Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"A big update to the Atmel touchscreen driver, devm support for polled
input devices, several drivers have been converted to using managed
resources, and assorted driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (87 commits)
Input: synaptics - fix resolution for manually provided min/max
Input: atmel_mxt_ts - fix invalid return from mxt_get_bootloader_version
Input: max8997_haptic - add error handling for regulator and pwm
Input: elantech - don't set bit 1 of reg_10 when the no_hw_res quirk is set
Input: elantech - deal with clickpads reporting right button events
Input: edt-ft5x06 - fix an i2c write for M09 support
Input: omap-keypad - remove platform data support
ARM: OMAP2+: remove unused omap4-keypad file and code
Input: ab8500-ponkey - switch to using managed resources
Input: max8925_onkey - switch to using managed resources
Input: 88pm860x-ts - switch to using managed resources
Input: 88pm860x_onkey - switch to using managed resources
Input: intel-mid-touch - switch to using managed resources
Input: wacom - process outbound for newer Cintiqs
Input: wacom - set stylus_in_proximity when pen is in range
DTS: ARM: OMAP3-N900: Add tsc2005 support
Input: tsc2005 - add DT support
Input: add common DT binding for touchscreens
Input: jornada680_kbd - switch top using managed resources
Input: adp5520-keys - switch to using managed resources
...
diff --git a/Documentation/devicetree/bindings/gpio/gpio_keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
similarity index 100%
rename from Documentation/devicetree/bindings/gpio/gpio_keys.txt
rename to Documentation/devicetree/bindings/input/gpio-keys.txt
diff --git a/Documentation/devicetree/bindings/input/st-keyscan.txt b/Documentation/devicetree/bindings/input/st-keyscan.txt
new file mode 100644
index 0000000..51eb428
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/st-keyscan.txt
@@ -0,0 +1,60 @@
+* ST Keyscan controller Device Tree bindings
+
+The ST keyscan controller Device Tree binding is based on the
+matrix-keymap.
+
+Required properties:
+- compatible: "st,sti-keyscan"
+
+- reg: Register base address and size of st-keyscan controller.
+
+- interrupts: Interrupt number for the st-keyscan controller.
+
+- clocks: Must contain one entry, for the module clock.
+ See ../clocks/clock-bindings.txt for details.
+
+- pinctrl: Should specify pin control groups used for this controller.
+ See ../pinctrl/pinctrl-bindings.txt for details.
+
+- linux,keymap: The keymap for keys as described in the binding document
+ devicetree/bindings/input/matrix-keymap.txt.
+
+- keypad,num-rows: Number of row lines connected to the keypad controller.
+
+- keypad,num-columns: Number of column lines connected to the keypad
+ controller.
+
+Optional property:
+- st,debounce_us: Debouncing interval time in microseconds
+
+Example:
+
+keyscan: keyscan@fe4b0000 {
+ compatible = "st,sti-keyscan";
+ reg = <0xfe4b0000 0x2000>;
+ interrupts = <GIC_SPI 212 IRQ_TYPE_NONE>;
+ clocks = <&CLK_SYSIN>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_keyscan>;
+
+ keypad,num-rows = <4>;
+ keypad,num-columns = <4>;
+ st,debounce_us = <5000>;
+
+ linux,keymap = < MATRIX_KEY(0x00, 0x00, KEY_F13)
+ MATRIX_KEY(0x00, 0x01, KEY_F9)
+ MATRIX_KEY(0x00, 0x02, KEY_F5)
+ MATRIX_KEY(0x00, 0x03, KEY_F1)
+ MATRIX_KEY(0x01, 0x00, KEY_F14)
+ MATRIX_KEY(0x01, 0x01, KEY_F10)
+ MATRIX_KEY(0x01, 0x02, KEY_F6)
+ MATRIX_KEY(0x01, 0x03, KEY_F2)
+ MATRIX_KEY(0x02, 0x00, KEY_F15)
+ MATRIX_KEY(0x02, 0x01, KEY_F11)
+ MATRIX_KEY(0x02, 0x02, KEY_F7)
+ MATRIX_KEY(0x02, 0x03, KEY_F3)
+ MATRIX_KEY(0x03, 0x00, KEY_F16)
+ MATRIX_KEY(0x03, 0x01, KEY_F12)
+ MATRIX_KEY(0x03, 0x02, KEY_F8)
+ MATRIX_KEY(0x03, 0x03, KEY_F4) >;
+ };
diff --git a/Documentation/devicetree/bindings/input/touchscreen/sun4i.txt b/Documentation/devicetree/bindings/input/touchscreen/sun4i.txt
new file mode 100644
index 0000000..aef5779
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/sun4i.txt
@@ -0,0 +1,20 @@
+sun4i resistive touchscreen controller
+--------------------------------------
+
+Required properties:
+ - compatible: "allwinner,sun4i-a10-ts"
+ - reg: mmio address range of the chip
+ - interrupts: interrupt to which the chip is connected
+
+Optional properties:
+ - allwinner,ts-attached: boolean indicating that an actual touchscreen is
+ attached to the controller
+
+Example:
+
+ rtp: rtp@01c25000 {
+ compatible = "allwinner,sun4i-a10-ts";
+ reg = <0x01c25000 0x100>;
+ interrupts = <29>;
+ allwinner,ts-attached;
+ };
diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
new file mode 100644
index 0000000..d8e0616
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
@@ -0,0 +1,27 @@
+General Touchscreen Properties:
+
+Optional properties for Touchscreens:
+ - touchscreen-size-x : horizontal resolution of touchscreen
+ (in pixels)
+ - touchscreen-size-y : vertical resolution of touchscreen
+ (in pixels)
+ - touchscreen-max-pressure : maximum reported pressure (arbitrary range
+ dependent on the controller)
+ - touchscreen-fuzz-x : horizontal noise value of the absolute input
+ device (in pixels)
+ - touchscreen-fuzz-y : vertical noise value of the absolute input
+ device (in pixels)
+ - touchscreen-fuzz-pressure : pressure noise value of the absolute input
+ device (arbitrary range dependent on the
+ controller)
+ - touchscreen-inverted-x : X axis is inverted (boolean)
+ - touchscreen-inverted-y : Y axis is inverted (boolean)
+
+Deprecated properties for Touchscreens:
+ - x-size : deprecated name for touchscreen-size-x
+ - y-size : deprecated name for touchscreen-size-y
+ - moving-threshold : deprecated name for a combination of
+ touchscreen-fuzz-x and touchscreen-fuzz-y
+ - contact-threshold : deprecated name for touchscreen-fuzz-pressure
+ - x-invert : deprecated name for touchscreen-inverted-x
+ - y-invert : deprecated name for touchscreen-inverted-y
diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
new file mode 100644
index 0000000..4b641c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
@@ -0,0 +1,42 @@
+* Texas Instruments tsc2005 touchscreen controller
+
+Required properties:
+ - compatible : "ti,tsc2005"
+ - reg : SPI device address
+ - spi-max-frequency : Maximal SPI speed
+ - interrupts : IRQ specifier
+ - reset-gpios : GPIO specifier
+ - vio-supply : Regulator specifier
+
+Optional properties:
+ - ti,x-plate-ohms : integer, resistance of the touchscreen's X plates
+ in ohm (defaults to 280)
+ - ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond after
+ the configured time (in milli seconds), the driver
+ will reset it. This is disabled by default.
+ - properties defined in touchscreen.txt
+
+Example:
+
+&mcspi1 {
+ tsc2005@0 {
+ compatible = "ti,tsc2005";
+ spi-max-frequency = <6000000>;
+ reg = <0>;
+
+ vio-supply = <&vio>;
+
+ reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */
+ interrupts-extended = <&gpio4 4 IRQ_TYPE_EDGE_RISING>; /* 100 */
+
+ touchscreen-fuzz-x = <4>;
+ touchscreen-fuzz-y = <7>;
+ touchscreen-fuzz-pressure = <2>;
+ touchscreen-max-x = <4096>;
+ touchscreen-max-y = <4096>;
+ touchscreen-max-pressure = <2048>;
+
+ ti,x-plate-ohms = <280>;
+ ti,esd-recovery-timeout-ms = <8000>;
+ };
+}
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 059a8ff..ae8ae3f 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -651,9 +651,24 @@
* Also... order in the device tree actually matters here.
*/
tsc2005@0 {
- compatible = "tsc2005";
+ compatible = "ti,tsc2005";
spi-max-frequency = <6000000>;
reg = <0>;
+
+ vio-supply = <&vio>;
+
+ reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */
+ interrupts-extended = <&gpio4 4 IRQ_TYPE_EDGE_RISING>; /* 100 */
+
+ touchscreen-fuzz-x = <4>;
+ touchscreen-fuzz-y = <7>;
+ touchscreen-fuzz-pressure = <2>;
+ touchscreen-max-x = <4096>;
+ touchscreen-max-y = <4096>;
+ touchscreen-max-pressure = <2048>;
+
+ ti,x-plate-ohms = <280>;
+ ti,esd-recovery-timeout-ms = <8000>;
};
acx565akm@2 {
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index e58609b..592ba0a 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -18,7 +18,6 @@
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/pinctrl/machine.h>
-#include <linux/platform_data/omap4-keypad.h>
#include <linux/platform_data/mailbox-omap.h>
#include <asm/mach-types.h>
@@ -29,7 +28,6 @@
#include "iomap.h"
#include "omap_hwmod.h"
#include "omap_device.h"
-#include "omap4-keypad.h"
#include "soc.h"
#include "common.h"
@@ -255,37 +253,6 @@
#endif
}
-int __init omap4_keyboard_init(struct omap4_keypad_platform_data
- *sdp4430_keypad_data, struct omap_board_data *bdata)
-{
- struct platform_device *pdev;
- struct omap_hwmod *oh;
- struct omap4_keypad_platform_data *keypad_data;
- unsigned int id = -1;
- char *oh_name = "kbd";
- char *name = "omap4-keypad";
-
- oh = omap_hwmod_lookup(oh_name);
- if (!oh) {
- pr_err("Could not look up %s\n", oh_name);
- return -ENODEV;
- }
-
- keypad_data = sdp4430_keypad_data;
-
- pdev = omap_device_build(name, id, oh, keypad_data,
- sizeof(struct omap4_keypad_platform_data));
-
- if (IS_ERR(pdev)) {
- WARN(1, "Can't build omap_device for %s:%s.\n",
- name, oh->name);
- return PTR_ERR(pdev);
- }
- oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
-
- return 0;
-}
-
#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
static inline void __init omap_init_mbox(void)
{
diff --git a/arch/arm/mach-omap2/omap4-keypad.h b/arch/arm/mach-omap2/omap4-keypad.h
deleted file mode 100644
index 20de0d5..0000000
--- a/arch/arm/mach-omap2/omap4-keypad.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef ARCH_ARM_PLAT_OMAP4_KEYPAD_H
-#define ARCH_ARM_PLAT_OMAP4_KEYPAD_H
-
-struct omap_board_data;
-
-extern int omap4_keyboard_init(struct omap4_keypad_platform_data *,
- struct omap_board_data *);
-#endif
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 6c719ec..c1ce921 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -234,14 +234,6 @@
/* TSP */
static struct mxt_platform_data qt602240_platform_data = {
- .x_line = 17,
- .y_line = 11,
- .x_size = 800,
- .y_size = 480,
- .blen = 0x21,
- .threshold = 0x28,
- .voltage = 2800000, /* 2.8V */
- .orient = MXT_DIAGONAL,
.irqflags = IRQF_TRIGGER_FALLING,
};
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index ce953d8..fd325ec 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -629,12 +629,10 @@
return copy_to_user(p, str, len) ? -EFAULT : len;
}
-#define OLD_KEY_MAX 0x1ff
static int handle_eviocgbit(struct input_dev *dev,
unsigned int type, unsigned int size,
void __user *p, int compat_mode)
{
- static unsigned long keymax_warn_time;
unsigned long *bits;
int len;
@@ -652,24 +650,8 @@
default: return -EINVAL;
}
- /*
- * Work around bugs in userspace programs that like to do
- * EVIOCGBIT(EV_KEY, KEY_MAX) and not realize that 'len'
- * should be in bytes, not in bits.
- */
- if (type == EV_KEY && size == OLD_KEY_MAX) {
- len = OLD_KEY_MAX;
- if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000))
- pr_warning("(EVIOCGBIT): Suspicious buffer size %u, "
- "limiting output to %zu bytes. See "
- "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n",
- OLD_KEY_MAX,
- BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long));
- }
-
return bits_to_user(bits, len, size, p, compat_mode);
}
-#undef OLD_KEY_MAX
static int evdev_handle_get_keycode(struct input_dev *dev, void __user *p)
{
diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
index 7f161d9..3664f81 100644
--- a/drivers/input/input-polldev.c
+++ b/drivers/input/input-polldev.c
@@ -147,6 +147,11 @@
.attrs = sysfs_attrs
};
+static const struct attribute_group *input_polldev_attribute_groups[] = {
+ &input_polldev_attribute_group,
+ NULL
+};
+
/**
* input_allocate_polled_device - allocate memory for polled device
*
@@ -171,6 +176,91 @@
}
EXPORT_SYMBOL(input_allocate_polled_device);
+struct input_polled_devres {
+ struct input_polled_dev *polldev;
+};
+
+static int devm_input_polldev_match(struct device *dev, void *res, void *data)
+{
+ struct input_polled_devres *devres = res;
+
+ return devres->polldev == data;
+}
+
+static void devm_input_polldev_release(struct device *dev, void *res)
+{
+ struct input_polled_devres *devres = res;
+ struct input_polled_dev *polldev = devres->polldev;
+
+ dev_dbg(dev, "%s: dropping reference/freeing %s\n",
+ __func__, dev_name(&polldev->input->dev));
+
+ input_put_device(polldev->input);
+ kfree(polldev);
+}
+
+static void devm_input_polldev_unregister(struct device *dev, void *res)
+{
+ struct input_polled_devres *devres = res;
+ struct input_polled_dev *polldev = devres->polldev;
+
+ dev_dbg(dev, "%s: unregistering device %s\n",
+ __func__, dev_name(&polldev->input->dev));
+ input_unregister_device(polldev->input);
+
+ /*
+ * Note that we are still holding extra reference to the input
+ * device so it will stick around until devm_input_polldev_release()
+ * is called.
+ */
+}
+
+/**
+ * devm_input_allocate_polled_device - allocate managed polled device
+ * @dev: device owning the polled device being created
+ *
+ * Returns prepared &struct input_polled_dev or %NULL.
+ *
+ * Managed polled input devices do not need to be explicitly unregistered
+ * or freed as it will be done automatically when owner device unbinds
+ * from * its driver (or binding fails). Once such managed polled device
+ * is allocated, it is ready to be set up and registered in the same
+ * fashion as regular polled input devices (using
+ * input_register_polled_device() function).
+ *
+ * If you want to manually unregister and free such managed polled devices,
+ * it can be still done by calling input_unregister_polled_device() and
+ * input_free_polled_device(), although it is rarely needed.
+ *
+ * NOTE: the owner device is set up as parent of input device and users
+ * should not override it.
+ */
+struct input_polled_dev *devm_input_allocate_polled_device(struct device *dev)
+{
+ struct input_polled_dev *polldev;
+ struct input_polled_devres *devres;
+
+ devres = devres_alloc(devm_input_polldev_release, sizeof(*devres),
+ GFP_KERNEL);
+ if (!devres)
+ return NULL;
+
+ polldev = input_allocate_polled_device();
+ if (!polldev) {
+ devres_free(devres);
+ return NULL;
+ }
+
+ polldev->input->dev.parent = dev;
+ polldev->devres_managed = true;
+
+ devres->polldev = polldev;
+ devres_add(dev, devres);
+
+ return polldev;
+}
+EXPORT_SYMBOL(devm_input_allocate_polled_device);
+
/**
* input_free_polled_device - free memory allocated for polled device
* @dev: device to free
@@ -181,7 +271,12 @@
void input_free_polled_device(struct input_polled_dev *dev)
{
if (dev) {
- input_free_device(dev->input);
+ if (dev->devres_managed)
+ WARN_ON(devres_destroy(dev->input->dev.parent,
+ devm_input_polldev_release,
+ devm_input_polldev_match,
+ dev));
+ input_put_device(dev->input);
kfree(dev);
}
}
@@ -199,26 +294,35 @@
*/
int input_register_polled_device(struct input_polled_dev *dev)
{
+ struct input_polled_devres *devres = NULL;
struct input_dev *input = dev->input;
int error;
+ if (dev->devres_managed) {
+ devres = devres_alloc(devm_input_polldev_unregister,
+ sizeof(*devres), GFP_KERNEL);
+ if (!devres)
+ return -ENOMEM;
+
+ devres->polldev = dev;
+ }
+
input_set_drvdata(input, dev);
INIT_DELAYED_WORK(&dev->work, input_polled_device_work);
+
if (!dev->poll_interval)
dev->poll_interval = 500;
if (!dev->poll_interval_max)
dev->poll_interval_max = dev->poll_interval;
+
input->open = input_open_polled_device;
input->close = input_close_polled_device;
- error = input_register_device(input);
- if (error)
- return error;
+ input->dev.groups = input_polldev_attribute_groups;
- error = sysfs_create_group(&input->dev.kobj,
- &input_polldev_attribute_group);
+ error = input_register_device(input);
if (error) {
- input_unregister_device(input);
+ devres_free(devres);
return error;
}
@@ -231,6 +335,12 @@
*/
input_get_device(input);
+ if (dev->devres_managed) {
+ dev_dbg(input->dev.parent, "%s: registering %s with devres.\n",
+ __func__, dev_name(&input->dev));
+ devres_add(input->dev.parent, devres);
+ }
+
return 0;
}
EXPORT_SYMBOL(input_register_polled_device);
@@ -245,8 +355,11 @@
*/
void input_unregister_polled_device(struct input_polled_dev *dev)
{
- sysfs_remove_group(&dev->input->dev.kobj,
- &input_polldev_attribute_group);
+ if (dev->devres_managed)
+ WARN_ON(devres_destroy(dev->input->dev.parent,
+ devm_input_polldev_unregister,
+ devm_input_polldev_match,
+ dev));
input_unregister_device(dev->input);
}
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index ffc7ad3..f7e79b4 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -524,6 +524,17 @@
To compile this driver as a module, choose M here: the
module will be called stowaway.
+config KEYBOARD_ST_KEYSCAN
+ tristate "STMicroelectronics keyscan support"
+ depends on ARCH_STI || COMPILE_TEST
+ select INPUT_MATRIXKMAP
+ help
+ Say Y here if you want to use a keypad attached to the keyscan block
+ on some STMicroelectronics SoC devices.
+
+ To compile this driver as a module, choose M here: the
+ module will be called st-keyscan.
+
config KEYBOARD_SUNKBD
tristate "Sun Type 4 and Type 5 keyboard"
select SERIO
@@ -578,7 +589,7 @@
config KEYBOARD_OMAP4
tristate "TI OMAP4+ keypad support"
- depends on ARCH_OMAP2PLUS
+ depends on OF || ARCH_OMAP2PLUS
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the OMAP4+ keypad.
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 11cff7b..7504ae1 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -51,6 +51,7 @@
obj-$(CONFIG_KEYBOARD_SPEAR) += spear-keyboard.o
obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o
obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
+obj-$(CONFIG_KEYBOARD_ST_KEYSCAN) += st-keyscan.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o
diff --git a/drivers/input/keyboard/adp5520-keys.c b/drivers/input/keyboard/adp5520-keys.c
index 4cc14c2..7f4a8b5 100644
--- a/drivers/input/keyboard/adp5520-keys.c
+++ b/drivers/input/keyboard/adp5520-keys.c
@@ -12,6 +12,7 @@
#include <linux/input.h>
#include <linux/mfd/adp5520.h>
#include <linux/slab.h>
+#include <linux/device.h>
struct adp5520_keys {
struct input_dev *input;
@@ -81,7 +82,7 @@
return -EINVAL;
}
- if (pdata == NULL) {
+ if (!pdata) {
dev_err(&pdev->dev, "missing platform data\n");
return -EINVAL;
}
@@ -89,17 +90,15 @@
if (!(pdata->rows_en_mask && pdata->cols_en_mask))
return -EINVAL;
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL) {
+ dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+ if (!dev) {
dev_err(&pdev->dev, "failed to alloc memory\n");
return -ENOMEM;
}
- input = input_allocate_device();
- if (!input) {
- ret = -ENOMEM;
- goto err;
- }
+ input = devm_input_allocate_device(&pdev->dev);
+ if (!input)
+ return -ENOMEM;
dev->master = pdev->dev.parent;
dev->input = input;
@@ -135,7 +134,7 @@
ret = input_register_device(input);
if (ret) {
dev_err(&pdev->dev, "unable to register input device\n");
- goto err;
+ return ret;
}
en_mask = pdata->rows_en_mask | pdata->cols_en_mask;
@@ -157,8 +156,7 @@
if (ret) {
dev_err(&pdev->dev, "failed to write\n");
- ret = -EIO;
- goto err1;
+ return -EIO;
}
dev->notifier.notifier_call = adp5520_keys_notifier;
@@ -166,19 +164,11 @@
ADP5520_KP_IEN | ADP5520_KR_IEN);
if (ret) {
dev_err(&pdev->dev, "failed to register notifier\n");
- goto err1;
+ return ret;
}
platform_set_drvdata(pdev, dev);
return 0;
-
-err1:
- input_unregister_device(input);
- input = NULL;
-err:
- input_free_device(input);
- kfree(dev);
- return ret;
}
static int adp5520_keys_remove(struct platform_device *pdev)
@@ -188,8 +178,6 @@
adp5520_unregister_notifier(dev->master, &dev->notifier,
ADP5520_KP_IEN | ADP5520_KR_IEN);
- input_unregister_device(dev->input);
- kfree(dev);
return 0;
}
diff --git a/drivers/input/keyboard/clps711x-keypad.c b/drivers/input/keyboard/clps711x-keypad.c
index 3955aec..552b65c 100644
--- a/drivers/input/keyboard/clps711x-keypad.c
+++ b/drivers/input/keyboard/clps711x-keypad.c
@@ -185,7 +185,7 @@
return 0;
}
-static struct of_device_id clps711x_keypad_of_match[] = {
+static const struct of_device_id clps711x_keypad_of_match[] = {
{ .compatible = "cirrus,clps711x-keypad", },
{ }
};
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 2db1324..8c98e97 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -424,6 +424,16 @@
return IRQ_HANDLED;
}
+static void gpio_keys_quiesce_key(void *data)
+{
+ struct gpio_button_data *bdata = data;
+
+ if (bdata->timer_debounce)
+ del_timer_sync(&bdata->timer);
+
+ cancel_work_sync(&bdata->work);
+}
+
static int gpio_keys_setup_key(struct platform_device *pdev,
struct input_dev *input,
struct gpio_button_data *bdata,
@@ -433,7 +443,8 @@
struct device *dev = &pdev->dev;
irq_handler_t isr;
unsigned long irqflags;
- int irq, error;
+ int irq;
+ int error;
bdata->input = input;
bdata->button = button;
@@ -441,7 +452,8 @@
if (gpio_is_valid(button->gpio)) {
- error = gpio_request_one(button->gpio, GPIOF_IN, desc);
+ error = devm_gpio_request_one(&pdev->dev, button->gpio,
+ GPIOF_IN, desc);
if (error < 0) {
dev_err(dev, "Failed to request GPIO %d, error %d\n",
button->gpio, error);
@@ -463,7 +475,7 @@
dev_err(dev,
"Unable to get irq number for GPIO %d, error %d\n",
button->gpio, error);
- goto fail;
+ return error;
}
bdata->irq = irq;
@@ -497,26 +509,33 @@
input_set_capability(input, button->type ?: EV_KEY, button->code);
/*
+ * Install custom action to cancel debounce timer and
+ * workqueue item.
