cregit-Linux how code gets into the kernel

Release 4.11 drivers/usb/gadget/udc/fsl_usb2_udc.h

/*
 * Copyright (C) 2004,2012 Freescale Semiconductor, Inc
 * All rights reserved.
 *
 * 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.
 *
 * Freescale USB device/endpoint management registers
 */
#ifndef __FSL_USB2_UDC_H

#define __FSL_USB2_UDC_H

#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>

/* ### define USB registers here
 */

#define USB_MAX_CTRL_PAYLOAD		64

#define USB_DR_SYS_OFFSET		0x400

 /* USB DR device mode registers (Little Endian) */

struct usb_dr_device {
	/* Capability register */
	
u8 res1[256];
	
u16 caplength;		/* Capability Register Length */
	
u16 hciversion;		/* Host Controller Interface Version */
	
u32 hcsparams;		/* Host Controller Structural Parameters */
	
u32 hccparams;		/* Host Controller Capability Parameters */
	
u8 res2[20];
	
u32 dciversion;		/* Device Controller Interface Version */
	
u32 dccparams;		/* Device Controller Capability Parameters */
	
u8 res3[24];
	/* Operation register */
	
u32 usbcmd;		/* USB Command Register */
	
u32 usbsts;		/* USB Status Register */
	
u32 usbintr;		/* USB Interrupt Enable Register */
	
u32 frindex;		/* Frame Index Register */
	
u8 res4[4];
	
u32 deviceaddr;		/* Device Address */
	
u32 endpointlistaddr;	/* Endpoint List Address Register */
	
u8 res5[4];
	
u32 burstsize;		/* Master Interface Data Burst Size Register */
	
u32 txttfilltuning;	/* Transmit FIFO Tuning Controls Register */
	
u8 res6[24];
	
u32 configflag;		/* Configure Flag Register */
	
u32 portsc1;		/* Port 1 Status and Control Register */
	
u8 res7[28];
	
u32 otgsc;		/* On-The-Go Status and Control */
	
u32 usbmode;		/* USB Mode Register */
	
u32 endptsetupstat;	/* Endpoint Setup Status Register */
	
u32 endpointprime;	/* Endpoint Initialization Register */
	
u32 endptflush;		/* Endpoint Flush Register */
	
u32 endptstatus;	/* Endpoint Status Register */
	
u32 endptcomplete;	/* Endpoint Complete Register */
	
u32 endptctrl[6];	/* Endpoint Control Registers */
};

 /* USB DR host mode registers (Little Endian) */

struct usb_dr_host {
	/* Capability register */
	
u8 res1[256];
	
u16 caplength;		/* Capability Register Length */
	
u16 hciversion;		/* Host Controller Interface Version */
	
u32 hcsparams;		/* Host Controller Structural Parameters */
	
u32 hccparams;		/* Host Controller Capability Parameters */
	
u8 res2[20];
	
u32 dciversion;		/* Device Controller Interface Version */
	
u32 dccparams;		/* Device Controller Capability Parameters */
	
u8 res3[24];
	/* Operation register */
	
u32 usbcmd;		/* USB Command Register */
	
u32 usbsts;		/* USB Status Register */
	
u32 usbintr;		/* USB Interrupt Enable Register */
	
u32 frindex;		/* Frame Index Register */
	
u8 res4[4];
	
u32 periodiclistbase;	/* Periodic Frame List Base Address Register */
	
u32 asynclistaddr;	/* Current Asynchronous List Address Register */
	
u8 res5[4];
	
u32 burstsize;		/* Master Interface Data Burst Size Register */
	
u32 txttfilltuning;	/* Transmit FIFO Tuning Controls Register */
	
u8 res6[24];
	
u32 configflag;		/* Configure Flag Register */
	
u32 portsc1;		/* Port 1 Status and Control Register */
	
u8 res7[28];
	
u32 otgsc;		/* On-The-Go Status and Control */
	
u32 usbmode;		/* USB Mode Register */
	
u32 endptsetupstat;	/* Endpoint Setup Status Register */
	
u32 endpointprime;	/* Endpoint Initialization Register */
	
u32 endptflush;		/* Endpoint Flush Register */
	
u32 endptstatus;	/* Endpoint Status Register */
	
u32 endptcomplete;	/* Endpoint Complete Register */
	
u32 endptctrl[6];	/* Endpoint Control Registers */
};

