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/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2013-2014 Paul Kocialkowski <contact@paulk.fr>
*
* libsamsung-ipc 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.
*
* libsamsung-ipc 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 libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/mman.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <samsung-ipc.h>
#include "ipc.h"
#include "devices/n7100/n7100.h"
#include "modems/xmm626/xmm626.h"
#include "modems/xmm626/xmm626_hsic.h"
#include "modems/xmm626/xmm626_kernel_smdk4412.h"
int n7100_boot(struct ipc_client *client)
{
void *modem_image_data = NULL;
int modem_image_fd = -1;
int modem_boot_fd = -1;
int modem_link_fd = -1;
unsigned char *p;
int rc;
if (client == NULL)
return -1;
ipc_client_log(client, "Starting n7100 modem boot");
modem_image_fd = open(N7100_MODEM_IMAGE_DEVICE, O_RDONLY);
if (modem_image_fd < 0) {
ipc_client_log(client, "Opening modem image device failed");
goto error;
}
ipc_client_log(client, "Opened modem image device");
modem_image_data = mmap(0, N7100_MODEM_IMAGE_SIZE, PROT_READ,
MAP_SHARED, modem_image_fd, 0);
if (modem_image_data == NULL ||
modem_image_data == (void *) 0xffffffff) {
ipc_client_log(client,
"Mapping modem image data to memory failed");
goto error;
}
ipc_client_log(client, "Mapped modem image data to memory");
modem_boot_fd = open(XMM626_SEC_MODEM_BOOT0_DEVICE,
O_RDWR | O_NOCTTY | O_NONBLOCK);
if (modem_boot_fd < 0) {
ipc_client_log(client, "Opening modem boot device failed");
goto error;
}
ipc_client_log(client, "Opened modem boot device");
modem_link_fd = open(XMM626_SEC_MODEM_LINK_PM_DEVICE, O_RDWR);
if (modem_link_fd < 0) {
ipc_client_log(client, "Opening modem link device failed");
goto error;
}
ipc_client_log(client, "Opened modem link device");
rc = xmm626_kernel_smdk4412_hci_power(client, 0);
if (rc < 0) {
ipc_client_log(client, "Turning the modem off failed");
goto error;
}
ipc_client_log(client, "Turned the modem off");
rc = xmm626_kernel_smdk4412_power(client, modem_boot_fd, 1);
if (rc < 0) {
ipc_client_log(client, "Powering on the modem failed");
goto error;
}
rc = xmm626_kernel_smdk4412_hci_power(client, 1);
if (rc < 0) {
ipc_client_log(client, "Powering on the HCI bus failed");
goto error;
}
ipc_client_log(client, "Turned the modem on");
rc = xmm626_kernel_smdk4412_link_connected_wait(client, modem_link_fd);
if (rc < 0) {
ipc_client_log(client, "Waiting for link connected failed");
goto error;
}
ipc_client_log(client, "Waited for link connected");
p = (unsigned char *) modem_image_data + N7100_PSI_OFFSET;
rc = xmm626_hsic_psi_send(client, modem_boot_fd, (void *) p,
N7100_PSI_SIZE);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC PSI failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC PSI");
p = (unsigned char *) modem_image_data + N7100_EBL_OFFSET;
rc = xmm626_hsic_ebl_send(client, modem_boot_fd, (void *) p,
N7100_EBL_SIZE);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC EBL failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC EBL");
rc = xmm626_hsic_port_config_send(client, modem_boot_fd);
if (rc < 0) {
ipc_client_log(client,
"Sending XMM626 HSIC port config failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC port config");
p = (unsigned char *) modem_image_data + N7100_SEC_START_OFFSET;
rc = xmm626_hsic_sec_start_send(client, modem_boot_fd, (void *) p,
N7100_SEC_START_SIZE);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC SEC start failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC SEC start");
