usb: gadget: Gadget directory cleanup - group UDC drivers

The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the UDC drivers into a separate directory.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 0 insertions, 421 deletions

diff --git a/drivers/usb/gadget/fsl_qe_udc.h b/drivers/usb/gadget/fsl_qe_udc.h
deleted file mode 100644
index 7026919..0000000
--- a/drivers/usb/gadget/fsl_qe_udc.h
+++ /dev/null
@@ -1,421 +0,0 @@
-/*
- * drivers/usb/gadget/qe_udc.h
- *
- * Copyright (C) 2006-2008 Freescale Semiconductor, Inc. All rights reserved.
- *
- * 	Xiaobo Xie <X.Xie@freescale.com>
- * 	Li Yang <leoli@freescale.com>
- *
- * Description:
- * Freescale USB device/endpoint management registers
- *
- * 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.
- */
-
-#ifndef __FSL_QE_UDC_H
-#define __FSL_QE_UDC_H
-
-/* SoC type */
-#define PORT_CPM	0
-#define PORT_QE		1
-
-#define USB_MAX_ENDPOINTS               4
-#define USB_MAX_PIPES                   USB_MAX_ENDPOINTS
-#define USB_EP0_MAX_SIZE		64
-#define USB_MAX_CTRL_PAYLOAD            0x4000
-#define USB_BDRING_LEN			16
-#define USB_BDRING_LEN_RX		256
-#define USB_BDRING_LEN_TX		16
-#define MIN_EMPTY_BDS			128
-#define MAX_DATA_BDS			8
-#define USB_CRC_SIZE			2
-#define USB_DIR_BOTH			0x88
-#define R_BUF_MAXSIZE			0x800
-#define USB_EP_PARA_ALIGNMENT		32
-
-/* USB Mode Register bit define */
-#define USB_MODE_EN		0x01
-#define USB_MODE_HOST		0x02
-#define USB_MODE_TEST		0x04
-#define USB_MODE_SFTE		0x08
-#define USB_MODE_RESUME		0x40
-#define USB_MODE_LSS		0x80
-
-/* USB Slave Address Register Mask */
-#define USB_SLVADDR_MASK	0x7F
-
-/* USB Endpoint register define */
-#define USB_EPNUM_MASK		0xF000
-#define USB_EPNUM_SHIFT		12
-
-#define USB_TRANS_MODE_SHIFT	8
-#define USB_TRANS_CTR		0x0000
-#define USB_TRANS_INT		0x0100
-#define USB_TRANS_BULK		0x0200
-#define USB_TRANS_ISO		0x0300
-
-#define USB_EP_MF		0x0020
-#define USB_EP_RTE		0x0010
-
-#define USB_THS_SHIFT		2
-#define USB_THS_MASK		0x000c
-#define USB_THS_NORMAL		0x0
-#define USB_THS_IGNORE_IN	0x0004
-#define USB_THS_NACK		0x0008
-#define USB_THS_STALL		0x000c
-
-#define USB_RHS_SHIFT   	0
-#define USB_RHS_MASK		0x0003
-#define USB_RHS_NORMAL  	0x0
-#define USB_RHS_IGNORE_OUT	0x0001
-#define USB_RHS_NACK		0x0002
-#define USB_RHS_STALL		0x0003
-
-#define USB_RTHS_MASK		0x000f
-
-/* USB Command Register define */
-#define USB_CMD_STR_FIFO	0x80
-#define USB_CMD_FLUSH_FIFO	0x40
-#define USB_CMD_ISFT		0x20
-#define USB_CMD_DSFT		0x10
-#define USB_CMD_EP_MASK		0x03
-
-/* USB Event and Mask Register define */
-#define USB_E_MSF_MASK		0x0800
-#define USB_E_SFT_MASK		0x0400
-#define USB_E_RESET_MASK	0x0200
-#define USB_E_IDLE_MASK		0x0100
-#define USB_E_TXE4_MASK		0x0080
-#define USB_E_TXE3_MASK		0x0040
-#define USB_E_TXE2_MASK		0x0020
-#define USB_E_TXE1_MASK		0x0010
-#define USB_E_SOF_MASK		0x0008
-#define USB_E_BSY_MASK		0x0004
-#define USB_E_TXB_MASK		0x0002
-#define USB_E_RXB_MASK		0x0001
-#define USBER_ALL_CLEAR 	0x0fff
-
-#define USB_E_DEFAULT_DEVICE   (USB_E_RESET_MASK | USB_E_TXE4_MASK | \
-				USB_E_TXE3_MASK | USB_E_TXE2_MASK | \
-				USB_E_TXE1_MASK | USB_E_BSY_MASK | \
-				USB_E_TXB_MASK | USB_E_RXB_MASK)
-
-#define USB_E_TXE_MASK         (USB_E_TXE4_MASK | USB_E_TXE3_MASK|\
