/* PCI related definitions */
-static unsigned short cy_pci_nboard;
-static unsigned short cy_isa_nboard;
-static unsigned short cy_nboard;
#ifdef CONFIG_PCI
static struct pci_device_id cy_pci_dev_id[] __devinitdata = {
{ PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Lo) }, /* PCI < 1Mb */
card_base_addr = cinfo->base_addr;
index = cinfo->bus_index;
+ /* card was not initialized yet (e.g. DEBUG_SHIRQ) */
+ if (unlikely(card_base_addr == NULL))
+ return IRQ_HANDLED;
+
/* This loop checks all chips in the card. Make a note whenever
_any_ chip had some work to do, as this is considered an
indication that there will be more to do. Only when no chip
((status & CyCTS) ? TIOCM_CTS : 0);
} else {
base_addr = cy_card[card].base_addr;
-
- if (cy_card[card].num_chips != -1) {
- return -EINVAL;
- }
-
firm_id = cy_card[card].base_addr + ID_ADDRESS;
if (ISZLOADED(cy_card[card])) {
zfw_ctrl = cy_card[card].base_addr +
case CYGETRTSDTR_INV:
ret_val = info->rtsdtr_inv;
break;
- case CYGETCARDINFO:
- if (copy_to_user(argp, &cy_card[info->card],
- sizeof(struct cyclades_card))) {
- ret_val = -EFAULT;
- break;
- }
- ret_val = 0;
- break;
case CYGETCD1400VER:
ret_val = info->chip_rev;
break;
* ---------------------------------------------------------------------
*/
+static void __devinit cy_init_card(struct cyclades_card *cinfo,
+ const unsigned int board)
+{
+ struct cyclades_port *info;
+ u32 mailbox;
+ unsigned int nports;
+ unsigned short chip_number;
+ int index, port;
+
+ if (IS_CYC_Z(*cinfo)) { /* Cyclades-Z */
+ mailbox = readl(&((struct RUNTIME_9060 __iomem *)
+ cinfo->ctl_addr)->mail_box_0);
+ nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8;
+ cinfo->intr_enabled = 0;
+ cinfo->nports = 0; /* Will be correctly set later, after
+ Z FW is loaded */
+ spin_lock_init(&cinfo->card_lock);
+ for (port = cinfo->first_line;
+ port < cinfo->first_line + nports; port++) {
+ info = &cy_port[port];
+ info->magic = CYCLADES_MAGIC;
+ info->type = PORT_STARTECH;
+ info->card = board;
+ info->line = port;
+ info->chip_rev = 0;
+ info->flags = STD_COM_FLAGS;
+ info->tty = NULL;
+ if (mailbox == ZO_V1)
+ info->xmit_fifo_size = CYZ_FIFO_SIZE;
+ else
+ info->xmit_fifo_size =
+ 4 * CYZ_FIFO_SIZE;
+ info->cor1 = 0;
+ info->cor2 = 0;
+ info->cor3 = 0;
+ info->cor4 = 0;
+ info->cor5 = 0;
+ info->tbpr = 0;
+ info->tco = 0;
+ info->rbpr = 0;
+ info->rco = 0;
+ info->custom_divisor = 0;
+ info->close_delay = 5 * HZ / 10;
+ info->closing_wait = CLOSING_WAIT_DELAY;
+ info->icount.cts = info->icount.dsr =
+ info->icount.rng = info->icount.dcd = 0;
+ info->icount.rx = info->icount.tx = 0;
+ info->icount.frame = info->icount.parity = 0;
+ info->icount.overrun = info->icount.brk = 0;
+ info->x_char = 0;
+ info->event = 0;
+ info->count = 0;
+ info->blocked_open = 0;
+ info->default_threshold = 0;
+ info->default_timeout = 0;
+ INIT_WORK(&info->tqueue, do_softint);
+ init_waitqueue_head(&info->open_wait);
+ init_waitqueue_head(&info->close_wait);
