Merge commit 'origin/master' into next

Conflicts:
	include/linux/kvm.h

13 files changed, 986 insertions, 302 deletions

diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 54ea61c15d8b..64c12e1bced3 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -1,6 +1,6 @@
 config B43
 	tristate "Broadcom 43xx wireless support (mac80211 stack)"
-	depends on SSB_POSSIBLE && MAC80211 && WLAN_80211 && HAS_DMA
+	depends on SSB_POSSIBLE && MAC80211 && HAS_DMA
 	select SSB
 	select FW_LOADER
 	---help---
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 660716214d49..fe3bf9491997 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -26,8 +26,6 @@
 # define B43_DEBUG	0
 #endif
 
-#define B43_RX_MAX_SSI			60
-
 /* MMIO offsets */
 #define B43_MMIO_DMA0_REASON		0x20
 #define B43_MMIO_DMA0_IRQ_MASK		0x24
@@ -749,12 +747,6 @@ struct b43_wldev {
 #endif
 };
 
-/*
- * Include goes here to avoid a dependency problem.
- * A better fix would be to integrate xmit.h into b43.h.
- */
-#include "xmit.h"
-
 /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
 struct b43_wl {
 	/* Pointer to the active wireless device on this chip */
@@ -830,13 +822,9 @@ struct b43_wl {
 	struct b43_leds leds;
 
 #ifdef CONFIG_B43_PIO
-	/*
-	 * RX/TX header/tail buffers used by the frame transmit functions.
-	 */
-	struct b43_rxhdr_fw4 rxhdr;
-	struct b43_txhdr txhdr;
-	u8 rx_tail[4];
-	u8 tx_tail[4];
+	/* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
+	u8 pio_scratchspace[110] __attribute__((__aligned__(8)));
+	u8 pio_tailspace[4] __attribute__((__aligned__(8)));
 #endif /* CONFIG_B43_PIO */
 };
 
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index de4e804bedf0..027be275e035 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -383,44 +383,160 @@ static inline
 	}
 }
 
+/* Check if a DMA region fits the device constraints.
+ * Returns true, if the region is OK for usage with this device. */
+static inline bool b43_dma_address_ok(struct b43_dmaring *ring,
+				      dma_addr_t addr, size_t size)
+{
+	switch (ring->type) {
+	case B43_DMA_30BIT:
+		if ((u64)addr + size > (1ULL << 30))
+			return 0;
+		break;
+	case B43_DMA_32BIT:
+		if ((u64)addr + size > (1ULL << 32))
+			return 0;
+		break;
+	case B43_DMA_64BIT:
+		/* Currently we can't have addresses beyond
+		 * 64bit in the kernel. */
+		break;
+	}
+	return 1;
+}
+
+#define is_4k_aligned(addr)	(((u64)(addr) & 0x0FFFull) == 0)
+#define is_8k_aligned(addr)	(((u64)(addr) & 0x1FFFull) == 0)
+
+static void b43_unmap_and_free_ringmem(struct b43_dmaring *ring, void *base,
+				       dma_addr_t dmaaddr, size_t size)
+{
+	ssb_dma_unmap_single(ring->dev->dev, dmaaddr, size, DMA_TO_DEVICE);
+	free_pages((unsigned long)base, get_order(size));
+}
+
+static void * __b43_get_and_map_ringmem(struct b43_dmaring *ring,
+					dma_addr_t *dmaaddr, size_t size,
+					gfp_t gfp_flags)
+{
+	void *base;
+
+	base = (void *)__get_free_pages(gfp_flags, get_order(size));
+	if (!base)
+		return NULL;
+	memset(base, 0, size);
+	*dmaaddr = ssb_dma_map_single(ring->dev->dev, base, size,
+				      DMA_TO_DEVICE);
+	if (ssb_dma_mapping_error(ring->dev->dev, *dmaaddr)) {
+		free_pages((unsigned long)base, get_order(size));
+		return NULL;
+	}
+
+	return base;
+}
+
+static void * b43_get_and_map_ringmem(struct b43_dmaring *ring,
+				      dma_addr_t *dmaaddr, size_t size)
+{
+	void *base;
+
+	base = __b43_get_and_map_ringmem(ring, dmaaddr, size,
+					 GFP_KERNEL);
+	if (!base) {
+		b43err(ring->dev->wl, "Failed to allocate or map pages "
+		       "for DMA ringmemory\n");
+		return NULL;
+	}
+	if (!b43_dma_address_ok(ring, *dmaaddr, size)) {
+		/* The memory does not fit our device constraints.
+		 * Retry with GFP_DMA set to get lower memory. */
+		b43_unmap_and_free_ringmem(ring, base, *dmaaddr, size);
+		base = __b43_get_and_map_ringmem(ring, dmaaddr, size,
+						 GFP_KERNEL | GFP_DMA);
+		if (!base) {
+			b43err(ring->dev->wl, "Failed to allocate or map pages "
+			       "in the GFP_DMA region for DMA ringmemory\n");
+			return NULL;
+		}
+		if (!b43_dma_address_ok(ring, *dmaaddr, size)) {
+			b43_unmap_and_free_ringmem(ring, base, *dmaaddr, size);
+			b43err(ring->dev->wl, "Failed to allocate DMA "
+			       "ringmemory that fits device constraints\n");
+			return NULL;
+		}
+	}
+	/* We expect the memory to be 4k aligned, at least. */
+	if (B43_WARN_ON(!is_4k_aligned(*dmaaddr))) {
+		b43_unmap_and_free_ringmem(ring, base, *dmaaddr, size);
+		return NULL;
+	}
+
+	return base;
+}
+
 static int alloc_ringmemory(struct b43_dmaring *ring)
 {
-	gfp_t flags = GFP_KERNEL;
-
-	/* The specs call for 4K buffers for 30- and 32-bit DMA with 4K
-	 * alignment and 8K buffers for 64-bit DMA with 8K alignment. Testing
-	 * has shown that 4K is sufficient for the latter as long as the buffer
-	 * does not cross an 8K boundary.
-	 *
-	 * For unknown reasons - possibly a hardware error - the BCM4311 rev
-	 * 02, which uses 64-bit DMA, needs the ring buffer in very low memory,
-	 * which accounts for the GFP_DMA flag below.
-	 *
-	 * The flags here must match the flags in free_ringmemory below!
+	unsigned int required;
+	void *base;
+	dma_addr_t dmaaddr;
+
+	/* There are several requirements to the descriptor ring memory:
+	 * - The memory region needs to fit the address constraints for the
+	 *   device (same as for frame buffers).
+	 * - For 30/32bit DMA devices, the descriptor ring must be 4k aligned.
+	 * - For 64bit DMA devices, the descriptor ring must be 8k aligned.
 	 */
+
 	if (ring->type == B43_DMA_64BIT)
-		flags |= GFP_DMA;
-	ring->descbase = ssb_dma_alloc_consistent(ring->dev->dev,
-						  B43_DMA_RINGMEMSIZE,
-						  &(ring->dmabase), flags);
-	if (!ring->descbase) {
-		b43err(ring->dev->wl, "DMA ringmemory allocation failed\n");
+		required = ring->nr_slots * sizeof(struct b43_dmadesc64);
+	else
+		required = ring->nr_slots * sizeof(struct b43_dmadesc32);
+	if (B43_WARN_ON(required > 0x1000))
+		return -ENOMEM;
+
+	ring->alloc_descsize = 0x1000;
+	base = b43_get_and_map_ringmem(ring, &dmaaddr, ring->alloc_descsize);
+	if (!base)
+		return -ENOMEM;
+	ring->alloc_descbase = base;
+	ring->alloc_dmabase = dmaaddr;
+
+	if ((ring->type != B43_DMA_64BIT) || is_8k_aligned(dmaaddr)) {
+		/* We're on <=32bit DMA, or we already got 8k aligned memory.
+		 * That's all we need, so we're fine. */
+		ring->descbase = base;
+		ring->dmabase = dmaaddr;
+		return 0;
+	}
+	b43_unmap_and_free_ringmem(ring, base, dmaaddr, ring->alloc_descsize);
+
+	/* Ok, we failed at the 8k alignment requirement.
+	 * Try to force-align the memory region now. */
+	ring->alloc_descsize = 0x2000;
+	base = b43_get_and_map_ringmem(ring, &dmaaddr, ring->alloc_descsize);
+	if (!base)
 		return -ENOMEM;
+	ring->alloc_descbase = base;
+	ring->alloc_dmabase = dmaaddr;
+
+	if (is_8k_aligned(dmaaddr)) {
+		/* We're already 8k aligned. That Ok, too. */
+		ring->descbase = base;
+		ring->dmabase = dmaaddr;
+		return 0;
 	}
-	memset(ring->descbase, 0, B43_DMA_RINGMEMSIZE);
+	/* Force-align it to 8k */
+	ring->descbase = (void *)((u8 *)base + 0x1000);
+	ring->dmabase = dmaaddr + 0x1000;
+	B43_WARN_ON(!is_8k_aligned(ring->dmabase));
 
 	return 0;
 }
 
 static void free_ringmemory(struct b43_dmaring *ring)
 {
-	gfp_t flags = GFP_KERNEL;
-
-	if (ring->type == B43_DMA_64BIT)
-		flags |= GFP_DMA;
-
-	ssb_dma_free_consistent(ring->dev->dev, B43_DMA_RINGMEMSIZE,
-				ring->descbase, ring->dmabase, flags);
+	b43_unmap_and_free_ringmem(ring, ring->alloc_descbase,
+				   ring->alloc_dmabase, ring->alloc_descsize);
 }
 
