projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 01311624 JJH |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| a94a4071 | 3 | * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com |
| 01311624 JJH |
4 | * Written by Jean-Jacques Hiblot <jjhiblot@ti.com> |
| 5 | */ | |
| 6 | ||
| b953ec2b PD |
7 | #define LOG_CATEGORY UCLASS_USB_GADGET_GENERIC |
| 8 | ||
| d678a59d | 9 | #include <common.h> |
| 01311624 JJH |
10 | #include <dm.h> |
| 11 | #include <dm/device-internal.h> | |
| 1e94b46f | 12 | #include <linux/printk.h> |
| 01311624 JJH |
13 | #include <linux/usb/gadget.h> |
| 14 | ||
| b3c518a8 | 15 | #if CONFIG_IS_ENABLED(DM_USB_GADGET) |
| a1fa8bbb MV |
16 | int udc_device_get_by_index(int index, struct udevice **udev) |
| 17 | { | |
| 18 | struct udevice *dev = NULL; | |
| 19 | int ret; | |
| 20 | ||
| 21 | ret = uclass_get_device_by_seq(UCLASS_USB_GADGET_GENERIC, index, &dev); | |
| 22 | if (!ret && dev) { | |
| 23 | *udev = dev; | |
| 24 | return 0; | |
| 25 | } | |
| 26 | ||
| 27 | ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev); | |
| 28 | if (!ret && dev) { | |
| 29 | *udev = dev; | |
| 30 | return 0; | |
| 31 | } | |
| 32 | ||
| 33 | pr_err("No USB device found\n"); | |
| 34 | return -ENODEV; | |
| 35 | } | |
| 36 | ||
| 37 | int udc_device_put(struct udevice *udev) | |
| 38 | { | |
| 39 | #if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) | |
| 40 | return device_remove(udev, DM_REMOVE_NORMAL); | |
| 41 | #else | |
| 42 | return -ENOSYS; | |
| 43 | #endif | |
| 44 | } | |
| a1fa8bbb MV |
45 | #else |
| 46 | /* Backwards hardware compatibility -- switch to DM_USB_GADGET */ | |
| 47 | static int legacy_index; | |
| 48 | int udc_device_get_by_index(int index, struct udevice **udev) | |
| 49 | { | |
| 50 | legacy_index = index; | |
| 51 | return board_usb_init(index, USB_INIT_DEVICE); | |
| 52 | } | |
| 53 | ||
| 54 | int udc_device_put(struct udevice *udev) | |
| 55 | { | |
| 56 | return board_usb_cleanup(legacy_index, USB_INIT_DEVICE); | |
| 57 | } | |
| b3c518a8 | 58 | #endif |
| 01311624 | 59 | |
| a1fa8bbb | 60 | #if CONFIG_IS_ENABLED(DM) |
| 01311624 JJH |
61 | UCLASS_DRIVER(usb_gadget_generic) = { |
| 62 | .id = UCLASS_USB_GADGET_GENERIC, | |
| 801f1fa4 JJH |
63 | .name = "usb", |
| 64 | .flags = DM_UC_FLAG_SEQ_ALIAS, | |
| 01311624 | 65 | }; |
| a1fa8bbb | 66 | #endif |