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-rw-r--r--drivers/input/misc/adxl34x.c2
-rw-r--r--drivers/input/mouse/elan_i2c_core.c11
-rw-r--r--drivers/input/mouse/gpio_mouse.c206
-rw-r--r--drivers/input/rmi4/rmi_f54.c2
-rw-r--r--drivers/input/serio/sa1111ps2.c69
-rw-r--r--drivers/input/touchscreen/Kconfig2
-rw-r--r--drivers/input/touchscreen/ad7879.c13
-rw-r--r--drivers/input/touchscreen/edt-ft5x06.c173
-rw-r--r--drivers/input/touchscreen/elants_i2c.c19
-rw-r--r--drivers/input/touchscreen/melfas_mip4.c17
-rw-r--r--drivers/input/touchscreen/raydium_i2c_ts.c18
-rw-r--r--drivers/input/touchscreen/rohm_bu21023.c17
-rw-r--r--drivers/input/touchscreen/stmfts.c4
-rw-r--r--drivers/input/touchscreen/wdt87xx_i2c.c10
14 files changed, 289 insertions, 274 deletions
diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c
index 2b2d02f408bb..a3e79bf5a04b 100644
--- a/drivers/input/misc/adxl34x.c
+++ b/drivers/input/misc/adxl34x.c
@@ -796,7 +796,7 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq,
if (pdata->watermark) {
ac->int_mask |= WATERMARK;
- if (!FIFO_MODE(pdata->fifo_mode))
+ if (FIFO_MODE(pdata->fifo_mode) == FIFO_BYPASS)
ac->pdata.fifo_mode |= FIFO_STREAM;
} else {
ac->int_mask |= DATA_READY;
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 0e761d079dc4..c33f2cce6ba9 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -26,6 +26,7 @@
#include <linux/init.h>
#include <linux/input/mt.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/kernel.h>
@@ -1141,10 +1142,13 @@ static int elan_probe(struct i2c_client *client,
return error;
/*
- * Systems using device tree should set up interrupt via DTS,
- * the rest will use the default falling edge interrupts.
+ * Platform code (ACPI, DTS) should normally set up interrupt
+ * for us, but in case it did not let's fall back to using falling
+ * edge to be compatible with older Chromebooks.
*/
- irqflags = dev->of_node ? 0 : IRQF_TRIGGER_FALLING;
+ irqflags = irq_get_trigger_type(client->irq);
+ if (!irqflags)
+ irqflags = IRQF_TRIGGER_FALLING;
error = devm_request_threaded_irq(dev, client->irq, NULL, elan_isr,
irqflags | IRQF_ONESHOT,
@@ -1255,7 +1259,6 @@ static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN0602", 0 },
{ "ELAN0605", 0 },
{ "ELAN0608", 0 },
- { "ELAN0605", 0 },
{ "ELAN0609", 0 },
{ "ELAN060B", 0 },
{ "ELAN1000", 0 },
diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c
index ced07391304b..a26d8be6f795 100644
--- a/drivers/input/mouse/gpio_mouse.c
+++ b/drivers/input/mouse/gpio_mouse.c
@@ -2,6 +2,7 @@
* Driver for simulating a mouse on GPIO lines.
*
* Copyright (C) 2007 Atmel Corporation
+ * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
*
* 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
@@ -11,9 +12,35 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/input-polldev.h>
-#include <linux/gpio.h>
-#include <linux/gpio_mouse.h>
-
+#include <linux/gpio/consumer.h>
+#include <linux/property.h>
+#include <linux/of.h>
+
+/**
+ * struct gpio_mouse
+ * @scan_ms: the scan interval in milliseconds.
+ * @up: GPIO line for up value.
+ * @down: GPIO line for down value.
+ * @left: GPIO line for left value.
+ * @right: GPIO line for right value.
+ * @bleft: GPIO line for left button.
+ * @bmiddle: GPIO line for middle button.
+ * @bright: GPIO line for right button.
+ *
+ * This struct must be added to the platform_device in the board code.
+ * It is used by the gpio_mouse driver to setup GPIO lines and to
+ * calculate mouse movement.
+ */
+struct gpio_mouse {
+ u32 scan_ms;
+ struct gpio_desc *up;
+ struct gpio_desc *down;
+ struct gpio_desc *left;
+ struct gpio_desc *right;
+ struct gpio_desc *bleft;
+ struct gpio_desc *bmiddle;
+ struct gpio_desc *bright;
+};
/*
* Timer function which is run every scan_ms ms when the device is opened.
