wireless/wl12xx/wl1251: move TI WLAN modules to a common ti subdirectory

Move wl12xx and wl1251 modules into a new drivers/net/wireless/ti
directory.  Add a TI WLAN Kconfig option and Makefile to support this
change.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Cc: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 235 deletions

diff --git a/drivers/net/wireless/wl1251/rx.c b/drivers/net/wireless/wl1251/rx.c
deleted file mode 100644
index 6af3526..0000000
--- a/drivers/net/wireless/wl1251/rx.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * This file is part of wl1251
- *
- * Copyright (c) 1998-2007 Texas Instruments Incorporated
- * Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include <linux/skbuff.h>
-#include <linux/gfp.h>
-#include <net/mac80211.h>
-
-#include "wl1251.h"
-#include "reg.h"
-#include "io.h"
-#include "rx.h"
-#include "cmd.h"
-#include "acx.h"
-
-static void wl1251_rx_header(struct wl1251 *wl,
-			     struct wl1251_rx_descriptor *desc)
-{
-	u32 rx_packet_ring_addr;
-
-	rx_packet_ring_addr = wl->data_path->rx_packet_ring_addr;
-	if (wl->rx_current_buffer)
-		rx_packet_ring_addr += wl->data_path->rx_packet_ring_chunk_size;
-
-	wl1251_mem_read(wl, rx_packet_ring_addr, desc, sizeof(*desc));
-}
-
-static void wl1251_rx_status(struct wl1251 *wl,
-			     struct wl1251_rx_descriptor *desc,
-			     struct ieee80211_rx_status *status,
-			     u8 beacon)
-{
-	u64 mactime;
-	int ret;
-
-	memset(status, 0, sizeof(struct ieee80211_rx_status));
-
-	status->band = IEEE80211_BAND_2GHZ;
-	status->mactime = desc->timestamp;
-
-	/*
-	 * The rx status timestamp is a 32 bits value while the TSF is a
-	 * 64 bits one.
-	 * For IBSS merging, TSF is mandatory, so we have to get it
-	 * somehow, so we ask for ACX_TSF_INFO.
-	 * That could be moved to the get_tsf() hook, but unfortunately,
-	 * this one must be atomic, while our SPI routines can sleep.
-	 */
-	if ((wl->bss_type == BSS_TYPE_IBSS) && beacon) {
-		ret = wl1251_acx_tsf_info(wl, &mactime);
-		if (ret == 0)
-			status->mactime = mactime;
-	}
-
-	status->signal = desc->rssi;
-
-	/*
-	 * FIXME: guessing that snr needs to be divided by two, otherwise
-	 * the values don't make any sense
-	 */
-	wl->noise = desc->rssi - desc->snr / 2;
-
-	status->freq = ieee80211_channel_to_frequency(desc->channel,
-						      status->band);
-
-	status->flag |= RX_FLAG_MACTIME_MPDU;
-
-	if (desc->flags & RX_DESC_ENCRYPTION_MASK) {
-		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;
-
-		if (likely(!(desc->flags & RX_DESC_DECRYPT_FAIL)))
-			status->flag |= RX_FLAG_DECRYPTED;
-
-		if (unlikely(desc->flags & RX_DESC_MIC_FAIL))
-			status->flag |= RX_FLAG_MMIC_ERROR;
-	}
-
-	if (unlikely(!(desc->flags & RX_DESC_VALID_FCS)))
-		status->flag |= RX_FLAG_FAILED_FCS_CRC;
-
-	switch (desc->rate) {
-		/* skip 1 and 12 Mbps because they have same value 0x0a */
-	case RATE_2MBPS:
-		status->rate_idx = 1;
-		break;
-	case RATE_5_5MBPS:
-		status->rate_idx = 2;
-		break;
-	case RATE_11MBPS:
-		status->rate_idx = 3;
-		break;
