/* * 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, { { 2, -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_BASE4 | 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->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 = kzalloc (sizeof *priv, GFP_KERNEL); if (!priv) return -ENOMEM; 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); int err; pci_set_power_state(dev, PCI_D0); pci_restore_state(dev); /* * The device may have been disabled. Re-enable it. */ err = pci_enable_device(dev); if (err) { printk(KERN_ERR "parport_serial: %s: error enabling " "device for resume (%d)\n", pci_name(dev), err); return err; } 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);