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-rw-r--r--drivers/input/touchscreen/Kconfig3
-rw-r--r--drivers/input/touchscreen/ads7846.c162
-rw-r--r--drivers/input/touchscreen/atmel_tsadcc.c37
-rw-r--r--drivers/input/touchscreen/hp680_ts_input.c2
-rw-r--r--drivers/input/touchscreen/mainstone-wm97xx.c5
-rw-r--r--drivers/input/touchscreen/ucb1400_ts.c382
-rw-r--r--drivers/input/touchscreen/wm9705.c5
-rw-r--r--drivers/input/touchscreen/wm9712.c5
-rw-r--r--drivers/input/touchscreen/wm9713.c5
-rw-r--r--drivers/input/touchscreen/wm97xx-core.c5
10 files changed, 280 insertions, 331 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 25287e80e23..8317fdef169 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -219,7 +219,8 @@ config TOUCHSCREEN_ATMEL_TSADCC
config TOUCHSCREEN_UCB1400
tristate "Philips UCB1400 touchscreen"
- select AC97_BUS
+ depends on 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
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index ce6f48c695f..b9b7fc6ff1e 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -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>
@@ -68,6 +69,17 @@ struct ts_event {
int ignore;
};
+/*
+ * We allocate this separately to avoid cache line sharing issues when
+ * driver is used with DMA-based SPI controllers (like atmel_spi) on
+ * systems where main memory is not DMA-coherent (most non-x86 boards).
+ */
+struct ads7846_packet {
+ u8 read_x, read_y, read_z1, read_z2, pwrdown;
+ u16 dummy; /* for the pwrdown read */
+ struct ts_event tc;
+};
+
struct ads7846 {
struct input_dev *input;
char phys[32];
@@ -85,9 +97,7 @@ struct ads7846 {
u16 x_plate_ohms;
u16 pressure_max;
- u8 read_x, read_y, read_z1, read_z2, pwrdown;
- u16 dummy; /* for the pwrdown read */
- struct ts_event tc;
+ struct ads7846_packet *packet;
struct spi_transfer xfer[18];
struct spi_message msg[5];
@@ -116,6 +126,7 @@ 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? */
@@ -461,10 +472,11 @@ static ssize_t ads7846_disable_store(struct device *dev,
const char *buf, size_t count)
{
struct ads7846 *ts = dev_get_drvdata(dev);
- char *endp;
- int i;
+ long i;
+
+ if (strict_strtoul(buf, 10, &i))
+ return -EINVAL;
- i = simple_strtoul(buf, &endp, 10);
spin_lock_irq(&ts->lock);
if (i)
@@ -491,6 +503,14 @@ 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.
@@ -502,16 +522,17 @@ static struct attribute_group ads784x_attr_group = {
static void ads7846_rx(void *ads)
{
struct ads7846 *ts = ads;
+ struct ads7846_packet *packet = ts->packet;
unsigned Rt;
u16 x, y, z1, z2;
/* ads7846_rx_val() did in-place conversion (including byteswap) from
* on-the-wire format as part of debouncing to get stable readings.
