/*******************************************************************************
**
** Function hw_config_start
**
** Description Kick off controller initialization process
**
** Returns None
**
*******************************************************************************/
void hw_config_start(void)
{
HC_BT_HDR *p_buf = NULL;
uint8_t *p;
ALOGI("hw_config_start");
hw_cfg_cb.state = 0;
hw_cfg_cb.fw_fd = -1;
hw_cfg_cb.f_set_baud_2 = FALSE;
strcpy(hw_cfg_cb.local_chip_name, AT_CHIP_NAME);
ALOGI("Bluetooth Firmware and smd is initialized");
ALOGI("Atmel: local bd address: %02x:%02x:%02x:%02x:%02x:%02x:",
vnd_local_bd_addr[0],vnd_local_bd_addr[1],vnd_local_bd_addr[2],
vnd_local_bd_addr[3],vnd_local_bd_addr[4],vnd_local_bd_addr[5]);
if(vnd_userial.enable_bdaddress_change != 0)
{
hw_config_set_bdaddr(vnd_userial.bd_addr);
hw_config_reset();
}
bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS);
}
/*******************************************************************************
**
** Function hw_config_cback
**
** Description Callback function for controller configuration
**
** Returns None
**
*******************************************************************************/
void hw_config_cback(void *p_mem)
{
HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem;
char *p_name, *p_tmp;
uint8_t *p, status;
uint16_t opcode;
HC_BT_HDR *p_buf=NULL;
uint8_t is_proceeding = FALSE;
int i;
#if (USE_CONTROLLER_BDADDR == TRUE)
const uint8_t null_bdaddr[BD_ADDR_LEN] = {0,0,0,0,0,0};
#endif
status = *((uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_STATUS_RET_BYTE);
p = (uint8_t *)(p_evt_buf + 1) + HCI_EVT_CMD_CMPL_OPCODE;
STREAM_TO_UINT16(opcode,p);
/* Ask a new buffer big enough to hold any HCI commands sent in here */
if ((status == 0) && bt_vendor_cbacks)
p_buf = (HC_BT_HDR *) bt_vendor_cbacks->alloc(BT_HC_HDR_SIZE + \
HCI_CMD_MAX_LEN);
if (p_buf != NULL)
{
p_buf->event = MSG_STACK_TO_HC_HCI_CMD;
p_buf->offset = 0;
p_buf->len = 0;
p_buf->layer_specific = 0;
p = (uint8_t *) (p_buf + 1);
switch (hw_cfg_cb.state)
{
case HW_CFG_SET_UART_BAUD_1:
/* update baud rate of host's UART port */
ALOGI("bt vendor lib: set UART baud %i", UART_TARGET_BAUD_RATE);
userial_vendor_set_baud( \
line_speed_to_userial_baud(UART_TARGET_BAUD_RATE) \
);
/* read local name */
UINT16_TO_STREAM(p, HCI_READ_LOCAL_NAME);
*p = 0; /* parameter length */
p_buf->len = HCI_CMD_PREAMBLE_SIZE;
