Sync up with Linux 4.2-rc3 to bring in infrastructure (OF) pieces.
- touchscreen-size-x: horizontal resolution of touchscreen (in pixels)
- touchscreen-size-y: vertical resolution of touchscreen (in pixels)
+Optional properties:
+- reset-gpio: GPIO connected to the RESET line of the chip
+
Example:
i2c@00000000 {
<bus_id>,<clkrate>
i8042.debug [HW] Toggle i8042 debug mode
+ i8042.unmask_kbd_data
+ [HW] Enable printing of interrupt data from the KBD port
+ (disabled by default, and as a pre-condition
+ requires that i8042.debug=1 be enabled)
i8042.direct [HW] Put keyboard port into non-translated mode
i8042.dumbkbd [HW] Pretend that controller can only read data from
keyboard and cannot control its state
{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
+ { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
__set_bit(EV_FF, dev->evbit);
/* Copy "true" bits into ff device bitmap */
- for (i = 0; i <= FF_MAX; i++)
- if (test_bit(i, dev->ffbit))
- __set_bit(i, ff->ffbit);
+ for_each_set_bit(i, dev->ffbit, FF_CNT)
+ __set_bit(i, ff->ffbit);
/* we can emulate RUMBLE with periodic effects */
if (test_bit(FF_PERIODIC, ff->ffbit))
joydev->handle.handler = handler;
joydev->handle.private = joydev;
- for (i = 0; i < ABS_CNT; i++)
- if (test_bit(i, dev->absbit)) {
- joydev->absmap[i] = joydev->nabs;
- joydev->abspam[joydev->nabs] = i;
- joydev->nabs++;
- }
+ for_each_set_bit(i, dev->absbit, ABS_CNT) {
+ joydev->absmap[i] = joydev->nabs;
+ joydev->abspam[joydev->nabs] = i;
+ joydev->nabs++;
+ }
for (i = BTN_JOYSTICK - BTN_MISC; i < KEY_MAX - BTN_MISC + 1; i++)
if (test_bit(i + BTN_MISC, dev->keybit)) {
static struct i2c_driver adp5589_driver = {
.driver = {
.name = KBUILD_MODNAME,
- .owner = THIS_MODULE,
.pm = &adp5589_dev_pm_ops,
},
.probe = adp5589_probe,
static struct i2c_driver cap11xx_i2c_driver = {
.driver = {
.name = "cap11xx",
- .owner = THIS_MODULE,
.of_match_table = cap11xx_dt_ids,
},
.id_table = cap11xx_i2c_ids,
static struct i2c_driver lm8333_driver = {
.driver = {
.name = "lm8333",
- .owner = THIS_MODULE,
},
.probe = lm8333_probe,
.remove = lm8333_remove,
static struct i2c_driver mcs_touchkey_driver = {
.driver = {
.name = "mcs_touchkey",
- .owner = THIS_MODULE,
.pm = &mcs_touchkey_pm_ops,
},
.probe = mcs_touchkey_probe,
static struct i2c_driver mpr_touchkey_driver = {
.driver = {
.name = "mpr121",
- .owner = THIS_MODULE,
.pm = &mpr121_touchkey_pm_ops,
},
.id_table = mpr121_id,
static struct i2c_driver qt1070_driver = {
.driver = {
.name = "qt1070",
- .owner = THIS_MODULE,
.pm = &qt1070_pm_ops,
},
.id_table = qt1070_id,
static struct i2c_driver qt2160_driver = {
.driver = {
.name = "qt2160",
- .owner = THIS_MODULE,
},
.id_table = qt2160_idtable,
static struct i2c_driver tca8418_keypad_driver = {
.driver = {
.name = TCA8418_NAME,
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(tca8418_dt_ids),
},
.probe = tca8418_keypad_probe,
static struct i2c_driver adxl34x_driver = {
.driver = {
.name = "adxl34x",
- .owner = THIS_MODULE,
.pm = &adxl34x_i2c_pm,
.of_match_table = of_match_ptr(adxl34x_of_id),
},
y = ((0xc0 & data[2]) >> 6) | (data[3] << 2);
z = ((0xc0 & data[4]) >> 6) | (data[5] << 2);
- /* sign extension */
- x = (s16) (x << 6) >> 6;
- y = (s16) (y << 6) >> 6;
- z = (s16) (z << 6) >> 6;
+ x = sign_extend32(x, 9);
+ y = sign_extend32(y, 9);
+ z = sign_extend32(z, 9);
input_report_abs(bma150->input, ABS_X, x);
input_report_abs(bma150->input, ABS_Y, y);
static struct i2c_driver bma150_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = BMA150_DRIVER,
.pm = &bma150_pm,
},
.id_table = cma3000_i2c_id,
.driver = {
.name = "cma3000_i2c_accl",
- .owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &cma3000_i2c_pm_ops,
#endif
int overdrive_voltage;
};
-static struct reg_default drv260x_reg_defs[] = {
+static const struct reg_default drv260x_reg_defs[] = {
{ DRV260X_STATUS, 0xe0 },
{ DRV260X_MODE, 0x40 },
{ DRV260X_RT_PB_IN, 0x00 },
.probe = drv260x_probe,
.driver = {
