/*
 * M66592 UDC (USB gadget)
 *
 * Copyright (C) 2006-2007 Renesas Solutions Corp.
 *
 * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
 *
 * 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; version 2 of the License.
 */

#ifndef __M66592_UDC_H__
#define __M66592_UDC_H__

#include <linux/clk.h>
#include <linux/usb/m66592.h>

#define M66592_SYSCFG           0x00
#define M66592_XTAL             0xC000  /* b15-14: Crystal selection */
#define   M66592_XTAL48          0x8000         /* 48MHz */
#define   M66592_XTAL24          0x4000         /* 24MHz */
#define   M66592_XTAL12          0x0000         /* 12MHz */
#define M66592_XCKE             0x2000  /* b13: External clock enable */
#define M66592_RCKE             0x1000  /* b12: Register clock enable */
#define M66592_PLLC             0x0800  /* b11: PLL control */
#define M66592_SCKE             0x0400  /* b10: USB clock enable */
#define M66592_ATCKM            0x0100  /* b8: Automatic clock supply */
#define M66592_HSE              0x0080  /* b7: Hi-speed enable */
#define M66592_DCFM             0x0040  /* b6: Controller function select  */
#define M66592_DMRPD            0x0020  /* b5: D- pull down control */
#define M66592_DPRPU            0x0010  /* b4: D+ pull up control */
#define M66592_FSRPC            0x0004  /* b2: Full-speed receiver enable */
#define M66592_PCUT             0x0002  /* b1: Low power sleep enable */
#define M66592_USBE             0x0001  /* b0: USB module operation enable */

#define M66592_SYSSTS           0x02
#define M66592_LNST             0x0003  /* b1-0: D+, D- line status */
#define   M66592_SE1             0x0003         /* SE1 */
#define   M66592_KSTS            0x0002         /* K State */
#define   M66592_JSTS            0x0001         /* J State */
#define   M66592_SE0             0x0000         /* SE0 */

#define M66592_DVSTCTR          0x04
#define M66592_WKUP             0x0100  /* b8: Remote wakeup */
#define M66592_RWUPE            0x0080  /* b7: Remote wakeup sense */
#define M66592_USBRST           0x0040  /* b6: USB reset enable */
#define M66592_RESUME           0x0020  /* b5: Resume enable */
#define M66592_UACT             0x0010  /* b4: USB bus enable */
#define M66592_RHST             0x0003  /* b1-0: Reset handshake status */
#define   M66592_HSMODE          0x0003         /* Hi-Speed mode */
#define   M66592_FSMODE          0x0002         /* Full-Speed mode */
#define   M66592_HSPROC          0x0001         /* HS handshake is processing */

#define M66592_TESTMODE         0x06
#define M66592_UTST             0x000F  /* b4-0: Test select */
#define   M66592_H_TST_PACKET    0x000C         /* HOST TEST Packet */
#define   M66592_H_TST_SE0_NAK   0x000B         /* HOST TEST SE0 NAK */
#define   M66592_H_TST_K         0x000A         /* HOST TEST K */
#define   M66592_H_TST_J         0x0009         /* HOST TEST J */
#define   M66592_H_TST_NORMAL    0x0000         /* HOST Normal Mode */
#define   M66592_P_TST_PACKET    0x0004         /* PERI TEST Packet */
#define   M66592_P_TST_SE0_NAK   0x0003         /* PERI TEST SE0 NAK */
#define   M66592_P_TST_K         0x0002         /* PERI TEST K */
#define   M66592_P_TST_J         0x0001         /* PERI TEST J */
#define   M66592_P_TST_NORMAL    0x0000         /* PERI Normal Mode */

/* built-in registers */
#define M66592_CFBCFG           0x0A
#define M66592_D0FBCFG          0x0C
#define M66592_LITTLE           0x0100  /* b8: Little endian mode */
/* external chip case */
#define M66592_PINCFG           0x0A
#define M66592_LDRV             0x8000  /* b15: Drive Current Adjust */
#define M66592_BIGEND           0x0100  /* b8: Big endian mode */

