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path: root/drivers/staging/media/go7007/go7007-loader.c
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Diffstat (limited to 'drivers/staging/media/go7007/go7007-loader.c')
-rw-r--r--drivers/staging/media/go7007/go7007-loader.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/drivers/staging/media/go7007/go7007-loader.c b/drivers/staging/media/go7007/go7007-loader.c
new file mode 100644
index 00000000000..f846ad5819d
--- /dev/null
+++ b/drivers/staging/media/go7007/go7007-loader.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2008 Sensoray Company Inc.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.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;
+};
+
+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");
+ return -ENODEV;
+ }
+
+ 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:
+ 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_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");