Add generic device

Signed-off-by: Simon Shields <simon@lineageos.org>
GNUtoo@cyberdimension.org: [rebase, fixes and cleanups]
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

7 files changed, 708 insertions, 254 deletions

diff --git a/Android.mk b/Android.mk
index c0a5d35..3b08853 100644
--- a/Android.mk
+++ b/Android.mk
@@ -70,6 +70,7 @@ libsamsung_ipc_local_src_files := \
 	samsung-ipc/devices/aries/aries.c \
 	samsung-ipc/devices/crespo/crespo.c \
 	samsung-ipc/devices/galaxys2/galaxys2.c \
+	samsung-ipc/devices/generic/generic.c \
 	samsung-ipc/devices/herolte/herolte.c \
 	samsung-ipc/devices/i9300/i9300.c \
 	samsung-ipc/devices/maguro/maguro.c \
diff --git a/samsung-ipc/devices/Makefile.am b/samsung-ipc/devices/Makefile.am
index 8257be3..ad3c7ba 100644
--- a/samsung-ipc/devices/Makefile.am
+++ b/samsung-ipc/devices/Makefile.am
@@ -22,4 +22,6 @@ libsamsung_ipc_la_SOURCES += \
 	devices/n5100/n5100.h \
 	devices/herolte/herolte.c \
 	devices/herolte/herolte.h \
+	devices/generic/generic.c \
+	devices/generic/generic.h \
 	$(NULL)
diff --git a/samsung-ipc/devices/generic/generic.c b/samsung-ipc/devices/generic/generic.c
new file mode 100644
index 0000000..dd1466c
--- /dev/null
+++ b/samsung-ipc/devices/generic/generic.c
@@ -0,0 +1,665 @@
+/*
+ * This file is part of libsamsung-ipc.
+ *
+ * Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com>
+ * 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/>.
+ */
+#define _GNU_SOURCE         /* See feature_test_macros(7) */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <samsung-ipc.h>
+#include <ipc.h>
+
+#include "modems/xmm626/xmm626.h"
+#include "modems/xmm626/xmm626_hsic.h"
+#include "modems/xmm626/xmm626_kernel_smdk4412.h"
+#include "partitions/android/android.h"
+
+#include "generic.h"
+
+int xmm626_kernel_linux_modem_power(__attribute__((unused)) int device_fd,
+				    int power)
+{
+	int rc;
+
+	rc = sysfs_value_write(XMM626_KERNEL_LINUX_POWER_PATH, !!power);
+	if (rc == -1)
+		return rc;
+
+	return 0;
+}
+
+int xmm626_kernel_linux_modem_hci_power(int power)
+{
+	int ehci_rc, ohci_rc = -1;
+
+	if (!!power) {
+		ohci_rc = sysfs_value_write(
+			XMM626_KERNEL_LINUX_PDA_ACTIVE_SYSFS, 1);
+		if (sysfs_value_read(XMM626_KERNEL_LINUX_HOSTWAKE_PATH)) {
+			ohci_rc |= sysfs_value_write(
+				XMM626_KERNEL_LINUX_SLAVEWAKE_SYSFS, 0);
+			usleep(10000);
+			ohci_rc |= sysfs_value_write(
+				XMM626_KERNEL_LINUX_SLAVEWAKE_SYSFS, 1);
+		}
+		ehci_rc = sysfs_value_write(
+			XMM626_KERNEL_LINUX_EHCI_POWER_SYSFS, !!power);
+		if (ehci_rc >= 0)
+			usleep(50000);
+
+		ohci_rc |= sysfs_value_write(
+			XMM626_KERNEL_LINUX_LINK_ACTIVE_PATH, 1);
+	} else {
+		ehci_rc = sysfs_value_write(
+			XMM626_KERNEL_LINUX_EHCI_POWER_SYSFS, !!power);
+		if (ehci_rc >= 0)
+			usleep(50000);
+
+		ohci_rc = sysfs_value_write(
+			XMM626_KERNEL_LINUX_LINK_ACTIVE_PATH, 0);
+	}
+
+	if (ohci_rc < 0) {
+		printf("ohci_rc < 0\n");
+	}
+	if (ehci_rc < 0 && ohci_rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int xmm626_kernel_linux_modem_link_control_enable(
+	__attribute__((unused)) int device_fd, int enable)
+{
