summaryrefslogtreecommitdiffstats
path: root/drivers/net/irda/pxaficp_ir.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/irda/pxaficp_ir.c')
-rw-r--r--drivers/net/irda/pxaficp_ir.c102
1 files changed, 67 insertions, 35 deletions
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index c5b02b66f75..31794c2363e 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -22,9 +22,53 @@
#include <net/irda/wrapper.h>
#include <net/irda/irda_device.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/irda.h>
+#include <mach/hardware.h>
#include <mach/pxa-regs.h>
+#include <mach/regs-uart.h>
+
+#define FICP __REG(0x40800000) /* Start of FICP area */
+#define ICCR0 __REG(0x40800000) /* ICP Control Register 0 */
+#define ICCR1 __REG(0x40800004) /* ICP Control Register 1 */
+#define ICCR2 __REG(0x40800008) /* ICP Control Register 2 */
+#define ICDR __REG(0x4080000c) /* ICP Data Register */
+#define ICSR0 __REG(0x40800014) /* ICP Status Register 0 */
+#define ICSR1 __REG(0x40800018) /* ICP Status Register 1 */
+
+#define ICCR0_AME (1 << 7) /* Address match enable */
+#define ICCR0_TIE (1 << 6) /* Transmit FIFO interrupt enable */
+#define ICCR0_RIE (1 << 5) /* Recieve FIFO interrupt enable */
+#define ICCR0_RXE (1 << 4) /* Receive enable */
+#define ICCR0_TXE (1 << 3) /* Transmit enable */
+#define ICCR0_TUS (1 << 2) /* Transmit FIFO underrun select */
+#define ICCR0_LBM (1 << 1) /* Loopback mode */
+#define ICCR0_ITR (1 << 0) /* IrDA transmission */
+
+#define ICCR2_RXP (1 << 3) /* Receive Pin Polarity select */
+#define ICCR2_TXP (1 << 2) /* Transmit Pin Polarity select */
+#define ICCR2_TRIG (3 << 0) /* Receive FIFO Trigger threshold */
+#define ICCR2_TRIG_8 (0 << 0) /* >= 8 bytes */
+#define ICCR2_TRIG_16 (1 << 0) /* >= 16 bytes */
+#define ICCR2_TRIG_32 (2 << 0) /* >= 32 bytes */
+
+#ifdef CONFIG_PXA27x
+#define ICSR0_EOC (1 << 6) /* DMA End of Descriptor Chain */
+#endif
+#define ICSR0_FRE (1 << 5) /* Framing error */
+#define ICSR0_RFS (1 << 4) /* Receive FIFO service request */
+#define ICSR0_TFS (1 << 3) /* Transnit FIFO service request */
+#define ICSR0_RAB (1 << 2) /* Receiver abort */
+#define ICSR0_TUR (1 << 1) /* Trunsmit FIFO underun */
+#define ICSR0_EIF (1 << 0) /* End/Error in FIFO */
+
+#define ICSR1_ROR (1 << 6) /* Receiver FIFO underrun */
+#define ICSR1_CRE (1 << 5) /* CRC error */
+#define ICSR1_EOF (1 << 4) /* End of frame */
+#define ICSR1_TNF (1 << 3) /* Transmit FIFO not full */
+#define ICSR1_RNE (1 << 2) /* Receive FIFO not empty */
+#define ICSR1_TBY (1 << 1) /* Tramsmiter busy flag */
+#define ICSR1_RSY (1 << 0) /* Recevier synchronized flag */
#define IrSR_RXPL_NEG_IS_ZERO (1<<4)
#define IrSR_RXPL_POS_IS_ZERO 0x0
@@ -64,7 +108,6 @@ struct pxa_irda {
int txdma;
int rxdma;
- struct net_device_stats stats;
struct irlap_cb *irlap;
struct qos_info qos;
@@ -214,18 +257,18 @@ static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id)
data = STRBR;
if (lsr & (LSR_OE | LSR_PE | LSR_FE | LSR_BI)) {
printk(KERN_DEBUG "pxa_ir: sir receiving error\n");
- si->stats.rx_errors++;
+ dev->stats.rx_errors++;
if (lsr & LSR_FE)
- si->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
if (lsr & LSR_OE)
- si->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
} else {
- si->stats.rx_bytes++;
- async_unwrap_char(dev, &si->stats, &si->rx_buff, data);
+ dev->stats.rx_bytes++;
+ async_unwrap_char(dev, &dev->stats,
+ &si->rx_buff, data);
}
lsr = STLSR;
}
- dev->last_rx = jiffies;
si->last_oscr = OSCR;
