blob: 565bca3aa4400d9602e3879f41996ea31f86bd8a (
plain)
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Renesas USB
*
* Copyright (C) 2011 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef RENESAS_USB_H
#define RENESAS_USB_H
#include <linux/platform_device.h>
#include <linux/usb/ch9.h>
/*
* module type
*
* it will be return value from get_id
*/
enum {
USBHS_HOST = 0,
USBHS_GADGET,
USBHS_MAX,
};
/*
* callback functions table for driver
*
* These functions are called from platform for driver.
* Callback function's pointer will be set before
* renesas_usbhs_platform_callback :: hardware_init was called
*/
struct renesas_usbhs_driver_callback {
int (*notify_hotplug)(struct platform_device *pdev);
};
/*
* callback functions for platform
*
* These functions are called from driver for platform
*/
struct renesas_usbhs_platform_callback {
/*
* option:
*
* Hardware init function for platform.
* it is called when driver was probed.
*/
int (*hardware_init)(struct platform_device *pdev);
/*
* option:
*
* Hardware exit function for platform.
* it is called when driver was removed
*/
void (*hardware_exit)(struct platform_device *pdev);
/*
* option:
*
* Phy reset for platform
*/
void (*phy_reset)(struct platform_device *pdev);
/*
* get USB ID function
* - USBHS_HOST
* - USBHS_GADGET
*/
int (*get_id)(struct platform_device *pdev);
/*
* get VBUS status function.
*/
int (*get_vbus)(struct platform_device *pdev);
};
/*
* parameters for renesas usbhs
*
* some register needs USB chip specific parameters.
* This struct show it to driver
*/
struct renesas_usbhs_driver_param {
/*
* pipe settings
*/
u32 *pipe_type; /* array of USB_ENDPOINT_XFER_xxx (from ep0) */
int pipe_size; /* pipe_type array size */
/*
* option:
*
* for BUSWAIT :: BWAIT
* */
int buswait_bwait;
};
/*
* option:
*
* platform information for renesas_usbhs driver.
*/
struct renesas_usbhs_platform_info {
/*
* option:
*
* platform set these functions before
* call platform_add_devices if needed
*/
struct renesas_usbhs_platform_callback platform_callback;
/*
* driver set these callback functions pointer.
* platform can use it on callback functions
*/
struct renesas_usbhs_driver_callback driver_callback;
/*
* option:
*
* driver use these param for some register
*/
struct renesas_usbhs_driver_param driver_param;
};
/*
* macro for platform
*/
#define renesas_usbhs_get_info(pdev)\
((struct renesas_usbhs_platform_info *)(pdev)->dev.platform_data)
#define renesas_usbhs_call_notify_hotplug(pdev) \
({ \
struct renesas_usbhs_driver_callback *dc; \
dc = &(renesas_usbhs_get_info(pdev)->driver_callback); \
if (dc) \
dc->notify_hotplug(pdev); \
})
#endif /* RENESAS_USB_H */
|