+ init_waitqueue_head(&info->shutdown_wait);
+ init_waitqueue_head(&info->delta_msr_wait);
+ /* info->session */
+ /* info->pgrp */
+ info->read_status_mask = 0;
+ /* info->timeout */
+ /* Bentson's vars */
+ info->jiffies[0] = 0;
+ info->jiffies[1] = 0;
+ info->jiffies[2] = 0;
+ info->rflush_count = 0;
+#ifdef CONFIG_CYZ_INTR
+ init_timer(&cyz_rx_full_timer[port]);
+ cyz_rx_full_timer[port].function = NULL;
+#endif
+ }
+#ifndef CONFIG_CYZ_INTR
+ if (!timer_pending(&cyz_timerlist)) {
+ mod_timer(&cyz_timerlist, jiffies + 1);
+#ifdef CY_PCI_DEBUG
+ printk("Cyclades-Z polling initialized\n");
+#endif
+ }
+#endif /* CONFIG_CYZ_INTR */
+
+ } else { /* Cyclom-Y of some kind */
+ index = cinfo->bus_index;
+ spin_lock_init(&cinfo->card_lock);
+ cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips;
+ for (port = cinfo->first_line;
+ port < cinfo->first_line + cinfo->nports; port++) {
+ info = &cy_port[port];
+ info->magic = CYCLADES_MAGIC;
+ info->type = PORT_CIRRUS;
+ info->card = board;
+ info->line = port;
+ info->flags = STD_COM_FLAGS;
+ info->tty = NULL;
+ info->xmit_fifo_size = CyMAX_CHAR_FIFO;
+ info->cor1 =
+ CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS;
+ info->cor2 = CyETC;
+ info->cor3 = 0x08; /* _very_ small rcv threshold */
+ info->cor4 = 0;
+ info->cor5 = 0;
+ info->custom_divisor = 0;
+ info->close_delay = 5 * HZ / 10;
+ info->closing_wait = CLOSING_WAIT_DELAY;
+ info->icount.cts = info->icount.dsr =
+ info->icount.rng = info->icount.dcd = 0;
+ info->icount.rx = info->icount.tx = 0;
+ info->icount.frame = info->icount.parity = 0;
+ info->icount.overrun = info->icount.brk = 0;
+ chip_number = (port - cinfo->first_line) / 4;
+ if ((info->chip_rev =
+ readb(cinfo->base_addr +
+ (cy_chip_offset[chip_number] <<
+ index) + (CyGFRCR << index))) >=
+ CD1400_REV_J) {
+ /* It is a CD1400 rev. J or later */
+ info->tbpr = baud_bpr_60[13]; /* Tx BPR */
+ info->tco = baud_co_60[13]; /* Tx CO */
+ info->rbpr = baud_bpr_60[13]; /* Rx BPR */
+ info->rco = baud_co_60[13]; /* Rx CO */
+ info->rflow = 0;
+ info->rtsdtr_inv = 1;
+ } else {
+ info->tbpr = baud_bpr_25[13]; /* Tx BPR */
+ info->tco = baud_co_25[13]; /* Tx CO */
+ info->rbpr = baud_bpr_25[13]; /* Rx BPR */
+ info->rco = baud_co_25[13]; /* Rx CO */
+ info->rflow = 0;
+ info->rtsdtr_inv = 0;
+ }
+ info->x_char = 0;
+ info->event = 0;
+ info->count = 0;
+ info->blocked_open = 0;
+ info->default_threshold = 0;
+ info->default_timeout = 0;
+ INIT_WORK(&info->tqueue, do_softint);
+ init_waitqueue_head(&info->open_wait);
+ init_waitqueue_head(&info->close_wait);
+ init_waitqueue_head(&info->shutdown_wait);
+ init_waitqueue_head(&info->delta_msr_wait);
+ /* info->session */
+ /* info->pgrp */
+ info->read_status_mask =
+ CyTIMEOUT | CySPECHAR | CyBREAK
+ | CyPARITY | CyFRAME | CyOVERRUN;
+ /* info->timeout */
+ }
+ }
+}
+
/* initialize chips on Cyclom-Y card -- return number of valid
chips (which is number of ports/4) */
static unsigned short __init
cy_card[j].bus_index = 0;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = cy_isa_nchan / 4;
+ cy_init_card(&cy_card[j], j);
nboard++;
/* print message */
cy_isa_irq);
printk("%d channels starting from port %d.\n",
cy_isa_nchan, cy_next_channel);
+ for (j = cy_next_channel;
+ j < cy_next_channel + cy_isa_nchan; j++)
+ tty_register_device(cy_serial_driver, j, NULL);
cy_next_channel += cy_isa_nchan;
}
return nboard;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = -1;
cy_card[j].pdev = pdev;
+ cy_init_card(&cy_card[j], j);
pci_set_drvdata(pdev, &cy_card[j]);
/* print message */
printk("%d channels starting from port %d.\n",
cy_pci_nchan, cy_next_channel);
+ for (j = cy_next_channel; j < cy_next_channel + cy_pci_nchan; j++)
+ tty_register_device(cy_serial_driver, j, &pdev->dev);
cy_next_channel += cy_pci_nchan;
return 0;
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = cy_pci_nchan / 4;
cy_card[j].pdev = pdev;
+ cy_init_card(&cy_card[j], j);
pci_set_drvdata(pdev, &cy_card[j]);
/* enable interrupts in the PCI interface */
(int)cy_pci_irq);
printk("%d channels starting from port %d.\n",
cy_pci_nchan, cy_next_channel);
+ for (j = cy_next_channel;
+ j < cy_next_channel + cy_pci_nchan; j++)
+ tty_register_device(cy_serial_driver, j, &pdev->dev);
cy_next_channel += cy_pci_nchan;
} else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) {
cy_card[j].first_line = cy_next_channel;
cy_card[j].num_chips = -1;
cy_card[j].pdev = pdev;
+ cy_init_card(&cy_card[j], j);
pci_set_drvdata(pdev, &cy_card[j]);
/* print message */
printk("%d channels starting from port %d.\n",
cy_pci_nchan, cy_next_channel);
+ for (j = cy_next_channel;
+ j < cy_next_channel + cy_pci_nchan; j++)
+ tty_register_device(cy_serial_driver, j, &pdev->dev);
cy_next_channel += cy_pci_nchan;
}
return 0;
}
-#endif
-/*
- * ---------------------------------------------------------------------
- * cy_detect_pci() - Test PCI bus presence and Cyclom-Ye/PCI.
- * sets global variables and return the number of PCI boards found.
- * ---------------------------------------------------------------------
- */
-static int __init cy_detect_pci(void)
+static void __devexit cy_pci_remove(struct pci_dev *pdev)
{
-#ifdef CONFIG_PCI
- struct pci_dev *pdev = NULL;
- unsigned int i, device_id, dev_index = 0;
-
- for (i = 0; i < NR_CARDS; i++) {
- /* look for a Cyclades card by vendor and device id */
- while ((device_id = cy_pci_dev_id[dev_index].device) != 0) {
- if ((pdev = pci_get_device(PCI_VENDOR_ID_CYCLADES,
- device_id, pdev)) == NULL) {
- dev_index++; /* try next device id */
- } else {
- break; /* found a board */
- }
- }
-
- if (device_id == 0)
- break;
-
- i -= !!cy_pci_probe(pdev, &cy_pci_dev_id[dev_index]);
- }
-
- return i;
-#else
- return 0;
-#endif /* ifdef CONFIG_PCI */
-} /* cy_detect_pci */
-
-static void __devexit cy_pci_release(struct pci_dev *pdev)
-{
-#ifdef CONFIG_PCI
struct cyclades_card *cinfo = pci_get_drvdata(pdev);
