#endif	hprt0_data_t val;	val.d32 = dwc_read_reg32 (otg_dev->core_if->host_if->hprt0);	return sprintf (buf, "Bus Suspend = 0x%x\n", val.b.prtsusp);}/** * Set the Bus Suspend status */static ssize_t bussuspend_store( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)				 struct device_attribute *attr,#endif				 const char *buf, 				 size_t count ) {#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	uint32_t in = simple_strtoul(buf, NULL, 16);	uint32_t *addr = (uint32_t *)otg_dev->core_if->host_if->hprt0;	hprt0_data_t mem;	mem.d32 = dwc_read_reg32(addr);	mem.b.prtsusp = in;	dev_dbg(_dev, "Storing Address=0x%08x Data=0x%08x\n", (uint32_t)addr, mem.d32);	dwc_write_reg32(addr, mem.d32);	return count;}DEVICE_ATTR(bussuspend, 0644, bussuspend_show, bussuspend_store);/** * Show the status of Remote Wakeup. */static ssize_t remote_wakeup_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)				   struct device_attribute *attr,#endif				   char *buf) {#ifndef DWC_HOST_ONLY#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	dctl_data_t val;	val.d32 = 		dwc_read_reg32( &otg_dev->core_if->dev_if->dev_global_regs->dctl);	return sprintf( buf, "Remote Wakeup = %d Enabled = %d\n", 			val.b.rmtwkupsig, otg_dev->pcd->remote_wakeup_enable);#else	return sprintf(buf, "Host Only Mode!\n");#endif}/** * Initiate a remote wakeup of the host.  The Device control register * Remote Wakeup Signal bit is written if the PCD Remote wakeup enable * flag is set. *  */static ssize_t remote_wakeup_store( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)				    struct device_attribute *attr,#endif				    const char *buf, 				    size_t count ) {#ifndef DWC_HOST_ONLY#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	uint32_t val = simple_strtoul(buf, NULL, 16);        	if (val&1) {		dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 1);	}	else {		dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 0);	}#endif	return count;}DEVICE_ATTR(remote_wakeup,  S_IRUGO|S_IWUSR, remote_wakeup_show, 	    remote_wakeup_store);/** * Dump global registers and either host or device registers (depending on the * current mode of the core). */static ssize_t regdump_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)			     struct device_attribute *attr,#endif			     char *buf) {#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif        dwc_otg_dump_global_registers( otg_dev->core_if);        if (dwc_otg_is_host_mode(otg_dev->core_if)) {                dwc_otg_dump_host_registers( otg_dev->core_if);        } else {                dwc_otg_dump_dev_registers( otg_dev->core_if);        }   	return sprintf( buf, "Register Dump\n" );}DEVICE_ATTR(regdump, S_IRUGO|S_IWUSR, regdump_show, 0);/** * Dump global registers and either host or device registers (depending on the * current mode of the core). */static ssize_t spramdump_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)			       struct device_attribute *attr,#endif			       char *buf) {#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif        dwc_otg_dump_spram( otg_dev->core_if);        return sprintf( buf, "SPRAM Dump\n" );}DEVICE_ATTR(spramdump, S_IRUGO|S_IWUSR, spramdump_show, 0);/** * Dump global registers and either host or device registers (depending on the * current mode of the core). */static ssize_t ep0descdump_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)				 struct device_attribute *attr,#endif				 char *buf) {#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	dwc_otg_dump_ep0desc( otg_dev->core_if);		return sprintf( buf, "Desc Dump\n" );}DEVICE_ATTR(ep0descdump, S_IRUGO|S_IWUSR, ep0descdump_show, 0);/** * Dump the current hcd state. */static ssize_t hcddump_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)			     struct device_attribute *attr,#endif			     char *buf) {#ifndef DWC_DEVICE_ONLY#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	dwc_otg_hcd_dump_state(otg_dev->hcd);#endif   	return sprintf( buf, "HCD Dump\n" );}DEVICE_ATTR(hcddump, S_IRUGO|S_IWUSR, hcddump_show, 0);/** * Dump the average frame remaining at SOF. This can be used to * determine average interrupt latency. Frame remaining is also shown for * start transfer and two additional sample points. */static ssize_t hcd_frrem_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)			       struct device_attribute *attr,#endif			       char *buf) {#ifndef DWC_DEVICE_ONLY#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	dwc_otg_hcd_dump_frrem(otg_dev->hcd);#endif   	return sprintf( buf, "HCD Dump Frame Remaining\n" );}DEVICE_ATTR(hcd_frrem, S_IRUGO|S_IWUSR, hcd_frrem_show, 0);/** * Displays the time required to read the GNPTXFSIZ register many times (the * output shows the number of times the register is read). */#define RW_REG_COUNT 10000000#define MSEC_PER_JIFFIE 1000/HZ	static ssize_t rd_reg_test_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)				 struct device_attribute *attr,#endif				 char *buf) {#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	int i;	int time;	int