patch-2.4.27 linux-2.4.27/drivers/parport/parport_serial.c
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- Lines: 427
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.26/drivers/parport/parport_serial.c
- Orig date:
2002-08-02 17:39:44.000000000 -0700
diff -urN linux-2.4.26/drivers/parport/parport_serial.c linux-2.4.27/drivers/parport/parport_serial.c
@@ -1,426 +0,0 @@
-/*
- * 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 <asm/serial.h>
-
-enum parport_pc_pci_cards {
- titan_110l = 0,
- titan_210l,
- 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 */
-static 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, 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, int failed);
-} cards[] __devinitdata = {
- /* titan_110l */ { 1, { { 3, -1 }, } },
- /* titan_210l */ { 1, { { 3, -1 }, } },
- /* 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[] __devinitdata = {
- /* 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_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, NULL, enable);
-}
-
-static int __devinit siig20x_init_fn(struct pci_dev *dev, struct pci_board_no_ids *board, int enable)
-{
- return pci_siig20x_fn(dev, NULL, enable);
-}
-
-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 },
-/* 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];
-};
-
-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 = &pci_boards[id->driver_data];
- struct parport_serial_private *priv = pci_get_drvdata (dev);
- struct serial_struct serial_req;
- int base_baud;
- int k;
- int success = 0;
-
- priv->ser = *board;
- 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;
- 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_serial_private *priv = pci_get_drvdata (dev);
- int i = id->driver_data, n;
- int success = 0;
-
- if (cards[i].preinit_hook &&
- cards[i].preinit_hook (dev, PARPORT_IRQ_NONE, PARPORT_DMA_NONE))
- return -ENODEV;
-
- for (n = 0; n < cards[i].numports; n++) {
- struct parport *port;
- int lo = cards[i].addr[n].lo;
- int hi = cards[i].addr[n].hi;
- unsigned long io_lo, io_hi;
- 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 (cards[i].postinit_hook)
- cards[i].postinit_hook (dev, !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);
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