p = (unsigned char *) modem_image_data + N7100_FIRMWARE_OFFSET;
rc = xmm626_hsic_firmware_send(client, modem_boot_fd, (void *) p,
N7100_FIRMWARE_SIZE);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC firmware failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC firmware");
rc = xmm626_hsic_nv_data_send(client, modem_boot_fd);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC nv_data failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC nv_data");
rc = xmm626_hsic_sec_end_send(client, modem_boot_fd);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC SEC end failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC SEC end");
rc = xmm626_hsic_hw_reset_send(client, modem_boot_fd);
if (rc < 0) {
ipc_client_log(client, "Sending XMM626 HSIC HW reset failed");
goto error;
}
ipc_client_log(client, "Sent XMM626 HSIC HW reset");
usleep(300000);
rc = xmm626_kernel_smdk4412_link_get_hostwake_wait(client,
modem_link_fd);
if (rc < 0)
ipc_client_log(client, "Waiting for host wake failed");
rc = xmm626_kernel_smdk4412_link_control_enable(client, modem_link_fd,
0);
if (rc < 0) {
ipc_client_log(client, "Disabling the modem link failed");
goto error;
}
rc = xmm626_kernel_smdk4412_hci_power(client, 0);
if (rc < 0) {
ipc_client_log(client, "Powering off the HCI bus failed");
goto error;
}
rc = xmm626_kernel_smdk4412_link_control_active(client, modem_link_fd,
0);
if (rc < 0) {
ipc_client_log(client, "Deactivating the modem link failed");
goto error;
}
rc = xmm626_kernel_smdk4412_link_get_hostwake_wait(client,
modem_link_fd);
if (rc < 0) {
ipc_client_log(client, "Waiting for host wake failed");
goto error;
}
ipc_client_log(client, "Waited for host wake");
rc = xmm626_kernel_smdk4412_link_control_enable(client, modem_link_fd,
1);
if (rc < 0) {
ipc_client_log(client, "Enabling the modem link failed");
goto error;
}
rc = xmm626_kernel_smdk4412_hci_power(client, 1);
if (rc < 0) {
ipc_client_log(client, "Powering on the HCI bus failed");
goto error;
}
rc = xmm626_kernel_smdk4412_link_control_active(client, modem_link_fd,
1);
if (rc < 0) {
ipc_client_log(client, "Activating the modem link failed");
goto error;
}
rc = xmm626_kernel_smdk4412_link_connected_wait(client, modem_link_fd);
if (rc < 0) {
ipc_client_log(client, "Waiting for link connected failed");
goto error;
}
ipc_client_log(client, "Waited for link connected");
usleep(300000);
rc = 0;
goto complete;
error:
rc = -1;
complete:
if (modem_image_data != NULL)
munmap(modem_image_data, N7100_MODEM_IMAGE_SIZE);
if (modem_image_fd >= 0)
close(modem_image_fd);
if (modem_boot_fd >= 0)
close(modem_boot_fd);
if (modem_link_fd >= 0)
close(modem_link_fd);
return rc;
}
int n7100_open(__attribute__((unused)) struct ipc_client *client, void *data,
int type)
{
struct n7100_transport_data *transport_data;
if (data == NULL)
return -1;
transport_data = (struct n7100_transport_data *) data;
transport_data->fd = xmm626_kernel_smdk4412_open(client, type);
if (transport_data->fd < 0)
return -1;
return 0;
}
int n7100_close(__attribute__((unused)) struct ipc_client *client, void *data)
{
struct n7100_transport_data *transport_data;
if (data == NULL)
return -1;
transport_data = (struct n7100_transport_data *) data;
xmm626_kernel_smdk4412_close(client, transport_data->fd);
transport_data->fd = -1;
return 0;
}
int n7100_read(__attribute__((unused)) struct ipc_client *client, void *data,
void *buffer, size_t length)
{
struct n7100_transport_data *transport_data;
int rc;
