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, 354 deletions

diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
deleted file mode 100644
index a70706e..0000000
--- a/drivers/usb/gadget/atmel_usba_udc.h
+++ /dev/null
@@ -1,354 +0,0 @@
-/*
- * Driver for the Atmel USBA high speed USB device controller
- *
- * Copyright (C) 2005-2007 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __LINUX_USB_GADGET_USBA_UDC_H__
-#define __LINUX_USB_GADGET_USBA_UDC_H__
-
-/* USB register offsets */
-#define USBA_CTRL				0x0000
-#define USBA_FNUM				0x0004
-#define USBA_INT_ENB				0x0010
-#define USBA_INT_STA				0x0014
-#define USBA_INT_CLR				0x0018
-#define USBA_EPT_RST				0x001c
-#define USBA_TST				0x00e0
-
-/* USB endpoint register offsets */
-#define USBA_EPT_CFG				0x0000
-#define USBA_EPT_CTL_ENB			0x0004
-#define USBA_EPT_CTL_DIS			0x0008
-#define USBA_EPT_CTL				0x000c
-#define USBA_EPT_SET_STA			0x0014
-#define USBA_EPT_CLR_STA			0x0018
-#define USBA_EPT_STA				0x001c
-
-/* USB DMA register offsets */
-#define USBA_DMA_NXT_DSC			0x0000
-#define USBA_DMA_ADDRESS			0x0004
-#define USBA_DMA_CONTROL			0x0008
-#define USBA_DMA_STATUS				0x000c
-
-/* Bitfields in CTRL */
-#define USBA_DEV_ADDR_OFFSET			0
-#define USBA_DEV_ADDR_SIZE			7
-#define USBA_FADDR_EN				(1 <<  7)
-#define USBA_EN_USBA				(1 <<  8)
-#define USBA_DETACH				(1 <<  9)
-#define USBA_REMOTE_WAKE_UP			(1 << 10)
-#define USBA_PULLD_DIS				(1 << 11)
-
-#if defined(CONFIG_AVR32)
-#define USBA_ENABLE_MASK			USBA_EN_USBA
-#define USBA_DISABLE_MASK			0
-#elif defined(CONFIG_ARCH_AT91)
-#define USBA_ENABLE_MASK			(USBA_EN_USBA | USBA_PULLD_DIS)
-#define USBA_DISABLE_MASK			USBA_DETACH
-#endif /* CONFIG_ARCH_AT91 */
-
-/* Bitfields in FNUM */
-#define USBA_MICRO_FRAME_NUM_OFFSET		0
-#define USBA_MICRO_FRAME_NUM_SIZE		3
-#define USBA_FRAME_NUMBER_OFFSET		3
-#define USBA_FRAME_NUMBER_SIZE			11
-#define USBA_FRAME_NUM_ERROR			(1 << 31)
-
-/* Bitfields in INT_ENB/INT_STA/INT_CLR */
-#define USBA_HIGH_SPEED				(1 <<  0)
-#define USBA_DET_SUSPEND			(1 <<  1)
-#define USBA_MICRO_SOF				(1 <<  2)
-#define USBA_SOF				(1 <<  3)
-#define USBA_END_OF_RESET			(1 <<  4)
-#define USBA_WAKE_UP				(1 <<  5)
-#define USBA_END_OF_RESUME			(1 <<  6)
-#define USBA_UPSTREAM_RESUME			(1 <<  7)
-#define USBA_EPT_INT_OFFSET			8
-#define USBA_EPT_INT_SIZE			16
-#define USBA_DMA_INT_OFFSET			24
-#define USBA_DMA_INT_SIZE			8
-
-/* Bitfields in EPT_RST */
-#define USBA_RST_OFFSET				0
-#define USBA_RST_SIZE				16
-
-/* Bitfields in USBA_TST */
-#define USBA_SPEED_CFG_OFFSET			0
-#define USBA_SPEED_CFG_SIZE			2
