diff options
Diffstat (limited to 'recipes/linux/linux-jlime-jornada7xx-2.6.17/Newfile-Jornada720_ts.patch')
| -rw-r--r-- | recipes/linux/linux-jlime-jornada7xx-2.6.17/Newfile-Jornada720_ts.patch | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/recipes/linux/linux-jlime-jornada7xx-2.6.17/Newfile-Jornada720_ts.patch b/recipes/linux/linux-jlime-jornada7xx-2.6.17/Newfile-Jornada720_ts.patch new file mode 100644 index 0000000000..b565d1077b --- /dev/null +++ b/recipes/linux/linux-jlime-jornada7xx-2.6.17/Newfile-Jornada720_ts.patch @@ -0,0 +1,106 @@ +--- linux-2.6.17-vanilla/drivers/input/touchscreen/jornada720_ts.c 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.17/drivers/input/touchscreen/jornada720_ts.c 2006-07-10 17:06:11.000000000 +0000 +@@ -0,0 +1,103 @@ ++/* ++ * Jornada 720 touchscreen interface based on Jornada 56x interface ++ */ ++ ++#include <linux/input.h> ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++#include <linux/slab.h> ++#include <linux/errno.h> ++#include <linux/interrupt.h> ++ ++#include <asm/arch/hardware.h> ++#include <asm/arch/jornada720.h> ++#include <asm/irq.h> ++#include <asm/mach/irq.h> ++ ++MODULE_AUTHOR("Alex Lange <chicken@handhelds.org>"); ++MODULE_DESCRIPTION("Jornada 720 touchscreen driver"); ++MODULE_LICENSE("GPL"); ++ ++static char jornada720_ts_name[] = "Jornada 720 touchscreen"; ++ ++static struct input_dev *dev; ++ ++static irqreturn_t jornada720_mouse_interrupt(int irq, void *dev_id, struct pt_regs *regs) ++{ ++ int down; ++ int X[3], Y[3], high_x, high_y, x, y; ++ ++ udelay(1); ++ ++ down = ( (GPLR & GPIO_JORNADA720_MOUSE) == 0); ++ ++ if(!down) { ++ input_report_key(dev, BTN_TOUCH, down); /* report a pen up */ ++ input_report_abs(dev, ABS_PRESSURE, 0); ++ input_sync(dev); ++ return IRQ_HANDLED; ++ } ++ ++ /* read x & y data from mcu interface and pass it on */ ++ ++ jornada720_mcu_start(MCU_GetTouchSamples); ++ X[0] = jornada720_mcu_read(); ++ X[1] = jornada720_mcu_read(); ++ X[2] = jornada720_mcu_read(); ++ Y[0] = jornada720_mcu_read(); ++ Y[1] = jornada720_mcu_read(); ++ Y[2] = jornada720_mcu_read(); ++ high_x = jornada720_mcu_read(); /* msbs of samples */ ++ high_y = jornada720_mcu_read(); ++ jornada720_mcu_end(); ++ ++ X[0] |= (high_x & 3) << 8; ++ X[1] |= (high_x & 0xc) << 6; ++ X[2] |= (high_x & 0x30) << 4; ++ ++ Y[0] |= (high_y & 3) << 8; ++ Y[1] |= (high_y & 0xc) << 6; ++ Y[2] |= (high_y & 0x30) << 4; ++ ++ /* simple averaging filter */ ++ x = (X[0] + X[1] + X[2])/3; ++ y = (Y[0] + Y[1] + Y[2])/3; ++ ++ input_report_key(dev, BTN_TOUCH, down); ++ input_report_abs(dev, ABS_X, x); ++ input_report_abs(dev, ABS_Y, y); ++ input_report_abs(dev, ABS_PRESSURE, 1); ++ input_sync(dev); ++ ++ return IRQ_HANDLED; ++ ++} ++ ++static int __init jornada720_ts_init(void) ++{ ++ printk("jornada720_ts: Jornada 720 touchscreen\n"); ++ ++ dev = input_allocate_device(); ++ dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); ++ dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); ++ dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); ++ ++ dev->absmin[ABS_X] = 270; dev->absmin[ABS_Y] = 180; ++ dev->absmax[ABS_X] = 3900; dev->absmax[ABS_Y] = 3700; ++ ++ dev->name = jornada720_ts_name; ++ ++ if (request_irq(GPIO_JORNADA720_MOUSE_IRQ, jornada720_mouse_interrupt, SA_INTERRUPT, "Jornada720 Mouse", NULL)) ++ printk("Unable to grab Jornada 720 touchscreen IRQ!\n"); ++ ++ set_irq_type(GPIO_JORNADA720_MOUSE_IRQ, IRQT_RISING); ++ ++ input_register_device(dev); ++ ++ return 0; ++} ++ ++module_init(jornada720_ts_init); ++ |