+	if (enable) {
+	}
+	return 0;
+}
+
+int xmm626_kernel_linux_modem_link_control_active(
+	__attribute__((unused)) int device_fd, int active)
+{
+	int rc;
+
+	rc = sysfs_value_write(XMM626_KERNEL_LINUX_LINK_ACTIVE_PATH, !!active);
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int xmm626_kernel_linux_modem_link_connected_wait(
+	__attribute__((unused)) int device_fd)
+{
+	int i;
+
+	i = 0;
+	for (i = 0; i < 10; i++) {
+
+		usleep(50000);
+	}
+
+	return 0;
+}
+
+int xmm626_kernel_linux_modem_link_get_hostwake_wait(
+	__attribute__((unused)) int device_fd)
+{
+	int i;
+
+	i = 0;
+	for (i = 0; i < 10; i++) {
+		/* TODO: read host wake GPIOs */
+		usleep(500000);
+	}
+
+	return 0;
+}
+
+int xmm626_kernel_linux_modem_open(int type)
+{
+	int fd = -2;
+	int i = 0;
+	int err = 0;
+
+	printf("ENTER %s\n", __func__);
+	while (fd < 0 && i < 30) {
+		i++;
+		usleep(30000);
+		printf("%s: type: %d\n", __func__, type);
+		switch (type) {
+		case IPC_CLIENT_TYPE_FMT:
+			err = 0;
+			fd = open(XMM626_KERNEL_LINUX_IPC0_DEVICE,
+				  O_RDWR | O_NOCTTY | O_NONBLOCK);
+			if (fd < 0) {
+				err = errno;
+				printf("%s: open(%s, "
+				       "O_RDWR | O_NOCTTY | O_NONBLOCK) => "
+				       "%d errno: %d\n",
+				       __func__,
+				       XMM626_KERNEL_LINUX_IPC0_DEVICE, fd,
+				       err);
+			}
+
+			break;
+		case IPC_CLIENT_TYPE_RFS:
+			err = 0;
+			fd = open(XMM626_KERNEL_LINUX_RFS0_DEVICE,
+				  O_RDWR | O_NOCTTY | O_NONBLOCK);
+			if (fd < 0) {
+				err  = errno;
+				printf("%s: open(%s, "
+				       "O_RDWR | O_NOCTTY | O_NONBLOCK) => "
+				       "%d errno: %d\n",
+				       __func__,
+				       XMM626_KERNEL_LINUX_RFS0_DEVICE,
+				       fd, err);
+			}
+			break;
+		default:
+			printf("%s: unknown type\n", __func__);
+			return -1;
+		}
+	}
+
+	return fd;
+}
+
+int xmm626_kernel_linux_modem_read(int fd, void *buffer, size_t length)
+{
+	int rc;
+
+	if (fd < 0 || buffer == NULL || length <= 0)
+		return -1;
+
+	rc = read(fd, buffer, length);
+
+	return rc;
+}
+
+int xmm626_kernel_linux_modem_write(int fd, const void *buffer, size_t length)
+{
+	int rc;
+
+	if (fd < 0 || buffer == NULL || length <= 0)
+		return -1;
+
+	rc = write(fd, buffer, length);
+
+	return rc;
+}
+
+char *xmm626_kernel_linux_modem_gprs_get_iface(unsigned int cid)
+{
+	char *iface = NULL;
+
+	if (cid > XMM626_SEC_MODEM_GPRS_IFACE_COUNT)
+		return NULL;
+
+	asprintf(&iface, "%s%d", XMM626_SEC_MODEM_GPRS_IFACE_PREFIX, cid - 1);
+
+	return iface;
+}
+
+int generic_gprs_get_capabilities(
+	__attribute__((unused)) struct ipc_client *client,
+	struct ipc_client_gprs_capabilities *capabilities)
+{
+	if (capabilities == NULL)
+		return -1;
+
+	capabilities->cid_count = XMM626_SEC_MODEM_GPRS_IFACE_COUNT;
+
+	return 0;
+}
+
+int generic_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;
+	char *path;
+	int rc;
+	int unused = 0;
+
+	if (client == NULL)
+		return -1;
+
+	ipc_client_log(client, "Starting generic modem boot");
+
+	modem_image_fd = open_android_modem_partition_by_name(client, "RADIO",
+							      &path);
+	if (modem_image_fd == -1) {
+		rc = errno;
+		ipc_client_log(client,