+ */
+ error = devm_add_action(&pdev->dev, gpio_keys_quiesce_key, bdata);
+ if (error) {
+ dev_err(&pdev->dev,
+ "failed to register quiesce action, error: %d\n",
+ error);
+ return error;
+ }
+
+ /*
* If platform has specified that the button can be disabled,
* we don't want it to share the interrupt line.
*/
if (!button->can_disable)
irqflags |= IRQF_SHARED;
- error = request_any_context_irq(bdata->irq, isr, irqflags, desc, bdata);
+ error = devm_request_any_context_irq(&pdev->dev, bdata->irq,
+ isr, irqflags, desc, bdata);
if (error < 0) {
dev_err(dev, "Unable to claim irq %d; error %d\n",
bdata->irq, error);
- goto fail;
+ return error;
}
return 0;
-
-fail:
- if (gpio_is_valid(button->gpio))
- gpio_free(button->gpio);
-
- return error;
}
static void gpio_keys_report_state(struct gpio_keys_drvdata *ddata)
@@ -578,23 +597,18 @@
int i;
node = dev->of_node;
- if (!node) {
- error = -ENODEV;
- goto err_out;
- }
+ if (!node)
+ return ERR_PTR(-ENODEV);
nbuttons = of_get_child_count(node);
- if (nbuttons == 0) {
- error = -ENODEV;
- goto err_out;
- }
+ if (nbuttons == 0)
+ return ERR_PTR(-ENODEV);
- pdata = kzalloc(sizeof(*pdata) + nbuttons * (sizeof *button),
- GFP_KERNEL);
- if (!pdata) {
- error = -ENOMEM;
- goto err_out;
- }
+ pdata = devm_kzalloc(dev,
+ sizeof(*pdata) + nbuttons * sizeof(*button),
+ GFP_KERNEL);
+ if (!pdata)
+ return ERR_PTR(-ENOMEM);
pdata->buttons = (struct gpio_keys_button *)(pdata + 1);
pdata->nbuttons = nbuttons;
@@ -619,7 +633,7 @@
dev_err(dev,
"Failed to get gpio flags, error: %d\n",
error);
- goto err_free_pdata;
+ return ERR_PTR(error);
}
button = &pdata->buttons[i++];
@@ -630,8 +644,7 @@
if (of_property_read_u32(pp, "linux,code", &button->code)) {
dev_err(dev, "Button without keycode: 0x%x\n",
button->gpio);
- error = -EINVAL;
- goto err_free_pdata;
+ return ERR_PTR(-EINVAL);
}
button->desc = of_get_property(pp, "label", NULL);
@@ -646,20 +659,13 @@
button->debounce_interval = 5;
}
- if (pdata->nbuttons == 0) {
- error = -EINVAL;
- goto err_free_pdata;
- }
+ if (pdata->nbuttons == 0)
+ return ERR_PTR(-EINVAL);
return pdata;
-
-err_free_pdata:
- kfree(pdata);
-err_out:
- return ERR_PTR(error);
}
-static struct of_device_id gpio_keys_of_match[] = {
+static const struct of_device_id gpio_keys_of_match[] = {
{ .compatible = "gpio-keys", },
{ },
};
@@ -675,22 +681,13 @@
#endif
-static void gpio_remove_key(struct gpio_button_data *bdata)
-{
- free_irq(bdata->irq, bdata);
- if (bdata->timer_debounce)
- del_timer_sync(&bdata->timer);
- cancel_work_sync(&bdata->work);
- if (gpio_is_valid(bdata->button->gpio))
- gpio_free(bdata->button->gpio);
-}
-
static int gpio_keys_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev);
struct gpio_keys_drvdata *ddata;
struct input_dev *input;
+ size_t size;
int i, error;
int wakeup = 0;
@@ -700,14 +697,18 @@
return PTR_ERR(pdata);
}
- ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
- pdata->nbuttons * sizeof(struct gpio_button_data),
- GFP_KERNEL);
- input = input_allocate_device();
- if (!ddata || !input) {
+ size = sizeof(struct gpio_keys_drvdata) +
+ pdata->nbuttons * sizeof(struct gpio_button_data);
+ ddata = devm_kzalloc(dev, size, GFP_KERNEL);
+ if (!ddata) {
dev_err(dev, "failed to allocate state\n");
- error = -ENOMEM;
- goto fail1;
+ return -ENOMEM;
+ }
+
+ input = devm_input_allocate_device(dev);
+ if (!input) {
+ dev_err(dev, "failed to allocate input device\n");
+ return -ENOMEM;
}
ddata->pdata = pdata;
@@ -738,7 +739,7 @@
error = gpio_keys_setup_key(pdev, input, bdata, button);
if (error)
- goto fail2;
+ return error;
if (button->wakeup)
wakeup = 1;
@@ -748,57 +749,31 @@
if (error) {
dev_err(dev, "Unable to export keys/switches, error: %d\n",
error);
- goto fail2;
+ return error;
}
error = input_register_device(input);
if (error) {
dev_err(dev, "Unable to register input device, error: %d\n",
error);
- goto fail3;
+ goto err_remove_group;
}
device_init_wakeup(&pdev->dev, wakeup);
return 0;
- fail3:
+err_remove_group:
sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
- fail2:
- while (--i >= 0)
- gpio_remove_key(&ddata->data[i]);
-
- fail1:
- input_free_device(input);
- kfree(ddata);
- /* If we have no platform data, we allocated pdata dynamically. */
- if (!dev_get_platdata(&pdev->dev))
- kfree(pdata);
-
return error;
}
static int gpio_keys_remove(struct platform_device *pdev)
{
- struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev);
- struct input_dev *input = ddata->input;
- int i;
-
sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
device_init_wakeup(&pdev->dev, 0);
- for (i = 0; i < ddata->pdata->nbuttons; i++)
- gpio_remove_key(&ddata->data[i]);
-
- input_unregister_device(input);
-
- /* If we have no platform data, we allocated pdata dynamically. */
- if (!dev_get_platdata(&pdev->dev))
- kfree(ddata->pdata);
-
- kfree(ddata);
-
return 0;
}
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index e571e19..432d363 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -120,12 +120,10 @@
if (nbuttons == 0)
return NULL;
- pdata = kzalloc(sizeof(*pdata) + nbuttons * (sizeof *button),
- GFP_KERNEL);
- if (!pdata) {
- error = -ENOMEM;
- goto err_out;
- }
+ pdata = devm_kzalloc(dev, sizeof(*pdata) + nbuttons * sizeof(*button),
+ GFP_KERNEL);
+ if (!pdata)
+ return ERR_PTR(-ENOMEM);
pdata->buttons = (struct gpio_keys_button *)(pdata + 1);
pdata->nbuttons = nbuttons;
@@ -151,7 +149,7 @@
dev_err(dev,
"Failed to get gpio flags, error: %d\n",
error);
- goto err_free_pdata;
+ return ERR_PTR(error);
}
button = &pdata->buttons[i++];
@@ -162,8 +160,7 @@
if (of_property_read_u32(pp, "linux,code", &button->code)) {
dev_err(dev, "Button without keycode: 0x%x\n",
button->gpio);
- error = -EINVAL;
- goto err_free_pdata;
+ return ERR_PTR(-EINVAL);
}
button->desc = of_get_property(pp, "label", NULL);
@@ -178,20 +175,13 @@
button->debounce_interval = 5;
}
- if (pdata->nbuttons == 0) {
- error = -EINVAL;
- goto err_free_pdata;
- }
+ if (pdata->nbuttons == 0)
+ return ERR_PTR(-EINVAL);
return pdata;
-
-err_free_pdata:
- kfree(pdata);
-err_out:
- return ERR_PTR(error);
}
-static struct of_device_id gpio_keys_polled_of_match[] = {
+static const struct of_device_id gpio_keys_polled_of_match[] = {
{ .compatible = "gpio-keys-polled", },
{ },
};
@@ -213,6 +203,7 @@
struct gpio_keys_polled_dev *bdev;
struct input_polled_dev *poll_dev;
struct input_dev *input;
+ size_t size;
int error;
int i;
@@ -228,24 +219,21 @@
if (!pdata->poll_interval) {
dev_err(dev, "missing poll_interval value\n");
- error = -EINVAL;
- goto err_free_pdata;
+ return -EINVAL;
}
- bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) +
- pdata->nbuttons * sizeof(struct gpio_keys_button_data),
- GFP_KERNEL);
+ size = sizeof(struct gpio_keys_polled_dev) +
+ pdata->nbuttons * sizeof(struct gpio_keys_button_data);
+ bdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
if (!bdev) {
dev_err(dev, "no memory for private data\n");
- error = -ENOMEM;
- goto err_free_pdata;
+ return -ENOMEM;
}
- poll_dev = input_allocate_polled_device();
+ poll_dev = devm_input_allocate_polled_device(&pdev->dev);
if (!poll_dev) {
dev_err(dev, "no memory for polled device\n");
- error = -ENOMEM;
- goto err_free_bdev;
+ return -ENOMEM;
}
poll_dev->private = bdev;
@@ -258,7 +246,6 @@
input->name = pdev->name;
input->phys = DRV_NAME"/input0";
- input->dev.parent = &pdev->dev;
input->id.bustype = BUS_HOST;
input->id.vendor = 0x0001;
@@ -277,16 +264,15 @@
if (button->wakeup) {
dev_err(dev, DRV_NAME " does not support wakeup\n");
- error = -EINVAL;
- goto err_free_gpio;
+ return -EINVAL;
}
- error = gpio_request_one(gpio, GPIOF_IN,
- button->desc ?: DRV_NAME);
+ error = devm_gpio_request_one(&pdev->dev, gpio, GPIOF_IN,
+ button->desc ? : DRV_NAME);
if (error) {
dev_err(dev, "unable to claim gpio %u, err=%d\n",
gpio, error);
- goto err_free_gpio;
+ return error;
}
bdata->can_sleep = gpio_cansleep(gpio);
@@ -306,7 +292,7 @@
if (error) {
dev_err(dev, "unable to register polled device, err=%d\n",
error);
- goto err_free_gpio;
+ return error;
}
/* report initial state of the buttons */
@@ -315,52 +301,10 @@
&bdev->data[i]);
return 0;
-
-err_free_gpio:
- while (--i >= 0)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(poll_dev);
-
-err_free_bdev:
- kfree(bdev);
-
-err_free_pdata:
- /* If we have no platform_data, we allocated pdata dynamically. */
- if (!dev_get_platdata(&pdev->dev))
- kfree(pdata);
-
- return error;
-}
-
-static int gpio_keys_polled_remove(struct platform_device *pdev)
-{
- struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev);
- const struct gpio_keys_platform_data *pdata = bdev->pdata;
- int i;
-
- input_unregister_polled_device(bdev->poll_dev);
-
- for (i = 0; i < pdata->nbuttons; i++)
- gpio_free(pdata->buttons[i].gpio);
-
- input_free_polled_device(bdev->poll_dev);
-
- /*
- * If we had no platform_data, we allocated pdata dynamically and
- * must free it here.
- */
- if (!dev_get_platdata(&pdev->dev))
- kfree(pdata);
-
- kfree(bdev);
-
- return 0;
}
static struct platform_driver gpio_keys_polled_driver = {
.probe = gpio_keys_polled_probe,
- .remove = gpio_keys_polled_remove,
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 97ec335..8280cb1 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -415,7 +415,7 @@
}
#ifdef CONFIG_OF
-static struct of_device_id imx_keypad_of_match[] = {
+static const struct of_device_id imx_keypad_of_match[] = {
{ .compatible = "fsl,imx21-kpp", },
{ /* sentinel */ }
};
diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c
index 69b1f00..0ba4428 100644
--- a/drivers/input/keyboard/jornada680_kbd.c
+++ b/drivers/input/keyboard/jornada680_kbd.c
@@ -16,6 +16,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/device.h>
#include <linux/input.h>
#include <linux/input-polldev.h>
#include <linux/interrupt.h>
@@ -185,14 +186,15 @@
struct input_dev *input_dev;
int i, error;
- jornadakbd = kzalloc(sizeof(struct jornadakbd), GFP_KERNEL);
+ jornadakbd = devm_kzalloc(&pdev->dev, sizeof(struct jornadakbd),
+ GFP_KERNEL);
if (!jornadakbd)
return -ENOMEM;
- poll_dev = input_allocate_polled_device();
+ poll_dev = devm_input_allocate_polled_device(&pdev->dev);
if (!poll_dev) {
- error = -ENOMEM;
- goto failed;
+ dev_err(&pdev->dev, "failed to allocate polled input device\n");
+ return -ENOMEM;
}
platform_set_drvdata(pdev, jornadakbd);
@@ -224,27 +226,10 @@
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
error = input_register_polled_device(jornadakbd->poll_dev);
- if (error)
- goto failed;
-
- return 0;
-
- failed:
- printk(KERN_ERR "Jornadakbd: failed to register driver, error: %d\n",
- error);
- input_free_polled_device(poll_dev);
- kfree(jornadakbd);
- return error;
-
-}
-
-static int jornada680kbd_remove(struct platform_device *pdev)
-{
- struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
-
- input_unregister_polled_device(jornadakbd->poll_dev);
- input_free_polled_device(jornadakbd->poll_dev);
- kfree(jornadakbd);
+ if (error) {
+ dev_err(&pdev->dev, "failed to register polled input device\n");
+ return error;
+ }
return 0;
}
@@ -255,7 +240,6 @@
.owner = THIS_MODULE,
},
.probe = jornada680kbd_probe,
- .remove = jornada680kbd_remove,
};
module_platform_driver(jornada680kbd_driver);
diff --git a/drivers/input/keyboard/mcs_touchkey.c b/drivers/input/keyboard/mcs_touchkey.c
index 1da8e0b..375b05c 100644
--- a/drivers/input/keyboard/mcs_touchkey.c
+++ b/drivers/input/keyboard/mcs_touchkey.c
@@ -147,7 +147,7 @@
}
dev_info(&client->dev, "Firmware version: %d\n", fw_ver);
- input_dev->name = "MELPAS MCS Touchkey";
+ input_dev->name = "MELFAS MCS Touchkey";
input_dev->id.bustype = BUS_I2C;
input_dev->dev.parent = &client->dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY);
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 0400b3f..024b7bd 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -28,11 +28,10 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/input.h>
+#include <linux/input/matrix_keypad.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
-#include <linux/platform_data/omap4-keypad.h>
-
/* OMAP4 registers */
#define OMAP4_KBD_REVISION 0x00
#define OMAP4_KBD_SYSCONFIG 0x10
@@ -218,7 +217,6 @@
pm_runtime_put_sync(input->dev.parent);
}
-#ifdef CONFIG_OF
static int omap4_keypad_parse_dt(struct device *dev,
struct omap4_keypad *keypad_data)
{
@@ -235,20 +233,9 @@
return 0;
}
-#else
-static inline int omap4_keypad_parse_dt(struct device *dev,
- struct omap4_keypad *keypad_data)
-{
- return -ENOSYS;
-}
-#endif
static int omap4_keypad_probe(struct platform_device *pdev)
{
- const struct omap4_keypad_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
- const struct matrix_keymap_data *keymap_data =
- pdata ? pdata->keymap_data : NULL;
struct omap4_keypad *keypad_data;
struct input_dev *input_dev;
struct resource *res;
@@ -277,14 +264,9 @@
keypad_data->irq = irq;
- if (pdata) {
- keypad_data->rows = pdata->rows;
- keypad_data->cols = pdata->cols;
- } else {
- error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
- if (error)
- return error;
- }
+ error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
+ if (error)
+ return error;
res = request_mem_region(res->start, resource_size(res), pdev->name);
if (!res) {
@@ -363,7 +345,7 @@
goto err_free_input;
}
- error = matrix_keypad_build_keymap(keymap_data, NULL,
+ error = matrix_keypad_build_keymap(NULL, NULL,
keypad_data->rows, keypad_data->cols,
keypad_data->keymap, input_dev);
if (error) {
@@ -434,13 +416,11 @@
return 0;
}
-#ifdef CONFIG_OF
static const struct of_device_id omap_keypad_dt_match[] = {
{ .compatible = "ti,omap4-keypad" },
{},
};
MODULE_DEVICE_TABLE(of, omap_keypad_dt_match);
-#endif
#ifdef CONFIG_PM_SLEEP
static int omap4_keypad_suspend(struct device *dev)
@@ -482,7 +462,7 @@
.name = "omap4-keypad",
.owner = THIS_MODULE,
.pm = &omap4_keypad_pm_ops,
- .of_match_table = of_match_ptr(omap_keypad_dt_match),
+ .of_match_table = omap_keypad_dt_match,
},
};
module_platform_driver(omap4_keypad_driver);
diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c
new file mode 100644
index 0000000..758b487
--- /dev/null
+++ b/drivers/input/keyboard/st-keyscan.c
@@ -0,0 +1,274 @@
+/*
+ * STMicroelectronics Key Scanning driver
+ *
+ * Copyright (c) 2014 STMicroelectonics Ltd.
