linux-ezx: remove old kernel, update 2.6.21 and add script to generate SRC_URI from the quilt series in svn

1 files changed, 404 insertions, 0 deletions

diff --git a/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch b/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch
new file mode 100755
index 0000000000..28b9c557d3
--- /dev/null
+++ b/packages/linux/linux-ezx-2.6.21/patches/pcap-ts.patch
@@ -0,0 +1,404 @@
+Index: linux-2.6.21/drivers/input/touchscreen/Kconfig
+===================================================================
+--- linux-2.6.21.orig/drivers/input/touchscreen/Kconfig	2007-06-02 20:17:58.000000000 -0300
++++ linux-2.6.21/drivers/input/touchscreen/Kconfig	2007-06-02 20:18:40.000000000 -0300
+@@ -164,4 +164,13 @@
+ 	  To compile this driver as a module, choose M here: the
+ 	  module will be called ucb1400_ts.
+ 
++config TOUCHSCREEN_PCAP
++	tristate "Motorola PCAP touchscreen"
++	depends on EZX_PCAP
++	help
++	  Say Y here if you have a Motorola EZX telephone and
++	  want to support the built-in touchscreen.
++
++	  If unsure, say N.
++
+ endif
+Index: linux-2.6.21/drivers/input/touchscreen/pcap_ts.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.21/drivers/input/touchscreen/pcap_ts.c	2007-06-02 20:19:39.000000000 -0300
+@@ -0,0 +1,372 @@
++/*
++ * pcap_ts.c - Touchscreen driver for Motorola PCAP2 based touchscreen as found
++ * 	       in the EZX phone platform.
++ *
++ *  Copyright (C) 2006 Harald Welte <laforge@openezx.org>
++ *  Copyright (C) 2007 Daniel Ribeiro <drwyrm@gmail.com>
++ *
++ *  Based on information found in the original Motorola 2.4.x ezx-ts.c driver.
++ *
++ *  This program is free software; you can redistribute it and/or modify
++ *  it under the terms of the GNU General Public License version 2 as
++ *  published by the Free Software Foundation.
++ *
++ * TODO:
++ * 	split this in a hardirq handler and a tasklet/bh
++ */
++
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/fs.h>
++#include <linux/string.h>
++#include <linux/pm.h>
++#include <linux/timer.h>
++#include <linux/interrupt.h>
++#include <linux/platform_device.h>
++#include <linux/input.h>
++
++#include <asm/arch/hardware.h>
++#include <asm/arch/pxa-regs.h>
++#include <asm/arch/ezx-pcap.h>
++
++#if 0
++#define DEBUGP(x, args ...) printk(x, ## args)
++#else
++#define DEBUGP(x, args ...)
++#endif
++
++#define PRESSURE 1
++#define COORDINATE 2
++#define STANDBY 3
++
++extern int ezx_pcap_read(u_int8_t, u_int32_t *);
++extern int ezx_pcap_write(u_int8_t, u_int32_t);
++extern int ezx_pcap_bit_set(u_int32_t, u_int8_t);
++
++struct pcap_ts {
++	int irq_xy;
++	int irq_touch;
++	struct input_dev *input;
++	struct timer_list timer;
++
++	u_int16_t x, y;
++	u_int16_t pressure;
++
++	u_int8_t read_state;
++};
++
++#define X_AXIS_MIN	0
++#define X_AXIS_MAX	1023
++
++#define Y_AXIS_MAX	X_AXIS_MAX
++#define Y_AXIS_MIN	X_AXIS_MIN
++
++#define PRESSURE_MAX	X_AXIS_MAX
++#define PRESSURE_MIN	X_AXIS_MIN
++
++/* if we try to read faster, pressure reading becomes unreliable */
++#define SAMPLE_INTERVAL		(HZ/50)
++
++
++static void pcap_ts_mode(u_int32_t mode)
++{
++	u_int32_t tmp;
++
++	ezx_pcap_read(SSP_PCAP_ADJ_ADC1_REGISTER, &tmp);
