/* * drivers/usb/gadget/s3c_udc.h * Samsung S3C on-chip full/high speed USB device controllers * Copyright (C) 2005 for Samsung Electronics * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __S3C_USB_GADGET #define __S3C_USB_GADGET #include <asm/errno.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/list.h> #include <usb/lin_gadget_compat.h> #define PHY0_SLEEP (1 << 5) /*-------------------------------------------------------------------------*/ /* DMA bounce buffer size, 16K is enough even for mass storage */ #define DMA_BUFFER_SIZE (4096*4) #define EP0_FIFO_SIZE 64 #define EP_FIFO_SIZE 512 #define EP_FIFO_SIZE2 1024 /* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */ #define S3C_MAX_ENDPOINTS 4 #define S3C_MAX_HW_ENDPOINTS 16 #define WAIT_FOR_SETUP 0 #define DATA_STATE_XMIT 1 #define DATA_STATE_NEED_ZLP 2 #define WAIT_FOR_OUT_STATUS 3 #define DATA_STATE_RECV 4 #define WAIT_FOR_COMPLETE 5 #define WAIT_FOR_OUT_COMPLETE 6 #define WAIT_FOR_IN_COMPLETE 7 #define WAIT_FOR_NULL_COMPLETE 8 #define TEST_J_SEL 0x1 #define TEST_K_SEL 0x2 #define TEST_SE0_NAK_SEL 0x3 #define TEST_PACKET_SEL 0x4 #define TEST_FORCE_ENABLE_SEL 0x5 /* ************************************************************************* */ /* IO */ enum ep_type { ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt }; struct s3c_ep { struct usb_ep ep; struct s3c_udc *dev; const struct usb_endpoint_descriptor *desc; struct list_head queue; unsigned long pio_irqs; int len; void *dma_buf; u8 stopped; u8 bEndpointAddress; u8 bmAttributes; enum ep_type ep_type; int fifo_num; }; struct s3c_request { struct usb_request req; struct list_head queue; }; struct s3c_udc { struct usb_gadget gadget; struct usb_gadget_driver *driver; struct s3c_plat_otg_data *pdata; void *dma_buf[S3C_MAX_ENDPOINTS+1]; dma_addr_t dma_addr[S3C_MAX_ENDPOINTS+1]; int ep0state; struct s3c_ep ep[S3C_MAX_ENDPOINTS]; unsigned char usb_address; unsigned req_pending:1, req_std:1; }; extern struct s3c_udc *the_controller; #define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN) #define ep_index(EP) ((EP)->bEndpointAddress&0xF) #define ep_maxpacket(EP) ((EP)->ep.maxpacket) extern void otg_phy_init(struct s3c_udc *dev); extern void otg_phy_off(struct s3c_udc *dev); extern void s3c_udc_ep_set_stall(struct s3c_ep *ep); extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata); struct s3c_plat_otg_data { int (*phy_control)(int on); unsigned int regs_phy; unsigned int regs_otg; unsigned int usb_phy_ctrl; unsigned int usb_flags; }; #endif