@@ -21,24 +48,22 @@
*/
static void gpio_mouse_scan(struct input_polled_dev *dev)
{
- struct gpio_mouse_platform_data *gpio = dev->private;
+ struct gpio_mouse *gpio = dev->private;
struct input_dev *input = dev->input;
int x, y;
- if (gpio->bleft >= 0)
+ if (gpio->bleft)
input_report_key(input, BTN_LEFT,
- gpio_get_value(gpio->bleft) ^ gpio->polarity);
- if (gpio->bmiddle >= 0)
+ gpiod_get_value(gpio->bleft));
+ if (gpio->bmiddle)
input_report_key(input, BTN_MIDDLE,
- gpio_get_value(gpio->bmiddle) ^ gpio->polarity);
- if (gpio->bright >= 0)
+ gpiod_get_value(gpio->bmiddle));
+ if (gpio->bright)
input_report_key(input, BTN_RIGHT,
- gpio_get_value(gpio->bright) ^ gpio->polarity);
+ gpiod_get_value(gpio->bright));
- x = (gpio_get_value(gpio->right) ^ gpio->polarity)
- - (gpio_get_value(gpio->left) ^ gpio->polarity);
- y = (gpio_get_value(gpio->down) ^ gpio->polarity)
- - (gpio_get_value(gpio->up) ^ gpio->polarity);
+ x = gpiod_get_value(gpio->right) - gpiod_get_value(gpio->left);
+ y = gpiod_get_value(gpio->down) - gpiod_get_value(gpio->up);
input_report_rel(input, REL_X, x);
input_report_rel(input, REL_Y, y);
@@ -47,65 +72,61 @@ static void gpio_mouse_scan(struct input_polled_dev *dev)
static int gpio_mouse_probe(struct platform_device *pdev)
{
- struct gpio_mouse_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct device *dev = &pdev->dev;
+ struct gpio_mouse *gmouse;
struct input_polled_dev *input_poll;
struct input_dev *input;
- int pin, i;
- int error;
-
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data\n");
- error = -ENXIO;
- goto out;
- }
-
- if (pdata->scan_ms < 0) {
- dev_err(&pdev->dev, "invalid scan time\n");
- error = -EINVAL;
- goto out;
- }
-
- for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
- pin = pdata->pins[i];
-
- if (pin < 0) {
-
- if (i <= GPIO_MOUSE_PIN_RIGHT) {
- /* Mouse direction is required. */
- dev_err(&pdev->dev,
- "missing GPIO for directions\n");
- error = -EINVAL;
- goto out_free_gpios;
- }
-
- if (i == GPIO_MOUSE_PIN_BLEFT)
- dev_dbg(&pdev->dev, "no left button defined\n");
-
- } else {
- error = gpio_request(pin, "gpio_mouse");
- if (error) {
- dev_err(&pdev->dev, "fail %d pin (%d idx)\n",
- pin, i);
- goto out_free_gpios;
- }
-
- gpio_direction_input(pin);
- }
+ int ret;
+
+ gmouse = devm_kzalloc(dev, sizeof(*gmouse), GFP_KERNEL);
+ if (!gmouse)
+ return -ENOMEM;
+
+ /* Assign some default scanning time */
+ ret = device_property_read_u32(dev, "scan-interval-ms",
+ &gmouse->scan_ms);
+ if (ret || gmouse->scan_ms == 0) {
+ dev_warn(dev, "invalid scan time, set to 50 ms\n");
+ gmouse->scan_ms = 50;
}
- input_poll = input_allocate_polled_device();
+ gmouse->up = devm_gpiod_get(dev, "up", GPIOD_IN);
+ if (IS_ERR(gmouse->up))
+ return PTR_ERR(gmouse->up);
+ gmouse->down = devm_gpiod_get(dev, "down", GPIOD_IN);
+ if (IS_ERR(gmouse->down))
+ return PTR_ERR(gmouse->down);
+ gmouse->left = devm_gpiod_get(dev, "left", GPIOD_IN);
+ if (IS_ERR(gmouse->left))
+ return PTR_ERR(gmouse->left);
+ gmouse->right = devm_gpiod_get(dev, "right", GPIOD_IN);
+ if (IS_ERR(gmouse->right))
+ return PTR_ERR(gmouse->right);
+
+ gmouse->bleft = devm_gpiod_get_optional(dev, "button-left", GPIOD_IN);
+ if (IS_ERR(gmouse->bleft))
+ return PTR_ERR(gmouse->bleft);
+ gmouse->bmiddle = devm_gpiod_get_optional(dev, "button-middle",
+ GPIOD_IN);
+ if (IS_ERR(gmouse->bmiddle))
+ return PTR_ERR(gmouse->bmiddle);
+ gmouse->bright = devm_gpiod_get_optional(dev, "button-right",
+ GPIOD_IN);
+ if (IS_ERR(gmouse->bright))
+ return PTR_ERR(gmouse->bright);
+
+ input_poll = devm_input_allocate_polled_device(dev);
if (!input_poll) {
- dev_err(&pdev->dev, "not enough memory for input device\n");
- error = -ENOMEM;
- goto out_free_gpios;
+ dev_err(dev, "not enough memory for input device\n");
+ return -ENOMEM;
}
platform_set_drvdata(pdev, input_poll);
/* set input-polldev handlers */
- input_poll->private = pdata;
+ input_poll->private = gmouse;
input_poll->poll = gpio_mouse_scan;
- input_poll->poll_interval = pdata->scan_ms;
+ input_poll->poll_interval = gmouse->scan_ms;
input = input_poll->input;
input->name = pdev->name;
@@ -114,63 +135,39 @@ static int gpio_mouse_probe(struct platform_device *pdev)
input_set_capability(input, EV_REL, REL_X);
input_set_capability(input, EV_REL, REL_Y);
- if (pdata->bleft >= 0)
+ if (gmouse->bleft)
input_set_capability(input, EV_KEY, BTN_LEFT);
