ACK: [linux-oem][PATCH] UBUNTU: SAUCE: Remove ubuntu/usb-cv
Kai Heng Feng
kai.heng.feng at canonical.com
Thu Mar 8 06:21:14 UTC 2018
> On Feb 14, 2018, at 6:41 PM, Wen-chien Jesse Sung
> <jesse.sung at canonical.com> wrote:
>
> BugLink: https://launchpad.net/bugs/1749412
>
> This commit reverts "UBUNTU: SAUCE: Support fw upgrade for CAC Reader
> BCM58102".
>
> Signed-off-by: Wen-chien Jesse Sung <jesse.sung at canonical.com>
Acked-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
> ---
> ubuntu/Makefile | 6 -
> ubuntu/usb-cv/Makefile | 1 -
> ubuntu/usb-cv/usb-cv.c | 1106 ------------------------------------------------
> ubuntu/usb-cv/usb-cv.h | 192 ---------
> 4 files changed, 1305 deletions(-)
> delete mode 100644 ubuntu/usb-cv/Makefile
> delete mode 100644 ubuntu/usb-cv/usb-cv.c
> delete mode 100644 ubuntu/usb-cv/usb-cv.h
>
> diff --git a/ubuntu/Makefile b/ubuntu/Makefile
> index d9a36cb..934baef 100644
> --- a/ubuntu/Makefile
> +++ b/ubuntu/Makefile
> @@ -37,12 +37,6 @@ endif
> ##
> ##
> ##
> -ifeq ($(ARCH),x86)
> -obj-y += usb-cv/
> -endif
> -##
> -##
> -##
> ##
> ##
> ##
> diff --git a/ubuntu/usb-cv/Makefile b/ubuntu/usb-cv/Makefile
> deleted file mode 100644
> index 40654ab..0000000
> --- a/ubuntu/usb-cv/Makefile
> +++ /dev/null
> @@ -1 +0,0 @@
> -obj-m += usb-cv.o
> diff --git a/ubuntu/usb-cv/usb-cv.c b/ubuntu/usb-cv/usb-cv.c
> deleted file mode 100644
> index 86020dd..0000000
> --- a/ubuntu/usb-cv/usb-cv.c
> +++ /dev/null
> @@ -1,1106 +0,0 @@
> -/******************************************************************************
> - *
> - * Copyright 2017
> - * Broadcom Limited
> - * 1 Yishun Avenue 7, Singapore 768923, Singapore
> - *
> -
> *****************************************************************************/
> -
> -#include <linux/string.h>
> -#include <linux/mm.h>
> -#include "usb-cv.h"
> -#include <linux/fs.h>
> -#include <linux/sched.h>
> -#include <linux/uaccess.h>
> -
> -
> -volatile int int_urb_status = -1;
> -volatile int tx_bulk_in_sig = 0;
> -volatile int rx_bulk_in_sig = 0;
> -volatile int ush_is_in_sbl = 0;
> -volatile int reply_received_ush_is_in_sbl = 0;
> -
> -int packet_for_sbi_in_sbl = 0;
> -
> -struct write_buffer {
> - unsigned int cmd_length; //Use int for both 32 and 64 bit kernel
> - unsigned char cmd_buffer[1];
> -};
> -
> -typedef unsigned int cv_transport_type;
> -typedef unsigned short cv_command_id;
> -
> -typedef struct td_cv_host_control_get_request {
> - cv_transport_type transportType; /* CV_TRANS_TYPE_HOST_CONTROL */
> - uint32_t transportLen; /* length of entire transport block in bytes */
> - cv_command_id commandID; /* CV_HOST_CONTROL_GET_REQUEST */
> -} /*__attribute__((__packed__))*/ cv_host_control_get_request;
> -
> -/* table of devices that work with this driver */
> -static struct usb_device_id cv_dev_table [] = {
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_0000) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5800) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5801) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5802) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5804) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5805) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5821) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5822) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5823) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5824) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5825) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5826) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5830) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5831) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5832) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5833) },
> - { USB_DEVICE(USB_CV_VENDOR_ID, USB_CV_PID_5834) },
> - { } /* Terminating entry */
> -};
> -
> -MODULE_DEVICE_TABLE (usb, cv_dev_table);
> -
> -static DEFINE_MUTEX(cv_dev_usb_mutex);
> -
> -static struct usb_driver cv_dev_driver;
> -
> -
> -void* KMalloc(size_t size, int flags)
> -{
> - void *pMem;
> - pMem = kmalloc(size, flags);
> - DBG_PRINT(INFO_DBG, "kmalloc: 0x%x (0x%x) bytes at: %p\n",
> (int)size, flags, pMem);
> - return pMem;
> -}
> -
> -
> -void KFree(void* pMem)
> -{
> - DBG_PRINT(INFO_DBG, "kfree: %p\n", pMem);
> - kfree(pMem);
> -}
> -
> -
> -
> -int txCmdOk(struct usb_cv *dev)
> -{
> - unsigned long start;
> - unsigned long cur;
> - unsigned long deltaTime;
> - int txstatus;
> -
> - DBG_PRINT(INFO_DBG, "TX cmd in progress\n");
> - start = jiffies;
> - while (!tx_bulk_in_sig) {
> - txstatus = (dev->bulk_out_urb)->status;
> -
> - if(!packet_for_sbi_in_sbl) msleep(2);
> -
> - cur = jiffies;
> - deltaTime = cur - start;
> -
> - if (deltaTime > MAX_WAIT_TX_TIME*HZ) {
