Replacing tarball with individual patches.

svn path=/; revision=4

1 files changed, 415 insertions, 0 deletions

diff --git a/sys-kernel/mactel-linux-sources/files/mactel-patches-r138/applesmc_int.patch b/sys-kernel/mactel-linux-sources/files/mactel-patches-r138/applesmc_int.patch
new file mode 100644
index 0000000..7cab258
--- /dev/null
+++ b/sys-kernel/mactel-linux-sources/files/mactel-patches-r138/applesmc_int.patch
@@ -0,0 +1,415 @@
+Add interrupt support for the accelerometer. A message is printed in dmesg when an interrupt occurs, but no further handling is done.
+
+From: Nicolas Boichat <nicolas@boichat.ch>
+
+
+---
+
+ drivers/hwmon/applesmc.c |  321 +++++++++++++++++++++++++++++++++++++++++++---
+ 1 files changed, 298 insertions(+), 23 deletions(-)
+
+diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
+index cea8d78..5d184a1 100644
+--- a/drivers/hwmon/applesmc.c
++++ b/drivers/hwmon/applesmc.c
+@@ -39,14 +39,20 @@
+ #include <linux/leds.h>
+ #include <linux/hwmon.h>
+ #include <linux/workqueue.h>
++#include <linux/interrupt.h>
+ 
+ /* data port used by Apple SMC */
+ #define APPLESMC_DATA_PORT	0x300
+ /* command/status port used by Apple SMC */
+ #define APPLESMC_CMD_PORT	0x304
++/* status port used by Apple SMC to get which interrupt type just happened */
++#define APPLESMC_INT_PORT	0x31f
+ 
+ #define APPLESMC_NR_PORTS	32 /* 0x300-0x31f */
+ 
++/* Defined in ACPI DSDT table, should we read it from there? */
++#define APPLESMC_IRQ		6
++
+ #define APPLESMC_MAX_DATA_LENGTH 32
+ 
+ #define APPLESMC_STATUS_MASK	0x0f
+@@ -57,6 +63,8 @@
+ 
+ #define KEY_COUNT_KEY		"#KEY" /* r-o ui32 */
+ 
++#define INTERRUPT_OK_KEY	"NTOK" /* w-o ui8 */
++
+ #define LIGHT_SENSOR_LEFT_KEY	"ALV0" /* r-o {alv (6 bytes) */
+ #define LIGHT_SENSOR_RIGHT_KEY	"ALV1" /* r-o {alv (6 bytes) */
+ #define BACKLIGHT_KEY		"LKSB" /* w-o {lkb (2 bytes) */
+@@ -68,6 +76,19 @@
+ #define MOTION_SENSOR_Z_KEY	"MO_Z" /* r-o sp78 (2 bytes) */
+ #define MOTION_SENSOR_KEY	"MOCN" /* r/w ui16 */
+ 
++/*
++ * Interrupt controls.
++ * If the norm of the position (sqrt(MO_X^2+MO_Y^2+MO_Z^2)) is smaller than
++ * MOLT (free fall), or bigger than MOHT (high acceleration) for longer than the
++ * value of MOLD (or MOHD), SMC will trigger an interrupt.
++ */
++#define MOTION_LOW_NORM			"MOLT" /* r/w sp78 (2 bytes) */
++#define MOTION_HIGH_NORM		"MOHT" /* r/w sp78 (2 bytes) */
++#define MOTION_LOW_NORM_INTERVAL	"MOLD" /* r/w ui8 */
++#define MOTION_HIGH_NORM_INTERVAL	"MOHD" /* r/w ui8 */
++
++#define MSDW_KEY		"MSDW" /* r/w flag (1 byte) */
++
+ #define FANS_COUNT		"FNum" /* r-o ui8 */
+ #define FANS_MANUAL		"FS! " /* r-w ui16 */
+ #define FAN_ACTUAL_SPEED	"F0Ac" /* r-o fpe2 (2 bytes) */
+@@ -351,12 +372,83 @@ static int applesmc_read_motion_sensor(int index, s16* value)
+ }
+ 
+ /*
++ * applesmc_init_check_key_value - checks if a given key contains the bytes in
++ * buffer, if not, writes these bytes.