#define M66592_DMA0CFG          0x0C
#define M66592_DMA1CFG          0x0E
#define M66592_DREQA            0x4000  /* b14: Dreq active select */
#define M66592_BURST            0x2000  /* b13: Burst mode */
#define M66592_DACKA            0x0400  /* b10: Dack active select */
#define M66592_DFORM            0x0380  /* b9-7: DMA mode select */
#define   M66592_CPU_ADR_RD_WR   0x0000   /* Address + RD/WR mode (CPU bus) */
#define   M66592_CPU_DACK_RD_WR  0x0100   /* DACK + RD/WR mode (CPU bus) */
#define   M66592_CPU_DACK_ONLY   0x0180   /* DACK only mode (CPU bus) */
#define   M66592_SPLIT_DACK_ONLY 0x0200   /* DACK only mode (SPLIT bus) */
#define   M66592_SPLIT_DACK_DSTB 0x0300   /* DACK + DSTB0 mode (SPLIT bus) */
#define M66592_DENDA            0x0040  /* b6: Dend active select */
#define M66592_PKTM             0x0020  /* b5: Packet mode */
#define M66592_DENDE            0x0010  /* b4: Dend enable */
#define M66592_OBUS             0x0004  /* b2: OUTbus mode */

/* common case */
#define M66592_CFIFO            0x10
#define M66592_D0FIFO           0x14
#define M66592_D1FIFO           0x18

#define M66592_CFIFOSEL         0x1E
#define M66592_D0FIFOSEL        0x24
#define M66592_D1FIFOSEL        0x2A
#define M66592_RCNT             0x8000  /* b15: Read count mode */
#define M66592_REW              0x4000  /* b14: Buffer rewind */
#define M66592_DCLRM            0x2000  /* b13: DMA buffer clear mode */
#define M66592_DREQE            0x1000  /* b12: DREQ output enable */
#define M66592_MBW_8            0x0000   /*  8bit */
#define M66592_MBW_16           0x0400   /* 16bit */
#define M66592_MBW_32           0x0800   /* 32bit */
#define M66592_TRENB            0x0200  /* b9: Transaction counter enable */
#define M66592_TRCLR            0x0100  /* b8: Transaction counter clear */
#define M66592_DEZPM            0x0080  /* b7: Zero-length packet mode */
#define M66592_ISEL             0x0020  /* b5: DCP FIFO port direction select */
#define M66592_CURPIPE          0x0007  /* b2-0: PIPE select */

#define M66592_CFIFOCTR         0x20
#define M66592_D0FIFOCTR        0x26
#define M66592_D1FIFOCTR        0x2c
#define M66592_BVAL             0x8000  /* b15: Buffer valid flag */
#define M66592_BCLR             0x4000  /* b14: Buffer clear */
#define M66592_FRDY             0x2000  /* b13: FIFO ready */
#define M66592_DTLN             0x0FFF  /* b11-0: FIFO received data length */

#define M66592_CFIFOSIE         0x22
#define M66592_TGL              0x8000  /* b15: Buffer toggle */
#define M66592_SCLR             0x4000  /* b14: Buffer clear */
#define M66592_SBUSY            0x2000  /* b13: SIE_FIFO busy */

#define M66592_D0FIFOTRN        0x28
#define M66592_D1FIFOTRN        0x2E
#define M66592_TRNCNT           0xFFFF  /* b15-0: Transaction counter */

