1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* This is used to for host and peripheral modes of the driver for
* Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC.
*
* Board initialization should put one of these into dev->platform_data,
* probably on some platform_device named "musb-hdrc". It encapsulates
* key configuration differences between boards.
*/
#ifndef __LINUX_USB_MUSB_H
#define __LINUX_USB_MUSB_H
/* The USB role is defined by the connector used on the board, so long as
* standards are being followed. (Developer boards sometimes won't.)
*/
enum musb_mode {
MUSB_UNDEFINED = 0,
MUSB_HOST, /* A or Mini-A connector */
MUSB_PERIPHERAL, /* B or Mini-B connector */
MUSB_OTG /* Mini-AB connector */
};
struct clk;
enum musb_fifo_style {
MUSB_FIFO_RXTX, /* add MUSB_ prefix to avoid confilicts with musbfsh.h, gang */
MUSB_FIFO_TX,
MUSB_FIFO_RX
} __attribute__ ((packed));
enum musb_buf_mode {
MUSB_BUF_SINGLE, /* add MUSB_ prefix to avoid confilicts with musbfsh.h, gang */
MUSB_BUF_DOUBLE
} __attribute__ ((packed));
enum musb_ep_mode {
EP_CONT,
EP_INT,
EP_BULK,
EP_ISO
} __attribute__ ((packed));
struct musb_fifo_cfg {
u8 hw_ep_num;
enum musb_fifo_style style;
enum musb_buf_mode mode;
u16 maxpacket;
enum musb_ep_mode ep_mode;
};
#define MUSB_EP_FIFO(ep, st, m, pkt) \
{ \
.hw_ep_num = ep, \
.style = st, \
.mode = m, \
.maxpacket = pkt, \
}
#define MUSB_EP_FIFO_SINGLE(ep, st, pkt) \
MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt)
#define MUSB_EP_FIFO_DOUBLE(ep, st, pkt) \
MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt)
struct musb_hdrc_eps_bits {
const char name[16];
u8 bits;
};
struct musb_hdrc_config {
struct musb_fifo_cfg *fifo_cfg; /* board fifo configuration */
unsigned fifo_cfg_size; /* size of the fifo configuration */
/* MUSB configuration-specific details */
unsigned multipoint:1; /* multipoint device */
unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */
unsigned soft_con:1 __deprecated; /* soft connect required */
unsigned utm_16:1 __deprecated; /* utm data witdh is 16 bits */
unsigned big_endian:1; /* true if CPU uses big-endian */
unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */
unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */
unsigned high_iso_tx:1; /* Tx ep required for HB iso */
unsigned high_iso_rx:1; /* Rx ep required for HD iso */
unsigned dma:1 __deprecated; /* supports DMA */
unsigned vendor_req:1 __deprecated; /* vendor registers required */
u8 num_eps; /* number of endpoints _with_ ep0 */
u8 dma_channels __deprecated; /* number of dma channels */
u8 dyn_fifo_size; /* dynamic size in bytes */
u8 vendor_ctrl __deprecated; /* vendor control reg width */
u8 vendor_stat __deprecated; /* vendor status reg witdh */
u8 dma_req_chan __deprecated; /* bitmask for required dma channels */
u8 ram_bits; /* ram address size */
struct musb_hdrc_eps_bits *eps_bits __deprecated;
};
struct musb_hdrc_platform_data {
/* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
u8 mode;
/* for clk_get() */
const char *clock;
/* (HOST or OTG) switch VBUS on/off */
int (*set_vbus) (struct device *dev, int is_on);
/* (HOST or OTG) mA/2 power supplied on (default = 8mA) */
u8 power;
/* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */
u8 min_power;
/* (HOST or OTG) msec/2 after VBUS on till power good */
u8 potpgt;
/* (HOST or OTG) program PHY for external Vbus */
unsigned extvbus:1;
/* Power the device on or off */
int (*set_power) (int state);
/* MUSB configuration-specific details */
struct musb_hdrc_config *config;
/* Architecture specific board data */
void *board_data;
/* Platform specific struct musb_ops pointer */
const void *platform_ops;
};
#endif /* __LINUX_USB_MUSB_H */
|