 /* Reset the RX DMA channel */
@@ -530,29 +646,14 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring,
 	if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
 		return 1;
 
-	switch (ring->type) {
-	case B43_DMA_30BIT:
-		if ((u64)addr + buffersize > (1ULL << 30))
-			goto address_error;
-		break;
-	case B43_DMA_32BIT:
-		if ((u64)addr + buffersize > (1ULL << 32))
-			goto address_error;
-		break;
-	case B43_DMA_64BIT:
-		/* Currently we can't have addresses beyond
-		 * 64bit in the kernel. */
-		break;
+	if (!b43_dma_address_ok(ring, addr, buffersize)) {
+		/* We can't support this address. Unmap it again. */
+		unmap_descbuffer(ring, addr, buffersize, dma_to_device);
+		return 1;
 	}
 
 	/* The address is OK. */
 	return 0;
-
-address_error:
-	/* We can't support this address. Unmap it again. */
-	unmap_descbuffer(ring, addr, buffersize, dma_to_device);
-
-	return 1;
 }
 
 static bool b43_rx_buffer_is_poisoned(struct b43_dmaring *ring, struct sk_buff *skb)
@@ -614,6 +715,9 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring,
 	meta->dmaaddr = dmaaddr;
 	ring->ops->fill_descriptor(ring, desc, dmaaddr,
 				   ring->rx_buffersize, 0, 0, 0);
+	ssb_dma_sync_single_for_device(ring->dev->dev,
+				       ring->alloc_dmabase,
+				       ring->alloc_descsize, DMA_TO_DEVICE);
 
 	return 0;
 }
@@ -770,7 +874,7 @@ static void free_all_descbuffers(struct b43_dmaring *ring)
 	for (i = 0; i < ring->nr_slots; i++) {
 		desc = ring->ops->idx2desc(ring, i, &meta);
 
-		if (!meta->skb) {
+		if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
 			B43_WARN_ON(!ring->tx);
 			continue;
 		}
@@ -822,7 +926,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
 				      enum b43_dmatype type)
 {
 	struct b43_dmaring *ring;
-	int err;
+	int i, err;
 	dma_addr_t dma_test;
 
 	ring = kzalloc(sizeof(*ring), GFP_KERNEL);
@@ -837,6 +941,8 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
 			     GFP_KERNEL);
 	if (!ring->meta)
 		goto err_kfree_ring;
+	for (i = 0; i < ring->nr_slots; i++)
+		ring->meta->skb = B43_DMA_PTR_POISON;
 
 	ring->type = type;
 	ring->dev = dev;
@@ -1147,28 +1253,29 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
 	case 0x5000:
 		ring = dma->tx_ring_mcast;
 		break;
-	default:
-		B43_WARN_ON(1);
 	}
 	*slot = (cookie & 0x0FFF);
-	B43_WARN_ON(!(ring && *slot >= 0 && *slot < ring->nr_slots));
+	if (unlikely(!ring || *slot < 0 || *slot >= ring->nr_slots)) {
+		b43dbg(dev->wl, "TX-status contains "
+		       "invalid cookie: 0x%04X\n", cookie);
+		return NULL;
+	}
 
 	return ring;
 }
 
 static int dma_tx_fragment(struct b43_dmaring *ring,
-			   struct sk_buff **in_skb)
+			   struct sk_buff *skb)
 {
-	struct sk_buff *skb = *in_skb;
 	const struct b43_dma_ops *ops = ring->ops;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct b43_private_tx_info *priv_info = b43_get_priv_tx_info(info);
 	u8 *header;
 	int slot, old_top_slot, old_used_slots;
 	int err;
 	struct b43_dmadesc_generic *desc;
 	struct b43_dmadesc_meta *meta;
 	struct b43_dmadesc_meta *meta_hdr;
-	struct sk_buff *bounce_skb;
 	u16 cookie;
 	size_t hdrsize = b43_txhdr_size(ring->dev);
 
@@ -1212,34 +1319,28 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 
 	meta->skb = skb;
 	meta->is_last_fragment = 1;
+	priv_info->bouncebuffer = NULL;
 
 	meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
 	/* create a bounce buffer in zone_dma on mapping failure. */
 	if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
-		bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
-		if (!bounce_skb) {
+		priv_info->bouncebuffer = kmalloc(skb->len, GFP_ATOMIC | GFP_DMA);
+		if (!priv_info->bouncebuffer) {
 			ring->current_slot = old_top_slot;
 			ring->used_slots = old_used_slots;
 			err = -ENOMEM;
 			goto out_unmap_hdr;
 		}
+		memcpy(priv_info->bouncebuffer, skb->data, skb->len);
 
-		memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
-		memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb));
-		bounce_skb->dev = skb->dev;
-		skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb));
-		info = IEEE80211_SKB_CB(bounce_skb);
-
-		dev_kfree_skb_any(skb);
-		skb = bounce_skb;
-		*in_skb = bounce_skb;
-		meta->skb = skb;
-		meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
+		meta->dmaaddr = map_descbuffer(ring, priv_info->bouncebuffer, skb->len, 1);
 		if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
+			kfree(priv_info->bouncebuffer);
+			priv_info->bouncebuffer = NULL;
 			ring->current_slot = old_top_slot;
 			ring->used_slots = old_used_slots;
 			err = -EIO;
-			goto out_free_bounce;
+			goto out_unmap_hdr;
 		}
 	}
 
@@ -1253,11 +1354,12 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 	}
 	/* Now transfer the whole frame. */
 	wmb();
+	ssb_dma_sync_single_for_device(ring->dev->dev,
+				       ring->alloc_dmabase,
+				       ring->alloc_descsize, DMA_TO_DEVICE);
 	ops->poke_tx(ring, next_slot(ring, slot));
 	return 0;
 
-out_free_bounce:
-	dev_kfree_skb_any(skb);
 out_unmap_hdr:
 	unmap_descbuffer(ring, meta_hdr->dmaaddr,
 			 hdrsize, 1);
@@ -1362,11 +1464,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
 	 * static, so we don't need to store it per frame. */
 	ring->queue_prio = skb_get_queue_mapping(skb);
 
-	/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
-	 * into the skb data or cb now. */
-	hdr = NULL;
-	info = NULL;
-	err = dma_tx_fragment(ring, &skb);
+	err = dma_tx_fragment(ring, skb);
 	if (unlikely(err == -ENOKEY)) {
 		/* Drop this packet, as we don't have the encryption key
 		 * anymore and must not transmit it unencrypted. */
@@ -1400,30 +1498,63 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 	struct b43_dmaring *ring;
 	struct b43_dmadesc_generic *desc;
 	struct b43_dmadesc_meta *meta;
-	int slot;
+	int slot, firstused;
 	bool frame_succeed;
 
 	ring = parse_cookie(dev, status->cookie, &slot);
 	if (unlikely(!ring))
 		return;
-
 	B43_WARN_ON(!ring->tx);
+
+	/* Sanity check: TX packets are processed in-order on one ring.
+	 * Check if the slot deduced from the cookie really is the first
+	 * used slot. */
+	firstused = ring->current_slot - ring->used_slots + 1;
+	if (firstused < 0)
+		firstused = ring->nr_slots + firstused;
+	if (unlikely(slot != firstused)) {
+		/* This possibly is a firmware bug and will result in
+		 * malfunction, memory leaks and/or stall of DMA functionality. */
+		b43dbg(dev->wl, "Out of order TX status report on DMA ring %d. "
+		       "Expected %d, but got %d\n",
+		       ring->index, firstused, slot);
+		return;
+	}
+
 	ops = ring->ops;
 	while (1) {
-		B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));
+		B43_WARN_ON(slot < 0 || slot >= ring->nr_slots);
 		desc = ops->idx2desc(ring, slot, &meta);
 