*/
- x = ts->tc.x;
- y = ts->tc.y;
- z1 = ts->tc.z1;
- z2 = ts->tc.z2;
+ x = packet->tc.x;
+ y = packet->tc.y;
+ z1 = packet->tc.z1;
+ z2 = packet->tc.z2;
/* range filtering */
if (x == MAX_12BIT)
@@ -535,10 +556,10 @@ static void ads7846_rx(void *ads)
* the maximum. Don't report it to user space, repeat at least
* once more the measurement
*/
- if (ts->tc.ignore || Rt > ts->pressure_max) {
+ if (packet->tc.ignore || Rt > ts->pressure_max) {
#ifdef VERBOSE
pr_debug("%s: ignored %d pressure %d\n",
- ts->spi->dev.bus_id, ts->tc.ignore, Rt);
+ ts->spi->dev.bus_id, packet->tc.ignore, Rt);
#endif
hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD),
HRTIMER_MODE_REL);
@@ -550,7 +571,7 @@ 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;
}
@@ -631,6 +652,7 @@ static int ads7846_no_filter(void *ads, int data_idx, int *val)
static void ads7846_rx_val(void *ads)
{
struct ads7846 *ts = ads;
+ struct ads7846_packet *packet = ts->packet;
struct spi_message *m;
struct spi_transfer *t;
int val;
@@ -650,7 +672,7 @@ static void ads7846_rx_val(void *ads)
case ADS7846_FILTER_REPEAT:
break;
case ADS7846_FILTER_IGNORE:
- ts->tc.ignore = 1;
+ packet->tc.ignore = 1;
/* Last message will contain ads7846_rx() as the
* completion function.
*/
@@ -658,7 +680,7 @@ static void ads7846_rx_val(void *ads)
break;
case ADS7846_FILTER_OK:
*(u16 *)t->rx_buf = val;
- ts->tc.ignore = 0;
+ packet->tc.ignore = 0;
m = &ts->msg[++ts->msg_idx];
break;
default:
@@ -677,7 +699,7 @@ 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 +738,7 @@ 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
@@ -763,7 +785,6 @@ static void ads7846_disable(struct ads7846 *ts)
/* we know the chip's in lowpower mode since we always
* leave it that way after every request
*/
-
}
/* Must be called with ts->lock held */
@@ -806,9 +827,40 @@ 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;
+ struct ads7846_packet *packet;
struct input_dev *input_dev;
struct ads7846_platform_data *pdata = spi->dev.platform_data;
struct spi_message *m;
@@ -833,15 +885,6 @@ 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.
@@ -853,14 +896,16 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return err;
ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL);
+ packet = kzalloc(sizeof(struct ads7846_packet), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!ts || !input_dev) {
+ if (!ts || !packet || !input_dev) {
err = -ENOMEM;
goto err_free_mem;
}
dev_set_drvdata(&spi->dev, ts);
+ ts->packet = packet;
ts->spi = spi;
ts->input = input_dev;
ts->vref_mv = pdata->vref_mv;
@@ -893,7 +938,10 @@ 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 =
@@ -929,13 +977,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
/* y- still on; turn on only y+ (and ADC) */
- ts->read_y = READ_Y(vref);
- x->tx_buf = &ts->read_y;
+ packet->read_y = READ_Y(vref);
+ x->tx_buf = &packet->read_y;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.y;
+ x->rx_buf = &packet->tc.y;
x->len = 2;
spi_message_add_tail(x, m);
@@ -947,12 +995,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_y;
+ x->tx_buf = &packet->read_y;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.y;
+ x->rx_buf = &packet->tc.y;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -965,13 +1013,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
/* turn y- off, x+ on, then leave in lowpower */
x++;
- ts->read_x = READ_X(vref);
- x->tx_buf = &ts->read_x;
+ packet->read_x = READ_X(vref);
+ x->tx_buf = &packet->read_x;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.x;
+ x->rx_buf = &packet->tc.x;
x->len = 2;
spi_message_add_tail(x, m);
@@ -980,12 +1028,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_x;
