linux-rp: cleaned Tosa patches (my fault)

1 files changed, 0 insertions, 2899 deletions

diff --git a/packages/linux/linux-rp-2.6.23/wm97xx-lg13-r0.patch b/packages/linux/linux-rp-2.6.23/wm97xx-lg13-r0.patch
index b029ccc066..c918c5daff 100644
--- a/packages/linux/linux-rp-2.6.23/wm97xx-lg13-r0.patch
+++ b/packages/linux/linux-rp-2.6.23/wm97xx-lg13-r0.patch
@@ -2897,2902 +2897,3 @@ Index: linux-2.6.17/include/linux/wm97xx.h
 +
 +extern struct bus_type wm97xx_bus_type;
 +#endif
-Index: linux-2.6.17/drivers/input/touchscreen/Kconfig
-===================================================================
---- linux-2.6.17.orig/drivers/input/touchscreen/Kconfig	2006-09-19 20:35:35.060495500 +0200
-+++ linux-2.6.17/drivers/input/touchscreen/Kconfig	2006-09-19 20:36:47.965051750 +0200
-@@ -121,4 +121,57 @@ config TOUCHSCREEN_TSC2101
- 	  To compile this driver as a module, choose M here: the
- 	  module will be called ads7846_ts.
- 
-+config TOUCHSCREEN_WM97XX
-+	tristate "Support for WM97xx AC97 touchscreen controllers"
-+	depends SND_AC97_BUS
-+
-+choice
-+	prompt "WM97xx codec type"
-+
-+config TOUCHSCREEN_WM9705
-+	bool "WM9705 Touchscreen interface support"
-+	depends on TOUCHSCREEN_WM97XX
-+	help
-+	  Say Y here if you have the wm9705 touchscreen.
-+
-+	  If unsure, say N.
-+
-+	  To compile this driver as a module, choose M here: the
-+	  module will be called wm9705.
-+
-+config TOUCHSCREEN_WM9712
-+	bool "WM9712 Touchscreen interface support"
-+	depends on TOUCHSCREEN_WM97XX
-+	help
-+	  Say Y here if you have the wm9712 touchscreen.
-+
-+	  If unsure, say N.
-+
-+	  To compile this driver as a module, choose M here: the
-+	  module will be called wm9712.
-+
-+config TOUCHSCREEN_WM9713
-+	bool "WM9713 Touchscreen interface support"
-+	depends on TOUCHSCREEN_WM97XX
-+	help
-+	  Say Y here if you have the wm9713 touchscreen.
-+
-+	  If unsure, say N.
-+
-+	  To compile this driver as a module, choose M here: the
-+	  module will be called wm9713.
-+
-+endchoice
-+
-+config TOUCHSCREEN_WM97XX_PXA
-+	tristate "WM97xx PXA accelerated touch"
-+	depends on TOUCHSCREEN_WM97XX && ARCH_PXA
-+	help
-+	  Say Y here for continuous mode touch on the PXA
-+
-+	  If unsure, say N
-+
-+	  To compile this driver as a module, choose M here: the
-+	  module will be called pxa-wm97xx
-+
- endif
-Index: linux-2.6.17/drivers/input/touchscreen/Makefile
-===================================================================
---- linux-2.6.17.orig/drivers/input/touchscreen/Makefile	2006-09-19 20:35:35.072496250 +0200
-+++ linux-2.6.17/drivers/input/touchscreen/Makefile	2006-09-19 20:37:40.540337500 +0200
-@@ -4,6 +4,8 @@
- 
- # Each configuration option enables a list of files.
- 
-+wm97xx-ts-objs := wm97xx-core.o
-+
- obj-$(CONFIG_TOUCHSCREEN_ADS7846)	+= ads7846.o
- obj-$(CONFIG_TOUCHSCREEN_BITSY)	+= h3600_ts_input.o
- obj-$(CONFIG_TOUCHSCREEN_CORGI)	+= corgi_ts.o
-@@ -13,3 +15,16 @@ obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtou
- obj-$(CONFIG_TOUCHSCREEN_MK712)	+= mk712.o
- obj-$(CONFIG_TOUCHSCREEN_HP600)	+= hp680_ts_input.o
- obj-$(CONFIG_TOUCHSCREEN_TSC2101)	+= tsc2101_ts.o
-+obj-$(CONFIG_TOUCHSCREEN_WM97XX)    	+= wm97xx-ts.o
-+obj-$(CONFIG_TOUCHSCREEN_WM97XX_PXA)    += pxa-wm97xx.o
-+
-+ifeq ($(CONFIG_TOUCHSCREEN_WM9713),y)
-+wm97xx-ts-objs += wm9713.o
-+endif
-+
-+ifeq ($(CONFIG_TOUCHSCREEN_WM9712),y)
-+wm97xx-ts-objs += wm9712.o
-+endif
-+ifeq ($(CONFIG_TOUCHSCREEN_WM9705),y)
-+wm97xx-ts-objs += wm9705.o
-+endif
-Index: linux-2.6.17/drivers/input/touchscreen/pxa-wm97xx.c
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.17/drivers/input/touchscreen/pxa-wm97xx.c	2006-09-19 20:36:47.965051750 +0200
-@@ -0,0 +1,289 @@
-+/*
-+ * pxa-wm97xx.c  --  pxa-wm97xx Continuous Touch screen driver for
-+ *                   Wolfson WM97xx AC97 Codecs.
-+ *
-+ * Copyright 2004 Wolfson Microelectronics PLC.
-+ * Author: Liam Girdwood
-+ *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
-+ * Parts Copyright : Ian Molton <spyro@f2s.com>
-+ *                   Andrew Zabolotny <zap@homelink.ru>
-+ *
-+ *  This program is free software; you can redistribute  it and/or modify it
-+ *  under  the terms of  the GNU General  Public License as published by the
-+ *  Free Software Foundation;  either version 2 of the  License, or (at your
-+ *  option) any later version.
-+ *
-+ * Notes:
-+ *     This is a wm97xx extended touch driver to capture touch
-+ *     data in a continuous manner on the Intel XScale archictecture
-+ *
-+ *  Features:
-+ *       - codecs supported:- WM9705, WM9712, WM9713
-+ *       - processors supported:- Intel XScale PXA25x, PXA26x, PXA27x
-+ *
-+ *  Revision history
-+ *    18th Aug 2004   Initial version.
-+ *    26th Jul 2005   Improved continous read back and added FIFO flushing.
-+ *    06th Sep 2005   Mike Arthur <linux@wolfsonmicro.com>
-+ *                    Moved to using the wm97xx bus
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/version.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/delay.h>
-+#include <linux/irq.h>
-+#include <linux/wm97xx.h>
-+#include <asm/io.h>
-+#include <asm/arch/pxa-regs.h>
-+
-+#define VERSION		"0.13"
-+
-+struct continuous {
-+	u16 id;    /* codec id */
-+	u8 code;   /* continuous code */
-+	u8 reads;  /* number of coord reads per read cycle */
-+	u32 speed; /* number of coords per second */
-+};
-+
-+#define WM_READS(sp) ((sp / HZ) + 1)
-+
-+static const struct continuous cinfo[] = {
-+	{WM9705_ID2, 0, WM_READS(94), 94},
-+	{WM9705_ID2, 1, WM_READS(188), 188},
-+	{WM9705_ID2, 2, WM_READS(375), 375},
-+	{WM9705_ID2, 3, WM_READS(750), 750},
-+	{WM9712_ID2, 0, WM_READS(94), 94},
-+	{WM9712_ID2, 1, WM_READS(188), 188},
-+	{WM9712_ID2, 2, WM_READS(375), 375},
-+	{WM9712_ID2, 3, WM_READS(750), 750},
-+	{WM9713_ID2, 0, WM_READS(94), 94},
-+	{WM9713_ID2, 1, WM_READS(120), 120},
-+	{WM9713_ID2, 2, WM_READS(154), 154},
-+	{WM9713_ID2, 3, WM_READS(188), 188},
-+};
-+
-+/* continuous speed index */
-+static int sp_idx = 0;
-+static u16 last = 0, tries = 0;
-+
-+/*
-+ * Pen sampling frequency (Hz) in continuous mode.
-+ */
-+static int cont_rate = 200;
-+module_param(cont_rate, int, 0);
-+MODULE_PARM_DESC(cont_rate, "Sampling rate in continuous mode (Hz)");
-+
-+/*
-+ * Pen down detection.
-+ *
-+ * This driver can either poll or use an interrupt to indicate a pen down
-+ * event. If the irq request fails then it will fall back to polling mode.
-+ */
-+static int pen_int = 1;
-+module_param(pen_int, int, 0);
-+MODULE_PARM_DESC(pen_int, "Pen down detection (1 = interrupt, 0 = polling)");
-+
-+/*
-+ * Pressure readback.
-+ *
-+ * Set to 1 to read back pen down pressure
-+ */
-+static int pressure = 0;
-+module_param(pressure, int, 0);
-+MODULE_PARM_DESC(pressure, "Pressure readback (1 = pressure, 0 = no pressure)");
-+
-+/*
-+ * AC97 touch data slot.
-+ *
-+ * Touch screen readback data ac97 slot
-+ */
-+static int ac97_touch_slot = 5;
-+module_param(ac97_touch_slot, int, 0);
-+MODULE_PARM_DESC(ac97_touch_slot, "Touch screen data slot AC97 number");
-+
-+
-+/* flush AC97 slot 5 FIFO on pxa machines */
-+#ifdef CONFIG_PXA27x
-+void wm97xx_acc_pen_up (struct wm97xx* wm)
-+{
-+	set_current_state(TASK_INTERRUPTIBLE);
-+	schedule_timeout(1);
-+
-+	while (MISR & (1 << 2))
-+		MODR;
-+}
-+#else
-+void wm97xx_acc_pen_up (struct wm97xx* wm)
-+{
-+	int count = 16;
-+	set_current_state(TASK_INTERRUPTIBLE);
-+	schedule_timeout(1);
-+
-+	while (count < 16) {
-+		MODR;
-+		count--;
-+	}
-+}
-+#endif
-+
-+int wm97xx_acc_pen_down (struct wm97xx* wm)
-+{
-+	u16 x, y, p = 0x100 | WM97XX_ADCSEL_PRES;
-+	int reads = 0;
-+
-+	/* data is never immediately available after pen down irq */
-+	set_current_state(TASK_INTERRUPTIBLE);
-+	schedule_timeout(1);
-+
-+	if (tries > 5){
-+		tries = 0;
-+		return RC_PENUP;
-+	}
-+
-+	x = MODR;
-+	if (x == last) {
-+		tries++;
-+		return RC_AGAIN;
-+	}
-+	last = x;
-+	do {
-+		if (reads)
-+			x= MODR;
-+		y= MODR;
-+		if (pressure)
-+			p = MODR;
-+
-+		/* are samples valid */
-+		if ((x & 0x7000) != WM97XX_ADCSEL_X ||
-+			(y & 0x7000) != WM97XX_ADCSEL_Y ||
-+			(p & 0x7000) != WM97XX_ADCSEL_PRES)
-+			goto up;
-+
-+		/* coordinate is good */
-+		tries = 0;
-+		//printk("x %x y %x p %x\n", x,y,p);
-+		input_report_abs (wm->input_dev, ABS_X, x & 0xfff);
-+		input_report_abs (wm->input_dev, ABS_Y, y & 0xfff);
-+		input_report_abs (wm->input_dev, ABS_PRESSURE, p & 0xfff);
-+		input_sync (wm->input_dev);
-+		reads++;
-+	} while (reads < cinfo[sp_idx].reads);
-+up:
-+	return RC_PENDOWN | RC_AGAIN;
-+}
-+
-+int wm97xx_acc_startup(struct wm97xx* wm)
-+{
-+	int idx = 0;
-+
-+	/* check we have a codec */
-+	if (wm->ac97 == NULL)
-+		return -ENODEV;
-+
-+	/* Go you big red fire engine */
-+	for (idx = 0; idx < ARRAY_SIZE(cinfo); idx++) {
-+		if (wm->id != cinfo[idx].id)
-+			continue;
-+		sp_idx = idx;
-+		if (cont_rate <= cinfo[idx].speed)
-+			break;
-+	}
-+	wm->acc_rate = cinfo[sp_idx].code;
-+	wm->acc_slot = ac97_touch_slot;
-+	printk(KERN_INFO "pxa2xx accelerated touchscreen driver, %d samples (sec)\n",
-+		cinfo[sp_idx].speed);
-+
-+	/* codec specific irq config */
-+	if (pen_int) {
-+		switch (wm->id) {
-+			case WM9705_ID2:
-+				wm->pen_irq = IRQ_GPIO(4);
-+				set_irq_type(IRQ_GPIO(4), IRQT_BOTHEDGE);
-+				break;
-+			case WM9712_ID2:
-+			case WM9713_ID2:
-+				/* enable pen down interrupt */
-+				/* use PEN_DOWN GPIO 13 to assert IRQ on GPIO line 2 */
-+				wm->pen_irq = MAINSTONE_AC97_IRQ;
-+				wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
-+					WM97XX_GPIO_POL_HIGH, WM97XX_GPIO_STICKY, WM97XX_GPIO_WAKE);
-+				wm97xx_config_gpio(wm, WM97XX_GPIO_2, WM97XX_GPIO_OUT,
-+					WM97XX_GPIO_POL_HIGH, WM97XX_GPIO_NOTSTICKY, WM97XX_GPIO_NOWAKE);
-+				break;
-+			default:
-+				printk(KERN_WARNING "pen down irq not supported on this device\n");
-+				pen_int = 0;
-+				break;
-+		}
-+	}
-+
-+	return 0;
-+}
-+
-+void wm97xx_acc_shutdown(struct wm97xx* wm)
-+{
-+    /* codec specific deconfig */
-+	if (pen_int) {
-+		switch (wm->id & 0xffff) {
-+			case WM9705_ID2:
-+				wm->pen_irq = 0;
-+				break;
-+			case WM9712_ID2:
-+			case WM9713_ID2:
-+				/* disable interrupt */
-+				wm->pen_irq = 0;
-+				break;
-+		}
-+	}
-+}
-+
-+static struct wm97xx_mach_ops pxa_mach_ops = {
-+	.acc_enabled = 1,
-+	.acc_pen_up = wm97xx_acc_pen_up,
-+    .acc_pen_down = wm97xx_acc_pen_down,
-+    .acc_startup = wm97xx_acc_startup,
-+    .acc_shutdown = wm97xx_acc_shutdown,
-+};
-+
-+int pxa_wm97xx_probe(struct device *dev)
-+{
-+    struct wm97xx *wm = dev->driver_data;
-+    return wm97xx_register_mach_ops (wm, &pxa_mach_ops);
-+}
-+
-+int pxa_wm97xx_remove(struct device *dev)
-+{
-+	struct wm97xx *wm = dev->driver_data;
-+    wm97xx_unregister_mach_ops (wm);
-+    return 0;
-+}
-+
-+static struct device_driver  pxa_wm97xx_driver = {
-+    .name = "wm97xx-touchscreen",
-+    .bus = &wm97xx_bus_type,
-+    .owner = THIS_MODULE,
-+    .probe = pxa_wm97xx_probe,
-+    .remove = pxa_wm97xx_remove
-+};
-+
-+static int __init pxa_wm97xx_init(void)
-+{
-+    return driver_register(&pxa_wm97xx_driver);
-+}
-+
-+static void __exit pxa_wm97xx_exit(void)
-+{
-+    driver_unregister(&pxa_wm97xx_driver);
-+}
-+
-+module_init(pxa_wm97xx_init);
-+module_exit(pxa_wm97xx_exit);
-+
-+/* Module information */
-+MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
-+MODULE_DESCRIPTION("wm97xx continuous touch driver for pxa2xx");
-+MODULE_LICENSE("GPL");
-Index: linux-2.6.17/drivers/input/touchscreen/wm9705.c
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.17/drivers/input/touchscreen/wm9705.c	2006-09-19 20:36:47.969052000 +0200
-@@ -0,0 +1,360 @@
-+/*
-+ * wm9705.c  --  Codec driver for Wolfson WM9705 AC97 Codec.
