a_bidl_adis_tmr and a_wait_vfall_tmr OTG timers missed in
current FSM implementation. This patch adds and makes use
of the timers as speicfied in OTG and EH supplement to USB2.0.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
fsm->a_suspend_req = 0;
break;
case OTG_STATE_A_PERIPHERAL:
fsm->a_suspend_req = 0;
break;
case OTG_STATE_A_PERIPHERAL:
+ otg_del_timer(fsm, A_BIDL_ADIS);
+ fsm->a_bidl_adis_tmout = 0;
break;
case OTG_STATE_A_WAIT_VFALL:
break;
case OTG_STATE_A_WAIT_VFALL:
+ otg_del_timer(fsm, A_WAIT_VFALL);
+ fsm->a_wait_vfall_tmout = 0;
otg_del_timer(fsm, A_WAIT_VRISE);
break;
case OTG_STATE_A_VBUS_ERR:
otg_del_timer(fsm, A_WAIT_VRISE);
break;
case OTG_STATE_A_VBUS_ERR:
otg_loc_sof(fsm, 0);
otg_set_protocol(fsm, PROTO_GADGET);
otg_drv_vbus(fsm, 1);
otg_loc_sof(fsm, 0);
otg_set_protocol(fsm, PROTO_GADGET);
otg_drv_vbus(fsm, 1);
+ otg_add_timer(fsm, A_BIDL_ADIS);
break;
case OTG_STATE_A_WAIT_VFALL:
otg_drv_vbus(fsm, 0);
otg_loc_conn(fsm, 0);
otg_loc_sof(fsm, 0);
otg_set_protocol(fsm, PROTO_HOST);
break;
case OTG_STATE_A_WAIT_VFALL:
otg_drv_vbus(fsm, 0);
otg_loc_conn(fsm, 0);
otg_loc_sof(fsm, 0);
otg_set_protocol(fsm, PROTO_HOST);
+ otg_add_timer(fsm, A_WAIT_VFALL);
break;
case OTG_STATE_A_VBUS_ERR:
otg_drv_vbus(fsm, 0);
break;
case OTG_STATE_A_VBUS_ERR:
otg_drv_vbus(fsm, 0);
case OTG_STATE_A_PERIPHERAL:
if (fsm->id || fsm->a_bus_drop)
otg_set_state(fsm, OTG_STATE_A_WAIT_VFALL);
case OTG_STATE_A_PERIPHERAL:
if (fsm->id || fsm->a_bus_drop)
otg_set_state(fsm, OTG_STATE_A_WAIT_VFALL);
- else if (fsm->b_bus_suspend)
+ else if (fsm->a_bidl_adis_tmout || fsm->b_bus_suspend)
otg_set_state(fsm, OTG_STATE_A_WAIT_BCON);
else if (!fsm->a_vbus_vld)
otg_set_state(fsm, OTG_STATE_A_VBUS_ERR);
break;
case OTG_STATE_A_WAIT_VFALL:
otg_set_state(fsm, OTG_STATE_A_WAIT_BCON);
else if (!fsm->a_vbus_vld)
otg_set_state(fsm, OTG_STATE_A_VBUS_ERR);
break;
case OTG_STATE_A_WAIT_VFALL:
- if (fsm->id || fsm->a_bus_req || (!fsm->a_sess_vld &&
- !fsm->b_conn))
+ if (fsm->a_wait_vfall_tmout || fsm->id || fsm->a_bus_req ||
+ (!fsm->a_sess_vld && !fsm->b_conn))
otg_set_state(fsm, OTG_STATE_A_IDLE);
break;
case OTG_STATE_A_VBUS_ERR:
otg_set_state(fsm, OTG_STATE_A_IDLE);
break;
case OTG_STATE_A_VBUS_ERR:
#define PROTO_GADGET (2)
enum otg_fsm_timer {
#define PROTO_GADGET (2)
enum otg_fsm_timer {
+ /* Standard OTG timers */
A_WAIT_BCON,
A_AIDL_BDIS,
B_ASE0_BRST,
A_WAIT_BCON,
A_AIDL_BDIS,
B_ASE0_BRST,
+ A_BIDL_ADIS,
+
+ /* Auxiliary timers */
B_SE0_SRP,
B_SRP_FAIL,
A_WAIT_ENUM,
B_SE0_SRP,
B_SRP_FAIL,
A_WAIT_ENUM,
/* Timeout indicator for timers */
int a_wait_vrise_tmout;
/* Timeout indicator for timers */
int a_wait_vrise_tmout;
+ int a_wait_vfall_tmout;
int a_wait_bcon_tmout;
int a_aidl_bdis_tmout;
int b_ase0_brst_tmout;
int a_wait_bcon_tmout;
int a_aidl_bdis_tmout;
int b_ase0_brst_tmout;
/* Informative variables */
int a_bus_drop;
/* Informative variables */
int a_bus_drop;