+ * Author: Stuart Menefy <stuart.menefy@st.com>
+ *
+ * Based on sh_keysc.c, copyright 2008 Magnus Damm
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/input/matrix_keypad.h>
+
+#define ST_KEYSCAN_MAXKEYS 16
+
+#define KEYSCAN_CONFIG_OFF 0x0
+#define KEYSCAN_CONFIG_ENABLE 0x1
+#define KEYSCAN_DEBOUNCE_TIME_OFF 0x4
+#define KEYSCAN_MATRIX_STATE_OFF 0x8
+#define KEYSCAN_MATRIX_DIM_OFF 0xc
+#define KEYSCAN_MATRIX_DIM_X_SHIFT 0x0
+#define KEYSCAN_MATRIX_DIM_Y_SHIFT 0x2
+
+struct st_keyscan {
+ void __iomem *base;
+ int irq;
+ struct clk *clk;
+ struct input_dev *input_dev;
+ unsigned long last_state;
+ unsigned int n_rows;
+ unsigned int n_cols;
+ unsigned int debounce_us;
+};
+
+static irqreturn_t keyscan_isr(int irq, void *dev_id)
+{
+ struct st_keyscan *keypad = dev_id;
+ unsigned short *keycode = keypad->input_dev->keycode;
+ unsigned long state, change;
+ int bit_nr;
+
+ state = readl(keypad->base + KEYSCAN_MATRIX_STATE_OFF) & 0xffff;
+ change = keypad->last_state ^ state;
+ keypad->last_state = state;
+
+ for_each_set_bit(bit_nr, &change, BITS_PER_LONG)
+ input_report_key(keypad->input_dev,
+ keycode[bit_nr], state & BIT(bit_nr));
+
+ input_sync(keypad->input_dev);
+
+ return IRQ_HANDLED;
+}
+
+static int keyscan_start(struct st_keyscan *keypad)
+{
+ int error;
+
+ error = clk_enable(keypad->clk);
+ if (error)
+ return error;
+
+ writel(keypad->debounce_us * (clk_get_rate(keypad->clk) / 1000000),
+ keypad->base + KEYSCAN_DEBOUNCE_TIME_OFF);
+
+ writel(((keypad->n_cols - 1) << KEYSCAN_MATRIX_DIM_X_SHIFT) |
+ ((keypad->n_rows - 1) << KEYSCAN_MATRIX_DIM_Y_SHIFT),
+ keypad->base + KEYSCAN_MATRIX_DIM_OFF);
+
+ writel(KEYSCAN_CONFIG_ENABLE, keypad->base + KEYSCAN_CONFIG_OFF);
+
+ return 0;
+}
+
+static void keyscan_stop(struct st_keyscan *keypad)
+{
+ writel(0, keypad->base + KEYSCAN_CONFIG_OFF);
+
+ clk_disable(keypad->clk);
+}
+
+static int keyscan_open(struct input_dev *dev)
+{
+ struct st_keyscan *keypad = input_get_drvdata(dev);
+
+ return keyscan_start(keypad);
+}
+
+static void keyscan_close(struct input_dev *dev)
+{
+ struct st_keyscan *keypad = input_get_drvdata(dev);
+
+ keyscan_stop(keypad);
+}
+
+static int keypad_matrix_key_parse_dt(struct st_keyscan *keypad_data)
+{
+ struct device *dev = keypad_data->input_dev->dev.parent;
+ struct device_node *np = dev->of_node;
+ int error;
+
+ error = matrix_keypad_parse_of_params(dev, &keypad_data->n_rows,
+ &keypad_data->n_cols);
+ if (error) {
+ dev_err(dev, "failed to parse keypad params\n");
+ return error;
+ }
+
+ of_property_read_u32(np, "st,debounce-us", &keypad_data->debounce_us);
+
+ dev_dbg(dev, "n_rows=%d n_col=%d debounce=%d\n",
+ keypad_data->n_rows, keypad_data->n_cols,
+ keypad_data->debounce_us);
+
+ return 0;
+}
+
+static int keyscan_probe(struct platform_device *pdev)
+{
+ struct st_keyscan *keypad_data;
+ struct input_dev *input_dev;
+ struct resource *res;
+ int error;
+
+ if (!pdev->dev.of_node) {
+ dev_err(&pdev->dev, "no DT data present\n");
+ return -EINVAL;
+ }
+
+ keypad_data = devm_kzalloc(&pdev->dev, sizeof(*keypad_data),
+ GFP_KERNEL);
+ if (!keypad_data)
+ return -ENOMEM;
+
+ input_dev = devm_input_allocate_device(&pdev->dev);
+ if (!input_dev) {
+ dev_err(&pdev->dev, "failed to allocate the input device\n");
+ return -ENOMEM;
+ }
+
+ input_dev->name = pdev->name;
+ input_dev->phys = "keyscan-keys/input0";
+ input_dev->dev.parent = &pdev->dev;
+ input_dev->open = keyscan_open;
+ input_dev->close = keyscan_close;
+
+ input_dev->id.bustype = BUS_HOST;
+
+ error = keypad_matrix_key_parse_dt(keypad_data);
+ if (error)
+ return error;
+
+ error = matrix_keypad_build_keymap(NULL, NULL,
+ keypad_data->n_rows,
+ keypad_data->n_cols,
+ NULL, input_dev);
+ if (error) {
+ dev_err(&pdev->dev, "failed to build keymap\n");
+ return error;
+ }
+
+ input_set_drvdata(input_dev, keypad_data);
+
+ keypad_data->input_dev = input_dev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ keypad_data->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(keypad_data->base))
+ return PTR_ERR(keypad_data->base);
+
+ keypad_data->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(keypad_data->clk)) {
+ dev_err(&pdev->dev, "cannot get clock\n");
+ return PTR_ERR(keypad_data->clk);
+ }
+
+ error = clk_enable(keypad_data->clk);
+ if (error) {
+ dev_err(&pdev->dev, "failed to enable clock\n");
+ return error;
+ }
+
+ keyscan_stop(keypad_data);
+
+ keypad_data->irq = platform_get_irq(pdev, 0);
+ if (keypad_data->irq < 0) {
+ dev_err(&pdev->dev, "no IRQ specified\n");
+ return -EINVAL;
+ }
+
+ error = devm_request_irq(&pdev->dev, keypad_data->irq, keyscan_isr, 0,
+ pdev->name, keypad_data);
+ if (error) {
+ dev_err(&pdev->dev, "failed to request IRQ\n");
+ return error;
+ }
+
+ error = input_register_device(input_dev);
+ if (error) {
+ dev_err(&pdev->dev, "failed to register input device\n");
+ return error;
+ }
+
+ platform_set_drvdata(pdev, keypad_data);
+
+ device_set_wakeup_capable(&pdev->dev, 1);
+
+ return 0;
+}
+
+static int keyscan_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct st_keyscan *keypad = platform_get_drvdata(pdev);
+ struct input_dev *input = keypad->input_dev;
+
+ mutex_lock(&input->mutex);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(keypad->irq);
+ else if (input->users)
+ keyscan_stop(keypad);
+
+ mutex_unlock(&input->mutex);
+ return 0;
+}
+
+static int keyscan_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct st_keyscan *keypad = platform_get_drvdata(pdev);
+ struct input_dev *input = keypad->input_dev;
+ int retval = 0;
+
+ mutex_lock(&input->mutex);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(keypad->irq);
+ else if (input->users)
+ retval = keyscan_start(keypad);
+
+ mutex_unlock(&input->mutex);
+ return retval;
+}
+
+static SIMPLE_DEV_PM_OPS(keyscan_dev_pm_ops, keyscan_suspend, keyscan_resume);
+
+static const struct of_device_id keyscan_of_match[] = {
+ { .compatible = "st,sti-keyscan" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, keyscan_of_match);
+
+static struct platform_driver keyscan_device_driver = {
+ .probe = keyscan_probe,
+ .driver = {
+ .name = "st-keyscan",
+ .pm = &keyscan_dev_pm_ops,
+ .of_match_table = of_match_ptr(keyscan_of_match),
+ }
+};
+
+module_platform_driver(keyscan_device_driver);
+
+MODULE_AUTHOR("Stuart Menefy <stuart.menefy@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics keyscan device driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c
index 74494a3..ad7abae 100644
--- a/drivers/input/keyboard/tc3589x-keypad.c
+++ b/drivers/input/keyboard/tc3589x-keypad.c
@@ -296,6 +296,65 @@
tc3589x_keypad_disable(keypad);
}
+#ifdef CONFIG_OF
+static const struct tc3589x_keypad_platform_data *
+tc3589x_keypad_of_probe(struct device *dev)
+{
+ struct device_node *np = dev->of_node;
+ struct tc3589x_keypad_platform_data *plat;
+ u32 cols, rows;
+ u32 debounce_ms;
+ int proplen;
+
+ if (!np)
+ return ERR_PTR(-ENODEV);
+
+ plat = devm_kzalloc(dev, sizeof(*plat), GFP_KERNEL);
+ if (!plat)
+ return ERR_PTR(-ENOMEM);
+
+ of_property_read_u32(np, "keypad,num-columns", &cols);
+ of_property_read_u32(np, "keypad,num-rows", &rows);
+ plat->kcol = (u8) cols;
+ plat->krow = (u8) rows;
+ if (!plat->krow || !plat->kcol ||
+ plat->krow > TC_KPD_ROWS || plat->kcol > TC_KPD_COLUMNS) {
+ dev_err(dev,
+ "keypad columns/rows not properly specified (%ux%u)\n",
+ plat->kcol, plat->krow);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (!of_get_property(np, "linux,keymap", &proplen)) {
+ dev_err(dev, "property linux,keymap not found\n");
+ return ERR_PTR(-ENOENT);
+ }
+
+ plat->no_autorepeat = of_property_read_bool(np, "linux,no-autorepeat");
+ plat->enable_wakeup = of_property_read_bool(np, "linux,wakeup");
+
+ /* The custom delay format is ms/16 */
+ of_property_read_u32(np, "debounce-delay-ms", &debounce_ms);
+ if (debounce_ms)
+ plat->debounce_period = debounce_ms * 16;
+ else
+ plat->debounce_period = TC_KPD_DEBOUNCE_PERIOD;
+
+ plat->settle_time = TC_KPD_SETTLE_TIME;
+ /* FIXME: should be property of the IRQ resource? */
+ plat->irqtype = IRQF_TRIGGER_FALLING;
+
+ return plat;
+}
+#else
+static inline const struct tc3589x_keypad_platform_data *
+tc3589x_keypad_of_probe(struct device *dev)
+{
+ return ERR_PTR(-ENODEV);
+}
+#endif
+
+
static int tc3589x_keypad_probe(struct platform_device *pdev)
{
struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
@@ -306,8 +365,11 @@
plat = tc3589x->pdata->keypad;
if (!plat) {
- dev_err(&pdev->dev, "invalid keypad platform data\n");
- return -EINVAL;
+ plat = tc3589x_keypad_of_probe(&pdev->dev);
+ if (IS_ERR(plat)) {
+ dev_err(&pdev->dev, "invalid keypad platform data\n");
+ return PTR_ERR(plat);
+ }
}
irq = platform_get_irq(pdev, 0);
diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c
index abd8453..220ce0f 100644
--- a/drivers/input/misc/88pm860x_onkey.c
+++ b/drivers/input/misc/88pm860x_onkey.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/mfd/88pm860x.h>
#include <linux/slab.h>
+#include <linux/device.h>
#define PM8607_WAKEUP 0x0b
@@ -68,7 +69,8 @@
return -EINVAL;
}
- info = kzalloc(sizeof(struct pm860x_onkey_info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_onkey_info),
+ GFP_KERNEL);
if (!info)
return -ENOMEM;
info->chip = chip;
@@ -76,11 +78,10 @@
info->dev = &pdev->dev;
info->irq = irq;
- info->idev = input_allocate_device();
+ info->idev = devm_input_allocate_device(&pdev->dev);
if (!info->idev) {
dev_err(chip->dev, "Failed to allocate input dev\n");
- ret = -ENOMEM;
- goto out;
+ return -ENOMEM;
}
info->idev->name = "88pm860x_on";
@@ -93,42 +94,22 @@
ret = input_register_device(info->idev);
if (ret) {
dev_err(chip->dev, "Can't register input device: %d\n", ret);
- goto out_reg;
+ return ret;
}
- ret = request_threaded_irq(info->irq, NULL, pm860x_onkey_handler,
- IRQF_ONESHOT, "onkey", info);
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
+ pm860x_onkey_handler, IRQF_ONESHOT,
+ "onkey", info);
if (ret < 0) {
dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
info->irq, ret);
- goto out_irq;
+ return ret;
}
platform_set_drvdata(pdev, info);
device_init_wakeup(&pdev->dev, 1);
return 0;
-
-out_irq:
- input_unregister_device(info->idev);
- kfree(info);
- return ret;
-
-out_reg:
- input_free_device(info->idev);
-out:
- kfree(info);
- return ret;
-}
-
-static int pm860x_onkey_remove(struct platform_device *pdev)
-{
- struct pm860x_onkey_info *info = platform_get_drvdata(pdev);
-
- free_irq(info->irq, info);
- input_unregister_device(info->idev);
- kfree(info);
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -161,7 +142,6 @@
.pm = &pm860x_onkey_pm_ops,
},
.probe = pm860x_onkey_probe,
- .remove = pm860x_onkey_remove,
};
module_platform_driver(pm860x_onkey_driver);
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 5928ea7..2ff4425 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -224,7 +224,7 @@
config INPUT_GPIO_BEEPER
tristate "Generic GPIO Beeper support"
- depends on OF_GPIO
+ depends on GPIOLIB
help
Say Y here if you have a beeper connected to a GPIO pin.
diff --git a/drivers/input/misc/ab8500-ponkey.c b/drivers/input/misc/ab8500-ponkey.c
index f2fbdd8..95ef7dd 100644
--- a/drivers/input/misc/ab8500-ponkey.c
+++ b/drivers/input/misc/ab8500-ponkey.c
@@ -7,6 +7,7 @@
* AB8500 Power-On Key handler
*/
+#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -65,12 +66,14 @@
return irq_dbr;
}
- ponkey = kzalloc(sizeof(struct ab8500_ponkey), GFP_KERNEL);
- input = input_allocate_device();
- if (!ponkey || !input) {
- error = -ENOMEM;
- goto err_free_mem;
- }
+ ponkey = devm_kzalloc(&pdev->dev, sizeof(struct ab8500_ponkey),
+ GFP_KERNEL);
+ if (!ponkey)
+ return -ENOMEM;
+
+ input = devm_input_allocate_device(&pdev->dev);
+ if (!input)
+ return -ENOMEM;
ponkey->idev = input;
ponkey->ab8500 = ab8500;
@@ -82,52 +85,32 @@
input_set_capability(input, EV_KEY, KEY_POWER);
- error = request_any_context_irq(ponkey->irq_dbf, ab8500_ponkey_handler,
- 0, "ab8500-ponkey-dbf", ponkey);
+ error = devm_request_any_context_irq(&pdev->dev, ponkey->irq_dbf,
+ ab8500_ponkey_handler, 0,
+ "ab8500-ponkey-dbf", ponkey);
if (error < 0) {
dev_err(ab8500->dev, "Failed to request dbf IRQ#%d: %d\n",
ponkey->irq_dbf, error);
- goto err_free_mem;
+ return error;
}
- error = request_any_context_irq(ponkey->irq_dbr, ab8500_ponkey_handler,
- 0, "ab8500-ponkey-dbr", ponkey);
+ error = devm_request_any_context_irq(&pdev->dev, ponkey->irq_dbr,
+ ab8500_ponkey_handler, 0,
+ "ab8500-ponkey-dbr", ponkey);
if (error < 0) {
dev_err(ab8500->dev, "Failed to request dbr IRQ#%d: %d\n",
ponkey->irq_dbr, error);
- goto err_free_dbf_irq;
+ return error;
}
error = input_register_device(ponkey->idev);
if (error) {
dev_err(ab8500->dev, "Can't register input device: %d\n", error);
- goto err_free_dbr_irq;
+ return error;
}
platform_set_drvdata(pdev, ponkey);
return 0;
-
-err_free_dbr_irq:
- free_irq(ponkey->irq_dbr, ponkey);
-err_free_dbf_irq:
- free_irq(ponkey->irq_dbf, ponkey);
-err_free_mem:
- input_free_device(input);
- kfree(ponkey);
-
- return error;
-}
-
-static int ab8500_ponkey_remove(struct platform_device *pdev)
-{
- struct ab8500_ponkey *ponkey = platform_get_drvdata(pdev);
-
- free_irq(ponkey->irq_dbf, ponkey);
- free_irq(ponkey->irq_dbr, ponkey);
- input_unregister_device(ponkey->idev);
- kfree(ponkey);
-
- return 0;
}
#ifdef CONFIG_OF
@@ -144,7 +127,6 @@
.of_match_table = of_match_ptr(ab8500_ponkey_match),
},
.probe = ab8500_ponkey_probe,
- .remove = ab8500_ponkey_remove,
};
module_platform_driver(ab8500_ponkey_driver);
diff --git a/drivers/input/misc/gpio-beeper.c b/drivers/input/misc/gpio-beeper.c
index b757435..8886af6 100644
--- a/drivers/input/misc/gpio-beeper.c
+++ b/drivers/input/misc/gpio-beeper.c
@@ -1,7 +1,7 @@
/*
* Generic GPIO beeper driver
*
- * Copyright (C) 2013 Alexander Shiyan <shc_work@mail.ru>
+ * Copyright (C) 2013-2014 Alexander Shiyan <shc_work@mail.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -11,7 +11,8 @@
#include <linux/input.h>
#include <linux/module.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/of.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
@@ -19,14 +20,13 @@
struct gpio_beeper {
struct work_struct work;
- int gpio;
- bool active_low;
+ struct gpio_desc *desc;
bool beeping;
};
static void gpio_beeper_toggle(struct gpio_beeper *beep, bool on)
{
- gpio_set_value_cansleep(beep->gpio, on ^ beep->active_low);
+ gpiod_set_value_cansleep(beep->desc, on);
}
static void gpio_beeper_work(struct work_struct *work)
@@ -65,18 +65,16 @@
static int gpio_beeper_probe(struct platform_device *pdev)
{
struct gpio_beeper *beep;
- enum of_gpio_flags flags;
struct input_dev *input;
- unsigned long gflags;
int err;
beep = devm_kzalloc(&pdev->dev, sizeof(*beep), GFP_KERNEL);
if (!beep)
return -ENOMEM;
- beep->gpio = of_get_gpio_flags(pdev->dev.of_node, 0, &flags);
- if (!gpio_is_valid(beep->gpio))
- return beep->gpio;
+ beep->desc = devm_gpiod_get(&pdev->dev, NULL);
+ if (IS_ERR(beep->desc))
+ return PTR_ERR(beep->desc);
input = devm_input_allocate_device(&pdev->dev);
if (!input)
@@ -94,10 +92,7 @@
input_set_capability(input, EV_SND, SND_BELL);
- beep->active_low = flags & OF_GPIO_ACTIVE_LOW;
- gflags = beep->active_low ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
-
- err = devm_gpio_request_one(&pdev->dev, beep->gpio, gflags, pdev->name);
+ err = gpiod_direction_output(beep->desc, 0);
if (err)
return err;
@@ -106,17 +101,19 @@
return input_register_device(input);
}
-static struct of_device_id gpio_beeper_of_match[] = {
+#ifdef CONFIG_OF
+static const struct of_device_id gpio_beeper_of_match[] = {
{ .compatible = BEEPER_MODNAME, },
{ }
};
MODULE_DEVICE_TABLE(of, gpio_beeper_of_match);
+#endif
static struct platform_driver gpio_beeper_platform_driver = {
.driver = {
.name = BEEPER_MODNAME,
.owner = THIS_MODULE,
- .of_match_table = gpio_beeper_of_match,
+ .of_match_table = of_match_ptr(gpio_beeper_of_match),
},
.probe = gpio_beeper_probe,
};
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index 5a73639..719410f 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1566,6 +1566,7 @@
if (!pcu->urb_ctrl_buf) {
dev_err(pcu->dev,
"Failed to allocate memory for read buffer\n");
+ error = -ENOMEM;
goto err_free_urb_out_buf;
}
diff --git a/drivers/input/misc/max8925_onkey.c b/drivers/input/misc/max8925_onkey.c
index eef41cf..3809618 100644
--- a/drivers/input/misc/max8925_onkey.c
+++ b/drivers/input/misc/max8925_onkey.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/mfd/max8925.h>
#include <linux/slab.h>
+#include <linux/device.h>
#define SW_INPUT (1 << 7) /* 0/1 -- up/down */
#define HARDRESET_EN (1 << 7)
@@ -81,12 +82,14 @@
return -EINVAL;
}
- info = kzalloc(sizeof(struct max8925_onkey_info), GFP_KERNEL);
- input = input_allocate_device();
- if (!info || !input) {
- error = -ENOMEM;
- goto err_free_mem;
- }
+ info = devm_kzalloc(&pdev->dev, sizeof(struct max8925_onkey_info),
+ GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ input = devm_input_allocate_device(&pdev->dev);
+ if (!input)
+ return -ENOMEM;
info->idev = input;
info->i2c = chip->i2c;
@@ -100,55 +103,34 @@
input->dev.parent = &pdev->dev;
input_set_capability(input, EV_KEY, KEY_POWER);
- error = request_threaded_irq(irq[0], NULL, max8925_onkey_handler,
- IRQF_ONESHOT, "onkey-down", info);
+ error = devm_request_threaded_irq(&pdev->dev, irq[0], NULL,
+ max8925_onkey_handler, IRQF_ONESHOT,
+ "onkey-down", info);
if (error < 0) {
dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
irq[0], error);
- goto err_free_mem;
+ return error;
}
- error = request_threaded_irq(irq[1], NULL, max8925_onkey_handler,
- IRQF_ONESHOT, "onkey-up", info);
+ error = devm_request_threaded_irq(&pdev->dev, irq[1], NULL,
+ max8925_onkey_handler, IRQF_ONESHOT,
+ "onkey-up", info);
if (error < 0) {
dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
irq[1], error);
- goto err_free_irq0;
+ return error;
}
error = input_register_device(info->idev);
if (error) {
dev_err(chip->dev, "Can't register input device: %d\n", error);
- goto err_free_irq1;
+ return error;
}
platform_set_drvdata(pdev, info);
device_init_wakeup(&pdev->dev, 1);
return 0;
-
-err_free_irq1:
- free_irq(irq[1], info);
-err_free_irq0:
- free_irq(irq[0], info);
-err_free_mem:
- input_free_device(input);
- kfree(info);
-
- return error;
-}
-
-static int max8925_onkey_remove(struct platform_device *pdev)
-{
- struct max8925_onkey_info *info = platform_get_drvdata(pdev);
- struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
-
- free_irq(info->irq[0] + chip->irq_base, info);
- free_irq(info->irq[1] + chip->irq_base, info);
- input_unregister_device(info->idev);
- kfree(info);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -190,7 +172,6 @@
.pm = &max8925_onkey_pm_ops,
},
.probe = max8925_onkey_probe,
- .remove = max8925_onkey_remove,
};
module_platform_driver(max8925_onkey_driver);
diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c
index 1fea548..a363ebb 100644
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@@ -181,11 +181,21 @@
}
if (!chip->enabled) {
- chip->enabled = true;
- regulator_enable(chip->regulator);
+ error = regulator_enable(chip->regulator);
+ if (error) {
+ dev_err(chip->dev, "Failed to enable regulator\n");
+ goto out;
+ }
max8997_haptic_configure(chip);
- if (chip->mode == MAX8997_EXTERNAL_MODE)
- pwm_enable(chip->pwm);
+ if (chip->mode == MAX8997_EXTERNAL_MODE) {
+ error = pwm_enable(chip->pwm);
+ if (error) {
+ dev_err(chip->dev, "Failed to enable PWM\n");
+ regulator_disable(chip->regulator);
+ goto out;
+ }
+ }
+ chip->enabled = true;
}
out:
diff --git a/drivers/input/misc/pmic8xxx-pwrkey.c b/drivers/input/misc/pmic8xxx-pwrkey.c
index 1cb8fda..c91e3d3 100644
--- a/drivers/input/misc/pmic8xxx-pwrkey.c
+++ b/drivers/input/misc/pmic8xxx-pwrkey.c
@@ -92,15 +92,15 @@
bool pull_up;
if (of_property_read_u32(pdev->dev.of_node, "debounce", &kpd_delay))
- kpd_delay = 0;
+ kpd_delay = 15625;
- pull_up = of_property_read_bool(pdev->dev.of_node, "pull-up");
-
- if (kpd_delay > 62500) {
+ if (kpd_delay > 62500 || kpd_delay == 0) {
dev_err(&pdev->dev, "invalid power key trigger delay\n");
return -EINVAL;
}
+ pull_up = of_property_read_bool(pdev->dev.of_node, "pull-up");
+
regmap = dev_get_regmap(pdev->dev.parent, NULL);
if (!regmap) {
dev_err(&pdev->dev, "failed to locate regmap for the device\n");
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 99b9e42..93558a1c 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -143,7 +143,7 @@
}
#ifdef CONFIG_OF
-static struct of_device_id rotary_encoder_of_match[] = {
+static const struct of_device_id rotary_encoder_of_match[] = {
{ .compatible = "rotary-encoder", },
{ },
};
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index 20c80f5..5a6334b 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -17,7 +17,6 @@
#include <linux/acpi.h>
#include <linux/gpio/consumer.h>
#include <linux/gpio_keys.h>
-#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/pnp.h>
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 77dc23b..6d26eec 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -262,7 +262,7 @@
struct vibra_info *info;
int vddvibl_uV = 0;
int vddvibr_uV = 0;
- int ret;
+ int error;
twl6040_core_node = of_find_node_by_name(twl6040_core_dev->of_node,
"vibra");
@@ -309,12 +309,12 @@
mutex_init(&info->mutex);
- ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
- twl6040_vib_irq_handler, 0,
- "twl6040_irq_vib", info);
- if (ret) {
- dev_err(info->dev, "VIB IRQ request failed: %d\n", ret);
- return ret;
+ error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
+ twl6040_vib_irq_handler, 0,
+ "twl6040_irq_vib", info);
+ if (error) {
+ dev_err(info->dev, "VIB IRQ request failed: %d\n", error);
+ return error;
}
info->supplies[0].supply = "vddvibl";
@@ -323,40 +323,40 @@
* When booted with Device tree the regulators are attached to the
* parent device (twl6040 MFD core)
*/
- ret = regulator_bulk_get(twl6040_core_dev, ARRAY_SIZE(info->supplies),
- info->supplies);
- if (ret) {
- dev_err(info->dev, "couldn't get regulators %d\n", ret);
- return ret;
+ error = devm_regulator_bulk_get(twl6040_core_dev,
+ ARRAY_SIZE(info->supplies),
+ info->supplies);
+ if (error) {
+ dev_err(info->dev, "couldn't get regulators %d\n", error);
+ return error;
}
if (vddvibl_uV) {
- ret = regulator_set_voltage(info->supplies[0].consumer,
- vddvibl_uV, vddvibl_uV);
- if (ret) {
+ error = regulator_set_voltage(info->supplies[0].consumer,
+ vddvibl_uV, vddvibl_uV);
+ if (error) {
dev_err(info->dev, "failed to set VDDVIBL volt %d\n",
- ret);
- goto err_regulator;
+ error);
+ return error;
}
}
if (vddvibr_uV) {
- ret = regulator_set_voltage(info->supplies[1].consumer,
- vddvibr_uV, vddvibr_uV);
- if (ret) {
+ error = regulator_set_voltage(info->supplies[1].consumer,
+ vddvibr_uV, vddvibr_uV);
+ if (error) {
dev_err(info->dev, "failed to set VDDVIBR volt %d\n",
- ret);
- goto err_regulator;
+ error);
+ return error;
}
}
INIT_WORK(&info->play_work, vibra_play_work);
- info->input_dev = input_allocate_device();
- if (info->input_dev == NULL) {
+ info->input_dev = devm_input_allocate_device(&pdev->dev);
+ if (!info->input_dev) {
dev_err(info->dev, "couldn't allocate input device\n");
- ret = -ENOMEM;
- goto err_regulator;
+ return -ENOMEM;
}
input_set_drvdata(info->input_dev, info);
@@ -367,44 +367,25 @@
info->input_dev->close = twl6040_vibra_close;
__set_bit(FF_RUMBLE, info->input_dev->ffbit);
- ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
- if (ret < 0) {
+ error = input_ff_create_memless(info->input_dev, NULL, vibra_play);
+ if (error) {
dev_err(info->dev, "couldn't register vibrator to FF\n");
- goto err_ialloc;
+ return error;
}
- ret = input_register_device(info->input_dev);
- if (ret < 0) {
+ error = input_register_device(info->input_dev);
+ if (error) {
dev_err(info->dev, "couldn't register input device\n");
- goto err_iff;
+ return error;
}
platform_set_drvdata(pdev, info);
return 0;
-
-err_iff:
- input_ff_destroy(info->input_dev);
-err_ialloc:
- input_free_device(info->input_dev);
-err_regulator:
- regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies);
- return ret;
-}
-
-static int twl6040_vibra_remove(struct platform_device *pdev)
-{
- struct vibra_info *info = platform_get_drvdata(pdev);
-
- input_unregister_device(info->input_dev);
- regulator_bulk_free(ARRAY_SIZE(info->supplies), info->supplies);
-
- return 0;
}
static struct platform_driver twl6040_vibra_driver = {
.probe = twl6040_vibra_probe,
- .remove = twl6040_vibra_remove,
.driver = {
.name = "twl6040-vibra",
.owner = THIS_MODULE,
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 6b8441f..366fc7a 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -53,7 +53,7 @@
default y
depends on MOUSE_PS2
help
- Say Y here if you have a Logictech PS/2++ mouse connected to
+ Say Y here if you have a Logitech PS/2++ mouse connected to
your system.
If unsure, say Y.
