bluetooth/bt-hci-broadcom/bt-hci-broadcom.c

10 #include <ddk/protocol/bt-hci.h>
17 #include <zircon/device/bt-hci.h>
74     bt_hci_protocol_t hci;
85     bcm_hci_t* hci = ctx;
89     hci_proto->ops = hci->hci.ops;
90     hci_proto->ctx = hci->hci.ctx;
97     bcm_hci_t* hci = ctx;
106         status = bt_hci_open_command_channel(&hci->hci, reply);
108         status = bt_hci_open_acl_data_channel(&hci->hci, reply);
110         status = bt_hci_open_snoop_channel(&hci->hci, reply);
122     bcm_hci_t* hci = ctx;
124     device_remove(hci->zxdev);
128     bcm_hci_t* hci = ctx;
130     if (hci->command_channel != ZX_HANDLE_INVALID) {
131         zx_handle_close(hci->command_channel);
134     free(hci);
146 static zx_status_t bcm_hci_send_command(bcm_hci_t* hci, const hci_command_header_t* command,
149     zx_status_t status = zx_channel_write(hci->command_channel, 0, command, length, NULL, 0);
161         status = zx_channel_read(hci->command_channel, 0, event_buf, NULL, sizeof(event_buf), 0,
164             zx_object_wait_one(hci->command_channel, ZX_CHANNEL_READABLE | ZX_CHANNEL_PEER_CLOSED,
190 static zx_status_t bcm_hci_set_baud_rate(bcm_hci_t* hci, uint32_t baud_rate) {
200     zx_status_t status = bcm_hci_send_command(hci, &command.header, sizeof(command));
205     return serial_config(&hci->serial, TARGET_BAUD_RATE, SERIAL_SET_BAUD_RATE_ONLY);
210     bcm_hci_t* hci = arg;
213     zx_status_t status = bt_hci_open_command_channel(&hci->hci, &hci->command_channel);
219     status = bcm_hci_send_command(hci, &RESET_CMD, sizeof(RESET_CMD));
224     if (hci->is_uart) {
226         status = bcm_hci_set_baud_rate(hci, TARGET_BAUD_RATE);
233     status = load_firmware(hci->zxdev, FIRMWARE_PATH, &fw_vmo, &fw_size);
235         status = bcm_hci_send_command(hci, &START_FIRMWARE_DOWNLOAD_CMD,
269             status = bcm_hci_send_command(hci, header, length);
280         if (hci->is_uart) {
282             status = serial_config(&hci->serial, 115200, SERIAL_SET_BAUD_RATE_ONLY);
289             status = bcm_hci_set_baud_rate(hci, TARGET_BAUD_RATE);
295         zxlogf(INFO, "bcm-hci: no firmware file found\n");
300     zx_handle_close(hci->command_channel);
301     hci->command_channel = ZX_HANDLE_INVALID;
303     device_make_visible(hci->zxdev);
312     device_remove(hci->zxdev);
317     bcm_hci_t* hci = calloc(1, sizeof(bcm_hci_t));
318     if (!hci) {
322     zx_status_t status = device_get_protocol(device, ZX_PROTOCOL_BT_HCI, &hci->hci);
327     status = device_get_protocol(device, ZX_PROTOCOL_SERIAL, &hci->serial);
329         hci->is_uart = true;
334         .name = "bcm-hci",
335         .ctx = hci,
341     hci->transport_dev = device;
343     status = device_add(device, &args, &hci->zxdev);
345         bcm_hci_release(hci);
351     int thrd_rc = thrd_create_with_name(&t, bcm_hci_start_thread, hci, "bcm_hci_start_thread");
353         device_remove(hci->zxdev);
354         bcm_hci_release(hci);