^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * cdc2.c -- CDC Composite driver, with ECM and ACM support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 David Brownell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2008 Nokia Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "u_ether.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "u_serial.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "u_ecm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define DRIVER_DESC "CDC Composite Gadget"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define DRIVER_VERSION "King Kamehameha Day 2008"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * Instead: allocate your own, using normal USB-IF procedures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* Thanks to NetChip Technologies for donating this product ID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * It's for devices with only this composite CDC configuration.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define CDC_VENDOR_NUM 0x0525 /* NetChip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define CDC_PRODUCT_NUM 0xa4aa /* CDC Composite: ECM + ACM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) USB_GADGET_COMPOSITE_OPTIONS();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) USB_ETHERNET_MODULE_PARAMETERS();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static struct usb_device_descriptor device_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .bLength = sizeof device_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .bDescriptorType = USB_DT_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* .bcdUSB = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .bDeviceClass = USB_CLASS_COMM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .bDeviceSubClass = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .bDeviceProtocol = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* .bMaxPacketSize0 = f(hardware) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* Vendor and product id can be overridden by module parameters. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .idVendor = cpu_to_le16(CDC_VENDOR_NUM),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .idProduct = cpu_to_le16(CDC_PRODUCT_NUM),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* .bcdDevice = f(hardware) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /* .iManufacturer = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* .iProduct = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* NO SERIAL NUMBER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .bNumConfigurations = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static const struct usb_descriptor_header *otg_desc[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* string IDs are assigned dynamically */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct usb_string strings_dev[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) [USB_GADGET_MANUFACTURER_IDX].s = "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) [USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) [USB_GADGET_SERIAL_IDX].s = "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) { } /* end of list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static struct usb_gadget_strings stringtab_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .language = 0x0409, /* en-us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .strings = strings_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static struct usb_gadget_strings *dev_strings[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) &stringtab_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static struct usb_function *f_acm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static struct usb_function_instance *fi_serial;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static struct usb_function *f_ecm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static struct usb_function_instance *fi_ecm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * We _always_ have both CDC ECM and CDC ACM functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static int cdc_do_config(struct usb_configuration *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (gadget_is_otg(c->cdev->gadget)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) c->descriptors = otg_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) f_ecm = usb_get_function(fi_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (IS_ERR(f_ecm)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) status = PTR_ERR(f_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) goto err_get_ecm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) status = usb_add_function(c, f_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) goto err_add_ecm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) f_acm = usb_get_function(fi_serial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (IS_ERR(f_acm)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) status = PTR_ERR(f_acm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) goto err_get_acm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) status = usb_add_function(c, f_acm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) goto err_add_acm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) err_add_acm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) usb_put_function(f_acm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) err_get_acm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) usb_remove_function(c, f_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) err_add_ecm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) usb_put_function(f_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) err_get_ecm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static struct usb_configuration cdc_config_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .label = "CDC Composite (ECM + ACM)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .bConfigurationValue = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /* .iConfiguration = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static int cdc_bind(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct usb_gadget *gadget = cdev->gadget;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct f_ecm_opts *ecm_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (!can_support_ecm(cdev->gadget)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) dev_err(&gadget->dev, "controller '%s' not usable\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) gadget->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) fi_ecm = usb_get_function_instance("ecm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (IS_ERR(fi_ecm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return PTR_ERR(fi_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) gether_set_qmult(ecm_opts->net, qmult);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) if (!gether_set_host_addr(ecm_opts->net, host_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) pr_info("using host ethernet address: %s", host_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (!gether_set_dev_addr(ecm_opts->net, dev_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) pr_info("using self ethernet address: %s", dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) fi_serial = usb_get_function_instance("acm");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (IS_ERR(fi_serial)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) status = PTR_ERR(fi_serial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /* Allocate string descriptor numbers ... note that string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * contents can be overridden by the composite_dev glue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) status = usb_string_ids_tab(cdev, strings_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) goto fail1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (gadget_is_otg(gadget) && !otg_desc[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct usb_descriptor_header *usb_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) usb_desc = usb_otg_descriptor_alloc(gadget);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (!usb_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) status = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) goto fail1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) usb_otg_descriptor_init(gadget, usb_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) otg_desc[0] = usb_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) otg_desc[1] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* register our configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) status = usb_add_config(cdev, &cdc_config_driver, cdc_do_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) goto fail2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) usb_composite_overwrite_options(cdev, &coverwrite);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) DRIVER_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) fail2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) kfree(otg_desc[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) otg_desc[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) fail1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) usb_put_function_instance(fi_serial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) usb_put_function_instance(fi_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static int cdc_unbind(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) usb_put_function(f_acm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) usb_put_function_instance(fi_serial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (!IS_ERR_OR_NULL(f_ecm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) usb_put_function(f_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (!IS_ERR_OR_NULL(fi_ecm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) usb_put_function_instance(fi_ecm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) kfree(otg_desc[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) otg_desc[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) static struct usb_composite_driver cdc_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .name = "g_cdc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .dev = &device_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .strings = dev_strings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .max_speed = USB_SPEED_SUPER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .bind = cdc_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .unbind = cdc_unbind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) module_usb_composite_driver(cdc_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) MODULE_DESCRIPTION(DRIVER_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) MODULE_AUTHOR("David Brownell");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags