| /* |
| * Support for common PCI multi-I/O cards (which is most of them) |
| * |
| * Copyright (C) 2001 Tim Waugh <twaugh@redhat.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 of the License, or (at your option) any later version. |
| * |
| * |
| * Multi-function PCI cards are supposed to present separate logical |
| * devices on the bus. A common thing to do seems to be to just use |
| * one logical device with lots of base address registers for both |
| * parallel ports and serial ports. This driver is for dealing with |
| * that. |
| * |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/pci.h> |
| #include <linux/parport.h> |
| #include <linux/parport_pc.h> |
| #include <linux/8250_pci.h> |
| |
| enum parport_pc_pci_cards { |
| titan_110l = 0, |
| titan_210l, |
| netmos_9xx5_combo, |
| netmos_9855, |
| avlab_1s1p, |
| avlab_1s2p, |
| avlab_2s1p, |
| siig_1s1p_10x, |
| siig_2s1p_10x, |
| siig_2p1s_20x, |
| siig_1s1p_20x, |
| siig_2s1p_20x, |
| }; |
| |
| /* each element directly indexed from enum list, above */ |
| struct parport_pc_pci { |
| int numports; |
| struct { /* BAR (base address registers) numbers in the config |
| space header */ |
| int lo; |
| int hi; /* -1 if not there, >6 for offset-method (max |
| BAR is 6) */ |
| } addr[4]; |
| |
| /* If set, this is called immediately after pci_enable_device. |
| * If it returns non-zero, no probing will take place and the |
| * ports will not be used. */ |
| int (*preinit_hook) (struct pci_dev *pdev, struct parport_pc_pci *card, |
| int autoirq, int autodma); |
| |
| /* If set, this is called after probing for ports. If 'failed' |
| * is non-zero we couldn't use any of the ports. */ |
| void (*postinit_hook) (struct pci_dev *pdev, |
| 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) |
| { |
| /* |
| * Netmos uses the subdevice ID to indicate the number of parallel |
| * 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; |
| return 0; |
| } |
| |
| 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, { { 0, -1 }, }, netmos_parallel_init }, |
| /* avlab_1s1p */ { 1, { { 1, 2}, } }, |
| /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, |
| /* avlab_2s1p */ { 1, { { 2, 3}, } }, |
| /* siig_1s1p_10x */ { 1, { { 3, 4 }, } }, |
| /* siig_2s1p_10x */ { 1, { { 4, 5 }, } }, |
| /* siig_2p1s_20x */ { 2, { { 1, 2 }, { 3, 4 }, } }, |
| /* siig_1s1p_20x */ { 1, { { 1, 2 }, } }, |
| /* siig_2s1p_20x */ { 1, { { 2, 3 }, } }, |
| }; |
| |
| static struct pci_device_id parport_serial_pci_tbl[] = { |
| /* PCI cards */ |
| { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_110L, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_110l }, |
| { PCI_VENDOR_ID_TITAN, PCI_DEVICE_ID_TITAN_210L, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, titan_210l }, |
| { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9735, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, |
| { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9745, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, |
| { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9xx5_combo }, |
| { 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, |
| 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, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2111, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2112, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2140, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2141, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2142, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2160, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2161, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, |