.name = "drv260x-haptics",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(drv260x_of_match),
.pm = &drv260x_pm_ops,
},
0x9b, 0x9f, 0xa5, 0xad, 0xb8, 0xc4, 0xd2, 0xe0, 0xf0, 0x00,
};
-static struct reg_default drv2665_reg_defs[] = {
+static const struct reg_default drv2665_reg_defs[] = {
{ DRV2665_STATUS, 0x02 },
{ DRV2665_CTRL_1, 0x28 },
{ DRV2665_CTRL_2, 0x40 },
.probe = drv2665_probe,
.driver = {
.name = "drv2665-haptics",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(drv2665_of_match),
.pm = &drv2665_pm_ops,
},
u32 frequency;
};
-static struct reg_default drv2667_reg_defs[] = {
+static const struct reg_default drv2667_reg_defs[] = {
{ DRV2667_STATUS, 0x02 },
{ DRV2667_CTRL_1, 0x28 },
{ DRV2667_CTRL_2, 0x40 },
.probe = drv2667_probe,
.driver = {
.name = "drv2667-haptics",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(drv2667_of_match),
.pm = &drv2667_pm_ops,
},
static struct i2c_driver gp2a_i2c_driver = {
.driver = {
.name = GP2A_I2C_NAME,
- .owner = THIS_MODULE,
.pm = &gp2a_pm,
},
.probe = gp2a_probe,
static struct i2c_driver kxtj9_driver = {
.driver = {
.name = NAME,
- .owner = THIS_MODULE,
.pm = &kxtj9_pm_ops,
},
.probe = kxtj9_probe,
static struct i2c_driver mpu3050_i2c_driver = {
.driver = {
.name = "mpu3050",
- .owner = THIS_MODULE,
.pm = &mpu3050_pm,
.of_match_table = mpu3050_of_match,
},
static struct i2c_driver pcf8574_kp_driver = {
.driver = {
.name = DRV_NAME,
- .owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &pcf8574_kp_pm_ops,
#endif
* Check if absmin/absmax/absfuzz/absflat are sane.
*/
- for (cnt = 0; cnt < ABS_CNT; cnt++) {
+ for_each_set_bit(cnt, dev->absbit, ABS_CNT) {
int min, max;
- if (!test_bit(cnt, dev->absbit))
- continue;
min = input_abs_get_min(dev, cnt);
max = input_abs_get_max(dev, cnt);
dev->id.product = user_dev->id.product;
dev->id.version = user_dev->id.version;
- for (i = 0; i < ABS_CNT; i++) {
+ for_each_set_bit(i, dev->absbit, ABS_CNT) {
input_abs_set_max(dev, i, user_dev->absmax[i]);
input_abs_set_min(dev, i, user_dev->absmin[i]);
input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]);
static struct i2c_driver cyapa_driver = {
.driver = {
.name = "cyapa",
- .owner = THIS_MODULE,
.pm = &cyapa_pm_ops,
.acpi_match_table = ACPI_PTR(cyapa_acpi_id),
},
#ifdef CONFIG_ACPI
static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN0000", 0 },
+ { "ELAN0600", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, elan_acpi_id);
static struct i2c_driver elan_driver = {
.driver = {
.name = DRIVER_NAME,
- .owner = THIS_MODULE,
.pm = &elan_pm_ops,
.acpi_match_table = ACPI_PTR(elan_acpi_id),
.of_match_table = of_match_ptr(elan_of_match),
static struct i2c_driver synaptics_i2c_driver = {
.driver = {
.name = DRIVER_NAME,
- .owner = THIS_MODULE,
.pm = &synaptics_i2c_pm,
},
return 0;
}
-static int amba_kmi_resume(struct amba_device *dev)
+static int __maybe_unused amba_kmi_resume(struct device *dev)
{
- struct amba_kmi_port *kmi = amba_get_drvdata(dev);
+ struct amba_kmi_port *kmi = dev_get_drvdata(dev);
/* kick the serio layer to rescan this port */
serio_reconnect(kmi->io);
return 0;
}
+static SIMPLE_DEV_PM_OPS(amba_kmi_dev_pm_ops, NULL, amba_kmi_resume);
+
static struct amba_id amba_kmi_idtable[] = {
{
.id = 0x00041050,
.drv = {
.name = "kmi-pl050",
.owner = THIS_MODULE,
+ .pm = &amba_kmi_dev_pm_ops,
},
.id_table = amba_kmi_idtable,
.probe = amba_kmi_probe,
.remove = amba_kmi_remove,
- .resume = amba_kmi_resume,
};
module_amba_driver(ambakmi_driver);
static bool i8042_debug;
module_param_named(debug, i8042_debug, bool, 0600);
MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and off");
+
+static bool i8042_unmask_kbd_data;
+module_param_named(unmask_kbd_data, i8042_unmask_kbd_data, bool, 0600);
+MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive data) of normally sanitize-filtered kbd data traffic debug log [pre-condition: i8042.debug=1 enabled]");
#endif
static bool i8042_bypass_aux_irq_test;
struct serio *serio;
int irq;
bool exists;
