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sony-laptop: additional platform attributes coming from SNY6001 

Register additional platform attributes coming from the SPIC (sonypi) driver.

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
malattia@linux.it 2007-04-09 19:28:56 +02:00 committed by Len Brown
parent 1549ee6fb1
commit 49a11deade
1 changed files with 204 additions and 1 deletions
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205
drivers/misc/sony-laptop.c
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@ -774,7 +774,8 @@ static int sony_nc_add(struct acpi_device *device)
}
if (sony_pf_add())
result = sony_pf_add();
if (result)
goto outbacklight;
/* create sony_pf sysfs attributes related to the SNC device */
@ -903,6 +904,8 @@ struct sony_pic_irq {
struct sony_pic_dev {
int model;
u8 camera_power;
u8 bluetooth_power;
struct acpi_device *acpi_dev;
struct sony_pic_irq *cur_irq;
struct sony_pic_ioport *cur_ioport;
@ -1181,6 +1184,186 @@ static u8 sony_pic_call2(u8 dev, u8 fn)
return v1;
}
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
u8 v1;
wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
outb(dev, spic_dev.cur_ioport->io.minimum + 4);
wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
outb(fn, spic_dev.cur_ioport->io.minimum);
wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
outb(v, spic_dev.cur_ioport->io.minimum);
v1 = inb_p(spic_dev.cur_ioport->io.minimum);
dprintk("sony_pic_call3: 0x%.4x\n", v1);
return v1;
}
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE 5
#define SONYPI_CAMERA_MUTE_MASK 0x40
#define SONYPI_CAMERA_CONTROL 0x10
#define SONYPI_CAMERA_STATUS 7
#define SONYPI_CAMERA_STATUS_READY 0x2
#define SONYPI_CAMERA_STATUS_POSITION 0x4
static int sony_pic_camera_ready(void)
{
u8 v;
v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
}
static void sony_pic_camera_off(void)
{
wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
SONYPI_CAMERA_MUTE_MASK),
ITERATIONS_SHORT);
if (!spic_dev.camera_power)
return;
sony_pic_call2(0x91, 0);
spic_dev.camera_power = 0;
}
static void sony_pic_camera_on(void)
{
int i, j;
if (spic_dev.camera_power)
return;
for (j = 5; j > 0; j--) {
while (sony_pic_call2(0x91, 0x1))
msleep(10);
sony_pic_call1(0x93);
for (i = 400; i > 0; i--) {
if (sony_pic_camera_ready())
break;
msleep(10);
}
if (i)
break;
}
if (j == 0) {
printk(KERN_WARNING "sonypi: failed to power on camera\n");
return;
}
wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
0x5a),
ITERATIONS_SHORT);
spic_dev.camera_power = 1;
}
static ssize_t sony_pic_camerapower_store(struct device *dev,
struct device_attribute *attr,
const char *buffer, size_t count)
{
unsigned long value;
if (count > 31)
return -EINVAL;
value = simple_strtoul(buffer, NULL, 10);
if (value)
sony_pic_camera_on();
else
sony_pic_camera_off();
return count;
}
static ssize_t sony_pic_camerapower_show(struct device *dev,
struct device_attribute *attr, char *buffer)
{
return snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.camera_power);
}
/* bluetooth subsystem power state */
static void sony_pic_set_bluetoothpower(u8 state)
{
state = !!state;
if (spic_dev.bluetooth_power == state)
return;
sony_pic_call2(0x96, state);
sony_pic_call1(0x82);
spic_dev.bluetooth_power = state;
}
static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
struct device_attribute *attr,
const char *buffer, size_t count)
{
unsigned long value;
if (count > 31)
return -EINVAL;
value = simple_strtoul(buffer, NULL, 10);
sony_pic_set_bluetoothpower(value);
return count;
}
static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
struct device_attribute *attr, char *buffer)
{
return snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
}
/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS 0x93
static ssize_t sony_pic_fanspeed_store(struct device *dev,
struct device_attribute *attr,
const char *buffer, size_t count)
{
unsigned long value;
if (count > 31)
return -EINVAL;
value = simple_strtoul(buffer, NULL, 10);
if (ec_write(SONY_PIC_FAN0_STATUS, value))
return -EIO;
return count;
}
static ssize_t sony_pic_fanspeed_show(struct device *dev,
struct device_attribute *attr, char *buffer)
{
u8 value = 0;
if (ec_read(SONY_PIC_FAN0_STATUS, &value))
return -EIO;
return snprintf(buffer, PAGE_SIZE, "%d\n", value);
}
#define SPIC_ATTR(_name, _mode) \
struct device_attribute spic_attr_##_name = __ATTR(_name, \
_mode, sony_pic_## _name ##_show, \
sony_pic_## _name ##_store)
static SPIC_ATTR(camerapower, 0644);
static SPIC_ATTR(bluetoothpower, 0644);
static SPIC_ATTR(fanspeed, 0644);
static struct attribute *spic_attributes[] = {
&spic_attr_camerapower.attr,
&spic_attr_bluetoothpower.attr,
&spic_attr_fanspeed.attr,
NULL
};
static struct attribute_group spic_attribute_group = {
.attrs = spic_attributes
};
/*
* ACPI callbacks
*/
@ -1447,6 +1630,10 @@ static int sony_pic_remove(struct acpi_device *device, int type)
sony_laptop_remove_input();
/* pf attrs */
sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
sony_pf_remove();
list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
list_del(&io->list);
kfree(io);
@ -1536,8 +1723,24 @@ static int sony_pic_add(struct acpi_device *device)
goto err_free_irq;
}
spic_dev.bluetooth_power = -1;
/* create device attributes */
result = sony_pf_add();
if (result)
goto err_disable_device;
result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
if (result)
goto err_remove_pf;
return 0;
err_remove_pf:
sony_pf_remove();
err_disable_device:
sony_pic_disable(device);
err_free_irq:
free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);