diff options
Diffstat (limited to 'drivers/usb/gadget/s3c-udc.h')
| -rw-r--r-- | drivers/usb/gadget/s3c-udc.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/usb/gadget/s3c-udc.h b/drivers/usb/gadget/s3c-udc.h new file mode 100644 index 00000000000..2eda34d3d12 --- /dev/null +++ b/drivers/usb/gadget/s3c-udc.h @@ -0,0 +1,131 @@ +/* + * drivers/usb/gadget/s3c-udc.h + * Samsung S3C on-chip full/high speed USB device controllers + * + * Copyright (C) 2008 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * + * 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_UDC_H +#define __S3C_UDC_H + +#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 <asm/byteorder.h> +#include <linux/io.h> +#include <asm/dma.h> +#include <asm/irq.h> +#include <asm/system.h> +#include <asm/unaligned.h> +#include <mach/hardware.h> + +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.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) +#define EP0_FIFO_SIZE 64 +#define EP_FIFO_SIZE 512 +#define EP_FIFO_SIZE2 1024 +#define S3C_MAX_ENDPOINTS 9 +#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 + +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; + + u8 stopped; + u8 bEndpointAddress; + u8 bmAttributes; + + u32 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; +}; + +struct s3c_udc { + struct usb_gadget gadget; + struct usb_gadget_driver *driver; + struct platform_device *dev; + spinlock_t lock; + + int phyclk; + int ep0state; + struct s3c_ep ep[S3C_MAX_ENDPOINTS]; + + unsigned char usb_address; + + unsigned req_pending:1; + unsigned req_std:1; + unsigned req_config: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) + +#endif |