI_INTERRUPT_RX_MSG_CONT_RST;
-	}
-
-	if ((mci_int & AR_MCI_INTERRUPT_RX_INVALID_HDR) ||
-	    (mci_int & AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT))
-		mci_int &= ~(AR_MCI_INTERRUPT_RX_INVALID_HDR |
-			     AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT);
-}