+ x->tx_buf = &packet->read_x;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.x;
+ x->rx_buf = &packet->tc.x;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -999,13 +1047,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
x++;
- ts->read_z1 = READ_Z1(vref);
- x->tx_buf = &ts->read_z1;
+ packet->read_z1 = READ_Z1(vref);
+ x->tx_buf = &packet->read_z1;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z1;
+ x->rx_buf = &packet->tc.z1;
x->len = 2;
spi_message_add_tail(x, m);
@@ -1014,12 +1062,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_z1;
+ x->tx_buf = &packet->read_z1;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z1;
+ x->rx_buf = &packet->tc.z1;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -1031,13 +1079,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
x++;
- ts->read_z2 = READ_Z2(vref);
- x->tx_buf = &ts->read_z2;
+ packet->read_z2 = READ_Z2(vref);
+ x->tx_buf = &packet->read_z2;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z2;
+ x->rx_buf = &packet->tc.z2;
x->len = 2;
spi_message_add_tail(x, m);
@@ -1046,12 +1094,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_z2;
+ x->tx_buf = &packet->read_z2;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z2;
+ x->rx_buf = &packet->tc.z2;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -1065,13 +1113,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
x++;
- ts->pwrdown = PWRDOWN;
- x->tx_buf = &ts->pwrdown;
+ packet->pwrdown = PWRDOWN;
+ x->tx_buf = &packet->pwrdown;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->dummy;
+ x->rx_buf = &packet->dummy;
x->len = 2;
CS_CHANGE(*x);
spi_message_add_tail(x, m);
@@ -1085,7 +1133,7 @@ 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);
@@ -1116,11 +1164,15 @@ 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);
err_free_mem:
input_free_device(input_dev);
+ kfree(packet);
kfree(ts);
return err;
}
@@ -1140,9 +1192,13 @@ 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);
+ kfree(ts->packet);
kfree(ts);
dev_dbg(&spi->dev, "unregistered touchscreen\n");
diff --git a/drivers/input/touchscreen/atmel_tsadcc.c b/drivers/input/touchscreen/atmel_tsadcc.c
index eee126b19e8..a89a6a8f05e 100644
--- a/drivers/input/touchscreen/atmel_tsadcc.c
+++ b/drivers/input/touchscreen/atmel_tsadcc.c
@@ -91,6 +91,9 @@ struct atmel_tsadcc {
char phys[32];
struct clk *clk;
int irq;
+ unsigned int prev_absx;
+ unsigned int prev_absy;
+ unsigned char bufferedmeasure;
};
static void __iomem *tsc_base;
@@ -100,10 +103,9 @@ static void __iomem *tsc_base;
static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
{
- struct input_dev *input_dev = ((struct atmel_tsadcc *)dev)->input;
+ struct atmel_tsadcc *ts_dev = (struct atmel_tsadcc *)dev;
+ struct input_dev *input_dev = ts_dev->input;
- unsigned int absx;
- unsigned int absy;
unsigned int status;
unsigned int reg;
@@ -121,6 +123,7 @@ static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
atmel_tsadcc_write(ATMEL_TSADCC_IER, ATMEL_TSADCC_PENCNT);
input_report_key(input_dev, BTN_TOUCH, 0);
+ ts_dev->bufferedmeasure = 0;
input_sync(input_dev);
} else if (status & ATMEL_TSADCC_PENCNT) {
@@ -138,16 +141,23 @@ static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
} else if (status & ATMEL_TSADCC_EOC(3)) {
/* Conversion finished */
- absx = atmel_tsadcc_read(ATMEL_TSADCC_CDR3) << 10;
- absx /= atmel_tsadcc_read(ATMEL_TSADCC_CDR2);
-
- absy = atmel_tsadcc_read(ATMEL_TSADCC_CDR1) << 10;
- absy /= atmel_tsadcc_read(ATMEL_TSADCC_CDR0);
-
- input_report_abs(input_dev, ABS_X, absx);
- input_report_abs(input_dev, ABS_Y, absy);
- input_report_key(input_dev, BTN_TOUCH, 1);
- input_sync(input_dev);
+ if (ts_dev->bufferedmeasure) {
+ /* Last measurement is always discarded, since it can
+ * be erroneous.
