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arcnet: com20020-pci: add led trigger support

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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>
This commit is contained in:
Michael Grzeschik 2014-09-18 00:12:50 +02:00
parent 5ef216c1f8
commit 8890624a4e
5 changed files with 181 additions and 0 deletions
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73
drivers/net/arcnet/com20020-pci.c
View file

@ -41,6 +41,7 @@
#include <linux/pci.h>
#include <linux/list.h>
#include <linux/io.h>
#include <linux/leds.h>
#include "arcdevice.h"
#include "com20020.h"
@ -62,6 +63,36 @@ 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,
@ -170,14 +201,41 @@ static int com20020pci_probe(struct pci_dev *pdev,
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);
}
@ -261,6 +319,12 @@ static struct com20020_pci_card_info card_info_eae_arc1 = {
.offset = 0x10,
.size = 0x04,
},
.leds = {
{
.green = 0x0,
.red = 0x1,
},
},
.rotary = 0x0,
.flags = ARC_CAN_10MBIT,
};
@ -284,6 +348,15 @@ static struct com20020_pci_card_info card_info_eae_ma1 = {
.offset = 0x10,
.size = 0x04,
},
.leds = {
{
.green = 0x0,
.red = 0x1,
}, {
.green = 0x2,
.red = 0x3,
},
},
.rotary = 0x0,
.flags = ARC_CAN_10MBIT,
};