+			       "%s: open_android_modem_partition_by_name: "
+			       "failed to open %s with error %d: %s",
+			       __func__, path, rc, strerror(rc));
+		goto error;
+	}
+
+	modem_image_data = mmap(0, GENERIC_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");
+
+	rc = xmm626_kernel_linux_modem_power(unused, 0);
+	if (rc < 0) {
+		ipc_client_log(client,
+			       "xmm626_kernel_linux_modem_power: "
+			       "Turning the modem off failed with error %d",
+			       rc);
+		goto error;
+	}
+	rc = xmm626_kernel_linux_modem_hci_power(0);
+	if (rc < 0) {
+		ipc_client_log(client,
+			       "xmm626_kernel_linux_modem_hci_power: "
+			       "Turning the modem off failed");
+		goto error;
+	}
+	ipc_client_log(client, "Turned the modem off");
+
+	rc = xmm626_kernel_linux_modem_power(unused, 1);
+	printf("%s: xmm626_kernel_linux_modem_power(NULL, 1) = %d\n",
+	       __func__, rc);
+	if (rc < 0) {
+		ipc_client_log(client,
+			       "xmm626_kernel_linux_modem_power "
+			       "failed with error %d",
+			       rc);
+	}
+
+	rc = xmm626_kernel_linux_modem_hci_power(1);
+	printf("%s: xmm626_kernel_linux_modem_hci_power(1) = %d\n",
+	       __func__, rc);
+	if (rc < 0) {
+		ipc_client_log(client,
+			       "xmm626_kernel_linux_modem_hci_power on failed");
+		goto error;
+	}
+	ipc_client_log(client, "Turned the modem on");
+
+	system("lsusb");
+
+	rc = 0;
+	do {
+		modem_boot_fd = open(XMM626_KERNEL_LINUX_BOOT0_DEVICE,
+				     O_RDWR | O_NOCTTY | O_NONBLOCK);
+		if (modem_boot_fd >= 0) {
+			break;
+		}
+		usleep(5000);
+		rc++;
+	} while (rc < 10000);
+	if (modem_boot_fd < 0) {
+		ipc_client_log(client, "Failed to open boot device");
+		goto error;
+	}
+	ipc_client_log(client, "Opened modem boot device");
+	system("lsusb");
+
+	p = (unsigned char *) modem_image_data + GENERIC_PSI_OFFSET;
+
+	rc = xmm626_hsic_psi_send(client, modem_boot_fd, (void *) p,
+				  GENERIC_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 + GENERIC_EBL_OFFSET;
+
+	rc = xmm626_hsic_ebl_send(client, modem_boot_fd, (void *) p,
+				  GENERIC_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");
+	system("lsusb");
+
+	p = (unsigned char *) modem_image_data + GENERIC_SEC_START_OFFSET;
+
+	rc = xmm626_hsic_sec_start_send(client, modem_boot_fd, (void *) p,
+					GENERIC_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 + GENERIC_FIRMWARE_OFFSET;
+
+	rc = xmm626_hsic_firmware_send(client, modem_boot_fd, (void *) p,
+				       GENERIC_FIRMWARE_SIZE);
+	if (rc < 0) {
+		ipc_client_log(client, "Sending XMM626 HSIC firmware failed");
+		goto error;
+	}
+	ipc_client_log(client, "Sent XMM626 HSIC firmware");
+	system("lsusb");
+
+	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");
+	system("lsusb");
+
+	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");
+	system("lsusb");
+
+	usleep(300000);
+
+	rc = xmm626_kernel_linux_modem_link_get_hostwake_wait(modem_link_fd);
+	if (rc < 0) {
+		ipc_client_log(client, "Waiting for host wake failed");
+	}
+	ipc_client_log(client, "Waited for host wake");
+	system("lsusb");
+
+	rc = xmm626_kernel_linux_modem_hci_power(0);
