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Commit a9f89463 authored by Kalle Valo's avatar Kalle Valo
Browse files

Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git 

ath.git patches for 4.16. Major changes:

ath10k

* more preparation work for wcn3990 support

* add memory dump to firmware coredump files

wil6210

* support scheduled scan

* support 40-bit DMA addresses
parents f1398fd2 4c8cf8df

drivers/net/wireless/ath/ath10k/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ ath10k_core-$(CONFIG_ATH10K_TRACING) += trace.o 
ath10k_core-$(CONFIG_THERMAL) += thermal.o

ath10k_core-$(CONFIG_MAC80211_DEBUGFS) += debugfs_sta.o

ath10k_core-$(CONFIG_PM) += wow.o

ath10k_core-$(CONFIG_DEV_COREDUMP) += coredump.o



obj-$(CONFIG_ATH10K_PCI) += ath10k_pci.o

ath10k_pci-y += pci.o \

drivers/net/wireless/ath/ath10k/ahb.c

+1 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2016 Qualcomm Atheros, Inc. All rights reserved.

 * Copyright (c) 2016-2017 Qualcomm Atheros, Inc. All rights reserved.

 * Copyright (c) 2015 The Linux Foundation. All rights reserved.

 *

 * Permission to use, copy, modify, and/or distribute this software for any

drivers/net/wireless/ath/ath10k/bmi.c

+1 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2005-2011 Atheros Communications Inc.

 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.

 * Copyright (c) 2011-2014,2016-2017 Qualcomm Atheros, 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

drivers/net/wireless/ath/ath10k/bmi.h

+1 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2005-2011 Atheros Communications Inc.

 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.

 * Copyright (c) 2011-2015,2017 Qualcomm Atheros, 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

drivers/net/wireless/ath/ath10k/ce.c

+542 −94
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2005-2011 Atheros Communications Inc.

 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.

 * Copyright (c) 2011-2017 Qualcomm Atheros, 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
@@ -327,9 +327,9 @@ static inline void ath10k_ce_engine_int_status_clear(struct ath10k *ar, 
 * Guts of ath10k_ce_send.

 * The caller takes responsibility for any needed locking.

 */

int ath10k_ce_send_nolock(struct ath10k_ce_pipe *ce_state,

static int _ath10k_ce_send_nolock(struct ath10k_ce_pipe *ce_state,

				  void *per_transfer_context,

			  u32 buffer,

				  dma_addr_t buffer,

				  unsigned int nbytes,

				  unsigned int transfer_id,

				  unsigned int flags)
@@ -384,6 +384,87 @@ int ath10k_ce_send_nolock(struct ath10k_ce_pipe *ce_state, 
	return ret;

}



static int _ath10k_ce_send_nolock_64(struct ath10k_ce_pipe *ce_state,

				     void *per_transfer_context,

				     dma_addr_t buffer,

				     unsigned int nbytes,

				     unsigned int transfer_id,

				     unsigned int flags)

{

	struct ath10k *ar = ce_state->ar;

	struct ath10k_ce_ring *src_ring = ce_state->src_ring;

	struct ce_desc_64 *desc, sdesc;

	unsigned int nentries_mask = src_ring->nentries_mask;

	unsigned int sw_index = src_ring->sw_index;

	unsigned int write_index = src_ring->write_index;

	u32 ctrl_addr = ce_state->ctrl_addr;

	__le32 *addr;

	u32 desc_flags = 0;

	int ret = 0;



	if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))

		return -ESHUTDOWN;



	if (nbytes > ce_state->src_sz_max)

		ath10k_warn(ar, "%s: send more we can (nbytes: %d, max: %d)\n",

			    __func__, nbytes, ce_state->src_sz_max);



	if (unlikely(CE_RING_DELTA(nentries_mask,

				   write_index, sw_index - 1) <= 0)) {

		ret = -ENOSR;

		goto exit;