- if (pdata->bmiddle >= 0)
+ if (gmouse->bmiddle)
input_set_capability(input, EV_KEY, BTN_MIDDLE);
- if (pdata->bright >= 0)
+ if (gmouse->bright)
input_set_capability(input, EV_KEY, BTN_RIGHT);
- error = input_register_polled_device(input_poll);
- if (error) {
- dev_err(&pdev->dev, "could not register input device\n");
- goto out_free_polldev;
+ ret = input_register_polled_device(input_poll);
+ if (ret) {
+ dev_err(dev, "could not register input device\n");
+ return ret;
}
- dev_dbg(&pdev->dev, "%d ms scan time, buttons: %s%s%s\n",
- pdata->scan_ms,
- pdata->bleft < 0 ? "" : "left ",
- pdata->bmiddle < 0 ? "" : "middle ",
- pdata->bright < 0 ? "" : "right");
+ dev_dbg(dev, "%d ms scan time, buttons: %s%s%s\n",
+ gmouse->scan_ms,
+ gmouse->bleft ? "" : "left ",
+ gmouse->bmiddle ? "" : "middle ",
+ gmouse->bright ? "" : "right");
return 0;
-
- out_free_polldev:
- input_free_polled_device(input_poll);
-
- out_free_gpios:
- while (--i >= 0) {
- pin = pdata->pins[i];
- if (pin)
- gpio_free(pin);
- }
- out:
- return error;
}
-static int gpio_mouse_remove(struct platform_device *pdev)
-{
- struct input_polled_dev *input = platform_get_drvdata(pdev);
- struct gpio_mouse_platform_data *pdata = input->private;
- int pin, i;
-
- input_unregister_polled_device(input);
- input_free_polled_device(input);
-
- for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
- pin = pdata->pins[i];
- if (pin >= 0)
- gpio_free(pin);
- }
-
- return 0;
-}
+static const struct of_device_id gpio_mouse_of_match[] = {
+ { .compatible = "gpio-mouse", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, gpio_mouse_of_match);
static struct platform_driver gpio_mouse_device_driver = {
.probe = gpio_mouse_probe,
- .remove = gpio_mouse_remove,
.driver = {
.name = "gpio_mouse",
+ .of_match_table = gpio_mouse_of_match,
}
};
module_platform_driver(gpio_mouse_device_driver);
@@ -179,4 +176,3 @@ MODULE_AUTHOR("Hans-Christian Egtvedt <egtvedt@samfundet.no>");
MODULE_DESCRIPTION("GPIO mouse driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:gpio_mouse"); /* work with hotplug and coldplug */
-
diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index f5206e2c767e..5343f2c08f15 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -73,7 +73,7 @@ enum rmi_f54_report_type {
F54_MAX_REPORT_TYPE,
};
-const char *rmi_f54_report_type_names[] = {
+static const char * const rmi_f54_report_type_names[] = {
[F54_REPORT_NONE] = "Unknown",
[F54_8BIT_IMAGE] = "Normalized 8-Bit Image",
[F54_16BIT_IMAGE] = "Normalized 16-Bit Image",
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index b3e688911fd9..f9e5c793f4f0 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -47,6 +47,8 @@ struct ps2if {
struct serio *io;
struct sa1111_dev *dev;
void __iomem *base;
+ int rx_irq;
+ int tx_irq;
unsigned int open;
spinlock_t lock;
unsigned int head;
@@ -64,22 +66,22 @@ static irqreturn_t ps2_rxint(int irq, void *dev_id)
struct ps2if *ps2if = dev_id;
unsigned int scancode, flag, status;
- status = sa1111_readl(ps2if->base + PS2STAT);
+ status = readl_relaxed(ps2if->base + PS2STAT);
while (status & PS2STAT_RXF) {
if (status & PS2STAT_STP)
- sa1111_writel(PS2STAT_STP, ps2if->base + PS2STAT);
+ writel_relaxed(PS2STAT_STP, ps2if->base + PS2STAT);
flag = (status & PS2STAT_STP ? SERIO_FRAME : 0) |
(status & PS2STAT_RXP ? 0 : SERIO_PARITY);
- scancode = sa1111_readl(ps2if->base + PS2DATA) & 0xff;
+ scancode = readl_relaxed(ps2if->base + PS2DATA) & 0xff;
if (hweight8(scancode) & 1)
flag ^= SERIO_PARITY;
serio_interrupt(ps2if->io, scancode, flag);
- status = sa1111_readl(ps2if->base + PS2STAT);
+ status = readl_relaxed(ps2if->base + PS2STAT);
}
return IRQ_HANDLED;
@@ -94,12 +96,12 @@ static irqreturn_t ps2_txint(int irq, void *dev_id)
unsigned int status;
spin_lock(&ps2if->lock);
- status = sa1111_readl(ps2if->base + PS2STAT);
+ status = readl_relaxed(ps2if->base + PS2STAT);
if (ps2if->head == ps2if->tail) {
disable_irq_nosync(irq);
/* done */
} else if (status & PS2STAT_TXE) {
- sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + PS2DATA);
+ writel_relaxed(ps2if->buf[ps2if->tail], ps2if->base + PS2DATA);
ps2if->tail = (ps2if->tail + 1) & (sizeof(ps2if->buf) - 1);
}
spin_unlock(&ps2if->lock);
@@ -122,11 +124,11 @@ static int ps2_write(struct serio *io, unsigned char val)
/*
* If the TX register is empty, we can go straight out.
*/
- if (sa1111_readl(ps2if->base + PS2STAT) & PS2STAT_TXE) {
- sa1111_writel(val, ps2if->base + PS2DATA);
+ if (readl_relaxed(ps2if->base + PS2STAT) & PS2STAT_TXE) {
+ writel_relaxed(val, ps2if->base + PS2DATA);
} else {
if (ps2if->head == ps2if->tail)
- enable_irq(ps2if->dev->irq[1]);
+ enable_irq(ps2if->tx_irq);
head = (ps2if->head + 1) & (sizeof(ps2if->buf) - 1);
if (head != ps2if->tail) {
ps2if->buf[ps2if->head] = val;
@@ -147,30 +149,30 @@ static int ps2_open(struct serio *io)
if (ret)
return ret;
- ret = request_irq(ps2if->dev->irq[0], ps2_rxint, 0,
+ ret = request_irq(ps2if->rx_irq, ps2_rxint, 0,
SA1111_DRIVER_NAME(ps2if->dev), ps2if);
if (ret) {
printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n",
- ps2if->dev->irq[0], ret);
+ ps2if->rx_irq, ret);
sa1111_disable_device(ps2if->dev);
return ret;
}
- ret = request_irq(ps2if->dev->irq[1], ps2_txint, 0,
+ ret = request_irq(ps2if->tx_irq, ps2_txint, 0,
SA1111_DRIVER_NAME(ps2if->dev), ps2if);
if (ret) {
printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n",
- ps2if->dev->irq[1], ret);
- free_irq(ps2if->dev->irq[0], ps2if);
+ ps2if->tx_irq, ret);
+ free_irq(ps2if->rx_irq, ps2if);
sa1111_disable_device(ps2if->dev);
return ret;
}
ps2if->open = 1;
- enable_irq_wake(ps2if->dev->irq[0]);
+ enable_irq_wake(ps2if->rx_irq);
- sa1111_writel(PS2CR_ENA, ps2if->base + PS2CR);
+ writel_relaxed(PS2CR_ENA, ps2if->base + PS2CR);
return 0;
}
@@ -178,14 +180,14 @@ static void ps2_close(struct serio *io)
{
struct ps2if *ps2if = io->port_data;
- sa1111_writel(0, ps2if->base + PS2CR);
+ writel_relaxed(0, ps2if->base + PS2CR);
- disable_irq_wake(ps2if->dev->irq[0]);
+ disable_irq_wake(ps2if->rx_irq);
ps2if->open = 0;
- free_irq(ps2if->dev->irq[1], ps2if);
- free_irq(ps2if->dev->irq[0], ps2if);
+ free_irq(ps2if->tx_irq, ps2if);
+ free_irq(ps2if->rx_irq, ps2if);
sa1111_disable_device(ps2if->dev);
}
@@ -198,7 +200,7 @@ static void ps2_clear_input(struct ps2if *ps2if)
int maxread = 100;
while (maxread--) {
- if ((sa1111_readl(ps2if->base + PS2DATA) & 0xff) == 0xff)
+ if ((readl_relaxed(ps2if->base + PS2DATA) & 0xff) == 0xff)
break;
}
}
@@ -208,11 +210,11 @@ static unsigned int ps2_test_one(struct ps2if *ps2if,
{
unsigned int val;
- sa1111_writel(PS2CR_ENA | mask, ps2if->base + PS2CR);
+ writel_relaxed(PS2CR_ENA | mask, ps2if->base + PS2CR);
- udelay(2);
+ udelay(10);
- val = sa1111_readl(ps2if->base + PS2STAT);
+ val = readl_relaxed(ps2if->base + PS2STAT);
return val & (PS2STAT_KBC | PS2STAT_KBD);
}
@@ -243,7 +245,7 @@ static int ps2_test(struct ps2if *ps2if)
ret = -ENODEV;
}
- sa1111_writel(0, ps2if->base + PS2CR);
+ writel_relaxed(0, ps2if->base + PS2CR);
return ret;
}
@@ -264,7 +266,6 @@ static int ps2_probe(struct sa1111_dev *dev)
goto free;
}
-
serio->id.type = SERIO_8042;
serio->write = ps2_write;
serio->open = ps2_open;
@@ -279,6 +280,18 @@ static int ps2_probe(struct sa1111_dev *dev)
spin_lock_init(&ps2if->lock);
+ ps2if->rx_irq = sa1111_get_irq(dev, 0);
+ if (ps2if->rx_irq <= 0) {
+ ret = ps2if->rx_irq ? : -ENXIO;
+ goto free;
+ }
+
+ ps2if->tx_irq = sa1111_get_irq(dev, 1);
+ if (ps2if->tx_irq <= 0) {
+ ret = ps2if->tx_irq ? : -ENXIO;
+ goto free;
+ }
+
/*
* Request the physical region for this PS2 port.
*/
@@ -297,8 +310,8 @@ static int ps2_probe(struct sa1111_dev *dev)
sa1111_enable_device(ps2if->dev);
/* Incoming clock is 8MHz */
- sa1111_writel(0, ps2if->base + PS2CLKDIV);
- sa1111_writel(127, ps2if->base + PS2PRECNT);
+ writel_relaxed(0, ps2if->base + PS2CLKDIV);
+ writel_relaxed(127, ps2if->base + PS2PRECNT);
/*
* Flush any pending input.
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 64b30fe273fd..16cadc149bbc 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -949,7 +949,7 @@ config TOUCHSCREEN_USB_NEXIO
config TOUCHSCREEN_USB_EASYTOUCH
default y
- bool "EasyTouch USB Touch controller device support" if EMBEDDED
+ bool "EasyTouch USB Touch controller device support" if EXPERT
depends on TOUCHSCREEN_USB_COMPOSITE
help
Say Y here if you have an EasyTouch USB Touch controller.
