2 * drivers/usb/gadget/s3c_udc.h
3 * Samsung S3C on-chip full/high speed USB device controllers
4 * Copyright (C) 2005 for Samsung Electronics
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #ifndef __S3C_USB_GADGET
23 #define __S3C_USB_GADGET
25 #include <asm/errno.h>
26 #include <linux/usb/ch9.h>
27 #include <linux/usb/gadget.h>
28 #include <linux/list.h>
29 #include <usb/lin_gadget_compat.h>
31 #define PHY0_SLEEP (1 << 5)
33 /*-------------------------------------------------------------------------*/
34 /* DMA bounce buffer size, 16K is enough even for mass storage */
35 #define DMA_BUFFER_SIZE (4096*4)
37 #define EP0_FIFO_SIZE 64
38 #define EP_FIFO_SIZE 512
39 #define EP_FIFO_SIZE2 1024
40 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
41 #define S3C_MAX_ENDPOINTS 4
42 #define S3C_MAX_HW_ENDPOINTS 16
44 #define WAIT_FOR_SETUP 0
45 #define DATA_STATE_XMIT 1
46 #define DATA_STATE_NEED_ZLP 2
47 #define WAIT_FOR_OUT_STATUS 3
48 #define DATA_STATE_RECV 4
49 #define WAIT_FOR_COMPLETE 5
50 #define WAIT_FOR_OUT_COMPLETE 6
51 #define WAIT_FOR_IN_COMPLETE 7
52 #define WAIT_FOR_NULL_COMPLETE 8
54 #define TEST_J_SEL 0x1
55 #define TEST_K_SEL 0x2
56 #define TEST_SE0_NAK_SEL 0x3
57 #define TEST_PACKET_SEL 0x4
58 #define TEST_FORCE_ENABLE_SEL 0x5
60 /* ************************************************************************* */
65 ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
72 const struct usb_endpoint_descriptor *desc;
73 struct list_head queue;
74 unsigned long pio_irqs;
87 struct usb_request req;
88 struct list_head queue;
92 struct usb_gadget gadget;
93 struct usb_gadget_driver *driver;
95 struct s3c_plat_otg_data *pdata;
97 void *dma_buf[S3C_MAX_ENDPOINTS+1];
98 dma_addr_t dma_addr[S3C_MAX_ENDPOINTS+1];
101 struct s3c_ep ep[S3C_MAX_ENDPOINTS];
103 unsigned char usb_address;
105 unsigned req_pending:1, req_std:1, req_config:1;
108 extern struct s3c_udc *the_controller;
110 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
111 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
112 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
114 /*-------------------------------------------------------------------------*/
115 /* #define DEBUG_UDC */
117 #define DBG(stuff...) printf("udc: " stuff)
119 #define DBG(stuff...) do {} while (0)
122 #ifdef DEBUG_S3C_UDC_SETUP
123 #define DEBUG_SETUP(fmt, args...) printk(fmt, ##args)
125 #define DEBUG_SETUP(fmt, args...) do {} while (0)
128 #ifdef DEBUG_S3C_UDC_EP0
129 #define DEBUG_EP0(fmt, args...) printk(fmt, ##args)
131 #define DEBUG_EP0(fmt, args...) do {} while (0)
134 #ifdef DEBUG_S3C_UDC_ISR
140 #ifdef DEBUG_S3C_UDC_OUT_EP
141 #define DEBUG_OUT_EP(fmt, args...) printk(fmt, ##args)
143 #define DEBUG_OUT_EP(fmt, args...) do {} while (0)
146 #ifdef DEBUG_S3C_UDC_IN_EP
147 #define DEBUG_IN_EP 1
149 #define DEBUG_IN_EP 0
152 #if defined(DEBUG_S3C_UDC_SETUP) || defined(DEBUG_S3C_UDC_EP0) || \
153 defined(DEBUG_S3C_UDC_ISR) || defined(DEBUG_S3C_UDC_OUT_EP) || \
154 defined(DEBUG_S3C_UDC_IN_EP) || defined(DEBUG_S3C_UDC)
158 #define ERR(stuff...) printf("ERR udc: " stuff)
159 #define WARN(stuff...) printf("WARNING udc: " stuff)
160 #define INFO(stuff...) printf("INFO udc: " stuff)
162 extern void otg_phy_init(struct s3c_udc *dev);
163 extern void otg_phy_off(struct s3c_udc *dev);
165 extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
166 extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
168 struct s3c_plat_otg_data {
169 int (*phy_control)(int on);
170 unsigned int regs_phy;
171 unsigned int regs_otg;
172 unsigned int usb_phy_ctrl;
173 unsigned int usb_flags;