#define M66592_INTENB0  0x30
#define M66592_VBSE     0x8000  /* b15: VBUS interrupt */
#define M66592_RSME     0x4000  /* b14: Resume interrupt */
#define M66592_SOFE     0x2000  /* b13: Frame update interrupt */
#define M66592_DVSE     0x1000  /* b12: Device state transition interrupt */
#define M66592_CTRE     0x0800  /* b11: Control transfer stage transition irq */
#define M66592_BEMPE    0x0400  /* b10: Buffer empty interrupt */
#define M66592_NRDYE    0x0200  /* b9: Buffer not ready interrupt */
#define M66592_BRDYE    0x0100  /* b8: Buffer ready interrupt */
#define M66592_URST     0x0080  /* b7: USB reset detected interrupt */
#define M66592_SADR     0x0040  /* b6: Set address executed interrupt */
#define M66592_SCFG     0x0020  /* b5: Set configuration executed interrupt */
#define M66592_SUSP     0x0010  /* b4: Suspend detected interrupt */
#define M66592_WDST     0x0008  /* b3: Control write data stage completed irq */
#define M66592_RDST     0x0004  /* b2: Control read data stage completed irq */
#define M66592_CMPL     0x0002  /* b1: Control transfer complete interrupt */
#define M66592_SERR     0x0001  /* b0: Sequence error interrupt */

#define M66592_INTENB1  0x32
#define M66592_BCHGE    0x4000  /* b14: USB us chenge interrupt */
#define M66592_DTCHE    0x1000  /* b12: Detach sense interrupt */
#define M66592_SIGNE    0x0020  /* b5: SETUP IGNORE interrupt */
#define M66592_SACKE    0x0010  /* b4: SETUP ACK interrupt */
#define M66592_BRDYM    0x0004  /* b2: BRDY clear timing */
#define M66592_INTL     0x0002  /* b1: Interrupt sense select */
#define M66592_PCSE     0x0001  /* b0: PCUT enable by CS assert */

#define M66592_BRDYENB          0x36
#define M66592_BRDYSTS          0x46
#define M66592_BRDY7            0x0080  /* b7: PIPE7 */
#define M66592_BRDY6            0x0040  /* b6: PIPE6 */
#define M66592_BRDY5            0x0020  /* b5: PIPE5 */
#define M66592_BRDY4            0x0010  /* b4: PIPE4 */
#define M66592_BRDY3            0x0008  /* b3: PIPE3 */
#define M66592_BRDY2            0x0004  /* b2: PIPE2 */
#define M66592_BRDY1            0x0002  /* b1: PIPE1 */
#define M66592_BRDY0            0x0001  /* b1: PIPE0 */

#define M66592_NRDYENB          0x38
#define M66592_NRDYSTS          0x48
#define M66592_NRDY7            0x0080  /* b7: PIPE7 */
#define M66592_NRDY6            0x0040  /* b6: PIPE6 */
#define M66592_NRDY5            0x0020  /* b5: PIPE5 */
#define M66592_NRDY4            0x0010  /* b4: PIPE4 */
#define M66592_NRDY3            0x0008  /* b3: PIPE3 */
#define M66592_NRDY2            0x0004  /* b2: PIPE2 */
#define M66592_NRDY1            0x0002  /* b1: PIPE1 */
#define M66592_NRDY0            0x0001  /* b1: PIPE0 */

#define M66592_BEMPENB          0x3A
#define M66592_BEMPSTS          0x4A
#define M66592_BEMP7            0x0080  /* b7: PIPE7 */
#define M66592_BEMP6            0x0040  /* b6: PIPE6 */
#define M66592_BEMP5            0x0020  /* b5: PIPE5 */
#define M66592_BEMP4            0x0010  /* b4: PIPE4 */
#define M66592_BEMP3            0x0008  /* b3: PIPE3 */
#define M66592_BEMP2            0x0004  /* b2: PIPE2 */
#define M66592_BEMP1            0x0002  /* b1: PIPE1 */
#define M66592_BEMP0            0x0001  /* b0: PIPE0 */

#define M66592_SOFCFG           0x3C
#define M66592_SOFM             0x000C  /* b3-2: SOF palse mode */
#define   M66592_SOF_125US       0x0008   /* SOF OUT 125us uFrame Signal */
#define   M66592_SOF_1MS         0x0004   /* SOF OUT 1ms Frame Signal */
#define   M66592_SOF_DISABLE     0x0000   /* SOF OUT Disable */