-		if (meta->skb)
-			unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len,
-					 1);
-		else
+		if (b43_dma_ptr_is_poisoned(meta->skb)) {
+			b43dbg(dev->wl, "Poisoned TX slot %d (first=%d) "
+			       "on ring %d\n",
+			       slot, firstused, ring->index);
+			break;
+		}
+		if (meta->skb) {
+			struct b43_private_tx_info *priv_info =
+				b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
+
+			unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len, 1);
+			kfree(priv_info->bouncebuffer);
+			priv_info->bouncebuffer = NULL;
+		} else {
 			unmap_descbuffer(ring, meta->dmaaddr,
 					 b43_txhdr_size(dev), 1);
+		}
 
 		if (meta->is_last_fragment) {
 			struct ieee80211_tx_info *info;
 
-			BUG_ON(!meta->skb);
+			if (unlikely(!meta->skb)) {
+				/* This is a scatter-gather fragment of a frame, so
+				 * the skb pointer must not be NULL. */
+				b43dbg(dev->wl, "TX status unexpected NULL skb "
+				       "at slot %d (first=%d) on ring %d\n",
+				       slot, firstused, ring->index);
+				break;
+			}
 
 			info = IEEE80211_SKB_CB(meta->skb);
 
@@ -1441,20 +1572,29 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 #endif /* DEBUG */
 			ieee80211_tx_status(dev->wl->hw, meta->skb);
 
-			/* skb is freed by ieee80211_tx_status() */
-			meta->skb = NULL;
+			/* skb will be freed by ieee80211_tx_status().
+			 * Poison our pointer. */
+			meta->skb = B43_DMA_PTR_POISON;
 		} else {
 			/* No need to call free_descriptor_buffer here, as
 			 * this is only the txhdr, which is not allocated.
 			 */
-			B43_WARN_ON(meta->skb);
+			if (unlikely(meta->skb)) {
+				b43dbg(dev->wl, "TX status unexpected non-NULL skb "
+				       "at slot %d (first=%d) on ring %d\n",
+				       slot, firstused, ring->index);
+				break;
+			}
 		}
 
 		/* Everything unmapped and free'd. So it's not used anymore. */
 		ring->used_slots--;
 
-		if (meta->is_last_fragment)
+		if (meta->is_last_fragment) {
+			/* This is the last scatter-gather
+			 * fragment of the frame. We are done. */
 			break;
+		}
 		slot = next_slot(ring, slot);
 	}
 	if (ring->stopped) {
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index f0b0838fb5ba..e607b392314c 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -1,7 +1,7 @@
 #ifndef B43_DMA_H_
 #define B43_DMA_H_
 
-#include <linux/ieee80211.h>
+#include <linux/err.h>
 
 #include "b43.h"
 
@@ -157,7 +157,6 @@ struct b43_dmadesc_generic {
 } __attribute__ ((__packed__));
 
 /* Misc DMA constants */
-#define B43_DMA_RINGMEMSIZE		PAGE_SIZE
 #define B43_DMA0_RX_FRAMEOFFSET		30
 
 /* DMA engine tuning knobs */
@@ -165,6 +164,10 @@ struct b43_dmadesc_generic {
 #define B43_RXRING_SLOTS		64
 #define B43_DMA0_RX_BUFFERSIZE		IEEE80211_MAX_FRAME_LEN
 
+/* Pointer poison */
+#define B43_DMA_PTR_POISON		((void *)ERR_PTR(-ENOMEM))
+#define b43_dma_ptr_is_poisoned(ptr)	(unlikely((ptr) == B43_DMA_PTR_POISON))
+
 
 struct sk_buff;
 struct b43_private;
@@ -243,6 +246,12 @@ struct b43_dmaring {
 	/* The QOS priority assigned to this ring. Only used for TX rings.
 	 * This is the mac80211 "queue" value. */
 	u8 queue_prio;
+	/* Pointers and size of the originally allocated and mapped memory
+	 * region for the descriptor ring. */
+	void *alloc_descbase;
+	dma_addr_t alloc_dmabase;
+	unsigned int alloc_descsize;
+	/* Pointer to our wireless device. */
 	struct b43_wldev *dev;
 #ifdef CONFIG_B43_DEBUG
 	/* Maximum number of used slots. */
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index 1e8dba488004..c587115dd2b9 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -246,6 +246,7 @@ static void b43_led_get_sprominfo(struct b43_wldev *dev,
 			*behaviour = B43_LED_OFF;
 			break;
 		default:
+			*behaviour = B43_LED_OFF;
 			B43_WARN_ON(1);
 			return;
 		}
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 098dda1a67c1..077480c4916a 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3573,7 +3573,7 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
 	if (conf->channel->hw_value != phy->channel)
 		b43_switch_channel(dev, conf->channel->hw_value);
 
-	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
 
 	/* Adjust the desired TX power level. */
 	if (conf->power_level != 0) {
@@ -4669,7 +4669,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
 {
 	struct b43_wl *wl = dev->wl;
 	struct ssb_bus *bus = dev->dev->bus;
-	struct pci_dev *pdev = bus->host_pci;
+	struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL;
 	int err;
 	bool have_2ghz_phy = 0, have_5ghz_phy = 0;
 	u32 tmp;
@@ -4802,7 +4802,7 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
 
 	if (!list_empty(&wl->devlist)) {
 		/* We are not the first core on this chip. */
-		pdev = dev->bus->host_pci;
+		pdev = (dev->bus->bustype == SSB_BUSTYPE_PCI) ? dev->bus->host_pci : NULL;
 		/* Only special chips support more than one wireless
 		 * core, although some of the other chips have more than
 		 * one wireless core as well. Check for this and
diff --git a/drivers/net/wireless/b43/pcmcia.c b/drivers/net/wireless/b43/pcmcia.c
index 6c3a74964ab8..984174bc7b0f 100644
--- a/drivers/net/wireless/b43/pcmcia.c
+++ b/drivers/net/wireless/b43/pcmcia.c
@@ -65,35 +65,15 @@ static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
 	struct ssb_bus *ssb;
 	win_req_t win;
 	memreq_t mem;
-	tuple_t tuple;
-	cisparse_t parse;
 	int err = -ENOMEM;
 	int res = 0;
-	unsigned char buf[64];
 
 	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
 	if (!ssb)
 		goto out_error;
 
 	err = -ENODEV;
-	tuple.DesiredTuple = CISTPL_CONFIG;
-	tuple.Attributes = 0;
-	tuple.TupleData = buf;
-	tuple.TupleDataMax = sizeof(buf);
-	tuple.TupleOffset = 0;
 
-	res = pcmcia_get_first_tuple(dev, &tuple);
-	if (res != 0)
-		goto err_kfree_ssb;
-	res = pcmcia_get_tuple_data(dev, &tuple);
-	if (res != 0)
-		goto err_kfree_ssb;
-	res = pcmcia_parse_tuple(&tuple, &parse);
-	if (res != 0)
-		goto err_kfree_ssb;
-
-	dev->conf.ConfigBase = parse.config.base;
-	dev->conf.Present = parse.config.rmask[0];
 	dev->conf.Attributes = CONF_ENABLE_IRQ;
 	dev->conf.IntType = INT_MEMORY_AND_IO;
 
@@ -107,20 +87,18 @@ static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
 	win.Base = 0;
 	win.Size = SSB_CORE_SIZE;
 	win.AccessSpeed = 250;
-	res = pcmcia_request_window(&dev, &win, &dev->win);
+	res = pcmcia_request_window(dev, &win, &dev->win);
 	if (res != 0)
 		goto err_kfree_ssb;
 
 	mem.CardOffset = 0;
 	mem.Page = 0;
-	res = pcmcia_map_mem_page(dev->win, &mem);
+	res = pcmcia_map_mem_page(dev, dev->win, &mem);
 	if (res != 0)
 		goto err_disable;
 
 	dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
-	dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	dev->irq.Handler = NULL; /* The handler is registered later. */
-	dev->irq.Instance = NULL;
 	res = pcmcia_request_irq(dev, &dev->irq);
 	if (res != 0)
 		goto err_disable;
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 1e318d815a5b..3e046ec1ff86 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -67,6 +67,7 @@ static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev)
 	struct b43_phy_lp *lpphy = phy->lp;
 
 	memset(lpphy, 0, sizeof(*lpphy));
+	lpphy->antenna = B43_ANTENNA_DEFAULT;
 
 	//TODO
 }
@@ -751,11 +752,17 @@ static void lpphy_clear_deaf(struct b43_wldev *dev, bool user)
 	}
 }
 
+static void lpphy_set_trsw_over(struct b43_wldev *dev, bool tx, bool rx)
+{
+	u16 trsw = (tx << 1) | rx;
+	b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, trsw);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+}
+
 static void lpphy_disable_crs(struct b43_wldev *dev, bool user)
 {
 	lpphy_set_deaf(dev, user);
-	b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x1);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+	lpphy_set_trsw_over(dev, false, true);
 	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFB);
 	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x4);
 	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFF7);
@@ -790,6 +797,60 @@ static void lpphy_restore_crs(struct b43_wldev *dev, bool user)
 
 struct lpphy_tx_gains { u16 gm, pga, pad, dac; };
 
