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Source at commit f39709ba061049463b1a607369e476512da9ec5b created 13 years 10 months ago. By Lars-Peter Clausen, Add jz4740 udc driver | |
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1 | /* |
2 | * linux/drivers/usb/gadget/jz4740_udc.h |
3 | * |
4 | * Ingenic JZ4740 on-chip high speed USB device controller |
5 | * |
6 | * Copyright (C) 2006 Ingenic Semiconductor Inc. |
7 | * Author: <jlwei@ingenic.cn> |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
12 | * (at your option) any later version. |
13 | */ |
14 | |
15 | #ifndef __USB_GADGET_JZ4740_H__ |
16 | #define __USB_GADGET_JZ4740_H__ |
17 | |
18 | /*-------------------------------------------------------------------------*/ |
19 | |
20 | // Max packet size |
21 | #define EP0_MAXPACKETSIZE 64 |
22 | #define EPBULK_MAXPACKETSIZE 512 |
23 | #define EPINTR_MAXPACKETSIZE 64 |
24 | |
25 | #define UDC_MAX_ENDPOINTS 4 |
26 | |
27 | /*-------------------------------------------------------------------------*/ |
28 | |
29 | enum ep_type { |
30 | ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt |
31 | }; |
32 | |
33 | struct jz4740_ep { |
34 | struct usb_ep ep; |
35 | struct jz4740_udc *dev; |
36 | |
37 | const struct usb_endpoint_descriptor *desc; |
38 | |
39 | uint8_t stopped; |
40 | uint8_t bEndpointAddress; |
41 | uint8_t bmAttributes; |
42 | |
43 | enum ep_type type; |
44 | size_t fifo; |
45 | uint32_t csr; |
46 | |
47 | uint32_t reg_addr; |
48 | struct list_head queue; |
49 | }; |
50 | |
51 | struct jz4740_request { |
52 | struct usb_request req; |
53 | struct list_head queue; |
54 | }; |
55 | |
56 | enum ep0state { |
57 | WAIT_FOR_SETUP, /* between STATUS ack and SETUP report */ |
58 | DATA_STATE_XMIT, /* data tx stage */ |
59 | DATA_STATE_NEED_ZLP, /* data tx zlp stage */ |
60 | WAIT_FOR_OUT_STATUS, /* status stages */ |
61 | DATA_STATE_RECV, /* data rx stage */ |
62 | }; |
63 | |
64 | /* For function binding with UDC Disable - Added by River */ |
65 | typedef enum { |
66 | UDC_STATE_ENABLE = 0, |
67 | UDC_STATE_DISABLE, |
68 | }udc_state_t; |
69 | |
70 | struct jz4740_udc { |
71 | struct usb_gadget gadget; |
72 | struct usb_gadget_driver *driver; |
73 | struct device *dev; |
74 | spinlock_t lock; |
75 | unsigned long lock_flags; |
76 | |
77 | enum ep0state ep0state; |
78 | struct jz4740_ep ep[UDC_MAX_ENDPOINTS]; |
79 | |
80 | udc_state_t state; |
81 | |
82 | struct resource *mem; |
83 | void __iomem *base; |
84 | int irq; |
85 | |
86 | struct clk *clk; |
87 | }; |
88 | |
89 | #define ep_maxpacket(EP) ((EP)->ep.maxpacket) |
90 | |
91 | static inline bool ep_is_in(const struct jz4740_ep *ep) |
92 | { |
93 | return (ep->bEndpointAddress & USB_DIR_IN) == USB_DIR_IN; |
94 | } |
95 | |
96 | static inline uint8_t ep_index(const struct jz4740_ep *ep) |
97 | { |
98 | return ep->bEndpointAddress & 0xf; |
99 | } |
100 | |
101 | #endif /* __USB_GADGET_JZ4740_H__ */ |
102 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
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jz-2.6.39
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jz-3.11
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jz-3.18-dt
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jz-3.6
jz-3.6-rc2-pwm
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jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9