++ * In case of failure retry every INIT_WAIT_MSECS msec, and timeout if it
++ * waited more than INIT_TIMEOUT_MSECS in total.
++ * Returns zero on success or a negative error on failure. Callers must
++ * hold applesmc_lock.
++ */
++static int applesmc_init_check_key_value(const char *key, u8 *buffer, u8 len)
++{
++	int total, ret, i, compare;
++	u8 rdbuffer[APPLESMC_MAX_DATA_LENGTH];
++
++	if (len > APPLESMC_MAX_DATA_LENGTH) {
++		printk(KERN_ERR "applesmc_init_check_key_value: cannot "
++					"read/write more than %d bytes",
++					APPLESMC_MAX_DATA_LENGTH);
++		return -EINVAL;
++	}
++
++	for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) {
++		ret = applesmc_read_key(key, rdbuffer, len);
++		if (!ret) {
++			compare = 1;
++			for (i = 0; i < len; i++) {
++				if (rdbuffer[i] != buffer[i]) {
++					compare = 0;
++					break;
++				}
++			}
++
++			if (compare) {
++				return 0;
++			}
++		}
++		ret = applesmc_write_key(key, buffer, len);
++		msleep(INIT_WAIT_MSECS);
++	}
++
++	if (ret)
++		return ret;
++	else
++		return -EIO;
++}
++
++irqreturn_t applesmc_irq_handler(int irq, void *dev_id)
++{
++	u8 int_type = inb(APPLESMC_INT_PORT);
++
++	switch (int_type) {
++	case 0x60:
++		printk(KERN_INFO "applesmc: received a free fall interrupt\n");
++		break;
++	case 0x6f:
++		printk(KERN_INFO
++			"applesmc: received a high acceleration interrupt\n");
++		break;
++	case 0x80:
++		printk(KERN_INFO "applesmc: received a shock interrupt\n");
++		break;
++	default:
++		printk(KERN_INFO
++			"applesmc: received an unknown interrupt %x\n",
++			int_type);
++	}
++
++	return IRQ_HANDLED;
++}
++
++/*
+  * applesmc_device_init - initialize the accelerometer.  Returns zero on success
+  * and negative error code on failure.  Can sleep.
+  */
+ static int applesmc_device_init(void)
+ {
+-	int total, ret = -ENXIO;
++	int total;
++	int ret = -ENXIO;
++	int ret1, ret2;
+ 	u8 buffer[2];
+ 
+ 	if (!applesmc_accelerometer)
+@@ -364,32 +456,79 @@ static int applesmc_device_init(void)
+ 
+ 	mutex_lock(&applesmc_lock);
+ 
++	/* Accept interrupts */
++	buffer[0] = 0x01;
+ 	for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) {
+-		if (debug)
+-			printk(KERN_DEBUG "applesmc try %d\n", total);
+-		if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) &&
+-				(buffer[0] != 0x00 || buffer[1] != 0x00)) {
+-			if (total == INIT_TIMEOUT_MSECS) {
+-				printk(KERN_DEBUG "applesmc: device has"
+-						" already been initialized"
+-						" (0x%02x, 0x%02x).\n",
+-						buffer[0], buffer[1]);
+-			} else {
+-				printk(KERN_DEBUG "applesmc: device"
+-						" successfully initialized"
+-						" (0x%02x, 0x%02x).\n",
+-						buffer[0], buffer[1]);
+-			}
+-			ret = 0;
+-			goto out;
+-		}
+-		buffer[0] = 0xe0;
+-		buffer[1] = 0x00;
+-		applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2);
++		ret1 = applesmc_write_key(INTERRUPT_OK_KEY, buffer, 1);
+ 		msleep(INIT_WAIT_MSECS);
++
++		if (!ret1)
++			break;
++	}
++	if (ret1)
++		printk(KERN_WARNING "applesmc: Cannot set NTOK key, "
++					"will not receive interrupts.\n");