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index b96e978..ee2a04d 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -473,8 +473,15 @@
input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+
+ /* For clickpads map both buttons to BTN_LEFT */
+ if (etd->fw_version & 0x001000) {
+ input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
+ } else {
+ input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+ }
+
input_report_abs(dev, ABS_PRESSURE, pres);
input_report_abs(dev, ABS_TOOL_WIDTH, width);
@@ -484,10 +491,17 @@
static void elantech_input_sync_v4(struct psmouse *psmouse)
{
struct input_dev *dev = psmouse->dev;
+ struct elantech_data *etd = psmouse->private;
unsigned char *packet = psmouse->packet;
- input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
- input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+ /* For clickpads map both buttons to BTN_LEFT */
+ if (etd->fw_version & 0x001000) {
+ input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
+ } else {
+ input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+ }
+
input_mt_report_pointer_emulation(dev, true);
input_sync(dev);
}
@@ -835,7 +849,7 @@
if (etd->set_hw_resolution)
etd->reg_10 = 0x0b;
else
- etd->reg_10 = 0x03;
+ etd->reg_10 = 0x01;
if (elantech_write_reg(psmouse, 0x10, etd->reg_10))
rc = -1;
@@ -1336,7 +1350,8 @@
}
/*
- * Some hw_version 3 models go into error state when we try to set bit 3 of r10
+ * Some hw_version 3 models go into error state when we try to set
+ * bit 3 and/or bit 1 of r10.
*/
static const struct dmi_system_id no_hw_res_dmi_table[] = {
#if defined(CONFIG_DMI) && defined(CONFIG_X86)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index c5ec703..ec772d9 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -347,15 +347,6 @@
unsigned char resp[3];
int i;
- for (i = 0; min_max_pnpid_table[i].pnp_ids; i++)
- if (matches_pnp_id(psmouse, min_max_pnpid_table[i].pnp_ids)) {
- priv->x_min = min_max_pnpid_table[i].x_min;
- priv->x_max = min_max_pnpid_table[i].x_max;
- priv->y_min = min_max_pnpid_table[i].y_min;
- priv->y_max = min_max_pnpid_table[i].y_max;
- return 0;
- }
-
if (SYN_ID_MAJOR(priv->identity) < 4)
return 0;
@@ -366,6 +357,16 @@
}
}
+ for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) {
+ if (matches_pnp_id(psmouse, min_max_pnpid_table[i].pnp_ids)) {
+ priv->x_min = min_max_pnpid_table[i].x_min;
+ priv->x_max = min_max_pnpid_table[i].x_max;
+ priv->y_min = min_max_pnpid_table[i].y_min;
+ priv->y_max = min_max_pnpid_table[i].y_max;
+ return 0;
+ }
+ }
+
if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 &&
SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) {
if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) {
diff --git a/drivers/input/serio/apbps2.c b/drivers/input/serio/apbps2.c
index 17e01a8..98be824 100644
--- a/drivers/input/serio/apbps2.c
+++ b/drivers/input/serio/apbps2.c
@@ -203,7 +203,7 @@
return 0;
}
-static struct of_device_id apbps2_of_match[] = {
+static const struct of_device_id apbps2_of_match[] = {
{ .name = "GAISLER_APBPS2", },
{ .name = "01_060", },
{}
diff --git a/drivers/input/serio/olpc_apsp.c b/drivers/input/serio/olpc_apsp.c
index 5d2fe7e..d906f3e 100644
--- a/drivers/input/serio/olpc_apsp.c
+++ b/drivers/input/serio/olpc_apsp.c
@@ -262,7 +262,7 @@
return 0;
}
-static struct of_device_id olpc_apsp_dt_ids[] = {
+static const struct of_device_id olpc_apsp_dt_ids[] = {
{ .compatible = "olpc,ap-sp", },
{}
};
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 611fc39..2c613cd 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -349,6 +349,7 @@
break;
case MTTPC:
+ case MTTPC_B:
features->pktlen = WACOM_PKGLEN_MTTPC;
break;
@@ -380,6 +381,16 @@
i += 12;
break;
+ case MTTPC_B:
+ features->x_max =
+ get_unaligned_le16(&report[i + 3]);
+ features->x_phy =
+ get_unaligned_le16(&report[i + 6]);
+ features->unit = report[i - 5];
+ features->unitExpo = report[i - 3];
+ i += 9;
+ break;
+
default:
features->x_max =
get_unaligned_le16(&report[i + 3]);
@@ -430,6 +441,14 @@
i += 12;
break;
+ case MTTPC_B:
+ features->y_max =
+ get_unaligned_le16(&report[i + 3]);
+ features->y_phy =
+ get_unaligned_le16(&report[i + 6]);
+ i += 9;
+ break;
+
default:
features->y_max =
features->x_max;
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 4822c57..977d05c 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -484,6 +484,8 @@
input_report_key(input, BTN_TOUCH, 0);
input_report_abs(input, ABS_PRESSURE, 0);
input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
+ if (features->quirks & WACOM_QUIRK_MULTI_INPUT)
+ wacom->shared->stylus_in_proximity = true;
}
/* Exit report */
@@ -928,12 +930,12 @@
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
- int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
- int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
- int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
- int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
- int w = le16_to_cpup((__le16 *)&data[offset + 10]);
- int h = le16_to_cpup((__le16 *)&data[offset + 12]);
+ int t_x = get_unaligned_le16(&data[offset + 2]);
+ int c_x = get_unaligned_le16(&data[offset + 4]);
+ int t_y = get_unaligned_le16(&data[offset + 6]);
+ int c_y = get_unaligned_le16(&data[offset + 8]);
+ int w = get_unaligned_le16(&data[offset + 10]);
+ int h = get_unaligned_le16(&data[offset + 12]);
input_report_abs(input, ABS_MT_POSITION_X, t_x);
input_report_abs(input, ABS_MT_POSITION_Y, t_y);
@@ -962,7 +964,7 @@
int x_offset = 0;
/* MTTPC does not support Height and Width */
- if (wacom->features.type == MTTPC)
+ if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
x_offset = -4;
/*
@@ -978,7 +980,7 @@
for (i = 0; i < contacts_to_send; i++) {
int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
bool touch = data[offset] & 0x1;
- int id = le16_to_cpup((__le16 *)&data[offset + 1]);
+ int id = get_unaligned_le16(&data[offset + 1]);
int slot = input_mt_get_slot_by_key(input, id);
if (slot < 0)
@@ -987,8 +989,8 @@
input_mt_slot(input, slot);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
- int x = le16_to_cpup((__le16 *)&data[offset + x_offset + 7]);
- int y = le16_to_cpup((__le16 *)&data[offset + x_offset + 9]);
+ int x = get_unaligned_le16(&data[offset + x_offset + 7]);
+ int y = get_unaligned_le16(&data[offset + x_offset + 9]);
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
}
@@ -1047,6 +1049,10 @@
prox = data[0] & 0x01;
x = get_unaligned_le16(&data[1]);
y = get_unaligned_le16(&data[3]);
+ } else if (len == WACOM_PKGLEN_TPC1FG_B) {
+ prox = data[2] & 0x01;
+ x = get_unaligned_le16(&data[3]);
+ y = get_unaligned_le16(&data[5]);
} else {
prox = data[1] & 0x01;
x = le16_to_cpup((__le16 *)&data[2]);
@@ -1110,6 +1116,9 @@
case WACOM_PKGLEN_TPC2FG:
return wacom_tpc_mt_touch(wacom);
+ case WACOM_PKGLEN_PENABLED:
+ return wacom_tpc_pen(wacom);
+
default:
switch (data[0]) {
case WACOM_REPORT_TPC1FG:
@@ -1119,6 +1128,7 @@
return wacom_tpc_single_touch(wacom, len);
case WACOM_REPORT_TPCMT:
+ case WACOM_REPORT_TPCMT2:
return wacom_mt_touch(wacom);
case WACOM_REPORT_PENABLED:
@@ -1461,6 +1471,7 @@
case TABLETPC2FG:
case MTSCREEN:
case MTTPC:
+ case MTTPC_B:
sync = wacom_tpc_irq(wacom_wac, len);
break;
@@ -1565,10 +1576,10 @@
struct wacom_features *features = &wacom_wac->features;
if (features->device_type == BTN_TOOL_PEN) {
- input_set_abs_params(input_dev, ABS_X, 0, features->x_max,
- features->x_fuzz, 0);
- input_set_abs_params(input_dev, ABS_Y, 0, features->y_max,
- features->y_fuzz, 0);
+ input_set_abs_params(input_dev, ABS_X, features->x_min,
+ features->x_max, features->x_fuzz, 0);
+ input_set_abs_params(input_dev, ABS_Y, features->y_min,
+ features->y_max, features->y_fuzz, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0,
features->pressure_max, features->pressure_fuzz, 0);
@@ -1802,6 +1813,7 @@
case MTSCREEN:
case MTTPC:
+ case MTTPC_B:
case TABLETPC2FG:
if (features->device_type == BTN_TOOL_FINGER) {
unsigned int flags = INPUT_MT_DIRECT;
@@ -2123,11 +2135,11 @@
63, INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
.touch_max = 16 };
static const struct wacom_features wacom_features_0xF4 =
- { "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047,
- 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+ { "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104280, 65400, 2047,
+ 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200 };
static const struct wacom_features wacom_features_0xF8 =
- { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, /* Pen */
- 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+ { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104280, 65400, 2047, /* Pen */
+ 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200,
.oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
static const struct wacom_features wacom_features_0xF6 =
{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
@@ -2142,8 +2154,8 @@
{ "Wacom Cintiq 12WX", WACOM_PKGLEN_INTUOS, 53020, 33440, 1023,
63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0x304 =
- { "Wacom Cintiq 13HD", WACOM_PKGLEN_INTUOS, 59552, 33848, 1023,
- 63, WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+ { "Wacom Cintiq 13HD", WACOM_PKGLEN_INTUOS, 59352, 33648, 1023,
+ 63, WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200 };
static const struct wacom_features wacom_features_0xC7 =
{ "Wacom DTU1931", WACOM_PKGLEN_GRAPHIRE, 37832, 30305, 511,
0, PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -2157,24 +2169,24 @@
{ "Wacom DTU1031", WACOM_PKGLEN_DTUS, 22096, 13960, 511,
0, DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x57 =
- { "Wacom DTK2241", WACOM_PKGLEN_INTUOS, 95840, 54260, 2047,
- 63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES};
+ { "Wacom DTK2241", WACOM_PKGLEN_INTUOS, 95640, 54060, 2047,
+ 63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200 };
static const struct wacom_features wacom_features_0x59 = /* Pen */
- { "Wacom DTH2242", WACOM_PKGLEN_INTUOS, 95840, 54260, 2047,
- 63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+ { "Wacom DTH2242", WACOM_PKGLEN_INTUOS, 95640, 54060, 2047,
+ 63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200,
.oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
static const struct wacom_features wacom_features_0x5D = /* Touch */
{ "Wacom DTH2242", .type = WACOM_24HDT,
.oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10 };
static const struct wacom_features wacom_features_0xCC =
- { "Wacom Cintiq 21UX2", WACOM_PKGLEN_INTUOS, 87200, 65600, 2047,
- 63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+ { "Wacom Cintiq 21UX2", WACOM_PKGLEN_INTUOS, 87000, 65400, 2047,
+ 63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200 };
static const struct wacom_features wacom_features_0xFA =
- { "Wacom Cintiq 22HD", WACOM_PKGLEN_INTUOS, 95840, 54260, 2047,
- 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+ { "Wacom Cintiq 22HD", WACOM_PKGLEN_INTUOS, 95640, 54060, 2047,
+ 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200 };
static const struct wacom_features wacom_features_0x5B =
- { "Wacom Cintiq 22HDT", WACOM_PKGLEN_INTUOS, 95840, 54260, 2047,
- 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+ { "Wacom Cintiq 22HDT", WACOM_PKGLEN_INTUOS, 95640, 54060, 2047,
+ 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200,
.oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
static const struct wacom_features wacom_features_0x5E =
{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
@@ -2233,9 +2245,21 @@
static const struct wacom_features wacom_features_0x10F =
{ "Wacom ISDv4 10F", WACOM_PKGLEN_MTTPC, 27760, 15694, 255,
0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x116 =
+ { "Wacom ISDv4 116", WACOM_PKGLEN_GRAPHIRE, 26202, 16325, 255,
+ 0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x4001 =
{ "Wacom ISDv4 4001", WACOM_PKGLEN_MTTPC, 26202, 16325, 255,
0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x4004 =
+ { "Wacom ISDv4 4004", WACOM_PKGLEN_MTTPC, 11060, 6220, 255,
+ 0, MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x5000 =
+ { "Wacom ISDv4 5000", WACOM_PKGLEN_MTTPC, 27848, 15752, 1023,
+ 0, MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0x5002 =
+ { "Wacom ISDv4 5002", WACOM_PKGLEN_MTTPC, 29576, 16724, 1023,
+ 0, MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x47 =
{ "Wacom Intuos2 6x8", WACOM_PKGLEN_INTUOS, 20320, 16240, 1023,
31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -2316,8 +2340,8 @@
{ "ISD-V4", WACOM_PKGLEN_GRAPHIRE, 12800, 8000, 255,
0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x0307 =
- { "Wacom ISDv5 307", WACOM_PKGLEN_INTUOS, 59552, 33848, 2047,
- 63, CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
+ { "Wacom ISDv5 307", WACOM_PKGLEN_INTUOS, 59352, 33648, 2047,
+ 63, CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 200, 200,
.oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
static const struct wacom_features wacom_features_0x0309 =
{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
@@ -2447,6 +2471,7 @@
{ USB_DEVICE_WACOM(0x10D) },
{ USB_DEVICE_WACOM(0x10E) },
{ USB_DEVICE_WACOM(0x10F) },
+ { USB_DEVICE_WACOM(0x116) },
{ USB_DEVICE_WACOM(0x300) },
{ USB_DEVICE_WACOM(0x301) },
{ USB_DEVICE_DETAILED(0x302, USB_CLASS_HID, 0, 0) },
@@ -2457,6 +2482,9 @@
{ USB_DEVICE_DETAILED(0x315, USB_CLASS_HID, 0, 0) },
{ USB_DEVICE_DETAILED(0x317, USB_CLASS_HID, 0, 0) },
{ USB_DEVICE_WACOM(0x4001) },
+ { USB_DEVICE_WACOM(0x4004) },
+ { USB_DEVICE_WACOM(0x5000) },
+ { USB_DEVICE_WACOM(0x5002) },
{ USB_DEVICE_WACOM(0x47) },
{ USB_DEVICE_WACOM(0xF4) },
{ USB_DEVICE_WACOM(0xF8) },
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index f69c0eb..b2c9a9c 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -22,6 +22,7 @@
#define WACOM_PKGLEN_BBFUN 9
#define WACOM_PKGLEN_INTUOS 10
#define WACOM_PKGLEN_TPC1FG 5
+#define WACOM_PKGLEN_TPC1FG_B 10
#define WACOM_PKGLEN_TPC2FG 14
#define WACOM_PKGLEN_BBTOUCH 20
#define WACOM_PKGLEN_BBTOUCH3 64
@@ -30,6 +31,7 @@
#define WACOM_PKGLEN_MTOUCH 62
#define WACOM_PKGLEN_MTTPC 40
#define WACOM_PKGLEN_DTUS 68
+#define WACOM_PKGLEN_PENABLED 8
/* wacom data size per MT contact */
#define WACOM_BYTES_PER_MT_PACKET 11
@@ -52,6 +54,7 @@
#define WACOM_REPORT_TPC1FG 6
#define WACOM_REPORT_TPC2FG 13
#define WACOM_REPORT_TPCMT 13
+#define WACOM_REPORT_TPCMT2 3
#define WACOM_REPORT_TPCHID 15
#define WACOM_REPORT_TPCST 16
#define WACOM_REPORT_DTUS 17
@@ -105,6 +108,7 @@
TABLETPC2FG,
MTSCREEN,
MTTPC,
+ MTTPC_B,
MAX_TYPE
};
@@ -118,6 +122,8 @@
int type;
int x_resolution;
int y_resolution;
+ int x_min;
+ int y_min;
int device_type;
int x_phy;
int y_phy;
diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c
index 544e20c..0d4a9fa 100644
--- a/drivers/input/touchscreen/88pm860x-ts.c
+++ b/drivers/input/touchscreen/88pm860x-ts.c
@@ -16,6 +16,7 @@
#include <linux/input.h>
#include <linux/mfd/88pm860x.h>
#include <linux/slab.h>
+#include <linux/device.h>
#define MEAS_LEN (8)
#define ACCURATE_BIT (12)
@@ -234,16 +235,17 @@
if (ret)
return ret;
- touch = kzalloc(sizeof(struct pm860x_touch), GFP_KERNEL);
- if (touch == NULL)
+ touch = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_touch),
+ GFP_KERNEL);
+ if (!touch)
return -ENOMEM;
+
platform_set_drvdata(pdev, touch);
- touch->idev = input_allocate_device();
- if (touch->idev == NULL) {
+ touch->idev = devm_input_allocate_device(&pdev->dev);
+ if (!touch->idev) {
dev_err(&pdev->dev, "Failed to allocate input device!\n");
- ret = -ENOMEM;
- goto out;
+ return -ENOMEM;
}
touch->idev->name = "88pm860x-touch";
@@ -258,10 +260,11 @@
touch->res_x = res_x;
input_set_drvdata(touch->idev, touch);
- ret = request_threaded_irq(touch->irq, NULL, pm860x_touch_handler,
- IRQF_ONESHOT, "touch", touch);
+ ret = devm_request_threaded_irq(&pdev->dev, touch->irq, NULL,
+ pm860x_touch_handler, IRQF_ONESHOT,
+ "touch", touch);
if (ret < 0)
- goto out_irq;
+ return ret;
__set_bit(EV_ABS, touch->idev->evbit);
__set_bit(ABS_X, touch->idev->absbit);
@@ -279,28 +282,11 @@
ret = input_register_device(touch->idev);
if (ret < 0) {
dev_err(chip->dev, "Failed to register touch!\n");
- goto out_rg;
+ return ret;
}
platform_set_drvdata(pdev, touch);
return 0;
-out_rg:
- free_irq(touch->irq, touch);
-out_irq:
- input_free_device(touch->idev);
-out:
- kfree(touch);
- return ret;
-}
-
-static int pm860x_touch_remove(struct platform_device *pdev)
-{
- struct pm860x_touch *touch = platform_get_drvdata(pdev);
-
- input_unregister_device(touch->idev);
- free_irq(touch->irq, touch);
- kfree(touch);
- return 0;
}
static struct platform_driver pm860x_touch_driver = {
@@ -309,7 +295,6 @@
.owner = THIS_MODULE,
},
.probe = pm860x_touch_probe,
- .remove = pm860x_touch_remove,
};
module_platform_driver(pm860x_touch_driver);
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index d4e5ab5..a23a94b 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -11,6 +11,10 @@
if INPUT_TOUCHSCREEN
+config OF_TOUCHSCREEN
+ def_tristate INPUT
+ depends on INPUT && OF
+
config TOUCHSCREEN_88PM860X
tristate "Marvell 88PM860x touchscreen"
depends on MFD_88PM860X
@@ -89,6 +93,7 @@
config TOUCHSCREEN_ATMEL_MXT
tristate "Atmel mXT I2C Touchscreen"
depends on I2C
+ select FW_LOADER
help
Say Y here if you have Atmel mXT series I2C touchscreen,
such as AT42QT602240/ATMXT224, connected to your system.
@@ -846,7 +851,7 @@
config TOUCHSCREEN_W90X900
tristate "W90P910 touchscreen driver"
- depends on HAVE_CLK
+ depends on ARCH_W90X900
help
Say Y here if you have a W90P910 based touchscreen.
@@ -885,6 +890,17 @@
To compile this driver as a module, choose M here: the
module will be called stmpe-ts.
+config TOUCHSCREEN_SUN4I
+ tristate "Allwinner sun4i resistive touchscreen controller support"
+ depends on ARCH_SUNXI || COMPILE_TEST
+ depends on HWMON
+ help
+ This selects support for the resistive touchscreen controller
+ found on Allwinner sunxi SoCs.
+
+ To compile this driver as a module, choose M here: the
+ module will be called sun4i-ts.
+
config TOUCHSCREEN_SUR40
tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen"
depends on USB
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 03f12a1..126479d 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -6,6 +6,7 @@
wm97xx-ts-y := wm97xx-core.o
+obj-$(CONFIG_OF_TOUCHSCREEN) += of_touchscreen.o
obj-$(CONFIG_TOUCHSCREEN_88PM860X) += 88pm860x-ts.o
obj-$(CONFIG_TOUCHSCREEN_AD7877) += ad7877.o
obj-$(CONFIG_TOUCHSCREEN_AD7879) += ad7879.o
@@ -53,6 +54,7 @@
obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o
obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
+obj-$(CONFIG_TOUCHSCREEN_SUN4I) += sun4i-ts.o
obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o
obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index 6793c85..523865d 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -210,11 +210,6 @@
module_param(gpio3, bool, 0);
MODULE_PARM_DESC(gpio3, "If gpio3 is set to 1 AUX3 acts as GPIO3");
-/*
- * ad7877_read/write are only used for initial setup and for sysfs controls.
- * The main traffic is done using spi_async() in the interrupt handler.
- */
-
static int ad7877_read(struct spi_device *spi, u16 reg)
{
struct ser_req *req;
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 7f8aa98..da201b8 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -706,7 +706,7 @@
m = &ts->msg[msg_idx];
error = spi_sync(ts->spi, m);
if (error) {
- dev_err(&ts->spi->dev, "spi_async --> %d\n", error);
+ dev_err(&ts->spi->dev, "spi_sync --> %d\n", error);
packet->tc.ignore = true;
return;
}
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index a704007..6e0b4a2 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2,6 +2,8 @@
* Atmel maXTouch Touchscreen driver
*
* Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Copyright (C) 2012 Google, Inc.
