#include <linux/serial_reg.h>
#include <asm/io.h> /* For read[bwl]/write[bwl] */
+#include <linux/string.h>
+#include <linux/device.h>
+#include <linux/kdev_t.h>
+
#include "dgap_driver.h"
#include "dgap_pci.h"
#include "dgap_fep5.h"
return 0;
}
+
+static ssize_t dgap_driver_version_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", DG_PART);
+}
+static DRIVER_ATTR(version, S_IRUSR, dgap_driver_version_show, NULL);
+
+
+static ssize_t dgap_driver_boards_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", dgap_NumBoards);
+}
+static DRIVER_ATTR(boards, S_IRUSR, dgap_driver_boards_show, NULL);
+
+
+static ssize_t dgap_driver_maxboards_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", MAXBOARDS);
+}
+static DRIVER_ATTR(maxboards, S_IRUSR, dgap_driver_maxboards_show, NULL);
+
+
+static ssize_t dgap_driver_pollcounter_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%ld\n", dgap_poll_counter);
+}
+static DRIVER_ATTR(pollcounter, S_IRUSR, dgap_driver_pollcounter_show, NULL);
+
+
+static ssize_t dgap_driver_state_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", dgap_driver_state_text[dgap_driver_state]);
+}
+static DRIVER_ATTR(state, S_IRUSR, dgap_driver_state_show, NULL);
+
+
+static ssize_t dgap_driver_debug_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", dgap_debug);
+}
+
+static ssize_t dgap_driver_debug_store(struct device_driver *ddp, const char *buf, size_t count)
+{
+ sscanf(buf, "0x%x\n", &dgap_debug);
+ return count;
+}
+static DRIVER_ATTR(debug, (S_IRUSR | S_IWUSR), dgap_driver_debug_show, dgap_driver_debug_store);
+
+
+static ssize_t dgap_driver_rawreadok_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%x\n", dgap_rawreadok);
+}
+
+static ssize_t dgap_driver_rawreadok_store(struct device_driver *ddp, const char *buf, size_t count)
+{
+ sscanf(buf, "0x%x\n", &dgap_rawreadok);
+ return count;
+}
+static DRIVER_ATTR(rawreadok, (S_IRUSR | S_IWUSR), dgap_driver_rawreadok_show, dgap_driver_rawreadok_store);
+
+
+static ssize_t dgap_driver_pollrate_show(struct device_driver *ddp, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%dms\n", dgap_poll_tick);
+}
+
+static ssize_t dgap_driver_pollrate_store(struct device_driver *ddp, const char *buf, size_t count)
+{
+ sscanf(buf, "%d\n", &dgap_poll_tick);
+ return count;
+}
+static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgap_driver_pollrate_show, dgap_driver_pollrate_store);
+
+
+void dgap_create_driver_sysfiles(struct pci_driver *dgap_driver)
+{
+ int rc = 0;
+ struct device_driver *driverfs = &dgap_driver->driver;
+
+ rc |= driver_create_file(driverfs, &driver_attr_version);
+ rc |= driver_create_file(driverfs, &driver_attr_boards);
+ rc |= driver_create_file(driverfs, &driver_attr_maxboards);
+ rc |= driver_create_file(driverfs, &driver_attr_debug);
+ rc |= driver_create_file(driverfs, &driver_attr_rawreadok);
+ rc |= driver_create_file(driverfs, &driver_attr_pollrate);
+ rc |= driver_create_file(driverfs, &driver_attr_pollcounter);
+ rc |= driver_create_file(driverfs, &driver_attr_state);
+ if (rc) {
+ printk(KERN_ERR "DGAP: sysfs driver_create_file failed!\n");
+ }
+}
+
+
+void dgap_remove_driver_sysfiles(struct pci_driver *dgap_driver)
+{
+ struct device_driver *driverfs = &dgap_driver->driver;
+ driver_remove_file(driverfs, &driver_attr_version);
+ driver_remove_file(driverfs, &driver_attr_boards);
+ driver_remove_file(driverfs, &driver_attr_maxboards);
+ driver_remove_file(driverfs, &driver_attr_debug);
+ driver_remove_file(driverfs, &driver_attr_rawreadok);
