rt-thread-official/components/drivers/usb/cherryusb/class/wireless/usbh_bluetooth.c

403 lines
13 KiB
C

/*
* Copyright (c) 2024, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usbh_core.h"
#include "usbh_bluetooth.h"
#undef USB_DBG_TAG
#define USB_DBG_TAG "usbh_bluetooth"
#include "usb_log.h"
#define DEV_FORMAT "/dev/bluetooth"
static struct usbh_bluetooth g_bluetooth_class;
#ifdef CONFIG_USBHOST_BLUETOOTH_HCI_H4
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_bluetooth_tx_buf[1 + CONFIG_USBHOST_BLUETOOTH_TX_SIZE];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_bluetooth_rx_buf[1 + CONFIG_USBHOST_BLUETOOTH_RX_SIZE];
#else
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_bluetooth_cmd_buf[1 + 256];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_bluetooth_evt_buf[1 + 256];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_bluetooth_tx_buf[1 + CONFIG_USBHOST_BLUETOOTH_TX_SIZE];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_bluetooth_rx_buf[1 + CONFIG_USBHOST_BLUETOOTH_RX_SIZE];
#endif
static int usbh_bluetooth_connect(struct usbh_hubport *hport, uint8_t intf)
{
struct usb_endpoint_descriptor *ep_desc;
int ret = 0;
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
uint8_t mult;
uint16_t mps;
#endif
struct usbh_bluetooth *bluetooth_class = &g_bluetooth_class;
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
if (intf != 0) {
return 0;
}
#endif
memset(bluetooth_class, 0, sizeof(struct usbh_bluetooth));
bluetooth_class->hport = hport;
bluetooth_class->intf = intf;
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
bluetooth_class->num_of_intf_altsettings = hport->config.intf[intf + 1].altsetting_num;
#endif
hport->config.intf[intf].priv = bluetooth_class;
for (uint8_t i = 0; i < hport->config.intf[intf].altsetting[0].intf_desc.bNumEndpoints; i++) {
ep_desc = &hport->config.intf[intf].altsetting[0].ep[i].ep_desc;
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
if (USB_GET_ENDPOINT_TYPE(ep_desc->bmAttributes) == USB_ENDPOINT_TYPE_INTERRUPT) {
if (ep_desc->bEndpointAddress & 0x80) {
USBH_EP_INIT(bluetooth_class->intin, ep_desc);
} else {
return -USB_ERR_NOTSUPP;
}
} else {
#endif
if (ep_desc->bEndpointAddress & 0x80) {
USBH_EP_INIT(bluetooth_class->bulkin, ep_desc);
} else {
USBH_EP_INIT(bluetooth_class->bulkout, ep_desc);
}
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
}
#endif
}
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
USB_LOG_INFO("Num of altsettings:%u\r\n", bluetooth_class->num_of_intf_altsettings);
for (uint8_t i = 0; i < bluetooth_class->num_of_intf_altsettings; i++) {
USB_LOG_INFO("Altsetting:%u\r\n", i);
for (uint8_t j = 0; j < hport->config.intf[intf + 1].altsetting[i].intf_desc.bNumEndpoints; j++) {
ep_desc = &bluetooth_class->hport->config.intf[intf + 1].altsetting[i].ep[j].ep_desc;
