/**
* @fn NMI_API sint8 hif_deinit(void * arg);
* @brief To Deinitialize HIF layer.
* @param [in] arg
* Pointer to the arguments.
* @return The function shall return ZERO for successful operation and a negative value otherwise.
*/
sint8 hif_deinit(void * arg)
{
sint8 ret = M2M_SUCCESS;
#if 0
uint32 reg = 0, cnt=0;
while (reg != M2M_DISABLE_PS)
{
nm_bsp_sleep(1);
reg = nm_read_reg(STATE_REG);
if(++cnt > 1000)
{
M2M_DBG("failed to stop power save\n");
break;
}
}
#endif
ret = hif_chip_wake();
gu8ChipMode = 0;
gu8ChipSleep = 0;
gu8HifSizeDone = 0;
gu8Interrupt = 0;
pfWifiCb = NULL;
pfIpCb = NULL;
pfOtaCb = NULL;
pfHifCb = NULL;
return ret;
}
/**
* @fn NMI_API sint8 hif_deinit(void * arg);
* @brief To De-initialize HIF layer.
* @param [in] arg
* Pointer to the arguments.
* @return The function shall return ZERO for successful operation and a negative value otherwise.
*/
sint8 hif_deinit(void * arg)
{
sint8 ret = M2M_SUCCESS;
ret = hif_chip_wake();
m2m_memset((uint8*)&gstrHifCxt,0,sizeof(tstrHifContext));
return ret;
}
/*!
@fn \
NMI_API sint8 m2m_ota_get_firmware_version(tstrM2mRev * pstrRev);
@brief
Get the OTA Firmware version.
@return
The function SHALL return 0 for success and a negative value otherwise.
*/
NMI_API sint8 m2m_ota_get_firmware_version(tstrM2mRev * pstrRev)
{
sint8 ret = M2M_SUCCESS;
ret = hif_chip_wake();
if(ret == M2M_SUCCESS)
{
ret = nm_get_ota_firmware_info(pstrRev);
hif_chip_sleep();
}
return ret;
}
sint8 m2m_wifi_get_otp_mac_address(uint8 *pu8MacAddr, uint8* pu8IsValid)
{
sint8 ret = M2M_SUCCESS;
ret = hif_chip_wake();
if(ret == M2M_SUCCESS)
{
ret = nmi_get_otp_mac_address(pu8MacAddr, pu8IsValid);
if(ret == M2M_SUCCESS)
{
ret = hif_chip_sleep();
}
}
return ret;
}
/**
* \brief GPIO read/write skeleton with wakeup/sleep capability.
*/
static sint8 gpio_ioctl(uint8 op, uint8 u8GpioNum, uint8 u8InVal, uint8 * pu8OutVal)
{
sint8 ret, gpio;
ret = hif_chip_wake();
if(ret != M2M_SUCCESS) goto _EXIT;
gpio = get_gpio_idx(u8GpioNum);
if(gpio < 0) goto _EXIT1;
if(op == GPIO_OP_DIR) {
ret = set_gpio_dir((uint8)gpio, u8InVal);
} else if(op == GPIO_OP_SET) {
ret = set_gpio_val((uint8)gpio, u8InVal);
} else if(op == GPIO_OP_GET) {
ret = get_gpio_val((uint8)gpio, pu8OutVal);
}
if(ret != M2M_SUCCESS) goto _EXIT1;
_EXIT1:
ret = hif_chip_sleep();
_EXIT:
return ret;
}
sint8 hif_send(uint8 u8Gid,uint8 u8Opcode,uint8 *pu8CtrlBuf,uint16 u16CtrlBufSize,
uint8 *pu8DataBuf,uint16 u16DataSize, uint16 u16DataOffset)
{
sint8 ret = M2M_ERR_SEND;
volatile tstrHifHdr strHif;