-	case RATE_6MBPS:
-		status->rate_idx = 4;
-		break;
-	case RATE_9MBPS:
-		status->rate_idx = 5;
-		break;
-	case RATE_18MBPS:
-		status->rate_idx = 7;
-		break;
-	case RATE_24MBPS:
-		status->rate_idx = 8;
-		break;
-	case RATE_36MBPS:
-		status->rate_idx = 9;
-		break;
-	case RATE_48MBPS:
-		status->rate_idx = 10;
-		break;
-	case RATE_54MBPS:
-		status->rate_idx = 11;
-		break;
-	}
-
-	/* for 1 and 12 Mbps we have to check the modulation */
-	if (desc->rate == RATE_1MBPS) {
-		if (!(desc->mod_pre & OFDM_RATE_BIT))
-			/* CCK -> RATE_1MBPS */
-			status->rate_idx = 0;
-		else
-			/* OFDM -> RATE_12MBPS */
-			status->rate_idx = 6;
-	}
-
-	if (desc->mod_pre & SHORT_PREAMBLE_BIT)
-		status->flag |= RX_FLAG_SHORTPRE;
-}
-
-static void wl1251_rx_body(struct wl1251 *wl,
-			   struct wl1251_rx_descriptor *desc)
-{
-	struct sk_buff *skb;
-	struct ieee80211_rx_status status;
-	u8 *rx_buffer, beacon = 0;
-	u16 length, *fc;
-	u32 curr_id, last_id_inc, rx_packet_ring_addr;
-
-	length = WL1251_RX_ALIGN(desc->length  - PLCP_HEADER_LENGTH);
-	curr_id = (desc->flags & RX_DESC_SEQNUM_MASK) >> RX_DESC_PACKETID_SHIFT;
-	last_id_inc = (wl->rx_last_id + 1) % (RX_MAX_PACKET_ID + 1);
-
-	if (last_id_inc != curr_id) {
-		wl1251_warning("curr ID:%d, last ID inc:%d",
-			       curr_id, last_id_inc);
-		wl->rx_last_id = curr_id;
-	} else {
-		wl->rx_last_id = last_id_inc;
-	}
-
-	rx_packet_ring_addr = wl->data_path->rx_packet_ring_addr +
-		sizeof(struct wl1251_rx_descriptor) + 20;
-	if (wl->rx_current_buffer)
-		rx_packet_ring_addr += wl->data_path->rx_packet_ring_chunk_size;
-
-	skb = __dev_alloc_skb(length, GFP_KERNEL);
-	if (!skb) {
-		wl1251_error("Couldn't allocate RX frame");
-		return;
-	}
-
-	rx_buffer = skb_put(skb, length);
-	wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length);
-
-	/* The actual length doesn't include the target's alignment */
-	skb->len = desc->length  - PLCP_HEADER_LENGTH;
-
-	fc = (u16 *)skb->data;
-
-	if ((*fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON)
-		beacon = 1;
-
-	wl1251_rx_status(wl, desc, &status, beacon);
-
-	wl1251_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, skb->len,
-		     beacon ? "beacon" : "");
-
-	memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-	ieee80211_rx_ni(wl->hw, skb);
-}
-
-static void wl1251_rx_ack(struct wl1251 *wl)
-{
-	u32 data, addr;
-
-	if (wl->rx_current_buffer) {
-		addr = ACX_REG_INTERRUPT_TRIG_H;
-		data = INTR_TRIG_RX_PROC1;
-	} else {
-		addr = ACX_REG_INTERRUPT_TRIG;
-		data = INTR_TRIG_RX_PROC0;
-	}
-
-	wl1251_reg_write32(wl, addr, data);
-
-	/* Toggle buffer ring */
-	wl->rx_current_buffer = !wl->rx_current_buffer;
-}
-
-
-void wl1251_rx(struct wl1251 *wl)
-{
-	struct wl1251_rx_descriptor *rx_desc;
-
-	if (wl->state != WL1251_STATE_ON)
-		return;
-
-	rx_desc = wl->rx_descriptor;
-
-	/* We first read the frame's header */
-	wl1251_rx_header(wl, rx_desc);
-
-	/* Now we can read the body */
-	wl1251_rx_body(wl, rx_desc);
-
-	/* Finally, we need to ACK the RX */
-	wl1251_rx_ack(wl);
-}