break;
@@ -234,10 +277,9 @@ static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id)
case 0x0C: /* Character Timeout Indication */
do {
- si->stats.rx_bytes++;
- async_unwrap_char(dev, &si->stats, &si->rx_buff, STRBR);
+ dev->stats.rx_bytes++;
+ async_unwrap_char(dev, &dev->stats, &si->rx_buff, STRBR);
} while (STLSR & LSR_DR);
- dev->last_rx = jiffies;
si->last_oscr = OSCR;
break;
@@ -248,9 +290,8 @@ static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id)
}
if (si->tx_buff.len == 0) {
- si->stats.tx_packets++;
- si->stats.tx_bytes += si->tx_buff.data -
- si->tx_buff.head;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += si->tx_buff.data - si->tx_buff.head;
/* We need to ensure that the transmitter has finished. */
while ((STLSR & LSR_TEMT) == 0)
@@ -301,10 +342,10 @@ static void pxa_irda_fir_dma_tx_irq(int channel, void *data)
DCSR(channel) = dcsr & ~DCSR_RUN;
if (dcsr & DCSR_ENDINTR) {
- si->stats.tx_packets++;
- si->stats.tx_bytes += si->dma_tx_buff_len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += si->dma_tx_buff_len;
} else {
- si->stats.tx_errors++;
+ dev->stats.tx_errors++;
}
while (ICSR1 & ICSR1_TBY)
@@ -350,14 +391,14 @@ static void pxa_irda_fir_irq_eif(struct pxa_irda *si, struct net_device *dev, in
data = ICDR;
if (stat & (ICSR1_CRE | ICSR1_ROR)) {
- si->stats.rx_errors++;
+ dev->stats.rx_errors++;
if (stat & ICSR1_CRE) {
printk(KERN_DEBUG "pxa_ir: fir receive CRC error\n");
- si->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
}
if (stat & ICSR1_ROR) {
printk(KERN_DEBUG "pxa_ir: fir receive overrun\n");
- si->stats.rx_over_errors++;
+ dev->stats.rx_over_errors++;
}
} else {
si->dma_rx_buff[len++] = data;
@@ -373,14 +414,14 @@ static void pxa_irda_fir_irq_eif(struct pxa_irda *si, struct net_device *dev, in
if (icsr0 & ICSR0_FRE) {
printk(KERN_ERR "pxa_ir: dropping erroneous frame\n");
- si->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
return;
}
skb = alloc_skb(len+1,GFP_ATOMIC);
if (!skb) {
printk(KERN_ERR "pxa_ir: fir out of memory for receive skb\n");
- si->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
return;
}
@@ -395,10 +436,8 @@ static void pxa_irda_fir_irq_eif(struct pxa_irda *si, struct net_device *dev, in
skb->protocol = htons(ETH_P_IRDA);
netif_rx(skb);
- si->stats.rx_packets++;
- si->stats.rx_bytes += len;
-
- dev->last_rx = jiffies;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += len;
}
}
@@ -417,10 +456,10 @@ static irqreturn_t pxa_irda_fir_irq(int irq, void *dev_id)
if (icsr0 & (ICSR0_FRE | ICSR0_RAB)) {
if (icsr0 & ICSR0_FRE) {
printk(KERN_DEBUG "pxa_ir: fir receive frame error\n");
- si->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
} else {
printk(KERN_DEBUG "pxa_ir: fir receive abort\n");
- si->stats.rx_errors++;
+ dev->stats.rx_errors++;
}
ICSR0 = icsr0 & (ICSR0_FRE | ICSR0_RAB);
}
@@ -549,12 +588,6 @@ static int pxa_irda_ioctl(struct net_device *dev, struct ifreq *ifreq, int cmd)
return ret;
}
-static struct net_device_stats *pxa_irda_stats(struct net_device *dev)
-{
- struct pxa_irda *si = netdev_priv(dev);
- return &si->stats;
-}
-
static void pxa_irda_startup(struct pxa_irda *si)
{
/* Disable STUART interrupts */
@@ -817,7 +850,6 @@ static int pxa_irda_probe(struct platform_device *pdev)
dev->open = pxa_irda_start;
dev->stop = pxa_irda_stop;
dev->do_ioctl = pxa_irda_ioctl;
- dev->get_stats = pxa_irda_stats;
irda_init_max_qos_capabilies(&si->qos);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 13:44:22 +0000