mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-23 19:14:30 +08:00
229de618ba
No need to duplicate these defines now that the common Blackfin code has unified these for all UART devices. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/*
|
|
* Blackfin Infra-red Driver
|
|
*
|
|
* Copyright 2006-2009 Analog Devices Inc.
|
|
*
|
|
* Enter bugs at http://blackfin.uclinux.org/
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*
|
|
*/
|
|
|
|
#include <linux/serial.h>
|
|
#include <linux/module.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/slab.h>
|
|
|
|
#include <net/irda/irda.h>
|
|
#include <net/irda/wrapper.h>
|
|
#include <net/irda/irda_device.h>
|
|
|
|
#include <asm/irq.h>
|
|
#include <asm/cacheflush.h>
|
|
#include <asm/dma.h>
|
|
#include <asm/portmux.h>
|
|
#undef DRIVER_NAME
|
|
|
|
#ifdef CONFIG_SIR_BFIN_DMA
|
|
struct dma_rx_buf {
|
|
char *buf;
|
|
int head;
|
|
int tail;
|
|
};
|
|
#endif
|
|
|
|
struct bfin_sir_port {
|
|
unsigned char __iomem *membase;
|
|
unsigned int irq;
|
|
unsigned int lsr;
|
|
unsigned long clk;
|
|
struct net_device *dev;
|
|
#ifdef CONFIG_SIR_BFIN_DMA
|
|
int tx_done;
|
|
struct dma_rx_buf rx_dma_buf;
|
|
struct timer_list rx_dma_timer;
|
|
int rx_dma_nrows;
|
|
#endif
|
|
unsigned int tx_dma_channel;
|
|
unsigned int rx_dma_channel;
|
|
};
|
|
|
|
struct bfin_sir_port_res {
|
|
unsigned long base_addr;
|
|
int irq;
|
|
unsigned int rx_dma_channel;
|
|
unsigned int tx_dma_channel;
|
|
};
|
|
|
|
struct bfin_sir_self {
|
|
struct bfin_sir_port *sir_port;
|
|
spinlock_t lock;
|
|
unsigned int open;
|
|
int speed;
|
|
int newspeed;
|
|
|
|
struct sk_buff *txskb;
|
|
struct sk_buff *rxskb;
|
|
struct net_device_stats stats;
|
|
struct device *dev;
|
|
struct irlap_cb *irlap;
|
|
struct qos_info qos;
|
|
|
|
iobuff_t tx_buff;
|
|
iobuff_t rx_buff;
|
|
|
|
struct work_struct work;
|
|
int mtt;
|
|
};
|
|
|
|
#define DRIVER_NAME "bfin_sir"
|
|
|
|
#define port_membase(port) (((struct bfin_sir_port *)(port))->membase)
|
|
#define get_lsr_cache(port) (((struct bfin_sir_port *)(port))->lsr)
|
|
#define put_lsr_cache(port, v) (((struct bfin_sir_port *)(port))->lsr = (v))
|
|
#include <asm/bfin_serial.h>
|
|
|
|
static const unsigned short per[][4] = {
|
|
/* rx pin tx pin NULL uart_number */
|
|
{P_UART0_RX, P_UART0_TX, 0, 0},
|
|
{P_UART1_RX, P_UART1_TX, 0, 1},
|
|
{P_UART2_RX, P_UART2_TX, 0, 2},
|
|
{P_UART3_RX, P_UART3_TX, 0, 3},
|
|
};
|