	}



	desc = CE_SRC_RING_TO_DESC_64(src_ring->base_addr_owner_space,

				      write_index);



	desc_flags |= SM(transfer_id, CE_DESC_FLAGS_META_DATA);



	if (flags & CE_SEND_FLAG_GATHER)

		desc_flags |= CE_DESC_FLAGS_GATHER;



	if (flags & CE_SEND_FLAG_BYTE_SWAP)

		desc_flags |= CE_DESC_FLAGS_BYTE_SWAP;



	addr = (__le32 *)&sdesc.addr;



	flags |= upper_32_bits(buffer) & CE_DESC_FLAGS_GET_MASK;

	addr[0] = __cpu_to_le32(buffer);

	addr[1] = __cpu_to_le32(flags);

	if (flags & CE_SEND_FLAG_GATHER)

		addr[1] |= __cpu_to_le32(CE_WCN3990_DESC_FLAGS_GATHER);

	else

		addr[1] &= ~(__cpu_to_le32(CE_WCN3990_DESC_FLAGS_GATHER));



	sdesc.nbytes = __cpu_to_le16(nbytes);

	sdesc.flags  = __cpu_to_le16(desc_flags);



	*desc = sdesc;



	src_ring->per_transfer_context[write_index] = per_transfer_context;



	/* Update Source Ring Write Index */

	write_index = CE_RING_IDX_INCR(nentries_mask, write_index);



	if (!(flags & CE_SEND_FLAG_GATHER))

		ath10k_ce_src_ring_write_index_set(ar, ctrl_addr, write_index);



	src_ring->write_index = write_index;

exit:

	return ret;

}



int ath10k_ce_send_nolock(struct ath10k_ce_pipe *ce_state,

			  void *per_transfer_context,

			  dma_addr_t buffer,

			  unsigned int nbytes,

			  unsigned int transfer_id,

			  unsigned int flags)

{

	return ce_state->ops->ce_send_nolock(ce_state, per_transfer_context,

				    buffer, nbytes, transfer_id, flags);

}



void __ath10k_ce_send_revert(struct ath10k_ce_pipe *pipe)

{

	struct ath10k *ar = pipe->ar;
@@ -413,7 +494,7 @@ void __ath10k_ce_send_revert(struct ath10k_ce_pipe *pipe) 


int ath10k_ce_send(struct ath10k_ce_pipe *ce_state,

		   void *per_transfer_context,

		   u32 buffer,

		   dma_addr_t buffer,

		   unsigned int nbytes,

		   unsigned int transfer_id,

		   unsigned int flags)
@@ -459,7 +540,8 @@ int __ath10k_ce_rx_num_free_bufs(struct ath10k_ce_pipe *pipe) 
	return CE_RING_DELTA(nentries_mask, write_index, sw_index - 1);

}



int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)

static int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx,

				   dma_addr_t paddr)

{

	struct ath10k *ar = pipe->ar;

	struct ath10k_ce *ce = ath10k_ce_priv(ar);
@@ -488,6 +570,39 @@ int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr) 
	return 0;

}



static int __ath10k_ce_rx_post_buf_64(struct ath10k_ce_pipe *pipe,

				      void *ctx,

				      dma_addr_t paddr)

{

	struct ath10k *ar = pipe->ar;

	struct ath10k_ce *ce = ath10k_ce_priv(ar);

	struct ath10k_ce_ring *dest_ring = pipe->dest_ring;

	unsigned int nentries_mask = dest_ring->nentries_mask;

	unsigned int write_index = dest_ring->write_index;

	unsigned int sw_index = dest_ring->sw_index;

	struct ce_desc_64 *base = dest_ring->base_addr_owner_space;

	struct ce_desc_64 *desc =

			CE_DEST_RING_TO_DESC_64(base, write_index);

	u32 ctrl_addr = pipe->ctrl_addr;



	lockdep_assert_held(&ce->ce_lock);



	if (CE_RING_DELTA(nentries_mask, write_index, sw_index - 1) == 0)

		return -ENOSPC;



	desc->addr = __cpu_to_le64(paddr);

	desc->addr &= __cpu_to_le64(CE_DESC_37BIT_ADDR_MASK);



	desc->nbytes = 0;



	dest_ring->per_transfer_context[write_index] = ctx;

	write_index = CE_RING_IDX_INCR(nentries_mask, write_index);

	ath10k_ce_dest_ring_write_index_set(ar, ctrl_addr, write_index);

	dest_ring->write_index = write_index;



	return 0;

