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SubjectRe: [PATCH] sonypi, kernel 2.6.12.3
On Mon, Aug 01, 2005 at 10:45:03AM +0200, Stelian Pop wrote:
> Le lundi 01 août 2005 à 02:59 +0200, Erik Waling a écrit :
> > Newer Sony VAIO models (VGN-S480, VGN-S460, VGN-S3XP etc) use a new method to
> > initialize the SPIC device. The new way to initialize (and disable) the device
> > comes directly from the AML code in the _CRS, _SRS and _DIS methods from the
> > DSDT table. This patch against 2.6.12.3 adds support for the new models.
> >
> > -- Erik Waling <erikw@acc.umu.se>
> >
> >
> >
> > --- linux-2.6.12.3/drivers/char/sonypi.c 2005-07-15 16:18:57.000000000 -0500
> > +++ linux/drivers/char/sonypi.c 2005-07-31 16:55:41.000000000 -0500
>
> [...]
>
> > + - some models with the nvidia card (geforce go 6200 tc) uses a
> > + different way to adjust the backlighting of the screen. There
> > + is a userspace utility to adjust the brightness on those models.
>
> Don't be shy, put the URL pointing to your SmartDimmer here :)
>
> Otherwise you have my:
> Signed-off-by: Stelian Pop <stelian@popies.net>
>
> Thanks Erik.
>
> Stelian.
> --
> Stelian Pop <stelian@popies.net>

Added URL to the smartdimmer tool (to adjust backlight levels on newer
models) in the docs. Also forgot to sign my last post with the patch... So:

Signed-off-by: Erik Waling <erikw@acc.umu.se>



--- linux-2.6.12.3/drivers/char/sonypi.c 2005-07-15 16:18:57.000000000 -0500
+++ linux/drivers/char/sonypi.c 2005-07-31 16:55:41.000000000 -0500
@@ -98,12 +98,13 @@

#define SONYPI_DEVICE_MODEL_TYPE1 1
#define SONYPI_DEVICE_MODEL_TYPE2 2
+#define SONYPI_DEVICE_MODEL_TYPE3 3

/* type1 models use those */
#define SONYPI_IRQ_PORT 0x8034
#define SONYPI_IRQ_SHIFT 22
-#define SONYPI_BASE 0x50
-#define SONYPI_G10A (SONYPI_BASE+0x14)
+#define SONYPI_TYPE1_BASE 0x50
+#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
#define SONYPI_TYPE1_REGION_SIZE 0x08
#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04

@@ -114,6 +115,13 @@
#define SONYPI_TYPE2_REGION_SIZE 0x20
#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12

+/* type3 series specifics */
+#define SONYPI_TYPE3_BASE 0x40
+#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
+#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
+#define SONYPI_TYPE3_REGION_SIZE 0x20
+#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
+
/* battery / brightness addresses */
#define SONYPI_BAT_FLAGS 0x81
#define SONYPI_LCD_LIGHT 0x96
@@ -159,6 +167,10 @@
{ 0x0, 0x0 }
};

+/* same as in type 2 models */
+static struct sonypi_ioport_list *sonypi_type3_ioport_list =
+ sonypi_type2_ioport_list;
+
/* The set of possible interrupts */
struct sonypi_irq_list {
u16 irq;
@@ -180,6 +192,9 @@
{ 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
};

+/* same as in type2 models */
+static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
+
#define SONYPI_CAMERA_BRIGHTNESS 0
#define SONYPI_CAMERA_CONTRAST 1
#define SONYPI_CAMERA_HUE 2
@@ -223,6 +238,7 @@
#define SONYPI_MEYE_MASK 0x00000400
#define SONYPI_MEMORYSTICK_MASK 0x00000800
#define SONYPI_BATTERY_MASK 0x00001000
+#define SONYPI_WIRELESS_MASK 0x00002000

struct sonypi_event {
u8 data;
@@ -305,6 +321,13 @@
{ 0, 0 }
};

+/* The set of possible wireless events */
+static struct sonypi_event sonypi_wlessev[] = {
+ { 0x59, SONYPI_EVENT_WIRELESS_ON },
+ { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
+ { 0, 0 }
+};
+
/* The set of possible back button events */
static struct sonypi_event sonypi_backev[] = {
{ 0x20, SONYPI_EVENT_BACK_PRESSED },
@@ -391,6 +414,12 @@
{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },

+ { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
+ { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
+ { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
+ { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
+ { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
+ { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
{ 0 }
};

@@ -558,6 +587,23 @@
udelay(10);
}

+static void sonypi_type3_srs(void)
+{
+ u16 v16;
+ u8 v8;
+
+ /* This model type uses the same initialiazation of
+ * the embedded controller as the type2 models. */
+ sonypi_type2_srs();
+
+ /* Initialization of PCI config space of the LPC interface bridge. */
+ v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
+ pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
+ pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
+ v8 = (v8 & 0xCF) | 0x10;
+ pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
+}
+
/* Disables the device - this comes from the AML code in the ACPI bios */
static void sonypi_type1_dis(void)
{
@@ -582,6 +628,13 @@
printk(KERN_WARNING "ec_write failed\n");
}