-+ *
-+ * Copyright 2003, 2004, 2005, 2006 Wolfson Microelectronics PLC.
-+ * Author: Liam Girdwood
-+ *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
-+ * Parts Copyright : Ian Molton <spyro@f2s.com>
-+ *                   Andrew Zabolotny <zap@homelink.ru>
-+ *                   Russell King <rmk@arm.linux.org.uk>
-+ *
-+ *  This program is free software; you can redistribute  it and/or modify it
-+ *  under  the terms of  the GNU General  Public License as published by the
-+ *  Free Software Foundation;  either version 2 of the  License, or (at your
-+ *  option) any later version.
-+ *
-+ *  Revision history
-+ *     6th Sep 2006  Mike Arthur <linux@wolfsonmicro.com>
-+ *                   Added pre and post sample calls.
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/version.h>
-+#include <linux/kernel.h>
-+#include <linux/input.h>
-+#include <linux/delay.h>
-+#include <linux/bitops.h>
-+#include <linux/wm97xx.h>
-+
-+#define TS_NAME			"wm97xx"
-+#define WM9705_VERSION		"0.62"
-+#define DEFAULT_PRESSURE	0xb0c0
-+
-+/*
-+ * Debug
-+ */
-+#if 0
-+#define dbg(format, arg...) printk(KERN_DEBUG TS_NAME ": " format "\n" , ## arg)
-+#else
-+#define dbg(format, arg...)
-+#endif
-+#define err(format, arg...) printk(KERN_ERR TS_NAME ": " format "\n" , ## arg)
-+#define info(format, arg...) printk(KERN_INFO TS_NAME ": " format "\n" , ## arg)
-+#define warn(format, arg...) printk(KERN_WARNING TS_NAME ": " format "\n" , ## arg)
-+
-+/*
-+ * Module parameters
-+ */
-+
-+/*
-+ * Set current used for pressure measurement.
-+ *
-+ * Set pil = 2 to use 400uA
-+ *     pil = 1 to use 200uA and
-+ *     pil = 0 to disable pressure measurement.
-+ *
-+ * This is used to increase the range of values returned by the adc
-+ * when measureing touchpanel pressure.
-+ */
-+static int pil = 0;
-+module_param(pil, int, 0);
-+MODULE_PARM_DESC(pil, "Set current used for pressure measurement.");
-+
-+/*
-+ * Set threshold for pressure measurement.
-+ *
-+ * Pen down pressure below threshold is ignored.
-+ */
-+static int pressure = DEFAULT_PRESSURE & 0xfff;
-+module_param(pressure, int, 0);
-+MODULE_PARM_DESC(pressure, "Set threshold for pressure measurement.");
-+
-+/*
-+ * Set adc sample delay.
-+ *
-+ * For accurate touchpanel measurements, some settling time may be
-+ * required between the switch matrix applying a voltage across the
-+ * touchpanel plate and the ADC sampling the signal.
-+ *
-+ * This delay can be set by setting delay = n, where n is the array
-+ * position of the delay in the array delay_table below.
-+ * Long delays > 1ms are supported for completeness, but are not
-+ * recommended.
-+ */
-+static int delay = 4;
-+module_param(delay, int, 0);
-+MODULE_PARM_DESC(delay, "Set adc sample delay.");
-+
-+/*
-+ * Pen detect comparator threshold.
-+ *
-+ * 0 to Vmid in 15 steps, 0 = use zero power comparator with Vmid threshold
-+ * i.e. 1 =  Vmid/15 threshold
-+ *      15 =  Vmid/1 threshold
-+ *
-+ * Adjust this value if you are having problems with pen detect not
-+ * detecting any down events.
-+ */
-+static int pdd = 8;
-+module_param(pdd, int, 0);
-+MODULE_PARM_DESC(pdd, "Set pen detect comparator threshold");
-+
-+/*
-+ * Set adc mask function.
-+ *
-+ * Sources of glitch noise, such as signals driving an LCD display, may feed
-+ * through to the touch screen plates and affect measurement accuracy. In
-+ * order to minimise this, a signal may be applied to the MASK pin to delay or
-+ * synchronise the sampling.
-+ *
-+ * 0 = No delay or sync
-+ * 1 = High on pin stops conversions
-+ * 2 = Edge triggered, edge on pin delays conversion by delay param (above)
-+ * 3 = Edge triggered, edge on pin starts conversion after delay param
-+ */
-+static int mask = 0;
-+module_param(mask, int, 0);
-+MODULE_PARM_DESC(mask, "Set adc mask function.");
-+
-+/*
-+ * ADC sample delay times in uS
-+ */
-+static const int delay_table[] = {
-+	21,    // 1 AC97 Link frames
-+	42,    // 2
-+	84,    // 4
-+	167,   // 8
-+	333,   // 16
-+	667,   // 32
-+	1000,  // 48
-+	1333,  // 64
-+	2000,  // 96
-+	2667,  // 128
-+	3333,  // 160
-+	4000,  // 192
-+	4667,  // 224
-+	5333,  // 256
-+	6000,  // 288
-+	0      // No delay, switch matrix always on
-+};
-+
-+/*
-+ * Delay after issuing a POLL command.
-+ *
-+ * The delay is 3 AC97 link frames + the touchpanel settling delay
-+ */
-+static inline void poll_delay(int d)
-+{
-+	udelay (3 * AC97_LINK_FRAME + delay_table [d]);
-+}
-+
-+/*
-+ * set up the physical settings of the WM9705
-+ */
-+static void init_wm9705_phy(struct wm97xx* wm)
-+{
-+	u16 dig1 = 0, dig2 = WM97XX_RPR;
-+
-+	/*
-+	* mute VIDEO and AUX as they share X and Y touchscreen
-+	* inputs on the WM9705
-+	*/
-+	wm97xx_reg_write(wm, AC97_AUX, 0x8000);
-+	wm97xx_reg_write(wm, AC97_VIDEO, 0x8000);
-+
-+	/* touchpanel pressure current*/
-+	if  (pil == 2) {
-+		dig2 |= WM9705_PIL;
-+		dbg("setting pressure measurement current to 400uA.");
-+	} else if (pil)
-+		dbg("setting pressure measurement current to 200uA.");
-+	if(!pil)
-+		pressure = 0;
-+
-+	/* polling mode sample settling delay */
-+	if (delay!=4) {
-+		if (delay < 0 || delay > 15) {
-+		    dbg("supplied delay out of range.");
-+		    delay = 4;
-+		}
-+	}
-+	dig1 &= 0xff0f;
-+	dig1 |= WM97XX_DELAY(delay);
-+	dbg("setting adc sample delay to %d u Secs.", delay_table[delay]);
-+
-+	/* WM9705 pdd */
-+	dig2 |= (pdd & 0x000f);
-+	dbg("setting pdd to Vmid/%d", 1 - (pdd & 0x000f));
-+
-+	/* mask */
-+	dig2 |= ((mask & 0x3) << 4);
-+
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, dig1);
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2);
-+}
-+
-+static int wm9705_digitiser_ioctl(struct wm97xx* wm, int cmd)
-+{
-+	switch(cmd) {
-+	case WM97XX_DIG_START:
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, wm->dig[2] | WM97XX_PRP_DET_DIG);
-+		wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD); /* dummy read */
-+		break;
-+	case WM97XX_DIG_STOP:
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, wm->dig[2] & ~WM97XX_PRP_DET_DIG);
-+		break;
-+	case WM97XX_AUX_PREPARE:
-+		memcpy(wm->dig_save, wm->dig, sizeof(wm->dig));
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, 0);
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, WM97XX_PRP_DET_DIG);
-+		break;
-+	case WM97XX_DIG_RESTORE:
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, wm->dig_save[1]);
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, wm->dig_save[2]);
-+		break;
-+	case WM97XX_PHY_INIT:
-+		init_wm9705_phy(wm);
-+		break;
-+	default:
-+		return -EINVAL;
-+	}
-+	return 0;
-+}
-+
-+static inline int is_pden (struct wm97xx* wm)
-+{
-+	return wm->dig[2] & WM9705_PDEN;
-+}
-+
-+/*
-+ * Read a sample from the WM9705 adc in polling mode.
-+ */
-+static int wm9705_poll_sample (struct wm97xx* wm, int adcsel, int *sample)
-+{
-+	int timeout = 5 * delay;
-+
-+	if (!wm->pen_probably_down) {
-+		u16 data = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+		if (!(data & WM97XX_PEN_DOWN))
-+			return RC_PENUP;
-+		wm->pen_probably_down = 1;
-+	}
-+
-+	/* set up digitiser */
-+	if (adcsel & 0x8000)
-+		adcsel = ((adcsel & 0x7fff) + 3) << 12;
-+
-+	if (wm->mach_ops && wm->mach_ops->pre_sample)
-+		wm->mach_ops->pre_sample(adcsel);
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, adcsel | WM97XX_POLL | WM97XX_DELAY(delay));
-+
-+	/* wait 3 AC97 time slots + delay for conversion */
-+	poll_delay (delay);
-+
-+	/* wait for POLL to go low */
-+	while ((wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER1) & WM97XX_POLL) && timeout) {
-+		udelay(AC97_LINK_FRAME);
-+		timeout--;
-+	}
-+
-+	if (timeout <= 0) {
-+		/* If PDEN is set, we can get a timeout when pen goes up */
-+		if (is_pden(wm))
-+			wm->pen_probably_down = 0;
-+		else
-+			dbg ("adc sample timeout");
-+		return RC_PENUP;
-+	}
-+
-+	*sample = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	if (wm->mach_ops && wm->mach_ops->post_sample)
-+		wm->mach_ops->post_sample(adcsel);
-+
-+	/* check we have correct sample */
-+	if ((*sample & WM97XX_ADCSEL_MASK) != adcsel) {
-+		dbg ("adc wrong sample, read %x got %x", adcsel,
-+		*sample & WM97XX_ADCSEL_MASK);
-+		return RC_PENUP;
-+	}
-+
-+	if (!(*sample & WM97XX_PEN_DOWN)) {
-+		wm->pen_probably_down = 0;
-+		return RC_PENUP;
-+	}
-+
-+	return RC_VALID;
-+}
-+
-+/*
-+ * Sample the WM9705 touchscreen in polling mode
-+ */
-+static int wm9705_poll_touch(struct wm97xx* wm, struct wm97xx_data *data)
-+{
-+	int rc;
-+
-+	if ((rc = wm9705_poll_sample(wm, WM97XX_ADCSEL_X, &data->x)) != RC_VALID)
-+		return rc;
-+	if ((rc = wm9705_poll_sample(wm, WM97XX_ADCSEL_Y, &data->y)) != RC_VALID)
-+		return rc;
-+	if (pil) {
-+		if ((rc = wm9705_poll_sample(wm, WM97XX_ADCSEL_PRES, &data->p)) != RC_VALID)
-+			return rc;
-+	} else
-+		data->p = DEFAULT_PRESSURE;
-+
-+	return RC_VALID;
-+}
-+
-+/*
-+ * Enable WM9705 continuous mode, i.e. touch data is streamed across an AC97 slot
-+ */
-+static int wm9705_acc_enable (struct wm97xx* wm, int enable)
-+{
-+	u16 dig1, dig2;
-+	int ret = 0;
-+
-+	dig1 = wm->dig[1];
-+	dig2 = wm->dig[2];
-+
-+	if (enable) {
-+		/* continous mode */
-+		if (wm->mach_ops->acc_startup && (ret = wm->mach_ops->acc_startup(wm)) < 0)
-+			return ret;
-+		dig1 &= ~(WM97XX_CM_RATE_MASK | WM97XX_ADCSEL_MASK |
-+			WM97XX_DELAY_MASK | WM97XX_SLT_MASK);
-+		dig1 |= WM97XX_CTC | WM97XX_COO | WM97XX_SLEN |
-+			WM97XX_DELAY (delay) |
-+			WM97XX_SLT (wm->acc_slot) |
-+			WM97XX_RATE (wm->acc_rate);
-+		if (pil)
-+			dig1 |= WM97XX_ADCSEL_PRES;
-+		dig2 |= WM9705_PDEN;
-+	} else {
-+		dig1 &= ~(WM97XX_CTC | WM97XX_COO | WM97XX_SLEN);
-+		dig2 &= ~WM9705_PDEN;
-+		if (wm->mach_ops->acc_shutdown)
-+			wm->mach_ops->acc_shutdown(wm);
-+	}
-+
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, dig1);
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2);
-+	return ret;
-+}
-+
-+struct wm97xx_codec_drv wm97xx_codec = {
-+	.id = 	WM9705_ID2,
-+	.name = "wm9705",
-+	.poll_sample = wm9705_poll_sample,
-+	.poll_touch = wm9705_poll_touch,
-+	.acc_enable = wm9705_acc_enable,
-+	.digitiser_ioctl = wm9705_digitiser_ioctl,
-+};
-+
-+EXPORT_SYMBOL_GPL(wm97xx_codec);
-+
-+/* Module information */
-+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
-+MODULE_DESCRIPTION("WM9705 Touch Screen Driver");
-+MODULE_LICENSE("GPL");
-Index: linux-2.6.17/drivers/input/touchscreen/wm9712.c
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.17/drivers/input/touchscreen/wm9712.c	2006-09-19 20:36:47.969052000 +0200
-@@ -0,0 +1,464 @@
-+/*
-+ * wm9712.c  --  Codec driver for Wolfson WM9712 AC97 Codecs.