-#define USBA_TST_J_MODE				(1 <<  2)
-#define USBA_TST_K_MODE				(1 <<  3)
-#define USBA_TST_PKT_MODE			(1 <<  4)
-#define USBA_OPMODE2				(1 <<  5)
-
-/* Bitfields in EPT_CFG */
-#define USBA_EPT_SIZE_OFFSET			0
-#define USBA_EPT_SIZE_SIZE			3
-#define USBA_EPT_DIR_IN				(1 <<  3)
-#define USBA_EPT_TYPE_OFFSET			4
-#define USBA_EPT_TYPE_SIZE			2
-#define USBA_BK_NUMBER_OFFSET			6
-#define USBA_BK_NUMBER_SIZE			2
-#define USBA_NB_TRANS_OFFSET			8
-#define USBA_NB_TRANS_SIZE			2
-#define USBA_EPT_MAPPED				(1 << 31)
-
-/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */
-#define USBA_EPT_ENABLE				(1 <<  0)
-#define USBA_AUTO_VALID				(1 <<  1)
-#define USBA_INTDIS_DMA				(1 <<  3)
-#define USBA_NYET_DIS				(1 <<  4)
-#define USBA_DATAX_RX				(1 <<  6)
-#define USBA_MDATA_RX				(1 <<  7)
-/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */
-#define USBA_BUSY_BANK_IE			(1 << 18)
-
-/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */
-#define USBA_FORCE_STALL			(1 <<  5)
-#define USBA_TOGGLE_CLR				(1 <<  6)
-#define USBA_TOGGLE_SEQ_OFFSET			6
-#define USBA_TOGGLE_SEQ_SIZE			2
-#define USBA_ERR_OVFLW				(1 <<  8)
-#define USBA_RX_BK_RDY				(1 <<  9)
-#define USBA_KILL_BANK				(1 <<  9)
-#define USBA_TX_COMPLETE			(1 << 10)
-#define USBA_TX_PK_RDY				(1 << 11)
-#define USBA_ISO_ERR_TRANS			(1 << 11)
-#define USBA_RX_SETUP				(1 << 12)
-#define USBA_ISO_ERR_FLOW			(1 << 12)
-#define USBA_STALL_SENT				(1 << 13)
-#define USBA_ISO_ERR_CRC			(1 << 13)
-#define USBA_ISO_ERR_NBTRANS			(1 << 13)
-#define USBA_NAK_IN				(1 << 14)
-#define USBA_ISO_ERR_FLUSH			(1 << 14)
-#define USBA_NAK_OUT				(1 << 15)
-#define USBA_CURRENT_BANK_OFFSET		16
-#define USBA_CURRENT_BANK_SIZE			2
-#define USBA_BUSY_BANKS_OFFSET			18
-#define USBA_BUSY_BANKS_SIZE			2
-#define USBA_BYTE_COUNT_OFFSET			20
-#define USBA_BYTE_COUNT_SIZE			11
-#define USBA_SHORT_PACKET			(1 << 31)
-
-/* Bitfields in DMA_CONTROL */
-#define USBA_DMA_CH_EN				(1 <<  0)
-#define USBA_DMA_LINK				(1 <<  1)
-#define USBA_DMA_END_TR_EN			(1 <<  2)
-#define USBA_DMA_END_BUF_EN			(1 <<  3)
-#define USBA_DMA_END_TR_IE			(1 <<  4)
-#define USBA_DMA_END_BUF_IE			(1 <<  5)
-#define USBA_DMA_DESC_LOAD_IE			(1 <<  6)
-#define USBA_DMA_BURST_LOCK			(1 <<  7)
-#define USBA_DMA_BUF_LEN_OFFSET			16
-#define USBA_DMA_BUF_LEN_SIZE			16
-
-/* Bitfields in DMA_STATUS */
-#define USBA_DMA_CH_ACTIVE			(1 <<  1)
-#define USBA_DMA_END_TR_ST			(1 <<  4)
-#define USBA_DMA_END_BUF_ST			(1 <<  5)
-#define USBA_DMA_DESC_LOAD_ST			(1 <<  6)
-
-/* Constants for SPEED_CFG */
-#define USBA_SPEED_CFG_NORMAL			0
