fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / drivers / telephony / ixj.c
index 210b0b1..df4cc1f 100644 (file)
@@ -41,9 +41,6 @@
  *
  ***************************************************************************/
 
-static char ixj_c_rcsid[] = "$Id: ixj.c,v 4.7 2001/08/13 06:19:33 craigs Exp $";
-static char ixj_c_revision[] = "$Revision: 4.7 $";
-
 /*
  * $Log: ixj.c,v $
  *
@@ -287,6 +284,14 @@ static int samplerate = 100;
 
 module_param(ixjdebug, int, 0);
 
+static struct pci_device_id ixj_pci_tbl[] __devinitdata = {
+       { PCI_VENDOR_ID_QUICKNET, PCI_DEVICE_ID_QUICKNET_XJ,
+         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { }
+};
+
+MODULE_DEVICE_TABLE(pci, ixj_pci_tbl);
+
 /************************************************************************
 *
 * ixjdebug meanings are now bit mapped instead of level based
@@ -332,10 +337,8 @@ static IXJ *ixj_alloc()
 
 static void ixj_fsk_free(IXJ *j)
 {
-       if(j->fskdata != NULL) {
-               kfree(j->fskdata);
-               j->fskdata = NULL;
-       }
+       kfree(j->fskdata);
+       j->fskdata = NULL;
 }
 
 static void ixj_fsk_alloc(IXJ *j)
@@ -779,10 +782,7 @@ static int ixj_wink(IXJ *j)
        j->pots_winkstart = jiffies;
        SLIC_SetState(PLD_SLIC_STATE_OC, j);
 
-       while (time_before(jiffies, j->pots_winkstart + j->winktime)) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       msleep(jiffies_to_msecs(j->winktime));
 
        SLIC_SetState(slicnow, j);
        return 0;
@@ -1917,7 +1917,6 @@ static int ixj_pcmcia_cable_check(IXJ *j)
 
 static int ixj_hookstate(IXJ *j)
 {
-       unsigned long det;
        int fOffHook = 0;
 
        switch (j->cardtype) {
@@ -1948,11 +1947,7 @@ static int ixj_hookstate(IXJ *j)
                            j->pld_slicr.bits.state == PLD_SLIC_STATE_STANDBY) {
                                if (j->flags.ringing || j->flags.cringing) {
                                        if (!in_interrupt()) {
-                                               det = jiffies + (hertz / 50);
-                                               while (time_before(jiffies, det)) {
-                                                       set_current_state(TASK_INTERRUPTIBLE);
-                                                       schedule_timeout(1);
-                                               }
+                                               msleep(20);
                                        }
                                        SLIC_GetState(j);
                                        if (j->pld_slicr.bits.state == PLD_SLIC_STATE_RINGING) {
@@ -2067,7 +2062,7 @@ static void ixj_ring_start(IXJ *j)
 static int ixj_ring(IXJ *j)
 {
        char cntr;
-       unsigned long jif, det;
+       unsigned long jif;
 
        j->flags.ringing = 1;
        if (ixj_hookstate(j) & 1) {
@@ -2075,7 +2070,6 @@ static int ixj_ring(IXJ *j)
                j->flags.ringing = 0;
                return 1;
        }
-       det = 0;
        for (cntr = 0; cntr < j->maxrings; cntr++) {
                jif = jiffies + (1 * hertz);
                ixj_ring_on(j);
@@ -2085,8 +2079,7 @@ static int ixj_ring(IXJ *j)
                                j->flags.ringing = 0;
                                return 1;
                        }
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
+                       schedule_timeout_interruptible(1);
                        if (signal_pending(current))
                                break;
                }
@@ -2094,20 +2087,13 @@ static int ixj_ring(IXJ *j)
                ixj_ring_off(j);
                while (time_before(jiffies, jif)) {
                        if (ixj_hookstate(j) & 1) {
-                               det = jiffies + (hertz / 100);
-                               while (time_before(jiffies, det)) {
-                                       set_current_state(TASK_INTERRUPTIBLE);
-                                       schedule_timeout(1);
-                                       if (signal_pending(current))
-                                               break;
-                               }
+                               msleep(10);
                                if (ixj_hookstate(j) & 1) {
                                        j->flags.ringing = 0;
                                        return 1;
                                }
                        }
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
+                       schedule_timeout_interruptible(1);
                        if (signal_pending(current))
                                break;
                }
@@ -2173,10 +2159,8 @@ static int ixj_release(struct inode *inode, struct file *file_p)
         *    Set up locks to ensure that only one process is talking to the DSP at a time.
         *    This is necessary to keep the DSP from locking up.
         */
-       while(test_and_set_bit(board, (void *)&j->busyflags) != 0) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       while(test_and_set_bit(board, (void *)&j->busyflags) != 0)
+               schedule_timeout_interruptible(1);
        if (ixjdebug & 0x0002)
                printk(KERN_INFO "Closing board %d\n", NUM(inode));
 