#define M66592_INTSTS0          0x40
#define M66592_VBINT            0x8000  /* b15: VBUS interrupt */
#define M66592_RESM             0x4000  /* b14: Resume interrupt */
#define M66592_SOFR             0x2000  /* b13: SOF frame update interrupt */
#define M66592_DVST             0x1000  /* b12: Device state transition */
#define M66592_CTRT             0x0800  /* b11: Control stage transition */
#define M66592_BEMP             0x0400  /* b10: Buffer empty interrupt */
#define M66592_NRDY             0x0200  /* b9: Buffer not ready interrupt */
#define M66592_BRDY             0x0100  /* b8: Buffer ready interrupt */
#define M66592_VBSTS            0x0080  /* b7: VBUS input port */
#define M66592_DVSQ             0x0070  /* b6-4: Device state */
#define   M66592_DS_SPD_CNFG     0x0070    /* Suspend Configured */
#define   M66592_DS_SPD_ADDR     0x0060    /* Suspend Address */
#define   M66592_DS_SPD_DFLT     0x0050    /* Suspend Default */
#define   M66592_DS_SPD_POWR     0x0040    /* Suspend Powered */
#define   M66592_DS_SUSP         0x0040    /* Suspend */
#define   M66592_DS_CNFG         0x0030    /* Configured */
#define   M66592_DS_ADDS         0x0020    /* Address */
#define   M66592_DS_DFLT         0x0010    /* Default */
#define   M66592_DS_POWR         0x0000    /* Powered */
#define M66592_DVSQS            0x0030  /* b5-4: Device state */
#define M66592_VALID            0x0008  /* b3: Setup packet detected flag */
#define M66592_CTSQ             0x0007  /* b2-0: Control transfer stage */
#define   M66592_CS_SQER         0x0006   /* Sequence error */
#define   M66592_CS_WRND         0x0005   /* Control write nodata status */
#define   M66592_CS_WRSS         0x0004   /* Control write status stage */
#define   M66592_CS_WRDS         0x0003   /* Control write data stage */
#define   M66592_CS_RDSS         0x0002   /* Control read status stage */
#define   M66592_CS_RDDS         0x0001   /* Control read data stage */
#define   M66592_CS_IDST         0x0000   /* Idle or setup stage */

#define M66592_INTSTS1          0x42
#define M66592_BCHG             0x4000  /* b14: USB bus chenge interrupt */
#define M66592_DTCH             0x1000  /* b12: Detach sense interrupt */
#define M66592_SIGN             0x0020  /* b5: SETUP IGNORE interrupt */
#define M66592_SACK             0x0010  /* b4: SETUP ACK interrupt */

#define M66592_FRMNUM           0x4C
#define M66592_OVRN             0x8000  /* b15: Overrun error */
#define M66592_CRCE             0x4000  /* b14: Received data error */
#define M66592_SOFRM            0x0800  /* b11: SOF output mode */
#define M66592_FRNM             0x07FF  /* b10-0: Frame number */

#define M66592_UFRMNUM          0x4E
#define M66592_UFRNM            0x0007  /* b2-0: Micro frame number */

#define M66592_RECOVER          0x50
#define M66592_STSRECOV         0x0700  /* Status recovery */
#define   M66592_STSR_HI         0x0400           /* FULL(0) or HI(1) Speed */
#define   M66592_STSR_DEFAULT    0x0100           /* Default state */
#define   M66592_STSR_ADDRESS    0x0200           /* Address state */
#define   M66592_STSR_CONFIG     0x0300           /* Configured state */
#define M66592_USBADDR          0x007F  /* b6-0: USB address */

