diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-04-04 00:44:59 -0400 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-13 19:07:07 -0400 |
commit | f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 (patch) | |
tree | 90d08090ac44e19e1e3fc0fe0073a34884b5f4c5 /drivers/usb/renesas_usbhs/pipe.h | |
parent | a6360dd37e1a144ed11e6548371bade559a1e4df (diff) |
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 <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs/pipe.h')
-rw-r--r-- | drivers/usb/renesas_usbhs/pipe.h | 105 |
1 files changed, 105 insertions, 0 deletions
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 @@ | |||
1 | /* | ||
2 | * Renesas USB driver | ||
3 | * | ||
4 | * Copyright (C) 2011 Renesas Solutions Corp. | ||
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | ||
6 | * | ||
7 | * This program is distributed in the hope that it will be useful, | ||
8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
10 | * GNU General Public License for more details. | ||
11 | * | ||
12 | * You should have received a copy of the GNU General Public License | ||
13 | * along with this program; if not, write to the Free Software | ||
14 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
15 | * | ||
16 | */ | ||
17 | #ifndef RENESAS_USB_PIPE_H | ||
18 | #define RENESAS_USB_PIPE_H | ||
19 | |||
20 | #include "./common.h" | ||
21 | |||
22 | /* | ||
23 | * struct | ||
24 | */ | ||
25 | struct usbhs_pipe { | ||
26 | u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */ | ||
27 | |||
28 | struct usbhs_priv *priv; | ||
29 | |||
30 | u32 flags; | ||
31 | #define USBHS_PIPE_FLAGS_IS_USED (1 << 0) | ||
32 | #define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1) | ||
33 | |||
34 | void *mod_private; | ||
35 | }; | ||
36 | |||
37 | struct usbhs_pipe_info { | ||
38 | struct usbhs_pipe *pipe; | ||
39 | int size; /* array size of "pipe" */ | ||
40 | int bufnmb_last; /* FIXME : driver needs good allocator */ | ||
41 | }; | ||
42 | |||
43 | /* | ||
44 | * pipe list | ||
45 | */ | ||
46 | #define __usbhs_for_each_pipe(start, pos, info, i) \ | ||
47 | for (i = start, pos = (info)->pipe; \ | ||
48 | i < (info)->size; \ | ||
49 | i++, pos = (info)->pipe + i) | ||
50 | |||
51 | #define usbhs_for_each_pipe(pos, priv, i) \ | ||
52 | __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i) | ||
53 | |||
54 | #define usbhs_for_each_pipe_with_dcp(pos, priv, i) \ | ||
55 | __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i) | ||
56 | |||
57 | /* | ||
58 | * pipe module probe / remove | ||
59 | */ | ||
60 | int usbhs_pipe_probe(struct usbhs_priv *priv); | ||
61 | void usbhs_pipe_remove(struct usbhs_priv *priv); | ||
62 | |||
63 | /* | ||
64 | * cfifo | ||
65 | */ | ||
66 | int usbhs_fifo_write(struct usbhs_pipe *pipe, u8 *buf, int len); | ||
67 | int usbhs_fifo_read(struct usbhs_pipe *pipe, u8 *buf, int len); | ||
68 | int usbhs_fifo_prepare_write(struct usbhs_pipe *pipe); | ||
69 | int usbhs_fifo_prepare_read(struct usbhs_pipe *pipe); | ||
70 | |||
71 | void usbhs_fifo_enable(struct usbhs_pipe *pipe); | ||
72 | void usbhs_fifo_disable(struct usbhs_pipe *pipe); | ||
73 | void usbhs_fifo_stall(struct usbhs_pipe *pipe); | ||
74 | |||
75 | void usbhs_fifo_send_terminator(struct usbhs_pipe *pipe); | ||
76 | |||
77 | |||
78 | /* | ||
79 | * usb request | ||
80 | */ | ||
81 | void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req); | ||
82 | void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req); | ||
83 | |||
84 | /* | ||
85 | * pipe control | ||
86 | */ | ||
87 | struct usbhs_pipe | ||
88 | *usbhs_pipe_malloc(struct usbhs_priv *priv, | ||
89 | const struct usb_endpoint_descriptor *desc); | ||
90 | |||
91 | int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); | ||
92 | void usbhs_pipe_init(struct usbhs_priv *priv); | ||
93 | int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); | ||
94 | void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe); | ||
95 | |||
96 | #define usbhs_pipe_number(p) (((u32)(p) - (u32)(p)->priv->pipe_info.pipe) / \ | ||
97 | sizeof(struct usbhs_pipe)) | ||
98 | |||
99 | /* | ||
100 | * dcp control | ||
101 | */ | ||
102 | struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv); | ||
103 | void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe); | ||
104 | |||
105 | #endif /* RENESAS_USB_PIPE_H */ | ||