diff options
Diffstat (limited to 'drivers/usb/gadget/imx_udc.h')
| -rw-r--r-- | drivers/usb/gadget/imx_udc.h | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/drivers/usb/gadget/imx_udc.h b/drivers/usb/gadget/imx_udc.h deleted file mode 100644 index d118fb77784..00000000000 --- a/drivers/usb/gadget/imx_udc.h +++ /dev/null @@ -1,351 +0,0 @@ -/* - * Copyright (C) 2005 Mike Lee(eemike@gmail.com) - * - * This udc driver is now under testing and code is based on pxa2xx_udc.h - * Please use it with your own risk! - * - * 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 __LINUX_USB_GADGET_IMX_H -#define __LINUX_USB_GADGET_IMX_H - -#include <linux/types.h> - -/* Helper macros */ -#define EP_NO(ep) ((ep->bEndpointAddress) & ~USB_DIR_IN) /* IN:1, OUT:0 */ -#define EP_DIR(ep) ((ep->bEndpointAddress) & USB_DIR_IN ? 1 : 0) -#define IMX_USB_NB_EP 6 - -/* Driver structures */ -struct imx_request { - struct usb_request req; - struct list_head queue; - unsigned int in_use; -}; - -enum ep0_state { - EP0_IDLE, - EP0_IN_DATA_PHASE, - EP0_OUT_DATA_PHASE, - EP0_CONFIG, - EP0_STALL, -}; - -struct imx_ep_struct { - struct usb_ep ep; - struct imx_udc_struct *imx_usb; - struct list_head queue; - unsigned char stopped; - unsigned char fifosize; - unsigned char bEndpointAddress; - unsigned char bmAttributes; -}; - -struct imx_udc_struct { - struct usb_gadget gadget; - struct usb_gadget_driver *driver; - struct device *dev; - struct imx_ep_struct imx_ep[IMX_USB_NB_EP]; - struct clk *clk; - struct timer_list timer; - enum ep0_state ep0state; - struct resource *res; - void __iomem *base; - unsigned char set_config; - int cfg, - intf, - alt, - usbd_int[7]; -}; - -/* USB registers */ -#define USB_FRAME (0x00) /* USB frame */ -#define USB_SPEC (0x04) /* USB Spec */ -#define USB_STAT (0x08) /* USB Status */ -#define USB_CTRL (0x0C) /* USB Control */ -#define USB_DADR (0x10) /* USB Desc RAM addr */ -#define USB_DDAT (0x14) /* USB Desc RAM/EP buffer data */ -#define USB_INTR (0x18) /* USB interrupt */ -#define USB_MASK (0x1C) /* USB Mask */ -#define USB_ENAB (0x24) /* USB Enable */ -#define USB_EP_STAT(x) (0x30 + (x*0x30)) /* USB status/control */ -#define USB_EP_INTR(x) (0x34 + (x*0x30)) /* USB interrupt */ -#define USB_EP_MASK(x) (0x38 + (x*0x30)) /* USB mask */ -#define USB_EP_FDAT(x) (0x3C + (x*0x30)) /* USB FIFO data */ -#define USB_EP_FDAT0(x) (0x3C + (x*0x30)) /* USB FIFO data */ -#define USB_EP_FDAT1(x) (0x3D + (x*0x30)) /* USB FIFO data */ -#define USB_EP_FDAT2(x) (0x3E + (x*0x30)) /* USB FIFO data */ -#define USB_EP_FDAT3(x) (0x3F + (x*0x30)) /* USB FIFO data */ -#define USB_EP_FSTAT(x) (0x40 + (x*0x30)) /* USB FIFO status */ -#define USB_EP_FCTRL(x) (0x44 + (x*0x30)) /* USB FIFO control */ -#define USB_EP_LRFP(x) (0x48 + (x*0x30)) /* USB last rd f. pointer */ -#define USB_EP_LWFP(x) (0x4C + (x*0x30)) /* USB last wr f. pointer */ -#define USB_EP_FALRM(x) (0x50 + (x*0x30)) /* USB FIFO alarm */ -#define USB_EP_FRDP(x) (0x54 + (x*0x30)) /* USB FIFO read pointer */ -#define USB_EP_FWRP(x) (0x58 + (x*0x30)) /* USB FIFO write pointer */ -/* USB Control Register Bit Fields.