You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
267 lines
7.6 KiB
267 lines
7.6 KiB
/* ==========================================================================
|
|
* $File: //dwh/usb_iip/dev/software/otg/linux/platform/dwc_otg_plat.h $
|
|
* $Revision: #23 $
|
|
* $Date: 2008/07/15 $
|
|
* $Change: 1064915 $
|
|
*
|
|
* Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
* "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
* otherwise expressly agreed to in writing between Synopsys and you.
|
|
*
|
|
* The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
* any End User Software License Agreement or Agreement for Licensed Product
|
|
* with Synopsys or any supplement thereto. You are permitted to use and
|
|
* redistribute this Software in source and binary forms, with or without
|
|
* modification, provided that redistributions of source code must retain this
|
|
* notice. You may not view, use, disclose, copy or distribute this file or
|
|
* any information contained herein except pursuant to this license grant from
|
|
* Synopsys. If you do not agree with this notice, including the disclaimer
|
|
* below, then you are not authorized to use the Software.
|
|
*
|
|
* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
* DAMAGE.
|
|
* ========================================================================== */
|
|
|
|
#if !defined(__DWC_OTG_PLAT_H__)
|
|
#define __DWC_OTG_PLAT_H__
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/list.h>
|
|
#include <linux/delay.h>
|
|
#include <asm/io.h>
|
|
|
|
/* Changed all readl and writel to __raw_readl, __raw_writel */
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* This file contains the Platform Specific constants, interfaces
|
|
* (functions and macros) for Linux.
|
|
*
|
|
*/
|
|
//#if !defined(__LINUX_ARM_ARCH__)
|
|
//#error "The contents of this file is Linux specific!!!"
|
|
//#endif
|
|
|
|
/**
|
|
* Reads the content of a register.
|
|
*
|
|
* @param reg address of register to read.
|
|
* @return contents of the register.
|
|
*
|
|
|
|
* Usage:<br>
|
|
* <code>uint32_t dev_ctl = dwc_read_reg32(&dev_regs->dctl);</code>
|
|
*/
|
|
static __inline__ uint32_t dwc_read_reg32( volatile uint32_t *reg)
|
|
{
|
|
return __raw_readl(reg);
|
|
// return readl(reg);
|
|
};
|
|
|
|
/**
|
|
* Writes a register with a 32 bit value.
|
|
*
|
|
* @param reg address of register to read.
|
|
* @param value to write to _reg.
|
|
*
|
|
* Usage:<br>
|
|
* <code>dwc_write_reg32(&dev_regs->dctl, 0); </code>
|
|
*/
|
|
static __inline__ void dwc_write_reg32( volatile uint32_t *reg, const uint32_t value)
|
|
{
|
|
// writel( value, reg );
|
|
__raw_writel(value, reg);
|
|
|
|
};
|
|
|
|
/**
|
|
* This function modifies bit values in a register. Using the
|
|
* algorithm: (reg_contents & ~clear_mask) | set_mask.
|
|
*
|
|
* @param reg address of register to read.
|
|
* @param clear_mask bit mask to be cleared.
|
|
* @param set_mask bit mask to be set.
|
|
*
|
|
* Usage:<br>
|
|
* <code> // Clear the SOF Interrupt Mask bit and <br>
|
|
* // set the OTG Interrupt mask bit, leaving all others as they were.
|
|
* dwc_modify_reg32(&dev_regs->gintmsk, DWC_SOF_INT, DWC_OTG_INT);</code>
|
|
*/
|
|
static __inline__
|
|
void dwc_modify_reg32( volatile uint32_t *reg, const uint32_t clear_mask, const uint32_t set_mask)
|
|
{
|
|
// writel( (readl(reg) & ~clear_mask) | set_mask, reg );
|
|
__raw_writel( (__raw_readl(reg) & ~clear_mask) | set_mask, reg );
|
|
};
|
|
|
|
|
|
/**
|
|
* Wrapper for the OS micro-second delay function.
|
|
* @param[in] usecs Microseconds of delay
|
|
*/
|
|
static __inline__ void UDELAY( const uint32_t usecs )
|
|
{
|
|
udelay( usecs );
|
|
}
|
|
|
|
/**
|
|
* Wrapper for the OS milli-second delay function.
|
|
* @param[in] msecs milliseconds of delay
|
|
*/
|
|
static __inline__ void MDELAY( const uint32_t msecs )
|
|
{
|
|
mdelay( msecs );
|
|
}
|
|
|
|
/**
|
|
* Wrapper for the Linux spin_lock. On the ARM (Integrator)
|
|
* spin_lock() is a nop.
|
|
*
|
|
* @param lock Pointer to the spinlock.
|
|
*/
|
|
static __inline__ void SPIN_LOCK( spinlock_t *lock )
|
|
{
|
|
spin_lock(lock);
|
|
}
|
|
|
|
/**
|
|
* Wrapper for the Linux spin_unlock. On the ARM (Integrator)
|
|
* spin_lock() is a nop.
|
|
*
|
|
* @param lock Pointer to the spinlock.
