diff options
Diffstat (limited to 'drivers/usb/gadget/s3c_udc.h')
| -rw-r--r-- | drivers/usb/gadget/s3c_udc.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/usb/gadget/s3c_udc.h b/drivers/usb/gadget/s3c_udc.h new file mode 100644 index 0000000..a75f8f2 --- /dev/null +++ b/drivers/usb/gadget/s3c_udc.h @@ -0,0 +1,156 @@ +/* + * 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 |