++
++	/* Setup interrupt controls. */
++	buffer[0] = 20; /* 20 msecs */
++	ret1 = applesmc_init_check_key_value(MOTION_LOW_NORM_INTERVAL,
++								buffer, 1);
++
++	buffer[0] = 20; /* 20 msecs */
++	ret2 = applesmc_init_check_key_value(MOTION_HIGH_NORM_INTERVAL,
++								buffer, 1);
++
++	if (ret1 || ret2) {
++		printk(KERN_WARNING "applesmc: Cannot set motion sensor "
++					"interrupt interval, might not receive "
++					"some interrupts.");
+ 	}
+ 
+-	printk(KERN_WARNING "applesmc: failed to init the device\n");
++	buffer[0] = 0x00;
++	buffer[1] = 0x60;
++	ret1 = applesmc_init_check_key_value(MOTION_LOW_NORM, buffer, 2);
++
++	buffer[0] = 0x01;
++	buffer[1] = 0xc0;
++	ret2 = applesmc_init_check_key_value(MOTION_HIGH_NORM, buffer, 2);
++
++	if (ret1 || ret2) {
++		printk(KERN_WARNING "applesmc: Cannot set motion sensor "
++				"min/max norm parameters, "
++				"might not receive some interrupts.");
++	}
++
++	/* Mysterious key. */
++	buffer[0] = 0x01;
++	for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) {
++		ret1 = applesmc_write_key(MSDW_KEY, buffer, 1);
++		msleep(INIT_WAIT_MSECS);
++
++		if (!ret1)
++			break;
++	}
++	if (ret1)
++		printk(KERN_WARNING "applesmc: Cannot set MSDW key\n");
++
++	/* Initialize the device. */
++	buffer[0] = 0xe0;
++	buffer[1] = 0xf8;
++	if (applesmc_init_check_key_value(MOTION_SENSOR_KEY, buffer, 2)) {
++		printk(KERN_WARNING "applesmc: failed to init "
++							"the accelerometer\n");
++		goto out;
++	}
++
++	ret1 = request_irq(APPLESMC_IRQ, applesmc_irq_handler, IRQF_DISABLED,
++						"applesmc_irq_handler", NULL);
++
++	if (ret1) {
++		printk(KERN_WARNING "applesmc: cannot setup irq handler\n");
++	}
++
++	printk(KERN_DEBUG "applesmc: accelerometer "
++						"successfully initialized.\n");
++	ret = 0;
+ 
+ out:
+ 	mutex_unlock(&applesmc_lock);
+@@ -434,9 +573,16 @@ static int applesmc_resume(struct platform_device *dev)
+ 	return applesmc_device_init();
+ }
+ 
++static int applesmc_remove(struct platform_device *dev)
++{
++	free_irq(APPLESMC_IRQ, NULL);
++	return 0;
++}
++
+ static struct platform_driver applesmc_driver = {
+ 	.probe = applesmc_probe,
+ 	.resume = applesmc_resume,
++	.remove = applesmc_remove,
+ 	.driver	= {
+ 		.name = "applesmc",
+ 		.owner = THIS_MODULE,
+@@ -898,6 +1044,123 @@ static ssize_t applesmc_key_at_index_store(struct device *dev,
+ 	return count;
+ }
+ 
++static ssize_t applesmc_accelerometer_show(struct device *dev,
++				struct device_attribute *attr, char *sysfsbuf)
++{
++	int ret;
++	unsigned int value = 0;
++	u8 buffer[2];
++	char *key;
++	int length;
++	struct sensor_device_attribute_2 *sensor_attr =
++						to_sensor_dev_attr_2(attr);
++
++	switch (sensor_attr->index) {
++	case 0:
++		key = MOTION_LOW_NORM_INTERVAL;
++		length = 1;
++		break;
++	case 1:
++		key = MOTION_HIGH_NORM_INTERVAL;
++		length = 1;
++		break;
++	case 2:
++		key = MOTION_LOW_NORM;
++		length = 2;
++		break;
++	case 3:
++		key = MOTION_HIGH_NORM;
++		length = 2;
++		break;
++	default:
++		printk(KERN_ERR