#define M66592_USBREQ                   0x54
#define M66592_bRequest                 0xFF00  /* b15-8: bRequest */
#define   M66592_GET_STATUS              0x0000
#define   M66592_CLEAR_FEATURE           0x0100
#define   M66592_ReqRESERVED             0x0200
#define   M66592_SET_FEATURE             0x0300
#define   M66592_ReqRESERVED1            0x0400
#define   M66592_SET_ADDRESS             0x0500
#define   M66592_GET_DESCRIPTOR          0x0600
#define   M66592_SET_DESCRIPTOR          0x0700
#define   M66592_GET_CONFIGURATION       0x0800
#define   M66592_SET_CONFIGURATION       0x0900
#define   M66592_GET_INTERFACE           0x0A00
#define   M66592_SET_INTERFACE           0x0B00
#define   M66592_SYNCH_FRAME             0x0C00
#define M66592_bmRequestType            0x00FF  /* b7-0: bmRequestType */
#define M66592_bmRequestTypeDir         0x0080  /* b7  : Data direction */
#define   M66592_HOST_TO_DEVICE          0x0000
#define   M66592_DEVICE_TO_HOST          0x0080
#define M66592_bmRequestTypeType        0x0060  /* b6-5: Type */
#define   M66592_STANDARD                0x0000
#define   M66592_CLASS                   0x0020
#define   M66592_VENDOR                  0x0040
#define M66592_bmRequestTypeRecip       0x001F  /* b4-0: Recipient */
#define   M66592_DEVICE                  0x0000
#define   M66592_INTERFACE               0x0001
#define   M66592_ENDPOINT                0x0002

#define M66592_USBVAL                           0x56
#define M66592_wValue                           0xFFFF  /* b15-0: wValue */
/* Standard Feature Selector */
#define   M66592_ENDPOINT_HALT                  0x0000
#define   M66592_DEVICE_REMOTE_WAKEUP           0x0001
#define   M66592_TEST_MODE                      0x0002
/* Descriptor Types */
#define M66592_DT_TYPE                          0xFF00
#define M66592_GET_DT_TYPE(v)                   (((v) & DT_TYPE) >> 8)
#define   M66592_DT_DEVICE                      0x01
#define   M66592_DT_CONFIGURATION               0x02
#define   M66592_DT_STRING                      0x03
#define   M66592_DT_INTERFACE                   0x04
#define   M66592_DT_ENDPOINT                    0x05
#define   M66592_DT_DEVICE_QUALIFIER            0x06
#define   M66592_DT_OTHER_SPEED_CONFIGURATION   0x07
#define   M66592_DT_INTERFACE_POWER             0x08
#define M66592_DT_INDEX                         0x00FF
#define M66592_CONF_NUM                         0x00FF
#define M66592_ALT_SET                          0x00FF

#define M66592_USBINDEX                 0x58
#define M66592_wIndex                   0xFFFF  /* b15-0: wIndex */
#define M66592_TEST_SELECT              0xFF00  /* b15-b8: Test Mode */
#define   M66592_TEST_J                  0x0100   /* Test_J */
#define   M66592_TEST_K                  0x0200   /* Test_K */
#define   M66592_TEST_SE0_NAK            0x0300   /* Test_SE0_NAK */
#define   M66592_TEST_PACKET             0x0400   /* Test_Packet */
#define   M66592_TEST_FORCE_ENABLE       0x0500   /* Test_Force_Enable */
#define   M66592_TEST_STSelectors        0x0600   /* Standard test selectors */
#define   M66592_TEST_Reserved           0x4000   /* Reserved */
#define   M66592_TEST_VSTModes           0xC000   /* Vendor-specific tests */
#define M66592_EP_DIR                   0x0080  /* b7: Endpoint Direction */
#define   M66592_EP_DIR_IN               0x0080
#define   M66592_EP_DIR_OUT              0x0000

#define M66592_USBLENG          0x5A
#define M66592_wLength          0xFFFF  /* b15-0: wLength */

#define M66592_DCPCFG           0x5C
#define M66592_CNTMD            0x0100  /* b8: Continuous transfer mode */
#define M66592_DIR              0x0010  /* b4: Control transfer DIR select */

