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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /drivers/usb/renesas_usbhs/mod.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'drivers/usb/renesas_usbhs/mod.h')
-rw-r--r--drivers/usb/renesas_usbhs/mod.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
new file mode 100644
index 000000000000..5c845a28a21c
--- /dev/null
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -0,0 +1,137 @@
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_MOD_H
18#define RENESAS_USB_MOD_H
19
20#include <linux/spinlock.h>
21#include <linux/usb/renesas_usbhs.h>
22#include "./common.h"
23
24/*
25 * struct
26 */
27struct usbhs_irq_state {
28 u16 intsts0;
29 u16 intsts1;
30 u16 brdysts;
31 u16 nrdysts;
32 u16 bempsts;
33 u16 dvstctr;
34};
35
36struct usbhs_mod {
37 char *name;
38
39 /*
40 * entry point from common.c
41 */
42 int (*start)(struct usbhs_priv *priv);
43 int (*stop)(struct usbhs_priv *priv);
44
45 /* INTSTS0 :: DVST (DVSQ) */
46 int (*irq_dev_state)(struct usbhs_priv *priv,
47 struct usbhs_irq_state *irq_state);
48
49 /* INTSTS0 :: CTRT (CTSQ) */
50 int (*irq_ctrl_stage)(struct usbhs_priv *priv,
51 struct usbhs_irq_state *irq_state);
52
53 /* INTSTS0 :: BEMP */
54 /* BEMPSTS */
55 int (*irq_empty)(struct usbhs_priv *priv,
56 struct usbhs_irq_state *irq_state);
57 u16 irq_bempsts;
58
59 /* INTSTS0 :: BRDY */
60 /* BRDYSTS */
61 int (*irq_ready)(struct usbhs_priv *priv,
62 struct usbhs_irq_state *irq_state);
63 u16 irq_brdysts;
64
65 struct usbhs_priv *priv;
66};
67
68struct usbhs_mod_info {
69 struct usbhs_mod *mod[USBHS_MAX];
70 struct usbhs_mod *curt; /* current mod */
71
72 /*
73 * INTSTS0 :: VBINT
74 *
75 * This function will be used as autonomy mode
76 * when platform cannot call notify_hotplug.
77 *
78 * This callback cannot be member of "struct usbhs_mod"
79 * because it will be used even though
80 * host/gadget has not been selected.
81 */
82 int (*irq_vbus)(struct usbhs_priv *priv,
83 struct usbhs_irq_state *irq_state);
84};
85
86/*
87 * for host/gadget module
88 */
89struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id);
90struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv);
91void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id);
92int usbhs_mod_is_host(struct usbhs_priv *priv, struct usbhs_mod *mod);
93int usbhs_mod_change(struct usbhs_priv *priv, int id);
94int usbhs_mod_probe(struct usbhs_priv *priv);
95void usbhs_mod_remove(struct usbhs_priv *priv);
96
97void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);
98
99/*
100 * status functions
101 */
102int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state);
103int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
104int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);
105
106/*
107 * callback functions
108 */
109void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
110
111
112#define usbhs_mod_call(priv, func, param...) \
113 ({ \
114 struct usbhs_mod *mod; \
115 mod = usbhs_mod_get_current(priv); \
116 !mod ? -ENODEV : \
117 !mod->func ? 0 : \
118 mod->func(param); \
119 })
120
121/*
122 * gadget control
123 */
124#ifdef CONFIG_USB_RENESAS_USBHS_UDC
125extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
126extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
127#else
128static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
129{
130 return 0;
131}
132static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
133{
134}
135#endif
136
137#endif /* RENESAS_USB_MOD_H */