*/ -#define CTRL_CMDOVER (1<<6) /* UDC status */ -#define CTRL_CMDERROR (1<<5) /* UDC status */ -#define CTRL_FE_ENA (1<<3) /* Enable Font End logic */ -#define CTRL_UDC_RST (1<<2) /* UDC reset */ -#define CTRL_AFE_ENA (1<<1) /* Analog Font end enable */ -#define CTRL_RESUME (1<<0) /* UDC resume */ -/* USB Status Register Bit Fields.*/ -#define STAT_RST (1<<8) -#define STAT_SUSP (1<<7) -#define STAT_CFG (3<<5) -#define STAT_INTF (3<<3) -#define STAT_ALTSET (7<<0) -/* USB Interrupt Status/Mask Registers Bit fields */ -#define INTR_WAKEUP (1<<31) /* Wake up Interrupt */ -#define INTR_MSOF (1<<7) /* Missed Start of Frame */ -#define INTR_SOF (1<<6) /* Start of Frame */ -#define INTR_RESET_STOP (1<<5) /* Reset Signaling stop */ -#define INTR_RESET_START (1<<4) /* Reset Signaling start */ -#define INTR_RESUME (1<<3) /* Suspend to resume */ -#define INTR_SUSPEND (1<<2) /* Active to suspend */ -#define INTR_FRAME_MATCH (1<<1) /* Frame matched */ -#define INTR_CFG_CHG (1<<0) /* Configuration change occurred */ -/* USB Enable Register Bit Fields.*/ -#define ENAB_RST (1<<31) /* Reset USB modules */ -#define ENAB_ENAB (1<<30) /* Enable USB modules*/ -#define ENAB_SUSPEND (1<<29) /* Suspend USB modules */ -#define ENAB_ENDIAN (1<<28) /* Endian of USB modules */ -#define ENAB_PWRMD (1<<0) /* Power mode of USB modules */ -/* USB Descriptor Ram Address Register bit fields */ -#define DADR_CFG (1<<31) /* Configuration */ -#define DADR_BSY (1<<30) /* Busy status */ -#define DADR_DADR (0x1FF) /* Descriptor Ram Address */ -/* USB Descriptor RAM/Endpoint Buffer Data Register bit fields */ -#define DDAT_DDAT (0xFF) /* Descriptor Endpoint Buffer */ -/* USB Endpoint Status Register bit fields */ -#define EPSTAT_BCOUNT (0x7F<<16) /* Endpoint FIFO byte count */ -#define EPSTAT_SIP (1<<8) /* Endpoint setup in progress */ -#define EPSTAT_DIR (1<<7) /* Endpoint transfer direction */ -#define EPSTAT_MAX (3<<5) /* Endpoint Max packet size */ -#define EPSTAT_TYP (3<<3) /* Endpoint type */ -#define EPSTAT_ZLPS (1<<2) /* Send zero length packet */ -#define EPSTAT_FLUSH (1<<1) /* Endpoint FIFO Flush */ -#define EPSTAT_STALL (1<<0) /* Force stall */ -/* USB Endpoint FIFO Status Register bit fields */ -#define FSTAT_FRAME_STAT (0xF<<24) /* Frame status bit [0-3] */ -#define FSTAT_ERR (1<<22) /* FIFO error */ -#define FSTAT_UF (1<<21) /* FIFO underflow */ -#define FSTAT_OF (1<<20) /* FIFO overflow */ -#define FSTAT_FR (1<<19) /* FIFO frame ready */ -#define FSTAT_FULL (1<<18) /* FIFO full */ -#define FSTAT_ALRM (1<<17) /* FIFO alarm */ -#define FSTAT_EMPTY (1<<16) /* FIFO empty */ -/* USB Endpoint FIFO Control Register bit fields */ -#define FCTRL_WFR (1<<29) /* Write frame end */ -/* USB Endpoint Interrupt Status Regsiter bit fields */ -#define EPINTR_FIFO_FULL (1<<8) /* fifo full */ -#define EPINTR_FIFO_EMPTY (1<<7) /* fifo empty */ -#define EPINTR_FIFO_ERROR (1<<6) /* fifo error */ -#define EPINTR_FIFO_HIGH (1<<5) /* fifo high */ -#define EPINTR_FIFO_LOW (1<<4) /* fifo low */ -#define EPINTR_MDEVREQ (1<<3) /* multi Device request */ -#define EPINTR_EOT (1<<2) /* fifo end of transfer */ -#define EPINTR_DEVREQ (1<<1) /* Device request */ -#define EPINTR_EOF (1<<0) /* fifo end of frame */ - -/* Debug macros */ -#ifdef DEBUG - -/* #define DEBUG_REQ */ -/* #define DEBUG_TRX */ -/* #define DEBUG_INIT */ -/* #define DEBUG_EP0 */ -/* #define DEBUG_EPX */ -/* #define DEBUG_IRQ */ -/* #define DEBUG_EPIRQ */ -/* #define DEBUG_DUMP */ -/* #define DEBUG_ERR */ - -#ifdef DEBUG_REQ - #define D_REQ(dev, args...) dev_dbg(dev, ## args) -#else - #define D_REQ(dev, args...) do {} while (0) -#endif /* DEBUG_REQ */ - -#ifdef DEBUG_TRX - #define D_TRX(dev, args...) dev_dbg(dev, ## args) -#else - #define D_TRX(dev, args...) do {} while (0) -#endif /* DEBUG_TRX */ - -#ifdef DEBUG_INIT - #define D_INI(dev, args...) dev_dbg(dev, ## args) -#else - #define D_INI(dev, args...) do {} while (0) -#endif /* DEBUG_INIT */ - -#ifdef DEBUG_EP0 - static const char *state_name[] = { - "EP0_IDLE", - "EP0_IN_DATA_PHASE", - "EP0_OUT_DATA_PHASE", - "EP0_CONFIG", - "EP0_STALL" - }; - #define D_EP0(dev, args...) dev_dbg(dev, ## args) -#else - #define D_EP0(dev, args...) do {} while (0) -#endif /* DEBUG_EP0 */ - -#ifdef DEBUG_EPX - #define D_EPX(dev, args...) dev_dbg(dev, ## args) -#else - #define D_EPX(dev, args...) do {} while (0) -#endif /* DEBUG_EP0 */ - -#ifdef DEBUG_IRQ - static void dump_intr(const char *label, int irqreg, struct device *dev) - { - dev_dbg(dev, "<%s> USB_INTR=[%s%s%s%s%s%s%s%s%s]\n", label, - (irqreg & INTR_WAKEUP) ? " wake" : "", - (irqreg & INTR_MSOF) ? " msof" : "", - (irqreg & INTR_SOF) ? " sof" : "", - (irqreg & INTR_RESUME) ? " resume" : "", - (irqreg & INTR_SUSPEND) ? " suspend" : "", - (irqreg & INTR_RESET_STOP) ? " noreset" : "", - (irqreg & INTR_RESET_START) ? " reset" : "", - (irqreg & INTR_FRAME_MATCH) ? " fmatch" : "", - (irqreg & INTR_CFG_CHG) ? " config" : ""); - } -#else - #define dump_intr(x, y, z) do {} while (0) -#endif /* DEBUG_IRQ */ - -#ifdef DEBUG_EPIRQ - static void dump_ep_intr(const char *label, int nr, int irqreg, - struct device *dev) - { - dev_dbg(dev, "<%s> EP%d_INTR=[%s%s%s%s%s%s%s%s%s]\n", label, nr, - (irqreg & EPINTR_FIFO_FULL) ? " full" : "", - (irqreg & EPINTR_FIFO_EMPTY) ? " fempty" : "", - (irqreg & EPINTR_FIFO_ERROR) ? " ferr" : "", - (irqreg & EPINTR_FIFO_HIGH) ? " fhigh" : "", - (irqreg & EPINTR_FIFO_LOW) ? " flow" : "", - (irqreg & EPINTR_MDEVREQ) ? " mreq" : "", - (irqreg & EPINTR_EOF) ? " eof" : "", - (irqreg & EPINTR_DEVREQ) ? " devreq" : "", - (irqreg & EPINTR_EOT) ? " eot" : ""); - } -#else - #define dump_ep_intr(x, y, z, i) do {} while (0) -#endif /* DEBUG_IRQ */ - -#ifdef DEBUG_DUMP - static void dump_usb_stat(const char *label, - struct imx_udc_struct *imx_usb) - { - int temp = __raw_readl(imx_usb->base + USB_STAT); - - dev_dbg(imx_usb->dev, - "<%s> USB_STAT=[%s%s