+ bool driver_bound;
signed char mux;
};
static bool i8042_aux_irq_registered;
static unsigned char i8042_suppress_kbd_ack;
static struct platform_device *i8042_platform_device;
+static struct notifier_block i8042_kbd_bind_notifier_block;
static irqreturn_t i8042_interrupt(int irq, void *dev_id);
static bool (*i8042_platform_filter)(unsigned char data, unsigned char str,
port = &i8042_ports[port_no];
serio = port->exists ? port->serio : NULL;
- dbg("%02x <- i8042 (interrupt, %d, %d%s%s)\n",
- data, port_no, irq,
- dfl & SERIO_PARITY ? ", bad parity" : "",
- dfl & SERIO_TIMEOUT ? ", timeout" : "");
+ filter_dbg(port->driver_bound, data, "<- i8042 (interrupt, %d, %d%s%s)\n",
+ port_no, irq,
+ dfl & SERIO_PARITY ? ", bad parity" : "",
+ dfl & SERIO_TIMEOUT ? ", timeout" : "");
filtered = i8042_filter(data, str, serio);
return error;
}
+static int i8042_kbd_bind_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct device *dev = data;
+ struct serio *serio = to_serio_port(dev);
+ struct i8042_port *port = serio->port_data;
+
+ if (serio != i8042_ports[I8042_KBD_PORT_NO].serio)
+ return 0;
+
+ switch (action) {
+ case BUS_NOTIFY_BOUND_DRIVER:
+ port->driver_bound = true;
+ break;
+
+ case BUS_NOTIFY_UNBIND_DRIVER:
+ port->driver_bound = false;
+ break;
+ }
+
+ return 0;
+}
+
static int __init i8042_probe(struct platform_device *dev)
{
int error;
.shutdown = i8042_shutdown,
};
+static struct notifier_block i8042_kbd_bind_notifier_block = {
+ .notifier_call = i8042_kbd_bind_notifier,
+};
+
static int __init i8042_init(void)
{
struct platform_device *pdev;
goto err_platform_exit;
}
+ bus_register_notifier(&serio_bus, &i8042_kbd_bind_notifier_block);
panic_blink = i8042_panic_blink;
return 0;
platform_driver_unregister(&i8042_driver);
i8042_platform_exit();
+ bus_unregister_notifier(&serio_bus, &i8042_kbd_bind_notifier_block);
panic_blink = NULL;
}
printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \
(int) (jiffies - i8042_start_time), ##arg); \
} while (0)
+
+#define filter_dbg(filter, data, format, args...) \
+ do { \
+ if (!i8042_debug) \
+ break; \
+ \
+ if (!filter || i8042_unmask_kbd_data) \
+ dbg("%02x " format, data, ##args); \
+ else \
+ dbg("** " format, ##args); \
+ } while (0)
#else
#define dbg_init() do { } while (0)
#define dbg(format, arg...) \
if (0) \
printk(KERN_DEBUG pr_fmt(format), ##arg); \
} while (0)
+
+#define filter_dbg(filter, data, format, args...) do { } while (0)
#endif
#endif /* _I8042_H */
static LIST_HEAD(serio_list);
-static struct bus_type serio_bus;
-
static void serio_add_port(struct serio *serio);
static int serio_reconnect_port(struct serio *serio);
static void serio_disconnect_port(struct serio *serio);
}
EXPORT_SYMBOL(serio_interrupt);
-static struct bus_type serio_bus = {
+struct bus_type serio_bus = {
.name = "serio",
.drv_groups = serio_driver_groups,
.match = serio_bus_match,
.pm = &serio_pm_ops,
#endif
};
+EXPORT_SYMBOL(serio_bus);
static int __init serio_init(void)
{
if INPUT_TOUCHSCREEN
-config OF_TOUCHSCREEN
+config TOUCHSCREEN_PROPERTIES
def_tristate INPUT
- depends on INPUT && OF
+ depends on INPUT
config TOUCHSCREEN_88PM860X
tristate "Marvell 88PM860x touchscreen"
wm97xx-ts-y := wm97xx-core.o
-obj-$(CONFIG_OF_TOUCHSCREEN) += of_touchscreen.o
+obj-$(CONFIG_TOUCHSCREEN_PROPERTIES) += of_touchscreen.o
obj-$(CONFIG_TOUCHSCREEN_88PM860X) += 88pm860x-ts.o
obj-$(CONFIG_TOUCHSCREEN_AD7877) += ad7877.o
obj-$(CONFIG_TOUCHSCREEN_AD7879) += ad7879.o
static struct i2c_driver ad7879_i2c_driver = {
.driver = {
.name = "ad7879",
- .owner = THIS_MODULE,
.pm = &ad7879_pm_ops,
},
.probe = ad7879_i2c_probe,
static struct i2c_driver ar1021_i2c_driver = {
.driver = {
.name = "ar1021_i2c",
- .owner = THIS_MODULE,
.pm = &ar1021_i2c_pm,
.of_match_table = ar1021_i2c_of_match,
},
static struct i2c_driver mxt_driver = {
.driver = {
.name = "atmel_mxt_ts",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(mxt_of_match),
.acpi_match_table = ACPI_PTR(mxt_acpi_id),
.pm = &mxt_pm_ops,
