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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-06-06 09:18:44 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-07 20:10:09 +0400 |
| commit | d3af90a5e4e8fb7a93d408799682e566c9270808 (patch) | |
| tree | 9eb60a7464d0f1eb380d65ff89239b0a5a044f77 /drivers/usb/renesas_usbhs/fifo.h | |
| parent | 97664a207bc2601a03a300f00e6922038cd5b99c (diff) | |
| download | linux-d3af90a5e4e8fb7a93d408799682e566c9270808.tar.xz | |
usb: renesas_usbhs: add usbhsf_fifo
renesas_usbhs has CFIFO/D0FIFO/D1FIFO.
But current renesas_usbhs is using CFIFO (for PIO) only for now.
The fifo selection method is needed for DMAEngine support.
This is a preparation for DMAEngine support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs/fifo.h')
| -rw-r--r-- | drivers/usb/renesas_usbhs/fifo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index fcb1ecef57da..04d000ae7bdc 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -19,6 +19,16 @@ #include "pipe.h" +struct usbhs_fifo { + u32 port; /* xFIFO */ + u32 sel; /* xFIFOSEL */ + u32 ctr; /* xFIFOCTR */ +}; + +struct usbhs_fifo_info { + struct usbhs_fifo cfifo; +}; + struct usbhs_pkt_handle; struct usbhs_pkt { struct list_head node; @@ -38,6 +48,8 @@ struct usbhs_pkt_handle { /* * fifo */ +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); |