+ driver_remove_file(driverfs, &driver_attr_pollrate);
+ driver_remove_file(driverfs, &driver_attr_pollcounter);
+ driver_remove_file(driverfs, &driver_attr_state);
+}
+
+
+#define DGAP_VERIFY_BOARD(p, bd) \
+ if (!p) \
+ return (0); \
+ \
+ bd = dev_get_drvdata(p); \
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC) \
+ return (0); \
+ if (bd->state != BOARD_READY) \
+ return (0); \
+
+
+static ssize_t dgap_ports_state_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "%d %s\n", bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_open_count ? "Open" : "Closed");
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_state, S_IRUSR, dgap_ports_state_show, NULL);
+
+
+static ssize_t dgap_ports_baud_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "%d %d\n", bd->channels[i]->ch_portnum, bd->channels[i]->ch_baud_info);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_baud, S_IRUSR, dgap_ports_baud_show, NULL);
+
+
+static ssize_t dgap_ports_msignals_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ if (bd->channels[i]->ch_open_count) {
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "%d %s %s %s %s %s %s\n", bd->channels[i]->ch_portnum,
+ (bd->channels[i]->ch_mostat & UART_MCR_RTS) ? "RTS" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_CTS) ? "CTS" : "",
+ (bd->channels[i]->ch_mostat & UART_MCR_DTR) ? "DTR" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_DSR) ? "DSR" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_DCD) ? "DCD" : "",
+ (bd->channels[i]->ch_mistat & UART_MSR_RI) ? "RI" : "");
+ } else {
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "%d\n", bd->channels[i]->ch_portnum);
+ }
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_msignals, S_IRUSR, dgap_ports_msignals_show, NULL);
+
+
+static ssize_t dgap_ports_iflag_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_iflag);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_iflag, S_IRUSR, dgap_ports_iflag_show, NULL);
+
+
+static ssize_t dgap_ports_cflag_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_cflag);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_cflag, S_IRUSR, dgap_ports_cflag_show, NULL);
+
+
+static ssize_t dgap_ports_oflag_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_oflag);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_oflag, S_IRUSR, dgap_ports_oflag_show, NULL);
+
+
+static ssize_t dgap_ports_lflag_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_lflag);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_lflag, S_IRUSR, dgap_ports_lflag_show, NULL);
+
+
+static ssize_t dgap_ports_digi_flag_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_digi.digi_flags);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_digi_flag, S_IRUSR, dgap_ports_digi_flag_show, NULL);
+
+
+static ssize_t dgap_ports_rxcount_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_rxcount);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_rxcount, S_IRUSR, dgap_ports_rxcount_show, NULL);
+
+
+static ssize_t dgap_ports_txcount_show(struct device *p, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ int count = 0;
+ int i = 0;
+
+ DGAP_VERIFY_BOARD(p, bd);
+
+ for (i = 0; i < bd->nasync; i++) {
+ count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n",
+ bd->channels[i]->ch_portnum, bd->channels[i]->ch_txcount);
+ }
+ return count;
+}
+static DEVICE_ATTR(ports_txcount, S_IRUSR, dgap_ports_txcount_show, NULL);
+
+
+/* this function creates the sys files that will export each signal status
