1 /* 2 * Author: Brendan Le Foll <brendan.le.foll (at) intel.com> 3 * Copyright (c) 2015 Intel Corporation. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #include <stdlib.h> 26 #include <string.h> 27 #include <sys/types.h> 28 #include <sys/stat.h> 29 #include <fcntl.h> 30 31 #include "common.h" 32 #include "x86/intel_nuc5.h" 33 34 #define PLATFORM_NAME "Intel NUC5" 35 #define SYSFS_CLASS_GPIO "/sys/class/gpio" 36 #define I2CNAME "designware" 37 38 mraa_board_t* 39 mraa_intel_nuc5() 40 { 41 mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t)); 42 if (b == NULL) { 43 return NULL; 44 } 45 46 b->platform_name = PLATFORM_NAME; 47 b->phy_pin_count = MRAA_INTEL_NUC5_PINCOUNT; 48 49 b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t)); 50 if (b->adv_func == NULL) { 51 goto error; 52 } 53 54 b->pins = (mraa_pininfo_t*) calloc(MRAA_INTEL_NUC5_PINCOUNT,sizeof(mraa_pininfo_t)); 55 if (b->pins == NULL) { 56 free(b->adv_func); 57 goto error; 58 } 59 60 strncpy(b->pins[0].name, "1.8v", 8); 61 b->pins[0].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 62 63 strncpy(b->pins[1].name, "GND", 8); 64 b->pins[1].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 65 strncpy(b->pins[2].name, "HDMIcec", 8); 66 b->pins[2].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 67 strncpy(b->pins[3].name, "DMICclk", 8); 68 b->pins[3].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 69 strncpy(b->pins[4].name, "3.3v", 8); 70 b->pins[4].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 71 strncpy(b->pins[5].name, "DMICda", 8); 72 b->pins[5].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 73 strncpy(b->pins[6].name, "Key", 8); 74 b->pins[6].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 75 strncpy(b->pins[7].name, "SMB-A", 8); 76 b->pins[7].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 77 strncpy(b->pins[8].name, "5v", 8); 78 b->pins[8].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 79 strncpy(b->pins[9].name, "SCI", 8); 80 b->pins[9].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 81 82 strncpy(b->pins[10].name, "PWM0", 8); 83 b->pins[10].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 84 b->pins[10].pwm.pinmap = 0; 85 b->pins[10].pwm.parent_id = 0; 86 b->pins[10].pwm.mux_total = 0; 87 88 strncpy(b->pins[11].name, "PWM1", 8); 89 b->pins[11].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 90 b->pins[11].pwm.pinmap = 0; 91 b->pins[11].pwm.parent_id = 1; 92 b->pins[11].pwm.mux_total = 0; 93 94 strncpy(b->pins[12].name, "I2C0SCL", 8); 95 b->pins[12].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 96 b->pins[12].i2c.pinmap = 1; 97 b->pins[12].i2c.mux_total = 0; 98 99 strncpy(b->pins[13].name, "I2C0SDA", 8); 100 b->pins[13].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 101 b->pins[13].i2c.pinmap = 1; 102 b->pins[13].i2c.mux_total = 0; 103 104 strncpy(b->pins[14].name, "I2C1SCL", 8); 105 b->pins[14].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 106 b->pins[14].i2c.pinmap = 1; 107 b->pins[14].i2c.mux_total = 0; 108 109 strncpy(b->pins[15].name, "I2C1SDA", 8); 110 b->pins[15].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 111 b->pins[15].i2c.pinmap = 1; 112 b->pins[15].i2c.mux_total = 0; 113 114 strncpy(b->pins[16].name, "SMB_CLK", 8); 115 b->pins[16].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 116 strncpy(b->pins[17].name, "SMB_SDA", 8); 117 b->pins[17].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 118 119 b->i2c_bus_count = 0; 120 int i2c_num = -1; 121 int i; 122 for (i = 0; i < 2; i++) { 123 i2c_num = mraa_find_i2c_bus(I2CNAME, i2c_num + 1); 124 if (i2c_num == -1) { 125 break; 126 } 127 b->i2c_bus_count++; 128 b->i2c_bus[i].bus_id = i2c_num; 129 b->i2c_bus[i].sda = 12 + i; 130 b->i2c_bus[i].scl = 13 + i; 131 } 132 133 if (b->i2c_bus_count > 0) { 134 b->def_i2c_bus = b->i2c_bus[0].bus_id; 135 } 136 137 return b; 138 error: 139 syslog(LOG_CRIT, "nuc5: Platform failed to initialise"); 140 free(b); 141 return NULL; 142 } 143