mult = USB_GET_MULT(ep_desc->wMaxPacketSize);
mps = USB_GET_MAXPACKETSIZE(ep_desc->wMaxPacketSize);
USB_LOG_INFO("\tEp=%02x Attr=%02u Mps=%d Interval=%02u Mult=%02u\r\n",
ep_desc->bEndpointAddress,
ep_desc->bmAttributes,
mps,
ep_desc->bInterval,
mult);
}
}
ret = usbh_set_interface(hport, intf, 0);
if (ret < 0) {
return ret;
}
USB_LOG_INFO("Bluetooth select altsetting 0\r\n");
#endif
snprintf(hport->config.intf[intf].devname, CONFIG_USBHOST_DEV_NAMELEN, DEV_FORMAT);
USB_LOG_INFO("Register Bluetooth Class:%s\r\n", hport->config.intf[intf].devname);
usbh_bluetooth_run(bluetooth_class);
return ret;
}
static int usbh_bluetooth_disconnect(struct usbh_hubport *hport, uint8_t intf)
{
int ret = 0;
struct usbh_bluetooth *bluetooth_class = (struct usbh_bluetooth *)hport->config.intf[intf].priv;
if (hport->config.config_desc.bNumInterfaces == (intf + 1)) {
return 0;
}
if (bluetooth_class) {
if (bluetooth_class->bulkin) {
usbh_kill_urb(&bluetooth_class->bulkin_urb);
}
if (bluetooth_class->bulkout) {
usbh_kill_urb(&bluetooth_class->bulkout_urb);
}
#ifndef CONFIG_USBHOST_BLUETOOTH_HCI_H4
if (bluetooth_class->intin) {
usbh_kill_urb(&bluetooth_class->intin_urb);
}
// if (bluetooth_class->isoin) {
// usbh_kill_urb(&bluetooth_class->isoin_urb);
// }
// if (bluetooth_class->isoin) {
// usbh_kill_urb(&bluetooth_class->isoinin_urb);
// }
#endif
if (hport->config.intf[intf].devname[0] != '\0') {
USB_LOG_INFO("Unregister Bluetooth Class:%s\r\n", hport->config.intf[intf].devname);
usbh_bluetooth_stop(bluetooth_class);
}
memset(bluetooth_class, 0, sizeof(struct usbh_bluetooth));
}
return ret;
}
#ifdef CONFIG_USBHOST_BLUETOOTH_HCI_LOG
static void usbh_bluetooth_hci_dump(uint8_t *data, uint32_t len)
{
uint32_t i = 0;
for (i = 0; i < len; i++) {
if (i % 16 == 0) {
USB_LOG_RAW("\r\n");
}
USB_LOG_RAW("%02x ", data[i]);
}
USB_LOG_RAW("\r\n");
}
#else
#define usbh_bluetooth_hci_dump(data, len)
#endif
static int usbh_bluetooth_hci_bulk_out(uint8_t *buffer, uint32_t buflen)
{
struct usbh_bluetooth *bluetooth_class = &g_bluetooth_class;
struct usbh_urb *urb = &bluetooth_class->bulkout_urb;
int ret;
usbh_bulk_urb_fill(urb, bluetooth_class->hport, bluetooth_class->bulkout, buffer, buflen, USB_OSAL_WAITING_FOREVER, NULL, NULL);
ret = usbh_submit_urb(urb);
if (ret == 0) {
ret = urb->actual_length;
}
return ret;
}
#ifdef CONFIG_USBHOST_BLUETOOTH_HCI_H4
int usbh_bluetooth_hci_write(uint8_t hci_type, uint8_t *buffer, uint32_t buflen)
{
int ret;
g_bluetooth_tx_buf[0] = hci_type;
memcpy(&g_bluetooth_tx_buf[1], buffer, buflen);
usbh_bluetooth_hci_dump(g_bluetooth_tx_buf, buflen + 1);
ret = usbh_bluetooth_hci_bulk_out(g_bluetooth_tx_buf, buflen + 1);
return ret;
}
void usbh_bluetooth_hci_rx_thread(void *argument)
{
int ret;
uint32_t ep_mps;
uint8_t retry = 0;
