linux_dsm_epyc7002/drivers/media/usb/go7007/go7007-loader.c
Thomas Gleixner 1802d0beec treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation this program is
  distributed in the hope that it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 655 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:41 -07:00

134 lines
3.3 KiB
C

// 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)) {
dev_err(&interface->dev,
"unable to load firmware from file \"%s\"\n", fw1);
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)) {
dev_err(&interface->dev,
"unable to load firmware from file \"%s\"\n", fw2);
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");