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index 196028c45210..7d74a0ae2c94 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -524,13 +524,6 @@ static int ad7879_parse_dt(struct device *dev, struct ad7879 *ts)
return 0;
}
-static void ad7879_cleanup_sysfs(void *_ts)
-{
- struct ad7879 *ts = _ts;
-
- sysfs_remove_group(&ts->dev->kobj, &ad7879_attr_group);
-}
-
int ad7879_probe(struct device *dev, struct regmap *regmap,
int irq, u16 bustype, u8 devid)
{
@@ -658,11 +651,7 @@ int ad7879_probe(struct device *dev, struct regmap *regmap,
__ad7879_disable(ts);
- err = sysfs_create_group(&dev->kobj, &ad7879_attr_group);
- if (err)
- return err;
-
- err = devm_add_action_or_reset(dev, ad7879_cleanup_sysfs, ts);
+ err = devm_device_add_group(dev, &ad7879_attr_group);
if (err)
return err;
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 5bf63f76ddda..c53a3d7239e7 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -70,8 +70,10 @@
#define EDT_RAW_DATA_DELAY 1000 /* usec */
enum edt_ver {
- M06,
- M09,
+ EDT_M06,
+ EDT_M09,
+ EDT_M12,
+ GENERIC_FT,
};
struct edt_reg_addr {
@@ -179,14 +181,16 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
int error;
switch (tsdata->version) {
- case M06:
+ case EDT_M06:
cmd = 0xf9; /* tell the controller to send touch data */
offset = 5; /* where the actual touch data starts */
tplen = 4; /* data comes in so called frames */
crclen = 1; /* length of the crc data */
break;
- case M09:
+ case EDT_M09:
+ case EDT_M12:
+ case GENERIC_FT:
cmd = 0x0;
offset = 3;
tplen = 6;
@@ -209,8 +213,8 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
goto out;
}
- /* M09 does not send header or CRC */
- if (tsdata->version == M06) {
+ /* M09/M12 does not send header or CRC */
+ if (tsdata->version == EDT_M06) {
if (rdbuf[0] != 0xaa || rdbuf[1] != 0xaa ||
rdbuf[2] != datalen) {
dev_err_ratelimited(dev,
@@ -233,7 +237,7 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
continue;
/* M06 sometimes sends bogus coordinates in TOUCH_DOWN */
- if (tsdata->version == M06 && type == TOUCH_EVENT_DOWN)
+ if (tsdata->version == EDT_M06 && type == TOUCH_EVENT_DOWN)
continue;
x = ((buf[0] << 8) | buf[1]) & 0x0fff;
@@ -264,14 +268,16 @@ static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,
u8 wrbuf[4];
switch (tsdata->version) {
- case M06:
+ case EDT_M06:
wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc;
wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f;
wrbuf[2] = value;
wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2];
return edt_ft5x06_ts_readwrite(tsdata->client, 4,
wrbuf, 0, NULL);
- case M09:
+ case EDT_M09:
+ case EDT_M12:
+ case GENERIC_FT:
wrbuf[0] = addr;
wrbuf[1] = value;
@@ -290,7 +296,7 @@ static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,
int error;
switch (tsdata->version) {
- case M06:
+ case EDT_M06:
wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc;
wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f;
wrbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40;
@@ -309,7 +315,9 @@ static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,
}
break;
- case M09:
+ case EDT_M09:
+ case EDT_M12:
+ case GENERIC_FT:
wrbuf[0] = addr;
error = edt_ft5x06_ts_readwrite(tsdata->client, 1,
wrbuf, 1, rdbuf);
@@ -368,11 +376,13 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev,
}
switch (tsdata->version) {
- case M06:
+ case EDT_M06:
addr = attr->addr_m06;
break;
- case M09:
+ case EDT_M09:
+ case EDT_M12:
+ case GENERIC_FT:
addr = attr->addr_m09;
break;
@@ -437,11 +447,13 @@ static ssize_t edt_ft5x06_setting_store(struct device *dev,
}
switch (tsdata->version) {
- case M06:
+ case EDT_M06:
addr = attr->addr_m06;
break;
- case M09:
+ case EDT_M09:
+ case EDT_M12:
+ case GENERIC_FT:
addr = attr->addr_m09;
break;
@@ -466,14 +478,18 @@ out:
return error ?: count;
}
+/* m06, m09: range 0-31, m12: range 0-5 */
static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN,
M09_REGISTER_GAIN, 0, 31);
+/* m06, m09: range 0-31, m12: range 0-16 */
static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET,
M09_REGISTER_OFFSET, 0, 31);
+/* m06: range 20 to 80, m09: range 0 to 30, m12: range 1 to 255... */
static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD,
- M09_REGISTER_THRESHOLD, 0, 80);
+ M09_REGISTER_THRESHOLD, 0, 255);
+/* m06: range 3 to 14, m12: (0x64: 100Hz) */
static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE,
- NO_REGISTER, 3, 14);
+ NO_REGISTER, 0, 255);
static struct attribute *edt_ft5x06_attrs[] = {
&edt_ft5x06_attr_gain.dattr.attr,
@@ -508,7 +524,7 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)
}
/* mode register is 0x3c when in the work mode */
- if (tsdata->version == M09)
+ if (tsdata->version != EDT_M06)
goto m09_out;
error = edt_ft5x06_register_write(tsdata, WORK_REGISTER_OPMODE, 0x03);
@@ -545,7 +561,7 @@ err_out:
return error;
m09_out:
- dev_err(&client->dev, "No factory mode support for M09\n");
+ dev_err(&client->dev, "No factory mode support for M09/M12/GENERIC_FT\n");
return -EINVAL;
}
@@ -770,16 +786,17 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
* to have garbage in there
*/
memset(rdbuf, 0, sizeof(rdbuf));
- error = edt_ft5x06_ts_readwrite(client, 1, "\xbb",
+ error = edt_ft5x06_ts_readwrite(client, 1, "\xBB",
EDT_NAME_LEN - 1, rdbuf);
if (error)
return error;
- /* if we find something consistent, stay with that assumption
- * at least M09 won't send 3 bytes here
+ /* Probe content for something consistent.