++	tmp &= ~SSP_PCAP_TOUCH_PANEL_POSITION_DETECT_MODE_MASK;
++	tmp |= mode;
++	ezx_pcap_write(SSP_PCAP_ADJ_ADC1_REGISTER, tmp);
++}
++
++/* issue a XY read command to the ADC of PCAP2.  Well get an ADCDONE2 interrupt
++ * once the result of the conversion is available */
++static void pcap_ts_start_xy_read(struct pcap_ts *pcap_ts)
++{
++	u_int32_t tmp;
++
++	ezx_pcap_read(SSP_PCAP_ADJ_ADC1_REGISTER, &tmp);
++	tmp &= SSP_PCAP_ADC_START_VALUE_SET_MASK;
++	tmp |= SSP_PCAP_ADC_START_VALUE;
++	ezx_pcap_write(SSP_PCAP_ADJ_ADC1_REGISTER, tmp);
++	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_ADC2_ASC, 1);
++}
++
++/* read the XY result from the ADC of PCAP2 */
++static void pcap_ts_get_xy_value(struct pcap_ts *pcap_ts)
++{
++	u_int32_t tmp;
++
++	ezx_pcap_read(SSP_PCAP_ADJ_ADC2_REGISTER, &tmp);
++
++	if (pcap_ts->read_state == COORDINATE && !(tmp & 0x00400000)) {
++		pcap_ts->x = (tmp & SSP_PCAP_ADD1_VALUE_MASK);
++		pcap_ts->y = (tmp & SSP_PCAP_ADD2_VALUE_MASK)
++						>>SSP_PCAP_ADD2_VALUE_SHIFT;
++	} else {
++		pcap_ts->pressure = (tmp & SSP_PCAP_ADD2_VALUE_MASK)
++						>>SSP_PCAP_ADD2_VALUE_SHIFT;
++	}
++
++}
++
++/* PCAP2 interrupts us when ADC conversion result is available */
++static irqreturn_t pcap_ts_irq_xy(int irq, void *dev_id)
++{
++	struct pcap_ts *pcap_ts = dev_id;
++
++	pcap_ts_get_xy_value(pcap_ts);
++	DEBUGP(KERN_DEBUG "%s X=%4d, Y=%4d Z=%4d ",
++		pcap_ts->read_state == COORDINATE ? "COORD" : "PRESS",
++		pcap_ts->x, pcap_ts->y, pcap_ts->pressure);
++
++	switch (pcap_ts->read_state) {
++	case PRESSURE:
++		if (pcap_ts->pressure >= PRESSURE_MAX ||
++		     pcap_ts->pressure <= PRESSURE_MIN ) {
++			/* pen has been released (or cant read pressure - WM)*/
++			DEBUGP("UP\n");
++			/* do nothing */
++		} else {
++			/* pen has been touched down */
++			DEBUGP("DOWN\n");
++			input_report_key(pcap_ts->input, BTN_TOUCH, 1);
++			input_report_abs(pcap_ts->input, ABS_PRESSURE, pcap_ts->pressure);
++		}
++		/* switch state machine into coordinate read mode */
++		pcap_ts->read_state = COORDINATE;
++		pcap_ts_mode(PCAP_TS_POSITION_XY_MEASUREMENT);
++		pcap_ts_start_xy_read(pcap_ts);
++		break;
++	case COORDINATE:
++		if (pcap_ts->x <= X_AXIS_MIN || pcap_ts->x >= X_AXIS_MAX ||
++		    pcap_ts->y <= Y_AXIS_MIN || pcap_ts->y >= Y_AXIS_MAX) {
++			/* pen has been released */
++			DEBUGP("UP END\n");
++
++			input_report_key(pcap_ts->input, BTN_TOUCH, 0);
++			input_report_abs(pcap_ts->input, ABS_PRESSURE, 0);
++
++			/* no need for timer, we'll get interrupted with
++			 * next touch down event */
++			del_timer(&pcap_ts->timer);
++
++			/* ask PCAP2 to interrupt us if touch event happens
++			 * again */
++			pcap_ts->read_state = STANDBY;
++			pcap_ts_mode(PCAP_TS_STANDBY_MODE);
++			ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0);
++		} else {
++			DEBUGP("DOWN\n");
++			input_report_abs(pcap_ts->input, ABS_X, pcap_ts->x);
++			input_report_abs(pcap_ts->input, ABS_Y, pcap_ts->y);
++
++			/* switch back to pressure read mode */
++			pcap_ts->read_state = PRESSURE;
++			pcap_ts_mode(PCAP_TS_PRESSURE_MEASUREMENT);
++			mod_timer(&pcap_ts->timer, jiffies + SAMPLE_INTERVAL);
++		}
++		input_sync(pcap_ts->input);
++		break;
++	default:
++		DEBUGP("ERROR\n");
++		break;
++	}
