--- /dev/null
+/*
+ * User Mode Init manager - For TI shared transport
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <poll.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/utsname.h>
+#include "uim.h"
+#ifdef ANDROID
+#include <private/android_filesystem_config.h>
+#include <cutils/log.h>
+#endif
+
+
+/* Maintains the exit state of UIM*/
+static int exiting;
+
+/* BD address as string and a pointer to array of hex bytes */
+char uim_bd_address[17];
+bdaddr_t *bd_addr;
+
+/* File descriptor for the UART device*/
+int dev_fd;
+
+static inline void cleanup(int failed)
+{
+ /* for future use */
+ (void)failed;
+
+ if (dev_fd == -1)
+ return;
+
+ UIM_DBG("%s", __func__);
+
+ close(dev_fd);
+ dev_fd = -1;
+ /* unused failed for future reference */
+}
+
+/*****************************************************************************/
+#ifdef UIM_DEBUG
+/* Function to Read the firmware version
+ * module into the system. Currently used for
+ * debugging purpose, whenever the baud rate is changed
+ */
+void read_firmware_version()
+{
+ int index = 0;
+ char resp_buffer[20] = { 0 };
+ unsigned char buffer[] = { 0x01, 0x01, 0x10, 0x00 };
+
+ UIM_START_FUNC();
+ UIM_VER(" wrote %d bytes", (int)write(dev_fd, buffer, 4));
+ UIM_VER(" reading %d bytes", (int)read(dev_fd, resp_buffer, 15));
+
+ for (index = 0; index < 15; index++)
+ UIM_VER(" %x ", resp_buffer[index]);
+
+ printf("\n");
+}
+#endif /* UIM_DEBUG */
+
+/*****************************************************************************/
+#ifdef ANDROID /* library for android to do insmod/rmmod */
+
+/* Function to insert the kernel module into the system*/
+static int insmod(const char *filename, const char *args)
+{
+ void *module;
+ unsigned int size;
+ int ret = -1;
+
+ UIM_START_FUNC();
+
+ module = (void *)load_file(filename, &size);
+ if (!module)
+ return ret;
+
+ ret = init_module(module, size, args);
+ free(module);
+
+ return ret;
+}
+
+/* Function to remove the kernel module from the system*/
+static int rmmod(const char *modname)
+{
+ int ret = -1;
+ int maxtry = MAX_TRY;
+
+ UIM_START_FUNC();
+
+ /* Retry MAX_TRY number of times in case of
+ * failure
+ */
+ while (maxtry-- > 0) {
+ ret = delete_module(modname, O_NONBLOCK | O_EXCL);
+ if (ret < 0 && errno == EAGAIN)
+ sleep(1);
+ else
+ break;
+ }
+
+ /* Failed to remove the module
+ */
+ if (ret != 0)
+ UIM_ERR("Unable to unload driver module \"%s\": %s",
+ modname, strerror(errno));
+ return ret;
+}
+#endif /* ANDROID */
+
+/*****************************************************************************/
+/* Function to read the HCI event from the given file descriptor
+ *
+ * This will parse the response received and returns error
+ * if the required response is not received
+ */
+int read_hci_event(int fd, unsigned char *buf, int size)
+{
+ int remain, rd;
+ int count = 0;
+ int reading = 1;
+ int rd_retry_count = 0;
+ struct timespec tm = {0, 50*1000*1000};
+
+ UIM_START_FUNC();
+
+ UIM_VER(" read_hci_event");
+ if (size <= 0)
+ return -1;
+
+ /* The first byte identifies the packet type. For HCI event packets, it
+ * should be 0x04, so we read until we get to the 0x04. */