+ * to sysfs each value will be put in a separate filename
+ */
+void dgap_create_ports_sysfiles(struct board_t *bd)
+{
+ int rc = 0;
+
+ dev_set_drvdata(&bd->pdev->dev, bd);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_state);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_baud);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_cflag);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_oflag);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_lflag);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_rxcount);
+ rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_txcount);
+ if (rc) {
+ printk(KERN_ERR "DGAP: sysfs device_create_file failed!\n");
+ }
+}
+
+
+/* removes all the sys files created for that port */
+void dgap_remove_ports_sysfiles(struct board_t *bd)
+{
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_state);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_baud);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_cflag);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_oflag);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_lflag);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_rxcount);
+ device_remove_file(&(bd->pdev->dev), &dev_attr_ports_txcount);
+}
+
+
+static ssize_t dgap_tty_state_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%s", un->un_open_count ? "Open" : "Closed");
+}
+static DEVICE_ATTR(state, S_IRUSR, dgap_tty_state_show, NULL);
+
+
+static ssize_t dgap_tty_baud_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", ch->ch_baud_info);
+}
+static DEVICE_ATTR(baud, S_IRUSR, dgap_tty_baud_show, NULL);
+
+
+static ssize_t dgap_tty_msignals_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ if (ch->ch_open_count) {
+ return snprintf(buf, PAGE_SIZE, "%s %s %s %s %s %s\n",
+ (ch->ch_mostat & UART_MCR_RTS) ? "RTS" : "",
+ (ch->ch_mistat & UART_MSR_CTS) ? "CTS" : "",
+ (ch->ch_mostat & UART_MCR_DTR) ? "DTR" : "",
+ (ch->ch_mistat & UART_MSR_DSR) ? "DSR" : "",
+ (ch->ch_mistat & UART_MSR_DCD) ? "DCD" : "",
+ (ch->ch_mistat & UART_MSR_RI) ? "RI" : "");
+ }
+ return 0;
+}
+static DEVICE_ATTR(msignals, S_IRUSR, dgap_tty_msignals_show, NULL);
+
+
+static ssize_t dgap_tty_iflag_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_iflag);
+}
+static DEVICE_ATTR(iflag, S_IRUSR, dgap_tty_iflag_show, NULL);
+
+
+static ssize_t dgap_tty_cflag_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_cflag);
+}
+static DEVICE_ATTR(cflag, S_IRUSR, dgap_tty_cflag_show, NULL);
+
+
+static ssize_t dgap_tty_oflag_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_oflag);
+}
+static DEVICE_ATTR(oflag, S_IRUSR, dgap_tty_oflag_show, NULL);
+
+
+static ssize_t dgap_tty_lflag_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_lflag);
+}
+static DEVICE_ATTR(lflag, S_IRUSR, dgap_tty_lflag_show, NULL);
+
+
+static ssize_t dgap_tty_digi_flag_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_digi.digi_flags);
+}
+static DEVICE_ATTR(digi_flag, S_IRUSR, dgap_tty_digi_flag_show, NULL);
+
+
+static ssize_t dgap_tty_rxcount_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_rxcount);
+}
+static DEVICE_ATTR(rxcount, S_IRUSR, dgap_tty_rxcount_show, NULL);
+
+
+static ssize_t dgap_tty_txcount_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_txcount);
+}
+static DEVICE_ATTR(txcount, S_IRUSR, dgap_tty_txcount_show, NULL);
+
+
+static ssize_t dgap_tty_name_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct board_t *bd;
+ struct channel_t *ch;
+ struct un_t *un;
+ int cn;
+ int bn;
+ struct cnode *cptr = NULL;
