1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
new file mode 100644
index 000000000000..ed6d8e56c13c
--- /dev/null
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -0,0 +1,104 @@
+/*
+ * Renesas USB driver
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+#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;
+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;
+};
+
+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);
+};
+
+/*
+ * 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);
+
+/*
+ * packet info
+ */
+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,
+		    void *buf, int len, int zero);
+struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
+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 */