+ while (reading) {
+ rd = read(fd, buf, 1);
+ if (rd <= 0 && rd_retry_count++ < 4) {
+ nanosleep(&tm, NULL);
+ continue;
+ } else if (rd_retry_count >= 4) {
+ return -1;
+ }
+
+ if (buf[0] == RESP_PREFIX) {
+ break;
+ }
+ }
+ count++;
+
+ /* The next two bytes are the event code and parameter total length. */
+ while (count < 3) {
+ rd = read(fd, buf + count, 3 - count);
+ if (rd <= 0)
+ return -1;
+ count += rd;
+ }
+
+ /* Now we read the parameters. */
+ if (buf[2] < (size - 3))
+ remain = buf[2];
+ else
+ remain = size - 3;
+
+ while ((count - 3) < remain) {
+ rd = read(fd, buf + count, remain - (count - 3));
+ if (rd <= 0)
+ return -1;
+ count += rd;
+ }
+
+ return count;
+}
+
+/* Function to read the Command complete event
+ *
+ * This will read the response for the change speed
+ * command that was sent to configure the UART speed
+ * with the custom baud rate
+ */
+static int read_command_complete(int fd, unsigned short opcode)
+{
+ command_complete_t resp;
+
+ UIM_START_FUNC();
+
+ UIM_VER(" Command complete started");
+ if (read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0) {
+ UIM_ERR(" Invalid response");
+ return -1;
+ }
+
+ /* Response should be an event packet */
+ if (resp.uart_prefix != HCI_EVENT_PKT) {
+ UIM_ERR
+ (" Error in response: not an event packet, but 0x%02x!",
+ resp.uart_prefix);
+ return -1;
+ }
+
+ /* Response should be a command complete event */
+ if (resp.hci_hdr.evt != EVT_CMD_COMPLETE) {
+ /* event must be event-complete */
+ UIM_ERR
+ (" Error in response: not a cmd-complete event,but 0x%02x!",
+ resp.hci_hdr.evt);
+ return -1;
+ }
+
+ if (resp.hci_hdr.plen < 4) {
+ /* plen >= 4 for EVT_CMD_COMPLETE */
+ UIM_ERR(" Error in response: plen is not >= 4, but 0x%02x!",
+ resp.hci_hdr.plen);
+ return -1;
+ }
+
+ if (resp.cmd_complete.opcode != (unsigned short)opcode) {
+ UIM_ERR(" Error in response: opcode is 0x%04x, not 0x%04x!",
+ resp.cmd_complete.opcode, opcode);
+ return -1;
+ }
+
+ UIM_DBG(" Command complete done");
+ return resp.status == 0 ? 0 : -1;
+}
+
+/* Function to set the default baud rate
+ *
+ * The default baud rate of 115200 is set to the UART from the host side
+ * by making a call to this function.This function is also called before
+ * making a call to set the custom baud rate
+ */
+static int set_baud_rate()
+{
+ struct termios ti;
+
+ UIM_START_FUNC();
+
+ tcflush(dev_fd, TCIOFLUSH);
+
+ /* Get the attributes of UART */
+ if (tcgetattr(dev_fd, &ti) < 0) {
+ UIM_ERR(" Can't get port settings");
+ return -1;
+ }
+
+ /* Change the UART attributes before
+ * setting the default baud rate*/
+ cfmakeraw(&ti);
+
+ ti.c_cflag |= 1;
+ ti.c_cflag |= CRTSCTS;
+
+ /* Set the attributes of UART after making
+ * the above changes
+ */
+ tcsetattr(dev_fd, TCSANOW, &ti);
+
+ /* Set the actual default baud rate */
+ cfsetospeed(&ti, B115200);
+ cfsetispeed(&ti, B115200);
+ tcsetattr(dev_fd, TCSANOW, &ti);
+
+ tcflush(dev_fd, TCIOFLUSH);
+ UIM_DBG(" set_baud_rate() done");
+
+ return 0;
+}
+
+/* Function to set the UART custom baud rate.
+ *
+ * The UART baud rate has already been
+ * set to default value 115200 before calling this function.