+
+	if (rc < 0) {
+		ipc_client_log(client, "Turning the modem off failed");
+		goto error;
+	}
+	ipc_client_log(client, "Turned off the modem");
+	system("lsusb");
+
+	rc = xmm626_kernel_linux_modem_link_get_hostwake_wait(modem_link_fd);
+	if (rc < 0) {
+		ipc_client_log(client, "Waiting for host wake failed");
+	}
+	ipc_client_log(client, "Waited for host wake");
+	system("lsusb");
+
+	rc = xmm626_kernel_linux_modem_hci_power(1);
+	if (rc < 0) {
+		ipc_client_log(client, "Turning the modem on failed");
+		goto error;
+	}
+	ipc_client_log(client, "Turned the modem on");
+	system("lsusb");
+	ipc_client_log(client, "Wait for the modem to come up again",
+		       __func__);
+	sleep(10);
+
+	system("lsusb");
+
+	ipc_client_log(client, "%s complete", __func__);
+	sleep(7);
+
+	rc = 0;
+	goto complete;
+
+error:
+	rc = -1;
+
+complete:
+	if (modem_image_data != NULL)
+		munmap(modem_image_data, GENERIC_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 generic_open(__attribute__((unused)) struct ipc_client *client, void *data,
+		 int type)
+{
+	struct generic_transport_data *transport_data;
+
+	if (data == NULL)
+		return -1;
+
+	transport_data = (struct generic_transport_data *) data;
+
+	transport_data->fd = xmm626_kernel_linux_modem_open(type);
+	if (transport_data->fd < 0)
+		return -1;
+
+	return 0;
+}
+
+int generic_close(__attribute__((unused)) struct ipc_client *client, void *data)
+{
+	struct generic_transport_data *transport_data;
+
+	if (data == NULL)
+		return -1;
+
+	transport_data = (struct generic_transport_data *) data;
+
+	xmm626_kernel_smdk4412_close(client, transport_data->fd);
+	transport_data->fd = -1;
+
+	return 0;
+}
+
+int generic_read(__attribute__((unused)) struct ipc_client *client,
+		 void *data, void *buffer, size_t length)
+{
+	struct generic_transport_data *transport_data;
+	int rc;
+
+	if (data == NULL)
+		return -1;
+
+	transport_data = (struct generic_transport_data *) data;
+
+	rc = xmm626_kernel_linux_modem_read(transport_data->fd, buffer, length);
+
+	return rc;
+}
+
+int generic_write(__attribute__((unused)) struct ipc_client *client,
+		  void *data, const void *buffer, size_t length)
+{
+	struct generic_transport_data *transport_data;
+	int rc;
+
+	if (data == NULL)
+		return -1;
+
+	transport_data = (struct generic_transport_data *) data;
+
+	rc = xmm626_kernel_linux_modem_write(transport_data->fd,
+					     buffer, length);
+
+	return rc;
+}
+
+int generic_poll(__attribute__((unused)) struct ipc_client *client,
+		 void *data, __attribute__((unused)) struct ipc_poll_fds *fds,
+		 __attribute__((unused)) struct timeval *timeout)
+{
+	struct generic_transport_data *transport_data;
+	int rc;
+	struct pollfd fd;
+
+	if (data == NULL)
+		return -1;
+
+	transport_data = (struct generic_transport_data *) data;
+
+	fd.fd = transport_data->fd;
+	fd.events = POLLRDNORM | POLLIN;
+
+	rc = poll(&fd, 1, -1);
+
+	return rc - 1;
+}
+
+int generic_power_on(__attribute__((unused)) struct ipc_client *client,
+		     __attribute__((unused)) void *data)
+{
+	return 0;
+}
+
+int generic_power_off(__attribute__((unused)) struct ipc_client *client,