if (data == NULL)
return -1;
transport_data = (struct n7100_transport_data *) data;
rc = xmm626_kernel_smdk4412_read(client, transport_data->fd, buffer,
length);
return rc;
}
int n7100_write(__attribute__((unused)) struct ipc_client *client, void *data,
const void *buffer, size_t length)
{
struct n7100_transport_data *transport_data;
int rc;
if (data == NULL)
return -1;
transport_data = (struct n7100_transport_data *) data;
rc = xmm626_kernel_smdk4412_write(client, transport_data->fd, buffer,
length);
return rc;
}
int n7100_poll(__attribute__((unused)) struct ipc_client *client, void *data,
struct ipc_poll_fds *fds, struct timeval *timeout)
{
struct n7100_transport_data *transport_data;
int rc;
if (data == NULL)
return -1;
transport_data = (struct n7100_transport_data *) data;
rc = xmm626_kernel_smdk4412_poll(client, transport_data->fd, fds,
timeout);
return rc;
}
int n7100_power_on(__attribute__((unused)) struct ipc_client *client,
__attribute__((unused)) void *data)
{
return 0;
}
int n7100_power_off(__attribute__((unused)) struct ipc_client *client,
__attribute__((unused)) void *data)
{
int fd;
int rc;
fd = open(XMM626_SEC_MODEM_BOOT0_DEVICE, O_RDWR | O_NOCTTY |
O_NONBLOCK);
if (fd < 0)
return -1;
rc = xmm626_kernel_smdk4412_power(client, fd, 0);
close(fd);
if (rc < 0)
return -1;
return 0;
}
int n7100_gprs_activate(__attribute__((unused)) struct ipc_client *client,
__attribute__((unused)) void *data,
__attribute__((unused)) unsigned int cid)
{
return 0;
}
int n7100_gprs_deactivate(__attribute__((unused)) struct ipc_client *client,
__attribute__((unused)) void *data,
__attribute__((unused)) unsigned int cid)
{
return 0;
}
int n7100_data_create(__attribute__((unused)) struct ipc_client *client,
void **transport_data,
__attribute__((unused)) void **power_data,
__attribute__((unused)) void **gprs_data)
{
if (transport_data == NULL)
return -1;
*transport_data = calloc(1, sizeof(struct n7100_transport_data));
return 0;
}
int n7100_data_destroy(__attribute__((unused)) struct ipc_client *client,
void *transport_data,
__attribute__((unused)) void *power_data,
__attribute__((unused)) void *gprs_data)
{
if (transport_data == NULL)
return -1;
free(transport_data);
return 0;
}
struct ipc_client_ops n7100_fmt_ops = {
.boot = n7100_boot,
.send = xmm626_kernel_smdk4412_fmt_send,
.recv = xmm626_kernel_smdk4412_fmt_recv,
};
struct ipc_client_ops n7100_rfs_ops = {
.boot = NULL,
.send = xmm626_kernel_smdk4412_rfs_send,
.recv = xmm626_kernel_smdk4412_rfs_recv,
};
struct ipc_client_handlers n7100_handlers = {
.read = n7100_read,
.write = n7100_write,
.open = n7100_open,
.close = n7100_close,
.poll = n7100_poll,
.transport_data = NULL,
.power_on = n7100_power_on,
.power_off = n7100_power_off,
.power_data = NULL,
.gprs_activate = n7100_gprs_activate,
.gprs_deactivate = n7100_gprs_deactivate,
.gprs_data = NULL,
.data_create = n7100_data_create,
.data_destroy = n7100_data_destroy,
};
struct ipc_client_gprs_specs n7100_gprs_specs = {
.gprs_get_iface = xmm626_kernel_smdk4412_gprs_get_iface,
.gprs_get_capabilities = xmm626_kernel_smdk4412_gprs_get_capabilities,
};
struct ipc_client_nv_data_specs n7100_nv_data_specs = {
.nv_data_path = XMM626_NV_DATA_PATH,
.nv_data_md5_path = XMM626_NV_DATA_MD5_PATH,
.nv_data_backup_path = XMM626_NV_DATA_BACKUP_PATH,
.nv_data_backup_md5_path = XMM626_NV_DATA_BACKUP_MD5_PATH,
.nv_data_secret = XMM626_NV_DATA_SECRET,
.nv_data_size = XMM626_NV_DATA_SIZE,
.nv_data_chunk_size = XMM626_NV_DATA_CHUNK_SIZE,
};
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