+ int found = FALSE;
+ int ncount = 0;
+ int starto = 0;
+ int i = 0;
+
+ if (!d)
+ return (0);
+ un = dev_get_drvdata(d);
+ if (!un || un->magic != DGAP_UNIT_MAGIC)
+ return (0);
+ ch = un->un_ch;
+ if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
+ return (0);
+ bd = ch->ch_bd;
+ if (!bd || bd->magic != DGAP_BOARD_MAGIC)
+ return (0);
+ if (bd->state != BOARD_READY)
+ return (0);
+
+ bn = bd->boardnum;
+ cn = ch->ch_portnum;
+
+ for (cptr = bd->bd_config; cptr; cptr = cptr->next) {
+
+ if ((cptr->type == BNODE) &&
+ ((cptr->u.board.type == APORT2_920P) || (cptr->u.board.type == APORT4_920P) ||
+ (cptr->u.board.type == APORT8_920P) || (cptr->u.board.type == PAPORT4) ||
+ (cptr->u.board.type == PAPORT8))) {
+
+ found = TRUE;
+ if (cptr->u.board.v_start)
+ starto = cptr->u.board.start;
+ else
+ starto = 1;
+ }
+
+ if (cptr->type == TNODE && found == TRUE) {
+ char *ptr1;
+ if (strstr(cptr->u.ttyname, "tty")) {
+ ptr1 = cptr->u.ttyname;
+ ptr1 += 3;
+ }
+ else {
+ ptr1 = cptr->u.ttyname;
+ }
+
+ for (i = 0; i < dgap_config_get_number_of_ports(bd); i++) {
+ if (cn == i) {
+ return snprintf(buf, PAGE_SIZE, "%s%s%02d\n",
+ (un->un_type == DGAP_PRINT) ? "pr" : "tty",
+ ptr1, i + starto);
+ }
+ }
+ }
+
+ if (cptr->type == CNODE) {
+
+ for (i = 0; i < cptr->u.conc.nport; i++) {
+ if (cn == (i + ncount)) {
+
+ return snprintf(buf, PAGE_SIZE, "%s%s%02d\n",
+ (un->un_type == DGAP_PRINT) ? "pr" : "tty",
+ cptr->u.conc.id,
+ i + (cptr->u.conc.v_start ? cptr->u.conc.start : 1));
+ }
+ }
+
+ ncount += cptr->u.conc.nport;
+ }
+
+ if (cptr->type == MNODE) {
+
+ for (i = 0; i < cptr->u.module.nport; i++) {
+ if (cn == (i + ncount)) {
+ return snprintf(buf, PAGE_SIZE, "%s%s%02d\n",
+ (un->un_type == DGAP_PRINT) ? "pr" : "tty",
+ cptr->u.module.id,
+ i + (cptr->u.module.v_start ? cptr->u.module.start : 1));
+ }
+ }
+
+ ncount += cptr->u.module.nport;
+
+ }
+ }
+
+ return snprintf(buf, PAGE_SIZE, "%s_dgap_%d_%d\n",
+ (un->un_type == DGAP_PRINT) ? "pr" : "tty", bn, cn);
+
+}
+static DEVICE_ATTR(custom_name, S_IRUSR, dgap_tty_name_show, NULL);
+
+
+static struct attribute *dgap_sysfs_tty_entries[] = {
+ &dev_attr_state.attr,
+ &dev_attr_baud.attr,
+ &dev_attr_msignals.attr,
+ &dev_attr_iflag.attr,
+ &dev_attr_cflag.attr,
+ &dev_attr_oflag.attr,
+ &dev_attr_lflag.attr,
+ &dev_attr_digi_flag.attr,
+ &dev_attr_rxcount.attr,
+ &dev_attr_txcount.attr,
+ &dev_attr_custom_name.attr,
+ NULL
+};
+
+
+static struct attribute_group dgap_tty_attribute_group = {
+ .name = NULL,
+ .attrs = dgap_sysfs_tty_entries,
+};
+
+
+
+
+void dgap_create_tty_sysfs(struct un_t *un, struct device *c)
+{
+ int ret;
+
+ ret = sysfs_create_group(&c->kobj, &dgap_tty_attribute_group);
+ if (ret) {
+ printk(KERN_ERR "dgap: failed to create sysfs tty device attributes.\n");
+ sysfs_remove_group(&c->kobj, &dgap_tty_attribute_group);
+ return;
+ }
+
+ dev_set_drvdata(c, un);
+
+}
+
+
+void dgap_remove_tty_sysfs(struct device *c)
+{
+ sysfs_remove_group(&c->kobj, &dgap_tty_attribute_group);
+}
+++ /dev/null
-/*
- * Copyright 2004 Digi International (www.digi.com)
- * Scott H Kilau <Scott_Kilau at digi dot 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 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- * NOTE TO LINUX KERNEL HACKERS: DO NOT REFORMAT THIS CODE!
- *
- * This is shared code between Digi's CVS archive and the
- * Linux Kernel sources.
- * Changing the source just for reformatting needlessly breaks
- * our CVS diff history.
- *
- * Send any bug fixes/changes to: Eng.Linux at digi dot com.
- * Thank you.