> - DBG_PRINT(ERR_DBG, "TX timeout, waited %d
> seconds\n", (unsigned int)(deltaTime/HZ));
> - return 0;
> - }
> - }
> -
> - // check if status error
> - txstatus = dev->tx_status;
> - if (txstatus) {
> - DBG_PRINT(ERR_DBG, "tx error 0x%x\n", txstatus);
> - return 0;
> - }
> -
> - DBG_PRINT(INFO_DBG, "TX cmd done, urb->status: 0x%x\n", txstatus);
> -
> - // tx ok
> - return 1;
> -}
> -
> -
> -void waitForResponse(struct usb_cv *dev)
> -{
> - unsigned long start;
> - unsigned long cur;
> - unsigned long deltaTime;
> -
> - DBG_PRINT(INFO_DBG, "Waiting for RX response in progress\n");
> - start = jiffies;
> - while (!rx_bulk_in_sig) {
> -
> - if(!packet_for_sbi_in_sbl) msleep(10);
> -
> - cur = jiffies;
> - deltaTime = cur - start;
> -
> - if (deltaTime > MAX_WAIT_RX_TIME*HZ) {
> - DBG_PRINT(ERR_DBG, "RX timeout, waited %d
> seconds\n", (unsigned int)(deltaTime/HZ));
> - break;
> - }
> - }
> -}
> -
> -
> -void displayDump(int outLen, unsigned char *buf)
> -{
> - char tmp[4] = "";
> - char tmpl[4] = "";
> - int i = 0, j = 0;
> - int k = 0;
> - char content[DISPLEN*3+1], display[DISPLEN+1];
> - char contentl[DISPLEN*3+1];//, displayl[DISPLEN+1];
> -
> - if((NULL==buf)||(0==outLen)) {
> - DBG_PRINT(ERR_DBG, "Wrong input to the functions check at
> %d, in %s\n", __LINE__-2, __FILE__);
> - }
> -
> - content[0] = display[0] = display[DISPLEN] = '\0';
> - contentl[0] = '\0';
> -
> - // check length
> - if (outLen>0x100) {
> - DBG_PRINT(INFO_DBG,"Buffer Length: 0x%x, only printing
> 0x100\n", outLen);
> - outLen=0x100;
> - }
> -
> - do{
> - sprintf(tmp, "%02x ", buf[i]);
> - sprintf(tmpl, "%02x ", buf[i]);
> - strcat(content, tmp);
> -
> - /* printk adds new line, don't print now */
> - /* DBG_PRINT(ERR_DBG,tmp); */
> - display[i%DISPLEN] = '.';
> -
> - if((buf[i]>31)&&(buf[i]<127))
> - display[i%DISPLEN] = buf[i];
> -
> - i++;
> - k++;
> -
> - if(k%8 == 0) {
> - /* Print this way due to new line added by printk */
> - DBG_PRINT(INFO_DBG,"%s\t\t%s",content,display);
> - /*
> - DBG_PRINT(INFO_DBG,"%s",display);
> - DBG_PRINT(INFO_DBG,"\n");
> - */
> - }
> -
> - if (0 == (i%DISPLEN)) {
> - display[DISPLEN] = '\0';
> - content[0] = display[0] = '\0';
> - continue;
> - }
> -
> - if (i == outLen) {
> - display[i%DISPLEN] = '\0';
> - for(j = (i%DISPLEN); j < DISPLEN; j++) {
> - /* Each byte takes 3 spaces */
> - strcat(contentl, " ");
> - }
> -
> - /* Print this way due to new line added by printk */
> - DBG_PRINT(INFO_DBG,"%s%s\t\t%s",content, contentl, display);
> - /*
> - DBG_PRINT(ERR_DBG,"\t%s",contentl);
> - DBG_PRINT(ERR_DBG,"\t%s\n",display);
> - */
> - }
> -
> - } while(i<outLen);
> -
> - DBG_PRINT(INFO_DBG,"\n");
> -}
> -
> -
> -static void cv_dev_delete(struct kref *kref)
> -{
> - struct usb_cv *dev = to_cv_dev(kref);
> -
> - /* free memory allocated for interrupt buffer */
> -
> - if(dev->udev != NULL)
> - usb_put_dev(dev->udev);
> -
> - if(dev != NULL)
> - KFree (dev);
> -}
> -
> -
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
> -static void cv_dev_read_interrupt_callback (struct urb *urb, struct
> pt_regs *regs)
> -#else
> -static void cv_dev_read_interrupt_callback (struct urb *urb)
> -#endif
> -
> -{
> - struct usb_cv *dev;
> - dev = (struct usb_cv *)urb->context;
> - int_urb_status = urb->status;
> -
> - DBG_PRINT(INFO_DBG, "In cv_dev_read_interrupt_callback: %d,
> actual_length: 0x%x\n", urb->status, urb->actual_length);
> -
> - switch (urb->status) {
> - case 0: /* success */
> - break;
> - case -ECONNRESET: /* unlink */
> - case -ENOENT:
> - case -ESHUTDOWN:
> - //case -EPROTO: /* This happens before
> disconnecting (USH rebooting), still submitting here */
> - return;
> - /* -EPIPE: should clear the halt */
> - default: /* error */
> - DBG_PRINT(ERR_DBG, "resubmitting the urb in interrupt_callback :%d\n",
> - urb->status);
> - }
> -
> - int_urb_status = usb_submit_urb (urb, GFP_ATOMIC);
> - if (int_urb_status)
> - DBG_PRINT(ERR_DBG,"can't resubmit urb in read interrupt callback\n");
> -
> - return;
> -}
> -
> -
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
> -static void cv_dev_read_bulk_callback (struct urb *urb, struct pt_regs
> *regs)
> -#else
> -static void cv_dev_read_bulk_callback (struct urb *urb)
> -#endif
> -{
> - struct usb_cv *dev = urb->context;
> - int status, len;
> - int submit_urb = 0;
> -
> - DBG_PRINT(INFO_DBG, "CV, In cv_dev_read_bulk_callback()\n");
> -
> - if(ush_is_in_sbl && reply_received_ush_is_in_sbl)
> - {
> - DBG_PRINT(INFO_DBG, "Reply in SBL has been received, don't
> process in cv_dev_read_bulk_callback\n");
> - return;
> - }
> -
> - status = urb->status;
> -
> - if(status == -EPROTO)
> - {
> - /* This happens before disconnecting (USH rebooting), don't
> destroy the data received previously */