#define M66592_DCPMAXP          0x5E
#define M66592_DEVSEL           0xC000  /* b15-14: Device address select */
#define   M66592_DEVICE_0        0x0000           /* Device address 0 */
#define   M66592_DEVICE_1        0x4000           /* Device address 1 */
#define   M66592_DEVICE_2        0x8000           /* Device address 2 */
#define   M66592_DEVICE_3        0xC000           /* Device address 3 */
#define M66592_MAXP             0x007F  /* b6-0: Maxpacket size of ep0 */

#define M66592_DCPCTR           0x60
#define M66592_BSTS             0x8000  /* b15: Buffer status */
#define M66592_SUREQ            0x4000  /* b14: Send USB request  */
#define M66592_SQCLR            0x0100  /* b8: Sequence toggle bit clear */
#define M66592_SQSET            0x0080  /* b7: Sequence toggle bit set */
#define M66592_SQMON            0x0040  /* b6: Sequence toggle bit monitor */
#define M66592_CCPL             0x0004  /* b2: control transfer complete */
#define M66592_PID              0x0003  /* b1-0: Response PID */
#define   M66592_PID_STALL       0x0002           /* STALL */
#define   M66592_PID_BUF         0x0001           /* BUF */
#define   M66592_PID_NAK         0x0000           /* NAK */

#define M66592_PIPESEL          0x64
#define M66592_PIPENM           0x0007  /* b2-0: Pipe select */
#define   M66592_PIPE0           0x0000           /* PIPE 0 */
#define   M66592_PIPE1           0x0001           /* PIPE 1 */
#define   M66592_PIPE2           0x0002           /* PIPE 2 */
#define   M66592_PIPE3           0x0003           /* PIPE 3 */
#define   M66592_PIPE4           0x0004           /* PIPE 4 */
#define   M66592_PIPE5           0x0005           /* PIPE 5 */
#define   M66592_PIPE6           0x0006           /* PIPE 6 */
#define   M66592_PIPE7           0x0007           /* PIPE 7 */

#define M66592_PIPECFG          0x66
#define M66592_TYP              0xC000  /* b15-14: Transfer type */
#define   M66592_ISO             0xC000           /* Isochronous */
#define   M66592_INT             0x8000           /* Interrupt */
#define   M66592_BULK            0x4000           /* Bulk */
#define M66592_BFRE             0x0400  /* b10: Buffer ready interrupt mode */
#define M66592_DBLB             0x0200  /* b9: Double buffer mode select */
#define M66592_CNTMD            0x0100  /* b8: Continuous transfer mode */
#define M66592_SHTNAK           0x0080  /* b7: Transfer end NAK */
#define M66592_DIR              0x0010  /* b4: Transfer direction select */
#define   M66592_DIR_H_OUT       0x0010           /* HOST OUT */
#define   M66592_DIR_P_IN        0x0010           /* PERI IN */
#define   M66592_DIR_H_IN        0x0000           /* HOST IN */
#define   M66592_DIR_P_OUT       0x0000           /* PERI OUT */
#define M66592_EPNUM            0x000F  /* b3-0: Eendpoint number select */
#define   M66592_EP1             0x0001
#define   M66592_EP2             0x0002
#define   M66592_EP3             0x0003
#define   M66592_EP4             0x0004
#define   M66592_EP5             0x0005
#define   M66592_EP6             0x0006
#define   M66592_EP7             0x0007
#define   M66592_EP8             0x0008
#define   M66592_EP9             0x0009
#define   M66592_EP10            0x000A
#define   M66592_EP11            0x000B
#define   M66592_EP12            0x000C
#define   M66592_EP13            0x000D
#define   M66592_EP14            0x000E
#define   M66592_EP15            0x000F

#define M66592_PIPEBUF          0x68
#define M66592_BUFSIZE          0x7C00  /* b14-10: Pipe buffer size */
#define M66592_BUF_SIZE(x)      ((((x) / 64) - 1) << 10)
#define M66592_BUFNMB           0x00FF  /* b7-0: Pipe buffer number */

#define M66592_PIPEMAXP         0x6A
#define M66592_MXPS             0x07FF  /* b10-0: Maxpacket size */

