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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2008 Sensoray Company Inc.
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/firmware.h>
#include <cypress_firmware.h>
struct fw_config {
u16 vendor;
u16 product;
const char * const fw_name1;
const char * const fw_name2;
};
static struct fw_config fw_configs[] = {
{ 0x1943, 0xa250, "go7007/s2250-1.fw", "go7007/s2250-2.fw" },
{ 0x093b, 0xa002, "go7007/px-m402u.fw", NULL },
{ 0x093b, 0xa004, "go7007/px-tv402u.fw", NULL },
{ 0x0eb1, 0x6666, "go7007/lr192.fw", NULL },
{ 0x0eb1, 0x6668, "go7007/wis-startrek.fw", NULL },
{ 0, 0, NULL, NULL }
};
MODULE_FIRMWARE("go7007/s2250-1.fw");
MODULE_FIRMWARE("go7007/s2250-2.fw");
MODULE_FIRMWARE("go7007/px-m402u.fw");
MODULE_FIRMWARE("go7007/px-tv402u.fw");
MODULE_FIRMWARE("go7007/lr192.fw");
MODULE_FIRMWARE("go7007/wis-startrek.fw");
static int go7007_loader_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *usbdev;
const struct firmware *fw;
u16 vendor, product;
const char *fw1, *fw2;
int ret;
int i;
usbdev = usb_get_dev(interface_to_usbdev(interface));
if (!usbdev)
goto failed2;
if (usbdev->descriptor.bNumConfigurations != 1) {
dev_err(&interface->dev, "can't handle multiple config\n");
goto failed2;
}
vendor = le16_to_cpu(usbdev->descriptor.idVendor);
product = le16_to_cpu(usbdev->descriptor.idProduct);
for (i = 0; fw_configs[i].fw_name1; i++)
if (fw_configs[i].vendor == vendor &&
fw_configs[i].product == product)
break;
/* Should never happen */
if (fw_configs[i].fw_name1 == NULL)
goto failed2;
fw1 = fw_configs[i].fw_name1;
fw2 = fw_configs[i].fw_name2;
dev_info(&interface->dev, "loading firmware %s\n", fw1);
if (request_firmware(&fw, fw1, &usbdev->dev))
goto failed2;
ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
release_firmware(fw);
if (0 != ret) {
dev_err(&interface->dev, "loader download failed\n");
goto failed2;
}
if (fw2 == NULL)
return 0;
if (request_firmware(&fw, fw2, &usbdev->dev))
goto failed2;
ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
release_firmware(fw);
if (0 != ret) {
dev_err(&interface->dev, "firmware download failed\n");
goto failed2;
}
return 0;
failed2:
usb_put_dev(usbdev);
dev_err(&interface->dev, "probe failed\n");
return -ENODEV;
}
static void go7007_loader_disconnect(struct usb_interface *interface)
{
dev_info(&interface->dev, "disconnect\n");
usb_put_dev(interface_to_usbdev(interface));
usb_set_intfdata(interface, NULL);
}
static const struct usb_device_id go7007_loader_ids[] = {
{ USB_DEVICE(0x1943, 0xa250) },
{ USB_DEVICE(0x093b, 0xa002) },
{ USB_DEVICE(0x093b, 0xa004) },
{ USB_DEVICE(0x0eb1, 0x6666) },
{ USB_DEVICE(0x0eb1, 0x6668) },
{} /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, go7007_loader_ids);
static struct usb_driver go7007_loader_driver = {
.name = "go7007-loader",
.probe = go7007_loader_probe,
.disconnect = go7007_loader_disconnect,
.id_table = go7007_loader_ids,
};
module_usb_driver(go7007_loader_driver);
MODULE_AUTHOR("");
MODULE_DESCRIPTION("firmware loader for go7007-usb");
MODULE_LICENSE("GPL v2");
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