diff options
Diffstat (limited to 'samsung-ipc/device/xmm6260/modemctl_common.c')
| -rw-r--r-- | samsung-ipc/device/xmm6260/modemctl_common.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/samsung-ipc/device/xmm6260/modemctl_common.c b/samsung-ipc/device/xmm6260/modemctl_common.c new file mode 100644 index 0000000..90fd5fe --- /dev/null +++ b/samsung-ipc/device/xmm6260/modemctl_common.c @@ -0,0 +1,116 @@ +/* + * Firmware loader for Samsung I9100 and I9250 + * Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com> + * + * based on the incomplete C++ implementation which is + * Copyright (C) 2012 Sergey Gridasov <grindars@gmail.com> + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ + +//modemctl shared code +#include "modemctl_common.h" + +/* + * modemctl generic functions + */ +int modemctl_link_set_active(fwloader_context *ctx, bool enabled) { + unsigned status = enabled; + int ret; + unsigned long ioctl_code; + + ioctl_code = IOCTL_LINK_CONTROL_ACTIVE; + ret = c_ioctl(ctx->link_fd, ioctl_code, &status); + + if (ret < 0) { + _d("failed to set link active to %d", enabled); + goto fail; + } + + return 0; +fail: + return ret; +} + +int modemctl_link_set_enabled(fwloader_context *ctx, bool enabled) { + unsigned status = enabled; + int ret; + unsigned long ioctl_code; + + ioctl_code = IOCTL_LINK_CONTROL_ENABLE; + ret = c_ioctl(ctx->link_fd, ioctl_code, &status); + + if (ret < 0) { + _d("failed to set link state to %d", enabled); + goto fail; + } + + return 0; +fail: + return ret; +} + +int modemctl_wait_link_ready(fwloader_context *ctx) { + int ret; + + struct timeval tv_start = {}; + struct timeval tv_end = {}; + + gettimeofday(&tv_start, 0);; + + //link wakeup timeout in milliseconds + long diff = 0; + + do { + ret = c_ioctl(ctx->link_fd, IOCTL_LINK_CONNECTED, 0); + if (ret < 0) { + goto fail; + } + + if (ret == 1) { + return 0; + } + + usleep(LINK_POLL_DELAY_US); + gettimeofday(&tv_end, 0);; + + diff = (tv_end.tv_sec - tv_start.tv_sec) * 1000; + diff += (tv_end.tv_usec - tv_start.tv_usec) / 1000; + } while (diff < LINK_TIMEOUT_MS); + + ret = -ETIMEDOUT; + +fail: + return ret; +} + +int modemctl_modem_power(fwloader_context *ctx, bool enabled) { + if (enabled) { + return c_ioctl(ctx->boot_fd, IOCTL_MODEM_ON, 0); + } + else { + return c_ioctl(ctx->boot_fd, IOCTL_MODEM_OFF, 0); + } + return -1; +} + +int modemctl_modem_boot_power(fwloader_context *ctx, bool enabled) { + if (enabled) { + return c_ioctl(ctx->boot_fd, IOCTL_MODEM_BOOT_ON, 0); + } + else { + return c_ioctl(ctx->boot_fd, IOCTL_MODEM_BOOT_OFF, 0); + } + return -1; +} |