-#define USBA_SPEED_CFG_FORCE_HIGH		2
-#define USBA_SPEED_CFG_FORCE_FULL		3
-
-/* Constants for EPT_SIZE */
-#define USBA_EPT_SIZE_8				0
-#define USBA_EPT_SIZE_16			1
-#define USBA_EPT_SIZE_32			2
-#define USBA_EPT_SIZE_64			3
-#define USBA_EPT_SIZE_128			4
-#define USBA_EPT_SIZE_256			5
-#define USBA_EPT_SIZE_512			6
-#define USBA_EPT_SIZE_1024			7
-
-/* Constants for EPT_TYPE */
-#define USBA_EPT_TYPE_CONTROL			0
-#define USBA_EPT_TYPE_ISO			1
-#define USBA_EPT_TYPE_BULK			2
-#define USBA_EPT_TYPE_INT			3
-
-/* Constants for BK_NUMBER */
-#define USBA_BK_NUMBER_ZERO			0
-#define USBA_BK_NUMBER_ONE			1
-#define USBA_BK_NUMBER_DOUBLE			2
-#define USBA_BK_NUMBER_TRIPLE			3
-
-/* Bit manipulation macros */
-#define USBA_BF(name, value)					\
-	(((value) & ((1 << USBA_##name##_SIZE) - 1))		\
-	 << USBA_##name##_OFFSET)
-#define USBA_BFEXT(name, value)					\
-	(((value) >> USBA_##name##_OFFSET)			\
-	 & ((1 << USBA_##name##_SIZE) - 1))
-#define USBA_BFINS(name, value, old)				\
-	(((old) & ~(((1 << USBA_##name##_SIZE) - 1)		\
-		    << USBA_##name##_OFFSET))			\
-	 | USBA_BF(name, value))
-
-/* Register access macros */
-#define usba_readl(udc, reg)					\
-	__raw_readl((udc)->regs + USBA_##reg)
-#define usba_writel(udc, reg, value)				\
-	__raw_writel((value), (udc)->regs + USBA_##reg)
-#define usba_ep_readl(ep, reg)					\
-	__raw_readl((ep)->ep_regs + USBA_EPT_##reg)
-#define usba_ep_writel(ep, reg, value)				\
-	__raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
-#define usba_dma_readl(ep, reg)					\
-	__raw_readl((ep)->dma_regs + USBA_DMA_##reg)
-#define usba_dma_writel(ep, reg, value)				\
-	__raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
-
-/* Calculate base address for a given endpoint or DMA controller */
-#define USBA_EPT_BASE(x)	(0x100 + (x) * 0x20)
-#define USBA_DMA_BASE(x)	(0x300 + (x) * 0x10)
-#define USBA_FIFO_BASE(x)	((x) << 16)
-
-/* Synth parameters */
-#define USBA_NR_DMAS		7
-
-#define EP0_FIFO_SIZE		64
-#define EP0_EPT_SIZE		USBA_EPT_SIZE_64
-#define EP0_NR_BANKS		1
-
-#define FIFO_IOMEM_ID	0
-#define CTRL_IOMEM_ID	1
-
-#define DBG_ERR		0x0001	/* report all error returns */
-#define DBG_HW		0x0002	/* debug hardware initialization */
-#define DBG_GADGET	0x0004	/* calls to/from gadget driver */
-#define DBG_INT		0x0008	/* interrupts */
-#define DBG_BUS		0x0010	/* report changes in bus state */
-#define DBG_QUEUE	0x0020  /* debug request queue processing */
-#define DBG_FIFO	0x0040  /* debug FIFO contents */
-#define DBG_DMA		0x0080  /* debug DMA handling */
-#define DBG_REQ		0x0100	/* print out queued request length */