}



void ath10k_ce_rx_update_write_idx(struct ath10k_ce_pipe *pipe, u32 nentries)

{

	struct ath10k *ar = pipe->ar;
@@ -508,14 +623,15 @@ void ath10k_ce_rx_update_write_idx(struct ath10k_ce_pipe *pipe, u32 nentries) 
	dest_ring->write_index = write_index;

}



int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)

int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx,

			  dma_addr_t paddr)

{

	struct ath10k *ar = pipe->ar;

	struct ath10k_ce *ce = ath10k_ce_priv(ar);

	int ret;



	spin_lock_bh(&ce->ce_lock);

	ret = __ath10k_ce_rx_post_buf(pipe, ctx, paddr);

	ret = pipe->ops->ce_rx_post_buf(pipe, ctx, paddr);

	spin_unlock_bh(&ce->ce_lock);



	return ret;
@@ -525,7 +641,8 @@ int ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr) 
 * Guts of ath10k_ce_completed_recv_next.

 * The caller takes responsibility for any necessary locking.

 */

int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state,

static int

	 _ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state,

					       void **per_transfer_contextp,

					       unsigned int *nbytesp)

{
@@ -574,6 +691,64 @@ int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state, 
	return 0;

}



static int

_ath10k_ce_completed_recv_next_nolock_64(struct ath10k_ce_pipe *ce_state,

					 void **per_transfer_contextp,

					 unsigned int *nbytesp)

{

	struct ath10k_ce_ring *dest_ring = ce_state->dest_ring;

	unsigned int nentries_mask = dest_ring->nentries_mask;

	unsigned int sw_index = dest_ring->sw_index;

	struct ce_desc_64 *base = dest_ring->base_addr_owner_space;

	struct ce_desc_64 *desc =

		CE_DEST_RING_TO_DESC_64(base, sw_index);

	struct ce_desc_64 sdesc;

	u16 nbytes;



	/* Copy in one go for performance reasons */

	sdesc = *desc;



	nbytes = __le16_to_cpu(sdesc.nbytes);

	if (nbytes == 0) {

		/* This closes a relatively unusual race where the Host

		 * sees the updated DRRI before the update to the

		 * corresponding descriptor has completed. We treat this

		 * as a descriptor that is not yet done.

		 */

		return -EIO;

	}



	desc->nbytes = 0;



	/* Return data from completed destination descriptor */

	*nbytesp = nbytes;



	if (per_transfer_contextp)

		*per_transfer_contextp =

			dest_ring->per_transfer_context[sw_index];



	/* Copy engine 5 (HTT Rx) will reuse the same transfer context.

	 * So update transfer context all CEs except CE5.

	 */

	if (ce_state->id != 5)

		dest_ring->per_transfer_context[sw_index] = NULL;



	/* Update sw_index */

	sw_index = CE_RING_IDX_INCR(nentries_mask, sw_index);

	dest_ring->sw_index = sw_index;



	return 0;

}



int ath10k_ce_completed_recv_next_nolock(struct ath10k_ce_pipe *ce_state,

					 void **per_transfer_ctx,

					 unsigned int *nbytesp)

{

	return ce_state->ops->ce_completed_recv_next_nolock(ce_state,

							    per_transfer_ctx,

							    nbytesp);

}



int ath10k_ce_completed_recv_next(struct ath10k_ce_pipe *ce_state,

				  void **per_transfer_contextp,

				  unsigned int *nbytesp)
@@ -583,17 +758,18 @@ int ath10k_ce_completed_recv_next(struct ath10k_ce_pipe *ce_state, 
	int ret;



	spin_lock_bh(&ce->ce_lock);

	ret = ath10k_ce_completed_recv_next_nolock(ce_state,

	ret = ce_state->ops->ce_completed_recv_next_nolock(ce_state,

						   per_transfer_contextp,

						   nbytesp);



	spin_unlock_bh(&ce->ce_lock);



	return ret;

