1 /* ==========================================================================
2 * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_adp.h $
7 * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
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32 * ========================================================================== */
34 #ifndef __DWC_OTG_ADP_H__
35 #define __DWC_OTG_ADP_H__
40 * This file contains the Attach Detect Protocol interfaces and defines
41 * (functions) and structures for Linux.
45 #define DWC_OTG_ADP_UNATTACHED 0
46 #define DWC_OTG_ADP_ATTACHED 1
47 #define DWC_OTG_ADP_UNKOWN 2
49 typedef struct dwc_otg_adp {
51 uint32_t initial_probe;
52 int32_t probe_timer_values[2];
53 uint32_t probe_enabled;
54 uint32_t sense_enabled;
55 dwc_timer_t *sense_timer;
56 uint32_t sense_timer_started;
57 dwc_timer_t *vbuson_timer;
58 uint32_t vbuson_timer_started;
60 uint32_t probe_counter;
65 * Attach Detect Protocol functions
68 extern void dwc_otg_adp_write_reg(dwc_otg_core_if_t * core_if, uint32_t value);
69 extern uint32_t dwc_otg_adp_read_reg(dwc_otg_core_if_t * core_if);
70 extern uint32_t dwc_otg_adp_probe_start(dwc_otg_core_if_t * core_if);
71 extern uint32_t dwc_otg_adp_sense_start(dwc_otg_core_if_t * core_if);
72 extern uint32_t dwc_otg_adp_probe_stop(dwc_otg_core_if_t * core_if);
73 extern uint32_t dwc_otg_adp_sense_stop(dwc_otg_core_if_t * core_if);
74 extern void dwc_otg_adp_start(dwc_otg_core_if_t * core_if, uint8_t is_host);
75 extern void dwc_otg_adp_init(dwc_otg_core_if_t * core_if);
76 extern void dwc_otg_adp_remove(dwc_otg_core_if_t * core_if);
77 extern int32_t dwc_otg_adp_handle_intr(dwc_otg_core_if_t * core_if);
78 extern int32_t dwc_otg_adp_handle_srp_intr(dwc_otg_core_if_t * core_if);
80 #endif //__DWC_OTG_ADP_H__