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//
// Copyright (C) 2007-2008 Sebastian Kuzminsky
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
#include <linux/slab.h>
#include "rtapi.h"
#include "rtapi_string.h"
#include "rtapi_math.h"
#include "hal.h"
#include "hal/drivers/mesa-hostmot2/hostmot2.h"
int hm2_raw_setup(hostmot2_t *hm2) {
int r;
char name[HAL_NAME_LEN + 1];
if (hm2->config.enable_raw == 0) {
return 0;
}
hm2->raw = (hm2_raw_t *)hal_malloc(sizeof(hm2_raw_t));
if (hm2->raw == NULL) {
HM2_ERR("out of memory!\n");
hm2->config.enable_raw = 0;
return -ENOMEM;
}
rtapi_snprintf(name, sizeof(name), "%s.raw.read_address", hm2->llio->name);
r = hal_pin_u32_new(name, HAL_IN, &(hm2->raw->hal.pin.read_address), hm2->llio->comp_id);
if (r < 0) {
HM2_ERR("error adding pin '%s', aborting\n", name);
return -EINVAL;
}
rtapi_snprintf(name, sizeof(name), "%s.raw.read_data", hm2->llio->name);
r = hal_pin_u32_new(name, HAL_OUT, &(hm2->raw->hal.pin.read_data), hm2->llio->comp_id);
if (r < 0) {
HM2_ERR("error adding pin '%s', aborting\n", name);
return -EINVAL;
}
rtapi_snprintf(name, sizeof(name), "%s.raw.write_address", hm2->llio->name);
r = hal_pin_u32_new(name, HAL_IN, &(hm2->raw->hal.pin.write_address), hm2->llio->comp_id);
if (r < 0) {
HM2_ERR("error adding pin '%s', aborting\n", name);
return -EINVAL;
}
rtapi_snprintf(name, sizeof(name), "%s.raw.write_data", hm2->llio->name);
r = hal_pin_u32_new(name, HAL_IN, &(hm2->raw->hal.pin.write_data), hm2->llio->comp_id);
if (r < 0) {
HM2_ERR("error adding pin '%s', aborting\n", name);
return -EINVAL;
}
rtapi_snprintf(name, sizeof(name), "%s.raw.write_strobe", hm2->llio->name);
r = hal_pin_bit_new(name, HAL_IN, &(hm2->raw->hal.pin.write_strobe), hm2->llio->comp_id);
if (r < 0) {
HM2_ERR("error adding pin '%s', aborting\n", name);
return -EINVAL;
}
rtapi_snprintf(name, sizeof(name), "%s.raw.dump_state", hm2->llio->name);
r = hal_pin_bit_new(name, HAL_IO, &(hm2->raw->hal.pin.dump_state), hm2->llio->comp_id);
if (r < 0) {
HM2_ERR("error adding pin '%s', aborting\n", name);
return -EINVAL;
}
// init hal objects
*(hm2->raw->hal.pin.read_address) = 0;
*(hm2->raw->hal.pin.read_data) = 0;
*(hm2->raw->hal.pin.write_address) = 0;
*(hm2->raw->hal.pin.write_data) = 0;
*(hm2->raw->hal.pin.write_strobe) = 0;
*(hm2->raw->hal.pin.dump_state) = 0;
return 0;
}
void hm2_raw_read(hostmot2_t *hm2) {
if (hm2->config.enable_raw == 0) return;
hm2->llio->read(
hm2->llio,
*hm2->raw->hal.pin.read_address & 0xffff,
(void *)hm2->raw->hal.pin.read_data,
sizeof(u32)
);
if (*hm2->raw->hal.pin.dump_state != 0) {
hm2_print_modules(hm2);
*hm2->raw->hal.pin.dump_state = 0;
}
}
void hm2_raw_write(hostmot2_t *hm2) {
if (hm2->config.enable_raw == 0) return;
if (*hm2->raw->hal.pin.write_strobe == 0) return;
hm2->llio->write(
hm2->llio,
*hm2->raw->hal.pin.write_address & 0xffff,
(void *)hm2->raw->hal.pin.write_data,
sizeof(u32)
);
*hm2->raw->hal.pin.write_strobe = 0;
}
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