+		      __attribute__((unused)) void *data)
+{
+	int fd;
+	int rc;
+
+	fd = open(XMM626_KERNEL_LINUX_BOOT0_DEVICE,
+		  O_RDWR | O_NOCTTY | O_NONBLOCK);
+	if (fd < 0)
+		return -1;
+
+	rc = xmm626_kernel_linux_modem_power(fd, 0);
+
+	close(fd);
+
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int generic_gprs_activate(__attribute__((unused)) struct ipc_client *client,
+			  __attribute__((unused)) void *data,
+			  __attribute__((unused)) unsigned int cid)
+{
+	return 0;
+}
+
+int generic_gprs_deactivate(__attribute__((unused)) struct ipc_client *client,
+			    __attribute__((unused)) void *data,
+			    __attribute__((unused)) unsigned int cid)
+{
+	return 0;
+}
+
+int generic_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 generic_transport_data));
+
+	return 0;
+}
+
+int generic_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 generic_fmt_ops = {
+	.boot = generic_boot,
+	.send = xmm626_kernel_smdk4412_fmt_send,
+	.recv = xmm626_kernel_smdk4412_fmt_recv,
+};
+
+struct ipc_client_ops generic_rfs_ops = {
+	.boot = NULL,
+	.send = xmm626_kernel_smdk4412_rfs_send,
+	.recv = xmm626_kernel_smdk4412_rfs_recv,
+};
+
+struct ipc_client_handlers generic_handlers = {
+	.read = generic_read,
+	.write = generic_write,
+	.open = generic_open,
+	.close = generic_close,
+	.poll = generic_poll,
+	.transport_data = NULL,
+	.power_on = generic_power_on,
+	.power_off = generic_power_off,
+	.power_data = NULL,
+	.gprs_activate = generic_gprs_activate,
+	.gprs_deactivate = generic_gprs_deactivate,
+	.gprs_data = NULL,
+	.data_create = generic_data_create,
+	.data_destroy = generic_data_destroy,
+};
+
+struct ipc_client_gprs_specs generic_gprs_specs = {
+	.gprs_get_iface = xmm626_kernel_smdk4412_gprs_get_iface,
+	.gprs_get_capabilities = generic_gprs_get_capabilities,
+};
+
+struct ipc_client_nv_data_specs generic_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,
+};
+
+// vim:ts=4:sw=4:expandtab
diff --git a/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.h b/samsung-ipc/devices/generic/generic.h
index 2b1d189..02412e6 100644
--- a/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.h
+++ b/samsung-ipc/devices/generic/generic.h
@@ -17,13 +17,25 @@
  * along with libsamsung-ipc.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef __XMM626_KERNEL_LINUX_H__
-#define __XMM626_KERNEL_LINUX_H__
+#ifndef __GENERIC_H__
+#define __GENERIC_H__
 
-#define XMM626_KERNEL_LINUX_BOOT0_DEVICE	"/dev/xmm6262_boot0"
+#define GENERIC_MODEM_IMAGE_SIZE		0x1000000
+#define GENERIC_PSI_OFFSET			0x0001000
+#define GENERIC_PSI_SIZE			0x000E000
+#define GENERIC_EBL_OFFSET			0x000F000
+#define GENERIC_EBL_SIZE			0x0019000
+#define GENERIC_SEC_START_OFFSET		0x09FF800
+#define GENERIC_SEC_START_SIZE			0x0000800
+#define GENERIC_FIRMWARE_OFFSET		0x0028000
+#define GENERIC_FIRMWARE_SIZE			0x09D7800
+#define GENERIC_NV_DATA_OFFSET			0x0A00000
+#define GENERIC_NV_DATA_SIZE			0x0200000
+
+#define XMM626_KERNEL_LINUX_BOOT0_DEVICE			"/dev/xmm6262_boot0"
 #define XMM626_KERNEL_LINUX_BOOT1_DEVICE	"/dev/umts_boot1"
-#define XMM626_KERNEL_LINUX_IPC0_DEVICE		"/dev/umts_ipc"