static struct i2c_driver auo_pixcir_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "auo_pixcir_ts",
.pm = &auo_pixcir_pm_ops,
.of_match_table = of_match_ptr(auo_pixcir_ts_dt_idtable),
static struct i2c_driver bu21013_driver = {
.driver = {
.name = DRIVER_TP,
- .owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &bu21013_dev_pm_ops,
#endif
static struct i2c_driver icn8318_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "chipone_icn8318",
.pm = &icn8318_pm_ops,
.of_match_table = icn8318_of_match,
static struct i2c_driver cy8ctmg110_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = CY8CTMG110_DRIVER_NAME,
.pm = &cy8ctmg110_pm,
},
static struct i2c_driver cyttsp4_i2c_driver = {
.driver = {
.name = CYTTSP4_I2C_NAME,
- .owner = THIS_MODULE,
.pm = &cyttsp4_pm_ops,
},
.probe = cyttsp4_i2c_probe,
static struct i2c_driver cyttsp_i2c_driver = {
.driver = {
.name = CY_I2C_NAME,
- .owner = THIS_MODULE,
.pm = &cyttsp_pm_ops,
},
.probe = cyttsp_i2c_probe,
0, tsdata->num_y * 64 - 1, 0, 0);
if (!pdata)
- touchscreen_parse_of_params(input, true);
+ touchscreen_parse_properties(input, true);
error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, INPUT_MT_DIRECT);
if (error) {
static struct i2c_driver edt_ft5x06_ts_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "edt_ft5x06",
.of_match_table = of_match_ptr(edt_ft5x06_of_match),
.pm = &edt_ft5x06_ts_pm_ops,
static struct i2c_driver egalax_ts_driver = {
.driver = {
.name = "egalax_ts",
- .owner = THIS_MODULE,
.pm = &egalax_ts_pm_ops,
.of_match_table = egalax_ts_dt_ids,
},
.id_table = elants_i2c_id,
.driver = {
.name = DEVICE_NAME,
- .owner = THIS_MODULE,
.pm = &elants_i2c_pm_ops,
.acpi_match_table = ACPI_PTR(elants_acpi_id),
.of_match_table = of_match_ptr(elants_of_match),
.id_table = goodix_ts_id,
.driver = {
.name = "Goodix-TS",
- .owner = THIS_MODULE,
.acpi_match_table = ACPI_PTR(goodix_acpi_match),
.of_match_table = of_match_ptr(goodix_of_match),
},
static struct i2c_driver ili210x_ts_driver = {
.driver = {
.name = "ili210x_i2c",
- .owner = THIS_MODULE,
.pm = &ili210x_i2c_pm,
},
.id_table = ili210x_i2c_id,
static struct i2c_driver max11801_ts_driver = {
.driver = {
.name = "max11801_ts",
- .owner = THIS_MODULE,
},
.id_table = max11801_ts_id,
.probe = max11801_ts_probe,
static struct i2c_driver mms114_driver = {
.driver = {
.name = "mms114",
- .owner = THIS_MODULE,
.pm = &mms114_pm_ops,
.of_match_table = of_match_ptr(mms114_dt_match),
},
*
*/
-#include <linux/of.h>
+#include <linux/property.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/input/touchscreen.h>
-static bool touchscreen_get_prop_u32(struct device_node *np,
+static bool touchscreen_get_prop_u32(struct device *dev,
const char *property,
unsigned int default_value,
unsigned int *value)
u32 val;
int error;
- error = of_property_read_u32(np, property, &val);
+ error = device_property_read_u32(dev, property, &val);
if (error) {
*value = default_value;
return false;
struct input_absinfo *absinfo;
if (!test_bit(axis, dev->absbit)) {
- /*
- * Emit a warning only if the axis is not a multitouch
- * axis, which might not be set by the driver.
- */
- if (!input_is_mt_axis(axis))
- dev_warn(&dev->dev,
- "DT specifies parameters but the axis is not set up\n");
+ dev_warn(&dev->dev,
+ "DT specifies parameters but the axis %lu is not set up\n",
+ axis);
return;
}
}
/**
- * touchscreen_parse_of_params - parse common touchscreen DT properties
- * @dev: device that should be parsed
+ * touchscreen_parse_properties - parse common touchscreen DT properties
+ * @input: input device that should be parsed
+ * @multitouch: specifies whether parsed properties should be applied to
+ * single-touch or multi-touch axes
*
* This function parses common DT properties for touchscreens and setups the
- * input device accordingly. The function keeps previously setuped default
+ * input device accordingly. The function keeps previously set up default
* values if no value is specified via DT.