}



int ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state,

static int _ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state,

				       void **per_transfer_contextp,

			       u32 *bufferp)

				       dma_addr_t *bufferp)

{

	struct ath10k_ce_ring *dest_ring;

	unsigned int nentries_mask;
@@ -644,6 +820,69 @@ int ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state, 
	return ret;

}



static int _ath10k_ce_revoke_recv_next_64(struct ath10k_ce_pipe *ce_state,

					  void **per_transfer_contextp,

					  dma_addr_t *bufferp)

{

	struct ath10k_ce_ring *dest_ring;

	unsigned int nentries_mask;

	unsigned int sw_index;

	unsigned int write_index;

	int ret;

	struct ath10k *ar;

	struct ath10k_ce *ce;



	dest_ring = ce_state->dest_ring;



	if (!dest_ring)

		return -EIO;



	ar = ce_state->ar;

	ce = ath10k_ce_priv(ar);



	spin_lock_bh(&ce->ce_lock);



	nentries_mask = dest_ring->nentries_mask;

	sw_index = dest_ring->sw_index;

	write_index = dest_ring->write_index;

	if (write_index != sw_index) {

		struct ce_desc_64 *base = dest_ring->base_addr_owner_space;

		struct ce_desc_64 *desc =

			CE_DEST_RING_TO_DESC_64(base, sw_index);



		/* Return data from completed destination descriptor */

		*bufferp = __le64_to_cpu(desc->addr);



		if (per_transfer_contextp)

			*per_transfer_contextp =

				dest_ring->per_transfer_context[sw_index];



		/* sanity */

		dest_ring->per_transfer_context[sw_index] = NULL;

		desc->nbytes = 0;



		/* Update sw_index */

		sw_index = CE_RING_IDX_INCR(nentries_mask, sw_index);

		dest_ring->sw_index = sw_index;

		ret = 0;

	} else {

		ret = -EIO;

	}



	spin_unlock_bh(&ce->ce_lock);



	return ret;

}



int ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state,

			       void **per_transfer_contextp,

			       dma_addr_t *bufferp)

{

	return ce_state->ops->ce_revoke_recv_next(ce_state,

						  per_transfer_contextp,

						  bufferp);

}



/*

 * Guts of ath10k_ce_completed_send_next.

 * The caller takes responsibility for any necessary locking.
@@ -698,10 +937,45 @@ int ath10k_ce_completed_send_next_nolock(struct ath10k_ce_pipe *ce_state, 
	return 0;

}



static void ath10k_ce_extract_desc_data(struct ath10k *ar,

					struct ath10k_ce_ring *src_ring,

					u32 sw_index,

					dma_addr_t *bufferp,

					u32 *nbytesp,

					u32 *transfer_idp)

{

		struct ce_desc *base = src_ring->base_addr_owner_space;

		struct ce_desc *desc = CE_SRC_RING_TO_DESC(base, sw_index);



		/* Return data from completed source descriptor */

		*bufferp = __le32_to_cpu(desc->addr);

		*nbytesp = __le16_to_cpu(desc->nbytes);

		*transfer_idp = MS(__le16_to_cpu(desc->flags),

				   CE_DESC_FLAGS_META_DATA);

}



static void ath10k_ce_extract_desc_data_64(struct ath10k *ar,

					   struct ath10k_ce_ring *src_ring,

					   u32 sw_index,

					   dma_addr_t *bufferp,

					   u32 *nbytesp,

					   u32 *transfer_idp)

{

		struct ce_desc_64 *base = src_ring->base_addr_owner_space;

		struct ce_desc_64 *desc =

			CE_SRC_RING_TO_DESC_64(base, sw_index);



		/* Return data from completed source descriptor */

		*bufferp = __le64_to_cpu(desc->addr);

		*nbytesp = __le16_to_cpu(desc->nbytes);