-				 USB_E_TXE2_MASK | USB_E_TXE1_MASK)
-/* USB Status Register define */
-#define USB_IDLE_STATUS_MASK	0x01
-
-/* USB Start of Frame Timer */
-#define USB_USSFT_MASK		0x3FFF
-
-/* USB Frame Number Register */
-#define USB_USFRN_MASK		0xFFFF
-
-struct usb_device_para{
-	u16	epptr[4];
-	u32	rstate;
-	u32	rptr;
-	u16	frame_n;
-	u16	rbcnt;
-	u32	rtemp;
-	u32	rxusb_data;
-	u16	rxuptr;
-	u8	reso[2];
-	u32	softbl;
-	u8	sofucrctemp;
-};
-
-struct usb_ep_para{
-	u16	rbase;
-	u16	tbase;
-	u8	rbmr;
-	u8	tbmr;
-	u16	mrblr;
-	u16	rbptr;
-	u16	tbptr;
-	u32	tstate;
-	u32	tptr;
-	u16	tcrc;
-	u16	tbcnt;
-	u32	ttemp;
-	u16	txusbu_ptr;
-	u8	reserve[2];
-};
-
-#define USB_BUSMODE_GBL		0x20
-#define USB_BUSMODE_BO_MASK	0x18
-#define USB_BUSMODE_BO_SHIFT	0x3
-#define USB_BUSMODE_BE		0x2
-#define USB_BUSMODE_CETM	0x04
-#define USB_BUSMODE_DTB		0x02
-
-/* Endpoint basic handle */
-#define ep_index(EP)		((EP)->ep.desc->bEndpointAddress & 0xF)
-#define ep_maxpacket(EP)	((EP)->ep.maxpacket)
-#define ep_is_in(EP)	((ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
-			USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \
-			& USB_DIR_IN) == USB_DIR_IN)
-
-/* ep0 transfer state */
-#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
-
-/* ep tramsfer mode */
-#define USBP_TM_CTL	0
-#define USBP_TM_ISO	1
-#define USBP_TM_BULK	2
-#define USBP_TM_INT	3
-
-/*-----------------------------------------------------------------------------
-	USB RX And TX DATA Frame
- -----------------------------------------------------------------------------*/
-struct qe_frame{
-	u8 *data;
-	u32 len;
-	u32 status;
-	u32 info;
-
-	void *privdata;
-	struct list_head node;
-};
-
-/* Frame structure, info field. */
-#define PID_DATA0              0x80000000 /* Data toggle zero */
-#define PID_DATA1              0x40000000 /* Data toggle one  */
-#define PID_SETUP              0x20000000 /* setup bit */
-#define SETUP_STATUS           0x10000000 /* setup status bit */
-#define SETADDR_STATUS         0x08000000 /* setupup address status bit */
-#define NO_REQ                 0x04000000 /* Frame without request */
-#define HOST_DATA              0x02000000 /* Host data frame */
-#define FIRST_PACKET_IN_FRAME  0x01000000 /* first packet in the frame */
-#define TOKEN_FRAME            0x00800000 /* Host token frame */
-#define ZLP                    0x00400000 /* Zero length packet */
-#define IN_TOKEN_FRAME         0x00200000 /* In token package */
-#define OUT_TOKEN_FRAME        0x00100000 /* Out token package */
-#define SETUP_TOKEN_FRAME      0x00080000 /* Setup token package */
-#define STALL_FRAME            0x00040000 /* Stall handshake */
-#define NACK_FRAME             0x00020000 /* Nack handshake */
-#define NO_PID                 0x00010000 /* No send PID */
-#define NO_CRC                 0x00008000 /* No send CRC */
-#define HOST_COMMAND           0x00004000 /* Host command frame   */
-
-/* Frame status field */
-/* Receive side */
-#define FRAME_OK               0x00000000 /* Frame transmitted or received OK */
-#define FRAME_ERROR            0x80000000 /* Error occurred on frame */
-#define START_FRAME_LOST       0x40000000 /* START_FRAME_LOST */
-#define END_FRAME_LOST         0x20000000 /* END_FRAME_LOST */
-#define RX_ER_NONOCT           0x10000000 /* Rx Non Octet Aligned Packet */
