goto clean_runtime_disable_ret;
}
- cpsw->txch[0] = cpdma_chan_create(cpsw->dma, tx_chan_num(0),
- cpsw_tx_handler);
- cpsw->rxch[0] = cpdma_chan_create(cpsw->dma, rx_chan_num(0),
- cpsw_rx_handler);
-
+ cpsw->txch[0] = cpdma_chan_create(cpsw->dma, 0, cpsw_tx_handler, 0);
+ cpsw->rxch[0] = cpdma_chan_create(cpsw->dma, 0, cpsw_rx_handler, 1);
if (WARN_ON(!cpsw->rxch[0] || !cpsw->txch[0])) {
dev_err(priv->dev, "error initializing dma channels\n");
ret = -ENOMEM;
int int_set, int_clear, td;
};
+#define tx_chan_num(chan) (chan)
+#define rx_chan_num(chan) ((chan) + CPDMA_MAX_CHANNELS)
+#define is_rx_chan(chan) ((chan)->chan_num >= CPDMA_MAX_CHANNELS)
+#define is_tx_chan(chan) (!is_rx_chan(chan))
+#define __chan_linear(chan_num) ((chan_num) & (CPDMA_MAX_CHANNELS - 1))
+#define chan_linear(chan) __chan_linear((chan)->chan_num)
+
/* The following make access to common cpdma_ctlr params more readable */
#define dmaregs params.dmaregs
#define num_chan params.num_chan
}
struct cpdma_chan *cpdma_chan_create(struct cpdma_ctlr *ctlr, int chan_num,
- cpdma_handler_fn handler)
+ cpdma_handler_fn handler, int rx_type)
{
+ int offset = chan_num * 4;
struct cpdma_chan *chan;
- int offset = (chan_num % CPDMA_MAX_CHANNELS) * 4;
unsigned long flags;
+ chan_num = rx_type ? rx_chan_num(chan_num) : tx_chan_num(chan_num);
+
if (__chan_linear(chan_num) >= ctlr->num_chan)
return NULL;
#define CPDMA_MAX_CHANNELS BITS_PER_LONG
-#define tx_chan_num(chan) (chan)
-#define rx_chan_num(chan) ((chan) + CPDMA_MAX_CHANNELS)
-#define is_rx_chan(chan) ((chan)->chan_num >= CPDMA_MAX_CHANNELS)
-#define is_tx_chan(chan) (!is_rx_chan(chan))
-#define __chan_linear(chan_num) ((chan_num) & (CPDMA_MAX_CHANNELS - 1))
-#define chan_linear(chan) __chan_linear((chan)->chan_num)
-
#define CPDMA_RX_SOURCE_PORT(__status__) ((__status__ >> 16) & 0x7)
#define CPDMA_EOI_RX_THRESH 0x0
int cpdma_ctlr_stop(struct cpdma_ctlr *ctlr);
struct cpdma_chan *cpdma_chan_create(struct cpdma_ctlr *ctlr, int chan_num,
- cpdma_handler_fn handler);
+ cpdma_handler_fn handler, int rx_type);
int cpdma_chan_get_rx_buf_num(struct cpdma_chan *chan);
int cpdma_chan_destroy(struct cpdma_chan *chan);
int cpdma_chan_start(struct cpdma_chan *chan);
goto no_pdata;
}
- priv->txchan = cpdma_chan_create(priv->dma, tx_chan_num(EMAC_DEF_TX_CH),
- emac_tx_handler);
- priv->rxchan = cpdma_chan_create(priv->dma, rx_chan_num(EMAC_DEF_RX_CH),
- emac_rx_handler);
+ priv->txchan = cpdma_chan_create(priv->dma, EMAC_DEF_TX_CH,
+ emac_tx_handler, 0);
+ priv->rxchan = cpdma_chan_create(priv->dma, EMAC_DEF_RX_CH,
+ emac_rx_handler, 1);
if (WARN_ON(!priv->txchan || !priv->rxchan)) {
rc = -ENOMEM;
goto no_cpdma_chan;