-#define XMM626_KERNEL_LINUX_RFS0_DEVICE		"/dev/umts_rfs"
+#define XMM626_KERNEL_LINUX_IPC0_DEVICE	"/dev/umts_ipc"
+#define XMM626_KERNEL_LINUX_RFS0_DEVICE	"/dev/umts_rfs"
 #define XMM626_KERNEL_LINUX_LINK_PM_DEVICE	"/dev/link_pm"
 #define XMM626_KERNEL_LINUX_EHCI_POWER_SYSFS	"/sys/devices/platform/soc/12580000.ehci/ehci_power"
 #define XMM626_KERNEL_LINUX_HOSTWAKE_PATH	"/sys/devices/platform/xmm6262/hostwake"
@@ -33,8 +45,18 @@
 #define XMM626_KERNEL_LINUX_SLAVEWAKE_SYSFS	"/sys/devices/platform/xmm6262/slavewake"
 //#define XMM626_KERNEL_LINUX_OHCI_POWER_SYSFS	"/sys/devices/platform/s5p-ohci/ohci_power"
 
+
+struct generic_transport_data {
+    int fd;
+};
+
+extern struct ipc_client_ops generic_fmt_ops;
+extern struct ipc_client_ops generic_rfs_ops;
+extern struct ipc_client_handlers generic_handlers;
+extern struct ipc_client_gprs_specs generic_gprs_specs;
+extern struct ipc_client_nv_data_specs generic_nv_data_specs;
+
 int xmm626_kernel_linux_modem_power(__attribute__((unused)) int device_fd, int power);
-int xmm626_kernel_linux_modem_boot_power(int device_fd, int power);
 int xmm626_kernel_linux_modem_hci_power(int power);
 int xmm626_kernel_linux_modem_link_connected_wait(__attribute__((unused)) int device_fd);
 int xmm626_kernel_linux_modem_open(int type);
@@ -42,6 +64,6 @@ int xmm626_kernel_linux_modem_read(int fd, void *buffer, size_t length);
 int xmm626_kernel_linux_modem_write(int fd, const void *buffer, size_t length);
 int xmm626_kernel_linux_modem_gprs_get_capabilities(struct ipc_client_gprs_capabilities *capabilities);
 
-#endif /* __XMM626_KERNEL_LINUX_H__ */
+#endif /* __GENERIC_H__ */
 
 // vim:ts=4:sw=4:expandtab
diff --git a/samsung-ipc/devices/ipc_devices.c b/samsung-ipc/devices/ipc_devices.c
index a0fe955..f30cc84 100644
--- a/samsung-ipc/devices/ipc_devices.c
+++ b/samsung-ipc/devices/ipc_devices.c
@@ -164,6 +164,16 @@ struct ipc_device_desc ipc_devices[] = {
 		.gprs_specs = &herolte_gprs_specs,
 		.nv_data_specs = &herolte_nv_data_specs,
 	},
+	{
+		.name = NULL,
+		.board_name = "samsung exynos (flattened device tree)",
+		.kernel_version = NULL,
+		.fmt_ops = &generic_fmt_ops,
+		.rfs_ops = &generic_rfs_ops,
+		.handlers = &generic_handlers,
+		.gprs_specs = &generic_gprs_specs,
+		.nv_data_specs = &generic_nv_data_specs,
+	},
 };
 
 unsigned int ipc_devices_count = sizeof(ipc_devices) /
diff --git a/samsung-ipc/devices/ipc_devices.h b/samsung-ipc/devices/ipc_devices.h
index 8160ee1..1226774 100644
--- a/samsung-ipc/devices/ipc_devices.h
+++ b/samsung-ipc/devices/ipc_devices.h
@@ -23,6 +23,7 @@
 #include "devices/aries/aries.h"
 #include "devices/crespo/crespo.h"
 #include "devices/galaxys2/galaxys2.h"
+#include "devices/generic/generic.h"
 #include "devices/herolte/herolte.h"
 #include "devices/i9300/i9300.h"
 #include "devices/maguro/maguro.h"
diff --git a/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c b/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c
deleted file mode 100644
index 57032e1..0000000
--- a/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * This file is part of libsamsung-ipc.