strHif.u8Opcode = u8Opcode&(~NBIT7);
strHif.u8Gid = u8Gid;
strHif.u16Length = M2M_HIF_HDR_OFFSET;
if(pu8DataBuf != NULL)
{
strHif.u16Length += u16DataOffset + u16DataSize;
}
else
{
strHif.u16Length += u16CtrlBufSize;
}
ret = hif_chip_wake();
if(ret == M2M_SUCCESS)
{
volatile uint32 reg, dma_addr = 0;
volatile uint16 cnt = 0;
//#define OPTIMIZE_BUS
/*please define in firmware also*/
#ifndef OPTIMIZE_BUS
reg = 0UL;
reg |= (uint32)u8Gid;
reg |= ((uint32)u8Opcode<<8);
reg |= ((uint32)strHif.u16Length<<16);
ret = nm_write_reg(NMI_STATE_REG,reg);
if(M2M_SUCCESS != ret) goto ERR1;
reg = 0UL;
reg |= NBIT1;
ret = nm_write_reg(WIFI_HOST_RCV_CTRL_2, reg);
if(M2M_SUCCESS != ret) goto ERR1;
#else
reg = 0UL;
reg |= NBIT1;
reg |= ((u8Opcode & NBIT7) ? (NBIT2):(0)); /*Data = 1 or config*/
reg |= (u8Gid == M2M_REQ_GROUP_IP) ? (NBIT3):(0); /*IP = 1 or non IP*/
reg |= ((uint32)strHif.u16Length << 4); /*length of pkt max = 4096*/
ret = nm_write_reg(WIFI_HOST_RCV_CTRL_2, reg);
if(M2M_SUCCESS != ret) goto ERR1;
#endif
dma_addr = 0;
for(cnt = 0; cnt < 1000; cnt ++)
{
ret = nm_read_reg_with_ret(WIFI_HOST_RCV_CTRL_2,(uint32 *)®);
if(ret != M2M_SUCCESS) break;
/*
* If it takes too long to get a response, the slow down to
* avoid back-to-back register read operations.
*/
if(cnt >= 500) {
if(cnt < 501) {
M2M_INFO("Slowing down...\n");
}
nm_bsp_sleep(1);
}
if (!(reg & NBIT1))
{
ret = nm_read_reg_with_ret(WIFI_HOST_RCV_CTRL_4,(uint32 *)&dma_addr);
if(ret != M2M_SUCCESS) {
/*in case of read error clear the DMA address and return error*/
dma_addr = 0;
goto ERR1;
}
/*in case of success break */
break;
}
}
if (dma_addr != 0)
{
volatile uint32 u32CurrAddr;
u32CurrAddr = dma_addr;
strHif.u16Length=NM_BSP_B_L_16(strHif.u16Length);
ret = nm_write_block(u32CurrAddr, (uint8*)&strHif, M2M_HIF_HDR_OFFSET);
if(M2M_SUCCESS != ret) goto ERR1;
u32CurrAddr += M2M_HIF_HDR_OFFSET;
if(pu8CtrlBuf != NULL)
{
ret = nm_write_block(u32CurrAddr, pu8CtrlBuf, u16CtrlBufSize);
if(M2M_SUCCESS != ret) goto ERR1;
u32CurrAddr += u16CtrlBufSize;
}
if(pu8DataBuf != NULL)
{
u32CurrAddr += (u16DataOffset - u16CtrlBufSize);
ret = nm_write_block(u32CurrAddr, pu8DataBuf, u16DataSize);
if(M2M_SUCCESS != ret) goto ERR1;
u32CurrAddr += u16DataSize;
}
reg = dma_addr << 2;
reg |= NBIT1;
ret = nm_write_reg(WIFI_HOST_RCV_CTRL_3, reg);
if(M2M_SUCCESS != ret) goto ERR1;
}
else
{
ret = hif_chip_sleep();
M2M_DBG("Failed to alloc rx size %d\r",ret);
ret = M2M_ERR_MEM_ALLOC;
goto ERR2;
}
}
else
{
M2M_ERR("(HIF)Fail to wakup the chip\n");