-+ *
-+ * Copyright 2003, 2004, 2005, 2006 Wolfson Microelectronics PLC.
-+ * Author: Liam Girdwood
-+ *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
-+ * Parts Copyright : Ian Molton <spyro@f2s.com>
-+ *                   Andrew Zabolotny <zap@homelink.ru>
-+ *                   Russell King <rmk@arm.linux.org.uk>
-+ *
-+ *  This program is free software; you can redistribute  it and/or modify it
-+ *  under  the terms of  the GNU General  Public License as published by the
-+ *  Free Software Foundation;  either version 2 of the  License, or (at your
-+ *  option) any later version.
-+ *
-+ *  Revision history
-+ *     4th Jul 2005  Initial version.
-+ *     6th Sep 2006  Mike Arthur <linux@wolfsonmicro.com>
-+ *                   Added pre and post sample calls.
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/version.h>
-+#include <linux/kernel.h>
-+#include <linux/input.h>
-+#include <linux/delay.h>
-+#include <linux/bitops.h>
-+#include <linux/wm97xx.h>
-+
-+#define TS_NAME			"wm97xx"
-+#define WM9712_VERSION		"0.61"
-+#define DEFAULT_PRESSURE	0xb0c0
-+
-+/*
-+ * Debug
-+ */
-+#if 0
-+#define dbg(format, arg...) printk(KERN_DEBUG TS_NAME ": " format "\n" , ## arg)
-+#else
-+#define dbg(format, arg...)
-+#endif
-+#define err(format, arg...) printk(KERN_ERR TS_NAME ": " format "\n" , ## arg)
-+#define info(format, arg...) printk(KERN_INFO TS_NAME ": " format "\n" , ## arg)
-+#define warn(format, arg...) printk(KERN_WARNING TS_NAME ": " format "\n" , ## arg)
-+
-+/*
-+ * Module parameters
-+ */
-+
-+/*
-+ * Set internal pull up for pen detect.
-+ *
-+ * Pull up is in the range 1.02k (least sensitive) to 64k (most sensitive)
-+ * i.e. pull up resistance = 64k Ohms / rpu.
-+ *
-+ * Adjust this value if you are having problems with pen detect not
-+ * detecting any down event.
-+ */
-+static int rpu = 3;
-+module_param(rpu, int, 0);
-+MODULE_PARM_DESC(rpu, "Set internal pull up resitor for pen detect.");
-+
-+/*
-+ * Set current used for pressure measurement.
-+ *
-+ * Set pil = 2 to use 400uA
-+ *     pil = 1 to use 200uA and
-+ *     pil = 0 to disable pressure measurement.
-+ *
-+ * This is used to increase the range of values returned by the adc
-+ * when measureing touchpanel pressure.
-+ */
-+static int pil = 0;
-+module_param(pil, int, 0);
-+MODULE_PARM_DESC(pil, "Set current used for pressure measurement.");
-+
-+/*
-+ * Set threshold for pressure measurement.
-+ *
-+ * Pen down pressure below threshold is ignored.
-+ */
-+static int pressure = DEFAULT_PRESSURE & 0xfff;
-+module_param(pressure, int, 0);
-+MODULE_PARM_DESC(pressure, "Set threshold for pressure measurement.");
-+
-+/*
-+ * Set adc sample delay.
-+ *
-+ * For accurate touchpanel measurements, some settling time may be
-+ * required between the switch matrix applying a voltage across the
-+ * touchpanel plate and the ADC sampling the signal.
-+ *
-+ * This delay can be set by setting delay = n, where n is the array
-+ * position of the delay in the array delay_table below.
-+ * Long delays > 1ms are supported for completeness, but are not
-+ * recommended.
-+ */
-+static int delay = 3;
-+module_param(delay, int, 0);
-+MODULE_PARM_DESC(delay, "Set adc sample delay.");
-+
-+/*
-+ * Set five_wire = 1 to use a 5 wire touchscreen.
-+ *
-+ * NOTE: Five wire mode does not allow for readback of pressure.
-+ */
-+static int five_wire;
-+module_param(five_wire, int, 0);
-+MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
-+
-+/*
-+ * Set adc mask function.
-+ *
-+ * Sources of glitch noise, such as signals driving an LCD display, may feed
-+ * through to the touch screen plates and affect measurement accuracy. In
-+ * order to minimise this, a signal may be applied to the MASK pin to delay or
-+ * synchronise the sampling.
-+ *
-+ * 0 = No delay or sync
-+ * 1 = High on pin stops conversions
-+ * 2 = Edge triggered, edge on pin delays conversion by delay param (above)
-+ * 3 = Edge triggered, edge on pin starts conversion after delay param
-+ */
-+static int mask = 0;
-+module_param(mask, int, 0);
-+MODULE_PARM_DESC(mask, "Set adc mask function.");
-+
-+/*
-+ * Coordinate Polling Enable.
-+ *
-+ * Set to 1 to enable coordinate polling. e.g. x,y[,p] is sampled together
-+ * for every poll.
-+ */
-+static int coord = 0;
-+module_param(coord, int, 0);
-+MODULE_PARM_DESC(coord, "Polling coordinate mode");
-+
-+/*
-+ * ADC sample delay times in uS
-+ */
-+static const int delay_table[] = {
-+	21,    // 1 AC97 Link frames
-+	42,    // 2
-+	84,    // 4
-+	167,   // 8
-+	333,   // 16
-+	667,   // 32
-+	1000,  // 48
-+	1333,  // 64
-+	2000,  // 96
-+	2667,  // 128
-+	3333,  // 160
-+	4000,  // 192
-+	4667,  // 224
-+	5333,  // 256
-+	6000,  // 288
-+	0      // No delay, switch matrix always on
-+};
-+
-+/*
-+ * Delay after issuing a POLL command.
-+ *
-+ * The delay is 3 AC97 link frames + the touchpanel settling delay
-+ */
-+static inline void poll_delay(int d)
-+{
-+	udelay (3 * AC97_LINK_FRAME + delay_table [d]);
-+}
-+
-+/*
-+ * set up the physical settings of the WM9712
-+ */
-+static void init_wm9712_phy(struct wm97xx* wm)
-+{
-+	u16 dig1 = 0;
-+	u16 dig2 = WM97XX_RPR | WM9712_RPU(1);
-+
-+	/* WM9712 rpu */
-+	if (rpu) {
-+		dig2 &= 0xffc0;
-+		dig2 |= WM9712_RPU(rpu);
-+		dbg("setting pen detect pull-up to %d Ohms",64000 / rpu);
-+	}
-+
-+	/* touchpanel pressure current*/
-+	if (pil == 2) {
-+		dig2 |= WM9712_PIL;
-+		dbg("setting pressure measurement current to 400uA.");
-+	} else if (pil)
-+		dbg("setting pressure measurement current to 200uA.");
-+	if(!pil)
-+		pressure = 0;
-+
-+	/* WM9712 five wire */
-+	if (five_wire) {
-+		dig2 |= WM9712_45W;
-+		dbg("setting 5-wire touchscreen mode.");
-+	}
-+
-+	/* polling mode sample settling delay */
-+	if (delay < 0 || delay > 15) {
-+		dbg("supplied delay out of range.");
-+		delay = 4;
-+	}
-+	dig1 &= 0xff0f;
-+	dig1 |= WM97XX_DELAY(delay);
-+	dbg("setting adc sample delay to %d u Secs.", delay_table[delay]);
-+
-+	/* mask */
-+	dig2 |= ((mask & 0x3) << 6);
-+	if (mask) {
-+		u16 reg;
-+		/* Set GPIO4 as Mask Pin*/
-+		reg = wm97xx_reg_read(wm, AC97_MISC_AFE);
-+		wm97xx_reg_write(wm, AC97_MISC_AFE, reg | WM97XX_GPIO_4);
-+		reg = wm97xx_reg_read(wm, AC97_GPIO_CFG);
-+		wm97xx_reg_write(wm, AC97_GPIO_CFG, reg | WM97XX_GPIO_4);
-+	}
-+
-+	/* wait - coord mode */
-+	if(coord)
-+		dig2 |= WM9712_WAIT;
-+
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, dig1);
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2);
-+}
-+
-+static int wm9712_digitiser_ioctl(struct wm97xx* wm, int cmd)
-+{
-+	u16 dig2 = wm->dig[2];
-+
-+	switch(cmd) {
-+	case WM97XX_DIG_START:
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2 | WM97XX_PRP_DET_DIG);
-+		wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD); /* dummy read */
-+		break;
-+	case WM97XX_DIG_STOP:
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2 & ~WM97XX_PRP_DET_DIG);
-+		break;
-+	case WM97XX_AUX_PREPARE:
-+		memcpy(wm->dig_save, wm->dig, sizeof(wm->dig));
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, 0);
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, WM97XX_PRP_DET_DIG);
-+		break;
-+	case WM97XX_DIG_RESTORE:
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, wm->dig_save[1]);
-+		wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, wm->dig_save[2]);
-+		break;
-+	case WM97XX_PHY_INIT:
-+		init_wm9712_phy(wm);
-+		break;
-+	default:
-+		return -EINVAL;
-+	}
-+	return 0;
-+}
-+
-+static inline int is_pden (struct wm97xx* wm)
-+{
-+	return wm->dig[2] & WM9712_PDEN;
-+}
-+
-+/*
-+ * Read a sample from the WM9712 adc in polling mode.
-+ */
-+static int wm9712_poll_sample (struct wm97xx* wm, int adcsel, int *sample)
-+{
-+	int timeout = 5 * delay;
-+
-+	if (!wm->pen_probably_down) {
-+		u16 data = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+		if (!(data & WM97XX_PEN_DOWN))
-+			return RC_PENUP;
-+		wm->pen_probably_down = 1;
-+	}
-+
-+	/* set up digitiser */
-+	if (adcsel & 0x8000)
-+		adcsel = ((adcsel & 0x7fff) + 3) << 12;
-+
-+	if (wm->mach_ops && wm->mach_ops->pre_sample)
-+		wm->mach_ops->pre_sample(adcsel);
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, adcsel | WM97XX_POLL | WM97XX_DELAY(delay));
-+
-+	/* wait 3 AC97 time slots + delay for conversion */
-+	poll_delay (delay);
-+
-+	/* wait for POLL to go low */
-+	while ((wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER1) & WM97XX_POLL) && timeout) {
-+		udelay(AC97_LINK_FRAME);
-+		timeout--;
-+	}
-+
-+	if (timeout <= 0) {
-+		/* If PDEN is set, we can get a timeout when pen goes up */
-+		if (is_pden(wm))
-+			wm->pen_probably_down = 0;
-+		else
-+			dbg ("adc sample timeout");
-+		return RC_PENUP;
-+	}
-+
-+	*sample = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	if (wm->mach_ops && wm->mach_ops->post_sample)
-+		wm->mach_ops->post_sample(adcsel);
-+
-+	/* check we have correct sample */
-+	if ((*sample & WM97XX_ADCSEL_MASK) != adcsel) {
-+		dbg ("adc wrong sample, read %x got %x", adcsel,
-+		*sample & WM97XX_ADCSEL_MASK);
-+		return RC_PENUP;
-+	}
-+
-+	if (!(*sample & WM97XX_PEN_DOWN)) {
-+		wm->pen_probably_down = 0;
-+		return RC_PENUP;
-+	}
-+
-+	return RC_VALID;
-+}
-+
-+/*
-+ * Read a coord from the WM9712 adc in polling mode.
