1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2008 Sensoray Company Inc. 4 */ 5 6 #include <linux/module.h> 7 #include <linux/slab.h> 8 #include <linux/usb.h> 9 #include <linux/firmware.h> 10 #include <cypress_firmware.h> 11 12 struct fw_config { 13 u16 vendor; 14 u16 product; 15 const char * const fw_name1; 16 const char * const fw_name2; 17 }; 18 19 static struct fw_config fw_configs[] = { 20 { 0x1943, 0xa250, "go7007/s2250-1.fw", "go7007/s2250-2.fw" }, 21 { 0x093b, 0xa002, "go7007/px-m402u.fw", NULL }, 22 { 0x093b, 0xa004, "go7007/px-tv402u.fw", NULL }, 23 { 0x0eb1, 0x6666, "go7007/lr192.fw", NULL }, 24 { 0x0eb1, 0x6668, "go7007/wis-startrek.fw", NULL }, 25 { 0, 0, NULL, NULL } 26 }; 27 MODULE_FIRMWARE("go7007/s2250-1.fw"); 28 MODULE_FIRMWARE("go7007/s2250-2.fw"); 29 MODULE_FIRMWARE("go7007/px-m402u.fw"); 30 MODULE_FIRMWARE("go7007/px-tv402u.fw"); 31 MODULE_FIRMWARE("go7007/lr192.fw"); 32 MODULE_FIRMWARE("go7007/wis-startrek.fw"); 33 34 static int go7007_loader_probe(struct usb_interface *interface, 35 const struct usb_device_id *id) 36 { 37 struct usb_device *usbdev; 38 const struct firmware *fw; 39 u16 vendor, product; 40 const char *fw1, *fw2; 41 int ret; 42 int i; 43 44 usbdev = interface_to_usbdev(interface); 45 46 if (usbdev->descriptor.bNumConfigurations != 1) { 47 dev_err(&interface->dev, "can't handle multiple config\n"); 48 goto failed2; 49 } 50 51 vendor = le16_to_cpu(usbdev->descriptor.idVendor); 52 product = le16_to_cpu(usbdev->descriptor.idProduct); 53 54 for (i = 0; fw_configs[i].fw_name1; i++) 55 if (fw_configs[i].vendor == vendor && 56 fw_configs[i].product == product) 57 break; 58 59 /* Should never happen */ 60 if (fw_configs[i].fw_name1 == NULL) 61 goto failed2; 62 63 fw1 = fw_configs[i].fw_name1; 64 fw2 = fw_configs[i].fw_name2; 65 66 dev_info(&interface->dev, "loading firmware %s\n", fw1); 67 68 if (request_firmware(&fw, fw1, &usbdev->dev)) { 69 dev_err(&interface->dev, 70 "unable to load firmware from file \"%s\"\n", fw1); 71 goto failed2; 72 } 73 ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2); 74 release_firmware(fw); 75 if (0 != ret) { 76 dev_err(&interface->dev, "loader download failed\n"); 77 goto failed2; 78 } 79 80 if (fw2 == NULL) 81 return 0; 82 83 if (request_firmware(&fw, fw2, &usbdev->dev)) { 84 dev_err(&interface->dev, 85 "unable to load firmware from file \"%s\"\n", fw2); 86 goto failed2; 87 } 88 ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2); 89 release_firmware(fw); 90 if (0 != ret) { 91 dev_err(&interface->dev, "firmware download failed\n"); 92 goto failed2; 93 } 94 return 0; 95 96 failed2: 97 dev_err(&interface->dev, "probe failed\n"); 98 return -ENODEV; 99 } 100 101 static void go7007_loader_disconnect(struct usb_interface *interface) 102 { 103 dev_info(&interface->dev, "disconnect\n"); 104 usb_set_intfdata(interface, NULL); 105 } 106 107 static const struct usb_device_id go7007_loader_ids[] = { 108 { USB_DEVICE(0x1943, 0xa250) }, 109 { USB_DEVICE(0x093b, 0xa002) }, 110 { USB_DEVICE(0x093b, 0xa004) }, 111 { USB_DEVICE(0x0eb1, 0x6666) }, 112 { USB_DEVICE(0x0eb1, 0x6668) }, 113 {} /* Terminating entry */ 114 }; 115 116 MODULE_DEVICE_TABLE(usb, go7007_loader_ids); 117 118 static struct usb_driver go7007_loader_driver = { 119 .name = "go7007-loader", 120 .probe = go7007_loader_probe, 121 .disconnect = go7007_loader_disconnect, 122 .id_table = go7007_loader_ids, 123 }; 124 125 module_usb_driver(go7007_loader_driver); 126 127 MODULE_AUTHOR(""); 128 MODULE_DESCRIPTION("firmware loader for go7007-usb"); 129 MODULE_LICENSE("GPL v2"); 130