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/*
* Author: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
* Copyright (c) 2014 Intel Corporation.
* Copyright (c) 2015 Linaro Limited.
*
* Copied from src/arm/banana.c
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <mraa/common.h>
#include "common.h"
#include "arm/96boards.h"
#define DT_BASE "/sys/firmware/devicetree/base"
#define PLATFORM_NAME_DB410C "DB410C"
int db410c_ls_gpio_pins[MRAA_96BOARDS_LS_GPIO_COUNT] = {
36, 12, 13, 69, 115, 4, 24, 25, 35, 34, 28, 33,
};
const char* db410c_serialdev[MRAA_96BOARDS_LS_UART_COUNT] = { "/dev/ttyMSM0", "/dev/ttyMSM1"};
mraa_board_t* mraa_96boards()
{
int i, pin;
int *ls_gpio_pins;
char ch;
char name[MRAA_PIN_NAME_SIZE];
mraa_board_t* b = (mraa_board_t*) malloc(sizeof(mraa_board_t));
if (b == NULL) {
return NULL;
}
// pin mux for buses are setup by default by kernel so tell mraa to ignore them
b->no_bus_mux = 1;
if (mraa_file_exist(DT_BASE "/model")) {
// We are on a modern kernel, great!!!!
if (mraa_file_contains(DT_BASE "/model", "Qualcomm Technologies, Inc. APQ 8016 SBC")) {
b->platform_name = PLATFORM_NAME_DB410C;
b->phy_pin_count = DB410C_PINCOUNT;
ls_gpio_pins = db410c_ls_gpio_pins;
b->uart_dev[0].device_path = db410c_serialdev[0];
b->uart_dev[1].device_path = db410c_serialdev[1];
}
}
//UART
b->uart_dev_count = MRAA_96BOARDS_LS_UART_COUNT;
b->def_uart_dev = 0;
//I2C
b->i2c_bus_count = MRAA_96BOARDS_LS_I2C_COUNT;
b->def_i2c_bus = 0;
b->i2c_bus[0].bus_id = 0;
b->i2c_bus[1].bus_id= 1;
//SPI
b->spi_bus_count = MRAA_96BOARDS_LS_SPI_COUNT;
b->spi_bus[0].bus_id = 0;
b->def_spi_bus = 0;
b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t));
if (b->adv_func == NULL) {
free(b);
return NULL;
}
b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t) * b->phy_pin_count);
if (b->pins == NULL) {
free(b->adv_func);
free(b);
return NULL;
}
// gpio lable starts from GPIO-A to GPIO-F
ch = 'A';
for (i = 0; i < MRAA_96BOARDS_LS_GPIO_COUNT; i++)
{
pin = ls_gpio_pins[i];
sprintf(name, "GPIO-%c", ch++);
strncpy(b->pins[pin].name, name, MRAA_PIN_NAME_SIZE);
b->pins[pin].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 };
b->pins[pin].gpio.pinmap = pin;
b->pins[pin].gpio.mux_total = 0;
}
b->gpio_count = MRAA_96BOARDS_LS_GPIO_COUNT;
b->aio_count = 0;
b->adc_raw = 0;
b->adc_supported = 0;
b->gpio_count = 0;
return b;
}
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