+ * Always report previous measurement */
+ input_report_abs(input_dev, ABS_X, ts_dev->prev_absx);
+ input_report_abs(input_dev, ABS_Y, ts_dev->prev_absy);
+ input_report_key(input_dev, BTN_TOUCH, 1);
+ input_sync(input_dev);
+ } else
+ ts_dev->bufferedmeasure = 1;
+
+ /* Now make new measurement */
+ ts_dev->prev_absx = atmel_tsadcc_read(ATMEL_TSADCC_CDR3) << 10;
+ ts_dev->prev_absx /= atmel_tsadcc_read(ATMEL_TSADCC_CDR2);
+
+ ts_dev->prev_absy = atmel_tsadcc_read(ATMEL_TSADCC_CDR1) << 10;
+ ts_dev->prev_absy /= atmel_tsadcc_read(ATMEL_TSADCC_CDR0);
}
return IRQ_HANDLED;
@@ -223,6 +233,7 @@ static int __devinit atmel_tsadcc_probe(struct platform_device *pdev)
}
ts_dev->input = input_dev;
+ ts_dev->bufferedmeasure = 0;
snprintf(ts_dev->phys, sizeof(ts_dev->phys),
"%s/input0", pdev->dev.bus_id);
diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c
index c38d4e0f95c..a89700e7ace 100644
--- a/drivers/input/touchscreen/hp680_ts_input.c
+++ b/drivers/input/touchscreen/hp680_ts_input.c
@@ -5,7 +5,7 @@
#include <asm/io.h>
#include <asm/delay.h>
#include <asm/adc.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
#define MODNAME "hp680_ts_input"
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 37a555f3730..ba648750a8d 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -3,8 +3,7 @@
* Wolfson WM97xx AC97 Codecs.
*
* Copyright 2004, 2007 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
*
@@ -296,6 +295,6 @@ module_init(mainstone_wm97xx_init);
module_exit(mainstone_wm97xx_exit);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("wm97xx continuous touch driver for mainstone");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index bce018e45bc..54986627def 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -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);
@@ -385,34 +280,14 @@ 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);
-}
-
-#ifdef CONFIG_PM
-static int ucb1400_ts_resume(struct device *dev)
-{
- struct ucb1400 *ucb = dev_get_drvdata(dev);
-
- if (ucb->ts_task) {
- /*
- * Restart the TS thread to ensure the
- * TS interrupt mode is set up again
- * after sleep.
- */
- ucb->ts_restart = 1;
- wake_up(&ucb->ts_wait);
- }
- return 0;
+ ucb1400_ts_irq_disable(ucb->ac97);
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR, 0);
}
-#else
-#define ucb1400_ts_resume NULL
-#endif
#ifndef NO_IRQ
#define NO_IRQ 0
@@ -422,25 +297,26 @@ static int ucb1400_ts_resume(struct device *dev)
* Try to probe our interrupt, rather than relying on lots of
* hard-coded machine dependencies.
*/
-static int ucb1400_detect_irq(struct ucb1400 *ucb)
+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, 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);
+ 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, UCB_ADC_CR, UCB_ADC_ENA);
- ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START);
+ 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, UCB_ADC_DATA) & UCB_ADC_DAT_VALID)) {
+ 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");
@@ -448,13 +324,13 @@ static int ucb1400_detect_irq(struct ucb1400 *ucb)
return -ENODEV;
}
}
- ucb1400_reg_write(ucb, UCB_ADC_CR, 0);
+ ucb1400_reg_write(ucb->ac97, 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);
+ 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);
@@ -464,36 +340,25 @@ static int ucb1400_detect_irq(struct ucb1400 *ucb)
return 0;
}
-static int ucb1400_ts_probe(struct device *dev)
+static int ucb1400_ts_probe(struct platform_device *dev)
{
- struct ucb1400 *ucb;
- struct input_dev *idev;
- int error, id, x_res, y_res;
+ int error, x_res, y_res;
+ struct ucb1400_ts *ucb = dev->dev.platform_data;
- ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL);
- idev = input_allocate_device();
- if (!ucb || !idev) {
