+++ /dev/null
-/*=====================================================
- * CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved.
- *
- *
- * This file is part of Express Card USB Driver
- *
- * $Id:
- *====================================================
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include "ft1000_usb.h"
-
-#include <linux/kthread.h>
-
-MODULE_DESCRIPTION("FT1000 EXPRESS CARD DRIVER");
-MODULE_LICENSE("Dual MPL/GPL");
-MODULE_SUPPORTED_DEVICE("QFT FT1000 Express Cards");
-
-void *pFileStart;
-size_t FileLength;
-
-#define VENDOR_ID 0x1291 /* Qualcomm vendor id */
-#define PRODUCT_ID 0x11 /* fake product id */
-
-/* table of devices that work with this driver */
-static struct usb_device_id id_table[] = {
- {USB_DEVICE(VENDOR_ID, PRODUCT_ID)},
- {},
-};
-
-MODULE_DEVICE_TABLE(usb, id_table);
-
-static bool gPollingfailed;
-static int ft1000_poll_thread(void *arg)
-{
- int ret;
-
- while (!kthread_should_stop()) {
- usleep_range(10000, 11000);
- if (!gPollingfailed) {
- ret = ft1000_poll(arg);
- if (ret != 0) {
- pr_debug("polling failed\n");
- gPollingfailed = true;
- }
- }
- }
- return 0;
-}
-
-static int ft1000_probe(struct usb_interface *interface,
- const struct usb_device_id *id)
-{
- struct usb_host_interface *iface_desc;
- struct usb_endpoint_descriptor *endpoint;
- struct usb_device *dev;
- unsigned numaltsetting;
- int i, ret = 0, size;
-
- struct ft1000_usb *ft1000dev;
- struct ft1000_info *pft1000info = NULL;
- const struct firmware *dsp_fw;
-
- ft1000dev = kzalloc(sizeof(struct ft1000_usb), GFP_KERNEL);
- if (!ft1000dev)
- return -ENOMEM;
-
- dev = interface_to_usbdev(interface);
- pr_debug("usb device descriptor info - number of configuration is %d\n",
- dev->descriptor.bNumConfigurations);
-
- ft1000dev->dev = dev;
- ft1000dev->status = 0;
- ft1000dev->net = NULL;
- ft1000dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
- ft1000dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!ft1000dev->tx_urb || !ft1000dev->rx_urb) {
- ret = -ENOMEM;
- goto err_fw;
- }
-
- numaltsetting = interface->num_altsetting;
- pr_debug("number of alt settings is: %d\n", numaltsetting);
- iface_desc = interface->cur_altsetting;
- pr_debug("number of endpoints is: %d\n",
- iface_desc->desc.bNumEndpoints);
- pr_debug("descriptor type is: %d\n", iface_desc->desc.bDescriptorType);
- pr_debug("interface number is: %d\n",
- iface_desc->desc.bInterfaceNumber);
- pr_debug("alternatesetting is: %d\n",
- iface_desc->desc.bAlternateSetting);
- pr_debug("interface class is: %d\n", iface_desc->desc.bInterfaceClass);
- pr_debug("control endpoint info:\n");
- pr_debug("descriptor0 type -- %d\n",
- iface_desc->endpoint[0].desc.bmAttributes);
- pr_debug("descriptor1 type -- %d\n",
- iface_desc->endpoint[1].desc.bmAttributes);
- pr_debug("descriptor2 type -- %d\n",
- iface_desc->endpoint[2].desc.bmAttributes);
-
- for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
- endpoint =
- (struct usb_endpoint_descriptor *)&iface_desc->
- endpoint[i].desc;
- pr_debug("endpoint %d\n", i);
- pr_debug("bEndpointAddress=%x, bmAttributes=%x\n",
- endpoint->bEndpointAddress, endpoint->bmAttributes);
- if ((endpoint->bEndpointAddress & USB_DIR_IN)
- && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_BULK)) {
- ft1000dev->bulk_in_endpointAddr =
- endpoint->bEndpointAddress;
- pr_debug("in: %d\n", endpoint->bEndpointAddress);
- }
-
- if (!(endpoint->bEndpointAddress & USB_DIR_IN)
- && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_BULK)) {
- ft1000dev->bulk_out_endpointAddr =
- endpoint->bEndpointAddress;
- pr_debug("out: %d\n", endpoint->bEndpointAddress);
- }
- }
-
- pr_debug("bulk_in=%d, bulk_out=%d\n",
- ft1000dev->bulk_in_endpointAddr,
- ft1000dev->bulk_out_endpointAddr);
-
- ret = request_firmware(&dsp_fw, "ft3000.img", &dev->dev);
- if (ret < 0) {
- dev_err(interface->usb_dev, "Error request_firmware()\n");
- goto err_fw;
- }
-
- size = max_t(uint, dsp_fw->size, 4096);
- pFileStart = kmalloc(size, GFP_KERNEL);
-
- if (!pFileStart) {
- release_firmware(dsp_fw);
- ret = -ENOMEM;
- goto err_fw;
- }
-
- memcpy(pFileStart, dsp_fw->data, dsp_fw->size);
- FileLength = dsp_fw->size;
- release_firmware(dsp_fw);
-
- pr_debug("start downloading dsp image...\n");
-
- ret = init_ft1000_netdev(ft1000dev);
- if (ret)
- goto err_load;
-
- pft1000info = netdev_priv(ft1000dev->net);
-
- pr_debug("pft1000info=%p\n", pft1000info);
- ret = dsp_reload(ft1000dev);
- if (ret) {
- dev_err(interface->usb_dev,
- "Problem with DSP image loading\n");
- goto err_load;
- }
-
- gPollingfailed = false;
- ft1000dev->pPollThread =
- kthread_run(ft1000_poll_thread, ft1000dev, "ft1000_poll");
-
- if (IS_ERR(ft1000dev->pPollThread)) {
- ret = PTR_ERR(ft1000dev->pPollThread);
- goto err_load;
- }
-
- msleep(500);
-
- while (!pft1000info->CardReady) {
- if (gPollingfailed) {
- ret = -EIO;
- goto err_thread;
- }
- msleep(100);
- pr_debug("Waiting for Card Ready\n");
- }
-
- pr_debug("Card Ready!!!! Registering network device\n");
-
- ret = reg_ft1000_netdev(ft1000dev, interface);
- if (ret)
- goto err_thread;
-
- ft1000dev->NetDevRegDone = 1;
-
- return 0;
-
-err_thread:
- kthread_stop(ft1000dev->pPollThread);
-err_load:
- kfree(pFileStart);
-err_fw:
- usb_free_urb(ft1000dev->rx_urb);
- usb_free_urb(ft1000dev->tx_urb);
- kfree(ft1000dev);
- return ret;
-}
-
-static void ft1000_disconnect(struct usb_interface *interface)
-{
- struct ft1000_info *pft1000info;
- struct ft1000_usb *ft1000dev;
-
- pft1000info = (struct ft1000_info *)usb_get_intfdata(interface);
- pr_debug("In disconnect pft1000info=%p\n", pft1000info);
-
- if (pft1000info) {
- ft1000dev = pft1000info->priv;
- if (ft1000dev->pPollThread)
- kthread_stop(ft1000dev->pPollThread);
-
- pr_debug("threads are terminated\n");
-
- if (ft1000dev->net) {
- pr_debug("destroy char driver\n");
- ft1000_destroy_dev(ft1000dev->net);
- unregister_netdev(ft1000dev->net);
- pr_debug("network device unregistered\n");
- free_netdev(ft1000dev->net);
-
- }
-
- usb_free_urb(ft1000dev->rx_urb);
- usb_free_urb(ft1000dev->tx_urb);
-
- pr_debug("urb freed\n");
-
- kfree(ft1000dev);
- }
- kfree(pFileStart);
-}
-
-static struct usb_driver ft1000_usb_driver = {
- .name = "ft1000usb",
- .probe = ft1000_probe,
- .disconnect = ft1000_disconnect,
- .id_table = id_table,
-};
-
-module_usb_driver(ft1000_usb_driver);
Code Review / kvmfornfv.git / blobdiff