mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 05:11:48 +00:00
8890624a4e
The EAE PLX-PCI card has special leds on the the main io pci resource bar. This patch adds support to trigger the conflict and data leds with the packages. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
547 lines
11 KiB
C
547 lines
11 KiB
C
/*
|
|
* Linux ARCnet driver - COM20020 PCI support
|
|
* Contemporary Controls PCI20 and SOHARD SH-ARC PCI
|
|
*
|
|
* Written 1994-1999 by Avery Pennarun,
|
|
* based on an ISA version by David Woodhouse.
|
|
* Written 1999-2000 by Martin Mares <mj@ucw.cz>.
|
|
* Derived from skeleton.c by Donald Becker.
|
|
*
|
|
* Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
|
|
* for sponsoring the further development of this driver.
|
|
*
|
|
* **********************
|
|
*
|
|
* The original copyright of skeleton.c was as follows:
|
|
*
|
|
* skeleton.c Written 1993 by Donald Becker.
|
|
* Copyright 1993 United States Government as represented by the
|
|
* Director, National Security Agency. This software may only be used
|
|
* and distributed according to the terms of the GNU General Public License as
|
|
* modified by SRC, incorporated herein by reference.
|
|
*
|
|
* **********************
|
|
*
|
|
* For more details, see drivers/net/arcnet.c
|
|
*
|
|
* **********************
|
|
*/
|
|
|
|
#define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/list.h>
|
|
#include <linux/io.h>
|
|
#include <linux/leds.h>
|
|
|
|
#include "arcdevice.h"
|
|
#include "com20020.h"
|
|
|
|
/* Module parameters */
|
|
|
|
static int node;
|
|
static char device[9]; /* use eg. device="arc1" to change name */
|
|
static int timeout = 3;
|
|
static int backplane;
|
|
static int clockp;
|
|
static int clockm;
|
|
|
|
module_param(node, int, 0);
|
|
module_param_string(device, device, sizeof(device), 0);
|
|
module_param(timeout, int, 0);
|
|
module_param(backplane, int, 0);
|
|
module_param(clockp, int, 0);
|
|
module_param(clockm, int, 0);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static void led_tx_set(struct led_classdev *led_cdev,
|
|
enum led_brightness value)
|
|
{
|
|
struct com20020_dev *card;
|
|
struct com20020_priv *priv;
|
|
struct com20020_pci_card_info *ci;
|
|
|
|
card = container_of(led_cdev, struct com20020_dev, tx_led);
|
|
|
|
priv = card->pci_priv;
|
|
ci = priv->ci;
|
|
|
|
outb(!!value, priv->misc + ci->leds[card->index].green);
|
|
}
|
|
|
|
static void led_recon_set(struct led_classdev *led_cdev,
|
|
enum led_brightness value)
|
|
{
|
|
struct com20020_dev *card;
|
|
struct com20020_priv *priv;
|
|
struct com20020_pci_card_info *ci;
|
|
|
|
card = container_of(led_cdev, struct com20020_dev, recon_led);
|
|
|
|
priv = card->pci_priv;
|
|
ci = priv->ci;
|
|
|
|
outb(!!value, priv->misc + ci->leds[card->index].red);
|
|
}
|
|
|
|
static void com20020pci_remove(struct pci_dev *pdev);
|
|
|
|
static int com20020pci_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
struct com20020_pci_card_info *ci;
|
|
struct com20020_pci_channel_map *mm;
|
|
struct net_device *dev;
|
|
struct arcnet_local *lp;
|
|
struct com20020_priv *priv;
|
|
int i, ioaddr, ret;
|
|
struct resource *r;
|
|
|
|
if (pci_enable_device(pdev))
|
|
return -EIO;
|
|
|
|
priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
|
|
GFP_KERNEL);
|
|
if (!priv)
|
|
return -ENOMEM;
|
|
|
|
ci = (struct com20020_pci_card_info *)id->driver_data;
|
|
priv->ci = ci;
|
|
mm = &ci->misc_map;
|
|
|
|
INIT_LIST_HEAD(&priv->list_dev);
|
|
|
|
if (mm->size) {
|
|
ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
|
|
r = devm_request_region(&pdev->dev, ioaddr, mm->size,
|
|
"com20020-pci");
|
|
if (!r) {
|
|
pr_err("IO region %xh-%xh already allocated.\n",
|
|
ioaddr, ioaddr + mm->size - 1);
|
|
return -EBUSY;
|
|
}
|
|
priv->misc = ioaddr;
|
|
}
|
|
|
|
for (i = 0; i < ci->devcount; i++) {
|
|
struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
|
|
struct com20020_dev *card;
|
|
|
|
dev = alloc_arcdev(device);
