142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/*
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* Copyright (C) 2008 Sensoray Company Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/usb.h>
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#include <linux/firmware.h>
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#include <cypress_firmware.h>
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struct fw_config {
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u16 vendor;
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u16 product;
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const char * const fw_name1;
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const char * const fw_name2;
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};
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static struct fw_config fw_configs[] = {
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{ 0x1943, 0xa250, "go7007/s2250-1.fw", "go7007/s2250-2.fw" },
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{ 0x093b, 0xa002, "go7007/px-m402u.fw", NULL },
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{ 0x093b, 0xa004, "go7007/px-tv402u.fw", NULL },
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{ 0x0eb1, 0x6666, "go7007/lr192.fw", NULL },
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{ 0x0eb1, 0x6668, "go7007/wis-startrek.fw", NULL },
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{ 0, 0, NULL, NULL }
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};
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MODULE_FIRMWARE("go7007/s2250-1.fw");
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MODULE_FIRMWARE("go7007/s2250-2.fw");
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MODULE_FIRMWARE("go7007/px-m402u.fw");
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MODULE_FIRMWARE("go7007/px-tv402u.fw");
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MODULE_FIRMWARE("go7007/lr192.fw");
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MODULE_FIRMWARE("go7007/wis-startrek.fw");
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static int go7007_loader_probe(struct usb_interface *interface,
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const struct usb_device_id *id)
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{
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struct usb_device *usbdev;
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const struct firmware *fw;
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u16 vendor, product;
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const char *fw1, *fw2;
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int ret;
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int i;
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usbdev = usb_get_dev(interface_to_usbdev(interface));
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if (!usbdev)
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goto failed2;
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if (usbdev->descriptor.bNumConfigurations != 1) {
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dev_err(&interface->dev, "can't handle multiple config\n");
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goto failed2;
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}
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vendor = le16_to_cpu(usbdev->descriptor.idVendor);
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product = le16_to_cpu(usbdev->descriptor.idProduct);
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for (i = 0; fw_configs[i].fw_name1; i++)
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if (fw_configs[i].vendor == vendor &&
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fw_configs[i].product == product)
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break;
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/* Should never happen */
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if (fw_configs[i].fw_name1 == NULL)
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goto failed2;
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fw1 = fw_configs[i].fw_name1;
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fw2 = fw_configs[i].fw_name2;
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dev_info(&interface->dev, "loading firmware %s\n", fw1);
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if (request_firmware(&fw, fw1, &usbdev->dev)) {
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dev_err(&interface->dev,
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"unable to load firmware from file \"%s\"\n", fw1);
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goto failed2;
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}
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ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
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release_firmware(fw);
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if (0 != ret) {
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dev_err(&interface->dev, "loader download failed\n");
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goto failed2;
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}
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if (fw2 == NULL)
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return 0;
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if (request_firmware(&fw, fw2, &usbdev->dev)) {
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dev_err(&interface->dev,
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"unable to load firmware from file \"%s\"\n", fw2);
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goto failed2;
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}
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ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
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release_firmware(fw);
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if (0 != ret) {
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dev_err(&interface->dev, "firmware download failed\n");
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goto failed2;
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}
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return 0;
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failed2:
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usb_put_dev(usbdev);
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dev_err(&interface->dev, "probe failed\n");
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return -ENODEV;
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}
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static void go7007_loader_disconnect(struct usb_interface *interface)
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{
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dev_info(&interface->dev, "disconnect\n");
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usb_put_dev(interface_to_usbdev(interface));
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usb_set_intfdata(interface, NULL);
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}
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static const struct usb_device_id go7007_loader_ids[] = {
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{ USB_DEVICE(0x1943, 0xa250) },
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{ USB_DEVICE(0x093b, 0xa002) },
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{ USB_DEVICE(0x093b, 0xa004) },
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{ USB_DEVICE(0x0eb1, 0x6666) },
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{ USB_DEVICE(0x0eb1, 0x6668) },
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{} /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, go7007_loader_ids);
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static struct usb_driver go7007_loader_driver = {
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.name = "go7007-loader",
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.probe = go7007_loader_probe,
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.disconnect = go7007_loader_disconnect,
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.id_table = go7007_loader_ids,
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};
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module_usb_driver(go7007_loader_driver);
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MODULE_AUTHOR("");
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MODULE_DESCRIPTION("firmware loader for go7007-usb");
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MODULE_LICENSE("GPL v2");
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