+ * The baud rate is then changed to custom baud rate by this function*/
+static int set_custom_baud_rate(int cust_baud_rate, unsigned char flow_ctrl)
+{
+ UIM_START_FUNC();
+
+ struct termios ti;
+ struct termios2 ti2;
+
+ /* Get the attributes of UART */
+ if (tcgetattr(dev_fd, &ti) < 0) {
+ UIM_ERR(" Can't get port settings");
+ return -1;
+ }
+
+ UIM_VER(" Changing baud rate to %u, flow control to %u",
+ cust_baud_rate, flow_ctrl);
+
+ /* Flush non-transmitted output data,
+ * non-read input data or both*/
+ tcflush(dev_fd, TCIOFLUSH);
+
+ /*Set the UART flow control */
+ if (flow_ctrl)
+ ti.c_cflag |= CRTSCTS;
+ else
+ ti.c_cflag &= ~CRTSCTS;
+
+ /*
+ * Set the parameters associated with the UART
+ * The change will occur immediately by using TCSANOW
+ */
+ if (tcsetattr(dev_fd, TCSANOW, &ti) < 0) {
+ UIM_ERR(" Can't set port settings");
+ return -1;
+ }
+
+ tcflush(dev_fd, TCIOFLUSH);
+
+ /*Set the actual baud rate */
+ ioctl(dev_fd, TCGETS2, &ti2);
+ ti2.c_cflag &= ~CBAUD;
+ ti2.c_cflag |= BOTHER;
+ ti2.c_ospeed = cust_baud_rate;
+ ioctl(dev_fd, TCSETS2, &ti2);
+
+ UIM_DBG(" set_custom_baud_rate() done");
+ return 0;
+}
+
+/*
+ * Handling the Signals sent from the Kernel Init Manager.
+ * After receiving the indication from rfkill subsystem, configure the
+ * baud rate, flow control and Install the N_TI_WL line discipline
+ */
+int st_uart_config(unsigned char install)
+{
+ int ldisc, len, fd;
+ unsigned char uart_dev_name[32];
+ unsigned char buf[32];
+ unsigned long cust_baud_rate;
+ unsigned int flow_ctrl;
+
+ uim_speed_change_cmd cmd;
+ uim_bdaddr_change_cmd addr_cmd;
+
+ UIM_START_FUNC();
+
+ if (install == '1') {
+ UIM_DBG("install set to 1");
+ memset(buf, 0, 32);
+ fd = open(DEV_NAME_SYSFS, O_RDONLY);
+ if (fd < 0) {
+ UIM_ERR("Can't open %s", DEV_NAME_SYSFS);
+ return -1;
+ }
+ len = read(fd, buf, 32);
+ if (len < 0) {
+ UIM_ERR("read err (%s)", strerror(errno));
+ close(fd);
+ return len;
+ }
+ sscanf((const char*)buf, "%s", uart_dev_name);
+ close(fd);
+
+ memset(buf, 0, 32);
+ fd = open(BAUD_RATE_SYSFS, O_RDONLY);
+ if (fd < 0) {
+ UIM_ERR("Can't open %s", BAUD_RATE_SYSFS);
+ return -1;
+ }
+ len = read(fd, buf, 32);
+ if (len < 0) {
+ UIM_ERR("read err (%s)", strerror(errno));
+ close(fd);
+ return len;
+ }
+ close(fd);
+ sscanf((const char*)buf, "%ld", &cust_baud_rate);
+
+ memset(buf, 0, 32);
+ fd = open(FLOW_CTRL_SYSFS, O_RDONLY);
+ if (fd < 0) {
+ UIM_ERR("Can't open %s", FLOW_CTRL_SYSFS);
+ close(fd);
+ return -1;
+ }
+ len = read(fd, buf, 32);
+ if (len < 0) {
+ UIM_ERR("read err (%s)", strerror(errno));
+ close(fd);
+ return len;
+ }
+ close(fd);
+ sscanf((const char*)buf, "%u", &flow_ctrl);
+
+ if (dev_fd != -1) {
+ UIM_ERR("opening %s, while already open", uart_dev_name);
+ cleanup(-1);
+ }
+
+ dev_fd = open((const char*) uart_dev_name, O_RDWR);
+ if (dev_fd < 0) {
+ UIM_ERR(" Can't open %s", uart_dev_name);
+ return -1;
+ }
+ /*
+ * Set only the default baud rate.