goto ERR2;
}
/*actual sleep ret = M2M_SUCCESS*/
ret = hif_chip_sleep();
return ret;
ERR1:
/*reset the count but no actual sleep as it already bus error*/
hif_chip_sleep_sc();
ERR2:
/*logical error*/
return ret;
}
/**
* @fn hif_isr
* @brief Host interface interrupt service routine
* @author M. Abdelmawla
* @date 15 July 2012
* @return 1 in case of interrupt received else 0 will be returned
* @version 1.0
*/
static sint8 hif_isr(void)
{
sint8 ret = M2M_ERR_BUS_FAIL;
uint32 reg;
volatile tstrHifHdr strHif;
ret = hif_chip_wake();
if(ret == M2M_SUCCESS)
{
ret = nm_read_reg_with_ret(WIFI_HOST_RCV_CTRL_0, ®);
if(M2M_SUCCESS == ret)
{
if(reg & 0x1) /* New interrupt has been received */
{
uint16 size;
nm_bsp_interrupt_ctrl(0);
/*Clearing RX interrupt*/
reg &= ~(1<<0);
ret = nm_write_reg(WIFI_HOST_RCV_CTRL_0,reg);
if(ret != M2M_SUCCESS)goto ERR1;
gu8HifSizeDone = 0;
size = (uint16)((reg >> 2) & 0xfff);
if (size > 0) {
uint32 address = 0;
/**
start bus transfer
**/
ret = nm_read_reg_with_ret(WIFI_HOST_RCV_CTRL_1, &address);
if(M2M_SUCCESS != ret)
{
M2M_ERR("(hif) WIFI_HOST_RCV_CTRL_1 bus fail\n");
nm_bsp_interrupt_ctrl(1);
goto ERR1;
}
ret = nm_read_block(address, (uint8*)&strHif, sizeof(tstrHifHdr));
strHif.u16Length = NM_BSP_B_L_16(strHif.u16Length);
if(M2M_SUCCESS != ret)
{
M2M_ERR("(hif) address bus fail\n");
nm_bsp_interrupt_ctrl(1);
goto ERR1;
}
if(strHif.u16Length != size)
{
if((size - strHif.u16Length) > 4)
{
M2M_ERR("(hif) Corrupted packet Size = %u <L = %u, G = %u, OP = %02X>\n",
size, strHif.u16Length, strHif.u8Gid, strHif.u8Opcode);
nm_bsp_interrupt_ctrl(1);
ret = M2M_ERR_BUS_FAIL;
goto ERR1;
}
}
if(M2M_REQ_GROUP_WIFI == strHif.u8Gid)
{
if(pfWifiCb)
pfWifiCb(strHif.u8Opcode,strHif.u16Length - M2M_HIF_HDR_OFFSET, address + M2M_HIF_HDR_OFFSET);
}
else if(M2M_REQ_GROUP_IP == strHif.u8Gid)
{
if(pfIpCb)
pfIpCb(strHif.u8Opcode,strHif.u16Length - M2M_HIF_HDR_OFFSET, address + M2M_HIF_HDR_OFFSET);
}
else if(M2M_REQ_GROUP_OTA == strHif.u8Gid)
{
if(pfOtaCb)
pfOtaCb(strHif.u8Opcode,strHif.u16Length - M2M_HIF_HDR_OFFSET, address + M2M_HIF_HDR_OFFSET);
}
else if(M2M_REQ_GROUP_CRYPTO == strHif.u8Gid)
{
if(pfCryptoCb)
pfCryptoCb(strHif.u8Opcode,strHif.u16Length - M2M_HIF_HDR_OFFSET, address + M2M_HIF_HDR_OFFSET);
}
else if(M2M_REQ_GROUP_SIGMA == strHif.u8Gid)
{
if(pfSigmaCb)
pfSigmaCb(strHif.u8Opcode,strHif.u16Length - M2M_HIF_HDR_OFFSET, address + M2M_HIF_HDR_OFFSET);
}
else
{
M2M_ERR("(hif) invalid group ID\n");
ret = M2M_ERR_BUS_FAIL;
goto ERR1;
}
#ifndef ENABLE_UNO_BOARD