++
++	return IRQ_HANDLED;
++}
++
++/* PCAP2 interrupts us if the pen touches down (interrupts also on pen up - WM)*/
++static irqreturn_t pcap_ts_irq_touch(int irq, void *dev_id)
++{
++	struct pcap_ts *pcap_ts = dev_id;
++
++	/* mask Touchscreen interrupt bit, prevents further touch events
++	 * from being reported to us until we're finished with reading
++	 * both pressure and x/y from ADC */
++	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 1);
++
++	DEBUGP("touched!!\n");
++	pcap_ts_mode(PCAP_TS_PRESSURE_MEASUREMENT);
++	pcap_ts->read_state = PRESSURE;
++	pcap_ts_start_xy_read(pcap_ts);
++
++	return IRQ_HANDLED;
++}
++
++static void pcap_ts_timer_fn(unsigned long data)
++{
++	struct pcap_ts *pcap_ts = (struct pcap_ts *) data;
++
++	pcap_ts_start_xy_read(pcap_ts);
++}
++
++static int __init ezxts_probe(struct platform_device *pdev)
++{
++	int ret;
++	u_int32_t tmp;
++	struct pcap_ts *pcap_ts;
++	struct input_dev *input_dev;
++	int err = -ENOMEM;
++
++	pcap_ts = kzalloc(sizeof(*pcap_ts), GFP_KERNEL);
++	input_dev = input_allocate_device();
++	if (!pcap_ts || !input_dev)
++		goto fail;
++
++	pcap_ts->irq_xy = platform_get_irq(pdev, 0);
++	if (pcap_ts->irq_xy < 0) {
++		err = pcap_ts->irq_xy;
++		goto fail;
++	}
++
++	pcap_ts->irq_touch = platform_get_irq(pdev, 1);
++	if (pcap_ts->irq_touch < 0) {
++		err = pcap_ts->irq_touch;
++		goto fail;
++	}
++
++	// Some initialization before done in ssp_pcap_open()
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_TS_REFENB, 0);
++	// ack interrupts
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ISR_ADCDONE2I, 1);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ISR_TSI, 1);
++	// unmask interrupts
++	// ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_MSR_TSM, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_MSR_ADCDONE2M, 0);
++	// set adc bits? FIXME I dont think its necessary - WM
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC2_ADINC1, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC2_ADINC2, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO0, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO1, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO2, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATO3, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_ATOX, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_MTR1, 0);
++	ezx_pcap_bit_set( SSP_PCAP_ADJ_BIT_ADC1_MTR2, 0);
++
++	ret = ezx_pcap_read(SSP_PCAP_ADJ_ADC1_REGISTER, &tmp);
++	if (ret < 0)
++		return ret;
++
++	tmp &= (~SSP_PCAP_TOUCH_PANEL_POSITION_DETECT_MODE_MASK);
++	tmp |= PCAP_TS_STANDBY_MODE;
++
++	ret = ezx_pcap_write(SSP_PCAP_ADJ_ADC1_REGISTER, tmp);
++	if (ret < 0)
++		return ret;
++
++	err = request_irq(pcap_ts->irq_xy, pcap_ts_irq_xy, SA_INTERRUPT,
++			  "pcap-ts X/Y", pcap_ts);
++	if (err < 0) {
++		printk(KERN_ERR "pcap_ts: can't grab xy irq %d: %d\n",
++		       pcap_ts->irq_xy, err);
++		goto fail;
++	}
++
++	err = request_irq(pcap_ts->irq_touch, pcap_ts_irq_touch, SA_INTERRUPT,
++			  "pcap-ts touch", pcap_ts);
++	if (err < 0) {
++		printk(KERN_ERR "pcap_ts: can't grab touch irq %d: %d\n",
++		       pcap_ts->irq_touch, err);
++		goto fail_xy;
++	}
++
++	pcap_ts->input = input_dev;