|
|
if (!dev) {
|
|
ret = -ENOMEM;
|
|
goto out_port;
|
|
}
|
|
dev->dev_port = i;
|
|
|
|
dev->netdev_ops = &com20020_netdev_ops;
|
|
|
|
lp = netdev_priv(dev);
|
|
|
|
arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
|
|
ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
|
|
|
|
r = devm_request_region(&pdev->dev, ioaddr, cm->size,
|
|
"com20020-pci");
|
|
if (!r) {
|
|
pr_err("IO region %xh-%xh already allocated\n",
|
|
ioaddr, ioaddr + cm->size - 1);
|
|
ret = -EBUSY;
|
|
goto out_port;
|
|
}
|
|
|
|
/* Dummy access after Reset
|
|
* ARCNET controller needs
|
|
* this access to detect bustype
|
|
*/
|
|
arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
|
|
arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
|
|
|
|
dev->base_addr = ioaddr;
|
|
dev->dev_addr[0] = node;
|
|
dev->irq = pdev->irq;
|
|
lp->card_name = "PCI COM20020";
|
|
lp->card_flags = ci->flags;
|
|
lp->backplane = backplane;
|
|
lp->clockp = clockp & 7;
|
|
lp->clockm = clockm & 3;
|
|
lp->timeout = timeout;
|
|
lp->hw.owner = THIS_MODULE;
|
|
|
|
/* Get the dev_id from the PLX rotary coder */
|
|
if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
|
|
dev->dev_id = 0xc;
|
|
dev->dev_id ^= inb(priv->misc + ci->rotary) >> 4;
|
|
|
|
snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
|
|
|
|
if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
|
|
pr_err("IO address %Xh is empty!\n", ioaddr);
|
|
ret = -EIO;
|
|
goto out_port;
|
|
}
|
|
if (com20020_check(dev)) {
|
|
ret = -EIO;
|
|
goto out_port;
|
|
}
|
|
|
|
card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
|
|
GFP_KERNEL);
|
|
if (!card)
|
|
return -ENOMEM;
|
|
|
|
card->index = i;
|
|
card->pci_priv = priv;
|
|
card->tx_led.brightness_set = led_tx_set;
|
|
card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
|
|
GFP_KERNEL, "arc%d-%d-tx",
|
|
dev->dev_id, i);
|
|
card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
|
|
"pci:green:tx:%d-%d",
|
|
dev->dev_id, i);
|
|
|
|
card->tx_led.dev = &dev->dev;
|
|
card->recon_led.brightness_set = led_recon_set;
|
|
card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
|
|
GFP_KERNEL, "arc%d-%d-recon",
|
|
dev->dev_id, i);
|
|
card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
|
|
"pci:red:recon:%d-%d",
|
|
dev->dev_id, i);
|
|
card->recon_led.dev = &dev->dev;
|
|
card->dev = dev;
|
|
|
|
ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
|
|
if (ret)
|
|
goto out_port;
|
|
|
|
ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
|
|
if (ret)
|
|
goto out_port;
|
|
|
|
dev_set_drvdata(&dev->dev, card);
|
|
|
|
ret = com20020_found(dev, IRQF_SHARED);
|
|
if (ret)
|
|
goto out_port;
|
|
|
|
devm_arcnet_led_init(dev, dev->dev_id, i);
|
|
|
|
list_add(&card->list, &priv->list_dev);
|
|
}
|
|
|
|
pci_set_drvdata(pdev, priv);
|
|
|
|
return 0;
|
|
|
|
out_port:
|
|
com20020pci_remove(pdev);
|
|
return ret;
|
|
}
|
|
|
|
static void com20020pci_remove(struct pci_dev *pdev)
|
|
{
|
|
struct com20020_dev *card, *tmpcard;
|
|
struct com20020_priv *priv;
|
|
|
|
priv = pci_get_drvdata(pdev);
|
|
|
|
list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
|
|
struct net_device *dev = card->dev;
|
|
|
|
unregister_netdev(dev);
|
|
free_irq(dev->irq, dev);
|
|
free_netdev(dev);
|
|
}
|
|
}
|
|
|
|
static struct com20020_pci_card_info card_info_10mbit = {
|
|
.name = "ARC-PCI",
|
|
.devcount = 1,
|
|
.chan_map_tbl = {
|
|
{
|
|
.bar = 2,
|
|
.offset = 0x00,
|
|
.size = 0x08,
|
|
},
|
|
},
|
|
.flags = ARC_CAN_10MBIT,
|
|
};
|
|
|
|
static struct com20020_pci_card_info card_info_5mbit = {
|
|
.name = "ARC-PCI",
|
|
.devcount = 1,
|
|
.chan_map_tbl = {
|
|
{
|
|
.bar = 2,
|
|
.offset = 0x00,
|
|
.size = 0x08,
|
|
},
|
|
},
|
|
.flags = ARC_IS_5MBIT,
|
|
};
|
|
|
|
static struct com20020_pci_card_info card_info_sohard = {
|
|
.name = "PLX-PCI",
|
|
.devcount = 1,
|
|
/* SOHARD needs PCI base addr 4 */
|
|
.chan_map_tbl = {
|
|
{
|
|
.bar = 4,
|
|
.offset = 0x00,
|
|
.size = 0x08
