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Merge branches 'pxa-core' and 'pxa-machines' into pxa-all

Browse Source 
Conflicts:

	arch/arm/mach-pxa/Kconfig
	arch/arm/mach-pxa/pxa25x.c
	arch/arm/mach-pxa/pxa27x.c
This commit is contained in:
Russell King
2008-10-07 19:08:56 +01:00
committed by Russell King
parent c46c948260 af7c951d76
commit 5a89770daa
1025 changed files with 47459 additions and 14385 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/input/keyboard/bf54x-keys.c
+1 -1
View File
@@ -43,7 +43,7 @@
#include <linux/input.h>
#include <asm/portmux.h>
#include <asm/mach/bf54x_keys.h>
#include <mach/bf54x_keys.h>
#define DRV_NAME "bf54x-keys"
#define TIME_SCALE 100 /* 100 ns */
drivers/input/mouse/bcm5974.c
+57 -17
View File
@@ -63,7 +63,7 @@
}
/* table of devices that work with this driver */
static const struct usb_device_id bcm5974_table [] = {
static const struct usb_device_id bcm5974_table[] = {
/* MacbookAir1.1 */
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
@@ -105,7 +105,7 @@ struct tp_header {
/* trackpad finger structure */
struct tp_finger {
__le16 origin; /* left/right origin? */
__le16 origin; /* zero when switching track finger */
__le16 abs_x; /* absolute x coodinate */
__le16 abs_y; /* absolute y coodinate */
__le16 rel_x; /* relative x coodinate */
@@ -159,6 +159,7 @@ struct bcm5974 {
struct bt_data *bt_data; /* button transferred data */
struct urb *tp_urb; /* trackpad usb request block */
struct tp_data *tp_data; /* trackpad transferred data */
int fingers; /* number of fingers on trackpad */
};
/* logical dimensions */
@@ -172,6 +173,10 @@ struct bcm5974 {
#define SN_WIDTH 100 /* width signal-to-noise ratio */
#define SN_COORD 250 /* coordinate signal-to-noise ratio */
/* pressure thresholds */
#define PRESSURE_LOW (2 * DIM_PRESSURE / SN_PRESSURE)
#define PRESSURE_HIGH (3 * PRESSURE_LOW)
/* device constants */
static const struct bcm5974_config bcm5974_config_table[] = {
{
@@ -248,6 +253,7 @@ static void setup_events_to_report(struct input_dev *input_dev,
0, cfg->y.dim, cfg->y.fuzz, 0);
__set_bit(EV_KEY, input_dev->evbit);
__set_bit(BTN_TOUCH, input_dev->keybit);
__set_bit(BTN_TOOL_FINGER, input_dev->keybit);
__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
__set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
@@ -273,32 +279,66 @@ static int report_tp_state(struct bcm5974 *dev, int size)
const struct tp_finger *f = dev->tp_data->finger;
struct input_dev *input = dev->input;
const int fingers = (size - 26) / 28;
int p = 0, w, x, y, n = 0;
int raw_p, raw_w, raw_x, raw_y;
int ptest = 0, origin = 0, nmin = 0, nmax = 0;
int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0;
if (size < 26 || (size - 26) % 28 != 0)
return -EIO;
/* always track the first finger; when detached, start over */
if (fingers) {
p = raw2int(f->force_major);
w = raw2int(f->size_major);
x = raw2int(f->abs_x);
y = raw2int(f->abs_y);
n = p > 0 ? fingers : 0;
raw_p = raw2int(f->force_major);
raw_w = raw2int(f->size_major);
raw_x = raw2int(f->abs_x);
raw_y = raw2int(f->abs_y);
dprintk(9,
"bcm5974: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n",
p, w, x, y, n);
"bcm5974: raw: p: %+05d w: %+05d x: %+05d y: %+05d\n",
raw_p, raw_w, raw_x, raw_y);
input_report_abs(input, ABS_TOOL_WIDTH, int2bound(&c->w, w));
input_report_abs(input, ABS_X, int2bound(&c->x, x - c->x.devmin));
input_report_abs(input, ABS_Y, int2bound(&c->y, c->y.devmax - y));
ptest = int2bound(&c->p, raw_p);
origin = raw2int(f->origin);
}
input_report_abs(input, ABS_PRESSURE, int2bound(&c->p, p));
/* while tracking finger still valid, count all fingers */
if (ptest > PRESSURE_LOW && origin) {
abs_p = ptest;
