usb: renesas_usbhs: add DMAEngine support

[pandora-kernel.git] / drivers / usb / renesas_usbhs / fifo.h

diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
index 94db269..ed6d8e5 100644 (file)
--- a/drivers/usb/renesas_usbhs/fifo.h
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -17,18 +17,33 @@
 #ifndef RENESAS_USB_FIFO_H
 #define RENESAS_USB_FIFO_H
 
+#include <linux/interrupt.h>
+#include <linux/sh_dma.h>
+#include <asm/dma.h>
 #include "pipe.h"
 
+#define        DMA_ADDR_INVALID        (~(dma_addr_t)0)
+
 struct usbhs_fifo {
+       char *name;
        u32 port;       /* xFIFO */
        u32 sel;        /* xFIFOSEL */
        u32 ctr;        /* xFIFOCTR */
 
        struct usbhs_pipe       *pipe;
+       struct tasklet_struct   tasklet;
+
+       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;
@@ -36,8 +51,10 @@ struct usbhs_pkt {
        struct list_head node;
        struct usbhs_pipe *pipe;
        struct usbhs_pkt_handle *handler;
+       dma_addr_t dma;
        void *buf;
        int length;
+       int trans;
        int actual;
        int zero;
 };
@@ -45,6 +62,7 @@ struct usbhs_pkt {
 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);
 };
 
 /*
@@ -61,12 +79,17 @@ void usbhs_fifo_quit(struct usbhs_priv *priv);
 enum {
        USBHSF_PKT_PREPARE,
        USBHSF_PKT_TRY_RUN,
+       USBHSF_PKT_DMA_DONE,
 };
 
 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;
+
+
 void usbhs_pkt_init(struct usbhs_pkt *pkt);
 void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
                    struct usbhs_pkt_handle *handler,
@@ -76,5 +99,6 @@ int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type);
 
 #define usbhs_pkt_start(p)     __usbhs_pkt_handler(p, USBHSF_PKT_PREPARE)
 #define usbhs_pkt_run(p)       __usbhs_pkt_handler(p, USBHSF_PKT_TRY_RUN)
+#define usbhs_pkt_dmadone(p)   __usbhs_pkt_handler(p, USBHSF_PKT_DMA_DONE)
 
 #endif /* RENESAS_USB_FIFO_H */