/* * 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" #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) 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 */ void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt); int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map); }; /* * 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) /* * data */ #define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info) /* * pipe control */ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in); 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); void usbhs_pipe_init(struct usbhs_priv *priv, void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt), int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map)); int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); void usbhs_pipe_clear_sequence(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); 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); #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 */