uint16_t actual_len = 0;
ep_mps = USB_GET_MAXPACKETSIZE(g_bluetooth_class.bulkin->wMaxPacketSize);
USB_LOG_INFO("Create hc rx thread\r\n");
while (1) {
usbh_bulk_urb_fill(&g_bluetooth_class.bulkin_urb, g_bluetooth_class.hport, g_bluetooth_class.bulkin, &g_bluetooth_rx_buf[actual_len], ep_mps, USB_OSAL_WAITING_FOREVER, NULL, NULL);
ret = usbh_submit_urb(&g_bluetooth_class.bulkin_urb);
if (ret < 0) {
if (ret == -USB_ERR_SHUTDOWN) {
goto delete;
} else {
retry++;
if (retry == 3) {
retry = 0;
goto delete;
}
continue;
}
}
actual_len += g_bluetooth_class.bulkin_urb.actual_length;
if (g_bluetooth_class.bulkin_urb.actual_length != ep_mps) {
usbh_bluetooth_hci_dump(g_bluetooth_rx_buf, actual_len);
usbh_bluetooth_hci_read_callback(g_bluetooth_rx_buf, actual_len);
actual_len = 0;
} else {
/* read continue util read short packet */
}
}
// clang-format off
delete :
USB_LOG_INFO("Delete hc acl rx thread\r\n");
usb_osal_thread_delete(NULL);
// clang-format on
}
#else
static int usbh_bluetooth_hci_cmd(uint8_t *buffer, uint32_t buflen)
{
struct usbh_bluetooth *bluetooth_class = &g_bluetooth_class;
struct usb_setup_packet *setup = bluetooth_class->hport->setup;
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = 0x00;
setup->wValue = 0;
setup->wIndex = bluetooth_class->intf;
setup->wLength = buflen;
return usbh_control_transfer(bluetooth_class->hport, setup, buffer);
}
int usbh_bluetooth_hci_write(uint8_t hci_type, uint8_t *buffer, uint32_t buflen)
{
int ret;
if (hci_type == USB_BLUETOOTH_HCI_CMD) {
g_bluetooth_cmd_buf[0] = USB_BLUETOOTH_HCI_CMD;
memcpy(&g_bluetooth_cmd_buf[1], buffer, buflen);
usbh_bluetooth_hci_dump(g_bluetooth_cmd_buf, buflen + 1);
ret = usbh_bluetooth_hci_cmd(&g_bluetooth_cmd_buf[1], buflen);
} else if (hci_type == USB_BLUETOOTH_HCI_ACL) {
g_bluetooth_tx_buf[0] = USB_BLUETOOTH_HCI_ACL;
memcpy(&g_bluetooth_tx_buf[1], buffer, buflen);
usbh_bluetooth_hci_dump(g_bluetooth_tx_buf, buflen + 1);
ret = usbh_bluetooth_hci_bulk_out(&g_bluetooth_tx_buf[1], buflen);
} else {
ret = -1;
}
return ret;
}
void usbh_bluetooth_hci_evt_rx_thread(void *argument)
{
int ret;
uint32_t ep_mps;
uint32_t interval;
uint8_t retry = 0;
uint16_t actual_len = 0;
ep_mps = USB_GET_MAXPACKETSIZE(g_bluetooth_class.intin->wMaxPacketSize);
interval = g_bluetooth_class.intin->bInterval;
USB_LOG_INFO("Create hc event rx thread\r\n");
while (1) {
usbh_int_urb_fill(&g_bluetooth_class.intin_urb, g_bluetooth_class.hport, g_bluetooth_class.intin, &g_bluetooth_evt_buf[1 + actual_len], ep_mps, USB_OSAL_WAITING_FOREVER, NULL, NULL);
ret = usbh_submit_urb(&g_bluetooth_class.intin_urb);
if (ret < 0) {
if (ret == -USB_ERR_SHUTDOWN) {
goto delete;
} else if (ret == -USB_ERR_NAK) {
usb_osal_msleep(interval);
continue;
} else {
retry++;
if (retry == 3) {
retry = 0;
goto delete;
}
usb_osal_msleep(interval);
