^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Broadcom Blutonium firmware driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2003 Maxim Krasnyansky <maxk@qualcomm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2003 Marcel Holtmann <marcel@holtmann.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^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 <linux/atomic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <net/bluetooth/bluetooth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define VERSION "1.2"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static const struct usb_device_id bcm203x_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* Broadcom Blutonium (BCM2033) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) { USB_DEVICE(0x0a5c, 0x2033) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) { } /* Terminating entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) MODULE_DEVICE_TABLE(usb, bcm203x_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define BCM203X_ERROR 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define BCM203X_RESET 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define BCM203X_LOAD_MINIDRV 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define BCM203X_SELECT_MEMORY 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define BCM203X_CHECK_MEMORY 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define BCM203X_LOAD_FIRMWARE 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define BCM203X_CHECK_FIRMWARE 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define BCM203X_IN_EP 0x81
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define BCM203X_OUT_EP 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct bcm203x_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct usb_device *udev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) unsigned long state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) atomic_t shutdown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) unsigned char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) unsigned char *fw_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) unsigned int fw_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) unsigned int fw_sent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static void bcm203x_complete(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct bcm203x_data *data = urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct usb_device *udev = urb->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) BT_DBG("udev %p urb %p", udev, urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (urb->status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) BT_ERR("URB failed with status %d", urb->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) data->state = BCM203X_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) switch (data->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case BCM203X_LOAD_MINIDRV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) memcpy(data->buffer, "#", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) usb_fill_bulk_urb(urb, udev, usb_sndbulkpipe(udev, BCM203X_OUT_EP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) data->buffer, 1, bcm203x_complete, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) data->state = BCM203X_SELECT_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* use workqueue to have a small delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) schedule_work(&data->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) case BCM203X_SELECT_MEMORY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) usb_fill_int_urb(urb, udev, usb_rcvintpipe(udev, BCM203X_IN_EP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) data->buffer, 32, bcm203x_complete, data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) data->state = BCM203X_CHECK_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) BT_ERR("Can't submit URB");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) case BCM203X_CHECK_MEMORY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (data->buffer[0] != '#') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) BT_ERR("Memory select failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) data->state = BCM203X_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) data->state = BCM203X_LOAD_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) case BCM203X_LOAD_FIRMWARE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (data->fw_sent == data->fw_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) usb_fill_int_urb(urb, udev, usb_rcvintpipe(udev, BCM203X_IN_EP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) data->buffer, 32, bcm203x_complete, data, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) data->state = BCM203X_CHECK_FIRMWARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) len = min_t(uint, data->fw_size - data->fw_sent, 4096);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) usb_fill_bulk_urb(urb, udev, usb_sndbulkpipe(udev, BCM203X_OUT_EP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) data->fw_data + data->fw_sent, len, bcm203x_complete, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) data->fw_sent += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) BT_ERR("Can't submit URB");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) case BCM203X_CHECK_FIRMWARE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (data->buffer[0] != '.') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) BT_ERR("Firmware loading failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) data->state = BCM203X_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) break;
^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) data->state = BCM203X_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static void bcm203x_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct bcm203x_data *data =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) container_of(work, struct bcm203x_data, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (atomic_read(&data->shutdown))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (usb_submit_urb(data->urb, GFP_KERNEL) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) BT_ERR("Can't submit URB");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) const struct firmware *firmware;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct usb_device *udev = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct bcm203x_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) BT_DBG("intf %p id %p", intf, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) data->udev = udev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) data->state = BCM203X_LOAD_MINIDRV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) data->urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (!data->urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (request_firmware(&firmware, "BCM2033-MD.hex", &udev->dev) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) BT_ERR("Mini driver request failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) usb_free_urb(data->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) BT_DBG("minidrv data %p size %zu", firmware->data, firmware->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) size = max_t(uint, firmware->size, 4096);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) data->buffer = kmalloc(size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (!data->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) BT_ERR("Can't allocate memory for mini driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) release_firmware(firmware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) usb_free_urb(data->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) memcpy(data->buffer, firmware->data, firmware->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) usb_fill_bulk_urb(data->urb, udev, usb_sndbulkpipe(udev, BCM203X_OUT_EP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) data->buffer, firmware->size, bcm203x_complete, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) release_firmware(firmware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (request_firmware(&firmware, "BCM2033-FW.bin", &udev->dev) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) BT_ERR("Firmware request failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) usb_free_urb(data->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) kfree(data->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) BT_DBG("firmware data %p size %zu", firmware->data, firmware->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) data->fw_data = kmemdup(firmware->data, firmware->size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (!data->fw_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) BT_ERR("Can't allocate memory for firmware image");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) release_firmware(firmware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) usb_free_urb(data->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) kfree(data->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) data->fw_size = firmware->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) data->fw_sent = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) release_firmware(firmware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) INIT_WORK(&data->work, bcm203x_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) usb_set_intfdata(intf, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) /* use workqueue to have a small delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) schedule_work(&data->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static void bcm203x_disconnect(struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct bcm203x_data *data = usb_get_intfdata(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) BT_DBG("intf %p", intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) atomic_inc(&data->shutdown);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) cancel_work_sync(&data->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) usb_kill_urb(data->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) usb_set_intfdata(intf, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) usb_free_urb(data->urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) kfree(data->fw_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) kfree(data->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static struct usb_driver bcm203x_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) .name = "bcm203x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .probe = bcm203x_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .disconnect = bcm203x_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .id_table = bcm203x_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .disable_hub_initiated_lpm = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) module_usb_driver(bcm203x_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) MODULE_DESCRIPTION("Broadcom Blutonium firmware driver ver " VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) MODULE_VERSION(VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) MODULE_FIRMWARE("BCM2033-MD.hex");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) MODULE_FIRMWARE("BCM2033-FW.bin");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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