@@ -2763,7 +2747,7 @@ static void alaw2ulaw(unsigned char *buff, unsigned long len)
 static ssize_t ixj_read(struct file * file_p, char __user *buf, size_t length, loff_t * ppos)
 {
        unsigned long i = *ppos;
-       IXJ * j = get_ixj(NUM(file_p->f_dentry->d_inode));
+       IXJ * j = get_ixj(NUM(file_p->f_path.dentry->d_inode));
 
        DECLARE_WAITQUEUE(wait, current);
 
@@ -2820,7 +2804,7 @@ static ssize_t ixj_enhanced_read(struct file * file_p, char __user *buf, size_t
 {
        int pre_retval;
        ssize_t read_retval = 0;
-       IXJ *j = get_ixj(NUM(file_p->f_dentry->d_inode));
+       IXJ *j = get_ixj(NUM(file_p->f_path.dentry->d_inode));
 
        pre_retval = ixj_PreRead(j, 0L);
        switch (pre_retval) {
@@ -2899,7 +2883,7 @@ static ssize_t ixj_enhanced_write(struct file * file_p, const char __user *buf,
        int pre_retval;
        ssize_t write_retval = 0;
 
-       IXJ *j = get_ixj(NUM(file_p->f_dentry->d_inode));
+       IXJ *j = get_ixj(NUM(file_p->f_path.dentry->d_inode));
 
        pre_retval = ixj_PreWrite(j, 0L);
        switch (pre_retval) {
@@ -3306,14 +3290,10 @@ static void ixj_write_cidcw(IXJ *j)
        ixj_play_tone(j, 23);
 
        clear_bit(j->board, &j->busyflags);
-       while(j->tone_state) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
-       while(test_and_set_bit(j->board, (void *)&j->busyflags) != 0) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       while(j->tone_state)
+               schedule_timeout_interruptible(1);
+       while(test_and_set_bit(j->board, (void *)&j->busyflags) != 0)
+               schedule_timeout_interruptible(1);
        if(ixjdebug & 0x0200) {
                printk("IXJ cidcw phone%d first tone end at %ld\n", j->board, jiffies);
        }
@@ -3333,14 +3313,10 @@ static void ixj_write_cidcw(IXJ *j)
        ixj_play_tone(j, 24);
 
        clear_bit(j->board, &j->busyflags);
-       while(j->tone_state) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
-       while(test_and_set_bit(j->board, (void *)&j->busyflags) != 0) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       while(j->tone_state)
+               schedule_timeout_interruptible(1);
+       while(test_and_set_bit(j->board, (void *)&j->busyflags) != 0)
+               schedule_timeout_interruptible(1);
        if(ixjdebug & 0x0200) {
                printk("IXJ cidcw phone%d sent second tone at %ld\n", j->board, jiffies);
        }
@@ -3348,14 +3324,10 @@ static void ixj_write_cidcw(IXJ *j)
        j->cidcw_wait = jiffies + ((50 * hertz) / 100);
 
