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 = usb_get_dev(interface_to_usbdev(interface)); |
45 | if (!usbdev) |
46 | goto failed2; |
47 | |
48 | if (usbdev->descriptor.bNumConfigurations != 1) { |
49 | dev_err(&interface->dev, "can't handle multiple config\n" ); |
50 | goto failed2; |
51 | } |
52 | |
53 | vendor = le16_to_cpu(usbdev->descriptor.idVendor); |
54 | product = le16_to_cpu(usbdev->descriptor.idProduct); |
55 | |
56 | for (i = 0; fw_configs[i].fw_name1; i++) |
57 | if (fw_configs[i].vendor == vendor && |
58 | fw_configs[i].product == product) |
59 | break; |
60 | |
61 | /* Should never happen */ |
62 | if (fw_configs[i].fw_name1 == NULL) |
63 | goto failed2; |
64 | |
65 | fw1 = fw_configs[i].fw_name1; |
66 | fw2 = fw_configs[i].fw_name2; |
67 | |
68 | dev_info(&interface->dev, "loading firmware %s\n" , fw1); |
69 | |
70 | if (request_firmware(fw: &fw, name: fw1, device: &usbdev->dev)) { |
71 | dev_err(&interface->dev, |
72 | "unable to load firmware from file \"%s\"\n" , fw1); |
73 | goto failed2; |
74 | } |
75 | ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2); |
76 | release_firmware(fw); |
77 | if (0 != ret) { |
78 | dev_err(&interface->dev, "loader download failed\n" ); |
79 | goto failed2; |
80 | } |
81 | |
82 | if (fw2 == NULL) |
83 | return 0; |
84 | |
85 | if (request_firmware(fw: &fw, name: fw2, device: &usbdev->dev)) { |
86 | dev_err(&interface->dev, |
87 | "unable to load firmware from file \"%s\"\n" , fw2); |
88 | goto failed2; |
89 | } |
90 | ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2); |
91 | release_firmware(fw); |
92 | if (0 != ret) { |
93 | dev_err(&interface->dev, "firmware download failed\n" ); |
94 | goto failed2; |
95 | } |
96 | return 0; |
97 | |
98 | failed2: |
99 | usb_put_dev(dev: usbdev); |
100 | dev_err(&interface->dev, "probe failed\n" ); |
101 | return -ENODEV; |
102 | } |
103 | |
104 | static void go7007_loader_disconnect(struct usb_interface *interface) |
105 | { |
106 | dev_info(&interface->dev, "disconnect\n" ); |
107 | usb_put_dev(interface_to_usbdev(interface)); |
108 | usb_set_intfdata(intf: interface, NULL); |
109 | } |
110 | |
111 | static const struct usb_device_id go7007_loader_ids[] = { |
112 | { USB_DEVICE(0x1943, 0xa250) }, |
113 | { USB_DEVICE(0x093b, 0xa002) }, |
114 | { USB_DEVICE(0x093b, 0xa004) }, |
115 | { USB_DEVICE(0x0eb1, 0x6666) }, |
116 | { USB_DEVICE(0x0eb1, 0x6668) }, |
117 | {} /* Terminating entry */ |
118 | }; |
119 | |
120 | MODULE_DEVICE_TABLE(usb, go7007_loader_ids); |
121 | |
122 | static struct usb_driver go7007_loader_driver = { |
123 | .name = "go7007-loader" , |
124 | .probe = go7007_loader_probe, |
125 | .disconnect = go7007_loader_disconnect, |
126 | .id_table = go7007_loader_ids, |
127 | }; |
128 | |
129 | module_usb_driver(go7007_loader_driver); |
130 | |
131 | MODULE_AUTHOR("" ); |
132 | MODULE_DESCRIPTION("firmware loader for go7007-usb" ); |
133 | MODULE_LICENSE("GPL v2" ); |
134 | |