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path: root/drivers/input/touchscreen
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Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/ads7846.c30
-rw-r--r--drivers/input/touchscreen/corgi_ts.c3
-rw-r--r--drivers/input/touchscreen/elo.c3
-rw-r--r--drivers/input/touchscreen/gunze.c2
-rw-r--r--drivers/input/touchscreen/h3600_ts_input.c9
-rw-r--r--drivers/input/touchscreen/mtouch.c2
-rw-r--r--drivers/input/touchscreen/penmount.c3
-rw-r--r--drivers/input/touchscreen/touchright.c2
-rw-r--r--drivers/input/touchscreen/touchwin.c2
-rw-r--r--drivers/input/touchscreen/ucb1400_ts.c26
10 files changed, 47 insertions, 35 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 0a26e066354..693e3b2a65a 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -39,7 +39,8 @@
/*
* This code has been heavily tested on a Nokia 770, and lightly
* tested on other ads7846 devices (OSK/Mistral, Lubbock).
- * Support for ads7843 and ads7845 has only been stubbed in.
+ * Support for ads7843 tested on Atmel at91sam926x-EK.
+ * Support for ads7845 has only been stubbed in.
*
* IRQ handling needs a workaround because of a shortcoming in handling
* edge triggered IRQs on some platforms like the OMAP1/2. These
@@ -246,18 +247,16 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
/* REVISIT: take a few more samples, and compare ... */
- /* maybe off internal vREF */
- if (use_internal) {
- req->ref_off = REF_OFF;
- req->xfer[4].tx_buf = &req->ref_off;
- req->xfer[4].len = 1;
- spi_message_add_tail(&req->xfer[4], &req->msg);
-
- req->xfer[5].rx_buf = &req->scratch;
- req->xfer[5].len = 2;
- CS_CHANGE(req->xfer[5]);
- spi_message_add_tail(&req->xfer[5], &req->msg);
- }
+ /* converter in low power mode & enable PENIRQ */
+ req->ref_off = PWRDOWN;
+ req->xfer[4].tx_buf = &req->ref_off;
+ req->xfer[4].len = 1;
+ spi_message_add_tail(&req->xfer[4], &req->msg);
+
+ req->xfer[5].rx_buf = &req->scratch;
+ req->xfer[5].len = 2;
+ CS_CHANGE(req->xfer[5]);
+ spi_message_add_tail(&req->xfer[5], &req->msg);
ts->irq_disabled = 1;
disable_irq(spi->irq);
@@ -536,6 +535,9 @@ static void ads7846_rx(void *ads)
} else
Rt = 0;
+ if (ts->model == 7843)
+ Rt = ts->pressure_max / 2;
+
/* Sample found inconsistent by debouncing or pressure is beyond
* the maximum. Don't report it to user space, repeat at least
* once more the measurement
@@ -897,7 +899,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
input_dev->name = "ADS784x Touchscreen";
input_dev->phys = ts->phys;
- input_dev->cdev.dev = &spi->dev;
+ input_dev->dev.parent = &spi->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index e2945582828..e6a31d11878 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -300,8 +300,7 @@ static int __init corgits_probe(struct platform_device *pdev)
input_dev->id.vendor = 0x0001;
input_dev->id.product = 0x0002;
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = &pdev->dev;
- input_dev->private = corgi_ts;
+ input_dev->dev.parent = &pdev->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c
index 9d61cd133d0..557d781719f 100644
--- a/drivers/input/touchscreen/elo.c
+++ b/drivers/input/touchscreen/elo.c
@@ -312,14 +312,13 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv)
init_completion(&elo->cmd_done);
snprintf(elo->phys, sizeof(elo->phys), "%s/input0", serio->phys);
- input_dev->private = elo;
input_dev->name = "Elo Serial TouchScreen";
input_dev->phys = elo->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_ELO;
input_dev->id.product = elo->id;
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = &serio->dev;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
index 9157eb148e8..39d602600d7 100644
--- a/drivers/input/touchscreen/gunze.c
+++ b/drivers/input/touchscreen/gunze.c
@@ -130,13 +130,13 @@ static int gunze_connect(struct serio *serio, struct serio_driver *drv)
gunze->dev = input_dev;
snprintf(gunze->phys, sizeof(serio->phys), "%s/input0", serio->phys);
- input_dev->private = gunze;
input_dev->name = "Gunze AHL-51S TouchScreen";
input_dev->phys = gunze->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_GUNZE;
input_dev->id.product = 0x0051;
input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(input_dev, ABS_X, 24, 1000, 0, 0);
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
index c4116d4f64e..09ed7803cb8 100644
--- a/drivers/input/touchscreen/h3600_ts_input.c
+++ b/drivers/input/touchscreen/h3600_ts_input.c
@@ -147,7 +147,7 @@ enum flite_pwr {
unsigned int h3600_flite_power(struct input_dev *dev, enum flite_pwr pwr)
{
unsigned char brightness = (pwr == FLITE_PWR_OFF) ? 0 : flite_brightness;
- struct h3600_dev *ts = dev->private;
+ struct h3600_dev *ts = input_get_drvdata(dev);
/* Must be in this order */
ts->serio->write(ts->serio, 1);
@@ -260,7 +260,7 @@ static int h3600ts_event(struct input_dev *dev, unsigned int type,
unsigned int code, int value)
{
#if 0
- struct h3600_dev *ts = dev->private;
+ struct h3600_dev *ts = input_get_drvdata(dev);
switch (type) {
case EV_LED: {
