diff options
Diffstat (limited to 'halimpl/tml/phTmlNfc_i2c.c')
| -rw-r--r-- | halimpl/tml/phTmlNfc_i2c.c | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/halimpl/tml/phTmlNfc_i2c.c b/halimpl/tml/phTmlNfc_i2c.c deleted file mode 100644 index 55d0c0e..0000000 --- a/halimpl/tml/phTmlNfc_i2c.c +++ /dev/null @@ -1,580 +0,0 @@ -/* - * Copyright (C) 2015 NXP Semiconductors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * DAL I2C port implementation for linux - * - * Project: Trusted NFC Linux - * - */ -#include <hardware/nfc.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <termios.h> -#include <sys/ioctl.h> -#include <sys/select.h> -#include <errno.h> - -#include <phNxpLog.h> -#include <phTmlNfc_i2c.h> -#include <phNfcStatus.h> -#include <string.h> -#include <phNxpNciHal_utils.h> - -#define CRC_LEN 2 -#define NORMAL_MODE_HEADER_LEN 3 -#define FW_DNLD_HEADER_LEN 2 -#define FW_DNLD_LEN_OFFSET 1 -#define NORMAL_MODE_LEN_OFFSET 2 -#define FRAGMENTSIZE_MAX PHNFC_I2C_FRAGMENT_SIZE -static bool_t bFwDnldFlag = false; - -/******************************************************************************* -** -** Function phTmlNfc_i2c_close -** -** Description Closes PN54X device -** -** Parameters pDevHandle - device handle -** -** Returns None -** -*******************************************************************************/ -void phTmlNfc_i2c_close(void* pDevHandle) { - if (NULL != pDevHandle) { - close((intptr_t)pDevHandle); - } - - return; -} - -/******************************************************************************* -** -** Function phTmlNfc_i2c_open_and_configure -** -** Description Open and configure PN54X device -** -** Parameters pConfig - hardware information -** pLinkHandle - device handle -** -** Returns NFC status: -** NFCSTATUS_SUCCESS - open_and_configure operation success -** NFCSTATUS_INVALID_DEVICE - device open operation failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_i2c_open_and_configure(pphTmlNfc_Config_t pConfig, - void** pLinkHandle) { - int nHandle; - - NXPLOG_TML_D("Opening port=%s\n", pConfig->pDevName); - /* open port */ - nHandle = open((const char*)pConfig->pDevName, O_RDWR); - if (nHandle < 0) { - NXPLOG_TML_E("_i2c_open() Failed: retval %x", nHandle); - *pLinkHandle = NULL; - return NFCSTATUS_INVALID_DEVICE; - } - - *pLinkHandle = (void*)((intptr_t)nHandle); - - /*Reset PN54X*/ - phTmlNfc_i2c_reset((void*)((intptr_t)nHandle), 0); - usleep(10 * 1000); - phTmlNfc_i2c_reset((void*)((intptr_t)nHandle), 1); - - return NFCSTATUS_SUCCESS; -} - -/******************************************************************************* -** -** Function phTmlNfc_i2c_read -** -** Description Reads requested number of bytes from PN54X device into given -** buffer -** -** Parameters pDevHandle - valid device handle -** pBuffer - buffer for read data -** nNbBytesToRead - number of bytes requested to be read -** -** Returns numRead - number of successfully read bytes -** -1 - read operation failure -** -*******************************************************************************/ -int phTmlNfc_i2c_read(void* pDevHandle, uint8_t* pBuffer, int nNbBytesToRead) { - int ret_Read; - int ret_Select; - int numRead = 0; - struct timeval tv; - fd_set rfds; - uint16_t totalBtyesToRead = 0; - - int i; - UNUSED(nNbBytesToRead); - if (NULL == pDevHandle) { - return -1; - } - - if (false == bFwDnldFlag) { - totalBtyesToRead = NORMAL_MODE_HEADER_LEN; - } else { - totalBtyesToRead = FW_DNLD_HEADER_LEN; - } - - /* Read with 2 second timeout, so that the read thread can be aborted - when the PN54X does not respond and we need to switch to FW download - mode. This should be done via a control socket instead. */ - FD_ZERO(&rfds); - FD_SET((intptr_t)pDevHandle, &rfds); - tv.tv_sec = 2; - tv.tv_usec = 1; - - ret_Select = - select((int)((intptr_t)pDevHandle + (int)1), &rfds, NULL, NULL, &tv); - if (ret_Select < 0) { - NXPLOG_TML_E("i2c select() errno : %x", errno); - return -1; - } else if (ret_Select == 0) { - NXPLOG_TML_E("i2c select() Timeout"); - return -1; - } else { - ret_Read = read((intptr_t)pDevHandle, pBuffer, totalBtyesToRead - numRead); - if (ret_Read > 0) { - numRead += ret_Read; - } else if (ret_Read == 0) { - NXPLOG_TML_E("_i2c_read() [hdr]EOF"); - return -1; - } else { - NXPLOG_TML_E("_i2c_read() [hdr] errno : %x", errno); - return -1; - } - - if (false == bFwDnldFlag) { - totalBtyesToRead = NORMAL_MODE_HEADER_LEN; - } else { - totalBtyesToRead = FW_DNLD_HEADER_LEN; - } - - if (numRead < totalBtyesToRead) { - ret_Read = - read((intptr_t)pDevHandle, pBuffer, totalBtyesToRead - numRead); - if (ret_Read != totalBtyesToRead - numRead) { - NXPLOG_TML_E("_i2c_read() [hdr] errno : %x", errno); - return -1; - } else { - numRead += ret_Read; - } - } - if (true == bFwDnldFlag) { - totalBtyesToRead = - pBuffer[FW_DNLD_LEN_OFFSET] + FW_DNLD_HEADER_LEN + CRC_LEN; - } else { - totalBtyesToRead = - pBuffer[NORMAL_MODE_LEN_OFFSET] + NORMAL_MODE_HEADER_LEN; - } - if ((totalBtyesToRead - numRead) != 0) { - ret_Read = read((intptr_t)pDevHandle, (pBuffer + numRead), - totalBtyesToRead - numRead); - if (ret_Read > 0) { - numRead += ret_Read; - } else if (ret_Read == 0) { - NXPLOG_TML_E("_i2c_read() [pyld] EOF"); - return -1; - } else { - if (false == bFwDnldFlag) { - NXPLOG_TML_E("_i2c_read() [hdr] received"); - phNxpNciHal_print_packet("RECV", pBuffer, NORMAL_MODE_HEADER_LEN); - } - NXPLOG_TML_E("_i2c_read() [pyld] errno : %x", errno); - return -1; - } - } else { - NXPLOG_TML_E("_>>>>> Empty packet recieved !!"); - } - } - return numRead; -} - -/******************************************************************************* -** -** Function phTmlNfc_i2c_write -** -** Description Writes requested number of bytes from given buffer into -** PN54X device -** -** Parameters pDevHandle - valid device handle -** pBuffer - buffer for read data -** nNbBytesToWrite - number of bytes requested to be written -** -** Returns numWrote - number of successfully written bytes -** -1 - write operation failure -** -*******************************************************************************/ -int phTmlNfc_i2c_write(void* pDevHandle, uint8_t* pBuffer, - int nNbBytesToWrite) { - int ret; - int numWrote = 0; - int i; - int numBytes = nNbBytesToWrite; - if (NULL == pDevHandle) { - return -1; - } - if (fragmentation_enabled == I2C_FRAGMENATATION_DISABLED && - nNbBytesToWrite > FRAGMENTSIZE_MAX) { - NXPLOG_TML_E( - "i2c_write() data larger than maximum I2C size,enable I2C " - "fragmentation"); - return -1; - } - while (numWrote < nNbBytesToWrite) { - if (fragmentation_enabled == I2C_FRAGMENTATION_ENABLED && - nNbBytesToWrite > FRAGMENTSIZE_MAX) { - if (nNbBytesToWrite - numWrote > FRAGMENTSIZE_MAX) { - numBytes = numWrote + FRAGMENTSIZE_MAX; - } else { - numBytes = nNbBytesToWrite; - } - } - ret = write((intptr_t)pDevHandle, pBuffer + numWrote, numBytes - numWrote); - if (ret > 0) { - numWrote += ret; - if (fragmentation_enabled == I2C_FRAGMENTATION_ENABLED && - numWrote < nNbBytesToWrite) { - usleep(500); - } - } else if (ret == 0) { - NXPLOG_TML_E("_i2c_write() EOF"); - return -1; - } else { - NXPLOG_TML_E("_i2c_write() errno : %x", errno); - if (errno == EINTR || errno == EAGAIN) { - continue; - } - return -1; - } - } - - return numWrote; -} - -/******************************************************************************* -** -** Function phTmlNfc_i2c_reset -** -** Description Reset PN54X device, using VEN pin -** -** Parameters pDevHandle - valid device handle -** level - reset level -** -** Returns 0 - reset operation success -** -1 - reset operation failure -** -*******************************************************************************/ -int phTmlNfc_i2c_reset(void* pDevHandle, long level) { - int ret = -1; - - NXPLOG_TML_D("phTmlNfc_i2c_reset(), VEN level %ld", level); - - if (NULL == pDevHandle) { - return -1; - } - ret = ioctl((intptr_t)pDevHandle, PN544_SET_PWR, level); - if (ret < 0) { - NXPLOG_TML_E("%s :failed errno = 0x%x", __func__, errno); - if (level == 2 && errno == EBUSY) { - notifyFwrequest = true; - } else { - notifyFwrequest = false; - } - } - if (level == 2 && ret == 0) { - bFwDnldFlag = true; - } else { - bFwDnldFlag = false; - } - return ret; -} - -/******************************************************************************* -** -** Function phTmlNfc_i2c_set_Jcop_dwnld_state -** -** Description This function set jcop download state. -** -** Parameters pDevHandle - valid device handle -** -** Returns NFCSTATUS -** -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_i2c_set_Jcop_dwnld_state(void* pDevHandle, long level) { - NXPLOG_TML_D("phTmlNfc_i2c_set_Jcop_dwnld_state()"); - if(!nfcFL.nfcNxpEse) { - NXPLOG_TML_D("NxpEse not available. Returning"); - return NFCSTATUS_FAILED; - } - int32_t ret = -1; - NFCSTATUS wStatus = NFCSTATUS_SUCCESS; - - NXPLOG_TML_D("phTmlNfc_i2c_set_Jcop_dwnld_state(), level %ld", level); - - if (NULL == pDevHandle) return NFCSTATUS_FAILED; - - ret = - ioctl((intptr_t)pDevHandle, PN544_SET_DWNLD_STATUS, (unsigned long)level); - if (ret < 0) { - NXPLOG_TML_E("%s : failed errno = 0x%x", __func__, errno); - if (errno == -EBUSY) { - wStatus = NFCSTATUS_BUSY; - } else if (errno == -EBADRQC) { - wStatus = NFCSTATUS_INVALID_FORMAT; - } else if (errno == -EINVAL) { - wStatus = NFCSTATUS_INVALID_PARAMETER; - } else { - wStatus = NFCSTATUS_FAILED; - } - } - return wStatus; -} - -/******************************************************************************* -** -** Function phTmlNfc_set_pid -** -** Description -** -** Parameters pDevHandle - valid device handle -** pid - nfc service pid -** -** Returns p61_access_state_t - get_p61_power operation success -** P61_STATE_INVALID - get_p61_power operation failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_set_pid(void* pDevHandle, long pid) { - NXPLOG_TML_D("phTmlNfc_set_pid()"); - if(!nfcFL.nfcNxpEse) { - NXPLOG_TML_D("NxpEse not available. Returning"); - return NFCSTATUS_FAILED; - } - NFCSTATUS wStatus = NFCSTATUS_FAILED; - uint32_t ret = -1; - NXPLOG_TML_D("phTmlNfc_set_pid(), pid %ld", pid); - - if (NULL == pDevHandle) { - return NFCSTATUS_FAILED; - } - - ret = (uint32_t)ioctl((intptr_t)pDevHandle, P544_SET_NFC_SERVICE_PID, pid); - if (!ret) wStatus = NFCSTATUS_SUCCESS; - - return wStatus; -} - -/******************************************************************************* -** -** Function phTmlNfc_set_power_scheme -** -** Description This function sets the eSE power scheme in pn544 driver -** -** Parameters pDevHandle - valid device handle -** pid - nfc service pid -** -** Returns p61_access_state_t - get_p61_power operation success -** P61_STATE_INVALID - get_p61_power operation failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_set_power_scheme(void* pDevHandle, long id) { - NXPLOG_TML_D("phTmlNfc_set_power_scheme()"); - if(!nfcFL.nfcNxpEse) { - NXPLOG_TML_D("NxpEse not available. Returning"); - return NFCSTATUS_FAILED; - } - int ret; - NXPLOG_TML_D("phTmlNfc_set_power_scheme(), id %ld", id); - - if (NULL == pDevHandle) { - return NFCSTATUS_FAILED; - } - - ret = ioctl((intptr_t)pDevHandle, P544_SET_POWER_SCHEME, id); - return ret; -} -/******************************************************************************* -** -** Function phTmlNfc_i2c_set_p61_power_state -** -** Description -** -** Parameters pDevHandle - valid device handle -** -** Returns p61_access_state_t - get_p61_power operation success -** P61_STATE_INVALID - get_p61_power operation failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_i2c_set_p61_power_state(void* pDevHandle, long level) { - NXPLOG_TML_D("phTmlNfc_i2c_set_p61_power_state()"); - if(!nfcFL.nfcNxpEse) { - NXPLOG_TML_D("NxpEse not available. Returning"); - return NFCSTATUS_FAILED; - } - int ret = -1; - NFCSTATUS wStatus = NFCSTATUS_FAILED; - - NXPLOG_TML_D("phTmlNfc_i2c_set_p61_power_state(), level %ld", level); - - if (NULL == pDevHandle) { - return -1; - } - ret = ioctl((intptr_t)pDevHandle, P61_SET_WIRED_ACCESS, (unsigned long)level); - if (ret < 0) { - NXPLOG_TML_E("%s : failed errno = 0x%x", __func__, errno); - if (errno == -EBUSY) { - wStatus = NFCSTATUS_BUSY; - } else if (errno == -EPERM) { - wStatus = NFCSTATUS_NOT_ALLOWED; - } else if (errno == -EBADRQC) { - wStatus = NFCSTATUS_INVALID_PARAMETER; - } else { - wStatus = NFCSTATUS_FAILED; - } - } else { - wStatus = NFCSTATUS_SUCCESS; - } - - return wStatus; -} - -/******************************************************************************* -** -** Function phTmlNfc_i2c_get_p61_power_state -** -** Description -** -** Parameters pDevHandle - valid device handle -** -** Returns get_p61_power operation success -** NFCSTATUS_FAILED - get_p61_power operation failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_i2c_get_p61_power_state(void* pDevHandle) { - NXPLOG_TML_D("phTmlNfc_i2c_get_p61_power_state()"); - if(!nfcFL.nfcNxpEse) { - NXPLOG_TML_D("NxpEse not available. Returning"); - return NFCSTATUS_FAILED; - } - int ret; - NFCSTATUS wStatus = NFCSTATUS_FAILED; - p61_access_state_t p61_current_state = P61_STATE_INVALID; - NXPLOG_TML_D("phTmlNfc_i2c_get_p61_power_mode()"); - - if (NULL == pDevHandle) { - return -1; - } - ret = ioctl((intptr_t)pDevHandle, P61_GET_PWR_STATUS, - (unsigned long)&p61_current_state); - if (ret < 0) { - NXPLOG_TML_E("%s : failed errno = 0x%x", __func__, errno); - p61_current_state = P61_STATE_INVALID; - } - wStatus = p61_current_state; - return wStatus; -} -/******************************************************************************* -** -** Function phTmlNfc_get_ese_access -** -** Description -** -** Parameters pDevHandle - valid device handle -** timeout - timeout to wait for ese access -** -** Returns success or failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_get_ese_access(void* pDevHandle, long timeout) { - NXPLOG_TML_D("phTmlNfc_get_ese_access()"); - if(!nfcFL.nfcNxpEse) { - NXPLOG_TML_D("NxpEse not available. Returning"); - return NFCSTATUS_FAILED; - } - int ret = -1; - NFCSTATUS status = NFCSTATUS_SUCCESS; - NXPLOG_TML_D("phTmlNfc_get_ese_access(), enter timeout %ld", timeout); - - if (NULL == pDevHandle) { - return NFCSTATUS_FAILED; - } - - ret = ioctl((intptr_t)pDevHandle, P544_GET_ESE_ACCESS, timeout); - if (ret < 0) { - if (ret == -EBUSY) - status = NFCSTATUS_BUSY; - else - status = NFCSTATUS_FAILED; - } - NXPLOG_TML_D("phTmlNfc_get_ese_access(), exit ret %d, status %d", ret, - status); - return status; -} - -/******************************************************************************* -** -** Function phTmlNfc_rel_svdd_wait -** -** Description -** -** Parameters pDevHandle - valid device handle -** -** Returns success or failure -** -*******************************************************************************/ -NFCSTATUS phTmlNfc_rel_svdd_wait(void* pDevHandle) { - NXPLOG_TML_D("phTmlNfc_rel_svdd_wait()"); - if(!nfcFL.nfcNxpEse && !nfcFL.eseFL._ESE_SVDD_SYNC) { - NXPLOG_TML_D("NxpEse and ESE_SVDD_SYNC not available. Returning"); - return NFCSTATUS_FAILED; - } - int ret = -1; - NFCSTATUS status = NFCSTATUS_SUCCESS; - NXPLOG_TML_D("phTmlNfc_rel_svdd_wait(), enter "); - - if (NULL == pDevHandle) { - return NFCSTATUS_FAILED; - } - - ret = ioctl((intptr_t)pDevHandle, P544_REL_SVDD_WAIT); - if (ret < 0) { - if (ret == -EBUSY) - status = NFCSTATUS_BUSY; - else - status = NFCSTATUS_FAILED; - } - NXPLOG_TML_D("phTmlNfc_rel_svdd_wait(), exit ret %d, status %d", ret, - status); - return status; -} - -/******************************************************************************* -** -** Function getDownloadFlag -** -** Description Returns the current mode -** -** Parameters none -** -** Returns Current mode download/NCI -*******************************************************************************/ -bool_t getDownloadFlag(void) { return bFwDnldFlag; } |