1 /*
2 * Author: Thomas Ingleby <thomas.c.ingleby@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*
mraa_intel_de3815()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