1 /* 2 * Author: Thomas Ingleby <thomas.c.ingleby (at) intel.com> 3 * Copyright (c) 2014 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_de3815.h" 33 34 #define PLATFORM_NAME "Intel DE3815" 35 #define SYSFS_CLASS_GPIO "/sys/class/gpio" 36 #define I2CNAME "designware" 37 38 mraa_board_t* 39 mraa_intel_de3815() 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_DE3815_PINCOUNT; 48 b->aio_count = 0; 49 b->adc_raw = 0; 50 b->adc_supported = 0; 51 b->pwm_default_period = 500; 52 b->pwm_max_period = 2147483; 53 b->pwm_min_period = 1; 54 55 b->pins = (mraa_pininfo_t*) calloc(MRAA_INTEL_DE3815_PINCOUNT,sizeof(mraa_pininfo_t)); 56 if (b->pins == NULL) { 57 goto error; 58 } 59 60 b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t)); 61 if (b->adv_func == NULL) { 62 free(b->pins); 63 goto error; 64 } 65 66 strncpy(b->pins[0].name, "1.8v", 8); 67 b->pins[0].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 68 69 strncpy(b->pins[1].name, "GND", 8); 70 b->pins[1].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 71 strncpy(b->pins[2].name, "HDMIcec", 8); 72 b->pins[2].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 73 strncpy(b->pins[3].name, "DMICclk", 8); 74 b->pins[3].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 75 strncpy(b->pins[4].name, "3.3v", 8); 76 b->pins[4].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 77 strncpy(b->pins[5].name, "DMICda", 8); 78 b->pins[5].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 79 strncpy(b->pins[6].name, "Key", 8); 80 b->pins[6].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 81 strncpy(b->pins[7].name, "SMB-A", 8); 82 b->pins[7].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 83 strncpy(b->pins[8].name, "5v", 8); 84 b->pins[8].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 85 strncpy(b->pins[9].name, "SCI", 8); 86 b->pins[9].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 87 88 strncpy(b->pins[10].name, "PWM0", 8); 89 b->pins[10].capabilites = (mraa_pincapabilities_t){ 1, 0, 1, 0, 0, 0, 0, 0 }; 90 b->pins[10].pwm.pinmap = 0; 91 b->pins[10].pwm.parent_id = 0; 92 b->pins[10].pwm.mux_total = 0; 93 94 strncpy(b->pins[11].name, "PWM1", 8); 95 b->pins[11].capabilites = (mraa_pincapabilities_t){ 1, 0, 1, 0, 0, 0, 0, 0 }; 96 b->pins[11].pwm.pinmap = 0; 97 b->pins[11].pwm.parent_id = 1; 98 b->pins[11].pwm.mux_total = 0; 99 100 strncpy(b->pins[12].name, "I2C0SCL", 8); 101 b->pins[12].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 102 b->pins[12].i2c.pinmap = 1; 103 b->pins[12].i2c.mux_total = 0; 104 105 strncpy(b->pins[13].name, "I2C0SDA", 8); 106 b->pins[13].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 107 b->pins[13].i2c.pinmap = 1; 108 b->pins[13].i2c.mux_total = 0; 109 110 strncpy(b->pins[14].name, "I2C1SCL", 8); 111 b->pins[14].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 112 b->pins[14].i2c.pinmap = 1; 113 b->pins[14].i2c.mux_total = 0; 114 115 strncpy(b->pins[15].name, "I2C1SDA", 8); 116 b->pins[15].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 }; 117 b->pins[15].i2c.pinmap = 1; 118 b->pins[15].i2c.mux_total = 0; 119 120 strncpy(b->pins[16].name, "SMB_CLK", 8); 121 b->pins[16].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 122 strncpy(b->pins[17].name, "SMB_SDA", 8); 123 b->pins[17].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; 124 125 b->i2c_bus_count = 0; 126 int i2c_num = -1; 127 int i; 128 for (i = 0; i < 2; i++) { 129 i2c_num = mraa_find_i2c_bus(I2CNAME, i2c_num + 1); 130 if (i2c_num == -1) { 131 break; 132 } 133 b->i2c_bus_count++; 134 b->i2c_bus[i].bus_id = i2c_num; 135 b->i2c_bus[i].sda = 12 + i; 136 b->i2c_bus[i].scl = 13 + i; 137 } 138 139 if (b->i2c_bus_count > 0) { 140 b->def_i2c_bus = b->i2c_bus[0].bus_id; 141 } 142 143 144 b->spi_bus_count = 1; 145 b->def_spi_bus = 0; 146 b->spi_bus[0].bus_id = 1; 147 b->spi_bus[0].slave_s = 0; 148 b->spi_bus[0].cs = 10; 149 b->spi_bus[0].mosi = 11; 150 b->spi_bus[0].miso = 12; 151 b->spi_bus[0].sclk = 13; 152 153 b->uart_dev_count = 0; 154 155 return b; 156 error: 157 syslog(LOG_CRIT, "de3815: Platform failed to initialise"); 158 free(b); 159 return NULL; 160 } 161