| { PCI_VENDOR_ID_AFAVLAB, 0x2162, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_550, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_650, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_10x_850, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_10x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_550, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_650, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_10x_850, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_10x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_550, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_650, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2P1S_20x_850, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2p1s_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_550, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_650, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_1S1P_20x_850, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_1s1p_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_650, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, |
| { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_850, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, siig_2s1p_20x }, |
| |
| { 0, } /* terminate list */ |
| }; |
| MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); |
| |
| /* |
| * This table describes the serial "geometry" of these boards. Any |
| * quirks for these can be found in drivers/serial/8250_pci.c |
| * |
| * Cards not tested are marked n/t |
| * If you have one of these cards and it works for you, please tell me.. |
| */ |
| static struct pciserial_board pci_parport_serial_boards[] __devinitdata = { |
| [titan_110l] = { |
| .flags = FL_BASE1 | FL_BASE_BARS, |
| .num_ports = 1, |
| .base_baud = 921600, |
| .uart_offset = 8, |
| }, |
| [titan_210l] = { |
| .flags = FL_BASE1 | FL_BASE_BARS, |
| .num_ports = 2, |
| .base_baud = 921600, |
| .uart_offset = 8, |
| }, |
| [netmos_9xx5_combo] = { |
| .flags = FL_BASE0 | FL_BASE_BARS, |
| .num_ports = 1, |
| .base_baud = 115200, |
| .uart_offset = 8, |
| }, |
| [netmos_9855] = { |
| .flags = FL_BASE2 | FL_BASE_BARS, |
| .num_ports = 1, |
| .base_baud = 115200, |
| .uart_offset = 8, |
| }, |
| [avlab_1s1p] = { /* n/t */ |
| .flags = FL_BASE0 | FL_BASE_BARS, |
| .num_ports = 1, |
| .base_baud = 115200, |
| .uart_offset = 8, |
| }, |
| [avlab_1s2p] = { /* n/t */ |
| .flags = FL_BASE0 | FL_BASE_BARS, |
| .num_ports = 1, |
| .base_baud = 115200, |
| .uart_offset = 8, |
| }, |
| [avlab_2s1p] = { /* n/t */ |
| .flags = FL_BASE0 | FL_BASE_BARS, |
| .num_ports = 2, |
| .base_baud = 115200, |
| .uart_offset = 8, |
| }, |
| [siig_1s1p_10x] = { |
| .flags = FL_BASE2, |
| .num_ports = 1, |
| .base_baud = 460800, |
| .uart_offset = 8, |
| }, |
| [siig_2s1p_10x] = { |
| .flags = FL_BASE2, |
| .num_ports = 1, |
| .base_baud = 921600, |
| .uart_offset = 8, |
| }, |
| [siig_2p1s_20x] = { |
| .flags = FL_BASE0, |
| .num_ports = 1, |
| .base_baud = 921600, |
| .uart_offset = 8, |
| }, |
| [siig_1s1p_20x] = { |
| .flags = FL_BASE0, |
| .num_ports = 1, |
| .base_baud = 921600, |
| .uart_offset = 8, |
| }, |
| [siig_2s1p_20x] = { |
| .flags = FL_BASE0, |
| .num_ports = 1, |
| .base_baud = 921600, |
| .uart_offset = 8, |
| }, |
| }; |
| |
| struct parport_serial_private { |
| struct serial_private *serial; |
| int num_par; |
| struct parport *port[PARPORT_MAX]; |
| struct parport_pc_pci par; |
| }; |
| |
| /* Register the serial port(s) of a PCI card. */ |
| static int __devinit serial_register (struct pci_dev *dev, |
| const struct pci_device_id *id) |
| { |
| struct parport_serial_private *priv = pci_get_drvdata (dev); |
| struct pciserial_board *board; |
| struct serial_private *serial; |
| |
| board = &pci_parport_serial_boards[id->driver_data]; |
| serial = pciserial_init_ports(dev, board); |
| |
| if (IS_ERR(serial)) |
| return PTR_ERR(serial); |
| |
| priv->serial = serial; |
| return 0; |
| } |
| |
| /* Register the parallel port(s) of a PCI card. */ |
| static int __devinit parport_register (struct pci_dev *dev, |
| const struct pci_device_id *id) |
| { |
| struct parport_pc_pci *card; |
| struct parport_serial_private *priv = pci_get_drvdata (dev); |
| int n, success = 0; |
| |
| priv->par = cards[id->driver_data]; |