		*transfer_idp = MS(__le16_to_cpu(desc->flags),

				   CE_DESC_FLAGS_META_DATA);

}



/* NB: Modeled after ath10k_ce_completed_send_next */

int ath10k_ce_cancel_send_next(struct ath10k_ce_pipe *ce_state,

			       void **per_transfer_contextp,

			       u32 *bufferp,

			       dma_addr_t *bufferp,

			       unsigned int *nbytesp,

			       unsigned int *transfer_idp)

{
@@ -728,14 +1002,9 @@ int ath10k_ce_cancel_send_next(struct ath10k_ce_pipe *ce_state, 
	write_index = src_ring->write_index;



	if (write_index != sw_index) {

		struct ce_desc *base = src_ring->base_addr_owner_space;

		struct ce_desc *desc = CE_SRC_RING_TO_DESC(base, sw_index);



		/* Return data from completed source descriptor */

		*bufferp = __le32_to_cpu(desc->addr);

		*nbytesp = __le16_to_cpu(desc->nbytes);

		*transfer_idp = MS(__le16_to_cpu(desc->flags),

						CE_DESC_FLAGS_META_DATA);

		ce_state->ops->ce_extract_desc_data(ar, src_ring, sw_index,

						    bufferp, nbytesp,

						    transfer_idp);



		if (per_transfer_contextp)

			*per_transfer_contextp =
@@ -897,6 +1166,10 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar, 


	nentries = roundup_pow_of_two(attr->src_nentries);



	if (ar->hw_params.target_64bit)

		memset(src_ring->base_addr_owner_space, 0,

		       nentries * sizeof(struct ce_desc_64));

	else

		memset(src_ring->base_addr_owner_space, 0,

		       nentries * sizeof(struct ce_desc));
@@ -934,6 +1207,10 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar, 


	nentries = roundup_pow_of_two(attr->dest_nentries);



	if (ar->hw_params.target_64bit)

		memset(dest_ring->base_addr_owner_space, 0,

		       nentries * sizeof(struct ce_desc_64));

	else

		memset(dest_ring->base_addr_owner_space, 0,

		       nentries * sizeof(struct ce_desc));
@@ -993,11 +1270,56 @@ ath10k_ce_alloc_src_ring(struct ath10k *ar, unsigned int ce_id, 


	src_ring->base_addr_ce_space_unaligned = base_addr;



	src_ring->base_addr_owner_space = PTR_ALIGN(

			src_ring->base_addr_owner_space_unaligned,

	src_ring->base_addr_owner_space =

			PTR_ALIGN(src_ring->base_addr_owner_space_unaligned,

				  CE_DESC_RING_ALIGN);

	src_ring->base_addr_ce_space =

			ALIGN(src_ring->base_addr_ce_space_unaligned,

			      CE_DESC_RING_ALIGN);



	return src_ring;

}



static struct ath10k_ce_ring *

ath10k_ce_alloc_src_ring_64(struct ath10k *ar, unsigned int ce_id,

			    const struct ce_attr *attr)

{

	struct ath10k_ce_ring *src_ring;

	u32 nentries = attr->src_nentries;

	dma_addr_t base_addr;



	nentries = roundup_pow_of_two(nentries);



	src_ring = kzalloc(sizeof(*src_ring) +

			   (nentries *

			    sizeof(*src_ring->per_transfer_context)),

			   GFP_KERNEL);

	if (!src_ring)

		return ERR_PTR(-ENOMEM);



	src_ring->nentries = nentries;

	src_ring->nentries_mask = nentries - 1;



	/* Legacy platforms that do not support cache

	 * coherent DMA are unsupported

	 */

	src_ring->base_addr_owner_space_unaligned =

		dma_alloc_coherent(ar->dev,

				   (nentries * sizeof(struct ce_desc_64) +

				    CE_DESC_RING_ALIGN),

				   &base_addr, GFP_KERNEL);

	if (!src_ring->base_addr_owner_space_unaligned) {

		kfree(src_ring);

		return ERR_PTR(-ENOMEM);