-+ */
-+static int wm9712_poll_coord (struct wm97xx* wm, struct wm97xx_data *data)
-+{
-+	int timeout = 5 * delay;
-+
-+	if (!wm->pen_probably_down) {
-+		u16 data = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+		if (!(data & WM97XX_PEN_DOWN))
-+			return RC_PENUP;
-+		wm->pen_probably_down = 1;
-+	}
-+
-+	/* set up digitiser */
-+	if (wm->mach_ops && wm->mach_ops->pre_sample)
-+		wm->mach_ops->pre_sample(WM97XX_ADCSEL_X | WM97XX_ADCSEL_Y);
-+
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1,
-+		WM97XX_COO | WM97XX_POLL | WM97XX_DELAY(delay));
-+
-+	/* wait 3 AC97 time slots + delay for conversion and read x */
-+	poll_delay(delay);
-+	data->x = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	/* wait for POLL to go low */
-+	while ((wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER1) & WM97XX_POLL) && timeout) {
-+		udelay(AC97_LINK_FRAME);
-+		timeout--;
-+	}
-+
-+	if (timeout <= 0) {
-+		/* If PDEN is set, we can get a timeout when pen goes up */
-+		if (is_pden(wm))
-+			wm->pen_probably_down = 0;
-+		else
-+			dbg ("adc sample timeout");
-+		return RC_PENUP;
-+	}
-+
-+	/* read back y data */
-+	data->y = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	if (pil)
-+		data->p = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	else
-+		data->p = DEFAULT_PRESSURE;
-+
-+	if (wm->mach_ops && wm->mach_ops->post_sample)
-+		wm->mach_ops->post_sample(WM97XX_ADCSEL_X | WM97XX_ADCSEL_Y);
-+
-+	/* check we have correct sample */
-+	if (!(data->x & WM97XX_ADCSEL_X) || !(data->y & WM97XX_ADCSEL_Y))
-+		goto err;
-+	if(pil && !(data->p & WM97XX_ADCSEL_PRES))
-+		goto err;
-+
-+	if (!(data->x & WM97XX_PEN_DOWN)) {
-+		wm->pen_probably_down = 0;
-+		return RC_PENUP;
-+	}
-+	return RC_VALID;
-+err:
-+	return RC_PENUP;
-+}
-+
-+/*
-+ * Sample the WM9712 touchscreen in polling mode
-+ */
-+static int wm9712_poll_touch(struct wm97xx* wm, struct wm97xx_data *data)
-+{
-+	int rc;
-+
-+	if(coord) {
-+		if((rc = wm9712_poll_coord(wm, data)) != RC_VALID)
-+			return rc;
-+	} else {
-+		if ((rc = wm9712_poll_sample(wm, WM97XX_ADCSEL_X, &data->x)) != RC_VALID)
-+			return rc;
-+
-+		if ((rc = wm9712_poll_sample(wm, WM97XX_ADCSEL_Y, &data->y)) != RC_VALID)
-+			return rc;
-+
-+		if (pil && !five_wire) {
-+			if ((rc = wm9712_poll_sample(wm, WM97XX_ADCSEL_PRES, &data->p)) != RC_VALID)
-+				return rc;
-+		} else
-+			data->p = DEFAULT_PRESSURE;
-+	}
-+	return RC_VALID;
-+}
-+
-+/*
-+ * Enable WM9712 continuous mode, i.e. touch data is streamed across an AC97 slot
-+ */
-+static int wm9712_acc_enable (struct wm97xx* wm, int enable)
-+{
-+	u16 dig1, dig2;
-+	int ret = 0;
-+
-+	dig1 = wm->dig[1];
-+	dig2 = wm->dig[2];
-+
-+	if (enable) {
-+		/* continous mode */
-+		if (wm->mach_ops->acc_startup && (ret = wm->mach_ops->acc_startup(wm)) < 0)
-+			return ret;
-+		dig1 &= ~(WM97XX_CM_RATE_MASK | WM97XX_ADCSEL_MASK |
-+			WM97XX_DELAY_MASK | WM97XX_SLT_MASK);
-+		dig1 |= WM97XX_CTC | WM97XX_COO | WM97XX_SLEN |
-+			WM97XX_DELAY (delay) |
-+			WM97XX_SLT (wm->acc_slot) |
-+			WM97XX_RATE (wm->acc_rate);
-+		if (pil)
-+			dig1 |= WM97XX_ADCSEL_PRES;
-+		dig2 |= WM9712_PDEN;
-+	} else {
-+		dig1 &= ~(WM97XX_CTC | WM97XX_COO | WM97XX_SLEN);
-+		dig2 &= ~WM9712_PDEN;
-+		if (wm->mach_ops->acc_shutdown)
-+			wm->mach_ops->acc_shutdown(wm);
-+	}
-+
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER1, dig1);
-+	wm97xx_reg_write(wm, AC97_WM97XX_DIGITISER2, dig2);
-+	return 0;
-+}
-+
-+struct wm97xx_codec_drv wm97xx_codec = {
-+	.id = 	WM9712_ID2,
-+	.name = "wm9712",
-+	.poll_sample = wm9712_poll_sample,
-+	.poll_touch = wm9712_poll_touch,
-+	.acc_enable = wm9712_acc_enable,
-+	.digitiser_ioctl = wm9712_digitiser_ioctl,
-+};
-+
-+EXPORT_SYMBOL_GPL(wm97xx_codec);
-+
-+/* Module information */
-+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
-+MODULE_DESCRIPTION("WM9712 Touch Screen Driver");
-+MODULE_LICENSE("GPL");
-Index: linux-2.6.17/drivers/input/touchscreen/wm9713.c
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.17/drivers/input/touchscreen/wm9713.c	2006-09-19 20:36:47.969052000 +0200
-@@ -0,0 +1,461 @@
-+/*
-+ * wm9713.c  --  Codec touch driver for Wolfson WM9713 AC97 Codec.
-+ *
-+ * Copyright 2003, 2004, 2005, 2006 Wolfson Microelectronics PLC.
-+ * Author: Liam Girdwood
-+ *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
-+ * Parts Copyright : Ian Molton <spyro@f2s.com>
-+ *                   Andrew Zabolotny <zap@homelink.ru>
-+ *                   Russell King <rmk@arm.linux.org.uk>
-+ *
-+ *  This program is free software; you can redistribute  it and/or modify it
-+ *  under  the terms of  the GNU General  Public License as published by the
-+ *  Free Software Foundation;  either version 2 of the  License, or (at your
-+ *  option) any later version.
-+ *
-+ *  Revision history
-+ *     6th Sep 2006  Mike Arthur <linux@wolfsonmicro.com>
-+ *                   Added pre and post sample calls.
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/version.h>
-+#include <linux/kernel.h>
-+#include <linux/input.h>
-+#include <linux/delay.h>
-+#include <linux/bitops.h>
-+#include <linux/wm97xx.h>
-+
-+#define TS_NAME			"wm97xx"
-+#define WM9713_VERSION		"0.53"
-+#define DEFAULT_PRESSURE	0xb0c0
-+
-+/*
-+ * Debug
-+ */
-+#if 0
-+#define dbg(format, arg...) printk(KERN_DEBUG TS_NAME ": " format "\n" , ## arg)
-+#else
-+#define dbg(format, arg...)
-+#endif
-+#define err(format, arg...) printk(KERN_ERR TS_NAME ": " format "\n" , ## arg)
-+#define info(format, arg...) printk(KERN_INFO TS_NAME ": " format "\n" , ## arg)
-+#define warn(format, arg...) printk(KERN_WARNING TS_NAME ": " format "\n" , ## arg)
-+
-+/*
-+ * Module parameters
-+ */
-+
-+/*
-+ * Set internal pull up for pen detect.
-+ *
-+ * Pull up is in the range 1.02k (least sensitive) to 64k (most sensitive)
-+ * i.e. pull up resistance = 64k Ohms / rpu.
-+ *
-+ * Adjust this value if you are having problems with pen detect not
-+ * detecting any down event.
-+ */
-+static int rpu = 1;
-+module_param(rpu, int, 0);
-+MODULE_PARM_DESC(rpu, "Set internal pull up resitor for pen detect.");
-+
-+/*
-+ * Set current used for pressure measurement.
-+ *
-+ * Set pil = 2 to use 400uA
-+ *     pil = 1 to use 200uA and
-+ *     pil = 0 to disable pressure measurement.
-+ *
-+ * This is used to increase the range of values returned by the adc
-+ * when measureing touchpanel pressure.
-+ */
-+static int pil = 0;
-+module_param(pil, int, 0);
-+MODULE_PARM_DESC(pil, "Set current used for pressure measurement.");
-+
-+/*
-+ * Set threshold for pressure measurement.
-+ *
-+ * Pen down pressure below threshold is ignored.
-+ */
-+static int pressure = DEFAULT_PRESSURE & 0xfff;
-+module_param(pressure, int, 0);
-+MODULE_PARM_DESC(pressure, "Set threshold for pressure measurement.");
-+
-+/*
-+ * Set adc sample delay.
-+ *
-+ * For accurate touchpanel measurements, some settling time may be
-+ * required between the switch matrix applying a voltage across the
-+ * touchpanel plate and the ADC sampling the signal.
-+ *
-+ * This delay can be set by setting delay = n, where n is the array
-+ * position of the delay in the array delay_table below.
-+ * Long delays > 1ms are supported for completeness, but are not
-+ * recommended.
-+ */
-+static int delay = 4;
-+module_param(delay, int, 0);
-+MODULE_PARM_DESC(delay, "Set adc sample delay.");
-+
-+/*
-+ * Set adc mask function.
-+ *
-+ * Sources of glitch noise, such as signals driving an LCD display, may feed
-+ * through to the touch screen plates and affect measurement accuracy. In
-+ * order to minimise this, a signal may be applied to the MASK pin to delay or
-+ * synchronise the sampling.
-+ *
-+ * 0 = No delay or sync
-+ * 1 = High on pin stops conversions
-+ * 2 = Edge triggered, edge on pin delays conversion by delay param (above)
-+ * 3 = Edge triggered, edge on pin starts conversion after delay param
-+ */
-+static int mask = 0;
-+module_param(mask, int, 0);
-+MODULE_PARM_DESC(mask, "Set adc mask function.");
-+
-+/*
-+ * Coordinate Polling Enable.
-+ *
-+ * Set to 1 to enable coordinate polling. e.g. x,y[,p] is sampled together
-+ * for every poll.
-+ */
-+static int coord = 1;
-+module_param(coord, int, 0);
-+MODULE_PARM_DESC(coord, "Polling coordinate mode");
-+
-+/*
-+ * ADC sample delay times in uS
-+ */
-+static const int delay_table[] = {
-+	21,    // 1 AC97 Link frames
-+	42,    // 2
-+	84,    // 4
-+	167,   // 8
-+	333,   // 16
-+	667,   // 32
-+	1000,  // 48
-+	1333,  // 64
-+	2000,  // 96
-+	2667,  // 128
-+	3333,  // 160
-+	4000,  // 192
-+	4667,  // 224
-+	5333,  // 256
-+	6000,  // 288
-+	0      // No delay, switch matrix always on
-+};
-+
-+/*
-+ * Delay after issuing a POLL command.
-+ *
-+ * The delay is 3 AC97 link frames + the touchpanel settling delay
-+ */
-+static inline void poll_delay(int d)
-+{
-+	udelay (3 * AC97_LINK_FRAME + delay_table [d]);
-+}
-+
-+/*
-+ * set up the physical settings of the WM9713
-+ */
-+static void init_wm9713_phy(struct wm97xx* wm)
-+{
-+	u16 dig1 = 0, dig2, dig3;
-+
-+	/* default values */
-+	dig2 = WM97XX_DELAY(4) | WM97XX_SLT(5);
-+	dig3= WM9712_RPU(1);
-+
-+	/* rpu */
-+	if (rpu) {
-+		dig3 &= 0xffc0;
-+		dig3 |= WM9712_RPU(rpu);
-+		info("setting pen detect pull-up to %d Ohms",64000 / rpu);
-+	}
-+
-+	/* touchpanel pressure */
-+	if (pil == 2) {
-+		dig3 |= WM9712_PIL;
-+		info("setting pressure measurement current to 400uA.");
-+	} else if (pil)
-+		info ("setting pressure measurement current to 200uA.");
-+	if(!pil)
-+		pressure = 0;
-+
-+	/* sample settling delay */
-+	if (delay < 0 || delay > 15) {
-+		info ("supplied delay out of range.");
-+		delay = 4;
-+		info("setting adc sample delay to %d u Secs.", delay_table[delay]);
-+	}
-+	dig2 &= 0xff0f;
-+	dig2 |= WM97XX_DELAY(delay);
-+
-+	/* mask */
-+	dig3 |= ((mask & 0x3) << 4);
-+	if(coord)
-+		dig3 |= WM9713_WAIT;
-+
-+	wm->misc = wm97xx_reg_read(wm, 0x5a);
-+
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG1, dig1);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG2, dig2);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG3, dig3);
-+	wm97xx_reg_write(wm, AC97_GPIO_STICKY, 0x0);
-+}
-+
-+static int wm9713_digitiser_ioctl(struct wm97xx* wm, int cmd)
-+{
-+	u16 val = 0;
-+
-+	switch(cmd){
-+	case WM97XX_DIG_START:
-+		val = wm97xx_reg_read(wm, AC97_EXTENDED_MID);
-+		wm97xx_reg_write(wm, AC97_EXTENDED_MID, val & 0x7fff);
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG3, wm->dig[2] | WM97XX_PRP_DET_DIG);
-+		wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD); /* dummy read */
-+		break;
-+	case WM97XX_DIG_STOP:
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG3, wm->dig[2] & ~WM97XX_PRP_DET_DIG);
-+		val = wm97xx_reg_read(wm, AC97_EXTENDED_MID);
-+		wm97xx_reg_write(wm, AC97_EXTENDED_MID, val | 0x8000);
-+		break;
-+	case WM97XX_AUX_PREPARE:
-+		memcpy(wm->dig_save, wm->dig, sizeof(wm->dig));
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG1, 0);
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG2, 0);
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG3, WM97XX_PRP_DET_DIG);
-+		break;
-+	case WM97XX_DIG_RESTORE:
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG1, wm->dig_save[0]);
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG2, wm->dig_save[1]);
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG3, wm->dig_save[2]);
-+		break;
-+	case WM97XX_PHY_INIT:
-+		init_wm9713_phy(wm);
-+		break;
-+	default:
-+		return -EINVAL;
-+	}
-+	return 0;
-+}
-+
-+static inline int is_pden (struct wm97xx* wm)
-+{
-+	return wm->dig[2] & WM9713_PDEN;
-+}
-+
-+/*
-+ * Read a sample from the WM9713 adc in polling mode.
-+ */
-+static int wm9713_poll_sample (struct wm97xx* wm, int adcsel, int *sample)
-+{
-+	u16 dig1;
-+	int timeout = 5 * delay;
-+
-+	if (!wm->pen_probably_down) {
-+		u16 data = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+		if (!(data & WM97XX_PEN_DOWN))
-+			return RC_PENUP;
-+		wm->pen_probably_down = 1;
-+	}
-+
-+	/* set up digitiser */
-+	if (adcsel & 0x8000)
-+		adcsel = 1 << ((adcsel & 0x7fff) + 3);
-+
-+	dig1 = wm97xx_reg_read(wm, AC97_WM9713_DIG1);
-+	dig1 &= ~WM9713_ADCSEL_MASK;
-+
-+	if (wm->mach_ops && wm->mach_ops->pre_sample)
-+		wm->mach_ops->pre_sample(adcsel);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG1, dig1 | adcsel |WM9713_POLL);
-+
-+	/* wait 3 AC97 time slots + delay for conversion */
-+	poll_delay(delay);
-+
-+	/* wait for POLL to go low */
-+	while ((wm97xx_reg_read(wm, AC97_WM9713_DIG1) & WM9713_POLL) && timeout) {
-+		udelay(AC97_LINK_FRAME);
-+		timeout--;
-+	}
-+
-+	if (timeout <= 0) {
-+		/* If PDEN is set, we can get a timeout when pen goes up */
-+		if (is_pden(wm))
-+			wm->pen_probably_down = 0;
-+		else
-+			dbg ("adc sample timeout");
-+		return RC_PENUP;
-+	}
-+
-+	*sample =wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	if (wm->mach_ops && wm->mach_ops->post_sample)
-+		wm->mach_ops->post_sample(adcsel);
-+
-+	/* check we have correct sample */
-+	if ((*sample & WM97XX_ADCSRC_MASK) != ffs(adcsel >> 1) << 12) {
-+		dbg ("adc wrong sample, read %x got %x", adcsel,
-+		     *sample & WM97XX_ADCSRC_MASK);
-+		return RC_PENUP;
-+	}
-+
-+	if (!(*sample & WM97XX_PEN_DOWN)) {
-+		wm->pen_probably_down = 0;
-+		return RC_PENUP;
-+	}
-+
-+	return RC_VALID;
-+}
-+
-+/*
-+ * Read a coordinate from the WM9713 adc in polling mode.