*/
-void touchscreen_parse_of_params(struct input_dev *dev, bool multitouch)
+void touchscreen_parse_properties(struct input_dev *input, bool multitouch)
{
- struct device_node *np = dev->dev.parent->of_node;
+ struct device *dev = input->dev.parent;
unsigned int axis;
unsigned int maximum, fuzz;
bool data_present;
- input_alloc_absinfo(dev);
- if (!dev->absinfo)
+ input_alloc_absinfo(input);
+ if (!input->absinfo)
return;
axis = multitouch ? ABS_MT_POSITION_X : ABS_X;
- data_present = touchscreen_get_prop_u32(np, "touchscreen-size-x",
- input_abs_get_max(dev, axis),
+ data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-x",
+ input_abs_get_max(input,
+ axis) + 1,
&maximum) |
- touchscreen_get_prop_u32(np, "touchscreen-fuzz-x",
- input_abs_get_fuzz(dev, axis),
+ touchscreen_get_prop_u32(dev, "touchscreen-fuzz-x",
+ input_abs_get_fuzz(input, axis),
&fuzz);
if (data_present)
- touchscreen_set_params(dev, axis, maximum, fuzz);
+ touchscreen_set_params(input, axis, maximum - 1, fuzz);
axis = multitouch ? ABS_MT_POSITION_Y : ABS_Y;
- data_present = touchscreen_get_prop_u32(np, "touchscreen-size-y",
- input_abs_get_max(dev, axis),
+ data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-y",
+ input_abs_get_max(input,
+ axis) + 1,
&maximum) |
- touchscreen_get_prop_u32(np, "touchscreen-fuzz-y",
- input_abs_get_fuzz(dev, axis),
+ touchscreen_get_prop_u32(dev, "touchscreen-fuzz-y",
+ input_abs_get_fuzz(input, axis),
&fuzz);
if (data_present)
- touchscreen_set_params(dev, axis, maximum, fuzz);
+ touchscreen_set_params(input, axis, maximum - 1, fuzz);
axis = multitouch ? ABS_MT_PRESSURE : ABS_PRESSURE;
- data_present = touchscreen_get_prop_u32(np, "touchscreen-max-pressure",
- input_abs_get_max(dev, axis),
+ data_present = touchscreen_get_prop_u32(dev,
+ "touchscreen-max-pressure",
+ input_abs_get_max(input, axis),
&maximum) |
- touchscreen_get_prop_u32(np, "touchscreen-fuzz-pressure",
- input_abs_get_fuzz(dev, axis),
+ touchscreen_get_prop_u32(dev,
+ "touchscreen-fuzz-pressure",
+ input_abs_get_fuzz(input, axis),
&fuzz);
if (data_present)
- touchscreen_set_params(dev, axis, maximum, fuzz);
+ touchscreen_set_params(input, axis, maximum, fuzz);
}
-EXPORT_SYMBOL(touchscreen_parse_of_params);
+EXPORT_SYMBOL(touchscreen_parse_properties);
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/mt.h>
-#include <linux/input/pixcir_ts.h>
+#include <linux/input/touchscreen.h>
#include <linux/gpio.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
+/*#include <linux/of.h>*/
#include <linux/of_device.h>
+#include <linux/platform_data/pixcir_i2c_ts.h>
#define PIXCIR_MAX_SLOTS 5 /* Max fingers supported by driver */
struct pixcir_i2c_ts_data {
struct i2c_client *client;
struct input_dev *input;
- const struct pixcir_ts_platform_data *pdata;
- bool running;
+ struct gpio_desc *gpio_attb;
+ struct gpio_desc *gpio_reset;
+ const struct pixcir_i2c_chip_data *chip;
int max_fingers; /* Max fingers supported in this instance */
+ bool running;
};
struct pixcir_touch {
u8 touch;
int ret, i;
int readsize;
- const struct pixcir_i2c_chip_data *chip = &tsdata->pdata->chip;
+ const struct pixcir_i2c_chip_data *chip = tsdata->chip;
memset(report, 0, sizeof(struct pixcir_report_data));
struct pixcir_touch *touch;
int n, i, slot;
struct device *dev = &ts->client->dev;
- const struct pixcir_i2c_chip_data *chip = &ts->pdata->chip;
+ const struct pixcir_i2c_chip_data *chip = ts->chip;
n = report->num_touches;
if (n > PIXCIR_MAX_SLOTS)
n = PIXCIR_MAX_SLOTS;
- if (!chip->has_hw_ids) {
+ if (!ts->chip->has_hw_ids) {
for (i = 0; i < n; i++) {
touch = &report->touches[i];
pos[i].x = touch->x;
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->pdata;
struct pixcir_report_data report;
while (tsdata->running) {
/* report it */
pixcir_ts_report(tsdata, &report);
- if (gpio_get_value(pdata->gpio_attb)) {
+ if (gpiod_get_value_cansleep(tsdata->gpio_attb)) {
if (report.num_touches) {
/*
* Last report with no finger up?