 /* non-EHCI USB system interface registers (Big Endian) */

struct usb_sys_interface {
	
u32 snoop1;
	
u32 snoop2;
	
u32 age_cnt_thresh;	/* Age Count Threshold Register */
	
u32 pri_ctrl;		/* Priority Control Register */
	
u32 si_ctrl;		/* System Interface Control Register */
	
u8 res[236];
	
u32 control;		/* General Purpose Control Register */
};

/* 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

/* Device Controller Capability Parameter register */

#define DCCPARAMS_DC				0x00000080

#define DCCPARAMS_DEN_MASK			0x0000001f

/* Frame Index Register Bit Masks */

#define	USB_FRINDEX_MASKS			0x3fff
/* USB CMD  Register Bit Masks */

#define  USB_CMD_RUN_STOP                     0x00000001

#define  USB_CMD_CTRL_RESET                   0x00000002

#define  USB_CMD_PERIODIC_SCHEDULE_EN         0x00000010

#define  USB_CMD_ASYNC_SCHEDULE_EN            0x00000020

#define  USB_CMD_INT_AA_DOORBELL              0x00000040

#define  USB_CMD_ASP                          0x00000300

#define  USB_CMD_ASYNC_SCH_PARK_EN            0x00000800

#define  USB_CMD_SUTW                         0x00002000

#define  USB_CMD_ATDTW                        0x00004000

#define  USB_CMD_ITC                          0x00FF0000

/* bit 15,3,2 are frame list size */

#define  USB_CMD_FRAME_SIZE_1024              0x00000000

#define  USB_CMD_FRAME_SIZE_512               0x00000004

#define  USB_CMD_FRAME_SIZE_256               0x00000008

#define  USB_CMD_FRAME_SIZE_128               0x0000000C

#define  USB_CMD_FRAME_SIZE_64                0x00008000

#define  USB_CMD_FRAME_SIZE_32                0x00008004

#define  USB_CMD_FRAME_SIZE_16                0x00008008

#define  USB_CMD_FRAME_SIZE_8                 0x0000800C

/* bit 9-8 are async schedule park mode count */

#define  USB_CMD_ASP_00                       0x00000000

#define  USB_CMD_ASP_01                       0x00000100

#define  USB_CMD_ASP_10                       0x00000200

#define  USB_CMD_ASP_11                       0x00000300

#define  USB_CMD_ASP_BIT_POS                  8

/* bit 23-16 are interrupt threshold control */

#define  USB_CMD_ITC_NO_THRESHOLD             0x00000000

#define  USB_CMD_ITC_1_MICRO_FRM              0x00010000

#define  USB_CMD_ITC_2_MICRO_FRM              0x00020000

#define  USB_CMD_ITC_4_MICRO_FRM              0x00040000

#define  USB_CMD_ITC_8_MICRO_FRM              0x00080000

#define  USB_CMD_ITC_16_MICRO_FRM             0x00100000

#define  USB_CMD_ITC_32_MICRO_FRM             0x00200000

#define  USB_CMD_ITC_64_MICRO_FRM             0x00400000

#define  USB_CMD_ITC_BIT_POS                  16

/* USB STS Register Bit Masks */

#define  USB_STS_INT                          0x00000001

#define  USB_STS_ERR                          0x00000002

#define  USB_STS_PORT_CHANGE                  0x00000004

#define  USB_STS_FRM_LST_ROLL                 0x00000008

#define  USB_STS_SYS_ERR                      0x00000010

#define  USB_STS_IAA                          0x00000020

#define  USB_STS_RESET                        0x00000040

#define  USB_STS_SOF                          0x00000080