-#define DBG_ALL		0xffff
-#define DBG_NONE	0x0000
-
-#define DEBUG_LEVEL	(DBG_ERR)
-
-#define DBG(level, fmt, ...)					\
-	do {							\
-		if ((level) & DEBUG_LEVEL)			\
-			pr_debug("udc: " fmt, ## __VA_ARGS__);	\
-	} while (0)
-
-enum usba_ctrl_state {
-	WAIT_FOR_SETUP,
-	DATA_STAGE_IN,
-	DATA_STAGE_OUT,
-	STATUS_STAGE_IN,
-	STATUS_STAGE_OUT,
-	STATUS_STAGE_ADDR,
-	STATUS_STAGE_TEST,
-};
-/*
-  EP_STATE_IDLE,
-  EP_STATE_SETUP,
-  EP_STATE_IN_DATA,
-  EP_STATE_OUT_DATA,
-  EP_STATE_SET_ADDR_STATUS,
-  EP_STATE_RX_STATUS,
-  EP_STATE_TX_STATUS,
-  EP_STATE_HALT,
-*/
-
-struct usba_dma_desc {
-	dma_addr_t next;
-	dma_addr_t addr;
-	u32 ctrl;
-};
-
-struct usba_ep {
-	int					state;
-	void __iomem				*ep_regs;
-	void __iomem				*dma_regs;
-	void __iomem				*fifo;
-	struct usb_ep				ep;
-	struct usba_udc				*udc;
-
-	struct list_head			queue;
-
-	u16					fifo_size;
-	u8					nr_banks;
-	u8					index;
-	unsigned int				can_dma:1;
-	unsigned int				can_isoc:1;
-	unsigned int				is_isoc:1;
-	unsigned int				is_in:1;
-
-#ifdef CONFIG_USB_GADGET_DEBUG_FS
-	u32					last_dma_status;
-	struct dentry				*debugfs_dir;
-	struct dentry				*debugfs_queue;
-	struct dentry				*debugfs_dma_status;
-	struct dentry				*debugfs_state;
-#endif
-};
-
-struct usba_request {
-	struct usb_request			req;
-	struct list_head			queue;
-
-	u32					ctrl;
-
-	unsigned int				submitted:1;
-	unsigned int				last_transaction:1;
-	unsigned int				using_dma:1;
-	unsigned int				mapped:1;
-};
-
-struct usba_udc {
-	/* Protect hw registers from concurrent modifications */
-	spinlock_t lock;
-
-	void __iomem *regs;
-	void __iomem *fifo;
-
-	struct usb_gadget gadget;
-	struct usb_gadget_driver *driver;
-	struct platform_device *pdev;
-	int irq;
-	int vbus_pin;
-	int vbus_pin_inverted;
-	int num_ep;
-	struct clk *pclk;
-	struct clk *hclk;
-	struct usba_ep *usba_ep;
-
-	u16 devstatus;
-
-	u16 test_mode;
-	int vbus_prev;
-
-#ifdef CONFIG_USB_GADGET_DEBUG_FS
-	struct dentry *debugfs_root;
-	struct dentry *debugfs_regs;
-#endif
-};
-
-static inline struct usba_ep *to_usba_ep(struct usb_ep *ep)
-{
-	return container_of(ep, struct usba_ep, ep);
-}
-
-static inline struct usba_request *to_usba_req(struct usb_request *req)
-{
-	return container_of(req, struct usba_request, req);
-}
-
-static inline struct usba_udc *to_usba_udc(struct usb_gadget *gadget)
-{
-	return container_of(gadget, struct usba_udc, gadget);
-}
-
-#define ep_is_control(ep)	((ep)->index == 0)
-#define ep_is_idle(ep)		((ep)->state == EP_STATE_IDLE)
-
-#endif /* __LINUX_USB_GADGET_USBA_UDC_H */