diff options
Diffstat (limited to 'samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c')
-rw-r--r-- | samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c b/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c new file mode 100644 index 0000000..57032e1 --- /dev/null +++ b/samsung-ipc/modems/xmm626/kernel/linux/xmm626_kernel_linux.c @@ -0,0 +1,247 @@ +/* + * 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 |