        clear_bit(j->board, &j->busyflags);
-       while(!j->flags.cidcw_ack && time_before(jiffies, j->cidcw_wait)) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
-       while(test_and_set_bit(j->board, (void *)&j->busyflags) != 0) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       while(!j->flags.cidcw_ack && time_before(jiffies, j->cidcw_wait))
+               schedule_timeout_interruptible(1);
+       while(test_and_set_bit(j->board, (void *)&j->busyflags) != 0)
+               schedule_timeout_interruptible(1);
        j->cidcw_wait = 0;
        if(!j->flags.cidcw_ack) {
                if(ixjdebug & 0x0200) {
@@ -3594,10 +3566,16 @@ static void ixj_write_frame(IXJ *j)
                                }
                        /* Add word 0 to G.729 frames for the 8021.  Right now we don't do VAD/CNG  */
                                if (j->play_codec == G729 && (cnt == 0 || cnt == 10 || cnt == 20)) {
-                                       if(j->write_buffer_rp + cnt == 0 && j->write_buffer_rp + cnt + 1 == 0 && j->write_buffer_rp + cnt + 2 == 0 &&
-                                          j->write_buffer_rp + cnt + 3 == 0 && j->write_buffer_rp + cnt + 4 == 0 && j->write_buffer_rp + cnt + 5 == 0 &&
-                                          j->write_buffer_rp + cnt + 6 == 0 && j->write_buffer_rp + cnt + 7 == 0 && j->write_buffer_rp + cnt + 8 == 0 &&
-                                          j->write_buffer_rp + cnt + 9 == 0) {
+                                       if (j->write_buffer_rp[cnt] == 0 &&
+                                           j->write_buffer_rp[cnt + 1] == 0 &&
+                                           j->write_buffer_rp[cnt + 2] == 0 &&
+                                           j->write_buffer_rp[cnt + 3] == 0 &&
+                                           j->write_buffer_rp[cnt + 4] == 0 &&
+                                           j->write_buffer_rp[cnt + 5] == 0 &&
+                                           j->write_buffer_rp[cnt + 6] == 0 &&
+                                           j->write_buffer_rp[cnt + 7] == 0 &&
+                                           j->write_buffer_rp[cnt + 8] == 0 &&
+                                           j->write_buffer_rp[cnt + 9] == 0) {
                                        /* someone is trying to write silence lets make this a type 0 frame. */
                                                outb_p(0x00, j->DSPbase + 0x0C);
                                                outb_p(0x00, j->DSPbase + 0x0D);
@@ -3870,13 +3848,11 @@ static int set_rec_codec(IXJ *j, int rate)
                j->rec_mode = 7;
                break;
        default:
+               kfree(j->read_buffer);
                j->rec_frame_size = 0;
                j->rec_mode = -1;
-               if (j->read_buffer) {
-                       kfree(j->read_buffer);
-                       j->read_buffer = NULL;
-                       j->read_buffer_size = 0;
-               }
+               j->read_buffer = NULL;
+               j->read_buffer_size = 0;
                retval = 1;
                break;
        }
@@ -3994,14 +3970,12 @@ static int ixj_record_start(IXJ *j)
 
 static void ixj_record_stop(IXJ *j)
 {
-       if(ixjdebug & 0x0002)
+       if (ixjdebug & 0x0002)
                printk("IXJ %d Stopping Record Codec %d at %ld\n", j->board, j->rec_codec, jiffies);
 
-       if (j->read_buffer) {
-               kfree(j->read_buffer);
-               j->read_buffer = NULL;
-               j->read_buffer_size = 0;
-       }
+       kfree(j->read_buffer);
+       j->read_buffer = NULL;
+       j->read_buffer_size = 0;
        if (j->rec_mode > -1) {
                ixj_WriteDSPCommand(0x5120, j);
                j->rec_mode = -1;
@@ -4452,13 +4426,11 @@ static int set_play_codec(IXJ *j, int rate)
                j->play_mode = 5;
                break;
        default:
+               kfree(j->write_buffer);
                j->play_frame_size = 0;
                j->play_mode = -1;
-               if (j->write_buffer) {
-                       kfree(j->write_buffer);
-                       j->write_buffer = NULL;
-                       j->write_buffer_size = 0;
-               }
+               j->write_buffer = NULL;
+               j->write_buffer_size = 0;
                retval = 1;
                break;
        }
@@ -4581,14 +4553,12 @@ static int ixj_play_start(IXJ *j)
 
 static void ixj_play_stop(IXJ *j)
 {
-       if(ixjdebug & 0x0002)
+       if (ixjdebug & 0x0002)
                printk("IXJ %d Stopping Play Codec %d at %ld\n", j->board, j->play_codec, jiffies);
 
-       if (j->write_buffer) {
-               kfree(j->write_buffer);
-               j->write_buffer = NULL;
-               j->write_buffer_size = 0;
-       }
+       kfree(j->write_buffer);
+       j->write_buffer = NULL;
+       j->write_buffer_size = 0;
        if (j->play_mode > -1) {
                ixj_WriteDSPCommand(0x5221, j); /* Stop playback and flush buffers.  8022 reference page 9-40 */
 
