| Arnaud Patard | 3fc154b | 2007-06-06 21:05:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/usb/gadget/s3c2410_udc.h |
| 3 | * Samsung on-chip full speed USB device controllers |
| 4 | * |
| 5 | * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard |
| 6 | * Additional cleanups by Ben Dooks <ben-linux@fluff.org> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef _S3C2410_UDC_H |
| 25 | #define _S3C2410_UDC_H |
| 26 | |
| 27 | struct s3c2410_ep { |
| 28 | struct list_head queue; |
| 29 | unsigned long last_io; /* jiffies timestamp */ |
| 30 | struct usb_gadget *gadget; |
| 31 | struct s3c2410_udc *dev; |
| 32 | const struct usb_endpoint_descriptor *desc; |
| 33 | struct usb_ep ep; |
| 34 | u8 num; |
| 35 | |
| 36 | unsigned short fifo_size; |
| 37 | u8 bEndpointAddress; |
| 38 | u8 bmAttributes; |
| 39 | |
| 40 | unsigned halted : 1; |
| 41 | unsigned already_seen : 1; |
| 42 | unsigned setup_stage : 1; |
| 43 | }; |
| 44 | |
| 45 | |
| 46 | /* Warning : ep0 has a fifo of 16 bytes */ |
| 47 | /* Don't try to set 32 or 64 */ |
| 48 | /* also testusb 14 fails wit 16 but is */ |
| 49 | /* fine with 8 */ |
| 50 | #define EP0_FIFO_SIZE 8 |
| 51 | #define EP_FIFO_SIZE 64 |
| 52 | #define DEFAULT_POWER_STATE 0x00 |
| 53 | |
| 54 | #define S3C2440_EP_FIFO_SIZE 128 |
| 55 | |
| 56 | static const char ep0name [] = "ep0"; |
| 57 | |
| 58 | static const char *const ep_name[] = { |
| 59 | ep0name, /* everyone has ep0 */ |
| 60 | /* s3c2410 four bidirectional bulk endpoints */ |
| 61 | "ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk", |
| 62 | }; |
| 63 | |
| 64 | #define S3C2410_ENDPOINTS ARRAY_SIZE(ep_name) |
| 65 | |
| 66 | struct s3c2410_request { |
| 67 | struct list_head queue; /* ep's requests */ |
| 68 | struct usb_request req; |
| 69 | }; |
| 70 | |
| 71 | enum ep0_state { |
| 72 | EP0_IDLE, |
| 73 | EP0_IN_DATA_PHASE, |
| 74 | EP0_OUT_DATA_PHASE, |
| 75 | EP0_END_XFER, |
| 76 | EP0_STALL, |
| 77 | }; |
| 78 | |
| 79 | static const char *ep0states[]= { |
| 80 | "EP0_IDLE", |
| 81 | "EP0_IN_DATA_PHASE", |
| 82 | "EP0_OUT_DATA_PHASE", |
| 83 | "EP0_END_XFER", |
| 84 | "EP0_STALL", |
| 85 | }; |
| 86 | |
| 87 | struct s3c2410_udc { |
| 88 | spinlock_t lock; |
| 89 | |
| 90 | struct s3c2410_ep ep[S3C2410_ENDPOINTS]; |
| 91 | int address; |
| 92 | struct usb_gadget gadget; |
| 93 | struct usb_gadget_driver *driver; |
| 94 | struct s3c2410_request fifo_req; |
| 95 | u8 fifo_buf[EP_FIFO_SIZE]; |
| 96 | u16 devstatus; |
| 97 | |
| 98 | u32 port_status; |
| 99 | int ep0state; |
| 100 | |
| 101 | unsigned got_irq : 1; |
| 102 | |
| 103 | unsigned req_std : 1; |
| 104 | unsigned req_config : 1; |
| 105 | unsigned req_pending : 1; |
| 106 | u8 vbus; |
| 107 | struct dentry *regs_info; |
| 108 | }; |
| 109 | |
| 110 | #endif |