return IRQ_HANDLED;
}
+static void pixcir_reset(struct pixcir_i2c_ts_data *tsdata)
+{
+ if (!IS_ERR_OR_NULL(tsdata->gpio_reset)) {
+ gpiod_set_value_cansleep(tsdata->gpio_reset, 1);
+ ndelay(100); /* datasheet section 1.2.3 says 80ns min. */
+ gpiod_set_value_cansleep(tsdata->gpio_reset, 0);
+ /* wait for controller ready. 100ms guess. */
+ msleep(100);
+ }
+}
+
static int pixcir_set_power_mode(struct pixcir_i2c_ts_data *ts,
enum pixcir_power_mode mode)
{
#ifdef CONFIG_OF
static const struct of_device_id pixcir_of_match[];
-static struct pixcir_ts_platform_data *pixcir_parse_dt(struct device *dev)
+static int pixcir_parse_dt(struct device *dev,
+ struct pixcir_i2c_ts_data *tsdata)
{
- struct pixcir_ts_platform_data *pdata;
- struct device_node *np = dev->of_node;
const struct of_device_id *match;
match = of_match_device(of_match_ptr(pixcir_of_match), dev);
if (!match)
- return ERR_PTR(-EINVAL);
-
- pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return ERR_PTR(-ENOMEM);
-
- pdata->chip = *(const struct pixcir_i2c_chip_data *)match->data;
-
- pdata->gpio_attb = of_get_named_gpio(np, "attb-gpio", 0);
- /* gpio_attb validity is checked in probe */
-
- if (of_property_read_u32(np, "touchscreen-size-x", &pdata->x_max)) {
- dev_err(dev, "Failed to get touchscreen-size-x property\n");
- return ERR_PTR(-EINVAL);
- }
- pdata->x_max -= 1;
-
- if (of_property_read_u32(np, "touchscreen-size-y", &pdata->y_max)) {
- dev_err(dev, "Failed to get touchscreen-size-y property\n");
- return ERR_PTR(-EINVAL);
- }
- pdata->y_max -= 1;
+ return -EINVAL;
- dev_dbg(dev, "%s: x %d, y %d, gpio %d\n", __func__,
- pdata->x_max + 1, pdata->y_max + 1, pdata->gpio_attb);
+ tsdata->chip = (const struct pixcir_i2c_chip_data *)match->data;
+ if (!tsdata->chip)
+ return -EINVAL;
- return pdata;
+ return 0;
}
#else
-static struct pixcir_ts_platform_data *pixcir_parse_dt(struct device *dev)
+static int pixcir_parse_dt(struct device *dev,
+ struct pixcir_i2c_ts_data *tsdata)
{
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
#endif
static int pixcir_i2c_ts_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+ const struct i2c_device_id *id)
{
const struct pixcir_ts_platform_data *pdata =
dev_get_platdata(&client->dev);
struct device *dev = &client->dev;
- struct device_node *np = dev->of_node;
struct pixcir_i2c_ts_data *tsdata;
struct input_dev *input;
int error;
- if (np && !pdata) {
- pdata = pixcir_parse_dt(dev);
- if (IS_ERR(pdata))
- return PTR_ERR(pdata);
- }
+ tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL);
+ if (!tsdata)
+ return -ENOMEM;
- if (!pdata) {
+ if (pdata) {
+ tsdata->chip = &pdata->chip;
+ } else if (dev->of_node) {
+ error = pixcir_parse_dt(dev, tsdata);
+ if (error)
+ return error;
+ } else {
dev_err(&client->dev, "platform data not defined\n");
return -EINVAL;
}
- if (!gpio_is_valid(pdata->gpio_attb)) {
- dev_err(dev, "Invalid gpio_attb in pdata\n");
+ if (!tsdata->chip->max_fingers) {
+ dev_err(dev, "Invalid max_fingers in chip data\n");
return -EINVAL;
}
- if (!pdata->chip.max_fingers) {
- dev_err(dev, "Invalid max_fingers 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");
tsdata->client = client;
tsdata->input = input;
- tsdata->pdata = pdata;
input->name = client->name;
input->id.bustype = BUS_I2C;
input->close = pixcir_input_close;
input->dev.parent = &client->dev;
- __set_bit(EV_KEY, input->evbit);
- __set_bit(EV_ABS, input->evbit);
- __set_bit(BTN_TOUCH, input->keybit);
- input_set_abs_params(input, ABS_X, 0, pdata->x_max, 0, 0);
- input_set_abs_params(input, ABS_Y, 0, pdata->y_max, 0, 0);
- input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0);
- input_set_abs_params(input, ABS_MT_POSITION_Y, 0, pdata->y_max, 0, 0);
+ if (pdata) {
+ input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y, 0, pdata->y_max, 0, 0);
+ } else {
+ input_set_capability(input, EV_ABS, ABS_MT_POSITION_X);
+ input_set_capability(input, EV_ABS, ABS_MT_POSITION_Y);
+ touchscreen_parse_properties(input, true);
+ if (!input_abs_get_max(input, ABS_MT_POSITION_X) ||
+ !input_abs_get_max(input, ABS_MT_POSITION_Y)) {
+ dev_err(dev, "Touchscreen size is not specified\n");
+ return -EINVAL;
+ }
+ }
- tsdata->max_fingers = tsdata->pdata->chip.max_fingers;
+ tsdata->max_fingers = tsdata->chip->max_fingers;
if (tsdata->max_fingers > PIXCIR_MAX_SLOTS) {
