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git.ipfire.org Git - people/ms/u-boot.git/blob - include/usb/s3c_udc.h
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/usb/ch9.h>
14 #include <linux/usb/gadget.h>
15 #include <linux/list.h>
16 #include <usb/lin_gadget_compat.h>
18 #define PHY0_SLEEP (1 << 5)
20 /*-------------------------------------------------------------------------*/
21 /* DMA bounce buffer size, 16K is enough even for mass storage */
22 #define DMA_BUFFER_SIZE (4096*4)
24 #define EP0_FIFO_SIZE 64
25 #define EP_FIFO_SIZE 512
26 #define EP_FIFO_SIZE2 1024
27 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
28 #define S3C_MAX_ENDPOINTS 4
29 #define S3C_MAX_HW_ENDPOINTS 16
31 #define WAIT_FOR_SETUP 0
32 #define DATA_STATE_XMIT 1
33 #define DATA_STATE_NEED_ZLP 2
34 #define WAIT_FOR_OUT_STATUS 3
35 #define DATA_STATE_RECV 4
36 #define WAIT_FOR_COMPLETE 5
37 #define WAIT_FOR_OUT_COMPLETE 6
38 #define WAIT_FOR_IN_COMPLETE 7
39 #define WAIT_FOR_NULL_COMPLETE 8
41 #define TEST_J_SEL 0x1
42 #define TEST_K_SEL 0x2
43 #define TEST_SE0_NAK_SEL 0x3
44 #define TEST_PACKET_SEL 0x4
45 #define TEST_FORCE_ENABLE_SEL 0x5
47 /* ************************************************************************* */
52 ep_control
, ep_bulk_in
, ep_bulk_out
, ep_interrupt
59 const struct usb_endpoint_descriptor
*desc
;
60 struct list_head queue
;
61 unsigned long pio_irqs
;
74 struct usb_request req
;
75 struct list_head queue
;
79 struct usb_gadget gadget
;
80 struct usb_gadget_driver
*driver
;
82 struct s3c_plat_otg_data
*pdata
;
84 void *dma_buf
[S3C_MAX_ENDPOINTS
+1];
85 dma_addr_t dma_addr
[S3C_MAX_ENDPOINTS
+1];
88 struct s3c_ep ep
[S3C_MAX_ENDPOINTS
];
90 unsigned char usb_address
;
92 unsigned req_pending
:1, req_std
:1;
95 extern struct s3c_udc
*the_controller
;
97 #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
98 #define ep_index(EP) ((EP)->bEndpointAddress&0xF)
99 #define ep_maxpacket(EP) ((EP)->ep.maxpacket)
101 extern void otg_phy_init(struct s3c_udc
*dev
);
102 extern void otg_phy_off(struct s3c_udc
*dev
);
104 extern void s3c_udc_ep_set_stall(struct s3c_ep
*ep
);
105 extern int s3c_udc_probe(struct s3c_plat_otg_data
*pdata
);
107 struct s3c_plat_otg_data
{
108 int (*phy_control
)(int on
);
109 unsigned int regs_phy
;
110 unsigned int regs_otg
;
111 unsigned int usb_phy_ctrl
;
112 unsigned int usb_flags
;