#define  USB_STS_SUSPEND                      0x00000100

#define  USB_STS_HC_HALTED                    0x00001000

#define  USB_STS_RCL                          0x00002000

#define  USB_STS_PERIODIC_SCHEDULE            0x00004000

#define  USB_STS_ASYNC_SCHEDULE               0x00008000

/* USB INTR Register Bit Masks */

#define  USB_INTR_INT_EN                      0x00000001

#define  USB_INTR_ERR_INT_EN                  0x00000002

#define  USB_INTR_PTC_DETECT_EN               0x00000004

#define  USB_INTR_FRM_LST_ROLL_EN             0x00000008

#define  USB_INTR_SYS_ERR_EN                  0x00000010

#define  USB_INTR_ASYN_ADV_EN                 0x00000020

#define  USB_INTR_RESET_EN                    0x00000040

#define  USB_INTR_SOF_EN                      0x00000080

#define  USB_INTR_DEVICE_SUSPEND              0x00000100

/* Device Address bit masks */

#define  USB_DEVICE_ADDRESS_MASK              0xFE000000

#define  USB_DEVICE_ADDRESS_BIT_POS           25

/* endpoint list address bit masks */

#define USB_EP_LIST_ADDRESS_MASK              0xfffff800

/* PORTSCX  Register Bit Masks */

#define  PORTSCX_CURRENT_CONNECT_STATUS       0x00000001

#define  PORTSCX_CONNECT_STATUS_CHANGE        0x00000002

#define  PORTSCX_PORT_ENABLE                  0x00000004

#define  PORTSCX_PORT_EN_DIS_CHANGE           0x00000008

#define  PORTSCX_OVER_CURRENT_ACT             0x00000010

#define  PORTSCX_OVER_CURRENT_CHG             0x00000020

#define  PORTSCX_PORT_FORCE_RESUME            0x00000040

#define  PORTSCX_PORT_SUSPEND                 0x00000080

#define  PORTSCX_PORT_RESET                   0x00000100

#define  PORTSCX_LINE_STATUS_BITS             0x00000C00

#define  PORTSCX_PORT_POWER                   0x00001000

#define  PORTSCX_PORT_INDICTOR_CTRL           0x0000C000

#define  PORTSCX_PORT_TEST_CTRL               0x000F0000

#define  PORTSCX_WAKE_ON_CONNECT_EN           0x00100000

#define  PORTSCX_WAKE_ON_CONNECT_DIS          0x00200000

#define  PORTSCX_WAKE_ON_OVER_CURRENT         0x00400000

#define  PORTSCX_PHY_LOW_POWER_SPD            0x00800000

#define  PORTSCX_PORT_FORCE_FULL_SPEED        0x01000000

#define  PORTSCX_PORT_SPEED_MASK              0x0C000000

#define  PORTSCX_PORT_WIDTH                   0x10000000

#define  PORTSCX_PHY_TYPE_SEL                 0xC0000000

/* bit 11-10 are line status */

#define  PORTSCX_LINE_STATUS_SE0              0x00000000

#define  PORTSCX_LINE_STATUS_JSTATE           0x00000400

#define  PORTSCX_LINE_STATUS_KSTATE           0x00000800

#define  PORTSCX_LINE_STATUS_UNDEF            0x00000C00

#define  PORTSCX_LINE_STATUS_BIT_POS          10

/* bit 15-14 are port indicator control */

#define  PORTSCX_PIC_OFF                      0x00000000

#define  PORTSCX_PIC_AMBER                    0x00004000

#define  PORTSCX_PIC_GREEN                    0x00008000

#define  PORTSCX_PIC_UNDEF                    0x0000C000

#define  PORTSCX_PIC_BIT_POS                  14

/* bit 19-16 are port test control */

#define  PORTSCX_PTC_DISABLE                  0x00000000

#define  PORTSCX_PTC_JSTATE                   0x00010000