- *
- *
- *
- */
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/serial_reg.h>
-#include <linux/device.h>
-#include <linux/pci.h>
-#include <linux/kdev_t.h>
-
-#include "dgap_driver.h"
-#include "dgap_conf.h"
-#include "dgap_parse.h"
-
-
-static ssize_t dgap_driver_version_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%s\n", DG_PART);
-}
-static DRIVER_ATTR(version, S_IRUSR, dgap_driver_version_show, NULL);
-
-
-static ssize_t dgap_driver_boards_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", dgap_NumBoards);
-}
-static DRIVER_ATTR(boards, S_IRUSR, dgap_driver_boards_show, NULL);
-
-
-static ssize_t dgap_driver_maxboards_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", MAXBOARDS);
-}
-static DRIVER_ATTR(maxboards, S_IRUSR, dgap_driver_maxboards_show, NULL);
-
-
-static ssize_t dgap_driver_pollcounter_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%ld\n", dgap_poll_counter);
-}
-static DRIVER_ATTR(pollcounter, S_IRUSR, dgap_driver_pollcounter_show, NULL);
-
-
-static ssize_t dgap_driver_state_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%s\n", dgap_driver_state_text[dgap_driver_state]);
-}
-static DRIVER_ATTR(state, S_IRUSR, dgap_driver_state_show, NULL);
-
-
-static ssize_t dgap_driver_debug_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "0x%x\n", dgap_debug);
-}
-
-static ssize_t dgap_driver_debug_store(struct device_driver *ddp, const char *buf, size_t count)
-{
- sscanf(buf, "0x%x\n", &dgap_debug);
- return count;
-}
-static DRIVER_ATTR(debug, (S_IRUSR | S_IWUSR), dgap_driver_debug_show, dgap_driver_debug_store);
-
-
-static ssize_t dgap_driver_rawreadok_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "0x%x\n", dgap_rawreadok);
-}
-
-static ssize_t dgap_driver_rawreadok_store(struct device_driver *ddp, const char *buf, size_t count)
-{
- sscanf(buf, "0x%x\n", &dgap_rawreadok);
- return count;
-}
-static DRIVER_ATTR(rawreadok, (S_IRUSR | S_IWUSR), dgap_driver_rawreadok_show, dgap_driver_rawreadok_store);
-
-
-static ssize_t dgap_driver_pollrate_show(struct device_driver *ddp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%dms\n", dgap_poll_tick);
-}
-
-static ssize_t dgap_driver_pollrate_store(struct device_driver *ddp, const char *buf, size_t count)
-{
- sscanf(buf, "%d\n", &dgap_poll_tick);
- return count;
-}
-static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgap_driver_pollrate_show, dgap_driver_pollrate_store);
-
-
-void dgap_create_driver_sysfiles(struct pci_driver *dgap_driver)
-{
- int rc = 0;
- struct device_driver *driverfs = &dgap_driver->driver;
-
- rc |= driver_create_file(driverfs, &driver_attr_version);
- rc |= driver_create_file(driverfs, &driver_attr_boards);
- rc |= driver_create_file(driverfs, &driver_attr_maxboards);
- rc |= driver_create_file(driverfs, &driver_attr_debug);
- rc |= driver_create_file(driverfs, &driver_attr_rawreadok);
- rc |= driver_create_file(driverfs, &driver_attr_pollrate);
- rc |= driver_create_file(driverfs, &driver_attr_pollcounter);
- rc |= driver_create_file(driverfs, &driver_attr_state);
- if (rc) {
- printk(KERN_ERR "DGAP: sysfs driver_create_file failed!\n");
- }
-}
-
-
-void dgap_remove_driver_sysfiles(struct pci_driver *dgap_driver)
-{
- struct device_driver *driverfs = &dgap_driver->driver;
- driver_remove_file(driverfs, &driver_attr_version);
- driver_remove_file(driverfs, &driver_attr_boards);