+ * This will set the baud rate to default 115200
+ */
+ if (set_baud_rate() < 0) {
+ UIM_ERR(" set_baudrate() failed");
+ cleanup(-1);
+ return -1;
+ }
+
+ fcntl(dev_fd, F_SETFL,fcntl(dev_fd, F_GETFL) | O_NONBLOCK);
+ /* Set only thecustom baud rate */
+ if (cust_baud_rate != 115200) {
+
+ /* Forming the packet for Change speed command */
+ cmd.uart_prefix = HCI_COMMAND_PKT;
+ cmd.hci_hdr.opcode = HCI_HDR_OPCODE;
+ cmd.hci_hdr.plen = sizeof(unsigned long);
+ cmd.speed = cust_baud_rate;
+
+ /* Writing the change speed command to the UART
+ * This will change the UART speed at the controller
+ * side
+ */
+ UIM_VER(" Setting speed to %ld", cust_baud_rate);
+ len = write(dev_fd, &cmd, sizeof(cmd));
+ if (len < 0) {
+ UIM_ERR(" Failed to write speed-set command");
+ cleanup(-1);
+ return -1;
+ }
+
+ /* Read the response for the Change speed command */
+ if (read_command_complete(dev_fd, HCI_HDR_OPCODE) < 0) {
+ cleanup(-1);
+ return -1;
+ }
+
+ UIM_VER(" Speed changed to %ld", cust_baud_rate);
+
+ /* Set the actual custom baud rate at the host side */
+ if (set_custom_baud_rate(cust_baud_rate, flow_ctrl) < 0) {
+ UIM_ERR(" set_custom_baud_rate() failed");
+ cleanup(-1);
+ return -1;
+ }
+
+ /* Set the uim BD address */
+ if (uim_bd_address[0] != 0) {
+
+ memset(&addr_cmd, 0, sizeof(addr_cmd));
+ /* Forming the packet for change BD address command*/
+ addr_cmd.uart_prefix = HCI_COMMAND_PKT;
+ addr_cmd.hci_hdr.opcode = WRITE_BD_ADDR_OPCODE;
+ addr_cmd.hci_hdr.plen = sizeof(bdaddr_t);
+ memcpy(&addr_cmd.addr, bd_addr, sizeof(bdaddr_t));
+
+ /* Writing the change BD address command to the UART
+ * This will change the change BD address at the controller
+ * side
+ */
+ len = write(dev_fd, &addr_cmd, sizeof(addr_cmd));
+ if (len < 0) {
+ UIM_ERR(" Failed to write BD address command");
+ cleanup(-1);
+ return -1;
+ }
+
+ /* Read the response for the change BD address command */
+ if (read_command_complete(dev_fd, WRITE_BD_ADDR_OPCODE) < 0) {
+ cleanup(-1);
+ return -1;
+ }
+
+ UIM_VER(" BD address changed to %s", uim_bd_address);
+ }
+#ifdef UIM_DEBUG
+ read_firmware_version();
+#endif
+ }
+
+ /* After the UART speed has been changed, the IOCTL is
+ * is called to set the line discipline to N_TI_WL
+ */
+ ldisc = 22;
+ if (ioctl(dev_fd, TIOCSETD, &ldisc) < 0) {
+ UIM_ERR(" Can't set line discipline");
+ cleanup(-1);
+ return -1;
+ }
+ UIM_DBG(" Installed N_TI_WL Line displine");
+ }
+ else {
+ UIM_DBG(" Un-Installed N_TI_WL Line displine");
+ /* UNINSTALL_N_TI_WL - When the Signal is received from KIM */
+ /* closing UART fd */
+ cleanup(0);
+ dev_fd = -1;
+ }
+ return 0;
+}
+
+int remove_modules()
+{
+ int err = 0;
+
+#ifdef ANDROID
+ UIM_VER(" Removing gps_drv ");
+ if (rmmod("gps_drv") != 0) {
+ UIM_ERR(" Error removing gps_drv module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed gps_drv module");
