/* * 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/serial.h> #include <linux/serialP.h> #include <linux/list.h> #include <linux/8250_pci.h> #include <asm/serial.h> enum parport_pc_pci_cards { titan_110l = 0, titan_210l, netmos_9xx5_combo, netmos_9855, avlab_1s1p, avlab_1s1p_650, avlab_1s1p_850, avlab_1s2p, avlab_1s2p_650, avlab_1s2p_850, avlab_2s1p, avlab_2s1p_650, avlab_2s1p_850, 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_1s1p_650 */ { 1, { { 1, 2}, } }, /* avlab_1s1p_850 */ { 1, { { 1, 2}, } }, /* avlab_1s2p */ { 2, { { 1, 2}, { 3, 4 },} }, /* avlab_1s2p_650 */ { 2, { { 1, 2}, { 3, 4 },} }, /* avlab_1s2p_850 */ { 2, { { 1, 2}, { 3, 4 },} }, /* avlab_2s1p */ { 1, { { 2, 3}, } }, /* avlab_2s1p_650 */ { 1, { { 2, 3}, } }, /* avlab_2s1p_850 */ { 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_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 ...*/ { 0x14db, 0x2110, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p}, { 0x14db, 0x2111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p_650}, { 0x14db, 0x2112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s1p_850}, { 0x14db, 0x2140, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p}, { 0x14db, 0x2141, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p_650}, { 0x14db, 0x2142, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1s2p_850}, { 0x14db, 0x2160, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p}, { 0x14db, 0x2161, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p_650}, { 0x14db, 0x2162, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2s1p_850}, { 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); struct pci_board_no_ids { int flags; int num_ports; int base_baud; int uart_offset; int reg_shift; int (*init_fn)(struct pci_dev *dev, struct pci_board_no_ids *board, int enable); int first_uart_offset; }; static int __devinit siig10x_init_fn(struct pci_dev *dev, struct pci_board_no_ids *board, int enable) { return pci_siig10x_fn(dev, enable); } static int __devinit siig20x_init_fn(struct pci_dev *dev, struct pci_board_no_ids *board, int enable) { return pci_siig20x_fn(dev, enable); } static int __devinit netmos_serial_init(struct pci_dev *dev, struct pci_board_no_ids *board, int enable) { board->num_ports = dev->subsystem_device & 0xf; return 0; } static struct pci_board_no_ids pci_boards[] __devinitdata = { /* * PCI Flags, Number of Ports, Base (Maximum) Baud Rate, * Offset to get to next UART's registers, * Register shift to use for memory-mapped I/O, * Initialization function, first UART offset */ // Cards not tested are marked n/t // If you have one of these cards and it works for you, please tell me.. /* titan_110l */ { SPCI_FL_BASE1 | SPCI_FL_BASE_TABLE, 1, 921600 }, /* titan_210l */ { SPCI_FL_BASE1 | SPCI_FL_BASE_TABLE, 2, 921600 }, /* netmos_9xx5_combo */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200, 0, 0, netmos_serial_init }, /* netmos_9855 */ { SPCI_FL_BASE2 | SPCI_FL_BASE_TABLE, 1, 115200, 0, 0, netmos_serial_init }, /* avlab_1s1p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 }, /* avlab_1s1p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 }, /* avlab_1s1p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 }, /* avlab_1s2p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 }, /* avlab_1s2p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 }, /* avlab_1s2p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 1, 115200 }, /* avlab_2s1p (n/t) */ { SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 }, /* avlab_2s1p_650 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 }, /* avlab_2s1p_850 (nt)*/{ SPCI_FL_BASE0 | SPCI_FL_BASE_TABLE, 2, 115200 }, /* siig_1s1p_10x */ { SPCI_FL_BASE2, 1, 460800, 0, 0, siig10x_init_fn }, /* siig_2s1p_10x */ { SPCI_FL_BASE2, 1, 921600, 0, 0, siig10x_init_fn }, /* siig_2p1s_20x */ { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn }, /* siig_1s1p_20x */ { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn }, /* siig_2s1p_20x */ { SPCI_FL_BASE0, 1, 921600, 0, 0, siig20x_init_fn }, }; struct parport_serial_private { int num_ser; int line[20]; struct pci_board_no_ids ser; int num_par; struct parport *port[PARPORT_MAX]; struct parport_pc_pci par; }; static int __devinit get_pci_port (struct pci_dev *dev, struct pci_board_no_ids *board, struct serial_struct *req, int idx) { unsigned long port; int base_idx; int max_port; int offset; base_idx = SPCI_FL_GET_BASE(board->flags); if (board->flags & SPCI_FL_BASE_TABLE) base_idx += idx; if (board->flags & SPCI_FL_REGION_SZ_CAP) { max_port = pci_resource_len(dev, base_idx) / 8; if (idx >= max_port) return 1; } offset = board->first_uart_offset; /* Timedia/SUNIX uses a mixture of BARs and offsets */ /* Ugh, this is ugly as all hell --- TYT */ if(dev->vendor == PCI_VENDOR_ID_TIMEDIA ) /* 0x1409 */ switch(idx) { case 0: base_idx=0; break; case 1: base_idx=0; offset=8; break; case 2: base_idx=1; break; case 3: base_idx=1; offset=8; break; case 4: /* BAR 2*/ case 5: /* BAR 3 */ case 6: /* BAR 4*/ case 7: base_idx=idx-2; /* BAR 5*/ } port = pci_resource_start(dev, base_idx) + offset; if ((board->flags & SPCI_FL_BASE_TABLE) == 0) port += idx * (board->uart_offset ? board->uart_offset : 8); if (pci_resource_flags (dev, base_idx) & IORESOURCE_IO) { int high_bits_offset = ((sizeof(long)-sizeof(int))*8); req->port = port; if (high_bits_offset) req->port_high = port >> high_bits_offset; else req->port_high = 0; return 0; } req->io_type = SERIAL_IO_MEM; req->iomem_base = ioremap(port, board->uart_offset); req->iomem_reg_shift = board->reg_shift; req->port = 0; return req->iomem_base ? 0 : 1; } /* 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 pci_board_no_ids *board; struct parport_serial_private *priv = pci_get_drvdata (dev); struct serial_struct serial_req; int base_baud; int k; int success = 0; priv->ser = pci_boards[id->driver_data]; board = &priv->ser; if (board->init_fn && ((board->init_fn) (dev, board, 1) != 0)) return 1; base_baud = board->base_baud; if (!base_baud) base_baud = BASE_BAUD; memset (&serial_req, 0, sizeof (serial_req)); for (k = 0; k < board->num_ports; k++) { int line; if (priv->num_ser == ARRAY_SIZE (priv->line)) { printk (KERN_WARNING "parport_serial: %s: only %u serial lines " "supported (%d reported)\n", pci_name (dev), ARRAY_SIZE (priv->line), board->num_ports); break; } serial_req.irq = dev->irq; if (get_pci_port (dev, board, &serial_req, k)) break; serial_req.flags = ASYNC_SKIP_TEST | ASYNC_AUTOPROBE; serial_req.baud_base = base_baud; line = register_serial (&serial_req); if (line < 0) { printk (KERN_DEBUG "parport_serial: register_serial failed\n"); continue; } priv->line[priv->num_ser++] = line; success = 1; } return success ? 0 : 1; } /* 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 i = id->driver_data, n; int 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 %u 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 */ printk (KERN_DEBUG "PCI parallel port detected: %04x:%04x, " "I/O at %#lx(%#lx)\n", parport_serial_pci_tbl[i].vendor, parport_serial_pci_tbl[i].device, 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 success ? 0 : 1; } 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; priv->num_ser = priv->num_par = 0; 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; // Serial ports for (i = 0; i < priv->num_ser; i++) { unregister_serial (priv->line[i]); if (priv->ser.init_fn) (priv->ser.init_fn) (dev, &priv->ser, 0); } pci_set_drvdata (dev, NULL); // Parallel ports for (i = 0; i < priv->num_par; i++) parport_pc_unregister_port (priv->port[i]); kfree (priv); return; } 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), }; static int __init parport_serial_init (void) { return pci_module_init (&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);