-+ */
-+static int wm9713_poll_coord (struct wm97xx* wm, struct wm97xx_data *data)
-+{
-+	u16 dig1;
-+	int timeout = 5 * delay;
-+
-+	if (!wm->pen_probably_down) {
-+		u16 data = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+		if (!(data & WM97XX_PEN_DOWN))
-+			return RC_PENUP;
-+		wm->pen_probably_down = 1;
-+	}
-+
-+	/* set up digitiser */
-+	dig1 = wm97xx_reg_read(wm, AC97_WM9713_DIG1);
-+	dig1 &= ~WM9713_ADCSEL_MASK;
-+	if(pil)
-+		dig1 |= WM97XX_ADCSEL_PRES;
-+
-+	if (wm->mach_ops && wm->mach_ops->pre_sample)
-+		wm->mach_ops->pre_sample(WM97XX_ADCSEL_X | WM97XX_ADCSEL_Y);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG1, dig1 | WM9713_POLL | WM9713_COO);
-+
-+	/* wait 3 AC97 time slots + delay for conversion */
-+	poll_delay(delay);
-+	data->x = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	/* wait for POLL to go low */
-+	while ((wm97xx_reg_read(wm, AC97_WM9713_DIG1) & WM9713_POLL) && timeout) {
-+		udelay(AC97_LINK_FRAME);
-+		timeout--;
-+	}
-+
-+	if (timeout <= 0) {
-+		/* If PDEN is set, we can get a timeout when pen goes up */
-+		if (is_pden(wm))
-+			wm->pen_probably_down = 0;
-+		else
-+			dbg ("adc sample timeout");
-+		return RC_PENUP;
-+	}
-+
-+	/* read back data */
-+	data->y = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	if (pil)
-+		data->p = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD);
-+	else
-+		data->p = DEFAULT_PRESSURE;
-+
-+	if (wm->mach_ops && wm->mach_ops->post_sample)
-+		wm->mach_ops->post_sample(WM97XX_ADCSEL_X | WM97XX_ADCSEL_Y);
-+
-+	/* check we have correct sample */
-+	if (!(data->x & WM97XX_ADCSEL_X) || !(data->y & WM97XX_ADCSEL_Y))
-+		goto err;
-+	if(pil && !(data->p & WM97XX_ADCSEL_PRES))
-+		goto err;
-+
-+	if (!(data->x & WM97XX_PEN_DOWN)) {
-+		wm->pen_probably_down = 0;
-+		return RC_PENUP;
-+	}
-+	return RC_VALID;
-+err:
-+	return RC_PENUP;
-+}
-+
-+/*
-+ * Sample the WM9713 touchscreen in polling mode
-+ */
-+static int wm9713_poll_touch(struct wm97xx* wm, struct wm97xx_data *data)
-+{
-+	int rc;
-+
-+	if(coord) {
-+		if((rc = wm9713_poll_coord(wm, data)) != RC_VALID)
-+			return rc;
-+	} else {
-+		if ((rc = wm9713_poll_sample(wm, WM9713_ADCSEL_X, &data->x)) != RC_VALID)
-+			return rc;
-+		if ((rc = wm9713_poll_sample(wm, WM9713_ADCSEL_Y, &data->y)) != RC_VALID)
-+			return rc;
-+		if (pil) {
-+			if ((rc = wm9713_poll_sample(wm, WM9713_ADCSEL_PRES, &data->p)) != RC_VALID)
-+				return rc;
-+		} else
-+			data->p = DEFAULT_PRESSURE;
-+	}
-+	return RC_VALID;
-+}
-+
-+/*
-+ * Enable WM9713 continuous mode, i.e. touch data is streamed across an AC97 slot
-+ */
-+static int wm9713_acc_enable (struct wm97xx* wm, int enable)
-+{
-+	u16 dig1, dig2, dig3;
-+	int ret = 0;
-+
-+	dig1 = wm->dig[0];
-+	dig2 = wm->dig[1];
-+	dig3 = wm->dig[2];
-+
-+	if (enable) {
-+		/* continous mode */
-+		if (wm->mach_ops->acc_startup &&
-+			(ret = wm->mach_ops->acc_startup(wm)) < 0)
-+			return ret;
-+
-+		dig1 &= ~WM9713_ADCSEL_MASK;
-+		dig1 |= WM9713_CTC | WM9713_COO | WM9713_ADCSEL_X | WM9713_ADCSEL_Y;
-+        if (pil)
-+		dig1 |= WM9713_ADCSEL_PRES;
-+		dig2 &= ~(WM97XX_DELAY_MASK | WM97XX_SLT_MASK  | WM97XX_CM_RATE_MASK);
-+		dig2 |= WM97XX_SLEN | WM97XX_DELAY (delay) |
-+		WM97XX_SLT (wm->acc_slot) | WM97XX_RATE (wm->acc_rate);
-+		dig3 |= WM9713_PDEN;
-+	} else {
-+		dig1 &= ~(WM9713_CTC | WM9713_COO);
-+		dig2 &= ~WM97XX_SLEN;
-+		dig3 &= ~WM9713_PDEN;
-+        if (wm->mach_ops->acc_shutdown)
-+            wm->mach_ops->acc_shutdown(wm);
-+	}
-+
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG1, dig1);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG2, dig2);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG3, dig3);
-+	return ret;
-+}
-+
-+struct wm97xx_codec_drv wm97xx_codec = {
-+	.id = 	WM9713_ID2,
-+    .name = "wm9713",
-+	.poll_sample = wm9713_poll_sample,
-+	.poll_touch = wm9713_poll_touch,
-+	.acc_enable = wm9713_acc_enable,
-+	.digitiser_ioctl = wm9713_digitiser_ioctl,
-+};
-+
-+EXPORT_SYMBOL_GPL(wm97xx_codec);
-+
-+/* Module information */
-+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
-+MODULE_DESCRIPTION("WM9713 Touch Screen Driver");
-+MODULE_LICENSE("GPL");
-Index: linux-2.6.17/drivers/input/touchscreen/wm97xx-core.c
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.17/drivers/input/touchscreen/wm97xx-core.c	2006-09-19 20:36:47.969052000 +0200
-@@ -0,0 +1,912 @@
-+/*
-+ * wm97xx-core.c  --  Touch screen driver core for Wolfson WM9705, WM9712
-+ *                    and WM9713 AC97 Codecs.
-+ *
-+ * Copyright 2003, 2004, 2005, 2006 Wolfson Microelectronics PLC.
-+ * Author: Liam Girdwood
-+ *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
-+ * Parts Copyright : Ian Molton <spyro@f2s.com>
-+ *                   Andrew Zabolotny <zap@homelink.ru>
-+ *                   Russell King <rmk@arm.linux.org.uk>
-+ *
-+ *  This program is free software; you can redistribute  it and/or modify it
-+ *  under  the terms of  the GNU General  Public License as published by the
-+ *  Free Software Foundation;  either version 2 of the  License, or (at your
-+ *  option) any later version.
-+ *
-+ * Notes:
-+ *
-+ *  Features:
-+ *       - supports WM9705, WM9712, WM9713
-+ *       - polling mode
-+ *       - continuous mode (arch-dependent)
-+ *       - adjustable rpu/dpp settings
-+ *       - adjustable pressure current
-+ *       - adjustable sample settle delay
-+ *       - 4 and 5 wire touchscreens (5 wire is WM9712 only)
-+ *       - pen down detection
-+ *       - battery monitor
-+ *       - sample AUX adc's
-+ *       - power management
-+ *       - codec GPIO
-+ *       - codec event notification
-+ * Todo
-+ *       - Support for async sampling control for noisy LCD's.
-+ *
-+ *  Revision history
-+ *    7th May 2003   Initial version.
-+ *    6th June 2003  Added non module support and AC97 registration.
-+ *   18th June 2003  Added AUX adc sampling.
-+ *   23rd June 2003  Did some minimal reformatting, fixed a couple of
-+ *                   codec_mutexing bugs and noted a race to fix.
-+ *   24th June 2003  Added power management and fixed race condition.
-+ *   10th July 2003  Changed to a misc device.
-+ *   31st July 2003  Moved TS_EVENT and TS_CAL to wm97xx.h
-+ *    8th Aug  2003  Added option for read() calling wm97xx_sample_touch()
-+ *                   because some ac97_read/ac_97_write call schedule()
-+ *    7th Nov  2003  Added Input touch event interface, stanley.cai@intel.com
-+ *   13th Nov  2003  Removed h3600 touch interface, added interrupt based
-+ *                   pen down notification and implemented continous mode
-+ *                   on XScale arch.
-+ *   16th Nov  2003  Ian Molton <spyro@f2s.com>
-+ *                   Modified so that it suits the new 2.6 driver model.
-+ *   25th Jan  2004  Andrew Zabolotny <zap@homelink.ru>
-+ *                   Implemented IRQ-driven pen down detection, implemented
-+ *                   the private API meant to be exposed to platform-specific
-+ *                   drivers, reorganized the driver so that it supports
-+ *                   an arbitrary number of devices.
-+ *    1st Feb  2004  Moved continuous mode handling to a separate
-+ *                   architecture-dependent file. For now only PXA
-+ *                   built-in AC97 controller is supported (pxa-ac97-wm97xx.c).
-+ *    11th Feb 2004  Reduced CPU usage by keeping a cached copy of both
-+ *                   digitizer registers instead of reading them every time.
-+ *                   A reorganization of the whole code for better
-+ *                   error handling.
-+ *    17th Apr 2004  Added BMON support.
-+ *    17th Nov 2004  Added codec GPIO, codec event handling (real and virtual
-+ *                   GPIOs) and 2.6 power management.
-+ *    29th Nov 2004  Added WM9713 support.
-+ *     4th Jul 2005  Moved codec specific code out to seperate files.
-+ *     6th Sep 2006  Mike Arthur <linux@wolfsonmicro.com>
-+ *                   Added bus interface.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/version.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/delay.h>
-+#include <linux/string.h>
-+#include <linux/proc_fs.h>
-+#include <linux/pm.h>
-+#include <linux/interrupt.h>
-+#include <linux/bitops.h>
-+#include <linux/workqueue.h>
-+#include <linux/device.h>
-+#include <linux/wm97xx.h>
-+#include <asm/uaccess.h>
-+#include <asm/io.h>
-+
-+#define TS_NAME			"wm97xx"
-+#define WM_CORE_VERSION		"0.63"
-+#define DEFAULT_PRESSURE	0xb0c0
-+
-+/*
-+ * WM97xx - enable/disable AUX ADC sysfs
-+ */
-+static int aux_sys = 1;
-+module_param(aux_sys, int, 0);
-+MODULE_PARM_DESC(aux_sys, "enable AUX ADC sysfs entries");
-+
-+/*
-+ * WM97xx - enable/disable codec status sysfs
-+ */
-+static int status_sys = 1;
-+module_param(status_sys, int, 0);
-+MODULE_PARM_DESC(status_sys, "enable codec status sysfs entries");
-+
-+/*
-+ * Touchscreen absolute values
-+ *
-+ * These parameters are used to help the input layer discard out of
-+ * range readings and reduce jitter etc.
-+ *
-+ *   o min, max:- indicate the min and max values your touch screen returns
-+ *   o fuzz:- use a higher number to reduce jitter
-+ *
-+ * The default values correspond to Mainstone II in QVGA mode
-+ *
-+ * Please read
-+ * Documentation/input/input-programming.txt for more details.
-+ */
-+
-+static int abs_x[3] = {350,3900,5};
-+module_param_array(abs_x, int, NULL, 0);
-+MODULE_PARM_DESC(abs_x, "Touchscreen absolute X min, max, fuzz");
-+
-+static int abs_y[3] = {320,3750,40};
-+module_param_array(abs_y, int, NULL, 0);
-+MODULE_PARM_DESC(abs_y, "Touchscreen absolute Y min, max, fuzz");
-+
-+static int abs_p[3] = {0,150,4};
-+module_param_array(abs_p, int, NULL, 0);
-+MODULE_PARM_DESC(abs_p, "Touchscreen absolute Pressure min, max, fuzz");
-+
-+/*
-+ * Debug
-+ */
-+#if 0
-+#define dbg(format, arg...) printk(KERN_DEBUG TS_NAME ": " format "\n" , ## arg)
-+#else
-+#define dbg(format, arg...)
-+#endif
-+#define err(format, arg...) printk(KERN_ERR TS_NAME ": " format "\n" , ## arg)
-+#define info(format, arg...) printk(KERN_INFO TS_NAME ": " format "\n" , ## arg)
-+#define warn(format, arg...) printk(KERN_WARNING TS_NAME ": " format "\n" , ## arg)
-+
-+/* codec AC97 IO access */
-+int wm97xx_reg_read(struct wm97xx *wm, u16 reg)
-+{
-+	if (wm->ac97)
-+		return wm->ac97->bus->ops->read(wm->ac97, reg);
-+	else
-+		return -1;
-+}
-+
-+void wm97xx_reg_write(struct wm97xx *wm, u16 reg, u16 val)
-+{
-+	/* cache digitiser registers */
-+	if(reg >= AC97_WM9713_DIG1 && reg <= AC97_WM9713_DIG3)
-+		wm->dig[(reg - AC97_WM9713_DIG1) >> 1] = val;
-+
-+	/* cache gpio regs */
-+	if(reg >= AC97_GPIO_CFG && reg <= AC97_MISC_AFE)
-+		wm->gpio[(reg - AC97_GPIO_CFG) >> 1] = val;
-+
-+	/* wm9713 irq reg */
-+	if(reg == 0x5a)
-+		wm->misc = val;
-+
-+	if (wm->ac97)
-+		wm->ac97->bus->ops->write(wm->ac97, reg, val);
-+}
-+
-+
-+/**
-+ *	wm97xx_read_aux_adc - Read the aux adc.
-+ *	@wm: wm97xx device.
-+ *  @adcsel: codec ADC to be read
-+ *
-+ *	Reads the selected AUX ADC.
