Add support for the s3c64xx touchscreen to the s3c2410_ts driver, ensuring it compiles and supports the extra features such as the interrupt generation.
Signed-off-by: Maurus Cuelenaere <[email protected]> --- drivers/input/touchscreen/Kconfig | 6 +++--- drivers/input/touchscreen/s3c2410_ts.c | 26 ++++++++++++++++++++++---- 2 files changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 8a8fa4d..be8e9ba 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -158,11 +158,11 @@ 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 98a7d12..66d1c83 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -87,6 +87,12 @@ struct s3c2410ts { static struct s3c2410ts ts; +enum s3c_cpu_type { + TYPE_S3C2410, + TYPE_S3C2440, + TYPE_S3C64XX, +}; + /** * s3c2410_ts_connect - configure gpio for s3c2410 systems * @@ -96,10 +102,14 @@ static struct s3c2410ts ts; */ static inline void s3c2410_ts_connect(void) { +#ifdef PLAT_S3C24XX + /* As s3c2410_gpio_cfgpin() isn't defined for non-s3c24xx builds, + guard these with an ifdef. */ 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 } /** @@ -170,6 +180,7 @@ 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; @@ -188,6 +199,12 @@ 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; } @@ -297,7 +314,7 @@ 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(); ts.client = s3c_adc_register(pdev, s3c24xx_ts_select, @@ -420,15 +437,16 @@ static struct dev_pm_ops s3c_ts_pmops = { #endif static struct platform_device_id s3cts_driver_ids[] = { - { "s3c2410-ts", 0 }, - { "s3c2440-ts", 1 }, + { "s3c2410-ts", TYPE_S3C2410 }, + { "s3c2440-ts", TYPE_S3C2440 }, + { "s3c64xx-ts", TYPE_S3C64XX }, { } }; MODULE_DEVICE_TABLE(platform, s3cts_driver_ids); static struct platform_driver s3c_ts_driver = { .driver = { - .name = "s3c24xx-ts", + .name = "s3c-ts", .owner = THIS_MODULE, #ifdef CONFIG_PM .pm = &s3c_ts_pmops, -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