#define  PORTSCX_PTC_KSTATE                   0x00020000

#define  PORTSCX_PTC_SEQNAK                   0x00030000

#define  PORTSCX_PTC_PACKET                   0x00040000

#define  PORTSCX_PTC_FORCE_EN                 0x00050000

#define  PORTSCX_PTC_BIT_POS                  16

/* bit 27-26 are port speed */

#define  PORTSCX_PORT_SPEED_FULL              0x00000000

#define  PORTSCX_PORT_SPEED_LOW               0x04000000

#define  PORTSCX_PORT_SPEED_HIGH              0x08000000

#define  PORTSCX_PORT_SPEED_UNDEF             0x0C000000

#define  PORTSCX_SPEED_BIT_POS                26

/* bit 28 is parallel transceiver width for UTMI interface */

#define  PORTSCX_PTW                          0x10000000

#define  PORTSCX_PTW_8BIT                     0x00000000

#define  PORTSCX_PTW_16BIT                    0x10000000

/* bit 31-30 are port transceiver select */

#define  PORTSCX_PTS_UTMI                     0x00000000

#define  PORTSCX_PTS_ULPI                     0x80000000

#define  PORTSCX_PTS_FSLS                     0xC0000000

#define  PORTSCX_PTS_BIT_POS                  30

/* otgsc Register Bit Masks */

#define  OTGSC_CTRL_VUSB_DISCHARGE            0x00000001

#define  OTGSC_CTRL_VUSB_CHARGE               0x00000002

#define  OTGSC_CTRL_OTG_TERM                  0x00000008

#define  OTGSC_CTRL_DATA_PULSING              0x00000010

#define  OTGSC_STS_USB_ID                     0x00000100

#define  OTGSC_STS_A_VBUS_VALID               0x00000200

#define  OTGSC_STS_A_SESSION_VALID            0x00000400

#define  OTGSC_STS_B_SESSION_VALID            0x00000800

#define  OTGSC_STS_B_SESSION_END              0x00001000

#define  OTGSC_STS_1MS_TOGGLE                 0x00002000

#define  OTGSC_STS_DATA_PULSING               0x00004000

#define  OTGSC_INTSTS_USB_ID                  0x00010000

#define  OTGSC_INTSTS_A_VBUS_VALID            0x00020000

#define  OTGSC_INTSTS_A_SESSION_VALID         0x00040000

#define  OTGSC_INTSTS_B_SESSION_VALID         0x00080000

#define  OTGSC_INTSTS_B_SESSION_END           0x00100000

#define  OTGSC_INTSTS_1MS                     0x00200000

#define  OTGSC_INTSTS_DATA_PULSING            0x00400000

#define  OTGSC_INTR_USB_ID                    0x01000000

#define  OTGSC_INTR_A_VBUS_VALID              0x02000000

#define  OTGSC_INTR_A_SESSION_VALID           0x04000000

#define  OTGSC_INTR_B_SESSION_VALID           0x08000000

#define  OTGSC_INTR_B_SESSION_END             0x10000000

#define  OTGSC_INTR_1MS_TIMER                 0x20000000

#define  OTGSC_INTR_DATA_PULSING              0x40000000

/* USB MODE Register Bit Masks */

#define  USB_MODE_CTRL_MODE_IDLE              0x00000000

#define  USB_MODE_CTRL_MODE_DEVICE            0x00000002

#define  USB_MODE_CTRL_MODE_HOST              0x00000003

#define  USB_MODE_CTRL_MODE_MASK              0x00000003

#define  USB_MODE_CTRL_MODE_RSV               0x00000001

#define  USB_MODE_ES                          0x00000004 
/* Endian Select */

#define  USB_MODE_SETUP_LOCK_OFF              0x00000008

#define  USB_MODE_STREAM_DISABLE              0x00000010
/* Endpoint Flush Register */

