#include <linux/of_platform.h>
#include <linux/sirfsoc_dma.h>
+#include "dmaengine.h"
+
#define SIRFSOC_DMA_DESCRIPTORS 16
#define SIRFSOC_DMA_CHANNELS 16
struct list_head queued;
struct list_head active;
struct list_head completed;
- dma_cookie_t completed_cookie;
unsigned long happened_cyclic;
unsigned long completed_cyclic;
/* Free descriptors */
spin_lock_irqsave(&schan->lock, flags);
list_splice_tail_init(&list, &schan->free);
- schan->completed_cookie = last_cookie;
+ schan->chan.completed_cookie = last_cookie;
spin_unlock_irqrestore(&schan->lock, flags);
} else {
/* for cyclic channel, desc is always in active list */
/* Move descriptor to queue */
list_move_tail(&sdesc->node, &schan->queued);
- /* Update cookie */
- cookie = schan->chan.cookie + 1;
- if (cookie <= 0)
- cookie = 1;
-
- schan->chan.cookie = cookie;
- sdesc->desc.cookie = cookie;
+ cookie = dma_cookie_assign(txd);
spin_unlock_irqrestore(&schan->lock, flags);
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
unsigned long flags;
- dma_cookie_t last_used;
- dma_cookie_t last_complete;
+ enum dma_status ret;
spin_lock_irqsave(&schan->lock, flags);
- last_used = schan->chan.cookie;
- last_complete = schan->completed_cookie;
+ ret = dma_cookie_status(chan, cookie, txstate);
spin_unlock_irqrestore(&schan->lock, flags);
- dma_set_tx_state(txstate, last_complete, last_used, 0);
- return dma_async_is_complete(cookie, last_complete, last_used);
+ return ret;
}
static struct dma_async_tx_descriptor *sirfsoc_dma_prep_interleaved(
static struct dma_async_tx_descriptor *
sirfsoc_dma_prep_cyclic(struct dma_chan *chan, dma_addr_t addr,
size_t buf_len, size_t period_len,
- enum dma_transfer_direction direction)
+ enum dma_transfer_direction direction, void *context)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
struct sirfsoc_dma_desc *sdesc = NULL;
schan = &sdma->channels[i];
schan->chan.device = dma;
- schan->chan.cookie = 1;
- schan->completed_cookie = schan->chan.cookie;
+ dma_cookie_init(&schan->chan);
INIT_LIST_HEAD(&schan->free);
INIT_LIST_HEAD(&schan->prepared);