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path: root/drivers/usb/gadget/imx_udc.h
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Diffstat (limited to 'drivers/usb/gadget/imx_udc.h')
-rw-r--r--drivers/usb/gadget/imx_udc.h351
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 d118fb7..0000000
--- 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 */