+ ucb->ts_idev = input_allocate_device();
+ if (!ucb->ts_idev) {
error = -ENOMEM;
- goto err_free_devs;
+ goto err;
}
- 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);
+ 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) {
@@ -503,80 +368,101 @@ static int ucb1400_ts_probe(struct device *dev)
}
printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq);
- input_set_drvdata(idev, ucb);
+ input_set_drvdata(ucb->ts_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);
+ 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);
+ ucb1400_adc_enable(ucb->ac97);
x_res = ucb1400_ts_read_xres(ucb);
y_res = ucb1400_ts_read_yres(ucb);
- ucb1400_adc_disable(ucb);
+ ucb1400_adc_disable(ucb->ac97);
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);
+ 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(idev);
+ error = input_register_device(ucb->ts_idev);
if (error)
goto err_free_irq;
- dev_set_drvdata(dev, ucb);
return 0;
- err_free_irq:
+err_free_irq:
free_irq(ucb->irq, ucb);
- err_free_devs:
- input_free_device(idev);
- kfree(ucb);
+err_free_devs:
+ input_free_device(ucb->ts_idev);
+err:
return error;
+
}
-static int ucb1400_ts_remove(struct device *dev)
+static int ucb1400_ts_remove(struct platform_device *dev)
{
- struct ucb1400 *ucb = dev_get_drvdata(dev);
+ struct ucb1400_ts *ucb = dev->dev.platform_data;
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,
+#ifdef CONFIG_PM
+static int ucb1400_ts_resume(struct platform_device *dev)
+{
+ struct ucb1400_ts *ucb = platform_get_drvdata(dev);
+
+ if (ucb->ts_task) {
+ /*
+ * Restart the TS thread to ensure the
+ * TS interrupt mode is set up again
+ * after sleep.
+ */
+ ucb->ts_restart = 1;
+ wake_up(&ucb->ts_wait);
+ }
+ return 0;
+}
+#else
+#define ucb1400_ts_resume NULL
+#endif
+
+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);
diff --git a/drivers/input/touchscreen/wm9705.c b/drivers/input/touchscreen/wm9705.c
index 372efbc694f..6b5be742c27 100644
--- a/drivers/input/touchscreen/wm9705.c
+++ b/drivers/input/touchscreen/wm9705.c
@@ -2,8 +2,7 @@
* wm9705.c -- Codec driver for Wolfson WM9705 AC97 Codec.
*
* Copyright 2003, 2004, 2005, 2006, 2007 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -347,6 +346,6 @@ struct wm97xx_codec_drv wm9705_codec = {
EXPORT_SYMBOL_GPL(wm9705_codec);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM9705 Touch Screen Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c
index c8bb1e7335f..7490b05c356 100644
--- a/drivers/input/touchscreen/wm9712.c
+++ b/drivers/input/touchscreen/wm9712.c
@@ -2,8 +2,7 @@
* wm9712.c -- Codec driver for Wolfson WM9712 AC97 Codecs.
*
* Copyright 2003, 2004, 2005, 2006, 2007 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -462,6 +461,6 @@ struct wm97xx_codec_drv wm9712_codec = {
EXPORT_SYMBOL_GPL(wm9712_codec);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM9712 Touch Screen Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm9713.c b/drivers/input/touchscreen/wm9713.c
index 781ee83547e..238b5132712 100644
--- a/drivers/input/touchscreen/wm9713.c
+++ b/drivers/input/touchscreen/wm9713.c
@@ -2,8 +2,7 @@
* wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -476,6 +475,6 @@ struct wm97xx_codec_drv wm9713_codec = {
EXPORT_SYMBOL_GPL(wm9713_codec);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM9713 Touch Screen Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index d589ab0e3ad..d15aa11d705 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -3,8 +3,7 @@
* and WM9713 AC97 Codecs.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -824,6 +823,6 @@ module_init(wm97xx_init);
module_exit(wm97xx_exit);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM97xx Core - Touch Screen / AUX ADC / GPIO Driver");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-14 06:45:40 +0000