> - DBG_PRINT(INFO_DBG, "EPROTO, don't process in
> cv_dev_read_bulk_callback\n");
> - return;
> - }
> -
> - dev->actual_length = urb->actual_length;
> - dev->rx_status = urb->status;
> -
> - DBG_PRINT(INFO_DBG, "In cv_dev_read_bulk_callback: %d,
> actual_length: 0x%x\n", status, urb->actual_length);
> - len = urb->actual_length;
> -
> - switch (status) {
> - case 0: /* success */
> - break;
> - case -ECONNRESET: /* unlink */
> - case -ENOENT:
> - case -ESHUTDOWN:
> - memset(dev->bulk_in_buffer, '\0', IN_BUFFER_SIZE);
> - rx_bulk_in_sig = 1;
> - return;
> - /* -EPIPE: should clear the halt */
> - default: /* error */
> - memset(dev->bulk_in_buffer, '\0', IN_BUFFER_SIZE);
> - DBG_PRINT(ERR_DBG, "resubmitting the urb in read
> bulk callback :%d\n", status);
> - }
> -
> - if(ush_is_in_sbl)
> - {
> - // Don't submit if reply has been received when in SBL mode
> - if(!reply_received_ush_is_in_sbl)
> - {
> - submit_urb = 1;
> - reply_received_ush_is_in_sbl = 1;
> - }
> - }
> - else
> - {
> - submit_urb = 1;
> - }
> -
> - if(submit_urb)
> - {
> - status = usb_submit_urb(urb, GFP_ATOMIC);
> - if (status)
> - DBG_PRINT(ERR_DBG,"can't resubmit read urb \n");
> - }
> -
> - rx_bulk_in_sig = 1;
> -}
> -
> -
> -static int cv_dev_open(struct inode *inode, struct file *file)
> -{
> - struct usb_cv *dev;
> - struct usb_interface *interface;
> - int subminor;
> - int retval = 0;
> - int_urb_status = -1;
> -
> - DBG_PRINT(INFO_DBG,"CV, In cv_dev_open()\n");
> -
> - mutex_lock(&cv_dev_usb_mutex);
> -
> - subminor = iminor(inode);
> -
> - interface = usb_find_interface(&cv_dev_driver, subminor);
> -
> - if (!interface) {
> - DBG_PRINT(ERR_DBG,"%s - error, can't find device for minor
> %d\n", __FUNCTION__, subminor);
> - retval = -ENODEV;
> - goto exit;
> - }
> -
> - dev = usb_get_intfdata(interface);
> -
> - if (!dev) {
> - retval = -ENODEV;
> - goto exit;
> - }
> -
> - spin_lock(&dev->cv_lock);
> -
> - /* increment our usage count for the device */
> - kref_get(&dev->kref);
> -
> - spin_unlock(&dev->cv_lock);
> -
> - /* save our object in the file's private structure */
> - file->private_data = dev;
> -
> -exit:
> - mutex_unlock(&cv_dev_usb_mutex);
> - return retval;
> -}
> -
> -
> -static int cv_dev_release(struct inode *inode, struct file *file)
> -{
> - struct usb_cv *dev;
> -
> - DBG_PRINT(INFO_DBG, "CV, In cv_dev_release()\n");
> -
> - dev = (struct usb_cv *)file->private_data;
> -
> - if (dev == NULL) {
> - return -ENODEV;
> - }
> -
> - spin_lock(&dev->cv_lock);
> -
> - /* decrement the count on our device */
> - kref_put(&dev->kref, cv_dev_delete);
> -
> - spin_unlock(&dev->cv_lock);
> -
> - return 0;
> -}
> -
> -
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
> -static void cv_dev_write_bulk_callback(struct urb *urb, struct pt_regs
> *regs)
> -#else
> -static void cv_dev_write_bulk_callback(struct urb *urb)
> -#endif
> -{
> - struct usb_cv *dev = urb->context;
> - int status;
> -
> - DBG_PRINT(INFO_DBG, "CV, In cv_dev_write_bulk_callback()\n");
> -
> - int_urb_status = -1;
> -
> - status = urb->status;
> -
> - DBG_PRINT(INFO_DBG, "In cv_dev_write_bulk_callback, status: %d,
> actual_length: %d\n", status, urb->actual_length);
> -
> - /* sync/async unlink faults aren't errors */
> - if (status) {
> - if (status == -ENOENT ||
> - status == -ECONNRESET ||
> - status == -ESHUTDOWN) {
> - goto exit;
> - } else {
> - DBG_PRINT(ERR_DBG, "nonzero status received: %d\n", status);
> - }
> - }
> -
> -exit:
> -
> - dev->tx_status = status;
> -
> - if(dev->bulk_out_buffer != NULL) {
> - KFree(dev->bulk_out_buffer);
> - dev->bulk_out_buffer=NULL;
> - }
> -
> - if(dev->bulk_out_urb != NULL)
> - usb_free_urb(dev->bulk_out_urb);
> -
> - // signal that the tx has completed
> - tx_bulk_in_sig = 1;
> -}
> -
> -
> -static void cv_dev_submit_cmd_tasklet(unsigned long data)
> -{
> - struct usb_cv *dev;
> - int retval;
> -
> - DBG_PRINT(INFO_DBG, "CV, In cv_dev_submit_cmd_tasklet()\n");
> -
> - dev = (struct usb_cv *)data;
> -
> - spin_lock(&dev->cv_lock);
> -
> - /* create a urb, and a buffer for it, and copy the data to the urb */
> - dev->bulk_out_urb = usb_alloc_urb(0, GFP_ATOMIC);
> -
> - if (!dev->bulk_out_urb) {
> - retval = -ENOMEM;
> - spin_unlock(&dev->cv_lock);
> - return;
> - }
> -
> - /* initialize the urb properly */
> - usb_fill_bulk_urb(dev->bulk_out_urb,
> - dev->udev,
> - usb_sndbulkpipe(dev->udev, dev->bulk_out_endpointAddr),
> - dev->bulk_out_buffer,
> - dev->write_count,
> - cv_dev_write_bulk_callback,
> - dev);
> -
> - /* send the data out the bulk port */
> - retval = usb_submit_urb(dev->bulk_out_urb, GFP_ATOMIC);
> - if (retval) {
> - DBG_PRINT(ERR_DBG,"%s - failed submitting write urb, error
> %d\n", __FUNCTION__, retval);
> - }
> -
> - spin_unlock(&dev->cv_lock);
> -}