+ * M06 starts with a response byte, M12 gives the data directly.
+ * M09/Generic does not provide model number information.
*/
- if (!(strncasecmp(rdbuf + 1, "EP0", 3))) {
- tsdata->version = M06;
+ if (!strncasecmp(rdbuf + 1, "EP0", 3)) {
+ tsdata->version = EDT_M06;
/* remove last '$' end marker */
rdbuf[EDT_NAME_LEN - 1] = '\0';
@@ -792,9 +809,31 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
*p++ = '\0';
strlcpy(model_name, rdbuf + 1, EDT_NAME_LEN);
strlcpy(fw_version, p ? p : "", EDT_NAME_LEN);
+ } else if (!strncasecmp(rdbuf, "EP0", 3)) {
+ tsdata->version = EDT_M12;
+
+ /* remove last '$' end marker */
+ rdbuf[EDT_NAME_LEN - 2] = '\0';
+ if (rdbuf[EDT_NAME_LEN - 3] == '$')
+ rdbuf[EDT_NAME_LEN - 3] = '\0';
+
+ /* look for Model/Version separator */
+ p = strchr(rdbuf, '*');
+ if (p)
+ *p++ = '\0';
+ strlcpy(model_name, rdbuf, EDT_NAME_LEN);
+ strlcpy(fw_version, p ? p : "", EDT_NAME_LEN);
} else {
- /* since there are only two versions around (M06, M09) */
- tsdata->version = M09;
+ /* If it is not an EDT M06/M12 touchscreen, then the model
+ * detection is a bit hairy. The different ft5x06
+ * firmares around don't reliably implement the
+ * identification registers. Well, we'll take a shot.
+ *
+ * The main difference between generic focaltec based
+ * touches and EDT M09 is that we know how to retrieve
+ * the max coordinates for the latter.
+ */
+ tsdata->version = GENERIC_FT;
error = edt_ft5x06_ts_readwrite(client, 1, "\xA6",
2, rdbuf);
@@ -808,8 +847,34 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
if (error)
return error;
- snprintf(model_name, EDT_NAME_LEN, "EP0%i%i0M09",
- rdbuf[0] >> 4, rdbuf[0] & 0x0F);
+ /* This "model identification" is not exact. Unfortunately
+ * not all firmwares for the ft5x06 put useful values in
+ * the identification registers.
+ */
+ switch (rdbuf[0]) {
+ case 0x35: /* EDT EP0350M09 */
+ case 0x43: /* EDT EP0430M09 */
+ case 0x50: /* EDT EP0500M09 */
+ case 0x57: /* EDT EP0570M09 */
+ case 0x70: /* EDT EP0700M09 */
+ tsdata->version = EDT_M09;
+ snprintf(model_name, EDT_NAME_LEN, "EP0%i%i0M09",
+ rdbuf[0] >> 4, rdbuf[0] & 0x0F);
+ break;
+ case 0xa1: /* EDT EP1010ML00 */
+ tsdata->version = EDT_M09;
+ snprintf(model_name, EDT_NAME_LEN, "EP%i%i0ML00",
+ rdbuf[0] >> 4, rdbuf[0] & 0x0F);
+ break;
+ case 0x5a: /* Solomon Goldentek Display */
+ snprintf(model_name, EDT_NAME_LEN, "GKTW50SCED1R0");
+ break;
+ default:
+ snprintf(model_name, EDT_NAME_LEN,
+ "generic ft5x06 (%02x)",
+ rdbuf[0]);
+ break;
+ }
}
return 0;
@@ -853,8 +918,17 @@ edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)
if (reg_addr->reg_report_rate != NO_REGISTER)
tsdata->report_rate = edt_ft5x06_register_read(tsdata,
reg_addr->reg_report_rate);
- tsdata->num_x = edt_ft5x06_register_read(tsdata, reg_addr->reg_num_x);
- tsdata->num_y = edt_ft5x06_register_read(tsdata, reg_addr->reg_num_y);
+ if (tsdata->version == EDT_M06 ||
+ tsdata->version == EDT_M09 ||
+ tsdata->version == EDT_M12) {
+ tsdata->num_x = edt_ft5x06_register_read(tsdata,
+ reg_addr->reg_num_x);
+ tsdata->num_y = edt_ft5x06_register_read(tsdata,
+ reg_addr->reg_num_y);
+ } else {
+ tsdata->num_x = -1;
+ tsdata->num_y = -1;
+ }
}
static void
@@ -863,7 +937,7 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
struct edt_reg_addr *reg_addr = &tsdata->reg_addr;
switch (tsdata->version) {
- case M06:
+ case EDT_M06:
reg_addr->reg_threshold = WORK_REGISTER_THRESHOLD;
reg_addr->reg_report_rate = WORK_REGISTER_REPORT_RATE;
reg_addr->reg_gain = WORK_REGISTER_GAIN;
@@ -872,7 +946,8 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
reg_addr->reg_num_y = WORK_REGISTER_NUM_Y;
break;
- case M09:
+ case EDT_M09:
+ case EDT_M12:
reg_addr->reg_threshold = M09_REGISTER_THRESHOLD;
reg_addr->reg_report_rate = NO_REGISTER;
reg_addr->reg_gain = M09_REGISTER_GAIN;
@@ -880,6 +955,13 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
reg_addr->reg_num_x = M09_REGISTER_NUM_X;
reg_addr->reg_num_y = M09_REGISTER_NUM_Y;
break;
+
+ case GENERIC_FT:
+ /* this is a guesswork */
+ reg_addr->reg_threshold = M09_REGISTER_THRESHOLD;