+ *
* Author: Joonyoung Shim <jy0922.shim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
@@ -12,6 +14,8 @@
*/
#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
@@ -25,12 +29,6 @@
#define MXT_VER_21 21
#define MXT_VER_22 22
-/* Slave addresses */
-#define MXT_APP_LOW 0x4a
-#define MXT_APP_HIGH 0x4b
-#define MXT_BOOT_LOW 0x24
-#define MXT_BOOT_HIGH 0x25
-
/* Firmware */
#define MXT_FW_NAME "maxtouch.fw"
@@ -83,6 +81,9 @@
#define MXT_COMMAND_REPORTALL 3
#define MXT_COMMAND_DIAGNOSTIC 5
+/* Define for T6 status byte */
+#define MXT_T6_STATUS_RESET (1 << 7)
+
/* MXT_GEN_POWER_T7 field */
#define MXT_POWER_IDLEACQINT 0
#define MXT_POWER_ACTVACQINT 1
@@ -99,33 +100,26 @@
/* MXT_TOUCH_MULTI_T9 field */
#define MXT_TOUCH_CTRL 0
-#define MXT_TOUCH_XORIGIN 1
-#define MXT_TOUCH_YORIGIN 2
-#define MXT_TOUCH_XSIZE 3
-#define MXT_TOUCH_YSIZE 4
-#define MXT_TOUCH_BLEN 6
-#define MXT_TOUCH_TCHTHR 7
-#define MXT_TOUCH_TCHDI 8
-#define MXT_TOUCH_ORIENT 9
-#define MXT_TOUCH_MOVHYSTI 11
-#define MXT_TOUCH_MOVHYSTN 12
-#define MXT_TOUCH_NUMTOUCH 14
-#define MXT_TOUCH_MRGHYST 15
-#define MXT_TOUCH_MRGTHR 16
-#define MXT_TOUCH_AMPHYST 17
-#define MXT_TOUCH_XRANGE_LSB 18
-#define MXT_TOUCH_XRANGE_MSB 19
-#define MXT_TOUCH_YRANGE_LSB 20
-#define MXT_TOUCH_YRANGE_MSB 21
-#define MXT_TOUCH_XLOCLIP 22
-#define MXT_TOUCH_XHICLIP 23
-#define MXT_TOUCH_YLOCLIP 24
-#define MXT_TOUCH_YHICLIP 25
-#define MXT_TOUCH_XEDGECTRL 26
-#define MXT_TOUCH_XEDGEDIST 27
-#define MXT_TOUCH_YEDGECTRL 28
-#define MXT_TOUCH_YEDGEDIST 29
-#define MXT_TOUCH_JUMPLIMIT 30
+#define MXT_T9_ORIENT 9
+#define MXT_T9_RANGE 18
+
+/* MXT_TOUCH_MULTI_T9 status */
+#define MXT_T9_UNGRIP (1 << 0)
+#define MXT_T9_SUPPRESS (1 << 1)
+#define MXT_T9_AMP (1 << 2)
+#define MXT_T9_VECTOR (1 << 3)
+#define MXT_T9_MOVE (1 << 4)
+#define MXT_T9_RELEASE (1 << 5)
+#define MXT_T9_PRESS (1 << 6)
+#define MXT_T9_DETECT (1 << 7)
+
+struct t9_range {
+ u16 x;
+ u16 y;
+} __packed;
+
+/* MXT_TOUCH_MULTI_T9 orient */
+#define MXT_T9_ORIENT_SWITCH (1 << 0)
/* MXT_PROCI_GRIPFACE_T20 field */
#define MXT_GRIPFACE_CTRL 0
@@ -174,17 +168,16 @@
/* Define for MXT_GEN_COMMAND_T6 */
#define MXT_BOOT_VALUE 0xa5
+#define MXT_RESET_VALUE 0x01
#define MXT_BACKUP_VALUE 0x55
+
+/* Delay times */
#define MXT_BACKUP_TIME 50 /* msec */
#define MXT_RESET_TIME 200 /* msec */
-
-#define MXT_FWRESET_TIME 175 /* msec */
-
-/* MXT_SPT_GPIOPWM_T19 field */
-#define MXT_GPIO0_MASK 0x04
-#define MXT_GPIO1_MASK 0x08
-#define MXT_GPIO2_MASK 0x10
-#define MXT_GPIO3_MASK 0x20
+#define MXT_RESET_TIMEOUT 3000 /* msec */
+#define MXT_CRC_TIMEOUT 1000 /* msec */
+#define MXT_FW_RESET_TIME 3000 /* msec */
+#define MXT_FW_CHG_TIMEOUT 300 /* msec */
/* Command to unlock bootloader */
#define MXT_UNLOCK_CMD_MSB 0xaa
@@ -198,21 +191,8 @@
#define MXT_FRAME_CRC_PASS 0x04
#define MXT_APP_CRC_FAIL 0x40 /* valid 7 8 bit only */
#define MXT_BOOT_STATUS_MASK 0x3f
-
-/* Touch status */
-#define MXT_UNGRIP (1 << 0)
-#define MXT_SUPPRESS (1 << 1)
-#define MXT_AMP (1 << 2)
-#define MXT_VECTOR (1 << 3)
-#define MXT_MOVE (1 << 4)
-#define MXT_RELEASE (1 << 5)
-#define MXT_PRESS (1 << 6)
-#define MXT_DETECT (1 << 7)
-
-/* Touch orient bits */
-#define MXT_XY_SWITCH (1 << 0)
-#define MXT_X_INVERT (1 << 1)
-#define MXT_Y_INVERT (1 << 2)
+#define MXT_BOOT_EXTENDED_ID (1 << 5)
+#define MXT_BOOT_ID_MASK 0x1f
/* Touchscreen absolute values */
#define MXT_MAX_AREA 0xff
@@ -232,8 +212,8 @@
struct mxt_object {
u8 type;
u16 start_address;
- u8 size; /* Size of each instance - 1 */
- u8 instances; /* Number of instances - 1 */
+ u8 size_minus_one;
+ u8 instances_minus_one;
u8 num_report_ids;
} __packed;
@@ -250,19 +230,40 @@
const struct mxt_platform_data *pdata;
struct mxt_object *object_table;
struct mxt_info info;
- bool is_tp;
-
unsigned int irq;
unsigned int max_x;
unsigned int max_y;
+ bool in_bootloader;
+ u32 config_crc;
+ u8 bootloader_addr;
/* Cached parameters from object table */
u8 T6_reportid;
+ u16 T6_address;
u8 T9_reportid_min;
u8 T9_reportid_max;
u8 T19_reportid;
+
+ /* for fw update in bootloader */
+ struct completion bl_completion;
+
+ /* for reset handling */
+ struct completion reset_completion;
+
+ /* for config update handling */
+ struct completion crc_completion;
};
+static size_t mxt_obj_size(const struct mxt_object *obj)
+{
+ return obj->size_minus_one + 1;
+}
+
+static size_t mxt_obj_instances(const struct mxt_object *obj)
+{
+ return obj->instances_minus_one + 1;
+}
+
static bool mxt_object_readable(unsigned int type)
{
switch (type) {
@@ -334,60 +335,190 @@
message->reportid, 7, message->message);
}
-static int mxt_check_bootloader(struct i2c_client *client,
- unsigned int state)
+static int mxt_wait_for_completion(struct mxt_data *data,
+ struct completion *comp,
+ unsigned int timeout_ms)
{
+ struct device *dev = &data->client->dev;
+ unsigned long timeout = msecs_to_jiffies(timeout_ms);
+ long ret;
+
+ ret = wait_for_completion_interruptible_timeout(comp, timeout);
+ if (ret < 0) {
+ return ret;
+ } else if (ret == 0) {
+ dev_err(dev, "Wait for completion timed out.\n");
+ return -ETIMEDOUT;
+ }
+ return 0;
+}
+
+static int mxt_bootloader_read(struct mxt_data *data,
+ u8 *val, unsigned int count)
+{
+ int ret;
+ struct i2c_msg msg;
+
+ msg.addr = data->bootloader_addr;
+ msg.flags = data->client->flags & I2C_M_TEN;
+ msg.flags |= I2C_M_RD;
+ msg.len = count;
+ msg.buf = val;
+
+ ret = i2c_transfer(data->client->adapter, &msg, 1);
+
+ if (ret == 1) {
+ ret = 0;
+ } else {
+ ret = ret < 0 ? ret : -EIO;
+ dev_err(&data->client->dev, "%s: i2c recv failed (%d)\n",
+ __func__, ret);
+ }
+
+ return ret;
+}
+
+static int mxt_bootloader_write(struct mxt_data *data,
+ const u8 * const val, unsigned int count)
+{
+ int ret;
+ struct i2c_msg msg;
+
+ msg.addr = data->bootloader_addr;
+ msg.flags = data->client->flags & I2C_M_TEN;
+ msg.len = count;
+ msg.buf = (u8 *)val;
+
+ ret = i2c_transfer(data->client->adapter, &msg, 1);
+ if (ret == 1) {
+ ret = 0;
+ } else {
+ ret = ret < 0 ? ret : -EIO;
+ dev_err(&data->client->dev, "%s: i2c send failed (%d)\n",
+ __func__, ret);
+ }
+
+ return ret;
+}
+
+static int mxt_lookup_bootloader_address(struct mxt_data *data)
+{
+ u8 appmode = data->client->addr;
+ u8 bootloader;
+
+ switch (appmode) {
+ case 0x4a:
+ case 0x4b:
+ case 0x4c:
+ case 0x4d:
+ case 0x5a:
+ case 0x5b:
+ bootloader = appmode - 0x26;
+ break;
+ default:
+ dev_err(&data->client->dev,
+ "Appmode i2c address 0x%02x not found\n",
+ appmode);
+ return -EINVAL;
+ }
+
+ data->bootloader_addr = bootloader;
+ return 0;
+}
+
+static u8 mxt_get_bootloader_version(struct mxt_data *data, u8 val)
+{
+ struct device *dev = &data->client->dev;
+ u8 buf[3];
+
+ if (val & MXT_BOOT_EXTENDED_ID) {
+ if (mxt_bootloader_read(data, &buf[0], 3) != 0) {
+ dev_err(dev, "%s: i2c failure\n", __func__);
+ return val;
+ }
+
+ dev_dbg(dev, "Bootloader ID:%d Version:%d\n", buf[1], buf[2]);
+
+ return buf[0];
+ } else {
+ dev_dbg(dev, "Bootloader ID:%d\n", val & MXT_BOOT_ID_MASK);
+
+ return val;
+ }
+}
+
+static int mxt_check_bootloader(struct mxt_data *data, unsigned int state)
+{
+ struct device *dev = &data->client->dev;
u8 val;
+ int ret;
recheck:
- if (i2c_master_recv(client, &val, 1) != 1) {
- dev_err(&client->dev, "%s: i2c recv failed\n", __func__);
- return -EIO;
+ if (state != MXT_WAITING_BOOTLOAD_CMD) {
+ /*
+ * In application update mode, the interrupt
+ * line signals state transitions. We must wait for the
+ * CHG assertion before reading the status byte.
+ * Once the status byte has been read, the line is deasserted.
+ */
+ ret = mxt_wait_for_completion(data, &data->bl_completion,
+ MXT_FW_CHG_TIMEOUT);
+ if (ret) {
+ /*
+ * TODO: handle -ERESTARTSYS better by terminating
+ * fw update process before returning to userspace
+ * by writing length 0x000 to device (iff we are in
+ * WAITING_FRAME_DATA state).
+ */
+ dev_err(dev, "Update wait error %d\n", ret);
+ return ret;
+ }
}
+ ret = mxt_bootloader_read(data, &val, 1);
+ if (ret)
+ return ret;
+
+ if (state == MXT_WAITING_BOOTLOAD_CMD)
+ val = mxt_get_bootloader_version(data, val);
+
switch (state) {
case MXT_WAITING_BOOTLOAD_CMD:
case MXT_WAITING_FRAME_DATA:
val &= ~MXT_BOOT_STATUS_MASK;
break;
case MXT_FRAME_CRC_PASS:
- if (val == MXT_FRAME_CRC_CHECK)
+ if (val == MXT_FRAME_CRC_CHECK) {
goto recheck;
+ } else if (val == MXT_FRAME_CRC_FAIL) {
+ dev_err(dev, "Bootloader CRC fail\n");
+ return -EINVAL;
+ }
break;
default:
return -EINVAL;
}
if (val != state) {
- dev_err(&client->dev, "Unvalid bootloader mode state\n");
+ dev_err(dev, "Invalid bootloader state %02X != %02X\n",
+ val, state);
return -EINVAL;
}
return 0;
}
-static int mxt_unlock_bootloader(struct i2c_client *client)
+static int mxt_unlock_bootloader(struct mxt_data *data)
{
+ int ret;
u8 buf[2];
buf[0] = MXT_UNLOCK_CMD_LSB;
buf[1] = MXT_UNLOCK_CMD_MSB;
- if (i2c_master_send(client, buf, 2) != 2) {
- dev_err(&client->dev, "%s: i2c send failed\n", __func__);
- return -EIO;
- }
-
- return 0;
-}
-
-static int mxt_fw_write(struct i2c_client *client,
- const u8 *data, unsigned int frame_size)
-{
- if (i2c_master_send(client, data, frame_size) != frame_size) {
- dev_err(&client->dev, "%s: i2c send failed\n", __func__);
- return -EIO;
- }
+ ret = mxt_bootloader_write(data, buf, 2);
+ if (ret)
+ return ret;
return 0;
}
@@ -427,11 +558,6 @@
return ret;
}
-static int mxt_read_reg(struct i2c_client *client, u16 reg, u8 *val)
-{
- return __mxt_read_reg(client, reg, 1, val);
-}
-
static int __mxt_write_reg(struct i2c_client *client, u16 reg, u16 len,
const void *val)
{
@@ -479,7 +605,7 @@
return object;
}
- dev_err(&data->client->dev, "Invalid object type\n");
+ dev_err(&data->client->dev, "Invalid object type T%u\n", type);
return NULL;
}
@@ -505,7 +631,7 @@
u16 reg;
object = mxt_get_object(data, type);
- if (!object || offset >= object->size + 1)
+ if (!object || offset >= mxt_obj_size(object))
return -EINVAL;
reg = object->start_address;
@@ -515,18 +641,25 @@
static void mxt_input_button(struct mxt_data *data, struct mxt_message *message)
{
struct input_dev *input = data->input_dev;
+ const struct mxt_platform_data *pdata = data->pdata;
bool button;
int i;
/* Active-low switch */
- for (i = 0; i < MXT_NUM_GPIO; i++) {
- if (data->pdata->key_map[i] == KEY_RESERVED)
+ for (i = 0; i < pdata->t19_num_keys; i++) {
+ if (pdata->t19_keymap[i] == KEY_RESERVED)
continue;
- button = !(message->message[0] & MXT_GPIO0_MASK << i);
- input_report_key(input, data->pdata->key_map[i], button);
+ button = !(message->message[0] & (1 << i));
+ input_report_key(input, pdata->t19_keymap[i], button);
}
}
+static void mxt_input_sync(struct input_dev *input_dev)
+{
+ input_mt_report_pointer_emulation(input_dev, false);
+ input_sync(input_dev);
+}
+
static void mxt_input_touchevent(struct mxt_data *data,
struct mxt_message *message, int id)
{
@@ -536,44 +669,60 @@
int x;
int y;
int area;
- int pressure;
+ int amplitude;
x = (message->message[1] << 4) | ((message->message[3] >> 4) & 0xf);
y = (message->message[2] << 4) | ((message->message[3] & 0xf));
+
+ /* Handle 10/12 bit switching */
if (data->max_x < 1024)
- x = x >> 2;
+ x >>= 2;
if (data->max_y < 1024)
- y = y >> 2;
+ y >>= 2;
area = message->message[4];
- pressure = message->message[5];
+ amplitude = message->message[5];
dev_dbg(dev,
"[%u] %c%c%c%c%c%c%c%c x: %5u y: %5u area: %3u amp: %3u\n",
id,
- (status & MXT_DETECT) ? 'D' : '.',
- (status & MXT_PRESS) ? 'P' : '.',
- (status & MXT_RELEASE) ? 'R' : '.',
- (status & MXT_MOVE) ? 'M' : '.',
- (status & MXT_VECTOR) ? 'V' : '.',
- (status & MXT_AMP) ? 'A' : '.',
- (status & MXT_SUPPRESS) ? 'S' : '.',
- (status & MXT_UNGRIP) ? 'U' : '.',
- x, y, area, pressure);
+ (status & MXT_T9_DETECT) ? 'D' : '.',
+ (status & MXT_T9_PRESS) ? 'P' : '.',
+ (status & MXT_T9_RELEASE) ? 'R' : '.',
+ (status & MXT_T9_MOVE) ? 'M' : '.',
+ (status & MXT_T9_VECTOR) ? 'V' : '.',
+ (status & MXT_T9_AMP) ? 'A' : '.',
+ (status & MXT_T9_SUPPRESS) ? 'S' : '.',
+ (status & MXT_T9_UNGRIP) ? 'U' : '.',
+ x, y, area, amplitude);
input_mt_slot(input_dev, id);
- input_mt_report_slot_state(input_dev, MT_TOOL_FINGER,
- status & MXT_DETECT);
- if (status & MXT_DETECT) {
+ if (status & MXT_T9_DETECT) {
+ /*
+ * Multiple bits may be set if the host is slow to read
+ * the status messages, indicating all the events that
+ * have happened.
+ */
+ if (status & MXT_T9_RELEASE) {
+ input_mt_report_slot_state(input_dev,
+ MT_TOOL_FINGER, 0);
+ mxt_input_sync(input_dev);
+ }
+
+ /* Touch active */
+ input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 1);
input_report_abs(input_dev, ABS_MT_POSITION_X, x);
input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
- input_report_abs(input_dev, ABS_MT_PRESSURE, pressure);
+ input_report_abs(input_dev, ABS_MT_PRESSURE, amplitude);
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area);
+ } else {
+ /* Touch no longer active, close out slot */
+ input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 0);
}
}
-static unsigned mxt_extract_T6_csum(const u8 *csum)
+static u16 mxt_extract_T6_csum(const u8 *csum)
{
return csum[0] | (csum[1] << 8) | (csum[2] << 16);
}
@@ -584,28 +733,37 @@
return (id >= data->T9_reportid_min && id <= data->T9_reportid_max);
}
-static irqreturn_t mxt_interrupt(int irq, void *dev_id)
+static irqreturn_t mxt_process_messages_until_invalid(struct mxt_data *data)
{
- struct mxt_data *data = dev_id;
struct mxt_message message;
const u8 *payload = &message.message[0];
struct device *dev = &data->client->dev;
u8 reportid;
bool update_input = false;
+ u32 crc;
do {
if (mxt_read_message(data, &message)) {
dev_err(dev, "Failed to read message\n");
- goto end;
+ return IRQ_NONE;
}
reportid = message.reportid;
if (reportid == data->T6_reportid) {
u8 status = payload[0];
- unsigned csum = mxt_extract_T6_csum(&payload[1]);
+
+ crc = mxt_extract_T6_csum(&payload[1]);
+ if (crc != data->config_crc) {
+ data->config_crc = crc;
+ complete(&data->crc_completion);
+ }
+
dev_dbg(dev, "Status: %02x Config Checksum: %06x\n",
- status, csum);
+ status, data->config_crc);
+
+ if (status & MXT_T6_STATUS_RESET)
+ complete(&data->reset_completion);
} else if (mxt_is_T9_message(data, &message)) {
int id = reportid - data->T9_reportid_min;
mxt_input_touchevent(data, &message, id);
@@ -618,13 +776,94 @@
}
} while (reportid != 0xff);
- if (update_input) {
- input_mt_report_pointer_emulation(data->input_dev, false);
- input_sync(data->input_dev);
+ if (update_input)
+ mxt_input_sync(data->input_dev);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t mxt_interrupt(int irq, void *dev_id)
+{
+ struct mxt_data *data = dev_id;
+
+ if (data->in_bootloader) {
+ /* bootloader state transition completion */
+ complete(&data->bl_completion);
+ return IRQ_HANDLED;
}
-end:
- return IRQ_HANDLED;
+ return mxt_process_messages_until_invalid(data);
+}
+
+static int mxt_t6_command(struct mxt_data *data, u16 cmd_offset,
+ u8 value, bool wait)
+{
+ u16 reg;
+ u8 command_register;
+ int timeout_counter = 0;
+ int ret;
+
+ reg = data->T6_address + cmd_offset;
+
+ ret = mxt_write_reg(data->client, reg, value);
+ if (ret)
+ return ret;
+
+ if (!wait)
+ return 0;
+
+ do {
+ msleep(20);
+ ret = __mxt_read_reg(data->client, reg, 1, &command_register);
+ if (ret)
+ return ret;
+ } while (command_register != 0 && timeout_counter++ <= 100);
+
+ if (timeout_counter > 100) {
+ dev_err(&data->client->dev, "Command failed!\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int mxt_soft_reset(struct mxt_data *data)
+{
+ struct device *dev = &data->client->dev;
+ int ret = 0;
+
+ dev_info(dev, "Resetting chip\n");
+
+ reinit_completion(&data->reset_completion);
+
+ ret = mxt_t6_command(data, MXT_COMMAND_RESET, MXT_RESET_VALUE, false);
+ if (ret)
+ return ret;
+
+ ret = mxt_wait_for_completion(data, &data->reset_completion,
+ MXT_RESET_TIMEOUT);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void mxt_update_crc(struct mxt_data *data, u8 cmd, u8 value)
+{
+ /*
+ * On failure, CRC is set to 0 and config will always be
+ * downloaded.
+ */
+ data->config_crc = 0;
+ reinit_completion(&data->crc_completion);
+
+ mxt_t6_command(data, cmd, value, true);
+
+ /*
+ * Wait for crc message. On failure, CRC is set to 0 and config will
+ * always be downloaded.