| card = &priv->par; |
| if (card->preinit_hook && |
| card->preinit_hook (dev, card, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) |
| return -ENODEV; |
| |
| for (n = 0; n < card->numports; n++) { |
| struct parport *port; |
| int lo = card->addr[n].lo; |
| int hi = card->addr[n].hi; |
| unsigned long io_lo, io_hi; |
| |
| if (priv->num_par == ARRAY_SIZE (priv->port)) { |
| printk (KERN_WARNING |
| "parport_serial: %s: only %zu parallel ports " |
| "supported (%d reported)\n", pci_name (dev), |
| ARRAY_SIZE(priv->port), card->numports); |
| break; |
| } |
| |
| io_lo = pci_resource_start (dev, lo); |
| io_hi = 0; |
| if ((hi >= 0) && (hi <= 6)) |
| io_hi = pci_resource_start (dev, hi); |
| else if (hi > 6) |
| io_lo += hi; /* Reinterpret the meaning of |
| "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); |
| if (port) { |
| priv->port[priv->num_par++] = port; |
| success = 1; |
| } |
| } |
| |
| if (card->postinit_hook) |
| card->postinit_hook (dev, card, !success); |
| |
| return 0; |
| } |
| |
| static int __devinit parport_serial_pci_probe (struct pci_dev *dev, |
| const struct pci_device_id *id) |
| { |
| struct parport_serial_private *priv; |
| int err; |
| |
| priv = kmalloc (sizeof *priv, GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| memset(priv, 0, sizeof(struct parport_serial_private)); |
| pci_set_drvdata (dev, priv); |
| |
| err = pci_enable_device (dev); |
| if (err) { |
| pci_set_drvdata (dev, NULL); |
| kfree (priv); |
| return err; |
| } |
| |
| if (parport_register (dev, id)) { |
| pci_set_drvdata (dev, NULL); |
| kfree (priv); |
| return -ENODEV; |
| } |
| |
| if (serial_register (dev, id)) { |
| int i; |
| for (i = 0; i < priv->num_par; i++) |
| parport_pc_unregister_port (priv->port[i]); |
| pci_set_drvdata (dev, NULL); |
| kfree (priv); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static void __devexit parport_serial_pci_remove (struct pci_dev *dev) |
| { |
| struct parport_serial_private *priv = pci_get_drvdata (dev); |
| int i; |
| |
| pci_set_drvdata(dev, NULL); |
| |
| // Serial ports |
| if (priv->serial) |
| pciserial_remove_ports(priv->serial); |
| |
| // Parallel ports |
| for (i = 0; i < priv->num_par; i++) |
| parport_pc_unregister_port (priv->port[i]); |
| |
| kfree (priv); |
| return; |
| } |
| |
| #ifdef CONFIG_PM |
| static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state) |
| { |
| struct parport_serial_private *priv = pci_get_drvdata(dev); |
| |
| if (priv->serial) |
| pciserial_suspend_ports(priv->serial); |
| |
| /* FIXME: What about parport? */ |
| |
| pci_save_state(dev); |
| pci_set_power_state(dev, pci_choose_state(dev, state)); |
| return 0; |
| } |
| |
| static int parport_serial_pci_resume(struct pci_dev *dev) |
| { |
| struct parport_serial_private *priv = pci_get_drvdata(dev); |
| |
| pci_set_power_state(dev, PCI_D0); |
| pci_restore_state(dev); |
| |
| /* |
| * The device may have been disabled. Re-enable it. |
| */ |
| pci_enable_device(dev); |
| |
| if (priv->serial) |
| pciserial_resume_ports(priv->serial); |
| |
| /* FIXME: What about parport? */ |
| |
| return 0; |
| } |
| #endif |
| |
| static struct pci_driver parport_serial_pci_driver = { |
| .name = "parport_serial", |
| .id_table = parport_serial_pci_tbl, |
| .probe = parport_serial_pci_probe, |
| .remove = __devexit_p(parport_serial_pci_remove), |
| #ifdef CONFIG_PM |
| .suspend = parport_serial_pci_suspend, |
| .resume = parport_serial_pci_resume, |
| #endif |
| }; |
| |
| |
| static int __init parport_serial_init (void) |
| { |
| return pci_register_driver (&parport_serial_pci_driver); |
| } |
| |
| static void __exit parport_serial_exit (void) |
| { |
| pci_unregister_driver (&parport_serial_pci_driver); |
| return; |
| } |
| |
| MODULE_AUTHOR("Tim Waugh <twaugh@redhat.com>"); |
| MODULE_DESCRIPTION("Driver for common parallel+serial multi-I/O PCI cards"); |
| MODULE_LICENSE("GPL"); |
| |
| module_init(parport_serial_init); |
| module_exit(parport_serial_exit); |