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/*
* 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 <linux/module.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/types.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/timer.h>
#include <linux/list.h>
#include <linux/interrupt.h>
#include <linux/proc_fs.h>
#include <linux/mm.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <asm/byteorder.h>
#include <asm/dma.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/unaligned.h>
#include <linux/wakelock.h>
/* Max packet size */
#if defined(CONFIG_USB_GADGET_S3C_FS)
#define EP0_FIFO_SIZE 8
#define EP_FIFO_SIZE 64
#define S3C_MAX_ENDPOINTS 5
#elif defined(CONFIG_USB_GADGET_S3C_HS) || defined(CONFIG_PLAT_S5P64XX)\
|| defined(CONFIG_PLAT_S5PC11X) || defined(CONFIG_CPU_S5P6442)\
|| defined(CONFIG_CPU_S5P6450) || defined(CONFIG_CPU_S5PV310)\
|| defined(CONFIG_ARCH_EXYNOS)
#define EP0_FIFO_SIZE 64
#define EP_FIFO_SIZE 512
#define EP_FIFO_SIZE2 1024
#define S3C_MAX_ENDPOINTS 16
#define DED_TX_FIFO 1 /* Dedicated NPTx fifo for s5p6440 */
#else
#define EP0_FIFO_SIZE 64
#define EP_FIFO_SIZE 512
#define EP_FIFO_SIZE2 1024
#define S3C_MAX_ENDPOINTS 16
#endif
#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 RegReadErr 5
#define FAIL_TO_SETUP 6
#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
*/
typedef enum ep_type {
ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
} ep_type_t;
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;
u8 stopped;
u8 bEndpointAddress;
u8 bmAttributes;
ep_type_t ep_type;
u32 fifo;
#ifdef CONFIG_USB_GADGET_S3C_FS
u32 csr1;
u32 csr2;
#endif
};
struct s3c_request {
struct usb_request req;
struct list_head queue;
unsigned char mapped;
unsigned written_bytes;
};
struct s3c_udc {
struct usb_gadget gadget;
struct usb_gadget_driver *driver;
struct platform_device *dev;
struct clk *clk;
spinlock_t lock;
int ep0state;
struct s3c_ep ep[S3C_MAX_ENDPOINTS];
unsigned char usb_address;
struct usb_ctrlrequest *usb_ctrl;
dma_addr_t usb_ctrl_dma;
void __iomem *regs;
struct resource *regs_res;
unsigned int irq;
unsigned req_pending:1, req_std:1, req_config:1;
struct wake_lock usbd_wake_lock;
struct wake_lock usb_cb_wake_lock;
int udc_enabled;
};
extern struct s3c_udc *the_controller;
extern void samsung_cable_check_status(int flag);
#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)
#endif
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