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f1407d5c KM |
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> | |
cc502bb7 | 22 | #include "common.h" |
f1407d5c KM |
23 | |
24 | /* | |
25 | * struct | |
26 | */ | |
27 | struct usbhs_irq_state { | |
28 | u16 intsts0; | |
29 | u16 intsts1; | |
30 | u16 brdysts; | |
31 | u16 nrdysts; | |
32 | u16 bempsts; | |
f1407d5c KM |
33 | }; |
34 | ||
35 | struct usbhs_mod { | |
36 | char *name; | |
37 | ||
38 | /* | |
39 | * entry point from common.c | |
40 | */ | |
41 | int (*start)(struct usbhs_priv *priv); | |
42 | int (*stop)(struct usbhs_priv *priv); | |
43 | ||
89c1d2e7 KM |
44 | /* |
45 | * INTSTS0 | |
46 | */ | |
47 | ||
48 | /* DVST (DVSQ) */ | |
f1407d5c KM |
49 | int (*irq_dev_state)(struct usbhs_priv *priv, |
50 | struct usbhs_irq_state *irq_state); | |
51 | ||
89c1d2e7 | 52 | /* CTRT (CTSQ) */ |
f1407d5c KM |
53 | int (*irq_ctrl_stage)(struct usbhs_priv *priv, |
54 | struct usbhs_irq_state *irq_state); | |
55 | ||
89c1d2e7 | 56 | /* BEMP / BEMPSTS */ |
f1407d5c KM |
57 | int (*irq_empty)(struct usbhs_priv *priv, |
58 | struct usbhs_irq_state *irq_state); | |
59 | u16 irq_bempsts; | |
60 | ||
89c1d2e7 | 61 | /* BRDY / BRDYSTS */ |
f1407d5c KM |
62 | int (*irq_ready)(struct usbhs_priv *priv, |
63 | struct usbhs_irq_state *irq_state); | |
64 | u16 irq_brdysts; | |
65 | ||
89c1d2e7 KM |
66 | /* |
67 | * INTSTS1 | |
68 | */ | |
69 | ||
70 | /* ATTCHE */ | |
71 | int (*irq_attch)(struct usbhs_priv *priv, | |
72 | struct usbhs_irq_state *irq_state); | |
73 | ||
74 | /* DTCHE */ | |
75 | int (*irq_dtch)(struct usbhs_priv *priv, | |
76 | struct usbhs_irq_state *irq_state); | |
77 | ||
78 | /* SIGN */ | |
79 | int (*irq_sign)(struct usbhs_priv *priv, | |
80 | struct usbhs_irq_state *irq_state); | |
81 | ||
82 | /* SACK */ | |
83 | int (*irq_sack)(struct usbhs_priv *priv, | |
84 | struct usbhs_irq_state *irq_state); | |
85 | ||
f1407d5c KM |
86 | struct usbhs_priv *priv; |
87 | }; | |
88 | ||
89 | struct usbhs_mod_info { | |
90 | struct usbhs_mod *mod[USBHS_MAX]; | |
91 | struct usbhs_mod *curt; /* current mod */ | |
b002ff6e KM |
92 | |
93 | /* | |
94 | * INTSTS0 :: VBINT | |
95 | * | |
96 | * This function will be used as autonomy mode | |
97 | * when platform cannot call notify_hotplug. | |
98 | * | |
99 | * This callback cannot be member of "struct usbhs_mod" | |
100 | * because it will be used even though | |
101 | * host/gadget has not been selected. | |
102 | */ | |
103 | int (*irq_vbus)(struct usbhs_priv *priv, | |
104 | struct usbhs_irq_state *irq_state); | |
f1407d5c KM |
105 | }; |
106 | ||
107 | /* | |
108 | * for host/gadget module | |
109 | */ | |
110 | struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id); | |
111 | struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv); | |
112 | void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id); | |
0deb3e77 | 113 | int usbhs_mod_is_host(struct usbhs_priv *priv); |
f1407d5c KM |
114 | int usbhs_mod_change(struct usbhs_priv *priv, int id); |
115 | int usbhs_mod_probe(struct usbhs_priv *priv); | |
116 | void usbhs_mod_remove(struct usbhs_priv *priv); | |
117 | ||
b002ff6e KM |
118 | void usbhs_mod_autonomy_mode(struct usbhs_priv *priv); |
119 | ||
f1407d5c KM |
120 | /* |
121 | * status functions | |
122 | */ | |
f1407d5c KM |
123 | int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state); |
124 | int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state); | |
125 | ||
126 | /* | |
127 | * callback functions | |
128 | */ | |
129 | void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod); | |
130 | ||
131 | ||
132 | #define usbhs_mod_call(priv, func, param...) \ | |
133 | ({ \ | |
134 | struct usbhs_mod *mod; \ | |
135 | mod = usbhs_mod_get_current(priv); \ | |
136 | !mod ? -ENODEV : \ | |
137 | !mod->func ? 0 : \ | |
138 | mod->func(param); \ | |
139 | }) | |
140 | ||
2f98382d | 141 | /* |
034d7c13 | 142 | * host / gadget control |
2f98382d | 143 | */ |
951fe829 KM |
144 | #if defined(CONFIG_USB_RENESAS_USBHS_HCD) || \ |
145 | defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE) | |
b7a8d17d KM |
146 | extern int usbhs_mod_host_probe(struct usbhs_priv *priv); |
147 | extern int usbhs_mod_host_remove(struct usbhs_priv *priv); | |
034d7c13 KM |
148 | #else |
149 | static inline int usbhs_mod_host_probe(struct usbhs_priv *priv) | |
150 | { | |
151 | return 0; | |
152 | } | |
153 | static inline void usbhs_mod_host_remove(struct usbhs_priv *priv) | |
154 | { | |
155 | } | |
156 | #endif | |
157 | ||
951fe829 KM |
158 | #if defined(CONFIG_USB_RENESAS_USBHS_UDC) || \ |
159 | defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE) | |
b7a8d17d KM |
160 | extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv); |
161 | extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv); | |
2f98382d KM |
162 | #else |
163 | static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv) | |
164 | { | |
165 | return 0; | |
166 | } | |
167 | static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv) | |
168 | { | |
169 | } | |
170 | #endif | |
171 | ||
f1407d5c | 172 | #endif /* RENESAS_USB_MOD_H */ |