+ reg_addr->reg_gain = M09_REGISTER_GAIN;
+ reg_addr->reg_offset = M09_REGISTER_OFFSET;
+ break;
}
}
@@ -969,10 +1051,20 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
input->id.bustype = BUS_I2C;
input->dev.parent = &client->dev;
- input_set_abs_params(input, ABS_MT_POSITION_X,
- 0, tsdata->num_x * 64 - 1, 0, 0);
- input_set_abs_params(input, ABS_MT_POSITION_Y,
- 0, tsdata->num_y * 64 - 1, 0, 0);
+ if (tsdata->version == EDT_M06 ||
+ tsdata->version == EDT_M09 ||
+ tsdata->version == EDT_M12) {
+ input_set_abs_params(input, ABS_MT_POSITION_X,
+ 0, tsdata->num_x * 64 - 1, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y,
+ 0, tsdata->num_y * 64 - 1, 0, 0);
+ } else {
+ /* Unknown maximum values. Specify via devicetree */
+ input_set_abs_params(input, ABS_MT_POSITION_X,
+ 0, 65535, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y,
+ 0, 65535, 0, 0);
+ }
touchscreen_parse_properties(input, true, &tsdata->prop);
@@ -998,13 +1090,13 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
return error;
}
- error = sysfs_create_group(&client->dev.kobj, &edt_ft5x06_attr_group);
+ error = devm_device_add_group(&client->dev, &edt_ft5x06_attr_group);
if (error)
return error;
error = input_register_device(input);
if (error)
- goto err_remove_attrs;
+ return error;
edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev));
device_init_wakeup(&client->dev, 1);
@@ -1016,10 +1108,6 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
tsdata->reset_gpio ? desc_to_gpio(tsdata->reset_gpio) : -1);
return 0;
-
-err_remove_attrs:
- sysfs_remove_group(&client->dev.kobj, &edt_ft5x06_attr_group);
- return error;
}
static int edt_ft5x06_ts_remove(struct i2c_client *client)
@@ -1027,7 +1115,6 @@ static int edt_ft5x06_ts_remove(struct i2c_client *client)
struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
edt_ft5x06_ts_teardown_debugfs(tsdata);
- sysfs_remove_group(&client->dev.kobj, &edt_ft5x06_attr_group);
return 0;
}
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 0f4cda7282a2..e102d7764bc2 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1070,13 +1070,6 @@ static const struct attribute_group elants_attribute_group = {
.attrs = elants_attributes,
};
-static void elants_i2c_remove_sysfs_group(void *_data)
-{
- struct elants_data *ts = _data;
-
- sysfs_remove_group(&ts->client->dev.kobj, &elants_attribute_group);
-}
-
static int elants_i2c_power_on(struct elants_data *ts)
{
int error;
@@ -1289,23 +1282,13 @@ static int elants_i2c_probe(struct i2c_client *client,
if (!client->dev.of_node)
device_init_wakeup(&client->dev, true);
- error = sysfs_create_group(&client->dev.kobj, &elants_attribute_group);
+ error = devm_device_add_group(&client->dev, &elants_attribute_group);
if (error) {
dev_err(&client->dev, "failed to create sysfs attributes: %d\n",
error);
return error;
}
- error = devm_add_action(&client->dev,
- elants_i2c_remove_sysfs_group, ts);
- if (error) {
- elants_i2c_remove_sysfs_group(ts);
- dev_err(&client->dev,
- "Failed to add sysfs cleanup action: %d\n",
- error);
- return error;
- }
-
return 0;
}
diff --git a/drivers/input/touchscreen/melfas_mip4.c b/drivers/input/touchscreen/melfas_mip4.c
index 05108c2fea93..6892f0e28918 100644
--- a/drivers/input/touchscreen/melfas_mip4.c
+++ b/drivers/input/touchscreen/melfas_mip4.c
@@ -1433,13 +1433,6 @@ static const struct attribute_group mip4_attr_group = {
.attrs = mip4_attrs,
};
-static void mip4_sysfs_remove(void *_data)
-{
- struct mip4_ts *ts = _data;
-
- sysfs_remove_group(&ts->client->dev.kobj, &mip4_attr_group);
-}
-
static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct mip4_ts *ts;
@@ -1535,21 +1528,13 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
return error;
}
- error = sysfs_create_group(&client->dev.kobj, &mip4_attr_group);
+ error = devm_device_add_group(&client->dev, &mip4_attr_group);
if (error) {
dev_err(&client->dev,
"Failed to create sysfs attribute group: %d\n", error);
return error;
}
- error = devm_add_action(&client->dev, mip4_sysfs_remove, ts);
- if (error) {
- mip4_sysfs_remove(ts);
- dev_err(&client->dev,
- "Failed to install sysfs remoce action: %d\n", error);