start_jiffies;	printk("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n",	       HZ, MSEC_PER_JIFFIE, loops_per_jiffy);	start_jiffies = jiffies;	for (i = 0; i < RW_REG_COUNT; i++) {		dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz);	}	time = jiffies - start_jiffies;   	return sprintf( buf, "Time to read GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n",			RW_REG_COUNT, time * MSEC_PER_JIFFIE, time );}DEVICE_ATTR(rd_reg_test, S_IRUGO|S_IWUSR, rd_reg_test_show, 0);/** * Displays the time required to write the GNPTXFSIZ register many times (the * output shows the number of times the register is written). */static ssize_t wr_reg_test_show( struct device *_dev,#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)				 struct device_attribute *attr,#endif				 char *buf) {#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)	struct lm_device *lm_dev = container_of(_dev, struct lm_device, dev);	dwc_otg_device_t *otg_dev = lm_get_drvdata(lm_dev);#else	dwc_otg_device_t *otg_dev = dev_get_drvdata(_dev);#endif	uint32_t reg_val;	int i;	int time;	int start_jiffies;	printk("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n",	       HZ, MSEC_PER_JIFFIE, loops_per_jiffy);	reg_val = dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz);	start_jiffies = jiffies;	for (i = 0; i < RW_REG_COUNT; i++) {		dwc_write_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz, reg_val);	}	time = jiffies - start_jiffies;   	return sprintf( buf, "Time to write GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n",			RW_REG_COUNT, time * MSEC_PER_JIFFIE, time);}DEVICE_ATTR(wr_reg_test, S_IRUGO|S_IWUSR, wr_reg_test_show, 0);/**@}*//** * Create the device files */void dwc_otg_attr_create (struct lm_device *lmdev){	device_create_file(&lmdev->dev, &dev_attr_regoffset);	device_create_file(&lmdev->dev, &dev_attr_regvalue);	device_create_file(&lmdev->dev, &dev_attr_mode);	device_create_file(&lmdev->dev, &dev_attr_hnpcapable);	device_create_file(&lmdev->dev, &dev_attr_srpcapable);	device_create_file(&lmdev->dev, &dev_attr_hnp);	device_create_file(&lmdev->dev, &dev_attr_srp);	device_create_file(&lmdev->dev, &dev_attr_buspower);	device_create_file(&lmdev->dev, &dev_attr_bussuspend);	device_create_file(&lmdev->dev, &dev_attr_busconnected);	device_create_file(&lmdev->dev, &dev_attr_gotgctl);	device_create_file(&lmdev->dev, &dev_attr_gusbcfg);	device_create_file(&lmdev->dev, &dev_attr_grxfsiz);	device_create_file(&lmdev->dev, &dev_attr_gnptxfsiz);	device_create_file(&lmdev->dev, &dev_attr_gpvndctl);	device_create_file(&lmdev->dev, &dev_attr_ggpio);	device_create_file(&lmdev->dev, &dev_attr_guid);	device_create_file(&lmdev->dev, &dev_attr_gsnpsid);	device_create_file(&lmdev->dev, &dev_attr_devspeed);	device_create_file(&lmdev->dev, &dev_attr_enumspeed);	device_create_file(&lmdev->dev, &dev_attr_hptxfsiz);	device_create_file(&lmdev->dev, &dev_attr_hprt0);	device_create_file(&lmdev->dev, &dev_attr_remote_wakeup);	device_create_file(&lmdev->dev, &dev_attr_regdump);	device_create_file(&lmdev->dev, &dev_attr_spramdump);	device_create_file(&lmdev->dev, &dev_attr_ep0descdump);	device_create_file(&lmdev->dev, &dev_attr_hcddump);	device_create_file(&lmdev->dev, &dev_attr_hcd_frrem);	device_create_file(&lmdev->dev, &dev_attr_rd_reg_test);	device_create_file(&lmdev->dev, &dev_attr_wr_reg_test);}/** * Remove the device files */void dwc_otg_attr_remove (struct lm_device *lmdev){	device_remove_file(&lmdev->dev, &dev_attr_regoffset);	device_remove_file(&lmdev->dev, &dev_attr_regvalue);	device_remove_file(&lmdev->dev, &dev_attr_mode);	device_remove_file(&lmdev->dev, &dev_attr_hnpcapable);	device_remove_file(&lmdev->dev, &dev_attr_srpcapable);	device_remove_file(&lmdev->dev, &dev_attr_hnp);	device_remove_file(&lmdev->dev, &dev_attr_srp);	device_remove_file(&lmdev->dev, &dev_attr_buspower);	device_remove_file(&lmdev->dev, &dev_attr_bussuspend);	device_remove_file(&lmdev->dev, &dev_attr_busconnected);	device_remove_file(&lmdev->dev, &dev_attr_gotgctl);	device_remove_file(&lmdev->dev, &dev_attr_gusbcfg);	device_remove_file(&lmdev->dev, &dev_attr_grxfsiz);	device_remove_file(&lmdev->dev, &dev_attr_gnptxfsiz);	device_remove_file(&lmdev->dev, &dev_attr_gpvndctl);	device_remove_file(&lmdev->dev, &dev_attr_ggpio);	device_remove_file(&lmdev->dev, &dev_attr_guid);	device_remove_file(&lmdev->dev, &dev_attr_gsnpsid);	device_remove_file(&lmdev->dev, &dev_attr_devspeed);	device_remove_file(&lmdev->dev, &dev_attr_enumspeed);	device_remove_file(&lmdev->dev, &dev_attr_hptxfsiz);	device_remove_file(&lmdev->dev, &dev_attr_hprt0);      	device_remove_file(&lmdev->dev, &dev_attr_remote_wakeup);      	device_remove_file(&lmdev->dev, &dev_attr_regdump);	device_remove_file(&lmdev->dev, &dev_attr_spramdump);	device_remove_file(&lmdev->dev, &dev_attr_ep0descdump);	device_remove_file(&lmdev->dev, &dev_attr_hcddump);	device_remove_file(&lmdev->dev, &dev_attr_hcd_frrem);	device_remove_file(&lmdev->dev, &dev_attr_rd_reg_test);	device_remove_file(&lmdev->dev, &dev_attr_wr_reg_test);}