> -
> -
> -static ssize_t cv_dev_submit_cmd(struct file *file, struct usb_cv *dev,
> const char __user *user_buffer)
> -{
> - int retval=0;
> - int count;
> - void __user *argp = (void __user *)user_buffer;
> - struct write_buffer *wbuffer = NULL;
> - struct write_buffer *rbuffer = (struct write_buffer *)argp;
> - int curr_buf_size;
> - unsigned char *curr_buf_ptr;
> - bool last_packet_for_sbi_in_sbl = 0;
> -
> - DBG_PRINT(INFO_DBG, "CV, In cv_dev_submit_cmd()\n");
> -
> - spin_lock(&dev->cv_lock);
> -
> - // Get length at beginning of the user_buffer
> - if (copy_from_user(&count, argp, sizeof(int))) {
> - DBG_PRINT(ERR_DBG,"Copy length failed in %s\n",__FUNCTION__);
> - retval = -EFAULT;
> - goto error;
> - }
> -
> - //FW Upgrade packets for SBI in SBL
> - if(count & FW_UPGRADE_IN_SBL_MASK)
> - {
> - //Clear the flag
> - count &= ~FW_UPGRADE_IN_SBL_MASK;
> - packet_for_sbi_in_sbl = 1;
> - }
> - else
> - {
> - packet_for_sbi_in_sbl = 0;
> - }
> -
> - if(count & FW_UPGRADE_IN_SBL_LAST_PKT_MASK)
> - {
> - DBG_PRINT(INFO_DBG,"Last pkt received in SBL\n");
> -
> - //Clear the flag
> - count &= ~FW_UPGRADE_IN_SBL_LAST_PKT_MASK;
> - last_packet_for_sbi_in_sbl = 1;
> - }
> - else
> - {
> - last_packet_for_sbi_in_sbl = 0;
> - }
> -
> - DBG_PRINT(INFO_DBG,"Received write request of %d bytes\n",(int)count);
> -
> - if (count > OUT_BUFFER_SIZE_LIMIT)
> - {
> - DBG_PRINT(ERR_DBG,"Write request length %d too long in
> %s\n", count, __FUNCTION__);
> - retval = -EFAULT;
> - goto error;
> - }
> -
> - //wbuffer = (struct write_buffer *)KMalloc(sizeof(struct
> write_buffer) + OUT_BUFFER_SIZE - sizeof(unsigned char),GFP_ATOMIC);
> - wbuffer = (struct write_buffer *)KMalloc(sizeof(struct
> write_buffer) + count - sizeof(unsigned char),GFP_ATOMIC);
> - if(wbuffer == NULL) {
> - DBG_PRINT(ERR_DBG,"Failed to KMalloc memory in %s\n",__FUNCTION__);
> - retval = -ENOMEM;
> - goto error;
> - }
> -
> - if (copy_from_user(wbuffer, argp, sizeof(struct write_buffer) +
> count - sizeof(unsigned char))) {
> - DBG_PRINT(ERR_DBG,"Copy failed in %s\n",__FUNCTION__);
> - retval = -EFAULT;
> - KFree(wbuffer);
> - goto error;
> - }
> -
> - DBG_PRINT(INFO_DBG,"In %s\n",__FUNCTION__);
> -
> -
> - if(packet_for_sbi_in_sbl)
> - {
> - wbuffer->cmd_length &= ~FW_UPGRADE_IN_SBL_MASK;
> - }
> -
> - if(last_packet_for_sbi_in_sbl)
> - {
> - wbuffer->cmd_length &= ~FW_UPGRADE_IN_SBL_LAST_PKT_MASK;
> - }
> -
> - curr_buf_size = wbuffer->cmd_length;
> - curr_buf_ptr = wbuffer->cmd_buffer;
> -
> - /* Increase alloc size to avoid errors when size is too small here */
> - dev->bulk_out_buffer = (char *)KMalloc(curr_buf_size < 512 ? 512 :
> curr_buf_size,GFP_ATOMIC);
> - dev->write_count = curr_buf_size;
> -
> - if (!dev->bulk_out_buffer) {
> - DBG_PRINT(ERR_DBG,"Failed to KMalloc memory in %s\n",__FUNCTION__);
> - retval = -ENOMEM;
> - KFree(wbuffer);
> - goto error;
> - }
> -
> - /* verify that we actually have some data to write */
> - if (curr_buf_size == 0) {
> - DBG_PRINT(ERR_DBG,"The Length of data to be written is zero\n");
> - KFree(wbuffer);
> - goto error;
> - }
> -
> - DBG_PRINT(INFO_DBG,"Current write request of %d bytes\n", curr_buf_size);
> -
> - memcpy(dev->bulk_out_buffer, curr_buf_ptr, curr_buf_size);
> -
> - DBG_PRINT(INFO_DBG, "Conforming write of \n");
> - displayDump(curr_buf_size, dev->bulk_out_buffer);
> -
> - if(file->f_flags & O_NONBLOCK) {
> -
> - spin_unlock(&dev->cv_lock);
> - tasklet_init(&dev->cv_dev_tl, cv_dev_submit_cmd_tasklet,
> (unsigned long)dev);
> - tasklet_schedule(&dev->cv_dev_tl);
> - tasklet_kill(&dev->cv_dev_tl);
> -
> - msleep(200);
> -
> - retval = dev->actual_length;
> - if (copy_to_user((void __user *)rbuffer->cmd_buffer,
> dev->bulk_in_buffer,dev->actual_length)) {
> - DBG_PRINT(ERR_DBG,"Copy to user failed in %s\n", __FUNCTION__);
> - retval = -EFAULT;
> - }
> -
> - DBG_PRINT(INFO_DBG, "Date read from device \n");
> - displayDump(dev->actual_length, dev->bulk_in_buffer);
> - goto error;
> -
> - } else {
> -
> - /* create a urb, and a buffer for it, and copy the data to the urb */
> - dev->bulk_out_urb = usb_alloc_urb(0, GFP_ATOMIC);
> - if (!dev->bulk_out_urb) {
> - DBG_PRINT(ERR_DBG,"Failed to allocate urb in %s\n", __FUNCTION__);
> - retval = -ENOMEM;
> - goto error;
> - }
> -
> - /* initialize the urb properly */
> - usb_fill_bulk_urb(dev->bulk_out_urb,
> - dev->udev,
> - usb_sndbulkpipe(dev->udev, dev->bulk_out_endpointAddr),
> - dev->bulk_out_buffer,
> - dev->write_count,
> - cv_dev_write_bulk_callback,
> - dev);
> -
> - // initialize bulk in parameters
> - memset(dev->bulk_in_buffer, '\0', IN_BUFFER_SIZE);
> - dev->actual_length = 0;
> - tx_bulk_in_sig = 0; // reset tx signal
> - rx_bulk_in_sig = 0; // reset rx signal
> -
> - /* send the data out the bulk port */
