1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * linux/drivers/usb/gadget/s3c2410_udc.h 4*4882a593Smuzhiyun * Samsung on-chip full speed USB device controllers 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard 7*4882a593Smuzhiyun * Additional cleanups by Ben Dooks <ben-linux@fluff.org> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef _S3C2410_UDC_H 11*4882a593Smuzhiyun #define _S3C2410_UDC_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct s3c2410_ep { 14*4882a593Smuzhiyun struct list_head queue; 15*4882a593Smuzhiyun unsigned long last_io; /* jiffies timestamp */ 16*4882a593Smuzhiyun struct usb_gadget *gadget; 17*4882a593Smuzhiyun struct s3c2410_udc *dev; 18*4882a593Smuzhiyun struct usb_ep ep; 19*4882a593Smuzhiyun u8 num; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun unsigned short fifo_size; 22*4882a593Smuzhiyun u8 bEndpointAddress; 23*4882a593Smuzhiyun u8 bmAttributes; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun unsigned halted : 1; 26*4882a593Smuzhiyun unsigned already_seen : 1; 27*4882a593Smuzhiyun unsigned setup_stage : 1; 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun /* Warning : ep0 has a fifo of 16 bytes */ 32*4882a593Smuzhiyun /* Don't try to set 32 or 64 */ 33*4882a593Smuzhiyun /* also testusb 14 fails wit 16 but is */ 34*4882a593Smuzhiyun /* fine with 8 */ 35*4882a593Smuzhiyun #define EP0_FIFO_SIZE 8 36*4882a593Smuzhiyun #define EP_FIFO_SIZE 64 37*4882a593Smuzhiyun #define DEFAULT_POWER_STATE 0x00 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #define S3C2440_EP_FIFO_SIZE 128 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun static const char ep0name [] = "ep0"; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun static const char *const ep_name[] = { 44*4882a593Smuzhiyun ep0name, /* everyone has ep0 */ 45*4882a593Smuzhiyun /* s3c2410 four bidirectional bulk endpoints */ 46*4882a593Smuzhiyun "ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk", 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #define S3C2410_ENDPOINTS ARRAY_SIZE(ep_name) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun struct s3c2410_request { 52*4882a593Smuzhiyun struct list_head queue; /* ep's requests */ 53*4882a593Smuzhiyun struct usb_request req; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun enum ep0_state { 57*4882a593Smuzhiyun EP0_IDLE, 58*4882a593Smuzhiyun EP0_IN_DATA_PHASE, 59*4882a593Smuzhiyun EP0_OUT_DATA_PHASE, 60*4882a593Smuzhiyun EP0_END_XFER, 61*4882a593Smuzhiyun EP0_STALL, 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun static const char *ep0states[]= { 65*4882a593Smuzhiyun "EP0_IDLE", 66*4882a593Smuzhiyun "EP0_IN_DATA_PHASE", 67*4882a593Smuzhiyun "EP0_OUT_DATA_PHASE", 68*4882a593Smuzhiyun "EP0_END_XFER", 69*4882a593Smuzhiyun "EP0_STALL", 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun struct s3c2410_udc { 73*4882a593Smuzhiyun spinlock_t lock; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun struct s3c2410_ep ep[S3C2410_ENDPOINTS]; 76*4882a593Smuzhiyun int address; 77*4882a593Smuzhiyun struct usb_gadget gadget; 78*4882a593Smuzhiyun struct usb_gadget_driver *driver; 79*4882a593Smuzhiyun struct s3c2410_request fifo_req; 80*4882a593Smuzhiyun u8 fifo_buf[EP_FIFO_SIZE]; 81*4882a593Smuzhiyun u16 devstatus; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun u32 port_status; 84*4882a593Smuzhiyun int ep0state; 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun unsigned got_irq : 1; 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun unsigned req_std : 1; 89*4882a593Smuzhiyun unsigned req_config : 1; 90*4882a593Smuzhiyun unsigned req_pending : 1; 91*4882a593Smuzhiyun u8 vbus; 92*4882a593Smuzhiyun struct dentry *regs_info; 93*4882a593Smuzhiyun int irq; 94*4882a593Smuzhiyun }; 95*4882a593Smuzhiyun #define to_s3c2410(g) (container_of((g), struct s3c2410_udc, gadget)) 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun #endif 98