- 根目录:
- drivers
- usb
- renesas_usbhs
- fifo.h
#ifndef RENESAS_USB_FIFO_H
#define RENESAS_USB_FIFO_H
#include <linux/interrupt.h>
#include <linux/sh_dma.h>
#include <linux/workqueue.h>
#include <asm/dma.h>
#include "pipe.h"
struct usbhs_fifo {
char *name;
u32 port;
u32 sel;
u32 ctr;
struct usbhs_pipe *pipe;
struct dma_chan *tx_chan;
struct dma_chan *rx_chan;
struct sh_dmae_slave tx_slave;
struct sh_dmae_slave rx_slave;
};
struct usbhs_fifo_info {
struct usbhs_fifo cfifo;
struct usbhs_fifo d0fifo;
struct usbhs_fifo d1fifo;
};
struct usbhs_pkt_handle;
struct usbhs_pkt {
struct list_head node;
struct usbhs_pipe *pipe;
struct usbhs_pkt_handle *handler;
void (*done)(struct usbhs_priv *priv,
struct usbhs_pkt *pkt);
struct work_struct work;
dma_addr_t dma;
void *buf;
int length;
int trans;
int actual;
int zero;
int sequence;
};
struct usbhs_pkt_handle {
int (*prepare)(struct usbhs_pkt *pkt, int *is_done);
int (*try_run)(struct usbhs_pkt *pkt, int *is_done);
int (*dma_done)(struct usbhs_pkt *pkt, int *is_done);
};
int usbhs_fifo_probe(struct usbhs_priv *priv);
void usbhs_fifo_remove(struct usbhs_priv *priv);
void usbhs_fifo_init(struct usbhs_priv *priv);
void usbhs_fifo_quit(struct usbhs_priv *priv);
extern struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
extern struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
extern struct usbhs_pkt_handle usbhs_fifo_dma_push_handler;
extern struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler;
extern struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler;
extern struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler;
extern struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler;
extern struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler;
void usbhs_pkt_init(struct usbhs_pkt *pkt);
void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
void (*done)(struct usbhs_priv *priv,
struct usbhs_pkt *pkt),
void *buf, int len, int zero, int sequence);
struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
void usbhs_pkt_start(struct usbhs_pipe *pipe);
#endif
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