-#define RX_ER_BITSTUFF         0x08000000 /* Frame Aborted --Received packet
-					     with bit stuff error */
-#define RX_ER_CRC              0x04000000 /* Received packet with CRC error */
-#define RX_ER_OVERUN           0x02000000 /* Over-run occurred on reception */
-#define RX_ER_PID              0x01000000 /* Wrong PID received */
-/* Tranmit side */
-#define TX_ER_NAK              0x00800000 /* Received NAK handshake */
-#define TX_ER_STALL            0x00400000 /* Received STALL handshake */
-#define TX_ER_TIMEOUT          0x00200000 /* Transmit time out */
-#define TX_ER_UNDERUN          0x00100000 /* Transmit underrun */
-#define FRAME_INPROGRESS       0x00080000 /* Frame is being transmitted */
-#define ER_DATA_UNDERUN        0x00040000 /* Frame is shorter then expected */
-#define ER_DATA_OVERUN         0x00020000 /* Frame is longer then expected */
-
-/* QE USB frame operation functions */
-#define frame_get_length(frm) (frm->len)
-#define frame_set_length(frm, leng) (frm->len = leng)
-#define frame_get_data(frm) (frm->data)
-#define frame_set_data(frm, dat) (frm->data = dat)
-#define frame_get_info(frm) (frm->info)
-#define frame_set_info(frm, inf) (frm->info = inf)
-#define frame_get_status(frm) (frm->status)
-#define frame_set_status(frm, stat) (frm->status = stat)
-#define frame_get_privdata(frm) (frm->privdata)
-#define frame_set_privdata(frm, dat) (frm->privdata = dat)
-
-static inline void qe_frame_clean(struct qe_frame *frm)
-{
-	frame_set_data(frm, NULL);
-	frame_set_length(frm, 0);
-	frame_set_status(frm, FRAME_OK);
-	frame_set_info(frm, 0);
-	frame_set_privdata(frm, NULL);
-}
-
-static inline void qe_frame_init(struct qe_frame *frm)
-{
-	qe_frame_clean(frm);
-	INIT_LIST_HEAD(&(frm->node));
-}
-
-struct qe_req {
-	struct usb_request req;
-	struct list_head queue;
-	/* ep_queue() func will add
-	 a request->queue into a udc_ep->queue 'd tail */
-	struct qe_ep *ep;
-	unsigned mapped:1;
-};
-
-struct qe_ep {
-	struct usb_ep ep;
-	struct list_head queue;
-	struct qe_udc *udc;
-	struct usb_gadget *gadget;
-
-	u8 state;
-
-	struct qe_bd __iomem *rxbase;
-	struct qe_bd __iomem *n_rxbd;
-	struct qe_bd __iomem *e_rxbd;
-
-	struct qe_bd __iomem *txbase;
-	struct qe_bd __iomem *n_txbd;
-	struct qe_bd __iomem *c_txbd;
-
-	struct qe_frame *rxframe;
-	u8 *rxbuffer;
-	dma_addr_t rxbuf_d;
-	u8 rxbufmap;
-	unsigned char localnack;
-	int has_data;
-
-	struct qe_frame *txframe;
-	struct qe_req *tx_req;
-	int sent;  /*data already sent */
-	int last;  /*data sent in the last time*/
-
-	u8 dir;
-	u8 epnum;
-	u8 tm; /* transfer mode */
-	u8 data01;
-	u8 init;
-
-	u8 already_seen;
-	u8 enable_tasklet;
-	u8 setup_stage;
-	u32 last_io;            /* timestamp */
-
-	char name[14];
-
-	unsigned double_buf:1;
-	unsigned stopped:1;
-	unsigned fnf:1;
-	unsigned has_dma:1;
-
-	u8 ackwait;
-	u8 dma_channel;
-	u16 dma_counter;
-	int lch;
-
-	struct timer_list timer;
-};
-
-struct qe_udc {
-	struct usb_gadget gadget;
-	struct usb_gadget_driver *driver;
-	struct device *dev;
-	struct qe_ep eps[USB_MAX_ENDPOINTS];
-	struct usb_ctrlrequest local_setup_buff;
-	spinlock_t lock;	/* lock for set/config qe_udc */
-	unsigned long soc_type;		/* QE or CPM soc */
-
-	struct qe_req *status_req;	/* ep0 status request */