++	init_timer(&pcap_ts->timer);
++	pcap_ts->timer.data = (unsigned long) pcap_ts;
++	pcap_ts->timer.function = &pcap_ts_timer_fn;
++
++	platform_set_drvdata(pdev, pcap_ts);
++
++	pcap_ts->read_state = STANDBY;
++	pcap_ts_mode(PCAP_TS_STANDBY_MODE);
++
++	/* enable pressure interrupt */
++	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0);
++
++	input_dev->name = "pcap-touchscreen";
++	input_dev->phys = "ezxts/input0";
++	input_dev->id.bustype = BUS_HOST;
++	input_dev->id.vendor = 0x0001;
++	input_dev->id.product = 0x0002;
++	input_dev->id.version = 0x0100;
++	input_dev->cdev.dev = &pdev->dev;
++	input_dev->private = pcap_ts;
++
++	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
++	input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
++	input_set_abs_params(input_dev, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
++	input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
++	input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN,
++			     PRESSURE_MAX, 0, 0);
++
++	input_register_device(pcap_ts->input);
++
++	return 0;
++
++fail_xy:
++	free_irq(pcap_ts->irq_xy, pcap_ts);
++fail:
++	input_free_device(input_dev);
++	kfree(pcap_ts);
++
++	return err;
++}
++
++static int ezxts_remove(struct platform_device *pdev)
++{
++	struct pcap_ts *pcap_ts = platform_get_drvdata(pdev);
++
++	del_timer_sync(&pcap_ts->timer);
++
++	free_irq(pcap_ts->irq_touch, pcap_ts);
++	free_irq(pcap_ts->irq_xy, pcap_ts);
++
++	input_unregister_device(pcap_ts->input);
++	kfree(pcap_ts);
++
++	return 0;
++}
++
++static int ezxts_suspend(struct platform_device *dev, pm_message_t state)
++{
++	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_ADC1_TS_REF_LOWPWR, 1);
++        return 0;
++}
++
++static int ezxts_resume(struct platform_device *dev)
++{
++	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_ADC1_TS_REF_LOWPWR, 0);
++	/* just in case we suspend with TSI masked. */
++	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0);
++        return 0;
++}
++
++
++static struct platform_driver ezxts_driver = {
++	.probe		= ezxts_probe,
++	.remove		= ezxts_remove,
++	.suspend	= ezxts_suspend,
++	.resume		= ezxts_resume,
++	.driver		= {
++		.name	= "pcap-ts",
++		.owner	= THIS_MODULE,
++	},
++};
++
++static int __init ezxts_init(void)
++{
++	return platform_driver_register(&ezxts_driver);
++}
++
++static void __exit ezxts_exit(void)
++{
++	platform_driver_unregister(&ezxts_driver);
++}
++
++module_init(ezxts_init);
++module_exit(ezxts_exit);
++
++MODULE_DESCRIPTION("Motorola PCAP2 touchscreen driver");
++MODULE_AUTHOR("Harald Welte <laforge@openezx.org>");
++MODULE_LICENSE("GPL");
+Index: linux-2.6.21/drivers/input/touchscreen/Makefile
+===================================================================
+--- linux-2.6.21.orig/drivers/input/touchscreen/Makefile	2007-06-02 20:17:58.000000000 -0300
++++ linux-2.6.21/drivers/input/touchscreen/Makefile	2007-06-02 20:18:40.000000000 -0300
+@@ -16,3 +16,4 @@
+ obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT)	+= touchright.o
+ obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN)	+= touchwin.o
+ obj-$(CONFIG_TOUCHSCREEN_UCB1400)	+= ucb1400_ts.o
++obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o