+ unsigned int i;
+
+ /* non-Z with old PLX */
+ if (!IS_CYC_Z(*cinfo) && (readb(cinfo->base_addr + CyPLX_VER) & 0x0f) ==
+ PLX_9050)
+ cy_writeb(cinfo->ctl_addr + 0x4c, 0);
+ else
+#ifndef CONFIG_CYZ_INTR
+ if (!IS_CYC_Z(*cinfo))
+#endif
+ cy_writew(cinfo->ctl_addr + 0x68,
+ readw(cinfo->ctl_addr + 0x68) & ~0x0900);
pci_iounmap(pdev, cinfo->base_addr);
if (cinfo->ctl_addr)
pci_iounmap(pdev, cinfo->ctl_addr);
if (cinfo->irq
#ifndef CONFIG_CYZ_INTR
- && cinfo->num_chips != -1 /* not a Z card */
+ && !IS_CYC_Z(*cinfo)
#endif /* CONFIG_CYZ_INTR */
)
free_irq(cinfo->irq, cinfo);
pci_release_regions(pdev);
cinfo->base_addr = NULL;
-#endif
+ for (i = cinfo->first_line; i < cinfo->first_line + cinfo->nports; i++){
+ cy_port[i].line = -1;
+ cy_port[i].magic = -1;
+ }
+ for (i = cinfo->first_line; i < cinfo->first_line +
+ cinfo->nports; i++)
+ tty_unregister_device(cy_serial_driver, i);
}
+static struct pci_driver cy_pci_driver = {
+ .name = "cyclades",
+ .id_table = cy_pci_dev_id,
+ .probe = cy_pci_probe,
+ .remove = __devexit_p(cy_pci_remove)
+};
+#endif
+
/*
* This routine prints out the appropriate serial driver version number
* and identifies which options were configured into this driver.
static int __init cy_init(void)
{
- struct cyclades_port *info;
- struct cyclades_card *cinfo;
- int number_z_boards = 0;
- int board, port, i, index;
- unsigned long mailbox;
- unsigned short chip_number;
- int nports;
+ unsigned int i, nboards;
+ int retval = -ENOMEM;
cy_serial_driver = alloc_tty_driver(NR_PORTS);
if (!cy_serial_driver)
- return -ENOMEM;
+ goto err;
show_version();
/* Initialize the tty_driver structure */
cy_serial_driver->init_termios = tty_std_termios;
cy_serial_driver->init_termios.c_cflag =
B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- cy_serial_driver->flags = TTY_DRIVER_REAL_RAW;
+ cy_serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
tty_set_operations(cy_serial_driver, &cy_ops);
- if (tty_register_driver(cy_serial_driver))
- panic("Couldn't register Cyclades serial driver\n");
+ retval = tty_register_driver(cy_serial_driver);
+ if (retval) {
+ printk(KERN_ERR "Couldn't register Cyclades serial driver\n");
+ goto err_frtty;
+ }
for (i = 0; i < NR_CARDS; i++) {
/* base_addr=0 indicates board not found */
cy_card[i].base_addr = NULL;
}
+ /* invalidate remaining cy_port structures */
+ for (i = 0; i < NR_PORTS; i++) {
+ cy_port[i].line = -1;
+ cy_port[i].magic = -1;
+ }
+
/* the code below is responsible to find the boards. Each different
type of board has its own detection routine. If a board is found,
the next cy_card structure available is set by the detection
the cy_next_channel. */
/* look for isa boards */
- cy_isa_nboard = cy_detect_isa();
+ nboards = cy_detect_isa();
+#ifdef CONFIG_PCI
/* look for pci boards */
- cy_pci_nboard = cy_detect_pci();
-
- cy_nboard = cy_isa_nboard + cy_pci_nboard;
-
- /* invalidate remaining cy_card structures */
