diff options
Diffstat (limited to 'nfc/nfc_hw.c')
| -rw-r--r-- | nfc/nfc_hw.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/nfc/nfc_hw.c b/nfc/nfc_hw.c deleted file mode 100644 index b604768..0000000 --- a/nfc/nfc_hw.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * 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. - */ -#include <errno.h> -#include <string.h> - -#include <hardware/hardware.h> -#include <hardware/nfc.h> - -static uint8_t pn544_eedata_settings[][4] = { - // DIFFERENTIAL_ANTENNA - - // RF Settings - {0x00,0x9B,0xD1,0x0D} // Tx consumption higher than 0x0D (average 50mA) - ,{0x00,0x9B,0xD2,0x24} // GSP setting for this threshold - ,{0x00,0x9B,0xD3,0x0A} // Tx consumption higher than 0x0A (average 40mA) - ,{0x00,0x9B,0xD4,0x22} // GSP setting for this threshold - ,{0x00,0x9B,0xD5,0x08} // Tx consumption higher than 0x08 (average 30mA) - ,{0x00,0x9B,0xD6,0x1E} // GSP setting for this threshold - ,{0x00,0x9B,0xDD,0x1C} // GSP setting for this threshold - ,{0x00,0x9B,0x84,0x13} // ANACM2 setting - ,{0x00,0x99,0x81,0x7F} // ANAVMID setting PCD - ,{0x00,0x99,0x31,0x70} // ANAVMID setting PICC - - // Enable PBTF - ,{0x00,0x98,0x00,0x3F} // SECURE_ELEMENT_CONFIGURATION - No Secure Element - ,{0x00,0x9F,0x09,0x00} // SWP_PBTF_RFU - ,{0x00,0x9F,0x0A,0x05} // SWP_PBTF_RFLD --> RFLEVEL Detector for PBTF - ,{0x00,0x9E,0xD1,0xA1} // - - // Change RF Level Detector ANARFLDWU - ,{0x00,0x99,0x23,0x00} // Default Value is 0x01 - - // Low-power polling - ,{0x00,0x9E,0x74,0xB0} // Default Value is 0x00, bits 0->2: sensitivity (0==max, 6==min), - // bit 3: RFU, - // bits 4,5 hybrid low-power: # of low-power polls per regular poll - // bit 6: RFU - // bit 7: (0 -> disabled, 1 -> enabled) - ,{0x00,0x9E,0x7D,0xB0} // bits 0->3: RFU, - // bits 4,5: # retries after low power detection - // 0=1 retry, 1=2 retry, 2=3 retry, 3=4 retry - // bit 6: RFU, - // bit 7: Enable or disable retry mechanism (0: disable, 1: enable) - ,{0x00,0x9F,0x28,0x01} // bits 0->7: # of measurements per low-power poll - - //LLC Timer - ,{0x00,0x9C,0x31,0x00} // Guard host time-out in ms (MSB) - ,{0x00,0x9C,0x32,0xC8} // Guard host time-out in ms (LSB) - ,{0x00,0x9C,0x19,0x40} // Max RX retry (PN544=>host?) - ,{0x00,0x9C,0x1A,0x40} // Max TX retry (PN544=>host?) - - ,{0x00,0x9C,0x0C,0x00} // - ,{0x00,0x9C,0x0D,0x00} // - ,{0x00,0x9C,0x12,0x00} // - ,{0x00,0x9C,0x13,0x00} // - - //WTX for LLCP communication - ,{0x00,0x98,0xA2,0x0E} // Max value: 14 (default value: 09) - - //SE GPIO - ,{0x00, 0x98, 0x93, 0x40} - - // Set NFCT ATQA - ,{0x00, 0x98, 0x7D, 0x02} - ,{0x00, 0x98, 0x7E, 0x00} - - // Enable CEA detection mechanism - ,{0x00, 0x9F, 0xC8, 0x01} - // Set NFC-F poll RC=0x00 - ,{0x00, 0x9F, 0x9A, 0x00} - // Setting for EMD support for ISO 14443-4 Reader - ,{0x00,0x9F,0x09,0x00} // 0x00 - Disable EMD support, 0x01 - Enable EMD support -}; - -static int pn544_close(hw_device_t *dev) { - free(dev); - - return 0; -} - -/* - * Generic device handling - */ - -static int nfc_open(const hw_module_t* module, const char* name, - hw_device_t** device) { - if (strcmp(name, NFC_PN544_CONTROLLER) == 0) { - nfc_pn544_device_t *dev = calloc(1, sizeof(nfc_pn544_device_t)); - - dev->common.tag = HARDWARE_DEVICE_TAG; - dev->common.version = 0; - dev->common.module = (struct hw_module_t*) module; - dev->common.close = pn544_close; - - dev->num_eeprom_settings = sizeof(pn544_eedata_settings) / 4; - dev->eeprom_settings = (uint8_t*)pn544_eedata_settings; - dev->linktype = PN544_LINK_TYPE_I2C; - dev->device_node = "/dev/pn544"; - dev->enable_i2c_workaround = 1; - *device = (hw_device_t*) dev; - return 0; - } else { - return -EINVAL; - } -} - -static struct hw_module_methods_t nfc_module_methods = { - .open = nfc_open, -}; - -struct nfc_module_t HAL_MODULE_INFO_SYM = { - .common = { - .tag = HARDWARE_MODULE_TAG, - .version_major = 1, - .version_minor = 0, - .id = NFC_HARDWARE_MODULE_ID, - .name = "Herring NFC HW HAL", - .author = "The Android Open Source Project", - .methods = &nfc_module_methods, - }, -}; |