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sony-laptop: Fix event reading in sony-laptop

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The rewritten event reading code from sonypi was absolutely wrong,
this patche makes things functional for type2 and type1 models.

Cc: Andrei Paskevich <andrei@capet.iut-fbleau.fr>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Mattia Dongili 2007-07-16 02:34:39 +09:00 committed by Len Brown
parent 89892d153d
commit 22a1778058
1 changed files with 22 additions and 8 deletions
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30
drivers/misc/sony-laptop.c
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@ -1142,7 +1142,9 @@ static struct acpi_driver sony_nc_driver = {
#define SONYPI_DEVICE_TYPE2 0x00000002
#define SONYPI_DEVICE_TYPE3 0x00000004
#define SONY_PIC_EV_MASK 0xff
#define SONYPI_TYPE1_OFFSET 0x04
#define SONYPI_TYPE2_OFFSET 0x12
#define SONYPI_TYPE3_OFFSET 0x12
struct sony_pic_ioport {
struct acpi_resource_io io;
@ -1156,6 +1158,7 @@ struct sony_pic_irq {
struct sony_pic_dev {
int model;
u16 evport_offset;
u8 camera_power;
u8 bluetooth_power;
u8 wwan_power;
@ -2233,20 +2236,17 @@ end:
static irqreturn_t sony_pic_irq(int irq, void *dev_id)
{
int i, j;
u32 port_val = 0;
u8 ev = 0;
u8 data_mask = 0;
u8 device_event = 0;
struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
acpi_os_read_port(dev->cur_ioport->io.minimum, &port_val,
dev->cur_ioport->io.address_length);
ev = port_val & SONY_PIC_EV_MASK;
data_mask = 0xff & (port_val >> (dev->cur_ioport->io.address_length - 8));
ev = inb_p(dev->cur_ioport->io.minimum);
data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset);
dprintk("event (0x%.8x [%.2x] [%.2x]) at port 0x%.4x\n",
port_val, ev, data_mask, dev->cur_ioport->io.minimum);
dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset);
if (ev == 0x00 || ev == 0xff)
return IRQ_HANDLED;
@ -2337,6 +2337,20 @@ static int sony_pic_add(struct acpi_device *device)
spic_dev.model = sony_pic_detect_device_type();
mutex_init(&spic_dev.lock);
/* model specific characteristics */
switch(spic_dev.model) {
case SONYPI_DEVICE_TYPE1:
spic_dev.evport_offset = SONYPI_TYPE1_OFFSET;
break;
case SONYPI_DEVICE_TYPE3:
spic_dev.evport_offset = SONYPI_TYPE3_OFFSET;
break;
case SONYPI_DEVICE_TYPE2:
default:
spic_dev.evport_offset = SONYPI_TYPE2_OFFSET;
break;
}
/* read _PRS resources */
result = sony_pic_possible_resources(device);
if (result) {