abs_w = int2bound(&c->w, raw_w);
abs_x = int2bound(&c->x, raw_x - c->x.devmin);
abs_y = int2bound(&c->y, c->y.devmax - raw_y);
for (; f != dev->tp_data->finger + fingers; f++) {
ptest = int2bound(&c->p, raw2int(f->force_major));
if (ptest > PRESSURE_LOW)
nmax++;
if (ptest > PRESSURE_HIGH)
nmin++;
}
}
input_report_key(input, BTN_TOOL_FINGER, n == 1);
input_report_key(input, BTN_TOOL_DOUBLETAP, n == 2);
input_report_key(input, BTN_TOOL_TRIPLETAP, n > 2);
if (dev->fingers < nmin)
dev->fingers = nmin;
if (dev->fingers > nmax)
dev->fingers = nmax;
input_report_key(input, BTN_TOUCH, dev->fingers > 0);
input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1);
input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2);
input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers > 2);
input_report_abs(input, ABS_PRESSURE, abs_p);
input_report_abs(input, ABS_TOOL_WIDTH, abs_w);
if (abs_p) {
input_report_abs(input, ABS_X, abs_x);
input_report_abs(input, ABS_Y, abs_y);
dprintk(8,
"bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d "
"nmin: %d nmax: %d n: %d\n",
abs_p, abs_w, abs_x, abs_y, nmin, nmax, dev->fingers);
}
input_sync(input);
drivers/input/serio/i8042-x86ia64io.h
+1 -1
View File
@@ -305,7 +305,7 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
.ident = "Lenovo 3000 n100",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
},
},
{
drivers/input/touchscreen/Kconfig
+1
View File
@@ -220,6 +220,7 @@ config TOUCHSCREEN_ATMEL_TSADCC
config TOUCHSCREEN_UCB1400
tristate "Philips UCB1400 touchscreen"
select AC97_BUS
depends on UCB1400_CORE
help
This enables support for the Philips UCB1400 touchscreen interface.
The UCB1400 is an AC97 audio codec. The touchscreen interface
drivers/input/touchscreen/ads7846.c
+54 -14
View File
@@ -24,6 +24,7 @@
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <asm/irq.h>
@@ -116,6 +117,7 @@ struct ads7846 {
void *filter_data;
void (*filter_cleanup)(void *data);
int (*get_pendown_state)(void);
int gpio_pendown;
};
/* leave chip selected when we're done, for quicker re-select? */
@@ -491,6 +493,14 @@ static struct attribute_group ads784x_attr_group = {
/*--------------------------------------------------------------------------*/
static int get_pendown_state(struct ads7846 *ts)
{
if (ts->get_pendown_state)
return ts->get_pendown_state();
return !gpio_get_value(ts->gpio_pendown);
}
/*
* PENIRQ only kicks the timer. The timer only reissues the SPI transfer,
* to retrieve touchscreen status.
@@ -550,7 +560,7 @@ static void ads7846_rx(void *ads)
*/
if (ts->penirq_recheck_delay_usecs) {
udelay(ts->penirq_recheck_delay_usecs);
if (!ts->get_pendown_state())
if (!get_pendown_state(ts))
Rt = 0;
}
@@ -677,7 +687,7 @@ static enum hrtimer_restart ads7846_timer(struct hrtimer *handle)
spin_lock_irq(&ts->lock);
if (unlikely(!ts->get_pendown_state() ||
if (unlikely(!get_pendown_state(ts) ||
device_suspended(&ts->spi->dev))) {
if (ts->pendown) {
struct input_dev *input = ts->input;
@@ -716,7 +726,7 @@ static irqreturn_t ads7846_irq(int irq, void *handle)
unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
if (likely(ts->get_pendown_state())) {
if (likely(get_pendown_state(ts))) {
if (!ts->irq_disabled) {
/* The ARM do_simple_IRQ() dispatcher doesn't act
* like the other dispatchers: it will report IRQs
@@ -806,6 +816,36 @@ static int ads7846_resume(struct spi_device *spi)
return 0;
}
static int __devinit setup_pendown(struct spi_device *spi, struct ads7846 *ts)
{
struct ads7846_platform_data *pdata = spi->dev.platform_data;
int err;
/* REVISIT when the irq can be triggered active-low, or if for some
* reason the touchscreen isn't hooked up, we don't need to access
* the pendown state.