-+ */
-+
-+int wm97xx_read_aux_adc(struct wm97xx *wm, u16 adcsel)
-+{
-+	int power_adc = 0, auxval;
-+	u16 power = 0;
-+
-+	/* get codec */
-+	mutex_lock(&wm->codec_mutex);
-+
-+	/* When the touchscreen is not in use, we may have to power up the AUX ADC
-+	 * before we can use sample the AUX inputs->
-+	 */
-+	if (wm->id == WM9713_ID2 &&
-+	    (power = wm97xx_reg_read(wm, AC97_EXTENDED_MID)) & 0x8000) {
-+		power_adc = 1;
-+		wm97xx_reg_write(wm, AC97_EXTENDED_MID, power & 0x7fff);
-+	}
-+
-+	/* Prepare the codec for AUX reading */
-+	wm->codec->digitiser_ioctl(wm, WM97XX_AUX_PREPARE);
-+
-+	/* Turn polling mode on to read AUX ADC */
-+	wm->pen_probably_down = 1;
-+	wm->codec->poll_sample(wm, adcsel, &auxval);
-+
-+	if (power_adc)
-+		wm97xx_reg_write(wm, AC97_EXTENDED_MID, power | 0x8000);
-+
-+	wm->codec->digitiser_ioctl(wm, WM97XX_DIG_RESTORE);
-+
-+	wm->pen_probably_down = 0;
-+
-+	mutex_unlock(&wm->codec_mutex);
-+	return auxval & 0xfff;
-+}
-+
-+#define WM97XX_AUX_ATTR(name,input) \
-+static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf)   \
-+{ \
-+	struct wm97xx *wm = (struct wm97xx*)dev->driver_data; \
-+	return sprintf(buf, "%d\n", wm97xx_read_aux_adc(wm, input)); \
-+} \
-+static DEVICE_ATTR(name, 0444, name##_show, NULL)
-+
-+WM97XX_AUX_ATTR(aux1, WM97XX_AUX_ID1);
-+WM97XX_AUX_ATTR(aux2, WM97XX_AUX_ID2);
-+WM97XX_AUX_ATTR(aux3, WM97XX_AUX_ID3);
-+WM97XX_AUX_ATTR(aux4, WM97XX_AUX_ID4);
-+
-+#define WM97XX_STATUS_ATTR(name) \
-+static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf)   \
-+{ \
-+	struct wm97xx *wm = (struct wm97xx*)dev->driver_data; \
-+	return sprintf(buf, "%d\n", wm97xx_reg_read(wm, AC97_GPIO_STATUS)); \
-+} \
-+static DEVICE_ATTR(name, 0444, name##_show, NULL)
-+
-+WM97XX_STATUS_ATTR(gpio);
-+
-+static int wm97xx_sys_add(struct device *dev)
-+{
-+	if (aux_sys) {
-+		device_create_file(dev, &dev_attr_aux1);
-+		device_create_file(dev, &dev_attr_aux2);
-+		device_create_file(dev, &dev_attr_aux3);
-+		device_create_file(dev, &dev_attr_aux4);
-+	}
-+	if (status_sys)
-+		device_create_file(dev, &dev_attr_gpio);
-+	return 0;
-+}
-+
-+static void wm97xx_sys_remove(struct device *dev)
-+{
-+	if (status_sys)
-+		device_remove_file(dev, &dev_attr_gpio);
-+	if (aux_sys) {
-+		device_remove_file(dev, &dev_attr_aux1);
-+		device_remove_file(dev, &dev_attr_aux2);
-+		device_remove_file(dev, &dev_attr_aux3);
-+		device_remove_file(dev, &dev_attr_aux4);
-+	}
-+}
-+
-+/**
-+ *	wm97xx_get_gpio - Get the status of a codec GPIO.
-+ *	@wm: wm97xx device.
-+ *  @gpio: gpio
-+ *
-+ *	Get the status of a codec GPIO pin
-+ */
-+
-+wm97xx_gpio_status_t wm97xx_get_gpio(struct wm97xx *wm, u32 gpio)
-+{
-+	u16 status;
-+	wm97xx_gpio_status_t ret;
-+
-+	mutex_lock(&wm->codec_mutex);
-+	status = wm97xx_reg_read(wm, AC97_GPIO_STATUS);
-+
-+	if (status & gpio)
-+		ret = WM97XX_GPIO_HIGH;
-+	else
-+		ret = WM97XX_GPIO_LOW;
-+
-+	mutex_unlock(&wm->codec_mutex);
-+	return ret;
-+}
-+
-+/**
-+ *	wm97xx_set_gpio - Set the status of a codec GPIO.
-+ *	@wm: wm97xx device.
-+ *  @gpio: gpio
-+ *
-+ *
-+ *	Set the status of a codec GPIO pin
-+ */
-+
-+void wm97xx_set_gpio(struct wm97xx *wm, u32 gpio,
-+				wm97xx_gpio_status_t status)
-+{
-+	u16 reg;
-+
-+	mutex_lock(&wm->codec_mutex);
-+	reg = wm97xx_reg_read(wm, AC97_GPIO_STATUS);
-+
-+	if (status & WM97XX_GPIO_HIGH)
-+		reg |= gpio;
-+	else
-+		reg &= ~gpio;
-+
-+	if (wm->id == WM9712_ID2)
-+		wm97xx_reg_write(wm, AC97_GPIO_STATUS, reg << 1);
-+	else
-+		wm97xx_reg_write(wm, AC97_GPIO_STATUS, reg);
-+	mutex_unlock(&wm->codec_mutex);
-+}
-+
-+/*
-+ * Codec GPIO pin configuration, this set's pin direction, polarity,
-+ * stickyness and wake up.
-+ */
-+void wm97xx_config_gpio(struct wm97xx *wm, u32 gpio, wm97xx_gpio_dir_t dir,
-+		   wm97xx_gpio_pol_t pol, wm97xx_gpio_sticky_t sticky,
-+		   wm97xx_gpio_wake_t wake)
-+{
-+	u16 reg;
-+
-+	mutex_lock(&wm->codec_mutex);
-+	reg = wm97xx_reg_read(wm, AC97_GPIO_POLARITY);
-+
-+	if (pol == WM97XX_GPIO_POL_HIGH)
-+		reg |= gpio;
-+	else
-+		reg &= ~gpio;
-+
-+	wm97xx_reg_write(wm, AC97_GPIO_POLARITY, reg);
-+	reg = wm97xx_reg_read(wm, AC97_GPIO_STICKY);
-+
-+	if (sticky == WM97XX_GPIO_STICKY)
-+		reg |= gpio;
-+	else
-+		reg &= ~gpio;
-+
-+	wm97xx_reg_write(wm, AC97_GPIO_STICKY, reg);
-+	reg = wm97xx_reg_read(wm, AC97_GPIO_WAKEUP);
-+
-+	if (wake == WM97XX_GPIO_WAKE)
-+		reg |= gpio;
-+	else
-+		reg &= ~gpio;
-+
-+	wm97xx_reg_write(wm, AC97_GPIO_WAKEUP, reg);
-+	reg = wm97xx_reg_read(wm, AC97_GPIO_CFG);
-+
-+	if (dir == WM97XX_GPIO_IN)
-+		reg |= gpio;
-+	else
-+		reg &= ~gpio;
-+
-+	wm97xx_reg_write(wm, AC97_GPIO_CFG, reg);
-+	mutex_unlock(&wm->codec_mutex);
-+}
-+
-+/*
-+ * Handle a pen down interrupt.
-+ */
-+static void wm97xx_pen_irq_worker(void *ptr)
-+{
-+	struct wm97xx *wm = (struct wm97xx *) ptr;
-+
-+	/* do we need to enable the touch panel reader */
-+	if (wm->id == WM9705_ID2) {
-+		if (wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER_RD) & WM97XX_PEN_DOWN)
-+			wm->pen_is_down = 1;
-+		else
-+			wm->pen_is_down = 0;
-+		wake_up_interruptible(&wm->pen_irq_wait);
-+	} else {
-+		u16 status, pol;
-+		mutex_lock(&wm->codec_mutex);
-+		status = wm97xx_reg_read(wm, AC97_GPIO_STATUS);
-+		pol = wm97xx_reg_read(wm, AC97_GPIO_POLARITY);
-+
-+		if (WM97XX_GPIO_13 & pol & status) {
-+			wm->pen_is_down = 1;
-+			wm97xx_reg_write(wm, AC97_GPIO_POLARITY, pol & ~WM97XX_GPIO_13);
-+		} else {
-+			wm->pen_is_down = 0;
-+		    wm97xx_reg_write(wm, AC97_GPIO_POLARITY, pol | WM97XX_GPIO_13);
-+		}
-+
-+		if (wm->id == WM9712_ID2)
-+			wm97xx_reg_write(wm, AC97_GPIO_STATUS, (status & ~WM97XX_GPIO_13) << 1);
-+		else
-+			wm97xx_reg_write(wm, AC97_GPIO_STATUS, status & ~WM97XX_GPIO_13);
-+		mutex_unlock(&wm->codec_mutex);
-+		wake_up_interruptible(&wm->pen_irq_wait);
-+	}
-+
-+	if (!wm->pen_is_down && wm->mach_ops && wm->mach_ops->acc_enabled)
-+		wm->mach_ops->acc_pen_up(wm);
-+	enable_irq(wm->pen_irq);
-+}
-+
-+/*
-+ * Codec PENDOWN irq handler
-+ *
-+ * We have to disable the codec interrupt in the handler because it can
-+ * take upto 1ms to clear the interrupt source. The interrupt is then enabled
-+ * again in the slow handler when the source has been cleared.
-+ */
-+static irqreturn_t wm97xx_pen_interrupt(int irq, void *dev_id,
-+					struct pt_regs *regs)
-+{
-+	struct wm97xx *wm = (struct wm97xx *) dev_id;
-+	disable_irq(wm->pen_irq);
-+	queue_work(wm->pen_irq_workq, &wm->pen_event_work);
-+	return IRQ_HANDLED;
-+}
-+
-+/*
-+ * initialise pen IRQ handler and workqueue
-+ */
-+static int wm97xx_init_pen_irq(struct wm97xx *wm)
-+{
-+	u16 reg;
-+
-+	INIT_WORK(&wm->pen_event_work, wm97xx_pen_irq_worker, wm);
-+	if ((wm->pen_irq_workq =
-+		create_singlethread_workqueue("kwm97pen")) == NULL) {
-+		err("could not create pen irq work queue");
-+		wm->pen_irq = 0;
-+		return -EINVAL;
-+	}
-+
-+	if (request_irq (wm->pen_irq, wm97xx_pen_interrupt, SA_SHIRQ, "wm97xx-pen", wm)) {
-+		err("could not register codec pen down interrupt, will poll for pen down");
-+		destroy_workqueue(wm->pen_irq_workq);
-+		wm->pen_irq = 0;
-+		return -EINVAL;
-+	}
-+
-+	/* enable PEN down on wm9712/13 */
-+	if (wm->id != WM9705_ID2) {
-+		reg = wm97xx_reg_read(wm, AC97_MISC_AFE);
-+		wm97xx_reg_write(wm, AC97_MISC_AFE, reg & 0xfffb);
-+		reg = wm97xx_reg_read(wm, 0x5a);
-+		wm97xx_reg_write(wm, 0x5a, reg & ~0x0001);
-+	}
-+
-+	return 0;
-+}
-+
-+/* Private struct for communication between struct wm97xx_tshread
-+ * and wm97xx_read_samples */
-+struct ts_state {
-+	int sleep_time;
-+	int min_sleep_time;
-+};
-+
-+static int wm97xx_read_samples(struct wm97xx *wm, struct ts_state *state)
-+{
-+	struct wm97xx_data data;
-+	int rc;
-+
-+	mutex_lock(&wm->codec_mutex);
-+
-+    if (wm->mach_ops && wm->mach_ops->acc_enabled)
-+	   rc = wm->mach_ops->acc_pen_down(wm);
-+    else
-+        rc = wm->codec->poll_touch(wm, &data);
-+
-+	if (rc & RC_PENUP) {
-+		if (wm->pen_is_down) {
-+			wm->pen_is_down = 0;
-+			dbg("pen up");
-+			input_report_abs(wm->input_dev, ABS_PRESSURE, 0);
-+			input_sync(wm->input_dev);
-+		} else if (!(rc & RC_AGAIN)) {
-+			/* We need high frequency updates only while pen is down,
-+			* the user never will be able to touch screen faster than
-+			* a few times per second... On the other hand, when the
-+			* user is actively working with the touchscreen we don't
-+			* want to lose the quick response. So we will slowly
-+			* increase sleep time after the pen is up and quicky
-+			* restore it to ~one task switch when pen is down again.
-+			*/
-+			if (state->sleep_time < HZ / 10)
-+				state->sleep_time++;
-+		}
-+
-+	} else if (rc & RC_VALID) {
-+		dbg("pen down: x=%x:%d, y=%x:%d, pressure=%x:%d\n",
-+			data.x >> 12, data.x & 0xfff, data.y >> 12,
-+			data.y & 0xfff, data.p >> 12, data.p & 0xfff);
-+		input_report_abs(wm->input_dev, ABS_X, data.x & 0xfff);
-+		input_report_abs(wm->input_dev, ABS_Y, data.y & 0xfff);
-+		input_report_abs(wm->input_dev, ABS_PRESSURE, data.p & 0xfff);
-+		input_sync(wm->input_dev);
-+		wm->pen_is_down = 1;
-+		state->sleep_time = state->min_sleep_time;
-+	} else if (rc & RC_PENDOWN) {
-+		dbg("pen down");
-+		wm->pen_is_down = 1;
-+		state->sleep_time = state->min_sleep_time;
-+	}
-+
-+	mutex_unlock(&wm->codec_mutex);
-+	return rc;
-+}
-+
-+/*
-+* The touchscreen sample reader thread.
-+*/
-+static int wm97xx_ts_read(void *data)
-+{
-+	int rc;
-+	struct ts_state state;
-+	struct wm97xx *wm = (struct wm97xx *) data;
-+
-+	/* set up thread context */
-+	wm->ts_task = current;
-+	daemonize("kwm97xxts");
-+
-+	if (wm->codec == NULL) {
-+		wm->ts_task = NULL;
-+		printk(KERN_ERR "codec is NULL, bailing\n");
-+	}
-+
-+	complete(&wm->ts_init);
-+	wm->pen_is_down = 0;
-+	state.min_sleep_time = HZ >= 100 ? HZ / 100 : 1;
-+	if (state.min_sleep_time < 1)
-+		state.min_sleep_time = 1;
-+	state.sleep_time = state.min_sleep_time;
-+
-+	/* touch reader loop */
-+	while (wm->ts_task) {
-+		do {
-+			try_to_freeze();
-+			rc = wm97xx_read_samples(wm, &state);
-+		} while (rc & RC_AGAIN);
-+		if (!wm->pen_is_down && wm->pen_irq) {
-+			/* Nice, we don't have to poll for pen down event */
-+			wait_event_interruptible(wm->pen_irq_wait, wm->pen_is_down);
-+		} else {
-+			set_task_state(current, TASK_INTERRUPTIBLE);
-+			schedule_timeout(state.sleep_time);
-+		}
-+	}
-+	complete_and_exit(&wm->ts_exit, 0);
-+}
-+
-+/**
-+ *	wm97xx_ts_input_open - Open the touch screen input device.
-+ *	@idev:	Input device to be opened.
-+ *
-+ *	Called by the input sub system to open a wm97xx touchscreen device.
-+ *  Starts the touchscreen thread and touch digitiser.
