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path: root/drivers/net/wireless/ath/ath10k/ce.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/ce.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/ce.c636
1 files changed, 542 insertions, 94 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index a8afd69..b9def7b 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -1,6 +1,6 @@
/*
* 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
@@ -327,12 +327,12 @@ 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,
- void *per_transfer_context,
- u32 buffer,
- unsigned int nbytes,
- unsigned int transfer_id,
- unsigned int flags)
+static 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)
{
struct ath10k *ar = ce_state->ar;
struct ath10k_ce_ring *src_ring = ce_state->src_ring;
@@ -384,6 +384,87 @@ exit:
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;
@@ -525,9 +641,10 @@ 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,
- void **per_transfer_contextp,
- unsigned int *nbytesp)
+static int
+ _ath10k_ce_completed_recv_next_nolock(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;
@@ -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,
- void **per_transfer_contextp,
- u32 *bufferp)
+static int _ath10k_ce_revoke_recv_next(struct ath10k_ce_pipe *ce_state,
+ void **per_transfer_contextp,
+ 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 =
@@ -897,8 +1166,12 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
nentries = roundup_pow_of_two(attr->src_nentries);
- memset(src_ring->base_addr_owner_space, 0,
- nentries * sizeof(struct ce_desc));
+ 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));
src_ring->sw_index = ath10k_ce_src_ring_read_index_get(ar, ctrl_addr);
src_ring->sw_index &= src_ring->nentries_mask;
@@ -934,8 +1207,12 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
nentries = roundup_pow_of_two(attr->dest_nentries);
- memset(dest_ring->base_addr_owner_space, 0,
- nentries * sizeof(struct ce_desc));
+ 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));
dest_ring->sw_index = ath10k_ce_dest_ring_read_index_get(ar, ctrl_addr);
dest_ring->sw_index &= dest_ring->nentries_mask;
@@ -993,12 +1270,57 @@ 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,
- CE_DESC_RING_ALIGN);
- src_ring->base_addr_ce_space = ALIGN(
- src_ring->base_addr_ce_space_unaligned,
- CE_DESC_RING_ALIGN);
+ 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,
+ CE_DESC_RING_ALIGN);
return src_ring;
}
@@ -1039,12 +1361,63 @@ 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,
- CE_DESC_RING_ALIGN);
- dest_ring->base_addr_ce_space = ALIGN(
- dest_ring->base_addr_ce_space_unaligned,
- 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,
+ 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,
+ 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;
+}
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