- driver_remove_file(driverfs, &driver_attr_maxboards);
- driver_remove_file(driverfs, &driver_attr_debug);
- driver_remove_file(driverfs, &driver_attr_rawreadok);
- driver_remove_file(driverfs, &driver_attr_pollrate);
- driver_remove_file(driverfs, &driver_attr_pollcounter);
- driver_remove_file(driverfs, &driver_attr_state);
-}
-
-
-#define DGAP_VERIFY_BOARD(p, bd) \
- if (!p) \
- return (0); \
- \
- bd = dev_get_drvdata(p); \
- if (!bd || bd->magic != DGAP_BOARD_MAGIC) \
- return (0); \
- if (bd->state != BOARD_READY) \
- return (0); \
-
-
-static ssize_t dgap_ports_state_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count,
- "%d %s\n", bd->channels[i]->ch_portnum,
- bd->channels[i]->ch_open_count ? "Open" : "Closed");
- }
- return count;
-}
-static DEVICE_ATTR(ports_state, S_IRUSR, dgap_ports_state_show, NULL);
-
-
-static ssize_t dgap_ports_baud_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count,
- "%d %d\n", bd->channels[i]->ch_portnum, bd->channels[i]->ch_baud_info);
- }
- return count;
-}
-static DEVICE_ATTR(ports_baud, S_IRUSR, dgap_ports_baud_show, NULL);
-
-
-static ssize_t dgap_ports_msignals_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- if (bd->channels[i]->ch_open_count) {
- count += snprintf(buf + count, PAGE_SIZE - count,
- "%d %s %s %s %s %s %s\n", bd->channels[i]->ch_portnum,
- (bd->channels[i]->ch_mostat & UART_MCR_RTS) ? "RTS" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_CTS) ? "CTS" : "",
- (bd->channels[i]->ch_mostat & UART_MCR_DTR) ? "DTR" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_DSR) ? "DSR" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_DCD) ? "DCD" : "",
- (bd->channels[i]->ch_mistat & UART_MSR_RI) ? "RI" : "");
- } else {
- count += snprintf(buf + count, PAGE_SIZE - count,
- "%d\n", bd->channels[i]->ch_portnum);
- }
- }
- return count;
-}
-static DEVICE_ATTR(ports_msignals, S_IRUSR, dgap_ports_msignals_show, NULL);
-
-
-static ssize_t dgap_ports_iflag_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_iflag);
- }
- return count;
-}
-static DEVICE_ATTR(ports_iflag, S_IRUSR, dgap_ports_iflag_show, NULL);
-
-
-static ssize_t dgap_ports_cflag_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_cflag);
- }
- return count;
-}
-static DEVICE_ATTR(ports_cflag, S_IRUSR, dgap_ports_cflag_show, NULL);
-
-
-static ssize_t dgap_ports_oflag_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_oflag);
- }
- return count;
-}
-static DEVICE_ATTR(ports_oflag, S_IRUSR, dgap_ports_oflag_show, NULL);
-
-
-static ssize_t dgap_ports_lflag_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_lflag);
- }
- return count;
-}
-static DEVICE_ATTR(ports_lflag, S_IRUSR, dgap_ports_lflag_show, NULL);
-
-
-static ssize_t dgap_ports_digi_flag_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_digi.digi_flags);
- }
- return count;
-}
-static DEVICE_ATTR(ports_digi_flag, S_IRUSR, dgap_ports_digi_flag_show, NULL);
-
-
-static ssize_t dgap_ports_rxcount_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_rxcount);
- }
- return count;
-}
-static DEVICE_ATTR(ports_rxcount, S_IRUSR, dgap_ports_rxcount_show, NULL);
-
-
-static ssize_t dgap_ports_txcount_show(struct device *p, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- int count = 0;
- int i = 0;
-
- DGAP_VERIFY_BOARD(p, bd);
-
- for (i = 0; i < bd->nasync; i++) {
- count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_txcount);
- }
- return count;