> - retval = usb_submit_urb(dev->bulk_out_urb, GFP_ATOMIC);
> - if (retval) {
> - DBG_PRINT(ERR_DBG,"%s - failed submitting write
> urb, error %d\n", __FUNCTION__, retval);
> - goto error;
> - }
> -
> - DBG_PRINT(INFO_DBG, "URB Submitted OK, waiting for tx complete\n");
> - if (!txCmdOk(dev)) {
> - DBG_PRINT(ERR_DBG,"Tx failed\n");
> - retval = -EFAULT;
> - goto error;
> - }
> -
> - if(packet_for_sbi_in_sbl && !last_packet_for_sbi_in_sbl)
> - {
> - DBG_PRINT(INFO_DBG,"SBI load in SBL, no response from USH expected\n");
> - retval = 0;
> - goto error;
> - }
> - }
> -
> - if(wbuffer != NULL)
> - KFree(wbuffer);
> -
> - if(!(file->f_flags & O_NONBLOCK))
> - {
> - DBG_PRINT(INFO_DBG, "Transmitted command, waiting for rx\n");
> - waitForResponse(dev);
> - if (dev->rx_status != 0) {
> - DBG_PRINT(ERR_DBG,"rx error: 0x%x\n", dev->rx_status);
> - retval = -EFAULT;
> - goto error;
> - }
> -
> - DBG_PRINT(INFO_DBG, "Completed the Bulk read request with
> %d bytes\n", dev->actual_length);
> - if (dev->actual_length == 0) {
> - DBG_PRINT(ERR_DBG,"failed to rx data\n");
> - retval = -EFAULT;
> - goto error;
> - }
> -
> - if (copy_to_user((void __user *)rbuffer->cmd_buffer,
> dev->bulk_in_buffer, dev->actual_length)) {
> - DBG_PRINT(ERR_DBG,"Copy to user failed in %s\n", __FUNCTION__);
> - retval = -EFAULT;
> - goto error;
> - }
> -
> - DBG_PRINT(INFO_DBG, "Data read from device \n");
> - displayDump(dev->actual_length, dev->bulk_in_buffer);
> -
> - retval = dev->actual_length;
> - }
> -
> -error:
> -
> - if (dev->bulk_out_buffer != NULL) {
> - KFree(dev->bulk_out_buffer);
> - dev->bulk_out_buffer=NULL;
> - }
> -
> - spin_unlock(&dev->cv_lock);
> - return retval;
> -}
> -
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
> -static int cv_dev_ioctl(struct inode *inode, struct file *file,
> unsigned int code, unsigned long value)
> -#else
> -/* Changed from static int to static long to get rid of compilation
> errors on Ubuntu 16.04 */
> -static long cv_dev_ioctl(struct file *file, unsigned int code, unsigned
> long value)
> -#endif
> -{
> - struct usb_cv *dev;
> - struct usb_interface *iface;
> - struct usb_device *udev;
> - int retval = 0;
> -
> - /*
> - * extract the type and number bitfields, and don't decode
> - * wrong cmds: return ENOTTY before verify_area()
> - */
> -
> - DBG_PRINT(INFO_DBG,"CV, In cv_dev_ioctl()\n");
> -
> - if(_IOC_TYPE(code) != CV_IOC_MAGIC) return -ENOTTY;
> - if(_IOC_NR(code) > CV_IOC_MAXNR) return -ENOTTY;
> -
> - dev = (struct usb_cv *)file->private_data;
> - iface = dev->interface;
> - udev = interface_to_usbdev (iface);
> -
> - switch(code) {
> -
> - case CV_SUBMIT_CMD:
> - DBG_PRINT(INFO_DBG,"Received CV_SUBMIT_COMMAND\n");
> - if(dev->bulk_in_buffer)
> - {
> - memset(dev->bulk_in_buffer, '\0', IN_BUFFER_SIZE);
> - retval = cv_dev_submit_cmd(file, dev, (void __user *)value);
> - }
> - else
> - {
> - DBG_PRINT(ERR_DBG,"dev->bulk_in_buffer is NULL\n");
> - retval = -EFAULT;
> - }
> - break;
> -
> - case CV_GET_COMMAND_STATUS:
> - DBG_PRINT(INFO_DBG,"Received CV_GET_COMMAND_STATUS\n");
> - if(dev->bulk_in_buffer)
> - {
> - memset(dev->bulk_in_buffer, '\0', IN_BUFFER_SIZE);
> - retval = cv_dev_submit_cmd(file, dev, (void __user *)value);
> - }
> - else
> - {
> - DBG_PRINT(ERR_DBG,"dev->bulk_in_buffer is NULL\n");
> - retval = -EFAULT;
> - }
> - break;
> -
> - default :
> - DBG_PRINT(ERR_DBG,"Unknown IOCTL request received\n");
> - break;
> - }
> -
> - return retval;
> -}
> -
> -
> -static struct file_operations cv_dev_fops = {
> - .owner = THIS_MODULE,
> - .open = cv_dev_open,
> - //.write = cv_dev_write,
> - .release = cv_dev_release,
> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
> - .ioctl = cv_dev_ioctl,
> -#else
> - /* compat_ioctl is for 32 bit user space applications. */
> - /* .unlocked_ioctl = cv_dev_ioctl, */
> - .compat_ioctl = cv_dev_ioctl,
> -#endif
> -};
> -
> -
> -/*
> - * usb class driver info in order to get a minor number from the usb core,
> - * and to have the device registered with devfs and the driver core
> - */
> -
> -static struct usb_class_driver cv_dev_class = {
> - .name = DEVICE_NAME"%d",
> - .fops = &cv_dev_fops,
> - //.mode = S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
> - .minor_base = USB_CV_MINOR_BASE,
> -};
> -
> -
> -static int cv_dev_probe(struct usb_interface *interface, const struct
> usb_device_id *id)
> -{
> - struct usb_cv *dev = NULL;
> - struct usb_host_interface *iface_desc;
> - struct usb_endpoint_descriptor *endpoint;
> - struct usb_device_descriptor descriptor;
> - int i;
> - int retval = -ENOMEM;
> - static int probe_on = 0;
> - int pipe;
> -
> - probe_on++;
> -
> - DBG_PRINT(INFO_DBG, "Interface Minor :%d\n",interface->minor);
> - DBG_PRINT(INFO_DBG, "BRCM CV_USB Device Driver First Cut \n");
