From f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 4 Apr 2011 13:44:59 +0900 Subject: usb: renesas_usbhs: Add Renesas USBHS common code Renesas SuperH has USBHS IP which can switch Host / Function. This driver is designed so that Host / Function may dynamically change. This patch add usb/renesas_usbhs and common code for SuperH USBHS. Signed-off-by: Kuninori Morimoto Signed-off-by: Greg Kroah-Hartman --- drivers/usb/renesas_usbhs/pipe.h | 105 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 drivers/usb/renesas_usbhs/pipe.h (limited to 'drivers/usb/renesas_usbhs/pipe.h') diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h new file mode 100644 index 000000000000..4a60dcef9676 --- /dev/null +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -0,0 +1,105 @@ +/* + * Renesas USB driver + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Kuninori Morimoto + * + * 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" + +/* + * struct + */ +struct usbhs_pipe { + u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */ + + struct usbhs_priv *priv; + + u32 flags; +#define USBHS_PIPE_FLAGS_IS_USED (1 << 0) +#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1) + + 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 */ +}; + +/* + * pipe list + */ +#define __usbhs_for_each_pipe(start, pos, info, i) \ + for (i = start, pos = (info)->pipe; \ + i < (info)->size; \ + i++, pos = (info)->pipe + 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) + +/* + * pipe module probe / remove + */ +int usbhs_pipe_probe(struct usbhs_priv *priv); +void usbhs_pipe_remove(struct usbhs_priv *priv); + +/* + * cfifo + */ +int usbhs_fifo_write(struct usbhs_pipe *pipe, u8 *buf, int len); +int usbhs_fifo_read(struct usbhs_pipe *pipe, u8 *buf, int len); +int usbhs_fifo_prepare_write(struct usbhs_pipe *pipe); +int usbhs_fifo_prepare_read(struct usbhs_pipe *pipe); + +void usbhs_fifo_enable(struct usbhs_pipe *pipe); +void usbhs_fifo_disable(struct usbhs_pipe *pipe); +void usbhs_fifo_stall(struct usbhs_pipe *pipe); + +void usbhs_fifo_send_terminator(struct usbhs_pipe *pipe); + + +/* + * usb request + */ +void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req); +void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req); + +/* + * pipe control + */ +struct usbhs_pipe +*usbhs_pipe_malloc(struct usbhs_priv *priv, + const struct usb_endpoint_descriptor *desc); + +int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); +void usbhs_pipe_init(struct usbhs_priv *priv); +int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); +void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe); + +#define usbhs_pipe_number(p) (((u32)(p) - (u32)(p)->priv->pipe_info.pipe) / \ + sizeof(struct usbhs_pipe)) + +/* + * dcp control + */ +struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv); +void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe); + +#endif /* RENESAS_USB_PIPE_H */ -- cgit v1.2.3-59-g8ed1b