+ }
+
+ UIM_VER(" Removing fm_drv ");
+ if (rmmod("fm_drv") != 0) {
+ UIM_ERR(" Error removing fm_drv module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed fm_drv module");
+ }
+ UIM_DBG(" Removed fm_drv module");
+
+ UIM_VER(" Removing btwilink ");
+ if (rmmod("btwilink") != 0) {
+ UIM_ERR(" Error removing btwilink module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed btwilink module");
+ }
+ UIM_DBG(" Removed btwilink module");
+
+ /*Remove the Shared Transport */
+ UIM_VER(" Removing st_drv ");
+ if (rmmod("st_drv") != 0) {
+ UIM_ERR(" Error removing st_drv module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed st_drv module ");
+ }
+ UIM_DBG(" Removed st_drv module ");
+#else
+ UIM_VER(" Removing btwilink ");
+ if (system("rmmod btwilink") != 0) {
+ UIM_ERR(" Error removing btwilink module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed btwilink module");
+ }
+
+ UIM_VER(" Removing fm_drv ");
+ if (system("rmmod fm_drv") != 0) {
+ UIM_ERR(" Error removing fm_drv module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed fm_drv module ");
+ }
+
+ /*Remove the Shared Transport */
+ UIM_VER(" Removing st_drv ");
+ if (system("rmmod st_drv") != 0) {
+ UIM_ERR(" Error removing st_drv module");
+ err = -1;
+ } else {
+ UIM_DBG(" Removed st_drv module ");
+ }
+#endif
+ return err;
+}
+
+int change_rfkill_perms(void)
+{
+ int fd, id, sz;
+ char path[64];
+ char buf[16];
+ for (id = 0; id < 50; id++) {
+ snprintf(path, sizeof(path), "/sys/class/rfkill/rfkill%d/type", id);
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ UIM_DBG("open(%s) failed: %s (%d)\n", path, strerror(errno), errno);
+ continue;
+ }
+ sz = read(fd, &buf, sizeof(buf));
+ close(fd);
+ if (sz >= 9 && memcmp(buf, "bluetooth", 9) == 0) {
+ UIM_DBG("found bluetooth rfkill entry @ %d\n", id);
+ break;
+ }
+ }
+ if (id == 50) {
+ return -1;
+ }
+#ifdef ANDROID
+ sprintf(path, "/sys/class/rfkill/rfkill%d/state", id);
+ sz = chown(path, AID_BLUETOOTH, AID_BLUETOOTH);
+ if (sz < 0) {
+ UIM_ERR("change mode failed for %s (%d)\n", path, errno);
+ return -1;
+ }
+#endif
+ /*
+ * bluetooth group's user system needs write permission
+ */
+ sz = chmod(path, 0660);
+ if (sz < 0) {
+ UIM_ERR("change mode failed for %s (%d)\n", path, errno);
+ return -1;
+ }
+ UIM_DBG("changed permissions for %s(%d) \n", path, sz);
+ /* end of change_perms */
+
+ return 0;
+}
+
+void *bt_malloc(size_t size)
+{
+ return malloc(size);
+}
+
+/* Function to convert the BD address from ascii to hex value */
+bdaddr_t *strtoba(const char *str)
+{
+ const char *ptr = str;
+ int i;
+
+ uint8_t *ba = bt_malloc(sizeof(bdaddr_t));
+ if (!ba)
+ return NULL;
+
+ for (i = 0; i < 6; i++) {
+ ba[i] = (uint8_t) strtol(ptr, NULL, 16);