-+ */
-+static int wm97xx_ts_input_open(struct input_dev *idev)
-+{
-+	int ret = 0;
-+	struct wm97xx *wm = (struct wm97xx *) idev->private;
-+
-+	mutex_lock(&wm->codec_mutex);
-+	/* first time opened ? */
-+	if (wm->ts_use_count++ == 0) {
-+		/* start touchscreen thread */
-+		init_completion(&wm->ts_init);
-+		init_completion(&wm->ts_exit);
-+		ret = kernel_thread(wm97xx_ts_read, wm, CLONE_KERNEL);
-+
-+		if (ret >= 0) {
-+			wait_for_completion(&wm->ts_init);
-+			if (wm->ts_task == NULL)
-+				ret = -EINVAL;
-+		} else {
-+			mutex_unlock(&wm->codec_mutex);
-+			return ret;
-+		}
-+
-+		/* start digitiser */
-+        if (wm->mach_ops && wm->mach_ops->acc_enabled)
-+            wm->codec->acc_enable(wm, 1);
-+		wm->codec->digitiser_ioctl(wm, WM97XX_DIG_START);
-+
-+		/* init pen down/up irq handling */
-+		if (wm->pen_irq) {
-+			wm97xx_init_pen_irq(wm);
-+
-+			if (wm->pen_irq == 0) {
-+				/* we failed to get an irq for pen down events,
-+				 * so we resort to polling. kickstart the reader */
-+				wm->pen_is_down = 1;
-+				wake_up_interruptible(&wm->pen_irq_wait);
-+			}
-+		}
-+	}
-+
-+	mutex_unlock(&wm->codec_mutex);
-+	return 0;
-+}
-+
-+/**
-+ *	wm97xx_ts_input_close - Close the touch screen input device.
-+ *	@idev:	Input device to be closed.
-+ *
-+ *	Called by the input sub system to close a wm97xx touchscreen device.
-+ *  Kills the touchscreen thread and stops the touch digitiser.
-+ */
-+
-+static void wm97xx_ts_input_close(struct input_dev *idev)
-+{
-+	struct wm97xx *wm = (struct wm97xx *) idev->private;
-+
-+	mutex_lock(&wm->codec_mutex);
-+	if (--wm->ts_use_count == 0) {
-+		/* destroy workqueues and free irqs */
-+		if (wm->pen_irq) {
-+			free_irq(wm->pen_irq, wm);
-+			destroy_workqueue(wm->pen_irq_workq);
-+		}
-+
-+		/* kill thread */
-+		if (wm->ts_task) {
-+			wm->ts_task = NULL;
-+			wm->pen_is_down = 1;
-+			wake_up_interruptible(&wm->pen_irq_wait);
-+			wait_for_completion(&wm->ts_exit);
-+			wm->pen_is_down = 0;
-+		}
-+
-+		/* stop digitiser */
-+		wm->codec->digitiser_ioctl(wm, WM97XX_DIG_STOP);
-+		if (wm->mach_ops && wm->mach_ops->acc_enabled)
-+			wm->codec->acc_enable(wm, 0);
-+	}
-+	mutex_unlock(&wm->codec_mutex);
-+}
-+
-+static int wm97xx_bus_match(struct device *dev, struct device_driver *drv)
-+{
-+    return !(strcmp(dev->bus_id,drv->name));
-+}
-+
-+/*
-+ * The AC97 audio driver will do all the Codec suspend and resume
-+ * tasks. This is just for anything machine specific or extra.
-+ */
-+static int wm97xx_bus_suspend(struct device *dev, pm_message_t state)
-+{
-+    int ret = 0;
-+
-+    if (dev->driver && dev->driver->suspend)
-+        ret = dev->driver->suspend(dev, state);
-+
-+    return ret;
-+}
-+
-+static int wm97xx_bus_resume(struct device *dev)
-+{
-+    int ret = 0;
-+
-+    if (dev->driver && dev->driver->resume)
-+        ret = dev->driver->resume(dev);
-+
-+    return ret;
-+}
-+
-+struct bus_type wm97xx_bus_type = {
-+    .name       = "wm97xx",
-+    .match      = wm97xx_bus_match,
-+    .suspend    = wm97xx_bus_suspend,
-+    .resume     = wm97xx_bus_resume,
-+};
-+
-+static void  wm97xx_release(struct device *dev)
-+{
-+    kfree(dev);
-+}
-+
-+static int wm97xx_probe(struct device *dev)
-+{
-+	struct wm97xx* wm;
-+	int ret = 0, id = 0;
-+
-+	if (!(wm = kzalloc(sizeof(struct wm97xx), GFP_KERNEL)))
-+		return -ENOMEM;
-+    mutex_init(&wm->codec_mutex);
-+
-+	init_waitqueue_head(&wm->pen_irq_wait);
-+	wm->dev = dev;
-+	dev->driver_data = wm;
-+	wm->ac97 = to_ac97_t(dev);
-+
-+	/* check that we have a supported codec */
-+	if ((id = wm97xx_reg_read(wm, AC97_VENDOR_ID1)) != WM97XX_ID1) {
-+		err("could not find a wm97xx, found a %x instead\n", id);
-+		kfree(wm);
-+		return -ENODEV;
-+	}
-+
-+	wm->id = wm97xx_reg_read(wm, AC97_VENDOR_ID2);
-+	if(wm->id != wm97xx_codec.id) {
-+		err("could not find a the selected codec, please build for wm97%2x", wm->id & 0xff);
-+		kfree(wm);
-+		return -ENODEV;
-+	}
-+
-+	if((wm->input_dev = input_allocate_device()) == NULL) {
-+        kfree(wm);
-+		return -ENOMEM;
-+    }
-+
-+	/* set up touch configuration */
-+	info("detected a wm97%2x codec", wm->id & 0xff);
-+	wm->input_dev->name = "wm97xx touchscreen";
-+	wm->input_dev->open = wm97xx_ts_input_open;
-+	wm->input_dev->close = wm97xx_ts_input_close;
-+	set_bit(EV_ABS, wm->input_dev->evbit);
-+	set_bit(ABS_X, wm->input_dev->absbit);
-+	set_bit(ABS_Y, wm->input_dev->absbit);
-+	set_bit(ABS_PRESSURE, wm->input_dev->absbit);
-+	wm->input_dev->absmax[ABS_X] = abs_x[1];
-+	wm->input_dev->absmax[ABS_Y] = abs_y[1];
-+	wm->input_dev->absmax[ABS_PRESSURE] = abs_p[1];
-+	wm->input_dev->absmin[ABS_X] = abs_x[0];
-+	wm->input_dev->absmin[ABS_Y] = abs_y[0];
-+	wm->input_dev->absmin[ABS_PRESSURE] = abs_p[0];
-+	wm->input_dev->absfuzz[ABS_X] = abs_x[2];
-+	wm->input_dev->absfuzz[ABS_Y] = abs_y[2];
-+	wm->input_dev->absfuzz[ABS_PRESSURE] = abs_p[2];
-+	wm->input_dev->private = wm;
-+	wm->codec = &wm97xx_codec;
-+	if((ret = input_register_device(wm->input_dev)) < 0) {
-+		kfree(wm);
-+		return -ENOMEM;
-+    }
-+
-+	if(aux_sys)
-+		wm97xx_sys_add(dev);
-+
-+	/* set up physical characteristics */
-+	wm->codec->digitiser_ioctl(wm, WM97XX_PHY_INIT);
-+
-+	/* load gpio cache */
-+	wm->gpio[0] = wm97xx_reg_read(wm, AC97_GPIO_CFG);
-+	wm->gpio[1] = wm97xx_reg_read(wm, AC97_GPIO_POLARITY);
-+	wm->gpio[2] = wm97xx_reg_read(wm, AC97_GPIO_STICKY);
-+	wm->gpio[3] = wm97xx_reg_read(wm, AC97_GPIO_WAKEUP);
-+	wm->gpio[4] = wm97xx_reg_read(wm, AC97_GPIO_STATUS);
-+	wm->gpio[5] = wm97xx_reg_read(wm, AC97_MISC_AFE);
-+
-+	/* register our battery device */
-+    if (!(wm->battery_dev = kzalloc(sizeof(struct device), GFP_KERNEL))) {
-+    	ret = -ENOMEM;
-+        goto batt_err;
-+    }
-+    wm->battery_dev->bus = &wm97xx_bus_type;
-+    strcpy(wm->battery_dev->bus_id,"wm97xx-battery");
-+    wm->battery_dev->driver_data = wm;
-+    wm->battery_dev->parent = dev;
-+    wm->battery_dev->release = wm97xx_release;
-+    if((ret = device_register(wm->battery_dev)) < 0)
-+    	goto batt_reg_err;
-+
-+	/* register our extended touch device (for machine specific extensions) */
-+    if (!(wm->touch_dev = kzalloc(sizeof(struct device), GFP_KERNEL))) {
-+    	ret = -ENOMEM;
-+        goto touch_err;
-+    }
-+    wm->touch_dev->bus = &wm97xx_bus_type;
-+    strcpy(wm->touch_dev->bus_id,"wm97xx-touchscreen");
-+    wm->touch_dev->driver_data = wm;
-+    wm->touch_dev->parent = dev;
-+    wm->touch_dev->release = wm97xx_release;
-+    if((ret = device_register(wm->touch_dev)) < 0)
-+    	goto touch_reg_err;
-+
-+    return ret;
-+
-+touch_reg_err:
-+	kfree(wm->touch_dev);
-+touch_err:
-+    device_unregister(wm->battery_dev);
-+batt_reg_err:
-+	kfree(wm->battery_dev);
-+batt_err:
-+    input_unregister_device(wm->input_dev);
-+    kfree(wm);
-+    return ret;
-+}
-+
-+static int wm97xx_remove(struct device *dev)
-+{
-+	struct wm97xx *wm = dev_get_drvdata(dev);
-+
-+	/* Stop touch reader thread */
-+	if (wm->ts_task) {
-+		wm->ts_task = NULL;
-+		wm->pen_is_down = 1;
-+		wake_up_interruptible(&wm->pen_irq_wait);
-+		wait_for_completion(&wm->ts_exit);
-+	}
-+	device_unregister(wm->battery_dev);
-+	device_unregister(wm->touch_dev);
-+    input_unregister_device(wm->input_dev);
-+
-+	if(aux_sys)
-+		wm97xx_sys_remove(dev);
-+
-+	kfree(wm);
-+	return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+int wm97xx_resume(struct device* dev)
-+{
-+	struct wm97xx *wm = dev_get_drvdata(dev);
-+
-+	/* restore digitiser and gpio's */
-+	if(wm->id == WM9713_ID2) {
-+		wm97xx_reg_write(wm, AC97_WM9713_DIG1, wm->dig[0]);
-+		wm97xx_reg_write(wm, 0x5a, wm->misc);
-+		if(wm->ts_use_count) {
-+			u16 reg = wm97xx_reg_read(wm, AC97_EXTENDED_MID) & 0x7fff;
-+			wm97xx_reg_write(wm, AC97_EXTENDED_MID, reg);
-+		}
-+	}
-+
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG2, wm->dig[1]);
-+	wm97xx_reg_write(wm, AC97_WM9713_DIG3, wm->dig[2]);
-+
-+	wm97xx_reg_write(wm, AC97_GPIO_CFG, wm->gpio[0]);
-+	wm97xx_reg_write(wm, AC97_GPIO_POLARITY, wm->gpio[1]);
-+	wm97xx_reg_write(wm, AC97_GPIO_STICKY, wm->gpio[2]);
-+	wm97xx_reg_write(wm, AC97_GPIO_WAKEUP, wm->gpio[3]);
-+	wm97xx_reg_write(wm, AC97_GPIO_STATUS, wm->gpio[4]);
-+	wm97xx_reg_write(wm, AC97_MISC_AFE, wm->gpio[5]);
-+
-+	return 0;
-+}
-+
-+#else
-+#define wm97xx_resume		NULL
-+#endif
-+
-+int wm97xx_register_mach_ops(struct wm97xx *wm, struct wm97xx_mach_ops *mach_ops)
-+{
-+	mutex_lock(&wm->codec_mutex);
-+    if(wm->mach_ops) {
-+    	mutex_unlock(&wm->codec_mutex);
-+    	return -EINVAL;
-+    }
-+    wm->mach_ops = mach_ops;
-+    mutex_unlock(&wm->codec_mutex);
-+    return 0;
-+}
-+
-+void wm97xx_unregister_mach_ops(struct wm97xx *wm)
-+{
-+	mutex_lock(&wm->codec_mutex);
-+    wm->mach_ops = NULL;
-+    mutex_unlock(&wm->codec_mutex);
-+}
-+
-+static struct device_driver wm97xx_driver = {
-+	.name = 	"ac97",
-+	.bus = 		&ac97_bus_type,
-+	.owner = 	THIS_MODULE,
-+	.probe = 	wm97xx_probe,
-+	.remove = 	wm97xx_remove,
-+	.resume =	wm97xx_resume,
-+};
-+
-+static int __init wm97xx_init(void)
-+{
-+	int ret;
-+
-+	info("version %s liam.girdwood@wolfsonmicro.com", WM_CORE_VERSION);
-+    if((ret = bus_register(&wm97xx_bus_type)) < 0)
-+    	return ret;
-+	return driver_register(&wm97xx_driver);
-+}
-+
-+static void __exit wm97xx_exit(void)
-+{
-+	driver_unregister(&wm97xx_driver);
-+    bus_unregister(&wm97xx_bus_type);
-+}
-+
-+EXPORT_SYMBOL_GPL(wm97xx_get_gpio);
-+EXPORT_SYMBOL_GPL(wm97xx_set_gpio);
-+EXPORT_SYMBOL_GPL(wm97xx_config_gpio);
-+EXPORT_SYMBOL_GPL(wm97xx_read_aux_adc);
-+EXPORT_SYMBOL_GPL(wm97xx_reg_read);
-+EXPORT_SYMBOL_GPL(wm97xx_reg_write);
-+EXPORT_SYMBOL_GPL(wm97xx_bus_type);
-+EXPORT_SYMBOL_GPL(wm97xx_register_mach_ops);
-+EXPORT_SYMBOL_GPL(wm97xx_unregister_mach_ops);
-+
-+module_init(wm97xx_init);
-+module_exit(wm97xx_exit);
-+
-+/* Module information */
-+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
-+MODULE_DESCRIPTION("WM97xx Core - Touch Screen / AUX ADC / GPIO Driver");
-+MODULE_LICENSE("GPL");
-Index: linux-2.6.17/include/linux/wm97xx.h
-===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.17/include/linux/wm97xx.h	2006-09-19 20:36:47.973052250 +0200
-@@ -0,0 +1,291 @@
-+
-+/*
-+ * Register bits and API for Wolfson WM97xx series of codecs
-+ */
-+
-+#ifndef _LINUX_WM97XX_H
-+#define _LINUX_WM97XX_H
-+
-+#include <sound/driver.h>