- for (i = 0; i < NR_CARDS; i++) {
- if (cy_card[i].base_addr == 0) {
- cy_card[i].first_line = -1;
- cy_card[i].ctl_addr = NULL;
- cy_card[i].irq = 0;
- cy_card[i].bus_index = 0;
- cy_card[i].first_line = 0;
- cy_card[i].num_chips = 0;
- }
- }
- /* invalidate remaining cy_port structures */
- for (i = cy_next_channel; i < NR_PORTS; i++) {
- cy_port[i].line = -1;
- cy_port[i].magic = -1;
- }
-
- /* initialize per-port data structures for each valid board found */
- for (board = 0; board < cy_nboard; board++) {
- cinfo = &cy_card[board];
- if (cinfo->num_chips == -1) { /* Cyclades-Z */
- number_z_boards++;
- mailbox = readl(&((struct RUNTIME_9060 __iomem *)
- cy_card[board].ctl_addr)->
- mail_box_0);
- nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8;
- cinfo->intr_enabled = 0;
- cinfo->nports = 0; /* Will be correctly set later, after
- Z FW is loaded */
- spin_lock_init(&cinfo->card_lock);
- for (port = cinfo->first_line;
- port < cinfo->first_line + nports; port++) {
- info = &cy_port[port];
- info->magic = CYCLADES_MAGIC;
- info->type = PORT_STARTECH;
- info->card = board;
- info->line = port;
- info->chip_rev = 0;
- info->flags = STD_COM_FLAGS;
- info->tty = NULL;
- if (mailbox == ZO_V1)
- info->xmit_fifo_size = CYZ_FIFO_SIZE;
- else
- info->xmit_fifo_size =
- 4 * CYZ_FIFO_SIZE;
- info->cor1 = 0;
- info->cor2 = 0;
- info->cor3 = 0;
- info->cor4 = 0;
- info->cor5 = 0;
- info->tbpr = 0;
- info->tco = 0;
- info->rbpr = 0;
- info->rco = 0;
- info->custom_divisor = 0;
- info->close_delay = 5 * HZ / 10;
- info->closing_wait = CLOSING_WAIT_DELAY;
- info->icount.cts = info->icount.dsr =
- info->icount.rng = info->icount.dcd = 0;
- info->icount.rx = info->icount.tx = 0;
- info->icount.frame = info->icount.parity = 0;
- info->icount.overrun = info->icount.brk = 0;
- info->x_char = 0;
- info->event = 0;
- info->count = 0;
- info->blocked_open = 0;
- info->default_threshold = 0;
- info->default_timeout = 0;
- INIT_WORK(&info->tqueue, do_softint);
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
- init_waitqueue_head(&info->shutdown_wait);
- init_waitqueue_head(&info->delta_msr_wait);
- /* info->session */
- /* info->pgrp */
- info->read_status_mask = 0;
- /* info->timeout */
- /* Bentson's vars */
- info->jiffies[0] = 0;
- info->jiffies[1] = 0;
- info->jiffies[2] = 0;
- info->rflush_count = 0;
-#ifdef CONFIG_CYZ_INTR
- init_timer(&cyz_rx_full_timer[port]);
- cyz_rx_full_timer[port].function = NULL;
+ retval = pci_register_driver(&cy_pci_driver);
+ if (retval && !nboards)
+ goto err_unr;
#endif
- }
- continue;
- } else { /* Cyclom-Y of some kind */
- index = cinfo->bus_index;
- spin_lock_init(&cinfo->card_lock);
- cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips;
- for (port = cinfo->first_line;
- port < cinfo->first_line + cinfo->nports; port++) {
- info = &cy_port[port];
- info->magic = CYCLADES_MAGIC;
- info->type = PORT_CIRRUS;
- info->card = board;
- info->line = port;
- info->flags = STD_COM_FLAGS;
