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/dwc2_udc.h>
17 /*-------------------------------------------------------------------------*/
18 /* DMA bounce buffer size, 16K is enough even for mass storage */
19 #define DMA_BUFFER_SIZE (16*SZ_1K)
21 #define EP0_FIFO_SIZE 64
22 #define EP_FIFO_SIZE 512
23 #define EP_FIFO_SIZE2 1024
24 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
25 #define DWC2_MAX_ENDPOINTS 4
26 #define DWC2_MAX_HW_ENDPOINTS 16
28 #define WAIT_FOR_SETUP 0
29 #define DATA_STATE_XMIT 1
30 #define DATA_STATE_NEED_ZLP 2
31 #define WAIT_FOR_OUT_STATUS 3
32 #define DATA_STATE_RECV 4
33 #define WAIT_FOR_COMPLETE 5
34 #define WAIT_FOR_OUT_COMPLETE 6
35 #define WAIT_FOR_IN_COMPLETE 7
36 #define WAIT_FOR_NULL_COMPLETE 8
38 #define TEST_J_SEL 0x1
39 #define TEST_K_SEL 0x2
40 #define TEST_SE0_NAK_SEL 0x3
41 #define TEST_PACKET_SEL 0x4
42 #define TEST_FORCE_ENABLE_SEL 0x5
44 /* ************************************************************************* */
49 ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
56 const struct usb_endpoint_descriptor *desc;
57 struct list_head queue;
58 unsigned long pio_irqs;
71 struct usb_request req;
72 struct list_head queue;
76 struct usb_gadget gadget;
77 struct usb_gadget_driver *driver;
79 struct dwc2_plat_otg_data *pdata;
82 struct dwc2_ep ep[DWC2_MAX_ENDPOINTS];
84 unsigned char usb_address;
86 unsigned req_pending:1, req_std:1;
89 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
90 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
91 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
93 void otg_phy_init(struct dwc2_udc *dev);
94 void otg_phy_off(struct dwc2_udc *dev);
96 #endif /* __DWC2_UDC_OTG_PRIV__ */