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 <usbdescriptors.h>
28 #include <linux/usb/gadget.h>
29 #include <linux/list.h>
30 #include <usb/lin_gadget_compat.h>
32 #define PHY0_SLEEP (1 << 5)
34 /*-------------------------------------------------------------------------*/
35 /* DMA bounce buffer size, 16K is enough even for mass storage */
36 #define DMA_BUFFER_SIZE (4096*4)
38 #define EP0_FIFO_SIZE 64
39 #define EP_FIFO_SIZE 512
40 #define EP_FIFO_SIZE2 1024
41 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
42 #define S3C_MAX_ENDPOINTS 4
43 #define S3C_MAX_HW_ENDPOINTS 16
45 #define WAIT_FOR_SETUP 0
46 #define DATA_STATE_XMIT 1
47 #define DATA_STATE_NEED_ZLP 2
48 #define WAIT_FOR_OUT_STATUS 3
49 #define DATA_STATE_RECV 4
50 #define WAIT_FOR_COMPLETE 5
51 #define WAIT_FOR_OUT_COMPLETE 6
52 #define WAIT_FOR_IN_COMPLETE 7
53 #define WAIT_FOR_NULL_COMPLETE 8
55 #define TEST_J_SEL 0x1
56 #define TEST_K_SEL 0x2
57 #define TEST_SE0_NAK_SEL 0x3
58 #define TEST_PACKET_SEL 0x4
59 #define TEST_FORCE_ENABLE_SEL 0x5
61 /* ************************************************************************* */
66 ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
73 const struct usb_endpoint_descriptor *desc;
74 struct list_head queue;
75 unsigned long pio_irqs;
88 struct usb_request req;
89 struct list_head queue;
93 struct usb_gadget gadget;
94 struct usb_gadget_driver *driver;
96 struct s3c_plat_otg_data *pdata;
98 void *dma_buf[S3C_MAX_ENDPOINTS+1];
99 dma_addr_t dma_addr[S3C_MAX_ENDPOINTS+1];
102 struct s3c_ep ep[S3C_MAX_ENDPOINTS];
104 unsigned char usb_address;
106 unsigned req_pending:1, req_std:1;
109 extern struct s3c_udc *the_controller;
111 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
112 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
113 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
115 /*-------------------------------------------------------------------------*/
116 /* #define DEBUG_UDC */
118 #define DBG(stuff...) printf("udc: " stuff)
120 #define DBG(stuff...) do {} while (0)
123 #ifdef DEBUG_S3C_UDC_SETUP
124 #define DEBUG_SETUP(fmt, args...) printk(fmt, ##args)
126 #define DEBUG_SETUP(fmt, args...) do {} while (0)
129 #ifdef DEBUG_S3C_UDC_EP0
130 #define DEBUG_EP0(fmt, args...) printk(fmt, ##args)
132 #define DEBUG_EP0(fmt, args...) do {} while (0)
135 #ifdef DEBUG_S3C_UDC_ISR
141 #ifdef DEBUG_S3C_UDC_OUT_EP
142 #define DEBUG_OUT_EP(fmt, args...) printk(fmt, ##args)
144 #define DEBUG_OUT_EP(fmt, args...) do {} while (0)
147 #ifdef DEBUG_S3C_UDC_IN_EP
148 #define DEBUG_IN_EP 1
150 #define DEBUG_IN_EP 0
153 #if defined(DEBUG_S3C_UDC_SETUP) || defined(DEBUG_S3C_UDC_EP0) || \
154 defined(DEBUG_S3C_UDC_ISR) || defined(DEBUG_S3C_UDC_OUT_EP) || \
155 defined(DEBUG_S3C_UDC_IN_EP) || defined(DEBUG_S3C_UDC)
159 #define ERR(stuff...) printf("ERR udc: " stuff)
160 #define WARN(stuff...) printf("WARNING udc: " stuff)
161 #define INFO(stuff...) printf("INFO udc: " stuff)
163 extern void otg_phy_init(struct s3c_udc *dev);
164 extern void otg_phy_off(struct s3c_udc *dev);
166 extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
167 extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
169 struct s3c_plat_otg_data {
170 int (*phy_control)(int on);
171 unsigned int regs_phy;
172 unsigned int regs_otg;
173 unsigned int usb_phy_ctrl;
174 unsigned int usb_flags;