#define M66592_PIPEPERI         0x6C
#define M66592_IFIS             0x1000  /* b12: ISO in-buffer flush mode */
#define M66592_IITV             0x0007  /* b2-0: ISO interval */

#define M66592_PIPE1CTR         0x70
#define M66592_PIPE2CTR         0x72
#define M66592_PIPE3CTR         0x74
#define M66592_PIPE4CTR         0x76
#define M66592_PIPE5CTR         0x78
#define M66592_PIPE6CTR         0x7A
#define M66592_PIPE7CTR         0x7C
#define M66592_BSTS             0x8000  /* b15: Buffer status */
#define M66592_INBUFM           0x4000  /* b14: IN buffer monitor (PIPE 1-5) */
#define M66592_ACLRM            0x0200  /* b9: Out buffer auto clear mode */
#define M66592_SQCLR            0x0100  /* b8: Sequence toggle bit clear */
#define M66592_SQSET            0x0080  /* b7: Sequence toggle bit set */
#define M66592_SQMON            0x0040  /* b6: Sequence toggle bit monitor */
#define M66592_PID              0x0003  /* b1-0: Response PID */

#define M66592_INVALID_REG      0x7E


#define get_pipectr_addr(pipenum)       (M66592_PIPE1CTR + (pipenum - 1) * 2)

#define M66592_MAX_SAMPLING     10

#define M66592_MAX_NUM_PIPE     8
#define M66592_MAX_NUM_BULK     3
#define M66592_MAX_NUM_ISOC     2
#define M66592_MAX_NUM_INT      2

#define M66592_BASE_PIPENUM_BULK        3
#define M66592_BASE_PIPENUM_ISOC        1
#define M66592_BASE_PIPENUM_INT         6

#define M66592_BASE_BUFNUM      6
#define M66592_MAX_BUFNUM       0x4F

struct m66592_pipe_info {
        u16     pipe;
        u16     epnum;
        u16     maxpacket;
        u16     type;
        u16     interval;
        u16     dir_in;
};

struct m66592_request {
        struct usb_request      req;
        struct list_head        queue;
};

struct m66592_ep {
        struct usb_ep           ep;
        struct m66592           *m66592;

        struct list_head        queue;
        unsigned                busy:1;
        unsigned                internal_ccpl:1;        /* use only control */

        /* this member can able to after m66592_enable */
        unsigned                use_dma:1;
        u16                     pipenum;
        u16                     type;

        /* register address */
        unsigned long           fifoaddr;
        unsigned long           fifosel;
        unsigned long           fifoctr;
        unsigned long           fifotrn;
        unsigned long           pipectr;
};

struct m66592 {
        spinlock_t              lock;
        void __iomem            *reg;
        struct clk *clk;
        struct m66592_platdata  *pdata;
        unsigned long           irq_trigger;

        struct usb_gadget               gadget;
        struct usb_gadget_driver        *driver;

        struct m66592_ep        ep[M66592_MAX_NUM_PIPE];
        struct m66592_ep        *pipenum2ep[M66592_MAX_NUM_PIPE];
        struct m66592_ep        *epaddr2ep[16];

        struct usb_request      *ep0_req;       /* for internal request */
        __le16                  ep0_data;       /* for internal request */
        u16                     old_vbus;

        struct timer_list       timer;

        int                     scount;

        int                     old_dvsq;

        /* pipe config */
        int bulk;
        int interrupt;
        int isochronous;
        int num_dma;
};
#define to_m66592(g)    (container_of((g), struct m66592, gadget))

#define gadget_to_m66592(_gadget) container_of(_gadget, struct m66592, gadget)
#define m66592_to_gadget(m66592) (&m66592->gadget)

