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Kevin O'Connor59f02832009-10-12 10:09:15 -04001#ifndef __USB_OHCI_H
2#define __USB_OHCI_H
3
4// usb-ohci.c
Kevin O'Connor406fad62010-02-28 02:23:19 -05005void ohci_init(u16 bdf, int busid);
Kevin O'Connor357bdfa2010-02-26 08:57:13 -05006struct usb_pipe;
7void ohci_free_pipe(struct usb_pipe *p);
Kevin O'Connor4547eb92010-02-28 02:17:28 -05008struct usb_pipe *ohci_alloc_control_pipe(struct usb_pipe *dummy);
Kevin O'Connor357bdfa2010-02-26 08:57:13 -05009int ohci_control(struct usb_pipe *p, int dir, const void *cmd, int cmdsize
Kevin O'Connor59f02832009-10-12 10:09:15 -040010 , void *data, int datasize);
Kevin O'Connor4547eb92010-02-28 02:17:28 -050011struct usb_pipe *ohci_alloc_intr_pipe(struct usb_pipe *dummy, int frameexp);
12int ohci_poll_intr(struct usb_pipe *p, void *data);
Kevin O'Connor59f02832009-10-12 10:09:15 -040013
14
15/****************************************************************
16 * ohci structs and flags
17 ****************************************************************/
18
19struct ohci_ed {
20 u32 hwINFO;
21 u32 hwTailP;
22 u32 hwHeadP;
23 u32 hwNextED;
24} PACKED;
25
26#define ED_ISO (1 << 15)
27#define ED_SKIP (1 << 14)
28#define ED_LOWSPEED (1 << 13)
29#define ED_OUT (0x01 << 11)
30#define ED_IN (0x02 << 11)
31
32#define ED_C (0x02)
33#define ED_H (0x01)
34
35struct ohci_td {
36 u32 hwINFO;
37 u32 hwCBP;
38 u32 hwNextTD;
39 u32 hwBE;
40} PACKED;
41
42#define TD_CC 0xf0000000
43#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f)
44#define TD_DI 0x00E00000
Kevin O'Connor59f02832009-10-12 10:09:15 -040045
46#define TD_DONE 0x00020000
47#define TD_ISO 0x00010000
48
49#define TD_EC 0x0C000000
50#define TD_T 0x03000000
51#define TD_T_DATA0 0x02000000
52#define TD_T_DATA1 0x03000000
53#define TD_T_TOGGLE 0x00000000
54#define TD_DP 0x00180000
55#define TD_DP_SETUP 0x00000000
56#define TD_DP_IN 0x00100000
57#define TD_DP_OUT 0x00080000
58
59#define TD_R 0x00040000
60
61struct ohci_hcca {
62 u32 int_table[32];
63 u32 frame_no;
64 u32 done_head;
65 u8 reserved[120];
66} PACKED;
67
68struct ohci_regs {
69 u32 revision;
70 u32 control;
71 u32 cmdstatus;
72 u32 intrstatus;
73 u32 intrenable;
74 u32 intrdisable;
75
76 u32 hcca;
77 u32 ed_periodcurrent;
78 u32 ed_controlhead;
79 u32 ed_controlcurrent;
80 u32 ed_bulkhead;
81 u32 ed_bulkcurrent;
82 u32 donehead;
83
84 u32 fminterval;
85 u32 fmremaining;
86 u32 fmnumber;
87 u32 periodicstart;
88 u32 lsthresh;
89
90 u32 roothub_a;
91 u32 roothub_b;
92 u32 roothub_status;
93 u32 roothub_portstatus[15];
94} PACKED;
95
Kevin O'Connor1c46a542009-10-17 23:53:32 -040096#define OHCI_CTRL_CBSR (3 << 0)
97#define OHCI_CTRL_PLE (1 << 2)
98#define OHCI_CTRL_CLE (1 << 4)
Kevin O'Connor357bdfa2010-02-26 08:57:13 -050099#define OHCI_CTRL_BLE (1 << 5)
Kevin O'Connor1c46a542009-10-17 23:53:32 -0400100#define OHCI_CTRL_HCFS (3 << 6)
101# define OHCI_USB_RESET (0 << 6)
102# define OHCI_USB_OPER (2 << 6)
103#define OHCI_CTRL_RWC (1 << 9)
104
105#define OHCI_HCR (1 << 0)
106#define OHCI_CLF (1 << 1)
107
Kevin O'Connor59f02832009-10-12 10:09:15 -0400108#define OHCI_INTR_MIE (1 << 31)
109
Kevin O'Connor1c46a542009-10-17 23:53:32 -0400110#define RH_PS_CCS 0x00000001
111#define RH_PS_PES 0x00000002
112#define RH_PS_PSS 0x00000004
113#define RH_PS_POCI 0x00000008
114#define RH_PS_PRS 0x00000010
115#define RH_PS_PPS 0x00000100
116#define RH_PS_LSDA 0x00000200
117#define RH_PS_CSC 0x00010000
118#define RH_PS_PESC 0x00020000
119#define RH_PS_PSSC 0x00040000
120#define RH_PS_OCIC 0x00080000
121#define RH_PS_PRSC 0x00100000
122
123#define RH_HS_LPS 0x00000001
124#define RH_HS_OCI 0x00000002
125#define RH_HS_DRWE 0x00008000
126#define RH_HS_LPSC 0x00010000
127#define RH_HS_OCIC 0x00020000
128#define RH_HS_CRWE 0x80000000
129
130#define RH_B_DR 0x0000ffff
131#define RH_B_PPCM 0xffff0000
132
133#define RH_A_NDP (0xff << 0)
134#define RH_A_PSM (1 << 8)
135#define RH_A_NPS (1 << 9)
136#define RH_A_DT (1 << 10)
137#define RH_A_OCPM (1 << 11)
138#define RH_A_NOCP (1 << 12)
139#define RH_A_POTPGT (0xff << 24)
140
Kevin O'Connor59f02832009-10-12 10:09:15 -0400141#endif // usb-ohci.h