#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))
S3C2410_ADCTSC_AUTO_PST | \
S3C2410_ADCTSC_XY_PST(0))
+#define FEAT_PEN_IRQ (1 << 0) /* HAS ADCCLRINTPNDNUP */
+
/* Per-touchscreen data. */
/**
* @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;
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.
if (down)
s3c_adc_start(ts.client, 0, 1 << ts.shift);
else
- dev_info(ts.dev, "%s: count=%d\n", __func__, ts.count);
+ dev_dbg(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;
}
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);
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);
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,