if(!gu8HifSizeDone)
{
M2M_ERR("(hif) host app didn't set RX Done\n");
ret = hif_set_rx_done();
}
#endif
}
else
{
ret = M2M_ERR_RCV;
M2M_ERR("(hif) Wrong Size\n");
goto ERR1;
}
}
else
{
sint8 hif_send(uint8 u8Gid,uint8 u8Opcode,uint8 *pu8CtrlBuf,uint16 u16CtrlBufSize,
uint8 *pu8DataBuf,uint16 u16DataSize, uint16 u16DataOffset)
{
sint8 ret = M2M_ERR_SEND;
volatile tstrHifHdr strHif;
strHif.u8Opcode = u8Opcode&(~NBIT7);
strHif.u8Gid = u8Gid;
strHif.u16Length = M2M_HIF_HDR_OFFSET;
if(pu8DataBuf != NULL)
{
strHif.u16Length += u16DataOffset + u16DataSize;
}
else
{
strHif.u16Length += u16CtrlBufSize;
}
ret = hif_chip_wake();
if(ret == M2M_SUCCESS)
{
volatile uint32 reg, dma_addr = 0;
volatile uint16 cnt = 0;
reg = 0UL;
reg |= (uint32)u8Gid;
reg |= ((uint32)u8Opcode<<8);
reg |= ((uint32)strHif.u16Length<<16);
ret = nm_write_reg(NMI_STATE_REG,reg);
if(M2M_SUCCESS != ret) goto ERR1;
reg = 0;
reg |= (1<<1);
ret = nm_write_reg(WIFI_HOST_RCV_CTRL_2, reg);
if(M2M_SUCCESS != ret) goto ERR1;
dma_addr = 0;
//nm_bsp_interrupt_ctrl(0);
for(cnt = 0; cnt < 1000; cnt ++)
{
ret = nm_read_reg_with_ret(WIFI_HOST_RCV_CTRL_2,(uint32 *)®);
if(ret != M2M_SUCCESS) break;
if (!(reg & 0x2))
{
ret = nm_read_reg_with_ret(0x150400,(uint32 *)&dma_addr);
if(ret != M2M_SUCCESS) {
/*in case of read error clear the dma address and return error*/
dma_addr = 0;
}
/*in case of success break */
break;
}
}
//nm_bsp_interrupt_ctrl(1);
if (dma_addr != 0)
{
volatile uint32 u32CurrAddr;
u32CurrAddr = dma_addr;
strHif.u16Length=NM_BSP_B_L_16(strHif.u16Length);
ret = nm_write_block(u32CurrAddr, (uint8*)&strHif, M2M_HIF_HDR_OFFSET);
#ifdef CONF_WINC_USE_I2C
nm_bsp_sleep(1);
#endif
if(M2M_SUCCESS != ret) goto ERR1;
u32CurrAddr += M2M_HIF_HDR_OFFSET;
if(pu8CtrlBuf != NULL)
{
ret = nm_write_block(u32CurrAddr, pu8CtrlBuf, u16CtrlBufSize);
#ifdef CONF_WINC_USE_I2C
nm_bsp_sleep(1);
#endif
if(M2M_SUCCESS != ret) goto ERR1;
u32CurrAddr += u16CtrlBufSize;
}
if(pu8DataBuf != NULL)
{
u32CurrAddr += (u16DataOffset - u16CtrlBufSize);
ret = nm_write_block(u32CurrAddr, pu8DataBuf, u16DataSize);
#ifdef CONF_WINC_USE_I2C
nm_bsp_sleep(1);
#endif
if(M2M_SUCCESS != ret) goto ERR1;
u32CurrAddr += u16DataSize;
}
reg = dma_addr << 2;
reg |= (1 << 1);
ret = nm_write_reg(WIFI_HOST_RCV_CTRL_3, reg);
if(M2M_SUCCESS != ret) goto ERR1;
}
else
{
M2M_DBG("Failed to alloc rx size\r");
ret = M2M_ERR_MEM_ALLOC;
goto ERR1;
}
}
else
{
M2M_ERR("(HIF)Fail to wakup the chip\n");
goto ERR1;
}
ret = hif_chip_sleep();
ERR1:
return ret;
}