@@ -4612,7 +4582,7 @@ static unsigned int ixj_poll(struct file *file_p, poll_table * wait)
 {
        unsigned int mask = 0;
 
-       IXJ *j = get_ixj(NUM(file_p->f_dentry->d_inode));
+       IXJ *j = get_ixj(NUM(file_p->f_path.dentry->d_inode));
 
        poll_wait(file_p, &(j->poll_q), wait);
        if (j->read_buffer_ready > 0)
@@ -5750,7 +5720,7 @@ static int ixj_daa_write(IXJ *j)
        return 1;
 }
 
-int ixj_set_tone_off(unsigned short arg, IXJ *j)
+static int ixj_set_tone_off(unsigned short arg, IXJ *j)
 {
        j->tone_off_time = arg;
        if (ixj_WriteDSPCommand(0x6E05, j))             /* Set Tone Off Period */
@@ -5813,9 +5783,7 @@ static void ixj_cpt_stop(IXJ *j)
                ixj_play_tone(j, 0);
                j->tone_state = j->tone_cadence_state = 0;
                if (j->cadence_t) {
-                       if (j->cadence_t->ce) {
-                               kfree(j->cadence_t->ce);
-                       }
+                       kfree(j->cadence_t->ce);
                        kfree(j->cadence_t);
                        j->cadence_t = NULL;
                }
@@ -5949,10 +5917,10 @@ static int ixj_build_filter_cadence(IXJ *j, IXJ_FILTER_CADENCE __user * cp)
        j->cadence_f[lcp->filter].off3 = lcp->off3;
        j->cadence_f[lcp->filter].off3min = 0;
        j->cadence_f[lcp->filter].off3max = 0;
-       kfree(lcp);
        if(ixjdebug & 0x0002) {
                printk(KERN_INFO "Cadence %d loaded\n", lcp->filter);
        }
+       kfree(lcp);
        return 0;
 }
 
@@ -6140,10 +6108,8 @@ static int ixj_ioctl(struct inode *inode, struct file *file_p, unsigned int cmd,
         *    Set up locks to ensure that only one process is talking to the DSP at a time.
         *    This is necessary to keep the DSP from locking up.
         */
-       while(test_and_set_bit(board, (void *)&j->busyflags) != 0) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       while(test_and_set_bit(board, (void *)&j->busyflags) != 0)
+               schedule_timeout_interruptible(1);
        if (ixjdebug & 0x0040)
                printk("phone%d ioctl, cmd: 0x%x, arg: 0x%lx\n", minor, cmd, arg);
        if (minor >= IXJMAX) {
@@ -6172,8 +6138,14 @@ static int ixj_ioctl(struct inode *inode, struct file *file_p, unsigned int cmd,
                retval = j->serial;
                break;
        case IXJCTL_VERSION:
-               if (copy_to_user(argp, ixj_c_revision, strlen(ixj_c_revision))) 
-                       retval = -EFAULT;
+               {
+                       char arg_str[100];
+                       snprintf(arg_str, sizeof(arg_str),
+                               "\nDriver version %i.%i.%i", IXJ_VER_MAJOR,
+                               IXJ_VER_MINOR, IXJ_BLD_VER);
+                       if (copy_to_user(argp, arg_str, strlen(arg_str)))
+                               retval = -EFAULT;
+               }
                break;
        case PHONE_RING_CADENCE:
                j->ring_cadence = arg;
@@ -6685,7 +6657,7 @@ static int ixj_ioctl(struct inode *inode, struct file *file_p, unsigned int cmd,
 
 static int ixj_fasync(int fd, struct file *file_p, int mode)
 {
-       IXJ *j = get_ixj(NUM(file_p->f_dentry->d_inode));
+       IXJ *j = get_ixj(NUM(file_p->f_path.dentry->d_inode));
 
        return fasync_helper(fd, file_p, mode, &j->async_queue);
 }
@@ -6703,8 +6675,6 @@ static struct file_operations ixj_fops =
 
 static int ixj_linetest(IXJ *j)
 {
-       unsigned long jifwait;
-
        j->flags.pstncheck = 1; /* Testing */
        j->flags.pstn_present = 0; /* Assume the line is not there */
 
