Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / renesas_usbhs / pipe.h

diff --git a/kernel/drivers/usb/renesas_usbhs/pipe.h b/kernel/drivers/usb/renesas_usbhs/pipe.h
new file mode 100644 (file)
index 0000000..b0bc7b6
--- /dev/null
+++ b/kernel/drivers/usb/renesas_usbhs/pipe.h
@@ -0,0 +1,122 @@
+/*
+ * 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_PIPE_H
+#define RENESAS_USB_PIPE_H
+
+#include "common.h"
+#include "fifo.h"
+
+/*
+ *     struct
+ */
+struct usbhs_pipe {
+       u32 pipe_type;  /* USB_ENDPOINT_XFER_xxx */
+
+       struct usbhs_priv *priv;
+       struct usbhs_fifo *fifo;
+       struct list_head list;
+
+       int maxp;
+
+       u32 flags;
+#define USBHS_PIPE_FLAGS_IS_USED               (1 << 0)
+#define USBHS_PIPE_FLAGS_IS_DIR_IN             (1 << 1)
+#define USBHS_PIPE_FLAGS_IS_DIR_HOST           (1 << 2)
+#define USBHS_PIPE_FLAGS_IS_RUNNING            (1 << 3)
+
+       struct usbhs_pkt_handle *handler;
+
+       void *mod_private;
+};
+
+struct usbhs_pipe_info {
+       struct usbhs_pipe *pipe;
+       int size;       /* array size of "pipe" */
+       int bufnmb_last;        /* FIXME : driver needs good allocator */
+
+       int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map);
+};
+
+/*
+ * pipe list
+ */
+#define __usbhs_for_each_pipe(start, pos, info, i)     \
+       for ((i) = start;                                               \
+            ((i) < (info)->size) && ((pos) = (info)->pipe + (i));      \
+            (i)++)
+
+#define usbhs_for_each_pipe(pos, priv, i)                      \
+       __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i)
+
+#define usbhs_for_each_pipe_with_dcp(pos, priv, i)             \
+       __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i)
+
+/*
+ * data
+ */
+#define usbhs_priv_to_pipeinfo(pr)     (&(pr)->pipe_info)
+
+/*
+ * pipe control
+ */
+char *usbhs_pipe_name(struct usbhs_pipe *pipe);
+struct usbhs_pipe
+*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
+void usbhs_pipe_free(struct usbhs_pipe *pipe);
+int usbhs_pipe_probe(struct usbhs_priv *priv);
+void usbhs_pipe_remove(struct usbhs_priv *priv);
+int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
+int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
+int usbhs_pipe_is_running(struct usbhs_pipe *pipe);
+void usbhs_pipe_running(struct usbhs_pipe *pipe, int running);
+
+void usbhs_pipe_init(struct usbhs_priv *priv,
+                    int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map));
+int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
+void usbhs_pipe_clear(struct usbhs_pipe *pipe);
+int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
+void usbhs_pipe_enable(struct usbhs_pipe *pipe);
+void usbhs_pipe_disable(struct usbhs_pipe *pipe);
+void usbhs_pipe_stall(struct usbhs_pipe *pipe);
+int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
+void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len);
+void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
+void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
+                             u16 epnum, u16 maxp);
+void usbhs_pipe_config_change_bfre(struct usbhs_pipe *pipe, int enable);
+
+#define usbhs_pipe_sequence_data0(pipe)        usbhs_pipe_data_sequence(pipe, 0)
+#define usbhs_pipe_sequence_data1(pipe)        usbhs_pipe_data_sequence(pipe, 1)
+void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data);
+
+#define usbhs_pipe_to_priv(p)  ((p)->priv)
+#define usbhs_pipe_number(p)   (int)((p) - (p)->priv->pipe_info.pipe)
+#define usbhs_pipe_is_dcp(p)   ((p)->priv->pipe_info.pipe == (p))
+#define usbhs_pipe_to_fifo(p)  ((p)->fifo)
+#define usbhs_pipe_is_busy(p)  usbhs_pipe_to_fifo(p)
+
+#define usbhs_pipe_type(p)             ((p)->pipe_type)
+#define usbhs_pipe_type_is(p, t)       ((p)->pipe_type == t)
+
+/*
+ * dcp control
+ */
+struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
+void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
+void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out);
+
+#endif /* RENESAS_USB_PIPE_H */