hw_cfg_cb.state = HW_CFG_READ_LOCAL_NAME;
is_proceeding = bt_vendor_cbacks->xmit_cb(HCI_READ_LOCAL_NAME, \
p_buf, hw_config_cback);
break;
case HW_CFG_READ_LOCAL_NAME:
p_tmp = p_name = (char *) (p_evt_buf + 1) + \
HCI_EVT_CMD_CMPL_LOCAL_NAME_STRING;
for (i=0; (i < LOCAL_NAME_BUFFER_LEN)||(*(p_name+i) != 0); i++)
*(p_name+i) = toupper(*(p_name+i));
if ((p_name = strstr(p_name, "BCM")) != NULL)
{
strncpy(hw_cfg_cb.local_chip_name, p_name, \
LOCAL_NAME_BUFFER_LEN-1);
}
else
{
strncpy(hw_cfg_cb.local_chip_name, "UNKNOWN", \
LOCAL_NAME_BUFFER_LEN-1);
p_name = p_tmp;
}
hw_cfg_cb.local_chip_name[LOCAL_NAME_BUFFER_LEN-1] = 0;
BTHWDBG("Chipset %s", hw_cfg_cb.local_chip_name);
if ((status = hw_config_findpatch(p_name)) == TRUE)
{
if ((hw_cfg_cb.fw_fd = open(p_name, O_RDONLY)) == -1)
{
ALOGE("vendor lib preload failed to open [%s]", p_name);
}
else
{
/* vsc_download_minidriver */
UINT16_TO_STREAM(p, HCI_VSC_DOWNLOAD_MINIDRV);
*p = 0; /* parameter length */
p_buf->len = HCI_CMD_PREAMBLE_SIZE;
hw_cfg_cb.state = HW_CFG_DL_MINIDRIVER;
is_proceeding = bt_vendor_cbacks->xmit_cb( \
HCI_VSC_DOWNLOAD_MINIDRV, p_buf, \
hw_config_cback);
}
}
else
{
ALOGE( \
"vendor lib preload failed to locate firmware patch file" \
);
}
if (is_proceeding == FALSE)
{
is_proceeding = hw_config_set_bdaddr(p_buf);
}
break;
case HW_CFG_DL_MINIDRIVER:
/* give time for placing firmware in download mode */
ms_delay(50);
hw_cfg_cb.state = HW_CFG_DL_FW_PATCH;
/* fall through intentionally */
case HW_CFG_DL_FW_PATCH:
p_buf->len = read(hw_cfg_cb.fw_fd, p, HCI_CMD_PREAMBLE_SIZE);
if (p_buf->len > 0)
{
if ((p_buf->len < HCI_CMD_PREAMBLE_SIZE) || \
(opcode == HCI_VSC_LAUNCH_RAM))
{
ALOGW("firmware patch file might be altered!");
}
else
{
p_buf->len += read(hw_cfg_cb.fw_fd, \
p+HCI_CMD_PREAMBLE_SIZE,\
*(p+HCD_REC_PAYLOAD_LEN_BYTE));
STREAM_TO_UINT16(opcode,p);
is_proceeding = bt_vendor_cbacks->xmit_cb(opcode, \
p_buf, hw_config_cback);
break;
}
}
close(hw_cfg_cb.fw_fd);
hw_cfg_cb.fw_fd = -1;
/* Normally the firmware patch configuration file
* sets the new starting baud rate at 115200.
* So, we need update host's baud rate accordingly.
*/
ALOGI("bt vendor lib: set UART baud 115200");
userial_vendor_set_baud(USERIAL_BAUD_115200);
/* Next, we would like to boost baud rate up again
* to desired working speed.
*/
hw_cfg_cb.f_set_baud_2 = TRUE;
/* Check if we need to pause a few hundred milliseconds
* before sending down any HCI command.