+static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
+{
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF);
+	if (dev->phy.rev >= 2) {
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
+		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF);
+			b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7);
+		}
+	} else {
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF);
+	}
+}
+
+static void lpphy_enable_rx_gain_override(struct b43_wldev *dev)
+{
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40);
+	if (dev->phy.rev >= 2) {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
+		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400);
+			b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8);
+		}
+	} else {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200);
+	}
+}
+
+static void lpphy_disable_tx_gain_override(struct b43_wldev *dev)
+{
+	if (dev->phy.rev < 2)
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
+	else {
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F);
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF);
+	}
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF);
+}
+
+static void lpphy_enable_tx_gain_override(struct b43_wldev *dev)
+{
+	if (dev->phy.rev < 2)
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
+	else {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x80);
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x4000);
+	}
+	b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 0x40);
+}
+
 static struct lpphy_tx_gains lpphy_get_tx_gains(struct b43_wldev *dev)
 {
 	struct lpphy_tx_gains gains;
@@ -819,6 +880,17 @@ static void lpphy_set_dac_gain(struct b43_wldev *dev, u16 dac)
 	b43_phy_maskset(dev, B43_LPPHY_AFE_DAC_CTL, 0xF000, ctl);
 }
 
+static u16 lpphy_get_pa_gain(struct b43_wldev *dev)
+{
+	return b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x7F;
+}
+
+static void lpphy_set_pa_gain(struct b43_wldev *dev, u16 gain)
+{
+	b43_phy_maskset(dev, B43_PHY_OFDM(0xFB), 0xE03F, gain << 6);
+	b43_phy_maskset(dev, B43_PHY_OFDM(0xFD), 0x80FF, gain << 8);
+}
+
 static void lpphy_set_tx_gains(struct b43_wldev *dev,
 			       struct lpphy_tx_gains gains)
 {
@@ -829,25 +901,22 @@ static void lpphy_set_tx_gains(struct b43_wldev *dev,
 		b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
 				0xF800, rf_gain);
 	} else {
-		pa_gain = b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x1FC0;
-		pa_gain <<= 2;
+		pa_gain = lpphy_get_pa_gain(dev);
 		b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
 			      (gains.pga << 8) | gains.gm);
+		/*
+		 * SPEC FIXME The spec calls for (pa_gain << 8) here, but that
+		 * conflicts with the spec for set_pa_gain! Vendor driver bug?
+		 */
 		b43_phy_maskset(dev, B43_PHY_OFDM(0xFB),
-				0x8000, gains.pad | pa_gain);
+				0x8000, gains.pad | (pa_gain << 6));
 		b43_phy_write(dev, B43_PHY_OFDM(0xFC),
 			      (gains.pga << 8) | gains.gm);
 		b43_phy_maskset(dev, B43_PHY_OFDM(0xFD),
-				0x8000, gains.pad | pa_gain);
+				0x8000, gains.pad | (pa_gain << 8));
 	}
 	lpphy_set_dac_gain(dev, gains.dac);
-	if (dev->phy.rev < 2) {
-		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF, 1 << 8);
-	} else {
-		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F, 1 << 7);
-		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF, 1 << 14);
-	}
-	b43_phy_maskset(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF, 1 << 6);
+	lpphy_enable_tx_gain_override(dev);
 }
 
 static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain)
@@ -887,38 +956,6 @@ static void lpphy_rev2plus_set_rx_gain(struct b43_wldev *dev, u32 gain)
 	}
 }
 
-static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
-{
-	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE);
-	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF);
-	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF);
-	if (dev->phy.rev >= 2) {
-		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
-		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
-			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF);
-			b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7);
-		}
-	} else {
-		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF);
-	}
-}
-
-static void lpphy_enable_rx_gain_override(struct b43_wldev *dev)
-{
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40);
-	if (dev->phy.rev >= 2) {
-		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
-		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
-			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400);
-			b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8);
-		}
-	} else {
-		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200);
-	}
-}
-
 static void lpphy_set_rx_gain(struct b43_wldev *dev, u32 gain)
 {
 	if (dev->phy.rev < 2)
@@ -1003,8 +1040,7 @@ static int lpphy_loopback(struct b43_wldev *dev)
 
 	memset(&iq_est, 0, sizeof(iq_est));
 
-	b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x3);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+	lpphy_set_trsw_over(dev, true, true);
 	b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 1);
 	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
 	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
@@ -1126,7 +1162,7 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev,
 			b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM,
 					0x8FFF, ((u16)lpphy->tssi_npt << 16));
 			//TODO Set "TSSI Transmit Count" variable to total transmitted frame count
-			//TODO Disable TX gain override
+			lpphy_disable_tx_gain_override(dev);
 			lpphy->tx_pwr_idx_over = -1;
 		}
 	}
@@ -1312,15 +1348,73 @@ static void lpphy_calibrate_rc(struct b43_wldev *dev)
 	}
 }
 
+static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
+{
+	if (dev->phy.rev >= 2)
+		return; // rev2+ doesn't support antenna diversity
+
+	if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
+		return;
+
+	b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
+
+	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
+	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
+
+	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
+
+	dev->phy.lp->antenna = antenna;
+}
+
+static void lpphy_set_tx_iqcc(struct b43_wldev *dev, u16 a, u16 b)
+{
+	u16 tmp[2];
+
+	tmp[0] = a;
+	tmp[1] = b;
+	b43_lptab_write_bulk(dev, B43_LPTAB16(0, 80), 2, tmp);
+}
+
 static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index)
 {
 	struct b43_phy_lp *lpphy = dev->phy.lp;
+	struct lpphy_tx_gains gains;
+	u32 iq_comp, tx_gain, coeff, rf_power;
 
 	lpphy->tx_pwr_idx_over = index;
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
 	if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF)
 		lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW);
-
-	//TODO
+	if (dev->phy.rev >= 2) {
+		iq_comp = b43_lptab_read(dev, B43_LPTAB32(7, index + 320));
+		tx_gain = b43_lptab_read(dev, B43_LPTAB32(7, index + 192));
+		gains.pad = (tx_gain >> 16) & 0xFF;
+		gains.gm = tx_gain & 0xFF;
+		gains.pga = (tx_gain >> 8) & 0xFF;
+		gains.dac = (iq_comp >> 28) & 0xFF;
+		lpphy_set_tx_gains(dev, gains);
+	} else {
+		iq_comp = b43_lptab_read(dev, B43_LPTAB32(10, index + 320));
+		tx_gain = b43_lptab_read(dev, B43_LPTAB32(10, index + 192));
+		b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
+				0xF800, (tx_gain >> 4) & 0x7FFF);
+		lpphy_set_dac_gain(dev, tx_gain & 0x7);
+		lpphy_set_pa_gain(dev, (tx_gain >> 24) & 0x7F);
+	}
+	lpphy_set_bb_mult(dev, (iq_comp >> 20) & 0xFF);
+	lpphy_set_tx_iqcc(dev, (iq_comp >> 10) & 0x3FF, iq_comp & 0x3FF);
+	if (dev->phy.rev >= 2) {
+		coeff = b43_lptab_read(dev, B43_LPTAB32(7, index + 448));
+	} else {
+		coeff = b43_lptab_read(dev, B43_LPTAB32(10, index + 448));
+	}
+	b43_lptab_write(dev, B43_LPTAB16(0, 85), coeff & 0xFFFF);
+	if (dev->phy.rev >= 2) {
+		rf_power = b43_lptab_read(dev, B43_LPTAB32(7, index + 576));
+		b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00,
+				rf_power & 0xFFFF);//SPEC FIXME mask & set != 0
+	}
+	lpphy_enable_tx_gain_override(dev);
 }
 
 static void lpphy_btcoex_override(struct b43_wldev *dev)
@@ -1329,58 +1423,45 @@ static void lpphy_btcoex_override(struct b43_wldev *dev)
 	b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF);
 }
 
-static void lpphy_pr41573_workaround(struct b43_wldev *dev)
+static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
+					 bool blocked)
 {
-	struct b43_phy_lp *lpphy = dev->phy.lp;
-	u32 *saved_tab;
-	const unsigned int saved_tab_size = 256;
-	enum b43_lpphy_txpctl_mode txpctl_mode;
-	s8 tx_pwr_idx_over;
-	u16 tssi_npt, tssi_idx;
-
-	saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL);
-	if (!saved_tab) {
-		b43err(dev->wl, "PR41573 failed. Out of memory!\n");
-		return;
-	}
-
-	lpphy_read_tx_pctl_mode_from_hardware(dev);
-	txpctl_mode = lpphy->txpctl_mode;
-	tx_pwr_idx_over = lpphy->tx_pwr_idx_over;
-	tssi_npt = lpphy->tssi_npt;
-	tssi_idx = lpphy->tssi_idx;
-
-	if (dev->phy.rev < 2) {
-		b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140),
-				    saved_tab_size, saved_tab);
+	//TODO check MAC control register
+	if (blocked) {
+		if (dev->phy.rev >= 2) {
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x83FF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00);
+			b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0x80FF);
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xDFFF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0808);
+		} else {
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xE0FF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00);
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFCFF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0018);
+		}
 	} else {
-		b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140),
-				    saved_tab_size, saved_tab);
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xE0FF);
+		if (dev->phy.rev >= 2)
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xF7F7);
+		else
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFFE7);
 	}
-	//TODO
-
-	kfree(saved_tab);
 }
 