#define EPFLUSH_TX_OFFSET		      0x00010000

#define EPFLUSH_RX_OFFSET		      0x00000000

/* Endpoint Setup Status bit masks */

#define  EP_SETUP_STATUS_MASK                 0x0000003F

#define  EP_SETUP_STATUS_EP0		      0x00000001

/* ENDPOINTCTRLx  Register Bit Masks */

#define  EPCTRL_TX_ENABLE                     0x00800000

#define  EPCTRL_TX_DATA_TOGGLE_RST            0x00400000	
/* Not EP0 */

#define  EPCTRL_TX_DATA_TOGGLE_INH            0x00200000	
/* Not EP0 */

#define  EPCTRL_TX_TYPE                       0x000C0000

#define  EPCTRL_TX_DATA_SOURCE                0x00020000	
/* Not EP0 */

#define  EPCTRL_TX_EP_STALL                   0x00010000

#define  EPCTRL_RX_ENABLE                     0x00000080

#define  EPCTRL_RX_DATA_TOGGLE_RST            0x00000040	
/* Not EP0 */

#define  EPCTRL_RX_DATA_TOGGLE_INH            0x00000020	
/* Not EP0 */

#define  EPCTRL_RX_TYPE                       0x0000000C

#define  EPCTRL_RX_DATA_SINK                  0x00000002	
/* Not EP0 */

#define  EPCTRL_RX_EP_STALL                   0x00000001

/* bit 19-18 and 3-2 are endpoint type */

#define  EPCTRL_EP_TYPE_CONTROL               0

#define  EPCTRL_EP_TYPE_ISO                   1

#define  EPCTRL_EP_TYPE_BULK                  2

#define  EPCTRL_EP_TYPE_INTERRUPT             3

#define  EPCTRL_TX_EP_TYPE_SHIFT              18

#define  EPCTRL_RX_EP_TYPE_SHIFT              2

/* SNOOPn Register Bit Masks */

#define  SNOOP_ADDRESS_MASK                   0xFFFFF000

#define  SNOOP_SIZE_ZERO                      0x00	
/* snooping disable */

#define  SNOOP_SIZE_4KB                       0x0B	
/* 4KB snoop size */

#define  SNOOP_SIZE_8KB                       0x0C

#define  SNOOP_SIZE_16KB                      0x0D

#define  SNOOP_SIZE_32KB                      0x0E

#define  SNOOP_SIZE_64KB                      0x0F

#define  SNOOP_SIZE_128KB                     0x10

#define  SNOOP_SIZE_256KB                     0x11

#define  SNOOP_SIZE_512KB                     0x12

#define  SNOOP_SIZE_1MB                       0x13

#define  SNOOP_SIZE_2MB                       0x14

#define  SNOOP_SIZE_4MB                       0x15

#define  SNOOP_SIZE_8MB                       0x16

#define  SNOOP_SIZE_16MB                      0x17

#define  SNOOP_SIZE_32MB                      0x18

#define  SNOOP_SIZE_64MB                      0x19

#define  SNOOP_SIZE_128MB                     0x1A

#define  SNOOP_SIZE_256MB                     0x1B

#define  SNOOP_SIZE_512MB                     0x1C

#define  SNOOP_SIZE_1GB                       0x1D

#define  SNOOP_SIZE_2GB                       0x1E	
/* 2GB snoop size */

/* pri_ctrl Register Bit Masks */

#define  PRI_CTRL_PRI_LVL1                    0x0000000C

#define  PRI_CTRL_PRI_LVL0                    0x00000003

/* si_ctrl Register Bit Masks */

#define  SI_CTRL_ERR_DISABLE                  0x00000010

#define  SI_CTRL_IDRC_DISABLE                 0x00000008

#define  SI_CTRL_RD_SAFE_EN                   0x00000004

#define  SI_CTRL_RD_PREFETCH_DISABLE          0x00000002

#define  SI_CTRL_RD_PREFEFETCH_VAL            0x00000001

/* control Register Bit Masks */

#define  USB_CTRL_IOENB                       0x00000004

#define  USB_CTRL_ULPI_INT0EN                 0x00000001

#define USB_CTRL_UTMI_PHY_EN		      0x00000200

#define USB_CTRL_USB_EN			      0x00000004

#define USB_CTRL_ULPI_PHY_CLK_SEL	      0x00000400

/* Endpoint Queue Head data struct
 * Rem: all the variables of qh are LittleEndian Mode
 * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
 */

struct ep_queue_head {
	
u32 max_pkt_length;	/* Mult(31-30) , Zlt(29) , Max Pkt len
                                   and IOS(15) */
	
u32 curr_dtd_ptr;	/* Current dTD Pointer(31-5) */
	
u32 next_dtd_ptr;	/* Next dTD Pointer(31-5), T(0) */
	
u32 size_ioc_int_sts;	/* Total bytes (30-16), IOC (15),
                                   MultO(11-10), STS (7-0)  */
	
u32 buff_ptr0;		/* Buffer pointer Page 0 (31-12) */
	
u32 buff_ptr1;		/* Buffer pointer Page 1 (31-12) */
	
u32 buff_ptr2;		/* Buffer pointer Page 2 (31-12) */
	
u32 buff_ptr3;		/* Buffer pointer Page 3 (31-12) */
	
u32 buff_ptr4;		/* Buffer pointer Page 4 (31-12) */
	
u32 res1;
	
u8 setup_buffer[8];	/* Setup data 8 bytes */
	
u32 res2[4];
};

/* Endpoint Queue Head Bit Masks */

#define  EP_QUEUE_HEAD_MULT_POS               30

#define  EP_QUEUE_HEAD_ZLT_SEL                0x20000000

#define  EP_QUEUE_HEAD_MAX_PKT_LEN_POS        16

#define  EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info)   (((ep_info)>>16)&0x07ff)