*/
ms_delay(look_up_fw_settlement_delay());
/* fall through intentionally */
case HW_CFG_START:
if (UART_TARGET_BAUD_RATE > 3000000)
{
/* set UART clock to 48MHz */
UINT16_TO_STREAM(p, HCI_VSC_WRITE_UART_CLOCK_SETTING);
*p++ = 1; /* parameter length */
*p = 1; /* (1,"UART CLOCK 48 MHz")(2,"UART CLOCK 24 MHz") */
p_buf->len = HCI_CMD_PREAMBLE_SIZE + 1;
hw_cfg_cb.state = HW_CFG_SET_UART_CLOCK;
is_proceeding = bt_vendor_cbacks->xmit_cb( \
HCI_VSC_WRITE_UART_CLOCK_SETTING, \
p_buf, hw_config_cback);
break;
}
/* fall through intentionally */
case HW_CFG_SET_UART_CLOCK:
/* set controller's UART baud rate to 3M */
UINT16_TO_STREAM(p, HCI_VSC_UPDATE_BAUDRATE);
*p++ = UPDATE_BAUDRATE_CMD_PARAM_SIZE; /* parameter length */
*p++ = 0; /* encoded baud rate */
*p++ = 0; /* use encoded form */
UINT32_TO_STREAM(p, UART_TARGET_BAUD_RATE);
p_buf->len = HCI_CMD_PREAMBLE_SIZE + \
UPDATE_BAUDRATE_CMD_PARAM_SIZE;
hw_cfg_cb.state = (hw_cfg_cb.f_set_baud_2) ? \
HW_CFG_SET_UART_BAUD_2 : HW_CFG_SET_UART_BAUD_1;
is_proceeding = bt_vendor_cbacks->xmit_cb(HCI_VSC_UPDATE_BAUDRATE, \
p_buf, hw_config_cback);
break;
case HW_CFG_SET_UART_BAUD_2:
/* update baud rate of host's UART port */
ALOGI("bt vendor lib: set UART baud %i", UART_TARGET_BAUD_RATE);
userial_vendor_set_baud( \
line_speed_to_userial_baud(UART_TARGET_BAUD_RATE) \
);
#if (USE_CONTROLLER_BDADDR == TRUE)
if ((is_proceeding = hw_config_read_bdaddr(p_buf)) == TRUE)
break;
#else
if ((is_proceeding = hw_config_set_bdaddr(p_buf)) == TRUE)
break;
#endif
/* fall through intentionally */
case HW_CFG_SET_BD_ADDR:
ALOGI("vendor lib fwcfg completed");
bt_vendor_cbacks->dealloc(p_buf);
bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS);
hw_cfg_cb.state = 0;
if (hw_cfg_cb.fw_fd != -1)
{
close(hw_cfg_cb.fw_fd);
hw_cfg_cb.fw_fd = -1;
}
is_proceeding = TRUE;
break;
#if (USE_CONTROLLER_BDADDR == TRUE)
case HW_CFG_READ_BD_ADDR:
p_tmp = (char *) (p_evt_buf + 1) + \
HCI_EVT_CMD_CMPL_LOCAL_BDADDR_ARRAY;
if (memcmp(p_tmp, null_bdaddr, BD_ADDR_LEN) == 0)
{
// Controller does not have a valid OTP BDADDR!
// Set the BTIF initial BDADDR instead.
if ((is_proceeding = hw_config_set_bdaddr(p_buf)) == TRUE)
break;
}
else
{
ALOGI("Controller OTP bdaddr %02X:%02X:%02X:%02X:%02X:%02X",
*(p_tmp+5), *(p_tmp+4), *(p_tmp+3),
*(p_tmp+2), *(p_tmp+1), *p_tmp);
}
ALOGI("vendor lib fwcfg completed");
bt_vendor_cbacks->dealloc(p_buf);
bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS);
hw_cfg_cb.state = 0;
if (hw_cfg_cb.fw_fd != -1)
{
close(hw_cfg_cb.fw_fd);
hw_cfg_cb.fw_fd = -1;
}
is_proceeding = TRUE;
break;
#endif // (USE_CONTROLLER_BDADDR == TRUE)
} // switch(hw_cfg_cb.state)
} // if (p_buf != NULL)
/* Free the RX event buffer */
if (bt_vendor_cbacks)
bt_vendor_cbacks->dealloc(p_evt_buf);
if (is_proceeding == FALSE)
{
ALOGE("vendor lib fwcfg aborted!!!");
if (bt_vendor_cbacks)
{
if (p_buf != NULL)
bt_vendor_cbacks->dealloc(p_buf);
bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_FAIL);
}
if (hw_cfg_cb.fw_fd != -1)
{
close(hw_cfg_cb.fw_fd);
hw_cfg_cb.fw_fd = -1;
}
hw_cfg_cb.state = 0;
}
}