- info->tty = NULL;
- info->xmit_fifo_size = CyMAX_CHAR_FIFO;
- info->cor1 =
- CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS;
- info->cor2 = CyETC;
- info->cor3 = 0x08; /* _very_ small rcv threshold */
- info->cor4 = 0;
- info->cor5 = 0;
- info->custom_divisor = 0;
- info->close_delay = 5 * HZ / 10;
- info->closing_wait = CLOSING_WAIT_DELAY;
- info->icount.cts = info->icount.dsr =
- info->icount.rng = info->icount.dcd = 0;
- info->icount.rx = info->icount.tx = 0;
- info->icount.frame = info->icount.parity = 0;
- info->icount.overrun = info->icount.brk = 0;
- chip_number = (port - cinfo->first_line) / 4;
- if ((info->chip_rev =
- readb(cinfo->base_addr +
- (cy_chip_offset[chip_number] <<
- index) + (CyGFRCR << index))) >=
- CD1400_REV_J) {
- /* It is a CD1400 rev. J or later */
- info->tbpr = baud_bpr_60[13]; /* Tx BPR */
- info->tco = baud_co_60[13]; /* Tx CO */
- info->rbpr = baud_bpr_60[13]; /* Rx BPR */
- info->rco = baud_co_60[13]; /* Rx CO */
- info->rflow = 0;
- info->rtsdtr_inv = 1;
- } else {
- info->tbpr = baud_bpr_25[13]; /* Tx BPR */
- info->tco = baud_co_25[13]; /* Tx CO */
- info->rbpr = baud_bpr_25[13]; /* Rx BPR */
- info->rco = baud_co_25[13]; /* Rx CO */
- info->rflow = 0;
- info->rtsdtr_inv = 0;
- }
- info->x_char = 0;
- info->event = 0;
- info->count = 0;
- info->blocked_open = 0;
- info->default_threshold = 0;
- info->default_timeout = 0;
- INIT_WORK(&info->tqueue, do_softint);
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
- init_waitqueue_head(&info->shutdown_wait);
- init_waitqueue_head(&info->delta_msr_wait);
- /* info->session */
- /* info->pgrp */
- info->read_status_mask =
- CyTIMEOUT | CySPECHAR | CyBREAK
- | CyPARITY | CyFRAME | CyOVERRUN;
- /* info->timeout */
- }
- }
- }
-
-#ifndef CONFIG_CYZ_INTR
- if (number_z_boards) {
- mod_timer(&cyz_timerlist, jiffies + 1);
-#ifdef CY_PCI_DEBUG
- printk("Cyclades-Z polling initialized\n");
-#endif
- }
-#endif /* CONFIG_CYZ_INTR */
return 0;
-
+err_unr:
+ tty_unregister_driver(cy_serial_driver);
+err_frtty:
+ put_tty_driver(cy_serial_driver);
+err:
+ return retval;
} /* cy_init */
static void __exit cy_cleanup_module(void)
put_tty_driver(cy_serial_driver);
+#ifdef CONFIG_PCI
+ pci_unregister_driver(&cy_pci_driver);
+#endif
+
for (i = 0; i < NR_CARDS; i++) {
if (cy_card[i].base_addr) {
- if (cy_card[i].pdev) {
- cy_pci_release(cy_card[i].pdev);
- continue;
- }
+ /* clear interrupt */
+ cy_writeb(cy_card[i].base_addr + Cy_ClrIntr, 0);
iounmap(cy_card[i].base_addr);
if (cy_card[i].ctl_addr)
iounmap(cy_card[i].ctl_addr);
if (cy_card[i].irq
#ifndef CONFIG_CYZ_INTR
- && cy_card[i].num_chips != -1 /* not a Z card */
+ && !IS_CYC_Z(cy_card[i])
#endif /* CONFIG_CYZ_INTR */
)
free_irq(cy_card[i].irq, &cy_card[i]);
+ for (e1 = cy_card[i].first_line;
+ e1 < cy_card[i].first_line +
+ cy_card[i].nports; e1++)
+ tty_unregister_device(cy_serial_driver, e1);
}
}
} /* cy_cleanup_module */
projects / linux-2.6 / blobdiff