3 files changed, 23 insertions, 29 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index cc47198..b9f58ca 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -154,8 +154,8 @@ config TOUCHSCREEN_FUJITSU
 	  module will be called fujitsu-ts.
 
 config TOUCHSCREEN_S3C2410
-	tristate "Samsung S3C2410 touchscreen input driver"
-	depends on ARCH_S3C2410
+	tristate "Samsung S3C2410/generic touchscreen input driver"
+	depends on ARCH_S3C2410 || SAMSUNG_DEV_TS
 	select S3C24XX_ADC
 	help
 	  Say Y here if you have the s3c2410 touchscreen.
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index 98a7d12..ac5d0f9 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -37,9 +37,7 @@
 
 #include <plat/adc.h>
 #include <plat/regs-adc.h>
-
-#include <mach/regs-gpio.h>
-#include <mach/ts.h>
+#include <plat/ts.h>
 
 #define TSC_SLEEP  (S3C2410_ADCTSC_PULL_UP_DISABLE | S3C2410_ADCTSC_XY_PST(0))
 
@@ -57,6 +55,8 @@
 			 S3C2410_ADCTSC_AUTO_PST | \
 			 S3C2410_ADCTSC_XY_PST(0))
 
+#define FEAT_PEN_IRQ	(1 << 0)	/* HAS ADCCLRINTPNDNUP */
+
 /* Per-touchscreen data. */
 
 /**
@@ -71,6 +71,7 @@
  * @irq_tc: The interrupt number for pen up/down interrupt
  * @count: The number of samples collected.
  * @shift: The log2 of the maximum count to read in one go.
+ * @features: The features supported by the TSADC MOdule.
  */
 struct s3c2410ts {
 	struct s3c_adc_client *client;
@@ -83,26 +84,12 @@ struct s3c2410ts {
 	int irq_tc;
 	int count;
 	int shift;
+	int features;
 };
 
 static struct s3c2410ts ts;
 
 /**
- * s3c2410_ts_connect - configure gpio for s3c2410 systems
- *
- * Configure the GPIO for the S3C2410 system, where we have external FETs
- * connected to the device (later systems such as the S3C2440 integrate
- * these into the device).
-*/
-static inline void s3c2410_ts_connect(void)
-{
-	s3c2410_gpio_cfgpin(S3C2410_GPG(12), S3C2410_GPG12_XMON);
-	s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPG13_nXPON);
-	s3c2410_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPG14_YMON);
-	s3c2410_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPG15_nYPON);
-}
-
-/**
  * get_down - return the down state of the pen
  * @data0: The data read from ADCDAT0 register.
  * @data1: The data read from ADCDAT1 register.
@@ -188,6 +175,11 @@ static irqreturn_t stylus_irq(int irq, void *dev_id)
 	else
 		dev_info(ts.dev, "%s: count=%d\n", __func__, ts.count);
 
+	if (ts.features & FEAT_PEN_IRQ) {
+		/* Clear pen down/up interrupt */
+		writel(0x0, ts.io + S3C64XX_ADCCLRINTPNDNUP);
+	}
+
 	return IRQ_HANDLED;
 }
 
@@ -296,9 +288,9 @@ static int __devinit s3c2410ts_probe(struct platform_device *pdev)
 		goto err_clk;
 	}
 
-	/* Configure the touchscreen external FETs on the S3C2410 */
-	if (!platform_get_device_id(pdev)->driver_data)
-		s3c2410_ts_connect();
+	/* inititalise the gpio */
+	if (info->cfg_gpio)
+		info->cfg_gpio(to_platform_device(ts.dev));
 
 	ts.client = s3c_adc_register(pdev, s3c24xx_ts_select,
 				     s3c24xx_ts_conversion, 1);
@@ -334,6 +326,7 @@ static int __devinit s3c2410ts_probe(struct platform_device *pdev)
 	ts.input->id.version = 0x0102;
 
 	ts.shift = info->oversampling_shift;
+	ts.features = platform_get_device_id(pdev)->driver_data;
 
 	ret = request_irq(ts.irq_tc, stylus_irq, IRQF_DISABLED,
 			  "s3c2410_ts_pen", ts.input);
@@ -421,14 +414,15 @@ static struct dev_pm_ops s3c_ts_pmops = {
 
 static struct platform_device_id s3cts_driver_ids[] = {
 	{ "s3c2410-ts", 0 },
-	{ "s3c2440-ts", 1 },
+	{ "s3c2440-ts", 0 },
+	{ "s3c64xx-ts", FEAT_PEN_IRQ },
 	{ }
 };
 MODULE_DEVICE_TABLE(platform, s3cts_driver_ids);
 
 static struct platform_driver s3c_ts_driver = {
 	.driver         = {
-		.name   = "s3c24xx-ts",
+		.name   = "samsung-ts",
 		.owner  = THIS_MODULE,
 #ifdef CONFIG_PM
 		.pm	= &s3c_ts_pmops,
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 82227b0..567d572 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -1295,8 +1295,8 @@ static void usbtouch_close(struct input_dev *input)
 static void usbtouch_free_buffers(struct usb_device *udev,
 				  struct usbtouch_usb *usbtouch)
 {
-	usb_buffer_free(udev, usbtouch->type->rept_size,
-	                usbtouch->data, usbtouch->data_dma);
+	usb_free_coherent(udev, usbtouch->type->rept_size,
+			  usbtouch->data, usbtouch->data_dma);
 	kfree(usbtouch->buffer);
 }
 
@@ -1340,8 +1340,8 @@ static int usbtouch_probe(struct usb_interface *intf,
 	if (!type->process_pkt)
 		type->process_pkt = usbtouch_process_pkt;
 
-	usbtouch->data = usb_buffer_alloc(udev, type->rept_size,
-	                                  GFP_KERNEL, &usbtouch->data_dma);
+	usbtouch->data = usb_alloc_coherent(udev, type->rept_size,
+					    GFP_KERNEL, &usbtouch->data_dma);
 	if (!usbtouch->data)
 		goto out_free;