|
|
*/
|
|
static __inline__ void SPIN_UNLOCK( spinlock_t *lock )
|
|
{
|
|
spin_unlock(lock);
|
|
}
|
|
|
|
/**
|
|
* Wrapper (macro) for the Linux spin_lock_irqsave. On the ARM
|
|
* (Integrator) spin_lock() is a nop.
|
|
*
|
|
* @param l Pointer to the spinlock.
|
|
* @param f unsigned long for irq flags storage.
|
|
*/
|
|
#define SPIN_LOCK_IRQSAVE( l, f ) spin_lock_irqsave(l,f);
|
|
|
|
/**
|
|
* Wrapper (macro) for the Linux spin_unlock_irqrestore. On the ARM
|
|
* (Integrator) spin_lock() is a nop.
|
|
*
|
|
* @param l Pointer to the spinlock.
|
|
* @param f unsigned long for irq flags storage.
|
|
*/
|
|
#define SPIN_UNLOCK_IRQRESTORE( l,f ) spin_unlock_irqrestore(l,f);
|
|
|
|
/*
|
|
* Debugging support vanishes in non-debug builds.
|
|
*/
|
|
|
|
|
|
/**
|
|
* The Debug Level bit-mask variable.
|
|
*/
|
|
extern uint32_t g_dbg_lvl;
|
|
/**
|
|
* Set the Debug Level variable.
|
|
*/
|
|
static inline uint32_t SET_DEBUG_LEVEL( const uint32_t new )
|
|
{
|
|
uint32_t old = g_dbg_lvl;
|
|
g_dbg_lvl = new;
|
|
return old;
|
|
}
|
|
|
|
/** When debug level has the DBG_CIL bit set, display CIL Debug messages. */
|
|
#define DBG_CIL (0x2)
|
|
/** When debug level has the DBG_CILV bit set, display CIL Verbose debug
|
|
* messages */
|
|
#define DBG_CILV (0x20)
|
|
/** When debug level has the DBG_PCD bit set, display PCD (Device) debug
|
|
* messages */
|
|
#define DBG_PCD (0x4)
|
|
/** When debug level has the DBG_PCDV set, display PCD (Device) Verbose debug
|
|
* messages */
|
|
#define DBG_PCDV (0x40)
|
|
/** When debug level has the DBG_HCD bit set, display Host debug messages */
|
|
#define DBG_HCD (0x8)
|
|
/** When debug level has the DBG_HCDV bit set, display Verbose Host debug
|
|
* messages */
|
|
#define DBG_HCDV (0x80)
|
|
/** When debug level has the DBG_HCD_URB bit set, display enqueued URBs in host
|
|
* mode. */
|
|
#define DBG_HCD_URB (0x800)
|
|
#define DBG_HCD_FLOOD (0x1)
|
|
|
|
/** When debug level has any bit set, display debug messages */
|
|
#define DBG_ANY (0xFF)
|
|
|
|
/** All debug messages off */
|
|
#define DBG_OFF 0
|
|
|
|
/** Prefix string for DWC_DEBUG print macros. */
|
|
#define USB_DWC "DWC_otg: "
|
|
|
|
/**
|
|
* Print a debug message when the Global debug level variable contains
|
|
* the bit defined in <code>lvl</code>.
|
|
*
|
|
* @param[in] lvl - Debug level, use one of the DBG_ constants above.
|
|
* @param[in] x - like printf
|
|
*
|
|
* Example:<p>
|
|
* <code>
|
|
* DWC_DEBUGPL( DBG_ANY, "%s(%p)\n", __func__, _reg_base_addr);
|
|
* </code>
|
|
* <br>
|
|
* results in:<br>
|
|
* <code>
|
|
* usb-DWC_otg: dwc_otg_cil_init(ca867000)
|
|
* </code>
|
|
*/
|
|
#ifdef DEBUG
|
|
|
|
# define DWC_DEBUGPL(lvl, x...) do{ if ((lvl)&g_dbg_lvl)printk( KERN_DEBUG USB_DWC x ); }while(0)
|
|
# define DWC_DEBUGP(x...) DWC_DEBUGPL(DBG_ANY, x )
|
|
|
|
# define CHK_DEBUG_LEVEL(level) ((level) & g_dbg_lvl)
|
|
|
|
#else
|
|
|
|
# define DWC_DEBUGPL(lvl, x...) do{}while(0)
|
|
# define DWC_DEBUGP(x...)
|
|
|
|
# define CHK_DEBUG_LEVEL(level) (0)
|
|
|
|
#endif /*DEBUG*/
|
|
|
|
/**
|
|
* Print an Error message.
|
|
*/
|
|
#define DWC_ERROR(x...) printk( KERN_ERR USB_DWC x )
|
|
/**
|
|
* Print a Warning message.
|
|
*/
|
|
#define DWC_WARN(x...) printk( KERN_WARNING USB_DWC x )
|
|
/**
|
|
* Print a notice (normal but significant message).
|
|
*/
|
|
#define DWC_NOTICE(x...) printk( KERN_NOTICE USB_DWC x )
|
|
/**
|
|
* Basic message printing.
|
|
*/
|
|
#define DWC_PRINT(x...) printk( KERN_INFO USB_DWC x )
|
|
|
|
#endif
|
|
|
|
|