diff options
Diffstat (limited to 'drivers/staging/ft1000/ft1000-usb/ft1000_usb.c')
| -rw-r--r-- | drivers/staging/ft1000/ft1000-usb/ft1000_usb.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c deleted file mode 100644 index fd255c62083f..000000000000 --- a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c +++ /dev/null @@ -1,252 +0,0 @@ -/*===================================================== - * CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved. - * - * - * This file is part of Express Card USB Driver - *==================================================== - */ - -#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); |