- *
- * Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com>
- * 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/>.
- */
-
-#define _GNU_SOURCE
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-
-#include <samsung-ipc.h>
-#include <ipc.h>
-
-#include <modem.h>
-#include <modem_prj.h>
-#include <modem_link_device_hsic.h>
-
-#include <xmm626.h>
-#include <xmm626_kernel_linux.h>
-#include <xmm626_sec_modem.h>
-
-int xmm626_kernel_linux_modem_power(__attribute__((unused)) int device_fd, int power)
-{
-    int rc;
-
-    rc = sysfs_value_write(XMM626_KERNEL_LINUX_POWER_PATH, !!power);
-    if (rc < 0)
-        return -99;
-
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_boot_power(int device_fd, int power)
-{
-    int rc;
-
-    if (device_fd < 0)
-        return -1;
-
-    rc = sysfs_value_write(XMM626_KERNEL_LINUX_POWER_PATH, !!power);
-    if (rc < 0)
-        return -1;
-
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_hci_power(int power)
-{
-    int ehci_rc, ohci_rc = -1;
-
-    
-    /*ohci_rc = sysfs_value_write(XMM626_KERNEL_LINUX_OHCI_POWER_SYSFS, !!power);
-    if (ohci_rc >= 0)
-        usleep(50000);
-*/
-
-    if (!!power) {
-	ohci_rc = sysfs_value_write(XMM626_KERNEL_LINUX_PDA_ACTIVE_SYSFS, 1);
-	if (sysfs_value_read(XMM626_KERNEL_LINUX_HOSTWAKE_PATH)) {
-		ohci_rc |= sysfs_value_write(XMM626_KERNEL_LINUX_SLAVEWAKE_SYSFS, 0);
-		usleep(10000);
-		ohci_rc |= sysfs_value_write(XMM626_KERNEL_LINUX_SLAVEWAKE_SYSFS, 1);
-	}
-	ehci_rc = sysfs_value_write(XMM626_KERNEL_LINUX_EHCI_POWER_SYSFS, !!power);
-	if (ehci_rc >= 0)
-		usleep(50000);
-
-	ohci_rc |= sysfs_value_write(XMM626_KERNEL_LINUX_LINK_ACTIVE_PATH, 1);
-    } else {
-	    ehci_rc = sysfs_value_write(XMM626_KERNEL_LINUX_EHCI_POWER_SYSFS, !!power);
-	if (ehci_rc >= 0)
-		usleep(50000);
-
-	//ohci_rc = sysfs_value_write(XMM626_KERNEL_LINUX_PDA_ACTIVE_SYSFS, 0);
-	ohci_rc = sysfs_value_write(XMM626_KERNEL_LINUX_LINK_ACTIVE_PATH, 0);
-    }
-
-
-    if (ohci_rc < 0) {
-	printf("ohci_rc < 0\n");
-    }
-    if (ehci_rc < 0 && ohci_rc < 0)
-        return -1;
-
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_link_control_enable(__attribute__((unused)) int device_fd,
-					 int enable)
-{
-	if (enable) {
-	}
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_link_control_active(__attribute__((unused)) int device_fd,
-					 int active)
-{
-    int rc;
-
-    rc = sysfs_value_write(XMM626_KERNEL_LINUX_LINK_ACTIVE_PATH, !!active);
-    if (rc < 0)
-        return -1;
-
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_link_connected_wait(__attribute__((unused)) int device_fd)
-{
-    int i;
-
-    i = 0;
-    for (i = 0; i < 10; i++) {
-
-        usleep(50000);
-    }