@@ -6735,11 +6705,7 @@ static int ixj_linetest(IXJ *j)
 
                outb_p(j->pld_scrw.byte, j->XILINXbase);
                daa_set_mode(j, SOP_PU_CONVERSATION);
-               jifwait = jiffies + hertz;
-               while (time_before(jiffies, jifwait)) {
-                       set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+               msleep(1000);
                daa_int_read(j);
                daa_set_mode(j, SOP_PU_RESET);
                if (j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK) {
@@ -6759,11 +6725,7 @@ static int ixj_linetest(IXJ *j)
        j->pld_slicw.bits.rly3 = 0;
        outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
        daa_set_mode(j, SOP_PU_CONVERSATION);
-       jifwait = jiffies + hertz;
-       while (time_before(jiffies, jifwait)) {
-               set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       msleep(1000);
        daa_int_read(j);
        daa_set_mode(j, SOP_PU_RESET);
        if (j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK) {
@@ -6792,7 +6754,6 @@ static int ixj_linetest(IXJ *j)
 static int ixj_selfprobe(IXJ *j)
 {
        unsigned short cmd;
-       unsigned long jif;
        int cnt;
        BYTES bytes;
 
@@ -6942,29 +6903,13 @@ static int ixj_selfprobe(IXJ *j)
        } else {
                if (j->cardtype == QTI_LINEJACK) {
                        LED_SetState(0x1, j);
-                       jif = jiffies + (hertz / 10);
-                       while (time_before(jiffies, jif)) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       msleep(100);
                        LED_SetState(0x2, j);
-                       jif = jiffies + (hertz / 10);
-                       while (time_before(jiffies, jif)) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       msleep(100);
                        LED_SetState(0x4, j);
-                       jif = jiffies + (hertz / 10);
-                       while (time_before(jiffies, jif)) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       msleep(100);
                        LED_SetState(0x8, j);
-                       jif = jiffies + (hertz / 10);
-                       while (time_before(jiffies, jif)) {
-                               set_current_state(TASK_INTERRUPTIBLE);
-                               schedule_timeout(1);
-                       }
+                       msleep(100);
                        LED_SetState(0x0, j);
                        daa_get_version(j);
                        if (ixjdebug & 0x0002)
@@ -7168,9 +7113,6 @@ static int ixj_get_status_proc(char *buf)
        int cnt;
        IXJ *j;
        len = 0;
-       len += sprintf(buf + len, "%s", ixj_c_rcsid);
-       len += sprintf(buf + len, "\n%s", ixj_h_rcsid);
-       len += sprintf(buf + len, "\n%s", ixjuser_h_rcsid);
        len += sprintf(buf + len, "\nDriver version %i.%i.%i", IXJ_VER_MAJOR, IXJ_VER_MINOR, IXJ_BLD_VER);
        len += sprintf(buf + len, "\nsizeof IXJ struct %Zd bytes", sizeof(IXJ));
        len += sprintf(buf + len, "\nsizeof DAA struct %Zd bytes", sizeof(DAA_REGS));
@@ -7497,10 +7439,8 @@ static void cleanup(void)
                                        printk(KERN_INFO "IXJ: Releasing XILINX address for /dev/phone%d\n", cnt);
                                release_region(j->XILINXbase, 4);
                        }
-                       if (j->read_buffer)
-                               kfree(j->read_buffer);
-                       if (j->write_buffer)
-                               kfree(j->write_buffer);
+                       kfree(j->read_buffer);
+                       kfree(j->write_buffer);
                        if (j->dev)
                                pnp_device_detach(j->dev);
                        if (ixjdebug & 0x0002)
@@ -7751,7 +7691,8 @@ static int __init ixj_probe_pci(int *cnt)
        IXJ *j = NULL;
 
        for (i = 0; i < IXJMAX - *cnt; i++) {
-               pci = pci_find_device(0x15E2, 0x0500, pci);
+               pci = pci_find_device(PCI_VENDOR_ID_QUICKNET,
+                                     PCI_DEVICE_ID_QUICKNET_XJ, pci);
                if (!pci)
                        break;
 
@@ -7790,7 +7731,7 @@ static int __init ixj_init(void)
        if ((probe = ixj_probe_pci(&cnt)) < 0) {
                return probe;
        }
-       printk("%s\n", ixj_c_rcsid);
+       printk(KERN_INFO "ixj driver initialized.\n");
        create_proc_read_entry ("ixj", 0, NULL, ixj_read_proc, NULL);
        return probe;
 }