*/
if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) {
dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
return -EINVAL;
}
if (pdata->get_pendown_state) {
ts->get_pendown_state = pdata->get_pendown_state;
return 0;
}
err = gpio_request(pdata->gpio_pendown, "ads7846_pendown");
if (err) {
dev_err(&spi->dev, "failed to request pendown GPIO%d\n",
pdata->gpio_pendown);
return err;
}
ts->gpio_pendown = pdata->gpio_pendown;
return 0;
}
static int __devinit ads7846_probe(struct spi_device *spi)
{
struct ads7846 *ts;
@@ -833,15 +873,6 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return -EINVAL;
}
/* REVISIT when the irq can be triggered active-low, or if for some
* reason the touchscreen isn't hooked up, we don't need to access
* the pendown state.
*/
if (pdata->get_pendown_state == NULL) {
dev_dbg(&spi->dev, "no get_pendown_state function?\n");
return -EINVAL;
}
/* We'd set TX wordsize 8 bits and RX wordsize to 13 bits ... except
* that even if the hardware can do that, the SPI controller driver
* may not. So we stick to very-portable 8 bit words, both RX and TX.
@@ -893,7 +924,10 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ts->filter_data = ts;
} else
ts->filter = ads7846_no_filter;
ts->get_pendown_state = pdata->get_pendown_state;
err = setup_pendown(spi, ts);
if (err)
goto err_cleanup_filter;
if (pdata->penirq_recheck_delay_usecs)
ts->penirq_recheck_delay_usecs =
@@ -1085,7 +1119,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi->dev.driver->name, ts)) {
dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
err = -EBUSY;
goto err_cleanup_filter;
goto err_free_gpio;
}
err = ads784x_hwmon_register(spi, ts);
@@ -1116,6 +1150,9 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ads784x_hwmon_unregister(spi, ts);
err_free_irq:
free_irq(spi->irq, ts);
err_free_gpio:
if (ts->gpio_pendown != -1)
gpio_free(ts->gpio_pendown);
err_cleanup_filter:
if (ts->filter_cleanup)
ts->filter_cleanup(ts->filter_data);
@@ -1140,6 +1177,9 @@ static int __devexit ads7846_remove(struct spi_device *spi)
/* suspend left the IRQ disabled */
enable_irq(ts->spi->irq);
if (ts->gpio_pendown != -1)
gpio_free(ts->gpio_pendown);
if (ts->filter_cleanup)
ts->filter_cleanup(ts->filter_data);
drivers/input/touchscreen/ucb1400_ts.c
+195 -309
View File
@@ -5,6 +5,10 @@
* Created: September 25, 2006
* Copyright: MontaVista Software, Inc.
*
* Spliting done by: Marek Vasut <marek.vasut@gmail.com>
* If something doesnt work and it worked before spliting, e-mail me,
* dont bother Nicolas please ;-)
*
* 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.