	}



	src_ring->base_addr_ce_space_unaligned = base_addr;



	src_ring->base_addr_owner_space =

			PTR_ALIGN(src_ring->base_addr_owner_space_unaligned,

				  CE_DESC_RING_ALIGN);

	src_ring->base_addr_ce_space = ALIGN(

			src_ring->base_addr_ce_space_unaligned,

	src_ring->base_addr_ce_space =

			ALIGN(src_ring->base_addr_ce_space_unaligned,

			      CE_DESC_RING_ALIGN);



	return src_ring;
@@ -1039,11 +1361,62 @@ ath10k_ce_alloc_dest_ring(struct ath10k *ar, unsigned int ce_id, 


	dest_ring->base_addr_ce_space_unaligned = base_addr;



	dest_ring->base_addr_owner_space = PTR_ALIGN(

			dest_ring->base_addr_owner_space_unaligned,

	dest_ring->base_addr_owner_space =

			PTR_ALIGN(dest_ring->base_addr_owner_space_unaligned,

				  CE_DESC_RING_ALIGN);

	dest_ring->base_addr_ce_space =

				ALIGN(dest_ring->base_addr_ce_space_unaligned,

				      CE_DESC_RING_ALIGN);



	return dest_ring;

}



static struct ath10k_ce_ring *

ath10k_ce_alloc_dest_ring_64(struct ath10k *ar, unsigned int ce_id,

			     const struct ce_attr *attr)

{

	struct ath10k_ce_ring *dest_ring;

	u32 nentries;

	dma_addr_t base_addr;



	nentries = roundup_pow_of_two(attr->dest_nentries);



	dest_ring = kzalloc(sizeof(*dest_ring) +

			    (nentries *

			     sizeof(*dest_ring->per_transfer_context)),

			    GFP_KERNEL);

	if (!dest_ring)

		return ERR_PTR(-ENOMEM);



	dest_ring->nentries = nentries;

	dest_ring->nentries_mask = nentries - 1;



	/* Legacy platforms that do not support cache

	 * coherent DMA are unsupported

	 */

	dest_ring->base_addr_owner_space_unaligned =

		dma_alloc_coherent(ar->dev,

				   (nentries * sizeof(struct ce_desc_64) +

				    CE_DESC_RING_ALIGN),

				   &base_addr, GFP_KERNEL);

	if (!dest_ring->base_addr_owner_space_unaligned) {

		kfree(dest_ring);

		return ERR_PTR(-ENOMEM);

	}



	dest_ring->base_addr_ce_space_unaligned = base_addr;



	/* Correctly initialize memory to 0 to prevent garbage

	 * data crashing system when download firmware

	 */

	memset(dest_ring->base_addr_owner_space_unaligned, 0,

	       nentries * sizeof(struct ce_desc_64) + CE_DESC_RING_ALIGN);



	dest_ring->base_addr_owner_space =

			PTR_ALIGN(dest_ring->base_addr_owner_space_unaligned,

				  CE_DESC_RING_ALIGN);

	dest_ring->base_addr_ce_space = ALIGN(

			dest_ring->base_addr_ce_space_unaligned,

	dest_ring->base_addr_ce_space =

			ALIGN(dest_ring->base_addr_ce_space_unaligned,

			      CE_DESC_RING_ALIGN);



	return dest_ring;
@@ -1107,65 +1480,36 @@ void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id) 
	ath10k_ce_deinit_dest_ring(ar, ce_id);

}



int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,

			 const struct ce_attr *attr)

static void _ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)

{

	struct ath10k_ce *ce = ath10k_ce_priv(ar);

	struct ath10k_ce_pipe *ce_state = &ce->ce_states[ce_id];

	int ret;



	/*

	 * Make sure there's enough CE ringbuffer entries for HTT TX to avoid

	 * additional TX locking checks.

	 *

	 * For the lack of a better place do the check here.