+ if (i != 5 && !(ptr = strchr(ptr, ':')))
+ ptr = ":00:00:00:00:00";
+ ptr++;
+ }
+
+ return (bdaddr_t *) ba;
+}
+
+/*****************************************************************************/
+int main(int argc, char *argv[])
+{
+ int st_fd,err;
+ struct stat file_stat;
+#ifndef ANDROID /* used on ubuntu */
+ char *tist_ko_path;
+ struct utsname name;
+#endif
+ struct pollfd p;
+ unsigned char install;
+
+ UIM_START_FUNC();
+ err = 0;
+
+ /* Parse the user input */
+ if (argc == 2) {
+ memset(&uim_bd_address, 0, sizeof(uim_bd_address));
+ /* BD address passed as string in xx:xx:xx:xx:xx:xx format */
+ strcpy(uim_bd_address, argv[1]);
+ bd_addr = strtoba(uim_bd_address);
+ } else if (argc != 1) {
+ UIM_ERR(" Invalid arguements");
+ UIM_ERR(" Usage: uim <bd address>");
+ return -1;
+ }
+
+#ifndef ANDROID
+ if (uname (&name) == -1) {
+ UIM_ERR("cannot get kernel release name");
+ return -1;
+ }
+#else /* if ANDROID */
+
+ if (0 == lstat("/st_drv.ko", &file_stat)) {
+ if (insmod("/st_drv.ko", "") < 0) {
+ UIM_ERR(" Error inserting st_drv module");
+ return -1;
+ } else {
+ UIM_DBG(" Inserted st_drv module");
+ }
+ } else {
+ if (0 == lstat(INSTALL_SYSFS_ENTRY, &file_stat)) {
+ UIM_DBG("ST built into the kernel ?");
+ } else {
+ UIM_ERR("BT/FM/GPS would be unavailable on system");
+ return -1;
+ }
+ }
+
+ if (0 == lstat("/btwilink.ko", &file_stat)) {
+ if (insmod("/btwilink.ko", "") < 0) {
+ UIM_ERR(" Error inserting btwilink module, NO BT? ");
+ } else {
+ UIM_DBG(" Inserted btwilink module");
+ }
+ } else {
+ UIM_DBG("BT driver module un-available... ");
+ UIM_DBG("BT driver built into the kernel ?");
+ }
+
+ if (0 == lstat("/fm_drv.ko", &file_stat)) {
+ if (insmod("/fm_drv.ko", "") < 0) {
+ UIM_ERR(" Error inserting fm_drv module, NO FM? ");
+ } else {
+ UIM_DBG(" Inserted fm_drv module");
+ }
+ } else {
+ UIM_DBG("FM driver module un-available... ");
+ UIM_DBG("FM driver built into the kernel ?");
+ }
+
+ if (0 == lstat("/gps_drv.ko", &file_stat)) {
+ if (insmod("/gps_drv.ko", "") < 0) {
+ UIM_ERR(" Error inserting gps_drv module, NO GPS? ");
+ } else {
+ UIM_DBG(" Inserted gps_drv module");
+ }
+ } else {
+ UIM_DBG("GPS driver module un-available... ");
+ UIM_DBG("GPS driver built into the kernel ?");
+ }
+
+ if (0 == lstat("/fm_v4l2_drv.ko", &file_stat)) {
+ if (insmod("/fm_v4l2_drv.ko", "") < 0) {
+ UIM_ERR(" Error inserting fm_v4l2_drv module, NO FM? ");
+ } else {
+ UIM_DBG(" Inserted fm_v4l2_drv module");
+ }
+ } else {
+ UIM_DBG("FM V4L2 driver module un-available... ");
+ UIM_DBG("FM V4L2 driver built into the kernel ?");
+ }
+ /* Change the permissions for v4l2 Fm device node */
+ if ((0 == lstat("/dev/radio0", &file_stat)) && chmod("/dev/radio0", 0666) < 0) {
+ UIM_ERR("unable to chmod /dev/radio0, might not exist");
+ }
