1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Designware DWC2 on-chip full/high speed USB device controllers
4 * Copyright (C) 2005 for Samsung Electronics
7 #ifndef __DWC2_UDC_OTG_PRIV__
8 #define __DWC2_UDC_OTG_PRIV__
10 #include <linux/errno.h>
11 #include <linux/sizes.h>
12 #include <linux/usb/ch9.h>
13 #include <linux/usb/gadget.h>
14 #include <linux/list.h>
15 #include <usb/lin_gadget_compat.h>
16 #include <usb/dwc2_udc.h>
18 /*-------------------------------------------------------------------------*/
19 /* DMA bounce buffer size, 16K is enough even for mass storage */
20 #define DMA_BUFFER_SIZE (16*SZ_1K)
22 #define EP0_FIFO_SIZE 64
23 #define EP_FIFO_SIZE 512
24 #define EP_FIFO_SIZE2 1024
25 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
26 #define DWC2_MAX_ENDPOINTS 4
27 #define DWC2_MAX_HW_ENDPOINTS 16
29 #define WAIT_FOR_SETUP 0
30 #define DATA_STATE_XMIT 1
31 #define DATA_STATE_NEED_ZLP 2
32 #define WAIT_FOR_OUT_STATUS 3
33 #define DATA_STATE_RECV 4
34 #define WAIT_FOR_COMPLETE 5
35 #define WAIT_FOR_OUT_COMPLETE 6
36 #define WAIT_FOR_IN_COMPLETE 7
37 #define WAIT_FOR_NULL_COMPLETE 8
39 #define TEST_J_SEL 0x1
40 #define TEST_K_SEL 0x2
41 #define TEST_SE0_NAK_SEL 0x3
42 #define TEST_PACKET_SEL 0x4
43 #define TEST_FORCE_ENABLE_SEL 0x5
45 /* ************************************************************************* */
50 ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
57 const struct usb_endpoint_descriptor *desc;
58 struct list_head queue;
59 unsigned long pio_irqs;
72 struct usb_request req;
73 struct list_head queue;
77 struct usb_gadget gadget;
78 struct usb_gadget_driver *driver;
80 struct dwc2_plat_otg_data *pdata;
83 struct dwc2_ep ep[DWC2_MAX_ENDPOINTS];
85 unsigned char usb_address;
87 unsigned req_pending:1, req_std:1;
90 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
91 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
92 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
94 void otg_phy_init(struct dwc2_udc *dev);
95 void otg_phy_off(struct dwc2_udc *dev);
97 #endif /* __DWC2_UDC_OTG_PRIV__ */