	 */

	BUILD_BUG_ON(2 * TARGET_NUM_MSDU_DESC >

		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));

	BUILD_BUG_ON(2 * TARGET_10_4_NUM_MSDU_DESC_PFC >

		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));

	BUILD_BUG_ON(2 * TARGET_TLV_NUM_MSDU_DESC >

		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));



	ce_state->ar = ar;

	ce_state->id = ce_id;

	ce_state->ctrl_addr = ath10k_ce_base_address(ar, ce_id);

	ce_state->attr_flags = attr->flags;

	ce_state->src_sz_max = attr->src_sz_max;



	if (attr->src_nentries)

		ce_state->send_cb = attr->send_cb;



	if (attr->dest_nentries)

		ce_state->recv_cb = attr->recv_cb;



	if (attr->src_nentries) {

		ce_state->src_ring = ath10k_ce_alloc_src_ring(ar, ce_id, attr);

		if (IS_ERR(ce_state->src_ring)) {

			ret = PTR_ERR(ce_state->src_ring);

			ath10k_err(ar, "failed to allocate copy engine source ring %d: %d\n",

				   ce_id, ret);

			ce_state->src_ring = NULL;

			return ret;

		}

	if (ce_state->src_ring) {

		dma_free_coherent(ar->dev,

				  (ce_state->src_ring->nentries *

				   sizeof(struct ce_desc) +

				   CE_DESC_RING_ALIGN),

				  ce_state->src_ring->base_addr_owner_space,

				  ce_state->src_ring->base_addr_ce_space);

		kfree(ce_state->src_ring);

	}



	if (attr->dest_nentries) {

		ce_state->dest_ring = ath10k_ce_alloc_dest_ring(ar, ce_id,

								attr);

		if (IS_ERR(ce_state->dest_ring)) {

			ret = PTR_ERR(ce_state->dest_ring);

			ath10k_err(ar, "failed to allocate copy engine destination ring %d: %d\n",

				   ce_id, ret);

			ce_state->dest_ring = NULL;

			return ret;

		}

	if (ce_state->dest_ring) {

		dma_free_coherent(ar->dev,

				  (ce_state->dest_ring->nentries *

				   sizeof(struct ce_desc) +

				   CE_DESC_RING_ALIGN),

				  ce_state->dest_ring->base_addr_owner_space,

				  ce_state->dest_ring->base_addr_ce_space);

		kfree(ce_state->dest_ring);

	}



	return 0;

	ce_state->src_ring = NULL;

	ce_state->dest_ring = NULL;

}



void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)

static void _ath10k_ce_free_pipe_64(struct ath10k *ar, int ce_id)

{

	struct ath10k_ce *ce = ath10k_ce_priv(ar);

	struct ath10k_ce_pipe *ce_state = &ce->ce_states[ce_id];
@@ -1173,7 +1517,7 @@ void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id) 
	if (ce_state->src_ring) {

		dma_free_coherent(ar->dev,

				  (ce_state->src_ring->nentries *

				   sizeof(struct ce_desc) +

				   sizeof(struct ce_desc_64) +

				   CE_DESC_RING_ALIGN),

				  ce_state->src_ring->base_addr_owner_space,

				  ce_state->src_ring->base_addr_ce_space);
@@ -1183,7 +1527,7 @@ void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id) 
	if (ce_state->dest_ring) {

		dma_free_coherent(ar->dev,

				  (ce_state->dest_ring->nentries *

				   sizeof(struct ce_desc) +

				   sizeof(struct ce_desc_64) +

				   CE_DESC_RING_ALIGN),

				  ce_state->dest_ring->base_addr_owner_space,

				  ce_state->dest_ring->base_addr_ce_space);
@@ -1194,6 +1538,14 @@ void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id) 
	ce_state->dest_ring = NULL;

}



void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)

{

	struct ath10k_ce *ce = ath10k_ce_priv(ar);

	struct ath10k_ce_pipe *ce_state = &ce->ce_states[ce_id];



	ce_state->ops->ce_free_pipe(ar, ce_id);

}



void ath10k_ce_dump_registers(struct ath10k *ar,

			      struct ath10k_fw_crash_data *crash_data)