+ */
+ mxt_wait_for_completion(data, &data->crc_completion, MXT_CRC_TIMEOUT);
}
static int mxt_check_reg_init(struct mxt_data *data)
@@ -641,13 +880,23 @@
return 0;
}
+ mxt_update_crc(data, MXT_COMMAND_REPORTALL, 1);
+
+ if (data->config_crc == pdata->config_crc) {
+ dev_info(dev, "Config CRC 0x%06X: OK\n", data->config_crc);
+ return 0;
+ }
+
+ dev_info(dev, "Config CRC 0x%06X: does not match 0x%06X\n",
+ data->config_crc, pdata->config_crc);
+
for (i = 0; i < data->info.object_num; i++) {
object = data->object_table + i;
if (!mxt_object_writable(object->type))
continue;
- size = (object->size + 1) * (object->instances + 1);
+ size = mxt_obj_size(object) * mxt_obj_instances(object);
if (index + size > pdata->config_length) {
dev_err(dev, "Not enough config data!\n");
return -EINVAL;
@@ -660,6 +909,14 @@
index += size;
}
+ mxt_update_crc(data, MXT_COMMAND_BACKUPNV, MXT_BACKUP_VALUE);
+
+ ret = mxt_soft_reset(data);
+ if (ret)
+ return ret;
+
+ dev_info(dev, "Config successfully updated\n");
+
return 0;
}
@@ -685,54 +942,6 @@
return 0;
}
-static void mxt_handle_pdata(struct mxt_data *data)
-{
- const struct mxt_platform_data *pdata = data->pdata;
- u8 voltage;
-
- /* Set touchscreen lines */
- mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_TOUCH_XSIZE,
- pdata->x_line);
- mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_TOUCH_YSIZE,
- pdata->y_line);
-
- /* Set touchscreen orient */
- mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_TOUCH_ORIENT,
- pdata->orient);
-
- /* Set touchscreen burst length */
- mxt_write_object(data, MXT_TOUCH_MULTI_T9,
- MXT_TOUCH_BLEN, pdata->blen);
-
- /* Set touchscreen threshold */
- mxt_write_object(data, MXT_TOUCH_MULTI_T9,
- MXT_TOUCH_TCHTHR, pdata->threshold);
-
- /* Set touchscreen resolution */
- mxt_write_object(data, MXT_TOUCH_MULTI_T9,
- MXT_TOUCH_XRANGE_LSB, (pdata->x_size - 1) & 0xff);
- mxt_write_object(data, MXT_TOUCH_MULTI_T9,
- MXT_TOUCH_XRANGE_MSB, (pdata->x_size - 1) >> 8);
- mxt_write_object(data, MXT_TOUCH_MULTI_T9,
- MXT_TOUCH_YRANGE_LSB, (pdata->y_size - 1) & 0xff);
- mxt_write_object(data, MXT_TOUCH_MULTI_T9,
- MXT_TOUCH_YRANGE_MSB, (pdata->y_size - 1) >> 8);
-
- /* Set touchscreen voltage */
- if (pdata->voltage) {
- if (pdata->voltage < MXT_VOLTAGE_DEFAULT) {
- voltage = (MXT_VOLTAGE_DEFAULT - pdata->voltage) /
- MXT_VOLTAGE_STEP;
- voltage = 0xff - voltage + 1;
- } else
- voltage = (pdata->voltage - MXT_VOLTAGE_DEFAULT) /
- MXT_VOLTAGE_STEP;
-
- mxt_write_object(data, MXT_SPT_CTECONFIG_T28,
- MXT_CTE_VOLTAGE, voltage);
- }
-}
-
static int mxt_get_info(struct mxt_data *data)
{
struct i2c_client *client = data->client;
@@ -772,7 +981,7 @@
if (object->num_report_ids) {
min_id = reportid;
reportid += object->num_report_ids *
- (object->instances + 1);
+ mxt_obj_instances(object);
max_id = reportid - 1;
} else {
min_id = 0;
@@ -780,13 +989,15 @@
}
dev_dbg(&data->client->dev,
- "Type %2d Start %3d Size %3d Instances %2d ReportIDs %3u : %3u\n",
- object->type, object->start_address, object->size + 1,
- object->instances + 1, min_id, max_id);
+ "T%u Start:%u Size:%zu Instances:%zu Report IDs:%u-%u\n",
+ object->type, object->start_address,
+ mxt_obj_size(object), mxt_obj_instances(object),
+ min_id, max_id);
switch (object->type) {
case MXT_GEN_COMMAND_T6:
data->T6_reportid = min_id;
+ data->T6_address = object->start_address;
break;
case MXT_TOUCH_MULTI_T9:
data->T9_reportid_min = min_id;
@@ -811,12 +1022,59 @@
data->T19_reportid = 0;
}
+static int mxt_read_t9_resolution(struct mxt_data *data)
+{
+ struct i2c_client *client = data->client;
+ int error;
+ struct t9_range range;
+ unsigned char orient;
+ struct mxt_object *object;
+
+ object = mxt_get_object(data, MXT_TOUCH_MULTI_T9);
+ if (!object)
+ return -EINVAL;
+
+ error = __mxt_read_reg(client,
+ object->start_address + MXT_T9_RANGE,
+ sizeof(range), &range);
+ if (error)
+ return error;
+
+ le16_to_cpus(&range.x);
+ le16_to_cpus(&range.y);
+
+ error = __mxt_read_reg(client,
+ object->start_address + MXT_T9_ORIENT,
+ 1, &orient);
+ if (error)
+ return error;
+
+ /* Handle default values */
+ if (range.x == 0)
+ range.x = 1023;
+
+ if (range.y == 0)
+ range.y = 1023;
+
+ if (orient & MXT_T9_ORIENT_SWITCH) {
+ data->max_x = range.y;
+ data->max_y = range.x;
+ } else {
+ data->max_x = range.x;
+ data->max_y = range.y;
+ }
+
+ dev_dbg(&client->dev,
+ "Touchscreen size X%uY%u\n", data->max_x, data->max_y);
+
+ return 0;
+}
+
static int mxt_initialize(struct mxt_data *data)
{
struct i2c_client *client = data->client;
struct mxt_info *info = &data->info;
int error;
- u8 val;
error = mxt_get_info(data);
if (error)
@@ -832,47 +1090,29 @@
/* Get object table information */
error = mxt_get_object_table(data);
- if (error)
+ if (error) {
+ dev_err(&client->dev, "Error %d reading object table\n", error);
goto err_free_object_table;
+ }
/* Check register init values */
error = mxt_check_reg_init(data);
- if (error)
+ if (error) {
+ dev_err(&client->dev, "Error %d initializing configuration\n",
+ error);
goto err_free_object_table;
+ }
- mxt_handle_pdata(data);
-
- /* Backup to memory */
- mxt_write_object(data, MXT_GEN_COMMAND_T6,
- MXT_COMMAND_BACKUPNV,
- MXT_BACKUP_VALUE);
- msleep(MXT_BACKUP_TIME);
-
- /* Soft reset */
- mxt_write_object(data, MXT_GEN_COMMAND_T6,
- MXT_COMMAND_RESET, 1);
- msleep(MXT_RESET_TIME);
-
- /* Update matrix size at info struct */
- error = mxt_read_reg(client, MXT_MATRIX_X_SIZE, &val);
- if (error)
+ error = mxt_read_t9_resolution(data);
+ if (error) {
+ dev_err(&client->dev, "Failed to initialize T9 resolution\n");
goto err_free_object_table;
- info->matrix_xsize = val;
-
- error = mxt_read_reg(client, MXT_MATRIX_Y_SIZE, &val);
- if (error)
- goto err_free_object_table;
- info->matrix_ysize = val;
+ }
dev_info(&client->dev,
- "Family ID: %u Variant ID: %u Major.Minor.Build: %u.%u.%02X\n",
- info->family_id, info->variant_id, info->version >> 4,
- info->version & 0xf, info->build);
-
- dev_info(&client->dev,
- "Matrix X Size: %u Matrix Y Size: %u Object Num: %u\n",
- info->matrix_xsize, info->matrix_ysize,
- info->object_num);
+ "Family: %u Variant: %u Firmware V%u.%u.%02X Objects: %u\n",
+ info->family_id, info->variant_id, info->version >> 4,
+ info->version & 0xf, info->build, info->object_num);
return 0;
@@ -881,20 +1121,6 @@
return error;
}
-static void mxt_calc_resolution(struct mxt_data *data)
-{
- unsigned int max_x = data->pdata->x_size - 1;
- unsigned int max_y = data->pdata->y_size - 1;
-
- if (data->pdata->orient & MXT_XY_SWITCH) {
- data->max_x = max_y;
- data->max_y = max_x;
- } else {
- data->max_x = max_x;
- data->max_y = max_y;
- }
-}
-
/* Firmware Version is returned as Major.Minor.Build */
static ssize_t mxt_fw_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -921,11 +1147,11 @@
{
int i;
- if (object->instances > 0)
+ if (mxt_obj_instances(object) > 1)
count += scnprintf(buf + count, PAGE_SIZE - count,
"Instance %u\n", instance);
- for (i = 0; i < object->size + 1; i++)
+ for (i = 0; i < mxt_obj_size(object); i++)
count += scnprintf(buf + count, PAGE_SIZE - count,
"\t[%2u]: %02x (%d)\n", i, val[i], val[i]);
count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
@@ -958,8 +1184,8 @@
count += scnprintf(buf + count, PAGE_SIZE - count,
"T%u:\n", object->type);
- for (j = 0; j < object->instances + 1; j++) {
- u16 size = object->size + 1;
+ for (j = 0; j < mxt_obj_instances(object); j++) {
+ u16 size = mxt_obj_size(object);
u16 addr = object->start_address + j * size;
error = __mxt_read_reg(data->client, addr, size, obuf);
@@ -975,13 +1201,38 @@
return error ?: count;
}
+static int mxt_check_firmware_format(struct device *dev,
+ const struct firmware *fw)
+{
+ unsigned int pos = 0;
+ char c;
+
+ while (pos < fw->size) {
+ c = *(fw->data + pos);
+
+ if (c < '0' || (c > '9' && c < 'A') || c > 'F')
+ return 0;
+
+ pos++;
+ }
+
+ /*
+ * To convert file try:
+ * xxd -r -p mXTXXX__APP_VX-X-XX.enc > maxtouch.fw
+ */
+ dev_err(dev, "Aborting: firmware file must be in binary format\n");
+
+ return -EINVAL;
+}
+
static int mxt_load_fw(struct device *dev, const char *fn)
{
struct mxt_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
const struct firmware *fw = NULL;
unsigned int frame_size;
unsigned int pos = 0;
+ unsigned int retry = 0;
+ unsigned int frame = 0;
int ret;
ret = request_firmware(&fw, fn, dev);
@@ -990,59 +1241,91 @@
return ret;
}
+ /* Check for incorrect enc file */
+ ret = mxt_check_firmware_format(dev, fw);
+ if (ret)
+ goto release_firmware;
+
+ ret = mxt_lookup_bootloader_address(data);
+ if (ret)
+ goto release_firmware;
+
/* Change to the bootloader mode */
- mxt_write_object(data, MXT_GEN_COMMAND_T6,
- MXT_COMMAND_RESET, MXT_BOOT_VALUE);
+ data->in_bootloader = true;
+
+ ret = mxt_t6_command(data, MXT_COMMAND_RESET, MXT_BOOT_VALUE, false);
+ if (ret)
+ goto release_firmware;
+
msleep(MXT_RESET_TIME);
- /* Change to slave address of bootloader */
- if (client->addr == MXT_APP_LOW)
- client->addr = MXT_BOOT_LOW;
- else
- client->addr = MXT_BOOT_HIGH;
+ reinit_completion(&data->bl_completion);
- ret = mxt_check_bootloader(client, MXT_WAITING_BOOTLOAD_CMD);
+ ret = mxt_check_bootloader(data, MXT_WAITING_BOOTLOAD_CMD);
if (ret)
- goto out;
+ goto disable_irq;
/* Unlock bootloader */
- mxt_unlock_bootloader(client);
+ mxt_unlock_bootloader(data);
while (pos < fw->size) {
- ret = mxt_check_bootloader(client,
- MXT_WAITING_FRAME_DATA);
+ ret = mxt_check_bootloader(data, MXT_WAITING_FRAME_DATA);
if (ret)
- goto out;
+ goto disable_irq;
frame_size = ((*(fw->data + pos) << 8) | *(fw->data + pos + 1));
- /* We should add 2 at frame size as the the firmware data is not
- * included the CRC bytes.
- */
+ /* Take account of CRC bytes */
frame_size += 2;
/* Write one frame to device */
- mxt_fw_write(client, fw->data + pos, frame_size);
-
- ret = mxt_check_bootloader(client,
- MXT_FRAME_CRC_PASS);
+ ret = mxt_bootloader_write(data, fw->data + pos, frame_size);
if (ret)
- goto out;
+ goto disable_irq;
- pos += frame_size;
+ ret = mxt_check_bootloader(data, MXT_FRAME_CRC_PASS);
+ if (ret) {
+ retry++;
- dev_dbg(dev, "Updated %d bytes / %zd bytes\n", pos, fw->size);
+ /* Back off by 20ms per retry */
+ msleep(retry * 20);
+
+ if (retry > 20) {
+ dev_err(dev, "Retry count exceeded\n");
+ goto disable_irq;
+ }
+ } else {
+ retry = 0;
+ pos += frame_size;
+ frame++;
+ }
+
+ if (frame % 50 == 0)
+ dev_dbg(dev, "Sent %d frames, %d/%zd bytes\n",
+ frame, pos, fw->size);
}
-out:
+ /* Wait for flash. */
+ ret = mxt_wait_for_completion(data, &data->bl_completion,
+ MXT_FW_RESET_TIME);
+ if (ret)
+ goto disable_irq;
+
+ dev_dbg(dev, "Sent %d frames, %d bytes\n", frame, pos);
+
+ /*
+ * Wait for device to reset. Some bootloader versions do not assert
+ * the CHG line after bootloading has finished, so ignore potential
+ * errors.
+ */
+ mxt_wait_for_completion(data, &data->bl_completion, MXT_FW_RESET_TIME);
+
+ data->in_bootloader = false;
+
+disable_irq:
+ disable_irq(data->irq);
+release_firmware:
release_firmware(fw);
-
- /* Change to slave address of application */
- if (client->addr == MXT_BOOT_LOW)
- client->addr = MXT_APP_LOW;
- else
- client->addr = MXT_APP_HIGH;
-
return ret;
}
@@ -1053,29 +1336,24 @@
struct mxt_data *data = dev_get_drvdata(dev);
int error;
- disable_irq(data->irq);
-
error = mxt_load_fw(dev, MXT_FW_NAME);
if (error) {
dev_err(dev, "The firmware update failed(%d)\n", error);
count = error;
} else {
- dev_dbg(dev, "The firmware update succeeded\n");
-
- /* Wait for reset */
- msleep(MXT_FWRESET_TIME);
+ dev_info(dev, "The firmware update succeeded\n");
mxt_free_object_table(data);
mxt_initialize(data);
+
+ enable_irq(data->irq);
+
+ error = mxt_make_highchg(data);
+ if (error)
+ return error;
}
- enable_irq(data->irq);
-
- error = mxt_make_highchg(data);
- if (error)
- return error;
-
return count;
}
@@ -1134,6 +1412,8 @@
struct input_dev *input_dev;
int error;
unsigned int num_mt_slots;
+ unsigned int mt_flags = 0;
+ int i;
if (!pdata)
return -EINVAL;
@@ -1146,10 +1426,7 @@
goto err_free_mem;
}
- data->is_tp = pdata && pdata->is_tp;
-
- input_dev->name = (data->is_tp) ? "Atmel maXTouch Touchpad" :
- "Atmel maXTouch Touchscreen";
+ input_dev->name = "Atmel maXTouch Touchscreen";
snprintf(data->phys, sizeof(data->phys), "i2c-%u-%04x/input0",
client->adapter->nr, client->addr);
@@ -1165,7 +1442,9 @@
data->pdata = pdata;
data->irq = client->irq;
- mxt_calc_resolution(data);
+ init_completion(&data->bl_completion);
+ init_completion(&data->reset_completion);
+ init_completion(&data->crc_completion);
error = mxt_initialize(data);
if (error)
@@ -1175,20 +1454,15 @@
__set_bit(EV_KEY, input_dev->evbit);
__set_bit(BTN_TOUCH, input_dev->keybit);
- if (data->is_tp) {
- int i;
- __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
+ if (pdata->t19_num_keys) {
__set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit);
- for (i = 0; i < MXT_NUM_GPIO; i++)
- if (pdata->key_map[i] != KEY_RESERVED)
- __set_bit(pdata->key_map[i], input_dev->keybit);
+ for (i = 0; i < pdata->t19_num_keys; i++)
+ if (pdata->t19_keymap[i] != KEY_RESERVED)
+ input_set_capability(input_dev, EV_KEY,
+ pdata->t19_keymap[i]);
- __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
- __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
- __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
- __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
- __set_bit(BTN_TOOL_QUINTTAP, input_dev->keybit);
+ mt_flags |= INPUT_MT_POINTER;
input_abs_set_res(input_dev, ABS_X, MXT_PIXELS_PER_MM);
input_abs_set_res(input_dev, ABS_Y, MXT_PIXELS_PER_MM);
@@ -1196,6 +1470,8 @@
MXT_PIXELS_PER_MM);
input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
MXT_PIXELS_PER_MM);
+
+ input_dev->name = "Atmel maXTouch Touchpad";
}
/* For single touch */
@@ -1208,7 +1484,7 @@
/* For multi touch */
num_mt_slots = data->T9_reportid_max - data->T9_reportid_min + 1;
- error = input_mt_init_slots(input_dev, num_mt_slots, 0);
+ error = input_mt_init_slots(input_dev, num_mt_slots, mt_flags);
if (error)
goto err_free_object;
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
@@ -1236,12 +1512,18 @@
goto err_free_irq;
error = input_register_device(input_dev);
- if (error)
+ if (error) {
+ dev_err(&client->dev, "Error %d registering input device\n",
+ error);
goto err_free_irq;
+ }
error = sysfs_create_group(&client->dev.kobj, &mxt_attr_group);
- if (error)
+ if (error) {
+ dev_err(&client->dev, "Failure %d creating sysfs group\n",
+ error);
goto err_unregister_device;
+ }
return 0;
@@ -1294,11 +1576,7 @@
struct mxt_data *data = i2c_get_clientdata(client);
struct input_dev *input_dev = data->input_dev;
- /* Soft reset */
- mxt_write_object(data, MXT_GEN_COMMAND_T6,
- MXT_COMMAND_RESET, 1);
-
- msleep(MXT_RESET_TIME);
+ mxt_soft_reset(data);
mutex_lock(&input_dev->mutex);
diff --git a/drivers/input/touchscreen/auo-pixcir-ts.c b/drivers/input/touchscreen/auo-pixcir-ts.c
index d3f9f6b..7f3c947 100644
--- a/drivers/input/touchscreen/auo-pixcir-ts.c
+++ b/drivers/input/touchscreen/auo-pixcir-ts.c
@@ -679,7 +679,7 @@
MODULE_DEVICE_TABLE(i2c, auo_pixcir_idtable);
#ifdef CONFIG_OF
-static struct of_device_id auo_pixcir_ts_dt_idtable[] = {
+static const struct of_device_id auo_pixcir_ts_dt_idtable[] = {
{ .compatible = "auo,auo_pixcir_ts" },
{},
};
diff --git a/drivers/input/touchscreen/da9034-ts.c b/drivers/input/touchscreen/da9034-ts.c
index 8ccf7bb..cf6f4b3 100644
--- a/drivers/input/touchscreen/da9034-ts.c
+++ b/drivers/input/touchscreen/da9034-ts.c
@@ -301,10 +301,11 @@
struct da9034_touch_pdata *pdata = dev_get_platdata(&pdev->dev);
struct da9034_touch *touch;
struct input_dev *input_dev;
- int ret;
+ int error;
- touch = kzalloc(sizeof(struct da9034_touch), GFP_KERNEL);
- if (touch == NULL) {
+ touch = devm_kzalloc(&pdev->dev, sizeof(struct da9034_touch),
+ GFP_KERNEL);
+ if (!touch) {
dev_err(&pdev->dev, "failed to allocate driver data\n");
return -ENOMEM;
}
@@ -315,18 +316,18 @@
touch->interval_ms = pdata->interval_ms;
touch->x_inverted = pdata->x_inverted;
touch->y_inverted = pdata->y_inverted;
- } else
+ } else {
/* fallback into default */
touch->interval_ms = 10;
+ }
INIT_DELAYED_WORK(&touch->tsi_work, da9034_tsi_work);
touch->notifier.notifier_call = da9034_touch_notifier;
- input_dev = input_allocate_device();
+ input_dev = devm_input_allocate_device(&pdev->dev);
if (!input_dev) {
dev_err(&pdev->dev, "failed to allocate input device\n");
- ret = -ENOMEM;
- goto err_free_touch;
+ return -ENOMEM;
}
input_dev->name = pdev->name;
@@ -346,26 +347,9 @@
touch->input_dev = input_dev;
input_set_drvdata(input_dev, touch);
- ret = input_register_device(input_dev);
- if (ret)
- goto err_free_input;
-
- platform_set_drvdata(pdev, touch);
- return 0;
-
-err_free_input:
- input_free_device(input_dev);
-err_free_touch:
- kfree(touch);
- return ret;
-}
-
-static int da9034_touch_remove(struct platform_device *pdev)
-{
- struct da9034_touch *touch = platform_get_drvdata(pdev);
-
- input_unregister_device(touch->input_dev);
- kfree(touch);
+ error = input_register_device(input_dev);
+ if (error)
+ return error;
return 0;
}
@@ -376,7 +360,6 @@
.owner = THIS_MODULE,
},
.probe = da9034_touch_probe,
- .remove = da9034_touch_remove,
};
module_platform_driver(da9034_touch_driver);
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index f8815be..d4f3399 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -271,7 +271,7 @@
wrbuf[0] = addr;
wrbuf[1] = value;
- return edt_ft5x06_ts_readwrite(tsdata->client, 3,
+ return edt_ft5x06_ts_readwrite(tsdata->client, 2,
wrbuf, 0, NULL);
default:
diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
index e6bcb13..c805784 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -262,7 +262,7 @@
static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume);
-static struct of_device_id egalax_ts_dt_ids[] = {
+static const struct of_device_id egalax_ts_dt_ids[] = {
{ .compatible = "eeti,egalax_ts" },
{ /* sentinel */ }
};
diff --git a/drivers/input/touchscreen/intel-mid-touch.c b/drivers/input/touchscreen/intel-mid-touch.c
index 4f6b156..c38ca4a 100644
--- a/drivers/input/touchscreen/intel-mid-touch.c
+++ b/drivers/input/touchscreen/intel-mid-touch.c
@@ -36,6 +36,7 @@
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/intel_scu_ipc.h>
+#include <linux/device.h>
/* PMIC Interrupt registers */
#define PMIC_REG_ID1 0x00 /* PMIC ID1 register */
@@ -580,12 +581,17 @@
return -EINVAL;
}
- tsdev = kzalloc(sizeof(struct mrstouch_dev), GFP_KERNEL);
- input = input_allocate_device();
- if (!tsdev || !input) {
+ tsdev = devm_kzalloc(&pdev->dev, sizeof(struct mrstouch_dev),
+ GFP_KERNEL);
+ if (!tsdev) {
dev_err(&pdev->dev, "unable to allocate memory\n");
- err = -ENOMEM;
- goto err_free_mem;
+ return -ENOMEM;
+ }
+
+ input = devm_input_allocate_device(&pdev->dev);
+ if (!input) {
+ dev_err(&pdev->dev, "unable to allocate input device\n");
+ return -ENOMEM;
}
tsdev->dev = &pdev->dev;
@@ -598,7 +604,7 @@
err = mrstouch_adc_init(tsdev);
if (err) {
dev_err(&pdev->dev, "ADC initialization failed\n");
- goto err_free_mem;
+ return err;
}
input->name = "mrst_touchscreen";
@@ -618,38 +624,20 @@
input_set_abs_params(tsdev->input, ABS_PRESSURE,
MRST_PRESSURE_MIN, MRST_PRESSURE_MAX, 0, 0);
- err = request_threaded_irq(tsdev->irq, NULL, mrstouch_pendet_irq,
- IRQF_ONESHOT, "mrstouch", tsdev);
+ err = devm_request_threaded_irq(&pdev->dev, tsdev->irq, NULL,
+ mrstouch_pendet_irq, IRQF_ONESHOT,
+ "mrstouch", tsdev);
if (err) {
dev_err(tsdev->dev, "unable to allocate irq\n");
- goto err_free_mem;
+ return err;
}
err = input_register_device(tsdev->input);
if (err) {
dev_err(tsdev->dev, "unable to register input device\n");
- goto err_free_irq;
+ return err;
}
- platform_set_drvdata(pdev, tsdev);
- return 0;
-
-err_free_irq:
- free_irq(tsdev->irq, tsdev);
-err_free_mem:
- input_free_device(input);
- kfree(tsdev);
- return err;
-}
-
-static int mrstouch_remove(struct platform_device *pdev)
-{
- struct mrstouch_dev *tsdev = platform_get_drvdata(pdev);
-
- free_irq(tsdev->irq, tsdev);
- input_unregister_device(tsdev->input);
- kfree(tsdev);
-
return 0;
}
@@ -659,7 +647,6 @@
.owner = THIS_MODULE,
},
.probe = mrstouch_probe,
- .remove = mrstouch_remove,
};
module_platform_driver(mrstouch_driver);
diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c
index 2058253..bb47d34 100644
--- a/drivers/input/touchscreen/lpc32xx_ts.c
+++ b/drivers/input/touchscreen/lpc32xx_ts.c
@@ -384,7 +384,7 @@
#endif
#ifdef CONFIG_OF
-static struct of_device_id lpc32xx_tsc_of_match[] = {
+static const struct of_device_id lpc32xx_tsc_of_match[] = {
{ .compatible = "nxp,lpc3220-tsc", },
{ },
};
diff --git a/drivers/input/touchscreen/mcs5000_ts.c b/drivers/input/touchscreen/mcs5000_ts.c
index 647e36f..00510a9 100644
--- a/drivers/input/touchscreen/mcs5000_ts.c
+++ b/drivers/input/touchscreen/mcs5000_ts.c
@@ -161,10 +161,9 @@
return IRQ_HANDLED;
}
-static void mcs5000_ts_phys_init(struct mcs5000_ts_data *data)
+static void mcs5000_ts_phys_init(struct mcs5000_ts_data *data,
+ const struct mcs_platform_data *platform_data)
{
- const struct mcs_platform_data *platform_data =
- data->platform_data;
struct i2c_client *client = data->client;
/* Touch reset & sleep mode */
@@ -187,28 +186,32 @@
}
static int mcs5000_ts_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+ const struct i2c_device_id *id)
{
+ const struct mcs_platform_data *pdata;
struct mcs5000_ts_data *data;
struct input_dev *input_dev;
- int ret;
+ int error;
- if (!dev_get_platdata(&client->dev))
+ pdata = dev_get_platdata(&client->dev);
+ if (!pdata)
return -EINVAL;
- data = kzalloc(sizeof(struct mcs5000_ts_data), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!data || !input_dev) {
+ data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
dev_err(&client->dev, "Failed to allocate memory\n");
- ret = -ENOMEM;
- goto err_free_mem;
+ return -ENOMEM;
}
data->client = client;
- data->input_dev = input_dev;
- data->platform_data = dev_get_platdata(&client->dev);
- input_dev->name = "MELPAS MCS-5000 Touchscreen";
+ input_dev = devm_input_allocate_device(&client->dev);
+ if (!input_dev) {
+ dev_err(&client->dev, "Failed to allocate input device\n");
+ return -ENOMEM;
+ }
+
+ input_dev->name = "MELFAS MCS-5000 Touchscreen";
input_dev->id.bustype = BUS_I2C;
input_dev->dev.parent = &client->dev;
@@ -219,44 +222,30 @@
input_set_abs_params(input_dev, ABS_Y, 0, MCS5000_MAX_YC, 0, 0);
input_set_drvdata(input_dev, data);
+ data->input_dev = input_dev;
- if (data->platform_data->cfg_pin)
- data->platform_data->cfg_pin();
+ if (pdata->cfg_pin)
+ pdata->cfg_pin();
- ret = request_threaded_irq(client->irq, NULL, mcs5000_ts_interrupt,
- IRQF_TRIGGER_LOW | IRQF_ONESHOT, "mcs5000_ts", data);
-
- if (ret < 0) {
+ error = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL, mcs5000_ts_interrupt,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ "mcs5000_ts", data);
+ if (error) {
dev_err(&client->dev, "Failed to register interrupt\n");
- goto err_free_mem;
+ return error;
}
- ret = input_register_device(data->input_dev);
- if (ret < 0)
- goto err_free_irq;
+ error = input_register_device(data->input_dev);
+ if (error) {
+ dev_err(&client->dev, "Failed to register input device\n");
+ return error;
+ }
- mcs5000_ts_phys_init(data);
+ mcs5000_ts_phys_init(data, pdata);
i2c_set_clientdata(client, data);
return 0;
-
-err_free_irq:
- free_irq(client->irq, data);
-err_free_mem:
- input_free_device(input_dev);
- kfree(data);
- return ret;
-}
-
-static int mcs5000_ts_remove(struct i2c_client *client)
-{
- struct mcs5000_ts_data *data = i2c_get_clientdata(client);
-
- free_irq(client->irq, data);
- input_unregister_device(data->input_dev);
- kfree(data);
-
- return 0;
}
#ifdef CONFIG_PM
@@ -274,14 +263,15 @@
{
struct i2c_client *client = to_i2c_client(dev);
struct mcs5000_ts_data *data = i2c_get_clientdata(client);
+ const struct mcs_platform_data *pdata = dev_get_platdata(dev);
- mcs5000_ts_phys_init(data);
+ mcs5000_ts_phys_init(data, pdata);
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(mcs5000_ts_pm, mcs5000_ts_suspend, mcs5000_ts_resume);
-#endif
static const struct i2c_device_id mcs5000_ts_id[] = {
{ "mcs5000_ts", 0 },
@@ -291,12 +281,9 @@
static struct i2c_driver mcs5000_ts_driver = {
.probe = mcs5000_ts_probe,
- .remove = mcs5000_ts_remove,
.driver = {
.name = "mcs5000_ts",
-#ifdef CONFIG_PM
.pm = &mcs5000_ts_pm,
-#endif
},
.id_table = mcs5000_ts_id,
};
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index 8a598c0..372bbf7 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -456,7 +456,7 @@
data->input_dev = input_dev;
data->pdata = pdata;
- input_dev->name = "MELPAS MMS114 Touchscreen";
+ input_dev->name = "MELFAS MMS114 Touchscreen";
input_dev->id.bustype = BUS_I2C;
input_dev->dev.parent = &client->dev;
input_dev->open = mms114_input_open;
@@ -570,7 +570,7 @@
MODULE_DEVICE_TABLE(i2c, mms114_id);
#ifdef CONFIG_OF
-static struct of_device_id mms114_dt_match[] = {
+static const struct of_device_id mms114_dt_match[] = {
{ .compatible = "melfas,mms114" },
{ }
};
diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen/of_touchscreen.c
new file mode 100644
index 0000000..f8f9b84
--- /dev/null
+++ b/drivers/input/touchscreen/of_touchscreen.c
@@ -0,0 +1,45 @@
+/*
+ * Generic DT helper functions for touchscreen devices
+ *
+ * Copyright (c) 2014 Sebastian Reichel <sre@kernel.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
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/of.h>
+#include <linux/input.h>
+#include <linux/input/touchscreen.h>
+
+/**
+ * touchscreen_parse_of_params - parse common touchscreen DT properties
+ * @dev: device that should be parsed
+ *
+ * This function parses common DT properties for touchscreens and setups the
+ * input device accordingly. The function keeps previously setuped default
+ * values if no value is specified via DT.