#define  EP_QUEUE_HEAD_IOS                    0x00008000

#define  EP_QUEUE_HEAD_NEXT_TERMINATE         0x00000001

#define  EP_QUEUE_HEAD_IOC                    0x00008000

#define  EP_QUEUE_HEAD_MULTO                  0x00000C00

#define  EP_QUEUE_HEAD_STATUS_HALT	      0x00000040

#define  EP_QUEUE_HEAD_STATUS_ACTIVE          0x00000080

#define  EP_QUEUE_CURRENT_OFFSET_MASK         0x00000FFF

#define  EP_QUEUE_HEAD_NEXT_POINTER_MASK      0xFFFFFFE0

#define  EP_QUEUE_FRINDEX_MASK                0x000007FF

#define  EP_MAX_LENGTH_TRANSFER               0x4000

/* Endpoint Transfer Descriptor data struct */
/* Rem: all the variables of td are LittleEndian Mode */

struct ep_td_struct {
	
u32 next_td_ptr;	/* Next TD pointer(31-5), T(0) set
                                   indicate invalid */
	
u32 size_ioc_sts;	/* Total bytes (30-16), IOC (15),
                                   MultO(11-10), STS (7-0)  */
	
u32 buff_ptr0;		/* Buffer pointer Page 0 */
	
u32 buff_ptr1;		/* Buffer pointer Page 1 */
	
u32 buff_ptr2;		/* Buffer pointer Page 2 */
	
u32 buff_ptr3;		/* Buffer pointer Page 3 */
	
u32 buff_ptr4;		/* Buffer pointer Page 4 */
	
u32 res;
	/* 32 bytes */
	
dma_addr_t td_dma;	/* dma address for this td */
	/* virtual address of next td specified in next_td_ptr */
	
struct ep_td_struct *next_td_virt;
};

/* Endpoint Transfer Descriptor bit Masks */

#define  DTD_NEXT_TERMINATE                   0x00000001

#define  DTD_IOC                              0x00008000

#define  DTD_STATUS_ACTIVE                    0x00000080

#define  DTD_STATUS_HALTED                    0x00000040

#define  DTD_STATUS_DATA_BUFF_ERR             0x00000020

#define  DTD_STATUS_TRANSACTION_ERR           0x00000008

#define  DTD_RESERVED_FIELDS                  0x80007300

#define  DTD_ADDR_MASK                        0xFFFFFFE0

#define  DTD_PACKET_SIZE                      0x7FFF0000

#define  DTD_LENGTH_BIT_POS                   16

#define  DTD_ERROR_MASK                       (DTD_STATUS_HALTED | \
                                               DTD_STATUS_DATA_BUFF_ERR | \
                                               DTD_STATUS_TRANSACTION_ERR)
/* Alignment requirements; must be a power of two */

#define DTD_ALIGNMENT				0x20

#define QH_ALIGNMENT				2048

/* Controller dma boundary */

#define UDC_DMA_BOUNDARY			0x1000

/*-------------------------------------------------------------------------*/

/* ### driver private data
 */

struct fsl_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 fsl_ep *ep;
	
unsigned mapped:1;

	

struct ep_td_struct *head, *tail;	/* For dTD List
                                                   cpu endian Virtual addr */
	
unsigned int dtd_count;
};


#define REQ_UNCOMPLETE			1


struct fsl_ep {
	
struct usb_ep ep;
	
struct list_head queue;
	
struct fsl_udc *udc;
	
struct ep_queue_head *qh;
	
struct usb_gadget *gadget;

	
char name[14];
	
unsigned stopped:1;
};


#define EP_DIR_IN	1

#define EP_DIR_OUT	0


struct fsl_udc {
	
struct usb_gadget gadget;
	
struct usb_gadget_driver *driver;
	
struct fsl_usb2_platform_data *pdata;
	
struct completion *done;	/* to make sure release() is done */
	
struct fsl_ep *eps;
	
unsigned int max_ep;
	
unsigned int irq;

	
struct usb_ctrlrequest local_setup_buff;
	
spinlock_t lock;
	
struct usb_phy *transceiver;
	
unsigned softconnect:1;
	
unsigned vbus_active:1;
	
unsigned stopped:1;
	
unsigned remote_wakeup:1;
	
unsigned already_stopped:1;
	
unsigned big_endian_desc:1;

	
struct ep_queue_head *ep_qh;	/* Endpoints Queue-Head */
	
struct fsl_req *status_req;	/* ep0 status request */
	
struct dma_pool *td_pool;	/* dma pool for DTD */
	
enum fsl_usb2_phy_modes phy_mode;

	
size_t ep_qh_size;		/* size after alignment adjustment*/
	
dma_addr_t ep_qh_dma;		/* dma address of QH */

	
u32 max_pipes;          /* Device max pipes */
	
u32 bus_reset;		/* Device is bus resetting */
	
u32 resume_state;	/* USB state to resume */
	
u32 usb_state;		/* USB current state */
	
u32 ep0_state;		/* Endpoint zero state */
	
u32 ep0_dir;		/* Endpoint zero direction: can be
                                   USB_DIR_IN or USB_DIR_OUT */
	
u8 device_address;	/* Device USB address */
};