{
@@ -1232,3 +1584,99 @@ void ath10k_ce_dump_registers(struct ath10k *ar, 


	spin_unlock_bh(&ce->ce_lock);

}



static const struct ath10k_ce_ops ce_ops = {

	.ce_alloc_src_ring = ath10k_ce_alloc_src_ring,

	.ce_alloc_dst_ring = ath10k_ce_alloc_dest_ring,

	.ce_rx_post_buf = __ath10k_ce_rx_post_buf,

	.ce_completed_recv_next_nolock = _ath10k_ce_completed_recv_next_nolock,

	.ce_revoke_recv_next = _ath10k_ce_revoke_recv_next,

	.ce_extract_desc_data = ath10k_ce_extract_desc_data,

	.ce_free_pipe = _ath10k_ce_free_pipe,

	.ce_send_nolock = _ath10k_ce_send_nolock,

};



static const struct ath10k_ce_ops ce_64_ops = {

	.ce_alloc_src_ring = ath10k_ce_alloc_src_ring_64,

	.ce_alloc_dst_ring = ath10k_ce_alloc_dest_ring_64,

	.ce_rx_post_buf = __ath10k_ce_rx_post_buf_64,

	.ce_completed_recv_next_nolock =

				_ath10k_ce_completed_recv_next_nolock_64,

	.ce_revoke_recv_next = _ath10k_ce_revoke_recv_next_64,

	.ce_extract_desc_data = ath10k_ce_extract_desc_data_64,

	.ce_free_pipe = _ath10k_ce_free_pipe_64,

	.ce_send_nolock = _ath10k_ce_send_nolock_64,

};



static void ath10k_ce_set_ops(struct ath10k *ar,

			      struct ath10k_ce_pipe *ce_state)

{

	switch (ar->hw_rev) {

	case ATH10K_HW_WCN3990:

		ce_state->ops = &ce_64_ops;

		break;

	default:

		ce_state->ops = &ce_ops;

		break;

	}

}



int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,

			 const struct ce_attr *attr)

{

	struct ath10k_ce *ce = ath10k_ce_priv(ar);

	struct ath10k_ce_pipe *ce_state = &ce->ce_states[ce_id];

	int ret;



	ath10k_ce_set_ops(ar, ce_state);

	/* Make sure there's enough CE ringbuffer entries for HTT TX to avoid

	 * additional TX locking checks.

	 *

	 * For the lack of a better place do the check here.

	 */

	BUILD_BUG_ON(2 * TARGET_NUM_MSDU_DESC >

		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));

	BUILD_BUG_ON(2 * TARGET_10_4_NUM_MSDU_DESC_PFC >

		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));

	BUILD_BUG_ON(2 * TARGET_TLV_NUM_MSDU_DESC >

		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));



	ce_state->ar = ar;

	ce_state->id = ce_id;

	ce_state->ctrl_addr = ath10k_ce_base_address(ar, ce_id);

	ce_state->attr_flags = attr->flags;

	ce_state->src_sz_max = attr->src_sz_max;



	if (attr->src_nentries)

		ce_state->send_cb = attr->send_cb;



	if (attr->dest_nentries)

		ce_state->recv_cb = attr->recv_cb;



	if (attr->src_nentries) {

		ce_state->src_ring =

			ce_state->ops->ce_alloc_src_ring(ar, ce_id, attr);

		if (IS_ERR(ce_state->src_ring)) {

			ret = PTR_ERR(ce_state->src_ring);

			ath10k_err(ar, "failed to alloc CE src ring %d: %d\n",

				   ce_id, ret);

			ce_state->src_ring = NULL;

			return ret;

		}

	}



	if (attr->dest_nentries) {

		ce_state->dest_ring = ce_state->ops->ce_alloc_dst_ring(ar,

									ce_id,

									attr);

		if (IS_ERR(ce_state->dest_ring)) {

			ret = PTR_ERR(ce_state->dest_ring);

			ath10k_err(ar, "failed to alloc CE dest ring %d: %d\n",

				   ce_id, ret);

			ce_state->dest_ring = NULL;

			return ret;

		}

	}



	return 0;

}