-
-	/* USB and EP Parameter Block pointer */
-	struct usb_device_para __iomem *usb_param;
-	struct usb_ep_para __iomem *ep_param[4];
-
-	u32 max_pipes;          /* Device max pipes */
-	u32 max_use_endpts;     /* Max endpointes to be used */
-	u32 bus_reset;          /* Device is bus reseting */
-	u32 resume_state;       /* USB state to resume*/
-	u32 usb_state;          /* USB current state */
-	u32 usb_next_state;     /* USB next state */
-	u32 ep0_state;          /* Enpoint zero state */
-	u32 ep0_dir;            /* Enpoint zero direction: can be
-				USB_DIR_IN or USB_DIR_OUT*/
-	u32 usb_sof_count;      /* SOF count */
-	u32 errors;             /* USB ERRORs count */
-
-	u8 *tmpbuf;
-	u32 c_start;
-	u32 c_end;
-
-	u8 *nullbuf;
-	u8 *statusbuf;
-	dma_addr_t nullp;
-	u8 nullmap;
-	u8 device_address;	/* Device USB address */
-
-	unsigned int usb_clock;
-	unsigned int usb_irq;
-	struct usb_ctlr __iomem *usb_regs;
-
-	struct tasklet_struct rx_tasklet;
-
-	struct completion *done;	/* to make sure release() is done */
-};
-
-#define EP_STATE_IDLE	0
-#define EP_STATE_NACK	1
-#define EP_STATE_STALL	2
-
-/*
- * transmit BD's status
- */
-#define T_R           0x80000000         /* ready bit */
-#define T_W           0x20000000         /* wrap bit */
-#define T_I           0x10000000         /* interrupt on completion */
-#define T_L           0x08000000         /* last */
-#define T_TC          0x04000000         /* transmit CRC */
-#define T_CNF         0x02000000         /* wait for  transmit confirm */
-#define T_LSP         0x01000000         /* Low-speed transaction */
-#define T_PID         0x00c00000         /* packet id */
-#define T_NAK         0x00100000         /* No ack. */
-#define T_STAL        0x00080000         /* Stall received */
-#define T_TO          0x00040000         /* time out */
-#define T_UN          0x00020000         /* underrun */
-
-#define DEVICE_T_ERROR    (T_UN | T_TO)
-#define HOST_T_ERROR      (T_UN | T_TO | T_NAK | T_STAL)
-#define DEVICE_T_BD_MASK  DEVICE_T_ERROR
-#define HOST_T_BD_MASK    HOST_T_ERROR
-
-#define T_PID_SHIFT   6
-#define T_PID_DATA0   0x00800000         /* Data 0 toggle */
-#define T_PID_DATA1   0x00c00000         /* Data 1 toggle */
-
-/*
- * receive BD's status
- */
-#define R_E           0x80000000         /* buffer empty */
-#define R_W           0x20000000         /* wrap bit */
-#define R_I           0x10000000         /* interrupt on reception */
-#define R_L           0x08000000         /* last */
-#define R_F           0x04000000         /* first */
-#define R_PID         0x00c00000         /* packet id */
-#define R_NO          0x00100000         /* Rx Non Octet Aligned Packet */
-#define R_AB          0x00080000         /* Frame Aborted */
-#define R_CR          0x00040000         /* CRC Error */
-#define R_OV          0x00020000         /* Overrun */
-
-#define R_ERROR       (R_NO | R_AB | R_CR | R_OV)
-#define R_BD_MASK     R_ERROR
-
-#define R_PID_DATA0   0x00000000
-#define R_PID_DATA1   0x00400000
-#define R_PID_SETUP   0x00800000
-
-#define CPM_USB_STOP_TX 0x2e600000
-#define CPM_USB_RESTART_TX 0x2e600000
-#define CPM_USB_STOP_TX_OPCODE 0x0a
-#define CPM_USB_RESTART_TX_OPCODE 0x0b
-#define CPM_USB_EP_SHIFT 5
-
-#endif  /* __FSL_QE_UDC_H */