+ */
+void touchscreen_parse_of_params(struct input_dev *dev)
+{
+ struct device_node *np = dev->dev.parent->of_node;
+ struct input_absinfo *absinfo;
+
+ input_alloc_absinfo(dev);
+ if (!dev->absinfo)
+ return;
+
+ absinfo = &dev->absinfo[ABS_X];
+ of_property_read_u32(np, "touchscreen-size-x", &absinfo->maximum);
+ of_property_read_u32(np, "touchscreen-fuzz-x", &absinfo->fuzz);
+
+ absinfo = &dev->absinfo[ABS_Y];
+ of_property_read_u32(np, "touchscreen-size-y", &absinfo->maximum);
+ of_property_read_u32(np, "touchscreen-fuzz-y", &absinfo->fuzz);
+
+ absinfo = &dev->absinfo[ABS_PRESSURE];
+ of_property_read_u32(np, "touchscreen-max-pressure", &absinfo->maximum);
+ of_property_read_u32(np, "touchscreen-fuzz-pressure", &absinfo->fuzz);
+}
+EXPORT_SYMBOL(touchscreen_parse_of_params);
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c
index 02392d2..19c6c0f 100644
--- a/drivers/input/touchscreen/pixcir_i2c_ts.c
+++ b/drivers/input/touchscreen/pixcir_i2c_ts.c
@@ -24,12 +24,13 @@
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/pixcir_ts.h>
+#include <linux/gpio.h>
struct pixcir_i2c_ts_data {
struct i2c_client *client;
struct input_dev *input;
const struct pixcir_ts_platform_data *chip;
- bool exiting;
+ bool running;
};
static void pixcir_ts_poscheck(struct pixcir_i2c_ts_data *data)
@@ -87,11 +88,12 @@
static irqreturn_t pixcir_ts_isr(int irq, void *dev_id)
{
struct pixcir_i2c_ts_data *tsdata = dev_id;
+ const struct pixcir_ts_platform_data *pdata = tsdata->chip;
- while (!tsdata->exiting) {
+ while (tsdata->running) {
pixcir_ts_poscheck(tsdata);
- if (tsdata->chip->attb_read_val())
+ if (gpio_get_value(pdata->gpio_attb))
break;
msleep(20);
@@ -100,25 +102,221 @@
return IRQ_HANDLED;
}
+static int pixcir_set_power_mode(struct pixcir_i2c_ts_data *ts,
+ enum pixcir_power_mode mode)
+{
+ struct device *dev = &ts->client->dev;
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(ts->client, PIXCIR_REG_POWER_MODE);
+ if (ret < 0) {
+ dev_err(dev, "%s: can't read reg 0x%x : %d\n",
+ __func__, PIXCIR_REG_POWER_MODE, ret);
+ return ret;
+ }
+
+ ret &= ~PIXCIR_POWER_MODE_MASK;
+ ret |= mode;
+
+ /* Always AUTO_IDLE */
+ ret |= PIXCIR_POWER_ALLOW_IDLE;
+
+ ret = i2c_smbus_write_byte_data(ts->client, PIXCIR_REG_POWER_MODE, ret);
+ if (ret < 0) {
+ dev_err(dev, "%s: can't write reg 0x%x : %d\n",
+ __func__, PIXCIR_REG_POWER_MODE, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * Set the interrupt mode for the device i.e. ATTB line behaviour
+ *
+ * @polarity : 1 for active high, 0 for active low.
+ */
+static int pixcir_set_int_mode(struct pixcir_i2c_ts_data *ts,
+ enum pixcir_int_mode mode, bool polarity)
+{
+ struct device *dev = &ts->client->dev;
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(ts->client, PIXCIR_REG_INT_MODE);
+ if (ret < 0) {
+ dev_err(dev, "%s: can't read reg 0x%x : %d\n",
+ __func__, PIXCIR_REG_INT_MODE, ret);
+ return ret;
+ }
+
+ ret &= ~PIXCIR_INT_MODE_MASK;
+ ret |= mode;
+
+ if (polarity)
+ ret |= PIXCIR_INT_POL_HIGH;
+ else
+ ret &= ~PIXCIR_INT_POL_HIGH;
+
+ ret = i2c_smbus_write_byte_data(ts->client, PIXCIR_REG_INT_MODE, ret);
+ if (ret < 0) {
+ dev_err(dev, "%s: can't write reg 0x%x : %d\n",
+ __func__, PIXCIR_REG_INT_MODE, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * Enable/disable interrupt generation
+ */
+static int pixcir_int_enable(struct pixcir_i2c_ts_data *ts, bool enable)
+{
+ struct device *dev = &ts->client->dev;
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(ts->client, PIXCIR_REG_INT_MODE);
+ if (ret < 0) {
+ dev_err(dev, "%s: can't read reg 0x%x : %d\n",
+ __func__, PIXCIR_REG_INT_MODE, ret);
+ return ret;
+ }
+
+ if (enable)
+ ret |= PIXCIR_INT_ENABLE;
+ else
+ ret &= ~PIXCIR_INT_ENABLE;
+
+ ret = i2c_smbus_write_byte_data(ts->client, PIXCIR_REG_INT_MODE, ret);
+ if (ret < 0) {
+ dev_err(dev, "%s: can't write reg 0x%x : %d\n",
+ __func__, PIXCIR_REG_INT_MODE, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int pixcir_start(struct pixcir_i2c_ts_data *ts)
+{
+ struct device *dev = &ts->client->dev;
+ int error;
+
+ /* LEVEL_TOUCH interrupt with active low polarity */
+ error = pixcir_set_int_mode(ts, PIXCIR_INT_LEVEL_TOUCH, 0);
+ if (error) {
+ dev_err(dev, "Failed to set interrupt mode: %d\n", error);
+ return error;
+ }
+
+ ts->running = true;
+ mb(); /* Update status before IRQ can fire */
+
+ /* enable interrupt generation */
+ error = pixcir_int_enable(ts, true);
+ if (error) {
+ dev_err(dev, "Failed to enable interrupt generation: %d\n",
+ error);
+ return error;
+ }
+
+ return 0;
+}
+
+static int pixcir_stop(struct pixcir_i2c_ts_data *ts)
+{
+ int error;
+
+ /* Disable interrupt generation */
+ error = pixcir_int_enable(ts, false);
+ if (error) {
+ dev_err(&ts->client->dev,
+ "Failed to disable interrupt generation: %d\n",
+ error);
+ return error;
+ }
+
+ /* Exit ISR if running, no more report parsing */
+ ts->running = false;
+ mb(); /* update status before we synchronize irq */
+
+ /* Wait till running ISR is complete */
+ synchronize_irq(ts->client->irq);
+
+ return 0;
+}
+
+static int pixcir_input_open(struct input_dev *dev)
+{
+ struct pixcir_i2c_ts_data *ts = input_get_drvdata(dev);
+
+ return pixcir_start(ts);
+}
+
+static void pixcir_input_close(struct input_dev *dev)
+{
+ struct pixcir_i2c_ts_data *ts = input_get_drvdata(dev);
+
+ pixcir_stop(ts);
+}
+
#ifdef CONFIG_PM_SLEEP
static int pixcir_i2c_ts_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
+ struct pixcir_i2c_ts_data *ts = i2c_get_clientdata(client);
+ struct input_dev *input = ts->input;
+ int ret = 0;
- if (device_may_wakeup(&client->dev))
+ mutex_lock(&input->mutex);
+
+ if (device_may_wakeup(&client->dev)) {
+ if (!input->users) {
+ ret = pixcir_start(ts);
+ if (ret) {
+ dev_err(dev, "Failed to start\n");
+ goto unlock;
+ }
+ }
+
enable_irq_wake(client->irq);
+ } else if (input->users) {
+ ret = pixcir_stop(ts);
+ }
- return 0;
+unlock:
+ mutex_unlock(&input->mutex);
+
+ return ret;
}
static int pixcir_i2c_ts_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
+ struct pixcir_i2c_ts_data *ts = i2c_get_clientdata(client);
+ struct input_dev *input = ts->input;
+ int ret = 0;
- if (device_may_wakeup(&client->dev))
+ mutex_lock(&input->mutex);
+
+ if (device_may_wakeup(&client->dev)) {
disable_irq_wake(client->irq);
- return 0;
+ if (!input->users) {
+ ret = pixcir_stop(ts);
+ if (ret) {
+ dev_err(dev, "Failed to stop\n");
+ goto unlock;
+ }
+ }
+ } else if (input->users) {
+ ret = pixcir_start(ts);
+ }
+
+unlock:
+ mutex_unlock(&input->mutex);
+
+ return ret;
}
#endif
@@ -130,6 +328,7 @@
{
const struct pixcir_ts_platform_data *pdata =
dev_get_platdata(&client->dev);
+ struct device *dev = &client->dev;
struct pixcir_i2c_ts_data *tsdata;
struct input_dev *input;
int error;
@@ -139,12 +338,19 @@
return -EINVAL;
}
- tsdata = kzalloc(sizeof(*tsdata), GFP_KERNEL);
- input = input_allocate_device();
- if (!tsdata || !input) {
- dev_err(&client->dev, "Failed to allocate driver data!\n");
- error = -ENOMEM;
- goto err_free_mem;
+ if (!gpio_is_valid(pdata->gpio_attb)) {
+ dev_err(dev, "Invalid gpio_attb in pdata\n");
+ return -EINVAL;
+ }
+
+ tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL);
+ if (!tsdata)
+ return -ENOMEM;
+
+ input = devm_input_allocate_device(dev);
+ if (!input) {
+ dev_err(dev, "Failed to allocate input device\n");
+ return -ENOMEM;
}
tsdata->client = client;
@@ -153,6 +359,8 @@
input->name = client->name;
input->id.bustype = BUS_I2C;
+ input->open = pixcir_input_open;
+ input->close = pixcir_input_close;
input->dev.parent = &client->dev;
__set_bit(EV_KEY, input->evbit);
@@ -165,44 +373,47 @@
input_set_drvdata(input, tsdata);
- error = request_threaded_irq(client->irq, NULL, pixcir_ts_isr,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- client->name, tsdata);
+ error = devm_gpio_request_one(dev, pdata->gpio_attb,
+ GPIOF_DIR_IN, "pixcir_i2c_attb");
if (error) {
- dev_err(&client->dev, "Unable to request touchscreen IRQ.\n");
- goto err_free_mem;
+ dev_err(dev, "Failed to request ATTB gpio\n");
+ return error;
}
+ error = devm_request_threaded_irq(dev, client->irq, NULL, pixcir_ts_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ client->name, tsdata);
+ if (error) {
+ dev_err(dev, "failed to request irq %d\n", client->irq);
+ return error;
+ }
+
+ /* Always be in IDLE mode to save power, device supports auto wake */
+ error = pixcir_set_power_mode(tsdata, PIXCIR_POWER_IDLE);
+ if (error) {
+ dev_err(dev, "Failed to set IDLE mode\n");
+ return error;
+ }
+
+ /* Stop device till opened */
+ error = pixcir_stop(tsdata);
+ if (error)
+ return error;
+
error = input_register_device(input);
if (error)
- goto err_free_irq;
+ return error;
i2c_set_clientdata(client, tsdata);
device_init_wakeup(&client->dev, 1);
return 0;
-
-err_free_irq:
- free_irq(client->irq, tsdata);
-err_free_mem:
- input_free_device(input);
- kfree(tsdata);
- return error;
}
static int pixcir_i2c_ts_remove(struct i2c_client *client)
{
- struct pixcir_i2c_ts_data *tsdata = i2c_get_clientdata(client);
-
device_init_wakeup(&client->dev, 0);
- tsdata->exiting = true;
- mb();
- free_irq(client->irq, tsdata);
-
- input_unregister_device(tsdata->input);
- kfree(tsdata);
-
return 0;
}
diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
new file mode 100644
index 0000000..2ba8260
--- /dev/null
+++ b/drivers/input/touchscreen/sun4i-ts.c
@@ -0,0 +1,339 @@
+/*
+ * Allwinner sunxi resistive touchscreen controller driver
+ *
+ * Copyright (C) 2013 - 2014 Hans de Goede <hdegoede@redhat.com>
+ *
+ * The hwmon parts are based on work by Corentin LABBE which is:
+ * Copyright (C) 2013 Corentin LABBE <clabbe.montjoie@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * The sun4i-ts controller is capable of detecting a second touch, but when a
+ * second touch is present then the accuracy becomes so bad the reported touch
+ * location is not useable.
+ *
+ * The original android driver contains some complicated heuristics using the
+ * aprox. distance between the 2 touches to see if the user is making a pinch
+ * open / close movement, and then reports emulated multi-touch events around
+ * the last touch coordinate (as the dual-touch coordinates are worthless).
+ *
+ * These kinds of heuristics are just asking for trouble (and don't belong
+ * in the kernel). So this driver offers straight forward, reliable single
+ * touch functionality only.
+ */
+
+#include <linux/err.h>
+#include <linux/hwmon.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#define TP_CTRL0 0x00
+#define TP_CTRL1 0x04
+#define TP_CTRL2 0x08
+#define TP_CTRL3 0x0c
+#define TP_INT_FIFOC 0x10
+#define TP_INT_FIFOS 0x14
+#define TP_TPR 0x18
+#define TP_CDAT 0x1c
+#define TEMP_DATA 0x20
+#define TP_DATA 0x24
+
+/* TP_CTRL0 bits */
+#define ADC_FIRST_DLY(x) ((x) << 24) /* 8 bits */
+#define ADC_FIRST_DLY_MODE(x) ((x) << 23)
+#define ADC_CLK_SEL(x) ((x) << 22)
+#define ADC_CLK_DIV(x) ((x) << 20) /* 3 bits */
+#define FS_DIV(x) ((x) << 16) /* 4 bits */
+#define T_ACQ(x) ((x) << 0) /* 16 bits */
+
+/* TP_CTRL1 bits */
+#define STYLUS_UP_DEBOUN(x) ((x) << 12) /* 8 bits */
+#define STYLUS_UP_DEBOUN_EN(x) ((x) << 9)
+#define TOUCH_PAN_CALI_EN(x) ((x) << 6)
+#define TP_DUAL_EN(x) ((x) << 5)
+#define TP_MODE_EN(x) ((x) << 4)
+#define TP_ADC_SELECT(x) ((x) << 3)
+#define ADC_CHAN_SELECT(x) ((x) << 0) /* 3 bits */
+
+/* TP_CTRL2 bits */
+#define TP_SENSITIVE_ADJUST(x) ((x) << 28) /* 4 bits */
+#define TP_MODE_SELECT(x) ((x) << 26) /* 2 bits */
+#define PRE_MEA_EN(x) ((x) << 24)
+#define PRE_MEA_THRE_CNT(x) ((x) << 0) /* 24 bits */
+
+/* TP_CTRL3 bits */
+#define FILTER_EN(x) ((x) << 2)
+#define FILTER_TYPE(x) ((x) << 0) /* 2 bits */
+
+/* TP_INT_FIFOC irq and fifo mask / control bits */
+#define TEMP_IRQ_EN(x) ((x) << 18)
+#define OVERRUN_IRQ_EN(x) ((x) << 17)
+#define DATA_IRQ_EN(x) ((x) << 16)
+#define TP_DATA_XY_CHANGE(x) ((x) << 13)
+#define FIFO_TRIG(x) ((x) << 8) /* 5 bits */
+#define DATA_DRQ_EN(x) ((x) << 7)
+#define FIFO_FLUSH(x) ((x) << 4)
+#define TP_UP_IRQ_EN(x) ((x) << 1)
+#define TP_DOWN_IRQ_EN(x) ((x) << 0)
+
+/* TP_INT_FIFOS irq and fifo status bits */
+#define TEMP_DATA_PENDING BIT(18)
+#define FIFO_OVERRUN_PENDING BIT(17)
+#define FIFO_DATA_PENDING BIT(16)
+#define TP_IDLE_FLG BIT(2)
+#define TP_UP_PENDING BIT(1)
+#define TP_DOWN_PENDING BIT(0)
+
+/* TP_TPR bits */
+#define TEMP_ENABLE(x) ((x) << 16)
+#define TEMP_PERIOD(x) ((x) << 0) /* t = x * 256 * 16 / clkin */
+
+struct sun4i_ts_data {
+ struct device *dev;
+ struct input_dev *input;
+ void __iomem *base;
+ unsigned int irq;
+ bool ignore_fifo_data;
+ int temp_data;
+};
+
+static void sun4i_ts_irq_handle_input(struct sun4i_ts_data *ts, u32 reg_val)
+{
+ u32 x, y;
+
+ if (reg_val & FIFO_DATA_PENDING) {
+ x = readl(ts->base + TP_DATA);
+ y = readl(ts->base + TP_DATA);
+ /* The 1st location reported after an up event is unreliable */
+ if (!ts->ignore_fifo_data) {
+ input_report_abs(ts->input, ABS_X, x);
+ input_report_abs(ts->input, ABS_Y, y);
+ /*
+ * The hardware has a separate down status bit, but
+ * that gets set before we get the first location,
+ * resulting in reporting a click on the old location.