-}
-static DEVICE_ATTR(ports_txcount, S_IRUSR, dgap_ports_txcount_show, NULL);
-
-
-/* this function creates the sys files that will export each signal status
- * to sysfs each value will be put in a separate filename
- */
-void dgap_create_ports_sysfiles(struct board_t *bd)
-{
- int rc = 0;
-
- dev_set_drvdata(&bd->pdev->dev, bd);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_state);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_baud);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_cflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_oflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_lflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_rxcount);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_txcount);
- if (rc) {
- printk(KERN_ERR "DGAP: sysfs device_create_file failed!\n");
- }
-}
-
-
-/* removes all the sys files created for that port */
-void dgap_remove_ports_sysfiles(struct board_t *bd)
-{
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_state);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_baud);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_cflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_oflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_lflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_rxcount);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_txcount);
-}
-
-
-static ssize_t dgap_tty_state_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%s", un->un_open_count ? "Open" : "Closed");
-}
-static DEVICE_ATTR(state, S_IRUSR, dgap_tty_state_show, NULL);
-
-
-static ssize_t dgap_tty_baud_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ch->ch_baud_info);
-}
-static DEVICE_ATTR(baud, S_IRUSR, dgap_tty_baud_show, NULL);
-
-
-static ssize_t dgap_tty_msignals_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- if (ch->ch_open_count) {
- return snprintf(buf, PAGE_SIZE, "%s %s %s %s %s %s\n",
- (ch->ch_mostat & UART_MCR_RTS) ? "RTS" : "",
- (ch->ch_mistat & UART_MSR_CTS) ? "CTS" : "",
- (ch->ch_mostat & UART_MCR_DTR) ? "DTR" : "",
- (ch->ch_mistat & UART_MSR_DSR) ? "DSR" : "",
- (ch->ch_mistat & UART_MSR_DCD) ? "DCD" : "",
- (ch->ch_mistat & UART_MSR_RI) ? "RI" : "");
- }
- return 0;
-}
-static DEVICE_ATTR(msignals, S_IRUSR, dgap_tty_msignals_show, NULL);
-
-
-static ssize_t dgap_tty_iflag_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_iflag);
-}
-static DEVICE_ATTR(iflag, S_IRUSR, dgap_tty_iflag_show, NULL);
-
-
-static ssize_t dgap_tty_cflag_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_cflag);
-}
-static DEVICE_ATTR(cflag, S_IRUSR, dgap_tty_cflag_show, NULL);
-
-
-static ssize_t dgap_tty_oflag_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_oflag);
-}
-static DEVICE_ATTR(oflag, S_IRUSR, dgap_tty_oflag_show, NULL);
-
-
-static ssize_t dgap_tty_lflag_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_c_lflag);
-}
-static DEVICE_ATTR(lflag, S_IRUSR, dgap_tty_lflag_show, NULL);
-
-
-static ssize_t dgap_tty_digi_flag_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%x\n", ch->ch_digi.digi_flags);
-}
-static DEVICE_ATTR(digi_flag, S_IRUSR, dgap_tty_digi_flag_show, NULL);
-
-
-static ssize_t dgap_tty_rxcount_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_rxcount);
-}
-static DEVICE_ATTR(rxcount, S_IRUSR, dgap_tty_rxcount_show, NULL);
-
-
-static ssize_t dgap_tty_txcount_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- return snprintf(buf, PAGE_SIZE, "%ld\n", ch->ch_txcount);