+ if ((0 == lstat("/dev/tifm", &file_stat)) && chmod("/dev/tifm", 0666) < 0) {
+ UIM_ERR("unable to chmod /dev/tifm, might not exist");
+ }
+ /* change rfkill perms after insertion of BT driver which asks
+ * the Bluetooth sub-system to create the rfkill device of type
+ * "bluetooth"
+ */
+ if (change_rfkill_perms() < 0) {
+ /* possible error condition */
+ UIM_ERR("rfkill not enabled in st_drv - BT on from UI might fail\n");
+ }
+
+#endif /* ANDROID */
+ /* rfkill device's open/poll/read */
+ st_fd = open(INSTALL_SYSFS_ENTRY, O_RDONLY);
+ if (st_fd < 0) {
+ UIM_DBG("unable to open %s (%s)", INSTALL_SYSFS_ENTRY,
+ strerror(errno));
+ remove_modules();
+ return -1;
+ }
+
+RE_POLL:
+ err = read(st_fd, &install, 1);
+ if ((err > 0) && (install == '1')) {
+ UIM_DBG("install already set");
+ st_uart_config(install);
+ }
+
+ memset(&p, 0, sizeof(p));
+ p.fd = st_fd;
+ /* sysfs entries can only break poll for following events */
+ p.events = POLLERR | POLLHUP;
+
+ while (!exiting) {
+ p.revents = 0;
+ err = poll(&p, 1, -1);
+ if (err < 0 && errno == EINTR)
+ continue;
+ if (err)
+ break;
+ }
+
+ close(st_fd);
+ st_fd = open(INSTALL_SYSFS_ENTRY, O_RDONLY);
+ if (st_fd < 0) {
+ UIM_ERR("re-opening %s failed: %s", INSTALL_SYSFS_ENTRY,
+ strerror(errno));
+ return -1;
+ }
+
+ if (!exiting)
+ {
+ err = read(st_fd, &install, 1);
+ if (err <= 0) {
+ UIM_ERR("reading %s failed: %s", INSTALL_SYSFS_ENTRY,
+ strerror(errno));
+ goto RE_POLL;
+ }
+ st_uart_config(install);
+ goto RE_POLL;
+ }
+
+ if(remove_modules() < 0) {
+ UIM_ERR(" Error removing modules ");
+ close(st_fd);
+ return -1;
+ }
+
+ close(st_fd);
+ return 0;
+}
--- /dev/null
+/*
+ * User Mode Init manager - For shared transport
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef UIM_H
+#define UIM_H
+
+/* Paramaters to set the baud rate*/
+#define FLOW_CTL 0x0001
+#define BOTHER 0x00001000
+#define ARM_NCCS 19
+
+#define TCGETS2 _IOR('T',0x2A, struct termios2)
+#define TCSETS2 _IOW('T',0x2B, struct termios2)
+
+/*HCI Command and Event information*/
+#define HCI_HDR_OPCODE 0xff36
+#define WRITE_BD_ADDR_OPCODE 0xFC06
+#define RESP_PREFIX 0x04
+#define MAX_TRY 10
+
+/* HCI Packet types */
+#define HCI_COMMAND_PKT 0x01
+#define HCI_EVENT_PKT 0x04
+
+/* HCI command macros*/
+#define HCI_EVENT_HDR_SIZE 2
+#define HCI_COMMAND_HDR_SIZE 3
+#define UIM_WRITE_BD_ADDR_CP_SIZE 6
+
+
+/* HCI event macros*/
+#define EVT_CMD_COMPLETE_SIZE 3
+#define EVT_CMD_STATUS_SIZE 4
+#define EVT_CMD_COMPLETE 0x0E
+#define EVT_CMD_STATUS 0x0F
+
+
+#define VERBOSE
+#ifdef ANDROID
+#define LOG_TAG "uim-sysfs"
+#define UIM_ERR(fmt, arg...) ALOGE("uim:"fmt"\n" , ##arg)
+#if defined(UIM_DEBUG) /* limited debug messages */
+#define UIM_START_FUNC() ALOGE("uim: Inside %s", __FUNCTION__)
+#define UIM_DBG(fmt, arg...) ALOGE("uim:"fmt"\n" , ## arg)
+#define UIM_VER(fmt, arg...)