@@ -25,124 +29,16 @@
#include <linux/slab.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <sound/core.h>
#include <sound/ac97_codec.h>
/*
* Interesting UCB1400 AC-link registers
*/
#define UCB_IE_RIS 0x5e
#define UCB_IE_FAL 0x60
#define UCB_IE_STATUS 0x62
#define UCB_IE_CLEAR 0x62
#define UCB_IE_ADC (1 << 11)
#define UCB_IE_TSPX (1 << 12)
#define UCB_TS_CR 0x64
#define UCB_TS_CR_TSMX_POW (1 << 0)
#define UCB_TS_CR_TSPX_POW (1 << 1)
#define UCB_TS_CR_TSMY_POW (1 << 2)
#define UCB_TS_CR_TSPY_POW (1 << 3)
#define UCB_TS_CR_TSMX_GND (1 << 4)
#define UCB_TS_CR_TSPX_GND (1 << 5)
#define UCB_TS_CR_TSMY_GND (1 << 6)
#define UCB_TS_CR_TSPY_GND (1 << 7)
#define UCB_TS_CR_MODE_INT (0 << 8)
#define UCB_TS_CR_MODE_PRES (1 << 8)
#define UCB_TS_CR_MODE_POS (2 << 8)
#define UCB_TS_CR_BIAS_ENA (1 << 11)
#define UCB_TS_CR_TSPX_LOW (1 << 12)
#define UCB_TS_CR_TSMX_LOW (1 << 13)
#define UCB_ADC_CR 0x66
#define UCB_ADC_SYNC_ENA (1 << 0)
#define UCB_ADC_VREFBYP_CON (1 << 1)
#define UCB_ADC_INP_TSPX (0 << 2)
#define UCB_ADC_INP_TSMX (1 << 2)
#define UCB_ADC_INP_TSPY (2 << 2)
#define UCB_ADC_INP_TSMY (3 << 2)
#define UCB_ADC_INP_AD0 (4 << 2)
#define UCB_ADC_INP_AD1 (5 << 2)
#define UCB_ADC_INP_AD2 (6 << 2)
#define UCB_ADC_INP_AD3 (7 << 2)
#define UCB_ADC_EXT_REF (1 << 5)
#define UCB_ADC_START (1 << 7)
#define UCB_ADC_ENA (1 << 15)
#define UCB_ADC_DATA 0x68
#define UCB_ADC_DAT_VALID (1 << 15)
#define UCB_ADC_DAT_VALUE(x) ((x) & 0x3ff)
#define UCB_ID 0x7e
#define UCB_ID_1400 0x4304
struct ucb1400 {
struct snd_ac97 *ac97;
struct input_dev *ts_idev;
int irq;
wait_queue_head_t ts_wait;
struct task_struct *ts_task;
unsigned int irq_pending; /* not bit field shared */
unsigned int ts_restart:1;
unsigned int adcsync:1;
};
#include <linux/ucb1400.h>
static int adcsync;
static int ts_delay = 55; /* us */
static int ts_delay_pressure; /* us */
static inline u16 ucb1400_reg_read(struct ucb1400 *ucb, u16 reg)
{
return ucb->ac97->bus->ops->read(ucb->ac97, reg);
}
static inline void ucb1400_reg_write(struct ucb1400 *ucb, u16 reg, u16 val)
{
ucb->ac97->bus->ops->write(ucb->ac97, reg, val);
}
static inline void ucb1400_adc_enable(struct ucb1400 *ucb)
{
ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA);
}
static unsigned int ucb1400_adc_read(struct ucb1400 *ucb, u16 adc_channel)
{
unsigned int val;
if (ucb->adcsync)
adc_channel |= UCB_ADC_SYNC_ENA;
ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | adc_channel);
ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | adc_channel | UCB_ADC_START);
for (;;) {
val = ucb1400_reg_read(ucb, UCB_ADC_DATA);
if (val & UCB_ADC_DAT_VALID)
break;
/* yield to other processes */
schedule_timeout_uninterruptible(1);
}
return UCB_ADC_DAT_VALUE(val);
}
static inline void ucb1400_adc_disable(struct ucb1400 *ucb)
{
ucb1400_reg_write(ucb, UCB_ADC_CR, 0);
}
/* Switch to interrupt mode. */
static inline void ucb1400_ts_mode_int(struct ucb1400 *ucb)
static inline void ucb1400_ts_mode_int(struct snd_ac97 *ac97)
{
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
UCB_TS_CR_MODE_INT);
@@ -152,14 +48,14 @@ static inline void ucb1400_ts_mode_int(struct ucb1400 *ucb)
* Switch to pressure mode, and read pressure. We don't need to wait
* here, since both plates are being driven.
*/
static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb)
static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400_ts *ucb)
{
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
udelay(ts_delay_pressure);
return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync);
}
/*
@@ -168,21 +64,21 @@ static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb)
* gives a faster response time. Even so, we need to wait about 55us
* for things to stabilise.
