mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 18:36:39 +07:00
3abdbf90a3
Since netmos 9835 with subids 0x1014(IBM):0x0299 is now bound with serial/8250_pci, because it has no parallel ports and subdevice id isn't in the expected form, return -ENODEV from probe function. This is performed in netmos preinit_hook. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
454 lines
13 KiB
C
454 lines
13 KiB
C
/*
|
|
* 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)
|
|
{
|
|
/* the rule described below doesn't hold for this device */
|
|
if (dev->device == PCI_DEVICE_ID_NETMOS_9835 &&
|
|
dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
|
|
dev->subsystem_device == 0x0299)
|
|
return -ENODEV;
|
|
/*
|
|
* 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;
|
|
if (card->numports > ARRAY_SIZE(card->addr))
|
|
card->numports = ARRAY_SIZE(card->addr);
|
|
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);
|