continue;
}
}
actual_len += g_bluetooth_class.intin_urb.actual_length;
if (g_bluetooth_class.intin_urb.actual_length != ep_mps) {
g_bluetooth_evt_buf[0] = USB_BLUETOOTH_HCI_EVT;
usbh_bluetooth_hci_dump(g_bluetooth_evt_buf, actual_len + 1);
usbh_bluetooth_hci_read_callback(g_bluetooth_evt_buf, actual_len + 1);
actual_len = 0;
} else {
/* read continue util read short packet */
}
usb_osal_msleep(interval);
}
// clang-format off
delete :
USB_LOG_INFO("Delete hc event rx thread\r\n");
usb_osal_thread_delete(NULL);
// clang-format on
}
void usbh_bluetooth_hci_acl_rx_thread(void *argument)
{
int ret;
uint32_t ep_mps;
uint8_t retry = 0;
uint16_t actual_len = 0;
ep_mps = USB_GET_MAXPACKETSIZE(g_bluetooth_class.bulkin->wMaxPacketSize);
USB_LOG_INFO("Create hc acl rx thread\r\n");
while (1) {
usbh_bulk_urb_fill(&g_bluetooth_class.bulkin_urb, g_bluetooth_class.hport, g_bluetooth_class.bulkin, &g_bluetooth_rx_buf[1 + actual_len], ep_mps, USB_OSAL_WAITING_FOREVER, NULL, NULL);
ret = usbh_submit_urb(&g_bluetooth_class.bulkin_urb);
if (ret < 0) {
if (ret == -USB_ERR_SHUTDOWN) {
goto delete;
} else {
retry++;
if (retry == 3) {
retry = 0;
goto delete;
}
continue;
}
}
actual_len += g_bluetooth_class.bulkin_urb.actual_length;
if (g_bluetooth_class.bulkin_urb.actual_length != ep_mps) {
g_bluetooth_rx_buf[0] = USB_BLUETOOTH_HCI_ACL;
usbh_bluetooth_hci_dump(g_bluetooth_rx_buf, actual_len + 1);
usbh_bluetooth_hci_read_callback(g_bluetooth_rx_buf, actual_len + 1);
actual_len = 0;
} else {
/* read continue util read short packet */
}
}
// clang-format off
delete :
USB_LOG_INFO("Delete hc acl rx thread\r\n");
usb_osal_thread_delete(NULL);
// clang-format on
}
#endif
__WEAK void usbh_bluetooth_hci_read_callback(uint8_t *data, uint32_t len)
{
}
__WEAK void usbh_bluetooth_run(struct usbh_bluetooth *bluetooth_class)
{
}
__WEAK void usbh_bluetooth_stop(struct usbh_bluetooth *bluetooth_class)
{
}
static const struct usbh_class_driver bluetooth_class_driver = {
.driver_name = "bluetooth",
.connect = usbh_bluetooth_connect,
.disconnect = usbh_bluetooth_disconnect
};
#ifdef CONFIG_USBHOST_BLUETOOTH_HCI_H4
static const uint16_t bluetooth_id_table[][2] = {
{ 0x2fe3, 0x000c },
{ 0, 0 },
};
CLASS_INFO_DEFINE const struct usbh_class_info bluetooth_h4_nrf_class_info = {
.match_flags = USB_CLASS_MATCH_VID_PID | USB_CLASS_MATCH_INTF_CLASS,
.class = 0xff,
.subclass = 0x00,
.protocol = 0x00,
.id_table = bluetooth_id_table,
.class_driver = &bluetooth_class_driver
};
#else
CLASS_INFO_DEFINE const struct usbh_class_info bluetooth_class_info = {
.match_flags = USB_CLASS_MATCH_INTF_CLASS | USB_CLASS_MATCH_INTF_SUBCLASS | USB_CLASS_MATCH_INTF_PROTOCOL,
.class = USB_DEVICE_CLASS_WIRELESS,
.subclass = 0x01,
.protocol = 0x01,
.id_table = NULL,
.class_driver = &bluetooth_class_driver
};
#endif