-static void lpphy_calibration(struct b43_wldev *dev)
+/* This was previously called lpphy_japan_filter */
+static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel)
 {
 	struct b43_phy_lp *lpphy = dev->phy.lp;
-	enum b43_lpphy_txpctl_mode saved_pctl_mode;
-
-	b43_mac_suspend(dev);
-
-	lpphy_btcoex_override(dev);
-	lpphy_read_tx_pctl_mode_from_hardware(dev);
-	saved_pctl_mode = lpphy->txpctl_mode;
-	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
-	//TODO Perform transmit power table I/Q LO calibration
-	if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF))
-		lpphy_pr41573_workaround(dev);
-	//TODO If a full calibration has not been performed on this channel yet, perform PAPD TX-power calibration
-	lpphy_set_tx_power_control(dev, saved_pctl_mode);
-	//TODO Perform I/Q calibration with a single control value set
+	u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter!
 
-	b43_mac_enable(dev);
+	if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific?
+		b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9);
+		if ((dev->phy.rev == 1) && (lpphy->rc_cap))
+			lpphy_set_rc_cap(dev);
+	} else {
+		b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F);
+	}
 }
 
 static void lpphy_set_tssi_mux(struct b43_wldev *dev, enum tssi_mux_mode mode)
@@ -1489,6 +1570,473 @@ static void lpphy_tx_pctl_init(struct b43_wldev *dev)
 	}
 }
 
+static void lpphy_pr41573_workaround(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	u32 *saved_tab;
+	const unsigned int saved_tab_size = 256;
+	enum b43_lpphy_txpctl_mode txpctl_mode;
+	s8 tx_pwr_idx_over;
+	u16 tssi_npt, tssi_idx;
+
+	saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL);
+	if (!saved_tab) {
+		b43err(dev->wl, "PR41573 failed. Out of memory!\n");
+		return;
+	}
+
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
+	txpctl_mode = lpphy->txpctl_mode;
+	tx_pwr_idx_over = lpphy->tx_pwr_idx_over;
+	tssi_npt = lpphy->tssi_npt;
+	tssi_idx = lpphy->tssi_idx;
+
+	if (dev->phy.rev < 2) {
+		b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140),
+				    saved_tab_size, saved_tab);
+	} else {
+		b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140),
+				    saved_tab_size, saved_tab);
+	}
+	//FIXME PHY reset
+	lpphy_table_init(dev); //FIXME is table init needed?
+	lpphy_baseband_init(dev);
+	lpphy_tx_pctl_init(dev);
+	b43_lpphy_op_software_rfkill(dev, false);
+	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+	if (dev->phy.rev < 2) {
+		b43_lptab_write_bulk(dev, B43_LPTAB32(10, 0x140),
+				     saved_tab_size, saved_tab);
+	} else {
+		b43_lptab_write_bulk(dev, B43_LPTAB32(7, 0x140),
+				     saved_tab_size, saved_tab);
+	}
+	b43_write16(dev, B43_MMIO_CHANNEL, lpphy->channel);
+	lpphy->tssi_npt = tssi_npt;
+	lpphy->tssi_idx = tssi_idx;
+	lpphy_set_analog_filter(dev, lpphy->channel);
+	if (tx_pwr_idx_over != -1)
+		lpphy_set_tx_power_by_index(dev, tx_pwr_idx_over);
+	if (lpphy->rc_cap)
+		lpphy_set_rc_cap(dev);
+	b43_lpphy_op_set_rx_antenna(dev, lpphy->antenna);
+	lpphy_set_tx_power_control(dev, txpctl_mode);
+	kfree(saved_tab);
+}
+
+struct lpphy_rx_iq_comp { u8 chan; s8 c1, c0; };
+
+static const struct lpphy_rx_iq_comp lpphy_5354_iq_table[] = {
+	{ .chan = 1, .c1 = -66, .c0 = 15, },
+	{ .chan = 2, .c1 = -66, .c0 = 15, },
+	{ .chan = 3, .c1 = -66, .c0 = 15, },
+	{ .chan = 4, .c1 = -66, .c0 = 15, },
+	{ .chan = 5, .c1 = -66, .c0 = 15, },
+	{ .chan = 6, .c1 = -66, .c0 = 15, },
+	{ .chan = 7, .c1 = -66, .c0 = 14, },
+	{ .chan = 8, .c1 = -66, .c0 = 14, },
+	{ .chan = 9, .c1 = -66, .c0 = 14, },
+	{ .chan = 10, .c1 = -66, .c0 = 14, },
+	{ .chan = 11, .c1 = -66, .c0 = 14, },
+	{ .chan = 12, .c1 = -66, .c0 = 13, },
+	{ .chan = 13, .c1 = -66, .c0 = 13, },
+	{ .chan = 14, .c1 = -66, .c0 = 13, },
+};
+
+static const struct lpphy_rx_iq_comp lpphy_rev0_1_iq_table[] = {
+	{ .chan = 1, .c1 = -64, .c0 = 13, },
+	{ .chan = 2, .c1 = -64, .c0 = 13, },
+	{ .chan = 3, .c1 = -64, .c0 = 13, },
+	{ .chan = 4, .c1 = -64, .c0 = 13, },
+	{ .chan = 5, .c1 = -64, .c0 = 12, },
+	{ .chan = 6, .c1 = -64, .c0 = 12, },
+	{ .chan = 7, .c1 = -64, .c0 = 12, },
+	{ .chan = 8, .c1 = -64, .c0 = 12, },
+	{ .chan = 9, .c1 = -64, .c0 = 12, },
+	{ .chan = 10, .c1 = -64, .c0 = 11, },
+	{ .chan = 11, .c1 = -64, .c0 = 11, },
+	{ .chan = 12, .c1 = -64, .c0 = 11, },
+	{ .chan = 13, .c1 = -64, .c0 = 11, },
+	{ .chan = 14, .c1 = -64, .c0 = 10, },
+	{ .chan = 34, .c1 = -62, .c0 = 24, },
+	{ .chan = 38, .c1 = -62, .c0 = 24, },
+	{ .chan = 42, .c1 = -62, .c0 = 24, },
+	{ .chan = 46, .c1 = -62, .c0 = 23, },
+	{ .chan = 36, .c1 = -62, .c0 = 24, },
+	{ .chan = 40, .c1 = -62, .c0 = 24, },
+	{ .chan = 44, .c1 = -62, .c0 = 23, },
+	{ .chan = 48, .c1 = -62, .c0 = 23, },
+	{ .chan = 52, .c1 = -62, .c0 = 23, },
+	{ .chan = 56, .c1 = -62, .c0 = 22, },
+	{ .chan = 60, .c1 = -62, .c0 = 22, },
+	{ .chan = 64, .c1 = -62, .c0 = 22, },
+	{ .chan = 100, .c1 = -62, .c0 = 16, },
+	{ .chan = 104, .c1 = -62, .c0 = 16, },
+	{ .chan = 108, .c1 = -62, .c0 = 15, },
+	{ .chan = 112, .c1 = -62, .c0 = 14, },
+	{ .chan = 116, .c1 = -62, .c0 = 14, },
+	{ .chan = 120, .c1 = -62, .c0 = 13, },
+	{ .chan = 124, .c1 = -62, .c0 = 12, },
+	{ .chan = 128, .c1 = -62, .c0 = 12, },
+	{ .chan = 132, .c1 = -62, .c0 = 12, },
+	{ .chan = 136, .c1 = -62, .c0 = 11, },
+	{ .chan = 140, .c1 = -62, .c0 = 10, },
+	{ .chan = 149, .c1 = -61, .c0 = 9, },
+	{ .chan = 153, .c1 = -61, .c0 = 9, },
+	{ .chan = 157, .c1 = -61, .c0 = 9, },
+	{ .chan = 161, .c1 = -61, .c0 = 8, },
+	{ .chan = 165, .c1 = -61, .c0 = 8, },
+	{ .chan = 184, .c1 = -62, .c0 = 25, },
+	{ .chan = 188, .c1 = -62, .c0 = 25, },
+	{ .chan = 192, .c1 = -62, .c0 = 25, },
+	{ .chan = 196, .c1 = -62, .c0 = 25, },
+	{ .chan = 200, .c1 = -62, .c0 = 25, },
+	{ .chan = 204, .c1 = -62, .c0 = 25, },
+	{ .chan = 208, .c1 = -62, .c0 = 25, },
+	{ .chan = 212, .c1 = -62, .c0 = 25, },
+	{ .chan = 216, .c1 = -62, .c0 = 26, },
+};
+
+static const struct lpphy_rx_iq_comp lpphy_rev2plus_iq_comp = {
+	.chan = 0,
+	.c1 = -64,
+	.c0 = 0,
+};
+
+static u8 lpphy_nbits(s32 val)
+{
+	u32 tmp = abs(val);
+	u8 nbits = 0;
+
+	while (tmp != 0) {
+		nbits++;
+		tmp >>= 1;
+	}
+
+	return nbits;
+}
+
+static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples)
+{
+	struct lpphy_iq_est iq_est;
+	u16 c0, c1;
+	int prod, ipwr, qpwr, prod_msb, q_msb, tmp1, tmp2, tmp3, tmp4, ret;
+
+	c1 = b43_phy_read(dev, B43_LPPHY_RX_COMP_COEFF_S);
+	c0 = c1 >> 8;
+	c1 |= 0xFF;
+
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, 0x00C0);
+	b43_phy_mask(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF);
+
+	ret = lpphy_rx_iq_est(dev, samples, 32, &iq_est);
+	if (!ret)
+		goto out;
+
+	prod = iq_est.iq_prod;
+	ipwr = iq_est.i_pwr;
+	qpwr = iq_est.q_pwr;
+
+	if (ipwr + qpwr < 2) {
+		ret = 0;
+		goto out;
+	}
+
+	prod_msb = lpphy_nbits(prod);
+	q_msb = lpphy_nbits(qpwr);
+	tmp1 = prod_msb - 20;
+
+	if (tmp1 >= 0) {
+		tmp3 = ((prod << (30 - prod_msb)) + (ipwr >> (1 + tmp1))) /
+			(ipwr >> tmp1);
+	} else {
+		tmp3 = ((prod << (30 - prod_msb)) + (ipwr << (-1 - tmp1))) /
+			(ipwr << -tmp1);
+	}
+
+	tmp2 = q_msb - 11;
+
+	if (tmp2 >= 0)
+		tmp4 = (qpwr << (31 - q_msb)) / (ipwr >> tmp2);
+	else
+		tmp4 = (qpwr << (31 - q_msb)) / (ipwr << -tmp2);
+
+	tmp4 -= tmp3 * tmp3;
+	tmp4 = -int_sqrt(tmp4);
+
+	c0 = tmp3 >> 3;
+	c1 = tmp4 >> 4;
+
+out:
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, c1);
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF, c0 << 8);
+	return ret;
+}
+
+/* Complex number using 2 32-bit signed integers */
+typedef struct {s32 i, q;} lpphy_c32;
+
+static lpphy_c32 lpphy_cordic(int theta)
+{
+	u32 arctg[] = { 2949120, 1740967, 919879, 466945, 234379, 117304,
+		      58666, 29335, 14668, 7334, 3667, 1833, 917, 458,
+		      229, 115, 57, 29, };
+	int i, tmp, signx = 1, angle = 0;
+	lpphy_c32 ret = { .i = 39797, .q = 0, };
+
+	theta = clamp_t(int, theta, -180, 180);
+
+	if (theta > 90) {
+		theta -= 180;
+		signx = -1;
+	} else if (theta < -90) {
+		theta += 180;
+		signx = -1;
+	}
+
+	for (i = 0; i <= 17; i++) {
+		if (theta > angle) {
+			tmp = ret.i - (ret.q >> i);
+			ret.q += ret.i >> i;
+			ret.i = tmp;
+			angle += arctg[i];
+		} else {
+			tmp = ret.i + (ret.q >> i);
+			ret.q -= ret.i >> i;
+			ret.i = tmp;
+			angle -= arctg[i];
+		}
+	}
+
+	ret.i *= signx;
+	ret.q *= signx;
+
+	return ret;
+}
+
+static void lpphy_run_samples(struct b43_wldev *dev, u16 samples, u16 loops,
+			      u16 wait)
+{
+	b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL,
+			0xFFC0, samples - 1);
+	if (loops != 0xFFFF)
+		loops--;
+	b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000, loops);
+	b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL, 0x3F, wait << 6);
+	b43_phy_set(dev, B43_LPPHY_A_PHY_CTL_ADDR, 0x1);
+}
+
+//SPEC FIXME what does a negative freq mean?
+static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	u16 buf[64];
+	int i, samples = 0, angle = 0, rotation = (9 * freq) / 500;
+	lpphy_c32 sample;
+
+	lpphy->tx_tone_freq = freq;
+
+	if (freq) {
+		/* Find i for which abs(freq) integrally divides 20000 * i */
+		for (i = 1; samples * abs(freq) != 20000 * i; i++) {
+			samples = (20000 * i) / abs(freq);
+			if(B43_WARN_ON(samples > 63))
+				return;
+		}
+	} else {
+		samples = 2;
+	}
+
+	for (i = 0; i < samples; i++) {
+		sample = lpphy_cordic(angle);
+		angle += rotation;
+		buf[i] = ((sample.i * max) & 0xFF) << 8;
+		buf[i] |= (sample.q * max) & 0xFF;
+	}
+
+	b43_lptab_write_bulk(dev, B43_LPTAB16(5, 0), samples, buf);
+
+	lpphy_run_samples(dev, samples, 0xFFFF, 0);
+}
+
+static void lpphy_stop_tx_tone(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	int i;
+
+	lpphy->tx_tone_freq = 0;
+
+	b43_phy_mask(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000);
+	for (i = 0; i < 31; i++) {
+		if (!(b43_phy_read(dev, B43_LPPHY_A_PHY_CTL_ADDR) & 0x1))
+			break;
+		udelay(100);
+	}
+}
+
+
+static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains,
+			   int mode, bool useindex, u8 index)
+{
+	//TODO
+}
+
+static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	struct ssb_bus *bus = dev->dev->bus;
+	struct lpphy_tx_gains gains, oldgains;
+	int old_txpctl, old_afe_ovr, old_rf, old_bbmult;
+
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
+	old_txpctl = lpphy->txpctl_mode;
+	old_afe_ovr = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40;
+	if (old_afe_ovr)
+		oldgains = lpphy_get_tx_gains(dev);
+	old_rf = b43_phy_read(dev, B43_LPPHY_RF_PWR_OVERRIDE) & 0xFF;
+	old_bbmult = lpphy_get_bb_mult(dev);
+
+	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+
+	if (bus->chip_id == 0x4325 && bus->chip_rev == 0)
+		lpphy_papd_cal(dev, gains, 0, 1, 30);
+	else
+		lpphy_papd_cal(dev, gains, 0, 1, 65);
+
+	if (old_afe_ovr)
+		lpphy_set_tx_gains(dev, oldgains);
+	lpphy_set_bb_mult(dev, old_bbmult);
+	lpphy_set_tx_power_control(dev, old_txpctl);
+	b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00, old_rf);
+}
+
+static int lpphy_rx_iq_cal(struct b43_wldev *dev, bool noise, bool tx,
+			    bool rx, bool pa, struct lpphy_tx_gains *gains)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	struct ssb_bus *bus = dev->dev->bus;
+	const struct lpphy_rx_iq_comp *iqcomp = NULL;
+	struct lpphy_tx_gains nogains, oldgains;
+	u16 tmp;
+	int i, ret;
+
+	memset(&nogains, 0, sizeof(nogains));
+	memset(&oldgains, 0, sizeof(oldgains));
+
+	if (bus->chip_id == 0x5354) {
+		for (i = 0; i < ARRAY_SIZE(lpphy_5354_iq_table); i++) {
+			if (lpphy_5354_iq_table[i].chan == lpphy->channel) {
+				iqcomp = &lpphy_5354_iq_table[i];
+			}
+		}
+	} else if (dev->phy.rev >= 2) {
+		iqcomp = &lpphy_rev2plus_iq_comp;
+	} else {
+		for (i = 0; i < ARRAY_SIZE(lpphy_rev0_1_iq_table); i++) {
+			if (lpphy_rev0_1_iq_table[i].chan == lpphy->channel) {
+				iqcomp = &lpphy_rev0_1_iq_table[i];
+			}
+		}
+	}
+
+	if (B43_WARN_ON(!iqcomp))
+		return 0;
+
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, iqcomp->c1);
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S,
+			0x00FF, iqcomp->c0 << 8);
+
+	if (noise) {
+		tx = true;
+		rx = false;
+		pa = false;
+	}
+
+	lpphy_set_trsw_over(dev, tx, rx);
+
+	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8);
+		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0,
+				0xFFF7, pa << 3);
+	} else {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x20);
+		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0,
+				0xFFDF, pa << 5);
+	}
+
+	tmp = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40;
+
+	if (noise)
+		lpphy_set_rx_gain(dev, 0x2D5D);
+	else {
+		if (tmp)
+			oldgains = lpphy_get_tx_gains(dev);
+		if (!gains)
+			gains = &nogains;
+		lpphy_set_tx_gains(dev, *gains);
+	}
+
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE);
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x800);
+	lpphy_set_deaf(dev, false);
+	if (noise)
+		ret = lpphy_calc_rx_iq_comp(dev, 0xFFF0);
+	else {
+		lpphy_start_tx_tone(dev, 4000, 100);
+		ret = lpphy_calc_rx_iq_comp(dev, 0x4000);
+		lpphy_stop_tx_tone(dev);
+	}
+	lpphy_clear_deaf(dev, false);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFC);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFF7);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFDF);
+	if (!noise) {
+		if (tmp)
+			lpphy_set_tx_gains(dev, oldgains);
+		else
+			lpphy_disable_tx_gain_override(dev);
+	}
+	lpphy_disable_rx_gain_override(dev);
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE);
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xF7FF);
+	return ret;
+}
+
+static void lpphy_calibration(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	enum b43_lpphy_txpctl_mode saved_pctl_mode;
+	bool full_cal = false;
+
+	if (lpphy->full_calib_chan != lpphy->channel) {
+		full_cal = true;
+		lpphy->full_calib_chan = lpphy->channel;
+	}
+
+	b43_mac_suspend(dev);
+
+	lpphy_btcoex_override(dev);
+	if (dev->phy.rev >= 2)
+		lpphy_save_dig_flt_state(dev);
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
+	saved_pctl_mode = lpphy->txpctl_mode;
+	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+	//TODO Perform transmit power table I/Q LO calibration
+	if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF))
+		lpphy_pr41573_workaround(dev);
+	if ((dev->phy.rev >= 2) && full_cal) {
+		lpphy_papd_cal_txpwr(dev);
+	}
+	lpphy_set_tx_power_control(dev, saved_pctl_mode);
+	if (dev->phy.rev >= 2)
+		lpphy_restore_dig_flt_state(dev);
+	lpphy_rx_iq_cal(dev, true, true, false, false, NULL);
+
+	b43_mac_enable(dev);
+}
+
 static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg)
 {
 	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
@@ -1533,12 +2081,6 @@ static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
 	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
 }
 
