Release 4.12 drivers/leds/leds-sunfire.c
/* leds-sunfire.c: SUNW,Ultra-Enterprise LED driver.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/leds.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <asm/fhc.h>
#include <asm/upa.h>
MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
MODULE_DESCRIPTION("Sun Fire LED driver");
MODULE_LICENSE("GPL");
struct sunfire_led {
struct led_classdev led_cdev;
void __iomem *reg;
};
#define to_sunfire_led(d) container_of(d, struct sunfire_led, led_cdev)
static void __clockboard_set(struct led_classdev *led_cdev,
enum led_brightness led_val, u8 bit)
{
struct sunfire_led *p = to_sunfire_led(led_cdev);
u8 reg = upa_readb(p->reg);
switch (bit) {
case CLOCK_CTRL_LLED:
if (led_val)
reg &= ~bit;
else
reg |= bit;
break;
default:
if (led_val)
reg |= bit;
else
reg &= ~bit;
break;
}
upa_writeb(reg, p->reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 87 | 100.00% | 1 | 100.00% |
| Total | 87 | 100.00% | 1 | 100.00% |
static void clockboard_left_set(struct led_classdev *led_cdev,
enum led_brightness led_val)
{
__clockboard_set(led_cdev, led_val, CLOCK_CTRL_LLED);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static void clockboard_middle_set(struct led_classdev *led_cdev,
enum led_brightness led_val)
{
__clockboard_set(led_cdev, led_val, CLOCK_CTRL_MLED);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static void clockboard_right_set(struct led_classdev *led_cdev,
enum led_brightness led_val)
{
__clockboard_set(led_cdev, led_val, CLOCK_CTRL_RLED);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static void __fhc_set(struct led_classdev *led_cdev,
enum led_brightness led_val, u32 bit)
{
struct sunfire_led *p = to_sunfire_led(led_cdev);
u32 reg = upa_readl(p->reg);
switch (bit) {
case FHC_CONTROL_LLED:
if (led_val)
reg &= ~bit;
else
reg |= bit;
break;
default:
if (led_val)
reg |= bit;
else
reg &= ~bit;
break;
}
upa_writel(reg, p->reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 87 | 100.00% | 1 | 100.00% |
| Total | 87 | 100.00% | 1 | 100.00% |
static void fhc_left_set(struct led_classdev *led_cdev,
enum led_brightness led_val)
{
__fhc_set(led_cdev, led_val, FHC_CONTROL_LLED);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static void fhc_middle_set(struct led_classdev *led_cdev,
enum led_brightness led_val)
{
__fhc_set(led_cdev, led_val, FHC_CONTROL_MLED);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static void fhc_right_set(struct led_classdev *led_cdev,
enum led_brightness led_val)
{
__fhc_set(led_cdev, led_val, FHC_CONTROL_RLED);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
typedef void (*set_handler)(struct led_classdev *, enum led_brightness);
struct led_type {
const char *name;
set_handler handler;
const char *default_trigger;
};
#define NUM_LEDS_PER_BOARD 3
struct sunfire_drvdata {
struct sunfire_led leds[NUM_LEDS_PER_BOARD];
};
static int sunfire_led_generic_probe(struct platform_device *pdev,
struct led_type *types)
{
struct sunfire_drvdata *p;
int i, err;
if (pdev->num_resources != 1) {
dev_err(&pdev->dev, "Wrong number of resources %d, should be 1\n",
pdev->num_resources);
return -EINVAL;
}
p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);
if (!p)
return -ENOMEM;
for (i = 0; i < NUM_LEDS_PER_BOARD; i++) {
struct led_classdev *lp = &p->leds[i].led_cdev;
p->leds[i].reg = (void __iomem *) pdev->resource[0].start;
lp->name = types[i].name;
lp->brightness = LED_FULL;
lp->brightness_set = types[i].handler;
lp->default_trigger = types[i].default_trigger;
err = led_classdev_register(&pdev->dev, lp);
if (err) {
dev_err(&pdev->dev, "Could not register %s LED\n",
lp->name);
for (i--; i >= 0; i--)
led_classdev_unregister(&p->leds[i].led_cdev);
return err;
}
}
platform_set_drvdata(pdev, p);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 194 | 79.84% | 1 | 20.00% |
| Jingoo Han | 21 | 8.64% | 2 | 40.00% |
| Bryan Wu | 18 | 7.41% | 1 | 20.00% |
| Axel Lin | 10 | 4.12% | 1 | 20.00% |
| Total | 243 | 100.00% | 5 | 100.00% |
static int sunfire_led_generic_remove(struct platform_device *pdev)
{
struct sunfire_drvdata *p = platform_get_drvdata(pdev);
int i;
for (i = 0; i < NUM_LEDS_PER_BOARD; i++)
led_classdev_unregister(&p->leds[i].led_cdev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 52 | 98.11% | 1 | 50.00% |
| Jingoo Han | 1 | 1.89% | 1 | 50.00% |
| Total | 53 | 100.00% | 2 | 100.00% |
static struct led_type clockboard_led_types[NUM_LEDS_PER_BOARD] = {
{
.name = "clockboard-left",
.handler = clockboard_left_set,
},
{
.name = "clockboard-middle",
.handler = clockboard_middle_set,
},
{
.name = "clockboard-right",
.handler = clockboard_right_set,
.default_trigger = "heartbeat",
},
};
static int sunfire_clockboard_led_probe(struct platform_device *pdev)
{
return sunfire_led_generic_probe(pdev, clockboard_led_types);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
static struct led_type fhc_led_types[NUM_LEDS_PER_BOARD] = {
{
.name = "fhc-left",
.handler = fhc_left_set,
},
{
.name = "fhc-middle",
.handler = fhc_middle_set,
},
{
.name = "fhc-right",
.handler = fhc_right_set,
.default_trigger = "heartbeat",
},
};
static int sunfire_fhc_led_probe(struct platform_device *pdev)
{
return sunfire_led_generic_probe(pdev, fhc_led_types);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
MODULE_ALIAS("platform:sunfire-clockboard-leds");
MODULE_ALIAS("platform:sunfire-fhc-leds");
static struct platform_driver sunfire_clockboard_led_driver = {
.probe = sunfire_clockboard_led_probe,
.remove = sunfire_led_generic_remove,
.driver = {
.name = "sunfire-clockboard-leds",
},
};
static struct platform_driver sunfire_fhc_led_driver = {
.probe = sunfire_fhc_led_probe,
.remove = sunfire_led_generic_remove,
.driver = {
.name = "sunfire-fhc-leds",
},
};
static struct platform_driver * const drivers[] = {
&sunfire_clockboard_led_driver,
&sunfire_fhc_led_driver,
};
static int __init sunfire_leds_init(void)
{
return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 15 | 75.00% | 1 | 50.00% |
| Thierry Reding | 5 | 25.00% | 1 | 50.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
static void __exit sunfire_leds_exit(void)
{
platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 13 | 68.42% | 1 | 50.00% |
| Thierry Reding | 6 | 31.58% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
module_init(sunfire_leds_init);
module_exit(sunfire_leds_exit);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 916 | 91.33% | 1 | 14.29% |
| Jingoo Han | 29 | 2.89% | 2 | 28.57% |
| Thierry Reding | 27 | 2.69% | 1 | 14.29% |
| Bryan Wu | 18 | 1.79% | 1 | 14.29% |
| Axel Lin | 10 | 1.00% | 1 | 14.29% |
| Tejun Heo | 3 | 0.30% | 1 | 14.29% |
| Total | 1003 | 100.00% | 7 | 100.00% |
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