+#elif defined(VERBOSE) /* very verbose */
+#define UIM_START_FUNC() ALOGE("uim: Inside %s", __FUNCTION__)
+#define UIM_DBG(fmt, arg...) ALOGE("uim:"fmt"\n" , ## arg)
+#define UIM_VER(fmt, arg...) ALOGE("uim:"fmt"\n" , ## arg)
+#else /* error msgs only */
+#define UIM_START_FUNC()
+#define UIM_DBG(fmt, arg...)
+#define UIM_VER(fmt, arg...)
+#endif
+#else
+#define UIM_START_FUNC()
+#define UIM_DBG(fmt, arg...)
+#define UIM_VER(fmt, arg...)
+#define UIM_ERR(fmt, arg...)
+#endif /* ANDROID */
+
+/*Termios2 structure for setting the Custom baud rate*/
+struct termios2 {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[ARM_NCCS]; /* control characters */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
+/* HCI command header*/
+typedef struct {
+ uint16_t opcode; /* OCF & OGF */
+ uint8_t plen;
+} __attribute__ ((packed)) hci_command_hdr;
+
+/* HCI event header*/
+typedef struct {
+ uint8_t evt;
+ uint8_t plen;
+} __attribute__ ((packed)) hci_event_hdr;
+
+/* HCI command complete event*/
+typedef struct {
+ uint8_t ncmd;
+ uint16_t opcode;
+} __attribute__ ((packed)) evt_cmd_complete;
+
+/* HCI event status*/
+typedef struct {
+ uint8_t status;
+ uint8_t ncmd;
+ uint16_t opcode;
+} __attribute__ ((packed)) evt_cmd_status;
+
+/* HCI Event structure to set the cusrom baud rate*/
+typedef struct {
+ uint8_t uart_prefix;
+ hci_event_hdr hci_hdr;
+ evt_cmd_complete cmd_complete;
+ uint8_t status;
+ uint8_t data[16];
+} __attribute__ ((packed)) command_complete_t;
+
+/* HCI Command structure to set the cusrom baud rate*/
+typedef struct {
+ uint8_t uart_prefix;
+ hci_command_hdr hci_hdr;
+ uint32_t speed;
+} __attribute__ ((packed)) uim_speed_change_cmd;
+
+/* BD address structure to set the uim BD address*/
+typedef struct {
+ unsigned char b[6];
+} __attribute__((packed)) bdaddr_t;
+
+/* HCI Command structure to set the uim BD address*/
+typedef struct {
+ uint8_t uart_prefix;
+ hci_command_hdr hci_hdr;
+ bdaddr_t addr;
+} __attribute__ ((packed)) uim_bdaddr_change_cmd;
+
+#define INSTALL_SYSFS_ENTRY "/sys/devices/platform/kim/install"
+#define DEV_NAME_SYSFS "/sys/devices/platform/kim/dev_name"
+#define BAUD_RATE_SYSFS "/sys/devices/platform/kim/baud_rate"
+#define FLOW_CTRL_SYSFS "/sys/devices/platform/kim/flow_cntrl"
+
+/* Functions to insert and remove the kernel modules from the system*/
+extern int init_module(void *, unsigned int, const char *);
+extern int delete_module(const char *, unsigned int);
+extern int load_file(const char *, unsigned int *);
+
+#endif /* UIM_H */
projects / platform / upstream / uim.git / commitdiff