[linux-oem][PATCH] UBUNTU: SAUCE: Remove ubuntu/usb-cv
Wen-chien Jesse Sung
jesse.sung at canonical.com
Wed Feb 14 10:41:01 UTC 2018
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>
---
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
More information about the kernel-team
mailing list