diff options
Diffstat (limited to 'drivers/dahdi/xpp/card_global.c')
| -rw-r--r-- | drivers/dahdi/xpp/card_global.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/dahdi/xpp/card_global.c b/drivers/dahdi/xpp/card_global.c index 551192c..ba66b9e 100644 --- a/drivers/dahdi/xpp/card_global.c +++ b/drivers/dahdi/xpp/card_global.c @@ -40,6 +40,59 @@ extern int debug; /*---------------- GLOBAL PROC handling -----------------------------------*/ +#ifdef OLD_PROC +static int proc_xpd_register_read(char *page, char **start, off_t off, int count, int *eof, void *data) +{ + int len = 0; + unsigned long flags; + xpd_t *xpd = data; + reg_cmd_t *info; + bool do_datah; + char datah_str[50]; + + if(!xpd) + return -ENODEV; + XPD_NOTICE(xpd, "%s: DEPRECATED: %s[%d] read from /proc interface instead of /sys\n", + __FUNCTION__, current->comm, current->tgid); + spin_lock_irqsave(&xpd->lock, flags); + info = &xpd->last_reply; + len += sprintf(page + len, "# Writing bad data into this file may damage your hardware!\n"); + len += sprintf(page + len, "# Consult firmware docs first\n"); + len += sprintf(page + len, "#\n"); + do_datah = REG_FIELD(info, do_datah) ? 1 : 0; + if(do_datah) { + snprintf(datah_str, ARRAY_SIZE(datah_str), "\t%02X", + REG_FIELD(info, data_high)); + } else + datah_str[0] = '\0'; + if(REG_FIELD(info, do_subreg)) { + len += sprintf(page + len, "#CH\tOP\tReg.\tSub\tDL%s\n", + (do_datah) ? "\tDH" : ""); + len += sprintf(page + len, "%2d\tRS\t%02X\t%02X\t%02X%s\n", + info->portnum, + REG_FIELD(info, regnum), REG_FIELD(info, subreg), + REG_FIELD(info, data_low), datah_str); + } else { + len += sprintf(page + len, "#CH\tOP\tReg.\tDL%s\n", + (do_datah) ? "\tDH" : ""); + len += sprintf(page + len, "%2d\tRD\t%02X\t%02X%s\n", + info->portnum, + REG_FIELD(info, regnum), + REG_FIELD(info, data_low), datah_str); + } + spin_unlock_irqrestore(&xpd->lock, flags); + if (len <= off+count) + *eof = 1; + *start = page + off; + len -= off; + if (len > count) + len = count; + if (len < 0) + len = 0; + return len; +} +#endif + static int parse_hexbyte(const char *buf) { char *endp; @@ -289,6 +342,78 @@ out: return ret; } +#ifdef OLD_PROC +static int proc_xpd_register_write(struct file *file, const char __user *buffer, unsigned long count, void *data) +{ + xpd_t *xpd = data; + char buf[MAX_PROC_WRITE]; + char *p; + int i; + int ret; + + if(!xpd) + return -ENODEV; + XPD_NOTICE(xpd, "%s: DEPRECATED: %s[%d] wrote to /proc interface instead of /sys\n", + __FUNCTION__, current->comm, current->tgid); + for(i = 0; i < count; /* noop */) { + for(p = buf; p < buf + MAX_PROC_WRITE; p++) { /* read a line */ + if(i >= count) + break; + if(get_user(*p, buffer + i)) + return -EFAULT; + i++; + if(*p == '\n' || *p == '\r') /* whatever */ + break; + } + if(p >= buf + MAX_PROC_WRITE) + return -E2BIG; + *p = '\0'; + ret = parse_chip_command(xpd, buf); + if(ret < 0) { + XPD_NOTICE(xpd, "Failed writing command: '%s'\n", buf); + return ret; + } + /* Don't flood command_queue */ + if(xframe_queue_count(&xpd->xbus->command_queue) > 5) + msleep(6); + } + return count; +} + +void chip_proc_remove(xbus_t *xbus, xpd_t *xpd) +{ + BUG_ON(!xpd); +#ifdef CONFIG_PROC_FS + if(xpd->proc_xpd_chipregs) { + XBUS_DBG(PROC, xbus, "UNIT %d: Removing %s\n", xpd->addr.unit, CHIP_REGISTERS); + xpd->proc_xpd_chipregs->data = NULL; + remove_proc_entry(CHIP_REGISTERS, xpd->proc_xpd_dir); + } +#endif +} + +int chip_proc_create(xbus_t *xbus, xpd_t *xpd) +{ + BUG_ON(!xpd); +#ifdef CONFIG_PROC_FS + XBUS_DBG(PROC, xbus, "UNIT %d: Creating %s\n", xpd->addr.unit, CHIP_REGISTERS); + xpd->proc_xpd_chipregs = create_proc_entry(CHIP_REGISTERS, 0644, xpd->proc_xpd_dir); + if(!xpd->proc_xpd_chipregs) { + XPD_ERR(xpd, "Failed to create proc file '%s'\n", CHIP_REGISTERS); + goto err; + } + SET_PROC_DIRENTRY_OWNER(xpd->proc_xpd_chipregs); + xpd->proc_xpd_chipregs->write_proc = proc_xpd_register_write; + xpd->proc_xpd_chipregs->read_proc = proc_xpd_register_read; + xpd->proc_xpd_chipregs->data = xpd; +#endif + return 0; +err: + chip_proc_remove(xbus, xpd); + return -EINVAL; +} +#endif + /*---------------- GLOBAL Protocol Commands -------------------------------*/ static bool global_packet_is_valid(xpacket_t *pack); |