-static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
-					 bool blocked)
-{
-	//TODO
-}
-
 struct b206x_channel {
 	u8 channel;
 	u16 freq;
@@ -2004,22 +2546,6 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
 	return err;
 }
 
-
-/* This was previously called lpphy_japan_filter */
-static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel)
-{
-	struct b43_phy_lp *lpphy = dev->phy.lp;
-	u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter!
-
-	if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific?
-		b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9);
-		if ((dev->phy.rev == 1) && (lpphy->rc_cap))
-			lpphy_set_rc_cap(dev);
-	} else {
-		b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F);
-	}
-}
-
 static void lpphy_b2063_vco_calib(struct b43_wldev *dev)
 {
 	u16 tmp;
@@ -2204,18 +2730,6 @@ static int b43_lpphy_op_init(struct b43_wldev *dev)
 	return 0;
 }
 
-static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
-{
-	if (dev->phy.rev >= 2)
-		return; // rev2+ doesn't support antenna diversity
-
-	if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
-		return;
-
-	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
-	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
-}
-
 static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)
 {
 	//TODO
@@ -2238,6 +2752,11 @@ void b43_lpphy_op_switch_analog(struct b43_wldev *dev, bool on)
        }
 }
 
+static void b43_lpphy_op_pwork_15sec(struct b43_wldev *dev)
+{
+	//TODO
+}
+
 const struct b43_phy_operations b43_phyops_lp = {
 	.allocate		= b43_lpphy_op_allocate,
 	.free			= b43_lpphy_op_free,
@@ -2255,4 +2774,6 @@ const struct b43_phy_operations b43_phyops_lp = {
 	.set_rx_antenna		= b43_lpphy_op_set_rx_antenna,
 	.recalc_txpower		= b43_lpphy_op_recalc_txpower,
 	.adjust_txpower		= b43_lpphy_op_adjust_txpower,
+	.pwork_15sec		= b43_lpphy_op_pwork_15sec,
+	.pwork_60sec		= lpphy_calibration,
 };
diff --git a/drivers/net/wireless/b43/phy_lp.h b/drivers/net/wireless/b43/phy_lp.h
index c3232c17b60a..62737f700cbc 100644
--- a/drivers/net/wireless/b43/phy_lp.h
+++ b/drivers/net/wireless/b43/phy_lp.h
@@ -286,6 +286,7 @@
 #define B43_LPPHY_TR_LOOKUP_6			B43_PHY_OFDM(0xC8) /* TR Lookup 6 */
 #define B43_LPPHY_TR_LOOKUP_7			B43_PHY_OFDM(0xC9) /* TR Lookup 7 */
 #define B43_LPPHY_TR_LOOKUP_8			B43_PHY_OFDM(0xCA) /* TR Lookup 8 */
+#define B43_LPPHY_RF_PWR_OVERRIDE		B43_PHY_OFDM(0xD3) /* RF power override */
 
 
 
@@ -871,12 +872,12 @@ struct b43_phy_lp {
 	u8 rssi_gs;
 
 	/* RC cap */
-	u8 rc_cap; /* FIXME initial value? */
+	u8 rc_cap;
 	/* BX arch */
 	u8 bx_arch;
 
 	/* Full calibration channel */
-	u8 full_calib_chan; /* FIXME initial value? */
+	u8 full_calib_chan;
 
 	/* Transmit iqlocal best coeffs */
 	bool tx_iqloc_best_coeffs_valid;
@@ -891,6 +892,12 @@ struct b43_phy_lp {
 
 	/* The channel we are tuned to */
 	u8 channel;
+
+	/* The active antenna diversity mode */
+	int antenna;
+
+	/* Frequency of the active TX tone */
+	int tx_tone_freq;
 };
 
 enum tssi_mux_mode {
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 9b9044400218..c01b8e02412f 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -342,12 +342,15 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
 			q->mmio_base + B43_PIO_TXDATA,
 			sizeof(u16));
 	if (data_len & 1) {
+		u8 *tail = wl->pio_tailspace;
+		BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 2);
+
 		/* Write the last byte. */
 		ctl &= ~B43_PIO_TXCTL_WRITEHI;
 		b43_piotx_write16(q, B43_PIO_TXCTL, ctl);
-		wl->tx_tail[0] = data[data_len - 1];
-		wl->tx_tail[1] = 0;
-		ssb_block_write(dev->dev, wl->tx_tail, 2,
+		tail[0] = data[data_len - 1];
+		tail[1] = 0;
+		ssb_block_write(dev->dev, tail, 2,
 				q->mmio_base + B43_PIO_TXDATA,
 				sizeof(u16));
 	}
@@ -393,31 +396,31 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
 			q->mmio_base + B43_PIO8_TXDATA,
 			sizeof(u32));
 	if (data_len & 3) {
-		wl->tx_tail[3] = 0;
+		u8 *tail = wl->pio_tailspace;
+		BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 4);
+
+		memset(tail, 0, 4);
 		/* Write the last few bytes. */
 		ctl &= ~(B43_PIO8_TXCTL_8_15 | B43_PIO8_TXCTL_16_23 |
 			 B43_PIO8_TXCTL_24_31);
 		switch (data_len & 3) {
 		case 3:
 			ctl |= B43_PIO8_TXCTL_16_23 | B43_PIO8_TXCTL_8_15;
-			wl->tx_tail[0] = data[data_len - 3];
-			wl->tx_tail[1] = data[data_len - 2];
-			wl->tx_tail[2] = data[data_len - 1];
+			tail[0] = data[data_len - 3];
+			tail[1] = data[data_len - 2];
+			tail[2] = data[data_len - 1];
 			break;
 		case 2:
 			ctl |= B43_PIO8_TXCTL_8_15;
-			wl->tx_tail[0] = data[data_len - 2];
-			wl->tx_tail[1] = data[data_len - 1];
-			wl->tx_tail[2] = 0;
+			tail[0] = data[data_len - 2];
+			tail[1] = data[data_len - 1];
 			break;
 		case 1:
-			wl->tx_tail[0] = data[data_len - 1];
-			wl->tx_tail[1] = 0;
-			wl->tx_tail[2] = 0;
+			tail[0] = data[data_len - 1];
 			break;
 		}
 		b43_piotx_write32(q, B43_PIO8_TXCTL, ctl);
-		ssb_block_write(dev->dev, wl->tx_tail, 4,
+		ssb_block_write(dev->dev, tail, 4,
 				q->mmio_base + B43_PIO8_TXDATA,
 				sizeof(u32));
 	}
@@ -456,6 +459,7 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
 	int err;
 	unsigned int hdrlen;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct b43_txhdr *txhdr = (struct b43_txhdr *)wl->pio_scratchspace;
 
