[people/ms/u-boot.git] / include / usb / s3c_udc.h

/*
 * drivers/usb/gadget/s3c_udc.h
 * Samsung S3C on-chip full/high speed USB device controllers
 * Copyright (C) 2005 for Samsung Electronics
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __S3C_USB_GADGET
#define __S3C_USB_GADGET

#include <asm/errno.h>
#include <linux/sizes.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	(16*SZ_1K)

#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;

	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;
	unsigned int	usb_gusbcfg;
};
#endif
Commit	Line	Data
38517a78 ŁM	1	/*
	2	* drivers/usb/gadget/s3c_udc.h
	3	* Samsung S3C on-chip full/high speed USB device controllers
	4	* Copyright (C) 2005 for Samsung Electronics
	5	*
1a459660	6	* SPDX-License-Identifier: GPL-2.0+
38517a78 ŁM	7	*/
	8
	9	#ifndef __S3C_USB_GADGET
	10	#define __S3C_USB_GADGET
	11
	12	#include <asm/errno.h>
1ace4022	13	#include <linux/sizes.h>
38517a78 ŁM	14	#include <linux/usb/ch9.h>
	15	#include <linux/usb/gadget.h>
	16	#include <linux/list.h>
	17	#include <usb/lin_gadget_compat.h>
	18
	19	#define PHY0_SLEEP (1 << 5)
	20
	21	/-------------------------------------------------------------------------/
	22	/* DMA bounce buffer size, 16K is enough even for mass storage */
e0059eae	23	#define DMA_BUFFER_SIZE (16*SZ_1K)
38517a78 ŁM	24
	25	#define EP0_FIFO_SIZE 64
	26	#define EP_FIFO_SIZE 512
	27	#define EP_FIFO_SIZE2 1024
	28	/* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */
	29	#define S3C_MAX_ENDPOINTS 4
	30	#define S3C_MAX_HW_ENDPOINTS 16
	31
	32	#define WAIT_FOR_SETUP 0
	33	#define DATA_STATE_XMIT 1
	34	#define DATA_STATE_NEED_ZLP 2
	35	#define WAIT_FOR_OUT_STATUS 3
	36	#define DATA_STATE_RECV 4
	37	#define WAIT_FOR_COMPLETE 5
	38	#define WAIT_FOR_OUT_COMPLETE 6
	39	#define WAIT_FOR_IN_COMPLETE 7
	40	#define WAIT_FOR_NULL_COMPLETE 8
	41
	42	#define TEST_J_SEL 0x1
	43	#define TEST_K_SEL 0x2
	44	#define TEST_SE0_NAK_SEL 0x3
	45	#define TEST_PACKET_SEL 0x4
	46	#define TEST_FORCE_ENABLE_SEL 0x5
	47
	48	/* ************************************************************************* */
	49	/* IO
	50	*/
	51
	52	enum ep_type {
	53	ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
	54	};
	55
	56	struct s3c_ep {
	57	struct usb_ep ep;
	58	struct s3c_udc *dev;
	59
	60	const struct usb_endpoint_descriptor *desc;
	61	struct list_head queue;
	62	unsigned long pio_irqs;
	63	int len;
	64	void *dma_buf;
	65
	66	u8 stopped;
	67	u8 bEndpointAddress;
	68	u8 bmAttributes;
	69
	70	enum ep_type ep_type;
	71	int fifo_num;
	72	};
	73
	74	struct s3c_request {
	75	struct usb_request req;
	76	struct list_head queue;
	77	};
	78
	79	struct s3c_udc {
	80	struct usb_gadget gadget;
	81	struct usb_gadget_driver *driver;
	82
	83	struct s3c_plat_otg_data *pdata;
	84
38517a78 ŁM	85	int ep0state;
	86	struct s3c_ep ep[S3C_MAX_ENDPOINTS];
	87
	88	unsigned char usb_address;
	89
7cf7beff	90	unsigned req_pending:1, req_std:1;
38517a78 ŁM	91	};
	92
	93	extern struct s3c_udc *the_controller;
	94
	95	#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN)
	96	#define ep_index(EP) ((EP)->bEndpointAddress&0xF)
	97	#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
	98
38517a78 ŁM	99	extern void otg_phy_init(struct s3c_udc *dev);
	100	extern void otg_phy_off(struct s3c_udc *dev);
	101
	102	extern void s3c_udc_ep_set_stall(struct s3c_ep *ep);
	103	extern int s3c_udc_probe(struct s3c_plat_otg_data *pdata);
	104
	105	struct s3c_plat_otg_data {
	106	int (*phy_control)(int on);
	107	unsigned int regs_phy;
	108	unsigned int regs_otg;
	109	unsigned int usb_phy_ctrl;
	110	unsigned int usb_flags;
481a11c5	111	unsigned int usb_gusbcfg;
38517a78 ŁM	112	};
38517a78 ŁM	113	#endif