> - /* Comment out to get built with Ubuntu 16.04 */
> - /* DBG_PRINT(INFO_DBG, "Built is %s %s\n",__DATE__,__TIME__); */
> -
> - /* allocate memory for our device state and initialize it */
> - dev = (struct usb_cv *)KMalloc(sizeof(struct usb_cv), GFP_ATOMIC);
> - if (dev == NULL) {
> - goto error;
> - }
> -
> - memset(dev, 0x00, sizeof (*dev));
> - kref_init(&dev->kref);
> -
> - dev->udev = usb_get_dev(interface_to_usbdev(interface));
> - dev->interface = interface;
> - descriptor = dev->udev->descriptor;
> -
> - /* Validate the VENDOR ID & PRODUCT ID */
> - if ( (descriptor.idVendor != USB_CV_VENDOR_ID) ||
> - ((descriptor.idProduct != USB_CV_PID_0000) &&
> - (descriptor.idProduct != USB_CV_PID_5800) &&
> - (descriptor.idProduct != USB_CV_PID_5801) &&
> - (descriptor.idProduct != USB_CV_PID_5802) &&
> - (descriptor.idProduct != USB_CV_PID_5804) &&
> - (descriptor.idProduct != USB_CV_PID_5805) &&
> - (descriptor.idProduct != USB_CV_PID_5821) &&
> - (descriptor.idProduct != USB_CV_PID_5822) &&
> - (descriptor.idProduct != USB_CV_PID_5823) &&
> - (descriptor.idProduct != USB_CV_PID_5824) &&
> - (descriptor.idProduct != USB_CV_PID_5825) &&
> - (descriptor.idProduct != USB_CV_PID_5826) &&
> - (descriptor.idProduct != USB_CV_PID_5830) &&
> - (descriptor.idProduct != USB_CV_PID_5831) &&
> - (descriptor.idProduct != USB_CV_PID_5832) &&
> - (descriptor.idProduct != USB_CV_PID_5833) &&
> - (descriptor.idProduct != USB_CV_PID_5834)) )
> - {
> - /* This is not an error case, so returning ZERO */
> - /* We need to free the memory allocated as this device is
> - no supported by this driver */
> - KFree(dev);
> - DBG_PRINT(INFO_DBG, "Probe on CV Driver for VENDOR:%X\tPRODUCT:%X\n",
> - descriptor.idVendor,descriptor.idProduct);
> - return 0;
> - }
> -
> - if(descriptor.idProduct == USB_CV_PID_5830)
> - {
> - ush_is_in_sbl = 1;
> - reply_received_ush_is_in_sbl = 0;
> - }
> - else
> - {
> - ush_is_in_sbl = 0;
> - }
> -
> - /* set up the endpoint information */
> - /* use only the first bulk-in and bulk-out endpoints */
> - iface_desc = interface->cur_altsetting;
> -
> - DBG_PRINT(ERR_DBG, " bLength = 0x%02x \n bDescriptorType = 0x%02x
> \n bcdUSB = 0x%02x \n bDeviceClass = 0x%02x \n bDeviceProtocol = 0x%02x
> \n bMaxPacketSize = 0x%02x \n idVendor = 0x%02x \n idProduct = 0x%02x \n
> bcdDevice = 0x%02x \n iManufacturer = 0x%02x \n iProduct = 0x%02x \n
> iSerialNumber = 0x%02x \n bNumConfigurations = 0x%02x \n",
> - descriptor.bLength, descriptor.bDescriptorType,
> descriptor.bcdUSB, descriptor.bDeviceClass,
> - descriptor.bDeviceProtocol,
> descriptor.bMaxPacketSize0, descriptor.idVendor, descriptor.idProduct,
> - descriptor.bcdDevice, descriptor.iManufacturer,
> descriptor.iProduct, descriptor.iSerialNumber,
> - descriptor.bNumConfigurations);
> -
> - if( (descriptor.bDeviceClass) || (descriptor.bDeviceSubClass) ||
> (descriptor.bDeviceProtocol)) {
> - DBG_PRINT(ERR_DBG, "Non Zero values of
> Class/SubClass/Protocol. Not a Composite device \n");
> - }
> -
> - DBG_PRINT(INFO_DBG, " bNumEndpoints = %d\n",
> iface_desc->desc.bNumEndpoints);
> -
> - for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
> - endpoint = &iface_desc->endpoint[i].desc;
> -
> - if (!dev->bulk_in_endpointAddr &&
> - (endpoint->bEndpointAddress & USB_DIR_IN) &&
> - ((endpoint->bmAttributes &
> USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
> - {
> - /* we found a bulk in endpoint */
> - DBG_PRINT(INFO_DBG, " found a bulk in endpoint %d\n", i);
> - dev->bulk_in_size = endpoint->wMaxPacketSize;
> - dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;
> - }
> -
> - /* Changed USB_DIR_IN to USB_DIR_OUT */
> - if (!dev->bulk_out_endpointAddr &&
> - !(endpoint->bEndpointAddress & USB_DIR_OUT) &&
> - ((endpoint->bmAttributes &
> USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
> - {
> - /* we found a bulk out endpoint */
> - DBG_PRINT(INFO_DBG, " found a bulk out endpoint %d\n", i);
> - dev->bulk_out_endpointAddr = endpoint->bEndpointAddress;
> - dev->bulk_out_size = endpoint->wMaxPacketSize;
> - }
> -
> - if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
> == USB_DIR_IN) &&
> - ((endpoint->bmAttributes &
> USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT))
> - {
> - DBG_PRINT(INFO_DBG, " found a interrupt endpoint %d\n", i);
> - dev->interrupt_in_endpoint = endpoint;
> - dev->interrupt_in_size = endpoint->wMaxPacketSize;
> - }
> - }
> -
> - if (probe_on%2 == 1) {
> -
> - if ( !(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr)) {
> - DBG_PRINT(ERR_DBG,"Could not find both bulk-in and
> bulk-out endpoints\n");
> - goto error;
> - }
> -
> - if( !dev->interrupt_in_endpoint ) {
> - DBG_PRINT(ERR_DBG,"Could not find interrupt_in_endpoint \n");