CFG=%d, INTF=%d, ALTR=%d]\n", label, - (temp & STAT_RST) ? " reset" : "", - (temp & STAT_SUSP) ? " suspend" : "", - (temp & STAT_CFG) >> 5, - (temp & STAT_INTF) >> 3, - (temp & STAT_ALTSET)); - } - - static void dump_ep_stat(const char *label, - struct imx_ep_struct *imx_ep) - { - int temp = __raw_readl(imx_ep->imx_usb->base - + USB_EP_INTR(EP_NO(imx_ep))); - - dev_dbg(imx_ep->imx_usb->dev, - "<%s> EP%d_INTR=[%s%s%s%s%s%s%s%s%s]\n", - label, EP_NO(imx_ep), - (temp & EPINTR_FIFO_FULL) ? " full" : "", - (temp & EPINTR_FIFO_EMPTY) ? " fempty" : "", - (temp & EPINTR_FIFO_ERROR) ? " ferr" : "", - (temp & EPINTR_FIFO_HIGH) ? " fhigh" : "", - (temp & EPINTR_FIFO_LOW) ? " flow" : "", - (temp & EPINTR_MDEVREQ) ? " mreq" : "", - (temp & EPINTR_EOF) ? " eof" : "", - (temp & EPINTR_DEVREQ) ? " devreq" : "", - (temp & EPINTR_EOT) ? " eot" : ""); - - temp = __raw_readl(imx_ep->imx_usb->base - + USB_EP_STAT(EP_NO(imx_ep))); - - dev_dbg(imx_ep->imx_usb->dev, - "<%s> EP%d_STAT=[%s%s bcount=%d]\n", - label, EP_NO(imx_ep), - (temp & EPSTAT_SIP) ? " sip" : "", - (temp & EPSTAT_STALL) ? " stall" : "", - (temp & EPSTAT_BCOUNT) >> 16); - - temp = __raw_readl(imx_ep->imx_usb->base - + USB_EP_FSTAT(EP_NO(imx_ep))); - - dev_dbg(imx_ep->imx_usb->dev, - "<%s> EP%d_FSTAT=[%s%s%s%s%s%s%s]\n", - label, EP_NO(imx_ep), - (temp & FSTAT_ERR) ? " ferr" : "", - (temp & FSTAT_UF) ? " funder" : "", - (temp & FSTAT_OF) ? " fover" : "", - (temp & FSTAT_FR) ? " fready" : "", - (temp & FSTAT_FULL) ? " ffull" : "", - (temp & FSTAT_ALRM) ? " falarm" : "", - (temp & FSTAT_EMPTY) ? " fempty" : ""); - } - - static void dump_req(const char *label, struct imx_ep_struct *imx_ep, - struct usb_request *req) - { - int i; - - if (!req || !req->buf) { - dev_dbg(imx_ep->imx_usb->dev, - "<%s> req or req buf is free\n", label); - return; - } - - if ((!EP_NO(imx_ep) && imx_ep->imx_usb->ep0state - == EP0_IN_DATA_PHASE) - || (EP_NO(imx_ep) && EP_DIR(imx_ep))) { - - dev_dbg(imx_ep->imx_usb->dev, - "<%s> request dump <", label); - for (i = 0; i < req->length; i++) - printk("%02x-", *((u8 *)req->buf + i)); - printk(">\n"); - } - } - -#else - #define dump_ep_stat(x, y) do {} while (0) - #define dump_usb_stat(x, y) do {} while (0) - #define dump_req(x, y, z) do {} while (0) -#endif /* DEBUG_DUMP */ - -#ifdef DEBUG_ERR - #define D_ERR(dev, args...) dev_dbg(dev, ## args) -#else - #define D_ERR(dev, args...) do {} while (0) -#endif - -#else - #define D_REQ(dev, args...) do {} while (0) - #define D_TRX(dev, args...) do {} while (0) - #define D_INI(dev, args...) do {} while (0) - #define D_EP0(dev, args...) do {} while (0) - #define D_EPX(dev, args...) do {} while (0) - #define dump_ep_intr(x, y, z, i) do {} while (0) - #define dump_intr(x, y, z) do {} while (0) - #define dump_ep_stat(x, y) do {} while (0) - #define dump_usb_stat(x, y) do {} while (0) - #define dump_req(x, y, z) do {} while (0) - #define D_ERR(dev, args...) do {} while (0) -#endif /* DEBUG */ - -#endif /* __LINUX_USB_GADGET_IMX_H */ |