- return error;
- }
-
return 0;
}
diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index 4f1d3fd5d412..100538d64fff 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -943,13 +943,6 @@ static const struct attribute_group raydium_i2c_attribute_group = {
.attrs = raydium_i2c_attributes,
};
-static void raydium_i2c_remove_sysfs_group(void *_data)
-{
- struct raydium_data *ts = _data;
-
- sysfs_remove_group(&ts->client->dev.kobj, &raydium_i2c_attribute_group);
-}
-
static int raydium_i2c_power_on(struct raydium_data *ts)
{
int error;
@@ -1120,7 +1113,7 @@ static int raydium_i2c_probe(struct i2c_client *client,
return error;
}
- error = sysfs_create_group(&client->dev.kobj,
+ error = devm_device_add_group(&client->dev,
&raydium_i2c_attribute_group);
if (error) {
dev_err(&client->dev, "failed to create sysfs attributes: %d\n",
@@ -1128,15 +1121,6 @@ static int raydium_i2c_probe(struct i2c_client *client,
return error;
}
- error = devm_add_action(&client->dev,
- raydium_i2c_remove_sysfs_group, ts);
- if (error) {
- raydium_i2c_remove_sysfs_group(ts);
- dev_err(&client->dev,
- "Failed to add sysfs cleanup action: %d\n", error);
- return error;
- }
-
return 0;
}
diff --git a/drivers/input/touchscreen/rohm_bu21023.c b/drivers/input/touchscreen/rohm_bu21023.c
index eeaf6ff03597..bda0500c9b57 100644
--- a/drivers/input/touchscreen/rohm_bu21023.c
+++ b/drivers/input/touchscreen/rohm_bu21023.c
@@ -1103,13 +1103,6 @@ static void rohm_ts_close(struct input_dev *input_dev)
ts->initialized = false;
}
-static void rohm_ts_remove_sysfs_group(void *_dev)
-{
- struct device *dev = _dev;
-
- sysfs_remove_group(&dev->kobj, &rohm_ts_attr_group);
-}
-
static int rohm_bu21023_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -1180,20 +1173,12 @@ static int rohm_bu21023_i2c_probe(struct i2c_client *client,
return error;
}
- error = sysfs_create_group(&dev->kobj, &rohm_ts_attr_group);
+ error = devm_device_add_group(dev, &rohm_ts_attr_group);
if (error) {
dev_err(dev, "failed to create sysfs group: %d\n", error);
return error;
}
- error = devm_add_action(dev, rohm_ts_remove_sysfs_group, dev);
- if (error) {
- rohm_ts_remove_sysfs_group(dev);
- dev_err(dev, "Failed to add sysfs cleanup action: %d\n",
- error);
- return error;
- }
-
return error;
}
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c
index 8c6c6178ec12..c12d01899939 100644
--- a/drivers/input/touchscreen/stmfts.c
+++ b/drivers/input/touchscreen/stmfts.c
@@ -725,8 +725,7 @@ static int stmfts_probe(struct i2c_client *client,
}
}
- err = sysfs_create_group(&sdata->client->dev.kobj,
- &stmfts_attribute_group);
+ err = devm_device_add_group(&client->dev, &stmfts_attribute_group);
if (err)
return err;
@@ -738,7 +737,6 @@ static int stmfts_probe(struct i2c_client *client,
static int stmfts_remove(struct i2c_client *client)
{
pm_runtime_disable(&client->dev);
- sysfs_remove_group(&client->dev.kobj, &stmfts_attribute_group);
return 0;
}
diff --git a/drivers/input/touchscreen/wdt87xx_i2c.c b/drivers/input/touchscreen/wdt87xx_i2c.c
index a9132603ab34..d351efd18f89 100644
--- a/drivers/input/touchscreen/wdt87xx_i2c.c
+++ b/drivers/input/touchscreen/wdt87xx_i2c.c
@@ -1106,7 +1106,7 @@ static int wdt87xx_ts_probe(struct i2c_client *client,
return error;
}
- error = sysfs_create_group(&client->dev.kobj, &wdt87xx_attr_group);
+ error = devm_device_add_group(&client->dev, &wdt87xx_attr_group);
if (error) {
dev_err(&client->dev, "create sysfs failed: %d\n", error);
return error;
@@ -1115,13 +1115,6 @@ static int wdt87xx_ts_probe(struct i2c_client *client,
return 0;
}
-static int wdt87xx_ts_remove(struct i2c_client *client)
-{
- sysfs_remove_group(&client->dev.kobj, &wdt87xx_attr_group);
-
- return 0;
-}
-
static int __maybe_unused wdt87xx_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@@ -1179,7 +1172,6 @@ MODULE_DEVICE_TABLE(acpi, wdt87xx_acpi_id);
static struct i2c_driver wdt87xx_driver = {
.probe = wdt87xx_ts_probe,
- .remove = wdt87xx_ts_remove,
.id_table = wdt87xx_dev_id,
.driver = {
.name = WDT87XX_NAME,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.