> - goto error;
> - }
> -
> - dev->interrupt_in_urb = usb_alloc_urb(0, GFP_ATOMIC);
> -
> - if (!dev->interrupt_in_urb) {
> - retval = -ENOMEM;
> - goto error;
> - }
> -
> - dev->interrupt_in_buffer = (unsigned char
> *)KMalloc(dev->interrupt_in_size, GFP_ATOMIC);
> - if (!dev->interrupt_in_buffer) {
> - retval = -ENOMEM;
> - usb_free_urb(dev->interrupt_in_urb);
> - goto error;
> - }
> -
> - memset(dev->interrupt_in_buffer, '\0',8);
> -
> - pipe = usb_rcvintpipe(dev->udev,
> dev->interrupt_in_endpoint->bEndpointAddress);
> -
> - usb_fill_int_urb(dev->interrupt_in_urb, dev->udev,pipe,
> - dev->interrupt_in_buffer, 8,
> - cv_dev_read_interrupt_callback, dev,
> - dev->interrupt_in_endpoint->bInterval);
> -
> - retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC);
> - if (retval) {
> - retval = -ENOMEM;
> - DBG_PRINT(ERR_DBG,"%s - failed submitting interrupt
> urb, error %d\n", __FUNCTION__, retval);
> - goto error;
> - }
> -
> - dev->bulk_in_urb = usb_alloc_urb(0, GFP_ATOMIC);
> -
> - if (!dev->bulk_in_urb) {
> - retval = -ENOMEM;
> - DBG_PRINT(ERR_DBG,"%s - failed to alloc_urb %d\n",
> __FUNCTION__, retval);
> - goto error;
> - }
> -
> - dev->bulk_in_buffer = (unsigned char
> *)KMalloc(IN_BUFFER_SIZE, GFP_ATOMIC);
> -
> - if(!dev->bulk_in_buffer) {
> - retval = -ENOMEM;
> - DBG_PRINT(ERR_DBG,"%s - failed to allocate memory
> %d\n", __FUNCTION__, retval);
> - usb_free_urb(dev->bulk_in_urb);
> - goto error;
> - }
> -
> - memset(dev->bulk_in_buffer, '\0', IN_BUFFER_SIZE);
> -
> - usb_fill_bulk_urb(dev->bulk_in_urb,
> - dev->udev,
> - usb_rcvbulkpipe(dev->udev, dev->bulk_in_endpointAddr),
> - dev->bulk_in_buffer,
> - IN_BUFFER_SIZE,
> - cv_dev_read_bulk_callback,
> - dev);
> -
> - retval = usb_submit_urb(dev->bulk_in_urb, GFP_ATOMIC);
> - if (retval) {
> - DBG_PRINT(ERR_DBG,"%s - failed submitting bulk urb,
> error %d\n", __FUNCTION__, retval);
> - goto error;
> - }
> -
> - spin_lock_init(&dev->cv_lock);
> -
> - }
> -
> - /* save our data pointer in this interface device */
> - usb_set_intfdata(interface, dev);
> -
> - /* we can register the device now, as it is ready */
> - retval = usb_register_dev(interface, &cv_dev_class);
> -
> - if (retval) {
> - /* something prevented us from registering this driver */
> - DBG_PRINT(ERR_DBG,"Not able to get a minor for this device.\n");
> - usb_set_intfdata(interface, NULL);
> - goto error;
> - }
> - /* let the user know what node this device is now attached to */
> - DBG_PRINT(ERR_DBG,"USB Credential Vault device now attached to
> USBCv-%d\n", interface->minor);
> - return 0;
> -
> -error:
> - if (dev)
> - kref_put(&dev->kref, cv_dev_delete);
> - return retval;
> -}
> -
> -
> -static void cv_dev_disconnect(struct usb_interface *interface)
> -{
> - struct usb_cv *dev;
> - int minor = interface->minor;
> -
> - if(interface != NULL) {
> -
> - /* prevent cv_dev_open() from racing cv_dev_disconnect() */
> - mutex_lock(&cv_dev_usb_mutex);
> -
> - dev = usb_get_intfdata(interface);
> -
> - if(dev!=NULL) {
> -
> - if(dev->interrupt_in_urb != NULL)
> - usb_kill_urb(dev->interrupt_in_urb);
> -
> - if(dev->interrupt_in_buffer != NULL)
> - KFree(dev->interrupt_in_buffer);
> -
> - if(dev->interrupt_in_urb != NULL)
> - usb_free_urb(dev->interrupt_in_urb);
> -
> - if(dev->bulk_in_urb != NULL)
> - usb_kill_urb(dev->bulk_in_urb);
> -
> - if(dev->bulk_in_buffer != NULL)
> - KFree(dev->bulk_in_buffer);
> -
> - if(dev->bulk_in_urb != NULL)
> - usb_free_urb(dev->bulk_in_urb);
> -
> - }
> -
> - usb_set_intfdata(interface, NULL);
> - /* give back our minor */
> - usb_deregister_dev(interface, &cv_dev_class);
> - mutex_unlock(&cv_dev_usb_mutex);
> -
> - /* decrement our usage count */
> - kref_put(&dev->kref, cv_dev_delete);
> - DBG_PRINT(ERR_DBG,"USB Credential Vault #%d now disconnected\n", minor);
> - }
> -
> -}
> -
> -
> -static struct usb_driver cv_dev_driver = {
> - .name = "Credential Vault",
> - .id_table = cv_dev_table,
> - .probe = cv_dev_probe,
> - .disconnect = cv_dev_disconnect,
> -};
> -
> -
> -static int __init usb_cv_dev_init(void)
> -{
> - int result;
> -
> - /* register this driver with the USB subsystem */
> - result = usb_register(&cv_dev_driver);
> - if (result)
> - DBG_PRINT(ERR_DBG,"usb_register failed. Error number %d\n", result);
> -
> - return result;
> -}
> -
> -
> -static void __exit usb_cv_dev_exit(void)
> -{
> - /* deregister this driver with the USB subsystem */
> - usb_deregister(&cv_dev_driver);
> -}
> -
> -module_init (usb_cv_dev_init);
> -module_exit (usb_cv_dev_exit);
> -
> -module_param(interval, int, S_IRUGO | S_IWUSR);
> -MODULE_PARM_DESC(interval, "Overrides interrupt interval");
> -MODULE_LICENSE("GPL");
> diff --git a/ubuntu/usb-cv/usb-cv.h b/ubuntu/usb-cv/usb-cv.h
> deleted file mode 100644