tsdata->max_fingers = PIXCIR_MAX_SLOTS;
dev_info(dev, "Limiting maximum fingers to %d\n",
input_set_drvdata(input, tsdata);
- error = devm_gpio_request_one(dev, pdata->gpio_attb,
- GPIOF_DIR_IN, "pixcir_i2c_attb");
- if (error) {
- dev_err(dev, "Failed to request ATTB gpio\n");
+ tsdata->gpio_attb = devm_gpiod_get(dev, "attb", GPIOD_IN);
+ if (IS_ERR(tsdata->gpio_attb)) {
+ error = PTR_ERR(tsdata->gpio_attb);
+ dev_err(dev, "Failed to request ATTB gpio: %d\n", error);
+ return error;
+ }
+
+ tsdata->gpio_reset = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(tsdata->gpio_reset)) {
+ error = PTR_ERR(tsdata->gpio_reset);
+ dev_err(dev, "Failed to request RESET gpio: %d\n", error);
return error;
}
return error;
}
+ pixcir_reset(tsdata);
+
/* Always be in IDLE mode to save power, device supports auto wake */
error = pixcir_set_power_mode(tsdata, PIXCIR_POWER_IDLE);
if (error) {
static struct i2c_driver pixcir_i2c_ts_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "pixcir_ts",
.pm = &pixcir_dev_pm_ops,
.of_match_table = of_match_ptr(pixcir_of_match),
.id_table = st1232_ts_id,
.driver = {
.name = ST1232_TS_NAME,
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(st1232_ts_dt_ids),
.pm = &st1232_ts_pm_ops,
},
input_set_abs_params(input_dev, ABS_PRESSURE, 0, max_p, fudge_p, 0);
if (np)
- touchscreen_parse_of_params(input_dev, false);
+ touchscreen_parse_properties(input_dev, false);
input_dev->open = tsc2005_open;
input_dev->close = tsc2005_close;
static struct i2c_driver tsc2007_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "tsc2007",
.of_match_table = of_match_ptr(tsc2007_of_match),
},
static struct i2c_driver wacom_i2c_driver = {
.driver = {
.name = "wacom_i2c",
- .owner = THIS_MODULE,
.pm = &wacom_i2c_pm,
},
#include <asm/unaligned.h>
#define WDT87XX_NAME "wdt87xx_i2c"
-#define WDT87XX_DRV_VER "0.9.6"
+#define WDT87XX_DRV_VER "0.9.7"
#define WDT87XX_FW_NAME "wdt87xx_fw.bin"
#define WDT87XX_CFG_NAME "wdt87xx_cfg.bin"
#define CTL_PARAM_OFFSET_PHY_H 24
#define CTL_PARAM_OFFSET_FACTOR 32
+/* The definition of the device descriptor */
+#define WDT_GD_DEVICE 1
+#define DEV_DESC_OFFSET_VID 8
+#define DEV_DESC_OFFSET_PID 10
+
/* Communication commands */
#define PACKET_SIZE 56
#define VND_REQ_READ 0x06
/* Controller requires minimum 300us between commands */
#define WDT_COMMAND_DELAY_MS 2
#define WDT_FLASH_WRITE_DELAY_MS 4
+#define WDT_FW_RESET_TIME 2500
struct wdt87xx_sys_param {
u16 fw_id;
u16 scaling_factor;
u32 max_x;
u32 max_y;
+ u16 vendor_id;
+ u16 product_id;
};
struct wdt87xx_data {
return 0;
}
+static int wdt87xx_get_desc(struct i2c_client *client, u8 desc_idx,
+ u8 *buf, size_t len)
+{
+ u8 tx_buf[] = { 0x22, 0x00, 0x10, 0x0E, 0x23, 0x00 };
+ int error;
+
+ tx_buf[2] |= desc_idx & 0xF;
+
+ error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf),
+ buf, len);
+ if (error) {
+ dev_err(&client->dev, "get desc failed: %d\n", error);
+ return error;
+ }
+
+ if (buf[0] != len) {
+ dev_err(&client->dev, "unexpected response to get desc: %d\n",
+ buf[0]);
+ return -EINVAL;
+ }
+
+ mdelay(WDT_COMMAND_DELAY_MS);
+
+ return 0;
+}
+
static int wdt87xx_get_string(struct i2c_client *client, u8 str_idx,
u8 *buf, size_t len)
{
}
/* Wait the device to be ready */
- msleep(200);
+ msleep(WDT_FW_RESET_TIME);
return 0;
}
u8 buf[PKT_READ_SIZE];
int error;
+ error = wdt87xx_get_desc(client, WDT_GD_DEVICE, buf, 18);
+ if (error) {
+ dev_err(&client->dev, "failed to get device desc\n");
+ return error;
+ }
+
+ param->vendor_id = get_unaligned_le16(buf + DEV_DESC_OFFSET_VID);
+ param->product_id = get_unaligned_le16(buf + DEV_DESC_OFFSET_PID);
+
error = wdt87xx_get_string(client, STRIDX_PARAMETERS, buf, 34);
if (error) {
dev_err(&client->dev, "failed to get parameters\n");
input->name = "WDT87xx Touchscreen";
input->id.bustype = BUS_I2C;
+ input->id.vendor = wdt->param.vendor_id;
+ input->id.product = wdt->param.product_id;
input->phys = wdt->phys;
input_set_abs_params(input, ABS_MT_POSITION_X, 0,
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/input/mt.h>
#include <linux/platform_data/zforce_ts.h>
#include <linux/regulator/consumer.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#define WAIT_TIMEOUT msecs_to_jiffies(1000)
struct regulator *reg_vdd;
+ struct gpio_desc *gpio_int;
+ struct gpio_desc *gpio_rst;
+
bool suspending;
bool suspended;