#define is_bulk_pipe(pipenum)   \
        ((pipenum >= M66592_BASE_PIPENUM_BULK) && \
         (pipenum < (M66592_BASE_PIPENUM_BULK + M66592_MAX_NUM_BULK)))
#define is_interrupt_pipe(pipenum)      \
        ((pipenum >= M66592_BASE_PIPENUM_INT) && \
         (pipenum < (M66592_BASE_PIPENUM_INT + M66592_MAX_NUM_INT)))
#define is_isoc_pipe(pipenum)   \
        ((pipenum >= M66592_BASE_PIPENUM_ISOC) && \
         (pipenum < (M66592_BASE_PIPENUM_ISOC + M66592_MAX_NUM_ISOC)))

#define enable_irq_ready(m66592, pipenum)       \
        enable_pipe_irq(m66592, pipenum, M66592_BRDYENB)
#define disable_irq_ready(m66592, pipenum)      \
        disable_pipe_irq(m66592, pipenum, M66592_BRDYENB)
#define enable_irq_empty(m66592, pipenum)       \
        enable_pipe_irq(m66592, pipenum, M66592_BEMPENB)
#define disable_irq_empty(m66592, pipenum)      \
        disable_pipe_irq(m66592, pipenum, M66592_BEMPENB)
#define enable_irq_nrdy(m66592, pipenum)        \
        enable_pipe_irq(m66592, pipenum, M66592_NRDYENB)
#define disable_irq_nrdy(m66592, pipenum)       \
        disable_pipe_irq(m66592, pipenum, M66592_NRDYENB)

/*-------------------------------------------------------------------------*/
static inline u16 m66592_read(struct m66592 *m66592, unsigned long offset)
{
        return ioread16(m66592->reg + offset);
}

static inline void m66592_read_fifo(struct m66592 *m66592,
                unsigned long offset,
                void *buf, unsigned long len)
{
        void __iomem *fifoaddr = m66592->reg + offset;

        if (m66592->pdata->on_chip) {
                len = (len + 3) / 4;
                ioread32_rep(fifoaddr, buf, len);
        } else {
                len = (len + 1) / 2;
                ioread16_rep(fifoaddr, buf, len);
        }
}

static inline void m66592_write(struct m66592 *m66592, u16 val,
                                unsigned long offset)
{
        iowrite16(val, m66592->reg + offset);
}

static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat,
                unsigned long offset)
{
        u16 tmp;
        tmp = m66592_read(m66592, offset);
        tmp = tmp & (~pat);
        tmp = tmp | val;
        m66592_write(m66592, tmp, offset);
}

#define m66592_bclr(m66592, val, offset)        \
                        m66592_mdfy(m66592, 0, val, offset)
#define m66592_bset(m66592, val, offset)        \
                        m66592_mdfy(m66592, val, 0, offset)

static inline void m66592_write_fifo(struct m66592 *m66592,
                struct m66592_ep *ep,
                void *buf, unsigned long len)
{
        void __iomem *fifoaddr = m66592->reg + ep->fifoaddr;

        if (m66592->pdata->on_chip) {
                unsigned long count;
                unsigned char *pb;
                int i;

                count = len / 4;
                iowrite32_rep(fifoaddr, buf, count);

                if (len & 0x00000003) {
                        pb = buf + count * 4;
                        for (i = 0; i < (len & 0x00000003); i++) {
                                if (m66592_read(m66592, M66592_CFBCFG)) /* le */
                                        iowrite8(pb[i], fifoaddr + (3 - i));
                                else
                                        iowrite8(pb[i], fifoaddr + i);
                        }
                }
        } else {
                unsigned long odd = len & 0x0001;

                len = len / 2;
                iowrite16_rep(fifoaddr, buf, len);
                if (odd) {
                        unsigned char *p = buf + len*2;
                        if (m66592->pdata->wr0_shorted_to_wr1)
                                m66592_bclr(m66592, M66592_MBW_16, ep->fifosel);
                        iowrite8(*p, fifoaddr);
                        if (m66592->pdata->wr0_shorted_to_wr1)
                                m66592_bset(m66592, M66592_MBW_16, ep->fifosel);
                }
        }
}

#endif  /* ifndef __M66592_UDC_H__ */