> index 65b2a16..0000000
> --- a/ubuntu/usb-cv/usb-cv.h
> +++ /dev/null
> @@ -1,192 +0,0 @@
> -/******************************************************************************
> - *
> - * Copyright 2017
> - * Broadcom Limited
> - * 1 Yishun Avenue 7, Singapore 768923, Singapore
> - *
> -
> *****************************************************************************/
> -#ifndef _USB_CV_H_
> -#define _USB_CV_H_
> -
> -#ifdef __KERNEL__
> -#include <linux/kernel.h>
> -#include <linux/errno.h>
> -#include <linux/init.h>
> -#include <linux/slab.h>
> -#include <linux/module.h>
> -#include <linux/kref.h>
> -#include <linux/usb.h>
> -#include <asm/uaccess.h>
> -#include <linux/version.h>
> -#include <linux/fs.h>
> -
> -
> -/* Define these values to match your devices */
> -#define USB_CV_VENDOR_ID 0x0a5c
> -
> -#define USB_CV_PID_0000 0x0000
> -
> -#define USB_CV_PID_5800 0x5800
> -#define USB_CV_PID_5801 0x5801
> -#define USB_CV_PID_5802 0x5802
> -#define USB_CV_PID_5804 0x5804
> -#define USB_CV_PID_5805 0x5805
> -#define USB_CV_PID_5821 0x5821
> -#define USB_CV_PID_5822 0x5822
> -#define USB_CV_PID_5823 0x5823
> -#define USB_CV_PID_5824 0x5824
> -#define USB_CV_PID_5825 0x5825
> -#define USB_CV_PID_5826 0x5826
> -#define USB_CV_PID_5830 0x5830
> -#define USB_CV_PID_5831 0x5831
> -#define USB_CV_PID_5832 0x5832
> -#define USB_CV_PID_5833 0x5833
> -#define USB_CV_PID_5834 0x5834
> -#endif
> -
> -#define CMD_BUF_SIZE 16*sizeof(unsigned char)
> -
> -#define CV_IOC_MAGIC 'k'
> -
> -#define CV_GET_LAST_COMMAND_STATUS _IOR(CV_IOC_MAGIC,1,int)
> -
> -#define CV_GET_LATEST_COMMAND_STATUS _IOR(CV_IOC_MAGIC,2,int)
> -
> -#define CV_GET_COMMAND_STATUS _IOR(CV_IOC_MAGIC,3,int)
> -
> -#define CV_GET_CONFIG_DESCRIPTOR _IOR(CV_IOC_MAGIC,4,int)
> -
> -#define CV_SUBMIT_CMD _IOW(CV_IOC_MAGIC,5,int)
> -
> -#define CV_BURN_FW _IOWR(CV_IOC_MAGIC,6,int)
> -
> -#define CV_HOST_CTL _IOWR(CV_IOC_MAGIC,7,int)
> -
> -
> -#define CV_IOC_MAXNR 7
> -
> -
> -#define GET_STATUS 0
> -
> -#define GET_DESCRIPTOR 0x06
> -
> -#define GET_CONFIGURATION 0x08
> -
> -
> -#define VENDOR_WRITE_REQUEST_TYPE 0x42 // 0100 0010
> -
> -#define VENDOR_READ_REQUEST_TYPE 0xC2 // 1100 0010
> -
> -
> -#define ERR_DBG 0
> -
> -#define INIT_DBG 1
> -
> -#define INFO_DBG 2
> -
> -#define TX_DBG 3
> -
> -#define INTR_DBG 4
> -
> -typedef unsigned short cv_command_id;
> -
> -#define FW_UPGRADE_IN_SBL_MASK 0x80000000
> -#define FW_UPGRADE_IN_SBL_LAST_PKT_MASK 0x40000000
> -
> -/* Get a minor range for your devices from the usb maintainer */
> -#define USB_CV_MINOR_BASE 192
> -#define BUFFER_SIZE 4096
> -#define IN_BUFFER_SIZE 99000
> -
> -#define OUT_BUFFER_SIZE 4096
> -#define OUT_BUFFER_SIZE_LIMIT 524288 /* 512 KB */
> -
> -#define DISPLEN 0x08
> -
> -
> -#define to_cv_dev(d) container_of(d, struct usb_cv, kref)
> -
> -#define DEVICE_NAME "usb/cv"
> -
> -#define MAX_WAIT_TX_TIME 10
> -#define MAX_WAIT_RX_TIME 10
> -
> -#ifdef __KERNEL__
> -/* Structure to hold all of our device specific stuff */
> -struct usb_cv {
> - spinlock_t cv_lock;
> - struct usb_device*
> udev; /* the usb device for this device */
> - struct usb_interface* interface; /*
> the interface for this device */
> -
> - size_t bulk_in_size; /* the size of the receive buffer */
> -
> - size_t
> bulk_out_size; /* the size of the maximum transmit buffer */
> -
> - size_t interrupt_in_size; /* the size of the interrupt buffer */
> -
> - __u8
> bulk_in_endpointAddr; /* the address of the bulk in endpoint */
> -
> - __u8
> bulk_out_endpointAddr; /* the address of the bulk out endpoint */
> -
> -
> -
> - struct usb_endpoint_descriptor* interrupt_in_endpoint;
> -
> -
> - struct urb* interrupt_in_urb;
> -
> - struct urb* bulk_in_urb;
> -
> - struct urb* bulk_out_urb;
> -
> - struct urb* descriptor_in_urb;
> -
> -
> -
> - unsigned char* interrupt_in_buffer;
> -
> - unsigned char* bulk_out_buffer;
> -
> - unsigned char* bulk_in_buffer;
> -
> - unsigned char* descriptor_in_buffer;
> -
> - unsigned char* cmd_in_buffer;
> -
> - unsigned char* out_buffer;
> -
> - unsigned char* in_buffer;
> -
> -
> -
> - struct usb_ctrlrequest* cr_desc;
> -
> - struct usb_ctrlrequest* cr_submit_cmd;
> -
> - struct usb_ctrlrequest* cr_get_cmd;
> -
> -
> -
> - int probe_done;
> -
> - int actual_length;
> -
> - struct tasklet_struct cv_dev_tl;
> -
> - int write_count;
> -
> - struct kref kref;
> -
> - int tx_status;
> -
> - int rx_status;
> -
> -};
> -#endif
> -
> -/* Global variable that defines the present debug level of the driver. */
> -static int debug_level = ERR_DBG;
> -static int interval = 1;
> -#define DBG_PRINT(dbg_level, args...) if(!(debug_level<dbg_level))
> printk(args)
> -
> -#endif /* _USB_CV_H_ */
> --
> 2.7.4
>
>
> --
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