bool boot_complete;
return 0;
}
+static void zforce_reset_assert(struct zforce_ts *ts)
+{
+ gpiod_set_value_cansleep(ts->gpio_rst, 1);
+}
+
+static void zforce_reset_deassert(struct zforce_ts *ts)
+{
+ gpiod_set_value_cansleep(ts->gpio_rst, 0);
+}
+
static int zforce_send_wait(struct zforce_ts *ts, const char *buf, int len)
{
struct i2c_client *client = ts->client;
{
struct zforce_ts *ts = dev_id;
struct i2c_client *client = ts->client;
- const struct zforce_ts_platdata *pdata = ts->pdata;
int ret;
u8 payload_buffer[FRAME_MAXSIZE];
u8 *payload;
if (!ts->suspending && device_may_wakeup(&client->dev))
pm_stay_awake(&client->dev);
- while (!gpio_get_value(pdata->gpio_int)) {
+ while (gpiod_get_value_cansleep(ts->gpio_int)) {
ret = zforce_read_packet(ts, payload_buffer);
if (ret < 0) {
dev_err(&client->dev,
{
struct zforce_ts *ts = data;
- gpio_set_value(ts->pdata->gpio_rst, 0);
+ zforce_reset_assert(ts);
udelay(10);
return ERR_PTR(-ENOMEM);
}
- pdata->gpio_int = of_get_gpio(np, 0);
- if (!gpio_is_valid(pdata->gpio_int)) {
- dev_err(dev, "failed to get interrupt gpio\n");
- return ERR_PTR(-EINVAL);
- }
-
- pdata->gpio_rst = of_get_gpio(np, 1);
- if (!gpio_is_valid(pdata->gpio_rst)) {
- dev_err(dev, "failed to get reset gpio\n");
- return ERR_PTR(-EINVAL);
- }
-
if (of_property_read_u32(np, "x-size", &pdata->x_max)) {
dev_err(dev, "failed to get x-size property\n");
return ERR_PTR(-EINVAL);
if (!ts)
return -ENOMEM;
- ret = devm_gpio_request_one(&client->dev, pdata->gpio_int, GPIOF_IN,
- "zforce_ts_int");
- if (ret) {
- dev_err(&client->dev, "request of gpio %d failed, %d\n",
- pdata->gpio_int, ret);
+ /* INT GPIO */
+ ts->gpio_int = devm_gpiod_get_index(&client->dev, NULL, 0, GPIOD_IN);
+ if (IS_ERR(ts->gpio_int)) {
+ ret = PTR_ERR(ts->gpio_int);
+ dev_err(&client->dev,
+ "failed to request interrupt GPIO: %d\n", ret);
return ret;
}
- ret = devm_gpio_request_one(&client->dev, pdata->gpio_rst,
- GPIOF_OUT_INIT_LOW, "zforce_ts_rst");
- if (ret) {
- dev_err(&client->dev, "request of gpio %d failed, %d\n",
- pdata->gpio_rst, ret);
+ /* RST GPIO */
+ ts->gpio_rst = devm_gpiod_get_index(&client->dev, NULL, 1,
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(ts->gpio_rst)) {
+ ret = PTR_ERR(ts->gpio_rst);
+ dev_err(&client->dev,
+ "failed to request reset GPIO: %d\n", ret);
return ret;
}
i2c_set_clientdata(client, ts);
/* let the controller boot */
- gpio_set_value(pdata->gpio_rst, 1);
+ zforce_reset_deassert(ts);
ts->command_waiting = NOTIFICATION_BOOTCOMPLETE;
if (wait_for_completion_timeout(&ts->command_done, WAIT_TIMEOUT) == 0)
static struct i2c_driver zforce_driver = {
.driver = {
- .owner = THIS_MODULE,
.name = "zforce-ts",
.pm = &zforce_pm_ops,
.of_match_table = of_match_ptr(zforce_dt_idtable),
+++ /dev/null
-#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_irc_chip_data - chip related data
- * @max_fingers: Max number of fingers reported simultaneously by h/w
- * @has_hw_ids: Hardware supports finger tracking IDs
- *
- */
-struct pixcir_i2c_chip_data {
- u8 max_fingers;
- bool has_hw_ids;
-};
-
-struct pixcir_ts_platform_data {
- int x_max;
- int y_max;
- int gpio_attb; /* GPIO connected to ATTB line */
- struct pixcir_i2c_chip_data chip;
-};
-
-#endif
#ifndef _TOUCHSCREEN_H
#define _TOUCHSCREEN_H
-#include <linux/input.h>
+struct input_dev;
-#ifdef CONFIG_OF
-void touchscreen_parse_of_params(struct input_dev *dev, bool multitouch);
-#else
-static inline void touchscreen_parse_of_params(struct input_dev *dev,
- bool multitouch)
-{
-}
-#endif
+void touchscreen_parse_properties(struct input_dev *dev, bool multitouch);
#endif
--- /dev/null
+#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_irc_chip_data - chip related data
+ * @max_fingers: Max number of fingers reported simultaneously by h/w
+ * @has_hw_ids: Hardware supports finger tracking IDs
+ *
+ */
+struct pixcir_i2c_chip_data {
+ u8 max_fingers;
+ bool has_hw_ids;
+};
+
+struct pixcir_ts_platform_data {
+ int x_max;
+ int y_max;
+ struct pixcir_i2c_chip_data chip;
+};
+
+#endif
#define _LINUX_INPUT_ZFORCE_TS_H
struct zforce_ts_platdata {
- int gpio_int;
- int gpio_rst;
-
unsigned int x_max;
unsigned int y_max;
};
#include <linux/mod_devicetable.h>
#include <uapi/linux/serio.h>
+extern struct bus_type serio_bus;
+
struct serio {
void *port_data;
projects / cascardo / linux.git / commitdiff