++			"Invalid index for applesmc_accelerometer_show");
++		return -EINVAL;
++	}
++
++	mutex_lock(&applesmc_lock);
++
++	ret = applesmc_read_key(key, buffer, length);
++	if (length == 2)
++		value = ((unsigned int)buffer[0] << 8) | buffer[1];
++	else if (length == 1)
++		value = buffer[0];
++	else {
++		printk("Invalid length for applesmc_param_show");
++		ret = -EINVAL;
++	}
++
++	mutex_unlock(&applesmc_lock);
++	if (ret)
++		return ret;
++	else
++		return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", value);
++}
++
++static ssize_t applesmc_accelerometer_store(struct device *dev,
++					struct device_attribute *attr,
++					const char *sysfsbuf, size_t count)
++{
++	int ret;
++	u32 value;
++	u8 buffer[2];
++	char *key;
++	int length;
++	struct sensor_device_attribute_2 *sensor_attr =
++						to_sensor_dev_attr_2(attr);
++
++	switch (sensor_attr->index) {
++	case 0:
++		key = MOTION_LOW_NORM_INTERVAL;
++		length = 1;
++		break;
++	case 1:
++		key = MOTION_HIGH_NORM_INTERVAL;
++		length = 1;
++		break;
++	case 2:
++		key = MOTION_LOW_NORM;
++		length = 2;
++		break;
++	case 3:
++		key = MOTION_HIGH_NORM;
++		length = 2;
++		break;
++	default:
++		printk("Invalid index for applesmc_accelerometer_show");
++		return -EINVAL;
++	}
++
++	value = simple_strtoul(sysfsbuf, NULL, 10);
++
++	if (length == 2) {
++		if (value > 0xffff)
++			return -EINVAL;
++
++		buffer[0] = (value >> 8) & 0xff;
++		buffer[1] = value & 0xff;
++	} else if (length == 1) {
++		if (value > 0xff)
++			return -EINVAL;
++
++		buffer[0] = value & 0xff;
++	} else {
++		printk("Invalid length for applesmc_param_store");
++		return -EINVAL;
++	}
++
++	mutex_lock(&applesmc_lock);
++
++	ret = applesmc_write_key(key, buffer, length);
++
++	mutex_unlock(&applesmc_lock);
++
++	if (ret)
++		return ret;
++	else
++		return count;
++}
++
+ static struct led_classdev applesmc_backlight = {
+ 	.name			= "smc:kbd_backlight",
+ 	.default_trigger	= "nand-disk",
+@@ -909,10 +1172,22 @@ static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL);
+ static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL);
+ static DEVICE_ATTR(calibrate, 0644,
+ 			applesmc_calibrate_show, applesmc_calibrate_store);
++static SENSOR_DEVICE_ATTR(low_norm_trigger_interval, 0644,
++		applesmc_accelerometer_show, applesmc_accelerometer_store, 0);
++static SENSOR_DEVICE_ATTR(high_norm_trigger_interval, 0644,
++		applesmc_accelerometer_show, applesmc_accelerometer_store, 1);
++static SENSOR_DEVICE_ATTR(low_norm_trigger, 0644,
++		applesmc_accelerometer_show, applesmc_accelerometer_store, 2);
++static SENSOR_DEVICE_ATTR(high_norm_trigger, 0644,
++		applesmc_accelerometer_show, applesmc_accelerometer_store, 3);
+ 
+ static struct attribute *accelerometer_attributes[] = {
+ 	&dev_attr_position.attr,
+ 	&dev_attr_calibrate.attr,
++	&sensor_dev_attr_low_norm_trigger.dev_attr.attr,
++	&sensor_dev_attr_high_norm_trigger.dev_attr.attr,
++	&sensor_dev_attr_low_norm_trigger_interval.dev_attr.attr,
++	&sensor_dev_attr_high_norm_trigger_interval.dev_attr.attr,
+ 	NULL
+ };
+