*/
static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb)
static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400_ts *ucb)
{
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
udelay(ts_delay);
return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync);
}
/*
@@ -191,63 +87,63 @@ static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb)
* gives a faster response time. Even so, we need to wait about 55us
* for things to stabilise.
*/
static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400 *ucb)
static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400_ts *ucb)
{
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
udelay(ts_delay);
return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPX);
return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPX, adcsync);
}
/*
* Switch to X plate resistance mode. Set MX to ground, PX to
* supply. Measure current.
*/
static inline unsigned int ucb1400_ts_read_xres(struct ucb1400 *ucb)
static inline unsigned int ucb1400_ts_read_xres(struct ucb1400_ts *ucb)
{
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
return ucb1400_adc_read(ucb, 0);
return ucb1400_adc_read(ucb->ac97, 0, adcsync);
}
/*
* Switch to Y plate resistance mode. Set MY to ground, PY to
* supply. Measure current.
*/
static inline unsigned int ucb1400_ts_read_yres(struct ucb1400 *ucb)
static inline unsigned int ucb1400_ts_read_yres(struct ucb1400_ts *ucb)
{
ucb1400_reg_write(ucb, UCB_TS_CR,
ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
return ucb1400_adc_read(ucb, 0);
return ucb1400_adc_read(ucb->ac97, 0, adcsync);
}
static inline int ucb1400_ts_pen_down(struct ucb1400 *ucb)
static inline int ucb1400_ts_pen_down(struct snd_ac97 *ac97)
{
unsigned short val = ucb1400_reg_read(ucb, UCB_TS_CR);
return (val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW));
unsigned short val = ucb1400_reg_read(ac97, UCB_TS_CR);
return val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW);
}
static inline void ucb1400_ts_irq_enable(struct ucb1400 *ucb)
static inline void ucb1400_ts_irq_enable(struct snd_ac97 *ac97)
{
ucb1400_reg_write(ucb, UCB_IE_CLEAR, UCB_IE_TSPX);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
ucb1400_reg_write(ucb, UCB_IE_FAL, UCB_IE_TSPX);
ucb1400_reg_write(ac97, UCB_IE_CLEAR, UCB_IE_TSPX);
ucb1400_reg_write(ac97, UCB_IE_CLEAR, 0);
ucb1400_reg_write(ac97, UCB_IE_FAL, UCB_IE_TSPX);
}
static inline void ucb1400_ts_irq_disable(struct ucb1400 *ucb)
static inline void ucb1400_ts_irq_disable(struct snd_ac97 *ac97)
{
ucb1400_reg_write(ucb, UCB_IE_FAL, 0);
ucb1400_reg_write(ac97, UCB_IE_FAL, 0);
}
static void ucb1400_ts_evt_add(struct input_dev *idev, u16 pressure, u16 x, u16 y)
@@ -264,25 +160,24 @@ static void ucb1400_ts_event_release(struct input_dev *idev)
input_sync(idev);
}
static void ucb1400_handle_pending_irq(struct ucb1400 *ucb)
static void ucb1400_handle_pending_irq(struct ucb1400_ts *ucb)
{
unsigned int isr;
isr = ucb1400_reg_read(ucb, UCB_IE_STATUS);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, isr);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
isr = ucb1400_reg_read(ucb->ac97, UCB_IE_STATUS);
ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, isr);
ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
if (isr & UCB_IE_TSPX)
ucb1400_ts_irq_disable(ucb);
else
if (isr & UCB_IE_TSPX) {
ucb1400_ts_irq_disable(ucb->ac97);
