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 * SPDX-License-Identifier: GPL-2.0+
9 #ifndef __S3C_USB_GADGET
10 #define __S3C_USB_GADGET
12 #include <asm/errno.h>
13 #include <linux/sizes.h>
14 #include <linux/usb/ch9.h>
15 #include <linux/usb/gadget.h>
16 #include <linux/list.h>
17 #include <usb/lin_gadget_compat.h>
19 #define PHY0_SLEEP (1 << 5)
21 /*-------------------------------------------------------------------------*/
22 /* DMA bounce buffer size, 16K is enough even for mass storage */
23 #define DMA_BUFFER_SIZE (16*SZ_1K)
25 #define EP0_FIFO_SIZE 64
26 #define EP_FIFO_SIZE 512
27 #define EP_FIFO_SIZE2 1024
28 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
29 #define S3C_MAX_ENDPOINTS 4
30 #define S3C_MAX_HW_ENDPOINTS 16
32 #define WAIT_FOR_SETUP 0
33 #define DATA_STATE_XMIT 1
34 #define DATA_STATE_NEED_ZLP 2
35 #define WAIT_FOR_OUT_STATUS 3
36 #define DATA_STATE_RECV 4
37 #define WAIT_FOR_COMPLETE 5
38 #define WAIT_FOR_OUT_COMPLETE 6
39 #define WAIT_FOR_IN_COMPLETE 7
40 #define WAIT_FOR_NULL_COMPLETE 8
42 #define TEST_J_SEL 0x1
43 #define TEST_K_SEL 0x2
44 #define TEST_SE0_NAK_SEL 0x3
45 #define TEST_PACKET_SEL 0x4
46 #define TEST_FORCE_ENABLE_SEL 0x5
48 /* ************************************************************************* */
53 ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
60 const struct usb_endpoint_descriptor *desc;
61 struct list_head queue;
62 unsigned long pio_irqs;
75 struct usb_request req;
76 struct list_head queue;
80 struct usb_gadget gadget;
81 struct usb_gadget_driver *driver;
83 struct s3c_plat_otg_data *pdata;
86 struct s3c_ep ep[S3C_MAX_ENDPOINTS];
88 unsigned char usb_address;
90 unsigned req_pending:1, req_std:1;
93 extern struct s3c_udc *the_controller;
95 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
96 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
97 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
99 extern void otg_phy_init(struct s3c_udc *dev);
100 extern void otg_phy_off(struct s3c_udc *dev);
102 extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
103 extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
105 struct s3c_plat_otg_data {
106 int (*phy_control)(int on);
107 unsigned int regs_phy;
108 unsigned int regs_otg;
109 unsigned int usb_phy_ctrl;
110 unsigned int usb_flags;
111 unsigned int usb_gusbcfg;