-
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_link_get_hostwake_wait(
-	__attribute__((unused)) int device_fd)
-{
-    int status;
-    int i;
-
-    i = 0;
-    for (i = 0; i < 10; i++) {
-        /* !gpio_get_value (hostwake) */
-//        status = sysfs_value_read(XMM626_KERNEL_LINUX_HOSTWAKE_PATH);
-	printf("%s: i=%d read(%s) => status: %d\n", __FUNCTION__, i, XMM626_KERNEL_LINUX_HOSTWAKE_PATH, status);
-//        if (status == 0) /* invert: return true when hostwake is low */
- //           return 0;
-
-        usleep(500000);
-    }
-
-    return 0;
-}
-
-int xmm626_kernel_linux_modem_open(int type)
-{
-    int fd = -2;
-    int i = 0;
-    int err = 0;
-
-    printf("ENTER %s\n", __FUNCTION__);
-    while (fd < 0 && i < 30) {
-	    i++;
-	    usleep(30000);
-	    printf("%s: type: %d\n", __FUNCTION__, type);
-	    switch (type) {
-		case IPC_CLIENT_TYPE_FMT:
-		    err = 0;
-		    fd = open(XMM626_KERNEL_LINUX_IPC0_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK);
-		    if (fd < 0) {
-		      err = errno;
-		      printf("%s: open(%s, O_RDWR | O_NOCTTY | O_NONBLOCK) => %d errno: %d\n",
-				      __FUNCTION__, XMM626_KERNEL_LINUX_IPC0_DEVICE, fd, err);
-		    }
-
-		    break;
-		case IPC_CLIENT_TYPE_RFS:
-		    err = 0;
-		    fd = open(XMM626_KERNEL_LINUX_RFS0_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK);
-		    if (fd < 0) {
-			    err  = errno;
-		            printf("%s: open(%s, O_RDWR | O_NOCTTY | O_NONBLOCK) => %d errno: %d\n", 
-					    __FUNCTION__, XMM626_KERNEL_LINUX_RFS0_DEVICE, fd, err);
-		    }
-		    break;
-		default:
-		    printf("%s: unknown type\n", __FUNCTION__);
-		    return -1;
-	    }
-    }
-
-    return fd;
-}
-
-int xmm626_kernel_linux_modem_read(int fd, void *buffer, size_t length)
-{
-    int rc;
-
-    if (fd < 0 || buffer == NULL || length <= 0)
-        return -1;
-
-    rc = read(fd, buffer, length);
-
-    return rc;
-}
-
-int xmm626_kernel_linux_modem_write(int fd, const void *buffer, size_t length)
-{
-    int rc;
-
-    if (fd < 0 || buffer == NULL || length <= 0)
-        return -1;
-
-    rc = write(fd, buffer, length);
-
-    return rc;
-}
-
-char *xmm626_kernel_linux_modem_gprs_get_iface(unsigned int cid)
-{
-    char *iface = NULL;
-
-    if (cid > XMM626_SEC_MODEM_GPRS_IFACE_COUNT)
-        return NULL;
-
-    asprintf(&iface, "%s%d", XMM626_SEC_MODEM_GPRS_IFACE_PREFIX, cid - 1);
-
-    return iface;
-}
-
-int xmm626_kernel_linux_modem_gprs_get_capabilities(struct ipc_client_gprs_capabilities *capabilities)
-{
-    if (capabilities == NULL)
-        return -1;
-
-    capabilities->cid_count = XMM626_SEC_MODEM_GPRS_IFACE_COUNT;
-
-    return 0;
-}
-
-// vim:ts=4:sw=4:expandtab