 	B43_WARN_ON(list_empty(&q->packets_list));
 	pack = list_entry(q->packets_list.next,
@@ -463,7 +467,9 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
 
 	cookie = generate_cookie(q, pack);
 	hdrlen = b43_txhdr_size(dev);
-	err = b43_generate_txhdr(dev, (u8 *)&wl->txhdr, skb,
+	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(struct b43_txhdr));
+	B43_WARN_ON(sizeof(wl->pio_scratchspace) < hdrlen);
+	err = b43_generate_txhdr(dev, (u8 *)txhdr, skb,
 				 info, cookie);
 	if (err)
 		return err;
@@ -477,9 +483,9 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
 
 	pack->skb = skb;
 	if (q->rev >= 8)
-		pio_tx_frame_4byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
+		pio_tx_frame_4byte_queue(pack, (const u8 *)txhdr, hdrlen);
 	else
-		pio_tx_frame_2byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
+		pio_tx_frame_2byte_queue(pack, (const u8 *)txhdr, hdrlen);
 
 	/* Remove it from the list of available packet slots.
 	 * It will be put back when we receive the status report. */
@@ -625,8 +631,11 @@ static bool pio_rx_frame(struct b43_pio_rxqueue *q)
 	unsigned int i, padding;
 	struct sk_buff *skb;
 	const char *err_msg = NULL;
+	struct b43_rxhdr_fw4 *rxhdr =
+		(struct b43_rxhdr_fw4 *)wl->pio_scratchspace;
 
-	memset(&wl->rxhdr, 0, sizeof(wl->rxhdr));
+	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(*rxhdr));
+	memset(rxhdr, 0, sizeof(*rxhdr));
 
 	/* Check if we have data and wait for it to get ready. */
 	if (q->rev >= 8) {
@@ -664,16 +673,16 @@ data_ready:
 
 	/* Get the preamble (RX header) */
 	if (q->rev >= 8) {
-		ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
+		ssb_block_read(dev->dev, rxhdr, sizeof(*rxhdr),
 			       q->mmio_base + B43_PIO8_RXDATA,
 			       sizeof(u32));
 	} else {
-		ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
+		ssb_block_read(dev->dev, rxhdr, sizeof(*rxhdr),
 			       q->mmio_base + B43_PIO_RXDATA,
 			       sizeof(u16));
 	}
 	/* Sanity checks. */
-	len = le16_to_cpu(wl->rxhdr.frame_len);
+	len = le16_to_cpu(rxhdr->frame_len);
 	if (unlikely(len > 0x700)) {
 		err_msg = "len > 0x700";
 		goto rx_error;
@@ -683,7 +692,7 @@ data_ready:
 		goto rx_error;
 	}
 
-	macstat = le32_to_cpu(wl->rxhdr.mac_status);
+	macstat = le32_to_cpu(rxhdr->mac_status);
 	if (macstat & B43_RX_MAC_FCSERR) {
 		if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) {
 			/* Drop frames with failed FCS. */
@@ -708,22 +717,25 @@ data_ready:
 			       q->mmio_base + B43_PIO8_RXDATA,
 			       sizeof(u32));
 		if (len & 3) {
+			u8 *tail = wl->pio_tailspace;
+			BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 4);
+
 			/* Read the last few bytes. */
-			ssb_block_read(dev->dev, wl->rx_tail, 4,
+			ssb_block_read(dev->dev, tail, 4,
 				       q->mmio_base + B43_PIO8_RXDATA,
 				       sizeof(u32));
 			switch (len & 3) {
 			case 3:
-				skb->data[len + padding - 3] = wl->rx_tail[0];
-				skb->data[len + padding - 2] = wl->rx_tail[1];
-				skb->data[len + padding - 1] = wl->rx_tail[2];
+				skb->data[len + padding - 3] = tail[0];
+				skb->data[len + padding - 2] = tail[1];
+				skb->data[len + padding - 1] = tail[2];
 				break;
 			case 2:
-				skb->data[len + padding - 2] = wl->rx_tail[0];
-				skb->data[len + padding - 1] = wl->rx_tail[1];
+				skb->data[len + padding - 2] = tail[0];
+				skb->data[len + padding - 1] = tail[1];
 				break;
 			case 1:
-				skb->data[len + padding - 1] = wl->rx_tail[0];
+				skb->data[len + padding - 1] = tail[0];
 				break;
 			}
 		}
@@ -732,22 +744,29 @@ data_ready:
 			       q->mmio_base + B43_PIO_RXDATA,
 			       sizeof(u16));
 		if (len & 1) {
+			u8 *tail = wl->pio_tailspace;
+			BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 2);
+
 			/* Read the last byte. */
-			ssb_block_read(dev->dev, wl->rx_tail, 2,
+			ssb_block_read(dev->dev, tail, 2,
 				       q->mmio_base + B43_PIO_RXDATA,
 				       sizeof(u16));
-			skb->data[len + padding - 1] = wl->rx_tail[0];
+			skb->data[len + padding - 1] = tail[0];
 		}
 	}
 
-	b43_rx(q->dev, skb, &wl->rxhdr);
+	b43_rx(q->dev, skb, rxhdr);
 
 	return 1;
 
 rx_error:
 	if (err_msg)
 		b43dbg(q->dev->wl, "PIO RX error: %s\n", err_msg);
-	b43_piorx_write16(q, B43_PIO_RXCTL, B43_PIO_RXCTL_DATARDY);
+	if (q->rev >= 8)
+		b43_piorx_write32(q, B43_PIO8_RXCTL, B43_PIO8_RXCTL_DATARDY);
+	else
+		b43_piorx_write16(q, B43_PIO_RXCTL, B43_PIO_RXCTL_DATARDY);
+
 	return 1;
 }
 
diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c
index ffdce6f3c909..78016ae21c50 100644
--- a/drivers/net/wireless/b43/rfkill.c
+++ b/drivers/net/wireless/b43/rfkill.c
@@ -33,8 +33,14 @@ bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
 		      & B43_MMIO_RADIO_HWENABLED_HI_MASK))
 			return 1;
 	} else {
-		if (b43_status(dev) >= B43_STAT_STARTED &&
-		    b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
+		/* To prevent CPU fault on PPC, do not read a register
+		 * unless the interface is started; however, on resume
+		 * for hibernation, this routine is entered early. When
+		 * that happens, unconditionally return TRUE.
+		 */
+		if (b43_status(dev) < B43_STAT_STARTED)
+			return 1;
+		if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
 		    & B43_MMIO_RADIO_HWENABLED_LO_MASK)
 			return 1;
 	}
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index f4e9695ec186..eda06529ef5f 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -27,7 +27,7 @@
 
 */
 
-#include "b43.h"
+#include "xmit.h"
 #include "phy_common.h"
 #include "dma.h"
 #include "pio.h"
@@ -621,7 +621,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 						  (phystat0 & B43_RX_PHYST0_OFDM),
 						  (phystat0 & B43_RX_PHYST0_GAINCTL),
 						  (phystat3 & B43_RX_PHYST3_TRSTATE));
-		status.qual = (rxhdr->jssi * 100) / B43_RX_MAX_SSI;
 	}
 
 	if (phystat0 & B43_RX_PHYST0_OFDM)
@@ -690,10 +689,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	}
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-
-	local_bh_disable();
-	ieee80211_rx(dev->wl->hw, skb);
-	local_bh_enable();
+	ieee80211_rx_ni(dev->wl->hw, skb);
 
 #if B43_DEBUG
 	dev->rx_count++;
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index 3530de871873..d23ff9fe0c9e 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -2,6 +2,8 @@
 #define B43_XMIT_H_
 
 #include "main.h"
+#include <net/mac80211.h>
+
 
 #define _b43_declare_plcp_hdr(size) \
 	struct b43_plcp_hdr##size {		\
@@ -332,4 +334,21 @@ static inline u8 b43_kidx_to_raw(struct b43_wldev *dev, u8 firmware_kidx)
 	return raw_kidx;
 }
 
+/* struct b43_private_tx_info - TX info private to b43.
+ * The structure is placed in (struct ieee80211_tx_info *)->rate_driver_data
+ *
+ * @bouncebuffer: DMA Bouncebuffer (if used)
+ */
+struct b43_private_tx_info {
+	void *bouncebuffer;
+};
+
+static inline struct b43_private_tx_info *
+b43_get_priv_tx_info(struct ieee80211_tx_info *info)
+{
+	BUILD_BUG_ON(sizeof(struct b43_private_tx_info) >
+		     sizeof(info->rate_driver_data));
+	return (struct b43_private_tx_info *)info->rate_driver_data;
+}
+
 #endif /* B43_XMIT_H_ */