-}
-static DEVICE_ATTR(txcount, S_IRUSR, dgap_tty_txcount_show, NULL);
-
-
-static ssize_t dgap_tty_name_show(struct device *d, struct device_attribute *attr, char *buf)
-{
- struct board_t *bd;
- struct channel_t *ch;
- struct un_t *un;
- int cn;
- int bn;
- struct cnode *cptr = NULL;
- int found = FALSE;
- int ncount = 0;
- int starto = 0;
- int i = 0;
-
- if (!d)
- return (0);
- un = dev_get_drvdata(d);
- if (!un || un->magic != DGAP_UNIT_MAGIC)
- return (0);
- ch = un->un_ch;
- if (!ch || ch->magic != DGAP_CHANNEL_MAGIC)
- return (0);
- bd = ch->ch_bd;
- if (!bd || bd->magic != DGAP_BOARD_MAGIC)
- return (0);
- if (bd->state != BOARD_READY)
- return (0);
-
- bn = bd->boardnum;
- cn = ch->ch_portnum;
-
- for (cptr = bd->bd_config; cptr; cptr = cptr->next) {
-
- if ((cptr->type == BNODE) &&
- ((cptr->u.board.type == APORT2_920P) || (cptr->u.board.type == APORT4_920P) ||
- (cptr->u.board.type == APORT8_920P) || (cptr->u.board.type == PAPORT4) ||
- (cptr->u.board.type == PAPORT8))) {
-
- found = TRUE;
- if (cptr->u.board.v_start)
- starto = cptr->u.board.start;
- else
- starto = 1;
- }
-
- if (cptr->type == TNODE && found == TRUE) {
- char *ptr1;
- if (strstr(cptr->u.ttyname, "tty")) {
- ptr1 = cptr->u.ttyname;
- ptr1 += 3;
- }
- else {
- ptr1 = cptr->u.ttyname;
- }
-
- for (i = 0; i < dgap_config_get_number_of_ports(bd); i++) {
- if (cn == i) {
- return snprintf(buf, PAGE_SIZE, "%s%s%02d\n",
- (un->un_type == DGAP_PRINT) ? "pr" : "tty",
- ptr1, i + starto);
- }
- }
- }
-
- if (cptr->type == CNODE) {
-
- for (i = 0; i < cptr->u.conc.nport; i++) {
- if (cn == (i + ncount)) {
-
- return snprintf(buf, PAGE_SIZE, "%s%s%02d\n",
- (un->un_type == DGAP_PRINT) ? "pr" : "tty",
- cptr->u.conc.id,
- i + (cptr->u.conc.v_start ? cptr->u.conc.start : 1));
- }
- }
-
- ncount += cptr->u.conc.nport;
- }
-
- if (cptr->type == MNODE) {
-
- for (i = 0; i < cptr->u.module.nport; i++) {
- if (cn == (i + ncount)) {
- return snprintf(buf, PAGE_SIZE, "%s%s%02d\n",
- (un->un_type == DGAP_PRINT) ? "pr" : "tty",
- cptr->u.module.id,
- i + (cptr->u.module.v_start ? cptr->u.module.start : 1));
- }
- }
-
- ncount += cptr->u.module.nport;
-
- }
- }
-
- return snprintf(buf, PAGE_SIZE, "%s_dgap_%d_%d\n",
- (un->un_type == DGAP_PRINT) ? "pr" : "tty", bn, cn);
-
-}
-static DEVICE_ATTR(custom_name, S_IRUSR, dgap_tty_name_show, NULL);
-
-
-static struct attribute *dgap_sysfs_tty_entries[] = {
- &dev_attr_state.attr,
- &dev_attr_baud.attr,
- &dev_attr_msignals.attr,
- &dev_attr_iflag.attr,
- &dev_attr_cflag.attr,
- &dev_attr_oflag.attr,
- &dev_attr_lflag.attr,
- &dev_attr_digi_flag.attr,
- &dev_attr_rxcount.attr,
- &dev_attr_txcount.attr,
- &dev_attr_custom_name.attr,
- NULL
-};
-
-
-static struct attribute_group dgap_tty_attribute_group = {
- .name = NULL,
- .attrs = dgap_sysfs_tty_entries,
-};
-
-
-
-
-void dgap_create_tty_sysfs(struct un_t *un, struct device *c)
-{
- int ret;
-
- ret = sysfs_create_group(&c->kobj, &dgap_tty_attribute_group);
- if (ret) {
- printk(KERN_ERR "dgap: failed to create sysfs tty device attributes.\n");
- sysfs_remove_group(&c->kobj, &dgap_tty_attribute_group);
- return;
- }
-
- dev_set_drvdata(c, un);
-
-}
-
-
-void dgap_remove_tty_sysfs(struct device *c)
-{
- sysfs_remove_group(&c->kobj, &dgap_tty_attribute_group);
-}
projects / openwrt / staging / blogic.git / commitdiff