@@ -367,8 +367,9 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv)
input_dev->id.vendor = SERIO_H3600;
input_dev->id.product = 0x0666; /* FIXME !!! We can ask the hardware */
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = &serio->dev;
- input_dev->private = ts;
+ input_dev->dev.parent = &serio->dev;
+
+ input_set_drvdata(input_dev, ts);
input_dev->event = h3600ts_event;
diff --git a/drivers/input/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c
index c3c2d735d0e..4ec3b1f940c 100644
--- a/drivers/input/touchscreen/mtouch.c
+++ b/drivers/input/touchscreen/mtouch.c
@@ -144,13 +144,13 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
mtouch->dev = input_dev;
snprintf(mtouch->phys, sizeof(mtouch->phys), "%s/input0", serio->phys);
- input_dev->private = mtouch;
input_dev->name = "MicroTouch Serial TouchScreen";
input_dev->phys = mtouch->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_MICROTOUCH;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(mtouch->dev, ABS_X, MTOUCH_MIN_XC, MTOUCH_MAX_XC, 0, 0);
diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c
index bd2767991ae..f2c0d3c7149 100644
--- a/drivers/input/touchscreen/penmount.c
+++ b/drivers/input/touchscreen/penmount.c
@@ -105,14 +105,13 @@ static int pm_connect(struct serio *serio, struct serio_driver *drv)
pm->dev = input_dev;
snprintf(pm->phys, sizeof(pm->phys), "%s/input0", serio->phys);
- input_dev->private = pm;
input_dev->name = "Penmount Serial TouchScreen";
input_dev->phys = pm->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_PENMOUNT;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = &serio->dev;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
diff --git a/drivers/input/touchscreen/touchright.c b/drivers/input/touchscreen/touchright.c
index 35ba46c6ad2..3def7bb1df4 100644
--- a/drivers/input/touchscreen/touchright.c
+++ b/drivers/input/touchscreen/touchright.c
@@ -118,13 +118,13 @@ static int tr_connect(struct serio *serio, struct serio_driver *drv)
tr->dev = input_dev;
snprintf(tr->phys, sizeof(tr->phys), "%s/input0", serio->phys);
- input_dev->private = tr;
input_dev->name = "Touchright Serial TouchScreen";
input_dev->phys = tr->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_TOUCHRIGHT;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(tr->dev, ABS_X, TR_MIN_XC, TR_MAX_XC, 0, 0);
diff --git a/drivers/input/touchscreen/touchwin.c b/drivers/input/touchscreen/touchwin.c
index 4dc073dacab..ac4bdcf1866 100644
--- a/drivers/input/touchscreen/touchwin.c
+++ b/drivers/input/touchscreen/touchwin.c
@@ -125,13 +125,13 @@ static int tw_connect(struct serio *serio, struct serio_driver *drv)
tw->dev = input_dev;
snprintf(tw->phys, sizeof(tw->phys), "%s/input0", serio->phys);
- input_dev->private = tw;
input_dev->name = "Touchwindow Serial TouchScreen";
input_dev->phys = tw->phys;
input_dev->id.bustype = BUS_RS232;
input_dev->id.vendor = SERIO_TOUCHWIN;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(tw->dev, ABS_X, TW_MIN_XC, TW_MAX_XC, 0, 0);
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index e8606c48c9c..6582816a047 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -97,6 +97,8 @@ struct ucb1400 {
};
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)
{
@@ -159,6 +161,7 @@ static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb)
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);
}
@@ -180,7 +183,7 @@ static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb)
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
- udelay(55);
+ udelay(ts_delay);
return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
}
@@ -203,7 +206,7 @@ static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400 *ucb)
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
- udelay(55);
+ udelay(ts_delay);
return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPX);
}
@@ -369,7 +372,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
static int ucb1400_ts_open(struct input_dev *idev)
{
- struct ucb1400 *ucb = idev->private;
+ struct ucb1400 *ucb = input_get_drvdata(idev);
int ret = 0;
BUG_ON(ucb->ts_task);
@@ -385,7 +388,7 @@ static int ucb1400_ts_open(struct input_dev *idev)
static void ucb1400_ts_close(struct input_dev *idev)
{
- struct ucb1400 *ucb = idev->private;
+ struct ucb1400 *ucb = input_get_drvdata(idev);
if (ucb->ts_task)
kthread_stop(ucb->ts_task);
@@ -507,8 +510,9 @@ static int ucb1400_ts_probe(struct device *dev)
}
printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq);
- idev->private = ucb;
- idev->cdev.dev = dev;
+ 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;
@@ -571,7 +575,15 @@ static void __exit ucb1400_ts_exit(void)
driver_unregister(&ucb1400_ts_driver);
}
-module_param(adcsync, int, 0444);
+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_param(ts_delay_pressure, int, 0444);
+MODULE_PARM_DESC(ts_delay_pressure,
+ "delay between panel setup and pressure read. Default = 0us.");
module_init(ucb1400_ts_init);
module_exit(ucb1400_ts_exit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 03:47:19 +0000