diff options
Diffstat (limited to 'drivers/parport/parport_serial.c')
| -rw-r--r-- | drivers/parport/parport_serial.c | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c index 032db815b0f9..c3bb84ac931e 100644 --- a/drivers/parport/parport_serial.c +++ b/drivers/parport/parport_serial.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/interrupt.h> #include <linux/parport.h> #include <linux/parport_pc.h> #include <linux/8250_pci.h> @@ -30,6 +31,7 @@ enum parport_pc_pci_cards { titan_210l, netmos_9xx5_combo, netmos_9855, + netmos_9855_2p, avlab_1s1p, avlab_1s2p, avlab_2s1p, @@ -62,7 +64,7 @@ struct parport_pc_pci { struct parport_pc_pci *card, int failed); }; -static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *card, int autoirq, int autodma) +static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc_pci *par, int autoirq, int autodma) { /* the rule described below doesn't hold for this device */ if (dev->device == PCI_DEVICE_ID_NETMOS_9835 && @@ -74,9 +76,17 @@ static int __devinit netmos_parallel_init(struct pci_dev *dev, struct parport_pc * and serial ports. The form is 0x00PS, where <P> is the number of * parallel ports and <S> is the number of serial ports. */ - card->numports = (dev->subsystem_device & 0xf0) >> 4; - if (card->numports > ARRAY_SIZE(card->addr)) - card->numports = ARRAY_SIZE(card->addr); + par->numports = (dev->subsystem_device & 0xf0) >> 4; + if (par->numports > ARRAY_SIZE(par->addr)) + par->numports = ARRAY_SIZE(par->addr); + /* + * This function is currently only called for cards with up to + * one parallel port. + * Parallel port BAR is either before or after serial ports BARS; + * hence, lo should be either 0 or equal to the number of serial ports. + */ + if (par->addr[0].lo != 0) + par->addr[0].lo = dev->subsystem_device & 0xf; return 0; } @@ -84,7 +94,8 @@ static struct parport_pc_pci cards[] __devinitdata = { /* titan_110l */ { 1, { { 3, -1 }, } }, /* titan_210l */ { 1, { { 3, -1 }, } }, /* netmos_9xx5_combo */ { 1, { { 2, -1 }, }, netmos_parallel_init }, - /* netmos_9855 */ { 1, { { 2, -1 }, }, netmos_parallel_init }, + /* netmos_9855 */ { 1, { { 0, -1 }, }, netmos_parallel_init }, + /* netmos_9855_2p */ { 2, { { 0, -1 }, { 2, -1 }, } }, /* avlab_1s1p */ { 1, { { 1, 2}, } }, /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, /* avlab_2s1p */ { 1, { { 2, 3}, } }, @@ -110,6 +121,10 @@ static struct pci_device_id parport_serial_pci_tbl[] = { { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9845, PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, + 0x1000, 0x0020, 0, 0, netmos_9855_2p }, + { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, + 0x1000, 0x0022, 0, 0, netmos_9855_2p }, + { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9855 }, /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ { PCI_VENDOR_ID_AFAVLAB, 0x2110, @@ -192,6 +207,12 @@ static struct pciserial_board pci_parport_serial_boards[] __devinitdata = { .uart_offset = 8, }, [netmos_9855] = { + .flags = FL_BASE2 | FL_BASE_BARS, + .num_ports = 1, + .base_baud = 115200, + .uart_offset = 8, + }, + [netmos_9855_2p] = { .flags = FL_BASE4 | FL_BASE_BARS, .num_ports = 1, .base_baud = 115200, @@ -291,6 +312,7 @@ static int __devinit parport_register (struct pci_dev *dev, int lo = card->addr[n].lo; int hi = card->addr[n].hi; unsigned long io_lo, io_hi; + int irq; if (priv->num_par == ARRAY_SIZE (priv->port)) { printk (KERN_WARNING @@ -309,10 +331,20 @@ static int __devinit parport_register (struct pci_dev *dev, "hi" as an offset (see SYBA def.) */ /* TODO: test if sharing interrupts works */ - dev_dbg(&dev->dev, "PCI parallel port detected: I/O at " - "%#lx(%#lx)\n", io_lo, io_hi); - port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE, - PARPORT_DMA_NONE, &dev->dev); + irq = dev->irq; + if (irq == IRQ_NONE) { + dev_dbg(&dev->dev, + "PCI parallel port detected: I/O at %#lx(%#lx)\n", + io_lo, io_hi); + irq = PARPORT_IRQ_NONE; + } else { + dev_dbg(&dev->dev, + "PCI parallel port detected: I/O at %#lx(%#lx), IRQ %d\n", + io_lo, io_hi, irq); + irq = PARPORT_IRQ_NONE; + } + port = parport_pc_probe_port (io_lo, io_hi, irq, + PARPORT_DMA_NONE, &dev->dev, IRQF_SHARED); if (port) { priv->port[priv->num_par++] = port; success = 1; |