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#include <sound/ac97_codec.h>
-+#include <sound/initval.h>
-+#include <linux/types.h>
-+#include <linux/list.h>
-+#include <linux/input.h>	/* Input device layer */
-+
-+/*
-+ * WM97xx AC97 Touchscreen registers
-+ */
-+#define AC97_WM97XX_DIGITISER1		0x76
-+#define AC97_WM97XX_DIGITISER2		0x78
-+#define AC97_WM97XX_DIGITISER_RD 	0x7a
-+#define AC97_WM9713_DIG1			0x74
-+#define AC97_WM9713_DIG2			AC97_WM97XX_DIGITISER1
-+#define AC97_WM9713_DIG3			AC97_WM97XX_DIGITISER2
-+
-+/*
-+ * WM97xx register bits
-+ */
-+#define WM97XX_POLL			0x8000	/* initiate a polling measurement */
-+#define WM97XX_ADCSEL_X		0x1000	/* x coord measurement */
-+#define WM97XX_ADCSEL_Y		0x2000	/* y coord measurement */
-+#define WM97XX_ADCSEL_PRES	0x3000	/* pressure measurement */
-+#define WM97XX_ADCSEL_MASK	0x7000
-+#define WM97XX_COO			0x0800	/* enable coordinate mode */
-+#define WM97XX_CTC			0x0400	/* enable continuous mode */
-+#define WM97XX_CM_RATE_93	0x0000	/* 93.75Hz continuous rate */
-+#define WM97XX_CM_RATE_187	0x0100	/* 187.5Hz continuous rate */
-+#define WM97XX_CM_RATE_375	0x0200	/* 375Hz continuous rate */
-+#define WM97XX_CM_RATE_750	0x0300	/* 750Hz continuous rate */
-+#define WM97XX_CM_RATE_8K	0x00f0	/* 8kHz continuous rate */
-+#define WM97XX_CM_RATE_12K	0x01f0	/* 12kHz continuous rate */
-+#define WM97XX_CM_RATE_24K	0x02f0	/* 24kHz continuous rate */
-+#define WM97XX_CM_RATE_48K	0x03f0	/* 48kHz continuous rate */
-+#define WM97XX_CM_RATE_MASK	0x03f0
-+#define WM97XX_RATE(i)		(((i & 3) << 8) | ((i & 4) ? 0xf0 : 0))
-+#define WM97XX_DELAY(i)		((i << 4) & 0x00f0)	/* sample delay times */
-+#define WM97XX_DELAY_MASK	0x00f0
-+#define WM97XX_SLEN			0x0008	/* slot read back enable */
-+#define WM97XX_SLT(i)		((i - 5) & 0x7)	/* touchpanel slot selection (5-11) */
-+#define WM97XX_SLT_MASK		0x0007
-+#define WM97XX_PRP_DETW		0x4000	/* pen detect on, digitiser off, wake up */
-+#define WM97XX_PRP_DET		0x8000	/* pen detect on, digitiser off, no wake up */
-+#define WM97XX_PRP_DET_DIG	0xc000	/* pen detect on, digitiser on */
-+#define WM97XX_RPR			0x2000	/* wake up on pen down */
-+#define WM97XX_PEN_DOWN		0x8000	/* pen is down */
-+#define WM97XX_ADCSRC_MASK	0x7000	/* ADC source mask */
-+
-+#define WM97XX_AUX_ID1		0x8001
-+#define WM97XX_AUX_ID2		0x8002
-+#define WM97XX_AUX_ID3		0x8003
-+#define WM97XX_AUX_ID4		0x8004
-+
-+
-+/* WM9712 Bits */
-+#define WM9712_45W			0x1000	/* set for 5-wire touchscreen */
-+#define WM9712_PDEN			0x0800	/* measure only when pen down */
-+#define WM9712_WAIT			0x0200	/* wait until adc is read before next sample */
-+#define WM9712_PIL			0x0100	/* current used for pressure measurement. set 400uA else 200uA */
-+#define WM9712_MASK_HI		0x0040	/* hi on mask pin (47) stops conversions */
-+#define WM9712_MASK_EDGE	0x0080	/* rising/falling edge on pin delays sample */
-+#define	WM9712_MASK_SYNC	0x00c0	/* rising/falling edge on mask initiates sample */
-+#define WM9712_RPU(i)		(i&0x3f)	/* internal pull up on pen detect (64k / rpu) */
-+#define WM9712_PD(i)		(0x1 << i)	/* power management */
-+
-+/* WM9712 Registers */
-+#define AC97_WM9712_POWER	0x24
-+#define AC97_WM9712_REV		0x58
-+
-+/* WM9705 Bits */
-+#define WM9705_PDEN			0x1000	/* measure only when pen is down */
-+#define WM9705_PINV			0x0800	/* inverts sense of pen down output */
-+#define WM9705_BSEN			0x0400	/* BUSY flag enable, pin47 is 1 when busy */
-+#define WM9705_BINV			0x0200	/* invert BUSY (pin47) output */
-+#define WM9705_WAIT			0x0100	/* wait until adc is read before next sample */
-+#define WM9705_PIL			0x0080	/* current used for pressure measurement. set 400uA else 200uA */
-+#define WM9705_PHIZ			0x0040	/* set PHONE and PCBEEP inputs to high impedance */
-+#define WM9705_MASK_HI		0x0010	/* hi on mask stops conversions */
-+#define WM9705_MASK_EDGE	0x0020	/* rising/falling edge on pin delays sample */
-+#define	WM9705_MASK_SYNC	0x0030	/* rising/falling edge on mask initiates sample */
-+#define WM9705_PDD(i)		(i & 0x000f)	/* pen detect comparator threshold */
-+
-+
-+/* WM9713 Bits */
-+#define WM9713_PDPOL		0x0400	/* Pen down polarity */
-+#define WM9713_POLL			0x0200	/* initiate a polling measurement */
-+#define WM9713_CTC			0x0100	/* enable continuous mode */
-+#define WM9713_ADCSEL_X		0x0002	/* X measurement */
-+#define WM9713_ADCSEL_Y		0x0004	/* Y measurement */
-+#define WM9713_ADCSEL_PRES	0x0008	/* Pressure measurement */
-+#define WM9713_COO			0x0001	/* enable coordinate mode */
-+#define WM9713_PDEN			0x0800	/* measure only when pen down */
-+#define WM9713_ADCSEL_MASK	0x00fe	/* ADC selection mask */
-+#define WM9713_WAIT			0x0200	/* coordinate wait */
-+
-+/* AUX ADC ID's */
-+#define TS_COMP1			0x0
-+#define TS_COMP2			0x1
-+#define TS_BMON				0x2
-+#define TS_WIPER			0x3
-+
-+/* ID numbers */
-+#define WM97XX_ID1			0x574d
-+#define WM9712_ID2			0x4c12
-+#define WM9705_ID2			0x4c05
-+#define WM9713_ID2			0x4c13
-+
-+/* Codec GPIO's */
-+#define WM97XX_MAX_GPIO		16
-+#define WM97XX_GPIO_1		(1 << 1)
-+#define WM97XX_GPIO_2		(1 << 2)
-+#define WM97XX_GPIO_3		(1 << 3)
-+#define WM97XX_GPIO_4		(1 << 4)
-+#define WM97XX_GPIO_5		(1 << 5)
-+#define WM97XX_GPIO_6		(1 << 6)
-+#define WM97XX_GPIO_7		(1 << 7)
-+#define WM97XX_GPIO_8		(1 << 8)
-+#define WM97XX_GPIO_9		(1 << 9)
-+#define WM97XX_GPIO_10		(1 << 10)
-+#define WM97XX_GPIO_11		(1 << 11)
-+#define WM97XX_GPIO_12		(1 << 12)
-+#define WM97XX_GPIO_13		(1 << 13)
-+#define WM97XX_GPIO_14		(1 << 14)
-+#define WM97XX_GPIO_15		(1 << 15)
-+
-+
-+#define AC97_LINK_FRAME		21	/* time in uS for AC97 link frame */
-+
-+
-+/*---------------- Return codes from sample reading functions ---------------*/
-+
-+/* More data is available; call the sample gathering function again */
-+#define RC_AGAIN			0x00000001
-+/* The returned sample is valid */
-+#define RC_VALID			0x00000002
-+/* The pen is up (the first RC_VALID without RC_PENUP means pen is down) */
-+#define RC_PENUP			0x00000004
-+/* The pen is down (RC_VALID implies RC_PENDOWN, but sometimes it is helpful
-+   to tell the handler that the pen is down but we don't know yet his coords,
-+   so the handler should not sleep or wait for pendown irq) */
-+#define RC_PENDOWN			0x00000008
-+
-+/* The wm97xx driver provides a private API for writing platform-specific
-+ * drivers.
-+ */
-+
-+/* The structure used to return arch specific sampled data into */
-+struct wm97xx_data {
-+    int x;
-+    int y;
-+    int p;
-+};
-+
-+/* Codec GPIO status
-+ */
-+typedef enum {
-+    WM97XX_GPIO_HIGH,
-+    WM97XX_GPIO_LOW
-+} wm97xx_gpio_status_t;
-+
-+/* Codec GPIO direction
-+ */
-+typedef enum {
-+    WM97XX_GPIO_IN,
-+    WM97XX_GPIO_OUT
-+} wm97xx_gpio_dir_t;
-+
-+/* Codec GPIO polarity
-+ */
-+typedef enum {
-+    WM97XX_GPIO_POL_HIGH,
-+    WM97XX_GPIO_POL_LOW
-+} wm97xx_gpio_pol_t;
-+
-+/* Codec GPIO sticky
-+ */
-+typedef enum {
-+    WM97XX_GPIO_STICKY,
-+    WM97XX_GPIO_NOTSTICKY
-+} wm97xx_gpio_sticky_t;
-+
-+/* Codec GPIO wake
-+ */
-+typedef enum {
-+    WM97XX_GPIO_WAKE,
-+    WM97XX_GPIO_NOWAKE
-+} wm97xx_gpio_wake_t;
-+
-+
-+/*
-+ * Digitiser ioctl commands
-+ */
-+#define WM97XX_DIG_START	0x1
-+#define WM97XX_DIG_STOP		0x2
-+#define WM97XX_PHY_INIT		0x3
-+#define WM97XX_AUX_PREPARE	0x4
-+#define WM97XX_DIG_RESTORE	0x5
-+
-+struct wm97xx;
-+extern struct wm97xx_codec_drv wm97xx_codec;
-+
-+/*
-+ * Codec driver interface - allows mapping to WM9705/12/13 and newer codecs
-+ */
-+struct wm97xx_codec_drv {
-+	u16 id;
-+    char *name;
-+	int (*poll_sample) (struct wm97xx *, int adcsel, int *sample);	/* read 1 sample */
-+	int (*poll_touch) (struct wm97xx *, struct wm97xx_data *);	/* read X,Y,[P] in poll */
-+	int (*digitiser_ioctl) (struct wm97xx *, int cmd);
-+	int (*acc_enable) (struct wm97xx *, int enable);
-+};
-+
-+
-+/* Machine specific and accelerated touch operations */
-+struct wm97xx_mach_ops {
-+
-+	/* accelerated touch readback - coords are transmited on AC97 link */
-+	int acc_enabled;
-+    void (*acc_pen_up) (struct wm97xx *);
-+    int (*acc_pen_down) (struct wm97xx *);
-+    int (*acc_startup) (struct wm97xx *);
-+    void (*acc_shutdown) (struct wm97xx *);
-+
-+    /* pre and post sample - can be used to minimise any analog noise */
-+    void (*pre_sample) (int);  /* function to run before sampling */
-+    void (*post_sample) (int);  /* function to run after sampling */
-+};
-+
-+struct wm97xx {
-+	u16 dig[3], id, gpio[6], misc;	/* Cached codec registers */
-+	u16 dig_save[3];		/* saved during aux reading */
-+	struct wm97xx_codec_drv *codec;	/* attached codec driver*/
-+	struct input_dev* input_dev;	/* touchscreen input device */
-+	ac97_t *ac97;			/* ALSA codec access */
-+	struct device *dev;		/* ALSA device */
-+    struct device *battery_dev;
-+    struct device *touch_dev;
-+    struct wm97xx_mach_ops *mach_ops;
-+    struct mutex codec_mutex;
-+	struct completion ts_init;
-+	struct completion ts_exit;
-+	struct task_struct *ts_task;
-+	unsigned int pen_irq;	/* Pen IRQ number in use */
-+	wait_queue_head_t pen_irq_wait;	/* Pen IRQ wait queue */
-+	struct workqueue_struct *pen_irq_workq;
-+	struct work_struct pen_event_work;
-+	u16 acc_slot; /* AC97 slot used for acc touch data */
-+	u16 acc_rate; /* acc touch data rate */
-+	unsigned int ts_use_count;
-+	unsigned pen_is_down:1;	/* Pen is down */
-+	unsigned aux_waiting:1;	/* aux measurement waiting */
-+	unsigned pen_probably_down:1;	/* used in polling mode */
-+};
-+
-+/* Codec GPIO access (not supported on WM9705)
-+ * This can be used to set/get codec GPIO and Virtual GPIO status.
-+ */
-+wm97xx_gpio_status_t wm97xx_get_gpio(struct wm97xx *wm, u32 gpio);
-+void wm97xx_set_gpio(struct wm97xx *wm, u32 gpio,
-+			  wm97xx_gpio_status_t status);
-+void wm97xx_config_gpio(struct wm97xx *wm, u32 gpio,
-+				     wm97xx_gpio_dir_t dir,
-+				     wm97xx_gpio_pol_t pol,
-+				     wm97xx_gpio_sticky_t sticky,
-+				     wm97xx_gpio_wake_t wake);
-+
-+/* codec AC97 IO access */
-+int wm97xx_reg_read(struct wm97xx *wm, u16 reg);
-+void wm97xx_reg_write(struct wm97xx *wm, u16 reg, u16 val);
-+
-+/* aux adc readback */
-+int wm97xx_read_aux_adc(struct wm97xx *wm, u16 adcsel);
-+
-+/* machine ops */
-+int wm97xx_register_mach_ops(struct wm97xx *, struct wm97xx_mach_ops *);
-+void wm97xx_unregister_mach_ops(struct wm97xx *);
-+
-+extern struct bus_type wm97xx_bus_type;
-+#endif