2 * Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
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:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
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.
28 #include <sys/types.h>
33 #include "x86/intel_de3815.h"
35 #define PLATFORM_NAME "Intel DE3815"
37 #define SYSFS_CLASS_GPIO "/sys/class/gpio"
38 #define I2CNAME "designware"
43 mraa_board_t* b = (mraa_board_t*) malloc(sizeof(mraa_board_t));
48 b->platform_name = PLATFORM_NAME;
49 b->phy_pin_count = 18;
50 // b->gpio_count = 14;
54 b->pwm_default_period = 500;
55 b->pwm_max_period = 2147483;
56 b->pwm_min_period = 1;
58 b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t) * MRAA_INTEL_DE3815_PINCOUNT);
59 if (b->pins == NULL) {
63 strncpy(b->pins[0].name, "1.8v", 8);
64 b->pins[0].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
66 strncpy(b->pins[1].name, "GND", 8);
67 b->pins[1].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
68 strncpy(b->pins[2].name, "HDMIcec", 8);
69 b->pins[2].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
70 strncpy(b->pins[3].name, "DMICclk", 8);
71 b->pins[3].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
72 strncpy(b->pins[4].name, "3.3v", 8);
73 b->pins[4].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
74 strncpy(b->pins[5].name, "DMICda", 8);
75 b->pins[5].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
76 strncpy(b->pins[6].name, "Key", 8);
77 b->pins[6].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
78 strncpy(b->pins[7].name, "SMB-A", 8);
79 b->pins[7].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
80 strncpy(b->pins[8].name, "5v", 8);
81 b->pins[8].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
82 strncpy(b->pins[9].name, "SCI", 8);
83 b->pins[9].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
85 strncpy(b->pins[10].name, "PWM0", 8);
86 b->pins[10].capabilites = (mraa_pincapabilities_t){ 1, 0, 1, 0, 0, 0, 0, 0 };
87 b->pins[10].pwm.pinmap = 0;
88 b->pins[10].pwm.parent_id = 0;
89 b->pins[10].pwm.mux_total = 0;
91 strncpy(b->pins[11].name, "PWM1", 8);
92 b->pins[11].capabilites = (mraa_pincapabilities_t){ 1, 0, 1, 0, 0, 0, 0, 0 };
93 b->pins[11].pwm.pinmap = 0;
94 b->pins[11].pwm.parent_id = 1;
95 b->pins[11].pwm.mux_total = 0;
97 strncpy(b->pins[12].name, "I2C0SCL", 8);
98 b->pins[12].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 };
99 b->pins[12].i2c.pinmap = 1;
100 b->pins[12].i2c.mux_total = 0;
102 strncpy(b->pins[13].name, "I2C0SDA", 8);
103 b->pins[13].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 };
104 b->pins[13].i2c.pinmap = 1;
105 b->pins[13].i2c.mux_total = 0;
107 strncpy(b->pins[14].name, "I2C1SCL", 8);
108 b->pins[14].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 };
109 b->pins[14].i2c.pinmap = 1;
110 b->pins[14].i2c.mux_total = 0;
112 strncpy(b->pins[15].name, "I2C1SDA", 8);
113 b->pins[15].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 1, 0, 0 };
114 b->pins[15].i2c.pinmap = 1;
115 b->pins[15].i2c.mux_total = 0;
117 strncpy(b->pins[16].name, "SMB_CLK", 8);
118 b->pins[16].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
119 strncpy(b->pins[17].name, "SMB_SDA", 8);
120 b->pins[17].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 };
124 if (mraa_file_exist("/dev/i2c-0")) {
125 b->i2c_bus_count = 2;
128 for (i = 0; i < 9; i++) {
131 char value[MAX_SIZE];
132 snprintf(path, MAX_SIZE, "/sys/class/i2c-dev/i2c-%u/name", i);
133 fd = open(path, O_RDONLY);
137 size = lseek(fd, 0, SEEK_END);
139 syslog(LOG_WARNING, "mraa: failed to seek i2c filename file");
143 err = lseek(fd, 0, SEEK_SET);
145 syslog(LOG_WARNING, "mraa: failed to seek i2c filename file");
149 if (size >= MAX_SIZE) {
150 syslog(LOG_NOTICE, "mraa: i2c filename file too big, skipping");
154 ssize_t r = read(fd, value, size);
156 if (strcasestr(value, I2CNAME) != NULL) {
158 b->i2c_bus_count = 2;
160 b->i2c_bus[0].bus_id = i;
161 b->i2c_bus[0].sda = 12;
162 b->i2c_bus[0].scl = 13;
164 b->i2c_bus[1].bus_id = i + 1;
165 b->i2c_bus[1].sda = 14;
166 b->i2c_bus[1].scl = 15;
171 syslog(LOG_ERR, "mraa: sysfs i2cdev failed");
179 syslog(LOG_WARNING, "mraa: no i2c-dev detected, load i2c-dev");
180 b->i2c_bus_count = 0;
184 syslog(LOG_WARNING, "mraa: no i2c-dev detected, load i2c-dev");
185 b->i2c_bus_count = 0;
189 b->spi_bus_count = 1;
191 b->spi_bus[0].bus_id = 1;
192 b->spi_bus[0].slave_s = 0;
193 b->spi_bus[0].cs = 10;
194 b->spi_bus[0].mosi = 11;
195 b->spi_bus[0].miso = 12;
196 b->spi_bus[0].sclk = 13;
198 b->uart_dev_count = 0;
202 syslog(LOG_CRIT, "de3815: Platform failed to initialise");