xref: /openbmc/u-boot/include/usb/pxa27x_udc.h (revision 3ccbfb25f48af78e7092ac75f3115e924e76c748)
1*3ccbfb25SRemy Bohmer /*
2*3ccbfb25SRemy Bohmer  * PXA27x register declarations and HCD data structures
3*3ccbfb25SRemy Bohmer  *
4*3ccbfb25SRemy Bohmer  * Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it>
5*3ccbfb25SRemy Bohmer  * Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it>
6*3ccbfb25SRemy Bohmer  *
7*3ccbfb25SRemy Bohmer  * This program is free software; you can redistribute it and/or
8*3ccbfb25SRemy Bohmer  * modify it under the terms of the GNU General Public License as
9*3ccbfb25SRemy Bohmer  * published by the Free Software Foundation; either version 2 of
10*3ccbfb25SRemy Bohmer  * the License, or (at your option) any later version.
11*3ccbfb25SRemy Bohmer  *
12*3ccbfb25SRemy Bohmer  * This program is distributed in the hope that it will be useful,
13*3ccbfb25SRemy Bohmer  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14*3ccbfb25SRemy Bohmer  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*3ccbfb25SRemy Bohmer  * GNU General Public License for more details.
16*3ccbfb25SRemy Bohmer  *
17*3ccbfb25SRemy Bohmer  * You should have received a copy of the GNU General Public License
18*3ccbfb25SRemy Bohmer  * along with this program; if not, write to the Free Software
19*3ccbfb25SRemy Bohmer  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20*3ccbfb25SRemy Bohmer  * MA 02111-1307 USA
21*3ccbfb25SRemy Bohmer  */
22*3ccbfb25SRemy Bohmer 
23*3ccbfb25SRemy Bohmer 
24*3ccbfb25SRemy Bohmer #ifndef __PXA270X_UDC_H__
25*3ccbfb25SRemy Bohmer #define __PXA270X_UDC_H__
26*3ccbfb25SRemy Bohmer 
27*3ccbfb25SRemy Bohmer #include <asm/byteorder.h>
28*3ccbfb25SRemy Bohmer 
29*3ccbfb25SRemy Bohmer /* Endpoint 0 states */
30*3ccbfb25SRemy Bohmer #define EP0_IDLE		0
31*3ccbfb25SRemy Bohmer #define EP0_IN_DATA		1
32*3ccbfb25SRemy Bohmer #define EP0_OUT_DATA		2
33*3ccbfb25SRemy Bohmer #define EP0_XFER_COMPLETE	3
34*3ccbfb25SRemy Bohmer 
35*3ccbfb25SRemy Bohmer 
36*3ccbfb25SRemy Bohmer /* Endpoint parameters */
37*3ccbfb25SRemy Bohmer #define MAX_ENDPOINTS		4
38*3ccbfb25SRemy Bohmer #define EP_MAX_PACKET_SIZE	64
39*3ccbfb25SRemy Bohmer 
40*3ccbfb25SRemy Bohmer #define EP0_MAX_PACKET_SIZE     16
41*3ccbfb25SRemy Bohmer #define UDC_OUT_ENDPOINT        0x02
42*3ccbfb25SRemy Bohmer #define UDC_OUT_PACKET_SIZE     EP_MAX_PACKET_SIZE
43*3ccbfb25SRemy Bohmer #define UDC_IN_ENDPOINT         0x01
44*3ccbfb25SRemy Bohmer #define UDC_IN_PACKET_SIZE      EP_MAX_PACKET_SIZE
45*3ccbfb25SRemy Bohmer #define UDC_INT_ENDPOINT        0x05
46*3ccbfb25SRemy Bohmer #define UDC_INT_PACKET_SIZE     EP_MAX_PACKET_SIZE
47*3ccbfb25SRemy Bohmer #define UDC_BULK_PACKET_SIZE    EP_MAX_PACKET_SIZE
48*3ccbfb25SRemy Bohmer 
49*3ccbfb25SRemy Bohmer void udc_irq(void);
50*3ccbfb25SRemy Bohmer /* Flow control */
51*3ccbfb25SRemy Bohmer void udc_set_nak(int epid);
52*3ccbfb25SRemy Bohmer void udc_unset_nak(int epid);
53*3ccbfb25SRemy Bohmer 
54*3ccbfb25SRemy Bohmer /* Higher level functions for abstracting away from specific device */
55*3ccbfb25SRemy Bohmer int udc_endpoint_write(struct usb_endpoint_instance *endpoint);
56*3ccbfb25SRemy Bohmer 
57*3ccbfb25SRemy Bohmer int  udc_init(void);
58*3ccbfb25SRemy Bohmer 
59*3ccbfb25SRemy Bohmer void udc_enable(struct usb_device_instance *device);
60*3ccbfb25SRemy Bohmer void udc_disable(void);
61*3ccbfb25SRemy Bohmer 
62*3ccbfb25SRemy Bohmer void udc_connect(void);
63*3ccbfb25SRemy Bohmer void udc_disconnect(void);
64*3ccbfb25SRemy Bohmer 
65*3ccbfb25SRemy Bohmer void udc_startup_events(struct usb_device_instance *device);
66*3ccbfb25SRemy Bohmer void udc_setup_ep(struct usb_device_instance *device,
67*3ccbfb25SRemy Bohmer 	 unsigned int ep, struct usb_endpoint_instance *endpoint);
68*3ccbfb25SRemy Bohmer 
69*3ccbfb25SRemy Bohmer #endif
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