/*-------------------------------------------------------------------------*/

#ifdef DEBUG

#define DBG(fmt, args...) 	printk(KERN_DEBUG "[%s]  " fmt "\n", \
                                __func__, ## args)
#else

#define DBG(fmt, args...)	do{}while(0)
#endif

#if 0
static void dump_msg(const char *label, const u8 * buf, unsigned int length)
{
        unsigned int start, num, i;
        char line[52], *p;

        if (length >= 512)
                return;
        DBG("%s, length %u:\n", label, length);
        start = 0;
        while (length > 0) {
                num = min(length, 16u);
                p = line;
                for (i = 0; i < num; ++i) {
                        if (i == 8)
                                *p++ = ' ';
                        sprintf(p, " %02x", buf[i]);
                        p += 3;
                }
                *p = 0;
                printk(KERN_DEBUG "%6x: %s\n", start, line);
                buf += num;
                start += num;
                length -= num;
        }
}
#endif

#ifdef VERBOSE

#define VDBG		DBG
#else

#define VDBG(stuff...)	do{}while(0)
#endif


#define ERR(stuff...)		pr_err("udc: " stuff)

#define WARNING(stuff...)	pr_warn("udc: " stuff)

#define INFO(stuff...)		pr_info("udc: " stuff)

/*-------------------------------------------------------------------------*/

/* ### Add board specific defines here
 */

/*
 * ### pipe direction macro from device view
 */

#define USB_RECV	0	
/* OUT EP */

#define USB_SEND	1	
/* IN EP */

/*
 * ### internal used help routines.
 */

#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)

#define get_ep_by_pipe(udc, pipe)	((pipe == 1)? &udc->eps[0]: \
                                        &udc->eps[pipe])

#define get_pipe_by_windex(windex)	((windex & USB_ENDPOINT_NUMBER_MASK) \
                                        * 2 + ((windex & USB_DIR_IN) ? 1 : 0))

#define get_pipe_by_ep(EP)	(ep_index(EP) * 2 + ep_is_in(EP))


static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep) { /* we only have one ep0 structure but two queue heads */ if (ep_index(ep) != 0) return ep->qh; else return &ep->udc->ep_qh[(ep->udc->ep0_dir == USB_DIR_IN) ? 1 : 0]; }

Contributors

PersonTokensPropCommitsCommitProp
Li Yang53100.00%1100.00%
Total53100.00%1100.00%

struct platform_device; #ifdef CONFIG_ARCH_MXC int fsl_udc_clk_init(struct platform_device *pdev); int fsl_udc_clk_finalize(struct platform_device *pdev); void fsl_udc_clk_release(void); #else
static inline int fsl_udc_clk_init(struct platform_device *pdev) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Guennadi Liakhovetski15100.00%1100.00%
Total15100.00%1100.00%


static inline int fsl_udc_clk_finalize(struct platform_device *pdev) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Guennadi Liakhovetski960.00%150.00%
Peter Chen640.00%150.00%
Total15100.00%2100.00%


static inline void fsl_udc_clk_release(void) { }

Contributors

PersonTokensPropCommitsCommitProp
Guennadi Liakhovetski8100.00%1100.00%
Total8100.00%1100.00%

#endif #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Li Yang178992.98%316.67%
Guennadi Liakhovetski653.38%15.56%
Anatolij Gustschin281.46%316.67%
Ramneek Mehresh130.68%15.56%
Peter Chen70.36%15.56%
Will Newton60.31%15.56%
Felipe Balbi60.31%15.56%
David Brownell20.10%15.56%
Lucas De Marchi20.10%15.56%
Christoph Fritz20.10%15.56%
Joe Perches10.05%15.56%
Harvey Harrison10.05%15.56%
Heikki Krogerus10.05%15.56%
Arjan van de Ven10.05%15.56%
Total1924100.00%18100.00%
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