+ */
+ input_report_key(ts->input, BTN_TOUCH, 1);
+ input_sync(ts->input);
+ } else {
+ ts->ignore_fifo_data = false;
+ }
+ }
+
+ if (reg_val & TP_UP_PENDING) {
+ ts->ignore_fifo_data = true;
+ input_report_key(ts->input, BTN_TOUCH, 0);
+ input_sync(ts->input);
+ }
+}
+
+static irqreturn_t sun4i_ts_irq(int irq, void *dev_id)
+{
+ struct sun4i_ts_data *ts = dev_id;
+ u32 reg_val;
+
+ reg_val = readl(ts->base + TP_INT_FIFOS);
+
+ if (reg_val & TEMP_DATA_PENDING)
+ ts->temp_data = readl(ts->base + TEMP_DATA);
+
+ if (ts->input)
+ sun4i_ts_irq_handle_input(ts, reg_val);
+
+ writel(reg_val, ts->base + TP_INT_FIFOS);
+
+ return IRQ_HANDLED;
+}
+
+static int sun4i_ts_open(struct input_dev *dev)
+{
+ struct sun4i_ts_data *ts = input_get_drvdata(dev);
+
+ /* Flush, set trig level to 1, enable temp, data and up irqs */
+ writel(TEMP_IRQ_EN(1) | DATA_IRQ_EN(1) | FIFO_TRIG(1) | FIFO_FLUSH(1) |
+ TP_UP_IRQ_EN(1), ts->base + TP_INT_FIFOC);
+
+ return 0;
+}
+
+static void sun4i_ts_close(struct input_dev *dev)
+{
+ struct sun4i_ts_data *ts = input_get_drvdata(dev);
+
+ /* Deactivate all input IRQs */
+ writel(TEMP_IRQ_EN(1), ts->base + TP_INT_FIFOC);
+}
+
+static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
+ char *buf)
+{
+ struct sun4i_ts_data *ts = dev_get_drvdata(dev);
+
+ /* No temp_data until the first irq */
+ if (ts->temp_data == -1)
+ return -EAGAIN;
+
+ return sprintf(buf, "%d\n", (ts->temp_data - 1447) * 100);
+}
+
+static ssize_t show_temp_label(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ return sprintf(buf, "SoC temperature\n");
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
+static DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL);
+
+static struct attribute *sun4i_ts_attrs[] = {
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp1_label.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(sun4i_ts);
+
+static int sun4i_ts_probe(struct platform_device *pdev)
+{
+ struct sun4i_ts_data *ts;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct device *hwmon;
+ int error;
+ bool ts_attached;
+
+ ts = devm_kzalloc(dev, sizeof(struct sun4i_ts_data), GFP_KERNEL);
+ if (!ts)
+ return -ENOMEM;
+
+ ts->dev = dev;
+ ts->ignore_fifo_data = true;
+ ts->temp_data = -1;
+
+ ts_attached = of_property_read_bool(np, "allwinner,ts-attached");
+ if (ts_attached) {
+ ts->input = devm_input_allocate_device(dev);
+ if (!ts->input)
+ return -ENOMEM;
+
+ ts->input->name = pdev->name;
+ ts->input->phys = "sun4i_ts/input0";
+ ts->input->open = sun4i_ts_open;
+ ts->input->close = sun4i_ts_close;
+ ts->input->id.bustype = BUS_HOST;
+ ts->input->id.vendor = 0x0001;
+ ts->input->id.product = 0x0001;
+ ts->input->id.version = 0x0100;
+ ts->input->evbit[0] = BIT(EV_SYN) | BIT(EV_KEY) | BIT(EV_ABS);
+ __set_bit(BTN_TOUCH, ts->input->keybit);
+ input_set_abs_params(ts->input, ABS_X, 0, 4095, 0, 0);
+ input_set_abs_params(ts->input, ABS_Y, 0, 4095, 0, 0);
+ input_set_drvdata(ts->input, ts);
+ }
+
+ ts->base = devm_ioremap_resource(dev,
+ platform_get_resource(pdev, IORESOURCE_MEM, 0));
+ if (IS_ERR(ts->base))
+ return PTR_ERR(ts->base);
+
+ ts->irq = platform_get_irq(pdev, 0);
+ error = devm_request_irq(dev, ts->irq, sun4i_ts_irq, 0, "sun4i-ts", ts);
+ if (error)
+ return error;
+
+ /*
+ * Select HOSC clk, clkin = clk / 6, adc samplefreq = clkin / 8192,
+ * t_acq = clkin / (16 * 64)
+ */
+ writel(ADC_CLK_SEL(0) | ADC_CLK_DIV(2) | FS_DIV(7) | T_ACQ(63),
+ ts->base + TP_CTRL0);
+
+ /*
+ * sensitive_adjust = 15 : max, which is not all that sensitive,
+ * tp_mode = 0 : only x and y coordinates, as we don't use dual touch
+ */
+ writel(TP_SENSITIVE_ADJUST(15) | TP_MODE_SELECT(0),
+ ts->base + TP_CTRL2);
+
+ /* Enable median filter, type 1 : 5/3 */
+ writel(FILTER_EN(1) | FILTER_TYPE(1), ts->base + TP_CTRL3);
+
+ /* Enable temperature measurement, period 1953 (2 seconds) */
+ writel(TEMP_ENABLE(1) | TEMP_PERIOD(1953), ts->base + TP_TPR);
+
+ /*
+ * Set stylus up debounce to aprox 10 ms, enable debounce, and
+ * finally enable tp mode.
+ */
+ writel(STYLUS_UP_DEBOUN(5) | STYLUS_UP_DEBOUN_EN(1) | TP_MODE_EN(1),
+ ts->base + TP_CTRL1);
+
+ hwmon = devm_hwmon_device_register_with_groups(ts->dev, "sun4i_ts",
+ ts, sun4i_ts_groups);
+ if (IS_ERR(hwmon))
+ return PTR_ERR(hwmon);
+
+ writel(TEMP_IRQ_EN(1), ts->base + TP_INT_FIFOC);
+
+ if (ts_attached) {
+ error = input_register_device(ts->input);
+ if (error) {
+ writel(0, ts->base + TP_INT_FIFOC);
+ return error;
+ }
+ }
+
+ platform_set_drvdata(pdev, ts);
+ return 0;
+}
+
+static int sun4i_ts_remove(struct platform_device *pdev)
+{
+ struct sun4i_ts_data *ts = platform_get_drvdata(pdev);
+
+ /* Explicit unregister to avoid open/close changing the imask later */
+ if (ts->input)
+ input_unregister_device(ts->input);
+
+ /* Deactivate all IRQs */
+ writel(0, ts->base + TP_INT_FIFOC);
+
+ return 0;
+}
+
+static const struct of_device_id sun4i_ts_of_match[] = {
+ { .compatible = "allwinner,sun4i-a10-ts", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sun4i_ts_of_match);
+
+static struct platform_driver sun4i_ts_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "sun4i-ts",
+ .of_match_table = of_match_ptr(sun4i_ts_of_match),
+ },
+ .probe = sun4i_ts_probe,
+ .remove = sun4i_ts_remove,
+};
+
+module_platform_driver(sun4i_ts_driver);
+
+MODULE_DESCRIPTION("Allwinner sun4i resistive touchscreen controller driver");
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index 550adcb..52380b6 100644
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -25,11 +25,15 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/input.h>
+#include <linux/input/touchscreen.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/pm.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/tsc2005.h>
+#include <linux/regulator/consumer.h>
/*
* The touchscreen interface operates as follows:
@@ -100,6 +104,11 @@
TSC2005_CFR2_AVG_7)
#define MAX_12BIT 0xfff
+#define TSC2005_DEF_X_FUZZ 4
+#define TSC2005_DEF_Y_FUZZ 8
+#define TSC2005_DEF_P_FUZZ 2
+#define TSC2005_DEF_RESISTOR 280
+
#define TSC2005_SPI_MAX_SPEED_HZ 10000000
#define TSC2005_PENUP_TIME_MS 40
@@ -143,6 +152,9 @@
bool pen_down;
+ struct regulator *vio;
+
+ int reset_gpio;
void (*set_reset)(bool enable);
};
@@ -337,6 +349,14 @@
tsc2005_cmd(ts, TSC2005_CMD_STOP);
}
+static void tsc2005_set_reset(struct tsc2005 *ts, bool enable)
+{
+ if (ts->reset_gpio >= 0)
+ gpio_set_value(ts->reset_gpio, enable);
+ else if (ts->set_reset)
+ ts->set_reset(enable);
+}
+
/* must be called with ts->mutex held */
static void __tsc2005_disable(struct tsc2005 *ts)
{
@@ -355,7 +375,7 @@
{
tsc2005_start_scan(ts);
- if (ts->esd_timeout && ts->set_reset) {
+ if (ts->esd_timeout && (ts->set_reset || ts->reset_gpio)) {
ts->last_valid_interrupt = jiffies;
schedule_delayed_work(&ts->esd_work,
round_jiffies_relative(
@@ -414,9 +434,9 @@
}
/* hardware reset */
- ts->set_reset(false);
+ tsc2005_set_reset(ts, false);
usleep_range(100, 500); /* only 10us required */
- ts->set_reset(true);
+ tsc2005_set_reset(ts, true);
if (!success)
goto out;
@@ -459,7 +479,7 @@
umode_t mode = attr->mode;
if (attr == &dev_attr_selftest.attr) {
- if (!ts->set_reset)
+ if (!ts->set_reset && !ts->reset_gpio)
mode = 0;
}
@@ -509,9 +529,9 @@
tsc2005_update_pen_state(ts, 0, 0, 0);
- ts->set_reset(false);
+ tsc2005_set_reset(ts, false);
usleep_range(100, 500); /* only 10us required */
- ts->set_reset(true);
+ tsc2005_set_reset(ts, true);
enable_irq(ts->spi->irq);
tsc2005_start_scan(ts);
@@ -572,29 +592,47 @@
static int tsc2005_probe(struct spi_device *spi)
{
const struct tsc2005_platform_data *pdata = dev_get_platdata(&spi->dev);
+ struct device_node *np = spi->dev.of_node;
+
struct tsc2005 *ts;
struct input_dev *input_dev;
- unsigned int max_x, max_y, max_p;
- unsigned int fudge_x, fudge_y, fudge_p;
+ unsigned int max_x = MAX_12BIT;
+ unsigned int max_y = MAX_12BIT;
+ unsigned int max_p = MAX_12BIT;
+ unsigned int fudge_x = TSC2005_DEF_X_FUZZ;
+ unsigned int fudge_y = TSC2005_DEF_Y_FUZZ;
+ unsigned int fudge_p = TSC2005_DEF_P_FUZZ;
+ unsigned int x_plate_ohm = TSC2005_DEF_RESISTOR;
+ unsigned int esd_timeout;
int error;
- if (!pdata) {
- dev_dbg(&spi->dev, "no platform data\n");
+ if (!np && !pdata) {
+ dev_err(&spi->dev, "no platform data\n");
return -ENODEV;
}
- fudge_x = pdata->ts_x_fudge ? : 4;
- fudge_y = pdata->ts_y_fudge ? : 8;
- fudge_p = pdata->ts_pressure_fudge ? : 2;
- max_x = pdata->ts_x_max ? : MAX_12BIT;
- max_y = pdata->ts_y_max ? : MAX_12BIT;
- max_p = pdata->ts_pressure_max ? : MAX_12BIT;
-
if (spi->irq <= 0) {
- dev_dbg(&spi->dev, "no irq\n");
+ dev_err(&spi->dev, "no irq\n");
return -ENODEV;
}
+ if (pdata) {
+ fudge_x = pdata->ts_x_fudge;
+ fudge_y = pdata->ts_y_fudge;
+ fudge_p = pdata->ts_pressure_fudge;
+ max_x = pdata->ts_x_max;
+ max_y = pdata->ts_y_max;
+ max_p = pdata->ts_pressure_max;
+ x_plate_ohm = pdata->ts_x_plate_ohm;
+ esd_timeout = pdata->esd_timeout_ms;
+ } else {
+ x_plate_ohm = TSC2005_DEF_RESISTOR;
+ of_property_read_u32(np, "ti,x-plate-ohms", &x_plate_ohm);
+ esd_timeout = 0;
+ of_property_read_u32(np, "ti,esd-recovery-timeout-ms",
+ &esd_timeout);
+ }
+
spi->mode = SPI_MODE_0;
spi->bits_per_word = 8;
if (!spi->max_speed_hz)
@@ -604,19 +642,48 @@
if (error)
return error;
- ts = kzalloc(sizeof(*ts), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!ts || !input_dev) {
- error = -ENOMEM;
- goto err_free_mem;
- }
+ ts = devm_kzalloc(&spi->dev, sizeof(*ts), GFP_KERNEL);
+ if (!ts)
+ return -ENOMEM;
+
+ input_dev = devm_input_allocate_device(&spi->dev);
+ if (!input_dev)
+ return -ENOMEM;
ts->spi = spi;
ts->idev = input_dev;
- ts->x_plate_ohm = pdata->ts_x_plate_ohm ? : 280;
- ts->esd_timeout = pdata->esd_timeout_ms;
- ts->set_reset = pdata->set_reset;
+ ts->x_plate_ohm = x_plate_ohm;
+ ts->esd_timeout = esd_timeout;
+
+ if (np) {
+ ts->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0);
+ if (ts->reset_gpio == -EPROBE_DEFER)
+ return ts->reset_gpio;
+ if (ts->reset_gpio < 0) {
+ dev_err(&spi->dev, "error acquiring reset gpio: %d\n",
+ ts->reset_gpio);
+ return ts->reset_gpio;
+ }
+
+ error = devm_gpio_request_one(&spi->dev, ts->reset_gpio, 0,
+ "reset-gpios");
+ if (error) {
+ dev_err(&spi->dev, "error requesting reset gpio: %d\n",
+ error);
+ return error;
+ }
+
+ ts->vio = devm_regulator_get(&spi->dev, "vio");
+ if (IS_ERR(ts->vio)) {
+ error = PTR_ERR(ts->vio);
+ dev_err(&spi->dev, "vio regulator missing (%d)", error);
+ return error;
+ }
+ } else {
+ ts->reset_gpio = -1;
+ ts->set_reset = pdata->set_reset;
+ }
mutex_init(&ts->mutex);
@@ -641,6 +708,9 @@
input_set_abs_params(input_dev, ABS_Y, 0, max_y, fudge_y, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0, max_p, fudge_p, 0);
+ if (np)
+ touchscreen_parse_of_params(input_dev);
+
input_dev->open = tsc2005_open;
input_dev->close = tsc2005_close;
@@ -649,12 +719,20 @@
/* Ensure the touchscreen is off */
tsc2005_stop_scan(ts);
- error = request_threaded_irq(spi->irq, NULL, tsc2005_irq_thread,
- IRQF_TRIGGER_RISING | IRQF_ONESHOT,
- "tsc2005", ts);
+ error = devm_request_threaded_irq(&spi->dev, spi->irq, NULL,
+ tsc2005_irq_thread,
+ IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+ "tsc2005", ts);
if (error) {
dev_err(&spi->dev, "Failed to request irq, err: %d\n", error);
- goto err_free_mem;
+ return error;
+ }
+
+ /* enable regulator for DT */
+ if (ts->vio) {
+ error = regulator_enable(ts->vio);
+ if (error)
+ return error;
}
spi_set_drvdata(spi, ts);
@@ -662,7 +740,7 @@
if (error) {
dev_err(&spi->dev,
"Failed to create sysfs attributes, err: %d\n", error);
- goto err_clear_drvdata;
+ goto disable_regulator;
}
error = input_register_device(ts->idev);
@@ -677,11 +755,9 @@
err_remove_sysfs:
sysfs_remove_group(&spi->dev.kobj, &tsc2005_attr_group);
-err_clear_drvdata:
- free_irq(spi->irq, ts);
-err_free_mem:
- input_free_device(input_dev);
- kfree(ts);
+disable_regulator:
+ if (ts->vio)
+ regulator_disable(ts->vio);
return error;
}
@@ -689,11 +765,10 @@
{
struct tsc2005 *ts = spi_get_drvdata(spi);
- sysfs_remove_group(&ts->spi->dev.kobj, &tsc2005_attr_group);
+ sysfs_remove_group(&spi->dev.kobj, &tsc2005_attr_group);
- free_irq(ts->spi->irq, ts);
- input_unregister_device(ts->idev);
- kfree(ts);
+ if (ts->vio)
+ regulator_disable(ts->vio);
return 0;
}
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 01d30ce..feea85b 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -880,7 +880,7 @@
MODULE_DEVICE_TABLE(i2c, zforce_idtable);
#ifdef CONFIG_OF
-static struct of_device_id zforce_dt_idtable[] = {
+static const struct of_device_id zforce_dt_idtable[] = {
{ .compatible = "neonode,zforce" },
{},
};
diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 7f3aad0..7f1a2e2 100644
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -84,21 +84,19 @@
I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),
};
+static int mxt_t19_keys[] = {
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ BTN_LEFT
+};
+
static struct mxt_platform_data atmel_224s_tp_platform_data = {
- .x_line = 18,
- .y_line = 12,
- .x_size = 102*20,
- .y_size = 68*20,
- .blen = 0x80, /* Gain setting is in upper 4 bits */
- .threshold = 0x32,
- .voltage = 0, /* 3.3V */
- .orient = MXT_VERTICAL_FLIP,
.irqflags = IRQF_TRIGGER_FALLING,
- .is_tp = true,
- .key_map = { KEY_RESERVED,
- KEY_RESERVED,
- KEY_RESERVED,
- BTN_LEFT },
+ .t19_num_keys = ARRAY_SIZE(mxt_t19_keys),
+ .t19_keymap = mxt_t19_keys,
.config = NULL,
.config_length = 0,
};
@@ -110,16 +108,7 @@
};
static struct mxt_platform_data atmel_1664s_platform_data = {
- .x_line = 32,
- .y_line = 50,
- .x_size = 1700,
- .y_size = 2560,
- .blen = 0x89, /* Gain setting is in upper 4 bits */
- .threshold = 0x28,
- .voltage = 0, /* 3.3V */
- .orient = MXT_ROTATED_90_COUNTER,
.irqflags = IRQF_TRIGGER_FALLING,
- .is_tp = false,
.config = NULL,
.config_length = 0,
};
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index a7e977f..8b62246 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -3,29 +3,53 @@
struct device;
+/**
+ * struct gpio_keys_button - configuration parameters
+ * @code: input event code (KEY_*, SW_*)
+ * @gpio: %-1 if this key does not support gpio
+ * @active_low: %true indicates that button is considered
+ * depressed when gpio is low
+ * @desc: label that will be attached to button's gpio
+ * @type: input event type (%EV_KEY, %EV_SW, %EV_ABS)
+ * @wakeup: configure the button as a wake-up source
+ * @debounce_interval: debounce ticks interval in msecs
+ * @can_disable: %true indicates that userspace is allowed to
+ * disable button via sysfs
+ * @value: axis value for %EV_ABS
+ * @irq: Irq number in case of interrupt keys
+ */
struct gpio_keys_button {
- /* Configuration parameters */
- unsigned int code; /* input event code (KEY_*, SW_*) */
- int gpio; /* -1 if this key does not support gpio */
+ unsigned int code;
+ int gpio;
int active_low;
const char *desc;
- unsigned int type; /* input event type (EV_KEY, EV_SW, EV_ABS) */
- int wakeup; /* configure the button as a wake-up source */
- int debounce_interval; /* debounce ticks interval in msecs */
+ unsigned int type;
+ int wakeup;
+ int debounce_interval;
bool can_disable;
- int value; /* axis value for EV_ABS */
- unsigned int irq; /* Irq number in case of interrupt keys */
+ int value;
+ unsigned int irq;
};
+/**
+ * struct gpio_keys_platform_data - platform data for gpio_keys driver
+ * @buttons: pointer to array of &gpio_keys_button structures
+ * describing buttons attached to the device
+ * @nbuttons: number of elements in @buttons array
+ * @poll_interval: polling interval in msecs - for polling driver only
+ * @rep: enable input subsystem auto repeat
+ * @enable: platform hook for enabling the device
+ * @disable: platform hook for disabling the device
+ * @name: input device name
+ */
struct gpio_keys_platform_data {
struct gpio_keys_button *buttons;
int nbuttons;
- unsigned int poll_interval; /* polling interval in msecs -
- for polling driver only */
- unsigned int rep:1; /* enable input subsystem auto repeat */
+ unsigned int poll_interval;
+ unsigned int rep:1;
int (*enable)(struct device *dev);
void (*disable)(struct device *dev);
- const char *name; /* input device name */
+ const char *name;
};
#endif
diff --git a/include/linux/i2c/atmel_mxt_ts.h b/include/linux/i2c/atmel_mxt_ts.h
index 99e379b..3891dc1 100644
--- a/include/linux/i2c/atmel_mxt_ts.h
+++ b/include/linux/i2c/atmel_mxt_ts.h
@@ -15,35 +15,14 @@
#include <linux/types.h>
-/* For key_map array */
-#define MXT_NUM_GPIO 4
-
-/* Orient */
-#define MXT_NORMAL 0x0
-#define MXT_DIAGONAL 0x1
-#define MXT_HORIZONTAL_FLIP 0x2
-#define MXT_ROTATED_90_COUNTER 0x3
-#define MXT_VERTICAL_FLIP 0x4
-#define MXT_ROTATED_90 0x5
-#define MXT_ROTATED_180 0x6
-#define MXT_DIAGONAL_COUNTER 0x7
-
/* The platform data for the Atmel maXTouch touchscreen driver */
struct mxt_platform_data {
const u8 *config;
size_t config_length;
-
- unsigned int x_line;
- unsigned int y_line;
- unsigned int x_size;
- unsigned int y_size;
- unsigned int blen;
- unsigned int threshold;
- unsigned int voltage;
- unsigned char orient;
+ u32 config_crc;
unsigned long irqflags;
- bool is_tp;
- const unsigned int key_map[MXT_NUM_GPIO];
+ u8 t19_num_keys;
+ const unsigned int *t19_keymap;
};
#endif /* __LINUX_ATMEL_MXT_TS_H */
diff --git a/include/linux/input-polldev.h b/include/linux/input-polldev.h
index ce0b724..2465182 100644
--- a/include/linux/input-polldev.h
+++ b/include/linux/input-polldev.h
@@ -48,9 +48,12 @@
/* private: */
struct delayed_work work;
+
+ bool devres_managed;
};
struct input_polled_dev *input_allocate_polled_device(void);
+struct input_polled_dev *devm_input_allocate_polled_device(struct device *dev);
void input_free_polled_device(struct input_polled_dev *dev);
int input_register_polled_device(struct input_polled_dev *dev);
void input_unregister_polled_device(struct input_polled_dev *dev);
diff --git a/include/linux/input/pixcir_ts.h b/include/linux/input/pixcir_ts.h
index 7163d91..160cf35 100644
--- a/include/linux/input/pixcir_ts.h
+++ b/include/linux/input/pixcir_ts.h
@@ -1,10 +1,52 @@
#ifndef _PIXCIR_I2C_TS_H
#define _PIXCIR_I2C_TS_H
+/*
+ * Register map
+ */
+#define PIXCIR_REG_POWER_MODE 51
+#define PIXCIR_REG_INT_MODE 52
+
+/*
+ * Power modes:
+ * active: max scan speed
+ * idle: lower scan speed with automatic transition to active on touch
+ * halt: datasheet says sleep but this is more like halt as the chip
+ * clocks are cut and it can only be brought out of this mode
+ * using the RESET pin.
+ */
+enum pixcir_power_mode {
+ PIXCIR_POWER_ACTIVE,
+ PIXCIR_POWER_IDLE,
+ PIXCIR_POWER_HALT,
+};
+
+#define PIXCIR_POWER_MODE_MASK 0x03
+#define PIXCIR_POWER_ALLOW_IDLE (1UL << 2)
+
+/*
+ * Interrupt modes:
+ * periodical: interrupt is asserted periodicaly
+ * diff coordinates: interrupt is asserted when coordinates change
+ * level on touch: interrupt level asserted during touch
+ * pulse on touch: interrupt pulse asserted druing touch
+ *
+ */
+enum pixcir_int_mode {
+ PIXCIR_INT_PERIODICAL,
+ PIXCIR_INT_DIFF_COORD,
+ PIXCIR_INT_LEVEL_TOUCH,
+ PIXCIR_INT_PULSE_TOUCH,
+};
+
+#define PIXCIR_INT_MODE_MASK 0x03
+#define PIXCIR_INT_ENABLE (1UL << 3)
+#define PIXCIR_INT_POL_HIGH (1UL << 2)
+
struct pixcir_ts_platform_data {
- int (*attb_read_val)(void);
int x_max;
int y_max;
+ int gpio_attb; /* GPIO connected to ATTB line */
};
#endif
diff --git a/include/linux/input/touchscreen.h b/include/linux/input/touchscreen.h
new file mode 100644
index 0000000..08a5ef6
--- /dev/null
+++ b/include/linux/input/touchscreen.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014 Sebastian Reichel <sre@kernel.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 published by
+ * the Free Software Foundation.
+ */
+
+#ifndef _TOUCHSCREEN_H
+#define _TOUCHSCREEN_H
+
+#include <linux/input.h>
+
+#ifdef CONFIG_OF
+void touchscreen_parse_of_params(struct input_dev *dev);
+#else
+static inline void touchscreen_parse_of_params(struct input_dev *dev)
+{
+}
+#endif
+
+#endif
diff --git a/include/linux/platform_data/omap4-keypad.h b/include/linux/platform_data/omap4-keypad.h
deleted file mode 100644
index 4eef5fb..0000000
--- a/include/linux/platform_data/omap4-keypad.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef __LINUX_INPUT_OMAP4_KEYPAD_H
-#define __LINUX_INPUT_OMAP4_KEYPAD_H
-
-#include <linux/input/matrix_keypad.h>
-
-struct omap4_keypad_platform_data {
- const struct matrix_keymap_data *keymap_data;
-
- u8 rows;
- u8 cols;
-};
-
-#endif /* __LINUX_INPUT_OMAP4_KEYPAD_H */