enable_irq(ucb->irq);
} else
printk(KERN_ERR "ucb1400: unexpected IE_STATUS = %#x\n", isr);
enable_irq(ucb->irq);
}
static int ucb1400_ts_thread(void *_ucb)
{
struct ucb1400 *ucb = _ucb;
struct ucb1400_ts *ucb = _ucb;
struct task_struct *tsk = current;
int valid = 0;
struct sched_param param = { .sched_priority = 1 };
@@ -301,19 +196,19 @@ static int ucb1400_ts_thread(void *_ucb)
ucb1400_handle_pending_irq(ucb);
}
ucb1400_adc_enable(ucb);
ucb1400_adc_enable(ucb->ac97);
x = ucb1400_ts_read_xpos(ucb);
y = ucb1400_ts_read_ypos(ucb);
p = ucb1400_ts_read_pressure(ucb);
ucb1400_adc_disable(ucb);
ucb1400_adc_disable(ucb->ac97);
/* Switch back to interrupt mode. */
ucb1400_ts_mode_int(ucb);
ucb1400_ts_mode_int(ucb->ac97);
msleep(10);
if (ucb1400_ts_pen_down(ucb)) {
ucb1400_ts_irq_enable(ucb);
if (ucb1400_ts_pen_down(ucb->ac97)) {
ucb1400_ts_irq_enable(ucb->ac97);
/*
* If we spat out a valid sample set last time,
@@ -332,8 +227,8 @@ static int ucb1400_ts_thread(void *_ucb)
}
wait_event_freezable_timeout(ucb->ts_wait,
ucb->irq_pending || ucb->ts_restart || kthread_should_stop(),
timeout);
ucb->irq_pending || ucb->ts_restart ||
kthread_should_stop(), timeout);
}
/* Send the "pen off" if we are stopping with the pen still active */
@@ -356,7 +251,7 @@ static int ucb1400_ts_thread(void *_ucb)
*/
static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
{
struct ucb1400 *ucb = devid;
struct ucb1400_ts *ucb = devid;
if (irqnr == ucb->irq) {
disable_irq(ucb->irq);
@@ -369,7 +264,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
static int ucb1400_ts_open(struct input_dev *idev)
{
struct ucb1400 *ucb = input_get_drvdata(idev);
struct ucb1400_ts *ucb = input_get_drvdata(idev);
int ret = 0;
BUG_ON(ucb->ts_task);
@@ -385,19 +280,143 @@ static int ucb1400_ts_open(struct input_dev *idev)
static void ucb1400_ts_close(struct input_dev *idev)
{
struct ucb1400 *ucb = input_get_drvdata(idev);
struct ucb1400_ts *ucb = input_get_drvdata(idev);
if (ucb->ts_task)
kthread_stop(ucb->ts_task);
ucb1400_ts_irq_disable(ucb);
ucb1400_reg_write(ucb, UCB_TS_CR, 0);
ucb1400_ts_irq_disable(ucb->ac97);
ucb1400_reg_write(ucb->ac97, UCB_TS_CR, 0);
}
#ifndef NO_IRQ
#define NO_IRQ 0
#endif
/*
* Try to probe our interrupt, rather than relying on lots of
* hard-coded machine dependencies.
*/
static int ucb1400_ts_detect_irq(struct ucb1400_ts *ucb)
{
unsigned long mask, timeout;
mask = probe_irq_on();
/* Enable the ADC interrupt. */
ucb1400_reg_write(ucb->ac97, UCB_IE_RIS, UCB_IE_ADC);
ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, UCB_IE_ADC);
ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0xffff);
ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
/* Cause an ADC interrupt. */
ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, UCB_ADC_ENA);
ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START);
/* Wait for the conversion to complete. */
timeout = jiffies + HZ/2;
while (!(ucb1400_reg_read(ucb->ac97, UCB_ADC_DATA) &
UCB_ADC_DAT_VALID)) {
cpu_relax();
if (time_after(jiffies, timeout)) {
printk(KERN_ERR "ucb1400: timed out in IRQ probe\n");
probe_irq_off(mask);
return -ENODEV;
}
}
ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, 0);
/* Disable and clear interrupt. */
ucb1400_reg_write(ucb->ac97, UCB_IE_RIS, 0);
ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, 0);
ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0xffff);
ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
/* Read triggered interrupt. */
ucb->irq = probe_irq_off(mask);
if (ucb->irq < 0 || ucb->irq == NO_IRQ)
return -ENODEV;
return 0;
}
static int ucb1400_ts_probe(struct platform_device *dev)
{
int error, x_res, y_res;
struct ucb1400_ts *ucb = dev->dev.platform_data;
ucb->ts_idev = input_allocate_device();
if (!ucb->ts_idev) {
error = -ENOMEM;
goto err;
}
error = ucb1400_ts_detect_irq(ucb);
if (error) {
printk(KERN_ERR "UCB1400: IRQ probe failed\n");
goto err_free_devs;
}
init_waitqueue_head(&ucb->ts_wait);
error = request_irq(ucb->irq, ucb1400_hard_irq, IRQF_TRIGGER_RISING,
"UCB1400", ucb);
if (error) {
printk(KERN_ERR "ucb1400: unable to grab irq%d: %d\n",
ucb->irq, error);
goto err_free_devs;
}
printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq);
input_set_drvdata(ucb->ts_idev, ucb);
ucb->ts_idev->dev.parent = &dev->dev;
ucb->ts_idev->name = "UCB1400 touchscreen interface";
ucb->ts_idev->id.vendor = ucb1400_reg_read(ucb->ac97,
AC97_VENDOR_ID1);
ucb->ts_idev->id.product = ucb->id;
ucb->ts_idev->open = ucb1400_ts_open;
ucb->ts_idev->close = ucb1400_ts_close;
ucb->ts_idev->evbit[0] = BIT_MASK(EV_ABS);
ucb1400_adc_enable(ucb->ac97);
x_res = ucb1400_ts_read_xres(ucb);
y_res = ucb1400_ts_read_yres(ucb);
ucb1400_adc_disable(ucb->ac97);
printk(KERN_DEBUG "UCB1400: x/y = %d/%d\n", x_res, y_res);
input_set_abs_params(ucb->ts_idev, ABS_X, 0, x_res, 0, 0);
input_set_abs_params(ucb->ts_idev, ABS_Y, 0, y_res, 0, 0);
input_set_abs_params(ucb->ts_idev, ABS_PRESSURE, 0, 0, 0, 0);
error = input_register_device(ucb->ts_idev);
if (error)
goto err_free_irq;
return 0;
err_free_irq:
free_irq(ucb->irq, ucb);
err_free_devs:
input_free_device(ucb->ts_idev);
err:
return error;
}
static int ucb1400_ts_remove(struct platform_device *dev)
{
struct ucb1400_ts *ucb = dev->dev.platform_data;
free_irq(ucb->irq, ucb);
input_unregister_device(ucb->ts_idev);
return 0;
}
#ifdef CONFIG_PM
static int ucb1400_ts_resume(struct device *dev)
static int ucb1400_ts_resume(struct platform_device *dev)
{
struct ucb1400 *ucb = dev_get_drvdata(dev);
struct ucb1400_ts *ucb = platform_get_drvdata(dev);
if (ucb->ts_task) {
/*
@@ -414,169 +433,36 @@ static int ucb1400_ts_resume(struct device *dev)
#define ucb1400_ts_resume NULL
#endif
#ifndef NO_IRQ
#define NO_IRQ 0
#endif
/*
* Try to probe our interrupt, rather than relying on lots of
* hard-coded machine dependencies.
*/
static int ucb1400_detect_irq(struct ucb1400 *ucb)
{
unsigned long mask, timeout;
mask = probe_irq_on();
/* Enable the ADC interrupt. */
ucb1400_reg_write(ucb, UCB_IE_RIS, UCB_IE_ADC);
ucb1400_reg_write(ucb, UCB_IE_FAL, UCB_IE_ADC);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0xffff);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
/* Cause an ADC interrupt. */
ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA);
ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START);
/* Wait for the conversion to complete. */
timeout = jiffies + HZ/2;
while (!(ucb1400_reg_read(ucb, UCB_ADC_DATA) & UCB_ADC_DAT_VALID)) {
cpu_relax();
if (time_after(jiffies, timeout)) {
printk(KERN_ERR "ucb1400: timed out in IRQ probe\n");
probe_irq_off(mask);
return -ENODEV;
}
}
ucb1400_reg_write(ucb, UCB_ADC_CR, 0);
/* Disable and clear interrupt. */
ucb1400_reg_write(ucb, UCB_IE_RIS, 0);
ucb1400_reg_write(ucb, UCB_IE_FAL, 0);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0xffff);
ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
/* Read triggered interrupt. */
ucb->irq = probe_irq_off(mask);
if (ucb->irq < 0 || ucb->irq == NO_IRQ)
return -ENODEV;
return 0;
}
static int ucb1400_ts_probe(struct device *dev)
{
struct ucb1400 *ucb;
struct input_dev *idev;
int error, id, x_res, y_res;
ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL);
idev = input_allocate_device();
if (!ucb || !idev) {
error = -ENOMEM;
goto err_free_devs;
}
ucb->ts_idev = idev;
ucb->adcsync = adcsync;
ucb->ac97 = to_ac97_t(dev);
init_waitqueue_head(&ucb->ts_wait);
id = ucb1400_reg_read(ucb, UCB_ID);
if (id != UCB_ID_1400) {
error = -ENODEV;
goto err_free_devs;
}
error = ucb1400_detect_irq(ucb);
if (error) {
printk(KERN_ERR "UCB1400: IRQ probe failed\n");
goto err_free_devs;
}
error = request_irq(ucb->irq, ucb1400_hard_irq, IRQF_TRIGGER_RISING,
"UCB1400", ucb);
if (error) {
printk(KERN_ERR "ucb1400: unable to grab irq%d: %d\n",
ucb->irq, error);
goto err_free_devs;
}
printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq);
input_set_drvdata(idev, ucb);
idev->dev.parent = dev;
idev->name = "UCB1400 touchscreen interface";
idev->id.vendor = ucb1400_reg_read(ucb, AC97_VENDOR_ID1);
idev->id.product = id;
idev->open = ucb1400_ts_open;
idev->close = ucb1400_ts_close;
idev->evbit[0] = BIT_MASK(EV_ABS);
ucb1400_adc_enable(ucb);
x_res = ucb1400_ts_read_xres(ucb);
y_res = ucb1400_ts_read_yres(ucb);
ucb1400_adc_disable(ucb);
printk(KERN_DEBUG "UCB1400: x/y = %d/%d\n", x_res, y_res);
input_set_abs_params(idev, ABS_X, 0, x_res, 0, 0);
input_set_abs_params(idev, ABS_Y, 0, y_res, 0, 0);
input_set_abs_params(idev, ABS_PRESSURE, 0, 0, 0, 0);
error = input_register_device(idev);
if (error)
goto err_free_irq;
dev_set_drvdata(dev, ucb);
return 0;
err_free_irq:
free_irq(ucb->irq, ucb);
err_free_devs:
input_free_device(idev);
kfree(ucb);
return error;
}
static int ucb1400_ts_remove(struct device *dev)
{
struct ucb1400 *ucb = dev_get_drvdata(dev);
free_irq(ucb->irq, ucb);
input_unregister_device(ucb->ts_idev);
dev_set_drvdata(dev, NULL);
kfree(ucb);
return 0;
}
static struct device_driver ucb1400_ts_driver = {
.name = "ucb1400_ts",
.owner = THIS_MODULE,
.bus = &ac97_bus_type,
.probe = ucb1400_ts_probe,
.remove = ucb1400_ts_remove,
.resume = ucb1400_ts_resume,
static struct platform_driver ucb1400_ts_driver = {
.probe = ucb1400_ts_probe,
.remove = ucb1400_ts_remove,
.resume = ucb1400_ts_resume,
.driver = {
.name = "ucb1400_ts",
},
};
static int __init ucb1400_ts_init(void)
{
return driver_register(&ucb1400_ts_driver);
return platform_driver_register(&ucb1400_ts_driver);
}
static void __exit ucb1400_ts_exit(void)
{
driver_unregister(&ucb1400_ts_driver);
platform_driver_unregister(&ucb1400_ts_driver);
}
module_param(adcsync, bool, 0444);
MODULE_PARM_DESC(adcsync, "Synchronize touch readings with ADCSYNC pin.");
module_param(ts_delay, int, 0444);
MODULE_PARM_DESC(ts_delay, "Delay between panel setup and position read. Default = 55us.");
MODULE_PARM_DESC(ts_delay, "Delay between panel setup and"
" position read. Default = 55us.");
module_param(ts_delay_pressure, int, 0444);
MODULE_PARM_DESC(ts_delay_pressure,
"delay between panel setup and pressure read. Default = 0us.");
"delay between panel setup and pressure read."
" Default = 0us.");
module_init(ucb1400_ts_init);
module_exit(ucb1400_ts_exit);