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[5/7] ARM: S3C64XX: Add s3c64xx support to touchscreen driver

Message ID b2e8f9f71003081038v5096204dm8bb4bfaeadb3203d@mail.gmail.com
State New, archived
Headers show

Commit Message

Maurus Cuelenaere March 8, 2010, 6:38 p.m. UTC
None
diff mbox

Patch

diff --git a/drivers/input/touchscreen/Kconfig
b/drivers/input/touchscreen/Kconfig
index dfafc76..0378b3d 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -146,11 +146,11 @@  config TOUCHSCREEN_FUJITSU
 	  module will be called fujitsu-ts.

 config TOUCHSCREEN_S3C2410
-	tristate "Samsung S3C2410 touchscreen input driver"
-	depends on ARCH_S3C2410
+	tristate "Samsung S3C touchscreen input driver"
+	depends on ARCH_S3C2410 || ARCH_S3C64XX
 	select S3C24XX_ADC
 	help
-	  Say Y here if you have the s3c2410 touchscreen.
+	  Say Y here if you have the s3c touchscreen.

 	  If unsure, say N.

diff --git a/drivers/input/touchscreen/s3c2410_ts.c
b/drivers/input/touchscreen/s3c2410_ts.c
index 0cd0ca6..04c990e 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -40,7 +40,9 @@ 
 #include <plat/regs-adc.h>
 #include <plat/ts.h>

+#ifdef PLAT_S3C24XX
 #include <mach/regs-gpio.h>
+#endif

 #define TSC_SLEEP  (S3C2410_ADCTSC_PULL_UP_DISABLE | S3C2410_ADCTSC_XY_PST(0))

@@ -88,6 +90,12 @@  struct s3c2410ts {

 static struct s3c2410ts ts;

+enum s3c_cpu_type {
+	TYPE_S3C2410,
+	TYPE_S3C2440,
+	TYPE_S3C64XX,
+};
+
 /**
  * s3c2410_ts_connect - configure gpio for s3c2410 systems
  *
@@ -97,10 +105,12 @@  static struct s3c2410ts ts;
 */
 static inline void s3c2410_ts_connect(void)
 {
+#ifdef PLAT_S3C24XX
 	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);
+#endif
 }

 /**
@@ -169,6 +179,7 @@  static DEFINE_TIMER(touch_timer, touch_timer_fire, 0, 0);
  */
 static irqreturn_t stylus_irq(int irq, void *dev_id)
 {
+	struct platform_device *pdev = to_platform_device(ts.dev);
 	unsigned long data0;
 	unsigned long data1;
 	bool down;
@@ -187,6 +198,12 @@  static irqreturn_t stylus_irq(int irq, void *dev_id)
 	else
 		dev_info(ts.dev, "%s: count=%d\n", __func__, ts.count);

+
+	if (platform_get_device_id(pdev)->driver_data == TYPE_S3C64XX) {
+		/* Clear pen down/up interrupt */
+		writel(0x0, ts.io + S3C64XX_ADCCLRINTPNDNUP);
+	}
+
 	return IRQ_HANDLED;
 }

@@ -296,7 +313,7 @@  static int __devinit s3c2410ts_probe(struct
platform_device *pdev)
 	}

 	/* Configure the touchscreen external FETs on the S3C2410 */
-	if (!platform_get_device_id(pdev)->driver_data)
+	if (platform_get_device_id(pdev)->driver_data == TYPE_S3C2410)
 		s3c2410_ts_connect();