|
|
},
|
|
},
|
|
.flags = ARC_CAN_10MBIT,
|
|
};
|
|
|
|
static struct com20020_pci_card_info card_info_eae_arc1 = {
|
|
.name = "EAE PLX-PCI ARC1",
|
|
.devcount = 1,
|
|
.chan_map_tbl = {
|
|
{
|
|
.bar = 2,
|
|
.offset = 0x00,
|
|
.size = 0x08,
|
|
},
|
|
},
|
|
.misc_map = {
|
|
.bar = 2,
|
|
.offset = 0x10,
|
|
.size = 0x04,
|
|
},
|
|
.leds = {
|
|
{
|
|
.green = 0x0,
|
|
.red = 0x1,
|
|
},
|
|
},
|
|
.rotary = 0x0,
|
|
.flags = ARC_CAN_10MBIT,
|
|
};
|
|
|
|
static struct com20020_pci_card_info card_info_eae_ma1 = {
|
|
.name = "EAE PLX-PCI MA1",
|
|
.devcount = 2,
|
|
.chan_map_tbl = {
|
|
{
|
|
.bar = 2,
|
|
.offset = 0x00,
|
|
.size = 0x08,
|
|
}, {
|
|
.bar = 2,
|
|
.offset = 0x08,
|
|
.size = 0x08,
|
|
}
|
|
},
|
|
.misc_map = {
|
|
.bar = 2,
|
|
.offset = 0x10,
|
|
.size = 0x04,
|
|
},
|
|
.leds = {
|
|
{
|
|
.green = 0x0,
|
|
.red = 0x1,
|
|
}, {
|
|
.green = 0x2,
|
|
.red = 0x3,
|
|
},
|
|
},
|
|
.rotary = 0x0,
|
|
.flags = ARC_CAN_10MBIT,
|
|
};
|
|
|
|
static const struct pci_device_id com20020pci_id_table[] = {
|
|
{
|
|
0x1571, 0xa001,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0,
|
|
},
|
|
{
|
|
0x1571, 0xa002,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0,
|
|
},
|
|
{
|
|
0x1571, 0xa003,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0
|
|
},
|
|
{
|
|
0x1571, 0xa004,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0,
|
|
},
|
|
{
|
|
0x1571, 0xa005,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0
|
|
},
|
|
{
|
|
0x1571, 0xa006,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0
|
|
},
|
|
{
|
|
0x1571, 0xa007,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0
|
|
},
|
|
{
|
|
0x1571, 0xa008,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
0
|
|
},
|
|
{
|
|
0x1571, 0xa009,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_5mbit
|
|
},
|
|
{
|
|
0x1571, 0xa00a,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_5mbit
|
|
},
|
|
{
|
|
0x1571, 0xa00b,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_5mbit
|
|
},
|
|
{
|
|
0x1571, 0xa00c,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_5mbit
|
|
},
|
|
{
|
|
0x1571, 0xa00d,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_5mbit
|
|
},
|
|
{
|
|
0x1571, 0xa00e,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_5mbit
|
|
},
|
|
{
|
|
0x1571, 0xa201,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x1571, 0xa202,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x1571, 0xa203,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x1571, 0xa204,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x1571, 0xa205,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x1571, 0xa206,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x10B5, 0x9030,
|
|
0x10B5, 0x2978,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_sohard
|
|
},
|
|
{
|
|
0x10B5, 0x9050,
|
|
0x10B5, 0x2273,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_sohard
|
|
},
|
|
{
|
|
0x10B5, 0x9050,
|
|
0x10B5, 0x3263,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_eae_arc1
|
|
},
|
|
{
|
|
0x10B5, 0x9050,
|
|
0x10B5, 0x3292,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_eae_ma1
|
|
},
|
|
{
|
|
0x14BA, 0x6000,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{
|
|
0x10B5, 0x2200,
|
|
PCI_ANY_ID, PCI_ANY_ID,
|
|
0, 0,
|
|
(kernel_ulong_t)&card_info_10mbit
|
|
},
|
|
{ 0, }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
|
|
|
|
static struct pci_driver com20020pci_driver = {
|
|
.name = "com20020",
|
|
.id_table = com20020pci_id_table,
|
|
.probe = com20020pci_probe,
|
|
.remove = com20020pci_remove,
|
|
};
|
|
|
|
static int __init com20020pci_init(void)
|
|
{
|
|
if (BUGLVL(D_NORMAL))
|
|
pr_info("%s\n", "COM20020 PCI support");
|
|
return pci_register_driver(&com20020pci_driver);
|
|
}
|
|
|
|
static void __exit com20020pci_cleanup(void)
|
|
{
|
|
pci_unregister_driver(&com20020pci_driver);
|
|
}
|
|
|
|
module_init(com20020pci_init)
|
|
module_exit(com20020pci_cleanup)
|