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18#undef DEBUG
19#undef VERBOSE
20
21#ifdef DEBUG
22#define DBG(fmt, args...) printk(KERN_DEBUG "[%s] " fmt , \
23 __func__, ## args)
24#else
25#define DBG(fmt, args...) do {} while (0)
26#endif
27
28#ifdef VERBOSE
29#define VDBG DBG
30#else
31#define VDBG(stuff...) do {} while (0)
32#endif
33
34#ifdef VERBOSE
35#define MPC_LOC printk("Current Location [%s]:[%d]\n", __FILE__, __LINE__)
36#else
37#define MPC_LOC do {} while (0)
38#endif
39
40#define PROTO_UNDEF (0)
41#define PROTO_HOST (1)
42#define PROTO_GADGET (2)
43
44
45struct otg_fsm {
46
47 int a_bus_resume;
48 int a_bus_suspend;
49 int a_conn;
50 int a_sess_vld;
51 int a_srp_det;
52 int a_vbus_vld;
53 int b_bus_resume;
54 int b_bus_suspend;
55 int b_conn;
56 int b_se0_srp;
57 int b_sess_end;
58 int b_sess_vld;
59 int id;
60
61
62 int a_set_b_hnp_en;
63 int b_srp_done;
64 int b_hnp_enable;
65
66
67 int a_wait_vrise_tmout;
68 int a_wait_bcon_tmout;
69 int a_aidl_bdis_tmout;
70 int b_ase0_brst_tmout;
71
72
73 int a_bus_drop;
74 int a_bus_req;
75 int a_clr_err;
76 int a_suspend_req;
77 int b_bus_req;
78
79
80 int drv_vbus;
81 int loc_conn;
82 int loc_sof;
83
84 struct otg_fsm_ops *ops;
85 struct usb_otg *otg;
86
87
88 int protocol;
89 spinlock_t lock;
90};
91
92struct otg_fsm_ops {
93 void (*chrg_vbus)(int on);
94 void (*drv_vbus)(int on);
95 void (*loc_conn)(int on);
96 void (*loc_sof)(int on);
97 void (*start_pulse)(void);
98 void (*add_timer)(void *timer);
99 void (*del_timer)(void *timer);
100 int (*start_host)(struct otg_fsm *fsm, int on);
101 int (*start_gadget)(struct otg_fsm *fsm, int on);
102};
103
104
105static inline void otg_chrg_vbus(struct otg_fsm *fsm, int on)
106{
107 fsm->ops->chrg_vbus(on);
108}
109
110static inline void otg_drv_vbus(struct otg_fsm *fsm, int on)
111{
112 if (fsm->drv_vbus != on) {
113 fsm->drv_vbus = on;
114 fsm->ops->drv_vbus(on);
115 }
116}
117
118static inline void otg_loc_conn(struct otg_fsm *fsm, int on)
119{
120 if (fsm->loc_conn != on) {
121 fsm->loc_conn = on;
122 fsm->ops->loc_conn(on);
123 }
124}
125
126static inline void otg_loc_sof(struct otg_fsm *fsm, int on)
127{
128 if (fsm->loc_sof != on) {
129 fsm->loc_sof = on;
130 fsm->ops->loc_sof(on);
131 }
132}
133
134static inline void otg_start_pulse(struct otg_fsm *fsm)
135{
136 fsm->ops->start_pulse();
137}
138
139static inline void otg_add_timer(struct otg_fsm *fsm, void *timer)
140{
141 fsm->ops->add_timer(timer);
142}
143
144static inline void otg_del_timer(struct otg_fsm *fsm, void *timer)
145{
146 fsm->ops->del_timer(timer);
147}
148
149int otg_statemachine(struct otg_fsm *fsm);
150
151
152extern struct fsl_otg_timer *a_wait_vrise_tmr, *a_wait_bcon_tmr,
153 *a_aidl_bdis_tmr, *b_ase0_brst_tmr, *b_se0_srp_tmr, *b_srp_fail_tmr,
154 *a_wait_enum_tmr;
155