+static void sonypi_type3_dis(void)
+{
+ sonypi_type2_dis();
+ udelay(10);
+ pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
+}
+
static u8 sonypi_call1(u8 dev)
{
u8 v1, v2;
@@ -1066,10 +1119,17 @@

static void sonypi_enable(unsigned int camera_on)
{
- if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
- sonypi_type2_srs();
- else
+ switch (sonypi_device.model) {
+ case SONYPI_DEVICE_MODEL_TYPE1:
sonypi_type1_srs();
+ break;
+ case SONYPI_DEVICE_MODEL_TYPE2:
+ sonypi_type2_srs();
+ break;
+ case SONYPI_DEVICE_MODEL_TYPE3:
+ sonypi_type3_srs();
+ break;
+ }

sonypi_call1(0x82);
sonypi_call2(0x81, 0xff);
@@ -1093,10 +1153,18 @@
if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
outb(0xf1, 0xb2);

- if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
- sonypi_type2_dis();
- else
+ switch (sonypi_device.model) {
+ case SONYPI_DEVICE_MODEL_TYPE1:
sonypi_type1_dis();
+ break;
+ case SONYPI_DEVICE_MODEL_TYPE2:
+ sonypi_type2_dis();
+ break;
+ case SONYPI_DEVICE_MODEL_TYPE3:
+ sonypi_type3_dis();
+ break;
+ }
+
return 0;
}

@@ -1142,12 +1210,16 @@
struct sonypi_irq_list *irq_list;
struct pci_dev *pcidev;

- pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
+ if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
+ else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
+ else
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;

sonypi_device.dev = pcidev;
- sonypi_device.model = pcidev ?
- SONYPI_DEVICE_MODEL_TYPE1 : SONYPI_DEVICE_MODEL_TYPE2;

spin_lock_init(&sonypi_device.fifo_lock);
sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
@@ -1175,16 +1247,22 @@
goto out_miscreg;
}

- if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
+
+ if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
+ ioport_list = sonypi_type1_ioport_list;
+ sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
+ sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
+ irq_list = sonypi_type1_irq_list;
+ } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
ioport_list = sonypi_type2_ioport_list;
sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
irq_list = sonypi_type2_irq_list;
} else {
- ioport_list = sonypi_type1_ioport_list;
- sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
- sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
- irq_list = sonypi_type1_irq_list;
+ ioport_list = sonypi_type3_ioport_list;
+ sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
+ sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
+ irq_list = sonypi_type3_irq_list;
}

for (i = 0; ioport_list[i].port1; i++) {
@@ -1287,11 +1365,10 @@

printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
"v%s.\n", SONYPI_DRIVER_VERSION);
- printk(KERN_INFO "sonypi: detected %s model, "
+ printk(KERN_INFO "sonypi: detected type%d model, "
"verbose = %d, fnkeyinit = %s, camera = %s, "
"compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
- (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) ?
- "type1" : "type2",
+ sonypi_device.model,
verbose,
fnkeyinit ? "on" : "off",
camera ? "on" : "off",
--- linux-2.6.12.3/include/linux/sonypi.h 2005-07-15 16:18:57.000000000 -0500
+++ linux/include/linux/sonypi.h 2005-07-31 18:10:37.000000000 -0500
@@ -99,6 +99,8 @@
#define SONYPI_EVENT_BATTERY_INSERT 57
#define SONYPI_EVENT_BATTERY_REMOVE 58
#define SONYPI_EVENT_FNKEY_RELEASED 59
+#define SONYPI_EVENT_WIRELESS_ON 60
+#define SONYPI_EVENT_WIRELESS_OFF 61

/* get/set brightness */
#define SONYPI_IOCGBRT _IOR('v', 0, __u8)
--- linux-2.6.12.3/Documentation/sonypi.txt 2005-07-15 16:18:57.000000000 -0500
+++ linux/Documentation/sonypi.txt 2005-08-01 20:16:27.000000000 -0500
@@ -99,6 +99,7 @@
SONYPI_MEYE_MASK 0x0400
SONYPI_MEMORYSTICK_MASK 0x0800
SONYPI_BATTERY_MASK 0x1000
+ SONYPI_WIRELESS_MASK 0x2000

useinput: if set (which is the default) two input devices are
created, one which interprets the jogdial events as
@@ -137,6 +138,15 @@
speed handling etc). Use ACPI instead of APM if it works on your
laptop.

+ - sonypi lacks the ability to distinguish between certain key
+ events on some models.
+
+ - some models with the nvidia card (geforce go 6200 tc) uses a
+ different way to adjust the backlighting of the screen. There
+ is a userspace utility to adjust the brightness on those models,
+ which can be downloaded from
+ http://www.acc.umu.se/~erikw/program/smartdimmer-0.1.tar.bz2
+
- since all development was done by reverse engineering, there is
_absolutely no guarantee_ that this driver will not crash your
laptop. Permanently.
-
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